From 6bc9a3966f0395419b09b2ec90f89f7f00341b37 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Fri, 12 Jun 2009 22:01:00 +0800
Subject: [PATCH 001/742] score: Add support for Sunplus S+core architecture
This is the complete set of new arch Score's files for linux.
Score instruction set support 16bits, 32bits and 64bits instruction,
Score SOC had been used in game machine and LCD TV.
Signed-off-by: Chen Liqin <liqin.chen@sunplusct.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/Kconfig | 141 ++++
arch/score/Kconfig.debug | 37 ++
arch/score/Makefile | 43 ++
arch/score/boot/Makefile | 15 +
arch/score/configs/spct6600_defconfig | 717 +++++++++++++++++++++
arch/score/include/asm/Kbuild | 3 +
arch/score/include/asm/asmmacro.h | 161 +++++
arch/score/include/asm/atomic.h | 6 +
arch/score/include/asm/auxvec.h | 4 +
arch/score/include/asm/bitops.h | 16 +
arch/score/include/asm/bitsperlong.h | 6 +
arch/score/include/asm/bug.h | 6 +
arch/score/include/asm/bugs.h | 6 +
arch/score/include/asm/byteorder.h | 6 +
arch/score/include/asm/cache.h | 7 +
arch/score/include/asm/cacheflush.h | 47 ++
arch/score/include/asm/checksum.h | 235 +++++++
arch/score/include/asm/cputime.h | 6 +
arch/score/include/asm/current.h | 6 +
arch/score/include/asm/delay.h | 21 +
arch/score/include/asm/device.h | 6 +
arch/score/include/asm/div64.h | 6 +
arch/score/include/asm/dma-mapping.h | 6 +
arch/score/include/asm/dma.h | 8 +
arch/score/include/asm/elf.h | 99 +++
arch/score/include/asm/emergency-restart.h | 6 +
arch/score/include/asm/errno.h | 7 +
arch/score/include/asm/fcntl.h | 6 +
arch/score/include/asm/fixmap.h | 82 +++
arch/score/include/asm/ftrace.h | 4 +
arch/score/include/asm/futex.h | 6 +
arch/score/include/asm/hardirq.h | 6 +
arch/score/include/asm/hw_irq.h | 4 +
arch/score/include/asm/io.h | 9 +
arch/score/include/asm/ioctl.h | 6 +
arch/score/include/asm/ioctls.h | 6 +
arch/score/include/asm/ipcbuf.h | 6 +
arch/score/include/asm/irq.h | 33 +
arch/score/include/asm/irq_regs.h | 6 +
arch/score/include/asm/irqflags.h | 111 ++++
arch/score/include/asm/kdebug.h | 6 +
arch/score/include/asm/kmap_types.h | 6 +
arch/score/include/asm/linkage.h | 4 +
arch/score/include/asm/local.h | 6 +
arch/score/include/asm/mman.h | 6 +
arch/score/include/asm/mmu.h | 6 +
arch/score/include/asm/mmu_context.h | 113 ++++
arch/score/include/asm/module.h | 39 ++
arch/score/include/asm/msgbuf.h | 6 +
arch/score/include/asm/mutex.h | 6 +
arch/score/include/asm/page.h | 92 +++
arch/score/include/asm/param.h | 6 +
arch/score/include/asm/pci.h | 4 +
arch/score/include/asm/percpu.h | 6 +
arch/score/include/asm/pgalloc.h | 83 +++
arch/score/include/asm/pgtable-bits.h | 23 +
arch/score/include/asm/pgtable.h | 267 ++++++++
arch/score/include/asm/poll.h | 6 +
arch/score/include/asm/posix_types.h | 6 +
arch/score/include/asm/processor.h | 106 +++
arch/score/include/asm/ptrace.h | 87 +++
arch/score/include/asm/resource.h | 6 +
arch/score/include/asm/scatterlist.h | 6 +
arch/score/include/asm/scoreregs.h | 51 ++
arch/score/include/asm/sections.h | 6 +
arch/score/include/asm/segment.h | 21 +
arch/score/include/asm/sembuf.h | 6 +
arch/score/include/asm/setup.h | 40 ++
arch/score/include/asm/shmbuf.h | 6 +
arch/score/include/asm/shmparam.h | 6 +
arch/score/include/asm/sigcontext.h | 22 +
arch/score/include/asm/siginfo.h | 6 +
arch/score/include/asm/signal.h | 6 +
arch/score/include/asm/socket.h | 6 +
arch/score/include/asm/sockios.h | 6 +
arch/score/include/asm/stat.h | 6 +
arch/score/include/asm/statfs.h | 6 +
arch/score/include/asm/string.h | 8 +
arch/score/include/asm/swab.h | 6 +
arch/score/include/asm/syscalls.h | 9 +
arch/score/include/asm/system.h | 90 +++
arch/score/include/asm/termbits.h | 6 +
arch/score/include/asm/termios.h | 6 +
arch/score/include/asm/thread_info.h | 103 +++
arch/score/include/asm/timex.h | 8 +
arch/score/include/asm/tlb.h | 17 +
arch/score/include/asm/tlbflush.h | 142 ++++
arch/score/include/asm/topology.h | 6 +
arch/score/include/asm/types.h | 6 +
arch/score/include/asm/uaccess.h | 27 +
arch/score/include/asm/unaligned.h | 6 +
arch/score/include/asm/unistd.h | 8 +
arch/score/include/asm/user.h | 4 +
arch/score/kernel/Makefile | 10 +
arch/score/kernel/asm-offsets.c | 216 +++++++
arch/score/kernel/entry.S | 542 ++++++++++++++++
arch/score/kernel/head.S | 70 ++
arch/score/kernel/init_task.c | 49 ++
arch/score/kernel/irq.c | 135 ++++
arch/score/kernel/module.c | 164 +++++
arch/score/kernel/process.c | 165 +++++
arch/score/kernel/ptrace.c | 465 +++++++++++++
arch/score/kernel/setup.c | 157 +++++
arch/score/kernel/signal.c | 355 ++++++++++
arch/score/kernel/sys_score.c | 147 +++++
arch/score/kernel/time.c | 99 +++
arch/score/kernel/traps.c | 349 ++++++++++
arch/score/kernel/vmlinux.lds.S | 148 +++++
arch/score/lib/Makefile | 8 +
arch/score/lib/ashldi3.c | 46 ++
arch/score/lib/ashrdi3.c | 48 ++
arch/score/lib/checksum.S | 255 ++++++++
arch/score/lib/checksum_copy.c | 52 ++
arch/score/lib/cmpdi2.c | 44 ++
arch/score/lib/libgcc.h | 37 ++
arch/score/lib/lshrdi3.c | 47 ++
arch/score/lib/string.S | 196 ++++++
arch/score/lib/ucmpdi2.c | 38 ++
arch/score/mm/Makefile | 6 +
arch/score/mm/cache.c | 308 +++++++++
arch/score/mm/extable.c | 38 ++
arch/score/mm/fault.c | 235 +++++++
arch/score/mm/init.c | 173 +++++
arch/score/mm/pgtable.c | 60 ++
arch/score/mm/tlb-miss.S | 199 ++++++
arch/score/mm/tlb-score.c | 251 ++++++++
126 files changed, 8566 insertions(+)
create mode 100644 arch/score/Kconfig
create mode 100644 arch/score/Kconfig.debug
create mode 100644 arch/score/Makefile
create mode 100644 arch/score/boot/Makefile
create mode 100644 arch/score/configs/spct6600_defconfig
create mode 100644 arch/score/include/asm/Kbuild
create mode 100644 arch/score/include/asm/asmmacro.h
create mode 100644 arch/score/include/asm/atomic.h
create mode 100644 arch/score/include/asm/auxvec.h
create mode 100644 arch/score/include/asm/bitops.h
create mode 100644 arch/score/include/asm/bitsperlong.h
create mode 100644 arch/score/include/asm/bug.h
create mode 100644 arch/score/include/asm/bugs.h
create mode 100644 arch/score/include/asm/byteorder.h
create mode 100644 arch/score/include/asm/cache.h
create mode 100644 arch/score/include/asm/cacheflush.h
create mode 100644 arch/score/include/asm/checksum.h
create mode 100644 arch/score/include/asm/cputime.h
create mode 100644 arch/score/include/asm/current.h
create mode 100644 arch/score/include/asm/delay.h
create mode 100644 arch/score/include/asm/device.h
create mode 100644 arch/score/include/asm/div64.h
create mode 100644 arch/score/include/asm/dma-mapping.h
create mode 100644 arch/score/include/asm/dma.h
create mode 100644 arch/score/include/asm/elf.h
create mode 100644 arch/score/include/asm/emergency-restart.h
create mode 100644 arch/score/include/asm/errno.h
create mode 100644 arch/score/include/asm/fcntl.h
create mode 100644 arch/score/include/asm/fixmap.h
create mode 100644 arch/score/include/asm/ftrace.h
create mode 100644 arch/score/include/asm/futex.h
create mode 100644 arch/score/include/asm/hardirq.h
create mode 100644 arch/score/include/asm/hw_irq.h
create mode 100644 arch/score/include/asm/io.h
create mode 100644 arch/score/include/asm/ioctl.h
create mode 100644 arch/score/include/asm/ioctls.h
create mode 100644 arch/score/include/asm/ipcbuf.h
create mode 100644 arch/score/include/asm/irq.h
create mode 100644 arch/score/include/asm/irq_regs.h
create mode 100644 arch/score/include/asm/irqflags.h
create mode 100644 arch/score/include/asm/kdebug.h
create mode 100644 arch/score/include/asm/kmap_types.h
create mode 100644 arch/score/include/asm/linkage.h
create mode 100644 arch/score/include/asm/local.h
create mode 100644 arch/score/include/asm/mman.h
create mode 100644 arch/score/include/asm/mmu.h
create mode 100644 arch/score/include/asm/mmu_context.h
create mode 100644 arch/score/include/asm/module.h
create mode 100644 arch/score/include/asm/msgbuf.h
create mode 100644 arch/score/include/asm/mutex.h
create mode 100644 arch/score/include/asm/page.h
create mode 100644 arch/score/include/asm/param.h
create mode 100644 arch/score/include/asm/pci.h
create mode 100644 arch/score/include/asm/percpu.h
create mode 100644 arch/score/include/asm/pgalloc.h
create mode 100644 arch/score/include/asm/pgtable-bits.h
create mode 100644 arch/score/include/asm/pgtable.h
create mode 100644 arch/score/include/asm/poll.h
create mode 100644 arch/score/include/asm/posix_types.h
create mode 100644 arch/score/include/asm/processor.h
create mode 100644 arch/score/include/asm/ptrace.h
create mode 100644 arch/score/include/asm/resource.h
create mode 100644 arch/score/include/asm/scatterlist.h
create mode 100644 arch/score/include/asm/scoreregs.h
create mode 100644 arch/score/include/asm/sections.h
create mode 100644 arch/score/include/asm/segment.h
create mode 100644 arch/score/include/asm/sembuf.h
create mode 100644 arch/score/include/asm/setup.h
create mode 100644 arch/score/include/asm/shmbuf.h
create mode 100644 arch/score/include/asm/shmparam.h
create mode 100644 arch/score/include/asm/sigcontext.h
create mode 100644 arch/score/include/asm/siginfo.h
create mode 100644 arch/score/include/asm/signal.h
create mode 100644 arch/score/include/asm/socket.h
create mode 100644 arch/score/include/asm/sockios.h
create mode 100644 arch/score/include/asm/stat.h
create mode 100644 arch/score/include/asm/statfs.h
create mode 100644 arch/score/include/asm/string.h
create mode 100644 arch/score/include/asm/swab.h
create mode 100644 arch/score/include/asm/syscalls.h
create mode 100644 arch/score/include/asm/system.h
create mode 100644 arch/score/include/asm/termbits.h
create mode 100644 arch/score/include/asm/termios.h
create mode 100644 arch/score/include/asm/thread_info.h
create mode 100644 arch/score/include/asm/timex.h
create mode 100644 arch/score/include/asm/tlb.h
create mode 100644 arch/score/include/asm/tlbflush.h
create mode 100644 arch/score/include/asm/topology.h
create mode 100644 arch/score/include/asm/types.h
create mode 100644 arch/score/include/asm/uaccess.h
create mode 100644 arch/score/include/asm/unaligned.h
create mode 100644 arch/score/include/asm/unistd.h
create mode 100644 arch/score/include/asm/user.h
create mode 100644 arch/score/kernel/Makefile
create mode 100644 arch/score/kernel/asm-offsets.c
create mode 100644 arch/score/kernel/entry.S
create mode 100644 arch/score/kernel/head.S
create mode 100644 arch/score/kernel/init_task.c
create mode 100644 arch/score/kernel/irq.c
create mode 100644 arch/score/kernel/module.c
create mode 100644 arch/score/kernel/process.c
create mode 100644 arch/score/kernel/ptrace.c
create mode 100644 arch/score/kernel/setup.c
create mode 100644 arch/score/kernel/signal.c
create mode 100644 arch/score/kernel/sys_score.c
create mode 100644 arch/score/kernel/time.c
create mode 100644 arch/score/kernel/traps.c
create mode 100644 arch/score/kernel/vmlinux.lds.S
create mode 100644 arch/score/lib/Makefile
create mode 100644 arch/score/lib/ashldi3.c
create mode 100644 arch/score/lib/ashrdi3.c
create mode 100644 arch/score/lib/checksum.S
create mode 100644 arch/score/lib/checksum_copy.c
create mode 100644 arch/score/lib/cmpdi2.c
create mode 100644 arch/score/lib/libgcc.h
create mode 100644 arch/score/lib/lshrdi3.c
create mode 100644 arch/score/lib/string.S
create mode 100644 arch/score/lib/ucmpdi2.c
create mode 100644 arch/score/mm/Makefile
create mode 100644 arch/score/mm/cache.c
create mode 100644 arch/score/mm/extable.c
create mode 100644 arch/score/mm/fault.c
create mode 100644 arch/score/mm/init.c
create mode 100644 arch/score/mm/pgtable.c
create mode 100644 arch/score/mm/tlb-miss.S
create mode 100644 arch/score/mm/tlb-score.c
diff --git a/arch/score/Kconfig b/arch/score/Kconfig
new file mode 100644
index 000000000000..55d413e6dcf2
--- /dev/null
+++ b/arch/score/Kconfig
@@ -0,0 +1,141 @@
+# For a description of the syntax of this configuration file,
+# see Documentation/kbuild/kconfig-language.txt.
+
+mainmenu "Linux/SCORE Kernel Configuration"
+
+menu "Machine selection"
+
+choice
+ prompt "System type"
+ default MACH_SPCT6600
+
+config ARCH_SCORE7
+ bool "SCORE7 processor"
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select CPU_SCORE7
+ select GENERIC_HAS_IOMAP
+
+config MACH_SPCT6600
+ bool "SPCT6600 series based machines"
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select CPU_SCORE7
+ select GENERIC_HAS_IOMAP
+
+config SCORE_SIM
+ bool "Score simulator"
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select CPU_SCORE7
+ select GENERIC_HAS_IOMAP
+endchoice
+
+endmenu
+
+config CPU_SCORE7
+ bool
+
+config GENERIC_IOMAP
+ def_bool y
+
+config NO_DMA
+ bool
+ default y
+
+config RWSEM_GENERIC_SPINLOCK
+ def_bool y
+
+config GENERIC_FIND_NEXT_BIT
+ def_bool y
+
+config GENERIC_HWEIGHT
+ def_bool y
+
+config GENERIC_CALIBRATE_DELAY
+ def_bool y
+
+config GENERIC_CLOCKEVENTS
+ def_bool y
+
+config GENERIC_TIME
+ def_bool y
+
+config SCHED_NO_NO_OMIT_FRAME_POINTER
+ def_bool y
+
+config GENERIC_HARDIRQS_NO__DO_IRQ
+ def_bool y
+
+config GENERIC_SYSCALL_TABLE
+ def_bool y
+
+config SCORE_L1_CACHE_SHIFT
+ int
+ default "4"
+
+menu "Kernel type"
+
+config 32BIT
+ def_bool y
+
+config GENERIC_HARDIRQS
+ def_bool y
+
+config ARCH_FLATMEM_ENABLE
+ def_bool y
+
+config ARCH_POPULATES_NODE_MAP
+ def_bool y
+
+source "mm/Kconfig"
+
+config MEMORY_START
+ hex
+ default 0xa0000000
+
+source "kernel/time/Kconfig"
+source "kernel/Kconfig.hz"
+source "kernel/Kconfig.preempt"
+
+endmenu
+
+config RWSEM_GENERIC_SPINLOCK
+ def_bool y
+
+config LOCKDEP_SUPPORT
+ def_bool y
+
+config STACKTRACE_SUPPORT
+ def_bool y
+
+source "init/Kconfig"
+
+config PROBE_INITRD_HEADER
+ bool "Probe initrd header created by addinitrd"
+ depends on BLK_DEV_INITRD
+ help
+ Probe initrd header at the last page of kernel image.
+ Say Y here if you are using arch/score/boot/addinitrd.c to
+ add initrd or initramfs image to the kernel image.
+ Otherwise, say N.
+
+config MMU
+ def_bool y
+
+menu "Executable file formats"
+
+source "fs/Kconfig.binfmt"
+
+endmenu
+
+source "net/Kconfig"
+
+source "drivers/Kconfig"
+
+source "fs/Kconfig"
+
+source "arch/score/Kconfig.debug"
+
+source "security/Kconfig"
+
+source "crypto/Kconfig"
+
+source "lib/Kconfig"
diff --git a/arch/score/Kconfig.debug b/arch/score/Kconfig.debug
new file mode 100644
index 000000000000..451ed54ce646
--- /dev/null
+++ b/arch/score/Kconfig.debug
@@ -0,0 +1,37 @@
+menu "Kernel hacking"
+
+config TRACE_IRQFLAGS_SUPPORT
+ bool
+ default y
+
+source "lib/Kconfig.debug"
+
+config CMDLINE
+ string "Default kernel command string"
+ default ""
+ help
+ On some platforms, there is currently no way for the boot loader to
+ pass arguments to the kernel. For these platforms, you can supply
+ some command-line options at build time by entering them here. In
+ other cases you can specify kernel args so that you don't have
+ to set them up in board prom initialization routines.
+
+config DEBUG_STACK_USAGE
+ bool "Enable stack utilization instrumentation"
+ depends on DEBUG_KERNEL
+ help
+ Enables the display of the minimum amount of free stack which each
+ task has ever had available in the sysrq-T and sysrq-P debug output.
+
+ This option will slow down process creation somewhat.
+
+config RUNTIME_DEBUG
+ bool "Enable run-time debugging"
+ depends on DEBUG_KERNEL
+ help
+ If you say Y here, some debugging macros will do run-time checking.
+ If you say N here, those macros will mostly turn to no-ops. See
+ include/asm-score/debug.h for debuging macros.
+ If unsure, say N.
+
+endmenu
diff --git a/arch/score/Makefile b/arch/score/Makefile
new file mode 100644
index 000000000000..68e0cd06d5c9
--- /dev/null
+++ b/arch/score/Makefile
@@ -0,0 +1,43 @@
+#
+# arch/score/Makefile
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+
+KBUILD_DEFCONFIG := spct6600_defconfig
+CROSS_COMPILE := score-linux-
+
+#
+# CPU-dependent compiler/assembler options for optimization.
+#
+cflags-y += -G0 -pipe -mel -mnhwloop -D__SCOREEL__ \
+ -D__linux__ -ffunction-sections -ffreestanding
+
+#
+# Board-dependent options and extra files
+#
+KBUILD_AFLAGS += $(cflags-y)
+KBUILD_CFLAGS += $(cflags-y)
+MODFLAGS += -mlong-calls
+LDFLAGS += --oformat elf32-littlescore
+LDFLAGS_vmlinux += -G0 -static -nostdlib
+
+head-y := arch/score/kernel/head.o
+libs-y += arch/score/lib/
+core-y += arch/score/kernel/ arch/score/mm/
+
+boot := arch/score/boot
+
+vmlinux.bin: vmlinux
+ $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+
+archclean:
+ @$(MAKE) $(clean)=$(boot)
+
+define archhelp
+ echo ' vmlinux.bin - Raw binary boot image'
+ echo
+ echo ' These will be default as apropriate for a configured platform.'
+endef
diff --git a/arch/score/boot/Makefile b/arch/score/boot/Makefile
new file mode 100644
index 000000000000..0c5fbd0fb696
--- /dev/null
+++ b/arch/score/boot/Makefile
@@ -0,0 +1,15 @@
+#
+# arch/score/boot/Makefile
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+
+targets := vmlinux.bin
+
+$(obj)/vmlinux.bin: vmlinux FORCE
+ $(call if_changed,objcopy)
+ @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
+
+clean-files += vmlinux.bin
diff --git a/arch/score/configs/spct6600_defconfig b/arch/score/configs/spct6600_defconfig
new file mode 100644
index 000000000000..e064943b13d4
--- /dev/null
+++ b/arch/score/configs/spct6600_defconfig
@@ -0,0 +1,717 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.30-rc5
+# Fri Jun 12 18:57:07 2009
+#
+
+#
+# Machine selection
+#
+# CONFIG_ARCH_SCORE7 is not set
+CONFIG_MACH_SPCT6600=y
+# CONFIG_SCORE_SIM is not set
+CONFIG_CPU_SCORE7=y
+CONFIG_GENERIC_IOMAP=y
+CONFIG_NO_DMA=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_TIME=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_GENERIC_SYSCALL_TABLE=y
+CONFIG_SCORE_L1_CACHE_SHIFT=4
+
+#
+# Kernel type
+#
+CONFIG_32BIT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+CONFIG_UNEVICTABLE_LRU=y
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_MEMORY_START=0xa0000000
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_HZ_100=y
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=100
+# CONFIG_SCHED_HRTICK is not set
+# CONFIG_PREEMPT_NONE is not set
+CONFIG_PREEMPT_VOLUNTARY=y
+# CONFIG_PREEMPT is not set
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_POSIX_MQUEUE_SYSCTL=y
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=12
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_SYSCTL_SYSCALL=y
+# CONFIG_KALLSYMS is not set
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_HOTPLUG is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+# CONFIG_SLOW_WORK is not set
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+CONFIG_MODULE_FORCE_LOAD=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+CONFIG_LBD=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_PROBE_INITRD_HEADER is not set
+CONFIG_MMU=y
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
+CONFIG_BINFMT_MISC=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+# CONFIG_PACKET is not set
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_NET_KEY=y
+# CONFIG_NET_KEY_MIGRATE is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_PNP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+CONFIG_ARPD=y
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETLABEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+# CONFIG_STANDALONE is not set
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_CRYPTOLOOP=y
+# CONFIG_BLK_DEV_NBD is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=1
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MISC_DEVICES is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+CONFIG_COMPAT_NET_DEV_OPS=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_NET_ETHERNET is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+CONFIG_SERIAL_NONSTANDARD=y
+# CONFIG_N_HDLC is not set
+# CONFIG_RISCOM8 is not set
+# CONFIG_SPECIALIX is not set
+# CONFIG_RIO is not set
+CONFIG_STALDRV=y
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_RTC is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_R3964 is not set
+CONFIG_RAW_DRIVER=y
+CONFIG_MAX_RAW_DEVS=8192
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_REGULATOR is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_RTC_CLASS is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+# CONFIG_EXT2_FS_SECURITY is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+# CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT4_FS is not set
+CONFIG_JBD=y
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+CONFIG_AUTOFS_FS=y
+CONFIG_AUTOFS4_FS=y
+# CONFIG_FUSE_FS is not set
+CONFIG_GENERIC_ACL=y
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+# CONFIG_PROC_PAGE_MONITOR is not set
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_ECRYPT_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+CONFIG_NFSD=y
+CONFIG_NFSD_V2_ACL=y
+CONFIG_NFSD_V3=y
+CONFIG_NFSD_V3_ACL=y
+CONFIG_NFSD_V4=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_TRACING_SUPPORT=y
+
+#
+# Tracers
+#
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_EVENT_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_TRACE_BRANCH_PROFILING is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_CMDLINE=""
+
+#
+# Security options
+#
+CONFIG_KEYS=y
+CONFIG_KEYS_DEBUG_PROC_KEYS=y
+CONFIG_SECURITY=y
+# CONFIG_SECURITYFS is not set
+CONFIG_SECURITY_NETWORK=y
+# CONFIG_SECURITY_NETWORK_XFRM is not set
+# CONFIG_SECURITY_PATH is not set
+CONFIG_SECURITY_FILE_CAPABILITIES=y
+CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0
+# CONFIG_SECURITY_TOMOYO is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_AEAD2=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
+# CONFIG_CRYPTO_GF128MUL is not set
+CONFIG_CRYPTO_NULL=y
+CONFIG_CRYPTO_WORKQUEUE=y
+CONFIG_CRYPTO_CRYPTD=y
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+CONFIG_CRYPTO_SEQIV=y
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=y
+CONFIG_CRYPTO_MD4=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_MICHAEL_MIC=y
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+# CONFIG_CRYPTO_HW is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=y
+CONFIG_CRC16=y
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+CONFIG_LIBCRC32C=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_NLATTR=y
diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild
new file mode 100644
index 000000000000..b367abd4620f
--- /dev/null
+++ b/arch/score/include/asm/Kbuild
@@ -0,0 +1,3 @@
+include include/asm-generic/Kbuild.asm
+
+header-y +=
diff --git a/arch/score/include/asm/asmmacro.h b/arch/score/include/asm/asmmacro.h
new file mode 100644
index 000000000000..a04a54cea25d
--- /dev/null
+++ b/arch/score/include/asm/asmmacro.h
@@ -0,0 +1,161 @@
+#ifndef _ASM_SCORE_ASMMACRO_H
+#define _ASM_SCORE_ASMMACRO_H
+
+#include <asm/asm-offsets.h>
+
+#ifdef __ASSEMBLY__
+
+.macro SAVE_ALL
+ mfcr r30, cr0
+ mv r31, r0
+ nop
+ /* if UMs == 1, change stack. */
+ slli.c r30, r30, 28
+ bpl 1f
+ la r31, kernelsp
+ lw r31, [r31]
+1:
+ mv r30, r0
+ addri r0, r31, -PT_SIZE
+
+ sw r30, [r0, PT_R0]
+ .set r1
+ sw r1, [r0, PT_R1]
+ .set nor1
+ sw r2, [r0, PT_R2]
+ sw r3, [r0, PT_R3]
+ sw r4, [r0, PT_R4]
+ sw r5, [r0, PT_R5]
+ sw r6, [r0, PT_R6]
+ sw r7, [r0, PT_R7]
+
+ sw r8, [r0, PT_R8]
+ sw r9, [r0, PT_R9]
+ sw r10, [r0, PT_R10]
+ sw r11, [r0, PT_R11]
+ sw r12, [r0, PT_R12]
+ sw r13, [r0, PT_R13]
+ sw r14, [r0, PT_R14]
+ sw r15, [r0, PT_R15]
+
+ sw r16, [r0, PT_R16]
+ sw r17, [r0, PT_R17]
+ sw r18, [r0, PT_R18]
+ sw r19, [r0, PT_R19]
+ sw r20, [r0, PT_R20]
+ sw r21, [r0, PT_R21]
+ sw r22, [r0, PT_R22]
+ sw r23, [r0, PT_R23]
+
+ sw r24, [r0, PT_R24]
+ sw r25, [r0, PT_R25]
+ sw r25, [r0, PT_R25]
+ sw r26, [r0, PT_R26]
+ sw r27, [r0, PT_R27]
+
+ sw r28, [r0, PT_R28]
+ sw r29, [r0, PT_R29]
+ orri r28, r0, 0x1fff
+ li r31, 0x00001fff
+ xor r28, r28, r31
+
+ mfcehl r30, r31
+ sw r30, [r0, PT_CEH]
+ sw r31, [r0, PT_CEL]
+
+ mfcr r31, cr0
+ sw r31, [r0, PT_PSR]
+
+ mfcr r31, cr1
+ sw r31, [r0, PT_CONDITION]
+
+ mfcr r31, cr2
+ sw r31, [r0, PT_ECR]
+
+ mfcr r31, cr5
+ srli r31, r31, 1
+ slli r31, r31, 1
+ sw r31, [r0, PT_EPC]
+.endm
+
+.macro RESTORE_ALL_AND_RET
+ mfcr r30, cr0
+ srli r30, r30, 1
+ slli r30, r30, 1
+ mtcr r30, cr0
+ nop
+ nop
+ nop
+ nop
+ nop
+
+ .set r1
+ ldis r1, 0x00ff
+ and r30, r30, r1
+ not r1, r1
+ lw r31, [r0, PT_PSR]
+ and r31, r31, r1
+ .set nor1
+ or r31, r31, r30
+ mtcr r31, cr0
+ nop
+ nop
+ nop
+ nop
+ nop
+
+ lw r30, [r0, PT_CONDITION]
+ mtcr r30, cr1
+ nop
+ nop
+ nop
+ nop
+ nop
+
+ lw r30, [r0, PT_CEH]
+ lw r31, [r0, PT_CEL]
+ mtcehl r30, r31
+
+ .set r1
+ lw r1, [r0, PT_R1]
+ .set nor1
+ lw r2, [r0, PT_R2]
+ lw r3, [r0, PT_R3]
+ lw r4, [r0, PT_R4]
+ lw r5, [r0, PT_R5]
+ lw r6, [r0, PT_R6]
+ lw r7, [r0, PT_R7]
+
+ lw r8, [r0, PT_R8]
+ lw r9, [r0, PT_R9]
+ lw r10, [r0, PT_R10]
+ lw r11, [r0, PT_R11]
+ lw r12, [r0, PT_R12]
+ lw r13, [r0, PT_R13]
+ lw r14, [r0, PT_R14]
+ lw r15, [r0, PT_R15]
+
+ lw r16, [r0, PT_R16]
+ lw r17, [r0, PT_R17]
+ lw r18, [r0, PT_R18]
+ lw r19, [r0, PT_R19]
+ lw r20, [r0, PT_R20]
+ lw r21, [r0, PT_R21]
+ lw r22, [r0, PT_R22]
+ lw r23, [r0, PT_R23]
+
+ lw r24, [r0, PT_R24]
+ lw r25, [r0, PT_R25]
+ lw r26, [r0, PT_R26]
+ lw r27, [r0, PT_R27]
+ lw r28, [r0, PT_R28]
+ lw r29, [r0, PT_R29]
+
+ lw r30, [r0, PT_EPC]
+ lw r0, [r0, PT_R0]
+ mtcr r30, cr5
+ rte
+.endm
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_SCORE_ASMMACRO_H */
diff --git a/arch/score/include/asm/atomic.h b/arch/score/include/asm/atomic.h
new file mode 100644
index 000000000000..84eb8ddf9f3f
--- /dev/null
+++ b/arch/score/include/asm/atomic.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_ATOMIC_H
+#define _ASM_SCORE_ATOMIC_H
+
+#include <asm-generic/atomic.h>
+
+#endif /* _ASM_SCORE_ATOMIC_H */
diff --git a/arch/score/include/asm/auxvec.h b/arch/score/include/asm/auxvec.h
new file mode 100644
index 000000000000..f69151565aee
--- /dev/null
+++ b/arch/score/include/asm/auxvec.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_AUXVEC_H
+#define _ASM_SCORE_AUXVEC_H
+
+#endif /* _ASM_SCORE_AUXVEC_H */
diff --git a/arch/score/include/asm/bitops.h b/arch/score/include/asm/bitops.h
new file mode 100644
index 000000000000..2763b050fca8
--- /dev/null
+++ b/arch/score/include/asm/bitops.h
@@ -0,0 +1,16 @@
+#ifndef _ASM_SCORE_BITOPS_H
+#define _ASM_SCORE_BITOPS_H
+
+#include <asm/byteorder.h> /* swab32 */
+#include <asm/system.h> /* save_flags */
+
+/*
+ * clear_bit() doesn't provide any barrier for the compiler.
+ */
+#define smp_mb__before_clear_bit() barrier()
+#define smp_mb__after_clear_bit() barrier()
+
+#include <asm-generic/bitops.h>
+#include <asm-generic/bitops/__fls.h>
+
+#endif /* _ASM_SCORE_BITOPS_H */
diff --git a/arch/score/include/asm/bitsperlong.h b/arch/score/include/asm/bitsperlong.h
new file mode 100644
index 000000000000..86ff337aa459
--- /dev/null
+++ b/arch/score/include/asm/bitsperlong.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_BITSPERLONG_H
+#define _ASM_SCORE_BITSPERLONG_H
+
+#include <asm-generic/bitsperlong.h>
+
+#endif /* _ASM_SCORE_BITSPERLONG_H */
diff --git a/arch/score/include/asm/bug.h b/arch/score/include/asm/bug.h
new file mode 100644
index 000000000000..bb76a330bcf1
--- /dev/null
+++ b/arch/score/include/asm/bug.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_BUG_H
+#define _ASM_SCORE_BUG_H
+
+#include <asm-generic/bug.h>
+
+#endif /* _ASM_SCORE_BUG_H */
diff --git a/arch/score/include/asm/bugs.h b/arch/score/include/asm/bugs.h
new file mode 100644
index 000000000000..a062e1056bb3
--- /dev/null
+++ b/arch/score/include/asm/bugs.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_BUGS_H
+#define _ASM_SCORE_BUGS_H
+
+#include <asm-generic/bugs.h>
+
+#endif /* _ASM_SCORE_BUGS_H */
diff --git a/arch/score/include/asm/byteorder.h b/arch/score/include/asm/byteorder.h
new file mode 100644
index 000000000000..88cbebc79212
--- /dev/null
+++ b/arch/score/include/asm/byteorder.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_BYTEORDER_H
+#define _ASM_SCORE_BYTEORDER_H
+
+#include <linux/byteorder/little_endian.h>
+
+#endif /* _ASM_SCORE_BYTEORDER_H */
diff --git a/arch/score/include/asm/cache.h b/arch/score/include/asm/cache.h
new file mode 100644
index 000000000000..ae3d59f2d2c4
--- /dev/null
+++ b/arch/score/include/asm/cache.h
@@ -0,0 +1,7 @@
+#ifndef _ASM_SCORE_CACHE_H
+#define _ASM_SCORE_CACHE_H
+
+#define L1_CACHE_SHIFT 4
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+
+#endif /* _ASM_SCORE_CACHE_H */
diff --git a/arch/score/include/asm/cacheflush.h b/arch/score/include/asm/cacheflush.h
new file mode 100644
index 000000000000..1c74628caf71
--- /dev/null
+++ b/arch/score/include/asm/cacheflush.h
@@ -0,0 +1,47 @@
+#ifndef _ASM_SCORE_CACHEFLUSH_H
+#define _ASM_SCORE_CACHEFLUSH_H
+
+/* Keep includes the same across arches. */
+#include <linux/mm.h>
+
+extern void (*flush_cache_all)(void);
+extern void (*flush_cache_mm)(struct mm_struct *mm);
+extern void (*flush_cache_range)(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end);
+extern void (*flush_cache_page)(struct vm_area_struct *vma,
+ unsigned long page, unsigned long pfn);
+extern void (*flush_cache_sigtramp)(unsigned long addr);
+extern void (*flush_icache_all)(void);
+extern void (*flush_icache_range)(unsigned long start, unsigned long end);
+extern void (*flush_data_cache_page)(unsigned long addr);
+
+extern void s7_flush_cache_all(void);
+
+#define flush_cache_dup_mm(mm) do {} while (0)
+#define flush_dcache_page(page) do {} while (0)
+#define flush_dcache_mmap_lock(mapping) do {} while (0)
+#define flush_dcache_mmap_unlock(mapping) do {} while (0)
+#define flush_cache_vmap(start, end) do {} while (0)
+#define flush_cache_vunmap(start, end) do {} while (0)
+
+static inline void flush_icache_page(struct vm_area_struct *vma,
+ struct page *page)
+{
+ if (vma->vm_flags & VM_EXEC) {
+ void *v = page_address(page);
+ flush_icache_range((unsigned long) v,
+ (unsigned long) v + PAGE_SIZE);
+ }
+}
+
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+ memcpy(dst, src, len)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+ do { \
+ memcpy(dst, src, len); \
+ if ((vma->vm_flags & VM_EXEC)) \
+ flush_cache_page(vma, vaddr, page_to_pfn(page));\
+ } while (0)
+
+#endif /* _ASM_SCORE_CACHEFLUSH_H */
diff --git a/arch/score/include/asm/checksum.h b/arch/score/include/asm/checksum.h
new file mode 100644
index 000000000000..f909ac3144a4
--- /dev/null
+++ b/arch/score/include/asm/checksum.h
@@ -0,0 +1,235 @@
+#ifndef _ASM_SCORE_CHECKSUM_H
+#define _ASM_SCORE_CHECKSUM_H
+
+#include <linux/in6.h>
+#include <asm/uaccess.h>
+
+/*
+ * computes the checksum of a memory block at buff, length len,
+ * and adds in "sum" (32-bit)
+ *
+ * returns a 32-bit number suitable for feeding into itself
+ * or csum_tcpudp_magic
+ *
+ * this function must be called with even lengths, except
+ * for the last fragment, which may be odd
+ *
+ * it's best to have buff aligned on a 32-bit boundary
+ */
+unsigned int csum_partial(const void *buff, int len, __wsum sum);
+unsigned int csum_partial_copy_from_user(const char *src, char *dst, int len,
+ unsigned int sum, int *csum_err);
+unsigned int csum_partial_copy(const char *src, char *dst,
+ int len, unsigned int sum);
+
+/*
+ * this is a new version of the above that records errors it finds in *errp,
+ * but continues and zeros the rest of the buffer.
+ */
+
+/*
+ * Copy and checksum to user
+ */
+#define HAVE_CSUM_COPY_USER
+static inline
+__wsum csum_and_copy_to_user(const void *src, void __user *dst, int len,
+ __wsum sum, int *err_ptr)
+{
+ sum = csum_partial(src, len, sum);
+ if (copy_to_user(dst, src, len)) {
+ *err_ptr = -EFAULT;
+ return (__force __wsum) -1; /* invalid checksum */
+ }
+ return sum;
+}
+
+
+#define csum_partial_copy_nocheck csum_partial_copy
+/*
+ * Fold a partial checksum without adding pseudo headers
+ */
+
+static inline __sum16 csum_fold(__wsum sum)
+{
+ /* the while loop is unnecessary really, it's always enough with two
+ iterations */
+ __asm__ __volatile__(
+ ".set volatile\n\t"
+ ".set\tr1\n\t"
+ "slli\tr1,%0, 16\n\t"
+ "add\t%0,%0, r1\n\t"
+ "cmp.c\tr1, %0\n\t"
+ "srli\t%0, %0, 16\n\t"
+ "bleu\t1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:ldi\tr30, 0xffff\n\t"
+ "xor\t%0, %0, r30\n\t"
+ "slli\t%0, %0, 16\n\t"
+ "srli\t%0, %0, 16\n\t"
+ ".set\tnor1\n\t"
+ ".set optimize\n\t"
+ : "=r" (sum)
+ : "0" (sum));
+ return sum;
+}
+
+/*
+ * This is a version of ip_compute_csum() optimized for IP headers,
+ * which always checksum on 4 octet boundaries.
+ *
+ * By Jorge Cwik <jorge@laser.satlink.net>, adapted for linux by
+ * Arnt Gulbrandsen.
+ */
+static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
+{
+ unsigned int sum;
+ unsigned long dummy;
+
+ __asm__ __volatile__(
+ ".set volatile\n\t"
+ ".set\tnor1\n\t"
+ "lw\t%0, [%1]\n\t"
+ "subri\t%2, %2, 4\n\t"
+ "slli\t%2, %2, 2\n\t"
+ "lw\t%3, [%1, 4]\n\t"
+ "add\t%2, %2, %1\n\t"
+ "add\t%0, %0, %3\n\t"
+ "cmp.c\t%3, %0\n\t"
+ "lw\t%3, [%1, 8]\n\t"
+ "bleu\t1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:\n\t"
+ "add\t%0, %0, %3\n\t"
+ "cmp.c\t%3, %0\n\t"
+ "lw\t%3, [%1, 12]\n\t"
+ "bleu\t1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:add\t%0, %0, %3\n\t"
+ "cmp.c\t%3, %0\n\t"
+ "bleu\t1f\n\t"
+ "addi\t%0, 0x1\n"
+
+ "1:\tlw\t%3, [%1, 16]\n\t"
+ "addi\t%1, 4\n\t"
+ "add\t%0, %0, %3\n\t"
+ "cmp.c\t%3, %0\n\t"
+ "bleu\t2f\n\t"
+ "addi\t%0, 0x1\n"
+ "2:cmp.c\t%2, %1\n\t"
+ "bne\t1b\n\t"
+
+ ".set\tr1\n\t"
+ ".set optimize\n\t"
+ : "=&r" (sum), "=&r" (iph), "=&r" (ihl), "=&r" (dummy)
+ : "1" (iph), "2" (ihl));
+
+ return csum_fold(sum);
+}
+
+static inline __wsum
+csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
+ unsigned short proto, __wsum sum)
+{
+ unsigned long tmp = (ntohs(len) << 16) + proto * 256;
+ __asm__ __volatile__(
+ ".set volatile\n\t"
+ "add\t%0, %0, %2\n\t"
+ "cmp.c\t%2, %0\n\t"
+ "bleu\t1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:\n\t"
+ "add\t%0, %0, %3\n\t"
+ "cmp.c\t%3, %0\n\t"
+ "bleu\t1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:\n\t"
+ "add\t%0, %0, %4\n\t"
+ "cmp.c\t%4, %0\n\t"
+ "bleu\t1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:\n\t"
+ ".set optimize\n\t"
+ : "=r" (sum)
+ : "0" (daddr), "r"(saddr),
+ "r" (tmp),
+ "r" (sum));
+ return sum;
+}
+
+/*
+ * computes the checksum of the TCP/UDP pseudo-header
+ * returns a 16-bit checksum, already complemented
+ */
+static inline __sum16
+csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len,
+ unsigned short proto, __wsum sum)
+{
+ return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
+}
+
+/*
+ * this routine is used for miscellaneous IP-like checksums, mainly
+ * in icmp.c
+ */
+
+static inline unsigned short ip_compute_csum(const void *buff, int len)
+{
+ return csum_fold(csum_partial(buff, len, 0));
+}
+
+#define _HAVE_ARCH_IPV6_CSUM
+static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
+ const struct in6_addr *daddr,
+ __u32 len, unsigned short proto,
+ __wsum sum)
+{
+ __asm__ __volatile__(
+ ".set\tnoreorder\t\t\t# csum_ipv6_magic\n\t"
+ ".set\tnoat\n\t"
+ "addu\t%0, %5\t\t\t# proto (long in network byte order)\n\t"
+ "sltu\t$1, %0, %5\n\t"
+ "addu\t%0, $1\n\t"
+ "addu\t%0, %6\t\t\t# csum\n\t"
+ "sltu\t$1, %0, %6\n\t"
+ "lw\t%1, 0(%2)\t\t\t# four words source address\n\t"
+ "addu\t%0, $1\n\t"
+ "addu\t%0, %1\n\t"
+ "sltu\t$1, %0, %1\n\t"
+ "lw\t%1, 4(%2)\n\t"
+ "addu\t%0, $1\n\t"
+ "addu\t%0, %1\n\t"
+ "sltu\t$1, %0, %1\n\t"
+ "lw\t%1, 8(%2)\n\t"
+ "addu\t%0, $1\n\t"
+ "addu\t%0, %1\n\t"
+ "sltu\t$1, %0, %1\n\t"
+ "lw\t%1, 12(%2)\n\t"
+ "addu\t%0, $1\n\t"
+ "addu\t%0, %1\n\t"
+ "sltu\t$1, %0, %1\n\t"
+ "lw\t%1, 0(%3)\n\t"
+ "addu\t%0, $1\n\t"
+ "addu\t%0, %1\n\t"
+ "sltu\t$1, %0, %1\n\t"
+ "lw\t%1, 4(%3)\n\t"
+ "addu\t%0, $1\n\t"
+ "addu\t%0, %1\n\t"
+ "sltu\t$1, %0, %1\n\t"
+ "lw\t%1, 8(%3)\n\t"
+ "addu\t%0, $1\n\t"
+ "addu\t%0, %1\n\t"
+ "sltu\t$1, %0, %1\n\t"
+ "lw\t%1, 12(%3)\n\t"
+ "addu\t%0, $1\n\t"
+ "addu\t%0, %1\n\t"
+ "sltu\t$1, %0, %1\n\t"
+ "addu\t%0, $1\t\t\t# Add final carry\n\t"
+ ".set\tnoat\n\t"
+ ".set\tnoreorder"
+ : "=r" (sum), "=r" (proto)
+ : "r" (saddr), "r" (daddr),
+ "0" (htonl(len)), "1" (htonl(proto)), "r" (sum));
+
+ return csum_fold(sum);
+}
+#endif /* _ASM_SCORE_CHECKSUM_H */
diff --git a/arch/score/include/asm/cputime.h b/arch/score/include/asm/cputime.h
new file mode 100644
index 000000000000..1fced99f0d67
--- /dev/null
+++ b/arch/score/include/asm/cputime.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_CPUTIME_H
+#define _ASM_SCORE_CPUTIME_H
+
+#include <asm-generic/cputime.h>
+
+#endif /* _ASM_SCORE_CPUTIME_H */
diff --git a/arch/score/include/asm/current.h b/arch/score/include/asm/current.h
new file mode 100644
index 000000000000..16eae9cbaf1a
--- /dev/null
+++ b/arch/score/include/asm/current.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_CURRENT_H
+#define _ASM_SCORE_CURRENT_H
+
+#include <asm-generic/current.h>
+
+#endif /* _ASM_SCORE_CURRENT_H */
diff --git a/arch/score/include/asm/delay.h b/arch/score/include/asm/delay.h
new file mode 100644
index 000000000000..ad716f6d922d
--- /dev/null
+++ b/arch/score/include/asm/delay.h
@@ -0,0 +1,21 @@
+#ifndef _ASM_SCORE_DELAY_H
+#define _ASM_SCORE_DELAY_H
+
+static inline void __delay(unsigned long loops)
+{
+ __asm__ __volatile__ (
+ "1:\tsubi\t%0,1\n\t"
+ "cmpz.c\t%0\n\t"
+ "bne\t1b\n\t"
+ : "=r" (loops)
+ : "0" (loops));
+}
+
+static inline void __udelay(unsigned long usecs)
+{
+ __delay(usecs);
+}
+
+#define udelay(usecs) __udelay(usecs)
+
+#endif /* _ASM_SCORE_DELAY_H */
diff --git a/arch/score/include/asm/device.h b/arch/score/include/asm/device.h
new file mode 100644
index 000000000000..2dc7cc5d5ef9
--- /dev/null
+++ b/arch/score/include/asm/device.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_DEVICE_H
+#define _ASM_SCORE_DEVICE_H
+
+#include <asm-generic/device.h>
+
+#endif /* _ASM_SCORE_DEVICE_H */
diff --git a/arch/score/include/asm/div64.h b/arch/score/include/asm/div64.h
new file mode 100644
index 000000000000..75fae19824eb
--- /dev/null
+++ b/arch/score/include/asm/div64.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_DIV64_H
+#define _ASM_SCORE_DIV64_H
+
+#include <asm-generic/div64.h>
+
+#endif /* _ASM_SCORE_DIV64_H */
diff --git a/arch/score/include/asm/dma-mapping.h b/arch/score/include/asm/dma-mapping.h
new file mode 100644
index 000000000000..f9c0193c7a53
--- /dev/null
+++ b/arch/score/include/asm/dma-mapping.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_DMA_MAPPING_H
+#define _ASM_SCORE_DMA_MAPPING_H
+
+#include <asm-generic/dma-mapping-broken.h>
+
+#endif /* _ASM_SCORE_DMA_MAPPING_H */
diff --git a/arch/score/include/asm/dma.h b/arch/score/include/asm/dma.h
new file mode 100644
index 000000000000..9f44185298bf
--- /dev/null
+++ b/arch/score/include/asm/dma.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_SCORE_DMA_H
+#define _ASM_SCORE_DMA_H
+
+#include <asm/io.h>
+
+#define MAX_DMA_ADDRESS (0)
+
+#endif /* _ASM_SCORE_DMA_H */
diff --git a/arch/score/include/asm/elf.h b/arch/score/include/asm/elf.h
new file mode 100644
index 000000000000..832436375ac3
--- /dev/null
+++ b/arch/score/include/asm/elf.h
@@ -0,0 +1,99 @@
+#ifndef _ASM_SCORE_ELF_H
+#define _ASM_SCORE_ELF_H
+
+/* ELF register definitions */
+#define ELF_NGREG 45
+#define ELF_NFPREG 33
+#define EM_SCORE7 135
+
+/* Relocation types. */
+#define R_SCORE_NONE 0
+#define R_SCORE_HI16 1
+#define R_SCORE_LO16 2
+#define R_SCORE_BCMP 3
+#define R_SCORE_24 4
+#define R_SCORE_PC19 5
+#define R_SCORE16_11 6
+#define R_SCORE16_PC8 7
+#define R_SCORE_ABS32 8
+#define R_SCORE_ABS16 9
+#define R_SCORE_DUMMY2 10
+#define R_SCORE_GP15 11
+#define R_SCORE_GNU_VTINHERIT 12
+#define R_SCORE_GNU_VTENTRY 13
+#define R_SCORE_GOT15 14
+#define R_SCORE_GOT_LO16 15
+#define R_SCORE_CALL15 16
+#define R_SCORE_GPREL32 17
+#define R_SCORE_REL32 18
+#define R_SCORE_DUMMY_HI16 19
+#define R_SCORE_IMM30 20
+#define R_SCORE_IMM32 21
+
+typedef unsigned long elf_greg_t;
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef double elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
+#define elf_check_arch(x) ((x)->e_machine == EM_SCORE7)
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS ELFCLASS32
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_DATA ELFDATA2LSB
+#define ELF_ARCH EM_SCORE7
+
+#define SET_PERSONALITY(ex) \
+do { \
+ set_personality(PER_LINUX); \
+} while (0)
+
+struct task_struct;
+struct pt_regs;
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE PAGE_SIZE
+
+/* This yields a mask that user programs can use to figure out what
+ instruction set this cpu supports. This could be done in userspace,
+ but it's not easy, and we've already done it here. */
+
+#define ELF_HWCAP (0)
+
+/* This yields a string that ld.so will use to load implementation
+ specific libraries for optimization. This is more specific in
+ intent than poking at uname or /proc/cpuinfo.
+
+ For the moment, we have only optimizations for the Intel generations,
+ but that could change... */
+
+#define ELF_PLATFORM (NULL)
+
+#define ELF_PLAT_INIT(_r, load_addr) \
+do { \
+ _r->regs[1] = _r->regs[2] = _r->regs[3] = _r->regs[4] = 0; \
+ _r->regs[5] = _r->regs[6] = _r->regs[7] = _r->regs[8] = 0; \
+ _r->regs[9] = _r->regs[10] = _r->regs[11] = _r->regs[12] = 0; \
+ _r->regs[13] = _r->regs[14] = _r->regs[15] = _r->regs[16] = 0; \
+ _r->regs[17] = _r->regs[18] = _r->regs[19] = _r->regs[20] = 0; \
+ _r->regs[21] = _r->regs[22] = _r->regs[23] = _r->regs[24] = 0; \
+ _r->regs[25] = _r->regs[26] = _r->regs[27] = _r->regs[28] = 0; \
+ _r->regs[30] = _r->regs[31] = 0; \
+} while (0)
+
+/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
+ use of this is to invoke "./ld.so someprog" to test out a new version of
+ the loader. We need to make sure that it is out of the way of the program
+ that it will "exec", and that there is sufficient room for the brk. */
+
+#ifndef ELF_ET_DYN_BASE
+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
+#endif
+
+#endif /* _ASM_SCORE_ELF_H */
diff --git a/arch/score/include/asm/emergency-restart.h b/arch/score/include/asm/emergency-restart.h
new file mode 100644
index 000000000000..ca31e9803a8a
--- /dev/null
+++ b/arch/score/include/asm/emergency-restart.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_EMERGENCY_RESTART_H
+#define _ASM_SCORE_EMERGENCY_RESTART_H
+
+#include <asm-generic/emergency-restart.h>
+
+#endif /* _ASM_SCORE_EMERGENCY_RESTART_H */
diff --git a/arch/score/include/asm/errno.h b/arch/score/include/asm/errno.h
new file mode 100644
index 000000000000..7cd3e1f07c0b
--- /dev/null
+++ b/arch/score/include/asm/errno.h
@@ -0,0 +1,7 @@
+#ifndef _ASM_SCORE_ERRNO_H
+#define _ASM_SCORE_ERRNO_H
+
+#include <asm-generic/errno.h>
+#define EMAXERRNO 1024
+
+#endif /* _ASM_SCORE_ERRNO_H */
diff --git a/arch/score/include/asm/fcntl.h b/arch/score/include/asm/fcntl.h
new file mode 100644
index 000000000000..03968a3103a4
--- /dev/null
+++ b/arch/score/include/asm/fcntl.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_FCNTL_H
+#define _ASM_SCORE_FCNTL_H
+
+#include <asm-generic/fcntl.h>
+
+#endif /* _ASM_SCORE_FCNTL_H */
diff --git a/arch/score/include/asm/fixmap.h b/arch/score/include/asm/fixmap.h
new file mode 100644
index 000000000000..ee1676694024
--- /dev/null
+++ b/arch/score/include/asm/fixmap.h
@@ -0,0 +1,82 @@
+#ifndef _ASM_SCORE_FIXMAP_H
+#define _ASM_SCORE_FIXMAP_H
+
+#include <asm/page.h>
+
+#define PHY_RAM_BASE 0x00000000
+#define PHY_IO_BASE 0x10000000
+
+#define VIRTUAL_RAM_BASE 0xa0000000
+#define VIRTUAL_IO_BASE 0xb0000000
+
+#define RAM_SPACE_SIZE 0x10000000
+#define IO_SPACE_SIZE 0x10000000
+
+/* Kernel unmapped, cached 512MB */
+#define KSEG1 0xa0000000
+
+/*
+ * Here we define all the compile-time 'special' virtual
+ * addresses. The point is to have a constant address at
+ * compile time, but to set the physical address only
+ * in the boot process. We allocate these special addresses
+ * from the end of virtual memory (0xfffff000) backwards.
+ * Also this lets us do fail-safe vmalloc(), we
+ * can guarantee that these special addresses and
+ * vmalloc()-ed addresses never overlap.
+ *
+ * these 'compile-time allocated' memory buffers are
+ * fixed-size 4k pages. (or larger if used with an increment
+ * highger than 1) use fixmap_set(idx,phys) to associate
+ * physical memory with fixmap indices.
+ *
+ * TLB entries of such buffers will not be flushed across
+ * task switches.
+ */
+
+/*
+ * on UP currently we will have no trace of the fixmap mechanizm,
+ * no page table allocations, etc. This might change in the
+ * future, say framebuffers for the console driver(s) could be
+ * fix-mapped?
+ */
+enum fixed_addresses {
+#define FIX_N_COLOURS 8
+ FIX_CMAP_BEGIN,
+ FIX_CMAP_END = FIX_CMAP_BEGIN + FIX_N_COLOURS,
+ __end_of_fixed_addresses
+};
+
+/*
+ * used by vmalloc.c.
+ *
+ * Leave one empty page between vmalloc'ed areas and
+ * the start of the fixmap, and leave one page empty
+ * at the top of mem..
+ */
+#define FIXADDR_TOP ((unsigned long)(long)(int)0xfefe0000)
+#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
+#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
+
+#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT))
+#define __virt_to_fix(x) \
+ ((FIXADDR_TOP - ((x) & PAGE_MASK)) >> PAGE_SHIFT)
+
+extern void __this_fixmap_does_not_exist(void);
+
+/*
+ * 'index to address' translation. If anyone tries to use the idx
+ * directly without tranlation, we catch the bug with a NULL-deference
+ * kernel oops. Illegal ranges of incoming indices are caught too.
+ */
+static inline unsigned long fix_to_virt(const unsigned int idx)
+{
+ return __fix_to_virt(idx);
+}
+
+static inline unsigned long virt_to_fix(const unsigned long vaddr)
+{
+ return __virt_to_fix(vaddr);
+}
+
+#endif /* _ASM_SCORE_FIXMAP_H */
diff --git a/arch/score/include/asm/ftrace.h b/arch/score/include/asm/ftrace.h
new file mode 100644
index 000000000000..79d6f10e1f5b
--- /dev/null
+++ b/arch/score/include/asm/ftrace.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_FTRACE_H
+#define _ASM_SCORE_FTRACE_H
+
+#endif /* _ASM_SCORE_FTRACE_H */
diff --git a/arch/score/include/asm/futex.h b/arch/score/include/asm/futex.h
new file mode 100644
index 000000000000..1dca2420f8db
--- /dev/null
+++ b/arch/score/include/asm/futex.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_FUTEX_H
+#define _ASM_SCORE_FUTEX_H
+
+#include <asm-generic/futex.h>
+
+#endif /* _ASM_SCORE_FUTEX_H */
diff --git a/arch/score/include/asm/hardirq.h b/arch/score/include/asm/hardirq.h
new file mode 100644
index 000000000000..dc932c50d3ee
--- /dev/null
+++ b/arch/score/include/asm/hardirq.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_HARDIRQ_H
+#define _ASM_SCORE_HARDIRQ_H
+
+#include <asm-generic/hardirq.h>
+
+#endif /* _ASM_SCORE_HARDIRQ_H */
diff --git a/arch/score/include/asm/hw_irq.h b/arch/score/include/asm/hw_irq.h
new file mode 100644
index 000000000000..4caafb2b509a
--- /dev/null
+++ b/arch/score/include/asm/hw_irq.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_HW_IRQ_H
+#define _ASM_SCORE_HW_IRQ_H
+
+#endif /* _ASM_SCORE_HW_IRQ_H */
diff --git a/arch/score/include/asm/io.h b/arch/score/include/asm/io.h
new file mode 100644
index 000000000000..fbbfd7132e3b
--- /dev/null
+++ b/arch/score/include/asm/io.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_SCORE_IO_H
+#define _ASM_SCORE_IO_H
+
+#include <asm-generic/io.h>
+
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
+
+#endif /* _ASM_SCORE_IO_H */
diff --git a/arch/score/include/asm/ioctl.h b/arch/score/include/asm/ioctl.h
new file mode 100644
index 000000000000..a351d2194bfd
--- /dev/null
+++ b/arch/score/include/asm/ioctl.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_IOCTL_H
+#define _ASM_SCORE_IOCTL_H
+
+#include <asm-generic/ioctl.h>
+
+#endif /* _ASM_SCORE_IOCTL_H */
diff --git a/arch/score/include/asm/ioctls.h b/arch/score/include/asm/ioctls.h
new file mode 100644
index 000000000000..ed01d2b9aeab
--- /dev/null
+++ b/arch/score/include/asm/ioctls.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_IOCTLS_H
+#define _ASM_SCORE_IOCTLS_H
+
+#include <asm-generic/ioctls.h>
+
+#endif /* _ASM_SCORE_IOCTLS_H */
diff --git a/arch/score/include/asm/ipcbuf.h b/arch/score/include/asm/ipcbuf.h
new file mode 100644
index 000000000000..e082ceff1818
--- /dev/null
+++ b/arch/score/include/asm/ipcbuf.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_IPCBUF_H
+#define _ASM_SCORE_IPCBUF_H
+
+#include <asm-generic/ipcbuf.h>
+
+#endif /* _ASM_SCORE_IPCBUF_H */
diff --git a/arch/score/include/asm/irq.h b/arch/score/include/asm/irq.h
new file mode 100644
index 000000000000..401f6704848c
--- /dev/null
+++ b/arch/score/include/asm/irq.h
@@ -0,0 +1,33 @@
+#ifndef _ASM_SCORE_IRQ_H
+#define _ASM_SCORE_IRQ_H
+
+#define EXCEPTION_VECTOR_BASE_ADDR 0xa0000000
+#define VECTOR_ADDRESS_OFFSET_MODE4 0
+#define VECTOR_ADDRESS_OFFSET_MODE16 1
+
+#define DEBUG_VECTOR_SIZE (0x4)
+#define DEBUG_VECTOR_BASE_ADDR ((EXCEPTION_VECTOR_BASE_ADDR) + 0x1fc)
+
+#define GENERAL_VECTOR_SIZE (0x10)
+#define GENERAL_VECTOR_BASE_ADDR ((EXCEPTION_VECTOR_BASE_ADDR) + 0x200)
+
+#define NR_IRQS 64
+#define IRQ_VECTOR_SIZE (0x10)
+#define IRQ_VECTOR_BASE_ADDR ((EXCEPTION_VECTOR_BASE_ADDR) + 0x210)
+#define IRQ_VECTOR_END_ADDR ((EXCEPTION_VECTOR_BASE_ADDR) + 0x5f0)
+
+#define irq_canonicalize(irq) (irq)
+
+#define P_INT_PNDL 0x95F50000
+#define P_INT_PNDH 0x95F50004
+#define P_INT_PRIORITY_M 0x95F50008
+#define P_INT_PRIORITY_SG0 0x95F50010
+#define P_INT_PRIORITY_SG1 0x95F50014
+#define P_INT_PRIORITY_SG2 0x95F50018
+#define P_INT_PRIORITY_SG3 0x95F5001C
+#define P_INT_MASKL 0x95F50020
+#define P_INT_MASKH 0x95F50024
+
+#define IRQ_TIMER (7) /* Timer IRQ number of SPCT6600 */
+
+#endif /* _ASM_SCORE_IRQ_H */
diff --git a/arch/score/include/asm/irq_regs.h b/arch/score/include/asm/irq_regs.h
new file mode 100644
index 000000000000..905b7b078bae
--- /dev/null
+++ b/arch/score/include/asm/irq_regs.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_IRQ_REGS_H
+#define _ASM_SCORE_IRQ_REGS_H
+
+#include <asm-generic/irq_regs.h>
+
+#endif /* _ASM_SCORE_IRQ_REGS_H */
diff --git a/arch/score/include/asm/irqflags.h b/arch/score/include/asm/irqflags.h
new file mode 100644
index 000000000000..92eeb33dd72b
--- /dev/null
+++ b/arch/score/include/asm/irqflags.h
@@ -0,0 +1,111 @@
+#ifndef _ASM_SCORE_IRQFLAGS_H
+#define _ASM_SCORE_IRQFLAGS_H
+
+#ifndef __ASSEMBLY__
+
+#define raw_local_irq_save(x) \
+{ \
+ __asm__ __volatile__( \
+ "mfcr r8, cr0;" \
+ "li r9, 0xfffffffe;" \
+ "nop;" \
+ "mv %0, r8;" \
+ "and r8, r8, r9;" \
+ "mtcr r8, cr0;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "ldi r9, 0x1;" \
+ "and %0, %0, r9;" \
+ : "=r" (x) \
+ : \
+ : "r8", "r9" \
+ ); \
+}
+
+#define raw_local_irq_restore(x) \
+{ \
+ __asm__ __volatile__( \
+ "mfcr r8, cr0;" \
+ "ldi r9, 0x1;" \
+ "and %0, %0, r9;" \
+ "or r8, r8, %0;" \
+ "mtcr r8, cr0;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ : \
+ : "r"(x) \
+ : "r8", "r9" \
+ ); \
+}
+
+#define raw_local_irq_enable(void) \
+{ \
+ __asm__ __volatile__( \
+ "mfcr\tr8,cr0;" \
+ "nop;" \
+ "nop;" \
+ "ori\tr8,0x1;" \
+ "mtcr\tr8,cr0;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ : \
+ : \
+ : "r8"); \
+}
+
+#define raw_local_irq_disable(void) \
+{ \
+ __asm__ __volatile__( \
+ "mfcr\tr8,cr0;" \
+ "nop;" \
+ "nop;" \
+ "srli\tr8,r8,1;" \
+ "slli\tr8,r8,1;" \
+ "mtcr\tr8,cr0;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ : \
+ : \
+ : "r8"); \
+}
+
+#define raw_local_save_flags(x) \
+{ \
+ __asm__ __volatile__( \
+ "mfcr r8, cr0;" \
+ "nop;" \
+ "nop;" \
+ "mv %0, r8;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "nop;" \
+ "ldi r9, 0x1;" \
+ "and %0, %0, r9;" \
+ : "=r" (x) \
+ : \
+ : "r8", "r9" \
+ ); \
+}
+
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+ return !(flags & 1);
+}
+
+#endif
+
+#endif /* _ASM_SCORE_IRQFLAGS_H */
diff --git a/arch/score/include/asm/kdebug.h b/arch/score/include/asm/kdebug.h
new file mode 100644
index 000000000000..a666e513f747
--- /dev/null
+++ b/arch/score/include/asm/kdebug.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_KDEBUG_H
+#define _ASM_SCORE_KDEBUG_H
+
+#include <asm-generic/kdebug.h>
+
+#endif /* _ASM_SCORE_KDEBUG_H */
diff --git a/arch/score/include/asm/kmap_types.h b/arch/score/include/asm/kmap_types.h
new file mode 100644
index 000000000000..6c46eb5077d3
--- /dev/null
+++ b/arch/score/include/asm/kmap_types.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_KMAP_TYPES_H
+#define _ASM_SCORE_KMAP_TYPES_H
+
+#include <asm-generic/kmap_types.h>
+
+#endif /* _ASM_SCORE_KMAP_TYPES_H */
diff --git a/arch/score/include/asm/linkage.h b/arch/score/include/asm/linkage.h
new file mode 100644
index 000000000000..2580fbbfe946
--- /dev/null
+++ b/arch/score/include/asm/linkage.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_LINKAGE_H
+#define _ASM_SCORE_LINKAGE_H
+
+#endif /* _ASM_SCORE_LINKAGE_H */
diff --git a/arch/score/include/asm/local.h b/arch/score/include/asm/local.h
new file mode 100644
index 000000000000..7e02f13dbba8
--- /dev/null
+++ b/arch/score/include/asm/local.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_LOCAL_H
+#define _ASM_SCORE_LOCAL_H
+
+#include <asm-generic/local.h>
+
+#endif /* _ASM_SCORE_LOCAL_H */
diff --git a/arch/score/include/asm/mman.h b/arch/score/include/asm/mman.h
new file mode 100644
index 000000000000..84d85ddfed8d
--- /dev/null
+++ b/arch/score/include/asm/mman.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_MMAN_H
+#define _ASM_SCORE_MMAN_H
+
+#include <asm-generic/mman.h>
+
+#endif /* _ASM_SCORE_MMAN_H */
diff --git a/arch/score/include/asm/mmu.h b/arch/score/include/asm/mmu.h
new file mode 100644
index 000000000000..676828e4c10a
--- /dev/null
+++ b/arch/score/include/asm/mmu.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_MMU_H
+#define _ASM_SCORE_MMU_H
+
+typedef unsigned long mm_context_t;
+
+#endif /* _ASM_SCORE_MMU_H */
diff --git a/arch/score/include/asm/mmu_context.h b/arch/score/include/asm/mmu_context.h
new file mode 100644
index 000000000000..2644577c96e8
--- /dev/null
+++ b/arch/score/include/asm/mmu_context.h
@@ -0,0 +1,113 @@
+#ifndef _ASM_SCORE_MMU_CONTEXT_H
+#define _ASM_SCORE_MMU_CONTEXT_H
+
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <asm-generic/mm_hooks.h>
+
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+#include <asm/scoreregs.h>
+
+/*
+ * For the fast tlb miss handlers, we keep a per cpu array of pointers
+ * to the current pgd for each processor. Also, the proc. id is stuffed
+ * into the context register.
+ */
+extern unsigned long asid_cache;
+extern unsigned long pgd_current;
+
+#define TLBMISS_HANDLER_SETUP_PGD(pgd) (pgd_current = (unsigned long)(pgd))
+
+#define TLBMISS_HANDLER_SETUP() \
+do { \
+ write_c0_context(0); \
+ TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir) \
+} while (0)
+
+/*
+ * All unused by hardware upper bits will be considered
+ * as a software asid extension.
+ */
+#define ASID_VERSION_MASK 0xfffff000
+#define ASID_FIRST_VERSION 0x1000
+
+/* PEVN --------- VPN ---------- --ASID--- -NA- */
+/* binary: 0000 0000 0000 0000 0000 0000 0001 0000 */
+/* binary: 0000 0000 0000 0000 0000 1111 1111 0000 */
+#define ASID_INC 0x10
+#define ASID_MASK 0xff0
+
+static inline void enter_lazy_tlb(struct mm_struct *mm,
+ struct task_struct *tsk)
+{}
+
+static inline void
+get_new_mmu_context(struct mm_struct *mm)
+{
+ unsigned long asid = asid_cache + ASID_INC;
+
+ if (!(asid & ASID_MASK)) {
+ local_flush_tlb_all(); /* start new asid cycle */
+ if (!asid) /* fix version if needed */
+ asid = ASID_FIRST_VERSION;
+ }
+
+ mm->context = asid;
+ asid_cache = asid;
+}
+
+/*
+ * Initialize the context related info for a new mm_struct
+ * instance.
+ */
+static inline int
+init_new_context(struct task_struct *tsk, struct mm_struct *mm)
+{
+ mm->context = 0;
+ return 0;
+}
+
+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
+ struct task_struct *tsk)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ if ((next->context ^ asid_cache) & ASID_VERSION_MASK)
+ get_new_mmu_context(next);
+
+ pevn_set(next->context);
+ TLBMISS_HANDLER_SETUP_PGD(next->pgd);
+ local_irq_restore(flags);
+}
+
+/*
+ * Destroy context related info for an mm_struct that is about
+ * to be put to rest.
+ */
+static inline void destroy_context(struct mm_struct *mm)
+{}
+
+static inline void
+deactivate_mm(struct task_struct *task, struct mm_struct *mm)
+{}
+
+/*
+ * After we have set current->mm to a new value, this activates
+ * the context for the new mm so we see the new mappings.
+ */
+static inline void
+activate_mm(struct mm_struct *prev, struct mm_struct *next)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ get_new_mmu_context(next);
+ pevn_set(next->context);
+ TLBMISS_HANDLER_SETUP_PGD(next->pgd);
+ local_irq_restore(flags);
+}
+
+#endif /* _ASM_SCORE_MMU_CONTEXT_H */
diff --git a/arch/score/include/asm/module.h b/arch/score/include/asm/module.h
new file mode 100644
index 000000000000..f0b5dc0bd023
--- /dev/null
+++ b/arch/score/include/asm/module.h
@@ -0,0 +1,39 @@
+#ifndef _ASM_SCORE_MODULE_H
+#define _ASM_SCORE_MODULE_H
+
+#include <linux/list.h>
+#include <asm/uaccess.h>
+
+struct mod_arch_specific {
+ /* Data Bus Error exception tables */
+ struct list_head dbe_list;
+ const struct exception_table_entry *dbe_start;
+ const struct exception_table_entry *dbe_end;
+};
+
+typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */
+
+#define Elf_Shdr Elf32_Shdr
+#define Elf_Sym Elf32_Sym
+#define Elf_Ehdr Elf32_Ehdr
+#define Elf_Addr Elf32_Addr
+
+/* Given an address, look for it in the exception tables. */
+#ifdef CONFIG_MODULES
+const struct exception_table_entry *search_module_dbetables(unsigned long addr);
+#else
+static inline const struct exception_table_entry
+*search_module_dbetables(unsigned long addr)
+{
+ return NULL;
+}
+#endif
+
+#define MODULE_PROC_FAMILY "SCORE7"
+#define MODULE_KERNEL_TYPE "32BIT "
+#define MODULE_KERNEL_SMTC ""
+
+#define MODULE_ARCH_VERMAGIC \
+ MODULE_PROC_FAMILY MODULE_KERNEL_TYPE MODULE_KERNEL_SMTC
+
+#endif /* _ASM_SCORE_MODULE_H */
diff --git a/arch/score/include/asm/msgbuf.h b/arch/score/include/asm/msgbuf.h
new file mode 100644
index 000000000000..7506721e29fa
--- /dev/null
+++ b/arch/score/include/asm/msgbuf.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_MSGBUF_H
+#define _ASM_SCORE_MSGBUF_H
+
+#include <asm-generic/msgbuf.h>
+
+#endif /* _ASM_SCORE_MSGBUF_H */
diff --git a/arch/score/include/asm/mutex.h b/arch/score/include/asm/mutex.h
new file mode 100644
index 000000000000..10d48fe4db97
--- /dev/null
+++ b/arch/score/include/asm/mutex.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_MUTEX_H
+#define _ASM_SCORE_MUTEX_H
+
+#include <asm-generic/mutex-dec.h>
+
+#endif /* _ASM_SCORE_MUTEX_H */
diff --git a/arch/score/include/asm/page.h b/arch/score/include/asm/page.h
new file mode 100644
index 000000000000..67e98206be6a
--- /dev/null
+++ b/arch/score/include/asm/page.h
@@ -0,0 +1,92 @@
+#ifndef _ASM_SCORE_PAGE_H
+#define _ASM_SCORE_PAGE_H
+
+#include <linux/pfn.h>
+
+/* PAGE_SHIFT determines the page size */
+#define PAGE_SHIFT (12)
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+
+#define PAGE_UP(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
+#define PAGE_DOWN(addr) ((addr)&(~((PAGE_SIZE)-1)))
+
+/* align addr on a size boundary - adjust address up/down if needed */
+#define _ALIGN_UP(addr, size) (((addr)+((size)-1))&(~((size)-1)))
+#define _ALIGN_DOWN(addr, size) ((addr)&(~((size)-1)))
+
+/* align addr on a size boundary - adjust address up if needed */
+#define _ALIGN(addr, size) _ALIGN_UP(addr, size)
+
+/*
+ * PAGE_OFFSET -- the first address of the first page of memory. When not
+ * using MMU this corresponds to the first free page in physical memory (aligned
+ * on a page boundary).
+ */
+#define PAGE_OFFSET (0xA0000000UL)
+
+#define clear_page(pgaddr) memset((pgaddr), 0, PAGE_SIZE)
+#define copy_page(to, from) memcpy((to), (from), PAGE_SIZE)
+
+#define clear_user_page(pgaddr, vaddr, page) memset((pgaddr), 0, PAGE_SIZE)
+#define copy_user_page(vto, vfrom, vaddr, topg) \
+ memcpy((vto), (vfrom), PAGE_SIZE)
+
+/*
+ * These are used to make use of C type-checking..
+ */
+
+typedef struct { unsigned long pte; } pte_t; /* page table entry */
+typedef struct { unsigned long pgd; } pgd_t; /* PGD table entry */
+typedef struct { unsigned long pgprot; } pgprot_t;
+typedef struct page *pgtable_t;
+
+#define pte_val(x) ((x).pte)
+#define pgd_val(x) ((x).pgd)
+#define pgprot_val(x) ((x).pgprot)
+
+#define __pte(x) ((pte_t) { (x) })
+#define __pgd(x) ((pgd_t) { (x) })
+#define __pgprot(x) ((pgprot_t) { (x) })
+
+extern unsigned long max_low_pfn;
+extern unsigned long min_low_pfn;
+extern unsigned long max_pfn;
+
+#define __pa(vaddr) ((unsigned long) (vaddr))
+#define __va(paddr) ((void *) (paddr))
+
+#define phys_to_pfn(phys) (PFN_DOWN(phys))
+#define pfn_to_phys(pfn) (PFN_PHYS(pfn))
+
+#define virt_to_pfn(vaddr) (phys_to_pfn((__pa(vaddr))))
+#define pfn_to_virt(pfn) __va(pfn_to_phys((pfn)))
+
+#define virt_to_page(vaddr) (pfn_to_page(virt_to_pfn(vaddr)))
+#define page_to_virt(page) (pfn_to_virt(page_to_pfn(page)))
+
+#define page_to_phys(page) (pfn_to_phys(page_to_pfn(page)))
+#define page_to_bus(page) (page_to_phys(page))
+#define phys_to_page(paddr) (pfn_to_page(phys_to_pfn(paddr)))
+
+#define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) < max_mapnr)
+
+#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT)
+
+#endif /* __ASSEMBLY__ */
+
+#define virt_addr_valid(vaddr) (pfn_valid(virt_to_pfn(vaddr)))
+
+#endif /* __KERNEL__ */
+
+#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
+ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+#include <asm-generic/memory_model.h>
+#include <asm-generic/getorder.h>
+
+#endif /* _ASM_SCORE_PAGE_H */
diff --git a/arch/score/include/asm/param.h b/arch/score/include/asm/param.h
new file mode 100644
index 000000000000..916b8690b6aa
--- /dev/null
+++ b/arch/score/include/asm/param.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_PARAM_H
+#define _ASM_SCORE_PARAM_H
+
+#include <asm-generic/param.h>
+
+#endif /* _ASM_SCORE_PARAM_H */
diff --git a/arch/score/include/asm/pci.h b/arch/score/include/asm/pci.h
new file mode 100644
index 000000000000..3f3cfd82549c
--- /dev/null
+++ b/arch/score/include/asm/pci.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_PCI_H
+#define _ASM_SCORE_PCI_H
+
+#endif /* _ASM_SCORE_PCI_H */
diff --git a/arch/score/include/asm/percpu.h b/arch/score/include/asm/percpu.h
new file mode 100644
index 000000000000..e7bd4e05b475
--- /dev/null
+++ b/arch/score/include/asm/percpu.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_PERCPU_H
+#define _ASM_SCORE_PERCPU_H
+
+#include <asm-generic/percpu.h>
+
+#endif /* _ASM_SCORE_PERCPU_H */
diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h
new file mode 100644
index 000000000000..28dacc1cbbab
--- /dev/null
+++ b/arch/score/include/asm/pgalloc.h
@@ -0,0 +1,83 @@
+#ifndef _ASM_SCORE_PGALLOC_H
+#define _ASM_SCORE_PGALLOC_H
+
+#include <linux/mm.h>
+
+static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
+ pte_t *pte)
+{
+ set_pmd(pmd, __pmd((unsigned long)pte));
+}
+
+static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
+ pgtable_t pte)
+{
+ set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
+}
+
+#define pmd_pgtable(pmd) pmd_page(pmd)
+
+static inline pgd_t *pgd_alloc(struct mm_struct *mm)
+{
+ pgd_t *ret, *init;
+
+ ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER);
+ if (ret) {
+ init = pgd_offset(&init_mm, 0UL);
+ pgd_init((unsigned long)ret);
+ memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD,
+ (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
+ }
+
+ return ret;
+}
+
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+ free_pages((unsigned long)pgd, PGD_ORDER);
+}
+
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
+ unsigned long address)
+{
+ pte_t *pte;
+
+ pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO,
+ PTE_ORDER);
+
+ return pte;
+}
+
+static inline struct page *pte_alloc_one(struct mm_struct *mm,
+ unsigned long address)
+{
+ struct page *pte;
+
+ pte = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER);
+ if (pte) {
+ clear_highpage(pte);
+ pgtable_page_ctor(pte);
+ }
+ return pte;
+}
+
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
+{
+ free_pages((unsigned long)pte, PTE_ORDER);
+}
+
+static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
+{
+ pgtable_page_dtor(pte);
+ __free_pages(pte, PTE_ORDER);
+}
+
+#define __pte_free_tlb(tlb, pte) \
+do { \
+ pgtable_page_dtor(pte); \
+ tlb_remove_page((tlb), pte); \
+} while (0)
+
+#define check_pgt_cache() do {} while (0)
+
+#endif /* _ASM_SCORE_PGALLOC_H */
diff --git a/arch/score/include/asm/pgtable-bits.h b/arch/score/include/asm/pgtable-bits.h
new file mode 100644
index 000000000000..ca16d357a644
--- /dev/null
+++ b/arch/score/include/asm/pgtable-bits.h
@@ -0,0 +1,23 @@
+#ifndef _ASM_SCORE_PGTABLE_BITS_H
+#define _ASM_SCORE_PGTABLE_BITS_H
+
+#define _PAGE_ACCESSED (1<<5) /* implemented in software */
+#define _PAGE_READ (1<<6) /* implemented in software */
+#define _PAGE_WRITE (1<<7) /* implemented in software */
+#define _PAGE_PRESENT (1<<9) /* implemented in software */
+#define _PAGE_MODIFIED (1<<10) /* implemented in software */
+#define _PAGE_FILE (1<<10)
+
+#define _PAGE_GLOBAL (1<<0)
+#define _PAGE_VALID (1<<1)
+#define _PAGE_SILENT_READ (1<<1) /* synonym */
+#define _PAGE_DIRTY (1<<2) /* Write bit */
+#define _PAGE_SILENT_WRITE (1<<2)
+#define _PAGE_CACHE (1<<3) /* cache */
+#define _CACHE_MASK (1<<3)
+#define _PAGE_BUFFERABLE (1<<4) /*Fallow Spec. */
+
+#define _PAGE_CHG_MASK \
+ (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED | _PAGE_CACHE)
+
+#endif /* _ASM_SCORE_PGTABLE_BITS_H */
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h
new file mode 100644
index 000000000000..0f7177a42205
--- /dev/null
+++ b/arch/score/include/asm/pgtable.h
@@ -0,0 +1,267 @@
+#ifndef _ASM_SCORE_PGTABLE_H
+#define _ASM_SCORE_PGTABLE_H
+
+#include <linux/const.h>
+#include <asm-generic/pgtable-nopmd.h>
+
+#include <asm/fixmap.h>
+#include <asm/setup.h>
+#include <asm/pgtable-bits.h>
+
+extern void load_pgd(unsigned long pg_dir);
+extern pte_t invalid_pte_table[PAGE_SIZE/sizeof(pte_t)];
+
+/* PGDIR_SHIFT determines what a third-level page table entry can map */
+#define PGDIR_SHIFT 22
+#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT)
+#define PGDIR_MASK (~(PGDIR_SIZE - 1))
+
+/*
+ * Entries per page directory level: we use two-level, so
+ * we don't really have any PUD/PMD directory physically.
+ */
+#define PGD_ORDER 0
+#define PTE_ORDER 0
+
+#define PTRS_PER_PGD 1024
+#define PTRS_PER_PTE 1024
+
+#define USER_PTRS_PER_PGD (0x80000000UL/PGDIR_SIZE)
+#define FIRST_USER_ADDRESS 0
+
+#define VMALLOC_START (0xc0000000UL)
+
+#define PKMAP_BASE (0xfd000000UL)
+
+#define VMALLOC_END (FIXADDR_START - 2*PAGE_SIZE)
+
+#define pte_ERROR(e) \
+ printk(KERN_ERR "%s:%d: bad pte %08lx.\n", \
+ __FILE__, __LINE__, pte_val(e))
+#define pgd_ERROR(e) \
+ printk(KERN_ERR "%s:%d: bad pgd %08lx.\n", \
+ __FILE__, __LINE__, pgd_val(e))
+
+/*
+ * Empty pgd/pmd entries point to the invalid_pte_table.
+ */
+static inline int pmd_none(pmd_t pmd)
+{
+ return pmd_val(pmd) == (unsigned long) invalid_pte_table;
+}
+
+#define pmd_bad(pmd) (pmd_val(pmd) & ~PAGE_MASK)
+
+static inline int pmd_present(pmd_t pmd)
+{
+ return pmd_val(pmd) != (unsigned long) invalid_pte_table;
+}
+
+static inline void pmd_clear(pmd_t *pmdp)
+{
+ pmd_val(*pmdp) = ((unsigned long) invalid_pte_table);
+}
+
+#define pte_page(x) pfn_to_page(pte_pfn(x))
+#define pte_pfn(x) ((unsigned long)((x).pte >> PAGE_SHIFT))
+#define pfn_pte(pfn, prot) \
+ __pte(((unsigned long long)(pfn) << PAGE_SHIFT) | pgprot_val(prot))
+
+#define __pgd_offset(address) pgd_index(address)
+#define __pud_offset(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
+#define __pmd_offset(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
+
+/* to find an entry in a kernel page-table-directory */
+#define pgd_offset_k(address) pgd_offset(&init_mm, address)
+#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
+
+/* to find an entry in a page-table-directory */
+#define pgd_offset(mm, addr) ((mm)->pgd + pgd_index(addr))
+
+/* Find an entry in the third-level page table.. */
+#define __pte_offset(address) \
+ (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+#define pte_offset(dir, address) \
+ ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
+#define pte_offset_kernel(dir, address) \
+ ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
+
+#define pte_offset_map(dir, address) \
+ ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
+#define pte_offset_map_nested(dir, address) \
+ ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
+#define pte_unmap(pte) ((void)(pte))
+#define pte_unmap_nested(pte) ((void)(pte))
+
+/*
+ * Bits 9(_PAGE_PRESENT) and 10(_PAGE_FILE)are taken,
+ * split up 30 bits of offset into this range:
+ */
+#define PTE_FILE_MAX_BITS 30
+#define pte_to_pgoff(_pte) \
+ (((_pte).pte & 0x1ff) | (((_pte).pte >> 11) << 9))
+#define pgoff_to_pte(off) \
+ ((pte_t) {((off) & 0x1ff) | (((off) >> 9) << 11) | _PAGE_FILE})
+#define __pte_to_swp_entry(pte) \
+ ((swp_entry_t) { pte_val(pte)})
+#define __swp_entry_to_pte(x) ((pte_t) {(x).val})
+
+#define __P000 __pgprot(0)
+#define __P001 __pgprot(0)
+#define __P010 __pgprot(0)
+#define __P011 __pgprot(0)
+#define __P100 __pgprot(0)
+#define __P101 __pgprot(0)
+#define __P110 __pgprot(0)
+#define __P111 __pgprot(0)
+
+#define __S000 __pgprot(0)
+#define __S001 __pgprot(0)
+#define __S010 __pgprot(0)
+#define __S011 __pgprot(0)
+#define __S100 __pgprot(0)
+#define __S101 __pgprot(0)
+#define __S110 __pgprot(0)
+#define __S111 __pgprot(0)
+
+#define pmd_page(pmd) virt_to_page(__va(pmd_val(pmd)))
+#define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot)
+static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
+
+#define set_pte(pteptr, pteval) (*(pteptr) = pteval)
+#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
+#define pte_clear(mm, addr, xp) \
+ do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
+
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
+ remap_pfn_range(vma, vaddr, pfn, size, prot)
+
+#define pgd_present(pgd) (1) /* pages are always present on non MMU */
+#define pgd_none(pgd) (0)
+#define pgd_bad(pgd) (0)
+#define pgd_clear(pgdp)
+
+#define kern_addr_valid(addr) (1)
+#define pmd_offset(a, b) ((void *) 0)
+#define pmd_page_vaddr(pmd) pmd_val(pmd)
+
+#define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL))
+#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
+
+#define pud_offset(pgd, address) ((pud_t *) pgd)
+
+#define PAGE_NONE __pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_SHARED __pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_COPY __pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_READONLY __pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_KERNEL __pgprot(0) /* these mean nothing to non MMU */
+
+#define pgprot_noncached(x) (x)
+
+#define __swp_type(x) (0)
+#define __swp_offset(x) (0)
+#define __swp_entry(typ, off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
+
+#define ZERO_PAGE(vaddr) ({ BUG(); NULL; })
+
+#define swapper_pg_dir ((pgd_t *) NULL)
+
+#define pgtable_cache_init() do {} while (0)
+
+#define arch_enter_lazy_cpu_mode() do {} while (0)
+
+static inline int pte_write(pte_t pte)
+{
+ return pte_val(pte) & _PAGE_WRITE;
+}
+
+static inline int pte_dirty(pte_t pte)
+{
+ return pte_val(pte) & _PAGE_MODIFIED;
+}
+
+static inline int pte_young(pte_t pte)
+{
+ return pte_val(pte) & _PAGE_ACCESSED;
+}
+
+static inline int pte_file(pte_t pte)
+{
+ return pte_val(pte) & _PAGE_FILE;
+}
+
+#define pte_special(pte) (0)
+
+static inline pte_t pte_wrprotect(pte_t pte)
+{
+ pte_val(pte) &= ~(_PAGE_WRITE | _PAGE_SILENT_WRITE);
+ return pte;
+}
+
+static inline pte_t pte_mkclean(pte_t pte)
+{
+ pte_val(pte) &= ~(_PAGE_MODIFIED|_PAGE_SILENT_WRITE);
+ return pte;
+}
+
+static inline pte_t pte_mkold(pte_t pte)
+{
+ pte_val(pte) &= ~(_PAGE_ACCESSED|_PAGE_SILENT_READ);
+ return pte;
+}
+
+static inline pte_t pte_mkwrite(pte_t pte)
+{
+ pte_val(pte) |= _PAGE_WRITE;
+ if (pte_val(pte) & _PAGE_MODIFIED)
+ pte_val(pte) |= _PAGE_SILENT_WRITE;
+ return pte;
+}
+
+static inline pte_t pte_mkdirty(pte_t pte)
+{
+ pte_val(pte) |= _PAGE_MODIFIED;
+ if (pte_val(pte) & _PAGE_WRITE)
+ pte_val(pte) |= _PAGE_SILENT_WRITE;
+ return pte;
+}
+
+static inline pte_t pte_mkyoung(pte_t pte)
+{
+ pte_val(pte) |= _PAGE_ACCESSED;
+ if (pte_val(pte) & _PAGE_READ)
+ pte_val(pte) |= _PAGE_SILENT_READ;
+ return pte;
+}
+
+#define set_pmd(pmdptr, pmdval) \
+ do { *(pmdptr) = (pmdval); } while (0)
+#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
+
+extern unsigned long pgd_current;
+extern void paging_init(void);
+
+static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+{
+ return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
+}
+
+extern void __update_tlb(struct vm_area_struct *vma,
+ unsigned long address, pte_t pte);
+extern void __update_cache(struct vm_area_struct *vma,
+ unsigned long address, pte_t pte);
+
+static inline void update_mmu_cache(struct vm_area_struct *vma,
+ unsigned long address, pte_t pte)
+{
+ __update_tlb(vma, address, pte);
+ __update_cache(vma, address, pte);
+}
+
+#ifndef __ASSEMBLY__
+#include <asm-generic/pgtable.h>
+
+void setup_memory(void);
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_SCORE_PGTABLE_H */
diff --git a/arch/score/include/asm/poll.h b/arch/score/include/asm/poll.h
new file mode 100644
index 000000000000..18532db02861
--- /dev/null
+++ b/arch/score/include/asm/poll.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_POLL_H
+#define _ASM_SCORE_POLL_H
+
+#include <asm-generic/poll.h>
+
+#endif /* _ASM_SCORE_POLL_H */
diff --git a/arch/score/include/asm/posix_types.h b/arch/score/include/asm/posix_types.h
new file mode 100644
index 000000000000..b88acf80048a
--- /dev/null
+++ b/arch/score/include/asm/posix_types.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_POSIX_TYPES_H
+#define _ASM_SCORE_POSIX_TYPES_H
+
+#include <asm-generic/posix_types.h>
+
+#endif /* _ASM_SCORE_POSIX_TYPES_H */
diff --git a/arch/score/include/asm/processor.h b/arch/score/include/asm/processor.h
new file mode 100644
index 000000000000..7e22f216d771
--- /dev/null
+++ b/arch/score/include/asm/processor.h
@@ -0,0 +1,106 @@
+#ifndef _ASM_SCORE_PROCESSOR_H
+#define _ASM_SCORE_PROCESSOR_H
+
+#include <linux/cpumask.h>
+#include <linux/threads.h>
+
+#include <asm/segment.h>
+
+struct task_struct;
+
+/*
+ * System setup and hardware flags..
+ */
+extern void (*cpu_wait)(void);
+
+extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
+extern unsigned long thread_saved_pc(struct task_struct *tsk);
+extern void start_thread(struct pt_regs *regs,
+ unsigned long pc, unsigned long sp);
+extern unsigned long get_wchan(struct task_struct *p);
+
+/*
+ * Return current * instruction pointer ("program counter").
+ */
+#define current_text_addr() ({ __label__ _l; _l: &&_l; })
+
+#define cpu_relax() barrier()
+#define release_thread(thread) do {} while (0)
+#define prepare_to_copy(tsk) do {} while (0)
+
+/*
+ * User space process size: 2GB. This is hardcoded into a few places,
+ * so don't change it unless you know what you are doing.
+ */
+#define TASK_SIZE 0x7fff8000UL
+
+/*
+ * This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.
+ */
+#define TASK_UNMAPPED_BASE ((TASK_SIZE / 3) & ~(PAGE_SIZE))
+
+#ifdef __KERNEL__
+#define STACK_TOP TASK_SIZE
+#define STACK_TOP_MAX TASK_SIZE
+#endif
+
+/*
+ * If you change thread_struct remember to change the #defines below too!
+ */
+struct thread_struct {
+ unsigned long reg0, reg2, reg3;
+ unsigned long reg12, reg13, reg14, reg15, reg16;
+ unsigned long reg17, reg18, reg19, reg20, reg21;
+
+ unsigned long cp0_psr;
+ unsigned long cp0_ema; /* Last user fault */
+ unsigned long cp0_badvaddr; /* Last user fault */
+ unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */
+ unsigned long error_code;
+ unsigned long trap_no;
+
+ unsigned long mflags;
+ unsigned long reg29;
+
+ unsigned long single_step;
+ unsigned long ss_nextcnt;
+
+ unsigned long insn1_type;
+ unsigned long addr1;
+ unsigned long insn1;
+
+ unsigned long insn2_type;
+ unsigned long addr2;
+ unsigned long insn2;
+
+ mm_segment_t current_ds;
+};
+
+#define INIT_THREAD { \
+ .reg0 = 0, \
+ .reg2 = 0, \
+ .reg3 = 0, \
+ .reg12 = 0, \
+ .reg13 = 0, \
+ .reg14 = 0, \
+ .reg15 = 0, \
+ .reg16 = 0, \
+ .reg17 = 0, \
+ .reg18 = 0, \
+ .reg19 = 0, \
+ .reg20 = 0, \
+ .reg21 = 0, \
+ .cp0_psr = 0, \
+ .error_code = 0, \
+ .trap_no = 0, \
+}
+
+#define kstk_tos(tsk) \
+ ((unsigned long)task_stack_page(tsk) + THREAD_SIZE - 32)
+#define task_pt_regs(tsk) ((struct pt_regs *)kstk_tos(tsk) - 1)
+
+#define KSTK_EIP(tsk) (task_pt_regs(tsk)->cp0_epc)
+#define KSTK_ESP(tsk) (task_pt_regs(tsk)->regs[29])
+
+#endif /* _ASM_SCORE_PROCESSOR_H */
diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h
new file mode 100644
index 000000000000..1a4900ac49f3
--- /dev/null
+++ b/arch/score/include/asm/ptrace.h
@@ -0,0 +1,87 @@
+#ifndef _ASM_SCORE_PTRACE_H
+#define _ASM_SCORE_PTRACE_H
+
+#define PC 32
+#define CONDITION 33
+#define ECR 34
+#define EMA 35
+#define CEH 36
+#define CEL 37
+#define COUNTER 38
+#define LDCR 39
+#define STCR 40
+#define PSR 41
+
+#define SINGLESTEP16_INSN 0x7006
+#define SINGLESTEP32_INSN 0x840C8000
+#define BREAKPOINT16_INSN 0x7002 /* work on SPG300 */
+#define BREAKPOINT32_INSN 0x84048000 /* work on SPG300 */
+
+/* Define instruction mask */
+#define INSN32_MASK 0x80008000
+
+#define J32 0x88008000 /* 1_00010_0000000000_1_000000000000000 */
+#define J32M 0xFC008000 /* 1_11111_0000000000_1_000000000000000 */
+
+#define B32 0x90008000 /* 1_00100_0000000000_1_000000000000000 */
+#define B32M 0xFC008000
+#define BL32 0x90008001 /* 1_00100_0000000000_1_000000000000001 */
+#define BL32M B32
+#define BR32 0x80008008 /* 1_00000_0000000000_1_00000000_000100_0 */
+#define BR32M 0xFFE0807E
+#define BRL32 0x80008009 /* 1_00000_0000000000_1_00000000_000100_1 */
+#define BRL32M BR32M
+
+#define B32_SET (J32 | B32 | BL32 | BR32 | BRL32)
+
+#define J16 0x3000 /* 0_011_....... */
+#define J16M 0xF000
+#define B16 0x4000 /* 0_100_....... */
+#define B16M 0xF000
+#define BR16 0x0004 /* 0_000.......0100 */
+#define BR16M 0xF00F
+#define B16_SET (J16 | B16 | BR16)
+
+
+/*
+ * This struct defines the way the registers are stored on the stack during a
+ * system call/exception. As usual the registers k0/k1 aren't being saved.
+ */
+struct pt_regs {
+ unsigned long pad0[6];
+ unsigned long orig_r4;
+ unsigned long orig_r7;
+ unsigned long regs[32];
+
+ unsigned long cel;
+ unsigned long ceh;
+
+ unsigned long sr0; /* cnt */
+ unsigned long sr1; /* lcr */
+ unsigned long sr2; /* scr */
+
+ unsigned long cp0_epc;
+ unsigned long cp0_ema;
+ unsigned long cp0_psr;
+ unsigned long cp0_ecr;
+ unsigned long cp0_condition;
+
+ long is_syscall;
+};
+
+#ifdef __KERNEL__
+
+/*
+ * Does the process account for user or for system time?
+ */
+#define user_mode(regs) ((regs->cp0_psr & 8) == 8)
+
+#define instruction_pointer(regs) (0)
+#define profile_pc(regs) instruction_pointer(regs)
+
+extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit);
+extern int read_tsk_long(struct task_struct *, unsigned long, unsigned long *);
+extern void clear_single_step(struct task_struct *);
+#endif
+
+#endif /* _ASM_SCORE_PTRACE_H */
diff --git a/arch/score/include/asm/resource.h b/arch/score/include/asm/resource.h
new file mode 100644
index 000000000000..9ce22bc7b475
--- /dev/null
+++ b/arch/score/include/asm/resource.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_RESOURCE_H
+#define _ASM_SCORE_RESOURCE_H
+
+#include <asm-generic/resource.h>
+
+#endif /* _ASM_SCORE_RESOURCE_H */
diff --git a/arch/score/include/asm/scatterlist.h b/arch/score/include/asm/scatterlist.h
new file mode 100644
index 000000000000..9f533b8362c7
--- /dev/null
+++ b/arch/score/include/asm/scatterlist.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SCATTERLIST_H
+#define _ASM_SCORE_SCATTERLIST_H
+
+#include <asm-generic/scatterlist.h>
+
+#endif /* _ASM_SCORE_SCATTERLIST_H */
diff --git a/arch/score/include/asm/scoreregs.h b/arch/score/include/asm/scoreregs.h
new file mode 100644
index 000000000000..d0ad29204518
--- /dev/null
+++ b/arch/score/include/asm/scoreregs.h
@@ -0,0 +1,51 @@
+#ifndef _ASM_SCORE_SCOREREGS_H
+#define _ASM_SCORE_SCOREREGS_H
+
+#include <linux/linkage.h>
+
+/* TIMER register */
+#define TIME0BASE 0x96080000
+#define P_TIMER0_CTRL (TIME0BASE + 0x00)
+#define P_TIMER0_CPP_CTRL (TIME0BASE + 0x04)
+#define P_TIMER0_PRELOAD (TIME0BASE + 0x08)
+#define P_TIMER0_CPP_REG (TIME0BASE + 0x0C)
+#define P_TIMER0_UPCNT (TIME0BASE + 0x10)
+
+/* Timer Controller Register */
+/* bit 0 Timer enable */
+#define TMR_DISABLE 0x0000
+#define TMR_ENABLE 0x0001
+
+/* bit 1 Interrupt enable */
+#define TMR_IE_DISABLE 0x0000
+#define TMR_IE_ENABLE 0x0002
+
+/* bit 2 Output enable */
+#define TMR_OE_DISABLE 0x0004
+#define TMR_OE_ENABLE 0x0000
+
+/* bit4 Up/Down counting selection */
+#define TMR_UD_DOWN 0x0000
+#define TMR_UD_UP 0x0010
+
+/* bit5 Up/Down counting control selection */
+#define TMR_UDS_UD 0x0000
+#define TMR_UDS_EXTUD 0x0020
+
+/* bit6 Time output mode */
+#define TMR_OM_TOGGLE 0x0000
+#define TMR_OM_PILSE 0x0040
+
+/* bit 8..9 External input active edge selection */
+#define TMR_ES_PE 0x0000
+#define TMR_ES_NE 0x0100
+#define TMR_ES_BOTH 0x0200
+
+/* bit 10..11 Operating mode */
+#define TMR_M_FREE 0x0000 /* free running timer mode */
+#define TMR_M_PERIODIC 0x0400 /* periodic timer mode */
+#define TMR_M_FC 0x0800 /* free running counter mode */
+#define TMR_M_PC 0x0c00 /* periodic counter mode */
+
+#define SYSTEM_CLOCK (27*1000000/4) /* 27 MHz */
+#endif /* _ASM_SCORE_SCOREREGS_H */
diff --git a/arch/score/include/asm/sections.h b/arch/score/include/asm/sections.h
new file mode 100644
index 000000000000..9441d23af005
--- /dev/null
+++ b/arch/score/include/asm/sections.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SECTIONS_H
+#define _ASM_SCORE_SECTIONS_H
+
+#include <asm-generic/sections.h>
+
+#endif /* _ASM_SCORE_SECTIONS_H */
diff --git a/arch/score/include/asm/segment.h b/arch/score/include/asm/segment.h
new file mode 100644
index 000000000000..e16cf6afb495
--- /dev/null
+++ b/arch/score/include/asm/segment.h
@@ -0,0 +1,21 @@
+#ifndef _ASM_SCORE_SEGMENT_H
+#define _ASM_SCORE_SEGMENT_H
+
+#ifndef __ASSEMBLY__
+
+typedef struct {
+ unsigned long seg;
+} mm_segment_t;
+
+#define KERNEL_DS ((mm_segment_t){0})
+#define USER_DS KERNEL_DS
+
+# define get_ds() (KERNEL_DS)
+# define get_fs() (current_thread_info()->addr_limit)
+# define set_fs(x) \
+ do { current_thread_info()->addr_limit = (x); } while (0)
+
+# define segment_eq(a, b) ((a).seg == (b).seg)
+
+# endif /* __ASSEMBLY__ */
+#endif /* _ASM_SCORE_SEGMENT_H */
diff --git a/arch/score/include/asm/sembuf.h b/arch/score/include/asm/sembuf.h
new file mode 100644
index 000000000000..dae5e835ce9e
--- /dev/null
+++ b/arch/score/include/asm/sembuf.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SEMBUF_H
+#define _ASM_SCORE_SEMBUF_H
+
+#include <asm-generic/sembuf.h>
+
+#endif /* _ASM_SCORE_SEMBUF_H */
diff --git a/arch/score/include/asm/setup.h b/arch/score/include/asm/setup.h
new file mode 100644
index 000000000000..de89eff98dae
--- /dev/null
+++ b/arch/score/include/asm/setup.h
@@ -0,0 +1,40 @@
+#ifndef _ASM_SCORE_SETUP_H
+#define _ASM_SCORE_SETUP_H
+
+#define COMMAND_LINE_SIZE 256
+#define MEM_SIZE 0x2000000
+
+#ifdef __KERNEL__
+
+extern void pagetable_init(void);
+extern void pgd_init(unsigned long page);
+
+extern void setup_early_printk(void);
+extern void cpu_cache_init(void);
+extern void tlb_init(void);
+
+extern void handle_nmi(void);
+extern void handle_adelinsn(void);
+extern void handle_adedata(void);
+extern void handle_ibe(void);
+extern void handle_pel(void);
+extern void handle_sys(void);
+extern void handle_ccu(void);
+extern void handle_ri(void);
+extern void handle_tr(void);
+extern void handle_ades(void);
+extern void handle_cee(void);
+extern void handle_cpe(void);
+extern void handle_dve(void);
+extern void handle_dbe(void);
+extern void handle_reserved(void);
+extern void handle_tlb_refill(void);
+extern void handle_tlb_invaild(void);
+extern void handle_mod(void);
+extern void debug_exception_vector(void);
+extern void general_exception_vector(void);
+extern void interrupt_exception_vector(void);
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_SCORE_SETUP_H */
diff --git a/arch/score/include/asm/shmbuf.h b/arch/score/include/asm/shmbuf.h
new file mode 100644
index 000000000000..c85b2429ba21
--- /dev/null
+++ b/arch/score/include/asm/shmbuf.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SHMBUF_H
+#define _ASM_SCORE_SHMBUF_H
+
+#include <asm-generic/shmbuf.h>
+
+#endif /* _ASM_SCORE_SHMBUF_H */
diff --git a/arch/score/include/asm/shmparam.h b/arch/score/include/asm/shmparam.h
new file mode 100644
index 000000000000..1d60813141b6
--- /dev/null
+++ b/arch/score/include/asm/shmparam.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SHMPARAM_H
+#define _ASM_SCORE_SHMPARAM_H
+
+#include <asm-generic/shmparam.h>
+
+#endif /* _ASM_SCORE_SHMPARAM_H */
diff --git a/arch/score/include/asm/sigcontext.h b/arch/score/include/asm/sigcontext.h
new file mode 100644
index 000000000000..5ffda39ddb90
--- /dev/null
+++ b/arch/score/include/asm/sigcontext.h
@@ -0,0 +1,22 @@
+#ifndef _ASM_SCORE_SIGCONTEXT_H
+#define _ASM_SCORE_SIGCONTEXT_H
+
+/*
+ * Keep this struct definition in sync with the sigcontext fragment
+ * in arch/score/tools/offset.c
+ */
+struct sigcontext {
+ unsigned int sc_regmask;
+ unsigned int sc_psr;
+ unsigned int sc_condition;
+ unsigned long sc_pc;
+ unsigned long sc_regs[32];
+ unsigned int sc_ssflags;
+ unsigned int sc_mdceh;
+ unsigned int sc_mdcel;
+ unsigned int sc_ecr;
+ unsigned long sc_ema;
+ unsigned long sc_sigset[4];
+};
+
+#endif /* _ASM_SCORE_SIGCONTEXT_H */
diff --git a/arch/score/include/asm/siginfo.h b/arch/score/include/asm/siginfo.h
new file mode 100644
index 000000000000..87ca35607a28
--- /dev/null
+++ b/arch/score/include/asm/siginfo.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SIGINFO_H
+#define _ASM_SCORE_SIGINFO_H
+
+#include <asm-generic/siginfo.h>
+
+#endif /* _ASM_SCORE_SIGINFO_H */
diff --git a/arch/score/include/asm/signal.h b/arch/score/include/asm/signal.h
new file mode 100644
index 000000000000..2605bc06b64f
--- /dev/null
+++ b/arch/score/include/asm/signal.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SIGNAL_H
+#define _ASM_SCORE_SIGNAL_H
+
+#include <asm-generic/signal.h>
+
+#endif /* _ASM_SCORE_SIGNAL_H */
diff --git a/arch/score/include/asm/socket.h b/arch/score/include/asm/socket.h
new file mode 100644
index 000000000000..612a70e385ba
--- /dev/null
+++ b/arch/score/include/asm/socket.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SOCKET_H
+#define _ASM_SCORE_SOCKET_H
+
+#include <asm-generic/socket.h>
+
+#endif /* _ASM_SCORE_SOCKET_H */
diff --git a/arch/score/include/asm/sockios.h b/arch/score/include/asm/sockios.h
new file mode 100644
index 000000000000..ba8256480189
--- /dev/null
+++ b/arch/score/include/asm/sockios.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SOCKIOS_H
+#define _ASM_SCORE_SOCKIOS_H
+
+#include <asm-generic/sockios.h>
+
+#endif /* _ASM_SCORE_SOCKIOS_H */
diff --git a/arch/score/include/asm/stat.h b/arch/score/include/asm/stat.h
new file mode 100644
index 000000000000..5037055500a2
--- /dev/null
+++ b/arch/score/include/asm/stat.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_STAT_H
+#define _ASM_SCORE_STAT_H
+
+#include <asm-generic/stat.h>
+
+#endif /* _ASM_SCORE_STAT_H */
diff --git a/arch/score/include/asm/statfs.h b/arch/score/include/asm/statfs.h
new file mode 100644
index 000000000000..36e41004e996
--- /dev/null
+++ b/arch/score/include/asm/statfs.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_STATFS_H
+#define _ASM_SCORE_STATFS_H
+
+#include <asm-generic/statfs.h>
+
+#endif /* _ASM_SCORE_STATFS_H */
diff --git a/arch/score/include/asm/string.h b/arch/score/include/asm/string.h
new file mode 100644
index 000000000000..8a6bf5063aa5
--- /dev/null
+++ b/arch/score/include/asm/string.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_SCORE_STRING_H
+#define _ASM_SCORE_STRING_H
+
+extern void *memset(void *__s, int __c, size_t __count);
+extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
+extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
+
+#endif /* _ASM_SCORE_STRING_H */
diff --git a/arch/score/include/asm/swab.h b/arch/score/include/asm/swab.h
new file mode 100644
index 000000000000..fadc3cc6d8a2
--- /dev/null
+++ b/arch/score/include/asm/swab.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_SWAB_H
+#define _ASM_SCORE_SWAB_H
+
+#include <asm-generic/swab.h>
+
+#endif /* _ASM_SCORE_SWAB_H */
diff --git a/arch/score/include/asm/syscalls.h b/arch/score/include/asm/syscalls.h
new file mode 100644
index 000000000000..00c28e04fdfc
--- /dev/null
+++ b/arch/score/include/asm/syscalls.h
@@ -0,0 +1,9 @@
+#ifndef _ASM_SCORE_SYSCALLS_H
+#define _ASM_SCORE_SYSCALLS_H
+
+asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs);
+#define sys_clone sys_clone
+
+#include <asm-generic/syscalls.h>
+
+#endif /* _ASM_SCORE_SYSCALLS_H */
diff --git a/arch/score/include/asm/system.h b/arch/score/include/asm/system.h
new file mode 100644
index 000000000000..589d5c7e171c
--- /dev/null
+++ b/arch/score/include/asm/system.h
@@ -0,0 +1,90 @@
+#ifndef _ASM_SCORE_SYSTEM_H
+#define _ASM_SCORE_SYSTEM_H
+
+#include <linux/types.h>
+#include <linux/irqflags.h>
+
+struct pt_regs;
+struct task_struct;
+
+extern void *resume(void *last, void *next, void *next_ti);
+
+#define switch_to(prev, next, last) \
+do { \
+ (last) = resume(prev, next, task_thread_info(next)); \
+} while (0)
+
+#define finish_arch_switch(prev) do {} while (0)
+
+typedef void (*vi_handler_t)(void);
+extern unsigned long arch_align_stack(unsigned long sp);
+
+#define mb() barrier()
+#define rmb() barrier()
+#define wmb() barrier()
+#define smp_mb() barrier()
+#define smp_rmb() barrier()
+#define smp_wmb() barrier()
+
+#define read_barrier_depends() do {} while (0)
+#define smp_read_barrier_depends() do {} while (0)
+
+#define set_mb(var, value) do {var = value; wmb(); } while (0)
+
+#define __HAVE_ARCH_CMPXCHG 1
+
+#include <asm-generic/cmpxchg-local.h>
+
+#ifndef __ASSEMBLY__
+
+struct __xchg_dummy { unsigned long a[100]; };
+#define __xg(x) ((struct __xchg_dummy *)(x))
+
+static inline
+unsigned long __xchg(volatile unsigned long *m, unsigned long val)
+{
+ unsigned long retval;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ retval = *m;
+ *m = val;
+ local_irq_restore(flags);
+ return retval;
+}
+
+#define xchg(ptr, v) \
+ ((__typeof__(*(ptr))) __xchg((unsigned long *)(ptr), \
+ (unsigned long)(v)))
+
+static inline unsigned long __cmpxchg(volatile unsigned long *m,
+ unsigned long old, unsigned long new)
+{
+ unsigned long retval;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ retval = *m;
+ if (retval == old)
+ *m = new;
+ local_irq_restore(flags);
+ return retval;
+}
+
+#define cmpxchg(ptr, o, n) \
+ ((__typeof__(*(ptr))) __cmpxchg((unsigned long *)(ptr), \
+ (unsigned long)(o), \
+ (unsigned long)(n)))
+
+extern void __die(const char *, struct pt_regs *, const char *,
+ const char *, unsigned long) __attribute__((noreturn));
+extern void __die_if_kernel(const char *, struct pt_regs *, const char *,
+ const char *, unsigned long);
+
+#define die(msg, regs) \
+ __die(msg, regs, __FILE__ ":", __func__, __LINE__)
+#define die_if_kernel(msg, regs) \
+ __die_if_kernel(msg, regs, __FILE__ ":", __func__, __LINE__)
+
+#endif /* !__ASSEMBLY__ */
+#endif /* _ASM_SCORE_SYSTEM_H */
diff --git a/arch/score/include/asm/termbits.h b/arch/score/include/asm/termbits.h
new file mode 100644
index 000000000000..9a95c1412437
--- /dev/null
+++ b/arch/score/include/asm/termbits.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_TERMBITS_H
+#define _ASM_SCORE_TERMBITS_H
+
+#include <asm-generic/termbits.h>
+
+#endif /* _ASM_SCORE_TERMBITS_H */
diff --git a/arch/score/include/asm/termios.h b/arch/score/include/asm/termios.h
new file mode 100644
index 000000000000..40984e811ad6
--- /dev/null
+++ b/arch/score/include/asm/termios.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_TERMIOS_H
+#define _ASM_SCORE_TERMIOS_H
+
+#include <asm-generic/termios.h>
+
+#endif /* _ASM_SCORE_TERMIOS_H */
diff --git a/arch/score/include/asm/thread_info.h b/arch/score/include/asm/thread_info.h
new file mode 100644
index 000000000000..0af8ca074c8d
--- /dev/null
+++ b/arch/score/include/asm/thread_info.h
@@ -0,0 +1,103 @@
+#ifndef _ASM_SCORE_THREAD_INFO_H
+#define _ASM_SCORE_THREAD_INFO_H
+
+#ifdef __KERNEL__
+
+#define KU_MASK 0x08
+#define KU_USER 0x08
+#define KU_KERN 0x00
+
+#ifndef __ASSEMBLY__
+
+#include <asm/processor.h>
+
+/*
+ * low level task data that entry.S needs immediate access to
+ * - this struct should fit entirely inside of one cache line
+ * - this struct shares the supervisor stack pages
+ * - if the contents of this structure are changed, the assembly constants
+ * must also be changed
+ */
+struct thread_info {
+ struct task_struct *task; /* main task structure */
+ struct exec_domain *exec_domain; /* execution domain */
+ unsigned long flags; /* low level flags */
+ unsigned long tp_value; /* thread pointer */
+ __u32 cpu; /* current CPU */
+
+ /* 0 => preemptable, < 0 => BUG */
+ int preempt_count;
+
+ /*
+ * thread address space:
+ * 0-0xBFFFFFFF for user-thead
+ * 0-0xFFFFFFFF for kernel-thread
+ */
+ mm_segment_t addr_limit;
+ struct restart_block restart_block;
+ struct pt_regs *regs;
+};
+
+/*
+ * macros/functions for gaining access to the thread information structure
+ *
+ * preempt_count needs to be 1 initially, until the scheduler is functional.
+ */
+#define INIT_THREAD_INFO(tsk) \
+{ \
+ .task = &tsk, \
+ .exec_domain = &default_exec_domain, \
+ .cpu = 0, \
+ .preempt_count = 1, \
+ .addr_limit = KERNEL_DS, \
+ .restart_block = { \
+ .fn = do_no_restart_syscall, \
+ }, \
+}
+
+#define init_thread_info (init_thread_union.thread_info)
+#define init_stack (init_thread_union.stack)
+
+/* How to get the thread information struct from C. */
+register struct thread_info *__current_thread_info __asm__("r28");
+#define current_thread_info() __current_thread_info
+
+/* thread information allocation */
+#define THREAD_SIZE_ORDER (1)
+#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
+#define THREAD_MASK (THREAD_SIZE - 1UL)
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
+#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
+#define free_thread_info(info) kfree(info)
+
+#endif /* !__ASSEMBLY__ */
+
+#define PREEMPT_ACTIVE 0x10000000
+
+/*
+ * thread information flags
+ * - these are process state flags that various assembly files may need to
+ * access
+ * - pending work-to-be-done flags are in LSW
+ * - other flags in MSW
+ */
+#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
+#define TIF_SIGPENDING 1 /* signal pending */
+#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
+#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */
+#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling
+ TIF_NEED_RESCHED */
+#define TIF_MEMDIE 18
+
+#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
+#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
+#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
+#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
+
+#define _TIF_WORK_MASK (0x0000ffff)
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_SCORE_THREAD_INFO_H */
diff --git a/arch/score/include/asm/timex.h b/arch/score/include/asm/timex.h
new file mode 100644
index 000000000000..a524ae0c5e7b
--- /dev/null
+++ b/arch/score/include/asm/timex.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_SCORE_TIMEX_H
+#define _ASM_SCORE_TIMEX_H
+
+#define CLOCK_TICK_RATE 27000000 /* Timer input freq. */
+
+#include <asm-generic/timex.h>
+
+#endif /* _ASM_SCORE_TIMEX_H */
diff --git a/arch/score/include/asm/tlb.h b/arch/score/include/asm/tlb.h
new file mode 100644
index 000000000000..46882ed524e6
--- /dev/null
+++ b/arch/score/include/asm/tlb.h
@@ -0,0 +1,17 @@
+#ifndef _ASM_SCORE_TLB_H
+#define _ASM_SCORE_TLB_H
+
+/*
+ * SCORE doesn't need any special per-pte or per-vma handling, except
+ * we need to flush cache for area to be unmapped.
+ */
+#define tlb_start_vma(tlb, vma) do {} while (0)
+#define tlb_end_vma(tlb, vma) do {} while (0)
+#define __tlb_remove_tlb_entry(tlb, ptep, address) do {} while (0)
+#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
+
+extern void score7_FTLB_refill_Handler(void);
+
+#include <asm-generic/tlb.h>
+
+#endif /* _ASM_SCORE_TLB_H */
diff --git a/arch/score/include/asm/tlbflush.h b/arch/score/include/asm/tlbflush.h
new file mode 100644
index 000000000000..9cce978367d5
--- /dev/null
+++ b/arch/score/include/asm/tlbflush.h
@@ -0,0 +1,142 @@
+#ifndef _ASM_SCORE_TLBFLUSH_H
+#define _ASM_SCORE_TLBFLUSH_H
+
+#include <linux/mm.h>
+
+/*
+ * TLB flushing:
+ *
+ * - flush_tlb_all() flushes all processes TLB entries
+ * - flush_tlb_mm(mm) flushes the specified mm context TLB entries
+ * - flush_tlb_page(vma, vmaddr) flushes one page
+ * - flush_tlb_range(vma, start, end) flushes a range of pages
+ * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
+ */
+extern void local_flush_tlb_all(void);
+extern void local_flush_tlb_mm(struct mm_struct *mm);
+extern void local_flush_tlb_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end);
+extern void local_flush_tlb_kernel_range(unsigned long start,
+ unsigned long end);
+extern void local_flush_tlb_page(struct vm_area_struct *vma,
+ unsigned long page);
+extern void local_flush_tlb_one(unsigned long vaddr);
+
+#define flush_tlb_all() local_flush_tlb_all()
+#define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
+#define flush_tlb_range(vma, vmaddr, end) \
+ local_flush_tlb_range(vma, vmaddr, end)
+#define flush_tlb_kernel_range(vmaddr, end) \
+ local_flush_tlb_kernel_range(vmaddr, end)
+#define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page)
+#define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr)
+
+#ifndef __ASSEMBLY__
+
+static inline unsigned long pevn_get(void)
+{
+ unsigned long val;
+
+ __asm__ __volatile__(
+ "mfcr %0, cr11\n"
+ "nop\nnop\n"
+ : "=r" (val));
+
+ return val;
+}
+
+static inline void pevn_set(unsigned long val)
+{
+ __asm__ __volatile__(
+ "mtcr %0, cr11\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ : : "r" (val));
+}
+
+static inline void pectx_set(unsigned long val)
+{
+ __asm__ __volatile__(
+ "mtcr %0, cr12\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ : : "r" (val));
+}
+
+static inline unsigned long pectx_get(void)
+{
+ unsigned long val;
+ __asm__ __volatile__(
+ "mfcr %0, cr12\n"
+ "nop\nnop\n"
+ : "=r" (val));
+ return val;
+}
+static inline unsigned long tlblock_get(void)
+{
+ unsigned long val;
+
+ __asm__ __volatile__(
+ "mfcr %0, cr7\n"
+ "nop\nnop\n"
+ : "=r" (val));
+ return val;
+}
+static inline void tlblock_set(unsigned long val)
+{
+ __asm__ __volatile__(
+ "mtcr %0, cr7\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ : : "r" (val));
+}
+
+static inline void tlbpt_set(unsigned long val)
+{
+ __asm__ __volatile__(
+ "mtcr %0, cr8\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ : : "r" (val));
+}
+
+static inline long tlbpt_get(void)
+{
+ long val;
+
+ __asm__ __volatile__(
+ "mfcr %0, cr8\n"
+ "nop\nnop\n"
+ : "=r" (val));
+
+ return val;
+}
+
+static inline void peaddr_set(unsigned long val)
+{
+ __asm__ __volatile__(
+ "mtcr %0, cr9\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ : : "r" (val));
+}
+
+/* TLB operations. */
+static inline void tlb_probe(void)
+{
+ __asm__ __volatile__("stlb;nop;nop;nop;nop;nop");
+}
+
+static inline void tlb_read(void)
+{
+ __asm__ __volatile__("mftlb;nop;nop;nop;nop;nop");
+}
+
+static inline void tlb_write_indexed(void)
+{
+ __asm__ __volatile__("mtptlb;nop;nop;nop;nop;nop");
+}
+
+static inline void tlb_write_random(void)
+{
+ __asm__ __volatile__("mtrtlb;nop;nop;nop;nop;nop");
+}
+
+#endif /* Not __ASSEMBLY__ */
+
+#endif /* _ASM_SCORE_TLBFLUSH_H */
diff --git a/arch/score/include/asm/topology.h b/arch/score/include/asm/topology.h
new file mode 100644
index 000000000000..425fba381f88
--- /dev/null
+++ b/arch/score/include/asm/topology.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_TOPOLOGY_H
+#define _ASM_SCORE_TOPOLOGY_H
+
+#include <asm-generic/topology.h>
+
+#endif /* _ASM_SCORE_TOPOLOGY_H */
diff --git a/arch/score/include/asm/types.h b/arch/score/include/asm/types.h
new file mode 100644
index 000000000000..2140032778ee
--- /dev/null
+++ b/arch/score/include/asm/types.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_TYPES_H
+#define _ASM_SCORE_TYPES_H
+
+#include <asm-generic/types.h>
+
+#endif /* _ASM_SCORE_TYPES_H */
diff --git a/arch/score/include/asm/uaccess.h b/arch/score/include/asm/uaccess.h
new file mode 100644
index 000000000000..43ce28a1d0fc
--- /dev/null
+++ b/arch/score/include/asm/uaccess.h
@@ -0,0 +1,27 @@
+#ifndef _ASM_SCORE_UACCESS_H
+#define _ASM_SCORE_UACCESS_H
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+struct pt_regs;
+extern int fixup_exception(struct pt_regs *regs);
+
+#ifndef __ASSEMBLY__
+
+#define __range_ok(addr, size) \
+ ((((unsigned long)(addr) >= 0x80000000) \
+ || ((unsigned long)(size) > 0x80000000) \
+ || (((unsigned long)(addr) + (unsigned long)(size)) > 0x80000000)))
+
+#define __access_ok(addr, size) \
+ (__range_ok((addr), (size)) == 0)
+
+#include <asm-generic/uaccess.h>
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_SCORE_UACCESS_H */
diff --git a/arch/score/include/asm/unaligned.h b/arch/score/include/asm/unaligned.h
new file mode 100644
index 000000000000..2fc06de51c62
--- /dev/null
+++ b/arch/score/include/asm/unaligned.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_SCORE_UNALIGNED_H
+#define _ASM_SCORE_UNALIGNED_H
+
+#include <asm-generic/unaligned.h>
+
+#endif /* _ASM_SCORE_UNALIGNED_H */
diff --git a/arch/score/include/asm/unistd.h b/arch/score/include/asm/unistd.h
new file mode 100644
index 000000000000..9aa3a159bbf6
--- /dev/null
+++ b/arch/score/include/asm/unistd.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_SCORE_UNISTD_H
+#define _ASM_SCORE_UNISTD_H
+
+#define __ARCH_HAVE_MMU
+
+#include <asm-generic/unistd.h>
+
+#endif /* _ASM_SCORE_UNISTD_H */
diff --git a/arch/score/include/asm/user.h b/arch/score/include/asm/user.h
new file mode 100644
index 000000000000..3cf75720fe08
--- /dev/null
+++ b/arch/score/include/asm/user.h
@@ -0,0 +1,4 @@
+#ifndef _ASM_SCORE_USER_H
+#define _ASM_SCORE_USER_H
+
+#endif /* _ASM_SCORE_USER_H */
diff --git a/arch/score/kernel/Makefile b/arch/score/kernel/Makefile
new file mode 100644
index 000000000000..1e5de89d5c73
--- /dev/null
+++ b/arch/score/kernel/Makefile
@@ -0,0 +1,10 @@
+#
+# Makefile for the Linux/SCORE kernel.
+#
+
+extra-y := head.o vmlinux.lds
+
+obj-y += entry.o init_task.o irq.o process.o ptrace.o \
+ setup.o signal.o sys_score.o time.o traps.o
+
+obj-$(CONFIG_MODULES) += module.o
diff --git a/arch/score/kernel/asm-offsets.c b/arch/score/kernel/asm-offsets.c
new file mode 100644
index 000000000000..57788f44c6fb
--- /dev/null
+++ b/arch/score/kernel/asm-offsets.c
@@ -0,0 +1,216 @@
+/*
+ * arch/score/kernel/asm-offsets.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/kbuild.h>
+#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+
+#include <asm-generic/cmpxchg-local.h>
+
+void output_ptreg_defines(void)
+{
+ COMMENT("SCORE pt_regs offsets.");
+ OFFSET(PT_R0, pt_regs, regs[0]);
+ OFFSET(PT_R1, pt_regs, regs[1]);
+ OFFSET(PT_R2, pt_regs, regs[2]);
+ OFFSET(PT_R3, pt_regs, regs[3]);
+ OFFSET(PT_R4, pt_regs, regs[4]);
+ OFFSET(PT_R5, pt_regs, regs[5]);
+ OFFSET(PT_R6, pt_regs, regs[6]);
+ OFFSET(PT_R7, pt_regs, regs[7]);
+ OFFSET(PT_R8, pt_regs, regs[8]);
+ OFFSET(PT_R9, pt_regs, regs[9]);
+ OFFSET(PT_R10, pt_regs, regs[10]);
+ OFFSET(PT_R11, pt_regs, regs[11]);
+ OFFSET(PT_R12, pt_regs, regs[12]);
+ OFFSET(PT_R13, pt_regs, regs[13]);
+ OFFSET(PT_R14, pt_regs, regs[14]);
+ OFFSET(PT_R15, pt_regs, regs[15]);
+ OFFSET(PT_R16, pt_regs, regs[16]);
+ OFFSET(PT_R17, pt_regs, regs[17]);
+ OFFSET(PT_R18, pt_regs, regs[18]);
+ OFFSET(PT_R19, pt_regs, regs[19]);
+ OFFSET(PT_R20, pt_regs, regs[20]);
+ OFFSET(PT_R21, pt_regs, regs[21]);
+ OFFSET(PT_R22, pt_regs, regs[22]);
+ OFFSET(PT_R23, pt_regs, regs[23]);
+ OFFSET(PT_R24, pt_regs, regs[24]);
+ OFFSET(PT_R25, pt_regs, regs[25]);
+ OFFSET(PT_R26, pt_regs, regs[26]);
+ OFFSET(PT_R27, pt_regs, regs[27]);
+ OFFSET(PT_R28, pt_regs, regs[28]);
+ OFFSET(PT_R29, pt_regs, regs[29]);
+ OFFSET(PT_R30, pt_regs, regs[30]);
+ OFFSET(PT_R31, pt_regs, regs[31]);
+
+ OFFSET(PT_ORIG_R4, pt_regs, orig_r4);
+ OFFSET(PT_ORIG_R7, pt_regs, orig_r7);
+ OFFSET(PT_CEL, pt_regs, cel);
+ OFFSET(PT_CEH, pt_regs, ceh);
+ OFFSET(PT_SR0, pt_regs, sr0);
+ OFFSET(PT_SR1, pt_regs, sr1);
+ OFFSET(PT_SR2, pt_regs, sr2);
+ OFFSET(PT_EPC, pt_regs, cp0_epc);
+ OFFSET(PT_EMA, pt_regs, cp0_ema);
+ OFFSET(PT_PSR, pt_regs, cp0_psr);
+ OFFSET(PT_ECR, pt_regs, cp0_ecr);
+ OFFSET(PT_CONDITION, pt_regs, cp0_condition);
+ OFFSET(PT_IS_SYSCALL, pt_regs, is_syscall);
+
+ DEFINE(PT_SIZE, sizeof(struct pt_regs));
+ BLANK();
+}
+
+void output_task_defines(void)
+{
+ COMMENT("SCORE task_struct offsets.");
+ OFFSET(TASK_STATE, task_struct, state);
+ OFFSET(TASK_THREAD_INFO, task_struct, stack);
+ OFFSET(TASK_FLAGS, task_struct, flags);
+ OFFSET(TASK_MM, task_struct, mm);
+ OFFSET(TASK_PID, task_struct, pid);
+ DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct));
+ BLANK();
+}
+
+void output_thread_info_defines(void)
+{
+ COMMENT("SCORE thread_info offsets.");
+ OFFSET(TI_TASK, thread_info, task);
+ OFFSET(TI_EXEC_DOMAIN, thread_info, exec_domain);
+ OFFSET(TI_FLAGS, thread_info, flags);
+ OFFSET(TI_TP_VALUE, thread_info, tp_value);
+ OFFSET(TI_CPU, thread_info, cpu);
+ OFFSET(TI_PRE_COUNT, thread_info, preempt_count);
+ OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit);
+ OFFSET(TI_RESTART_BLOCK, thread_info, restart_block);
+ OFFSET(TI_REGS, thread_info, regs);
+ DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE);
+ DEFINE(KERNEL_STACK_MASK, THREAD_MASK);
+ BLANK();
+}
+
+void output_thread_defines(void)
+{
+ COMMENT("SCORE specific thread_struct offsets.");
+ OFFSET(THREAD_REG0, task_struct, thread.reg0);
+ OFFSET(THREAD_REG2, task_struct, thread.reg2);
+ OFFSET(THREAD_REG3, task_struct, thread.reg3);
+ OFFSET(THREAD_REG12, task_struct, thread.reg12);
+ OFFSET(THREAD_REG13, task_struct, thread.reg13);
+ OFFSET(THREAD_REG14, task_struct, thread.reg14);
+ OFFSET(THREAD_REG15, task_struct, thread.reg15);
+ OFFSET(THREAD_REG16, task_struct, thread.reg16);
+ OFFSET(THREAD_REG17, task_struct, thread.reg17);
+ OFFSET(THREAD_REG18, task_struct, thread.reg18);
+ OFFSET(THREAD_REG19, task_struct, thread.reg19);
+ OFFSET(THREAD_REG20, task_struct, thread.reg20);
+ OFFSET(THREAD_REG21, task_struct, thread.reg21);
+ OFFSET(THREAD_REG29, task_struct, thread.reg29);
+
+ OFFSET(THREAD_PSR, task_struct, thread.cp0_psr);
+ OFFSET(THREAD_EMA, task_struct, thread.cp0_ema);
+ OFFSET(THREAD_BADUADDR, task_struct, thread.cp0_baduaddr);
+ OFFSET(THREAD_ECODE, task_struct, thread.error_code);
+ OFFSET(THREAD_TRAPNO, task_struct, thread.trap_no);
+ BLANK();
+}
+
+void output_mm_defines(void)
+{
+ COMMENT("Size of struct page");
+ DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page));
+ BLANK();
+ COMMENT("Linux mm_struct offsets.");
+ OFFSET(MM_USERS, mm_struct, mm_users);
+ OFFSET(MM_PGD, mm_struct, pgd);
+ OFFSET(MM_CONTEXT, mm_struct, context);
+ BLANK();
+ DEFINE(_PAGE_SIZE, PAGE_SIZE);
+ DEFINE(_PAGE_SHIFT, PAGE_SHIFT);
+ BLANK();
+ DEFINE(_PGD_T_SIZE, sizeof(pgd_t));
+ DEFINE(_PTE_T_SIZE, sizeof(pte_t));
+ BLANK();
+ DEFINE(_PGD_ORDER, PGD_ORDER);
+ DEFINE(_PTE_ORDER, PTE_ORDER);
+ BLANK();
+ DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT);
+ BLANK();
+ DEFINE(_PTRS_PER_PGD, PTRS_PER_PGD);
+ DEFINE(_PTRS_PER_PTE, PTRS_PER_PTE);
+ BLANK();
+}
+
+void output_sc_defines(void)
+{
+ COMMENT("Linux sigcontext offsets.");
+ OFFSET(SC_REGS, sigcontext, sc_regs);
+ OFFSET(SC_MDCEH, sigcontext, sc_mdceh);
+ OFFSET(SC_MDCEL, sigcontext, sc_mdcel);
+ OFFSET(SC_PC, sigcontext, sc_pc);
+ OFFSET(SC_PSR, sigcontext, sc_psr);
+ OFFSET(SC_ECR, sigcontext, sc_ecr);
+ OFFSET(SC_EMA, sigcontext, sc_ema);
+ BLANK();
+}
+
+void output_signal_defined(void)
+{
+ COMMENT("Linux signal numbers.");
+ DEFINE(_SIGHUP, SIGHUP);
+ DEFINE(_SIGINT, SIGINT);
+ DEFINE(_SIGQUIT, SIGQUIT);
+ DEFINE(_SIGILL, SIGILL);
+ DEFINE(_SIGTRAP, SIGTRAP);
+ DEFINE(_SIGIOT, SIGIOT);
+ DEFINE(_SIGABRT, SIGABRT);
+ DEFINE(_SIGFPE, SIGFPE);
+ DEFINE(_SIGKILL, SIGKILL);
+ DEFINE(_SIGBUS, SIGBUS);
+ DEFINE(_SIGSEGV, SIGSEGV);
+ DEFINE(_SIGSYS, SIGSYS);
+ DEFINE(_SIGPIPE, SIGPIPE);
+ DEFINE(_SIGALRM, SIGALRM);
+ DEFINE(_SIGTERM, SIGTERM);
+ DEFINE(_SIGUSR1, SIGUSR1);
+ DEFINE(_SIGUSR2, SIGUSR2);
+ DEFINE(_SIGCHLD, SIGCHLD);
+ DEFINE(_SIGPWR, SIGPWR);
+ DEFINE(_SIGWINCH, SIGWINCH);
+ DEFINE(_SIGURG, SIGURG);
+ DEFINE(_SIGIO, SIGIO);
+ DEFINE(_SIGSTOP, SIGSTOP);
+ DEFINE(_SIGTSTP, SIGTSTP);
+ DEFINE(_SIGCONT, SIGCONT);
+ DEFINE(_SIGTTIN, SIGTTIN);
+ DEFINE(_SIGTTOU, SIGTTOU);
+ DEFINE(_SIGVTALRM, SIGVTALRM);
+ DEFINE(_SIGPROF, SIGPROF);
+ DEFINE(_SIGXCPU, SIGXCPU);
+ DEFINE(_SIGXFSZ, SIGXFSZ);
+ BLANK();
+}
diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S
new file mode 100644
index 000000000000..6c6b7ea58afa
--- /dev/null
+++ b/arch/score/kernel/entry.S
@@ -0,0 +1,542 @@
+/*
+ * arch/score/kernel/entry.S
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/linkage.h>
+
+#include <asm/asmmacro.h>
+#include <asm/thread_info.h>
+#include <asm/unistd.h>
+
+/*
+ * disable interrupts.
+ */
+.macro disable_irq
+ mfcr r8, cr0
+ srli r8, r8, 1
+ slli r8, r8, 1
+ mtcr r8, cr0
+ nop
+ nop
+ nop
+ nop
+ nop
+.endm
+
+/*
+ * enable interrupts.
+ */
+.macro enable_irq
+ mfcr r8, cr0
+ ori r8, 1
+ mtcr r8, cr0
+ nop
+ nop
+ nop
+ nop
+ nop
+.endm
+
+__INIT
+ENTRY(debug_exception_vector)
+ nop!
+ nop!
+ nop!
+ nop!
+ nop!
+ nop!
+ nop!
+ nop!
+
+ENTRY(general_exception_vector) # should move to addr 0x200
+ j general_exception
+ nop!
+ nop!
+ nop!
+ nop!
+ nop!
+ nop!
+
+ENTRY(interrupt_exception_vector) # should move to addr 0x210
+ j interrupt_exception
+ nop!
+ nop!
+ nop!
+ nop!
+ nop!
+ nop!
+
+ .section ".text", "ax"
+ .align 2;
+general_exception:
+ mfcr r31, cr2
+ nop
+ la r30, exception_handlers
+ andi r31, 0x1f # get ecr.exc_code
+ slli r31, r31, 2
+ add r30, r30, r31
+ lw r30, [r30]
+ br r30
+
+interrupt_exception:
+ SAVE_ALL
+ mfcr r4, cr2
+ nop
+ lw r16, [r28, TI_REGS]
+ sw r0, [r28, TI_REGS]
+ la r3, ret_from_irq
+ srli r4, r4, 18 # get ecr.ip[7:2], interrupt No.
+ mv r5, r0
+ j do_IRQ
+
+ENTRY(handle_nmi) # NMI #1
+ SAVE_ALL
+ mv r4, r0
+ la r8, nmi_exception_handler
+ brl r8
+ j restore_all
+
+ENTRY(handle_adelinsn) # AdEL-instruction #2
+ SAVE_ALL
+ mfcr r8, cr6
+ nop
+ nop
+ sw r8, [r0, PT_EMA]
+ mv r4, r0
+ la r8, do_adelinsn
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+ENTRY(handle_ibe) # BusEL-instruction #5
+ SAVE_ALL
+ mv r4, r0
+ la r8, do_be
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+ENTRY(handle_pel) # P-EL #6
+ SAVE_ALL
+ mv r4, r0
+ la r8, do_pel
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+ENTRY(handle_ccu) # CCU #8
+ SAVE_ALL
+ mv r4, r0
+ la r8, do_ccu
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+ENTRY(handle_ri) # RI #9
+ SAVE_ALL
+ mv r4, r0
+ la r8, do_ri
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+ENTRY(handle_tr) # Trap #10
+ SAVE_ALL
+ mv r4, r0
+ la r8, do_tr
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+ENTRY(handle_adedata) # AdES-instruction #12
+ SAVE_ALL
+ mfcr r8, cr6
+ nop
+ nop
+ sw r8, [r0, PT_EMA]
+ mv r4, r0
+ la r8, do_adedata
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+ENTRY(handle_cee) # CeE #16
+ SAVE_ALL
+ mv r4, r0
+ la r8, do_cee
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+ENTRY(handle_cpe) # CpE #17
+ SAVE_ALL
+ mv r4, r0
+ la r8, do_cpe
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+ENTRY(handle_dbe) # BusEL-data #18
+ SAVE_ALL
+ mv r4, r0
+ la r8, do_be
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+ENTRY(handle_reserved) # others
+ SAVE_ALL
+ mv r4, r0
+ la r8, do_reserved
+ brl r8
+ mv r4, r0
+ j ret_from_exception
+ nop
+
+#ifndef CONFIG_PREEMPT
+#define resume_kernel restore_all
+#else
+#define __ret_from_irq ret_from_exception
+#endif
+
+ .align 2
+#ifndef CONFIG_PREEMPT
+ENTRY(ret_from_exception)
+ disable_irq # preempt stop
+ nop
+ j __ret_from_irq
+ nop
+#endif
+
+ENTRY(ret_from_irq)
+ sw r16, [r28, TI_REGS]
+
+ENTRY(__ret_from_irq)
+ lw r8, [r0, PT_PSR] # returning to kernel mode?
+ andri.c r8, r8, KU_USER
+ beq resume_kernel
+
+resume_userspace:
+ disable_irq
+ lw r6, [r28, TI_FLAGS] # current->work
+ li r8, _TIF_WORK_MASK
+ and.c r8, r8, r6 # ignoring syscall_trace
+ bne work_pending
+ nop
+ j restore_all
+ nop
+
+#ifdef CONFIG_PREEMPT
+resume_kernel:
+ disable_irq
+ lw r8, [r28, TI_PRE_COUNT]
+ cmpz.c r8
+ bne r8, restore_all
+need_resched:
+ lw r8, [r28, TI_FLAGS]
+ andri.c r9, r8, _TIF_NEED_RESCHED
+ beq restore_all
+ lw r8, [r28, PT_PSR] # Interrupts off?
+ andri.c r8, r8, 1
+ beq restore_all
+ bl preempt_schedule_irq
+ nop
+ j need_resched
+ nop
+#endif
+
+ENTRY(ret_from_fork)
+ bl schedule_tail # r4=struct task_struct *prev
+
+ENTRY(syscall_exit)
+ nop
+ disable_irq
+ lw r6, [r28, TI_FLAGS] # current->work
+ li r8, _TIF_WORK_MASK
+ and.c r8, r6, r8
+ bne syscall_exit_work
+
+ENTRY(restore_all) # restore full frame
+ RESTORE_ALL_AND_RET
+
+work_pending:
+ andri.c r8, r6, _TIF_NEED_RESCHED # r6 is preloaded with TI_FLAGS
+ beq work_notifysig
+work_resched:
+ bl schedule
+ nop
+ disable_irq
+ lw r6, [r28, TI_FLAGS]
+ li r8, _TIF_WORK_MASK
+ and.c r8, r6, r8 # is there any work to be done
+ # other than syscall tracing?
+ beq restore_all
+ andri.c r8, r6, _TIF_NEED_RESCHED
+ bne work_resched
+
+work_notifysig:
+ mv r4, r0
+ li r5, 0
+ bl do_notify_resume # r6 already loaded
+ nop
+ j resume_userspace
+ nop
+
+ENTRY(syscall_exit_work)
+ li r8, _TIF_SYSCALL_TRACE
+ and.c r8, r8, r6 # r6 is preloaded with TI_FLAGS
+ beq work_pending # trace bit set?
+ nop
+ enable_irq
+ mv r4, r0
+ li r5, 1
+ bl do_syscall_trace
+ nop
+ b resume_userspace
+ nop
+
+.macro save_context reg
+ sw r12, [\reg, THREAD_REG12];
+ sw r13, [\reg, THREAD_REG13];
+ sw r14, [\reg, THREAD_REG14];
+ sw r15, [\reg, THREAD_REG15];
+ sw r16, [\reg, THREAD_REG16];
+ sw r17, [\reg, THREAD_REG17];
+ sw r18, [\reg, THREAD_REG18];
+ sw r19, [\reg, THREAD_REG19];
+ sw r20, [\reg, THREAD_REG20];
+ sw r21, [\reg, THREAD_REG21];
+ sw r29, [\reg, THREAD_REG29];
+ sw r2, [\reg, THREAD_REG2];
+ sw r0, [\reg, THREAD_REG0]
+.endm
+
+.macro restore_context reg
+ lw r12, [\reg, THREAD_REG12];
+ lw r13, [\reg, THREAD_REG13];
+ lw r14, [\reg, THREAD_REG14];
+ lw r15, [\reg, THREAD_REG15];
+ lw r16, [\reg, THREAD_REG16];
+ lw r17, [\reg, THREAD_REG17];
+ lw r18, [\reg, THREAD_REG18];
+ lw r19, [\reg, THREAD_REG19];
+ lw r20, [\reg, THREAD_REG20];
+ lw r21, [\reg, THREAD_REG21];
+ lw r29, [\reg, THREAD_REG29];
+ lw r0, [\reg, THREAD_REG0];
+ lw r2, [\reg, THREAD_REG2];
+ lw r3, [\reg, THREAD_REG3]
+.endm
+
+/*
+ * task_struct *resume(task_struct *prev, task_struct *next,
+ * struct thread_info *next_ti)
+ */
+ENTRY(resume)
+ mfcr r9, cr0
+ nop
+ nop
+ sw r9, [r4, THREAD_PSR]
+ save_context r4
+ sw r3, [r4, THREAD_REG3]
+
+ mv r28, r6
+ restore_context r5
+ mv r8, r6
+ addi r8, KERNEL_STACK_SIZE
+ subi r8, 32
+ la r9, kernelsp;
+ sw r8, [r9];
+
+ mfcr r9, cr0
+ ldis r7, 0x00ff
+ nop
+ and r9, r9, r7
+ lw r6, [r5, THREAD_PSR]
+ not r7, r7
+ and r6, r6, r7
+ or r6, r6, r9
+ mtcr r6, cr0
+ nop; nop; nop; nop; nop
+ br r3
+
+ENTRY(handle_sys)
+ SAVE_ALL
+ enable_irq
+
+ sw r4, [r0, PT_ORIG_R4] #for restart syscall
+ sw r7, [r0, PT_ORIG_R7] #for restart syscall
+ sw r27, [r0, PT_IS_SYSCALL] # it from syscall
+
+ lw r9, [r0, PT_EPC] # skip syscall on return
+ addi r9, 4
+ sw r9, [r0, PT_EPC]
+
+ cmpi.c r27, __NR_syscalls # check syscall number
+ bgtu illegal_syscall
+
+ slli r8, r27, 3 # get syscall routine
+ la r11, sys_call_table
+ add r11, r11, r8
+ lw r10, [r11] # get syscall entry
+ lw r11, [r11, 4] # get number of args
+
+ cmpz.c r10
+ beq illegal_syscall
+
+ cmpi.c r11, 4 # more than 4 arguments?
+ bgtu stackargs
+
+stack_done:
+ lw r8, [r28, TI_FLAGS]
+ li r9, _TIF_SYSCALL_TRACE
+ and.c r8, r8, r9
+ bne syscall_trace_entry
+
+ brl r10 # Do The Real system call
+
+ cmpi.c r4, 0
+ blt 1f
+ ldi r8, 0
+ sw r8, [r0, PT_R7]
+ b 2f
+1:
+ cmpi.c r4, -EMAXERRNO-1 # -EMAXERRNO - 1=-1134
+ ble 2f
+ ldi r8, 0x1;
+ sw r8, [r0, PT_R7]
+ neg r4, r4
+2:
+ sw r4, [r0, PT_R4] # save result
+
+syscall_return:
+ disable_irq
+ lw r6, [r28, TI_FLAGS] # current->work
+ li r8, _TIF_WORK_MASK
+ and.c r8, r6, r8
+ bne syscall_return_work
+ j restore_all
+
+syscall_return_work:
+ j syscall_exit_work
+
+syscall_trace_entry:
+ mv r16, r10
+ mv r4, r0
+ li r5, 0
+ bl do_syscall_trace
+
+ mv r8, r16
+ lw r4, [r0, PT_R4] # Restore argument registers
+ lw r5, [r0, PT_R5]
+ lw r6, [r0, PT_R6]
+ lw r7, [r0, PT_R7]
+ brl r8
+
+ li r8, -EMAXERRNO - 1 # error?
+ sw r8, [r0, PT_R7] # set error flag
+
+ neg r4, r4 # error
+ sw r4, [r0, PT_R0] # set flag for syscall
+ # restarting
+1: sw r4, [r0, PT_R2] # result
+ j syscall_exit
+
+stackargs:
+ lw r8, [r0, PT_R0]
+ andri.c r9, r8, 3 # test whether user sp is align a word
+ bne bad_stack
+ subi r11, 5
+ slli r9, r11, 2
+ add.c r9, r9, r8
+
+ bmi bad_stack
+ la r9, 3f # calculate branch address
+ slli r11, r11, 3
+ sub r9, r9, r11
+ br r9
+
+2: lw r9, [r8, 20] # argument 6 from usp
+ sw r9, [r0, 20]
+
+3: lw r9, [r8, 16] # argument 5 from usp
+ sw r9, [r0, 16]
+ j stack_done
+
+ .section __ex_table,"a"
+ .word 2b, bad_stack
+ .word 3b, bad_stack
+ .previous
+
+ /*
+ * The stackpointer for a call with more than 4 arguments is bad.
+ * We probably should handle this case a bit more drastic.
+ */
+bad_stack:
+ neg r27, r27 # error
+ sw r27, [r0, PT_ORIG_R4]
+ sw r27, [r0, PT_R4]
+ ldi r8, 1 # set error flag
+ sw r8, [r0, PT_R7]
+ j syscall_return
+
+illegal_syscall:
+ ldi r4, -ENOSYS # error
+ sw r4, [r0, PT_ORIG_R4]
+ sw r4, [r0, PT_R4]
+ ldi r9, 1 # set error flag
+ sw r9, [r0, PT_R7]
+ j syscall_return
+
+ENTRY(sys_execve)
+ mv r4, r0
+ la r8, score_execve
+ br r8
+
+ENTRY(sys_clone)
+ mv r4, r0
+ la r8, score_clone
+ br r8
+
+ENTRY(sys_rt_sigreturn)
+ mv r4, r0
+ la r8, score_rt_sigreturn
+ br r8
+
+ENTRY(sys_sigaltstack)
+ mv r4, r0
+ la r8, score_sigaltstack
+ br r8
diff --git a/arch/score/kernel/head.S b/arch/score/kernel/head.S
new file mode 100644
index 000000000000..22a7e3c7292b
--- /dev/null
+++ b/arch/score/kernel/head.S
@@ -0,0 +1,70 @@
+/*
+ * arch/score/kernel/head.S
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/init.h>
+#include <linux/linkage.h>
+
+#include <asm/asm-offsets.h>
+
+ .extern start_kernel
+ .global init_thread_union
+ .global kernelsp
+
+__INIT
+ENTRY(_stext)
+ la r30, __bss_start /* initialize BSS segment. */
+ la r31, _end
+ xor r8, r8, r8
+
+1: cmp.c r31, r30
+ beq 2f
+
+ sw r8, [r30] /* clean memory. */
+ addi r30, 4
+ b 1b
+
+2: la r28, init_thread_union /* set kernel stack. */
+ mv r0, r28
+ addi r0, KERNEL_STACK_SIZE - 32
+ la r30, kernelsp
+ sw r0, [r30]
+ subi r0, 4*4
+ xor r30, r30, r30
+ ori r30, 0x02 /* enable MMU. */
+ mtcr r30, cr4
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+
+ /* there is no parameter */
+ xor r4, r4, r4
+ xor r5, r5, r5
+ xor r6, r6, r6
+ xor r7, r7, r7
+ la r30, start_kernel /* jump to init_arch */
+ br r30
diff --git a/arch/score/kernel/init_task.c b/arch/score/kernel/init_task.c
new file mode 100644
index 000000000000..9eecde00932f
--- /dev/null
+++ b/arch/score/kernel/init_task.c
@@ -0,0 +1,49 @@
+/*
+ * arch/score/kernel/init_task.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init_task.h>
+#include <linux/mqueue.h>
+
+static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
+static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
+struct mm_struct init_mm = INIT_MM(init_mm);
+EXPORT_SYMBOL(init_mm);
+
+/*
+ * Initial thread structure.
+ *
+ * We need to make sure that this is THREAD_SIZE aligned due to the
+ * way process stacks are handled. This is done by having a special
+ * "init_task" linker map entry..
+ */
+union thread_union init_thread_union
+ __attribute__((__section__(".data.init_task"))) =
+ { INIT_THREAD_INFO(init_task) };
+
+/*
+ * Initial task structure.
+ *
+ * All other task structs will be allocated on slabs in fork.c
+ */
+struct task_struct init_task = INIT_TASK(init_task);
+EXPORT_SYMBOL(init_task);
diff --git a/arch/score/kernel/irq.c b/arch/score/kernel/irq.c
new file mode 100644
index 000000000000..55474e8e9725
--- /dev/null
+++ b/arch/score/kernel/irq.c
@@ -0,0 +1,135 @@
+/*
+ * arch/score/kernel/irq.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/seq_file.h>
+
+#include <asm/io.h>
+
+/*
+ * handles all normal device IRQs
+ */
+asmlinkage void do_IRQ(int irq)
+{
+ irq_enter();
+ generic_handle_irq(irq);
+ irq_exit();
+}
+
+static void score_mask(unsigned int irq_nr)
+{
+ unsigned int irq_source = 63 - irq_nr;
+
+ if (irq_source < 32)
+ __raw_writel((__raw_readl((void *)P_INT_MASKL) | \
+ (1 << irq_source)), (void *)P_INT_MASKL);
+ else
+ __raw_writel((__raw_readl((void *)P_INT_MASKH) | \
+ (1 << (irq_source - 32))), (void *)P_INT_MASKH);
+}
+
+static void score_unmask(unsigned int irq_nr)
+{
+ unsigned int irq_source = 63 - irq_nr;
+
+ if (irq_source < 32)
+ __raw_writel((__raw_readl((void *)P_INT_MASKL) & \
+ ~(1 << irq_source)), (void *)P_INT_MASKL);
+ else
+ __raw_writel((__raw_readl((void *)P_INT_MASKH) & \
+ ~(1 << (irq_source - 32))), (void *)P_INT_MASKH);
+}
+
+struct irq_chip score_irq_chip = {
+ .name = "Score7-level",
+ .mask = score_mask,
+ .mask_ack = score_mask,
+ .unmask = score_unmask,
+};
+
+/*
+ * initialise the interrupt system
+ */
+void __init init_IRQ(void)
+{
+ int index;
+ unsigned long target_addr;
+
+ for (index = 0; index < NR_IRQS; ++index)
+ set_irq_chip_and_handler(index, &score_irq_chip,
+ handle_level_irq);
+
+ for (target_addr = IRQ_VECTOR_BASE_ADDR;
+ target_addr <= IRQ_VECTOR_END_ADDR;
+ target_addr += IRQ_VECTOR_SIZE)
+ memcpy((void *)target_addr, \
+ interrupt_exception_vector, IRQ_VECTOR_SIZE);
+
+ __raw_writel(0xffffffff, (void *)P_INT_MASKL);
+ __raw_writel(0xffffffff, (void *)P_INT_MASKH);
+
+ __asm__ __volatile__(
+ "mtcr %0, cr3\n\t"
+ : : "r" (EXCEPTION_VECTOR_BASE_ADDR | \
+ VECTOR_ADDRESS_OFFSET_MODE16));
+}
+
+/*
+ * Generic, controller-independent functions:
+ */
+int show_interrupts(struct seq_file *p, void *v)
+{
+ int i = *(loff_t *)v, cpu;
+ struct irqaction *action;
+ unsigned long flags;
+
+ if (i == 0) {
+ seq_puts(p, " ");
+ for_each_online_cpu(cpu)
+ seq_printf(p, "CPU%d ", cpu);
+ seq_putc(p, '\n');
+ }
+
+ if (i < NR_IRQS) {
+ spin_lock_irqsave(&irq_desc[i].lock, flags);
+ action = irq_desc[i].action;
+ if (!action)
+ goto unlock;
+
+ seq_printf(p, "%3d: ", i);
+ seq_printf(p, "%10u ", kstat_irqs(i));
+ seq_printf(p, " %8s", irq_desc[i].chip->name ? : "-");
+ seq_printf(p, " %s", action->name);
+ for (action = action->next; action; action = action->next)
+ seq_printf(p, ", %s", action->name);
+
+ seq_putc(p, '\n');
+unlock:
+ spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+ }
+
+ return 0;
+}
diff --git a/arch/score/kernel/module.c b/arch/score/kernel/module.c
new file mode 100644
index 000000000000..4ffce7fe1560
--- /dev/null
+++ b/arch/score/kernel/module.c
@@ -0,0 +1,164 @@
+/*
+ * arch/score/kernel/module.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/vmalloc.h>
+
+void *module_alloc(unsigned long size)
+{
+ return size ? vmalloc(size) : NULL;
+}
+
+/* Free memory returned from module_alloc */
+void module_free(struct module *mod, void *module_region)
+{
+ vfree(module_region);
+}
+
+int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
+ char *secstrings, struct module *mod)
+{
+ return 0;
+}
+
+int apply_relocate(Elf_Shdr *sechdrs, const char *strtab,
+ unsigned int symindex, unsigned int relindex,
+ struct module *me)
+{
+ Elf32_Shdr *symsec = sechdrs + symindex;
+ Elf32_Shdr *relsec = sechdrs + relindex;
+ Elf32_Shdr *dstsec = sechdrs + relsec->sh_info;
+ Elf32_Rel *rel = (void *)relsec->sh_addr;
+ unsigned int i;
+
+ for (i = 0; i < relsec->sh_size / sizeof(Elf32_Rel); i++, rel++) {
+ unsigned long loc;
+ Elf32_Sym *sym;
+ s32 offset;
+
+ offset = ELF32_R_SYM(rel->r_info);
+ if ((offset < 0) ||
+ (offset > (symsec->sh_size / sizeof(Elf32_Sym)))) {
+ printk(KERN_ERR "%s: bad relocation, section %d reloc %d\n",
+ me->name, relindex, i);
+ return -ENOEXEC;
+ }
+
+ sym = ((Elf32_Sym *)symsec->sh_addr) + offset;
+
+ if ((rel->r_offset < 0) ||
+ (rel->r_offset > dstsec->sh_size - sizeof(u32))) {
+ printk(KERN_ERR "%s: out of bounds relocation, "
+ "section %d reloc %d offset %d size %d\n",
+ me->name, relindex, i, rel->r_offset,
+ dstsec->sh_size);
+ return -ENOEXEC;
+ }
+
+ loc = dstsec->sh_addr + rel->r_offset;
+ switch (ELF32_R_TYPE(rel->r_info)) {
+ case R_SCORE_NONE:
+ break;
+ case R_SCORE_ABS32:
+ *(unsigned long *)loc += sym->st_value;
+ break;
+ case R_SCORE_HI16:
+ break;
+ case R_SCORE_LO16: {
+ unsigned long hi16_offset, offset;
+ unsigned long uvalue;
+ unsigned long temp, temp_hi;
+ temp_hi = *((unsigned long *)loc - 1);
+ temp = *(unsigned long *)loc;
+
+ hi16_offset = (((((temp_hi) >> 16) & 0x3) << 15) |
+ ((temp_hi) & 0x7fff)) >> 1;
+ offset = ((temp >> 16 & 0x03) << 15) |
+ ((temp & 0x7fff) >> 1);
+ offset = (hi16_offset << 16) | (offset & 0xffff);
+ uvalue = sym->st_value + offset;
+ hi16_offset = (uvalue >> 16) << 1;
+
+ temp_hi = ((temp_hi) & (~(0x37fff))) |
+ (hi16_offset & 0x7fff) |
+ ((hi16_offset << 1) & 0x30000);
+ *((unsigned long *)loc - 1) = temp_hi;
+
+ offset = (uvalue & 0xffff) << 1;
+ temp = (temp & (~(0x37fff))) | (offset & 0x7fff) |
+ ((offset << 1) & 0x30000);
+ *(unsigned long *)loc = temp;
+ break;
+ }
+ case R_SCORE_24: {
+ unsigned long hi16_offset, offset;
+ unsigned long uvalue;
+ unsigned long temp;
+
+ temp = *(unsigned long *)loc;
+ offset = (temp & 0x03FF7FFE);
+ hi16_offset = (offset & 0xFFFF0000);
+ offset = (hi16_offset | ((offset & 0xFFFF) << 1)) >> 2;
+
+ uvalue = (sym->st_value + offset) >> 1;
+ uvalue = uvalue & 0x00ffffff;
+
+ temp = (temp & 0xfc008001) |
+ ((uvalue << 2) & 0x3ff0000) |
+ ((uvalue & 0x3fff) << 1);
+ *(unsigned long *)loc = temp;
+ break;
+ }
+ default:
+ printk(KERN_ERR "%s: unknown relocation: %u\n",
+ me->name, ELF32_R_TYPE(rel->r_info));
+ return -ENOEXEC;
+ }
+ }
+
+ return 0;
+}
+
+int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
+ unsigned int symindex, unsigned int relsec,
+ struct module *me)
+{
+ return 0;
+}
+
+/* Given an address, look for it in the module exception tables. */
+const struct exception_table_entry *search_module_dbetables(unsigned long addr)
+{
+ return 0;
+}
+
+/* Put in dbe list if necessary. */
+int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
+ struct module *me)
+{
+ return 0;
+}
+
+void module_arch_cleanup(struct module *mod) {}
diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
new file mode 100644
index 000000000000..aaa3085251fa
--- /dev/null
+++ b/arch/score/kernel/process.c
@@ -0,0 +1,165 @@
+/*
+ * arch/score/kernel/process.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+
+void (*pm_power_off)(void);
+EXPORT_SYMBOL(pm_power_off);
+
+/* If or when software machine-restart is implemented, add code here. */
+void machine_restart(char *command) {}
+
+/* If or when software machine-halt is implemented, add code here. */
+void machine_halt(void) {}
+
+/* If or when software machine-power-off is implemented, add code here. */
+void machine_power_off(void) {}
+
+/*
+ * The idle thread. There's no useful work to be
+ * done, so just try to conserve power and have a
+ * low exit latency (ie sit in a loop waiting for
+ * somebody to say that they'd like to reschedule)
+ */
+void __noreturn cpu_idle(void)
+{
+ /* endless idle loop with no priority at all */
+ while (1) {
+ while (!need_resched())
+ barrier();
+
+ preempt_enable_no_resched();
+ schedule();
+ preempt_disable();
+ }
+}
+
+asmlinkage void ret_from_fork(void);
+
+void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp)
+{
+ unsigned long status;
+
+ /* New thread loses kernel privileges. */
+ status = regs->cp0_psr & ~(KU_MASK);
+ status |= KU_USER;
+ regs->cp0_psr = status;
+ regs->cp0_epc = pc;
+ regs->regs[0] = sp;
+}
+
+void exit_thread(void) {}
+
+/*
+ * When a process does an "exec", machine state like FPU and debug
+ * registers need to be reset. This is a hook function for that.
+ * Currently we don't have any such state to reset, so this is empty.
+ */
+void flush_thread(void) {}
+
+/*
+ * set up the kernel stack and exception frames for a new process
+ */
+int copy_thread(unsigned long clone_flags, unsigned long usp,
+ unsigned long unused,
+ struct task_struct *p, struct pt_regs *regs)
+{
+ struct thread_info *ti = task_thread_info(p);
+ struct pt_regs *childregs = task_pt_regs(p);
+
+ p->set_child_tid = NULL;
+ p->clear_child_tid = NULL;
+
+ *childregs = *regs;
+ childregs->regs[7] = 0; /* Clear error flag */
+ childregs->regs[4] = 0; /* Child gets zero as return value */
+ regs->regs[4] = p->pid;
+
+ if (childregs->cp0_psr & 0x8) { /* test kernel fork or user fork */
+ childregs->regs[0] = usp; /* user fork */
+ } else {
+ childregs->regs[28] = (unsigned long) ti; /* kernel fork */
+ childregs->regs[0] = (unsigned long) childregs;
+ }
+
+ p->thread.reg0 = (unsigned long) childregs;
+ p->thread.reg3 = (unsigned long) ret_from_fork;
+ p->thread.cp0_psr = 0;
+
+ return 0;
+}
+
+/* Fill in the fpu structure for a core dump. */
+int dump_fpu(struct pt_regs *regs, elf_fpregset_t *r)
+{
+ return 1;
+}
+
+static void __noreturn
+kernel_thread_helper(void *unused0, int (*fn)(void *),
+ void *arg, void *unused1)
+{
+ do_exit(fn(arg));
+}
+
+/*
+ * Create a kernel thread.
+ */
+long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
+{
+ struct pt_regs regs;
+
+ memset(®s, 0, sizeof(regs));
+
+ regs.regs[6] = (unsigned long) arg;
+ regs.regs[5] = (unsigned long) fn;
+ regs.cp0_epc = (unsigned long) kernel_thread_helper;
+ regs.cp0_psr = (regs.cp0_psr & ~(0x1|0x4|0x8)) | \
+ ((regs.cp0_psr & 0x3) << 2);
+
+ return do_fork(flags | CLONE_VM | CLONE_UNTRACED, \
+ 0, ®s, 0, NULL, NULL);
+}
+
+unsigned long thread_saved_pc(struct task_struct *tsk)
+{
+ return task_pt_regs(tsk)->cp0_epc;
+}
+
+unsigned long get_wchan(struct task_struct *task)
+{
+ if (!task || task == current || task->state == TASK_RUNNING)
+ return 0;
+
+ if (!task_stack_page(task))
+ return 0;
+
+ return task_pt_regs(task)->cp0_epc;
+}
+
+unsigned long arch_align_stack(unsigned long sp)
+{
+ return sp;
+}
diff --git a/arch/score/kernel/ptrace.c b/arch/score/kernel/ptrace.c
new file mode 100644
index 000000000000..8fe7209355aa
--- /dev/null
+++ b/arch/score/kernel/ptrace.c
@@ -0,0 +1,465 @@
+/*
+ * arch/score/kernel/ptrace.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/ptrace.h>
+
+#include <asm/uaccess.h>
+
+static int is_16bitinsn(unsigned long insn)
+{
+ if ((insn & INSN32_MASK) == INSN32_MASK)
+ return 0;
+ else
+ return 1;
+}
+
+int
+read_tsk_long(struct task_struct *child,
+ unsigned long addr, unsigned long *res)
+{
+ int copied;
+
+ copied = access_process_vm(child, addr, res, sizeof(*res), 0);
+
+ return copied != sizeof(*res) ? -EIO : 0;
+}
+
+int
+read_tsk_short(struct task_struct *child,
+ unsigned long addr, unsigned short *res)
+{
+ int copied;
+
+ copied = access_process_vm(child, addr, res, sizeof(*res), 0);
+
+ return copied != sizeof(*res) ? -EIO : 0;
+}
+
+static int
+write_tsk_short(struct task_struct *child,
+ unsigned long addr, unsigned short val)
+{
+ int copied;
+
+ copied = access_process_vm(child, addr, &val, sizeof(val), 1);
+
+ return copied != sizeof(val) ? -EIO : 0;
+}
+
+static int
+write_tsk_long(struct task_struct *child,
+ unsigned long addr, unsigned long val)
+{
+ int copied;
+
+ copied = access_process_vm(child, addr, &val, sizeof(val), 1);
+
+ return copied != sizeof(val) ? -EIO : 0;
+}
+
+void set_single_step(struct task_struct *child)
+{
+ /* far_epc is the target of branch */
+ unsigned int epc, far_epc = 0;
+ unsigned long epc_insn, far_epc_insn;
+ int ninsn_type; /* next insn type 0=16b, 1=32b */
+ unsigned int tmp, tmp2;
+ struct pt_regs *regs = task_pt_regs(child);
+ child->thread.single_step = 1;
+ child->thread.ss_nextcnt = 1;
+ epc = regs->cp0_epc;
+
+ read_tsk_long(child, epc, &epc_insn);
+
+ if (is_16bitinsn(epc_insn)) {
+ if ((epc_insn & J16M) == J16) {
+ tmp = epc_insn & 0xFFE;
+ epc = (epc & 0xFFFFF000) | tmp;
+ } else if ((epc_insn & B16M) == B16) {
+ child->thread.ss_nextcnt = 2;
+ tmp = (epc_insn & 0xFF) << 1;
+ tmp = tmp << 23;
+ tmp = (unsigned int)((int) tmp >> 23);
+ far_epc = epc + tmp;
+ epc += 2;
+ } else if ((epc_insn & BR16M) == BR16) {
+ child->thread.ss_nextcnt = 2;
+ tmp = (epc_insn >> 4) & 0xF;
+ far_epc = regs->regs[tmp];
+ epc += 2;
+ } else
+ epc += 2;
+ } else {
+ if ((epc_insn & J32M) == J32) {
+ tmp = epc_insn & 0x03FFFFFE;
+ tmp2 = tmp & 0x7FFF;
+ tmp = (((tmp >> 16) & 0x3FF) << 15) | tmp2;
+ epc = (epc & 0xFFC00000) | tmp;
+ } else if ((epc_insn & B32M) == B32) {
+ child->thread.ss_nextcnt = 2;
+ tmp = epc_insn & 0x03FFFFFE; /* discard LK bit */
+ tmp2 = tmp & 0x3FF;
+ tmp = (((tmp >> 16) & 0x3FF) << 10) | tmp2; /* 20bit */
+ tmp = tmp << 12;
+ tmp = (unsigned int)((int) tmp >> 12);
+ far_epc = epc + tmp;
+ epc += 4;
+ } else if ((epc_insn & BR32M) == BR32) {
+ child->thread.ss_nextcnt = 2;
+ tmp = (epc_insn >> 16) & 0x1F;
+ far_epc = regs->regs[tmp];
+ epc += 4;
+ } else
+ epc += 4;
+ }
+
+ if (child->thread.ss_nextcnt == 1) {
+ read_tsk_long(child, epc, &epc_insn);
+
+ if (is_16bitinsn(epc_insn)) {
+ write_tsk_short(child, epc, SINGLESTEP16_INSN);
+ ninsn_type = 0;
+ } else {
+ write_tsk_long(child, epc, SINGLESTEP32_INSN);
+ ninsn_type = 1;
+ }
+
+ if (ninsn_type == 0) { /* 16bits */
+ child->thread.insn1_type = 0;
+ child->thread.addr1 = epc;
+ /* the insn may have 32bit data */
+ child->thread.insn1 = (short)epc_insn;
+ } else {
+ child->thread.insn1_type = 1;
+ child->thread.addr1 = epc;
+ child->thread.insn1 = epc_insn;
+ }
+ } else {
+ /* branch! have two target child->thread.ss_nextcnt=2 */
+ read_tsk_long(child, epc, &epc_insn);
+ read_tsk_long(child, far_epc, &far_epc_insn);
+ if (is_16bitinsn(epc_insn)) {
+ write_tsk_short(child, epc, SINGLESTEP16_INSN);
+ ninsn_type = 0;
+ } else {
+ write_tsk_long(child, epc, SINGLESTEP32_INSN);
+ ninsn_type = 1;
+ }
+
+ if (ninsn_type == 0) { /* 16bits */
+ child->thread.insn1_type = 0;
+ child->thread.addr1 = epc;
+ /* the insn may have 32bit data */
+ child->thread.insn1 = (short)epc_insn;
+ } else {
+ child->thread.insn1_type = 1;
+ child->thread.addr1 = epc;
+ child->thread.insn1 = epc_insn;
+ }
+
+ if (is_16bitinsn(far_epc_insn)) {
+ write_tsk_short(child, far_epc, SINGLESTEP16_INSN);
+ ninsn_type = 0;
+ } else {
+ write_tsk_long(child, far_epc, SINGLESTEP32_INSN);
+ ninsn_type = 1;
+ }
+
+ if (ninsn_type == 0) { /* 16bits */
+ child->thread.insn2_type = 0;
+ child->thread.addr2 = far_epc;
+ /* the insn may have 32bit data */
+ child->thread.insn2 = (short)far_epc_insn;
+ } else {
+ child->thread.insn2_type = 1;
+ child->thread.addr2 = far_epc;
+ child->thread.insn2 = far_epc_insn;
+ }
+ }
+}
+
+void clear_single_step(struct task_struct *child)
+{
+ if (child->thread.insn1_type == 0)
+ write_tsk_short(child, child->thread.addr1,
+ child->thread.insn1);
+
+ if (child->thread.insn1_type == 1)
+ write_tsk_long(child, child->thread.addr1,
+ child->thread.insn1);
+
+ if (child->thread.ss_nextcnt == 2) { /* branch */
+ if (child->thread.insn1_type == 0)
+ write_tsk_short(child, child->thread.addr1,
+ child->thread.insn1);
+ if (child->thread.insn1_type == 1)
+ write_tsk_long(child, child->thread.addr1,
+ child->thread.insn1);
+ if (child->thread.insn2_type == 0)
+ write_tsk_short(child, child->thread.addr2,
+ child->thread.insn2);
+ if (child->thread.insn2_type == 1)
+ write_tsk_long(child, child->thread.addr2,
+ child->thread.insn2);
+ }
+
+ child->thread.single_step = 0;
+ child->thread.ss_nextcnt = 0;
+}
+
+
+void ptrace_disable(struct task_struct *child) {}
+
+long
+arch_ptrace(struct task_struct *child, long request, long addr, long data)
+{
+ int ret;
+
+ if (request == PTRACE_TRACEME) {
+ /* are we already being traced? */
+ if (current->ptrace & PT_PTRACED)
+ return -EPERM;
+
+ /* set the ptrace bit in the process flags. */
+ current->ptrace |= PT_PTRACED;
+ return 0;
+ }
+
+ ret = -ESRCH;
+ if (!child)
+ return ret;
+
+ ret = -EPERM;
+
+ if (request == PTRACE_ATTACH) {
+ ret = ptrace_attach(child);
+ return ret;
+ }
+
+ ret = ptrace_check_attach(child, request == PTRACE_KILL);
+ if (ret < 0)
+ return ret;
+
+ switch (request) {
+ case PTRACE_PEEKTEXT: /* read word at location addr. */
+ case PTRACE_PEEKDATA: {
+ unsigned long tmp;
+ int copied;
+
+ copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
+ ret = -EIO;
+ if (copied != sizeof(tmp))
+ break;
+
+ ret = put_user(tmp, (unsigned long *) data);
+ return ret;
+ }
+
+ /* Read the word at location addr in the USER area. */
+ case PTRACE_PEEKUSR: {
+ struct pt_regs *regs;
+ unsigned long tmp;
+
+ regs = task_pt_regs(child);
+
+ tmp = 0; /* Default return value. */
+ switch (addr) {
+ case 0 ... 31:
+ tmp = regs->regs[addr];
+ break;
+ case PC:
+ tmp = regs->cp0_epc;
+ break;
+ case ECR:
+ tmp = regs->cp0_ecr;
+ break;
+ case EMA:
+ tmp = regs->cp0_ema;
+ break;
+ case CEH:
+ tmp = regs->ceh;
+ break;
+ case CEL:
+ tmp = regs->cel;
+ break;
+ case CONDITION:
+ tmp = regs->cp0_condition;
+ break;
+ case PSR:
+ tmp = regs->cp0_psr;
+ break;
+ case COUNTER:
+ tmp = regs->sr0;
+ break;
+ case LDCR:
+ tmp = regs->sr1;
+ break;
+ case STCR:
+ tmp = regs->sr2;
+ break;
+ default:
+ tmp = 0;
+ return -EIO;
+ }
+
+ ret = put_user(tmp, (unsigned long *) data);
+ return ret;
+ }
+
+ case PTRACE_POKETEXT: /* write the word at location addr. */
+ case PTRACE_POKEDATA:
+ ret = 0;
+ if (access_process_vm(child, addr, &data, sizeof(data), 1)
+ == sizeof(data))
+ break;
+ ret = -EIO;
+ return ret;
+
+ case PTRACE_POKEUSR: {
+ struct pt_regs *regs;
+ ret = 0;
+ regs = task_pt_regs(child);
+
+ switch (addr) {
+ case 0 ... 31:
+ regs->regs[addr] = data;
+ break;
+ case PC:
+ regs->cp0_epc = data;
+ break;
+ case CEH:
+ regs->ceh = data;
+ break;
+ case CEL:
+ regs->cel = data;
+ break;
+ case CONDITION:
+ regs->cp0_condition = data;
+ break;
+ case PSR:
+ case COUNTER:
+ case STCR:
+ case LDCR:
+ break; /* user can't write the reg */
+ default:
+ /* The rest are not allowed. */
+ ret = -EIO;
+ break;
+ }
+ break;
+ }
+
+ case PTRACE_SYSCALL: /* continue and stop at next
+ (return from) syscall. */
+ case PTRACE_CONT: { /* restart after signal. */
+ ret = -EIO;
+ if (!valid_signal(data))
+ break;
+ if (request == PTRACE_SYSCALL)
+ set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+ else
+ clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+
+ child->exit_code = data;
+ wake_up_process(child);
+ ret = 0;
+ break;
+ }
+
+ /*
+ * make the child exit. Best I can do is send it a sigkill.
+ * perhaps it should be put in the status that it wants to
+ * exit.
+ */
+ case PTRACE_KILL:
+ ret = 0;
+ if (child->state == EXIT_ZOMBIE) /* already dead. */
+ break;
+ child->exit_code = SIGKILL;
+ clear_single_step(child);
+ wake_up_process(child);
+ break;
+
+ case PTRACE_SINGLESTEP: { /* set the trap flag. */
+ ret = -EIO;
+ if ((unsigned long) data > _NSIG)
+ break;
+ clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+ set_single_step(child);
+ child->exit_code = data;
+ /* give it a chance to run. */
+ wake_up_process(child);
+ ret = 0;
+ break;
+ }
+
+ case PTRACE_DETACH: /* detach a process that was attached. */
+ ret = ptrace_detach(child, data);
+ break;
+
+ case PTRACE_SETOPTIONS:
+ if (data & PTRACE_O_TRACESYSGOOD)
+ child->ptrace |= PT_TRACESYSGOOD;
+ else
+ child->ptrace &= ~PT_TRACESYSGOOD;
+ ret = 0;
+ break;
+
+ default:
+ ret = -EIO;
+ break;
+ }
+
+ return ret;
+}
+
+/*
+ * Notification of system call entry/exit
+ * - triggered by current->work.syscall_trace
+ */
+asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
+{
+ if (!(current->ptrace & PT_PTRACED))
+ return;
+
+ if (!test_thread_flag(TIF_SYSCALL_TRACE))
+ return;
+
+ /* The 0x80 provides a way for the tracing parent to distinguish
+ between a syscall stop and SIGTRAP delivery. */
+ ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) ?
+ 0x80 : 0));
+
+ /*
+ * this isn't the same as continuing with a signal, but it will do
+ * for normal use. strace only continues with a signal if the
+ * stopping signal is not SIGTRAP. -brl
+ */
+ if (current->exit_code) {
+ send_sig(current->exit_code, current, 1);
+ current->exit_code = 0;
+ }
+}
diff --git a/arch/score/kernel/setup.c b/arch/score/kernel/setup.c
new file mode 100644
index 000000000000..a172ce170f62
--- /dev/null
+++ b/arch/score/kernel/setup.c
@@ -0,0 +1,157 @@
+/*
+ * arch/score/kernel/setup.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/bootmem.h>
+#include <linux/initrd.h>
+#include <linux/ioport.h>
+#include <linux/seq_file.h>
+#include <linux/screen_info.h>
+
+#include <asm-generic/sections.h>
+
+struct screen_info screen_info;
+unsigned long kernelsp;
+
+static char command_line[COMMAND_LINE_SIZE];
+static struct resource code_resource = { .name = "Kernel code",};
+static struct resource data_resource = { .name = "Kernel data",};
+
+static void __init bootmem_init(void)
+{
+ unsigned long reserved_end, bootmap_size;
+ unsigned long size = initrd_end - initrd_start;
+
+ reserved_end = (unsigned long)_end;
+
+ min_low_pfn = 0;
+ max_low_pfn = MEM_SIZE / PAGE_SIZE;
+
+ /* Initialize the boot-time allocator with low memory only. */
+ bootmap_size = init_bootmem_node(NODE_DATA(0), reserved_end,
+ min_low_pfn, max_low_pfn);
+ add_active_range(0, min_low_pfn, max_low_pfn);
+
+ free_bootmem(PFN_PHYS(reserved_end),
+ (max_low_pfn - reserved_end) << PAGE_SHIFT);
+ memory_present(0, reserved_end, max_low_pfn);
+
+ /* Reserve space for the bootmem bitmap. */
+ reserve_bootmem(PFN_PHYS(reserved_end), bootmap_size, BOOTMEM_DEFAULT);
+
+ if (size == 0) {
+ printk(KERN_INFO "Initrd not found or empty");
+ goto disable;
+ }
+
+ if (__pa(initrd_end) > PFN_PHYS(max_low_pfn)) {
+ printk(KERN_ERR "Initrd extends beyond end of memory");
+ goto disable;
+ }
+
+ /* Reserve space for the initrd bitmap. */
+ reserve_bootmem(__pa(initrd_start), size, BOOTMEM_DEFAULT);
+ initrd_below_start_ok = 1;
+
+ pr_info("Initial ramdisk at: 0x%lx (%lu bytes)\n",
+ initrd_start, size);
+ return;
+disable:
+ printk(KERN_CONT " - disabling initrd\n");
+ initrd_start = 0;
+ initrd_end = 0;
+}
+
+static void __init resource_init(void)
+{
+ struct resource *res;
+
+ code_resource.start = (unsigned long)_text;
+ code_resource.end = (unsigned long)_etext - 1;
+ data_resource.start = (unsigned long)_etext;
+ data_resource.end = (unsigned long)_edata - 1;
+
+ res = alloc_bootmem(sizeof(struct resource));
+ res->name = "System RAM";
+ res->start = 0;
+ res->end = MEM_SIZE - 1;
+ res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+ request_resource(&iomem_resource, res);
+
+ request_resource(res, &code_resource);
+ request_resource(res, &data_resource);
+}
+
+void __init setup_arch(char **cmdline_p)
+{
+ randomize_va_space = 0;
+ *cmdline_p = command_line;
+
+ cpu_cache_init();
+ tlb_init();
+ bootmem_init();
+ paging_init();
+ resource_init();
+}
+
+static int show_cpuinfo(struct seq_file *m, void *v)
+{
+ unsigned long n = (unsigned long) v - 1;
+
+ seq_printf(m, "processor\t\t: %ld\n", n);
+ seq_printf(m, "\n");
+
+ return 0;
+}
+
+static void *c_start(struct seq_file *m, loff_t *pos)
+{
+ unsigned long i = *pos;
+
+ return i < 1 ? (void *) (i + 1) : NULL;
+}
+
+static void *c_next(struct seq_file *m, void *v, loff_t *pos)
+{
+ ++*pos;
+ return c_start(m, pos);
+}
+
+static void c_stop(struct seq_file *m, void *v)
+{
+}
+
+const struct seq_operations cpuinfo_op = {
+ .start = c_start,
+ .next = c_next,
+ .stop = c_stop,
+ .show = show_cpuinfo,
+};
+
+static int __init topology_init(void)
+{
+ return 0;
+}
+
+subsys_initcall(topology_init);
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
new file mode 100644
index 000000000000..b4ed1b3f8072
--- /dev/null
+++ b/arch/score/kernel/signal.c
@@ -0,0 +1,355 @@
+/*
+ * arch/score/kernel/signal.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/errno.h>
+#include <linux/signal.h>
+#include <linux/unistd.h>
+#include <linux/uaccess.h>
+#include <asm-generic/ucontext.h>
+
+#include <asm/cacheflush.h>
+
+#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
+
+struct rt_sigframe {
+ u32 rs_ass[4]; /* argument save space */
+ u32 rs_code[2]; /* signal trampoline */
+ struct siginfo rs_info;
+ struct ucontext rs_uc;
+};
+
+int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
+{
+ int err = 0;
+ unsigned long reg;
+
+ reg = regs->cp0_epc; err |= __put_user(reg, &sc->sc_pc);
+ err |= __put_user(regs->cp0_psr, &sc->sc_psr);
+ err |= __put_user(regs->cp0_condition, &sc->sc_condition);
+
+
+#define save_gp_reg(i) { \
+ reg = regs->regs[i]; \
+ err |= __put_user(reg, &sc->sc_regs[i]); \
+} while (0)
+ save_gp_reg(0); save_gp_reg(1); save_gp_reg(2);
+ save_gp_reg(3); save_gp_reg(4); save_gp_reg(5);
+ save_gp_reg(6); save_gp_reg(7); save_gp_reg(8);
+ save_gp_reg(9); save_gp_reg(10); save_gp_reg(11);
+ save_gp_reg(12); save_gp_reg(13); save_gp_reg(14);
+ save_gp_reg(15); save_gp_reg(16); save_gp_reg(17);
+ save_gp_reg(18); save_gp_reg(19); save_gp_reg(20);
+ save_gp_reg(21); save_gp_reg(22); save_gp_reg(23);
+ save_gp_reg(24); save_gp_reg(25); save_gp_reg(26);
+ save_gp_reg(27); save_gp_reg(28); save_gp_reg(29);
+#undef save_gp_reg
+
+ reg = regs->ceh; err |= __put_user(reg, &sc->sc_mdceh);
+ reg = regs->cel; err |= __put_user(reg, &sc->sc_mdcel);
+ err |= __put_user(regs->cp0_ecr, &sc->sc_ecr);
+ err |= __put_user(regs->cp0_ema, &sc->sc_ema);
+
+ return err;
+}
+
+int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
+{
+ int err = 0;
+ u32 reg;
+
+ err |= __get_user(regs->cp0_epc, &sc->sc_pc);
+ err |= __get_user(regs->cp0_condition, &sc->sc_condition);
+
+ err |= __get_user(reg, &sc->sc_mdceh);
+ regs->ceh = (int) reg;
+ err |= __get_user(reg, &sc->sc_mdcel);
+ regs->cel = (int) reg;
+
+ err |= __get_user(reg, &sc->sc_psr);
+ regs->cp0_psr = (int) reg;
+ err |= __get_user(reg, &sc->sc_ecr);
+ regs->cp0_ecr = (int) reg;
+ err |= __get_user(reg, &sc->sc_ema);
+ regs->cp0_ema = (int) reg;
+
+#define restore_gp_reg(i) do { \
+ err |= __get_user(reg, &sc->sc_regs[i]); \
+ regs->regs[i] = reg; \
+} while (0)
+ restore_gp_reg(0); restore_gp_reg(1); restore_gp_reg(2);
+ restore_gp_reg(3); restore_gp_reg(4); restore_gp_reg(5);
+ restore_gp_reg(6); restore_gp_reg(7); restore_gp_reg(8);
+ restore_gp_reg(9); restore_gp_reg(10); restore_gp_reg(11);
+ restore_gp_reg(12); restore_gp_reg(13); restore_gp_reg(14);
+ restore_gp_reg(15); restore_gp_reg(16); restore_gp_reg(17);
+ restore_gp_reg(18); restore_gp_reg(19); restore_gp_reg(20);
+ restore_gp_reg(21); restore_gp_reg(22); restore_gp_reg(23);
+ restore_gp_reg(24); restore_gp_reg(25); restore_gp_reg(26);
+ restore_gp_reg(27); restore_gp_reg(28); restore_gp_reg(29);
+#undef restore_gp_reg
+
+ return err;
+}
+
+/*
+ * Determine which stack to use..
+ */
+void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
+ size_t frame_size)
+{
+ unsigned long sp;
+
+ /* Default to using normal stack */
+ sp = regs->regs[0];
+ sp -= 32;
+
+ /* This is the X/Open sanctioned signal stack switching. */
+ if ((ka->sa.sa_flags & SA_ONSTACK) && (!on_sig_stack(sp)))
+ sp = current->sas_ss_sp + current->sas_ss_size;
+
+ return (void *)((sp - frame_size) & ~7);
+}
+
+asmlinkage int score_sigaltstack(struct pt_regs *regs)
+{
+ const stack_t *uss = (const stack_t *) regs->regs[4];
+ stack_t *uoss = (stack_t *) regs->regs[5];
+ unsigned long usp = regs->regs[0];
+
+ return do_sigaltstack(uss, uoss, usp);
+}
+
+asmlinkage void score_rt_sigreturn(struct pt_regs *regs)
+{
+ struct rt_sigframe __user *frame;
+ sigset_t set;
+ stack_t st;
+ int sig;
+
+ frame = (struct rt_sigframe __user *) regs->regs[0];
+ if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ goto badframe;
+ if (__copy_from_user(&set, &frame->rs_uc.uc_sigmask, sizeof(set)))
+ goto badframe;
+
+ sigdelsetmask(&set, ~_BLOCKABLE);
+ spin_lock_irq(¤t->sighand->siglock);
+ current->blocked = set;
+ recalc_sigpending();
+ spin_unlock_irq(¤t->sighand->siglock);
+
+ sig = restore_sigcontext(regs, &frame->rs_uc.uc_mcontext);
+ if (sig < 0)
+ goto badframe;
+ else if (sig)
+ force_sig(sig, current);
+
+ if (__copy_from_user(&st, &frame->rs_uc.uc_stack, sizeof(st)))
+ goto badframe;
+
+ /* It is more difficult to avoid calling this function than to
+ call it and ignore errors. */
+ do_sigaltstack((stack_t __user *)&st, NULL, regs->regs[0]);
+
+ __asm__ __volatile__(
+ "mv\tr0, %0\n\t"
+ "la\tr8, syscall_exit\n\t"
+ "br\tr8\n\t"
+ : : "r" (regs) : "r8");
+
+badframe:
+ force_sig(SIGSEGV, current);
+}
+
+int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
+ int signr, sigset_t *set, siginfo_t *info)
+{
+ struct rt_sigframe *frame;
+ int err = 0;
+
+ frame = get_sigframe(ka, regs, sizeof(*frame));
+ if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+ goto give_sigsegv;
+
+ /*
+ * Set up the return code ...
+ *
+ * li v0, __NR_rt_sigreturn
+ * syscall
+ */
+ err |= __put_user(0x87788000 + __NR_rt_sigreturn*2,
+ frame->rs_code + 0);
+ err |= __put_user(0x80008002, frame->rs_code + 1);
+ flush_cache_sigtramp((unsigned long) frame->rs_code);
+
+ err |= copy_siginfo_to_user(&frame->rs_info, info);
+ err |= __put_user(0, &frame->rs_uc.uc_flags);
+ err |= __put_user(0, &frame->rs_uc.uc_link);
+ err |= __put_user((void *)current->sas_ss_sp,
+ &frame->rs_uc.uc_stack.ss_sp);
+ err |= __put_user(sas_ss_flags(regs->regs[0]),
+ &frame->rs_uc.uc_stack.ss_flags);
+ err |= __put_user(current->sas_ss_size,
+ &frame->rs_uc.uc_stack.ss_size);
+ err |= setup_sigcontext(regs, &frame->rs_uc.uc_mcontext);
+ err |= __copy_to_user(&frame->rs_uc.uc_sigmask, set, sizeof(*set));
+
+ if (err)
+ goto give_sigsegv;
+
+ regs->regs[0] = (unsigned long) frame;
+ regs->regs[3] = (unsigned long) frame->rs_code;
+ regs->regs[4] = signr;
+ regs->regs[5] = (unsigned long) &frame->rs_info;
+ regs->regs[6] = (unsigned long) &frame->rs_uc;
+ regs->regs[29] = (unsigned long) ka->sa.sa_handler;
+ regs->cp0_epc = (unsigned long) ka->sa.sa_handler;
+
+ return 0;
+
+give_sigsegv:
+ if (signr == SIGSEGV)
+ ka->sa.sa_handler = SIG_DFL;
+ force_sig(SIGSEGV, current);
+ return -EFAULT;
+}
+
+int handle_signal(unsigned long sig, siginfo_t *info,
+ struct k_sigaction *ka, sigset_t *oldset, struct pt_regs *regs)
+{
+ int ret;
+
+ if (regs->is_syscall) {
+ switch (regs->regs[4]) {
+ case ERESTART_RESTARTBLOCK:
+ case ERESTARTNOHAND:
+ regs->regs[4] = EINTR;
+ break;
+ case ERESTARTSYS:
+ if (!(ka->sa.sa_flags & SA_RESTART)) {
+ regs->regs[4] = EINTR;
+ break;
+ }
+ case ERESTARTNOINTR:
+ regs->regs[4] = regs->orig_r4;
+ regs->regs[7] = regs->orig_r7;
+ regs->cp0_epc -= 8;
+ }
+
+ regs->is_syscall = 0;
+ }
+
+ /*
+ * Set up the stack frame
+ */
+ ret = setup_rt_frame(ka, regs, sig, oldset, info);
+
+ spin_lock_irq(¤t->sighand->siglock);
+ sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask);
+ if (!(ka->sa.sa_flags & SA_NODEFER))
+ sigaddset(¤t->blocked, sig);
+ recalc_sigpending();
+ spin_unlock_irq(¤t->sighand->siglock);
+
+ return ret;
+}
+
+asmlinkage void do_signal(struct pt_regs *regs)
+{
+ struct k_sigaction ka;
+ sigset_t *oldset;
+ siginfo_t info;
+ int signr;
+
+ /*
+ * We want the common case to go fast, which is why we may in certain
+ * cases get here from kernel mode. Just return without doing anything
+ * if so.
+ */
+ if (!user_mode(regs))
+ return;
+
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ oldset = ¤t->saved_sigmask;
+ else
+ oldset = ¤t->blocked;
+
+ signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+ if (signr > 0) {
+ /* Actually deliver the signal. */
+ if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
+ /*
+ * A signal was successfully delivered; the saved
+ * sigmask will have been stored in the signal frame,
+ * and will be restored by sigreturn, so we can simply
+ * clear the TIF_RESTORE_SIGMASK flag.
+ */
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ }
+
+ return;
+ }
+
+ if (regs->is_syscall) {
+ if (regs->regs[4] == ERESTARTNOHAND ||
+ regs->regs[4] == ERESTARTSYS ||
+ regs->regs[4] == ERESTARTNOINTR) {
+ regs->regs[4] = regs->orig_r4;
+ regs->regs[7] = regs->orig_r7;
+ regs->cp0_epc -= 8;
+ }
+
+ if (regs->regs[4] == ERESTART_RESTARTBLOCK) {
+ regs->regs[27] = __NR_restart_syscall;
+ regs->regs[4] = regs->orig_r4;
+ regs->regs[7] = regs->orig_r7;
+ regs->cp0_epc -= 8;
+ }
+
+ regs->is_syscall = 0; /* Don't deal with this again. */
+ }
+
+ /*
+ * If there's no signal to deliver, we just put the saved sigmask
+ * back
+ */
+ if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL);
+ }
+}
+
+/*
+ * notification of userspace execution resumption
+ * - triggered by the TIF_WORK_MASK flags
+ */
+asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
+ __u32 thread_info_flags)
+{
+ /* deal with pending signal delivery */
+ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+ do_signal(regs);
+}
diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c
new file mode 100644
index 000000000000..6a60d1ee5330
--- /dev/null
+++ b/arch/score/kernel/sys_score.c
@@ -0,0 +1,147 @@
+/*
+ * arch/score/kernel/syscall.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/mman.h>
+#include <linux/module.h>
+#include <linux/unistd.h>
+
+unsigned long shm_align_mask = PAGE_SIZE - 1;
+EXPORT_SYMBOL(shm_align_mask);
+
+asmlinkage unsigned long
+sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
+ unsigned long flags, unsigned long fd, unsigned long pgoff)
+{
+ int error = -EBADF;
+ struct file *file = NULL;
+
+ if (pgoff & (~PAGE_MASK >> 12))
+ return -EINVAL;
+
+ flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+ if (!(flags & MAP_ANONYMOUS)) {
+ file = fget(fd);
+ if (!file)
+ return error;
+ }
+
+ down_write(¤t->mm->mmap_sem);
+ error = do_mmap_pgoff(file, addr, len, prot, flags,
+ pgoff >> (PAGE_SHIFT - 12));
+ up_write(¤t->mm->mmap_sem);
+
+ if (file)
+ fput(file);
+
+ return error;
+}
+
+/*
+ * Clone a task - this clones the calling program thread.
+ * This is called indirectly via a small wrapper
+ */
+asmlinkage int
+score_clone(struct pt_regs *regs)
+{
+ unsigned long clone_flags;
+ unsigned long newsp;
+ int __user *parent_tidptr, *child_tidptr;
+
+ clone_flags = regs->regs[4];
+ newsp = regs->regs[5];
+ if (!newsp)
+ newsp = regs->regs[0];
+ parent_tidptr = (int __user *)regs->regs[6];
+
+ child_tidptr = NULL;
+ if (clone_flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)) {
+ int __user *__user *usp = (int __user *__user *)regs->regs[0];
+
+ if (get_user(child_tidptr, &usp[4]))
+ return -EFAULT;
+ }
+
+ return do_fork(clone_flags, newsp, regs, 0,
+ parent_tidptr, child_tidptr);
+}
+
+/*
+ * sys_execve() executes a new program.
+ * This is called indirectly via a small wrapper
+ */
+asmlinkage int score_execve(struct pt_regs *regs)
+{
+ int error;
+ char *filename;
+
+ filename = getname((char *) (long) regs->regs[4]);
+ error = PTR_ERR(filename);
+ if (IS_ERR(filename))
+ return error;
+
+ error = do_execve(filename, (char **) (long) regs->regs[5],
+ (char **) (long) regs->regs[6], regs);
+
+ putname(filename);
+ return error;
+}
+
+/*
+ * If we ever come here the user sp is bad. Zap the process right away.
+ * Due to the bad stack signaling wouldn't work.
+ */
+asmlinkage void bad_stack(void)
+{
+ do_exit(SIGSEGV);
+}
+
+/*
+ * Do a system call from kernel instead of calling sys_execve so we
+ * end up with proper pt_regs.
+ */
+int kernel_execve(const char *filename, char *const argv[], char *const envp[])
+{
+ register unsigned long __r4 asm("r4") = (unsigned long) filename;
+ register unsigned long __r5 asm("r5") = (unsigned long) argv;
+ register unsigned long __r6 asm("r6") = (unsigned long) envp;
+ register unsigned long __r7 asm("r7");
+
+ __asm__ __volatile__ (" \n"
+ "ldi r27, %5 \n"
+ "syscall \n"
+ "mv %0, r4 \n"
+ "mv %1, r7 \n"
+ : "=&r" (__r4), "=r" (__r7)
+ : "r" (__r4), "r" (__r5), "r" (__r6), "i" (__NR_execve)
+ : "r8", "r9", "r10", "r11", "r22", "r23", "r24", "r25",
+ "r26", "r27", "memory");
+
+ if (__r7 == 0)
+ return __r4;
+
+ return -__r4;
+}
diff --git a/arch/score/kernel/time.c b/arch/score/kernel/time.c
new file mode 100644
index 000000000000..cd66ba327ca7
--- /dev/null
+++ b/arch/score/kernel/time.c
@@ -0,0 +1,99 @@
+/*
+ * arch/score/kernel/time.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/clockchips.h>
+#include <linux/interrupt.h>
+
+#include <asm/scoreregs.h>
+
+irqreturn_t timer_interrupt(int irq, void *dev_id)
+{
+ struct clock_event_device *evdev = dev_id;
+
+ /* clear timer interrupt flag */
+ outl(1, P_TIMER0_CPP_REG);
+ evdev->event_handler(evdev);
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction timer_irq = {
+ .handler = timer_interrupt,
+ .flags = IRQF_DISABLED | IRQF_TIMER,
+ .name = "timer",
+};
+
+static int score_timer_set_next_event(unsigned long delta,
+ struct clock_event_device *evdev)
+{
+ outl((TMR_M_PERIODIC | TMR_IE_ENABLE), P_TIMER0_CTRL);
+ outl(delta, P_TIMER0_PRELOAD);
+ outl(inl(P_TIMER0_CTRL) | TMR_ENABLE, P_TIMER0_CTRL);
+
+ return 0;
+}
+
+static void score_timer_set_mode(enum clock_event_mode mode,
+ struct clock_event_device *evdev)
+{
+ switch (mode) {
+ case CLOCK_EVT_MODE_PERIODIC:
+ outl((TMR_M_PERIODIC | TMR_IE_ENABLE), P_TIMER0_CTRL);
+ outl(SYSTEM_CLOCK/HZ, P_TIMER0_PRELOAD);
+ outl(inl(P_TIMER0_CTRL) | TMR_ENABLE, P_TIMER0_CTRL);
+ break;
+ case CLOCK_EVT_MODE_ONESHOT:
+ case CLOCK_EVT_MODE_SHUTDOWN:
+ case CLOCK_EVT_MODE_RESUME:
+ case CLOCK_EVT_MODE_UNUSED:
+ break;
+ default:
+ BUG();
+ }
+}
+
+static struct clock_event_device score_clockevent = {
+ .name = "score_clockevent",
+ .features = CLOCK_EVT_FEAT_PERIODIC,
+ .shift = 16,
+ .set_next_event = score_timer_set_next_event,
+ .set_mode = score_timer_set_mode,
+};
+
+void __init time_init(void)
+{
+ timer_irq.dev_id = &score_clockevent;
+ setup_irq(IRQ_TIMER , &timer_irq);
+
+ /* setup COMPARE clockevent */
+ score_clockevent.mult = div_sc(SYSTEM_CLOCK, NSEC_PER_SEC,
+ score_clockevent.shift);
+ score_clockevent.max_delta_ns = clockevent_delta2ns((u32)~0,
+ &score_clockevent);
+ score_clockevent.min_delta_ns = clockevent_delta2ns(50,
+ &score_clockevent) + 1;
+ score_clockevent.cpumask = cpumask_of(0);
+ clockevents_register_device(&score_clockevent);
+}
diff --git a/arch/score/kernel/traps.c b/arch/score/kernel/traps.c
new file mode 100644
index 000000000000..957ae9eb3567
--- /dev/null
+++ b/arch/score/kernel/traps.c
@@ -0,0 +1,349 @@
+/*
+ * arch/score/kernel/traps.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/sched.h>
+
+#include <asm/cacheflush.h>
+#include <asm/irq.h>
+#include <asm/irq_regs.h>
+
+unsigned long exception_handlers[32];
+
+/*
+ * The architecture-independent show_stack generator
+ */
+void show_stack(struct task_struct *task, unsigned long *sp)
+{
+ int i;
+ long stackdata;
+
+ sp = sp ? sp : (unsigned long *)&sp;
+
+ printk(KERN_NOTICE "Stack: ");
+ i = 1;
+ while ((long) sp & (PAGE_SIZE - 1)) {
+ if (i && ((i % 8) == 0))
+ printk(KERN_NOTICE "\n");
+ if (i > 40) {
+ printk(KERN_NOTICE " ...");
+ break;
+ }
+
+ if (__get_user(stackdata, sp++)) {
+ printk(KERN_NOTICE " (Bad stack address)");
+ break;
+ }
+
+ printk(KERN_NOTICE " %08lx", stackdata);
+ i++;
+ }
+ printk(KERN_NOTICE "\n");
+}
+
+static void show_trace(long *sp)
+{
+ int i;
+ long addr;
+
+ sp = sp ? sp : (long *) &sp;
+
+ printk(KERN_NOTICE "Call Trace: ");
+ i = 1;
+ while ((long) sp & (PAGE_SIZE - 1)) {
+ if (__get_user(addr, sp++)) {
+ if (i && ((i % 6) == 0))
+ printk(KERN_NOTICE "\n");
+ printk(KERN_NOTICE " (Bad stack address)\n");
+ break;
+ }
+
+ if (kernel_text_address(addr)) {
+ if (i && ((i % 6) == 0))
+ printk(KERN_NOTICE "\n");
+ if (i > 40) {
+ printk(KERN_NOTICE " ...");
+ break;
+ }
+
+ printk(KERN_NOTICE " [<%08lx>]", addr);
+ i++;
+ }
+ }
+ printk(KERN_NOTICE "\n");
+}
+
+static void show_code(unsigned int *pc)
+{
+ long i;
+
+ printk(KERN_NOTICE "\nCode:");
+
+ for (i = -3; i < 6; i++) {
+ unsigned long insn;
+ if (__get_user(insn, pc + i)) {
+ printk(KERN_NOTICE " (Bad address in epc)\n");
+ break;
+ }
+ printk(KERN_NOTICE "%c%08lx%c", (i ? ' ' : '<'),
+ insn, (i ? ' ' : '>'));
+ }
+}
+
+/*
+ * FIXME: really the generic show_regs should take a const pointer argument.
+ */
+void show_regs(struct pt_regs *regs)
+{
+ printk("r0 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
+ regs->regs[0], regs->regs[1], regs->regs[2], regs->regs[3],
+ regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);
+ printk("r8 : %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
+ regs->regs[8], regs->regs[9], regs->regs[10], regs->regs[11],
+ regs->regs[12], regs->regs[13], regs->regs[14], regs->regs[15]);
+ printk("r16: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
+ regs->regs[16], regs->regs[17], regs->regs[18], regs->regs[19],
+ regs->regs[20], regs->regs[21], regs->regs[22], regs->regs[23]);
+ printk("r24: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
+ regs->regs[24], regs->regs[25], regs->regs[26], regs->regs[27],
+ regs->regs[28], regs->regs[29], regs->regs[30], regs->regs[31]);
+
+ printk("CEH : %08lx\n", regs->ceh);
+ printk("CEL : %08lx\n", regs->cel);
+
+ printk("EMA:%08lx, epc:%08lx %s\nPSR: %08lx\nECR:%08lx\nCondition : %08lx\n",
+ regs->cp0_ema, regs->cp0_epc, print_tainted(), regs->cp0_psr,
+ regs->cp0_ecr, regs->cp0_condition);
+}
+
+static void show_registers(struct pt_regs *regs)
+{
+ show_regs(regs);
+ printk(KERN_NOTICE "Process %s (pid: %d, stackpage=%08lx)\n",
+ current->comm, current->pid, (unsigned long) current);
+ show_stack(current_thread_info()->task, (long *) regs->regs[0]);
+ show_trace((long *) regs->regs[0]);
+ show_code((unsigned int *) regs->cp0_epc);
+ printk(KERN_NOTICE "\n");
+}
+
+/*
+ * The architecture-independent dump_stack generator
+ */
+void dump_stack(void)
+{
+ show_stack(current_thread_info()->task,
+ (long *) get_irq_regs()->regs[0]);
+}
+EXPORT_SYMBOL(dump_stack);
+
+void __die(const char *str, struct pt_regs *regs, const char *file,
+ const char *func, unsigned long line)
+{
+ console_verbose();
+ printk("%s", str);
+ if (file && func)
+ printk(" in %s:%s, line %ld", file, func, line);
+ printk(":\n");
+ show_registers(regs);
+ do_exit(SIGSEGV);
+}
+
+void __die_if_kernel(const char *str, struct pt_regs *regs,
+ const char *file, const char *func, unsigned long line)
+{
+ if (!user_mode(regs))
+ __die(str, regs, file, func, line);
+}
+
+asmlinkage void do_adelinsn(struct pt_regs *regs)
+{
+ printk("do_ADE-linsn:ema:0x%08lx:epc:0x%08lx\n",
+ regs->cp0_ema, regs->cp0_epc);
+ die_if_kernel("do_ade execution Exception\n", regs);
+ force_sig(SIGBUS, current);
+}
+
+asmlinkage void do_adedata(struct pt_regs *regs)
+{
+ const struct exception_table_entry *fixup;
+ fixup = search_exception_tables(regs->cp0_epc);
+ if (fixup) {
+ regs->cp0_epc = fixup->fixup;
+ return;
+ }
+ printk("do_ADE-data:ema:0x%08lx:epc:0x%08lx\n",
+ regs->cp0_ema, regs->cp0_epc);
+ die_if_kernel("do_ade execution Exception\n", regs);
+ force_sig(SIGBUS, current);
+}
+
+asmlinkage void do_pel(struct pt_regs *regs)
+{
+ die_if_kernel("do_pel execution Exception", regs);
+ force_sig(SIGFPE, current);
+}
+
+asmlinkage void do_cee(struct pt_regs *regs)
+{
+ die_if_kernel("do_cee execution Exception", regs);
+ force_sig(SIGFPE, current);
+}
+
+asmlinkage void do_cpe(struct pt_regs *regs)
+{
+ die_if_kernel("do_cpe execution Exception", regs);
+ force_sig(SIGFPE, current);
+}
+
+asmlinkage void do_be(struct pt_regs *regs)
+{
+ die_if_kernel("do_be execution Exception", regs);
+ force_sig(SIGBUS, current);
+}
+
+asmlinkage void do_ov(struct pt_regs *regs)
+{
+ siginfo_t info;
+
+ die_if_kernel("do_ov execution Exception", regs);
+
+ info.si_code = FPE_INTOVF;
+ info.si_signo = SIGFPE;
+ info.si_errno = 0;
+ info.si_addr = (void *)regs->cp0_epc;
+ force_sig_info(SIGFPE, &info, current);
+}
+
+asmlinkage void do_tr(struct pt_regs *regs)
+{
+ die_if_kernel("do_tr execution Exception", regs);
+ force_sig(SIGTRAP, current);
+}
+
+asmlinkage void do_ri(struct pt_regs *regs)
+{
+ unsigned long epc_insn;
+ unsigned long epc = regs->cp0_epc;
+
+ read_tsk_long(current, epc, &epc_insn);
+ if (current->thread.single_step == 1) {
+ if ((epc == current->thread.addr1) ||
+ (epc == current->thread.addr2)) {
+ clear_single_step(current);
+ force_sig(SIGTRAP, current);
+ return;
+ } else
+ BUG();
+ } else if ((epc_insn == BREAKPOINT32_INSN) ||
+ ((epc_insn & 0x0000FFFF) == 0x7002) ||
+ ((epc_insn & 0xFFFF0000) == 0x70020000)) {
+ force_sig(SIGTRAP, current);
+ return;
+ } else {
+ die_if_kernel("do_ri execution Exception", regs);
+ force_sig(SIGILL, current);
+ }
+}
+
+asmlinkage void do_ccu(struct pt_regs *regs)
+{
+ die_if_kernel("do_ccu execution Exception", regs);
+ force_sig(SIGILL, current);
+}
+
+asmlinkage void do_reserved(struct pt_regs *regs)
+{
+ /*
+ * Game over - no way to handle this if it ever occurs. Most probably
+ * caused by a new unknown cpu type or after another deadly
+ * hard/software error.
+ */
+ die_if_kernel("do_reserved execution Exception", regs);
+ show_regs(regs);
+ panic("Caught reserved exception - should not happen.");
+}
+
+/*
+ * NMI exception handler.
+ */
+void nmi_exception_handler(struct pt_regs *regs)
+{
+ die_if_kernel("nmi_exception_handler execution Exception", regs);
+ die("NMI", regs);
+}
+
+/* Install CPU exception handler */
+void *set_except_vector(int n, void *addr)
+{
+ unsigned long handler = (unsigned long) addr;
+ unsigned long old_handler = exception_handlers[n];
+
+ exception_handlers[n] = handler;
+ return (void *)old_handler;
+}
+
+void __init trap_init(void)
+{
+ int i;
+
+ pgd_current = (unsigned long)init_mm.pgd;
+ /* DEBUG EXCEPTION */
+ memcpy((void *)DEBUG_VECTOR_BASE_ADDR,
+ &debug_exception_vector, DEBUG_VECTOR_SIZE);
+ /* NMI EXCEPTION */
+ memcpy((void *)GENERAL_VECTOR_BASE_ADDR,
+ &general_exception_vector, GENERAL_VECTOR_SIZE);
+
+ /*
+ * Initialise exception handlers
+ */
+ for (i = 0; i <= 31; i++)
+ set_except_vector(i, handle_reserved);
+
+ set_except_vector(1, handle_nmi);
+ set_except_vector(2, handle_adelinsn);
+ set_except_vector(3, handle_tlb_refill);
+ set_except_vector(4, handle_tlb_invaild);
+ set_except_vector(5, handle_ibe);
+ set_except_vector(6, handle_pel);
+ set_except_vector(7, handle_sys);
+ set_except_vector(8, handle_ccu);
+ set_except_vector(9, handle_ri);
+ set_except_vector(10, handle_tr);
+ set_except_vector(11, handle_adedata);
+ set_except_vector(12, handle_adedata);
+ set_except_vector(13, handle_tlb_refill);
+ set_except_vector(14, handle_tlb_invaild);
+ set_except_vector(15, handle_mod);
+ set_except_vector(16, handle_cee);
+ set_except_vector(17, handle_cpe);
+ set_except_vector(18, handle_dbe);
+ flush_icache_range(DEBUG_VECTOR_BASE_ADDR, IRQ_VECTOR_BASE_ADDR);
+
+ atomic_inc(&init_mm.mm_count);
+ current->active_mm = &init_mm;
+ cpu_cache_init();
+}
diff --git a/arch/score/kernel/vmlinux.lds.S b/arch/score/kernel/vmlinux.lds.S
new file mode 100644
index 000000000000..f85569831d5c
--- /dev/null
+++ b/arch/score/kernel/vmlinux.lds.S
@@ -0,0 +1,148 @@
+/*
+ * arch/score/kernel/vmlinux.lds.S
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <asm-generic/vmlinux.lds.h>
+
+OUTPUT_ARCH(score)
+ENTRY(_stext)
+
+jiffies = jiffies_64;
+
+SECTIONS
+{
+ . = CONFIG_MEMORY_START + 0x2000;
+ /* read-only */
+ .text : {
+ _text = .; /* Text and read-only data */
+ TEXT_TEXT
+ SCHED_TEXT
+ LOCK_TEXT
+ KPROBES_TEXT
+ *(.text.*)
+ *(.fixup)
+ . = ALIGN (4) ;
+ _etext = .; /* End of text section */
+ }
+
+ . = ALIGN(16);
+ RODATA
+
+ /* Exception table */
+ . = ALIGN(16);
+ __ex_table : {
+ __start___ex_table = .;
+ *(__ex_table)
+ __stop___ex_table = .;
+ }
+
+ /* writeable */
+ .data ALIGN (4096): {
+ *(.data.init_task)
+
+ DATA_DATA
+ CONSTRUCTORS
+ }
+
+ /* We want the small data sections together, so single-instruction offsets
+ can access them all, and initialized data all before uninitialized, so
+ we can shorten the on-disk segment size. */
+ . = ALIGN(8);
+ .sdata : {
+ *(.sdata)
+ }
+
+ . = ALIGN(32);
+ .data.cacheline_aligned : {
+ *(.data.cacheline_aligned)
+ }
+ _edata = .; /* End of data section */
+
+ /* will be freed after init */
+ . = ALIGN(4096); /* Init code and data */
+ __init_begin = .;
+
+ . = ALIGN(4096);
+ .init.text : {
+ _sinittext = .;
+ INIT_TEXT
+ _einittext = .;
+ }
+ .init.data : {
+ INIT_DATA
+ }
+ . = ALIGN(16);
+ .init.setup : {
+ __setup_start = .;
+ *(.init.setup)
+ __setup_end = .;
+ }
+
+ .initcall.init : {
+ __initcall_start = .;
+ INITCALLS
+ __initcall_end = .;
+ }
+
+ .con_initcall.init : {
+ __con_initcall_start = .;
+ *(.con_initcall.init)
+ __con_initcall_end = .;
+ }
+ SECURITY_INIT
+
+ /* .exit.text is discarded at runtime, not link time, to deal with
+ * references from .rodata
+ */
+ .exit.text : {
+ EXIT_TEXT
+ }
+ .exit.data : {
+ EXIT_DATA
+ }
+#if defined(CONFIG_BLK_DEV_INITRD)
+ .init.ramfs ALIGN(4096): {
+ __initramfs_start = .;
+ *(.init.ramfs)
+ __initramfs_end = .;
+ . = ALIGN(4);
+ LONG(0);
+ }
+#endif
+ . = ALIGN(4096);
+ __init_end = .;
+ /* freed after init ends here */
+
+ __bss_start = .; /* BSS */
+ .sbss : {
+ *(.sbss)
+ *(.scommon)
+ }
+ .bss : {
+ *(.bss)
+ *(COMMON)
+ }
+ __bss_stop = .;
+ _end = .;
+}
diff --git a/arch/score/lib/Makefile b/arch/score/lib/Makefile
new file mode 100644
index 000000000000..553e30e81faf
--- /dev/null
+++ b/arch/score/lib/Makefile
@@ -0,0 +1,8 @@
+#
+# Makefile for SCORE-specific library files..
+#
+
+lib-y += string.o checksum.o checksum_copy.o
+
+# libgcc-style stuff needed in the kernel
+obj-y += ashldi3.o ashrdi3.o cmpdi2.o lshrdi3.o ucmpdi2.o
diff --git a/arch/score/lib/ashldi3.c b/arch/score/lib/ashldi3.c
new file mode 100644
index 000000000000..15691a910431
--- /dev/null
+++ b/arch/score/lib/ashldi3.c
@@ -0,0 +1,46 @@
+/*
+ * arch/score/lib/ashldi3.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include "libgcc.h"
+
+long long __ashldi3(long long u, word_type b)
+{
+ DWunion uu, w;
+ word_type bm;
+
+ if (b == 0)
+ return u;
+
+ uu.ll = u;
+ bm = 32 - b;
+
+ if (bm <= 0) {
+ w.s.low = 0;
+ w.s.high = (unsigned int) uu.s.low << -bm;
+ } else {
+ const unsigned int carries = (unsigned int) uu.s.low >> bm;
+
+ w.s.low = (unsigned int) uu.s.low << b;
+ w.s.high = ((unsigned int) uu.s.high << b) | carries;
+ }
+
+ return w.ll;
+}
+EXPORT_SYMBOL(__ashldi3);
diff --git a/arch/score/lib/ashrdi3.c b/arch/score/lib/ashrdi3.c
new file mode 100644
index 000000000000..d9814a5d8d30
--- /dev/null
+++ b/arch/score/lib/ashrdi3.c
@@ -0,0 +1,48 @@
+/*
+ * arch/score/lib/ashrdi3.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include "libgcc.h"
+
+long long __ashrdi3(long long u, word_type b)
+{
+ DWunion uu, w;
+ word_type bm;
+
+ if (b == 0)
+ return u;
+
+ uu.ll = u;
+ bm = 32 - b;
+
+ if (bm <= 0) {
+ /* w.s.high = 1..1 or 0..0 */
+ w.s.high =
+ uu.s.high >> 31;
+ w.s.low = uu.s.high >> -bm;
+ } else {
+ const unsigned int carries = (unsigned int) uu.s.high << bm;
+
+ w.s.high = uu.s.high >> b;
+ w.s.low = ((unsigned int) uu.s.low >> b) | carries;
+ }
+
+ return w.ll;
+}
+EXPORT_SYMBOL(__ashrdi3);
diff --git a/arch/score/lib/checksum.S b/arch/score/lib/checksum.S
new file mode 100644
index 000000000000..706157edc7d5
--- /dev/null
+++ b/arch/score/lib/checksum.S
@@ -0,0 +1,255 @@
+/*
+ * arch/score/lib/csum_partial.S
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/linkage.h>
+
+#define ADDC(sum,reg) \
+ add sum, sum, reg; \
+ cmp.c reg, sum; \
+ bleu 9f; \
+ addi sum, 0x1; \
+9:
+
+#define CSUM_BIGCHUNK(src, offset, sum) \
+ lw r8, [src, offset + 0x00]; \
+ lw r9, [src, offset + 0x04]; \
+ lw r10, [src, offset + 0x08]; \
+ lw r11, [src, offset + 0x0c]; \
+ ADDC(sum, r8); \
+ ADDC(sum, r9); \
+ ADDC(sum, r10); \
+ ADDC(sum, r11); \
+ lw r8, [src, offset + 0x10]; \
+ lw r9, [src, offset + 0x14]; \
+ lw r10, [src, offset + 0x18]; \
+ lw r11, [src, offset + 0x1c]; \
+ ADDC(sum, r8); \
+ ADDC(sum, r9); \
+ ADDC(sum, r10); \
+ ADDC(sum, r11); \
+
+#define src r4
+#define dest r5
+#define sum r27
+
+ .text
+/* unknown src alignment and < 8 bytes to go */
+small_csumcpy:
+ mv r5, r10
+ ldi r9, 0x0
+ cmpi.c r25, 0x1
+ beq pass_small_set_t7 /*already set, jump to pass_small_set_t7*/
+ andri.c r25,r4 , 0x1 /*Is src 2 bytes aligned?*/
+
+pass_small_set_t7:
+ beq aligned
+ cmpi.c r5, 0x0
+ beq fold
+ lbu r9, [src]
+ slli r9,r9, 0x8 /*Little endian*/
+ ADDC(sum, r9)
+ addi src, 0x1
+ subi.c r5, 0x1
+
+ /*len still a full word */
+aligned:
+ andri.c r8, r5, 0x4 /*Len >= 4?*/
+ beq len_less_4bytes
+
+ /* Still a full word (4byte) to go,and the src is word aligned.*/
+ andri.c r8, src, 0x3 /*src is 4bytes aligned, so use LW!!*/
+ beq four_byte_aligned
+ lhu r9, [src]
+ addi src, 2
+ ADDC(sum, r9)
+ lhu r9, [src]
+ addi src, 2
+ ADDC(sum, r9)
+ b len_less_4bytes
+
+four_byte_aligned: /* Len >=4 and four byte aligned */
+ lw r9, [src]
+ addi src, 4
+ ADDC(sum, r9)
+
+len_less_4bytes: /* 2 byte aligned aligned and length<4B */
+ andri.c r8, r5, 0x2
+ beq len_less_2bytes
+ lhu r9, [src]
+ addi src, 0x2 /* src+=2 */
+ ADDC(sum, r9)
+
+len_less_2bytes: /* len = 1 */
+ andri.c r8, r5, 0x1
+ beq fold /* less than 2 and not equal 1--> len=0 -> fold */
+ lbu r9, [src]
+
+fold_ADDC:
+ ADDC(sum, r9)
+fold:
+ /* fold checksum */
+ slli r26, sum, 16
+ add sum, sum, r26
+ cmp.c r26, sum
+ srli sum, sum, 16
+ bleu 1f /* if r26<=sum */
+ addi sum, 0x1 /* r26>sum */
+1:
+ /* odd buffer alignment? r25 was set in csum_partial */
+ cmpi.c r25, 0x0
+ beq 1f
+ slli r26, sum, 8
+ srli sum, sum, 8
+ or sum, sum, r26
+ andi sum, 0xffff
+1:
+ .set optimize
+ /* Add the passed partial csum. */
+ ADDC(sum, r6)
+ mv r4, sum
+ br r3
+ .set volatile
+
+ .align 5
+ENTRY(csum_partial)
+ ldi sum, 0
+ ldi r25, 0
+ mv r10, r5
+ cmpi.c r5, 0x8
+ blt small_csumcpy /* < 8(singed) bytes to copy */
+ cmpi.c r5, 0x0
+ beq out
+ andri.c r25, src, 0x1 /* odd buffer? */
+
+ beq word_align
+hword_align: /* 1 byte */
+ lbu r8, [src]
+ subi r5, 0x1
+ slli r8, r8, 8
+ ADDC(sum, r8)
+ addi src, 0x1
+
+word_align: /* 2 bytes */
+ andri.c r8, src, 0x2 /* 4bytes(dword)_aligned? */
+ beq dword_align /* not, maybe dword_align */
+ lhu r8, [src]
+ subi r5, 0x2
+ ADDC(sum, r8)
+ addi src, 0x2
+
+dword_align: /* 4bytes */
+ mv r26, r5 /* maybe useless when len >=56 */
+ ldi r8, 56
+ cmp.c r8, r5
+ bgtu do_end_words /* if a1(len)<t0(56) ,unsigned */
+ andri.c r26, src, 0x4
+ beq qword_align
+ lw r8, [src]
+ subi r5, 0x4
+ ADDC(sum, r8)
+ addi src, 0x4
+
+qword_align: /* 8 bytes */
+ andri.c r26, src, 0x8
+ beq oword_align
+ lw r8, [src, 0x0]
+ lw r9, [src, 0x4]
+ subi r5, 0x8 /* len-=0x8 */
+ ADDC(sum, r8)
+ ADDC(sum, r9)
+ addi src, 0x8
+
+oword_align: /* 16bytes */
+ andri.c r26, src, 0x10
+ beq begin_movement
+ lw r10, [src, 0x08]
+ lw r11, [src, 0x0c]
+ lw r8, [src, 0x00]
+ lw r9, [src, 0x04]
+ ADDC(sum, r10)
+ ADDC(sum, r11)
+ ADDC(sum, r8)
+ ADDC(sum, r9)
+ subi r5, 0x10
+ addi src, 0x10
+
+begin_movement:
+ srli.c r26, r5, 0x7 /* len>=128? */
+ beq 1f /* len<128 */
+
+/* r26 is the result that computed in oword_align */
+move_128bytes:
+ CSUM_BIGCHUNK(src, 0x00, sum)
+ CSUM_BIGCHUNK(src, 0x20, sum)
+ CSUM_BIGCHUNK(src, 0x40, sum)
+ CSUM_BIGCHUNK(src, 0x60, sum)
+ subi.c r26, 0x01 /* r26 equals len/128 */
+ addi src, 0x80
+ bne move_128bytes
+
+1: /* len<128,we process 64byte here */
+ andri.c r10, r5, 0x40
+ beq 1f
+
+move_64bytes:
+ CSUM_BIGCHUNK(src, 0x00, sum)
+ CSUM_BIGCHUNK(src, 0x20, sum)
+ addi src, 0x40
+
+1: /* len<64 */
+ andri r26, r5, 0x1c /* 0x1c=28 */
+ andri.c r10, r5, 0x20
+ beq do_end_words /* decided by andri */
+
+move_32bytes:
+ CSUM_BIGCHUNK(src, 0x00, sum)
+ andri r26, r5, 0x1c
+ addri src, src, 0x20
+
+do_end_words: /* len<32 */
+ /* r26 was set already in dword_align */
+ cmpi.c r26, 0x0
+ beq maybe_end_cruft /* len<28 or len<56 */
+ srli r26, r26, 0x2
+
+end_words:
+ lw r8, [src]
+ subi.c r26, 0x1 /* unit is 4 byte */
+ ADDC(sum, r8)
+ addi src, 0x4
+ cmpi.c r26, 0x0
+ bne end_words /* r26!=0 */
+
+maybe_end_cruft: /* len<4 */
+ andri r10, r5, 0x3
+
+small_memcpy:
+ mv r5, r10
+ j small_csumcpy
+
+out:
+ mv r4, sum
+ br r3
+
+END(csum_partial)
diff --git a/arch/score/lib/checksum_copy.c b/arch/score/lib/checksum_copy.c
new file mode 100644
index 000000000000..04565dd3ded8
--- /dev/null
+++ b/arch/score/lib/checksum_copy.c
@@ -0,0 +1,52 @@
+/*
+ * arch/score/lib/csum_partial_copy.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <net/checksum.h>
+
+#include <asm/uaccess.h>
+
+unsigned int csum_partial_copy(const char *src, char *dst,
+ int len, unsigned int sum)
+{
+ sum = csum_partial(src, len, sum);
+ memcpy(dst, src, len);
+
+ return sum;
+}
+
+unsigned int csum_partial_copy_from_user(const char *src, char *dst,
+ int len, unsigned int sum,
+ int *err_ptr)
+{
+ int missing;
+
+ missing = copy_from_user(dst, src, len);
+ if (missing) {
+ memset(dst + len - missing, 0, missing);
+ *err_ptr = -EFAULT;
+ }
+
+ return csum_partial(dst, len, sum);
+}
diff --git a/arch/score/lib/cmpdi2.c b/arch/score/lib/cmpdi2.c
new file mode 100644
index 000000000000..1ed5290c66ed
--- /dev/null
+++ b/arch/score/lib/cmpdi2.c
@@ -0,0 +1,44 @@
+/*
+ * arch/score/lib/cmpdi2.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include "libgcc.h"
+
+word_type __cmpdi2(long long a, long long b)
+{
+ const DWunion au = {
+ .ll = a
+ };
+ const DWunion bu = {
+ .ll = b
+ };
+
+ if (au.s.high < bu.s.high)
+ return 0;
+ else if (au.s.high > bu.s.high)
+ return 2;
+
+ if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
+ return 0;
+ else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
+ return 2;
+
+ return 1;
+}
+EXPORT_SYMBOL(__cmpdi2);
diff --git a/arch/score/lib/libgcc.h b/arch/score/lib/libgcc.h
new file mode 100644
index 000000000000..0f12543d9f31
--- /dev/null
+++ b/arch/score/lib/libgcc.h
@@ -0,0 +1,37 @@
+/*
+ * arch/score/lib/libgcc.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#ifndef __ASM_LIBGCC_H
+#define __ASM_LIBGCC_H
+
+#include <asm/byteorder.h>
+
+typedef int word_type __attribute__((mode(__word__)));
+
+struct DWstruct {
+ int low, high;
+};
+
+typedef union {
+ struct DWstruct s;
+ long long ll;
+} DWunion;
+
+#endif /* __ASM_LIBGCC_H */
diff --git a/arch/score/lib/lshrdi3.c b/arch/score/lib/lshrdi3.c
new file mode 100644
index 000000000000..ce21175fd791
--- /dev/null
+++ b/arch/score/lib/lshrdi3.c
@@ -0,0 +1,47 @@
+/*
+ * arch/score/lib/lshrdi3.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#include <linux/module.h>
+#include "libgcc.h"
+
+long long __lshrdi3(long long u, word_type b)
+{
+ DWunion uu, w;
+ word_type bm;
+
+ if (b == 0)
+ return u;
+
+ uu.ll = u;
+ bm = 32 - b;
+
+ if (bm <= 0) {
+ w.s.high = 0;
+ w.s.low = (unsigned int) uu.s.high >> -bm;
+ } else {
+ const unsigned int carries = (unsigned int) uu.s.high << bm;
+
+ w.s.high = (unsigned int) uu.s.high >> b;
+ w.s.low = ((unsigned int) uu.s.low >> b) | carries;
+ }
+
+ return w.ll;
+}
+EXPORT_SYMBOL(__lshrdi3);
diff --git a/arch/score/lib/string.S b/arch/score/lib/string.S
new file mode 100644
index 000000000000..943d0911ea89
--- /dev/null
+++ b/arch/score/lib/string.S
@@ -0,0 +1,196 @@
+/*
+ * arch/score/lib/string.S
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/linkage.h>
+#include <asm-generic/errno.h>
+
+ .text
+ .align 2
+ENTRY(__strncpy_from_user)
+ cmpi.c r6, 0
+ mv r9, r6
+ ble .L2
+0: lbu r7, [r5]
+ ldi r8, 0
+1: sb r7, [r4]
+2: lb r6, [r5]
+ cmp.c r6, r8
+ beq .L2
+
+.L5:
+ addi r8, 1
+ cmp.c r8, r9
+ beq .L7
+3: lbu r6, [r5, 1]+
+4: sb r6, [r4, 1]+
+5: lb r7, [r5]
+ cmpi.c r7, 0
+ bne .L5
+.L7:
+ mv r4, r8
+ br r3
+.L2:
+ ldi r8, 0
+ mv r4, r8
+ br r3
+ .section .fixup, "ax"
+99:
+ ldi r4, -EFAULT
+ br r3
+ .previous
+ .section __ex_table, "a"
+ .align 2
+ .word 0b ,99b
+ .word 1b ,99b
+ .word 2b ,99b
+ .word 3b ,99b
+ .word 4b ,99b
+ .word 5b ,99b
+ .previous
+
+ .align 2
+ENTRY(__strnlen_user)
+ cmpi.c r5, 0
+ ble .L11
+0: lb r6, [r4]
+ ldi r7, 0
+ cmp.c r6, r7
+ beq .L11
+.L15:
+ addi r7, 1
+ cmp.c r7, r5
+ beq .L23
+1: lb r6, [r4,1]+
+ cmpi.c r6, 0
+ bne .L15
+.L23:
+ addri r4, r7, 1
+ br r3
+
+.L11:
+ ldi r4, 1
+ br r3
+ .section .fixup, "ax"
+99:
+ ldi r4, 0
+ br r3
+
+ .section __ex_table,"a"
+ .align 2
+ .word 0b, 99b
+ .word 1b, 99b
+ .previous
+
+ .align 2
+ENTRY(__strlen_user)
+0: lb r6, [r4]
+ mv r7, r4
+ extsb r6, r6
+ cmpi.c r6, 0
+ mv r4, r6
+ beq .L27
+.L28:
+1: lb r6, [r7, 1]+
+ addi r6, 1
+ cmpi.c r6, 0
+ bne .L28
+.L27:
+ br r3
+ .section .fixup, "ax"
+ ldi r4, 0x0
+ br r3
+99:
+ ldi r4, 0
+ br r3
+ .previous
+ .section __ex_table, "a"
+ .align 2
+ .word 0b ,99b
+ .word 1b ,99b
+ .previous
+
+ .align 2
+ENTRY(__copy_tofrom_user)
+ cmpi.c r6, 0
+ mv r10,r6
+ beq .L32
+ ldi r9, 0
+.L34:
+ add r6, r5, r9
+0: lbu r8, [r6]
+ add r7, r4, r9
+1: sb r8, [r7]
+ addi r9, 1
+ cmp.c r9, r10
+ bne .L34
+.L32:
+ ldi r4, 0
+ br r3
+ .section .fixup, "ax"
+99:
+ sub r4, r10, r9
+ br r3
+ .previous
+ .section __ex_table, "a"
+ .align 2
+ .word 0b, 99b
+ .word 1b, 99b
+ .previous
+
+ .align 2
+ENTRY(__clear_user)
+ cmpi.c r5, 0
+ beq .L38
+ ldi r6, 0
+ mv r7, r6
+.L40:
+ addi r6, 1
+0: sb r7, [r4]+, 1
+ cmp.c r6, r5
+ bne .L40
+.L38:
+ ldi r4, 0
+ br r3
+
+ .section .fixup, "ax"
+ br r3
+ .previous
+ .section __ex_table, "a"
+ .align 2
+99:
+ .word 0b, 99b
+ .previous
+
+ .align 2
+ENTRY(__put_user_unknown)
+ .set volatile
+ ldi r4, -EFAULT
+ br r3
+
+ .align 2
+ENTRY(__get_user_unknown)
+ ldi r5, 0
+ ldi r4, -EFAULT
+ br r3
diff --git a/arch/score/lib/ucmpdi2.c b/arch/score/lib/ucmpdi2.c
new file mode 100644
index 000000000000..b15241e0b079
--- /dev/null
+++ b/arch/score/lib/ucmpdi2.c
@@ -0,0 +1,38 @@
+/*
+ * arch/score/lib/ucmpdi2.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include "libgcc.h"
+
+word_type __ucmpdi2(unsigned long long a, unsigned long long b)
+{
+ const DWunion au = {.ll = a};
+ const DWunion bu = {.ll = b};
+
+ if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
+ return 0;
+ else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
+ return 2;
+ if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
+ return 0;
+ else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
+ return 2;
+ return 1;
+}
+EXPORT_SYMBOL(__ucmpdi2);
diff --git a/arch/score/mm/Makefile b/arch/score/mm/Makefile
new file mode 100644
index 000000000000..7b1e29b1f8cd
--- /dev/null
+++ b/arch/score/mm/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile for the Linux/SCORE-specific parts of the memory manager.
+#
+
+obj-y += cache.o extable.o fault.o init.o \
+ tlb-miss.o tlb-score.o pgtable.o
diff --git a/arch/score/mm/cache.c b/arch/score/mm/cache.c
new file mode 100644
index 000000000000..1ebc67f18c6d
--- /dev/null
+++ b/arch/score/mm/cache.c
@@ -0,0 +1,308 @@
+/*
+ * arch/score/mm/cache.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init.h>
+#include <linux/linkage.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+
+#include <asm/mmu_context.h>
+
+/* Cache operations. */
+void (*flush_cache_all)(void);
+void (*__flush_cache_all)(void);
+void (*flush_cache_mm)(struct mm_struct *mm);
+void (*flush_cache_range)(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end);
+void (*flush_cache_page)(struct vm_area_struct *vma,
+ unsigned long page, unsigned long pfn);
+void (*flush_icache_range)(unsigned long start, unsigned long end);
+void (*__flush_cache_vmap)(void);
+void (*__flush_cache_vunmap)(void);
+void (*flush_cache_sigtramp)(unsigned long addr);
+void (*flush_data_cache_page)(unsigned long addr);
+EXPORT_SYMBOL(flush_data_cache_page);
+void (*flush_icache_all)(void);
+
+/*Score 7 cache operations*/
+static inline void s7___flush_cache_all(void);
+static void s7_flush_cache_mm(struct mm_struct *mm);
+static void s7_flush_cache_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end);
+static void s7_flush_cache_page(struct vm_area_struct *vma,
+ unsigned long page, unsigned long pfn);
+static void s7_flush_icache_range(unsigned long start, unsigned long end);
+static void s7_flush_cache_sigtramp(unsigned long addr);
+static void s7_flush_data_cache_page(unsigned long addr);
+static void s7_flush_dcache_range(unsigned long start, unsigned long end);
+
+void __update_cache(struct vm_area_struct *vma, unsigned long address,
+ pte_t pte)
+{
+ struct page *page;
+ unsigned long pfn, addr;
+ int exec = (vma->vm_flags & VM_EXEC);
+
+ pfn = pte_pfn(pte);
+ if (unlikely(!pfn_valid(pfn)))
+ return;
+ page = pfn_to_page(pfn);
+ if (page_mapping(page) && test_bit(PG_arch_1, &page->flags)) {
+ addr = (unsigned long) page_address(page);
+ if (exec)
+ s7_flush_data_cache_page(addr);
+ clear_bit(PG_arch_1, &page->flags);
+ }
+}
+
+static inline void setup_protection_map(void)
+{
+ protection_map[0] = PAGE_NONE;
+ protection_map[1] = PAGE_READONLY;
+ protection_map[2] = PAGE_COPY;
+ protection_map[3] = PAGE_COPY;
+ protection_map[4] = PAGE_READONLY;
+ protection_map[5] = PAGE_READONLY;
+ protection_map[6] = PAGE_COPY;
+ protection_map[7] = PAGE_COPY;
+ protection_map[8] = PAGE_NONE;
+ protection_map[9] = PAGE_READONLY;
+ protection_map[10] = PAGE_SHARED;
+ protection_map[11] = PAGE_SHARED;
+ protection_map[12] = PAGE_READONLY;
+ protection_map[13] = PAGE_READONLY;
+ protection_map[14] = PAGE_SHARED;
+ protection_map[15] = PAGE_SHARED;
+}
+
+void __devinit cpu_cache_init(void)
+{
+ flush_cache_all = s7_flush_cache_all;
+ __flush_cache_all = s7___flush_cache_all;
+ flush_cache_mm = s7_flush_cache_mm;
+ flush_cache_range = s7_flush_cache_range;
+ flush_cache_page = s7_flush_cache_page;
+ flush_icache_range = s7_flush_icache_range;
+ flush_cache_sigtramp = s7_flush_cache_sigtramp;
+ flush_data_cache_page = s7_flush_data_cache_page;
+
+ setup_protection_map();
+}
+
+void s7_flush_icache_all(void)
+{
+ __asm__ __volatile__(
+ "la r8, s7_flush_icache_all\n"
+ "cache 0x10, [r8, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\nnop\n"
+ : : : "r8");
+}
+
+void s7_flush_dcache_all(void)
+{
+ __asm__ __volatile__(
+ "la r8, s7_flush_dcache_all\n"
+ "cache 0x1f, [r8, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\nnop\n"
+ "cache 0x1a, [r8, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\nnop\n"
+ : : : "r8");
+}
+
+void s7_flush_cache_all(void)
+{
+ __asm__ __volatile__(
+ "la r8, s7_flush_cache_all\n"
+ "cache 0x10, [r8, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\nnop\n"
+ "cache 0x1f, [r8, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\nnop\n"
+ "cache 0x1a, [r8, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\nnop\n"
+ : : : "r8");
+}
+
+void s7___flush_cache_all(void)
+{
+ __asm__ __volatile__(
+ "la r8, s7_flush_cache_all\n"
+ "cache 0x10, [r8, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\nnop\n"
+ "cache 0x1f, [r8, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\nnop\n"
+ "cache 0x1a, [r8, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\nnop\n"
+ : : : "r8");
+}
+
+static void s7_flush_cache_mm(struct mm_struct *mm)
+{
+ if (!(mm->context))
+ return;
+ s7_flush_cache_all();
+}
+
+/*if we flush a range precisely , the processing may be very long.
+We must check each page in the range whether present. If the page is present,
+we can flush the range in the page. Be careful, the range may be cross two
+page, a page is present and another is not present.
+*/
+/*
+The interface is provided in hopes that the port can find
+a suitably efficient method for removing multiple page
+sized regions from the cache.
+*/
+static void
+s7_flush_cache_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end)
+{
+ struct mm_struct *mm = vma->vm_mm;
+ int exec = vma->vm_flags & VM_EXEC;
+ pgd_t *pgdp;
+ pud_t *pudp;
+ pmd_t *pmdp;
+ pte_t *ptep;
+
+ if (!(mm->context))
+ return;
+
+ pgdp = pgd_offset(mm, start);
+ pudp = pud_offset(pgdp, start);
+ pmdp = pmd_offset(pudp, start);
+ ptep = pte_offset(pmdp, start);
+
+ while (start <= end) {
+ unsigned long tmpend;
+ pgdp = pgd_offset(mm, start);
+ pudp = pud_offset(pgdp, start);
+ pmdp = pmd_offset(pudp, start);
+ ptep = pte_offset(pmdp, start);
+
+ if (!(pte_val(*ptep) & _PAGE_PRESENT)) {
+ start = (start + PAGE_SIZE) & ~(PAGE_SIZE - 1);
+ continue;
+ }
+ tmpend = (start | (PAGE_SIZE-1)) > end ?
+ end : (start | (PAGE_SIZE-1));
+
+ s7_flush_dcache_range(start, tmpend);
+ if (exec)
+ s7_flush_icache_range(start, tmpend);
+ start = (start + PAGE_SIZE) & ~(PAGE_SIZE - 1);
+ }
+}
+
+static void
+s7_flush_cache_page(struct vm_area_struct *vma,
+ unsigned long addr, unsigned long pfn)
+{
+ int exec = vma->vm_flags & VM_EXEC;
+ unsigned long kaddr = 0xa0000000 | (pfn << PAGE_SHIFT);
+
+ s7_flush_dcache_range(kaddr, kaddr + PAGE_SIZE);
+
+ if (exec)
+ s7_flush_icache_range(kaddr, kaddr + PAGE_SIZE);
+}
+
+static void s7_flush_cache_sigtramp(unsigned long addr)
+{
+ __asm__ __volatile__(
+ "cache 0x02, [%0, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ "cache 0x02, [%0, 0x4]\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+
+ "cache 0x0d, [%0, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ "cache 0x0d, [%0, 0x4]\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+
+ "cache 0x1a, [%0, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ : : "r" (addr));
+}
+
+/*
+Just flush entire Dcache!!
+You must ensure the page doesn't include instructions, because
+the function will not flush the Icache.
+The addr must be cache aligned.
+*/
+static void s7_flush_data_cache_page(unsigned long addr)
+{
+ unsigned int i;
+ for (i = 0; i < (PAGE_SIZE / L1_CACHE_BYTES); i += L1_CACHE_BYTES) {
+ __asm__ __volatile__(
+ "cache 0x0e, [%0, 0]\n"
+ "cache 0x1a, [%0, 0]\n"
+ "nop\n"
+ : : "r" (addr));
+ addr += L1_CACHE_BYTES;
+ }
+}
+
+/*
+1. WB and invalid a cache line of Dcache
+2. Drain Write Buffer
+the range must be smaller than PAGE_SIZE
+*/
+static void s7_flush_dcache_range(unsigned long start, unsigned long end)
+{
+ int size, i;
+
+ start = start & ~(L1_CACHE_BYTES - 1);
+ end = end & ~(L1_CACHE_BYTES - 1);
+ size = end - start;
+ /* flush dcache to ram, and invalidate dcache lines. */
+ for (i = 0; i < size; i += L1_CACHE_BYTES) {
+ __asm__ __volatile__(
+ "cache 0x0e, [%0, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ "cache 0x1a, [%0, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ : : "r" (start));
+ start += L1_CACHE_BYTES;
+ }
+}
+
+static void s7_flush_icache_range(unsigned long start, unsigned long end)
+{
+ int size, i;
+ start = start & ~(L1_CACHE_BYTES - 1);
+ end = end & ~(L1_CACHE_BYTES - 1);
+
+ size = end - start;
+ /* invalidate icache lines. */
+ for (i = 0; i < size; i += L1_CACHE_BYTES) {
+ __asm__ __volatile__(
+ "cache 0x02, [%0, 0]\n"
+ "nop\nnop\nnop\nnop\nnop\n"
+ : : "r" (start));
+ start += L1_CACHE_BYTES;
+ }
+}
diff --git a/arch/score/mm/extable.c b/arch/score/mm/extable.c
new file mode 100644
index 000000000000..01ff6445171c
--- /dev/null
+++ b/arch/score/mm/extable.c
@@ -0,0 +1,38 @@
+/*
+ * arch/score/mm/extable.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+
+int fixup_exception(struct pt_regs *regs)
+{
+ const struct exception_table_entry *fixup;
+
+ fixup = search_exception_tables(regs->cp0_epc);
+ if (fixup) {
+ regs->cp0_epc = fixup->fixup;
+ return 1;
+ }
+ return 0;
+}
diff --git a/arch/score/mm/fault.c b/arch/score/mm/fault.c
new file mode 100644
index 000000000000..47b600e4b2c5
--- /dev/null
+++ b/arch/score/mm/fault.c
@@ -0,0 +1,235 @@
+/*
+ * arch/score/mm/fault.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/mman.h>
+#include <linux/module.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/ptrace.h>
+
+/*
+ * This routine handles page faults. It determines the address,
+ * and the problem, and then passes it off to one of the appropriate
+ * routines.
+ */
+asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write,
+ unsigned long address)
+{
+ struct vm_area_struct *vma = NULL;
+ struct task_struct *tsk = current;
+ struct mm_struct *mm = tsk->mm;
+ const int field = sizeof(unsigned long) * 2;
+ siginfo_t info;
+ int fault;
+
+ info.si_code = SEGV_MAPERR;
+
+ /*
+ * We fault-in kernel-space virtual memory on-demand. The
+ * 'reference' page table is init_mm.pgd.
+ *
+ * NOTE! We MUST NOT take any locks for this case. We may
+ * be in an interrupt or a critical region, and should
+ * only copy the information from the master page table,
+ * nothing more.
+ */
+ if (unlikely(address >= VMALLOC_START && address <= VMALLOC_END))
+ goto vmalloc_fault;
+#ifdef MODULE_START
+ if (unlikely(address >= MODULE_START && address < MODULE_END))
+ goto vmalloc_fault;
+#endif
+
+ /*
+ * If we're in an interrupt or have no user
+ * context, we must not take the fault..
+ */
+ if (in_atomic() || !mm)
+ goto bad_area_nosemaphore;
+
+ down_read(&mm->mmap_sem);
+ vma = find_vma(mm, address);
+ if (!vma)
+ goto bad_area;
+ if (vma->vm_start <= address)
+ goto good_area;
+ if (!(vma->vm_flags & VM_GROWSDOWN))
+ goto bad_area;
+ if (expand_stack(vma, address))
+ goto bad_area;
+ /*
+ * Ok, we have a good vm_area for this memory access, so
+ * we can handle it..
+ */
+good_area:
+ info.si_code = SEGV_ACCERR;
+
+ if (write) {
+ if (!(vma->vm_flags & VM_WRITE))
+ goto bad_area;
+ } else {
+ if (!(vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)))
+ goto bad_area;
+ }
+
+survive:
+ /*
+ * If for any reason at all we couldn't handle the fault,
+ * make sure we exit gracefully rather than endlessly redo
+ * the fault.
+ */
+ fault = handle_mm_fault(mm, vma, address, write);
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+ }
+ if (fault & VM_FAULT_MAJOR)
+ tsk->maj_flt++;
+ else
+ tsk->min_flt++;
+
+ up_read(&mm->mmap_sem);
+ return;
+
+ /*
+ * Something tried to access memory that isn't in our memory map..
+ * Fix it, but check if it's kernel or user first..
+ */
+bad_area:
+ up_read(&mm->mmap_sem);
+
+bad_area_nosemaphore:
+ /* User mode accesses just cause a SIGSEGV */
+ if (user_mode(regs)) {
+ tsk->thread.cp0_badvaddr = address;
+ tsk->thread.error_code = write;
+ info.si_signo = SIGSEGV;
+ info.si_errno = 0;
+ /* info.si_code has been set above */
+ info.si_addr = (void __user *) address;
+ force_sig_info(SIGSEGV, &info, tsk);
+ return;
+ }
+
+no_context:
+ /* Are we prepared to handle this kernel fault? */
+ if (fixup_exception(regs)) {
+ current->thread.cp0_baduaddr = address;
+ return;
+ }
+
+ /*
+ * Oops. The kernel tried to access some bad page. We'll have to
+ * terminate things with extreme prejudice.
+ */
+ bust_spinlocks(1);
+
+ printk(KERN_ALERT "CPU %d Unable to handle kernel paging request at "
+ "virtual address %0*lx, epc == %0*lx, ra == %0*lx\n",
+ 0, field, address, field, regs->cp0_epc,
+ field, regs->regs[3]);
+ die("Oops", regs);
+
+ /*
+ * We ran out of memory, or some other thing happened to us that made
+ * us unable to handle the page fault gracefully.
+ */
+out_of_memory:
+ up_read(&mm->mmap_sem);
+ if (is_global_init(tsk)) {
+ yield();
+ down_read(&mm->mmap_sem);
+ goto survive;
+ }
+ printk("VM: killing process %s\n", tsk->comm);
+ if (user_mode(regs))
+ do_group_exit(SIGKILL);
+ goto no_context;
+
+do_sigbus:
+ up_read(&mm->mmap_sem);
+ /* Kernel mode? Handle exceptions or die */
+ if (!user_mode(regs))
+ goto no_context;
+ else
+ /*
+ * Send a sigbus, regardless of whether we were in kernel
+ * or user mode.
+ */
+ tsk->thread.cp0_badvaddr = address;
+ info.si_signo = SIGBUS;
+ info.si_errno = 0;
+ info.si_code = BUS_ADRERR;
+ info.si_addr = (void __user *) address;
+ force_sig_info(SIGBUS, &info, tsk);
+ return;
+vmalloc_fault:
+ {
+ /*
+ * Synchronize this task's top level page-table
+ * with the 'reference' page table.
+ *
+ * Do _not_ use "tsk" here. We might be inside
+ * an interrupt in the middle of a task switch..
+ */
+ int offset = __pgd_offset(address);
+ pgd_t *pgd, *pgd_k;
+ pud_t *pud, *pud_k;
+ pmd_t *pmd, *pmd_k;
+ pte_t *pte_k;
+
+ pgd = (pgd_t *) pgd_current + offset;
+ pgd_k = init_mm.pgd + offset;
+
+ if (!pgd_present(*pgd_k))
+ goto no_context;
+ set_pgd(pgd, *pgd_k);
+
+ pud = pud_offset(pgd, address);
+ pud_k = pud_offset(pgd_k, address);
+ if (!pud_present(*pud_k))
+ goto no_context;
+
+ pmd = pmd_offset(pud, address);
+ pmd_k = pmd_offset(pud_k, address);
+ if (!pmd_present(*pmd_k))
+ goto no_context;
+ set_pmd(pmd, *pmd_k);
+
+ pte_k = pte_offset_kernel(pmd_k, address);
+ if (!pte_present(*pte_k))
+ goto no_context;
+ return;
+ }
+}
diff --git a/arch/score/mm/init.c b/arch/score/mm/init.c
new file mode 100644
index 000000000000..7780eecc5a43
--- /dev/null
+++ b/arch/score/mm/init.c
@@ -0,0 +1,173 @@
+/*
+ * arch/score/mm/init.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/errno.h>
+#include <linux/bootmem.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/mman.h>
+#include <linux/pagemap.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <asm-generic/sections.h>
+
+#include <asm/tlb.h>
+
+DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
+
+/*
+ * We have up to 8 empty zeroed pages so we can map one of the right colour
+ * when needed.
+ */
+unsigned long zero_page_mask;
+unsigned long empty_zero_page;
+EXPORT_SYMBOL_GPL(empty_zero_page);
+
+static struct kcore_list kcore_mem, kcore_vmalloc;
+
+unsigned long setup_zero_pages(void)
+{
+ unsigned int order = 0;
+ unsigned long size;
+ struct page *page;
+
+ empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order);
+ if (!empty_zero_page)
+ panic("Oh boy, that early out of memory?");
+
+ page = virt_to_page((void *) empty_zero_page);
+ split_page(page, order);
+ while (page < virt_to_page((void *) (empty_zero_page +
+ (PAGE_SIZE << order)))) {
+ SetPageReserved(page);
+ page++;
+ }
+
+ size = PAGE_SIZE << order;
+ zero_page_mask = (size - 1) & PAGE_MASK;
+
+ return 1UL << order;
+}
+
+#ifndef CONFIG_NEED_MULTIPLE_NODES
+static int __init page_is_ram(unsigned long pagenr)
+{
+ if (pagenr >= min_low_pfn && pagenr < max_low_pfn)
+ return 1;
+ else
+ return 0;
+}
+
+void __init paging_init(void)
+{
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
+ unsigned long lastpfn;
+
+ pagetable_init();
+ max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+ lastpfn = max_low_pfn;
+ free_area_init_nodes(max_zone_pfns);
+}
+
+void __init mem_init(void)
+{
+ unsigned long codesize, reservedpages, datasize, initsize;
+ unsigned long tmp, ram = 0;
+
+ max_mapnr = max_low_pfn;
+ high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
+ totalram_pages += free_all_bootmem();
+ totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */
+ reservedpages = 0;
+
+ for (tmp = 0; tmp < max_low_pfn; tmp++)
+ if (page_is_ram(tmp)) {
+ ram++;
+ if (PageReserved(pfn_to_page(tmp)))
+ reservedpages++;
+ }
+
+ num_physpages = ram;
+ codesize = (unsigned long) &_etext - (unsigned long) &_text;
+ datasize = (unsigned long) &_edata - (unsigned long) &_etext;
+ initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
+
+ kclist_add(&kcore_mem, __va(0), max_low_pfn << PAGE_SHIFT);
+ kclist_add(&kcore_vmalloc, (void *) VMALLOC_START,
+ VMALLOC_END - VMALLOC_START);
+
+ printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
+ "%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n",
+ (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
+ ram << (PAGE_SHIFT-10), codesize >> 10,
+ reservedpages << (PAGE_SHIFT-10), datasize >> 10,
+ initsize >> 10,
+ (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
+}
+#endif /* !CONFIG_NEED_MULTIPLE_NODES */
+
+void free_init_pages(const char *what, unsigned long begin, unsigned long end)
+{
+ unsigned long pfn;
+
+ for (pfn = PFN_UP(begin); pfn < PFN_DOWN(end); pfn++) {
+ struct page *page = pfn_to_page(pfn);
+ void *addr = phys_to_virt(PFN_PHYS(pfn));
+
+ ClearPageReserved(page);
+ init_page_count(page);
+ memset(addr, POISON_FREE_INITMEM, PAGE_SIZE);
+ __free_page(page);
+ totalram_pages++;
+ }
+ printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
+}
+
+#ifdef CONFIG_BLK_DEV_INITRD
+void free_initrd_mem(unsigned long start, unsigned long end)
+{
+ free_init_pages("initrd memory",
+ virt_to_phys((void *) start),
+ virt_to_phys((void *) end));
+}
+#endif
+
+void __init_refok free_initmem(void)
+{
+ free_init_pages("unused kernel memory",
+ (unsigned long)__init_begin, (unsigned long)__init_end);
+}
+
+unsigned long pgd_current;
+
+#define __page_aligned(order) __attribute__((__aligned__(PAGE_SIZE<<order)))
+
+/*
+ * gcc 3.3 and older have trouble determining that PTRS_PER_PGD and PGD_ORDER
+ * are constants. So we use the variants from asm-offset.h until that gcc
+ * will officially be retired.
+ */
+pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER);
diff --git a/arch/score/mm/pgtable.c b/arch/score/mm/pgtable.c
new file mode 100644
index 000000000000..10b0962f83d4
--- /dev/null
+++ b/arch/score/mm/pgtable.c
@@ -0,0 +1,60 @@
+/*
+ * arch/score/mm/pgtable-32.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/bootmem.h>
+#include <linux/init.h>
+#include <linux/pfn.h>
+#include <linux/mm.h>
+
+void pgd_init(unsigned long page)
+{
+ unsigned long *p = (unsigned long *) page;
+ int i;
+
+ for (i = 0; i < USER_PTRS_PER_PGD; i += 8) {
+ p[i + 0] = (unsigned long) invalid_pte_table;
+ p[i + 1] = (unsigned long) invalid_pte_table;
+ p[i + 2] = (unsigned long) invalid_pte_table;
+ p[i + 3] = (unsigned long) invalid_pte_table;
+ p[i + 4] = (unsigned long) invalid_pte_table;
+ p[i + 5] = (unsigned long) invalid_pte_table;
+ p[i + 6] = (unsigned long) invalid_pte_table;
+ p[i + 7] = (unsigned long) invalid_pte_table;
+ }
+}
+
+void __init pagetable_init(void)
+{
+ unsigned long vaddr;
+ pgd_t *pgd_base;
+
+ /* Initialize the entire pgd. */
+ pgd_init((unsigned long) swapper_pg_dir);
+ pgd_init((unsigned long) swapper_pg_dir
+ + sizeof(pgd_t) * USER_PTRS_PER_PGD);
+
+ pgd_base = swapper_pg_dir;
+ vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK;
+}
diff --git a/arch/score/mm/tlb-miss.S b/arch/score/mm/tlb-miss.S
new file mode 100644
index 000000000000..f27651914e8d
--- /dev/null
+++ b/arch/score/mm/tlb-miss.S
@@ -0,0 +1,199 @@
+/*
+ * arch/score/mm/tlbex.S
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <asm/asmmacro.h>
+#include <asm/pgtable-bits.h>
+#include <asm/scoreregs.h>
+
+/*
+* After this macro runs, the pte faulted on is
+* in register PTE, a ptr into the table in which
+* the pte belongs is in PTR.
+*/
+ .macro load_pte, pte, ptr
+ la \ptr, pgd_current
+ lw \ptr, [\ptr, 0]
+ mfcr \pte, cr6
+ srli \pte, \pte, 22
+ slli \pte, \pte, 2
+ add \ptr, \ptr, \pte
+ lw \ptr, [\ptr, 0]
+ mfcr \pte, cr6
+ srli \pte, \pte, 10
+ andi \pte, 0xffc
+ add \ptr, \ptr, \pte
+ lw \pte, [\ptr, 0]
+ .endm
+
+ .macro pte_reload, ptr
+ lw \ptr, [\ptr, 0]
+ mtcr \ptr, cr12
+ nop
+ nop
+ nop
+ nop
+ nop
+ .endm
+
+ .macro do_fault, write
+ SAVE_ALL
+ mfcr r6, cr6
+ mv r4, r0
+ ldi r5, \write
+ la r8, do_page_fault
+ brl r8
+ j ret_from_exception
+ .endm
+
+ .macro pte_writable, pte, ptr, label
+ andi \pte, 0x280
+ cmpi.c \pte, 0x280
+ bne \label
+ lw \pte, [\ptr, 0] /*reload PTE*/
+ .endm
+
+/*
+ * Make PTE writable, update software status bits as well,
+ * then store at PTR.
+ */
+ .macro pte_makewrite, pte, ptr
+ ori \pte, 0x426
+ sw \pte, [\ptr, 0]
+ .endm
+
+ .text
+ENTRY(score7_FTLB_refill_Handler)
+ la r31, pgd_current /* get pgd pointer */
+ lw r31, [r31, 0] /* get the address of PGD */
+ mfcr r30, cr6
+ srli r30, r30, 22 /* PGDIR_SHIFT = 22*/
+ slli r30, r30, 2
+ add r31, r31, r30
+ lw r31, [r31, 0] /* get the address of the start address of PTE table */
+
+ mfcr r30, cr9
+ andi r30, 0xfff /* equivalent to get PET index and right shift 2 bits */
+ add r31, r31, r30
+ lw r30, [r31, 0] /* load pte entry */
+ mtcr r30, cr12
+ nop
+ nop
+ nop
+ nop
+ nop
+ mtrtlb
+ nop
+ nop
+ nop
+ nop
+ nop
+ rte /* 6 cycles to make sure tlb entry works */
+
+ENTRY(score7_KSEG_refill_Handler)
+ la r31, pgd_current /* get pgd pointer */
+ lw r31, [r31, 0] /* get the address of PGD */
+ mfcr r30, cr6
+ srli r30, r30, 22 /* PGDIR_SHIFT = 22 */
+ slli r30, r30, 2
+ add r31, r31, r30
+ lw r31, [r31, 0] /* get the address of the start address of PTE table */
+
+ mfcr r30, cr6 /* get Bad VPN */
+ srli r30, r30, 10
+ andi r30, 0xffc /* PTE VPN mask (bit 11~2) */
+
+ add r31, r31, r30
+ lw r30, [r31, 0] /* load pte entry */
+ mtcr r30, cr12
+ nop
+ nop
+ nop
+ nop
+ nop
+ mtrtlb
+ nop
+ nop
+ nop
+ nop
+ nop
+ rte /* 6 cycles to make sure tlb entry works */
+
+nopage_tlbl:
+ do_fault 0 /* Read */
+
+ENTRY(handle_tlb_refill)
+ load_pte r30, r31
+ pte_writable r30, r31, handle_tlb_refill_nopage
+ pte_makewrite r30, r31 /* Access|Modify|Dirty|Valid */
+ pte_reload r31
+ mtrtlb
+ nop
+ nop
+ nop
+ nop
+ nop
+ rte
+handle_tlb_refill_nopage:
+ do_fault 0 /* Read */
+
+ENTRY(handle_tlb_invaild)
+ load_pte r30, r31
+ stlb /* find faulting entry */
+ pte_writable r30, r31, handle_tlb_invaild_nopage
+ pte_makewrite r30, r31 /* Access|Modify|Dirty|Valid */
+ pte_reload r31
+ mtptlb
+ nop
+ nop
+ nop
+ nop
+ nop
+ rte
+handle_tlb_invaild_nopage:
+ do_fault 0 /* Read */
+
+ENTRY(handle_mod)
+ load_pte r30, r31
+ stlb /* find faulting entry */
+ andi r30, _PAGE_WRITE /* Writable? */
+ cmpz.c r30
+ beq nowrite_mod
+ lw r30, [r31, 0] /* reload into r30 */
+
+ /* Present and writable bits set, set accessed and dirty bits. */
+ pte_makewrite r30, r31
+
+ /* Now reload the entry into the tlb. */
+ pte_reload r31
+ mtptlb
+ nop
+ nop
+ nop
+ nop
+ nop
+ rte
+
+nowrite_mod:
+ do_fault 1 /* Write */
diff --git a/arch/score/mm/tlb-score.c b/arch/score/mm/tlb-score.c
new file mode 100644
index 000000000000..4fa5aa5afecc
--- /dev/null
+++ b/arch/score/mm/tlb-score.c
@@ -0,0 +1,251 @@
+/*
+ * arch/score/mm/tlb-score.c
+ *
+ * Score Processor version.
+ *
+ * Copyright (C) 2009 Sunplus Core Technology Co., Ltd.
+ * Lennox Wu <lennox.wu@sunplusct.com>
+ * Chen Liqin <liqin.chen@sunplusct.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/highmem.h>
+#include <linux/module.h>
+
+#include <asm/irq.h>
+#include <asm/mmu_context.h>
+#include <asm/tlb.h>
+
+#define TLBSIZE 32
+
+unsigned long asid_cache = ASID_FIRST_VERSION;
+EXPORT_SYMBOL(asid_cache);
+
+void local_flush_tlb_all(void)
+{
+ unsigned long flags;
+ unsigned long old_ASID;
+ int entry;
+
+ local_irq_save(flags);
+ old_ASID = pevn_get() & ASID_MASK;
+ pectx_set(0); /* invalid */
+ entry = tlblock_get(); /* skip locked entries*/
+
+ for (; entry < TLBSIZE; entry++) {
+ tlbpt_set(entry);
+ pevn_set(KSEG1);
+ barrier();
+ tlb_write_indexed();
+ }
+ pevn_set(old_ASID);
+ local_irq_restore(flags);
+}
+
+/*
+ * If mm is currently active_mm, we can't really drop it. Instead,
+ * we will get a new one for it.
+ */
+static inline void
+drop_mmu_context(struct mm_struct *mm)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ get_new_mmu_context(mm);
+ pevn_set(mm->context & ASID_MASK);
+ local_irq_restore(flags);
+}
+
+void local_flush_tlb_mm(struct mm_struct *mm)
+{
+ if (mm->context != 0)
+ drop_mmu_context(mm);
+}
+
+void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
+ unsigned long end)
+{
+ struct mm_struct *mm = vma->vm_mm;
+ unsigned long vma_mm_context = mm->context;
+ if (mm->context != 0) {
+ unsigned long flags;
+ int size;
+
+ local_irq_save(flags);
+ size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
+ if (size <= TLBSIZE) {
+ int oldpid = pevn_get() & ASID_MASK;
+ int newpid = vma_mm_context & ASID_MASK;
+
+ start &= PAGE_MASK;
+ end += (PAGE_SIZE - 1);
+ end &= PAGE_MASK;
+ while (start < end) {
+ int idx;
+
+ pevn_set(start | newpid);
+ start += PAGE_SIZE;
+ barrier();
+ tlb_probe();
+ idx = tlbpt_get();
+ pectx_set(0);
+ pevn_set(KSEG1);
+ if (idx < 0)
+ continue;
+ tlb_write_indexed();
+ }
+ pevn_set(oldpid);
+ } else {
+ /* Bigger than TLBSIZE, get new ASID directly */
+ get_new_mmu_context(mm);
+ if (mm == current->active_mm)
+ pevn_set(vma_mm_context & ASID_MASK);
+ }
+ local_irq_restore(flags);
+ }
+}
+
+void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
+{
+ unsigned long flags;
+ int size;
+
+ local_irq_save(flags);
+ size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
+ if (size <= TLBSIZE) {
+ int pid = pevn_get();
+
+ start &= PAGE_MASK;
+ end += PAGE_SIZE - 1;
+ end &= PAGE_MASK;
+
+ while (start < end) {
+ long idx;
+
+ pevn_set(start);
+ start += PAGE_SIZE;
+ tlb_probe();
+ idx = tlbpt_get();
+ if (idx < 0)
+ continue;
+ pectx_set(0);
+ pevn_set(KSEG1);
+ barrier();
+ tlb_write_indexed();
+ }
+ pevn_set(pid);
+ } else {
+ local_flush_tlb_all();
+ }
+
+ local_irq_restore(flags);
+}
+
+void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
+{
+ if (!vma || vma->vm_mm->context != 0) {
+ unsigned long flags;
+ int oldpid, newpid, idx;
+ unsigned long vma_ASID = vma->vm_mm->context;
+
+ newpid = vma_ASID & ASID_MASK;
+ page &= PAGE_MASK;
+ local_irq_save(flags);
+ oldpid = pevn_get() & ASID_MASK;
+ pevn_set(page | newpid);
+ barrier();
+ tlb_probe();
+ idx = tlbpt_get();
+ pectx_set(0);
+ pevn_set(KSEG1);
+ if (idx < 0) /* p_bit(31) - 1: miss, 0: hit*/
+ goto finish;
+ barrier();
+ tlb_write_indexed();
+finish:
+ pevn_set(oldpid);
+ local_irq_restore(flags);
+ }
+}
+
+/*
+ * This one is only used for pages with the global bit set so we don't care
+ * much about the ASID.
+ */
+void local_flush_tlb_one(unsigned long page)
+{
+ unsigned long flags;
+ int oldpid, idx;
+
+ local_irq_save(flags);
+ oldpid = pevn_get();
+ page &= (PAGE_MASK << 1);
+ pevn_set(page);
+ barrier();
+ tlb_probe();
+ idx = tlbpt_get();
+ pectx_set(0);
+ if (idx >= 0) {
+ /* Make sure all entries differ. */
+ pevn_set(KSEG1);
+ barrier();
+ tlb_write_indexed();
+ }
+ pevn_set(oldpid);
+ local_irq_restore(flags);
+}
+
+void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+{
+ unsigned long flags;
+ int idx, pid;
+
+ /*
+ * Handle debugger faulting in for debugee.
+ */
+ if (current->active_mm != vma->vm_mm)
+ return;
+
+ pid = pevn_get() & ASID_MASK;
+
+ local_irq_save(flags);
+ address &= PAGE_MASK;
+ pevn_set(address | pid);
+ barrier();
+ tlb_probe();
+ idx = tlbpt_get();
+ pectx_set(pte_val(pte));
+ pevn_set(address | pid);
+ if (idx < 0)
+ tlb_write_random();
+ else
+ tlb_write_indexed();
+
+ pevn_set(pid);
+ local_irq_restore(flags);
+}
+
+void __cpuinit tlb_init(void)
+{
+ tlblock_set(0);
+ local_flush_tlb_all();
+ memcpy((void *)(EXCEPTION_VECTOR_BASE_ADDR + 0x100),
+ &score7_FTLB_refill_Handler, 0xFC);
+ flush_icache_range(EXCEPTION_VECTOR_BASE_ADDR + 0x100,
+ EXCEPTION_VECTOR_BASE_ADDR + 0x1FC);
+}
--
GitLab
From 6bcf67374137f433e85aa42a18fde9f0e8562901 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Sat, 13 Jun 2009 15:24:33 +0800
Subject: [PATCH 002/742] score: add maintainers for score architecture
Signed-off-by: Chen Liqin <liqin.chen@sunplusct.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
MAINTAINERS | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 035df9d26609..ef643ddd5e8d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5000,6 +5000,14 @@ S: Maintained
F: kernel/sched*
F: include/linux/sched.h
+SCORE ARCHITECTURE
+P: Chen Liqin
+M: liqin.chen@sunplusct.com
+P: Lennox Wu
+M: lennox.wu@sunplusct.com
+W: http://www.sunplusct.com
+S: Supported
+
SCSI CDROM DRIVER
P: Jens Axboe
M: axboe@kernel.dk
--
GitLab
From 0402c91af944c61bf788370f03326959a35cb8be Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Fri, 19 Jun 2009 13:53:49 +0800
Subject: [PATCH 003/742] score: update files according to review comments
modified: arch/score/include/asm/cacheflush.h
modified: arch/score/include/asm/delay.h
modified: arch/score/include/asm/errno.h
modified: arch/score/include/asm/pgtable-bits.h
modified: arch/score/include/asm/pgtable.h
modified: arch/score/include/asm/ptrace.h
modified: arch/score/include/asm/unistd.h
modified: arch/score/kernel/entry.S
modified: arch/score/kernel/process.c
modified: arch/score/kernel/ptrace.c
modified: arch/score/kernel/signal.c
modified: arch/score/kernel/sys_score.c
modified: arch/score/kernel/traps.c
modified: arch/score/mm/cache.c
Signed-off-by: Chen Liqin <liqin.chen@sunplusct.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/include/asm/cacheflush.h | 18 ++--
arch/score/include/asm/delay.h | 11 +-
arch/score/include/asm/errno.h | 1 -
arch/score/include/asm/pgtable-bits.h | 2 +
arch/score/include/asm/pgtable.h | 59 ++++++-----
arch/score/include/asm/ptrace.h | 18 +++-
arch/score/include/asm/unistd.h | 3 +-
arch/score/kernel/entry.S | 6 +-
arch/score/kernel/process.c | 2 +-
arch/score/kernel/ptrace.c | 144 +++++++-------------------
arch/score/kernel/signal.c | 6 +-
arch/score/kernel/sys_score.c | 7 +-
arch/score/kernel/traps.c | 2 +-
arch/score/mm/cache.c | 125 +++++++---------------
14 files changed, 154 insertions(+), 250 deletions(-)
diff --git a/arch/score/include/asm/cacheflush.h b/arch/score/include/asm/cacheflush.h
index 1c74628caf71..07cc8fc457cd 100644
--- a/arch/score/include/asm/cacheflush.h
+++ b/arch/score/include/asm/cacheflush.h
@@ -4,18 +4,16 @@
/* Keep includes the same across arches. */
#include <linux/mm.h>
-extern void (*flush_cache_all)(void);
-extern void (*flush_cache_mm)(struct mm_struct *mm);
-extern void (*flush_cache_range)(struct vm_area_struct *vma,
+extern void flush_cache_all(void);
+extern void flush_cache_mm(struct mm_struct *mm);
+extern void flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end);
-extern void (*flush_cache_page)(struct vm_area_struct *vma,
+extern void flush_cache_page(struct vm_area_struct *vma,
unsigned long page, unsigned long pfn);
-extern void (*flush_cache_sigtramp)(unsigned long addr);
-extern void (*flush_icache_all)(void);
-extern void (*flush_icache_range)(unsigned long start, unsigned long end);
-extern void (*flush_data_cache_page)(unsigned long addr);
-
-extern void s7_flush_cache_all(void);
+extern void flush_cache_sigtramp(unsigned long addr);
+extern void flush_icache_all(void);
+extern void flush_icache_range(unsigned long start, unsigned long end);
+extern void flush_dcache_range(unsigned long start, unsigned long end);
#define flush_cache_dup_mm(mm) do {} while (0)
#define flush_dcache_page(page) do {} while (0)
diff --git a/arch/score/include/asm/delay.h b/arch/score/include/asm/delay.h
index ad716f6d922d..6726ec199dc0 100644
--- a/arch/score/include/asm/delay.h
+++ b/arch/score/include/asm/delay.h
@@ -3,17 +3,22 @@
static inline void __delay(unsigned long loops)
{
+ /* 3 cycles per loop. */
__asm__ __volatile__ (
- "1:\tsubi\t%0,1\n\t"
+ "1:\tsubi\t%0, 3\n\t"
"cmpz.c\t%0\n\t"
- "bne\t1b\n\t"
+ "ble\t1b\n\t"
: "=r" (loops)
: "0" (loops));
}
static inline void __udelay(unsigned long usecs)
{
- __delay(usecs);
+ unsigned long loops_per_usec;
+
+ loops_per_usec = (loops_per_jiffy * HZ) / 1000000;
+
+ __delay(usecs * loops_per_usec);
}
#define udelay(usecs) __udelay(usecs)
diff --git a/arch/score/include/asm/errno.h b/arch/score/include/asm/errno.h
index 7cd3e1f07c0b..29ff39d5ab47 100644
--- a/arch/score/include/asm/errno.h
+++ b/arch/score/include/asm/errno.h
@@ -2,6 +2,5 @@
#define _ASM_SCORE_ERRNO_H
#include <asm-generic/errno.h>
-#define EMAXERRNO 1024
#endif /* _ASM_SCORE_ERRNO_H */
diff --git a/arch/score/include/asm/pgtable-bits.h b/arch/score/include/asm/pgtable-bits.h
index ca16d357a644..7d65a96a82e5 100644
--- a/arch/score/include/asm/pgtable-bits.h
+++ b/arch/score/include/asm/pgtable-bits.h
@@ -17,6 +17,8 @@
#define _CACHE_MASK (1<<3)
#define _PAGE_BUFFERABLE (1<<4) /*Fallow Spec. */
+#define __READABLE (_PAGE_READ | _PAGE_SILENT_READ | _PAGE_ACCESSED)
+#define __WRITEABLE (_PAGE_WRITE | _PAGE_SILENT_WRITE | _PAGE_MODIFIED)
#define _PAGE_CHG_MASK \
(PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED | _PAGE_CACHE)
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h
index 0f7177a42205..5e913e57c671 100644
--- a/arch/score/include/asm/pgtable.h
+++ b/arch/score/include/asm/pgtable.h
@@ -106,24 +106,6 @@ static inline void pmd_clear(pmd_t *pmdp)
((swp_entry_t) { pte_val(pte)})
#define __swp_entry_to_pte(x) ((pte_t) {(x).val})
-#define __P000 __pgprot(0)
-#define __P001 __pgprot(0)
-#define __P010 __pgprot(0)
-#define __P011 __pgprot(0)
-#define __P100 __pgprot(0)
-#define __P101 __pgprot(0)
-#define __P110 __pgprot(0)
-#define __P111 __pgprot(0)
-
-#define __S000 __pgprot(0)
-#define __S001 __pgprot(0)
-#define __S010 __pgprot(0)
-#define __S011 __pgprot(0)
-#define __S100 __pgprot(0)
-#define __S101 __pgprot(0)
-#define __S110 __pgprot(0)
-#define __S111 __pgprot(0)
-
#define pmd_page(pmd) virt_to_page(__va(pmd_val(pmd)))
#define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot)
static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
@@ -136,10 +118,15 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
remap_pfn_range(vma, vaddr, pfn, size, prot)
-#define pgd_present(pgd) (1) /* pages are always present on non MMU */
+/*
+ * The "pgd_xxx()" functions here are trivial for a folded two-level
+ * setup: the pgd is never bad, and a pmd always exists (as it's folded
+ * into the pgd entry)
+ */
+#define pgd_present(pgd) (1)
#define pgd_none(pgd) (0)
#define pgd_bad(pgd) (0)
-#define pgd_clear(pgdp)
+#define pgd_clear(pgdp) do { } while (0)
#define kern_addr_valid(addr) (1)
#define pmd_offset(a, b) ((void *) 0)
@@ -150,11 +137,33 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
#define pud_offset(pgd, address) ((pud_t *) pgd)
-#define PAGE_NONE __pgprot(0) /* these mean nothing to non MMU */
-#define PAGE_SHARED __pgprot(0) /* these mean nothing to non MMU */
-#define PAGE_COPY __pgprot(0) /* these mean nothing to non MMU */
-#define PAGE_READONLY __pgprot(0) /* these mean nothing to non MMU */
-#define PAGE_KERNEL __pgprot(0) /* these mean nothing to non MMU */
+#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_CACHE)
+#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
+ _PAGE_CACHE)
+#define PAGE_COPY __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_CACHE)
+#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_CACHE)
+#define PAGE_KERNEL __pgprot(_PAGE_PRESENT | __READABLE | __WRITEABLE | \
+ _PAGE_GLOBAL | _PAGE_CACHE)
+#define PAGE_KERNEL_UNCACHED __pgprot(_PAGE_PRESENT | __READABLE | \
+ __WRITEABLE | _PAGE_GLOBAL & ~_PAGE_CACHE)
+
+#define __P000 PAGE_NONE
+#define __P001 PAGE_READONLY
+#define __P010 PAGE_COPY
+#define __P011 PAGE_COPY
+#define __P100 PAGE_READONLY
+#define __P101 PAGE_READONLY
+#define __P110 PAGE_COPY
+#define __P111 PAGE_COPY
+
+#define __S000 PAGE_NONE
+#define __S001 PAGE_READONLY
+#define __S010 PAGE_SHARED
+#define __S011 PAGE_SHARED
+#define __S100 PAGE_READONLY
+#define __S101 PAGE_READONLY
+#define __S110 PAGE_SHARED
+#define __S111 PAGE_SHARED
#define pgprot_noncached(x) (x)
diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h
index 1a4900ac49f3..66b14c8891cf 100644
--- a/arch/score/include/asm/ptrace.h
+++ b/arch/score/include/asm/ptrace.h
@@ -1,6 +1,9 @@
#ifndef _ASM_SCORE_PTRACE_H
#define _ASM_SCORE_PTRACE_H
+#define PTRACE_GETREGS 12
+#define PTRACE_SETREGS 13
+
#define PC 32
#define CONDITION 33
#define ECR 34
@@ -76,12 +79,17 @@ struct pt_regs {
*/
#define user_mode(regs) ((regs->cp0_psr & 8) == 8)
-#define instruction_pointer(regs) (0)
-#define profile_pc(regs) instruction_pointer(regs)
+#define instruction_pointer(regs) ((unsigned long)(regs)->cp0_epc)
+#define profile_pc(regs) instruction_pointer(regs)
-extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit);
+extern void do_syscall_trace(struct pt_regs *regs, int entryexit);
extern int read_tsk_long(struct task_struct *, unsigned long, unsigned long *);
-extern void clear_single_step(struct task_struct *);
-#endif
+extern int read_tsk_short(struct task_struct *, unsigned long,
+ unsigned short *);
+
+#define arch_has_single_step() (1)
+extern void user_enable_single_step(struct task_struct *);
+extern void user_disable_single_step(struct task_struct *);
+#endif /* __KERNEL__ */
#endif /* _ASM_SCORE_PTRACE_H */
diff --git a/arch/score/include/asm/unistd.h b/arch/score/include/asm/unistd.h
index 9aa3a159bbf6..f0f84deeb564 100644
--- a/arch/score/include/asm/unistd.h
+++ b/arch/score/include/asm/unistd.h
@@ -1,7 +1,8 @@
-#ifndef _ASM_SCORE_UNISTD_H
+#if !defined(_ASM_SCORE_UNISTD_H) || defined(__SYSCALL)
#define _ASM_SCORE_UNISTD_H
#define __ARCH_HAVE_MMU
+#define __ARCH_WANT_IPC_PARSE_VERSION
#include <asm-generic/unistd.h>
diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S
index 6c6b7ea58afa..0af89b2f16b0 100644
--- a/arch/score/kernel/entry.S
+++ b/arch/score/kernel/entry.S
@@ -23,7 +23,7 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <linux/errno.h>
+#include <linux/err.h>
#include <linux/init.h>
#include <linux/linkage.h>
@@ -434,7 +434,7 @@ stack_done:
sw r8, [r0, PT_R7]
b 2f
1:
- cmpi.c r4, -EMAXERRNO-1 # -EMAXERRNO - 1=-1134
+ cmpi.c r4, -MAX_ERRNO - 1
ble 2f
ldi r8, 0x1;
sw r8, [r0, PT_R7]
@@ -466,7 +466,7 @@ syscall_trace_entry:
lw r7, [r0, PT_R7]
brl r8
- li r8, -EMAXERRNO - 1 # error?
+ li r8, -MAX_ERRNO - 1
sw r8, [r0, PT_R7] # set error flag
neg r4, r4 # error
diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
index aaa3085251fa..d93966f7ac83 100644
--- a/arch/score/kernel/process.c
+++ b/arch/score/kernel/process.c
@@ -56,7 +56,7 @@ void __noreturn cpu_idle(void)
}
}
-asmlinkage void ret_from_fork(void);
+void ret_from_fork(void);
void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp)
{
diff --git a/arch/score/kernel/ptrace.c b/arch/score/kernel/ptrace.c
index 8fe7209355aa..19911e3187be 100644
--- a/arch/score/kernel/ptrace.c
+++ b/arch/score/kernel/ptrace.c
@@ -80,7 +80,35 @@ write_tsk_long(struct task_struct *child,
return copied != sizeof(val) ? -EIO : 0;
}
-void set_single_step(struct task_struct *child)
+/*
+ * Get all user integer registers.
+ */
+static int ptrace_getregs(struct task_struct *tsk, void __user *uregs)
+{
+ struct pt_regs *regs = task_pt_regs(tsk);
+
+ return copy_to_user(uregs, regs, sizeof(struct pt_regs)) ? -EFAULT : 0;
+}
+
+/*
+ * Set all user integer registers.
+ */
+static int ptrace_setregs(struct task_struct *tsk, void __user *uregs)
+{
+ struct pt_regs newregs;
+ int ret;
+
+ ret = -EFAULT;
+ if (copy_from_user(&newregs, uregs, sizeof(struct pt_regs)) == 0) {
+ struct pt_regs *regs = task_pt_regs(tsk);
+ *regs = newregs;
+ ret = 0;
+ }
+
+ return ret;
+}
+
+void user_enable_single_step(struct task_struct *child)
{
/* far_epc is the target of branch */
unsigned int epc, far_epc = 0;
@@ -201,7 +229,7 @@ void set_single_step(struct task_struct *child)
}
}
-void clear_single_step(struct task_struct *child)
+void user_disable_single_step(struct task_struct *child)
{
if (child->thread.insn1_type == 0)
write_tsk_short(child, child->thread.addr1,
@@ -230,54 +258,17 @@ void clear_single_step(struct task_struct *child)
child->thread.ss_nextcnt = 0;
}
-
-void ptrace_disable(struct task_struct *child) {}
+void ptrace_disable(struct task_struct *child)
+{
+ user_disable_single_step(child);
+}
long
arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
int ret;
- if (request == PTRACE_TRACEME) {
- /* are we already being traced? */
- if (current->ptrace & PT_PTRACED)
- return -EPERM;
-
- /* set the ptrace bit in the process flags. */
- current->ptrace |= PT_PTRACED;
- return 0;
- }
-
- ret = -ESRCH;
- if (!child)
- return ret;
-
- ret = -EPERM;
-
- if (request == PTRACE_ATTACH) {
- ret = ptrace_attach(child);
- return ret;
- }
-
- ret = ptrace_check_attach(child, request == PTRACE_KILL);
- if (ret < 0)
- return ret;
-
switch (request) {
- case PTRACE_PEEKTEXT: /* read word at location addr. */
- case PTRACE_PEEKDATA: {
- unsigned long tmp;
- int copied;
-
- copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
- ret = -EIO;
- if (copied != sizeof(tmp))
- break;
-
- ret = put_user(tmp, (unsigned long *) data);
- return ret;
- }
-
/* Read the word at location addr in the USER area. */
case PTRACE_PEEKUSR: {
struct pt_regs *regs;
@@ -329,15 +320,6 @@ arch_ptrace(struct task_struct *child, long request, long addr, long data)
return ret;
}
- case PTRACE_POKETEXT: /* write the word at location addr. */
- case PTRACE_POKEDATA:
- ret = 0;
- if (access_process_vm(child, addr, &data, sizeof(data), 1)
- == sizeof(data))
- break;
- ret = -EIO;
- return ret;
-
case PTRACE_POKEUSR: {
struct pt_regs *regs;
ret = 0;
@@ -372,64 +354,16 @@ arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
}
- case PTRACE_SYSCALL: /* continue and stop at next
- (return from) syscall. */
- case PTRACE_CONT: { /* restart after signal. */
- ret = -EIO;
- if (!valid_signal(data))
- break;
- if (request == PTRACE_SYSCALL)
- set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- else
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
- child->exit_code = data;
- wake_up_process(child);
- ret = 0;
- break;
- }
-
- /*
- * make the child exit. Best I can do is send it a sigkill.
- * perhaps it should be put in the status that it wants to
- * exit.
- */
- case PTRACE_KILL:
- ret = 0;
- if (child->state == EXIT_ZOMBIE) /* already dead. */
- break;
- child->exit_code = SIGKILL;
- clear_single_step(child);
- wake_up_process(child);
+ case PTRACE_GETREGS:
+ ret = ptrace_getregs(child, (void __user *)data);
break;
- case PTRACE_SINGLESTEP: { /* set the trap flag. */
- ret = -EIO;
- if ((unsigned long) data > _NSIG)
- break;
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- set_single_step(child);
- child->exit_code = data;
- /* give it a chance to run. */
- wake_up_process(child);
- ret = 0;
- break;
- }
-
- case PTRACE_DETACH: /* detach a process that was attached. */
- ret = ptrace_detach(child, data);
- break;
-
- case PTRACE_SETOPTIONS:
- if (data & PTRACE_O_TRACESYSGOOD)
- child->ptrace |= PT_TRACESYSGOOD;
- else
- child->ptrace &= ~PT_TRACESYSGOOD;
- ret = 0;
+ case PTRACE_SETREGS:
+ ret = ptrace_setregs(child, (void __user *)data);
break;
default:
- ret = -EIO;
+ ret = ptrace_request(child, request, addr, data);
break;
}
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
index b4ed1b3f8072..5c004084d17d 100644
--- a/arch/score/kernel/signal.c
+++ b/arch/score/kernel/signal.c
@@ -132,7 +132,7 @@ void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
return (void *)((sp - frame_size) & ~7);
}
-asmlinkage int score_sigaltstack(struct pt_regs *regs)
+int score_sigaltstack(struct pt_regs *regs)
{
const stack_t *uss = (const stack_t *) regs->regs[4];
stack_t *uoss = (stack_t *) regs->regs[5];
@@ -141,7 +141,7 @@ asmlinkage int score_sigaltstack(struct pt_regs *regs)
return do_sigaltstack(uss, uoss, usp);
}
-asmlinkage void score_rt_sigreturn(struct pt_regs *regs)
+void score_rt_sigreturn(struct pt_regs *regs)
{
struct rt_sigframe __user *frame;
sigset_t set;
@@ -276,7 +276,7 @@ int handle_signal(unsigned long sig, siginfo_t *info,
return ret;
}
-asmlinkage void do_signal(struct pt_regs *regs)
+void do_signal(struct pt_regs *regs)
{
struct k_sigaction ka;
sigset_t *oldset;
diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c
index 6a60d1ee5330..68655f4cbce9 100644
--- a/arch/score/kernel/sys_score.c
+++ b/arch/score/kernel/sys_score.c
@@ -64,8 +64,7 @@ sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
* Clone a task - this clones the calling program thread.
* This is called indirectly via a small wrapper
*/
-asmlinkage int
-score_clone(struct pt_regs *regs)
+int score_clone(struct pt_regs *regs)
{
unsigned long clone_flags;
unsigned long newsp;
@@ -93,7 +92,7 @@ score_clone(struct pt_regs *regs)
* sys_execve() executes a new program.
* This is called indirectly via a small wrapper
*/
-asmlinkage int score_execve(struct pt_regs *regs)
+int score_execve(struct pt_regs *regs)
{
int error;
char *filename;
@@ -114,7 +113,7 @@ asmlinkage int score_execve(struct pt_regs *regs)
* If we ever come here the user sp is bad. Zap the process right away.
* Due to the bad stack signaling wouldn't work.
*/
-asmlinkage void bad_stack(void)
+void bad_stack(void)
{
do_exit(SIGSEGV);
}
diff --git a/arch/score/kernel/traps.c b/arch/score/kernel/traps.c
index 957ae9eb3567..0e46fb19a848 100644
--- a/arch/score/kernel/traps.c
+++ b/arch/score/kernel/traps.c
@@ -252,7 +252,7 @@ asmlinkage void do_ri(struct pt_regs *regs)
if (current->thread.single_step == 1) {
if ((epc == current->thread.addr1) ||
(epc == current->thread.addr2)) {
- clear_single_step(current);
+ user_disable_single_step(current);
force_sig(SIGTRAP, current);
return;
} else
diff --git a/arch/score/mm/cache.c b/arch/score/mm/cache.c
index 1ebc67f18c6d..dbac9d9dfddd 100644
--- a/arch/score/mm/cache.c
+++ b/arch/score/mm/cache.c
@@ -32,34 +32,26 @@
#include <asm/mmu_context.h>
-/* Cache operations. */
-void (*flush_cache_all)(void);
-void (*__flush_cache_all)(void);
-void (*flush_cache_mm)(struct mm_struct *mm);
-void (*flush_cache_range)(struct vm_area_struct *vma,
- unsigned long start, unsigned long end);
-void (*flush_cache_page)(struct vm_area_struct *vma,
- unsigned long page, unsigned long pfn);
-void (*flush_icache_range)(unsigned long start, unsigned long end);
-void (*__flush_cache_vmap)(void);
-void (*__flush_cache_vunmap)(void);
-void (*flush_cache_sigtramp)(unsigned long addr);
-void (*flush_data_cache_page)(unsigned long addr);
-EXPORT_SYMBOL(flush_data_cache_page);
-void (*flush_icache_all)(void);
-
-/*Score 7 cache operations*/
-static inline void s7___flush_cache_all(void);
-static void s7_flush_cache_mm(struct mm_struct *mm);
-static void s7_flush_cache_range(struct vm_area_struct *vma,
- unsigned long start, unsigned long end);
-static void s7_flush_cache_page(struct vm_area_struct *vma,
- unsigned long page, unsigned long pfn);
-static void s7_flush_icache_range(unsigned long start, unsigned long end);
-static void s7_flush_cache_sigtramp(unsigned long addr);
-static void s7_flush_data_cache_page(unsigned long addr);
-static void s7_flush_dcache_range(unsigned long start, unsigned long end);
+/*
+Just flush entire Dcache!!
+You must ensure the page doesn't include instructions, because
+the function will not flush the Icache.
+The addr must be cache aligned.
+*/
+static void flush_data_cache_page(unsigned long addr)
+{
+ unsigned int i;
+ for (i = 0; i < (PAGE_SIZE / L1_CACHE_BYTES); i += L1_CACHE_BYTES) {
+ __asm__ __volatile__(
+ "cache 0x0e, [%0, 0]\n"
+ "cache 0x1a, [%0, 0]\n"
+ "nop\n"
+ : : "r" (addr));
+ addr += L1_CACHE_BYTES;
+ }
+}
+/* called by update_mmu_cache. */
void __update_cache(struct vm_area_struct *vma, unsigned long address,
pte_t pte)
{
@@ -74,7 +66,7 @@ void __update_cache(struct vm_area_struct *vma, unsigned long address,
if (page_mapping(page) && test_bit(PG_arch_1, &page->flags)) {
addr = (unsigned long) page_address(page);
if (exec)
- s7_flush_data_cache_page(addr);
+ flush_data_cache_page(addr);
clear_bit(PG_arch_1, &page->flags);
}
}
@@ -101,44 +93,22 @@ static inline void setup_protection_map(void)
void __devinit cpu_cache_init(void)
{
- flush_cache_all = s7_flush_cache_all;
- __flush_cache_all = s7___flush_cache_all;
- flush_cache_mm = s7_flush_cache_mm;
- flush_cache_range = s7_flush_cache_range;
- flush_cache_page = s7_flush_cache_page;
- flush_icache_range = s7_flush_icache_range;
- flush_cache_sigtramp = s7_flush_cache_sigtramp;
- flush_data_cache_page = s7_flush_data_cache_page;
-
setup_protection_map();
}
-void s7_flush_icache_all(void)
+void flush_icache_all(void)
{
__asm__ __volatile__(
- "la r8, s7_flush_icache_all\n"
+ "la r8, flush_icache_all\n"
"cache 0x10, [r8, 0]\n"
"nop\nnop\nnop\nnop\nnop\nnop\n"
: : : "r8");
}
-void s7_flush_dcache_all(void)
-{
- __asm__ __volatile__(
- "la r8, s7_flush_dcache_all\n"
- "cache 0x1f, [r8, 0]\n"
- "nop\nnop\nnop\nnop\nnop\nnop\n"
- "cache 0x1a, [r8, 0]\n"
- "nop\nnop\nnop\nnop\nnop\nnop\n"
- : : : "r8");
-}
-
-void s7_flush_cache_all(void)
+void flush_dcache_all(void)
{
__asm__ __volatile__(
- "la r8, s7_flush_cache_all\n"
- "cache 0x10, [r8, 0]\n"
- "nop\nnop\nnop\nnop\nnop\nnop\n"
+ "la r8, flush_dcache_all\n"
"cache 0x1f, [r8, 0]\n"
"nop\nnop\nnop\nnop\nnop\nnop\n"
"cache 0x1a, [r8, 0]\n"
@@ -146,10 +116,10 @@ void s7_flush_cache_all(void)
: : : "r8");
}
-void s7___flush_cache_all(void)
+void flush_cache_all(void)
{
__asm__ __volatile__(
- "la r8, s7_flush_cache_all\n"
+ "la r8, flush_cache_all\n"
"cache 0x10, [r8, 0]\n"
"nop\nnop\nnop\nnop\nnop\nnop\n"
"cache 0x1f, [r8, 0]\n"
@@ -159,11 +129,11 @@ void s7___flush_cache_all(void)
: : : "r8");
}
-static void s7_flush_cache_mm(struct mm_struct *mm)
+void flush_cache_mm(struct mm_struct *mm)
{
if (!(mm->context))
return;
- s7_flush_cache_all();
+ flush_cache_all();
}
/*if we flush a range precisely , the processing may be very long.
@@ -176,8 +146,7 @@ The interface is provided in hopes that the port can find
a suitably efficient method for removing multiple page
sized regions from the cache.
*/
-static void
-s7_flush_cache_range(struct vm_area_struct *vma,
+void flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
struct mm_struct *mm = vma->vm_mm;
@@ -209,27 +178,26 @@ s7_flush_cache_range(struct vm_area_struct *vma,
tmpend = (start | (PAGE_SIZE-1)) > end ?
end : (start | (PAGE_SIZE-1));
- s7_flush_dcache_range(start, tmpend);
+ flush_dcache_range(start, tmpend);
if (exec)
- s7_flush_icache_range(start, tmpend);
+ flush_icache_range(start, tmpend);
start = (start + PAGE_SIZE) & ~(PAGE_SIZE - 1);
}
}
-static void
-s7_flush_cache_page(struct vm_area_struct *vma,
+void flush_cache_page(struct vm_area_struct *vma,
unsigned long addr, unsigned long pfn)
{
int exec = vma->vm_flags & VM_EXEC;
unsigned long kaddr = 0xa0000000 | (pfn << PAGE_SHIFT);
- s7_flush_dcache_range(kaddr, kaddr + PAGE_SIZE);
+ flush_dcache_range(kaddr, kaddr + PAGE_SIZE);
if (exec)
- s7_flush_icache_range(kaddr, kaddr + PAGE_SIZE);
+ flush_icache_range(kaddr, kaddr + PAGE_SIZE);
}
-static void s7_flush_cache_sigtramp(unsigned long addr)
+void flush_cache_sigtramp(unsigned long addr)
{
__asm__ __volatile__(
"cache 0x02, [%0, 0]\n"
@@ -247,31 +215,12 @@ static void s7_flush_cache_sigtramp(unsigned long addr)
: : "r" (addr));
}
-/*
-Just flush entire Dcache!!
-You must ensure the page doesn't include instructions, because
-the function will not flush the Icache.
-The addr must be cache aligned.
-*/
-static void s7_flush_data_cache_page(unsigned long addr)
-{
- unsigned int i;
- for (i = 0; i < (PAGE_SIZE / L1_CACHE_BYTES); i += L1_CACHE_BYTES) {
- __asm__ __volatile__(
- "cache 0x0e, [%0, 0]\n"
- "cache 0x1a, [%0, 0]\n"
- "nop\n"
- : : "r" (addr));
- addr += L1_CACHE_BYTES;
- }
-}
-
/*
1. WB and invalid a cache line of Dcache
2. Drain Write Buffer
the range must be smaller than PAGE_SIZE
*/
-static void s7_flush_dcache_range(unsigned long start, unsigned long end)
+void flush_dcache_range(unsigned long start, unsigned long end)
{
int size, i;
@@ -290,7 +239,7 @@ static void s7_flush_dcache_range(unsigned long start, unsigned long end)
}
}
-static void s7_flush_icache_range(unsigned long start, unsigned long end)
+void flush_icache_range(unsigned long start, unsigned long end)
{
int size, i;
start = start & ~(L1_CACHE_BYTES - 1);
--
GitLab
From 72ea3723411c18cace4c8c9e0ccf4116d5e6eaaa Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 19 Jun 2009 11:11:55 +0200
Subject: [PATCH 004/742] score: unset __ARCH_WANT_IPC_PARSE_VERSION
This really should not be needed. The change for not changing
the IPC code for every new architecture just went into 2.6.31,
so we can skip it now.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/include/asm/unistd.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/score/include/asm/unistd.h b/arch/score/include/asm/unistd.h
index f0f84deeb564..0d98b72f462a 100644
--- a/arch/score/include/asm/unistd.h
+++ b/arch/score/include/asm/unistd.h
@@ -2,7 +2,6 @@
#define _ASM_SCORE_UNISTD_H
#define __ARCH_HAVE_MMU
-#define __ARCH_WANT_IPC_PARSE_VERSION
#include <asm-generic/unistd.h>
--
GitLab
From 78229db4c4f78f27ecf772fe7489a70530ba9862 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 19 Jun 2009 11:22:30 +0200
Subject: [PATCH 005/742] score: remove __{put,get}_user_unknown
The point of these extern declarations is to provoke a link
error, so an architecture must not provide a symbol for them.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/lib/string.S | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/arch/score/lib/string.S b/arch/score/lib/string.S
index 943d0911ea89..00b7d3a2fc60 100644
--- a/arch/score/lib/string.S
+++ b/arch/score/lib/string.S
@@ -182,15 +182,3 @@ ENTRY(__clear_user)
99:
.word 0b, 99b
.previous
-
- .align 2
-ENTRY(__put_user_unknown)
- .set volatile
- ldi r4, -EFAULT
- br r3
-
- .align 2
-ENTRY(__get_user_unknown)
- ldi r5, 0
- ldi r4, -EFAULT
- br r3
--
GitLab
From f673c032ed13ed8f3fda5922c2190da2892398bc Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 19 Jun 2009 11:31:54 +0200
Subject: [PATCH 006/742] score: add generic sys_call_table
This adds back a sys_call_table to the score architecture, which
got lost in the conversion to the generic unistd.h file.
It's rather worrying that the code got submitted without a
system call table, which evidently means that it got zero
testing.
Since the system call table has a different layout from the old
one (which was modeled after the mips-o32 one), I also try to
fix the entry.S path to use it. In the modified calling conventions,
all system call arguments are passed as registers r4 through r9,
instead of r4 through r7 plus stack for the fifth and sixth argument.
This matches what other architectures to when they normally pass
arguments on the stack.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/kernel/Makefile | 3 +-
arch/score/kernel/entry.S | 47 ++----------------------------
arch/score/kernel/sys_call_table.c | 12 ++++++++
arch/score/kernel/sys_score.c | 9 +-----
4 files changed, 18 insertions(+), 53 deletions(-)
create mode 100644 arch/score/kernel/sys_call_table.c
diff --git a/arch/score/kernel/Makefile b/arch/score/kernel/Makefile
index 1e5de89d5c73..f218673b5d3d 100644
--- a/arch/score/kernel/Makefile
+++ b/arch/score/kernel/Makefile
@@ -5,6 +5,7 @@
extra-y := head.o vmlinux.lds
obj-y += entry.o init_task.o irq.o process.o ptrace.o \
- setup.o signal.o sys_score.o time.o traps.o
+ setup.o signal.o sys_score.o time.o traps.o \
+ sys_call_table.o
obj-$(CONFIG_MODULES) += module.o
diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S
index 0af89b2f16b0..2f169175bbd9 100644
--- a/arch/score/kernel/entry.S
+++ b/arch/score/kernel/entry.S
@@ -400,6 +400,8 @@ ENTRY(handle_sys)
sw r4, [r0, PT_ORIG_R4] #for restart syscall
sw r7, [r0, PT_ORIG_R7] #for restart syscall
sw r27, [r0, PT_IS_SYSCALL] # it from syscall
+ sw r8, [r0, 16] # argument 5 from user r8
+ sw r9, [r0, 20] # argument 6 from user r9
lw r9, [r0, PT_EPC] # skip syscall on return
addi r9, 4
@@ -408,19 +410,14 @@ ENTRY(handle_sys)
cmpi.c r27, __NR_syscalls # check syscall number
bgtu illegal_syscall
- slli r8, r27, 3 # get syscall routine
+ slli r8, r27, 2 # get syscall routine
la r11, sys_call_table
add r11, r11, r8
lw r10, [r11] # get syscall entry
- lw r11, [r11, 4] # get number of args
cmpz.c r10
beq illegal_syscall
- cmpi.c r11, 4 # more than 4 arguments?
- bgtu stackargs
-
-stack_done:
lw r8, [r28, TI_FLAGS]
li r9, _TIF_SYSCALL_TRACE
and.c r8, r8, r9
@@ -475,44 +472,6 @@ syscall_trace_entry:
1: sw r4, [r0, PT_R2] # result
j syscall_exit
-stackargs:
- lw r8, [r0, PT_R0]
- andri.c r9, r8, 3 # test whether user sp is align a word
- bne bad_stack
- subi r11, 5
- slli r9, r11, 2
- add.c r9, r9, r8
-
- bmi bad_stack
- la r9, 3f # calculate branch address
- slli r11, r11, 3
- sub r9, r9, r11
- br r9
-
-2: lw r9, [r8, 20] # argument 6 from usp
- sw r9, [r0, 20]
-
-3: lw r9, [r8, 16] # argument 5 from usp
- sw r9, [r0, 16]
- j stack_done
-
- .section __ex_table,"a"
- .word 2b, bad_stack
- .word 3b, bad_stack
- .previous
-
- /*
- * The stackpointer for a call with more than 4 arguments is bad.
- * We probably should handle this case a bit more drastic.
- */
-bad_stack:
- neg r27, r27 # error
- sw r27, [r0, PT_ORIG_R4]
- sw r27, [r0, PT_R4]
- ldi r8, 1 # set error flag
- sw r8, [r0, PT_R7]
- j syscall_return
-
illegal_syscall:
ldi r4, -ENOSYS # error
sw r4, [r0, PT_ORIG_R4]
diff --git a/arch/score/kernel/sys_call_table.c b/arch/score/kernel/sys_call_table.c
new file mode 100644
index 000000000000..287369b88c43
--- /dev/null
+++ b/arch/score/kernel/sys_call_table.c
@@ -0,0 +1,12 @@
+#include <linux/syscalls.h>
+#include <linux/signal.h>
+#include <linux/unistd.h>
+
+#include <asm/syscalls.h>
+
+#undef __SYSCALL
+#define __SYSCALL(nr, call) [nr] = (call),
+
+void *sys_call_table[__NR_syscalls] = {
+#include <asm/unistd.h>
+};
diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c
index 68655f4cbce9..331886104325 100644
--- a/arch/score/kernel/sys_score.c
+++ b/arch/score/kernel/sys_score.c
@@ -75,14 +75,7 @@ int score_clone(struct pt_regs *regs)
if (!newsp)
newsp = regs->regs[0];
parent_tidptr = (int __user *)regs->regs[6];
-
- child_tidptr = NULL;
- if (clone_flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)) {
- int __user *__user *usp = (int __user *__user *)regs->regs[0];
-
- if (get_user(child_tidptr, &usp[4]))
- return -EFAULT;
- }
+ child_tidptr = (int __user *)regs->regs[8];
return do_fork(clone_flags, newsp, regs, 0,
parent_tidptr, child_tidptr);
--
GitLab
From b5022df4c275607f0824526eceb3c217e85279f3 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 19 Jun 2009 11:45:18 +0200
Subject: [PATCH 007/742] score: remove init_mm
init_mm is now part of the common code and not provided
by the architecture any more.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/kernel/init_task.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/score/kernel/init_task.c b/arch/score/kernel/init_task.c
index 9eecde00932f..54d9552afd6a 100644
--- a/arch/score/kernel/init_task.c
+++ b/arch/score/kernel/init_task.c
@@ -26,8 +26,6 @@
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
-struct mm_struct init_mm = INIT_MM(init_mm);
-EXPORT_SYMBOL(init_mm);
/*
* Initial thread structure.
--
GitLab
From 2f476ef61f0e00fe3fcb96693b6a624a6c52fad9 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 19 Jun 2009 13:40:41 +0200
Subject: [PATCH 008/742] score: add prototypes for wrapped syscalls
Every system call should be declared, so this adds missing
declarations for the ones we were missing so far.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/include/asm/syscalls.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/score/include/asm/syscalls.h b/arch/score/include/asm/syscalls.h
index 00c28e04fdfc..1dd5e0d6b0c3 100644
--- a/arch/score/include/asm/syscalls.h
+++ b/arch/score/include/asm/syscalls.h
@@ -1,8 +1,10 @@
#ifndef _ASM_SCORE_SYSCALLS_H
#define _ASM_SCORE_SYSCALLS_H
-asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs);
-#define sys_clone sys_clone
+asmlinkage long score_clone(struct pt_regs *regs);
+asmlinkage long score_execve(struct pt_regs *regs);
+asmlinkage long score_sigaltstack(struct pt_regs *regs);
+asmlinkage long score_rt_sigreturn(struct pt_regs *regs);
#include <asm-generic/syscalls.h>
--
GitLab
From e831a9c6186ca1f63fdf2f41628193dd690ab440 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Mon, 22 Jun 2009 17:10:57 +0800
Subject: [PATCH 009/742] score: move save arg5 and arg6 instruction in front
of enable_irq
Because enable_irq clobber r8 before arg5 was saved.
modified: arch/score/kernel/entry.S
Signed-off-by: Chen Liqin <liqin.chen@sunplusct.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/kernel/entry.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S
index 2f169175bbd9..10e859ddefd1 100644
--- a/arch/score/kernel/entry.S
+++ b/arch/score/kernel/entry.S
@@ -395,13 +395,13 @@ ENTRY(resume)
ENTRY(handle_sys)
SAVE_ALL
+ sw r8, [r0, 16] # argument 5 from user r8
+ sw r9, [r0, 20] # argument 6 from user r9
enable_irq
sw r4, [r0, PT_ORIG_R4] #for restart syscall
sw r7, [r0, PT_ORIG_R7] #for restart syscall
sw r27, [r0, PT_IS_SYSCALL] # it from syscall
- sw r8, [r0, 16] # argument 5 from user r8
- sw r9, [r0, 20] # argument 6 from user r9
lw r9, [r0, PT_EPC] # skip syscall on return
addi r9, 4
--
GitLab
From 9fb24cc50045ec8d13d0a6c3d4d454750b466d61 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Sat, 27 Jun 2009 14:50:51 +0200
Subject: [PATCH 010/742] score: add missing #includes
Files that define a global function should #include the
header with its declaration to make sure that the prototypes
do not diverge.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/include/asm/ucontext.h | 1 +
arch/score/kernel/module.c | 1 +
arch/score/kernel/process.c | 3 +++
arch/score/kernel/signal.c | 4 +++-
arch/score/kernel/sys_score.c | 2 ++
5 files changed, 10 insertions(+), 1 deletion(-)
create mode 100644 arch/score/include/asm/ucontext.h
diff --git a/arch/score/include/asm/ucontext.h b/arch/score/include/asm/ucontext.h
new file mode 100644
index 000000000000..9bc07b9f30fb
--- /dev/null
+++ b/arch/score/include/asm/ucontext.h
@@ -0,0 +1 @@
+#include <asm-generic/ucontext.h>
diff --git a/arch/score/kernel/module.c b/arch/score/kernel/module.c
index 4ffce7fe1560..1a625572ecc8 100644
--- a/arch/score/kernel/module.c
+++ b/arch/score/kernel/module.c
@@ -23,6 +23,7 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <linux/moduleloader.h>
#include <linux/module.h>
#include <linux/vmalloc.h>
diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
index d93966f7ac83..25d08030a883 100644
--- a/arch/score/kernel/process.c
+++ b/arch/score/kernel/process.c
@@ -24,6 +24,9 @@
*/
#include <linux/module.h>
+#include <linux/reboot.h>
+#include <linux/elfcore.h>
+#include <linux/pm.h>
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
index 5c004084d17d..252f6d95ad9e 100644
--- a/arch/score/kernel/signal.c
+++ b/arch/score/kernel/signal.c
@@ -27,7 +27,9 @@
#include <linux/signal.h>
#include <linux/unistd.h>
#include <linux/uaccess.h>
-#include <asm-generic/ucontext.h>
+
+#include <asm/syscalls.h>
+#include <asm/ucontext.h>
#include <asm/cacheflush.h>
diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c
index 331886104325..eb4d2d3b97ad 100644
--- a/arch/score/kernel/sys_score.c
+++ b/arch/score/kernel/sys_score.c
@@ -28,6 +28,8 @@
#include <linux/mman.h>
#include <linux/module.h>
#include <linux/unistd.h>
+#include <linux/syscalls.h>
+#include <asm/syscalls.h>
unsigned long shm_align_mask = PAGE_SIZE - 1;
EXPORT_SYMBOL(shm_align_mask);
--
GitLab
From a1f8213b9518d0e9124a48a34bdd58b4bc2650e5 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Sat, 27 Jun 2009 15:05:30 +0200
Subject: [PATCH 011/742] score: add address space annotations
Annotate the address space for pointers that are used
correctly with __user and __iomem, so that sparse
can better warn about incorrect casts.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/include/asm/uaccess.h | 4 ++--
arch/score/kernel/ptrace.c | 7 ++++---
arch/score/kernel/signal.c | 10 +++++-----
arch/score/kernel/sys_score.c | 9 +++++----
4 files changed, 16 insertions(+), 14 deletions(-)
diff --git a/arch/score/include/asm/uaccess.h b/arch/score/include/asm/uaccess.h
index 43ce28a1d0fc..6f09e2b7ddb9 100644
--- a/arch/score/include/asm/uaccess.h
+++ b/arch/score/include/asm/uaccess.h
@@ -13,9 +13,9 @@ extern int fixup_exception(struct pt_regs *regs);
#ifndef __ASSEMBLY__
#define __range_ok(addr, size) \
- ((((unsigned long)(addr) >= 0x80000000) \
+ ((((unsigned long __force)(addr) >= 0x80000000) \
|| ((unsigned long)(size) > 0x80000000) \
- || (((unsigned long)(addr) + (unsigned long)(size)) > 0x80000000)))
+ || (((unsigned long __force)(addr) + (unsigned long)(size)) > 0x80000000)))
#define __access_ok(addr, size) \
(__range_ok((addr), (size)) == 0)
diff --git a/arch/score/kernel/ptrace.c b/arch/score/kernel/ptrace.c
index 19911e3187be..1db876b11476 100644
--- a/arch/score/kernel/ptrace.c
+++ b/arch/score/kernel/ptrace.c
@@ -267,6 +267,7 @@ long
arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
int ret;
+ unsigned long __user *datap = (void __user *)data;
switch (request) {
/* Read the word at location addr in the USER area. */
@@ -316,7 +317,7 @@ arch_ptrace(struct task_struct *child, long request, long addr, long data)
return -EIO;
}
- ret = put_user(tmp, (unsigned long *) data);
+ ret = put_user(tmp, (unsigned int __user *) datap);
return ret;
}
@@ -355,11 +356,11 @@ arch_ptrace(struct task_struct *child, long request, long addr, long data)
}
case PTRACE_GETREGS:
- ret = ptrace_getregs(child, (void __user *)data);
+ ret = ptrace_getregs(child, (void __user *)datap);
break;
case PTRACE_SETREGS:
- ret = ptrace_setregs(child, (void __user *)data);
+ ret = ptrace_setregs(child, (void __user *)datap);
break;
default:
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
index 252f6d95ad9e..1634aaa7c2ba 100644
--- a/arch/score/kernel/signal.c
+++ b/arch/score/kernel/signal.c
@@ -131,13 +131,13 @@ void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
if ((ka->sa.sa_flags & SA_ONSTACK) && (!on_sig_stack(sp)))
sp = current->sas_ss_sp + current->sas_ss_size;
- return (void *)((sp - frame_size) & ~7);
+ return (void __user*)((sp - frame_size) & ~7);
}
int score_sigaltstack(struct pt_regs *regs)
{
- const stack_t *uss = (const stack_t *) regs->regs[4];
- stack_t *uoss = (stack_t *) regs->regs[5];
+ const stack_t __user *uss = (const stack_t __user *) regs->regs[4];
+ stack_t __user *uoss = (stack_t __user *) regs->regs[5];
unsigned long usp = regs->regs[0];
return do_sigaltstack(uss, uoss, usp);
@@ -188,7 +188,7 @@ badframe:
int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
int signr, sigset_t *set, siginfo_t *info)
{
- struct rt_sigframe *frame;
+ struct rt_sigframe __user *frame;
int err = 0;
frame = get_sigframe(ka, regs, sizeof(*frame));
@@ -209,7 +209,7 @@ int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
err |= copy_siginfo_to_user(&frame->rs_info, info);
err |= __put_user(0, &frame->rs_uc.uc_flags);
err |= __put_user(0, &frame->rs_uc.uc_link);
- err |= __put_user((void *)current->sas_ss_sp,
+ err |= __put_user((void __user *)current->sas_ss_sp,
&frame->rs_uc.uc_stack.ss_sp);
err |= __put_user(sas_ss_flags(regs->regs[0]),
&frame->rs_uc.uc_stack.ss_flags);
diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c
index eb4d2d3b97ad..16ace29935bb 100644
--- a/arch/score/kernel/sys_score.c
+++ b/arch/score/kernel/sys_score.c
@@ -87,18 +87,19 @@ int score_clone(struct pt_regs *regs)
* sys_execve() executes a new program.
* This is called indirectly via a small wrapper
*/
-int score_execve(struct pt_regs *regs)
+asmlinkage long
+score_execve(struct pt_regs *regs)
{
int error;
char *filename;
- filename = getname((char *) (long) regs->regs[4]);
+ filename = getname((char __user*)regs->regs[4]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
return error;
- error = do_execve(filename, (char **) (long) regs->regs[5],
- (char **) (long) regs->regs[6], regs);
+ error = do_execve(filename, (char __user *__user*)regs->regs[5],
+ (char __user *__user *) regs->regs[6], regs);
putname(filename);
return error;
--
GitLab
From bddc605955bca2d914ca621a7ef4ca6c271f55d8 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Sat, 27 Jun 2009 15:12:16 +0200
Subject: [PATCH 012/742] score: fix function prototypes
Syscalls should return 'long' and be marked as 'asmlinkage'.
Functions that are only used in a single file should be 'static'.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/kernel/signal.c | 22 +++++++++++++---------
arch/score/kernel/sys_score.c | 5 +++--
arch/score/kernel/time.c | 2 +-
3 files changed, 17 insertions(+), 12 deletions(-)
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
index 1634aaa7c2ba..afbfe33dcf17 100644
--- a/arch/score/kernel/signal.c
+++ b/arch/score/kernel/signal.c
@@ -42,7 +42,7 @@ struct rt_sigframe {
struct ucontext rs_uc;
};
-int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
+static int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
{
int err = 0;
unsigned long reg;
@@ -76,7 +76,7 @@ int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
return err;
}
-int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
+static int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
{
int err = 0;
u32 reg;
@@ -118,8 +118,8 @@ int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
/*
* Determine which stack to use..
*/
-void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
- size_t frame_size)
+static void __user *get_sigframe(struct k_sigaction *ka,
+ struct pt_regs *regs, size_t frame_size)
{
unsigned long sp;
@@ -134,7 +134,8 @@ void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
return (void __user*)((sp - frame_size) & ~7);
}
-int score_sigaltstack(struct pt_regs *regs)
+asmlinkage long
+score_sigaltstack(struct pt_regs *regs)
{
const stack_t __user *uss = (const stack_t __user *) regs->regs[4];
stack_t __user *uoss = (stack_t __user *) regs->regs[5];
@@ -143,7 +144,8 @@ int score_sigaltstack(struct pt_regs *regs)
return do_sigaltstack(uss, uoss, usp);
}
-void score_rt_sigreturn(struct pt_regs *regs)
+asmlinkage long
+score_rt_sigreturn(struct pt_regs *regs)
{
struct rt_sigframe __user *frame;
sigset_t set;
@@ -183,9 +185,11 @@ void score_rt_sigreturn(struct pt_regs *regs)
badframe:
force_sig(SIGSEGV, current);
+
+ return 0;
}
-int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
+static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
int signr, sigset_t *set, siginfo_t *info)
{
struct rt_sigframe __user *frame;
@@ -238,7 +242,7 @@ give_sigsegv:
return -EFAULT;
}
-int handle_signal(unsigned long sig, siginfo_t *info,
+static int handle_signal(unsigned long sig, siginfo_t *info,
struct k_sigaction *ka, sigset_t *oldset, struct pt_regs *regs)
{
int ret;
@@ -278,7 +282,7 @@ int handle_signal(unsigned long sig, siginfo_t *info,
return ret;
}
-void do_signal(struct pt_regs *regs)
+static void do_signal(struct pt_regs *regs)
{
struct k_sigaction ka;
sigset_t *oldset;
diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c
index 16ace29935bb..5b3cc4e685ae 100644
--- a/arch/score/kernel/sys_score.c
+++ b/arch/score/kernel/sys_score.c
@@ -34,7 +34,7 @@
unsigned long shm_align_mask = PAGE_SIZE - 1;
EXPORT_SYMBOL(shm_align_mask);
-asmlinkage unsigned long
+asmlinkage unsigned
sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, unsigned long fd, unsigned long pgoff)
{
@@ -66,7 +66,8 @@ sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
* Clone a task - this clones the calling program thread.
* This is called indirectly via a small wrapper
*/
-int score_clone(struct pt_regs *regs)
+asmlinkage long
+score_clone(struct pt_regs *regs)
{
unsigned long clone_flags;
unsigned long newsp;
diff --git a/arch/score/kernel/time.c b/arch/score/kernel/time.c
index cd66ba327ca7..f0a43affb201 100644
--- a/arch/score/kernel/time.c
+++ b/arch/score/kernel/time.c
@@ -28,7 +28,7 @@
#include <asm/scoreregs.h>
-irqreturn_t timer_interrupt(int irq, void *dev_id)
+static irqreturn_t timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evdev = dev_id;
--
GitLab
From c6067472252c1d6155c7c01c93e0d580342cdb29 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Sat, 27 Jun 2009 14:46:35 +0200
Subject: [PATCH 013/742] score: cleanups: dead code, 0 as pointer, shadowed
variables
A few smaller issues found by sparse, some code that was
never used, two instances of '0' instead of 'NULL' and
local variables shadowing another one.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/kernel/module.c | 12 ++++++------
arch/score/kernel/signal.c | 2 +-
arch/score/kernel/sys_score.c | 14 +-------------
3 files changed, 8 insertions(+), 20 deletions(-)
diff --git a/arch/score/kernel/module.c b/arch/score/kernel/module.c
index 1a625572ecc8..4de8d47becd3 100644
--- a/arch/score/kernel/module.c
+++ b/arch/score/kernel/module.c
@@ -57,17 +57,17 @@ int apply_relocate(Elf_Shdr *sechdrs, const char *strtab,
for (i = 0; i < relsec->sh_size / sizeof(Elf32_Rel); i++, rel++) {
unsigned long loc;
Elf32_Sym *sym;
- s32 offset;
+ s32 r_offset;
- offset = ELF32_R_SYM(rel->r_info);
- if ((offset < 0) ||
- (offset > (symsec->sh_size / sizeof(Elf32_Sym)))) {
+ r_offset = ELF32_R_SYM(rel->r_info);
+ if ((r_offset < 0) ||
+ (r_offset > (symsec->sh_size / sizeof(Elf32_Sym)))) {
printk(KERN_ERR "%s: bad relocation, section %d reloc %d\n",
me->name, relindex, i);
return -ENOEXEC;
}
- sym = ((Elf32_Sym *)symsec->sh_addr) + offset;
+ sym = ((Elf32_Sym *)symsec->sh_addr) + r_offset;
if ((rel->r_offset < 0) ||
(rel->r_offset > dstsec->sh_size - sizeof(u32))) {
@@ -152,7 +152,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
/* Given an address, look for it in the module exception tables. */
const struct exception_table_entry *search_module_dbetables(unsigned long addr)
{
- return 0;
+ return NULL;
}
/* Put in dbe list if necessary. */
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
index afbfe33dcf17..950f87c4a16a 100644
--- a/arch/score/kernel/signal.c
+++ b/arch/score/kernel/signal.c
@@ -212,7 +212,7 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
err |= copy_siginfo_to_user(&frame->rs_info, info);
err |= __put_user(0, &frame->rs_uc.uc_flags);
- err |= __put_user(0, &frame->rs_uc.uc_link);
+ err |= __put_user(NULL, &frame->rs_uc.uc_link);
err |= __put_user((void __user *)current->sas_ss_sp,
&frame->rs_uc.uc_stack.ss_sp);
err |= __put_user(sas_ss_flags(regs->regs[0]),
diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c
index 5b3cc4e685ae..61aff8a93443 100644
--- a/arch/score/kernel/sys_score.c
+++ b/arch/score/kernel/sys_score.c
@@ -31,10 +31,7 @@
#include <linux/syscalls.h>
#include <asm/syscalls.h>
-unsigned long shm_align_mask = PAGE_SIZE - 1;
-EXPORT_SYMBOL(shm_align_mask);
-
-asmlinkage unsigned
+asmlinkage long
sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, unsigned long fd, unsigned long pgoff)
{
@@ -106,15 +103,6 @@ score_execve(struct pt_regs *regs)
return error;
}
-/*
- * If we ever come here the user sp is bad. Zap the process right away.
- * Due to the bad stack signaling wouldn't work.
- */
-void bad_stack(void)
-{
- do_exit(SIGSEGV);
-}
-
/*
* Do a system call from kernel instead of calling sys_execve so we
* end up with proper pt_regs.
--
GitLab
From 9b05706a744da939655525eeeae23f1989b434ce Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Sat, 27 Jun 2009 15:22:00 +0200
Subject: [PATCH 014/742] score: make irq.h definitions local
Some internal definitions of the interrupt controller are
only needed in irq.c, so move them out of the global irq.h
header. Also add proper __iomem annotations for sparse.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/include/asm/irq.h | 10 ----------
arch/score/kernel/irq.c | 33 +++++++++++++++++++++++----------
2 files changed, 23 insertions(+), 20 deletions(-)
diff --git a/arch/score/include/asm/irq.h b/arch/score/include/asm/irq.h
index 401f6704848c..6edd2a2adef7 100644
--- a/arch/score/include/asm/irq.h
+++ b/arch/score/include/asm/irq.h
@@ -18,16 +18,6 @@
#define irq_canonicalize(irq) (irq)
-#define P_INT_PNDL 0x95F50000
-#define P_INT_PNDH 0x95F50004
-#define P_INT_PRIORITY_M 0x95F50008
-#define P_INT_PRIORITY_SG0 0x95F50010
-#define P_INT_PRIORITY_SG1 0x95F50014
-#define P_INT_PRIORITY_SG2 0x95F50018
-#define P_INT_PRIORITY_SG3 0x95F5001C
-#define P_INT_MASKL 0x95F50020
-#define P_INT_MASKH 0x95F50024
-
#define IRQ_TIMER (7) /* Timer IRQ number of SPCT6600 */
#endif /* _ASM_SCORE_IRQ_H */
diff --git a/arch/score/kernel/irq.c b/arch/score/kernel/irq.c
index 55474e8e9725..47647dde09ca 100644
--- a/arch/score/kernel/irq.c
+++ b/arch/score/kernel/irq.c
@@ -29,6 +29,19 @@
#include <asm/io.h>
+/* the interrupt controller is hardcoded at this address */
+#define SCORE_PIC ((u32 __iomem __force *)0x95F50000)
+
+#define INT_PNDL 0
+#define INT_PNDH 1
+#define INT_PRIORITY_M 2
+#define INT_PRIORITY_SG0 4
+#define INT_PRIORITY_SG1 5
+#define INT_PRIORITY_SG2 6
+#define INT_PRIORITY_SG3 7
+#define INT_MASKL 8
+#define INT_MASKH 9
+
/*
* handles all normal device IRQs
*/
@@ -44,11 +57,11 @@ static void score_mask(unsigned int irq_nr)
unsigned int irq_source = 63 - irq_nr;
if (irq_source < 32)
- __raw_writel((__raw_readl((void *)P_INT_MASKL) | \
- (1 << irq_source)), (void *)P_INT_MASKL);
+ __raw_writel((__raw_readl(SCORE_PIC + INT_MASKL) | \
+ (1 << irq_source)), SCORE_PIC + INT_MASKL);
else
- __raw_writel((__raw_readl((void *)P_INT_MASKH) | \
- (1 << (irq_source - 32))), (void *)P_INT_MASKH);
+ __raw_writel((__raw_readl(SCORE_PIC + INT_MASKH) | \
+ (1 << (irq_source - 32))), SCORE_PIC + INT_MASKH);
}
static void score_unmask(unsigned int irq_nr)
@@ -56,11 +69,11 @@ static void score_unmask(unsigned int irq_nr)
unsigned int irq_source = 63 - irq_nr;
if (irq_source < 32)
- __raw_writel((__raw_readl((void *)P_INT_MASKL) & \
- ~(1 << irq_source)), (void *)P_INT_MASKL);
+ __raw_writel((__raw_readl(SCORE_PIC + INT_MASKL) & \
+ ~(1 << irq_source)), SCORE_PIC + INT_MASKL);
else
- __raw_writel((__raw_readl((void *)P_INT_MASKH) & \
- ~(1 << (irq_source - 32))), (void *)P_INT_MASKH);
+ __raw_writel((__raw_readl(SCORE_PIC + INT_MASKH) & \
+ ~(1 << (irq_source - 32))), SCORE_PIC + INT_MASKH);
}
struct irq_chip score_irq_chip = {
@@ -88,8 +101,8 @@ void __init init_IRQ(void)
memcpy((void *)target_addr, \
interrupt_exception_vector, IRQ_VECTOR_SIZE);
- __raw_writel(0xffffffff, (void *)P_INT_MASKL);
- __raw_writel(0xffffffff, (void *)P_INT_MASKH);
+ __raw_writel(0xffffffff, SCORE_PIC + INT_MASKL);
+ __raw_writel(0xffffffff, SCORE_PIC + INT_MASKH);
__asm__ __volatile__(
"mtcr %0, cr3\n\t"
--
GitLab
From fbd85b0e26bab0a13dcf860f2c20e86cb0507b61 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Sat, 27 Jun 2009 15:58:13 +0200
Subject: [PATCH 015/742] score: clean up mm/init.c
score does not need multiple zero pages, because it does not
suffer from cache aliasing problems, so simplify that code.
Also make some functions static and include the appropriate
header files.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
arch/score/mm/init.c | 34 ++++++++++------------------------
1 file changed, 10 insertions(+), 24 deletions(-)
diff --git a/arch/score/mm/init.c b/arch/score/mm/init.c
index 7780eecc5a43..d496e9f1a601 100644
--- a/arch/score/mm/init.c
+++ b/arch/score/mm/init.c
@@ -32,44 +32,30 @@
#include <linux/pagemap.h>
#include <linux/proc_fs.h>
#include <linux/sched.h>
-#include <asm-generic/sections.h>
+#include <linux/initrd.h>
+#include <asm/sections.h>
#include <asm/tlb.h>
DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-/*
- * We have up to 8 empty zeroed pages so we can map one of the right colour
- * when needed.
- */
-unsigned long zero_page_mask;
unsigned long empty_zero_page;
EXPORT_SYMBOL_GPL(empty_zero_page);
static struct kcore_list kcore_mem, kcore_vmalloc;
-unsigned long setup_zero_pages(void)
+static unsigned long setup_zero_page(void)
{
- unsigned int order = 0;
- unsigned long size;
struct page *page;
- empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order);
+ empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, 0);
if (!empty_zero_page)
panic("Oh boy, that early out of memory?");
page = virt_to_page((void *) empty_zero_page);
- split_page(page, order);
- while (page < virt_to_page((void *) (empty_zero_page +
- (PAGE_SIZE << order)))) {
- SetPageReserved(page);
- page++;
- }
-
- size = PAGE_SIZE << order;
- zero_page_mask = (size - 1) & PAGE_MASK;
+ SetPageReserved(page);
- return 1UL << order;
+ return 1UL;
}
#ifndef CONFIG_NEED_MULTIPLE_NODES
@@ -100,7 +86,7 @@ void __init mem_init(void)
max_mapnr = max_low_pfn;
high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
totalram_pages += free_all_bootmem();
- totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */
+ totalram_pages -= setup_zero_page(); /* Setup zeroed pages. */
reservedpages = 0;
for (tmp = 0; tmp < max_low_pfn; tmp++)
@@ -129,7 +115,7 @@ void __init mem_init(void)
}
#endif /* !CONFIG_NEED_MULTIPLE_NODES */
-void free_init_pages(const char *what, unsigned long begin, unsigned long end)
+static void free_init_pages(const char *what, unsigned long begin, unsigned long end)
{
unsigned long pfn;
@@ -150,8 +136,8 @@ void free_init_pages(const char *what, unsigned long begin, unsigned long end)
void free_initrd_mem(unsigned long start, unsigned long end)
{
free_init_pages("initrd memory",
- virt_to_phys((void *) start),
- virt_to_phys((void *) end));
+ virt_to_phys((void *) start),
+ virt_to_phys((void *) end));
}
#endif
--
GitLab
From c601a51af10f714292f42eab45fa8c9154dc1414 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Fri, 3 Jul 2009 16:16:54 +0900
Subject: [PATCH 016/742] sh: Use bootmem ontop of lmb
Rework the bootmem allocator to use the lmb framework.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 1 +
arch/sh/include/asm/lmb.h | 6 ++++
arch/sh/kernel/setup.c | 71 ++++++++++++++++++++++++++++-----------
3 files changed, 59 insertions(+), 19 deletions(-)
create mode 100644 arch/sh/include/asm/lmb.h
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index e2bdd7b94fd9..0fb99b0eac5b 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -10,6 +10,7 @@ config SUPERH
select EMBEDDED
select HAVE_CLK
select HAVE_IDE
+ select HAVE_LMB
select HAVE_OPROFILE
select HAVE_GENERIC_DMA_COHERENT
select HAVE_IOREMAP_PROT if MMU
diff --git a/arch/sh/include/asm/lmb.h b/arch/sh/include/asm/lmb.h
new file mode 100644
index 000000000000..9b437f657ffa
--- /dev/null
+++ b/arch/sh/include/asm/lmb.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_SH_LMB_H
+#define __ASM_SH_LMB_H
+
+#define LMB_REAL_LIMIT 0
+
+#endif /* __ASM_SH_LMB_H */
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index dd38338553ef..ceb409bf7741 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -30,6 +30,7 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
+#include <linux/lmb.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/page.h>
@@ -233,39 +234,45 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
void __init setup_bootmem_allocator(unsigned long free_pfn)
{
unsigned long bootmap_size;
+ unsigned long bootmap_pages, bootmem_paddr;
+ u64 total_pages = (lmb_end_of_DRAM() - __MEMORY_START) >> PAGE_SHIFT;
+ int i;
+
+ bootmap_pages = bootmem_bootmap_pages(total_pages);
+
+ bootmem_paddr = lmb_alloc(bootmap_pages << PAGE_SHIFT, PAGE_SIZE);
/*
* Find a proper area for the bootmem bitmap. After this
* bootstrap step all allocations (until the page allocator
* is intact) must be done via bootmem_alloc().
*/
- bootmap_size = init_bootmem_node(NODE_DATA(0), free_pfn,
+ bootmap_size = init_bootmem_node(NODE_DATA(0),
+ bootmem_paddr >> PAGE_SHIFT,
min_low_pfn, max_low_pfn);
- __add_active_range(0, min_low_pfn, max_low_pfn);
- register_bootmem_low_pages();
-
- node_set_online(0);
+ /* Add active regions with valid PFNs. */
+ for (i = 0; i < lmb.memory.cnt; i++) {
+ unsigned long start_pfn, end_pfn;
+ start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT;
+ end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i);
+ __add_active_range(0, start_pfn, end_pfn);
+ }
/*
- * Reserve the kernel text and
- * Reserve the bootmem bitmap. We do this in two steps (first step
- * was init_bootmem()), because this catches the (definitely buggy)
- * case of us accidentally initializing the bootmem allocator with
- * an invalid RAM area.
+ * Add all physical memory to the bootmem map and mark each
+ * area as present.
*/
- reserve_bootmem(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
- (PFN_PHYS(free_pfn) + bootmap_size + PAGE_SIZE - 1) -
- (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET),
- BOOTMEM_DEFAULT);
+ register_bootmem_low_pages();
- /*
- * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
- */
- if (CONFIG_ZERO_PAGE_OFFSET != 0)
- reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET,
+ /* Reserve the sections we're already using. */
+ for (i = 0; i < lmb.reserved.cnt; i++)
+ reserve_bootmem(lmb.reserved.region[i].base,
+ lmb_size_bytes(&lmb.reserved, i),
BOOTMEM_DEFAULT);
+ node_set_online(0);
+
sparse_memory_present_with_active_regions(0);
#ifdef CONFIG_BLK_DEV_INITRD
@@ -296,12 +303,37 @@ void __init setup_bootmem_allocator(unsigned long free_pfn)
static void __init setup_memory(void)
{
unsigned long start_pfn;
+ u64 base = min_low_pfn << PAGE_SHIFT;
+ u64 size = (max_low_pfn << PAGE_SHIFT) - base;
/*
* Partially used pages are not usable - thus
* we are rounding upwards:
*/
start_pfn = PFN_UP(__pa(_end));
+
+ lmb_add(base, size);
+
+ /*
+ * Reserve the kernel text and
+ * Reserve the bootmem bitmap. We do this in two steps (first step
+ * was init_bootmem()), because this catches the (definitely buggy)
+ * case of us accidentally initializing the bootmem allocator with
+ * an invalid RAM area.
+ */
+ lmb_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
+ (PFN_PHYS(start_pfn) + PAGE_SIZE - 1) -
+ (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET));
+
+ /*
+ * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
+ */
+ if (CONFIG_ZERO_PAGE_OFFSET != 0)
+ lmb_reserve(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET);
+
+ lmb_analyze();
+ lmb_dump_all();
+
setup_bootmem_allocator(start_pfn);
}
#else
@@ -402,6 +434,7 @@ void __init setup_arch(char **cmdline_p)
nodes_clear(node_online_map);
/* Setup bootmem with available RAM */
+ lmb_init();
setup_memory();
sparse_init();
--
GitLab
From 79714acbab080ad351acf4bba9a2bbc21d65c93c Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 3 Jul 2009 10:08:05 +0000
Subject: [PATCH 017/742] sh: hwblk base implementation
This patch is the hwblk base implementation, containing
structures and shared functions dealing with hardware blocks.
A each processor model should provide a list of hwblks and
describe which module stop bit that is associated with each
hwblck and how the hwblks are grouped together into areas.
The shared code keeps track of the usage count for each
hwblk and the areas. Fallback implementations for processor
specific code are also kept as weak symbols.
The clock framework, the runtime pm code and cpuidle will
all tie into this hwblk implementation.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/hwblk.h | 61 +++++++++++++++++
arch/sh/kernel/cpu/Makefile | 2 +-
arch/sh/kernel/cpu/hwblk.c | 130 ++++++++++++++++++++++++++++++++++++
arch/sh/kernel/time.c | 2 +
4 files changed, 194 insertions(+), 1 deletion(-)
create mode 100644 arch/sh/include/asm/hwblk.h
create mode 100644 arch/sh/kernel/cpu/hwblk.c
diff --git a/arch/sh/include/asm/hwblk.h b/arch/sh/include/asm/hwblk.h
new file mode 100644
index 000000000000..51a46f496639
--- /dev/null
+++ b/arch/sh/include/asm/hwblk.h
@@ -0,0 +1,61 @@
+#ifndef __ASM_SH_HWBLK_H
+#define __ASM_SH_HWBLK_H
+
+#include <asm/clock.h>
+#include <asm/io.h>
+
+#define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */
+
+#define HWBLK_AREA(_flags, _parent) \
+{ \
+ .flags = _flags, \
+ .parent = _parent, \
+}
+
+struct hwblk_area {
+ unsigned long cnt;
+ unsigned char parent;
+ unsigned char flags;
+};
+
+#define HWBLK(_mstp, _bit, _area) \
+{ \
+ .mstp = (void __iomem *)_mstp, \
+ .bit = _bit, \
+ .area = _area, \
+}
+
+struct hwblk {
+ void __iomem *mstp;
+ unsigned char bit;
+ unsigned char area;
+ unsigned long cnt;
+};
+
+struct hwblk_info {
+ struct hwblk_area *areas;
+ int nr_areas;
+ struct hwblk *hwblks;
+ int nr_hwblks;
+};
+
+/* Should be defined by processor-specific code */
+int arch_hwblk_init(void);
+int arch_hwblk_sleep_mode(void);
+
+int hwblk_register(struct hwblk_info *info);
+int hwblk_init(void);
+
+/* allow clocks to enable and disable hardware blocks */
+#define SH_HWBLK_CLK(_name, _id, _parent, _hwblk, _flags) \
+{ \
+ .name = _name, \
+ .id = _id, \
+ .parent = _parent, \
+ .arch_flags = _hwblk, \
+ .flags = _flags, \
+}
+
+int sh_hwblk_clk_register(struct clk *clks, int nr);
+
+#endif /* __ASM_SH_HWBLK_H */
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index eecad7cbd61e..3d6b9312dc47 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -19,4 +19,4 @@ obj-$(CONFIG_UBC_WAKEUP) += ubc.o
obj-$(CONFIG_SH_ADC) += adc.o
obj-$(CONFIG_SH_CLK_CPG) += clock-cpg.o
-obj-y += irq/ init.o clock.o
+obj-y += irq/ init.o clock.o hwblk.o
diff --git a/arch/sh/kernel/cpu/hwblk.c b/arch/sh/kernel/cpu/hwblk.c
new file mode 100644
index 000000000000..7c3a73deff24
--- /dev/null
+++ b/arch/sh/kernel/cpu/hwblk.c
@@ -0,0 +1,130 @@
+#include <linux/clk.h>
+#include <linux/compiler.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/spinlock.h>
+#include <asm/suspend.h>
+#include <asm/hwblk.h>
+#include <asm/clock.h>
+
+static DEFINE_SPINLOCK(hwblk_lock);
+
+static void hwblk_area_inc(struct hwblk_info *info, int area)
+{
+ struct hwblk_area *hap = info->areas + area;
+
+ hap->cnt++;
+ if (hap->cnt == 1)
+ if (hap->flags & HWBLK_AREA_FLAG_PARENT)
+ hwblk_area_inc(info, hap->parent);
+}
+
+static void hwblk_area_dec(struct hwblk_info *info, int area)
+{
+ struct hwblk_area *hap = info->areas + area;
+
+ if (hap->cnt == 1)
+ if (hap->flags & HWBLK_AREA_FLAG_PARENT)
+ hwblk_area_dec(info, hap->parent);
+ hap->cnt--;
+}
+
+static void hwblk_enable(struct hwblk_info *info, int hwblk)
+{
+ struct hwblk *hp = info->hwblks + hwblk;
+ unsigned long tmp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&hwblk_lock, flags);
+
+ hp->cnt++;
+ if (hp->cnt == 1) {
+ hwblk_area_inc(info, hp->area);
+
+ tmp = __raw_readl(hp->mstp);
+ tmp &= ~(1 << hp->bit);
+ __raw_writel(tmp, hp->mstp);
+ }
+
+ spin_unlock_irqrestore(&hwblk_lock, flags);
+}
+
+static void hwblk_disable(struct hwblk_info *info, int hwblk)
+{
+ struct hwblk *hp = info->hwblks + hwblk;
+ unsigned long tmp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&hwblk_lock, flags);
+
+ if (hp->cnt == 1) {
+ hwblk_area_dec(info, hp->area);
+
+ tmp = __raw_readl(hp->mstp);
+ tmp |= 1 << hp->bit;
+ __raw_writel(tmp, hp->mstp);
+ }
+ hp->cnt--;
+
+ spin_unlock_irqrestore(&hwblk_lock, flags);
+}
+
+static struct hwblk_info *hwblk_info;
+
+int __init hwblk_register(struct hwblk_info *info)
+{
+ hwblk_info = info;
+ return 0;
+}
+
+int __init __weak arch_hwblk_init(void)
+{
+ return 0;
+}
+
+int __weak arch_hwblk_sleep_mode(void)
+{
+ return SUSP_SH_SLEEP;
+}
+
+int __init hwblk_init(void)
+{
+ return arch_hwblk_init();
+}
+
+/* allow clocks to enable and disable hardware blocks */
+static int sh_hwblk_clk_enable(struct clk *clk)
+{
+ if (!hwblk_info)
+ return -ENOENT;
+
+ hwblk_enable(hwblk_info, clk->arch_flags);
+ return 0;
+}
+
+static void sh_hwblk_clk_disable(struct clk *clk)
+{
+ if (hwblk_info)
+ hwblk_disable(hwblk_info, clk->arch_flags);
+}
+
+static struct clk_ops sh_hwblk_clk_ops = {
+ .enable = sh_hwblk_clk_enable,
+ .disable = sh_hwblk_clk_disable,
+ .recalc = followparent_recalc,
+};
+
+int __init sh_hwblk_clk_register(struct clk *clks, int nr)
+{
+ struct clk *clkp;
+ int ret = 0;
+ int k;
+
+ for (k = 0; !ret && (k < nr); k++) {
+ clkp = clks + k;
+ clkp->ops = &sh_hwblk_clk_ops;
+ ret |= clk_register(clkp);
+ }
+
+ return ret;
+}
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index 9b352a1e3fb4..d2424b068b7b 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -21,6 +21,7 @@
#include <linux/smp.h>
#include <linux/rtc.h>
#include <asm/clock.h>
+#include <asm/hwblk.h>
#include <asm/rtc.h>
/* Dummy RTC ops */
@@ -96,6 +97,7 @@ void __init time_init(void)
if (board_time_init)
board_time_init();
+ hwblk_init();
clk_init();
rtc_sh_get_time(&xtime);
--
GitLab
From a61c1a636628a28ab5b42a9d36582a8f6a08893a Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 3 Jul 2009 10:15:25 +0000
Subject: [PATCH 018/742] sh: hwblk for sh7722
This patch contains the sh7722 specific hwblk implementation.
Hwblk ids are added to the processor specific header file,
module stop bits and areas are kept track of as hwblks,
clocks are converted to make use of the shared hwblk code.
Code to determine allowed sleep modes is also added.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/cpu-sh4/cpu/sh7722.h | 14 ++++
arch/sh/kernel/cpu/sh4a/Makefile | 2 +-
arch/sh/kernel/cpu/sh4a/clock-sh7722.c | 60 +++++++-------
arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c | 106 +++++++++++++++++++++++++
4 files changed, 153 insertions(+), 29 deletions(-)
create mode 100644 arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7722.h b/arch/sh/include/cpu-sh4/cpu/sh7722.h
index 738ea43c5038..48560407cbe1 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7722.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7722.h
@@ -221,4 +221,18 @@ enum {
GPIO_FN_KEYOUT3, GPIO_FN_KEYOUT4_IN6, GPIO_FN_KEYOUT5_IN5,
};
+enum {
+ HWBLK_UNKNOWN = 0,
+ HWBLK_TLB, HWBLK_IC, HWBLK_OC, HWBLK_URAM, HWBLK_XYMEM,
+ HWBLK_INTC, HWBLK_DMAC, HWBLK_SHYWAY, HWBLK_HUDI,
+ HWBLK_UBC, HWBLK_TMU, HWBLK_CMT, HWBLK_RWDT, HWBLK_FLCTL,
+ HWBLK_SCIF0, HWBLK_SCIF1, HWBLK_SCIF2, HWBLK_SIO,
+ HWBLK_SIOF0, HWBLK_SIOF1, HWBLK_IIC, HWBLK_RTC,
+ HWBLK_TPU, HWBLK_IRDA, HWBLK_SDHI, HWBLK_SIM, HWBLK_KEYSC,
+ HWBLK_TSIF, HWBLK_USBF, HWBLK_2DG, HWBLK_SIU, HWBLK_VOU,
+ HWBLK_JPU, HWBLK_BEU, HWBLK_CEU, HWBLK_VEU, HWBLK_VPU,
+ HWBLK_LCDC,
+ HWBLK_NR,
+};
+
#endif /* __ASM_SH7722_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index ebdd391d5f42..3cafda696378 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -25,7 +25,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7780) := clock-sh7780.o
clock-$(CONFIG_CPU_SUBTYPE_SH7785) := clock-sh7785.o
clock-$(CONFIG_CPU_SUBTYPE_SH7786) := clock-sh7786.o
clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o
-clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o hwblk-sh7722.o
clock-$(CONFIG_CPU_SUBTYPE_SH7723) := clock-sh7723.o
clock-$(CONFIG_CPU_SUBTYPE_SH7724) := clock-sh7724.o
clock-$(CONFIG_CPU_SUBTYPE_SH7366) := clock-sh7366.o
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
index 40f859354f79..1fa9e1dd1cc8 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -22,6 +22,8 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clock.h>
+#include <asm/hwblk.h>
+#include <cpu/sh7722.h>
/* SH7722 registers */
#define FRQCR 0xa4150000
@@ -140,35 +142,37 @@ struct clk div6_clks[] = {
SH_CLK_DIV6("video_clk", &pll_clk, VCLKCR, 0),
};
-#define MSTP(_str, _parent, _reg, _bit, _flags) \
- SH_CLK_MSTP32(_str, -1, _parent, _reg, _bit, _flags)
+#define R_CLK &r_clk
+#define P_CLK &div4_clks[DIV4_P]
+#define B_CLK &div4_clks[DIV4_B]
+#define U_CLK &div4_clks[DIV4_U]
static struct clk mstp_clks[] = {
- MSTP("uram0", &div4_clks[DIV4_U], MSTPCR0, 28, CLK_ENABLE_ON_INIT),
- MSTP("xymem0", &div4_clks[DIV4_B], MSTPCR0, 26, CLK_ENABLE_ON_INIT),
- MSTP("tmu0", &div4_clks[DIV4_P], MSTPCR0, 15, 0),
- MSTP("cmt0", &r_clk, MSTPCR0, 14, 0),
- MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0),
- MSTP("flctl0", &div4_clks[DIV4_P], MSTPCR0, 10, 0),
- MSTP("scif0", &div4_clks[DIV4_P], MSTPCR0, 7, 0),
- MSTP("scif1", &div4_clks[DIV4_P], MSTPCR0, 6, 0),
- MSTP("scif2", &div4_clks[DIV4_P], MSTPCR0, 5, 0),
-
- MSTP("i2c0", &div4_clks[DIV4_P], MSTPCR1, 9, 0),
- MSTP("rtc0", &r_clk, MSTPCR1, 8, 0),
-
- MSTP("sdhi0", &div4_clks[DIV4_P], MSTPCR2, 18, 0),
- MSTP("keysc0", &r_clk, MSTPCR2, 14, 0),
- MSTP("usbf0", &div4_clks[DIV4_P], MSTPCR2, 11, 0),
- MSTP("2dg0", &div4_clks[DIV4_B], MSTPCR2, 9, 0),
- MSTP("siu0", &div4_clks[DIV4_B], MSTPCR2, 8, 0),
- MSTP("vou0", &div4_clks[DIV4_B], MSTPCR2, 5, 0),
- MSTP("jpu0", &div4_clks[DIV4_B], MSTPCR2, 6, CLK_ENABLE_ON_INIT),
- MSTP("beu0", &div4_clks[DIV4_B], MSTPCR2, 4, 0),
- MSTP("ceu0", &div4_clks[DIV4_B], MSTPCR2, 3, 0),
- MSTP("veu0", &div4_clks[DIV4_B], MSTPCR2, 2, CLK_ENABLE_ON_INIT),
- MSTP("vpu0", &div4_clks[DIV4_B], MSTPCR2, 1, CLK_ENABLE_ON_INIT),
- MSTP("lcdc0", &div4_clks[DIV4_B], MSTPCR2, 0, 0),
+ SH_HWBLK_CLK("uram0", -1, U_CLK, HWBLK_URAM, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("xymem0", -1, B_CLK, HWBLK_XYMEM, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("tmu0", -1, P_CLK, HWBLK_TMU, 0),
+ SH_HWBLK_CLK("cmt0", -1, R_CLK, HWBLK_CMT, 0),
+ SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0),
+ SH_HWBLK_CLK("flctl0", -1, P_CLK, HWBLK_FLCTL, 0),
+ SH_HWBLK_CLK("scif0", -1, P_CLK, HWBLK_SCIF0, 0),
+ SH_HWBLK_CLK("scif1", -1, P_CLK, HWBLK_SCIF1, 0),
+ SH_HWBLK_CLK("scif2", -1, P_CLK, HWBLK_SCIF2, 0),
+
+ SH_HWBLK_CLK("i2c0", -1, P_CLK, HWBLK_IIC, 0),
+ SH_HWBLK_CLK("rtc0", -1, R_CLK, HWBLK_RTC, 0),
+
+ SH_HWBLK_CLK("sdhi0", -1, P_CLK, HWBLK_SDHI, 0),
+ SH_HWBLK_CLK("keysc0", -1, R_CLK, HWBLK_KEYSC, 0),
+ SH_HWBLK_CLK("usbf0", -1, P_CLK, HWBLK_USBF, 0),
+ SH_HWBLK_CLK("2dg0", -1, B_CLK, HWBLK_2DG, 0),
+ SH_HWBLK_CLK("siu0", -1, B_CLK, HWBLK_SIU, 0),
+ SH_HWBLK_CLK("vou0", -1, B_CLK, HWBLK_VOU, 0),
+ SH_HWBLK_CLK("jpu0", -1, B_CLK, HWBLK_JPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("beu0", -1, B_CLK, HWBLK_BEU, 0),
+ SH_HWBLK_CLK("ceu0", -1, B_CLK, HWBLK_CEU, 0),
+ SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("lcdc0", -1, P_CLK, HWBLK_LCDC, 0),
};
int __init arch_clk_init(void)
@@ -191,7 +195,7 @@ int __init arch_clk_init(void)
ret = sh_clk_div6_register(div6_clks, ARRAY_SIZE(div6_clks));
if (!ret)
- ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
+ ret = sh_hwblk_clk_register(mstp_clks, ARRAY_SIZE(mstp_clks));
return ret;
}
diff --git a/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c b/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c
new file mode 100644
index 000000000000..00a1c02d82b1
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c
@@ -0,0 +1,106 @@
+/*
+ * arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c
+ *
+ * SH7722 hardware block support
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/suspend.h>
+#include <asm/hwblk.h>
+#include <cpu/sh7722.h>
+
+/* SH7722 registers */
+#define MSTPCR0 0xa4150030
+#define MSTPCR1 0xa4150034
+#define MSTPCR2 0xa4150038
+
+/* SH7722 Power Domains */
+enum { CORE_AREA, SUB_AREA, CORE_AREA_BM };
+static struct hwblk_area sh7722_hwblk_area[] = {
+ [CORE_AREA] = HWBLK_AREA(0, 0),
+ [CORE_AREA_BM] = HWBLK_AREA(HWBLK_AREA_FLAG_PARENT, CORE_AREA),
+ [SUB_AREA] = HWBLK_AREA(0, 0),
+};
+
+/* Table mapping HWBLK to Module Stop Bit and Power Domain */
+static struct hwblk sh7722_hwblk[HWBLK_NR] = {
+ [HWBLK_TLB] = HWBLK(MSTPCR0, 31, CORE_AREA),
+ [HWBLK_IC] = HWBLK(MSTPCR0, 30, CORE_AREA),
+ [HWBLK_OC] = HWBLK(MSTPCR0, 29, CORE_AREA),
+ [HWBLK_URAM] = HWBLK(MSTPCR0, 28, CORE_AREA),
+ [HWBLK_XYMEM] = HWBLK(MSTPCR0, 26, CORE_AREA),
+ [HWBLK_INTC] = HWBLK(MSTPCR0, 22, CORE_AREA),
+ [HWBLK_DMAC] = HWBLK(MSTPCR0, 21, CORE_AREA_BM),
+ [HWBLK_SHYWAY] = HWBLK(MSTPCR0, 20, CORE_AREA),
+ [HWBLK_HUDI] = HWBLK(MSTPCR0, 19, CORE_AREA),
+ [HWBLK_UBC] = HWBLK(MSTPCR0, 17, CORE_AREA),
+ [HWBLK_TMU] = HWBLK(MSTPCR0, 15, CORE_AREA),
+ [HWBLK_CMT] = HWBLK(MSTPCR0, 14, SUB_AREA),
+ [HWBLK_RWDT] = HWBLK(MSTPCR0, 13, SUB_AREA),
+ [HWBLK_FLCTL] = HWBLK(MSTPCR0, 10, CORE_AREA),
+ [HWBLK_SCIF0] = HWBLK(MSTPCR0, 7, CORE_AREA),
+ [HWBLK_SCIF1] = HWBLK(MSTPCR0, 6, CORE_AREA),
+ [HWBLK_SCIF2] = HWBLK(MSTPCR0, 5, CORE_AREA),
+ [HWBLK_SIO] = HWBLK(MSTPCR0, 3, CORE_AREA),
+ [HWBLK_SIOF0] = HWBLK(MSTPCR0, 2, CORE_AREA),
+ [HWBLK_SIOF1] = HWBLK(MSTPCR0, 1, CORE_AREA),
+
+ [HWBLK_IIC] = HWBLK(MSTPCR1, 9, CORE_AREA),
+ [HWBLK_RTC] = HWBLK(MSTPCR1, 8, SUB_AREA),
+
+ [HWBLK_TPU] = HWBLK(MSTPCR2, 25, CORE_AREA),
+ [HWBLK_IRDA] = HWBLK(MSTPCR2, 24, CORE_AREA),
+ [HWBLK_SDHI] = HWBLK(MSTPCR2, 18, CORE_AREA),
+ [HWBLK_SIM] = HWBLK(MSTPCR2, 16, CORE_AREA),
+ [HWBLK_KEYSC] = HWBLK(MSTPCR2, 14, SUB_AREA),
+ [HWBLK_TSIF] = HWBLK(MSTPCR2, 13, SUB_AREA),
+ [HWBLK_USBF] = HWBLK(MSTPCR2, 11, CORE_AREA),
+ [HWBLK_2DG] = HWBLK(MSTPCR2, 9, CORE_AREA_BM),
+ [HWBLK_SIU] = HWBLK(MSTPCR2, 8, CORE_AREA),
+ [HWBLK_JPU] = HWBLK(MSTPCR2, 6, CORE_AREA_BM),
+ [HWBLK_VOU] = HWBLK(MSTPCR2, 5, CORE_AREA_BM),
+ [HWBLK_BEU] = HWBLK(MSTPCR2, 4, CORE_AREA_BM),
+ [HWBLK_CEU] = HWBLK(MSTPCR2, 3, CORE_AREA_BM),
+ [HWBLK_VEU] = HWBLK(MSTPCR2, 2, CORE_AREA_BM),
+ [HWBLK_VPU] = HWBLK(MSTPCR2, 1, CORE_AREA_BM),
+ [HWBLK_LCDC] = HWBLK(MSTPCR2, 0, CORE_AREA_BM),
+};
+
+static struct hwblk_info sh7722_hwblk_info = {
+ .areas = sh7722_hwblk_area,
+ .nr_areas = ARRAY_SIZE(sh7722_hwblk_area),
+ .hwblks = sh7722_hwblk,
+ .nr_hwblks = ARRAY_SIZE(sh7722_hwblk),
+};
+
+int arch_hwblk_sleep_mode(void)
+{
+ if (!sh7722_hwblk_area[CORE_AREA].cnt)
+ return SUSP_SH_STANDBY | SUSP_SH_SF;
+
+ if (!sh7722_hwblk_area[CORE_AREA_BM].cnt)
+ return SUSP_SH_SLEEP | SUSP_SH_SF;
+
+ return SUSP_SH_SLEEP;
+}
+
+int __init arch_hwblk_init(void)
+{
+ return hwblk_register(&sh7722_hwblk_info);
+}
--
GitLab
From 7426394f20c2e74b7c560bcd266cec1b327a269b Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 3 Jul 2009 10:28:00 +0000
Subject: [PATCH 019/742] sh: cpuidle for SuperH Mobile using hwblk
This patch adds cpuidle support for SuperH Mobile.
The sleep mode selected by cpuidle is compared with
the mode selected by the hwblk sleep code and the
best allowed mode is entered.
At this point "Sleep mode" and "Sleep mode + SF" are
supported. This code can easily be extended to support
"Software suspend mode", but the assembly code must
first be updated to avoid loosing interrupts.
Also, update the code to only copy the assembly snippet
into internal memory once at bootup.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/suspend.h | 9 +++
arch/sh/kernel/cpu/shmobile/Makefile | 1 +
arch/sh/kernel/cpu/shmobile/cpuidle.c | 102 ++++++++++++++++++++++++++
arch/sh/kernel/cpu/shmobile/pm.c | 26 +++----
4 files changed, 125 insertions(+), 13 deletions(-)
create mode 100644 arch/sh/kernel/cpu/shmobile/cpuidle.c
diff --git a/arch/sh/include/asm/suspend.h b/arch/sh/include/asm/suspend.h
index b1b995370e79..5c8ea28ff7a4 100644
--- a/arch/sh/include/asm/suspend.h
+++ b/arch/sh/include/asm/suspend.h
@@ -10,6 +10,15 @@ struct swsusp_arch_regs {
struct pt_regs user_regs;
unsigned long bank1_regs[8];
};
+
+void sh_mobile_call_standby(unsigned long mode);
+
+#ifdef CONFIG_CPU_IDLE
+void sh_mobile_setup_cpuidle(void);
+#else
+static inline void sh_mobile_setup_cpuidle(void) {}
+#endif
+
#endif
/* flags passed to assembly suspend code */
diff --git a/arch/sh/kernel/cpu/shmobile/Makefile b/arch/sh/kernel/cpu/shmobile/Makefile
index 08bfa7c7db29..e8a5111e848a 100644
--- a/arch/sh/kernel/cpu/shmobile/Makefile
+++ b/arch/sh/kernel/cpu/shmobile/Makefile
@@ -4,3 +4,4 @@
# Power Management & Sleep mode
obj-$(CONFIG_PM) += pm.o sleep.o
+obj-$(CONFIG_CPU_IDLE) += cpuidle.o
diff --git a/arch/sh/kernel/cpu/shmobile/cpuidle.c b/arch/sh/kernel/cpu/shmobile/cpuidle.c
new file mode 100644
index 000000000000..4afdd975cc66
--- /dev/null
+++ b/arch/sh/kernel/cpu/shmobile/cpuidle.c
@@ -0,0 +1,102 @@
+/*
+ * arch/sh/kernel/cpu/shmobile/cpuidle.c
+ *
+ * Cpuidle support code for SuperH Mobile
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/suspend.h>
+#include <linux/cpuidle.h>
+#include <asm/suspend.h>
+#include <asm/uaccess.h>
+#include <asm/hwblk.h>
+
+static unsigned long cpuidle_mode[] = {
+ SUSP_SH_SLEEP, /* regular sleep mode */
+ SUSP_SH_SLEEP | SUSP_SH_SF, /* sleep mode + self refresh */
+};
+
+static int cpuidle_sleep_enter(struct cpuidle_device *dev,
+ struct cpuidle_state *state)
+{
+ unsigned long allowed_mode = arch_hwblk_sleep_mode();
+ ktime_t before, after;
+ int requested_state = state - &dev->states[0];
+ int allowed_state;
+ int k;
+
+ /* convert allowed mode to allowed state */
+ for (k = ARRAY_SIZE(cpuidle_mode) - 1; k > 0; k--)
+ if (cpuidle_mode[k] == allowed_mode)
+ break;
+
+ allowed_state = k;
+
+ /* take the following into account for sleep mode selection:
+ * - allowed_state: best mode allowed by hardware (clock deps)
+ * - requested_state: best mode allowed by software (latencies)
+ */
+ k = min_t(int, allowed_state, requested_state);
+
+ dev->last_state = &dev->states[k];
+ before = ktime_get();
+ sh_mobile_call_standby(cpuidle_mode[k]);
+ after = ktime_get();
+ return ktime_to_ns(ktime_sub(after, before)) >> 10;
+}
+
+static struct cpuidle_device cpuidle_dev;
+static struct cpuidle_driver cpuidle_driver = {
+ .name = "sh_idle",
+ .owner = THIS_MODULE,
+};
+
+void sh_mobile_setup_cpuidle(void)
+{
+ struct cpuidle_device *dev = &cpuidle_dev;
+ struct cpuidle_state *state;
+ int i;
+
+ cpuidle_register_driver(&cpuidle_driver);
+
+ for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
+ dev->states[i].name[0] = '\0';
+ dev->states[i].desc[0] = '\0';
+ }
+
+ i = CPUIDLE_DRIVER_STATE_START;
+
+ state = &dev->states[i++];
+ snprintf(state->name, CPUIDLE_NAME_LEN, "C0");
+ strncpy(state->desc, "SuperH Sleep Mode", CPUIDLE_DESC_LEN);
+ state->exit_latency = 1;
+ state->target_residency = 1 * 2;
+ state->power_usage = 3;
+ state->flags = 0;
+ state->flags |= CPUIDLE_FLAG_SHALLOW;
+ state->flags |= CPUIDLE_FLAG_TIME_VALID;
+ state->enter = cpuidle_sleep_enter;
+
+ dev->safe_state = state;
+
+ state = &dev->states[i++];
+ snprintf(state->name, CPUIDLE_NAME_LEN, "C1");
+ strncpy(state->desc, "SuperH Sleep Mode [SF]", CPUIDLE_DESC_LEN);
+ state->exit_latency = 100;
+ state->target_residency = 1 * 2;
+ state->power_usage = 1;
+ state->flags = 0;
+ state->flags |= CPUIDLE_FLAG_TIME_VALID;
+ state->enter = cpuidle_sleep_enter;
+
+ dev->state_count = i;
+
+ cpuidle_register_device(dev);
+}
diff --git a/arch/sh/kernel/cpu/shmobile/pm.c b/arch/sh/kernel/cpu/shmobile/pm.c
index 8c067adf6830..de078d24ce56 100644
--- a/arch/sh/kernel/cpu/shmobile/pm.c
+++ b/arch/sh/kernel/cpu/shmobile/pm.c
@@ -1,5 +1,5 @@
/*
- * arch/sh/kernel/cpu/sh4a/pm-sh_mobile.c
+ * arch/sh/kernel/cpu/shmobile/pm.c
*
* Power management support code for SuperH Mobile
*
@@ -32,20 +32,17 @@
*
* R-standby mode is unsupported, but will be added in the future
* U-standby mode is low priority since it needs bootloader hacks
- *
- * All modes should be tied in with cpuidle. But before that can
- * happen we need to keep track of enabled hardware blocks so we
- * can avoid entering sleep modes that stop clocks to hardware
- * blocks that are in use even though the cpu core is idle.
*/
+#define ILRAM_BASE 0xe5200000
+
extern const unsigned char sh_mobile_standby[];
extern const unsigned int sh_mobile_standby_size;
-static void sh_mobile_call_standby(unsigned long mode)
+void sh_mobile_call_standby(unsigned long mode)
{
extern void *vbr_base;
- void *onchip_mem = (void *)0xe5200000; /* ILRAM */
+ void *onchip_mem = (void *)ILRAM_BASE;
void (*standby_onchip_mem)(unsigned long) = onchip_mem;
/* Note: Wake up from sleep may generate exceptions!
@@ -55,11 +52,6 @@ static void sh_mobile_call_standby(unsigned long mode)
if (mode & SUSP_SH_SF)
asm volatile("ldc %0, vbr" : : "r" (onchip_mem) : "memory");
- /* Copy the assembly snippet to the otherwise ununsed ILRAM */
- memcpy(onchip_mem, sh_mobile_standby, sh_mobile_standby_size);
- wmb();
- ctrl_barrier();
-
/* Let assembly snippet in on-chip memory handle the rest */
standby_onchip_mem(mode);
@@ -85,7 +77,15 @@ static struct platform_suspend_ops sh_pm_ops = {
static int __init sh_pm_init(void)
{
+ void *onchip_mem = (void *)ILRAM_BASE;
+
+ /* Copy the assembly snippet to the otherwise ununsed ILRAM */
+ memcpy(onchip_mem, sh_mobile_standby, sh_mobile_standby_size);
+ wmb();
+ ctrl_barrier();
+
suspend_set_ops(&sh_pm_ops);
+ sh_mobile_setup_cpuidle();
return 0;
}
--
GitLab
From 5084f61a4d6c9c7bfd3be07fbb5253c1a08cd568 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Fri, 3 Jul 2009 23:34:51 +0100
Subject: [PATCH 020/742] sh: Use bootmem ontop of lmb for NUMA
Like the UP case, use lmb as the foundation of memory resource
management on NUMA.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/numa.c | 36 +++++++++++++++++++++++-------------
1 file changed, 23 insertions(+), 13 deletions(-)
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c
index 095d93bec7cd..9b784fdb947c 100644
--- a/arch/sh/mm/numa.c
+++ b/arch/sh/mm/numa.c
@@ -9,6 +9,7 @@
*/
#include <linux/module.h>
#include <linux/bootmem.h>
+#include <linux/lmb.h>
#include <linux/mm.h>
#include <linux/numa.h>
#include <linux/pfn.h>
@@ -26,6 +27,15 @@ EXPORT_SYMBOL_GPL(node_data);
void __init setup_memory(void)
{
unsigned long free_pfn = PFN_UP(__pa(_end));
+ u64 base = min_low_pfn << PAGE_SHIFT;
+ u64 size = (max_low_pfn << PAGE_SHIFT) - min_low_pfn;
+
+ lmb_add(base, size);
+
+ /* Reserve the LMB regions used by the kernel, initrd, etc.. */
+ lmb_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
+ (PFN_PHYS(free_pfn) + PAGE_SIZE - 1) -
+ (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET));
/*
* Node 0 sets up its pgdat at the first available pfn,
@@ -45,24 +55,23 @@ void __init setup_memory(void)
void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
{
- unsigned long bootmap_pages, bootmap_start, bootmap_size;
- unsigned long start_pfn, free_pfn, end_pfn;
+ unsigned long bootmap_pages;
+ unsigned long start_pfn, end_pfn;
+ unsigned long bootmem_paddr;
/* Don't allow bogus node assignment */
BUG_ON(nid > MAX_NUMNODES || nid == 0);
- /*
- * The free pfn starts at the beginning of the range, and is
- * advanced as necessary for pgdat and node map allocations.
- */
- free_pfn = start_pfn = start >> PAGE_SHIFT;
+ start_pfn = start >> PAGE_SHIFT;
end_pfn = end >> PAGE_SHIFT;
+ lmb_add(start, end - start);
+
__add_active_range(nid, start_pfn, end_pfn);
/* Node-local pgdat */
- NODE_DATA(nid) = pfn_to_kaddr(free_pfn);
- free_pfn += PFN_UP(sizeof(struct pglist_data));
+ NODE_DATA(nid) = __va(lmb_alloc_base(sizeof(struct pglist_data),
+ SMP_CACHE_BYTES, end_pfn));
memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
@@ -71,16 +80,17 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
/* Node-local bootmap */
bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
- bootmap_start = (unsigned long)pfn_to_kaddr(free_pfn);
- bootmap_size = init_bootmem_node(NODE_DATA(nid), free_pfn, start_pfn,
- end_pfn);
+ bootmem_paddr = lmb_alloc_base(bootmap_pages << PAGE_SHIFT,
+ PAGE_SIZE, end_pfn);
+ init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT,
+ start_pfn, end_pfn);
free_bootmem_with_active_regions(nid, end_pfn);
/* Reserve the pgdat and bootmap space with the bootmem allocator */
reserve_bootmem_node(NODE_DATA(nid), start_pfn << PAGE_SHIFT,
sizeof(struct pglist_data), BOOTMEM_DEFAULT);
- reserve_bootmem_node(NODE_DATA(nid), free_pfn << PAGE_SHIFT,
+ reserve_bootmem_node(NODE_DATA(nid), bootmem_paddr,
bootmap_pages << PAGE_SHIFT, BOOTMEM_DEFAULT);
/* It's up */
--
GitLab
From 4048e5ca29afbd747a16245f2bc4d1d521a6d0d0 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 26 Jun 2009 06:59:17 +0000
Subject: [PATCH 021/742] usb: m66592-udc buffer management update
This patch updates the m66592-udc buffer management code.
Use fixed buffers for bulk and isochronous pipes, also make
sure to handle the isochronous-as-bulk case. With fixed buffers
there is no need to keep track of used buffers with bi_bufnum.
Also, this fixes a potential buffer offset problem where the
base offset incorrectly varies with the number of pipes used.
With this patch applied it is possible to use m66592-udc for
both Ethernet and Serial using CONFIG_USB_CDC_COMPOSITE.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/usb/gadget/m66592-udc.c | 34 ++++++++++++---------------------
drivers/usb/gadget/m66592-udc.h | 1 -
2 files changed, 12 insertions(+), 23 deletions(-)
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 43dcf9e1af6b..0dddd2f8ff35 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -37,7 +37,7 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Yoshihiro Shimoda");
MODULE_ALIAS("platform:m66592_udc");
-#define DRIVER_VERSION "18 Oct 2007"
+#define DRIVER_VERSION "26 Jun 2009"
/* module parameters */
#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
@@ -276,24 +276,27 @@ static int pipe_buffer_setting(struct m66592 *m66592,
buf_bsize = 0;
break;
case M66592_BULK:
- bufnum = m66592->bi_bufnum +
- (info->pipe - M66592_BASE_PIPENUM_BULK) * 16;
- m66592->bi_bufnum += 16;
+ /* isochronous pipes may be used as bulk pipes */
+ if (info->pipe > M66592_BASE_PIPENUM_BULK)
+ bufnum = info->pipe - M66592_BASE_PIPENUM_BULK;
+ else
+ bufnum = info->pipe - M66592_BASE_PIPENUM_ISOC;
+
+ bufnum = M66592_BASE_BUFNUM + (bufnum * 16);
buf_bsize = 7;
pipecfg |= M66592_DBLB;
if (!info->dir_in)
pipecfg |= M66592_SHTNAK;
break;
case M66592_ISO:
- bufnum = m66592->bi_bufnum +
+ bufnum = M66592_BASE_BUFNUM +
(info->pipe - M66592_BASE_PIPENUM_ISOC) * 16;
- m66592->bi_bufnum += 16;
buf_bsize = 7;
break;
}
- if (m66592->bi_bufnum > M66592_MAX_BUFNUM) {
- pr_err("m66592 pipe memory is insufficient(%d)\n",
- m66592->bi_bufnum);
+
+ if (buf_bsize && ((bufnum + 16) >= M66592_MAX_BUFNUM)) {
+ pr_err("m66592 pipe memory is insufficient\n");
return -ENOMEM;
}
@@ -313,17 +316,6 @@ static void pipe_buffer_release(struct m66592 *m66592,
if (info->pipe == 0)
return;
- switch (info->type) {
- case M66592_BULK:
- if (is_bulk_pipe(info->pipe))
- m66592->bi_bufnum -= 16;
- break;
- case M66592_ISO:
- if (is_isoc_pipe(info->pipe))
- m66592->bi_bufnum -= 16;
- break;
- }
-
if (is_bulk_pipe(info->pipe)) {
m66592->bulk--;
} else if (is_interrupt_pipe(info->pipe))
@@ -1603,8 +1595,6 @@ static int __init m66592_probe(struct platform_device *pdev)
m66592->timer.data = (unsigned long)m66592;
m66592->reg = reg;
- m66592->bi_bufnum = M66592_BASE_BUFNUM;
-
ret = request_irq(irq, m66592_irq, IRQF_DISABLED | IRQF_SHARED,
udc_name, m66592);
if (ret < 0) {
diff --git a/drivers/usb/gadget/m66592-udc.h b/drivers/usb/gadget/m66592-udc.h
index 286ce07e7960..9a9c2bf9fbd5 100644
--- a/drivers/usb/gadget/m66592-udc.h
+++ b/drivers/usb/gadget/m66592-udc.h
@@ -506,7 +506,6 @@ struct m66592 {
int interrupt;
int isochronous;
int num_dma;
- int bi_bufnum; /* bulk and isochronous's bufnum */
};
#define gadget_to_m66592(_gadget) container_of(_gadget, struct m66592, gadget)
--
GitLab
From c63c3105e4991b2991ba73a742b8b59bfdbe4acd Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 5 Jul 2009 02:50:10 +0900
Subject: [PATCH 022/742] sh: use kprobes_built_in() for notify_page_fault().
Kill off the KPROBES ifdef, as per x86.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/fault_32.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index 71925946f1e1..ce75b8882efb 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -25,14 +25,12 @@ static inline int notify_page_fault(struct pt_regs *regs, int trap)
{
int ret = 0;
-#ifdef CONFIG_KPROBES
- if (!user_mode(regs)) {
+ if (kprobes_built_in() && !user_mode(regs)) {
preempt_disable();
if (kprobe_running() && kprobe_fault_handler(regs, trap))
ret = 1;
preempt_enable();
}
-#endif
return ret;
}
--
GitLab
From 0f60bb25b4036d30fd795709be09626c58c52464 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 5 Jul 2009 03:18:47 +0900
Subject: [PATCH 023/742] sh: Tidy up vmalloc fault handling.
This rewrites the vmalloc fault handling as per x86, which subsequently
allows for easy future tie-in for vmalloc_sync_all().
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/fault_32.c | 153 ++++++++++++++++++++++++++----------------
1 file changed, 97 insertions(+), 56 deletions(-)
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index ce75b8882efb..08d0117d90fa 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -2,7 +2,7 @@
* Page fault handler for SH with an MMU.
*
* Copyright (C) 1999 Niibe Yutaka
- * Copyright (C) 2003 - 2008 Paul Mundt
+ * Copyright (C) 2003 - 2009 Paul Mundt
*
* Based on linux/arch/i386/mm/fault.c:
* Copyright (C) 1995 Linus Torvalds
@@ -35,6 +35,74 @@ static inline int notify_page_fault(struct pt_regs *regs, int trap)
return ret;
}
+static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
+{
+ unsigned index = pgd_index(address);
+ pgd_t *pgd_k;
+ pud_t *pud, *pud_k;
+ pmd_t *pmd, *pmd_k;
+
+ pgd += index;
+ pgd_k = init_mm.pgd + index;
+
+ if (!pgd_present(*pgd_k))
+ return NULL;
+
+ pud = pud_offset(pgd, address);
+ pud_k = pud_offset(pgd_k, address);
+ if (!pud_present(*pud_k))
+ return NULL;
+
+ pmd = pmd_offset(pud, address);
+ pmd_k = pmd_offset(pud_k, address);
+ if (!pmd_present(*pmd_k))
+ return NULL;
+
+ if (!pmd_present(*pmd))
+ set_pmd(pmd, *pmd_k);
+ else
+ BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k));
+
+ return pmd_k;
+}
+
+/*
+ * Handle a fault on the vmalloc or module mapping area
+ */
+static noinline int vmalloc_fault(unsigned long address)
+{
+ pgd_t *pgd_k;
+ pmd_t *pmd_k;
+ pte_t *pte_k;
+
+ /* Make sure we are in vmalloc area: */
+ if (!(address >= VMALLOC_START && address < VMALLOC_END))
+ return -1;
+
+ /*
+ * Synchronize this task's top level page-table
+ * with the 'reference' page table.
+ *
+ * Do _not_ use "current" here. We might be inside
+ * an interrupt in the middle of a task switch..
+ */
+ pgd_k = get_TTB();
+ pmd_k = vmalloc_sync_one(__va((unsigned long)pgd_k), address);
+ if (!pmd_k)
+ return -1;
+
+ pte_k = pte_offset_kernel(pmd_k, address);
+ if (!pte_present(*pte_k))
+ return -1;
+
+ return 0;
+}
+
+static int fault_in_kernel_space(unsigned long address)
+{
+ return address >= TASK_SIZE;
+}
+
/*
* This routine handles page faults. It determines the address,
* and the problem, and then passes it off to one of the appropriate
@@ -44,6 +112,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
unsigned long writeaccess,
unsigned long address)
{
+ unsigned long vec;
struct task_struct *tsk;
struct mm_struct *mm;
struct vm_area_struct * vma;
@@ -51,59 +120,30 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
int fault;
siginfo_t info;
- /*
- * We don't bother with any notifier callbacks here, as they are
- * all handled through the __do_page_fault() fast-path.
- */
-
tsk = current;
+ mm = tsk->mm;
si_code = SEGV_MAPERR;
+ vec = lookup_exception_vector();
- if (unlikely(address >= TASK_SIZE)) {
- /*
- * Synchronize this task's top level page-table
- * with the 'reference' page table.
- *
- * Do _not_ use "tsk" here. We might be inside
- * an interrupt in the middle of a task switch..
- */
- int offset = pgd_index(address);
- pgd_t *pgd, *pgd_k;
- pud_t *pud, *pud_k;
- pmd_t *pmd, *pmd_k;
-
- pgd = get_TTB() + offset;
- pgd_k = swapper_pg_dir + offset;
-
- if (!pgd_present(*pgd)) {
- if (!pgd_present(*pgd_k))
- goto bad_area_nosemaphore;
- set_pgd(pgd, *pgd_k);
+ /*
+ * We fault-in kernel-space virtual memory on-demand. The
+ * 'reference' page table is init_mm.pgd.
+ *
+ * NOTE! We MUST NOT take any locks for this case. We may
+ * be in an interrupt or a critical region, and should
+ * only copy the information from the master page table,
+ * nothing more.
+ */
+ if (unlikely(fault_in_kernel_space(address))) {
+ if (vmalloc_fault(address) >= 0)
return;
- }
-
- pud = pud_offset(pgd, address);
- pud_k = pud_offset(pgd_k, address);
-
- if (!pud_present(*pud)) {
- if (!pud_present(*pud_k))
- goto bad_area_nosemaphore;
- set_pud(pud, *pud_k);
+ if (notify_page_fault(regs, vec))
return;
- }
-
- pmd = pmd_offset(pud, address);
- pmd_k = pmd_offset(pud_k, address);
- if (pmd_present(*pmd) || !pmd_present(*pmd_k))
- goto bad_area_nosemaphore;
- set_pmd(pmd, *pmd_k);
- return;
+ goto bad_area_nosemaphore;
}
- mm = tsk->mm;
-
- if (unlikely(notify_page_fault(regs, lookup_exception_vector())))
+ if (unlikely(notify_page_fault(regs, vec)))
return;
/* Only enable interrupts if they were on before the fault */
@@ -113,8 +153,8 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
/*
- * If we're in an interrupt or have no user
- * context, we must not take the fault..
+ * If we're in an interrupt, have no user context or are running
+ * in an atomic region then we must not take the fault:
*/
if (in_atomic() || !mm)
goto no_context;
@@ -130,10 +170,11 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
goto bad_area;
if (expand_stack(vma, address))
goto bad_area;
-/*
- * Ok, we have a good vm_area for this memory access, so
- * we can handle it..
- */
+
+ /*
+ * Ok, we have a good vm_area for this memory access, so
+ * we can handle it..
+ */
good_area:
si_code = SEGV_ACCERR;
if (writeaccess) {
@@ -171,10 +212,10 @@ survive:
up_read(&mm->mmap_sem);
return;
-/*
- * Something tried to access memory that isn't in our memory map..
- * Fix it, but check if it's kernel or user first..
- */
+ /*
+ * Something tried to access memory that isn't in our memory map..
+ * Fix it, but check if it's kernel or user first..
+ */
bad_area:
up_read(&mm->mmap_sem);
--
GitLab
From 024eab4d5bf7e3168a2b71038b3e04e6b1f376ed Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Fri, 17 Jul 2009 09:01:04 -0400
Subject: [PATCH 024/742] ext4: Fix memory leak fix when mounting an ext4
filesystem
The allocation of the ext4_group_info array was moved to a new
function ext4_mb_add_group_info() in commit 5f21b0e6 so that online
resize would use a common (and correct) codepath. Unfortunately, the
call to the new ext4_mb_add_group_info() function was added without
removing the code which originally allocated the array. This caused a
memory leak each time an ext4 filesystem was mounted.
The fix is simple; remove the code that did the original allocation,
since it is no longer needed.
Reported-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/mballoc.c | 19 -------------------
1 file changed, 19 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index cd258463e2a9..cf9972090ad9 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2571,13 +2571,11 @@ static int ext4_mb_init_backend(struct super_block *sb)
{
ext4_group_t ngroups = ext4_get_groups_count(sb);
ext4_group_t i;
- int metalen;
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_super_block *es = sbi->s_es;
int num_meta_group_infos;
int num_meta_group_infos_max;
int array_size;
- struct ext4_group_info **meta_group_info;
struct ext4_group_desc *desc;
/* This is the number of blocks used by GDT */
@@ -2622,22 +2620,6 @@ static int ext4_mb_init_backend(struct super_block *sb)
goto err_freesgi;
}
EXT4_I(sbi->s_buddy_cache)->i_disksize = 0;
-
- metalen = sizeof(*meta_group_info) << EXT4_DESC_PER_BLOCK_BITS(sb);
- for (i = 0; i < num_meta_group_infos; i++) {
- if ((i + 1) == num_meta_group_infos)
- metalen = sizeof(*meta_group_info) *
- (ngroups -
- (i << EXT4_DESC_PER_BLOCK_BITS(sb)));
- meta_group_info = kmalloc(metalen, GFP_KERNEL);
- if (meta_group_info == NULL) {
- printk(KERN_ERR "EXT4-fs: can't allocate mem for a "
- "buddy group\n");
- goto err_freemeta;
- }
- sbi->s_group_info[i] = meta_group_info;
- }
-
for (i = 0; i < ngroups; i++) {
desc = ext4_get_group_desc(sb, i, NULL);
if (desc == NULL) {
@@ -2655,7 +2637,6 @@ err_freebuddy:
while (i-- > 0)
kfree(ext4_get_group_info(sb, i));
i = num_meta_group_infos;
-err_freemeta:
while (i-- > 0)
kfree(sbi->s_group_info[i]);
iput(sbi->s_buddy_cache);
--
GitLab
From 43b38520296d0c1730c78c878e1d6d1a49122091 Mon Sep 17 00:00:00 2001
From: Manish Katiyar <mkatiyar@gmail.com>
Date: Mon, 27 Jul 2009 21:38:17 -0400
Subject: [PATCH 025/742] ext4: Fix typo in ext4/Kconfig
Signed-off-by: Manish Katiyar <mkatiyar@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index 418b6f3b0ae8..152304624644 100644
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -37,7 +37,7 @@ config EXT4DEV_COMPAT
To enable backwards compatibility so that systems that are
still expecting to mount ext4 filesystems using ext4dev,
- chose Y here. This feature will go away by 2.6.31, so
+ choose Y here. This feature will go away by 2.6.31, so
please arrange to get your userspace programs fixed!
config EXT4_FS_XATTR
--
GitLab
From 78f1ddbb498283c2445c11b0dfa666424c301803 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 27 Jul 2009 23:09:47 -0400
Subject: [PATCH 026/742] ext4: Avoid null pointer dereference when decoding
EROFS w/o a journal
We need to check to make sure a journal is present before checking the
journal flags in ext4_decode_error().
Signed-off-by: Eric Sesterhenn <eric.sesterhenn@lsexperts.de>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/super.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 8f4f079e6b9a..fe3f376b7df2 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -344,7 +344,8 @@ static const char *ext4_decode_error(struct super_block *sb, int errno,
errstr = "Out of memory";
break;
case -EROFS:
- if (!sb || EXT4_SB(sb)->s_journal->j_flags & JBD2_ABORT)
+ if (!sb || (EXT4_SB(sb)->s_journal &&
+ EXT4_SB(sb)->s_journal->j_flags & JBD2_ABORT))
errstr = "Journal has aborted";
else
errstr = "Readonly filesystem";
--
GitLab
From f6f50e28f0cb8d7bcdfaacc83129f005dede11b1 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Fri, 17 Jul 2009 10:40:01 -0400
Subject: [PATCH 027/742] jbd2: Fail to load a journal if it is too short
Due to on disk corruption, it can happen that journal is too short. Fail
to load it in such case so that we don't oops somewhere later.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/jbd2/journal.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index e378cb383979..a8a358bc0f21 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1187,6 +1187,12 @@ static int journal_reset(journal_t *journal)
first = be32_to_cpu(sb->s_first);
last = be32_to_cpu(sb->s_maxlen);
+ if (first + JBD2_MIN_JOURNAL_BLOCKS > last + 1) {
+ printk(KERN_ERR "JBD: Journal too short (blocks %llu-%llu).\n",
+ first, last);
+ journal_fail_superblock(journal);
+ return -EINVAL;
+ }
journal->j_first = first;
journal->j_last = last;
--
GitLab
From 6487a9d3b5476ffd1bbbe97e58cf26dbeb7a5d4a Mon Sep 17 00:00:00 2001
From: Curt Wohlgemuth <curtw@google.com>
Date: Fri, 17 Jul 2009 10:54:08 -0400
Subject: [PATCH 028/742] ext4: More buffer head reference leaks
After the patch I posted last week regarding buffer head ref leaks in
no-journal mode, I looked at all the code that uses buffer heads and
searched for more potential leaks.
The patch below fixes the issues I found; these can occur even when a
journal is present.
The change to inode.c fixes a double release if
ext4_journal_get_create_access() fails.
The changes to namei.c are more complicated. add_dirent_to_buf() will
release the input buffer head EXCEPT when it returns -ENOSPC. There are
some callers of this routine that don't always do the brelse() in the event
that -ENOSPC is returned. Unfortunately, to put this fix into ext4_add_entry()
required capturing the return value of make_indexed_dir() and
add_dirent_to_buf().
Signed-off-by: Curt Wohlgemuth <curtw@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/inode.c | 3 ++-
fs/ext4/namei.c | 16 ++++++++++++----
2 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f9c642b22efa..deb14a728791 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -762,8 +762,9 @@ static int ext4_alloc_branch(handle_t *handle, struct inode *inode,
BUFFER_TRACE(bh, "call get_create_access");
err = ext4_journal_get_create_access(handle, bh);
if (err) {
+ /* Don't brelse(bh) here; it's done in
+ * ext4_journal_forget() below */
unlock_buffer(bh);
- brelse(bh);
goto failed;
}
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 114abe5d2c1d..fea14dbd3c22 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1518,8 +1518,12 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
return retval;
if (blocks == 1 && !dx_fallback &&
- EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_DIR_INDEX))
- return make_indexed_dir(handle, dentry, inode, bh);
+ EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_DIR_INDEX)) {
+ retval = make_indexed_dir(handle, dentry, inode, bh);
+ if (retval == -ENOSPC)
+ brelse(bh);
+ return retval;
+ }
brelse(bh);
}
bh = ext4_append(handle, dir, &block, &retval);
@@ -1528,7 +1532,10 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
de = (struct ext4_dir_entry_2 *) bh->b_data;
de->inode = 0;
de->rec_len = ext4_rec_len_to_disk(blocksize, blocksize);
- return add_dirent_to_buf(handle, dentry, inode, de, bh);
+ retval = add_dirent_to_buf(handle, dentry, inode, de, bh);
+ if (retval == -ENOSPC)
+ brelse(bh);
+ return retval;
}
/*
@@ -1657,7 +1664,8 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
if (!de)
goto cleanup;
err = add_dirent_to_buf(handle, dentry, inode, de, bh);
- bh = NULL;
+ if (err != -ENOSPC)
+ bh = NULL;
goto cleanup;
journal_error:
--
GitLab
From 5a4a798937f92413cb7dbdb6bd554186024092e9 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Sun, 5 Jul 2009 22:33:08 -0400
Subject: [PATCH 029/742] ext4: Remove unnecessary semicolons in mballoc.c
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/mballoc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index cf9972090ad9..ba49e0c596f2 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2532,7 +2532,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
INIT_LIST_HEAD(&meta_group_info[i]->bb_prealloc_list);
init_rwsem(&meta_group_info[i]->alloc_sem);
- meta_group_info[i]->bb_free_root.rb_node = NULL;;
+ meta_group_info[i]->bb_free_root.rb_node = NULL;
#ifdef DOUBLE_CHECK
{
--
GitLab
From 1c718505171b06dbb60eafcb3fddba877dae5f7b Mon Sep 17 00:00:00 2001
From: Akira Fujita <a-fujita@rs.jp.nec.com>
Date: Sun, 5 Jul 2009 23:04:36 -0400
Subject: [PATCH 030/742] ext4: Fix compile warnings with MB_DEBUG
When MB_DEBUG is enabled, we get some compile warnings because
ext4_group_t is unsigned int. This patch fixes them.
Signed-off-by Akira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/mballoc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index ba49e0c596f2..68cde598b3bf 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1851,7 +1851,7 @@ int ext4_mb_init_group(struct super_block *sb, ext4_group_t group)
struct inode *inode = sbi->s_buddy_cache;
struct page *page = NULL, *bitmap_page = NULL;
- mb_debug("init group %lu\n", group);
+ mb_debug("init group %u\n", group);
blocks_per_page = PAGE_CACHE_SIZE / sb->s_blocksize;
this_grp = ext4_get_group_info(sb, group);
/*
@@ -4120,14 +4120,14 @@ static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
ext4_get_group_no_and_offset(sb, pa->pa_pstart,
NULL, &start);
spin_unlock(&pa->pa_lock);
- printk(KERN_ERR "PA:%lu:%d:%u \n", i,
- start, pa->pa_len);
+ printk(KERN_ERR "PA:%u:%d:%u \n", i,
+ start, pa->pa_len);
}
ext4_unlock_group(sb, i);
if (grp->bb_free == 0)
continue;
- printk(KERN_ERR "%lu: %d/%d \n",
+ printk(KERN_ERR "%u: %d/%d \n",
i, grp->bb_free, grp->bb_fragments);
}
printk(KERN_ERR "\n");
--
GitLab
From ca0d17277fd101ce4878f92b398b6ab71fb2c287 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sun, 28 Jun 2009 12:53:07 +0100
Subject: [PATCH 031/742] sh: Fix the value of MCOUNT_INSN_OFFSET
It seems that MCOUNT_INSN_OFFSET was calculating the distance between
the wrong functions. The value that should have actually been computed
is the distance between ftrace_call and ftrace_stub. I discovered this
when I added some code to ftrace_caller.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/ftrace.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/sh/include/asm/ftrace.h b/arch/sh/include/asm/ftrace.h
index 8fea7d8c8258..b09311ad1db3 100644
--- a/arch/sh/include/asm/ftrace.h
+++ b/arch/sh/include/asm/ftrace.h
@@ -11,10 +11,10 @@ extern void mcount(void);
#define MCOUNT_ADDR ((long)(mcount))
#ifdef CONFIG_DYNAMIC_FTRACE
-#define CALLER_ADDR ((long)(ftrace_caller))
+#define CALL_ADDR ((long)(ftrace_call))
#define STUB_ADDR ((long)(ftrace_stub))
-#define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALLER_ADDR) >> 1)
+#define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALL_ADDR) - 4)
struct dyn_arch_ftrace {
/* No extra data needed on sh */
--
GitLab
From c1340c053be7a43d837a3acb352d5008be865a55 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sun, 28 Jun 2009 14:05:44 +0100
Subject: [PATCH 032/742] sh: Define HAVE_FUNCTION_TRACE_MCOUNT_TEST
Enable HAVE_FUNCTION_TRACE_MCOUNT_TEST and test the value of
function_trace_stop from our assembly code as opposed to using the
generic C function. This should optimise our mcount/ftrace code path.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 1 +
arch/sh/lib/mcount.S | 17 ++++++++++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index e2bdd7b94fd9..801a4a79ffe3 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -31,6 +31,7 @@ config SUPERH32
select HAVE_FUNCTION_TRACER
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_DYNAMIC_FTRACE
+ select HAVE_FUNCTION_TRACE_MCOUNT_TEST
select HAVE_ARCH_KGDB
select ARCH_HIBERNATION_POSSIBLE if MMU
diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S
index 110fbfe1831f..cb87ef580b31 100644
--- a/arch/sh/lib/mcount.S
+++ b/arch/sh/lib/mcount.S
@@ -2,7 +2,7 @@
* arch/sh/lib/mcount.S
*
* Copyright (C) 2008 Paul Mundt
- * Copyright (C) 2008 Matt Fleming
+ * Copyright (C) 2008, 2009 Matt Fleming
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
@@ -35,6 +35,12 @@
.type mcount,@function
_mcount:
mcount:
+#ifndef CONFIG_DYNAMIC_FTRACE
+ mov.l .Lfunction_trace_stop, r0
+ mov.l @r0, r0
+ tst r0, r0
+ bf ftrace_stub
+#endif
MCOUNT_ENTER()
#ifdef CONFIG_DYNAMIC_FTRACE
@@ -62,6 +68,11 @@ skip_trace:
#ifdef CONFIG_DYNAMIC_FTRACE
.globl ftrace_caller
ftrace_caller:
+ mov.l .Lfunction_trace_stop, r0
+ mov.l @r0, r0
+ tst r0, r0
+ bf ftrace_stub
+
MCOUNT_ENTER()
.globl ftrace_call
@@ -88,3 +99,7 @@ ftrace_call:
ftrace_stub:
rts
nop
+
+ .align 2
+.Lfunction_trace_stop:
+ .long function_trace_stop
--
GitLab
From c652d780c9cf7f860141de232b37160fe013feca Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Mon, 6 Jul 2009 20:16:33 +0900
Subject: [PATCH 033/742] sh: Add ftrace syscall tracing support
Now that I've added TIF_SYSCALL_FTRACE the thread flags do not fit into
a single byte any more. Code testing them now needs to be aware of the
upper and lower bytes.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 1 +
arch/sh/include/asm/syscall_32.h | 1 +
arch/sh/include/asm/thread_info.h | 11 +++--
arch/sh/kernel/Makefile_32 | 1 +
arch/sh/kernel/entry-common.S | 18 +++++---
arch/sh/kernel/ftrace.c | 68 +++++++++++++++++++++++++++++++
arch/sh/kernel/ptrace_32.c | 8 ++++
arch/sh/lib/mcount.S | 2 +-
8 files changed, 100 insertions(+), 10 deletions(-)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 801a4a79ffe3..29e41ec6537d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -32,6 +32,7 @@ config SUPERH32
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
+ select HAVE_FTRACE_SYSCALLS
select HAVE_ARCH_KGDB
select ARCH_HIBERNATION_POSSIBLE if MMU
diff --git a/arch/sh/include/asm/syscall_32.h b/arch/sh/include/asm/syscall_32.h
index 6f83f2cc45c1..7d80df4f09cb 100644
--- a/arch/sh/include/asm/syscall_32.h
+++ b/arch/sh/include/asm/syscall_32.h
@@ -65,6 +65,7 @@ static inline void syscall_get_arguments(struct task_struct *task,
case 3: args[2] = regs->regs[6];
case 2: args[1] = regs->regs[5];
case 1: args[0] = regs->regs[4];
+ case 0:
break;
default:
BUG();
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index f09ac4806294..499e315f4be2 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -97,7 +97,7 @@ static inline struct thread_info *current_thread_info(void)
extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
extern void free_thread_info(struct thread_info *ti);
-
+
#endif /* THREAD_SHIFT < PAGE_SHIFT */
#endif /* __ASSEMBLY__ */
@@ -116,6 +116,7 @@ extern void free_thread_info(struct thread_info *ti);
#define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */
#define TIF_SECCOMP 6 /* secure computing */
#define TIF_NOTIFY_RESUME 7 /* callback before returning to user */
+#define TIF_SYSCALL_FTRACE 8 /* for ftrace syscall instrumentation */
#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */
#define TIF_MEMDIE 18
@@ -129,25 +130,27 @@ extern void free_thread_info(struct thread_info *ti);
#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
#define _TIF_SECCOMP (1 << TIF_SECCOMP)
#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
+#define _TIF_SYSCALL_FTRACE (1 << TIF_SYSCALL_FTRACE)
#define _TIF_USEDFPU (1 << TIF_USEDFPU)
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
#define _TIF_FREEZE (1 << TIF_FREEZE)
/*
- * _TIF_ALLWORK_MASK and _TIF_WORK_MASK need to fit within a byte, or we
+ * _TIF_ALLWORK_MASK and _TIF_WORK_MASK need to fit within 2 bytes, or we
* blow the tst immediate size constraints and need to fix up
* arch/sh/kernel/entry-common.S.
*/
/* work to do in syscall trace */
#define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
- _TIF_SYSCALL_AUDIT | _TIF_SECCOMP)
+ _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \
+ _TIF_SYSCALL_FTRACE)
/* work to do on any return to u-space */
#define _TIF_ALLWORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SIGPENDING | \
_TIF_NEED_RESCHED | _TIF_SYSCALL_AUDIT | \
_TIF_SINGLESTEP | _TIF_RESTORE_SIGMASK | \
- _TIF_NOTIFY_RESUME)
+ _TIF_NOTIFY_RESUME | _TIF_SYSCALL_FTRACE)
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index 9411e3e31e68..fee924a9c46c 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -29,6 +29,7 @@ obj-$(CONFIG_IO_TRAPPED) += io_trapped.o
obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_GENERIC_GPIO) += gpio.o
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
+obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
obj-$(CONFIG_DUMP_CODE) += disassemble.o
obj-$(CONFIG_HIBERNATION) += swsusp.o
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index d62359cfbbe2..d62175650c54 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -131,7 +131,7 @@ ENTRY(resume_userspace)
nop
#endif
mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags
- tst #_TIF_WORK_MASK, r0
+ tst #(_TIF_WORK_MASK & 0xff), r0
bt/s __restore_all
tst #_TIF_NEED_RESCHED, r0
@@ -163,7 +163,7 @@ work_resched:
#endif
!
mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags
- tst #_TIF_WORK_MASK, r0
+ tst #(_TIF_WORK_MASK & 0xff), r0
bt __restore_all
bra work_pending
tst #_TIF_NEED_RESCHED, r0
@@ -181,7 +181,7 @@ work_resched:
syscall_exit_work:
! r0: current_thread_info->flags
! r8: current_thread_info
- tst #_TIF_WORK_SYSCALL_MASK, r0
+ tst #(_TIF_WORK_SYSCALL_MASK & 0xff), r0
bt/s work_pending
tst #_TIF_NEED_RESCHED, r0
#ifdef CONFIG_TRACE_IRQFLAGS
@@ -331,8 +331,12 @@ ENTRY(system_call)
!
get_current_thread_info r8, r10
mov.l @(TI_FLAGS,r8), r8
- mov #_TIF_WORK_SYSCALL_MASK, r10
+ mov #(_TIF_WORK_SYSCALL_MASK & 0xff), r10
+ mov #(_TIF_WORK_SYSCALL_MASK >> 8), r9
tst r10, r8
+ shll8 r9
+ bf syscall_trace_entry
+ tst r9, r8
bf syscall_trace_entry
!
mov.l 2f, r8 ! Number of syscalls
@@ -359,7 +363,11 @@ syscall_exit:
!
get_current_thread_info r8, r0
mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags
- tst #_TIF_ALLWORK_MASK, r0
+ tst #(_TIF_ALLWORK_MASK & 0xff), r0
+ mov #(_TIF_ALLWORK_MASK >> 8), r1
+ bf syscall_exit_work
+ shlr8 r0
+ tst r0, r1
bf syscall_exit_work
bra __restore_all
nop
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
index 066f37dc32a9..4f62eced0aec 100644
--- a/arch/sh/kernel/ftrace.c
+++ b/arch/sh/kernel/ftrace.c
@@ -18,6 +18,8 @@
#include <linux/io.h>
#include <asm/ftrace.h>
#include <asm/cacheflush.h>
+#include <asm/unistd.h>
+#include <trace/syscall.h>
static unsigned char ftrace_replaced_code[MCOUNT_INSN_SIZE];
@@ -131,3 +133,69 @@ int __init ftrace_dyn_arch_init(void *data)
return 0;
}
+
+#ifdef CONFIG_FTRACE_SYSCALLS
+
+extern unsigned long __start_syscalls_metadata[];
+extern unsigned long __stop_syscalls_metadata[];
+extern unsigned long *sys_call_table;
+
+static struct syscall_metadata **syscalls_metadata;
+
+static struct syscall_metadata *find_syscall_meta(unsigned long *syscall)
+{
+ struct syscall_metadata *start;
+ struct syscall_metadata *stop;
+ char str[KSYM_SYMBOL_LEN];
+
+
+ start = (struct syscall_metadata *)__start_syscalls_metadata;
+ stop = (struct syscall_metadata *)__stop_syscalls_metadata;
+ kallsyms_lookup((unsigned long) syscall, NULL, NULL, NULL, str);
+
+ for ( ; start < stop; start++) {
+ if (start->name && !strcmp(start->name, str))
+ return start;
+ }
+
+ return NULL;
+}
+
+#define FTRACE_SYSCALL_MAX (NR_syscalls - 1)
+
+struct syscall_metadata *syscall_nr_to_meta(int nr)
+{
+ if (!syscalls_metadata || nr >= FTRACE_SYSCALL_MAX || nr < 0)
+ return NULL;
+
+ return syscalls_metadata[nr];
+}
+
+void arch_init_ftrace_syscalls(void)
+{
+ int i;
+ struct syscall_metadata *meta;
+ unsigned long **psys_syscall_table = &sys_call_table;
+ static atomic_t refs;
+
+ if (atomic_inc_return(&refs) != 1)
+ goto end;
+
+ syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) *
+ FTRACE_SYSCALL_MAX, GFP_KERNEL);
+ if (!syscalls_metadata) {
+ WARN_ON(1);
+ return;
+ }
+
+ for (i = 0; i < FTRACE_SYSCALL_MAX; i++) {
+ meta = find_syscall_meta(psys_syscall_table[i]);
+ syscalls_metadata[i] = meta;
+ }
+ return;
+
+ /* Paranoid: avoid overflow */
+end:
+ atomic_dec(&refs);
+}
+#endif /* CONFIG_FTRACE_SYSCALLS */
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 3392e835a374..c198eceaee94 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -34,6 +34,8 @@
#include <asm/syscalls.h>
#include <asm/fpu.h>
+#include <trace/syscall.h>
+
/*
* This routine will get a word off of the process kernel stack.
*/
@@ -459,6 +461,9 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
*/
ret = -1L;
+ if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
+ ftrace_syscall_enter(regs);
+
if (unlikely(current->audit_context))
audit_syscall_entry(audit_arch(), regs->regs[3],
regs->regs[4], regs->regs[5],
@@ -475,6 +480,9 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]),
regs->regs[0]);
+ if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
+ ftrace_syscall_exit(regs);
+
step = test_thread_flag(TIF_SINGLESTEP);
if (step || test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, step);
diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S
index cb87ef580b31..71e87f9b4fda 100644
--- a/arch/sh/lib/mcount.S
+++ b/arch/sh/lib/mcount.S
@@ -72,7 +72,7 @@ ftrace_caller:
mov.l @r0, r0
tst r0, r0
bf ftrace_stub
-
+
MCOUNT_ENTER()
.globl ftrace_call
--
GitLab
From 727dc3fde82969609e1e69f1f12de83c2fe41238 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 7 Jul 2009 10:30:02 +0900
Subject: [PATCH 034/742] video: sh_mobile_lcdcfb: depends on HAVE_CLK.
This deifdefs the driver and adds an explicit HAVE_CLK dependency. Given
that all SH platforms provide it, there is no reason to keep this as an
ifdef. Other architectures that implement support for this driver will
already have to provide clock framework support for timers and so on
already, so adding this as an additional dependency is not terribly
probematic.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/video/Kconfig | 2 +-
drivers/video/sh_mobile_lcdcfb.c | 16 +---------------
2 files changed, 2 insertions(+), 16 deletions(-)
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 8afcf08eba98..ca330b1b3653 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1866,7 +1866,7 @@ config FB_W100
config FB_SH_MOBILE_LCDC
tristate "SuperH Mobile LCDC framebuffer support"
- depends on FB && SUPERH
+ depends on FB && SUPERH && HAVE_CLK
select FB_SYS_FILLRECT
select FB_SYS_COPYAREA
select FB_SYS_IMAGEBLIT
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index da983b720f08..65806ec3313b 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -42,11 +42,9 @@ struct sh_mobile_lcdc_chan {
struct sh_mobile_lcdc_priv {
void __iomem *base;
int irq;
-#ifdef CONFIG_HAVE_CLK
atomic_t clk_usecnt;
struct clk *dot_clk;
struct clk *clk;
-#endif
unsigned long lddckr;
struct sh_mobile_lcdc_chan ch[2];
int started;
@@ -185,7 +183,6 @@ struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = {
lcdc_sys_read_data,
};
-#ifdef CONFIG_HAVE_CLK
static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv)
{
if (atomic_inc_and_test(&priv->clk_usecnt)) {
@@ -203,10 +200,6 @@ static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv)
clk_disable(priv->clk);
}
}
-#else
-static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv) {}
-static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv) {}
-#endif
static int sh_mobile_lcdc_sginit(struct fb_info *info,
struct list_head *pagelist)
@@ -515,7 +508,6 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
board_cfg = &ch->cfg.board_cfg;
if (board_cfg->display_off)
board_cfg->display_off(board_cfg->board_data);
-
}
/* stop the lcdc */
@@ -574,9 +566,7 @@ static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev,
int clock_source,
struct sh_mobile_lcdc_priv *priv)
{
-#ifdef CONFIG_HAVE_CLK
char clk_name[8];
-#endif
char *str;
int icksel;
@@ -590,7 +580,6 @@ static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev,
priv->lddckr = icksel << 16;
-#ifdef CONFIG_HAVE_CLK
atomic_set(&priv->clk_usecnt, -1);
snprintf(clk_name, sizeof(clk_name), "lcdc%d", pdev->id);
priv->clk = clk_get(&pdev->dev, clk_name);
@@ -598,7 +587,7 @@ static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev,
dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
return PTR_ERR(priv->clk);
}
-
+
if (str) {
priv->dot_clk = clk_get(&pdev->dev, str);
if (IS_ERR(priv->dot_clk)) {
@@ -607,7 +596,6 @@ static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev,
return PTR_ERR(priv->dot_clk);
}
}
-#endif
return 0;
}
@@ -934,11 +922,9 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
fb_dealloc_cmap(&info->cmap);
}
-#ifdef CONFIG_HAVE_CLK
if (priv->dot_clk)
clk_put(priv->dot_clk);
clk_put(priv->clk);
-#endif
if (priv->base)
iounmap(priv->base);
--
GitLab
From 951ed4d36b77ba9fe1ea08fc3c59d8bb6c9bda32 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Tue, 7 Jul 2009 11:27:28 +0200
Subject: [PATCH 035/742] timekeeping: optimized ktime_get[_ts] for
GENERIC_TIME=y
The generic ktime_get function defined in kernel/hrtimer.c is suboptimial
for GENERIC_TIME=y:
0) | ktime_get() {
0) | ktime_get_ts() {
0) | getnstimeofday() {
0) | read_tod_clock() {
0) 0.601 us | }
0) 1.938 us | }
0) | set_normalized_timespec() {
0) 0.602 us | }
0) 4.375 us | }
0) 5.523 us | }
Overall there are two read_seqbegin/read_seqretry loops and a lot of
unnecessary struct timespec calculations. ktime_get returns a nano second
value which is the sum of xtime, wall_to_monotonic and the nano second
delta from the clock source.
ktime_get can be optimized for GENERIC_TIME=y. The new version only calls
clocksource_read:
0) | ktime_get() {
0) | read_tod_clock() {
0) 0.610 us | }
0) 1.977 us | }
It uses a single read_seqbegin/readseqretry loop and just adds everthing
to a nano second value.
ktime_get_ts is optimized in a similar fashion.
[ tglx: added WARN_ON(timekeeping_suspended) as in getnstimeofday() ]
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: john stultz <johnstul@us.ibm.com>
LKML-Reference: <20090707112728.3005244d@skybase>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/hrtimer.c | 4 +++
kernel/time/timekeeping.c | 69 +++++++++++++++++++++++++++++++++++++++
2 files changed, 73 insertions(+)
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 9002958a96e7..829e0664b72e 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -48,6 +48,7 @@
#include <asm/uaccess.h>
+#ifndef CONFIG_GENERIC_TIME
/**
* ktime_get - get the monotonic time in ktime_t format
*
@@ -62,6 +63,7 @@ ktime_t ktime_get(void)
return timespec_to_ktime(now);
}
EXPORT_SYMBOL_GPL(ktime_get);
+#endif
/**
* ktime_get_real - get the real (wall-) time in ktime_t format
@@ -106,6 +108,7 @@ DEFINE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases) =
}
};
+#ifndef CONFIG_GENERIC_TIME
/**
* ktime_get_ts - get the monotonic clock in timespec format
* @ts: pointer to timespec variable
@@ -130,6 +133,7 @@ void ktime_get_ts(struct timespec *ts)
ts->tv_nsec + tomono.tv_nsec);
}
EXPORT_SYMBOL_GPL(ktime_get_ts);
+#endif
/*
* Get the coarse grained time at the softirq based on xtime and
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index e8c77d9c633a..7a248135c6f2 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -125,6 +125,75 @@ void getnstimeofday(struct timespec *ts)
EXPORT_SYMBOL(getnstimeofday);
+ktime_t ktime_get(void)
+{
+ cycle_t cycle_now, cycle_delta;
+ unsigned int seq;
+ s64 secs, nsecs;
+
+ WARN_ON(timekeeping_suspended);
+
+ do {
+ seq = read_seqbegin(&xtime_lock);
+ secs = xtime.tv_sec + wall_to_monotonic.tv_sec;
+ nsecs = xtime.tv_nsec + wall_to_monotonic.tv_nsec;
+
+ /* read clocksource: */
+ cycle_now = clocksource_read(clock);
+
+ /* calculate the delta since the last update_wall_time: */
+ cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
+
+ /* convert to nanoseconds: */
+ nsecs += cyc2ns(clock, cycle_delta);
+
+ } while (read_seqretry(&xtime_lock, seq));
+ /*
+ * Use ktime_set/ktime_add_ns to create a proper ktime on
+ * 32-bit architectures without CONFIG_KTIME_SCALAR.
+ */
+ return ktime_add_ns(ktime_set(secs, 0), nsecs);
+}
+EXPORT_SYMBOL_GPL(ktime_get);
+
+/**
+ * ktime_get_ts - get the monotonic clock in timespec format
+ * @ts: pointer to timespec variable
+ *
+ * The function calculates the monotonic clock from the realtime
+ * clock and the wall_to_monotonic offset and stores the result
+ * in normalized timespec format in the variable pointed to by @ts.
+ */
+void ktime_get_ts(struct timespec *ts)
+{
+ cycle_t cycle_now, cycle_delta;
+ struct timespec tomono;
+ unsigned int seq;
+ s64 nsecs;
+
+ WARN_ON(timekeeping_suspended);
+
+ do {
+ seq = read_seqbegin(&xtime_lock);
+ *ts = xtime;
+ tomono = wall_to_monotonic;
+
+ /* read clocksource: */
+ cycle_now = clocksource_read(clock);
+
+ /* calculate the delta since the last update_wall_time: */
+ cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
+
+ /* convert to nanoseconds: */
+ nsecs = cyc2ns(clock, cycle_delta);
+
+ } while (read_seqretry(&xtime_lock, seq));
+
+ set_normalized_timespec(ts, ts->tv_sec + tomono.tv_sec,
+ ts->tv_nsec + tomono.tv_nsec + nsecs);
+}
+EXPORT_SYMBOL_GPL(ktime_get_ts);
+
/**
* do_gettimeofday - Returns the time of day in a timeval
* @tv: pointer to the timeval to be set
--
GitLab
From a40f262cc21fbfd781bbddcc40b16b83a75f5f34 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 7 Jul 2009 13:00:31 +0200
Subject: [PATCH 036/742] timekeeping: Move ktime_get() functions to
timekeeping.c
The ktime_get() functions for GENERIC_TIME=n are still located in
hrtimer.c. Move them to time/timekeeping.c where they belong.
LKML-Reference: <new-submission>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/hrtimer.c | 60 ---------------------------------------
kernel/time/timekeeping.c | 59 ++++++++++++++++++++++++++++++++++++--
2 files changed, 57 insertions(+), 62 deletions(-)
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 829e0664b72e..43d151f185b6 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -48,39 +48,6 @@
#include <asm/uaccess.h>
-#ifndef CONFIG_GENERIC_TIME
-/**
- * ktime_get - get the monotonic time in ktime_t format
- *
- * returns the time in ktime_t format
- */
-ktime_t ktime_get(void)
-{
- struct timespec now;
-
- ktime_get_ts(&now);
-
- return timespec_to_ktime(now);
-}
-EXPORT_SYMBOL_GPL(ktime_get);
-#endif
-
-/**
- * ktime_get_real - get the real (wall-) time in ktime_t format
- *
- * returns the time in ktime_t format
- */
-ktime_t ktime_get_real(void)
-{
- struct timespec now;
-
- getnstimeofday(&now);
-
- return timespec_to_ktime(now);
-}
-
-EXPORT_SYMBOL_GPL(ktime_get_real);
-
/*
* The timer bases:
*
@@ -108,33 +75,6 @@ DEFINE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases) =
}
};
-#ifndef CONFIG_GENERIC_TIME
-/**
- * ktime_get_ts - get the monotonic clock in timespec format
- * @ts: pointer to timespec variable
- *
- * The function calculates the monotonic clock from the realtime
- * clock and the wall_to_monotonic offset and stores the result
- * in normalized timespec format in the variable pointed to by @ts.
- */
-void ktime_get_ts(struct timespec *ts)
-{
- struct timespec tomono;
- unsigned long seq;
-
- do {
- seq = read_seqbegin(&xtime_lock);
- getnstimeofday(ts);
- tomono = wall_to_monotonic;
-
- } while (read_seqretry(&xtime_lock, seq));
-
- set_normalized_timespec(ts, ts->tv_sec + tomono.tv_sec,
- ts->tv_nsec + tomono.tv_nsec);
-}
-EXPORT_SYMBOL_GPL(ktime_get_ts);
-#endif
-
/*
* Get the coarse grained time at the softirq based on xtime and
* wall_to_monotonic.
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 7a248135c6f2..02c0b2c9c674 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -290,10 +290,65 @@ static void change_clocksource(void)
clock->name);
*/
}
-#else
+#else /* GENERIC_TIME */
static inline void clocksource_forward_now(void) { }
static inline void change_clocksource(void) { }
-#endif
+
+/**
+ * ktime_get - get the monotonic time in ktime_t format
+ *
+ * returns the time in ktime_t format
+ */
+ktime_t ktime_get(void)
+{
+ struct timespec now;
+
+ ktime_get_ts(&now);
+
+ return timespec_to_ktime(now);
+}
+EXPORT_SYMBOL_GPL(ktime_get);
+
+/**
+ * ktime_get_ts - get the monotonic clock in timespec format
+ * @ts: pointer to timespec variable
+ *
+ * The function calculates the monotonic clock from the realtime
+ * clock and the wall_to_monotonic offset and stores the result
+ * in normalized timespec format in the variable pointed to by @ts.
+ */
+void ktime_get_ts(struct timespec *ts)
+{
+ struct timespec tomono;
+ unsigned long seq;
+
+ do {
+ seq = read_seqbegin(&xtime_lock);
+ getnstimeofday(ts);
+ tomono = wall_to_monotonic;
+
+ } while (read_seqretry(&xtime_lock, seq));
+
+ set_normalized_timespec(ts, ts->tv_sec + tomono.tv_sec,
+ ts->tv_nsec + tomono.tv_nsec);
+}
+EXPORT_SYMBOL_GPL(ktime_get_ts);
+#endif /* !GENERIC_TIME */
+
+/**
+ * ktime_get_real - get the real (wall-) time in ktime_t format
+ *
+ * returns the time in ktime_t format
+ */
+ktime_t ktime_get_real(void)
+{
+ struct timespec now;
+
+ getnstimeofday(&now);
+
+ return timespec_to_ktime(now);
+}
+EXPORT_SYMBOL_GPL(ktime_get_real);
/**
* getrawmonotonic - Returns the raw monotonic time in a timespec
--
GitLab
From 7a6d3c8b3049d07123628f2bf57127bba2cc878f Mon Sep 17 00:00:00 2001
From: Csaba Henk <csaba@gluster.com>
Date: Wed, 1 Jul 2009 17:28:41 -0700
Subject: [PATCH 037/742] fuse: make the number of max background requests and
congestion threshold tunable
The practical values for these limits depend on the design of the
filesystem server so let userspace set them at initialization time.
Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
fs/fuse/dev.c | 10 +++++-----
fs/fuse/fuse_i.h | 12 ++++++------
fs/fuse/inode.c | 14 ++++++++++++++
include/linux/fuse.h | 9 +++++++--
4 files changed, 32 insertions(+), 13 deletions(-)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index f58ecbc416c8..b152761c1bf6 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -250,7 +250,7 @@ static void queue_request(struct fuse_conn *fc, struct fuse_req *req)
static void flush_bg_queue(struct fuse_conn *fc)
{
- while (fc->active_background < FUSE_MAX_BACKGROUND &&
+ while (fc->active_background < fc->max_background &&
!list_empty(&fc->bg_queue)) {
struct fuse_req *req;
@@ -280,11 +280,11 @@ __releases(&fc->lock)
list_del(&req->intr_entry);
req->state = FUSE_REQ_FINISHED;
if (req->background) {
- if (fc->num_background == FUSE_MAX_BACKGROUND) {
+ if (fc->num_background == fc->max_background) {
fc->blocked = 0;
wake_up_all(&fc->blocked_waitq);
}
- if (fc->num_background == FUSE_CONGESTION_THRESHOLD &&
+ if (fc->num_background == fc->congestion_threshold &&
fc->connected && fc->bdi_initialized) {
clear_bdi_congested(&fc->bdi, READ);
clear_bdi_congested(&fc->bdi, WRITE);
@@ -410,9 +410,9 @@ static void fuse_request_send_nowait_locked(struct fuse_conn *fc,
{
req->background = 1;
fc->num_background++;
- if (fc->num_background == FUSE_MAX_BACKGROUND)
+ if (fc->num_background == fc->max_background)
fc->blocked = 1;
- if (fc->num_background == FUSE_CONGESTION_THRESHOLD &&
+ if (fc->num_background == fc->congestion_threshold &&
fc->bdi_initialized) {
set_bdi_congested(&fc->bdi, READ);
set_bdi_congested(&fc->bdi, WRITE);
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 52b641fc0faf..6bcfab04396f 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -25,12 +25,6 @@
/** Max number of pages that can be used in a single read request */
#define FUSE_MAX_PAGES_PER_REQ 32
-/** Maximum number of outstanding background requests */
-#define FUSE_MAX_BACKGROUND 12
-
-/** Congestion starts at 75% of maximum */
-#define FUSE_CONGESTION_THRESHOLD (FUSE_MAX_BACKGROUND * 75 / 100)
-
/** Bias for fi->writectr, meaning new writepages must not be sent */
#define FUSE_NOWRITE INT_MIN
@@ -349,6 +343,12 @@ struct fuse_conn {
/** rbtree of fuse_files waiting for poll events indexed by ph */
struct rb_root polled_files;
+ /** Maximum number of outstanding background requests */
+ unsigned max_background;
+
+ /** Number of background requests at which congestion starts */
+ unsigned congestion_threshold;
+
/** Number of requests currently in the background */
unsigned num_background;
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index f91ccc4a189d..9aa6f46d0c32 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -32,6 +32,12 @@ DEFINE_MUTEX(fuse_mutex);
#define FUSE_DEFAULT_BLKSIZE 512
+/** Maximum number of outstanding background requests */
+#define FUSE_DEFAULT_MAX_BACKGROUND 12
+
+/** Congestion starts at 75% of maximum */
+#define FUSE_DEFAULT_CONGESTION_THRESHOLD (FUSE_DEFAULT_MAX_BACKGROUND * 3 / 4)
+
struct fuse_mount_data {
int fd;
unsigned rootmode;
@@ -517,6 +523,8 @@ void fuse_conn_init(struct fuse_conn *fc)
INIT_LIST_HEAD(&fc->bg_queue);
INIT_LIST_HEAD(&fc->entry);
atomic_set(&fc->num_waiting, 0);
+ fc->max_background = FUSE_DEFAULT_MAX_BACKGROUND;
+ fc->congestion_threshold = FUSE_DEFAULT_CONGESTION_THRESHOLD;
fc->khctr = 0;
fc->polled_files = RB_ROOT;
fc->reqctr = 0;
@@ -736,6 +744,12 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
else {
unsigned long ra_pages;
+ if (arg->minor >= 13) {
+ if (arg->max_background)
+ fc->max_background = arg->max_background;
+ if (arg->congestion_threshold)
+ fc->congestion_threshold = arg->congestion_threshold;
+ }
if (arg->minor >= 6) {
ra_pages = arg->max_readahead / PAGE_CACHE_SIZE;
if (arg->flags & FUSE_ASYNC_READ)
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index cf593bf9fd32..b3700f0ac268 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -30,6 +30,10 @@
* - add umask flag to input argument of open, mknod and mkdir
* - add notification messages for invalidation of inodes and
* directory entries
+ *
+ * 7.13
+ * - make max number of background requests and congestion threshold
+ * tunables
*/
#ifndef _LINUX_FUSE_H
@@ -41,7 +45,7 @@
#define FUSE_KERNEL_VERSION 7
/** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 12
+#define FUSE_KERNEL_MINOR_VERSION 13
/** The node ID of the root inode */
#define FUSE_ROOT_ID 1
@@ -427,7 +431,8 @@ struct fuse_init_out {
__u32 minor;
__u32 max_readahead;
__u32 flags;
- __u32 unused;
+ __u16 max_background;
+ __u16 congestion_threshold;
__u32 max_write;
};
--
GitLab
From 37d217f029a56a6d385f99773fb27dfcb51f9a46 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Wed, 8 Jul 2009 18:17:58 +0200
Subject: [PATCH 038/742] fuse: document protocol version negotiation
Clarify how the protocol version should be negotiated between kernel
and userspace. Notably libfuse didn't correctly handle the case when
the supported major versions didn't match.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
include/linux/fuse.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index b3700f0ac268..3e2925a34bf0 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -41,6 +41,26 @@
#include <linux/types.h>
+/*
+ * Version negotiation:
+ *
+ * Both the kernel and userspace send the version they support in the
+ * INIT request and reply respectively.
+ *
+ * If the major versions match then both shall use the smallest
+ * of the two minor versions for communication.
+ *
+ * If the kernel supports a larger major version, then userspace shall
+ * reply with the major version it supports, ignore the rest of the
+ * INIT message and expect a new INIT message from the kernel with a
+ * matching major version.
+ *
+ * If the library supports a larger major version, then it shall fall
+ * back to the major protocol version sent by the kernel for
+ * communication and reply with that major version (and an arbitrary
+ * supported minor version).
+ */
+
/** Version number of this interface */
#define FUSE_KERNEL_VERSION 7
--
GitLab
From 2802e34590f290173a3f2aa5a4d662ae5373b420 Mon Sep 17 00:00:00 2001
From: Tim Abbott <tabbott@ksplice.com>
Date: Thu, 9 Jul 2009 14:45:59 +0000
Subject: [PATCH 039/742] sh: Clean up linker script using new linker script
macros.
This patch converts the sh architecture to use the new linker script
macros in include/asm-generic/vmlinux.lds.h.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/vmlinux.lds.S | 87 +++++-------------------------------
1 file changed, 11 insertions(+), 76 deletions(-)
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index f53c76acaede..674ed8feb8ae 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -50,12 +50,7 @@ SECTIONS
_etext = .; /* End of text section */
} = 0x0009
- . = ALIGN(16); /* Exception table */
- __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
- __start___ex_table = .;
- *(__ex_table)
- __stop___ex_table = .;
- }
+ EXCEPTION_TABLE(16)
NOTES
RO_DATA(PAGE_SIZE)
@@ -71,69 +66,14 @@ SECTIONS
__uncached_end = .;
}
- . = ALIGN(THREAD_SIZE);
- .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
- *(.data.init_task)
-
- . = ALIGN(L1_CACHE_BYTES);
- *(.data.cacheline_aligned)
-
- . = ALIGN(L1_CACHE_BYTES);
- *(.data.read_mostly)
-
- . = ALIGN(PAGE_SIZE);
- *(.data.page_aligned)
-
- __nosave_begin = .;
- *(.data.nosave)
- . = ALIGN(PAGE_SIZE);
- __nosave_end = .;
-
- DATA_DATA
- CONSTRUCTORS
- }
+ RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .; /* End of data section */
. = ALIGN(PAGE_SIZE); /* Init code and data */
- .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
- __init_begin = .;
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- }
-
- .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { INIT_DATA }
-
- . = ALIGN(16);
- .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
- __setup_start = .;
- *(.init.setup)
- __setup_end = .;
- }
-
- .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
- __initcall_start = .;
- INITCALLS
- __initcall_end = .;
- }
-
- .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
- __con_initcall_start = .;
- *(.con_initcall.init)
- __con_initcall_end = .;
- }
-
- SECURITY_INIT
-
-#ifdef CONFIG_BLK_DEV_INITRD
- . = ALIGN(PAGE_SIZE);
- .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
- __initramfs_start = .;
- *(.init.ramfs)
- __initramfs_end = .;
- }
-#endif
+ __init_begin = .;
+ INIT_TEXT_SECTION(PAGE_SIZE)
+ INIT_DATA_SECTION(16)
. = ALIGN(4);
.machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) {
@@ -152,16 +92,11 @@ SECTIONS
.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }
. = ALIGN(PAGE_SIZE);
- .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
- __init_end = .;
- __bss_start = .; /* BSS */
- *(.bss.page_aligned)
- *(.bss)
- *(COMMON)
- . = ALIGN(4);
- _ebss = .; /* uClinux MTD sucks */
- _end = . ;
- }
+ __init_end = .;
+ BSS(PAGE_SIZE)
+ . = ALIGN(4);
+ _ebss = .; /* uClinux MTD sucks */
+ _end = . ;
/*
* When something in the kernel is NOT compiled as a module, the
@@ -170,7 +105,7 @@ SECTIONS
* it's a module.
*/
/DISCARD/ : {
- *(.exitcall.exit)
+ EXIT_CALL
}
STABS_DEBUG
--
GitLab
From b99610fb9cdf390965c62c22322596d961591160 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sat, 11 Jul 2009 01:00:23 +0000
Subject: [PATCH 040/742] sh: Provide diagnostic kernel stack checks
Enable kernel stack checking code in both the dynamic ftrace and mcount
code paths. Check the stack to see if it's overflowing and make sure
that the stack pointer contains an address that's either in init_stack
or after the bss.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig.debug | 11 +++++
arch/sh/kernel/asm-offsets.c | 1 +
arch/sh/lib/mcount.S | 85 ++++++++++++++++++++++++++++++++++++
3 files changed, 97 insertions(+)
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 39224b57c6ef..52a132c24aab 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -123,4 +123,15 @@ config SH64_SR_WATCH
bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
depends on SUPERH64
+config STACK_DEBUG
+ bool "Enable diagnostic checks of the kernel stack"
+ depends on FUNCTION_TRACER
+ select DEBUG_STACKOVERFLOW
+ default n
+ help
+ This option allows checks to be performed on the kernel stack
+ at runtime. Saying Y here will add overhead to every function
+ call and will therefore incur a major performance hit. Most
+ users should say N.
+
endmenu
diff --git a/arch/sh/kernel/asm-offsets.c b/arch/sh/kernel/asm-offsets.c
index 99aceb28ee24..d218e808294e 100644
--- a/arch/sh/kernel/asm-offsets.c
+++ b/arch/sh/kernel/asm-offsets.c
@@ -26,6 +26,7 @@ int main(void)
DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count));
DEFINE(TI_RESTART_BLOCK,offsetof(struct thread_info, restart_block));
+ DEFINE(TI_SIZE, sizeof(struct thread_info));
#ifdef CONFIG_HIBERNATION
DEFINE(PBE_ADDRESS, offsetof(struct pbe, address));
diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S
index 71e87f9b4fda..8596483f7b41 100644
--- a/arch/sh/lib/mcount.S
+++ b/arch/sh/lib/mcount.S
@@ -9,6 +9,8 @@
* for more details.
*/
#include <asm/ftrace.h>
+#include <asm/thread_info.h>
+#include <asm/asm-offsets.h>
#define MCOUNT_ENTER() \
mov.l r4, @-r15; \
@@ -28,6 +30,55 @@
rts; \
mov.l @r15+, r4
+#ifdef CONFIG_STACK_DEBUG
+/*
+ * Perform diagnostic checks on the state of the kernel stack.
+ *
+ * Check for stack overflow. If there is less than 1KB free
+ * then it has overflowed.
+ *
+ * Make sure the stack pointer contains a valid address. Valid
+ * addresses for kernel stacks are anywhere after the bss
+ * (after _ebss) and anywhere in init_thread_union (init_stack).
+ */
+#define STACK_CHECK() \
+ mov #(THREAD_SIZE >> 10), r0; \
+ shll8 r0; \
+ shll2 r0; \
+ \
+ /* r1 = sp & (THREAD_SIZE - 1) */ \
+ mov #-1, r1; \
+ add r0, r1; \
+ and r15, r1; \
+ \
+ mov #TI_SIZE, r3; \
+ mov #(STACK_WARN >> 8), r2; \
+ shll8 r2; \
+ add r3, r2; \
+ \
+ /* Is the stack overflowing? */ \
+ cmp/hi r2, r1; \
+ bf stack_panic; \
+ \
+ /* If sp > _ebss then we're OK. */ \
+ mov.l .L_ebss, r1; \
+ cmp/hi r1, r15; \
+ bt 1f; \
+ \
+ /* If sp < init_stack, we're not OK. */ \
+ mov.l .L_init_thread_union, r1; \
+ cmp/hs r1, r15; \
+ bf stack_panic; \
+ \
+ /* If sp > init_stack && sp < _ebss, not OK. */ \
+ add r0, r1; \
+ cmp/hs r1, r15; \
+ bt stack_panic; \
+1:
+#else
+#define STACK_CHECK()
+#endif /* CONFIG_STACK_DEBUG */
+
.align 2
.globl _mcount
.type _mcount,@function
@@ -41,6 +92,8 @@ mcount:
tst r0, r0
bf ftrace_stub
#endif
+ STACK_CHECK()
+
MCOUNT_ENTER()
#ifdef CONFIG_DYNAMIC_FTRACE
@@ -73,6 +126,8 @@ ftrace_caller:
tst r0, r0
bf ftrace_stub
+ STACK_CHECK()
+
MCOUNT_ENTER()
.globl ftrace_call
@@ -100,6 +155,36 @@ ftrace_stub:
rts
nop
+#ifdef CONFIG_STACK_DEBUG
+ .globl stack_panic
+stack_panic:
+ mov.l .Ldump_stack, r0
+ jsr @r0
+ nop
+
+ mov.l .Lpanic, r0
+ jsr @r0
+ mov.l .Lpanic_s, r4
+
+ rts
+ nop
+
.align 2
.Lfunction_trace_stop:
.long function_trace_stop
+.L_ebss:
+ .long _ebss
+.L_init_thread_union:
+ .long init_thread_union
+.Lpanic:
+ .long panic
+.Lpanic_s:
+ .long .Lpanic_str
+.Ldump_stack:
+ .long dump_stack
+
+ .section .rodata
+ .align 2
+.Lpanic_str:
+ .string "Stack error"
+#endif /* CONFIG_STACK_DEBUG */
--
GitLab
From 327933f5d6cdf083284d3c06e0370d1de464aef4 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sat, 11 Jul 2009 00:29:03 +0000
Subject: [PATCH 041/742] sh: Function graph tracer support
Add both dynamic and static function graph tracer support for sh.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 1 +
arch/sh/include/asm/ftrace.h | 3 +
arch/sh/kernel/Makefile_32 | 1 +
arch/sh/kernel/ftrace.c | 122 ++++++++++++++++++++++++++++++++
arch/sh/kernel/vmlinux_64.lds.S | 0
arch/sh/lib/Makefile | 1 +
arch/sh/lib/mcount.S | 117 +++++++++++++++++++++++++++++-
7 files changed, 244 insertions(+), 1 deletion(-)
create mode 100644 arch/sh/kernel/vmlinux_64.lds.S
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 29e41ec6537d..6d110a4f7f65 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -33,6 +33,7 @@ config SUPERH32
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
select HAVE_FTRACE_SYSCALLS
+ select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_ARCH_KGDB
select ARCH_HIBERNATION_POSSIBLE if MMU
diff --git a/arch/sh/include/asm/ftrace.h b/arch/sh/include/asm/ftrace.h
index b09311ad1db3..7e0bcc4d4a96 100644
--- a/arch/sh/include/asm/ftrace.h
+++ b/arch/sh/include/asm/ftrace.h
@@ -13,8 +13,11 @@ extern void mcount(void);
#ifdef CONFIG_DYNAMIC_FTRACE
#define CALL_ADDR ((long)(ftrace_call))
#define STUB_ADDR ((long)(ftrace_stub))
+#define GRAPH_ADDR ((long)(ftrace_graph_call))
+#define CALLER_ADDR ((long)(ftrace_caller))
#define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALL_ADDR) - 4)
+#define GRAPH_INSN_OFFSET ((CALLER_ADDR - GRAPH_ADDR) - 4)
struct dyn_arch_ftrace {
/* No extra data needed on sh */
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index fee924a9c46c..94ed99b68002 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -30,6 +30,7 @@ obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_GENERIC_GPIO) += gpio.o
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
+obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
obj-$(CONFIG_DUMP_CODE) += disassemble.o
obj-$(CONFIG_HIBERNATION) += swsusp.o
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
index 4f62eced0aec..6647dfcb781d 100644
--- a/arch/sh/kernel/ftrace.c
+++ b/arch/sh/kernel/ftrace.c
@@ -16,11 +16,13 @@
#include <linux/string.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/kernel.h>
#include <asm/ftrace.h>
#include <asm/cacheflush.h>
#include <asm/unistd.h>
#include <trace/syscall.h>
+#ifdef CONFIG_DYNAMIC_FTRACE
static unsigned char ftrace_replaced_code[MCOUNT_INSN_SIZE];
static unsigned char ftrace_nop[4];
@@ -133,6 +135,126 @@ int __init ftrace_dyn_arch_init(void *data)
return 0;
}
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+#ifdef CONFIG_DYNAMIC_FTRACE
+extern void ftrace_graph_call(void);
+
+static int ftrace_mod(unsigned long ip, unsigned long old_addr,
+ unsigned long new_addr)
+{
+ unsigned char code[MCOUNT_INSN_SIZE];
+
+ if (probe_kernel_read(code, (void *)ip, MCOUNT_INSN_SIZE))
+ return -EFAULT;
+
+ if (old_addr != __raw_readl((unsigned long *)code))
+ return -EINVAL;
+
+ __raw_writel(new_addr, ip);
+ return 0;
+}
+
+int ftrace_enable_ftrace_graph_caller(void)
+{
+ unsigned long ip, old_addr, new_addr;
+
+ ip = (unsigned long)(&ftrace_graph_call) + GRAPH_INSN_OFFSET;
+ old_addr = (unsigned long)(&skip_trace);
+ new_addr = (unsigned long)(&ftrace_graph_caller);
+
+ return ftrace_mod(ip, old_addr, new_addr);
+}
+
+int ftrace_disable_ftrace_graph_caller(void)
+{
+ unsigned long ip, old_addr, new_addr;
+
+ ip = (unsigned long)(&ftrace_graph_call) + GRAPH_INSN_OFFSET;
+ old_addr = (unsigned long)(&ftrace_graph_caller);
+ new_addr = (unsigned long)(&skip_trace);
+
+ return ftrace_mod(ip, old_addr, new_addr);
+}
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+/*
+ * Hook the return address and push it in the stack of return addrs
+ * in the current thread info.
+ *
+ * This is the main routine for the function graph tracer. The function
+ * graph tracer essentially works like this:
+ *
+ * parent is the stack address containing self_addr's return address.
+ * We pull the real return address out of parent and store it in
+ * current's ret_stack. Then, we replace the return address on the stack
+ * with the address of return_to_handler. self_addr is the function that
+ * called mcount.
+ *
+ * When self_addr returns, it will jump to return_to_handler which calls
+ * ftrace_return_to_handler. ftrace_return_to_handler will pull the real
+ * return address off of current's ret_stack and jump to it.
+ */
+void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
+{
+ unsigned long old;
+ int faulted, err;
+ struct ftrace_graph_ent trace;
+ unsigned long return_hooker = (unsigned long)&return_to_handler;
+
+ if (unlikely(atomic_read(¤t->tracing_graph_pause)))
+ return;
+
+ /*
+ * Protect against fault, even if it shouldn't
+ * happen. This tool is too much intrusive to
+ * ignore such a protection.
+ */
+ __asm__ __volatile__(
+ "1: \n\t"
+ "mov.l @%2, %0 \n\t"
+ "2: \n\t"
+ "mov.l %3, @%2 \n\t"
+ "mov #0, %1 \n\t"
+ "3: \n\t"
+ ".section .fixup, \"ax\" \n\t"
+ "4: \n\t"
+ "mov.l 5f, %0 \n\t"
+ "jmp @%0 \n\t"
+ " mov #1, %1 \n\t"
+ ".balign 4 \n\t"
+ "5: .long 3b \n\t"
+ ".previous \n\t"
+ ".section __ex_table,\"a\" \n\t"
+ ".long 1b, 4b \n\t"
+ ".long 2b, 4b \n\t"
+ ".previous \n\t"
+ : "=&r" (old), "=r" (faulted)
+ : "r" (parent), "r" (return_hooker)
+ );
+
+ if (unlikely(faulted)) {
+ ftrace_graph_stop();
+ WARN_ON(1);
+ return;
+ }
+
+ err = ftrace_push_return_trace(old, self_addr, &trace.depth, 0);
+ if (err == -EBUSY) {
+ __raw_writel(old, parent);
+ return;
+ }
+
+ trace.func = self_addr;
+
+ /* Only trace if the calling function expects to */
+ if (!ftrace_graph_entry(&trace)) {
+ current->curr_ret_stack--;
+ __raw_writel(old, parent);
+ }
+}
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
#ifdef CONFIG_FTRACE_SYSCALLS
diff --git a/arch/sh/kernel/vmlinux_64.lds.S b/arch/sh/kernel/vmlinux_64.lds.S
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index aaea580b65bb..19328d90a2d1 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -25,6 +25,7 @@ memcpy-$(CONFIG_CPU_SH4) := memcpy-sh4.o
lib-$(CONFIG_MMU) += copy_page.o clear_page.o
lib-$(CONFIG_FUNCTION_TRACER) += mcount.o
+lib-$(CONFIG_FUNCTION_GRAPH_TRACER) += mcount.o
lib-y += $(memcpy-y) $(udivsi3-y)
EXTRA_CFLAGS += -Werror
diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S
index 8596483f7b41..bd3ec648becc 100644
--- a/arch/sh/lib/mcount.S
+++ b/arch/sh/lib/mcount.S
@@ -111,14 +111,62 @@ mcount_call:
jsr @r6
nop
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ mov.l .Lftrace_graph_return, r6
+ mov.l .Lftrace_stub, r7
+ cmp/eq r6, r7
+ bt 1f
+
+ mov.l .Lftrace_graph_caller, r0
+ jmp @r0
+ nop
+
+1:
+ mov.l .Lftrace_graph_entry, r6
+ mov.l .Lftrace_graph_entry_stub, r7
+ cmp/eq r6, r7
+ bt skip_trace
+
+ mov.l .Lftrace_graph_caller, r0
+ jmp @r0
+ nop
+
+ .align 2
+.Lftrace_graph_return:
+ .long ftrace_graph_return
+.Lftrace_graph_entry:
+ .long ftrace_graph_entry
+.Lftrace_graph_entry_stub:
+ .long ftrace_graph_entry_stub
+.Lftrace_graph_caller:
+ .long ftrace_graph_caller
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+
+ .globl skip_trace
skip_trace:
MCOUNT_LEAVE()
.align 2
.Lftrace_trace_function:
- .long ftrace_trace_function
+ .long ftrace_trace_function
#ifdef CONFIG_DYNAMIC_FTRACE
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+/*
+ * NOTE: Do not move either ftrace_graph_call or ftrace_caller
+ * as this will affect the calculation of GRAPH_INSN_OFFSET.
+ */
+ .globl ftrace_graph_call
+ftrace_graph_call:
+ mov.l .Lskip_trace, r0
+ jmp @r0
+ nop
+
+ .align 2
+.Lskip_trace:
+ .long skip_trace
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+
.globl ftrace_caller
ftrace_caller:
mov.l .Lfunction_trace_stop, r0
@@ -136,7 +184,12 @@ ftrace_call:
jsr @r6
nop
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ bra ftrace_graph_call
+ nop
+#else
MCOUNT_LEAVE()
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
#endif /* CONFIG_DYNAMIC_FTRACE */
/*
@@ -188,3 +241,65 @@ stack_panic:
.Lpanic_str:
.string "Stack error"
#endif /* CONFIG_STACK_DEBUG */
+
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ .globl ftrace_graph_caller
+ftrace_graph_caller:
+ mov.l 2f, r0
+ mov.l @r0, r0
+ tst r0, r0
+ bt 1f
+
+ mov.l 3f, r1
+ jmp @r1
+ nop
+1:
+ /*
+ * MCOUNT_ENTER() pushed 5 registers onto the stack, so
+ * the stack address containing our return address is
+ * r15 + 20.
+ */
+ mov #20, r0
+ add r15, r0
+ mov r0, r4
+
+ mov.l .Lprepare_ftrace_return, r0
+ jsr @r0
+ nop
+
+ MCOUNT_LEAVE()
+
+ .align 2
+2: .long function_trace_stop
+3: .long skip_trace
+.Lprepare_ftrace_return:
+ .long prepare_ftrace_return
+
+ .globl return_to_handler
+return_to_handler:
+ /*
+ * Save the return values.
+ */
+ mov.l r0, @-r15
+ mov.l r1, @-r15
+
+ mov #0, r4
+
+ mov.l .Lftrace_return_to_handler, r0
+ jsr @r0
+ nop
+
+ /*
+ * The return value from ftrace_return_handler has the real
+ * address that we should return to.
+ */
+ lds r0, pr
+ mov.l @r15+, r1
+ rts
+ mov.l @r15+, r0
+
+
+ .align 2
+.Lftrace_return_to_handler:
+ .long ftrace_return_to_handler
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
--
GitLab
From 7816fecd03e480ed0b47d674ed772ca0b45e1b5e Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sat, 11 Jul 2009 00:29:04 +0000
Subject: [PATCH 042/742] sh: Mark __switch_to() as __notrace_funcgraph
Annotate __switch_to() so that the function graph tracer does not try to
trace it. Use __notrace_funcgraph, as opposed to notrace, so that other
tracers can continue to trace __switch_to().
The reason that we don't want to trace __switch_to() with the function
graph tracer is because of how the return address stack in task_struct
is implemented. When we enter __switch_to we store the real return
address on prev's ret_stack. When we return from __switch_to() we've
patched the return address on the kernel stack to be
return_to_handler. Calling return_to_handler we do,
-> ftrace_return_to_handler()
-> ftrace_pop_return_ftrace()
Which tries to pop the real return address from current->ret_stack. The
problem being that we stored the return address on prev->ret_stack, but
current now points to next, and next->ret_stack doesn't contain the
correct return address (and is possibly even empty).
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/process_32.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 92d7740faab1..9fee977f176b 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -23,6 +23,7 @@
#include <linux/tick.h>
#include <linux/reboot.h>
#include <linux/fs.h>
+#include <linux/ftrace.h>
#include <linux/preempt.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
@@ -264,8 +265,8 @@ static void ubc_set_tracing(int asid, unsigned long pc)
* switch_to(x,y) should switch tasks from x to y.
*
*/
-struct task_struct *__switch_to(struct task_struct *prev,
- struct task_struct *next)
+__notrace_funcgraph struct task_struct *
+__switch_to(struct task_struct *prev, struct task_struct *next)
{
#if defined(CONFIG_SH_FPU)
unlazy_fpu(prev, task_pt_regs(prev));
--
GitLab
From 473d1cf4ee623b043790838bcf77e77958840bf2 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 11 Jul 2009 19:56:58 +0900
Subject: [PATCH 043/742] sh: Decouple mcount from ftrace.
This adds a general CONFIG_MCOUNT in order to permit mcount generation
without ftrace support. This is primarily for allowing platforms to
enable aggressive stack overflow checking without having to enable ftrace
support. Based on the sparc64 implementation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig.debug | 5 +++++
arch/sh/Makefile | 4 ++++
arch/sh/boot/compressed/Makefile | 2 +-
arch/sh/kernel/sh_ksyms_32.c | 2 +-
arch/sh/lib/Makefile | 3 +--
5 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 52a132c24aab..75b5f4e06670 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -134,4 +134,9 @@ config STACK_DEBUG
call and will therefore incur a major performance hit. Most
users should say N.
+config MCOUNT
+ def_bool y
+ depends on SUPERH32
+ depends on STACK_DEBUG || FUNCTION_TRACER
+
endmenu
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 75d049b03f7e..52c34bf56962 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -186,6 +186,10 @@ KBUILD_CFLAGS += -pipe $(cflags-y)
KBUILD_CPPFLAGS += $(cflags-y)
KBUILD_AFLAGS += $(cflags-y)
+ifeq ($(CONFIG_MCOUNT),y)
+ KBUILD_CFLAGS += -pg
+endif
+
libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 9531bf1b7c2f..3af239cb9b0d 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -23,7 +23,7 @@ IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
-ifeq ($(CONFIG_FUNCTION_TRACER),y)
+ifeq ($(CONFIG_MCOUNT),y)
ORIG_CFLAGS := $(KBUILD_CFLAGS)
KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif
diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index fcc5de31f83b..5b81116046c1 100644
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -106,7 +106,7 @@ EXPORT_SYMBOL(flush_dcache_page);
EXPORT_SYMBOL(clear_user_page);
#endif
-#ifdef CONFIG_FUNCTION_TRACER
+#ifdef CONFIG_MCOUNT
EXPORT_SYMBOL(mcount);
#endif
EXPORT_SYMBOL(csum_partial);
diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index 19328d90a2d1..c2b28d8b2dd1 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -24,8 +24,7 @@ memcpy-y := memcpy.o
memcpy-$(CONFIG_CPU_SH4) := memcpy-sh4.o
lib-$(CONFIG_MMU) += copy_page.o clear_page.o
-lib-$(CONFIG_FUNCTION_TRACER) += mcount.o
-lib-$(CONFIG_FUNCTION_GRAPH_TRACER) += mcount.o
+lib-$(CONFIG_MCOUNT) += mcount.o
lib-y += $(memcpy-y) $(udivsi3-y)
EXTRA_CFLAGS += -Werror
--
GitLab
From 9f14b84afda297d301b81a5bcbd65e83d7b02034 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 11 Jul 2009 20:05:34 +0900
Subject: [PATCH 044/742] sh: Replace DEBUG_STACKOVERFLOW with STACK_DEBUG.
STACK_DEBUG ties in to mcount in order to do function-granular stack
overflow checks as opposed to lazily checking from IRQ context. As the
default is nohz, the frequency of overflow checking is too irregular to
catch much useful information, and so the mcount approach employed by
sparc64 is adopted instead.
This kills off the old check entirely from the do_IRQ() path and now
adopts CONFIG_MCOUNT instead.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig.debug | 17 ++++-------------
arch/sh/kernel/irq.c | 17 -----------------
2 files changed, 4 insertions(+), 30 deletions(-)
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 75b5f4e06670..b440fd936714 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -61,12 +61,14 @@ config EARLY_PRINTK
select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using
the kernel command line option to toggle back and forth.
-config DEBUG_STACKOVERFLOW
+config STACK_DEBUG
bool "Check for stack overflows"
depends on DEBUG_KERNEL && SUPERH32
help
This option will cause messages to be printed if free stack space
- drops below a certain limit.
+ drops below a certain limit. Saying Y here will add overhead to
+ every function call and will therefore incur a major
+ performance hit. Most users should say N.
config DEBUG_STACK_USAGE
bool "Stack utilization instrumentation"
@@ -123,17 +125,6 @@ config SH64_SR_WATCH
bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
depends on SUPERH64
-config STACK_DEBUG
- bool "Enable diagnostic checks of the kernel stack"
- depends on FUNCTION_TRACER
- select DEBUG_STACKOVERFLOW
- default n
- help
- This option allows checks to be performed on the kernel stack
- at runtime. Saying Y here will add overhead to every function
- call and will therefore incur a major performance hit. Most
- users should say N.
-
config MCOUNT
def_bool y
depends on SUPERH32
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 3d09062f4682..278c68c60488 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -114,23 +114,6 @@ asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs)
#endif
irq_enter();
-
-#ifdef CONFIG_DEBUG_STACKOVERFLOW
- /* Debugging check for stack overflow: is there less than 1KB free? */
- {
- long sp;
-
- __asm__ __volatile__ ("and r15, %0" :
- "=r" (sp) : "0" (THREAD_SIZE - 1));
-
- if (unlikely(sp < (sizeof(struct thread_info) + STACK_WARN))) {
- printk("do_IRQ: stack overflow: %ld\n",
- sp - sizeof(struct thread_info));
- dump_stack();
- }
- }
-#endif
-
irq = irq_demux(intc_evt2irq(irq));
#ifdef CONFIG_IRQSTACKS
--
GitLab
From fe27932052aebf77ac5f3e73962825d2aeb457a0 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 11 Jul 2009 20:32:14 +0900
Subject: [PATCH 045/742] sh: Use DECLARE_EXPORT() for mcount symbol export.
The function prototype for mcount is not defined if we are not building
with ftrace support enabled, so use DECLARE_EXPORT() to stub one in.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/sh_ksyms_32.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index 5b81116046c1..cec610888e28 100644
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -107,7 +107,7 @@ EXPORT_SYMBOL(clear_user_page);
#endif
#ifdef CONFIG_MCOUNT
-EXPORT_SYMBOL(mcount);
+DECLARE_EXPORT(mcount);
#endif
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_generic);
--
GitLab
From a470b95e99ea77ef1e307ff181e59a4a16caa4f4 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 11 Jul 2009 20:33:34 +0900
Subject: [PATCH 046/742] sh: Fix up ftrace build error when STACK_DEBUG=n.
Presently the closest reference to function_trace_stop is within a
CONFIG_STACK_DEBUG block. When this is turned off, the build bails out
with a pcrel too far error. Reorder things a bit to handle the various
combinations.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/lib/mcount.S | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S
index bd3ec648becc..9e397aafc165 100644
--- a/arch/sh/lib/mcount.S
+++ b/arch/sh/lib/mcount.S
@@ -192,6 +192,10 @@ ftrace_call:
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
#endif /* CONFIG_DYNAMIC_FTRACE */
+ .align 2
+.Lfunction_trace_stop:
+ .long function_trace_stop
+
/*
* NOTE: From here on the locations of the .Lftrace_stub label and
* ftrace_stub itself are fixed. Adding additional data here will skew
@@ -199,7 +203,6 @@ ftrace_call:
* Place new labels either after the ftrace_stub body, or before
* ftrace_caller. You have been warned.
*/
- .align 2
.Lftrace_stub:
.long ftrace_stub
@@ -223,8 +226,6 @@ stack_panic:
nop
.align 2
-.Lfunction_trace_stop:
- .long function_trace_stop
.L_ebss:
.long _ebss
.L_init_thread_union:
--
GitLab
From e460ab27b6c3ea313762169713086529d5bfb8bc Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 11 Jul 2009 21:06:53 +0900
Subject: [PATCH 047/742] sh: Fix up stack overflow check with ftrace disabled.
Presently the STACK_CHECK() code is called in to multiple times, although
it's only necessary from the mcount entry. The code still attempts to
treat the nop case as an ftrace path resulting in superfluous code flow
for the case where ftrace is disabled. And finally, this also fixes up
references to a few undefined symbols when FUNCTION_TRACER=n.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/lib/mcount.S | 76 +++++++++++++++++++++++---------------------
1 file changed, 40 insertions(+), 36 deletions(-)
diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S
index 9e397aafc165..84a57761f17e 100644
--- a/arch/sh/lib/mcount.S
+++ b/arch/sh/lib/mcount.S
@@ -1,7 +1,7 @@
/*
* arch/sh/lib/mcount.S
*
- * Copyright (C) 2008 Paul Mundt
+ * Copyright (C) 2008, 2009 Paul Mundt
* Copyright (C) 2008, 2009 Matt Fleming
*
* This file is subject to the terms and conditions of the GNU General Public
@@ -86,13 +86,18 @@
.type mcount,@function
_mcount:
mcount:
+ STACK_CHECK()
+
+#ifndef CONFIG_FUNCTION_TRACER
+ rts
+ nop
+#else
#ifndef CONFIG_DYNAMIC_FTRACE
mov.l .Lfunction_trace_stop, r0
mov.l @r0, r0
tst r0, r0
bf ftrace_stub
#endif
- STACK_CHECK()
MCOUNT_ENTER()
@@ -174,8 +179,6 @@ ftrace_caller:
tst r0, r0
bf ftrace_stub
- STACK_CHECK()
-
MCOUNT_ENTER()
.globl ftrace_call
@@ -211,38 +214,6 @@ ftrace_stub:
rts
nop
-#ifdef CONFIG_STACK_DEBUG
- .globl stack_panic
-stack_panic:
- mov.l .Ldump_stack, r0
- jsr @r0
- nop
-
- mov.l .Lpanic, r0
- jsr @r0
- mov.l .Lpanic_s, r4
-
- rts
- nop
-
- .align 2
-.L_ebss:
- .long _ebss
-.L_init_thread_union:
- .long init_thread_union
-.Lpanic:
- .long panic
-.Lpanic_s:
- .long .Lpanic_str
-.Ldump_stack:
- .long dump_stack
-
- .section .rodata
- .align 2
-.Lpanic_str:
- .string "Stack error"
-#endif /* CONFIG_STACK_DEBUG */
-
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
.globl ftrace_graph_caller
ftrace_graph_caller:
@@ -304,3 +275,36 @@ return_to_handler:
.Lftrace_return_to_handler:
.long ftrace_return_to_handler
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+#endif /* CONFIG_FUNCTION_TRACER */
+
+#ifdef CONFIG_STACK_DEBUG
+ .globl stack_panic
+stack_panic:
+ mov.l .Ldump_stack, r0
+ jsr @r0
+ nop
+
+ mov.l .Lpanic, r0
+ jsr @r0
+ mov.l .Lpanic_s, r4
+
+ rts
+ nop
+
+ .align 2
+.L_ebss:
+ .long _ebss
+.L_init_thread_union:
+ .long init_thread_union
+.Lpanic:
+ .long panic
+.Lpanic_s:
+ .long .Lpanic_str
+.Ldump_stack:
+ .long dump_stack
+
+ .section .rodata
+ .align 2
+.Lpanic_str:
+ .string "Stack error"
+#endif /* CONFIG_STACK_DEBUG */
--
GitLab
From df8ce2595fbac8b046322fce9df61ce1cf8ddf62 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 12 Jul 2009 01:37:30 +0900
Subject: [PATCH 048/742] sh: Tidy up gzip-based zImage decompression.
This brings the zImage handling in to the current century, in preparation
for handling the other compression types.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 1 +
arch/sh/boot/compressed/misc_32.c | 106 +++----------------------
arch/sh/boot/compressed/misc_64.c | 127 ++----------------------------
3 files changed, 19 insertions(+), 215 deletions(-)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 120bd31a46ea..9f531ca3c8ea 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -17,6 +17,7 @@ config SUPERH
select HAVE_ARCH_TRACEHOOK
select HAVE_DMA_API_DEBUG
select HAVE_PERF_COUNTERS
+ select HAVE_KERNEL_GZIP
select RTC_LIB
select GENERIC_ATOMIC64
help
diff --git a/arch/sh/boot/compressed/misc_32.c b/arch/sh/boot/compressed/misc_32.c
index efdba6b29572..1ab4f49153be 100644
--- a/arch/sh/boot/compressed/misc_32.c
+++ b/arch/sh/boot/compressed/misc_32.c
@@ -14,73 +14,23 @@
#include <asm/uaccess.h>
#include <asm/addrspace.h>
#include <asm/page.h>
-#ifdef CONFIG_SH_STANDARD_BIOS
#include <asm/sh_bios.h>
-#endif
/*
* gzip declarations
*/
-#define OF(args) args
#define STATIC static
#undef memset
#undef memcpy
#define memzero(s, n) memset ((s), 0, (n))
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-#define WSIZE 0x8000 /* Window size must be at least 32k, */
- /* and a power of two */
-
-static uch *inbuf; /* input buffer */
-static uch window[WSIZE]; /* Sliding window buffer */
-
-static unsigned insize = 0; /* valid bytes in inbuf */
-static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
-static unsigned outcnt = 0; /* bytes in output buffer */
-
-/* gzip flag byte */
-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
-#define COMMENT 0x10 /* bit 4 set: file comment present */
-#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
-#define RESERVED 0xC0 /* bit 6,7: reserved */
-
-#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
-
-/* Diagnostic functions */
-#ifdef DEBUG
-# define Assert(cond,msg) {if(!(cond)) error(msg);}
-# define Trace(x) fprintf x
-# define Tracev(x) {if (verbose) fprintf x ;}
-# define Tracevv(x) {if (verbose>1) fprintf x ;}
-# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
-# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
-#else
-# define Assert(cond,msg)
-# define Trace(x)
-# define Tracev(x)
-# define Tracevv(x)
-# define Tracec(c,x)
-# define Tracecv(c,x)
-#endif
-
-static int fill_inbuf(void);
-static void flush_window(void);
static void error(char *m);
extern char input_data[];
extern int input_len;
-
-static long bytes_out = 0;
-static uch *output_data;
-static unsigned long output_ptr = 0;
+static unsigned char *output;
static void error(char *m);
@@ -93,7 +43,9 @@ static unsigned long free_mem_end_ptr;
#define HEAP_SIZE 0x10000
-#include "../../../../lib/inflate.c"
+#ifdef CONFIG_KERNEL_GZIP
+#include "../../../../lib/decompress_inflate.c"
+#endif
#ifdef CONFIG_SH_STANDARD_BIOS
size_t strlen(const char *s)
@@ -138,44 +90,6 @@ void* memcpy(void* __dest, __const void* __src,
return __dest;
}
-/* ===========================================================================
- * Fill the input buffer. This is called only when the buffer is empty
- * and at least one byte is really needed.
- */
-static int fill_inbuf(void)
-{
- if (insize != 0) {
- error("ran out of input data");
- }
-
- inbuf = input_data;
- insize = input_len;
- inptr = 1;
- return inbuf[0];
-}
-
-/* ===========================================================================
- * Write the output window window[0..outcnt-1] and update crc and bytes_out.
- * (Used for the decompressed data only.)
- */
-static void flush_window(void)
-{
- ulg c = crc; /* temporary variable */
- unsigned n;
- uch *in, *out, ch;
-
- in = window;
- out = &output_data[output_ptr];
- for (n = 0; n < outcnt; n++) {
- ch = *out++ = *in++;
- c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
- }
- crc = c;
- bytes_out += (ulg)outcnt;
- output_ptr += (ulg)outcnt;
- outcnt = 0;
-}
-
static void error(char *x)
{
puts("\n\n");
@@ -191,16 +105,18 @@ long* stack_start = &user_stack[STACK_SIZE];
void decompress_kernel(void)
{
- output_data = NULL;
- output_ptr = PHYSADDR((unsigned long)&_text+PAGE_SIZE);
+ unsigned long output_addr;
+
+ output_addr = PHYSADDR((unsigned long)&_text+PAGE_SIZE);
#ifdef CONFIG_29BIT
- output_ptr |= P2SEG;
+ output_addr |= P2SEG;
#endif
+
+ output = (unsigned char *)output_addr;
free_mem_ptr = (unsigned long)&_end;
free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
- makecrc();
puts("Uncompressing Linux... ");
- gunzip();
+ decompress(input_data, input_len, NULL, NULL, output, NULL, error);
puts("Ok, booting the kernel.\n");
}
diff --git a/arch/sh/boot/compressed/misc_64.c b/arch/sh/boot/compressed/misc_64.c
index 2941657e18aa..0c6894e37115 100644
--- a/arch/sh/boot/compressed/misc_64.c
+++ b/arch/sh/boot/compressed/misc_64.c
@@ -20,67 +20,18 @@ int cache_control(unsigned int command);
* gzip declarations
*/
-#define OF(args) args
#define STATIC static
#undef memset
#undef memcpy
#define memzero(s, n) memset ((s), 0, (n))
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-#define WSIZE 0x8000 /* Window size must be at least 32k, */
- /* and a power of two */
-
-static uch *inbuf; /* input buffer */
-static uch window[WSIZE]; /* Sliding window buffer */
-
-static unsigned insize = 0; /* valid bytes in inbuf */
-static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
-static unsigned outcnt = 0; /* bytes in output buffer */
-
-/* gzip flag byte */
-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
-#define COMMENT 0x10 /* bit 4 set: file comment present */
-#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
-#define RESERVED 0xC0 /* bit 6,7: reserved */
-
-#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
-
-/* Diagnostic functions */
-#ifdef DEBUG
-# define Assert(cond,msg) {if(!(cond)) error(msg);}
-# define Trace(x) fprintf x
-# define Tracev(x) {if (verbose) fprintf x ;}
-# define Tracevv(x) {if (verbose>1) fprintf x ;}
-# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
-# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
-#else
-# define Assert(cond,msg)
-# define Trace(x)
-# define Tracev(x)
-# define Tracevv(x)
-# define Tracec(c,x)
-# define Tracecv(c,x)
-#endif
-
-static int fill_inbuf(void);
-static void flush_window(void);
static void error(char *m);
extern char input_data[];
extern int input_len;
-static long bytes_out = 0;
-static uch *output_data;
-static unsigned long output_ptr = 0;
-
-static void error(char *m);
+static unsigned char *output_data;
static void puts(const char *);
@@ -91,7 +42,9 @@ static unsigned long free_mem_end_ptr;
#define HEAP_SIZE 0x10000
-#include "../../../../lib/inflate.c"
+#ifdef CONFIG_KERNEL_GZIP
+#include "../../../../lib/decompress_inflate.c"
+#endif
void puts(const char *s)
{
@@ -117,45 +70,6 @@ void *memcpy(void *__dest, __const void *__src, size_t __n)
return __dest;
}
-/* ===========================================================================
- * Fill the input buffer. This is called only when the buffer is empty
- * and at least one byte is really needed.
- */
-static int fill_inbuf(void)
-{
- if (insize != 0) {
- error("ran out of input data\n");
- }
-
- inbuf = input_data;
- insize = input_len;
- inptr = 1;
- return inbuf[0];
-}
-
-/* ===========================================================================
- * Write the output window window[0..outcnt-1] and update crc and bytes_out.
- * (Used for the decompressed data only.)
- */
-static void flush_window(void)
-{
- ulg c = crc; /* temporary variable */
- unsigned n;
- uch *in, *out, ch;
-
- in = window;
- out = &output_data[output_ptr];
- for (n = 0; n < outcnt; n++) {
- ch = *out++ = *in++;
- c = crc_32_tab[((int) c ^ ch) & 0xff] ^ (c >> 8);
- }
- crc = c;
- bytes_out += (ulg) outcnt;
- output_ptr += (ulg) outcnt;
- outcnt = 0;
- puts(".");
-}
-
static void error(char *x)
{
puts("\n\n");
@@ -171,40 +85,13 @@ long *stack_start = &user_stack[STACK_SIZE];
void decompress_kernel(void)
{
- output_data = (uch *) (CONFIG_MEMORY_START + 0x2000);
+ output_data = (unsigned char *) (CONFIG_MEMORY_START + 0x2000);
free_mem_ptr = (unsigned long) &_end;
free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
- makecrc();
puts("Uncompressing Linux... ");
cache_control(CACHE_ENABLE);
- gunzip();
- puts("\n");
-
-#if 0
- /* When booting from ROM may want to do something like this if the
- * boot loader doesn't.
- */
-
- /* Set up the parameters and command line */
- {
- volatile unsigned int *parambase =
- (int *) (CONFIG_MEMORY_START + 0x1000);
-
- parambase[0] = 0x1; /* MOUNT_ROOT_RDONLY */
- parambase[1] = 0x0; /* RAMDISK_FLAGS */
- parambase[2] = 0x0200; /* ORIG_ROOT_DEV */
- parambase[3] = 0x0; /* LOADER_TYPE */
- parambase[4] = 0x0; /* INITRD_START */
- parambase[5] = 0x0; /* INITRD_SIZE */
- parambase[6] = 0;
-
- strcpy((char *) ((int) parambase + 0x100),
- "console=ttySC0,38400");
- }
-#endif
-
- puts("Ok, booting the kernel.\n");
-
+ decompress(input_data, input_len, NULL, NULL, output_data, NULL, error);
cache_control(CACHE_DISABLE);
+ puts("Ok, booting the kernel.\n");
}
--
GitLab
From 07e88e1bfc128681a80578724fde6a872f413862 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 11 Jul 2009 13:21:19 -0400
Subject: [PATCH 049/742] sh: bzip2/lzma zImage support.
This plugs in bzip2 and lzma support for zImages.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 2 ++
arch/sh/boot/compressed/.gitignore | 1 +
arch/sh/boot/compressed/Makefile | 19 ++++++++++++++++---
arch/sh/boot/compressed/misc_32.c | 14 +++++++++++++-
arch/sh/boot/compressed/misc_64.c | 14 +++++++++++++-
arch/sh/boot/compressed/piggy.S | 8 --------
arch/sh/boot/compressed/vmlinux.scr | 10 ++++++++++
7 files changed, 55 insertions(+), 13 deletions(-)
create mode 100644 arch/sh/boot/compressed/.gitignore
delete mode 100644 arch/sh/boot/compressed/piggy.S
create mode 100644 arch/sh/boot/compressed/vmlinux.scr
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 9f531ca3c8ea..c4a955d25451 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -18,6 +18,8 @@ config SUPERH
select HAVE_DMA_API_DEBUG
select HAVE_PERF_COUNTERS
select HAVE_KERNEL_GZIP
+ select HAVE_KERNEL_BZIP2
+ select HAVE_KERNEL_LZMA
select RTC_LIB
select GENERIC_ATOMIC64
help
diff --git a/arch/sh/boot/compressed/.gitignore b/arch/sh/boot/compressed/.gitignore
new file mode 100644
index 000000000000..2374a83d87b2
--- /dev/null
+++ b/arch/sh/boot/compressed/.gitignore
@@ -0,0 +1 @@
+vmlinux.bin.*
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 9531bf1b7c2f..0a4e7af8a71b 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -5,6 +5,7 @@
#
targets := vmlinux vmlinux.bin vmlinux.bin.gz \
+ vmlinux.bin.bz2 vmlinux.bin.lzma \
head_$(BITS).o misc_$(BITS).o piggy.o
OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc_$(BITS).o $(obj)/cache.o
@@ -38,10 +39,22 @@ $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
-$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
+vmlinux.bin.all-y := $(obj)/vmlinux.bin
+
+$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
$(call if_changed,gzip)
+$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
+ $(call if_changed,bzip2)
+$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
+ $(call if_changed,lzma)
+
+suffix-$(CONFIG_KERNEL_GZIP) := gz
+suffix-$(CONFIG_KERNEL_BZIP2) := bz2
+suffix-$(CONFIG_KERNEL_LZMA) := lzma
OBJCOPYFLAGS += -R .empty_zero_page
-$(obj)/piggy.o: $(obj)/piggy.S $(obj)/vmlinux.bin.gz FORCE
- $(call if_changed,as_o_S)
+LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
+
+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
+ $(call if_changed,ld)
diff --git a/arch/sh/boot/compressed/misc_32.c b/arch/sh/boot/compressed/misc_32.c
index 1ab4f49153be..b86e3596918b 100644
--- a/arch/sh/boot/compressed/misc_32.c
+++ b/arch/sh/boot/compressed/misc_32.c
@@ -41,12 +41,24 @@ extern int _end;
static unsigned long free_mem_ptr;
static unsigned long free_mem_end_ptr;
-#define HEAP_SIZE 0x10000
+#ifdef CONFIG_HAVE_KERNEL_BZIP2
+#define HEAP_SIZE 0x400000
+#else
+#define HEAP_SIZE 0x10000
+#endif
#ifdef CONFIG_KERNEL_GZIP
#include "../../../../lib/decompress_inflate.c"
#endif
+#ifdef CONFIG_KERNEL_BZIP2
+#include "../../../../lib/decompress_bunzip2.c"
+#endif
+
+#ifdef CONFIG_KERNEL_LZMA
+#include "../../../../lib/decompress_unlzma.c"
+#endif
+
#ifdef CONFIG_SH_STANDARD_BIOS
size_t strlen(const char *s)
{
diff --git a/arch/sh/boot/compressed/misc_64.c b/arch/sh/boot/compressed/misc_64.c
index 0c6894e37115..09b7b7cd24f9 100644
--- a/arch/sh/boot/compressed/misc_64.c
+++ b/arch/sh/boot/compressed/misc_64.c
@@ -40,12 +40,24 @@ extern int _end;
static unsigned long free_mem_ptr;
static unsigned long free_mem_end_ptr;
-#define HEAP_SIZE 0x10000
+#ifdef CONFIG_HAVE_KERNEL_BZIP2
+#define HEAP_SIZE 0x400000
+#else
+#define HEAP_SIZE 0x10000
+#endif
#ifdef CONFIG_KERNEL_GZIP
#include "../../../../lib/decompress_inflate.c"
#endif
+#ifdef CONFIG_KERNEL_BZIP2
+#include "../../../../lib/decompress_bunzip2.c"
+#endif
+
+#ifdef CONFIG_KERNEL_LZMA
+#include "../../../../lib/decompress_unlzma.c"
+#endif
+
void puts(const char *s)
{
}
diff --git a/arch/sh/boot/compressed/piggy.S b/arch/sh/boot/compressed/piggy.S
deleted file mode 100644
index 566071926b13..000000000000
--- a/arch/sh/boot/compressed/piggy.S
+++ /dev/null
@@ -1,8 +0,0 @@
- .global input_len, input_data
- .data
-input_len:
- .long input_data_end - input_data
-input_data:
- .incbin "arch/sh/boot/compressed/vmlinux.bin.gz"
-input_data_end:
- .end
diff --git a/arch/sh/boot/compressed/vmlinux.scr b/arch/sh/boot/compressed/vmlinux.scr
new file mode 100644
index 000000000000..f02382ae5c48
--- /dev/null
+++ b/arch/sh/boot/compressed/vmlinux.scr
@@ -0,0 +1,10 @@
+SECTIONS
+{
+ .rodata.compressed : {
+ input_len = .;
+ LONG(input_data_end - input_data) input_data = .;
+ *(.data)
+ output_len = . - 4;
+ input_data_end = .;
+ }
+}
--
GitLab
From b14c6d428a54fb3235e69fd78fba9080c96645be Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 11 Jul 2009 13:30:38 -0400
Subject: [PATCH 050/742] sh: Consolidate the sh64 changes in
arch/sh/boot/compressed/misc_32.c
This makes some minor changes to misc_32.c so that it can be used by
sh64.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boot/compressed/misc_32.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/arch/sh/boot/compressed/misc_32.c b/arch/sh/boot/compressed/misc_32.c
index b86e3596918b..4eb27e61f8e3 100644
--- a/arch/sh/boot/compressed/misc_32.c
+++ b/arch/sh/boot/compressed/misc_32.c
@@ -26,7 +26,10 @@
#undef memcpy
#define memzero(s, n) memset ((s), 0, (n))
-static void error(char *m);
+/* cache.c */
+#define CACHE_ENABLE 0
+#define CACHE_DISABLE 1
+int cache_control(unsigned int command);
extern char input_data[];
extern int input_len;
@@ -111,9 +114,15 @@ static void error(char *x)
while(1); /* Halt */
}
+#ifdef CONFIG_SUPERH64
+#define stackalign 8
+#else
+#define stackalign 4
+#endif
+
#define STACK_SIZE (4096)
-long user_stack [STACK_SIZE];
-long* stack_start = &user_stack[STACK_SIZE];
+long __attribute__ ((aligned(stackalign))) user_stack[STACK_SIZE];
+long *stack_start = &user_stack[STACK_SIZE];
void decompress_kernel(void)
{
@@ -129,6 +138,8 @@ void decompress_kernel(void)
free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
puts("Uncompressing Linux... ");
+ cache_control(CACHE_ENABLE);
decompress(input_data, input_len, NULL, NULL, output, NULL, error);
+ cache_control(CACHE_DISABLE);
puts("Ok, booting the kernel.\n");
}
--
GitLab
From 59f002964f4e6668a0132cd796b82f7f8a4803f0 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 11 Jul 2009 13:32:24 -0400
Subject: [PATCH 051/742] sh: rename arch/sh/boot/compressed/misc_32.c ->
misc.c
This is now used by both sh64 and regular sh, kill off the old sh64
version now too.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boot/compressed/Makefile | 4 +-
arch/sh/boot/compressed/{misc_32.c => misc.c} | 0
arch/sh/boot/compressed/misc_64.c | 109 ------------------
3 files changed, 2 insertions(+), 111 deletions(-)
rename arch/sh/boot/compressed/{misc_32.c => misc.c} (100%)
delete mode 100644 arch/sh/boot/compressed/misc_64.c
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 0a4e7af8a71b..3324019e207e 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -6,9 +6,9 @@
targets := vmlinux vmlinux.bin vmlinux.bin.gz \
vmlinux.bin.bz2 vmlinux.bin.lzma \
- head_$(BITS).o misc_$(BITS).o piggy.o
+ head_$(BITS).o misc.o piggy.o
-OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc_$(BITS).o $(obj)/cache.o
+OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
ifdef CONFIG_SH_STANDARD_BIOS
OBJECTS += $(obj)/../../kernel/sh_bios.o
diff --git a/arch/sh/boot/compressed/misc_32.c b/arch/sh/boot/compressed/misc.c
similarity index 100%
rename from arch/sh/boot/compressed/misc_32.c
rename to arch/sh/boot/compressed/misc.c
diff --git a/arch/sh/boot/compressed/misc_64.c b/arch/sh/boot/compressed/misc_64.c
deleted file mode 100644
index 09b7b7cd24f9..000000000000
--- a/arch/sh/boot/compressed/misc_64.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * arch/sh/boot/compressed/misc_64.c
- *
- * This is a collection of several routines from gzip-1.0.3
- * adapted for Linux.
- *
- * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
- *
- * Adapted for SHmedia from sh by Stuart Menefy, May 2002
- */
-
-#include <asm/uaccess.h>
-
-/* cache.c */
-#define CACHE_ENABLE 0
-#define CACHE_DISABLE 1
-int cache_control(unsigned int command);
-
-/*
- * gzip declarations
- */
-
-#define STATIC static
-
-#undef memset
-#undef memcpy
-#define memzero(s, n) memset ((s), 0, (n))
-
-static void error(char *m);
-
-extern char input_data[];
-extern int input_len;
-
-static unsigned char *output_data;
-
-static void puts(const char *);
-
-extern int _text; /* Defined in vmlinux.lds.S */
-extern int _end;
-static unsigned long free_mem_ptr;
-static unsigned long free_mem_end_ptr;
-
-#ifdef CONFIG_HAVE_KERNEL_BZIP2
-#define HEAP_SIZE 0x400000
-#else
-#define HEAP_SIZE 0x10000
-#endif
-
-#ifdef CONFIG_KERNEL_GZIP
-#include "../../../../lib/decompress_inflate.c"
-#endif
-
-#ifdef CONFIG_KERNEL_BZIP2
-#include "../../../../lib/decompress_bunzip2.c"
-#endif
-
-#ifdef CONFIG_KERNEL_LZMA
-#include "../../../../lib/decompress_unlzma.c"
-#endif
-
-void puts(const char *s)
-{
-}
-
-void *memset(void *s, int c, size_t n)
-{
- int i;
- char *ss = (char *) s;
-
- for (i = 0; i < n; i++)
- ss[i] = c;
- return s;
-}
-
-void *memcpy(void *__dest, __const void *__src, size_t __n)
-{
- int i;
- char *d = (char *) __dest, *s = (char *) __src;
-
- for (i = 0; i < __n; i++)
- d[i] = s[i];
- return __dest;
-}
-
-static void error(char *x)
-{
- puts("\n\n");
- puts(x);
- puts("\n\n -- System halted");
-
- while (1) ; /* Halt */
-}
-
-#define STACK_SIZE (4096)
-long __attribute__ ((aligned(8))) user_stack[STACK_SIZE];
-long *stack_start = &user_stack[STACK_SIZE];
-
-void decompress_kernel(void)
-{
- output_data = (unsigned char *) (CONFIG_MEMORY_START + 0x2000);
- free_mem_ptr = (unsigned long) &_end;
- free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
-
- puts("Uncompressing Linux... ");
- cache_control(CACHE_ENABLE);
- decompress(input_data, input_len, NULL, NULL, output_data, NULL, error);
- cache_control(CACHE_DISABLE);
- puts("Ok, booting the kernel.\n");
-}
--
GitLab
From 040f43e0bf70935cbe8a775110206d11367e11db Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 11 Jul 2009 13:36:25 -0400
Subject: [PATCH 052/742] sh64: Don't use PHYSADDR() for output_addr
calculation.
Opencode the MEMORY_START offset directly, sh64 uses a slightly different
calculation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boot/compressed/misc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c
index 4eb27e61f8e3..fd56a71ca9d9 100644
--- a/arch/sh/boot/compressed/misc.c
+++ b/arch/sh/boot/compressed/misc.c
@@ -128,9 +128,13 @@ void decompress_kernel(void)
{
unsigned long output_addr;
+#ifdef CONFIG_SUPERH64
+ output_addr = (CONFIG_MEMORY_START + 0x2000);
+#else
output_addr = PHYSADDR((unsigned long)&_text+PAGE_SIZE);
#ifdef CONFIG_29BIT
output_addr |= P2SEG;
+#endif
#endif
output = (unsigned char *)output_addr;
--
GitLab
From 05dd2cd3bb3299540e33ff60c5b401dd88f273bd Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Mon, 13 Jul 2009 11:38:04 +0000
Subject: [PATCH 053/742] sh: Restore previous behaviour on kernel fault
The last commit changed the behaviour on kernel faults when we were
doing something other than syncing the page tables. vmalloc_sync_one()
needs to return NULL if the page tables are up to date, because the
reason for the fault was not a missing/inconsitent page table entry. By
returning NULL if the page tables are sync'd we signal to the calling
function that further work must be done to resolve this fault.
Also, remove the superfluous __va() around the first argument to
vmalloc_sync_one(). The value of pgd_k is already a virtual address and
using it wth __va() causes a NULL dereference.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/fault_32.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index 08d0117d90fa..dbbdeba2cee5 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -60,8 +60,15 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
if (!pmd_present(*pmd))
set_pmd(pmd, *pmd_k);
- else
+ else {
+ /*
+ * The page tables are fully synchronised so there must
+ * be another reason for the fault. Return NULL here to
+ * signal that we have not taken care of the fault.
+ */
BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k));
+ return NULL;
+ }
return pmd_k;
}
@@ -87,7 +94,7 @@ static noinline int vmalloc_fault(unsigned long address)
* an interrupt in the middle of a task switch..
*/
pgd_k = get_TTB();
- pmd_k = vmalloc_sync_one(__va((unsigned long)pgd_k), address);
+ pmd_k = vmalloc_sync_one(pgd_k, address);
if (!pmd_k)
return -1;
--
GitLab
From 72849873cdf213b5d7b8ae006e6740b2d78f6ad8 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 14 Jul 2009 06:51:54 -0400
Subject: [PATCH 054/742] sh: Kill off zero-sized vmlinux_64.lds.S
This seems to be some merge damage, kill it off.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/vmlinux_64.lds.S | 0
1 file changed, 0 insertions(+), 0 deletions(-)
delete mode 100644 arch/sh/kernel/vmlinux_64.lds.S
diff --git a/arch/sh/kernel/vmlinux_64.lds.S b/arch/sh/kernel/vmlinux_64.lds.S
deleted file mode 100644
index e69de29bb2d1..000000000000
--
GitLab
From 0f8ee1874fa80899debc0a0670e2bed0a28d2548 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 17 Jul 2009 14:24:55 +0000
Subject: [PATCH 055/742] sh: Add support for multiple hwblk counters
Extend the SuperH hwblk code to support more than one counter.
Contains ground work for the future Runtime PM implementation.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/hwblk.h | 13 ++++-
arch/sh/kernel/cpu/hwblk.c | 69 ++++++++++++++++++--------
arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c | 4 +-
3 files changed, 60 insertions(+), 26 deletions(-)
diff --git a/arch/sh/include/asm/hwblk.h b/arch/sh/include/asm/hwblk.h
index 51a46f496639..c01d72cb6757 100644
--- a/arch/sh/include/asm/hwblk.h
+++ b/arch/sh/include/asm/hwblk.h
@@ -4,6 +4,9 @@
#include <asm/clock.h>
#include <asm/io.h>
+#define HWBLK_CNT_USAGE 0
+#define HWBLK_CNT_NR 1
+
#define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */
#define HWBLK_AREA(_flags, _parent) \
@@ -13,7 +16,7 @@
}
struct hwblk_area {
- unsigned long cnt;
+ int cnt[HWBLK_CNT_NR];
unsigned char parent;
unsigned char flags;
};
@@ -29,7 +32,7 @@ struct hwblk {
void __iomem *mstp;
unsigned char bit;
unsigned char area;
- unsigned long cnt;
+ int cnt[HWBLK_CNT_NR];
};
struct hwblk_info {
@@ -46,6 +49,12 @@ int arch_hwblk_sleep_mode(void);
int hwblk_register(struct hwblk_info *info);
int hwblk_init(void);
+void hwblk_enable(struct hwblk_info *info, int hwblk);
+void hwblk_disable(struct hwblk_info *info, int hwblk);
+
+void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int cnt);
+void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt);
+
/* allow clocks to enable and disable hardware blocks */
#define SH_HWBLK_CLK(_name, _id, _parent, _hwblk, _flags) \
{ \
diff --git a/arch/sh/kernel/cpu/hwblk.c b/arch/sh/kernel/cpu/hwblk.c
index 7c3a73deff24..c0ad7d46e784 100644
--- a/arch/sh/kernel/cpu/hwblk.c
+++ b/arch/sh/kernel/cpu/hwblk.c
@@ -9,38 +9,64 @@
static DEFINE_SPINLOCK(hwblk_lock);
-static void hwblk_area_inc(struct hwblk_info *info, int area)
+static void hwblk_area_mod_cnt(struct hwblk_info *info,
+ int area, int counter, int value, int goal)
{
struct hwblk_area *hap = info->areas + area;
- hap->cnt++;
- if (hap->cnt == 1)
- if (hap->flags & HWBLK_AREA_FLAG_PARENT)
- hwblk_area_inc(info, hap->parent);
+ hap->cnt[counter] += value;
+
+ if (hap->cnt[counter] != goal)
+ return;
+
+ if (hap->flags & HWBLK_AREA_FLAG_PARENT)
+ hwblk_area_mod_cnt(info, hap->parent, counter, value, goal);
}
-static void hwblk_area_dec(struct hwblk_info *info, int area)
+
+static int __hwblk_mod_cnt(struct hwblk_info *info, int hwblk,
+ int counter, int value, int goal)
{
- struct hwblk_area *hap = info->areas + area;
+ struct hwblk *hp = info->hwblks + hwblk;
+
+ hp->cnt[counter] += value;
+ if (hp->cnt[counter] == goal)
+ hwblk_area_mod_cnt(info, hp->area, counter, value, goal);
- if (hap->cnt == 1)
- if (hap->flags & HWBLK_AREA_FLAG_PARENT)
- hwblk_area_dec(info, hap->parent);
- hap->cnt--;
+ return hp->cnt[counter];
}
-static void hwblk_enable(struct hwblk_info *info, int hwblk)
+static void hwblk_mod_cnt(struct hwblk_info *info, int hwblk,
+ int counter, int value, int goal)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&hwblk_lock, flags);
+ __hwblk_mod_cnt(info, hwblk, counter, value, goal);
+ spin_unlock_irqrestore(&hwblk_lock, flags);
+}
+
+void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int counter)
+{
+ hwblk_mod_cnt(info, hwblk, counter, 1, 1);
+}
+
+void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int counter)
+{
+ hwblk_mod_cnt(info, hwblk, counter, -1, 0);
+}
+
+void hwblk_enable(struct hwblk_info *info, int hwblk)
{
struct hwblk *hp = info->hwblks + hwblk;
unsigned long tmp;
unsigned long flags;
+ int ret;
spin_lock_irqsave(&hwblk_lock, flags);
- hp->cnt++;
- if (hp->cnt == 1) {
- hwblk_area_inc(info, hp->area);
-
+ ret = __hwblk_mod_cnt(info, hwblk, HWBLK_CNT_USAGE, 1, 1);
+ if (ret == 1) {
tmp = __raw_readl(hp->mstp);
tmp &= ~(1 << hp->bit);
__raw_writel(tmp, hp->mstp);
@@ -49,27 +75,26 @@ static void hwblk_enable(struct hwblk_info *info, int hwblk)
spin_unlock_irqrestore(&hwblk_lock, flags);
}
-static void hwblk_disable(struct hwblk_info *info, int hwblk)
+void hwblk_disable(struct hwblk_info *info, int hwblk)
{
struct hwblk *hp = info->hwblks + hwblk;
unsigned long tmp;
unsigned long flags;
+ int ret;
spin_lock_irqsave(&hwblk_lock, flags);
- if (hp->cnt == 1) {
- hwblk_area_dec(info, hp->area);
-
+ ret = __hwblk_mod_cnt(info, hwblk, HWBLK_CNT_USAGE, -1, 0);
+ if (ret == 0) {
tmp = __raw_readl(hp->mstp);
tmp |= 1 << hp->bit;
__raw_writel(tmp, hp->mstp);
}
- hp->cnt--;
spin_unlock_irqrestore(&hwblk_lock, flags);
}
-static struct hwblk_info *hwblk_info;
+struct hwblk_info *hwblk_info;
int __init hwblk_register(struct hwblk_info *info)
{
diff --git a/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c b/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c
index 00a1c02d82b1..a288b5d92341 100644
--- a/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c
@@ -91,10 +91,10 @@ static struct hwblk_info sh7722_hwblk_info = {
int arch_hwblk_sleep_mode(void)
{
- if (!sh7722_hwblk_area[CORE_AREA].cnt)
+ if (!sh7722_hwblk_area[CORE_AREA].cnt[HWBLK_CNT_USAGE])
return SUSP_SH_STANDBY | SUSP_SH_SF;
- if (!sh7722_hwblk_area[CORE_AREA_BM].cnt)
+ if (!sh7722_hwblk_area[CORE_AREA_BM].cnt[HWBLK_CNT_USAGE])
return SUSP_SH_SLEEP | SUSP_SH_SF;
return SUSP_SH_SLEEP;
--
GitLab
From 2094e504a7489a2d774d544592360e578d9325f8 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 17 Jul 2009 14:43:38 +0000
Subject: [PATCH 056/742] sh: hwblk support for sh7723
This patch adds hwblk support for the sh7723 processor.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/cpu-sh4/cpu/sh7723.h | 17 ++++
arch/sh/kernel/cpu/sh4a/Makefile | 2 +-
arch/sh/kernel/cpu/sh4a/clock-sh7723.c | 110 ++++++++++++-----------
arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c | 117 +++++++++++++++++++++++++
4 files changed, 193 insertions(+), 53 deletions(-)
create mode 100644 arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7723.h b/arch/sh/include/cpu-sh4/cpu/sh7723.h
index 14c8ca936781..9b36fae72324 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7723.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7723.h
@@ -265,4 +265,21 @@ enum {
GPIO_FN_IDEA1, GPIO_FN_IDEA0,
};
+enum {
+ HWBLK_UNKNOWN = 0,
+ HWBLK_TLB, HWBLK_IC, HWBLK_OC, HWBLK_L2C, HWBLK_ILMEM, HWBLK_FPU,
+ HWBLK_INTC, HWBLK_DMAC0, HWBLK_SHYWAY,
+ HWBLK_HUDI, HWBLK_DBG, HWBLK_UBC, HWBLK_SUBC,
+ HWBLK_TMU0, HWBLK_CMT, HWBLK_RWDT, HWBLK_DMAC1, HWBLK_TMU1,
+ HWBLK_FLCTL,
+ HWBLK_SCIF0, HWBLK_SCIF1, HWBLK_SCIF2,
+ HWBLK_SCIF3, HWBLK_SCIF4, HWBLK_SCIF5,
+ HWBLK_MSIOF0, HWBLK_MSIOF1, HWBLK_MERAM, HWBLK_IIC, HWBLK_RTC,
+ HWBLK_ATAPI, HWBLK_ADC, HWBLK_TPU, HWBLK_IRDA, HWBLK_TSIF, HWBLK_ICB,
+ HWBLK_SDHI0, HWBLK_SDHI1, HWBLK_KEYSC, HWBLK_USB,
+ HWBLK_2DG, HWBLK_SIU, HWBLK_VEU2H1, HWBLK_VOU, HWBLK_BEU, HWBLK_CEU,
+ HWBLK_VEU2H0, HWBLK_VPU, HWBLK_LCDC,
+ HWBLK_NR,
+};
+
#endif /* __ASM_SH7723_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index 3cafda696378..1d7ae38bc611 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -26,7 +26,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7785) := clock-sh7785.o
clock-$(CONFIG_CPU_SUBTYPE_SH7786) := clock-sh7786.o
clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o
clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o hwblk-sh7722.o
-clock-$(CONFIG_CPU_SUBTYPE_SH7723) := clock-sh7723.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7723) := clock-sh7723.o hwblk-sh7723.o
clock-$(CONFIG_CPU_SUBTYPE_SH7724) := clock-sh7724.o
clock-$(CONFIG_CPU_SUBTYPE_SH7366) := clock-sh7366.o
clock-$(CONFIG_CPU_SUBTYPE_SHX3) := clock-shx3.o
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
index e67c2678b8ae..bf64c78eee34 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
@@ -22,6 +22,8 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clock.h>
+#include <asm/hwblk.h>
+#include <cpu/sh7723.h>
/* SH7723 registers */
#define FRQCR 0xa4150000
@@ -140,60 +142,64 @@ struct clk div6_clks[] = {
SH_CLK_DIV6("video_clk", &pll_clk, VCLKCR, 0),
};
-#define MSTP(_str, _parent, _reg, _bit, _force_on, _need_cpg, _need_ram) \
- SH_CLK_MSTP32(_str, -1, _parent, _reg, _bit, _force_on * CLK_ENABLE_ON_INIT)
+#define R_CLK (&r_clk)
+#define P_CLK (&div4_clks[DIV4_P])
+#define B_CLK (&div4_clks[DIV4_B])
+#define U_CLK (&div4_clks[DIV4_U])
+#define I_CLK (&div4_clks[DIV4_I])
+#define SH_CLK (&div4_clks[DIV4_SH])
static struct clk mstp_clks[] = {
/* See page 60 of Datasheet V1.0: Overview -> Block Diagram */
- MSTP("tlb0", &div4_clks[DIV4_I], MSTPCR0, 31, 1, 1, 0),
- MSTP("ic0", &div4_clks[DIV4_I], MSTPCR0, 30, 1, 1, 0),
- MSTP("oc0", &div4_clks[DIV4_I], MSTPCR0, 29, 1, 1, 0),
- MSTP("l2c0", &div4_clks[DIV4_SH], MSTPCR0, 28, 1, 1, 0),
- MSTP("ilmem0", &div4_clks[DIV4_I], MSTPCR0, 27, 1, 1, 0),
- MSTP("fpu0", &div4_clks[DIV4_I], MSTPCR0, 24, 1, 1, 0),
- MSTP("intc0", &div4_clks[DIV4_I], MSTPCR0, 22, 1, 1, 0),
- MSTP("dmac0", &div4_clks[DIV4_B], MSTPCR0, 21, 0, 1, 1),
- MSTP("sh0", &div4_clks[DIV4_SH], MSTPCR0, 20, 0, 1, 0),
- MSTP("hudi0", &div4_clks[DIV4_P], MSTPCR0, 19, 0, 1, 0),
- MSTP("ubc0", &div4_clks[DIV4_I], MSTPCR0, 17, 0, 1, 0),
- MSTP("tmu0", &div4_clks[DIV4_P], MSTPCR0, 15, 0, 1, 0),
- MSTP("cmt0", &r_clk, MSTPCR0, 14, 0, 0, 0),
- MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0, 0, 0),
- MSTP("dmac1", &div4_clks[DIV4_B], MSTPCR0, 12, 0, 1, 1),
- MSTP("tmu1", &div4_clks[DIV4_P], MSTPCR0, 11, 0, 1, 0),
- MSTP("flctl0", &div4_clks[DIV4_P], MSTPCR0, 10, 0, 1, 0),
- MSTP("scif0", &div4_clks[DIV4_P], MSTPCR0, 9, 0, 1, 0),
- MSTP("scif1", &div4_clks[DIV4_P], MSTPCR0, 8, 0, 1, 0),
- MSTP("scif2", &div4_clks[DIV4_P], MSTPCR0, 7, 0, 1, 0),
- MSTP("scif3", &div4_clks[DIV4_B], MSTPCR0, 6, 0, 1, 0),
- MSTP("scif4", &div4_clks[DIV4_B], MSTPCR0, 5, 0, 1, 0),
- MSTP("scif5", &div4_clks[DIV4_B], MSTPCR0, 4, 0, 1, 0),
- MSTP("msiof0", &div4_clks[DIV4_B], MSTPCR0, 2, 0, 1, 0),
- MSTP("msiof1", &div4_clks[DIV4_B], MSTPCR0, 1, 0, 1, 0),
- MSTP("meram0", &div4_clks[DIV4_SH], MSTPCR0, 0, 1, 1, 0),
-
- MSTP("i2c0", &div4_clks[DIV4_P], MSTPCR1, 9, 0, 1, 0),
- MSTP("rtc0", &r_clk, MSTPCR1, 8, 0, 0, 0),
-
- MSTP("atapi0", &div4_clks[DIV4_SH], MSTPCR2, 28, 0, 1, 0),
- MSTP("adc0", &div4_clks[DIV4_P], MSTPCR2, 27, 0, 1, 0),
- MSTP("tpu0", &div4_clks[DIV4_B], MSTPCR2, 25, 0, 1, 0),
- MSTP("irda0", &div4_clks[DIV4_P], MSTPCR2, 24, 0, 1, 0),
- MSTP("tsif0", &div4_clks[DIV4_B], MSTPCR2, 22, 0, 1, 0),
- MSTP("icb0", &div4_clks[DIV4_B], MSTPCR2, 21, 0, 1, 1),
- MSTP("sdhi0", &div4_clks[DIV4_B], MSTPCR2, 18, 0, 1, 0),
- MSTP("sdhi1", &div4_clks[DIV4_B], MSTPCR2, 17, 0, 1, 0),
- MSTP("keysc0", &r_clk, MSTPCR2, 14, 0, 0, 0),
- MSTP("usb0", &div4_clks[DIV4_B], MSTPCR2, 11, 0, 1, 0),
- MSTP("2dg0", &div4_clks[DIV4_B], MSTPCR2, 10, 0, 1, 1),
- MSTP("siu0", &div4_clks[DIV4_B], MSTPCR2, 8, 0, 1, 0),
- MSTP("veu1", &div4_clks[DIV4_B], MSTPCR2, 6, 1, 1, 1),
- MSTP("vou0", &div4_clks[DIV4_B], MSTPCR2, 5, 0, 1, 1),
- MSTP("beu0", &div4_clks[DIV4_B], MSTPCR2, 4, 0, 1, 1),
- MSTP("ceu0", &div4_clks[DIV4_B], MSTPCR2, 3, 0, 1, 1),
- MSTP("veu0", &div4_clks[DIV4_B], MSTPCR2, 2, 1, 1, 1),
- MSTP("vpu0", &div4_clks[DIV4_B], MSTPCR2, 1, 1, 1, 1),
- MSTP("lcdc0", &div4_clks[DIV4_B], MSTPCR2, 0, 0, 1, 1),
+ SH_HWBLK_CLK("tlb0", -1, I_CLK, HWBLK_TLB, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("ic0", -1, I_CLK, HWBLK_IC, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("oc0", -1, I_CLK, HWBLK_OC, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("l2c0", -1, SH_CLK, HWBLK_L2C, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("ilmem0", -1, I_CLK, HWBLK_ILMEM, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("fpu0", -1, I_CLK, HWBLK_FPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("intc0", -1, I_CLK, HWBLK_INTC, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("dmac0", -1, B_CLK, HWBLK_DMAC0, 0),
+ SH_HWBLK_CLK("sh0", -1, SH_CLK, HWBLK_SHYWAY, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("hudi0", -1, P_CLK, HWBLK_HUDI, 0),
+ SH_HWBLK_CLK("ubc0", -1, I_CLK, HWBLK_UBC, 0),
+ SH_HWBLK_CLK("tmu0", -1, P_CLK, HWBLK_TMU0, 0),
+ SH_HWBLK_CLK("cmt0", -1, R_CLK, HWBLK_CMT, 0),
+ SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0),
+ SH_HWBLK_CLK("dmac1", -1, B_CLK, HWBLK_DMAC1, 0),
+ SH_HWBLK_CLK("tmu1", -1, P_CLK, HWBLK_TMU1, 0),
+ SH_HWBLK_CLK("flctl0", -1, P_CLK, HWBLK_FLCTL, 0),
+ SH_HWBLK_CLK("scif0", -1, P_CLK, HWBLK_SCIF0, 0),
+ SH_HWBLK_CLK("scif1", -1, P_CLK, HWBLK_SCIF1, 0),
+ SH_HWBLK_CLK("scif2", -1, P_CLK, HWBLK_SCIF2, 0),
+ SH_HWBLK_CLK("scif3", -1, B_CLK, HWBLK_SCIF3, 0),
+ SH_HWBLK_CLK("scif4", -1, B_CLK, HWBLK_SCIF4, 0),
+ SH_HWBLK_CLK("scif5", -1, B_CLK, HWBLK_SCIF5, 0),
+ SH_HWBLK_CLK("msiof0", -1, B_CLK, HWBLK_MSIOF0, 0),
+ SH_HWBLK_CLK("msiof1", -1, B_CLK, HWBLK_MSIOF1, 0),
+ SH_HWBLK_CLK("meram0", -1, SH_CLK, HWBLK_MERAM, 0),
+
+ SH_HWBLK_CLK("i2c0", -1, P_CLK, HWBLK_IIC, 0),
+ SH_HWBLK_CLK("rtc0", -1, R_CLK, HWBLK_RTC, 0),
+
+ SH_HWBLK_CLK("atapi0", -1, SH_CLK, HWBLK_ATAPI, 0),
+ SH_HWBLK_CLK("adc0", -1, P_CLK, HWBLK_ADC, 0),
+ SH_HWBLK_CLK("tpu0", -1, B_CLK, HWBLK_TPU, 0),
+ SH_HWBLK_CLK("irda0", -1, P_CLK, HWBLK_IRDA, 0),
+ SH_HWBLK_CLK("tsif0", -1, B_CLK, HWBLK_TSIF, 0),
+ SH_HWBLK_CLK("icb0", -1, B_CLK, HWBLK_ICB, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("sdhi0", -1, B_CLK, HWBLK_SDHI0, 0),
+ SH_HWBLK_CLK("sdhi1", -1, B_CLK, HWBLK_SDHI1, 0),
+ SH_HWBLK_CLK("keysc0", -1, R_CLK, HWBLK_KEYSC, 0),
+ SH_HWBLK_CLK("usb0", -1, B_CLK, HWBLK_USB, 0),
+ SH_HWBLK_CLK("2dg0", -1, B_CLK, HWBLK_2DG, 0),
+ SH_HWBLK_CLK("siu0", -1, B_CLK, HWBLK_SIU, 0),
+ SH_HWBLK_CLK("veu1", -1, B_CLK, HWBLK_VEU2H1, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("vou0", -1, B_CLK, HWBLK_VOU, 0),
+ SH_HWBLK_CLK("beu0", -1, B_CLK, HWBLK_BEU, 0),
+ SH_HWBLK_CLK("ceu0", -1, B_CLK, HWBLK_CEU, 0),
+ SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU2H0, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("lcdc0", -1, B_CLK, HWBLK_LCDC, 0),
};
int __init arch_clk_init(void)
@@ -216,7 +222,7 @@ int __init arch_clk_init(void)
ret = sh_clk_div6_register(div6_clks, ARRAY_SIZE(div6_clks));
if (!ret)
- ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
+ ret = sh_hwblk_clk_register(mstp_clks, ARRAY_SIZE(mstp_clks));
return ret;
}
diff --git a/arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c b/arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c
new file mode 100644
index 000000000000..a7f4684d2032
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c
@@ -0,0 +1,117 @@
+/*
+ * arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c
+ *
+ * SH7723 hardware block support
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/suspend.h>
+#include <asm/hwblk.h>
+#include <cpu/sh7723.h>
+
+/* SH7723 registers */
+#define MSTPCR0 0xa4150030
+#define MSTPCR1 0xa4150034
+#define MSTPCR2 0xa4150038
+
+/* SH7723 Power Domains */
+enum { CORE_AREA, SUB_AREA, CORE_AREA_BM };
+static struct hwblk_area sh7723_hwblk_area[] = {
+ [CORE_AREA] = HWBLK_AREA(0, 0),
+ [CORE_AREA_BM] = HWBLK_AREA(HWBLK_AREA_FLAG_PARENT, CORE_AREA),
+ [SUB_AREA] = HWBLK_AREA(0, 0),
+};
+
+/* Table mapping HWBLK to Module Stop Bit and Power Domain */
+static struct hwblk sh7723_hwblk[HWBLK_NR] = {
+ [HWBLK_TLB] = HWBLK(MSTPCR0, 31, CORE_AREA),
+ [HWBLK_IC] = HWBLK(MSTPCR0, 30, CORE_AREA),
+ [HWBLK_OC] = HWBLK(MSTPCR0, 29, CORE_AREA),
+ [HWBLK_L2C] = HWBLK(MSTPCR0, 28, CORE_AREA),
+ [HWBLK_ILMEM] = HWBLK(MSTPCR0, 27, CORE_AREA),
+ [HWBLK_FPU] = HWBLK(MSTPCR0, 24, CORE_AREA),
+ [HWBLK_INTC] = HWBLK(MSTPCR0, 22, CORE_AREA),
+ [HWBLK_DMAC0] = HWBLK(MSTPCR0, 21, CORE_AREA_BM),
+ [HWBLK_SHYWAY] = HWBLK(MSTPCR0, 20, CORE_AREA),
+ [HWBLK_HUDI] = HWBLK(MSTPCR0, 19, CORE_AREA),
+ [HWBLK_DBG] = HWBLK(MSTPCR0, 18, CORE_AREA),
+ [HWBLK_UBC] = HWBLK(MSTPCR0, 17, CORE_AREA),
+ [HWBLK_SUBC] = HWBLK(MSTPCR0, 16, CORE_AREA),
+ [HWBLK_TMU0] = HWBLK(MSTPCR0, 15, CORE_AREA),
+ [HWBLK_CMT] = HWBLK(MSTPCR0, 14, SUB_AREA),
+ [HWBLK_RWDT] = HWBLK(MSTPCR0, 13, SUB_AREA),
+ [HWBLK_DMAC1] = HWBLK(MSTPCR0, 12, CORE_AREA_BM),
+ [HWBLK_TMU1] = HWBLK(MSTPCR0, 11, CORE_AREA),
+ [HWBLK_FLCTL] = HWBLK(MSTPCR0, 10, CORE_AREA),
+ [HWBLK_SCIF0] = HWBLK(MSTPCR0, 9, CORE_AREA),
+ [HWBLK_SCIF1] = HWBLK(MSTPCR0, 8, CORE_AREA),
+ [HWBLK_SCIF2] = HWBLK(MSTPCR0, 7, CORE_AREA),
+ [HWBLK_SCIF3] = HWBLK(MSTPCR0, 6, CORE_AREA),
+ [HWBLK_SCIF4] = HWBLK(MSTPCR0, 5, CORE_AREA),
+ [HWBLK_SCIF5] = HWBLK(MSTPCR0, 4, CORE_AREA),
+ [HWBLK_MSIOF0] = HWBLK(MSTPCR0, 2, CORE_AREA),
+ [HWBLK_MSIOF1] = HWBLK(MSTPCR0, 1, CORE_AREA),
+ [HWBLK_MERAM] = HWBLK(MSTPCR0, 0, CORE_AREA),
+
+ [HWBLK_IIC] = HWBLK(MSTPCR1, 9, CORE_AREA),
+ [HWBLK_RTC] = HWBLK(MSTPCR1, 8, SUB_AREA),
+
+ [HWBLK_ATAPI] = HWBLK(MSTPCR2, 28, CORE_AREA_BM),
+ [HWBLK_ADC] = HWBLK(MSTPCR2, 27, CORE_AREA),
+ [HWBLK_TPU] = HWBLK(MSTPCR2, 25, CORE_AREA),
+ [HWBLK_IRDA] = HWBLK(MSTPCR2, 24, CORE_AREA),
+ [HWBLK_TSIF] = HWBLK(MSTPCR2, 22, CORE_AREA),
+ [HWBLK_ICB] = HWBLK(MSTPCR2, 21, CORE_AREA_BM),
+ [HWBLK_SDHI0] = HWBLK(MSTPCR2, 18, CORE_AREA),
+ [HWBLK_SDHI1] = HWBLK(MSTPCR2, 17, CORE_AREA),
+ [HWBLK_KEYSC] = HWBLK(MSTPCR2, 14, SUB_AREA),
+ [HWBLK_USB] = HWBLK(MSTPCR2, 11, CORE_AREA),
+ [HWBLK_2DG] = HWBLK(MSTPCR2, 10, CORE_AREA_BM),
+ [HWBLK_SIU] = HWBLK(MSTPCR2, 8, CORE_AREA),
+ [HWBLK_VEU2H1] = HWBLK(MSTPCR2, 6, CORE_AREA_BM),
+ [HWBLK_VOU] = HWBLK(MSTPCR2, 5, CORE_AREA_BM),
+ [HWBLK_BEU] = HWBLK(MSTPCR2, 4, CORE_AREA_BM),
+ [HWBLK_CEU] = HWBLK(MSTPCR2, 3, CORE_AREA_BM),
+ [HWBLK_VEU2H0] = HWBLK(MSTPCR2, 2, CORE_AREA_BM),
+ [HWBLK_VPU] = HWBLK(MSTPCR2, 1, CORE_AREA_BM),
+ [HWBLK_LCDC] = HWBLK(MSTPCR2, 0, CORE_AREA_BM),
+};
+
+static struct hwblk_info sh7723_hwblk_info = {
+ .areas = sh7723_hwblk_area,
+ .nr_areas = ARRAY_SIZE(sh7723_hwblk_area),
+ .hwblks = sh7723_hwblk,
+ .nr_hwblks = ARRAY_SIZE(sh7723_hwblk),
+};
+
+int arch_hwblk_sleep_mode(void)
+{
+ if (!sh7723_hwblk_area[CORE_AREA].cnt[HWBLK_CNT_USAGE])
+ return SUSP_SH_STANDBY | SUSP_SH_SF;
+
+ if (!sh7723_hwblk_area[CORE_AREA_BM].cnt[HWBLK_CNT_USAGE])
+ return SUSP_SH_SLEEP | SUSP_SH_SF;
+
+ return SUSP_SH_SLEEP;
+}
+
+int __init arch_hwblk_init(void)
+{
+ return hwblk_register(&sh7723_hwblk_info);
+}
--
GitLab
From ae1cef6ea155328905cb359ec7c2a47776d2d4d4 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 17 Jul 2009 14:52:05 +0000
Subject: [PATCH 057/742] usb: convert r8a66597-hcd to dev_pm_ops
Convert the r8a66597-hcd driver to dev_pm_ops. This makes
the driver a good PM citizen and removes a warning printout.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/usb/host/r8a66597-hcd.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index e18f74946e68..09895a97c10b 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -2305,9 +2305,9 @@ static struct hc_driver r8a66597_hc_driver = {
};
#if defined(CONFIG_PM)
-static int r8a66597_suspend(struct platform_device *pdev, pm_message_t state)
+static int r8a66597_suspend(struct device *dev)
{
- struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev);
+ struct r8a66597 *r8a66597 = dev_get_drvdata(dev);
int port;
dbg("%s", __func__);
@@ -2323,9 +2323,9 @@ static int r8a66597_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
}
-static int r8a66597_resume(struct platform_device *pdev)
+static int r8a66597_resume(struct device *dev)
{
- struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev);
+ struct r8a66597 *r8a66597 = dev_get_drvdata(dev);
struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597);
dbg("%s", __func__);
@@ -2335,9 +2335,15 @@ static int r8a66597_resume(struct platform_device *pdev)
return 0;
}
+
+static struct dev_pm_ops r8a66597_dev_pm_ops = {
+ .suspend = r8a66597_suspend,
+ .resume = r8a66597_resume,
+};
+
+#define R8A66597_DEV_PM_OPS (&r8a66597_dev_pm_ops)
#else /* if defined(CONFIG_PM) */
-#define r8a66597_suspend NULL
-#define r8a66597_resume NULL
+#define R8A66597_DEV_PM_OPS NULL
#endif
static int __init_or_module r8a66597_remove(struct platform_device *pdev)
@@ -2473,11 +2479,10 @@ clean_up:
static struct platform_driver r8a66597_driver = {
.probe = r8a66597_probe,
.remove = r8a66597_remove,
- .suspend = r8a66597_suspend,
- .resume = r8a66597_resume,
.driver = {
.name = (char *) hcd_name,
.owner = THIS_MODULE,
+ .pm = R8A66597_DEV_PM_OPS,
},
};
--
GitLab
From 719a72b7c75bb239ca6184190ab994b71a31c6dc Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 17 Jul 2009 14:59:55 +0000
Subject: [PATCH 058/742] usb: r8a66597-hcd platform data on_chip support
Convert the r8a66597-hcd driver to use the on_chip flag
from platform data to enable on chip behaviour instead
of relying on CONFIG_SUPERH_ON_CHIP_R8A66597 ugliness.
This makes the code cleaner and also allows us to support
both external and internal r8a66597 with the same kernel.
It also makes the Kconfig part more future proof since
we with this patch can add support for new processors
with on-chip r8a66597 without modifying the Kconfig.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-se/7724/setup.c | 1 +
arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 2 +-
drivers/usb/host/Kconfig | 7 -
drivers/usb/host/r8a66597-hcd.c | 187 ++++++++++++++-----------
drivers/usb/host/r8a66597.h | 76 +++++-----
include/linux/usb/r8a66597.h | 3 +
7 files changed, 147 insertions(+), 131 deletions(-)
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 8fed45a2fb85..4fb7e48e2843 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -304,6 +304,7 @@ static struct platform_device sh_eth_device = {
};
static struct r8a66597_platdata sh7724_usb0_host_data = {
+ .on_chip = 1,
};
static struct resource sh7724_usb0_host_resources[] = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
index c18f7d09281b..f6d208813564 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
@@ -40,7 +40,7 @@ static struct platform_device iic_device = {
};
static struct r8a66597_platdata r8a66597_data = {
- /* This set zero to all members */
+ .on_chip = 1,
};
static struct resource usb_host_resources[] = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
index e1bb80b2a27b..28516499a2c4 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
@@ -398,7 +398,7 @@ static struct platform_device rtc_device = {
};
static struct r8a66597_platdata r8a66597_data = {
- /* This set zero to all members */
+ .on_chip = 1,
};
static struct resource sh7723_usb_host_resources[] = {
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 1a920c70b5a1..f21ca7d27a43 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -336,13 +336,6 @@ config USB_R8A66597_HCD
To compile this driver as a module, choose M here: the
module will be called r8a66597-hcd.
-config SUPERH_ON_CHIP_R8A66597
- boolean "Enable SuperH on-chip R8A66597 USB"
- depends on USB_R8A66597_HCD && (CPU_SUBTYPE_SH7366 || CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7724)
- help
- This driver enables support for the on-chip R8A66597 in the
- SH7366, SH7723 and SH7724 processors.
-
config USB_WHCI_HCD
tristate "Wireless USB Host Controller Interface (WHCI) driver (EXPERIMENTAL)"
depends on EXPERIMENTAL
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 09895a97c10b..82dce3e0d4d7 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -91,43 +91,43 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
u16 tmp;
int i = 0;
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
-#if defined(CONFIG_HAVE_CLK)
- clk_enable(r8a66597->clk);
+ if (r8a66597->pdata->on_chip) {
+#ifdef CONFIG_HAVE_CLK
+ clk_enable(r8a66597->clk);
#endif
- do {
- r8a66597_write(r8a66597, SCKE, SYSCFG0);
- tmp = r8a66597_read(r8a66597, SYSCFG0);
- if (i++ > 1000) {
- printk(KERN_ERR "r8a66597: register access fail.\n");
- return -ENXIO;
- }
- } while ((tmp & SCKE) != SCKE);
- r8a66597_write(r8a66597, 0x04, 0x02);
-#else
- do {
- r8a66597_write(r8a66597, USBE, SYSCFG0);
- tmp = r8a66597_read(r8a66597, SYSCFG0);
- if (i++ > 1000) {
- printk(KERN_ERR "r8a66597: register access fail.\n");
- return -ENXIO;
- }
- } while ((tmp & USBE) != USBE);
- r8a66597_bclr(r8a66597, USBE, SYSCFG0);
- r8a66597_mdfy(r8a66597, get_xtal_from_pdata(r8a66597->pdata), XTAL,
- SYSCFG0);
+ do {
+ r8a66597_write(r8a66597, SCKE, SYSCFG0);
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (i++ > 1000) {
+ printk(KERN_ERR "r8a66597: reg access fail.\n");
+ return -ENXIO;
+ }
+ } while ((tmp & SCKE) != SCKE);
+ r8a66597_write(r8a66597, 0x04, 0x02);
+ } else {
+ do {
+ r8a66597_write(r8a66597, USBE, SYSCFG0);
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (i++ > 1000) {
+ printk(KERN_ERR "r8a66597: reg access fail.\n");
+ return -ENXIO;
+ }
+ } while ((tmp & USBE) != USBE);
+ r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+ r8a66597_mdfy(r8a66597, get_xtal_from_pdata(r8a66597->pdata),
+ XTAL, SYSCFG0);
- i = 0;
- r8a66597_bset(r8a66597, XCKE, SYSCFG0);
- do {
- msleep(1);
- tmp = r8a66597_read(r8a66597, SYSCFG0);
- if (i++ > 500) {
- printk(KERN_ERR "r8a66597: register access fail.\n");
- return -ENXIO;
- }
- } while ((tmp & SCKE) != SCKE);
-#endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
+ i = 0;
+ r8a66597_bset(r8a66597, XCKE, SYSCFG0);
+ do {
+ msleep(1);
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (i++ > 500) {
+ printk(KERN_ERR "r8a66597: reg access fail.\n");
+ return -ENXIO;
+ }
+ } while ((tmp & SCKE) != SCKE);
+ }
return 0;
}
@@ -136,15 +136,16 @@ static void r8a66597_clock_disable(struct r8a66597 *r8a66597)
{
r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
udelay(1);
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
-#if defined(CONFIG_HAVE_CLK)
- clk_disable(r8a66597->clk);
-#endif
-#else
- r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
- r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
- r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+
+ if (r8a66597->pdata->on_chip) {
+#ifdef CONFIG_HAVE_CLK
+ clk_disable(r8a66597->clk);
#endif
+ } else {
+ r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
+ r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
+ r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+ }
}
static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
@@ -205,7 +206,7 @@ static int enable_controller(struct r8a66597 *r8a66597)
r8a66597_bset(r8a66597, SIGNE | SACKE, INTENB1);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
+ for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_enable_port(r8a66597, port);
return 0;
@@ -218,7 +219,7 @@ static void disable_controller(struct r8a66597 *r8a66597)
r8a66597_write(r8a66597, 0, INTENB0);
r8a66597_write(r8a66597, 0, INTSTS0);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
+ for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_disable_port(r8a66597, port);
r8a66597_clock_disable(r8a66597);
@@ -249,11 +250,12 @@ static int is_hub_limit(char *devpath)
return ((strlen(devpath) >= 4) ? 1 : 0);
}
-static void get_port_number(char *devpath, u16 *root_port, u16 *hub_port)
+static void get_port_number(struct r8a66597 *r8a66597,
+ char *devpath, u16 *root_port, u16 *hub_port)
{
if (root_port) {
*root_port = (devpath[0] & 0x0F) - 1;
- if (*root_port >= R8A66597_MAX_ROOT_HUB)
+ if (*root_port >= r8a66597->max_root_hub)
printk(KERN_ERR "r8a66597: Illegal root port number.\n");
}
if (hub_port)
@@ -355,7 +357,8 @@ static int make_r8a66597_device(struct r8a66597 *r8a66597,
INIT_LIST_HEAD(&dev->device_list);
list_add_tail(&dev->device_list, &r8a66597->child_device);
- get_port_number(urb->dev->devpath, &dev->root_port, &dev->hub_port);
+ get_port_number(r8a66597, urb->dev->devpath,
+ &dev->root_port, &dev->hub_port);
if (!is_child_device(urb->dev->devpath))
r8a66597->root_hub[dev->root_port].dev = dev;
@@ -420,7 +423,7 @@ static void free_usb_address(struct r8a66597 *r8a66597,
list_del(&dev->device_list);
kfree(dev);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ for (port = 0; port < r8a66597->max_root_hub; port++) {
if (r8a66597->root_hub[port].dev == dev) {
r8a66597->root_hub[port].dev = NULL;
break;
@@ -495,10 +498,20 @@ static void r8a66597_pipe_toggle(struct r8a66597 *r8a66597,
r8a66597_bset(r8a66597, SQCLR, pipe->pipectr);
}
+static inline unsigned short mbw_value(struct r8a66597 *r8a66597)
+{
+ if (r8a66597->pdata->on_chip)
+ return MBW_32;
+ else
+ return MBW_16;
+}
+
/* this function must be called with interrupt disabled */
static inline void cfifo_change(struct r8a66597 *r8a66597, u16 pipenum)
{
- r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
+ unsigned short mbw = mbw_value(r8a66597);
+
+ r8a66597_mdfy(r8a66597, mbw | pipenum, mbw | CURPIPE, CFIFOSEL);
r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
}
@@ -506,11 +519,13 @@ static inline void cfifo_change(struct r8a66597 *r8a66597, u16 pipenum)
static inline void fifo_change_from_pipe(struct r8a66597 *r8a66597,
struct r8a66597_pipe *pipe)
{
+ unsigned short mbw = mbw_value(r8a66597);
+
cfifo_change(r8a66597, 0);
- r8a66597_mdfy(r8a66597, MBW | 0, MBW | CURPIPE, D0FIFOSEL);
- r8a66597_mdfy(r8a66597, MBW | 0, MBW | CURPIPE, D1FIFOSEL);
+ r8a66597_mdfy(r8a66597, mbw | 0, mbw | CURPIPE, D0FIFOSEL);
+ r8a66597_mdfy(r8a66597, mbw | 0, mbw | CURPIPE, D1FIFOSEL);
- r8a66597_mdfy(r8a66597, MBW | pipe->info.pipenum, MBW | CURPIPE,
+ r8a66597_mdfy(r8a66597, mbw | pipe->info.pipenum, mbw | CURPIPE,
pipe->fifosel);
r8a66597_reg_wait(r8a66597, pipe->fifosel, CURPIPE, pipe->info.pipenum);
}
@@ -742,9 +757,13 @@ static void enable_r8a66597_pipe_dma(struct r8a66597 *r8a66597,
struct r8a66597_pipe *pipe,
struct urb *urb)
{
-#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
int i;
struct r8a66597_pipe_info *info = &pipe->info;
+ unsigned short mbw = mbw_value(r8a66597);
+
+ /* pipe dma is only for external controlles */
+ if (r8a66597->pdata->on_chip)
+ return;
if ((pipe->info.pipenum != 0) && (info->type != R8A66597_INT)) {
for (i = 0; i < R8A66597_MAX_DMA_CHANNEL; i++) {
@@ -763,8 +782,8 @@ static void enable_r8a66597_pipe_dma(struct r8a66597 *r8a66597,
set_pipe_reg_addr(pipe, i);
cfifo_change(r8a66597, 0);
- r8a66597_mdfy(r8a66597, MBW | pipe->info.pipenum,
- MBW | CURPIPE, pipe->fifosel);
+ r8a66597_mdfy(r8a66597, mbw | pipe->info.pipenum,
+ mbw | CURPIPE, pipe->fifosel);
r8a66597_reg_wait(r8a66597, pipe->fifosel, CURPIPE,
pipe->info.pipenum);
@@ -772,7 +791,6 @@ static void enable_r8a66597_pipe_dma(struct r8a66597 *r8a66597,
break;
}
}
-#endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
}
/* this function must be called with interrupt disabled */
@@ -1769,7 +1787,7 @@ static void r8a66597_timer(unsigned long _r8a66597)
spin_lock_irqsave(&r8a66597->lock, flags);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
+ for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_root_hub_control(r8a66597, port);
spin_unlock_irqrestore(&r8a66597->lock, flags);
@@ -1807,7 +1825,7 @@ static void set_address_zero(struct r8a66597 *r8a66597, struct urb *urb)
u16 root_port, hub_port;
if (usb_address == 0) {
- get_port_number(urb->dev->devpath,
+ get_port_number(r8a66597, urb->dev->devpath,
&root_port, &hub_port);
set_devadd_reg(r8a66597, 0,
get_r8a66597_usb_speed(urb->dev->speed),
@@ -2082,7 +2100,7 @@ static int r8a66597_hub_status_data(struct usb_hcd *hcd, char *buf)
*buf = 0; /* initialize (no change) */
- for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++) {
+ for (i = 0; i < r8a66597->max_root_hub; i++) {
if (r8a66597->root_hub[i].port & 0xffff0000)
*buf |= 1 << (i + 1);
}
@@ -2097,11 +2115,11 @@ static void r8a66597_hub_descriptor(struct r8a66597 *r8a66597,
{
desc->bDescriptorType = 0x29;
desc->bHubContrCurrent = 0;
- desc->bNbrPorts = R8A66597_MAX_ROOT_HUB;
+ desc->bNbrPorts = r8a66597->max_root_hub;
desc->bDescLength = 9;
desc->bPwrOn2PwrGood = 0;
desc->wHubCharacteristics = cpu_to_le16(0x0011);
- desc->bitmap[0] = ((1 << R8A66597_MAX_ROOT_HUB) - 1) << 1;
+ desc->bitmap[0] = ((1 << r8a66597->max_root_hub) - 1) << 1;
desc->bitmap[1] = ~0;
}
@@ -2129,7 +2147,7 @@ static int r8a66597_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
}
break;
case ClearPortFeature:
- if (wIndex > R8A66597_MAX_ROOT_HUB)
+ if (wIndex > r8a66597->max_root_hub)
goto error;
if (wLength != 0)
goto error;
@@ -2162,12 +2180,12 @@ static int r8a66597_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
*buf = 0x00;
break;
case GetPortStatus:
- if (wIndex > R8A66597_MAX_ROOT_HUB)
+ if (wIndex > r8a66597->max_root_hub)
goto error;
*(__le32 *)buf = cpu_to_le32(rh->port);
break;
case SetPortFeature:
- if (wIndex > R8A66597_MAX_ROOT_HUB)
+ if (wIndex > r8a66597->max_root_hub)
goto error;
if (wLength != 0)
goto error;
@@ -2216,7 +2234,7 @@ static int r8a66597_bus_suspend(struct usb_hcd *hcd)
dbg("%s", __func__);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ for (port = 0; port < r8a66597->max_root_hub; port++) {
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
unsigned long dvstctr_reg = get_dvstctr_reg(port);
@@ -2247,7 +2265,7 @@ static int r8a66597_bus_resume(struct usb_hcd *hcd)
dbg("%s", __func__);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ for (port = 0; port < r8a66597->max_root_hub; port++) {
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
unsigned long dvstctr_reg = get_dvstctr_reg(port);
@@ -2314,7 +2332,7 @@ static int r8a66597_suspend(struct device *dev)
disable_controller(r8a66597);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ for (port = 0; port < r8a66597->max_root_hub; port++) {
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
rh->port = 0x00000000;
@@ -2354,8 +2372,9 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev)
del_timer_sync(&r8a66597->rh_timer);
usb_remove_hcd(hcd);
iounmap((void *)r8a66597->reg);
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
- clk_put(r8a66597->clk);
+#ifdef CONFIG_HAVE_CLK
+ if (r8a66597->pdata->on_chip)
+ clk_put(r8a66597->clk);
#endif
usb_put_hcd(hcd);
return 0;
@@ -2363,7 +2382,7 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev)
static int __devinit r8a66597_probe(struct platform_device *pdev)
{
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
char clk_name[8];
#endif
struct resource *res = NULL, *ires;
@@ -2425,15 +2444,20 @@ static int __devinit r8a66597_probe(struct platform_device *pdev)
r8a66597->pdata = pdev->dev.platform_data;
r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW;
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
- snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id);
- r8a66597->clk = clk_get(&pdev->dev, clk_name);
- if (IS_ERR(r8a66597->clk)) {
- dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
- ret = PTR_ERR(r8a66597->clk);
- goto clean_up2;
- }
+ if (r8a66597->pdata->on_chip) {
+#ifdef CONFIG_HAVE_CLK
+ snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id);
+ r8a66597->clk = clk_get(&pdev->dev, clk_name);
+ if (IS_ERR(r8a66597->clk)) {
+ dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
+ clk_name);
+ ret = PTR_ERR(r8a66597->clk);
+ goto clean_up2;
+ }
#endif
+ r8a66597->max_root_hub = 1;
+ } else
+ r8a66597->max_root_hub = 2;
spin_lock_init(&r8a66597->lock);
init_timer(&r8a66597->rh_timer);
@@ -2463,8 +2487,9 @@ static int __devinit r8a66597_probe(struct platform_device *pdev)
return 0;
clean_up3:
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
- clk_put(r8a66597->clk);
+#ifdef CONFIG_HAVE_CLK
+ if (r8a66597->pdata->on_chip)
+ clk_put(r8a66597->clk);
clean_up2:
#endif
usb_put_hcd(hcd);
diff --git a/drivers/usb/host/r8a66597.h b/drivers/usb/host/r8a66597.h
index d72680b433f9..eecbd917bc81 100644
--- a/drivers/usb/host/r8a66597.h
+++ b/drivers/usb/host/r8a66597.h
@@ -26,7 +26,7 @@
#ifndef __R8A66597_H__
#define __R8A66597_H__
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
#include <linux/clk.h>
#endif
@@ -193,13 +193,9 @@
#define REW 0x4000 /* b14: Buffer rewind */
#define DCLRM 0x2000 /* b13: DMA buffer clear mode */
#define DREQE 0x1000 /* b12: DREQ output enable */
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
-#define MBW 0x0800
-#else
-#define MBW 0x0400 /* b10: Maximum bit width for FIFO access */
-#endif
#define MBW_8 0x0000 /* 8bit */
#define MBW_16 0x0400 /* 16bit */
+#define MBW_32 0x0800 /* 32bit */
#define BIGEND 0x0100 /* b8: Big endian mode */
#define BYTE_LITTLE 0x0000 /* little dendian */
#define BYTE_BIG 0x0100 /* big endifan */
@@ -405,11 +401,7 @@
#define R8A66597_MAX_NUM_PIPE 10
#define R8A66597_BUF_BSIZE 8
#define R8A66597_MAX_DEVICE 10
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
-#define R8A66597_MAX_ROOT_HUB 1
-#else
#define R8A66597_MAX_ROOT_HUB 2
-#endif
#define R8A66597_MAX_SAMPLING 5
#define R8A66597_RH_POLL_TIME 10
#define R8A66597_MAX_DMA_CHANNEL 2
@@ -487,7 +479,7 @@ struct r8a66597_root_hub {
struct r8a66597 {
spinlock_t lock;
unsigned long reg;
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
struct clk *clk;
#endif
struct r8a66597_platdata *pdata;
@@ -504,6 +496,7 @@ struct r8a66597 {
unsigned short interval_map;
unsigned char pipe_cnt[R8A66597_MAX_NUM_PIPE];
unsigned char dma_map;
+ unsigned int max_root_hub;
struct list_head child_device;
unsigned long child_connect_map[4];
@@ -550,21 +543,22 @@ static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597,
unsigned long offset, u16 *buf,
int len)
{
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
unsigned long fifoaddr = r8a66597->reg + offset;
unsigned long count;
- count = len / 4;
- insl(fifoaddr, buf, count);
+ if (r8a66597->pdata->on_chip) {
+ count = len / 4;
+ insl(fifoaddr, buf, count);
- if (len & 0x00000003) {
- unsigned long tmp = inl(fifoaddr);
- memcpy((unsigned char *)buf + count * 4, &tmp, len & 0x03);
+ if (len & 0x00000003) {
+ unsigned long tmp = inl(fifoaddr);
+ memcpy((unsigned char *)buf + count * 4, &tmp,
+ len & 0x03);
+ }
+ } else {
+ len = (len + 1) / 2;
+ insw(fifoaddr, buf, len);
}
-#else
- len = (len + 1) / 2;
- insw(r8a66597->reg + offset, buf, len);
-#endif
}
static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
@@ -578,33 +572,33 @@ static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
int len)
{
unsigned long fifoaddr = r8a66597->reg + offset;
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
unsigned long count;
unsigned char *pb;
int i;
- count = len / 4;
- outsl(fifoaddr, buf, count);
+ if (r8a66597->pdata->on_chip) {
+ count = len / 4;
+ outsl(fifoaddr, buf, count);
+
+ if (len & 0x00000003) {
+ pb = (unsigned char *)buf + count * 4;
+ for (i = 0; i < (len & 0x00000003); i++) {
+ if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
+ outb(pb[i], fifoaddr + i);
+ else
+ outb(pb[i], fifoaddr + 3 - i);
+ }
+ }
+ } else {
+ int odd = len & 0x0001;
- if (len & 0x00000003) {
- pb = (unsigned char *)buf + count * 4;
- for (i = 0; i < (len & 0x00000003); i++) {
- if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
- outb(pb[i], fifoaddr + i);
- else
- outb(pb[i], fifoaddr + 3 - i);
+ len = len / 2;
+ outsw(fifoaddr, buf, len);
+ if (unlikely(odd)) {
+ buf = &buf[len];
+ outb((unsigned char)*buf, fifoaddr);
}
}
-#else
- int odd = len & 0x0001;
-
- len = len / 2;
- outsw(fifoaddr, buf, len);
- if (unlikely(odd)) {
- buf = &buf[len];
- outb((unsigned char)*buf, fifoaddr);
- }
-#endif
}
static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
diff --git a/include/linux/usb/r8a66597.h b/include/linux/usb/r8a66597.h
index e9f0384fa20c..460ee3f6a2c6 100644
--- a/include/linux/usb/r8a66597.h
+++ b/include/linux/usb/r8a66597.h
@@ -31,6 +31,9 @@ struct r8a66597_platdata {
/* This ops can controll port power instead of DVSTCTR register. */
void (*port_power)(int port, int power);
+ /* set one = on chip controller, set zero = external controller */
+ unsigned on_chip:1;
+
/* (external controller only) set R8A66597_PLATDATA_XTAL_nnMHZ */
unsigned xtal:2;
--
GitLab
From 6bde607e699b9f3c6fa5e4a97d78c7778e643b3d Mon Sep 17 00:00:00 2001
From: Tim Abbott <tabbott@ksplice.com>
Date: Mon, 20 Jul 2009 23:30:24 +0900
Subject: [PATCH 059/742] sh: Clean up linker script using new BSS_SECTION
macro.
Updated to use the fixed BSS linker script macros from this
thread:
http://www.spinics.net/lists/kernel/msg913238.html
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/vmlinux.lds.S | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index 674ed8feb8ae..80dc9f8d9412 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -93,8 +93,7 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
__init_end = .;
- BSS(PAGE_SIZE)
- . = ALIGN(4);
+ BSS_SECTION(0, PAGE_SIZE, 4)
_ebss = .; /* uClinux MTD sucks */
_end = . ;
--
GitLab
From ef9b542fce00dafc6bb1d9097b045a777f4a2382 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Jul 2009 17:24:36 +0900
Subject: [PATCH 060/742] sh: bzip2/lzma uImage support.
This builds on the bzip2/lzma zImage support change and wires it up for
uImages. Based on the blackfin implementation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Makefile | 15 ++++++++----
arch/sh/boot/.gitignore | 5 ++--
arch/sh/boot/Makefile | 39 +++++++++++++++++++++++---------
arch/sh/boot/compressed/Makefile | 4 ----
4 files changed, 40 insertions(+), 23 deletions(-)
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 75d049b03f7e..2aba73eccb31 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -189,14 +189,16 @@ KBUILD_AFLAGS += $(cflags-y)
libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
-PHONY += maketools FORCE
+BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.srec \
+ zImage vmlinux.srec
+PHONY += maketools $(BOOT_TARGETS) FORCE
maketools: include/linux/version.h FORCE
$(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
all: $(KBUILD_IMAGE)
-zImage uImage uImage.srec vmlinux.srec: vmlinux
+$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
compressed: zImage
@@ -208,10 +210,13 @@ archclean:
$(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
define archhelp
- @echo '* zImage - Compressed kernel image'
+ @echo ' zImage - Compressed kernel image'
@echo ' vmlinux.srec - Create an ELF S-record'
- @echo ' uImage - Create a bootable image for U-Boot'
- @echo ' uImage.srec - Create an S-record for U-Boot'
+ @echo '* uImage - Alias to bootable U-Boot image'
+ @echo ' uImage.srec - Create an S-record for U-Boot'
+ @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
+ @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
+ @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
endef
CLEAN_FILES += include/asm-sh/machtypes.h
diff --git a/arch/sh/boot/.gitignore b/arch/sh/boot/.gitignore
index aad5edddf93b..541087d2029c 100644
--- a/arch/sh/boot/.gitignore
+++ b/arch/sh/boot/.gitignore
@@ -1,4 +1,3 @@
zImage
-vmlinux.srec
-uImage
-uImage.srec
+vmlinux*
+uImage*
diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index 78efb04c28f3..dd2a852041e9 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -20,7 +20,12 @@ CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000
CONFIG_ENTRY_OFFSET ?= 0x00001000
-targets := zImage vmlinux.srec uImage uImage.srec
+suffix-$(CONFIG_KERNEL_GZIP) := gz
+suffix-$(CONFIG_KERNEL_BZIP2) := bz2
+suffix-$(CONFIG_KERNEL_LZMA) := lzma
+
+targets := zImage vmlinux.srec uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma
+extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma
subdir- := compressed
$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
@@ -40,9 +45,6 @@ KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
$$[$(CONFIG_MEMORY_START)]')
endif
-export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
- CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY
-
KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \
$$[$(CONFIG_PAGE_OFFSET) + \
$(KERNEL_MEMORY) + \
@@ -55,19 +57,30 @@ KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \
quiet_cmd_uimage = UIMAGE $@
cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
- -C gzip -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
+ -C $(2) -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
-n 'Linux-$(KERNELRELEASE)' -d $< $@
-$(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE
- $(call if_changed,uimage)
- @echo ' Image $@ is ready'
-
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,gzip)
+$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
+ $(call if_changed,bzip2)
+
+$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
+ $(call if_changed,lzma)
+
+$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2
+ $(call if_changed,uimage,bzip2)
+
+$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
+ $(call if_changed,uimage,gzip)
+
+$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
+ $(call if_changed,uimage,lzma)
+
OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
$(call if_changed,objcopy)
@@ -76,5 +89,9 @@ OBJCOPYFLAGS_uImage.srec := -I binary -O srec
$(obj)/uImage.srec: $(obj)/uImage
$(call if_changed,objcopy)
-clean-files += uImage uImage.srec vmlinux.srec \
- vmlinux.bin vmlinux.bin.gz
+$(obj)/uImage: $(obj)/uImage.$(suffix-y)
+ @ln -sf $(notdir $<) $@
+ @echo ' Image $@ is ready'
+
+export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
+ CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY suffix-y
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 3324019e207e..b31618e9e8c8 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -48,10 +48,6 @@ $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
$(call if_changed,lzma)
-suffix-$(CONFIG_KERNEL_GZIP) := gz
-suffix-$(CONFIG_KERNEL_BZIP2) := bz2
-suffix-$(CONFIG_KERNEL_LZMA) := lzma
-
OBJCOPYFLAGS += -R .empty_zero_page
LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
--
GitLab
From c0b96cf639aa1bfa8983f734d4225091aa813e00 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 22 Jul 2009 16:50:57 +0900
Subject: [PATCH 061/742] sh: Provide _PAGE_SPECIAL for 32-bit.
Allocate one of the unused PTE bits for _PAGE_SPECIAL directly. This is
prep work for fast gup and the zero page revival.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/pgtable_32.h | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h
index 72ea209195bd..0db19db913c7 100644
--- a/arch/sh/include/asm/pgtable_32.h
+++ b/arch/sh/include/asm/pgtable_32.h
@@ -20,7 +20,7 @@
* - Bit 9 is reserved by everyone and used by _PAGE_PROTNONE.
*
* - Bits 10 and 11 are low bits of the PPN that are reserved on >= 4K pages.
- * Bit 10 is used for _PAGE_ACCESSED, bit 11 remains unused.
+ * Bit 10 is used for _PAGE_ACCESSED, and bit 11 is used for _PAGE_SPECIAL.
*
* - On 29 bit platforms, bits 31 to 29 are used for the space attributes
* and timing control which (together with bit 0) are moved into the
@@ -52,6 +52,7 @@
#define _PAGE_PROTNONE 0x200 /* software: if not present */
#define _PAGE_ACCESSED 0x400 /* software: page referenced */
#define _PAGE_FILE _PAGE_WT /* software: pagecache or swap? */
+#define _PAGE_SPECIAL 0x800 /* software: special page */
#define _PAGE_SZ_MASK (_PAGE_SZ0 | _PAGE_SZ1)
#define _PAGE_PR_MASK (_PAGE_RW | _PAGE_USER)
@@ -148,8 +149,12 @@
# define _PAGE_SZHUGE (_PAGE_FLAGS_HARD)
#endif
+/*
+ * Mask of bits that are to be preserved accross pgprot changes.
+ */
#define _PAGE_CHG_MASK \
- (PTE_MASK | _PAGE_ACCESSED | _PAGE_CACHABLE | _PAGE_DIRTY)
+ (PTE_MASK | _PAGE_ACCESSED | _PAGE_CACHABLE | \
+ _PAGE_DIRTY | _PAGE_SPECIAL)
#ifndef __ASSEMBLY__
@@ -328,7 +333,7 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
#define pte_dirty(pte) ((pte).pte_low & _PAGE_DIRTY)
#define pte_young(pte) ((pte).pte_low & _PAGE_ACCESSED)
#define pte_file(pte) ((pte).pte_low & _PAGE_FILE)
-#define pte_special(pte) (0)
+#define pte_special(pte) ((pte).pte_low & _PAGE_SPECIAL)
#ifdef CONFIG_X2TLB
#define pte_write(pte) ((pte).pte_high & _PAGE_EXT_USER_WRITE)
@@ -358,8 +363,9 @@ PTE_BIT_FUNC(low, mkclean, &= ~_PAGE_DIRTY);
PTE_BIT_FUNC(low, mkdirty, |= _PAGE_DIRTY);
PTE_BIT_FUNC(low, mkold, &= ~_PAGE_ACCESSED);
PTE_BIT_FUNC(low, mkyoung, |= _PAGE_ACCESSED);
+PTE_BIT_FUNC(low, mkspecial, |= _PAGE_SPECIAL);
-static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
+#define __HAVE_ARCH_PTE_SPECIAL
/*
* Macro and implementation to make a page protection as uncachable.
--
GitLab
From 2277ab4a1df50e05bc732fe9488d4e902bb8399a Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 22 Jul 2009 19:20:49 +0900
Subject: [PATCH 062/742] sh: Migrate from PG_mapped to PG_dcache_dirty.
This inverts the delayed dcache flush a bit to be more in line with other
platforms. At the same time this also gives us the ability to do some
more optimizations and cleanup. Now that the update_mmu_cache() callsite
only tests for the bit, the implementation can gradually be split out and
made generic, rather than relying on special implementations for each of
the peculiar CPU types.
SH7705 in 32kB mode and SH-4 still need slightly different handling, but
this is something that can remain isolated in the varying page copy/clear
routines. On top of that, SH-X3 is dcache coherent, so there is no need
to bother with any of these tests in the PTEAEX version of
update_mmu_cache(), so we kill that off too.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/page.h | 6 ++
arch/sh/include/asm/pgtable.h | 7 ---
arch/sh/include/cpu-sh3/cpu/cacheflush.h | 5 +-
arch/sh/include/cpu-sh4/cpu/cacheflush.h | 2 +-
arch/sh/mm/cache-sh4.c | 10 +++-
arch/sh/mm/cache-sh7705.c | 7 ++-
arch/sh/mm/pg-sh4.c | 74 ++++++++++--------------
arch/sh/mm/pg-sh7705.c | 52 +++--------------
arch/sh/mm/tlb-pteaex.c | 17 ------
arch/sh/mm/tlb-sh3.c | 20 +++----
arch/sh/mm/tlb-sh4.c | 23 ++++----
11 files changed, 81 insertions(+), 142 deletions(-)
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 49592c780a6e..a31ab40040f0 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -50,6 +50,12 @@ extern unsigned long shm_align_mask;
extern unsigned long max_low_pfn, min_low_pfn;
extern unsigned long memory_start, memory_end;
+static inline unsigned long
+pages_do_alias(unsigned long addr1, unsigned long addr2)
+{
+ return (addr1 ^ addr2) & shm_align_mask;
+}
+
extern void clear_page(void *to);
extern void copy_page(void *to, void *from);
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index 2a011b18090b..d9f68f9c3cb3 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -133,13 +133,6 @@ typedef pte_t *pte_addr_t;
*/
#define pgtable_cache_init() do { } while (0)
-#if !defined(CONFIG_CACHE_OFF) && (defined(CONFIG_CPU_SH4) || \
- defined(CONFIG_SH7705_CACHE_32KB))
-struct mm_struct;
-#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
-pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
-#endif
-
struct vm_area_struct;
extern void update_mmu_cache(struct vm_area_struct * vma,
unsigned long address, pte_t pte);
diff --git a/arch/sh/include/cpu-sh3/cpu/cacheflush.h b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
index 1ac27aae6700..6485ad5649ad 100644
--- a/arch/sh/include/cpu-sh3/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
@@ -15,10 +15,7 @@
* SH4. Unlike the SH4 this is a unified cache so we need to do some work
* in mmap when 'exec'ing a new binary
*/
- /* 32KB cache, 4kb PAGE sizes need to check bit 12 */
-#define CACHE_ALIAS 0x00001000
-
-#define PG_mapped PG_arch_1
+#define PG_dcache_dirty PG_arch_1
void flush_cache_all(void);
void flush_cache_mm(struct mm_struct *mm);
diff --git a/arch/sh/include/cpu-sh4/cpu/cacheflush.h b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
index 065306d376eb..3564f1722195 100644
--- a/arch/sh/include/cpu-sh4/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
@@ -38,6 +38,6 @@ void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
/* Initialization of P3 area for copy_user_page */
void p3_cache_init(void);
-#define PG_mapped PG_arch_1
+#define PG_dcache_dirty PG_arch_1
#endif /* __ASM_CPU_SH4_CACHEFLUSH_H */
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 5cfe08dbb59e..c3a09b27f8d5 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -14,6 +14,7 @@
#include <linux/mm.h>
#include <linux/io.h>
#include <linux/mutex.h>
+#include <linux/fs.h>
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
@@ -246,7 +247,14 @@ static inline void flush_cache_4096(unsigned long start,
*/
void flush_dcache_page(struct page *page)
{
- if (test_bit(PG_mapped, &page->flags)) {
+ struct address_space *mapping = page_mapping(page);
+
+#ifndef CONFIG_SMP
+ if (mapping && !mapping_mapped(mapping))
+ set_bit(PG_dcache_dirty, &page->flags);
+ else
+#endif
+ {
unsigned long phys = PHYSADDR(page_address(page));
unsigned long addr = CACHE_OC_ADDRESS_ARRAY;
int i, n;
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index 22dacc778823..fa37bff306b9 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/mman.h>
#include <linux/mm.h>
+#include <linux/fs.h>
#include <linux/threads.h>
#include <asm/addrspace.h>
#include <asm/page.h>
@@ -128,7 +129,11 @@ static void __uses_jump_to_uncached __flush_dcache_page(unsigned long phys)
*/
void flush_dcache_page(struct page *page)
{
- if (test_bit(PG_mapped, &page->flags))
+ struct address_space *mapping = page_mapping(page);
+
+ if (mapping && !mapping_mapped(mapping))
+ set_bit(PG_dcache_dirty, &page->flags);
+ else
__flush_dcache_page(PHYSADDR(page_address(page)));
}
diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c
index 2fe14da1f839..f3c4b2a54fc7 100644
--- a/arch/sh/mm/pg-sh4.c
+++ b/arch/sh/mm/pg-sh4.c
@@ -15,8 +15,6 @@
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
-#define CACHE_ALIAS (current_cpu_data.dcache.alias_mask)
-
#define kmap_get_fixmap_pte(vaddr) \
pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), (vaddr))
@@ -68,10 +66,9 @@ static inline void kunmap_coherent(struct page *page)
*/
void clear_user_page(void *to, unsigned long address, struct page *page)
{
- __set_bit(PG_mapped, &page->flags);
-
clear_page(to);
- if ((((address & PAGE_MASK) ^ (unsigned long)to) & CACHE_ALIAS))
+
+ if (pages_do_alias((unsigned long)to, address & PAGE_MASK))
__flush_wback_region(to, PAGE_SIZE);
}
@@ -79,13 +76,14 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
- void *vto;
-
- __set_bit(PG_mapped, &page->flags);
-
- vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
- memcpy(vto, src, len);
- kunmap_coherent(vto);
+ if (page_mapped(page) && !test_bit(PG_dcache_dirty, &page->flags)) {
+ void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
+ memcpy(vto, src, len);
+ kunmap_coherent(vto);
+ } else {
+ memcpy(dst, src, len);
+ set_bit(PG_dcache_dirty, &page->flags);
+ }
if (vma->vm_flags & VM_EXEC)
flush_cache_page(vma, vaddr, page_to_pfn(page));
@@ -95,13 +93,14 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
- void *vfrom;
-
- __set_bit(PG_mapped, &page->flags);
-
- vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
- memcpy(dst, vfrom, len);
- kunmap_coherent(vfrom);
+ if (page_mapped(page) && !test_bit(PG_dcache_dirty, &page->flags)) {
+ void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
+ memcpy(dst, vfrom, len);
+ kunmap_coherent(vfrom);
+ } else {
+ memcpy(dst, src, len);
+ set_bit(PG_dcache_dirty, &page->flags);
+ }
}
void copy_user_highpage(struct page *to, struct page *from,
@@ -109,14 +108,19 @@ void copy_user_highpage(struct page *to, struct page *from,
{
void *vfrom, *vto;
- __set_bit(PG_mapped, &to->flags);
-
vto = kmap_atomic(to, KM_USER1);
- vfrom = kmap_coherent(from, vaddr);
- copy_page(vto, vfrom);
- kunmap_coherent(vfrom);
- if (((vaddr ^ (unsigned long)vto) & CACHE_ALIAS))
+ if (page_mapped(from) && !test_bit(PG_dcache_dirty, &from->flags)) {
+ vfrom = kmap_coherent(from, vaddr);
+ copy_page(vto, vfrom);
+ kunmap_coherent(vfrom);
+ } else {
+ vfrom = kmap_atomic(from, KM_USER0);
+ copy_page(vto, vfrom);
+ kunmap_atomic(vfrom, KM_USER0);
+ }
+
+ if (pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
__flush_wback_region(vto, PAGE_SIZE);
kunmap_atomic(vto, KM_USER1);
@@ -124,23 +128,3 @@ void copy_user_highpage(struct page *to, struct page *from,
smp_wmb();
}
EXPORT_SYMBOL(copy_user_highpage);
-
-/*
- * For SH-4, we have our own implementation for ptep_get_and_clear
- */
-pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
- pte_t pte = *ptep;
-
- pte_clear(mm, addr, ptep);
- if (!pte_not_present(pte)) {
- unsigned long pfn = pte_pfn(pte);
- if (pfn_valid(pfn)) {
- struct page *page = pfn_to_page(pfn);
- struct address_space *mapping = page_mapping(page);
- if (!mapping || !mapping_writably_mapped(mapping))
- __clear_bit(PG_mapped, &page->flags);
- }
- }
- return pte;
-}
diff --git a/arch/sh/mm/pg-sh7705.c b/arch/sh/mm/pg-sh7705.c
index eaf25147194c..684891b5c8c0 100644
--- a/arch/sh/mm/pg-sh7705.c
+++ b/arch/sh/mm/pg-sh7705.c
@@ -26,7 +26,7 @@
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
-static inline void __flush_purge_virtual_region(void *p1, void *virt, int size)
+static void __flush_purge_virtual_region(void *p1, void *virt, int size)
{
unsigned long v;
unsigned long begin, end;
@@ -75,19 +75,13 @@ static inline void __flush_purge_virtual_region(void *p1, void *virt, int size)
*/
void clear_user_page(void *to, unsigned long address, struct page *pg)
{
- struct page *page = virt_to_page(to);
-
- __set_bit(PG_mapped, &page->flags);
- if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0) {
- clear_page(to);
- __flush_wback_region(to, PAGE_SIZE);
- } else {
+ if (pages_do_alias(address, (unsigned long)to))
__flush_purge_virtual_region(to,
(void *)(address & 0xfffff000),
PAGE_SIZE);
- clear_page(to);
- __flush_wback_region(to, PAGE_SIZE);
- }
+
+ clear_page(to);
+ __flush_wback_region(to, PAGE_SIZE);
}
/*
@@ -98,41 +92,11 @@ void clear_user_page(void *to, unsigned long address, struct page *pg)
*/
void copy_user_page(void *to, void *from, unsigned long address, struct page *pg)
{
- struct page *page = virt_to_page(to);
-
-
- __set_bit(PG_mapped, &page->flags);
- if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0) {
- copy_page(to, from);
- __flush_wback_region(to, PAGE_SIZE);
- } else {
+ if (pages_do_alias(address, (unsigned long)to))
__flush_purge_virtual_region(to,
(void *)(address & 0xfffff000),
PAGE_SIZE);
- copy_page(to, from);
- __flush_wback_region(to, PAGE_SIZE);
- }
-}
-/*
- * For SH7705, we have our own implementation for ptep_get_and_clear
- * Copied from pg-sh4.c
- */
-pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
- pte_t pte = *ptep;
-
- pte_clear(mm, addr, ptep);
- if (!pte_not_present(pte)) {
- unsigned long pfn = pte_pfn(pte);
- if (pfn_valid(pfn)) {
- struct page *page = pfn_to_page(pfn);
- struct address_space *mapping = page_mapping(page);
- if (!mapping || !mapping_writably_mapped(mapping))
- __clear_bit(PG_mapped, &page->flags);
- }
- }
-
- return pte;
+ copy_page(to, from);
+ __flush_wback_region(to, PAGE_SIZE);
}
-
diff --git a/arch/sh/mm/tlb-pteaex.c b/arch/sh/mm/tlb-pteaex.c
index 2aab3ea934d7..c39b77363352 100644
--- a/arch/sh/mm/tlb-pteaex.c
+++ b/arch/sh/mm/tlb-pteaex.c
@@ -27,23 +27,6 @@ void update_mmu_cache(struct vm_area_struct * vma,
if (vma && current->active_mm != vma->vm_mm)
return;
-#ifndef CONFIG_CACHE_OFF
- {
- unsigned long pfn = pte_pfn(pte);
-
- if (pfn_valid(pfn)) {
- struct page *page = pfn_to_page(pfn);
-
- if (!test_bit(PG_mapped, &page->flags)) {
- unsigned long phys = pte_val(pte) & PTE_PHYS_MASK;
- __flush_wback_region((void *)P1SEGADDR(phys),
- PAGE_SIZE);
- __set_bit(PG_mapped, &page->flags);
- }
- }
- }
-#endif
-
local_irq_save(flags);
/* Set PTEH register */
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index 17cb7c3adf22..9b8459c74abd 100644
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -33,25 +33,25 @@ void update_mmu_cache(struct vm_area_struct * vma,
unsigned long flags;
unsigned long pteval;
unsigned long vpn;
+ unsigned long pfn = pte_pfn(pte);
+ struct page *page;
/* Ptrace may call this routine. */
if (vma && current->active_mm != vma->vm_mm)
return;
+ page = pfn_to_page(pfn);
+ if (pfn_valid(pfn) && page_mapping(page)) {
#if defined(CONFIG_SH7705_CACHE_32KB)
- {
- struct page *page = pte_page(pte);
- unsigned long pfn = pte_pfn(pte);
+ int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags);
+ if (dirty) {
+ unsigned long addr = (unsigned long)page_address(page);
- if (pfn_valid(pfn) && !test_bit(PG_mapped, &page->flags)) {
- unsigned long phys = pte_val(pte) & PTE_PHYS_MASK;
-
- __flush_wback_region((void *)P1SEGADDR(phys),
- PAGE_SIZE);
- __set_bit(PG_mapped, &page->flags);
+ if (pages_do_alias(addr, address & PAGE_MASK))
+ __flush_wback_region((void *)addr, PAGE_SIZE);
}
- }
#endif
+ }
local_irq_save(flags);
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index f0c7b7397fa6..cf50082d2435 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -21,27 +21,26 @@ void update_mmu_cache(struct vm_area_struct * vma,
unsigned long flags;
unsigned long pteval;
unsigned long vpn;
+ unsigned long pfn = pte_pfn(pte);
+ struct page *page;
/* Ptrace may call this routine. */
if (vma && current->active_mm != vma->vm_mm)
return;
-#ifndef CONFIG_CACHE_OFF
- {
- unsigned long pfn = pte_pfn(pte);
+ page = pfn_to_page(pfn);
+ if (pfn_valid(pfn) && page_mapping(page)) {
+#ifndef CONFIG_SMP
+ int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags);
+ if (dirty) {
- if (pfn_valid(pfn)) {
- struct page *page = pfn_to_page(pfn);
+ unsigned long addr = (unsigned long)page_address(page);
- if (!test_bit(PG_mapped, &page->flags)) {
- unsigned long phys = pte_val(pte) & PTE_PHYS_MASK;
- __flush_wback_region((void *)P1SEGADDR(phys),
- PAGE_SIZE);
- __set_bit(PG_mapped, &page->flags);
- }
+ if (pages_do_alias(addr, address & PAGE_MASK))
+ __flush_wback_region((void *)addr, PAGE_SIZE);
}
- }
#endif
+ }
local_irq_save(flags);
--
GitLab
From fbd90375d7531927d312766b548376d909811b4d Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 22 Jul 2009 13:40:14 +0200
Subject: [PATCH 063/742] hrtimer: Remove cb_entry from struct hrtimer
It's unused, remove it.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
---
include/linux/hrtimer.h | 2 --
kernel/hrtimer.c | 1 -
2 files changed, 3 deletions(-)
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 54648e625efd..40e7d54fc424 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -91,7 +91,6 @@ enum hrtimer_restart {
* @function: timer expiry callback function
* @base: pointer to the timer base (per cpu and per clock)
* @state: state information (See bit values above)
- * @cb_entry: list head to enqueue an expired timer into the callback list
* @start_site: timer statistics field to store the site where the timer
* was started
* @start_comm: timer statistics field to store the name of the process which
@@ -108,7 +107,6 @@ struct hrtimer {
enum hrtimer_restart (*function)(struct hrtimer *);
struct hrtimer_clock_base *base;
unsigned long state;
- struct list_head cb_entry;
#ifdef CONFIG_TIMER_STATS
int start_pid;
void *start_site;
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 43d151f185b6..052a0f53e4eb 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1092,7 +1092,6 @@ static void __hrtimer_init(struct hrtimer *timer, clockid_t clock_id,
clock_id = CLOCK_MONOTONIC;
timer->base = &cpu_base->clock_base[clock_id];
- INIT_LIST_HEAD(&timer->cb_entry);
hrtimer_init_timer_hres(timer);
#ifdef CONFIG_TIMER_STATS
--
GitLab
From cf4f1e76c49dacfde0680b170b9a9b6a42f296bb Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 22 Jul 2009 14:32:03 +0000
Subject: [PATCH 064/742] usb: move r8a66597 register defines
Move r8a66597 hardware register definitions from the host
controller header file to the platform data header file.
With this change in place we can easily share register
definitions between the host controller driver and a future
gadget driver.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/usb/host/r8a66597.h | 366 ----------------------------------
include/linux/usb/r8a66597.h | 372 ++++++++++++++++++++++++++++++++++-
2 files changed, 370 insertions(+), 368 deletions(-)
diff --git a/drivers/usb/host/r8a66597.h b/drivers/usb/host/r8a66597.h
index eecbd917bc81..228e3fb23854 100644
--- a/drivers/usb/host/r8a66597.h
+++ b/drivers/usb/host/r8a66597.h
@@ -32,372 +32,6 @@
#include <linux/usb/r8a66597.h>
-#define SYSCFG0 0x00
-#define SYSCFG1 0x02
-#define SYSSTS0 0x04
-#define SYSSTS1 0x06
-#define DVSTCTR0 0x08
-#define DVSTCTR1 0x0A
-#define TESTMODE 0x0C
-#define PINCFG 0x0E
-#define DMA0CFG 0x10
-#define DMA1CFG 0x12
-#define CFIFO 0x14
-#define D0FIFO 0x18
-#define D1FIFO 0x1C
-#define CFIFOSEL 0x20
-#define CFIFOCTR 0x22
-#define CFIFOSIE 0x24
-#define D0FIFOSEL 0x28
-#define D0FIFOCTR 0x2A
-#define D1FIFOSEL 0x2C
-#define D1FIFOCTR 0x2E
-#define INTENB0 0x30
-#define INTENB1 0x32
-#define INTENB2 0x34
-#define BRDYENB 0x36
-#define NRDYENB 0x38
-#define BEMPENB 0x3A
-#define SOFCFG 0x3C
-#define INTSTS0 0x40
-#define INTSTS1 0x42
-#define INTSTS2 0x44
-#define BRDYSTS 0x46
-#define NRDYSTS 0x48
-#define BEMPSTS 0x4A
-#define FRMNUM 0x4C
-#define UFRMNUM 0x4E
-#define USBADDR 0x50
-#define USBREQ 0x54
-#define USBVAL 0x56
-#define USBINDX 0x58
-#define USBLENG 0x5A
-#define DCPCFG 0x5C
-#define DCPMAXP 0x5E
-#define DCPCTR 0x60
-#define PIPESEL 0x64
-#define PIPECFG 0x68
-#define PIPEBUF 0x6A
-#define PIPEMAXP 0x6C
-#define PIPEPERI 0x6E
-#define PIPE1CTR 0x70
-#define PIPE2CTR 0x72
-#define PIPE3CTR 0x74
-#define PIPE4CTR 0x76
-#define PIPE5CTR 0x78
-#define PIPE6CTR 0x7A
-#define PIPE7CTR 0x7C
-#define PIPE8CTR 0x7E
-#define PIPE9CTR 0x80
-#define PIPE1TRE 0x90
-#define PIPE1TRN 0x92
-#define PIPE2TRE 0x94
-#define PIPE2TRN 0x96
-#define PIPE3TRE 0x98
-#define PIPE3TRN 0x9A
-#define PIPE4TRE 0x9C
-#define PIPE4TRN 0x9E
-#define PIPE5TRE 0xA0
-#define PIPE5TRN 0xA2
-#define DEVADD0 0xD0
-#define DEVADD1 0xD2
-#define DEVADD2 0xD4
-#define DEVADD3 0xD6
-#define DEVADD4 0xD8
-#define DEVADD5 0xDA
-#define DEVADD6 0xDC
-#define DEVADD7 0xDE
-#define DEVADD8 0xE0
-#define DEVADD9 0xE2
-#define DEVADDA 0xE4
-
-/* System Configuration Control Register */
-#define XTAL 0xC000 /* b15-14: Crystal selection */
-#define XTAL48 0x8000 /* 48MHz */
-#define XTAL24 0x4000 /* 24MHz */
-#define XTAL12 0x0000 /* 12MHz */
-#define XCKE 0x2000 /* b13: External clock enable */
-#define PLLC 0x0800 /* b11: PLL control */
-#define SCKE 0x0400 /* b10: USB clock enable */
-#define PCSDIS 0x0200 /* b9: not CS wakeup */
-#define LPSME 0x0100 /* b8: Low power sleep mode */
-#define HSE 0x0080 /* b7: Hi-speed enable */
-#define DCFM 0x0040 /* b6: Controller function select */
-#define DRPD 0x0020 /* b5: D+/- pull down control */
-#define DPRPU 0x0010 /* b4: D+ pull up control */
-#define USBE 0x0001 /* b0: USB module operation enable */
-
-/* System Configuration Status Register */
-#define OVCBIT 0x8000 /* b15-14: Over-current bit */
-#define OVCMON 0xC000 /* b15-14: Over-current monitor */
-#define SOFEA 0x0020 /* b5: SOF monitor */
-#define IDMON 0x0004 /* b3: ID-pin monitor */
-#define LNST 0x0003 /* b1-0: D+, D- line status */
-#define SE1 0x0003 /* SE1 */
-#define FS_KSTS 0x0002 /* Full-Speed K State */
-#define FS_JSTS 0x0001 /* Full-Speed J State */
-#define LS_JSTS 0x0002 /* Low-Speed J State */
-#define LS_KSTS 0x0001 /* Low-Speed K State */
-#define SE0 0x0000 /* SE0 */
-
-/* Device State Control Register */
-#define EXTLP0 0x0400 /* b10: External port */
-#define VBOUT 0x0200 /* b9: VBUS output */
-#define WKUP 0x0100 /* b8: Remote wakeup */
-#define RWUPE 0x0080 /* b7: Remote wakeup sense */
-#define USBRST 0x0040 /* b6: USB reset enable */
-#define RESUME 0x0020 /* b5: Resume enable */
-#define UACT 0x0010 /* b4: USB bus enable */
-#define RHST 0x0007 /* b1-0: Reset handshake status */
-#define HSPROC 0x0004 /* HS handshake is processing */
-#define HSMODE 0x0003 /* Hi-Speed mode */
-#define FSMODE 0x0002 /* Full-Speed mode */
-#define LSMODE 0x0001 /* Low-Speed mode */
-#define UNDECID 0x0000 /* Undecided */
-
-/* Test Mode Register */
-#define UTST 0x000F /* b3-0: Test select */
-#define H_TST_PACKET 0x000C /* HOST TEST Packet */
-#define H_TST_SE0_NAK 0x000B /* HOST TEST SE0 NAK */
-#define H_TST_K 0x000A /* HOST TEST K */
-#define H_TST_J 0x0009 /* HOST TEST J */
-#define H_TST_NORMAL 0x0000 /* HOST Normal Mode */
-#define P_TST_PACKET 0x0004 /* PERI TEST Packet */
-#define P_TST_SE0_NAK 0x0003 /* PERI TEST SE0 NAK */
-#define P_TST_K 0x0002 /* PERI TEST K */
-#define P_TST_J 0x0001 /* PERI TEST J */
-#define P_TST_NORMAL 0x0000 /* PERI Normal Mode */
-
-/* Data Pin Configuration Register */
-#define LDRV 0x8000 /* b15: Drive Current Adjust */
-#define VIF1 0x0000 /* VIF = 1.8V */
-#define VIF3 0x8000 /* VIF = 3.3V */
-#define INTA 0x0001 /* b1: USB INT-pin active */
-
-/* DMAx Pin Configuration Register */
-#define DREQA 0x4000 /* b14: Dreq active select */
-#define BURST 0x2000 /* b13: Burst mode */
-#define DACKA 0x0400 /* b10: Dack active select */
-#define DFORM 0x0380 /* b9-7: DMA mode select */
-#define CPU_ADR_RD_WR 0x0000 /* Address + RD/WR mode (CPU bus) */
-#define CPU_DACK_RD_WR 0x0100 /* DACK + RD/WR mode (CPU bus) */
-#define CPU_DACK_ONLY 0x0180 /* DACK only mode (CPU bus) */
-#define SPLIT_DACK_ONLY 0x0200 /* DACK only mode (SPLIT bus) */
-#define DENDA 0x0040 /* b6: Dend active select */
-#define PKTM 0x0020 /* b5: Packet mode */
-#define DENDE 0x0010 /* b4: Dend enable */
-#define OBUS 0x0004 /* b2: OUTbus mode */
-
-/* CFIFO/DxFIFO Port Select Register */
-#define RCNT 0x8000 /* b15: Read count mode */
-#define REW 0x4000 /* b14: Buffer rewind */
-#define DCLRM 0x2000 /* b13: DMA buffer clear mode */
-#define DREQE 0x1000 /* b12: DREQ output enable */
-#define MBW_8 0x0000 /* 8bit */
-#define MBW_16 0x0400 /* 16bit */
-#define MBW_32 0x0800 /* 32bit */
-#define BIGEND 0x0100 /* b8: Big endian mode */
-#define BYTE_LITTLE 0x0000 /* little dendian */
-#define BYTE_BIG 0x0100 /* big endifan */
-#define ISEL 0x0020 /* b5: DCP FIFO port direction select */
-#define CURPIPE 0x000F /* b2-0: PIPE select */
-
-/* CFIFO/DxFIFO Port Control Register */
-#define BVAL 0x8000 /* b15: Buffer valid flag */
-#define BCLR 0x4000 /* b14: Buffer clear */
-#define FRDY 0x2000 /* b13: FIFO ready */
-#define DTLN 0x0FFF /* b11-0: FIFO received data length */
-
-/* Interrupt Enable Register 0 */
-#define VBSE 0x8000 /* b15: VBUS interrupt */
-#define RSME 0x4000 /* b14: Resume interrupt */
-#define SOFE 0x2000 /* b13: Frame update interrupt */
-#define DVSE 0x1000 /* b12: Device state transition interrupt */
-#define CTRE 0x0800 /* b11: Control transfer stage transition interrupt */
-#define BEMPE 0x0400 /* b10: Buffer empty interrupt */
-#define NRDYE 0x0200 /* b9: Buffer not ready interrupt */
-#define BRDYE 0x0100 /* b8: Buffer ready interrupt */
-
-/* Interrupt Enable Register 1 */
-#define OVRCRE 0x8000 /* b15: Over-current interrupt */
-#define BCHGE 0x4000 /* b14: USB us chenge interrupt */
-#define DTCHE 0x1000 /* b12: Detach sense interrupt */
-#define ATTCHE 0x0800 /* b11: Attach sense interrupt */
-#define EOFERRE 0x0040 /* b6: EOF error interrupt */
-#define SIGNE 0x0020 /* b5: SETUP IGNORE interrupt */
-#define SACKE 0x0010 /* b4: SETUP ACK interrupt */
-
-/* BRDY Interrupt Enable/Status Register */
-#define BRDY9 0x0200 /* b9: PIPE9 */
-#define BRDY8 0x0100 /* b8: PIPE8 */
-#define BRDY7 0x0080 /* b7: PIPE7 */
-#define BRDY6 0x0040 /* b6: PIPE6 */
-#define BRDY5 0x0020 /* b5: PIPE5 */
-#define BRDY4 0x0010 /* b4: PIPE4 */
-#define BRDY3 0x0008 /* b3: PIPE3 */
-#define BRDY2 0x0004 /* b2: PIPE2 */
-#define BRDY1 0x0002 /* b1: PIPE1 */
-#define BRDY0 0x0001 /* b1: PIPE0 */
-
-/* NRDY Interrupt Enable/Status Register */
-#define NRDY9 0x0200 /* b9: PIPE9 */
-#define NRDY8 0x0100 /* b8: PIPE8 */
-#define NRDY7 0x0080 /* b7: PIPE7 */
-#define NRDY6 0x0040 /* b6: PIPE6 */
-#define NRDY5 0x0020 /* b5: PIPE5 */
-#define NRDY4 0x0010 /* b4: PIPE4 */
-#define NRDY3 0x0008 /* b3: PIPE3 */
-#define NRDY2 0x0004 /* b2: PIPE2 */
-#define NRDY1 0x0002 /* b1: PIPE1 */
-#define NRDY0 0x0001 /* b1: PIPE0 */
-
-/* BEMP Interrupt Enable/Status Register */
-#define BEMP9 0x0200 /* b9: PIPE9 */
-#define BEMP8 0x0100 /* b8: PIPE8 */
-#define BEMP7 0x0080 /* b7: PIPE7 */
-#define BEMP6 0x0040 /* b6: PIPE6 */
-#define BEMP5 0x0020 /* b5: PIPE5 */
-#define BEMP4 0x0010 /* b4: PIPE4 */
-#define BEMP3 0x0008 /* b3: PIPE3 */
-#define BEMP2 0x0004 /* b2: PIPE2 */
-#define BEMP1 0x0002 /* b1: PIPE1 */
-#define BEMP0 0x0001 /* b0: PIPE0 */
-
-/* SOF Pin Configuration Register */
-#define TRNENSEL 0x0100 /* b8: Select transaction enable period */
-#define BRDYM 0x0040 /* b6: BRDY clear timing */
-#define INTL 0x0020 /* b5: Interrupt sense select */
-#define EDGESTS 0x0010 /* b4: */
-#define SOFMODE 0x000C /* b3-2: SOF pin select */
-#define SOF_125US 0x0008 /* SOF OUT 125us Frame Signal */
-#define SOF_1MS 0x0004 /* SOF OUT 1ms Frame Signal */
-#define SOF_DISABLE 0x0000 /* SOF OUT Disable */
-
-/* Interrupt Status Register 0 */
-#define VBINT 0x8000 /* b15: VBUS interrupt */
-#define RESM 0x4000 /* b14: Resume interrupt */
-#define SOFR 0x2000 /* b13: SOF frame update interrupt */
-#define DVST 0x1000 /* b12: Device state transition interrupt */
-#define CTRT 0x0800 /* b11: Control transfer stage transition interrupt */
-#define BEMP 0x0400 /* b10: Buffer empty interrupt */
-#define NRDY 0x0200 /* b9: Buffer not ready interrupt */
-#define BRDY 0x0100 /* b8: Buffer ready interrupt */
-#define VBSTS 0x0080 /* b7: VBUS input port */
-#define DVSQ 0x0070 /* b6-4: Device state */
-#define DS_SPD_CNFG 0x0070 /* Suspend Configured */
-#define DS_SPD_ADDR 0x0060 /* Suspend Address */
-#define DS_SPD_DFLT 0x0050 /* Suspend Default */
-#define DS_SPD_POWR 0x0040 /* Suspend Powered */
-#define DS_SUSP 0x0040 /* Suspend */
-#define DS_CNFG 0x0030 /* Configured */
-#define DS_ADDS 0x0020 /* Address */
-#define DS_DFLT 0x0010 /* Default */
-#define DS_POWR 0x0000 /* Powered */
-#define DVSQS 0x0030 /* b5-4: Device state */
-#define VALID 0x0008 /* b3: Setup packet detected flag */
-#define CTSQ 0x0007 /* b2-0: Control transfer stage */
-#define CS_SQER 0x0006 /* Sequence error */
-#define CS_WRND 0x0005 /* Control write nodata status stage */
-#define CS_WRSS 0x0004 /* Control write status stage */
-#define CS_WRDS 0x0003 /* Control write data stage */
-#define CS_RDSS 0x0002 /* Control read status stage */
-#define CS_RDDS 0x0001 /* Control read data stage */
-#define CS_IDST 0x0000 /* Idle or setup stage */
-
-/* Interrupt Status Register 1 */
-#define OVRCR 0x8000 /* b15: Over-current interrupt */
-#define BCHG 0x4000 /* b14: USB bus chenge interrupt */
-#define DTCH 0x1000 /* b12: Detach sense interrupt */
-#define ATTCH 0x0800 /* b11: Attach sense interrupt */
-#define EOFERR 0x0040 /* b6: EOF-error interrupt */
-#define SIGN 0x0020 /* b5: Setup ignore interrupt */
-#define SACK 0x0010 /* b4: Setup acknowledge interrupt */
-
-/* Frame Number Register */
-#define OVRN 0x8000 /* b15: Overrun error */
-#define CRCE 0x4000 /* b14: Received data error */
-#define FRNM 0x07FF /* b10-0: Frame number */
-
-/* Micro Frame Number Register */
-#define UFRNM 0x0007 /* b2-0: Micro frame number */
-
-/* Default Control Pipe Maxpacket Size Register */
-/* Pipe Maxpacket Size Register */
-#define DEVSEL 0xF000 /* b15-14: Device address select */
-#define MAXP 0x007F /* b6-0: Maxpacket size of default control pipe */
-
-/* Default Control Pipe Control Register */
-#define BSTS 0x8000 /* b15: Buffer status */
-#define SUREQ 0x4000 /* b14: Send USB request */
-#define CSCLR 0x2000 /* b13: complete-split status clear */
-#define CSSTS 0x1000 /* b12: complete-split status */
-#define SUREQCLR 0x0800 /* b11: stop setup request */
-#define SQCLR 0x0100 /* b8: Sequence toggle bit clear */
-#define SQSET 0x0080 /* b7: Sequence toggle bit set */
-#define SQMON 0x0040 /* b6: Sequence toggle bit monitor */
-#define PBUSY 0x0020 /* b5: pipe busy */
-#define PINGE 0x0010 /* b4: ping enable */
-#define CCPL 0x0004 /* b2: Enable control transfer complete */
-#define PID 0x0003 /* b1-0: Response PID */
-#define PID_STALL11 0x0003 /* STALL */
-#define PID_STALL 0x0002 /* STALL */
-#define PID_BUF 0x0001 /* BUF */
-#define PID_NAK 0x0000 /* NAK */
-
-/* Pipe Window Select Register */
-#define PIPENM 0x0007 /* b2-0: Pipe select */
-
-/* Pipe Configuration Register */
-#define R8A66597_TYP 0xC000 /* b15-14: Transfer type */
-#define R8A66597_ISO 0xC000 /* Isochronous */
-#define R8A66597_INT 0x8000 /* Interrupt */
-#define R8A66597_BULK 0x4000 /* Bulk */
-#define R8A66597_BFRE 0x0400 /* b10: Buffer ready interrupt mode select */
-#define R8A66597_DBLB 0x0200 /* b9: Double buffer mode select */
-#define R8A66597_CNTMD 0x0100 /* b8: Continuous transfer mode select */
-#define R8A66597_SHTNAK 0x0080 /* b7: Transfer end NAK */
-#define R8A66597_DIR 0x0010 /* b4: Transfer direction select */
-#define R8A66597_EPNUM 0x000F /* b3-0: Eendpoint number select */
-
-/* Pipe Buffer Configuration Register */
-#define BUFSIZE 0x7C00 /* b14-10: Pipe buffer size */
-#define BUFNMB 0x007F /* b6-0: Pipe buffer number */
-#define PIPE0BUF 256
-#define PIPExBUF 64
-
-/* Pipe Maxpacket Size Register */
-#define MXPS 0x07FF /* b10-0: Maxpacket size */
-
-/* Pipe Cycle Configuration Register */
-#define IFIS 0x1000 /* b12: Isochronous in-buffer flush mode select */
-#define IITV 0x0007 /* b2-0: Isochronous interval */
-
-/* Pipex Control Register */
-#define BSTS 0x8000 /* b15: Buffer status */
-#define INBUFM 0x4000 /* b14: IN buffer monitor (Only for PIPE1 to 5) */
-#define CSCLR 0x2000 /* b13: complete-split status clear */
-#define CSSTS 0x1000 /* b12: complete-split status */
-#define ATREPM 0x0400 /* b10: Auto repeat mode */
-#define ACLRM 0x0200 /* b9: Out buffer auto clear mode */
-#define SQCLR 0x0100 /* b8: Sequence toggle bit clear */
-#define SQSET 0x0080 /* b7: Sequence toggle bit set */
-#define SQMON 0x0040 /* b6: Sequence toggle bit monitor */
-#define PBUSY 0x0020 /* b5: pipe busy */
-#define PID 0x0003 /* b1-0: Response PID */
-
-/* PIPExTRE */
-#define TRENB 0x0200 /* b9: Transaction counter enable */
-#define TRCLR 0x0100 /* b8: Transaction counter clear */
-
-/* PIPExTRN */
-#define TRNCNT 0xFFFF /* b15-0: Transaction counter */
-
-/* DEVADDx */
-#define UPPHUB 0x7800
-#define HUBPORT 0x0700
-#define USBSPD 0x00C0
-#define RTPORT 0x0001
-
#define R8A66597_MAX_NUM_PIPE 10
#define R8A66597_BUF_BSIZE 8
#define R8A66597_MAX_DEVICE 10
diff --git a/include/linux/usb/r8a66597.h b/include/linux/usb/r8a66597.h
index 460ee3f6a2c6..26d216734057 100644
--- a/include/linux/usb/r8a66597.h
+++ b/include/linux/usb/r8a66597.h
@@ -28,7 +28,7 @@
#define R8A66597_PLATDATA_XTAL_48MHZ 0x03
struct r8a66597_platdata {
- /* This ops can controll port power instead of DVSTCTR register. */
+ /* This callback can control port power instead of DVSTCTR register. */
void (*port_power)(int port, int power);
/* set one = on chip controller, set zero = external controller */
@@ -43,5 +43,373 @@ struct r8a66597_platdata {
/* set one = big endian, set zero = little endian */
unsigned endian:1;
};
-#endif
+
+/* Register definitions */
+#define SYSCFG0 0x00
+#define SYSCFG1 0x02
+#define SYSSTS0 0x04
+#define SYSSTS1 0x06
+#define DVSTCTR0 0x08
+#define DVSTCTR1 0x0A
+#define TESTMODE 0x0C
+#define PINCFG 0x0E
+#define DMA0CFG 0x10
+#define DMA1CFG 0x12
+#define CFIFO 0x14
+#define D0FIFO 0x18
+#define D1FIFO 0x1C
+#define CFIFOSEL 0x20
+#define CFIFOCTR 0x22
+#define CFIFOSIE 0x24
+#define D0FIFOSEL 0x28
+#define D0FIFOCTR 0x2A
+#define D1FIFOSEL 0x2C
+#define D1FIFOCTR 0x2E
+#define INTENB0 0x30
+#define INTENB1 0x32
+#define INTENB2 0x34
+#define BRDYENB 0x36
+#define NRDYENB 0x38
+#define BEMPENB 0x3A
+#define SOFCFG 0x3C
+#define INTSTS0 0x40
+#define INTSTS1 0x42
+#define INTSTS2 0x44
+#define BRDYSTS 0x46
+#define NRDYSTS 0x48
+#define BEMPSTS 0x4A
+#define FRMNUM 0x4C
+#define UFRMNUM 0x4E
+#define USBADDR 0x50
+#define USBREQ 0x54
+#define USBVAL 0x56
+#define USBINDX 0x58
+#define USBLENG 0x5A
+#define DCPCFG 0x5C
+#define DCPMAXP 0x5E
+#define DCPCTR 0x60
+#define PIPESEL 0x64
+#define PIPECFG 0x68
+#define PIPEBUF 0x6A
+#define PIPEMAXP 0x6C
+#define PIPEPERI 0x6E
+#define PIPE1CTR 0x70
+#define PIPE2CTR 0x72
+#define PIPE3CTR 0x74
+#define PIPE4CTR 0x76
+#define PIPE5CTR 0x78
+#define PIPE6CTR 0x7A
+#define PIPE7CTR 0x7C
+#define PIPE8CTR 0x7E
+#define PIPE9CTR 0x80
+#define PIPE1TRE 0x90
+#define PIPE1TRN 0x92
+#define PIPE2TRE 0x94
+#define PIPE2TRN 0x96
+#define PIPE3TRE 0x98
+#define PIPE3TRN 0x9A
+#define PIPE4TRE 0x9C
+#define PIPE4TRN 0x9E
+#define PIPE5TRE 0xA0
+#define PIPE5TRN 0xA2
+#define DEVADD0 0xD0
+#define DEVADD1 0xD2
+#define DEVADD2 0xD4
+#define DEVADD3 0xD6
+#define DEVADD4 0xD8
+#define DEVADD5 0xDA
+#define DEVADD6 0xDC
+#define DEVADD7 0xDE
+#define DEVADD8 0xE0
+#define DEVADD9 0xE2
+#define DEVADDA 0xE4
+
+/* System Configuration Control Register */
+#define XTAL 0xC000 /* b15-14: Crystal selection */
+#define XTAL48 0x8000 /* 48MHz */
+#define XTAL24 0x4000 /* 24MHz */
+#define XTAL12 0x0000 /* 12MHz */
+#define XCKE 0x2000 /* b13: External clock enable */
+#define PLLC 0x0800 /* b11: PLL control */
+#define SCKE 0x0400 /* b10: USB clock enable */
+#define PCSDIS 0x0200 /* b9: not CS wakeup */
+#define LPSME 0x0100 /* b8: Low power sleep mode */
+#define HSE 0x0080 /* b7: Hi-speed enable */
+#define DCFM 0x0040 /* b6: Controller function select */
+#define DRPD 0x0020 /* b5: D+/- pull down control */
+#define DPRPU 0x0010 /* b4: D+ pull up control */
+#define USBE 0x0001 /* b0: USB module operation enable */
+
+/* System Configuration Status Register */
+#define OVCBIT 0x8000 /* b15-14: Over-current bit */
+#define OVCMON 0xC000 /* b15-14: Over-current monitor */
+#define SOFEA 0x0020 /* b5: SOF monitor */
+#define IDMON 0x0004 /* b3: ID-pin monitor */
+#define LNST 0x0003 /* b1-0: D+, D- line status */
+#define SE1 0x0003 /* SE1 */
+#define FS_KSTS 0x0002 /* Full-Speed K State */
+#define FS_JSTS 0x0001 /* Full-Speed J State */
+#define LS_JSTS 0x0002 /* Low-Speed J State */
+#define LS_KSTS 0x0001 /* Low-Speed K State */
+#define SE0 0x0000 /* SE0 */
+
+/* Device State Control Register */
+#define EXTLP0 0x0400 /* b10: External port */
+#define VBOUT 0x0200 /* b9: VBUS output */
+#define WKUP 0x0100 /* b8: Remote wakeup */
+#define RWUPE 0x0080 /* b7: Remote wakeup sense */
+#define USBRST 0x0040 /* b6: USB reset enable */
+#define RESUME 0x0020 /* b5: Resume enable */
+#define UACT 0x0010 /* b4: USB bus enable */
+#define RHST 0x0007 /* b1-0: Reset handshake status */
+#define HSPROC 0x0004 /* HS handshake is processing */
+#define HSMODE 0x0003 /* Hi-Speed mode */
+#define FSMODE 0x0002 /* Full-Speed mode */
+#define LSMODE 0x0001 /* Low-Speed mode */
+#define UNDECID 0x0000 /* Undecided */
+
+/* Test Mode Register */
+#define UTST 0x000F /* b3-0: Test select */
+#define H_TST_PACKET 0x000C /* HOST TEST Packet */
+#define H_TST_SE0_NAK 0x000B /* HOST TEST SE0 NAK */
+#define H_TST_K 0x000A /* HOST TEST K */
+#define H_TST_J 0x0009 /* HOST TEST J */
+#define H_TST_NORMAL 0x0000 /* HOST Normal Mode */
+#define P_TST_PACKET 0x0004 /* PERI TEST Packet */
+#define P_TST_SE0_NAK 0x0003 /* PERI TEST SE0 NAK */
+#define P_TST_K 0x0002 /* PERI TEST K */
+#define P_TST_J 0x0001 /* PERI TEST J */
+#define P_TST_NORMAL 0x0000 /* PERI Normal Mode */
+
+/* Data Pin Configuration Register */
+#define LDRV 0x8000 /* b15: Drive Current Adjust */
+#define VIF1 0x0000 /* VIF = 1.8V */
+#define VIF3 0x8000 /* VIF = 3.3V */
+#define INTA 0x0001 /* b1: USB INT-pin active */
+
+/* DMAx Pin Configuration Register */
+#define DREQA 0x4000 /* b14: Dreq active select */
+#define BURST 0x2000 /* b13: Burst mode */
+#define DACKA 0x0400 /* b10: Dack active select */
+#define DFORM 0x0380 /* b9-7: DMA mode select */
+#define CPU_ADR_RD_WR 0x0000 /* Address + RD/WR mode (CPU bus) */
+#define CPU_DACK_RD_WR 0x0100 /* DACK + RD/WR mode (CPU bus) */
+#define CPU_DACK_ONLY 0x0180 /* DACK only mode (CPU bus) */
+#define SPLIT_DACK_ONLY 0x0200 /* DACK only mode (SPLIT bus) */
+#define DENDA 0x0040 /* b6: Dend active select */
+#define PKTM 0x0020 /* b5: Packet mode */
+#define DENDE 0x0010 /* b4: Dend enable */
+#define OBUS 0x0004 /* b2: OUTbus mode */
+
+/* CFIFO/DxFIFO Port Select Register */
+#define RCNT 0x8000 /* b15: Read count mode */
+#define REW 0x4000 /* b14: Buffer rewind */
+#define DCLRM 0x2000 /* b13: DMA buffer clear mode */
+#define DREQE 0x1000 /* b12: DREQ output enable */
+#define MBW_8 0x0000 /* 8bit */
+#define MBW_16 0x0400 /* 16bit */
+#define MBW_32 0x0800 /* 32bit */
+#define BIGEND 0x0100 /* b8: Big endian mode */
+#define BYTE_LITTLE 0x0000 /* little dendian */
+#define BYTE_BIG 0x0100 /* big endifan */
+#define ISEL 0x0020 /* b5: DCP FIFO port direction select */
+#define CURPIPE 0x000F /* b2-0: PIPE select */
+
+/* CFIFO/DxFIFO Port Control Register */
+#define BVAL 0x8000 /* b15: Buffer valid flag */
+#define BCLR 0x4000 /* b14: Buffer clear */
+#define FRDY 0x2000 /* b13: FIFO ready */
+#define DTLN 0x0FFF /* b11-0: FIFO received data length */
+
+/* Interrupt Enable Register 0 */
+#define VBSE 0x8000 /* b15: VBUS interrupt */
+#define RSME 0x4000 /* b14: Resume interrupt */
+#define SOFE 0x2000 /* b13: Frame update interrupt */
+#define DVSE 0x1000 /* b12: Device state transition interrupt */
+#define CTRE 0x0800 /* b11: Control transfer stage transition interrupt */
+#define BEMPE 0x0400 /* b10: Buffer empty interrupt */
+#define NRDYE 0x0200 /* b9: Buffer not ready interrupt */
+#define BRDYE 0x0100 /* b8: Buffer ready interrupt */
+
+/* Interrupt Enable Register 1 */
+#define OVRCRE 0x8000 /* b15: Over-current interrupt */
+#define BCHGE 0x4000 /* b14: USB us chenge interrupt */
+#define DTCHE 0x1000 /* b12: Detach sense interrupt */
+#define ATTCHE 0x0800 /* b11: Attach sense interrupt */
+#define EOFERRE 0x0040 /* b6: EOF error interrupt */
+#define SIGNE 0x0020 /* b5: SETUP IGNORE interrupt */
+#define SACKE 0x0010 /* b4: SETUP ACK interrupt */
+
+/* BRDY Interrupt Enable/Status Register */
+#define BRDY9 0x0200 /* b9: PIPE9 */
+#define BRDY8 0x0100 /* b8: PIPE8 */
+#define BRDY7 0x0080 /* b7: PIPE7 */
+#define BRDY6 0x0040 /* b6: PIPE6 */
+#define BRDY5 0x0020 /* b5: PIPE5 */
+#define BRDY4 0x0010 /* b4: PIPE4 */
+#define BRDY3 0x0008 /* b3: PIPE3 */
+#define BRDY2 0x0004 /* b2: PIPE2 */
+#define BRDY1 0x0002 /* b1: PIPE1 */
+#define BRDY0 0x0001 /* b1: PIPE0 */
+
+/* NRDY Interrupt Enable/Status Register */
+#define NRDY9 0x0200 /* b9: PIPE9 */
+#define NRDY8 0x0100 /* b8: PIPE8 */
+#define NRDY7 0x0080 /* b7: PIPE7 */
+#define NRDY6 0x0040 /* b6: PIPE6 */
+#define NRDY5 0x0020 /* b5: PIPE5 */
+#define NRDY4 0x0010 /* b4: PIPE4 */
+#define NRDY3 0x0008 /* b3: PIPE3 */
+#define NRDY2 0x0004 /* b2: PIPE2 */
+#define NRDY1 0x0002 /* b1: PIPE1 */
+#define NRDY0 0x0001 /* b1: PIPE0 */
+
+/* BEMP Interrupt Enable/Status Register */
+#define BEMP9 0x0200 /* b9: PIPE9 */
+#define BEMP8 0x0100 /* b8: PIPE8 */
+#define BEMP7 0x0080 /* b7: PIPE7 */
+#define BEMP6 0x0040 /* b6: PIPE6 */
+#define BEMP5 0x0020 /* b5: PIPE5 */
+#define BEMP4 0x0010 /* b4: PIPE4 */
+#define BEMP3 0x0008 /* b3: PIPE3 */
+#define BEMP2 0x0004 /* b2: PIPE2 */
+#define BEMP1 0x0002 /* b1: PIPE1 */
+#define BEMP0 0x0001 /* b0: PIPE0 */
+
+/* SOF Pin Configuration Register */
+#define TRNENSEL 0x0100 /* b8: Select transaction enable period */
+#define BRDYM 0x0040 /* b6: BRDY clear timing */
+#define INTL 0x0020 /* b5: Interrupt sense select */
+#define EDGESTS 0x0010 /* b4: */
+#define SOFMODE 0x000C /* b3-2: SOF pin select */
+#define SOF_125US 0x0008 /* SOF OUT 125us Frame Signal */
+#define SOF_1MS 0x0004 /* SOF OUT 1ms Frame Signal */
+#define SOF_DISABLE 0x0000 /* SOF OUT Disable */
+
+/* Interrupt Status Register 0 */
+#define VBINT 0x8000 /* b15: VBUS interrupt */
+#define RESM 0x4000 /* b14: Resume interrupt */
+#define SOFR 0x2000 /* b13: SOF frame update interrupt */
+#define DVST 0x1000 /* b12: Device state transition interrupt */
+#define CTRT 0x0800 /* b11: Control transfer stage transition interrupt */
+#define BEMP 0x0400 /* b10: Buffer empty interrupt */
+#define NRDY 0x0200 /* b9: Buffer not ready interrupt */
+#define BRDY 0x0100 /* b8: Buffer ready interrupt */
+#define VBSTS 0x0080 /* b7: VBUS input port */
+#define DVSQ 0x0070 /* b6-4: Device state */
+#define DS_SPD_CNFG 0x0070 /* Suspend Configured */
+#define DS_SPD_ADDR 0x0060 /* Suspend Address */
+#define DS_SPD_DFLT 0x0050 /* Suspend Default */
+#define DS_SPD_POWR 0x0040 /* Suspend Powered */
+#define DS_SUSP 0x0040 /* Suspend */
+#define DS_CNFG 0x0030 /* Configured */
+#define DS_ADDS 0x0020 /* Address */
+#define DS_DFLT 0x0010 /* Default */
+#define DS_POWR 0x0000 /* Powered */
+#define DVSQS 0x0030 /* b5-4: Device state */
+#define VALID 0x0008 /* b3: Setup packet detected flag */
+#define CTSQ 0x0007 /* b2-0: Control transfer stage */
+#define CS_SQER 0x0006 /* Sequence error */
+#define CS_WRND 0x0005 /* Control write nodata status stage */
+#define CS_WRSS 0x0004 /* Control write status stage */
+#define CS_WRDS 0x0003 /* Control write data stage */
+#define CS_RDSS 0x0002 /* Control read status stage */
+#define CS_RDDS 0x0001 /* Control read data stage */
+#define CS_IDST 0x0000 /* Idle or setup stage */
+
+/* Interrupt Status Register 1 */
+#define OVRCR 0x8000 /* b15: Over-current interrupt */
+#define BCHG 0x4000 /* b14: USB bus chenge interrupt */
+#define DTCH 0x1000 /* b12: Detach sense interrupt */
+#define ATTCH 0x0800 /* b11: Attach sense interrupt */
+#define EOFERR 0x0040 /* b6: EOF-error interrupt */
+#define SIGN 0x0020 /* b5: Setup ignore interrupt */
+#define SACK 0x0010 /* b4: Setup acknowledge interrupt */
+
+/* Frame Number Register */
+#define OVRN 0x8000 /* b15: Overrun error */
+#define CRCE 0x4000 /* b14: Received data error */
+#define FRNM 0x07FF /* b10-0: Frame number */
+
+/* Micro Frame Number Register */
+#define UFRNM 0x0007 /* b2-0: Micro frame number */
+
+/* Default Control Pipe Maxpacket Size Register */
+/* Pipe Maxpacket Size Register */
+#define DEVSEL 0xF000 /* b15-14: Device address select */
+#define MAXP 0x007F /* b6-0: Maxpacket size of default control pipe */
+
+/* Default Control Pipe Control Register */
+#define BSTS 0x8000 /* b15: Buffer status */
+#define SUREQ 0x4000 /* b14: Send USB request */
+#define CSCLR 0x2000 /* b13: complete-split status clear */
+#define CSSTS 0x1000 /* b12: complete-split status */
+#define SUREQCLR 0x0800 /* b11: stop setup request */
+#define SQCLR 0x0100 /* b8: Sequence toggle bit clear */
+#define SQSET 0x0080 /* b7: Sequence toggle bit set */
+#define SQMON 0x0040 /* b6: Sequence toggle bit monitor */
+#define PBUSY 0x0020 /* b5: pipe busy */
+#define PINGE 0x0010 /* b4: ping enable */
+#define CCPL 0x0004 /* b2: Enable control transfer complete */
+#define PID 0x0003 /* b1-0: Response PID */
+#define PID_STALL11 0x0003 /* STALL */
+#define PID_STALL 0x0002 /* STALL */
+#define PID_BUF 0x0001 /* BUF */
+#define PID_NAK 0x0000 /* NAK */
+
+/* Pipe Window Select Register */
+#define PIPENM 0x0007 /* b2-0: Pipe select */
+
+/* Pipe Configuration Register */
+#define R8A66597_TYP 0xC000 /* b15-14: Transfer type */
+#define R8A66597_ISO 0xC000 /* Isochronous */
+#define R8A66597_INT 0x8000 /* Interrupt */
+#define R8A66597_BULK 0x4000 /* Bulk */
+#define R8A66597_BFRE 0x0400 /* b10: Buffer ready interrupt mode select */
+#define R8A66597_DBLB 0x0200 /* b9: Double buffer mode select */
+#define R8A66597_CNTMD 0x0100 /* b8: Continuous transfer mode select */
+#define R8A66597_SHTNAK 0x0080 /* b7: Transfer end NAK */
+#define R8A66597_DIR 0x0010 /* b4: Transfer direction select */
+#define R8A66597_EPNUM 0x000F /* b3-0: Eendpoint number select */
+
+/* Pipe Buffer Configuration Register */
+#define BUFSIZE 0x7C00 /* b14-10: Pipe buffer size */
+#define BUFNMB 0x007F /* b6-0: Pipe buffer number */
+#define PIPE0BUF 256
+#define PIPExBUF 64
+
+/* Pipe Maxpacket Size Register */
+#define MXPS 0x07FF /* b10-0: Maxpacket size */
+
+/* Pipe Cycle Configuration Register */
+#define IFIS 0x1000 /* b12: Isochronous in-buffer flush mode select */
+#define IITV 0x0007 /* b2-0: Isochronous interval */
+
+/* Pipex Control Register */
+#define BSTS 0x8000 /* b15: Buffer status */
+#define INBUFM 0x4000 /* b14: IN buffer monitor (Only for PIPE1 to 5) */
+#define CSCLR 0x2000 /* b13: complete-split status clear */
+#define CSSTS 0x1000 /* b12: complete-split status */
+#define ATREPM 0x0400 /* b10: Auto repeat mode */
+#define ACLRM 0x0200 /* b9: Out buffer auto clear mode */
+#define SQCLR 0x0100 /* b8: Sequence toggle bit clear */
+#define SQSET 0x0080 /* b7: Sequence toggle bit set */
+#define SQMON 0x0040 /* b6: Sequence toggle bit monitor */
+#define PBUSY 0x0020 /* b5: pipe busy */
+#define PID 0x0003 /* b1-0: Response PID */
+
+/* PIPExTRE */
+#define TRENB 0x0200 /* b9: Transaction counter enable */
+#define TRCLR 0x0100 /* b8: Transaction counter clear */
+
+/* PIPExTRN */
+#define TRNCNT 0xFFFF /* b15-0: Transaction counter */
+
+/* DEVADDx */
+#define UPPHUB 0x7800
+#define HUBPORT 0x0700
+#define USBSPD 0x00C0
+#define RTPORT 0x0001
+
+#endif /* __LINUX_USB_R8A66597_H */
--
GitLab
From 2c59b0b70b9d5d61c726f179724660c4c2423f31 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 22 Jul 2009 14:41:35 +0000
Subject: [PATCH 065/742] usb: m66592-udc platform data on_chip support
Convert the m66592-udc driver to use the on_chip flag
from platform data to enable on chip behaviour instead
of relying on CONFIG_SUPERH_BUILT_IN_M66592 ugliness.
This makes the code cleaner and also allows us to support
both external and internal m66592 with the same kernel.
It also makes the Kconfig part more future proof since
we with this patch can add support for new processors
with on-chip m66592 without modifying the Kconfig.
The patch adds a m66592 header file for platform data
and ties in platform data to the existing m66592 devices.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-highlander/setup.c | 7 +
arch/sh/boards/mach-x3proto/setup.c | 7 +
arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 8 +-
drivers/usb/gadget/Kconfig | 10 -
drivers/usb/gadget/m66592-udc.c | 252 ++++++++++++++-----------
drivers/usb/gadget/m66592-udc.h | 89 ++++-----
include/linux/usb/m66592.h | 44 +++++
7 files changed, 257 insertions(+), 160 deletions(-)
create mode 100644 include/linux/usb/m66592.h
diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
index 1639f8915000..566e69d8d729 100644
--- a/arch/sh/boards/mach-highlander/setup.c
+++ b/arch/sh/boards/mach-highlander/setup.c
@@ -22,6 +22,7 @@
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/usb/r8a66597.h>
+#include <linux/usb/m66592.h>
#include <net/ax88796.h>
#include <asm/machvec.h>
#include <mach/highlander.h>
@@ -60,6 +61,11 @@ static struct platform_device r8a66597_usb_host_device = {
.resource = r8a66597_usb_host_resources,
};
+static struct m66592_platdata usbf_platdata = {
+ .xtal = M66592_PLATDATA_XTAL_24MHZ,
+ .vif = 1,
+};
+
static struct resource m66592_usb_peripheral_resources[] = {
[0] = {
.name = "m66592_udc",
@@ -81,6 +87,7 @@ static struct platform_device m66592_usb_peripheral_device = {
.dev = {
.dma_mask = NULL, /* don't use dma */
.coherent_dma_mask = 0xffffffff,
+ .platform_data = &usbf_platdata,
},
.num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources),
.resource = m66592_usb_peripheral_resources,
diff --git a/arch/sh/boards/mach-x3proto/setup.c b/arch/sh/boards/mach-x3proto/setup.c
index 8913ae39a802..efe4cb9f8a77 100644
--- a/arch/sh/boards/mach-x3proto/setup.c
+++ b/arch/sh/boards/mach-x3proto/setup.c
@@ -17,6 +17,7 @@
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/usb/r8a66597.h>
+#include <linux/usb/m66592.h>
#include <asm/ilsel.h>
static struct resource heartbeat_resources[] = {
@@ -89,6 +90,11 @@ static struct platform_device r8a66597_usb_host_device = {
.resource = r8a66597_usb_host_resources,
};
+static struct m66592_platdata usbf_platdata = {
+ .xtal = M66592_PLATDATA_XTAL_24MHZ,
+ .vif = 1,
+};
+
static struct resource m66592_usb_peripheral_resources[] = {
[0] = {
.name = "m66592_udc",
@@ -109,6 +115,7 @@ static struct platform_device m66592_usb_peripheral_device = {
.dev = {
.dma_mask = NULL, /* don't use dma */
.coherent_dma_mask = 0xffffffff,
+ .platform_data = &usbf_platdata,
},
.num_resources = ARRAY_SIZE(m66592_usb_peripheral_resources),
.resource = m66592_usb_peripheral_resources,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index ea524a2da3e4..0bad14a44238 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -13,6 +13,7 @@
#include <linux/serial_sci.h>
#include <linux/mm.h>
#include <linux/uio_driver.h>
+#include <linux/usb/m66592.h>
#include <linux/sh_timer.h>
#include <asm/clock.h>
#include <asm/mmzone.h>
@@ -47,9 +48,13 @@ static struct platform_device rtc_device = {
.resource = rtc_resources,
};
+static struct m66592_platdata usbf_platdata = {
+ .on_chip = 1,
+};
+
static struct resource usbf_resources[] = {
[0] = {
- .name = "m66592_udc",
+ .name = "USBF",
.start = 0x04480000,
.end = 0x044800FF,
.flags = IORESOURCE_MEM,
@@ -67,6 +72,7 @@ static struct platform_device usbf_device = {
.dev = {
.dma_mask = NULL,
.coherent_dma_mask = 0xffffffff,
+ .platform_data = &usbf_platdata,
},
.num_resources = ARRAY_SIZE(usbf_resources),
.resource = usbf_resources,
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 7f8e83a954ac..b7f10bc25c2c 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -360,16 +360,6 @@ config USB_M66592
default USB_GADGET
select USB_GADGET_SELECTED
-config SUPERH_BUILT_IN_M66592
- boolean "Enable SuperH built-in USB like the M66592"
- depends on USB_GADGET_M66592 && CPU_SUBTYPE_SH7722
- help
- SH7722 has USB like the M66592.
-
- The transfer rate is very slow when use "Ethernet Gadget".
- However, this problem is improved if change a value of
- NET_IP_ALIGN to 4.
-
#
# Controllers available only in discrete form (and all PCI controllers)
#
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 0dddd2f8ff35..a61c70caff12 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -31,38 +31,12 @@
#include "m66592-udc.h"
-
MODULE_DESCRIPTION("M66592 USB gadget driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Yoshihiro Shimoda");
MODULE_ALIAS("platform:m66592_udc");
-#define DRIVER_VERSION "26 Jun 2009"
-
-/* module parameters */
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
-static unsigned short endian = M66592_LITTLE;
-module_param(endian, ushort, 0644);
-MODULE_PARM_DESC(endian, "data endian: big=0, little=0 (default=0)");
-#else
-static unsigned short clock = M66592_XTAL24;
-module_param(clock, ushort, 0644);
-MODULE_PARM_DESC(clock, "input clock: 48MHz=32768, 24MHz=16384, 12MHz=0 "
- "(default=16384)");
-
-static unsigned short vif = M66592_LDRV;
-module_param(vif, ushort, 0644);
-MODULE_PARM_DESC(vif, "input VIF: 3.3V=32768, 1.5V=0 (default=32768)");
-
-static unsigned short endian;
-module_param(endian, ushort, 0644);
-MODULE_PARM_DESC(endian, "data endian: big=256, little=0 (default=0)");
-
-static unsigned short irq_sense = M66592_INTL;
-module_param(irq_sense, ushort, 0644);
-MODULE_PARM_DESC(irq_sense, "IRQ sense: low level=2, falling edge=0 "
- "(default=2)");
-#endif
+#define DRIVER_VERSION "21 July 2009"
static const char udc_name[] = "m66592_udc";
static const char *m66592_ep_name[] = {
@@ -244,6 +218,7 @@ static inline int get_buffer_size(struct m66592 *m66592, u16 pipenum)
static inline void pipe_change(struct m66592 *m66592, u16 pipenum)
{
struct m66592_ep *ep = m66592->pipenum2ep[pipenum];
+ unsigned short mbw;
if (ep->use_dma)
return;
@@ -252,7 +227,12 @@ static inline void pipe_change(struct m66592 *m66592, u16 pipenum)
ndelay(450);
- m66592_bset(m66592, M66592_MBW, ep->fifosel);
+ if (m66592->pdata->on_chip)
+ mbw = M66592_MBW_32;
+ else
+ mbw = M66592_MBW_16;
+
+ m66592_bset(m66592, mbw, ep->fifosel);
}
static int pipe_buffer_setting(struct m66592 *m66592,
@@ -332,6 +312,7 @@ static void pipe_buffer_release(struct m66592 *m66592,
static void pipe_initialize(struct m66592_ep *ep)
{
struct m66592 *m66592 = ep->m66592;
+ unsigned short mbw;
m66592_mdfy(m66592, 0, M66592_CURPIPE, ep->fifosel);
@@ -343,7 +324,12 @@ static void pipe_initialize(struct m66592_ep *ep)
ndelay(450);
- m66592_bset(m66592, M66592_MBW, ep->fifosel);
+ if (m66592->pdata->on_chip)
+ mbw = M66592_MBW_32;
+ else
+ mbw = M66592_MBW_16;
+
+ m66592_bset(m66592, mbw, ep->fifosel);
}
}
@@ -359,15 +345,13 @@ static void m66592_ep_setting(struct m66592 *m66592, struct m66592_ep *ep,
ep->fifosel = M66592_D0FIFOSEL;
ep->fifoctr = M66592_D0FIFOCTR;
ep->fifotrn = M66592_D0FIFOTRN;
-#if !defined(CONFIG_SUPERH_BUILT_IN_M66592)
- } else if (m66592->num_dma == 1) {
+ } else if (!m66592->pdata->on_chip && m66592->num_dma == 1) {
m66592->num_dma++;
ep->use_dma = 1;
ep->fifoaddr = M66592_D1FIFO;
ep->fifosel = M66592_D1FIFOSEL;
ep->fifoctr = M66592_D1FIFOCTR;
ep->fifotrn = M66592_D1FIFOTRN;
-#endif
} else {
ep->use_dma = 0;
ep->fifoaddr = M66592_CFIFO;
@@ -612,76 +596,120 @@ static void start_ep0(struct m66592_ep *ep, struct m66592_request *req)
}
}
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
static void init_controller(struct m66592 *m66592)
{
- m66592_bset(m66592, M66592_HSE, M66592_SYSCFG); /* High spd */
- m66592_bclr(m66592, M66592_USBE, M66592_SYSCFG);
- m66592_bclr(m66592, M66592_DPRPU, M66592_SYSCFG);
- m66592_bset(m66592, M66592_USBE, M66592_SYSCFG);
+ unsigned int endian;
- /* This is a workaound for SH7722 2nd cut */
- m66592_bset(m66592, 0x8000, M66592_DVSTCTR);
- m66592_bset(m66592, 0x1000, M66592_TESTMODE);
- m66592_bclr(m66592, 0x8000, M66592_DVSTCTR);
+ if (m66592->pdata->on_chip) {
+ if (m66592->pdata->endian)
+ endian = 0; /* big endian */
+ else
+ endian = M66592_LITTLE; /* little endian */
- m66592_bset(m66592, M66592_INTL, M66592_INTENB1);
+ m66592_bset(m66592, M66592_HSE, M66592_SYSCFG); /* High spd */
+ m66592_bclr(m66592, M66592_USBE, M66592_SYSCFG);
+ m66592_bclr(m66592, M66592_DPRPU, M66592_SYSCFG);
+ m66592_bset(m66592, M66592_USBE, M66592_SYSCFG);
- m66592_write(m66592, 0, M66592_CFBCFG);
- m66592_write(m66592, 0, M66592_D0FBCFG);
- m66592_bset(m66592, endian, M66592_CFBCFG);
- m66592_bset(m66592, endian, M66592_D0FBCFG);
-}
-#else /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
-static void init_controller(struct m66592 *m66592)
-{
- m66592_bset(m66592, (vif & M66592_LDRV) | (endian & M66592_BIGEND),
- M66592_PINCFG);
- m66592_bset(m66592, M66592_HSE, M66592_SYSCFG); /* High spd */
- m66592_mdfy(m66592, clock & M66592_XTAL, M66592_XTAL, M66592_SYSCFG);
+ /* This is a workaound for SH7722 2nd cut */
+ m66592_bset(m66592, 0x8000, M66592_DVSTCTR);
+ m66592_bset(m66592, 0x1000, M66592_TESTMODE);
+ m66592_bclr(m66592, 0x8000, M66592_DVSTCTR);
- m66592_bclr(m66592, M66592_USBE, M66592_SYSCFG);
- m66592_bclr(m66592, M66592_DPRPU, M66592_SYSCFG);
- m66592_bset(m66592, M66592_USBE, M66592_SYSCFG);
+ m66592_bset(m66592, M66592_INTL, M66592_INTENB1);
+
+ m66592_write(m66592, 0, M66592_CFBCFG);
+ m66592_write(m66592, 0, M66592_D0FBCFG);
+ m66592_bset(m66592, endian, M66592_CFBCFG);
+ m66592_bset(m66592, endian, M66592_D0FBCFG);
+ } else {
+ unsigned int clock, vif, irq_sense;
+
+ if (m66592->pdata->endian)
+ endian = M66592_BIGEND; /* big endian */
+ else
+ endian = 0; /* little endian */
+
+ if (m66592->pdata->vif)
+ vif = M66592_LDRV; /* 3.3v */
+ else
+ vif = 0; /* 1.5v */
+
+ switch (m66592->pdata->xtal) {
+ case M66592_PLATDATA_XTAL_12MHZ:
+ clock = M66592_XTAL12;
+ break;
+ case M66592_PLATDATA_XTAL_24MHZ:
+ clock = M66592_XTAL24;
+ break;
+ case M66592_PLATDATA_XTAL_48MHZ:
+ clock = M66592_XTAL48;
+ break;
+ default:
+ pr_warning("m66592-udc: xtal configuration error\n");
+ clock = 0;
+ }
- m66592_bset(m66592, M66592_XCKE, M66592_SYSCFG);
+ switch (m66592->irq_trigger) {
+ case IRQF_TRIGGER_LOW:
+ irq_sense = M66592_INTL;
+ break;
+ case IRQF_TRIGGER_FALLING:
+ irq_sense = 0;
+ break;
+ default:
+ pr_warning("m66592-udc: irq trigger config error\n");
+ irq_sense = 0;
+ }
- msleep(3);
+ m66592_bset(m66592,
+ (vif & M66592_LDRV) | (endian & M66592_BIGEND),
+ M66592_PINCFG);
+ m66592_bset(m66592, M66592_HSE, M66592_SYSCFG); /* High spd */
+ m66592_mdfy(m66592, clock & M66592_XTAL, M66592_XTAL,
+ M66592_SYSCFG);
+ m66592_bclr(m66592, M66592_USBE, M66592_SYSCFG);
+ m66592_bclr(m66592, M66592_DPRPU, M66592_SYSCFG);
+ m66592_bset(m66592, M66592_USBE, M66592_SYSCFG);
- m66592_bset(m66592, M66592_RCKE | M66592_PLLC, M66592_SYSCFG);
+ m66592_bset(m66592, M66592_XCKE, M66592_SYSCFG);
+
+ msleep(3);
- msleep(1);
+ m66592_bset(m66592, M66592_RCKE | M66592_PLLC, M66592_SYSCFG);
- m66592_bset(m66592, M66592_SCKE, M66592_SYSCFG);
+ msleep(1);
- m66592_bset(m66592, irq_sense & M66592_INTL, M66592_INTENB1);
- m66592_write(m66592, M66592_BURST | M66592_CPU_ADR_RD_WR,
- M66592_DMA0CFG);
+ m66592_bset(m66592, M66592_SCKE, M66592_SYSCFG);
+
+ m66592_bset(m66592, irq_sense & M66592_INTL, M66592_INTENB1);
+ m66592_write(m66592, M66592_BURST | M66592_CPU_ADR_RD_WR,
+ M66592_DMA0CFG);
+ }
}
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
static void disable_controller(struct m66592 *m66592)
{
-#if !defined(CONFIG_SUPERH_BUILT_IN_M66592)
- m66592_bclr(m66592, M66592_SCKE, M66592_SYSCFG);
- udelay(1);
- m66592_bclr(m66592, M66592_PLLC, M66592_SYSCFG);
- udelay(1);
- m66592_bclr(m66592, M66592_RCKE, M66592_SYSCFG);
- udelay(1);
- m66592_bclr(m66592, M66592_XCKE, M66592_SYSCFG);
-#endif
+ if (!m66592->pdata->on_chip) {
+ m66592_bclr(m66592, M66592_SCKE, M66592_SYSCFG);
+ udelay(1);
+ m66592_bclr(m66592, M66592_PLLC, M66592_SYSCFG);
+ udelay(1);
+ m66592_bclr(m66592, M66592_RCKE, M66592_SYSCFG);
+ udelay(1);
+ m66592_bclr(m66592, M66592_XCKE, M66592_SYSCFG);
+ }
}
static void m66592_start_xclock(struct m66592 *m66592)
{
-#if !defined(CONFIG_SUPERH_BUILT_IN_M66592)
u16 tmp;
- tmp = m66592_read(m66592, M66592_SYSCFG);
- if (!(tmp & M66592_XCKE))
- m66592_bset(m66592, M66592_XCKE, M66592_SYSCFG);
-#endif
+ if (!m66592->pdata->on_chip) {
+ tmp = m66592_read(m66592, M66592_SYSCFG);
+ if (!(tmp & M66592_XCKE))
+ m66592_bset(m66592, M66592_XCKE, M66592_SYSCFG);
+ }
}
/*-------------------------------------------------------------------------*/
@@ -1169,8 +1197,7 @@ static irqreturn_t m66592_irq(int irq, void *_m66592)
intsts0 = m66592_read(m66592, M66592_INTSTS0);
intenb0 = m66592_read(m66592, M66592_INTENB0);
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
- if (!intsts0 && !intenb0) {
+ if (m66592->pdata->on_chip && !intsts0 && !intenb0) {
/*
* When USB clock stops, it cannot read register. Even if a
* clock stops, the interrupt occurs. So this driver turn on
@@ -1180,7 +1207,6 @@ static irqreturn_t m66592_irq(int irq, void *_m66592)
intsts0 = m66592_read(m66592, M66592_INTSTS0);
intenb0 = m66592_read(m66592, M66592_INTENB0);
}
-#endif
savepipe = m66592_read(m66592, M66592_CFIFOSEL);
@@ -1526,9 +1552,11 @@ static int __exit m66592_remove(struct platform_device *pdev)
iounmap(m66592->reg);
free_irq(platform_get_irq(pdev, 0), m66592);
m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req);
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
- clk_disable(m66592->clk);
- clk_put(m66592->clk);
+#ifdef CONFIG_HAVE_CLK
+ if (m66592->pdata->on_chip) {
+ clk_disable(m66592->clk);
+ clk_put(m66592->clk);
+ }
#endif
kfree(m66592);
return 0;
@@ -1540,11 +1568,10 @@ static void nop_completion(struct usb_ep *ep, struct usb_request *r)
static int __init m66592_probe(struct platform_device *pdev)
{
- struct resource *res;
- int irq;
+ struct resource *res, *ires;
void __iomem *reg = NULL;
struct m66592 *m66592 = NULL;
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
char clk_name[8];
#endif
int ret = 0;
@@ -1557,10 +1584,11 @@ static int __init m66592_probe(struct platform_device *pdev)
goto clean_up;
}
- irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
+ ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!ires) {
ret = -ENODEV;
- pr_err("platform_get_irq error.\n");
+ dev_err(&pdev->dev,
+ "platform_get_resource IORESOURCE_IRQ error.\n");
goto clean_up;
}
@@ -1571,6 +1599,12 @@ static int __init m66592_probe(struct platform_device *pdev)
goto clean_up;
}
+ if (pdev->dev.platform_data == NULL) {
+ dev_err(&pdev->dev, "no platform data\n");
+ ret = -ENODEV;
+ goto clean_up;
+ }
+
/* initialize ucd */
m66592 = kzalloc(sizeof(struct m66592), GFP_KERNEL);
if (m66592 == NULL) {
@@ -1578,6 +1612,9 @@ static int __init m66592_probe(struct platform_device *pdev)
goto clean_up;
}
+ m66592->pdata = pdev->dev.platform_data;
+ m66592->irq_trigger = ires->flags & IRQF_TRIGGER_MASK;
+
spin_lock_init(&m66592->lock);
dev_set_drvdata(&pdev->dev, m66592);
@@ -1595,22 +1632,25 @@ static int __init m66592_probe(struct platform_device *pdev)
m66592->timer.data = (unsigned long)m66592;
m66592->reg = reg;
- ret = request_irq(irq, m66592_irq, IRQF_DISABLED | IRQF_SHARED,
+ ret = request_irq(ires->start, m66592_irq, IRQF_DISABLED | IRQF_SHARED,
udc_name, m66592);
if (ret < 0) {
pr_err("request_irq error (%d)\n", ret);
goto clean_up;
}
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
- snprintf(clk_name, sizeof(clk_name), "usbf%d", pdev->id);
- m66592->clk = clk_get(&pdev->dev, clk_name);
- if (IS_ERR(m66592->clk)) {
- dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
- ret = PTR_ERR(m66592->clk);
- goto clean_up2;
+#ifdef CONFIG_HAVE_CLK
+ if (m66592->pdata->on_chip) {
+ snprintf(clk_name, sizeof(clk_name), "usbf%d", pdev->id);
+ m66592->clk = clk_get(&pdev->dev, clk_name);
+ if (IS_ERR(m66592->clk)) {
+ dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
+ clk_name);
+ ret = PTR_ERR(m66592->clk);
+ goto clean_up2;
+ }
+ clk_enable(m66592->clk);
}
- clk_enable(m66592->clk);
#endif
INIT_LIST_HEAD(&m66592->gadget.ep_list);
m66592->gadget.ep0 = &m66592->ep[0].ep;
@@ -1652,12 +1692,14 @@ static int __init m66592_probe(struct platform_device *pdev)
return 0;
clean_up3:
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
- clk_disable(m66592->clk);
- clk_put(m66592->clk);
+#ifdef CONFIG_HAVE_CLK
+ if (m66592->pdata->on_chip) {
+ clk_disable(m66592->clk);
+ clk_put(m66592->clk);
+ }
clean_up2:
#endif
- free_irq(irq, m66592);
+ free_irq(ires->start, m66592);
clean_up:
if (m66592) {
if (m66592->ep0_req)
diff --git a/drivers/usb/gadget/m66592-udc.h b/drivers/usb/gadget/m66592-udc.h
index 9a9c2bf9fbd5..8b960deed680 100644
--- a/drivers/usb/gadget/m66592-udc.h
+++ b/drivers/usb/gadget/m66592-udc.h
@@ -23,10 +23,12 @@
#ifndef __M66592_UDC_H__
#define __M66592_UDC_H__
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
#include <linux/clk.h>
#endif
+#include <linux/usb/m66592.h>
+
#define M66592_SYSCFG 0x00
#define M66592_XTAL 0xC000 /* b15-14: Crystal selection */
#define M66592_XTAL48 0x8000 /* 48MHz */
@@ -76,11 +78,11 @@
#define M66592_P_TST_J 0x0001 /* PERI TEST J */
#define M66592_P_TST_NORMAL 0x0000 /* PERI Normal Mode */
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
+/* built-in registers */
#define M66592_CFBCFG 0x0A
#define M66592_D0FBCFG 0x0C
#define M66592_LITTLE 0x0100 /* b8: Little endian mode */
-#else
+/* external chip case */
#define M66592_PINCFG 0x0A
#define M66592_LDRV 0x8000 /* b15: Drive Current Adjust */
#define M66592_BIGEND 0x0100 /* b8: Big endian mode */
@@ -100,8 +102,8 @@
#define M66592_PKTM 0x0020 /* b5: Packet mode */
#define M66592_DENDE 0x0010 /* b4: Dend enable */
#define M66592_OBUS 0x0004 /* b2: OUTbus mode */
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
+/* common case */
#define M66592_CFIFO 0x10
#define M66592_D0FIFO 0x14
#define M66592_D1FIFO 0x18
@@ -113,13 +115,9 @@
#define M66592_REW 0x4000 /* b14: Buffer rewind */
#define M66592_DCLRM 0x2000 /* b13: DMA buffer clear mode */
#define M66592_DREQE 0x1000 /* b12: DREQ output enable */
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
-#define M66592_MBW 0x0800 /* b11: Maximum bit width for FIFO */
-#else
-#define M66592_MBW 0x0400 /* b10: Maximum bit width for FIFO */
-#define M66592_MBW_8 0x0000 /* 8bit */
-#define M66592_MBW_16 0x0400 /* 16bit */
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
+#define M66592_MBW_8 0x0000 /* 8bit */
+#define M66592_MBW_16 0x0400 /* 16bit */
+#define M66592_MBW_32 0x0800 /* 32bit */
#define M66592_TRENB 0x0200 /* b9: Transaction counter enable */
#define M66592_TRCLR 0x0100 /* b8: Transaction counter clear */
#define M66592_DEZPM 0x0080 /* b7: Zero-length packet mode */
@@ -480,9 +478,11 @@ struct m66592_ep {
struct m66592 {
spinlock_t lock;
void __iomem *reg;
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
struct clk *clk;
#endif
+ struct m66592_platdata *pdata;
+ unsigned long irq_trigger;
struct usb_gadget gadget;
struct usb_gadget_driver *driver;
@@ -546,13 +546,13 @@ static inline void m66592_read_fifo(struct m66592 *m66592,
{
unsigned long fifoaddr = (unsigned long)m66592->reg + offset;
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
- len = (len + 3) / 4;
- insl(fifoaddr, buf, len);
-#else
- len = (len + 1) / 2;
- insw(fifoaddr, buf, len);
-#endif
+ if (m66592->pdata->on_chip) {
+ len = (len + 3) / 4;
+ insl(fifoaddr, buf, len);
+ } else {
+ len = (len + 1) / 2;
+ insw(fifoaddr, buf, len);
+ }
}
static inline void m66592_write(struct m66592 *m66592, u16 val,
@@ -566,33 +566,34 @@ static inline void m66592_write_fifo(struct m66592 *m66592,
void *buf, unsigned long len)
{
unsigned long fifoaddr = (unsigned long)m66592->reg + offset;
-#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
- unsigned long count;
- unsigned char *pb;
- int i;
-
- count = len / 4;
- outsl(fifoaddr, buf, count);
-
- if (len & 0x00000003) {
- pb = buf + count * 4;
- for (i = 0; i < (len & 0x00000003); i++) {
- if (m66592_read(m66592, M66592_CFBCFG)) /* little */
- outb(pb[i], fifoaddr + (3 - i));
- else
- outb(pb[i], fifoaddr + i);
+
+ if (m66592->pdata->on_chip) {
+ unsigned long count;
+ unsigned char *pb;
+ int i;
+
+ count = len / 4;
+ outsl(fifoaddr, buf, count);
+
+ if (len & 0x00000003) {
+ pb = buf + count * 4;
+ for (i = 0; i < (len & 0x00000003); i++) {
+ if (m66592_read(m66592, M66592_CFBCFG)) /* le */
+ outb(pb[i], fifoaddr + (3 - i));
+ else
+ outb(pb[i], fifoaddr + i);
+ }
+ }
+ } else {
+ unsigned long odd = len & 0x0001;
+
+ len = len / 2;
+ outsw(fifoaddr, buf, len);
+ if (odd) {
+ unsigned char *p = buf + len*2;
+ outb(*p, fifoaddr);
}
}
-#else
- unsigned long odd = len & 0x0001;
-
- len = len / 2;
- outsw(fifoaddr, buf, len);
- if (odd) {
- unsigned char *p = buf + len*2;
- outb(*p, fifoaddr);
- }
-#endif /* #if defined(CONFIG_SUPERH_BUILT_IN_M66592) */
}
static inline void m66592_mdfy(struct m66592 *m66592, u16 val, u16 pat,
diff --git a/include/linux/usb/m66592.h b/include/linux/usb/m66592.h
new file mode 100644
index 000000000000..cda9625e7df0
--- /dev/null
+++ b/include/linux/usb/m66592.h
@@ -0,0 +1,44 @@
+/*
+ * M66592 driver platform data
+ *
+ * Copyright (C) 2009 Renesas Solutions Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __LINUX_USB_M66592_H
+#define __LINUX_USB_M66592_H
+
+#define M66592_PLATDATA_XTAL_12MHZ 0x01
+#define M66592_PLATDATA_XTAL_24MHZ 0x02
+#define M66592_PLATDATA_XTAL_48MHZ 0x03
+
+struct m66592_platdata {
+ /* one = on chip controller, zero = external controller */
+ unsigned on_chip:1;
+
+ /* one = big endian, zero = little endian */
+ unsigned endian:1;
+
+ /* (external controller only) M66592_PLATDATA_XTAL_nnMHZ */
+ unsigned xtal:2;
+
+ /* (external controller only) one = 3.3V, zero = 1.5V */
+ unsigned vif:1;
+
+};
+
+#endif /* __LINUX_USB_M66592_H */
+
--
GitLab
From c690be1cb48cf5a95c34c879841cc6e2c4fbc425 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 22 Jul 2009 14:58:39 +0000
Subject: [PATCH 066/742] i2c: change i2c-sh_mobile.c module_init() to
subsys_initcall()
Convert the i2c-sh_mobile i2c bus driver to use
subsys_initcall() instead of module_init().
This change makes the driver register a bit earlier which
together with earlier platform data moves the time for probe().
The earlier probe() makes it possible to use i2c_get_adapter()
and i2c_transfer() from device_initcall().
The same strategy is used by other i2c bus drivers such as
i2c-pxa.c and i2c-s3c2410.c.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/i2c/busses/i2c-sh_mobile.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 4f3d99cd1692..820487d0d5c7 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -637,7 +637,7 @@ static void __exit sh_mobile_i2c_adap_exit(void)
platform_driver_unregister(&sh_mobile_i2c_driver);
}
-module_init(sh_mobile_i2c_adap_init);
+subsys_initcall(sh_mobile_i2c_adap_init);
module_exit(sh_mobile_i2c_adap_exit);
MODULE_DESCRIPTION("SuperH Mobile I2C Bus Controller driver");
--
GitLab
From 955c9863bb5855a994751843e7066017edc00410 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 22 Jul 2009 15:14:29 +0000
Subject: [PATCH 067/742] sh: convert processor device setup functions to
arch_initcall()
Convert the processor platform device setup
functions from __initcall() and sometimes
device_initcall() to arch_initcall().
This makes sure that the platform devices are
registered a bit earlier so the devices are
available when drivers register using initcall
levels earlier than device_initcall().
A good example is platform devices needed by
i2c-sh_mobile.c which registers a bit earlier
using subsys_initcall().
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh2/setup-sh7619.c | 2 +-
arch/sh/kernel/cpu/sh2a/setup-mxg.c | 2 +-
arch/sh/kernel/cpu/sh2a/setup-sh7201.c | 2 +-
arch/sh/kernel/cpu/sh2a/setup-sh7203.c | 2 +-
arch/sh/kernel/cpu/sh2a/setup-sh7206.c | 2 +-
arch/sh/kernel/cpu/sh3/setup-sh7705.c | 2 +-
arch/sh/kernel/cpu/sh3/setup-sh770x.c | 2 +-
arch/sh/kernel/cpu/sh3/setup-sh7710.c | 2 +-
arch/sh/kernel/cpu/sh3/setup-sh7720.c | 2 +-
arch/sh/kernel/cpu/sh4/setup-sh4-202.c | 2 +-
arch/sh/kernel/cpu/sh4/setup-sh7750.c | 2 +-
arch/sh/kernel/cpu/sh4/setup-sh7760.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7343.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7724.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7763.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7770.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7780.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7785.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-sh7786.c | 2 +-
arch/sh/kernel/cpu/sh4a/setup-shx3.c | 2 +-
arch/sh/kernel/cpu/sh5/setup-sh5.c | 2 +-
24 files changed, 24 insertions(+), 24 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
index 13798733f2db..8555c05e8667 100644
--- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c
+++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
@@ -187,7 +187,7 @@ static int __init sh7619_devices_setup(void)
return platform_add_devices(sh7619_devices,
ARRAY_SIZE(sh7619_devices));
}
-__initcall(sh7619_devices_setup);
+arch_initcall(sh7619_devices_setup);
void __init plat_irq_setup(void)
{
diff --git a/arch/sh/kernel/cpu/sh2a/setup-mxg.c b/arch/sh/kernel/cpu/sh2a/setup-mxg.c
index 869c2da4820b..b67376445315 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-mxg.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-mxg.c
@@ -238,7 +238,7 @@ static int __init mxg_devices_setup(void)
return platform_add_devices(mxg_devices,
ARRAY_SIZE(mxg_devices));
}
-__initcall(mxg_devices_setup);
+arch_initcall(mxg_devices_setup);
void __init plat_irq_setup(void)
{
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7201.c b/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
index d8febe128066..fbde5b75deb9 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
@@ -357,7 +357,7 @@ static int __init sh7201_devices_setup(void)
return platform_add_devices(sh7201_devices,
ARRAY_SIZE(sh7201_devices));
}
-__initcall(sh7201_devices_setup);
+arch_initcall(sh7201_devices_setup);
void __init plat_irq_setup(void)
{
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
index 62e3039d2398..d3fd536c9a84 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
@@ -367,7 +367,7 @@ static int __init sh7203_devices_setup(void)
return platform_add_devices(sh7203_devices,
ARRAY_SIZE(sh7203_devices));
}
-__initcall(sh7203_devices_setup);
+arch_initcall(sh7203_devices_setup);
void __init plat_irq_setup(void)
{
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
index 3e6f3d7a58be..a9ccc5e8d9e9 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
@@ -338,7 +338,7 @@ static int __init sh7206_devices_setup(void)
return platform_add_devices(sh7206_devices,
ARRAY_SIZE(sh7206_devices));
}
-__initcall(sh7206_devices_setup);
+arch_initcall(sh7206_devices_setup);
void __init plat_irq_setup(void)
{
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
index 88f742fed9ed..c23105983878 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
@@ -222,7 +222,7 @@ static int __init sh7705_devices_setup(void)
return platform_add_devices(sh7705_devices,
ARRAY_SIZE(sh7705_devices));
}
-__initcall(sh7705_devices_setup);
+arch_initcall(sh7705_devices_setup);
static struct platform_device *sh7705_early_devices[] __initdata = {
&tmu0_device,
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh770x.c b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
index c56306798584..347ab35d0697 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh770x.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
@@ -250,7 +250,7 @@ static int __init sh770x_devices_setup(void)
return platform_add_devices(sh770x_devices,
ARRAY_SIZE(sh770x_devices));
}
-__initcall(sh770x_devices_setup);
+arch_initcall(sh770x_devices_setup);
static struct platform_device *sh770x_early_devices[] __initdata = {
&tmu0_device,
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
index efa76c8148f4..717e90ae1097 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
@@ -226,7 +226,7 @@ static int __init sh7710_devices_setup(void)
return platform_add_devices(sh7710_devices,
ARRAY_SIZE(sh7710_devices));
}
-__initcall(sh7710_devices_setup);
+arch_initcall(sh7710_devices_setup);
static struct platform_device *sh7710_early_devices[] __initdata = {
&tmu0_device,
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
index 5b2107798edb..74d8baaf8e96 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
@@ -388,7 +388,7 @@ static int __init sh7720_devices_setup(void)
return platform_add_devices(sh7720_devices,
ARRAY_SIZE(sh7720_devices));
}
-__initcall(sh7720_devices_setup);
+arch_initcall(sh7720_devices_setup);
static struct platform_device *sh7720_early_devices[] __initdata = {
&cmt0_device,
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
index 6d088d123591..de4827df19aa 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
@@ -138,7 +138,7 @@ static int __init sh4202_devices_setup(void)
return platform_add_devices(sh4202_devices,
ARRAY_SIZE(sh4202_devices));
}
-__initcall(sh4202_devices_setup);
+arch_initcall(sh4202_devices_setup);
static struct platform_device *sh4202_early_devices[] __initdata = {
&tmu0_device,
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index 851672d15cf4..1b8b122e8f3d 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -239,7 +239,7 @@ static int __init sh7750_devices_setup(void)
return platform_add_devices(sh7750_devices,
ARRAY_SIZE(sh7750_devices));
}
-__initcall(sh7750_devices_setup);
+arch_initcall(sh7750_devices_setup);
static struct platform_device *sh7750_early_devices[] __initdata = {
&tmu0_device,
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
index 5b822519bd90..7fbb7be9284c 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
@@ -265,7 +265,7 @@ static int __init sh7760_devices_setup(void)
return platform_add_devices(sh7760_devices,
ARRAY_SIZE(sh7760_devices));
}
-__initcall(sh7760_devices_setup);
+arch_initcall(sh7760_devices_setup);
static struct platform_device *sh7760_early_devices[] __initdata = {
&tmu0_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
index 6307e087c864..ac4d5672ec1a 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
@@ -325,7 +325,7 @@ static int __init sh7343_devices_setup(void)
return platform_add_devices(sh7343_devices,
ARRAY_SIZE(sh7343_devices));
}
-__initcall(sh7343_devices_setup);
+arch_initcall(sh7343_devices_setup);
static struct platform_device *sh7343_early_devices[] __initdata = {
&cmt_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
index f6d208813564..4a9010bf4fd3 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
@@ -318,7 +318,7 @@ static int __init sh7366_devices_setup(void)
return platform_add_devices(sh7366_devices,
ARRAY_SIZE(sh7366_devices));
}
-__initcall(sh7366_devices_setup);
+arch_initcall(sh7366_devices_setup);
static struct platform_device *sh7366_early_devices[] __initdata = {
&cmt_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 0bad14a44238..67b0d87fcb27 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -365,7 +365,7 @@ static int __init sh7722_devices_setup(void)
return platform_add_devices(sh7722_devices,
ARRAY_SIZE(sh7722_devices));
}
-__initcall(sh7722_devices_setup);
+arch_initcall(sh7722_devices_setup);
static struct platform_device *sh7722_early_devices[] __initdata = {
&cmt_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
index 28516499a2c4..26dc4d323252 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
@@ -473,7 +473,7 @@ static int __init sh7723_devices_setup(void)
return platform_add_devices(sh7723_devices,
ARRAY_SIZE(sh7723_devices));
}
-__initcall(sh7723_devices_setup);
+arch_initcall(sh7723_devices_setup);
static struct platform_device *sh7723_early_devices[] __initdata = {
&cmt_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index e5ac9eb11c63..a04edaab9a29 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -508,7 +508,7 @@ static int __init sh7724_devices_setup(void)
return platform_add_devices(sh7724_devices,
ARRAY_SIZE(sh7724_devices));
}
-device_initcall(sh7724_devices_setup);
+arch_initcall(sh7724_devices_setup);
static struct platform_device *sh7724_early_devices[] __initdata = {
&cmt_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
index f1e0c0d36da7..4659fff6b842 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
@@ -314,7 +314,7 @@ static int __init sh7763_devices_setup(void)
return platform_add_devices(sh7763_devices,
ARRAY_SIZE(sh7763_devices));
}
-__initcall(sh7763_devices_setup);
+arch_initcall(sh7763_devices_setup);
static struct platform_device *sh7763_early_devices[] __initdata = {
&tmu0_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
index 1e86209db284..eead08d89d32 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
@@ -368,7 +368,7 @@ static int __init sh7770_devices_setup(void)
return platform_add_devices(sh7770_devices,
ARRAY_SIZE(sh7770_devices));
}
-__initcall(sh7770_devices_setup);
+arch_initcall(sh7770_devices_setup);
static struct platform_device *sh7770_early_devices[] __initdata = {
&tmu0_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index 715e05b431e5..2c901f446959 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
@@ -256,7 +256,7 @@ static int __init sh7780_devices_setup(void)
return platform_add_devices(sh7780_devices,
ARRAY_SIZE(sh7780_devices));
}
-__initcall(sh7780_devices_setup);
+arch_initcall(sh7780_devices_setup);
static struct platform_device *sh7780_early_devices[] __initdata = {
&tmu0_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index af561402570b..7f6c718b6c36 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -263,7 +263,7 @@ static int __init sh7785_devices_setup(void)
return platform_add_devices(sh7785_devices,
ARRAY_SIZE(sh7785_devices));
}
-__initcall(sh7785_devices_setup);
+arch_initcall(sh7785_devices_setup);
static struct platform_device *sh7785_early_devices[] __initdata = {
&tmu0_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
index b70049470a0b..0104a8ec5369 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
@@ -547,7 +547,7 @@ static int __init sh7786_devices_setup(void)
return platform_add_devices(sh7786_devices,
ARRAY_SIZE(sh7786_devices));
}
-device_initcall(sh7786_devices_setup);
+arch_initcall(sh7786_devices_setup);
void __init plat_early_device_setup(void)
{
diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
index 53c65fd9ccef..07f078961c71 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
@@ -256,7 +256,7 @@ static int __init shx3_devices_setup(void)
return platform_add_devices(shx3_devices,
ARRAY_SIZE(shx3_devices));
}
-__initcall(shx3_devices_setup);
+arch_initcall(shx3_devices_setup);
void __init plat_early_device_setup(void)
{
diff --git a/arch/sh/kernel/cpu/sh5/setup-sh5.c b/arch/sh/kernel/cpu/sh5/setup-sh5.c
index f5ff1ac57fc2..6a0f82f70032 100644
--- a/arch/sh/kernel/cpu/sh5/setup-sh5.c
+++ b/arch/sh/kernel/cpu/sh5/setup-sh5.c
@@ -186,7 +186,7 @@ static int __init sh5_devices_setup(void)
return platform_add_devices(sh5_devices,
ARRAY_SIZE(sh5_devices));
}
-__initcall(sh5_devices_setup);
+arch_initcall(sh5_devices_setup);
void __init plat_early_device_setup(void)
{
--
GitLab
From e7d165146a7de5ceb4f68e188b2679f003744f54 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 22 Jul 2009 16:20:54 +0000
Subject: [PATCH 068/742] sh: kfr2r09 board support - SCIF console
This patch adds basic kfr2r09 board support. Only
the SCIF1 console is supported with this patch, but
this patch and a proper sh7724 configuration is all
that is needed. Combine with an initramfs to have a
small RAM based kernel and distribution booted as
zImage from RAM via JTAG.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Makefile | 1 +
arch/sh/boards/Kconfig | 7 ++++
arch/sh/boards/mach-kfr2r09/Makefile | 1 +
arch/sh/boards/mach-kfr2r09/setup.c | 48 ++++++++++++++++++++++++++++
4 files changed, 57 insertions(+)
create mode 100644 arch/sh/boards/mach-kfr2r09/Makefile
create mode 100644 arch/sh/boards/mach-kfr2r09/setup.c
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 75d049b03f7e..d7358d70f154 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -136,6 +136,7 @@ machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh
machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705
machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
machdir-$(CONFIG_SH_MIGOR) += mach-migor
+machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 2b1af0eefa6a..db04c85971ad 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -193,6 +193,13 @@ config SH_AP325RXA
Renesas "AP-325RXA" support.
Compatible with ALGO SYSTEM CO.,LTD. "AP-320A"
+config SH_KFR2R09
+ bool "KFR2R09"
+ depends on CPU_SUBTYPE_SH7724
+ select ARCH_REQUIRE_GPIOLIB
+ help
+ "Kit For R2R for 2009" support.
+
config SH_SH7763RDP
bool "SH7763RDP"
depends on CPU_SUBTYPE_SH7763
diff --git a/arch/sh/boards/mach-kfr2r09/Makefile b/arch/sh/boards/mach-kfr2r09/Makefile
new file mode 100644
index 000000000000..77037567633b
--- /dev/null
+++ b/arch/sh/boards/mach-kfr2r09/Makefile
@@ -0,0 +1 @@
+obj-y := setup.o
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
new file mode 100644
index 000000000000..224318abc9e6
--- /dev/null
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -0,0 +1,48 @@
+/*
+ * KFR2R09 board support code
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/gpio.h>
+#include <asm/clock.h>
+#include <asm/machvec.h>
+#include <asm/io.h>
+#include <cpu/sh7724.h>
+
+static int __init kfr2r09_devices_setup(void)
+{
+ /* enable SCIF1 serial port for YC401 console support */
+ gpio_request(GPIO_FN_SCIF1_RXD, NULL);
+ gpio_request(GPIO_FN_SCIF1_TXD, NULL);
+
+ return 0;
+}
+device_initcall(kfr2r09_devices_setup);
+
+/* Return the board specific boot mode pin configuration */
+static int kfr2r09_mode_pins(void)
+{
+ /* MD0=1, MD1=1, MD2=0: Clock Mode 3
+ * MD3=0: 16-bit Area0 Bus Width
+ * MD5=1: Little Endian
+ * MD8=1: Test Mode Disabled
+ */
+ return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
+}
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_kfr2r09 __initmv = {
+ .mv_name = "kfr2r09",
+ .mv_mode_pins = kfr2r09_mode_pins,
+};
--
GitLab
From a366aa64f3a51ca3deebe74447f929a5614d9b90 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 22 Jul 2009 16:22:28 +0000
Subject: [PATCH 069/742] sh: kfr2r09 board support - NOR flash
This patch adds NOR flash support to the kfr2r09 board.
NOR flash support is added by describing the NOR flash
chip hooked up to CS0 as platform device data for the
physmap-flash MTD driver.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-kfr2r09/setup.c | 54 ++++++++++++++++++++++++++++-
1 file changed, 53 insertions(+), 1 deletion(-)
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 224318abc9e6..382bf1884300 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -10,6 +10,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
+#include <linux/mtd/physmap.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/gpio.h>
@@ -18,13 +19,64 @@
#include <asm/io.h>
#include <cpu/sh7724.h>
+static struct mtd_partition kfr2r09_nor_flash_partitions[] =
+{
+ {
+ .name = "boot",
+ .offset = 0,
+ .size = (4 * 1024 * 1024),
+ .mask_flags = MTD_WRITEABLE, /* Read-only */
+ },
+ {
+ .name = "other",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct physmap_flash_data kfr2r09_nor_flash_data = {
+ .width = 2,
+ .parts = kfr2r09_nor_flash_partitions,
+ .nr_parts = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
+};
+
+static struct resource kfr2r09_nor_flash_resources[] = {
+ [0] = {
+ .name = "NOR Flash",
+ .start = 0x00000000,
+ .end = 0x03ffffff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device kfr2r09_nor_flash_device = {
+ .name = "physmap-flash",
+ .resource = kfr2r09_nor_flash_resources,
+ .num_resources = ARRAY_SIZE(kfr2r09_nor_flash_resources),
+ .dev = {
+ .platform_data = &kfr2r09_nor_flash_data,
+ },
+};
+
+static struct platform_device *kfr2r09_devices[] __initdata = {
+ &kfr2r09_nor_flash_device,
+};
+
+#define BSC_CS0BCR 0xfec10004
+#define BSC_CS0WCR 0xfec10024
+
static int __init kfr2r09_devices_setup(void)
{
/* enable SCIF1 serial port for YC401 console support */
gpio_request(GPIO_FN_SCIF1_RXD, NULL);
gpio_request(GPIO_FN_SCIF1_TXD, NULL);
- return 0;
+ /* setup NOR flash at CS0 */
+ ctrl_outl(0x36db0400, BSC_CS0BCR);
+ ctrl_outl(0x00000500, BSC_CS0WCR);
+
+ return platform_add_devices(kfr2r09_devices,
+ ARRAY_SIZE(kfr2r09_devices));
}
device_initcall(kfr2r09_devices_setup);
--
GitLab
From 39a6bf1426af4aed2348bb533481027862346a37 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 22 Jul 2009 16:23:45 +0000
Subject: [PATCH 070/742] sh: kfr2r09 board support - KEYSC keypad
This patch adds KEYSC keypad support to the kfr2r09 board.
The keys driven by the sh7724 on-chip KEYSC block are
described as a platform device and platform data for
the sh_keysc driver.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-kfr2r09/setup.c | 53 +++++++++++++++++++++++++++++
1 file changed, 53 insertions(+)
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 382bf1884300..bf5f8f8d3b5f 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -14,9 +14,11 @@
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/gpio.h>
+#include <linux/input.h>
#include <asm/clock.h>
#include <asm/machvec.h>
#include <asm/io.h>
+#include <asm/sh_keysc.h>
#include <cpu/sh7724.h>
static struct mtd_partition kfr2r09_nor_flash_partitions[] =
@@ -58,8 +60,46 @@ static struct platform_device kfr2r09_nor_flash_device = {
},
};
+static struct sh_keysc_info kfr2r09_sh_keysc_info = {
+ .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
+ .scan_timing = 3,
+ .delay = 10,
+ .keycodes = {
+ KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
+ KEY_1, KEY_2, KEY_3, 0, KEY_UP,
+ KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
+ KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
+ KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
+ 0, 0, 0, 0, 0
+ },
+};
+
+static struct resource kfr2r09_sh_keysc_resources[] = {
+ [0] = {
+ .name = "KEYSC",
+ .start = 0x044b0000,
+ .end = 0x044b000f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 79,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kfr2r09_sh_keysc_device = {
+ .name = "sh_keysc",
+ .id = 0, /* "keysc0" clock */
+ .num_resources = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
+ .resource = kfr2r09_sh_keysc_resources,
+ .dev = {
+ .platform_data = &kfr2r09_sh_keysc_info,
+ },
+};
+
static struct platform_device *kfr2r09_devices[] __initdata = {
&kfr2r09_nor_flash_device,
+ &kfr2r09_sh_keysc_device,
};
#define BSC_CS0BCR 0xfec10004
@@ -75,6 +115,19 @@ static int __init kfr2r09_devices_setup(void)
ctrl_outl(0x36db0400, BSC_CS0BCR);
ctrl_outl(0x00000500, BSC_CS0WCR);
+ /* setup KEYSC pins */
+ gpio_request(GPIO_FN_KEYOUT0, NULL);
+ gpio_request(GPIO_FN_KEYOUT1, NULL);
+ gpio_request(GPIO_FN_KEYOUT2, NULL);
+ gpio_request(GPIO_FN_KEYOUT3, NULL);
+ gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
+ gpio_request(GPIO_FN_KEYIN0, NULL);
+ gpio_request(GPIO_FN_KEYIN1, NULL);
+ gpio_request(GPIO_FN_KEYIN2, NULL);
+ gpio_request(GPIO_FN_KEYIN3, NULL);
+ gpio_request(GPIO_FN_KEYIN4, NULL);
+ gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
+
return platform_add_devices(kfr2r09_devices,
ARRAY_SIZE(kfr2r09_devices));
}
--
GitLab
From 5bdef865eb358b6f3760e25e591ae115e9eeddef Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 23 Jul 2009 08:59:48 +0000
Subject: [PATCH 071/742] sh: kfr2r09 board support - mach-type and defconfig
This patch adds a defconfig and a mach-types entry for
the kfr2r09 board.
At this point only a few devices like SCIF, KEYSC and
NOR Flash are supported together with sh7724 devices
such as IIC0, IIC1 and the multimedia blocks exported
via UIO.
Kexec is supported, but booting from flash is not (yet).
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/configs/kfr2r09_defconfig | 877 ++++++++++++++++++++++++++++++
arch/sh/tools/mach-types | 1 +
2 files changed, 878 insertions(+)
create mode 100644 arch/sh/configs/kfr2r09_defconfig
diff --git a/arch/sh/configs/kfr2r09_defconfig b/arch/sh/configs/kfr2r09_defconfig
new file mode 100644
index 000000000000..90e575c34d58
--- /dev/null
+++ b/arch/sh/configs/kfr2r09_defconfig
@@ -0,0 +1,877 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.31-rc3
+# Thu Jul 23 17:45:09 2009
+#
+CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+# CONFIG_SUPERH64 is not set
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_IRQ_PER_CPU=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_SYS_SUPPORTS_CMT=y
+CONFIG_SYS_SUPPORTS_TMU=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
+CONFIG_ARCH_HAS_DEFAULT_IDLE=y
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+# CONFIG_KALLSYMS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_HAVE_PERF_COUNTERS=y
+
+#
+# Performance Counters
+#
+# CONFIG_PERF_COUNTERS is not set
+CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_STRIP_ASM_SYMS is not set
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+# CONFIG_MODULES is not set
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+# CONFIG_FREEZER is not set
+
+#
+# System type
+#
+CONFIG_CPU_SH4=y
+CONFIG_CPU_SH4A=y
+CONFIG_CPU_SHX2=y
+CONFIG_ARCH_SHMOBILE=y
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7201 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7706 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+# CONFIG_CPU_SUBTYPE_SH7710 is not set
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+# CONFIG_CPU_SUBTYPE_SH7751R is not set
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+CONFIG_CPU_SUBTYPE_SH7724=y
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SH7786 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
+# CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+
+#
+# Memory management options
+#
+CONFIG_QUICKLIST=y
+CONFIG_MMU=y
+CONFIG_PAGE_OFFSET=0x80000000
+CONFIG_FORCE_MAX_ZONEORDER=11
+CONFIG_MEMORY_START=0x08000000
+CONFIG_MEMORY_SIZE=0x08000000
+CONFIG_29BIT=y
+# CONFIG_X2TLB is not set
+CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+
+#
+# Cache configuration
+#
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
+CONFIG_SH_FPU=y
+# CONFIG_SH_STORE_QUEUES is not set
+CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_FPU=y
+
+#
+# Board support
+#
+# CONFIG_SH_7724_SOLUTION_ENGINE is not set
+CONFIG_SH_KFR2R09=y
+
+#
+# Timer and clock configuration
+#
+# CONFIG_SH_TIMER_TMU is not set
+CONFIG_SH_TIMER_CMT=y
+CONFIG_SH_PCLK_FREQ=33333333
+CONFIG_SH_CLK_CPG=y
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+# CONFIG_SH_DMA is not set
+
+#
+# Companion Chips
+#
+
+#
+# Additional SuperH Device Drivers
+#
+# CONFIG_HEARTBEAT is not set
+# CONFIG_PUSH_SWITCH is not set
+
+#
+# Kernel features
+#
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_300 is not set
+CONFIG_HZ_1000=y
+CONFIG_HZ=1000
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_KEXEC=y
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
+# CONFIG_PREEMPT_NONE is not set
+CONFIG_PREEMPT_VOLUNTARY=y
+# CONFIG_PREEMPT is not set
+CONFIG_GUSA=y
+# CONFIG_SPARSE_IRQ is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x00800000
+CONFIG_ENTRY_OFFSET=0x00001000
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="console=ttySC1,115200"
+
+#
+# Bus options
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options (EXPERIMENTAL)
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+# CONFIG_SUSPEND is not set
+# CONFIG_HIBERNATION is not set
+CONFIG_CPU_IDLE=y
+CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_PNP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_MTD_UBI_BEB_RESERVE=1
+# CONFIG_MTD_UBI_GLUEBI is not set
+
+#
+# UBI debugging options
+#
+# CONFIG_MTD_UBI_DEBUG is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_NETDEVICES is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+CONFIG_KEYBOARD_SH_KEYSC=y
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=6
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+# CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_SH_MOBILE=y
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+CONFIG_UIO=y
+# CONFIG_UIO_PDRV is not set
+CONFIG_UIO_PDRV_GENIRQ=y
+# CONFIG_UIO_SMX is not set
+# CONFIG_UIO_SERCOS3 is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+CONFIG_FILE_LOCKING=y
+# CONFIG_FSNOTIFY is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+# CONFIG_NETWORK_FILESYSTEMS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FTRACE_SYSCALLS=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_DMA_API_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_SH_STANDARD_BIOS is not set
+# CONFIG_EARLY_SCIF_CONSOLE is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC_T10DIF=y
+CONFIG_CRC_ITU_T=y
+CONFIG_CRC32=y
+CONFIG_CRC7=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_HAVE_LMB=y
+CONFIG_NLATTR=y
+CONFIG_GENERIC_ATOMIC64=y
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index fec3a53b8650..09eef360dde1 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -56,3 +56,4 @@ SH7785LCR SH_SH7785LCR
URQUELL SH_URQUELL
ESPT SH_ESPT
POLARIS SH_POLARIS
+KFR2R09 SH_KFR2R09
--
GitLab
From dfff0fa65ab15db45acd64b3189787d37ab163cd Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 27 Jul 2009 20:53:22 +0900
Subject: [PATCH 072/742] sh: wire up clear_user_highpage() for sh4, convert
sh7705.
This wires up clear_user_highpage() on SH-4 and subsequently converts the
SH7705 32kB cache mode over to using it. Now that the SH-4 implementation
handles all of the dcache purging directly in the aliasing case, there is
no need to do this in the default clear_page() implementation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 2 +-
arch/sh/include/asm/page.h | 12 ++--
arch/sh/include/asm/pgtable.h | 3 +-
arch/sh/kernel/sh_ksyms_32.c | 6 --
arch/sh/lib/clear_page.S | 46 --------------
arch/sh/mm/Makefile_32 | 2 +-
arch/sh/mm/pg-nommu.c | 7 +--
arch/sh/mm/pg-sh4.c | 29 +++++----
arch/sh/mm/pg-sh7705.c | 102 -------------------------------
9 files changed, 27 insertions(+), 182 deletions(-)
delete mode 100644 arch/sh/mm/pg-sh7705.c
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 4c5462daa74c..4e360114269d 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -49,7 +49,7 @@ static inline void flush_kernel_dcache_page(struct page *page)
flush_dcache_page(page);
}
-#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_CACHE_OFF)
+#if (defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)) && !defined(CONFIG_CACHE_OFF)
extern void copy_to_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len);
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index a31ab40040f0..5208b7bfc24e 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -56,21 +56,25 @@ pages_do_alias(unsigned long addr1, unsigned long addr2)
return (addr1 ^ addr2) & shm_align_mask;
}
-extern void clear_page(void *to);
+
+#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
extern void copy_page(void *to, void *from);
+struct page;
+struct vm_area_struct;
+
#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU) && \
(defined(CONFIG_CPU_SH5) || defined(CONFIG_CPU_SH4) || \
defined(CONFIG_SH7705_CACHE_32KB))
-struct page;
-struct vm_area_struct;
extern void clear_user_page(void *to, unsigned long address, struct page *page);
extern void copy_user_page(void *to, void *from, unsigned long address,
struct page *page);
-#if defined(CONFIG_CPU_SH4)
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
extern void copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr, struct vm_area_struct *vma);
#define __HAVE_ARCH_COPY_USER_HIGHPAGE
+extern void clear_user_highpage(struct page *page, unsigned long vaddr);
+#define clear_user_highpage clear_user_highpage
#endif
#else
#define clear_user_page(page, vaddr, pg) clear_page(page)
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index d9f68f9c3cb3..bef3ab7fc09e 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -141,7 +141,8 @@ extern void paging_init(void);
extern void page_table_range_init(unsigned long start, unsigned long end,
pgd_t *pgd);
-#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_CPU_SH4) && defined(CONFIG_MMU)
+#if !defined(CONFIG_CACHE_OFF) && (defined(CONFIG_CPU_SH4) || \
+ defined(CONFIG_SH7705_CACHE_32KB)) && defined(CONFIG_MMU)
extern void kmap_coherent_init(void);
#else
#define kmap_coherent_init() do { } while (0)
diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index cec610888e28..8dbe26b17c44 100644
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -101,11 +101,6 @@ EXPORT_SYMBOL(flush_cache_range);
EXPORT_SYMBOL(flush_dcache_page);
#endif
-#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU) && \
- (defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB))
-EXPORT_SYMBOL(clear_user_page);
-#endif
-
#ifdef CONFIG_MCOUNT
DECLARE_EXPORT(mcount);
#endif
@@ -114,7 +109,6 @@ EXPORT_SYMBOL(csum_partial_copy_generic);
#ifdef CONFIG_IPV6
EXPORT_SYMBOL(csum_ipv6_magic);
#endif
-EXPORT_SYMBOL(clear_page);
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(__clear_user);
EXPORT_SYMBOL(_ebss);
diff --git a/arch/sh/lib/clear_page.S b/arch/sh/lib/clear_page.S
index 8342bfbde64c..bee9817e055d 100644
--- a/arch/sh/lib/clear_page.S
+++ b/arch/sh/lib/clear_page.S
@@ -8,52 +8,6 @@
#include <linux/linkage.h>
#include <asm/page.h>
-/*
- * clear_page
- * @to: P1 address
- *
- * void clear_page(void *to)
- */
-
-/*
- * r0 --- scratch
- * r4 --- to
- * r5 --- to + PAGE_SIZE
- */
-ENTRY(clear_page)
- mov r4,r5
- mov.l .Llimit,r0
- add r0,r5
- mov #0,r0
- !
-1:
-#if defined(CONFIG_CPU_SH4)
- movca.l r0,@r4
- mov r4,r1
-#else
- mov.l r0,@r4
-#endif
- add #32,r4
- mov.l r0,@-r4
- mov.l r0,@-r4
- mov.l r0,@-r4
- mov.l r0,@-r4
- mov.l r0,@-r4
- mov.l r0,@-r4
- mov.l r0,@-r4
-#if defined(CONFIG_CPU_SH4)
- ocbwb @r1
-#endif
- cmp/eq r5,r4
- bf/s 1b
- add #28,r4
- !
- rts
- nop
-
- .balign 4
-.Llimit: .long (PAGE_SIZE-28)
-
ENTRY(__clear_user)
!
mov #0, r0
diff --git a/arch/sh/mm/Makefile_32 b/arch/sh/mm/Makefile_32
index 986a1e055834..5c04bbb08d36 100644
--- a/arch/sh/mm/Makefile_32
+++ b/arch/sh/mm/Makefile_32
@@ -31,7 +31,7 @@ tlb-$(CONFIG_CPU_HAS_PTEAEX) := tlb-pteaex.o
obj-y += $(tlb-y)
ifndef CONFIG_CACHE_OFF
obj-$(CONFIG_CPU_SH4) += pg-sh4.o
-obj-$(CONFIG_SH7705_CACHE_32KB) += pg-sh7705.o
+obj-$(CONFIG_SH7705_CACHE_32KB) += pg-sh4.o
endif
endif
diff --git a/arch/sh/mm/pg-nommu.c b/arch/sh/mm/pg-nommu.c
index 91ed4e695ff7..7e33b486b7e9 100644
--- a/arch/sh/mm/pg-nommu.c
+++ b/arch/sh/mm/pg-nommu.c
@@ -1,7 +1,7 @@
/*
* arch/sh/mm/pg-nommu.c
*
- * clear_page()/copy_page() implementation for MMUless SH.
+ * copy_page()/__copy_user()/__clear_user() implementations for MMUless SH.
*
* Copyright (C) 2003 Paul Mundt
*
@@ -20,11 +20,6 @@ void copy_page(void *to, void *from)
memcpy(to, from, PAGE_SIZE);
}
-void clear_page(void *to)
-{
- memset(to, 0, PAGE_SIZE);
-}
-
__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n)
{
memcpy(to, from, n);
diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c
index f3c4b2a54fc7..4d93070b8220 100644
--- a/arch/sh/mm/pg-sh4.c
+++ b/arch/sh/mm/pg-sh4.c
@@ -2,7 +2,7 @@
* arch/sh/mm/pg-sh4.c
*
* Copyright (C) 1999, 2000, 2002 Niibe Yutaka
- * Copyright (C) 2002 - 2007 Paul Mundt
+ * Copyright (C) 2002 - 2009 Paul Mundt
*
* Released under the terms of the GNU GPL v2.0.
*/
@@ -58,20 +58,6 @@ static inline void kunmap_coherent(struct page *page)
preempt_check_resched();
}
-/*
- * clear_user_page
- * @to: P1 address
- * @address: U0 address to be mapped
- * @page: page (virt_to_page(to))
- */
-void clear_user_page(void *to, unsigned long address, struct page *page)
-{
- clear_page(to);
-
- if (pages_do_alias((unsigned long)to, address & PAGE_MASK))
- __flush_wback_region(to, PAGE_SIZE);
-}
-
void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
unsigned long len)
@@ -128,3 +114,16 @@ void copy_user_highpage(struct page *to, struct page *from,
smp_wmb();
}
EXPORT_SYMBOL(copy_user_highpage);
+
+void clear_user_highpage(struct page *page, unsigned long vaddr)
+{
+ void *kaddr = kmap_atomic(page, KM_USER0);
+
+ clear_page(kaddr);
+
+ if (pages_do_alias((unsigned long)kaddr, vaddr & PAGE_MASK))
+ __flush_wback_region(kaddr, PAGE_SIZE);
+
+ kunmap_atomic(kaddr, KM_USER0);
+}
+EXPORT_SYMBOL(clear_user_highpage);
diff --git a/arch/sh/mm/pg-sh7705.c b/arch/sh/mm/pg-sh7705.c
deleted file mode 100644
index 684891b5c8c0..000000000000
--- a/arch/sh/mm/pg-sh7705.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * arch/sh/mm/pg-sh7705.c
- *
- * Copyright (C) 1999, 2000 Niibe Yutaka
- * Copyright (C) 2004 Alex Song
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- */
-
-#include <linux/init.h>
-#include <linux/mman.h>
-#include <linux/mm.h>
-#include <linux/threads.h>
-#include <linux/fs.h>
-#include <asm/addrspace.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
-#include <asm/mmu_context.h>
-#include <asm/cacheflush.h>
-
-static void __flush_purge_virtual_region(void *p1, void *virt, int size)
-{
- unsigned long v;
- unsigned long begin, end;
- unsigned long p1_begin;
-
-
- begin = L1_CACHE_ALIGN((unsigned long)virt);
- end = L1_CACHE_ALIGN((unsigned long)virt + size);
-
- p1_begin = (unsigned long)p1 & ~(L1_CACHE_BYTES - 1);
-
- /* do this the slow way as we may not have TLB entries
- * for virt yet. */
- for (v = begin; v < end; v += L1_CACHE_BYTES) {
- unsigned long p;
- unsigned long ways, addr;
-
- p = __pa(p1_begin);
-
- ways = current_cpu_data.dcache.ways;
- addr = CACHE_OC_ADDRESS_ARRAY;
-
- do {
- unsigned long data;
-
- addr |= (v & current_cpu_data.dcache.entry_mask);
-
- data = ctrl_inl(addr);
- if ((data & CACHE_PHYSADDR_MASK) ==
- (p & CACHE_PHYSADDR_MASK)) {
- data &= ~(SH_CACHE_UPDATED|SH_CACHE_VALID);
- ctrl_outl(data, addr);
- }
-
- addr += current_cpu_data.dcache.way_incr;
- } while (--ways);
-
- p1_begin += L1_CACHE_BYTES;
- }
-}
-
-/*
- * clear_user_page
- * @to: P1 address
- * @address: U0 address to be mapped
- */
-void clear_user_page(void *to, unsigned long address, struct page *pg)
-{
- if (pages_do_alias(address, (unsigned long)to))
- __flush_purge_virtual_region(to,
- (void *)(address & 0xfffff000),
- PAGE_SIZE);
-
- clear_page(to);
- __flush_wback_region(to, PAGE_SIZE);
-}
-
-/*
- * copy_user_page
- * @to: P1 address
- * @from: P1 address
- * @address: U0 address to be mapped
- */
-void copy_user_page(void *to, void *from, unsigned long address, struct page *pg)
-{
- if (pages_do_alias(address, (unsigned long)to))
- __flush_purge_virtual_region(to,
- (void *)(address & 0xfffff000),
- PAGE_SIZE);
-
- copy_page(to, from);
- __flush_wback_region(to, PAGE_SIZE);
-}
--
GitLab
From 221c007b028ebf663ebee4fc90483909547d92a7 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 27 Jul 2009 20:55:46 +0900
Subject: [PATCH 073/742] sh: Rename arch/sh/lib/clear_page.S ->
__clear_user.S.
Now that this only contains the __clear_user() function, rename it
accordingly.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/lib/Makefile | 2 +-
arch/sh/lib/{clear_page.S => __clear_user.S} | 0
2 files changed, 1 insertion(+), 1 deletion(-)
rename arch/sh/lib/{clear_page.S => __clear_user.S} (100%)
diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index c2b28d8b2dd1..a969b47c5463 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -23,7 +23,7 @@ obj-y += io.o
memcpy-y := memcpy.o
memcpy-$(CONFIG_CPU_SH4) := memcpy-sh4.o
-lib-$(CONFIG_MMU) += copy_page.o clear_page.o
+lib-$(CONFIG_MMU) += copy_page.o __clear_user.o
lib-$(CONFIG_MCOUNT) += mcount.o
lib-y += $(memcpy-y) $(udivsi3-y)
diff --git a/arch/sh/lib/clear_page.S b/arch/sh/lib/__clear_user.S
similarity index 100%
rename from arch/sh/lib/clear_page.S
rename to arch/sh/lib/__clear_user.S
--
GitLab
From 0dfae7d5a21901b28ec0452d71be64adf5ea323e Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 27 Jul 2009 21:30:17 +0900
Subject: [PATCH 074/742] sh: Use the now generic SH-4 clear/copy page ops for
all MMU platforms.
Now that the SH-4 page clear/copy ops are generic, they can be used for
all platforms with CONFIG_MMU=y. SH-5 remains the odd one out, but it too
will gradually be converted over to using this interface.
SH-3 platforms which do not contain aliases will see no impact from this
change, while aliasing SH-3 platforms will get the same interface as
SH-4.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 15 ---------------
arch/sh/include/asm/page.h | 11 ++++++-----
arch/sh/include/asm/pgtable.h | 3 +--
arch/sh/mm/Makefile_32 | 6 +-----
arch/sh/mm/cache-sh5.c | 17 +++++++++++++++++
arch/sh/mm/{pg-sh4.c => pg-mmu.c} | 19 +++++++++++++------
6 files changed, 38 insertions(+), 33 deletions(-)
rename arch/sh/mm/{pg-sh4.c => pg-mmu.c} (83%)
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 4e360114269d..4c85d55847cc 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -49,7 +49,6 @@ static inline void flush_kernel_dcache_page(struct page *page)
flush_dcache_page(page);
}
-#if (defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)) && !defined(CONFIG_CACHE_OFF)
extern void copy_to_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len);
@@ -57,20 +56,6 @@ extern void copy_to_user_page(struct vm_area_struct *vma,
extern void copy_from_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len);
-#else
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
- do { \
- flush_cache_page(vma, vaddr, page_to_pfn(page));\
- memcpy(dst, src, len); \
- flush_icache_user_range(vma, page, vaddr, len); \
- } while (0)
-
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
- do { \
- flush_cache_page(vma, vaddr, page_to_pfn(page));\
- memcpy(dst, src, len); \
- } while (0)
-#endif
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 5208b7bfc24e..847eeabb9083 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -63,22 +63,23 @@ extern void copy_page(void *to, void *from);
struct page;
struct vm_area_struct;
-#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU) && \
- (defined(CONFIG_CPU_SH5) || defined(CONFIG_CPU_SH4) || \
- defined(CONFIG_SH7705_CACHE_32KB))
+#if defined(CONFIG_CPU_SH5)
extern void clear_user_page(void *to, unsigned long address, struct page *page);
extern void copy_user_page(void *to, void *from, unsigned long address,
struct page *page);
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
+
+#elif defined(CONFIG_MMU)
extern void copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr, struct vm_area_struct *vma);
#define __HAVE_ARCH_COPY_USER_HIGHPAGE
extern void clear_user_highpage(struct page *page, unsigned long vaddr);
#define clear_user_highpage clear_user_highpage
-#endif
+
#else
+
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
+
#endif
/*
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index bef3ab7fc09e..ba2333216c5b 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -141,8 +141,7 @@ extern void paging_init(void);
extern void page_table_range_init(unsigned long start, unsigned long end,
pgd_t *pgd);
-#if !defined(CONFIG_CACHE_OFF) && (defined(CONFIG_CPU_SH4) || \
- defined(CONFIG_SH7705_CACHE_32KB)) && defined(CONFIG_MMU)
+#if defined(CONFIG_MMU) && !defined(CONFIG_CPU_SH5)
extern void kmap_coherent_init(void);
#else
#define kmap_coherent_init() do { } while (0)
diff --git a/arch/sh/mm/Makefile_32 b/arch/sh/mm/Makefile_32
index 5c04bbb08d36..62e280734dcb 100644
--- a/arch/sh/mm/Makefile_32
+++ b/arch/sh/mm/Makefile_32
@@ -15,7 +15,7 @@ endif
obj-y += $(cache-y)
mmu-y := tlb-nommu.o pg-nommu.o
-mmu-$(CONFIG_MMU) := fault_32.o tlbflush_32.o ioremap_32.o
+mmu-$(CONFIG_MMU) := fault_32.o tlbflush_32.o ioremap_32.o pg-mmu.o
obj-y += $(mmu-y)
obj-$(CONFIG_DEBUG_FS) += asids-debugfs.o
@@ -29,10 +29,6 @@ tlb-$(CONFIG_CPU_SH3) := tlb-sh3.o
tlb-$(CONFIG_CPU_SH4) := tlb-sh4.o
tlb-$(CONFIG_CPU_HAS_PTEAEX) := tlb-pteaex.o
obj-y += $(tlb-y)
-ifndef CONFIG_CACHE_OFF
-obj-$(CONFIG_CPU_SH4) += pg-sh4.o
-obj-$(CONFIG_SH7705_CACHE_32KB) += pg-sh4.o
-endif
endif
obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index 86762092508c..3e2d7321b636 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -831,4 +831,21 @@ void clear_user_page(void *to, unsigned long address, struct page *page)
else
sh64_clear_user_page_coloured(to, address);
}
+
+void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
+ unsigned long vaddr, void *dst, const void *src,
+ unsigned long len)
+{
+ flush_cache_page(vma, vaddr, page_to_pfn(page));
+ memcpy(dst, src, len);
+ flush_icache_user_range(vma, page, vaddr, len);
+}
+
+void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
+ unsigned long vaddr, void *dst, const void *src,
+ unsigned long len)
+{
+ flush_cache_page(vma, vaddr, page_to_pfn(page));
+ memcpy(dst, src, len);
+}
#endif
diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-mmu.c
similarity index 83%
rename from arch/sh/mm/pg-sh4.c
rename to arch/sh/mm/pg-mmu.c
index 4d93070b8220..356d2cdcb209 100644
--- a/arch/sh/mm/pg-sh4.c
+++ b/arch/sh/mm/pg-mmu.c
@@ -1,5 +1,5 @@
/*
- * arch/sh/mm/pg-sh4.c
+ * arch/sh/mm/pg-mmu.c
*
* Copyright (C) 1999, 2000, 2002 Niibe Yutaka
* Copyright (C) 2002 - 2009 Paul Mundt
@@ -22,11 +22,13 @@ static pte_t *kmap_coherent_pte;
void __init kmap_coherent_init(void)
{
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
unsigned long vaddr;
/* cache the first coherent kmap pte */
vaddr = __fix_to_virt(FIX_CMAP_BEGIN);
kmap_coherent_pte = kmap_get_fixmap_pte(vaddr);
+#endif
}
static inline void *kmap_coherent(struct page *page, unsigned long addr)
@@ -62,13 +64,15 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
- if (page_mapped(page) && !test_bit(PG_dcache_dirty, &page->flags)) {
+ if (boot_cpu_data.dcache.n_aliases && page_mapped(page) &&
+ !test_bit(PG_dcache_dirty, &page->flags)) {
void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(vto, src, len);
kunmap_coherent(vto);
} else {
memcpy(dst, src, len);
- set_bit(PG_dcache_dirty, &page->flags);
+ if (boot_cpu_data.dcache.n_aliases)
+ set_bit(PG_dcache_dirty, &page->flags);
}
if (vma->vm_flags & VM_EXEC)
@@ -79,13 +83,15 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
- if (page_mapped(page) && !test_bit(PG_dcache_dirty, &page->flags)) {
+ if (boot_cpu_data.dcache.n_aliases && page_mapped(page) &&
+ !test_bit(PG_dcache_dirty, &page->flags)) {
void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(dst, vfrom, len);
kunmap_coherent(vfrom);
} else {
memcpy(dst, src, len);
- set_bit(PG_dcache_dirty, &page->flags);
+ if (boot_cpu_data.dcache.n_aliases)
+ set_bit(PG_dcache_dirty, &page->flags);
}
}
@@ -96,7 +102,8 @@ void copy_user_highpage(struct page *to, struct page *from,
vto = kmap_atomic(to, KM_USER1);
- if (page_mapped(from) && !test_bit(PG_dcache_dirty, &from->flags)) {
+ if (boot_cpu_data.dcache.n_aliases && page_mapped(from) &&
+ !test_bit(PG_dcache_dirty, &from->flags)) {
vfrom = kmap_coherent(from, vaddr);
copy_page(vto, vfrom);
kunmap_coherent(vfrom);
--
GitLab
From 785b4b3a5a992eeb8b495a89b6f690b383010aba Mon Sep 17 00:00:00 2001
From: Peng Tao <bergwolf@gmail.com>
Date: Mon, 27 Jul 2009 21:44:40 -0400
Subject: [PATCH 075/742] ext4: fix build warning when EXT4FS_DEBUG is on
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When compiling with EXT4FS_DEBUG on, gcc will complain with following warnings:
linux-2.6/fs/ext4/ialloc.c: In function ‘ext4_count_free_inodes’:
linux-2.6/fs/ext4/ialloc.c:1192: warning: format ‘%lu’ expects type
‘long unsigned int’, but argument 2 has type ‘ext4_group_t’
So add a type cast to suppress it.
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ialloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 29e6dc7299b8..f3624ead4f6c 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -1189,7 +1189,7 @@ unsigned long ext4_count_free_inodes(struct super_block *sb)
x = ext4_count_free(bitmap_bh, EXT4_INODES_PER_GROUP(sb) / 8);
printk(KERN_DEBUG "group %lu: stored = %d, counted = %lu\n",
- i, ext4_free_inodes_count(sb, gdp), x);
+ (unsigned long) i, ext4_free_inodes_count(sb, gdp), x);
bitmap_count += x;
}
brelse(bitmap_bh);
--
GitLab
From 9cef7492696a416663b4edb953a4eade8517ebeb Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 29 Jul 2009 00:12:17 +0900
Subject: [PATCH 076/742] sh: update_mmu_cache() consolidation.
This splits out a separate __update_cache()/__update_tlb() for
update_mmu_cache() to wrap in to. This lets us share the common
__update_cache() bits while keeping special __update_tlb() handling
broken out.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/pgtable.h | 15 +++++++++++++--
arch/sh/mm/pg-mmu.c | 21 +++++++++++++++++++++
arch/sh/mm/tlb-nommu.c | 9 ++++++---
arch/sh/mm/tlb-pteaex.c | 13 ++++++-------
arch/sh/mm/tlb-sh3.c | 29 ++++++-----------------------
arch/sh/mm/tlb-sh4.c | 29 ++++++-----------------------
arch/sh/mm/tlbflush_64.c | 25 +++++++++----------------
7 files changed, 67 insertions(+), 74 deletions(-)
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index ba2333216c5b..43ef3e99fdd1 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -134,8 +134,19 @@ typedef pte_t *pte_addr_t;
#define pgtable_cache_init() do { } while (0)
struct vm_area_struct;
-extern void update_mmu_cache(struct vm_area_struct * vma,
- unsigned long address, pte_t pte);
+
+extern void __update_cache(struct vm_area_struct *vma,
+ unsigned long address, pte_t pte);
+extern void __update_tlb(struct vm_area_struct *vma,
+ unsigned long address, pte_t pte);
+
+static inline void
+update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+{
+ __update_cache(vma, address, pte);
+ __update_tlb(vma, address, pte);
+}
+
extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
extern void paging_init(void);
extern void page_table_range_init(unsigned long start, unsigned long end,
diff --git a/arch/sh/mm/pg-mmu.c b/arch/sh/mm/pg-mmu.c
index 356d2cdcb209..8602f68af4c8 100644
--- a/arch/sh/mm/pg-mmu.c
+++ b/arch/sh/mm/pg-mmu.c
@@ -134,3 +134,24 @@ void clear_user_highpage(struct page *page, unsigned long vaddr)
kunmap_atomic(kaddr, KM_USER0);
}
EXPORT_SYMBOL(clear_user_highpage);
+
+void __update_cache(struct vm_area_struct *vma,
+ unsigned long address, pte_t pte)
+{
+ struct page *page;
+ unsigned long pfn = pte_pfn(pte);
+
+ if (!boot_cpu_data.dcache.n_aliases)
+ return;
+
+ page = pfn_to_page(pfn);
+ if (pfn_valid(pfn) && page_mapping(page)) {
+ int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags);
+ if (dirty) {
+ unsigned long addr = (unsigned long)page_address(page);
+
+ if (pages_do_alias(addr, address & PAGE_MASK))
+ __flush_wback_region((void *)addr, PAGE_SIZE);
+ }
+ }
+}
diff --git a/arch/sh/mm/tlb-nommu.c b/arch/sh/mm/tlb-nommu.c
index 71c742b5aee3..0ef5429943df 100644
--- a/arch/sh/mm/tlb-nommu.c
+++ b/arch/sh/mm/tlb-nommu.c
@@ -46,10 +46,13 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
BUG();
}
-void update_mmu_cache(struct vm_area_struct * vma,
- unsigned long address, pte_t pte)
+void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+{
+}
+
+void __update_cache(struct vm_area_struct *vma,
+ unsigned long address, pte_t pte)
{
- BUG();
}
void __init page_table_range_init(unsigned long start, unsigned long end,
diff --git a/arch/sh/mm/tlb-pteaex.c b/arch/sh/mm/tlb-pteaex.c
index c39b77363352..9aabd313cede 100644
--- a/arch/sh/mm/tlb-pteaex.c
+++ b/arch/sh/mm/tlb-pteaex.c
@@ -16,15 +16,14 @@
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
-void update_mmu_cache(struct vm_area_struct * vma,
- unsigned long address, pte_t pte)
+void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
{
- unsigned long flags;
- unsigned long pteval;
- unsigned long vpn;
+ unsigned long flags, pteval, vpn;
- /* Ptrace may call this routine. */
- if (vma && current->active_mm != vma->vm_mm)
+ /*
+ * Handle debugger faulting in for debugee.
+ */
+ if (current->active_mm != vma->vm_mm)
return;
local_irq_save(flags);
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index 9b8459c74abd..425f1f23cf93 100644
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -27,32 +27,16 @@
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
-void update_mmu_cache(struct vm_area_struct * vma,
- unsigned long address, pte_t pte)
+void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
{
- unsigned long flags;
- unsigned long pteval;
- unsigned long vpn;
- unsigned long pfn = pte_pfn(pte);
- struct page *page;
+ unsigned long flags, pteval, vpn;
- /* Ptrace may call this routine. */
- if (vma && current->active_mm != vma->vm_mm)
+ /*
+ * Handle debugger faulting in for debugee.
+ */
+ if (current->active_mm != vma->vm_mm)
return;
- page = pfn_to_page(pfn);
- if (pfn_valid(pfn) && page_mapping(page)) {
-#if defined(CONFIG_SH7705_CACHE_32KB)
- int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags);
- if (dirty) {
- unsigned long addr = (unsigned long)page_address(page);
-
- if (pages_do_alias(addr, address & PAGE_MASK))
- __flush_wback_region((void *)addr, PAGE_SIZE);
- }
-#endif
- }
-
local_irq_save(flags);
/* Set PTEH register */
@@ -93,4 +77,3 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
for (i = 0; i < ways; i++)
ctrl_outl(data, addr + (i << 8));
}
-
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index cf50082d2435..81199f1e5945 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -15,33 +15,16 @@
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
-void update_mmu_cache(struct vm_area_struct * vma,
- unsigned long address, pte_t pte)
+void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
{
- unsigned long flags;
- unsigned long pteval;
- unsigned long vpn;
- unsigned long pfn = pte_pfn(pte);
- struct page *page;
+ unsigned long flags, pteval, vpn;
- /* Ptrace may call this routine. */
- if (vma && current->active_mm != vma->vm_mm)
+ /*
+ * Handle debugger faulting in for debugee.
+ */
+ if (current->active_mm != vma->vm_mm)
return;
- page = pfn_to_page(pfn);
- if (pfn_valid(pfn) && page_mapping(page)) {
-#ifndef CONFIG_SMP
- int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags);
- if (dirty) {
-
- unsigned long addr = (unsigned long)page_address(page);
-
- if (pages_do_alias(addr, address & PAGE_MASK))
- __flush_wback_region((void *)addr, PAGE_SIZE);
- }
-#endif
- }
-
local_irq_save(flags);
/* Set PTEH register */
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
index 3ce40ea34824..f2e44e9ffb75 100644
--- a/arch/sh/mm/tlbflush_64.c
+++ b/arch/sh/mm/tlbflush_64.c
@@ -329,22 +329,6 @@ do_sigbus:
goto no_context;
}
-void update_mmu_cache(struct vm_area_struct * vma,
- unsigned long address, pte_t pte)
-{
- /*
- * This appears to get called once for every pte entry that gets
- * established => I don't think it's efficient to try refilling the
- * TLBs with the pages - some may not get accessed even. Also, for
- * executable pages, it is impossible to determine reliably here which
- * TLB they should be mapped into (or both even).
- *
- * So, just do nothing here and handle faults on demand. In the
- * TLBMISS handling case, the refill is now done anyway after the pte
- * has been fixed up, so that deals with most useful cases.
- */
-}
-
void local_flush_tlb_one(unsigned long asid, unsigned long page)
{
unsigned long long match, pteh=0, lpage;
@@ -482,3 +466,12 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
/* FIXME: Optimize this later.. */
flush_tlb_all();
}
+
+void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+{
+}
+
+void __update_cache(struct vm_area_struct *vma,
+ unsigned long address, pte_t pte)
+{
+}
--
GitLab
From 3725f28b478035a0410268f06a383f24ede7971c Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Date: Wed, 29 Jul 2009 09:24:41 +0000
Subject: [PATCH 077/742] usb: fix hibernate in r8a66597-hcd dev_pm_ops
conversion.
This fixes up the dev_pm_ops conversion and wires up the callbacks needed
for hibernation.
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/usb/host/r8a66597-hcd.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 82dce3e0d4d7..749b53742828 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -2357,6 +2357,8 @@ static int r8a66597_resume(struct device *dev)
static struct dev_pm_ops r8a66597_dev_pm_ops = {
.suspend = r8a66597_suspend,
.resume = r8a66597_resume,
+ .poweroff = r8a66597_suspend,
+ .restore = r8a66597_resume,
};
#define R8A66597_DEV_PM_OPS (&r8a66597_dev_pm_ops)
--
GitLab
From 3ed6e129390fb872c3b7e05a232e5d380fbdfb48 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 29 Jul 2009 22:06:58 +0900
Subject: [PATCH 078/742] sh: Handle a NULL vma in __update_tlb() for the
fast-path.
The TLB miss fast-path presently calls in to update_mmu_cache() to
set up the entry, and does so with a NULL vma. Check for vma validity
in the __update_tlb() ptrace checks.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/tlb-pteaex.c | 2 +-
arch/sh/mm/tlb-sh3.c | 2 +-
arch/sh/mm/tlb-sh4.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/sh/mm/tlb-pteaex.c b/arch/sh/mm/tlb-pteaex.c
index 9aabd313cede..409b7c2b4b9d 100644
--- a/arch/sh/mm/tlb-pteaex.c
+++ b/arch/sh/mm/tlb-pteaex.c
@@ -23,7 +23,7 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
/*
* Handle debugger faulting in for debugee.
*/
- if (current->active_mm != vma->vm_mm)
+ if (vma && current->active_mm != vma->vm_mm)
return;
local_irq_save(flags);
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index 425f1f23cf93..ace8e6d2f59d 100644
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -34,7 +34,7 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
/*
* Handle debugger faulting in for debugee.
*/
- if (current->active_mm != vma->vm_mm)
+ if (vma && current->active_mm != vma->vm_mm)
return;
local_irq_save(flags);
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index 81199f1e5945..7d3c63e707a5 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -22,7 +22,7 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
/*
* Handle debugger faulting in for debugee.
*/
- if (current->active_mm != vma->vm_mm)
+ if (vma && current->active_mm != vma->vm_mm)
return;
local_irq_save(flags);
--
GitLab
From 82b242214b6f5b96eb9b76452ac6e2b67dd81abd Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 29 Jul 2009 22:43:58 +0900
Subject: [PATCH 079/742] Revert "sh: Bump the earlytimer bits back to
time_init()."
This reverts commit 1d29ebebcb951ab6b04d22807cafb24b893310a2.
Bumping up the earlytimer initialization causes IRQs to be enabled too
early, which blows up lockdep:
...
NR_IRQS:256 nr_irqs:256
------------[ cut here ]------------
Badness at kernel/lockdep.c:2128
Pid : 0, Comm: swapper
CPU : 0 Not tainted (2.6.31-rc3-00205-g3ed6e12-dirty #2443)
PC is at trace_hardirqs_on_caller+0x48/0x10c
PR is at trace_hardirqs_on_caller+0x3c/0x10c
...
Revert it back to late_time_init time, which fixes up lockdep.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/time.c | 27 ++++++++++++++++-----------
1 file changed, 16 insertions(+), 11 deletions(-)
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index d2424b068b7b..7f95f479060f 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -92,6 +92,21 @@ module_init(rtc_generic_init);
void (*board_time_init)(void);
+static void __init sh_late_time_init(void)
+{
+ /*
+ * Make sure all compiled-in early timers register themselves.
+ *
+ * Run probe() for two "earlytimer" devices, these will be the
+ * clockevents and clocksource devices respectively. In the event
+ * that only a clockevents device is available, we -ENODEV on the
+ * clocksource and the jiffies clocksource is used transparently
+ * instead. No error handling is necessary here.
+ */
+ early_platform_driver_register_all("earlytimer");
+ early_platform_driver_probe("earlytimer", 2, 0);
+}
+
void __init time_init(void)
{
if (board_time_init)
@@ -108,15 +123,5 @@ void __init time_init(void)
local_timer_setup(smp_processor_id());
#endif
- /*
- * Make sure all compiled-in early timers register themselves.
- *
- * Run probe() for two "earlytimer" devices, these will be the
- * clockevents and clocksource devices respectively. In the event
- * that only a clockevents device is available, we -ENODEV on the
- * clocksource and the jiffies clocksource is used transparently
- * instead. No error handling is necessary here.
- */
- early_platform_driver_register_all("earlytimer");
- early_platform_driver_probe("earlytimer", 2, 0);
+ late_time_init = sh_late_time_init;
}
--
GitLab
From fd78a76aefb5bf28a11d6960d29e03a11db62320 Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Wed, 29 Jul 2009 23:01:24 +0900
Subject: [PATCH 080/742] sh: Rework irqflags tracing to fix up
CONFIG_PROVE_LOCKING.
This cleans up the irqflags tracing code quite a bit and ties it
in to various missing callsites that caused an imbalance when
CONFIG_PROVE_LOCKING was enabled.
Previously this was catching on:
987 #ifdef CONFIG_PROVE_LOCKING
988 DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled);
989 DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
990 #endif
991 retval = -EAGAIN;
with hardirqs being doubly enabled, and subsequently bailing out
with the following call trace:
Call trace:
[<88035224>] __lock_acquire+0x616/0x6a6
[<88015a8c>] do_fork+0xf8/0x2b0
[<880331ec>] trace_hardirqs_on_caller+0xd4/0x114
[<88241074>] _spin_unlock_irq+0x20/0x64
[<88035224>] __lock_acquire+0x616/0x6a6
[<8800386c>] kernel_thread+0x48/0x70
[<88024ecc>] ____call_usermodehelper+0x0/0x110
[<88024ecc>] ____call_usermodehelper+0x0/0x110
[<88003894>] kernel_thread_helper+0x0/0x14
[<88024bac>] __call_usermodehelper+0x38/0x70
[<88025dc0>] worker_thread+0x150/0x274
[<88035b9c>] lock_release+0x0/0x198
[<88024b74>] __call_usermodehelper+0x0/0x70
[<88028cf0>] autoremove_wake_function+0x0/0x30
[<88028bf2>] kthread+0x3e/0x70
[<88025c70>] worker_thread+0x0/0x274
[<8800389c>] kernel_thread_helper+0x8/0x14
[<88028bb4>] kthread+0x0/0x70
[<88003894>] kernel_thread_helper+0x0/0x14
Reported-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig.debug | 2 +-
arch/sh/include/asm/entry-macros.S | 72 ++++++++++++++++++++++++++++++
arch/sh/kernel/entry-common.S | 63 +++++++-------------------
arch/sh/kernel/io_trapped.c | 7 +--
drivers/serial/sh-sci.c | 5 ++-
5 files changed, 96 insertions(+), 53 deletions(-)
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index b440fd936714..a6dce41296e7 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -38,7 +38,7 @@ config EARLY_SCIF_CONSOLE_PORT
default "0xffe00000" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7763 || \
CPU_SUBTYPE_SH7722 || CPU_SUBTYPE_SH7366 || \
CPU_SUBTYPE_SH7343
- default "0xffea0000" if CPU_SUBTYPE_SH7785
+ default "0xffeb0000" if CPU_SUBTYPE_SH7785
default "0xffeb0000" if CPU_SUBTYPE_SH7786
default "0xfffe8000" if CPU_SUBTYPE_SH7203
default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263
diff --git a/arch/sh/include/asm/entry-macros.S b/arch/sh/include/asm/entry-macros.S
index 3a4752a65722..1bdd93891cd7 100644
--- a/arch/sh/include/asm/entry-macros.S
+++ b/arch/sh/include/asm/entry-macros.S
@@ -31,6 +31,78 @@
#endif
.endm
+#ifdef CONFIG_TRACE_IRQFLAGS
+
+ .macro TRACE_IRQS_ON
+ mov.l r0, @-r15
+ mov.l r1, @-r15
+ mov.l r2, @-r15
+ mov.l r3, @-r15
+ mov.l r4, @-r15
+ mov.l r5, @-r15
+ mov.l r6, @-r15
+ mov.l r7, @-r15
+
+ mov.l 7834f, r0
+ jsr @r0
+ nop
+
+ mov.l @r15+, r7
+ mov.l @r15+, r6
+ mov.l @r15+, r5
+ mov.l @r15+, r4
+ mov.l @r15+, r3
+ mov.l @r15+, r2
+ mov.l @r15+, r1
+ mov.l @r15+, r0
+ mov.l 7834f, r0
+
+ bra 7835f
+ nop
+ .balign 4
+7834: .long trace_hardirqs_on
+7835:
+ .endm
+ .macro TRACE_IRQS_OFF
+
+ mov.l r0, @-r15
+ mov.l r1, @-r15
+ mov.l r2, @-r15
+ mov.l r3, @-r15
+ mov.l r4, @-r15
+ mov.l r5, @-r15
+ mov.l r6, @-r15
+ mov.l r7, @-r15
+
+ mov.l 7834f, r0
+ jsr @r0
+ nop
+
+ mov.l @r15+, r7
+ mov.l @r15+, r6
+ mov.l @r15+, r5
+ mov.l @r15+, r4
+ mov.l @r15+, r3
+ mov.l @r15+, r2
+ mov.l @r15+, r1
+ mov.l @r15+, r0
+ mov.l 7834f, r0
+
+ bra 7835f
+ nop
+ .balign 4
+7834: .long trace_hardirqs_off
+7835:
+ .endm
+
+#else
+ .macro TRACE_IRQS_ON
+ .endm
+
+ .macro TRACE_IRQS_OFF
+ .endm
+#endif
+
#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4)
# define PREF(x) pref @x
#else
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index d62175650c54..fc26ccd82789 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -45,7 +45,7 @@
*/
#if defined(CONFIG_PREEMPT)
-# define preempt_stop() cli
+# define preempt_stop() cli ; TRACE_IRQS_OFF
#else
# define preempt_stop()
# define resume_kernel __restore_all
@@ -55,11 +55,7 @@
.align 2
ENTRY(exception_error)
!
-#ifdef CONFIG_TRACE_IRQFLAGS
- mov.l 2f, r0
- jsr @r0
- nop
-#endif
+ TRACE_IRQS_ON
sti
mov.l 1f, r0
jmp @r0
@@ -67,22 +63,23 @@ ENTRY(exception_error)
.align 2
1: .long do_exception_error
-#ifdef CONFIG_TRACE_IRQFLAGS
-2: .long trace_hardirqs_on
-#endif
.align 2
ret_from_exception:
preempt_stop()
-#ifdef CONFIG_TRACE_IRQFLAGS
- mov.l 4f, r0
- jsr @r0
- nop
-#endif
ENTRY(ret_from_irq)
!
mov #OFF_SR, r0
mov.l @(r0,r15), r0 ! get status register
+
+ shlr2 r0
+ and #0x3c, r0
+ cmp/eq #0x3c, r0
+ bt 9f
+ TRACE_IRQS_ON
+9:
+ mov #OFF_SR, r0
+ mov.l @(r0,r15), r0 ! get status register
shll r0
shll r0 ! kernel space?
get_current_thread_info r8, r0
@@ -125,11 +122,7 @@ noresched:
ENTRY(resume_userspace)
! r8: current_thread_info
cli
-#ifdef CONFIG_TRACE_IRQFLAGS
- mov.l 5f, r0
- jsr @r0
- nop
-#endif
+ TRACE_IRQS_OfF
mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags
tst #(_TIF_WORK_MASK & 0xff), r0
bt/s __restore_all
@@ -156,11 +149,7 @@ work_resched:
jsr @r1 ! schedule
nop
cli
-#ifdef CONFIG_TRACE_IRQFLAGS
- mov.l 5f, r0
- jsr @r0
- nop
-#endif
+ TRACE_IRQS_OFF
!
mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags
tst #(_TIF_WORK_MASK & 0xff), r0
@@ -172,10 +161,6 @@ work_resched:
1: .long schedule
2: .long do_notify_resume
3: .long resume_userspace
-#ifdef CONFIG_TRACE_IRQFLAGS
-4: .long trace_hardirqs_on
-5: .long trace_hardirqs_off
-#endif
.align 2
syscall_exit_work:
@@ -184,11 +169,7 @@ syscall_exit_work:
tst #(_TIF_WORK_SYSCALL_MASK & 0xff), r0
bt/s work_pending
tst #_TIF_NEED_RESCHED, r0
-#ifdef CONFIG_TRACE_IRQFLAGS
- mov.l 5f, r0
- jsr @r0
- nop
-#endif
+ TRACE_IRQS_ON
sti
mov r15, r4
mov.l 8f, r0 ! do_syscall_trace_leave
@@ -321,11 +302,7 @@ ENTRY(system_call)
bt/s debug_trap ! it's a debug trap..
nop
-#ifdef CONFIG_TRACE_IRQFLAGS
- mov.l 5f, r10
- jsr @r10
- nop
-#endif
+ TRACE_IRQS_ON
sti
!
@@ -355,11 +332,7 @@ syscall_call:
!
syscall_exit:
cli
-#ifdef CONFIG_TRACE_IRQFLAGS
- mov.l 6f, r0
- jsr @r0
- nop
-#endif
+ TRACE_IRQS_OFF
!
get_current_thread_info r8, r0
mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags
@@ -377,9 +350,5 @@ syscall_exit:
#endif
2: .long NR_syscalls
3: .long sys_call_table
-#ifdef CONFIG_TRACE_IRQFLAGS
-5: .long trace_hardirqs_on
-6: .long trace_hardirqs_off
-#endif
7: .long do_syscall_trace_enter
8: .long do_syscall_trace_leave
diff --git a/arch/sh/kernel/io_trapped.c b/arch/sh/kernel/io_trapped.c
index 77dfecb64373..e27a19e1f46e 100644
--- a/arch/sh/kernel/io_trapped.c
+++ b/arch/sh/kernel/io_trapped.c
@@ -112,14 +112,15 @@ void __iomem *match_trapped_io_handler(struct list_head *list,
struct trapped_io *tiop;
struct resource *res;
int k, len;
+ unsigned long flags;
- spin_lock_irq(&trapped_lock);
+ spin_lock_irqsave(&trapped_lock, flags);
list_for_each_entry(tiop, list, list) {
voffs = 0;
for (k = 0; k < tiop->num_resources; k++) {
res = tiop->resource + k;
if (res->start == offset) {
- spin_unlock_irq(&trapped_lock);
+ spin_unlock_irqrestore(&trapped_lock, flags);
return tiop->virt_base + voffs;
}
@@ -127,7 +128,7 @@ void __iomem *match_trapped_io_handler(struct list_head *list,
voffs += roundup(len, PAGE_SIZE);
}
}
- spin_unlock_irq(&trapped_lock);
+ spin_unlock_irqrestore(&trapped_lock, flags);
return NULL;
}
EXPORT_SYMBOL_GPL(match_trapped_io_handler);
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 8e2feb563347..4cbb87ad070a 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -662,10 +662,11 @@ static irqreturn_t sci_rx_interrupt(int irq, void *port)
static irqreturn_t sci_tx_interrupt(int irq, void *ptr)
{
struct uart_port *port = ptr;
+ unsigned long flags;
- spin_lock_irq(&port->lock);
+ spin_lock_irqsave(&port->lock, flags);
sci_transmit_chars(port);
- spin_unlock_irq(&port->lock);
+ spin_unlock_irqrestore(&port->lock, flags);
return IRQ_HANDLED;
}
--
GitLab
From 3c928320b2254cb6c8d8a7919a1fcf94ca7cae66 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 29 Jul 2009 15:04:05 +0000
Subject: [PATCH 081/742] sh: romImage support V2
This patch contains support for the romImage build target V2.
The resulting romImage file should be burned to rom
or flash and could be used as small boot loader.
Board code should keep their setup code in the file
romimage.h located in their mach include directory.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Makefile | 2 +-
arch/sh/boot/Makefile | 11 +++++++++--
arch/sh/boot/romimage/Makefile | 19 +++++++++++++++++++
arch/sh/boot/romimage/head.S | 10 ++++++++++
arch/sh/boot/romimage/vmlinux.scr | 6 ++++++
arch/sh/include/mach-common/romimage.h | 1 +
6 files changed, 46 insertions(+), 3 deletions(-)
create mode 100644 arch/sh/boot/romimage/Makefile
create mode 100644 arch/sh/boot/romimage/head.S
create mode 100644 arch/sh/boot/romimage/vmlinux.scr
create mode 100644 arch/sh/include/mach-common/romimage.h
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index c46b3d508f22..2a7e73faee89 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -195,7 +195,7 @@ libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.srec \
- zImage vmlinux.srec
+ zImage vmlinux.srec romImage
PHONY += maketools $(BOOT_TARGETS) FORCE
maketools: include/linux/version.h FORCE
diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index dd2a852041e9..a1316872be6f 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -24,9 +24,9 @@ suffix-$(CONFIG_KERNEL_GZIP) := gz
suffix-$(CONFIG_KERNEL_BZIP2) := bz2
suffix-$(CONFIG_KERNEL_LZMA) := lzma
-targets := zImage vmlinux.srec uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma
+targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma
extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma
-subdir- := compressed
+subdir- := compressed romimage
$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
$(call if_changed,objcopy)
@@ -35,6 +35,13 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
$(obj)/compressed/vmlinux: FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
+$(obj)/romImage: $(obj)/romimage/vmlinux FORCE
+ $(call if_changed,objcopy)
+ @echo ' Kernel: $@ is ready'
+
+$(obj)/romimage/vmlinux: $(obj)/zImage FORCE
+ $(Q)$(MAKE) $(build)=$(obj)/romimage $@
+
KERNEL_MEMORY := 0x00000000
ifeq ($(CONFIG_PMB_FIXED),y)
KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
diff --git a/arch/sh/boot/romimage/Makefile b/arch/sh/boot/romimage/Makefile
new file mode 100644
index 000000000000..5806eee84f6f
--- /dev/null
+++ b/arch/sh/boot/romimage/Makefile
@@ -0,0 +1,19 @@
+#
+# linux/arch/sh/boot/romimage/Makefile
+#
+# create an image suitable for burning to flash from zImage
+#
+
+targets := vmlinux head.o
+
+OBJECTS = $(obj)/head.o
+LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext 0 -e romstart
+
+$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE
+ $(call if_changed,ld)
+ @:
+
+LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
+
+$(obj)/piggy.o: $(obj)/vmlinux.scr arch/sh/boot/zImage FORCE
+ $(call if_changed,ld)
diff --git a/arch/sh/boot/romimage/head.S b/arch/sh/boot/romimage/head.S
new file mode 100644
index 000000000000..97a087bc9c4a
--- /dev/null
+++ b/arch/sh/boot/romimage/head.S
@@ -0,0 +1,10 @@
+/*
+ * linux/arch/sh/boot/romimage/head.S
+ *
+ * Board specific setup code, executed before zImage loader
+ */
+
+.text
+ .global romstart
+romstart:
+#include <romimage.h>
diff --git a/arch/sh/boot/romimage/vmlinux.scr b/arch/sh/boot/romimage/vmlinux.scr
new file mode 100644
index 000000000000..287c08f8b4bb
--- /dev/null
+++ b/arch/sh/boot/romimage/vmlinux.scr
@@ -0,0 +1,6 @@
+SECTIONS
+{
+ .text : {
+ *(.data)
+ }
+}
diff --git a/arch/sh/include/mach-common/romimage.h b/arch/sh/include/mach-common/romimage.h
new file mode 100644
index 000000000000..267e24112d82
--- /dev/null
+++ b/arch/sh/include/mach-common/romimage.h
@@ -0,0 +1 @@
+/* do nothing here by default */
--
GitLab
From d162300e6c963fe255ea7f73b956a7716e24205d Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 29 Jul 2009 15:06:15 +0000
Subject: [PATCH 082/742] sh: kfr2r09 romImage support V2
This patch is romImage support for the kfr2r09 board V2.
The partner-jet-setup.txt file is converted into assembly code
which becomes the first code to execute from the reset vector.
The file partner-jet-setup.txt can also be used to setup
the hardware using a JTAG debugger so booting from RAM can
be done without burning the code to flash.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
.../mach-kfr2r09/partner-jet-setup.txt | 134 ++++++++++++++++++
arch/sh/include/mach-kfr2r09/romimage.h | 75 ++++++++++
2 files changed, 209 insertions(+)
create mode 100644 arch/sh/include/mach-kfr2r09/partner-jet-setup.txt
create mode 100644 arch/sh/include/mach-kfr2r09/romimage.h
diff --git a/arch/sh/include/mach-kfr2r09/partner-jet-setup.txt b/arch/sh/include/mach-kfr2r09/partner-jet-setup.txt
new file mode 100644
index 000000000000..9c85088728a7
--- /dev/null
+++ b/arch/sh/include/mach-kfr2r09/partner-jet-setup.txt
@@ -0,0 +1,134 @@
+LIST "partner-jet-setup.txt - 20090729 Magnus Damm"
+LIST "set up enough of the kfr2r09 hardware to boot the kernel"
+
+LIST "zImage (RAM boot)"
+LIST "This script can be used to boot the kernel from RAM via JTAG:"
+LIST "> < partner-jet-setup.txt"
+LIST "> RD zImage, 0xa8800000"
+LIST "> G=0xa8800000"
+
+LIST "romImage (Flash boot)"
+LIST "Use the following command to burn the zImage to flash via JTAG:"
+LIST "> RD romImage, 0"
+
+LIST "--------------------------------"
+
+LIST "disable watchdog"
+EW 0xa4520004, 0xa507
+
+LIST "select mode for cs5 + cs6"
+ED 0xff800020, 0xa5a50001
+ED 0xfec10000, 0x0000001b
+
+LIST "setup clocks"
+ED 0xa4150004, 0x00000050
+ED 0xa4150000, 0x91053508
+WAIT 1
+ED 0xa4150024, 0x00005000
+
+LIST "setup pins"
+EB 0xa4050120, 0x00
+EB 0xa4050122, 0x00
+EB 0xa4050124, 0x00
+EB 0xa4050126, 0x00
+EB 0xa4050128, 0xA0
+EB 0xa405012A, 0x10
+EB 0xa405012C, 0x00
+EB 0xa405012E, 0x00
+EB 0xa4050130, 0x00
+EB 0xa4050132, 0x00
+EB 0xa4050134, 0x01
+EB 0xa4050136, 0x40
+EB 0xa4050138, 0x00
+EB 0xa405013A, 0x00
+EB 0xa405013C, 0x00
+EB 0xa405013E, 0x20
+EB 0xa4050160, 0x00
+EB 0xa4050162, 0x40
+EB 0xa4050164, 0x03
+EB 0xa4050166, 0x00
+EB 0xa4050168, 0x00
+EB 0xa405016A, 0x00
+EB 0xa405016C, 0x00
+
+EW 0xa405014E, 0x5660
+EW 0xa4050150, 0x0145
+EW 0xa4050152, 0x1550
+EW 0xa4050154, 0x0200
+EW 0xa4050156, 0x0040
+
+EW 0xa4050158, 0x0000
+EW 0xa405015a, 0x0000
+EW 0xa405015c, 0x0000
+EW 0xa405015e, 0x0000
+
+EW 0xa4050180, 0x0000
+EW 0xa4050182, 0x8002
+EW 0xa4050184, 0x0000
+
+EW 0xa405018a, 0x9991
+EW 0xa405018c, 0x8011
+EW 0xa405018e, 0x9550
+
+EW 0xa4050100, 0x0000
+EW 0xa4050102, 0x5540
+EW 0xa4050104, 0x0000
+EW 0xa4050106, 0x0000
+EW 0xa4050108, 0x4550
+EW 0xa405010a, 0x0130
+EW 0xa405010c, 0x0555
+EW 0xa405010e, 0x0000
+EW 0xa4050110, 0x0000
+EW 0xa4050112, 0xAAA8
+EW 0xa4050114, 0x8305
+EW 0xa4050116, 0x10F0
+EW 0xa4050118, 0x0F50
+EW 0xa405011a, 0x0000
+EW 0xa405011c, 0x0000
+EW 0xa405011e, 0x0555
+EW 0xa4050140, 0x0000
+EW 0xa4050142, 0x5141
+EW 0xa4050144, 0x5005
+EW 0xa4050146, 0xAAA9
+EW 0xa4050148, 0xFAA9
+EW 0xa405014a, 0x3000
+EW 0xa405014c, 0x0000
+
+LIST "setup sdram"
+ED 0xFD000108, 0x40000301
+ED 0xFD000020, 0x011B0002
+ED 0xFD000030, 0x03060E02
+ED 0xFD000034, 0x01020102
+ED 0xFD000038, 0x01090406
+ED 0xFD000008, 0x00000004
+ED 0xFD000040, 0x00000001
+ED 0xFD000040, 0x00000000
+ED 0xFD000018, 0x00000001
+
+WAIT 1
+
+ED 0xFD000014, 0x00000002
+ED 0xFD000060, 0x00000032
+ED 0xFD000060, 0x00020000
+ED 0xFD000014, 0x00000004
+ED 0xFD000014, 0x00000004
+ED 0xFD000010, 0x00000001
+ED 0xFD000044, 0x000004AF
+ED 0xFD000048, 0x20CF0037
+
+LIST "read 16 bytes from sdram"
+DD 0xa8000000, 0xa8000000, 1
+DD 0xa8000004, 0xa8000004, 1
+DD 0xa8000008, 0xa8000008, 1
+DD 0xa800000c, 0xa800000c, 1
+
+ED 0xFD000014, 0x00000002
+ED 0xFD000014, 0x00000004
+ED 0xFD000108, 0x40000300
+ED 0xFD000040, 0x00010000
+
+LIST "write to internal ram"
+ED 0xfd8007fc, 0
+
+LIST "setup cache"
+ED 0xff00001c, 0x0000090b
diff --git a/arch/sh/include/mach-kfr2r09/romimage.h b/arch/sh/include/mach-kfr2r09/romimage.h
new file mode 100644
index 000000000000..f5aa8e16770c
--- /dev/null
+++ b/arch/sh/include/mach-kfr2r09/romimage.h
@@ -0,0 +1,75 @@
+/* kfr2r09 board specific boot code:
+ * converts the "partner-jet-script.txt" script into assembly
+ * the assembly code is the first code to be executed in the romImage
+ */
+
+/* The LIST command is used to include comments in the script */
+.macro LIST comment
+.endm
+
+/* The ED command is used to write a 32-bit word */
+.macro ED, addr, data
+ mov.l 1f ,r1
+ mov.l 2f ,r0
+ mov.l r0, @r1
+ bra 3f
+ nop
+ .align 2
+1: .long \addr
+2: .long \data
+3:
+.endm
+
+/* The EW command is used to write a 16-bit word */
+.macro EW, addr, data
+ mov.l 1f ,r1
+ mov.l 2f ,r0
+ mov.w r0, @r1
+ bra 3f
+ nop
+ .align 2
+1: .long \addr
+2: .long \data
+3:
+.endm
+
+/* The EB command is used to write an 8-bit word */
+.macro EB, addr, data
+ mov.l 1f ,r1
+ mov.l 2f ,r0
+ mov.b r0, @r1
+ bra 3f
+ nop
+ .align 2
+1: .long \addr
+2: .long \data
+3:
+.endm
+
+/* The WAIT command is used to delay the execution */
+.macro WAIT, time
+ mov.l 2f ,r3
+1:
+ nop
+ tst r3, r3
+ bf/s 1b
+ dt r3
+ bra 3f
+ nop
+ .align 2
+2: .long \time * 100
+3:
+.endm
+
+/* The DD command is used to read a 32-bit word */
+.macro DD, addr, addr2, nr
+ mov.l 1f ,r1
+ mov.l @r1, r0
+ bra 2f
+ nop
+ .align 2
+1: .long \addr
+2:
+.endm
+
+#include "partner-jet-setup.txt"
--
GitLab
From fdeb076f20df14b1c7f2817362172548d146b121 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 30 Jul 2009 00:27:35 +0900
Subject: [PATCH 083/742] sh: Add romImage target to archhelp.
Adds an archhelp blurb for the romImage target so it is reflected in
'make help'.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 2a7e73faee89..b6ff337fd856 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -216,6 +216,7 @@ archclean:
define archhelp
@echo ' zImage - Compressed kernel image'
+ @echo ' romImage - Compressed ROM image, if supported'
@echo ' vmlinux.srec - Create an ELF S-record'
@echo '* uImage - Alias to bootable U-Boot image'
@echo ' uImage.srec - Create an S-record for U-Boot'
--
GitLab
From 05aa7882757f68af799140142ec44f83b2df4298 Mon Sep 17 00:00:00 2001
From: Rafael Ignacio Zurita <rizurita@yahoo.com>
Date: Tue, 4 Aug 2009 14:38:08 +0900
Subject: [PATCH 084/742] sh: Add early printk support for SH770x CPUs.
This adds early printk support for SH770x (tested on SH7709 based hp6xx).
Signed-off-by: Rafael Ignacio Zurita <rizurita@yahoo.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig.debug | 1 +
arch/sh/kernel/early_printk.c | 6 ++----
2 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index a6dce41296e7..763b792b1611 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -43,6 +43,7 @@ config EARLY_SCIF_CONSOLE_PORT
default "0xfffe8000" if CPU_SUBTYPE_SH7203
default "0xfffe9800" if CPU_SUBTYPE_SH7206 || CPU_SUBTYPE_SH7263
default "0xffe80000" if CPU_SH4
+ default "0xa4000150" if CPU_SH3
default "0x00000000"
config EARLY_PRINTK
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c
index a952dcf9999d..64f2746baf91 100644
--- a/arch/sh/kernel/early_printk.c
+++ b/arch/sh/kernel/early_printk.c
@@ -134,7 +134,7 @@ static void scif_sercon_init(char *s)
sci_out(&scif_port, SCFCR, 0x0030); /* TTRG=b'11 */
sci_out(&scif_port, SCSCR, 0x0030); /* TE, RE */
}
-#elif defined(CONFIG_CPU_SH4)
+#elif defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SH3)
#define DEFAULT_BAUD 115200
/*
* Simple SCIF init, primarily aimed at SH7750 and other similar SH-4
@@ -220,10 +220,8 @@ static int __init setup_early_printk(char *buf)
early_console = &scif_console;
#if !defined(CONFIG_SH_STANDARD_BIOS)
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SUBTYPE_SH7720) || \
- defined(CONFIG_CPU_SUBTYPE_SH7721)
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SH3)
scif_sercon_init(buf + 6);
-#endif
#endif
}
#endif
--
GitLab
From 6ba4a8f0f542e791e4158c91a844234b142578dc Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 06:57:36 +0000
Subject: [PATCH 085/742] sh: hwblk support for sh7724
This patch adds hwblk support for the sh7724 processor.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/cpu-sh4/cpu/sh7724.h | 17 ++++
arch/sh/kernel/cpu/sh4a/Makefile | 2 +-
arch/sh/kernel/cpu/sh4a/clock-sh7724.c | 119 ++++++++++++------------
arch/sh/kernel/cpu/sh4a/hwblk-sh7724.c | 121 +++++++++++++++++++++++++
4 files changed, 201 insertions(+), 58 deletions(-)
create mode 100644 arch/sh/kernel/cpu/sh4a/hwblk-sh7724.c
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7724.h b/arch/sh/include/cpu-sh4/cpu/sh7724.h
index 66fd1184359e..0cd1f71a1116 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7724.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7724.h
@@ -266,4 +266,21 @@ enum {
GPIO_FN_INTC_IRQ1, GPIO_FN_INTC_IRQ0,
};
+enum {
+ HWBLK_UNKNOWN = 0,
+ HWBLK_TLB, HWBLK_IC, HWBLK_OC, HWBLK_RSMEM, HWBLK_ILMEM, HWBLK_L2C,
+ HWBLK_FPU, HWBLK_INTC, HWBLK_DMAC0, HWBLK_SHYWAY,
+ HWBLK_HUDI, HWBLK_DBG, HWBLK_UBC,
+ HWBLK_TMU0, HWBLK_CMT, HWBLK_RWDT, HWBLK_DMAC1, HWBLK_TMU1,
+ HWBLK_SCIF0, HWBLK_SCIF1, HWBLK_SCIF2, HWBLK_SCIF3,
+ HWBLK_SCIF4, HWBLK_SCIF5, HWBLK_MSIOF0, HWBLK_MSIOF1,
+ HWBLK_KEYSC, HWBLK_RTC, HWBLK_IIC0, HWBLK_IIC1,
+ HWBLK_MMC, HWBLK_ETHER, HWBLK_ATAPI, HWBLK_TPU, HWBLK_IRDA,
+ HWBLK_TSIF, HWBLK_USB1, HWBLK_USB0, HWBLK_2DG,
+ HWBLK_SDHI0, HWBLK_SDHI1, HWBLK_VEU1, HWBLK_CEU1, HWBLK_BEU1,
+ HWBLK_2DDMAC, HWBLK_SPU, HWBLK_JPU, HWBLK_VOU,
+ HWBLK_BEU0, HWBLK_CEU0, HWBLK_VEU0, HWBLK_VPU, HWBLK_LCDC,
+ HWBLK_NR,
+};
+
#endif /* __ASM_SH7724_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index 1d7ae38bc611..12cddf4c721d 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -27,7 +27,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7786) := clock-sh7786.o
clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o
clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o hwblk-sh7722.o
clock-$(CONFIG_CPU_SUBTYPE_SH7723) := clock-sh7723.o hwblk-sh7723.o
-clock-$(CONFIG_CPU_SUBTYPE_SH7724) := clock-sh7724.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7724) := clock-sh7724.o hwblk-sh7724.o
clock-$(CONFIG_CPU_SUBTYPE_SH7366) := clock-sh7366.o
clock-$(CONFIG_CPU_SUBTYPE_SHX3) := clock-shx3.o
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index 5d5c9b952883..ba24e38c9fc7 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -22,6 +22,8 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clock.h>
+#include <asm/hwblk.h>
+#include <cpu/sh7724.h>
/* SH7724 registers */
#define FRQCRA 0xa4150000
@@ -156,64 +158,67 @@ struct clk div6_clks[] = {
SH_CLK_DIV6("spu_clk", &div3_clk, SPUCLKCR, 0),
};
-#define MSTP(_str, _parent, _reg, _bit, _force_on, _need_cpg, _need_ram) \
- SH_CLK_MSTP32(_str, -1, _parent, _reg, _bit, _force_on * CLK_ENABLE_ON_INIT)
+#define R_CLK (&r_clk)
+#define P_CLK (&div4_clks[DIV4_P])
+#define B_CLK (&div4_clks[DIV4_B])
+#define I_CLK (&div4_clks[DIV4_I])
+#define SH_CLK (&div4_clks[DIV4_SH])
static struct clk mstp_clks[] = {
- MSTP("tlb0", &div4_clks[DIV4_I], MSTPCR0, 31, 1, 1, 0),
- MSTP("ic0", &div4_clks[DIV4_I], MSTPCR0, 30, 1, 1, 0),
- MSTP("oc0", &div4_clks[DIV4_I], MSTPCR0, 29, 1, 1, 0),
- MSTP("rs0", &div4_clks[DIV4_B], MSTPCR0, 28, 1, 1, 0),
- MSTP("ilmem0", &div4_clks[DIV4_I], MSTPCR0, 27, 1, 1, 0),
- MSTP("l2c0", &div4_clks[DIV4_SH], MSTPCR0, 26, 1, 1, 0),
- MSTP("fpu0", &div4_clks[DIV4_I], MSTPCR0, 24, 1, 1, 0),
- MSTP("intc0", &div4_clks[DIV4_P], MSTPCR0, 22, 1, 1, 0),
- MSTP("dmac0", &div4_clks[DIV4_B], MSTPCR0, 21, 0, 1, 1),
- MSTP("sh0", &div4_clks[DIV4_SH], MSTPCR0, 20, 0, 1, 0),
- MSTP("hudi0", &div4_clks[DIV4_P], MSTPCR0, 19, 0, 1, 0),
- MSTP("ubc0", &div4_clks[DIV4_I], MSTPCR0, 17, 0, 1, 0),
- MSTP("tmu0", &div4_clks[DIV4_P], MSTPCR0, 15, 0, 1, 0),
- MSTP("cmt0", &r_clk, MSTPCR0, 14, 0, 0, 0),
- MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0, 0, 0),
- MSTP("dmac1", &div4_clks[DIV4_B], MSTPCR0, 12, 0, 1, 1),
- MSTP("tmu1", &div4_clks[DIV4_P], MSTPCR0, 10, 0, 1, 0),
- MSTP("scif0", &div4_clks[DIV4_P], MSTPCR0, 9, 0, 1, 0),
- MSTP("scif1", &div4_clks[DIV4_P], MSTPCR0, 8, 0, 1, 0),
- MSTP("scif2", &div4_clks[DIV4_P], MSTPCR0, 7, 0, 1, 0),
- MSTP("scif3", &div4_clks[DIV4_B], MSTPCR0, 6, 0, 1, 0),
- MSTP("scif4", &div4_clks[DIV4_B], MSTPCR0, 5, 0, 1, 0),
- MSTP("scif5", &div4_clks[DIV4_B], MSTPCR0, 4, 0, 1, 0),
- MSTP("msiof0", &div4_clks[DIV4_B], MSTPCR0, 2, 0, 1, 0),
- MSTP("msiof1", &div4_clks[DIV4_B], MSTPCR0, 1, 0, 1, 0),
-
- MSTP("keysc0", &r_clk, MSTPCR1, 12, 0, 0, 0),
- MSTP("rtc0", &r_clk, MSTPCR1, 11, 0, 0, 0),
- MSTP("i2c0", &div4_clks[DIV4_P], MSTPCR1, 9, 0, 1, 0),
- MSTP("i2c1", &div4_clks[DIV4_P], MSTPCR1, 8, 0, 1, 0),
-
- MSTP("mmc0", &div4_clks[DIV4_B], MSTPCR2, 29, 0, 1, 0),
- MSTP("eth0", &div4_clks[DIV4_B], MSTPCR2, 28, 0, 1, 0),
- MSTP("atapi0", &div4_clks[DIV4_B], MSTPCR2, 26, 0, 1, 0),
- MSTP("tpu0", &div4_clks[DIV4_B], MSTPCR2, 25, 0, 1, 0),
- MSTP("irda0", &div4_clks[DIV4_P], MSTPCR2, 24, 0, 1, 0),
- MSTP("tsif0", &div4_clks[DIV4_B], MSTPCR2, 22, 0, 1, 0),
- MSTP("usb1", &div4_clks[DIV4_B], MSTPCR2, 21, 0, 1, 1),
- MSTP("usb0", &div4_clks[DIV4_B], MSTPCR2, 20, 0, 1, 1),
- MSTP("2dg0", &div4_clks[DIV4_B], MSTPCR2, 19, 0, 1, 1),
- MSTP("sdhi0", &div4_clks[DIV4_B], MSTPCR2, 18, 0, 1, 0),
- MSTP("sdhi1", &div4_clks[DIV4_B], MSTPCR2, 17, 0, 1, 0),
- MSTP("veu1", &div4_clks[DIV4_B], MSTPCR2, 15, 1, 1, 1),
- MSTP("ceu1", &div4_clks[DIV4_B], MSTPCR2, 13, 0, 1, 1),
- MSTP("beu1", &div4_clks[DIV4_B], MSTPCR2, 12, 0, 1, 1),
- MSTP("2ddmac0", &div4_clks[DIV4_SH], MSTPCR2, 10, 0, 1, 1),
- MSTP("spu0", &div4_clks[DIV4_B], MSTPCR2, 9, 0, 1, 0),
- MSTP("jpu0", &div4_clks[DIV4_B], MSTPCR2, 6, 1, 1, 1),
- MSTP("vou0", &div4_clks[DIV4_B], MSTPCR2, 5, 0, 1, 1),
- MSTP("beu0", &div4_clks[DIV4_B], MSTPCR2, 4, 0, 1, 1),
- MSTP("ceu0", &div4_clks[DIV4_B], MSTPCR2, 3, 0, 1, 1),
- MSTP("veu0", &div4_clks[DIV4_B], MSTPCR2, 2, 1, 1, 1),
- MSTP("vpu0", &div4_clks[DIV4_B], MSTPCR2, 1, 1, 1, 1),
- MSTP("lcdc0", &div4_clks[DIV4_B], MSTPCR2, 0, 0, 1, 1),
+ SH_HWBLK_CLK("tlb0", -1, I_CLK, HWBLK_TLB, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("ic0", -1, I_CLK, HWBLK_IC, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("oc0", -1, I_CLK, HWBLK_OC, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("rs0", -1, B_CLK, HWBLK_RSMEM, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("ilmem0", -1, I_CLK, HWBLK_ILMEM, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("l2c0", -1, SH_CLK, HWBLK_L2C, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("fpu0", -1, I_CLK, HWBLK_FPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("intc0", -1, P_CLK, HWBLK_INTC, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("dmac0", -1, B_CLK, HWBLK_DMAC0, 0),
+ SH_HWBLK_CLK("sh0", -1, SH_CLK, HWBLK_SHYWAY, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("hudi0", -1, P_CLK, HWBLK_HUDI, 0),
+ SH_HWBLK_CLK("ubc0", -1, I_CLK, HWBLK_UBC, 0),
+ SH_HWBLK_CLK("tmu0", -1, P_CLK, HWBLK_TMU0, 0),
+ SH_HWBLK_CLK("cmt0", -1, R_CLK, HWBLK_CMT, 0),
+ SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0),
+ SH_HWBLK_CLK("dmac1", -1, B_CLK, HWBLK_DMAC1, 0),
+ SH_HWBLK_CLK("tmu1", -1, P_CLK, HWBLK_TMU1, 0),
+ SH_HWBLK_CLK("scif0", -1, P_CLK, HWBLK_SCIF0, 0),
+ SH_HWBLK_CLK("scif1", -1, P_CLK, HWBLK_SCIF1, 0),
+ SH_HWBLK_CLK("scif2", -1, P_CLK, HWBLK_SCIF2, 0),
+ SH_HWBLK_CLK("scif3", -1, B_CLK, HWBLK_SCIF3, 0),
+ SH_HWBLK_CLK("scif4", -1, B_CLK, HWBLK_SCIF4, 0),
+ SH_HWBLK_CLK("scif5", -1, B_CLK, HWBLK_SCIF5, 0),
+ SH_HWBLK_CLK("msiof0", -1, B_CLK, HWBLK_MSIOF0, 0),
+ SH_HWBLK_CLK("msiof1", -1, B_CLK, HWBLK_MSIOF1, 0),
+
+ SH_HWBLK_CLK("keysc0", -1, R_CLK, HWBLK_KEYSC, 0),
+ SH_HWBLK_CLK("rtc0", -1, R_CLK, HWBLK_RTC, 0),
+ SH_HWBLK_CLK("i2c0", -1, P_CLK, HWBLK_IIC0, 0),
+ SH_HWBLK_CLK("i2c1", -1, P_CLK, HWBLK_IIC1, 0),
+
+ SH_HWBLK_CLK("mmc0", -1, B_CLK, HWBLK_MMC, 0),
+ SH_HWBLK_CLK("eth0", -1, B_CLK, HWBLK_ETHER, 0),
+ SH_HWBLK_CLK("atapi0", -1, B_CLK, HWBLK_ATAPI, 0),
+ SH_HWBLK_CLK("tpu0", -1, B_CLK, HWBLK_TPU, 0),
+ SH_HWBLK_CLK("irda0", -1, P_CLK, HWBLK_IRDA, 0),
+ SH_HWBLK_CLK("tsif0", -1, B_CLK, HWBLK_TSIF, 0),
+ SH_HWBLK_CLK("usb1", -1, B_CLK, HWBLK_USB1, 0),
+ SH_HWBLK_CLK("usb0", -1, B_CLK, HWBLK_USB0, 0),
+ SH_HWBLK_CLK("2dg0", -1, B_CLK, HWBLK_2DG, 0),
+ SH_HWBLK_CLK("sdhi0", -1, B_CLK, HWBLK_SDHI0, 0),
+ SH_HWBLK_CLK("sdhi1", -1, B_CLK, HWBLK_SDHI1, 0),
+ SH_HWBLK_CLK("veu1", -1, B_CLK, HWBLK_VEU1, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("ceu1", -1, B_CLK, HWBLK_CEU1, 0),
+ SH_HWBLK_CLK("beu1", -1, B_CLK, HWBLK_BEU1, 0),
+ SH_HWBLK_CLK("2ddmac0", -1, SH_CLK, HWBLK_2DDMAC, 0),
+ SH_HWBLK_CLK("spu0", -1, B_CLK, HWBLK_SPU, 0),
+ SH_HWBLK_CLK("jpu0", -1, B_CLK, HWBLK_JPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("vou0", -1, B_CLK, HWBLK_VOU, 0),
+ SH_HWBLK_CLK("beu0", -1, B_CLK, HWBLK_BEU0, 0),
+ SH_HWBLK_CLK("ceu0", -1, B_CLK, HWBLK_CEU0, 0),
+ SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU0, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("lcdc0", -1, B_CLK, HWBLK_LCDC, 0),
};
int __init arch_clk_init(void)
@@ -236,7 +241,7 @@ int __init arch_clk_init(void)
ret = sh_clk_div6_register(div6_clks, ARRAY_SIZE(div6_clks));
if (!ret)
- ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
+ ret = sh_hwblk_clk_register(mstp_clks, ARRAY_SIZE(mstp_clks));
return ret;
}
diff --git a/arch/sh/kernel/cpu/sh4a/hwblk-sh7724.c b/arch/sh/kernel/cpu/sh4a/hwblk-sh7724.c
new file mode 100644
index 000000000000..1613ad6013c3
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/hwblk-sh7724.c
@@ -0,0 +1,121 @@
+/*
+ * arch/sh/kernel/cpu/sh4a/hwblk-sh7724.c
+ *
+ * SH7724 hardware block support
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/suspend.h>
+#include <asm/hwblk.h>
+#include <cpu/sh7724.h>
+
+/* SH7724 registers */
+#define MSTPCR0 0xa4150030
+#define MSTPCR1 0xa4150034
+#define MSTPCR2 0xa4150038
+
+/* SH7724 Power Domains */
+enum { CORE_AREA, SUB_AREA, CORE_AREA_BM };
+static struct hwblk_area sh7724_hwblk_area[] = {
+ [CORE_AREA] = HWBLK_AREA(0, 0),
+ [CORE_AREA_BM] = HWBLK_AREA(HWBLK_AREA_FLAG_PARENT, CORE_AREA),
+ [SUB_AREA] = HWBLK_AREA(0, 0),
+};
+
+/* Table mapping HWBLK to Module Stop Bit and Power Domain */
+static struct hwblk sh7724_hwblk[HWBLK_NR] = {
+ [HWBLK_TLB] = HWBLK(MSTPCR0, 31, CORE_AREA),
+ [HWBLK_IC] = HWBLK(MSTPCR0, 30, CORE_AREA),
+ [HWBLK_OC] = HWBLK(MSTPCR0, 29, CORE_AREA),
+ [HWBLK_RSMEM] = HWBLK(MSTPCR0, 28, CORE_AREA),
+ [HWBLK_ILMEM] = HWBLK(MSTPCR0, 27, CORE_AREA),
+ [HWBLK_L2C] = HWBLK(MSTPCR0, 26, CORE_AREA),
+ [HWBLK_FPU] = HWBLK(MSTPCR0, 24, CORE_AREA),
+ [HWBLK_INTC] = HWBLK(MSTPCR0, 22, CORE_AREA),
+ [HWBLK_DMAC0] = HWBLK(MSTPCR0, 21, CORE_AREA_BM),
+ [HWBLK_SHYWAY] = HWBLK(MSTPCR0, 20, CORE_AREA),
+ [HWBLK_HUDI] = HWBLK(MSTPCR0, 19, CORE_AREA),
+ [HWBLK_DBG] = HWBLK(MSTPCR0, 18, CORE_AREA),
+ [HWBLK_UBC] = HWBLK(MSTPCR0, 17, CORE_AREA),
+ [HWBLK_TMU0] = HWBLK(MSTPCR0, 15, CORE_AREA),
+ [HWBLK_CMT] = HWBLK(MSTPCR0, 14, SUB_AREA),
+ [HWBLK_RWDT] = HWBLK(MSTPCR0, 13, SUB_AREA),
+ [HWBLK_DMAC1] = HWBLK(MSTPCR0, 12, CORE_AREA_BM),
+ [HWBLK_TMU1] = HWBLK(MSTPCR0, 10, CORE_AREA),
+ [HWBLK_SCIF0] = HWBLK(MSTPCR0, 9, CORE_AREA),
+ [HWBLK_SCIF1] = HWBLK(MSTPCR0, 8, CORE_AREA),
+ [HWBLK_SCIF2] = HWBLK(MSTPCR0, 7, CORE_AREA),
+ [HWBLK_SCIF3] = HWBLK(MSTPCR0, 6, CORE_AREA),
+ [HWBLK_SCIF4] = HWBLK(MSTPCR0, 5, CORE_AREA),
+ [HWBLK_SCIF5] = HWBLK(MSTPCR0, 4, CORE_AREA),
+ [HWBLK_MSIOF0] = HWBLK(MSTPCR0, 2, CORE_AREA),
+ [HWBLK_MSIOF1] = HWBLK(MSTPCR0, 1, CORE_AREA),
+
+ [HWBLK_KEYSC] = HWBLK(MSTPCR1, 12, SUB_AREA),
+ [HWBLK_RTC] = HWBLK(MSTPCR1, 11, SUB_AREA),
+ [HWBLK_IIC0] = HWBLK(MSTPCR1, 9, CORE_AREA),
+ [HWBLK_IIC1] = HWBLK(MSTPCR1, 8, CORE_AREA),
+
+ [HWBLK_MMC] = HWBLK(MSTPCR2, 29, CORE_AREA),
+ [HWBLK_ETHER] = HWBLK(MSTPCR2, 28, CORE_AREA_BM),
+ [HWBLK_ATAPI] = HWBLK(MSTPCR2, 26, CORE_AREA_BM),
+ [HWBLK_TPU] = HWBLK(MSTPCR2, 25, CORE_AREA),
+ [HWBLK_IRDA] = HWBLK(MSTPCR2, 24, CORE_AREA),
+ [HWBLK_TSIF] = HWBLK(MSTPCR2, 22, CORE_AREA),
+ [HWBLK_USB1] = HWBLK(MSTPCR2, 21, CORE_AREA),
+ [HWBLK_USB0] = HWBLK(MSTPCR2, 20, CORE_AREA),
+ [HWBLK_2DG] = HWBLK(MSTPCR2, 19, CORE_AREA_BM),
+ [HWBLK_SDHI0] = HWBLK(MSTPCR2, 18, CORE_AREA),
+ [HWBLK_SDHI1] = HWBLK(MSTPCR2, 17, CORE_AREA),
+ [HWBLK_VEU1] = HWBLK(MSTPCR2, 15, CORE_AREA_BM),
+ [HWBLK_CEU1] = HWBLK(MSTPCR2, 13, CORE_AREA_BM),
+ [HWBLK_BEU1] = HWBLK(MSTPCR2, 12, CORE_AREA_BM),
+ [HWBLK_2DDMAC] = HWBLK(MSTPCR2, 10, CORE_AREA_BM),
+ [HWBLK_SPU] = HWBLK(MSTPCR2, 9, CORE_AREA_BM),
+ [HWBLK_JPU] = HWBLK(MSTPCR2, 6, CORE_AREA_BM),
+ [HWBLK_VOU] = HWBLK(MSTPCR2, 5, CORE_AREA_BM),
+ [HWBLK_BEU0] = HWBLK(MSTPCR2, 4, CORE_AREA_BM),
+ [HWBLK_CEU0] = HWBLK(MSTPCR2, 3, CORE_AREA_BM),
+ [HWBLK_VEU0] = HWBLK(MSTPCR2, 2, CORE_AREA_BM),
+ [HWBLK_VPU] = HWBLK(MSTPCR2, 1, CORE_AREA_BM),
+ [HWBLK_LCDC] = HWBLK(MSTPCR2, 0, CORE_AREA_BM),
+};
+
+static struct hwblk_info sh7724_hwblk_info = {
+ .areas = sh7724_hwblk_area,
+ .nr_areas = ARRAY_SIZE(sh7724_hwblk_area),
+ .hwblks = sh7724_hwblk,
+ .nr_hwblks = ARRAY_SIZE(sh7724_hwblk),
+};
+
+int arch_hwblk_sleep_mode(void)
+{
+ if (!sh7724_hwblk_area[CORE_AREA].cnt[HWBLK_CNT_USAGE])
+ return SUSP_SH_STANDBY | SUSP_SH_SF;
+
+ if (!sh7724_hwblk_area[CORE_AREA_BM].cnt[HWBLK_CNT_USAGE])
+ return SUSP_SH_SLEEP | SUSP_SH_SF;
+
+ return SUSP_SH_SLEEP;
+}
+
+int __init arch_hwblk_init(void)
+{
+ return hwblk_register(&sh7724_hwblk_info);
+}
--
GitLab
From 133b170f08d6c20578f25b1ae71f80a5e638ccb6 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 07:01:36 +0000
Subject: [PATCH 086/742] sh: clean up MSTPCRn register definitions
This patch removes the unused MSTPCRn register definitions
from the SuperH Mobile code for sh7722, sh7723 and sh7724.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh4a/clock-sh7722.c | 3 ---
arch/sh/kernel/cpu/sh4a/clock-sh7723.c | 3 ---
arch/sh/kernel/cpu/sh4a/clock-sh7724.c | 3 ---
3 files changed, 9 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
index 1fa9e1dd1cc8..5b1bbbe63b1b 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -32,9 +32,6 @@
#define SCLKBCR 0xa415000c
#define IRDACLKCR 0xa4150018
#define PLLCR 0xa4150024
-#define MSTPCR0 0xa4150030
-#define MSTPCR1 0xa4150034
-#define MSTPCR2 0xa4150038
#define DLLFRQ 0xa4150050
/* Fixed 32 KHz root clock for RTC and Power Management purposes */
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
index bf64c78eee34..e5c63911403c 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
@@ -32,9 +32,6 @@
#define SCLKBCR 0xa415000c
#define IRDACLKCR 0xa4150018
#define PLLCR 0xa4150024
-#define MSTPCR0 0xa4150030
-#define MSTPCR1 0xa4150034
-#define MSTPCR2 0xa4150038
#define DLLFRQ 0xa4150050
/* Fixed 32 KHz root clock for RTC and Power Management purposes */
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index ba24e38c9fc7..34611d97378e 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -33,9 +33,6 @@
#define FCLKBCR 0xa415000c
#define IRDACLKCR 0xa4150018
#define PLLCR 0xa4150024
-#define MSTPCR0 0xa4150030
-#define MSTPCR1 0xa4150034
-#define MSTPCR2 0xa4150038
#define SPUCLKCR 0xa415003c
#define FLLFRQ 0xa4150050
#define LSTATS 0xa4150060
--
GitLab
From 4f3243117ad42b4d1faeecd452f7b24306fcfc4a Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Mon, 3 Aug 2009 04:52:03 +0000
Subject: [PATCH 087/742] sh: ms7724se: add 1280x720 lcdc output support
There was no big meaning in the support of SVGA,
but 720p support is necessary for ms7724se board.
So, this patch support 720p instead of SVGA.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-se/7724/setup.c | 28 ++++++++++++++++++----------
1 file changed, 18 insertions(+), 10 deletions(-)
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 4fb7e48e2843..957ed176ea2c 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -39,7 +39,15 @@
* SW41 : abxx xxxx -> a = 0 : Analog monitor
* 1 : Digital monitor
* b = 0 : VGA
- * 1 : SVGA
+ * 1 : 720p
+ */
+
+/*
+ * about 720p
+ *
+ * When you use 1280 x 720 lcdc output,
+ * you should change OSC6 lcdc clock from 25.175MHz to 74.25MHz,
+ * and change SW41 to use 720p
*/
/* Heartbeat */
@@ -546,15 +554,15 @@ static int __init devices_setup(void)
sh_eth_init();
if (sw & SW41_B) {
- /* SVGA */
- lcdc_info.ch[0].lcd_cfg.xres = 800;
- lcdc_info.ch[0].lcd_cfg.yres = 600;
- lcdc_info.ch[0].lcd_cfg.left_margin = 142;
- lcdc_info.ch[0].lcd_cfg.right_margin = 52;
- lcdc_info.ch[0].lcd_cfg.hsync_len = 96;
- lcdc_info.ch[0].lcd_cfg.upper_margin = 24;
- lcdc_info.ch[0].lcd_cfg.lower_margin = 2;
- lcdc_info.ch[0].lcd_cfg.vsync_len = 2;
+ /* 720p */
+ lcdc_info.ch[0].lcd_cfg.xres = 1280;
+ lcdc_info.ch[0].lcd_cfg.yres = 720;
+ lcdc_info.ch[0].lcd_cfg.left_margin = 220;
+ lcdc_info.ch[0].lcd_cfg.right_margin = 110;
+ lcdc_info.ch[0].lcd_cfg.hsync_len = 40;
+ lcdc_info.ch[0].lcd_cfg.upper_margin = 20;
+ lcdc_info.ch[0].lcd_cfg.lower_margin = 5;
+ lcdc_info.ch[0].lcd_cfg.vsync_len = 5;
} else {
/* VGA */
lcdc_info.ch[0].lcd_cfg.xres = 640;
--
GitLab
From edc67b29425b12312356fe9a92352ce6b7307c68 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Mon, 3 Aug 2009 04:52:24 +0000
Subject: [PATCH 088/742] sh: Add SH7724 DMAC support.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/dma-sh.h | 1 +
arch/sh/include/cpu-sh4/cpu/dma-sh4a.h | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/sh/include/asm/dma-sh.h b/arch/sh/include/asm/dma-sh.h
index 0c8f8e14622a..68a5f4cb0343 100644
--- a/arch/sh/include/asm/dma-sh.h
+++ b/arch/sh/include/asm/dma-sh.h
@@ -16,6 +16,7 @@
/* DMAOR contorl: The DMAOR access size is different by CPU.*/
#if defined(CONFIG_CPU_SUBTYPE_SH7723) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7724) || \
defined(CONFIG_CPU_SUBTYPE_SH7780) || \
defined(CONFIG_CPU_SUBTYPE_SH7785)
#define dmaor_read_reg(n) \
diff --git a/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
index 0ed5178fed69..f0886bc880e0 100644
--- a/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
+++ b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
@@ -16,7 +16,8 @@
#define DMAE0_IRQ 38
#define SH_DMAC_BASE0 0xFF608020
#define SH_DMARS_BASE 0xFF609000
-#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7724)
#define DMTE0_IRQ 48 /* DMAC0A*/
#define DMTE4_IRQ 40 /* DMAC0B */
#define DMTE6_IRQ 42
--
GitLab
From 9aaa74908b2117bcd560ab3ea8a9d6a491a77c28 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 07:47:17 +0000
Subject: [PATCH 089/742] sh: Runtime PM pdev hwblk
These patches extend struct platform device data for a bunch of
SuperH Mobile processors and embedded boards. The patches simply
add hardware block ids to on-chip platform devices. Platform
devices off chip (such as external ethernet controllers or flash
chips) are left out which gives them a special case hardware block
id of zero.
Upcoming Runtime PM code will make use of the hardware block id
to group devices together. The hardware block id can also be used
to extend the SuperH Mobile clock framework implementation.
This series of patches depend on the following:
"Driver Core: Add platform device arch data V3".
This patch adds a hwblk_id member to struct pdev_archdata. This member
should be used to point out on-chip hardware block id.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/device.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/sh/include/asm/device.h b/arch/sh/include/asm/device.h
index 8688a88303ee..783ecdc64e25 100644
--- a/arch/sh/include/asm/device.h
+++ b/arch/sh/include/asm/device.h
@@ -3,7 +3,9 @@
*
* This file is released under the GPLv2
*/
-#include <asm-generic/device.h>
+
+struct dev_archdata {
+};
struct platform_device;
/* allocate contiguous memory chunk and fill in struct resource */
@@ -12,3 +14,6 @@ int platform_resource_setup_memory(struct platform_device *pdev,
void plat_early_device_setup(void);
+struct pdev_archdata {
+ int hwblk_id;
+};
--
GitLab
From f69d5782742e57d5f047ed13440bcf1b320cb074 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 07:47:27 +0000
Subject: [PATCH 090/742] sh: Runtime PM pdev hwblk - sh7722
Add hwblk_id to on-chip sh7722 platform devices.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 31 ++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 67b0d87fcb27..35097753456c 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -17,6 +17,7 @@
#include <linux/sh_timer.h>
#include <asm/clock.h>
#include <asm/mmzone.h>
+#include <cpu/sh7722.h>
static struct resource rtc_resources[] = {
[0] = {
@@ -46,6 +47,9 @@ static struct platform_device rtc_device = {
.id = -1,
.num_resources = ARRAY_SIZE(rtc_resources),
.resource = rtc_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_RTC,
+ },
};
static struct m66592_platdata usbf_platdata = {
@@ -76,6 +80,9 @@ static struct platform_device usbf_device = {
},
.num_resources = ARRAY_SIZE(usbf_resources),
.resource = usbf_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_USBF,
+ },
};
static struct resource iic_resources[] = {
@@ -97,6 +104,9 @@ static struct platform_device iic_device = {
.id = 0, /* "i2c0" clock */
.num_resources = ARRAY_SIZE(iic_resources),
.resource = iic_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_IIC,
+ },
};
static struct uio_info vpu_platform_data = {
@@ -125,6 +135,9 @@ static struct platform_device vpu_device = {
},
.resource = vpu_resources,
.num_resources = ARRAY_SIZE(vpu_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_VPU,
+ },
};
static struct uio_info veu_platform_data = {
@@ -153,6 +166,9 @@ static struct platform_device veu_device = {
},
.resource = veu_resources,
.num_resources = ARRAY_SIZE(veu_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_VEU,
+ },
};
static struct uio_info jpu_platform_data = {
@@ -181,6 +197,9 @@ static struct platform_device jpu_device = {
},
.resource = jpu_resources,
.num_resources = ARRAY_SIZE(jpu_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_JPU,
+ },
};
static struct sh_timer_config cmt_platform_data = {
@@ -213,6 +232,9 @@ static struct platform_device cmt_device = {
},
.resource = cmt_resources,
.num_resources = ARRAY_SIZE(cmt_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_CMT,
+ },
};
static struct sh_timer_config tmu0_platform_data = {
@@ -244,6 +266,9 @@ static struct platform_device tmu0_device = {
},
.resource = tmu0_resources,
.num_resources = ARRAY_SIZE(tmu0_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU,
+ },
};
static struct sh_timer_config tmu1_platform_data = {
@@ -275,6 +300,9 @@ static struct platform_device tmu1_device = {
},
.resource = tmu1_resources,
.num_resources = ARRAY_SIZE(tmu1_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU,
+ },
};
static struct sh_timer_config tmu2_platform_data = {
@@ -305,6 +333,9 @@ static struct platform_device tmu2_device = {
},
.resource = tmu2_resources,
.num_resources = ARRAY_SIZE(tmu2_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU,
+ },
};
static struct plat_sci_port sci_platform_data[] = {
--
GitLab
From 2de63cf376585508f6942aaa7337848f8c4cdd7d Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 07:47:35 +0000
Subject: [PATCH 091/742] sh: Runtime PM pdev hwblk - Migo-R
Add hwblk_id to Migo-R board specific on-chip sh7722
platform devices.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-migor/setup.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index f70f4644deb4..a508a0fa7315 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -98,6 +98,9 @@ static struct platform_device sh_keysc_device = {
.dev = {
.platform_data = &sh_keysc_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_KEYSC,
+ },
};
static struct mtd_partition migor_nor_flash_partitions[] =
@@ -292,6 +295,9 @@ static struct platform_device migor_lcdc_device = {
.dev = {
.platform_data = &sh_mobile_lcdc_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_LCDC,
+ },
};
static struct clk *camera_clk;
@@ -379,6 +385,9 @@ static struct platform_device migor_ceu_device = {
.dev = {
.platform_data = &sh_mobile_ceu_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_CEU,
+ },
};
struct spi_gpio_platform_data sdcard_cn9_platform_data = {
--
GitLab
From 66d9c51ac434615b0f0e864c0c9a81d7264ca3ef Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 07:47:44 +0000
Subject: [PATCH 092/742] sh: Runtime PM pdev hwblk - Solution Engine 7722
Add hwblk_id to Solution Engine 7722 board specific
on-chip sh7722 platform devices.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-se/7722/setup.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/sh/boards/mach-se/7722/setup.c b/arch/sh/boards/mach-se/7722/setup.c
index af84904ed86f..36374078e521 100644
--- a/arch/sh/boards/mach-se/7722/setup.c
+++ b/arch/sh/boards/mach-se/7722/setup.c
@@ -22,6 +22,7 @@
#include <asm/io.h>
#include <asm/heartbeat.h>
#include <asm/sh_keysc.h>
+#include <cpu/sh7722.h>
/* Heartbeat */
static struct heartbeat_data heartbeat_data = {
@@ -137,6 +138,9 @@ static struct platform_device sh_keysc_device = {
.dev = {
.platform_data = &sh_keysc_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_KEYSC,
+ },
};
static struct platform_device *se7722_devices[] __initdata = {
--
GitLab
From 09d21f9c83c49afd04850b8701772c09954054e0 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 07:47:53 +0000
Subject: [PATCH 093/742] sh: Runtime PM pdev hwblk - sh7723
Add hwblk_id to on-chip sh7723 platform devices.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 40 ++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
index 26dc4d323252..4caa5a7ca86e 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
@@ -18,6 +18,7 @@
#include <linux/io.h>
#include <asm/clock.h>
#include <asm/mmzone.h>
+#include <cpu/sh7723.h>
static struct uio_info vpu_platform_data = {
.name = "VPU5",
@@ -45,6 +46,9 @@ static struct platform_device vpu_device = {
},
.resource = vpu_resources,
.num_resources = ARRAY_SIZE(vpu_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_VPU,
+ },
};
static struct uio_info veu0_platform_data = {
@@ -73,6 +77,9 @@ static struct platform_device veu0_device = {
},
.resource = veu0_resources,
.num_resources = ARRAY_SIZE(veu0_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_VEU2H0,
+ },
};
static struct uio_info veu1_platform_data = {
@@ -101,6 +108,9 @@ static struct platform_device veu1_device = {
},
.resource = veu1_resources,
.num_resources = ARRAY_SIZE(veu1_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_VEU2H1,
+ },
};
static struct sh_timer_config cmt_platform_data = {
@@ -133,6 +143,9 @@ static struct platform_device cmt_device = {
},
.resource = cmt_resources,
.num_resources = ARRAY_SIZE(cmt_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_CMT,
+ },
};
static struct sh_timer_config tmu0_platform_data = {
@@ -164,6 +177,9 @@ static struct platform_device tmu0_device = {
},
.resource = tmu0_resources,
.num_resources = ARRAY_SIZE(tmu0_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU0,
+ },
};
static struct sh_timer_config tmu1_platform_data = {
@@ -195,6 +211,9 @@ static struct platform_device tmu1_device = {
},
.resource = tmu1_resources,
.num_resources = ARRAY_SIZE(tmu1_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU0,
+ },
};
static struct sh_timer_config tmu2_platform_data = {
@@ -225,6 +244,9 @@ static struct platform_device tmu2_device = {
},
.resource = tmu2_resources,
.num_resources = ARRAY_SIZE(tmu2_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU0,
+ },
};
static struct sh_timer_config tmu3_platform_data = {
@@ -255,6 +277,9 @@ static struct platform_device tmu3_device = {
},
.resource = tmu3_resources,
.num_resources = ARRAY_SIZE(tmu3_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU1,
+ },
};
static struct sh_timer_config tmu4_platform_data = {
@@ -285,6 +310,9 @@ static struct platform_device tmu4_device = {
},
.resource = tmu4_resources,
.num_resources = ARRAY_SIZE(tmu4_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU1,
+ },
};
static struct sh_timer_config tmu5_platform_data = {
@@ -315,6 +343,9 @@ static struct platform_device tmu5_device = {
},
.resource = tmu5_resources,
.num_resources = ARRAY_SIZE(tmu5_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU1,
+ },
};
static struct plat_sci_port sci_platform_data[] = {
@@ -395,6 +426,9 @@ static struct platform_device rtc_device = {
.id = -1,
.num_resources = ARRAY_SIZE(rtc_resources),
.resource = rtc_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_RTC,
+ },
};
static struct r8a66597_platdata r8a66597_data = {
@@ -424,6 +458,9 @@ static struct platform_device sh7723_usb_host_device = {
},
.num_resources = ARRAY_SIZE(sh7723_usb_host_resources),
.resource = sh7723_usb_host_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_USB,
+ },
};
static struct resource iic_resources[] = {
@@ -445,6 +482,9 @@ static struct platform_device iic_device = {
.id = 0, /* "i2c0" clock */
.num_resources = ARRAY_SIZE(iic_resources),
.resource = iic_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_IIC,
+ },
};
static struct platform_device *sh7723_devices[] __initdata = {
--
GitLab
From d3a6f6260a3fecd9a8e301fcf37d87ee70edca12 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 07:48:02 +0000
Subject: [PATCH 094/742] sh: Runtime PM pdev hwblk - AP325RXA
Add hwblk_id to AP325RXA board specific on-chip sh7723
platform devices.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/board-ap325rxa.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 7ffd1b4315bd..07a54740d43e 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -227,6 +227,9 @@ static struct platform_device lcdc_device = {
.dev = {
.platform_data = &lcdc_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_LCDC,
+ },
};
static void camera_power(int val)
@@ -377,6 +380,9 @@ static struct platform_device ceu_device = {
.dev = {
.platform_data = &sh_mobile_ceu_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_CEU,
+ },
};
struct spi_gpio_platform_data sdcard_cn3_platform_data = {
--
GitLab
From 593a0c898ac2f09f001d536f699966ec4bc1d25f Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 07:48:11 +0000
Subject: [PATCH 095/742] sh: Runtime PM pdev hwblk - sh7724
Add hwblk_id to on-chip sh7724 platform devices.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh4a/setup-sh7724.c | 43 ++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index a04edaab9a29..f3851fd757ec 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -22,6 +22,7 @@
#include <linux/io.h>
#include <asm/clock.h>
#include <asm/mmzone.h>
+#include <cpu/sh7724.h>
/* Serial */
static struct plat_sci_port sci_platform_data[] = {
@@ -103,6 +104,9 @@ static struct platform_device rtc_device = {
.id = -1,
.num_resources = ARRAY_SIZE(rtc_resources),
.resource = rtc_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_RTC,
+ },
};
/* I2C0 */
@@ -125,6 +129,9 @@ static struct platform_device iic0_device = {
.id = 0, /* "i2c0" clock */
.num_resources = ARRAY_SIZE(iic0_resources),
.resource = iic0_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_IIC0,
+ },
};
/* I2C1 */
@@ -147,6 +154,9 @@ static struct platform_device iic1_device = {
.id = 1, /* "i2c1" clock */
.num_resources = ARRAY_SIZE(iic1_resources),
.resource = iic1_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_IIC1,
+ },
};
/* VPU */
@@ -176,6 +186,9 @@ static struct platform_device vpu_device = {
},
.resource = vpu_resources,
.num_resources = ARRAY_SIZE(vpu_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_VPU,
+ },
};
/* VEU0 */
@@ -205,6 +218,9 @@ static struct platform_device veu0_device = {
},
.resource = veu0_resources,
.num_resources = ARRAY_SIZE(veu0_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_VEU0,
+ },
};
/* VEU1 */
@@ -234,6 +250,9 @@ static struct platform_device veu1_device = {
},
.resource = veu1_resources,
.num_resources = ARRAY_SIZE(veu1_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_VEU1,
+ },
};
static struct sh_timer_config cmt_platform_data = {
@@ -266,6 +285,9 @@ static struct platform_device cmt_device = {
},
.resource = cmt_resources,
.num_resources = ARRAY_SIZE(cmt_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_CMT,
+ },
};
static struct sh_timer_config tmu0_platform_data = {
@@ -297,6 +319,9 @@ static struct platform_device tmu0_device = {
},
.resource = tmu0_resources,
.num_resources = ARRAY_SIZE(tmu0_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU0,
+ },
};
static struct sh_timer_config tmu1_platform_data = {
@@ -328,6 +353,9 @@ static struct platform_device tmu1_device = {
},
.resource = tmu1_resources,
.num_resources = ARRAY_SIZE(tmu1_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU0,
+ },
};
static struct sh_timer_config tmu2_platform_data = {
@@ -358,6 +386,9 @@ static struct platform_device tmu2_device = {
},
.resource = tmu2_resources,
.num_resources = ARRAY_SIZE(tmu2_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU0,
+ },
};
@@ -389,6 +420,9 @@ static struct platform_device tmu3_device = {
},
.resource = tmu3_resources,
.num_resources = ARRAY_SIZE(tmu3_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU1,
+ },
};
static struct sh_timer_config tmu4_platform_data = {
@@ -419,6 +453,9 @@ static struct platform_device tmu4_device = {
},
.resource = tmu4_resources,
.num_resources = ARRAY_SIZE(tmu4_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU1,
+ },
};
static struct sh_timer_config tmu5_platform_data = {
@@ -449,6 +486,9 @@ static struct platform_device tmu5_device = {
},
.resource = tmu5_resources,
.num_resources = ARRAY_SIZE(tmu5_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_TMU1,
+ },
};
/* JPU */
@@ -478,6 +518,9 @@ static struct platform_device jpu_device = {
},
.resource = jpu_resources,
.num_resources = ARRAY_SIZE(jpu_resources),
+ .archdata = {
+ .hwblk_id = HWBLK_JPU,
+ },
};
static struct platform_device *sh7724_devices[] __initdata = {
--
GitLab
From 442c37534c6a46d8ed27144fb09818833edbd049 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 07:48:21 +0000
Subject: [PATCH 096/742] sh: Runtime PM pdev hwblk - kfr2r09
Add hwblk_id to kfr2r09 board specific on-chip sh7724
platform devices.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-kfr2r09/setup.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index bf5f8f8d3b5f..0e9b39034df3 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -95,6 +95,9 @@ static struct platform_device kfr2r09_sh_keysc_device = {
.dev = {
.platform_data = &kfr2r09_sh_keysc_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_KEYSC,
+ },
};
static struct platform_device *kfr2r09_devices[] __initdata = {
--
GitLab
From df47cd096c8f54a5242e3a2ffb4525c804567eda Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 31 Jul 2009 07:48:29 +0000
Subject: [PATCH 097/742] sh: Runtime PM pdev hwblk - Solution Engine 7724
Add hwblk_id to Solution Engine 7724 board specific
on-chip sh7724 platform devices.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-se/7724/setup.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 4fb7e48e2843..8de5ebc36b67 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -174,6 +174,9 @@ static struct platform_device lcdc_device = {
.dev = {
.platform_data = &lcdc_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_LCDC,
+ },
};
/* CEU0 */
@@ -205,6 +208,9 @@ static struct platform_device ceu0_device = {
.dev = {
.platform_data = &sh_mobile_ceu0_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_CEU0,
+ },
};
/* CEU1 */
@@ -236,6 +242,9 @@ static struct platform_device ceu1_device = {
.dev = {
.platform_data = &sh_mobile_ceu1_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_CEU1,
+ },
};
/* KEYSC */
@@ -273,6 +282,9 @@ static struct platform_device keysc_device = {
.dev = {
.platform_data = &keysc_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_KEYSC,
+ },
};
/* SH Eth */
@@ -301,6 +313,9 @@ static struct platform_device sh_eth_device = {
},
.num_resources = ARRAY_SIZE(sh_eth_resources),
.resource = sh_eth_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_ETHER,
+ },
};
static struct r8a66597_platdata sh7724_usb0_host_data = {
@@ -330,6 +345,9 @@ static struct platform_device sh7724_usb0_host_device = {
},
.num_resources = ARRAY_SIZE(sh7724_usb0_host_resources),
.resource = sh7724_usb0_host_resources,
+ .archdata = {
+ .hwblk_id = HWBLK_USB0,
+ },
};
static struct platform_device *ms7724se_devices[] __initdata = {
--
GitLab
From 11d82905e0159c07fe2d1bfe5e7d80e4cea333ce Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 4 Aug 2009 15:54:33 +0900
Subject: [PATCH 098/742] sh: Fix up early printk build error.
Missing endif in the early printk case, fix it up..
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/early_printk.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c
index 64f2746baf91..81a46145ffa5 100644
--- a/arch/sh/kernel/early_printk.c
+++ b/arch/sh/kernel/early_printk.c
@@ -222,6 +222,7 @@ static int __init setup_early_printk(char *buf)
#if !defined(CONFIG_SH_STANDARD_BIOS)
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_CPU_SH3)
scif_sercon_init(buf + 6);
+#endif
#endif
}
#endif
--
GitLab
From 700487c158163f14e6ff10de770b565c1c993c69 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 4 Aug 2009 15:57:44 +0900
Subject: [PATCH 099/742] sh: Add a PG_dcache_dirty sanity check in
kmap_coherent().
This plugs in a BUG_ON() in kmap_coherent() for PG_dcache_dirty pages
to catch when things go horribly wrong. Copied from the MIPS
implementation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/pg-mmu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/sh/mm/pg-mmu.c b/arch/sh/mm/pg-mmu.c
index 8602f68af4c8..32351206edd3 100644
--- a/arch/sh/mm/pg-mmu.c
+++ b/arch/sh/mm/pg-mmu.c
@@ -37,6 +37,8 @@ static inline void *kmap_coherent(struct page *page, unsigned long addr)
unsigned long vaddr, flags;
pte_t pte;
+ BUG_ON(test_bit(PG_dcache_dirty, &page->flags));
+
inc_preempt_count();
idx = (addr & current_cpu_data.dcache.alias_mask) >> PAGE_SHIFT;
--
GitLab
From 222db3e5f21fca563f5f692e000afcc01cb4395c Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 4 Aug 2009 15:59:15 +0900
Subject: [PATCH 100/742] sh: Bring kmap_coherent() out-of-line.
kmap_coherent() has gotten too big to leave as an inline, so we
bring it out-of-line.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/pg-mmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/mm/pg-mmu.c b/arch/sh/mm/pg-mmu.c
index 32351206edd3..e5c5122f4d62 100644
--- a/arch/sh/mm/pg-mmu.c
+++ b/arch/sh/mm/pg-mmu.c
@@ -31,7 +31,7 @@ void __init kmap_coherent_init(void)
#endif
}
-static inline void *kmap_coherent(struct page *page, unsigned long addr)
+static void *kmap_coherent(struct page *page, unsigned long addr)
{
enum fixed_addresses idx;
unsigned long vaddr, flags;
--
GitLab
From b5eb10ae901fa797c19accb684825f0e36ecbe0f Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 4 Aug 2009 16:00:36 +0900
Subject: [PATCH 101/742] sh: Drop unused arguments for kunmap_coherent().
kunmap_coherent() doesn't do anything with its arguments, so just kill
them off.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/pg-mmu.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/sh/mm/pg-mmu.c b/arch/sh/mm/pg-mmu.c
index e5c5122f4d62..a9ede7bae520 100644
--- a/arch/sh/mm/pg-mmu.c
+++ b/arch/sh/mm/pg-mmu.c
@@ -56,7 +56,7 @@ static void *kmap_coherent(struct page *page, unsigned long addr)
return (void *)vaddr;
}
-static inline void kunmap_coherent(struct page *page)
+static inline void kunmap_coherent(void)
{
dec_preempt_count();
preempt_check_resched();
@@ -70,7 +70,7 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
!test_bit(PG_dcache_dirty, &page->flags)) {
void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(vto, src, len);
- kunmap_coherent(vto);
+ kunmap_coherent();
} else {
memcpy(dst, src, len);
if (boot_cpu_data.dcache.n_aliases)
@@ -89,7 +89,7 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
!test_bit(PG_dcache_dirty, &page->flags)) {
void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(dst, vfrom, len);
- kunmap_coherent(vfrom);
+ kunmap_coherent();
} else {
memcpy(dst, src, len);
if (boot_cpu_data.dcache.n_aliases)
@@ -108,7 +108,7 @@ void copy_user_highpage(struct page *to, struct page *from,
!test_bit(PG_dcache_dirty, &from->flags)) {
vfrom = kmap_coherent(from, vaddr);
copy_page(vto, vfrom);
- kunmap_coherent(vfrom);
+ kunmap_coherent();
} else {
vfrom = kmap_atomic(from, KM_USER0);
copy_page(vto, vfrom);
--
GitLab
From c0fe478dbb14fd32e71d1383dbe302b54ce94134 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 4 Aug 2009 16:02:43 +0900
Subject: [PATCH 102/742] sh: Provide __flush_anon_page().
This provides a __flush_anon_page() that handles both the aliasing and
non-aliasing cases. This fixes up some crashes with heavy
get_user_pages() users.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 14 ++++++++++++++
arch/sh/mm/pg-mmu.c | 17 +++++++++++++++++
2 files changed, 31 insertions(+)
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 4c85d55847cc..5dffbd126e46 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -1,6 +1,8 @@
#ifndef __ASM_SH_CACHEFLUSH_H
#define __ASM_SH_CACHEFLUSH_H
+#include <linux/mm.h>
+
#ifdef __KERNEL__
#ifdef CONFIG_CACHE_OFF
@@ -43,6 +45,18 @@ extern void __flush_purge_region(void *start, int size);
extern void __flush_invalidate_region(void *start, int size);
#endif
+#ifdef CONFIG_MMU
+#define ARCH_HAS_FLUSH_ANON_PAGE
+extern void __flush_anon_page(struct page *page, unsigned long);
+
+static inline void flush_anon_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vmaddr)
+{
+ if (boot_cpu_data.dcache.n_aliases && PageAnon(page))
+ __flush_anon_page(page, vmaddr);
+}
+#endif
+
#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
static inline void flush_kernel_dcache_page(struct page *page)
{
diff --git a/arch/sh/mm/pg-mmu.c b/arch/sh/mm/pg-mmu.c
index a9ede7bae520..027c4d83fb8e 100644
--- a/arch/sh/mm/pg-mmu.c
+++ b/arch/sh/mm/pg-mmu.c
@@ -157,3 +157,20 @@ void __update_cache(struct vm_area_struct *vma,
}
}
}
+
+void __flush_anon_page(struct page *page, unsigned long vmaddr)
+{
+ unsigned long addr = (unsigned long) page_address(page);
+
+ if (pages_do_alias(addr, vmaddr)) {
+ if (boot_cpu_data.dcache.n_aliases && page_mapped(page) &&
+ !test_bit(PG_dcache_dirty, &page->flags)) {
+ void *kaddr;
+
+ kaddr = kmap_coherent(page, vmaddr);
+ __flush_wback_region((void *)kaddr, PAGE_SIZE);
+ kunmap_coherent();
+ } else
+ __flush_wback_region((void *)addr, PAGE_SIZE);
+ }
+}
--
GitLab
From c7914834ef3b8a396b7e82ea34ac07cdcfe6f868 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 4 Aug 2009 17:14:39 +0900
Subject: [PATCH 103/742] sh: Tidy up NEFF-based sign extension for SH-5.
This consolidates all of the NEFF-based sign extension for SH-5.
In the future the other SH code will need to make use of this as well,
so make it generic in preparation for more 32/64 consolidation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/pgtable.h | 6 ++++++
arch/sh/kernel/process_64.c | 24 +++++++++-------------
arch/sh/kernel/signal_64.c | 38 ++++++++++++-----------------------
arch/sh/mm/fault_64.c | 11 +---------
arch/sh/mm/tlb-sh5.c | 21 +++++--------------
arch/sh/mm/tlbflush_64.c | 2 +-
6 files changed, 36 insertions(+), 66 deletions(-)
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index 43ef3e99fdd1..3cd7127af957 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -36,6 +36,12 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
#define NEFF_SIGN (1LL << (NEFF - 1))
#define NEFF_MASK (-1LL << NEFF)
+static inline unsigned long long neff_sign_extend(unsigned long val)
+{
+ unsigned long long extended = val;
+ return (extended & NEFF_SIGN) ? (extended | NEFF_MASK) : extended;
+}
+
#ifdef CONFIG_29BIT
#define NPHYS 29
#else
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index 24de74214940..1192398ef582 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -425,7 +425,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
struct task_struct *p, struct pt_regs *regs)
{
struct pt_regs *childregs;
- unsigned long long se; /* Sign extension */
#ifdef CONFIG_SH_FPU
if(last_task_used_math == current) {
@@ -441,11 +440,19 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
*childregs = *regs;
+ /*
+ * Sign extend the edited stack.
+ * Note that thread.pc and thread.pc will stay
+ * 32-bit wide and context switch must take care
+ * of NEFF sign extension.
+ */
if (user_mode(regs)) {
- childregs->regs[15] = usp;
+ childregs->regs[15] = neff_sign_extend(usp);
p->thread.uregs = childregs;
} else {
- childregs->regs[15] = (unsigned long)task_stack_page(p) + THREAD_SIZE;
+ childregs->regs[15] =
+ neff_sign_extend((unsigned long)task_stack_page(p) +
+ THREAD_SIZE);
}
childregs->regs[9] = 0; /* Set return value for child */
@@ -454,17 +461,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
p->thread.sp = (unsigned long) childregs;
p->thread.pc = (unsigned long) ret_from_fork;
- /*
- * Sign extend the edited stack.
- * Note that thread.pc and thread.pc will stay
- * 32-bit wide and context switch must take care
- * of NEFF sign extension.
- */
-
- se = childregs->regs[15];
- se = (se & NEFF_SIGN) ? (se | NEFF_MASK) : se;
- childregs->regs[15] = se;
-
return 0;
}
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 0663a0ee6021..026fd1cfe17d 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -561,13 +561,11 @@ static int setup_frame(int sig, struct k_sigaction *ka,
/* Set up to return from userspace. If provided, use a stub
already in userspace. */
if (ka->sa.sa_flags & SA_RESTORER) {
- DEREF_REG_PR = (unsigned long) ka->sa.sa_restorer | 0x1;
-
/*
* On SH5 all edited pointers are subject to NEFF
*/
- DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
- (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+ DEREF_REG_PR = neff_sign_extend((unsigned long)
+ ka->sa.sa_restorer | 0x1);
} else {
/*
* Different approach on SH5.
@@ -580,9 +578,8 @@ static int setup_frame(int sig, struct k_sigaction *ka,
* . being code, linker turns ShMedia bit on, always
* dereference index -1.
*/
- DEREF_REG_PR = (unsigned long) frame->retcode | 0x01;
- DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
- (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+ DEREF_REG_PR = neff_sign_extend((unsigned long)
+ frame->retcode | 0x01);
if (__copy_to_user(frame->retcode,
(void *)((unsigned long)sa_default_restorer & (~1)), 16) != 0)
@@ -596,9 +593,7 @@ static int setup_frame(int sig, struct k_sigaction *ka,
* Set up registers for signal handler.
* All edited pointers are subject to NEFF.
*/
- regs->regs[REG_SP] = (unsigned long) frame;
- regs->regs[REG_SP] = (regs->regs[REG_SP] & NEFF_SIGN) ?
- (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP];
+ regs->regs[REG_SP] = neff_sign_extend((unsigned long)frame);
regs->regs[REG_ARG1] = signal; /* Arg for signal handler */
/* FIXME:
@@ -613,8 +608,7 @@ static int setup_frame(int sig, struct k_sigaction *ka,
regs->regs[REG_ARG2] = (unsigned long long)(unsigned long)(signed long)&frame->sc;
regs->regs[REG_ARG3] = (unsigned long long)(unsigned long)(signed long)&frame->sc;
- regs->pc = (unsigned long) ka->sa.sa_handler;
- regs->pc = (regs->pc & NEFF_SIGN) ? (regs->pc | NEFF_MASK) : regs->pc;
+ regs->pc = neff_sign_extend((unsigned long)ka->sa.sa_handler);
set_fs(USER_DS);
@@ -676,13 +670,11 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* Set up to return from userspace. If provided, use a stub
already in userspace. */
if (ka->sa.sa_flags & SA_RESTORER) {
- DEREF_REG_PR = (unsigned long) ka->sa.sa_restorer | 0x1;
-
/*
* On SH5 all edited pointers are subject to NEFF
*/
- DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
- (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+ DEREF_REG_PR = neff_sign_extend((unsigned long)
+ ka->sa.sa_restorer | 0x1);
} else {
/*
* Different approach on SH5.
@@ -695,15 +687,14 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
* . being code, linker turns ShMedia bit on, always
* dereference index -1.
*/
-
- DEREF_REG_PR = (unsigned long) frame->retcode | 0x01;
- DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
- (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+ DEREF_REG_PR = neff_sign_extend((unsigned long)
+ frame->retcode | 0x01);
if (__copy_to_user(frame->retcode,
(void *)((unsigned long)sa_default_rt_restorer & (~1)), 16) != 0)
goto give_sigsegv;
+ /* Cohere the trampoline with the I-cache. */
flush_icache_range(DEREF_REG_PR-1, DEREF_REG_PR-1+15);
}
@@ -711,14 +702,11 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
* Set up registers for signal handler.
* All edited pointers are subject to NEFF.
*/
- regs->regs[REG_SP] = (unsigned long) frame;
- regs->regs[REG_SP] = (regs->regs[REG_SP] & NEFF_SIGN) ?
- (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP];
+ regs->regs[REG_SP] = neff_sign_extend((unsigned long)frame);
regs->regs[REG_ARG1] = signal; /* Arg for signal handler */
regs->regs[REG_ARG2] = (unsigned long long)(unsigned long)(signed long)&frame->info;
regs->regs[REG_ARG3] = (unsigned long long)(unsigned long)(signed long)&frame->uc.uc_mcontext;
- regs->pc = (unsigned long) ka->sa.sa_handler;
- regs->pc = (regs->pc & NEFF_SIGN) ? (regs->pc | NEFF_MASK) : regs->pc;
+ regs->pc = neff_sign_extend((unsigned long)ka->sa.sa_handler);
set_fs(USER_DS);
diff --git a/arch/sh/mm/fault_64.c b/arch/sh/mm/fault_64.c
index bd63b961b2a9..2b356cec2489 100644
--- a/arch/sh/mm/fault_64.c
+++ b/arch/sh/mm/fault_64.c
@@ -56,16 +56,7 @@ inline void __do_tlb_refill(unsigned long address,
/*
* Set PTEH register
*/
- pteh = address & MMU_VPN_MASK;
-
- /* Sign extend based on neff. */
-#if (NEFF == 32)
- /* Faster sign extension */
- pteh = (unsigned long long)(signed long long)(signed long)pteh;
-#else
- /* General case */
- pteh = (pteh & NEFF_SIGN) ? (pteh | NEFF_MASK) : pteh;
-#endif
+ pteh = neff_sign_extend(address & MMU_VPN_MASK);
/* Set the ASID. */
pteh |= get_asid() << PTEH_ASID_SHIFT;
diff --git a/arch/sh/mm/tlb-sh5.c b/arch/sh/mm/tlb-sh5.c
index dae131243bcc..fdb64e41ec50 100644
--- a/arch/sh/mm/tlb-sh5.c
+++ b/arch/sh/mm/tlb-sh5.c
@@ -117,26 +117,15 @@ int sh64_put_wired_dtlb_entry(unsigned long long entry)
* Load up a virtual<->physical translation for @eaddr<->@paddr in the
* pre-allocated TLB slot @config_addr (see sh64_get_wired_dtlb_entry).
*/
-inline void sh64_setup_tlb_slot(unsigned long long config_addr,
- unsigned long eaddr,
- unsigned long asid,
- unsigned long paddr)
+void sh64_setup_tlb_slot(unsigned long long config_addr, unsigned long eaddr,
+ unsigned long asid, unsigned long paddr)
{
unsigned long long pteh, ptel;
- /* Sign extension */
-#if (NEFF == 32)
- pteh = (unsigned long long)(signed long long)(signed long) eaddr;
-#else
-#error "Can't sign extend more than 32 bits yet"
-#endif
+ pteh = neff_sign_extend(eaddr);
pteh &= PAGE_MASK;
pteh |= (asid << PTEH_ASID_SHIFT) | PTEH_VALID;
-#if (NEFF == 32)
- ptel = (unsigned long long)(signed long long)(signed long) paddr;
-#else
-#error "Can't sign extend more than 32 bits yet"
-#endif
+ ptel = neff_sign_extend(paddr);
ptel &= PAGE_MASK;
ptel |= (_PAGE_CACHABLE | _PAGE_READ | _PAGE_WRITE);
@@ -152,5 +141,5 @@ inline void sh64_setup_tlb_slot(unsigned long long config_addr,
*
* Teardown any existing mapping in the TLB slot @config_addr.
*/
-inline void sh64_teardown_tlb_slot(unsigned long long config_addr)
+void sh64_teardown_tlb_slot(unsigned long long config_addr)
__attribute__ ((alias("__flush_tlb_slot")));
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
index f2e44e9ffb75..fa5a95a062d0 100644
--- a/arch/sh/mm/tlbflush_64.c
+++ b/arch/sh/mm/tlbflush_64.c
@@ -337,7 +337,7 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
/*
* Sign-extend based on neff.
*/
- lpage = (page & NEFF_SIGN) ? (page | NEFF_MASK) : page;
+ lpage = neff_sign_extend(page);
match = (asid << PTEH_ASID_SHIFT) | PTEH_VALID;
match |= lpage;
--
GitLab
From d14d751ff9234595639a16e53b3cf0c575946bde Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 4 Aug 2009 17:17:00 +0900
Subject: [PATCH 104/742] sh64: Kill off special clear_page() implementation.
This can use the now generic clear_page() implementation, which is backed
by the sh64 optimized memset routine. This also fixes up the case where
PAGE_SIZE != 4kB.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/sh_ksyms_64.c | 1 -
arch/sh/lib64/Makefile | 2 +-
arch/sh/lib64/clear_page.S | 54 ------------------------------------
3 files changed, 1 insertion(+), 56 deletions(-)
delete mode 100644 arch/sh/lib64/clear_page.S
diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c
index f5bd156ea504..f96c95c07c4b 100644
--- a/arch/sh/kernel/sh_ksyms_64.c
+++ b/arch/sh/kernel/sh_ksyms_64.c
@@ -52,7 +52,6 @@ EXPORT_SYMBOL(__get_user_asm_l);
EXPORT_SYMBOL(__get_user_asm_q);
EXPORT_SYMBOL(__strnlen_user);
EXPORT_SYMBOL(__strncpy_from_user);
-EXPORT_SYMBOL(clear_page);
EXPORT_SYMBOL(__clear_user);
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(__copy_user);
diff --git a/arch/sh/lib64/Makefile b/arch/sh/lib64/Makefile
index 334bb2da36ea..1fee75aa1f98 100644
--- a/arch/sh/lib64/Makefile
+++ b/arch/sh/lib64/Makefile
@@ -11,7 +11,7 @@
# Panic should really be compiled as PIC
lib-y := udelay.o dbg.o panic.o memcpy.o memset.o \
- copy_user_memcpy.o copy_page.o clear_page.o strcpy.o strlen.o
+ copy_user_memcpy.o copy_page.o strcpy.o strlen.o
# Extracted from libgcc
lib-y += udivsi3.o udivdi3.o sdivsi3.o
diff --git a/arch/sh/lib64/clear_page.S b/arch/sh/lib64/clear_page.S
deleted file mode 100644
index 007ab48ecc1c..000000000000
--- a/arch/sh/lib64/clear_page.S
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- Copyright 2003 Richard Curnow, SuperH (UK) Ltd.
-
- This file is subject to the terms and conditions of the GNU General Public
- License. See the file "COPYING" in the main directory of this archive
- for more details.
-
- Tight version of memset for the case of just clearing a page. It turns out
- that having the alloco's spaced out slightly due to the increment/branch
- pair causes them to contend less for access to the cache. Similarly,
- keeping the stores apart from the allocos causes less contention. => Do two
- separate loops. Do multiple stores per loop to amortise the
- increment/branch cost a little.
-
- Parameters:
- r2 : source effective address (start of page)
-
- Always clears 4096 bytes.
-
- Note : alloco guarded by synco to avoid TAKum03020 erratum
-
-*/
-
- .section .text..SHmedia32,"ax"
- .little
-
- .balign 8
- .global clear_page
-clear_page:
- pta/l 1f, tr1
- pta/l 2f, tr2
- ptabs/l r18, tr0
-
- movi 4096, r7
- add r2, r7, r7
- add r2, r63, r6
-1:
- alloco r6, 0
- synco ! TAKum03020
- addi r6, 32, r6
- bgt/l r7, r6, tr1
-
- add r2, r63, r6
-2:
- st.q r6, 0, r63
- st.q r6, 8, r63
- st.q r6, 16, r63
- st.q r6, 24, r63
- addi r6, 32, r6
- bgt/l r7, r6, tr2
-
- blink tr0, r63
-
-
--
GitLab
From 817425275271f2514f0dc6952182aa057ce80973 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 4 Aug 2009 18:06:01 +0900
Subject: [PATCH 105/742] sh: Split out SH-4 __flush_xxx_region() ops.
This splits out the SH-4 __flush_xxx_region() functions and defines them
as weak symbols. This allows us to provide optimized versions without
having to ifdef cache-sh4.c to death.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/Makefile_32 | 2 +-
arch/sh/mm/cache-sh4.c | 60 ----------------------------------------
arch/sh/mm/flush-sh4.c | 63 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 64 insertions(+), 61 deletions(-)
create mode 100644 arch/sh/mm/flush-sh4.c
diff --git a/arch/sh/mm/Makefile_32 b/arch/sh/mm/Makefile_32
index 62e280734dcb..17b02522214f 100644
--- a/arch/sh/mm/Makefile_32
+++ b/arch/sh/mm/Makefile_32
@@ -8,7 +8,7 @@ ifndef CONFIG_CACHE_OFF
cache-$(CONFIG_CPU_SH2) := cache-sh2.o
cache-$(CONFIG_CPU_SH2A) := cache-sh2a.o
cache-$(CONFIG_CPU_SH3) := cache-sh3.o
-cache-$(CONFIG_CPU_SH4) := cache-sh4.o
+cache-$(CONFIG_CPU_SH4) := cache-sh4.o flush-sh4.o
cache-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
endif
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index c3a09b27f8d5..dfc1d0379479 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -118,66 +118,6 @@ void __init p3_cache_init(void)
emit_cache_params();
}
-/*
- * Write back the dirty D-caches, but not invalidate them.
- *
- * START: Virtual Address (U0, P1, or P3)
- * SIZE: Size of the region.
- */
-void __flush_wback_region(void *start, int size)
-{
- unsigned long v;
- unsigned long begin, end;
-
- begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
- end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
- & ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbwb %0"
- : /* no output */
- : "m" (__m(v)));
- }
-}
-
-/*
- * Write back the dirty D-caches and invalidate them.
- *
- * START: Virtual Address (U0, P1, or P3)
- * SIZE: Size of the region.
- */
-void __flush_purge_region(void *start, int size)
-{
- unsigned long v;
- unsigned long begin, end;
-
- begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
- end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
- & ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbp %0"
- : /* no output */
- : "m" (__m(v)));
- }
-}
-
-/*
- * No write back please
- */
-void __flush_invalidate_region(void *start, int size)
-{
- unsigned long v;
- unsigned long begin, end;
-
- begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
- end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
- & ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbi %0"
- : /* no output */
- : "m" (__m(v)));
- }
-}
-
/*
* Write back the range of D-cache, and purge the I-cache.
*
diff --git a/arch/sh/mm/flush-sh4.c b/arch/sh/mm/flush-sh4.c
new file mode 100644
index 000000000000..e6d918f6ec0b
--- /dev/null
+++ b/arch/sh/mm/flush-sh4.c
@@ -0,0 +1,63 @@
+#include <linux/mm.h>
+#include <asm/mmu_context.h>
+#include <asm/cacheflush.h>
+
+/*
+ * Write back the dirty D-caches, but not invalidate them.
+ *
+ * START: Virtual Address (U0, P1, or P3)
+ * SIZE: Size of the region.
+ */
+void __weak __flush_wback_region(void *start, int size)
+{
+ unsigned long v;
+ unsigned long begin, end;
+
+ begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
+ end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+ & ~(L1_CACHE_BYTES-1);
+ for (v = begin; v < end; v+=L1_CACHE_BYTES) {
+ asm volatile("ocbwb %0"
+ : /* no output */
+ : "m" (__m(v)));
+ }
+}
+
+/*
+ * Write back the dirty D-caches and invalidate them.
+ *
+ * START: Virtual Address (U0, P1, or P3)
+ * SIZE: Size of the region.
+ */
+void __weak __flush_purge_region(void *start, int size)
+{
+ unsigned long v;
+ unsigned long begin, end;
+
+ begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
+ end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+ & ~(L1_CACHE_BYTES-1);
+ for (v = begin; v < end; v+=L1_CACHE_BYTES) {
+ asm volatile("ocbp %0"
+ : /* no output */
+ : "m" (__m(v)));
+ }
+}
+
+/*
+ * No write back please
+ */
+void __weak __flush_invalidate_region(void *start, int size)
+{
+ unsigned long v;
+ unsigned long begin, end;
+
+ begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
+ end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+ & ~(L1_CACHE_BYTES-1);
+ for (v = begin; v < end; v+=L1_CACHE_BYTES) {
+ asm volatile("ocbi %0"
+ : /* no output */
+ : "m" (__m(v)));
+ }
+}
--
GitLab
From 0837f52463583f76670ab2350e0f1541cb0351f5 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 4 Aug 2009 18:09:54 +0900
Subject: [PATCH 106/742] sh: Partially unroll the SH-4 __flush_xxx_region()
flushers.
This does a bit of unrolling for the SH-4 region flushers.
Based on an earlier patch by SUGIOKA Toshinobu.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/flush-sh4.c | 104 ++++++++++++++++++++++++++++++++---------
1 file changed, 83 insertions(+), 21 deletions(-)
diff --git a/arch/sh/mm/flush-sh4.c b/arch/sh/mm/flush-sh4.c
index e6d918f6ec0b..edefc53891a8 100644
--- a/arch/sh/mm/flush-sh4.c
+++ b/arch/sh/mm/flush-sh4.c
@@ -10,16 +10,37 @@
*/
void __weak __flush_wback_region(void *start, int size)
{
- unsigned long v;
- unsigned long begin, end;
+ unsigned long v, cnt, end;
- begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
+ v = (unsigned long)start & ~(L1_CACHE_BYTES-1);
end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbwb %0"
- : /* no output */
- : "m" (__m(v)));
+ cnt = (end - v) / L1_CACHE_BYTES;
+
+ while (cnt >= 8) {
+ asm volatile("ocbwb @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbwb @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbwb @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbwb @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbwb @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbwb @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbwb @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbwb @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ cnt -= 8;
+ }
+
+ while (cnt) {
+ asm volatile("ocbwb @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ cnt--;
}
}
@@ -31,16 +52,36 @@ void __weak __flush_wback_region(void *start, int size)
*/
void __weak __flush_purge_region(void *start, int size)
{
- unsigned long v;
- unsigned long begin, end;
+ unsigned long v, cnt, end;
- begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
+ v = (unsigned long)start & ~(L1_CACHE_BYTES-1);
end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbp %0"
- : /* no output */
- : "m" (__m(v)));
+ cnt = (end - v) / L1_CACHE_BYTES;
+
+ while (cnt >= 8) {
+ asm volatile("ocbp @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbp @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbp @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbp @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbp @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbp @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbp @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbp @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ cnt -= 8;
+ }
+ while (cnt) {
+ asm volatile("ocbp @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ cnt--;
}
}
@@ -49,15 +90,36 @@ void __weak __flush_purge_region(void *start, int size)
*/
void __weak __flush_invalidate_region(void *start, int size)
{
- unsigned long v;
- unsigned long begin, end;
+ unsigned long v, cnt, end;
- begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);
+ v = (unsigned long)start & ~(L1_CACHE_BYTES-1);
end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
- for (v = begin; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbi %0"
- : /* no output */
- : "m" (__m(v)));
+ cnt = (end - v) / L1_CACHE_BYTES;
+
+ while (cnt >= 8) {
+ asm volatile("ocbi @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbi @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbi @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbi @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbi @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbi @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbi @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ asm volatile("ocbi @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ cnt -= 8;
+ }
+
+ while (cnt) {
+ asm volatile("ocbi @%0" : : "r" (v));
+ v += L1_CACHE_BYTES;
+ cnt--;
}
}
--
GitLab
From 97fd9ed48ce2b807edc363bef3e817aeeb5cd5e6 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Tue, 21 Jul 2009 20:25:05 +0200
Subject: [PATCH 107/742] timers: Cache __next_timer_interrupt result
Each time a cpu goes to sleep on a NOHZ=y system the timer
wheel is searched for the next timer interrupt. It can take
quite a few cycles to find the next pending timer.
This patch adds a field to tvec_base that caches the result of
__next_timer_interrupt.
The hit ratio is around 80% on my thinkpad under normal use, on
a server I've seen hit ratios from 5% to 95% dependent on the
workload.
-v2: jiffies wrap fixes
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Venki Pallipadi <venkatesh.pallipadi@intel.com>
LKML-Reference: <20090721202505.7d56a079@skybase>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
kernel/timer.c | 24 +++++++++++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)
diff --git a/kernel/timer.c b/kernel/timer.c
index 0b36b9e5cc8b..5c1e49ec2f1b 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -72,6 +72,7 @@ struct tvec_base {
spinlock_t lock;
struct timer_list *running_timer;
unsigned long timer_jiffies;
+ unsigned long next_timer;
struct tvec_root tv1;
struct tvec tv2;
struct tvec tv3;
@@ -622,6 +623,9 @@ __mod_timer(struct timer_list *timer, unsigned long expires,
if (timer_pending(timer)) {
detach_timer(timer, 0);
+ if (timer->expires == base->next_timer &&
+ !tbase_get_deferrable(timer->base))
+ base->next_timer = base->timer_jiffies;
ret = 1;
} else {
if (pending_only)
@@ -663,6 +667,9 @@ __mod_timer(struct timer_list *timer, unsigned long expires,
}
timer->expires = expires;
+ if (time_before(timer->expires, base->next_timer) &&
+ !tbase_get_deferrable(timer->base))
+ base->next_timer = timer->expires;
internal_add_timer(base, timer);
out_unlock:
@@ -781,6 +788,9 @@ void add_timer_on(struct timer_list *timer, int cpu)
spin_lock_irqsave(&base->lock, flags);
timer_set_base(timer, base);
debug_timer_activate(timer);
+ if (time_before(timer->expires, base->next_timer) &&
+ !tbase_get_deferrable(timer->base))
+ base->next_timer = timer->expires;
internal_add_timer(base, timer);
/*
* Check whether the other CPU is idle and needs to be
@@ -817,6 +827,9 @@ int del_timer(struct timer_list *timer)
base = lock_timer_base(timer, &flags);
if (timer_pending(timer)) {
detach_timer(timer, 1);
+ if (timer->expires == base->next_timer &&
+ !tbase_get_deferrable(timer->base))
+ base->next_timer = base->timer_jiffies;
ret = 1;
}
spin_unlock_irqrestore(&base->lock, flags);
@@ -850,6 +863,9 @@ int try_to_del_timer_sync(struct timer_list *timer)
ret = 0;
if (timer_pending(timer)) {
detach_timer(timer, 1);
+ if (timer->expires == base->next_timer &&
+ !tbase_get_deferrable(timer->base))
+ base->next_timer = base->timer_jiffies;
ret = 1;
}
out:
@@ -1134,7 +1150,9 @@ unsigned long get_next_timer_interrupt(unsigned long now)
unsigned long expires;
spin_lock(&base->lock);
- expires = __next_timer_interrupt(base);
+ if (time_before_eq(base->next_timer, base->timer_jiffies))
+ base->next_timer = __next_timer_interrupt(base);
+ expires = base->next_timer;
spin_unlock(&base->lock);
if (time_before_eq(expires, now))
@@ -1523,6 +1541,7 @@ static int __cpuinit init_timers_cpu(int cpu)
INIT_LIST_HEAD(base->tv1.vec + j);
base->timer_jiffies = jiffies;
+ base->next_timer = base->timer_jiffies;
return 0;
}
@@ -1535,6 +1554,9 @@ static void migrate_timer_list(struct tvec_base *new_base, struct list_head *hea
timer = list_first_entry(head, struct timer_list, entry);
detach_timer(timer, 0);
timer_set_base(timer, new_base);
+ if (time_before(timer->expires, new_base->next_timer) &&
+ !tbase_get_deferrable(timer->base))
+ new_base->next_timer = timer->expires;
internal_add_timer(new_base, timer);
}
}
--
GitLab
From c1155e34998bc07937cdf0c9db16b6902633a255 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Tue, 4 Aug 2009 16:55:29 +0200
Subject: [PATCH 108/742] sh: convert to asm-generic/hardirq.h
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/hardirq.h | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/arch/sh/include/asm/hardirq.h b/arch/sh/include/asm/hardirq.h
index 715ee237fc77..a5be4afa790b 100644
--- a/arch/sh/include/asm/hardirq.h
+++ b/arch/sh/include/asm/hardirq.h
@@ -1,16 +1,9 @@
#ifndef __ASM_SH_HARDIRQ_H
#define __ASM_SH_HARDIRQ_H
-#include <linux/threads.h>
-#include <linux/irq.h>
-
-/* entry.S is sensitive to the offsets of these fields */
-typedef struct {
- unsigned int __softirq_pending;
-} ____cacheline_aligned irq_cpustat_t;
-
-#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
-
extern void ack_bad_irq(unsigned int irq);
+#define ack_bad_irq ack_bad_irq
+
+#include <asm-generic/hardirq.h>
#endif /* __ASM_SH_HARDIRQ_H */
--
GitLab
From 909f10de5de81668e4d0a401f3cb5ca6b8a3d20d Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 6 Aug 2009 14:28:12 +0000
Subject: [PATCH 109/742] sh: LCDC SYS bus access wait fix
Update the SuperH Mobile LCDC driver to wait for SYS bus to
become idle after reading or writing. This is needed by the
kfr2r09 board, but also fixes potential problems on other
boards making use of the LCDC in a SYS configuration.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/video/sh_mobile_lcdcfb.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 98fb82f11611..d1eb9656ca55 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -154,6 +154,7 @@ static void lcdc_sys_write_index(void *handle, unsigned long data)
lcdc_write(ch->lcdc, _LDDWD0R, data | 0x10000000);
lcdc_wait_bit(ch->lcdc, _LDSR, 2, 0);
lcdc_write(ch->lcdc, _LDDWAR, 1 | (lcdc_chan_is_sublcd(ch) ? 2 : 0));
+ lcdc_wait_bit(ch->lcdc, _LDSR, 2, 0);
}
static void lcdc_sys_write_data(void *handle, unsigned long data)
@@ -163,6 +164,7 @@ static void lcdc_sys_write_data(void *handle, unsigned long data)
lcdc_write(ch->lcdc, _LDDWD0R, data | 0x11000000);
lcdc_wait_bit(ch->lcdc, _LDSR, 2, 0);
lcdc_write(ch->lcdc, _LDDWAR, 1 | (lcdc_chan_is_sublcd(ch) ? 2 : 0));
+ lcdc_wait_bit(ch->lcdc, _LDSR, 2, 0);
}
static unsigned long lcdc_sys_read_data(void *handle)
@@ -173,6 +175,7 @@ static unsigned long lcdc_sys_read_data(void *handle)
lcdc_wait_bit(ch->lcdc, _LDSR, 2, 0);
lcdc_write(ch->lcdc, _LDDRAR, 1 | (lcdc_chan_is_sublcd(ch) ? 2 : 0));
udelay(1);
+ lcdc_wait_bit(ch->lcdc, _LDSR, 2, 0);
return lcdc_read(ch->lcdc, _LDDRDR) & 0xffff;
}
--
GitLab
From ec56b66fed526e3b7dd58dba8945c405448f48d1 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 6 Aug 2009 14:34:38 +0000
Subject: [PATCH 110/742] sh: 18-bit SYS panel fix for SuperH Mobile LCDC
Fix the SuperH Mobile LCDC driver to make use of the full
18-bit DRD field in the LDDRDR register. Without this patch
only 16-bit register access is possible. Needed by 18-bit
SYS panels such as the one used on kfr2r09.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/video/sh_mobile_lcdcfb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index d1eb9656ca55..cff406de3d15 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -177,7 +177,7 @@ static unsigned long lcdc_sys_read_data(void *handle)
udelay(1);
lcdc_wait_bit(ch->lcdc, _LDSR, 2, 0);
- return lcdc_read(ch->lcdc, _LDDRDR) & 0xffff;
+ return lcdc_read(ch->lcdc, _LDDRDR) & 0x3ffff;
}
struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = {
--
GitLab
From 9f26e659d8caf5820c51b9c695f0a313e636b99c Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 6 Aug 2009 14:51:30 +0000
Subject: [PATCH 111/742] sh: kfr2r09 board support - LCDC panel
This patch adds support for the WQVGA LCD display used by
the KFR2R09 board. The LCD module is a TX07D34VM0AAA made
by Hitachi, and this module is made up by a R61517 chip
together with a 240x400 pixel display. The screen is
attached to the SuperH Mobile LCDC using a 18-bit SYS bus.
The register settings used by the SYS panel setup code are
based on an out-of-tree driver which apart from duplicating
all LCDC driver code and writing to non-existing hardware
registers also never was posted for upstream merge.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-kfr2r09/Makefile | 1 +
arch/sh/boards/mach-kfr2r09/lcd_wqvga.c | 332 ++++++++++++++++++++
arch/sh/boards/mach-kfr2r09/setup.c | 94 ++++++
arch/sh/include/mach-kfr2r09/mach/kfr2r09.h | 21 ++
4 files changed, 448 insertions(+)
create mode 100644 arch/sh/boards/mach-kfr2r09/lcd_wqvga.c
create mode 100644 arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
diff --git a/arch/sh/boards/mach-kfr2r09/Makefile b/arch/sh/boards/mach-kfr2r09/Makefile
index 77037567633b..5d5867826e3b 100644
--- a/arch/sh/boards/mach-kfr2r09/Makefile
+++ b/arch/sh/boards/mach-kfr2r09/Makefile
@@ -1 +1,2 @@
obj-y := setup.o
+obj-$(CONFIG_FB_SH_MOBILE_LCDC) += lcd_wqvga.o
diff --git a/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c b/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c
new file mode 100644
index 000000000000..8ccb1cc8b589
--- /dev/null
+++ b/arch/sh/boards/mach-kfr2r09/lcd_wqvga.c
@@ -0,0 +1,332 @@
+/*
+ * KFR2R09 LCD panel support
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * Register settings based on the out-of-tree t33fb.c driver
+ * Copyright (C) 2008 Lineo Solutions, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <video/sh_mobile_lcdc.h>
+#include <mach/kfr2r09.h>
+#include <cpu/sh7724.h>
+
+/* The on-board LCD module is a Hitachi TX07D34VM0AAA. This module is made
+ * up of a 240x400 LCD hooked up to a R61517 driver IC. The driver IC is
+ * communicating with the main port of the LCDC using an 18-bit SYS interface.
+ *
+ * The device code for this LCD module is 0x01221517.
+ */
+
+static const unsigned char data_frame_if[] = {
+ 0x02, /* WEMODE: 1=cont, 0=one-shot */
+ 0x00, 0x00,
+ 0x00, /* EPF, DFM */
+ 0x02, /* RIM[1] : 1 (18bpp) */
+};
+
+static const unsigned char data_panel[] = {
+ 0x0b,
+ 0x63, /* 400 lines */
+ 0x04, 0x00, 0x00, 0x04, 0x11, 0x00, 0x00,
+};
+
+static const unsigned char data_timing[] = {
+ 0x00, 0x00, 0x13, 0x08, 0x08,
+};
+
+static const unsigned char data_timing_src[] = {
+ 0x11, 0x01, 0x00, 0x01,
+};
+
+static const unsigned char data_gamma[] = {
+ 0x01, 0x02, 0x08, 0x23, 0x03, 0x0c, 0x00, 0x06, 0x00, 0x00,
+ 0x01, 0x00, 0x0c, 0x23, 0x03, 0x08, 0x02, 0x06, 0x00, 0x00,
+};
+
+static const unsigned char data_power[] = {
+ 0x07, 0xc5, 0xdc, 0x02, 0x33, 0x0a,
+};
+
+static unsigned long read_reg(void *sohandle,
+ struct sh_mobile_lcdc_sys_bus_ops *so)
+{
+ return so->read_data(sohandle);
+}
+
+static void write_reg(void *sohandle,
+ struct sh_mobile_lcdc_sys_bus_ops *so,
+ int i, unsigned long v)
+{
+ if (i)
+ so->write_data(sohandle, v); /* PTH4/LCDRS High [param, 17:0] */
+ else
+ so->write_index(sohandle, v); /* PTH4/LCDRS Low [cmd, 7:0] */
+}
+
+static void write_data(void *sohandle,
+ struct sh_mobile_lcdc_sys_bus_ops *so,
+ unsigned char const *data, int no_data)
+{
+ int i;
+
+ for (i = 0; i < no_data; i++)
+ write_reg(sohandle, so, 1, data[i]);
+}
+
+static unsigned long read_device_code(void *sohandle,
+ struct sh_mobile_lcdc_sys_bus_ops *so)
+{
+ unsigned long device_code;
+
+ /* access protect OFF */
+ write_reg(sohandle, so, 0, 0xb0);
+ write_reg(sohandle, so, 1, 0x00);
+
+ /* deep standby OFF */
+ write_reg(sohandle, so, 0, 0xb1);
+ write_reg(sohandle, so, 1, 0x00);
+
+ /* device code command */
+ write_reg(sohandle, so, 0, 0xbf);
+ mdelay(50);
+
+ /* dummy read */
+ read_reg(sohandle, so);
+
+ /* read device code */
+ device_code = ((read_reg(sohandle, so) & 0xff) << 24);
+ device_code |= ((read_reg(sohandle, so) & 0xff) << 16);
+ device_code |= ((read_reg(sohandle, so) & 0xff) << 8);
+ device_code |= (read_reg(sohandle, so) & 0xff);
+
+ return device_code;
+}
+
+static void write_memory_start(void *sohandle,
+ struct sh_mobile_lcdc_sys_bus_ops *so)
+{
+ write_reg(sohandle, so, 0, 0x2c);
+}
+
+static void clear_memory(void *sohandle,
+ struct sh_mobile_lcdc_sys_bus_ops *so)
+{
+ int i;
+
+ /* write start */
+ write_memory_start(sohandle, so);
+
+ /* paint it black */
+ for (i = 0; i < (240 * 400); i++)
+ write_reg(sohandle, so, 1, 0x00);
+}
+
+static void display_on(void *sohandle,
+ struct sh_mobile_lcdc_sys_bus_ops *so)
+{
+ /* access protect off */
+ write_reg(sohandle, so, 0, 0xb0);
+ write_reg(sohandle, so, 1, 0x00);
+
+ /* exit deep standby mode */
+ write_reg(sohandle, so, 0, 0xb1);
+ write_reg(sohandle, so, 1, 0x00);
+
+ /* frame memory I/F */
+ write_reg(sohandle, so, 0, 0xb3);
+ write_data(sohandle, so, data_frame_if, ARRAY_SIZE(data_frame_if));
+
+ /* display mode and frame memory write mode */
+ write_reg(sohandle, so, 0, 0xb4);
+ write_reg(sohandle, so, 1, 0x00); /* DBI, internal clock */
+
+ /* panel */
+ write_reg(sohandle, so, 0, 0xc0);
+ write_data(sohandle, so, data_panel, ARRAY_SIZE(data_panel));
+
+ /* timing (normal) */
+ write_reg(sohandle, so, 0, 0xc1);
+ write_data(sohandle, so, data_timing, ARRAY_SIZE(data_timing));
+
+ /* timing (partial) */
+ write_reg(sohandle, so, 0, 0xc2);
+ write_data(sohandle, so, data_timing, ARRAY_SIZE(data_timing));
+
+ /* timing (idle) */
+ write_reg(sohandle, so, 0, 0xc3);
+ write_data(sohandle, so, data_timing, ARRAY_SIZE(data_timing));
+
+ /* timing (source/VCOM/gate driving) */
+ write_reg(sohandle, so, 0, 0xc4);
+ write_data(sohandle, so, data_timing_src, ARRAY_SIZE(data_timing_src));
+
+ /* gamma (red) */
+ write_reg(sohandle, so, 0, 0xc8);
+ write_data(sohandle, so, data_gamma, ARRAY_SIZE(data_gamma));
+
+ /* gamma (green) */
+ write_reg(sohandle, so, 0, 0xc9);
+ write_data(sohandle, so, data_gamma, ARRAY_SIZE(data_gamma));
+
+ /* gamma (blue) */
+ write_reg(sohandle, so, 0, 0xca);
+ write_data(sohandle, so, data_gamma, ARRAY_SIZE(data_gamma));
+
+ /* power (common) */
+ write_reg(sohandle, so, 0, 0xd0);
+ write_data(sohandle, so, data_power, ARRAY_SIZE(data_power));
+
+ /* VCOM */
+ write_reg(sohandle, so, 0, 0xd1);
+ write_reg(sohandle, so, 1, 0x00);
+ write_reg(sohandle, so, 1, 0x0f);
+ write_reg(sohandle, so, 1, 0x02);
+
+ /* power (normal) */
+ write_reg(sohandle, so, 0, 0xd2);
+ write_reg(sohandle, so, 1, 0x63);
+ write_reg(sohandle, so, 1, 0x24);
+
+ /* power (partial) */
+ write_reg(sohandle, so, 0, 0xd3);
+ write_reg(sohandle, so, 1, 0x63);
+ write_reg(sohandle, so, 1, 0x24);
+
+ /* power (idle) */
+ write_reg(sohandle, so, 0, 0xd4);
+ write_reg(sohandle, so, 1, 0x63);
+ write_reg(sohandle, so, 1, 0x24);
+
+ write_reg(sohandle, so, 0, 0xd8);
+ write_reg(sohandle, so, 1, 0x77);
+ write_reg(sohandle, so, 1, 0x77);
+
+ /* TE signal */
+ write_reg(sohandle, so, 0, 0x35);
+ write_reg(sohandle, so, 1, 0x00);
+
+ /* TE signal line */
+ write_reg(sohandle, so, 0, 0x44);
+ write_reg(sohandle, so, 1, 0x00);
+ write_reg(sohandle, so, 1, 0x00);
+
+ /* column address */
+ write_reg(sohandle, so, 0, 0x2a);
+ write_reg(sohandle, so, 1, 0x00);
+ write_reg(sohandle, so, 1, 0x00);
+ write_reg(sohandle, so, 1, 0x00);
+ write_reg(sohandle, so, 1, 0xef);
+
+ /* page address */
+ write_reg(sohandle, so, 0, 0x2b);
+ write_reg(sohandle, so, 1, 0x00);
+ write_reg(sohandle, so, 1, 0x00);
+ write_reg(sohandle, so, 1, 0x01);
+ write_reg(sohandle, so, 1, 0x8f);
+
+ /* exit sleep mode */
+ write_reg(sohandle, so, 0, 0x11);
+
+ mdelay(120);
+
+ /* clear vram */
+ clear_memory(sohandle, so);
+
+ /* display ON */
+ write_reg(sohandle, so, 0, 0x29);
+ mdelay(1);
+
+ write_memory_start(sohandle, so);
+}
+
+int kfr2r09_lcd_setup(void *board_data, void *sohandle,
+ struct sh_mobile_lcdc_sys_bus_ops *so)
+{
+ /* power on */
+ gpio_set_value(GPIO_PTF4, 0); /* PROTECT/ -> L */
+ gpio_set_value(GPIO_PTE4, 0); /* LCD_RST/ -> L */
+ gpio_set_value(GPIO_PTF4, 1); /* PROTECT/ -> H */
+ udelay(1100);
+ gpio_set_value(GPIO_PTE4, 1); /* LCD_RST/ -> H */
+ udelay(10);
+ gpio_set_value(GPIO_PTF4, 0); /* PROTECT/ -> L */
+ mdelay(20);
+
+ if (read_device_code(sohandle, so) != 0x01221517)
+ return -ENODEV;
+
+ pr_info("KFR2R09 WQVGA LCD Module detected.\n");
+
+ display_on(sohandle, so);
+ return 0;
+}
+
+#define CTRL_CKSW 0x10
+#define CTRL_C10 0x20
+#define CTRL_CPSW 0x80
+#define MAIN_MLED4 0x40
+#define MAIN_MSW 0x80
+
+static int kfr2r09_lcd_backlight(int on)
+{
+ struct i2c_adapter *a;
+ struct i2c_msg msg;
+ unsigned char buf[2];
+ int ret;
+
+ a = i2c_get_adapter(0);
+ if (!a)
+ return -ENODEV;
+
+ buf[0] = 0x00;
+ if (on)
+ buf[1] = CTRL_CPSW | CTRL_C10 | CTRL_CKSW;
+ else
+ buf[1] = 0;
+
+ msg.addr = 0x75;
+ msg.buf = buf;
+ msg.len = 2;
+ msg.flags = 0;
+ ret = i2c_transfer(a, &msg, 1);
+ if (ret != 1)
+ return -ENODEV;
+
+ buf[0] = 0x01;
+ if (on)
+ buf[1] = MAIN_MSW | MAIN_MLED4 | 0x0c;
+ else
+ buf[1] = 0;
+
+ msg.addr = 0x75;
+ msg.buf = buf;
+ msg.len = 2;
+ msg.flags = 0;
+ ret = i2c_transfer(a, &msg, 1);
+ if (ret != 1)
+ return -ENODEV;
+
+ return 0;
+}
+
+void kfr2r09_lcd_on(void *board_data)
+{
+ kfr2r09_lcd_backlight(1);
+}
+
+void kfr2r09_lcd_off(void *board_data)
+{
+ kfr2r09_lcd_backlight(0);
+}
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index bf5f8f8d3b5f..135508040907 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -15,11 +15,13 @@
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/input.h>
+#include <video/sh_mobile_lcdc.h>
#include <asm/clock.h>
#include <asm/machvec.h>
#include <asm/io.h>
#include <asm/sh_keysc.h>
#include <cpu/sh7724.h>
+#include <mach/kfr2r09.h>
static struct mtd_partition kfr2r09_nor_flash_partitions[] =
{
@@ -97,9 +99,70 @@ static struct platform_device kfr2r09_sh_keysc_device = {
},
};
+static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
+ .clock_source = LCDC_CLK_BUS,
+ .ch[0] = {
+ .chan = LCDC_CHAN_MAINLCD,
+ .bpp = 16,
+ .interface_type = SYS18,
+ .clock_divider = 6,
+ .flags = LCDC_FLAGS_DWPOL,
+ .lcd_cfg = {
+ .name = "TX07D34VM0AAA",
+ .xres = 240,
+ .yres = 400,
+ .left_margin = 0,
+ .right_margin = 16,
+ .hsync_len = 8,
+ .upper_margin = 0,
+ .lower_margin = 1,
+ .vsync_len = 1,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ },
+ .lcd_size_cfg = {
+ .width = 35,
+ .height = 58,
+ },
+ .board_cfg = {
+ .setup_sys = kfr2r09_lcd_setup,
+ .display_on = kfr2r09_lcd_on,
+ .display_off = kfr2r09_lcd_off,
+ },
+ .sys_bus_cfg = {
+ .ldmt2r = 0x07010904,
+ .ldmt3r = 0x14012914,
+ /* set 1s delay to encourage fsync() */
+ .deferred_io_msec = 1000,
+ },
+ }
+};
+
+static struct resource kfr2r09_sh_lcdc_resources[] = {
+ [0] = {
+ .name = "LCDC",
+ .start = 0xfe940000, /* P4-only space */
+ .end = 0xfe941fff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 106,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device kfr2r09_sh_lcdc_device = {
+ .name = "sh_mobile_lcdc_fb",
+ .num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
+ .resource = kfr2r09_sh_lcdc_resources,
+ .dev = {
+ .platform_data = &kfr2r09_sh_lcdc_info,
+ },
+};
+
static struct platform_device *kfr2r09_devices[] __initdata = {
&kfr2r09_nor_flash_device,
&kfr2r09_sh_keysc_device,
+ &kfr2r09_sh_lcdc_device,
};
#define BSC_CS0BCR 0xfec10004
@@ -128,6 +191,37 @@ static int __init kfr2r09_devices_setup(void)
gpio_request(GPIO_FN_KEYIN4, NULL);
gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
+ /* setup LCDC pins for SYS panel */
+ gpio_request(GPIO_FN_LCDD17, NULL);
+ gpio_request(GPIO_FN_LCDD16, NULL);
+ gpio_request(GPIO_FN_LCDD15, NULL);
+ gpio_request(GPIO_FN_LCDD14, NULL);
+ gpio_request(GPIO_FN_LCDD13, NULL);
+ gpio_request(GPIO_FN_LCDD12, NULL);
+ gpio_request(GPIO_FN_LCDD11, NULL);
+ gpio_request(GPIO_FN_LCDD10, NULL);
+ gpio_request(GPIO_FN_LCDD9, NULL);
+ gpio_request(GPIO_FN_LCDD8, NULL);
+ gpio_request(GPIO_FN_LCDD7, NULL);
+ gpio_request(GPIO_FN_LCDD6, NULL);
+ gpio_request(GPIO_FN_LCDD5, NULL);
+ gpio_request(GPIO_FN_LCDD4, NULL);
+ gpio_request(GPIO_FN_LCDD3, NULL);
+ gpio_request(GPIO_FN_LCDD2, NULL);
+ gpio_request(GPIO_FN_LCDD1, NULL);
+ gpio_request(GPIO_FN_LCDD0, NULL);
+ gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
+ gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
+ gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
+ gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
+ gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
+ gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
+ gpio_direction_output(GPIO_PTE4, 1);
+ gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
+ gpio_direction_output(GPIO_PTF4, 1);
+ gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
+ gpio_direction_output(GPIO_PTU0, 1);
+
return platform_add_devices(kfr2r09_devices,
ARRAY_SIZE(kfr2r09_devices));
}
diff --git a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
new file mode 100644
index 000000000000..174374e19547
--- /dev/null
+++ b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h
@@ -0,0 +1,21 @@
+#ifndef __ASM_SH_KFR2R09_H
+#define __ASM_SH_KFR2R09_H
+
+#include <video/sh_mobile_lcdc.h>
+
+#ifdef CONFIG_FB_SH_MOBILE_LCDC
+void kfr2r09_lcd_on(void *board_data);
+void kfr2r09_lcd_off(void *board_data);
+int kfr2r09_lcd_setup(void *board_data, void *sys_ops_handle,
+ struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
+#else
+static inline void kfr2r09_lcd_on(void *board_data) {}
+static inline void kfr2r09_lcd_off(void *board_data) {}
+static inline int kfr2r09_lcd_setup(void *board_data, void *sys_ops_handle,
+ struct sh_mobile_lcdc_sys_bus_ops *sys_ops)
+{
+ return -ENODEV;
+}
+#endif
+
+#endif /* __ASM_SH_KFR2R09_H */
--
GitLab
From 33893d7aa00057d067527e0d8c210190efade8f1 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 6 Aug 2009 14:58:43 +0000
Subject: [PATCH 112/742] sh: kfr2r09 board support - NAND flash
This patch adds support for the NAND flash chip
attached to CS4 on the KFR2R09 board. The device is
driven by the platform device driver "onenand-flash".
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-kfr2r09/setup.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 135508040907..bdb10c29ef18 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -11,6 +11,7 @@
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/mtd/physmap.h>
+#include <linux/mtd/onenand.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/gpio.h>
@@ -62,6 +63,21 @@ static struct platform_device kfr2r09_nor_flash_device = {
},
};
+static struct resource kfr2r09_nand_flash_resources[] = {
+ [0] = {
+ .name = "NAND Flash",
+ .start = 0x10000000,
+ .end = 0x1001ffff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device kfr2r09_nand_flash_device = {
+ .name = "onenand-flash",
+ .resource = kfr2r09_nand_flash_resources,
+ .num_resources = ARRAY_SIZE(kfr2r09_nand_flash_resources),
+};
+
static struct sh_keysc_info kfr2r09_sh_keysc_info = {
.mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
.scan_timing = 3,
@@ -161,12 +177,15 @@ static struct platform_device kfr2r09_sh_lcdc_device = {
static struct platform_device *kfr2r09_devices[] __initdata = {
&kfr2r09_nor_flash_device,
+ &kfr2r09_nand_flash_device,
&kfr2r09_sh_keysc_device,
&kfr2r09_sh_lcdc_device,
};
#define BSC_CS0BCR 0xfec10004
#define BSC_CS0WCR 0xfec10024
+#define BSC_CS4BCR 0xfec10010
+#define BSC_CS4WCR 0xfec10030
static int __init kfr2r09_devices_setup(void)
{
@@ -178,6 +197,10 @@ static int __init kfr2r09_devices_setup(void)
ctrl_outl(0x36db0400, BSC_CS0BCR);
ctrl_outl(0x00000500, BSC_CS0WCR);
+ /* setup NAND flash at CS4 */
+ ctrl_outl(0x36db0400, BSC_CS4BCR);
+ ctrl_outl(0x00000500, BSC_CS4WCR);
+
/* setup KEYSC pins */
gpio_request(GPIO_FN_KEYOUT0, NULL);
gpio_request(GPIO_FN_KEYOUT1, NULL);
--
GitLab
From 7766e16beec3363516306754c9c51a85747d734d Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 6 Aug 2009 15:03:43 +0000
Subject: [PATCH 113/742] sh: LED9, LED10 and LED11 support for Solution Engine
7724
This patch adds support for LED9, LED10 and LED11 on
the Solution Engine 7724 board. If CONFIG_PM is enabled
then these LEDs are used to show the hardware sleep
mode used by the processor. Useful to debug cpuidle.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-se/7724/setup.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 957ed176ea2c..36a4ca3a9000 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -429,6 +429,32 @@ static int __init devices_setup(void)
/* turn on USB clocks, use external clock */
ctrl_outw((ctrl_inw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
+#ifdef CONFIG_PM
+ /* Let LED9 show STATUS2 */
+ gpio_request(GPIO_FN_STATUS2, NULL);
+
+ /* Lit LED10 show STATUS0 */
+ gpio_request(GPIO_FN_STATUS0, NULL);
+
+ /* Lit LED11 show PDSTATUS */
+ gpio_request(GPIO_FN_PDSTATUS, NULL);
+#else
+ /* Lit LED9 */
+ gpio_request(GPIO_PTJ6, NULL);
+ gpio_direction_output(GPIO_PTJ6, 1);
+ gpio_export(GPIO_PTJ6, 0);
+
+ /* Lit LED10 */
+ gpio_request(GPIO_PTJ5, NULL);
+ gpio_direction_output(GPIO_PTJ5, 1);
+ gpio_export(GPIO_PTJ5, 0);
+
+ /* Lit LED11 */
+ gpio_request(GPIO_PTJ7, NULL);
+ gpio_direction_output(GPIO_PTJ7, 1);
+ gpio_export(GPIO_PTJ7, 0);
+#endif
+
/* enable USB0 port */
ctrl_outw(0x0600, 0xa40501d4);
--
GitLab
From 2d2bcd319a3d1412999cdfc72ad64eec992dc37e Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 7 Aug 2009 03:58:38 +0900
Subject: [PATCH 114/742] sh: fix romImage mach dir usage
This patch moves all the romImage related header files into
the mach/ directory.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boot/romimage/head.S | 2 +-
arch/sh/include/mach-common/{ => mach}/romimage.h | 0
arch/sh/include/mach-kfr2r09/{ => mach}/partner-jet-setup.txt | 0
arch/sh/include/mach-kfr2r09/{ => mach}/romimage.h | 0
4 files changed, 1 insertion(+), 1 deletion(-)
rename arch/sh/include/mach-common/{ => mach}/romimage.h (100%)
rename arch/sh/include/mach-kfr2r09/{ => mach}/partner-jet-setup.txt (100%)
rename arch/sh/include/mach-kfr2r09/{ => mach}/romimage.h (100%)
diff --git a/arch/sh/boot/romimage/head.S b/arch/sh/boot/romimage/head.S
index 97a087bc9c4a..219bc626dd71 100644
--- a/arch/sh/boot/romimage/head.S
+++ b/arch/sh/boot/romimage/head.S
@@ -7,4 +7,4 @@
.text
.global romstart
romstart:
-#include <romimage.h>
+#include <mach/romimage.h>
diff --git a/arch/sh/include/mach-common/romimage.h b/arch/sh/include/mach-common/mach/romimage.h
similarity index 100%
rename from arch/sh/include/mach-common/romimage.h
rename to arch/sh/include/mach-common/mach/romimage.h
diff --git a/arch/sh/include/mach-kfr2r09/partner-jet-setup.txt b/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
similarity index 100%
rename from arch/sh/include/mach-kfr2r09/partner-jet-setup.txt
rename to arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
diff --git a/arch/sh/include/mach-kfr2r09/romimage.h b/arch/sh/include/mach-kfr2r09/mach/romimage.h
similarity index 100%
rename from arch/sh/include/mach-kfr2r09/romimage.h
rename to arch/sh/include/mach-kfr2r09/mach/romimage.h
--
GitLab
From b4a757367d36cebddcd332a4024d92f1e87af370 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 6 Aug 2009 15:16:29 +0000
Subject: [PATCH 115/742] sh: clean up Migo-R header file
This patch moves the Migo-R specific header file from
mach-common/ into mach-migor/ and removes unused cruft.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/mach-common/mach/migor.h | 64 ------------------------
arch/sh/include/mach-migor/mach/migor.h | 14 ++++++
2 files changed, 14 insertions(+), 64 deletions(-)
delete mode 100644 arch/sh/include/mach-common/mach/migor.h
create mode 100644 arch/sh/include/mach-migor/mach/migor.h
diff --git a/arch/sh/include/mach-common/mach/migor.h b/arch/sh/include/mach-common/mach/migor.h
deleted file mode 100644
index e451f0229e00..000000000000
--- a/arch/sh/include/mach-common/mach/migor.h
+++ /dev/null
@@ -1,64 +0,0 @@
-#ifndef __ASM_SH_MIGOR_H
-#define __ASM_SH_MIGOR_H
-
-/*
- * linux/include/asm-sh/migor.h
- *
- * Copyright (C) 2008 Renesas Solutions
- *
- * Portions Copyright (C) 2007 Nobuhiro Iwamatsu
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- */
-#include <asm/addrspace.h>
-
-/* GPIO */
-#define PORT_PACR 0xa4050100
-#define PORT_PDCR 0xa4050106
-#define PORT_PECR 0xa4050108
-#define PORT_PHCR 0xa405010e
-#define PORT_PJCR 0xa4050110
-#define PORT_PKCR 0xa4050112
-#define PORT_PLCR 0xa4050114
-#define PORT_PMCR 0xa4050116
-#define PORT_PRCR 0xa405011c
-#define PORT_PTCR 0xa4050140
-#define PORT_PUCR 0xa4050142
-#define PORT_PVCR 0xa4050144
-#define PORT_PWCR 0xa4050146
-#define PORT_PXCR 0xa4050148
-#define PORT_PYCR 0xa405014a
-#define PORT_PZCR 0xa405014c
-#define PORT_PADR 0xa4050120
-#define PORT_PHDR 0xa405012e
-#define PORT_PTDR 0xa4050160
-#define PORT_PWDR 0xa4050166
-
-#define PORT_HIZCRA 0xa4050158
-#define PORT_HIZCRC 0xa405015c
-
-#define PORT_MSELCRB 0xa4050182
-
-#define PORT_PSELA 0xa405014e
-#define PORT_PSELB 0xa4050150
-#define PORT_PSELC 0xa4050152
-#define PORT_PSELD 0xa4050154
-#define PORT_PSELE 0xa4050156
-
-#define PORT_HIZCRA 0xa4050158
-#define PORT_HIZCRB 0xa405015a
-#define PORT_HIZCRC 0xa405015c
-
-#define BSC_CS4BCR 0xfec10010
-#define BSC_CS6ABCR 0xfec1001c
-#define BSC_CS4WCR 0xfec10030
-
-#include <video/sh_mobile_lcdc.h>
-
-int migor_lcd_qvga_setup(void *board_data, void *sys_ops_handle,
- struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
-
-#endif /* __ASM_SH_MIGOR_H */
diff --git a/arch/sh/include/mach-migor/mach/migor.h b/arch/sh/include/mach-migor/mach/migor.h
new file mode 100644
index 000000000000..cee6cb88e020
--- /dev/null
+++ b/arch/sh/include/mach-migor/mach/migor.h
@@ -0,0 +1,14 @@
+#ifndef __ASM_SH_MIGOR_H
+#define __ASM_SH_MIGOR_H
+
+#define PORT_MSELCRB 0xa4050182
+#define BSC_CS4BCR 0xfec10010
+#define BSC_CS6ABCR 0xfec1001c
+#define BSC_CS4WCR 0xfec10030
+
+#include <video/sh_mobile_lcdc.h>
+
+int migor_lcd_qvga_setup(void *board_data, void *sys_ops_handle,
+ struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
+
+#endif /* __ASM_SH_MIGOR_H */
--
GitLab
From c333e073b7bf76dc819a6b4ce6bef88ee5fa5e50 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Mon, 10 Aug 2009 22:47:22 -0400
Subject: [PATCH 116/742] ext4: remove redundant test on unsigned
unsigned i_block cannot be less than 0.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/inode.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index deb14a728791..9a4c929b16dc 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -341,9 +341,7 @@ static int ext4_block_to_path(struct inode *inode,
int n = 0;
int final = 0;
- if (i_block < 0) {
- ext4_warning(inode->i_sb, "ext4_block_to_path", "block < 0");
- } else if (i_block < direct_blocks) {
+ if (i_block < direct_blocks) {
offsets[n++] = i_block;
final = direct_blocks;
} else if ((i_block -= direct_blocks) < indirect_blocks) {
--
GitLab
From b1f485f20eb9b02cc7d2009556287f3939d480cc Mon Sep 17 00:00:00 2001
From: Andreas Dilger <adilger@sun.com>
Date: Mon, 10 Aug 2009 22:51:53 -0400
Subject: [PATCH 117/742] jbd2: round commit timer up to avoid uncommitted
transaction
fix jiffie rounding in jbd commit timer setup code. Rounding down
could cause the timer to be fired before the corresponding transaction
has expired. That transaction can stay not committed forever if no
new transaction is created or expicit sync/umount happens.
Signed-off-by: Alex Zhuravlev (Tomas) <alex.zhuravlev@sun.com>
Signed-off-by: Andreas Dilger <adilger@sun.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/jbd2/transaction.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 6213ac728f30..4516a87ca55c 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -57,7 +57,7 @@ jbd2_get_transaction(journal_t *journal, transaction_t *transaction)
INIT_LIST_HEAD(&transaction->t_private_list);
/* Set up the commit timer for the new transaction. */
- journal->j_commit_timer.expires = round_jiffies(transaction->t_expires);
+ journal->j_commit_timer.expires = round_jiffies_up(transaction->t_expires);
add_timer(&journal->j_commit_timer);
J_ASSERT(journal->j_running_transaction == NULL);
--
GitLab
From 91cc219ad963731191247c5f2db4118be2bc341a Mon Sep 17 00:00:00 2001
From: Peng Tao <bergwolf@gmail.com>
Date: Mon, 10 Aug 2009 23:05:28 -0400
Subject: [PATCH 118/742] ext4: fix journal ref count in move_extent_par_page
move_extent_par_page calls a_ops->write_begin() to increase journal
handler's reference count. However, if either mext_replace_branches()
or ext4_get_block fails, the increased reference count isn't
decreased. This will cause a later attempt to umount of the fs to hang
forever. The patch addresses the issue by calling ext4_journal_stop()
if page is not NULL (which means a_ops->write_end() isn't invoked).
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/move_extent.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index bbf2dd9404dc..5821e0bee917 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -871,6 +871,7 @@ out:
if (PageLocked(page))
unlock_page(page);
page_cache_release(page);
+ ext4_journal_stop(handle);
}
out2:
ext4_journal_stop(handle);
--
GitLab
From 6ba495e9259cd9a0b40ebd6c315143535c92542f Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 18 Sep 2009 13:38:55 -0400
Subject: [PATCH 119/742] ext4: Add configurable run-time mballoc debugging
Allow mballoc debugging to be enabled at run-time instead of just at
compile time.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/Kconfig | 9 ++++++
fs/ext4/mballoc.c | 81 ++++++++++++++++++++++++++++++++++-------------
fs/ext4/mballoc.h | 16 +++++++---
3 files changed, 80 insertions(+), 26 deletions(-)
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index 152304624644..d5c0ea2e8f2d 100644
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -77,3 +77,12 @@ config EXT4_FS_SECURITY
If you are not using a security module that requires using
extended attributes for file security labels, say N.
+
+config EXT4_DEBUG
+ bool "EXT4 debugging support"
+ depends on EXT4_FS
+ help
+ Enables run-time debugging support for the ext4 filesystem.
+
+ If you select Y here, then you will be able to turn on debugging
+ with a command such as "echo 1 > /sys/kernel/debug/ext4/mballoc-debug"
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 68cde598b3bf..d80b300c1779 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -22,6 +22,7 @@
*/
#include "mballoc.h"
+#include <linux/debugfs.h>
#include <trace/events/ext4.h>
/*
@@ -743,7 +744,7 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
char *data;
char *bitmap;
- mb_debug("init page %lu\n", page->index);
+ mb_debug(1, "init page %lu\n", page->index);
inode = page->mapping->host;
sb = inode->i_sb;
@@ -822,7 +823,7 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
set_bitmap_uptodate(bh[i]);
bh[i]->b_end_io = end_buffer_read_sync;
submit_bh(READ, bh[i]);
- mb_debug("read bitmap for group %u\n", first_group + i);
+ mb_debug(1, "read bitmap for group %u\n", first_group + i);
}
/* wait for I/O completion */
@@ -862,7 +863,7 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
if ((first_block + i) & 1) {
/* this is block of buddy */
BUG_ON(incore == NULL);
- mb_debug("put buddy for group %u in page %lu/%x\n",
+ mb_debug(1, "put buddy for group %u in page %lu/%x\n",
group, page->index, i * blocksize);
grinfo = ext4_get_group_info(sb, group);
grinfo->bb_fragments = 0;
@@ -878,7 +879,7 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
} else {
/* this is block of bitmap */
BUG_ON(incore != NULL);
- mb_debug("put bitmap for group %u in page %lu/%x\n",
+ mb_debug(1, "put bitmap for group %u in page %lu/%x\n",
group, page->index, i * blocksize);
/* see comments in ext4_mb_put_pa() */
@@ -922,7 +923,7 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct inode *inode = sbi->s_buddy_cache;
- mb_debug("load group %u\n", group);
+ mb_debug(1, "load group %u\n", group);
blocks_per_page = PAGE_CACHE_SIZE / sb->s_blocksize;
grp = ext4_get_group_info(sb, group);
@@ -1851,7 +1852,7 @@ int ext4_mb_init_group(struct super_block *sb, ext4_group_t group)
struct inode *inode = sbi->s_buddy_cache;
struct page *page = NULL, *bitmap_page = NULL;
- mb_debug("init group %u\n", group);
+ mb_debug(1, "init group %u\n", group);
blocks_per_page = PAGE_CACHE_SIZE / sb->s_blocksize;
this_grp = ext4_get_group_info(sb, group);
/*
@@ -2739,7 +2740,7 @@ static void ext4_mb_cleanup_pa(struct ext4_group_info *grp)
kmem_cache_free(ext4_pspace_cachep, pa);
}
if (count)
- mb_debug("mballoc: %u PAs left\n", count);
+ mb_debug(1, "mballoc: %u PAs left\n", count);
}
@@ -2820,7 +2821,7 @@ static void release_blocks_on_commit(journal_t *journal, transaction_t *txn)
list_for_each_safe(l, ltmp, &txn->t_private_list) {
entry = list_entry(l, struct ext4_free_data, list);
- mb_debug("gonna free %u blocks in group %u (0x%p):",
+ mb_debug(1, "gonna free %u blocks in group %u (0x%p):",
entry->count, entry->group, entry);
err = ext4_mb_load_buddy(sb, entry->group, &e4b);
@@ -2855,9 +2856,43 @@ static void release_blocks_on_commit(journal_t *journal, transaction_t *txn)
ext4_mb_release_desc(&e4b);
}
- mb_debug("freed %u blocks in %u structures\n", count, count2);
+ mb_debug(1, "freed %u blocks in %u structures\n", count, count2);
}
+#ifdef CONFIG_EXT4_DEBUG
+u8 mb_enable_debug __read_mostly;
+
+static struct dentry *debugfs_dir;
+static struct dentry *debugfs_debug;
+
+static void __init ext4_create_debugfs_entry(void)
+{
+ debugfs_dir = debugfs_create_dir("ext4", NULL);
+ if (debugfs_dir)
+ debugfs_debug = debugfs_create_u8("mballoc-debug",
+ S_IRUGO | S_IWUSR,
+ debugfs_dir,
+ &mb_enable_debug);
+}
+
+static void ext4_remove_debugfs_entry(void)
+{
+ debugfs_remove(debugfs_debug);
+ debugfs_remove(debugfs_dir);
+}
+
+#else
+
+static void __init ext4_create_debugfs_entry(void)
+{
+}
+
+static void ext4_remove_debugfs_entry(void)
+{
+}
+
+#endif
+
int __init init_ext4_mballoc(void)
{
ext4_pspace_cachep =
@@ -2885,6 +2920,7 @@ int __init init_ext4_mballoc(void)
kmem_cache_destroy(ext4_ac_cachep);
return -ENOMEM;
}
+ ext4_create_debugfs_entry();
return 0;
}
@@ -2898,6 +2934,7 @@ void exit_ext4_mballoc(void)
kmem_cache_destroy(ext4_pspace_cachep);
kmem_cache_destroy(ext4_ac_cachep);
kmem_cache_destroy(ext4_free_ext_cachep);
+ ext4_remove_debugfs_entry();
}
@@ -3042,7 +3079,7 @@ static void ext4_mb_normalize_group_request(struct ext4_allocation_context *ac)
ac->ac_g_ex.fe_len = EXT4_SB(sb)->s_stripe;
else
ac->ac_g_ex.fe_len = EXT4_SB(sb)->s_mb_group_prealloc;
- mb_debug("#%u: goal %u blocks for locality group\n",
+ mb_debug(1, "#%u: goal %u blocks for locality group\n",
current->pid, ac->ac_g_ex.fe_len);
}
@@ -3232,7 +3269,7 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
ac->ac_flags |= EXT4_MB_HINT_TRY_GOAL;
}
- mb_debug("goal: %u(was %u) blocks at %u\n", (unsigned) size,
+ mb_debug(1, "goal: %u(was %u) blocks at %u\n", (unsigned) size,
(unsigned) orig_size, (unsigned) start);
}
@@ -3281,7 +3318,7 @@ static void ext4_mb_use_inode_pa(struct ext4_allocation_context *ac,
BUG_ON(pa->pa_free < len);
pa->pa_free -= len;
- mb_debug("use %llu/%u from inode pa %p\n", start, len, pa);
+ mb_debug(1, "use %llu/%u from inode pa %p\n", start, len, pa);
}
/*
@@ -3305,7 +3342,7 @@ static void ext4_mb_use_group_pa(struct ext4_allocation_context *ac,
* in on-disk bitmap -- see ext4_mb_release_context()
* Other CPUs are prevented from allocating from this pa by lg_mutex
*/
- mb_debug("use %u/%u from group pa %p\n", pa->pa_lstart-len, len, pa);
+ mb_debug(1, "use %u/%u from group pa %p\n", pa->pa_lstart-len, len, pa);
}
/*
@@ -3484,7 +3521,7 @@ void ext4_mb_generate_from_pa(struct super_block *sb, void *bitmap,
preallocated += len;
count++;
}
- mb_debug("prellocated %u for group %u\n", preallocated, group);
+ mb_debug(1, "prellocated %u for group %u\n", preallocated, group);
}
static void ext4_mb_pa_callback(struct rcu_head *head)
@@ -3619,7 +3656,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
pa->pa_deleted = 0;
pa->pa_type = MB_INODE_PA;
- mb_debug("new inode pa %p: %llu/%u for %u\n", pa,
+ mb_debug(1, "new inode pa %p: %llu/%u for %u\n", pa,
pa->pa_pstart, pa->pa_len, pa->pa_lstart);
trace_ext4_mb_new_inode_pa(ac, pa);
@@ -3679,7 +3716,7 @@ ext4_mb_new_group_pa(struct ext4_allocation_context *ac)
pa->pa_deleted = 0;
pa->pa_type = MB_GROUP_PA;
- mb_debug("new group pa %p: %llu/%u for %u\n", pa,
+ mb_debug(1, "new group pa %p: %llu/%u for %u\n", pa,
pa->pa_pstart, pa->pa_len, pa->pa_lstart);
trace_ext4_mb_new_group_pa(ac, pa);
@@ -3758,7 +3795,7 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
next = mb_find_next_bit(bitmap_bh->b_data, end, bit);
start = group * EXT4_BLOCKS_PER_GROUP(sb) + bit +
le32_to_cpu(sbi->s_es->s_first_data_block);
- mb_debug(" free preallocated %u/%u in group %u\n",
+ mb_debug(1, " free preallocated %u/%u in group %u\n",
(unsigned) start, (unsigned) next - bit,
(unsigned) group);
free += next - bit;
@@ -3849,7 +3886,7 @@ ext4_mb_discard_group_preallocations(struct super_block *sb,
int busy = 0;
int free = 0;
- mb_debug("discard preallocation for group %u\n", group);
+ mb_debug(1, "discard preallocation for group %u\n", group);
if (list_empty(&grp->bb_prealloc_list))
return 0;
@@ -3973,7 +4010,7 @@ void ext4_discard_preallocations(struct inode *inode)
return;
}
- mb_debug("discard preallocation for inode %lu\n", inode->i_ino);
+ mb_debug(1, "discard preallocation for inode %lu\n", inode->i_ino);
trace_ext4_discard_preallocations(inode);
INIT_LIST_HEAD(&list);
@@ -4078,7 +4115,7 @@ static void ext4_mb_return_to_preallocation(struct inode *inode,
{
BUG_ON(!list_empty(&EXT4_I(inode)->i_prealloc_list));
}
-#ifdef MB_DEBUG
+#ifdef CONFIG_EXT4_DEBUG
static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
{
struct super_block *sb = ac->ac_sb;
@@ -4227,7 +4264,7 @@ ext4_mb_initialize_context(struct ext4_allocation_context *ac,
* locality group. this is a policy, actually */
ext4_mb_group_or_file(ac);
- mb_debug("init ac: %u blocks @ %u, goal %u, flags %x, 2^%d, "
+ mb_debug(1, "init ac: %u blocks @ %u, goal %u, flags %x, 2^%d, "
"left: %u/%u, right %u/%u to %swritable\n",
(unsigned) ar->len, (unsigned) ar->logical,
(unsigned) ar->goal, ac->ac_flags, ac->ac_2order,
@@ -4249,7 +4286,7 @@ ext4_mb_discard_lg_preallocations(struct super_block *sb,
struct ext4_prealloc_space *pa, *tmp;
struct ext4_allocation_context *ac;
- mb_debug("discard locality group preallocation\n");
+ mb_debug(1, "discard locality group preallocation\n");
INIT_LIST_HEAD(&discard_list);
ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index c96bb19f58f9..9db890d4d275 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -37,11 +37,19 @@
/*
*/
-#define MB_DEBUG__
-#ifdef MB_DEBUG
-#define mb_debug(fmt, a...) printk(fmt, ##a)
+#ifdef CONFIG_EXT4_DEBUG
+extern u8 mb_enable_debug;
+
+#define mb_debug(n, fmt, a...) \
+ do { \
+ if ((n) <= mb_enable_debug) { \
+ printk(KERN_DEBUG "(%s, %d): %s: ", \
+ __FILE__, __LINE__, __func__); \
+ printk(fmt, ## a); \
+ } \
+ } while (0)
#else
-#define mb_debug(fmt, a...)
+#define mb_debug(n, fmt, a...)
#endif
/*
--
GitLab
From 0ef90db93a4ddfc300af288c2a1bfc1e6c79da64 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 9 Aug 2009 16:46:13 -0400
Subject: [PATCH 120/742] ext4: Display the mballoc flags in mb_history in hex
instead of decimal
Displaying the flags in base 16 makes it easier to see which flags
have been set.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4.h | 22 +++++++++++-----------
fs/ext4/mballoc.c | 4 ++--
2 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 9714db393efe..e267727cc62d 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -67,27 +67,27 @@ typedef unsigned int ext4_group_t;
/* prefer goal again. length */
-#define EXT4_MB_HINT_MERGE 1
+#define EXT4_MB_HINT_MERGE 0x0001
/* blocks already reserved */
-#define EXT4_MB_HINT_RESERVED 2
+#define EXT4_MB_HINT_RESERVED 0x0002
/* metadata is being allocated */
-#define EXT4_MB_HINT_METADATA 4
+#define EXT4_MB_HINT_METADATA 0x0004
/* first blocks in the file */
-#define EXT4_MB_HINT_FIRST 8
+#define EXT4_MB_HINT_FIRST 0x0008
/* search for the best chunk */
-#define EXT4_MB_HINT_BEST 16
+#define EXT4_MB_HINT_BEST 0x0010
/* data is being allocated */
-#define EXT4_MB_HINT_DATA 32
+#define EXT4_MB_HINT_DATA 0x0020
/* don't preallocate (for tails) */
-#define EXT4_MB_HINT_NOPREALLOC 64
+#define EXT4_MB_HINT_NOPREALLOC 0x0040
/* allocate for locality group */
-#define EXT4_MB_HINT_GROUP_ALLOC 128
+#define EXT4_MB_HINT_GROUP_ALLOC 0x0080
/* allocate goal blocks or none */
-#define EXT4_MB_HINT_GOAL_ONLY 256
+#define EXT4_MB_HINT_GOAL_ONLY 0x0100
/* goal is meaningful */
-#define EXT4_MB_HINT_TRY_GOAL 512
+#define EXT4_MB_HINT_TRY_GOAL 0x0200
/* blocks already pre-reserved by delayed allocation */
-#define EXT4_MB_DELALLOC_RESERVED 1024
+#define EXT4_MB_DELALLOC_RESERVED 0x0400
struct ext4_allocation_request {
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index d80b300c1779..3434c603432d 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2157,7 +2157,7 @@ static int ext4_mb_seq_history_show(struct seq_file *seq, void *v)
if (v == SEQ_START_TOKEN) {
seq_printf(seq, "%-5s %-8s %-23s %-23s %-23s %-5s "
- "%-5s %-2s %-5s %-5s %-5s %-6s\n",
+ "%-5s %-2s %-6s %-5s %-5s %-6s\n",
"pid", "inode", "original", "goal", "result", "found",
"grps", "cr", "flags", "merge", "tail", "broken");
return 0;
@@ -2165,7 +2165,7 @@ static int ext4_mb_seq_history_show(struct seq_file *seq, void *v)
if (hs->op == EXT4_MB_HISTORY_ALLOC) {
fmt = "%-5u %-8u %-23s %-23s %-23s %-5u %-5u %-2u "
- "%-5u %-5s %-5u %-6u\n";
+ "0x%04x %-5s %-5u %-6u\n";
sprintf(buf2, "%u/%d/%u@%u", hs->result.fe_group,
hs->result.fe_start, hs->result.fe_len,
hs->result.fe_logical);
--
GitLab
From 4ba74d00a20256e22f159cb288ff34b587608917 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 9 Aug 2009 22:01:13 -0400
Subject: [PATCH 121/742] ext4: Fix bugs in mballoc's stream allocation mode
The logic around sbi->s_mb_last_group and sbi->s_mb_last_start was all
screwed up. These fields were getting unconditionally all the time,
set even when stream allocation had not taken place, and if they were
being used when the file was smaller than s_mb_stream_request, which
is when the allocation should _not_ be doing stream allocation.
Fix this by determining whether or not we stream allocation should
take place once, in ext4_mb_group_or_file(), and setting a flag which
gets used in ext4_mb_regular_allocator() and ext4_mb_use_best_found().
This simplifies the code and assures that we are consistently using
(or not using) the stream allocation logic.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4.h | 2 ++
fs/ext4/mballoc.c | 23 ++++++++++-------------
2 files changed, 12 insertions(+), 13 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index e267727cc62d..70aa951ecb3c 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -88,6 +88,8 @@ typedef unsigned int ext4_group_t;
#define EXT4_MB_HINT_TRY_GOAL 0x0200
/* blocks already pre-reserved by delayed allocation */
#define EXT4_MB_DELALLOC_RESERVED 0x0400
+/* We are doing stream allocation */
+#define EXT4_MB_STREAM_ALLOC 0x0800
struct ext4_allocation_request {
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 3434c603432d..90a30ce822fc 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1361,7 +1361,7 @@ static void ext4_mb_use_best_found(struct ext4_allocation_context *ac,
ac->alloc_semp = e4b->alloc_semp;
e4b->alloc_semp = NULL;
/* store last allocated for subsequent stream allocation */
- if ((ac->ac_flags & EXT4_MB_HINT_DATA)) {
+ if (ac->ac_flags & EXT4_MB_STREAM_ALLOC) {
spin_lock(&sbi->s_md_lock);
sbi->s_mb_last_group = ac->ac_f_ex.fe_group;
sbi->s_mb_last_start = ac->ac_f_ex.fe_start;
@@ -1939,7 +1939,6 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)
struct ext4_sb_info *sbi;
struct super_block *sb;
struct ext4_buddy e4b;
- loff_t size, isize;
sb = ac->ac_sb;
sbi = EXT4_SB(sb);
@@ -1975,20 +1974,16 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)
}
bsbits = ac->ac_sb->s_blocksize_bits;
- /* if stream allocation is enabled, use global goal */
- size = ac->ac_o_ex.fe_logical + ac->ac_o_ex.fe_len;
- isize = i_size_read(ac->ac_inode) >> bsbits;
- if (size < isize)
- size = isize;
- if (size < sbi->s_mb_stream_request &&
- (ac->ac_flags & EXT4_MB_HINT_DATA)) {
+ /* if stream allocation is enabled, use global goal */
+ if (ac->ac_flags & EXT4_MB_STREAM_ALLOC) {
/* TBD: may be hot point */
spin_lock(&sbi->s_md_lock);
ac->ac_g_ex.fe_group = sbi->s_mb_last_group;
ac->ac_g_ex.fe_start = sbi->s_mb_last_start;
spin_unlock(&sbi->s_md_lock);
}
+
/* Let's just scan groups to find more-less suitable blocks */
cr = ac->ac_2order ? 0 : 1;
/*
@@ -4192,16 +4187,18 @@ static void ext4_mb_group_or_file(struct ext4_allocation_context *ac)
if (!(ac->ac_flags & EXT4_MB_HINT_DATA))
return;
+ if (unlikely(ac->ac_flags & EXT4_MB_HINT_GOAL_ONLY))
+ return;
+
size = ac->ac_o_ex.fe_logical + ac->ac_o_ex.fe_len;
isize = i_size_read(ac->ac_inode) >> bsbits;
size = max(size, isize);
/* don't use group allocation for large files */
- if (size >= sbi->s_mb_stream_request)
- return;
-
- if (unlikely(ac->ac_flags & EXT4_MB_HINT_GOAL_ONLY))
+ if (size >= sbi->s_mb_stream_request) {
+ ac->ac_flags |= EXT4_MB_STREAM_ALLOC;
return;
+ }
BUG_ON(ac->ac_lg != NULL);
/*
--
GitLab
From 922b0dc59bb43f7ff3bb8b9558ffeb3ad6af528e Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 9 Aug 2009 19:53:59 +0000
Subject: [PATCH 122/742] sh: use printk_once
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/ioremap_64.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/sh/mm/ioremap_64.c b/arch/sh/mm/ioremap_64.c
index 828c8597219d..b16843d02b76 100644
--- a/arch/sh/mm/ioremap_64.c
+++ b/arch/sh/mm/ioremap_64.c
@@ -94,7 +94,6 @@ static struct resource *shmedia_find_resource(struct resource *root,
static void __iomem *shmedia_alloc_io(unsigned long phys, unsigned long size,
const char *name, unsigned long flags)
{
- static int printed_full;
struct xresource *xres;
struct resource *res;
char *tack;
@@ -108,11 +107,8 @@ static void __iomem *shmedia_alloc_io(unsigned long phys, unsigned long size,
tack = xres->xname;
res = &xres->xres;
} else {
- if (!printed_full) {
- printk(KERN_NOTICE "%s: done with statics, "
+ printk_once(KERN_NOTICE "%s: done with statics, "
"switching to kmalloc\n", __func__);
- printed_full = 1;
- }
tlen = strlen(name);
tack = kmalloc(sizeof(struct resource) + tlen + 1, GFP_KERNEL);
if (!tack)
--
GitLab
From 4e14dfc722b8e9e07a355f97aa60a3d9f0739071 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Fri, 7 Aug 2009 16:11:19 +0100
Subject: [PATCH 123/742] sh: Use the generalized stacktrace ops
Copy the stacktrace ops code from x86 and provide a central function for
use by functions that need to dump a callstack.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/stacktrace.h | 25 ++++++
arch/sh/kernel/Makefile_32 | 2 +-
arch/sh/kernel/dumpstack.c | 128 +++++++++++++++++++++++++++++++
arch/sh/kernel/stacktrace.c | 87 ++++++++++++++-------
arch/sh/kernel/traps_32.c | 24 ------
arch/sh/oprofile/backtrace.c | 56 +++++++++-----
6 files changed, 251 insertions(+), 71 deletions(-)
create mode 100644 arch/sh/include/asm/stacktrace.h
create mode 100644 arch/sh/kernel/dumpstack.c
diff --git a/arch/sh/include/asm/stacktrace.h b/arch/sh/include/asm/stacktrace.h
new file mode 100644
index 000000000000..797018213718
--- /dev/null
+++ b/arch/sh/include/asm/stacktrace.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2009 Matt Fleming
+ *
+ * Based on:
+ * The x86 implementation - arch/x86/include/asm/stacktrace.h
+ */
+#ifndef _ASM_SH_STACKTRACE_H
+#define _ASM_SH_STACKTRACE_H
+
+/* Generic stack tracer with callbacks */
+
+struct stacktrace_ops {
+ void (*warning)(void *data, char *msg);
+ /* msg must contain %s for the symbol */
+ void (*warning_symbol)(void *data, char *msg, unsigned long symbol);
+ void (*address)(void *data, unsigned long address, int reliable);
+ /* On negative return stop dumping */
+ int (*stack)(void *data, char *name);
+};
+
+void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
+ unsigned long *stack,
+ const struct stacktrace_ops *ops, void *data);
+
+#endif /* _ASM_SH_STACKTRACE_H */
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index 94ed99b68002..6b32de701a7e 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -9,7 +9,7 @@ ifdef CONFIG_FUNCTION_TRACER
CFLAGS_REMOVE_ftrace.o = -pg
endif
-obj-y := debugtraps.o idle.o io.o io_generic.o irq.o \
+obj-y := debugtraps.o dumpstack.o idle.o io.o io_generic.o irq.o \
machvec.o process_32.o ptrace_32.o setup.o signal_32.o \
sys_sh.o sys_sh32.o syscalls_32.o time.o topology.o \
traps.o traps_32.o
diff --git a/arch/sh/kernel/dumpstack.c b/arch/sh/kernel/dumpstack.c
new file mode 100644
index 000000000000..6ab996fc6121
--- /dev/null
+++ b/arch/sh/kernel/dumpstack.c
@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs
+ * Copyright (C) 2009 Matt Fleming
+ */
+#include <linux/kallsyms.h>
+#include <linux/ftrace.h>
+#include <linux/debug_locks.h>
+
+#include <asm/stacktrace.h>
+
+void printk_address(unsigned long address, int reliable)
+{
+ printk(" [<%p>] %s%pS\n", (void *) address,
+ reliable ? "" : "? ", (void *) address);
+}
+
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+static void
+print_ftrace_graph_addr(unsigned long addr, void *data,
+ const struct stacktrace_ops *ops,
+ struct thread_info *tinfo, int *graph)
+{
+ struct task_struct *task = tinfo->task;
+ unsigned long ret_addr;
+ int index = task->curr_ret_stack;
+
+ if (addr != (unsigned long)return_to_handler)
+ return;
+
+ if (!task->ret_stack || index < *graph)
+ return;
+
+ index -= *graph;
+ ret_addr = task->ret_stack[index].ret;
+
+ ops->address(data, ret_addr, 1);
+
+ (*graph)++;
+}
+#else
+static inline void
+print_ftrace_graph_addr(unsigned long addr, void *data,
+ const struct stacktrace_ops *ops,
+ struct thread_info *tinfo, int *graph)
+{ }
+#endif
+
+/*
+ * Unwind the call stack and pass information to the stacktrace_ops
+ * functions.
+ */
+void dump_trace(struct task_struct *task, struct pt_regs *regs,
+ unsigned long *sp, const struct stacktrace_ops *ops,
+ void *data)
+{
+ struct thread_info *context;
+ int graph = 0;
+
+ context = (struct thread_info *)
+ ((unsigned long)sp & (~(THREAD_SIZE - 1)));
+
+ while (!kstack_end(sp)) {
+ unsigned long addr = *sp++;
+
+ if (__kernel_text_address(addr)) {
+ ops->address(data, addr, 0);
+
+ print_ftrace_graph_addr(addr, data, ops,
+ context, &graph);
+ }
+ }
+}
+EXPORT_SYMBOL(dump_trace);
+
+
+static void
+print_trace_warning_symbol(void *data, char *msg, unsigned long symbol)
+{
+ printk(data);
+ print_symbol(msg, symbol);
+ printk("\n");
+}
+
+static void print_trace_warning(void *data, char *msg)
+{
+ printk("%s%s\n", (char *)data, msg);
+}
+
+static int print_trace_stack(void *data, char *name)
+{
+ printk("%s <%s> ", (char *)data, name);
+ return 0;
+}
+
+/*
+ * Print one address/symbol entries per line.
+ */
+static void print_trace_address(void *data, unsigned long addr, int reliable)
+{
+ printk(data);
+ printk_address(addr, reliable);
+}
+
+static const struct stacktrace_ops print_trace_ops = {
+ .warning = print_trace_warning,
+ .warning_symbol = print_trace_warning_symbol,
+ .stack = print_trace_stack,
+ .address = print_trace_address,
+};
+
+void show_trace(struct task_struct *tsk, unsigned long *sp,
+ struct pt_regs *regs)
+{
+ if (regs && user_mode(regs))
+ return;
+
+ printk("\nCall trace:\n");
+
+ dump_trace(tsk, regs, sp, &print_trace_ops, "");
+
+ printk("\n");
+
+ if (!tsk)
+ tsk = current;
+
+ debug_show_held_locks(tsk);
+}
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index 1a2a5eb76e41..6c24a400b05e 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -14,46 +14,81 @@
#include <linux/thread_info.h>
#include <linux/module.h>
#include <asm/ptrace.h>
+#include <asm/stacktrace.h>
+
+static void save_stack_warning(void *data, char *msg)
+{
+}
+
+static void
+save_stack_warning_symbol(void *data, char *msg, unsigned long symbol)
+{
+}
+
+static int save_stack_stack(void *data, char *name)
+{
+ return 0;
+}
/*
* Save stack-backtrace addresses into a stack_trace buffer.
*/
+static void save_stack_address(void *data, unsigned long addr, int reliable)
+{
+ struct stack_trace *trace = data;
+
+ if (trace->skip > 0) {
+ trace->skip--;
+ return;
+ }
+
+ if (trace->nr_entries < trace->max_entries)
+ trace->entries[trace->nr_entries++] = addr;
+}
+
+static const struct stacktrace_ops save_stack_ops = {
+ .warning = save_stack_warning,
+ .warning_symbol = save_stack_warning_symbol,
+ .stack = save_stack_stack,
+ .address = save_stack_address,
+};
+
void save_stack_trace(struct stack_trace *trace)
{
unsigned long *sp = (unsigned long *)current_stack_pointer;
- while (!kstack_end(sp)) {
- unsigned long addr = *sp++;
-
- if (__kernel_text_address(addr)) {
- if (trace->skip > 0)
- trace->skip--;
- else
- trace->entries[trace->nr_entries++] = addr;
- if (trace->nr_entries >= trace->max_entries)
- break;
- }
- }
+ dump_trace(current, NULL, sp, &save_stack_ops, trace);
}
EXPORT_SYMBOL_GPL(save_stack_trace);
+static void
+save_stack_address_nosched(void *data, unsigned long addr, int reliable)
+{
+ struct stack_trace *trace = (struct stack_trace *)data;
+
+ if (in_sched_functions(addr))
+ return;
+
+ if (trace->skip > 0) {
+ trace->skip--;
+ return;
+ }
+
+ if (trace->nr_entries < trace->max_entries)
+ trace->entries[trace->nr_entries++] = addr;
+}
+
+static const struct stacktrace_ops save_stack_ops_nosched = {
+ .warning = save_stack_warning,
+ .warning_symbol = save_stack_warning_symbol,
+ .stack = save_stack_stack,
+ .address = save_stack_address_nosched,
+};
+
void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
unsigned long *sp = (unsigned long *)tsk->thread.sp;
- while (!kstack_end(sp)) {
- unsigned long addr = *sp++;
-
- if (__kernel_text_address(addr)) {
- if (in_sched_functions(addr))
- break;
- if (trace->skip > 0)
- trace->skip--;
- else
- trace->entries[trace->nr_entries++] = addr;
- if (trace->nr_entries >= trace->max_entries)
- break;
- }
- }
+ dump_trace(current, NULL, sp, &save_stack_ops_nosched, trace);
}
EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 2b772776fcda..563426487c6b 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -858,30 +858,6 @@ void __init trap_init(void)
per_cpu_trap_init();
}
-void show_trace(struct task_struct *tsk, unsigned long *sp,
- struct pt_regs *regs)
-{
- unsigned long addr;
-
- if (regs && user_mode(regs))
- return;
-
- printk("\nCall trace:\n");
-
- while (!kstack_end(sp)) {
- addr = *sp++;
- if (kernel_text_address(addr))
- print_ip_sym(addr);
- }
-
- printk("\n");
-
- if (!tsk)
- tsk = current;
-
- debug_show_held_locks(tsk);
-}
-
void show_stack(struct task_struct *tsk, unsigned long *sp)
{
unsigned long stack;
diff --git a/arch/sh/oprofile/backtrace.c b/arch/sh/oprofile/backtrace.c
index 9499a2914f89..62e4e4d0273e 100644
--- a/arch/sh/oprofile/backtrace.c
+++ b/arch/sh/oprofile/backtrace.c
@@ -20,6 +20,39 @@
#include <asm/ptrace.h>
#include <asm/uaccess.h>
#include <asm/sections.h>
+#include <asm/stacktrace.h>
+
+static void backtrace_warning_symbol(void *data, char *msg,
+ unsigned long symbol)
+{
+ /* Ignore warnings */
+}
+
+static void backtrace_warning(void *data, char *msg)
+{
+ /* Ignore warnings */
+}
+
+static int backtrace_stack(void *data, char *name)
+{
+ /* Yes, we want all stacks */
+ return 0;
+}
+
+static void backtrace_address(void *data, unsigned long addr, int reliable)
+{
+ unsigned int *depth = data;
+
+ if ((*depth)--)
+ oprofile_add_trace(addr);
+}
+
+static struct stacktrace_ops backtrace_ops = {
+ .warning = backtrace_warning,
+ .warning_symbol = backtrace_warning_symbol,
+ .stack = backtrace_stack,
+ .address = backtrace_address,
+};
/* Limit to stop backtracing too far. */
static int backtrace_limit = 20;
@@ -74,23 +107,6 @@ static int valid_kernel_stack(unsigned long *stackaddr, struct pt_regs *regs)
return ((unsigned long)stackaddr > stack) && ((unsigned long)stackaddr < stack_base);
}
-static unsigned long *
-kernel_backtrace(unsigned long *stackaddr, struct pt_regs *regs)
-{
- unsigned long addr;
-
- /*
- * If not a valid kernel address, keep going till we find one
- * or the SP stops being a valid address.
- */
- do {
- addr = *stackaddr++;
- oprofile_add_trace(addr);
- } while (valid_kernel_stack(stackaddr, regs));
-
- return stackaddr;
-}
-
void sh_backtrace(struct pt_regs * const regs, unsigned int depth)
{
unsigned long *stackaddr;
@@ -103,9 +119,9 @@ void sh_backtrace(struct pt_regs * const regs, unsigned int depth)
stackaddr = (unsigned long *)regs->regs[15];
if (!user_mode(regs)) {
- while (depth-- && valid_kernel_stack(stackaddr, regs))
- stackaddr = kernel_backtrace(stackaddr, regs);
-
+ if (depth)
+ dump_trace(NULL, regs, stackaddr,
+ &backtrace_ops, &depth);
return;
}
--
GitLab
From bf61ad1f870be88676a07bfef69acd59ce10172e Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Thu, 13 Aug 2009 19:49:03 +0900
Subject: [PATCH 124/742] sh: Allow multiple stack unwinders to be setup
Provide an interface for registering stack unwinders, where each
unwinder is given a rating that describes its accuracy and
complexity. The more accurate an unwinder is, the more complex it is.
If a the current stack unwinder faults, then the stack unwinder with the
next highest accuracy will be used in its place (provided one is
available). For example, this allows unwinders, such as the DWARF
unwinder, to liberally sprinkle BUG()s to catch badly formed DWARF debug
info.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/unwinder.h | 25 +++++
arch/sh/kernel/Makefile_32 | 4 +-
arch/sh/kernel/Makefile_64 | 2 +-
arch/sh/kernel/unwinder.c | 162 +++++++++++++++++++++++++++++++++
4 files changed, 190 insertions(+), 3 deletions(-)
create mode 100644 arch/sh/include/asm/unwinder.h
create mode 100644 arch/sh/kernel/unwinder.c
diff --git a/arch/sh/include/asm/unwinder.h b/arch/sh/include/asm/unwinder.h
new file mode 100644
index 000000000000..3dc551453e28
--- /dev/null
+++ b/arch/sh/include/asm/unwinder.h
@@ -0,0 +1,25 @@
+#ifndef _LINUX_UNWINDER_H
+#define _LINUX_UNWINDER_H
+
+#include <asm/stacktrace.h>
+
+struct unwinder {
+ const char *name;
+ struct list_head list;
+ int rating;
+ void (*dump)(struct task_struct *, struct pt_regs *,
+ unsigned long *, const struct stacktrace_ops *, void *);
+};
+
+extern int unwinder_init(void);
+extern int unwinder_register(struct unwinder *);
+
+extern void unwind_stack(struct task_struct *, struct pt_regs *,
+ unsigned long *, const struct stacktrace_ops *,
+ void *);
+
+extern void stack_reader_dump(struct task_struct *, struct pt_regs *,
+ unsigned long *, const struct stacktrace_ops *,
+ void *);
+
+#endif /* _LINUX_UNWINDER_H */
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index 6b32de701a7e..37a3b7704fc6 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -11,8 +11,8 @@ endif
obj-y := debugtraps.o dumpstack.o idle.o io.o io_generic.o irq.o \
machvec.o process_32.o ptrace_32.o setup.o signal_32.o \
- sys_sh.o sys_sh32.o syscalls_32.o time.o topology.o \
- traps.o traps_32.o
+ sys_sh.o sys_sh32.o syscalls_32.o time.o topology.o \
+ traps.o traps_32.o unwinder.o
obj-y += cpu/
obj-$(CONFIG_VSYSCALL) += vsyscall/
diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64
index 67b9f6c6326b..00b73e7598cb 100644
--- a/arch/sh/kernel/Makefile_64
+++ b/arch/sh/kernel/Makefile_64
@@ -2,7 +2,7 @@ extra-y := head_64.o init_task.o vmlinux.lds
obj-y := debugtraps.o idle.o io.o io_generic.o irq.o machvec.o process_64.o \
ptrace_64.o setup.o signal_64.o sys_sh.o sys_sh64.o \
- syscalls_64.o time.o topology.o traps.o traps_64.o
+ syscalls_64.o time.o topology.o traps.o traps_64.o unwinder.o
obj-y += cpu/
obj-$(CONFIG_SMP) += smp.o
diff --git a/arch/sh/kernel/unwinder.c b/arch/sh/kernel/unwinder.c
new file mode 100644
index 000000000000..2b30fa28b440
--- /dev/null
+++ b/arch/sh/kernel/unwinder.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2009 Matt Fleming
+ *
+ * Based, in part, on kernel/time/clocksource.c.
+ *
+ * This file provides arbitration code for stack unwinders.
+ *
+ * Multiple stack unwinders can be available on a system, usually with
+ * the most accurate unwinder being the currently active one.
+ */
+#include <linux/errno.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <asm/unwinder.h>
+#include <asm/atomic.h>
+
+/*
+ * This is the most basic stack unwinder an architecture can
+ * provide. For architectures without reliable frame pointers, e.g.
+ * RISC CPUs, it can be implemented by looking through the stack for
+ * addresses that lie within the kernel text section.
+ *
+ * Other CPUs, e.g. x86, can use their frame pointer register to
+ * construct more accurate stack traces.
+ */
+static struct list_head unwinder_list;
+static struct unwinder stack_reader = {
+ .name = "stack-reader",
+ .dump = stack_reader_dump,
+ .rating = 50,
+ .list = {
+ .next = &unwinder_list,
+ .prev = &unwinder_list,
+ },
+};
+
+/*
+ * "curr_unwinder" points to the stack unwinder currently in use. This
+ * is the unwinder with the highest rating.
+ *
+ * "unwinder_list" is a linked-list of all available unwinders, sorted
+ * by rating.
+ *
+ * All modifications of "curr_unwinder" and "unwinder_list" must be
+ * performed whilst holding "unwinder_lock".
+ */
+static struct unwinder *curr_unwinder = &stack_reader;
+
+static struct list_head unwinder_list = {
+ .next = &stack_reader.list,
+ .prev = &stack_reader.list,
+};
+
+static DEFINE_SPINLOCK(unwinder_lock);
+
+static atomic_t unwinder_running = ATOMIC_INIT(0);
+
+/**
+ * select_unwinder - Select the best registered stack unwinder.
+ *
+ * Private function. Must hold unwinder_lock when called.
+ *
+ * Select the stack unwinder with the best rating. This is useful for
+ * setting up curr_unwinder.
+ */
+static struct unwinder *select_unwinder(void)
+{
+ struct unwinder *best;
+
+ if (list_empty(&unwinder_list))
+ return NULL;
+
+ best = list_entry(unwinder_list.next, struct unwinder, list);
+ if (best == curr_unwinder)
+ return NULL;
+
+ return best;
+}
+
+/*
+ * Enqueue the stack unwinder sorted by rating.
+ */
+static int unwinder_enqueue(struct unwinder *ops)
+{
+ struct list_head *tmp, *entry = &unwinder_list;
+
+ list_for_each(tmp, &unwinder_list) {
+ struct unwinder *o;
+
+ o = list_entry(tmp, struct unwinder, list);
+ if (o == ops)
+ return -EBUSY;
+ /* Keep track of the place, where to insert */
+ if (o->rating >= ops->rating)
+ entry = tmp;
+ }
+ list_add(&ops->list, entry);
+
+ return 0;
+}
+
+/**
+ * unwinder_register - Used to install new stack unwinder
+ * @u: unwinder to be registered
+ *
+ * Install the new stack unwinder on the unwinder list, which is sorted
+ * by rating.
+ *
+ * Returns -EBUSY if registration fails, zero otherwise.
+ */
+int unwinder_register(struct unwinder *u)
+{
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&unwinder_lock, flags);
+ ret = unwinder_enqueue(u);
+ if (!ret)
+ curr_unwinder = select_unwinder();
+ spin_unlock_irqrestore(&unwinder_lock, flags);
+
+ return ret;
+}
+
+/*
+ * Unwind the call stack and pass information to the stacktrace_ops
+ * functions. Also handle the case where we need to switch to a new
+ * stack dumper because the current one faulted unexpectedly.
+ */
+void unwind_stack(struct task_struct *task, struct pt_regs *regs,
+ unsigned long *sp, const struct stacktrace_ops *ops,
+ void *data)
+{
+ unsigned long flags;
+
+ /*
+ * The problem with unwinders with high ratings is that they are
+ * inherently more complicated than the simple ones with lower
+ * ratings. We are therefore more likely to fault in the
+ * complicated ones, e.g. hitting BUG()s. If we fault in the
+ * code for the current stack unwinder we try to downgrade to
+ * one with a lower rating.
+ *
+ * Hopefully this will give us a semi-reliable stacktrace so we
+ * can diagnose why curr_unwinder->dump() faulted.
+ */
+ if (atomic_inc_return(&unwinder_running) != 1) {
+ spin_lock_irqsave(&unwinder_lock, flags);
+
+ if (!list_is_singular(&unwinder_list)) {
+ list_del(&curr_unwinder->list);
+ curr_unwinder = select_unwinder();
+ }
+
+ spin_unlock_irqrestore(&unwinder_lock, flags);
+ atomic_dec(&unwinder_running);
+ }
+
+ curr_unwinder->dump(task, regs, sp, ops, data);
+
+ atomic_dec(&unwinder_running);
+}
--
GitLab
From 0eff9f66de79a0707a9c3a2f8528ccfd62100f0b Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Tue, 11 Aug 2009 22:43:20 +0100
Subject: [PATCH 125/742] sh: Use the new stack unwinder API
Instead of implementing our own stack unwinder via dump_trace() we
should use the new stack unwinder API because it is more modular. This
change allows us to decouple the interface for generating stacktraces
from the implementation of a stack unwinder.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/dumpstack.c | 17 ++++++-----------
arch/sh/kernel/stacktrace.c | 5 +++--
arch/sh/oprofile/backtrace.c | 5 +++--
3 files changed, 12 insertions(+), 15 deletions(-)
diff --git a/arch/sh/kernel/dumpstack.c b/arch/sh/kernel/dumpstack.c
index 6ab996fc6121..005dc1d11460 100644
--- a/arch/sh/kernel/dumpstack.c
+++ b/arch/sh/kernel/dumpstack.c
@@ -6,7 +6,7 @@
#include <linux/kallsyms.h>
#include <linux/ftrace.h>
#include <linux/debug_locks.h>
-
+#include <asm/unwinder.h>
#include <asm/stacktrace.h>
void printk_address(unsigned long address, int reliable)
@@ -46,13 +46,10 @@ print_ftrace_graph_addr(unsigned long addr, void *data,
{ }
#endif
-/*
- * Unwind the call stack and pass information to the stacktrace_ops
- * functions.
- */
-void dump_trace(struct task_struct *task, struct pt_regs *regs,
- unsigned long *sp, const struct stacktrace_ops *ops,
- void *data)
+void
+stack_reader_dump(struct task_struct *task, struct pt_regs *regs,
+ unsigned long *sp, const struct stacktrace_ops *ops,
+ void *data)
{
struct thread_info *context;
int graph = 0;
@@ -71,8 +68,6 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
}
}
}
-EXPORT_SYMBOL(dump_trace);
-
static void
print_trace_warning_symbol(void *data, char *msg, unsigned long symbol)
@@ -117,7 +112,7 @@ void show_trace(struct task_struct *tsk, unsigned long *sp,
printk("\nCall trace:\n");
- dump_trace(tsk, regs, sp, &print_trace_ops, "");
+ unwind_stack(tsk, regs, sp, &print_trace_ops, "");
printk("\n");
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index 6c24a400b05e..45b1adde3abe 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -13,6 +13,7 @@
#include <linux/stacktrace.h>
#include <linux/thread_info.h>
#include <linux/module.h>
+#include <asm/unwinder.h>
#include <asm/ptrace.h>
#include <asm/stacktrace.h>
@@ -57,7 +58,7 @@ void save_stack_trace(struct stack_trace *trace)
{
unsigned long *sp = (unsigned long *)current_stack_pointer;
- dump_trace(current, NULL, sp, &save_stack_ops, trace);
+ unwind_stack(current, NULL, sp, &save_stack_ops, trace);
}
EXPORT_SYMBOL_GPL(save_stack_trace);
@@ -89,6 +90,6 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
unsigned long *sp = (unsigned long *)tsk->thread.sp;
- dump_trace(current, NULL, sp, &save_stack_ops_nosched, trace);
+ unwind_stack(current, NULL, sp, &save_stack_ops_nosched, trace);
}
EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
diff --git a/arch/sh/oprofile/backtrace.c b/arch/sh/oprofile/backtrace.c
index 62e4e4d0273e..37cd75d7930e 100644
--- a/arch/sh/oprofile/backtrace.c
+++ b/arch/sh/oprofile/backtrace.c
@@ -17,6 +17,7 @@
#include <linux/sched.h>
#include <linux/kallsyms.h>
#include <linux/mm.h>
+#include <asm/unwinder.h>
#include <asm/ptrace.h>
#include <asm/uaccess.h>
#include <asm/sections.h>
@@ -120,8 +121,8 @@ void sh_backtrace(struct pt_regs * const regs, unsigned int depth)
stackaddr = (unsigned long *)regs->regs[15];
if (!user_mode(regs)) {
if (depth)
- dump_trace(NULL, regs, stackaddr,
- &backtrace_ops, &depth);
+ unwind_stack(NULL, regs, stackaddr,
+ &backtrace_ops, &depth);
return;
}
--
GitLab
From bd353861c735b2265c9d8b2559960c693e7c68ab Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Fri, 14 Aug 2009 01:58:43 +0900
Subject: [PATCH 126/742] sh: dwarf unwinder support.
This is a first cut at a generic DWARF unwinder for the kernel. It's
still lacking DWARF64 support and the DWARF expression support hasn't
been tested very well but it is generating proper stacktraces on SH for
WARN_ON() and NULL dereferences.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig.debug | 8 +
arch/sh/Makefile | 4 +
arch/sh/include/asm/dwarf.h | 407 ++++++++++++++
arch/sh/include/asm/sections.h | 1 +
arch/sh/include/asm/vmlinux.lds.h | 17 +
arch/sh/kernel/Makefile_32 | 1 +
arch/sh/kernel/Makefile_64 | 1 +
arch/sh/kernel/dwarf.c | 876 ++++++++++++++++++++++++++++++
arch/sh/kernel/irq.c | 4 +
arch/sh/kernel/vmlinux.lds.S | 4 +-
10 files changed, 1322 insertions(+), 1 deletion(-)
create mode 100644 arch/sh/include/asm/dwarf.h
create mode 100644 arch/sh/include/asm/vmlinux.lds.h
create mode 100644 arch/sh/kernel/dwarf.c
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 763b792b1611..741d20fab2e1 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -110,6 +110,14 @@ config DUMP_CODE
Those looking for more verbose debugging output should say Y.
+config DWARF_UNWINDER
+ bool "Enable the DWARF unwinder for stacktraces"
+ select FRAME_POINTER
+ default n
+ help
+ Enabling this option will make stacktraces more accurate, at
+ the cost of an increase in overall kernel size.
+
config SH_NO_BSS_INIT
bool "Avoid zeroing BSS (to speed-up startup on suitable platforms)"
depends on DEBUG_KERNEL
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index b6ff337fd856..e26421bf9976 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -191,6 +191,10 @@ ifeq ($(CONFIG_MCOUNT),y)
KBUILD_CFLAGS += -pg
endif
+ifeq ($(CONFIG_DWARF_UNWINDER),y)
+ KBUILD_CFLAGS += -fasynchronous-unwind-tables
+endif
+
libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h
new file mode 100644
index 000000000000..23eba12880b3
--- /dev/null
+++ b/arch/sh/include/asm/dwarf.h
@@ -0,0 +1,407 @@
+/*
+ * Copyright (C) 2009 Matt Fleming <matt@console-pimps.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+#ifndef __ASM_SH_DWARF_H
+#define __ASM_SH_DWARF_H
+
+#ifdef CONFIG_DWARF_UNWINDER
+
+/*
+ * DWARF expression operations
+ */
+#define DW_OP_addr 0x03
+#define DW_OP_deref 0x06
+#define DW_OP_const1u 0x08
+#define DW_OP_const1s 0x09
+#define DW_OP_const2u 0x0a
+#define DW_OP_const2s 0x0b
+#define DW_OP_const4u 0x0c
+#define DW_OP_const4s 0x0d
+#define DW_OP_const8u 0x0e
+#define DW_OP_const8s 0x0f
+#define DW_OP_constu 0x10
+#define DW_OP_consts 0x11
+#define DW_OP_dup 0x12
+#define DW_OP_drop 0x13
+#define DW_OP_over 0x14
+#define DW_OP_pick 0x15
+#define DW_OP_swap 0x16
+#define DW_OP_rot 0x17
+#define DW_OP_xderef 0x18
+#define DW_OP_abs 0x19
+#define DW_OP_and 0x1a
+#define DW_OP_div 0x1b
+#define DW_OP_minus 0x1c
+#define DW_OP_mod 0x1d
+#define DW_OP_mul 0x1e
+#define DW_OP_neg 0x1f
+#define DW_OP_not 0x20
+#define DW_OP_or 0x21
+#define DW_OP_plus 0x22
+#define DW_OP_plus_uconst 0x23
+#define DW_OP_shl 0x24
+#define DW_OP_shr 0x25
+#define DW_OP_shra 0x26
+#define DW_OP_xor 0x27
+#define DW_OP_skip 0x2f
+#define DW_OP_bra 0x28
+#define DW_OP_eq 0x29
+#define DW_OP_ge 0x2a
+#define DW_OP_gt 0x2b
+#define DW_OP_le 0x2c
+#define DW_OP_lt 0x2d
+#define DW_OP_ne 0x2e
+#define DW_OP_lit0 0x30
+#define DW_OP_lit1 0x31
+#define DW_OP_lit2 0x32
+#define DW_OP_lit3 0x33
+#define DW_OP_lit4 0x34
+#define DW_OP_lit5 0x35
+#define DW_OP_lit6 0x36
+#define DW_OP_lit7 0x37
+#define DW_OP_lit8 0x38
+#define DW_OP_lit9 0x39
+#define DW_OP_lit10 0x3a
+#define DW_OP_lit11 0x3b
+#define DW_OP_lit12 0x3c
+#define DW_OP_lit13 0x3d
+#define DW_OP_lit14 0x3e
+#define DW_OP_lit15 0x3f
+#define DW_OP_lit16 0x40
+#define DW_OP_lit17 0x41
+#define DW_OP_lit18 0x42
+#define DW_OP_lit19 0x43
+#define DW_OP_lit20 0x44
+#define DW_OP_lit21 0x45
+#define DW_OP_lit22 0x46
+#define DW_OP_lit23 0x47
+#define DW_OP_lit24 0x48
+#define DW_OP_lit25 0x49
+#define DW_OP_lit26 0x4a
+#define DW_OP_lit27 0x4b
+#define DW_OP_lit28 0x4c
+#define DW_OP_lit29 0x4d
+#define DW_OP_lit30 0x4e
+#define DW_OP_lit31 0x4f
+#define DW_OP_reg0 0x50
+#define DW_OP_reg1 0x51
+#define DW_OP_reg2 0x52
+#define DW_OP_reg3 0x53
+#define DW_OP_reg4 0x54
+#define DW_OP_reg5 0x55
+#define DW_OP_reg6 0x56
+#define DW_OP_reg7 0x57
+#define DW_OP_reg8 0x58
+#define DW_OP_reg9 0x59
+#define DW_OP_reg10 0x5a
+#define DW_OP_reg11 0x5b
+#define DW_OP_reg12 0x5c
+#define DW_OP_reg13 0x5d
+#define DW_OP_reg14 0x5e
+#define DW_OP_reg15 0x5f
+#define DW_OP_reg16 0x60
+#define DW_OP_reg17 0x61
+#define DW_OP_reg18 0x62
+#define DW_OP_reg19 0x63
+#define DW_OP_reg20 0x64
+#define DW_OP_reg21 0x65
+#define DW_OP_reg22 0x66
+#define DW_OP_reg23 0x67
+#define DW_OP_reg24 0x68
+#define DW_OP_reg25 0x69
+#define DW_OP_reg26 0x6a
+#define DW_OP_reg27 0x6b
+#define DW_OP_reg28 0x6c
+#define DW_OP_reg29 0x6d
+#define DW_OP_reg30 0x6e
+#define DW_OP_reg31 0x6f
+#define DW_OP_breg0 0x70
+#define DW_OP_breg1 0x71
+#define DW_OP_breg2 0x72
+#define DW_OP_breg3 0x73
+#define DW_OP_breg4 0x74
+#define DW_OP_breg5 0x75
+#define DW_OP_breg6 0x76
+#define DW_OP_breg7 0x77
+#define DW_OP_breg8 0x78
+#define DW_OP_breg9 0x79
+#define DW_OP_breg10 0x7a
+#define DW_OP_breg11 0x7b
+#define DW_OP_breg12 0x7c
+#define DW_OP_breg13 0x7d
+#define DW_OP_breg14 0x7e
+#define DW_OP_breg15 0x7f
+#define DW_OP_breg16 0x80
+#define DW_OP_breg17 0x81
+#define DW_OP_breg18 0x82
+#define DW_OP_breg19 0x83
+#define DW_OP_breg20 0x84
+#define DW_OP_breg21 0x85
+#define DW_OP_breg22 0x86
+#define DW_OP_breg23 0x87
+#define DW_OP_breg24 0x88
+#define DW_OP_breg25 0x89
+#define DW_OP_breg26 0x8a
+#define DW_OP_breg27 0x8b
+#define DW_OP_breg28 0x8c
+#define DW_OP_breg29 0x8d
+#define DW_OP_breg30 0x8e
+#define DW_OP_breg31 0x8f
+#define DW_OP_regx 0x90
+#define DW_OP_fbreg 0x91
+#define DW_OP_bregx 0x92
+#define DW_OP_piece 0x93
+#define DW_OP_deref_size 0x94
+#define DW_OP_xderef_size 0x95
+#define DW_OP_nop 0x96
+#define DW_OP_push_object_address 0x97
+#define DW_OP_call2 0x98
+#define DW_OP_call4 0x99
+#define DW_OP_call_ref 0x9a
+#define DW_OP_form_tls_address 0x9b
+#define DW_OP_call_frame_cfa 0x9c
+#define DW_OP_bit_piece 0x9d
+#define DW_OP_lo_user 0xe0
+#define DW_OP_hi_user 0xff
+
+/*
+ * Addresses used in FDE entries in the .eh_frame section may be encoded
+ * using one of the following encodings.
+ */
+#define DW_EH_PE_absptr 0x00
+#define DW_EH_PE_omit 0xff
+#define DW_EH_PE_uleb128 0x01
+#define DW_EH_PE_udata2 0x02
+#define DW_EH_PE_udata4 0x03
+#define DW_EH_PE_udata8 0x04
+#define DW_EH_PE_sleb128 0x09
+#define DW_EH_PE_sdata2 0x0a
+#define DW_EH_PE_sdata4 0x0b
+#define DW_EH_PE_sdata8 0x0c
+#define DW_EH_PE_signed 0x09
+
+#define DW_EH_PE_pcrel 0x10
+
+/*
+ * The architecture-specific register number that contains the return
+ * address in the .debug_frame table.
+ */
+#define DWARF_ARCH_RA_REG 17
+
+/*
+ * At what offset into dwarf_unwind_stack() is DWARF_ARCH_RA_REG setup?
+ */
+#define DWARF_ARCH_UNWIND_OFFSET 0x20
+
+#ifndef __ASSEMBLY__
+/*
+ * Read either the frame pointer (r14) or the stack pointer (r15).
+ * NOTE: this MUST be inlined.
+ */
+static __always_inline unsigned long dwarf_read_arch_reg(unsigned int reg)
+{
+ unsigned long value;
+
+ switch (reg) {
+ case 14:
+ __asm__ __volatile__("mov r14, %0\n" : "=r" (value));
+ break;
+ case 15:
+ __asm__ __volatile__("mov r15, %0\n" : "=r" (value));
+ break;
+ default:
+ BUG();
+ }
+
+ return value;
+}
+
+/**
+ * dwarf_cie - Common Information Entry
+ */
+struct dwarf_cie {
+ unsigned long length;
+ unsigned long cie_id;
+ unsigned char version;
+ const char *augmentation;
+ unsigned int code_alignment_factor;
+ int data_alignment_factor;
+
+ /* Which column in the rule table represents return addr of func. */
+ unsigned int return_address_reg;
+
+ unsigned char *initial_instructions;
+ unsigned char *instructions_end;
+
+ unsigned char encoding;
+
+ unsigned long cie_pointer;
+
+ struct list_head link;
+
+ unsigned long flags;
+#define DWARF_CIE_Z_AUGMENTATION (1 << 0)
+};
+
+/**
+ * dwarf_fde - Frame Description Entry
+ */
+struct dwarf_fde {
+ unsigned long length;
+ unsigned long cie_pointer;
+ struct dwarf_cie *cie;
+ unsigned long initial_location;
+ unsigned long address_range;
+ unsigned char *instructions;
+ unsigned char *end;
+ struct list_head link;
+};
+
+/**
+ * dwarf_frame - DWARF information for a frame in the call stack
+ */
+struct dwarf_frame {
+ struct dwarf_frame *prev, *next;
+
+ unsigned long pc;
+
+ struct dwarf_reg *regs;
+ unsigned int num_regs; /* how many regs are allocated? */
+
+ unsigned int depth; /* what level are we in the callstack? */
+
+ unsigned long cfa;
+
+ /* Valid when DW_FRAME_CFA_REG_OFFSET is set in flags */
+ unsigned int cfa_register;
+ unsigned int cfa_offset;
+
+ /* Valid when DW_FRAME_CFA_REG_EXP is set in flags */
+ unsigned char *cfa_expr;
+ unsigned int cfa_expr_len;
+
+ unsigned long flags;
+#define DWARF_FRAME_CFA_REG_OFFSET (1 << 0)
+#define DWARF_FRAME_CFA_REG_EXP (1 << 1)
+
+ unsigned long return_addr;
+};
+
+/**
+ * dwarf_reg - DWARF register
+ * @flags: Describes how to calculate the value of this register
+ */
+struct dwarf_reg {
+ unsigned long addr;
+ unsigned long flags;
+#define DWARF_REG_OFFSET (1 << 0)
+};
+
+/**
+ * dwarf_stack - a DWARF stack contains a collection of DWARF frames
+ * @depth: the number of frames in the stack
+ * @level: an array of DWARF frames, indexed by stack level
+ *
+ */
+struct dwarf_stack {
+ unsigned int depth;
+ struct dwarf_frame **level;
+};
+
+/*
+ * Call Frame instruction opcodes.
+ */
+#define DW_CFA_advance_loc 0x40
+#define DW_CFA_offset 0x80
+#define DW_CFA_restore 0xc0
+#define DW_CFA_nop 0x00
+#define DW_CFA_set_loc 0x01
+#define DW_CFA_advance_loc1 0x02
+#define DW_CFA_advance_loc2 0x03
+#define DW_CFA_advance_loc4 0x04
+#define DW_CFA_offset_extended 0x05
+#define DW_CFA_restore_extended 0x06
+#define DW_CFA_undefined 0x07
+#define DW_CFA_same_value 0x08
+#define DW_CFA_register 0x09
+#define DW_CFA_remember_state 0x0a
+#define DW_CFA_restore_state 0x0b
+#define DW_CFA_def_cfa 0x0c
+#define DW_CFA_def_cfa_register 0x0d
+#define DW_CFA_def_cfa_offset 0x0e
+#define DW_CFA_def_cfa_expression 0x0f
+#define DW_CFA_expression 0x10
+#define DW_CFA_offset_extended_sf 0x11
+#define DW_CFA_def_cfa_sf 0x12
+#define DW_CFA_def_cfa_offset_sf 0x13
+#define DW_CFA_val_offset 0x14
+#define DW_CFA_val_offset_sf 0x15
+#define DW_CFA_val_expression 0x16
+#define DW_CFA_lo_user 0x1c
+#define DW_CFA_hi_user 0x3f
+
+/*
+ * Some call frame instructions encode their operands in the opcode. We
+ * need some helper functions to extract both the opcode and operands
+ * from an instruction.
+ */
+static inline unsigned int DW_CFA_opcode(unsigned long insn)
+{
+ return (insn & 0xc0);
+}
+
+static inline unsigned int DW_CFA_operand(unsigned long insn)
+{
+ return (insn & 0x3f);
+}
+
+#define DW_EH_FRAME_CIE 0 /* .eh_frame CIE IDs are 0 */
+#define DW_CIE_ID 0xffffffff
+#define DW64_CIE_ID 0xffffffffffffffffULL
+
+/*
+ * DWARF FDE/CIE length field values.
+ */
+#define DW_EXT_LO 0xfffffff0
+#define DW_EXT_HI 0xffffffff
+#define DW_EXT_DWARF64 DW_EXT_HI
+
+extern void dwarf_unwinder_init(void);
+
+extern struct dwarf_frame *dwarf_unwind_stack(unsigned long,
+ struct dwarf_frame *);
+#endif /* __ASSEMBLY__ */
+
+#define CFI_STARTPROC .cfi_startproc
+#define CFI_ENDPROC .cfi_endproc
+#define CFI_DEF_CFA .cfi_def_cfa
+#define CFI_REGISTER .cfi_register
+#define CFI_REL_OFFSET .cfi_rel_offset
+
+#else
+
+/*
+ * Use the asm comment character to ignore the rest of the line.
+ */
+#define CFI_IGNORE !
+
+#define CFI_STARTPROC CFI_IGNORE
+#define CFI_ENDPROC CFI_IGNORE
+#define CFI_DEF_CFA CFI_IGNORE
+#define CFI_REGISTER CFI_IGNORE
+#define CFI_REL_OFFSET CFI_IGNORE
+
+#ifndef __ASSEMBLY__
+static inline void dwarf_unwinder_init(void)
+{
+}
+#endif
+
+#endif /* CONFIG_DWARF_UNWINDER */
+
+#endif /* __ASM_SH_DWARF_H */
diff --git a/arch/sh/include/asm/sections.h b/arch/sh/include/asm/sections.h
index 01a4076a3719..a78701da775b 100644
--- a/arch/sh/include/asm/sections.h
+++ b/arch/sh/include/asm/sections.h
@@ -7,6 +7,7 @@ extern void __nosave_begin, __nosave_end;
extern long __machvec_start, __machvec_end;
extern char __uncached_start, __uncached_end;
extern char _ebss[];
+extern char __start_eh_frame[], __stop_eh_frame[];
#endif /* __ASM_SH_SECTIONS_H */
diff --git a/arch/sh/include/asm/vmlinux.lds.h b/arch/sh/include/asm/vmlinux.lds.h
new file mode 100644
index 000000000000..244ec4ad9a79
--- /dev/null
+++ b/arch/sh/include/asm/vmlinux.lds.h
@@ -0,0 +1,17 @@
+#ifndef __ASM_SH_VMLINUX_LDS_H
+#define __ASM_SH_VMLINUX_LDS_H
+
+#include <asm-generic/vmlinux.lds.h>
+
+#ifdef CONFIG_DWARF_UNWINDER
+#define DWARF_EH_FRAME \
+ .eh_frame : AT(ADDR(.eh_frame) - LOAD_OFFSET) { \
+ VMLINUX_SYMBOL(__start_eh_frame) = .; \
+ *(.eh_frame) \
+ VMLINUX_SYMBOL(__stop_eh_frame) = .; \
+ }
+#else
+#define DWARF_EH_FRAME
+#endif
+
+#endif /* __ASM_SH_VMLINUX_LDS_H */
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index 37a3b7704fc6..f2245ebf0b31 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -33,6 +33,7 @@ obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
obj-$(CONFIG_DUMP_CODE) += disassemble.o
obj-$(CONFIG_HIBERNATION) += swsusp.o
+obj-$(CONFIG_DWARF_UNWINDER) += dwarf.o
obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) += localtimer.o
diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64
index 00b73e7598cb..639ee514266c 100644
--- a/arch/sh/kernel/Makefile_64
+++ b/arch/sh/kernel/Makefile_64
@@ -13,6 +13,7 @@ obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_IO_TRAPPED) += io_trapped.o
obj-$(CONFIG_GENERIC_GPIO) += gpio.o
+obj-$(CONFIG_DWARF_UNWINDER) += dwarf.o
obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) += localtimer.o
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
new file mode 100644
index 000000000000..09c6fd7fd05f
--- /dev/null
+++ b/arch/sh/kernel/dwarf.c
@@ -0,0 +1,876 @@
+/*
+ * Copyright (C) 2009 Matt Fleming <matt@console-pimps.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * This is an implementation of a DWARF unwinder. Its main purpose is
+ * for generating stacktrace information. Based on the DWARF 3
+ * specification from http://www.dwarfstd.org.
+ *
+ * TODO:
+ * - DWARF64 doesn't work.
+ */
+
+/* #define DEBUG */
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/list.h>
+#include <linux/mm.h>
+#include <asm/dwarf.h>
+#include <asm/unwinder.h>
+#include <asm/sections.h>
+#include <asm-generic/unaligned.h>
+#include <asm/dwarf.h>
+#include <asm/stacktrace.h>
+
+static LIST_HEAD(dwarf_cie_list);
+DEFINE_SPINLOCK(dwarf_cie_lock);
+
+static LIST_HEAD(dwarf_fde_list);
+DEFINE_SPINLOCK(dwarf_fde_lock);
+
+static struct dwarf_cie *cached_cie;
+
+/*
+ * Figure out whether we need to allocate some dwarf registers. If dwarf
+ * registers have already been allocated then we may need to realloc
+ * them. "reg" is a register number that we need to be able to access
+ * after this call.
+ *
+ * Register numbers start at zero, therefore we need to allocate space
+ * for "reg" + 1 registers.
+ */
+static void dwarf_frame_alloc_regs(struct dwarf_frame *frame,
+ unsigned int reg)
+{
+ struct dwarf_reg *regs;
+ unsigned int num_regs = reg + 1;
+ size_t new_size;
+ size_t old_size;
+
+ new_size = num_regs * sizeof(*regs);
+ old_size = frame->num_regs * sizeof(*regs);
+
+ /* Fast path: don't allocate any regs if we've already got enough. */
+ if (frame->num_regs >= num_regs)
+ return;
+
+ regs = kzalloc(new_size, GFP_KERNEL);
+ if (!regs) {
+ printk(KERN_WARNING "Unable to allocate DWARF registers\n");
+ /*
+ * Let's just bomb hard here, we have no way to
+ * gracefully recover.
+ */
+ BUG();
+ }
+
+ if (frame->regs) {
+ memcpy(regs, frame->regs, old_size);
+ kfree(frame->regs);
+ }
+
+ frame->regs = regs;
+ frame->num_regs = num_regs;
+}
+
+/**
+ * dwarf_read_addr - read dwarf data
+ * @src: source address of data
+ * @dst: destination address to store the data to
+ *
+ * Read 'n' bytes from @src, where 'n' is the size of an address on
+ * the native machine. We return the number of bytes read, which
+ * should always be 'n'. We also have to be careful when reading
+ * from @src and writing to @dst, because they can be arbitrarily
+ * aligned. Return 'n' - the number of bytes read.
+ */
+static inline int dwarf_read_addr(void *src, void *dst)
+{
+ u32 val = __get_unaligned_cpu32(src);
+ __put_unaligned_cpu32(val, dst);
+
+ return sizeof(unsigned long *);
+}
+
+/**
+ * dwarf_read_uleb128 - read unsigned LEB128 data
+ * @addr: the address where the ULEB128 data is stored
+ * @ret: address to store the result
+ *
+ * Decode an unsigned LEB128 encoded datum. The algorithm is taken
+ * from Appendix C of the DWARF 3 spec. For information on the
+ * encodings refer to section "7.6 - Variable Length Data". Return
+ * the number of bytes read.
+ */
+static inline unsigned long dwarf_read_uleb128(char *addr, unsigned int *ret)
+{
+ unsigned int result;
+ unsigned char byte;
+ int shift, count;
+
+ result = 0;
+ shift = 0;
+ count = 0;
+
+ while (1) {
+ byte = __raw_readb(addr);
+ addr++;
+ count++;
+
+ result |= (byte & 0x7f) << shift;
+ shift += 7;
+
+ if (!(byte & 0x80))
+ break;
+ }
+
+ *ret = result;
+
+ return count;
+}
+
+/**
+ * dwarf_read_leb128 - read signed LEB128 data
+ * @addr: the address of the LEB128 encoded data
+ * @ret: address to store the result
+ *
+ * Decode signed LEB128 data. The algorithm is taken from Appendix
+ * C of the DWARF 3 spec. Return the number of bytes read.
+ */
+static inline unsigned long dwarf_read_leb128(char *addr, int *ret)
+{
+ unsigned char byte;
+ int result, shift;
+ int num_bits;
+ int count;
+
+ result = 0;
+ shift = 0;
+ count = 0;
+
+ while (1) {
+ byte = __raw_readb(addr);
+ addr++;
+ result |= (byte & 0x7f) << shift;
+ shift += 7;
+ count++;
+
+ if (!(byte & 0x80))
+ break;
+ }
+
+ /* The number of bits in a signed integer. */
+ num_bits = 8 * sizeof(result);
+
+ if ((shift < num_bits) && (byte & 0x40))
+ result |= (-1 << shift);
+
+ *ret = result;
+
+ return count;
+}
+
+/**
+ * dwarf_read_encoded_value - return the decoded value at @addr
+ * @addr: the address of the encoded value
+ * @val: where to write the decoded value
+ * @encoding: the encoding with which we can decode @addr
+ *
+ * GCC emits encoded address in the .eh_frame FDE entries. Decode
+ * the value at @addr using @encoding. The decoded value is written
+ * to @val and the number of bytes read is returned.
+ */
+static int dwarf_read_encoded_value(char *addr, unsigned long *val,
+ char encoding)
+{
+ unsigned long decoded_addr = 0;
+ int count = 0;
+
+ switch (encoding & 0x70) {
+ case DW_EH_PE_absptr:
+ break;
+ case DW_EH_PE_pcrel:
+ decoded_addr = (unsigned long)addr;
+ break;
+ default:
+ pr_debug("encoding=0x%x\n", (encoding & 0x70));
+ BUG();
+ }
+
+ if ((encoding & 0x07) == 0x00)
+ encoding |= DW_EH_PE_udata4;
+
+ switch (encoding & 0x0f) {
+ case DW_EH_PE_sdata4:
+ case DW_EH_PE_udata4:
+ count += 4;
+ decoded_addr += __get_unaligned_cpu32(addr);
+ __raw_writel(decoded_addr, val);
+ break;
+ default:
+ pr_debug("encoding=0x%x\n", encoding);
+ BUG();
+ }
+
+ return count;
+}
+
+/**
+ * dwarf_entry_len - return the length of an FDE or CIE
+ * @addr: the address of the entry
+ * @len: the length of the entry
+ *
+ * Read the initial_length field of the entry and store the size of
+ * the entry in @len. We return the number of bytes read. Return a
+ * count of 0 on error.
+ */
+static inline int dwarf_entry_len(char *addr, unsigned long *len)
+{
+ u32 initial_len;
+ int count;
+
+ initial_len = __get_unaligned_cpu32(addr);
+ count = 4;
+
+ /*
+ * An initial length field value in the range DW_LEN_EXT_LO -
+ * DW_LEN_EXT_HI indicates an extension, and should not be
+ * interpreted as a length. The only extension that we currently
+ * understand is the use of DWARF64 addresses.
+ */
+ if (initial_len >= DW_EXT_LO && initial_len <= DW_EXT_HI) {
+ /*
+ * The 64-bit length field immediately follows the
+ * compulsory 32-bit length field.
+ */
+ if (initial_len == DW_EXT_DWARF64) {
+ *len = __get_unaligned_cpu64(addr + 4);
+ count = 12;
+ } else {
+ printk(KERN_WARNING "Unknown DWARF extension\n");
+ count = 0;
+ }
+ } else
+ *len = initial_len;
+
+ return count;
+}
+
+/**
+ * dwarf_lookup_cie - locate the cie
+ * @cie_ptr: pointer to help with lookup
+ */
+static struct dwarf_cie *dwarf_lookup_cie(unsigned long cie_ptr)
+{
+ struct dwarf_cie *cie, *n;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dwarf_cie_lock, flags);
+
+ /*
+ * We've cached the last CIE we looked up because chances are
+ * that the FDE wants this CIE.
+ */
+ if (cached_cie && cached_cie->cie_pointer == cie_ptr) {
+ cie = cached_cie;
+ goto out;
+ }
+
+ list_for_each_entry_safe(cie, n, &dwarf_cie_list, link) {
+ if (cie->cie_pointer == cie_ptr) {
+ cached_cie = cie;
+ break;
+ }
+ }
+
+ /* Couldn't find the entry in the list. */
+ if (&cie->link == &dwarf_cie_list)
+ cie = NULL;
+out:
+ spin_unlock_irqrestore(&dwarf_cie_lock, flags);
+ return cie;
+}
+
+/**
+ * dwarf_lookup_fde - locate the FDE that covers pc
+ * @pc: the program counter
+ */
+struct dwarf_fde *dwarf_lookup_fde(unsigned long pc)
+{
+ unsigned long flags;
+ struct dwarf_fde *fde, *n;
+
+ spin_lock_irqsave(&dwarf_fde_lock, flags);
+ list_for_each_entry_safe(fde, n, &dwarf_fde_list, link) {
+ unsigned long start, end;
+
+ start = fde->initial_location;
+ end = fde->initial_location + fde->address_range;
+
+ if (pc >= start && pc < end)
+ break;
+ }
+
+ /* Couldn't find the entry in the list. */
+ if (&fde->link == &dwarf_fde_list)
+ fde = NULL;
+
+ spin_unlock_irqrestore(&dwarf_fde_lock, flags);
+
+ return fde;
+}
+
+/**
+ * dwarf_cfa_execute_insns - execute instructions to calculate a CFA
+ * @insn_start: address of the first instruction
+ * @insn_end: address of the last instruction
+ * @cie: the CIE for this function
+ * @fde: the FDE for this function
+ * @frame: the instructions calculate the CFA for this frame
+ * @pc: the program counter of the address we're interested in
+ *
+ * Execute the Call Frame instruction sequence starting at
+ * @insn_start and ending at @insn_end. The instructions describe
+ * how to calculate the Canonical Frame Address of a stackframe.
+ * Store the results in @frame.
+ */
+static int dwarf_cfa_execute_insns(unsigned char *insn_start,
+ unsigned char *insn_end,
+ struct dwarf_cie *cie,
+ struct dwarf_fde *fde,
+ struct dwarf_frame *frame,
+ unsigned long pc)
+{
+ unsigned char insn;
+ unsigned char *current_insn;
+ unsigned int count, delta, reg, expr_len, offset;
+
+ current_insn = insn_start;
+
+ while (current_insn < insn_end && frame->pc <= pc) {
+ insn = __raw_readb(current_insn++);
+
+ /*
+ * Firstly, handle the opcodes that embed their operands
+ * in the instructions.
+ */
+ switch (DW_CFA_opcode(insn)) {
+ case DW_CFA_advance_loc:
+ delta = DW_CFA_operand(insn);
+ delta *= cie->code_alignment_factor;
+ frame->pc += delta;
+ continue;
+ /* NOTREACHED */
+ case DW_CFA_offset:
+ reg = DW_CFA_operand(insn);
+ count = dwarf_read_uleb128(current_insn, &offset);
+ current_insn += count;
+ offset *= cie->data_alignment_factor;
+ dwarf_frame_alloc_regs(frame, reg);
+ frame->regs[reg].addr = offset;
+ frame->regs[reg].flags |= DWARF_REG_OFFSET;
+ continue;
+ /* NOTREACHED */
+ case DW_CFA_restore:
+ reg = DW_CFA_operand(insn);
+ continue;
+ /* NOTREACHED */
+ }
+
+ /*
+ * Secondly, handle the opcodes that don't embed their
+ * operands in the instruction.
+ */
+ switch (insn) {
+ case DW_CFA_nop:
+ continue;
+ case DW_CFA_advance_loc1:
+ delta = *current_insn++;
+ frame->pc += delta * cie->code_alignment_factor;
+ break;
+ case DW_CFA_advance_loc2:
+ delta = __get_unaligned_cpu16(current_insn);
+ current_insn += 2;
+ frame->pc += delta * cie->code_alignment_factor;
+ break;
+ case DW_CFA_advance_loc4:
+ delta = __get_unaligned_cpu32(current_insn);
+ current_insn += 4;
+ frame->pc += delta * cie->code_alignment_factor;
+ break;
+ case DW_CFA_offset_extended:
+ count = dwarf_read_uleb128(current_insn, ®);
+ current_insn += count;
+ count = dwarf_read_uleb128(current_insn, &offset);
+ current_insn += count;
+ offset *= cie->data_alignment_factor;
+ break;
+ case DW_CFA_restore_extended:
+ count = dwarf_read_uleb128(current_insn, ®);
+ current_insn += count;
+ break;
+ case DW_CFA_undefined:
+ count = dwarf_read_uleb128(current_insn, ®);
+ current_insn += count;
+ break;
+ case DW_CFA_def_cfa:
+ count = dwarf_read_uleb128(current_insn,
+ &frame->cfa_register);
+ current_insn += count;
+ count = dwarf_read_uleb128(current_insn,
+ &frame->cfa_offset);
+ current_insn += count;
+
+ frame->flags |= DWARF_FRAME_CFA_REG_OFFSET;
+ break;
+ case DW_CFA_def_cfa_register:
+ count = dwarf_read_uleb128(current_insn,
+ &frame->cfa_register);
+ current_insn += count;
+ frame->flags |= DWARF_FRAME_CFA_REG_OFFSET;
+ break;
+ case DW_CFA_def_cfa_offset:
+ count = dwarf_read_uleb128(current_insn, &offset);
+ current_insn += count;
+ frame->cfa_offset = offset;
+ break;
+ case DW_CFA_def_cfa_expression:
+ count = dwarf_read_uleb128(current_insn, &expr_len);
+ current_insn += count;
+
+ frame->cfa_expr = current_insn;
+ frame->cfa_expr_len = expr_len;
+ current_insn += expr_len;
+
+ frame->flags |= DWARF_FRAME_CFA_REG_EXP;
+ break;
+ case DW_CFA_offset_extended_sf:
+ count = dwarf_read_uleb128(current_insn, ®);
+ current_insn += count;
+ count = dwarf_read_leb128(current_insn, &offset);
+ current_insn += count;
+ offset *= cie->data_alignment_factor;
+ dwarf_frame_alloc_regs(frame, reg);
+ frame->regs[reg].flags |= DWARF_REG_OFFSET;
+ frame->regs[reg].addr = offset;
+ break;
+ case DW_CFA_val_offset:
+ count = dwarf_read_uleb128(current_insn, ®);
+ current_insn += count;
+ count = dwarf_read_leb128(current_insn, &offset);
+ offset *= cie->data_alignment_factor;
+ frame->regs[reg].flags |= DWARF_REG_OFFSET;
+ frame->regs[reg].addr = offset;
+ break;
+ default:
+ pr_debug("unhandled DWARF instruction 0x%x\n", insn);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * dwarf_unwind_stack - recursively unwind the stack
+ * @pc: address of the function to unwind
+ * @prev: struct dwarf_frame of the previous stackframe on the callstack
+ *
+ * Return a struct dwarf_frame representing the most recent frame
+ * on the callstack. Each of the lower (older) stack frames are
+ * linked via the "prev" member.
+ */
+struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
+ struct dwarf_frame *prev)
+{
+ struct dwarf_frame *frame;
+ struct dwarf_cie *cie;
+ struct dwarf_fde *fde;
+ unsigned long addr;
+ int i, offset;
+
+ /*
+ * If this is the first invocation of this recursive function we
+ * need get the contents of a physical register to get the CFA
+ * in order to begin the virtual unwinding of the stack.
+ *
+ * The constant DWARF_ARCH_UNWIND_OFFSET is added to the address of
+ * this function because the return address register
+ * (DWARF_ARCH_RA_REG) will probably not be initialised until a
+ * few instructions into the prologue.
+ */
+ if (!pc && !prev) {
+ pc = (unsigned long)&dwarf_unwind_stack;
+ pc += DWARF_ARCH_UNWIND_OFFSET;
+ }
+
+ frame = kzalloc(sizeof(*frame), GFP_KERNEL);
+ if (!frame)
+ return NULL;
+
+ frame->prev = prev;
+
+ fde = dwarf_lookup_fde(pc);
+ if (!fde) {
+ /*
+ * This is our normal exit path - the one that stops the
+ * recursion. There's two reasons why we might exit
+ * here,
+ *
+ * a) pc has no asscociated DWARF frame info and so
+ * we don't know how to unwind this frame. This is
+ * usually the case when we're trying to unwind a
+ * frame that was called from some assembly code
+ * that has no DWARF info, e.g. syscalls.
+ *
+ * b) the DEBUG info for pc is bogus. There's
+ * really no way to distinguish this case from the
+ * case above, which sucks because we could print a
+ * warning here.
+ */
+ return NULL;
+ }
+
+ cie = dwarf_lookup_cie(fde->cie_pointer);
+
+ frame->pc = fde->initial_location;
+
+ /* CIE initial instructions */
+ dwarf_cfa_execute_insns(cie->initial_instructions,
+ cie->instructions_end, cie, fde, frame, pc);
+
+ /* FDE instructions */
+ dwarf_cfa_execute_insns(fde->instructions, fde->end, cie,
+ fde, frame, pc);
+
+ /* Calculate the CFA */
+ switch (frame->flags) {
+ case DWARF_FRAME_CFA_REG_OFFSET:
+ if (prev) {
+ BUG_ON(!prev->regs[frame->cfa_register].flags);
+
+ addr = prev->cfa;
+ addr += prev->regs[frame->cfa_register].addr;
+ frame->cfa = __raw_readl(addr);
+
+ } else {
+ /*
+ * Again, this is the first invocation of this
+ * recurisve function. We need to physically
+ * read the contents of a register in order to
+ * get the Canonical Frame Address for this
+ * function.
+ */
+ frame->cfa = dwarf_read_arch_reg(frame->cfa_register);
+ }
+
+ frame->cfa += frame->cfa_offset;
+ break;
+ default:
+ BUG();
+ }
+
+ /* If we haven't seen the return address reg, we're screwed. */
+ BUG_ON(!frame->regs[DWARF_ARCH_RA_REG].flags);
+
+ for (i = 0; i <= frame->num_regs; i++) {
+ struct dwarf_reg *reg = &frame->regs[i];
+
+ if (!reg->flags)
+ continue;
+
+ offset = reg->addr;
+ offset += frame->cfa;
+ }
+
+ addr = frame->cfa + frame->regs[DWARF_ARCH_RA_REG].addr;
+ frame->return_addr = __raw_readl(addr);
+
+ frame->next = dwarf_unwind_stack(frame->return_addr, frame);
+ return frame;
+}
+
+static int dwarf_parse_cie(void *entry, void *p, unsigned long len,
+ unsigned char *end)
+{
+ struct dwarf_cie *cie;
+ unsigned long flags;
+ int count;
+
+ cie = kzalloc(sizeof(*cie), GFP_KERNEL);
+ if (!cie)
+ return -ENOMEM;
+
+ cie->length = len;
+
+ /*
+ * Record the offset into the .eh_frame section
+ * for this CIE. It allows this CIE to be
+ * quickly and easily looked up from the
+ * corresponding FDE.
+ */
+ cie->cie_pointer = (unsigned long)entry;
+
+ cie->version = *(char *)p++;
+ BUG_ON(cie->version != 1);
+
+ cie->augmentation = p;
+ p += strlen(cie->augmentation) + 1;
+
+ count = dwarf_read_uleb128(p, &cie->code_alignment_factor);
+ p += count;
+
+ count = dwarf_read_leb128(p, &cie->data_alignment_factor);
+ p += count;
+
+ /*
+ * Which column in the rule table contains the
+ * return address?
+ */
+ if (cie->version == 1) {
+ cie->return_address_reg = __raw_readb(p);
+ p++;
+ } else {
+ count = dwarf_read_uleb128(p, &cie->return_address_reg);
+ p += count;
+ }
+
+ if (cie->augmentation[0] == 'z') {
+ unsigned int length, count;
+ cie->flags |= DWARF_CIE_Z_AUGMENTATION;
+
+ count = dwarf_read_uleb128(p, &length);
+ p += count;
+
+ BUG_ON((unsigned char *)p > end);
+
+ cie->initial_instructions = p + length;
+ cie->augmentation++;
+ }
+
+ while (*cie->augmentation) {
+ /*
+ * "L" indicates a byte showing how the
+ * LSDA pointer is encoded. Skip it.
+ */
+ if (*cie->augmentation == 'L') {
+ p++;
+ cie->augmentation++;
+ } else if (*cie->augmentation == 'R') {
+ /*
+ * "R" indicates a byte showing
+ * how FDE addresses are
+ * encoded.
+ */
+ cie->encoding = *(char *)p++;
+ cie->augmentation++;
+ } else if (*cie->augmentation == 'P') {
+ /*
+ * "R" indicates a personality
+ * routine in the CIE
+ * augmentation.
+ */
+ BUG();
+ } else if (*cie->augmentation == 'S') {
+ BUG();
+ } else {
+ /*
+ * Unknown augmentation. Assume
+ * 'z' augmentation.
+ */
+ p = cie->initial_instructions;
+ BUG_ON(!p);
+ break;
+ }
+ }
+
+ cie->initial_instructions = p;
+ cie->instructions_end = end;
+
+ /* Add to list */
+ spin_lock_irqsave(&dwarf_cie_lock, flags);
+ list_add_tail(&cie->link, &dwarf_cie_list);
+ spin_unlock_irqrestore(&dwarf_cie_lock, flags);
+
+ return 0;
+}
+
+static int dwarf_parse_fde(void *entry, u32 entry_type,
+ void *start, unsigned long len)
+{
+ struct dwarf_fde *fde;
+ struct dwarf_cie *cie;
+ unsigned long flags;
+ int count;
+ void *p = start;
+
+ fde = kzalloc(sizeof(*fde), GFP_KERNEL);
+ if (!fde)
+ return -ENOMEM;
+
+ fde->length = len;
+
+ /*
+ * In a .eh_frame section the CIE pointer is the
+ * delta between the address within the FDE
+ */
+ fde->cie_pointer = (unsigned long)(p - entry_type - 4);
+
+ cie = dwarf_lookup_cie(fde->cie_pointer);
+ fde->cie = cie;
+
+ if (cie->encoding)
+ count = dwarf_read_encoded_value(p, &fde->initial_location,
+ cie->encoding);
+ else
+ count = dwarf_read_addr(p, &fde->initial_location);
+
+ p += count;
+
+ if (cie->encoding)
+ count = dwarf_read_encoded_value(p, &fde->address_range,
+ cie->encoding & 0x0f);
+ else
+ count = dwarf_read_addr(p, &fde->address_range);
+
+ p += count;
+
+ if (fde->cie->flags & DWARF_CIE_Z_AUGMENTATION) {
+ unsigned int length;
+ count = dwarf_read_uleb128(p, &length);
+ p += count + length;
+ }
+
+ /* Call frame instructions. */
+ fde->instructions = p;
+ fde->end = start + len;
+
+ /* Add to list. */
+ spin_lock_irqsave(&dwarf_fde_lock, flags);
+ list_add_tail(&fde->link, &dwarf_fde_list);
+ spin_unlock_irqrestore(&dwarf_fde_lock, flags);
+
+ return 0;
+}
+
+static void dwarf_unwinder_dump(struct task_struct *task, struct pt_regs *regs,
+ unsigned long *sp,
+ const struct stacktrace_ops *ops, void *data)
+{
+ struct dwarf_frame *frame;
+
+ frame = dwarf_unwind_stack(0, NULL);
+
+ while (frame && frame->return_addr) {
+ ops->address(data, frame->return_addr, 1);
+ frame = frame->next;
+ }
+}
+
+static struct unwinder dwarf_unwinder = {
+ .name = "dwarf-unwinder",
+ .dump = dwarf_unwinder_dump,
+ .rating = 150,
+};
+
+static void dwarf_unwinder_cleanup(void)
+{
+ struct dwarf_cie *cie, *m;
+ struct dwarf_fde *fde, *n;
+ unsigned long flags;
+
+ /*
+ * Deallocate all the memory allocated for the DWARF unwinder.
+ * Traverse all the FDE/CIE lists and remove and free all the
+ * memory associated with those data structures.
+ */
+ spin_lock_irqsave(&dwarf_cie_lock, flags);
+ list_for_each_entry_safe(cie, m, &dwarf_cie_list, link)
+ kfree(cie);
+ spin_unlock_irqrestore(&dwarf_cie_lock, flags);
+
+ spin_lock_irqsave(&dwarf_fde_lock, flags);
+ list_for_each_entry_safe(fde, n, &dwarf_fde_list, link)
+ kfree(fde);
+ spin_unlock_irqrestore(&dwarf_fde_lock, flags);
+}
+
+/**
+ * dwarf_unwinder_init - initialise the dwarf unwinder
+ *
+ * Build the data structures describing the .dwarf_frame section to
+ * make it easier to lookup CIE and FDE entries. Because the
+ * .eh_frame section is packed as tightly as possible it is not
+ * easy to lookup the FDE for a given PC, so we build a list of FDE
+ * and CIE entries that make it easier.
+ */
+void dwarf_unwinder_init(void)
+{
+ u32 entry_type;
+ void *p, *entry;
+ int count, err;
+ unsigned long len;
+ unsigned int c_entries, f_entries;
+ unsigned char *end;
+ INIT_LIST_HEAD(&dwarf_cie_list);
+ INIT_LIST_HEAD(&dwarf_fde_list);
+
+ c_entries = 0;
+ f_entries = 0;
+ entry = &__start_eh_frame;
+
+ while ((char *)entry < __stop_eh_frame) {
+ p = entry;
+
+ count = dwarf_entry_len(p, &len);
+ if (count == 0) {
+ /*
+ * We read a bogus length field value. There is
+ * nothing we can do here apart from disabling
+ * the DWARF unwinder. We can't even skip this
+ * entry and move to the next one because 'len'
+ * tells us where our next entry is.
+ */
+ goto out;
+ } else
+ p += count;
+
+ /* initial length does not include itself */
+ end = p + len;
+
+ entry_type = __get_unaligned_cpu32(p);
+ p += 4;
+
+ if (entry_type == DW_EH_FRAME_CIE) {
+ err = dwarf_parse_cie(entry, p, len, end);
+ if (err < 0)
+ goto out;
+ else
+ c_entries++;
+ } else {
+ err = dwarf_parse_fde(entry, entry_type, p, len);
+ if (err < 0)
+ goto out;
+ else
+ f_entries++;
+ }
+
+ entry = (char *)entry + len + 4;
+ }
+
+ printk(KERN_INFO "DWARF unwinder initialised: read %u CIEs, %u FDEs\n",
+ c_entries, f_entries);
+
+ err = unwinder_register(&dwarf_unwinder);
+ if (err)
+ goto out;
+
+ return;
+
+out:
+ printk(KERN_ERR "Failed to initialise DWARF unwinder: %d\n", err);
+ dwarf_unwinder_cleanup();
+}
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 278c68c60488..2bb43dc74f22 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -14,6 +14,7 @@
#include <asm/processor.h>
#include <asm/machvec.h>
#include <asm/uaccess.h>
+#include <asm/dwarf.h>
#include <asm/thread_info.h>
#include <cpu/mmu_context.h>
@@ -261,6 +262,9 @@ void __init init_IRQ(void)
sh_mv.mv_init_irq();
irq_ctx_init(smp_processor_id());
+
+ /* This needs to be early, but not too early.. */
+ dwarf_unwinder_init();
}
#ifdef CONFIG_SPARSE_IRQ
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index 80dc9f8d9412..1b7d9d541e01 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -12,7 +12,7 @@ OUTPUT_ARCH(sh)
#include <asm/thread_info.h>
#include <asm/cache.h>
-#include <asm-generic/vmlinux.lds.h>
+#include <asm/vmlinux.lds.h>
ENTRY(_start)
SECTIONS
@@ -70,6 +70,8 @@ SECTIONS
_edata = .; /* End of data section */
+ DWARF_EH_FRAME
+
. = ALIGN(PAGE_SIZE); /* Init code and data */
__init_begin = .;
INIT_TEXT_SECTION(PAGE_SIZE)
--
GitLab
From 0b930489b8606224b829c8a6037eac24249a97ec Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sun, 2 Aug 2009 22:33:26 +0100
Subject: [PATCH 127/742] sh: Setup the frame register in asm code
In order to use DWARF unwinder info the frame register has to contain a
valid value. Whilst GCC takes care of this for C code, we have to do it
ourselves for assembly.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/entry-macros.S | 12 ++++++++++++
arch/sh/kernel/cpu/sh3/entry.S | 1 +
arch/sh/kernel/entry-common.S | 1 +
3 files changed, 14 insertions(+)
diff --git a/arch/sh/include/asm/entry-macros.S b/arch/sh/include/asm/entry-macros.S
index 1bdd93891cd7..64fd0de24daf 100644
--- a/arch/sh/include/asm/entry-macros.S
+++ b/arch/sh/include/asm/entry-macros.S
@@ -108,3 +108,15 @@
#else
# define PREF(x) nop
#endif
+
+ /*
+ * Macro for use within assembly. Because the DWARF unwinder
+ * needs to use the frame register to unwind the stack, we
+ * need to setup r14 with the value of the stack pointer as
+ * the return address is usually on the stack somewhere.
+ */
+ .macro setup_frame_reg
+#ifdef CONFIG_DWARF_UNWINDER
+ mov r15, r14
+#endif
+ .endm
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index 3cb531f233f2..67ad6467c694 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -137,6 +137,7 @@ ENTRY(tlb_protection_violation_store)
mov #1, r5
call_dpf:
+ setup_frame_reg
mov.l 1f, r0
mov r5, r8
mov.l @r0, r6
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index fc26ccd82789..b3b215fb21f7 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -285,6 +285,7 @@ ret_from_fork:
* system calls and debug traps through their respective jump tables.
*/
ENTRY(system_call)
+ setup_frame_reg
#if !defined(CONFIG_CPU_SH2)
mov.l 1f, r9
mov.l @r9, r8 ! Read from TRA (Trap Address) Register
--
GitLab
From cafb0ddac60556f7d2d4cd0ef1a93da8a6c71ffb Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sun, 2 Aug 2009 22:40:11 +0100
Subject: [PATCH 128/742] sh: Add CFI annotations for exception return.
Annotate various assembly code paths with CFI assembler directives so
that DWARF unwind info is available for the unwinder.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/entry-common.S | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index b3b215fb21f7..e63178fefb9b 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -43,6 +43,7 @@
* syscall #
*
*/
+#include <asm/dwarf.h>
#if defined(CONFIG_PREEMPT)
# define preempt_stop() cli ; TRACE_IRQS_OFF
@@ -66,6 +67,11 @@ ENTRY(exception_error)
.align 2
ret_from_exception:
+ CFI_STARTPROC simple
+ CFI_DEF_CFA r14, 0
+ CFI_REL_OFFSET 17, 64
+ CFI_REL_OFFSET 15, 0
+ CFI_REL_OFFSET 14, 56
preempt_stop()
ENTRY(ret_from_irq)
!
@@ -240,6 +246,7 @@ debug_trap:
nop
bra __restore_all
nop
+ CFI_ENDPROC
.align 2
1: .long debug_trap_table
--
GitLab
From 3497447f15485b479366ec86effaac16fc82411b Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 14 Aug 2009 02:10:59 +0900
Subject: [PATCH 129/742] sh: unwinder: Fix up usage of unaligned accessors.
This was using internal symbols for unaligned accesses, bypassing the
exposed interface for variable sized safe accesses. This converts all of
the __get_unaligned_cpuXX() users over to get_unaligned() directly,
relying on the cast to select the proper internal routine.
Additionally, the __put_unaligned_cpuXX() case is superfluous given that
the destination address is aligned in all of the current cases, so just
drop that outright.
Furthermore, this switches to the asm/unaligned.h header instead of the
asm-generic version, which was silently bypassing the SH-4A optimized
unaligned ops.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/dwarf.c | 20 +++++++++-----------
1 file changed, 9 insertions(+), 11 deletions(-)
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 09c6fd7fd05f..d1d8536e5ba3 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -21,7 +21,7 @@
#include <asm/dwarf.h>
#include <asm/unwinder.h>
#include <asm/sections.h>
-#include <asm-generic/unaligned.h>
+#include <asm/unaligned.h>
#include <asm/dwarf.h>
#include <asm/stacktrace.h>
@@ -87,11 +87,9 @@ static void dwarf_frame_alloc_regs(struct dwarf_frame *frame,
* from @src and writing to @dst, because they can be arbitrarily
* aligned. Return 'n' - the number of bytes read.
*/
-static inline int dwarf_read_addr(void *src, void *dst)
+static inline int dwarf_read_addr(unsigned long *src, unsigned long *dst)
{
- u32 val = __get_unaligned_cpu32(src);
- __put_unaligned_cpu32(val, dst);
-
+ *dst = get_unaligned(src);
return sizeof(unsigned long *);
}
@@ -207,7 +205,7 @@ static int dwarf_read_encoded_value(char *addr, unsigned long *val,
case DW_EH_PE_sdata4:
case DW_EH_PE_udata4:
count += 4;
- decoded_addr += __get_unaligned_cpu32(addr);
+ decoded_addr += get_unaligned((u32 *)addr);
__raw_writel(decoded_addr, val);
break;
default:
@@ -232,7 +230,7 @@ static inline int dwarf_entry_len(char *addr, unsigned long *len)
u32 initial_len;
int count;
- initial_len = __get_unaligned_cpu32(addr);
+ initial_len = get_unaligned((u32 *)addr);
count = 4;
/*
@@ -247,7 +245,7 @@ static inline int dwarf_entry_len(char *addr, unsigned long *len)
* compulsory 32-bit length field.
*/
if (initial_len == DW_EXT_DWARF64) {
- *len = __get_unaligned_cpu64(addr + 4);
+ *len = get_unaligned((u64 *)addr + 4);
count = 12;
} else {
printk(KERN_WARNING "Unknown DWARF extension\n");
@@ -392,12 +390,12 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
frame->pc += delta * cie->code_alignment_factor;
break;
case DW_CFA_advance_loc2:
- delta = __get_unaligned_cpu16(current_insn);
+ delta = get_unaligned((u16 *)current_insn);
current_insn += 2;
frame->pc += delta * cie->code_alignment_factor;
break;
case DW_CFA_advance_loc4:
- delta = __get_unaligned_cpu32(current_insn);
+ delta = get_unaligned((u32 *)current_insn);
current_insn += 4;
frame->pc += delta * cie->code_alignment_factor;
break;
@@ -841,7 +839,7 @@ void dwarf_unwinder_init(void)
/* initial length does not include itself */
end = p + len;
- entry_type = __get_unaligned_cpu32(p);
+ entry_type = get_unaligned((u32 *)p);
p += 4;
if (entry_type == DW_EH_FRAME_CIE) {
--
GitLab
From bf43a160ff2d67a21b076286bab6f5e2c993bd0a Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 14 Aug 2009 03:06:13 +0900
Subject: [PATCH 130/742] sh: unwinder: Restore put_unaligned() for an
unaligned destination.
The destination address might be unaligned, so set it with
put_unaligned() for safety. This restores the previous behaviour, albeit
through the proper API.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/dwarf.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index d1d8536e5ba3..49d039f19426 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -89,7 +89,8 @@ static void dwarf_frame_alloc_regs(struct dwarf_frame *frame,
*/
static inline int dwarf_read_addr(unsigned long *src, unsigned long *dst)
{
- *dst = get_unaligned(src);
+ u32 val = get_unaligned(src);
+ put_unaligned(val, dst);
return sizeof(unsigned long *);
}
--
GitLab
From f54aab4a7486fb7947d6d746f3423f67676811c8 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 14 Aug 2009 04:59:50 +0900
Subject: [PATCH 131/742] sh: oprofile: Kill off dead valid_kernel_stack().
This is no longer used, kill it off.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/oprofile/backtrace.c | 27 ---------------------------
1 file changed, 27 deletions(-)
diff --git a/arch/sh/oprofile/backtrace.c b/arch/sh/oprofile/backtrace.c
index 37cd75d7930e..2bc74de23f08 100644
--- a/arch/sh/oprofile/backtrace.c
+++ b/arch/sh/oprofile/backtrace.c
@@ -81,33 +81,6 @@ user_backtrace(unsigned long *stackaddr, struct pt_regs *regs)
return stackaddr;
}
-/*
- * | | /\ Higher addresses
- * | |
- * --------------- stack base (address of current_thread_info)
- * | thread info |
- * . .
- * | stack |
- * --------------- saved regs->regs[15] value if valid
- * . .
- * --------------- struct pt_regs stored on stack (struct pt_regs *)
- * | |
- * . .
- * | |
- * --------------- ???
- * | |
- * | | \/ Lower addresses
- *
- * Thus, &pt_regs <-> stack base restricts the valid(ish) fp values
- */
-static int valid_kernel_stack(unsigned long *stackaddr, struct pt_regs *regs)
-{
- unsigned long stack = (unsigned long)regs;
- unsigned long stack_base = (stack & ~(THREAD_SIZE - 1)) + THREAD_SIZE;
-
- return ((unsigned long)stackaddr > stack) && ((unsigned long)stackaddr < stack_base);
-}
-
void sh_backtrace(struct pt_regs * const regs, unsigned int depth)
{
unsigned long *stackaddr;
--
GitLab
From f826466772ae52f26152287fcb2259351de78f0f Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Thu, 13 Aug 2009 20:41:31 +0100
Subject: [PATCH 132/742] sh: Delete DWARF_ARCH_UNWIND_OFFSET
Trying to figure out the best value for DWARF_ARCH_UNWIND_OFFSET is
tricky at best. Various things can change the size (and offset from the
beginning of the function) of the prologue. Notably, turning on ftrace
adds calls to mcount at the beginning of functions, thereby pushing the
prologue further into the function.
So replace DWARF_ARCH_UNWIND_OFFSET with some code that continues to
execute CFA instructions until the value of return address register is
defined. This is safe to do because we know that the return address must
have been pushed onto the frame before our first function call; we just
can't figure out where at compile-time.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/dwarf.h | 5 -----
arch/sh/kernel/dwarf.c | 44 +++++++++++++++++++++++++++++--------
2 files changed, 35 insertions(+), 14 deletions(-)
diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h
index 23eba12880b3..60b180728d8d 100644
--- a/arch/sh/include/asm/dwarf.h
+++ b/arch/sh/include/asm/dwarf.h
@@ -193,11 +193,6 @@
*/
#define DWARF_ARCH_RA_REG 17
-/*
- * At what offset into dwarf_unwind_stack() is DWARF_ARCH_RA_REG setup?
- */
-#define DWARF_ARCH_UNWIND_OFFSET 0x20
-
#ifndef __ASSEMBLY__
/*
* Read either the frame pointer (r14) or the stack pointer (r15).
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 49d039f19426..83f3cc92549f 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -330,6 +330,7 @@ struct dwarf_fde *dwarf_lookup_fde(unsigned long pc)
* @fde: the FDE for this function
* @frame: the instructions calculate the CFA for this frame
* @pc: the program counter of the address we're interested in
+ * @define_ra: keep executing insns until the return addr reg is defined?
*
* Execute the Call Frame instruction sequence starting at
* @insn_start and ending at @insn_end. The instructions describe
@@ -341,17 +342,36 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
struct dwarf_cie *cie,
struct dwarf_fde *fde,
struct dwarf_frame *frame,
- unsigned long pc)
+ unsigned long pc,
+ bool define_ra)
{
unsigned char insn;
unsigned char *current_insn;
unsigned int count, delta, reg, expr_len, offset;
+ bool seen_ra_reg;
current_insn = insn_start;
- while (current_insn < insn_end && frame->pc <= pc) {
+ /*
+ * If we're executing instructions for the dwarf_unwind_stack()
+ * FDE we need to keep executing instructions until the value of
+ * DWARF_ARCH_RA_REG is defined. See the comment in
+ * dwarf_unwind_stack() for more details.
+ */
+ if (define_ra)
+ seen_ra_reg = false;
+ else
+ seen_ra_reg = true;
+
+ while (current_insn < insn_end && (frame->pc <= pc || !seen_ra_reg) ) {
insn = __raw_readb(current_insn++);
+ if (!seen_ra_reg) {
+ if (frame->num_regs >= DWARF_ARCH_RA_REG &&
+ frame->regs[DWARF_ARCH_RA_REG].flags)
+ seen_ra_reg = true;
+ }
+
/*
* Firstly, handle the opcodes that embed their operands
* in the instructions.
@@ -490,20 +510,25 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
struct dwarf_fde *fde;
unsigned long addr;
int i, offset;
+ bool define_ra = false;
/*
* If this is the first invocation of this recursive function we
* need get the contents of a physical register to get the CFA
* in order to begin the virtual unwinding of the stack.
*
- * The constant DWARF_ARCH_UNWIND_OFFSET is added to the address of
- * this function because the return address register
- * (DWARF_ARCH_RA_REG) will probably not be initialised until a
- * few instructions into the prologue.
+ * Setting "define_ra" to true indictates that we want
+ * dwarf_cfa_execute_insns() to continue executing instructions
+ * until we know how to calculate the value of DWARF_ARCH_RA_REG
+ * (which we need in order to kick off the whole unwinding
+ * process).
+ *
+ * NOTE: the return address is guaranteed to be setup by the
+ * time this function makes its first function call.
*/
if (!pc && !prev) {
pc = (unsigned long)&dwarf_unwind_stack;
- pc += DWARF_ARCH_UNWIND_OFFSET;
+ define_ra = true;
}
frame = kzalloc(sizeof(*frame), GFP_KERNEL);
@@ -539,11 +564,12 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
/* CIE initial instructions */
dwarf_cfa_execute_insns(cie->initial_instructions,
- cie->instructions_end, cie, fde, frame, pc);
+ cie->instructions_end, cie, fde,
+ frame, pc, false);
/* FDE instructions */
dwarf_cfa_execute_insns(fde->instructions, fde->end, cie,
- fde, frame, pc);
+ fde, frame, pc, define_ra);
/* Calculate the CFA */
switch (frame->flags) {
--
GitLab
From 0fc11e3618bb1f9e0640127ec84f5d2690fa3894 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 14 Aug 2009 23:58:37 +0900
Subject: [PATCH 133/742] sh: unwinder: Convert frame allocations to
GFP_ATOMIC.
save_stack_trace_tsk() and friends can be called from atomic context (as
triggered by latencytop), and subsequently hit two problematic allocation
points that were using GFP_KERNEL (these were dwarf_unwind_stack() and
dwarf_frame_alloc_regs()). Convert these over to GFP_ATOMIC and get
latencytop working with the DWARF unwinder.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/dwarf.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 83f3cc92549f..db021361b161 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -57,7 +57,7 @@ static void dwarf_frame_alloc_regs(struct dwarf_frame *frame,
if (frame->num_regs >= num_regs)
return;
- regs = kzalloc(new_size, GFP_KERNEL);
+ regs = kzalloc(new_size, GFP_ATOMIC);
if (!regs) {
printk(KERN_WARNING "Unable to allocate DWARF registers\n");
/*
@@ -531,7 +531,7 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
define_ra = true;
}
- frame = kzalloc(sizeof(*frame), GFP_KERNEL);
+ frame = kzalloc(sizeof(*frame), GFP_ATOMIC);
if (!frame)
return NULL;
--
GitLab
From 48e4d4604b7da52d6a56ddc821a460b183b7353d Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 01:05:46 +0900
Subject: [PATCH 134/742] sh: stacktrace: Add reliability checks in address
saving ops.
This adopts the reliability checks from the x86 stacktrace code so known
bad addresses are not recorded in the stack trace buffer.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/stacktrace.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index 45b1adde3abe..a0f497bcbb4f 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -38,6 +38,9 @@ static void save_stack_address(void *data, unsigned long addr, int reliable)
{
struct stack_trace *trace = data;
+ if (!reliable)
+ return;
+
if (trace->skip > 0) {
trace->skip--;
return;
@@ -67,6 +70,9 @@ save_stack_address_nosched(void *data, unsigned long addr, int reliable)
{
struct stack_trace *trace = (struct stack_trace *)data;
+ if (!reliable)
+ return;
+
if (in_sched_functions(addr))
return;
--
GitLab
From f9967e23c10f025d85bbf66a2a5f18f016890ccb Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 01:09:03 +0900
Subject: [PATCH 135/742] sh: flag the default unwinder as reliable.
This flags the default unwinder as reliable, as it tends to be reliable
enough for the purposes of the stacktrace buffer. We leave the unreliable
cases for the unwind methods that we know to be completely broken.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/dumpstack.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/kernel/dumpstack.c b/arch/sh/kernel/dumpstack.c
index 005dc1d11460..6f5ad1513409 100644
--- a/arch/sh/kernel/dumpstack.c
+++ b/arch/sh/kernel/dumpstack.c
@@ -61,7 +61,7 @@ stack_reader_dump(struct task_struct *task, struct pt_regs *regs,
unsigned long addr = *sp++;
if (__kernel_text_address(addr)) {
- ops->address(data, addr, 0);
+ ops->address(data, addr, 1);
print_ftrace_graph_addr(addr, data, ops,
context, &graph);
--
GitLab
From 606b4c992f3b28f906100f1b6eb49059909d8da7 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 01:11:37 +0900
Subject: [PATCH 136/742] sh: stacktrace: Properly terminate the trace entry
buffer.
This inserts a ULONG_MAX entry at the end of the valid entries in the
stack trace buffer so the default code doesn't need to scan to the end of
available slots. This also makes the trace buffer termination behaviour
consistent with the other architectures.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/stacktrace.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index a0f497bcbb4f..c2e45c48409c 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -62,6 +62,8 @@ void save_stack_trace(struct stack_trace *trace)
unsigned long *sp = (unsigned long *)current_stack_pointer;
unwind_stack(current, NULL, sp, &save_stack_ops, trace);
+ if (trace->nr_entries < trace->max_entries)
+ trace->entries[trace->nr_entries++] = ULONG_MAX;
}
EXPORT_SYMBOL_GPL(save_stack_trace);
@@ -97,5 +99,7 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
unsigned long *sp = (unsigned long *)tsk->thread.sp;
unwind_stack(current, NULL, sp, &save_stack_ops_nosched, trace);
+ if (trace->nr_entries < trace->max_entries)
+ trace->entries[trace->nr_entries++] = ULONG_MAX;
}
EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
--
GitLab
From 43bc61d86f8ea6edef2e02d1dc47617883fa9a9c Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 01:57:36 +0900
Subject: [PATCH 137/742] sh: Add register alignment helpers for shared
flushers.
This plugs in some register alignment helpers for the shared flushers,
allowing them to also be used on SH-5. The main rationale here is that
in the SH-5 case we have a variable ABI, where the pointer size may not
equal the register width. This register extension is taken care of by
the SH-5 code already today, and is otherwise unused on the SH-4 code.
This combines the two and allows us to kill off the SH-5 implementation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/system_32.h | 5 +++++
arch/sh/include/asm/system_64.h | 5 +++++
arch/sh/include/asm/types.h | 2 ++
arch/sh/mm/flush-sh4.c | 21 ++++++++++++---------
4 files changed, 24 insertions(+), 9 deletions(-)
diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h
index 6c68a51f1cc5..d7299d69ff79 100644
--- a/arch/sh/include/asm/system_32.h
+++ b/arch/sh/include/asm/system_32.h
@@ -198,6 +198,11 @@ do { \
})
#endif
+static inline reg_size_t register_align(void *val)
+{
+ return (unsigned long)(signed long)val;
+}
+
int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
struct mem_access *ma);
diff --git a/arch/sh/include/asm/system_64.h b/arch/sh/include/asm/system_64.h
index 943acf5ea07c..218b54d9d660 100644
--- a/arch/sh/include/asm/system_64.h
+++ b/arch/sh/include/asm/system_64.h
@@ -37,4 +37,9 @@ do { \
#define jump_to_uncached() do { } while (0)
#define back_to_cached() do { } while (0)
+static inline reg_size_t register_align(void *val)
+{
+ return (unsigned long long)(signed long long)(signed long)val;
+}
+
#endif /* __ASM_SH_SYSTEM_64_H */
diff --git a/arch/sh/include/asm/types.h b/arch/sh/include/asm/types.h
index c7f3c94837dd..f8421f7ad63a 100644
--- a/arch/sh/include/asm/types.h
+++ b/arch/sh/include/asm/types.h
@@ -11,8 +11,10 @@
#ifdef CONFIG_SUPERH32
typedef u16 insn_size_t;
+typedef u32 reg_size_t;
#else
typedef u32 insn_size_t;
+typedef u64 reg_size_t;
#endif
#endif /* __ASSEMBLY__ */
diff --git a/arch/sh/mm/flush-sh4.c b/arch/sh/mm/flush-sh4.c
index edefc53891a8..1b6b6a12a99b 100644
--- a/arch/sh/mm/flush-sh4.c
+++ b/arch/sh/mm/flush-sh4.c
@@ -10,10 +10,11 @@
*/
void __weak __flush_wback_region(void *start, int size)
{
- unsigned long v, cnt, end;
+ reg_size_t aligned_start, v, cnt, end;
- v = (unsigned long)start & ~(L1_CACHE_BYTES-1);
- end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+ aligned_start = register_align(start);
+ v = aligned_start & ~(L1_CACHE_BYTES-1);
+ end = (aligned_start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
cnt = (end - v) / L1_CACHE_BYTES;
@@ -52,10 +53,11 @@ void __weak __flush_wback_region(void *start, int size)
*/
void __weak __flush_purge_region(void *start, int size)
{
- unsigned long v, cnt, end;
+ reg_size_t aligned_start, v, cnt, end;
- v = (unsigned long)start & ~(L1_CACHE_BYTES-1);
- end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+ aligned_start = register_align(start);
+ v = aligned_start & ~(L1_CACHE_BYTES-1);
+ end = (aligned_start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
cnt = (end - v) / L1_CACHE_BYTES;
@@ -90,10 +92,11 @@ void __weak __flush_purge_region(void *start, int size)
*/
void __weak __flush_invalidate_region(void *start, int size)
{
- unsigned long v, cnt, end;
+ reg_size_t aligned_start, v, cnt, end;
- v = (unsigned long)start & ~(L1_CACHE_BYTES-1);
- end = ((unsigned long)start + size + L1_CACHE_BYTES-1)
+ aligned_start = register_align(start);
+ v = aligned_start & ~(L1_CACHE_BYTES-1);
+ end = (aligned_start + size + L1_CACHE_BYTES-1)
& ~(L1_CACHE_BYTES-1);
cnt = (end - v) / L1_CACHE_BYTES;
--
GitLab
From 795687265d1b6f666d02ff56f6c1679a8db160a9 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 02:00:54 +0900
Subject: [PATCH 138/742] sh64: Wire up the shared __flush_xxx_region()
flushers.
Now with all of the prep work out of the way, kill off the SH-5 variants
and use the SH-4 version directly. This also takes advantage of the
unrolling that was previously done for the new version.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/Makefile_64 | 2 +-
arch/sh/mm/cache-sh5.c | 48 ------------------------------------------
2 files changed, 1 insertion(+), 49 deletions(-)
diff --git a/arch/sh/mm/Makefile_64 b/arch/sh/mm/Makefile_64
index 2863ffb7006d..66c39106d0a8 100644
--- a/arch/sh/mm/Makefile_64
+++ b/arch/sh/mm/Makefile_64
@@ -9,7 +9,7 @@ mmu-$(CONFIG_MMU) := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o \
extable_64.o
ifndef CONFIG_CACHE_OFF
-obj-y += cache-sh5.o
+obj-y += cache-sh5.o flush-sh4.o
endif
obj-y += $(mmu-y)
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index 3e2d7321b636..698113fce814 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -539,54 +539,6 @@ static void sh64_dcache_purge_user_range(struct mm_struct *mm,
sh64_dcache_purge_user_pages(mm, start, end);
}
}
-
-/*
- * Purge the range of addresses from the D-cache.
- *
- * The addresses lie in the superpage mapping. There's no harm if we
- * overpurge at either end - just a small performance loss.
- */
-void __flush_purge_region(void *start, int size)
-{
- unsigned long long ullend, addr, aligned_start;
-
- aligned_start = (unsigned long long)(signed long long)(signed long) start;
- addr = L1_CACHE_ALIGN(aligned_start);
- ullend = (unsigned long long) (signed long long) (signed long) start + size;
-
- while (addr <= ullend) {
- __asm__ __volatile__ ("ocbp %0, 0" : : "r" (addr));
- addr += L1_CACHE_BYTES;
- }
-}
-
-void __flush_wback_region(void *start, int size)
-{
- unsigned long long ullend, addr, aligned_start;
-
- aligned_start = (unsigned long long)(signed long long)(signed long) start;
- addr = L1_CACHE_ALIGN(aligned_start);
- ullend = (unsigned long long) (signed long long) (signed long) start + size;
-
- while (addr < ullend) {
- __asm__ __volatile__ ("ocbwb %0, 0" : : "r" (addr));
- addr += L1_CACHE_BYTES;
- }
-}
-
-void __flush_invalidate_region(void *start, int size)
-{
- unsigned long long ullend, addr, aligned_start;
-
- aligned_start = (unsigned long long)(signed long long)(signed long) start;
- addr = L1_CACHE_ALIGN(aligned_start);
- ullend = (unsigned long long) (signed long long) (signed long) start + size;
-
- while (addr < ullend) {
- __asm__ __volatile__ ("ocbi %0, 0" : : "r" (addr));
- addr += L1_CACHE_BYTES;
- }
-}
#endif /* !CONFIG_DCACHE_DISABLED */
/*
--
GitLab
From e7b8b7f16edc9b363573eadf2ab2683473626071 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 02:21:16 +0900
Subject: [PATCH 139/742] sh: NO_CONTEXT ASID optimizations for SH-4 cache
flush.
This optimizes for the cases when a CPU does not yet have a valid ASID
context associated with it, as in this case there is no work for any of
flush_cache_mm()/flush_cache_page()/flush_cache_range() to do. Based on
the the MIPS implementation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh4.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index dfc1d0379479..92f87a460a81 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -330,6 +330,9 @@ loop_exit:
*/
void flush_cache_mm(struct mm_struct *mm)
{
+ if (cpu_context(smp_processor_id(), mm) == NO_CONTEXT)
+ return;
+
/*
* If cache is only 4k-per-way, there are never any 'aliases'. Since
* the cache is physically tagged, the data can just be left in there.
@@ -371,6 +374,9 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
unsigned long phys = pfn << PAGE_SHIFT;
unsigned int alias_mask;
+ if (cpu_context(smp_processor_id(), vma->vm_mm) == NO_CONTEXT)
+ return;
+
alias_mask = boot_cpu_data.dcache.alias_mask;
/* We only need to flush D-cache when we have alias */
@@ -413,6 +419,9 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end)
{
+ if (cpu_context(smp_processor_id(), vma->vm_mm) == NO_CONTEXT)
+ return;
+
/*
* If cache is only 4k-per-way, there are never any 'aliases'. Since
* the cache is physically tagged, the data can just be left in there.
--
GitLab
From 112e58471de3431fbd03dee514777ad4a66a77b2 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 02:49:40 +0900
Subject: [PATCH 140/742] sh: TLB protection violation exception optimizations.
This adds a bit of rework to have the TLB protection violations skip the
TLB miss fastpath and go directly in to do_page_fault(), as these require
slow path handling.
Based on an earlier patch by SUGIOKA Toshinobu.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh3/entry.S | 30 +++++++++++++++++++-----------
arch/sh/mm/fault_32.c | 6 +++---
2 files changed, 22 insertions(+), 14 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index 3cb531f233f2..bbaf2bd118e7 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -113,34 +113,33 @@ OFF_TRA = (16*4+6*4)
#if defined(CONFIG_MMU)
.align 2
ENTRY(tlb_miss_load)
- bra call_dpf
+ bra call_handle_tlbmiss
mov #0, r5
.align 2
ENTRY(tlb_miss_store)
- bra call_dpf
+ bra call_handle_tlbmiss
mov #1, r5
.align 2
ENTRY(initial_page_write)
- bra call_dpf
+ bra call_handle_tlbmiss
mov #1, r5
.align 2
ENTRY(tlb_protection_violation_load)
- bra call_dpf
+ bra call_do_page_fault
mov #0, r5
.align 2
ENTRY(tlb_protection_violation_store)
- bra call_dpf
+ bra call_do_page_fault
mov #1, r5
-call_dpf:
+call_handle_tlbmiss:
mov.l 1f, r0
mov r5, r8
mov.l @r0, r6
- mov r6, r9
mov.l 2f, r0
sts pr, r10
jsr @r0
@@ -151,16 +150,25 @@ call_dpf:
lds r10, pr
rts
nop
-0: mov.l 3f, r0
- mov r9, r6
+0:
mov r8, r5
+call_do_page_fault:
+ mov.l 1f, r0
+ mov.l @r0, r6
+
+ sti
+
+ mov.l 3f, r0
+ mov.l 4f, r1
+ mov r15, r4
jmp @r0
- mov r15, r4
+ lds r1, pr
.align 2
1: .long MMU_TEA
-2: .long __do_page_fault
+2: .long handle_tlbmiss
3: .long do_page_fault
+4: .long ret_from_exception
.align 2
ENTRY(address_error_load)
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index dbbdeba2cee5..41840647f65f 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -318,9 +318,9 @@ do_sigbus:
/*
* Called with interrupts disabled.
*/
-asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
- unsigned long writeaccess,
- unsigned long address)
+asmlinkage int __kprobes
+handle_tlbmiss(struct pt_regs *regs, unsigned long writeaccess,
+ unsigned long address)
{
pgd_t *pgd;
pud_t *pud;
--
GitLab
From 8010fbe7a67c2f993cbb11b9d8b7e98528256dd1 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 03:06:41 +0900
Subject: [PATCH 141/742] sh: TLB fast path optimizations for load/store
exceptions.
This only bothers with the TLB entry flush in the case of the initial
page write exception, as it is unecessary in the case of the load/store
exceptions.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh3/entry.S | 2 +-
arch/sh/mm/fault_32.c | 26 +++++++++++++-------------
2 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index bbaf2bd118e7..a701fac8ed42 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -124,7 +124,7 @@ ENTRY(tlb_miss_store)
.align 2
ENTRY(initial_page_write)
bra call_handle_tlbmiss
- mov #1, r5
+ mov #2, r5
.align 2
ENTRY(tlb_protection_violation_load)
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index 41840647f65f..f1c93c880ed4 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -327,7 +327,6 @@ handle_tlbmiss(struct pt_regs *regs, unsigned long writeaccess,
pmd_t *pmd;
pte_t *pte;
pte_t entry;
- int ret = 1;
/*
* We don't take page faults for P1, P2, and parts of P4, these
@@ -338,40 +337,41 @@ handle_tlbmiss(struct pt_regs *regs, unsigned long writeaccess,
pgd = pgd_offset_k(address);
} else {
if (unlikely(address >= TASK_SIZE || !current->mm))
- goto out;
+ return 1;
pgd = pgd_offset(current->mm, address);
}
pud = pud_offset(pgd, address);
if (pud_none_or_clear_bad(pud))
- goto out;
+ return 1;
pmd = pmd_offset(pud, address);
if (pmd_none_or_clear_bad(pmd))
- goto out;
+ return 1;
pte = pte_offset_kernel(pmd, address);
entry = *pte;
if (unlikely(pte_none(entry) || pte_not_present(entry)))
- goto out;
+ return 1;
if (unlikely(writeaccess && !pte_write(entry)))
- goto out;
+ return 1;
if (writeaccess)
entry = pte_mkdirty(entry);
entry = pte_mkyoung(entry);
+ set_pte(pte, entry);
+
#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SMP)
/*
- * ITLB is not affected by "ldtlb" instruction.
- * So, we need to flush the entry by ourselves.
+ * SH-4 does not set MMUCR.RC to the corresponding TLB entry in
+ * the case of an initial page write exception, so we need to
+ * flush it in order to avoid potential TLB entry duplication.
*/
- local_flush_tlb_one(get_asid(), address & PAGE_MASK);
+ if (writeaccess == 2)
+ local_flush_tlb_one(get_asid(), address & PAGE_MASK);
#endif
- set_pte(pte, entry);
update_mmu_cache(NULL, address, entry);
- ret = 0;
-out:
- return ret;
+ return 0;
}
--
GitLab
From 7a90e00dda0bae66b5232d5a37155f13a0581369 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 07:41:45 +0900
Subject: [PATCH 142/742] sh: Make sure rte delay slots are nopped out on all
parts.
Future SH parts do not support any instruction but a nop in the rte delay
slot, so make the change for all offending parts. SH-5 is excluded from
this, and already has its own set of restrictions with regards to rte
delay slot handling.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh2/entry.S | 3 ++-
arch/sh/kernel/cpu/sh2a/entry.S | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S
index becc54c45692..c8a4331d9b8d 100644
--- a/arch/sh/kernel/cpu/sh2/entry.S
+++ b/arch/sh/kernel/cpu/sh2/entry.S
@@ -227,8 +227,9 @@ ENTRY(sh_bios_handler)
mov.l @r15+, r14
add #8,r15
lds.l @r15+, pr
+ mov.l @r15+,r15
rte
- mov.l @r15+,r15
+ nop
.align 2
1: .long gdb_vbr_vector
#endif /* CONFIG_SH_STANDARD_BIOS */
diff --git a/arch/sh/kernel/cpu/sh2a/entry.S b/arch/sh/kernel/cpu/sh2a/entry.S
index ab3903eeda5c..222742ddc0d6 100644
--- a/arch/sh/kernel/cpu/sh2a/entry.S
+++ b/arch/sh/kernel/cpu/sh2a/entry.S
@@ -176,8 +176,9 @@ ENTRY(sh_bios_handler)
movml.l @r15+,r14
add #8,r15
lds.l @r15+, pr
+ mov.l @r15+,r15
rte
- mov.l @r15+,r15
+ nop
.align 2
1: .long gdb_vbr_vector
#endif /* CONFIG_SH_STANDARD_BIOS */
--
GitLab
From 7dd6662a92fe9a15ad565045aa60367995cc533d Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 07:43:21 +0900
Subject: [PATCH 143/742] sh: delay slot future proofing via EXPMASK on SH-4A
parts.
This implements EXPMASK initialization code for SH-4A parts, where it is
possible to disable compat features that will go away in newer cores.
Presently this includes disabling support for non-nop instructions in the
rte delay slot, as well as a sleep instruction being placed in a delay
slot (neither of which the kernel does any longer). As a result of this,
any future offenders will have illegal slot exceptions generated for
them.
Associative writes for the memory-mapped cache array are still left
enabled, until such a point that special cache operations for SH-4A are
provided to move off of the current (and rather dated) SH-4 versions.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/init.c | 34 +++++++++++++++++++++++++++++++++-
1 file changed, 33 insertions(+), 1 deletion(-)
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index ad85421099cd..d40b9db5be03 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -3,7 +3,7 @@
*
* CPU init code
*
- * Copyright (C) 2002 - 2007 Paul Mundt
+ * Copyright (C) 2002 - 2009 Paul Mundt
* Copyright (C) 2003 Richard Curnow
*
* This file is subject to the terms and conditions of the GNU General Public
@@ -62,6 +62,37 @@ static void __init speculative_execution_init(void)
#define speculative_execution_init() do { } while (0)
#endif
+#ifdef CONFIG_CPU_SH4A
+#define EXPMASK 0xff2f0004
+#define EXPMASK_RTEDS (1 << 0)
+#define EXPMASK_BRDSSLP (1 << 1)
+#define EXPMASK_MMCAW (1 << 4)
+
+static void __init expmask_init(void)
+{
+ unsigned long expmask = __raw_readl(EXPMASK);
+
+ /*
+ * Future proofing.
+ *
+ * Disable support for slottable sleep instruction
+ * and non-nop instructions in the rte delay slot.
+ */
+ expmask &= ~(EXPMASK_RTEDS | EXPMASK_BRDSSLP);
+
+ /*
+ * Enable associative writes to the memory-mapped cache array
+ * until the cache flush ops have been rewritten.
+ */
+ expmask |= EXPMASK_MMCAW;
+
+ __raw_writel(expmask, EXPMASK);
+ ctrl_barrier();
+}
+#else
+#define expmask_init() do { } while (0)
+#endif
+
/* 2nd-level cache init */
void __uses_jump_to_uncached __attribute__ ((weak)) l2_cache_init(void)
{
@@ -321,4 +352,5 @@ asmlinkage void __init sh_cpu_init(void)
#endif
speculative_execution_init();
+ expmask_init();
}
--
GitLab
From 180aa6e6aa11922dcd4c13df1967d62bb2ede76c Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sat, 15 Aug 2009 00:04:00 +0100
Subject: [PATCH 144/742] sh: Set the cfa_offset to 0 if we see a
DW_CFA_def_cfa_register op
The way that the CFA is calculated can change as we progress through a
function. If we see a DW_CFA_def_cfa_register op we need to reset the
frame's cfa_offset value which may have been previously setup.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/dwarf.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index db021361b161..c6c5764a8ab1 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -449,6 +449,7 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
count = dwarf_read_uleb128(current_insn,
&frame->cfa_register);
current_insn += count;
+ frame->cfa_offset = 0;
frame->flags |= DWARF_FRAME_CFA_REG_OFFSET;
break;
case DW_CFA_def_cfa_offset:
--
GitLab
From 8edcfcbbd131a3580db666ed1034c24d56eb6f5d Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 09:03:59 +0900
Subject: [PATCH 145/742] sh: Bail from kmap_coherent_init() if we have no
dcache aliases.
This kills off the ifdef from kmap_coherent_init() and just bails if
there are no cache aliases. This permits the kmap coherent code to be
used on other CPUs.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/pg-mmu.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/sh/mm/pg-mmu.c b/arch/sh/mm/pg-mmu.c
index 027c4d83fb8e..7a6ef34bd499 100644
--- a/arch/sh/mm/pg-mmu.c
+++ b/arch/sh/mm/pg-mmu.c
@@ -22,13 +22,14 @@ static pte_t *kmap_coherent_pte;
void __init kmap_coherent_init(void)
{
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
unsigned long vaddr;
+ if (!boot_cpu_data.dcache.n_aliases)
+ return;
+
/* cache the first coherent kmap pte */
vaddr = __fix_to_virt(FIX_CMAP_BEGIN);
kmap_coherent_pte = kmap_get_fixmap_pte(vaddr);
-#endif
}
static void *kmap_coherent(struct page *page, unsigned long addr)
--
GitLab
From 2739742c24f1a55365e71f0722bfdce8994e9c4e Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 09:19:19 +0900
Subject: [PATCH 146/742] sh: Provide the kmap_coherent() interface
generically.
This plugs in kmap_coherent() for the non-SH4 cases to permit the
pg-mmu.c bits to be used generically across all CPUs. SH-5 is still in
the TODO state, but will move over to fixmap and the generic interface
gradually.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 4 ++
arch/sh/include/asm/pgtable.h | 6 ---
arch/sh/mm/Makefile_32 | 2 +-
arch/sh/mm/cache-sh5.c | 15 ++++++++
arch/sh/mm/kmap.c | 64 ++++++++++++++++++++++++++++++++
arch/sh/mm/pg-mmu.c | 48 ------------------------
arch/sh/mm/tlb-nommu.c | 15 ++++++++
7 files changed, 99 insertions(+), 55 deletions(-)
create mode 100644 arch/sh/mm/kmap.c
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 5dffbd126e46..0e87e87cc01f 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -74,5 +74,9 @@ extern void copy_from_user_page(struct vm_area_struct *vma,
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
+void kmap_coherent_init(void);
+void *kmap_coherent(struct page *page, unsigned long addr);
+void kunmap_coherent(void);
+
#endif /* __KERNEL__ */
#endif /* __ASM_SH_CACHEFLUSH_H */
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index 3cd7127af957..4f3efa7d5a64 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -158,12 +158,6 @@ extern void paging_init(void);
extern void page_table_range_init(unsigned long start, unsigned long end,
pgd_t *pgd);
-#if defined(CONFIG_MMU) && !defined(CONFIG_CPU_SH5)
-extern void kmap_coherent_init(void);
-#else
-#define kmap_coherent_init() do { } while (0)
-#endif
-
/* arch/sh/mm/mmap.c */
#define HAVE_ARCH_UNMAPPED_AREA
#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
diff --git a/arch/sh/mm/Makefile_32 b/arch/sh/mm/Makefile_32
index 17b02522214f..30771b137f48 100644
--- a/arch/sh/mm/Makefile_32
+++ b/arch/sh/mm/Makefile_32
@@ -15,7 +15,7 @@ endif
obj-y += $(cache-y)
mmu-y := tlb-nommu.o pg-nommu.o
-mmu-$(CONFIG_MMU) := fault_32.o tlbflush_32.o ioremap_32.o pg-mmu.o
+mmu-$(CONFIG_MMU) := fault_32.o kmap.o tlbflush_32.o ioremap_32.o pg-mmu.o
obj-y += $(mmu-y)
obj-$(CONFIG_DEBUG_FS) += asids-debugfs.o
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index 698113fce814..28f3c8fb1b99 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -29,6 +29,21 @@ void __init p3_cache_init(void)
dtlb_cache_slot = sh64_get_wired_dtlb_entry();
}
+void __init kmap_coherent_init(void)
+{
+ /* XXX ... */
+}
+
+void *kmap_coherent(struct page *page, unsigned long addr)
+{
+ /* XXX ... */
+ return NULL;
+}
+
+void kunmap_coherent(void)
+{
+}
+
#ifdef CONFIG_DCACHE_DISABLED
#define sh64_dcache_purge_all() do { } while (0)
#define sh64_dcache_purge_coloured_phy_page(paddr, eaddr) do { } while (0)
diff --git a/arch/sh/mm/kmap.c b/arch/sh/mm/kmap.c
new file mode 100644
index 000000000000..3eecf0d42f1a
--- /dev/null
+++ b/arch/sh/mm/kmap.c
@@ -0,0 +1,64 @@
+/*
+ * arch/sh/mm/kmap.c
+ *
+ * Copyright (C) 1999, 2000, 2002 Niibe Yutaka
+ * Copyright (C) 2002 - 2009 Paul Mundt
+ *
+ * Released under the terms of the GNU GPL v2.0.
+ */
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/mutex.h>
+#include <linux/fs.h>
+#include <linux/highmem.h>
+#include <linux/module.h>
+#include <asm/mmu_context.h>
+#include <asm/cacheflush.h>
+
+#define kmap_get_fixmap_pte(vaddr) \
+ pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), (vaddr))
+
+static pte_t *kmap_coherent_pte;
+
+void __init kmap_coherent_init(void)
+{
+ unsigned long vaddr;
+
+ if (!boot_cpu_data.dcache.n_aliases)
+ return;
+
+ /* cache the first coherent kmap pte */
+ vaddr = __fix_to_virt(FIX_CMAP_BEGIN);
+ kmap_coherent_pte = kmap_get_fixmap_pte(vaddr);
+}
+
+void *kmap_coherent(struct page *page, unsigned long addr)
+{
+ enum fixed_addresses idx;
+ unsigned long vaddr, flags;
+ pte_t pte;
+
+ BUG_ON(test_bit(PG_dcache_dirty, &page->flags));
+
+ inc_preempt_count();
+
+ idx = (addr & current_cpu_data.dcache.alias_mask) >> PAGE_SHIFT;
+ vaddr = __fix_to_virt(FIX_CMAP_END - idx);
+ pte = mk_pte(page, PAGE_KERNEL);
+
+ local_irq_save(flags);
+ flush_tlb_one(get_asid(), vaddr);
+ local_irq_restore(flags);
+
+ update_mmu_cache(NULL, vaddr, pte);
+
+ set_pte(kmap_coherent_pte - (FIX_CMAP_END - idx), pte);
+
+ return (void *)vaddr;
+}
+
+void kunmap_coherent(void)
+{
+ dec_preempt_count();
+ preempt_check_resched();
+}
diff --git a/arch/sh/mm/pg-mmu.c b/arch/sh/mm/pg-mmu.c
index 7a6ef34bd499..f51d0a4eb3ba 100644
--- a/arch/sh/mm/pg-mmu.c
+++ b/arch/sh/mm/pg-mmu.c
@@ -15,54 +15,6 @@
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
-#define kmap_get_fixmap_pte(vaddr) \
- pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), (vaddr))
-
-static pte_t *kmap_coherent_pte;
-
-void __init kmap_coherent_init(void)
-{
- unsigned long vaddr;
-
- if (!boot_cpu_data.dcache.n_aliases)
- return;
-
- /* cache the first coherent kmap pte */
- vaddr = __fix_to_virt(FIX_CMAP_BEGIN);
- kmap_coherent_pte = kmap_get_fixmap_pte(vaddr);
-}
-
-static void *kmap_coherent(struct page *page, unsigned long addr)
-{
- enum fixed_addresses idx;
- unsigned long vaddr, flags;
- pte_t pte;
-
- BUG_ON(test_bit(PG_dcache_dirty, &page->flags));
-
- inc_preempt_count();
-
- idx = (addr & current_cpu_data.dcache.alias_mask) >> PAGE_SHIFT;
- vaddr = __fix_to_virt(FIX_CMAP_END - idx);
- pte = mk_pte(page, PAGE_KERNEL);
-
- local_irq_save(flags);
- flush_tlb_one(get_asid(), vaddr);
- local_irq_restore(flags);
-
- update_mmu_cache(NULL, vaddr, pte);
-
- set_pte(kmap_coherent_pte - (FIX_CMAP_END - idx), pte);
-
- return (void *)vaddr;
-}
-
-static inline void kunmap_coherent(void)
-{
- dec_preempt_count();
- preempt_check_resched();
-}
-
void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
unsigned long len)
diff --git a/arch/sh/mm/tlb-nommu.c b/arch/sh/mm/tlb-nommu.c
index 0ef5429943df..c49e9d24c2e6 100644
--- a/arch/sh/mm/tlb-nommu.c
+++ b/arch/sh/mm/tlb-nommu.c
@@ -55,6 +55,21 @@ void __update_cache(struct vm_area_struct *vma,
{
}
+void __init kmap_coherent_init(void)
+{
+}
+
+void *kmap_coherent(struct page *page, unsigned long addr)
+{
+ BUG();
+ return NULL;
+}
+
+void kunmap_coherent(void)
+{
+ BUG();
+}
+
void __init page_table_range_init(unsigned long start, unsigned long end,
pgd_t *pgd_base)
{
--
GitLab
From cbbe2f68f678a90bebeb30b8a7fcd8aed0614879 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 09:30:39 +0900
Subject: [PATCH 147/742] sh: rename pg-mmu.c -> cache.c, enable generically.
This builds in the newly created cache.c (renamed from pg-mmu.c) for both
MMU and NOMMU configurations. The kmap_coherent() stubs and alias
information recorded by each CPU family takes care of doing the right
thing while enabling the code to be commonly shared.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 2 --
arch/sh/mm/Makefile_32 | 16 ++++++++--------
arch/sh/mm/{pg-mmu.c => cache.c} | 0
3 files changed, 8 insertions(+), 10 deletions(-)
rename arch/sh/mm/{pg-mmu.c => cache.c} (100%)
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 0e87e87cc01f..4bf621e4146d 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -45,7 +45,6 @@ extern void __flush_purge_region(void *start, int size);
extern void __flush_invalidate_region(void *start, int size);
#endif
-#ifdef CONFIG_MMU
#define ARCH_HAS_FLUSH_ANON_PAGE
extern void __flush_anon_page(struct page *page, unsigned long);
@@ -55,7 +54,6 @@ static inline void flush_anon_page(struct vm_area_struct *vma,
if (boot_cpu_data.dcache.n_aliases && PageAnon(page))
__flush_anon_page(page, vmaddr);
}
-#endif
#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
static inline void flush_kernel_dcache_page(struct page *page)
diff --git a/arch/sh/mm/Makefile_32 b/arch/sh/mm/Makefile_32
index 30771b137f48..affcc9a15cea 100644
--- a/arch/sh/mm/Makefile_32
+++ b/arch/sh/mm/Makefile_32
@@ -2,20 +2,20 @@
# Makefile for the Linux SuperH-specific parts of the memory manager.
#
-obj-y := init.o extable_32.o consistent.o mmap.o
+obj-y := cache.o init.o extable_32.o consistent.o mmap.o
ifndef CONFIG_CACHE_OFF
-cache-$(CONFIG_CPU_SH2) := cache-sh2.o
-cache-$(CONFIG_CPU_SH2A) := cache-sh2a.o
-cache-$(CONFIG_CPU_SH3) := cache-sh3.o
-cache-$(CONFIG_CPU_SH4) := cache-sh4.o flush-sh4.o
-cache-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
+cacheops-$(CONFIG_CPU_SH2) := cache-sh2.o
+cacheops-$(CONFIG_CPU_SH2A) := cache-sh2a.o
+cacheops-$(CONFIG_CPU_SH3) := cache-sh3.o
+cacheops-$(CONFIG_CPU_SH4) := cache-sh4.o flush-sh4.o
+cacheops-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
endif
-obj-y += $(cache-y)
+obj-y += $(cacheops-y)
mmu-y := tlb-nommu.o pg-nommu.o
-mmu-$(CONFIG_MMU) := fault_32.o kmap.o tlbflush_32.o ioremap_32.o pg-mmu.o
+mmu-$(CONFIG_MMU) := fault_32.o kmap.o tlbflush_32.o ioremap_32.o
obj-y += $(mmu-y)
obj-$(CONFIG_DEBUG_FS) += asids-debugfs.o
diff --git a/arch/sh/mm/pg-mmu.c b/arch/sh/mm/cache.c
similarity index 100%
rename from arch/sh/mm/pg-mmu.c
rename to arch/sh/mm/cache.c
--
GitLab
From dde5e3ffb770ef2854bbc32c51a365e932919e19 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 09:49:32 +0900
Subject: [PATCH 148/742] sh: rework nommu for generic cache.c use.
This does a bit of reorganizing for allowing nommu to use the new
and generic cache.c, no functional changes.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 2 ++
arch/sh/include/asm/page.h | 7 +------
arch/sh/include/cpu-sh3/cpu/cacheflush.h | 2 --
arch/sh/include/cpu-sh4/cpu/cacheflush.h | 2 --
arch/sh/kernel/cpu/init.c | 2 --
arch/sh/mm/mmap.c | 2 +-
arch/sh/mm/tlb-nommu.c | 5 -----
7 files changed, 4 insertions(+), 18 deletions(-)
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 4bf621e4146d..9ec13fb909dd 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -76,5 +76,7 @@ void kmap_coherent_init(void);
void *kmap_coherent(struct page *page, unsigned long addr);
void kunmap_coherent(void);
+#define PG_dcache_dirty PG_arch_1
+
#endif /* __KERNEL__ */
#endif /* __ASM_SH_CACHEFLUSH_H */
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 847eeabb9083..a316eeb50b39 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -68,18 +68,13 @@ extern void clear_user_page(void *to, unsigned long address, struct page *page);
extern void copy_user_page(void *to, void *from, unsigned long address,
struct page *page);
-#elif defined(CONFIG_MMU)
+#else
extern void copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr, struct vm_area_struct *vma);
#define __HAVE_ARCH_COPY_USER_HIGHPAGE
extern void clear_user_highpage(struct page *page, unsigned long vaddr);
#define clear_user_highpage clear_user_highpage
-#else
-
-#define clear_user_page(page, vaddr, pg) clear_page(page)
-#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-
#endif
/*
diff --git a/arch/sh/include/cpu-sh3/cpu/cacheflush.h b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
index 6485ad5649ad..3b5f3df4e1c8 100644
--- a/arch/sh/include/cpu-sh3/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
@@ -15,8 +15,6 @@
* SH4. Unlike the SH4 this is a unified cache so we need to do some work
* in mmap when 'exec'ing a new binary
*/
-#define PG_dcache_dirty PG_arch_1
-
void flush_cache_all(void);
void flush_cache_mm(struct mm_struct *mm);
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
diff --git a/arch/sh/include/cpu-sh4/cpu/cacheflush.h b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
index 3564f1722195..76764f0fb88a 100644
--- a/arch/sh/include/cpu-sh4/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
@@ -38,6 +38,4 @@ void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
/* Initialization of P3 area for copy_user_page */
void p3_cache_init(void);
-#define PG_dcache_dirty PG_arch_1
-
#endif /* __ASM_CPU_SH4_CACHEFLUSH_H */
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index ad85421099cd..c832fa4cf8ed 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -268,11 +268,9 @@ asmlinkage void __init sh_cpu_init(void)
cache_init();
if (raw_smp_processor_id() == 0) {
-#ifdef CONFIG_MMU
shm_align_mask = max_t(unsigned long,
current_cpu_data.dcache.way_size - 1,
PAGE_SIZE - 1);
-#endif
/* Boot CPU sets the cache shape */
detect_cache_shape();
diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c
index 1b5fdfb4e0c2..d2984fa42d3d 100644
--- a/arch/sh/mm/mmap.c
+++ b/arch/sh/mm/mmap.c
@@ -14,10 +14,10 @@
#include <asm/page.h>
#include <asm/processor.h>
-#ifdef CONFIG_MMU
unsigned long shm_align_mask = PAGE_SIZE - 1; /* Sane caches */
EXPORT_SYMBOL(shm_align_mask);
+#ifdef CONFIG_MMU
/*
* To avoid cache aliases, we map the shared page with same color.
*/
diff --git a/arch/sh/mm/tlb-nommu.c b/arch/sh/mm/tlb-nommu.c
index c49e9d24c2e6..0710ebb99b9a 100644
--- a/arch/sh/mm/tlb-nommu.c
+++ b/arch/sh/mm/tlb-nommu.c
@@ -50,11 +50,6 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
{
}
-void __update_cache(struct vm_area_struct *vma,
- unsigned long address, pte_t pte)
-{
-}
-
void __init kmap_coherent_init(void)
{
}
--
GitLab
From aae4d1428c03b03f9fe6204a83e35822fe9cc591 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 09:57:57 +0900
Subject: [PATCH 149/742] sh: consolidate nommu stubs in arch/sh/mm/nommu.c.
These were previous littered around tlb-nommu.c and pg-nommu.c, though at
this point there are more stubs than are strictly TLB or page op related,
so just consolidate them in a single nommu.c.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/Makefile_32 | 2 +-
arch/sh/mm/Makefile_64 | 2 +-
arch/sh/mm/{tlb-nommu.c => nommu.c} | 27 ++++++++++++++++++++---
arch/sh/mm/pg-nommu.c | 33 -----------------------------
4 files changed, 26 insertions(+), 38 deletions(-)
rename arch/sh/mm/{tlb-nommu.c => nommu.c} (69%)
delete mode 100644 arch/sh/mm/pg-nommu.c
diff --git a/arch/sh/mm/Makefile_32 b/arch/sh/mm/Makefile_32
index affcc9a15cea..ff3b07bd772d 100644
--- a/arch/sh/mm/Makefile_32
+++ b/arch/sh/mm/Makefile_32
@@ -14,7 +14,7 @@ endif
obj-y += $(cacheops-y)
-mmu-y := tlb-nommu.o pg-nommu.o
+mmu-y := nommu.o
mmu-$(CONFIG_MMU) := fault_32.o kmap.o tlbflush_32.o ioremap_32.o
obj-y += $(mmu-y)
diff --git a/arch/sh/mm/Makefile_64 b/arch/sh/mm/Makefile_64
index 66c39106d0a8..4d5ed245ef47 100644
--- a/arch/sh/mm/Makefile_64
+++ b/arch/sh/mm/Makefile_64
@@ -4,7 +4,7 @@
obj-y := init.o consistent.o mmap.o
-mmu-y := tlb-nommu.o pg-nommu.o extable_32.o
+mmu-y := nommu.o extable_32.o
mmu-$(CONFIG_MMU) := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o \
extable_64.o
diff --git a/arch/sh/mm/tlb-nommu.c b/arch/sh/mm/nommu.c
similarity index 69%
rename from arch/sh/mm/tlb-nommu.c
rename to arch/sh/mm/nommu.c
index 0710ebb99b9a..51b54037216f 100644
--- a/arch/sh/mm/tlb-nommu.c
+++ b/arch/sh/mm/nommu.c
@@ -1,20 +1,41 @@
/*
- * arch/sh/mm/tlb-nommu.c
+ * arch/sh/mm/nommu.c
*
- * TLB Operations for MMUless SH.
+ * Various helper routines and stubs for MMUless SH.
*
- * Copyright (C) 2002 Paul Mundt
+ * Copyright (C) 2002 - 2009 Paul Mundt
*
* Released under the terms of the GNU GPL v2.0.
*/
#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/string.h>
#include <linux/mm.h>
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
+#include <asm/page.h>
+#include <asm/uaccess.h>
/*
* Nothing too terribly exciting here ..
*/
+void copy_page(void *to, void *from)
+{
+ memcpy(to, from, PAGE_SIZE);
+}
+
+__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n)
+{
+ memcpy(to, from, n);
+ return 0;
+}
+
+__kernel_size_t __clear_user(void *to, __kernel_size_t n)
+{
+ memset(to, 0, n);
+ return 0;
+}
+
void local_flush_tlb_all(void)
{
BUG();
diff --git a/arch/sh/mm/pg-nommu.c b/arch/sh/mm/pg-nommu.c
deleted file mode 100644
index 7e33b486b7e9..000000000000
--- a/arch/sh/mm/pg-nommu.c
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * arch/sh/mm/pg-nommu.c
- *
- * copy_page()/__copy_user()/__clear_user() implementations for MMUless SH.
- *
- * Copyright (C) 2003 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <asm/page.h>
-#include <asm/uaccess.h>
-
-void copy_page(void *to, void *from)
-{
- memcpy(to, from, PAGE_SIZE);
-}
-
-__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n)
-{
- memcpy(to, from, n);
- return 0;
-}
-
-__kernel_size_t __clear_user(void *to, __kernel_size_t n)
-{
- memset(to, 0, n);
- return 0;
-}
--
GitLab
From e82da214d2fe3dc2610df966100c4f36bc0fad91 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 10:48:13 +0900
Subject: [PATCH 150/742] sh: Track the CPU family in sh_cpuinfo.
This adds a family member to struct sh_cpuinfo, which allows us to fall
back more on the probe routines to work out what sort of subtype we are
running on. This will be used by the CPU cache initialization code in
order to first do family-level initialization, followed by subtype-level
optimizations.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/bugs.h | 24 ++++++++++++------------
arch/sh/include/asm/processor.h | 13 ++++++++++++-
arch/sh/kernel/cpu/sh2/probe.c | 1 +
arch/sh/kernel/cpu/sh2a/probe.c | 2 ++
arch/sh/kernel/cpu/sh3/probe.c | 2 ++
arch/sh/kernel/cpu/sh4/probe.c | 9 +++++++--
arch/sh/kernel/cpu/sh5/probe.c | 2 ++
arch/sh/kernel/setup.c | 1 +
8 files changed, 39 insertions(+), 15 deletions(-)
diff --git a/arch/sh/include/asm/bugs.h b/arch/sh/include/asm/bugs.h
index 4924ff6f5439..46260fcbdf4b 100644
--- a/arch/sh/include/asm/bugs.h
+++ b/arch/sh/include/asm/bugs.h
@@ -21,25 +21,25 @@ static void __init check_bugs(void)
current_cpu_data.loops_per_jiffy = loops_per_jiffy;
- switch (current_cpu_data.type) {
- case CPU_SH7619:
+ switch (current_cpu_data.family) {
+ case CPU_FAMILY_SH2:
*p++ = '2';
break;
- case CPU_SH7201 ... CPU_MXG:
+ case CPU_FAMILY_SH2A:
*p++ = '2';
*p++ = 'a';
break;
- case CPU_SH7705 ... CPU_SH7729:
+ case CPU_FAMILY_SH3:
*p++ = '3';
break;
- case CPU_SH7750 ... CPU_SH4_501:
+ case CPU_FAMILY_SH4:
*p++ = '4';
break;
- case CPU_SH7763 ... CPU_SHX3:
+ case CPU_FAMILY_SH4A:
*p++ = '4';
*p++ = 'a';
break;
- case CPU_SH7343 ... CPU_SH7366:
+ case CPU_FAMILY_SH4AL_DSP:
*p++ = '4';
*p++ = 'a';
*p++ = 'l';
@@ -48,15 +48,15 @@ static void __init check_bugs(void)
*p++ = 's';
*p++ = 'p';
break;
- case CPU_SH5_101 ... CPU_SH5_103:
+ case CPU_FAMILY_SH5:
*p++ = '6';
*p++ = '4';
break;
- case CPU_SH_NONE:
+ case CPU_FAMILY_UNKNOWN:
/*
- * Specifically use CPU_SH_NONE rather than default:,
- * so we're able to have the compiler whine about
- * unhandled enumerations.
+ * Specifically use CPU_FAMILY_UNKNOWN rather than
+ * default:, so we're able to have the compiler whine
+ * about unhandled enumerations.
*/
break;
}
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index ff7daaf9a620..db1a4f3a755f 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -44,6 +44,17 @@ enum cpu_type {
CPU_SH_NONE
};
+enum cpu_family {
+ CPU_FAMILY_SH2,
+ CPU_FAMILY_SH2A,
+ CPU_FAMILY_SH3,
+ CPU_FAMILY_SH4,
+ CPU_FAMILY_SH4A,
+ CPU_FAMILY_SH4AL_DSP,
+ CPU_FAMILY_SH5,
+ CPU_FAMILY_UNKNOWN,
+};
+
/*
* TLB information structure
*
@@ -61,7 +72,7 @@ struct tlb_info {
};
struct sh_cpuinfo {
- unsigned int type;
+ unsigned int type, family;
int cut_major, cut_minor;
unsigned long loops_per_jiffy;
unsigned long asid_cache;
diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c
index 5916d9096b99..1db6d8883888 100644
--- a/arch/sh/kernel/cpu/sh2/probe.c
+++ b/arch/sh/kernel/cpu/sh2/probe.c
@@ -29,6 +29,7 @@ int __init detect_cpu_and_cache_system(void)
*/
boot_cpu_data.dcache.flags |= SH_CACHE_COMBINED;
boot_cpu_data.icache = boot_cpu_data.dcache;
+ boot_cpu_data.family = CPU_FAMILY_SH2;
return 0;
}
diff --git a/arch/sh/kernel/cpu/sh2a/probe.c b/arch/sh/kernel/cpu/sh2a/probe.c
index e098e2f6aa08..6825d6507164 100644
--- a/arch/sh/kernel/cpu/sh2a/probe.c
+++ b/arch/sh/kernel/cpu/sh2a/probe.c
@@ -15,6 +15,8 @@
int __init detect_cpu_and_cache_system(void)
{
+ boot_cpu_data.family = CPU_FAMILY_SH2A;
+
/* All SH-2A CPUs have support for 16 and 32-bit opcodes.. */
boot_cpu_data.flags |= CPU_HAS_OP32;
diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c
index 10f2a760c5ee..f9c7df64eb01 100644
--- a/arch/sh/kernel/cpu/sh3/probe.c
+++ b/arch/sh/kernel/cpu/sh3/probe.c
@@ -107,5 +107,7 @@ int __uses_jump_to_uncached detect_cpu_and_cache_system(void)
boot_cpu_data.dcache.flags |= SH_CACHE_COMBINED;
boot_cpu_data.icache = boot_cpu_data.dcache;
+ boot_cpu_data.family = CPU_FAMILY_SH3;
+
return 0;
}
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 6c78d0a9c857..1148607c36bf 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -57,8 +57,12 @@ int __init detect_cpu_and_cache_system(void)
* Setup some generic flags we can probe on SH-4A parts
*/
if (((pvr >> 16) & 0xff) == 0x10) {
- if ((cvr & 0x10000000) == 0)
+ boot_cpu_data.family = CPU_FAMILY_SH4A;
+
+ if ((cvr & 0x10000000) == 0) {
boot_cpu_data.flags |= CPU_HAS_DSP;
+ boot_cpu_data.family = CPU_FAMILY_SH4AL_DSP;
+ }
boot_cpu_data.flags |= CPU_HAS_LLSC | CPU_HAS_PERF_COUNTER;
boot_cpu_data.cut_major = pvr & 0x7f;
@@ -68,6 +72,7 @@ int __init detect_cpu_and_cache_system(void)
} else {
/* And some SH-4 defaults.. */
boot_cpu_data.flags |= CPU_HAS_PTEA;
+ boot_cpu_data.family = CPU_FAMILY_SH4;
}
/* FPU detection works for everyone */
@@ -174,7 +179,7 @@ int __init detect_cpu_and_cache_system(void)
break;
default:
- boot_cpu_data.type = CPU_SH_NONE;
+ boot_cpu_data.type = boot_cpu_data.family = CPU_SH_NONE;
break;
}
diff --git a/arch/sh/kernel/cpu/sh5/probe.c b/arch/sh/kernel/cpu/sh5/probe.c
index 92ad844b5c12..521d05b3f7ba 100644
--- a/arch/sh/kernel/cpu/sh5/probe.c
+++ b/arch/sh/kernel/cpu/sh5/probe.c
@@ -34,6 +34,8 @@ int __init detect_cpu_and_cache_system(void)
/* CPU.VCR aliased at CIR address on SH5-101 */
boot_cpu_data.type = CPU_SH5_101;
+ boot_cpu_data.family = CPU_FAMILY_SH5;
+
/*
* First, setup some sane values for the I-cache.
*/
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index ceb409bf7741..dc403e42bcab 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -49,6 +49,7 @@
struct sh_cpuinfo cpu_data[NR_CPUS] __read_mostly = {
[0] = {
.type = CPU_SH_NONE,
+ .family = CPU_FAMILY_UNKNOWN,
.loops_per_jiffy = 10000000,
},
};
--
GitLab
From ecba1060583635ab55092072441ff903b5e9a659 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 11:05:42 +0900
Subject: [PATCH 151/742] sh: Centralize the CPU cache initialization routines.
This provides a central point for CPU cache initialization routines.
This replaces the antiquated p3_cache_init() method, which the vast
majority of CPUs never cared about.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 3 ++-
arch/sh/include/cpu-common/cpu/cacheflush.h | 2 --
arch/sh/include/cpu-sh2a/cpu/cacheflush.h | 1 -
arch/sh/include/cpu-sh3/cpu/cacheflush.h | 2 --
arch/sh/include/cpu-sh4/cpu/cacheflush.h | 3 ---
arch/sh/include/cpu-sh5/cpu/cacheflush.h | 1 -
arch/sh/mm/cache-sh4.c | 2 +-
arch/sh/mm/cache-sh5.c | 2 +-
arch/sh/mm/cache.c | 11 +++++++++++
arch/sh/mm/init.c | 2 +-
10 files changed, 16 insertions(+), 13 deletions(-)
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 9ec13fb909dd..e37654f7f545 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -12,7 +12,6 @@
*
* See arch/sh/kernel/cpu/init.c:cache_init().
*/
-#define p3_cache_init() do { } while (0)
#define flush_cache_all() do { } while (0)
#define flush_cache_mm(mm) do { } while (0)
#define flush_cache_dup_mm(mm) do { } while (0)
@@ -78,5 +77,7 @@ void kunmap_coherent(void);
#define PG_dcache_dirty PG_arch_1
+void cpu_cache_init(void);
+
#endif /* __KERNEL__ */
#endif /* __ASM_SH_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-common/cpu/cacheflush.h b/arch/sh/include/cpu-common/cpu/cacheflush.h
index c3db00b73605..0c38278509cb 100644
--- a/arch/sh/include/cpu-common/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-common/cpu/cacheflush.h
@@ -39,6 +39,4 @@
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define flush_cache_sigtramp(vaddr) do { } while (0)
-#define p3_cache_init() do { } while (0)
-
#endif /* __ASM_CPU_SH2_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h b/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
index 3d3b9205d2ac..b9eaa19325e2 100644
--- a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
@@ -30,5 +30,4 @@ void flush_icache_range(unsigned long start, unsigned long end);
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define flush_cache_sigtramp(vaddr) do { } while (0)
-#define p3_cache_init() do { } while (0)
#endif /* __ASM_CPU_SH2A_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-sh3/cpu/cacheflush.h b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
index 3b5f3df4e1c8..cf656a093770 100644
--- a/arch/sh/include/cpu-sh3/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
@@ -32,8 +32,6 @@ void flush_icache_page(struct vm_area_struct *vma, struct page *page);
#define flush_cache_sigtramp(vaddr) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
-#define p3_cache_init() do { } while (0)
-
#else
#include <cpu-common/cpu/cacheflush.h>
#endif
diff --git a/arch/sh/include/cpu-sh4/cpu/cacheflush.h b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
index 76764f0fb88a..a28c542f5179 100644
--- a/arch/sh/include/cpu-sh4/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
@@ -35,7 +35,4 @@ void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
#define flush_icache_page(vma,pg) do { } while (0)
-/* Initialization of P3 area for copy_user_page */
-void p3_cache_init(void);
-
#endif /* __ASM_CPU_SH4_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-sh5/cpu/cacheflush.h b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
index 5a11f0b7e66a..8350cc7ed1c5 100644
--- a/arch/sh/include/cpu-sh5/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
@@ -25,7 +25,6 @@ extern void flush_icache_user_range(struct vm_area_struct *vma,
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_icache_page(vma, page) do { } while (0)
-void p3_cache_init(void);
#endif /* __ASSEMBLY__ */
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 92f87a460a81..df2eb87f1524 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -94,7 +94,7 @@ static void __init emit_cache_params(void)
/*
* SH-4 has virtually indexed and physically tagged cache.
*/
-void __init p3_cache_init(void)
+void __init sh4_cache_init(void)
{
compute_alias(&boot_cpu_data.icache);
compute_alias(&boot_cpu_data.dcache);
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index 28f3c8fb1b99..576cad04b11b 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -23,7 +23,7 @@
/* Wired TLB entry for the D-cache */
static unsigned long long dtlb_cache_slot;
-void __init p3_cache_init(void)
+void __init cpu_cache_init(void)
{
/* Reserve a slot for dcache colouring in the DTLB */
dtlb_cache_slot = sh64_get_wired_dtlb_entry();
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index f51d0a4eb3ba..659981ffae24 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -127,3 +127,14 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
__flush_wback_region((void *)addr, PAGE_SIZE);
}
}
+
+void __init cpu_cache_init(void)
+{
+ if ((boot_cpu_data.family == CPU_FAMILY_SH4) ||
+ (boot_cpu_data.family == CPU_FAMILY_SH4A) ||
+ (boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) {
+ extern void __weak sh4_cache_init(void);
+
+ sh4_cache_init();
+ }
+}
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index fe532aeaa16d..cf0e9c5146b1 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -230,7 +230,7 @@ void __init mem_init(void)
datasize >> 10,
initsize >> 10);
- p3_cache_init();
+ cpu_cache_init();
/* Initialize the vDSO */
vsyscall_init();
--
GitLab
From 27d59ec1709817a90aa3ab7169f60994a89ad2f5 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 11:11:16 +0900
Subject: [PATCH 152/742] sh: Move alias computation to shared cache init.
This migrates the alias computation and printing of probed cache
parameters from the SH-4 code to the shared cpu_cache_init().
This permits other platforms with aliases to make use of the same
probe logic without having to roll their own, and also produces
consistent output regardless of platform.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh4.c | 58 ++++--------------------------------------
arch/sh/mm/cache.c | 46 +++++++++++++++++++++++++++++++++
2 files changed, 51 insertions(+), 53 deletions(-)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index df2eb87f1524..4ac844b1432f 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -44,61 +44,15 @@ static void __flush_cache_4096(unsigned long addr, unsigned long phys,
static void (*__flush_dcache_segment_fn)(unsigned long, unsigned long) =
(void (*)(unsigned long, unsigned long))0xdeadbeef;
-static void compute_alias(struct cache_info *c)
-{
- c->alias_mask = ((c->sets - 1) << c->entry_shift) & ~(PAGE_SIZE - 1);
- c->n_aliases = c->alias_mask ? (c->alias_mask >> PAGE_SHIFT) + 1 : 0;
-}
-
-static void __init emit_cache_params(void)
-{
- printk("PVR=%08x CVR=%08x PRR=%08x\n",
- ctrl_inl(CCN_PVR),
- ctrl_inl(CCN_CVR),
- ctrl_inl(CCN_PRR));
- printk("I-cache : n_ways=%d n_sets=%d way_incr=%d\n",
- boot_cpu_data.icache.ways,
- boot_cpu_data.icache.sets,
- boot_cpu_data.icache.way_incr);
- printk("I-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
- boot_cpu_data.icache.entry_mask,
- boot_cpu_data.icache.alias_mask,
- boot_cpu_data.icache.n_aliases);
- printk("D-cache : n_ways=%d n_sets=%d way_incr=%d\n",
- boot_cpu_data.dcache.ways,
- boot_cpu_data.dcache.sets,
- boot_cpu_data.dcache.way_incr);
- printk("D-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
- boot_cpu_data.dcache.entry_mask,
- boot_cpu_data.dcache.alias_mask,
- boot_cpu_data.dcache.n_aliases);
-
- /*
- * Emit Secondary Cache parameters if the CPU has a probed L2.
- */
- if (boot_cpu_data.flags & CPU_HAS_L2_CACHE) {
- printk("S-cache : n_ways=%d n_sets=%d way_incr=%d\n",
- boot_cpu_data.scache.ways,
- boot_cpu_data.scache.sets,
- boot_cpu_data.scache.way_incr);
- printk("S-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
- boot_cpu_data.scache.entry_mask,
- boot_cpu_data.scache.alias_mask,
- boot_cpu_data.scache.n_aliases);
- }
-
- if (!__flush_dcache_segment_fn)
- panic("unknown number of cache ways\n");
-}
-
/*
* SH-4 has virtually indexed and physically tagged cache.
*/
void __init sh4_cache_init(void)
{
- compute_alias(&boot_cpu_data.icache);
- compute_alias(&boot_cpu_data.dcache);
- compute_alias(&boot_cpu_data.scache);
+ printk("PVR=%08x CVR=%08x PRR=%08x\n",
+ ctrl_inl(CCN_PVR),
+ ctrl_inl(CCN_CVR),
+ ctrl_inl(CCN_PRR));
switch (boot_cpu_data.dcache.ways) {
case 1:
@@ -111,11 +65,9 @@ void __init sh4_cache_init(void)
__flush_dcache_segment_fn = __flush_dcache_segment_4way;
break;
default:
- __flush_dcache_segment_fn = NULL;
+ panic("unknown number of cache ways\n");
break;
}
-
- emit_cache_params();
}
/*
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 659981ffae24..a31e5c46e7a6 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -128,8 +128,52 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
}
}
+static void compute_alias(struct cache_info *c)
+{
+ c->alias_mask = ((c->sets - 1) << c->entry_shift) & ~(PAGE_SIZE - 1);
+ c->n_aliases = c->alias_mask ? (c->alias_mask >> PAGE_SHIFT) + 1 : 0;
+}
+
+static void __init emit_cache_params(void)
+{
+ printk(KERN_NOTICE "I-cache : n_ways=%d n_sets=%d way_incr=%d\n",
+ boot_cpu_data.icache.ways,
+ boot_cpu_data.icache.sets,
+ boot_cpu_data.icache.way_incr);
+ printk(KERN_NOTICE "I-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
+ boot_cpu_data.icache.entry_mask,
+ boot_cpu_data.icache.alias_mask,
+ boot_cpu_data.icache.n_aliases);
+ printk(KERN_NOTICE "D-cache : n_ways=%d n_sets=%d way_incr=%d\n",
+ boot_cpu_data.dcache.ways,
+ boot_cpu_data.dcache.sets,
+ boot_cpu_data.dcache.way_incr);
+ printk(KERN_NOTICE "D-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
+ boot_cpu_data.dcache.entry_mask,
+ boot_cpu_data.dcache.alias_mask,
+ boot_cpu_data.dcache.n_aliases);
+
+ /*
+ * Emit Secondary Cache parameters if the CPU has a probed L2.
+ */
+ if (boot_cpu_data.flags & CPU_HAS_L2_CACHE) {
+ printk(KERN_NOTICE "S-cache : n_ways=%d n_sets=%d way_incr=%d\n",
+ boot_cpu_data.scache.ways,
+ boot_cpu_data.scache.sets,
+ boot_cpu_data.scache.way_incr);
+ printk(KERN_NOTICE "S-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
+ boot_cpu_data.scache.entry_mask,
+ boot_cpu_data.scache.alias_mask,
+ boot_cpu_data.scache.n_aliases);
+ }
+}
+
void __init cpu_cache_init(void)
{
+ compute_alias(&boot_cpu_data.icache);
+ compute_alias(&boot_cpu_data.dcache);
+ compute_alias(&boot_cpu_data.scache);
+
if ((boot_cpu_data.family == CPU_FAMILY_SH4) ||
(boot_cpu_data.family == CPU_FAMILY_SH4A) ||
(boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) {
@@ -137,4 +181,6 @@ void __init cpu_cache_init(void)
sh4_cache_init();
}
+
+ emit_cache_params();
}
--
GitLab
From 0b445dcaf3adda5bec5cc494925bc689fcc59a0e Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 11:22:50 +0900
Subject: [PATCH 153/742] sh: Don't export flush_dcache_all().
flush_dcache_all() is used internally by the SH-4 cache code, it is not
part of the exported cache API, so make it static and don't export it.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/cpu-sh4/cpu/cacheflush.h | 1 -
arch/sh/mm/cache-sh4.c | 2 +-
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/sh/include/cpu-sh4/cpu/cacheflush.h b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
index a28c542f5179..0afcf94ae554 100644
--- a/arch/sh/include/cpu-sh4/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
@@ -17,7 +17,6 @@
* so we need them.
*/
void flush_cache_all(void);
-void flush_dcache_all(void);
void flush_cache_mm(struct mm_struct *mm);
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 4ac844b1432f..4466787a52aa 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -182,7 +182,7 @@ static void __uses_jump_to_uncached flush_icache_all(void)
local_irq_restore(flags);
}
-void flush_dcache_all(void)
+static inline void flush_dcache_all(void)
{
(*__flush_dcache_segment_fn)(0UL, boot_cpu_data.dcache.way_size);
wmb();
--
GitLab
From 7fbb2d3bdd33e58f54e360df0723d754f0b66153 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 11:25:32 +0900
Subject: [PATCH 154/742] sh: consolidate flush_dcache_mmap_lock/unlock()
definitions.
All of the flush_dcache_mmap_lock()/flush_dcache_mmap_unlock()
definitions are identical across all CPUs, so just provide them
generically in asm/cacheflush.h.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 5 +++--
arch/sh/include/cpu-common/cpu/cacheflush.h | 2 --
arch/sh/include/cpu-sh2a/cpu/cacheflush.h | 2 --
arch/sh/include/cpu-sh3/cpu/cacheflush.h | 3 ---
arch/sh/include/cpu-sh4/cpu/cacheflush.h | 4 ----
arch/sh/include/cpu-sh5/cpu/cacheflush.h | 4 ----
6 files changed, 3 insertions(+), 17 deletions(-)
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index e37654f7f545..52488eb6b739 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -20,8 +20,6 @@
#define flush_dcache_page(page) do { } while (0)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma,pg) do { } while (0)
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_sigtramp(vaddr) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define __flush_wback_region(start, size) do { (void)(start); } while (0)
@@ -71,6 +69,9 @@ extern void copy_from_user_page(struct vm_area_struct *vma,
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
+#define flush_dcache_mmap_lock(mapping) do { } while (0)
+#define flush_dcache_mmap_unlock(mapping) do { } while (0)
+
void kmap_coherent_init(void);
void *kmap_coherent(struct page *page, unsigned long addr);
void kunmap_coherent(void);
diff --git a/arch/sh/include/cpu-common/cpu/cacheflush.h b/arch/sh/include/cpu-common/cpu/cacheflush.h
index 0c38278509cb..b8c0a0a0c827 100644
--- a/arch/sh/include/cpu-common/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-common/cpu/cacheflush.h
@@ -32,8 +32,6 @@
#define flush_cache_range(vma, start, end) do { } while (0)
#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
#define flush_dcache_page(page) do { } while (0)
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma,pg) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
diff --git a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h b/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
index b9eaa19325e2..e9ecb6d3dd34 100644
--- a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
@@ -23,8 +23,6 @@
#define flush_cache_range(vma, start, end) do { } while (0)
#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
#define flush_dcache_page(page) do { } while (0)
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
void flush_icache_range(unsigned long start, unsigned long end);
#define flush_icache_page(vma,pg) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
diff --git a/arch/sh/include/cpu-sh3/cpu/cacheflush.h b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
index cf656a093770..98c7a7324551 100644
--- a/arch/sh/include/cpu-sh3/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
@@ -25,9 +25,6 @@ void flush_dcache_page(struct page *pg);
void flush_icache_range(unsigned long start, unsigned long end);
void flush_icache_page(struct vm_area_struct *vma, struct page *page);
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
-
/* SH3 has unified cache so no special action needed here */
#define flush_cache_sigtramp(vaddr) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
diff --git a/arch/sh/include/cpu-sh4/cpu/cacheflush.h b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
index 0afcf94ae554..67d9bc98a589 100644
--- a/arch/sh/include/cpu-sh4/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
@@ -24,10 +24,6 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
void flush_cache_page(struct vm_area_struct *vma, unsigned long addr,
unsigned long pfn);
void flush_dcache_page(struct page *pg);
-
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
-
void flush_icache_range(unsigned long start, unsigned long end);
void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
unsigned long addr, int len);
diff --git a/arch/sh/include/cpu-sh5/cpu/cacheflush.h b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
index 8350cc7ed1c5..e9c26bdf3142 100644
--- a/arch/sh/include/cpu-sh5/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
@@ -20,10 +20,6 @@ extern void flush_icache_user_range(struct vm_area_struct *vma,
int len);
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
-
-#define flush_dcache_mmap_lock(mapping) do { } while (0)
-#define flush_dcache_mmap_unlock(mapping) do { } while (0)
-
#define flush_icache_page(vma, page) do { } while (0)
#endif /* __ASSEMBLY__ */
--
GitLab
From 916e97834e023f89b31f796b53cc9c7956e7fe17 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 11:38:05 +0900
Subject: [PATCH 155/742] sh: Kill off unused flush_icache_user_range().
We use flush_cache_page() outright in copy_to_user_page(), and nothing
else needs it, so just kill it off. SH-5 still defines its own version,
but that too will go away in the same fashion once it converts over.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 1 -
arch/sh/include/cpu-common/cpu/cacheflush.h | 1 -
arch/sh/include/cpu-sh2a/cpu/cacheflush.h | 1 -
arch/sh/include/cpu-sh3/cpu/cacheflush.h | 1 -
arch/sh/include/cpu-sh4/cpu/cacheflush.h | 2 --
arch/sh/include/cpu-sh5/cpu/cacheflush.h | 3 ---
arch/sh/mm/cache-sh4.c | 14 --------------
arch/sh/mm/cache-sh5.c | 2 +-
8 files changed, 1 insertion(+), 24 deletions(-)
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 52488eb6b739..b1cf30f423af 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -21,7 +21,6 @@
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma,pg) do { } while (0)
#define flush_cache_sigtramp(vaddr) do { } while (0)
-#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define __flush_wback_region(start, size) do { (void)(start); } while (0)
#define __flush_purge_region(start, size) do { (void)(start); } while (0)
#define __flush_invalidate_region(start, size) do { (void)(start); } while (0)
diff --git a/arch/sh/include/cpu-common/cpu/cacheflush.h b/arch/sh/include/cpu-common/cpu/cacheflush.h
index b8c0a0a0c827..5dc3736218e7 100644
--- a/arch/sh/include/cpu-common/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-common/cpu/cacheflush.h
@@ -34,7 +34,6 @@
#define flush_dcache_page(page) do { } while (0)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma,pg) do { } while (0)
-#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define flush_cache_sigtramp(vaddr) do { } while (0)
#endif /* __ASM_CPU_SH2_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h b/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
index e9ecb6d3dd34..32a529187a38 100644
--- a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
@@ -25,7 +25,6 @@
#define flush_dcache_page(page) do { } while (0)
void flush_icache_range(unsigned long start, unsigned long end);
#define flush_icache_page(vma,pg) do { } while (0)
-#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define flush_cache_sigtramp(vaddr) do { } while (0)
#endif /* __ASM_CPU_SH2A_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-sh3/cpu/cacheflush.h b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
index 98c7a7324551..0f5cf5460d05 100644
--- a/arch/sh/include/cpu-sh3/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
@@ -27,7 +27,6 @@ void flush_icache_page(struct vm_area_struct *vma, struct page *page);
/* SH3 has unified cache so no special action needed here */
#define flush_cache_sigtramp(vaddr) do { } while (0)
-#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#else
#include <cpu-common/cpu/cacheflush.h>
diff --git a/arch/sh/include/cpu-sh4/cpu/cacheflush.h b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
index 67d9bc98a589..d6bd396d7dfb 100644
--- a/arch/sh/include/cpu-sh4/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
@@ -25,8 +25,6 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long addr,
unsigned long pfn);
void flush_dcache_page(struct page *pg);
void flush_icache_range(unsigned long start, unsigned long end);
-void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
- unsigned long addr, int len);
#define flush_icache_page(vma,pg) do { } while (0)
diff --git a/arch/sh/include/cpu-sh5/cpu/cacheflush.h b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
index e9c26bdf3142..740d10a316ef 100644
--- a/arch/sh/include/cpu-sh5/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
@@ -15,9 +15,6 @@ extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
extern void flush_dcache_page(struct page *pg);
extern void flush_icache_range(unsigned long start, unsigned long end);
-extern void flush_icache_user_range(struct vm_area_struct *vma,
- struct page *page, unsigned long addr,
- int len);
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
#define flush_icache_page(vma, page) do { } while (0)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 4466787a52aa..b5860535e61f 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -401,20 +401,6 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
}
}
-/*
- * flush_icache_user_range
- * @vma: VMA of the process
- * @page: page
- * @addr: U0 address
- * @len: length of the range (< page size)
- */
-void flush_icache_user_range(struct vm_area_struct *vma,
- struct page *page, unsigned long addr, int len)
-{
- flush_cache_page(vma, addr, page_to_pfn(page));
- mb();
-}
-
/**
* __flush_cache_4096
*
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index 576cad04b11b..a50d23caf015 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -655,7 +655,7 @@ void flush_icache_range(unsigned long start, unsigned long end)
* range following a poke into the program text through the ptrace() call
* from another process (e.g. for BRK instruction insertion).
*/
-void flush_icache_user_range(struct vm_area_struct *vma,
+static void flush_icache_user_range(struct vm_area_struct *vma,
struct page *page, unsigned long addr, int len)
{
--
GitLab
From 37443ef3f0406e855e169c87ae3f4ffb4b6ff635 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 12:29:49 +0900
Subject: [PATCH 156/742] sh: Migrate SH-4 cacheflush ops to function pointers.
This paves the way for allowing individual CPUs to overload the
individual flushing routines that they care about without having to
depend on weak aliases. SH-4 is converted over initially, as it wires
up pretty much everything. The majority of the other CPUs will simply use
the default no-op implementation with their own region flushers wired up.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 37 +--------
arch/sh/include/cpu-common/cpu/cacheflush.h | 37 +++++----
arch/sh/include/cpu-sh4/cpu/cacheflush.h | 31 --------
arch/sh/include/cpu-sh5/cpu/cacheflush.h | 10 +--
arch/sh/mm/cache-sh4.c | 87 +++++++++++----------
arch/sh/mm/cache-sh5.c | 4 +
arch/sh/mm/cache.c | 70 +++++++++++++++++
arch/sh/mm/flush-sh4.c | 13 ++-
arch/sh/mm/init.c | 5 +-
9 files changed, 159 insertions(+), 135 deletions(-)
delete mode 100644 arch/sh/include/cpu-sh4/cpu/cacheflush.h
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index b1cf30f423af..25b7f46494de 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -1,46 +1,11 @@
#ifndef __ASM_SH_CACHEFLUSH_H
#define __ASM_SH_CACHEFLUSH_H
-#include <linux/mm.h>
-
#ifdef __KERNEL__
-#ifdef CONFIG_CACHE_OFF
-/*
- * Nothing to do when the cache is disabled, initial flush and explicit
- * disabling is handled at CPU init time.
- *
- * See arch/sh/kernel/cpu/init.c:cache_init().
- */
-#define flush_cache_all() do { } while (0)
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_dup_mm(mm) do { } while (0)
-#define flush_cache_range(vma, start, end) do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
-#define flush_dcache_page(page) do { } while (0)
-#define flush_icache_range(start, end) do { } while (0)
-#define flush_icache_page(vma,pg) do { } while (0)
-#define flush_cache_sigtramp(vaddr) do { } while (0)
-#define __flush_wback_region(start, size) do { (void)(start); } while (0)
-#define __flush_purge_region(start, size) do { (void)(start); } while (0)
-#define __flush_invalidate_region(start, size) do { (void)(start); } while (0)
-#else
+#include <linux/mm.h>
#include <cpu/cacheflush.h>
-/*
- * Consistent DMA requires that the __flush_xxx() primitives must be set
- * for any of the enabled non-coherent caches (most of the UP CPUs),
- * regardless of PIPT or VIPT cache configurations.
- */
-
-/* Flush (write-back only) a region (smaller than a page) */
-extern void __flush_wback_region(void *start, int size);
-/* Flush (write-back & invalidate) a region (smaller than a page) */
-extern void __flush_purge_region(void *start, int size);
-/* Flush (invalidate only) a region (smaller than a page) */
-extern void __flush_invalidate_region(void *start, int size);
-#endif
-
#define ARCH_HAS_FLUSH_ANON_PAGE
extern void __flush_anon_page(struct page *page, unsigned long);
diff --git a/arch/sh/include/cpu-common/cpu/cacheflush.h b/arch/sh/include/cpu-common/cpu/cacheflush.h
index 5dc3736218e7..8189dbd68f8f 100644
--- a/arch/sh/include/cpu-common/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-common/cpu/cacheflush.h
@@ -1,14 +1,12 @@
/*
- * include/asm-sh/cpu-sh2/cacheflush.h
- *
* Copyright (C) 2003 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
-#ifndef __ASM_CPU_SH2_CACHEFLUSH_H
-#define __ASM_CPU_SH2_CACHEFLUSH_H
+#ifndef __ASM_CPU_SH_CACHEFLUSH_H
+#define __ASM_CPU_SH_CACHEFLUSH_H
/*
* Cache flushing:
@@ -22,18 +20,23 @@
* - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
* - flush_icache_range(start, end) flushes(invalidates) a range for icache
* - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
- *
- * Caches are indexed (effectively) by physical address on SH-2, so
- * we don't need them.
+ * - flush_cache_sigtramp(vaddr) flushes the signal trampoline
*/
-#define flush_cache_all() do { } while (0)
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_dup_mm(mm) do { } while (0)
-#define flush_cache_range(vma, start, end) do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
-#define flush_dcache_page(page) do { } while (0)
-#define flush_icache_range(start, end) do { } while (0)
-#define flush_icache_page(vma,pg) do { } while (0)
-#define flush_cache_sigtramp(vaddr) do { } while (0)
+extern void (*flush_cache_all)(void);
+extern void (*flush_cache_mm)(struct mm_struct *mm);
+extern void (*flush_cache_dup_mm)(struct mm_struct *mm);
+extern void (*flush_cache_page)(struct vm_area_struct *vma,
+ unsigned long addr, unsigned long pfn);
+extern void (*flush_cache_range)(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end);
+extern void (*flush_dcache_page)(struct page *page);
+extern void (*flush_icache_range)(unsigned long start, unsigned long end);
+extern void (*flush_icache_page)(struct vm_area_struct *vma,
+ struct page *page);
+extern void (*flush_cache_sigtramp)(unsigned long address);
+
+extern void (*__flush_wback_region)(void *start, int size);
+extern void (*__flush_purge_region)(void *start, int size);
+extern void (*__flush_invalidate_region)(void *start, int size);
-#endif /* __ASM_CPU_SH2_CACHEFLUSH_H */
+#endif /* __ASM_CPU_SH_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-sh4/cpu/cacheflush.h b/arch/sh/include/cpu-sh4/cpu/cacheflush.h
deleted file mode 100644
index d6bd396d7dfb..000000000000
--- a/arch/sh/include/cpu-sh4/cpu/cacheflush.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * include/asm-sh/cpu-sh4/cacheflush.h
- *
- * Copyright (C) 1999 Niibe Yutaka
- * Copyright (C) 2003 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_CPU_SH4_CACHEFLUSH_H
-#define __ASM_CPU_SH4_CACHEFLUSH_H
-
-/*
- * Caches are broken on SH-4 (unless we use write-through
- * caching; in which case they're only semi-broken),
- * so we need them.
- */
-void flush_cache_all(void);
-void flush_cache_mm(struct mm_struct *mm);
-#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
-void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-void flush_cache_page(struct vm_area_struct *vma, unsigned long addr,
- unsigned long pfn);
-void flush_dcache_page(struct page *pg);
-void flush_icache_range(unsigned long start, unsigned long end);
-
-#define flush_icache_page(vma,pg) do { } while (0)
-
-#endif /* __ASM_CPU_SH4_CACHEFLUSH_H */
diff --git a/arch/sh/include/cpu-sh5/cpu/cacheflush.h b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
index 740d10a316ef..202f637a0e17 100644
--- a/arch/sh/include/cpu-sh5/cpu/cacheflush.h
+++ b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
@@ -3,10 +3,6 @@
#ifndef __ASSEMBLY__
-struct vm_area_struct;
-struct page;
-struct mm_struct;
-
extern void flush_cache_all(void);
extern void flush_cache_mm(struct mm_struct *mm);
extern void flush_cache_sigtramp(unsigned long vaddr);
@@ -16,10 +12,14 @@ extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, uns
extern void flush_dcache_page(struct page *pg);
extern void flush_icache_range(unsigned long start, unsigned long end);
+/* XXX .. */
+extern void (*__flush_wback_region)(void *start, int size);
+extern void (*__flush_purge_region)(void *start, int size);
+extern void (*__flush_invalidate_region)(void *start, int size);
+
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
#define flush_icache_page(vma, page) do { } while (0)
#endif /* __ASSEMBLY__ */
#endif /* __ASM_SH_CPU_SH5_CACHEFLUSH_H */
-
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index b5860535e61f..05cb04bc3940 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -26,13 +26,6 @@
#define MAX_DCACHE_PAGES 64 /* XXX: Tune for ways */
#define MAX_ICACHE_PAGES 32
-static void __flush_dcache_segment_1way(unsigned long start,
- unsigned long extent);
-static void __flush_dcache_segment_2way(unsigned long start,
- unsigned long extent);
-static void __flush_dcache_segment_4way(unsigned long start,
- unsigned long extent);
-
static void __flush_cache_4096(unsigned long addr, unsigned long phys,
unsigned long exec_offset);
@@ -44,39 +37,13 @@ static void __flush_cache_4096(unsigned long addr, unsigned long phys,
static void (*__flush_dcache_segment_fn)(unsigned long, unsigned long) =
(void (*)(unsigned long, unsigned long))0xdeadbeef;
-/*
- * SH-4 has virtually indexed and physically tagged cache.
- */
-void __init sh4_cache_init(void)
-{
- printk("PVR=%08x CVR=%08x PRR=%08x\n",
- ctrl_inl(CCN_PVR),
- ctrl_inl(CCN_CVR),
- ctrl_inl(CCN_PRR));
-
- switch (boot_cpu_data.dcache.ways) {
- case 1:
- __flush_dcache_segment_fn = __flush_dcache_segment_1way;
- break;
- case 2:
- __flush_dcache_segment_fn = __flush_dcache_segment_2way;
- break;
- case 4:
- __flush_dcache_segment_fn = __flush_dcache_segment_4way;
- break;
- default:
- panic("unknown number of cache ways\n");
- break;
- }
-}
-
/*
* Write back the range of D-cache, and purge the I-cache.
*
* Called from kernel/module.c:sys_init_module and routine for a.out format,
* signal handler code and kprobes code
*/
-void flush_icache_range(unsigned long start, unsigned long end)
+static void sh4_flush_icache_range(unsigned long start, unsigned long end)
{
int icacheaddr;
unsigned long flags, v;
@@ -137,7 +104,7 @@ static inline void flush_cache_4096(unsigned long start,
* Write back & invalidate the D-cache of the page.
* (To avoid "alias" issues)
*/
-void flush_dcache_page(struct page *page)
+static void sh4_flush_dcache_page(struct page *page)
{
struct address_space *mapping = page_mapping(page);
@@ -188,7 +155,7 @@ static inline void flush_dcache_all(void)
wmb();
}
-void flush_cache_all(void)
+static void sh4_flush_cache_all(void)
{
flush_dcache_all();
flush_icache_all();
@@ -280,7 +247,7 @@ loop_exit:
*
* Caller takes mm->mmap_sem.
*/
-void flush_cache_mm(struct mm_struct *mm)
+static void sh4_flush_cache_mm(struct mm_struct *mm)
{
if (cpu_context(smp_processor_id(), mm) == NO_CONTEXT)
return;
@@ -320,8 +287,8 @@ void flush_cache_mm(struct mm_struct *mm)
* ADDR: Virtual Address (U0 address)
* PFN: Physical page number
*/
-void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
- unsigned long pfn)
+static void sh4_flush_cache_page(struct vm_area_struct *vma,
+ unsigned long address, unsigned long pfn)
{
unsigned long phys = pfn << PAGE_SHIFT;
unsigned int alias_mask;
@@ -368,8 +335,8 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
* Flushing the cache lines for U0 only isn't enough.
* We need to flush for P1 too, which may contain aliases.
*/
-void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end)
+static void sh4_flush_cache_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end)
{
if (cpu_context(smp_processor_id(), vma->vm_mm) == NO_CONTEXT)
return;
@@ -668,3 +635,41 @@ static void __flush_dcache_segment_4way(unsigned long start,
a3 += linesz;
} while (a0 < a0e);
}
+
+extern void __weak sh4__flush_region_init(void);
+
+/*
+ * SH-4 has virtually indexed and physically tagged cache.
+ */
+void __init sh4_cache_init(void)
+{
+ printk("PVR=%08x CVR=%08x PRR=%08x\n",
+ ctrl_inl(CCN_PVR),
+ ctrl_inl(CCN_CVR),
+ ctrl_inl(CCN_PRR));
+
+ switch (boot_cpu_data.dcache.ways) {
+ case 1:
+ __flush_dcache_segment_fn = __flush_dcache_segment_1way;
+ break;
+ case 2:
+ __flush_dcache_segment_fn = __flush_dcache_segment_2way;
+ break;
+ case 4:
+ __flush_dcache_segment_fn = __flush_dcache_segment_4way;
+ break;
+ default:
+ panic("unknown number of cache ways\n");
+ break;
+ }
+
+ flush_icache_range = sh4_flush_icache_range;
+ flush_dcache_page = sh4_flush_dcache_page;
+ flush_cache_all = sh4_flush_cache_all;
+ flush_cache_mm = sh4_flush_cache_mm;
+ flush_cache_dup_mm = sh4_flush_cache_mm;
+ flush_cache_page = sh4_flush_cache_page;
+ flush_cache_range = sh4_flush_cache_range;
+
+ sh4__flush_region_init();
+}
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index a50d23caf015..a8f5142dc2cf 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -20,6 +20,8 @@
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
+extern void __weak sh4__flush_region_init(void);
+
/* Wired TLB entry for the D-cache */
static unsigned long long dtlb_cache_slot;
@@ -27,6 +29,8 @@ void __init cpu_cache_init(void)
{
/* Reserve a slot for dcache colouring in the DTLB */
dtlb_cache_slot = sh64_get_wired_dtlb_entry();
+
+ sh4__flush_region_init();
}
void __init kmap_coherent_init(void)
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index a31e5c46e7a6..da5bc6ac1b28 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -15,6 +15,62 @@
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
+void (*flush_cache_all)(void);
+void (*flush_cache_mm)(struct mm_struct *mm);
+void (*flush_cache_dup_mm)(struct mm_struct *mm);
+void (*flush_cache_page)(struct vm_area_struct *vma,
+ unsigned long addr, unsigned long pfn);
+void (*flush_cache_range)(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end);
+void (*flush_dcache_page)(struct page *page);
+void (*flush_icache_range)(unsigned long start, unsigned long end);
+void (*flush_icache_page)(struct vm_area_struct *vma,
+ struct page *page);
+void (*flush_cache_sigtramp)(unsigned long address);
+void (*__flush_wback_region)(void *start, int size);
+void (*__flush_purge_region)(void *start, int size);
+void (*__flush_invalidate_region)(void *start, int size);
+
+static inline void noop_flush_cache_all(void)
+{
+}
+
+static inline void noop_flush_cache_mm(struct mm_struct *mm)
+{
+}
+
+static inline void noop_flush_cache_page(struct vm_area_struct *vma,
+ unsigned long addr, unsigned long pfn)
+{
+}
+
+static inline void noop_flush_cache_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end)
+{
+}
+
+static inline void noop_flush_dcache_page(struct page *page)
+{
+}
+
+static inline void noop_flush_icache_range(unsigned long start,
+ unsigned long end)
+{
+}
+
+static inline void noop_flush_icache_page(struct vm_area_struct *vma,
+ struct page *page)
+{
+}
+
+static inline void noop_flush_cache_sigtramp(unsigned long address)
+{
+}
+
+static inline void noop__flush_region(void *start, int size)
+{
+}
+
void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
unsigned long len)
@@ -174,6 +230,20 @@ void __init cpu_cache_init(void)
compute_alias(&boot_cpu_data.dcache);
compute_alias(&boot_cpu_data.scache);
+ flush_cache_all = noop_flush_cache_all;
+ flush_cache_mm = noop_flush_cache_mm;
+ flush_cache_dup_mm = noop_flush_cache_mm;
+ flush_cache_page = noop_flush_cache_page;
+ flush_cache_range = noop_flush_cache_range;
+ flush_dcache_page = noop_flush_dcache_page;
+ flush_icache_range = noop_flush_icache_range;
+ flush_icache_page = noop_flush_icache_page;
+ flush_cache_sigtramp = noop_flush_cache_sigtramp;
+
+ __flush_wback_region = noop__flush_region;
+ __flush_purge_region = noop__flush_region;
+ __flush_invalidate_region = noop__flush_region;
+
if ((boot_cpu_data.family == CPU_FAMILY_SH4) ||
(boot_cpu_data.family == CPU_FAMILY_SH4A) ||
(boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) {
diff --git a/arch/sh/mm/flush-sh4.c b/arch/sh/mm/flush-sh4.c
index 1b6b6a12a99b..99c50dc7551e 100644
--- a/arch/sh/mm/flush-sh4.c
+++ b/arch/sh/mm/flush-sh4.c
@@ -8,7 +8,7 @@
* START: Virtual Address (U0, P1, or P3)
* SIZE: Size of the region.
*/
-void __weak __flush_wback_region(void *start, int size)
+static void sh4__flush_wback_region(void *start, int size)
{
reg_size_t aligned_start, v, cnt, end;
@@ -51,7 +51,7 @@ void __weak __flush_wback_region(void *start, int size)
* START: Virtual Address (U0, P1, or P3)
* SIZE: Size of the region.
*/
-void __weak __flush_purge_region(void *start, int size)
+static void sh4__flush_purge_region(void *start, int size)
{
reg_size_t aligned_start, v, cnt, end;
@@ -90,7 +90,7 @@ void __weak __flush_purge_region(void *start, int size)
/*
* No write back please
*/
-void __weak __flush_invalidate_region(void *start, int size)
+static void sh4__flush_invalidate_region(void *start, int size)
{
reg_size_t aligned_start, v, cnt, end;
@@ -126,3 +126,10 @@ void __weak __flush_invalidate_region(void *start, int size)
cnt--;
}
}
+
+void __init sh4__flush_region_init(void)
+{
+ __flush_wback_region = sh4__flush_wback_region;
+ __flush_invalidate_region = sh4__flush_invalidate_region;
+ __flush_purge_region = sh4__flush_purge_region;
+}
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index cf0e9c5146b1..0a9b4d855bc9 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -210,6 +210,9 @@ void __init mem_init(void)
high_memory = node_high_memory;
}
+ /* Set this up early, so we can take care of the zero page */
+ cpu_cache_init();
+
/* clear the zero-page */
memset(empty_zero_page, 0, PAGE_SIZE);
__flush_wback_region(empty_zero_page, PAGE_SIZE);
@@ -230,8 +233,6 @@ void __init mem_init(void)
datasize >> 10,
initsize >> 10);
- cpu_cache_init();
-
/* Initialize the vDSO */
vsyscall_init();
}
--
GitLab
From 109b44a82a7a8ae32d7fb257480f92f2d96f0daf Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 12:35:15 +0900
Subject: [PATCH 157/742] sh: Convert SH-2 to new cacheflush interface.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh2.c | 13 ++++++++++---
arch/sh/mm/cache.c | 6 ++++++
2 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/arch/sh/mm/cache-sh2.c b/arch/sh/mm/cache-sh2.c
index c4e80d2b764b..699a71f46327 100644
--- a/arch/sh/mm/cache-sh2.c
+++ b/arch/sh/mm/cache-sh2.c
@@ -16,7 +16,7 @@
#include <asm/cacheflush.h>
#include <asm/io.h>
-void __flush_wback_region(void *start, int size)
+static void sh2__flush_wback_region(void *start, int size)
{
unsigned long v;
unsigned long begin, end;
@@ -37,7 +37,7 @@ void __flush_wback_region(void *start, int size)
}
}
-void __flush_purge_region(void *start, int size)
+static void sh2__flush_purge_region(void *start, int size)
{
unsigned long v;
unsigned long begin, end;
@@ -51,7 +51,7 @@ void __flush_purge_region(void *start, int size)
CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0) | 0x00000008);
}
-void __flush_invalidate_region(void *start, int size)
+static void sh2__flush_invalidate_region(void *start, int size)
{
#ifdef CONFIG_CACHE_WRITEBACK
/*
@@ -82,3 +82,10 @@ void __flush_invalidate_region(void *start, int size)
CACHE_OC_ADDRESS_ARRAY | (v & 0x00000ff0) | 0x00000008);
#endif
}
+
+void __init sh2_cache_init(void)
+{
+ __flush_wback_region = sh2__flush_wback_region;
+ __flush_purge_region = sh2__flush_purge_region;
+ __flush_invalidate_region = sh2__flush_invalidate_region;
+}
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index da5bc6ac1b28..5ac299d6604e 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -244,6 +244,12 @@ void __init cpu_cache_init(void)
__flush_purge_region = noop__flush_region;
__flush_invalidate_region = noop__flush_region;
+ if (boot_cpu_data.family == CPU_FAMILY_SH2) {
+ extern void __weak sh2_cache_init(void);
+
+ sh2_cache_init();
+ }
+
if ((boot_cpu_data.family == CPU_FAMILY_SH4) ||
(boot_cpu_data.family == CPU_FAMILY_SH4A) ||
(boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) {
--
GitLab
From a58e1a2ab4f6334c50dfbda83d3a5c6e0b2b4bee Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 12:38:29 +0900
Subject: [PATCH 158/742] sh: Convert SH-2A to new cacheflush interface.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/cpu-sh2a/cpu/cacheflush.h | 30 -----------------------
arch/sh/mm/cache-sh2a.c | 17 ++++++++++---
arch/sh/mm/cache.c | 6 +++++
3 files changed, 19 insertions(+), 34 deletions(-)
delete mode 100644 arch/sh/include/cpu-sh2a/cpu/cacheflush.h
diff --git a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h b/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
deleted file mode 100644
index 32a529187a38..000000000000
--- a/arch/sh/include/cpu-sh2a/cpu/cacheflush.h
+++ /dev/null
@@ -1,30 +0,0 @@
-#ifndef __ASM_CPU_SH2A_CACHEFLUSH_H
-#define __ASM_CPU_SH2A_CACHEFLUSH_H
-
-/*
- * Cache flushing:
- *
- * - flush_cache_all() flushes entire cache
- * - flush_cache_mm(mm) flushes the specified mm context's cache lines
- * - flush_cache_dup mm(mm) handles cache flushing when forking
- * - flush_cache_page(mm, vmaddr, pfn) flushes a single page
- * - flush_cache_range(vma, start, end) flushes a range of pages
- *
- * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
- * - flush_icache_range(start, end) flushes(invalidates) a range for icache
- * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
- *
- * Caches are indexed (effectively) by physical address on SH-2, so
- * we don't need them.
- */
-#define flush_cache_all() do { } while (0)
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_dup_mm(mm) do { } while (0)
-#define flush_cache_range(vma, start, end) do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
-#define flush_dcache_page(page) do { } while (0)
-void flush_icache_range(unsigned long start, unsigned long end);
-#define flush_icache_page(vma,pg) do { } while (0)
-#define flush_cache_sigtramp(vaddr) do { } while (0)
-
-#endif /* __ASM_CPU_SH2A_CACHEFLUSH_H */
diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c
index 24d86a794065..96a41872dfd3 100644
--- a/arch/sh/mm/cache-sh2a.c
+++ b/arch/sh/mm/cache-sh2a.c
@@ -15,7 +15,7 @@
#include <asm/cacheflush.h>
#include <asm/io.h>
-void __flush_wback_region(void *start, int size)
+static void sh2a__flush_wback_region(void *start, int size)
{
unsigned long v;
unsigned long begin, end;
@@ -44,7 +44,7 @@ void __flush_wback_region(void *start, int size)
local_irq_restore(flags);
}
-void __flush_purge_region(void *start, int size)
+static void sh2a__flush_purge_region(void *start, int size)
{
unsigned long v;
unsigned long begin, end;
@@ -65,7 +65,7 @@ void __flush_purge_region(void *start, int size)
local_irq_restore(flags);
}
-void __flush_invalidate_region(void *start, int size)
+static void sh2a__flush_invalidate_region(void *start, int size)
{
unsigned long v;
unsigned long begin, end;
@@ -97,7 +97,7 @@ void __flush_invalidate_region(void *start, int size)
}
/* WBack O-Cache and flush I-Cache */
-void flush_icache_range(unsigned long start, unsigned long end)
+static void sh2a_flush_icache_range(unsigned long start, unsigned long end)
{
unsigned long v;
unsigned long flags;
@@ -127,3 +127,12 @@ void flush_icache_range(unsigned long start, unsigned long end)
back_to_cached();
local_irq_restore(flags);
}
+
+void __init sh2a_cache_init(void)
+{
+ flush_icache_range = sh2a_flush_icache_range;
+
+ __flush_wback_region = sh2a__flush_wback_region;
+ __flush_purge_region = sh2a__flush_purge_region;
+ __flush_invalidate_region = sh2a__flush_invalidate_region;
+}
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 5ac299d6604e..b56cce408912 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -250,6 +250,12 @@ void __init cpu_cache_init(void)
sh2_cache_init();
}
+ if (boot_cpu_data.family == CPU_FAMILY_SH2A) {
+ extern void __weak sh2a_cache_init(void);
+
+ sh2a_cache_init();
+ }
+
if ((boot_cpu_data.family == CPU_FAMILY_SH4) ||
(boot_cpu_data.family == CPU_FAMILY_SH4A) ||
(boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) {
--
GitLab
From 79f1c9da5e5fc5f4705836d8c1cee2213fc80640 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 12:42:55 +0900
Subject: [PATCH 159/742] sh: Convert SH-3 to new cacheflush interface.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh3.c | 25 +++++++++++++++----------
arch/sh/mm/cache.c | 6 ++++++
2 files changed, 21 insertions(+), 10 deletions(-)
diff --git a/arch/sh/mm/cache-sh3.c b/arch/sh/mm/cache-sh3.c
index 6d1dbec08ad4..faef80c98134 100644
--- a/arch/sh/mm/cache-sh3.c
+++ b/arch/sh/mm/cache-sh3.c
@@ -32,7 +32,7 @@
* SIZE: Size of the region.
*/
-void __flush_wback_region(void *start, int size)
+static void sh3__flush_wback_region(void *start, int size)
{
unsigned long v, j;
unsigned long begin, end;
@@ -71,7 +71,7 @@ void __flush_wback_region(void *start, int size)
* START: Virtual Address (U0, P1, or P3)
* SIZE: Size of the region.
*/
-void __flush_purge_region(void *start, int size)
+static void sh3__flush_purge_region(void *start, int size)
{
unsigned long v;
unsigned long begin, end;
@@ -90,11 +90,16 @@ void __flush_purge_region(void *start, int size)
}
}
-/*
- * No write back please
- *
- * Except I don't think there's any way to avoid the writeback. So we
- * just alias it to __flush_purge_region(). dwmw2.
- */
-void __flush_invalidate_region(void *start, int size)
- __attribute__((alias("__flush_purge_region")));
+void __init sh3_cache_init(void)
+{
+ __flush_wback_region = sh3__flush_wback_region;
+ __flush_purge_region = sh3__flush_purge_region;
+
+ /*
+ * No write back please
+ *
+ * Except I don't think there's any way to avoid the writeback.
+ * So we just alias it to sh3__flush_purge_region(). dwmw2.
+ */
+ __flush_invalidate_region = sh3__flush_purge_region;
+}
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index b56cce408912..c9480b48c746 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -256,6 +256,12 @@ void __init cpu_cache_init(void)
sh2a_cache_init();
}
+ if (boot_cpu_data.family == CPU_FAMILY_SH3) {
+ extern void __weak sh3_cache_init(void);
+
+ sh3_cache_init();
+ }
+
if ((boot_cpu_data.family == CPU_FAMILY_SH4) ||
(boot_cpu_data.family == CPU_FAMILY_SH4A) ||
(boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) {
--
GitLab
From 0d051d90bb08b516b9d6c30d25f83d3c6b5b1c1d Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 12:53:39 +0900
Subject: [PATCH 160/742] sh: Convert SH7705 extended mode to new cacheflush
interface.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/cpu-sh3/cpu/cacheflush.h | 35 ------------------------
arch/sh/mm/cache-sh7705.c | 33 +++++++++++++++-------
arch/sh/mm/cache.c | 7 +++++
3 files changed, 30 insertions(+), 45 deletions(-)
delete mode 100644 arch/sh/include/cpu-sh3/cpu/cacheflush.h
diff --git a/arch/sh/include/cpu-sh3/cpu/cacheflush.h b/arch/sh/include/cpu-sh3/cpu/cacheflush.h
deleted file mode 100644
index 0f5cf5460d05..000000000000
--- a/arch/sh/include/cpu-sh3/cpu/cacheflush.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * include/asm-sh/cpu-sh3/cacheflush.h
- *
- * Copyright (C) 1999 Niibe Yutaka
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_CPU_SH3_CACHEFLUSH_H
-#define __ASM_CPU_SH3_CACHEFLUSH_H
-
-#if defined(CONFIG_SH7705_CACHE_32KB)
-/* SH7705 is an SH3 processor with 32KB cache. This has alias issues like the
- * SH4. Unlike the SH4 this is a unified cache so we need to do some work
- * in mmap when 'exec'ing a new binary
- */
-void flush_cache_all(void);
-void flush_cache_mm(struct mm_struct *mm);
-#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
-void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
-void flush_dcache_page(struct page *pg);
-void flush_icache_range(unsigned long start, unsigned long end);
-void flush_icache_page(struct vm_area_struct *vma, struct page *page);
-
-/* SH3 has unified cache so no special action needed here */
-#define flush_cache_sigtramp(vaddr) do { } while (0)
-
-#else
-#include <cpu-common/cpu/cacheflush.h>
-#endif
-
-#endif /* __ASM_CPU_SH3_CACHEFLUSH_H */
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index fa37bff306b9..f1d5c803c04b 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -64,7 +64,7 @@ static inline void cache_wback_all(void)
*
* Called from kernel/module.c:sys_init_module and routine for a.out format.
*/
-void flush_icache_range(unsigned long start, unsigned long end)
+static void sh7705_flush_icache_range(unsigned long start, unsigned long end)
{
__flush_wback_region((void *)start, end - start);
}
@@ -72,7 +72,7 @@ void flush_icache_range(unsigned long start, unsigned long end)
/*
* Writeback&Invalidate the D-cache of the page
*/
-static void __uses_jump_to_uncached __flush_dcache_page(unsigned long phys)
+static void __flush_dcache_page(unsigned long phys)
{
unsigned long ways, waysize, addrstart;
unsigned long flags;
@@ -127,7 +127,7 @@ static void __uses_jump_to_uncached __flush_dcache_page(unsigned long phys)
* Write back & invalidate the D-cache of the page.
* (To avoid "alias" issues)
*/
-void flush_dcache_page(struct page *page)
+static void sh7705_flush_dcache_page(struct page *page)
{
struct address_space *mapping = page_mapping(page);
@@ -137,7 +137,7 @@ void flush_dcache_page(struct page *page)
__flush_dcache_page(PHYSADDR(page_address(page)));
}
-void __uses_jump_to_uncached flush_cache_all(void)
+static void sh7705_flush_cache_all(void)
{
unsigned long flags;
@@ -149,7 +149,7 @@ void __uses_jump_to_uncached flush_cache_all(void)
local_irq_restore(flags);
}
-void flush_cache_mm(struct mm_struct *mm)
+static void sh7705_flush_cache_mm(struct mm_struct *mm)
{
/* Is there any good way? */
/* XXX: possibly call flush_cache_range for each vm area */
@@ -165,8 +165,8 @@ void flush_cache_mm(struct mm_struct *mm)
* Flushing the cache lines for U0 only isn't enough.
* We need to flush for P1 too, which may contain aliases.
*/
-void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end)
+static void sh7705_flush_cache_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end)
{
/*
@@ -184,8 +184,8 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
*
* ADDRESS: Virtual Address (U0 address)
*/
-void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
- unsigned long pfn)
+static void sh7705_flush_cache_page(struct vm_area_struct *vma,
+ unsigned long address, unsigned long pfn)
{
__flush_dcache_page(pfn << PAGE_SHIFT);
}
@@ -198,7 +198,20 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
* Not entirely sure why this is necessary on SH3 with 32K cache but
* without it we get occasional "Memory fault" when loading a program.
*/
-void flush_icache_page(struct vm_area_struct *vma, struct page *page)
+static void sh7705_flush_icache_page(struct vm_area_struct *vma,
+ struct page *page)
{
__flush_purge_region(page_address(page), PAGE_SIZE);
}
+
+void __init sh7705_cache_init(void)
+{
+ flush_icache_range = sh7705_flush_icache_range;
+ flush_dcache_page = sh7705_flush_dcache_page;
+ flush_cache_all = sh7705_flush_cache_all;
+ flush_cache_mm = sh7705_flush_cache_mm;
+ flush_cache_dup_mm = sh7705_flush_cache_mm;
+ flush_cache_range = sh7705_flush_cache_range;
+ flush_cache_page = sh7705_flush_cache_page;
+ flush_icache_page = sh7705_flush_icache_page;
+}
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index c9480b48c746..8618ccdc1ca5 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -260,6 +260,13 @@ void __init cpu_cache_init(void)
extern void __weak sh3_cache_init(void);
sh3_cache_init();
+
+ if ((boot_cpu_data.type == CPU_SH7705) &&
+ (boot_cpu_data.dcache.sets == 512)) {
+ extern void __weak sh7705_cache_init(void);
+
+ sh7705_cache_init();
+ }
}
if ((boot_cpu_data.family == CPU_FAMILY_SH4) ||
--
GitLab
From 963e04cafbf001ec431025a46ec246ae6d89daba Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Sat, 15 Aug 2009 03:02:08 +0000
Subject: [PATCH 161/742] sh: Runtime PM pdev hwblk - kfr2r09 LCDC
This patch simply adds LCDC hwblk_id data for the kfr2r09 board.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-kfr2r09/setup.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index c96533794c26..f9ba43635dc1 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -176,6 +176,9 @@ static struct platform_device kfr2r09_sh_lcdc_device = {
.dev = {
.platform_data = &kfr2r09_sh_lcdc_info,
},
+ .archdata = {
+ .hwblk_id = HWBLK_LCDC,
+ },
};
static struct platform_device *kfr2r09_devices[] __initdata = {
--
GitLab
From eccee7457df2b1e1505522ab0064e577e16eed75 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 15 Aug 2009 13:15:02 +0900
Subject: [PATCH 162/742] sh: Kill off the unhandled pvr case in SH-4 CPU
probing.
This is superfluous, as the default CPU type and family are already
established by the initial cpuinfo definition. Given that we are still
able to probe for the CPU family even if we are not able to detect the
subtype, it's preferable to let the probing code fill out what it can and
leave the rest.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh4/probe.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 1148607c36bf..695026a3f02d 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -177,9 +177,6 @@ int __init detect_cpu_and_cache_system(void)
boot_cpu_data.icache.ways = 2;
boot_cpu_data.dcache.ways = 2;
- break;
- default:
- boot_cpu_data.type = boot_cpu_data.family = CPU_SH_NONE;
break;
}
--
GitLab
From 31089c13bcb18d2cd2a3ddfbe3a28666346f237e Mon Sep 17 00:00:00 2001
From: John Stultz <johnstul@us.ibm.com>
Date: Fri, 14 Aug 2009 15:47:18 +0200
Subject: [PATCH 163/742] timekeeping: Introduce timekeeping_leap_insert
Move the adjustment of xtime, wall_to_monotonic and the update of the
vsyscall variables to the timekeeping code.
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
LKML-Reference: <20090814134807.609730216@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/time.h | 1 +
kernel/time/ntp.c | 7 ++-----
kernel/time/timekeeping.c | 7 +++++++
3 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/include/linux/time.h b/include/linux/time.h
index ea16c1a01d51..e7c844558884 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -147,6 +147,7 @@ extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
extern int timekeeping_valid_for_hres(void);
extern void update_wall_time(void);
extern void update_xtime_cache(u64 nsec);
+extern void timekeeping_leap_insert(int leapsecond);
struct tms;
extern void do_sys_times(struct tms *);
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 7fc64375ff43..4800f933910e 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -194,8 +194,7 @@ static enum hrtimer_restart ntp_leap_second(struct hrtimer *timer)
case TIME_OK:
break;
case TIME_INS:
- xtime.tv_sec--;
- wall_to_monotonic.tv_sec++;
+ timekeeping_leap_insert(-1);
time_state = TIME_OOP;
printk(KERN_NOTICE
"Clock: inserting leap second 23:59:60 UTC\n");
@@ -203,9 +202,8 @@ static enum hrtimer_restart ntp_leap_second(struct hrtimer *timer)
res = HRTIMER_RESTART;
break;
case TIME_DEL:
- xtime.tv_sec++;
+ timekeeping_leap_insert(1);
time_tai--;
- wall_to_monotonic.tv_sec--;
time_state = TIME_WAIT;
printk(KERN_NOTICE
"Clock: deleting leap second 23:59:59 UTC\n");
@@ -219,7 +217,6 @@ static enum hrtimer_restart ntp_leap_second(struct hrtimer *timer)
time_state = TIME_OK;
break;
}
- update_vsyscall(&xtime, clock);
write_sequnlock(&xtime_lock);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 02c0b2c9c674..b8b70fb545fc 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -58,6 +58,13 @@ void update_xtime_cache(u64 nsec)
struct clocksource *clock;
+/* must hold xtime_lock */
+void timekeeping_leap_insert(int leapsecond)
+{
+ xtime.tv_sec += leapsecond;
+ wall_to_monotonic.tv_sec -= leapsecond;
+ update_vsyscall(&xtime, clock);
+}
#ifdef CONFIG_GENERIC_TIME
/**
--
GitLab
From a0f7d48bfb95a4c5172a2756dbc4b82afc8e9ae4 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:19 +0200
Subject: [PATCH 164/742] timekeeping: Remove clocksource inline functions
The three inline functions clocksource_read, clocksource_enable and
clocksource_disable are simple wrappers of an indirect call plus the
copy from and to the mult_orig value. The functions are exclusively
used by the timekeeping code which has intimate knowledge of the
clocksource anyway. Therefore remove the inline functions. No
functional change.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134807.903108946@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/clocksource.h | 58 -------------------------------------
kernel/time/timekeeping.c | 41 +++++++++++++++++---------
2 files changed, 28 insertions(+), 71 deletions(-)
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 1219be4fb42e..a1ef46f61c81 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -267,64 +267,6 @@ static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant)
return (u32)tmp;
}
-/**
- * clocksource_read: - Access the clocksource's current cycle value
- * @cs: pointer to clocksource being read
- *
- * Uses the clocksource to return the current cycle_t value
- */
-static inline cycle_t clocksource_read(struct clocksource *cs)
-{
- return cs->read(cs);
-}
-
-/**
- * clocksource_enable: - enable clocksource
- * @cs: pointer to clocksource
- *
- * Enables the specified clocksource. The clocksource callback
- * function should start up the hardware and setup mult and field
- * members of struct clocksource to reflect hardware capabilities.
- */
-static inline int clocksource_enable(struct clocksource *cs)
-{
- int ret = 0;
-
- if (cs->enable)
- ret = cs->enable(cs);
-
- /*
- * The frequency may have changed while the clocksource
- * was disabled. If so the code in ->enable() must update
- * the mult value to reflect the new frequency. Make sure
- * mult_orig follows this change.
- */
- cs->mult_orig = cs->mult;
-
- return ret;
-}
-
-/**
- * clocksource_disable: - disable clocksource
- * @cs: pointer to clocksource
- *
- * Disables the specified clocksource. The clocksource callback
- * function should power down the now unused hardware block to
- * save power.
- */
-static inline void clocksource_disable(struct clocksource *cs)
-{
- /*
- * Save mult_orig in mult so clocksource_enable() can
- * restore the value regardless if ->enable() updates
- * the value of mult or not.
- */
- cs->mult = cs->mult_orig;
-
- if (cs->disable)
- cs->disable(cs);
-}
-
/**
* cyc2ns - converts clocksource cycles to nanoseconds
* @cs: Pointer to clocksource
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index b8b70fb545fc..016a2591d719 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -79,7 +79,7 @@ static void clocksource_forward_now(void)
cycle_t cycle_now, cycle_delta;
s64 nsec;
- cycle_now = clocksource_read(clock);
+ cycle_now = clock->read(clock);
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
clock->cycle_last = cycle_now;
@@ -114,7 +114,7 @@ void getnstimeofday(struct timespec *ts)
*ts = xtime;
/* read clocksource: */
- cycle_now = clocksource_read(clock);
+ cycle_now = clock->read(clock);
/* calculate the delta since the last update_wall_time: */
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
@@ -146,7 +146,7 @@ ktime_t ktime_get(void)
nsecs = xtime.tv_nsec + wall_to_monotonic.tv_nsec;
/* read clocksource: */
- cycle_now = clocksource_read(clock);
+ cycle_now = clock->read(clock);
/* calculate the delta since the last update_wall_time: */
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
@@ -186,7 +186,7 @@ void ktime_get_ts(struct timespec *ts)
tomono = wall_to_monotonic;
/* read clocksource: */
- cycle_now = clocksource_read(clock);
+ cycle_now = clock->read(clock);
/* calculate the delta since the last update_wall_time: */
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
@@ -274,16 +274,29 @@ static void change_clocksource(void)
clocksource_forward_now();
- if (clocksource_enable(new))
+ if (new->enable && !new->enable(new))
return;
+ /*
+ * The frequency may have changed while the clocksource
+ * was disabled. If so the code in ->enable() must update
+ * the mult value to reflect the new frequency. Make sure
+ * mult_orig follows this change.
+ */
+ new->mult_orig = new->mult;
new->raw_time = clock->raw_time;
old = clock;
clock = new;
- clocksource_disable(old);
+ /*
+ * Save mult_orig in mult so that the value can be restored
+ * regardless if ->enable() updates the value of mult or not.
+ */
+ old->mult = old->mult_orig;
+ if (old->disable)
+ old->disable(old);
clock->cycle_last = 0;
- clock->cycle_last = clocksource_read(clock);
+ clock->cycle_last = clock->read(clock);
clock->error = 0;
clock->xtime_nsec = 0;
clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH);
@@ -373,7 +386,7 @@ void getrawmonotonic(struct timespec *ts)
seq = read_seqbegin(&xtime_lock);
/* read clocksource: */
- cycle_now = clocksource_read(clock);
+ cycle_now = clock->read(clock);
/* calculate the delta since the last update_wall_time: */
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
@@ -435,9 +448,12 @@ void __init timekeeping_init(void)
ntp_init();
clock = clocksource_get_next();
- clocksource_enable(clock);
+ if (clock->enable)
+ clock->enable(clock);
+ /* set mult_orig on enable */
+ clock->mult_orig = clock->mult;
clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH);
- clock->cycle_last = clocksource_read(clock);
+ clock->cycle_last = clock->read(clock);
xtime.tv_sec = sec;
xtime.tv_nsec = 0;
@@ -477,8 +493,7 @@ static int timekeeping_resume(struct sys_device *dev)
}
update_xtime_cache(0);
/* re-base the last cycle value */
- clock->cycle_last = 0;
- clock->cycle_last = clocksource_read(clock);
+ clock->cycle_last = clock->read(clock);
clock->error = 0;
timekeeping_suspended = 0;
write_sequnlock_irqrestore(&xtime_lock, flags);
@@ -630,7 +645,7 @@ void update_wall_time(void)
return;
#ifdef CONFIG_GENERIC_TIME
- offset = (clocksource_read(clock) - clock->cycle_last) & clock->mask;
+ offset = (clock->read(clock) - clock->cycle_last) & clock->mask;
#else
offset = clock->cycle_interval;
#endif
--
GitLab
From 1be396794897f80bfc8774719ba60309a9e3d374 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:20 +0200
Subject: [PATCH 165/742] timekeeping: Move reset of cycle_last for tsc
clocksource to tsc
change_clocksource resets the cycle_last value to zero then sets it to
a value read from the clocksource. The reset to zero is required only
for the TSC clocksource to make the read_tsc function work after a
resume. The reason is that the TSC read function uses cycle_last to
detect backwards going TSCs. In the resume case cycle_last contains
the TSC value from the last update before the suspend. On resume the
TSC starts counting from 0 again and would trip over the cycle_last
comparison.
This is subtle and surprising. Move the reset to a resume function in
the tsc code.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134808.142191175@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/tsc.c | 6 ++++++
kernel/time/timekeeping.c | 1 -
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 71f4368b357e..968425422c46 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -744,10 +744,16 @@ static cycle_t __vsyscall_fn vread_tsc(void)
}
#endif
+static void resume_tsc(void)
+{
+ clocksource_tsc.cycle_last = 0;
+}
+
static struct clocksource clocksource_tsc = {
.name = "tsc",
.rating = 300,
.read = read_tsc,
+ .resume = resume_tsc,
.mask = CLOCKSOURCE_MASK(64),
.shift = 22,
.flags = CLOCK_SOURCE_IS_CONTINUOUS |
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 016a2591d719..b5673016089f 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -295,7 +295,6 @@ static void change_clocksource(void)
if (old->disable)
old->disable(old);
- clock->cycle_last = 0;
clock->cycle_last = clock->read(clock);
clock->error = 0;
clock->xtime_nsec = 0;
--
GitLab
From f1b82746c1e93daf24e1ab9bfbd39bcdb2e7018b Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:21 +0200
Subject: [PATCH 166/742] clocksource: Cleanup clocksource selection
If a non high-resolution clocksource is first set as override clock
and then registered it becomes active even if the system is in one-shot
mode. Move the override check from sysfs_override_clocksource to the
clocksource selection. That fixes the bug and simplifies the code. The
check in clocksource_register for double registration of the same
clocksource is removed without replacement.
To find the initial clocksource a new weak function in jiffies.c is
defined that returns the jiffies clocksource. The architecture code
can then override the weak function with a more suitable clocksource,
e.g. the TOD clock on s390.
[ tglx: Folded in a fix from John Stultz ]
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134808.388024160@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/s390/kernel/time.c | 4 ++
include/linux/clocksource.h | 2 +
kernel/time/clocksource.c | 134 ++++++++++++++----------------------
kernel/time/jiffies.c | 6 +-
kernel/time/timekeeping.c | 4 +-
5 files changed, 64 insertions(+), 86 deletions(-)
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index d4c8e9c47c81..afefe514df0f 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -205,6 +205,10 @@ static struct clocksource clocksource_tod = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
+struct clocksource * __init clocksource_default_clock(void)
+{
+ return &clocksource_tod;
+}
void update_vsyscall(struct timespec *wall_time, struct clocksource *clock)
{
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index a1ef46f61c81..f263b3abf46e 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -14,6 +14,7 @@
#include <linux/list.h>
#include <linux/cache.h>
#include <linux/timer.h>
+#include <linux/init.h>
#include <asm/div64.h>
#include <asm/io.h>
@@ -322,6 +323,7 @@ extern void clocksource_touch_watchdog(void);
extern struct clocksource* clocksource_get_next(void);
extern void clocksource_change_rating(struct clocksource *cs, int rating);
extern void clocksource_resume(void);
+extern struct clocksource * __init __weak clocksource_default_clock(void);
#ifdef CONFIG_GENERIC_TIME_VSYSCALL
extern void update_vsyscall(struct timespec *ts, struct clocksource *c);
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 7466cb811251..e91662e87cde 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -21,7 +21,6 @@
*
* TODO WishList:
* o Allow clocksource drivers to be unregistered
- * o get rid of clocksource_jiffies extern
*/
#include <linux/clocksource.h>
@@ -107,12 +106,9 @@ u64 timecounter_cyc2time(struct timecounter *tc,
}
EXPORT_SYMBOL(timecounter_cyc2time);
-/* XXX - Would like a better way for initializing curr_clocksource */
-extern struct clocksource clocksource_jiffies;
-
/*[Clocksource internal variables]---------
* curr_clocksource:
- * currently selected clocksource. Initialized to clocksource_jiffies.
+ * currently selected clocksource.
* next_clocksource:
* pending next selected clocksource.
* clocksource_list:
@@ -123,9 +119,8 @@ extern struct clocksource clocksource_jiffies;
* override_name:
* Name of the user-specified clocksource.
*/
-static struct clocksource *curr_clocksource = &clocksource_jiffies;
+static struct clocksource *curr_clocksource;
static struct clocksource *next_clocksource;
-static struct clocksource *clocksource_override;
static LIST_HEAD(clocksource_list);
static DEFINE_SPINLOCK(clocksource_lock);
static char override_name[32];
@@ -320,6 +315,7 @@ void clocksource_touch_watchdog(void)
clocksource_resume_watchdog();
}
+#ifdef CONFIG_GENERIC_TIME
/**
* clocksource_get_next - Returns the selected clocksource
*
@@ -339,56 +335,65 @@ struct clocksource *clocksource_get_next(void)
}
/**
- * select_clocksource - Selects the best registered clocksource.
+ * clocksource_select - Select the best clocksource available
*
* Private function. Must hold clocksource_lock when called.
*
* Select the clocksource with the best rating, or the clocksource,
* which is selected by userspace override.
*/
-static struct clocksource *select_clocksource(void)
+static void clocksource_select(void)
{
- struct clocksource *next;
+ struct clocksource *best, *cs;
if (list_empty(&clocksource_list))
- return NULL;
+ return;
+ /* First clocksource on the list has the best rating. */
+ best = list_first_entry(&clocksource_list, struct clocksource, list);
+ /* Check for the override clocksource. */
+ list_for_each_entry(cs, &clocksource_list, list) {
+ if (strcmp(cs->name, override_name) != 0)
+ continue;
+ /*
+ * Check to make sure we don't switch to a non-highres
+ * capable clocksource if the tick code is in oneshot
+ * mode (highres or nohz)
+ */
+ if (!(cs->flags & CLOCK_SOURCE_VALID_FOR_HRES) &&
+ tick_oneshot_mode_active()) {
+ /* Override clocksource cannot be used. */
+ printk(KERN_WARNING "Override clocksource %s is not "
+ "HRT compatible. Cannot switch while in "
+ "HRT/NOHZ mode\n", cs->name);
+ override_name[0] = 0;
+ } else
+ /* Override clocksource can be used. */
+ best = cs;
+ break;
+ }
+ if (curr_clocksource != best)
+ next_clocksource = best;
+}
- if (clocksource_override)
- next = clocksource_override;
- else
- next = list_entry(clocksource_list.next, struct clocksource,
- list);
+#else /* CONFIG_GENERIC_TIME */
- if (next == curr_clocksource)
- return NULL;
+static void clocksource_select(void) { }
- return next;
-}
+#endif
/*
* Enqueue the clocksource sorted by rating
*/
-static int clocksource_enqueue(struct clocksource *c)
+static void clocksource_enqueue(struct clocksource *cs)
{
- struct list_head *tmp, *entry = &clocksource_list;
-
- list_for_each(tmp, &clocksource_list) {
- struct clocksource *cs;
+ struct list_head *entry = &clocksource_list;
+ struct clocksource *tmp;
- cs = list_entry(tmp, struct clocksource, list);
- if (cs == c)
- return -EBUSY;
+ list_for_each_entry(tmp, &clocksource_list, list)
/* Keep track of the place, where to insert */
- if (cs->rating >= c->rating)
- entry = tmp;
- }
- list_add(&c->list, entry);
-
- if (strlen(c->name) == strlen(override_name) &&
- !strcmp(c->name, override_name))
- clocksource_override = c;
-
- return 0;
+ if (tmp->rating >= cs->rating)
+ entry = &tmp->list;
+ list_add(&cs->list, entry);
}
/**
@@ -397,19 +402,16 @@ static int clocksource_enqueue(struct clocksource *c)
*
* Returns -EBUSY if registration fails, zero otherwise.
*/
-int clocksource_register(struct clocksource *c)
+int clocksource_register(struct clocksource *cs)
{
unsigned long flags;
- int ret;
spin_lock_irqsave(&clocksource_lock, flags);
- ret = clocksource_enqueue(c);
- if (!ret)
- next_clocksource = select_clocksource();
+ clocksource_enqueue(cs);
+ clocksource_select();
spin_unlock_irqrestore(&clocksource_lock, flags);
- if (!ret)
- clocksource_check_watchdog(c);
- return ret;
+ clocksource_check_watchdog(cs);
+ return 0;
}
EXPORT_SYMBOL(clocksource_register);
@@ -425,7 +427,7 @@ void clocksource_change_rating(struct clocksource *cs, int rating)
list_del(&cs->list);
cs->rating = rating;
clocksource_enqueue(cs);
- next_clocksource = select_clocksource();
+ clocksource_select();
spin_unlock_irqrestore(&clocksource_lock, flags);
}
@@ -438,9 +440,7 @@ void clocksource_unregister(struct clocksource *cs)
spin_lock_irqsave(&clocksource_lock, flags);
list_del(&cs->list);
- if (clocksource_override == cs)
- clocksource_override = NULL;
- next_clocksource = select_clocksource();
+ clocksource_select();
spin_unlock_irqrestore(&clocksource_lock, flags);
}
@@ -478,9 +478,7 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
struct sysdev_attribute *attr,
const char *buf, size_t count)
{
- struct clocksource *ovr = NULL;
size_t ret = count;
- int len;
/* strings from sysfs write are not 0 terminated! */
if (count >= sizeof(override_name))
@@ -495,37 +493,7 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
if (count > 0)
memcpy(override_name, buf, count);
override_name[count] = 0;
-
- len = strlen(override_name);
- if (len) {
- struct clocksource *cs;
-
- ovr = clocksource_override;
- /* try to select it: */
- list_for_each_entry(cs, &clocksource_list, list) {
- if (strlen(cs->name) == len &&
- !strcmp(cs->name, override_name))
- ovr = cs;
- }
- }
-
- /*
- * Check to make sure we don't switch to a non-highres capable
- * clocksource if the tick code is in oneshot mode (highres or nohz)
- */
- if (tick_oneshot_mode_active() && ovr &&
- !(ovr->flags & CLOCK_SOURCE_VALID_FOR_HRES)) {
- printk(KERN_WARNING "%s clocksource is not HRT compatible. "
- "Cannot switch while in HRT/NOHZ mode\n", ovr->name);
- ovr = NULL;
- override_name[0] = 0;
- }
-
- /* Reselect, when the override name has changed */
- if (ovr != clocksource_override) {
- clocksource_override = ovr;
- next_clocksource = select_clocksource();
- }
+ clocksource_select();
spin_unlock_irq(&clocksource_lock);
diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c
index c3f6c30816e3..5404a8456909 100644
--- a/kernel/time/jiffies.c
+++ b/kernel/time/jiffies.c
@@ -61,7 +61,6 @@ struct clocksource clocksource_jiffies = {
.read = jiffies_read,
.mask = 0xffffffff, /*32bits*/
.mult = NSEC_PER_JIFFY << JIFFIES_SHIFT, /* details above */
- .mult_orig = NSEC_PER_JIFFY << JIFFIES_SHIFT,
.shift = JIFFIES_SHIFT,
};
@@ -71,3 +70,8 @@ static int __init init_jiffies_clocksource(void)
}
core_initcall(init_jiffies_clocksource);
+
+struct clocksource * __init __weak clocksource_default_clock(void)
+{
+ return &clocksource_jiffies;
+}
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index b5673016089f..325a9b63265a 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -269,7 +269,7 @@ static void change_clocksource(void)
new = clocksource_get_next();
- if (clock == new)
+ if (!new || clock == new)
return;
clocksource_forward_now();
@@ -446,7 +446,7 @@ void __init timekeeping_init(void)
ntp_init();
- clock = clocksource_get_next();
+ clock = clocksource_default_clock();
if (clock->enable)
clock->enable(clock);
/* set mult_orig on enable */
--
GitLab
From 8cf4e750f8459d51c2e8a035a201da4bf7aa996a Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:22 +0200
Subject: [PATCH 167/742] clocksource: Delay clocksource watchdog highres
enablement
The clocksource watchdog marks a clock as highres capable before it
checked the deviation from the watchdog clocksource even for a single
time. Make sure that the deviation is at least checked once before
doing the switch to highres mode.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134808.627795883@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/clocksource.c | 47 ++++++++++++++++++---------------------
1 file changed, 22 insertions(+), 25 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index e91662e87cde..76256c5aecb8 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -153,11 +153,8 @@ static unsigned long watchdog_resumed;
#define WATCHDOG_INTERVAL (HZ >> 1)
#define WATCHDOG_THRESHOLD (NSEC_PER_SEC >> 4)
-static void clocksource_ratewd(struct clocksource *cs, int64_t delta)
+static void clocksource_unstable(struct clocksource *cs, int64_t delta)
{
- if (delta > -WATCHDOG_THRESHOLD && delta < WATCHDOG_THRESHOLD)
- return;
-
printk(KERN_WARNING "Clocksource %s unstable (delta = %Ld ns)\n",
cs->name, delta);
cs->flags &= ~(CLOCK_SOURCE_VALID_FOR_HRES | CLOCK_SOURCE_WATCHDOG);
@@ -183,31 +180,31 @@ static void clocksource_watchdog(unsigned long data)
list_for_each_entry_safe(cs, tmp, &watchdog_list, wd_list) {
csnow = cs->read(cs);
- if (unlikely(resumed)) {
+ /* Clocksource initialized ? */
+ if (!(cs->flags & CLOCK_SOURCE_WATCHDOG)) {
+ cs->flags |= CLOCK_SOURCE_WATCHDOG;
cs->wd_last = csnow;
continue;
}
- /* Initialized ? */
- if (!(cs->flags & CLOCK_SOURCE_WATCHDOG)) {
- if ((cs->flags & CLOCK_SOURCE_IS_CONTINUOUS) &&
- (watchdog->flags & CLOCK_SOURCE_IS_CONTINUOUS)) {
- cs->flags |= CLOCK_SOURCE_VALID_FOR_HRES;
- /*
- * We just marked the clocksource as
- * highres-capable, notify the rest of the
- * system as well so that we transition
- * into high-res mode:
- */
- tick_clock_notify();
- }
- cs->flags |= CLOCK_SOURCE_WATCHDOG;
- cs->wd_last = csnow;
- } else {
- cs_nsec = cyc2ns(cs, (csnow - cs->wd_last) & cs->mask);
- cs->wd_last = csnow;
- /* Check the delta. Might remove from the list ! */
- clocksource_ratewd(cs, cs_nsec - wd_nsec);
+ /* Check the deviation from the watchdog clocksource. */
+ cs_nsec = cyc2ns(cs, (csnow - cs->wd_last) & cs->mask);
+ cs->wd_last = csnow;
+ if (abs(cs_nsec - wd_nsec) > WATCHDOG_THRESHOLD) {
+ clocksource_unstable(cs, cs_nsec - wd_nsec);
+ continue;
+ }
+
+ if (!(cs->flags & CLOCK_SOURCE_VALID_FOR_HRES) &&
+ (cs->flags & CLOCK_SOURCE_IS_CONTINUOUS) &&
+ (watchdog->flags & CLOCK_SOURCE_IS_CONTINUOUS)) {
+ cs->flags |= CLOCK_SOURCE_VALID_FOR_HRES;
+ /*
+ * We just marked the clocksource as highres-capable,
+ * notify the rest of the system as well so that we
+ * transition into high-res mode:
+ */
+ tick_clock_notify();
}
}
--
GitLab
From 0f8e8ef7c204988246da5a42d576b7fa5277a8e4 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:23 +0200
Subject: [PATCH 168/742] clocksource: Simplify clocksource watchdog resume
logic
To resume the clocksource watchdog just remove the CLOCK_SOURCE_WATCHDOG
bit from the watched clocksource.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134808.880925790@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/clocksource.c | 23 +++++++++++++++--------
1 file changed, 15 insertions(+), 8 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 76256c5aecb8..89a7b91bfbdd 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -145,7 +145,6 @@ static struct clocksource *watchdog;
static struct timer_list watchdog_timer;
static DEFINE_SPINLOCK(watchdog_lock);
static cycle_t watchdog_last;
-static unsigned long watchdog_resumed;
/*
* Interval: 0.5sec Threshold: 0.0625s
@@ -167,12 +166,9 @@ static void clocksource_watchdog(unsigned long data)
struct clocksource *cs, *tmp;
cycle_t csnow, wdnow;
int64_t wd_nsec, cs_nsec;
- int resumed;
spin_lock(&watchdog_lock);
- resumed = test_and_clear_bit(0, &watchdog_resumed);
-
wdnow = watchdog->read(watchdog);
wd_nsec = cyc2ns(watchdog, (wdnow - watchdog_last) & watchdog->mask);
watchdog_last = wdnow;
@@ -223,14 +219,26 @@ static void clocksource_watchdog(unsigned long data)
}
spin_unlock(&watchdog_lock);
}
+
+static inline void clocksource_reset_watchdog(void)
+{
+ struct clocksource *cs;
+
+ list_for_each_entry(cs, &watchdog_list, wd_list)
+ cs->flags &= ~CLOCK_SOURCE_WATCHDOG;
+}
+
static void clocksource_resume_watchdog(void)
{
- set_bit(0, &watchdog_resumed);
+ unsigned long flags;
+
+ spin_lock_irqsave(&watchdog_lock, flags);
+ clocksource_reset_watchdog();
+ spin_unlock_irqrestore(&watchdog_lock, flags);
}
static void clocksource_check_watchdog(struct clocksource *cs)
{
- struct clocksource *cse;
unsigned long flags;
spin_lock_irqsave(&watchdog_lock, flags);
@@ -256,8 +264,7 @@ static void clocksource_check_watchdog(struct clocksource *cs)
watchdog_timer.function = clocksource_watchdog;
/* Reset watchdog cycles */
- list_for_each_entry(cse, &watchdog_list, wd_list)
- cse->flags &= ~CLOCK_SOURCE_WATCHDOG;
+ clocksource_reset_watchdog();
/* Start if list is not empty */
if (!list_empty(&watchdog_list)) {
watchdog_last = watchdog->read(watchdog);
--
GitLab
From fb63a0ebe615fba9de8c75ea44ded999d1e24c65 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:24 +0200
Subject: [PATCH 169/742] clocksource: Refactor clocksource watchdog
Refactor clocksource watchdog code to make it more readable. Add
clocksource_dequeue_watchdog to remove a clocksource from the watchdog
list when it is unregistered.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134809.110881699@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/clocksource.c | 97 ++++++++++++++++++++++++++++-----------
1 file changed, 69 insertions(+), 28 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 89a7b91bfbdd..56aaa749645d 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -145,6 +145,7 @@ static struct clocksource *watchdog;
static struct timer_list watchdog_timer;
static DEFINE_SPINLOCK(watchdog_lock);
static cycle_t watchdog_last;
+static int watchdog_running;
/*
* Interval: 0.5sec Threshold: 0.0625s
@@ -168,6 +169,8 @@ static void clocksource_watchdog(unsigned long data)
int64_t wd_nsec, cs_nsec;
spin_lock(&watchdog_lock);
+ if (!watchdog_running)
+ goto out;
wdnow = watchdog->read(watchdog);
wd_nsec = cyc2ns(watchdog, (wdnow - watchdog_last) & watchdog->mask);
@@ -217,9 +220,30 @@ static void clocksource_watchdog(unsigned long data)
watchdog_timer.expires += WATCHDOG_INTERVAL;
add_timer_on(&watchdog_timer, next_cpu);
}
+out:
spin_unlock(&watchdog_lock);
}
+static inline void clocksource_start_watchdog(void)
+{
+ if (watchdog_running || !watchdog || list_empty(&watchdog_list))
+ return;
+ init_timer(&watchdog_timer);
+ watchdog_timer.function = clocksource_watchdog;
+ watchdog_last = watchdog->read(watchdog);
+ watchdog_timer.expires = jiffies + WATCHDOG_INTERVAL;
+ add_timer_on(&watchdog_timer, cpumask_first(cpu_online_mask));
+ watchdog_running = 1;
+}
+
+static inline void clocksource_stop_watchdog(void)
+{
+ if (!watchdog_running || (watchdog && !list_empty(&watchdog_list)))
+ return;
+ del_timer(&watchdog_timer);
+ watchdog_running = 0;
+}
+
static inline void clocksource_reset_watchdog(void)
{
struct clocksource *cs;
@@ -237,55 +261,70 @@ static void clocksource_resume_watchdog(void)
spin_unlock_irqrestore(&watchdog_lock, flags);
}
-static void clocksource_check_watchdog(struct clocksource *cs)
+static void clocksource_enqueue_watchdog(struct clocksource *cs)
{
unsigned long flags;
spin_lock_irqsave(&watchdog_lock, flags);
if (cs->flags & CLOCK_SOURCE_MUST_VERIFY) {
- int started = !list_empty(&watchdog_list);
-
+ /* cs is a clocksource to be watched. */
list_add(&cs->wd_list, &watchdog_list);
- if (!started && watchdog) {
- watchdog_last = watchdog->read(watchdog);
- watchdog_timer.expires = jiffies + WATCHDOG_INTERVAL;
- add_timer_on(&watchdog_timer,
- cpumask_first(cpu_online_mask));
- }
+ cs->flags &= ~CLOCK_SOURCE_WATCHDOG;
} else {
+ /* cs is a watchdog. */
if (cs->flags & CLOCK_SOURCE_IS_CONTINUOUS)
cs->flags |= CLOCK_SOURCE_VALID_FOR_HRES;
-
+ /* Pick the best watchdog. */
if (!watchdog || cs->rating > watchdog->rating) {
- if (watchdog)
- del_timer(&watchdog_timer);
watchdog = cs;
- init_timer(&watchdog_timer);
- watchdog_timer.function = clocksource_watchdog;
-
/* Reset watchdog cycles */
clocksource_reset_watchdog();
- /* Start if list is not empty */
- if (!list_empty(&watchdog_list)) {
- watchdog_last = watchdog->read(watchdog);
- watchdog_timer.expires =
- jiffies + WATCHDOG_INTERVAL;
- add_timer_on(&watchdog_timer,
- cpumask_first(cpu_online_mask));
- }
}
}
+ /* Check if the watchdog timer needs to be started. */
+ clocksource_start_watchdog();
spin_unlock_irqrestore(&watchdog_lock, flags);
}
-#else
-static void clocksource_check_watchdog(struct clocksource *cs)
+
+static void clocksource_dequeue_watchdog(struct clocksource *cs)
+{
+ struct clocksource *tmp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&watchdog_lock, flags);
+ if (cs->flags & CLOCK_SOURCE_MUST_VERIFY) {
+ /* cs is a watched clocksource. */
+ list_del_init(&cs->wd_list);
+ } else if (cs == watchdog) {
+ /* Reset watchdog cycles */
+ clocksource_reset_watchdog();
+ /* Current watchdog is removed. Find an alternative. */
+ watchdog = NULL;
+ list_for_each_entry(tmp, &clocksource_list, list) {
+ if (tmp == cs || tmp->flags & CLOCK_SOURCE_MUST_VERIFY)
+ continue;
+ if (!watchdog || tmp->rating > watchdog->rating)
+ watchdog = tmp;
+ }
+ }
+ cs->flags &= ~CLOCK_SOURCE_WATCHDOG;
+ /* Check if the watchdog timer needs to be stopped. */
+ clocksource_stop_watchdog();
+ spin_unlock_irqrestore(&watchdog_lock, flags);
+}
+
+#else /* CONFIG_CLOCKSOURCE_WATCHDOG */
+
+static void clocksource_enqueue_watchdog(struct clocksource *cs)
{
if (cs->flags & CLOCK_SOURCE_IS_CONTINUOUS)
cs->flags |= CLOCK_SOURCE_VALID_FOR_HRES;
}
+static inline void clocksource_dequeue_watchdog(struct clocksource *cs) { }
static inline void clocksource_resume_watchdog(void) { }
-#endif
+
+#endif /* CONFIG_CLOCKSOURCE_WATCHDOG */
/**
* clocksource_resume - resume the clocksource(s)
@@ -414,14 +453,13 @@ int clocksource_register(struct clocksource *cs)
clocksource_enqueue(cs);
clocksource_select();
spin_unlock_irqrestore(&clocksource_lock, flags);
- clocksource_check_watchdog(cs);
+ clocksource_enqueue_watchdog(cs);
return 0;
}
EXPORT_SYMBOL(clocksource_register);
/**
* clocksource_change_rating - Change the rating of a registered clocksource
- *
*/
void clocksource_change_rating(struct clocksource *cs, int rating)
{
@@ -434,6 +472,7 @@ void clocksource_change_rating(struct clocksource *cs, int rating)
clocksource_select();
spin_unlock_irqrestore(&clocksource_lock, flags);
}
+EXPORT_SYMBOL(clocksource_change_rating);
/**
* clocksource_unregister - remove a registered clocksource
@@ -442,11 +481,13 @@ void clocksource_unregister(struct clocksource *cs)
{
unsigned long flags;
+ clocksource_dequeue_watchdog(cs);
spin_lock_irqsave(&clocksource_lock, flags);
list_del(&cs->list);
clocksource_select();
spin_unlock_irqrestore(&clocksource_lock, flags);
}
+EXPORT_SYMBOL(clocksource_unregister);
#ifdef CONFIG_SYSFS
/**
--
GitLab
From c55c87c892c1875deace0c8fc28787335277fdf2 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:25 +0200
Subject: [PATCH 170/742] clocksource: Move watchdog downgrade to a work queue
thread
Move the downgrade of an unstable clocksource from the timer interrupt
context into the process context of a work queue thread. This is
needed to be able to do the clocksource switch with stop_machine.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134809.354926067@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/clocksource.h | 1 +
kernel/time/clocksource.c | 56 ++++++++++++++++++++++++++-----------
2 files changed, 40 insertions(+), 17 deletions(-)
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index f263b3abf46e..19ad43af62d0 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -213,6 +213,7 @@ extern struct clocksource *clock; /* current clocksource */
#define CLOCK_SOURCE_WATCHDOG 0x10
#define CLOCK_SOURCE_VALID_FOR_HRES 0x20
+#define CLOCK_SOURCE_UNSTABLE 0x40
/* simplify initialization of mask field */
#define CLOCKSOURCE_MASK(bits) (cycle_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 56aaa749645d..f1508019bfb4 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -143,10 +143,13 @@ fs_initcall(clocksource_done_booting);
static LIST_HEAD(watchdog_list);
static struct clocksource *watchdog;
static struct timer_list watchdog_timer;
+static struct work_struct watchdog_work;
static DEFINE_SPINLOCK(watchdog_lock);
static cycle_t watchdog_last;
static int watchdog_running;
+static void clocksource_watchdog_work(struct work_struct *work);
+
/*
* Interval: 0.5sec Threshold: 0.0625s
*/
@@ -158,15 +161,16 @@ static void clocksource_unstable(struct clocksource *cs, int64_t delta)
printk(KERN_WARNING "Clocksource %s unstable (delta = %Ld ns)\n",
cs->name, delta);
cs->flags &= ~(CLOCK_SOURCE_VALID_FOR_HRES | CLOCK_SOURCE_WATCHDOG);
- clocksource_change_rating(cs, 0);
- list_del(&cs->wd_list);
+ cs->flags |= CLOCK_SOURCE_UNSTABLE;
+ schedule_work(&watchdog_work);
}
static void clocksource_watchdog(unsigned long data)
{
- struct clocksource *cs, *tmp;
+ struct clocksource *cs;
cycle_t csnow, wdnow;
int64_t wd_nsec, cs_nsec;
+ int next_cpu;
spin_lock(&watchdog_lock);
if (!watchdog_running)
@@ -176,7 +180,12 @@ static void clocksource_watchdog(unsigned long data)
wd_nsec = cyc2ns(watchdog, (wdnow - watchdog_last) & watchdog->mask);
watchdog_last = wdnow;
- list_for_each_entry_safe(cs, tmp, &watchdog_list, wd_list) {
+ list_for_each_entry(cs, &watchdog_list, wd_list) {
+
+ /* Clocksource already marked unstable? */
+ if (cs->flags & CLOCK_SOURCE_UNSTABLE)
+ continue;
+
csnow = cs->read(cs);
/* Clocksource initialized ? */
@@ -207,19 +216,15 @@ static void clocksource_watchdog(unsigned long data)
}
}
- if (!list_empty(&watchdog_list)) {
- /*
- * Cycle through CPUs to check if the CPUs stay
- * synchronized to each other.
- */
- int next_cpu = cpumask_next(raw_smp_processor_id(),
- cpu_online_mask);
-
- if (next_cpu >= nr_cpu_ids)
- next_cpu = cpumask_first(cpu_online_mask);
- watchdog_timer.expires += WATCHDOG_INTERVAL;
- add_timer_on(&watchdog_timer, next_cpu);
- }
+ /*
+ * Cycle through CPUs to check if the CPUs stay synchronized
+ * to each other.
+ */
+ next_cpu = cpumask_next(raw_smp_processor_id(), cpu_online_mask);
+ if (next_cpu >= nr_cpu_ids)
+ next_cpu = cpumask_first(cpu_online_mask);
+ watchdog_timer.expires += WATCHDOG_INTERVAL;
+ add_timer_on(&watchdog_timer, next_cpu);
out:
spin_unlock(&watchdog_lock);
}
@@ -228,6 +233,7 @@ static inline void clocksource_start_watchdog(void)
{
if (watchdog_running || !watchdog || list_empty(&watchdog_list))
return;
+ INIT_WORK(&watchdog_work, clocksource_watchdog_work);
init_timer(&watchdog_timer);
watchdog_timer.function = clocksource_watchdog;
watchdog_last = watchdog->read(watchdog);
@@ -313,6 +319,22 @@ static void clocksource_dequeue_watchdog(struct clocksource *cs)
spin_unlock_irqrestore(&watchdog_lock, flags);
}
+static void clocksource_watchdog_work(struct work_struct *work)
+{
+ struct clocksource *cs, *tmp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&watchdog_lock, flags);
+ list_for_each_entry_safe(cs, tmp, &watchdog_list, wd_list)
+ if (cs->flags & CLOCK_SOURCE_UNSTABLE) {
+ list_del_init(&cs->wd_list);
+ clocksource_change_rating(cs, 0);
+ }
+ /* Check if the watchdog timer needs to be stopped. */
+ clocksource_stop_watchdog();
+ spin_unlock(&watchdog_lock);
+}
+
#else /* CONFIG_CLOCKSOURCE_WATCHDOG */
static void clocksource_enqueue_watchdog(struct clocksource *cs)
--
GitLab
From 155ec60226ae0ae2aadaa57c951a58a359331030 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:26 +0200
Subject: [PATCH 171/742] timekeeping: Introduce struct timekeeper
Add struct timekeeper to keep the internal values timekeeping.c needs
in regard to the currently selected clock source. This moves the
timekeeping intervals, xtime_nsec and the ntp error value from struct
clocksource to struct timekeeper. The raw_time is removed from the
clocksource as well. It gets treated like xtime as a global variable.
Eventually xtime raw_time should be moved to struct timekeeper.
[ tglx: minor cleanup ]
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134809.613209842@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/s390/kernel/time.c | 1 -
include/linux/clocksource.h | 54 +--------
kernel/time/clocksource.c | 6 +-
kernel/time/timekeeping.c | 235 ++++++++++++++++++++++++------------
4 files changed, 164 insertions(+), 132 deletions(-)
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index afefe514df0f..e76c2e7a8b9a 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -280,7 +280,6 @@ void __init time_init(void)
now = get_clock();
tod_to_timeval(now - TOD_UNIX_EPOCH, &xtime);
clocksource_tod.cycle_last = now;
- clocksource_tod.raw_time = xtime;
tod_to_timeval(sched_clock_base_cc - TOD_UNIX_EPOCH, &ts);
set_normalized_timespec(&wall_to_monotonic, -ts.tv_sec, -ts.tv_nsec);
write_sequnlock_irqrestore(&xtime_lock, flags);
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 19ad43af62d0..e12e3095e2fb 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -155,8 +155,6 @@ extern u64 timecounter_cyc2time(struct timecounter *tc,
* @flags: flags describing special properties
* @vread: vsyscall based read
* @resume: resume function for the clocksource, if necessary
- * @cycle_interval: Used internally by timekeeping core, please ignore.
- * @xtime_interval: Used internally by timekeeping core, please ignore.
*/
struct clocksource {
/*
@@ -182,19 +180,12 @@ struct clocksource {
#define CLKSRC_FSYS_MMIO_SET(mmio, addr) do { } while (0)
#endif
- /* timekeeping specific data, ignore */
- cycle_t cycle_interval;
- u64 xtime_interval;
- u32 raw_interval;
/*
* Second part is written at each timer interrupt
* Keep it in a different cache line to dirty no
* more than one cache line.
*/
cycle_t cycle_last ____cacheline_aligned_in_smp;
- u64 xtime_nsec;
- s64 error;
- struct timespec raw_time;
#ifdef CONFIG_CLOCKSOURCE_WATCHDOG
/* Watchdog related data, used by the framework */
@@ -203,8 +194,6 @@ struct clocksource {
#endif
};
-extern struct clocksource *clock; /* current clocksource */
-
/*
* Clock source flags bits::
*/
@@ -270,50 +259,15 @@ static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant)
}
/**
- * cyc2ns - converts clocksource cycles to nanoseconds
- * @cs: Pointer to clocksource
- * @cycles: Cycles
+ * clocksource_cyc2ns - converts clocksource cycles to nanoseconds
*
- * Uses the clocksource and ntp ajdustment to convert cycle_ts to nanoseconds.
+ * Converts cycles to nanoseconds, using the given mult and shift.
*
* XXX - This could use some mult_lxl_ll() asm optimization
*/
-static inline s64 cyc2ns(struct clocksource *cs, cycle_t cycles)
+static inline s64 clocksource_cyc2ns(cycle_t cycles, u32 mult, u32 shift)
{
- u64 ret = (u64)cycles;
- ret = (ret * cs->mult) >> cs->shift;
- return ret;
-}
-
-/**
- * clocksource_calculate_interval - Calculates a clocksource interval struct
- *
- * @c: Pointer to clocksource.
- * @length_nsec: Desired interval length in nanoseconds.
- *
- * Calculates a fixed cycle/nsec interval for a given clocksource/adjustment
- * pair and interval request.
- *
- * Unless you're the timekeeping code, you should not be using this!
- */
-static inline void clocksource_calculate_interval(struct clocksource *c,
- unsigned long length_nsec)
-{
- u64 tmp;
-
- /* Do the ns -> cycle conversion first, using original mult */
- tmp = length_nsec;
- tmp <<= c->shift;
- tmp += c->mult_orig/2;
- do_div(tmp, c->mult_orig);
-
- c->cycle_interval = (cycle_t)tmp;
- if (c->cycle_interval == 0)
- c->cycle_interval = 1;
-
- /* Go back from cycles -> shifted ns, this time use ntp adjused mult */
- c->xtime_interval = (u64)c->cycle_interval * c->mult;
- c->raw_interval = ((u64)c->cycle_interval * c->mult_orig) >> c->shift;
+ return ((u64) cycles * mult) >> shift;
}
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index f1508019bfb4..f18c9a6bdcf4 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -177,7 +177,8 @@ static void clocksource_watchdog(unsigned long data)
goto out;
wdnow = watchdog->read(watchdog);
- wd_nsec = cyc2ns(watchdog, (wdnow - watchdog_last) & watchdog->mask);
+ wd_nsec = clocksource_cyc2ns((wdnow - watchdog_last) & watchdog->mask,
+ watchdog->mult, watchdog->shift);
watchdog_last = wdnow;
list_for_each_entry(cs, &watchdog_list, wd_list) {
@@ -196,7 +197,8 @@ static void clocksource_watchdog(unsigned long data)
}
/* Check the deviation from the watchdog clocksource. */
- cs_nsec = cyc2ns(cs, (csnow - cs->wd_last) & cs->mask);
+ cs_nsec = clocksource_cyc2ns((csnow - cs->wd_last) &
+ cs->mask, cs->mult, cs->shift);
cs->wd_last = csnow;
if (abs(cs_nsec - wd_nsec) > WATCHDOG_THRESHOLD) {
clocksource_unstable(cs, cs_nsec - wd_nsec);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 325a9b63265a..7af45cbf6b13 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -19,6 +19,65 @@
#include <linux/time.h>
#include <linux/tick.h>
+/* Structure holding internal timekeeping values. */
+struct timekeeper {
+ /* Current clocksource used for timekeeping. */
+ struct clocksource *clock;
+
+ /* Number of clock cycles in one NTP interval. */
+ cycle_t cycle_interval;
+ /* Number of clock shifted nano seconds in one NTP interval. */
+ u64 xtime_interval;
+ /* Raw nano seconds accumulated per NTP interval. */
+ u32 raw_interval;
+
+ /* Clock shifted nano seconds remainder not stored in xtime.tv_nsec. */
+ u64 xtime_nsec;
+ /* Difference between accumulated time and NTP time in ntp
+ * shifted nano seconds. */
+ s64 ntp_error;
+};
+
+struct timekeeper timekeeper;
+
+/**
+ * timekeeper_setup_internals - Set up internals to use clocksource clock.
+ *
+ * @clock: Pointer to clocksource.
+ *
+ * Calculates a fixed cycle/nsec interval for a given clocksource/adjustment
+ * pair and interval request.
+ *
+ * Unless you're the timekeeping code, you should not be using this!
+ */
+static void timekeeper_setup_internals(struct clocksource *clock)
+{
+ cycle_t interval;
+ u64 tmp;
+
+ timekeeper.clock = clock;
+ clock->cycle_last = clock->read(clock);
+
+ /* Do the ns -> cycle conversion first, using original mult */
+ tmp = NTP_INTERVAL_LENGTH;
+ tmp <<= clock->shift;
+ tmp += clock->mult_orig/2;
+ do_div(tmp, clock->mult_orig);
+ if (tmp == 0)
+ tmp = 1;
+
+ interval = (cycle_t) tmp;
+ timekeeper.cycle_interval = interval;
+
+ /* Go back from cycles -> shifted ns */
+ timekeeper.xtime_interval = (u64) interval * clock->mult;
+ timekeeper.raw_interval =
+ ((u64) interval * clock->mult_orig) >> clock->shift;
+
+ timekeeper.xtime_nsec = 0;
+
+ timekeeper.ntp_error = 0;
+}
/*
* This read-write spinlock protects us from races in SMP while
@@ -46,6 +105,11 @@ struct timespec xtime __attribute__ ((aligned (16)));
struct timespec wall_to_monotonic __attribute__ ((aligned (16)));
static unsigned long total_sleep_time; /* seconds */
+/*
+ * The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock.
+ */
+struct timespec raw_time;
+
/* flag for if timekeeping is suspended */
int __read_mostly timekeeping_suspended;
@@ -56,42 +120,42 @@ void update_xtime_cache(u64 nsec)
timespec_add_ns(&xtime_cache, nsec);
}
-struct clocksource *clock;
-
/* must hold xtime_lock */
void timekeeping_leap_insert(int leapsecond)
{
xtime.tv_sec += leapsecond;
wall_to_monotonic.tv_sec -= leapsecond;
- update_vsyscall(&xtime, clock);
+ update_vsyscall(&xtime, timekeeper.clock);
}
#ifdef CONFIG_GENERIC_TIME
/**
- * clocksource_forward_now - update clock to the current time
+ * timekeeping_forward_now - update clock to the current time
*
* Forward the current clock to update its state since the last call to
* update_wall_time(). This is useful before significant clock changes,
* as it avoids having to deal with this time offset explicitly.
*/
-static void clocksource_forward_now(void)
+static void timekeeping_forward_now(void)
{
cycle_t cycle_now, cycle_delta;
+ struct clocksource *clock;
s64 nsec;
+ clock = timekeeper.clock;
cycle_now = clock->read(clock);
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
clock->cycle_last = cycle_now;
- nsec = cyc2ns(clock, cycle_delta);
+ nsec = clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift);
/* If arch requires, add in gettimeoffset() */
nsec += arch_gettimeoffset();
timespec_add_ns(&xtime, nsec);
- nsec = ((s64)cycle_delta * clock->mult_orig) >> clock->shift;
- clock->raw_time.tv_nsec += nsec;
+ nsec = clocksource_cyc2ns(cycle_delta, clock->mult_orig, clock->shift);
+ timespec_add_ns(&raw_time, nsec);
}
/**
@@ -103,6 +167,7 @@ static void clocksource_forward_now(void)
void getnstimeofday(struct timespec *ts)
{
cycle_t cycle_now, cycle_delta;
+ struct clocksource *clock;
unsigned long seq;
s64 nsecs;
@@ -114,13 +179,15 @@ void getnstimeofday(struct timespec *ts)
*ts = xtime;
/* read clocksource: */
+ clock = timekeeper.clock;
cycle_now = clock->read(clock);
/* calculate the delta since the last update_wall_time: */
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
/* convert to nanoseconds: */
- nsecs = cyc2ns(clock, cycle_delta);
+ nsecs = clocksource_cyc2ns(cycle_delta, clock->mult,
+ clock->shift);
/* If arch requires, add in gettimeoffset() */
nsecs += arch_gettimeoffset();
@@ -135,6 +202,7 @@ EXPORT_SYMBOL(getnstimeofday);
ktime_t ktime_get(void)
{
cycle_t cycle_now, cycle_delta;
+ struct clocksource *clock;
unsigned int seq;
s64 secs, nsecs;
@@ -146,13 +214,15 @@ ktime_t ktime_get(void)
nsecs = xtime.tv_nsec + wall_to_monotonic.tv_nsec;
/* read clocksource: */
+ clock = timekeeper.clock;
cycle_now = clock->read(clock);
/* calculate the delta since the last update_wall_time: */
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
/* convert to nanoseconds: */
- nsecs += cyc2ns(clock, cycle_delta);
+ nsecs += clocksource_cyc2ns(cycle_delta, clock->mult,
+ clock->shift);
} while (read_seqretry(&xtime_lock, seq));
/*
@@ -174,6 +244,7 @@ EXPORT_SYMBOL_GPL(ktime_get);
void ktime_get_ts(struct timespec *ts)
{
cycle_t cycle_now, cycle_delta;
+ struct clocksource *clock;
struct timespec tomono;
unsigned int seq;
s64 nsecs;
@@ -186,13 +257,15 @@ void ktime_get_ts(struct timespec *ts)
tomono = wall_to_monotonic;
/* read clocksource: */
+ clock = timekeeper.clock;
cycle_now = clock->read(clock);
/* calculate the delta since the last update_wall_time: */
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
/* convert to nanoseconds: */
- nsecs = cyc2ns(clock, cycle_delta);
+ nsecs = clocksource_cyc2ns(cycle_delta, clock->mult,
+ clock->shift);
} while (read_seqretry(&xtime_lock, seq));
@@ -233,7 +306,7 @@ int do_settimeofday(struct timespec *tv)
write_seqlock_irqsave(&xtime_lock, flags);
- clocksource_forward_now();
+ timekeeping_forward_now();
ts_delta.tv_sec = tv->tv_sec - xtime.tv_sec;
ts_delta.tv_nsec = tv->tv_nsec - xtime.tv_nsec;
@@ -243,10 +316,10 @@ int do_settimeofday(struct timespec *tv)
update_xtime_cache(0);
- clock->error = 0;
+ timekeeper.ntp_error = 0;
ntp_clear();
- update_vsyscall(&xtime, clock);
+ update_vsyscall(&xtime, timekeeper.clock);
write_sequnlock_irqrestore(&xtime_lock, flags);
@@ -269,10 +342,10 @@ static void change_clocksource(void)
new = clocksource_get_next();
- if (!new || clock == new)
+ if (!new || timekeeper.clock == new)
return;
- clocksource_forward_now();
+ timekeeping_forward_now();
if (new->enable && !new->enable(new))
return;
@@ -284,9 +357,9 @@ static void change_clocksource(void)
*/
new->mult_orig = new->mult;
- new->raw_time = clock->raw_time;
- old = clock;
- clock = new;
+ old = timekeeper.clock;
+ timekeeper_setup_internals(new);
+
/*
* Save mult_orig in mult so that the value can be restored
* regardless if ->enable() updates the value of mult or not.
@@ -295,22 +368,10 @@ static void change_clocksource(void)
if (old->disable)
old->disable(old);
- clock->cycle_last = clock->read(clock);
- clock->error = 0;
- clock->xtime_nsec = 0;
- clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH);
-
tick_clock_notify();
-
- /*
- * We're holding xtime lock and waking up klogd would deadlock
- * us on enqueue. So no printing!
- printk(KERN_INFO "Time: %s clocksource has been installed.\n",
- clock->name);
- */
}
#else /* GENERIC_TIME */
-static inline void clocksource_forward_now(void) { }
+static inline void timekeeping_forward_now(void) { }
static inline void change_clocksource(void) { }
/**
@@ -380,20 +441,23 @@ void getrawmonotonic(struct timespec *ts)
unsigned long seq;
s64 nsecs;
cycle_t cycle_now, cycle_delta;
+ struct clocksource *clock;
do {
seq = read_seqbegin(&xtime_lock);
/* read clocksource: */
+ clock = timekeeper.clock;
cycle_now = clock->read(clock);
/* calculate the delta since the last update_wall_time: */
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
/* convert to nanoseconds: */
- nsecs = ((s64)cycle_delta * clock->mult_orig) >> clock->shift;
+ nsecs = clocksource_cyc2ns(cycle_delta, clock->mult_orig,
+ clock->shift);
- *ts = clock->raw_time;
+ *ts = raw_time;
} while (read_seqretry(&xtime_lock, seq));
@@ -413,7 +477,7 @@ int timekeeping_valid_for_hres(void)
do {
seq = read_seqbegin(&xtime_lock);
- ret = clock->flags & CLOCK_SOURCE_VALID_FOR_HRES;
+ ret = timekeeper.clock->flags & CLOCK_SOURCE_VALID_FOR_HRES;
} while (read_seqretry(&xtime_lock, seq));
@@ -439,6 +503,7 @@ unsigned long __attribute__((weak)) read_persistent_clock(void)
*/
void __init timekeeping_init(void)
{
+ struct clocksource *clock;
unsigned long flags;
unsigned long sec = read_persistent_clock();
@@ -451,11 +516,13 @@ void __init timekeeping_init(void)
clock->enable(clock);
/* set mult_orig on enable */
clock->mult_orig = clock->mult;
- clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH);
- clock->cycle_last = clock->read(clock);
+
+ timekeeper_setup_internals(clock);
xtime.tv_sec = sec;
xtime.tv_nsec = 0;
+ raw_time.tv_sec = 0;
+ raw_time.tv_nsec = 0;
set_normalized_timespec(&wall_to_monotonic,
-xtime.tv_sec, -xtime.tv_nsec);
update_xtime_cache(0);
@@ -492,8 +559,8 @@ static int timekeeping_resume(struct sys_device *dev)
}
update_xtime_cache(0);
/* re-base the last cycle value */
- clock->cycle_last = clock->read(clock);
- clock->error = 0;
+ timekeeper.clock->cycle_last = timekeeper.clock->read(timekeeper.clock);
+ timekeeper.ntp_error = 0;
timekeeping_suspended = 0;
write_sequnlock_irqrestore(&xtime_lock, flags);
@@ -514,7 +581,7 @@ static int timekeeping_suspend(struct sys_device *dev, pm_message_t state)
timekeeping_suspend_time = read_persistent_clock();
write_seqlock_irqsave(&xtime_lock, flags);
- clocksource_forward_now();
+ timekeeping_forward_now();
timekeeping_suspended = 1;
write_sequnlock_irqrestore(&xtime_lock, flags);
@@ -549,7 +616,7 @@ device_initcall(timekeeping_init_device);
* If the error is already larger, we look ahead even further
* to compensate for late or lost adjustments.
*/
-static __always_inline int clocksource_bigadjust(s64 error, s64 *interval,
+static __always_inline int timekeeping_bigadjust(s64 error, s64 *interval,
s64 *offset)
{
s64 tick_error, i;
@@ -565,7 +632,7 @@ static __always_inline int clocksource_bigadjust(s64 error, s64 *interval,
* here. This is tuned so that an error of about 1 msec is adjusted
* within about 1 sec (or 2^20 nsec in 2^SHIFT_HZ ticks).
*/
- error2 = clock->error >> (NTP_SCALE_SHIFT + 22 - 2 * SHIFT_HZ);
+ error2 = timekeeper.ntp_error >> (NTP_SCALE_SHIFT + 22 - 2 * SHIFT_HZ);
error2 = abs(error2);
for (look_ahead = 0; error2 > 0; look_ahead++)
error2 >>= 2;
@@ -574,8 +641,9 @@ static __always_inline int clocksource_bigadjust(s64 error, s64 *interval,
* Now calculate the error in (1 << look_ahead) ticks, but first
* remove the single look ahead already included in the error.
*/
- tick_error = tick_length >> (NTP_SCALE_SHIFT - clock->shift + 1);
- tick_error -= clock->xtime_interval >> 1;
+ tick_error = tick_length >>
+ (NTP_SCALE_SHIFT - timekeeper.clock->shift + 1);
+ tick_error -= timekeeper.xtime_interval >> 1;
error = ((error - tick_error) >> look_ahead) + tick_error;
/* Finally calculate the adjustment shift value. */
@@ -600,18 +668,19 @@ static __always_inline int clocksource_bigadjust(s64 error, s64 *interval,
* this is optimized for the most common adjustments of -1,0,1,
* for other values we can do a bit more work.
*/
-static void clocksource_adjust(s64 offset)
+static void timekeeping_adjust(s64 offset)
{
- s64 error, interval = clock->cycle_interval;
+ s64 error, interval = timekeeper.cycle_interval;
int adj;
- error = clock->error >> (NTP_SCALE_SHIFT - clock->shift - 1);
+ error = timekeeper.ntp_error >>
+ (NTP_SCALE_SHIFT - timekeeper.clock->shift - 1);
if (error > interval) {
error >>= 2;
if (likely(error <= interval))
adj = 1;
else
- adj = clocksource_bigadjust(error, &interval, &offset);
+ adj = timekeeping_bigadjust(error, &interval, &offset);
} else if (error < -interval) {
error >>= 2;
if (likely(error >= -interval)) {
@@ -619,15 +688,15 @@ static void clocksource_adjust(s64 offset)
interval = -interval;
offset = -offset;
} else
- adj = clocksource_bigadjust(error, &interval, &offset);
+ adj = timekeeping_bigadjust(error, &interval, &offset);
} else
return;
- clock->mult += adj;
- clock->xtime_interval += interval;
- clock->xtime_nsec -= offset;
- clock->error -= (interval - offset) <<
- (NTP_SCALE_SHIFT - clock->shift);
+ timekeeper.clock->mult += adj;
+ timekeeper.xtime_interval += interval;
+ timekeeper.xtime_nsec -= offset;
+ timekeeper.ntp_error -= (interval - offset) <<
+ (NTP_SCALE_SHIFT - timekeeper.clock->shift);
}
/**
@@ -637,53 +706,59 @@ static void clocksource_adjust(s64 offset)
*/
void update_wall_time(void)
{
+ struct clocksource *clock;
cycle_t offset;
+ s64 nsecs;
/* Make sure we're fully resumed: */
if (unlikely(timekeeping_suspended))
return;
+ clock = timekeeper.clock;
#ifdef CONFIG_GENERIC_TIME
offset = (clock->read(clock) - clock->cycle_last) & clock->mask;
#else
- offset = clock->cycle_interval;
+ offset = timekeeper.cycle_interval;
#endif
- clock->xtime_nsec = (s64)xtime.tv_nsec << clock->shift;
+ timekeeper.xtime_nsec = (s64)xtime.tv_nsec << clock->shift;
/* normally this loop will run just once, however in the
* case of lost or late ticks, it will accumulate correctly.
*/
- while (offset >= clock->cycle_interval) {
+ while (offset >= timekeeper.cycle_interval) {
+ u64 nsecps = (u64)NSEC_PER_SEC << clock->shift;
+
/* accumulate one interval */
- offset -= clock->cycle_interval;
- clock->cycle_last += clock->cycle_interval;
+ offset -= timekeeper.cycle_interval;
+ clock->cycle_last += timekeeper.cycle_interval;
- clock->xtime_nsec += clock->xtime_interval;
- if (clock->xtime_nsec >= (u64)NSEC_PER_SEC << clock->shift) {
- clock->xtime_nsec -= (u64)NSEC_PER_SEC << clock->shift;
+ timekeeper.xtime_nsec += timekeeper.xtime_interval;
+ if (timekeeper.xtime_nsec >= nsecps) {
+ timekeeper.xtime_nsec -= nsecps;
xtime.tv_sec++;
second_overflow();
}
- clock->raw_time.tv_nsec += clock->raw_interval;
- if (clock->raw_time.tv_nsec >= NSEC_PER_SEC) {
- clock->raw_time.tv_nsec -= NSEC_PER_SEC;
- clock->raw_time.tv_sec++;
+ raw_time.tv_nsec += timekeeper.raw_interval;
+ if (raw_time.tv_nsec >= NSEC_PER_SEC) {
+ raw_time.tv_nsec -= NSEC_PER_SEC;
+ raw_time.tv_sec++;
}
/* accumulate error between NTP and clock interval */
- clock->error += tick_length;
- clock->error -= clock->xtime_interval << (NTP_SCALE_SHIFT - clock->shift);
+ timekeeper.ntp_error += tick_length;
+ timekeeper.ntp_error -= timekeeper.xtime_interval <<
+ (NTP_SCALE_SHIFT - clock->shift);
}
/* correct the clock when NTP error is too big */
- clocksource_adjust(offset);
+ timekeeping_adjust(offset);
/*
* Since in the loop above, we accumulate any amount of time
* in xtime_nsec over a second into xtime.tv_sec, its possible for
* xtime_nsec to be fairly small after the loop. Further, if we're
- * slightly speeding the clocksource up in clocksource_adjust(),
+ * slightly speeding the clocksource up in timekeeping_adjust(),
* its possible the required corrective factor to xtime_nsec could
* cause it to underflow.
*
@@ -695,24 +770,26 @@ void update_wall_time(void)
* We'll correct this error next time through this function, when
* xtime_nsec is not as small.
*/
- if (unlikely((s64)clock->xtime_nsec < 0)) {
- s64 neg = -(s64)clock->xtime_nsec;
- clock->xtime_nsec = 0;
- clock->error += neg << (NTP_SCALE_SHIFT - clock->shift);
+ if (unlikely((s64)timekeeper.xtime_nsec < 0)) {
+ s64 neg = -(s64)timekeeper.xtime_nsec;
+ timekeeper.xtime_nsec = 0;
+ timekeeper.ntp_error += neg << (NTP_SCALE_SHIFT - clock->shift);
}
/* store full nanoseconds into xtime after rounding it up and
* add the remainder to the error difference.
*/
- xtime.tv_nsec = ((s64)clock->xtime_nsec >> clock->shift) + 1;
- clock->xtime_nsec -= (s64)xtime.tv_nsec << clock->shift;
- clock->error += clock->xtime_nsec << (NTP_SCALE_SHIFT - clock->shift);
+ xtime.tv_nsec = ((s64)timekeeper.xtime_nsec >> clock->shift) + 1;
+ timekeeper.xtime_nsec -= (s64)xtime.tv_nsec << clock->shift;
+ timekeeper.ntp_error += timekeeper.xtime_nsec <<
+ (NTP_SCALE_SHIFT - clock->shift);
- update_xtime_cache(cyc2ns(clock, offset));
+ nsecs = clocksource_cyc2ns(offset, clock->mult, clock->shift);
+ update_xtime_cache(nsecs);
/* check to see if there is a new clocksource to use */
change_clocksource();
- update_vsyscall(&xtime, clock);
+ update_vsyscall(&xtime, timekeeper.clock);
}
/**
--
GitLab
From 23ce72117c714baab794e66c8daf343bf6a912bf Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:27 +0200
Subject: [PATCH 172/742] timekeeping: Add xtime_shift and ntp_error_shift to
struct timekeeper
The xtime_nsec value in the timekeeper structure is shifted by a few
bits to improve precision. This happens to be the same value as the
clock->shift. To improve readability add xtime_shift to the timekeeper
and use it instead of the clock->shift. Likewise add ntp_error_shift
and replace all (NTP_SCALE_SHIFT - clock->shift) expressions.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134809.871899606@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/timekeeping.c | 33 +++++++++++++++++++--------------
1 file changed, 19 insertions(+), 14 deletions(-)
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 7af45cbf6b13..dfdab1cefe1e 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -23,6 +23,8 @@
struct timekeeper {
/* Current clocksource used for timekeeping. */
struct clocksource *clock;
+ /* The shift value of the current clocksource. */
+ int shift;
/* Number of clock cycles in one NTP interval. */
cycle_t cycle_interval;
@@ -36,6 +38,9 @@ struct timekeeper {
/* Difference between accumulated time and NTP time in ntp
* shifted nano seconds. */
s64 ntp_error;
+ /* Shift conversion between clock shifted nano seconds and
+ * ntp shifted nano seconds. */
+ int ntp_error_shift;
};
struct timekeeper timekeeper;
@@ -75,8 +80,10 @@ static void timekeeper_setup_internals(struct clocksource *clock)
((u64) interval * clock->mult_orig) >> clock->shift;
timekeeper.xtime_nsec = 0;
+ timekeeper.shift = clock->shift;
timekeeper.ntp_error = 0;
+ timekeeper.ntp_error_shift = NTP_SCALE_SHIFT - clock->shift;
}
/*
@@ -641,8 +648,7 @@ static __always_inline int timekeeping_bigadjust(s64 error, s64 *interval,
* Now calculate the error in (1 << look_ahead) ticks, but first
* remove the single look ahead already included in the error.
*/
- tick_error = tick_length >>
- (NTP_SCALE_SHIFT - timekeeper.clock->shift + 1);
+ tick_error = tick_length >> (timekeeper.ntp_error_shift + 1);
tick_error -= timekeeper.xtime_interval >> 1;
error = ((error - tick_error) >> look_ahead) + tick_error;
@@ -673,8 +679,7 @@ static void timekeeping_adjust(s64 offset)
s64 error, interval = timekeeper.cycle_interval;
int adj;
- error = timekeeper.ntp_error >>
- (NTP_SCALE_SHIFT - timekeeper.clock->shift - 1);
+ error = timekeeper.ntp_error >> (timekeeper.ntp_error_shift - 1);
if (error > interval) {
error >>= 2;
if (likely(error <= interval))
@@ -696,7 +701,7 @@ static void timekeeping_adjust(s64 offset)
timekeeper.xtime_interval += interval;
timekeeper.xtime_nsec -= offset;
timekeeper.ntp_error -= (interval - offset) <<
- (NTP_SCALE_SHIFT - timekeeper.clock->shift);
+ timekeeper.ntp_error_shift;
}
/**
@@ -708,7 +713,7 @@ void update_wall_time(void)
{
struct clocksource *clock;
cycle_t offset;
- s64 nsecs;
+ u64 nsecs;
/* Make sure we're fully resumed: */
if (unlikely(timekeeping_suspended))
@@ -720,13 +725,13 @@ void update_wall_time(void)
#else
offset = timekeeper.cycle_interval;
#endif
- timekeeper.xtime_nsec = (s64)xtime.tv_nsec << clock->shift;
+ timekeeper.xtime_nsec = (s64)xtime.tv_nsec << timekeeper.shift;
/* normally this loop will run just once, however in the
* case of lost or late ticks, it will accumulate correctly.
*/
while (offset >= timekeeper.cycle_interval) {
- u64 nsecps = (u64)NSEC_PER_SEC << clock->shift;
+ u64 nsecps = (u64)NSEC_PER_SEC << timekeeper.shift;
/* accumulate one interval */
offset -= timekeeper.cycle_interval;
@@ -748,7 +753,7 @@ void update_wall_time(void)
/* accumulate error between NTP and clock interval */
timekeeper.ntp_error += tick_length;
timekeeper.ntp_error -= timekeeper.xtime_interval <<
- (NTP_SCALE_SHIFT - clock->shift);
+ timekeeper.ntp_error_shift;
}
/* correct the clock when NTP error is too big */
@@ -773,16 +778,16 @@ void update_wall_time(void)
if (unlikely((s64)timekeeper.xtime_nsec < 0)) {
s64 neg = -(s64)timekeeper.xtime_nsec;
timekeeper.xtime_nsec = 0;
- timekeeper.ntp_error += neg << (NTP_SCALE_SHIFT - clock->shift);
+ timekeeper.ntp_error += neg << timekeeper.ntp_error_shift;
}
/* store full nanoseconds into xtime after rounding it up and
* add the remainder to the error difference.
*/
- xtime.tv_nsec = ((s64)timekeeper.xtime_nsec >> clock->shift) + 1;
- timekeeper.xtime_nsec -= (s64)xtime.tv_nsec << clock->shift;
- timekeeper.ntp_error += timekeeper.xtime_nsec <<
- (NTP_SCALE_SHIFT - clock->shift);
+ xtime.tv_nsec = ((s64) timekeeper.xtime_nsec >> timekeeper.shift) + 1;
+ timekeeper.xtime_nsec -= (s64) xtime.tv_nsec << timekeeper.shift;
+ timekeeper.ntp_error += timekeeper.xtime_nsec <<
+ timekeeper.ntp_error_shift;
nsecs = clocksource_cyc2ns(offset, clock->mult, clock->shift);
update_xtime_cache(nsecs);
--
GitLab
From 0a54419836254a27baecd9037103171bcbabaf67 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:28 +0200
Subject: [PATCH 173/742] timekeeping: Move NTP adjusted clock multiplier to
struct timekeeper
The clocksource structure has two multipliers, the unmodified multiplier
clock->mult_orig and the NTP corrected multiplier clock->mult. The NTP
multiplier is misplaced in the struct clocksource, this is private
information of the timekeeping code. Add the mult field to the struct
timekeeper to contain the NTP corrected value, keep the unmodifed
multiplier in clock->mult and remove clock->mult_orig.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134810.149047645@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/arm/plat-omap/common.c | 7 ++---
include/linux/clocksource.h | 4 +--
kernel/time/timekeeping.c | 53 +++++++++++++++++--------------------
3 files changed, 27 insertions(+), 37 deletions(-)
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index ebcf006406f9..95587b6c0259 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -253,11 +253,8 @@ static struct clocksource clocksource_32k = {
*/
unsigned long long sched_clock(void)
{
- unsigned long long ret;
-
- ret = (unsigned long long)clocksource_32k.read(&clocksource_32k);
- ret = (ret * clocksource_32k.mult_orig) >> clocksource_32k.shift;
- return ret;
+ return clocksource_cyc2ns(clocksource_32k.read(&clocksource_32k),
+ clocksource_32k.mult, clocksource_32k.shift);
}
static int __init omap_init_clocksource_32k(void)
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index e12e3095e2fb..e34015effeb6 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -149,8 +149,7 @@ extern u64 timecounter_cyc2time(struct timecounter *tc,
* @disable: optional function to disable the clocksource
* @mask: bitmask for two's complement
* subtraction of non 64 bit counters
- * @mult: cycle to nanosecond multiplier (adjusted by NTP)
- * @mult_orig: cycle to nanosecond multiplier (unadjusted by NTP)
+ * @mult: cycle to nanosecond multiplier
* @shift: cycle to nanosecond divisor (power of two)
* @flags: flags describing special properties
* @vread: vsyscall based read
@@ -168,7 +167,6 @@ struct clocksource {
void (*disable)(struct clocksource *cs);
cycle_t mask;
u32 mult;
- u32 mult_orig;
u32 shift;
unsigned long flags;
cycle_t (*vread)(void);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index dfdab1cefe1e..f4056f6c2632 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -41,6 +41,8 @@ struct timekeeper {
/* Shift conversion between clock shifted nano seconds and
* ntp shifted nano seconds. */
int ntp_error_shift;
+ /* NTP adjusted clock multiplier */
+ u32 mult;
};
struct timekeeper timekeeper;
@@ -66,8 +68,8 @@ static void timekeeper_setup_internals(struct clocksource *clock)
/* Do the ns -> cycle conversion first, using original mult */
tmp = NTP_INTERVAL_LENGTH;
tmp <<= clock->shift;
- tmp += clock->mult_orig/2;
- do_div(tmp, clock->mult_orig);
+ tmp += clock->mult/2;
+ do_div(tmp, clock->mult);
if (tmp == 0)
tmp = 1;
@@ -77,13 +79,20 @@ static void timekeeper_setup_internals(struct clocksource *clock)
/* Go back from cycles -> shifted ns */
timekeeper.xtime_interval = (u64) interval * clock->mult;
timekeeper.raw_interval =
- ((u64) interval * clock->mult_orig) >> clock->shift;
+ ((u64) interval * clock->mult) >> clock->shift;
timekeeper.xtime_nsec = 0;
timekeeper.shift = clock->shift;
timekeeper.ntp_error = 0;
timekeeper.ntp_error_shift = NTP_SCALE_SHIFT - clock->shift;
+
+ /*
+ * The timekeeper keeps its own mult values for the currently
+ * active clocksource. These value will be adjusted via NTP
+ * to counteract clock drifting.
+ */
+ timekeeper.mult = clock->mult;
}
/*
@@ -154,14 +163,15 @@ static void timekeeping_forward_now(void)
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
clock->cycle_last = cycle_now;
- nsec = clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift);
+ nsec = clocksource_cyc2ns(cycle_delta, timekeeper.mult,
+ timekeeper.shift);
/* If arch requires, add in gettimeoffset() */
nsec += arch_gettimeoffset();
timespec_add_ns(&xtime, nsec);
- nsec = clocksource_cyc2ns(cycle_delta, clock->mult_orig, clock->shift);
+ nsec = clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift);
timespec_add_ns(&raw_time, nsec);
}
@@ -193,8 +203,8 @@ void getnstimeofday(struct timespec *ts)
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
/* convert to nanoseconds: */
- nsecs = clocksource_cyc2ns(cycle_delta, clock->mult,
- clock->shift);
+ nsecs = clocksource_cyc2ns(cycle_delta, timekeeper.mult,
+ timekeeper.shift);
/* If arch requires, add in gettimeoffset() */
nsecs += arch_gettimeoffset();
@@ -228,8 +238,8 @@ ktime_t ktime_get(void)
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
/* convert to nanoseconds: */
- nsecs += clocksource_cyc2ns(cycle_delta, clock->mult,
- clock->shift);
+ nsecs += clocksource_cyc2ns(cycle_delta, timekeeper.mult,
+ timekeeper.shift);
} while (read_seqretry(&xtime_lock, seq));
/*
@@ -271,8 +281,8 @@ void ktime_get_ts(struct timespec *ts)
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
/* convert to nanoseconds: */
- nsecs = clocksource_cyc2ns(cycle_delta, clock->mult,
- clock->shift);
+ nsecs = clocksource_cyc2ns(cycle_delta, timekeeper.mult,
+ timekeeper.shift);
} while (read_seqretry(&xtime_lock, seq));
@@ -356,22 +366,10 @@ static void change_clocksource(void)
if (new->enable && !new->enable(new))
return;
- /*
- * The frequency may have changed while the clocksource
- * was disabled. If so the code in ->enable() must update
- * the mult value to reflect the new frequency. Make sure
- * mult_orig follows this change.
- */
- new->mult_orig = new->mult;
old = timekeeper.clock;
timekeeper_setup_internals(new);
- /*
- * Save mult_orig in mult so that the value can be restored
- * regardless if ->enable() updates the value of mult or not.
- */
- old->mult = old->mult_orig;
if (old->disable)
old->disable(old);
@@ -461,7 +459,7 @@ void getrawmonotonic(struct timespec *ts)
cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
/* convert to nanoseconds: */
- nsecs = clocksource_cyc2ns(cycle_delta, clock->mult_orig,
+ nsecs = clocksource_cyc2ns(cycle_delta, clock->mult,
clock->shift);
*ts = raw_time;
@@ -521,9 +519,6 @@ void __init timekeeping_init(void)
clock = clocksource_default_clock();
if (clock->enable)
clock->enable(clock);
- /* set mult_orig on enable */
- clock->mult_orig = clock->mult;
-
timekeeper_setup_internals(clock);
xtime.tv_sec = sec;
@@ -697,7 +692,7 @@ static void timekeeping_adjust(s64 offset)
} else
return;
- timekeeper.clock->mult += adj;
+ timekeeper.mult += adj;
timekeeper.xtime_interval += interval;
timekeeper.xtime_nsec -= offset;
timekeeper.ntp_error -= (interval - offset) <<
@@ -789,7 +784,7 @@ void update_wall_time(void)
timekeeper.ntp_error += timekeeper.xtime_nsec <<
timekeeper.ntp_error_shift;
- nsecs = clocksource_cyc2ns(offset, clock->mult, clock->shift);
+ nsecs = clocksource_cyc2ns(offset, timekeeper.mult, timekeeper.shift);
update_xtime_cache(nsecs);
/* check to see if there is a new clocksource to use */
--
GitLab
From 2ba2a3054fdffc8e6452f4ee120760322a6fbd43 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:29 +0200
Subject: [PATCH 174/742] timekeeping: Add timekeeper read_clock helper
functions
Add timekeeper_read_clock_ntp and timekeeper_read_clock_raw and use
them for getnstimeofday, ktime_get, ktime_get_ts and getrawmonotonic.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134810.435105711@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/timekeeping.c | 91 ++++++++++++++++-----------------------
1 file changed, 38 insertions(+), 53 deletions(-)
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index f4056f6c2632..27ae01b596b7 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -95,6 +95,40 @@ static void timekeeper_setup_internals(struct clocksource *clock)
timekeeper.mult = clock->mult;
}
+/* Timekeeper helper functions. */
+static inline s64 timekeeping_get_ns(void)
+{
+ cycle_t cycle_now, cycle_delta;
+ struct clocksource *clock;
+
+ /* read clocksource: */
+ clock = timekeeper.clock;
+ cycle_now = clock->read(clock);
+
+ /* calculate the delta since the last update_wall_time: */
+ cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
+
+ /* return delta convert to nanoseconds using ntp adjusted mult. */
+ return clocksource_cyc2ns(cycle_delta, timekeeper.mult,
+ timekeeper.shift);
+}
+
+static inline s64 timekeeping_get_ns_raw(void)
+{
+ cycle_t cycle_now, cycle_delta;
+ struct clocksource *clock;
+
+ /* read clocksource: */
+ clock = timekeeper.clock;
+ cycle_now = clock->read(clock);
+
+ /* calculate the delta since the last update_wall_time: */
+ cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
+
+ /* return delta convert to nanoseconds using ntp adjusted mult. */
+ return clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift);
+}
+
/*
* This read-write spinlock protects us from races in SMP while
* playing with xtime.
@@ -183,8 +217,6 @@ static void timekeeping_forward_now(void)
*/
void getnstimeofday(struct timespec *ts)
{
- cycle_t cycle_now, cycle_delta;
- struct clocksource *clock;
unsigned long seq;
s64 nsecs;
@@ -194,17 +226,7 @@ void getnstimeofday(struct timespec *ts)
seq = read_seqbegin(&xtime_lock);
*ts = xtime;
-
- /* read clocksource: */
- clock = timekeeper.clock;
- cycle_now = clock->read(clock);
-
- /* calculate the delta since the last update_wall_time: */
- cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
-
- /* convert to nanoseconds: */
- nsecs = clocksource_cyc2ns(cycle_delta, timekeeper.mult,
- timekeeper.shift);
+ nsecs = timekeeping_get_ns();
/* If arch requires, add in gettimeoffset() */
nsecs += arch_gettimeoffset();
@@ -218,8 +240,6 @@ EXPORT_SYMBOL(getnstimeofday);
ktime_t ktime_get(void)
{
- cycle_t cycle_now, cycle_delta;
- struct clocksource *clock;
unsigned int seq;
s64 secs, nsecs;
@@ -229,17 +249,7 @@ ktime_t ktime_get(void)
seq = read_seqbegin(&xtime_lock);
secs = xtime.tv_sec + wall_to_monotonic.tv_sec;
nsecs = xtime.tv_nsec + wall_to_monotonic.tv_nsec;
-
- /* read clocksource: */
- clock = timekeeper.clock;
- cycle_now = clock->read(clock);
-
- /* calculate the delta since the last update_wall_time: */
- cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
-
- /* convert to nanoseconds: */
- nsecs += clocksource_cyc2ns(cycle_delta, timekeeper.mult,
- timekeeper.shift);
+ nsecs += timekeeping_get_ns();
} while (read_seqretry(&xtime_lock, seq));
/*
@@ -260,8 +270,6 @@ EXPORT_SYMBOL_GPL(ktime_get);
*/
void ktime_get_ts(struct timespec *ts)
{
- cycle_t cycle_now, cycle_delta;
- struct clocksource *clock;
struct timespec tomono;
unsigned int seq;
s64 nsecs;
@@ -272,17 +280,7 @@ void ktime_get_ts(struct timespec *ts)
seq = read_seqbegin(&xtime_lock);
*ts = xtime;
tomono = wall_to_monotonic;
-
- /* read clocksource: */
- clock = timekeeper.clock;
- cycle_now = clock->read(clock);
-
- /* calculate the delta since the last update_wall_time: */
- cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
-
- /* convert to nanoseconds: */
- nsecs = clocksource_cyc2ns(cycle_delta, timekeeper.mult,
- timekeeper.shift);
+ nsecs = timekeeping_get_ns();
} while (read_seqretry(&xtime_lock, seq));
@@ -445,23 +443,10 @@ void getrawmonotonic(struct timespec *ts)
{
unsigned long seq;
s64 nsecs;
- cycle_t cycle_now, cycle_delta;
- struct clocksource *clock;
do {
seq = read_seqbegin(&xtime_lock);
-
- /* read clocksource: */
- clock = timekeeper.clock;
- cycle_now = clock->read(clock);
-
- /* calculate the delta since the last update_wall_time: */
- cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
-
- /* convert to nanoseconds: */
- nsecs = clocksource_cyc2ns(cycle_delta, clock->mult,
- clock->shift);
-
+ nsecs = timekeeping_get_ns_raw();
*ts = raw_time;
} while (read_seqretry(&xtime_lock, seq));
--
GitLab
From 75c5158f70c065b9704b924503d96e8297838f79 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:30 +0200
Subject: [PATCH 175/742] timekeeping: Update clocksource with stop_machine
update_wall_time calls change_clocksource HZ times per second to check
if a new clock source is available. In close to 100% of all calls
there is no new clock. Replace the tick based check by an update done
with stop_machine.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134810.711836357@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/clocksource.h | 2 +
kernel/time/clocksource.c | 112 ++++++++++++++----------------------
kernel/time/timekeeping.c | 41 ++++++++-----
3 files changed, 72 insertions(+), 83 deletions(-)
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index e34015effeb6..9ea40ff26f0e 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -291,4 +291,6 @@ static inline void update_vsyscall_tz(void)
}
#endif
+extern void timekeeping_notify(struct clocksource *clock);
+
#endif /* _LINUX_CLOCKSOURCE_H */
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index f18c9a6bdcf4..a1657b5fdeb9 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -109,35 +109,17 @@ EXPORT_SYMBOL(timecounter_cyc2time);
/*[Clocksource internal variables]---------
* curr_clocksource:
* currently selected clocksource.
- * next_clocksource:
- * pending next selected clocksource.
* clocksource_list:
* linked list with the registered clocksources
- * clocksource_lock:
- * protects manipulations to curr_clocksource and next_clocksource
- * and the clocksource_list
+ * clocksource_mutex:
+ * protects manipulations to curr_clocksource and the clocksource_list
* override_name:
* Name of the user-specified clocksource.
*/
static struct clocksource *curr_clocksource;
-static struct clocksource *next_clocksource;
static LIST_HEAD(clocksource_list);
-static DEFINE_SPINLOCK(clocksource_lock);
+static DEFINE_MUTEX(clocksource_mutex);
static char override_name[32];
-static int finished_booting;
-
-/* clocksource_done_booting - Called near the end of core bootup
- *
- * Hack to avoid lots of clocksource churn at boot time.
- * We use fs_initcall because we want this to start before
- * device_initcall but after subsys_initcall.
- */
-static int __init clocksource_done_booting(void)
-{
- finished_booting = 1;
- return 0;
-}
-fs_initcall(clocksource_done_booting);
#ifdef CONFIG_CLOCKSOURCE_WATCHDOG
static LIST_HEAD(watchdog_list);
@@ -356,18 +338,16 @@ static inline void clocksource_resume_watchdog(void) { }
void clocksource_resume(void)
{
struct clocksource *cs;
- unsigned long flags;
- spin_lock_irqsave(&clocksource_lock, flags);
+ mutex_lock(&clocksource_mutex);
- list_for_each_entry(cs, &clocksource_list, list) {
+ list_for_each_entry(cs, &clocksource_list, list)
if (cs->resume)
cs->resume();
- }
clocksource_resume_watchdog();
- spin_unlock_irqrestore(&clocksource_lock, flags);
+ mutex_unlock(&clocksource_mutex);
}
/**
@@ -383,28 +363,13 @@ void clocksource_touch_watchdog(void)
}
#ifdef CONFIG_GENERIC_TIME
-/**
- * clocksource_get_next - Returns the selected clocksource
- *
- */
-struct clocksource *clocksource_get_next(void)
-{
- unsigned long flags;
- spin_lock_irqsave(&clocksource_lock, flags);
- if (next_clocksource && finished_booting) {
- curr_clocksource = next_clocksource;
- next_clocksource = NULL;
- }
- spin_unlock_irqrestore(&clocksource_lock, flags);
-
- return curr_clocksource;
-}
+static int finished_booting;
/**
* clocksource_select - Select the best clocksource available
*
- * Private function. Must hold clocksource_lock when called.
+ * Private function. Must hold clocksource_mutex when called.
*
* Select the clocksource with the best rating, or the clocksource,
* which is selected by userspace override.
@@ -413,7 +378,7 @@ static void clocksource_select(void)
{
struct clocksource *best, *cs;
- if (list_empty(&clocksource_list))
+ if (!finished_booting || list_empty(&clocksource_list))
return;
/* First clocksource on the list has the best rating. */
best = list_first_entry(&clocksource_list, struct clocksource, list);
@@ -438,13 +403,31 @@ static void clocksource_select(void)
best = cs;
break;
}
- if (curr_clocksource != best)
- next_clocksource = best;
+ if (curr_clocksource != best) {
+ printk(KERN_INFO "Switching to clocksource %s\n", best->name);
+ curr_clocksource = best;
+ timekeeping_notify(curr_clocksource);
+ }
}
+/*
+ * clocksource_done_booting - Called near the end of core bootup
+ *
+ * Hack to avoid lots of clocksource churn at boot time.
+ * We use fs_initcall because we want this to start before
+ * device_initcall but after subsys_initcall.
+ */
+static int __init clocksource_done_booting(void)
+{
+ finished_booting = 1;
+ clocksource_select();
+ return 0;
+}
+fs_initcall(clocksource_done_booting);
+
#else /* CONFIG_GENERIC_TIME */
-static void clocksource_select(void) { }
+static inline void clocksource_select(void) { }
#endif
@@ -471,13 +454,11 @@ static void clocksource_enqueue(struct clocksource *cs)
*/
int clocksource_register(struct clocksource *cs)
{
- unsigned long flags;
-
- spin_lock_irqsave(&clocksource_lock, flags);
+ mutex_lock(&clocksource_mutex);
clocksource_enqueue(cs);
clocksource_select();
- spin_unlock_irqrestore(&clocksource_lock, flags);
clocksource_enqueue_watchdog(cs);
+ mutex_unlock(&clocksource_mutex);
return 0;
}
EXPORT_SYMBOL(clocksource_register);
@@ -487,14 +468,12 @@ EXPORT_SYMBOL(clocksource_register);
*/
void clocksource_change_rating(struct clocksource *cs, int rating)
{
- unsigned long flags;
-
- spin_lock_irqsave(&clocksource_lock, flags);
+ mutex_lock(&clocksource_mutex);
list_del(&cs->list);
cs->rating = rating;
clocksource_enqueue(cs);
clocksource_select();
- spin_unlock_irqrestore(&clocksource_lock, flags);
+ mutex_unlock(&clocksource_mutex);
}
EXPORT_SYMBOL(clocksource_change_rating);
@@ -503,13 +482,11 @@ EXPORT_SYMBOL(clocksource_change_rating);
*/
void clocksource_unregister(struct clocksource *cs)
{
- unsigned long flags;
-
+ mutex_lock(&clocksource_mutex);
clocksource_dequeue_watchdog(cs);
- spin_lock_irqsave(&clocksource_lock, flags);
list_del(&cs->list);
clocksource_select();
- spin_unlock_irqrestore(&clocksource_lock, flags);
+ mutex_unlock(&clocksource_mutex);
}
EXPORT_SYMBOL(clocksource_unregister);
@@ -527,9 +504,9 @@ sysfs_show_current_clocksources(struct sys_device *dev,
{
ssize_t count = 0;
- spin_lock_irq(&clocksource_lock);
+ mutex_lock(&clocksource_mutex);
count = snprintf(buf, PAGE_SIZE, "%s\n", curr_clocksource->name);
- spin_unlock_irq(&clocksource_lock);
+ mutex_unlock(&clocksource_mutex);
return count;
}
@@ -557,14 +534,14 @@ static ssize_t sysfs_override_clocksource(struct sys_device *dev,
if (buf[count-1] == '\n')
count--;
- spin_lock_irq(&clocksource_lock);
+ mutex_lock(&clocksource_mutex);
if (count > 0)
memcpy(override_name, buf, count);
override_name[count] = 0;
clocksource_select();
- spin_unlock_irq(&clocksource_lock);
+ mutex_unlock(&clocksource_mutex);
return ret;
}
@@ -584,7 +561,7 @@ sysfs_show_available_clocksources(struct sys_device *dev,
struct clocksource *src;
ssize_t count = 0;
- spin_lock_irq(&clocksource_lock);
+ mutex_lock(&clocksource_mutex);
list_for_each_entry(src, &clocksource_list, list) {
/*
* Don't show non-HRES clocksource if the tick code is
@@ -596,7 +573,7 @@ sysfs_show_available_clocksources(struct sys_device *dev,
max((ssize_t)PAGE_SIZE - count, (ssize_t)0),
"%s ", src->name);
}
- spin_unlock_irq(&clocksource_lock);
+ mutex_unlock(&clocksource_mutex);
count += snprintf(buf + count,
max((ssize_t)PAGE_SIZE - count, (ssize_t)0), "\n");
@@ -651,11 +628,10 @@ device_initcall(init_clocksource_sysfs);
*/
static int __init boot_override_clocksource(char* str)
{
- unsigned long flags;
- spin_lock_irqsave(&clocksource_lock, flags);
+ mutex_lock(&clocksource_mutex);
if (str)
strlcpy(override_name, str, sizeof(override_name));
- spin_unlock_irqrestore(&clocksource_lock, flags);
+ mutex_unlock(&clocksource_mutex);
return 1;
}
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 27ae01b596b7..41579e7fcf9d 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -18,6 +18,7 @@
#include <linux/jiffies.h>
#include <linux/time.h>
#include <linux/tick.h>
+#include <linux/stop_machine.h>
/* Structure holding internal timekeeping values. */
struct timekeeper {
@@ -179,6 +180,7 @@ void timekeeping_leap_insert(int leapsecond)
}
#ifdef CONFIG_GENERIC_TIME
+
/**
* timekeeping_forward_now - update clock to the current time
*
@@ -351,31 +353,40 @@ EXPORT_SYMBOL(do_settimeofday);
*
* Accumulates current time interval and initializes new clocksource
*/
-static void change_clocksource(void)
+static int change_clocksource(void *data)
{
struct clocksource *new, *old;
- new = clocksource_get_next();
-
- if (!new || timekeeper.clock == new)
- return;
+ new = (struct clocksource *) data;
timekeeping_forward_now();
+ if (!new->enable || new->enable(new) == 0) {
+ old = timekeeper.clock;
+ timekeeper_setup_internals(new);
+ if (old->disable)
+ old->disable(old);
+ }
+ return 0;
+}
- if (new->enable && !new->enable(new))
+/**
+ * timekeeping_notify - Install a new clock source
+ * @clock: pointer to the clock source
+ *
+ * This function is called from clocksource.c after a new, better clock
+ * source has been registered. The caller holds the clocksource_mutex.
+ */
+void timekeeping_notify(struct clocksource *clock)
+{
+ if (timekeeper.clock == clock)
return;
-
- old = timekeeper.clock;
- timekeeper_setup_internals(new);
-
- if (old->disable)
- old->disable(old);
-
+ stop_machine(change_clocksource, clock, NULL);
tick_clock_notify();
}
+
#else /* GENERIC_TIME */
+
static inline void timekeeping_forward_now(void) { }
-static inline void change_clocksource(void) { }
/**
* ktime_get - get the monotonic time in ktime_t format
@@ -416,6 +427,7 @@ void ktime_get_ts(struct timespec *ts)
ts->tv_nsec + tomono.tv_nsec);
}
EXPORT_SYMBOL_GPL(ktime_get_ts);
+
#endif /* !GENERIC_TIME */
/**
@@ -773,7 +785,6 @@ void update_wall_time(void)
update_xtime_cache(nsecs);
/* check to see if there is a new clocksource to use */
- change_clocksource();
update_vsyscall(&xtime, timekeeper.clock);
}
--
GitLab
From d4f587c67fc39e0030ddd718675e252e208da4d7 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:31 +0200
Subject: [PATCH 176/742] timekeeping: Increase granularity of
read_persistent_clock()
The persistent clock of some architectures (e.g. s390) have a
better granularity than seconds. To reduce the delta between the
host clock and the guest clock in a virtualized system change the
read_persistent_clock function to return a struct timespec.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134811.013873340@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/m68knommu/kernel/time.c | 5 +--
arch/mips/dec/time.c | 5 +--
arch/mips/lasat/ds1603.c | 5 +--
arch/mips/lasat/sysctl.c | 8 +++--
arch/mips/lemote/lm2e/setup.c | 5 +--
arch/mips/mti-malta/malta-time.c | 5 +--
arch/mips/pmc-sierra/yosemite/setup.c | 5 +--
arch/mips/sibyte/swarm/setup.c | 15 +++++---
arch/mips/sni/time.c | 5 +--
arch/powerpc/kernel/time.c | 7 ++--
arch/s390/kernel/time.c | 22 +++---------
arch/sh/kernel/time.c | 6 ++--
arch/x86/kernel/rtc.c | 5 +--
arch/xtensa/kernel/time.c | 5 ++-
include/linux/time.h | 2 +-
kernel/time/timekeeping.c | 52 +++++++++++++++------------
16 files changed, 83 insertions(+), 74 deletions(-)
diff --git a/arch/m68knommu/kernel/time.c b/arch/m68knommu/kernel/time.c
index d182b2f72211..68432248515c 100644
--- a/arch/m68knommu/kernel/time.c
+++ b/arch/m68knommu/kernel/time.c
@@ -72,9 +72,10 @@ static unsigned long read_rtc_mmss(void)
return mktime(year, mon, day, hour, min, sec);;
}
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
- return read_rtc_mmss();
+ ts->tv_sec = read_rtc_mmss();
+ ts->tv_nsec = 0;
}
int update_persistent_clock(struct timespec now)
diff --git a/arch/mips/dec/time.c b/arch/mips/dec/time.c
index 463136e6685a..02f505f23c32 100644
--- a/arch/mips/dec/time.c
+++ b/arch/mips/dec/time.c
@@ -18,7 +18,7 @@
#include <asm/dec/ioasic.h>
#include <asm/dec/machtype.h>
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
unsigned int year, mon, day, hour, min, sec, real_year;
unsigned long flags;
@@ -53,7 +53,8 @@ unsigned long read_persistent_clock(void)
year += real_year - 72 + 2000;
- return mktime(year, mon, day, hour, min, sec);
+ ts->tv_sec = mktime(year, mon, day, hour, min, sec);
+ ts->tv_nsec = 0;
}
/*
diff --git a/arch/mips/lasat/ds1603.c b/arch/mips/lasat/ds1603.c
index 52cb1436a12a..c6fd96ff118d 100644
--- a/arch/mips/lasat/ds1603.c
+++ b/arch/mips/lasat/ds1603.c
@@ -135,7 +135,7 @@ static void rtc_end_op(void)
lasat_ndelay(1000);
}
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
unsigned long word;
unsigned long flags;
@@ -147,7 +147,8 @@ unsigned long read_persistent_clock(void)
rtc_end_op();
spin_unlock_irqrestore(&rtc_lock, flags);
- return word;
+ ts->tv_sec = word;
+ ts->tv_nsec = 0;
}
int rtc_mips_set_mmss(unsigned long time)
diff --git a/arch/mips/lasat/sysctl.c b/arch/mips/lasat/sysctl.c
index 8f88886feb12..3f04d4c406b7 100644
--- a/arch/mips/lasat/sysctl.c
+++ b/arch/mips/lasat/sysctl.c
@@ -92,10 +92,12 @@ static int rtctmp;
int proc_dolasatrtc(ctl_table *table, int write, struct file *filp,
void *buffer, size_t *lenp, loff_t *ppos)
{
+ struct timespec ts;
int r;
if (!write) {
- rtctmp = read_persistent_clock();
+ read_persistent_clock(&ts);
+ rtctmp = ts.tv_sec;
/* check for time < 0 and set to 0 */
if (rtctmp < 0)
rtctmp = 0;
@@ -134,9 +136,11 @@ int sysctl_lasat_rtc(ctl_table *table,
void *oldval, size_t *oldlenp,
void *newval, size_t newlen)
{
+ struct timespec ts;
int r;
- rtctmp = read_persistent_clock();
+ read_persistent_clock(&ts);
+ rtctmp = ts.tv_sec;
if (rtctmp < 0)
rtctmp = 0;
r = sysctl_intvec(table, oldval, oldlenp, newval, newlen);
diff --git a/arch/mips/lemote/lm2e/setup.c b/arch/mips/lemote/lm2e/setup.c
index ebd6ceaef2fd..24b355df6127 100644
--- a/arch/mips/lemote/lm2e/setup.c
+++ b/arch/mips/lemote/lm2e/setup.c
@@ -54,9 +54,10 @@ void __init plat_time_init(void)
mips_hpt_frequency = cpu_clock_freq / 2;
}
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
- return mc146818_get_cmos_time();
+ ts->tv_sec = mc146818_get_cmos_time();
+ ts->tv_nsec = 0;
}
void (*__wbflush)(void);
diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index 0b97d47691fc..3c6f190aa61c 100644
--- a/arch/mips/mti-malta/malta-time.c
+++ b/arch/mips/mti-malta/malta-time.c
@@ -100,9 +100,10 @@ static unsigned int __init estimate_cpu_frequency(void)
return count;
}
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
- return mc146818_get_cmos_time();
+ ts->tv_sec = mc146818_get_cmos_time();
+ ts->tv_nsec = 0;
}
static void __init plat_perf_setup(void)
diff --git a/arch/mips/pmc-sierra/yosemite/setup.c b/arch/mips/pmc-sierra/yosemite/setup.c
index 2d3c0dca275d..3498ac9c35af 100644
--- a/arch/mips/pmc-sierra/yosemite/setup.c
+++ b/arch/mips/pmc-sierra/yosemite/setup.c
@@ -70,7 +70,7 @@ void __init bus_error_init(void)
}
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
unsigned int year, month, day, hour, min, sec;
unsigned long flags;
@@ -92,7 +92,8 @@ unsigned long read_persistent_clock(void)
m48t37_base->control = 0x00;
spin_unlock_irqrestore(&rtc_lock, flags);
- return mktime(year, month, day, hour, min, sec);
+ ts->tv_sec = mktime(year, month, day, hour, min, sec);
+ ts->tv_nsec = 0;
}
int rtc_mips_set_time(unsigned long tim)
diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c
index 672e45d495a9..623ffc933c4c 100644
--- a/arch/mips/sibyte/swarm/setup.c
+++ b/arch/mips/sibyte/swarm/setup.c
@@ -87,19 +87,26 @@ enum swarm_rtc_type {
enum swarm_rtc_type swarm_rtc_type;
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
+ unsigned long sec;
+
switch (swarm_rtc_type) {
case RTC_XICOR:
- return xicor_get_time();
+ sec = xicor_get_time();
+ break;
case RTC_M4LT81:
- return m41t81_get_time();
+ sec = m41t81_get_time();
+ break;
case RTC_NONE:
default:
- return mktime(2000, 1, 1, 0, 0, 0);
+ sec = mktime(2000, 1, 1, 0, 0, 0);
+ break;
}
+ ts->tv_sec = sec;
+ tv->tv_nsec = 0;
}
int rtc_mips_set_time(unsigned long sec)
diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c
index 0d9ec1a5c24a..62df6a598e0a 100644
--- a/arch/mips/sni/time.c
+++ b/arch/mips/sni/time.c
@@ -182,7 +182,8 @@ void __init plat_time_init(void)
setup_pit_timer();
}
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
- return -1;
+ ts->tv_sec = -1;
+ ts->tv_nsec = 0;
}
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index eae4511ceeac..ad63f30fe3da 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -769,7 +769,7 @@ int update_persistent_clock(struct timespec now)
return ppc_md.set_rtc_time(&tm);
}
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
struct rtc_time tm;
static int first = 1;
@@ -787,8 +787,9 @@ unsigned long read_persistent_clock(void)
if (!ppc_md.get_rtc_time)
return 0;
ppc_md.get_rtc_time(&tm);
- return mktime(tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
- tm.tm_hour, tm.tm_min, tm.tm_sec);
+ ts->tv_sec = mktime(tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
+ tm.tm_hour, tm.tm_min, tm.tm_sec);
+ ts->tv_nsec = 0;
}
/* clocksource code */
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index e76c2e7a8b9a..a94ec48587b4 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -182,12 +182,9 @@ static void timing_alert_interrupt(__u16 code)
static void etr_reset(void);
static void stp_reset(void);
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
- struct timespec ts;
-
- tod_to_timeval(get_clock() - TOD_UNIX_EPOCH, &ts);
- return ts.tv_sec;
+ tod_to_timeval(get_clock() - TOD_UNIX_EPOCH, ts);
}
static cycle_t read_tod_clock(struct clocksource *cs)
@@ -248,7 +245,6 @@ void __init time_init(void)
{
struct timespec ts;
unsigned long flags;
- cycle_t now;
/* Reset time synchronization interfaces. */
etr_reset();
@@ -266,20 +262,10 @@ void __init time_init(void)
panic("Could not register TOD clock source");
/*
- * The TOD clock is an accurate clock. The xtime should be
- * initialized in a way that the difference between TOD and
- * xtime is reasonably small. Too bad that timekeeping_init
- * sets xtime.tv_nsec to zero. In addition the clock source
- * change from the jiffies clock source to the TOD clock
- * source add another error of up to 1/HZ second. The same
- * function sets wall_to_monotonic to a value that is too
- * small for /proc/uptime to be accurate.
- * Reset xtime and wall_to_monotonic to sane values.
+ * Reset wall_to_monotonic to the initial timestamp created
+ * in head.S to get a precise value in /proc/uptime.
*/
write_seqlock_irqsave(&xtime_lock, flags);
- now = get_clock();
- tod_to_timeval(now - TOD_UNIX_EPOCH, &xtime);
- clocksource_tod.cycle_last = now;
tod_to_timeval(sched_clock_base_cc - TOD_UNIX_EPOCH, &ts);
set_normalized_timespec(&wall_to_monotonic, -ts.tv_sec, -ts.tv_nsec);
write_sequnlock_irqrestore(&xtime_lock, flags);
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index 9b352a1e3fb4..3f4706aa975e 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -39,11 +39,9 @@ void (*rtc_sh_get_time)(struct timespec *) = null_rtc_get_time;
int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time;
#ifdef CONFIG_GENERIC_CMOS_UPDATE
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
- struct timespec tv;
- rtc_sh_get_time(&tv);
- return tv.tv_sec;
+ rtc_sh_get_time(&ts);
}
int update_persistent_clock(struct timespec now)
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 5d465b207e72..bf67dcb4a44c 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -178,7 +178,7 @@ static int set_rtc_mmss(unsigned long nowtime)
}
/* not static: needed by APM */
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
unsigned long retval, flags;
@@ -186,7 +186,8 @@ unsigned long read_persistent_clock(void)
retval = get_wallclock();
spin_unlock_irqrestore(&rtc_lock, flags);
- return retval;
+ ts->tv_sec = retval;
+ ts->tv_nsec = 0;
}
int update_persistent_clock(struct timespec now)
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 8848120d291b..19085ff0484a 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -59,9 +59,8 @@ static struct irqaction timer_irqaction = {
void __init time_init(void)
{
- xtime.tv_nsec = 0;
- xtime.tv_sec = read_persistent_clock();
-
+ /* FIXME: xtime&wall_to_monotonic are set in timekeeping_init. */
+ read_persistent_clock(&xtime);
set_normalized_timespec(&wall_to_monotonic,
-xtime.tv_sec, -xtime.tv_nsec);
diff --git a/include/linux/time.h b/include/linux/time.h
index e7c844558884..53a3216f0d1b 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -101,7 +101,7 @@ extern struct timespec xtime;
extern struct timespec wall_to_monotonic;
extern seqlock_t xtime_lock;
-extern unsigned long read_persistent_clock(void);
+extern void read_persistent_clock(struct timespec *ts);
extern int update_persistent_clock(struct timespec now);
extern int no_sync_cmos_clock __read_mostly;
void timekeeping_init(void);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 41579e7fcf9d..f1a21ce491e6 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -154,7 +154,7 @@ __cacheline_aligned_in_smp DEFINE_SEQLOCK(xtime_lock);
*/
struct timespec xtime __attribute__ ((aligned (16)));
struct timespec wall_to_monotonic __attribute__ ((aligned (16)));
-static unsigned long total_sleep_time; /* seconds */
+static struct timespec total_sleep_time;
/*
* The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock.
@@ -487,17 +487,18 @@ int timekeeping_valid_for_hres(void)
}
/**
- * read_persistent_clock - Return time in seconds from the persistent clock.
+ * read_persistent_clock - Return time from the persistent clock.
*
* Weak dummy function for arches that do not yet support it.
- * Returns seconds from epoch using the battery backed persistent clock.
- * Returns zero if unsupported.
+ * Reads the time from the battery backed persistent clock.
+ * Returns a timespec with tv_sec=0 and tv_nsec=0 if unsupported.
*
* XXX - Do be sure to remove it once all arches implement it.
*/
-unsigned long __attribute__((weak)) read_persistent_clock(void)
+void __attribute__((weak)) read_persistent_clock(struct timespec *ts)
{
- return 0;
+ ts->tv_sec = 0;
+ ts->tv_nsec = 0;
}
/*
@@ -507,7 +508,9 @@ void __init timekeeping_init(void)
{
struct clocksource *clock;
unsigned long flags;
- unsigned long sec = read_persistent_clock();
+ struct timespec now;
+
+ read_persistent_clock(&now);
write_seqlock_irqsave(&xtime_lock, flags);
@@ -518,19 +521,20 @@ void __init timekeeping_init(void)
clock->enable(clock);
timekeeper_setup_internals(clock);
- xtime.tv_sec = sec;
- xtime.tv_nsec = 0;
+ xtime.tv_sec = now.tv_sec;
+ xtime.tv_nsec = now.tv_nsec;
raw_time.tv_sec = 0;
raw_time.tv_nsec = 0;
set_normalized_timespec(&wall_to_monotonic,
-xtime.tv_sec, -xtime.tv_nsec);
update_xtime_cache(0);
- total_sleep_time = 0;
+ total_sleep_time.tv_sec = 0;
+ total_sleep_time.tv_nsec = 0;
write_sequnlock_irqrestore(&xtime_lock, flags);
}
/* time in seconds when suspend began */
-static unsigned long timekeeping_suspend_time;
+static struct timespec timekeeping_suspend_time;
/**
* timekeeping_resume - Resumes the generic timekeeping subsystem.
@@ -543,18 +547,19 @@ static unsigned long timekeeping_suspend_time;
static int timekeeping_resume(struct sys_device *dev)
{
unsigned long flags;
- unsigned long now = read_persistent_clock();
+ struct timespec ts;
+
+ read_persistent_clock(&ts);
clocksource_resume();
write_seqlock_irqsave(&xtime_lock, flags);
- if (now && (now > timekeeping_suspend_time)) {
- unsigned long sleep_length = now - timekeeping_suspend_time;
-
- xtime.tv_sec += sleep_length;
- wall_to_monotonic.tv_sec -= sleep_length;
- total_sleep_time += sleep_length;
+ if (timespec_compare(&ts, &timekeeping_suspend_time) > 0) {
+ ts = timespec_sub(ts, timekeeping_suspend_time);
+ xtime = timespec_add_safe(xtime, ts);
+ wall_to_monotonic = timespec_sub(wall_to_monotonic, ts);
+ total_sleep_time = timespec_add_safe(total_sleep_time, ts);
}
update_xtime_cache(0);
/* re-base the last cycle value */
@@ -577,7 +582,7 @@ static int timekeeping_suspend(struct sys_device *dev, pm_message_t state)
{
unsigned long flags;
- timekeeping_suspend_time = read_persistent_clock();
+ read_persistent_clock(&timekeeping_suspend_time);
write_seqlock_irqsave(&xtime_lock, flags);
timekeeping_forward_now();
@@ -801,9 +806,10 @@ void update_wall_time(void)
*/
void getboottime(struct timespec *ts)
{
- set_normalized_timespec(ts,
- - (wall_to_monotonic.tv_sec + total_sleep_time),
- - wall_to_monotonic.tv_nsec);
+ struct timespec boottime;
+
+ boottime = timespec_add_safe(wall_to_monotonic, total_sleep_time);
+ set_normalized_timespec(ts, -boottime.tv_sec, -boottime.tv_nsec);
}
/**
@@ -812,7 +818,7 @@ void getboottime(struct timespec *ts)
*/
void monotonic_to_bootbased(struct timespec *ts)
{
- ts->tv_sec += total_sleep_time;
+ *ts = timespec_add_safe(*ts, total_sleep_time);
}
unsigned long get_seconds(void)
--
GitLab
From 23970e389e9cee43c4b41023935e1417271708b2 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 14 Aug 2009 15:47:32 +0200
Subject: [PATCH 177/742] timekeeping: Introduce read_boot_clock
Add the new function read_boot_clock to get the exact time the system
has been started. For architectures without support for exact boot
time a new weak function is added that returns 0. Use the exact boot
time to initialize wall_to_monotonic, or xtime if the read_boot_clock
returned 0.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <20090814134811.296703241@de.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/s390/kernel/time.c | 17 +++++------------
include/linux/time.h | 1 +
kernel/time/timekeeping.c | 24 ++++++++++++++++++++++--
3 files changed, 28 insertions(+), 14 deletions(-)
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index a94ec48587b4..6bff1a1d9060 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -187,6 +187,11 @@ void read_persistent_clock(struct timespec *ts)
tod_to_timeval(get_clock() - TOD_UNIX_EPOCH, ts);
}
+void read_boot_clock(struct timespec *ts)
+{
+ tod_to_timeval(sched_clock_base_cc - TOD_UNIX_EPOCH, ts);
+}
+
static cycle_t read_tod_clock(struct clocksource *cs)
{
return get_clock();
@@ -243,9 +248,6 @@ void update_vsyscall_tz(void)
*/
void __init time_init(void)
{
- struct timespec ts;
- unsigned long flags;
-
/* Reset time synchronization interfaces. */
etr_reset();
stp_reset();
@@ -261,15 +263,6 @@ void __init time_init(void)
if (clocksource_register(&clocksource_tod) != 0)
panic("Could not register TOD clock source");
- /*
- * Reset wall_to_monotonic to the initial timestamp created
- * in head.S to get a precise value in /proc/uptime.
- */
- write_seqlock_irqsave(&xtime_lock, flags);
- tod_to_timeval(sched_clock_base_cc - TOD_UNIX_EPOCH, &ts);
- set_normalized_timespec(&wall_to_monotonic, -ts.tv_sec, -ts.tv_nsec);
- write_sequnlock_irqrestore(&xtime_lock, flags);
-
/* Enable TOD clock interrupts on the boot cpu. */
init_cpu_timer();
diff --git a/include/linux/time.h b/include/linux/time.h
index 53a3216f0d1b..f505988398e6 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -102,6 +102,7 @@ extern struct timespec wall_to_monotonic;
extern seqlock_t xtime_lock;
extern void read_persistent_clock(struct timespec *ts);
+extern void read_boot_clock(struct timespec *ts);
extern int update_persistent_clock(struct timespec now);
extern int no_sync_cmos_clock __read_mostly;
void timekeeping_init(void);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index f1a21ce491e6..15e06defca55 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -501,6 +501,21 @@ void __attribute__((weak)) read_persistent_clock(struct timespec *ts)
ts->tv_nsec = 0;
}
+/**
+ * read_boot_clock - Return time of the system start.
+ *
+ * Weak dummy function for arches that do not yet support it.
+ * Function to read the exact time the system has been started.
+ * Returns a timespec with tv_sec=0 and tv_nsec=0 if unsupported.
+ *
+ * XXX - Do be sure to remove it once all arches implement it.
+ */
+void __attribute__((weak)) read_boot_clock(struct timespec *ts)
+{
+ ts->tv_sec = 0;
+ ts->tv_nsec = 0;
+}
+
/*
* timekeeping_init - Initializes the clocksource and common timekeeping values
*/
@@ -508,9 +523,10 @@ void __init timekeeping_init(void)
{
struct clocksource *clock;
unsigned long flags;
- struct timespec now;
+ struct timespec now, boot;
read_persistent_clock(&now);
+ read_boot_clock(&boot);
write_seqlock_irqsave(&xtime_lock, flags);
@@ -525,8 +541,12 @@ void __init timekeeping_init(void)
xtime.tv_nsec = now.tv_nsec;
raw_time.tv_sec = 0;
raw_time.tv_nsec = 0;
+ if (boot.tv_sec == 0 && boot.tv_nsec == 0) {
+ boot.tv_sec = xtime.tv_sec;
+ boot.tv_nsec = xtime.tv_nsec;
+ }
set_normalized_timespec(&wall_to_monotonic,
- -xtime.tv_sec, -xtime.tv_nsec);
+ -boot.tv_sec, -boot.tv_nsec);
update_xtime_cache(0);
total_sleep_time.tv_sec = 0;
total_sleep_time.tv_nsec = 0;
--
GitLab
From 6ea41d252f35465a2308a4038a323b6b07de06f6 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 15 Aug 2009 13:20:42 +0200
Subject: [PATCH 178/742] clocksource: Call clocksource_change_rating() outside
of watchdog_lock
The changes to the watchdog logic introduced a lock inversion between
watchdog_lock and clocksource_mutex. Change the rating outside of
watchdog_lock to avoid it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/clocksource.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index a1657b5fdeb9..02dc22d888fe 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -307,16 +307,23 @@ static void clocksource_watchdog_work(struct work_struct *work)
{
struct clocksource *cs, *tmp;
unsigned long flags;
+ LIST_HEAD(unstable);
spin_lock_irqsave(&watchdog_lock, flags);
list_for_each_entry_safe(cs, tmp, &watchdog_list, wd_list)
if (cs->flags & CLOCK_SOURCE_UNSTABLE) {
list_del_init(&cs->wd_list);
- clocksource_change_rating(cs, 0);
+ list_add(&cs->wd_list, &unstable);
}
/* Check if the watchdog timer needs to be stopped. */
clocksource_stop_watchdog();
- spin_unlock(&watchdog_lock);
+ spin_unlock_irqrestore(&watchdog_lock, flags);
+
+ /* Needs to be done outside of watchdog lock */
+ list_for_each_entry_safe(cs, tmp, &unstable, wd_list) {
+ list_del_init(&cs->wd_list);
+ clocksource_change_rating(cs, 0);
+ }
}
#else /* CONFIG_CLOCKSOURCE_WATCHDOG */
--
GitLab
From 65305ae816ca17a38340aef0ccc92d0c127acccf Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 16 Aug 2009 00:53:56 +0900
Subject: [PATCH 179/742] sh: Convert cache disabled SH-5 over to new cache
interface.
The caches enabled case needs more work, but is presently broken
regardless, so this can be done incrementally.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/page.h | 8 --------
arch/sh/include/cpu-sh5/cpu/cacheflush.h | 25 ------------------------
arch/sh/mm/Makefile_64 | 2 +-
arch/sh/mm/tlbflush_64.c | 5 -----
4 files changed, 1 insertion(+), 39 deletions(-)
delete mode 100644 arch/sh/include/cpu-sh5/cpu/cacheflush.h
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index a316eeb50b39..81bffc0d6860 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -63,20 +63,12 @@ extern void copy_page(void *to, void *from);
struct page;
struct vm_area_struct;
-#if defined(CONFIG_CPU_SH5)
-extern void clear_user_page(void *to, unsigned long address, struct page *page);
-extern void copy_user_page(void *to, void *from, unsigned long address,
- struct page *page);
-
-#else
extern void copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr, struct vm_area_struct *vma);
#define __HAVE_ARCH_COPY_USER_HIGHPAGE
extern void clear_user_highpage(struct page *page, unsigned long vaddr);
#define clear_user_highpage clear_user_highpage
-#endif
-
/*
* These are used to make use of C type-checking..
*/
diff --git a/arch/sh/include/cpu-sh5/cpu/cacheflush.h b/arch/sh/include/cpu-sh5/cpu/cacheflush.h
deleted file mode 100644
index 202f637a0e17..000000000000
--- a/arch/sh/include/cpu-sh5/cpu/cacheflush.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#ifndef __ASM_SH_CPU_SH5_CACHEFLUSH_H
-#define __ASM_SH_CPU_SH5_CACHEFLUSH_H
-
-#ifndef __ASSEMBLY__
-
-extern void flush_cache_all(void);
-extern void flush_cache_mm(struct mm_struct *mm);
-extern void flush_cache_sigtramp(unsigned long vaddr);
-extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
-extern void flush_dcache_page(struct page *pg);
-extern void flush_icache_range(unsigned long start, unsigned long end);
-
-/* XXX .. */
-extern void (*__flush_wback_region)(void *start, int size);
-extern void (*__flush_purge_region)(void *start, int size);
-extern void (*__flush_invalidate_region)(void *start, int size);
-
-#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
-#define flush_icache_page(vma, page) do { } while (0)
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* __ASM_SH_CPU_SH5_CACHEFLUSH_H */
diff --git a/arch/sh/mm/Makefile_64 b/arch/sh/mm/Makefile_64
index 4d5ed245ef47..dd104c4fffa2 100644
--- a/arch/sh/mm/Makefile_64
+++ b/arch/sh/mm/Makefile_64
@@ -2,7 +2,7 @@
# Makefile for the Linux SuperH-specific parts of the memory manager.
#
-obj-y := init.o consistent.o mmap.o
+obj-y := cache.o consistent.o init.o kmap.o mmap.o
mmu-y := nommu.o extable_32.o
mmu-$(CONFIG_MMU) := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o \
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
index fa5a95a062d0..2dcc48528f7a 100644
--- a/arch/sh/mm/tlbflush_64.c
+++ b/arch/sh/mm/tlbflush_64.c
@@ -470,8 +470,3 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
{
}
-
-void __update_cache(struct vm_area_struct *vma,
- unsigned long address, pte_t pte)
-{
-}
--
GitLab
From 1ee4ab09f38b77b3a5750429d456d6606b237924 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 16 Aug 2009 00:55:38 +0900
Subject: [PATCH 180/742] sh64: Build in support for generic stacktrace ops.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/Makefile_64 | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64
index 639ee514266c..cdfec1e499a0 100644
--- a/arch/sh/kernel/Makefile_64
+++ b/arch/sh/kernel/Makefile_64
@@ -1,8 +1,9 @@
extra-y := head_64.o init_task.o vmlinux.lds
-obj-y := debugtraps.o idle.o io.o io_generic.o irq.o machvec.o process_64.o \
- ptrace_64.o setup.o signal_64.o sys_sh.o sys_sh64.o \
- syscalls_64.o time.o topology.o traps.o traps_64.o unwinder.o
+obj-y := debugtraps.o dumpstack.o idle.o io.o io_generic.o irq.o \
+ machvec.o process_64.o ptrace_64.o setup.o signal_64.o \
+ sys_sh.o sys_sh64.o syscalls_64.o time.o topology.o \
+ traps.o traps_64.o unwinder.o
obj-y += cpu/
obj-$(CONFIG_SMP) += smp.o
--
GitLab
From 94ecd224c940830e2f2724c3860eb7fb74c15d31 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 16 Aug 2009 01:50:17 +0900
Subject: [PATCH 181/742] sh: Fix up the SH-5 build with caches enabled.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/system.h | 14 +-
arch/sh/include/asm/system_32.h | 10 ++
arch/sh/include/asm/system_64.h | 5 +
arch/sh/kernel/sh_ksyms_64.c | 8 -
arch/sh/mm/cache-sh5.c | 249 +++-----------------------------
arch/sh/mm/flush-sh4.c | 81 ++++-------
6 files changed, 64 insertions(+), 303 deletions(-)
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
index ab79e1f4fbe0..bf7c4cbde372 100644
--- a/arch/sh/include/asm/system.h
+++ b/arch/sh/include/asm/system.h
@@ -14,18 +14,6 @@
#define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */
-#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
-#define __icbi() \
-{ \
- unsigned long __addr; \
- __addr = 0xa8000000; \
- __asm__ __volatile__( \
- "icbi %0\n\t" \
- : /* no output */ \
- : "m" (__m(__addr))); \
-}
-#endif
-
/*
* A brief note on ctrl_barrier(), the control register write barrier.
*
@@ -44,7 +32,7 @@
#define mb() __asm__ __volatile__ ("synco": : :"memory")
#define rmb() mb()
#define wmb() __asm__ __volatile__ ("synco": : :"memory")
-#define ctrl_barrier() __icbi()
+#define ctrl_barrier() __icbi(0xa8000000)
#define read_barrier_depends() do { } while(0)
#else
#define mb() __asm__ __volatile__ ("": : :"memory")
diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h
index d7299d69ff79..5ddd2359f3ef 100644
--- a/arch/sh/include/asm/system_32.h
+++ b/arch/sh/include/asm/system_32.h
@@ -63,6 +63,16 @@ do { \
#define __restore_dsp(tsk) do { } while (0)
#endif
+#if defined(CONFIG_CPU_SH4A)
+#define __icbi(addr) __asm__ __volatile__ ( "icbi @%0\n\t" : : "r" (addr))
+#else
+#define __icbi(addr) mb()
+#endif
+
+#define __ocbp(addr) __asm__ __volatile__ ( "ocbp @%0\n\t" : : "r" (addr))
+#define __ocbi(addr) __asm__ __volatile__ ( "ocbi @%0\n\t" : : "r" (addr))
+#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb @%0\n\t" : : "r" (addr))
+
struct task_struct *__switch_to(struct task_struct *prev,
struct task_struct *next);
diff --git a/arch/sh/include/asm/system_64.h b/arch/sh/include/asm/system_64.h
index 218b54d9d660..8e4a03e7966c 100644
--- a/arch/sh/include/asm/system_64.h
+++ b/arch/sh/include/asm/system_64.h
@@ -37,6 +37,11 @@ do { \
#define jump_to_uncached() do { } while (0)
#define back_to_cached() do { } while (0)
+#define __icbi(addr) __asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr))
+#define __ocbp(addr) __asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr))
+#define __ocbi(addr) __asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr))
+#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb %0, 0\n\t" : : "r" (addr))
+
static inline reg_size_t register_align(void *val)
{
return (unsigned long long)(signed long long)(signed long)val;
diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c
index f96c95c07c4b..d008e17eb257 100644
--- a/arch/sh/kernel/sh_ksyms_64.c
+++ b/arch/sh/kernel/sh_ksyms_64.c
@@ -30,14 +30,6 @@ extern int dump_fpu(struct pt_regs *, elf_fpregset_t *);
EXPORT_SYMBOL(dump_fpu);
EXPORT_SYMBOL(kernel_thread);
-#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU)
-EXPORT_SYMBOL(clear_user_page);
-#endif
-
-#ifndef CONFIG_CACHE_OFF
-EXPORT_SYMBOL(flush_dcache_page);
-#endif
-
#ifdef CONFIG_VT
EXPORT_SYMBOL(screen_info);
#endif
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index a8f5142dc2cf..819e0f9e8dba 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -25,29 +25,6 @@ extern void __weak sh4__flush_region_init(void);
/* Wired TLB entry for the D-cache */
static unsigned long long dtlb_cache_slot;
-void __init cpu_cache_init(void)
-{
- /* Reserve a slot for dcache colouring in the DTLB */
- dtlb_cache_slot = sh64_get_wired_dtlb_entry();
-
- sh4__flush_region_init();
-}
-
-void __init kmap_coherent_init(void)
-{
- /* XXX ... */
-}
-
-void *kmap_coherent(struct page *page, unsigned long addr)
-{
- /* XXX ... */
- return NULL;
-}
-
-void kunmap_coherent(void)
-{
-}
-
#ifdef CONFIG_DCACHE_DISABLED
#define sh64_dcache_purge_all() do { } while (0)
#define sh64_dcache_purge_coloured_phy_page(paddr, eaddr) do { } while (0)
@@ -233,52 +210,6 @@ static void sh64_icache_inv_user_page_range(struct mm_struct *mm,
}
}
-/*
- * Invalidate a small range of user context I-cache, not necessarily page
- * (or even cache-line) aligned.
- *
- * Since this is used inside ptrace, the ASID in the mm context typically
- * won't match current_asid. We'll have to switch ASID to do this. For
- * safety, and given that the range will be small, do all this under cli.
- *
- * Note, there is a hazard that the ASID in mm->context is no longer
- * actually associated with mm, i.e. if the mm->context has started a new
- * cycle since mm was last active. However, this is just a performance
- * issue: all that happens is that we invalidate lines belonging to
- * another mm, so the owning process has to refill them when that mm goes
- * live again. mm itself can't have any cache entries because there will
- * have been a flush_cache_all when the new mm->context cycle started.
- */
-static void sh64_icache_inv_user_small_range(struct mm_struct *mm,
- unsigned long start, int len)
-{
- unsigned long long eaddr = start;
- unsigned long long eaddr_end = start + len;
- unsigned long current_asid, mm_asid;
- unsigned long flags;
- unsigned long long epage_start;
-
- /*
- * Align to start of cache line. Otherwise, suppose len==8 and
- * start was at 32N+28 : the last 4 bytes wouldn't get invalidated.
- */
- eaddr = L1_CACHE_ALIGN(start);
- eaddr_end = start + len;
-
- mm_asid = cpu_asid(smp_processor_id(), mm);
- local_irq_save(flags);
- current_asid = switch_and_save_asid(mm_asid);
-
- epage_start = eaddr & PAGE_MASK;
-
- while (eaddr < eaddr_end) {
- __asm__ __volatile__("icbi %0, 0" : : "r" (eaddr));
- eaddr += L1_CACHE_BYTES;
- }
- switch_and_save_asid(current_asid);
- local_irq_restore(flags);
-}
-
static void sh64_icache_inv_current_user_range(unsigned long start, unsigned long end)
{
/* The icbi instruction never raises ITLBMISS. i.e. if there's not a
@@ -564,7 +495,7 @@ static void sh64_dcache_purge_user_range(struct mm_struct *mm,
* Invalidate the entire contents of both caches, after writing back to
* memory any dirty data from the D-cache.
*/
-void flush_cache_all(void)
+static void sh5_flush_cache_all(void)
{
sh64_dcache_purge_all();
sh64_icache_inv_all();
@@ -591,7 +522,7 @@ void flush_cache_all(void)
* I-cache. This is similar to the lack of action needed in
* flush_tlb_mm - see fault.c.
*/
-void flush_cache_mm(struct mm_struct *mm)
+static void sh5_flush_cache_mm(struct mm_struct *mm)
{
sh64_dcache_purge_all();
}
@@ -603,8 +534,8 @@ void flush_cache_mm(struct mm_struct *mm)
*
* Note, 'end' is 1 byte beyond the end of the range to flush.
*/
-void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end)
+static void sh5_flush_cache_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end)
{
struct mm_struct *mm = vma->vm_mm;
@@ -621,8 +552,8 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
*
* Note, this is called with pte lock held.
*/
-void flush_cache_page(struct vm_area_struct *vma, unsigned long eaddr,
- unsigned long pfn)
+static void sh5_flush_cache_page(struct vm_area_struct *vma,
+ unsigned long eaddr, unsigned long pfn)
{
sh64_dcache_purge_phy_page(pfn << PAGE_SHIFT);
@@ -630,7 +561,7 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long eaddr,
sh64_icache_inv_user_page(vma, eaddr);
}
-void flush_dcache_page(struct page *page)
+static void sh5_flush_dcache_page(struct page *page)
{
sh64_dcache_purge_phy_page(page_to_phys(page));
wmb();
@@ -644,39 +575,20 @@ void flush_dcache_page(struct page *page)
* mapping, therefore it's guaranteed that there no cache entries for
* the range in cache sets of the wrong colour.
*/
-void flush_icache_range(unsigned long start, unsigned long end)
+static void sh5_flush_icache_range(unsigned long start, unsigned long end)
{
__flush_purge_region((void *)start, end);
wmb();
sh64_icache_inv_kernel_range(start, end);
}
-/*
- * Flush the range of user (defined by vma->vm_mm) address space starting
- * at 'addr' for 'len' bytes from the cache. The range does not straddle
- * a page boundary, the unique physical page containing the range is
- * 'page'. This seems to be used mainly for invalidating an address
- * range following a poke into the program text through the ptrace() call
- * from another process (e.g. for BRK instruction insertion).
- */
-static void flush_icache_user_range(struct vm_area_struct *vma,
- struct page *page, unsigned long addr, int len)
-{
-
- sh64_dcache_purge_coloured_phy_page(page_to_phys(page), addr);
- mb();
-
- if (vma->vm_flags & VM_EXEC)
- sh64_icache_inv_user_small_range(vma->vm_mm, addr, len);
-}
-
/*
* For the address range [start,end), write back the data from the
* D-cache and invalidate the corresponding region of the I-cache for the
* current process. Used to flush signal trampolines on the stack to
* make them executable.
*/
-void flush_cache_sigtramp(unsigned long vaddr)
+static void sh5_flush_cache_sigtramp(unsigned long vaddr)
{
unsigned long end = vaddr + L1_CACHE_BYTES;
@@ -685,138 +597,19 @@ void flush_cache_sigtramp(unsigned long vaddr)
sh64_icache_inv_current_user_range(vaddr, end);
}
-#ifdef CONFIG_MMU
-/*
- * These *MUST* lie in an area of virtual address space that's otherwise
- * unused.
- */
-#define UNIQUE_EADDR_START 0xe0000000UL
-#define UNIQUE_EADDR_END 0xe8000000UL
-
-/*
- * Given a physical address paddr, and a user virtual address user_eaddr
- * which will eventually be mapped to it, create a one-off kernel-private
- * eaddr mapped to the same paddr. This is used for creating special
- * destination pages for copy_user_page and clear_user_page.
- */
-static unsigned long sh64_make_unique_eaddr(unsigned long user_eaddr,
- unsigned long paddr)
-{
- static unsigned long current_pointer = UNIQUE_EADDR_START;
- unsigned long coloured_pointer;
-
- if (current_pointer == UNIQUE_EADDR_END) {
- sh64_dcache_purge_all();
- current_pointer = UNIQUE_EADDR_START;
- }
-
- coloured_pointer = (current_pointer & ~CACHE_OC_SYN_MASK) |
- (user_eaddr & CACHE_OC_SYN_MASK);
- sh64_setup_dtlb_cache_slot(coloured_pointer, get_asid(), paddr);
-
- current_pointer += (PAGE_SIZE << CACHE_OC_N_SYNBITS);
-
- return coloured_pointer;
-}
-
-static void sh64_copy_user_page_coloured(void *to, void *from,
- unsigned long address)
-{
- void *coloured_to;
-
- /*
- * Discard any existing cache entries of the wrong colour. These are
- * present quite often, if the kernel has recently used the page
- * internally, then given it up, then it's been allocated to the user.
- */
- sh64_dcache_purge_coloured_phy_page(__pa(to), (unsigned long)to);
-
- coloured_to = (void *)sh64_make_unique_eaddr(address, __pa(to));
- copy_page(from, coloured_to);
-
- sh64_teardown_dtlb_cache_slot();
-}
-
-static void sh64_clear_user_page_coloured(void *to, unsigned long address)
-{
- void *coloured_to;
-
- /*
- * Discard any existing kernel-originated lines of the wrong
- * colour (as above)
- */
- sh64_dcache_purge_coloured_phy_page(__pa(to), (unsigned long)to);
-
- coloured_to = (void *)sh64_make_unique_eaddr(address, __pa(to));
- clear_page(coloured_to);
-
- sh64_teardown_dtlb_cache_slot();
-}
-
-/*
- * 'from' and 'to' are kernel virtual addresses (within the superpage
- * mapping of the physical RAM). 'address' is the user virtual address
- * where the copy 'to' will be mapped after. This allows a custom
- * mapping to be used to ensure that the new copy is placed in the
- * right cache sets for the user to see it without having to bounce it
- * out via memory. Note however : the call to flush_page_to_ram in
- * (generic)/mm/memory.c:(break_cow) undoes all this good work in that one
- * very important case!
- *
- * TBD : can we guarantee that on every call, any cache entries for
- * 'from' are in the same colour sets as 'address' also? i.e. is this
- * always used just to deal with COW? (I suspect not).
- *
- * There are two possibilities here for when the page 'from' was last accessed:
- * - by the kernel : this is OK, no purge required.
- * - by the/a user (e.g. for break_COW) : need to purge.
- *
- * If the potential user mapping at 'address' is the same colour as
- * 'from' there is no need to purge any cache lines from the 'from'
- * page mapped into cache sets of colour 'address'. (The copy will be
- * accessing the page through 'from').
- */
-void copy_user_page(void *to, void *from, unsigned long address,
- struct page *page)
+void __init sh5_cache_init(void)
{
- if (((address ^ (unsigned long) from) & CACHE_OC_SYN_MASK) != 0)
- sh64_dcache_purge_coloured_phy_page(__pa(from), address);
+ flush_cache_all = sh5_flush_cache_all;
+ flush_cache_mm = sh5_flush_cache_mm;
+ flush_cache_dup_mm = sh5_flush_cache_mm;
+ flush_cache_page = sh5_flush_cache_page;
+ flush_cache_range = sh5_flush_cache_range;
+ flush_dcache_page = sh5_flush_dcache_page;
+ flush_icache_range = sh5_flush_icache_range;
+ flush_cache_sigtramp = sh5_flush_cache_sigtramp;
- if (((address ^ (unsigned long) to) & CACHE_OC_SYN_MASK) == 0)
- copy_page(to, from);
- else
- sh64_copy_user_page_coloured(to, from, address);
-}
-
-/*
- * 'to' is a kernel virtual address (within the superpage mapping of the
- * physical RAM). 'address' is the user virtual address where the 'to'
- * page will be mapped after. This allows a custom mapping to be used to
- * ensure that the new copy is placed in the right cache sets for the
- * user to see it without having to bounce it out via memory.
- */
-void clear_user_page(void *to, unsigned long address, struct page *page)
-{
- if (((address ^ (unsigned long) to) & CACHE_OC_SYN_MASK) == 0)
- clear_page(to);
- else
- sh64_clear_user_page_coloured(to, address);
-}
-
-void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
- unsigned long vaddr, void *dst, const void *src,
- unsigned long len)
-{
- flush_cache_page(vma, vaddr, page_to_pfn(page));
- memcpy(dst, src, len);
- flush_icache_user_range(vma, page, vaddr, len);
-}
+ /* Reserve a slot for dcache colouring in the DTLB */
+ dtlb_cache_slot = sh64_get_wired_dtlb_entry();
-void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
- unsigned long vaddr, void *dst, const void *src,
- unsigned long len)
-{
- flush_cache_page(vma, vaddr, page_to_pfn(page));
- memcpy(dst, src, len);
+ sh4__flush_region_init();
}
-#endif
diff --git a/arch/sh/mm/flush-sh4.c b/arch/sh/mm/flush-sh4.c
index 99c50dc7551e..cef402678f42 100644
--- a/arch/sh/mm/flush-sh4.c
+++ b/arch/sh/mm/flush-sh4.c
@@ -19,28 +19,19 @@ static void sh4__flush_wback_region(void *start, int size)
cnt = (end - v) / L1_CACHE_BYTES;
while (cnt >= 8) {
- asm volatile("ocbwb @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbwb @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbwb @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbwb @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbwb @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbwb @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbwb @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbwb @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
+ __ocbwb(v); v += L1_CACHE_BYTES;
+ __ocbwb(v); v += L1_CACHE_BYTES;
+ __ocbwb(v); v += L1_CACHE_BYTES;
+ __ocbwb(v); v += L1_CACHE_BYTES;
+ __ocbwb(v); v += L1_CACHE_BYTES;
+ __ocbwb(v); v += L1_CACHE_BYTES;
+ __ocbwb(v); v += L1_CACHE_BYTES;
+ __ocbwb(v); v += L1_CACHE_BYTES;
cnt -= 8;
}
while (cnt) {
- asm volatile("ocbwb @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
+ __ocbwb(v); v += L1_CACHE_BYTES;
cnt--;
}
}
@@ -62,27 +53,18 @@ static void sh4__flush_purge_region(void *start, int size)
cnt = (end - v) / L1_CACHE_BYTES;
while (cnt >= 8) {
- asm volatile("ocbp @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbp @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbp @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbp @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbp @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbp @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbp @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbp @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
+ __ocbp(v); v += L1_CACHE_BYTES;
+ __ocbp(v); v += L1_CACHE_BYTES;
+ __ocbp(v); v += L1_CACHE_BYTES;
+ __ocbp(v); v += L1_CACHE_BYTES;
+ __ocbp(v); v += L1_CACHE_BYTES;
+ __ocbp(v); v += L1_CACHE_BYTES;
+ __ocbp(v); v += L1_CACHE_BYTES;
+ __ocbp(v); v += L1_CACHE_BYTES;
cnt -= 8;
}
while (cnt) {
- asm volatile("ocbp @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
+ __ocbp(v); v += L1_CACHE_BYTES;
cnt--;
}
}
@@ -101,28 +83,19 @@ static void sh4__flush_invalidate_region(void *start, int size)
cnt = (end - v) / L1_CACHE_BYTES;
while (cnt >= 8) {
- asm volatile("ocbi @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbi @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbi @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbi @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbi @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbi @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbi @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
- asm volatile("ocbi @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
+ __ocbi(v); v += L1_CACHE_BYTES;
+ __ocbi(v); v += L1_CACHE_BYTES;
+ __ocbi(v); v += L1_CACHE_BYTES;
+ __ocbi(v); v += L1_CACHE_BYTES;
+ __ocbi(v); v += L1_CACHE_BYTES;
+ __ocbi(v); v += L1_CACHE_BYTES;
+ __ocbi(v); v += L1_CACHE_BYTES;
+ __ocbi(v); v += L1_CACHE_BYTES;
cnt -= 8;
}
while (cnt) {
- asm volatile("ocbi @%0" : : "r" (v));
- v += L1_CACHE_BYTES;
+ __ocbi(v); v += L1_CACHE_BYTES;
cnt--;
}
}
--
GitLab
From 8c41cdcaffb09dca8e6ad7d4d8f885e0b86b9002 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 16 Aug 2009 02:15:50 +0900
Subject: [PATCH 182/742] sh64: Kill off dead i/d-cache disabled bits.
These will be handled through the shared cache interface instead, and
they are presently undefined anyways.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh5.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index 819e0f9e8dba..d4a445c865d7 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -25,14 +25,6 @@ extern void __weak sh4__flush_region_init(void);
/* Wired TLB entry for the D-cache */
static unsigned long long dtlb_cache_slot;
-#ifdef CONFIG_DCACHE_DISABLED
-#define sh64_dcache_purge_all() do { } while (0)
-#define sh64_dcache_purge_coloured_phy_page(paddr, eaddr) do { } while (0)
-#define sh64_dcache_purge_user_range(mm, start, end) do { } while (0)
-#define sh64_dcache_purge_phy_page(paddr) do { } while (0)
-#define sh64_dcache_purge_virt_page(mm, eaddr) do { } while (0)
-#endif
-
/*
* The following group of functions deal with mapping and unmapping a
* temporary page into a DTLB slot that has been set aside for exclusive
@@ -52,7 +44,6 @@ static inline void sh64_teardown_dtlb_cache_slot(void)
local_irq_enable();
}
-#ifndef CONFIG_ICACHE_DISABLED
static inline void sh64_icache_inv_all(void)
{
unsigned long long addr, flag, data;
@@ -237,9 +228,7 @@ static void sh64_icache_inv_current_user_range(unsigned long start, unsigned lon
addr += L1_CACHE_BYTES;
}
}
-#endif /* !CONFIG_ICACHE_DISABLED */
-#ifndef CONFIG_DCACHE_DISABLED
/* Buffer used as the target of alloco instructions to purge data from cache
sets by natural eviction. -- RPC */
#define DUMMY_ALLOCO_AREA_SIZE ((L1_CACHE_BYTES << 10) + (1024 * 4))
@@ -489,7 +478,6 @@ static void sh64_dcache_purge_user_range(struct mm_struct *mm,
sh64_dcache_purge_user_pages(mm, start, end);
}
}
-#endif /* !CONFIG_DCACHE_DISABLED */
/*
* Invalidate the entire contents of both caches, after writing back to
--
GitLab
From 2b4315185a06414c4ab40fb0db50dce1b534a1d9 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 16 Aug 2009 02:16:44 +0900
Subject: [PATCH 183/742] sh: Wire up sh5_cache_init().
Now that the SH-5 code is more or less behaving with the new cacheflush
interface, wire up the initialization code.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 8618ccdc1ca5..d60239460436 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -277,5 +277,11 @@ void __init cpu_cache_init(void)
sh4_cache_init();
}
+ if (boot_cpu_data.family == CPU_FAMILY_SH5) {
+ extern void __weak sh5_cache_init(void);
+
+ sh5_cache_init();
+ }
+
emit_cache_params();
}
--
GitLab
From 38f9ddf44150c1a213b41726384d055f7c35ec4f Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 16 Aug 2009 03:35:26 +0900
Subject: [PATCH 184/742] sh: Merge the _32/_64 variants of
arch/sh/kernel/Makefile.
This uses the BITS export as per x86 in order to allow the same Makefile
to be used.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/Makefile | 43 ++++++++++++++++++++++++++++++++++----
arch/sh/kernel/Makefile_32 | 40 -----------------------------------
arch/sh/kernel/Makefile_64 | 20 ------------------
3 files changed, 39 insertions(+), 64 deletions(-)
delete mode 100644 arch/sh/kernel/Makefile_32
delete mode 100644 arch/sh/kernel/Makefile_64
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index 349d833deab5..f37cf02ad9be 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -1,5 +1,40 @@
-ifeq ($(CONFIG_SUPERH32),y)
-include ${srctree}/arch/sh/kernel/Makefile_32
-else
-include ${srctree}/arch/sh/kernel/Makefile_64
+#
+# Makefile for the Linux/SuperH kernel.
+#
+
+extra-y := head_$(BITS).o init_task.o vmlinux.lds
+
+ifdef CONFIG_FUNCTION_TRACER
+# Do not profile debug and lowlevel utilities
+CFLAGS_REMOVE_ftrace.o = -pg
endif
+
+obj-y := debugtraps.o dumpstack.o idle.o io.o io_generic.o irq.o \
+ machvec.o process_$(BITS).o ptrace_$(BITS).o setup.o \
+ signal_$(BITS).o sys_sh.o sys_sh$(BITS).o syscalls_$(BITS).o \
+ time.o topology.o traps.o traps_$(BITS).o unwinder.o
+
+obj-y += cpu/
+obj-$(CONFIG_VSYSCALL) += vsyscall/
+obj-$(CONFIG_SMP) += smp.o
+obj-$(CONFIG_SH_STANDARD_BIOS) += sh_bios.o
+obj-$(CONFIG_KGDB) += kgdb.o
+obj-$(CONFIG_SH_CPU_FREQ) += cpufreq.o
+obj-$(CONFIG_MODULES) += sh_ksyms_$(BITS).o module.o
+obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
+obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
+obj-$(CONFIG_STACKTRACE) += stacktrace.o
+obj-$(CONFIG_IO_TRAPPED) += io_trapped.o
+obj-$(CONFIG_KPROBES) += kprobes.o
+obj-$(CONFIG_GENERIC_GPIO) += gpio.o
+obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
+obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
+obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
+obj-$(CONFIG_DUMP_CODE) += disassemble.o
+obj-$(CONFIG_HIBERNATION) += swsusp.o
+obj-$(CONFIG_DWARF_UNWINDER) += dwarf.o
+
+obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) += localtimer.o
+
+EXTRA_CFLAGS += -Werror
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
deleted file mode 100644
index f2245ebf0b31..000000000000
--- a/arch/sh/kernel/Makefile_32
+++ /dev/null
@@ -1,40 +0,0 @@
-#
-# Makefile for the Linux/SuperH kernel.
-#
-
-extra-y := head_32.o init_task.o vmlinux.lds
-
-ifdef CONFIG_FUNCTION_TRACER
-# Do not profile debug and lowlevel utilities
-CFLAGS_REMOVE_ftrace.o = -pg
-endif
-
-obj-y := debugtraps.o dumpstack.o idle.o io.o io_generic.o irq.o \
- machvec.o process_32.o ptrace_32.o setup.o signal_32.o \
- sys_sh.o sys_sh32.o syscalls_32.o time.o topology.o \
- traps.o traps_32.o unwinder.o
-
-obj-y += cpu/
-obj-$(CONFIG_VSYSCALL) += vsyscall/
-obj-$(CONFIG_SMP) += smp.o
-obj-$(CONFIG_SH_STANDARD_BIOS) += sh_bios.o
-obj-$(CONFIG_KGDB) += kgdb.o
-obj-$(CONFIG_SH_CPU_FREQ) += cpufreq.o
-obj-$(CONFIG_MODULES) += sh_ksyms_32.o module.o
-obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
-obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
-obj-$(CONFIG_STACKTRACE) += stacktrace.o
-obj-$(CONFIG_IO_TRAPPED) += io_trapped.o
-obj-$(CONFIG_KPROBES) += kprobes.o
-obj-$(CONFIG_GENERIC_GPIO) += gpio.o
-obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
-obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
-obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
-obj-$(CONFIG_DUMP_CODE) += disassemble.o
-obj-$(CONFIG_HIBERNATION) += swsusp.o
-obj-$(CONFIG_DWARF_UNWINDER) += dwarf.o
-
-obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) += localtimer.o
-
-EXTRA_CFLAGS += -Werror
diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64
deleted file mode 100644
index 639ee514266c..000000000000
--- a/arch/sh/kernel/Makefile_64
+++ /dev/null
@@ -1,20 +0,0 @@
-extra-y := head_64.o init_task.o vmlinux.lds
-
-obj-y := debugtraps.o idle.o io.o io_generic.o irq.o machvec.o process_64.o \
- ptrace_64.o setup.o signal_64.o sys_sh.o sys_sh64.o \
- syscalls_64.o time.o topology.o traps.o traps_64.o unwinder.o
-
-obj-y += cpu/
-obj-$(CONFIG_SMP) += smp.o
-obj-$(CONFIG_SH_CPU_FREQ) += cpufreq.o
-obj-$(CONFIG_MODULES) += sh_ksyms_64.o module.o
-obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
-obj-$(CONFIG_STACKTRACE) += stacktrace.o
-obj-$(CONFIG_IO_TRAPPED) += io_trapped.o
-obj-$(CONFIG_GENERIC_GPIO) += gpio.o
-obj-$(CONFIG_DWARF_UNWINDER) += dwarf.o
-
-obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) += localtimer.o
-
-EXTRA_CFLAGS += -Werror
--
GitLab
From 1b3edd9745ef3a9ee831fe5a611757686579c9e1 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 16 Aug 2009 03:49:21 +0900
Subject: [PATCH 185/742] sh: Merge the _32/_64 variants of
arch/sh/mm/Makefile.
Now that there is sufficient shared infrastructure, merge the Makefiles.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/Makefile | 70 +++++++++++++++++++++++++++++++++++++++---
arch/sh/mm/Makefile_32 | 39 -----------------------
arch/sh/mm/Makefile_64 | 46 ---------------------------
3 files changed, 66 insertions(+), 89 deletions(-)
delete mode 100644 arch/sh/mm/Makefile_32
delete mode 100644 arch/sh/mm/Makefile_64
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index 9f4bc3d90b1e..4ca71e9e09eb 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -1,5 +1,67 @@
-ifeq ($(CONFIG_SUPERH32),y)
-include ${srctree}/arch/sh/mm/Makefile_32
-else
-include ${srctree}/arch/sh/mm/Makefile_64
+#
+# Makefile for the Linux SuperH-specific parts of the memory manager.
+#
+
+obj-y := cache.o init.o consistent.o mmap.o
+
+ifndef CONFIG_CACHE_OFF
+cacheops-$(CONFIG_CPU_SH2) := cache-sh2.o
+cacheops-$(CONFIG_CPU_SH2A) := cache-sh2a.o
+cacheops-$(CONFIG_CPU_SH3) := cache-sh3.o
+cacheops-$(CONFIG_CPU_SH4) := cache-sh4.o flush-sh4.o
+cacheops-$(CONFIG_CPU_SH5) := cache-sh5.o flush-sh4.o
+cacheops-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
endif
+
+obj-y += $(cacheops-y)
+
+mmu-y := nommu.o extable_32.o
+mmu-$(CONFIG_MMU) := extable_$(BITS).o fault_$(BITS).o \
+ ioremap_$(BITS).o kmap.o tlbflush_$(BITS).o
+
+obj-y += $(mmu-y)
+obj-$(CONFIG_DEBUG_FS) += asids-debugfs.o
+
+ifdef CONFIG_DEBUG_FS
+obj-$(CONFIG_CPU_SH4) += cache-debugfs.o
+endif
+
+ifdef CONFIG_MMU
+tlb-$(CONFIG_CPU_SH3) := tlb-sh3.o
+tlb-$(CONFIG_CPU_SH4) := tlb-sh4.o
+tlb-$(CONFIG_CPU_SH5) := tlb-sh5.o
+tlb-$(CONFIG_CPU_HAS_PTEAEX) := tlb-pteaex.o
+obj-y += $(tlb-y)
+endif
+
+obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
+obj-$(CONFIG_PMB) += pmb.o
+obj-$(CONFIG_PMB_FIXED) += pmb-fixed.o
+obj-$(CONFIG_NUMA) += numa.o
+
+# Special flags for fault_64.o. This puts restrictions on the number of
+# caller-save registers that the compiler can target when building this file.
+# This is required because the code is called from a context in entry.S where
+# very few registers have been saved in the exception handler (for speed
+# reasons).
+# The caller save registers that have been saved and which can be used are
+# r2,r3,r4,r5 : argument passing
+# r15, r18 : SP and LINK
+# tr0-4 : allow all caller-save TR's. The compiler seems to be able to make
+# use of them, so it's probably beneficial to performance to save them
+# and have them available for it.
+#
+# The resources not listed below are callee save, i.e. the compiler is free to
+# use any of them and will spill them to the stack itself.
+
+CFLAGS_fault_64.o += -ffixed-r7 \
+ -ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 \
+ -ffixed-r13 -ffixed-r14 -ffixed-r16 -ffixed-r17 -ffixed-r19 \
+ -ffixed-r20 -ffixed-r21 -ffixed-r22 -ffixed-r23 \
+ -ffixed-r24 -ffixed-r25 -ffixed-r26 -ffixed-r27 \
+ -ffixed-r36 -ffixed-r37 -ffixed-r38 -ffixed-r39 -ffixed-r40 \
+ -ffixed-r41 -ffixed-r42 -ffixed-r43 \
+ -ffixed-r60 -ffixed-r61 -ffixed-r62 \
+ -fomit-frame-pointer
+
+EXTRA_CFLAGS += -Werror
diff --git a/arch/sh/mm/Makefile_32 b/arch/sh/mm/Makefile_32
deleted file mode 100644
index ff3b07bd772d..000000000000
--- a/arch/sh/mm/Makefile_32
+++ /dev/null
@@ -1,39 +0,0 @@
-#
-# Makefile for the Linux SuperH-specific parts of the memory manager.
-#
-
-obj-y := cache.o init.o extable_32.o consistent.o mmap.o
-
-ifndef CONFIG_CACHE_OFF
-cacheops-$(CONFIG_CPU_SH2) := cache-sh2.o
-cacheops-$(CONFIG_CPU_SH2A) := cache-sh2a.o
-cacheops-$(CONFIG_CPU_SH3) := cache-sh3.o
-cacheops-$(CONFIG_CPU_SH4) := cache-sh4.o flush-sh4.o
-cacheops-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
-endif
-
-obj-y += $(cacheops-y)
-
-mmu-y := nommu.o
-mmu-$(CONFIG_MMU) := fault_32.o kmap.o tlbflush_32.o ioremap_32.o
-
-obj-y += $(mmu-y)
-obj-$(CONFIG_DEBUG_FS) += asids-debugfs.o
-
-ifdef CONFIG_DEBUG_FS
-obj-$(CONFIG_CPU_SH4) += cache-debugfs.o
-endif
-
-ifdef CONFIG_MMU
-tlb-$(CONFIG_CPU_SH3) := tlb-sh3.o
-tlb-$(CONFIG_CPU_SH4) := tlb-sh4.o
-tlb-$(CONFIG_CPU_HAS_PTEAEX) := tlb-pteaex.o
-obj-y += $(tlb-y)
-endif
-
-obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
-obj-$(CONFIG_PMB) += pmb.o
-obj-$(CONFIG_PMB_FIXED) += pmb-fixed.o
-obj-$(CONFIG_NUMA) += numa.o
-
-EXTRA_CFLAGS += -Werror
diff --git a/arch/sh/mm/Makefile_64 b/arch/sh/mm/Makefile_64
deleted file mode 100644
index dd104c4fffa2..000000000000
--- a/arch/sh/mm/Makefile_64
+++ /dev/null
@@ -1,46 +0,0 @@
-#
-# Makefile for the Linux SuperH-specific parts of the memory manager.
-#
-
-obj-y := cache.o consistent.o init.o kmap.o mmap.o
-
-mmu-y := nommu.o extable_32.o
-mmu-$(CONFIG_MMU) := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o \
- extable_64.o
-
-ifndef CONFIG_CACHE_OFF
-obj-y += cache-sh5.o flush-sh4.o
-endif
-
-obj-y += $(mmu-y)
-obj-$(CONFIG_DEBUG_FS) += asids-debugfs.o
-
-obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
-obj-$(CONFIG_NUMA) += numa.o
-
-EXTRA_CFLAGS += -Werror
-
-# Special flags for fault_64.o. This puts restrictions on the number of
-# caller-save registers that the compiler can target when building this file.
-# This is required because the code is called from a context in entry.S where
-# very few registers have been saved in the exception handler (for speed
-# reasons).
-# The caller save registers that have been saved and which can be used are
-# r2,r3,r4,r5 : argument passing
-# r15, r18 : SP and LINK
-# tr0-4 : allow all caller-save TR's. The compiler seems to be able to make
-# use of them, so it's probably beneficial to performance to save them
-# and have them available for it.
-#
-# The resources not listed below are callee save, i.e. the compiler is free to
-# use any of them and will spill them to the stack itself.
-
-CFLAGS_fault_64.o += -ffixed-r7 \
- -ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 \
- -ffixed-r13 -ffixed-r14 -ffixed-r16 -ffixed-r17 -ffixed-r19 \
- -ffixed-r20 -ffixed-r21 -ffixed-r22 -ffixed-r23 \
- -ffixed-r24 -ffixed-r25 -ffixed-r26 -ffixed-r27 \
- -ffixed-r36 -ffixed-r37 -ffixed-r38 -ffixed-r39 -ffixed-r40 \
- -ffixed-r41 -ffixed-r42 -ffixed-r43 \
- -ffixed-r60 -ffixed-r61 -ffixed-r62 \
- -fomit-frame-pointer
--
GitLab
From b955873bf530ee4b80e6c8b734521ad07cbaed7e Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sat, 15 Aug 2009 23:10:57 +0100
Subject: [PATCH 186/742] sh: Try again at getting the initial return address
for an unwind
The previous hack for calculating the return address for the first frame
we unwind (dwarf_unwinder_dump) didn't always work. The problem was that
it assumed once it read the rule for calculating the return address,
there would be no new rules for calculating it. This isn't true because
the way in which the CFA is calculated can change as you progress
through a function and the return address is figured out using the
CFA. Therefore, the way to calculate the return address can change.
So, instead of using some offset from the beginning of
dwarf_unwind_stack which is just a flakey approach, and instead of
executing instructions from the FDE until the return address is setup,
we now figure out the pc in dwarf_unwind_stack() just before we call
dwarf_cfa_execute_insns().
Signed-off-by: Matt Fleming <matt@console-pimps.org>
---
arch/sh/kernel/dwarf.c | 41 ++++++-----------------------------------
1 file changed, 6 insertions(+), 35 deletions(-)
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index c6c5764a8ab1..44e674ed2871 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -330,7 +330,6 @@ struct dwarf_fde *dwarf_lookup_fde(unsigned long pc)
* @fde: the FDE for this function
* @frame: the instructions calculate the CFA for this frame
* @pc: the program counter of the address we're interested in
- * @define_ra: keep executing insns until the return addr reg is defined?
*
* Execute the Call Frame instruction sequence starting at
* @insn_start and ending at @insn_end. The instructions describe
@@ -342,36 +341,17 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
struct dwarf_cie *cie,
struct dwarf_fde *fde,
struct dwarf_frame *frame,
- unsigned long pc,
- bool define_ra)
+ unsigned long pc)
{
unsigned char insn;
unsigned char *current_insn;
unsigned int count, delta, reg, expr_len, offset;
- bool seen_ra_reg;
current_insn = insn_start;
- /*
- * If we're executing instructions for the dwarf_unwind_stack()
- * FDE we need to keep executing instructions until the value of
- * DWARF_ARCH_RA_REG is defined. See the comment in
- * dwarf_unwind_stack() for more details.
- */
- if (define_ra)
- seen_ra_reg = false;
- else
- seen_ra_reg = true;
-
- while (current_insn < insn_end && (frame->pc <= pc || !seen_ra_reg) ) {
+ while (current_insn < insn_end && frame->pc <= pc) {
insn = __raw_readb(current_insn++);
- if (!seen_ra_reg) {
- if (frame->num_regs >= DWARF_ARCH_RA_REG &&
- frame->regs[DWARF_ARCH_RA_REG].flags)
- seen_ra_reg = true;
- }
-
/*
* Firstly, handle the opcodes that embed their operands
* in the instructions.
@@ -511,26 +491,17 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
struct dwarf_fde *fde;
unsigned long addr;
int i, offset;
- bool define_ra = false;
/*
* If this is the first invocation of this recursive function we
* need get the contents of a physical register to get the CFA
* in order to begin the virtual unwinding of the stack.
*
- * Setting "define_ra" to true indictates that we want
- * dwarf_cfa_execute_insns() to continue executing instructions
- * until we know how to calculate the value of DWARF_ARCH_RA_REG
- * (which we need in order to kick off the whole unwinding
- * process).
- *
* NOTE: the return address is guaranteed to be setup by the
* time this function makes its first function call.
*/
- if (!pc && !prev) {
- pc = (unsigned long)&dwarf_unwind_stack;
- define_ra = true;
- }
+ if (!pc && !prev)
+ pc = (unsigned long)current_text_addr();
frame = kzalloc(sizeof(*frame), GFP_ATOMIC);
if (!frame)
@@ -566,11 +537,11 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
/* CIE initial instructions */
dwarf_cfa_execute_insns(cie->initial_instructions,
cie->instructions_end, cie, fde,
- frame, pc, false);
+ frame, pc);
/* FDE instructions */
dwarf_cfa_execute_insns(fde->instructions, fde->end, cie,
- fde, frame, pc, define_ra);
+ fde, frame, pc);
/* Calculate the CFA */
switch (frame->flags) {
--
GitLab
From cd7246f0e2747bd2b43d25d0f63f05db182a62c0 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sun, 16 Aug 2009 01:44:33 +0100
Subject: [PATCH 187/742] sh: Add support for DWARF GNU extensions
Also, remove the "fix" to DW_CFA_def_cfa_register where we reset the
frame's cfa_offset to 0. This action is incorrect when handling
DW_CFA_def_cfa_register as the DWARF spec specifically states that the
previous contents of cfa_offset should be used with the new
register. The reason that I thought cfa_offset should be reset to 0 was
because it was being assigned a bogus value prior to executing the
DW_CFA_def_cfa_register op. It turns out that the bogus cfa_offset value
came from interpreting .cfi_escape pseudo-ops (those used by the GNU
extensions) as CFA_DW_def_cfa ops.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
---
arch/sh/include/asm/dwarf.h | 4 ++++
arch/sh/kernel/dwarf.c | 14 +++++++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h
index 60b180728d8d..d3d3837c5e1b 100644
--- a/arch/sh/include/asm/dwarf.h
+++ b/arch/sh/include/asm/dwarf.h
@@ -340,6 +340,10 @@ struct dwarf_stack {
#define DW_CFA_lo_user 0x1c
#define DW_CFA_hi_user 0x3f
+/* GNU extension opcodes */
+#define DW_CFA_GNU_args_size 0x2e
+#define DW_CFA_GNU_negative_offset_extended 0x2f
+
/*
* Some call frame instructions encode their operands in the opcode. We
* need some helper functions to extract both the opcode and operands
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 44e674ed2871..5fd6e604816d 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -429,7 +429,6 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
count = dwarf_read_uleb128(current_insn,
&frame->cfa_register);
current_insn += count;
- frame->cfa_offset = 0;
frame->flags |= DWARF_FRAME_CFA_REG_OFFSET;
break;
case DW_CFA_def_cfa_offset:
@@ -465,6 +464,19 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
frame->regs[reg].flags |= DWARF_REG_OFFSET;
frame->regs[reg].addr = offset;
break;
+ case DW_CFA_GNU_args_size:
+ count = dwarf_read_uleb128(current_insn, &offset);
+ current_insn += count;
+ break;
+ case DW_CFA_GNU_negative_offset_extended:
+ count = dwarf_read_uleb128(current_insn, ®);
+ current_insn += count;
+ count = dwarf_read_uleb128(current_insn, &offset);
+ offset *= cie->data_alignment_factor;
+ dwarf_frame_alloc_regs(frame, reg);
+ frame->regs[reg].flags |= DWARF_REG_OFFSET;
+ frame->regs[reg].addr = -offset;
+ break;
default:
pr_debug("unhandled DWARF instruction 0x%x\n", insn);
break;
--
GitLab
From 97f361e2498ada54b48a235619eaf5af8e46427e Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 17 Aug 2009 05:07:38 +0900
Subject: [PATCH 188/742] sh: unwinder: Move initialization to early_initcall()
and tidy up locking.
This moves the initialization over to an early_initcall(). This fixes up
some lockdep interaction issues. At the same time, kill off some
superfluous locking in the init path.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/dwarf.h | 2 --
arch/sh/kernel/dwarf.c | 32 +++++++++++++++-----------------
arch/sh/kernel/irq.c | 4 ----
3 files changed, 15 insertions(+), 23 deletions(-)
diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h
index d3d3837c5e1b..2fbe8720411e 100644
--- a/arch/sh/include/asm/dwarf.h
+++ b/arch/sh/include/asm/dwarf.h
@@ -370,8 +370,6 @@ static inline unsigned int DW_CFA_operand(unsigned long insn)
#define DW_EXT_HI 0xffffffff
#define DW_EXT_DWARF64 DW_EXT_HI
-extern void dwarf_unwinder_init(void);
-
extern struct dwarf_frame *dwarf_unwind_stack(unsigned long,
struct dwarf_frame *);
#endif /* __ASSEMBLY__ */
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 5fd6e604816d..d0652153f576 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -26,10 +26,10 @@
#include <asm/stacktrace.h>
static LIST_HEAD(dwarf_cie_list);
-DEFINE_SPINLOCK(dwarf_cie_lock);
+static DEFINE_SPINLOCK(dwarf_cie_lock);
static LIST_HEAD(dwarf_fde_list);
-DEFINE_SPINLOCK(dwarf_fde_lock);
+static DEFINE_SPINLOCK(dwarf_fde_lock);
static struct dwarf_cie *cached_cie;
@@ -264,7 +264,7 @@ static inline int dwarf_entry_len(char *addr, unsigned long *len)
*/
static struct dwarf_cie *dwarf_lookup_cie(unsigned long cie_ptr)
{
- struct dwarf_cie *cie, *n;
+ struct dwarf_cie *cie;
unsigned long flags;
spin_lock_irqsave(&dwarf_cie_lock, flags);
@@ -278,7 +278,7 @@ static struct dwarf_cie *dwarf_lookup_cie(unsigned long cie_ptr)
goto out;
}
- list_for_each_entry_safe(cie, n, &dwarf_cie_list, link) {
+ list_for_each_entry(cie, &dwarf_cie_list, link) {
if (cie->cie_pointer == cie_ptr) {
cached_cie = cie;
break;
@@ -299,11 +299,12 @@ out:
*/
struct dwarf_fde *dwarf_lookup_fde(unsigned long pc)
{
+ struct dwarf_fde *fde;
unsigned long flags;
- struct dwarf_fde *fde, *n;
spin_lock_irqsave(&dwarf_fde_lock, flags);
- list_for_each_entry_safe(fde, n, &dwarf_fde_list, link) {
+
+ list_for_each_entry(fde, &dwarf_fde_list, link) {
unsigned long start, end;
start = fde->initial_location;
@@ -787,24 +788,19 @@ static struct unwinder dwarf_unwinder = {
static void dwarf_unwinder_cleanup(void)
{
- struct dwarf_cie *cie, *m;
- struct dwarf_fde *fde, *n;
- unsigned long flags;
+ struct dwarf_cie *cie;
+ struct dwarf_fde *fde;
/*
* Deallocate all the memory allocated for the DWARF unwinder.
* Traverse all the FDE/CIE lists and remove and free all the
* memory associated with those data structures.
*/
- spin_lock_irqsave(&dwarf_cie_lock, flags);
- list_for_each_entry_safe(cie, m, &dwarf_cie_list, link)
+ list_for_each_entry(cie, &dwarf_cie_list, link)
kfree(cie);
- spin_unlock_irqrestore(&dwarf_cie_lock, flags);
- spin_lock_irqsave(&dwarf_fde_lock, flags);
- list_for_each_entry_safe(fde, n, &dwarf_fde_list, link)
+ list_for_each_entry(fde, &dwarf_fde_list, link)
kfree(fde);
- spin_unlock_irqrestore(&dwarf_fde_lock, flags);
}
/**
@@ -816,7 +812,7 @@ static void dwarf_unwinder_cleanup(void)
* easy to lookup the FDE for a given PC, so we build a list of FDE
* and CIE entries that make it easier.
*/
-void dwarf_unwinder_init(void)
+static int __init dwarf_unwinder_init(void)
{
u32 entry_type;
void *p, *entry;
@@ -877,9 +873,11 @@ void dwarf_unwinder_init(void)
if (err)
goto out;
- return;
+ return 0;
out:
printk(KERN_ERR "Failed to initialise DWARF unwinder: %d\n", err);
dwarf_unwinder_cleanup();
+ return -EINVAL;
}
+early_initcall(dwarf_unwinder_init);
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 2bb43dc74f22..278c68c60488 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -14,7 +14,6 @@
#include <asm/processor.h>
#include <asm/machvec.h>
#include <asm/uaccess.h>
-#include <asm/dwarf.h>
#include <asm/thread_info.h>
#include <cpu/mmu_context.h>
@@ -262,9 +261,6 @@ void __init init_IRQ(void)
sh_mv.mv_init_irq();
irq_ctx_init(smp_processor_id());
-
- /* This needs to be early, but not too early.. */
- dwarf_unwinder_init();
}
#ifdef CONFIG_SPARSE_IRQ
--
GitLab
From 309214af53f030e0664aea011a9f628c5eb9cc2d Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Mon, 17 Aug 2009 09:27:29 +0000
Subject: [PATCH 189/742] sh: rework SuperH Mobile sleep code exception
handling
This patch updates the exception handling in the sleep code
for SuperH Mobile. With the patch applied the sleep code
always rewrites the VBR and resumes from the exception vector,
re-initializes hardware and jumps straight to the original
interrupt vector.
Tested on sh7722 and sh7724 with "Sleep Mode", "Sleep Mode + SF"
and "Software Standby Mode + SF" with CONFIG_SUSPEND.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/shmobile/pm.c | 16 +--
arch/sh/kernel/cpu/shmobile/sleep.S | 155 +++++++++++++++++++---------
2 files changed, 107 insertions(+), 64 deletions(-)
diff --git a/arch/sh/kernel/cpu/shmobile/pm.c b/arch/sh/kernel/cpu/shmobile/pm.c
index de078d24ce56..ee3c2aaf66fb 100644
--- a/arch/sh/kernel/cpu/shmobile/pm.c
+++ b/arch/sh/kernel/cpu/shmobile/pm.c
@@ -41,23 +41,11 @@ extern const unsigned int sh_mobile_standby_size;
void sh_mobile_call_standby(unsigned long mode)
{
- extern void *vbr_base;
void *onchip_mem = (void *)ILRAM_BASE;
- void (*standby_onchip_mem)(unsigned long) = onchip_mem;
-
- /* Note: Wake up from sleep may generate exceptions!
- * Setup VBR to point to on-chip ram if self-refresh is
- * going to be used.
- */
- if (mode & SUSP_SH_SF)
- asm volatile("ldc %0, vbr" : : "r" (onchip_mem) : "memory");
+ void (*standby_onchip_mem)(unsigned long, unsigned long) = onchip_mem;
/* Let assembly snippet in on-chip memory handle the rest */
- standby_onchip_mem(mode);
-
- /* Put VBR back in System RAM again */
- if (mode & SUSP_SH_SF)
- asm volatile("ldc %0, vbr" : : "r" (&vbr_base) : "memory");
+ standby_onchip_mem(mode, ILRAM_BASE);
}
static int sh_pm_enter(suspend_state_t state)
diff --git a/arch/sh/kernel/cpu/shmobile/sleep.S b/arch/sh/kernel/cpu/shmobile/sleep.S
index baf2d7d46b05..a439e6c7824f 100644
--- a/arch/sh/kernel/cpu/shmobile/sleep.S
+++ b/arch/sh/kernel/cpu/shmobile/sleep.S
@@ -16,19 +16,52 @@
#include <asm/asm-offsets.h>
#include <asm/suspend.h>
+/*
+ * Kernel mode register usage, see entry.S:
+ * k0 scratch
+ * k1 scratch
+ * k4 scratch
+ */
+#define k0 r0
+#define k1 r1
+#define k4 r4
+
/* manage self-refresh and enter standby mode.
* this code will be copied to on-chip memory and executed from there.
*/
.balign 4096,0,4096
ENTRY(sh_mobile_standby)
+
+ /* save original vbr */
+ stc vbr, r1
+ mova saved_vbr, r0
+ mov.l r1, @r0
+
+ /* point vbr to our on-chip memory page */
+ ldc r5, vbr
+
+ /* save return address */
+ mova saved_spc, r0
+ sts pr, r5
+ mov.l r5, @r0
+
+ /* save sr */
+ mova saved_sr, r0
+ stc sr, r5
+ mov.l r5, @r0
+
+ /* save mode flags */
+ mova saved_mode, r0
+ mov.l r4, @r0
+
+ /* put mode flags in r0 */
mov r4, r0
tst #SUSP_SH_SF, r0
bt skip_set_sf
#ifdef CONFIG_CPU_SUBTYPE_SH7724
/* DBSC: put memory in self-refresh mode */
-
mov.l dben_reg, r4
mov.l dben_data0, r1
mov.l r1, @r4
@@ -60,14 +93,6 @@ ENTRY(sh_mobile_standby)
#endif
skip_set_sf:
- tst #SUSP_SH_SLEEP, r0
- bt test_standby
-
- /* set mode to "sleep mode" */
- bra do_sleep
- mov #0x00, r1
-
-test_standby:
tst #SUSP_SH_STANDBY, r0
bt test_rstandby
@@ -85,77 +110,107 @@ test_rstandby:
test_ustandby:
tst #SUSP_SH_USTANDBY, r0
- bt done_sleep
+ bt force_sleep
/* set mode to "u-standby mode" */
- mov #0x10, r1
+ bra do_sleep
+ mov #0x10, r1
- /* fall-through */
+force_sleep:
+
+ /* set mode to "sleep mode" */
+ mov #0x00, r1
do_sleep:
/* setup and enter selected standby mode */
mov.l 5f, r4
mov.l r1, @r4
+again:
sleep
+ bra again
+ nop
+
+restore_jump_vbr:
+ /* setup spc with return address to c code */
+ mov.l saved_spc, k0
+ ldc k0, spc
+
+ /* restore vbr */
+ mov.l saved_vbr, k0
+ ldc k0, vbr
+
+ /* setup ssr with saved sr */
+ mov.l saved_sr, k0
+ ldc k0, ssr
+
+ /* get mode flags */
+ mov.l saved_mode, k0
done_sleep:
/* reset standby mode to sleep mode */
- mov.l 5f, r4
- mov #0x00, r1
- mov.l r1, @r4
+ mov.l 5f, k4
+ mov #0x00, k1
+ mov.l k1, @k4
- tst #SUSP_SH_SF, r0
+ tst #SUSP_SH_SF, k0
bt skip_restore_sf
#ifdef CONFIG_CPU_SUBTYPE_SH7724
/* DBSC: put memory in auto-refresh mode */
+ mov.l dbrfpdn0_reg, k4
+ mov.l dbrfpdn0_data0, k1
+ mov.l k1, @k4
- mov.l dbrfpdn0_reg, r4
- mov.l dbrfpdn0_data0, r1
- mov.l r1, @r4
-
- /* sleep 140 ns */
- nop
+ nop /* sleep 140 ns */
nop
nop
nop
- mov.l dbcmdcnt_reg, r4
- mov.l dbcmdcnt_data0, r1
- mov.l r1, @r4
+ mov.l dbcmdcnt_reg, k4
+ mov.l dbcmdcnt_data0, k1
+ mov.l k1, @k4
- mov.l dbcmdcnt_reg, r4
- mov.l dbcmdcnt_data1, r1
- mov.l r1, @r4
+ mov.l dbcmdcnt_reg, k4
+ mov.l dbcmdcnt_data1, k1
+ mov.l k1, @k4
- mov.l dben_reg, r4
- mov.l dben_data1, r1
- mov.l r1, @r4
+ mov.l dben_reg, k4
+ mov.l dben_data1, k1
+ mov.l k1, @k4
- mov.l dbrfpdn0_reg, r4
- mov.l dbrfpdn0_data2, r1
- mov.l r1, @r4
+ mov.l dbrfpdn0_reg, k4
+ mov.l dbrfpdn0_data2, k1
+ mov.l k1, @k4
#else
/* SBSC: set auto-refresh mode */
- mov.l 1f, r4
- mov.l @r4, r2
- mov.l 4f, r3
- and r3, r2
- mov.l r2, @r4
- mov.l 6f, r4
- mov.l 7f, r1
- mov.l 8f, r2
- mov.l @r4, r3
- mov #-1, r4
- add r4, r3
- or r2, r3
- mov.l r3, @r1
+ mov.l 1f, k4
+ mov.l @k4, k0
+ mov.l 4f, k1
+ and k1, k0
+ mov.l k0, @k4
+ mov.l 6f, k4
+ mov.l 8f, k0
+ mov.l @k4, k1
+ mov #-1, k4
+ add k4, k1
+ or k1, k0
+ mov.l 7f, k1
+ mov.l k0, @k1
#endif
skip_restore_sf:
- rts
+ /* jump to vbr vector */
+ mov.l saved_vbr, k0
+ mov.l offset_vbr, k4
+ add k4, k0
+ jmp @k0
nop
.balign 4
+saved_mode: .long 0
+saved_spc: .long 0
+saved_sr: .long 0
+saved_vbr: .long 0
+offset_vbr: .long 0x600
#ifdef CONFIG_CPU_SUBTYPE_SH7724
dben_reg: .long 0xfd000010 /* DBEN */
dben_data0: .long 0
@@ -178,12 +233,12 @@ dbcmdcnt_data1: .long 4
7: .long 0xfe400018 /* RTCNT */
8: .long 0xa55a0000
+
/* interrupt vector @ 0x600 */
.balign 0x400,0,0x400
.long 0xdeadbeef
.balign 0x200,0,0x200
- /* sh7722 will end up here in sleep mode */
- rte
+ bra restore_jump_vbr
nop
sh_mobile_standby_end:
--
GitLab
From 63cd91dfd4976cb9687b07e9a9864912631d2e08 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Mon, 17 Aug 2009 09:41:40 +0000
Subject: [PATCH 190/742] sh: SuperH Mobile Software Standby support for
cpuidle
This patch adds "SuperH Mobile Standby Mode [SF]" to the list
of cpuidle sleep modes. If the software latency requirements
from cpuidle are met together with fulfilled hardware
requirements then deep sleep modes can be entered.
Tested on sh7722 and sh7724 with "Sleep Mode", "Sleep Mode + SF"
and "Software Standby Mode + SF" together with a multimedia
work load and flood ping without packet drop.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/shmobile/cpuidle.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/sh/kernel/cpu/shmobile/cpuidle.c b/arch/sh/kernel/cpu/shmobile/cpuidle.c
index 4afdd975cc66..1c504bd972c3 100644
--- a/arch/sh/kernel/cpu/shmobile/cpuidle.c
+++ b/arch/sh/kernel/cpu/shmobile/cpuidle.c
@@ -21,6 +21,7 @@
static unsigned long cpuidle_mode[] = {
SUSP_SH_SLEEP, /* regular sleep mode */
SUSP_SH_SLEEP | SUSP_SH_SF, /* sleep mode + self refresh */
+ SUSP_SH_STANDBY | SUSP_SH_SF, /* software standby mode + self refresh */
};
static int cpuidle_sleep_enter(struct cpuidle_device *dev,
@@ -96,6 +97,16 @@ void sh_mobile_setup_cpuidle(void)
state->flags |= CPUIDLE_FLAG_TIME_VALID;
state->enter = cpuidle_sleep_enter;
+ state = &dev->states[i++];
+ snprintf(state->name, CPUIDLE_NAME_LEN, "C2");
+ strncpy(state->desc, "SuperH Mobile Standby Mode [SF]", CPUIDLE_DESC_LEN);
+ state->exit_latency = 2300;
+ state->target_residency = 1 * 2;
+ state->power_usage = 1;
+ state->flags = 0;
+ state->flags |= CPUIDLE_FLAG_TIME_VALID;
+ state->enter = cpuidle_sleep_enter;
+
dev->state_count = i;
cpuidle_register_device(dev);
--
GitLab
From 50797481a7bdee548589506d7d7b48b08bc14dcd Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 18 Sep 2009 13:34:02 -0400
Subject: [PATCH 191/742] ext4: Avoid group preallocation for closed files
Currently the group preallocation code tries to find a large (512)
free block from which to do per-cpu group allocation for small files.
The problem with this scheme is that it leaves the filesystem horribly
fragmented. In the worst case, if the filesystem is unmounted and
remounted (after a system shutdown, for example) we forget the fact
that wee were using a particular (now-partially filled) 512 block
extent. So the next time we try to allocate space for a small file,
we will find *another* completely free 512 block chunk to allocate
small files. Given that there are 32,768 blocks in a block group,
after 64 iterations of "mount, write one 4k file in a directory,
unmount", the block group will have 64 files, each separated by 511
blocks, and the block group will no longer have any free 512
completely free chunks of blocks for group preallocation space.
So if we try to allocate blocks for a file that has been closed, such
that we know the final size of the file, and the filesystem is not
busy, avoid using group preallocation.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4.h | 30 +++++++++++++++++++++++++++++-
fs/ext4/mballoc.c | 10 +++++++++-
2 files changed, 38 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 70aa951ecb3c..2e9a2036c114 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -952,6 +952,7 @@ struct ext4_sb_info {
atomic_t s_mb_lost_chunks;
atomic_t s_mb_preallocated;
atomic_t s_mb_discarded;
+ atomic_t s_lock_busy;
/* locality groups */
struct ext4_locality_group *s_locality_groups;
@@ -1593,15 +1594,42 @@ struct ext4_group_info {
#define EXT4_MB_GRP_NEED_INIT(grp) \
(test_bit(EXT4_GROUP_INFO_NEED_INIT_BIT, &((grp)->bb_state)))
+#define EXT4_MAX_CONTENTION 8
+#define EXT4_CONTENTION_THRESHOLD 2
+
static inline spinlock_t *ext4_group_lock_ptr(struct super_block *sb,
ext4_group_t group)
{
return bgl_lock_ptr(EXT4_SB(sb)->s_blockgroup_lock, group);
}
+/*
+ * Returns true if the filesystem is busy enough that attempts to
+ * access the block group locks has run into contention.
+ */
+static inline int ext4_fs_is_busy(struct ext4_sb_info *sbi)
+{
+ return (atomic_read(&sbi->s_lock_busy) > EXT4_CONTENTION_THRESHOLD);
+}
+
static inline void ext4_lock_group(struct super_block *sb, ext4_group_t group)
{
- spin_lock(ext4_group_lock_ptr(sb, group));
+ spinlock_t *lock = ext4_group_lock_ptr(sb, group);
+ if (spin_trylock(lock))
+ /*
+ * We're able to grab the lock right away, so drop the
+ * lock contention counter.
+ */
+ atomic_add_unless(&EXT4_SB(sb)->s_lock_busy, -1, 0);
+ else {
+ /*
+ * The lock is busy, so bump the contention counter,
+ * and then wait on the spin lock.
+ */
+ atomic_add_unless(&EXT4_SB(sb)->s_lock_busy, 1,
+ EXT4_MAX_CONTENTION);
+ spin_lock(lock);
+ }
}
static inline void ext4_unlock_group(struct super_block *sb,
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 90a30ce822fc..faf5bd056a93 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4191,9 +4191,17 @@ static void ext4_mb_group_or_file(struct ext4_allocation_context *ac)
return;
size = ac->ac_o_ex.fe_logical + ac->ac_o_ex.fe_len;
- isize = i_size_read(ac->ac_inode) >> bsbits;
+ isize = (i_size_read(ac->ac_inode) + ac->ac_sb->s_blocksize - 1)
+ >> bsbits;
size = max(size, isize);
+ if ((size == isize) &&
+ !ext4_fs_is_busy(sbi) &&
+ (atomic_read(&ac->ac_inode->i_writecount) == 0)) {
+ ac->ac_flags |= EXT4_MB_HINT_NOPREALLOC;
+ return;
+ }
+
/* don't use group allocation for large files */
if (size >= sbi->s_mb_stream_request) {
ac->ac_flags |= EXT4_MB_STREAM_ALLOC;
--
GitLab
From 84fe3bef59dc45a1cb0d2f9b0aefa8f1fbfbdf98 Mon Sep 17 00:00:00 2001
From: Mingming <cmm@us.ibm.com>
Date: Tue, 1 Sep 2009 08:44:37 -0400
Subject: [PATCH 192/742] ext4: Compile warning fix when EXT_DEBUG enabled
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When EXT_DEBUG is enabled I received the following compile warning on
PPC64:
CC [M] fs/ext4/inode.o
CC [M] fs/ext4/extents.o
fs/ext4/extents.c: In function ‘ext4_ext_rm_leaf’:
fs/ext4/extents.c:2097: warning: format ‘%lu’ expects type ‘long unsigned int’, but argument 2 has type ‘ext4_lblk_t’
fs/ext4/extents.c: In function ‘ext4_ext_get_blocks’:
fs/ext4/extents.c:2789: warning: format ‘%u’ expects type ‘unsigned int’, but argument 4 has type ‘long unsigned int’
fs/ext4/extents.c:2852: warning: format ‘%lu’ expects type ‘long unsigned int’, but argument 3 has type ‘ext4_lblk_t’
fs/ext4/extents.c:2953: warning: format ‘%lu’ expects type ‘long unsigned int’, but argument 4 has type ‘unsigned int’
CC [M] fs/ext4/migrate.o
The patch fixes compile warning.
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Index: linux-2.6.31-rc4/fs/ext4/extents.c
===================================================================
---
fs/ext4/extents.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 73ebfb44ad75..c583ebd1e41f 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2094,7 +2094,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
else
uninitialized = 0;
- ext_debug("remove ext %lu:%u\n", ex_ee_block, ex_ee_len);
+ ext_debug("remove ext %u:%d\n", ex_ee_block, ex_ee_len);
path[depth].p_ext = ex;
a = ex_ee_block > start ? ex_ee_block : start;
@@ -2786,7 +2786,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
struct ext4_allocation_request ar;
__clear_bit(BH_New, &bh_result->b_state);
- ext_debug("blocks %u/%u requested for inode %u\n",
+ ext_debug("blocks %u/%u requested for inode %lu\n",
iblock, max_blocks, inode->i_ino);
/* check in cache */
@@ -2849,7 +2849,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
newblock = iblock - ee_block + ee_start;
/* number of remaining blocks in the extent */
allocated = ee_len - (iblock - ee_block);
- ext_debug("%u fit into %lu:%d -> %llu\n", iblock,
+ ext_debug("%u fit into %u:%d -> %llu\n", iblock,
ee_block, ee_len, newblock);
/* Do not put uninitialized extent in the cache */
@@ -2950,7 +2950,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
newblock = ext4_mb_new_blocks(handle, &ar, &err);
if (!newblock)
goto out2;
- ext_debug("allocate new block: goal %llu, found %llu/%lu\n",
+ ext_debug("allocate new block: goal %llu, found %llu/%u\n",
ar.goal, newblock, allocated);
/* try to insert new extent into found leaf and return */
--
GitLab
From 553f9008939638335836eec834f4dea310c17eae Mon Sep 17 00:00:00 2001
From: Mingming <cmm@us.ibm.com>
Date: Fri, 18 Sep 2009 13:34:55 -0400
Subject: [PATCH 193/742] ext4: Show unwritten extent flag in
ext4_ext_show_leaf()
ext4_ext_show_leaf() will display the leaf extents when extent
debugging is enabled.
Printing out the unwritten bit is useful for debugging unwritten
extent, allow us to see the unwritten extents vs written extents,
after the unwritten extents are splitted or converted.
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
---
fs/ext4/ext4_extents.h | 3 +--
fs/ext4/extents.c | 31 ++++++++++++++++++++++---------
2 files changed, 23 insertions(+), 11 deletions(-)
diff --git a/fs/ext4/ext4_extents.h b/fs/ext4/ext4_extents.h
index 20a84105a10b..9538633879d7 100644
--- a/fs/ext4/ext4_extents.h
+++ b/fs/ext4/ext4_extents.h
@@ -43,8 +43,7 @@
#define CHECK_BINSEARCH__
/*
- * If EXT_DEBUG is defined you can use the 'extdebug' mount option
- * to get lots of info about what's going on.
+ * Turn on EXT_DEBUG to get lots of info about extents operations.
*/
#define EXT_DEBUG__
#ifdef EXT_DEBUG
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index c583ebd1e41f..13db43408533 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -437,8 +437,9 @@ static void ext4_ext_show_path(struct inode *inode, struct ext4_ext_path *path)
ext_debug(" %d->%llu", le32_to_cpu(path->p_idx->ei_block),
idx_pblock(path->p_idx));
} else if (path->p_ext) {
- ext_debug(" %d:%d:%llu ",
+ ext_debug(" %d:[%d]%d:%llu ",
le32_to_cpu(path->p_ext->ee_block),
+ ext4_ext_is_uninitialized(path->p_ext),
ext4_ext_get_actual_len(path->p_ext),
ext_pblock(path->p_ext));
} else
@@ -460,8 +461,11 @@ static void ext4_ext_show_leaf(struct inode *inode, struct ext4_ext_path *path)
eh = path[depth].p_hdr;
ex = EXT_FIRST_EXTENT(eh);
+ ext_debug("Displaying leaf extents for inode %lu\n", inode->i_ino);
+
for (i = 0; i < le16_to_cpu(eh->eh_entries); i++, ex++) {
- ext_debug("%d:%d:%llu ", le32_to_cpu(ex->ee_block),
+ ext_debug("%d:[%d]%d:%llu ", le32_to_cpu(ex->ee_block),
+ ext4_ext_is_uninitialized(ex),
ext4_ext_get_actual_len(ex), ext_pblock(ex));
}
ext_debug("\n");
@@ -580,9 +584,10 @@ ext4_ext_binsearch(struct inode *inode,
}
path->p_ext = l - 1;
- ext_debug(" -> %d:%llu:%d ",
+ ext_debug(" -> %d:%llu:[%d]%d ",
le32_to_cpu(path->p_ext->ee_block),
ext_pblock(path->p_ext),
+ ext4_ext_is_uninitialized(path->p_ext),
ext4_ext_get_actual_len(path->p_ext));
#ifdef CHECK_BINSEARCH
@@ -850,9 +855,10 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
path[depth].p_ext++;
while (path[depth].p_ext <=
EXT_MAX_EXTENT(path[depth].p_hdr)) {
- ext_debug("move %d:%llu:%d in new leaf %llu\n",
+ ext_debug("move %d:%llu:[%d]%d in new leaf %llu\n",
le32_to_cpu(path[depth].p_ext->ee_block),
ext_pblock(path[depth].p_ext),
+ ext4_ext_is_uninitialized(path[depth].p_ext),
ext4_ext_get_actual_len(path[depth].p_ext),
newblock);
/*memmove(ex++, path[depth].p_ext++,
@@ -1580,9 +1586,11 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
/* try to insert block into found extent and return */
if (ex && ext4_can_extents_be_merged(inode, ex, newext)) {
- ext_debug("append %d block to %d:%d (from %llu)\n",
+ ext_debug("append [%d]%d block to %d:[%d]%d (from %llu)\n",
+ ext4_ext_is_uninitialized(newext),
ext4_ext_get_actual_len(newext),
le32_to_cpu(ex->ee_block),
+ ext4_ext_is_uninitialized(ex),
ext4_ext_get_actual_len(ex), ext_pblock(ex));
err = ext4_ext_get_access(handle, inode, path + depth);
if (err)
@@ -1651,9 +1659,10 @@ has_space:
if (!nearex) {
/* there is no extent in this leaf, create first one */
- ext_debug("first extent in the leaf: %d:%llu:%d\n",
+ ext_debug("first extent in the leaf: %d:%llu:[%d]%d\n",
le32_to_cpu(newext->ee_block),
ext_pblock(newext),
+ ext4_ext_is_uninitialized(newext),
ext4_ext_get_actual_len(newext));
path[depth].p_ext = EXT_FIRST_EXTENT(eh);
} else if (le32_to_cpu(newext->ee_block)
@@ -1663,10 +1672,11 @@ has_space:
len = EXT_MAX_EXTENT(eh) - nearex;
len = (len - 1) * sizeof(struct ext4_extent);
len = len < 0 ? 0 : len;
- ext_debug("insert %d:%llu:%d after: nearest 0x%p, "
+ ext_debug("insert %d:%llu:[%d]%d after: nearest 0x%p, "
"move %d from 0x%p to 0x%p\n",
le32_to_cpu(newext->ee_block),
ext_pblock(newext),
+ ext4_ext_is_uninitialized(newext),
ext4_ext_get_actual_len(newext),
nearex, len, nearex + 1, nearex + 2);
memmove(nearex + 2, nearex + 1, len);
@@ -1676,10 +1686,11 @@ has_space:
BUG_ON(newext->ee_block == nearex->ee_block);
len = (EXT_MAX_EXTENT(eh) - nearex) * sizeof(struct ext4_extent);
len = len < 0 ? 0 : len;
- ext_debug("insert %d:%llu:%d before: nearest 0x%p, "
+ ext_debug("insert %d:%llu:[%d]%d before: nearest 0x%p, "
"move %d from 0x%p to 0x%p\n",
le32_to_cpu(newext->ee_block),
ext_pblock(newext),
+ ext4_ext_is_uninitialized(newext),
ext4_ext_get_actual_len(newext),
nearex, len, nearex + 1, nearex + 2);
memmove(nearex + 1, nearex, len);
@@ -2094,7 +2105,8 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
else
uninitialized = 0;
- ext_debug("remove ext %u:%d\n", ex_ee_block, ex_ee_len);
+ ext_debug("remove ext %u:[%d]%d\n", ex_ee_block,
+ uninitialized, ex_ee_len);
path[depth].p_ext = ex;
a = ex_ee_block > start ? ex_ee_block : start;
@@ -2743,6 +2755,7 @@ insert:
} else if (err)
goto fix_extent_len;
out:
+ ext4_ext_show_leaf(inode, path);
return err ? err : allocated;
fix_extent_len:
--
GitLab
From 9599b0e597d810be9b8f759ea6e9619c4f983c5e Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Mon, 17 Aug 2009 21:23:17 -0400
Subject: [PATCH 194/742] jbd2: Annotate transaction start also for
jbd2_journal_restart()
lockdep annotation for a transaction start has been at the end of
jbd2_journal_start(). But a transaction is also started from
jbd2_journal_restart(). Move the lockdep annotation to start_this_handle()
which covers both cases.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/jbd2/transaction.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 4516a87ca55c..a0512700542f 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -238,6 +238,8 @@ repeat_locked:
__jbd2_log_space_left(journal));
spin_unlock(&transaction->t_handle_lock);
spin_unlock(&journal->j_state_lock);
+
+ lock_map_acquire(&handle->h_lockdep_map);
out:
if (unlikely(new_transaction)) /* It's usually NULL */
kfree(new_transaction);
@@ -303,8 +305,6 @@ handle_t *jbd2_journal_start(journal_t *journal, int nblocks)
handle = ERR_PTR(err);
goto out;
}
-
- lock_map_acquire(&handle->h_lockdep_map);
out:
return handle;
}
@@ -426,6 +426,7 @@ int jbd2_journal_restart(handle_t *handle, int nblocks)
__jbd2_log_start_commit(journal, transaction->t_tid);
spin_unlock(&journal->j_state_lock);
+ lock_map_release(&handle->h_lockdep_map);
handle->h_buffer_credits = nblocks;
ret = start_this_handle(journal, handle);
return ret;
--
GitLab
From 487caeef9fc08c0565e082c40a8aaf58dad92bbb Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Mon, 17 Aug 2009 22:17:20 -0400
Subject: [PATCH 195/742] ext4: Fix possible deadlock between ext4_truncate()
and ext4_get_blocks()
During truncate we are sometimes forced to start a new transaction as
the amount of blocks to be journaled is both quite large and hard to
predict. So far we restarted a transaction while holding i_data_sem
and that violates lock ordering because i_data_sem ranks below a
transaction start (and it can lead to a real deadlock with
ext4_get_blocks() mapping blocks in some page while having a
transaction open).
We fix the problem by dropping the i_data_sem before restarting the
transaction and acquire it afterwards. It's slightly subtle that this
works:
1) By the time ext4_truncate() is called, all the page cache for the
truncated part of the file is dropped so get_block() should not be
called on it (we only have to invalidate extent cache after we
reacquire i_data_sem because some extent from not-truncated part could
extend also into the part we are going to truncate).
2) Writes, migrate or defrag hold i_mutex so they are stopped for all
the time of the truncate.
This bug has been found and analyzed by Theodore Tso <tytso@mit.edu>.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4.h | 1 +
fs/ext4/extents.c | 15 ++++++++++++---
fs/ext4/inode.c | 23 +++++++++++++++++++----
3 files changed, 32 insertions(+), 7 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 2e9a2036c114..fb21663ffe54 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1370,6 +1370,7 @@ extern int ext4_change_inode_journal_flag(struct inode *, int);
extern int ext4_get_inode_loc(struct inode *, struct ext4_iloc *);
extern int ext4_can_truncate(struct inode *inode);
extern void ext4_truncate(struct inode *);
+extern int ext4_truncate_restart_trans(handle_t *, struct inode *, int nblocks);
extern void ext4_set_inode_flags(struct inode *);
extern void ext4_get_inode_flags(struct ext4_inode_info *);
extern int ext4_alloc_da_blocks(struct inode *inode);
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 13db43408533..8c20caf4aa5c 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -93,7 +93,9 @@ static void ext4_idx_store_pblock(struct ext4_extent_idx *ix, ext4_fsblk_t pb)
ix->ei_leaf_hi = cpu_to_le16((unsigned long) ((pb >> 31) >> 1) & 0xffff);
}
-static int ext4_ext_journal_restart(handle_t *handle, int needed)
+static int ext4_ext_truncate_extend_restart(handle_t *handle,
+ struct inode *inode,
+ int needed)
{
int err;
@@ -104,7 +106,14 @@ static int ext4_ext_journal_restart(handle_t *handle, int needed)
err = ext4_journal_extend(handle, needed);
if (err <= 0)
return err;
- return ext4_journal_restart(handle, needed);
+ err = ext4_truncate_restart_trans(handle, inode, needed);
+ /*
+ * We have dropped i_data_sem so someone might have cached again
+ * an extent we are going to truncate.
+ */
+ ext4_ext_invalidate_cache(inode);
+
+ return err;
}
/*
@@ -2150,7 +2159,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
}
credits += 2 * EXT4_QUOTA_TRANS_BLOCKS(inode->i_sb);
- err = ext4_ext_journal_restart(handle, credits);
+ err = ext4_ext_truncate_extend_restart(handle, inode, credits);
if (err)
goto out;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 9a4c929b16dc..d61fb523308f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -192,11 +192,24 @@ static int try_to_extend_transaction(handle_t *handle, struct inode *inode)
* so before we call here everything must be consistently dirtied against
* this transaction.
*/
-static int ext4_journal_test_restart(handle_t *handle, struct inode *inode)
+ int ext4_truncate_restart_trans(handle_t *handle, struct inode *inode,
+ int nblocks)
{
+ int ret;
+
+ /*
+ * Drop i_data_sem to avoid deadlock with ext4_get_blocks At this
+ * moment, get_block can be called only for blocks inside i_size since
+ * page cache has been already dropped and writes are blocked by
+ * i_mutex. So we can safely drop the i_data_sem here.
+ */
BUG_ON(EXT4_JOURNAL(inode) == NULL);
jbd_debug(2, "restarting handle %p\n", handle);
- return ext4_journal_restart(handle, blocks_for_truncate(inode));
+ up_write(&EXT4_I(inode)->i_data_sem);
+ ret = ext4_journal_restart(handle, blocks_for_truncate(inode));
+ down_write(&EXT4_I(inode)->i_data_sem);
+
+ return ret;
}
/*
@@ -3658,7 +3671,8 @@ static void ext4_clear_blocks(handle_t *handle, struct inode *inode,
ext4_handle_dirty_metadata(handle, inode, bh);
}
ext4_mark_inode_dirty(handle, inode);
- ext4_journal_test_restart(handle, inode);
+ ext4_truncate_restart_trans(handle, inode,
+ blocks_for_truncate(inode));
if (bh) {
BUFFER_TRACE(bh, "retaking write access");
ext4_journal_get_write_access(handle, bh);
@@ -3869,7 +3883,8 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
return;
if (try_to_extend_transaction(handle, inode)) {
ext4_mark_inode_dirty(handle, inode);
- ext4_journal_test_restart(handle, inode);
+ ext4_truncate_restart_trans(handle, inode,
+ blocks_for_truncate(inode));
}
ext4_free_blocks(handle, inode, nr, 1, 1);
--
GitLab
From f3a8308864f920d2babe76921733d76ec4a11fb8 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Tue, 18 Aug 2009 11:35:09 +0900
Subject: [PATCH 196/742] sh: Add a few missing irqflags tracing markers.
save_regs contains an SR modification without an irqflags annotation,
which resulted in a missing TRACE_IRQS_OFF in the interrupt exception
path on SH-3/SH4.
I've also moved the TRACE_IRQS_OFF/ON annotation when returning from the
interrupt to just before we call __restore_all. This seems like the most
logical place to put this because the annotation is for when we restore
the SR register so we should delay the annotation until as last as
possible.
We were also missing a TRACE_IRQS_OFF in resume_kernel when
CONFIG_PREEMPT is enabled.
The end result is that this fixes up the lockdep engine debugging support
with CONFIG_PREEMPT enabled on all SH-3/4 parts.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh3/entry.S | 8 ++++++++
arch/sh/kernel/entry-common.S | 27 ++++++++++++++++-----------
2 files changed, 24 insertions(+), 11 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index 67ad6467c694..272636ec5c98 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -508,6 +508,14 @@ ENTRY(handle_interrupt)
bsr save_regs ! needs original pr value in k3
mov #-1, k2 ! default vector kept in k2
+ stc sr, r0 ! get status register
+ shlr2 r0
+ and #0x3c, r0
+ cmp/eq #0x3c, r0
+ bf 9f
+ TRACE_IRQS_OFF
+9:
+
! Setup return address and jump to do_IRQ
mov.l 4f, r9 ! fetch return address
lds r9, pr ! put return address in pr
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index e63178fefb9b..700477601c6f 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -77,15 +77,6 @@ ENTRY(ret_from_irq)
!
mov #OFF_SR, r0
mov.l @(r0,r15), r0 ! get status register
-
- shlr2 r0
- and #0x3c, r0
- cmp/eq #0x3c, r0
- bt 9f
- TRACE_IRQS_ON
-9:
- mov #OFF_SR, r0
- mov.l @(r0,r15), r0 ! get status register
shll r0
shll r0 ! kernel space?
get_current_thread_info r8, r0
@@ -96,6 +87,7 @@ ENTRY(ret_from_irq)
nop
ENTRY(resume_kernel)
cli
+ TRACE_IRQS_OFF
mov.l @(TI_PRE_COUNT,r8), r0 ! current_thread_info->preempt_count
tst r0, r0
bf noresched
@@ -213,12 +205,25 @@ syscall_trace_entry:
mov.l r0, @(OFF_R0,r15) ! Return value
__restore_all:
- mov.l 1f, r0
+ mov #OFF_SR, r0
+ mov.l @(r0,r15), r0 ! get status register
+
+ shlr2 r0
+ and #0x3c, r0
+ cmp/eq #0x3c, r0
+ bt 1f
+ TRACE_IRQS_ON
+ bra 2f
+ nop
+1:
+ TRACE_IRQS_OFF
+2:
+ mov.l 3f, r0
jmp @r0
nop
.align 2
-1: .long restore_all
+3: .long restore_all
.align 2
syscall_badsys: ! Bad syscall number
--
GitLab
From 0ccff1a49def92d6b838a6da166c89004b3a4d0c Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Mon, 17 Aug 2009 22:38:04 -0400
Subject: [PATCH 197/742] jbd2: bitfields should be unsigned
This fixes sparse noise:
error: dubious one-bit signed bitfield
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Jan Kara <jack@ucw.cz>
---
include/linux/jbd2.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index d97eb652d6ca..52695d3dfd0b 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -652,7 +652,7 @@ struct transaction_s
* This transaction is being forced and some process is
* waiting for it to finish.
*/
- int t_synchronous_commit:1;
+ unsigned int t_synchronous_commit:1;
/*
* For use by the filesystem to store fs-specific data
--
GitLab
From bf43d84b185e2ff54598f8c58a5a8e63148b6e90 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Mon, 17 Aug 2009 23:48:51 -0400
Subject: [PATCH 198/742] ext4: reject too-large filesystems on 32-bit kernels
ext4 will happily mount a > 16T filesystem on a 32-bit box, but
this is not safe; writes to the block device will wrap past 16T
and the page cache can't index past 16T (232 index * 4k pages).
Adding another test to the existing "too many sectors" test
should do the trick.
Add a comment, a relevant return value, and fix the reference
to the CONFIG_LBD(AF) option as well.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/super.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index fe3f376b7df2..de67c3657b83 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2550,12 +2550,19 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount;
}
- if (ext4_blocks_count(es) >
- (sector_t)(~0ULL) >> (sb->s_blocksize_bits - 9)) {
+ /*
+ * Test whether we have more sectors than will fit in sector_t,
+ * and whether the max offset is addressable by the page cache.
+ */
+ if ((ext4_blocks_count(es) >
+ (sector_t)(~0ULL) >> (sb->s_blocksize_bits - 9)) ||
+ (ext4_blocks_count(es) >
+ (pgoff_t)(~0ULL) >> (PAGE_CACHE_SHIFT - sb->s_blocksize_bits))) {
ext4_msg(sb, KERN_ERR, "filesystem"
- " too large to mount safely");
+ " too large to mount safely on this system");
if (sizeof(sector_t) < 8)
ext4_msg(sb, KERN_WARNING, "CONFIG_LBDAF not enabled");
+ ret = -EFBIG;
goto failed_mount;
}
--
GitLab
From 0373130d5bc783751c1fbad948886916a21d4559 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Mon, 17 Aug 2009 23:51:29 -0400
Subject: [PATCH 199/742] ext4: open-code ext4_mb_update_group_info
ext4_mb_update_group_info is only called in one place, and it's
extremely simple. There's no reason to have it in a separate function
in a separate file as far as I can tell, it just obfuscates what's
really going on.
Perhaps it was intended to keep the grp->bb_* manipulation local to
mballoc.c but we're already accessing other grp-> fields in balloc.c
directly so this seems ok.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/balloc.c | 2 +-
fs/ext4/ext4.h | 2 --
fs/ext4/mballoc.c | 9 ---------
3 files changed, 1 insertion(+), 12 deletions(-)
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index e2126d70dff5..1d0418980f8d 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -478,7 +478,7 @@ void ext4_add_groupblocks(handle_t *handle, struct super_block *sb,
* new bitmap information
*/
set_bit(EXT4_GROUP_INFO_NEED_INIT_BIT, &(grp->bb_state));
- ext4_mb_update_group_info(grp, blocks_freed);
+ grp->bb_free += blocks_freed;
up_write(&grp->alloc_sem);
/* We dirtied the bitmap block */
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index fb21663ffe54..02b22885eb02 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1343,8 +1343,6 @@ extern void ext4_mb_free_blocks(handle_t *, struct inode *,
ext4_fsblk_t, unsigned long, int, unsigned long *);
extern int ext4_mb_add_groupinfo(struct super_block *sb,
ext4_group_t i, struct ext4_group_desc *desc);
-extern void ext4_mb_update_group_info(struct ext4_group_info *grp,
- ext4_grpblk_t add);
extern int ext4_mb_get_buddy_cache_lock(struct super_block *, ext4_group_t);
extern void ext4_mb_put_buddy_cache_lock(struct super_block *,
ext4_group_t, int);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index faf5bd056a93..833d87236881 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2554,15 +2554,6 @@ exit_meta_group_info:
return -ENOMEM;
} /* ext4_mb_add_groupinfo */
-/*
- * Update an existing group.
- * This function is used for online resize
- */
-void ext4_mb_update_group_info(struct ext4_group_info *grp, ext4_grpblk_t add)
-{
- grp->bb_free += add;
-}
-
static int ext4_mb_init_backend(struct super_block *sb)
{
ext4_group_t ngroups = ext4_get_groups_count(sb);
--
GitLab
From 38877f4e8dbbec12c6fde85ee1fce1dc27ef3290 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Mon, 17 Aug 2009 23:55:24 -0400
Subject: [PATCH 200/742] simplify some logic in ext4_mb_normalize_request
While reading through some of the mballoc code it seems that a couple
spots in the size normalization function could be streamlined.
The test for non-overlapping PAs can be or'd for the start & end
conditions, and the tests for adjacent PAs can be else-if'd -
it's essentially independently testing:
if (A + B <= C)
...
if (A > C)
...
These cannot both be true so it seems like the else-if might
be slightly more efficient and/or informative.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/mballoc.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 833d87236881..1a9cd7de04dd 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3184,23 +3184,18 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
BUG_ON(!(ac->ac_o_ex.fe_logical >= pa_end ||
ac->ac_o_ex.fe_logical < pa->pa_lstart));
- /* skip PA normalized request doesn't overlap with */
- if (pa->pa_lstart >= end) {
- spin_unlock(&pa->pa_lock);
- continue;
- }
- if (pa_end <= start) {
+ /* skip PAs this normalized request doesn't overlap with */
+ if (pa->pa_lstart >= end || pa_end <= start) {
spin_unlock(&pa->pa_lock);
continue;
}
BUG_ON(pa->pa_lstart <= start && pa_end >= end);
+ /* adjust start or end to be adjacent to this pa */
if (pa_end <= ac->ac_o_ex.fe_logical) {
BUG_ON(pa_end < start);
start = pa_end;
- }
-
- if (pa->pa_lstart > ac->ac_o_ex.fe_logical) {
+ } else if (pa->pa_lstart > ac->ac_o_ex.fe_logical) {
BUG_ON(pa->pa_lstart > end);
end = pa->pa_lstart;
}
--
GitLab
From a13fb1a4533f26c1e2b0204d5283b696689645af Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Tue, 18 Aug 2009 00:20:23 -0400
Subject: [PATCH 201/742] ext4: Add feature set check helper for mount &
remount paths
A user reported that although his root ext4 filesystem was mounting
fine, other filesystems would not mount, with the:
"Filesystem with huge files cannot be mounted RDWR without CONFIG_LBDAF"
error on his 32-bit box built without CONFIG_LBDAF. This is because
the test at mount time for this situation was not being re-checked
on remount, and the normal boot process makes an ro->rw transition,
so this was being missed.
Refactor to make a common helper function to test the filesystem
features against the type of mount request (RO vs. RW) so that we
stay consistent.
Addresses Red-Hat-Bugzilla: #517650
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/super.c | 91 ++++++++++++++++++++++++++-----------------------
1 file changed, 49 insertions(+), 42 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index de67c3657b83..4037fe0b5a5c 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2254,6 +2254,49 @@ static struct kobj_type ext4_ktype = {
.release = ext4_sb_release,
};
+/*
+ * Check whether this filesystem can be mounted based on
+ * the features present and the RDONLY/RDWR mount requested.
+ * Returns 1 if this filesystem can be mounted as requested,
+ * 0 if it cannot be.
+ */
+static int ext4_feature_set_ok(struct super_block *sb, int readonly)
+{
+ if (EXT4_HAS_INCOMPAT_FEATURE(sb, ~EXT4_FEATURE_INCOMPAT_SUPP)) {
+ ext4_msg(sb, KERN_ERR,
+ "Couldn't mount because of "
+ "unsupported optional features (%x)",
+ (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_incompat) &
+ ~EXT4_FEATURE_INCOMPAT_SUPP));
+ return 0;
+ }
+
+ if (readonly)
+ return 1;
+
+ /* Check that feature set is OK for a read-write mount */
+ if (EXT4_HAS_RO_COMPAT_FEATURE(sb, ~EXT4_FEATURE_RO_COMPAT_SUPP)) {
+ ext4_msg(sb, KERN_ERR, "couldn't mount RDWR because of "
+ "unsupported optional features (%x)",
+ (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_ro_compat) &
+ ~EXT4_FEATURE_RO_COMPAT_SUPP));
+ return 0;
+ }
+ /*
+ * Large file size enabled file system can only be mounted
+ * read-write on 32-bit systems if kernel is built with CONFIG_LBDAF
+ */
+ if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_HUGE_FILE)) {
+ if (sizeof(blkcnt_t) < sizeof(u64)) {
+ ext4_msg(sb, KERN_ERR, "Filesystem with huge files "
+ "cannot be mounted RDWR without "
+ "CONFIG_LBDAF");
+ return 0;
+ }
+ }
+ return 1;
+}
+
static int ext4_fill_super(struct super_block *sb, void *data, int silent)
__releases(kernel_lock)
__acquires(kernel_lock)
@@ -2275,7 +2318,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
unsigned int db_count;
unsigned int i;
int needs_recovery, has_huge_files;
- int features;
__u64 blocks_count;
int err;
unsigned int journal_ioprio = DEFAULT_JOURNAL_IOPRIO;
@@ -2402,39 +2444,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
* previously didn't change the revision level when setting the flags,
* so there is a chance incompat flags are set on a rev 0 filesystem.
*/
- features = EXT4_HAS_INCOMPAT_FEATURE(sb, ~EXT4_FEATURE_INCOMPAT_SUPP);
- if (features) {
- ext4_msg(sb, KERN_ERR,
- "Couldn't mount because of "
- "unsupported optional features (%x)",
- (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_incompat) &
- ~EXT4_FEATURE_INCOMPAT_SUPP));
- goto failed_mount;
- }
- features = EXT4_HAS_RO_COMPAT_FEATURE(sb, ~EXT4_FEATURE_RO_COMPAT_SUPP);
- if (!(sb->s_flags & MS_RDONLY) && features) {
- ext4_msg(sb, KERN_ERR,
- "Couldn't mount RDWR because of "
- "unsupported optional features (%x)",
- (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_ro_compat) &
- ~EXT4_FEATURE_RO_COMPAT_SUPP));
+ if (!ext4_feature_set_ok(sb, (sb->s_flags & MS_RDONLY)))
goto failed_mount;
- }
- has_huge_files = EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_HUGE_FILE);
- if (has_huge_files) {
- /*
- * Large file size enabled file system can only be
- * mount if kernel is build with CONFIG_LBDAF
- */
- if (sizeof(root->i_blocks) < sizeof(u64) &&
- !(sb->s_flags & MS_RDONLY)) {
- ext4_msg(sb, KERN_ERR, "Filesystem with huge "
- "files cannot be mounted read-write "
- "without CONFIG_LBDAF");
- goto failed_mount;
- }
- }
+
blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
if (blocksize < EXT4_MIN_BLOCK_SIZE ||
@@ -2470,6 +2482,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
}
}
+ has_huge_files = EXT4_HAS_RO_COMPAT_FEATURE(sb,
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE);
sbi->s_bitmap_maxbytes = ext4_max_bitmap_size(sb->s_blocksize_bits,
has_huge_files);
sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits, has_huge_files);
@@ -3485,18 +3499,11 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
if (sbi->s_journal)
ext4_mark_recovery_complete(sb, es);
} else {
- int ret;
- if ((ret = EXT4_HAS_RO_COMPAT_FEATURE(sb,
- ~EXT4_FEATURE_RO_COMPAT_SUPP))) {
- ext4_msg(sb, KERN_WARNING, "couldn't "
- "remount RDWR because of unsupported "
- "optional features (%x)",
- (le32_to_cpu(sbi->s_es->s_feature_ro_compat) &
- ~EXT4_FEATURE_RO_COMPAT_SUPP));
+ /* Make sure we can mount this feature set readwrite */
+ if (!ext4_feature_set_ok(sb, 0)) {
err = -EROFS;
goto restore_opts;
}
-
/*
* Make sure the group descriptor checksums
* are sane. If they aren't, refuse to remount r/w.
--
GitLab
From 7a01be28bac860086dbf659665d70928ae11c192 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Tue, 18 Aug 2009 06:51:28 +0000
Subject: [PATCH 202/742] sh: mach-kfr2409: add FLLFRQ value for PLL
correction.
FLLFRQ setting is needed to use correct PLL clock for kfr2409.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt b/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
index 9c85088728a7..25801d495c5f 100644
--- a/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
+++ b/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
@@ -24,6 +24,7 @@ LIST "setup clocks"
ED 0xa4150004, 0x00000050
ED 0xa4150000, 0x91053508
WAIT 1
+ED 0xa4150050, 0x00000340
ED 0xa4150024, 0x00005000
LIST "setup pins"
--
GitLab
From b2ea8b421515ddd692c88fc5afb0e7f93e96e6cb Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Tue, 18 Aug 2009 06:51:47 +0000
Subject: [PATCH 203/742] sh: clkfwk: Support additional IFC divisor on SH7724.
This patch updates the FRQCRA.IFC divisor values for SH7724. Despite
not being initially documented, the / 3 mode is also support for the IFC
division.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh4a/clock-sh7724.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index 34611d97378e..627588dfddf0 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -127,7 +127,7 @@ struct clk *main_clks[] = {
&div3_clk,
};
-static int divisors[] = { 2, 0, 4, 6, 8, 12, 16, 0, 24, 32, 36, 48, 0, 72 };
+static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 0, 24, 32, 36, 48, 0, 72 };
static struct clk_div_mult_table div4_table = {
.divisors = divisors,
--
GitLab
From e174d13010a6bd52045466bc35ca5a86e3f3ba9b Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Tue, 18 Aug 2009 07:00:20 +0000
Subject: [PATCH 204/742] sh: Prevent heartbeat from scribbling over non-LED
bits.
While most platforms implement LED banks in sets of 8/16/32, some use
different configurations. This adds a LED mask to the heartbeat platform
data to allow platforms to constrain the bitmap, which is otherwise
derived from the register size.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/drivers/heartbeat.c | 10 ++++++++++
arch/sh/include/asm/heartbeat.h | 1 +
2 files changed, 11 insertions(+)
diff --git a/arch/sh/drivers/heartbeat.c b/arch/sh/drivers/heartbeat.c
index 938817e34e2b..a9339a6174fc 100644
--- a/arch/sh/drivers/heartbeat.c
+++ b/arch/sh/drivers/heartbeat.c
@@ -40,14 +40,19 @@ static inline void heartbeat_toggle_bit(struct heartbeat_data *hd,
if (inverted)
new = ~new;
+ new &= hd->mask;
+
switch (hd->regsize) {
case 32:
+ new |= ioread32(hd->base) & ~hd->mask;
iowrite32(new, hd->base);
break;
case 16:
+ new |= ioread16(hd->base) & ~hd->mask;
iowrite16(new, hd->base);
break;
default:
+ new |= ioread8(hd->base) & ~hd->mask;
iowrite8(new, hd->base);
break;
}
@@ -72,6 +77,7 @@ static int heartbeat_drv_probe(struct platform_device *pdev)
{
struct resource *res;
struct heartbeat_data *hd;
+ int i;
if (unlikely(pdev->num_resources != 1)) {
dev_err(&pdev->dev, "invalid number of resources\n");
@@ -107,6 +113,10 @@ static int heartbeat_drv_probe(struct platform_device *pdev)
hd->nr_bits = ARRAY_SIZE(default_bit_pos);
}
+ hd->mask = 0;
+ for (i = 0; i < hd->nr_bits; i++)
+ hd->mask |= (1 << hd->bit_pos[i]);
+
if (!hd->regsize)
hd->regsize = 8; /* default access size */
diff --git a/arch/sh/include/asm/heartbeat.h b/arch/sh/include/asm/heartbeat.h
index 724a43ed245e..caaafe5a3ef1 100644
--- a/arch/sh/include/asm/heartbeat.h
+++ b/arch/sh/include/asm/heartbeat.h
@@ -11,6 +11,7 @@ struct heartbeat_data {
unsigned int nr_bits;
struct timer_list timer;
unsigned int regsize;
+ unsigned int mask;
unsigned long flags;
};
--
GitLab
From b5711b8e5a437ca7d35321d19de568b4f76a7739 Mon Sep 17 00:00:00 2001
From: Casey Dahlin <cdahlin@redhat.com>
Date: Tue, 28 Jul 2009 12:29:05 -0500
Subject: [PATCH 205/742] dlm: fix double-release of socket in error exit path
The last correction to the tcp_connect_to_sock error exit path,
commit a89d63a159b1ba5833be2bef00adf8ad8caac8be, can free an already
freed socket, due to collision with a previous (incomplete) attempt
to fix the same issue, commit 311f6fc77c51926dbdfbeab0a5d88d70f01fa3f4.
Signed-off-by: Casey Dahlin <cdahlin@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
---
fs/dlm/lowcomms.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 618a60f03886..210d52c48808 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -926,10 +926,8 @@ static void tcp_connect_to_sock(struct connection *con)
goto out_err;
memset(&saddr, 0, sizeof(saddr));
- if (dlm_nodeid_to_addr(con->nodeid, &saddr)) {
- sock_release(sock);
+ if (dlm_nodeid_to_addr(con->nodeid, &saddr))
goto out_err;
- }
sock->sk->sk_user_data = con;
con->rx_action = receive_from_sock;
--
GitLab
From e055d41ff5e9761c5572a6f4ce94bcd82bfbb28f Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 19 Aug 2009 17:57:01 +0900
Subject: [PATCH 206/742] sh: Build fix for disabled caches.
This fixes up the build when caches are disabled, by linking in all of
the cache routines directly. This paves the way for splitting out
separate I and D cache disabling, similar to what sh64 had, and which
we want for SH-X3 anyways.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/Makefile | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index 4ca71e9e09eb..3759bf853293 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -4,14 +4,12 @@
obj-y := cache.o init.o consistent.o mmap.o
-ifndef CONFIG_CACHE_OFF
cacheops-$(CONFIG_CPU_SH2) := cache-sh2.o
cacheops-$(CONFIG_CPU_SH2A) := cache-sh2a.o
cacheops-$(CONFIG_CPU_SH3) := cache-sh3.o
cacheops-$(CONFIG_CPU_SH4) := cache-sh4.o flush-sh4.o
cacheops-$(CONFIG_CPU_SH5) := cache-sh5.o flush-sh4.o
cacheops-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
-endif
obj-y += $(cacheops-y)
--
GitLab
From fc6191dd301e3bc8cbb142aab1a2ec4e699cb2de Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 19 Aug 2009 17:53:04 +0900
Subject: [PATCH 207/742] sh: Fix up clockevents broadcasting.
This fixes up the clockevents broadcasting code as detailed in commit
ee348d5a1d810bc9958cabb7c27302aab235d36e ("[ARM] realview: fix broadcast
tick support"). This saves us from having to do strange ordering things
with the broadcast clockevent device, relying on the rating instead.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh4a/smp-shx3.c | 2 ++
arch/sh/kernel/localtimer.c | 9 +++++++--
arch/sh/kernel/time.c | 4 ----
3 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh4a/smp-shx3.c b/arch/sh/kernel/cpu/sh4a/smp-shx3.c
index 2b6b0d50c576..185ec3976a25 100644
--- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c
@@ -57,6 +57,8 @@ void __init plat_prepare_cpus(unsigned int max_cpus)
{
int i;
+ local_timer_setup(0);
+
BUILD_BUG_ON(SMP_MSG_NR >= 8);
for (i = 0; i < SMP_MSG_NR; i++)
diff --git a/arch/sh/kernel/localtimer.c b/arch/sh/kernel/localtimer.c
index 96e8eaea1e62..0b04e7d4a9b9 100644
--- a/arch/sh/kernel/localtimer.c
+++ b/arch/sh/kernel/localtimer.c
@@ -22,6 +22,7 @@
#include <linux/jiffies.h>
#include <linux/percpu.h>
#include <linux/clockchips.h>
+#include <linux/hardirq.h>
#include <linux/irq.h>
static DEFINE_PER_CPU(struct clock_event_device, local_clockevent);
@@ -33,7 +34,9 @@ void local_timer_interrupt(void)
{
struct clock_event_device *clk = &__get_cpu_var(local_clockevent);
+ irq_enter();
clk->event_handler(clk);
+ irq_exit();
}
static void dummy_timer_set_mode(enum clock_event_mode mode,
@@ -46,8 +49,10 @@ void __cpuinit local_timer_setup(unsigned int cpu)
struct clock_event_device *clk = &per_cpu(local_clockevent, cpu);
clk->name = "dummy_timer";
- clk->features = CLOCK_EVT_FEAT_DUMMY;
- clk->rating = 200;
+ clk->features = CLOCK_EVT_FEAT_ONESHOT |
+ CLOCK_EVT_FEAT_PERIODIC |
+ CLOCK_EVT_FEAT_DUMMY;
+ clk->rating = 400;
clk->mult = 1;
clk->set_mode = dummy_timer_set_mode;
clk->broadcast = smp_timer_broadcast;
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index 7f95f479060f..632aff533285 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -119,9 +119,5 @@ void __init time_init(void)
set_normalized_timespec(&wall_to_monotonic,
-xtime.tv_sec, -xtime.tv_nsec);
-#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
- local_timer_setup(smp_processor_id());
-#endif
-
late_time_init = sh_late_time_init;
}
--
GitLab
From d0981a1b21a03866c8da7f44e35e389c2e0d6061 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 19 Aug 2009 11:26:09 +0200
Subject: [PATCH 208/742] clocksource: Protect the watchdog rating changes with
clocksource_mutex
Martin pointed out that commit 6ea41d2529 (clocksource: Call
clocksource_change_rating() outside of watchdog_lock) has a
theoretical reference count problem. The calls to
clocksource_change_rating() are now done outside of the clocksource
mutex and outside of the watchdog lock. A concurrent
clocksource_unregister() could remove the clock.
Split out the code which changes the rating from
clocksource_change_rating() into __clocksource_change_rating().
Protect the clocksource_watchdog_work() code sequence with the
clocksource_mutex() and call __clocksource_change_rating().
LKML-Reference: <alpine.LFD.2.00.0908171038420.2782@localhost.localdomain>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
kernel/time/clocksource.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 02dc22d888fe..c6bff11f7957 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -131,6 +131,7 @@ static cycle_t watchdog_last;
static int watchdog_running;
static void clocksource_watchdog_work(struct work_struct *work);
+static void __clocksource_change_rating(struct clocksource *cs, int rating);
/*
* Interval: 0.5sec Threshold: 0.0625s
@@ -309,6 +310,7 @@ static void clocksource_watchdog_work(struct work_struct *work)
unsigned long flags;
LIST_HEAD(unstable);
+ mutex_lock(&clocksource_mutex);
spin_lock_irqsave(&watchdog_lock, flags);
list_for_each_entry_safe(cs, tmp, &watchdog_list, wd_list)
if (cs->flags & CLOCK_SOURCE_UNSTABLE) {
@@ -322,8 +324,9 @@ static void clocksource_watchdog_work(struct work_struct *work)
/* Needs to be done outside of watchdog lock */
list_for_each_entry_safe(cs, tmp, &unstable, wd_list) {
list_del_init(&cs->wd_list);
- clocksource_change_rating(cs, 0);
+ __clocksource_change_rating(cs, 0);
}
+ mutex_unlock(&clocksource_mutex);
}
#else /* CONFIG_CLOCKSOURCE_WATCHDOG */
@@ -470,16 +473,21 @@ int clocksource_register(struct clocksource *cs)
}
EXPORT_SYMBOL(clocksource_register);
+static void __clocksource_change_rating(struct clocksource *cs, int rating)
+{
+ list_del(&cs->list);
+ cs->rating = rating;
+ clocksource_enqueue(cs);
+ clocksource_select();
+}
+
/**
* clocksource_change_rating - Change the rating of a registered clocksource
*/
void clocksource_change_rating(struct clocksource *cs, int rating)
{
mutex_lock(&clocksource_mutex);
- list_del(&cs->list);
- cs->rating = rating;
- clocksource_enqueue(cs);
- clocksource_select();
+ __clocksource_change_rating(cs, rating);
mutex_unlock(&clocksource_mutex);
}
EXPORT_SYMBOL(clocksource_change_rating);
--
GitLab
From 01548f4d3e8e94caf323a4f664eb347fd34a34ab Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Tue, 18 Aug 2009 17:09:42 +0200
Subject: [PATCH 209/742] clocksource: Avoid clocksource watchdog circular
locking dependency
stop_machine from a multithreaded workqueue is not allowed because
of a circular locking dependency between cpu_down and the workqueue
execution. Use a kernel thread to do the clocksource downgrade.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: john stultz <johnstul@us.ibm.com>
LKML-Reference: <20090818170942.3ab80c91@skybase>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/clocksource.c | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index c6bff11f7957..e0c86ad6e9fb 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -29,6 +29,7 @@
#include <linux/module.h>
#include <linux/sched.h> /* for spin_unlock_irq() using preempt_count() m68k */
#include <linux/tick.h>
+#include <linux/kthread.h>
void timecounter_init(struct timecounter *tc,
const struct cyclecounter *cc,
@@ -130,7 +131,7 @@ static DEFINE_SPINLOCK(watchdog_lock);
static cycle_t watchdog_last;
static int watchdog_running;
-static void clocksource_watchdog_work(struct work_struct *work);
+static int clocksource_watchdog_kthread(void *data);
static void __clocksource_change_rating(struct clocksource *cs, int rating);
/*
@@ -139,6 +140,15 @@ static void __clocksource_change_rating(struct clocksource *cs, int rating);
#define WATCHDOG_INTERVAL (HZ >> 1)
#define WATCHDOG_THRESHOLD (NSEC_PER_SEC >> 4)
+static void clocksource_watchdog_work(struct work_struct *work)
+{
+ /*
+ * If kthread_run fails the next watchdog scan over the
+ * watchdog_list will find the unstable clock again.
+ */
+ kthread_run(clocksource_watchdog_kthread, NULL, "kwatchdog");
+}
+
static void clocksource_unstable(struct clocksource *cs, int64_t delta)
{
printk(KERN_WARNING "Clocksource %s unstable (delta = %Ld ns)\n",
@@ -167,8 +177,10 @@ static void clocksource_watchdog(unsigned long data)
list_for_each_entry(cs, &watchdog_list, wd_list) {
/* Clocksource already marked unstable? */
- if (cs->flags & CLOCK_SOURCE_UNSTABLE)
+ if (cs->flags & CLOCK_SOURCE_UNSTABLE) {
+ schedule_work(&watchdog_work);
continue;
+ }
csnow = cs->read(cs);
@@ -304,7 +316,7 @@ static void clocksource_dequeue_watchdog(struct clocksource *cs)
spin_unlock_irqrestore(&watchdog_lock, flags);
}
-static void clocksource_watchdog_work(struct work_struct *work)
+static int clocksource_watchdog_kthread(void *data)
{
struct clocksource *cs, *tmp;
unsigned long flags;
@@ -327,6 +339,7 @@ static void clocksource_watchdog_work(struct work_struct *work)
__clocksource_change_rating(cs, 0);
}
mutex_unlock(&clocksource_mutex);
+ return 0;
}
#else /* CONFIG_CLOCKSOURCE_WATCHDOG */
--
GitLab
From 1bc265d06c31d08a3d95b6b8215c7639698001e0 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 19 Aug 2009 00:12:15 +0000
Subject: [PATCH 210/742] sh: USB0 resource area fix for ms7724se
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-se/7724/setup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 9162081504ef..c04e134474d8 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -319,7 +319,7 @@ static struct r8a66597_platdata sh7724_usb0_host_data = {
static struct resource sh7724_usb0_host_resources[] = {
[0] = {
.start = 0xa4d80000,
- .end = 0xa4d800ff,
+ .end = 0xa4d80124 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
--
GitLab
From 24d76195d124986b7702821b8b6cc85942b13146 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 19 Aug 2009 10:24:15 +0000
Subject: [PATCH 211/742] sh: Add SH7724 support to NR_ONCHIP_DMA_CHANNELS
This patch also update help comment
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/drivers/dma/Kconfig | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index 63e9dd30b41c..b91fa8dbf047 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -27,12 +27,12 @@ config NR_ONCHIP_DMA_CHANNELS
default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R || \
CPU_SUBTYPE_SH7760
default "12" if CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7780 || \
- CPU_SUBTYPE_SH7785
+ CPU_SUBTYPE_SH7785 || CPU_SUBTYPE_SH7724
default "6"
help
This allows you to specify the number of channels that the on-chip
- DMAC supports. This will be 4 for SH7091/SH7750/SH7751 and 8 for the
- SH7750R/SH7751R.
+ DMAC supports. This will be 4 for SH7750/SH7751/Sh7750S/SH7091 and 8 for the
+ SH7750R/SH7751R/SH7760, 12 for the SH7723/SH7780/SH7785/SH7724, default is 6.
config NR_DMA_CHANNELS_BOOL
depends on SH_DMA
--
GitLab
From 4138b74066cc33ede31bfd6cb2b7a5e685cfd327 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 19 Aug 2009 12:08:33 +0000
Subject: [PATCH 212/742] sh: Add EcoVec (SH7724) board support
This adds preliminary support for the EcoVec board.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Makefile | 1 +
arch/sh/boards/Kconfig | 7 +
arch/sh/boards/mach-ecovec24/Makefile | 9 +
arch/sh/boards/mach-ecovec24/setup.c | 129 ++
arch/sh/configs/ecovec24_defconfig | 1550 +++++++++++++++++++++++++
5 files changed, 1696 insertions(+)
create mode 100644 arch/sh/boards/mach-ecovec24/Makefile
create mode 100644 arch/sh/boards/mach-ecovec24/setup.c
create mode 100644 arch/sh/configs/ecovec24_defconfig
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index e26421bf9976..fc51a918b31a 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -137,6 +137,7 @@ machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705
machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander
machdir-$(CONFIG_SH_MIGOR) += mach-migor
machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
+machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780
machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index db04c85971ad..b66f6d16523e 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -200,6 +200,13 @@ config SH_KFR2R09
help
"Kit For R2R for 2009" support.
+config SH_ECOVEC
+ bool "EcoVec"
+ depends on CPU_SUBTYPE_SH7724
+ select ARCH_REQUIRE_GPIOLIB
+ help
+ Renesas "R0P7724LC0011/21RL (EcoVec)" support.
+
config SH_SH7763RDP
bool "SH7763RDP"
depends on CPU_SUBTYPE_SH7763
diff --git a/arch/sh/boards/mach-ecovec24/Makefile b/arch/sh/boards/mach-ecovec24/Makefile
new file mode 100644
index 000000000000..51f852151655
--- /dev/null
+++ b/arch/sh/boards/mach-ecovec24/Makefile
@@ -0,0 +1,9 @@
+#
+# Makefile for the R0P7724LC0011/21RL (EcoVec)
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+
+obj-y := setup.o
\ No newline at end of file
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
new file mode 100644
index 000000000000..b634a72da1e6
--- /dev/null
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2009 Renesas Solutions Corp.
+ *
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+#include <asm/heartbeat.h>
+#include <cpu/sh7724.h>
+
+/*
+ * Area Address Interface size BusWidth
+ * 0 0x0000_0000 ~ 0x03FF_FFFF FROM 64MB 16bit
+ * 1 0x0400_0000 ~ 0x07FF_FFFF Internal I/O 64MB 16/32bit
+ * 2 0x0800_0000 ~ 0x0BFF_FFFF DRAM 2 64MB 32bit
+ * 3 0x0C00_0000 ~ 0x0FFF_FFFF DRAM 3 64MB 32bit
+ * 4 0x1000_0000 ~ 0x13FF_FFFF DRAM 4 64MB 32bit
+ * 5 0x1400_0000 ~ 0x17FF_FFFF DRAM 5 64MB 32bit
+ * 6 0x1800_0000 ~ 0x1BFF_FFFF MFI 64MB 16bit
+ */
+
+/* Heartbeat */
+static unsigned char led_pos[] = { 0, 1, 2, 3 };
+static struct heartbeat_data heartbeat_data = {
+ .regsize = 8,
+ .nr_bits = 4,
+ .bit_pos = led_pos,
+};
+
+static struct resource heartbeat_resources[] = {
+ [0] = {
+ .start = 0xA405012C, /* PTG */
+ .end = 0xA405012E - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device heartbeat_device = {
+ .name = "heartbeat",
+ .id = -1,
+ .dev = {
+ .platform_data = &heartbeat_data,
+ },
+ .num_resources = ARRAY_SIZE(heartbeat_resources),
+ .resource = heartbeat_resources,
+};
+
+/* MTD */
+static struct mtd_partition nor_flash_partitions[] = {
+ {
+ .name = "uboot",
+ .offset = 0,
+ .size = (256 * 1024),
+ .mask_flags = MTD_CAP_ROM,
+ }, {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = (2 * 1024 * 1024),
+ }, {
+ .name = "free-area",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct physmap_flash_data nor_flash_data = {
+ .width = 2,
+ .parts = nor_flash_partitions,
+ .nr_parts = ARRAY_SIZE(nor_flash_partitions),
+};
+
+static struct resource nor_flash_resources[] = {
+ [0] = {
+ .name = "NOR Flash",
+ .start = 0x00000000,
+ .end = 0x03ffffff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device nor_flash_device = {
+ .name = "physmap-flash",
+ .resource = nor_flash_resources,
+ .num_resources = ARRAY_SIZE(nor_flash_resources),
+ .dev = {
+ .platform_data = &nor_flash_data,
+ },
+};
+
+static struct platform_device *ecovec_devices[] __initdata = {
+ &heartbeat_device,
+ &nor_flash_device,
+};
+
+static int __init devices_setup(void)
+{
+ /* enable SCIFA0 */
+ gpio_request(GPIO_FN_SCIF0_TXD, NULL);
+ gpio_request(GPIO_FN_SCIF0_RXD, NULL);
+ gpio_request(GPIO_FN_SCIF0_SCK, NULL);
+
+ /* enable debug LED */
+ gpio_request(GPIO_PTG0, NULL);
+ gpio_request(GPIO_PTG1, NULL);
+ gpio_request(GPIO_PTG2, NULL);
+ gpio_request(GPIO_PTG3, NULL);
+ gpio_direction_output(GPIO_PTT0, 0);
+ gpio_direction_output(GPIO_PTT1, 0);
+ gpio_direction_output(GPIO_PTT2, 0);
+ gpio_direction_output(GPIO_PTT3, 0);
+
+ return platform_add_devices(ecovec_devices,
+ ARRAY_SIZE(ecovec_devices));
+}
+device_initcall(devices_setup);
+
+static struct sh_machine_vector mv_ecovec __initmv = {
+ .mv_name = "R0P7724 (EcoVec)",
+};
diff --git a/arch/sh/configs/ecovec24_defconfig b/arch/sh/configs/ecovec24_defconfig
new file mode 100644
index 000000000000..6d983f6864ca
--- /dev/null
+++ b/arch/sh/configs/ecovec24_defconfig
@@ -0,0 +1,1550 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.31-rc6
+# Tue Aug 18 11:32:44 2009
+#
+CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+# CONFIG_SUPERH64 is not set
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_IRQ_PER_CPU=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_SYS_SUPPORTS_CMT=y
+CONFIG_SYS_SUPPORTS_TMU=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
+CONFIG_ARCH_HAS_DEFAULT_IDLE=y
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+# CONFIG_KALLSYMS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_HAVE_PERF_COUNTERS=y
+
+#
+# Performance Counters
+#
+# CONFIG_PERF_COUNTERS is not set
+CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_STRIP_ASM_SYMS is not set
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_FREEZER is not set
+
+#
+# System type
+#
+CONFIG_CPU_SH4=y
+CONFIG_CPU_SH4A=y
+CONFIG_CPU_SHX2=y
+CONFIG_ARCH_SHMOBILE=y
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7201 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7706 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+# CONFIG_CPU_SUBTYPE_SH7710 is not set
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+# CONFIG_CPU_SUBTYPE_SH7751R is not set
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+CONFIG_CPU_SUBTYPE_SH7724=y
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SH7786 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
+# CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+
+#
+# Memory management options
+#
+CONFIG_QUICKLIST=y
+CONFIG_MMU=y
+CONFIG_PAGE_OFFSET=0x80000000
+CONFIG_FORCE_MAX_ZONEORDER=11
+CONFIG_MEMORY_START=0x08000000
+CONFIG_MEMORY_SIZE=0x08000000
+CONFIG_29BIT=y
+# CONFIG_X2TLB is not set
+CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+
+#
+# Cache configuration
+#
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
+CONFIG_SH_FPU=y
+# CONFIG_SH_STORE_QUEUES is not set
+CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_FPU=y
+
+#
+# Board support
+#
+# CONFIG_SH_7724_SOLUTION_ENGINE is not set
+# CONFIG_SH_KFR2R09 is not set
+CONFIG_SH_ECOVEC=y
+
+#
+# Timer and clock configuration
+#
+CONFIG_SH_TIMER_TMU=y
+# CONFIG_SH_TIMER_CMT is not set
+CONFIG_SH_PCLK_FREQ=33333333
+CONFIG_SH_CLK_CPG=y
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+# CONFIG_SH_DMA is not set
+
+#
+# Companion Chips
+#
+
+#
+# Additional SuperH Device Drivers
+#
+CONFIG_HEARTBEAT=y
+# CONFIG_PUSH_SWITCH is not set
+
+#
+# Kernel features
+#
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
+# CONFIG_KEXEC is not set
+# CONFIG_CRASH_DUMP is not set
+CONFIG_SECCOMP=y
+# CONFIG_PREEMPT_NONE is not set
+# CONFIG_PREEMPT_VOLUNTARY is not set
+CONFIG_PREEMPT=y
+CONFIG_GUSA=y
+# CONFIG_SPARSE_IRQ is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x00800000
+CONFIG_ENTRY_OFFSET=0x00001000
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="console=tty0, console=ttySC3,115200 root=/dev/nfs ip=dhcp mem=120M memchunk.vpu=4m"
+
+#
+# Bus options
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options (EXPERIMENTAL)
+#
+# CONFIG_PM is not set
+# CONFIG_CPU_IDLE is not set
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_MULTIPLE_TABLES is not set
+# CONFIG_IP_ROUTE_MULTIPATH is not set
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_LIB80211 is not set
+
+#
+# CFG80211 needs to be enabled for MAC80211
+#
+CONFIG_MAC80211_DEFAULT_PS_VALUE=0
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_TESTS is not set
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_MTD_UBI_BEB_RESERVE=1
+# CONFIG_MTD_UBI_GLUEBI is not set
+
+#
+# UBI debugging options
+#
+# CONFIG_MTD_UBI_DEBUG is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=4
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_ICS932S401 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+CONFIG_SMSC_PHY=y
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
+# CONFIG_FIXED_PHY is not set
+CONFIG_MDIO_BITBANG=y
+# CONFIG_MDIO_GPIO is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_STNIC is not set
+CONFIG_SH_ETH=y
+CONFIG_SMC91X=y
+# CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+CONFIG_KEYBOARD_SH_KEYSC=y
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_MAX3100 is not set
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=6
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_SH_MOBILE=y
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BITBANG=y
+# CONFIG_SPI_GPIO is not set
+# CONFIG_SPI_SH_SCI is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
+# CONFIG_REGULATOR is not set
+CONFIG_MEDIA_SUPPORT=y
+
+#
+# Multimedia core support
+#
+CONFIG_VIDEO_DEV=y
+CONFIG_VIDEO_V4L2_COMMON=y
+CONFIG_VIDEO_ALLOW_V4L1=y
+CONFIG_VIDEO_V4L1_COMPAT=y
+# CONFIG_DVB_CORE is not set
+CONFIG_VIDEO_MEDIA=y
+
+#
+# Multimedia drivers
+#
+# CONFIG_MEDIA_ATTACH is not set
+CONFIG_MEDIA_TUNER=y
+# CONFIG_MEDIA_TUNER_CUSTOMISE is not set
+CONFIG_MEDIA_TUNER_SIMPLE=y
+CONFIG_MEDIA_TUNER_TDA8290=y
+CONFIG_MEDIA_TUNER_TDA9887=y
+CONFIG_MEDIA_TUNER_TEA5761=y
+CONFIG_MEDIA_TUNER_TEA5767=y
+CONFIG_MEDIA_TUNER_MT20XX=y
+CONFIG_MEDIA_TUNER_XC2028=y
+CONFIG_MEDIA_TUNER_XC5000=y
+CONFIG_MEDIA_TUNER_MC44S803=y
+CONFIG_VIDEO_V4L2=y
+CONFIG_VIDEO_V4L1=y
+CONFIG_VIDEOBUF_GEN=y
+CONFIG_VIDEOBUF_DMA_CONTIG=y
+CONFIG_VIDEO_CAPTURE_DRIVERS=y
+# CONFIG_VIDEO_ADV_DEBUG is not set
+# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
+CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
+# CONFIG_VIDEO_VIVI is not set
+# CONFIG_VIDEO_CPIA is not set
+# CONFIG_VIDEO_CPIA2 is not set
+# CONFIG_VIDEO_SAA5246A is not set
+# CONFIG_VIDEO_SAA5249 is not set
+CONFIG_SOC_CAMERA=y
+# CONFIG_SOC_CAMERA_MT9M001 is not set
+# CONFIG_SOC_CAMERA_MT9M111 is not set
+# CONFIG_SOC_CAMERA_MT9T031 is not set
+# CONFIG_SOC_CAMERA_MT9V022 is not set
+# CONFIG_SOC_CAMERA_TW9910 is not set
+# CONFIG_SOC_CAMERA_PLATFORM is not set
+# CONFIG_SOC_CAMERA_OV772X is not set
+CONFIG_VIDEO_SH_MOBILE_CEU=y
+# CONFIG_V4L_USB_DRIVERS is not set
+CONFIG_RADIO_ADAPTERS=y
+# CONFIG_USB_DSBR is not set
+# CONFIG_USB_SI470X is not set
+# CONFIG_USB_MR800 is not set
+# CONFIG_RADIO_TEA5764 is not set
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+# CONFIG_FB_CFB_FILLRECT is not set
+# CONFIG_FB_CFB_COPYAREA is not set
+# CONFIG_FB_CFB_IMAGEBLIT is not set
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+CONFIG_FB_SYS_FILLRECT=y
+CONFIG_FB_SYS_COPYAREA=y
+CONFIG_FB_SYS_IMAGEBLIT=y
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+CONFIG_FB_SYS_FOPS=y
+CONFIG_FB_DEFERRED_IO=y
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_SH_MOBILE_LCDC=y
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+# CONFIG_LOGO_LINUX_CLUT224 is not set
+# CONFIG_LOGO_SUPERH_MONO is not set
+# CONFIG_LOGO_SUPERH_VGA16 is not set
+CONFIG_LOGO_SUPERH_CLUT224=y
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=y
+# CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+# CONFIG_HID_A4TECH is not set
+# CONFIG_HID_APPLE is not set
+# CONFIG_HID_BELKIN is not set
+# CONFIG_HID_CHERRY is not set
+# CONFIG_HID_CHICONY is not set
+# CONFIG_HID_CYPRESS is not set
+# CONFIG_HID_DRAGONRISE is not set
+# CONFIG_HID_EZKEY is not set
+# CONFIG_HID_KYE is not set
+# CONFIG_HID_GYRATION is not set
+# CONFIG_HID_KENSINGTON is not set
+# CONFIG_HID_LOGITECH is not set
+# CONFIG_HID_MICROSOFT is not set
+# CONFIG_HID_MONTEREY is not set
+# CONFIG_HID_NTRIG is not set
+# CONFIG_HID_PANTHERLORD is not set
+# CONFIG_HID_PETALYNX is not set
+# CONFIG_HID_SAMSUNG is not set
+# CONFIG_HID_SONY is not set
+# CONFIG_HID_SUNPLUS is not set
+# CONFIG_HID_GREENASIA is not set
+# CONFIG_HID_SMARTJOYPLUS is not set
+# CONFIG_HID_TOPSEED is not set
+# CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_ZEROPLUS is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+CONFIG_USB_R8A66597_HCD=y
+# CONFIG_USB_HWA_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+
+#
+# also be needed; see USB_STORAGE Help for more info
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
+# CONFIG_USB_GADGET is not set
+
+#
+# OTG and related infrastructure
+#
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_NOP_USB_XCEIV is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD/SDIO Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
+# CONFIG_MMC_SDHCI is not set
+CONFIG_MMC_SPI=y
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+CONFIG_RTC_DRV_PCF8563=y
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_DS1390 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_RTC_DRV_SH is not set
+# CONFIG_RTC_DRV_GENERIC is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+CONFIG_UIO=y
+# CONFIG_UIO_PDRV is not set
+CONFIG_UIO_PDRV_GENIRQ=y
+# CONFIG_UIO_SMX is not set
+# CONFIG_UIO_SERCOS3 is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+# CONFIG_EXT4_FS is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+# CONFIG_MSDOS_FS is not set
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS2_FS is not set
+# CONFIG_UBIFS_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+CONFIG_ROOT_NFS=y
+CONFIG_NFSD=y
+CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
+# CONFIG_NFSD_V4 is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+CONFIG_NLS_CODEPAGE_932=y
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FTRACE_SYSCALLS=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_DMA_API_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_SH_STANDARD_BIOS is not set
+# CONFIG_EARLY_SCIF_CONSOLE is not set
+# CONFIG_DWARF_UNWINDER is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD2=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_WORKQUEUE=y
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC_T10DIF=y
+CONFIG_CRC_ITU_T=y
+CONFIG_CRC32=y
+CONFIG_CRC7=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_HAVE_LMB=y
+CONFIG_NLATTR=y
+CONFIG_GENERIC_ATOMIC64=y
--
GitLab
From e638fab91e5d1c4db3a80957546c32ed4bd75086 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 20 Aug 2009 10:14:29 +0900
Subject: [PATCH 213/742] sh: Add mach-types entry for EcoVec board.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/tools/mach-types | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index 09eef360dde1..b57362879e0e 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -57,3 +57,4 @@ URQUELL SH_URQUELL
ESPT SH_ESPT
POLARIS SH_POLARIS
KFR2R09 SH_KFR2R09
+ECOVEC SH_ECOVEC
--
GitLab
From c41442474a26984abaa094e96e42182868eab658 Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Date: Wed, 19 Aug 2009 04:59:39 +0000
Subject: [PATCH 214/742] usb: gadget: R8A66597 peripheral controller support.
While in-tree support for the R8A66597 host side has been supported for
some time, the peripheral side has so far been unsupported. This adds a
new USB gadget driver which bridges the gap and finally wires up the
peripheral side as well.
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Tested-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/usb/gadget/Kconfig | 18 +
drivers/usb/gadget/Makefile | 1 +
drivers/usb/gadget/gadget_chips.h | 8 +
drivers/usb/gadget/r8a66597-udc.c | 1635 +++++++++++++++++++++++++++++
drivers/usb/gadget/r8a66597-udc.h | 249 +++++
5 files changed, 1911 insertions(+)
create mode 100644 drivers/usb/gadget/r8a66597-udc.c
create mode 100644 drivers/usb/gadget/r8a66597-udc.h
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index b7f10bc25c2c..9f986b417c5b 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -251,6 +251,24 @@ config USB_PXA25X_SMALL
default y if USB_ETH
default y if USB_G_SERIAL
+config USB_GADGET_R8A66597
+ boolean "Renesas R8A66597 USB Peripheral Controller"
+ select USB_GADGET_DUALSPEED
+ help
+ R8A66597 is a discrete USB host and peripheral controller chip that
+ supports both full and high speed USB 2.0 data transfers.
+ It has nine configurable endpoints, and endpoint zero.
+
+ Say "y" to link the driver statically, or "m" to build a
+ dynamically linked module called "r8a66597_udc" and force all
+ gadget drivers to also be dynamically linked.
+
+config USB_R8A66597
+ tristate
+ depends on USB_GADGET_R8A66597
+ default USB_GADGET
+ select USB_GADGET_SELECTED
+
config USB_GADGET_PXA27X
boolean "PXA 27x"
depends on ARCH_PXA && (PXA27x || PXA3xx)
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index e6017e6bf6da..9d7b87c52e9f 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -23,6 +23,7 @@ ifeq ($(CONFIG_ARCH_MXC),y)
fsl_usb2_udc-objs += fsl_mx3_udc.o
endif
obj-$(CONFIG_USB_M66592) += m66592-udc.o
+obj-$(CONFIG_USB_R8A66597) += r8a66597-udc.o
obj-$(CONFIG_USB_FSL_QE) += fsl_qe_udc.o
obj-$(CONFIG_USB_CI13XXX) += ci13xxx_udc.o
obj-$(CONFIG_USB_S3C_HSOTG) += s3c-hsotg.o
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index 8e0e9a0b7364..f2d270b202f2 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -173,6 +173,12 @@
// CONFIG_USB_GADGET_AU1X00
// ...
+#ifdef CONFIG_USB_GADGET_R8A66597
+#define gadget_is_r8a66597(g) !strcmp("r8a66597_udc", (g)->name)
+#else
+#define gadget_is_r8a66597(g) 0
+#endif
+
/**
* usb_gadget_controller_number - support bcdDevice id convention
@@ -239,6 +245,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
return 0x23;
else if (gadget_is_langwell(gadget))
return 0x24;
+ else if (gadget_is_r8a66597(gadget))
+ return 0x25;
return -ENOENT;
}
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
new file mode 100644
index 000000000000..cc0ba68efa55
--- /dev/null
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -0,0 +1,1635 @@
+/*
+ * R8A66597 UDC (USB gadget)
+ *
+ * Copyright (C) 2006-2009 Renesas Solutions Corp.
+ *
+ * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+
+#include "r8a66597-udc.h"
+
+#define DRIVER_VERSION "2009-08-18"
+
+static const char udc_name[] = "r8a66597_udc";
+static const char *r8a66597_ep_name[] = {
+ "ep0", "ep1", "ep2", "ep3", "ep4", "ep5", "ep6", "ep7",
+ "ep8", "ep9",
+};
+
+static void disable_controller(struct r8a66597 *r8a66597);
+static void irq_ep0_write(struct r8a66597_ep *ep, struct r8a66597_request *req);
+static void irq_packet_write(struct r8a66597_ep *ep,
+ struct r8a66597_request *req);
+static int r8a66597_queue(struct usb_ep *_ep, struct usb_request *_req,
+ gfp_t gfp_flags);
+
+static void transfer_complete(struct r8a66597_ep *ep,
+ struct r8a66597_request *req, int status);
+
+/*-------------------------------------------------------------------------*/
+static inline u16 get_usb_speed(struct r8a66597 *r8a66597)
+{
+ return r8a66597_read(r8a66597, DVSTCTR0) & RHST;
+}
+
+static void enable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum,
+ unsigned long reg)
+{
+ u16 tmp;
+
+ tmp = r8a66597_read(r8a66597, INTENB0);
+ r8a66597_bclr(r8a66597, BEMPE | NRDYE | BRDYE,
+ INTENB0);
+ r8a66597_bset(r8a66597, (1 << pipenum), reg);
+ r8a66597_write(r8a66597, tmp, INTENB0);
+}
+
+static void disable_pipe_irq(struct r8a66597 *r8a66597, u16 pipenum,
+ unsigned long reg)
+{
+ u16 tmp;
+
+ tmp = r8a66597_read(r8a66597, INTENB0);
+ r8a66597_bclr(r8a66597, BEMPE | NRDYE | BRDYE,
+ INTENB0);
+ r8a66597_bclr(r8a66597, (1 << pipenum), reg);
+ r8a66597_write(r8a66597, tmp, INTENB0);
+}
+
+static void r8a66597_usb_connect(struct r8a66597 *r8a66597)
+{
+ r8a66597_bset(r8a66597, CTRE, INTENB0);
+ r8a66597_bset(r8a66597, BEMPE | BRDYE, INTENB0);
+
+ r8a66597_bset(r8a66597, DPRPU, SYSCFG0);
+}
+
+static void r8a66597_usb_disconnect(struct r8a66597 *r8a66597)
+__releases(r8a66597->lock)
+__acquires(r8a66597->lock)
+{
+ r8a66597_bclr(r8a66597, CTRE, INTENB0);
+ r8a66597_bclr(r8a66597, BEMPE | BRDYE, INTENB0);
+ r8a66597_bclr(r8a66597, DPRPU, SYSCFG0);
+
+ r8a66597->gadget.speed = USB_SPEED_UNKNOWN;
+ spin_unlock(&r8a66597->lock);
+ r8a66597->driver->disconnect(&r8a66597->gadget);
+ spin_lock(&r8a66597->lock);
+
+ disable_controller(r8a66597);
+ INIT_LIST_HEAD(&r8a66597->ep[0].queue);
+}
+
+static inline u16 control_reg_get_pid(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ u16 pid = 0;
+ unsigned long offset;
+
+ if (pipenum == 0)
+ pid = r8a66597_read(r8a66597, DCPCTR) & PID;
+ else if (pipenum < R8A66597_MAX_NUM_PIPE) {
+ offset = get_pipectr_addr(pipenum);
+ pid = r8a66597_read(r8a66597, offset) & PID;
+ } else
+ printk(KERN_ERR "unexpect pipe num (%d)\n", pipenum);
+
+ return pid;
+}
+
+static inline void control_reg_set_pid(struct r8a66597 *r8a66597, u16 pipenum,
+ u16 pid)
+{
+ unsigned long offset;
+
+ if (pipenum == 0)
+ r8a66597_mdfy(r8a66597, pid, PID, DCPCTR);
+ else if (pipenum < R8A66597_MAX_NUM_PIPE) {
+ offset = get_pipectr_addr(pipenum);
+ r8a66597_mdfy(r8a66597, pid, PID, offset);
+ } else
+ printk(KERN_ERR "unexpect pipe num (%d)\n", pipenum);
+}
+
+static inline void pipe_start(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ control_reg_set_pid(r8a66597, pipenum, PID_BUF);
+}
+
+static inline void pipe_stop(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ control_reg_set_pid(r8a66597, pipenum, PID_NAK);
+}
+
+static inline void pipe_stall(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ control_reg_set_pid(r8a66597, pipenum, PID_STALL);
+}
+
+static inline u16 control_reg_get(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ u16 ret = 0;
+ unsigned long offset;
+
+ if (pipenum == 0)
+ ret = r8a66597_read(r8a66597, DCPCTR);
+ else if (pipenum < R8A66597_MAX_NUM_PIPE) {
+ offset = get_pipectr_addr(pipenum);
+ ret = r8a66597_read(r8a66597, offset);
+ } else
+ printk(KERN_ERR "unexpect pipe num (%d)\n", pipenum);
+
+ return ret;
+}
+
+static inline void control_reg_sqclr(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ unsigned long offset;
+
+ pipe_stop(r8a66597, pipenum);
+
+ if (pipenum == 0)
+ r8a66597_bset(r8a66597, SQCLR, DCPCTR);
+ else if (pipenum < R8A66597_MAX_NUM_PIPE) {
+ offset = get_pipectr_addr(pipenum);
+ r8a66597_bset(r8a66597, SQCLR, offset);
+ } else
+ printk(KERN_ERR "unexpect pipe num(%d)\n", pipenum);
+}
+
+static inline int get_buffer_size(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ u16 tmp;
+ int size;
+
+ if (pipenum == 0) {
+ tmp = r8a66597_read(r8a66597, DCPCFG);
+ if ((tmp & R8A66597_CNTMD) != 0)
+ size = 256;
+ else {
+ tmp = r8a66597_read(r8a66597, DCPMAXP);
+ size = tmp & MAXP;
+ }
+ } else {
+ r8a66597_write(r8a66597, pipenum, PIPESEL);
+ tmp = r8a66597_read(r8a66597, PIPECFG);
+ if ((tmp & R8A66597_CNTMD) != 0) {
+ tmp = r8a66597_read(r8a66597, PIPEBUF);
+ size = ((tmp >> 10) + 1) * 64;
+ } else {
+ tmp = r8a66597_read(r8a66597, PIPEMAXP);
+ size = tmp & MXPS;
+ }
+ }
+
+ return size;
+}
+
+static inline unsigned short mbw_value(struct r8a66597 *r8a66597)
+{
+ if (r8a66597->pdata->on_chip)
+ return MBW_32;
+ else
+ return MBW_16;
+}
+
+static inline void pipe_change(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ struct r8a66597_ep *ep = r8a66597->pipenum2ep[pipenum];
+
+ if (ep->use_dma)
+ return;
+
+ r8a66597_mdfy(r8a66597, pipenum, CURPIPE, ep->fifosel);
+
+ ndelay(450);
+
+ r8a66597_bset(r8a66597, mbw_value(r8a66597), ep->fifosel);
+}
+
+static int pipe_buffer_setting(struct r8a66597 *r8a66597,
+ struct r8a66597_pipe_info *info)
+{
+ u16 bufnum = 0, buf_bsize = 0;
+ u16 pipecfg = 0;
+
+ if (info->pipe == 0)
+ return -EINVAL;
+
+ r8a66597_write(r8a66597, info->pipe, PIPESEL);
+
+ if (info->dir_in)
+ pipecfg |= R8A66597_DIR;
+ pipecfg |= info->type;
+ pipecfg |= info->epnum;
+ switch (info->type) {
+ case R8A66597_INT:
+ bufnum = 4 + (info->pipe - R8A66597_BASE_PIPENUM_INT);
+ buf_bsize = 0;
+ break;
+ case R8A66597_BULK:
+ bufnum = r8a66597->bi_bufnum +
+ (info->pipe - R8A66597_BASE_PIPENUM_BULK) * 16;
+ r8a66597->bi_bufnum += 16;
+ buf_bsize = 7;
+ pipecfg |= R8A66597_DBLB;
+ if (!info->dir_in)
+ pipecfg |= R8A66597_SHTNAK;
+ break;
+ case R8A66597_ISO:
+ bufnum = r8a66597->bi_bufnum +
+ (info->pipe - R8A66597_BASE_PIPENUM_ISOC) * 16;
+ r8a66597->bi_bufnum += 16;
+ buf_bsize = 7;
+ break;
+ }
+ if (r8a66597->bi_bufnum > R8A66597_MAX_BUFNUM) {
+ printk(KERN_ERR "r8a66597 pipe memory is insufficient(%d)\n",
+ r8a66597->bi_bufnum);
+ return -ENOMEM;
+ }
+
+ r8a66597_write(r8a66597, pipecfg, PIPECFG);
+ r8a66597_write(r8a66597, (buf_bsize << 10) | (bufnum), PIPEBUF);
+ r8a66597_write(r8a66597, info->maxpacket, PIPEMAXP);
+ if (info->interval)
+ info->interval--;
+ r8a66597_write(r8a66597, info->interval, PIPEPERI);
+
+ return 0;
+}
+
+static void pipe_buffer_release(struct r8a66597 *r8a66597,
+ struct r8a66597_pipe_info *info)
+{
+ if (info->pipe == 0)
+ return;
+
+ switch (info->type) {
+ case R8A66597_BULK:
+ if (is_bulk_pipe(info->pipe))
+ r8a66597->bi_bufnum -= 16;
+ break;
+ case R8A66597_ISO:
+ if (is_isoc_pipe(info->pipe))
+ r8a66597->bi_bufnum -= 16;
+ break;
+ }
+
+ if (is_bulk_pipe(info->pipe))
+ r8a66597->bulk--;
+ else if (is_interrupt_pipe(info->pipe))
+ r8a66597->interrupt--;
+ else if (is_isoc_pipe(info->pipe)) {
+ r8a66597->isochronous--;
+ if (info->type == R8A66597_BULK)
+ r8a66597->bulk--;
+ } else
+ printk(KERN_ERR "ep_release: unexpect pipenum (%d)\n",
+ info->pipe);
+}
+
+static void pipe_initialize(struct r8a66597_ep *ep)
+{
+ struct r8a66597 *r8a66597 = ep->r8a66597;
+
+ r8a66597_mdfy(r8a66597, 0, CURPIPE, ep->fifosel);
+
+ r8a66597_write(r8a66597, ACLRM, ep->pipectr);
+ r8a66597_write(r8a66597, 0, ep->pipectr);
+ r8a66597_write(r8a66597, SQCLR, ep->pipectr);
+ if (ep->use_dma) {
+ r8a66597_mdfy(r8a66597, ep->pipenum, CURPIPE, ep->fifosel);
+
+ ndelay(450);
+
+ r8a66597_bset(r8a66597, mbw_value(r8a66597), ep->fifosel);
+ }
+}
+
+static void r8a66597_ep_setting(struct r8a66597 *r8a66597,
+ struct r8a66597_ep *ep,
+ const struct usb_endpoint_descriptor *desc,
+ u16 pipenum, int dma)
+{
+ ep->use_dma = 0;
+ ep->fifoaddr = CFIFO;
+ ep->fifosel = CFIFOSEL;
+ ep->fifoctr = CFIFOCTR;
+ ep->fifotrn = 0;
+
+ ep->pipectr = get_pipectr_addr(pipenum);
+ ep->pipenum = pipenum;
+ ep->ep.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ r8a66597->pipenum2ep[pipenum] = ep;
+ r8a66597->epaddr2ep[desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK]
+ = ep;
+ INIT_LIST_HEAD(&ep->queue);
+}
+
+static void r8a66597_ep_release(struct r8a66597_ep *ep)
+{
+ struct r8a66597 *r8a66597 = ep->r8a66597;
+ u16 pipenum = ep->pipenum;
+
+ if (pipenum == 0)
+ return;
+
+ if (ep->use_dma)
+ r8a66597->num_dma--;
+ ep->pipenum = 0;
+ ep->busy = 0;
+ ep->use_dma = 0;
+}
+
+static int alloc_pipe_config(struct r8a66597_ep *ep,
+ const struct usb_endpoint_descriptor *desc)
+{
+ struct r8a66597 *r8a66597 = ep->r8a66597;
+ struct r8a66597_pipe_info info;
+ int dma = 0;
+ unsigned char *counter;
+ int ret;
+
+ ep->desc = desc;
+
+ if (ep->pipenum) /* already allocated pipe */
+ return 0;
+
+ switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
+ case USB_ENDPOINT_XFER_BULK:
+ if (r8a66597->bulk >= R8A66597_MAX_NUM_BULK) {
+ if (r8a66597->isochronous >= R8A66597_MAX_NUM_ISOC) {
+ printk(KERN_ERR "bulk pipe is insufficient\n");
+ return -ENODEV;
+ } else {
+ info.pipe = R8A66597_BASE_PIPENUM_ISOC
+ + r8a66597->isochronous;
+ counter = &r8a66597->isochronous;
+ }
+ } else {
+ info.pipe = R8A66597_BASE_PIPENUM_BULK + r8a66597->bulk;
+ counter = &r8a66597->bulk;
+ }
+ info.type = R8A66597_BULK;
+ dma = 1;
+ break;
+ case USB_ENDPOINT_XFER_INT:
+ if (r8a66597->interrupt >= R8A66597_MAX_NUM_INT) {
+ printk(KERN_ERR "interrupt pipe is insufficient\n");
+ return -ENODEV;
+ }
+ info.pipe = R8A66597_BASE_PIPENUM_INT + r8a66597->interrupt;
+ info.type = R8A66597_INT;
+ counter = &r8a66597->interrupt;
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ if (r8a66597->isochronous >= R8A66597_MAX_NUM_ISOC) {
+ printk(KERN_ERR "isochronous pipe is insufficient\n");
+ return -ENODEV;
+ }
+ info.pipe = R8A66597_BASE_PIPENUM_ISOC + r8a66597->isochronous;
+ info.type = R8A66597_ISO;
+ counter = &r8a66597->isochronous;
+ break;
+ default:
+ printk(KERN_ERR "unexpect xfer type\n");
+ return -EINVAL;
+ }
+ ep->type = info.type;
+
+ info.epnum = desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
+ info.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ info.interval = desc->bInterval;
+ if (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
+ info.dir_in = 1;
+ else
+ info.dir_in = 0;
+
+ ret = pipe_buffer_setting(r8a66597, &info);
+ if (ret < 0) {
+ printk(KERN_ERR "pipe_buffer_setting fail\n");
+ return ret;
+ }
+
+ (*counter)++;
+ if ((counter == &r8a66597->isochronous) && info.type == R8A66597_BULK)
+ r8a66597->bulk++;
+
+ r8a66597_ep_setting(r8a66597, ep, desc, info.pipe, dma);
+ pipe_initialize(ep);
+
+ return 0;
+}
+
+static int free_pipe_config(struct r8a66597_ep *ep)
+{
+ struct r8a66597 *r8a66597 = ep->r8a66597;
+ struct r8a66597_pipe_info info;
+
+ info.pipe = ep->pipenum;
+ info.type = ep->type;
+ pipe_buffer_release(r8a66597, &info);
+ r8a66597_ep_release(ep);
+
+ return 0;
+}
+
+/*-------------------------------------------------------------------------*/
+static void pipe_irq_enable(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ enable_irq_ready(r8a66597, pipenum);
+ enable_irq_nrdy(r8a66597, pipenum);
+}
+
+static void pipe_irq_disable(struct r8a66597 *r8a66597, u16 pipenum)
+{
+ disable_irq_ready(r8a66597, pipenum);
+ disable_irq_nrdy(r8a66597, pipenum);
+}
+
+/* if complete is true, gadget driver complete function is not call */
+static void control_end(struct r8a66597 *r8a66597, unsigned ccpl)
+{
+ r8a66597->ep[0].internal_ccpl = ccpl;
+ pipe_start(r8a66597, 0);
+ r8a66597_bset(r8a66597, CCPL, DCPCTR);
+}
+
+static void start_ep0_write(struct r8a66597_ep *ep,
+ struct r8a66597_request *req)
+{
+ struct r8a66597 *r8a66597 = ep->r8a66597;
+
+ pipe_change(r8a66597, ep->pipenum);
+ r8a66597_mdfy(r8a66597, ISEL, (ISEL | CURPIPE), CFIFOSEL);
+ r8a66597_write(r8a66597, BCLR, ep->fifoctr);
+ if (req->req.length == 0) {
+ r8a66597_bset(r8a66597, BVAL, ep->fifoctr);
+ pipe_start(r8a66597, 0);
+ transfer_complete(ep, req, 0);
+ } else {
+ r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
+ irq_ep0_write(ep, req);
+ }
+}
+
+static void start_packet_write(struct r8a66597_ep *ep,
+ struct r8a66597_request *req)
+{
+ struct r8a66597 *r8a66597 = ep->r8a66597;
+ u16 tmp;
+
+ pipe_change(r8a66597, ep->pipenum);
+ disable_irq_empty(r8a66597, ep->pipenum);
+ pipe_start(r8a66597, ep->pipenum);
+
+ tmp = r8a66597_read(r8a66597, ep->fifoctr);
+ if (unlikely((tmp & FRDY) == 0))
+ pipe_irq_enable(r8a66597, ep->pipenum);
+ else
+ irq_packet_write(ep, req);
+}
+
+static void start_packet_read(struct r8a66597_ep *ep,
+ struct r8a66597_request *req)
+{
+ struct r8a66597 *r8a66597 = ep->r8a66597;
+ u16 pipenum = ep->pipenum;
+
+ if (ep->pipenum == 0) {
+ r8a66597_mdfy(r8a66597, 0, (ISEL | CURPIPE), CFIFOSEL);
+ r8a66597_write(r8a66597, BCLR, ep->fifoctr);
+ pipe_start(r8a66597, pipenum);
+ pipe_irq_enable(r8a66597, pipenum);
+ } else {
+ if (ep->use_dma) {
+ r8a66597_bset(r8a66597, TRCLR, ep->fifosel);
+ pipe_change(r8a66597, pipenum);
+ r8a66597_bset(r8a66597, TRENB, ep->fifosel);
+ r8a66597_write(r8a66597,
+ (req->req.length + ep->ep.maxpacket - 1)
+ / ep->ep.maxpacket,
+ ep->fifotrn);
+ }
+ pipe_start(r8a66597, pipenum); /* trigger once */
+ pipe_irq_enable(r8a66597, pipenum);
+ }
+}
+
+static void start_packet(struct r8a66597_ep *ep, struct r8a66597_request *req)
+{
+ if (ep->desc->bEndpointAddress & USB_DIR_IN)
+ start_packet_write(ep, req);
+ else
+ start_packet_read(ep, req);
+}
+
+static void start_ep0(struct r8a66597_ep *ep, struct r8a66597_request *req)
+{
+ u16 ctsq;
+
+ ctsq = r8a66597_read(ep->r8a66597, INTSTS0) & CTSQ;
+
+ switch (ctsq) {
+ case CS_RDDS:
+ start_ep0_write(ep, req);
+ break;
+ case CS_WRDS:
+ start_packet_read(ep, req);
+ break;
+
+ case CS_WRND:
+ control_end(ep->r8a66597, 0);
+ break;
+ default:
+ printk(KERN_ERR "start_ep0: unexpect ctsq(%x)\n", ctsq);
+ break;
+ }
+}
+
+static void init_controller(struct r8a66597 *r8a66597)
+{
+ u16 vif = r8a66597->pdata->vif ? LDRV : 0;
+ u16 irq_sense = r8a66597->irq_sense_low ? INTL : 0;
+ u16 endian = r8a66597->pdata->endian ? BIGEND : 0;
+
+ if (r8a66597->pdata->on_chip) {
+ r8a66597_bset(r8a66597, 0x04, SYSCFG1);
+ r8a66597_bset(r8a66597, HSE, SYSCFG0);
+
+ r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+ r8a66597_bclr(r8a66597, DPRPU, SYSCFG0);
+ r8a66597_bset(r8a66597, USBE, SYSCFG0);
+
+ r8a66597_bset(r8a66597, SCKE, SYSCFG0);
+
+ r8a66597_bset(r8a66597, irq_sense, INTENB1);
+ r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR,
+ DMA0CFG);
+ } else {
+ r8a66597_bset(r8a66597, vif | endian, PINCFG);
+ r8a66597_bset(r8a66597, HSE, SYSCFG0); /* High spd */
+ r8a66597_mdfy(r8a66597, get_xtal_from_pdata(r8a66597->pdata),
+ XTAL, SYSCFG0);
+
+ r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+ r8a66597_bclr(r8a66597, DPRPU, SYSCFG0);
+ r8a66597_bset(r8a66597, USBE, SYSCFG0);
+
+ r8a66597_bset(r8a66597, XCKE, SYSCFG0);
+
+ msleep(3);
+
+ r8a66597_bset(r8a66597, PLLC, SYSCFG0);
+
+ msleep(1);
+
+ r8a66597_bset(r8a66597, SCKE, SYSCFG0);
+
+ r8a66597_bset(r8a66597, irq_sense, INTENB1);
+ r8a66597_write(r8a66597, BURST | CPU_ADR_RD_WR,
+ DMA0CFG);
+ }
+}
+
+static void disable_controller(struct r8a66597 *r8a66597)
+{
+ if (r8a66597->pdata->on_chip) {
+ r8a66597_bset(r8a66597, SCKE, SYSCFG0);
+
+ r8a66597_write(r8a66597, 0, INTENB0);
+ r8a66597_write(r8a66597, 0, INTENB1);
+
+ r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+ r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
+
+ } else {
+ r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
+ udelay(1);
+ r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
+ udelay(1);
+ udelay(1);
+ r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
+ }
+}
+
+static void r8a66597_start_xclock(struct r8a66597 *r8a66597)
+{
+ u16 tmp;
+
+ if (!r8a66597->pdata->on_chip) {
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (!(tmp & XCKE))
+ r8a66597_bset(r8a66597, XCKE, SYSCFG0);
+ }
+}
+
+static struct r8a66597_request *get_request_from_ep(struct r8a66597_ep *ep)
+{
+ return list_entry(ep->queue.next, struct r8a66597_request, queue);
+}
+
+/*-------------------------------------------------------------------------*/
+static void transfer_complete(struct r8a66597_ep *ep,
+ struct r8a66597_request *req, int status)
+__releases(r8a66597->lock)
+__acquires(r8a66597->lock)
+{
+ int restart = 0;
+
+ if (unlikely(ep->pipenum == 0)) {
+ if (ep->internal_ccpl) {
+ ep->internal_ccpl = 0;
+ return;
+ }
+ }
+
+ list_del_init(&req->queue);
+ if (ep->r8a66597->gadget.speed == USB_SPEED_UNKNOWN)
+ req->req.status = -ESHUTDOWN;
+ else
+ req->req.status = status;
+
+ if (!list_empty(&ep->queue))
+ restart = 1;
+
+ spin_unlock(&ep->r8a66597->lock);
+ req->req.complete(&ep->ep, &req->req);
+ spin_lock(&ep->r8a66597->lock);
+
+ if (restart) {
+ req = get_request_from_ep(ep);
+ if (ep->desc)
+ start_packet(ep, req);
+ }
+}
+
+static void irq_ep0_write(struct r8a66597_ep *ep, struct r8a66597_request *req)
+{
+ int i;
+ u16 tmp;
+ unsigned bufsize;
+ size_t size;
+ void *buf;
+ u16 pipenum = ep->pipenum;
+ struct r8a66597 *r8a66597 = ep->r8a66597;
+
+ pipe_change(r8a66597, pipenum);
+ r8a66597_bset(r8a66597, ISEL, ep->fifosel);
+
+ i = 0;
+ do {
+ tmp = r8a66597_read(r8a66597, ep->fifoctr);
+ if (i++ > 100000) {
+ printk(KERN_ERR "pipe0 is busy. maybe cpu i/o bus"
+ "conflict. please power off this controller.");
+ return;
+ }
+ ndelay(1);
+ } while ((tmp & FRDY) == 0);
+
+ /* prepare parameters */
+ bufsize = get_buffer_size(r8a66597, pipenum);
+ buf = req->req.buf + req->req.actual;
+ size = min(bufsize, req->req.length - req->req.actual);
+
+ /* write fifo */
+ if (req->req.buf) {
+ if (size > 0)
+ r8a66597_write_fifo(r8a66597, ep->fifoaddr, buf, size);
+ if ((size == 0) || ((size % ep->ep.maxpacket) != 0))
+ r8a66597_bset(r8a66597, BVAL, ep->fifoctr);
+ }
+
+ /* update parameters */
+ req->req.actual += size;
+
+ /* check transfer finish */
+ if ((!req->req.zero && (req->req.actual == req->req.length))
+ || (size % ep->ep.maxpacket)
+ || (size == 0)) {
+ disable_irq_ready(r8a66597, pipenum);
+ disable_irq_empty(r8a66597, pipenum);
+ } else {
+ disable_irq_ready(r8a66597, pipenum);
+ enable_irq_empty(r8a66597, pipenum);
+ }
+ pipe_start(r8a66597, pipenum);
+}
+
+static void irq_packet_write(struct r8a66597_ep *ep,
+ struct r8a66597_request *req)
+{
+ u16 tmp;
+ unsigned bufsize;
+ size_t size;
+ void *buf;
+ u16 pipenum = ep->pipenum;
+ struct r8a66597 *r8a66597 = ep->r8a66597;
+
+ pipe_change(r8a66597, pipenum);
+ tmp = r8a66597_read(r8a66597, ep->fifoctr);
+ if (unlikely((tmp & FRDY) == 0)) {
+ pipe_stop(r8a66597, pipenum);
+ pipe_irq_disable(r8a66597, pipenum);
+ printk(KERN_ERR "write fifo not ready. pipnum=%d\n", pipenum);
+ return;
+ }
+
+ /* prepare parameters */
+ bufsize = get_buffer_size(r8a66597, pipenum);
+ buf = req->req.buf + req->req.actual;
+ size = min(bufsize, req->req.length - req->req.actual);
+
+ /* write fifo */
+ if (req->req.buf) {
+ r8a66597_write_fifo(r8a66597, ep->fifoaddr, buf, size);
+ if ((size == 0)
+ || ((size % ep->ep.maxpacket) != 0)
+ || ((bufsize != ep->ep.maxpacket)
+ && (bufsize > size)))
+ r8a66597_bset(r8a66597, BVAL, ep->fifoctr);
+ }
+
+ /* update parameters */
+ req->req.actual += size;
+ /* check transfer finish */
+ if ((!req->req.zero && (req->req.actual == req->req.length))
+ || (size % ep->ep.maxpacket)
+ || (size == 0)) {
+ disable_irq_ready(r8a66597, pipenum);
+ enable_irq_empty(r8a66597, pipenum);
+ } else {
+ disable_irq_empty(r8a66597, pipenum);
+ pipe_irq_enable(r8a66597, pipenum);
+ }
+}
+
+static void irq_packet_read(struct r8a66597_ep *ep,
+ struct r8a66597_request *req)
+{
+ u16 tmp;
+ int rcv_len, bufsize, req_len;
+ int size;
+ void *buf;
+ u16 pipenum = ep->pipenum;
+ struct r8a66597 *r8a66597 = ep->r8a66597;
+ int finish = 0;
+
+ pipe_change(r8a66597, pipenum);
+ tmp = r8a66597_read(r8a66597, ep->fifoctr);
+ if (unlikely((tmp & FRDY) == 0)) {
+ req->req.status = -EPIPE;
+ pipe_stop(r8a66597, pipenum);
+ pipe_irq_disable(r8a66597, pipenum);
+ printk(KERN_ERR "read fifo not ready");
+ return;
+ }
+
+ /* prepare parameters */
+ rcv_len = tmp & DTLN;
+ bufsize = get_buffer_size(r8a66597, pipenum);
+
+ buf = req->req.buf + req->req.actual;
+ req_len = req->req.length - req->req.actual;
+ if (rcv_len < bufsize)
+ size = min(rcv_len, req_len);
+ else
+ size = min(bufsize, req_len);
+
+ /* update parameters */
+ req->req.actual += size;
+
+ /* check transfer finish */
+ if ((!req->req.zero && (req->req.actual == req->req.length))
+ || (size % ep->ep.maxpacket)
+ || (size == 0)) {
+ pipe_stop(r8a66597, pipenum);
+ pipe_irq_disable(r8a66597, pipenum);
+ finish = 1;
+ }
+
+ /* read fifo */
+ if (req->req.buf) {
+ if (size == 0)
+ r8a66597_write(r8a66597, BCLR, ep->fifoctr);
+ else
+ r8a66597_read_fifo(r8a66597, ep->fifoaddr, buf, size);
+
+ }
+
+ if ((ep->pipenum != 0) && finish)
+ transfer_complete(ep, req, 0);
+}
+
+static void irq_pipe_ready(struct r8a66597 *r8a66597, u16 status, u16 enb)
+{
+ u16 check;
+ u16 pipenum;
+ struct r8a66597_ep *ep;
+ struct r8a66597_request *req;
+
+ if ((status & BRDY0) && (enb & BRDY0)) {
+ r8a66597_write(r8a66597, ~BRDY0, BRDYSTS);
+ r8a66597_mdfy(r8a66597, 0, CURPIPE, CFIFOSEL);
+
+ ep = &r8a66597->ep[0];
+ req = get_request_from_ep(ep);
+ irq_packet_read(ep, req);
+ } else {
+ for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) {
+ check = 1 << pipenum;
+ if ((status & check) && (enb & check)) {
+ r8a66597_write(r8a66597, ~check, BRDYSTS);
+ ep = r8a66597->pipenum2ep[pipenum];
+ req = get_request_from_ep(ep);
+ if (ep->desc->bEndpointAddress & USB_DIR_IN)
+ irq_packet_write(ep, req);
+ else
+ irq_packet_read(ep, req);
+ }
+ }
+ }
+}
+
+static void irq_pipe_empty(struct r8a66597 *r8a66597, u16 status, u16 enb)
+{
+ u16 tmp;
+ u16 check;
+ u16 pipenum;
+ struct r8a66597_ep *ep;
+ struct r8a66597_request *req;
+
+ if ((status & BEMP0) && (enb & BEMP0)) {
+ r8a66597_write(r8a66597, ~BEMP0, BEMPSTS);
+
+ ep = &r8a66597->ep[0];
+ req = get_request_from_ep(ep);
+ irq_ep0_write(ep, req);
+ } else {
+ for (pipenum = 1; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) {
+ check = 1 << pipenum;
+ if ((status & check) && (enb & check)) {
+ r8a66597_write(r8a66597, ~check, BEMPSTS);
+ tmp = control_reg_get(r8a66597, pipenum);
+ if ((tmp & INBUFM) == 0) {
+ disable_irq_empty(r8a66597, pipenum);
+ pipe_irq_disable(r8a66597, pipenum);
+ pipe_stop(r8a66597, pipenum);
+ ep = r8a66597->pipenum2ep[pipenum];
+ req = get_request_from_ep(ep);
+ if (!list_empty(&ep->queue))
+ transfer_complete(ep, req, 0);
+ }
+ }
+ }
+ }
+}
+
+static void get_status(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
+__releases(r8a66597->lock)
+__acquires(r8a66597->lock)
+{
+ struct r8a66597_ep *ep;
+ u16 pid;
+ u16 status = 0;
+ u16 w_index = le16_to_cpu(ctrl->wIndex);
+
+ switch (ctrl->bRequestType & USB_RECIP_MASK) {
+ case USB_RECIP_DEVICE:
+ status = 1 << USB_DEVICE_SELF_POWERED;
+ break;
+ case USB_RECIP_INTERFACE:
+ status = 0;
+ break;
+ case USB_RECIP_ENDPOINT:
+ ep = r8a66597->epaddr2ep[w_index & USB_ENDPOINT_NUMBER_MASK];
+ pid = control_reg_get_pid(r8a66597, ep->pipenum);
+ if (pid == PID_STALL)
+ status = 1 << USB_ENDPOINT_HALT;
+ else
+ status = 0;
+ break;
+ default:
+ pipe_stall(r8a66597, 0);
+ return; /* exit */
+ }
+
+ r8a66597->ep0_data = cpu_to_le16(status);
+ r8a66597->ep0_req->buf = &r8a66597->ep0_data;
+ r8a66597->ep0_req->length = 2;
+ /* AV: what happens if we get called again before that gets through? */
+ spin_unlock(&r8a66597->lock);
+ r8a66597_queue(r8a66597->gadget.ep0, r8a66597->ep0_req, GFP_KERNEL);
+ spin_lock(&r8a66597->lock);
+}
+
+static void clear_feature(struct r8a66597 *r8a66597,
+ struct usb_ctrlrequest *ctrl)
+{
+ switch (ctrl->bRequestType & USB_RECIP_MASK) {
+ case USB_RECIP_DEVICE:
+ control_end(r8a66597, 1);
+ break;
+ case USB_RECIP_INTERFACE:
+ control_end(r8a66597, 1);
+ break;
+ case USB_RECIP_ENDPOINT: {
+ struct r8a66597_ep *ep;
+ struct r8a66597_request *req;
+ u16 w_index = le16_to_cpu(ctrl->wIndex);
+
+ ep = r8a66597->epaddr2ep[w_index & USB_ENDPOINT_NUMBER_MASK];
+ pipe_stop(r8a66597, ep->pipenum);
+ control_reg_sqclr(r8a66597, ep->pipenum);
+
+ control_end(r8a66597, 1);
+
+ req = get_request_from_ep(ep);
+ if (ep->busy) {
+ ep->busy = 0;
+ if (list_empty(&ep->queue))
+ break;
+ start_packet(ep, req);
+ } else if (!list_empty(&ep->queue))
+ pipe_start(r8a66597, ep->pipenum);
+ }
+ break;
+ default:
+ pipe_stall(r8a66597, 0);
+ break;
+ }
+}
+
+static void set_feature(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
+{
+
+ switch (ctrl->bRequestType & USB_RECIP_MASK) {
+ case USB_RECIP_DEVICE:
+ control_end(r8a66597, 1);
+ break;
+ case USB_RECIP_INTERFACE:
+ control_end(r8a66597, 1);
+ break;
+ case USB_RECIP_ENDPOINT: {
+ struct r8a66597_ep *ep;
+ u16 w_index = le16_to_cpu(ctrl->wIndex);
+
+ ep = r8a66597->epaddr2ep[w_index & USB_ENDPOINT_NUMBER_MASK];
+ pipe_stall(r8a66597, ep->pipenum);
+
+ control_end(r8a66597, 1);
+ }
+ break;
+ default:
+ pipe_stall(r8a66597, 0);
+ break;
+ }
+}
+
+/* if return value is true, call class driver's setup() */
+static int setup_packet(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
+{
+ u16 *p = (u16 *)ctrl;
+ unsigned long offset = USBREQ;
+ int i, ret = 0;
+
+ /* read fifo */
+ r8a66597_write(r8a66597, ~VALID, INTSTS0);
+
+ for (i = 0; i < 4; i++)
+ p[i] = r8a66597_read(r8a66597, offset + i*2);
+
+ /* check request */
+ if ((ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) {
+ switch (ctrl->bRequest) {
+ case USB_REQ_GET_STATUS:
+ get_status(r8a66597, ctrl);
+ break;
+ case USB_REQ_CLEAR_FEATURE:
+ clear_feature(r8a66597, ctrl);
+ break;
+ case USB_REQ_SET_FEATURE:
+ set_feature(r8a66597, ctrl);
+ break;
+ default:
+ ret = 1;
+ break;
+ }
+ } else
+ ret = 1;
+ return ret;
+}
+
+static void r8a66597_update_usb_speed(struct r8a66597 *r8a66597)
+{
+ u16 speed = get_usb_speed(r8a66597);
+
+ switch (speed) {
+ case HSMODE:
+ r8a66597->gadget.speed = USB_SPEED_HIGH;
+ break;
+ case FSMODE:
+ r8a66597->gadget.speed = USB_SPEED_FULL;
+ break;
+ default:
+ r8a66597->gadget.speed = USB_SPEED_UNKNOWN;
+ printk(KERN_ERR "USB speed unknown\n");
+ }
+}
+
+static void irq_device_state(struct r8a66597 *r8a66597)
+{
+ u16 dvsq;
+
+ dvsq = r8a66597_read(r8a66597, INTSTS0) & DVSQ;
+ r8a66597_write(r8a66597, ~DVST, INTSTS0);
+
+ if (dvsq == DS_DFLT) {
+ /* bus reset */
+ r8a66597->driver->disconnect(&r8a66597->gadget);
+ r8a66597_update_usb_speed(r8a66597);
+ }
+ if (r8a66597->old_dvsq == DS_CNFG && dvsq != DS_CNFG)
+ r8a66597_update_usb_speed(r8a66597);
+ if ((dvsq == DS_CNFG || dvsq == DS_ADDS)
+ && r8a66597->gadget.speed == USB_SPEED_UNKNOWN)
+ r8a66597_update_usb_speed(r8a66597);
+
+ r8a66597->old_dvsq = dvsq;
+}
+
+static void irq_control_stage(struct r8a66597 *r8a66597)
+__releases(r8a66597->lock)
+__acquires(r8a66597->lock)
+{
+ struct usb_ctrlrequest ctrl;
+ u16 ctsq;
+
+ ctsq = r8a66597_read(r8a66597, INTSTS0) & CTSQ;
+ r8a66597_write(r8a66597, ~CTRT, INTSTS0);
+
+ switch (ctsq) {
+ case CS_IDST: {
+ struct r8a66597_ep *ep;
+ struct r8a66597_request *req;
+ ep = &r8a66597->ep[0];
+ req = get_request_from_ep(ep);
+ transfer_complete(ep, req, 0);
+ }
+ break;
+
+ case CS_RDDS:
+ case CS_WRDS:
+ case CS_WRND:
+ if (setup_packet(r8a66597, &ctrl)) {
+ spin_unlock(&r8a66597->lock);
+ if (r8a66597->driver->setup(&r8a66597->gadget, &ctrl)
+ < 0)
+ pipe_stall(r8a66597, 0);
+ spin_lock(&r8a66597->lock);
+ }
+ break;
+ case CS_RDSS:
+ case CS_WRSS:
+ control_end(r8a66597, 0);
+ break;
+ default:
+ printk(KERN_ERR "ctrl_stage: unexpect ctsq(%x)\n", ctsq);
+ break;
+ }
+}
+
+static irqreturn_t r8a66597_irq(int irq, void *_r8a66597)
+{
+ struct r8a66597 *r8a66597 = _r8a66597;
+ u16 intsts0;
+ u16 intenb0;
+ u16 brdysts, nrdysts, bempsts;
+ u16 brdyenb, nrdyenb, bempenb;
+ u16 savepipe;
+ u16 mask0;
+
+ spin_lock(&r8a66597->lock);
+
+ intsts0 = r8a66597_read(r8a66597, INTSTS0);
+ intenb0 = r8a66597_read(r8a66597, INTENB0);
+
+ savepipe = r8a66597_read(r8a66597, CFIFOSEL);
+
+ mask0 = intsts0 & intenb0;
+ if (mask0) {
+ brdysts = r8a66597_read(r8a66597, BRDYSTS);
+ nrdysts = r8a66597_read(r8a66597, NRDYSTS);
+ bempsts = r8a66597_read(r8a66597, BEMPSTS);
+ brdyenb = r8a66597_read(r8a66597, BRDYENB);
+ nrdyenb = r8a66597_read(r8a66597, NRDYENB);
+ bempenb = r8a66597_read(r8a66597, BEMPENB);
+
+ if (mask0 & VBINT) {
+ r8a66597_write(r8a66597, 0xffff & ~VBINT,
+ INTSTS0);
+ r8a66597_start_xclock(r8a66597);
+
+ /* start vbus sampling */
+ r8a66597->old_vbus = r8a66597_read(r8a66597, INTSTS0)
+ & VBSTS;
+ r8a66597->scount = R8A66597_MAX_SAMPLING;
+
+ mod_timer(&r8a66597->timer,
+ jiffies + msecs_to_jiffies(50));
+ }
+ if (intsts0 & DVSQ)
+ irq_device_state(r8a66597);
+
+ if ((intsts0 & BRDY) && (intenb0 & BRDYE)
+ && (brdysts & brdyenb))
+ irq_pipe_ready(r8a66597, brdysts, brdyenb);
+ if ((intsts0 & BEMP) && (intenb0 & BEMPE)
+ && (bempsts & bempenb))
+ irq_pipe_empty(r8a66597, bempsts, bempenb);
+
+ if (intsts0 & CTRT)
+ irq_control_stage(r8a66597);
+ }
+
+ r8a66597_write(r8a66597, savepipe, CFIFOSEL);
+
+ spin_unlock(&r8a66597->lock);
+ return IRQ_HANDLED;
+}
+
+static void r8a66597_timer(unsigned long _r8a66597)
+{
+ struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597;
+ unsigned long flags;
+ u16 tmp;
+
+ spin_lock_irqsave(&r8a66597->lock, flags);
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (r8a66597->scount > 0) {
+ tmp = r8a66597_read(r8a66597, INTSTS0) & VBSTS;
+ if (tmp == r8a66597->old_vbus) {
+ r8a66597->scount--;
+ if (r8a66597->scount == 0) {
+ if (tmp == VBSTS)
+ r8a66597_usb_connect(r8a66597);
+ else
+ r8a66597_usb_disconnect(r8a66597);
+ } else {
+ mod_timer(&r8a66597->timer,
+ jiffies + msecs_to_jiffies(50));
+ }
+ } else {
+ r8a66597->scount = R8A66597_MAX_SAMPLING;
+ r8a66597->old_vbus = tmp;
+ mod_timer(&r8a66597->timer,
+ jiffies + msecs_to_jiffies(50));
+ }
+ }
+ spin_unlock_irqrestore(&r8a66597->lock, flags);
+}
+
+/*-------------------------------------------------------------------------*/
+static int r8a66597_enable(struct usb_ep *_ep,
+ const struct usb_endpoint_descriptor *desc)
+{
+ struct r8a66597_ep *ep;
+
+ ep = container_of(_ep, struct r8a66597_ep, ep);
+ return alloc_pipe_config(ep, desc);
+}
+
+static int r8a66597_disable(struct usb_ep *_ep)
+{
+ struct r8a66597_ep *ep;
+ struct r8a66597_request *req;
+ unsigned long flags;
+
+ ep = container_of(_ep, struct r8a66597_ep, ep);
+ BUG_ON(!ep);
+
+ while (!list_empty(&ep->queue)) {
+ req = get_request_from_ep(ep);
+ spin_lock_irqsave(&ep->r8a66597->lock, flags);
+ transfer_complete(ep, req, -ECONNRESET);
+ spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
+ }
+
+ pipe_irq_disable(ep->r8a66597, ep->pipenum);
+ return free_pipe_config(ep);
+}
+
+static struct usb_request *r8a66597_alloc_request(struct usb_ep *_ep,
+ gfp_t gfp_flags)
+{
+ struct r8a66597_request *req;
+
+ req = kzalloc(sizeof(struct r8a66597_request), gfp_flags);
+ if (!req)
+ return NULL;
+
+ INIT_LIST_HEAD(&req->queue);
+
+ return &req->req;
+}
+
+static void r8a66597_free_request(struct usb_ep *_ep, struct usb_request *_req)
+{
+ struct r8a66597_request *req;
+
+ req = container_of(_req, struct r8a66597_request, req);
+ kfree(req);
+}
+
+static int r8a66597_queue(struct usb_ep *_ep, struct usb_request *_req,
+ gfp_t gfp_flags)
+{
+ struct r8a66597_ep *ep;
+ struct r8a66597_request *req;
+ unsigned long flags;
+ int request = 0;
+
+ ep = container_of(_ep, struct r8a66597_ep, ep);
+ req = container_of(_req, struct r8a66597_request, req);
+
+ if (ep->r8a66597->gadget.speed == USB_SPEED_UNKNOWN)
+ return -ESHUTDOWN;
+
+ spin_lock_irqsave(&ep->r8a66597->lock, flags);
+
+ if (list_empty(&ep->queue))
+ request = 1;
+
+ list_add_tail(&req->queue, &ep->queue);
+ req->req.actual = 0;
+ req->req.status = -EINPROGRESS;
+
+ if (ep->desc == NULL) /* control */
+ start_ep0(ep, req);
+ else {
+ if (request && !ep->busy)
+ start_packet(ep, req);
+ }
+
+ spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
+
+ return 0;
+}
+
+static int r8a66597_dequeue(struct usb_ep *_ep, struct usb_request *_req)
+{
+ struct r8a66597_ep *ep;
+ struct r8a66597_request *req;
+ unsigned long flags;
+
+ ep = container_of(_ep, struct r8a66597_ep, ep);
+ req = container_of(_req, struct r8a66597_request, req);
+
+ spin_lock_irqsave(&ep->r8a66597->lock, flags);
+ if (!list_empty(&ep->queue))
+ transfer_complete(ep, req, -ECONNRESET);
+ spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
+
+ return 0;
+}
+
+static int r8a66597_set_halt(struct usb_ep *_ep, int value)
+{
+ struct r8a66597_ep *ep;
+ struct r8a66597_request *req;
+ unsigned long flags;
+ int ret = 0;
+
+ ep = container_of(_ep, struct r8a66597_ep, ep);
+ req = get_request_from_ep(ep);
+
+ spin_lock_irqsave(&ep->r8a66597->lock, flags);
+ if (!list_empty(&ep->queue)) {
+ ret = -EAGAIN;
+ goto out;
+ }
+ if (value) {
+ ep->busy = 1;
+ pipe_stall(ep->r8a66597, ep->pipenum);
+ } else {
+ ep->busy = 0;
+ pipe_stop(ep->r8a66597, ep->pipenum);
+ }
+
+out:
+ spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
+ return ret;
+}
+
+static void r8a66597_fifo_flush(struct usb_ep *_ep)
+{
+ struct r8a66597_ep *ep;
+ unsigned long flags;
+
+ ep = container_of(_ep, struct r8a66597_ep, ep);
+ spin_lock_irqsave(&ep->r8a66597->lock, flags);
+ if (list_empty(&ep->queue) && !ep->busy) {
+ pipe_stop(ep->r8a66597, ep->pipenum);
+ r8a66597_bclr(ep->r8a66597, BCLR, ep->fifoctr);
+ }
+ spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
+}
+
+static struct usb_ep_ops r8a66597_ep_ops = {
+ .enable = r8a66597_enable,
+ .disable = r8a66597_disable,
+
+ .alloc_request = r8a66597_alloc_request,
+ .free_request = r8a66597_free_request,
+
+ .queue = r8a66597_queue,
+ .dequeue = r8a66597_dequeue,
+
+ .set_halt = r8a66597_set_halt,
+ .fifo_flush = r8a66597_fifo_flush,
+};
+
+/*-------------------------------------------------------------------------*/
+static struct r8a66597 *the_controller;
+
+int usb_gadget_register_driver(struct usb_gadget_driver *driver)
+{
+ struct r8a66597 *r8a66597 = the_controller;
+ int retval;
+
+ if (!driver
+ || driver->speed != USB_SPEED_HIGH
+ || !driver->bind
+ || !driver->setup)
+ return -EINVAL;
+ if (!r8a66597)
+ return -ENODEV;
+ if (r8a66597->driver)
+ return -EBUSY;
+
+ /* hook up the driver */
+ driver->driver.bus = NULL;
+ r8a66597->driver = driver;
+ r8a66597->gadget.dev.driver = &driver->driver;
+
+ retval = device_add(&r8a66597->gadget.dev);
+ if (retval) {
+ printk(KERN_ERR "device_add error (%d)\n", retval);
+ goto error;
+ }
+
+ retval = driver->bind(&r8a66597->gadget);
+ if (retval) {
+ printk(KERN_ERR "bind to driver error (%d)\n", retval);
+ device_del(&r8a66597->gadget.dev);
+ goto error;
+ }
+
+ r8a66597_bset(r8a66597, VBSE, INTENB0);
+ if (r8a66597_read(r8a66597, INTSTS0) & VBSTS) {
+ r8a66597_start_xclock(r8a66597);
+ /* start vbus sampling */
+ r8a66597->old_vbus = r8a66597_read(r8a66597,
+ INTSTS0) & VBSTS;
+ r8a66597->scount = R8A66597_MAX_SAMPLING;
+ mod_timer(&r8a66597->timer, jiffies + msecs_to_jiffies(50));
+ }
+
+ return 0;
+
+error:
+ r8a66597->driver = NULL;
+ r8a66597->gadget.dev.driver = NULL;
+
+ return retval;
+}
+EXPORT_SYMBOL(usb_gadget_register_driver);
+
+int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+{
+ struct r8a66597 *r8a66597 = the_controller;
+ unsigned long flags;
+
+ if (driver != r8a66597->driver || !driver->unbind)
+ return -EINVAL;
+
+ spin_lock_irqsave(&r8a66597->lock, flags);
+ if (r8a66597->gadget.speed != USB_SPEED_UNKNOWN)
+ r8a66597_usb_disconnect(r8a66597);
+ spin_unlock_irqrestore(&r8a66597->lock, flags);
+
+ r8a66597_bclr(r8a66597, VBSE, INTENB0);
+
+ driver->unbind(&r8a66597->gadget);
+
+ init_controller(r8a66597);
+ disable_controller(r8a66597);
+
+ device_del(&r8a66597->gadget.dev);
+ r8a66597->driver = NULL;
+ return 0;
+}
+EXPORT_SYMBOL(usb_gadget_unregister_driver);
+
+/*-------------------------------------------------------------------------*/
+static int r8a66597_get_frame(struct usb_gadget *_gadget)
+{
+ struct r8a66597 *r8a66597 = gadget_to_r8a66597(_gadget);
+ return r8a66597_read(r8a66597, FRMNUM) & 0x03FF;
+}
+
+static struct usb_gadget_ops r8a66597_gadget_ops = {
+ .get_frame = r8a66597_get_frame,
+};
+
+static int __exit r8a66597_remove(struct platform_device *pdev)
+{
+ struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev);
+
+ del_timer_sync(&r8a66597->timer);
+ iounmap((void *)r8a66597->reg);
+ free_irq(platform_get_irq(pdev, 0), r8a66597);
+ r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req);
+ kfree(r8a66597);
+ return 0;
+}
+
+static void nop_completion(struct usb_ep *ep, struct usb_request *r)
+{
+}
+
+static int __init r8a66597_probe(struct platform_device *pdev)
+{
+ struct resource *res, *ires;
+ int irq;
+ void __iomem *reg = NULL;
+ struct r8a66597 *r8a66597 = NULL;
+ int ret = 0;
+ int i;
+ unsigned long irq_trigger;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ ret = -ENODEV;
+ printk(KERN_ERR "platform_get_resource error.\n");
+ goto clean_up;
+ }
+
+ ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ irq = ires->start;
+ irq_trigger = ires->flags & IRQF_TRIGGER_MASK;
+
+ if (irq < 0) {
+ ret = -ENODEV;
+ printk(KERN_ERR "platform_get_irq error.\n");
+ goto clean_up;
+ }
+
+ reg = ioremap(res->start, resource_size(res));
+ if (reg == NULL) {
+ ret = -ENOMEM;
+ printk(KERN_ERR "ioremap error.\n");
+ goto clean_up;
+ }
+
+ /* initialize ucd */
+ r8a66597 = kzalloc(sizeof(struct r8a66597), GFP_KERNEL);
+ if (r8a66597 == NULL) {
+ printk(KERN_ERR "kzalloc error\n");
+ goto clean_up;
+ }
+
+ spin_lock_init(&r8a66597->lock);
+ dev_set_drvdata(&pdev->dev, r8a66597);
+ r8a66597->pdata = pdev->dev.platform_data;
+ r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW;
+
+ r8a66597->gadget.ops = &r8a66597_gadget_ops;
+ device_initialize(&r8a66597->gadget.dev);
+ dev_set_name(&r8a66597->gadget.dev, "gadget");
+ r8a66597->gadget.is_dualspeed = 1;
+ r8a66597->gadget.dev.parent = &pdev->dev;
+ r8a66597->gadget.dev.dma_mask = pdev->dev.dma_mask;
+ r8a66597->gadget.dev.release = pdev->dev.release;
+ r8a66597->gadget.name = udc_name;
+
+ init_timer(&r8a66597->timer);
+ r8a66597->timer.function = r8a66597_timer;
+ r8a66597->timer.data = (unsigned long)r8a66597;
+ r8a66597->reg = (unsigned long)reg;
+
+ r8a66597->bi_bufnum = R8A66597_BASE_BUFNUM;
+
+ disable_controller(r8a66597); /* make sure controller is disabled */
+
+ ret = request_irq(irq, r8a66597_irq, IRQF_DISABLED | IRQF_SHARED,
+ udc_name, r8a66597);
+ if (ret < 0) {
+ printk(KERN_ERR "request_irq error (%d)\n", ret);
+ goto clean_up;
+ }
+
+ INIT_LIST_HEAD(&r8a66597->gadget.ep_list);
+ r8a66597->gadget.ep0 = &r8a66597->ep[0].ep;
+ INIT_LIST_HEAD(&r8a66597->gadget.ep0->ep_list);
+ for (i = 0; i < R8A66597_MAX_NUM_PIPE; i++) {
+ struct r8a66597_ep *ep = &r8a66597->ep[i];
+
+ if (i != 0) {
+ INIT_LIST_HEAD(&r8a66597->ep[i].ep.ep_list);
+ list_add_tail(&r8a66597->ep[i].ep.ep_list,
+ &r8a66597->gadget.ep_list);
+ }
+ ep->r8a66597 = r8a66597;
+ INIT_LIST_HEAD(&ep->queue);
+ ep->ep.name = r8a66597_ep_name[i];
+ ep->ep.ops = &r8a66597_ep_ops;
+ ep->ep.maxpacket = 512;
+ }
+ r8a66597->ep[0].ep.maxpacket = 64;
+ r8a66597->ep[0].pipenum = 0;
+ r8a66597->ep[0].fifoaddr = CFIFO;
+ r8a66597->ep[0].fifosel = CFIFOSEL;
+ r8a66597->ep[0].fifoctr = CFIFOCTR;
+ r8a66597->ep[0].fifotrn = 0;
+ r8a66597->ep[0].pipectr = get_pipectr_addr(0);
+ r8a66597->pipenum2ep[0] = &r8a66597->ep[0];
+ r8a66597->epaddr2ep[0] = &r8a66597->ep[0];
+
+ the_controller = r8a66597;
+
+ r8a66597->ep0_req = r8a66597_alloc_request(&r8a66597->ep[0].ep,
+ GFP_KERNEL);
+ if (r8a66597->ep0_req == NULL)
+ goto clean_up2;
+ r8a66597->ep0_req->complete = nop_completion;
+
+ init_controller(r8a66597);
+
+ dev_info(&pdev->dev, "version %s\n", DRIVER_VERSION);
+ return 0;
+
+clean_up2:
+ free_irq(irq, r8a66597);
+clean_up:
+ if (r8a66597) {
+ if (r8a66597->ep0_req)
+ r8a66597_free_request(&r8a66597->ep[0].ep,
+ r8a66597->ep0_req);
+ kfree(r8a66597);
+ }
+ if (reg)
+ iounmap(reg);
+
+ return ret;
+}
+
+/*-------------------------------------------------------------------------*/
+static struct platform_driver r8a66597_driver = {
+ .remove = __exit_p(r8a66597_remove),
+ .driver = {
+ .name = (char *) udc_name,
+ },
+};
+
+static int __init r8a66597_udc_init(void)
+{
+ return platform_driver_probe(&r8a66597_driver, r8a66597_probe);
+}
+module_init(r8a66597_udc_init);
+
+static void __exit r8a66597_udc_cleanup(void)
+{
+ platform_driver_unregister(&r8a66597_driver);
+}
+module_exit(r8a66597_udc_cleanup);
+
+MODULE_DESCRIPTION("R8A66597 USB gadget driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Yoshihiro Shimoda");
+
diff --git a/drivers/usb/gadget/r8a66597-udc.h b/drivers/usb/gadget/r8a66597-udc.h
new file mode 100644
index 000000000000..a2464bf337c8
--- /dev/null
+++ b/drivers/usb/gadget/r8a66597-udc.h
@@ -0,0 +1,249 @@
+/*
+ * R8A66597 UDC
+ *
+ * Copyright (C) 2007-2009 Renesas Solutions Corp.
+ *
+ * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __R8A66597_H__
+#define __R8A66597_H__
+
+#include <linux/usb/r8a66597.h>
+
+#define R8A66597_MAX_SAMPLING 10
+
+#define R8A66597_MAX_NUM_PIPE 8
+#define R8A66597_MAX_NUM_BULK 3
+#define R8A66597_MAX_NUM_ISOC 2
+#define R8A66597_MAX_NUM_INT 2
+
+#define R8A66597_BASE_PIPENUM_BULK 3
+#define R8A66597_BASE_PIPENUM_ISOC 1
+#define R8A66597_BASE_PIPENUM_INT 6
+
+#define R8A66597_BASE_BUFNUM 6
+#define R8A66597_MAX_BUFNUM 0x4F
+
+#define is_bulk_pipe(pipenum) \
+ ((pipenum >= R8A66597_BASE_PIPENUM_BULK) && \
+ (pipenum < (R8A66597_BASE_PIPENUM_BULK + R8A66597_MAX_NUM_BULK)))
+#define is_interrupt_pipe(pipenum) \
+ ((pipenum >= R8A66597_BASE_PIPENUM_INT) && \
+ (pipenum < (R8A66597_BASE_PIPENUM_INT + R8A66597_MAX_NUM_INT)))
+#define is_isoc_pipe(pipenum) \
+ ((pipenum >= R8A66597_BASE_PIPENUM_ISOC) && \
+ (pipenum < (R8A66597_BASE_PIPENUM_ISOC + R8A66597_MAX_NUM_ISOC)))
+
+struct r8a66597_pipe_info {
+ u16 pipe;
+ u16 epnum;
+ u16 maxpacket;
+ u16 type;
+ u16 interval;
+ u16 dir_in;
+};
+
+struct r8a66597_request {
+ struct usb_request req;
+ struct list_head queue;
+};
+
+struct r8a66597_ep {
+ struct usb_ep ep;
+ struct r8a66597 *r8a66597;
+
+ struct list_head queue;
+ unsigned busy:1;
+ unsigned internal_ccpl:1; /* use only control */
+
+ /* this member can able to after r8a66597_enable */
+ unsigned use_dma:1;
+ u16 pipenum;
+ u16 type;
+ const struct usb_endpoint_descriptor *desc;
+ /* register address */
+ unsigned char fifoaddr;
+ unsigned char fifosel;
+ unsigned char fifoctr;
+ unsigned char fifotrn;
+ unsigned char pipectr;
+};
+
+struct r8a66597 {
+ spinlock_t lock;
+ unsigned long reg;
+
+ struct r8a66597_platdata *pdata;
+
+ struct usb_gadget gadget;
+ struct usb_gadget_driver *driver;
+
+ struct r8a66597_ep ep[R8A66597_MAX_NUM_PIPE];
+ struct r8a66597_ep *pipenum2ep[R8A66597_MAX_NUM_PIPE];
+ struct r8a66597_ep *epaddr2ep[16];
+
+ struct timer_list timer;
+ struct usb_request *ep0_req; /* for internal request */
+ u16 ep0_data; /* for internal request */
+ u16 old_vbus;
+ u16 scount;
+ u16 old_dvsq;
+
+ /* pipe config */
+ unsigned short bi_bufnum; /* bulk and isochronous's bufnum */
+ unsigned char bulk;
+ unsigned char interrupt;
+ unsigned char isochronous;
+ unsigned char num_dma;
+
+ unsigned irq_sense_low:1;
+};
+
+#define gadget_to_r8a66597(_gadget) \
+ container_of(_gadget, struct r8a66597, gadget)
+#define r8a66597_to_gadget(r8a66597) (&r8a66597->gadget)
+
+static inline u16 r8a66597_read(struct r8a66597 *r8a66597, unsigned long offset)
+{
+ return inw(r8a66597->reg + offset);
+}
+
+static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597,
+ unsigned long offset, u16 *buf,
+ int len)
+{
+ if (r8a66597->pdata->on_chip) {
+ unsigned long fifoaddr = r8a66597->reg + offset;
+ unsigned long count;
+ union {
+ unsigned long dword;
+ unsigned char byte[4];
+ } data;
+ unsigned char *pb;
+ int i;
+
+ count = len / 4;
+ insl(fifoaddr, buf, count);
+
+ if (len & 0x00000003) {
+ data.dword = inl(fifoaddr);
+ pb = (unsigned char *)buf + count * 4;
+ for (i = 0; i < (len & 0x00000003); i++)
+ pb[i] = data.byte[i];
+ }
+ } else {
+ len = (len + 1) / 2;
+ insw(r8a66597->reg + offset, buf, len);
+ }
+}
+
+static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
+ unsigned long offset)
+{
+ outw(val, r8a66597->reg + offset);
+}
+
+static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
+ unsigned long offset, u16 *buf,
+ int len)
+{
+ unsigned long fifoaddr = r8a66597->reg + offset;
+
+ if (r8a66597->pdata->on_chip) {
+ unsigned long count;
+ unsigned char *pb;
+ int i;
+
+ count = len / 4;
+ outsl(fifoaddr, buf, count);
+
+ if (len & 0x00000003) {
+ pb = (unsigned char *)buf + count * 4;
+ for (i = 0; i < (len & 0x00000003); i++) {
+ if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
+ outb(pb[i], fifoaddr + i);
+ else
+ outb(pb[i], fifoaddr + 3 - i);
+ }
+ }
+ } else {
+ int odd = len & 0x0001;
+
+ len = len / 2;
+ outsw(fifoaddr, buf, len);
+ if (unlikely(odd)) {
+ buf = &buf[len];
+ outb((unsigned char)*buf, fifoaddr);
+ }
+ }
+}
+
+static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
+ u16 val, u16 pat, unsigned long offset)
+{
+ u16 tmp;
+ tmp = r8a66597_read(r8a66597, offset);
+ tmp = tmp & (~pat);
+ tmp = tmp | val;
+ r8a66597_write(r8a66597, tmp, offset);
+}
+
+static inline u16 get_xtal_from_pdata(struct r8a66597_platdata *pdata)
+{
+ u16 clock = 0;
+
+ switch (pdata->xtal) {
+ case R8A66597_PLATDATA_XTAL_12MHZ:
+ clock = XTAL12;
+ break;
+ case R8A66597_PLATDATA_XTAL_24MHZ:
+ clock = XTAL24;
+ break;
+ case R8A66597_PLATDATA_XTAL_48MHZ:
+ clock = XTAL48;
+ break;
+ default:
+ printk(KERN_ERR "r8a66597: platdata clock is wrong.\n");
+ break;
+ }
+
+ return clock;
+}
+
+#define r8a66597_bclr(r8a66597, val, offset) \
+ r8a66597_mdfy(r8a66597, 0, val, offset)
+#define r8a66597_bset(r8a66597, val, offset) \
+ r8a66597_mdfy(r8a66597, val, 0, offset)
+
+#define get_pipectr_addr(pipenum) (PIPE1CTR + (pipenum - 1) * 2)
+
+#define enable_irq_ready(r8a66597, pipenum) \
+ enable_pipe_irq(r8a66597, pipenum, BRDYENB)
+#define disable_irq_ready(r8a66597, pipenum) \
+ disable_pipe_irq(r8a66597, pipenum, BRDYENB)
+#define enable_irq_empty(r8a66597, pipenum) \
+ enable_pipe_irq(r8a66597, pipenum, BEMPENB)
+#define disable_irq_empty(r8a66597, pipenum) \
+ disable_pipe_irq(r8a66597, pipenum, BEMPENB)
+#define enable_irq_nrdy(r8a66597, pipenum) \
+ enable_pipe_irq(r8a66597, pipenum, NRDYENB)
+#define disable_irq_nrdy(r8a66597, pipenum) \
+ disable_pipe_irq(r8a66597, pipenum, NRDYENB)
+
+#endif /* __R8A66597_H__ */
+
--
GitLab
From d2e27bdf2870e507dd4abba1f56ca84ee6ae7232 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 19 Aug 2009 09:50:49 +0000
Subject: [PATCH 215/742] usb: add clock support to r8a66597 gadget driver
Add support for the clock framework to the r8a66597 gadget driver.
This is needed to control the clock driving the USB block.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/usb/gadget/r8a66597-udc.c | 37 ++++++++++++++++++++++++++++---
drivers/usb/gadget/r8a66597-udc.h | 7 ++++++
2 files changed, 41 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index cc0ba68efa55..c65753ffe0f0 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -25,6 +25,7 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/platform_device.h>
+#include <linux/clk.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
@@ -1475,6 +1476,12 @@ static int __exit r8a66597_remove(struct platform_device *pdev)
iounmap((void *)r8a66597->reg);
free_irq(platform_get_irq(pdev, 0), r8a66597);
r8a66597_free_request(&r8a66597->ep[0].ep, r8a66597->ep0_req);
+#ifdef CONFIG_HAVE_CLK
+ if (r8a66597->pdata->on_chip) {
+ clk_disable(r8a66597->clk);
+ clk_put(r8a66597->clk);
+ }
+#endif
kfree(r8a66597);
return 0;
}
@@ -1485,6 +1492,9 @@ static void nop_completion(struct usb_ep *ep, struct usb_request *r)
static int __init r8a66597_probe(struct platform_device *pdev)
{
+#ifdef CONFIG_HAVE_CLK
+ char clk_name[8];
+#endif
struct resource *res, *ires;
int irq;
void __iomem *reg = NULL;
@@ -1545,13 +1555,27 @@ static int __init r8a66597_probe(struct platform_device *pdev)
r8a66597->bi_bufnum = R8A66597_BASE_BUFNUM;
+#ifdef CONFIG_HAVE_CLK
+ if (r8a66597->pdata->on_chip) {
+ snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id);
+ r8a66597->clk = clk_get(&pdev->dev, clk_name);
+ if (IS_ERR(r8a66597->clk)) {
+ dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
+ clk_name);
+ ret = PTR_ERR(r8a66597->clk);
+ goto clean_up;
+ }
+ clk_enable(r8a66597->clk);
+ }
+#endif
+
disable_controller(r8a66597); /* make sure controller is disabled */
ret = request_irq(irq, r8a66597_irq, IRQF_DISABLED | IRQF_SHARED,
udc_name, r8a66597);
if (ret < 0) {
printk(KERN_ERR "request_irq error (%d)\n", ret);
- goto clean_up;
+ goto clean_up2;
}
INIT_LIST_HEAD(&r8a66597->gadget.ep_list);
@@ -1586,7 +1610,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
r8a66597->ep0_req = r8a66597_alloc_request(&r8a66597->ep[0].ep,
GFP_KERNEL);
if (r8a66597->ep0_req == NULL)
- goto clean_up2;
+ goto clean_up3;
r8a66597->ep0_req->complete = nop_completion;
init_controller(r8a66597);
@@ -1594,8 +1618,15 @@ static int __init r8a66597_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "version %s\n", DRIVER_VERSION);
return 0;
-clean_up2:
+clean_up3:
free_irq(irq, r8a66597);
+clean_up2:
+#ifdef CONFIG_HAVE_CLK
+ if (r8a66597->pdata->on_chip) {
+ clk_disable(r8a66597->clk);
+ clk_put(r8a66597->clk);
+ }
+#endif
clean_up:
if (r8a66597) {
if (r8a66597->ep0_req)
diff --git a/drivers/usb/gadget/r8a66597-udc.h b/drivers/usb/gadget/r8a66597-udc.h
index a2464bf337c8..7d9a325e7b6d 100644
--- a/drivers/usb/gadget/r8a66597-udc.h
+++ b/drivers/usb/gadget/r8a66597-udc.h
@@ -23,6 +23,10 @@
#ifndef __R8A66597_H__
#define __R8A66597_H__
+#ifdef CONFIG_HAVE_CLK
+#include <linux/clk.h>
+#endif
+
#include <linux/usb/r8a66597.h>
#define R8A66597_MAX_SAMPLING 10
@@ -88,6 +92,9 @@ struct r8a66597 {
spinlock_t lock;
unsigned long reg;
+#ifdef CONFIG_HAVE_CLK
+ struct clk *clk;
+#endif
struct r8a66597_platdata *pdata;
struct usb_gadget gadget;
--
GitLab
From ef5ce3b69028ea32aa87e98c9a3802e7c9f824b6 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 19 Aug 2009 14:19:08 +0000
Subject: [PATCH 216/742] usb: r8a66597-udc buffer management update
This patch updates the r8a66597-udc buffer management code.
Use fixed buffers for bulk and isochronous pipes, also make
sure to handle the isochronous-as-bulk case. With fixed buffers
there is no need to keep track of used buffers with bi_bufnum.
Also, this fixes a potential buffer offset problem where the
base offset incorrectly varies with the number of pipes used.
The m66592 driver recently got fixed in a similar way.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/usb/gadget/r8a66597-udc.c | 32 +++++++++++--------------------
drivers/usb/gadget/r8a66597-udc.h | 1 -
2 files changed, 11 insertions(+), 22 deletions(-)
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index c65753ffe0f0..956618400a7c 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -252,24 +252,27 @@ static int pipe_buffer_setting(struct r8a66597 *r8a66597,
buf_bsize = 0;
break;
case R8A66597_BULK:
- bufnum = r8a66597->bi_bufnum +
- (info->pipe - R8A66597_BASE_PIPENUM_BULK) * 16;
- r8a66597->bi_bufnum += 16;
+ /* isochronous pipes may be used as bulk pipes */
+ if (info->pipe > R8A66597_BASE_PIPENUM_BULK)
+ bufnum = info->pipe - R8A66597_BASE_PIPENUM_BULK;
+ else
+ bufnum = info->pipe - R8A66597_BASE_PIPENUM_ISOC;
+
+ bufnum = R8A66597_BASE_BUFNUM + (bufnum * 16);
buf_bsize = 7;
pipecfg |= R8A66597_DBLB;
if (!info->dir_in)
pipecfg |= R8A66597_SHTNAK;
break;
case R8A66597_ISO:
- bufnum = r8a66597->bi_bufnum +
+ bufnum = R8A66597_BASE_BUFNUM +
(info->pipe - R8A66597_BASE_PIPENUM_ISOC) * 16;
- r8a66597->bi_bufnum += 16;
buf_bsize = 7;
break;
}
- if (r8a66597->bi_bufnum > R8A66597_MAX_BUFNUM) {
- printk(KERN_ERR "r8a66597 pipe memory is insufficient(%d)\n",
- r8a66597->bi_bufnum);
+
+ if (buf_bsize && ((bufnum + 16) >= R8A66597_MAX_BUFNUM)) {
+ pr_err(KERN_ERR "r8a66597 pipe memory is insufficient\n");
return -ENOMEM;
}
@@ -289,17 +292,6 @@ static void pipe_buffer_release(struct r8a66597 *r8a66597,
if (info->pipe == 0)
return;
- switch (info->type) {
- case R8A66597_BULK:
- if (is_bulk_pipe(info->pipe))
- r8a66597->bi_bufnum -= 16;
- break;
- case R8A66597_ISO:
- if (is_isoc_pipe(info->pipe))
- r8a66597->bi_bufnum -= 16;
- break;
- }
-
if (is_bulk_pipe(info->pipe))
r8a66597->bulk--;
else if (is_interrupt_pipe(info->pipe))
@@ -1553,8 +1545,6 @@ static int __init r8a66597_probe(struct platform_device *pdev)
r8a66597->timer.data = (unsigned long)r8a66597;
r8a66597->reg = (unsigned long)reg;
- r8a66597->bi_bufnum = R8A66597_BASE_BUFNUM;
-
#ifdef CONFIG_HAVE_CLK
if (r8a66597->pdata->on_chip) {
snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id);
diff --git a/drivers/usb/gadget/r8a66597-udc.h b/drivers/usb/gadget/r8a66597-udc.h
index 7d9a325e7b6d..e653575d4ceb 100644
--- a/drivers/usb/gadget/r8a66597-udc.h
+++ b/drivers/usb/gadget/r8a66597-udc.h
@@ -112,7 +112,6 @@ struct r8a66597 {
u16 old_dvsq;
/* pipe config */
- unsigned short bi_bufnum; /* bulk and isochronous's bufnum */
unsigned char bulk;
unsigned char interrupt;
unsigned char isochronous;
--
GitLab
From 0bb886d2a9c2d4e069ca364e36c52c7ae6d1ca8c Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 19 Aug 2009 14:26:10 +0000
Subject: [PATCH 217/742] usb: r8a66597-udc disable interrupts on shutdown fix
This patch improves the disable_controller() function in the
r8a66597-udc driver to disable all interrupts and also clear
status flags. With this patch in place the driver survives
kexec.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/usb/gadget/r8a66597-udc.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 956618400a7c..9ca867a85a05 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -614,8 +614,17 @@ static void disable_controller(struct r8a66597 *r8a66597)
if (r8a66597->pdata->on_chip) {
r8a66597_bset(r8a66597, SCKE, SYSCFG0);
+ /* disable interrupts */
r8a66597_write(r8a66597, 0, INTENB0);
r8a66597_write(r8a66597, 0, INTENB1);
+ r8a66597_write(r8a66597, 0, BRDYENB);
+ r8a66597_write(r8a66597, 0, BEMPENB);
+ r8a66597_write(r8a66597, 0, NRDYENB);
+
+ /* clear status */
+ r8a66597_write(r8a66597, 0, BRDYSTS);
+ r8a66597_write(r8a66597, 0, NRDYSTS);
+ r8a66597_write(r8a66597, 0, BEMPSTS);
r8a66597_bclr(r8a66597, USBE, SYSCFG0);
r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
--
GitLab
From 5a1c4cb5bc228662bfb116f1e07ad658915a5742 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 19 Aug 2009 14:39:15 +0000
Subject: [PATCH 218/742] sh: add r8a66597 usb0 gadget to the kfr2r09 board
Add USB gadget support for port YC301 on the KFR2R09 board.
The r8a66597-udc driver is hooked up as a platform device,
clocks are enabled via I2C and some registers are configured
to enable the USB in gadget mode. The hardware driving the
USB port is the on-chip USB0 block in the sh7724 processor
configured as USB gadget controller.
This board is using external hardware to detect USB hotplug
events and allows the processor to dynamically start and stop
clocks. This well thought out hardware feature is unused at
this point and plug and play is unfortunately unsupported.
To properly support all hardware features the USB gadget
stack may need some adjustment.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-kfr2r09/setup.c | 103 ++++++++++++++++++++++++++++
1 file changed, 103 insertions(+)
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index bdb10c29ef18..1cbd6a3655c3 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -16,6 +16,8 @@
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/usb/r8a66597.h>
#include <video/sh_mobile_lcdc.h>
#include <asm/clock.h>
#include <asm/machvec.h>
@@ -175,6 +177,35 @@ static struct platform_device kfr2r09_sh_lcdc_device = {
},
};
+static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
+ .on_chip = 1,
+};
+
+static struct resource kfr2r09_usb0_gadget_resources[] = {
+ [0] = {
+ .start = 0x04d80000,
+ .end = 0x04d80123,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 65,
+ .end = 65,
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
+ },
+};
+
+static struct platform_device kfr2r09_usb0_gadget_device = {
+ .name = "r8a66597_udc",
+ .id = 0,
+ .dev = {
+ .dma_mask = NULL, /* not use dma */
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &kfr2r09_usb0_gadget_data,
+ },
+ .num_resources = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
+ .resource = kfr2r09_usb0_gadget_resources,
+};
+
static struct platform_device *kfr2r09_devices[] __initdata = {
&kfr2r09_nor_flash_device,
&kfr2r09_nand_flash_device,
@@ -186,6 +217,74 @@ static struct platform_device *kfr2r09_devices[] __initdata = {
#define BSC_CS0WCR 0xfec10024
#define BSC_CS4BCR 0xfec10010
#define BSC_CS4WCR 0xfec10030
+#define PORT_MSELCRB 0xa4050182
+
+static int kfr2r09_usb0_gadget_i2c_setup(void)
+{
+ struct i2c_adapter *a;
+ struct i2c_msg msg;
+ unsigned char buf[2];
+ int ret;
+
+ a = i2c_get_adapter(0);
+ if (!a)
+ return -ENODEV;
+
+ /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
+ buf[0] = 0x13;
+ msg.addr = 0x09;
+ msg.buf = buf;
+ msg.len = 1;
+ msg.flags = 0;
+ ret = i2c_transfer(a, &msg, 1);
+ if (ret != 1)
+ return -ENODEV;
+
+ buf[0] = 0;
+ msg.addr = 0x09;
+ msg.buf = buf;
+ msg.len = 1;
+ msg.flags = I2C_M_RD;
+ ret = i2c_transfer(a, &msg, 1);
+ if (ret != 1)
+ return -ENODEV;
+
+ buf[1] = buf[0] | (1 << 1);
+ buf[0] = 0x13;
+ msg.addr = 0x09;
+ msg.buf = buf;
+ msg.len = 2;
+ msg.flags = 0;
+ ret = i2c_transfer(a, &msg, 1);
+ if (ret != 1)
+ return -ENODEV;
+
+ return 0;
+}
+
+static int kfr2r09_usb0_gadget_setup(void)
+{
+ int plugged_in;
+
+ gpio_request(GPIO_PTN4, NULL); /* USB_DET */
+ gpio_direction_input(GPIO_PTN4);
+ plugged_in = gpio_get_value(GPIO_PTN4);
+ if (!plugged_in)
+ return -ENODEV; /* no cable plugged in */
+
+ if (kfr2r09_usb0_gadget_i2c_setup() != 0)
+ return -ENODEV; /* unable to configure using i2c */
+
+ ctrl_outw((ctrl_inw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
+ gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
+ gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
+ gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
+ msleep(20); /* wait 20ms to let the clock settle */
+ clk_enable(clk_get(NULL, "usb0"));
+ ctrl_outw(0x0600, 0xa40501d4);
+
+ return 0;
+}
static int __init kfr2r09_devices_setup(void)
{
@@ -245,6 +344,10 @@ static int __init kfr2r09_devices_setup(void)
gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
gpio_direction_output(GPIO_PTU0, 1);
+ /* setup USB function */
+ if (kfr2r09_usb0_gadget_setup() == 0)
+ platform_device_register(&kfr2r09_usb0_gadget_device);
+
return platform_add_devices(kfr2r09_devices,
ARRAY_SIZE(kfr2r09_devices));
}
--
GitLab
From f8f8c0797d73624d6e81dbb9c9e8f85005500ebc Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 19 Aug 2009 09:52:02 +0000
Subject: [PATCH 219/742] sh: add r8a66597 usb1 gadget to the se7724 board
Add USB gadget support for port CN26 on the Solution Engine 7724
board. The r8a66597-udc driver is hooked up as a platform device
and some registers are configured to enable the USB in gadget mode.
The hardware driving the USB port is the on-chip USB1 block in
the sh7724 processor configured as USB gadget controller.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-se/7724/setup.c | 33 +++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index c04e134474d8..e6bd09f2e14a 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -341,6 +341,35 @@ static struct platform_device sh7724_usb0_host_device = {
.resource = sh7724_usb0_host_resources,
};
+static struct r8a66597_platdata sh7724_usb1_gadget_data = {
+ .on_chip = 1,
+};
+
+static struct resource sh7724_usb1_gadget_resources[] = {
+ [0] = {
+ .start = 0xa4d90000,
+ .end = 0xa4d90123,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 66,
+ .end = 66,
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
+ },
+};
+
+static struct platform_device sh7724_usb1_gadget_device = {
+ .name = "r8a66597_udc",
+ .id = 1, /* USB1 */
+ .dev = {
+ .dma_mask = NULL, /* not use dma */
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &sh7724_usb1_gadget_data,
+ },
+ .num_resources = ARRAY_SIZE(sh7724_usb1_gadget_resources),
+ .resource = sh7724_usb1_gadget_resources,
+};
+
static struct platform_device *ms7724se_devices[] __initdata = {
&heartbeat_device,
&smc91x_eth_device,
@@ -351,6 +380,7 @@ static struct platform_device *ms7724se_devices[] __initdata = {
&keysc_device,
&sh_eth_device,
&sh7724_usb0_host_device,
+ &sh7724_usb1_gadget_device,
};
#define EEPROM_OP 0xBA206000
@@ -459,6 +489,9 @@ static int __init devices_setup(void)
/* enable USB0 port */
ctrl_outw(0x0600, 0xa40501d4);
+ /* enable USB1 port */
+ ctrl_outw(0x0600, 0xa4050192);
+
/* enable IRQ 0,1,2 */
gpio_request(GPIO_FN_INTC_IRQ0, NULL);
gpio_request(GPIO_FN_INTC_IRQ1, NULL);
--
GitLab
From 307646c958f0f3c3624368eaa72dce8567b25f93 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 20 Aug 2009 12:07:46 +0900
Subject: [PATCH 220/742] sh: Fix up the CONFIG_FTRACE_SYSCALLS=n build.
-tip can't be bothered keeping interfaces stable long enough for anyone
to use them without having their builds broken without notification, so
just ifdef around the problematic symbols until the new interfaces become
available upstream.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/ptrace_32.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index c198eceaee94..f4f58e438a26 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -461,8 +461,10 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
*/
ret = -1L;
+#ifdef CONFIG_FTRACE_SYSCALLS
if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
ftrace_syscall_enter(regs);
+#endif
if (unlikely(current->audit_context))
audit_syscall_entry(audit_arch(), regs->regs[3],
@@ -480,8 +482,10 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]),
regs->regs[0]);
+#ifdef CONFIG_FTRACE_SYSCALLS
if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
ftrace_syscall_exit(regs);
+#endif
step = test_thread_flag(TIF_SINGLESTEP);
if (step || test_thread_flag(TIF_SYSCALL_TRACE))
--
GitLab
From 2bfc3305f6b3e08645f7d6b9514211d955b02698 Mon Sep 17 00:00:00 2001
From: Alessandro Zummo <a.zummo@towertech.it>
Date: Thu, 20 Aug 2009 12:31:49 +0900
Subject: [PATCH 221/742] rtc: rtc-ds1302 fixes
- removed spinlock protection, it's handled by the rtc class
- use platform_driver_probe
- return appropriate code for rtc_read_time
- style issues
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/rtc/rtc-ds1302.c | 66 +++++++++-------------------------------
1 file changed, 15 insertions(+), 51 deletions(-)
diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c
index 184556620778..c64e2d7871b2 100644
--- a/drivers/rtc/rtc-ds1302.c
+++ b/drivers/rtc/rtc-ds1302.c
@@ -1,26 +1,25 @@
/*
* Dallas DS1302 RTC Support
*
- * Copyright (C) 2002 David McCullough
- * Copyright (C) 2003 - 2007 Paul Mundt
+ * Copyright (C) 2002 David McCullough
+ * Copyright (C) 2003 - 2007 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
- * License version 2. See the file "COPYING" in the main directory of
+ * License version 2. See the file "COPYING" in the main directory of
* this archive for more details.
*/
+
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
-#include <linux/time.h>
#include <linux/rtc.h>
-#include <linux/spinlock.h>
#include <linux/io.h>
#include <linux/bcd.h>
#include <asm/rtc.h>
#define DRV_NAME "rtc-ds1302"
-#define DRV_VERSION "0.1.0"
+#define DRV_VERSION "0.1.1"
#define RTC_CMD_READ 0x81 /* Read command */
#define RTC_CMD_WRITE 0x80 /* Write command */
@@ -47,11 +46,6 @@
#error "Add support for your platform"
#endif
-struct ds1302_rtc {
- struct rtc_device *rtc_dev;
- spinlock_t lock;
-};
-
static void ds1302_sendbits(unsigned int val)
{
int i;
@@ -105,8 +99,6 @@ static int ds1302_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
struct ds1302_rtc *rtc = dev_get_drvdata(dev);
- spin_lock_irq(&rtc->lock);
-
tm->tm_sec = bcd2bin(ds1302_readbyte(RTC_ADDR_SEC));
tm->tm_min = bcd2bin(ds1302_readbyte(RTC_ADDR_MIN));
tm->tm_hour = bcd2bin(ds1302_readbyte(RTC_ADDR_HOUR));
@@ -118,26 +110,17 @@ static int ds1302_rtc_read_time(struct device *dev, struct rtc_time *tm)
if (tm->tm_year < 70)
tm->tm_year += 100;
- spin_unlock_irq(&rtc->lock);
-
dev_dbg(dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
"mday=%d, mon=%d, year=%d, wday=%d\n",
__func__,
tm->tm_sec, tm->tm_min, tm->tm_hour,
tm->tm_mday, tm->tm_mon + 1, tm->tm_year, tm->tm_wday);
- if (rtc_valid_tm(tm) < 0)
- dev_err(dev, "invalid date\n");
-
- return 0;
+ return rtc_valid_tm(tm);
}
static int ds1302_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
- struct ds1302_rtc *rtc = dev_get_drvdata(dev);
-
- spin_lock_irq(&rtc->lock);
-
/* Stop RTC */
ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) | 0x80);
@@ -152,8 +135,6 @@ static int ds1302_rtc_set_time(struct device *dev, struct rtc_time *tm)
/* Start RTC */
ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) & ~0x80);
- spin_unlock_irq(&rtc->lock);
-
return 0;
}
@@ -170,9 +151,7 @@ static int ds1302_rtc_ioctl(struct device *dev, unsigned int cmd,
if (copy_from_user(&tcs_val, (int __user *)arg, sizeof(int)))
return -EFAULT;
- spin_lock_irq(&rtc->lock);
ds1302_writebyte(RTC_ADDR_TCR, (0xa0 | tcs_val * 0xf));
- spin_unlock_irq(&rtc->lock);
return 0;
}
#endif
@@ -187,9 +166,9 @@ static struct rtc_class_ops ds1302_rtc_ops = {
.ioctl = ds1302_rtc_ioctl,
};
-static int __devinit ds1302_rtc_probe(struct platform_device *pdev)
+static int __init ds1302_rtc_probe(struct platform_device *pdev)
{
- struct ds1302_rtc *rtc;
+ struct rtc_device *rtc;
int ret;
/* Reset */
@@ -200,37 +179,23 @@ static int __devinit ds1302_rtc_probe(struct platform_device *pdev)
if (ds1302_readbyte(RTC_ADDR_RAM0) != 0x42)
return -ENODEV;
- rtc = kzalloc(sizeof(struct ds1302_rtc), GFP_KERNEL);
- if (unlikely(!rtc))
- return -ENOMEM;
-
- spin_lock_init(&rtc->lock);
- rtc->rtc_dev = rtc_device_register("ds1302", &pdev->dev,
+ rtc = rtc_device_register("ds1302", &pdev->dev,
&ds1302_rtc_ops, THIS_MODULE);
- if (IS_ERR(rtc->rtc_dev)) {
- ret = PTR_ERR(rtc->rtc_dev);
- goto out;
- }
+ if (IS_ERR(rtc))
+ return PTR_ERR(rtc);
platform_set_drvdata(pdev, rtc);
return 0;
-out:
- kfree(rtc);
- return ret;
}
static int __devexit ds1302_rtc_remove(struct platform_device *pdev)
{
- struct ds1302_rtc *rtc = platform_get_drvdata(pdev);
-
- if (likely(rtc->rtc_dev))
- rtc_device_unregister(rtc->rtc_dev);
+ struct rtc_device *rtc = platform_get_drvdata(pdev);
+ rtc_device_unregister(rtc);
platform_set_drvdata(pdev, NULL);
- kfree(rtc);
-
return 0;
}
@@ -239,13 +204,12 @@ static struct platform_driver ds1302_platform_driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
},
- .probe = ds1302_rtc_probe,
- .remove = __devexit_p(ds1302_rtc_remove),
+ .remove = __exit_p(ds1302_rtc_remove),
};
static int __init ds1302_rtc_init(void)
{
- return platform_driver_register(&ds1302_platform_driver);
+ return platform_driver_probe(&ds1302_platform_driver, ds1302_rtc_probe);
}
static void __exit ds1302_rtc_exit(void)
--
GitLab
From 5c9740a8b797c9141a39e8115f5652d7bb28a67d Mon Sep 17 00:00:00 2001
From: Alessandro Zummo <a.zummo@towertech.it>
Date: Thu, 20 Aug 2009 13:25:11 +0900
Subject: [PATCH 222/742] rtc: rtc-sh fixes
- simplifies irq set freq
- ioctl() was duplicating functionalities of rtc-dev core
- corrected initialization sequence
- use platform_driver_probe
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: Angelo Castello <angelo.castello@st.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Jamie Lenehan <lenehan@twibble.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/rtc/rtc-sh.c | 93 +++++++++++++++-----------------------------
1 file changed, 32 insertions(+), 61 deletions(-)
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index d7310adb7152..39a2fcd98c2d 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -29,7 +29,7 @@
#include <asm/rtc.h>
#define DRV_NAME "sh-rtc"
-#define DRV_VERSION "0.2.2"
+#define DRV_VERSION "0.2.3"
#define RTC_REG(r) ((r) * rtc_reg_size)
@@ -215,7 +215,7 @@ static irqreturn_t sh_rtc_shared(int irq, void *dev_id)
return IRQ_RETVAL(ret);
}
-static inline void sh_rtc_setpie(struct device *dev, unsigned int enable)
+static int sh_rtc_irq_set_state(struct device *dev, int enable)
{
struct sh_rtc *rtc = dev_get_drvdata(dev);
unsigned int tmp;
@@ -225,17 +225,22 @@ static inline void sh_rtc_setpie(struct device *dev, unsigned int enable)
tmp = readb(rtc->regbase + RCR2);
if (enable) {
+ rtc->periodic_freq |= PF_KOU;
tmp &= ~RCR2_PEF; /* Clear PES bit */
tmp |= (rtc->periodic_freq & ~PF_HP); /* Set PES2-0 */
- } else
+ } else {
+ rtc->periodic_freq &= ~PF_KOU;
tmp &= ~(RCR2_PESMASK | RCR2_PEF);
+ }
writeb(tmp, rtc->regbase + RCR2);
spin_unlock_irq(&rtc->lock);
+
+ return 0;
}
-static inline int sh_rtc_setfreq(struct device *dev, unsigned int freq)
+static int sh_rtc_irq_set_freq(struct device *dev, int freq)
{
struct sh_rtc *rtc = dev_get_drvdata(dev);
int tmp, ret = 0;
@@ -346,10 +351,6 @@ static int sh_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
unsigned int ret = 0;
switch (cmd) {
- case RTC_PIE_OFF:
- case RTC_PIE_ON:
- sh_rtc_setpie(dev, cmd == RTC_PIE_ON);
- break;
case RTC_AIE_OFF:
case RTC_AIE_ON:
sh_rtc_setaie(dev, cmd == RTC_AIE_ON);
@@ -362,13 +363,6 @@ static int sh_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
rtc->periodic_freq |= PF_OXS;
sh_rtc_setcie(dev, 1);
break;
- case RTC_IRQP_READ:
- ret = put_user(rtc->rtc_dev->irq_freq,
- (unsigned long __user *)arg);
- break;
- case RTC_IRQP_SET:
- ret = sh_rtc_setfreq(dev, arg);
- break;
default:
ret = -ENOIOCTLCMD;
}
@@ -602,28 +596,6 @@ static int sh_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm)
return 0;
}
-static int sh_rtc_irq_set_state(struct device *dev, int enabled)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct sh_rtc *rtc = platform_get_drvdata(pdev);
-
- if (enabled) {
- rtc->periodic_freq |= PF_KOU;
- return sh_rtc_ioctl(dev, RTC_PIE_ON, 0);
- } else {
- rtc->periodic_freq &= ~PF_KOU;
- return sh_rtc_ioctl(dev, RTC_PIE_OFF, 0);
- }
-}
-
-static int sh_rtc_irq_set_freq(struct device *dev, int freq)
-{
- if (!is_power_of_2(freq))
- return -EINVAL;
-
- return sh_rtc_ioctl(dev, RTC_IRQP_SET, freq);
-}
-
static struct rtc_class_ops sh_rtc_ops = {
.ioctl = sh_rtc_ioctl,
.read_time = sh_rtc_read_time,
@@ -635,7 +607,7 @@ static struct rtc_class_ops sh_rtc_ops = {
.proc = sh_rtc_proc,
};
-static int __devinit sh_rtc_probe(struct platform_device *pdev)
+static int __init sh_rtc_probe(struct platform_device *pdev)
{
struct sh_rtc *rtc;
struct resource *res;
@@ -702,13 +674,6 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev)
clk_enable(rtc->clk);
- rtc->rtc_dev = rtc_device_register("sh", &pdev->dev,
- &sh_rtc_ops, THIS_MODULE);
- if (IS_ERR(rtc->rtc_dev)) {
- ret = PTR_ERR(rtc->rtc_dev);
- goto err_unmap;
- }
-
rtc->capabilities = RTC_DEF_CAPABILITIES;
if (pdev->dev.platform_data) {
struct sh_rtc_platform_info *pinfo = pdev->dev.platform_data;
@@ -720,10 +685,6 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev)
rtc->capabilities |= pinfo->capabilities;
}
- rtc->rtc_dev->max_user_freq = 256;
-
- platform_set_drvdata(pdev, rtc);
-
if (rtc->carry_irq <= 0) {
/* register shared periodic/carry/alarm irq */
ret = request_irq(rtc->periodic_irq, sh_rtc_shared,
@@ -767,13 +728,26 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev)
}
}
+ platform_set_drvdata(pdev, rtc);
+
/* everything disabled by default */
- rtc->periodic_freq = 0;
- rtc->rtc_dev->irq_freq = 0;
- sh_rtc_setpie(&pdev->dev, 0);
+ sh_rtc_irq_set_freq(&pdev->dev, 0);
+ sh_rtc_irq_set_state(&pdev->dev, 0);
sh_rtc_setaie(&pdev->dev, 0);
sh_rtc_setcie(&pdev->dev, 0);
+ rtc->rtc_dev = rtc_device_register("sh", &pdev->dev,
+ &sh_rtc_ops, THIS_MODULE);
+ if (IS_ERR(rtc->rtc_dev)) {
+ ret = PTR_ERR(rtc->rtc_dev);
+ free_irq(rtc->periodic_irq, rtc);
+ free_irq(rtc->carry_irq, rtc);
+ free_irq(rtc->alarm_irq, rtc);
+ goto err_unmap;
+ }
+
+ rtc->rtc_dev->max_user_freq = 256;
+
/* reset rtc to epoch 0 if time is invalid */
if (rtc_read_time(rtc->rtc_dev, &r) < 0) {
rtc_time_to_tm(0, &r);
@@ -795,14 +769,13 @@ err_badres:
return ret;
}
-static int __devexit sh_rtc_remove(struct platform_device *pdev)
+static int __exit sh_rtc_remove(struct platform_device *pdev)
{
struct sh_rtc *rtc = platform_get_drvdata(pdev);
- if (likely(rtc->rtc_dev))
- rtc_device_unregister(rtc->rtc_dev);
+ rtc_device_unregister(rtc->rtc_dev);
+ sh_rtc_irq_set_state(&pdev->dev, 0);
- sh_rtc_setpie(&pdev->dev, 0);
sh_rtc_setaie(&pdev->dev, 0);
sh_rtc_setcie(&pdev->dev, 0);
@@ -813,9 +786,8 @@ static int __devexit sh_rtc_remove(struct platform_device *pdev)
free_irq(rtc->alarm_irq, rtc);
}
- release_resource(rtc->res);
-
iounmap(rtc->regbase);
+ release_resource(rtc->res);
clk_disable(rtc->clk);
clk_put(rtc->clk);
@@ -867,13 +839,12 @@ static struct platform_driver sh_rtc_platform_driver = {
.owner = THIS_MODULE,
.pm = &sh_rtc_dev_pm_ops,
},
- .probe = sh_rtc_probe,
- .remove = __devexit_p(sh_rtc_remove),
+ .remove = __exit_p(sh_rtc_remove),
};
static int __init sh_rtc_init(void)
{
- return platform_driver_register(&sh_rtc_platform_driver);
+ return platform_driver_probe(&sh_rtc_platform_driver, sh_rtc_probe);
}
static void __exit sh_rtc_exit(void)
--
GitLab
From 6503fe4a6508673c15a509ec4ac3ca5979ae9593 Mon Sep 17 00:00:00 2001
From: Michael Trimarchi <trimarchimichael@yahoo.it>
Date: Thu, 20 Aug 2009 13:27:44 +0900
Subject: [PATCH 223/742] sh: Better description of SH-4 PTEA register update.
Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/pgtable_32.h | 8 ++++++++
arch/sh/mm/tlb-sh4.c | 9 ++++++---
2 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h
index 0db19db913c7..4c4429cda56d 100644
--- a/arch/sh/include/asm/pgtable_32.h
+++ b/arch/sh/include/asm/pgtable_32.h
@@ -87,6 +87,14 @@
#define _PAGE_PCC_ATR8 0x60000000 /* Attribute Memory space, 8 bit bus */
#define _PAGE_PCC_ATR16 0x60000001 /* Attribute Memory space, 6 bit bus */
+#ifndef CONFIG_X2TLB
+/* copy the ptea attributes */
+static inline unsigned long copy_ptea_attributes(unsigned long x)
+{
+ return ((x >> 28) & 0xe) | (x & 0x1);
+}
+#endif
+
/* Mask which drops unused bits from the PTEL value */
#if defined(CONFIG_CPU_SH3)
#define _PAGE_CLEAR_FLAGS (_PAGE_PROTNONE | _PAGE_ACCESSED| \
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index f0c7b7397fa6..fd0d11f1a81c 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -61,9 +61,12 @@ void update_mmu_cache(struct vm_area_struct * vma,
*/
ctrl_outl(pte.pte_high, MMU_PTEA);
#else
- if (cpu_data->flags & CPU_HAS_PTEA)
- /* TODO: make this look less hacky */
- ctrl_outl(((pteval >> 28) & 0xe) | (pteval & 0x1), MMU_PTEA);
+ if (cpu_data->flags & CPU_HAS_PTEA) {
+ /* The last 3 bits and the first one of pteval contains
+ * the PTEA timing control and space attribute bits
+ */
+ ctrl_outl(copy_ptea_attributes(pteval), MMU_PTEA);
+ }
#endif
/* Set PTEL register */
--
GitLab
From 485f0720c3e0f57deac403acfbf078a89baeb6ba Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 20 Aug 2009 14:02:20 +0900
Subject: [PATCH 224/742] sh: DSP save/restore ordering and a0 sign extension
fixups.
As an excellent indicator of how much testing the DSP code gets, a couple
of rather glaring bugs in the DSP save/restore paths were found:
- In the DSP restore case a0 needs to be popped off before a0g,
or the value of a0g is clobbered by the MSB of a0 in the case
of sign extension.
- Beyond that, the save and restore orders were out of sync,
so this fixes that up as well. At the same time, we switch over
to using movs.l for both the save and restore of the general DSP
registers as opposed to using sts.l (which was initially put in
place to work around a bug in ancient binutils versions which
the kernel no longer supports).
Reported-by: Chee Soon Yip <yip.cheesoon@renesas.com>
Cc: Chu Lih Kwek <kwek.chulih@renesas.com>,
Cc: General Lai <general.lai@renesas.com>,
Cc: Robert Cozens <Robert.Cozens@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/system_32.h | 26 +++++++++++++-------------
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h
index 6c68a51f1cc5..81e0d668eefd 100644
--- a/arch/sh/include/asm/system_32.h
+++ b/arch/sh/include/asm/system_32.h
@@ -14,12 +14,12 @@ do { \
(u32 *)&tsk->thread.dsp_status; \
__asm__ __volatile__ ( \
".balign 4\n\t" \
+ "movs.l @r2+, a0\n\t" \
"movs.l @r2+, a1\n\t" \
"movs.l @r2+, a0g\n\t" \
"movs.l @r2+, a1g\n\t" \
"movs.l @r2+, m0\n\t" \
"movs.l @r2+, m1\n\t" \
- "movs.l @r2+, a0\n\t" \
"movs.l @r2+, x0\n\t" \
"movs.l @r2+, x1\n\t" \
"movs.l @r2+, y0\n\t" \
@@ -39,20 +39,20 @@ do { \
\
__asm__ __volatile__ ( \
".balign 4\n\t" \
- "stc.l mod, @-r2\n\t" \
+ "stc.l mod, @-r2\n\t" \
"stc.l re, @-r2\n\t" \
"stc.l rs, @-r2\n\t" \
- "sts.l dsr, @-r2\n\t" \
- "sts.l y1, @-r2\n\t" \
- "sts.l y0, @-r2\n\t" \
- "sts.l x1, @-r2\n\t" \
- "sts.l x0, @-r2\n\t" \
- "sts.l a0, @-r2\n\t" \
- ".word 0xf653 ! movs.l a1, @-r2\n\t" \
- ".word 0xf6f3 ! movs.l a0g, @-r2\n\t" \
- ".word 0xf6d3 ! movs.l a1g, @-r2\n\t" \
- ".word 0xf6c3 ! movs.l m0, @-r2\n\t" \
- ".word 0xf6e3 ! movs.l m1, @-r2\n\t" \
+ "sts.l dsr, @-r2\n\t" \
+ "movs.l y1, @-r2\n\t" \
+ "movs.l y0, @-r2\n\t" \
+ "movs.l x1, @-r2\n\t" \
+ "movs.l x0, @-r2\n\t" \
+ "movs.l m1, @-r2\n\t" \
+ "movs.l m0, @-r2\n\t" \
+ "movs.l a1g, @-r2\n\t" \
+ "movs.l a0g, @-r2\n\t" \
+ "movs.l a1, @-r2\n\t" \
+ "movs.l a0, @-r2\n\t" \
: : "r" (__ts2)); \
} while (0)
--
GitLab
From e0fa7e5803382c4b42ed693be55463e878900a63 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 20 Aug 2009 15:06:04 +0900
Subject: [PATCH 225/742] rtc: rtc-ds1302: Kill off unused variables.
There were a few stray unused variables left over, kill them off.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/rtc/rtc-ds1302.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c
index c64e2d7871b2..d490628b64da 100644
--- a/drivers/rtc/rtc-ds1302.c
+++ b/drivers/rtc/rtc-ds1302.c
@@ -97,8 +97,6 @@ static void ds1302_writebyte(unsigned int addr, unsigned int val)
static int ds1302_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- struct ds1302_rtc *rtc = dev_get_drvdata(dev);
-
tm->tm_sec = bcd2bin(ds1302_readbyte(RTC_ADDR_SEC));
tm->tm_min = bcd2bin(ds1302_readbyte(RTC_ADDR_MIN));
tm->tm_hour = bcd2bin(ds1302_readbyte(RTC_ADDR_HOUR));
@@ -169,7 +167,6 @@ static struct rtc_class_ops ds1302_rtc_ops = {
static int __init ds1302_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
- int ret;
/* Reset */
set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
--
GitLab
From e89561cf49bb7f83b48067924470d313e2d570a9 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 20 Aug 2009 15:06:47 +0900
Subject: [PATCH 226/742] sh: enable rtc-ds1302 in snapgear_defconfig.
This is the only board that presently supports this rtc, so make sure it
is enabled by default to get some build coverage.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/configs/snapgear_defconfig | 77 ++++++++++++++++++++++++++++--
1 file changed, 72 insertions(+), 5 deletions(-)
diff --git a/arch/sh/configs/snapgear_defconfig b/arch/sh/configs/snapgear_defconfig
index ca3c88a88021..2be2d75adbb7 100644
--- a/arch/sh/configs/snapgear_defconfig
+++ b/arch/sh/configs/snapgear_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30
-# Thu Jun 18 13:11:58 2009
+# Linux kernel version: 2.6.31-rc6
+# Thu Aug 20 15:03:04 2009
#
CONFIG_SUPERH=y
CONFIG_SUPERH32=y
@@ -14,6 +14,7 @@ CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_IRQ_PER_CPU=y
# CONFIG_GENERIC_GPIO is not set
CONFIG_GENERIC_TIME=y
CONFIG_GENERIC_CLOCKEVENTS=y
@@ -28,7 +29,9 @@ CONFIG_HAVE_LATENCYTOP_SUPPORT=y
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_ARCH_NO_VIRT_TO_BUS=y
CONFIG_ARCH_HAS_DEFAULT_IDLE=y
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
#
# General setup
@@ -38,6 +41,12 @@ CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
# CONFIG_SWAP is not set
# CONFIG_SYSVIPC is not set
# CONFIG_POSIX_MQUEUE is not set
@@ -86,10 +95,12 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
+CONFIG_HAVE_PERF_COUNTERS=y
#
# Performance Counters
#
+# CONFIG_PERF_COUNTERS is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_PCI_QUIRKS=y
# CONFIG_STRIP_ASM_SYMS is not set
@@ -106,6 +117,10 @@ CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_CLK=y
CONFIG_HAVE_DMA_API_DEBUG=y
+
+#
+# GCOV-based kernel profiling
+#
# CONFIG_SLOW_WORK is not set
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_SLABINFO=y
@@ -113,7 +128,7 @@ CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
# CONFIG_MODULES is not set
CONFIG_BLOCK=y
-# CONFIG_LBD is not set
+CONFIG_LBDAF=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_BLK_DEV_INTEGRITY is not set
@@ -534,7 +549,11 @@ CONFIG_HAVE_IDE=y
#
#
-# Enable only one of the two stacks, unless you know what you are doing
+# You can enable one or both FireWire driver stacks.
+#
+
+#
+# See the help texts for more information.
#
# CONFIG_FIREWIRE is not set
# CONFIG_IEEE1394 is not set
@@ -686,6 +705,11 @@ CONFIG_LEGACY_PTY_COUNT=256
CONFIG_DEVPORT=y
# CONFIG_I2C is not set
# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
# CONFIG_W1 is not set
# CONFIG_POWER_SUPPLY is not set
# CONFIG_HWMON is not set
@@ -732,7 +756,44 @@ CONFIG_SSB_POSSIBLE=y
# CONFIG_ACCESSIBILITY is not set
# CONFIG_INFINIBAND is not set
CONFIG_RTC_LIB=y
-# CONFIG_RTC_CLASS is not set
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# SPI RTC drivers
+#
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1286 is not set
+CONFIG_RTC_DRV_DS1302=y
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_RTC_DRV_SH is not set
+# CONFIG_RTC_DRV_GENERIC is not set
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
@@ -754,6 +815,7 @@ CONFIG_EXT2_FS=y
# CONFIG_JFS_FS is not set
# CONFIG_FS_POSIX_ACL is not set
# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_BTRFS_FS is not set
CONFIG_FILE_LOCKING=y
@@ -856,8 +918,11 @@ CONFIG_FRAME_WARN=1024
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
# CONFIG_LATENCYTOP is not set
CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FTRACE_SYSCALLS=y
CONFIG_TRACING_SUPPORT=y
# CONFIG_FTRACE is not set
# CONFIG_DMA_API_DEBUG is not set
@@ -865,6 +930,7 @@ CONFIG_TRACING_SUPPORT=y
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_SH_STANDARD_BIOS is not set
# CONFIG_EARLY_SCIF_CONSOLE is not set
+# CONFIG_DWARF_UNWINDER is not set
#
# Security options
@@ -893,5 +959,6 @@ CONFIG_DECOMPRESS_GZIP=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
+CONFIG_HAVE_LMB=y
CONFIG_NLATTR=y
CONFIG_GENERIC_ATOMIC64=y
--
GitLab
From c139a595878b0e8156476668e3d5c27b6aca7624 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 20 Aug 2009 15:24:41 +0900
Subject: [PATCH 227/742] sh: Fix up cache-sh4 build on SMP.
mapping is unused on the SMP build, trigger a build error. Move it under
the ifdef.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh4.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 05cb04bc3940..6c2db1401080 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -106,9 +106,9 @@ static inline void flush_cache_4096(unsigned long start,
*/
static void sh4_flush_dcache_page(struct page *page)
{
+#ifndef CONFIG_SMP
struct address_space *mapping = page_mapping(page);
-#ifndef CONFIG_SMP
if (mapping && !mapping_mapped(mapping))
set_bit(PG_dcache_dirty, &page->flags);
else
--
GitLab
From 711e522d70f760969de7bcc97907b467993614dc Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 20 Aug 2009 17:24:40 +0900
Subject: [PATCH 228/742] sh: Use local TLB flush for get_mmu_context() ASID
exhaustion.
When get_mmu_context() runs out of new ASIDs it flushes the TLB and
wraps around. Despite the fact the ASIDs are tracked per-CPU, a global
TLB flush was being used. Switch this over to a local one, as matches
the intent.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/mmu_context.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/include/asm/mmu_context.h b/arch/sh/include/asm/mmu_context.h
index 67d8946db193..41080b173a7a 100644
--- a/arch/sh/include/asm/mmu_context.h
+++ b/arch/sh/include/asm/mmu_context.h
@@ -69,7 +69,7 @@ static inline void get_mmu_context(struct mm_struct *mm, unsigned int cpu)
* We exhaust ASID of this version.
* Flush all TLB and start new cycle.
*/
- flush_tlb_all();
+ local_flush_tlb_all();
#ifdef CONFIG_SUPERH64
/*
--
GitLab
From 045a4b7ee73764131c39733de7d06e8c553f805a Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 20 Aug 2009 13:57:36 +0000
Subject: [PATCH 229/742] sh: i2c compile fix for kfr2r09
Fix the kfr2r09 board code so it compiles if CONFIG_I2C=n.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-kfr2r09/setup.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 1cbd6a3655c3..1e2cb1976dfb 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -219,6 +219,7 @@ static struct platform_device *kfr2r09_devices[] __initdata = {
#define BSC_CS4WCR 0xfec10030
#define PORT_MSELCRB 0xa4050182
+#ifdef CONFIG_I2C
static int kfr2r09_usb0_gadget_i2c_setup(void)
{
struct i2c_adapter *a;
@@ -261,6 +262,12 @@ static int kfr2r09_usb0_gadget_i2c_setup(void)
return 0;
}
+#else
+static int kfr2r09_usb0_gadget_i2c_setup(void)
+{
+ return -ENODEV;
+}
+#endif
static int kfr2r09_usb0_gadget_setup(void)
{
--
GitLab
From 7c328e476bc56c86e77ffff5c947f4b8ec47e36b Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 20 Aug 2009 13:58:38 +0000
Subject: [PATCH 230/742] sh: invalidate icache and tlbs during boot on kfr2r09
Add instruction cache and TLB invalidation code for the
the kfr2r09 romimage target.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt b/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
index 25801d495c5f..a19ac31c8cde 100644
--- a/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
+++ b/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
@@ -16,6 +16,12 @@ LIST "--------------------------------"
LIST "disable watchdog"
EW 0xa4520004, 0xa507
+LIST "invalidate instruction cache"
+ED 0xff00001c, 0x00000800
+
+LIST "invalidate TLBs"
+ED 0xff000010, 0x00000004
+
LIST "select mode for cs5 + cs6"
ED 0xff800020, 0xa5a50001
ED 0xfec10000, 0x0000001b
--
GitLab
From 673b74be85bff420cccdc529d8247dbf486e175d Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 20 Aug 2009 13:59:26 +0000
Subject: [PATCH 231/742] sh: jump to p1 during boot on kfr2r09
Add a P1 jump to the the kfr2r09 romimage code. With this
patch applied the initial zImage assembly code will run
with instruction cache enabled.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/mach-kfr2r09/mach/romimage.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/sh/include/mach-kfr2r09/mach/romimage.h b/arch/sh/include/mach-kfr2r09/mach/romimage.h
index f5aa8e16770c..39ee79443569 100644
--- a/arch/sh/include/mach-kfr2r09/mach/romimage.h
+++ b/arch/sh/include/mach-kfr2r09/mach/romimage.h
@@ -73,3 +73,16 @@
.endm
#include "partner-jet-setup.txt"
+
+ /* execute icbi after enabling cache */
+ mov.l 1f, r0
+ icbi @r0
+
+ /* jump to cached area */
+ mova 2f, r0
+ jmp @r0
+ nop
+
+ .align 2
+1: .long 0xa8000000
+2:
--
GitLab
From e498dab4bbf263e1cdb8327b0f019299c44e13e2 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 20 Aug 2009 14:01:24 +0000
Subject: [PATCH 232/742] sh: add kfr2r09 romimage defconfig
Add romImage defconfig for the kfr2r09 board. This defconfig
should be used to build the kernel based boot loader.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/configs/kfr2r09-romimage_defconfig | 774 +++++++++++++++++++++
1 file changed, 774 insertions(+)
create mode 100644 arch/sh/configs/kfr2r09-romimage_defconfig
diff --git a/arch/sh/configs/kfr2r09-romimage_defconfig b/arch/sh/configs/kfr2r09-romimage_defconfig
new file mode 100644
index 000000000000..c0f9263e1387
--- /dev/null
+++ b/arch/sh/configs/kfr2r09-romimage_defconfig
@@ -0,0 +1,774 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.31-rc6
+# Thu Aug 20 15:09:16 2009
+#
+CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+# CONFIG_SUPERH64 is not set
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_IRQ_PER_CPU=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_SYS_SUPPORTS_CMT=y
+CONFIG_SYS_SUPPORTS_TMU=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
+CONFIG_ARCH_HAS_DEFAULT_IDLE=y
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_INITRAMFS_ROOT_UID=0
+CONFIG_INITRAMFS_ROOT_GID=0
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_INITRAMFS_COMPRESSION_NONE is not set
+CONFIG_INITRAMFS_COMPRESSION_GZIP=y
+# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set
+# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+# CONFIG_KALLSYMS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_HAVE_PERF_COUNTERS=y
+
+#
+# Performance Counters
+#
+# CONFIG_PERF_COUNTERS is not set
+CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_STRIP_ASM_SYMS is not set
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+# CONFIG_MODULES is not set
+# CONFIG_BLOCK is not set
+# CONFIG_FREEZER is not set
+
+#
+# System type
+#
+CONFIG_CPU_SH4=y
+CONFIG_CPU_SH4A=y
+CONFIG_CPU_SHX2=y
+CONFIG_ARCH_SHMOBILE=y
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7201 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7706 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+# CONFIG_CPU_SUBTYPE_SH7710 is not set
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+# CONFIG_CPU_SUBTYPE_SH7751R is not set
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+CONFIG_CPU_SUBTYPE_SH7724=y
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SH7786 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
+# CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+
+#
+# Memory management options
+#
+CONFIG_QUICKLIST=y
+CONFIG_MMU=y
+CONFIG_PAGE_OFFSET=0x80000000
+CONFIG_FORCE_MAX_ZONEORDER=11
+CONFIG_MEMORY_START=0x08000000
+CONFIG_MEMORY_SIZE=0x08000000
+CONFIG_29BIT=y
+# CONFIG_X2TLB is not set
+CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+
+#
+# Cache configuration
+#
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
+CONFIG_SH_FPU=y
+# CONFIG_SH_STORE_QUEUES is not set
+CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_FPU=y
+
+#
+# Board support
+#
+# CONFIG_SH_7724_SOLUTION_ENGINE is not set
+CONFIG_SH_KFR2R09=y
+# CONFIG_SH_ECOVEC is not set
+
+#
+# Timer and clock configuration
+#
+# CONFIG_SH_TIMER_TMU is not set
+CONFIG_SH_TIMER_CMT=y
+CONFIG_SH_PCLK_FREQ=33333333
+CONFIG_SH_CLK_CPG=y
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+# CONFIG_SH_DMA is not set
+
+#
+# Companion Chips
+#
+
+#
+# Additional SuperH Device Drivers
+#
+# CONFIG_HEARTBEAT is not set
+# CONFIG_PUSH_SWITCH is not set
+
+#
+# Kernel features
+#
+CONFIG_HZ_100=y
+# CONFIG_HZ_250 is not set
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=100
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_KEXEC=y
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_GUSA=y
+# CONFIG_SPARSE_IRQ is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x00800000
+CONFIG_ENTRY_OFFSET=0x00001000
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="console=ttySC1,115200 quiet"
+
+#
+# Bus options
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options (EXPERIMENTAL)
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+# CONFIG_SUSPEND is not set
+# CONFIG_CPU_IDLE is not set
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_PNP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+
+#
+# SCSI device support
+#
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_NETDEVICES is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=6
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+# CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_SH_MOBILE=y
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+# CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+CONFIG_USB_GADGET_R8A66597=y
+CONFIG_USB_R8A66597=y
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C_HSOTG is not set
+# CONFIG_USB_GADGET_IMX is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LANGWELL is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+# CONFIG_USB_ZERO is not set
+# CONFIG_USB_AUDIO is not set
+# CONFIG_USB_ETH is not set
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+CONFIG_USB_CDC_COMPOSITE=y
+
+#
+# OTG and related infrastructure
+#
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_NOP_USB_XCEIV is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_FILE_LOCKING=y
+# CONFIG_FSNOTIFY is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_INOTIFY_USER is not set
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+# CONFIG_NETWORK_FILESYSTEMS is not set
+# CONFIG_NLS is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FTRACE_SYSCALLS=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_DMA_API_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_SH_STANDARD_BIOS is not set
+# CONFIG_EARLY_SCIF_CONSOLE is not set
+# CONFIG_DWARF_UNWINDER is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_GENERIC_FIND_LAST_BIT=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+# CONFIG_CRC32 is not set
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_HAVE_LMB=y
+CONFIG_NLATTR=y
+CONFIG_GENERIC_ATOMIC64=y
--
GitLab
From a81bec7653a098349af247926bb19c2889dde803 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 20 Aug 2009 14:02:24 +0000
Subject: [PATCH 233/742] sh: update kfr2r09 defconfig
Update the kfr2r09 defconfig with support for LCDC and USB gadget.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/configs/kfr2r09_defconfig | 212 +++++++++++++++++++++++++++---
1 file changed, 197 insertions(+), 15 deletions(-)
diff --git a/arch/sh/configs/kfr2r09_defconfig b/arch/sh/configs/kfr2r09_defconfig
index 90e575c34d58..cef61319d2f4 100644
--- a/arch/sh/configs/kfr2r09_defconfig
+++ b/arch/sh/configs/kfr2r09_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.31-rc3
-# Thu Jul 23 17:45:09 2009
+# Linux kernel version: 2.6.31-rc6
+# Thu Aug 20 21:58:52 2009
#
CONFIG_SUPERH=y
CONFIG_SUPERH32=y
@@ -38,6 +38,7 @@ CONFIG_CONSTRUCTORS=y
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
# CONFIG_LOCALVERSION_AUTO is not set
@@ -132,7 +133,12 @@ CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
-# CONFIG_MODULES is not set
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_BLOCK=y
CONFIG_LBDAF=y
# CONFIG_BLK_DEV_BSG is not set
@@ -255,6 +261,7 @@ CONFIG_CPU_HAS_FPU=y
#
# CONFIG_SH_7724_SOLUTION_ENGINE is not set
CONFIG_SH_KFR2R09=y
+# CONFIG_SH_ECOVEC is not set
#
# Timer and clock configuration
@@ -301,8 +308,8 @@ CONFIG_KEXEC=y
# CONFIG_CRASH_DUMP is not set
# CONFIG_SECCOMP is not set
# CONFIG_PREEMPT_NONE is not set
-CONFIG_PREEMPT_VOLUNTARY=y
-# CONFIG_PREEMPT is not set
+# CONFIG_PREEMPT_VOLUNTARY is not set
+CONFIG_PREEMPT=y
CONFIG_GUSA=y
# CONFIG_SPARSE_IRQ is not set
@@ -313,7 +320,7 @@ CONFIG_ZERO_PAGE_OFFSET=0x00001000
CONFIG_BOOT_LINK_OFFSET=0x00800000
CONFIG_ENTRY_OFFSET=0x00001000
CONFIG_CMDLINE_BOOL=y
-CONFIG_CMDLINE="console=ttySC1,115200"
+CONFIG_CMDLINE="console=tty0 console=ttySC1,115200"
#
# Bus options
@@ -427,6 +434,7 @@ CONFIG_MTD=y
# CONFIG_MTD_DEBUG is not set
CONFIG_MTD_CONCAT=y
CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_TESTS is not set
# CONFIG_MTD_REDBOOT_PARTS is not set
CONFIG_MTD_CMDLINE_PARTS=y
# CONFIG_MTD_AR7_PARTS is not set
@@ -639,6 +647,7 @@ CONFIG_I2C_SH_MOBILE=y
# Other I2C/SMBus bus drivers
#
# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
#
# Miscellaneous I2C Chip support
@@ -715,7 +724,35 @@ CONFIG_SSB_POSSIBLE=y
#
# CONFIG_VGASTATE is not set
# CONFIG_VIDEO_OUTPUT_CONTROL is not set
-# CONFIG_FB is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+# CONFIG_FB_CFB_FILLRECT is not set
+# CONFIG_FB_CFB_COPYAREA is not set
+# CONFIG_FB_CFB_IMAGEBLIT is not set
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+CONFIG_FB_SYS_FILLRECT=y
+CONFIG_FB_SYS_COPYAREA=y
+CONFIG_FB_SYS_IMAGEBLIT=y
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+CONFIG_FB_SYS_FOPS=y
+CONFIG_FB_DEFERRED_IO=y
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_SH_MOBILE_LCDC=y
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
#
@@ -727,15 +764,157 @@ CONFIG_SSB_POSSIBLE=y
# Console display driver support
#
CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+CONFIG_FONTS=y
+# CONFIG_FONT_8x8 is not set
+# CONFIG_FONT_8x16 is not set
+# CONFIG_FONT_6x11 is not set
+# CONFIG_FONT_7x14 is not set
+# CONFIG_FONT_PEARL_8x8 is not set
+# CONFIG_FONT_ACORN_8x8 is not set
+CONFIG_FONT_MINI_4x6=y
+# CONFIG_FONT_SUN8x16 is not set
+# CONFIG_FONT_SUN12x22 is not set
+# CONFIG_FONT_10x18 is not set
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+# CONFIG_LOGO_LINUX_CLUT224 is not set
+# CONFIG_LOGO_SUPERH_MONO is not set
+CONFIG_LOGO_SUPERH_VGA16=y
+# CONFIG_LOGO_SUPERH_CLUT224 is not set
# CONFIG_SOUND is not set
# CONFIG_HID_SUPPORT is not set
-# CONFIG_USB_SUPPORT is not set
-# CONFIG_MMC is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+# CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+CONFIG_USB_GADGET_R8A66597=y
+CONFIG_USB_R8A66597=y
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C_HSOTG is not set
+# CONFIG_USB_GADGET_IMX is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LANGWELL is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+# CONFIG_USB_ZERO is not set
+# CONFIG_USB_AUDIO is not set
+# CONFIG_USB_ETH is not set
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+CONFIG_USB_CDC_COMPOSITE=y
+
+#
+# OTG and related infrastructure
+#
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_NOP_USB_XCEIV is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD/SDIO Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
+# CONFIG_MMC_SDHCI is not set
# CONFIG_MEMSTICK is not set
# CONFIG_NEW_LEDS is not set
# CONFIG_ACCESSIBILITY is not set
CONFIG_RTC_LIB=y
-# CONFIG_RTC_CLASS is not set
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
+
+#
+# SPI RTC drivers
+#
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_SH=y
+# CONFIG_RTC_DRV_GENERIC is not set
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
CONFIG_UIO=y
@@ -763,8 +942,10 @@ CONFIG_UIO_PDRV_GENIRQ=y
# CONFIG_OCFS2_FS is not set
# CONFIG_BTRFS_FS is not set
CONFIG_FILE_LOCKING=y
-# CONFIG_FSNOTIFY is not set
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
# CONFIG_INOTIFY is not set
+CONFIG_INOTIFY_USER=y
# CONFIG_QUOTA is not set
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
@@ -829,7 +1010,7 @@ CONFIG_DEBUG_FS=y
# CONFIG_DEBUG_MEMORY_INIT is not set
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
# CONFIG_LATENCYTOP is not set
-CONFIG_SYSCTL_SYSCALL_CHECK=y
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
@@ -844,6 +1025,7 @@ CONFIG_TRACING_SUPPORT=y
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_SH_STANDARD_BIOS is not set
# CONFIG_EARLY_SCIF_CONSOLE is not set
+# CONFIG_DWARF_UNWINDER is not set
#
# Security options
@@ -862,10 +1044,10 @@ CONFIG_BITREVERSE=y
CONFIG_GENERIC_FIND_LAST_BIT=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
-CONFIG_CRC_T10DIF=y
-CONFIG_CRC_ITU_T=y
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
-CONFIG_CRC7=y
+# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_DECOMPRESS_GZIP=y
--
GitLab
From 9e7291c1124655980ab05fc89930de8e218c7d64 Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Date: Thu, 20 Aug 2009 07:01:06 +0000
Subject: [PATCH 234/742] usb: r8a66597-udc: implement the set_wedge method
fix the problem that MSC Tests of USBCV detects some warnings.
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/usb/gadget/r8a66597-udc.c | 28 ++++++++++++++++++++++++++--
drivers/usb/gadget/r8a66597-udc.h | 1 +
2 files changed, 27 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 9ca867a85a05..e220fb8091a3 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -966,8 +966,13 @@ static void clear_feature(struct r8a66597 *r8a66597,
u16 w_index = le16_to_cpu(ctrl->wIndex);
ep = r8a66597->epaddr2ep[w_index & USB_ENDPOINT_NUMBER_MASK];
- pipe_stop(r8a66597, ep->pipenum);
- control_reg_sqclr(r8a66597, ep->pipenum);
+ if (!ep->wedge) {
+ pipe_stop(r8a66597, ep->pipenum);
+ control_reg_sqclr(r8a66597, ep->pipenum);
+ spin_unlock(&r8a66597->lock);
+ usb_ep_clear_halt(&ep->ep);
+ spin_lock(&r8a66597->lock);
+ }
control_end(r8a66597, 1);
@@ -1340,6 +1345,7 @@ static int r8a66597_set_halt(struct usb_ep *_ep, int value)
pipe_stall(ep->r8a66597, ep->pipenum);
} else {
ep->busy = 0;
+ ep->wedge = 0;
pipe_stop(ep->r8a66597, ep->pipenum);
}
@@ -1348,6 +1354,23 @@ out:
return ret;
}
+static int r8a66597_set_wedge(struct usb_ep *_ep)
+{
+ struct r8a66597_ep *ep;
+ unsigned long flags;
+
+ ep = container_of(_ep, struct r8a66597_ep, ep);
+
+ if (!ep || !ep->desc)
+ return -EINVAL;
+
+ spin_lock_irqsave(&ep->r8a66597->lock, flags);
+ ep->wedge = 1;
+ spin_unlock_irqrestore(&ep->r8a66597->lock, flags);
+
+ return usb_ep_set_halt(_ep);
+}
+
static void r8a66597_fifo_flush(struct usb_ep *_ep)
{
struct r8a66597_ep *ep;
@@ -1373,6 +1396,7 @@ static struct usb_ep_ops r8a66597_ep_ops = {
.dequeue = r8a66597_dequeue,
.set_halt = r8a66597_set_halt,
+ .set_wedge = r8a66597_set_wedge,
.fifo_flush = r8a66597_fifo_flush,
};
diff --git a/drivers/usb/gadget/r8a66597-udc.h b/drivers/usb/gadget/r8a66597-udc.h
index e653575d4ceb..03087e7b9190 100644
--- a/drivers/usb/gadget/r8a66597-udc.h
+++ b/drivers/usb/gadget/r8a66597-udc.h
@@ -73,6 +73,7 @@ struct r8a66597_ep {
struct list_head queue;
unsigned busy:1;
+ unsigned wedge:1;
unsigned internal_ccpl:1; /* use only control */
/* this member can able to after r8a66597_enable */
--
GitLab
From f9bd71f255b4349c4f9f596863161fd5182f67fa Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 21 Aug 2009 16:20:57 +0900
Subject: [PATCH 235/742] sh: Kill off unused cpu/cacheflush.h.
All CPU-specific overloads are done at runtime now, so this common header
can go away and simply be folded back in to asm/ version.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 32 +++++++++++++++-
arch/sh/include/cpu-common/cpu/cacheflush.h | 42 ---------------------
2 files changed, 31 insertions(+), 43 deletions(-)
delete mode 100644 arch/sh/include/cpu-common/cpu/cacheflush.h
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 25b7f46494de..32299b7c2b48 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -4,7 +4,37 @@
#ifdef __KERNEL__
#include <linux/mm.h>
-#include <cpu/cacheflush.h>
+
+/*
+ * Cache flushing:
+ *
+ * - flush_cache_all() flushes entire cache
+ * - flush_cache_mm(mm) flushes the specified mm context's cache lines
+ * - flush_cache_dup mm(mm) handles cache flushing when forking
+ * - flush_cache_page(mm, vmaddr, pfn) flushes a single page
+ * - flush_cache_range(vma, start, end) flushes a range of pages
+ *
+ * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
+ * - flush_icache_range(start, end) flushes(invalidates) a range for icache
+ * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
+ * - flush_cache_sigtramp(vaddr) flushes the signal trampoline
+ */
+extern void (*flush_cache_all)(void);
+extern void (*flush_cache_mm)(struct mm_struct *mm);
+extern void (*flush_cache_dup_mm)(struct mm_struct *mm);
+extern void (*flush_cache_page)(struct vm_area_struct *vma,
+ unsigned long addr, unsigned long pfn);
+extern void (*flush_cache_range)(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end);
+extern void (*flush_dcache_page)(struct page *page);
+extern void (*flush_icache_range)(unsigned long start, unsigned long end);
+extern void (*flush_icache_page)(struct vm_area_struct *vma,
+ struct page *page);
+extern void (*flush_cache_sigtramp)(unsigned long address);
+
+extern void (*__flush_wback_region)(void *start, int size);
+extern void (*__flush_purge_region)(void *start, int size);
+extern void (*__flush_invalidate_region)(void *start, int size);
#define ARCH_HAS_FLUSH_ANON_PAGE
extern void __flush_anon_page(struct page *page, unsigned long);
diff --git a/arch/sh/include/cpu-common/cpu/cacheflush.h b/arch/sh/include/cpu-common/cpu/cacheflush.h
deleted file mode 100644
index 8189dbd68f8f..000000000000
--- a/arch/sh/include/cpu-common/cpu/cacheflush.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2003 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_CPU_SH_CACHEFLUSH_H
-#define __ASM_CPU_SH_CACHEFLUSH_H
-
-/*
- * Cache flushing:
- *
- * - flush_cache_all() flushes entire cache
- * - flush_cache_mm(mm) flushes the specified mm context's cache lines
- * - flush_cache_dup mm(mm) handles cache flushing when forking
- * - flush_cache_page(mm, vmaddr, pfn) flushes a single page
- * - flush_cache_range(vma, start, end) flushes a range of pages
- *
- * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
- * - flush_icache_range(start, end) flushes(invalidates) a range for icache
- * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
- * - flush_cache_sigtramp(vaddr) flushes the signal trampoline
- */
-extern void (*flush_cache_all)(void);
-extern void (*flush_cache_mm)(struct mm_struct *mm);
-extern void (*flush_cache_dup_mm)(struct mm_struct *mm);
-extern void (*flush_cache_page)(struct vm_area_struct *vma,
- unsigned long addr, unsigned long pfn);
-extern void (*flush_cache_range)(struct vm_area_struct *vma,
- unsigned long start, unsigned long end);
-extern void (*flush_dcache_page)(struct page *page);
-extern void (*flush_icache_range)(unsigned long start, unsigned long end);
-extern void (*flush_icache_page)(struct vm_area_struct *vma,
- struct page *page);
-extern void (*flush_cache_sigtramp)(unsigned long address);
-
-extern void (*__flush_wback_region)(void *start, int size);
-extern void (*__flush_purge_region)(void *start, int size);
-extern void (*__flush_invalidate_region)(void *start, int size);
-
-#endif /* __ASM_CPU_SH_CACHEFLUSH_H */
--
GitLab
From f26b2a562b46ab186c8383993ab1332673ac4a47 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 21 Aug 2009 17:23:14 +0900
Subject: [PATCH 236/742] sh: Make cache flushers SMP-aware.
This does a bit of rework for making the cache flushers SMP-aware. The
function pointer-based flushers are renamed to local variants with the
exported interface being commonly implemented and wrapping as necessary.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 41 ++++++---
arch/sh/mm/cache-sh2a.c | 10 ++-
arch/sh/mm/cache-sh4.c | 54 ++++++++----
arch/sh/mm/cache-sh5.c | 64 +++++++++------
arch/sh/mm/cache-sh7705.c | 67 +++++----------
arch/sh/mm/cache.c | 137 ++++++++++++++++++-------------
6 files changed, 213 insertions(+), 160 deletions(-)
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 32299b7c2b48..11e416630585 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -19,23 +19,40 @@
* - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
* - flush_cache_sigtramp(vaddr) flushes the signal trampoline
*/
-extern void (*flush_cache_all)(void);
-extern void (*flush_cache_mm)(struct mm_struct *mm);
-extern void (*flush_cache_dup_mm)(struct mm_struct *mm);
-extern void (*flush_cache_page)(struct vm_area_struct *vma,
- unsigned long addr, unsigned long pfn);
-extern void (*flush_cache_range)(struct vm_area_struct *vma,
- unsigned long start, unsigned long end);
-extern void (*flush_dcache_page)(struct page *page);
-extern void (*flush_icache_range)(unsigned long start, unsigned long end);
-extern void (*flush_icache_page)(struct vm_area_struct *vma,
- struct page *page);
-extern void (*flush_cache_sigtramp)(unsigned long address);
+extern void (*local_flush_cache_all)(void *args);
+extern void (*local_flush_cache_mm)(void *args);
+extern void (*local_flush_cache_dup_mm)(void *args);
+extern void (*local_flush_cache_page)(void *args);
+extern void (*local_flush_cache_range)(void *args);
+extern void (*local_flush_dcache_page)(void *args);
+extern void (*local_flush_icache_range)(void *args);
+extern void (*local_flush_icache_page)(void *args);
+extern void (*local_flush_cache_sigtramp)(void *args);
+
+static inline void cache_noop(void *args) { }
extern void (*__flush_wback_region)(void *start, int size);
extern void (*__flush_purge_region)(void *start, int size);
extern void (*__flush_invalidate_region)(void *start, int size);
+extern void flush_cache_all(void);
+extern void flush_cache_mm(struct mm_struct *mm);
+extern void flush_cache_dup_mm(struct mm_struct *mm);
+extern void flush_cache_page(struct vm_area_struct *vma,
+ unsigned long addr, unsigned long pfn);
+extern void flush_cache_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end);
+extern void flush_dcache_page(struct page *page);
+extern void flush_icache_range(unsigned long start, unsigned long end);
+extern void flush_icache_page(struct vm_area_struct *vma,
+ struct page *page);
+extern void flush_cache_sigtramp(unsigned long address);
+
+struct flusher_data {
+ struct vm_area_struct *vma;
+ unsigned long addr1, addr2;
+};
+
#define ARCH_HAS_FLUSH_ANON_PAGE
extern void __flush_anon_page(struct page *page, unsigned long);
diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c
index 96a41872dfd3..975899d83564 100644
--- a/arch/sh/mm/cache-sh2a.c
+++ b/arch/sh/mm/cache-sh2a.c
@@ -97,13 +97,15 @@ static void sh2a__flush_invalidate_region(void *start, int size)
}
/* WBack O-Cache and flush I-Cache */
-static void sh2a_flush_icache_range(unsigned long start, unsigned long end)
+static void sh2a_flush_icache_range(void *args)
{
+ struct flusher_data *data = args;
+ unsigned long start, end;
unsigned long v;
unsigned long flags;
- start = start & ~(L1_CACHE_BYTES-1);
- end = (end + L1_CACHE_BYTES-1) & ~(L1_CACHE_BYTES-1);
+ start = data->addr1 & ~(L1_CACHE_BYTES-1);
+ end = (data->addr2 + L1_CACHE_BYTES-1) & ~(L1_CACHE_BYTES-1);
local_irq_save(flags);
jump_to_uncached();
@@ -130,7 +132,7 @@ static void sh2a_flush_icache_range(unsigned long start, unsigned long end)
void __init sh2a_cache_init(void)
{
- flush_icache_range = sh2a_flush_icache_range;
+ local_flush_icache_range = sh2a_flush_icache_range;
__flush_wback_region = sh2a__flush_wback_region;
__flush_purge_region = sh2a__flush_purge_region;
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 6c2db1401080..9201b37c7cca 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -43,15 +43,20 @@ static void (*__flush_dcache_segment_fn)(unsigned long, unsigned long) =
* Called from kernel/module.c:sys_init_module and routine for a.out format,
* signal handler code and kprobes code
*/
-static void sh4_flush_icache_range(unsigned long start, unsigned long end)
+static void sh4_flush_icache_range(void *args)
{
+ struct flusher_data *data = args;
int icacheaddr;
+ unsigned long start, end;
unsigned long flags, v;
int i;
+ start = data->addr1;
+ end = data->addr2;
+
/* If there are too many pages then just blow the caches */
if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) {
- flush_cache_all();
+ local_flush_cache_all(args);
} else {
/* selectively flush d-cache then invalidate the i-cache */
/* this is inefficient, so only use for small ranges */
@@ -104,7 +109,7 @@ static inline void flush_cache_4096(unsigned long start,
* Write back & invalidate the D-cache of the page.
* (To avoid "alias" issues)
*/
-static void sh4_flush_dcache_page(struct page *page)
+static void sh4_flush_dcache_page(void *page)
{
#ifndef CONFIG_SMP
struct address_space *mapping = page_mapping(page);
@@ -155,7 +160,7 @@ static inline void flush_dcache_all(void)
wmb();
}
-static void sh4_flush_cache_all(void)
+static void sh4_flush_cache_all(void *unused)
{
flush_dcache_all();
flush_icache_all();
@@ -247,8 +252,10 @@ loop_exit:
*
* Caller takes mm->mmap_sem.
*/
-static void sh4_flush_cache_mm(struct mm_struct *mm)
+static void sh4_flush_cache_mm(void *arg)
{
+ struct mm_struct *mm = arg;
+
if (cpu_context(smp_processor_id(), mm) == NO_CONTEXT)
return;
@@ -287,12 +294,18 @@ static void sh4_flush_cache_mm(struct mm_struct *mm)
* ADDR: Virtual Address (U0 address)
* PFN: Physical page number
*/
-static void sh4_flush_cache_page(struct vm_area_struct *vma,
- unsigned long address, unsigned long pfn)
+static void sh4_flush_cache_page(void *args)
{
- unsigned long phys = pfn << PAGE_SHIFT;
+ struct flusher_data *data = args;
+ struct vm_area_struct *vma;
+ unsigned long address, pfn, phys;
unsigned int alias_mask;
+ vma = data->vma;
+ address = data->addr1;
+ pfn = data->addr2;
+ phys = pfn << PAGE_SHIFT;
+
if (cpu_context(smp_processor_id(), vma->vm_mm) == NO_CONTEXT)
return;
@@ -335,9 +348,16 @@ static void sh4_flush_cache_page(struct vm_area_struct *vma,
* Flushing the cache lines for U0 only isn't enough.
* We need to flush for P1 too, which may contain aliases.
*/
-static void sh4_flush_cache_range(struct vm_area_struct *vma,
- unsigned long start, unsigned long end)
+static void sh4_flush_cache_range(void *args)
{
+ struct flusher_data *data = args;
+ struct vm_area_struct *vma;
+ unsigned long start, end;
+
+ vma = data->vma;
+ start = data->addr1;
+ end = data->addr2;
+
if (cpu_context(smp_processor_id(), vma->vm_mm) == NO_CONTEXT)
return;
@@ -663,13 +683,13 @@ void __init sh4_cache_init(void)
break;
}
- flush_icache_range = sh4_flush_icache_range;
- flush_dcache_page = sh4_flush_dcache_page;
- flush_cache_all = sh4_flush_cache_all;
- flush_cache_mm = sh4_flush_cache_mm;
- flush_cache_dup_mm = sh4_flush_cache_mm;
- flush_cache_page = sh4_flush_cache_page;
- flush_cache_range = sh4_flush_cache_range;
+ local_flush_icache_range = sh4_flush_icache_range;
+ local_flush_dcache_page = sh4_flush_dcache_page;
+ local_flush_cache_all = sh4_flush_cache_all;
+ local_flush_cache_mm = sh4_flush_cache_mm;
+ local_flush_cache_dup_mm = sh4_flush_cache_mm;
+ local_flush_cache_page = sh4_flush_cache_page;
+ local_flush_cache_range = sh4_flush_cache_range;
sh4__flush_region_init();
}
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index d4a445c865d7..467ff8e260f7 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -483,7 +483,7 @@ static void sh64_dcache_purge_user_range(struct mm_struct *mm,
* Invalidate the entire contents of both caches, after writing back to
* memory any dirty data from the D-cache.
*/
-static void sh5_flush_cache_all(void)
+static void sh5_flush_cache_all(void *unused)
{
sh64_dcache_purge_all();
sh64_icache_inv_all();
@@ -510,7 +510,7 @@ static void sh5_flush_cache_all(void)
* I-cache. This is similar to the lack of action needed in
* flush_tlb_mm - see fault.c.
*/
-static void sh5_flush_cache_mm(struct mm_struct *mm)
+static void sh5_flush_cache_mm(void *unused)
{
sh64_dcache_purge_all();
}
@@ -522,13 +522,18 @@ static void sh5_flush_cache_mm(struct mm_struct *mm)
*
* Note, 'end' is 1 byte beyond the end of the range to flush.
*/
-static void sh5_flush_cache_range(struct vm_area_struct *vma,
- unsigned long start, unsigned long end)
+static void sh5_flush_cache_range(void *args)
{
- struct mm_struct *mm = vma->vm_mm;
+ struct flusher_data *data = args;
+ struct vm_area_struct *vma;
+ unsigned long start, end;
- sh64_dcache_purge_user_range(mm, start, end);
- sh64_icache_inv_user_page_range(mm, start, end);
+ vma = data->vma;
+ start = data->addr1;
+ end = data->addr2;
+
+ sh64_dcache_purge_user_range(vma->vm_mm, start, end);
+ sh64_icache_inv_user_page_range(vma->vm_mm, start, end);
}
/*
@@ -540,16 +545,23 @@ static void sh5_flush_cache_range(struct vm_area_struct *vma,
*
* Note, this is called with pte lock held.
*/
-static void sh5_flush_cache_page(struct vm_area_struct *vma,
- unsigned long eaddr, unsigned long pfn)
+static void sh5_flush_cache_page(void *args)
{
+ struct flusher_data *data = args;
+ struct vm_area_struct *vma;
+ unsigned long eaddr, pfn;
+
+ vma = data->vma;
+ eaddr = data->addr1;
+ pfn = data->addr2;
+
sh64_dcache_purge_phy_page(pfn << PAGE_SHIFT);
if (vma->vm_flags & VM_EXEC)
sh64_icache_inv_user_page(vma, eaddr);
}
-static void sh5_flush_dcache_page(struct page *page)
+static void sh5_flush_dcache_page(void *page)
{
sh64_dcache_purge_phy_page(page_to_phys(page));
wmb();
@@ -563,8 +575,14 @@ static void sh5_flush_dcache_page(struct page *page)
* mapping, therefore it's guaranteed that there no cache entries for
* the range in cache sets of the wrong colour.
*/
-static void sh5_flush_icache_range(unsigned long start, unsigned long end)
+static void sh5_flush_icache_range(void *args)
{
+ struct flusher_data *data = args;
+ unsigned long start, end;
+
+ start = data->addr1;
+ end = data->addr2;
+
__flush_purge_region((void *)start, end);
wmb();
sh64_icache_inv_kernel_range(start, end);
@@ -576,25 +594,25 @@ static void sh5_flush_icache_range(unsigned long start, unsigned long end)
* current process. Used to flush signal trampolines on the stack to
* make them executable.
*/
-static void sh5_flush_cache_sigtramp(unsigned long vaddr)
+static void sh5_flush_cache_sigtramp(void *vaddr)
{
- unsigned long end = vaddr + L1_CACHE_BYTES;
+ unsigned long end = (unsigned long)vaddr + L1_CACHE_BYTES;
- __flush_wback_region((void *)vaddr, L1_CACHE_BYTES);
+ __flush_wback_region(vaddr, L1_CACHE_BYTES);
wmb();
- sh64_icache_inv_current_user_range(vaddr, end);
+ sh64_icache_inv_current_user_range((unsigned long)vaddr, end);
}
void __init sh5_cache_init(void)
{
- flush_cache_all = sh5_flush_cache_all;
- flush_cache_mm = sh5_flush_cache_mm;
- flush_cache_dup_mm = sh5_flush_cache_mm;
- flush_cache_page = sh5_flush_cache_page;
- flush_cache_range = sh5_flush_cache_range;
- flush_dcache_page = sh5_flush_dcache_page;
- flush_icache_range = sh5_flush_icache_range;
- flush_cache_sigtramp = sh5_flush_cache_sigtramp;
+ local_flush_cache_all = sh5_flush_cache_all;
+ local_flush_cache_mm = sh5_flush_cache_mm;
+ local_flush_cache_dup_mm = sh5_flush_cache_mm;
+ local_flush_cache_page = sh5_flush_cache_page;
+ local_flush_cache_range = sh5_flush_cache_range;
+ local_flush_dcache_page = sh5_flush_dcache_page;
+ local_flush_icache_range = sh5_flush_icache_range;
+ local_flush_cache_sigtramp = sh5_flush_cache_sigtramp;
/* Reserve a slot for dcache colouring in the DTLB */
dtlb_cache_slot = sh64_get_wired_dtlb_entry();
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index f1d5c803c04b..6293f57fa888 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -64,8 +64,14 @@ static inline void cache_wback_all(void)
*
* Called from kernel/module.c:sys_init_module and routine for a.out format.
*/
-static void sh7705_flush_icache_range(unsigned long start, unsigned long end)
+static void sh7705_flush_icache_range(void *args)
{
+ struct flusher_data *data = args;
+ unsigned long start, end;
+
+ start = data->addr1;
+ end = data->addr2;
+
__flush_wback_region((void *)start, end - start);
}
@@ -127,7 +133,7 @@ static void __flush_dcache_page(unsigned long phys)
* Write back & invalidate the D-cache of the page.
* (To avoid "alias" issues)
*/
-static void sh7705_flush_dcache_page(struct page *page)
+static void sh7705_flush_dcache_page(void *page)
{
struct address_space *mapping = page_mapping(page);
@@ -137,7 +143,7 @@ static void sh7705_flush_dcache_page(struct page *page)
__flush_dcache_page(PHYSADDR(page_address(page)));
}
-static void sh7705_flush_cache_all(void)
+static void sh7705_flush_cache_all(void *args)
{
unsigned long flags;
@@ -149,44 +155,16 @@ static void sh7705_flush_cache_all(void)
local_irq_restore(flags);
}
-static void sh7705_flush_cache_mm(struct mm_struct *mm)
-{
- /* Is there any good way? */
- /* XXX: possibly call flush_cache_range for each vm area */
- flush_cache_all();
-}
-
-/*
- * Write back and invalidate D-caches.
- *
- * START, END: Virtual Address (U0 address)
- *
- * NOTE: We need to flush the _physical_ page entry.
- * Flushing the cache lines for U0 only isn't enough.
- * We need to flush for P1 too, which may contain aliases.
- */
-static void sh7705_flush_cache_range(struct vm_area_struct *vma,
- unsigned long start, unsigned long end)
-{
-
- /*
- * We could call flush_cache_page for the pages of these range,
- * but it's not efficient (scan the caches all the time...).
- *
- * We can't use A-bit magic, as there's the case we don't have
- * valid entry on TLB.
- */
- flush_cache_all();
-}
-
/*
* Write back and invalidate I/D-caches for the page.
*
* ADDRESS: Virtual Address (U0 address)
*/
-static void sh7705_flush_cache_page(struct vm_area_struct *vma,
- unsigned long address, unsigned long pfn)
+static void sh7705_flush_cache_page(void *args)
{
+ struct flusher_data *data = args;
+ unsigned long pfn = data->addr2;
+
__flush_dcache_page(pfn << PAGE_SHIFT);
}
@@ -198,20 +176,19 @@ static void sh7705_flush_cache_page(struct vm_area_struct *vma,
* Not entirely sure why this is necessary on SH3 with 32K cache but
* without it we get occasional "Memory fault" when loading a program.
*/
-static void sh7705_flush_icache_page(struct vm_area_struct *vma,
- struct page *page)
+static void sh7705_flush_icache_page(void *page)
{
__flush_purge_region(page_address(page), PAGE_SIZE);
}
void __init sh7705_cache_init(void)
{
- flush_icache_range = sh7705_flush_icache_range;
- flush_dcache_page = sh7705_flush_dcache_page;
- flush_cache_all = sh7705_flush_cache_all;
- flush_cache_mm = sh7705_flush_cache_mm;
- flush_cache_dup_mm = sh7705_flush_cache_mm;
- flush_cache_range = sh7705_flush_cache_range;
- flush_cache_page = sh7705_flush_cache_page;
- flush_icache_page = sh7705_flush_icache_page;
+ local_flush_icache_range = sh7705_flush_icache_range;
+ local_flush_dcache_page = sh7705_flush_dcache_page;
+ local_flush_cache_all = sh7705_flush_cache_all;
+ local_flush_cache_mm = sh7705_flush_cache_all;
+ local_flush_cache_dup_mm = sh7705_flush_cache_all;
+ local_flush_cache_range = sh7705_flush_cache_all;
+ local_flush_cache_page = sh7705_flush_cache_page;
+ local_flush_icache_page = sh7705_flush_icache_page;
}
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index d60239460436..411fe6058429 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -1,5 +1,5 @@
/*
- * arch/sh/mm/pg-mmu.c
+ * arch/sh/mm/cache.c
*
* Copyright (C) 1999, 2000, 2002 Niibe Yutaka
* Copyright (C) 2002 - 2009 Paul Mundt
@@ -10,63 +10,26 @@
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/fs.h>
+#include <linux/smp.h>
#include <linux/highmem.h>
#include <linux/module.h>
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
-void (*flush_cache_all)(void);
-void (*flush_cache_mm)(struct mm_struct *mm);
-void (*flush_cache_dup_mm)(struct mm_struct *mm);
-void (*flush_cache_page)(struct vm_area_struct *vma,
- unsigned long addr, unsigned long pfn);
-void (*flush_cache_range)(struct vm_area_struct *vma,
- unsigned long start, unsigned long end);
-void (*flush_dcache_page)(struct page *page);
-void (*flush_icache_range)(unsigned long start, unsigned long end);
-void (*flush_icache_page)(struct vm_area_struct *vma,
- struct page *page);
-void (*flush_cache_sigtramp)(unsigned long address);
+void (*local_flush_cache_all)(void *args) = cache_noop;
+void (*local_flush_cache_mm)(void *args) = cache_noop;
+void (*local_flush_cache_dup_mm)(void *args) = cache_noop;
+void (*local_flush_cache_page)(void *args) = cache_noop;
+void (*local_flush_cache_range)(void *args) = cache_noop;
+void (*local_flush_dcache_page)(void *args) = cache_noop;
+void (*local_flush_icache_range)(void *args) = cache_noop;
+void (*local_flush_icache_page)(void *args) = cache_noop;
+void (*local_flush_cache_sigtramp)(void *args) = cache_noop;
+
void (*__flush_wback_region)(void *start, int size);
void (*__flush_purge_region)(void *start, int size);
void (*__flush_invalidate_region)(void *start, int size);
-static inline void noop_flush_cache_all(void)
-{
-}
-
-static inline void noop_flush_cache_mm(struct mm_struct *mm)
-{
-}
-
-static inline void noop_flush_cache_page(struct vm_area_struct *vma,
- unsigned long addr, unsigned long pfn)
-{
-}
-
-static inline void noop_flush_cache_range(struct vm_area_struct *vma,
- unsigned long start, unsigned long end)
-{
-}
-
-static inline void noop_flush_dcache_page(struct page *page)
-{
-}
-
-static inline void noop_flush_icache_range(unsigned long start,
- unsigned long end)
-{
-}
-
-static inline void noop_flush_icache_page(struct vm_area_struct *vma,
- struct page *page)
-{
-}
-
-static inline void noop_flush_cache_sigtramp(unsigned long address)
-{
-}
-
static inline void noop__flush_region(void *start, int size)
{
}
@@ -184,6 +147,72 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
}
}
+void flush_cache_all(void)
+{
+ on_each_cpu(local_flush_cache_all, NULL, 1);
+}
+
+void flush_cache_mm(struct mm_struct *mm)
+{
+ on_each_cpu(local_flush_cache_mm, mm, 1);
+}
+
+void flush_cache_dup_mm(struct mm_struct *mm)
+{
+ on_each_cpu(local_flush_cache_dup_mm, mm, 1);
+}
+
+void flush_cache_page(struct vm_area_struct *vma, unsigned long addr,
+ unsigned long pfn)
+{
+ struct flusher_data data;
+
+ data.vma = vma;
+ data.addr1 = addr;
+ data.addr2 = pfn;
+
+ on_each_cpu(local_flush_cache_page, (void *)&data, 1);
+}
+
+void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
+ unsigned long end)
+{
+ struct flusher_data data;
+
+ data.vma = vma;
+ data.addr1 = start;
+ data.addr2 = end;
+
+ on_each_cpu(local_flush_cache_range, (void *)&data, 1);
+}
+
+void flush_dcache_page(struct page *page)
+{
+ on_each_cpu(local_flush_dcache_page, page, 1);
+}
+
+void flush_icache_range(unsigned long start, unsigned long end)
+{
+ struct flusher_data data;
+
+ data.vma = NULL;
+ data.addr1 = start;
+ data.addr2 = end;
+
+ on_each_cpu(local_flush_icache_range, (void *)&data, 1);
+}
+
+void flush_icache_page(struct vm_area_struct *vma, struct page *page)
+{
+ /* Nothing uses the VMA, so just pass the struct page along */
+ on_each_cpu(local_flush_icache_page, page, 1);
+}
+
+void flush_cache_sigtramp(unsigned long address)
+{
+ on_each_cpu(local_flush_cache_sigtramp, (void *)address, 1);
+}
+
static void compute_alias(struct cache_info *c)
{
c->alias_mask = ((c->sets - 1) << c->entry_shift) & ~(PAGE_SIZE - 1);
@@ -230,16 +259,6 @@ void __init cpu_cache_init(void)
compute_alias(&boot_cpu_data.dcache);
compute_alias(&boot_cpu_data.scache);
- flush_cache_all = noop_flush_cache_all;
- flush_cache_mm = noop_flush_cache_mm;
- flush_cache_dup_mm = noop_flush_cache_mm;
- flush_cache_page = noop_flush_cache_page;
- flush_cache_range = noop_flush_cache_range;
- flush_dcache_page = noop_flush_dcache_page;
- flush_icache_range = noop_flush_icache_range;
- flush_icache_page = noop_flush_icache_page;
- flush_cache_sigtramp = noop_flush_cache_sigtramp;
-
__flush_wback_region = noop__flush_region;
__flush_purge_region = noop__flush_region;
__flush_invalidate_region = noop__flush_region;
--
GitLab
From c01f0f1a4a96eb3acc5850e18cc43f24366966d0 Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Date: Fri, 21 Aug 2009 16:30:28 +0900
Subject: [PATCH 237/742] sh: Add initial support for SH7757 CPU subtype
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 7 +
arch/sh/Kconfig.debug | 1 +
arch/sh/include/asm/processor.h | 2 +-
arch/sh/include/cpu-sh4/cpu/freq.h | 4 +
arch/sh/include/cpu-sh4/cpu/sh7757.h | 243 +++
arch/sh/kernel/cpu/sh4/probe.c | 11 +-
arch/sh/kernel/cpu/sh4a/Makefile | 3 +
arch/sh/kernel/cpu/sh4a/clock-sh7757.c | 130 ++
arch/sh/kernel/cpu/sh4a/pinmux-sh7757.c | 2019 +++++++++++++++++++++++
arch/sh/kernel/cpu/sh4a/setup-sh7757.c | 513 ++++++
arch/sh/kernel/setup.c | 2 +-
arch/sh/mm/Kconfig | 7 +-
drivers/serial/sh-sci.c | 3 +-
drivers/serial/sh-sci.h | 17 +
14 files changed, 2954 insertions(+), 8 deletions(-)
create mode 100644 arch/sh/include/cpu-sh4/cpu/sh7757.h
create mode 100644 arch/sh/kernel/cpu/sh4a/clock-sh7757.c
create mode 100644 arch/sh/kernel/cpu/sh4a/pinmux-sh7757.c
create mode 100644 arch/sh/kernel/cpu/sh4a/setup-sh7757.c
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index c4a955d25451..d17570c61dfd 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -396,6 +396,13 @@ config CPU_SUBTYPE_SH7724
help
Select SH7724 if you have an SH-MobileR2R CPU.
+config CPU_SUBTYPE_SH7757
+ bool "Support SH7757 processor"
+ select CPU_SH4A
+ select CPU_SHX2
+ help
+ Select SH7757 if you have a SH4A SH7757 CPU.
+
config CPU_SUBTYPE_SH7763
bool "Support SH7763 processor"
select CPU_SH4A
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 741d20fab2e1..55907af1dc25 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -38,6 +38,7 @@ config EARLY_SCIF_CONSOLE_PORT
default "0xffe00000" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7763 || \
CPU_SUBTYPE_SH7722 || CPU_SUBTYPE_SH7366 || \
CPU_SUBTYPE_SH7343
+ default "0xfe4c0000" if CPU_SUBTYPE_SH7757
default "0xffeb0000" if CPU_SUBTYPE_SH7785
default "0xffeb0000" if CPU_SUBTYPE_SH7786
default "0xfffe8000" if CPU_SUBTYPE_SH7203
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index ff7daaf9a620..9d87868bc53d 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -32,7 +32,7 @@ enum cpu_type {
/* SH-4A types */
CPU_SH7763, CPU_SH7770, CPU_SH7780, CPU_SH7781, CPU_SH7785, CPU_SH7786,
- CPU_SH7723, CPU_SH7724, CPU_SHX3,
+ CPU_SH7723, CPU_SH7724, CPU_SH7757, CPU_SHX3,
/* SH4AL-DSP types */
CPU_SH7343, CPU_SH7722, CPU_SH7366,
diff --git a/arch/sh/include/cpu-sh4/cpu/freq.h b/arch/sh/include/cpu-sh4/cpu/freq.h
index ccf1d999db6d..e1e90960ee9a 100644
--- a/arch/sh/include/cpu-sh4/cpu/freq.h
+++ b/arch/sh/include/cpu-sh4/cpu/freq.h
@@ -22,6 +22,10 @@
#define MSTPCR0 0xa4150030
#define MSTPCR1 0xa4150034
#define MSTPCR2 0xa4150038
+#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
+#define FRQCR 0xffc80000
+#define OSCCR 0xffc80018
+#define PLLCR 0xffc80024
#elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \
defined(CONFIG_CPU_SUBTYPE_SH7780)
#define FRQCR 0xffc80000
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7757.h b/arch/sh/include/cpu-sh4/cpu/sh7757.h
new file mode 100644
index 000000000000..f4d267efad71
--- /dev/null
+++ b/arch/sh/include/cpu-sh4/cpu/sh7757.h
@@ -0,0 +1,243 @@
+#ifndef __ASM_SH7757_H__
+#define __ASM_SH7757_H__
+
+enum {
+ /* PTA */
+ GPIO_PTA7, GPIO_PTA6, GPIO_PTA5, GPIO_PTA4,
+ GPIO_PTA3, GPIO_PTA2, GPIO_PTA1, GPIO_PTA0,
+
+ /* PTB */
+ GPIO_PTB7, GPIO_PTB6, GPIO_PTB5, GPIO_PTB4,
+ GPIO_PTB3, GPIO_PTB2, GPIO_PTB1, GPIO_PTB0,
+
+ /* PTC */
+ GPIO_PTC7, GPIO_PTC6, GPIO_PTC5, GPIO_PTC4,
+ GPIO_PTC3, GPIO_PTC2, GPIO_PTC1, GPIO_PTC0,
+
+ /* PTD */
+ GPIO_PTD7, GPIO_PTD6, GPIO_PTD5, GPIO_PTD4,
+ GPIO_PTD3, GPIO_PTD2, GPIO_PTD1, GPIO_PTD0,
+
+ /* PTE */
+ GPIO_PTE7, GPIO_PTE6, GPIO_PTE5, GPIO_PTE4,
+ GPIO_PTE3, GPIO_PTE2, GPIO_PTE1, GPIO_PTE0,
+
+ /* PTF */
+ GPIO_PTF7, GPIO_PTF6, GPIO_PTF5, GPIO_PTF4,
+ GPIO_PTF3, GPIO_PTF2, GPIO_PTF1, GPIO_PTF0,
+
+ /* PTG */
+ GPIO_PTG7, GPIO_PTG6, GPIO_PTG5, GPIO_PTG4,
+ GPIO_PTG3, GPIO_PTG2, GPIO_PTG1, GPIO_PTG0,
+
+ /* PTH */
+ GPIO_PTH7, GPIO_PTH6, GPIO_PTH5, GPIO_PTH4,
+ GPIO_PTH3, GPIO_PTH2, GPIO_PTH1, GPIO_PTH0,
+
+ /* PTI */
+ GPIO_PTI7, GPIO_PTI6, GPIO_PTI5, GPIO_PTI4,
+ GPIO_PTI3, GPIO_PTI2, GPIO_PTI1, GPIO_PTI0,
+
+ /* PTJ */
+ GPIO_PTJ7, GPIO_PTJ6, GPIO_PTJ5, GPIO_PTJ4,
+ GPIO_PTJ3, GPIO_PTJ2, GPIO_PTJ1, GPIO_PTJ0,
+
+ /* PTK */
+ GPIO_PTK7, GPIO_PTK6, GPIO_PTK5, GPIO_PTK4,
+ GPIO_PTK3, GPIO_PTK2, GPIO_PTK1, GPIO_PTK0,
+
+ /* PTL */
+ GPIO_PTL7, GPIO_PTL6, GPIO_PTL5, GPIO_PTL4,
+ GPIO_PTL3, GPIO_PTL2, GPIO_PTL1, GPIO_PTL0,
+
+ /* PTM */
+ GPIO_PTM6, GPIO_PTM5, GPIO_PTM4,
+ GPIO_PTM3, GPIO_PTM2, GPIO_PTM1, GPIO_PTM0,
+
+ /* PTN */
+ GPIO_PTN7, GPIO_PTN6, GPIO_PTN5, GPIO_PTN4,
+ GPIO_PTN3, GPIO_PTN2, GPIO_PTN1, GPIO_PTN0,
+
+ /* PTO */
+ GPIO_PTO7, GPIO_PTO6, GPIO_PTO5, GPIO_PTO4,
+ GPIO_PTO3, GPIO_PTO2, GPIO_PTO1, GPIO_PTO0,
+
+ /* PTP */
+ GPIO_PTP6, GPIO_PTP5, GPIO_PTP4,
+ GPIO_PTP3, GPIO_PTP2, GPIO_PTP1, GPIO_PTP0,
+
+ /* PTQ */
+ GPIO_PTQ6, GPIO_PTQ5, GPIO_PTQ4,
+ GPIO_PTQ3, GPIO_PTQ2, GPIO_PTQ1, GPIO_PTQ0,
+
+ /* PTR */
+ GPIO_PTR7, GPIO_PTR6, GPIO_PTR5, GPIO_PTR4,
+ GPIO_PTR3, GPIO_PTR2, GPIO_PTR1, GPIO_PTR0,
+
+ /* PTS */
+ GPIO_PTS7, GPIO_PTS6, GPIO_PTS5, GPIO_PTS4,
+ GPIO_PTS3, GPIO_PTS2, GPIO_PTS1, GPIO_PTS0,
+
+ /* PTT */
+ GPIO_PTT5, GPIO_PTT4,
+ GPIO_PTT3, GPIO_PTT2, GPIO_PTT1, GPIO_PTT0,
+
+ /* PTU */
+ GPIO_PTU7, GPIO_PTU6, GPIO_PTU5, GPIO_PTU4,
+ GPIO_PTU3, GPIO_PTU2, GPIO_PTU1, GPIO_PTU0,
+
+ /* PTV */
+ GPIO_PTV7, GPIO_PTV6, GPIO_PTV5, GPIO_PTV4,
+ GPIO_PTV3, GPIO_PTV2, GPIO_PTV1, GPIO_PTV0,
+
+ /* PTW */
+ GPIO_PTW7, GPIO_PTW6, GPIO_PTW5, GPIO_PTW4,
+ GPIO_PTW3, GPIO_PTW2, GPIO_PTW1, GPIO_PTW0,
+
+ /* PTX */
+ GPIO_PTX7, GPIO_PTX6, GPIO_PTX5, GPIO_PTX4,
+ GPIO_PTX3, GPIO_PTX2, GPIO_PTX1, GPIO_PTX0,
+
+ /* PTY */
+ GPIO_PTY7, GPIO_PTY6, GPIO_PTY5, GPIO_PTY4,
+ GPIO_PTY3, GPIO_PTY2, GPIO_PTY1, GPIO_PTY0,
+
+ /* PTZ */
+ GPIO_PTZ7, GPIO_PTZ6, GPIO_PTZ5, GPIO_PTZ4,
+ GPIO_PTZ3, GPIO_PTZ2, GPIO_PTZ1, GPIO_PTZ0,
+
+
+ /* PTA (mobule: LBSC, CPG, LPC) */
+ GPIO_FN_BS, GPIO_FN_RDWR, GPIO_FN_WE1, GPIO_FN_RDY,
+ GPIO_FN_MD10, GPIO_FN_MD9, GPIO_FN_MD8,
+ GPIO_FN_LGPIO7, GPIO_FN_LGPIO6, GPIO_FN_LGPIO5, GPIO_FN_LGPIO4,
+ GPIO_FN_LGPIO3, GPIO_FN_LGPIO2, GPIO_FN_LGPIO1, GPIO_FN_LGPIO0,
+
+ /* PTB (mobule: LBSC, EtherC, SIM, LPC) */
+ GPIO_FN_D15, GPIO_FN_D14, GPIO_FN_D13, GPIO_FN_D12,
+ GPIO_FN_D11, GPIO_FN_D10, GPIO_FN_D9, GPIO_FN_D8,
+ GPIO_FN_ET0_MDC, GPIO_FN_ET0_MDIO,
+ GPIO_FN_ET1_MDC, GPIO_FN_ET1_MDIO,
+ GPIO_FN_SIM_D, GPIO_FN_SIM_CLK, GPIO_FN_SIM_RST,
+ GPIO_FN_WPSZ1, GPIO_FN_WPSZ0, GPIO_FN_FWID, GPIO_FN_FLSHSZ,
+ GPIO_FN_LPC_SPIEN, GPIO_FN_BASEL,
+
+ /* PTC (mobule: SD) */
+ GPIO_FN_SD_WP, GPIO_FN_SD_CD, GPIO_FN_SD_CLK, GPIO_FN_SD_CMD,
+ GPIO_FN_SD_D3, GPIO_FN_SD_D2, GPIO_FN_SD_D1, GPIO_FN_SD_D0,
+
+ /* PTD (mobule: INTC, SPI0, LBSC, CPG, ADC) */
+ GPIO_FN_IRQ7, GPIO_FN_IRQ6, GPIO_FN_IRQ5, GPIO_FN_IRQ4,
+ GPIO_FN_IRQ3, GPIO_FN_IRQ2, GPIO_FN_IRQ1, GPIO_FN_IRQ0,
+ GPIO_FN_MD6, GPIO_FN_MD5, GPIO_FN_MD3, GPIO_FN_MD2,
+ GPIO_FN_MD1, GPIO_FN_MD0, GPIO_FN_ADTRG1, GPIO_FN_ADTRG0,
+
+ /* PTE (mobule: EtherC) */
+ GPIO_FN_ET0_CRS_DV, GPIO_FN_ET0_TXD1,
+ GPIO_FN_ET0_TXD0, GPIO_FN_ET0_TX_EN,
+ GPIO_FN_ET0_REF_CLK, GPIO_FN_ET0_RXD1,
+ GPIO_FN_ET0_RXD0, GPIO_FN_ET0_RX_ER,
+
+ /* PTF (mobule: EtherC) */
+ GPIO_FN_ET1_CRS_DV, GPIO_FN_ET1_TXD1,
+ GPIO_FN_ET1_TXD0, GPIO_FN_ET1_TX_EN,
+ GPIO_FN_ET1_REF_CLK, GPIO_FN_ET1_RXD1,
+ GPIO_FN_ET1_RXD0, GPIO_FN_ET1_RX_ER,
+
+ /* PTG (mobule: SYSTEM, PWMX, LPC) */
+ GPIO_FN_STATUS0, GPIO_FN_STATUS1,
+ GPIO_FN_PWX0, GPIO_FN_PWX1, GPIO_FN_PWX2, GPIO_FN_PWX3,
+ GPIO_FN_SERIRQ, GPIO_FN_CLKRUN, GPIO_FN_LPCPD, GPIO_FN_LDRQ,
+
+ /* PTH (mobule: TMU, SCIF234, SPI1, SPI0) */
+ GPIO_FN_TCLK, GPIO_FN_RXD4, GPIO_FN_TXD4,
+ GPIO_FN_SP1_MOSI, GPIO_FN_SP1_MISO,
+ GPIO_FN_SP1_SCK, GPIO_FN_SP1_SCK_FB,
+ GPIO_FN_SP1_SS0, GPIO_FN_SP1_SS1,
+ GPIO_FN_SP0_SS1,
+
+ /* PTI (mobule: INTC) */
+ GPIO_FN_IRQ15, GPIO_FN_IRQ14, GPIO_FN_IRQ13, GPIO_FN_IRQ12,
+ GPIO_FN_IRQ11, GPIO_FN_IRQ10, GPIO_FN_IRQ9, GPIO_FN_IRQ8,
+
+ /* PTJ (mobule: SCIF234, SERMUX) */
+ GPIO_FN_RXD3, GPIO_FN_TXD3, GPIO_FN_RXD2, GPIO_FN_TXD2,
+ GPIO_FN_COM1_TXD, GPIO_FN_COM1_RXD,
+ GPIO_FN_COM1_RTS, GPIO_FN_COM1_CTS,
+
+ /* PTK (mobule: SERMUX) */
+ GPIO_FN_COM2_TXD, GPIO_FN_COM2_RXD,
+ GPIO_FN_COM2_RTS, GPIO_FN_COM2_CTS,
+ GPIO_FN_COM2_DTR, GPIO_FN_COM2_DSR,
+ GPIO_FN_COM2_DCD, GPIO_FN_COM2_RI,
+
+ /* PTL (mobule: SERMUX) */
+ GPIO_FN_RAC_TXD, GPIO_FN_RAC_RXD,
+ GPIO_FN_RAC_RTS, GPIO_FN_RAC_CTS,
+ GPIO_FN_RAC_DTR, GPIO_FN_RAC_DSR,
+ GPIO_FN_RAC_DCD, GPIO_FN_RAC_RI,
+
+ /* PTM (mobule: IIC, LPC) */
+ GPIO_FN_SDA6, GPIO_FN_SCL6, GPIO_FN_SDA7, GPIO_FN_SCL7,
+ GPIO_FN_WP, GPIO_FN_FMS0, GPIO_FN_FMS1,
+
+ /* PTN (mobule: SCIF234, EVC) */
+ GPIO_FN_SCK2, GPIO_FN_RTS4, GPIO_FN_RTS3, GPIO_FN_RTS2,
+ GPIO_FN_CTS4, GPIO_FN_CTS3, GPIO_FN_CTS2,
+ GPIO_FN_EVENT7, GPIO_FN_EVENT6, GPIO_FN_EVENT5, GPIO_FN_EVENT4,
+ GPIO_FN_EVENT3, GPIO_FN_EVENT2, GPIO_FN_EVENT1, GPIO_FN_EVENT0,
+
+ /* PTO (mobule: SGPIO) */
+ GPIO_FN_SGPIO0_CLK, GPIO_FN_SGPIO0_LOAD,
+ GPIO_FN_SGPIO0_DI, GPIO_FN_SGPIO0_DO,
+ GPIO_FN_SGPIO1_CLK, GPIO_FN_SGPIO1_LOAD,
+ GPIO_FN_SGPIO1_DI, GPIO_FN_SGPIO1_DO,
+
+ /* PTP (mobule: JMC, SCIF234) */
+ GPIO_FN_JMCTCK, GPIO_FN_JMCTMS, GPIO_FN_JMCTDO, GPIO_FN_JMCTDI,
+ GPIO_FN_JMCRST, GPIO_FN_SCK4, GPIO_FN_SCK3,
+
+ /* PTQ (mobule: LPC) */
+ GPIO_FN_LAD3, GPIO_FN_LAD2, GPIO_FN_LAD1, GPIO_FN_LAD0,
+ GPIO_FN_LFRAME, GPIO_FN_LRESET, GPIO_FN_LCLK,
+
+ /* PTR (mobule: GRA, IIC) */
+ GPIO_FN_DDC3, GPIO_FN_DDC2,
+ GPIO_FN_SDA8, GPIO_FN_SCL8, GPIO_FN_SDA2, GPIO_FN_SCL2,
+ GPIO_FN_SDA1, GPIO_FN_SCL1, GPIO_FN_SDA0, GPIO_FN_SCL0,
+
+ /* PTS (mobule: GRA, IIC) */
+ GPIO_FN_DDC1, GPIO_FN_DDC0,
+ GPIO_FN_SDA9, GPIO_FN_SCL9, GPIO_FN_SDA5, GPIO_FN_SCL5,
+ GPIO_FN_SDA4, GPIO_FN_SCL4, GPIO_FN_SDA3, GPIO_FN_SCL3,
+
+ /* PTT (mobule: SYSTEM, PWMX) */
+ GPIO_FN_AUDSYNC, GPIO_FN_AUDCK,
+ GPIO_FN_AUDATA3, GPIO_FN_AUDATA2,
+ GPIO_FN_AUDATA1, GPIO_FN_AUDATA0,
+ GPIO_FN_PWX7, GPIO_FN_PWX6, GPIO_FN_PWX5, GPIO_FN_PWX4,
+
+ /* PTU (mobule: LBSC, DMAC) */
+ GPIO_FN_CS6, GPIO_FN_CS5, GPIO_FN_CS4, GPIO_FN_CS0,
+ GPIO_FN_RD, GPIO_FN_WE0, GPIO_FN_A25, GPIO_FN_A24,
+ GPIO_FN_DREQ0, GPIO_FN_DACK0,
+
+ /* PTV (mobule: LBSC, DMAC) */
+ GPIO_FN_A23, GPIO_FN_A22, GPIO_FN_A21, GPIO_FN_A20,
+ GPIO_FN_A19, GPIO_FN_A18, GPIO_FN_A17, GPIO_FN_A16,
+ GPIO_FN_TEND0, GPIO_FN_DREQ1, GPIO_FN_DACK1, GPIO_FN_TEND1,
+
+ /* PTW (mobule: LBSC) */
+ GPIO_FN_A15, GPIO_FN_A14, GPIO_FN_A13, GPIO_FN_A12,
+ GPIO_FN_A11, GPIO_FN_A10, GPIO_FN_A9, GPIO_FN_A8,
+
+ /* PTX (mobule: LBSC) */
+ GPIO_FN_A7, GPIO_FN_A6, GPIO_FN_A5, GPIO_FN_A4,
+ GPIO_FN_A3, GPIO_FN_A2, GPIO_FN_A1, GPIO_FN_A0,
+
+ /* PTY (mobule: LBSC) */
+ GPIO_FN_D7, GPIO_FN_D6, GPIO_FN_D5, GPIO_FN_D4,
+ GPIO_FN_D3, GPIO_FN_D2, GPIO_FN_D1, GPIO_FN_D0,
+};
+
+#endif /* __ASM_SH7757_H__ */
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 6c78d0a9c857..10e6795b56aa 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -139,8 +139,15 @@ int __init detect_cpu_and_cache_system(void)
}
break;
case 0x300b:
- boot_cpu_data.type = CPU_SH7724;
- boot_cpu_data.flags |= CPU_HAS_L2_CACHE;
+ switch (prr) {
+ case 0x20:
+ boot_cpu_data.type = CPU_SH7723;
+ boot_cpu_data.flags |= CPU_HAS_L2_CACHE;
+ break;
+ case 0x50:
+ boot_cpu_data.type = CPU_SH7757;
+ break;
+ }
break;
case 0x4000: /* 1st cut */
case 0x4001: /* 2nd cut */
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index 12cddf4c721d..490d5dc9e372 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -3,6 +3,7 @@
#
# CPU subtype setup
+obj-$(CONFIG_CPU_SUBTYPE_SH7757) += setup-sh7757.o
obj-$(CONFIG_CPU_SUBTYPE_SH7763) += setup-sh7763.o
obj-$(CONFIG_CPU_SUBTYPE_SH7770) += setup-sh7770.o
obj-$(CONFIG_CPU_SUBTYPE_SH7780) += setup-sh7780.o
@@ -19,6 +20,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SHX3) += setup-shx3.o
smp-$(CONFIG_CPU_SHX3) := smp-shx3.o
# Primary on-chip clocks (common)
+clock-$(CONFIG_CPU_SUBTYPE_SH7757) := clock-sh7757.o
clock-$(CONFIG_CPU_SUBTYPE_SH7763) := clock-sh7763.o
clock-$(CONFIG_CPU_SUBTYPE_SH7770) := clock-sh7770.o
clock-$(CONFIG_CPU_SUBTYPE_SH7780) := clock-sh7780.o
@@ -35,6 +37,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SHX3) := clock-shx3.o
pinmux-$(CONFIG_CPU_SUBTYPE_SH7722) := pinmux-sh7722.o
pinmux-$(CONFIG_CPU_SUBTYPE_SH7723) := pinmux-sh7723.o
pinmux-$(CONFIG_CPU_SUBTYPE_SH7724) := pinmux-sh7724.o
+pinmux-$(CONFIG_CPU_SUBTYPE_SH7757) := pinmux-sh7757.o
pinmux-$(CONFIG_CPU_SUBTYPE_SH7785) := pinmux-sh7785.o
pinmux-$(CONFIG_CPU_SUBTYPE_SH7786) := pinmux-sh7786.o
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
new file mode 100644
index 000000000000..ddc235ca9664
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
@@ -0,0 +1,130 @@
+/*
+ * arch/sh/kernel/cpu/sh4/clock-sh7757.c
+ *
+ * SH7757 support for the clock framework
+ *
+ * Copyright (C) 2009 Renesas Solutions Corp.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/clock.h>
+#include <asm/freq.h>
+
+static int ifc_divisors[] = { 2, 1, 4, 1, 1, 8, 1, 1,
+ 16, 1, 1, 32, 1, 1, 1, 1 };
+static int sfc_divisors[] = { 2, 1, 4, 1, 1, 8, 1, 1,
+ 16, 1, 1, 32, 1, 1, 1, 1 };
+static int bfc_divisors[] = { 2, 1, 4, 1, 1, 8, 1, 1,
+ 16, 1, 1, 32, 1, 1, 1, 1 };
+static int p1fc_divisors[] = { 2, 1, 4, 1, 1, 8, 1, 1,
+ 16, 1, 1, 32, 1, 1, 1, 1 };
+
+static void master_clk_init(struct clk *clk)
+{
+ clk->rate = CONFIG_SH_PCLK_FREQ * 16;
+}
+
+static struct clk_ops sh7757_master_clk_ops = {
+ .init = master_clk_init,
+};
+
+static void module_clk_recalc(struct clk *clk)
+{
+ int idx = ctrl_inl(FRQCR) & 0x0000000f;
+ clk->rate = clk->parent->rate / p1fc_divisors[idx];
+}
+
+static struct clk_ops sh7757_module_clk_ops = {
+ .recalc = module_clk_recalc,
+};
+
+static void bus_clk_recalc(struct clk *clk)
+{
+ int idx = (ctrl_inl(FRQCR) >> 8) & 0x0000000f;
+ clk->rate = clk->parent->rate / bfc_divisors[idx];
+}
+
+static struct clk_ops sh7757_bus_clk_ops = {
+ .recalc = bus_clk_recalc,
+};
+
+static void cpu_clk_recalc(struct clk *clk)
+{
+ int idx = (ctrl_inl(FRQCR) >> 20) & 0x0000000f;
+ clk->rate = clk->parent->rate / ifc_divisors[idx];
+}
+
+static struct clk_ops sh7757_cpu_clk_ops = {
+ .recalc = cpu_clk_recalc,
+};
+
+static struct clk_ops *sh7757_clk_ops[] = {
+ &sh7757_master_clk_ops,
+ &sh7757_module_clk_ops,
+ &sh7757_bus_clk_ops,
+ &sh7757_cpu_clk_ops,
+};
+
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+ if (idx < ARRAY_SIZE(sh7757_clk_ops))
+ *ops = sh7757_clk_ops[idx];
+}
+
+static void shyway_clk_recalc(struct clk *clk)
+{
+ int idx = (ctrl_inl(FRQCR) >> 12) & 0x0000000f;
+ clk->rate = clk->parent->rate / sfc_divisors[idx];
+}
+
+static struct clk_ops sh7757_shyway_clk_ops = {
+ .recalc = shyway_clk_recalc,
+};
+
+static struct clk sh7757_shyway_clk = {
+ .name = "shyway_clk",
+ .flags = CLK_ENABLE_ON_INIT,
+ .ops = &sh7757_shyway_clk_ops,
+};
+
+/*
+ * Additional sh7757-specific on-chip clocks that aren't already part of the
+ * clock framework
+ */
+static struct clk *sh7757_onchip_clocks[] = {
+ &sh7757_shyway_clk,
+};
+
+static int __init sh7757_clk_init(void)
+{
+ struct clk *clk = clk_get(NULL, "master_clk");
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(sh7757_onchip_clocks); i++) {
+ struct clk *clkp = sh7757_onchip_clocks[i];
+
+ clkp->parent = clk;
+ clk_register(clkp);
+ clk_enable(clkp);
+ }
+
+ /*
+ * Now that we have the rest of the clocks registered, we need to
+ * force the parent clock to propagate so that these clocks will
+ * automatically figure out their rate. We cheat by handing the
+ * parent clock its current rate and forcing child propagation.
+ */
+ clk_set_rate(clk, clk_get_rate(clk));
+
+ clk_put(clk);
+
+ return 0;
+}
+
+arch_initcall(sh7757_clk_init);
+
diff --git a/arch/sh/kernel/cpu/sh4a/pinmux-sh7757.c b/arch/sh/kernel/cpu/sh4a/pinmux-sh7757.c
new file mode 100644
index 000000000000..ed23b155c097
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/pinmux-sh7757.c
@@ -0,0 +1,2019 @@
+/*
+ * SH7757 (A0 step) Pinmux
+ *
+ * Copyright (C) 2009 Renesas Solutions Corp.
+ *
+ * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
+ *
+ * Based on SH7757 Pinmux
+ * Copyright (C) 2008 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <cpu/sh7757.h>
+
+enum {
+ PINMUX_RESERVED = 0,
+
+ PINMUX_DATA_BEGIN,
+ PTA7_DATA, PTA6_DATA, PTA5_DATA, PTA4_DATA,
+ PTA3_DATA, PTA2_DATA, PTA1_DATA, PTA0_DATA,
+ PTB7_DATA, PTB6_DATA, PTB5_DATA, PTB4_DATA,
+ PTB3_DATA, PTB2_DATA, PTB1_DATA, PTB0_DATA,
+ PTC7_DATA, PTC6_DATA, PTC5_DATA, PTC4_DATA,
+ PTC3_DATA, PTC2_DATA, PTC1_DATA, PTC0_DATA,
+ PTD7_DATA, PTD6_DATA, PTD5_DATA, PTD4_DATA,
+ PTD3_DATA, PTD2_DATA, PTD1_DATA, PTD0_DATA,
+ PTE7_DATA, PTE6_DATA, PTE5_DATA, PTE4_DATA,
+ PTE3_DATA, PTE2_DATA, PTE1_DATA, PTE0_DATA,
+ PTF7_DATA, PTF6_DATA, PTF5_DATA, PTF4_DATA,
+ PTF3_DATA, PTF2_DATA, PTF1_DATA, PTF0_DATA,
+ PTG7_DATA, PTG6_DATA, PTG5_DATA, PTG4_DATA,
+ PTG3_DATA, PTG2_DATA, PTG1_DATA, PTG0_DATA,
+ PTH7_DATA, PTH6_DATA, PTH5_DATA, PTH4_DATA,
+ PTH3_DATA, PTH2_DATA, PTH1_DATA, PTH0_DATA,
+ PTI7_DATA, PTI6_DATA, PTI5_DATA, PTI4_DATA,
+ PTI3_DATA, PTI2_DATA, PTI1_DATA, PTI0_DATA,
+ PTJ7_DATA, PTJ6_DATA, PTJ5_DATA, PTJ4_DATA,
+ PTJ3_DATA, PTJ2_DATA, PTJ1_DATA, PTJ0_DATA,
+ PTK7_DATA, PTK6_DATA, PTK5_DATA, PTK4_DATA,
+ PTK3_DATA, PTK2_DATA, PTK1_DATA, PTK0_DATA,
+ PTL7_DATA, PTL6_DATA, PTL5_DATA, PTL4_DATA,
+ PTL3_DATA, PTL2_DATA, PTL1_DATA, PTL0_DATA,
+ PTM6_DATA, PTM5_DATA, PTM4_DATA,
+ PTM3_DATA, PTM2_DATA, PTM1_DATA, PTM0_DATA,
+ PTN7_DATA, PTN6_DATA, PTN5_DATA, PTN4_DATA,
+ PTN3_DATA, PTN2_DATA, PTN1_DATA, PTN0_DATA,
+ PTO7_DATA, PTO6_DATA, PTO5_DATA, PTO4_DATA,
+ PTO3_DATA, PTO2_DATA, PTO1_DATA, PTO0_DATA,
+ PTP6_DATA, PTP5_DATA, PTP4_DATA,
+ PTP3_DATA, PTP2_DATA, PTP1_DATA, PTP0_DATA,
+ PTQ6_DATA, PTQ5_DATA, PTQ4_DATA,
+ PTQ3_DATA, PTQ2_DATA, PTQ1_DATA, PTQ0_DATA,
+ PTR7_DATA, PTR6_DATA, PTR5_DATA, PTR4_DATA,
+ PTR3_DATA, PTR2_DATA, PTR1_DATA, PTR0_DATA,
+ PTS7_DATA, PTS6_DATA, PTS5_DATA, PTS4_DATA,
+ PTS3_DATA, PTS2_DATA, PTS1_DATA, PTS0_DATA,
+ PTT5_DATA, PTT4_DATA,
+ PTT3_DATA, PTT2_DATA, PTT1_DATA, PTT0_DATA,
+ PTU7_DATA, PTU6_DATA, PTU5_DATA, PTU4_DATA,
+ PTU3_DATA, PTU2_DATA, PTU1_DATA, PTU0_DATA,
+ PTV7_DATA, PTV6_DATA, PTV5_DATA, PTV4_DATA,
+ PTV3_DATA, PTV2_DATA, PTV1_DATA, PTV0_DATA,
+ PTW7_DATA, PTW6_DATA, PTW5_DATA, PTW4_DATA,
+ PTW3_DATA, PTW2_DATA, PTW1_DATA, PTW0_DATA,
+ PTX7_DATA, PTX6_DATA, PTX5_DATA, PTX4_DATA,
+ PTX3_DATA, PTX2_DATA, PTX1_DATA, PTX0_DATA,
+ PTY7_DATA, PTY6_DATA, PTY5_DATA, PTY4_DATA,
+ PTY3_DATA, PTY2_DATA, PTY1_DATA, PTY0_DATA,
+ PTZ7_DATA, PTZ6_DATA, PTZ5_DATA, PTZ4_DATA,
+ PTZ3_DATA, PTZ2_DATA, PTZ1_DATA, PTZ0_DATA,
+ PINMUX_DATA_END,
+
+ PINMUX_INPUT_BEGIN,
+ PTA7_IN, PTA6_IN, PTA5_IN, PTA4_IN,
+ PTA3_IN, PTA2_IN, PTA1_IN, PTA0_IN,
+ PTB7_IN, PTB6_IN, PTB5_IN, PTB4_IN,
+ PTB3_IN, PTB2_IN, PTB1_IN, PTB0_IN,
+ PTC7_IN, PTC6_IN, PTC5_IN, PTC4_IN,
+ PTC3_IN, PTC2_IN, PTC1_IN, PTC0_IN,
+ PTD7_IN, PTD6_IN, PTD5_IN, PTD4_IN,
+ PTD3_IN, PTD2_IN, PTD1_IN, PTD0_IN,
+ PTE7_IN, PTE6_IN, PTE5_IN, PTE4_IN,
+ PTE3_IN, PTE2_IN, PTE1_IN, PTE0_IN,
+ PTF7_IN, PTF6_IN, PTF5_IN, PTF4_IN,
+ PTF3_IN, PTF2_IN, PTF1_IN, PTF0_IN,
+ PTG7_IN, PTG6_IN, PTG5_IN, PTG4_IN,
+ PTG3_IN, PTG2_IN, PTG1_IN, PTG0_IN,
+ PTH7_IN, PTH6_IN, PTH5_IN, PTH4_IN,
+ PTH3_IN, PTH2_IN, PTH1_IN, PTH0_IN,
+ PTI7_IN, PTI6_IN, PTI5_IN, PTI4_IN,
+ PTI3_IN, PTI2_IN, PTI1_IN, PTI0_IN,
+ PTJ7_IN, PTJ6_IN, PTJ5_IN, PTJ4_IN,
+ PTJ3_IN, PTJ2_IN, PTJ1_IN, PTJ0_IN,
+ PTK7_IN, PTK6_IN, PTK5_IN, PTK4_IN,
+ PTK3_IN, PTK2_IN, PTK1_IN, PTK0_IN,
+ PTL7_IN, PTL6_IN, PTL5_IN, PTL4_IN,
+ PTL3_IN, PTL2_IN, PTL1_IN, PTL0_IN,
+ PTM6_IN, PTM5_IN, PTM4_IN,
+ PTM3_IN, PTM2_IN, PTM1_IN, PTM0_IN,
+ PTN7_IN, PTN6_IN, PTN5_IN, PTN4_IN,
+ PTN3_IN, PTN2_IN, PTN1_IN, PTN0_IN,
+ PTO7_IN, PTO6_IN, PTO5_IN, PTO4_IN,
+ PTO3_IN, PTO2_IN, PTO1_IN, PTO0_IN,
+ PTP6_IN, PTP5_IN, PTP4_IN,
+ PTP3_IN, PTP2_IN, PTP1_IN, PTP0_IN,
+ PTQ6_IN, PTQ5_IN, PTQ4_IN,
+ PTQ3_IN, PTQ2_IN, PTQ1_IN, PTQ0_IN,
+ PTR7_IN, PTR6_IN, PTR5_IN, PTR4_IN,
+ PTR3_IN, PTR2_IN, PTR1_IN, PTR0_IN,
+ PTS7_IN, PTS6_IN, PTS5_IN, PTS4_IN,
+ PTS3_IN, PTS2_IN, PTS1_IN, PTS0_IN,
+ PTT5_IN, PTT4_IN,
+ PTT3_IN, PTT2_IN, PTT1_IN, PTT0_IN,
+ PTU7_IN, PTU6_IN, PTU5_IN, PTU4_IN,
+ PTU3_IN, PTU2_IN, PTU1_IN, PTU0_IN,
+ PTV7_IN, PTV6_IN, PTV5_IN, PTV4_IN,
+ PTV3_IN, PTV2_IN, PTV1_IN, PTV0_IN,
+ PTW7_IN, PTW6_IN, PTW5_IN, PTW4_IN,
+ PTW3_IN, PTW2_IN, PTW1_IN, PTW0_IN,
+ PTX7_IN, PTX6_IN, PTX5_IN, PTX4_IN,
+ PTX3_IN, PTX2_IN, PTX1_IN, PTX0_IN,
+ PTY7_IN, PTY6_IN, PTY5_IN, PTY4_IN,
+ PTY3_IN, PTY2_IN, PTY1_IN, PTY0_IN,
+ PTZ7_IN, PTZ6_IN, PTZ5_IN, PTZ4_IN,
+ PTZ3_IN, PTZ2_IN, PTZ1_IN, PTZ0_IN,
+ PINMUX_INPUT_END,
+
+ PINMUX_INPUT_PULLUP_BEGIN,
+ PTU7_IN_PU, PTU6_IN_PU, PTU5_IN_PU, PTU4_IN_PU,
+ PTU3_IN_PU, PTU2_IN_PU, PTU1_IN_PU, PTU0_IN_PU,
+ PTV7_IN_PU, PTV6_IN_PU, PTV5_IN_PU, PTV4_IN_PU,
+ PTV3_IN_PU, PTV2_IN_PU, PTV1_IN_PU, PTV0_IN_PU,
+ PTW7_IN_PU, PTW6_IN_PU, PTW5_IN_PU, PTW4_IN_PU,
+ PTW3_IN_PU, PTW2_IN_PU, PTW1_IN_PU, PTW0_IN_PU,
+ PTX7_IN_PU, PTX6_IN_PU, PTX5_IN_PU, PTX4_IN_PU,
+ PTX3_IN_PU, PTX2_IN_PU, PTX1_IN_PU, PTX0_IN_PU,
+ PTY7_IN_PU, PTY6_IN_PU, PTY5_IN_PU, PTY4_IN_PU,
+ PTY3_IN_PU, PTY2_IN_PU, PTY1_IN_PU, PTY0_IN_PU,
+ PINMUX_INPUT_PULLUP_END,
+
+ PINMUX_OUTPUT_BEGIN,
+ PTA7_OUT, PTA6_OUT, PTA5_OUT, PTA4_OUT,
+ PTA3_OUT, PTA2_OUT, PTA1_OUT, PTA0_OUT,
+ PTB7_OUT, PTB6_OUT, PTB5_OUT, PTB4_OUT,
+ PTB3_OUT, PTB2_OUT, PTB1_OUT, PTB0_OUT,
+ PTC7_OUT, PTC6_OUT, PTC5_OUT, PTC4_OUT,
+ PTC3_OUT, PTC2_OUT, PTC1_OUT, PTC0_OUT,
+ PTD7_OUT, PTD6_OUT, PTD5_OUT, PTD4_OUT,
+ PTD3_OUT, PTD2_OUT, PTD1_OUT, PTD0_OUT,
+ PTE7_OUT, PTE6_OUT, PTE5_OUT, PTE4_OUT,
+ PTE3_OUT, PTE2_OUT, PTE1_OUT, PTE0_OUT,
+ PTF7_OUT, PTF6_OUT, PTF5_OUT, PTF4_OUT,
+ PTF3_OUT, PTF2_OUT, PTF1_OUT, PTF0_OUT,
+ PTG7_OUT, PTG6_OUT, PTG5_OUT, PTG4_OUT,
+ PTG3_OUT, PTG2_OUT, PTG1_OUT, PTG0_OUT,
+ PTH7_OUT, PTH6_OUT, PTH5_OUT, PTH4_OUT,
+ PTH3_OUT, PTH2_OUT, PTH1_OUT, PTH0_OUT,
+ PTI7_OUT, PTI6_OUT, PTI5_OUT, PTI4_OUT,
+ PTI3_OUT, PTI2_OUT, PTI1_OUT, PTI0_OUT,
+ PTJ7_OUT, PTJ6_OUT, PTJ5_OUT, PTJ4_OUT,
+ PTJ3_OUT, PTJ2_OUT, PTJ1_OUT, PTJ0_OUT,
+ PTK7_OUT, PTK6_OUT, PTK5_OUT, PTK4_OUT,
+ PTK3_OUT, PTK2_OUT, PTK1_OUT, PTK0_OUT,
+ PTL7_OUT, PTL6_OUT, PTL5_OUT, PTL4_OUT,
+ PTL3_OUT, PTL2_OUT, PTL1_OUT, PTL0_OUT,
+ PTM6_OUT, PTM5_OUT, PTM4_OUT,
+ PTM3_OUT, PTM2_OUT, PTM1_OUT, PTM0_OUT,
+ PTN7_OUT, PTN6_OUT, PTN5_OUT, PTN4_OUT,
+ PTN3_OUT, PTN2_OUT, PTN1_OUT, PTN0_OUT,
+ PTO7_OUT, PTO6_OUT, PTO5_OUT, PTO4_OUT,
+ PTO3_OUT, PTO2_OUT, PTO1_OUT, PTO0_OUT,
+ PTP6_OUT, PTP5_OUT, PTP4_OUT,
+ PTP3_OUT, PTP2_OUT, PTP1_OUT, PTP0_OUT,
+ PTQ6_OUT, PTQ5_OUT, PTQ4_OUT,
+ PTQ3_OUT, PTQ2_OUT, PTQ1_OUT, PTQ0_OUT,
+ PTR7_OUT, PTR6_OUT, PTR5_OUT, PTR4_OUT,
+ PTR3_OUT, PTR2_OUT, PTR1_OUT, PTR0_OUT,
+ PTS7_OUT, PTS6_OUT, PTS5_OUT, PTS4_OUT,
+ PTS3_OUT, PTS2_OUT, PTS1_OUT, PTS0_OUT,
+ PTT5_OUT, PTT4_OUT,
+ PTT3_OUT, PTT2_OUT, PTT1_OUT, PTT0_OUT,
+ PTU7_OUT, PTU6_OUT, PTU5_OUT, PTU4_OUT,
+ PTU3_OUT, PTU2_OUT, PTU1_OUT, PTU0_OUT,
+ PTV7_OUT, PTV6_OUT, PTV5_OUT, PTV4_OUT,
+ PTV3_OUT, PTV2_OUT, PTV1_OUT, PTV0_OUT,
+ PTW7_OUT, PTW6_OUT, PTW5_OUT, PTW4_OUT,
+ PTW3_OUT, PTW2_OUT, PTW1_OUT, PTW0_OUT,
+ PTX7_OUT, PTX6_OUT, PTX5_OUT, PTX4_OUT,
+ PTX3_OUT, PTX2_OUT, PTX1_OUT, PTX0_OUT,
+ PTY7_OUT, PTY6_OUT, PTY5_OUT, PTY4_OUT,
+ PTY3_OUT, PTY2_OUT, PTY1_OUT, PTY0_OUT,
+ PTZ7_OUT, PTZ6_OUT, PTZ5_OUT, PTZ4_OUT,
+ PTZ3_OUT, PTZ2_OUT, PTZ1_OUT, PTZ0_OUT,
+ PINMUX_OUTPUT_END,
+
+ PINMUX_FUNCTION_BEGIN,
+ PTA7_FN, PTA6_FN, PTA5_FN, PTA4_FN,
+ PTA3_FN, PTA2_FN, PTA1_FN, PTA0_FN,
+ PTB7_FN, PTB6_FN, PTB5_FN, PTB4_FN,
+ PTB3_FN, PTB2_FN, PTB1_FN, PTB0_FN,
+ PTC7_FN, PTC6_FN, PTC5_FN, PTC4_FN,
+ PTC3_FN, PTC2_FN, PTC1_FN, PTC0_FN,
+ PTD7_FN, PTD6_FN, PTD5_FN, PTD4_FN,
+ PTD3_FN, PTD2_FN, PTD1_FN, PTD0_FN,
+ PTE7_FN, PTE6_FN, PTE5_FN, PTE4_FN,
+ PTE3_FN, PTE2_FN, PTE1_FN, PTE0_FN,
+ PTF7_FN, PTF6_FN, PTF5_FN, PTF4_FN,
+ PTF3_FN, PTF2_FN, PTF1_FN, PTF0_FN,
+ PTG7_FN, PTG6_FN, PTG5_FN, PTG4_FN,
+ PTG3_FN, PTG2_FN, PTG1_FN, PTG0_FN,
+ PTH7_FN, PTH6_FN, PTH5_FN, PTH4_FN,
+ PTH3_FN, PTH2_FN, PTH1_FN, PTH0_FN,
+ PTI7_FN, PTI6_FN, PTI5_FN, PTI4_FN,
+ PTI3_FN, PTI2_FN, PTI1_FN, PTI0_FN,
+ PTJ7_FN, PTJ6_FN, PTJ5_FN, PTJ4_FN,
+ PTJ3_FN, PTJ2_FN, PTJ1_FN, PTJ0_FN,
+ PTK7_FN, PTK6_FN, PTK5_FN, PTK4_FN,
+ PTK3_FN, PTK2_FN, PTK1_FN, PTK0_FN,
+ PTL7_FN, PTL6_FN, PTL5_FN, PTL4_FN,
+ PTL3_FN, PTL2_FN, PTL1_FN, PTL0_FN,
+ PTM6_FN, PTM5_FN, PTM4_FN,
+ PTM3_FN, PTM2_FN, PTM1_FN, PTM0_FN,
+ PTN7_FN, PTN6_FN, PTN5_FN, PTN4_FN,
+ PTN3_FN, PTN2_FN, PTN1_FN, PTN0_FN,
+ PTO7_FN, PTO6_FN, PTO5_FN, PTO4_FN,
+ PTO3_FN, PTO2_FN, PTO1_FN, PTO0_FN,
+ PTP6_FN, PTP5_FN, PTP4_FN,
+ PTP3_FN, PTP2_FN, PTP1_FN, PTP0_FN,
+ PTQ6_FN, PTQ5_FN, PTQ4_FN,
+ PTQ3_FN, PTQ2_FN, PTQ1_FN, PTQ0_FN,
+ PTR7_FN, PTR6_FN, PTR5_FN, PTR4_FN,
+ PTR3_FN, PTR2_FN, PTR1_FN, PTR0_FN,
+ PTS7_FN, PTS6_FN, PTS5_FN, PTS4_FN,
+ PTS3_FN, PTS2_FN, PTS1_FN, PTS0_FN,
+ PTT5_FN, PTT4_FN,
+ PTT3_FN, PTT2_FN, PTT1_FN, PTT0_FN,
+ PTU7_FN, PTU6_FN, PTU5_FN, PTU4_FN,
+ PTU3_FN, PTU2_FN, PTU1_FN, PTU0_FN,
+ PTV7_FN, PTV6_FN, PTV5_FN, PTV4_FN,
+ PTV3_FN, PTV2_FN, PTV1_FN, PTV0_FN,
+ PTW7_FN, PTW6_FN, PTW5_FN, PTW4_FN,
+ PTW3_FN, PTW2_FN, PTW1_FN, PTW0_FN,
+ PTX7_FN, PTX6_FN, PTX5_FN, PTX4_FN,
+ PTX3_FN, PTX2_FN, PTX1_FN, PTX0_FN,
+ PTY7_FN, PTY6_FN, PTY5_FN, PTY4_FN,
+ PTY3_FN, PTY2_FN, PTY1_FN, PTY0_FN,
+ PTZ7_FN, PTZ6_FN, PTZ5_FN, PTZ4_FN,
+ PTZ3_FN, PTZ2_FN, PTZ1_FN, PTZ0_FN,
+
+ PS0_15_FN1, PS0_15_FN3,
+ PS0_14_FN1, PS0_14_FN3,
+ PS0_13_FN1, PS0_13_FN3,
+ PS0_12_FN1, PS0_12_FN3,
+ PS0_7_FN1, PS0_7_FN2,
+ PS0_6_FN1, PS0_6_FN2,
+ PS0_5_FN1, PS0_5_FN2,
+ PS0_4_FN1, PS0_4_FN2,
+ PS0_3_FN1, PS0_3_FN2,
+ PS0_2_FN1, PS0_2_FN2,
+ PS0_1_FN1, PS0_1_FN2,
+
+ PS1_7_FN1, PS1_7_FN3,
+ PS1_6_FN1, PS1_6_FN3,
+
+ PS2_13_FN1, PS2_13_FN3,
+ PS2_12_FN1, PS2_12_FN3,
+ PS2_1_FN1, PS2_1_FN2,
+ PS2_0_FN1, PS2_0_FN2,
+
+ PS4_15_FN1, PS4_15_FN2,
+ PS4_14_FN1, PS4_14_FN2,
+ PS4_13_FN1, PS4_13_FN2,
+ PS4_12_FN1, PS4_12_FN2,
+ PS4_11_FN1, PS4_11_FN2,
+ PS4_10_FN1, PS4_10_FN2,
+ PS4_9_FN1, PS4_9_FN2,
+ PS4_3_FN1, PS4_3_FN2,
+ PS4_2_FN1, PS4_2_FN2,
+ PS4_1_FN1, PS4_1_FN2,
+ PS4_0_FN1, PS4_0_FN2,
+
+ PS5_9_FN1, PS5_9_FN2,
+ PS5_8_FN1, PS5_8_FN2,
+ PS5_7_FN1, PS5_7_FN2,
+ PS5_6_FN1, PS5_6_FN2,
+ PS5_5_FN1, PS5_5_FN2,
+ PS5_4_FN1, PS5_4_FN2,
+
+ /* AN15 to 8 : EVENT15 to 8 */
+ PS6_7_FN_AN, PS6_7_FN_EV,
+ PS6_6_FN_AN, PS6_6_FN_EV,
+ PS6_5_FN_AN, PS6_5_FN_EV,
+ PS6_4_FN_AN, PS6_4_FN_EV,
+ PS6_3_FN_AN, PS6_3_FN_EV,
+ PS6_2_FN_AN, PS6_2_FN_EV,
+ PS6_1_FN_AN, PS6_1_FN_EV,
+ PS6_0_FN_AN, PS6_0_FN_EV,
+
+ PINMUX_FUNCTION_END,
+
+ PINMUX_MARK_BEGIN,
+ /* PTA (mobule: LBSC, CPG, LPC) */
+ BS_MARK, RDWR_MARK, WE1_MARK, RDY_MARK,
+ MD10_MARK, MD9_MARK, MD8_MARK,
+ LGPIO7_MARK, LGPIO6_MARK, LGPIO5_MARK, LGPIO4_MARK,
+ LGPIO3_MARK, LGPIO2_MARK, LGPIO1_MARK, LGPIO0_MARK,
+
+ /* PTB (mobule: LBSC, EtherC, SIM, LPC) */
+ D15_MARK, D14_MARK, D13_MARK, D12_MARK,
+ D11_MARK, D10_MARK, D9_MARK, D8_MARK,
+ ET0_MDC_MARK, ET0_MDIO_MARK, ET1_MDC_MARK, ET1_MDIO_MARK,
+ SIM_D_MARK, SIM_CLK_MARK, SIM_RST_MARK,
+ WPSZ1_MARK, WPSZ0_MARK, FWID_MARK, FLSHSZ_MARK,
+ LPC_SPIEN_MARK, BASEL_MARK,
+
+ /* PTC (mobule: SD) */
+ SD_WP_MARK, SD_CD_MARK, SD_CLK_MARK, SD_CMD_MARK,
+ SD_D3_MARK, SD_D2_MARK, SD_D1_MARK, SD_D0_MARK,
+
+ /* PTD (mobule: INTC, SPI0, LBSC, CPG, ADC) */
+ IRQ7_MARK, IRQ6_MARK, IRQ5_MARK, IRQ4_MARK,
+ IRQ3_MARK, IRQ2_MARK, IRQ1_MARK, IRQ0_MARK,
+ MD6_MARK, MD5_MARK, MD3_MARK, MD2_MARK,
+ MD1_MARK, MD0_MARK, ADTRG1_MARK, ADTRG0_MARK,
+
+ /* PTE (mobule: EtherC) */
+ ET0_CRS_DV_MARK, ET0_TXD1_MARK,
+ ET0_TXD0_MARK, ET0_TX_EN_MARK,
+ ET0_REF_CLK_MARK, ET0_RXD1_MARK,
+ ET0_RXD0_MARK, ET0_RX_ER_MARK,
+
+ /* PTF (mobule: EtherC) */
+ ET1_CRS_DV_MARK, ET1_TXD1_MARK,
+ ET1_TXD0_MARK, ET1_TX_EN_MARK,
+ ET1_REF_CLK_MARK, ET1_RXD1_MARK,
+ ET1_RXD0_MARK, ET1_RX_ER_MARK,
+
+ /* PTG (mobule: SYSTEM, PWMX, LPC) */
+ STATUS0_MARK, STATUS1_MARK,
+ PWX0_MARK, PWX1_MARK, PWX2_MARK, PWX3_MARK,
+ SERIRQ_MARK, CLKRUN_MARK, LPCPD_MARK, LDRQ_MARK,
+
+ /* PTH (mobule: TMU, SCIF234, SPI1, SPI0) */
+ TCLK_MARK, RXD4_MARK, TXD4_MARK,
+ SP1_MOSI_MARK, SP1_MISO_MARK, SP1_SCK_MARK, SP1_SCK_FB_MARK,
+ SP1_SS0_MARK, SP1_SS1_MARK, SP0_SS1_MARK,
+
+ /* PTI (mobule: INTC) */
+ IRQ15_MARK, IRQ14_MARK, IRQ13_MARK, IRQ12_MARK,
+ IRQ11_MARK, IRQ10_MARK, IRQ9_MARK, IRQ8_MARK,
+
+ /* PTJ (mobule: SCIF234, SERMUX) */
+ RXD3_MARK, TXD3_MARK, RXD2_MARK, TXD2_MARK,
+ COM1_TXD_MARK, COM1_RXD_MARK, COM1_RTS_MARK, COM1_CTS_MARK,
+
+ /* PTK (mobule: SERMUX) */
+ COM2_TXD_MARK, COM2_RXD_MARK, COM2_RTS_MARK, COM2_CTS_MARK,
+ COM2_DTR_MARK, COM2_DSR_MARK, COM2_DCD_MARK, COM2_RI_MARK,
+
+ /* PTL (mobule: SERMUX) */
+ RAC_TXD_MARK, RAC_RXD_MARK, RAC_RTS_MARK, RAC_CTS_MARK,
+ RAC_DTR_MARK, RAC_DSR_MARK, RAC_DCD_MARK, RAC_RI_MARK,
+
+ /* PTM (mobule: IIC, LPC) */
+ SDA6_MARK, SCL6_MARK, SDA7_MARK, SCL7_MARK,
+ WP_MARK, FMS0_MARK, FMS1_MARK,
+
+ /* PTN (mobule: SCIF234, EVC) */
+ SCK2_MARK, RTS4_MARK, RTS3_MARK, RTS2_MARK,
+ CTS4_MARK, CTS3_MARK, CTS2_MARK,
+ EVENT7_MARK, EVENT6_MARK, EVENT5_MARK, EVENT4_MARK,
+ EVENT3_MARK, EVENT2_MARK, EVENT1_MARK, EVENT0_MARK,
+
+ /* PTO (mobule: SGPIO) */
+ SGPIO0_CLK_MARK, SGPIO0_LOAD_MARK,
+ SGPIO0_DI_MARK, SGPIO0_DO_MARK,
+ SGPIO1_CLK_MARK, SGPIO1_LOAD_MARK,
+ SGPIO1_DI_MARK, SGPIO1_DO_MARK,
+
+ /* PTP (mobule: JMC, SCIF234) */
+ JMCTCK_MARK, JMCTMS_MARK, JMCTDO_MARK, JMCTDI_MARK,
+ JMCRST_MARK, SCK4_MARK, SCK3_MARK,
+
+ /* PTQ (mobule: LPC) */
+ LAD3_MARK, LAD2_MARK, LAD1_MARK, LAD0_MARK,
+ LFRAME_MARK, LRESET_MARK, LCLK_MARK,
+
+ /* PTR (mobule: GRA, IIC) */
+ DDC3_MARK, DDC2_MARK,
+ SDA8_MARK, SCL8_MARK, SDA2_MARK, SCL2_MARK,
+ SDA1_MARK, SCL1_MARK, SDA0_MARK, SCL0_MARK,
+
+ /* PTS (mobule: GRA, IIC) */
+ DDC1_MARK, DDC0_MARK,
+ SDA9_MARK, SCL9_MARK, SDA5_MARK, SCL5_MARK,
+ SDA4_MARK, SCL4_MARK, SDA3_MARK, SCL3_MARK,
+
+ /* PTT (mobule: SYSTEM, PWMX) */
+ AUDSYNC_MARK, AUDCK_MARK,
+ AUDATA3_MARK, AUDATA2_MARK,
+ AUDATA1_MARK, AUDATA0_MARK,
+ PWX7_MARK, PWX6_MARK, PWX5_MARK, PWX4_MARK,
+
+ /* PTU (mobule: LBSC, DMAC) */
+ CS6_MARK, CS5_MARK, CS4_MARK, CS0_MARK,
+ RD_MARK, WE0_MARK, A25_MARK, A24_MARK,
+ DREQ0_MARK, DACK0_MARK,
+
+ /* PTV (mobule: LBSC, DMAC) */
+ A23_MARK, A22_MARK, A21_MARK, A20_MARK,
+ A19_MARK, A18_MARK, A17_MARK, A16_MARK,
+ TEND0_MARK, DREQ1_MARK, DACK1_MARK, TEND1_MARK,
+
+ /* PTW (mobule: LBSC) */
+ A15_MARK, A14_MARK, A13_MARK, A12_MARK,
+ A11_MARK, A10_MARK, A9_MARK, A8_MARK,
+
+ /* PTX (mobule: LBSC) */
+ A7_MARK, A6_MARK, A5_MARK, A4_MARK,
+ A3_MARK, A2_MARK, A1_MARK, A0_MARK,
+
+ /* PTY (mobule: LBSC) */
+ D7_MARK, D6_MARK, D5_MARK, D4_MARK,
+ D3_MARK, D2_MARK, D1_MARK, D0_MARK,
+ PINMUX_MARK_END,
+};
+
+static pinmux_enum_t pinmux_data[] = {
+ /* PTA GPIO */
+ PINMUX_DATA(PTA7_DATA, PTA7_IN, PTA7_OUT),
+ PINMUX_DATA(PTA6_DATA, PTA6_IN, PTA6_OUT),
+ PINMUX_DATA(PTA5_DATA, PTA5_IN, PTA5_OUT),
+ PINMUX_DATA(PTA4_DATA, PTA4_IN, PTA4_OUT),
+ PINMUX_DATA(PTA3_DATA, PTA3_IN, PTA3_OUT),
+ PINMUX_DATA(PTA2_DATA, PTA2_IN, PTA2_OUT),
+ PINMUX_DATA(PTA1_DATA, PTA1_IN, PTA1_OUT),
+ PINMUX_DATA(PTA0_DATA, PTA0_IN, PTA0_OUT),
+
+ /* PTB GPIO */
+ PINMUX_DATA(PTB7_DATA, PTB7_IN, PTB7_OUT),
+ PINMUX_DATA(PTB6_DATA, PTB6_IN, PTB6_OUT),
+ PINMUX_DATA(PTB5_DATA, PTB5_IN, PTB5_OUT),
+ PINMUX_DATA(PTB4_DATA, PTB4_IN, PTB4_OUT),
+ PINMUX_DATA(PTB3_DATA, PTB3_IN, PTB3_OUT),
+ PINMUX_DATA(PTB2_DATA, PTB2_IN, PTB2_OUT),
+ PINMUX_DATA(PTB1_DATA, PTB1_IN, PTB1_OUT),
+ PINMUX_DATA(PTB0_DATA, PTB0_IN, PTB0_OUT),
+
+ /* PTC GPIO */
+ PINMUX_DATA(PTC7_DATA, PTC7_IN, PTC7_OUT),
+ PINMUX_DATA(PTC6_DATA, PTC6_IN, PTC6_OUT),
+ PINMUX_DATA(PTC5_DATA, PTC5_IN, PTC5_OUT),
+ PINMUX_DATA(PTC4_DATA, PTC4_IN, PTC4_OUT),
+ PINMUX_DATA(PTC3_DATA, PTC3_IN, PTC3_OUT),
+ PINMUX_DATA(PTC2_DATA, PTC2_IN, PTC2_OUT),
+ PINMUX_DATA(PTC1_DATA, PTC1_IN, PTC1_OUT),
+ PINMUX_DATA(PTC0_DATA, PTC0_IN, PTC0_OUT),
+
+ /* PTD GPIO */
+ PINMUX_DATA(PTD7_DATA, PTD7_IN, PTD7_OUT),
+ PINMUX_DATA(PTD6_DATA, PTD6_IN, PTD6_OUT),
+ PINMUX_DATA(PTD5_DATA, PTD5_IN, PTD5_OUT),
+ PINMUX_DATA(PTD4_DATA, PTD4_IN, PTD4_OUT),
+ PINMUX_DATA(PTD3_DATA, PTD3_IN, PTD3_OUT),
+ PINMUX_DATA(PTD2_DATA, PTD2_IN, PTD2_OUT),
+ PINMUX_DATA(PTD1_DATA, PTD1_IN, PTD1_OUT),
+ PINMUX_DATA(PTD0_DATA, PTD0_IN, PTD0_OUT),
+
+ /* PTE GPIO */
+ PINMUX_DATA(PTE5_DATA, PTE5_IN, PTE5_OUT),
+ PINMUX_DATA(PTE4_DATA, PTE4_IN, PTE4_OUT),
+ PINMUX_DATA(PTE3_DATA, PTE3_IN, PTE3_OUT),
+ PINMUX_DATA(PTE2_DATA, PTE2_IN, PTE2_OUT),
+ PINMUX_DATA(PTE1_DATA, PTE1_IN, PTE1_OUT),
+ PINMUX_DATA(PTE0_DATA, PTE0_IN, PTE0_OUT),
+
+ /* PTF GPIO */
+ PINMUX_DATA(PTF7_DATA, PTF7_IN, PTF7_OUT),
+ PINMUX_DATA(PTF6_DATA, PTF6_IN, PTF6_OUT),
+ PINMUX_DATA(PTF5_DATA, PTF5_IN, PTF5_OUT),
+ PINMUX_DATA(PTF4_DATA, PTF4_IN, PTF4_OUT),
+ PINMUX_DATA(PTF3_DATA, PTF3_IN, PTF3_OUT),
+ PINMUX_DATA(PTF2_DATA, PTF2_IN, PTF2_OUT),
+ PINMUX_DATA(PTF1_DATA, PTF1_IN, PTF1_OUT),
+ PINMUX_DATA(PTF0_DATA, PTF0_IN, PTF0_OUT),
+
+ /* PTG GPIO */
+ PINMUX_DATA(PTG7_DATA, PTG7_IN, PTG7_OUT),
+ PINMUX_DATA(PTG6_DATA, PTG6_IN, PTG6_OUT),
+ PINMUX_DATA(PTG5_DATA, PTG5_IN, PTG5_OUT),
+ PINMUX_DATA(PTG4_DATA, PTG4_IN, PTG4_OUT),
+ PINMUX_DATA(PTG3_DATA, PTG3_IN, PTG3_OUT),
+ PINMUX_DATA(PTG2_DATA, PTG2_IN, PTG2_OUT),
+ PINMUX_DATA(PTG1_DATA, PTG1_IN, PTG1_OUT),
+ PINMUX_DATA(PTG0_DATA, PTG0_IN, PTG0_OUT),
+
+ /* PTH GPIO */
+ PINMUX_DATA(PTH7_DATA, PTH7_IN, PTH7_OUT),
+ PINMUX_DATA(PTH6_DATA, PTH6_IN, PTH6_OUT),
+ PINMUX_DATA(PTH5_DATA, PTH5_IN, PTH5_OUT),
+ PINMUX_DATA(PTH4_DATA, PTH4_IN, PTH4_OUT),
+ PINMUX_DATA(PTH3_DATA, PTH3_IN, PTH3_OUT),
+ PINMUX_DATA(PTH2_DATA, PTH2_IN, PTH2_OUT),
+ PINMUX_DATA(PTH1_DATA, PTH1_IN, PTH1_OUT),
+ PINMUX_DATA(PTH0_DATA, PTH0_IN, PTH0_OUT),
+
+ /* PTI GPIO */
+ PINMUX_DATA(PTI7_DATA, PTI7_IN, PTI7_OUT),
+ PINMUX_DATA(PTI6_DATA, PTI6_IN, PTI6_OUT),
+ PINMUX_DATA(PTI5_DATA, PTI5_IN, PTI5_OUT),
+ PINMUX_DATA(PTI4_DATA, PTI4_IN, PTI4_OUT),
+ PINMUX_DATA(PTI3_DATA, PTI3_IN, PTI3_OUT),
+ PINMUX_DATA(PTI2_DATA, PTI2_IN, PTI2_OUT),
+ PINMUX_DATA(PTI1_DATA, PTI1_IN, PTI1_OUT),
+ PINMUX_DATA(PTI0_DATA, PTI0_IN, PTI0_OUT),
+
+ /* PTJ GPIO */
+ PINMUX_DATA(PTJ7_DATA, PTJ7_IN, PTJ7_OUT),
+ PINMUX_DATA(PTJ6_DATA, PTJ6_IN, PTJ6_OUT),
+ PINMUX_DATA(PTJ5_DATA, PTJ5_IN, PTJ5_OUT),
+ PINMUX_DATA(PTJ4_DATA, PTJ4_IN, PTJ4_OUT),
+ PINMUX_DATA(PTJ3_DATA, PTJ3_IN, PTJ3_OUT),
+ PINMUX_DATA(PTJ2_DATA, PTJ2_IN, PTJ2_OUT),
+ PINMUX_DATA(PTJ1_DATA, PTJ1_IN, PTJ1_OUT),
+ PINMUX_DATA(PTJ0_DATA, PTJ0_IN, PTJ0_OUT),
+
+ /* PTK GPIO */
+ PINMUX_DATA(PTK7_DATA, PTK7_IN, PTK7_OUT),
+ PINMUX_DATA(PTK6_DATA, PTK6_IN, PTK6_OUT),
+ PINMUX_DATA(PTK5_DATA, PTK5_IN, PTK5_OUT),
+ PINMUX_DATA(PTK4_DATA, PTK4_IN, PTK4_OUT),
+ PINMUX_DATA(PTK3_DATA, PTK3_IN, PTK3_OUT),
+ PINMUX_DATA(PTK2_DATA, PTK2_IN, PTK2_OUT),
+ PINMUX_DATA(PTK1_DATA, PTK1_IN, PTK1_OUT),
+ PINMUX_DATA(PTK0_DATA, PTK0_IN, PTK0_OUT),
+
+ /* PTL GPIO */
+ PINMUX_DATA(PTL7_DATA, PTL7_IN, PTL7_OUT),
+ PINMUX_DATA(PTL6_DATA, PTL6_IN, PTL6_OUT),
+ PINMUX_DATA(PTL5_DATA, PTL5_IN, PTL5_OUT),
+ PINMUX_DATA(PTL4_DATA, PTL4_IN, PTL4_OUT),
+ PINMUX_DATA(PTL3_DATA, PTL3_IN, PTL3_OUT),
+ PINMUX_DATA(PTL2_DATA, PTL2_IN, PTL2_OUT),
+ PINMUX_DATA(PTL1_DATA, PTL1_IN, PTL1_OUT),
+ PINMUX_DATA(PTL0_DATA, PTL0_IN, PTL0_OUT),
+
+ /* PTM GPIO */
+ PINMUX_DATA(PTM6_DATA, PTM6_IN, PTM6_OUT),
+ PINMUX_DATA(PTM5_DATA, PTM5_IN, PTM5_OUT),
+ PINMUX_DATA(PTM4_DATA, PTM4_IN, PTM4_OUT),
+ PINMUX_DATA(PTM3_DATA, PTM3_IN, PTM3_OUT),
+ PINMUX_DATA(PTM2_DATA, PTM2_IN, PTM2_OUT),
+ PINMUX_DATA(PTM1_DATA, PTM1_IN, PTM1_OUT),
+ PINMUX_DATA(PTM0_DATA, PTM0_IN, PTM0_OUT),
+
+ /* PTN GPIO */
+ PINMUX_DATA(PTN7_DATA, PTN7_IN, PTN7_OUT),
+ PINMUX_DATA(PTN6_DATA, PTN6_IN, PTN6_OUT),
+ PINMUX_DATA(PTN5_DATA, PTN5_IN, PTN5_OUT),
+ PINMUX_DATA(PTN4_DATA, PTN4_IN, PTN4_OUT),
+ PINMUX_DATA(PTN3_DATA, PTN3_IN, PTN3_OUT),
+ PINMUX_DATA(PTN2_DATA, PTN2_IN, PTN2_OUT),
+ PINMUX_DATA(PTN1_DATA, PTN1_IN, PTN1_OUT),
+ PINMUX_DATA(PTN0_DATA, PTN0_IN, PTN0_OUT),
+
+ /* PTO GPIO */
+ PINMUX_DATA(PTO7_DATA, PTO7_IN, PTO7_OUT),
+ PINMUX_DATA(PTO6_DATA, PTO6_IN, PTO6_OUT),
+ PINMUX_DATA(PTO5_DATA, PTO5_IN, PTO5_OUT),
+ PINMUX_DATA(PTO4_DATA, PTO4_IN, PTO4_OUT),
+ PINMUX_DATA(PTO3_DATA, PTO3_IN, PTO3_OUT),
+ PINMUX_DATA(PTO2_DATA, PTO2_IN, PTO2_OUT),
+ PINMUX_DATA(PTO1_DATA, PTO1_IN, PTO1_OUT),
+ PINMUX_DATA(PTO0_DATA, PTO0_IN, PTO0_OUT),
+
+ /* PTQ GPIO */
+ PINMUX_DATA(PTQ6_DATA, PTQ6_IN, PTQ6_OUT),
+ PINMUX_DATA(PTQ5_DATA, PTQ5_IN, PTQ5_OUT),
+ PINMUX_DATA(PTQ4_DATA, PTQ4_IN, PTQ4_OUT),
+ PINMUX_DATA(PTQ3_DATA, PTQ3_IN, PTQ3_OUT),
+ PINMUX_DATA(PTQ2_DATA, PTQ2_IN, PTQ2_OUT),
+ PINMUX_DATA(PTQ1_DATA, PTQ1_IN, PTQ1_OUT),
+ PINMUX_DATA(PTQ0_DATA, PTQ0_IN, PTQ0_OUT),
+
+ /* PTR GPIO */
+ PINMUX_DATA(PTR7_DATA, PTR7_IN, PTR7_OUT),
+ PINMUX_DATA(PTR6_DATA, PTR6_IN, PTR6_OUT),
+ PINMUX_DATA(PTR5_DATA, PTR5_IN, PTR5_OUT),
+ PINMUX_DATA(PTR4_DATA, PTR4_IN, PTR4_OUT),
+ PINMUX_DATA(PTR3_DATA, PTR3_IN, PTR3_OUT),
+ PINMUX_DATA(PTR2_DATA, PTR2_IN, PTR2_OUT),
+ PINMUX_DATA(PTR1_DATA, PTR1_IN, PTR1_OUT),
+ PINMUX_DATA(PTR0_DATA, PTR0_IN, PTR0_OUT),
+
+ /* PTS GPIO */
+ PINMUX_DATA(PTS7_DATA, PTS7_IN, PTS7_OUT),
+ PINMUX_DATA(PTS6_DATA, PTS6_IN, PTS6_OUT),
+ PINMUX_DATA(PTS5_DATA, PTS5_IN, PTS5_OUT),
+ PINMUX_DATA(PTS4_DATA, PTS4_IN, PTS4_OUT),
+ PINMUX_DATA(PTS3_DATA, PTS3_IN, PTS3_OUT),
+ PINMUX_DATA(PTS2_DATA, PTS2_IN, PTS2_OUT),
+ PINMUX_DATA(PTS1_DATA, PTS1_IN, PTS1_OUT),
+ PINMUX_DATA(PTS0_DATA, PTS0_IN, PTS0_OUT),
+
+ /* PTT GPIO */
+ PINMUX_DATA(PTT5_DATA, PTT5_IN, PTT5_OUT),
+ PINMUX_DATA(PTT4_DATA, PTT4_IN, PTT4_OUT),
+ PINMUX_DATA(PTT3_DATA, PTT3_IN, PTT3_OUT),
+ PINMUX_DATA(PTT2_DATA, PTT2_IN, PTT2_OUT),
+ PINMUX_DATA(PTT1_DATA, PTT1_IN, PTT1_OUT),
+ PINMUX_DATA(PTT0_DATA, PTT0_IN, PTT0_OUT),
+
+ /* PTU GPIO */
+ PINMUX_DATA(PTU7_DATA, PTU7_IN, PTU7_OUT),
+ PINMUX_DATA(PTU6_DATA, PTU6_IN, PTU6_OUT),
+ PINMUX_DATA(PTU5_DATA, PTU5_IN, PTU5_OUT),
+ PINMUX_DATA(PTU4_DATA, PTU4_IN, PTU4_OUT),
+ PINMUX_DATA(PTU3_DATA, PTU3_IN, PTU3_OUT),
+ PINMUX_DATA(PTU2_DATA, PTU2_IN, PTU2_OUT),
+ PINMUX_DATA(PTU1_DATA, PTU1_IN, PTU1_OUT),
+ PINMUX_DATA(PTU0_DATA, PTU0_IN, PTU0_OUT),
+
+ /* PTV GPIO */
+ PINMUX_DATA(PTV7_DATA, PTV7_IN, PTV7_OUT),
+ PINMUX_DATA(PTV6_DATA, PTV6_IN, PTV6_OUT),
+ PINMUX_DATA(PTV5_DATA, PTV5_IN, PTV5_OUT),
+ PINMUX_DATA(PTV4_DATA, PTV4_IN, PTV4_OUT),
+ PINMUX_DATA(PTV3_DATA, PTV3_IN, PTV3_OUT),
+ PINMUX_DATA(PTV2_DATA, PTV2_IN, PTV2_OUT),
+ PINMUX_DATA(PTV1_DATA, PTV1_IN, PTV1_OUT),
+ PINMUX_DATA(PTV0_DATA, PTV0_IN, PTV0_OUT),
+
+ /* PTW GPIO */
+ PINMUX_DATA(PTW7_DATA, PTW7_IN, PTW7_OUT),
+ PINMUX_DATA(PTW6_DATA, PTW6_IN, PTW6_OUT),
+ PINMUX_DATA(PTW5_DATA, PTW5_IN, PTW5_OUT),
+ PINMUX_DATA(PTW4_DATA, PTW4_IN, PTW4_OUT),
+ PINMUX_DATA(PTW3_DATA, PTW3_IN, PTW3_OUT),
+ PINMUX_DATA(PTW2_DATA, PTW2_IN, PTW2_OUT),
+ PINMUX_DATA(PTW1_DATA, PTW1_IN, PTW1_OUT),
+ PINMUX_DATA(PTW0_DATA, PTW0_IN, PTW0_OUT),
+
+ /* PTX GPIO */
+ PINMUX_DATA(PTX7_DATA, PTX7_IN, PTX7_OUT),
+ PINMUX_DATA(PTX6_DATA, PTX6_IN, PTX6_OUT),
+ PINMUX_DATA(PTX5_DATA, PTX5_IN, PTX5_OUT),
+ PINMUX_DATA(PTX4_DATA, PTX4_IN, PTX4_OUT),
+ PINMUX_DATA(PTX3_DATA, PTX3_IN, PTX3_OUT),
+ PINMUX_DATA(PTX2_DATA, PTX2_IN, PTX2_OUT),
+ PINMUX_DATA(PTX1_DATA, PTX1_IN, PTX1_OUT),
+ PINMUX_DATA(PTX0_DATA, PTX0_IN, PTX0_OUT),
+
+ /* PTY GPIO */
+ PINMUX_DATA(PTY7_DATA, PTY7_IN, PTY7_OUT),
+ PINMUX_DATA(PTY6_DATA, PTY6_IN, PTY6_OUT),
+ PINMUX_DATA(PTY5_DATA, PTY5_IN, PTY5_OUT),
+ PINMUX_DATA(PTY4_DATA, PTY4_IN, PTY4_OUT),
+ PINMUX_DATA(PTY3_DATA, PTY3_IN, PTY3_OUT),
+ PINMUX_DATA(PTY2_DATA, PTY2_IN, PTY2_OUT),
+ PINMUX_DATA(PTY1_DATA, PTY1_IN, PTY1_OUT),
+ PINMUX_DATA(PTY0_DATA, PTY0_IN, PTY0_OUT),
+
+ /* PTZ GPIO */
+ PINMUX_DATA(PTZ7_DATA, PTZ7_IN, PTZ7_OUT),
+ PINMUX_DATA(PTZ6_DATA, PTZ6_IN, PTZ6_OUT),
+ PINMUX_DATA(PTZ5_DATA, PTZ5_IN, PTZ5_OUT),
+ PINMUX_DATA(PTZ4_DATA, PTZ4_IN, PTZ4_OUT),
+ PINMUX_DATA(PTZ3_DATA, PTZ3_IN, PTZ3_OUT),
+ PINMUX_DATA(PTZ2_DATA, PTZ2_IN, PTZ2_OUT),
+ PINMUX_DATA(PTZ1_DATA, PTZ1_IN, PTZ1_OUT),
+ PINMUX_DATA(PTZ0_DATA, PTZ0_IN, PTZ0_OUT),
+
+ /* PTA FN */
+ PINMUX_DATA(BS_MARK, PS0_15_FN1, PTA7_FN),
+ PINMUX_DATA(LGPIO7_MARK, PS0_15_FN3, PTA7_FN),
+ PINMUX_DATA(RDWR_MARK, PS0_14_FN1, PTA6_FN),
+ PINMUX_DATA(LGPIO6_MARK, PS0_14_FN3, PTA6_FN),
+ PINMUX_DATA(WE1_MARK, PS0_13_FN1, PTA5_FN),
+ PINMUX_DATA(LGPIO5_MARK, PS0_13_FN3, PTA5_FN),
+ PINMUX_DATA(RDY_MARK, PS0_12_FN1, PTA4_FN),
+ PINMUX_DATA(LGPIO4_MARK, PS0_12_FN3, PTA4_FN),
+ PINMUX_DATA(LGPIO3_MARK, PTA3_FN),
+ PINMUX_DATA(LGPIO2_MARK, PTA2_FN),
+ PINMUX_DATA(LGPIO1_MARK, PTA1_FN),
+ PINMUX_DATA(LGPIO0_MARK, PTA0_FN),
+
+ /* PTB FN */
+ PINMUX_DATA(D15_MARK, PS0_7_FN1, PTB7_FN),
+ PINMUX_DATA(ET0_MDC_MARK, PS0_7_FN2, PTB7_FN),
+ PINMUX_DATA(D14_MARK, PS0_6_FN1, PTB6_FN),
+ PINMUX_DATA(ET0_MDIO_MARK, PS0_6_FN2, PTB6_FN),
+ PINMUX_DATA(D13_MARK, PS0_5_FN1, PTB5_FN),
+ PINMUX_DATA(ET1_MDC_MARK, PS0_5_FN2, PTB5_FN),
+ PINMUX_DATA(D12_MARK, PS0_4_FN1, PTB4_FN),
+ PINMUX_DATA(ET1_MDIO_MARK, PS0_4_FN2, PTB4_FN),
+ PINMUX_DATA(D11_MARK, PS0_3_FN1, PTB3_FN),
+ PINMUX_DATA(SIM_D_MARK, PS0_3_FN2, PTB3_FN),
+ PINMUX_DATA(D10_MARK, PS0_2_FN1, PTB2_FN),
+ PINMUX_DATA(SIM_CLK_MARK, PS0_2_FN2, PTB2_FN),
+ PINMUX_DATA(D9_MARK, PS0_1_FN1, PTB1_FN),
+ PINMUX_DATA(SIM_RST_MARK, PS0_1_FN2, PTB1_FN),
+ PINMUX_DATA(D8_MARK, PTB0_FN),
+
+ /* PTC FN */
+ PINMUX_DATA(SD_WP_MARK, PTC7_FN),
+ PINMUX_DATA(SD_CD_MARK, PTC6_FN),
+ PINMUX_DATA(SD_CLK_MARK, PTC5_FN),
+ PINMUX_DATA(SD_CMD_MARK, PTC4_FN),
+ PINMUX_DATA(SD_D3_MARK, PTC3_FN),
+ PINMUX_DATA(SD_D2_MARK, PTC2_FN),
+ PINMUX_DATA(SD_D1_MARK, PTC1_FN),
+ PINMUX_DATA(SD_D0_MARK, PTC0_FN),
+
+ /* PTD FN */
+ PINMUX_DATA(IRQ7_MARK, PS1_7_FN1, PTD7_FN),
+ PINMUX_DATA(ADTRG1_MARK, PS1_7_FN3, PTD7_FN),
+ PINMUX_DATA(IRQ6_MARK, PS1_6_FN1, PTD6_FN),
+ PINMUX_DATA(ADTRG0_MARK, PS1_6_FN3, PTD6_FN),
+ PINMUX_DATA(IRQ5_MARK, PTD5_FN),
+ PINMUX_DATA(IRQ4_MARK, PTD4_FN),
+ PINMUX_DATA(IRQ3_MARK, PTD3_FN),
+ PINMUX_DATA(IRQ2_MARK, PTD2_FN),
+ PINMUX_DATA(IRQ1_MARK, PTD1_FN),
+ PINMUX_DATA(IRQ0_MARK, PTD0_FN),
+
+ /* PTE FN */
+ PINMUX_DATA(ET0_CRS_DV_MARK, PTE7_FN),
+ PINMUX_DATA(ET0_TXD1_MARK, PTE6_FN),
+ PINMUX_DATA(ET0_TXD0_MARK, PTE5_FN),
+ PINMUX_DATA(ET0_TX_EN_MARK, PTE4_FN),
+ PINMUX_DATA(ET0_REF_CLK_MARK, PTE3_FN),
+ PINMUX_DATA(ET0_RXD1_MARK, PTE2_FN),
+ PINMUX_DATA(ET0_RXD0_MARK, PTE1_FN),
+ PINMUX_DATA(ET0_RX_ER_MARK, PTE0_FN),
+
+ /* PTF FN */
+ PINMUX_DATA(ET1_CRS_DV_MARK, PTF7_FN),
+ PINMUX_DATA(ET1_TXD1_MARK, PTF6_FN),
+ PINMUX_DATA(ET1_TXD0_MARK, PTF5_FN),
+ PINMUX_DATA(ET1_TX_EN_MARK, PTF4_FN),
+ PINMUX_DATA(ET1_REF_CLK_MARK, PTF3_FN),
+ PINMUX_DATA(ET1_RXD1_MARK, PTF2_FN),
+ PINMUX_DATA(ET1_RXD0_MARK, PTF1_FN),
+ PINMUX_DATA(ET1_RX_ER_MARK, PTF0_FN),
+
+ /* PTG FN */
+ PINMUX_DATA(PWX0_MARK, PTG7_FN),
+ PINMUX_DATA(PWX1_MARK, PTG6_FN),
+ PINMUX_DATA(STATUS0_MARK, PS2_13_FN1, PTG5_FN),
+ PINMUX_DATA(PWX2_MARK, PS2_13_FN3, PTG5_FN),
+ PINMUX_DATA(STATUS1_MARK, PS2_12_FN1, PTG4_FN),
+ PINMUX_DATA(PWX3_MARK, PS2_12_FN3, PTG4_FN),
+ PINMUX_DATA(SERIRQ_MARK, PTG3_FN),
+ PINMUX_DATA(CLKRUN_MARK, PTG2_FN),
+ PINMUX_DATA(LPCPD_MARK, PTG1_FN),
+ PINMUX_DATA(LDRQ_MARK, PTG0_FN),
+
+ /* PTH FN */
+ PINMUX_DATA(SP1_MOSI_MARK, PTH7_FN),
+ PINMUX_DATA(SP1_MISO_MARK, PTH6_FN),
+ PINMUX_DATA(SP1_SCK_MARK, PTH5_FN),
+ PINMUX_DATA(SP1_SCK_FB_MARK, PTH4_FN),
+ PINMUX_DATA(SP1_SS0_MARK, PTH3_FN),
+ PINMUX_DATA(TCLK_MARK, PTH2_FN),
+ PINMUX_DATA(RXD4_MARK, PS2_1_FN1, PTH1_FN),
+ PINMUX_DATA(SP1_SS1_MARK, PS2_1_FN2, PTH1_FN),
+ PINMUX_DATA(TXD4_MARK, PS2_0_FN1, PTH0_FN),
+ PINMUX_DATA(SP0_SS1_MARK, PS2_0_FN2, PTH0_FN),
+
+ /* PTI FN */
+ PINMUX_DATA(IRQ15_MARK, PTI7_FN),
+ PINMUX_DATA(IRQ14_MARK, PTI6_FN),
+ PINMUX_DATA(IRQ13_MARK, PTI5_FN),
+ PINMUX_DATA(IRQ12_MARK, PTI4_FN),
+ PINMUX_DATA(IRQ11_MARK, PTI3_FN),
+ PINMUX_DATA(IRQ10_MARK, PTI2_FN),
+ PINMUX_DATA(IRQ9_MARK, PTI1_FN),
+ PINMUX_DATA(IRQ8_MARK, PTI0_FN),
+
+ /* PTJ FN */
+ PINMUX_DATA(RXD3_MARK, PTJ7_FN),
+ PINMUX_DATA(TXD3_MARK, PTJ6_FN),
+ PINMUX_DATA(RXD2_MARK, PTJ5_FN),
+ PINMUX_DATA(TXD2_MARK, PTJ4_FN),
+ PINMUX_DATA(COM1_TXD_MARK, PTJ3_FN),
+ PINMUX_DATA(COM1_RXD_MARK, PTJ2_FN),
+ PINMUX_DATA(COM1_RTS_MARK, PTJ1_FN),
+ PINMUX_DATA(COM1_CTS_MARK, PTJ0_FN),
+
+ /* PTK FN */
+ PINMUX_DATA(COM2_TXD_MARK, PTK7_FN),
+ PINMUX_DATA(COM2_RXD_MARK, PTK6_FN),
+ PINMUX_DATA(COM2_RTS_MARK, PTK5_FN),
+ PINMUX_DATA(COM2_CTS_MARK, PTK4_FN),
+ PINMUX_DATA(COM2_DTR_MARK, PTK3_FN),
+ PINMUX_DATA(COM2_DSR_MARK, PTK2_FN),
+ PINMUX_DATA(COM2_DCD_MARK, PTK1_FN),
+ PINMUX_DATA(COM2_RI_MARK, PTK0_FN),
+
+ /* PTL FN */
+ PINMUX_DATA(RAC_TXD_MARK, PTL7_FN),
+ PINMUX_DATA(RAC_RXD_MARK, PTL6_FN),
+ PINMUX_DATA(RAC_RTS_MARK, PTL5_FN),
+ PINMUX_DATA(RAC_CTS_MARK, PTL4_FN),
+ PINMUX_DATA(RAC_DTR_MARK, PTL3_FN),
+ PINMUX_DATA(RAC_DSR_MARK, PTL2_FN),
+ PINMUX_DATA(RAC_DCD_MARK, PTL1_FN),
+ PINMUX_DATA(RAC_RI_MARK, PTL0_FN),
+
+ /* PTM FN */
+ PINMUX_DATA(WP_MARK, PTM6_FN),
+ PINMUX_DATA(FMS0_MARK, PTM5_FN),
+ PINMUX_DATA(FMS1_MARK, PTM4_FN),
+ PINMUX_DATA(SDA6_MARK, PTM3_FN),
+ PINMUX_DATA(SCL6_MARK, PTM2_FN),
+ PINMUX_DATA(SDA7_MARK, PTM1_FN),
+ PINMUX_DATA(SCL7_MARK, PTM0_FN),
+
+ /* PTN FN */
+ PINMUX_DATA(SCK2_MARK, PS4_15_FN1, PTN7_FN),
+ PINMUX_DATA(EVENT7_MARK, PS4_15_FN2, PTN7_FN),
+ PINMUX_DATA(RTS4_MARK, PS4_14_FN1, PTN6_FN),
+ PINMUX_DATA(EVENT6_MARK, PS4_14_FN2, PTN6_FN),
+ PINMUX_DATA(RTS3_MARK, PS4_13_FN1, PTN5_FN),
+ PINMUX_DATA(EVENT5_MARK, PS4_13_FN2, PTN5_FN),
+ PINMUX_DATA(RTS2_MARK, PS4_12_FN1, PTN4_FN),
+ PINMUX_DATA(EVENT4_MARK, PS4_12_FN2, PTN4_FN),
+ PINMUX_DATA(CTS4_MARK, PS4_11_FN1, PTN3_FN),
+ PINMUX_DATA(EVENT3_MARK, PS4_11_FN2, PTN3_FN),
+ PINMUX_DATA(CTS3_MARK, PS4_10_FN1, PTN2_FN),
+ PINMUX_DATA(EVENT2_MARK, PS4_10_FN2, PTN2_FN),
+ PINMUX_DATA(CTS2_MARK, PS4_9_FN1, PTN1_FN),
+ PINMUX_DATA(EVENT1_MARK, PS4_9_FN2, PTN1_FN),
+ PINMUX_DATA(EVENT0_MARK, PTN0_FN),
+
+ /* PTO FN */
+ PINMUX_DATA(SGPIO0_CLK_MARK, PTO7_FN),
+ PINMUX_DATA(SGPIO0_LOAD_MARK, PTO6_FN),
+ PINMUX_DATA(SGPIO0_DI_MARK, PTO5_FN),
+ PINMUX_DATA(SGPIO0_DO_MARK, PTO4_FN),
+ PINMUX_DATA(SGPIO1_CLK_MARK, PTO3_FN),
+ PINMUX_DATA(SGPIO1_LOAD_MARK, PTO2_FN),
+ PINMUX_DATA(SGPIO1_DI_MARK, PTO1_FN),
+ PINMUX_DATA(SGPIO1_DO_MARK, PTO0_FN),
+
+ /* PTP FN */
+ PINMUX_DATA(JMCTCK_MARK, PTP6_FN),
+ PINMUX_DATA(JMCTMS_MARK, PTP5_FN),
+ PINMUX_DATA(JMCTDO_MARK, PTP4_FN),
+ PINMUX_DATA(JMCTDI_MARK, PTP3_FN),
+ PINMUX_DATA(JMCRST_MARK, PTP2_FN),
+ PINMUX_DATA(SCK4_MARK, PTP1_FN),
+ PINMUX_DATA(SCK3_MARK, PTP0_FN),
+
+ /* PTQ FN */
+ PINMUX_DATA(LAD3_MARK, PTQ6_FN),
+ PINMUX_DATA(LAD2_MARK, PTQ5_FN),
+ PINMUX_DATA(LAD1_MARK, PTQ4_FN),
+ PINMUX_DATA(LAD0_MARK, PTQ3_FN),
+ PINMUX_DATA(LFRAME_MARK, PTQ2_FN),
+ PINMUX_DATA(SCK4_MARK, PTQ1_FN),
+ PINMUX_DATA(SCK3_MARK, PTQ0_FN),
+
+ /* PTR FN */
+ PINMUX_DATA(SDA8_MARK, PTR7_FN), /* DDC3? */
+ PINMUX_DATA(SCL8_MARK, PTR6_FN), /* DDC2? */
+ PINMUX_DATA(SDA2_MARK, PTR5_FN),
+ PINMUX_DATA(SCL2_MARK, PTR4_FN),
+ PINMUX_DATA(SDA1_MARK, PTR3_FN),
+ PINMUX_DATA(SCL1_MARK, PTR2_FN),
+ PINMUX_DATA(SDA0_MARK, PTR1_FN),
+ PINMUX_DATA(SCL0_MARK, PTR0_FN),
+
+ /* PTS FN */
+ PINMUX_DATA(SDA9_MARK, PTS7_FN), /* DDC1? */
+ PINMUX_DATA(SCL9_MARK, PTS6_FN), /* DDC0? */
+ PINMUX_DATA(SDA5_MARK, PTS5_FN),
+ PINMUX_DATA(SCL5_MARK, PTS4_FN),
+ PINMUX_DATA(SDA4_MARK, PTS3_FN),
+ PINMUX_DATA(SCL4_MARK, PTS2_FN),
+ PINMUX_DATA(SDA3_MARK, PTS1_FN),
+ PINMUX_DATA(SCL3_MARK, PTS0_FN),
+
+ /* PTT FN */
+ PINMUX_DATA(AUDSYNC_MARK, PTS5_FN),
+ PINMUX_DATA(AUDCK_MARK, PTS4_FN),
+ PINMUX_DATA(AUDATA3_MARK, PS4_3_FN1, PTS3_FN),
+ PINMUX_DATA(PWX7_MARK, PS4_3_FN2, PTS3_FN),
+ PINMUX_DATA(AUDATA2_MARK, PS4_2_FN1, PTS2_FN),
+ PINMUX_DATA(PWX6_MARK, PS4_2_FN2, PTS2_FN),
+ PINMUX_DATA(AUDATA1_MARK, PS4_1_FN1, PTS1_FN),
+ PINMUX_DATA(PWX5_MARK, PS4_1_FN2, PTS1_FN),
+ PINMUX_DATA(AUDATA0_MARK, PS4_0_FN1, PTS0_FN),
+ PINMUX_DATA(PWX4_MARK, PS4_0_FN2, PTS0_FN),
+
+ /* PTU FN */
+ PINMUX_DATA(CS6_MARK, PTU7_FN),
+ PINMUX_DATA(CS5_MARK, PTU6_FN),
+ PINMUX_DATA(CS4_MARK, PTU5_FN),
+ PINMUX_DATA(CS0_MARK, PTU4_FN),
+ PINMUX_DATA(RD_MARK, PTU3_FN),
+ PINMUX_DATA(WE0_MARK, PTU2_FN),
+ PINMUX_DATA(A25_MARK, PS5_9_FN1, PTU1_FN),
+ PINMUX_DATA(DREQ0_MARK, PS5_9_FN2, PTU1_FN),
+ PINMUX_DATA(A24_MARK, PS5_8_FN1, PTU0_FN),
+ PINMUX_DATA(DACK0_MARK, PS5_8_FN2, PTU0_FN),
+
+ /* PTV FN */
+ PINMUX_DATA(A23_MARK, PS5_7_FN1, PTV7_FN),
+ PINMUX_DATA(TEND0_MARK, PS5_7_FN2, PTV7_FN),
+ PINMUX_DATA(A22_MARK, PS5_6_FN1, PTV6_FN),
+ PINMUX_DATA(DREQ1_MARK, PS5_6_FN2, PTV6_FN),
+ PINMUX_DATA(A21_MARK, PS5_5_FN1, PTV5_FN),
+ PINMUX_DATA(DACK1_MARK, PS5_5_FN2, PTV5_FN),
+ PINMUX_DATA(A20_MARK, PS5_4_FN1, PTV4_FN),
+ PINMUX_DATA(TEND1_MARK, PS5_4_FN2, PTV4_FN),
+ PINMUX_DATA(A19_MARK, PTV3_FN),
+ PINMUX_DATA(A18_MARK, PTV2_FN),
+ PINMUX_DATA(A17_MARK, PTV1_FN),
+ PINMUX_DATA(A16_MARK, PTV0_FN),
+
+ /* PTW FN */
+ PINMUX_DATA(A15_MARK, PTW7_FN),
+ PINMUX_DATA(A14_MARK, PTW6_FN),
+ PINMUX_DATA(A13_MARK, PTW5_FN),
+ PINMUX_DATA(A12_MARK, PTW4_FN),
+ PINMUX_DATA(A11_MARK, PTW3_FN),
+ PINMUX_DATA(A10_MARK, PTW2_FN),
+ PINMUX_DATA(A9_MARK, PTW1_FN),
+ PINMUX_DATA(A8_MARK, PTW0_FN),
+
+ /* PTX FN */
+ PINMUX_DATA(A7_MARK, PTX7_FN),
+ PINMUX_DATA(A6_MARK, PTX6_FN),
+ PINMUX_DATA(A5_MARK, PTX5_FN),
+ PINMUX_DATA(A4_MARK, PTX4_FN),
+ PINMUX_DATA(A3_MARK, PTX3_FN),
+ PINMUX_DATA(A2_MARK, PTX2_FN),
+ PINMUX_DATA(A1_MARK, PTX1_FN),
+ PINMUX_DATA(A0_MARK, PTX0_FN),
+
+ /* PTY FN */
+ PINMUX_DATA(D7_MARK, PTY7_FN),
+ PINMUX_DATA(D6_MARK, PTY6_FN),
+ PINMUX_DATA(D5_MARK, PTY5_FN),
+ PINMUX_DATA(D4_MARK, PTY4_FN),
+ PINMUX_DATA(D3_MARK, PTY3_FN),
+ PINMUX_DATA(D2_MARK, PTY2_FN),
+ PINMUX_DATA(D1_MARK, PTY1_FN),
+ PINMUX_DATA(D0_MARK, PTY0_FN),
+};
+
+static struct pinmux_gpio pinmux_gpios[] = {
+ /* PTA */
+ PINMUX_GPIO(GPIO_PTA7, PTA7_DATA),
+ PINMUX_GPIO(GPIO_PTA6, PTA6_DATA),
+ PINMUX_GPIO(GPIO_PTA5, PTA5_DATA),
+ PINMUX_GPIO(GPIO_PTA4, PTA4_DATA),
+ PINMUX_GPIO(GPIO_PTA3, PTA3_DATA),
+ PINMUX_GPIO(GPIO_PTA2, PTA2_DATA),
+ PINMUX_GPIO(GPIO_PTA1, PTA1_DATA),
+ PINMUX_GPIO(GPIO_PTA0, PTA0_DATA),
+
+ /* PTB */
+ PINMUX_GPIO(GPIO_PTB7, PTB7_DATA),
+ PINMUX_GPIO(GPIO_PTB6, PTB6_DATA),
+ PINMUX_GPIO(GPIO_PTB5, PTB5_DATA),
+ PINMUX_GPIO(GPIO_PTB4, PTB4_DATA),
+ PINMUX_GPIO(GPIO_PTB3, PTB3_DATA),
+ PINMUX_GPIO(GPIO_PTB2, PTB2_DATA),
+ PINMUX_GPIO(GPIO_PTB1, PTB1_DATA),
+ PINMUX_GPIO(GPIO_PTB0, PTB0_DATA),
+
+ /* PTC */
+ PINMUX_GPIO(GPIO_PTC7, PTC7_DATA),
+ PINMUX_GPIO(GPIO_PTC6, PTC6_DATA),
+ PINMUX_GPIO(GPIO_PTC5, PTC5_DATA),
+ PINMUX_GPIO(GPIO_PTC4, PTC4_DATA),
+ PINMUX_GPIO(GPIO_PTC3, PTC3_DATA),
+ PINMUX_GPIO(GPIO_PTC2, PTC2_DATA),
+ PINMUX_GPIO(GPIO_PTC1, PTC1_DATA),
+ PINMUX_GPIO(GPIO_PTC0, PTC0_DATA),
+
+ /* PTD */
+ PINMUX_GPIO(GPIO_PTD7, PTD7_DATA),
+ PINMUX_GPIO(GPIO_PTD6, PTD6_DATA),
+ PINMUX_GPIO(GPIO_PTD5, PTD5_DATA),
+ PINMUX_GPIO(GPIO_PTD4, PTD4_DATA),
+ PINMUX_GPIO(GPIO_PTD3, PTD3_DATA),
+ PINMUX_GPIO(GPIO_PTD2, PTD2_DATA),
+ PINMUX_GPIO(GPIO_PTD1, PTD1_DATA),
+ PINMUX_GPIO(GPIO_PTD0, PTD0_DATA),
+
+ /* PTE */
+ PINMUX_GPIO(GPIO_PTE7, PTE7_DATA),
+ PINMUX_GPIO(GPIO_PTE6, PTE6_DATA),
+ PINMUX_GPIO(GPIO_PTE5, PTE5_DATA),
+ PINMUX_GPIO(GPIO_PTE4, PTE4_DATA),
+ PINMUX_GPIO(GPIO_PTE3, PTE3_DATA),
+ PINMUX_GPIO(GPIO_PTE2, PTE2_DATA),
+ PINMUX_GPIO(GPIO_PTE1, PTE1_DATA),
+ PINMUX_GPIO(GPIO_PTE0, PTE0_DATA),
+
+ /* PTF */
+ PINMUX_GPIO(GPIO_PTF7, PTF7_DATA),
+ PINMUX_GPIO(GPIO_PTF6, PTF6_DATA),
+ PINMUX_GPIO(GPIO_PTF5, PTF5_DATA),
+ PINMUX_GPIO(GPIO_PTF4, PTF4_DATA),
+ PINMUX_GPIO(GPIO_PTF3, PTF3_DATA),
+ PINMUX_GPIO(GPIO_PTF2, PTF2_DATA),
+ PINMUX_GPIO(GPIO_PTF1, PTF1_DATA),
+ PINMUX_GPIO(GPIO_PTF0, PTF0_DATA),
+
+ /* PTG */
+ PINMUX_GPIO(GPIO_PTG7, PTG7_DATA),
+ PINMUX_GPIO(GPIO_PTG6, PTG6_DATA),
+ PINMUX_GPIO(GPIO_PTG5, PTG5_DATA),
+ PINMUX_GPIO(GPIO_PTG4, PTG4_DATA),
+ PINMUX_GPIO(GPIO_PTG3, PTG3_DATA),
+ PINMUX_GPIO(GPIO_PTG2, PTG2_DATA),
+ PINMUX_GPIO(GPIO_PTG1, PTG1_DATA),
+ PINMUX_GPIO(GPIO_PTG0, PTG0_DATA),
+
+ /* PTH */
+ PINMUX_GPIO(GPIO_PTH7, PTH7_DATA),
+ PINMUX_GPIO(GPIO_PTH6, PTH6_DATA),
+ PINMUX_GPIO(GPIO_PTH5, PTH5_DATA),
+ PINMUX_GPIO(GPIO_PTH4, PTH4_DATA),
+ PINMUX_GPIO(GPIO_PTH3, PTH3_DATA),
+ PINMUX_GPIO(GPIO_PTH2, PTH2_DATA),
+ PINMUX_GPIO(GPIO_PTH1, PTH1_DATA),
+ PINMUX_GPIO(GPIO_PTH0, PTH0_DATA),
+
+ /* PTI */
+ PINMUX_GPIO(GPIO_PTI7, PTI7_DATA),
+ PINMUX_GPIO(GPIO_PTI6, PTI6_DATA),
+ PINMUX_GPIO(GPIO_PTI5, PTI5_DATA),
+ PINMUX_GPIO(GPIO_PTI4, PTI4_DATA),
+ PINMUX_GPIO(GPIO_PTI3, PTI3_DATA),
+ PINMUX_GPIO(GPIO_PTI2, PTI2_DATA),
+ PINMUX_GPIO(GPIO_PTI1, PTI1_DATA),
+ PINMUX_GPIO(GPIO_PTI0, PTI0_DATA),
+
+ /* PTJ */
+ PINMUX_GPIO(GPIO_PTJ7, PTJ7_DATA),
+ PINMUX_GPIO(GPIO_PTJ6, PTJ6_DATA),
+ PINMUX_GPIO(GPIO_PTJ5, PTJ5_DATA),
+ PINMUX_GPIO(GPIO_PTJ4, PTJ4_DATA),
+ PINMUX_GPIO(GPIO_PTJ3, PTJ3_DATA),
+ PINMUX_GPIO(GPIO_PTJ2, PTJ2_DATA),
+ PINMUX_GPIO(GPIO_PTJ1, PTJ1_DATA),
+ PINMUX_GPIO(GPIO_PTJ0, PTJ0_DATA),
+
+ /* PTK */
+ PINMUX_GPIO(GPIO_PTK7, PTK7_DATA),
+ PINMUX_GPIO(GPIO_PTK6, PTK6_DATA),
+ PINMUX_GPIO(GPIO_PTK5, PTK5_DATA),
+ PINMUX_GPIO(GPIO_PTK4, PTK4_DATA),
+ PINMUX_GPIO(GPIO_PTK3, PTK3_DATA),
+ PINMUX_GPIO(GPIO_PTK2, PTK2_DATA),
+ PINMUX_GPIO(GPIO_PTK1, PTK1_DATA),
+ PINMUX_GPIO(GPIO_PTK0, PTK0_DATA),
+
+ /* PTL */
+ PINMUX_GPIO(GPIO_PTL7, PTL7_DATA),
+ PINMUX_GPIO(GPIO_PTL6, PTL6_DATA),
+ PINMUX_GPIO(GPIO_PTL5, PTL5_DATA),
+ PINMUX_GPIO(GPIO_PTL4, PTL4_DATA),
+ PINMUX_GPIO(GPIO_PTL3, PTL3_DATA),
+ PINMUX_GPIO(GPIO_PTL2, PTL2_DATA),
+ PINMUX_GPIO(GPIO_PTL1, PTL1_DATA),
+ PINMUX_GPIO(GPIO_PTL0, PTL0_DATA),
+
+ /* PTM */
+ PINMUX_GPIO(GPIO_PTM6, PTM6_DATA),
+ PINMUX_GPIO(GPIO_PTM5, PTM5_DATA),
+ PINMUX_GPIO(GPIO_PTM4, PTM4_DATA),
+ PINMUX_GPIO(GPIO_PTM3, PTM3_DATA),
+ PINMUX_GPIO(GPIO_PTM2, PTM2_DATA),
+ PINMUX_GPIO(GPIO_PTM1, PTM1_DATA),
+ PINMUX_GPIO(GPIO_PTM0, PTM0_DATA),
+
+ /* PTN */
+ PINMUX_GPIO(GPIO_PTN7, PTN7_DATA),
+ PINMUX_GPIO(GPIO_PTN6, PTN6_DATA),
+ PINMUX_GPIO(GPIO_PTN5, PTN5_DATA),
+ PINMUX_GPIO(GPIO_PTN4, PTN4_DATA),
+ PINMUX_GPIO(GPIO_PTN3, PTN3_DATA),
+ PINMUX_GPIO(GPIO_PTN2, PTN2_DATA),
+ PINMUX_GPIO(GPIO_PTN1, PTN1_DATA),
+ PINMUX_GPIO(GPIO_PTN0, PTN0_DATA),
+
+ /* PTO */
+ PINMUX_GPIO(GPIO_PTO7, PTO7_DATA),
+ PINMUX_GPIO(GPIO_PTO6, PTO6_DATA),
+ PINMUX_GPIO(GPIO_PTO5, PTO5_DATA),
+ PINMUX_GPIO(GPIO_PTO4, PTO4_DATA),
+ PINMUX_GPIO(GPIO_PTO3, PTO3_DATA),
+ PINMUX_GPIO(GPIO_PTO2, PTO2_DATA),
+ PINMUX_GPIO(GPIO_PTO1, PTO1_DATA),
+ PINMUX_GPIO(GPIO_PTO0, PTO0_DATA),
+
+ /* PTP */
+ PINMUX_GPIO(GPIO_PTP6, PTP6_DATA),
+ PINMUX_GPIO(GPIO_PTP5, PTP5_DATA),
+ PINMUX_GPIO(GPIO_PTP4, PTP4_DATA),
+ PINMUX_GPIO(GPIO_PTP3, PTP3_DATA),
+ PINMUX_GPIO(GPIO_PTP2, PTP2_DATA),
+ PINMUX_GPIO(GPIO_PTP1, PTP1_DATA),
+ PINMUX_GPIO(GPIO_PTP0, PTP0_DATA),
+
+ /* PTQ */
+ PINMUX_GPIO(GPIO_PTQ6, PTQ6_DATA),
+ PINMUX_GPIO(GPIO_PTQ5, PTQ5_DATA),
+ PINMUX_GPIO(GPIO_PTQ4, PTQ4_DATA),
+ PINMUX_GPIO(GPIO_PTQ3, PTQ3_DATA),
+ PINMUX_GPIO(GPIO_PTQ2, PTQ2_DATA),
+ PINMUX_GPIO(GPIO_PTQ1, PTQ1_DATA),
+ PINMUX_GPIO(GPIO_PTQ0, PTQ0_DATA),
+
+ /* PTR */
+ PINMUX_GPIO(GPIO_PTR7, PTR7_DATA),
+ PINMUX_GPIO(GPIO_PTR6, PTR6_DATA),
+ PINMUX_GPIO(GPIO_PTR5, PTR5_DATA),
+ PINMUX_GPIO(GPIO_PTR4, PTR4_DATA),
+ PINMUX_GPIO(GPIO_PTR3, PTR3_DATA),
+ PINMUX_GPIO(GPIO_PTR2, PTR2_DATA),
+ PINMUX_GPIO(GPIO_PTR1, PTR1_DATA),
+ PINMUX_GPIO(GPIO_PTR0, PTR0_DATA),
+
+ /* PTS */
+ PINMUX_GPIO(GPIO_PTS7, PTS7_DATA),
+ PINMUX_GPIO(GPIO_PTS6, PTS6_DATA),
+ PINMUX_GPIO(GPIO_PTS5, PTS5_DATA),
+ PINMUX_GPIO(GPIO_PTS4, PTS4_DATA),
+ PINMUX_GPIO(GPIO_PTS3, PTS3_DATA),
+ PINMUX_GPIO(GPIO_PTS2, PTS2_DATA),
+ PINMUX_GPIO(GPIO_PTS1, PTS1_DATA),
+ PINMUX_GPIO(GPIO_PTS0, PTS0_DATA),
+
+ /* PTT */
+ PINMUX_GPIO(GPIO_PTT5, PTT5_DATA),
+ PINMUX_GPIO(GPIO_PTT4, PTT4_DATA),
+ PINMUX_GPIO(GPIO_PTT3, PTT3_DATA),
+ PINMUX_GPIO(GPIO_PTT2, PTT2_DATA),
+ PINMUX_GPIO(GPIO_PTT1, PTT1_DATA),
+ PINMUX_GPIO(GPIO_PTT0, PTT0_DATA),
+
+ /* PTU */
+ PINMUX_GPIO(GPIO_PTU7, PTU7_DATA),
+ PINMUX_GPIO(GPIO_PTU6, PTU6_DATA),
+ PINMUX_GPIO(GPIO_PTU5, PTU5_DATA),
+ PINMUX_GPIO(GPIO_PTU4, PTU4_DATA),
+ PINMUX_GPIO(GPIO_PTU3, PTU3_DATA),
+ PINMUX_GPIO(GPIO_PTU2, PTU2_DATA),
+ PINMUX_GPIO(GPIO_PTU1, PTU1_DATA),
+ PINMUX_GPIO(GPIO_PTU0, PTU0_DATA),
+
+ /* PTV */
+ PINMUX_GPIO(GPIO_PTV7, PTV7_DATA),
+ PINMUX_GPIO(GPIO_PTV6, PTV6_DATA),
+ PINMUX_GPIO(GPIO_PTV5, PTV5_DATA),
+ PINMUX_GPIO(GPIO_PTV4, PTV4_DATA),
+ PINMUX_GPIO(GPIO_PTV3, PTV3_DATA),
+ PINMUX_GPIO(GPIO_PTV2, PTV2_DATA),
+ PINMUX_GPIO(GPIO_PTV1, PTV1_DATA),
+ PINMUX_GPIO(GPIO_PTV0, PTV0_DATA),
+
+ /* PTW */
+ PINMUX_GPIO(GPIO_PTW7, PTW7_DATA),
+ PINMUX_GPIO(GPIO_PTW6, PTW6_DATA),
+ PINMUX_GPIO(GPIO_PTW5, PTW5_DATA),
+ PINMUX_GPIO(GPIO_PTW4, PTW4_DATA),
+ PINMUX_GPIO(GPIO_PTW3, PTW3_DATA),
+ PINMUX_GPIO(GPIO_PTW2, PTW2_DATA),
+ PINMUX_GPIO(GPIO_PTW1, PTW1_DATA),
+ PINMUX_GPIO(GPIO_PTW0, PTW0_DATA),
+
+ /* PTX */
+ PINMUX_GPIO(GPIO_PTX7, PTX7_DATA),
+ PINMUX_GPIO(GPIO_PTX6, PTX6_DATA),
+ PINMUX_GPIO(GPIO_PTX5, PTX5_DATA),
+ PINMUX_GPIO(GPIO_PTX4, PTX4_DATA),
+ PINMUX_GPIO(GPIO_PTX3, PTX3_DATA),
+ PINMUX_GPIO(GPIO_PTX2, PTX2_DATA),
+ PINMUX_GPIO(GPIO_PTX1, PTX1_DATA),
+ PINMUX_GPIO(GPIO_PTX0, PTX0_DATA),
+
+ /* PTY */
+ PINMUX_GPIO(GPIO_PTY7, PTY7_DATA),
+ PINMUX_GPIO(GPIO_PTY6, PTY6_DATA),
+ PINMUX_GPIO(GPIO_PTY5, PTY5_DATA),
+ PINMUX_GPIO(GPIO_PTY4, PTY4_DATA),
+ PINMUX_GPIO(GPIO_PTY3, PTY3_DATA),
+ PINMUX_GPIO(GPIO_PTY2, PTY2_DATA),
+ PINMUX_GPIO(GPIO_PTY1, PTY1_DATA),
+ PINMUX_GPIO(GPIO_PTY0, PTY0_DATA),
+
+ /* PTZ */
+ PINMUX_GPIO(GPIO_PTZ7, PTZ7_DATA),
+ PINMUX_GPIO(GPIO_PTZ6, PTZ6_DATA),
+ PINMUX_GPIO(GPIO_PTZ5, PTZ5_DATA),
+ PINMUX_GPIO(GPIO_PTZ4, PTZ4_DATA),
+ PINMUX_GPIO(GPIO_PTZ3, PTZ3_DATA),
+ PINMUX_GPIO(GPIO_PTZ2, PTZ2_DATA),
+ PINMUX_GPIO(GPIO_PTZ1, PTZ1_DATA),
+ PINMUX_GPIO(GPIO_PTZ0, PTZ0_DATA),
+
+ /* PTA (mobule: LBSC, CPG, LPC) */
+ PINMUX_GPIO(GPIO_FN_BS, BS_MARK),
+ PINMUX_GPIO(GPIO_FN_RDWR, RDWR_MARK),
+ PINMUX_GPIO(GPIO_FN_WE1, WE1_MARK),
+ PINMUX_GPIO(GPIO_FN_RDY, RDY_MARK),
+ PINMUX_GPIO(GPIO_FN_MD10, MD10_MARK),
+ PINMUX_GPIO(GPIO_FN_MD9, MD9_MARK),
+ PINMUX_GPIO(GPIO_FN_MD8, MD8_MARK),
+ PINMUX_GPIO(GPIO_FN_LGPIO7, LGPIO7_MARK),
+ PINMUX_GPIO(GPIO_FN_LGPIO6, LGPIO6_MARK),
+ PINMUX_GPIO(GPIO_FN_LGPIO5, LGPIO5_MARK),
+ PINMUX_GPIO(GPIO_FN_LGPIO4, LGPIO4_MARK),
+ PINMUX_GPIO(GPIO_FN_LGPIO3, LGPIO3_MARK),
+ PINMUX_GPIO(GPIO_FN_LGPIO2, LGPIO2_MARK),
+ PINMUX_GPIO(GPIO_FN_LGPIO1, LGPIO1_MARK),
+ PINMUX_GPIO(GPIO_FN_LGPIO0, LGPIO0_MARK),
+
+ /* PTB (mobule: LBSC, EtherC, SIM, LPC) */
+ PINMUX_GPIO(GPIO_FN_D15, D15_MARK),
+ PINMUX_GPIO(GPIO_FN_D14, D14_MARK),
+ PINMUX_GPIO(GPIO_FN_D13, D13_MARK),
+ PINMUX_GPIO(GPIO_FN_D12, D12_MARK),
+ PINMUX_GPIO(GPIO_FN_D11, D11_MARK),
+ PINMUX_GPIO(GPIO_FN_D10, D10_MARK),
+ PINMUX_GPIO(GPIO_FN_D9, D9_MARK),
+ PINMUX_GPIO(GPIO_FN_D8, D8_MARK),
+ PINMUX_GPIO(GPIO_FN_ET0_MDC, ET0_MDC_MARK),
+ PINMUX_GPIO(GPIO_FN_ET0_MDIO, ET0_MDIO_MARK),
+ PINMUX_GPIO(GPIO_FN_ET1_MDC, ET1_MDC_MARK),
+ PINMUX_GPIO(GPIO_FN_ET1_MDIO, ET1_MDIO_MARK),
+ PINMUX_GPIO(GPIO_FN_WPSZ1, WPSZ1_MARK),
+ PINMUX_GPIO(GPIO_FN_WPSZ0, WPSZ0_MARK),
+ PINMUX_GPIO(GPIO_FN_FWID, FWID_MARK),
+ PINMUX_GPIO(GPIO_FN_FLSHSZ, FLSHSZ_MARK),
+ PINMUX_GPIO(GPIO_FN_LPC_SPIEN, LPC_SPIEN_MARK),
+ PINMUX_GPIO(GPIO_FN_BASEL, BASEL_MARK),
+
+ /* PTC (mobule: SD) */
+ PINMUX_GPIO(GPIO_FN_SD_WP, SD_WP_MARK),
+ PINMUX_GPIO(GPIO_FN_SD_CD, SD_CD_MARK),
+ PINMUX_GPIO(GPIO_FN_SD_CLK, SD_CLK_MARK),
+ PINMUX_GPIO(GPIO_FN_SD_CMD, SD_CMD_MARK),
+ PINMUX_GPIO(GPIO_FN_SD_D3, SD_D3_MARK),
+ PINMUX_GPIO(GPIO_FN_SD_D2, SD_D2_MARK),
+ PINMUX_GPIO(GPIO_FN_SD_D1, SD_D1_MARK),
+ PINMUX_GPIO(GPIO_FN_SD_D0, SD_D0_MARK),
+
+ /* PTD (mobule: INTC, SPI0, LBSC, CPG, ADC) */
+ PINMUX_GPIO(GPIO_FN_IRQ7, IRQ7_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ6, IRQ6_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ5, IRQ5_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ4, IRQ4_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ3, IRQ3_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ2, IRQ2_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ1, IRQ1_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ0, IRQ0_MARK),
+ PINMUX_GPIO(GPIO_FN_MD6, MD6_MARK),
+ PINMUX_GPIO(GPIO_FN_MD5, MD5_MARK),
+ PINMUX_GPIO(GPIO_FN_MD3, MD3_MARK),
+ PINMUX_GPIO(GPIO_FN_MD2, MD2_MARK),
+ PINMUX_GPIO(GPIO_FN_MD1, MD1_MARK),
+ PINMUX_GPIO(GPIO_FN_MD0, MD0_MARK),
+ PINMUX_GPIO(GPIO_FN_ADTRG1, ADTRG1_MARK),
+ PINMUX_GPIO(GPIO_FN_ADTRG0, ADTRG0_MARK),
+
+ /* PTE (mobule: EtherC) */
+ PINMUX_GPIO(GPIO_FN_ET0_CRS_DV, ET0_CRS_DV_MARK),
+ PINMUX_GPIO(GPIO_FN_ET0_TXD1, ET0_TXD1_MARK),
+ PINMUX_GPIO(GPIO_FN_ET0_TXD0, ET0_TXD0_MARK),
+ PINMUX_GPIO(GPIO_FN_ET0_TX_EN, ET0_TX_EN_MARK),
+ PINMUX_GPIO(GPIO_FN_ET0_REF_CLK, ET0_REF_CLK_MARK),
+ PINMUX_GPIO(GPIO_FN_ET0_RXD1, ET0_RXD1_MARK),
+ PINMUX_GPIO(GPIO_FN_ET0_RXD0, ET0_RXD0_MARK),
+ PINMUX_GPIO(GPIO_FN_ET0_RX_ER, ET0_RX_ER_MARK),
+
+ /* PTF (mobule: EtherC) */
+ PINMUX_GPIO(GPIO_FN_ET1_CRS_DV, ET1_CRS_DV_MARK),
+ PINMUX_GPIO(GPIO_FN_ET1_TXD1, ET1_TXD1_MARK),
+ PINMUX_GPIO(GPIO_FN_ET1_TXD0, ET1_TXD0_MARK),
+ PINMUX_GPIO(GPIO_FN_ET1_TX_EN, ET1_TX_EN_MARK),
+ PINMUX_GPIO(GPIO_FN_ET1_REF_CLK, ET1_REF_CLK_MARK),
+ PINMUX_GPIO(GPIO_FN_ET1_RXD1, ET1_RXD1_MARK),
+ PINMUX_GPIO(GPIO_FN_ET1_RXD0, ET1_RXD0_MARK),
+ PINMUX_GPIO(GPIO_FN_ET1_RX_ER, ET1_RX_ER_MARK),
+
+ /* PTG (mobule: SYSTEM, PWMX, LPC) */
+ PINMUX_GPIO(GPIO_FN_STATUS0, STATUS0_MARK),
+ PINMUX_GPIO(GPIO_FN_STATUS1, STATUS1_MARK),
+ PINMUX_GPIO(GPIO_FN_PWX0, PWX0_MARK),
+ PINMUX_GPIO(GPIO_FN_PWX1, PWX1_MARK),
+ PINMUX_GPIO(GPIO_FN_PWX2, PWX2_MARK),
+ PINMUX_GPIO(GPIO_FN_PWX3, PWX3_MARK),
+ PINMUX_GPIO(GPIO_FN_SERIRQ, SERIRQ_MARK),
+ PINMUX_GPIO(GPIO_FN_CLKRUN, CLKRUN_MARK),
+ PINMUX_GPIO(GPIO_FN_LPCPD, LPCPD_MARK),
+ PINMUX_GPIO(GPIO_FN_LDRQ, LDRQ_MARK),
+
+ /* PTH (mobule: TMU, SCIF234, SPI1, SPI0) */
+ PINMUX_GPIO(GPIO_FN_TCLK, TCLK_MARK),
+ PINMUX_GPIO(GPIO_FN_RXD4, RXD4_MARK),
+ PINMUX_GPIO(GPIO_FN_TXD4, TXD4_MARK),
+ PINMUX_GPIO(GPIO_FN_SP1_MOSI, SP1_MOSI_MARK),
+ PINMUX_GPIO(GPIO_FN_SP1_MISO, SP1_MISO_MARK),
+ PINMUX_GPIO(GPIO_FN_SP1_SCK, SP1_SCK_MARK),
+ PINMUX_GPIO(GPIO_FN_SP1_SCK_FB, SP1_SCK_FB_MARK),
+ PINMUX_GPIO(GPIO_FN_SP1_SS0, SP1_SS0_MARK),
+ PINMUX_GPIO(GPIO_FN_SP1_SS1, SP1_SS1_MARK),
+ PINMUX_GPIO(GPIO_FN_SP0_SS1, SP0_SS1_MARK),
+
+ /* PTI (mobule: INTC) */
+ PINMUX_GPIO(GPIO_FN_IRQ15, IRQ15_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ14, IRQ14_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ13, IRQ13_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ12, IRQ12_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ11, IRQ11_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ10, IRQ10_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ9, IRQ9_MARK),
+ PINMUX_GPIO(GPIO_FN_IRQ8, IRQ8_MARK),
+
+ /* PTJ (mobule: SCIF234, SERMUX) */
+ PINMUX_GPIO(GPIO_FN_RXD3, RXD3_MARK),
+ PINMUX_GPIO(GPIO_FN_TXD3, TXD3_MARK),
+ PINMUX_GPIO(GPIO_FN_RXD2, RXD2_MARK),
+ PINMUX_GPIO(GPIO_FN_TXD2, TXD2_MARK),
+ PINMUX_GPIO(GPIO_FN_COM1_TXD, COM1_TXD_MARK),
+ PINMUX_GPIO(GPIO_FN_COM1_RXD, COM1_RXD_MARK),
+ PINMUX_GPIO(GPIO_FN_COM1_RTS, COM1_RTS_MARK),
+ PINMUX_GPIO(GPIO_FN_COM1_CTS, COM1_CTS_MARK),
+
+ /* PTK (mobule: SERMUX) */
+ PINMUX_GPIO(GPIO_FN_COM2_TXD, COM2_TXD_MARK),
+ PINMUX_GPIO(GPIO_FN_COM2_RXD, COM2_RXD_MARK),
+ PINMUX_GPIO(GPIO_FN_COM2_RTS, COM2_RTS_MARK),
+ PINMUX_GPIO(GPIO_FN_COM2_CTS, COM2_CTS_MARK),
+ PINMUX_GPIO(GPIO_FN_COM2_DTR, COM2_DTR_MARK),
+ PINMUX_GPIO(GPIO_FN_COM2_DSR, COM2_DSR_MARK),
+ PINMUX_GPIO(GPIO_FN_COM2_DCD, COM2_DCD_MARK),
+ PINMUX_GPIO(GPIO_FN_COM2_RI, COM2_RI_MARK),
+
+ /* PTL (mobule: SERMUX) */
+ PINMUX_GPIO(GPIO_FN_RAC_TXD, RAC_TXD_MARK),
+ PINMUX_GPIO(GPIO_FN_RAC_RXD, RAC_RXD_MARK),
+ PINMUX_GPIO(GPIO_FN_RAC_RTS, RAC_RTS_MARK),
+ PINMUX_GPIO(GPIO_FN_RAC_CTS, RAC_CTS_MARK),
+ PINMUX_GPIO(GPIO_FN_RAC_DTR, RAC_DTR_MARK),
+ PINMUX_GPIO(GPIO_FN_RAC_DSR, RAC_DSR_MARK),
+ PINMUX_GPIO(GPIO_FN_RAC_DCD, RAC_DCD_MARK),
+ PINMUX_GPIO(GPIO_FN_RAC_RI, RAC_RI_MARK),
+
+ /* PTM (mobule: IIC, LPC) */
+ PINMUX_GPIO(GPIO_FN_SDA6, SDA6_MARK),
+ PINMUX_GPIO(GPIO_FN_SCL6, SCL6_MARK),
+ PINMUX_GPIO(GPIO_FN_SDA7, SDA7_MARK),
+ PINMUX_GPIO(GPIO_FN_SCL7, SCL7_MARK),
+ PINMUX_GPIO(GPIO_FN_WP, WP_MARK),
+ PINMUX_GPIO(GPIO_FN_FMS0, FMS0_MARK),
+ PINMUX_GPIO(GPIO_FN_FMS1, FMS1_MARK),
+
+ /* PTN (mobule: SCIF234, EVC) */
+ PINMUX_GPIO(GPIO_FN_SCK2, SCK2_MARK),
+ PINMUX_GPIO(GPIO_FN_RTS4, RTS4_MARK),
+ PINMUX_GPIO(GPIO_FN_RTS3, RTS3_MARK),
+ PINMUX_GPIO(GPIO_FN_RTS2, RTS2_MARK),
+ PINMUX_GPIO(GPIO_FN_CTS4, CTS4_MARK),
+ PINMUX_GPIO(GPIO_FN_CTS3, CTS3_MARK),
+ PINMUX_GPIO(GPIO_FN_CTS2, CTS2_MARK),
+ PINMUX_GPIO(GPIO_FN_EVENT7, EVENT7_MARK),
+ PINMUX_GPIO(GPIO_FN_EVENT6, EVENT6_MARK),
+ PINMUX_GPIO(GPIO_FN_EVENT5, EVENT5_MARK),
+ PINMUX_GPIO(GPIO_FN_EVENT4, EVENT4_MARK),
+ PINMUX_GPIO(GPIO_FN_EVENT3, EVENT3_MARK),
+ PINMUX_GPIO(GPIO_FN_EVENT2, EVENT2_MARK),
+ PINMUX_GPIO(GPIO_FN_EVENT1, EVENT1_MARK),
+ PINMUX_GPIO(GPIO_FN_EVENT0, EVENT0_MARK),
+
+ /* PTO (mobule: SGPIO) */
+ PINMUX_GPIO(GPIO_FN_SGPIO0_CLK, SGPIO0_CLK_MARK),
+ PINMUX_GPIO(GPIO_FN_SGPIO0_LOAD, SGPIO0_LOAD_MARK),
+ PINMUX_GPIO(GPIO_FN_SGPIO0_DI, SGPIO0_DI_MARK),
+ PINMUX_GPIO(GPIO_FN_SGPIO0_DO, SGPIO0_DO_MARK),
+ PINMUX_GPIO(GPIO_FN_SGPIO1_CLK, SGPIO1_CLK_MARK),
+ PINMUX_GPIO(GPIO_FN_SGPIO1_LOAD, SGPIO1_LOAD_MARK),
+ PINMUX_GPIO(GPIO_FN_SGPIO1_DI, SGPIO1_DI_MARK),
+ PINMUX_GPIO(GPIO_FN_SGPIO1_DO, SGPIO1_DO_MARK),
+
+ /* PTP (mobule: JMC, SCIF234) */
+ PINMUX_GPIO(GPIO_FN_JMCTCK, JMCTCK_MARK),
+ PINMUX_GPIO(GPIO_FN_JMCTMS, JMCTMS_MARK),
+ PINMUX_GPIO(GPIO_FN_JMCTDO, JMCTDO_MARK),
+ PINMUX_GPIO(GPIO_FN_JMCTDI, JMCTDI_MARK),
+ PINMUX_GPIO(GPIO_FN_JMCRST, JMCRST_MARK),
+ PINMUX_GPIO(GPIO_FN_SCK4, SCK4_MARK),
+ PINMUX_GPIO(GPIO_FN_SCK3, SCK3_MARK),
+
+ /* PTQ (mobule: LPC) */
+ PINMUX_GPIO(GPIO_FN_LAD3, LAD3_MARK),
+ PINMUX_GPIO(GPIO_FN_LAD2, LAD2_MARK),
+ PINMUX_GPIO(GPIO_FN_LAD1, LAD1_MARK),
+ PINMUX_GPIO(GPIO_FN_LAD0, LAD0_MARK),
+ PINMUX_GPIO(GPIO_FN_LFRAME, LFRAME_MARK),
+ PINMUX_GPIO(GPIO_FN_LRESET, LRESET_MARK),
+ PINMUX_GPIO(GPIO_FN_LCLK, LCLK_MARK),
+
+ /* PTR (mobule: GRA, IIC) */
+ PINMUX_GPIO(GPIO_FN_DDC3, DDC3_MARK),
+ PINMUX_GPIO(GPIO_FN_DDC2, DDC2_MARK),
+ PINMUX_GPIO(GPIO_FN_SDA8, SDA8_MARK),
+ PINMUX_GPIO(GPIO_FN_SCL8, SCL8_MARK),
+ PINMUX_GPIO(GPIO_FN_SDA2, SDA2_MARK),
+ PINMUX_GPIO(GPIO_FN_SCL2, SCL2_MARK),
+ PINMUX_GPIO(GPIO_FN_SDA1, SDA1_MARK),
+ PINMUX_GPIO(GPIO_FN_SCL1, SCL1_MARK),
+ PINMUX_GPIO(GPIO_FN_SDA0, SDA0_MARK),
+ PINMUX_GPIO(GPIO_FN_SCL0, SCL0_MARK),
+
+ /* PTS (mobule: GRA, IIC) */
+ PINMUX_GPIO(GPIO_FN_DDC1, DDC1_MARK),
+ PINMUX_GPIO(GPIO_FN_DDC0, DDC0_MARK),
+ PINMUX_GPIO(GPIO_FN_SDA9, SDA9_MARK),
+ PINMUX_GPIO(GPIO_FN_SCL9, SCL9_MARK),
+ PINMUX_GPIO(GPIO_FN_SDA5, SDA5_MARK),
+ PINMUX_GPIO(GPIO_FN_SCL5, SCL5_MARK),
+ PINMUX_GPIO(GPIO_FN_SDA4, SDA4_MARK),
+ PINMUX_GPIO(GPIO_FN_SCL4, SCL4_MARK),
+ PINMUX_GPIO(GPIO_FN_SDA3, SDA3_MARK),
+ PINMUX_GPIO(GPIO_FN_SCL3, SCL3_MARK),
+
+ /* PTT (mobule: SYSTEM, PWMX) */
+ PINMUX_GPIO(GPIO_FN_AUDSYNC, AUDSYNC_MARK),
+ PINMUX_GPIO(GPIO_FN_AUDCK, AUDCK_MARK),
+ PINMUX_GPIO(GPIO_FN_AUDATA3, AUDATA3_MARK),
+ PINMUX_GPIO(GPIO_FN_AUDATA2, AUDATA2_MARK),
+ PINMUX_GPIO(GPIO_FN_AUDATA1, AUDATA1_MARK),
+ PINMUX_GPIO(GPIO_FN_AUDATA0, AUDATA0_MARK),
+ PINMUX_GPIO(GPIO_FN_PWX7, PWX7_MARK),
+ PINMUX_GPIO(GPIO_FN_PWX6, PWX6_MARK),
+ PINMUX_GPIO(GPIO_FN_PWX5, PWX5_MARK),
+ PINMUX_GPIO(GPIO_FN_PWX4, PWX4_MARK),
+
+ /* PTU (mobule: LBSC, DMAC) */
+ PINMUX_GPIO(GPIO_FN_CS6, CS6_MARK),
+ PINMUX_GPIO(GPIO_FN_CS5, CS5_MARK),
+ PINMUX_GPIO(GPIO_FN_CS4, CS4_MARK),
+ PINMUX_GPIO(GPIO_FN_CS0, CS0_MARK),
+ PINMUX_GPIO(GPIO_FN_RD, RD_MARK),
+ PINMUX_GPIO(GPIO_FN_WE0, WE0_MARK),
+ PINMUX_GPIO(GPIO_FN_A25, A25_MARK),
+ PINMUX_GPIO(GPIO_FN_A24, A24_MARK),
+ PINMUX_GPIO(GPIO_FN_DREQ0, DREQ0_MARK),
+ PINMUX_GPIO(GPIO_FN_DACK0, DACK0_MARK),
+
+ /* PTV (mobule: LBSC, DMAC) */
+ PINMUX_GPIO(GPIO_FN_A23, A23_MARK),
+ PINMUX_GPIO(GPIO_FN_A22, A22_MARK),
+ PINMUX_GPIO(GPIO_FN_A21, A21_MARK),
+ PINMUX_GPIO(GPIO_FN_A20, A20_MARK),
+ PINMUX_GPIO(GPIO_FN_A19, A19_MARK),
+ PINMUX_GPIO(GPIO_FN_A18, A18_MARK),
+ PINMUX_GPIO(GPIO_FN_A17, A17_MARK),
+ PINMUX_GPIO(GPIO_FN_A16, A16_MARK),
+ PINMUX_GPIO(GPIO_FN_TEND0, TEND0_MARK),
+ PINMUX_GPIO(GPIO_FN_DREQ1, DREQ1_MARK),
+ PINMUX_GPIO(GPIO_FN_DACK1, DACK1_MARK),
+ PINMUX_GPIO(GPIO_FN_TEND1, TEND1_MARK),
+
+ /* PTW (mobule: LBSC) */
+ PINMUX_GPIO(GPIO_FN_A16, A16_MARK),
+ PINMUX_GPIO(GPIO_FN_A15, A15_MARK),
+ PINMUX_GPIO(GPIO_FN_A14, A14_MARK),
+ PINMUX_GPIO(GPIO_FN_A13, A13_MARK),
+ PINMUX_GPIO(GPIO_FN_A12, A12_MARK),
+ PINMUX_GPIO(GPIO_FN_A11, A11_MARK),
+ PINMUX_GPIO(GPIO_FN_A10, A10_MARK),
+ PINMUX_GPIO(GPIO_FN_A9, A9_MARK),
+ PINMUX_GPIO(GPIO_FN_A8, A8_MARK),
+
+ /* PTX (mobule: LBSC) */
+ PINMUX_GPIO(GPIO_FN_A7, A7_MARK),
+ PINMUX_GPIO(GPIO_FN_A6, A6_MARK),
+ PINMUX_GPIO(GPIO_FN_A5, A5_MARK),
+ PINMUX_GPIO(GPIO_FN_A4, A4_MARK),
+ PINMUX_GPIO(GPIO_FN_A3, A3_MARK),
+ PINMUX_GPIO(GPIO_FN_A2, A2_MARK),
+ PINMUX_GPIO(GPIO_FN_A1, A1_MARK),
+ PINMUX_GPIO(GPIO_FN_A0, A0_MARK),
+
+ /* PTY (mobule: LBSC) */
+ PINMUX_GPIO(GPIO_FN_D7, D7_MARK),
+ PINMUX_GPIO(GPIO_FN_D6, D6_MARK),
+ PINMUX_GPIO(GPIO_FN_D5, D5_MARK),
+ PINMUX_GPIO(GPIO_FN_D4, D4_MARK),
+ PINMUX_GPIO(GPIO_FN_D3, D3_MARK),
+ PINMUX_GPIO(GPIO_FN_D2, D2_MARK),
+ PINMUX_GPIO(GPIO_FN_D1, D1_MARK),
+ PINMUX_GPIO(GPIO_FN_D0, D0_MARK),
+ };
+
+static struct pinmux_cfg_reg pinmux_config_regs[] = {
+ { PINMUX_CFG_REG("PACR", 0xffec0000, 16, 2) {
+ PTA7_FN, PTA7_OUT, PTA7_IN, 0,
+ PTA6_FN, PTA6_OUT, PTA6_IN, 0,
+ PTA5_FN, PTA5_OUT, PTA5_IN, 0,
+ PTA4_FN, PTA4_OUT, PTA4_IN, 0,
+ PTA3_FN, PTA3_OUT, PTA3_IN, 0,
+ PTA2_FN, PTA2_OUT, PTA2_IN, 0,
+ PTA1_FN, PTA1_OUT, PTA1_IN, 0,
+ PTA0_FN, PTA0_OUT, PTA0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PBCR", 0xffec0002, 16, 2) {
+ PTB7_FN, PTB7_OUT, PTB7_IN, 0,
+ PTB6_FN, PTB6_OUT, PTB6_IN, 0,
+ PTB5_FN, PTB5_OUT, PTB5_IN, 0,
+ PTB4_FN, PTB4_OUT, PTB4_IN, 0,
+ PTB3_FN, PTB3_OUT, PTB3_IN, 0,
+ PTB2_FN, PTB2_OUT, PTB2_IN, 0,
+ PTB1_FN, PTB1_OUT, PTB1_IN, 0,
+ PTB0_FN, PTB0_OUT, PTB0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PCCR", 0xffec0004, 16, 2) {
+ PTC7_FN, PTC7_OUT, PTC7_IN, 0,
+ PTC6_FN, PTC6_OUT, PTC6_IN, 0,
+ PTC5_FN, PTC5_OUT, PTC5_IN, 0,
+ PTC4_FN, PTC4_OUT, PTC4_IN, 0,
+ PTC3_FN, PTC3_OUT, PTC3_IN, 0,
+ PTC2_FN, PTC2_OUT, PTC2_IN, 0,
+ PTC1_FN, PTC1_OUT, PTC1_IN, 0,
+ PTC0_FN, PTC0_OUT, PTC0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PDCR", 0xffec0006, 16, 2) {
+ PTD7_FN, PTD7_OUT, PTD7_IN, 0,
+ PTD6_FN, PTD6_OUT, PTD6_IN, 0,
+ PTD5_FN, PTD5_OUT, PTD5_IN, 0,
+ PTD4_FN, PTD4_OUT, PTD4_IN, 0,
+ PTD3_FN, PTD3_OUT, PTD3_IN, 0,
+ PTD2_FN, PTD2_OUT, PTD2_IN, 0,
+ PTD1_FN, PTD1_OUT, PTD1_IN, 0,
+ PTD0_FN, PTD0_OUT, PTD0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PECR", 0xffec0008, 16, 2) {
+ PTE7_FN, PTE7_OUT, PTE7_IN, 0,
+ PTE6_FN, PTE6_OUT, PTE6_IN, 0,
+ PTE5_FN, PTE5_OUT, PTE5_IN, 0,
+ PTE4_FN, PTE4_OUT, PTE4_IN, 0,
+ PTE3_FN, PTE3_OUT, PTE3_IN, 0,
+ PTE2_FN, PTE2_OUT, PTE2_IN, 0,
+ PTE1_FN, PTE1_OUT, PTE1_IN, 0,
+ PTE0_FN, PTE0_OUT, PTE0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PFCR", 0xffec000a, 16, 2) {
+ PTF7_FN, PTF7_OUT, PTF7_IN, 0,
+ PTF6_FN, PTF6_OUT, PTF6_IN, 0,
+ PTF5_FN, PTF5_OUT, PTF5_IN, 0,
+ PTF4_FN, PTF4_OUT, PTF4_IN, 0,
+ PTF3_FN, PTF3_OUT, PTF3_IN, 0,
+ PTF2_FN, PTF2_OUT, PTF2_IN, 0,
+ PTF1_FN, PTF1_OUT, PTF1_IN, 0,
+ PTF0_FN, PTF0_OUT, PTF0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PGCR", 0xffec000c, 16, 2) {
+ PTG7_FN, PTG7_OUT, PTG7_IN, 0,
+ PTG6_FN, PTG6_OUT, PTG6_IN, 0,
+ PTG5_FN, PTG5_OUT, PTG5_IN, 0,
+ PTG4_FN, PTG4_OUT, PTG4_IN, 0,
+ PTG3_FN, PTG3_OUT, PTG3_IN, 0,
+ PTG2_FN, PTG2_OUT, PTG2_IN, 0,
+ PTG1_FN, PTG1_OUT, PTG1_IN, 0,
+ PTG0_FN, PTG0_OUT, PTG0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PHCR", 0xffec000e, 16, 2) {
+ PTH7_FN, PTH7_OUT, PTH7_IN, 0,
+ PTH6_FN, PTH6_OUT, PTH6_IN, 0,
+ PTH5_FN, PTH5_OUT, PTH5_IN, 0,
+ PTH4_FN, PTH4_OUT, PTH4_IN, 0,
+ PTH3_FN, PTH3_OUT, PTH3_IN, 0,
+ PTH2_FN, PTH2_OUT, PTH2_IN, 0,
+ PTH1_FN, PTH1_OUT, PTH1_IN, 0,
+ PTH0_FN, PTH0_OUT, PTH0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PICR", 0xffec0010, 16, 2) {
+ PTI7_FN, PTI7_OUT, PTI7_IN, 0,
+ PTI6_FN, PTI6_OUT, PTI6_IN, 0,
+ PTI5_FN, PTI5_OUT, PTI5_IN, 0,
+ PTI4_FN, PTI4_OUT, PTI4_IN, 0,
+ PTI3_FN, PTI3_OUT, PTI3_IN, 0,
+ PTI2_FN, PTI2_OUT, PTI2_IN, 0,
+ PTI1_FN, PTI1_OUT, PTI1_IN, 0,
+ PTI0_FN, PTI0_OUT, PTI0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PJCR", 0xffec0012, 16, 2) {
+ PTJ7_FN, PTJ7_OUT, PTJ7_IN, 0,
+ PTJ6_FN, PTJ6_OUT, PTJ6_IN, 0,
+ PTJ5_FN, PTJ5_OUT, PTJ5_IN, 0,
+ PTJ4_FN, PTJ4_OUT, PTJ4_IN, 0,
+ PTJ3_FN, PTJ3_OUT, PTJ3_IN, 0,
+ PTJ2_FN, PTJ2_OUT, PTJ2_IN, 0,
+ PTJ1_FN, PTJ1_OUT, PTJ1_IN, 0,
+ PTJ0_FN, PTJ0_OUT, PTJ0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PKCR", 0xffec0014, 16, 2) {
+ PTK7_FN, PTK7_OUT, PTK7_IN, 0,
+ PTK6_FN, PTK6_OUT, PTK6_IN, 0,
+ PTK5_FN, PTK5_OUT, PTK5_IN, 0,
+ PTK4_FN, PTK4_OUT, PTK4_IN, 0,
+ PTK3_FN, PTK3_OUT, PTK3_IN, 0,
+ PTK2_FN, PTK2_OUT, PTK2_IN, 0,
+ PTK1_FN, PTK1_OUT, PTK1_IN, 0,
+ PTK0_FN, PTK0_OUT, PTK0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PLCR", 0xffec0016, 16, 2) {
+ PTL7_FN, PTL7_OUT, PTL7_IN, 0,
+ PTL6_FN, PTL6_OUT, PTL6_IN, 0,
+ PTL5_FN, PTL5_OUT, PTL5_IN, 0,
+ PTL4_FN, PTL4_OUT, PTL4_IN, 0,
+ PTL3_FN, PTL3_OUT, PTL3_IN, 0,
+ PTL2_FN, PTL2_OUT, PTL2_IN, 0,
+ PTL1_FN, PTL1_OUT, PTL1_IN, 0,
+ PTL0_FN, PTL0_OUT, PTL0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PMCR", 0xffec0018, 16, 2) {
+ 0, 0, 0, 0, /* reserved: always set 1 */
+ PTM6_FN, PTM6_OUT, PTM6_IN, 0,
+ PTM5_FN, PTM5_OUT, PTM5_IN, 0,
+ PTM4_FN, PTM4_OUT, PTM4_IN, 0,
+ PTM3_FN, PTM3_OUT, PTM3_IN, 0,
+ PTM2_FN, PTM2_OUT, PTM2_IN, 0,
+ PTM1_FN, PTM1_OUT, PTM1_IN, 0,
+ PTM0_FN, PTM0_OUT, PTM0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PNCR", 0xffec001a, 16, 2) {
+ PTN7_FN, PTN7_OUT, PTN7_IN, 0,
+ PTN6_FN, PTN6_OUT, PTN6_IN, 0,
+ PTN5_FN, PTN5_OUT, PTN5_IN, 0,
+ PTN4_FN, PTN4_OUT, PTN4_IN, 0,
+ PTN3_FN, PTN3_OUT, PTN3_IN, 0,
+ PTN2_FN, PTN2_OUT, PTN2_IN, 0,
+ PTN1_FN, PTN1_OUT, PTN1_IN, 0,
+ PTN0_FN, PTN0_OUT, PTN0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("POCR", 0xffec001c, 16, 2) {
+ PTO7_FN, PTO7_OUT, PTO7_IN, 0,
+ PTO6_FN, PTO6_OUT, PTO6_IN, 0,
+ PTO5_FN, PTO5_OUT, PTO5_IN, 0,
+ PTO4_FN, PTO4_OUT, PTO4_IN, 0,
+ PTO3_FN, PTO3_OUT, PTO3_IN, 0,
+ PTO2_FN, PTO2_OUT, PTO2_IN, 0,
+ PTO1_FN, PTO1_OUT, PTO1_IN, 0,
+ PTO0_FN, PTO0_OUT, PTO0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PPCR", 0xffec001e, 16, 2) {
+ 0, 0, 0, 0, /* reserved: always set 1 */
+ PTP6_FN, PTP6_OUT, PTP6_IN, 0,
+ PTP5_FN, PTP5_OUT, PTP5_IN, 0,
+ PTP4_FN, PTP4_OUT, PTP4_IN, 0,
+ PTP3_FN, PTP3_OUT, PTP3_IN, 0,
+ PTP2_FN, PTP2_OUT, PTP2_IN, 0,
+ PTP1_FN, PTP1_OUT, PTP1_IN, 0,
+ PTP0_FN, PTP0_OUT, PTP0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PQCR", 0xffec0020, 16, 2) {
+ 0, 0, 0, 0, /* reserved: always set 1 */
+ PTQ6_FN, PTQ6_OUT, PTQ6_IN, 0,
+ PTQ5_FN, PTQ5_OUT, PTQ5_IN, 0,
+ PTQ4_FN, PTQ4_OUT, PTQ4_IN, 0,
+ PTQ3_FN, PTQ3_OUT, PTQ3_IN, 0,
+ PTQ2_FN, PTQ2_OUT, PTQ2_IN, 0,
+ PTQ1_FN, PTQ1_OUT, PTQ1_IN, 0,
+ PTQ0_FN, PTQ0_OUT, PTQ0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PRCR", 0xffec0022, 16, 2) {
+ PTR7_FN, PTR7_OUT, PTR7_IN, 0,
+ PTR6_FN, PTR6_OUT, PTR6_IN, 0,
+ PTR5_FN, PTR5_OUT, PTR5_IN, 0,
+ PTR4_FN, PTR4_OUT, PTR4_IN, 0,
+ PTR3_FN, PTR3_OUT, PTR3_IN, 0,
+ PTR2_FN, PTR2_OUT, PTR2_IN, 0,
+ PTR1_FN, PTR1_OUT, PTR1_IN, 0,
+ PTR0_FN, PTR0_OUT, PTR0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PSCR", 0xffec0024, 16, 2) {
+ PTS7_FN, PTS7_OUT, PTS7_IN, 0,
+ PTS6_FN, PTS6_OUT, PTS6_IN, 0,
+ PTS5_FN, PTS5_OUT, PTS5_IN, 0,
+ PTS4_FN, PTS4_OUT, PTS4_IN, 0,
+ PTS3_FN, PTS3_OUT, PTS3_IN, 0,
+ PTS2_FN, PTS2_OUT, PTS2_IN, 0,
+ PTS1_FN, PTS1_OUT, PTS1_IN, 0,
+ PTS0_FN, PTS0_OUT, PTS0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PTCR", 0xffec0026, 16, 2) {
+ 0, 0, 0, 0, /* reserved: always set 1 */
+ 0, 0, 0, 0, /* reserved: always set 1 */
+ PTT5_FN, PTT5_OUT, PTT5_IN, 0,
+ PTT4_FN, PTT4_OUT, PTT4_IN, 0,
+ PTT3_FN, PTT3_OUT, PTT3_IN, 0,
+ PTT2_FN, PTT2_OUT, PTT2_IN, 0,
+ PTT1_FN, PTT1_OUT, PTT1_IN, 0,
+ PTT0_FN, PTT0_OUT, PTT0_IN, 0 }
+ },
+ { PINMUX_CFG_REG("PUCR", 0xffec0028, 16, 2) {
+ PTU7_FN, PTU7_OUT, PTU7_IN, PTU7_IN_PU,
+ PTU6_FN, PTU6_OUT, PTU6_IN, PTU6_IN_PU,
+ PTU5_FN, PTU5_OUT, PTU5_IN, PTU5_IN_PU,
+ PTU4_FN, PTU4_OUT, PTU4_IN, PTU4_IN_PU,
+ PTU3_FN, PTU3_OUT, PTU3_IN, PTU3_IN_PU,
+ PTU2_FN, PTU2_OUT, PTU2_IN, PTU2_IN_PU,
+ PTU1_FN, PTU1_OUT, PTU1_IN, PTU1_IN_PU,
+ PTU0_FN, PTU0_OUT, PTU0_IN, PTU0_IN_PU }
+ },
+ { PINMUX_CFG_REG("PVCR", 0xffec002a, 16, 2) {
+ PTV7_FN, PTV7_OUT, PTV7_IN, PTV7_IN_PU,
+ PTV6_FN, PTV6_OUT, PTV6_IN, PTV6_IN_PU,
+ PTV5_FN, PTV5_OUT, PTV5_IN, PTV5_IN_PU,
+ PTV4_FN, PTV4_OUT, PTV4_IN, PTV4_IN_PU,
+ PTV3_FN, PTV3_OUT, PTV3_IN, PTV3_IN_PU,
+ PTV2_FN, PTV2_OUT, PTV2_IN, PTV2_IN_PU,
+ PTV1_FN, PTV1_OUT, PTV1_IN, PTV1_IN_PU,
+ PTV0_FN, PTV0_OUT, PTV0_IN, PTV0_IN_PU }
+ },
+ { PINMUX_CFG_REG("PWCR", 0xffec002c, 16, 2) {
+ PTW7_FN, PTW7_OUT, PTW7_IN, PTW7_IN_PU,
+ PTW6_FN, PTW6_OUT, PTW6_IN, PTW6_IN_PU,
+ PTW5_FN, PTW5_OUT, PTW5_IN, PTW5_IN_PU,
+ PTW4_FN, PTW4_OUT, PTW4_IN, PTW4_IN_PU,
+ PTW3_FN, PTW3_OUT, PTW3_IN, PTW3_IN_PU,
+ PTW2_FN, PTW2_OUT, PTW2_IN, PTW2_IN_PU,
+ PTW1_FN, PTW1_OUT, PTW1_IN, PTW1_IN_PU,
+ PTW0_FN, PTW0_OUT, PTW0_IN, PTW0_IN_PU }
+ },
+ { PINMUX_CFG_REG("PXCR", 0xffec002e, 16, 2) {
+ PTX7_FN, PTX7_OUT, PTX7_IN, PTX7_IN_PU,
+ PTX6_FN, PTX6_OUT, PTX6_IN, PTX6_IN_PU,
+ PTX5_FN, PTX5_OUT, PTX5_IN, PTX5_IN_PU,
+ PTX4_FN, PTX4_OUT, PTX4_IN, PTX4_IN_PU,
+ PTX3_FN, PTX3_OUT, PTX3_IN, PTX3_IN_PU,
+ PTX2_FN, PTX2_OUT, PTX2_IN, PTX2_IN_PU,
+ PTX1_FN, PTX1_OUT, PTX1_IN, PTX1_IN_PU,
+ PTX0_FN, PTX0_OUT, PTX0_IN, PTX0_IN_PU }
+ },
+ { PINMUX_CFG_REG("PYCR", 0xffec0030, 16, 2) {
+ PTY7_FN, PTY7_OUT, PTY7_IN, PTY7_IN_PU,
+ PTY6_FN, PTY6_OUT, PTY6_IN, PTY6_IN_PU,
+ PTY5_FN, PTY5_OUT, PTY5_IN, PTY5_IN_PU,
+ PTY4_FN, PTY4_OUT, PTY4_IN, PTY4_IN_PU,
+ PTY3_FN, PTY3_OUT, PTY3_IN, PTY3_IN_PU,
+ PTY2_FN, PTY2_OUT, PTY2_IN, PTY2_IN_PU,
+ PTY1_FN, PTY1_OUT, PTY1_IN, PTY1_IN_PU,
+ PTY0_FN, PTY0_OUT, PTY0_IN, PTY0_IN_PU }
+ },
+ { PINMUX_CFG_REG("PZCR", 0xffec0032, 16, 2) {
+ 0, PTZ7_OUT, PTZ7_IN, 0,
+ 0, PTZ6_OUT, PTZ6_IN, 0,
+ 0, PTZ5_OUT, PTZ5_IN, 0,
+ 0, PTZ4_OUT, PTZ4_IN, 0,
+ 0, PTZ3_OUT, PTZ3_IN, 0,
+ 0, PTZ2_OUT, PTZ2_IN, 0,
+ 0, PTZ1_OUT, PTZ1_IN, 0,
+ 0, PTZ0_OUT, PTZ0_IN, 0 }
+ },
+
+ { PINMUX_CFG_REG("PSEL0", 0xffec0070, 16, 1) {
+ PS0_15_FN3, PS0_15_FN1,
+ PS0_14_FN3, PS0_14_FN1,
+ PS0_13_FN3, PS0_13_FN1,
+ PS0_12_FN3, PS0_12_FN1,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ PS0_7_FN2, PS0_7_FN1,
+ PS0_6_FN2, PS0_6_FN1,
+ PS0_5_FN2, PS0_5_FN1,
+ PS0_4_FN2, PS0_4_FN1,
+ PS0_3_FN2, PS0_3_FN1,
+ PS0_2_FN2, PS0_2_FN1,
+ PS0_1_FN2, PS0_1_FN1,
+ 0, 0, }
+ },
+ { PINMUX_CFG_REG("PSEL1", 0xffec0072, 16, 1) {
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ PS1_7_FN1, PS1_7_FN3,
+ PS1_6_FN1, PS1_6_FN3,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0, }
+ },
+ { PINMUX_CFG_REG("PSEL2", 0xffec0074, 16, 1) {
+ 0, 0,
+ 0, 0,
+ PS2_13_FN3, PS2_13_FN1,
+ PS2_12_FN3, PS2_12_FN1,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ PS2_1_FN1, PS2_1_FN2,
+ PS2_0_FN1, PS2_0_FN2, }
+ },
+ { PINMUX_CFG_REG("PSEL4", 0xffec0078, 16, 1) {
+ PS4_15_FN2, PS4_15_FN1,
+ PS4_14_FN2, PS4_14_FN1,
+ PS4_13_FN2, PS4_13_FN1,
+ PS4_12_FN2, PS4_12_FN1,
+ PS4_11_FN2, PS4_11_FN1,
+ PS4_10_FN2, PS4_10_FN1,
+ PS4_9_FN2, PS4_9_FN1,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ PS4_3_FN2, PS4_3_FN1,
+ PS4_2_FN2, PS4_2_FN1,
+ PS4_1_FN2, PS4_1_FN1,
+ PS4_0_FN2, PS4_0_FN1, }
+ },
+ { PINMUX_CFG_REG("PSEL5", 0xffec007a, 16, 1) {
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ PS5_9_FN1, PS5_9_FN2,
+ PS5_8_FN1, PS5_8_FN2,
+ PS5_7_FN1, PS5_7_FN2,
+ PS5_6_FN1, PS5_6_FN2,
+ PS5_5_FN1, PS5_5_FN2,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0, }
+ },
+ { PINMUX_CFG_REG("PSEL6", 0xffec007c, 16, 1) {
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ 0, 0,
+ PS6_7_FN_AN, PS6_7_FN_EV,
+ PS6_6_FN_AN, PS6_6_FN_EV,
+ PS6_5_FN_AN, PS6_5_FN_EV,
+ PS6_4_FN_AN, PS6_4_FN_EV,
+ PS6_3_FN_AN, PS6_3_FN_EV,
+ PS6_2_FN_AN, PS6_2_FN_EV,
+ PS6_1_FN_AN, PS6_1_FN_EV,
+ PS6_0_FN_AN, PS6_0_FN_EV, }
+ },
+ {}
+};
+
+static struct pinmux_data_reg pinmux_data_regs[] = {
+ { PINMUX_DATA_REG("PADR", 0xffec0034, 8) {
+ PTA7_DATA, PTA6_DATA, PTA5_DATA, PTA4_DATA,
+ PTA3_DATA, PTA2_DATA, PTA1_DATA, PTA0_DATA }
+ },
+ { PINMUX_DATA_REG("PBDR", 0xffec0036, 8) {
+ PTB7_DATA, PTB6_DATA, PTB5_DATA, PTB4_DATA,
+ PTB3_DATA, PTB2_DATA, PTB1_DATA, PTB0_DATA }
+ },
+ { PINMUX_DATA_REG("PCDR", 0xffec0038, 8) {
+ PTC7_DATA, PTC6_DATA, PTC5_DATA, PTC4_DATA,
+ PTC3_DATA, PTC2_DATA, PTC1_DATA, PTC0_DATA }
+ },
+ { PINMUX_DATA_REG("PDDR", 0xffec003a, 8) {
+ PTD7_DATA, PTD6_DATA, PTD5_DATA, PTD4_DATA,
+ PTD3_DATA, PTD2_DATA, PTD1_DATA, PTD0_DATA }
+ },
+ { PINMUX_DATA_REG("PEDR", 0xffec003c, 8) {
+ PTE7_DATA, PTE6_DATA, PTE5_DATA, PTE4_DATA,
+ PTE3_DATA, PTE2_DATA, PTE1_DATA, PTE0_DATA }
+ },
+ { PINMUX_DATA_REG("PFDR", 0xffec003e, 8) {
+ PTF7_DATA, PTF6_DATA, PTF5_DATA, PTF4_DATA,
+ PTF3_DATA, PTF2_DATA, PTF1_DATA, PTF0_DATA }
+ },
+ { PINMUX_DATA_REG("PGDR", 0xffec0040, 8) {
+ PTG7_DATA, PTG6_DATA, PTG5_DATA, PTG4_DATA,
+ PTG3_DATA, PTG2_DATA, PTG1_DATA, PTG0_DATA }
+ },
+ { PINMUX_DATA_REG("PHDR", 0xffec0042, 8) {
+ PTH7_DATA, PTH6_DATA, PTH5_DATA, PTH4_DATA,
+ PTH3_DATA, PTH2_DATA, PTH1_DATA, PTH0_DATA }
+ },
+ { PINMUX_DATA_REG("PIDR", 0xffec0044, 8) {
+ PTI7_DATA, PTI6_DATA, PTI5_DATA, PTI4_DATA,
+ PTI3_DATA, PTI2_DATA, PTI1_DATA, PTI0_DATA }
+ },
+ { PINMUX_DATA_REG("PJDR", 0xffec0046, 8) {
+ PTJ7_DATA, PTJ6_DATA, PTJ5_DATA, PTJ4_DATA,
+ PTJ3_DATA, PTJ2_DATA, PTJ1_DATA, PTJ0_DATA }
+ },
+ { PINMUX_DATA_REG("PKDR", 0xffec0048, 8) {
+ PTK7_DATA, PTK6_DATA, PTK5_DATA, PTK4_DATA,
+ PTK3_DATA, PTK2_DATA, PTK1_DATA, PTK0_DATA }
+ },
+ { PINMUX_DATA_REG("PLDR", 0xffec004a, 8) {
+ PTL7_DATA, PTL6_DATA, PTL5_DATA, PTL4_DATA,
+ PTL3_DATA, PTL2_DATA, PTL1_DATA, PTL0_DATA }
+ },
+ { PINMUX_DATA_REG("PMDR", 0xffec004c, 8) {
+ 0, PTM6_DATA, PTM5_DATA, PTM4_DATA,
+ PTM3_DATA, PTM2_DATA, PTM1_DATA, PTM0_DATA }
+ },
+ { PINMUX_DATA_REG("PNDR", 0xffec004e, 8) {
+ PTN7_DATA, PTN6_DATA, PTN5_DATA, PTN4_DATA,
+ PTN3_DATA, PTN2_DATA, PTN1_DATA, PTN0_DATA }
+ },
+ { PINMUX_DATA_REG("PODR", 0xffec0050, 8) {
+ PTO7_DATA, PTO6_DATA, PTO5_DATA, PTO4_DATA,
+ PTO3_DATA, PTO2_DATA, PTO1_DATA, PTO0_DATA }
+ },
+ { PINMUX_DATA_REG("PPDR", 0xffec0052, 8) {
+ 0, PTP6_DATA, PTP5_DATA, PTP4_DATA,
+ PTP3_DATA, PTP2_DATA, PTP1_DATA, PTP0_DATA }
+ },
+ { PINMUX_DATA_REG("PQDR", 0xffec0054, 8) {
+ 0, PTQ6_DATA, PTQ5_DATA, PTQ4_DATA,
+ PTQ3_DATA, PTQ2_DATA, PTQ1_DATA, PTQ0_DATA }
+ },
+ { PINMUX_DATA_REG("PRDR", 0xffec0056, 8) {
+ PTR7_DATA, PTR6_DATA, PTR5_DATA, PTR4_DATA,
+ PTR3_DATA, PTR2_DATA, PTR1_DATA, PTR0_DATA }
+ },
+ { PINMUX_DATA_REG("PSDR", 0xffec0058, 8) {
+ PTS7_DATA, PTS6_DATA, PTS5_DATA, PTS4_DATA,
+ PTS3_DATA, PTS2_DATA, PTS1_DATA, PTS0_DATA }
+ },
+ { PINMUX_DATA_REG("PTDR", 0xffec005a, 8) {
+ 0, 0, PTT5_DATA, PTT4_DATA,
+ PTT3_DATA, PTT2_DATA, PTT1_DATA, PTT0_DATA }
+ },
+ { PINMUX_DATA_REG("PUDR", 0xffec005c, 8) {
+ PTU7_DATA, PTU6_DATA, PTU5_DATA, PTU4_DATA,
+ PTU3_DATA, PTU2_DATA, PTU1_DATA, PTU0_DATA }
+ },
+ { PINMUX_DATA_REG("PVDR", 0xffec005e, 8) {
+ PTV7_DATA, PTV6_DATA, PTV5_DATA, PTV4_DATA,
+ PTV3_DATA, PTV2_DATA, PTV1_DATA, PTV0_DATA }
+ },
+ { PINMUX_DATA_REG("PWDR", 0xffec0060, 8) {
+ PTW7_DATA, PTW6_DATA, PTW5_DATA, PTW4_DATA,
+ PTW3_DATA, PTW2_DATA, PTW1_DATA, PTW0_DATA }
+ },
+ { PINMUX_DATA_REG("PXDR", 0xffec0062, 8) {
+ PTX7_DATA, PTX6_DATA, PTX5_DATA, PTX4_DATA,
+ PTX3_DATA, PTX2_DATA, PTX1_DATA, PTX0_DATA }
+ },
+ { PINMUX_DATA_REG("PYDR", 0xffec0064, 8) {
+ PTY7_DATA, PTY6_DATA, PTY5_DATA, PTY4_DATA,
+ PTY3_DATA, PTY2_DATA, PTY1_DATA, PTY0_DATA }
+ },
+ { PINMUX_DATA_REG("PZDR", 0xffec0066, 8) {
+ PTZ7_DATA, PTZ6_DATA, PTZ5_DATA, PTZ4_DATA,
+ PTZ3_DATA, PTZ2_DATA, PTZ1_DATA, PTZ0_DATA }
+ },
+ { },
+};
+
+static struct pinmux_info sh7757_pinmux_info = {
+ .name = "sh7757_pfc",
+ .reserved_id = PINMUX_RESERVED,
+ .data = { PINMUX_DATA_BEGIN, PINMUX_DATA_END },
+ .input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
+ .input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END },
+ .output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END },
+ .mark = { PINMUX_MARK_BEGIN, PINMUX_MARK_END },
+ .function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
+
+ .first_gpio = GPIO_PTA7,
+ .last_gpio = GPIO_FN_D0,
+
+ .gpios = pinmux_gpios,
+ .cfg_regs = pinmux_config_regs,
+ .data_regs = pinmux_data_regs,
+
+ .gpio_data = pinmux_data,
+ .gpio_data_size = ARRAY_SIZE(pinmux_data),
+};
+
+static int __init plat_pinmux_setup(void)
+{
+ return register_pinmux(&sh7757_pinmux_info);
+}
+
+arch_initcall(plat_pinmux_setup);
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
new file mode 100644
index 000000000000..c470e15f2e03
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
@@ -0,0 +1,513 @@
+/*
+ * SH7757 Setup
+ *
+ * Copyright (C) 2009 Renesas Solutions Corp.
+ *
+ * based on setup-sh7785.c : Copyright (C) 2007 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <linux/serial_sci.h>
+#include <linux/io.h>
+#include <linux/mm.h>
+#include <linux/sh_timer.h>
+
+static struct sh_timer_config tmu0_platform_data = {
+ .name = "TMU0",
+ .channel_offset = 0x04,
+ .timer_bit = 0,
+ .clk = "peripheral_clk",
+ .clockevent_rating = 200,
+};
+
+static struct resource tmu0_resources[] = {
+ [0] = {
+ .name = "TMU0",
+ .start = 0xfe430008,
+ .end = 0xfe430013,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 28,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device tmu0_device = {
+ .name = "sh_tmu",
+ .id = 0,
+ .dev = {
+ .platform_data = &tmu0_platform_data,
+ },
+ .resource = tmu0_resources,
+ .num_resources = ARRAY_SIZE(tmu0_resources),
+};
+
+static struct sh_timer_config tmu1_platform_data = {
+ .name = "TMU1",
+ .channel_offset = 0x10,
+ .timer_bit = 1,
+ .clk = "peripheral_clk",
+ .clocksource_rating = 200,
+};
+
+static struct resource tmu1_resources[] = {
+ [0] = {
+ .name = "TMU1",
+ .start = 0xfe430014,
+ .end = 0xfe43001f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 29,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device tmu1_device = {
+ .name = "sh_tmu",
+ .id = 1,
+ .dev = {
+ .platform_data = &tmu1_platform_data,
+ },
+ .resource = tmu1_resources,
+ .num_resources = ARRAY_SIZE(tmu1_resources),
+};
+
+static struct plat_sci_port sci_platform_data[] = {
+ {
+ .mapbase = 0xfe4b0000, /* SCIF2 */
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 40, 40, 40, 40 },
+ }, {
+ .mapbase = 0xfe4c0000, /* SCIF3 */
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 76, 76, 76, 76 },
+ }, {
+ .mapbase = 0xfe4d0000, /* SCIF4 */
+ .flags = UPF_BOOT_AUTOCONF,
+ .type = PORT_SCIF,
+ .irqs = { 104, 104, 104, 104 },
+ }, {
+ .flags = 0,
+ }
+};
+
+static struct platform_device sci_device = {
+ .name = "sh-sci",
+ .id = -1,
+ .dev = {
+ .platform_data = sci_platform_data,
+ },
+};
+
+static struct platform_device *sh7757_devices[] __initdata = {
+ &tmu0_device,
+ &tmu1_device,
+ &sci_device,
+};
+
+static int __init sh7757_devices_setup(void)
+{
+ return platform_add_devices(sh7757_devices,
+ ARRAY_SIZE(sh7757_devices));
+}
+arch_initcall(sh7757_devices_setup);
+
+enum {
+ UNUSED = 0,
+
+ /* interrupt sources */
+
+ IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
+ IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
+ IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
+ IRL0_HHLL, IRL0_HHLH, IRL0_HHHL,
+
+ IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
+ IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
+ IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
+ IRL4_HHLL, IRL4_HHLH, IRL4_HHHL,
+ IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
+
+ SDHI,
+ DVC,
+ IRQ8, IRQ9, IRQ10,
+ WDT0,
+ TMU0, TMU1, TMU2, TMU2_TICPI,
+ HUDI,
+
+ ARC4,
+ DMAC0,
+ IRQ11,
+ SCIF2,
+ DMAC1_6,
+ USB0,
+ IRQ12,
+ JMC,
+ SPI1,
+ IRQ13, IRQ14,
+ USB1,
+ TMR01, TMR23, TMR45,
+ WDT1,
+ FRT,
+ LPC,
+ SCIF0, SCIF1, SCIF3,
+ PECI0I, PECI1I, PECI2I,
+ IRQ15,
+ ETHERC,
+ SPI0,
+ ADC1,
+ DMAC1_8,
+ SIM,
+ TMU3, TMU4, TMU5,
+ ADC0,
+ SCIF4,
+ IIC0_0, IIC0_1, IIC0_2, IIC0_3,
+ IIC1_0, IIC1_1, IIC1_2, IIC1_3,
+ IIC2_0, IIC2_1, IIC2_2, IIC2_3,
+ IIC3_0, IIC3_1, IIC3_2, IIC3_3,
+ IIC4_0, IIC4_1, IIC4_2, IIC4_3,
+ IIC5_0, IIC5_1, IIC5_2, IIC5_3,
+ IIC6_0, IIC6_1, IIC6_2, IIC6_3,
+ IIC7_0, IIC7_1, IIC7_2, IIC7_3,
+ IIC8_0, IIC8_1, IIC8_2, IIC8_3,
+ IIC9_0, IIC9_1, IIC9_2, IIC9_3,
+ PCIINTA,
+ PCIE,
+ SGPIO,
+
+ /* interrupt groups */
+
+ TMU012, TMU345,
+};
+
+static struct intc_vect vectors[] __initdata = {
+ INTC_VECT(SDHI, 0x480), INTC_VECT(SDHI, 0x04a0),
+ INTC_VECT(SDHI, 0x4c0),
+ INTC_VECT(DVC, 0x4e0),
+ INTC_VECT(IRQ8, 0x500), INTC_VECT(IRQ9, 0x520),
+ INTC_VECT(IRQ10, 0x540),
+ INTC_VECT(WDT0, 0x560),
+ INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
+ INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
+ INTC_VECT(HUDI, 0x600),
+ INTC_VECT(ARC4, 0x620),
+ INTC_VECT(DMAC0, 0x640), INTC_VECT(DMAC0, 0x660),
+ INTC_VECT(DMAC0, 0x680), INTC_VECT(DMAC0, 0x6a0),
+ INTC_VECT(DMAC0, 0x6c0),
+ INTC_VECT(IRQ11, 0x6e0),
+ INTC_VECT(SCIF2, 0x700), INTC_VECT(SCIF2, 0x720),
+ INTC_VECT(SCIF2, 0x740), INTC_VECT(SCIF2, 0x760),
+ INTC_VECT(DMAC0, 0x780), INTC_VECT(DMAC0, 0x7a0),
+ INTC_VECT(DMAC1_6, 0x7c0), INTC_VECT(DMAC1_6, 0x7e0),
+ INTC_VECT(USB0, 0x840),
+ INTC_VECT(IRQ12, 0x880),
+ INTC_VECT(JMC, 0x8a0),
+ INTC_VECT(SPI1, 0x8c0),
+ INTC_VECT(IRQ13, 0x8e0), INTC_VECT(IRQ14, 0x900),
+ INTC_VECT(USB1, 0x920),
+ INTC_VECT(TMR01, 0xa00), INTC_VECT(TMR23, 0xa20),
+ INTC_VECT(TMR45, 0xa40),
+ INTC_VECT(WDT1, 0xa60),
+ INTC_VECT(FRT, 0xa80),
+ INTC_VECT(LPC, 0xaa0), INTC_VECT(LPC, 0xac0),
+ INTC_VECT(LPC, 0xae0), INTC_VECT(LPC, 0xb00),
+ INTC_VECT(LPC, 0xb20),
+ INTC_VECT(SCIF0, 0xb40), INTC_VECT(SCIF1, 0xb60),
+ INTC_VECT(SCIF3, 0xb80), INTC_VECT(SCIF3, 0xba0),
+ INTC_VECT(SCIF3, 0xbc0), INTC_VECT(SCIF3, 0xbe0),
+ INTC_VECT(PECI0I, 0xc00), INTC_VECT(PECI1I, 0xc20),
+ INTC_VECT(PECI2I, 0xc40),
+ INTC_VECT(IRQ15, 0xc60),
+ INTC_VECT(ETHERC, 0xc80), INTC_VECT(ETHERC, 0xca0),
+ INTC_VECT(SPI0, 0xcc0),
+ INTC_VECT(ADC1, 0xce0),
+ INTC_VECT(DMAC1_8, 0xd00), INTC_VECT(DMAC1_8, 0xd20),
+ INTC_VECT(DMAC1_8, 0xd40), INTC_VECT(DMAC1_8, 0xd60),
+ INTC_VECT(SIM, 0xd80), INTC_VECT(SIM, 0xda0),
+ INTC_VECT(SIM, 0xdc0), INTC_VECT(SIM, 0xde0),
+ INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
+ INTC_VECT(TMU5, 0xe40),
+ INTC_VECT(ADC0, 0xe60),
+ INTC_VECT(SCIF4, 0xf00), INTC_VECT(SCIF4, 0xf20),
+ INTC_VECT(SCIF4, 0xf40), INTC_VECT(SCIF4, 0xf60),
+ INTC_VECT(IIC0_0, 0x1400), INTC_VECT(IIC0_1, 0x1420),
+ INTC_VECT(IIC0_2, 0x1440), INTC_VECT(IIC0_3, 0x1460),
+ INTC_VECT(IIC1_0, 0x1480), INTC_VECT(IIC1_1, 0x14e0),
+ INTC_VECT(IIC1_2, 0x1500), INTC_VECT(IIC1_3, 0x1520),
+ INTC_VECT(IIC2_0, 0x1540), INTC_VECT(IIC2_1, 0x1560),
+ INTC_VECT(IIC2_2, 0x1580), INTC_VECT(IIC2_3, 0x1600),
+ INTC_VECT(IIC3_0, 0x1620), INTC_VECT(IIC3_1, 0x1640),
+ INTC_VECT(IIC3_2, 0x16e0), INTC_VECT(IIC3_3, 0x1700),
+ INTC_VECT(IIC4_0, 0x17c0), INTC_VECT(IIC4_1, 0x1800),
+ INTC_VECT(IIC4_2, 0x1820), INTC_VECT(IIC4_3, 0x1840),
+ INTC_VECT(IIC5_0, 0x1860), INTC_VECT(IIC5_1, 0x1880),
+ INTC_VECT(IIC5_2, 0x18a0), INTC_VECT(IIC5_3, 0x18c0),
+ INTC_VECT(IIC6_0, 0x18e0), INTC_VECT(IIC6_1, 0x1900),
+ INTC_VECT(IIC6_2, 0x1920), INTC_VECT(IIC6_3, 0x1980),
+ INTC_VECT(IIC7_0, 0x19a0), INTC_VECT(IIC7_1, 0x1a00),
+ INTC_VECT(IIC7_2, 0x1a20), INTC_VECT(IIC7_3, 0x1a40),
+ INTC_VECT(IIC8_0, 0x1a60), INTC_VECT(IIC8_1, 0x1a80),
+ INTC_VECT(IIC8_2, 0x1aa0), INTC_VECT(IIC8_3, 0x1b40),
+ INTC_VECT(IIC9_0, 0x1b60), INTC_VECT(IIC9_1, 0x1b80),
+ INTC_VECT(IIC9_2, 0x1c00), INTC_VECT(IIC9_3, 0x1c20),
+ INTC_VECT(PCIINTA, 0x1ce0),
+ INTC_VECT(PCIE, 0x1e00),
+ INTC_VECT(SGPIO, 0x1f80),
+ INTC_VECT(SGPIO, 0x1fa0),
+};
+
+static struct intc_group groups[] __initdata = {
+ INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
+ INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
+};
+
+static struct intc_mask_reg mask_registers[] __initdata = {
+ { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
+ { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
+
+ { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
+ { IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
+ IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
+ IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
+ IRL0_HHLL, IRL0_HHLH, IRL0_HHHL, 0,
+ IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
+ IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
+ IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
+ IRL4_HHLL, IRL4_HHLH, IRL4_HHHL, 0, } },
+
+ { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
+ { 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, DMAC1_8, 0, PECI0I, LPC, FRT, WDT1, TMR45,
+ TMR23, TMR01, 0, 0, 0, 0, 0, DMAC0,
+ HUDI, 0, WDT0, SCIF3, SCIF2, SDHI, TMU345, TMU012
+ } },
+
+ { 0xffd400d0, 0xffd400d4, 32, /* INT2MSKR1 / INT2MSKCR1 */
+ { IRQ15, IRQ14, IRQ13, IRQ12, IRQ11, IRQ10, SCIF4, ETHERC,
+ IRQ9, IRQ8, SCIF1, SCIF0, USB0, 0, 0, USB1,
+ ADC1, 0, DMAC1_6, ADC0, SPI0, SIM, PECI2I, PECI1I,
+ ARC4, 0, SPI1, JMC, 0, 0, 0, DVC
+ } },
+
+ { 0xffd10038, 0xffd1003c, 32, /* INT2MSKR2 / INT2MSKCR2 */
+ { IIC4_1, IIC4_2, IIC5_0, 0, 0, 0, SGPIO, 0,
+ 0, 0, 0, IIC9_2, IIC8_2, IIC8_1, IIC8_0, IIC7_3,
+ IIC7_2, IIC7_1, IIC6_3, IIC0_0, IIC0_1, IIC0_2, IIC0_3, IIC3_1,
+ IIC2_3, 0, IIC2_1, IIC9_1, IIC3_3, IIC1_0, PCIE, IIC2_2
+ } },
+
+ { 0xffd100d0, 0xff1400d4, 32, /* INT2MSKR3 / INT2MSKCR4 */
+ { 0, IIC6_1, IIC6_0, IIC5_1, IIC3_2, IIC2_0, 0, 0,
+ IIC1_3, IIC1_2, IIC9_0, IIC8_3, IIC4_3, IIC7_0, 0, IIC6_2,
+ PCIINTA, 0, IIC4_0, 0, 0, 0, 0, IIC9_3,
+ IIC3_0, 0, IIC5_3, IIC5_2, 0, 0, 0, IIC1_1
+ } },
+};
+
+#define INTPRI 0xffd00010
+#define INT2PRI0 0xffd40000
+#define INT2PRI1 0xffd40004
+#define INT2PRI2 0xffd40008
+#define INT2PRI3 0xffd4000c
+#define INT2PRI4 0xffd40010
+#define INT2PRI5 0xffd40014
+#define INT2PRI6 0xffd40018
+#define INT2PRI7 0xffd4001c
+#define INT2PRI8 0xffd400a0
+#define INT2PRI9 0xffd400a4
+#define INT2PRI10 0xffd400a8
+#define INT2PRI11 0xffd400ac
+#define INT2PRI12 0xffd400b0
+#define INT2PRI13 0xffd400b4
+#define INT2PRI14 0xffd400b8
+#define INT2PRI15 0xffd400bc
+#define INT2PRI16 0xffd10000
+#define INT2PRI17 0xffd10004
+#define INT2PRI18 0xffd10008
+#define INT2PRI19 0xffd1000c
+#define INT2PRI20 0xffd10010
+#define INT2PRI21 0xffd10014
+#define INT2PRI22 0xffd10018
+#define INT2PRI23 0xffd1001c
+#define INT2PRI24 0xffd100a0
+#define INT2PRI25 0xffd100a4
+#define INT2PRI26 0xffd100a8
+#define INT2PRI27 0xffd100ac
+#define INT2PRI28 0xffd100b0
+#define INT2PRI29 0xffd100b4
+#define INT2PRI30 0xffd100b8
+#define INT2PRI31 0xffd100bc
+
+static struct intc_prio_reg prio_registers[] __initdata = {
+ { INTPRI, 0, 32, 4, { IRQ0, IRQ1, IRQ2, IRQ3,
+ IRQ4, IRQ5, IRQ6, IRQ7 } },
+
+ { INT2PRI0, 0, 32, 8, { TMU0, TMU1, TMU2, TMU2_TICPI } },
+ { INT2PRI1, 0, 32, 8, { TMU3, TMU4, TMU5, SDHI } },
+ { INT2PRI2, 0, 32, 8, { SCIF2, SCIF3, WDT0, IRQ8 } },
+ { INT2PRI3, 0, 32, 8, { HUDI, DMAC0, ADC0, IRQ9 } },
+ { INT2PRI4, 0, 32, 8, { IRQ10, 0, TMR01, TMR23 } },
+ { INT2PRI5, 0, 32, 8, { TMR45, WDT1, FRT, LPC } },
+ { INT2PRI6, 0, 32, 8, { PECI0I, ETHERC, DMAC1_8, 0 } },
+ { INT2PRI7, 0, 32, 8, { SCIF4, 0, IRQ11, IRQ12 } },
+ { INT2PRI8, 0, 32, 8, { 0, 0, 0, DVC } },
+ { INT2PRI9, 0, 32, 8, { ARC4, 0, SPI1, JMC } },
+ { INT2PRI10, 0, 32, 8, { SPI0, SIM, PECI2I, PECI1I } },
+ { INT2PRI11, 0, 32, 8, { ADC1, IRQ13, DMAC1_6, IRQ14 } },
+ { INT2PRI12, 0, 32, 8, { USB0, 0, IRQ15, USB1 } },
+ { INT2PRI13, 0, 32, 8, { 0, 0, SCIF1, SCIF0 } },
+
+ { INT2PRI16, 0, 32, 8, { IIC2_2, 0, 0, 0 } },
+ { INT2PRI17, 0, 32, 8, { PCIE, 0, 0, IIC1_0 } },
+ { INT2PRI18, 0, 32, 8, { IIC3_3, IIC9_1, IIC2_1, IIC1_2 } },
+ { INT2PRI19, 0, 32, 8, { IIC2_3, IIC3_1, 0, IIC1_3 } },
+ { INT2PRI20, 0, 32, 8, { IIC2_0, IIC6_3, IIC7_1, IIC7_2 } },
+ { INT2PRI21, 0, 32, 8, { IIC7_3, IIC8_0, IIC8_1, IIC8_2 } },
+ { INT2PRI22, 0, 32, 8, { IIC9_2, 0, 0, 0 } },
+ { INT2PRI23, 0, 32, 8, { 0, SGPIO, IIC3_2, IIC5_1 } },
+ { INT2PRI24, 0, 32, 8, { 0, 0, 0, IIC1_1 } },
+ { INT2PRI25, 0, 32, 8, { IIC3_0, 0, IIC5_3, IIC5_2 } },
+ { INT2PRI26, 0, 32, 8, { 0, 0, 0, IIC9_3 } },
+ { INT2PRI27, 0, 32, 8, { PCIINTA, IIC6_0, IIC4_0, IIC6_1 } },
+ { INT2PRI28, 0, 32, 8, { IIC4_3, IIC7_0, 0, IIC6_2 } },
+ { INT2PRI29, 0, 32, 8, { 0, 0, IIC9_0, IIC8_3 } },
+ { INT2PRI30, 0, 32, 8, { IIC4_1, IIC4_2, IIC5_0, 0 } },
+ { INT2PRI31, 0, 32, 8, { IIC0_0, IIC0_1, IIC0_2, IIC0_3 } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "sh7757", vectors, groups,
+ mask_registers, prio_registers, NULL);
+
+/* Support for external interrupt pins in IRQ mode */
+static struct intc_vect vectors_irq0123[] __initdata = {
+ INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
+ INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
+};
+
+static struct intc_vect vectors_irq4567[] __initdata = {
+ INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
+ INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
+};
+
+static struct intc_sense_reg sense_registers[] __initdata = {
+ { 0xffd0001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3,
+ IRQ4, IRQ5, IRQ6, IRQ7 } },
+};
+
+static struct intc_mask_reg ack_registers[] __initdata = {
+ { 0xffd00024, 0, 32, /* INTREQ */
+ { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
+};
+
+static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7757-irq0123",
+ vectors_irq0123, NULL, mask_registers,
+ prio_registers, sense_registers, ack_registers);
+
+static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7757-irq4567",
+ vectors_irq4567, NULL, mask_registers,
+ prio_registers, sense_registers, ack_registers);
+
+/* External interrupt pins in IRL mode */
+static struct intc_vect vectors_irl0123[] __initdata = {
+ INTC_VECT(IRL0_LLLL, 0x200), INTC_VECT(IRL0_LLLH, 0x220),
+ INTC_VECT(IRL0_LLHL, 0x240), INTC_VECT(IRL0_LLHH, 0x260),
+ INTC_VECT(IRL0_LHLL, 0x280), INTC_VECT(IRL0_LHLH, 0x2a0),
+ INTC_VECT(IRL0_LHHL, 0x2c0), INTC_VECT(IRL0_LHHH, 0x2e0),
+ INTC_VECT(IRL0_HLLL, 0x300), INTC_VECT(IRL0_HLLH, 0x320),
+ INTC_VECT(IRL0_HLHL, 0x340), INTC_VECT(IRL0_HLHH, 0x360),
+ INTC_VECT(IRL0_HHLL, 0x380), INTC_VECT(IRL0_HHLH, 0x3a0),
+ INTC_VECT(IRL0_HHHL, 0x3c0),
+};
+
+static struct intc_vect vectors_irl4567[] __initdata = {
+ INTC_VECT(IRL4_LLLL, 0xb00), INTC_VECT(IRL4_LLLH, 0xb20),
+ INTC_VECT(IRL4_LLHL, 0xb40), INTC_VECT(IRL4_LLHH, 0xb60),
+ INTC_VECT(IRL4_LHLL, 0xb80), INTC_VECT(IRL4_LHLH, 0xba0),
+ INTC_VECT(IRL4_LHHL, 0xbc0), INTC_VECT(IRL4_LHHH, 0xbe0),
+ INTC_VECT(IRL4_HLLL, 0xc00), INTC_VECT(IRL4_HLLH, 0xc20),
+ INTC_VECT(IRL4_HLHL, 0xc40), INTC_VECT(IRL4_HLHH, 0xc60),
+ INTC_VECT(IRL4_HHLL, 0xc80), INTC_VECT(IRL4_HHLH, 0xca0),
+ INTC_VECT(IRL4_HHHL, 0xcc0),
+};
+
+static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7757-irl0123", vectors_irl0123,
+ NULL, mask_registers, NULL, NULL);
+
+static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7757-irl4567", vectors_irl4567,
+ NULL, mask_registers, NULL, NULL);
+
+#define INTC_ICR0 0xffd00000
+#define INTC_INTMSK0 0xffd00044
+#define INTC_INTMSK1 0xffd00048
+#define INTC_INTMSK2 0xffd40080
+#define INTC_INTMSKCLR1 0xffd00068
+#define INTC_INTMSKCLR2 0xffd40084
+
+void __init plat_irq_setup(void)
+{
+ /* disable IRQ3-0 + IRQ7-4 */
+ ctrl_outl(0xff000000, INTC_INTMSK0);
+
+ /* disable IRL3-0 + IRL7-4 */
+ ctrl_outl(0xc0000000, INTC_INTMSK1);
+ ctrl_outl(0xfffefffe, INTC_INTMSK2);
+
+ /* select IRL mode for IRL3-0 + IRL7-4 */
+ ctrl_outl(ctrl_inl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
+
+ /* disable holding function, ie enable "SH-4 Mode" */
+ ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00200000, INTC_ICR0);
+
+ register_intc_controller(&intc_desc);
+}
+
+void __init plat_irq_setup_pins(int mode)
+{
+ switch (mode) {
+ case IRQ_MODE_IRQ7654:
+ /* select IRQ mode for IRL7-4 */
+ ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00400000, INTC_ICR0);
+ register_intc_controller(&intc_desc_irq4567);
+ break;
+ case IRQ_MODE_IRQ3210:
+ /* select IRQ mode for IRL3-0 */
+ ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00800000, INTC_ICR0);
+ register_intc_controller(&intc_desc_irq0123);
+ break;
+ case IRQ_MODE_IRL7654:
+ /* enable IRL7-4 but don't provide any masking */
+ ctrl_outl(0x40000000, INTC_INTMSKCLR1);
+ ctrl_outl(0x0000fffe, INTC_INTMSKCLR2);
+ break;
+ case IRQ_MODE_IRL3210:
+ /* enable IRL0-3 but don't provide any masking */
+ ctrl_outl(0x80000000, INTC_INTMSKCLR1);
+ ctrl_outl(0xfffe0000, INTC_INTMSKCLR2);
+ break;
+ case IRQ_MODE_IRL7654_MASK:
+ /* enable IRL7-4 and mask using cpu intc controller */
+ ctrl_outl(0x40000000, INTC_INTMSKCLR1);
+ register_intc_controller(&intc_desc_irl4567);
+ break;
+ case IRQ_MODE_IRL3210_MASK:
+ /* enable IRL0-3 and mask using cpu intc controller */
+ ctrl_outl(0x80000000, INTC_INTMSKCLR1);
+ register_intc_controller(&intc_desc_irl0123);
+ break;
+ default:
+ BUG();
+ }
+}
+
+void __init plat_mem_setup(void)
+{
+}
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index ceb409bf7741..212e6bddaeb8 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -481,7 +481,7 @@ static const char *cpu_name[] = {
[CPU_SH7763] = "SH7763", [CPU_SH7770] = "SH7770",
[CPU_SH7780] = "SH7780", [CPU_SH7781] = "SH7781",
[CPU_SH7343] = "SH7343", [CPU_SH7785] = "SH7785",
- [CPU_SH7786] = "SH7786",
+ [CPU_SH7786] = "SH7786", [CPU_SH7757] = "SH7757",
[CPU_SH7722] = "SH7722", [CPU_SHX3] = "SH-X3",
[CPU_SH5_101] = "SH5-101", [CPU_SH5_103] = "SH5-103",
[CPU_MXG] = "MX-G", [CPU_SH7723] = "SH7723",
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 2795618e4f07..64dc1ad59801 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -82,7 +82,7 @@ config 32BIT
config PMB_ENABLE
bool "Support 32-bit physical addressing through PMB"
- depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785)
+ depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7757 || CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785)
select 32BIT
default y
help
@@ -97,7 +97,7 @@ choice
config PMB
bool "PMB"
- depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785)
+ depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7757 || CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785)
select 32BIT
help
If you say Y here, physical addressing will be extended to
@@ -106,7 +106,8 @@ config PMB
config PMB_FIXED
bool "fixed PMB"
- depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7780 || \
+ depends on MMU && EXPERIMENTAL && (CPU_SUBTYPE_SH7757 || \
+ CPU_SUBTYPE_SH7780 || \
CPU_SUBTYPE_SH7785)
select 32BIT
help
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 4cbb87ad070a..32dc2fc50e6b 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -272,7 +272,8 @@ static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
__raw_writew(data, PSCR);
}
}
-#elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \
+#elif defined(CONFIG_CPU_SUBTYPE_SH7757) || \
+ defined(CONFIG_CPU_SUBTYPE_SH7763) || \
defined(CONFIG_CPU_SUBTYPE_SH7780) || \
defined(CONFIG_CPU_SUBTYPE_SH7785) || \
defined(CONFIG_CPU_SUBTYPE_SH7786) || \
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 38072c15b845..3e2fcf93b42e 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -112,6 +112,13 @@
#elif defined(CONFIG_H8S2678)
# define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
+# define SCSPTR0 0xfe4b0020
+# define SCSPTR1 0xfe4b0020
+# define SCSPTR2 0xfe4b0020
+# define SCIF_ORER 0x0001
+# define SCSCR_INIT(port) 0x38
+# define SCIF_ONLY
#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
# define SCSPTR0 0xffe00024 /* 16 bit SCIF */
# define SCSPTR1 0xffe08024 /* 16 bit SCIF */
@@ -562,6 +569,16 @@ static inline int sci_rxd_in(struct uart_port *port)
return ctrl_inw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
return 1;
}
+#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
+static inline int sci_rxd_in(struct uart_port *port)
+{
+ if (port->mapbase == 0xfe4b0000)
+ return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0;
+ if (port->mapbase == 0xfe4c0000)
+ return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0;
+ if (port->mapbase == 0xfe4d0000)
+ return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0;
+}
#elif defined(CONFIG_CPU_SUBTYPE_SH7760)
static inline int sci_rxd_in(struct uart_port *port)
{
--
GitLab
From 64a6d72213dd810dd55bd0a503c36150af41c3c3 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 21 Aug 2009 18:21:07 +0900
Subject: [PATCH 238/742] sh: Kill off now redundant local irq disabling.
on_each_cpu() takes care of IRQ and preempt handling, the localized
handling in each of the called functions can be killed off.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh2a.c | 6 +---
arch/sh/mm/cache-sh4.c | 61 +++++++++++++++++----------------------
arch/sh/mm/cache-sh5.c | 29 ++++---------------
arch/sh/mm/cache-sh7705.c | 8 -----
4 files changed, 33 insertions(+), 71 deletions(-)
diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c
index 975899d83564..d783361e3f0a 100644
--- a/arch/sh/mm/cache-sh2a.c
+++ b/arch/sh/mm/cache-sh2a.c
@@ -102,12 +102,10 @@ static void sh2a_flush_icache_range(void *args)
struct flusher_data *data = args;
unsigned long start, end;
unsigned long v;
- unsigned long flags;
start = data->addr1 & ~(L1_CACHE_BYTES-1);
end = (data->addr2 + L1_CACHE_BYTES-1) & ~(L1_CACHE_BYTES-1);
- local_irq_save(flags);
jump_to_uncached();
for (v = start; v < end; v+=L1_CACHE_BYTES) {
@@ -122,12 +120,10 @@ static void sh2a_flush_icache_range(void *args)
}
}
/* I-Cache invalidate */
- ctrl_outl(addr,
- CACHE_IC_ADDRESS_ARRAY | addr | 0x00000008);
+ ctrl_outl(addr, CACHE_IC_ADDRESS_ARRAY | addr | 0x00000008);
}
back_to_cached();
- local_irq_restore(flags);
}
void __init sh2a_cache_init(void)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 9201b37c7cca..e3b77f0fa470 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -48,48 +48,44 @@ static void sh4_flush_icache_range(void *args)
struct flusher_data *data = args;
int icacheaddr;
unsigned long start, end;
- unsigned long flags, v;
+ unsigned long v;
int i;
start = data->addr1;
end = data->addr2;
- /* If there are too many pages then just blow the caches */
- if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) {
- local_flush_cache_all(args);
- } else {
- /* selectively flush d-cache then invalidate the i-cache */
- /* this is inefficient, so only use for small ranges */
- start &= ~(L1_CACHE_BYTES-1);
- end += L1_CACHE_BYTES-1;
- end &= ~(L1_CACHE_BYTES-1);
-
- local_irq_save(flags);
- jump_to_uncached();
-
- for (v = start; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbwb %0"
- : /* no output */
- : "m" (__m(v)));
-
- icacheaddr = CACHE_IC_ADDRESS_ARRAY | (
- v & cpu_data->icache.entry_mask);
-
- for (i = 0; i < cpu_data->icache.ways;
- i++, icacheaddr += cpu_data->icache.way_incr)
- /* Clear i-cache line valid-bit */
- ctrl_outl(0, icacheaddr);
- }
+ /* If there are too many pages then just blow the caches */
+ if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) {
+ local_flush_cache_all(args);
+ } else {
+ /* selectively flush d-cache then invalidate the i-cache */
+ /* this is inefficient, so only use for small ranges */
+ start &= ~(L1_CACHE_BYTES-1);
+ end += L1_CACHE_BYTES-1;
+ end &= ~(L1_CACHE_BYTES-1);
+
+ jump_to_uncached();
+
+ for (v = start; v < end; v+=L1_CACHE_BYTES) {
+ __ocbwb(v);
+
+ icacheaddr = CACHE_IC_ADDRESS_ARRAY |
+ (v & cpu_data->icache.entry_mask);
+
+ for (i = 0; i < cpu_data->icache.ways;
+ i++, icacheaddr += cpu_data->icache.way_incr)
+ /* Clear i-cache line valid-bit */
+ ctrl_outl(0, icacheaddr);
+ }
back_to_cached();
- local_irq_restore(flags);
}
}
static inline void flush_cache_4096(unsigned long start,
unsigned long phys)
{
- unsigned long flags, exec_offset = 0;
+ unsigned long exec_offset = 0;
/*
* All types of SH-4 require PC to be in P2 to operate on the I-cache.
@@ -99,10 +95,8 @@ static inline void flush_cache_4096(unsigned long start,
(start < CACHE_OC_ADDRESS_ARRAY))
exec_offset = 0x20000000;
- local_irq_save(flags);
__flush_cache_4096(start | SH_CACHE_ASSOC,
P1SEGADDR(phys), exec_offset);
- local_irq_restore(flags);
}
/*
@@ -135,9 +129,8 @@ static void sh4_flush_dcache_page(void *page)
/* TODO: Selective icache invalidation through IC address array.. */
static void __uses_jump_to_uncached flush_icache_all(void)
{
- unsigned long flags, ccr;
+ unsigned long ccr;
- local_irq_save(flags);
jump_to_uncached();
/* Flush I-cache */
@@ -149,9 +142,7 @@ static void __uses_jump_to_uncached flush_icache_all(void)
* back_to_cached() will take care of the barrier for us, don't add
* another one!
*/
-
back_to_cached();
- local_irq_restore(flags);
}
static inline void flush_dcache_all(void)
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index 467ff8e260f7..2f9dd6df00a6 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -34,28 +34,22 @@ static inline void
sh64_setup_dtlb_cache_slot(unsigned long eaddr, unsigned long asid,
unsigned long paddr)
{
- local_irq_disable();
sh64_setup_tlb_slot(dtlb_cache_slot, eaddr, asid, paddr);
}
static inline void sh64_teardown_dtlb_cache_slot(void)
{
sh64_teardown_tlb_slot(dtlb_cache_slot);
- local_irq_enable();
}
static inline void sh64_icache_inv_all(void)
{
unsigned long long addr, flag, data;
- unsigned long flags;
addr = ICCR0;
flag = ICCR0_ICI;
data = 0;
- /* Make this a critical section for safety (probably not strictly necessary.) */
- local_irq_save(flags);
-
/* Without %1 it gets unexplicably wrong */
__asm__ __volatile__ (
"getcfg %3, 0, %0\n\t"
@@ -64,8 +58,6 @@ static inline void sh64_icache_inv_all(void)
"synci"
: "=&r" (data)
: "0" (data), "r" (flag), "r" (addr));
-
- local_irq_restore(flags);
}
static void sh64_icache_inv_kernel_range(unsigned long start, unsigned long end)
@@ -90,7 +82,6 @@ static void sh64_icache_inv_user_page(struct vm_area_struct *vma, unsigned long
Also, eaddr is page-aligned. */
unsigned int cpu = smp_processor_id();
unsigned long long addr, end_addr;
- unsigned long flags = 0;
unsigned long running_asid, vma_asid;
addr = eaddr;
end_addr = addr + PAGE_SIZE;
@@ -111,10 +102,9 @@ static void sh64_icache_inv_user_page(struct vm_area_struct *vma, unsigned long
running_asid = get_asid();
vma_asid = cpu_asid(cpu, vma->vm_mm);
- if (running_asid != vma_asid) {
- local_irq_save(flags);
+ if (running_asid != vma_asid)
switch_and_save_asid(vma_asid);
- }
+
while (addr < end_addr) {
/* Worth unrolling a little */
__asm__ __volatile__("icbi %0, 0" : : "r" (addr));
@@ -123,10 +113,9 @@ static void sh64_icache_inv_user_page(struct vm_area_struct *vma, unsigned long
__asm__ __volatile__("icbi %0, 96" : : "r" (addr));
addr += 128;
}
- if (running_asid != vma_asid) {
+
+ if (running_asid != vma_asid)
switch_and_save_asid(running_asid);
- local_irq_restore(flags);
- }
}
static void sh64_icache_inv_user_page_range(struct mm_struct *mm,
@@ -159,16 +148,12 @@ static void sh64_icache_inv_user_page_range(struct mm_struct *mm,
unsigned long eaddr;
unsigned long after_last_page_start;
unsigned long mm_asid, current_asid;
- unsigned long flags = 0;
mm_asid = cpu_asid(smp_processor_id(), mm);
current_asid = get_asid();
- if (mm_asid != current_asid) {
- /* Switch ASID and run the invalidate loop under cli */
- local_irq_save(flags);
+ if (mm_asid != current_asid)
switch_and_save_asid(mm_asid);
- }
aligned_start = start & PAGE_MASK;
after_last_page_start = PAGE_SIZE + ((end - 1) & PAGE_MASK);
@@ -194,10 +179,8 @@ static void sh64_icache_inv_user_page_range(struct mm_struct *mm,
aligned_start = vma->vm_end; /* Skip to start of next region */
}
- if (mm_asid != current_asid) {
+ if (mm_asid != current_asid)
switch_and_save_asid(current_asid);
- local_irq_restore(flags);
- }
}
}
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index 6293f57fa888..9dc38660e3de 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -81,7 +81,6 @@ static void sh7705_flush_icache_range(void *args)
static void __flush_dcache_page(unsigned long phys)
{
unsigned long ways, waysize, addrstart;
- unsigned long flags;
phys |= SH_CACHE_VALID;
@@ -98,7 +97,6 @@ static void __flush_dcache_page(unsigned long phys)
* potential cache aliasing, therefore the optimisation is probably not
* possible.
*/
- local_irq_save(flags);
jump_to_uncached();
ways = current_cpu_data.dcache.ways;
@@ -126,7 +124,6 @@ static void __flush_dcache_page(unsigned long phys)
} while (--ways);
back_to_cached();
- local_irq_restore(flags);
}
/*
@@ -145,14 +142,9 @@ static void sh7705_flush_dcache_page(void *page)
static void sh7705_flush_cache_all(void *args)
{
- unsigned long flags;
-
- local_irq_save(flags);
jump_to_uncached();
-
cache_wback_all();
back_to_cached();
- local_irq_restore(flags);
}
/*
--
GitLab
From fb3f3e7fc6d4afb32f9eba32124beaf40313de3c Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sun, 16 Aug 2009 15:44:08 +0100
Subject: [PATCH 239/742] sh: unwinder: Fix memory leak and create our own kmem
cache
Plug a memory leak in dwarf_unwinder_dump() where we didn't free the
memory that we had previously allocated for the DWARF frames and DWARF
registers.
Now is also a opportune time to implement our own mempool and kmem
cache. It's a good idea to have a certain number of frame and register
objects in reserve at all times, so that we are guaranteed to have our
allocation satisfied even when memory is scarce. Since we have pools to
allocate from we can implement the registers for each frame as a linked
list as opposed to a sparsely populated array. Whilst it's true that the
lookup time for a linked list is larger than for arrays, there's only
usually a maximum of 8 registers per frame. So the overhead isn't that
much of a concern.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
---
arch/sh/include/asm/dwarf.h | 22 ++--
arch/sh/kernel/dwarf.c | 201 ++++++++++++++++++++++++------------
2 files changed, 142 insertions(+), 81 deletions(-)
diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h
index 2fbe8720411e..a22fbe98303f 100644
--- a/arch/sh/include/asm/dwarf.h
+++ b/arch/sh/include/asm/dwarf.h
@@ -265,10 +265,7 @@ struct dwarf_frame {
unsigned long pc;
- struct dwarf_reg *regs;
- unsigned int num_regs; /* how many regs are allocated? */
-
- unsigned int depth; /* what level are we in the callstack? */
+ struct list_head reg_list;
unsigned long cfa;
@@ -292,22 +289,15 @@ struct dwarf_frame {
* @flags: Describes how to calculate the value of this register
*/
struct dwarf_reg {
+ struct list_head link;
+
+ unsigned int number;
+
unsigned long addr;
unsigned long flags;
#define DWARF_REG_OFFSET (1 << 0)
};
-/**
- * dwarf_stack - a DWARF stack contains a collection of DWARF frames
- * @depth: the number of frames in the stack
- * @level: an array of DWARF frames, indexed by stack level
- *
- */
-struct dwarf_stack {
- unsigned int depth;
- struct dwarf_frame **level;
-};
-
/*
* Call Frame instruction opcodes.
*/
@@ -372,7 +362,7 @@ static inline unsigned int DW_CFA_operand(unsigned long insn)
extern struct dwarf_frame *dwarf_unwind_stack(unsigned long,
struct dwarf_frame *);
-#endif /* __ASSEMBLY__ */
+#endif /* !__ASSEMBLY__ */
#define CFI_STARTPROC .cfi_startproc
#define CFI_ENDPROC .cfi_endproc
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index d0652153f576..e4810375207d 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/list.h>
+#include <linux/mempool.h>
#include <linux/mm.h>
#include <asm/dwarf.h>
#include <asm/unwinder.h>
@@ -25,6 +26,17 @@
#include <asm/dwarf.h>
#include <asm/stacktrace.h>
+/* Reserve enough memory for two stack frames */
+#define DWARF_FRAME_MIN_REQ 2
+/* ... with 4 registers per frame. */
+#define DWARF_REG_MIN_REQ (DWARF_FRAME_MIN_REQ * 4)
+
+static struct kmem_cache *dwarf_frame_cachep;
+static mempool_t *dwarf_frame_pool;
+
+static struct kmem_cache *dwarf_reg_cachep;
+static mempool_t *dwarf_reg_pool;
+
static LIST_HEAD(dwarf_cie_list);
static DEFINE_SPINLOCK(dwarf_cie_lock);
@@ -33,33 +45,25 @@ static DEFINE_SPINLOCK(dwarf_fde_lock);
static struct dwarf_cie *cached_cie;
-/*
- * Figure out whether we need to allocate some dwarf registers. If dwarf
- * registers have already been allocated then we may need to realloc
- * them. "reg" is a register number that we need to be able to access
- * after this call.
+/**
+ * dwarf_frame_alloc_reg - allocate memory for a DWARF register
+ * @frame: the DWARF frame whose list of registers we insert on
+ * @reg_num: the register number
+ *
+ * Allocate space for, and initialise, a dwarf reg from
+ * dwarf_reg_pool and insert it onto the (unsorted) linked-list of
+ * dwarf registers for @frame.
*
- * Register numbers start at zero, therefore we need to allocate space
- * for "reg" + 1 registers.
+ * Return the initialised DWARF reg.
*/
-static void dwarf_frame_alloc_regs(struct dwarf_frame *frame,
- unsigned int reg)
+static struct dwarf_reg *dwarf_frame_alloc_reg(struct dwarf_frame *frame,
+ unsigned int reg_num)
{
- struct dwarf_reg *regs;
- unsigned int num_regs = reg + 1;
- size_t new_size;
- size_t old_size;
+ struct dwarf_reg *reg;
- new_size = num_regs * sizeof(*regs);
- old_size = frame->num_regs * sizeof(*regs);
-
- /* Fast path: don't allocate any regs if we've already got enough. */
- if (frame->num_regs >= num_regs)
- return;
-
- regs = kzalloc(new_size, GFP_ATOMIC);
- if (!regs) {
- printk(KERN_WARNING "Unable to allocate DWARF registers\n");
+ reg = mempool_alloc(dwarf_reg_pool, GFP_ATOMIC);
+ if (!reg) {
+ printk(KERN_WARNING "Unable to allocate a DWARF register\n");
/*
* Let's just bomb hard here, we have no way to
* gracefully recover.
@@ -67,13 +71,44 @@ static void dwarf_frame_alloc_regs(struct dwarf_frame *frame,
BUG();
}
- if (frame->regs) {
- memcpy(regs, frame->regs, old_size);
- kfree(frame->regs);
+ reg->number = reg_num;
+ reg->addr = 0;
+ reg->flags = 0;
+
+ list_add(®->link, &frame->reg_list);
+
+ return reg;
+}
+
+static void dwarf_frame_free_regs(struct dwarf_frame *frame)
+{
+ struct dwarf_reg *reg, *n;
+
+ list_for_each_entry_safe(reg, n, &frame->reg_list, link) {
+ list_del(®->link);
+ mempool_free(reg, dwarf_reg_pool);
+ }
+}
+
+/**
+ * dwarf_frame_reg - return a DWARF register
+ * @frame: the DWARF frame to search in for @reg_num
+ * @reg_num: the register number to search for
+ *
+ * Lookup and return the dwarf reg @reg_num for this frame. Return
+ * NULL if @reg_num is an register invalid number.
+ */
+static struct dwarf_reg *dwarf_frame_reg(struct dwarf_frame *frame,
+ unsigned int reg_num)
+{
+ struct dwarf_reg *reg;
+
+ list_for_each_entry(reg, &frame->reg_list, link) {
+ if (reg->number == reg_num)
+ return reg;
}
- frame->regs = regs;
- frame->num_regs = num_regs;
+ return NULL;
}
/**
@@ -347,6 +382,7 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
unsigned char insn;
unsigned char *current_insn;
unsigned int count, delta, reg, expr_len, offset;
+ struct dwarf_reg *regp;
current_insn = insn_start;
@@ -369,9 +405,9 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
count = dwarf_read_uleb128(current_insn, &offset);
current_insn += count;
offset *= cie->data_alignment_factor;
- dwarf_frame_alloc_regs(frame, reg);
- frame->regs[reg].addr = offset;
- frame->regs[reg].flags |= DWARF_REG_OFFSET;
+ regp = dwarf_frame_alloc_reg(frame, reg);
+ regp->addr = offset;
+ regp->flags |= DWARF_REG_OFFSET;
continue;
/* NOTREACHED */
case DW_CFA_restore:
@@ -453,17 +489,18 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
count = dwarf_read_leb128(current_insn, &offset);
current_insn += count;
offset *= cie->data_alignment_factor;
- dwarf_frame_alloc_regs(frame, reg);
- frame->regs[reg].flags |= DWARF_REG_OFFSET;
- frame->regs[reg].addr = offset;
+ regp = dwarf_frame_alloc_reg(frame, reg);
+ regp->flags |= DWARF_REG_OFFSET;
+ regp->addr = offset;
break;
case DW_CFA_val_offset:
count = dwarf_read_uleb128(current_insn, ®);
current_insn += count;
count = dwarf_read_leb128(current_insn, &offset);
offset *= cie->data_alignment_factor;
- frame->regs[reg].flags |= DWARF_REG_OFFSET;
- frame->regs[reg].addr = offset;
+ regp = dwarf_frame_alloc_reg(frame, reg);
+ regp->flags |= DWARF_REG_OFFSET;
+ regp->addr = offset;
break;
case DW_CFA_GNU_args_size:
count = dwarf_read_uleb128(current_insn, &offset);
@@ -474,9 +511,10 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
current_insn += count;
count = dwarf_read_uleb128(current_insn, &offset);
offset *= cie->data_alignment_factor;
- dwarf_frame_alloc_regs(frame, reg);
- frame->regs[reg].flags |= DWARF_REG_OFFSET;
- frame->regs[reg].addr = -offset;
+
+ regp = dwarf_frame_alloc_reg(frame, reg);
+ regp->flags |= DWARF_REG_OFFSET;
+ regp->addr = -offset;
break;
default:
pr_debug("unhandled DWARF instruction 0x%x\n", insn);
@@ -502,8 +540,8 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
struct dwarf_frame *frame;
struct dwarf_cie *cie;
struct dwarf_fde *fde;
+ struct dwarf_reg *reg;
unsigned long addr;
- int i, offset;
/*
* If this is the first invocation of this recursive function we
@@ -516,11 +554,16 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
if (!pc && !prev)
pc = (unsigned long)current_text_addr();
- frame = kzalloc(sizeof(*frame), GFP_ATOMIC);
- if (!frame)
- return NULL;
+ frame = mempool_alloc(dwarf_frame_pool, GFP_ATOMIC);
+ if (!frame) {
+ printk(KERN_ERR "Unable to allocate a dwarf frame\n");
+ BUG();
+ }
+ INIT_LIST_HEAD(&frame->reg_list);
+ frame->flags = 0;
frame->prev = prev;
+ frame->return_addr = 0;
fde = dwarf_lookup_fde(pc);
if (!fde) {
@@ -540,7 +583,7 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
* case above, which sucks because we could print a
* warning here.
*/
- return NULL;
+ goto bail;
}
cie = dwarf_lookup_cie(fde->cie_pointer);
@@ -560,10 +603,10 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
switch (frame->flags) {
case DWARF_FRAME_CFA_REG_OFFSET:
if (prev) {
- BUG_ON(!prev->regs[frame->cfa_register].flags);
+ reg = dwarf_frame_reg(prev, frame->cfa_register);
+ BUG_ON(!reg);
- addr = prev->cfa;
- addr += prev->regs[frame->cfa_register].addr;
+ addr = prev->cfa + reg->addr;
frame->cfa = __raw_readl(addr);
} else {
@@ -584,23 +627,18 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
}
/* If we haven't seen the return address reg, we're screwed. */
- BUG_ON(!frame->regs[DWARF_ARCH_RA_REG].flags);
-
- for (i = 0; i <= frame->num_regs; i++) {
- struct dwarf_reg *reg = &frame->regs[i];
-
- if (!reg->flags)
- continue;
+ reg = dwarf_frame_reg(frame, DWARF_ARCH_RA_REG);
+ BUG_ON(!reg);
- offset = reg->addr;
- offset += frame->cfa;
- }
-
- addr = frame->cfa + frame->regs[DWARF_ARCH_RA_REG].addr;
+ addr = frame->cfa + reg->addr;
frame->return_addr = __raw_readl(addr);
- frame->next = dwarf_unwind_stack(frame->return_addr, frame);
return frame;
+
+bail:
+ dwarf_frame_free_regs(frame);
+ mempool_free(frame, dwarf_frame_pool);
+ return NULL;
}
static int dwarf_parse_cie(void *entry, void *p, unsigned long len,
@@ -770,14 +808,29 @@ static void dwarf_unwinder_dump(struct task_struct *task, struct pt_regs *regs,
unsigned long *sp,
const struct stacktrace_ops *ops, void *data)
{
- struct dwarf_frame *frame;
+ struct dwarf_frame *frame, *_frame;
+ unsigned long return_addr;
+
+ _frame = NULL;
+ return_addr = 0;
- frame = dwarf_unwind_stack(0, NULL);
+ while (1) {
+ frame = dwarf_unwind_stack(return_addr, _frame);
+
+ if (_frame) {
+ dwarf_frame_free_regs(_frame);
+ mempool_free(_frame, dwarf_frame_pool);
+ }
+
+ _frame = frame;
+
+ if (!frame || !frame->return_addr)
+ break;
- while (frame && frame->return_addr) {
- ops->address(data, frame->return_addr, 1);
- frame = frame->next;
+ return_addr = frame->return_addr;
+ ops->address(data, return_addr, 1);
}
+
}
static struct unwinder dwarf_unwinder = {
@@ -801,6 +854,9 @@ static void dwarf_unwinder_cleanup(void)
list_for_each_entry(fde, &dwarf_fde_list, link)
kfree(fde);
+
+ kmem_cache_destroy(dwarf_reg_cachep);
+ kmem_cache_destroy(dwarf_frame_cachep);
}
/**
@@ -827,6 +883,21 @@ static int __init dwarf_unwinder_init(void)
f_entries = 0;
entry = &__start_eh_frame;
+ dwarf_frame_cachep = kmem_cache_create("dwarf_frames",
+ sizeof(struct dwarf_frame), 0, SLAB_PANIC, NULL);
+ dwarf_reg_cachep = kmem_cache_create("dwarf_regs",
+ sizeof(struct dwarf_reg), 0, SLAB_PANIC, NULL);
+
+ dwarf_frame_pool = mempool_create(DWARF_FRAME_MIN_REQ,
+ mempool_alloc_slab,
+ mempool_free_slab,
+ dwarf_frame_cachep);
+
+ dwarf_reg_pool = mempool_create(DWARF_REG_MIN_REQ,
+ mempool_alloc_slab,
+ mempool_free_slab,
+ dwarf_reg_cachep);
+
while ((char *)entry < __stop_eh_frame) {
p = entry;
--
GitLab
From 97efbbd5886e27b61c19c77d41f6491f5d96fbd0 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sun, 16 Aug 2009 15:56:35 +0100
Subject: [PATCH 240/742] sh: unwinder: Set the flags for DW_CFA_val_offset ops
as DWARF_VAL_OFFSET
The handling of DW_CFA_val_offset ops was incorrectly using the
DWARF_REG_OFFSET flag but the register's value cannot be calculated
using the DWARF_REG_OFFSET method. Create a new flag to indicate that a
different method must be used to calculate the register's value even
though there is no implementation for DWARF_VAL_OFFSET yet; it's mainly
just a place holder.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
---
arch/sh/include/asm/dwarf.h | 1 +
arch/sh/kernel/dwarf.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h
index a22fbe98303f..8b0bcc087385 100644
--- a/arch/sh/include/asm/dwarf.h
+++ b/arch/sh/include/asm/dwarf.h
@@ -296,6 +296,7 @@ struct dwarf_reg {
unsigned long addr;
unsigned long flags;
#define DWARF_REG_OFFSET (1 << 0)
+#define DWARF_VAL_OFFSET (1 << 1)
};
/*
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index e4810375207d..d271d04adccd 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -11,6 +11,7 @@
*
* TODO:
* - DWARF64 doesn't work.
+ * - Registers with DWARF_VAL_OFFSET rules aren't handled properly.
*/
/* #define DEBUG */
@@ -499,7 +500,7 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
count = dwarf_read_leb128(current_insn, &offset);
offset *= cie->data_alignment_factor;
regp = dwarf_frame_alloc_reg(frame, reg);
- regp->flags |= DWARF_REG_OFFSET;
+ regp->flags |= DWARF_VAL_OFFSET;
regp->addr = offset;
break;
case DW_CFA_GNU_args_size:
--
GitLab
From b344e24a8e8ceda83d1285d22e3e5baf4f5e42d3 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Sun, 16 Aug 2009 21:54:48 +0100
Subject: [PATCH 241/742] sh: unwinder: Introduce UNWINDER_BUG() and
UNWINDER_BUG_ON()
We can't assume that if we execute the unwinder code and the unwinder
was already running that it has faulted. Clearly two kernel threads can
invoke the unwinder at the same time and may be running simultaneously.
The previous approach used BUG() and BUG_ON() in the unwinder code to
detect whether the unwinder was incapable of unwinding the stack, and
that the next available unwinder should be used instead. A better
approach is to explicitly invoke a trap handler to switch unwinders when
the current unwinder cannot continue.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
---
arch/sh/include/asm/bug.h | 25 ++++++++++++++++++++++
arch/sh/include/asm/system.h | 5 +++++
arch/sh/include/asm/unwinder.h | 6 ++++++
arch/sh/kernel/debugtraps.S | 6 +++++-
arch/sh/kernel/dwarf.c | 38 +++++++++++++++++++---------------
arch/sh/kernel/traps.c | 7 +++++--
arch/sh/kernel/traps_32.c | 1 +
arch/sh/kernel/unwinder.c | 33 +++++++++++++++++++++++------
8 files changed, 95 insertions(+), 26 deletions(-)
diff --git a/arch/sh/include/asm/bug.h b/arch/sh/include/asm/bug.h
index c01718040166..b7d9822fd6c2 100644
--- a/arch/sh/include/asm/bug.h
+++ b/arch/sh/include/asm/bug.h
@@ -1,6 +1,7 @@
#ifndef __ASM_SH_BUG_H
#define __ASM_SH_BUG_H
+#define TRAPA_UNWINDER_BUG_OPCODE 0xc33b /* trapa #0x3b */
#define TRAPA_BUG_OPCODE 0xc33e /* trapa #0x3e */
#ifdef CONFIG_GENERIC_BUG
@@ -72,6 +73,30 @@ do { \
unlikely(__ret_warn_on); \
})
+#define UNWINDER_BUG() \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\t.short %O0\n" \
+ _EMIT_BUG_ENTRY \
+ : \
+ : "n" (TRAPA_UNWINDER_BUG_OPCODE), \
+ "i" (__FILE__), \
+ "i" (__LINE__), "i" (0), \
+ "i" (sizeof(struct bug_entry))); \
+} while (0)
+
+#define UNWINDER_BUG_ON(x) ({ \
+ int __ret_unwinder_on = !!(x); \
+ if (__builtin_constant_p(__ret_unwinder_on)) { \
+ if (__ret_unwinder_on) \
+ UNWINDER_BUG(); \
+ } else { \
+ if (unlikely(__ret_unwinder_on)) \
+ UNWINDER_BUG(); \
+ } \
+ unlikely(__ret_unwinder_on); \
+})
+
#endif /* CONFIG_GENERIC_BUG */
#include <asm-generic/bug.h>
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
index ab79e1f4fbe0..f9e2ceb94d9b 100644
--- a/arch/sh/include/asm/system.h
+++ b/arch/sh/include/asm/system.h
@@ -181,6 +181,11 @@ BUILD_TRAP_HANDLER(breakpoint);
BUILD_TRAP_HANDLER(singlestep);
BUILD_TRAP_HANDLER(fpu_error);
BUILD_TRAP_HANDLER(fpu_state_restore);
+BUILD_TRAP_HANDLER(unwinder);
+
+#ifdef CONFIG_BUG
+extern void handle_BUG(struct pt_regs *);
+#endif
#define arch_align_stack(x) (x)
diff --git a/arch/sh/include/asm/unwinder.h b/arch/sh/include/asm/unwinder.h
index 3dc551453e28..1e65c07b3e18 100644
--- a/arch/sh/include/asm/unwinder.h
+++ b/arch/sh/include/asm/unwinder.h
@@ -22,4 +22,10 @@ extern void stack_reader_dump(struct task_struct *, struct pt_regs *,
unsigned long *, const struct stacktrace_ops *,
void *);
+/*
+ * Used by fault handling code to signal to the unwinder code that it
+ * should switch to a different unwinder.
+ */
+extern int unwinder_faulted;
+
#endif /* _LINUX_UNWINDER_H */
diff --git a/arch/sh/kernel/debugtraps.S b/arch/sh/kernel/debugtraps.S
index 591741383ee6..cb00e4a82d4d 100644
--- a/arch/sh/kernel/debugtraps.S
+++ b/arch/sh/kernel/debugtraps.S
@@ -19,6 +19,10 @@
#if !defined(CONFIG_SH_STANDARD_BIOS)
#define sh_bios_handler debug_trap_handler
+#endif
+
+#if !defined(CONFIG_DWARF_UNWINDER)
+#define unwinder_trap_handler debug_trap_handler
#endif
.data
@@ -35,7 +39,7 @@ ENTRY(debug_trap_table)
.long debug_trap_handler /* 0x38 */
.long debug_trap_handler /* 0x39 */
.long debug_trap_handler /* 0x3a */
- .long debug_trap_handler /* 0x3b */
+ .long unwinder_trap_handler /* 0x3b */
.long breakpoint_trap_handler /* 0x3c */
.long singlestep_trap_handler /* 0x3d */
.long bug_trap_handler /* 0x3e */
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index d271d04adccd..606ece37eb42 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -69,7 +69,7 @@ static struct dwarf_reg *dwarf_frame_alloc_reg(struct dwarf_frame *frame,
* Let's just bomb hard here, we have no way to
* gracefully recover.
*/
- BUG();
+ UNWINDER_BUG();
}
reg->number = reg_num;
@@ -232,7 +232,7 @@ static int dwarf_read_encoded_value(char *addr, unsigned long *val,
break;
default:
pr_debug("encoding=0x%x\n", (encoding & 0x70));
- BUG();
+ UNWINDER_BUG();
}
if ((encoding & 0x07) == 0x00)
@@ -247,7 +247,7 @@ static int dwarf_read_encoded_value(char *addr, unsigned long *val,
break;
default:
pr_debug("encoding=0x%x\n", encoding);
- BUG();
+ UNWINDER_BUG();
}
return count;
@@ -519,6 +519,7 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
break;
default:
pr_debug("unhandled DWARF instruction 0x%x\n", insn);
+ UNWINDER_BUG();
break;
}
}
@@ -535,8 +536,8 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
* on the callstack. Each of the lower (older) stack frames are
* linked via the "prev" member.
*/
-struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
- struct dwarf_frame *prev)
+struct dwarf_frame * dwarf_unwind_stack(unsigned long pc,
+ struct dwarf_frame *prev)
{
struct dwarf_frame *frame;
struct dwarf_cie *cie;
@@ -558,7 +559,7 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
frame = mempool_alloc(dwarf_frame_pool, GFP_ATOMIC);
if (!frame) {
printk(KERN_ERR "Unable to allocate a dwarf frame\n");
- BUG();
+ UNWINDER_BUG();
}
INIT_LIST_HEAD(&frame->reg_list);
@@ -605,7 +606,8 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
case DWARF_FRAME_CFA_REG_OFFSET:
if (prev) {
reg = dwarf_frame_reg(prev, frame->cfa_register);
- BUG_ON(!reg);
+ UNWINDER_BUG_ON(!reg);
+ UNWINDER_BUG_ON(reg->flags != DWARF_REG_OFFSET);
addr = prev->cfa + reg->addr;
frame->cfa = __raw_readl(addr);
@@ -624,12 +626,13 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc,
frame->cfa += frame->cfa_offset;
break;
default:
- BUG();
+ UNWINDER_BUG();
}
/* If we haven't seen the return address reg, we're screwed. */
reg = dwarf_frame_reg(frame, DWARF_ARCH_RA_REG);
- BUG_ON(!reg);
+ UNWINDER_BUG_ON(!reg);
+ UNWINDER_BUG_ON(reg->flags != DWARF_REG_OFFSET);
addr = frame->cfa + reg->addr;
frame->return_addr = __raw_readl(addr);
@@ -664,7 +667,7 @@ static int dwarf_parse_cie(void *entry, void *p, unsigned long len,
cie->cie_pointer = (unsigned long)entry;
cie->version = *(char *)p++;
- BUG_ON(cie->version != 1);
+ UNWINDER_BUG_ON(cie->version != 1);
cie->augmentation = p;
p += strlen(cie->augmentation) + 1;
@@ -694,7 +697,7 @@ static int dwarf_parse_cie(void *entry, void *p, unsigned long len,
count = dwarf_read_uleb128(p, &length);
p += count;
- BUG_ON((unsigned char *)p > end);
+ UNWINDER_BUG_ON((unsigned char *)p > end);
cie->initial_instructions = p + length;
cie->augmentation++;
@@ -722,16 +725,16 @@ static int dwarf_parse_cie(void *entry, void *p, unsigned long len,
* routine in the CIE
* augmentation.
*/
- BUG();
+ UNWINDER_BUG();
} else if (*cie->augmentation == 'S') {
- BUG();
+ UNWINDER_BUG();
} else {
/*
* Unknown augmentation. Assume
* 'z' augmentation.
*/
p = cie->initial_instructions;
- BUG_ON(!p);
+ UNWINDER_BUG_ON(!p);
break;
}
}
@@ -805,9 +808,11 @@ static int dwarf_parse_fde(void *entry, u32 entry_type,
return 0;
}
-static void dwarf_unwinder_dump(struct task_struct *task, struct pt_regs *regs,
+static void dwarf_unwinder_dump(struct task_struct *task,
+ struct pt_regs *regs,
unsigned long *sp,
- const struct stacktrace_ops *ops, void *data)
+ const struct stacktrace_ops *ops,
+ void *data)
{
struct dwarf_frame *frame, *_frame;
unsigned long return_addr;
@@ -831,7 +836,6 @@ static void dwarf_unwinder_dump(struct task_struct *task, struct pt_regs *regs,
return_addr = frame->return_addr;
ops->address(data, return_addr, 1);
}
-
}
static struct unwinder dwarf_unwinder = {
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index b3e0067db358..881b9a32b7de 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -8,7 +8,7 @@
#include <asm/system.h>
#ifdef CONFIG_BUG
-static void handle_BUG(struct pt_regs *regs)
+void handle_BUG(struct pt_regs *regs)
{
enum bug_trap_type tt;
tt = report_bug(regs->pc, regs);
@@ -29,7 +29,10 @@ int is_valid_bugaddr(unsigned long addr)
if (probe_kernel_address((insn_size_t *)addr, opcode))
return 0;
- return opcode == TRAPA_BUG_OPCODE;
+ if (opcode == TRAPA_BUG_OPCODE || opcode == TRAPA_UNWINDER_BUG_OPCODE)
+ return 1;
+
+ return 0;
}
#endif
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 563426487c6b..05a04b6df844 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -136,6 +136,7 @@ static void die_if_no_fixup(const char * str, struct pt_regs * regs, long err)
regs->pc = fixup->fixup;
return;
}
+
die(str, regs, err);
}
}
diff --git a/arch/sh/kernel/unwinder.c b/arch/sh/kernel/unwinder.c
index 2b30fa28b440..b9c122abe251 100644
--- a/arch/sh/kernel/unwinder.c
+++ b/arch/sh/kernel/unwinder.c
@@ -53,8 +53,6 @@ static struct list_head unwinder_list = {
static DEFINE_SPINLOCK(unwinder_lock);
-static atomic_t unwinder_running = ATOMIC_INIT(0);
-
/**
* select_unwinder - Select the best registered stack unwinder.
*
@@ -122,6 +120,8 @@ int unwinder_register(struct unwinder *u)
return ret;
}
+int unwinder_faulted = 0;
+
/*
* Unwind the call stack and pass information to the stacktrace_ops
* functions. Also handle the case where we need to switch to a new
@@ -144,19 +144,40 @@ void unwind_stack(struct task_struct *task, struct pt_regs *regs,
* Hopefully this will give us a semi-reliable stacktrace so we
* can diagnose why curr_unwinder->dump() faulted.
*/
- if (atomic_inc_return(&unwinder_running) != 1) {
+ if (unwinder_faulted) {
spin_lock_irqsave(&unwinder_lock, flags);
- if (!list_is_singular(&unwinder_list)) {
+ /* Make sure no one beat us to changing the unwinder */
+ if (unwinder_faulted && !list_is_singular(&unwinder_list)) {
list_del(&curr_unwinder->list);
curr_unwinder = select_unwinder();
+
+ unwinder_faulted = 0;
}
spin_unlock_irqrestore(&unwinder_lock, flags);
- atomic_dec(&unwinder_running);
}
curr_unwinder->dump(task, regs, sp, ops, data);
+}
+
+/*
+ * Trap handler for UWINDER_BUG() statements. We must switch to the
+ * unwinder with the next highest rating.
+ */
+BUILD_TRAP_HANDLER(unwinder)
+{
+ insn_size_t insn;
+ TRAP_HANDLER_DECL;
+
+ /* Rewind */
+ regs->pc -= instruction_size(ctrl_inw(regs->pc - 4));
+ insn = *(insn_size_t *)instruction_pointer(regs);
+
+ /* Switch unwinders when unwind_stack() is called */
+ unwinder_faulted = 1;
- atomic_dec(&unwinder_running);
+#ifdef CONFIG_BUG
+ handle_BUG(regs);
+#endif
}
--
GitLab
From fe98dd31eb9fe055703e0171134b4d074558d4e9 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Thu, 20 Aug 2009 17:00:21 +0100
Subject: [PATCH 242/742] sh: Setup the frame pointer in handle_interrupt
When CONFIG_DWARF_UNWINDER is enabled setup r14 in handle_interrupt, so
that we can figure out what function was running when we were
interrupted.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
---
arch/sh/kernel/cpu/sh3/entry.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index 67ad6467c694..f89ec87e3fc3 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -508,6 +508,8 @@ ENTRY(handle_interrupt)
bsr save_regs ! needs original pr value in k3
mov #-1, k2 ! default vector kept in k2
+ setup_frame_reg
+
! Setup return address and jump to do_IRQ
mov.l 4f, r9 ! fetch return address
lds r9, pr ! put return address in pr
--
GitLab
From 5480675dc60c7dda7146e506981b2b40a775cc1e Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Thu, 20 Aug 2009 19:42:34 +0100
Subject: [PATCH 243/742] sh: Fix bug calculating the end of the FDE
instructions
The 'end' member of struct dwarf_fde denotes one byte past the end of
the CFA instruction stream for an FDE. The value of 'end' was being
calcualted incorrectly, it was being set too high. This resulted in
dwarf_cfa_execute_insns() interpreting data past the end of valid
instructions, thus causing all sorts of weird crashes.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
---
arch/sh/kernel/dwarf.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 606ece37eb42..e6f427cff5ba 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -751,7 +751,8 @@ static int dwarf_parse_cie(void *entry, void *p, unsigned long len,
}
static int dwarf_parse_fde(void *entry, u32 entry_type,
- void *start, unsigned long len)
+ void *start, unsigned long len,
+ unsigned char *end)
{
struct dwarf_fde *fde;
struct dwarf_cie *cie;
@@ -798,7 +799,7 @@ static int dwarf_parse_fde(void *entry, u32 entry_type,
/* Call frame instructions. */
fde->instructions = p;
- fde->end = start + len;
+ fde->end = end;
/* Add to list. */
spin_lock_irqsave(&dwarf_fde_lock, flags);
@@ -932,7 +933,7 @@ static int __init dwarf_unwinder_init(void)
else
c_entries++;
} else {
- err = dwarf_parse_fde(entry, entry_type, p, len);
+ err = dwarf_parse_fde(entry, entry_type, p, len, end);
if (err < 0)
goto out;
else
--
GitLab
From 5580e9044df9c0e87861739d8c527006ead92e52 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Thu, 20 Aug 2009 19:53:49 +0100
Subject: [PATCH 244/742] sh: Handle the DWARF op, DW_CFA_undefined
Allow a DWARF register to have an undefined value. When applied to the
DWARF return address register this lets lets us label a function as
having no direct caller, e.g. kernel_thread_helper().
Signed-off-by: Matt Fleming <matt@console-pimps.org>
---
arch/sh/include/asm/dwarf.h | 3 +++
arch/sh/kernel/dwarf.c | 13 +++++++++++--
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h
index 8b0bcc087385..c367ed3373c5 100644
--- a/arch/sh/include/asm/dwarf.h
+++ b/arch/sh/include/asm/dwarf.h
@@ -297,6 +297,7 @@ struct dwarf_reg {
unsigned long flags;
#define DWARF_REG_OFFSET (1 << 0)
#define DWARF_VAL_OFFSET (1 << 1)
+#define DWARF_UNDEFINED (1 << 2)
};
/*
@@ -370,6 +371,7 @@ extern struct dwarf_frame *dwarf_unwind_stack(unsigned long,
#define CFI_DEF_CFA .cfi_def_cfa
#define CFI_REGISTER .cfi_register
#define CFI_REL_OFFSET .cfi_rel_offset
+#define CFI_UNDEFINED .cfi_undefined
#else
@@ -383,6 +385,7 @@ extern struct dwarf_frame *dwarf_unwind_stack(unsigned long,
#define CFI_DEF_CFA CFI_IGNORE
#define CFI_REGISTER CFI_IGNORE
#define CFI_REL_OFFSET CFI_IGNORE
+#define CFI_UNDEFINED CFI_IGNORE
#ifndef __ASSEMBLY__
static inline void dwarf_unwinder_init(void)
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index e6f427cff5ba..577302f31e6a 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -452,6 +452,8 @@ static int dwarf_cfa_execute_insns(unsigned char *insn_start,
case DW_CFA_undefined:
count = dwarf_read_uleb128(current_insn, ®);
current_insn += count;
+ regp = dwarf_frame_alloc_reg(frame, reg);
+ regp->flags |= DWARF_UNDEFINED;
break;
case DW_CFA_def_cfa:
count = dwarf_read_uleb128(current_insn,
@@ -629,9 +631,16 @@ struct dwarf_frame * dwarf_unwind_stack(unsigned long pc,
UNWINDER_BUG();
}
- /* If we haven't seen the return address reg, we're screwed. */
reg = dwarf_frame_reg(frame, DWARF_ARCH_RA_REG);
- UNWINDER_BUG_ON(!reg);
+
+ /*
+ * If we haven't seen the return address register or the return
+ * address column is undefined then we must assume that this is
+ * the end of the callstack.
+ */
+ if (!reg || reg->flags == DWARF_UNDEFINED)
+ goto bail;
+
UNWINDER_BUG_ON(reg->flags != DWARF_REG_OFFSET);
addr = frame->cfa + reg->addr;
--
GitLab
From 4ab8f241f6d510470c15b62ac10f6905ff5c97bd Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 22 Aug 2009 03:43:15 +0900
Subject: [PATCH 245/742] sh: Export unwind_stack() to satisfy modular
oprofile.
If the oprofile code is built as a module, unwind_stack() as used by the
oprofile backtrace code is not available, causing build breakage.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/unwinder.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/sh/kernel/unwinder.c b/arch/sh/kernel/unwinder.c
index 2b30fa28b440..5f56ff3f55e0 100644
--- a/arch/sh/kernel/unwinder.c
+++ b/arch/sh/kernel/unwinder.c
@@ -11,6 +11,7 @@
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/spinlock.h>
+#include <linux/module.h>
#include <asm/unwinder.h>
#include <asm/atomic.h>
@@ -160,3 +161,4 @@ void unwind_stack(struct task_struct *task, struct pt_regs *regs,
atomic_dec(&unwinder_running);
}
+EXPORT_SYMBOL_GPL(unwind_stack);
--
GitLab
From 8cab02dc3c58a12235c6d463ce684dded9696848 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 18:19:45 +0200
Subject: [PATCH 246/742] x86: Do not unregister PIT clocksource on PIT oneshot
setup/shutdown
This basically reverts commit 1a0c009ac (x86: unregister PIT
clocksource when PIT is disabled) because the problem which was tried
to address with that patch has been solved by commit 3f68535ada
(clocksource: sanity check sysfs clocksource changes).
The problem addressed by the original patch is that PIT could be
selected as clocksource after the system switched the PIT off or set
the PIT into one shot mode which would result in complete timekeeping
wreckage.
Now with the sysfs sanity check in place PIT cannot be selected again
when the system is in oneshot mode. The system will not switch to one
shot mode as long as PIT is installed because PIT is not suitable for
one shot.
The shutdown case which happens when the lapic timer is installed is
covered by the fact that init_pit_clocksource() is called after the
lapic timer take over and then does not install the PIT clocksource
at all.
We should have done the sanity checks back then, but ...
This also solves the locking problem which was reported vs. the
clocksource rework.
LKML-Reference: <new-submission>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/i8253.c | 19 -------------------
1 file changed, 19 deletions(-)
diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c
index 5cf36c053ac4..23c167925a5c 100644
--- a/arch/x86/kernel/i8253.c
+++ b/arch/x86/kernel/i8253.c
@@ -19,12 +19,6 @@
DEFINE_SPINLOCK(i8253_lock);
EXPORT_SYMBOL(i8253_lock);
-#ifdef CONFIG_X86_32
-static void pit_disable_clocksource(void);
-#else
-static inline void pit_disable_clocksource(void) { }
-#endif
-
/*
* HPET replaces the PIT, when enabled. So we need to know, which of
* the two timers is used
@@ -57,12 +51,10 @@ static void init_pit_timer(enum clock_event_mode mode,
outb_pit(0, PIT_CH0);
outb_pit(0, PIT_CH0);
}
- pit_disable_clocksource();
break;
case CLOCK_EVT_MODE_ONESHOT:
/* One shot setup */
- pit_disable_clocksource();
outb_pit(0x38, PIT_MODE);
break;
@@ -200,17 +192,6 @@ static struct clocksource pit_cs = {
.shift = 20,
};
-static void pit_disable_clocksource(void)
-{
- /*
- * Use mult to check whether it is registered or not
- */
- if (pit_cs.mult) {
- clocksource_unregister(&pit_cs);
- pit_cs.mult = 0;
- }
-}
-
static int __init init_pit_clocksource(void)
{
/*
--
GitLab
From da15cfdae03351c689736f8d142618592e3cebc3 Mon Sep 17 00:00:00 2001
From: john stultz <johnstul@us.ibm.com>
Date: Wed, 19 Aug 2009 19:13:34 -0700
Subject: [PATCH 247/742] time: Introduce CLOCK_REALTIME_COARSE
After talking with some application writers who want very fast, but not
fine-grained timestamps, I decided to try to implement new clock_ids
to clock_gettime(): CLOCK_REALTIME_COARSE and CLOCK_MONOTONIC_COARSE
which returns the time at the last tick. This is very fast as we don't
have to access any hardware (which can be very painful if you're using
something like the acpi_pm clocksource), and we can even use the vdso
clock_gettime() method to avoid the syscall. The only trade off is you
only get low-res tick grained time resolution.
This isn't a new idea, I know Ingo has a patch in the -rt tree that made
the vsyscall gettimeofday() return coarse grained time when the
vsyscall64 sysctrl was set to 2. However this affects all applications
on a system.
With this method, applications can choose the proper speed/granularity
trade-off for themselves.
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: nikolag@ca.ibm.com
Cc: Darren Hart <dvhltc@us.ibm.com>
Cc: arjan@infradead.org
Cc: jonathan@jonmasters.org
LKML-Reference: <1250734414.6897.5.camel@localhost.localdomain>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/vgtod.h | 1 +
arch/x86/kernel/vsyscall_64.c | 1 +
arch/x86/vdso/vclock_gettime.c | 39 +++++++++++++++++++++++++++++++---
include/linux/time.h | 4 ++++
kernel/posix-timers.c | 35 ++++++++++++++++++++++++++++++
kernel/time/timekeeping.c | 21 ++++++++++++++++++
6 files changed, 98 insertions(+), 3 deletions(-)
diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h
index dc27a69e5d2a..3d61e204826f 100644
--- a/arch/x86/include/asm/vgtod.h
+++ b/arch/x86/include/asm/vgtod.h
@@ -21,6 +21,7 @@ struct vsyscall_gtod_data {
u32 shift;
} clock;
struct timespec wall_to_monotonic;
+ struct timespec wall_time_coarse;
};
extern struct vsyscall_gtod_data __vsyscall_gtod_data
__section_vsyscall_gtod_data;
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 25ee06a80aad..cf53a78e2dcf 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -87,6 +87,7 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock)
vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec;
vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec;
vsyscall_gtod_data.wall_to_monotonic = wall_to_monotonic;
+ vsyscall_gtod_data.wall_time_coarse = __current_kernel_time();
write_sequnlock_irqrestore(&vsyscall_gtod_data.lock, flags);
}
diff --git a/arch/x86/vdso/vclock_gettime.c b/arch/x86/vdso/vclock_gettime.c
index 6a40b78b46aa..ee55754cc3c5 100644
--- a/arch/x86/vdso/vclock_gettime.c
+++ b/arch/x86/vdso/vclock_gettime.c
@@ -86,14 +86,47 @@ notrace static noinline int do_monotonic(struct timespec *ts)
return 0;
}
+notrace static noinline int do_realtime_coarse(struct timespec *ts)
+{
+ unsigned long seq;
+ do {
+ seq = read_seqbegin(>od->lock);
+ ts->tv_sec = gtod->wall_time_coarse.tv_sec;
+ ts->tv_nsec = gtod->wall_time_coarse.tv_nsec;
+ } while (unlikely(read_seqretry(>od->lock, seq)));
+ return 0;
+}
+
+notrace static noinline int do_monotonic_coarse(struct timespec *ts)
+{
+ unsigned long seq, ns, secs;
+ do {
+ seq = read_seqbegin(>od->lock);
+ secs = gtod->wall_time_coarse.tv_sec;
+ ns = gtod->wall_time_coarse.tv_nsec;
+ secs += gtod->wall_to_monotonic.tv_sec;
+ ns += gtod->wall_to_monotonic.tv_nsec;
+ } while (unlikely(read_seqretry(>od->lock, seq)));
+ vset_normalized_timespec(ts, secs, ns);
+ return 0;
+}
+
notrace int __vdso_clock_gettime(clockid_t clock, struct timespec *ts)
{
- if (likely(gtod->sysctl_enabled && gtod->clock.vread))
+ if (likely(gtod->sysctl_enabled))
switch (clock) {
case CLOCK_REALTIME:
- return do_realtime(ts);
+ if (likely(gtod->clock.vread))
+ return do_realtime(ts);
+ break;
case CLOCK_MONOTONIC:
- return do_monotonic(ts);
+ if (likely(gtod->clock.vread))
+ return do_monotonic(ts);
+ break;
+ case CLOCK_REALTIME_COARSE:
+ return do_realtime_coarse(ts);
+ case CLOCK_MONOTONIC_COARSE:
+ return do_monotonic_coarse(ts);
}
return vdso_fallback_gettime(clock, ts);
}
diff --git a/include/linux/time.h b/include/linux/time.h
index f505988398e6..256232f7e5e6 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -110,6 +110,8 @@ extern int timekeeping_suspended;
unsigned long get_seconds(void);
struct timespec current_kernel_time(void);
+struct timespec __current_kernel_time(void); /* does not hold xtime_lock */
+struct timespec get_monotonic_coarse(void);
#define CURRENT_TIME (current_kernel_time())
#define CURRENT_TIME_SEC ((struct timespec) { get_seconds(), 0 })
@@ -243,6 +245,8 @@ struct itimerval {
#define CLOCK_PROCESS_CPUTIME_ID 2
#define CLOCK_THREAD_CPUTIME_ID 3
#define CLOCK_MONOTONIC_RAW 4
+#define CLOCK_REALTIME_COARSE 5
+#define CLOCK_MONOTONIC_COARSE 6
/*
* The IDs of various hardware clocks:
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index d089d052c4a9..495440779ce3 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -242,6 +242,25 @@ static int posix_get_monotonic_raw(clockid_t which_clock, struct timespec *tp)
return 0;
}
+
+static int posix_get_realtime_coarse(clockid_t which_clock, struct timespec *tp)
+{
+ *tp = current_kernel_time();
+ return 0;
+}
+
+static int posix_get_monotonic_coarse(clockid_t which_clock,
+ struct timespec *tp)
+{
+ *tp = get_monotonic_coarse();
+ return 0;
+}
+
+int posix_get_coarse_res(const clockid_t which_clock, struct timespec *tp)
+{
+ *tp = ktime_to_timespec(KTIME_LOW_RES);
+ return 0;
+}
/*
* Initialize everything, well, just everything in Posix clocks/timers ;)
*/
@@ -262,10 +281,26 @@ static __init int init_posix_timers(void)
.timer_create = no_timer_create,
.nsleep = no_nsleep,
};
+ struct k_clock clock_realtime_coarse = {
+ .clock_getres = posix_get_coarse_res,
+ .clock_get = posix_get_realtime_coarse,
+ .clock_set = do_posix_clock_nosettime,
+ .timer_create = no_timer_create,
+ .nsleep = no_nsleep,
+ };
+ struct k_clock clock_monotonic_coarse = {
+ .clock_getres = posix_get_coarse_res,
+ .clock_get = posix_get_monotonic_coarse,
+ .clock_set = do_posix_clock_nosettime,
+ .timer_create = no_timer_create,
+ .nsleep = no_nsleep,
+ };
register_posix_clock(CLOCK_REALTIME, &clock_realtime);
register_posix_clock(CLOCK_MONOTONIC, &clock_monotonic);
register_posix_clock(CLOCK_MONOTONIC_RAW, &clock_monotonic_raw);
+ register_posix_clock(CLOCK_REALTIME_COARSE, &clock_realtime_coarse);
+ register_posix_clock(CLOCK_MONOTONIC_COARSE, &clock_monotonic_coarse);
posix_timers_cache = kmem_cache_create("posix_timers_cache",
sizeof (struct k_itimer), 0, SLAB_PANIC,
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 15e06defca55..03cbeb34d141 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -847,6 +847,10 @@ unsigned long get_seconds(void)
}
EXPORT_SYMBOL(get_seconds);
+struct timespec __current_kernel_time(void)
+{
+ return xtime_cache;
+}
struct timespec current_kernel_time(void)
{
@@ -862,3 +866,20 @@ struct timespec current_kernel_time(void)
return now;
}
EXPORT_SYMBOL(current_kernel_time);
+
+struct timespec get_monotonic_coarse(void)
+{
+ struct timespec now, mono;
+ unsigned long seq;
+
+ do {
+ seq = read_seqbegin(&xtime_lock);
+
+ now = xtime_cache;
+ mono = wall_to_monotonic;
+ } while (read_seqretry(&xtime_lock, seq));
+
+ set_normalized_timespec(&now, now.tv_sec + mono.tv_sec,
+ now.tv_nsec + mono.tv_nsec);
+ return now;
+}
--
GitLab
From e115f2c17cbceee93b34d787a7a4a867fc73e7b4 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 22 Aug 2009 05:28:25 +0900
Subject: [PATCH 248/742] sh: unwinder: Use a special bug flag for unwinder
traps.
This simplifies the unwinder trap handling, dropping the use of the
special trapa vector and simply piggybacking on top of the BUG support. A
new BUGFLAG_UNWINDER is added for flagging the unwinder fault, before
continuing on with regular BUG dispatch.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/bug.h | 11 ++++++-----
arch/sh/kernel/debugtraps.S | 6 +-----
arch/sh/kernel/traps.c | 21 +++++++++++++++++----
arch/sh/kernel/unwinder.c | 21 ---------------------
4 files changed, 24 insertions(+), 35 deletions(-)
diff --git a/arch/sh/include/asm/bug.h b/arch/sh/include/asm/bug.h
index b7d9822fd6c2..23c5504a3a01 100644
--- a/arch/sh/include/asm/bug.h
+++ b/arch/sh/include/asm/bug.h
@@ -1,8 +1,8 @@
#ifndef __ASM_SH_BUG_H
#define __ASM_SH_BUG_H
-#define TRAPA_UNWINDER_BUG_OPCODE 0xc33b /* trapa #0x3b */
#define TRAPA_BUG_OPCODE 0xc33e /* trapa #0x3e */
+#define BUGFLAG_UNWINDER (1 << 1)
#ifdef CONFIG_GENERIC_BUG
#define HAVE_ARCH_BUG
@@ -73,15 +73,16 @@ do { \
unlikely(__ret_warn_on); \
})
-#define UNWINDER_BUG() \
+#define UNWINDER_BUG() \
do { \
__asm__ __volatile__ ( \
"1:\t.short %O0\n" \
- _EMIT_BUG_ENTRY \
+ _EMIT_BUG_ENTRY \
: \
- : "n" (TRAPA_UNWINDER_BUG_OPCODE), \
+ : "n" (TRAPA_BUG_OPCODE), \
"i" (__FILE__), \
- "i" (__LINE__), "i" (0), \
+ "i" (__LINE__), \
+ "i" (BUGFLAG_UNWINDER), \
"i" (sizeof(struct bug_entry))); \
} while (0)
diff --git a/arch/sh/kernel/debugtraps.S b/arch/sh/kernel/debugtraps.S
index cb00e4a82d4d..591741383ee6 100644
--- a/arch/sh/kernel/debugtraps.S
+++ b/arch/sh/kernel/debugtraps.S
@@ -19,10 +19,6 @@
#if !defined(CONFIG_SH_STANDARD_BIOS)
#define sh_bios_handler debug_trap_handler
-#endif
-
-#if !defined(CONFIG_DWARF_UNWINDER)
-#define unwinder_trap_handler debug_trap_handler
#endif
.data
@@ -39,7 +35,7 @@ ENTRY(debug_trap_table)
.long debug_trap_handler /* 0x38 */
.long debug_trap_handler /* 0x39 */
.long debug_trap_handler /* 0x3a */
- .long unwinder_trap_handler /* 0x3b */
+ .long debug_trap_handler /* 0x3b */
.long breakpoint_trap_handler /* 0x3c */
.long singlestep_trap_handler /* 0x3d */
.long bug_trap_handler /* 0x3e */
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 881b9a32b7de..f69bd968fcca 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -5,18 +5,32 @@
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/uaccess.h>
+#include <asm/unwinder.h>
#include <asm/system.h>
#ifdef CONFIG_BUG
void handle_BUG(struct pt_regs *regs)
{
+ const struct bug_entry *bug;
+ unsigned long bugaddr = regs->pc;
enum bug_trap_type tt;
- tt = report_bug(regs->pc, regs);
+
+ if (!is_valid_bugaddr(bugaddr))
+ goto invalid;
+
+ bug = find_bug(bugaddr);
+
+ /* Switch unwinders when unwind_stack() is called */
+ if (bug->flags & BUGFLAG_UNWINDER)
+ unwinder_faulted = 1;
+
+ tt = report_bug(bugaddr, regs);
if (tt == BUG_TRAP_TYPE_WARN) {
- regs->pc += instruction_size(regs->pc);
+ regs->pc += instruction_size(bugaddr);
return;
}
+invalid:
die("Kernel BUG", regs, TRAPA_BUG_OPCODE & 0xff);
}
@@ -28,8 +42,7 @@ int is_valid_bugaddr(unsigned long addr)
return 0;
if (probe_kernel_address((insn_size_t *)addr, opcode))
return 0;
-
- if (opcode == TRAPA_BUG_OPCODE || opcode == TRAPA_UNWINDER_BUG_OPCODE)
+ if (opcode == TRAPA_BUG_OPCODE)
return 1;
return 0;
diff --git a/arch/sh/kernel/unwinder.c b/arch/sh/kernel/unwinder.c
index e83861d9739c..468889d958f4 100644
--- a/arch/sh/kernel/unwinder.c
+++ b/arch/sh/kernel/unwinder.c
@@ -161,25 +161,4 @@ void unwind_stack(struct task_struct *task, struct pt_regs *regs,
curr_unwinder->dump(task, regs, sp, ops, data);
}
-
-/*
- * Trap handler for UWINDER_BUG() statements. We must switch to the
- * unwinder with the next highest rating.
- */
-BUILD_TRAP_HANDLER(unwinder)
-{
- insn_size_t insn;
- TRAP_HANDLER_DECL;
-
- /* Rewind */
- regs->pc -= instruction_size(ctrl_inw(regs->pc - 4));
- insn = *(insn_size_t *)instruction_pointer(regs);
-
- /* Switch unwinders when unwind_stack() is called */
- unwinder_faulted = 1;
-
-#ifdef CONFIG_BUG
- handle_BUG(regs);
-#endif
-}
EXPORT_SYMBOL_GPL(unwind_stack);
--
GitLab
From 74db2479c1fecefd0a190f282f28f00565309807 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 22 Aug 2009 05:31:45 +0900
Subject: [PATCH 249/742] sh64: dummy unwinder BUG wrappers.
sh64 does not yet support GENERIC_BUG, but still wants unwinder support.
Alias UNWINDER_BUG and UNWINDER_BUG_ON to their BUG counterparts until
the conversion to GENERIC_BUG is completed.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/bug.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/sh/include/asm/bug.h b/arch/sh/include/asm/bug.h
index 23c5504a3a01..d02c01b3e6b9 100644
--- a/arch/sh/include/asm/bug.h
+++ b/arch/sh/include/asm/bug.h
@@ -98,6 +98,11 @@ do { \
unlikely(__ret_unwinder_on); \
})
+#else
+
+#define UNWINDER_BUG BUG
+#define UNWINDER_BUG_ON BUG_ON
+
#endif /* CONFIG_GENERIC_BUG */
#include <asm-generic/bug.h>
--
GitLab
From 4f896ffca2b72f4b719746e7fbb0b623252e6ac9 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 22 Aug 2009 19:03:25 +0900
Subject: [PATCH 250/742] sh: unwinder: cacheline align slab cache objects.
The CIE and FDE structs are big enough and accessed regularly enough in
certain configurations to make cacheline alignment useful.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/dwarf.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 577302f31e6a..700f7e0fd658 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -899,9 +899,12 @@ static int __init dwarf_unwinder_init(void)
entry = &__start_eh_frame;
dwarf_frame_cachep = kmem_cache_create("dwarf_frames",
- sizeof(struct dwarf_frame), 0, SLAB_PANIC, NULL);
+ sizeof(struct dwarf_frame), 0,
+ SLAB_PANIC | SLAB_HWCACHE_ALIGN | SLAB_NOTRACK, NULL);
+
dwarf_reg_cachep = kmem_cache_create("dwarf_regs",
- sizeof(struct dwarf_reg), 0, SLAB_PANIC, NULL);
+ sizeof(struct dwarf_reg), 0,
+ SLAB_PANIC | SLAB_HWCACHE_ALIGN | SLAB_NOTRACK, NULL);
dwarf_frame_pool = mempool_create(DWARF_FRAME_MIN_REQ,
mempool_alloc_slab,
--
GitLab
From d90246cd8e0141332a8ab09c3c1800cc2028a686 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Sat, 22 Aug 2009 22:23:13 +0200
Subject: [PATCH 251/742] timekeeping: Increase granularity of
read_persistent_clock(), build fix
Fix the following build problem on powerpc:
arch/powerpc/kernel/time.c: In function 'read_persistent_clock':
arch/powerpc/kernel/time.c:788: error: 'return' with a value, in function returning void
arch/powerpc/kernel/time.c:791: error: 'return' with a value, in function returning void
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: dwalker@fifo99.com
Cc: johnstul@us.ibm.com
LKML-Reference: <20090822222313.74b9619c@skybase>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/powerpc/kernel/time.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index ad63f30fe3da..a508388fb87c 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -774,6 +774,7 @@ void read_persistent_clock(struct timespec *ts)
struct rtc_time tm;
static int first = 1;
+ ts->tv_nsec = 0;
/* XXX this is a litle fragile but will work okay in the short term */
if (first) {
first = 0;
@@ -781,15 +782,18 @@ void read_persistent_clock(struct timespec *ts)
timezone_offset = ppc_md.time_init();
/* get_boot_time() isn't guaranteed to be safe to call late */
- if (ppc_md.get_boot_time)
- return ppc_md.get_boot_time() -timezone_offset;
+ if (ppc_md.get_boot_time) {
+ ts->tv_sec = ppc_md.get_boot_time() - timezone_offset;
+ return;
+ }
+ }
+ if (!ppc_md.get_rtc_time) {
+ ts->tv_sec = 0;
+ return;
}
- if (!ppc_md.get_rtc_time)
- return 0;
ppc_md.get_rtc_time(&tm);
ts->tv_sec = mktime(tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec);
- ts->tv_nsec = 0;
}
/* clocksource code */
--
GitLab
From 6a93dde1e8216f7af9b2551a60fb1a5eeac4a89f Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 14 Aug 2009 10:48:16 +0000
Subject: [PATCH 252/742] sh: Runtime PM for SuperH Mobile platform bus devices
This patch is V3 of the SuperH Mobile Runtime PM platform bus
implentation matching Rafael's Runtime PM v16.
The code gets invoked from the SuperH specific Runtime PM
platform bus functions that override the weak symbols for:
- platform_pm_runtime_suspend()
- platform_pm_runtime_resume()
- platform_pm_runtime_idle()
This Runtime PM implementation performs two levels of power
management. At the time of platform bus runtime suspend the
clock to the device is stopped instantly. Later on if all
devices within the power domain has their clocks stopped
then the device driver ->runtime_suspend() callbacks are
used to save hardware register state for each device.
Device driver ->runtime_suspend() calls are scheduled from
cpuidle context using platform_pm_runtime_suspend_idle().
When all devices have been fully suspended the processor
is allowed to enter deep sleep from cpuidle.
The runtime resume operation turns on clocks and also
restores registers if needed. It is worth noting that the
devices start in a suspended state and the device driver
is responsible for calling runtime resume before accessing
the actual hardware.
In this particular platform bus implementation runtime
resume is not allowed from interrupt context. Runtime
suspend is however allowed from interrupt context as
long as the synchronous functions are avoided.
[ updated for v17 -- PFM. ]
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/device.h | 9 +
arch/sh/include/asm/hwblk.h | 4 +-
arch/sh/kernel/cpu/shmobile/Makefile | 1 +
arch/sh/kernel/cpu/shmobile/pm_runtime.c | 304 +++++++++++++++++++++++
4 files changed, 317 insertions(+), 1 deletion(-)
create mode 100644 arch/sh/kernel/cpu/shmobile/pm_runtime.c
diff --git a/arch/sh/include/asm/device.h b/arch/sh/include/asm/device.h
index 783ecdc64e25..b16debfe8c1e 100644
--- a/arch/sh/include/asm/device.h
+++ b/arch/sh/include/asm/device.h
@@ -14,6 +14,15 @@ int platform_resource_setup_memory(struct platform_device *pdev,
void plat_early_device_setup(void);
+#define PDEV_ARCHDATA_FLAG_INIT 0
+#define PDEV_ARCHDATA_FLAG_IDLE 1
+#define PDEV_ARCHDATA_FLAG_SUSP 2
+
struct pdev_archdata {
int hwblk_id;
+#ifdef CONFIG_PM_RUNTIME
+ unsigned long flags;
+ struct list_head entry;
+ struct mutex mutex;
+#endif
};
diff --git a/arch/sh/include/asm/hwblk.h b/arch/sh/include/asm/hwblk.h
index c01d72cb6757..5d3ccae4202b 100644
--- a/arch/sh/include/asm/hwblk.h
+++ b/arch/sh/include/asm/hwblk.h
@@ -5,7 +5,9 @@
#include <asm/io.h>
#define HWBLK_CNT_USAGE 0
-#define HWBLK_CNT_NR 1
+#define HWBLK_CNT_IDLE 1
+#define HWBLK_CNT_DEVICES 2
+#define HWBLK_CNT_NR 3
#define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */
diff --git a/arch/sh/kernel/cpu/shmobile/Makefile b/arch/sh/kernel/cpu/shmobile/Makefile
index e8a5111e848a..a39f88ea1a85 100644
--- a/arch/sh/kernel/cpu/shmobile/Makefile
+++ b/arch/sh/kernel/cpu/shmobile/Makefile
@@ -5,3 +5,4 @@
# Power Management & Sleep mode
obj-$(CONFIG_PM) += pm.o sleep.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
+obj-$(CONFIG_PM_RUNTIME) += pm_runtime.o
diff --git a/arch/sh/kernel/cpu/shmobile/pm_runtime.c b/arch/sh/kernel/cpu/shmobile/pm_runtime.c
new file mode 100644
index 000000000000..d5f5285a2253
--- /dev/null
+++ b/arch/sh/kernel/cpu/shmobile/pm_runtime.c
@@ -0,0 +1,304 @@
+/*
+ * arch/sh/kernel/cpu/shmobile/pm_runtime.c
+ *
+ * Runtime PM support code for SuperH Mobile
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/pm_runtime.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <asm/hwblk.h>
+
+static DEFINE_SPINLOCK(hwblk_lock);
+static LIST_HEAD(hwblk_idle_list);
+static struct work_struct hwblk_work;
+
+extern struct hwblk_info *hwblk_info;
+
+static void platform_pm_runtime_not_idle(struct platform_device *pdev)
+{
+ unsigned long flags;
+
+ /* remove device from idle list */
+ spin_lock_irqsave(&hwblk_lock, flags);
+ if (test_bit(PDEV_ARCHDATA_FLAG_IDLE, &pdev->archdata.flags)) {
+ list_del(&pdev->archdata.entry);
+ __clear_bit(PDEV_ARCHDATA_FLAG_IDLE, &pdev->archdata.flags);
+ }
+ spin_unlock_irqrestore(&hwblk_lock, flags);
+}
+
+static int __platform_pm_runtime_resume(struct platform_device *pdev)
+{
+ struct device *d = &pdev->dev;
+ struct pdev_archdata *ad = &pdev->archdata;
+ int hwblk = ad->hwblk_id;
+ int ret = -ENOSYS;
+
+ dev_dbg(d, "__platform_pm_runtime_resume() [%d]\n", hwblk);
+
+ if (d->driver && d->driver->pm && d->driver->pm->runtime_resume) {
+ hwblk_enable(hwblk_info, hwblk);
+ ret = 0;
+
+ if (test_bit(PDEV_ARCHDATA_FLAG_SUSP, &ad->flags)) {
+ ret = d->driver->pm->runtime_resume(d);
+ if (!ret)
+ clear_bit(PDEV_ARCHDATA_FLAG_SUSP, &ad->flags);
+ else
+ hwblk_disable(hwblk_info, hwblk);
+ }
+ }
+
+ dev_dbg(d, "__platform_pm_runtime_resume() [%d] - returns %d\n",
+ hwblk, ret);
+
+ return ret;
+}
+
+static int __platform_pm_runtime_suspend(struct platform_device *pdev)
+{
+ struct device *d = &pdev->dev;
+ struct pdev_archdata *ad = &pdev->archdata;
+ int hwblk = ad->hwblk_id;
+ int ret = -ENOSYS;
+
+ dev_dbg(d, "__platform_pm_runtime_suspend() [%d]\n", hwblk);
+
+ if (d->driver && d->driver->pm && d->driver->pm->runtime_suspend) {
+ BUG_ON(!test_bit(PDEV_ARCHDATA_FLAG_IDLE, &ad->flags));
+
+ hwblk_enable(hwblk_info, hwblk);
+ ret = d->driver->pm->runtime_suspend(d);
+ hwblk_disable(hwblk_info, hwblk);
+
+ if (!ret) {
+ set_bit(PDEV_ARCHDATA_FLAG_SUSP, &ad->flags);
+ platform_pm_runtime_not_idle(pdev);
+ hwblk_cnt_dec(hwblk_info, hwblk, HWBLK_CNT_IDLE);
+ }
+ }
+
+ dev_dbg(d, "__platform_pm_runtime_suspend() [%d] - returns %d\n",
+ hwblk, ret);
+
+ return ret;
+}
+
+static void platform_pm_runtime_work(struct work_struct *work)
+{
+ struct platform_device *pdev;
+ unsigned long flags;
+ int ret;
+
+ /* go through the idle list and suspend one device at a time */
+ do {
+ spin_lock_irqsave(&hwblk_lock, flags);
+ if (list_empty(&hwblk_idle_list))
+ pdev = NULL;
+ else
+ pdev = list_first_entry(&hwblk_idle_list,
+ struct platform_device,
+ archdata.entry);
+ spin_unlock_irqrestore(&hwblk_lock, flags);
+
+ if (pdev) {
+ mutex_lock(&pdev->archdata.mutex);
+ ret = __platform_pm_runtime_suspend(pdev);
+
+ /* at this point the platform device may be:
+ * suspended: ret = 0, FLAG_SUSP set, clock stopped
+ * failed: ret < 0, FLAG_IDLE set, clock stopped
+ */
+ mutex_unlock(&pdev->archdata.mutex);
+ } else {
+ ret = -ENODEV;
+ }
+ } while (!ret);
+}
+
+/* this function gets called from cpuidle context when all devices in the
+ * main power domain are unused but some are counted as idle, ie the hwblk
+ * counter values are (HWBLK_CNT_USAGE == 0) && (HWBLK_CNT_IDLE != 0)
+ */
+void platform_pm_runtime_suspend_idle(void)
+{
+ queue_work(pm_wq, &hwblk_work);
+}
+
+int platform_pm_runtime_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct pdev_archdata *ad = &pdev->archdata;
+ unsigned long flags;
+ int hwblk = ad->hwblk_id;
+ int ret = 0;
+
+ dev_dbg(dev, "platform_pm_runtime_suspend() [%d]\n", hwblk);
+
+ /* ignore off-chip platform devices */
+ if (!hwblk)
+ goto out;
+
+ /* interrupt context not allowed */
+ might_sleep();
+
+ /* catch misconfigured drivers not starting with resume */
+ if (test_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ /* serialize */
+ mutex_lock(&ad->mutex);
+
+ /* disable clock */
+ hwblk_disable(hwblk_info, hwblk);
+
+ /* put device on idle list */
+ spin_lock_irqsave(&hwblk_lock, flags);
+ list_add_tail(&pdev->archdata.entry, &hwblk_idle_list);
+ __set_bit(PDEV_ARCHDATA_FLAG_IDLE, &pdev->archdata.flags);
+ spin_unlock_irqrestore(&hwblk_lock, flags);
+
+ /* increase idle count */
+ hwblk_cnt_inc(hwblk_info, hwblk, HWBLK_CNT_IDLE);
+
+ /* at this point the platform device is:
+ * idle: ret = 0, FLAG_IDLE set, clock stopped
+ */
+ mutex_unlock(&ad->mutex);
+
+out:
+ dev_dbg(dev, "platform_pm_runtime_suspend() [%d] returns %d\n",
+ hwblk, ret);
+
+ return ret;
+}
+
+int platform_pm_runtime_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct pdev_archdata *ad = &pdev->archdata;
+ int hwblk = ad->hwblk_id;
+ int ret = 0;
+
+ dev_dbg(dev, "platform_pm_runtime_resume() [%d]\n", hwblk);
+
+ /* ignore off-chip platform devices */
+ if (!hwblk)
+ goto out;
+
+ /* interrupt context not allowed */
+ might_sleep();
+
+ /* serialize */
+ mutex_lock(&ad->mutex);
+
+ /* make sure device is removed from idle list */
+ platform_pm_runtime_not_idle(pdev);
+
+ /* decrease idle count */
+ if (!test_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags) &&
+ !test_bit(PDEV_ARCHDATA_FLAG_SUSP, &pdev->archdata.flags))
+ hwblk_cnt_dec(hwblk_info, hwblk, HWBLK_CNT_IDLE);
+
+ /* resume the device if needed */
+ ret = __platform_pm_runtime_resume(pdev);
+
+ /* the driver has been initialized now, so clear the init flag */
+ clear_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags);
+
+ /* at this point the platform device may be:
+ * resumed: ret = 0, flags = 0, clock started
+ * failed: ret < 0, FLAG_SUSP set, clock stopped
+ */
+ mutex_unlock(&ad->mutex);
+out:
+ dev_dbg(dev, "platform_pm_runtime_resume() [%d] returns %d\n",
+ hwblk, ret);
+
+ return ret;
+}
+
+int platform_pm_runtime_idle(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ int hwblk = pdev->archdata.hwblk_id;
+ int ret = 0;
+
+ dev_dbg(dev, "platform_pm_runtime_idle() [%d]\n", hwblk);
+
+ /* ignore off-chip platform devices */
+ if (!hwblk)
+ goto out;
+
+ /* interrupt context not allowed, use pm_runtime_put()! */
+ might_sleep();
+
+ /* suspend synchronously to disable clocks immediately */
+ ret = pm_runtime_suspend(dev);
+out:
+ dev_dbg(dev, "platform_pm_runtime_idle() [%d] done!\n", hwblk);
+ return ret;
+}
+
+static int __devinit platform_bus_notify(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct device *dev = data;
+ struct platform_device *pdev = to_platform_device(dev);
+ int hwblk = pdev->archdata.hwblk_id;
+
+ /* ignore off-chip platform devices */
+ if (!hwblk)
+ return 0;
+
+ switch (action) {
+ case BUS_NOTIFY_ADD_DEVICE:
+ INIT_LIST_HEAD(&pdev->archdata.entry);
+ mutex_init(&pdev->archdata.mutex);
+ /* platform devices without drivers should be disabled */
+ hwblk_enable(hwblk_info, hwblk);
+ hwblk_disable(hwblk_info, hwblk);
+ /* make sure driver re-inits itself once */
+ __set_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags);
+ break;
+ /* TODO: add BUS_NOTIFY_BIND_DRIVER and increase idle count */
+ case BUS_NOTIFY_BOUND_DRIVER:
+ /* keep track of number of devices in use per hwblk */
+ hwblk_cnt_inc(hwblk_info, hwblk, HWBLK_CNT_DEVICES);
+ break;
+ case BUS_NOTIFY_UNBOUND_DRIVER:
+ /* keep track of number of devices in use per hwblk */
+ hwblk_cnt_dec(hwblk_info, hwblk, HWBLK_CNT_DEVICES);
+ /* make sure driver re-inits itself once */
+ __set_bit(PDEV_ARCHDATA_FLAG_INIT, &pdev->archdata.flags);
+ break;
+ case BUS_NOTIFY_DEL_DEVICE:
+ break;
+ }
+ return 0;
+}
+
+static struct notifier_block platform_bus_notifier = {
+ .notifier_call = platform_bus_notify
+};
+
+static int __init sh_pm_runtime_init(void)
+{
+ INIT_WORK(&hwblk_work, platform_pm_runtime_work);
+
+ bus_register_notifier(&platform_bus_type, &platform_bus_notifier);
+ return 0;
+}
+
+core_initcall(sh_pm_runtime_init);
--
GitLab
From f1a3b994f9dfd12111dc034402aed256fac66dfe Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 14 Aug 2009 10:48:59 +0000
Subject: [PATCH 253/742] i2c: Runtime PM for SuperH Mobile I2C
This patch modifies the SuperH Mobile I2C driver to support
Runtime PM. These changes is all that is needed for proper
Runtime PM support in this driver. Driver callbacks for
Runtime PM are empty because the device registers are always
re-initialized after pm_runtime_get_sync().
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/i2c/busses/i2c-sh_mobile.c | 39 ++++++++++++++++++++++++++++--
1 file changed, 37 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 820487d0d5c7..86a9d4e81472 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -28,6 +28,7 @@
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/err.h>
+#include <linux/pm_runtime.h>
#include <linux/clk.h>
#include <linux/io.h>
@@ -165,7 +166,8 @@ static void activate_ch(struct sh_mobile_i2c_data *pd)
u_int32_t denom;
u_int32_t tmp;
- /* Make sure the clock is enabled */
+ /* Wake up device and enable clock */
+ pm_runtime_get_sync(pd->dev);
clk_enable(pd->clk);
/* Get clock rate after clock is enabled */
@@ -213,8 +215,9 @@ static void deactivate_ch(struct sh_mobile_i2c_data *pd)
/* Disable channel */
iowrite8(ioread8(ICCR(pd)) & ~ICCR_ICE, ICCR(pd));
- /* Disable clock */
+ /* Disable clock and mark device as idle */
clk_disable(pd->clk);
+ pm_runtime_put_sync(pd->dev);
}
static unsigned char i2c_op(struct sh_mobile_i2c_data *pd,
@@ -572,6 +575,19 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
goto err_irq;
}
+ /* Enable Runtime PM for this device.
+ *
+ * Also tell the Runtime PM core to ignore children
+ * for this device since it is valid for us to suspend
+ * this I2C master driver even though the slave devices
+ * on the I2C bus may not be suspended.
+ *
+ * The state of the I2C hardware bus is unaffected by
+ * the Runtime PM state.
+ */
+ pm_suspend_ignore_children(&dev->dev, true);
+ pm_runtime_enable(&dev->dev);
+
/* setup the private data */
adap = &pd->adap;
i2c_set_adapdata(adap, pd);
@@ -614,14 +630,33 @@ static int sh_mobile_i2c_remove(struct platform_device *dev)
iounmap(pd->reg);
sh_mobile_i2c_hook_irqs(dev, 0);
clk_put(pd->clk);
+ pm_runtime_disable(&dev->dev);
kfree(pd);
return 0;
}
+static int sh_mobile_i2c_runtime_nop(struct device *dev)
+{
+ /* Runtime PM callback shared between ->runtime_suspend()
+ * and ->runtime_resume(). Simply returns success.
+ *
+ * This driver re-initializes all registers after
+ * pm_runtime_get_sync() anyway so there is no need
+ * to save and restore registers here.
+ */
+ return 0;
+}
+
+static struct dev_pm_ops sh_mobile_i2c_dev_pm_ops = {
+ .runtime_suspend = sh_mobile_i2c_runtime_nop,
+ .runtime_resume = sh_mobile_i2c_runtime_nop,
+};
+
static struct platform_driver sh_mobile_i2c_driver = {
.driver = {
.name = "i2c-sh_mobile",
.owner = THIS_MODULE,
+ .pm = &sh_mobile_i2c_dev_pm_ops,
},
.probe = sh_mobile_i2c_probe,
.remove = sh_mobile_i2c_remove,
--
GitLab
From 0246c4712c40294bd5e8335f0c15a38c8e52709f Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 14 Aug 2009 10:49:08 +0000
Subject: [PATCH 254/742] video: Runtime PM for SuperH Mobile LCDC
This patch modifies the SuperH Mobile LCDC framebuffer driver
to support Runtime PM. The driver is using the functions
- pm_runtime_get_sync()
- pm_runtime_put_sync()
to inform the bus code if the hardware is idle or not. If the
hardware is idle then the bus code may call the runtime dev_pm_ops
callbacks to save and restore state. pm_runtime_resume() is used
to allow the driver to access the hardware from probe().
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/video/sh_mobile_lcdcfb.c | 156 ++++++++++++++++++++++---------
1 file changed, 110 insertions(+), 46 deletions(-)
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index fc3f9662ceae..1cb5213c1a03 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -14,6 +14,7 @@
#include <linux/mm.h>
#include <linux/fb.h>
#include <linux/clk.h>
+#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
@@ -23,33 +24,6 @@
#define PALETTE_NR 16
-struct sh_mobile_lcdc_priv;
-struct sh_mobile_lcdc_chan {
- struct sh_mobile_lcdc_priv *lcdc;
- unsigned long *reg_offs;
- unsigned long ldmt1r_value;
- unsigned long enabled; /* ME and SE in LDCNT2R */
- struct sh_mobile_lcdc_chan_cfg cfg;
- u32 pseudo_palette[PALETTE_NR];
- struct fb_info *info;
- dma_addr_t dma_handle;
- struct fb_deferred_io defio;
- struct scatterlist *sglist;
- unsigned long frame_end;
- wait_queue_head_t frame_end_wait;
-};
-
-struct sh_mobile_lcdc_priv {
- void __iomem *base;
- int irq;
- atomic_t clk_usecnt;
- struct clk *dot_clk;
- struct clk *clk;
- unsigned long lddckr;
- struct sh_mobile_lcdc_chan ch[2];
- int started;
-};
-
/* shared registers */
#define _LDDCKR 0x410
#define _LDDCKSTPR 0x414
@@ -63,11 +37,23 @@ struct sh_mobile_lcdc_priv {
#define _LDDWAR 0x900
#define _LDDRAR 0x904
+/* shared registers and their order for context save/restore */
+static int lcdc_shared_regs[] = {
+ _LDDCKR,
+ _LDDCKSTPR,
+ _LDINTR,
+ _LDDDSR,
+ _LDCNT1R,
+ _LDCNT2R,
+};
+#define NR_SHARED_REGS ARRAY_SIZE(lcdc_shared_regs)
+
/* per-channel registers */
enum { LDDCKPAT1R, LDDCKPAT2R, LDMT1R, LDMT2R, LDMT3R, LDDFR, LDSM1R,
- LDSM2R, LDSA1R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR };
+ LDSM2R, LDSA1R, LDMLSR, LDHCNR, LDHSYNR, LDVLNR, LDVSYNR, LDPMR,
+ NR_CH_REGS };
-static unsigned long lcdc_offs_mainlcd[] = {
+static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = {
[LDDCKPAT1R] = 0x400,
[LDDCKPAT2R] = 0x404,
[LDMT1R] = 0x418,
@@ -85,7 +71,7 @@ static unsigned long lcdc_offs_mainlcd[] = {
[LDPMR] = 0x460,
};
-static unsigned long lcdc_offs_sublcd[] = {
+static unsigned long lcdc_offs_sublcd[NR_CH_REGS] = {
[LDDCKPAT1R] = 0x408,
[LDDCKPAT2R] = 0x40c,
[LDMT1R] = 0x600,
@@ -110,6 +96,35 @@ static unsigned long lcdc_offs_sublcd[] = {
#define LDINTR_FE 0x00000400
#define LDINTR_FS 0x00000004
+struct sh_mobile_lcdc_priv;
+struct sh_mobile_lcdc_chan {
+ struct sh_mobile_lcdc_priv *lcdc;
+ unsigned long *reg_offs;
+ unsigned long ldmt1r_value;
+ unsigned long enabled; /* ME and SE in LDCNT2R */
+ struct sh_mobile_lcdc_chan_cfg cfg;
+ u32 pseudo_palette[PALETTE_NR];
+ unsigned long saved_ch_regs[NR_CH_REGS];
+ struct fb_info *info;
+ dma_addr_t dma_handle;
+ struct fb_deferred_io defio;
+ struct scatterlist *sglist;
+ unsigned long frame_end;
+ wait_queue_head_t frame_end_wait;
+};
+
+struct sh_mobile_lcdc_priv {
+ void __iomem *base;
+ int irq;
+ atomic_t hw_usecnt;
+ struct device *dev;
+ struct clk *dot_clk;
+ unsigned long lddckr;
+ struct sh_mobile_lcdc_chan ch[2];
+ unsigned long saved_shared_regs[NR_SHARED_REGS];
+ int started;
+};
+
static void lcdc_write_chan(struct sh_mobile_lcdc_chan *chan,
int reg_nr, unsigned long data)
{
@@ -188,8 +203,8 @@ struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = {
static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv)
{
- if (atomic_inc_and_test(&priv->clk_usecnt)) {
- clk_enable(priv->clk);
+ if (atomic_inc_and_test(&priv->hw_usecnt)) {
+ pm_runtime_get_sync(priv->dev);
if (priv->dot_clk)
clk_enable(priv->dot_clk);
}
@@ -197,10 +212,10 @@ static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv)
static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv)
{
- if (atomic_sub_return(1, &priv->clk_usecnt) == -1) {
+ if (atomic_sub_return(1, &priv->hw_usecnt) == -1) {
if (priv->dot_clk)
clk_disable(priv->dot_clk);
- clk_disable(priv->clk);
+ pm_runtime_put(priv->dev);
}
}
@@ -574,7 +589,6 @@ static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev,
int clock_source,
struct sh_mobile_lcdc_priv *priv)
{
- char clk_name[8];
char *str;
int icksel;
@@ -588,23 +602,21 @@ static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev,
priv->lddckr = icksel << 16;
- atomic_set(&priv->clk_usecnt, -1);
- snprintf(clk_name, sizeof(clk_name), "lcdc%d", pdev->id);
- priv->clk = clk_get(&pdev->dev, clk_name);
- if (IS_ERR(priv->clk)) {
- dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
- return PTR_ERR(priv->clk);
- }
-
if (str) {
priv->dot_clk = clk_get(&pdev->dev, str);
if (IS_ERR(priv->dot_clk)) {
dev_err(&pdev->dev, "cannot get dot clock %s\n", str);
- clk_put(priv->clk);
return PTR_ERR(priv->dot_clk);
}
}
-
+ atomic_set(&priv->hw_usecnt, -1);
+
+ /* Runtime PM support involves two step for this driver:
+ * 1) Enable Runtime PM
+ * 2) Force Runtime PM Resume since hardware is accessed from probe()
+ */
+ pm_runtime_enable(priv->dev);
+ pm_runtime_resume(priv->dev);
return 0;
}
@@ -722,9 +734,59 @@ static int sh_mobile_lcdc_resume(struct device *dev)
return sh_mobile_lcdc_start(platform_get_drvdata(pdev));
}
+static int sh_mobile_lcdc_runtime_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct sh_mobile_lcdc_priv *p = platform_get_drvdata(pdev);
+ struct sh_mobile_lcdc_chan *ch;
+ int k, n;
+
+ /* save per-channel registers */
+ for (k = 0; k < ARRAY_SIZE(p->ch); k++) {
+ ch = &p->ch[k];
+ if (!ch->enabled)
+ continue;
+ for (n = 0; n < NR_CH_REGS; n++)
+ ch->saved_ch_regs[n] = lcdc_read_chan(ch, n);
+ }
+
+ /* save shared registers */
+ for (n = 0; n < NR_SHARED_REGS; n++)
+ p->saved_shared_regs[n] = lcdc_read(p, lcdc_shared_regs[n]);
+
+ /* turn off LCDC hardware */
+ lcdc_write(p, _LDCNT1R, 0);
+ return 0;
+}
+
+static int sh_mobile_lcdc_runtime_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct sh_mobile_lcdc_priv *p = platform_get_drvdata(pdev);
+ struct sh_mobile_lcdc_chan *ch;
+ int k, n;
+
+ /* restore per-channel registers */
+ for (k = 0; k < ARRAY_SIZE(p->ch); k++) {
+ ch = &p->ch[k];
+ if (!ch->enabled)
+ continue;
+ for (n = 0; n < NR_CH_REGS; n++)
+ lcdc_write_chan(ch, n, ch->saved_ch_regs[n]);
+ }
+
+ /* restore shared registers */
+ for (n = 0; n < NR_SHARED_REGS; n++)
+ lcdc_write(p, lcdc_shared_regs[n], p->saved_shared_regs[n]);
+
+ return 0;
+}
+
static struct dev_pm_ops sh_mobile_lcdc_dev_pm_ops = {
.suspend = sh_mobile_lcdc_suspend,
.resume = sh_mobile_lcdc_resume,
+ .runtime_suspend = sh_mobile_lcdc_runtime_suspend,
+ .runtime_resume = sh_mobile_lcdc_runtime_resume,
};
static int sh_mobile_lcdc_remove(struct platform_device *pdev);
@@ -769,6 +831,7 @@ static int __init sh_mobile_lcdc_probe(struct platform_device *pdev)
}
priv->irq = i;
+ priv->dev = &pdev->dev;
platform_set_drvdata(pdev, priv);
pdata = pdev->dev.platform_data;
@@ -940,7 +1003,8 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
if (priv->dot_clk)
clk_put(priv->dot_clk);
- clk_put(priv->clk);
+
+ pm_runtime_disable(priv->dev);
if (priv->base)
iounmap(priv->base);
--
GitLab
From 6d1386c6b8db54ac8d94c01194e0c27cd538532b Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 14 Aug 2009 10:49:17 +0000
Subject: [PATCH 255/742] v4l2: Runtime PM for SuperH Mobile CEU
This patch modifies the SuperH Mobile CEU driver to support
Runtime PM. Driver callbacks for Runtime PM are empty because
the device registers are always re-initialized after
pm_runtime_get_sync(). The Runtime PM functions replaces the
clock framework module stop bit handling in this driver.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/media/video/sh_mobile_ceu_camera.c | 41 +++++++++++++---------
1 file changed, 25 insertions(+), 16 deletions(-)
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index e86878deea71..61c47b824083 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -30,7 +30,7 @@
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/videodev2.h>
-#include <linux/clk.h>
+#include <linux/pm_runtime.h>
#include <media/v4l2-common.h>
#include <media/v4l2-dev.h>
@@ -86,7 +86,6 @@ struct sh_mobile_ceu_dev {
unsigned int irq;
void __iomem *base;
- struct clk *clk;
unsigned long video_limit;
/* lock used to protect videobuf */
@@ -361,7 +360,7 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
if (ret)
goto err;
- clk_enable(pcdev->clk);
+ pm_runtime_get_sync(ici->dev);
ceu_write(pcdev, CAPSR, 1 << 16); /* reset */
while (ceu_read(pcdev, CSTSR) & 1)
@@ -395,7 +394,7 @@ static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd)
}
spin_unlock_irqrestore(&pcdev->lock, flags);
- clk_disable(pcdev->clk);
+ pm_runtime_put_sync(ici->dev);
icd->ops->release(icd);
@@ -798,7 +797,6 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
struct sh_mobile_ceu_dev *pcdev;
struct resource *res;
void __iomem *base;
- char clk_name[8];
unsigned int irq;
int err = 0;
@@ -862,13 +860,9 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
goto exit_release_mem;
}
- snprintf(clk_name, sizeof(clk_name), "ceu%d", pdev->id);
- pcdev->clk = clk_get(&pdev->dev, clk_name);
- if (IS_ERR(pcdev->clk)) {
- dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
- err = PTR_ERR(pcdev->clk);
- goto exit_free_irq;
- }
+ pm_suspend_ignore_children(&pdev->dev, true);
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_resume(&pdev->dev);
pcdev->ici.priv = pcdev;
pcdev->ici.dev = &pdev->dev;
@@ -878,12 +872,10 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
err = soc_camera_host_register(&pcdev->ici);
if (err)
- goto exit_free_clk;
+ goto exit_free_irq;
return 0;
-exit_free_clk:
- clk_put(pcdev->clk);
exit_free_irq:
free_irq(pcdev->irq, pcdev);
exit_release_mem:
@@ -904,7 +896,6 @@ static int sh_mobile_ceu_remove(struct platform_device *pdev)
struct sh_mobile_ceu_dev, ici);
soc_camera_host_unregister(soc_host);
- clk_put(pcdev->clk);
free_irq(pcdev->irq, pcdev);
if (platform_get_resource(pdev, IORESOURCE_MEM, 1))
dma_release_declared_memory(&pdev->dev);
@@ -913,9 +904,27 @@ static int sh_mobile_ceu_remove(struct platform_device *pdev)
return 0;
}
+static int sh_mobile_ceu_runtime_nop(struct device *dev)
+{
+ /* Runtime PM callback shared between ->runtime_suspend()
+ * and ->runtime_resume(). Simply returns success.
+ *
+ * This driver re-initializes all registers after
+ * pm_runtime_get_sync() anyway so there is no need
+ * to save and restore registers here.
+ */
+ return 0;
+}
+
+static struct dev_pm_ops sh_mobile_ceu_dev_pm_ops = {
+ .runtime_suspend = sh_mobile_ceu_runtime_nop,
+ .runtime_resume = sh_mobile_ceu_runtime_nop,
+};
+
static struct platform_driver sh_mobile_ceu_driver = {
.driver = {
.name = "sh_mobile_ceu",
+ .pm = &sh_mobile_ceu_dev_pm_ops,
},
.probe = sh_mobile_ceu_probe,
.remove = sh_mobile_ceu_remove,
--
GitLab
From af76756e6e8c268c684865d29b897a470de1f097 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 14 Aug 2009 10:49:38 +0000
Subject: [PATCH 256/742] uio: Runtime PM for UIO devices
This patch modifies the uio_pdrv_genirq driver to support
Runtime PM. The power management implementation simply
runtime resumes the device at open() time and runtime
suspends it at release() time. The user space driver is
responsible for re-initializing the hardware after open().
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/uio/uio_pdrv_genirq.c | 54 +++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index 3f06818cf9fa..02347c57357d 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -20,6 +20,7 @@
#include <linux/bitops.h>
#include <linux/interrupt.h>
#include <linux/stringify.h>
+#include <linux/pm_runtime.h>
#define DRIVER_NAME "uio_pdrv_genirq"
@@ -27,8 +28,27 @@ struct uio_pdrv_genirq_platdata {
struct uio_info *uioinfo;
spinlock_t lock;
unsigned long flags;
+ struct platform_device *pdev;
};
+static int uio_pdrv_genirq_open(struct uio_info *info, struct inode *inode)
+{
+ struct uio_pdrv_genirq_platdata *priv = info->priv;
+
+ /* Wait until the Runtime PM code has woken up the device */
+ pm_runtime_get_sync(&priv->pdev->dev);
+ return 0;
+}
+
+static int uio_pdrv_genirq_release(struct uio_info *info, struct inode *inode)
+{
+ struct uio_pdrv_genirq_platdata *priv = info->priv;
+
+ /* Tell the Runtime PM code that the device has become idle */
+ pm_runtime_put_sync(&priv->pdev->dev);
+ return 0;
+}
+
static irqreturn_t uio_pdrv_genirq_handler(int irq, struct uio_info *dev_info)
{
struct uio_pdrv_genirq_platdata *priv = dev_info->priv;
@@ -97,6 +117,7 @@ static int uio_pdrv_genirq_probe(struct platform_device *pdev)
priv->uioinfo = uioinfo;
spin_lock_init(&priv->lock);
priv->flags = 0; /* interrupt is enabled to begin with */
+ priv->pdev = pdev;
uiomem = &uioinfo->mem[0];
@@ -136,8 +157,17 @@ static int uio_pdrv_genirq_probe(struct platform_device *pdev)
uioinfo->irq_flags |= IRQF_DISABLED;
uioinfo->handler = uio_pdrv_genirq_handler;
uioinfo->irqcontrol = uio_pdrv_genirq_irqcontrol;
+ uioinfo->open = uio_pdrv_genirq_open;
+ uioinfo->release = uio_pdrv_genirq_release;
uioinfo->priv = priv;
+ /* Enable Runtime PM for this device:
+ * The device starts in suspended state to allow the hardware to be
+ * turned off by default. The Runtime PM bus code should power on the
+ * hardware and enable clocks at open().
+ */
+ pm_runtime_enable(&pdev->dev);
+
ret = uio_register_device(&pdev->dev, priv->uioinfo);
if (ret) {
dev_err(&pdev->dev, "unable to register uio device\n");
@@ -157,16 +187,40 @@ static int uio_pdrv_genirq_remove(struct platform_device *pdev)
struct uio_pdrv_genirq_platdata *priv = platform_get_drvdata(pdev);
uio_unregister_device(priv->uioinfo);
+ pm_runtime_disable(&pdev->dev);
kfree(priv);
return 0;
}
+static int uio_pdrv_genirq_runtime_nop(struct device *dev)
+{
+ /* Runtime PM callback shared between ->runtime_suspend()
+ * and ->runtime_resume(). Simply returns success.
+ *
+ * In this driver pm_runtime_get_sync() and pm_runtime_put_sync()
+ * are used at open() and release() time. This allows the
+ * Runtime PM code to turn off power to the device while the
+ * device is unused, ie before open() and after release().
+ *
+ * This Runtime PM callback does not need to save or restore
+ * any registers since user space is responsbile for hardware
+ * register reinitialization after open().
+ */
+ return 0;
+}
+
+static struct dev_pm_ops uio_pdrv_genirq_dev_pm_ops = {
+ .runtime_suspend = uio_pdrv_genirq_runtime_nop,
+ .runtime_resume = uio_pdrv_genirq_runtime_nop,
+};
+
static struct platform_driver uio_pdrv_genirq = {
.probe = uio_pdrv_genirq_probe,
.remove = uio_pdrv_genirq_remove,
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
+ .pm = &uio_pdrv_genirq_dev_pm_ops,
},
};
--
GitLab
From a62926fe4b76d539b77ee53197040153d43916f6 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 18 Aug 2009 10:41:06 +0900
Subject: [PATCH 257/742] sh: Fix section mismatch in platform bus notifier.
The runtime PM for SH-Mobile code had platform_bus_notify() as __devinit,
which is rather bogus. Kill off the annotation, which subsequently
silences the section mismatch warnings.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/shmobile/pm_runtime.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/sh/kernel/cpu/shmobile/pm_runtime.c b/arch/sh/kernel/cpu/shmobile/pm_runtime.c
index d5f5285a2253..7c615b17e209 100644
--- a/arch/sh/kernel/cpu/shmobile/pm_runtime.c
+++ b/arch/sh/kernel/cpu/shmobile/pm_runtime.c
@@ -251,8 +251,8 @@ out:
return ret;
}
-static int __devinit platform_bus_notify(struct notifier_block *nb,
- unsigned long action, void *data)
+static int platform_bus_notify(struct notifier_block *nb,
+ unsigned long action, void *data)
{
struct device *dev = data;
struct platform_device *pdev = to_platform_device(dev);
@@ -300,5 +300,4 @@ static int __init sh_pm_runtime_init(void)
bus_register_notifier(&platform_bus_type, &platform_bus_notifier);
return 0;
}
-
core_initcall(sh_pm_runtime_init);
--
GitLab
From ac2c596b572d08dab64dde3ac1f2de934d781c9f Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 19 Aug 2009 10:31:53 +0000
Subject: [PATCH 258/742] sh: let ARCH_SHMOBILE select PM and PM_RUNTIME
With the Runtime PM driver changes in place, we must have
Runtime PM support in place. Otherwise there is no way to
enable clocks to the Runtime PM enabled hardware blocks.
This patch makes Runtime PM mandatory on SuperH Mobile.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index c4a955d25451..2a16014d9de3 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -219,6 +219,8 @@ config CPU_SHX3
config ARCH_SHMOBILE
bool
select ARCH_SUSPEND_POSSIBLE
+ select PM
+ select PM_RUNTIME
if SUPERH32
--
GitLab
From cc58f597afc63a57bb55ed97c2a72f7405320c93 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 19 Aug 2009 10:39:05 +0000
Subject: [PATCH 259/742] sh: drop static UIO clocks for sh7722, sh7723 and
sh7724
The Runtime PM patch for UIO driver implements coarse grained
dynamic power management for UIO devices. With that patch in
place we can get rid of the static clock configuration. Which
in turn makes it possible for cpuidle to enter deeper sleep.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh4a/clock-sh7722.c | 6 +++---
arch/sh/kernel/cpu/sh4a/clock-sh7723.c | 6 +++---
arch/sh/kernel/cpu/sh4a/clock-sh7724.c | 8 ++++----
3 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
index 5b1bbbe63b1b..ea38b554dc05 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -164,11 +164,11 @@ static struct clk mstp_clks[] = {
SH_HWBLK_CLK("2dg0", -1, B_CLK, HWBLK_2DG, 0),
SH_HWBLK_CLK("siu0", -1, B_CLK, HWBLK_SIU, 0),
SH_HWBLK_CLK("vou0", -1, B_CLK, HWBLK_VOU, 0),
- SH_HWBLK_CLK("jpu0", -1, B_CLK, HWBLK_JPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("jpu0", -1, B_CLK, HWBLK_JPU, 0),
SH_HWBLK_CLK("beu0", -1, B_CLK, HWBLK_BEU, 0),
SH_HWBLK_CLK("ceu0", -1, B_CLK, HWBLK_CEU, 0),
- SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU, CLK_ENABLE_ON_INIT),
- SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU, 0),
+ SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, 0),
SH_HWBLK_CLK("lcdc0", -1, P_CLK, HWBLK_LCDC, 0),
};
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
index e5c63911403c..20a31c2255a8 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
@@ -190,12 +190,12 @@ static struct clk mstp_clks[] = {
SH_HWBLK_CLK("usb0", -1, B_CLK, HWBLK_USB, 0),
SH_HWBLK_CLK("2dg0", -1, B_CLK, HWBLK_2DG, 0),
SH_HWBLK_CLK("siu0", -1, B_CLK, HWBLK_SIU, 0),
- SH_HWBLK_CLK("veu1", -1, B_CLK, HWBLK_VEU2H1, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("veu1", -1, B_CLK, HWBLK_VEU2H1, 0),
SH_HWBLK_CLK("vou0", -1, B_CLK, HWBLK_VOU, 0),
SH_HWBLK_CLK("beu0", -1, B_CLK, HWBLK_BEU, 0),
SH_HWBLK_CLK("ceu0", -1, B_CLK, HWBLK_CEU, 0),
- SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU2H0, CLK_ENABLE_ON_INIT),
- SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU2H0, 0),
+ SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, 0),
SH_HWBLK_CLK("lcdc0", -1, B_CLK, HWBLK_LCDC, 0),
};
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index 34611d97378e..a0c4ec25bcbc 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -204,17 +204,17 @@ static struct clk mstp_clks[] = {
SH_HWBLK_CLK("2dg0", -1, B_CLK, HWBLK_2DG, 0),
SH_HWBLK_CLK("sdhi0", -1, B_CLK, HWBLK_SDHI0, 0),
SH_HWBLK_CLK("sdhi1", -1, B_CLK, HWBLK_SDHI1, 0),
- SH_HWBLK_CLK("veu1", -1, B_CLK, HWBLK_VEU1, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("veu1", -1, B_CLK, HWBLK_VEU1, 0),
SH_HWBLK_CLK("ceu1", -1, B_CLK, HWBLK_CEU1, 0),
SH_HWBLK_CLK("beu1", -1, B_CLK, HWBLK_BEU1, 0),
SH_HWBLK_CLK("2ddmac0", -1, SH_CLK, HWBLK_2DDMAC, 0),
SH_HWBLK_CLK("spu0", -1, B_CLK, HWBLK_SPU, 0),
- SH_HWBLK_CLK("jpu0", -1, B_CLK, HWBLK_JPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("jpu0", -1, B_CLK, HWBLK_JPU, 0),
SH_HWBLK_CLK("vou0", -1, B_CLK, HWBLK_VOU, 0),
SH_HWBLK_CLK("beu0", -1, B_CLK, HWBLK_BEU0, 0),
SH_HWBLK_CLK("ceu0", -1, B_CLK, HWBLK_CEU0, 0),
- SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU0, CLK_ENABLE_ON_INIT),
- SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU0, 0),
+ SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, 0),
SH_HWBLK_CLK("lcdc0", -1, B_CLK, HWBLK_LCDC, 0),
};
--
GitLab
From 9a4af027a03e10e97f56081cd7dd1fda5282bd9c Mon Sep 17 00:00:00 2001
From: Andre Draszik <andre.draszik@st.com>
Date: Mon, 24 Aug 2009 14:38:27 +0900
Subject: [PATCH 260/742] sh: ratelimit unaligned fixups
This patch makes sure we see messages about unaligned access fixups
every now and then. Else especially userspace apps suffering from
bad programming won't ever be noticed...
Signed-off by: Andre Draszik <andre.draszik@st.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/traps_32.c | 17 ++++-------------
1 file changed, 4 insertions(+), 13 deletions(-)
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 05a04b6df844..866c7c7a8236 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -359,13 +359,6 @@ static inline int handle_delayslot(struct pt_regs *regs,
#define SH_PC_8BIT_OFFSET(instr) ((((signed char)(instr))*2) + 4)
#define SH_PC_12BIT_OFFSET(instr) ((((signed short)(instr<<4))>>3) + 4)
-/*
- * XXX: SH-2A needs this too, but it needs an overhaul thanks to mixed 32-bit
- * opcodes..
- */
-
-static int handle_unaligned_notify_count = 10;
-
int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
struct mem_access *ma)
{
@@ -375,15 +368,13 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
index = (instruction>>8)&15; /* 0x0F00 */
rm = regs->regs[index];
- /* shout about the first ten userspace fixups */
- if (user_mode(regs) && handle_unaligned_notify_count>0) {
- handle_unaligned_notify_count--;
-
- printk(KERN_NOTICE "Fixing up unaligned userspace access "
+ /* shout about fixups */
+ if (printk_ratelimit())
+ printk(KERN_NOTICE "Fixing up unaligned %s access "
"in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
+ user_mode(regs) ? "userspace" : "kernel",
current->comm, task_pid_nr(current),
(void *)regs->pc, instruction);
- }
ret = -EFAULT;
switch (instruction&0xF000) {
--
GitLab
From 7436cde6b2ca71049051620c68c26522bb3403bf Mon Sep 17 00:00:00 2001
From: Andre Draszik <andre.draszik@st.com>
Date: Mon, 24 Aug 2009 14:53:46 +0900
Subject: [PATCH 261/742] sh: Allow user control over misaligned fixup handling
This patch brings the SH4 misaligned trap handler in line with what
happens on ARM:
Add a /proc/cpu/alignment which can be read from to get alignment
trap statistics and written to to influence the behaviour of the
alignment trap handling. The value to write is a bitfield, which
has the following meaning: 1 warn, 2 fixup, 4 signal
In addition, we add a /proc/cpu/kernel_alignment, to enable or
disable warnings in case of kernel code causing alignment errors.
Signed-off by: Andre Draszik <andre.draszik@st.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/traps_32.c | 153 ++++++++++++++++++++++++++++++++++++++
1 file changed, 153 insertions(+)
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 866c7c7a8236..0ad356d00ac8 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -24,6 +24,7 @@
#include <linux/kdebug.h>
#include <linux/kexec.h>
#include <linux/limits.h>
+#include <linux/proc_fs.h>
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/fpu.h>
@@ -44,6 +45,87 @@
#define TRAP_ILLEGAL_SLOT_INST 13
#endif
+static unsigned long se_user;
+static unsigned long se_sys;
+static unsigned long se_skipped;
+static unsigned long se_half;
+static unsigned long se_word;
+static unsigned long se_dword;
+static unsigned long se_multi;
+/* bitfield: 1: warn 2: fixup 4: signal -> combinations 2|4 && 1|2|4 are not
+ valid! */
+static int se_usermode = 3;
+/* 0: no warning 1: print a warning message */
+static int se_kernmode_warn = 1;
+
+#ifdef CONFIG_PROC_FS
+static const char *se_usermode_action[] = {
+ "ignored",
+ "warn",
+ "fixup",
+ "fixup+warn",
+ "signal",
+ "signal+warn"
+};
+
+static int
+proc_alignment_read(char *page, char **start, off_t off, int count, int *eof,
+ void *data)
+{
+ char *p = page;
+ int len;
+
+ p += sprintf(p, "User:\t\t%lu\n", se_user);
+ p += sprintf(p, "System:\t\t%lu\n", se_sys);
+ p += sprintf(p, "Skipped:\t%lu\n", se_skipped);
+ p += sprintf(p, "Half:\t\t%lu\n", se_half);
+ p += sprintf(p, "Word:\t\t%lu\n", se_word);
+ p += sprintf(p, "DWord:\t\t%lu\n", se_dword);
+ p += sprintf(p, "Multi:\t\t%lu\n", se_multi);
+ p += sprintf(p, "User faults:\t%i (%s)\n", se_usermode,
+ se_usermode_action[se_usermode]);
+ p += sprintf(p, "Kernel faults:\t%i (fixup%s)\n", se_kernmode_warn,
+ se_kernmode_warn ? "+warn" : "");
+
+ len = (p - page) - off;
+ if (len < 0)
+ len = 0;
+
+ *eof = (len <= count) ? 1 : 0;
+ *start = page + off;
+
+ return len;
+}
+
+static int proc_alignment_write(struct file *file, const char __user *buffer,
+ unsigned long count, void *data)
+{
+ char mode;
+
+ if (count > 0) {
+ if (get_user(mode, buffer))
+ return -EFAULT;
+ if (mode >= '0' && mode <= '5')
+ se_usermode = mode - '0';
+ }
+ return count;
+}
+
+static int proc_alignment_kern_write(struct file *file, const char __user *buffer,
+ unsigned long count, void *data)
+{
+ char mode;
+
+ if (count > 0) {
+ if (get_user(mode, buffer))
+ return -EFAULT;
+ if (mode >= '0' && mode <= '1')
+ se_kernmode_warn = mode - '0';
+ }
+ return count;
+}
+#endif
+
static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
{
unsigned long p;
@@ -194,6 +276,13 @@ static int handle_unaligned_ins(insn_size_t instruction, struct pt_regs *regs,
count = 1<<(instruction&3);
+ switch (count) {
+ case 1: se_half += 1; break;
+ case 2: se_word += 1; break;
+ case 4: se_dword += 1; break;
+ case 8: se_multi += 1; break; /* ??? */
+ }
+
ret = -EFAULT;
switch (instruction>>12) {
case 0: /* mov.[bwl] to/from memory via r0+rn */
@@ -530,6 +619,27 @@ asmlinkage void do_address_error(struct pt_regs *regs,
local_irq_enable();
+ se_user += 1;
+
+ /* shout about userspace fixups */
+ if (se_usermode & 1)
+ printk(KERN_NOTICE "Unaligned userspace access "
+ "in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
+ current->comm, current->pid, (void *)regs->pc,
+ instruction);
+
+ if (se_usermode & 2)
+ goto fixup;
+
+ if (se_usermode & 4)
+ goto uspace_segv;
+ else {
+ /* ignore */
+ trace_mark(kernel_arch_trap_exit, MARK_NOARGS);
+ return;
+ }
+
+fixup:
/* bad PC is not something we can fix */
if (regs->pc & 1) {
si_code = BUS_ADRALN;
@@ -563,6 +673,14 @@ uspace_segv:
info.si_addr = (void __user *)address;
force_sig_info(SIGBUS, &info, current);
} else {
+ se_sys += 1;
+
+ if (se_kernmode_warn)
+ printk(KERN_NOTICE "Unaligned kernel access "
+ "on behalf of \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
+ current->comm, current->pid, (void *)regs->pc,
+ instruction);
+
if (regs->pc & 1)
die("unaligned program counter", regs, error_code);
@@ -872,3 +990,38 @@ void dump_stack(void)
show_stack(NULL, NULL);
}
EXPORT_SYMBOL(dump_stack);
+
+#ifdef CONFIG_PROC_FS
+/*
+ * This needs to be done after sysctl_init, otherwise sys/ will be
+ * overwritten. Actually, this shouldn't be in sys/ at all since
+ * it isn't a sysctl, and it doesn't contain sysctl information.
+ * We now locate it in /proc/cpu/alignment instead.
+ */
+static int __init alignment_init(void)
+{
+ struct proc_dir_entry *dir, *res;
+
+ dir = proc_mkdir("cpu", NULL);
+ if (!dir)
+ return -ENOMEM;
+
+ res = create_proc_entry("alignment", S_IWUSR | S_IRUGO, dir);
+ if (!res)
+ return -ENOMEM;
+
+ res->read_proc = proc_alignment_read;
+ res->write_proc = proc_alignment_write;
+
+ res = create_proc_entry("kernel_alignment", S_IWUSR | S_IRUGO, dir);
+ if (!res)
+ return -ENOMEM;
+
+ res->read_proc = proc_alignment_read;
+ res->write_proc = proc_alignment_kern_write;
+
+ return 0;
+}
+
+fs_initcall(alignment_init);
+#endif
--
GitLab
From 5a0ab35e43a6e3c69893c0091fe6a78ea8b3e443 Mon Sep 17 00:00:00 2001
From: Andre Draszik <andre.draszik@st.com>
Date: Mon, 24 Aug 2009 15:01:10 +0900
Subject: [PATCH 262/742] sh: cleanup of do_address_error()
This patch fixes a few problems with the existing code in do_address_error().
a) the variable used to printk()d the offending instruction wasn't
initialized correctly. This is a fix to bug 5727
b) behaviour for CONFIG_CPU_SH2A wasn't correct
c) the 'ignore address error' behaviour didn't update the PC, causing an
infinite loop.
Signed-off-by: Andre Draszik <andre.draszik@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/traps_32.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 0ad356d00ac8..c581dc31d92a 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -621,12 +621,21 @@ asmlinkage void do_address_error(struct pt_regs *regs,
se_user += 1;
+#ifndef CONFIG_CPU_SH2A
+ set_fs(USER_DS);
+ if (copy_from_user(&instruction, (u16 *)(regs->pc & ~1), 2)) {
+ set_fs(oldfs);
+ goto uspace_segv;
+ }
+ set_fs(oldfs);
+
/* shout about userspace fixups */
if (se_usermode & 1)
printk(KERN_NOTICE "Unaligned userspace access "
"in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
current->comm, current->pid, (void *)regs->pc,
instruction);
+#endif
if (se_usermode & 2)
goto fixup;
@@ -635,7 +644,7 @@ asmlinkage void do_address_error(struct pt_regs *regs,
goto uspace_segv;
else {
/* ignore */
- trace_mark(kernel_arch_trap_exit, MARK_NOARGS);
+ regs->pc += instruction_size(instruction);
return;
}
@@ -647,15 +656,6 @@ fixup:
}
set_fs(USER_DS);
- if (copy_from_user(&instruction, (void __user *)(regs->pc),
- sizeof(instruction))) {
- /* Argh. Fault on the instruction itself.
- This should never happen non-SMP
- */
- set_fs(oldfs);
- goto uspace_segv;
- }
-
tmp = handle_unaligned_access(instruction, regs,
&user_mem_access);
set_fs(oldfs);
--
GitLab
From 2fc742f8d64c68b4a175a1dcb28351b112d63315 Mon Sep 17 00:00:00 2001
From: Carl Shaw <carl.shaw@st.com>
Date: Mon, 24 Aug 2009 15:07:08 +0900
Subject: [PATCH 263/742] sh: Improve unwind info for signals
GCC does not issue unwind information for function epilogues.
Unfortunately we can catch a signal during an epilogue. The signal
handler writes the current context and signal return code onto the stack
overwriting previous contents. During unwinding, libgcc can try to
restore registers from the stack and restores corrupted ones. This can
lead to segmentation, misaligned access and sigbus faults.
For example, consider the following code:
mov.l r12,@-r15
mov.l r14,@-r15
sts.l pr,@-r15
mov r15,r14
<do stuff>
mov r14, r15
lds.l @r15+, pr
<<< SIGNAL HERE
mov.l @r15+, r14
mov.l @r15+, r12
rts
Unwind is aware that pr was pushed to stack in prolog, so tries to
restore it. Unfortunately it restores the last word of the signal
handler code placed on the stack by the kernel.
This patch tries to avoid the problem by adding a guard region on the
stack between where the function pushes data and where the signal handler
pushes its return code. We probably don't see this problem often because
exception handling unwinding in an epilogue only occurs due to a pthread
cancel signal. Also the kernel signal stack handler alignment of 8 bytes
could hide the occurance of this problem sometimes as the stack may not
be trampled at a particular required word.
This is not guaranteed to always work. It relies on a frame pointer
existing for the function (so it can get the correct sp value) which is
not always the case for the SH4.
Modifications will also be made to libgcc for the case where there is no
fp.
Signed-off-by: Carl Shaw <carl.shaw@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/signal_32.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index b5afbec1db59..6010750c90b4 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -40,6 +40,16 @@ struct fdpic_func_descriptor {
unsigned long GOT;
};
+/*
+ * The following define adds a 64 byte gap between the signal
+ * stack frame and previous contents of the stack. This allows
+ * frame unwinding in a function epilogue but only if a frame
+ * pointer is used in the function. This is necessary because
+ * current gcc compilers (<4.3) do not generate unwind info on
+ * SH for function epilogues.
+ */
+#define UNWINDGUARD 64
+
/*
* Atomically swap in the new signal mask, and wait for a signal.
*/
@@ -327,7 +337,7 @@ get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size)
sp = current->sas_ss_sp + current->sas_ss_size;
}
- return (void __user *)((sp - frame_size) & -8ul);
+ return (void __user *)((sp - (frame_size+UNWINDGUARD)) & -8ul);
}
/* These symbols are defined with the addresses in the vsyscall page.
--
GitLab
From 15444a8973dcfbd286b3e638cbadac2446a9271a Mon Sep 17 00:00:00 2001
From: David McKay <david.mckay@st.com>
Date: Mon, 24 Aug 2009 16:10:40 +0900
Subject: [PATCH 264/742] sh: Allow use of GENERIC_IOMAP
The synopsys PCI cell used in the later STMicro chips requires code to
be run in order to do IO cycles, rather than just memory mapping the IO
space. Rather than extending the existing SH infrastructure to allow
this, use the GENERIC_IOMAP implmentation to save re-inventing the
wheel.
This set of changes allows the SH to be built with GENERIC_IOMAP
enabled, it just ifdef's out the functions provided by the GENERIC_IOMAP
implementation, and provides a few required missing functions.
Signed-off-by: David McKay <david.mckay@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/drivers/pci/pci.c | 4 ++++
arch/sh/include/asm/io.h | 10 ++++++++++
arch/sh/kernel/io.c | 4 ++++
3 files changed, 18 insertions(+)
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 9a1c423ad167..c481df639022 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -295,6 +295,8 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
vma->vm_page_prot);
}
+#ifndef CONFIG_GENERIC_IOMAP
+
static void __iomem *ioport_map_pci(struct pci_dev *dev,
unsigned long port, unsigned int nr)
{
@@ -346,6 +348,8 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
}
EXPORT_SYMBOL(pci_iounmap);
+#endif /* CONFIG_GENERIC_IOMAP */
+
#ifdef CONFIG_HOTPLUG
EXPORT_SYMBOL(pcibios_resource_to_bus);
EXPORT_SYMBOL(pcibios_bus_to_resource);
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 25348141674b..aeecf432d48c 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -146,6 +146,7 @@ __BUILD_MEMORY_STRING(q, u64)
#define readl_relaxed(a) readl(a)
#define readq_relaxed(a) readq(a)
+#ifndef CONFIG_GENERIC_IOMAP
/* Simple MMIO */
#define ioread8(a) __raw_readb(a)
#define ioread16(a) __raw_readw(a)
@@ -166,6 +167,15 @@ __BUILD_MEMORY_STRING(q, u64)
#define iowrite8_rep(a, s, c) __raw_writesb((a), (s), (c))
#define iowrite16_rep(a, s, c) __raw_writesw((a), (s), (c))
#define iowrite32_rep(a, s, c) __raw_writesl((a), (s), (c))
+#endif
+
+#define mmio_insb(p,d,c) __raw_readsb(p,d,c)
+#define mmio_insw(p,d,c) __raw_readsw(p,d,c)
+#define mmio_insl(p,d,c) __raw_readsl(p,d,c)
+
+#define mmio_outsb(p,s,c) __raw_writesb(p,s,c)
+#define mmio_outsw(p,s,c) __raw_writesw(p,s,c)
+#define mmio_outsl(p,s,c) __raw_writesl(p,s,c)
/* synco on SH-4A, otherwise a nop */
#define mmiowb() wmb()
diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c
index 4f85fffaa557..d0ca9684b781 100644
--- a/arch/sh/kernel/io.c
+++ b/arch/sh/kernel/io.c
@@ -62,6 +62,8 @@ void memset_io(volatile void __iomem *dst, int c, unsigned long count)
}
EXPORT_SYMBOL(memset_io);
+#ifndef CONFIG_GENERIC_IOMAP
+
void __iomem *ioport_map(unsigned long port, unsigned int nr)
{
void __iomem *ret;
@@ -79,3 +81,5 @@ void ioport_unmap(void __iomem *addr)
sh_mv.mv_ioport_unmap(addr);
}
EXPORT_SYMBOL(ioport_unmap);
+
+#endif /* CONFIG_GENERIC_IOMAP */
--
GitLab
From 27a30f53bbb77fd7e2e0459197e23b63fe3b74d4 Mon Sep 17 00:00:00 2001
From: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Date: Mon, 24 Aug 2009 16:14:03 +0900
Subject: [PATCH 265/742] sh: kgdb: do not reload VBR while handling debugger
breackpoint
Save the VBR allowing GDB to dump full registers set but do not reload it
as soon as the kgdb_handle_exception is invoked.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/kgdb.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
index 305aad742aec..d29de7864f32 100644
--- a/arch/sh/kernel/kgdb.c
+++ b/arch/sh/kernel/kgdb.c
@@ -195,8 +195,6 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
regs->gbr = gdb_regs[GDB_GBR];
regs->mach = gdb_regs[GDB_MACH];
regs->macl = gdb_regs[GDB_MACL];
-
- __asm__ __volatile__ ("ldc %0, vbr" : : "r" (gdb_regs[GDB_VBR]));
}
void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
--
GitLab
From b46373e0d4b9f714ab757aae0c19c41fbcc73ef5 Mon Sep 17 00:00:00 2001
From: Jon Frosdick <jon.frosdick@st.com>
Date: Mon, 24 Aug 2009 16:20:44 +0900
Subject: [PATCH 266/742] sh: Use internal watchdog timer to perform reset
This patches will trigger a reboot using the watchdog
timer instead of double fault. Unlike the previous
method, this one actually works in 32 bit mode.
Reset should also be cleaner.
Signed-off-by: Jon Frosdick <jon.frosdick@st.com>
Signed-off-by: Carl Shaw <carl.shaw@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/process_32.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 9fee977f176b..0673c4746be3 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -32,15 +32,35 @@
#include <asm/ubc.h>
#include <asm/fpu.h>
#include <asm/syscalls.h>
+#include <asm/watchdog.h>
int ubc_usercnt = 0;
+#ifdef CONFIG_32BIT
+static void watchdog_trigger_immediate(void)
+{
+ sh_wdt_write_cnt(0xFF);
+ sh_wdt_write_csr(0xC2);
+}
+
+void machine_restart(char * __unused)
+{
+ local_irq_disable();
+
+ /* Use watchdog timer to trigger reset */
+ watchdog_trigger_immediate();
+
+ while (1)
+ cpu_sleep();
+}
+#else
void machine_restart(char * __unused)
{
/* SR.BL=1 and invoke address error to let CPU reset (manual reset) */
asm volatile("ldc %0, sr\n\t"
"mov.l @%1, %0" : : "r" (0x10000000), "r" (0x80000001));
}
+#endif
void machine_halt(void)
{
--
GitLab
From d724a9c9d572e092d1ce820463f082697487b874 Mon Sep 17 00:00:00 2001
From: Pawel Moll <pawel.moll@st.com>
Date: Mon, 24 Aug 2009 16:25:38 +0900
Subject: [PATCH 267/742] sh: Allow for kernel command line concatenation.
So far kernel command line arguments could be passed in by a bootloader
or defined as CONFIG_CMDLINE, which completely overwriting the first one.
This change allows a developer to declare selected kernel parameters in
a kernel configuration (eg. project-specific defconfig), retaining
possibility of passing others by a bootloader.
The obvious examples of the first type are MTD partition or
bigphysarea-like region definitions, while "debug" option or network
configuration should be given by a bootloader or a JTAG boot script.
Signed-off-by: Pawel Moll <pawel.moll@st.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 27 +++++++++++++++++++++++----
arch/sh/kernel/setup.c | 6 +++++-
2 files changed, 28 insertions(+), 5 deletions(-)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 80b4f9a743a1..2f5352c06a0e 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -767,12 +767,31 @@ config UBC_WAKEUP
If unsure, say N.
-config CMDLINE_BOOL
- bool "Default bootloader kernel arguments"
+choice
+ prompt "Kernel command line"
+ optional
+ default CMDLINE_OVERWRITE
+ help
+ Setting this option allows the kernel command line arguments
+ to be set.
+
+config CMDLINE_OVERWRITE
+ bool "Overwrite bootloader kernel arguments"
+ help
+ Given string will overwrite any arguments passed in by
+ a bootloader.
+
+config CMDLINE_EXTEND
+ bool "Extend bootloader kernel arguments"
+ help
+ Given string will be concatenated with arguments passed in
+ by a bootloader.
+
+endchoice
config CMDLINE
- string "Initial kernel command string"
- depends on CMDLINE_BOOL
+ string "Kernel command line arguments string"
+ depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND
default "console=ttySC1,115200"
endmenu
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 212e6bddaeb8..d13bbafb4e1b 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -404,10 +404,14 @@ void __init setup_arch(char **cmdline_p)
if (!memory_end)
memory_end = memory_start + __MEMORY_SIZE;
-#ifdef CONFIG_CMDLINE_BOOL
+#ifdef CONFIG_CMDLINE_OVERWRITE
strlcpy(command_line, CONFIG_CMDLINE, sizeof(command_line));
#else
strlcpy(command_line, COMMAND_LINE, sizeof(command_line));
+#ifdef CONFIG_CMDLINE_EXTEND
+ strlcat(command_line, " ", sizeof(command_line));
+ strlcat(command_line, CONFIG_CMDLINE, sizeof(command_line));
+#endif
#endif
/* Save unparsed command line copy for /proc/cmdline */
--
GitLab
From fea966f7564205fcf5919af9bde031e753419c96 Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 17:09:53 +0900
Subject: [PATCH 268/742] sh: Remove implicit sign extension from assembler
immediates
The SH instruction set has several instructions which accept an 8 bit
immediate operand. For logical instructions this operand is zero extended,
for arithmetic instructions the operand is sign extended. After adding an
option to the assembler to check this, it was found that several pieces
of assembly code were assuming this behaviour, and in one case
getting it wrong.
So this patch explicitly sign extends any immediate operands, which makes
it obvious what is happening, and fixes the one case which got it wrong.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boot/compressed/head_32.S | 2 +-
arch/sh/include/asm/entry-macros.S | 2 +-
arch/sh/kernel/cpu/sh3/entry.S | 2 +-
arch/sh/kernel/entry-common.S | 5 +++--
arch/sh/lib/clear_page.S | 2 +-
5 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/arch/sh/boot/compressed/head_32.S b/arch/sh/boot/compressed/head_32.S
index 06ac31f3be88..02a30935f0b9 100644
--- a/arch/sh/boot/compressed/head_32.S
+++ b/arch/sh/boot/compressed/head_32.S
@@ -22,7 +22,7 @@ startup:
bt clear_bss
sub r0, r2
mov.l bss_start_addr, r0
- mov #0xe0, r1
+ mov #0xffffffe0, r1
and r1, r0 ! align cache line
mov.l text_start_addr, r3
mov r0, r1
diff --git a/arch/sh/include/asm/entry-macros.S b/arch/sh/include/asm/entry-macros.S
index 64fd0de24daf..cc43a55e1fcf 100644
--- a/arch/sh/include/asm/entry-macros.S
+++ b/arch/sh/include/asm/entry-macros.S
@@ -7,7 +7,7 @@
.endm
.macro sti
- mov #0xf0, r11
+ mov #0xfffffff0, r11
extu.b r11, r11
not r11, r11
stc sr, r10
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index 8c19e21847d7..9421ec715fd2 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -257,7 +257,7 @@ restore_all:
!
! Calculate new SR value
mov k3, k2 ! original SR value
- mov #0xf0, k1
+ mov #0xfffffff0, k1
extu.b k1, k1
not k1, k1
and k1, k2 ! Mask original SR value
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index 700477601c6f..68d9223b145e 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -98,8 +98,9 @@ need_resched:
mov #OFF_SR, r0
mov.l @(r0,r15), r0 ! get status register
- and #0xf0, r0 ! interrupts off (exception path)?
- cmp/eq #0xf0, r0
+ shlr r0
+ and #(0xf0>>1), r0 ! interrupts off (exception path)?
+ cmp/eq #(0xf0>>1), r0
bt noresched
mov.l 3f, r0
jsr @r0 ! call preempt_schedule_irq
diff --git a/arch/sh/lib/clear_page.S b/arch/sh/lib/clear_page.S
index 8342bfbde64c..c92244d4ff9d 100644
--- a/arch/sh/lib/clear_page.S
+++ b/arch/sh/lib/clear_page.S
@@ -57,7 +57,7 @@ ENTRY(clear_page)
ENTRY(__clear_user)
!
mov #0, r0
- mov #0xe0, r1 ! 0xffffffe0
+ mov #0xffffffe0, r1
!
! r4..(r4+31)&~32 -------- not aligned [ Area 0 ]
! (r4+31)&~32..(r4+r5)&~32 -------- aligned [ Area 1 ]
--
GitLab
From 7d9c035150897c2bebedae280505513dbdef2abc Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 17:13:52 +0900
Subject: [PATCH 269/742] sh: Read from CCN_PVR instead of ROM for delay.
Reading from the ROM is not a good idea as it could disturb some
flash operation that it is in progress.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/io.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index aeecf432d48c..5be45ea4dfec 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -92,8 +92,12 @@
static inline void ctrl_delay(void)
{
-#ifdef P2SEG
+#ifdef CONFIG_CPU_SH4
+ __raw_readw(CCN_PVR);
+#elif defined(P2SEG)
__raw_readw(P2SEG);
+#else
+#error "Need a dummy address for delay"
#endif
}
--
GitLab
From 8af57f8b4c0ada9063b1cee9d81e3e59f04ce5a2 Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 17:26:39 +0900
Subject: [PATCH 270/742] sh: generic_in/outs{bwl} optimizations.
After performing the port2addr conversion, and checking that the data is
correctly aligned, simply call __raw_readsX/writesX. These have already been
optimised.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/io_generic.c | 50 ++++++-------------------------------
1 file changed, 8 insertions(+), 42 deletions(-)
diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c
index 5a7f554d9ca1..4ff507239286 100644
--- a/arch/sh/kernel/io_generic.c
+++ b/arch/sh/kernel/io_generic.c
@@ -73,35 +73,19 @@ u32 generic_inl_p(unsigned long port)
void generic_insb(unsigned long port, void *dst, unsigned long count)
{
- volatile u8 *port_addr;
- u8 *buf = dst;
-
- port_addr = (volatile u8 __force *)__ioport_map(port, 1);
- while (count--)
- *buf++ = *port_addr;
+ __raw_readsb(__ioport_map(port, 1), dst, count);
+ dummy_read();
}
void generic_insw(unsigned long port, void *dst, unsigned long count)
{
- volatile u16 *port_addr;
- u16 *buf = dst;
-
- port_addr = (volatile u16 __force *)__ioport_map(port, 2);
- while (count--)
- *buf++ = *port_addr;
-
+ __raw_readsw(__ioport_map(port, 2), dst, count);
dummy_read();
}
void generic_insl(unsigned long port, void *dst, unsigned long count)
{
- volatile u32 *port_addr;
- u32 *buf = dst;
-
- port_addr = (volatile u32 __force *)__ioport_map(port, 4);
- while (count--)
- *buf++ = *port_addr;
-
+ __raw_readsl(__ioport_map(port, 4), dst, count);
dummy_read();
}
@@ -145,37 +129,19 @@ void generic_outl_p(u32 b, unsigned long port)
*/
void generic_outsb(unsigned long port, const void *src, unsigned long count)
{
- volatile u8 *port_addr;
- const u8 *buf = src;
-
- port_addr = (volatile u8 __force *)__ioport_map(port, 1);
-
- while (count--)
- *port_addr = *buf++;
+ __raw_writesb(__ioport_map(port, 1), src, count);
+ dummy_read();
}
void generic_outsw(unsigned long port, const void *src, unsigned long count)
{
- volatile u16 *port_addr;
- const u16 *buf = src;
-
- port_addr = (volatile u16 __force *)__ioport_map(port, 2);
-
- while (count--)
- *port_addr = *buf++;
-
+ __raw_writesw(__ioport_map(port, 2), src, count);
dummy_read();
}
void generic_outsl(unsigned long port, const void *src, unsigned long count)
{
- volatile u32 *port_addr;
- const u32 *buf = src;
-
- port_addr = (volatile u32 __force *)__ioport_map(port, 4);
- while (count--)
- *port_addr = *buf++;
-
+ __raw_writesl(__ioport_map(port, 4), src, count);
dummy_read();
}
--
GitLab
From 5e9377ec6f84e5334e9347e84e77d34e9a089ca7 Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 17:35:07 +0900
Subject: [PATCH 271/742] sh: Optimise memcpy_to/fromio for SH4
Optimise memcpy_to/fromio. This is used extensivly by MTD, so is a
worthwhile performance gain. The main savings come from not repeatedly
calling readl/writel, and doing word instead of byte at a time
transfers. Also using "movca.l" on SH4 gives a small performance win.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/io.c | 93 +++++++++++++++++++++++++++++++++++----------
1 file changed, 72 insertions(+), 21 deletions(-)
diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c
index d0ca9684b781..4770c241c679 100644
--- a/arch/sh/kernel/io.c
+++ b/arch/sh/kernel/io.c
@@ -1,12 +1,9 @@
/*
- * linux/arch/sh/kernel/io.c
+ * arch/sh/kernel/io.c - Machine independent I/O functions.
*
- * Copyright (C) 2000 Stuart Menefy
+ * Copyright (C) 2000 - 2009 Stuart Menefy
* Copyright (C) 2005 Paul Mundt
*
- * Provide real functions which expand to whatever the header file defined.
- * Also definitions of machine independent IO functions.
- *
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
@@ -18,33 +15,87 @@
/*
* Copy data from IO memory space to "real" memory space.
- * This needs to be optimized.
*/
void memcpy_fromio(void *to, const volatile void __iomem *from, unsigned long count)
{
- unsigned char *p = to;
- while (count) {
- count--;
- *p = readb(from);
- p++;
- from++;
- }
+ /*
+ * Would it be worthwhile doing byte and long transfers first
+ * to try and get aligned?
+ */
+#ifdef CONFIG_CPU_SH4
+ if ((count >= 0x20) &&
+ (((u32)to & 0x1f) == 0) && (((u32)from & 0x3) == 0)) {
+ int tmp2, tmp3, tmp4, tmp5, tmp6;
+
+ __asm__ __volatile__(
+ "1: \n\t"
+ "mov.l @%7+, r0 \n\t"
+ "mov.l @%7+, %2 \n\t"
+ "movca.l r0, @%0 \n\t"
+ "mov.l @%7+, %3 \n\t"
+ "mov.l @%7+, %4 \n\t"
+ "mov.l @%7+, %5 \n\t"
+ "mov.l @%7+, %6 \n\t"
+ "mov.l @%7+, r7 \n\t"
+ "mov.l @%7+, r0 \n\t"
+ "mov.l %2, @(0x04,%0) \n\t"
+ "mov #0x20, %2 \n\t"
+ "mov.l %3, @(0x08,%0) \n\t"
+ "sub %2, %1 \n\t"
+ "mov.l %4, @(0x0c,%0) \n\t"
+ "cmp/hi %1, %2 ! T if 32 > count \n\t"
+ "mov.l %5, @(0x10,%0) \n\t"
+ "mov.l %6, @(0x14,%0) \n\t"
+ "mov.l r7, @(0x18,%0) \n\t"
+ "mov.l r0, @(0x1c,%0) \n\t"
+ "bf.s 1b \n\t"
+ " add #0x20, %0 \n\t"
+ : "=&r" (to), "=&r" (count),
+ "=&r" (tmp2), "=&r" (tmp3), "=&r" (tmp4),
+ "=&r" (tmp5), "=&r" (tmp6), "=&r" (from)
+ : "7"(from), "0" (to), "1" (count)
+ : "r0", "r7", "t", "memory");
+ }
+#endif
+
+ if ((((u32)to | (u32)from) & 0x3) == 0) {
+ for (; count > 3; count -= 4) {
+ *(u32 *)to = *(volatile u32 *)from;
+ to += 4;
+ from += 4;
+ }
+ }
+
+ for (; count > 0; count--) {
+ *(u8 *)to = *(volatile u8 *)from;
+ to++;
+ from++;
+ }
+
+ mb();
}
EXPORT_SYMBOL(memcpy_fromio);
/*
* Copy data from "real" memory space to IO memory space.
- * This needs to be optimized.
*/
void memcpy_toio(volatile void __iomem *to, const void *from, unsigned long count)
{
- const unsigned char *p = from;
- while (count) {
- count--;
- writeb(*p, to);
- p++;
- to++;
- }
+ if ((((u32)to | (u32)from) & 0x3) == 0) {
+ for ( ; count > 3; count -= 4) {
+ *(volatile u32 *)to = *(u32 *)from;
+ to += 4;
+ from += 4;
+ }
+ }
+
+ for (; count > 0; count--) {
+ *(volatile u8 *)to = *(u8 *)from;
+ to++;
+ from++;
+ }
+
+ mb();
}
EXPORT_SYMBOL(memcpy_toio);
--
GitLab
From a5cf9e2444ec15de5407696ff21c32dd21ca0a8d Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 17:36:24 +0900
Subject: [PATCH 272/742] sh: Improve comments int SH4 cache flushing code
This is a pure documentation, to try to explain why the cache flushing code
for the SH4 is implemented the way it is.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh4.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 5cfe08dbb59e..7ce816188313 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -581,6 +581,17 @@ static void __flush_cache_4096(unsigned long addr, unsigned long phys,
* Break the 1, 2 and 4 way variants of this out into separate functions to
* avoid nearly all the overhead of having the conditional stuff in the function
* bodies (+ the 1 and 2 way cases avoid saving any registers too).
+ *
+ * We want to eliminate unnecessary bus transactions, so this code uses
+ * a non-obvious technique.
+ *
+ * Loop over a cache way sized block of, one cache line at a time. For each
+ * line, use movca.a to cause the current cache line contents to be written
+ * back, but without reading anything from main memory. However this has the
+ * side effect that the cache is now caching that memory location. So follow
+ * this with a cache invalidate to mark the cache line invalid. And do all
+ * this with interrupts disabled, to avoid the cache line being accidently
+ * evicted while it is holding garbage.
*/
static void __flush_dcache_segment_1way(unsigned long start,
unsigned long extent_per_way)
--
GitLab
From 6d243dd37002bcee54841852ab1b8606fd457851 Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 18:16:56 +0900
Subject: [PATCH 273/742] sh: Add sys_cacheflush() call for SH CPUs.
Adds a system call to allow user code to flush code from the cache.
You can use instructions for the data side, but the iside can
only be done by a flush ROM which really only works with a direct
mapped cache. The later SH4's have 2 way Iside, so this call allows
a portable way to flush the cache.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/Kbuild | 2 +-
arch/sh/include/asm/cachectl.h | 12 +++++++++
arch/sh/include/asm/unistd_32.h | 2 +-
arch/sh/include/asm/unistd_64.h | 2 +-
arch/sh/kernel/sys_sh.c | 43 +++++++++++++++++++++++++++++++++
arch/sh/kernel/syscalls_32.S | 2 +-
arch/sh/kernel/syscalls_64.S | 2 +-
7 files changed, 60 insertions(+), 5 deletions(-)
create mode 100644 arch/sh/include/asm/cachectl.h
diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild
index 43910cdf78a5..e121c30f797d 100644
--- a/arch/sh/include/asm/Kbuild
+++ b/arch/sh/include/asm/Kbuild
@@ -1,6 +1,6 @@
include include/asm-generic/Kbuild.asm
-header-y += cpu-features.h
+header-y += cachectl.h cpu-features.h
unifdef-y += unistd_32.h
unifdef-y += unistd_64.h
diff --git a/arch/sh/include/asm/cachectl.h b/arch/sh/include/asm/cachectl.h
new file mode 100644
index 000000000000..305dd7082a66
--- /dev/null
+++ b/arch/sh/include/asm/cachectl.h
@@ -0,0 +1,12 @@
+#ifndef _SH_CACHECTL_H
+#define _SH_CACHECTL_H
+
+/* Definitions for the cacheflush system call. */
+
+#define CACHEFLUSH_D_INVAL 0x1 /* invalidate (without write back) */
+#define CACHEFLUSH_D_WB 0x2 /* write back (without invalidate) */
+#define CACHEFLUSH_D_PURGE 0x3 /* writeback and invalidate */
+
+#define CACHEFLUSH_I 0x4
+
+#endif /* _SH_CACHECTL_H */
diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h
index 61d6ad93d786..925dd40d9d55 100644
--- a/arch/sh/include/asm/unistd_32.h
+++ b/arch/sh/include/asm/unistd_32.h
@@ -132,7 +132,7 @@
#define __NR_clone 120
#define __NR_setdomainname 121
#define __NR_uname 122
-#define __NR_modify_ldt 123
+#define __NR_cacheflush 123
#define __NR_adjtimex 124
#define __NR_mprotect 125
#define __NR_sigprocmask 126
diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h
index a751699afda3..2b84bc916bc5 100644
--- a/arch/sh/include/asm/unistd_64.h
+++ b/arch/sh/include/asm/unistd_64.h
@@ -137,7 +137,7 @@
#define __NR_clone 120
#define __NR_setdomainname 121
#define __NR_uname 122
-#define __NR_modify_ldt 123
+#define __NR_cacheflush 123
#define __NR_adjtimex 124
#define __NR_mprotect 125
#define __NR_sigprocmask 126
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 90d00e47264d..ec65dd8842b1 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -25,6 +25,8 @@
#include <asm/syscalls.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
+#include <asm/cacheflush.h>
+#include <asm/cachectl.h>
static inline long
do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
@@ -179,6 +181,47 @@ asmlinkage int sys_ipc(uint call, int first, int second,
return -EINVAL;
}
+/* sys_cacheflush -- flush (part of) the processor cache. */
+asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op)
+{
+ struct vm_area_struct *vma;
+
+ if ((op < 0) || (op > (CACHEFLUSH_D_PURGE|CACHEFLUSH_I)))
+ return -EINVAL;
+
+ /*
+ * Verify that the specified address region actually belongs
+ * to this process.
+ */
+ if (addr + len < addr)
+ return -EFAULT;
+
+ down_read(¤t->mm->mmap_sem);
+ vma = find_vma (current->mm, addr);
+ if (vma == NULL || addr < vma->vm_start || addr + len > vma->vm_end) {
+ up_read(¤t->mm->mmap_sem);
+ return -EFAULT;
+ }
+
+ switch (op & CACHEFLUSH_D_PURGE) {
+ case CACHEFLUSH_D_INVAL:
+ __flush_invalidate_region((void *)addr, len);
+ break;
+ case CACHEFLUSH_D_WB:
+ __flush_wback_region((void *)addr, len);
+ break;
+ case CACHEFLUSH_D_PURGE:
+ __flush_purge_region((void *)addr, len);
+ break;
+ }
+
+ if (op & CACHEFLUSH_I)
+ flush_cache_all();
+
+ up_read(¤t->mm->mmap_sem);
+ return 0;
+}
+
asmlinkage int sys_uname(struct old_utsname __user *name)
{
int err;
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index f9e21fa2f592..16ba225ede89 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -139,7 +139,7 @@ ENTRY(sys_call_table)
.long sys_clone /* 120 */
.long sys_setdomainname
.long sys_newuname
- .long sys_ni_syscall /* sys_modify_ldt */
+ .long sys_cacheflush /* x86: sys_modify_ldt */
.long sys_adjtimex
.long sys_mprotect /* 125 */
.long sys_sigprocmask
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index bf420b616ae0..af6fb7410c21 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -143,7 +143,7 @@ sys_call_table:
.long sys_clone /* 120 */
.long sys_setdomainname
.long sys_newuname
- .long sys_ni_syscall /* sys_modify_ldt */
+ .long sys_cacheflush /* x86: sys_modify_ldt */
.long sys_adjtimex
.long sys_mprotect /* 125 */
.long sys_sigprocmask
--
GitLab
From bd4fb4d4c1e4a5a2ffbf57a83817a749df1339dd Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 18:18:50 +0900
Subject: [PATCH 274/742] sh: Fix underflow in SH udelay() code.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/lib/delay.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/sh/lib/delay.c b/arch/sh/lib/delay.c
index f3ddd2133e6f..faa8f86c0db4 100644
--- a/arch/sh/lib/delay.c
+++ b/arch/sh/lib/delay.c
@@ -21,13 +21,14 @@ void __delay(unsigned long loops)
inline void __const_udelay(unsigned long xloops)
{
+ xloops *= 4;
__asm__("dmulu.l %0, %2\n\t"
"sts mach, %0"
: "=r" (xloops)
: "0" (xloops),
- "r" (HZ * cpu_data[raw_smp_processor_id()].loops_per_jiffy)
+ "r" (cpu_data[raw_smp_processor_id()].loops_per_jiffy * (HZ/4))
: "macl", "mach");
- __delay(xloops);
+ __delay(++xloops);
}
void __udelay(unsigned long usecs)
--
GitLab
From 6000fc4d6f3e55ad52cce8d76317187fe01af2aa Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 18:27:33 +0900
Subject: [PATCH 275/742] sh: Fixes some write posting issues in the interrupt
handling for SH
It is possible for the CPU to re-enable it's interrupt block bit
before the write to the interrupt controller has actually masked out
the external interupt at the controller. We get around this by
reading back from the interrupt controller which will ensure the
write has happened.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/irq/ipr.c | 1 +
drivers/sh/intc.c | 8 +++++++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index 808d99a48efb..c1508a90fc6a 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -35,6 +35,7 @@ static void disable_ipr_irq(unsigned int irq)
unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx];
/* Set the priority in IPR to 0 */
__raw_writew(__raw_readw(addr) & (0xffff ^ (0xf << p->shift)), addr);
+ (void)__raw_readw(addr); /* Read back to flush write posting */
}
static void enable_ipr_irq(unsigned int irq)
diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c
index 3dd231a643b5..4b1ca9d28353 100644
--- a/drivers/sh/intc.c
+++ b/drivers/sh/intc.c
@@ -77,7 +77,7 @@ static unsigned long ack_handle[NR_IRQS];
static inline struct intc_desc_int *get_intc_desc(unsigned int irq)
{
struct irq_chip *chip = get_irq_chip(irq);
- return (void *)((char *)chip - offsetof(struct intc_desc_int, chip));
+ return container_of(chip, struct intc_desc_int, chip);
}
static inline unsigned int set_field(unsigned int value,
@@ -95,16 +95,19 @@ static inline unsigned int set_field(unsigned int value,
static void write_8(unsigned long addr, unsigned long h, unsigned long data)
{
__raw_writeb(set_field(0, data, h), addr);
+ (void)__raw_readb(addr); /* Defeat write posting */
}
static void write_16(unsigned long addr, unsigned long h, unsigned long data)
{
__raw_writew(set_field(0, data, h), addr);
+ (void)__raw_readw(addr); /* Defeat write posting */
}
static void write_32(unsigned long addr, unsigned long h, unsigned long data)
{
__raw_writel(set_field(0, data, h), addr);
+ (void)__raw_readl(addr); /* Defeat write posting */
}
static void modify_8(unsigned long addr, unsigned long h, unsigned long data)
@@ -112,6 +115,7 @@ static void modify_8(unsigned long addr, unsigned long h, unsigned long data)
unsigned long flags;
local_irq_save(flags);
__raw_writeb(set_field(__raw_readb(addr), data, h), addr);
+ (void)__raw_readb(addr); /* Defeat write posting */
local_irq_restore(flags);
}
@@ -120,6 +124,7 @@ static void modify_16(unsigned long addr, unsigned long h, unsigned long data)
unsigned long flags;
local_irq_save(flags);
__raw_writew(set_field(__raw_readw(addr), data, h), addr);
+ (void)__raw_readw(addr); /* Defeat write posting */
local_irq_restore(flags);
}
@@ -128,6 +133,7 @@ static void modify_32(unsigned long addr, unsigned long h, unsigned long data)
unsigned long flags;
local_irq_save(flags);
__raw_writel(set_field(__raw_readl(addr), data, h), addr);
+ (void)__raw_readl(addr); /* Defeat write posting */
local_irq_restore(flags);
}
--
GitLab
From a1fce732359b80ead84efba23059a5f1b572b85a Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 18:29:25 +0900
Subject: [PATCH 276/742] sh: Fix overzealous checking in __ioremap()
Allow peripherals before the start of RAM to be remapped.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/ioremap_32.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/arch/sh/mm/ioremap_32.c b/arch/sh/mm/ioremap_32.c
index da2f4186f2cd..c3250614e3ae 100644
--- a/arch/sh/mm/ioremap_32.c
+++ b/arch/sh/mm/ioremap_32.c
@@ -57,14 +57,6 @@ void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,
if (is_pci_memory_fixed_range(phys_addr, size))
return (void __iomem *)phys_addr;
-#if !defined(CONFIG_PMB_FIXED)
- /*
- * Don't allow anybody to remap normal RAM that we're using..
- */
- if (phys_addr < virt_to_phys(high_memory))
- return NULL;
-#endif
-
/*
* Mappings have to be page-aligned
*/
--
GitLab
From ffad9d7a54a5e809007135595c778715aa0fb07a Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Mon, 24 Aug 2009 18:39:39 +0900
Subject: [PATCH 277/742] sh: Fix problems with cache flushing when cache is in
write-through mode
Change the method used to flush the cache in write-through mode to
avoid corrupted data being written back to memory.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh4.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 7ce816188313..397c1030c7a6 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -592,6 +592,20 @@ static void __flush_cache_4096(unsigned long addr, unsigned long phys,
* this with a cache invalidate to mark the cache line invalid. And do all
* this with interrupts disabled, to avoid the cache line being accidently
* evicted while it is holding garbage.
+ *
+ * This also breaks in a number of circumstances:
+ * - if there are modifications to the region of memory just above
+ * empty_zero_page (for example because a breakpoint has been placed
+ * there), then these can be lost.
+ *
+ * This is because the the memory address which the cache temporarily
+ * caches in the above description is empty_zero_page. So the
+ * movca.l hits the cache (it is assumed that it misses, or at least
+ * isn't dirty), modifies the line and then invalidates it, losing the
+ * required change.
+ *
+ * - If caches are disabled or configured in write-through mode, then
+ * the movca.l writes garbage directly into memory.
*/
static void __flush_dcache_segment_1way(unsigned long start,
unsigned long extent_per_way)
@@ -641,6 +655,25 @@ static void __flush_dcache_segment_1way(unsigned long start,
} while (a0 < a0e);
}
+#ifdef CONFIG_CACHE_WRITETHROUGH
+/* This method of cache flushing avoids the problems discussed
+ * in the comment above if writethrough caches are enabled. */
+static void __flush_dcache_segment_2way(unsigned long start,
+ unsigned long extent_per_way)
+{
+ unsigned long array_addr;
+
+ array_addr = CACHE_OC_ADDRESS_ARRAY |
+ (start & cpu_data->dcache.entry_mask);
+
+ while (extent_per_way) {
+ ctrl_outl(0, array_addr);
+ ctrl_outl(0, array_addr + cpu_data->dcache.way_incr);
+ array_addr += cpu_data->dcache.linesz;
+ extent_per_way -= cpu_data->dcache.linesz;
+ }
+}
+#else
static void __flush_dcache_segment_2way(unsigned long start,
unsigned long extent_per_way)
{
@@ -699,6 +732,7 @@ static void __flush_dcache_segment_2way(unsigned long start,
a1 += linesz;
} while (a0 < a0e);
}
+#endif
static void __flush_dcache_segment_4way(unsigned long start,
unsigned long extent_per_way)
--
GitLab
From 788e6af37a4ace8721eda72e4abe66fe0f6b49fd Mon Sep 17 00:00:00 2001
From: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Date: Mon, 24 Aug 2009 18:59:09 +0900
Subject: [PATCH 278/742] sh: fix sys_cacheflush error checking
sys_cacheflush should return with EINVAL if the cache parameter is not
one of ICACHE, DCACHE or BCACHE.
So, we need to include 0 in the first check.
It also adds the three definitions above as wrapper of the existent macros.
PS: ltp cacheflush01 test now passes.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cachectl.h | 7 +++++++
arch/sh/kernel/sys_sh.c | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/sh/include/asm/cachectl.h b/arch/sh/include/asm/cachectl.h
index 305dd7082a66..6ffb4b7a212e 100644
--- a/arch/sh/include/asm/cachectl.h
+++ b/arch/sh/include/asm/cachectl.h
@@ -9,4 +9,11 @@
#define CACHEFLUSH_I 0x4
+/*
+ * Options for cacheflush system call
+ */
+#define ICACHE CACHEFLUSH_I /* flush instruction cache */
+#define DCACHE CACHEFLUSH_D_PURGE /* writeback and flush data cache */
+#define BCACHE (ICACHE|DCACHE) /* flush both caches */
+
#endif /* _SH_CACHECTL_H */
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index ec65dd8842b1..8aa5d1ceaf14 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -186,7 +186,7 @@ asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op)
{
struct vm_area_struct *vma;
- if ((op < 0) || (op > (CACHEFLUSH_D_PURGE|CACHEFLUSH_I)))
+ if ((op <= 0) || (op > (CACHEFLUSH_D_PURGE|CACHEFLUSH_I)))
return -EINVAL;
/*
--
GitLab
From 05ecd5a1f76c183cca381705b3adb7d77c9a0439 Mon Sep 17 00:00:00 2001
From: Pawel Moll <pawel.moll@st.com>
Date: Mon, 24 Aug 2009 19:52:38 +0900
Subject: [PATCH 279/742] sh: Simplify "multi-evt" interrupt handling.
This patch changes the way in which "multi-evt" interrups are handled.
The intc_evt2irq_table and related intc_evt2irq() have been removed and
the "redirecting" handler is installed for the coupled interrupts.
Thanks to that the do_IRQ() function don't have to use another level
of indirection for all the interrupts...
Signed-off-by: Pawel Moll <pawel.moll@st.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/irq.c | 2 +-
drivers/sh/intc.c | 54 +++++++++++++----------------------------
include/linux/sh_intc.h | 1 -
3 files changed, 18 insertions(+), 39 deletions(-)
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 278c68c60488..d1053392e287 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -114,7 +114,7 @@ asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs)
#endif
irq_enter();
- irq = irq_demux(intc_evt2irq(irq));
+ irq = irq_demux(evt2irq(irq));
#ifdef CONFIG_IRQSTACKS
curctx = (union irq_ctx *)current_thread_info();
diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c
index 4b1ca9d28353..a9174ec72853 100644
--- a/drivers/sh/intc.c
+++ b/drivers/sh/intc.c
@@ -663,16 +663,9 @@ static unsigned int __init save_reg(struct intc_desc_int *d,
return 0;
}
-static unsigned char *intc_evt2irq_table;
-
-unsigned int intc_evt2irq(unsigned int vector)
+static void intc_redirect_irq(unsigned int irq, struct irq_desc *desc)
{
- unsigned int irq = evt2irq(vector);
-
- if (intc_evt2irq_table && intc_evt2irq_table[irq])
- irq = intc_evt2irq_table[irq];
-
- return irq;
+ generic_handle_irq((unsigned int)get_irq_data(irq));
}
void __init register_intc_controller(struct intc_desc *desc)
@@ -745,34 +738,6 @@ void __init register_intc_controller(struct intc_desc *desc)
BUG_ON(k > 256); /* _INTC_ADDR_E() and _INTC_ADDR_D() are 8 bits */
- /* keep the first vector only if same enum is used multiple times */
- for (i = 0; i < desc->nr_vectors; i++) {
- struct intc_vect *vect = desc->vectors + i;
- int first_irq = evt2irq(vect->vect);
-
- if (!vect->enum_id)
- continue;
-
- for (k = i + 1; k < desc->nr_vectors; k++) {
- struct intc_vect *vect2 = desc->vectors + k;
-
- if (vect->enum_id != vect2->enum_id)
- continue;
-
- vect2->enum_id = 0;
-
- if (!intc_evt2irq_table)
- intc_evt2irq_table = kzalloc(NR_IRQS, GFP_NOWAIT);
-
- if (!intc_evt2irq_table) {
- pr_warning("intc: cannot allocate evt2irq!\n");
- continue;
- }
-
- intc_evt2irq_table[evt2irq(vect2->vect)] = first_irq;
- }
- }
-
/* register the vectors one by one */
for (i = 0; i < desc->nr_vectors; i++) {
struct intc_vect *vect = desc->vectors + i;
@@ -789,6 +754,21 @@ void __init register_intc_controller(struct intc_desc *desc)
}
intc_register_irq(desc, d, vect->enum_id, irq);
+
+ for (k = i + 1; k < desc->nr_vectors; k++) {
+ struct intc_vect *vect2 = desc->vectors + k;
+ unsigned int irq2 = evt2irq(vect2->vect);
+
+ if (vect->enum_id != vect2->enum_id)
+ continue;
+
+ vect2->enum_id = 0;
+
+ /* redirect this interrupts to the first one */
+ set_irq_chip_and_handler_name(irq2, &d->chip,
+ intc_redirect_irq, "redirect");
+ set_irq_data(irq2, (void *)irq);
+ }
}
}
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
index eb1423a0078d..68e212ff9dde 100644
--- a/include/linux/sh_intc.h
+++ b/include/linux/sh_intc.h
@@ -85,7 +85,6 @@ struct intc_desc symbol __initdata = { \
}
#endif
-unsigned int intc_evt2irq(unsigned int vector);
void __init register_intc_controller(struct intc_desc *desc);
int intc_set_priority(unsigned int irq, unsigned int prio);
--
GitLab
From 56fd1260a8de3738034588c6e32262960c5b2660 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 24 Aug 2009 22:45:15 +0900
Subject: [PATCH 280/742] usb: gadget: m66592-udc needs linux/err.h.
In certain configurations linux/err.h is not included through alternate
means, resulting in:
drivers/usb/gadget/m66592-udc.c:1646: error: implicit declaration of function 'IS_ERR'
drivers/usb/gadget/m66592-udc.c:1649: error: implicit declaration of function 'PTR_ERR'
distcc[15083] ERROR: compile drivers/usb/gadget/m66592-udc.c on localhost failed
make[3]: *** [drivers/usb/gadget/m66592-udc.o] Error 1
make[2]: *** [drivers/usb/gadget] Error 2
make[1]: *** [drivers] Error 2
make: *** [sub-make] Error 2
Caught with an ARM config in -next.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/usb/gadget/m66592-udc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index a61c70caff12..a8c8543d1b08 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -25,7 +25,7 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/platform_device.h>
-
+#include <linux/err.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
--
GitLab
From f13327864f94c3a0e6acca923df537d20059639f Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 24 Aug 2009 22:48:27 +0900
Subject: [PATCH 281/742] sh: Move the FTRACE_SYSCALL_MAX definition in to
asm/ftrace.h.
Needed by ftrace changes in -tip.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/ftrace.h | 1 +
arch/sh/kernel/ftrace.c | 2 --
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/sh/include/asm/ftrace.h b/arch/sh/include/asm/ftrace.h
index 7e0bcc4d4a96..3c2ede3690d7 100644
--- a/arch/sh/include/asm/ftrace.h
+++ b/arch/sh/include/asm/ftrace.h
@@ -4,6 +4,7 @@
#ifdef CONFIG_FUNCTION_TRACER
#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
+#define FTRACE_SYSCALL_MAX (NR_syscalls - 1)
#ifndef __ASSEMBLY__
extern void mcount(void);
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
index 6647dfcb781d..a3dcc6d5d253 100644
--- a/arch/sh/kernel/ftrace.c
+++ b/arch/sh/kernel/ftrace.c
@@ -283,8 +283,6 @@ static struct syscall_metadata *find_syscall_meta(unsigned long *syscall)
return NULL;
}
-#define FTRACE_SYSCALL_MAX (NR_syscalls - 1)
-
struct syscall_metadata *syscall_nr_to_meta(int nr)
{
if (!syscalls_metadata || nr >= FTRACE_SYSCALL_MAX || nr < 0)
--
GitLab
From 063c4c99630c0b06afad080d2a18bda64172c1a2 Mon Sep 17 00:00:00 2001
From: Lars Marowsky-Bree <lmb@suse.de>
Date: Tue, 11 Aug 2009 16:18:23 -0500
Subject: [PATCH 282/742] dlm: fix connection close handling
Closing a connection to a node can create problems if there are
outstanding messages for that node. The problems include dlm_send
spinning attempting to reconnect, or BUG from tcp_connect_to_sock()
attempting to use a partially closed connection.
To cleanly close a connection, we now first attempt to send any pending
messages, cancel any remaining workqueue work, and flag the connection
as closed to avoid reconnect attempts.
Signed-off-by: Lars Marowsky-Bree <lmb@suse.de>
Signed-off-by: Christine Caulfield <ccaulfie@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
---
fs/dlm/lowcomms.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 210d52c48808..bda690cd3640 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -106,6 +106,7 @@ struct connection {
#define CF_CONNECT_PENDING 3
#define CF_INIT_PENDING 4
#define CF_IS_OTHERCON 5
+#define CF_CLOSE 6
struct list_head writequeue; /* List of outgoing writequeue_entries */
spinlock_t writequeue_lock;
int (*rx_action) (struct connection *); /* What to do when active */
@@ -299,6 +300,8 @@ static void lowcomms_write_space(struct sock *sk)
static inline void lowcomms_connect_sock(struct connection *con)
{
+ if (test_bit(CF_CLOSE, &con->flags))
+ return;
if (!test_and_set_bit(CF_CONNECT_PENDING, &con->flags))
queue_work(send_workqueue, &con->swork);
}
@@ -1368,6 +1371,13 @@ int dlm_lowcomms_close(int nodeid)
log_print("closing connection to node %d", nodeid);
con = nodeid2con(nodeid, 0);
if (con) {
+ clear_bit(CF_CONNECT_PENDING, &con->flags);
+ clear_bit(CF_WRITE_PENDING, &con->flags);
+ set_bit(CF_CLOSE, &con->flags);
+ if (cancel_work_sync(&con->swork))
+ log_print("canceled swork for node %d", nodeid);
+ if (cancel_work_sync(&con->rwork))
+ log_print("canceled rwork for node %d", nodeid);
clean_one_writequeue(con);
close_connection(con, true);
}
@@ -1393,9 +1403,10 @@ static void process_send_sockets(struct work_struct *work)
if (test_and_clear_bit(CF_CONNECT_PENDING, &con->flags)) {
con->connect_action(con);
+ set_bit(CF_WRITE_PENDING, &con->flags);
}
- clear_bit(CF_WRITE_PENDING, &con->flags);
- send_to_sock(con);
+ if (test_and_clear_bit(CF_WRITE_PENDING, &con->flags))
+ send_to_sock(con);
}
--
GitLab
From 1329e3f2c898cfabb6ed236d3fb8c1725197af53 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <bonzini@gnu.org>
Date: Mon, 24 Aug 2009 13:18:04 -0500
Subject: [PATCH 283/742] dlm: use kernel_sendpage
Using kernel_sendpage() is cleaner and safer than following
sock->ops ourselves.
Signed-off-by: Paolo Bonzini <bonzini@gnu.org>
Signed-off-by: David Teigland <teigland@redhat.com>
---
fs/dlm/lowcomms.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index bda690cd3640..240cef14fe58 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1285,7 +1285,6 @@ out:
static void send_to_sock(struct connection *con)
{
int ret = 0;
- ssize_t(*sendpage) (struct socket *, struct page *, int, size_t, int);
const int msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL;
struct writequeue_entry *e;
int len, offset;
@@ -1294,8 +1293,6 @@ static void send_to_sock(struct connection *con)
if (con->sock == NULL)
goto out_connect;
- sendpage = con->sock->ops->sendpage;
-
spin_lock(&con->writequeue_lock);
for (;;) {
e = list_entry(con->writequeue.next, struct writequeue_entry,
@@ -1310,8 +1307,8 @@ static void send_to_sock(struct connection *con)
ret = 0;
if (len) {
- ret = sendpage(con->sock, e->page, offset, len,
- msg_flags);
+ ret = kernel_sendpage(con->sock, e->page, offset, len,
+ msg_flags);
if (ret == -EAGAIN || ret == 0) {
cond_resched();
goto out;
--
GitLab
From 0ceb4c3e3f1ccaf121851e33c3ea269b8ad0f219 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 25 Aug 2009 07:32:39 +0900
Subject: [PATCH 284/742] timekeeping: Fix up read_persistent_clock() breakage
on sh
The recent commit "timekeeping: Increase granularity of
read_persistent_clock()" introduced read_persistent_clock()
rework which inadvertently broke the sh conversion:
arch/sh/kernel/time.c:45: error: passing argument 1 of 'rtc_sh_get_time' from incompatible pointer type
distcc[13470] ERROR: compile arch/sh/kernel/time.c on sprygo/32 failed
make[2]: *** [arch/sh/kernel/time.o] Error 1
This trivial fix gets it working again.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
LKML-Reference: <20090824223239.GB20832@linux-sh.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/sh/kernel/time.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index 3f4706aa975e..0e0e8581cf7a 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -41,7 +41,7 @@ int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time;
#ifdef CONFIG_GENERIC_CMOS_UPDATE
void read_persistent_clock(struct timespec *ts)
{
- rtc_sh_get_time(&ts);
+ rtc_sh_get_time(ts);
}
int update_persistent_clock(struct timespec now)
--
GitLab
From 36d47481b3824b661b464077db95d447984df799 Mon Sep 17 00:00:00 2001
From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Date: Tue, 25 Aug 2009 15:08:30 +0900
Subject: [PATCH 285/742] timekeeping: Fix invalid getboottime() value
Don't use timespec_add_safe() with wall_to_monotonic, because
wall_to_monotonic has negative values which will cause overflow
in timespec_add_safe(). That makes btime in /proc/stat invalid.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: John Stultz <johnstul@us.ibm.com>
Cc: Daniel Walker <dwalker@fifo99.com>
LKML-Reference: <4A937FDE.4050506@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
kernel/time/timekeeping.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 03cbeb34d141..fb0f46fa1ecd 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -826,9 +826,11 @@ void update_wall_time(void)
*/
void getboottime(struct timespec *ts)
{
- struct timespec boottime;
+ struct timespec boottime = {
+ .tv_sec = wall_to_monotonic.tv_sec + total_sleep_time.tv_sec,
+ .tv_nsec = wall_to_monotonic.tv_nsec + total_sleep_time.tv_nsec
+ };
- boottime = timespec_add_safe(wall_to_monotonic, total_sleep_time);
set_normalized_timespec(ts, -boottime.tv_sec, -boottime.tv_nsec);
}
--
GitLab
From c68e3206862f647117a46a73af76764d750c05bd Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 25 Aug 2009 18:39:33 +0900
Subject: [PATCH 286/742] sh: Fix an off-by-1 in FTRACE_SYSCALL_MAX.
This is supposed to be the equivalent of __NR_syscalls, not
__NR_syscalls -1. The x86 code this was based on had simply fallen
out of sync at the time this was implemented. Fix it up now.
As a result, tracing of __NR_perf_counter_open works as advertised.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/ftrace.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/include/asm/ftrace.h b/arch/sh/include/asm/ftrace.h
index 3c2ede3690d7..12f3a31f20af 100644
--- a/arch/sh/include/asm/ftrace.h
+++ b/arch/sh/include/asm/ftrace.h
@@ -4,7 +4,7 @@
#ifdef CONFIG_FUNCTION_TRACER
#define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */
-#define FTRACE_SYSCALL_MAX (NR_syscalls - 1)
+#define FTRACE_SYSCALL_MAX NR_syscalls
#ifndef __ASSEMBLY__
extern void mcount(void);
--
GitLab
From a8526e84ac758ac6da45cf273aa1538a6a7aa3de Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Tue, 25 Aug 2009 22:36:05 -0400
Subject: [PATCH 287/742] ext4: Add missing unlock_new_inode() call in extent
migration code
We need to unlock the new inode before iput. This patch fixes the
following warning when calling chattr +e to migrate a file to use
extents. It also fixes problems in when e4defrag attempts to
defragment an inode.
[ 470.400044] ------------[ cut here ]------------
[ 470.400065] WARNING: at fs/inode.c:1210 generic_delete_inode+0x65/0x16a()
[ 470.400072] Hardware name: N/A
.....
...
[ 470.400353] Pid: 4451, comm: chattr Not tainted 2.6.31-rc7-red-debug #4
[ 470.400359] Call Trace:
[ 470.400372] [<ffffffff81037771>] warn_slowpath_common+0x77/0x8f
[ 470.400385] [<ffffffff81037798>] warn_slowpath_null+0xf/0x11
[ 470.400395] [<ffffffff810b7f28>] generic_delete_inode+0x65/0x16a
[ 470.400405] [<ffffffff810b8044>] generic_drop_inode+0x17/0x1bd
[ 470.400413] [<ffffffff810b7083>] iput+0x61/0x65
[ 470.400455] [<ffffffffa003b229>] ext4_ext_migrate+0x5eb/0x66a [ext4]
[ 470.400492] [<ffffffffa002b1f8>] ext4_ioctl+0x340/0x756 [ext4]
[ 470.400507] [<ffffffff810b1a91>] vfs_ioctl+0x1d/0x82
[ 470.400517] [<ffffffff810b1ff0>] do_vfs_ioctl+0x483/0x4c9
[ 470.400527] [<ffffffff81059c30>] ? trace_hardirqs_on+0xd/0xf
[ 470.400537] [<ffffffff810b2087>] sys_ioctl+0x51/0x74
[ 470.400549] [<ffffffff8100ba6b>] system_call_fastpath+0x16/0x1b
[ 470.400557] ---[ end trace ab85723542352dac ]---
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/migrate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index 313a50b39741..05361ad5b80a 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -618,7 +618,7 @@ err_out:
tmp_inode->i_nlink = 0;
ext4_journal_stop(handle);
-
+ unlock_new_inode(tmp_inode);
iput(tmp_inode);
return retval;
--
GitLab
From 1927805e6599d8602d2c0af6a0155c85acc0b214 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Tue, 25 Aug 2009 22:36:25 -0400
Subject: [PATCH 288/742] ext4: use variables not types in sizeofs() for
allocations
Precursor to changing some types; to keep things in sync, it
seems better to allocate/memset based on the size of the
variables we are using rather than on some disconnected
basic type like "unsigned short"
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---
fs/ext4/mballoc.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 1a9cd7de04dd..081eaf7fce89 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -868,7 +868,8 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
grinfo = ext4_get_group_info(sb, group);
grinfo->bb_fragments = 0;
memset(grinfo->bb_counters, 0,
- sizeof(unsigned short)*(sb->s_blocksize_bits+2));
+ sizeof(*grinfo->bb_counters) *
+ (sb->s_blocksize_bits+2));
/*
* incore got set to the group block bitmap below
*/
@@ -2640,14 +2641,14 @@ int ext4_mb_init(struct super_block *sb, int needs_recovery)
unsigned max;
int ret;
- i = (sb->s_blocksize_bits + 2) * sizeof(unsigned short);
+ i = (sb->s_blocksize_bits + 2) * sizeof(*sbi->s_mb_offsets);
sbi->s_mb_offsets = kmalloc(i, GFP_KERNEL);
if (sbi->s_mb_offsets == NULL) {
return -ENOMEM;
}
- i = (sb->s_blocksize_bits + 2) * sizeof(unsigned int);
+ i = (sb->s_blocksize_bits + 2) * sizeof(*sbi->s_mb_maxs);
sbi->s_mb_maxs = kmalloc(i, GFP_KERNEL);
if (sbi->s_mb_maxs == NULL) {
kfree(sbi->s_mb_offsets);
--
GitLab
From a36b44988cef1fc007535107013571fa691a2d7f Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Tue, 25 Aug 2009 22:36:45 -0400
Subject: [PATCH 289/742] ext4: use ext4_grpblk_t more extensively
unsigned short is potentially too small to track blocks within
a group; today it is safe due to restrictions in e2fsprogs but
we have _lo / _hi bits for group blocks with the intent to go
up to 32 bits, so clean this up now.
There are many more places where we use unsigned/int/unsigned int
to contain a group block but this should at least fix all the
short types.
I added a few comments to the struct ext4_group_info definition
as well.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4.h | 11 +++++++----
fs/ext4/mballoc.c | 18 +++++++++---------
fs/ext4/mballoc.h | 6 +++---
3 files changed, 19 insertions(+), 16 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 02b22885eb02..41a76e163b99 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1577,15 +1577,18 @@ static inline void ext4_update_i_disksize(struct inode *inode, loff_t newsize)
struct ext4_group_info {
unsigned long bb_state;
struct rb_root bb_free_root;
- unsigned short bb_first_free;
- unsigned short bb_free;
- unsigned short bb_fragments;
+ ext4_grpblk_t bb_first_free; /* first free block */
+ ext4_grpblk_t bb_free; /* total free blocks */
+ ext4_grpblk_t bb_fragments; /* nr of freespace fragments */
struct list_head bb_prealloc_list;
#ifdef DOUBLE_CHECK
void *bb_bitmap;
#endif
struct rw_semaphore alloc_sem;
- unsigned short bb_counters[];
+ ext4_grpblk_t bb_counters[]; /* Nr of free power-of-two-block
+ * regions, index is order.
+ * bb_counters[3] = 5 means
+ * 5 free 8-block regions. */
};
#define EXT4_GROUP_INFO_NEED_INIT_BIT 0
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 081eaf7fce89..3086b3c65adc 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -623,13 +623,13 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file,
/* FIXME!! need more doc */
static void ext4_mb_mark_free_simple(struct super_block *sb,
- void *buddy, unsigned first, int len,
+ void *buddy, ext4_grpblk_t first, ext4_grpblk_t len,
struct ext4_group_info *grp)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
- unsigned short min;
- unsigned short max;
- unsigned short chunk;
+ ext4_grpblk_t min;
+ ext4_grpblk_t max;
+ ext4_grpblk_t chunk;
unsigned short border;
BUG_ON(len > EXT4_BLOCKS_PER_GROUP(sb));
@@ -663,10 +663,10 @@ void ext4_mb_generate_buddy(struct super_block *sb,
void *buddy, void *bitmap, ext4_group_t group)
{
struct ext4_group_info *grp = ext4_get_group_info(sb, group);
- unsigned short max = EXT4_BLOCKS_PER_GROUP(sb);
- unsigned short i = 0;
- unsigned short first;
- unsigned short len;
+ ext4_grpblk_t max = EXT4_BLOCKS_PER_GROUP(sb);
+ ext4_grpblk_t i = 0;
+ ext4_grpblk_t first;
+ ext4_grpblk_t len;
unsigned free = 0;
unsigned fragments = 0;
unsigned long long period = get_cycles();
@@ -2325,7 +2325,7 @@ static int ext4_mb_seq_groups_show(struct seq_file *seq, void *v)
struct ext4_buddy e4b;
struct sg {
struct ext4_group_info info;
- unsigned short counters[16];
+ ext4_grpblk_t counters[16];
} sg;
group--;
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 9db890d4d275..188d3d709b24 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -136,8 +136,8 @@ struct ext4_prealloc_space {
unsigned pa_deleted;
ext4_fsblk_t pa_pstart; /* phys. block */
ext4_lblk_t pa_lstart; /* log. block */
- unsigned short pa_len; /* len of preallocated chunk */
- unsigned short pa_free; /* how many blocks are free */
+ ext4_grpblk_t pa_len; /* len of preallocated chunk */
+ ext4_grpblk_t pa_free; /* how many blocks are free */
unsigned short pa_type; /* pa type. inode or group */
spinlock_t *pa_obj_lock;
struct inode *pa_inode; /* hack, for history only */
@@ -152,7 +152,7 @@ struct ext4_free_extent {
ext4_lblk_t fe_logical;
ext4_grpblk_t fe_start;
ext4_group_t fe_group;
- int fe_len;
+ ext4_grpblk_t fe_len;
};
/*
--
GitLab
From 90cba64a5f672a239f43ec5cb9a11b806887331e Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Tue, 25 Aug 2009 14:35:41 -0700
Subject: [PATCH 290/742] timer.c: Fix S/390 comments
Fix typos and add omitted words.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: akpm <akpm@linux-foundation.org>
Cc: linux390@de.ibm.com
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
LKML-Reference: <20090825143541.43fc2ed8.randy.dunlap@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
kernel/timer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/timer.c b/kernel/timer.c
index 33fc9d175f40..8e92be654dad 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1023,8 +1023,8 @@ static inline void __run_timers(struct tvec_base *base)
#ifdef CONFIG_NO_HZ
/*
* Find out when the next timer event is due to happen. This
- * is used on S/390 to stop all activity when a cpus is idle.
- * This functions needs to be called disabled.
+ * is used on S/390 to stop all activity when a CPU is idle.
+ * This function needs to be called with interrupts disabled.
*/
static unsigned long __next_timer_interrupt(struct tvec_base *base)
{
--
GitLab
From 4c5adde7943b982d22a7bf711654fbb5cb810667 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Fri, 19 Jun 2009 12:02:33 -0700
Subject: [PATCH 291/742] MAINTAINERS: add entry for TI DaVinci machine support
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
MAINTAINERS | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 60299a9a7adb..86e78284394e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4590,6 +4590,12 @@ F: arch/arm/mach-s3c2410/
F: drivers/*/*s3c2410*
F: drivers/*/*/*s3c2410*
+TI DAVINCI MACHINE SUPPORT
+P: Kevin Hilman
+M: davinci-linux-open-source@linux.davincidsp.com
+S: Supported
+F: arch/arm/mach-davinci
+
SIS 190 ETHERNET DRIVER
M: Francois Romieu <romieu@fr.zoreil.com>
L: netdev@vger.kernel.org
--
GitLab
From 60902a2cb12c3c1682ee7a04ad7448ec16dc0c29 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 21 May 2009 07:41:35 -0400
Subject: [PATCH 292/742] davinci: EDMA: multiple CCs, channel mapping and API
changes
- restructure to support multiple channel controllers by using
additional struct resources for each CC
- interface changes visible to EDMA clients
Introduce macros to build IDs from controller and channel number,
and to extract them. Modify the edma_alloc_slot function to take an
extra argument for the controller.
Also update ASoC drivers to use API. ASoC changes
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
- Move queue related mappings to dm<soc>.c
EDMA in DM355 and DM644x has two transfer controllers while DM646x
has four transfer controllers. Moving the queue to tc mapping and
queue priority mapping to dm<soc>.c will be helpful to probe these
mappings from platform device so that the machine_is_* testing will
be avoided.
- add channel mapping logic
Channel mapping logic is introduced in dm646x EDMA. This implies
that there is no fixed association for a channel number to a
parameter entry number. In other words, using the DMA channel
mapping registers (DCHMAPn), a PaRAM entry can be mapped to any
channel. While in the case of dm644x and dm355 there is a fixed
mapping between the EDMA channel and Param entry number.
Signed-off-by: Naresh Medisetty <naresh@ti.com>
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Reviewed-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/devices.c | 8 +-
arch/arm/mach-davinci/dm355.c | 41 +-
arch/arm/mach-davinci/dm644x.c | 41 +-
arch/arm/mach-davinci/dm646x.c | 46 +-
arch/arm/mach-davinci/dma.c | 811 ++++++++++++++--------
arch/arm/mach-davinci/include/mach/edma.h | 9 +-
sound/soc/davinci/davinci-pcm.c | 6 +-
7 files changed, 638 insertions(+), 324 deletions(-)
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
index de16f347566a..7a2f8ae89be2 100644
--- a/arch/arm/mach-davinci/devices.c
+++ b/arch/arm/mach-davinci/devices.c
@@ -82,10 +82,10 @@ static struct resource mmcsd0_resources[] = {
},
/* DMA channels: RX, then TX */
{
- .start = DAVINCI_DMA_MMCRXEVT,
+ .start = EDMA_CTLR_CHAN(0, DAVINCI_DMA_MMCRXEVT),
.flags = IORESOURCE_DMA,
}, {
- .start = DAVINCI_DMA_MMCTXEVT,
+ .start = EDMA_CTLR_CHAN(0, DAVINCI_DMA_MMCTXEVT),
.flags = IORESOURCE_DMA,
},
};
@@ -119,10 +119,10 @@ static struct resource mmcsd1_resources[] = {
},
/* DMA channels: RX, then TX */
{
- .start = 30, /* rx */
+ .start = EDMA_CTLR_CHAN(0, 30), /* rx */
.flags = IORESOURCE_DMA,
}, {
- .start = 31, /* tx */
+ .start = EDMA_CTLR_CHAN(0, 31), /* tx */
.flags = IORESOURCE_DMA,
},
};
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index baaaf328de2e..373f0c4003a5 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -558,17 +558,38 @@ static const s8 dma_chan_dm355_no_event[] = {
-1
};
-static struct edma_soc_info dm355_edma_info = {
- .n_channel = 64,
- .n_region = 4,
- .n_slot = 128,
- .n_tc = 2,
- .noevent = dma_chan_dm355_no_event,
+static const s8
+queue_tc_mapping[][2] = {
+ /* {event queue no, TC no} */
+ {0, 0},
+ {1, 1},
+ {-1, -1},
+};
+
+static const s8
+queue_priority_mapping[][2] = {
+ /* {event queue no, Priority} */
+ {0, 3},
+ {1, 7},
+ {-1, -1},
+};
+
+static struct edma_soc_info dm355_edma_info[] = {
+ {
+ .n_channel = 64,
+ .n_region = 4,
+ .n_slot = 128,
+ .n_tc = 2,
+ .n_cc = 1,
+ .noevent = dma_chan_dm355_no_event,
+ .queue_tc_mapping = queue_tc_mapping,
+ .queue_priority_mapping = queue_priority_mapping,
+ },
};
static struct resource edma_resources[] = {
{
- .name = "edma_cc",
+ .name = "edma_cc0",
.start = 0x01c00000,
.end = 0x01c00000 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
@@ -586,10 +607,12 @@ static struct resource edma_resources[] = {
.flags = IORESOURCE_MEM,
},
{
+ .name = "edma0",
.start = IRQ_CCINT0,
.flags = IORESOURCE_IRQ,
},
{
+ .name = "edma0_err",
.start = IRQ_CCERRINT,
.flags = IORESOURCE_IRQ,
},
@@ -598,8 +621,8 @@ static struct resource edma_resources[] = {
static struct platform_device dm355_edma_device = {
.name = "edma",
- .id = -1,
- .dev.platform_data = &dm355_edma_info,
+ .id = 0,
+ .dev.platform_data = dm355_edma_info,
.num_resources = ARRAY_SIZE(edma_resources),
.resource = edma_resources,
};
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index fb5449b3c97b..d145c0cbfe6a 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -484,17 +484,38 @@ static const s8 dma_chan_dm644x_no_event[] = {
-1
};
-static struct edma_soc_info dm644x_edma_info = {
- .n_channel = 64,
- .n_region = 4,
- .n_slot = 128,
- .n_tc = 2,
- .noevent = dma_chan_dm644x_no_event,
+static const s8
+queue_tc_mapping[][2] = {
+ /* {event queue no, TC no} */
+ {0, 0},
+ {1, 1},
+ {-1, -1},
+};
+
+static const s8
+queue_priority_mapping[][2] = {
+ /* {event queue no, Priority} */
+ {0, 3},
+ {1, 7},
+ {-1, -1},
+};
+
+static struct edma_soc_info dm644x_edma_info[] = {
+ {
+ .n_channel = 64,
+ .n_region = 4,
+ .n_slot = 128,
+ .n_tc = 2,
+ .n_cc = 1,
+ .noevent = dma_chan_dm644x_no_event,
+ .queue_tc_mapping = queue_tc_mapping,
+ .queue_priority_mapping = queue_priority_mapping,
+ },
};
static struct resource edma_resources[] = {
{
- .name = "edma_cc",
+ .name = "edma_cc0",
.start = 0x01c00000,
.end = 0x01c00000 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
@@ -512,10 +533,12 @@ static struct resource edma_resources[] = {
.flags = IORESOURCE_MEM,
},
{
+ .name = "edma0",
.start = IRQ_CCINT0,
.flags = IORESOURCE_IRQ,
},
{
+ .name = "edma0_err",
.start = IRQ_CCERRINT,
.flags = IORESOURCE_IRQ,
},
@@ -524,8 +547,8 @@ static struct resource edma_resources[] = {
static struct platform_device dm644x_edma_device = {
.name = "edma",
- .id = -1,
- .dev.platform_data = &dm644x_edma_info,
+ .id = 0,
+ .dev.platform_data = dm644x_edma_info,
.num_resources = ARRAY_SIZE(edma_resources),
.resource = edma_resources,
};
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 334f0711e0f5..e2410738327c 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -451,17 +451,43 @@ static const s8 dma_chan_dm646x_no_event[] = {
-1
};
-static struct edma_soc_info dm646x_edma_info = {
- .n_channel = 64,
- .n_region = 6, /* 0-1, 4-7 */
- .n_slot = 512,
- .n_tc = 4,
- .noevent = dma_chan_dm646x_no_event,
+/* Four Transfer Controllers on DM646x */
+static const s8
+dm646x_queue_tc_mapping[][2] = {
+ /* {event queue no, TC no} */
+ {0, 0},
+ {1, 1},
+ {2, 2},
+ {3, 3},
+ {-1, -1},
+};
+
+static const s8
+dm646x_queue_priority_mapping[][2] = {
+ /* {event queue no, Priority} */
+ {0, 4},
+ {1, 0},
+ {2, 5},
+ {3, 1},
+ {-1, -1},
+};
+
+static struct edma_soc_info dm646x_edma_info[] = {
+ {
+ .n_channel = 64,
+ .n_region = 6, /* 0-1, 4-7 */
+ .n_slot = 512,
+ .n_tc = 4,
+ .n_cc = 1,
+ .noevent = dma_chan_dm646x_no_event,
+ .queue_tc_mapping = dm646x_queue_tc_mapping,
+ .queue_priority_mapping = dm646x_queue_priority_mapping,
+ },
};
static struct resource edma_resources[] = {
{
- .name = "edma_cc",
+ .name = "edma_cc0",
.start = 0x01c00000,
.end = 0x01c00000 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
@@ -491,10 +517,12 @@ static struct resource edma_resources[] = {
.flags = IORESOURCE_MEM,
},
{
+ .name = "edma0",
.start = IRQ_CCINT0,
.flags = IORESOURCE_IRQ,
},
{
+ .name = "edma0_err",
.start = IRQ_CCERRINT,
.flags = IORESOURCE_IRQ,
},
@@ -503,8 +531,8 @@ static struct resource edma_resources[] = {
static struct platform_device dm646x_edma_device = {
.name = "edma",
- .id = -1,
- .dev.platform_data = &dm646x_edma_info,
+ .id = 0,
+ .dev.platform_data = dm646x_edma_info,
.num_resources = ARRAY_SIZE(edma_resources),
.resource = edma_resources,
};
diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index 15e9eb158bb7..5908f7717b29 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -100,132 +100,157 @@
#define EDMA_SHADOW0 0x2000 /* 4 regions shadowing global channels */
#define EDMA_PARM 0x4000 /* 128 param entries */
-#define DAVINCI_DMA_3PCC_BASE 0x01C00000
-
#define PARM_OFFSET(param_no) (EDMA_PARM + ((param_no) << 5))
+#define EDMA_DCHMAP 0x0100 /* 64 registers */
+#define CHMAP_EXIST BIT(24)
+
#define EDMA_MAX_DMACH 64
#define EDMA_MAX_PARAMENTRY 512
-#define EDMA_MAX_EVQUE 2 /* FIXME too small */
+#define EDMA_MAX_CC 2
/*****************************************************************************/
-static void __iomem *edmacc_regs_base;
+static void __iomem *edmacc_regs_base[EDMA_MAX_CC];
-static inline unsigned int edma_read(int offset)
+static inline unsigned int edma_read(unsigned ctlr, int offset)
{
- return (unsigned int)__raw_readl(edmacc_regs_base + offset);
+ return (unsigned int)__raw_readl(edmacc_regs_base[ctlr] + offset);
}
-static inline void edma_write(int offset, int val)
+static inline void edma_write(unsigned ctlr, int offset, int val)
{
- __raw_writel(val, edmacc_regs_base + offset);
+ __raw_writel(val, edmacc_regs_base[ctlr] + offset);
}
-static inline void edma_modify(int offset, unsigned and, unsigned or)
+static inline void edma_modify(unsigned ctlr, int offset, unsigned and,
+ unsigned or)
{
- unsigned val = edma_read(offset);
+ unsigned val = edma_read(ctlr, offset);
val &= and;
val |= or;
- edma_write(offset, val);
+ edma_write(ctlr, offset, val);
}
-static inline void edma_and(int offset, unsigned and)
+static inline void edma_and(unsigned ctlr, int offset, unsigned and)
{
- unsigned val = edma_read(offset);
+ unsigned val = edma_read(ctlr, offset);
val &= and;
- edma_write(offset, val);
+ edma_write(ctlr, offset, val);
}
-static inline void edma_or(int offset, unsigned or)
+static inline void edma_or(unsigned ctlr, int offset, unsigned or)
{
- unsigned val = edma_read(offset);
+ unsigned val = edma_read(ctlr, offset);
val |= or;
- edma_write(offset, val);
+ edma_write(ctlr, offset, val);
}
-static inline unsigned int edma_read_array(int offset, int i)
+static inline unsigned int edma_read_array(unsigned ctlr, int offset, int i)
{
- return edma_read(offset + (i << 2));
+ return edma_read(ctlr, offset + (i << 2));
}
-static inline void edma_write_array(int offset, int i, unsigned val)
+static inline void edma_write_array(unsigned ctlr, int offset, int i,
+ unsigned val)
{
- edma_write(offset + (i << 2), val);
+ edma_write(ctlr, offset + (i << 2), val);
}
-static inline void edma_modify_array(int offset, int i,
+static inline void edma_modify_array(unsigned ctlr, int offset, int i,
unsigned and, unsigned or)
{
- edma_modify(offset + (i << 2), and, or);
+ edma_modify(ctlr, offset + (i << 2), and, or);
}
-static inline void edma_or_array(int offset, int i, unsigned or)
+static inline void edma_or_array(unsigned ctlr, int offset, int i, unsigned or)
{
- edma_or(offset + (i << 2), or);
+ edma_or(ctlr, offset + (i << 2), or);
}
-static inline void edma_or_array2(int offset, int i, int j, unsigned or)
+static inline void edma_or_array2(unsigned ctlr, int offset, int i, int j,
+ unsigned or)
{
- edma_or(offset + ((i*2 + j) << 2), or);
+ edma_or(ctlr, offset + ((i*2 + j) << 2), or);
}
-static inline void edma_write_array2(int offset, int i, int j, unsigned val)
+static inline void edma_write_array2(unsigned ctlr, int offset, int i, int j,
+ unsigned val)
{
- edma_write(offset + ((i*2 + j) << 2), val);
+ edma_write(ctlr, offset + ((i*2 + j) << 2), val);
}
-static inline unsigned int edma_shadow0_read(int offset)
+static inline unsigned int edma_shadow0_read(unsigned ctlr, int offset)
{
- return edma_read(EDMA_SHADOW0 + offset);
+ return edma_read(ctlr, EDMA_SHADOW0 + offset);
}
-static inline unsigned int edma_shadow0_read_array(int offset, int i)
+static inline unsigned int edma_shadow0_read_array(unsigned ctlr, int offset,
+ int i)
{
- return edma_read(EDMA_SHADOW0 + offset + (i << 2));
+ return edma_read(ctlr, EDMA_SHADOW0 + offset + (i << 2));
}
-static inline void edma_shadow0_write(int offset, unsigned val)
+static inline void edma_shadow0_write(unsigned ctlr, int offset, unsigned val)
{
- edma_write(EDMA_SHADOW0 + offset, val);
+ edma_write(ctlr, EDMA_SHADOW0 + offset, val);
}
-static inline void edma_shadow0_write_array(int offset, int i, unsigned val)
+static inline void edma_shadow0_write_array(unsigned ctlr, int offset, int i,
+ unsigned val)
{
- edma_write(EDMA_SHADOW0 + offset + (i << 2), val);
+ edma_write(ctlr, EDMA_SHADOW0 + offset + (i << 2), val);
}
-static inline unsigned int edma_parm_read(int offset, int param_no)
+static inline unsigned int edma_parm_read(unsigned ctlr, int offset,
+ int param_no)
{
- return edma_read(EDMA_PARM + offset + (param_no << 5));
+ return edma_read(ctlr, EDMA_PARM + offset + (param_no << 5));
}
-static inline void edma_parm_write(int offset, int param_no, unsigned val)
+static inline void edma_parm_write(unsigned ctlr, int offset, int param_no,
+ unsigned val)
{
- edma_write(EDMA_PARM + offset + (param_no << 5), val);
+ edma_write(ctlr, EDMA_PARM + offset + (param_no << 5), val);
}
-static inline void edma_parm_modify(int offset, int param_no,
+static inline void edma_parm_modify(unsigned ctlr, int offset, int param_no,
unsigned and, unsigned or)
{
- edma_modify(EDMA_PARM + offset + (param_no << 5), and, or);
+ edma_modify(ctlr, EDMA_PARM + offset + (param_no << 5), and, or);
}
-static inline void edma_parm_and(int offset, int param_no, unsigned and)
+static inline void edma_parm_and(unsigned ctlr, int offset, int param_no,
+ unsigned and)
{
- edma_and(EDMA_PARM + offset + (param_no << 5), and);
+ edma_and(ctlr, EDMA_PARM + offset + (param_no << 5), and);
}
-static inline void edma_parm_or(int offset, int param_no, unsigned or)
+static inline void edma_parm_or(unsigned ctlr, int offset, int param_no,
+ unsigned or)
{
- edma_or(EDMA_PARM + offset + (param_no << 5), or);
+ edma_or(ctlr, EDMA_PARM + offset + (param_no << 5), or);
}
/*****************************************************************************/
/* actual number of DMA channels and slots on this silicon */
-static unsigned num_channels;
-static unsigned num_slots;
+struct edma {
+ /* how many dma resources of each type */
+ unsigned num_channels;
+ unsigned num_region;
+ unsigned num_slots;
+ unsigned num_tc;
+ unsigned num_cc;
+
+ /* list of channels with no even trigger; terminated by "-1" */
+ const s8 *noevent;
+
+ /* The edma_inuse bit for each PaRAM slot is clear unless the
+ * channel is in use ... by ARM or DSP, for QDMA, or whatever.
+ */
+ DECLARE_BITMAP(edma_inuse, EDMA_MAX_PARAMENTRY);
-static struct dma_interrupt_data {
- void (*callback)(unsigned channel, unsigned short ch_status,
- void *data);
- void *data;
-} intr_data[EDMA_MAX_DMACH];
+ /* The edma_noevent bit for each channel is clear unless
+ * it doesn't trigger DMA events on this platform. It uses a
+ * bit of SOC-specific initialization code.
+ */
+ DECLARE_BITMAP(edma_noevent, EDMA_MAX_DMACH);
-/* The edma_inuse bit for each PaRAM slot is clear unless the
- * channel is in use ... by ARM or DSP, for QDMA, or whatever.
- */
-static DECLARE_BITMAP(edma_inuse, EDMA_MAX_PARAMENTRY);
+ unsigned irq_res_start;
+ unsigned irq_res_end;
-/* The edma_noevent bit for each channel is clear unless
- * it doesn't trigger DMA events on this platform. It uses a
- * bit of SOC-specific initialization code.
- */
-static DECLARE_BITMAP(edma_noevent, EDMA_MAX_DMACH);
+ struct dma_interrupt_data {
+ void (*callback)(unsigned channel, unsigned short ch_status,
+ void *data);
+ void *data;
+ } intr_data[EDMA_MAX_DMACH];
+};
+
+static struct edma *edma_info[EDMA_MAX_CC];
/* dummy param set used to (re)initialize parameter RAM slots */
static const struct edmacc_param dummy_paramset = {
@@ -233,25 +258,10 @@ static const struct edmacc_param dummy_paramset = {
.ccnt = 1,
};
-static const int __initconst
-queue_tc_mapping[EDMA_MAX_EVQUE + 1][2] = {
-/* {event queue no, TC no} */
- {0, 0},
- {1, 1},
- {-1, -1}
-};
-
-static const int __initconst
-queue_priority_mapping[EDMA_MAX_EVQUE + 1][2] = {
- /* {event queue no, Priority} */
- {0, 3},
- {1, 7},
- {-1, -1}
-};
-
/*****************************************************************************/
-static void map_dmach_queue(unsigned ch_no, enum dma_event_q queue_no)
+static void map_dmach_queue(unsigned ctlr, unsigned ch_no,
+ enum dma_event_q queue_no)
{
int bit = (ch_no & 0x7) * 4;
@@ -260,20 +270,40 @@ static void map_dmach_queue(unsigned ch_no, enum dma_event_q queue_no)
queue_no = EVENTQ_1;
queue_no &= 7;
- edma_modify_array(EDMA_DMAQNUM, (ch_no >> 3),
+ edma_modify_array(ctlr, EDMA_DMAQNUM, (ch_no >> 3),
~(0x7 << bit), queue_no << bit);
}
-static void __init map_queue_tc(int queue_no, int tc_no)
+static void __init map_queue_tc(unsigned ctlr, int queue_no, int tc_no)
{
int bit = queue_no * 4;
- edma_modify(EDMA_QUETCMAP, ~(0x7 << bit), ((tc_no & 0x7) << bit));
+ edma_modify(ctlr, EDMA_QUETCMAP, ~(0x7 << bit), ((tc_no & 0x7) << bit));
}
-static void __init assign_priority_to_queue(int queue_no, int priority)
+static void __init assign_priority_to_queue(unsigned ctlr, int queue_no,
+ int priority)
{
int bit = queue_no * 4;
- edma_modify(EDMA_QUEPRI, ~(0x7 << bit), ((priority & 0x7) << bit));
+ edma_modify(ctlr, EDMA_QUEPRI, ~(0x7 << bit),
+ ((priority & 0x7) << bit));
+}
+
+/**
+ * map_dmach_param - Maps channel number to param entry number
+ *
+ * This maps the dma channel number to param entry numberter. In
+ * other words using the DMA channel mapping registers a param entry
+ * can be mapped to any channel
+ *
+ * Callers are responsible for ensuring the channel mapping logic is
+ * included in that particular EDMA variant (Eg : dm646x)
+ *
+ */
+static void __init map_dmach_param(unsigned ctlr)
+{
+ int i;
+ for (i = 0; i < EDMA_MAX_DMACH; i++)
+ edma_write_array(ctlr, EDMA_DCHMAP , i , (i << 5));
}
static inline void
@@ -281,22 +311,39 @@ setup_dma_interrupt(unsigned lch,
void (*callback)(unsigned channel, u16 ch_status, void *data),
void *data)
{
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(lch);
+ lch = EDMA_CHAN_SLOT(lch);
+
if (!callback) {
- edma_shadow0_write_array(SH_IECR, lch >> 5,
+ edma_shadow0_write_array(ctlr, SH_IECR, lch >> 5,
(1 << (lch & 0x1f)));
}
- intr_data[lch].callback = callback;
- intr_data[lch].data = data;
+ edma_info[ctlr]->intr_data[lch].callback = callback;
+ edma_info[ctlr]->intr_data[lch].data = data;
if (callback) {
- edma_shadow0_write_array(SH_ICR, lch >> 5,
+ edma_shadow0_write_array(ctlr, SH_ICR, lch >> 5,
(1 << (lch & 0x1f)));
- edma_shadow0_write_array(SH_IESR, lch >> 5,
+ edma_shadow0_write_array(ctlr, SH_IESR, lch >> 5,
(1 << (lch & 0x1f)));
}
}
+static int irq2ctlr(int irq)
+{
+ if (irq >= edma_info[0]->irq_res_start &&
+ irq <= edma_info[0]->irq_res_end)
+ return 0;
+ else if (irq >= edma_info[1]->irq_res_start &&
+ irq <= edma_info[1]->irq_res_end)
+ return 1;
+
+ return -1;
+}
+
/******************************************************************************
*
* DMA interrupt handler
@@ -305,32 +352,39 @@ setup_dma_interrupt(unsigned lch,
static irqreturn_t dma_irq_handler(int irq, void *data)
{
int i;
+ unsigned ctlr;
unsigned int cnt = 0;
+ ctlr = irq2ctlr(irq);
+
dev_dbg(data, "dma_irq_handler\n");
- if ((edma_shadow0_read_array(SH_IPR, 0) == 0)
- && (edma_shadow0_read_array(SH_IPR, 1) == 0))
+ if ((edma_shadow0_read_array(ctlr, SH_IPR, 0) == 0)
+ && (edma_shadow0_read_array(ctlr, SH_IPR, 1) == 0))
return IRQ_NONE;
while (1) {
int j;
- if (edma_shadow0_read_array(SH_IPR, 0))
+ if (edma_shadow0_read_array(ctlr, SH_IPR, 0))
j = 0;
- else if (edma_shadow0_read_array(SH_IPR, 1))
+ else if (edma_shadow0_read_array(ctlr, SH_IPR, 1))
j = 1;
else
break;
dev_dbg(data, "IPR%d %08x\n", j,
- edma_shadow0_read_array(SH_IPR, j));
+ edma_shadow0_read_array(ctlr, SH_IPR, j));
for (i = 0; i < 32; i++) {
int k = (j << 5) + i;
- if (edma_shadow0_read_array(SH_IPR, j) & (1 << i)) {
+ if (edma_shadow0_read_array(ctlr, SH_IPR, j) &
+ (1 << i)) {
/* Clear the corresponding IPR bits */
- edma_shadow0_write_array(SH_ICR, j, (1 << i));
- if (intr_data[k].callback) {
- intr_data[k].callback(k, DMA_COMPLETE,
- intr_data[k].data);
+ edma_shadow0_write_array(ctlr, SH_ICR, j,
+ (1 << i));
+ if (edma_info[ctlr]->intr_data[k].callback) {
+ edma_info[ctlr]->intr_data[k].callback(
+ k, DMA_COMPLETE,
+ edma_info[ctlr]->intr_data[k].
+ data);
}
}
}
@@ -338,7 +392,7 @@ static irqreturn_t dma_irq_handler(int irq, void *data)
if (cnt > 10)
break;
}
- edma_shadow0_write(SH_IEVAL, 1);
+ edma_shadow0_write(ctlr, SH_IEVAL, 1);
return IRQ_HANDLED;
}
@@ -350,78 +404,87 @@ static irqreturn_t dma_irq_handler(int irq, void *data)
static irqreturn_t dma_ccerr_handler(int irq, void *data)
{
int i;
+ unsigned ctlr;
unsigned int cnt = 0;
+ ctlr = irq2ctlr(irq);
+
dev_dbg(data, "dma_ccerr_handler\n");
- if ((edma_read_array(EDMA_EMR, 0) == 0) &&
- (edma_read_array(EDMA_EMR, 1) == 0) &&
- (edma_read(EDMA_QEMR) == 0) && (edma_read(EDMA_CCERR) == 0))
+ if ((edma_read_array(ctlr, EDMA_EMR, 0) == 0) &&
+ (edma_read_array(ctlr, EDMA_EMR, 1) == 0) &&
+ (edma_read(ctlr, EDMA_QEMR) == 0) &&
+ (edma_read(ctlr, EDMA_CCERR) == 0))
return IRQ_NONE;
while (1) {
int j = -1;
- if (edma_read_array(EDMA_EMR, 0))
+ if (edma_read_array(ctlr, EDMA_EMR, 0))
j = 0;
- else if (edma_read_array(EDMA_EMR, 1))
+ else if (edma_read_array(ctlr, EDMA_EMR, 1))
j = 1;
if (j >= 0) {
dev_dbg(data, "EMR%d %08x\n", j,
- edma_read_array(EDMA_EMR, j));
+ edma_read_array(ctlr, EDMA_EMR, j));
for (i = 0; i < 32; i++) {
int k = (j << 5) + i;
- if (edma_read_array(EDMA_EMR, j) & (1 << i)) {
+ if (edma_read_array(ctlr, EDMA_EMR, j) &
+ (1 << i)) {
/* Clear the corresponding EMR bits */
- edma_write_array(EDMA_EMCR, j, 1 << i);
+ edma_write_array(ctlr, EDMA_EMCR, j,
+ 1 << i);
/* Clear any SER */
- edma_shadow0_write_array(SH_SECR, j,
- (1 << i));
- if (intr_data[k].callback) {
- intr_data[k].callback(k,
- DMA_CC_ERROR,
- intr_data
- [k].data);
+ edma_shadow0_write_array(ctlr, SH_SECR,
+ j, (1 << i));
+ if (edma_info[ctlr]->intr_data[k].
+ callback) {
+ edma_info[ctlr]->intr_data[k].
+ callback(k,
+ DMA_CC_ERROR,
+ edma_info[ctlr]->intr_data
+ [k].data);
}
}
}
- } else if (edma_read(EDMA_QEMR)) {
+ } else if (edma_read(ctlr, EDMA_QEMR)) {
dev_dbg(data, "QEMR %02x\n",
- edma_read(EDMA_QEMR));
+ edma_read(ctlr, EDMA_QEMR));
for (i = 0; i < 8; i++) {
- if (edma_read(EDMA_QEMR) & (1 << i)) {
+ if (edma_read(ctlr, EDMA_QEMR) & (1 << i)) {
/* Clear the corresponding IPR bits */
- edma_write(EDMA_QEMCR, 1 << i);
- edma_shadow0_write(SH_QSECR, (1 << i));
+ edma_write(ctlr, EDMA_QEMCR, 1 << i);
+ edma_shadow0_write(ctlr, SH_QSECR,
+ (1 << i));
/* NOTE: not reported!! */
}
}
- } else if (edma_read(EDMA_CCERR)) {
+ } else if (edma_read(ctlr, EDMA_CCERR)) {
dev_dbg(data, "CCERR %08x\n",
- edma_read(EDMA_CCERR));
+ edma_read(ctlr, EDMA_CCERR));
/* FIXME: CCERR.BIT(16) ignored! much better
* to just write CCERRCLR with CCERR value...
*/
for (i = 0; i < 8; i++) {
- if (edma_read(EDMA_CCERR) & (1 << i)) {
+ if (edma_read(ctlr, EDMA_CCERR) & (1 << i)) {
/* Clear the corresponding IPR bits */
- edma_write(EDMA_CCERRCLR, 1 << i);
+ edma_write(ctlr, EDMA_CCERRCLR, 1 << i);
/* NOTE: not reported!! */
}
}
}
- if ((edma_read_array(EDMA_EMR, 0) == 0)
- && (edma_read_array(EDMA_EMR, 1) == 0)
- && (edma_read(EDMA_QEMR) == 0)
- && (edma_read(EDMA_CCERR) == 0)) {
+ if ((edma_read_array(ctlr, EDMA_EMR, 0) == 0)
+ && (edma_read_array(ctlr, EDMA_EMR, 1) == 0)
+ && (edma_read(ctlr, EDMA_QEMR) == 0)
+ && (edma_read(ctlr, EDMA_CCERR) == 0)) {
break;
}
cnt++;
if (cnt > 10)
break;
}
- edma_write(EDMA_EEVAL, 1);
+ edma_write(ctlr, EDMA_EEVAL, 1);
return IRQ_HANDLED;
}
@@ -484,35 +547,53 @@ int edma_alloc_channel(int channel,
void *data,
enum dma_event_q eventq_no)
{
+ unsigned i, done, ctlr = 0;
+
+ if (channel >= 0) {
+ ctlr = EDMA_CTLR(channel);
+ channel = EDMA_CHAN_SLOT(channel);
+ }
+
if (channel < 0) {
- channel = 0;
- for (;;) {
- channel = find_next_bit(edma_noevent,
- num_channels, channel);
- if (channel == num_channels)
- return -ENOMEM;
- if (!test_and_set_bit(channel, edma_inuse))
+ for (i = 0; i < EDMA_MAX_CC; i++) {
+ channel = 0;
+ for (;;) {
+ channel = find_next_bit(edma_info[i]->
+ edma_noevent,
+ edma_info[i]->num_channels,
+ channel);
+ if (channel == edma_info[i]->num_channels)
+ return -ENOMEM;
+ if (!test_and_set_bit(channel,
+ edma_info[i]->edma_inuse)) {
+ done = 1;
+ ctlr = i;
+ break;
+ }
+ channel++;
+ }
+ if (done)
break;
- channel++;
}
- } else if (channel >= num_channels) {
+ } else if (channel >= edma_info[ctlr]->num_channels) {
return -EINVAL;
- } else if (test_and_set_bit(channel, edma_inuse)) {
+ } else if (test_and_set_bit(channel, edma_info[ctlr]->edma_inuse)) {
return -EBUSY;
}
/* ensure access through shadow region 0 */
- edma_or_array2(EDMA_DRAE, 0, channel >> 5, 1 << (channel & 0x1f));
+ edma_or_array2(ctlr, EDMA_DRAE, 0, channel >> 5, 1 << (channel & 0x1f));
/* ensure no events are pending */
- edma_stop(channel);
- memcpy_toio(edmacc_regs_base + PARM_OFFSET(channel),
+ edma_stop(EDMA_CTLR_CHAN(ctlr, channel));
+ memcpy_toio(edmacc_regs_base[ctlr] + PARM_OFFSET(channel),
&dummy_paramset, PARM_SIZE);
if (callback)
- setup_dma_interrupt(channel, callback, data);
+ setup_dma_interrupt(EDMA_CTLR_CHAN(ctlr, channel),
+ callback, data);
- map_dmach_queue(channel, eventq_no);
+ map_dmach_queue(ctlr, channel, eventq_no);
return channel;
}
@@ -532,15 +613,20 @@ EXPORT_SYMBOL(edma_alloc_channel);
*/
void edma_free_channel(unsigned channel)
{
- if (channel >= num_channels)
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(channel);
+ channel = EDMA_CHAN_SLOT(channel);
+
+ if (channel >= edma_info[ctlr]->num_channels)
return;
setup_dma_interrupt(channel, NULL, NULL);
/* REVISIT should probably take out of shadow region 0 */
- memcpy_toio(edmacc_regs_base + PARM_OFFSET(channel),
+ memcpy_toio(edmacc_regs_base[ctlr] + PARM_OFFSET(channel),
&dummy_paramset, PARM_SIZE);
- clear_bit(channel, edma_inuse);
+ clear_bit(channel, edma_info[ctlr]->edma_inuse);
}
EXPORT_SYMBOL(edma_free_channel);
@@ -558,28 +644,33 @@ EXPORT_SYMBOL(edma_free_channel);
*
* Returns the number of the slot, else negative errno.
*/
-int edma_alloc_slot(int slot)
+int edma_alloc_slot(unsigned ctlr, int slot)
{
+ if (slot >= 0)
+ slot = EDMA_CHAN_SLOT(slot);
+
if (slot < 0) {
- slot = num_channels;
+ slot = edma_info[ctlr]->num_channels;
for (;;) {
- slot = find_next_zero_bit(edma_inuse,
- num_slots, slot);
- if (slot == num_slots)
+ slot = find_next_zero_bit(edma_info[ctlr]->edma_inuse,
+ edma_info[ctlr]->num_slots, slot);
+ if (slot == edma_info[ctlr]->num_slots)
return -ENOMEM;
- if (!test_and_set_bit(slot, edma_inuse))
+ if (!test_and_set_bit(slot,
+ edma_info[ctlr]->edma_inuse))
break;
}
- } else if (slot < num_channels || slot >= num_slots) {
+ } else if (slot < edma_info[ctlr]->num_channels ||
+ slot >= edma_info[ctlr]->num_slots) {
return -EINVAL;
- } else if (test_and_set_bit(slot, edma_inuse)) {
+ } else if (test_and_set_bit(slot, edma_info[ctlr]->edma_inuse)) {
return -EBUSY;
}
- memcpy_toio(edmacc_regs_base + PARM_OFFSET(slot),
+ memcpy_toio(edmacc_regs_base[ctlr] + PARM_OFFSET(slot),
&dummy_paramset, PARM_SIZE);
- return slot;
+ return EDMA_CTLR_CHAN(ctlr, slot);
}
EXPORT_SYMBOL(edma_alloc_slot);
@@ -593,12 +684,18 @@ EXPORT_SYMBOL(edma_alloc_slot);
*/
void edma_free_slot(unsigned slot)
{
- if (slot < num_channels || slot >= num_slots)
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(slot);
+ slot = EDMA_CHAN_SLOT(slot);
+
+ if (slot < edma_info[ctlr]->num_channels ||
+ slot >= edma_info[ctlr]->num_slots)
return;
- memcpy_toio(edmacc_regs_base + PARM_OFFSET(slot),
+ memcpy_toio(edmacc_regs_base[ctlr] + PARM_OFFSET(slot),
&dummy_paramset, PARM_SIZE);
- clear_bit(slot, edma_inuse);
+ clear_bit(slot, edma_info[ctlr]->edma_inuse);
}
EXPORT_SYMBOL(edma_free_slot);
@@ -620,8 +717,13 @@ EXPORT_SYMBOL(edma_free_slot);
void edma_set_src(unsigned slot, dma_addr_t src_port,
enum address_mode mode, enum fifo_width width)
{
- if (slot < num_slots) {
- unsigned int i = edma_parm_read(PARM_OPT, slot);
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(slot);
+ slot = EDMA_CHAN_SLOT(slot);
+
+ if (slot < edma_info[ctlr]->num_slots) {
+ unsigned int i = edma_parm_read(ctlr, PARM_OPT, slot);
if (mode) {
/* set SAM and program FWID */
@@ -630,11 +732,11 @@ void edma_set_src(unsigned slot, dma_addr_t src_port,
/* clear SAM */
i &= ~SAM;
}
- edma_parm_write(PARM_OPT, slot, i);
+ edma_parm_write(ctlr, PARM_OPT, slot, i);
/* set the source port address
in source register of param structure */
- edma_parm_write(PARM_SRC, slot, src_port);
+ edma_parm_write(ctlr, PARM_SRC, slot, src_port);
}
}
EXPORT_SYMBOL(edma_set_src);
@@ -653,8 +755,13 @@ EXPORT_SYMBOL(edma_set_src);
void edma_set_dest(unsigned slot, dma_addr_t dest_port,
enum address_mode mode, enum fifo_width width)
{
- if (slot < num_slots) {
- unsigned int i = edma_parm_read(PARM_OPT, slot);
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(slot);
+ slot = EDMA_CHAN_SLOT(slot);
+
+ if (slot < edma_info[ctlr]->num_slots) {
+ unsigned int i = edma_parm_read(ctlr, PARM_OPT, slot);
if (mode) {
/* set DAM and program FWID */
@@ -663,10 +770,10 @@ void edma_set_dest(unsigned slot, dma_addr_t dest_port,
/* clear DAM */
i &= ~DAM;
}
- edma_parm_write(PARM_OPT, slot, i);
+ edma_parm_write(ctlr, PARM_OPT, slot, i);
/* set the destination port address
in dest register of param structure */
- edma_parm_write(PARM_DST, slot, dest_port);
+ edma_parm_write(ctlr, PARM_DST, slot, dest_port);
}
}
EXPORT_SYMBOL(edma_set_dest);
@@ -683,8 +790,12 @@ EXPORT_SYMBOL(edma_set_dest);
void edma_get_position(unsigned slot, dma_addr_t *src, dma_addr_t *dst)
{
struct edmacc_param temp;
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(slot);
+ slot = EDMA_CHAN_SLOT(slot);
- edma_read_slot(slot, &temp);
+ edma_read_slot(EDMA_CTLR_CHAN(ctlr, slot), &temp);
if (src != NULL)
*src = temp.src;
if (dst != NULL)
@@ -704,10 +815,15 @@ EXPORT_SYMBOL(edma_get_position);
*/
void edma_set_src_index(unsigned slot, s16 src_bidx, s16 src_cidx)
{
- if (slot < num_slots) {
- edma_parm_modify(PARM_SRC_DST_BIDX, slot,
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(slot);
+ slot = EDMA_CHAN_SLOT(slot);
+
+ if (slot < edma_info[ctlr]->num_slots) {
+ edma_parm_modify(ctlr, PARM_SRC_DST_BIDX, slot,
0xffff0000, src_bidx);
- edma_parm_modify(PARM_SRC_DST_CIDX, slot,
+ edma_parm_modify(ctlr, PARM_SRC_DST_CIDX, slot,
0xffff0000, src_cidx);
}
}
@@ -725,10 +841,15 @@ EXPORT_SYMBOL(edma_set_src_index);
*/
void edma_set_dest_index(unsigned slot, s16 dest_bidx, s16 dest_cidx)
{
- if (slot < num_slots) {
- edma_parm_modify(PARM_SRC_DST_BIDX, slot,
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(slot);
+ slot = EDMA_CHAN_SLOT(slot);
+
+ if (slot < edma_info[ctlr]->num_slots) {
+ edma_parm_modify(ctlr, PARM_SRC_DST_BIDX, slot,
0x0000ffff, dest_bidx << 16);
- edma_parm_modify(PARM_SRC_DST_CIDX, slot,
+ edma_parm_modify(ctlr, PARM_SRC_DST_CIDX, slot,
0x0000ffff, dest_cidx << 16);
}
}
@@ -767,16 +888,21 @@ void edma_set_transfer_params(unsigned slot,
u16 acnt, u16 bcnt, u16 ccnt,
u16 bcnt_rld, enum sync_dimension sync_mode)
{
- if (slot < num_slots) {
- edma_parm_modify(PARM_LINK_BCNTRLD, slot,
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(slot);
+ slot = EDMA_CHAN_SLOT(slot);
+
+ if (slot < edma_info[ctlr]->num_slots) {
+ edma_parm_modify(ctlr, PARM_LINK_BCNTRLD, slot,
0x0000ffff, bcnt_rld << 16);
if (sync_mode == ASYNC)
- edma_parm_and(PARM_OPT, slot, ~SYNCDIM);
+ edma_parm_and(ctlr, PARM_OPT, slot, ~SYNCDIM);
else
- edma_parm_or(PARM_OPT, slot, SYNCDIM);
+ edma_parm_or(ctlr, PARM_OPT, slot, SYNCDIM);
/* Set the acount, bcount, ccount registers */
- edma_parm_write(PARM_A_B_CNT, slot, (bcnt << 16) | acnt);
- edma_parm_write(PARM_CCNT, slot, ccnt);
+ edma_parm_write(ctlr, PARM_A_B_CNT, slot, (bcnt << 16) | acnt);
+ edma_parm_write(ctlr, PARM_CCNT, slot, ccnt);
}
}
EXPORT_SYMBOL(edma_set_transfer_params);
@@ -790,11 +916,19 @@ EXPORT_SYMBOL(edma_set_transfer_params);
*/
void edma_link(unsigned from, unsigned to)
{
- if (from >= num_slots)
+ unsigned ctlr_from, ctlr_to;
+
+ ctlr_from = EDMA_CTLR(from);
+ from = EDMA_CHAN_SLOT(from);
+ ctlr_to = EDMA_CTLR(to);
+ to = EDMA_CHAN_SLOT(to);
+
+ if (from >= edma_info[ctlr_from]->num_slots)
return;
- if (to >= num_slots)
+ if (to >= edma_info[ctlr_to]->num_slots)
return;
- edma_parm_modify(PARM_LINK_BCNTRLD, from, 0xffff0000, PARM_OFFSET(to));
+ edma_parm_modify(ctlr_from, PARM_LINK_BCNTRLD, from, 0xffff0000,
+ PARM_OFFSET(to));
}
EXPORT_SYMBOL(edma_link);
@@ -807,9 +941,14 @@ EXPORT_SYMBOL(edma_link);
*/
void edma_unlink(unsigned from)
{
- if (from >= num_slots)
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(from);
+ from = EDMA_CHAN_SLOT(from);
+
+ if (from >= edma_info[ctlr]->num_slots)
return;
- edma_parm_or(PARM_LINK_BCNTRLD, from, 0xffff);
+ edma_parm_or(ctlr, PARM_LINK_BCNTRLD, from, 0xffff);
}
EXPORT_SYMBOL(edma_unlink);
@@ -829,9 +968,15 @@ EXPORT_SYMBOL(edma_unlink);
*/
void edma_write_slot(unsigned slot, const struct edmacc_param *param)
{
- if (slot >= num_slots)
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(slot);
+ slot = EDMA_CHAN_SLOT(slot);
+
+ if (slot >= edma_info[ctlr]->num_slots)
return;
- memcpy_toio(edmacc_regs_base + PARM_OFFSET(slot), param, PARM_SIZE);
+ memcpy_toio(edmacc_regs_base[ctlr] + PARM_OFFSET(slot), param,
+ PARM_SIZE);
}
EXPORT_SYMBOL(edma_write_slot);
@@ -845,9 +990,15 @@ EXPORT_SYMBOL(edma_write_slot);
*/
void edma_read_slot(unsigned slot, struct edmacc_param *param)
{
- if (slot >= num_slots)
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(slot);
+ slot = EDMA_CHAN_SLOT(slot);
+
+ if (slot >= edma_info[ctlr]->num_slots)
return;
- memcpy_fromio(param, edmacc_regs_base + PARM_OFFSET(slot), PARM_SIZE);
+ memcpy_fromio(param, edmacc_regs_base[ctlr] + PARM_OFFSET(slot),
+ PARM_SIZE);
}
EXPORT_SYMBOL(edma_read_slot);
@@ -864,10 +1015,15 @@ EXPORT_SYMBOL(edma_read_slot);
*/
void edma_pause(unsigned channel)
{
- if (channel < num_channels) {
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(channel);
+ channel = EDMA_CHAN_SLOT(channel);
+
+ if (channel < edma_info[ctlr]->num_channels) {
unsigned int mask = (1 << (channel & 0x1f));
- edma_shadow0_write_array(SH_EECR, channel >> 5, mask);
+ edma_shadow0_write_array(ctlr, SH_EECR, channel >> 5, mask);
}
}
EXPORT_SYMBOL(edma_pause);
@@ -880,10 +1036,15 @@ EXPORT_SYMBOL(edma_pause);
*/
void edma_resume(unsigned channel)
{
- if (channel < num_channels) {
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(channel);
+ channel = EDMA_CHAN_SLOT(channel);
+
+ if (channel < edma_info[ctlr]->num_channels) {
unsigned int mask = (1 << (channel & 0x1f));
- edma_shadow0_write_array(SH_EESR, channel >> 5, mask);
+ edma_shadow0_write_array(ctlr, SH_EESR, channel >> 5, mask);
}
}
EXPORT_SYMBOL(edma_resume);
@@ -901,28 +1062,33 @@ EXPORT_SYMBOL(edma_resume);
*/
int edma_start(unsigned channel)
{
- if (channel < num_channels) {
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(channel);
+ channel = EDMA_CHAN_SLOT(channel);
+
+ if (channel < edma_info[ctlr]->num_channels) {
int j = channel >> 5;
unsigned int mask = (1 << (channel & 0x1f));
/* EDMA channels without event association */
- if (test_bit(channel, edma_noevent)) {
+ if (test_bit(channel, edma_info[ctlr]->edma_noevent)) {
pr_debug("EDMA: ESR%d %08x\n", j,
- edma_shadow0_read_array(SH_ESR, j));
- edma_shadow0_write_array(SH_ESR, j, mask);
+ edma_shadow0_read_array(ctlr, SH_ESR, j));
+ edma_shadow0_write_array(ctlr, SH_ESR, j, mask);
return 0;
}
/* EDMA channel with event association */
pr_debug("EDMA: ER%d %08x\n", j,
- edma_shadow0_read_array(SH_ER, j));
+ edma_shadow0_read_array(ctlr, SH_ER, j));
/* Clear any pending error */
- edma_write_array(EDMA_EMCR, j, mask);
+ edma_write_array(ctlr, EDMA_EMCR, j, mask);
/* Clear any SER */
- edma_shadow0_write_array(SH_SECR, j, mask);
- edma_shadow0_write_array(SH_EESR, j, mask);
+ edma_shadow0_write_array(ctlr, SH_SECR, j, mask);
+ edma_shadow0_write_array(ctlr, SH_EESR, j, mask);
pr_debug("EDMA: EER%d %08x\n", j,
- edma_shadow0_read_array(SH_EER, j));
+ edma_shadow0_read_array(ctlr, SH_EER, j));
return 0;
}
@@ -941,17 +1107,22 @@ EXPORT_SYMBOL(edma_start);
*/
void edma_stop(unsigned channel)
{
- if (channel < num_channels) {
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(channel);
+ channel = EDMA_CHAN_SLOT(channel);
+
+ if (channel < edma_info[ctlr]->num_channels) {
int j = channel >> 5;
unsigned int mask = (1 << (channel & 0x1f));
- edma_shadow0_write_array(SH_EECR, j, mask);
- edma_shadow0_write_array(SH_ECR, j, mask);
- edma_shadow0_write_array(SH_SECR, j, mask);
- edma_write_array(EDMA_EMCR, j, mask);
+ edma_shadow0_write_array(ctlr, SH_EECR, j, mask);
+ edma_shadow0_write_array(ctlr, SH_ECR, j, mask);
+ edma_shadow0_write_array(ctlr, SH_SECR, j, mask);
+ edma_write_array(ctlr, EDMA_EMCR, j, mask);
pr_debug("EDMA: EER%d %08x\n", j,
- edma_shadow0_read_array(SH_EER, j));
+ edma_shadow0_read_array(ctlr, SH_EER, j));
/* REVISIT: consider guarding against inappropriate event
* chaining by overwriting with dummy_paramset.
@@ -975,18 +1146,23 @@ EXPORT_SYMBOL(edma_stop);
void edma_clean_channel(unsigned channel)
{
- if (channel < num_channels) {
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(channel);
+ channel = EDMA_CHAN_SLOT(channel);
+
+ if (channel < edma_info[ctlr]->num_channels) {
int j = (channel >> 5);
unsigned int mask = 1 << (channel & 0x1f);
pr_debug("EDMA: EMR%d %08x\n", j,
- edma_read_array(EDMA_EMR, j));
- edma_shadow0_write_array(SH_ECR, j, mask);
+ edma_read_array(ctlr, EDMA_EMR, j));
+ edma_shadow0_write_array(ctlr, SH_ECR, j, mask);
/* Clear the corresponding EMR bits */
- edma_write_array(EDMA_EMCR, j, mask);
+ edma_write_array(ctlr, EDMA_EMCR, j, mask);
/* Clear any SER */
- edma_shadow0_write_array(SH_SECR, j, mask);
- edma_write(EDMA_CCERRCLR, (1 << 16) | 0x3);
+ edma_shadow0_write_array(ctlr, SH_SECR, j, mask);
+ edma_write(ctlr, EDMA_CCERRCLR, (1 << 16) | 0x3);
}
}
EXPORT_SYMBOL(edma_clean_channel);
@@ -998,12 +1174,17 @@ EXPORT_SYMBOL(edma_clean_channel);
*/
void edma_clear_event(unsigned channel)
{
- if (channel >= num_channels)
+ unsigned ctlr;
+
+ ctlr = EDMA_CTLR(channel);
+ channel = EDMA_CHAN_SLOT(channel);
+
+ if (channel >= edma_info[ctlr]->num_channels)
return;
if (channel < 32)
- edma_write(EDMA_ECR, 1 << channel);
+ edma_write(ctlr, EDMA_ECR, 1 << channel);
else
- edma_write(EDMA_ECRH, 1 << (channel - 32));
+ edma_write(ctlr, EDMA_ECRH, 1 << (channel - 32));
}
EXPORT_SYMBOL(edma_clear_event);
@@ -1012,62 +1193,129 @@ EXPORT_SYMBOL(edma_clear_event);
static int __init edma_probe(struct platform_device *pdev)
{
struct edma_soc_info *info = pdev->dev.platform_data;
- int i;
- int status;
+ const s8 (*queue_priority_mapping)[2];
+ const s8 (*queue_tc_mapping)[2];
+ int i, j, found = 0;
+ int status = -1;
const s8 *noevent;
- int irq = 0, err_irq = 0;
- struct resource *r;
- resource_size_t len;
+ int irq[EDMA_MAX_CC] = {0, 0};
+ int err_irq[EDMA_MAX_CC] = {0, 0};
+ struct resource *r[EDMA_MAX_CC] = {NULL};
+ resource_size_t len[EDMA_MAX_CC];
+ char res_name[10];
+ char irq_name[10];
if (!info)
return -ENODEV;
- r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "edma_cc");
- if (!r)
- return -ENODEV;
+ for (j = 0; j < EDMA_MAX_CC; j++) {
+ sprintf(res_name, "edma_cc%d", j);
+ r[j] = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ res_name);
+ if (!r[j]) {
+ if (found)
+ break;
+ else
+ return -ENODEV;
+ } else
+ found = 1;
+
+ len[j] = resource_size(r[j]);
+
+ r[j] = request_mem_region(r[j]->start, len[j],
+ dev_name(&pdev->dev));
+ if (!r[j]) {
+ status = -EBUSY;
+ goto fail1;
+ }
- len = r->end - r->start + 1;
+ edmacc_regs_base[j] = ioremap(r[j]->start, len[j]);
+ if (!edmacc_regs_base[j]) {
+ status = -EBUSY;
+ goto fail1;
+ }
- r = request_mem_region(r->start, len, r->name);
- if (!r)
- return -EBUSY;
+ edma_info[j] = kmalloc(sizeof(struct edma), GFP_KERNEL);
+ if (!edma_info[j]) {
+ status = -ENOMEM;
+ goto fail1;
+ }
+ memset(edma_info[j], 0, sizeof(struct edma));
+
+ edma_info[j]->num_channels = min_t(unsigned, info[j].n_channel,
+ EDMA_MAX_DMACH);
+ edma_info[j]->num_slots = min_t(unsigned, info[j].n_slot,
+ EDMA_MAX_PARAMENTRY);
+ edma_info[j]->num_cc = min_t(unsigned, info[j].n_cc,
+ EDMA_MAX_CC);
+
+ dev_dbg(&pdev->dev, "DMA REG BASE ADDR=%p\n",
+ edmacc_regs_base[j]);
+
+ for (i = 0; i < edma_info[j]->num_slots; i++)
+ memcpy_toio(edmacc_regs_base[j] + PARM_OFFSET(i),
+ &dummy_paramset, PARM_SIZE);
+
+ noevent = info[j].noevent;
+ if (noevent) {
+ while (*noevent != -1)
+ set_bit(*noevent++, edma_info[j]->edma_noevent);
+ }
- edmacc_regs_base = ioremap(r->start, len);
- if (!edmacc_regs_base) {
- status = -EBUSY;
- goto fail1;
- }
+ sprintf(irq_name, "edma%d", j);
+ irq[j] = platform_get_irq_byname(pdev, irq_name);
+ edma_info[j]->irq_res_start = irq[j];
+ status = request_irq(irq[j], dma_irq_handler, 0, "edma",
+ &pdev->dev);
+ if (status < 0) {
+ dev_dbg(&pdev->dev, "request_irq %d failed --> %d\n",
+ irq[j], status);
+ goto fail;
+ }
- num_channels = min_t(unsigned, info->n_channel, EDMA_MAX_DMACH);
- num_slots = min_t(unsigned, info->n_slot, EDMA_MAX_PARAMENTRY);
+ sprintf(irq_name, "edma%d_err", j);
+ err_irq[j] = platform_get_irq_byname(pdev, irq_name);
+ edma_info[j]->irq_res_end = err_irq[j];
+ status = request_irq(err_irq[j], dma_ccerr_handler, 0,
+ "edma_error", &pdev->dev);
+ if (status < 0) {
+ dev_dbg(&pdev->dev, "request_irq %d failed --> %d\n",
+ err_irq[j], status);
+ goto fail;
+ }
- dev_dbg(&pdev->dev, "DMA REG BASE ADDR=%p\n", edmacc_regs_base);
+ /* Everything lives on transfer controller 1 until otherwise
+ * specified. This way, long transfers on the low priority queue
+ * started by the codec engine will not cause audio defects.
+ */
+ for (i = 0; i < edma_info[j]->num_channels; i++)
+ map_dmach_queue(j, i, EVENTQ_1);
- for (i = 0; i < num_slots; i++)
- memcpy_toio(edmacc_regs_base + PARM_OFFSET(i),
- &dummy_paramset, PARM_SIZE);
+ queue_tc_mapping = info[j].queue_tc_mapping;
+ queue_priority_mapping = info[j].queue_priority_mapping;
- noevent = info->noevent;
- if (noevent) {
- while (*noevent != -1)
- set_bit(*noevent++, edma_noevent);
- }
+ /* Event queue to TC mapping */
+ for (i = 0; queue_tc_mapping[i][0] != -1; i++)
+ map_queue_tc(j, queue_tc_mapping[i][0],
+ queue_tc_mapping[i][1]);
- irq = platform_get_irq(pdev, 0);
- status = request_irq(irq, dma_irq_handler, 0, "edma", &pdev->dev);
- if (status < 0) {
- dev_dbg(&pdev->dev, "request_irq %d failed --> %d\n",
- irq, status);
- goto fail;
- }
+ /* Event queue priority mapping */
+ for (i = 0; queue_priority_mapping[i][0] != -1; i++)
+ assign_priority_to_queue(j,
+ queue_priority_mapping[i][0],
+ queue_priority_mapping[i][1]);
+
+ /* Map the channel to param entry if channel mapping logic
+ * exist
+ */
+ if (edma_read(j, EDMA_CCCFG) & CHMAP_EXIST)
+ map_dmach_param(j);
- err_irq = platform_get_irq(pdev, 1);
- status = request_irq(err_irq, dma_ccerr_handler, 0,
- "edma_error", &pdev->dev);
- if (status < 0) {
- dev_dbg(&pdev->dev, "request_irq %d failed --> %d\n",
- err_irq, status);
- goto fail;
+ for (i = 0; i < info[j].n_region; i++) {
+ edma_write_array2(j, EDMA_DRAE, i, 0, 0x0);
+ edma_write_array2(j, EDMA_DRAE, i, 1, 0x0);
+ edma_write_array(j, EDMA_QRAE, i, 0x0);
+ }
}
if (tc_errs_handled) {
@@ -1087,38 +1335,23 @@ static int __init edma_probe(struct platform_device *pdev)
}
}
- /* Everything lives on transfer controller 1 until otherwise specified.
- * This way, long transfers on the low priority queue
- * started by the codec engine will not cause audio defects.
- */
- for (i = 0; i < num_channels; i++)
- map_dmach_queue(i, EVENTQ_1);
-
- /* Event queue to TC mapping */
- for (i = 0; queue_tc_mapping[i][0] != -1; i++)
- map_queue_tc(queue_tc_mapping[i][0], queue_tc_mapping[i][1]);
-
- /* Event queue priority mapping */
- for (i = 0; queue_priority_mapping[i][0] != -1; i++)
- assign_priority_to_queue(queue_priority_mapping[i][0],
- queue_priority_mapping[i][1]);
-
- for (i = 0; i < info->n_region; i++) {
- edma_write_array2(EDMA_DRAE, i, 0, 0x0);
- edma_write_array2(EDMA_DRAE, i, 1, 0x0);
- edma_write_array(EDMA_QRAE, i, 0x0);
- }
-
return 0;
fail:
- if (err_irq)
- free_irq(err_irq, NULL);
- if (irq)
- free_irq(irq, NULL);
- iounmap(edmacc_regs_base);
+ for (i = 0; i < EDMA_MAX_CC; i++) {
+ if (err_irq[i])
+ free_irq(err_irq[i], &pdev->dev);
+ if (irq[i])
+ free_irq(irq[i], &pdev->dev);
+ }
fail1:
- release_mem_region(r->start, len);
+ for (i = 0; i < EDMA_MAX_CC; i++) {
+ if (r[i])
+ release_mem_region(r[i]->start, len[i]);
+ if (edmacc_regs_base[i])
+ iounmap(edmacc_regs_base[i]);
+ kfree(edma_info[i]);
+ }
return status;
}
diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h
index 24a379239d7f..ba2ebdd058a0 100644
--- a/arch/arm/mach-davinci/include/mach/edma.h
+++ b/arch/arm/mach-davinci/include/mach/edma.h
@@ -170,6 +170,10 @@ enum sync_dimension {
ABSYNC = 1
};
+#define EDMA_CTLR_CHAN(ctlr, chan) (((ctlr) << 16) | (chan))
+#define EDMA_CTLR(i) ((i) >> 16)
+#define EDMA_CHAN_SLOT(i) ((i) & 0xffff)
+
#define EDMA_CHANNEL_ANY -1 /* for edma_alloc_channel() */
#define EDMA_SLOT_ANY -1 /* for edma_alloc_slot() */
@@ -180,7 +184,7 @@ int edma_alloc_channel(int channel,
void edma_free_channel(unsigned channel);
/* alloc/free parameter RAM slots */
-int edma_alloc_slot(int slot);
+int edma_alloc_slot(unsigned ctlr, int slot);
void edma_free_slot(unsigned slot);
/* calls that operate on part of a parameter RAM slot */
@@ -216,9 +220,12 @@ struct edma_soc_info {
unsigned n_region;
unsigned n_slot;
unsigned n_tc;
+ unsigned n_cc;
/* list of channels with no even trigger; terminated by "-1" */
const s8 *noevent;
+ const s8 (*queue_tc_mapping)[2];
+ const s8 (*queue_priority_mapping)[2];
};
#endif
diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c
index a05996588489..3ee38b62766d 100644
--- a/sound/soc/davinci/davinci-pcm.c
+++ b/sound/soc/davinci/davinci-pcm.c
@@ -143,7 +143,7 @@ static int davinci_pcm_dma_request(struct snd_pcm_substream *substream)
prtd->master_lch = ret;
/* Request parameter RAM reload slot */
- ret = edma_alloc_slot(EDMA_SLOT_ANY);
+ ret = edma_alloc_slot(EDMA_CTLR(prtd->master_lch), EDMA_SLOT_ANY);
if (ret < 0) {
edma_free_channel(prtd->master_lch);
return ret;
@@ -160,8 +160,8 @@ static int davinci_pcm_dma_request(struct snd_pcm_substream *substream)
* so davinci_pcm_enqueue_dma() takes less time in IRQ.
*/
edma_read_slot(prtd->slave_lch, &p_ram);
- p_ram.opt |= TCINTEN | EDMA_TCC(prtd->master_lch);
- p_ram.link_bcntrld = prtd->slave_lch << 5;
+ p_ram.opt |= TCINTEN | EDMA_TCC(EDMA_CHAN_SLOT(prtd->master_lch));
+ p_ram.link_bcntrld = EDMA_CHAN_SLOT(prtd->slave_lch) << 5;
edma_write_slot(prtd->slave_lch, &p_ram);
return 0;
--
GitLab
From 2bcb613a7919a0a6a7a00408fbfd1c8e471fe060 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Tue, 2 Jun 2009 03:38:26 -0400
Subject: [PATCH 293/742] davinci: EDMA: add support for dm646x
Enables module clock for DM646x EDMA channel controller and transfer
controller.
Signed-off-by: Naresh Medisetty <naresh@ti.com>
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm646x.c | 40 ++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index e2410738327c..19e989db6f70 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -162,6 +162,41 @@ static struct clk arm_clk = {
.flags = ALWAYS_ENABLED,
};
+static struct clk edma_cc_clk = {
+ .name = "edma_cc",
+ .parent = &pll1_sysclk2,
+ .lpsc = DM646X_LPSC_TPCC,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk edma_tc0_clk = {
+ .name = "edma_tc0",
+ .parent = &pll1_sysclk2,
+ .lpsc = DM646X_LPSC_TPTC0,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk edma_tc1_clk = {
+ .name = "edma_tc1",
+ .parent = &pll1_sysclk2,
+ .lpsc = DM646X_LPSC_TPTC1,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk edma_tc2_clk = {
+ .name = "edma_tc2",
+ .parent = &pll1_sysclk2,
+ .lpsc = DM646X_LPSC_TPTC2,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk edma_tc3_clk = {
+ .name = "edma_tc3",
+ .parent = &pll1_sysclk2,
+ .lpsc = DM646X_LPSC_TPTC3,
+ .flags = ALWAYS_ENABLED,
+};
+
static struct clk uart0_clk = {
.name = "uart0",
.parent = &aux_clkin,
@@ -269,6 +304,11 @@ struct davinci_clk dm646x_clks[] = {
CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
CLK(NULL, "dsp", &dsp_clk),
CLK(NULL, "arm", &arm_clk),
+ CLK(NULL, "edma_cc", &edma_cc_clk),
+ CLK(NULL, "edma_tc0", &edma_tc0_clk),
+ CLK(NULL, "edma_tc1", &edma_tc1_clk),
+ CLK(NULL, "edma_tc2", &edma_tc2_clk),
+ CLK(NULL, "edma_tc3", &edma_tc3_clk),
CLK(NULL, "uart0", &uart0_clk),
CLK(NULL, "uart1", &uart1_clk),
CLK(NULL, "uart2", &uart2_clk),
--
GitLab
From 75d0fa70e748629b786c25530f7c5ae76587da35 Mon Sep 17 00:00:00 2001
From: Chaithrika U S <chaithrika@ti.com>
Date: Thu, 28 May 2009 05:09:21 -0400
Subject: [PATCH 294/742] davinci: dm646x: Adds McASP clock
Adds McASP clock support for the two instances of mcasp (mcasp0,mcasp1). This
patch is part of the audio support for dm646x series.
Signed-off-by: Naresh Medisetty <naresh@ti.com>
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm646x.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 19e989db6f70..1391513b7381 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -227,6 +227,18 @@ static struct clk gpio_clk = {
.lpsc = DM646X_LPSC_GPIO,
};
+static struct clk mcasp0_clk = {
+ .name = "mcasp0",
+ .parent = &pll1_sysclk3,
+ .lpsc = DM646X_LPSC_McASP0,
+};
+
+static struct clk mcasp1_clk = {
+ .name = "mcasp1",
+ .parent = &pll1_sysclk3,
+ .lpsc = DM646X_LPSC_McASP1,
+};
+
static struct clk aemif_clk = {
.name = "aemif",
.parent = &pll1_sysclk3,
@@ -314,6 +326,8 @@ struct davinci_clk dm646x_clks[] = {
CLK(NULL, "uart2", &uart2_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
CLK(NULL, "gpio", &gpio_clk),
+ CLK(NULL, "mcasp0", &mcasp0_clk),
+ CLK(NULL, "mcasp1", &mcasp1_clk),
CLK(NULL, "aemif", &aemif_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
CLK(NULL, "pwm0", &pwm0_clk),
--
GitLab
From a23f7dc82d48d7fc8377765f6ede907daef4e63b Mon Sep 17 00:00:00 2001
From: David Griego <dgriego@mvista.com>
Date: Mon, 1 Jun 2009 11:41:54 -0700
Subject: [PATCH 295/742] davinci: Fix watchdog reset code
The davinci reset routine, davinci_watchdog_reset(), sets the
TCR register instead of the TGCR register as it should to put
the WDT into its "Initial State".
It also writes the WDTCR register without the proper WDKEY
which is pointless since the register will be write-protected.
Signed-off-by: David Griego <dgriego@mvista.com>
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/time.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c
index 0884ca57bfb0..ca85d1871762 100644
--- a/arch/arm/mach-davinci/time.c
+++ b/arch/arm/mach-davinci/time.c
@@ -420,11 +420,11 @@ void davinci_watchdog_reset(void)
/* reset timer, set mode to 64-bit watchdog, and unreset */
tgcr = 0;
- __raw_writel(tgcr, base + TCR);
+ __raw_writel(tgcr, base + TGCR);
tgcr = TGCR_TIMMODE_64BIT_WDOG << TGCR_TIMMODE_SHIFT;
tgcr |= (TGCR_UNRESET << TGCR_TIM12RS_SHIFT) |
(TGCR_UNRESET << TGCR_TIM34RS_SHIFT);
- __raw_writel(tgcr, base + TCR);
+ __raw_writel(tgcr, base + TGCR);
/* clear counter and period regs */
__raw_writel(0, base + TIM12);
@@ -432,12 +432,8 @@ void davinci_watchdog_reset(void)
__raw_writel(0, base + PRD12);
__raw_writel(0, base + PRD34);
- /* enable */
- wdtcr = __raw_readl(base + WDTCR);
- wdtcr |= WDTCR_WDEN_ENABLE << WDTCR_WDEN_SHIFT;
- __raw_writel(wdtcr, base + WDTCR);
-
/* put watchdog in pre-active state */
+ wdtcr = __raw_readl(base + WDTCR);
wdtcr = (WDTCR_WDKEY_SEQ0 << WDTCR_WDKEY_SHIFT) |
(WDTCR_WDEN_ENABLE << WDTCR_WDEN_SHIFT);
__raw_writel(wdtcr, base + WDTCR);
--
GitLab
From 98d0e9fc6bf1dc8227a7848eea1e28bf19f5a32d Mon Sep 17 00:00:00 2001
From: "Rajashekhara, Sudhakar" <sudhakar.raj@ti.com>
Date: Tue, 2 Jun 2009 06:48:43 -0400
Subject: [PATCH 296/742] davinci: dm644x: Support for dm644x silicon revision
2.1
JTAG ID for DM644x silicon revision 2.1 has changed. An entry for the new
silicon revision needs to be added to the davinci_id structure. Without
this addition, EVMs with new silicon revision fail to boot the kernel.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm644x.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index d145c0cbfe6a..7d51263caf1e 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -580,6 +580,13 @@ static struct davinci_id dm644x_ids[] = {
.cpu_id = DAVINCI_CPU_ID_DM6446,
.name = "dm6446",
},
+ {
+ .variant = 0x1,
+ .part_no = 0xb700,
+ .manufacturer = 0x017,
+ .cpu_id = DAVINCI_CPU_ID_DM6446,
+ .name = "dm6446a",
+ },
};
static void __iomem *dm644x_psc_bases[] = {
--
GitLab
From f28f03bba423bbccf102abc9c1921d50a4499d66 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Wed, 3 Jun 2009 14:54:27 -0700
Subject: [PATCH 297/742] davinci: Kconfig: enable EVMs by default when SoCs
are enabled
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/Kconfig | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index be747f5c6cd8..b06cf85fd297 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -26,7 +26,7 @@ comment "DaVinci Board Type"
config MACH_DAVINCI_EVM
bool "TI DM644x EVM"
- default y
+ default ARCH_DAVINCI_DM644x
depends on ARCH_DAVINCI_DM644x
help
Configure this option to specify the whether the board used
@@ -41,6 +41,7 @@ config MACH_SFFSDR
config MACH_DAVINCI_DM355_EVM
bool "TI DM355 EVM"
+ default ARCH_DAVINCI_DM355
depends on ARCH_DAVINCI_DM355
help
Configure this option to specify the whether the board used
@@ -55,6 +56,7 @@ config MACH_DM355_LEOPARD
config MACH_DAVINCI_DM6467_EVM
bool "TI DM6467 EVM"
+ default ARCH_DAVINCI_DM646x
depends on ARCH_DAVINCI_DM646x
help
Configure this option to specify the whether the board used
--
GitLab
From 1d3bba61f69f447f11aa88e82c5840319962d4cd Mon Sep 17 00:00:00 2001
From: David Brownell <david-b@pacbell.net>
Date: Fri, 5 Jun 2009 21:45:14 -0700
Subject: [PATCH 298/742] davinci: sram warning fix
CC arch/arm/mach-davinci/sram.o
arch/arm/mach-davinci/sram.c: In function 'sram_init':
arch/arm/mach-davinci/sram.c:63: warning: comparison of distinct pointer types lacks a cast
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/sram.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mach-davinci/sram.c b/arch/arm/mach-davinci/sram.c
index db54b2a66b4d..4f1fc9b318b3 100644
--- a/arch/arm/mach-davinci/sram.c
+++ b/arch/arm/mach-davinci/sram.c
@@ -60,7 +60,7 @@ static int __init sram_init(void)
int status = 0;
if (len) {
- len = min(len, SRAM_SIZE);
+ len = min_t(unsigned, len, SRAM_SIZE);
sram_pool = gen_pool_create(ilog2(SRAM_GRANULARITY), -1);
if (!sram_pool)
status = -ENOMEM;
--
GitLab
From 5fcd294df26e6160f32ea551ef074630b4df728d Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Wed, 3 Jun 2009 12:24:50 -0700
Subject: [PATCH 299/742] davinci: remove watchdog from soc_info
watchdog info is not needed in soc_info, platform_device can
be used directly in core code.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/devices.c | 7 ++-----
arch/arm/mach-davinci/dm355.c | 1 -
arch/arm/mach-davinci/dm644x.c | 1 -
arch/arm/mach-davinci/dm646x.c | 1 -
arch/arm/mach-davinci/include/mach/common.h | 1 -
arch/arm/mach-davinci/time.c | 6 +++---
6 files changed, 5 insertions(+), 12 deletions(-)
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
index 7a2f8ae89be2..385e8332fc2f 100644
--- a/arch/arm/mach-davinci/devices.c
+++ b/arch/arm/mach-davinci/devices.c
@@ -216,6 +216,8 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config)
static struct resource wdt_resources[] = {
{
+ .start = DAVINCI_WDOG_BASE,
+ .end = DAVINCI_WDOG_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
};
@@ -229,11 +231,6 @@ struct platform_device davinci_wdt_device = {
static void davinci_init_wdt(void)
{
- struct davinci_soc_info *soc_info = &davinci_soc_info;
-
- wdt_resources[0].start = (resource_size_t)soc_info->wdt_base;
- wdt_resources[0].end = (resource_size_t)soc_info->wdt_base + SZ_1K - 1;
-
platform_device_register(&davinci_wdt_device);
}
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 373f0c4003a5..48f33e420517 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -727,7 +727,6 @@ static struct davinci_soc_info davinci_soc_info_dm355 = {
.intc_irq_prios = dm355_default_priorities,
.intc_irq_num = DAVINCI_N_AINTC_IRQ,
.timer_info = &dm355_timer_info,
- .wdt_base = IO_ADDRESS(DAVINCI_WDOG_BASE),
.gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
.gpio_num = 104,
.gpio_irq = IRQ_DM355_GPIOBNK0,
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 7d51263caf1e..d20e447a8b4f 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -660,7 +660,6 @@ static struct davinci_soc_info davinci_soc_info_dm644x = {
.intc_irq_prios = dm644x_default_priorities,
.intc_irq_num = DAVINCI_N_AINTC_IRQ,
.timer_info = &dm644x_timer_info,
- .wdt_base = IO_ADDRESS(DAVINCI_WDOG_BASE),
.gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
.gpio_num = 71,
.gpio_irq = IRQ_GPIOBNK0,
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 1391513b7381..2c76a4d47bfb 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -691,7 +691,6 @@ static struct davinci_soc_info davinci_soc_info_dm646x = {
.intc_irq_prios = dm646x_default_priorities,
.intc_irq_num = DAVINCI_N_AINTC_IRQ,
.timer_info = &dm646x_timer_info,
- .wdt_base = IO_ADDRESS(DAVINCI_WDOG_BASE),
.gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
.gpio_num = 43, /* Only 33 usable */
.gpio_irq = IRQ_DM646X_GPIOBNK0,
diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h
index a1f03b606d8f..b21393b24d65 100644
--- a/arch/arm/mach-davinci/include/mach/common.h
+++ b/arch/arm/mach-davinci/include/mach/common.h
@@ -60,7 +60,6 @@ struct davinci_soc_info {
u8 *intc_irq_prios;
unsigned long intc_irq_num;
struct davinci_timer_info *timer_info;
- void __iomem *wdt_base;
void __iomem *gpio_base;
unsigned gpio_num;
unsigned gpio_irq;
diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c
index ca85d1871762..0d1b6d407b46 100644
--- a/arch/arm/mach-davinci/time.c
+++ b/arch/arm/mach-davinci/time.c
@@ -406,11 +406,11 @@ struct sys_timer davinci_timer = {
void davinci_watchdog_reset(void)
{
u32 tgcr, wdtcr;
- struct davinci_soc_info *soc_info = &davinci_soc_info;
- void __iomem *base = soc_info->wdt_base;
+ struct platform_device *pdev = &davinci_wdt_device;
+ void __iomem *base = IO_ADDRESS(pdev->resource[0].start);
struct clk *wd_clk;
- wd_clk = clk_get(&davinci_wdt_device.dev, NULL);
+ wd_clk = clk_get(&pdev->dev, NULL);
if (WARN_ON(IS_ERR(wd_clk)))
return;
clk_enable(wd_clk);
--
GitLab
From fb8fcb891390639d6258c816abb537663495da0c Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Thu, 11 Jun 2009 09:41:05 -0400
Subject: [PATCH 300/742] davinci: Adding DM365 SOC Support
The patch adds base support for new TI SOC DM365, which s
similar to the dm355.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/clock.c | 5 +-
arch/arm/mach-davinci/dm365.c | 699 +++++++++++++++++++
arch/arm/mach-davinci/include/mach/cputype.h | 8 +
arch/arm/mach-davinci/include/mach/dm365.h | 29 +
arch/arm/mach-davinci/include/mach/irqs.h | 36 +
arch/arm/mach-davinci/include/mach/mux.h | 81 +++
arch/arm/mach-davinci/include/mach/psc.h | 18 +
7 files changed, 875 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/mach-davinci/dm365.c
create mode 100644 arch/arm/mach-davinci/include/mach/dm365.h
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 39bf321d70a2..83d54d50b5ea 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -227,7 +227,10 @@ static void __init clk_pll_init(struct clk *clk)
if (ctrl & PLLCTL_PLLEN) {
bypass = 0;
mult = __raw_readl(pll->base + PLLM);
- mult = (mult & PLLM_PLLM_MASK) + 1;
+ if (cpu_is_davinci_dm365())
+ mult = 2 * (mult & PLLM_PLLM_MASK);
+ else
+ mult = (mult & PLLM_PLLM_MASK) + 1;
} else
bypass = 1;
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
new file mode 100644
index 000000000000..69d35d947767
--- /dev/null
+++ b/arch/arm/mach-davinci/dm365.c
@@ -0,0 +1,699 @@
+/*
+ * TI DaVinci DM365 chip specific setup
+ *
+ * Copyright (C) 2009 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/serial_8250.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/dm365.h>
+#include <mach/clock.h>
+#include <mach/cputype.h>
+#include <mach/edma.h>
+#include <mach/psc.h>
+#include <mach/mux.h>
+#include <mach/irqs.h>
+#include <mach/time.h>
+#include <mach/serial.h>
+#include <mach/common.h>
+
+#include "clock.h"
+#include "mux.h"
+
+#define DM365_REF_FREQ 24000000 /* 24 MHz on the DM365 EVM */
+
+static struct pll_data pll1_data = {
+ .num = 1,
+ .phys_base = DAVINCI_PLL1_BASE,
+ .flags = PLL_HAS_POSTDIV | PLL_HAS_PREDIV,
+};
+
+static struct pll_data pll2_data = {
+ .num = 2,
+ .phys_base = DAVINCI_PLL2_BASE,
+ .flags = PLL_HAS_POSTDIV | PLL_HAS_PREDIV,
+};
+
+static struct clk ref_clk = {
+ .name = "ref_clk",
+ .rate = DM365_REF_FREQ,
+};
+
+static struct clk pll1_clk = {
+ .name = "pll1",
+ .parent = &ref_clk,
+ .flags = CLK_PLL,
+ .pll_data = &pll1_data,
+};
+
+static struct clk pll1_aux_clk = {
+ .name = "pll1_aux_clk",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL | PRE_PLL,
+};
+
+static struct clk pll1_sysclkbp = {
+ .name = "pll1_sysclkbp",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL | PRE_PLL,
+ .div_reg = BPDIV
+};
+
+static struct clk clkout0_clk = {
+ .name = "clkout0",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL | PRE_PLL,
+};
+
+static struct clk pll1_sysclk1 = {
+ .name = "pll1_sysclk1",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV1,
+};
+
+static struct clk pll1_sysclk2 = {
+ .name = "pll1_sysclk2",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV2,
+};
+
+static struct clk pll1_sysclk3 = {
+ .name = "pll1_sysclk3",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV3,
+};
+
+static struct clk pll1_sysclk4 = {
+ .name = "pll1_sysclk4",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV4,
+};
+
+static struct clk pll1_sysclk5 = {
+ .name = "pll1_sysclk5",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV5,
+};
+
+static struct clk pll1_sysclk6 = {
+ .name = "pll1_sysclk6",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV6,
+};
+
+static struct clk pll1_sysclk7 = {
+ .name = "pll1_sysclk7",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV7,
+};
+
+static struct clk pll1_sysclk8 = {
+ .name = "pll1_sysclk8",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV8,
+};
+
+static struct clk pll1_sysclk9 = {
+ .name = "pll1_sysclk9",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV9,
+};
+
+static struct clk pll2_clk = {
+ .name = "pll2",
+ .parent = &ref_clk,
+ .flags = CLK_PLL,
+ .pll_data = &pll2_data,
+};
+
+static struct clk pll2_aux_clk = {
+ .name = "pll2_aux_clk",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL | PRE_PLL,
+};
+
+static struct clk clkout1_clk = {
+ .name = "clkout1",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL | PRE_PLL,
+};
+
+static struct clk pll2_sysclk1 = {
+ .name = "pll2_sysclk1",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV1,
+};
+
+static struct clk pll2_sysclk2 = {
+ .name = "pll2_sysclk2",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV2,
+};
+
+static struct clk pll2_sysclk3 = {
+ .name = "pll2_sysclk3",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV3,
+};
+
+static struct clk pll2_sysclk4 = {
+ .name = "pll2_sysclk4",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV4,
+};
+
+static struct clk pll2_sysclk5 = {
+ .name = "pll2_sysclk5",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV5,
+};
+
+static struct clk pll2_sysclk6 = {
+ .name = "pll2_sysclk6",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV6,
+};
+
+static struct clk pll2_sysclk7 = {
+ .name = "pll2_sysclk7",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV7,
+};
+
+static struct clk pll2_sysclk8 = {
+ .name = "pll2_sysclk8",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV8,
+};
+
+static struct clk pll2_sysclk9 = {
+ .name = "pll2_sysclk9",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV9,
+};
+
+static struct clk vpss_dac_clk = {
+ .name = "vpss_dac",
+ .parent = &pll1_sysclk3,
+ .lpsc = DM365_LPSC_DAC_CLK,
+};
+
+static struct clk vpss_master_clk = {
+ .name = "vpss_master",
+ .parent = &pll1_sysclk5,
+ .lpsc = DM365_LPSC_VPSSMSTR,
+ .flags = CLK_PSC,
+};
+
+static struct clk arm_clk = {
+ .name = "arm_clk",
+ .parent = &pll2_sysclk2,
+ .lpsc = DAVINCI_LPSC_ARM,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk uart0_clk = {
+ .name = "uart0",
+ .parent = &pll1_aux_clk,
+ .lpsc = DAVINCI_LPSC_UART0,
+};
+
+static struct clk uart1_clk = {
+ .name = "uart1",
+ .parent = &pll1_sysclk4,
+ .lpsc = DAVINCI_LPSC_UART1,
+};
+
+static struct clk i2c_clk = {
+ .name = "i2c",
+ .parent = &pll1_aux_clk,
+ .lpsc = DAVINCI_LPSC_I2C,
+};
+
+static struct clk mmcsd0_clk = {
+ .name = "mmcsd0",
+ .parent = &pll1_sysclk8,
+ .lpsc = DAVINCI_LPSC_MMC_SD,
+};
+
+static struct clk mmcsd1_clk = {
+ .name = "mmcsd1",
+ .parent = &pll1_sysclk4,
+ .lpsc = DM365_LPSC_MMC_SD1,
+};
+
+static struct clk spi0_clk = {
+ .name = "spi0",
+ .parent = &pll1_sysclk4,
+ .lpsc = DAVINCI_LPSC_SPI,
+};
+
+static struct clk spi1_clk = {
+ .name = "spi1",
+ .parent = &pll1_sysclk4,
+ .lpsc = DM365_LPSC_SPI1,
+};
+
+static struct clk spi2_clk = {
+ .name = "spi2",
+ .parent = &pll1_sysclk4,
+ .lpsc = DM365_LPSC_SPI2,
+};
+
+static struct clk spi3_clk = {
+ .name = "spi3",
+ .parent = &pll1_sysclk4,
+ .lpsc = DM365_LPSC_SPI3,
+};
+
+static struct clk spi4_clk = {
+ .name = "spi4",
+ .parent = &pll1_aux_clk,
+ .lpsc = DM365_LPSC_SPI4,
+};
+
+static struct clk gpio_clk = {
+ .name = "gpio",
+ .parent = &pll1_sysclk4,
+ .lpsc = DAVINCI_LPSC_GPIO,
+};
+
+static struct clk aemif_clk = {
+ .name = "aemif",
+ .parent = &pll1_sysclk4,
+ .lpsc = DAVINCI_LPSC_AEMIF,
+};
+
+static struct clk pwm0_clk = {
+ .name = "pwm0",
+ .parent = &pll1_aux_clk,
+ .lpsc = DAVINCI_LPSC_PWM0,
+};
+
+static struct clk pwm1_clk = {
+ .name = "pwm1",
+ .parent = &pll1_aux_clk,
+ .lpsc = DAVINCI_LPSC_PWM1,
+};
+
+static struct clk pwm2_clk = {
+ .name = "pwm2",
+ .parent = &pll1_aux_clk,
+ .lpsc = DAVINCI_LPSC_PWM2,
+};
+
+static struct clk pwm3_clk = {
+ .name = "pwm3",
+ .parent = &ref_clk,
+ .lpsc = DM365_LPSC_PWM3,
+};
+
+static struct clk timer0_clk = {
+ .name = "timer0",
+ .parent = &pll1_aux_clk,
+ .lpsc = DAVINCI_LPSC_TIMER0,
+};
+
+static struct clk timer1_clk = {
+ .name = "timer1",
+ .parent = &pll1_aux_clk,
+ .lpsc = DAVINCI_LPSC_TIMER1,
+};
+
+static struct clk timer2_clk = {
+ .name = "timer2",
+ .parent = &pll1_aux_clk,
+ .lpsc = DAVINCI_LPSC_TIMER2,
+ .usecount = 1,
+};
+
+static struct clk timer3_clk = {
+ .name = "timer3",
+ .parent = &pll1_aux_clk,
+ .lpsc = DM365_LPSC_TIMER3,
+};
+
+static struct clk usb_clk = {
+ .name = "usb",
+ .parent = &pll2_sysclk1,
+ .lpsc = DAVINCI_LPSC_USB,
+};
+
+static struct clk emac_clk = {
+ .name = "emac",
+ .parent = &pll1_sysclk4,
+ .lpsc = DM365_LPSC_EMAC,
+};
+
+static struct clk voicecodec_clk = {
+ .name = "voice_codec",
+ .parent = &pll2_sysclk4,
+ .lpsc = DM365_LPSC_VOICE_CODEC,
+};
+
+static struct clk asp0_clk = {
+ .name = "asp0",
+ .parent = &pll1_sysclk4,
+ .lpsc = DM365_LPSC_McBSP1,
+};
+
+static struct clk rto_clk = {
+ .name = "rto",
+ .parent = &pll1_sysclk4,
+ .lpsc = DM365_LPSC_RTO,
+};
+
+static struct clk mjcp_clk = {
+ .name = "mjcp",
+ .parent = &pll1_sysclk3,
+ .lpsc = DM365_LPSC_MJCP,
+};
+
+static struct davinci_clk dm365_clks[] = {
+ CLK(NULL, "ref", &ref_clk),
+ CLK(NULL, "pll1", &pll1_clk),
+ CLK(NULL, "pll1_aux", &pll1_aux_clk),
+ CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
+ CLK(NULL, "clkout0", &clkout0_clk),
+ CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
+ CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
+ CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
+ CLK(NULL, "pll1_sysclk4", &pll1_sysclk4),
+ CLK(NULL, "pll1_sysclk5", &pll1_sysclk5),
+ CLK(NULL, "pll1_sysclk6", &pll1_sysclk6),
+ CLK(NULL, "pll1_sysclk7", &pll1_sysclk7),
+ CLK(NULL, "pll1_sysclk8", &pll1_sysclk8),
+ CLK(NULL, "pll1_sysclk9", &pll1_sysclk9),
+ CLK(NULL, "pll2", &pll2_clk),
+ CLK(NULL, "pll2_aux", &pll2_aux_clk),
+ CLK(NULL, "clkout1", &clkout1_clk),
+ CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
+ CLK(NULL, "pll2_sysclk2", &pll2_sysclk2),
+ CLK(NULL, "pll2_sysclk3", &pll2_sysclk3),
+ CLK(NULL, "pll2_sysclk4", &pll2_sysclk4),
+ CLK(NULL, "pll2_sysclk5", &pll2_sysclk5),
+ CLK(NULL, "pll2_sysclk6", &pll2_sysclk6),
+ CLK(NULL, "pll2_sysclk7", &pll2_sysclk7),
+ CLK(NULL, "pll2_sysclk8", &pll2_sysclk8),
+ CLK(NULL, "pll2_sysclk9", &pll2_sysclk9),
+ CLK(NULL, "vpss_dac", &vpss_dac_clk),
+ CLK(NULL, "vpss_master", &vpss_master_clk),
+ CLK(NULL, "arm", &arm_clk),
+ CLK(NULL, "uart0", &uart0_clk),
+ CLK(NULL, "uart1", &uart1_clk),
+ CLK("i2c_davinci.1", NULL, &i2c_clk),
+ CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
+ CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
+ CLK("spi_davinci.0", NULL, &spi0_clk),
+ CLK("spi_davinci.1", NULL, &spi1_clk),
+ CLK("spi_davinci.2", NULL, &spi2_clk),
+ CLK("spi_davinci.3", NULL, &spi3_clk),
+ CLK("spi_davinci.4", NULL, &spi4_clk),
+ CLK(NULL, "gpio", &gpio_clk),
+ CLK(NULL, "aemif", &aemif_clk),
+ CLK(NULL, "pwm0", &pwm0_clk),
+ CLK(NULL, "pwm1", &pwm1_clk),
+ CLK(NULL, "pwm2", &pwm2_clk),
+ CLK(NULL, "pwm3", &pwm3_clk),
+ CLK(NULL, "timer0", &timer0_clk),
+ CLK(NULL, "timer1", &timer1_clk),
+ CLK("watchdog", NULL, &timer2_clk),
+ CLK(NULL, "timer3", &timer3_clk),
+ CLK(NULL, "usb", &usb_clk),
+ CLK("davinci_emac.1", NULL, &emac_clk),
+ CLK("voice_codec", NULL, &voicecodec_clk),
+ CLK("soc-audio.0", NULL, &asp0_clk),
+ CLK(NULL, "rto", &rto_clk),
+ CLK(NULL, "mjcp", &mjcp_clk),
+ CLK(NULL, NULL, NULL),
+};
+
+/*----------------------------------------------------------------------*/
+
+#define PINMUX0 0x00
+#define PINMUX1 0x04
+#define PINMUX2 0x08
+#define PINMUX3 0x0c
+#define PINMUX4 0x10
+#define INTMUX 0x18
+#define EVTMUX 0x1c
+
+
+static const struct mux_config dm365_pins[] = {
+#ifdef CONFIG_DAVINCI_MUX
+MUX_CFG(DM365, MMCSD0, 0, 24, 1, 0, false)
+
+MUX_CFG(DM365, SD1_CLK, 0, 16, 3, 1, false)
+MUX_CFG(DM365, SD1_CMD, 4, 30, 3, 1, false)
+MUX_CFG(DM365, SD1_DATA3, 4, 28, 3, 1, false)
+MUX_CFG(DM365, SD1_DATA2, 4, 26, 3, 1, false)
+MUX_CFG(DM365, SD1_DATA1, 4, 24, 3, 1, false)
+MUX_CFG(DM365, SD1_DATA0, 4, 22, 3, 1, false)
+
+MUX_CFG(DM365, I2C_SDA, 3, 23, 3, 2, false)
+MUX_CFG(DM365, I2C_SCL, 3, 21, 3, 2, false)
+
+MUX_CFG(DM365, AEMIF_AR, 2, 0, 3, 1, false)
+MUX_CFG(DM365, AEMIF_A3, 2, 2, 3, 1, false)
+MUX_CFG(DM365, AEMIF_A7, 2, 4, 3, 1, false)
+MUX_CFG(DM365, AEMIF_D15_8, 2, 6, 1, 1, false)
+MUX_CFG(DM365, AEMIF_CE0, 2, 7, 1, 0, false)
+
+MUX_CFG(DM365, MCBSP0_BDX, 0, 23, 1, 1, false)
+MUX_CFG(DM365, MCBSP0_X, 0, 22, 1, 1, false)
+MUX_CFG(DM365, MCBSP0_BFSX, 0, 21, 1, 1, false)
+MUX_CFG(DM365, MCBSP0_BDR, 0, 20, 1, 1, false)
+MUX_CFG(DM365, MCBSP0_R, 0, 19, 1, 1, false)
+MUX_CFG(DM365, MCBSP0_BFSR, 0, 18, 1, 1, false)
+
+MUX_CFG(DM365, SPI0_SCLK, 3, 28, 1, 1, false)
+MUX_CFG(DM365, SPI0_SDI, 3, 26, 3, 1, false)
+MUX_CFG(DM365, SPI0_SDO, 3, 25, 1, 1, false)
+MUX_CFG(DM365, SPI0_SDENA0, 3, 29, 3, 1, false)
+MUX_CFG(DM365, SPI0_SDENA1, 3, 26, 3, 2, false)
+
+MUX_CFG(DM365, UART0_RXD, 3, 20, 1, 1, false)
+MUX_CFG(DM365, UART0_TXD, 3, 19, 1, 1, false)
+MUX_CFG(DM365, UART1_RXD, 3, 17, 3, 2, false)
+MUX_CFG(DM365, UART1_TXD, 3, 15, 3, 2, false)
+MUX_CFG(DM365, UART1_RTS, 3, 23, 3, 1, false)
+MUX_CFG(DM365, UART1_CTS, 3, 21, 3, 1, false)
+
+MUX_CFG(DM365, EMAC_TX_EN, 3, 17, 3, 1, false)
+MUX_CFG(DM365, EMAC_TX_CLK, 3, 15, 3, 1, false)
+MUX_CFG(DM365, EMAC_COL, 3, 14, 1, 1, false)
+MUX_CFG(DM365, EMAC_TXD3, 3, 13, 1, 1, false)
+MUX_CFG(DM365, EMAC_TXD2, 3, 12, 1, 1, false)
+MUX_CFG(DM365, EMAC_TXD1, 3, 11, 1, 1, false)
+MUX_CFG(DM365, EMAC_TXD0, 3, 10, 1, 1, false)
+MUX_CFG(DM365, EMAC_RXD3, 3, 9, 1, 1, false)
+MUX_CFG(DM365, EMAC_RXD2, 3, 8, 1, 1, false)
+MUX_CFG(DM365, EMAC_RXD1, 3, 7, 1, 1, false)
+MUX_CFG(DM365, EMAC_RXD0, 3, 6, 1, 1, false)
+MUX_CFG(DM365, EMAC_RX_CLK, 3, 5, 1, 1, false)
+MUX_CFG(DM365, EMAC_RX_DV, 3, 4, 1, 1, false)
+MUX_CFG(DM365, EMAC_RX_ER, 3, 3, 1, 1, false)
+MUX_CFG(DM365, EMAC_CRS, 3, 2, 1, 1, false)
+MUX_CFG(DM365, EMAC_MDIO, 3, 1, 1, 1, false)
+MUX_CFG(DM365, EMAC_MDCLK, 3, 0, 1, 1, false)
+#endif
+};
+
+
+static u8 dm365_default_priorities[DAVINCI_N_AINTC_IRQ] = {
+ [IRQ_VDINT0] = 2,
+ [IRQ_VDINT1] = 6,
+ [IRQ_VDINT2] = 6,
+ [IRQ_HISTINT] = 6,
+ [IRQ_H3AINT] = 6,
+ [IRQ_PRVUINT] = 6,
+ [IRQ_RSZINT] = 6,
+ [IRQ_DM365_INSFINT] = 7,
+ [IRQ_VENCINT] = 6,
+ [IRQ_ASQINT] = 6,
+ [IRQ_IMXINT] = 6,
+ [IRQ_DM365_IMCOPINT] = 4,
+ [IRQ_USBINT] = 4,
+ [IRQ_DM365_RTOINT] = 7,
+ [IRQ_DM365_TINT5] = 7,
+ [IRQ_DM365_TINT6] = 5,
+ [IRQ_CCINT0] = 5,
+ [IRQ_CCERRINT] = 5,
+ [IRQ_TCERRINT0] = 5,
+ [IRQ_TCERRINT] = 7,
+ [IRQ_PSCIN] = 4,
+ [IRQ_DM365_SPINT2_1] = 7,
+ [IRQ_DM365_TINT7] = 7,
+ [IRQ_DM365_SDIOINT0] = 7,
+ [IRQ_MBXINT] = 7,
+ [IRQ_MBRINT] = 7,
+ [IRQ_MMCINT] = 7,
+ [IRQ_DM365_MMCINT1] = 7,
+ [IRQ_DM365_PWMINT3] = 7,
+ [IRQ_DDRINT] = 4,
+ [IRQ_AEMIFINT] = 2,
+ [IRQ_DM365_SDIOINT1] = 2,
+ [IRQ_TINT0_TINT12] = 7,
+ [IRQ_TINT0_TINT34] = 7,
+ [IRQ_TINT1_TINT12] = 7,
+ [IRQ_TINT1_TINT34] = 7,
+ [IRQ_PWMINT0] = 7,
+ [IRQ_PWMINT1] = 3,
+ [IRQ_PWMINT2] = 3,
+ [IRQ_I2C] = 3,
+ [IRQ_UARTINT0] = 3,
+ [IRQ_UARTINT1] = 3,
+ [IRQ_DM365_SPIINT0_0] = 3,
+ [IRQ_DM365_SPIINT3_0] = 3,
+ [IRQ_DM365_GPIO0] = 3,
+ [IRQ_DM365_GPIO1] = 7,
+ [IRQ_DM365_GPIO2] = 4,
+ [IRQ_DM365_GPIO3] = 4,
+ [IRQ_DM365_GPIO4] = 7,
+ [IRQ_DM365_GPIO5] = 7,
+ [IRQ_DM365_GPIO6] = 7,
+ [IRQ_DM365_GPIO7] = 7,
+ [IRQ_DM365_EMAC_RXTHRESH] = 7,
+ [IRQ_DM365_EMAC_RXPULSE] = 7,
+ [IRQ_DM365_EMAC_TXPULSE] = 7,
+ [IRQ_DM365_EMAC_MISCPULSE] = 7,
+ [IRQ_DM365_GPIO12] = 7,
+ [IRQ_DM365_GPIO13] = 7,
+ [IRQ_DM365_GPIO14] = 7,
+ [IRQ_DM365_GPIO15] = 7,
+ [IRQ_DM365_KEYINT] = 7,
+ [IRQ_DM365_TCERRINT2] = 7,
+ [IRQ_DM365_TCERRINT3] = 7,
+ [IRQ_DM365_EMUINT] = 7,
+};
+
+static struct map_desc dm365_io_desc[] = {
+ {
+ .virtual = IO_VIRT,
+ .pfn = __phys_to_pfn(IO_PHYS),
+ .length = IO_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = SRAM_VIRT,
+ .pfn = __phys_to_pfn(0x00010000),
+ .length = SZ_32K,
+ /* MT_MEMORY_NONCACHED requires supersection alignment */
+ .type = MT_DEVICE,
+ },
+};
+
+/* Contents of JTAG ID register used to identify exact cpu type */
+static struct davinci_id dm365_ids[] = {
+ {
+ .variant = 0x0,
+ .part_no = 0xb83e,
+ .manufacturer = 0x017,
+ .cpu_id = DAVINCI_CPU_ID_DM365,
+ .name = "dm365",
+ },
+};
+
+static void __iomem *dm365_psc_bases[] = {
+ IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
+};
+
+struct davinci_timer_info dm365_timer_info = {
+ .timers = davinci_timer_instance,
+ .clockevent_id = T0_BOT,
+ .clocksource_id = T0_TOP,
+};
+
+static struct plat_serial8250_port dm365_serial_platform_data[] = {
+ {
+ .mapbase = DAVINCI_UART0_BASE,
+ .irq = IRQ_UARTINT0,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+ UPF_IOREMAP,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ },
+ {
+ .mapbase = DAVINCI_UART1_BASE,
+ .irq = IRQ_UARTINT1,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+ UPF_IOREMAP,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ },
+ {
+ .flags = 0
+ },
+};
+
+static struct platform_device dm365_serial_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = dm365_serial_platform_data,
+ },
+};
+
+static struct davinci_soc_info davinci_soc_info_dm365 = {
+ .io_desc = dm365_io_desc,
+ .io_desc_num = ARRAY_SIZE(dm365_io_desc),
+ .jtag_id_base = IO_ADDRESS(0x01c40028),
+ .ids = dm365_ids,
+ .ids_num = ARRAY_SIZE(dm365_ids),
+ .cpu_clks = dm365_clks,
+ .psc_bases = dm365_psc_bases,
+ .psc_bases_num = ARRAY_SIZE(dm365_psc_bases),
+ .pinmux_base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
+ .pinmux_pins = dm365_pins,
+ .pinmux_pins_num = ARRAY_SIZE(dm365_pins),
+ .intc_base = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
+ .intc_type = DAVINCI_INTC_TYPE_AINTC,
+ .intc_irq_prios = dm365_default_priorities,
+ .intc_irq_num = DAVINCI_N_AINTC_IRQ,
+ .timer_info = &dm365_timer_info,
+ .gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
+ .gpio_num = 104,
+ .gpio_irq = 44,
+ .serial_dev = &dm365_serial_device,
+ .sram_dma = 0x00010000,
+ .sram_len = SZ_32K,
+};
+
+void __init dm365_init(void)
+{
+ davinci_common_init(&davinci_soc_info_dm365);
+}
diff --git a/arch/arm/mach-davinci/include/mach/cputype.h b/arch/arm/mach-davinci/include/mach/cputype.h
index d12a5ed2959a..56b92d49e293 100644
--- a/arch/arm/mach-davinci/include/mach/cputype.h
+++ b/arch/arm/mach-davinci/include/mach/cputype.h
@@ -30,6 +30,7 @@ struct davinci_id {
#define DAVINCI_CPU_ID_DM6446 0x64460000
#define DAVINCI_CPU_ID_DM6467 0x64670000
#define DAVINCI_CPU_ID_DM355 0x03550000
+#define DAVINCI_CPU_ID_DM365 0x03650000
#define IS_DAVINCI_CPU(type, id) \
static inline int is_davinci_ ##type(void) \
@@ -40,6 +41,7 @@ static inline int is_davinci_ ##type(void) \
IS_DAVINCI_CPU(dm644x, DAVINCI_CPU_ID_DM6446)
IS_DAVINCI_CPU(dm646x, DAVINCI_CPU_ID_DM6467)
IS_DAVINCI_CPU(dm355, DAVINCI_CPU_ID_DM355)
+IS_DAVINCI_CPU(dm365, DAVINCI_CPU_ID_DM365)
#ifdef CONFIG_ARCH_DAVINCI_DM644x
#define cpu_is_davinci_dm644x() is_davinci_dm644x()
@@ -59,4 +61,10 @@ IS_DAVINCI_CPU(dm355, DAVINCI_CPU_ID_DM355)
#define cpu_is_davinci_dm355() 0
#endif
+#ifdef CONFIG_ARCH_DAVINCI_DM365
+#define cpu_is_davinci_dm365() is_davinci_dm365()
+#else
+#define cpu_is_davinci_dm365() 0
+#endif
+
#endif
diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h
new file mode 100644
index 000000000000..09db4343bb4c
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/dm365.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2009 Texas Instruments Incorporated
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#ifndef __ASM_ARCH_DM365_H
+#define __ASM_ARCH_DM665_H
+
+#include <linux/platform_device.h>
+#include <mach/hardware.h>
+#include <mach/emac.h>
+
+#define DM365_EMAC_BASE (0x01D07000)
+#define DM365_EMAC_CNTRL_OFFSET (0x0000)
+#define DM365_EMAC_CNTRL_MOD_OFFSET (0x3000)
+#define DM365_EMAC_CNTRL_RAM_OFFSET (0x1000)
+#define DM365_EMAC_MDIO_OFFSET (0x4000)
+#define DM365_EMAC_CNTRL_RAM_SIZE (0x2000)
+
+void __init dm365_init(void);
+
+#endif /* __ASM_ARCH_DM365_H */
diff --git a/arch/arm/mach-davinci/include/mach/irqs.h b/arch/arm/mach-davinci/include/mach/irqs.h
index bc5d6aaa69a3..0d34f2fb0993 100644
--- a/arch/arm/mach-davinci/include/mach/irqs.h
+++ b/arch/arm/mach-davinci/include/mach/irqs.h
@@ -206,4 +206,40 @@
#define IRQ_DM355_GPIOBNK5 59
#define IRQ_DM355_GPIOBNK6 60
+/* DaVinci DM365-specific Interrupts */
+#define IRQ_DM365_INSFINT 7
+#define IRQ_DM365_IMCOPINT 11
+#define IRQ_DM365_RTOINT 13
+#define IRQ_DM365_TINT5 14
+#define IRQ_DM365_TINT6 15
+#define IRQ_DM365_SPINT2_1 21
+#define IRQ_DM365_TINT7 22
+#define IRQ_DM365_SDIOINT0 23
+#define IRQ_DM365_MMCINT1 27
+#define IRQ_DM365_PWMINT3 28
+#define IRQ_DM365_SDIOINT1 31
+#define IRQ_DM365_SPIINT0_0 42
+#define IRQ_DM365_SPIINT3_0 43
+#define IRQ_DM365_GPIO0 44
+#define IRQ_DM365_GPIO1 45
+#define IRQ_DM365_GPIO2 46
+#define IRQ_DM365_GPIO3 47
+#define IRQ_DM365_GPIO4 48
+#define IRQ_DM365_GPIO5 49
+#define IRQ_DM365_GPIO6 50
+#define IRQ_DM365_GPIO7 51
+#define IRQ_DM365_EMAC_RXTHRESH 52
+#define IRQ_DM365_EMAC_RXPULSE 53
+#define IRQ_DM365_EMAC_TXPULSE 54
+#define IRQ_DM365_EMAC_MISCPULSE 55
+#define IRQ_DM365_GPIO12 56
+#define IRQ_DM365_GPIO13 57
+#define IRQ_DM365_GPIO14 58
+#define IRQ_DM365_GPIO15 59
+#define IRQ_DM365_ADCINT 59
+#define IRQ_DM365_KEYINT 60
+#define IRQ_DM365_TCERRINT2 61
+#define IRQ_DM365_TCERRINT3 62
+#define IRQ_DM365_EMUINT 63
+
#endif /* __ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 27378458542f..c182bd458d73 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -156,6 +156,87 @@ enum davinci_dm355_index {
DM355_EVT26_MMC0_RX,
};
+enum davinci_dm365_index {
+ /* MMC/SD 0 */
+ DM365_MMCSD0,
+
+ /* MMC/SD 1 */
+ DM365_SD1_CLK,
+ DM365_SD1_CMD,
+ DM365_SD1_DATA3,
+ DM365_SD1_DATA2,
+ DM365_SD1_DATA1,
+ DM365_SD1_DATA0,
+
+ /* I2C */
+ DM365_I2C_SDA,
+ DM365_I2C_SCL,
+
+ /* AEMIF */
+ DM365_AEMIF_AR,
+ DM365_AEMIF_A3,
+ DM365_AEMIF_A7,
+ DM365_AEMIF_D15_8,
+ DM365_AEMIF_CE0,
+
+ /* ASP0 function */
+ DM365_MCBSP0_BDX,
+ DM365_MCBSP0_X,
+ DM365_MCBSP0_BFSX,
+ DM365_MCBSP0_BDR,
+ DM365_MCBSP0_R,
+ DM365_MCBSP0_BFSR,
+
+ /* SPI0 */
+ DM365_SPI0_SCLK,
+ DM365_SPI0_SDI,
+ DM365_SPI0_SDO,
+ DM365_SPI0_SDENA0,
+ DM365_SPI0_SDENA1,
+
+ /* UART */
+ DM365_UART0_RXD,
+ DM365_UART0_TXD,
+ DM365_UART1_RXD,
+ DM365_UART1_TXD,
+ DM365_UART1_RTS,
+ DM365_UART1_CTS,
+
+ /* EMAC */
+ DM365_EMAC_TX_EN,
+ DM365_EMAC_TX_CLK,
+ DM365_EMAC_COL,
+ DM365_EMAC_TXD3,
+ DM365_EMAC_TXD2,
+ DM365_EMAC_TXD1,
+ DM365_EMAC_TXD0,
+ DM365_EMAC_RXD3,
+ DM365_EMAC_RXD2,
+ DM365_EMAC_RXD1,
+ DM365_EMAC_RXD0,
+ DM365_EMAC_RX_CLK,
+ DM365_EMAC_RX_DV,
+ DM365_EMAC_RX_ER,
+ DM365_EMAC_CRS,
+ DM365_EMAC_MDIO,
+ DM365_EMAC_MDCLK,
+
+ /* IRQ muxing */
+ DM365_INT_EDMA_CC,
+ DM365_INT_EDMA_TC0_ERR,
+ DM365_INT_EDMA_TC1_ERR,
+ DM365_INT_PRTCSS,
+ DM365_INT_EMAC_RXTHRESH,
+ DM365_INT_EMAC_RXPULSE,
+ DM365_INT_EMAC_TXPULSE,
+ DM365_INT_EMAC_MISCPULSE,
+
+ /* EDMA event muxing */
+ DM365_EVT2_ASP_TX,
+ DM365_EVT3_ASP_RX,
+ DM365_EVT26_MMC0_RX,
+};
+
#ifdef CONFIG_DAVINCI_MUX
/* setup pin muxing */
extern int davinci_cfg_reg(unsigned long reg_cfg);
diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index ab8a2586d1cc..2bb414b14297 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -81,6 +81,24 @@
#define DM355_LPSC_RTO 12
#define DM355_LPSC_VPSS_DAC 41
+/* DM365 */
+#define DM365_LPSC_TIMER3 5
+#define DM365_LPSC_SPI1 6
+#define DM365_LPSC_MMC_SD1 7
+#define DM365_LPSC_McBSP1 8
+#define DM365_LPSC_PWM3 10
+#define DM365_LPSC_SPI2 11
+#define DM365_LPSC_RTO 12
+#define DM365_LPSC_TIMER4 17
+#define DM365_LPSC_SPI0 22
+#define DM365_LPSC_SPI3 38
+#define DM365_LPSC_SPI4 39
+#define DM365_LPSC_EMAC 40
+#define DM365_LPSC_VOICE_CODEC 44
+#define DM365_LPSC_DAC_CLK 46
+#define DM365_LPSC_VPSSMSTR 47
+#define DM365_LPSC_MJCP 50
+
/*
* LPSC Assignments
*/
--
GitLab
From 37dd00956361528776d1dd76eb303a55b91fb23a Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Tue, 9 Jun 2009 16:28:15 -0400
Subject: [PATCH 301/742] davinci: Adding DM365 EVM board support
The patch adds support for Evaluation Module (EVM) board for the dm365
SoC.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm365-evm.c | 76 +++++++++++++++++++++++++
1 file changed, 76 insertions(+)
create mode 100644 arch/arm/mach-davinci/board-dm365-evm.c
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
new file mode 100644
index 000000000000..08c2f12d03d1
--- /dev/null
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -0,0 +1,76 @@
+/*
+ * TI DaVinci DM365 EVM board support
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/i2c.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/dm365.h>
+#include <mach/psc.h>
+#include <mach/common.h>
+#include <mach/i2c.h>
+#include <linux/i2c.h>
+#include <mach/serial.h>
+#include <mach/common.h>
+
+static struct davinci_i2c_platform_data i2c_pdata = {
+ .bus_freq = 400 /* kHz */,
+ .bus_delay = 0 /* usec */,
+};
+
+static void __init evm_init_i2c(void)
+{
+ davinci_init_i2c(&i2c_pdata);
+}
+
+static struct davinci_uart_config uart_config __initdata = {
+ .enabled_uarts = (1 << 0),
+};
+
+static void __init dm365_evm_map_io(void)
+{
+ dm365_init();
+}
+
+static __init void dm365_evm_init(void)
+{
+ evm_init_i2c();
+ davinci_serial_init(&uart_config);
+}
+
+static __init void dm365_evm_irq_init(void)
+{
+ davinci_irq_init();
+}
+
+MACHINE_START(DAVINCI_DM365_EVM, "DaVinci DM365 EVM")
+ .phys_io = IO_PHYS,
+ .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
+ .boot_params = (0x80000100),
+ .map_io = dm365_evm_map_io,
+ .init_irq = dm365_evm_irq_init,
+ .timer = &davinci_timer,
+ .init_machine = dm365_evm_init,
+MACHINE_END
+
--
GitLab
From a46e9e403cf930c7a09f7732bba78b38ab14f067 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Tue, 9 Jun 2009 16:28:44 -0400
Subject: [PATCH 302/742] davinci: Adding DM365 entries to
Makefile/Kconfig/defconfig
This patch does the following
1) Adds entries to davinci_all_defconfig for DM365
2) Adds entries to the Makefile for DM365
3) Adds entries for DM365 in the Kconfig
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/configs/davinci_all_defconfig | 2 ++
arch/arm/mach-davinci/Kconfig | 13 +++++++++++++
arch/arm/mach-davinci/Makefile | 2 ++
3 files changed, 17 insertions(+)
diff --git a/arch/arm/configs/davinci_all_defconfig b/arch/arm/configs/davinci_all_defconfig
index ac18662f38cc..6eb6d9da0dc9 100644
--- a/arch/arm/configs/davinci_all_defconfig
+++ b/arch/arm/configs/davinci_all_defconfig
@@ -191,6 +191,7 @@ CONFIG_AINTC=y
CONFIG_ARCH_DAVINCI_DM644x=y
CONFIG_ARCH_DAVINCI_DM355=y
CONFIG_ARCH_DAVINCI_DM646x=y
+CONFIG_ARCH_DAVINCI_DM365=y
#
# DaVinci Board Type
@@ -200,6 +201,7 @@ CONFIG_MACH_SFFSDR=y
CONFIG_MACH_DAVINCI_DM355_EVM=y
CONFIG_MACH_DM355_LEOPARD=y
CONFIG_MACH_DAVINCI_DM6467_EVM=y
+CONFIG_MACH_DAVINCI_DM365_EVM=y
CONFIG_DAVINCI_MUX=y
CONFIG_DAVINCI_MUX_DEBUG=y
CONFIG_DAVINCI_MUX_WARNINGS=y
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index b06cf85fd297..b16f5e31c08a 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -22,6 +22,11 @@ config ARCH_DAVINCI_DM646x
bool "DaVinci 646x based system"
select AINTC
+config ARCH_DAVINCI_DM365
+ bool "DaVinci 365 based system"
+ select AINTC
+ select ARCH_DAVINCI_DMx
+
comment "DaVinci Board Type"
config MACH_DAVINCI_EVM
@@ -62,6 +67,14 @@ config MACH_DAVINCI_DM6467_EVM
Configure this option to specify the whether the board used
for development is a DM6467 EVM
+config MACH_DAVINCI_DM365_EVM
+ bool "TI DM365 EVM"
+ default ARCH_DAVINCI_DM365
+ depends on ARCH_DAVINCI_DM365
+ help
+ Configure this option to specify whether the board used
+ for development is a DM365 EVM
+
config DAVINCI_MUX
bool "DAVINCI multiplexing support"
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 059ab78084ba..bea7ba65b3f4 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_DAVINCI_MUX) += mux.o
obj-$(CONFIG_ARCH_DAVINCI_DM644x) += dm644x.o
obj-$(CONFIG_ARCH_DAVINCI_DM355) += dm355.o
obj-$(CONFIG_ARCH_DAVINCI_DM646x) += dm646x.o
+obj-$(CONFIG_ARCH_DAVINCI_DM365) += dm365.o
obj-$(CONFIG_AINTC) += irq.o
obj-$(CONFIG_CP_INTC) += cp_intc.o
@@ -23,3 +24,4 @@ obj-$(CONFIG_MACH_SFFSDR) += board-sffsdr.o
obj-$(CONFIG_MACH_DAVINCI_DM355_EVM) += board-dm355-evm.o
obj-$(CONFIG_MACH_DM355_LEOPARD) += board-dm355-leopard.o
obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM) += board-dm646x-evm.o
+obj-$(CONFIG_MACH_DAVINCI_DM365_EVM) += board-dm365-evm.o
--
GitLab
From 9f5131538368b299aabcc790f1cece0439e65a5e Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Sat, 20 Jun 2009 12:11:09 -0400
Subject: [PATCH 303/742] davinci: dm365: add mux entries for EDMA, RTC, EMAC,
keypad.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm365.c | 13 +++++++++++++
arch/arm/mach-davinci/include/mach/mux.h | 5 +++++
2 files changed, 18 insertions(+)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 69d35d947767..c9ae97a476a4 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -530,6 +530,19 @@ MUX_CFG(DM365, EMAC_RX_ER, 3, 3, 1, 1, false)
MUX_CFG(DM365, EMAC_CRS, 3, 2, 1, 1, false)
MUX_CFG(DM365, EMAC_MDIO, 3, 1, 1, 1, false)
MUX_CFG(DM365, EMAC_MDCLK, 3, 0, 1, 1, false)
+
+MUX_CFG(DM365, KEYPAD, 2, 0, 0x3f, 0x3f, false)
+
+INT_CFG(DM365, INT_EDMA_CC, 2, 1, 1, false)
+INT_CFG(DM365, INT_EDMA_TC0_ERR, 3, 1, 1, false)
+INT_CFG(DM365, INT_EDMA_TC1_ERR, 4, 1, 1, false)
+INT_CFG(DM365, INT_EDMA_TC2_ERR, 22, 1, 1, false)
+INT_CFG(DM365, INT_EDMA_TC3_ERR, 23, 1, 1, false)
+INT_CFG(DM365, INT_PRTCSS, 10, 1, 1, false)
+INT_CFG(DM365, INT_EMAC_RXTHRESH, 14, 1, 1, false)
+INT_CFG(DM365, INT_EMAC_RXPULSE, 15, 1, 1, false)
+INT_CFG(DM365, INT_EMAC_TXPULSE, 16, 1, 1, false)
+INT_CFG(DM365, INT_EMAC_MISCPULSE, 17, 1, 1, false)
#endif
};
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index c182bd458d73..55765e1fdb78 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -221,10 +221,15 @@ enum davinci_dm365_index {
DM365_EMAC_MDIO,
DM365_EMAC_MDCLK,
+ /* Keypad */
+ DM365_KEYPAD,
+
/* IRQ muxing */
DM365_INT_EDMA_CC,
DM365_INT_EDMA_TC0_ERR,
DM365_INT_EDMA_TC1_ERR,
+ DM365_INT_EDMA_TC2_ERR,
+ DM365_INT_EDMA_TC3_ERR,
DM365_INT_PRTCSS,
DM365_INT_EMAC_RXTHRESH,
DM365_INT_EMAC_RXPULSE,
--
GitLab
From 8ed0a9d4e7cfff439f95d08c882841f25a12bf54 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Sat, 20 Jun 2009 12:23:39 -0400
Subject: [PATCH 304/742] davinci: dm365: EMAC support for SoC and dm365 EVM
The patch adds Support for EMAC in the DM365 SOC and
the DM365 EVM board.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm365-evm.c | 66 ++++++++++++++++++++++++-
arch/arm/mach-davinci/dm365.c | 58 ++++++++++++++++++++++
2 files changed, 122 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 08c2f12d03d1..9dda3999c8f3 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -19,12 +19,12 @@
#include <linux/i2c.h>
#include <linux/io.h>
#include <linux/clk.h>
-
+#include <linux/i2c/at24.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
-
+#include <mach/mux.h>
#include <mach/hardware.h>
#include <mach/dm365.h>
#include <mach/psc.h>
@@ -34,14 +34,69 @@
#include <mach/serial.h>
#include <mach/common.h>
+#define DM365_EVM_PHY_MASK (0x2)
+#define DM365_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
+
+static struct at24_platform_data eeprom_info = {
+ .byte_len = (256*1024) / 8,
+ .page_size = 64,
+ .flags = AT24_FLAG_ADDR16,
+ .setup = davinci_get_mac_addr,
+ .context = (void *)0x7f00,
+};
+
+static struct i2c_board_info i2c_info[] = {
+ {
+ I2C_BOARD_INFO("24c256", 0x50),
+ .platform_data = &eeprom_info,
+ },
+};
+
static struct davinci_i2c_platform_data i2c_pdata = {
.bus_freq = 400 /* kHz */,
.bus_delay = 0 /* usec */,
};
+static void dm365evm_emac_configure(void)
+{
+ /*
+ * EMAC pins are multiplexed with GPIO and UART
+ * Further details are available at the DM365 ARM
+ * Subsystem Users Guide(sprufg5.pdf) pages 125 - 127
+ */
+ davinci_cfg_reg(DM365_EMAC_TX_EN);
+ davinci_cfg_reg(DM365_EMAC_TX_CLK);
+ davinci_cfg_reg(DM365_EMAC_COL);
+ davinci_cfg_reg(DM365_EMAC_TXD3);
+ davinci_cfg_reg(DM365_EMAC_TXD2);
+ davinci_cfg_reg(DM365_EMAC_TXD1);
+ davinci_cfg_reg(DM365_EMAC_TXD0);
+ davinci_cfg_reg(DM365_EMAC_RXD3);
+ davinci_cfg_reg(DM365_EMAC_RXD2);
+ davinci_cfg_reg(DM365_EMAC_RXD1);
+ davinci_cfg_reg(DM365_EMAC_RXD0);
+ davinci_cfg_reg(DM365_EMAC_RX_CLK);
+ davinci_cfg_reg(DM365_EMAC_RX_DV);
+ davinci_cfg_reg(DM365_EMAC_RX_ER);
+ davinci_cfg_reg(DM365_EMAC_CRS);
+ davinci_cfg_reg(DM365_EMAC_MDIO);
+ davinci_cfg_reg(DM365_EMAC_MDCLK);
+
+ /*
+ * EMAC interrupts are multiplexed with GPIO interrupts
+ * Details are available at the DM365 ARM
+ * Subsystem Users Guide(sprufg5.pdf) pages 133 - 134
+ */
+ davinci_cfg_reg(DM365_INT_EMAC_RXTHRESH);
+ davinci_cfg_reg(DM365_INT_EMAC_RXPULSE);
+ davinci_cfg_reg(DM365_INT_EMAC_TXPULSE);
+ davinci_cfg_reg(DM365_INT_EMAC_MISCPULSE);
+}
+
static void __init evm_init_i2c(void)
{
davinci_init_i2c(&i2c_pdata);
+ i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
}
static struct davinci_uart_config uart_config __initdata = {
@@ -55,8 +110,15 @@ static void __init dm365_evm_map_io(void)
static __init void dm365_evm_init(void)
{
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
evm_init_i2c();
davinci_serial_init(&uart_config);
+
+ dm365evm_emac_configure();
+
+ soc_info->emac_pdata->phy_mask = DM365_EVM_PHY_MASK;
+ soc_info->emac_pdata->mdio_max_freq = DM365_EVM_MDIO_FREQUENCY;
}
static __init void dm365_evm_irq_init(void)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index c9ae97a476a4..9d615db4463c 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -546,6 +546,52 @@ INT_CFG(DM365, INT_EMAC_MISCPULSE, 17, 1, 1, false)
#endif
};
+static struct emac_platform_data dm365_emac_pdata = {
+ .ctrl_reg_offset = DM365_EMAC_CNTRL_OFFSET,
+ .ctrl_mod_reg_offset = DM365_EMAC_CNTRL_MOD_OFFSET,
+ .ctrl_ram_offset = DM365_EMAC_CNTRL_RAM_OFFSET,
+ .mdio_reg_offset = DM365_EMAC_MDIO_OFFSET,
+ .ctrl_ram_size = DM365_EMAC_CNTRL_RAM_SIZE,
+ .version = EMAC_VERSION_2,
+};
+
+static struct resource dm365_emac_resources[] = {
+ {
+ .start = DM365_EMAC_BASE,
+ .end = DM365_EMAC_BASE + 0x47ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_DM365_EMAC_RXTHRESH,
+ .end = IRQ_DM365_EMAC_RXTHRESH,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM365_EMAC_RXPULSE,
+ .end = IRQ_DM365_EMAC_RXPULSE,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM365_EMAC_TXPULSE,
+ .end = IRQ_DM365_EMAC_TXPULSE,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM365_EMAC_MISCPULSE,
+ .end = IRQ_DM365_EMAC_MISCPULSE,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device dm365_emac_device = {
+ .name = "davinci_emac",
+ .id = 1,
+ .dev = {
+ .platform_data = &dm365_emac_pdata,
+ },
+ .num_resources = ARRAY_SIZE(dm365_emac_resources),
+ .resource = dm365_emac_resources,
+};
static u8 dm365_default_priorities[DAVINCI_N_AINTC_IRQ] = {
[IRQ_VDINT0] = 2,
@@ -702,6 +748,7 @@ static struct davinci_soc_info davinci_soc_info_dm365 = {
.gpio_num = 104,
.gpio_irq = 44,
.serial_dev = &dm365_serial_device,
+ .emac_pdata = &dm365_emac_pdata,
.sram_dma = 0x00010000,
.sram_len = SZ_32K,
};
@@ -710,3 +757,14 @@ void __init dm365_init(void)
{
davinci_common_init(&davinci_soc_info_dm365);
}
+
+static int __init dm365_init_devices(void)
+{
+ if (!cpu_is_davinci_dm365())
+ return 0;
+
+ platform_device_register(&dm365_emac_device);
+
+ return 0;
+}
+postcore_initcall(dm365_init_devices);
--
GitLab
From 15061b5d02ad461620ab7b09d48374fad0e57649 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Sat, 20 Jun 2009 13:15:39 -0400
Subject: [PATCH 305/742] davinci: dm365: add EDMA support
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm365.c | 87 +++++++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 9d615db4463c..c52aad300844 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -660,6 +660,91 @@ static u8 dm365_default_priorities[DAVINCI_N_AINTC_IRQ] = {
[IRQ_DM365_EMUINT] = 7,
};
+/* Four Transfer Controllers on DM365 */
+static const s8
+dm365_queue_tc_mapping[][2] = {
+ /* {event queue no, TC no} */
+ {0, 0},
+ {1, 1},
+ {2, 2},
+ {3, 3},
+ {-1, -1},
+};
+
+static const s8
+dm365_queue_priority_mapping[][2] = {
+ /* {event queue no, Priority} */
+ {0, 7},
+ {1, 7},
+ {2, 7},
+ {3, 0},
+ {-1, -1},
+};
+
+static struct edma_soc_info dm365_edma_info[] = {
+ {
+ .n_channel = 64,
+ .n_region = 4,
+ .n_slot = 256,
+ .n_tc = 4,
+ .n_cc = 1,
+ .queue_tc_mapping = dm365_queue_tc_mapping,
+ .queue_priority_mapping = dm365_queue_priority_mapping,
+ },
+};
+
+static struct resource edma_resources[] = {
+ {
+ .name = "edma_cc0",
+ .start = 0x01c00000,
+ .end = 0x01c00000 + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma_tc0",
+ .start = 0x01c10000,
+ .end = 0x01c10000 + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma_tc1",
+ .start = 0x01c10400,
+ .end = 0x01c10400 + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma_tc2",
+ .start = 0x01c10800,
+ .end = 0x01c10800 + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma_tc3",
+ .start = 0x01c10c00,
+ .end = 0x01c10c00 + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma0",
+ .start = IRQ_CCINT0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "edma0_err",
+ .start = IRQ_CCERRINT,
+ .flags = IORESOURCE_IRQ,
+ },
+ /* not using TC*_ERR */
+};
+
+static struct platform_device dm365_edma_device = {
+ .name = "edma",
+ .id = 0,
+ .dev.platform_data = dm365_edma_info,
+ .num_resources = ARRAY_SIZE(edma_resources),
+ .resource = edma_resources,
+};
+
static struct map_desc dm365_io_desc[] = {
{
.virtual = IO_VIRT,
@@ -763,6 +848,8 @@ static int __init dm365_init_devices(void)
if (!cpu_is_davinci_dm365())
return 0;
+ davinci_cfg_reg(DM365_INT_EDMA_CC);
+ platform_device_register(&dm365_edma_device);
platform_device_register(&dm365_emac_device);
return 0;
--
GitLab
From 19ff3bf2e8473c03bb80052728bfa91c0fdf10f8 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Sat, 20 Jun 2009 13:58:32 -0400
Subject: [PATCH 306/742] davinci: dm365: add MMC/SD support
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/devices.c | 45 +++++++++++++++++++++++----------
1 file changed, 31 insertions(+), 14 deletions(-)
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
index 385e8332fc2f..a55b650db71e 100644
--- a/arch/arm/mach-davinci/devices.c
+++ b/arch/arm/mach-davinci/devices.c
@@ -31,6 +31,8 @@
#define DAVINCI_MMCSD0_BASE 0x01E10000
#define DM355_MMCSD0_BASE 0x01E11000
#define DM355_MMCSD1_BASE 0x01E00000
+#define DM365_MMCSD0_BASE 0x01D11000
+#define DM365_MMCSD1_BASE 0x01D00000
static struct resource i2c_resources[] = {
{
@@ -154,19 +156,31 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config)
*/
switch (module) {
case 1:
- if (!cpu_is_davinci_dm355())
+ if (cpu_is_davinci_dm355()) {
+ /* REVISIT we may not need all these pins if e.g. this
+ * is a hard-wired SDIO device...
+ */
+ davinci_cfg_reg(DM355_SD1_CMD);
+ davinci_cfg_reg(DM355_SD1_CLK);
+ davinci_cfg_reg(DM355_SD1_DATA0);
+ davinci_cfg_reg(DM355_SD1_DATA1);
+ davinci_cfg_reg(DM355_SD1_DATA2);
+ davinci_cfg_reg(DM355_SD1_DATA3);
+ } else if (cpu_is_davinci_dm365()) {
+ void __iomem *pupdctl1 =
+ IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE + 0x7c);
+
+ /* Configure pull down control */
+ __raw_writel((__raw_readl(pupdctl1) & ~0x400),
+ pupdctl1);
+
+ mmcsd1_resources[0].start = DM365_MMCSD1_BASE;
+ mmcsd1_resources[0].end = DM365_MMCSD1_BASE +
+ SZ_4K - 1;
+ mmcsd0_resources[2].start = IRQ_DM365_SDIOINT1;
+ } else
break;
- /* REVISIT we may not need all these pins if e.g. this
- * is a hard-wired SDIO device...
- */
- davinci_cfg_reg(DM355_SD1_CMD);
- davinci_cfg_reg(DM355_SD1_CLK);
- davinci_cfg_reg(DM355_SD1_DATA0);
- davinci_cfg_reg(DM355_SD1_DATA1);
- davinci_cfg_reg(DM355_SD1_DATA2);
- davinci_cfg_reg(DM355_SD1_DATA3);
-
pdev = &davinci_mmcsd1_device;
break;
case 0:
@@ -180,9 +194,12 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config)
/* enable RX EDMA */
davinci_cfg_reg(DM355_EVT26_MMC0_RX);
- }
-
- else if (cpu_is_davinci_dm644x()) {
+ } else if (cpu_is_davinci_dm365()) {
+ mmcsd0_resources[0].start = DM365_MMCSD0_BASE;
+ mmcsd0_resources[0].end = DM365_MMCSD0_BASE +
+ SZ_4K - 1;
+ mmcsd0_resources[2].start = IRQ_DM365_SDIOINT0;
+ } else if (cpu_is_davinci_dm644x()) {
/* REVISIT: should this be in board-init code? */
void __iomem *base =
IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
--
GitLab
From a45c8ba30bca0c3257785cae28680781fd356a85 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Sat, 20 Jun 2009 14:00:52 -0400
Subject: [PATCH 307/742] davinci: MMC/SD Support for dm365 EVM
Patch adds support for MMC/SD in the DM365 EVM.
Pinmux for MMC/SD slot 1 on the DM365 EVM is also
configured.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm365-evm.c | 27 +++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 9dda3999c8f3..e62d1ab3bb2a 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -33,6 +33,7 @@
#include <linux/i2c.h>
#include <mach/serial.h>
#include <mach/common.h>
+#include <mach/mmc.h>
#define DM365_EVM_PHY_MASK (0x2)
#define DM365_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
@@ -57,6 +58,13 @@ static struct davinci_i2c_platform_data i2c_pdata = {
.bus_delay = 0 /* usec */,
};
+static struct davinci_mmc_config dm365evm_mmc_config = {
+ .wires = 4,
+ .max_freq = 50000000,
+ .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+ .version = MMC_CTLR_VERSION_2,
+};
+
static void dm365evm_emac_configure(void)
{
/*
@@ -93,6 +101,21 @@ static void dm365evm_emac_configure(void)
davinci_cfg_reg(DM365_INT_EMAC_MISCPULSE);
}
+static void dm365evm_mmc_configure(void)
+{
+ /*
+ * MMC/SD pins are multiplexed with GPIO and EMIF
+ * Further details are available at the DM365 ARM
+ * Subsystem Users Guide(sprufg5.pdf) pages 118, 128 - 131
+ */
+ davinci_cfg_reg(DM365_SD1_CLK);
+ davinci_cfg_reg(DM365_SD1_CMD);
+ davinci_cfg_reg(DM365_SD1_DATA3);
+ davinci_cfg_reg(DM365_SD1_DATA2);
+ davinci_cfg_reg(DM365_SD1_DATA1);
+ davinci_cfg_reg(DM365_SD1_DATA0);
+}
+
static void __init evm_init_i2c(void)
{
davinci_init_i2c(&i2c_pdata);
@@ -116,6 +139,10 @@ static __init void dm365_evm_init(void)
davinci_serial_init(&uart_config);
dm365evm_emac_configure();
+ dm365evm_mmc_configure();
+
+ davinci_setup_mmc(0, &dm365evm_mmc_config);
+ davinci_setup_mmc(1, &dm365evm_mmc_config);
soc_info->emac_pdata->phy_mask = DM365_EVM_PHY_MASK;
soc_info->emac_pdata->mdio_max_freq = DM365_EVM_MDIO_FREQUENCY;
--
GitLab
From 37b798da5df377521a8cd32a82467aa2d431f33e Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Sat, 20 Jun 2009 14:15:51 -0400
Subject: [PATCH 308/742] davinci: dm365: add NAND support to EVM board
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm365-evm.c | 84 +++++++++++++++++++++++++
1 file changed, 84 insertions(+)
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index e62d1ab3bb2a..3675e844b9b1 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -20,6 +20,9 @@
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/i2c/at24.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -34,10 +37,84 @@
#include <mach/serial.h>
#include <mach/common.h>
#include <mach/mmc.h>
+#include <mach/nand.h>
+
+#define DM365_ASYNC_EMIF_CONTROL_BASE 0x01d10000
+#define DM365_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
#define DM365_EVM_PHY_MASK (0x2)
#define DM365_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
+/* NOTE: this is geared for the standard config, with a socketed
+ * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you
+ * swap chips with a different block size, partitioning will
+ * need to be changed. This NAND chip MT29F16G08FAA is the default
+ * NAND shipped with the Spectrum Digital DM365 EVM
+ */
+#define NAND_BLOCK_SIZE SZ_128K
+
+static struct mtd_partition davinci_nand_partitions[] = {
+ {
+ /* UBL (a few copies) plus U-Boot */
+ .name = "bootloader",
+ .offset = 0,
+ .size = 28 * NAND_BLOCK_SIZE,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ }, {
+ /* U-Boot environment */
+ .name = "params",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 2 * NAND_BLOCK_SIZE,
+ .mask_flags = 0,
+ }, {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_4M,
+ .mask_flags = 0,
+ }, {
+ .name = "filesystem1",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_512M,
+ .mask_flags = 0,
+ }, {
+ .name = "filesystem2",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0,
+ }
+ /* two blocks with bad block table (and mirror) at the end */
+};
+
+static struct davinci_nand_pdata davinci_nand_data = {
+ .mask_chipsel = BIT(14),
+ .parts = davinci_nand_partitions,
+ .nr_parts = ARRAY_SIZE(davinci_nand_partitions),
+ .ecc_mode = NAND_ECC_HW,
+ .options = NAND_USE_FLASH_BBT,
+};
+
+static struct resource davinci_nand_resources[] = {
+ {
+ .start = DM365_ASYNC_EMIF_DATA_CE0_BASE,
+ .end = DM365_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = DM365_ASYNC_EMIF_CONTROL_BASE,
+ .end = DM365_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device davinci_nand_device = {
+ .name = "davinci_nand",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(davinci_nand_resources),
+ .resource = davinci_nand_resources,
+ .dev = {
+ .platform_data = &davinci_nand_data,
+ },
+};
+
static struct at24_platform_data eeprom_info = {
.byte_len = (256*1024) / 8,
.page_size = 64,
@@ -122,6 +199,10 @@ static void __init evm_init_i2c(void)
i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
}
+static struct platform_device *dm365_evm_devices[] __initdata = {
+ &davinci_nand_device,
+};
+
static struct davinci_uart_config uart_config __initdata = {
.enabled_uarts = (1 << 0),
};
@@ -135,6 +216,9 @@ static __init void dm365_evm_init(void)
{
struct davinci_soc_info *soc_info = &davinci_soc_info;
+ platform_add_devices(dm365_evm_devices,
+ ARRAY_SIZE(dm365_evm_devices));
+
evm_init_i2c();
davinci_serial_init(&uart_config);
--
GitLab
From ff255c6caa389c90c68f5421f60ebfc40b68ea1b Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Sun, 21 Jun 2009 14:50:12 -0700
Subject: [PATCH 309/742] davinci: dm365 evm cpld support: leds, card detect,
other setup
Add basic support for the CPLD on the DM365 EVM board:
- Read SW5 to set up NAND and keypad vs (someday) OneNAND
- Export MMC/SD card detect and writeprotect signals
- LED support (same layout as on DM355 EVM)
- Static config for video input:
* external HD imager precludes MMC1, Ethernet, audio
* else either tvp5146 (SD/default) or tvp7002 (HD)
The video input could actually be switched around dynamically;
change that if/when that's needed (and after those other video
inputs have driver support).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm365-evm.c | 263 +++++++++++++++++++++++-
1 file changed, 253 insertions(+), 10 deletions(-)
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 3675e844b9b1..a1d5e7dac741 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -20,6 +20,7 @@
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/i2c/at24.h>
+#include <linux/leds.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
@@ -33,18 +34,71 @@
#include <mach/psc.h>
#include <mach/common.h>
#include <mach/i2c.h>
-#include <linux/i2c.h>
#include <mach/serial.h>
#include <mach/common.h>
#include <mach/mmc.h>
#include <mach/nand.h>
+
+static inline int have_imager(void)
+{
+ /* REVISIT when it's supported, trigger via Kconfig */
+ return 0;
+}
+
+static inline int have_tvp7002(void)
+{
+ /* REVISIT when it's supported, trigger via Kconfig */
+ return 0;
+}
+
+
#define DM365_ASYNC_EMIF_CONTROL_BASE 0x01d10000
#define DM365_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
+#define DM365_ASYNC_EMIF_DATA_CE1_BASE 0x04000000
#define DM365_EVM_PHY_MASK (0x2)
#define DM365_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
+/*
+ * A MAX-II CPLD is used for various board control functions.
+ */
+#define CPLD_OFFSET(a13a8,a2a1) (((a13a8) << 10) + ((a2a1) << 3))
+
+#define CPLD_VERSION CPLD_OFFSET(0,0) /* r/o */
+#define CPLD_TEST CPLD_OFFSET(0,1)
+#define CPLD_LEDS CPLD_OFFSET(0,2)
+#define CPLD_MUX CPLD_OFFSET(0,3)
+#define CPLD_SWITCH CPLD_OFFSET(1,0) /* r/o */
+#define CPLD_POWER CPLD_OFFSET(1,1)
+#define CPLD_VIDEO CPLD_OFFSET(1,2)
+#define CPLD_CARDSTAT CPLD_OFFSET(1,3) /* r/o */
+
+#define CPLD_DILC_OUT CPLD_OFFSET(2,0)
+#define CPLD_DILC_IN CPLD_OFFSET(2,1) /* r/o */
+
+#define CPLD_IMG_DIR0 CPLD_OFFSET(2,2)
+#define CPLD_IMG_MUX0 CPLD_OFFSET(2,3)
+#define CPLD_IMG_MUX1 CPLD_OFFSET(3,0)
+#define CPLD_IMG_DIR1 CPLD_OFFSET(3,1)
+#define CPLD_IMG_MUX2 CPLD_OFFSET(3,2)
+#define CPLD_IMG_MUX3 CPLD_OFFSET(3,3)
+#define CPLD_IMG_DIR2 CPLD_OFFSET(4,0)
+#define CPLD_IMG_MUX4 CPLD_OFFSET(4,1)
+#define CPLD_IMG_MUX5 CPLD_OFFSET(4,2)
+
+#define CPLD_RESETS CPLD_OFFSET(4,3)
+
+#define CPLD_CCD_DIR1 CPLD_OFFSET(0x3e,0)
+#define CPLD_CCD_IO1 CPLD_OFFSET(0x3e,1)
+#define CPLD_CCD_DIR2 CPLD_OFFSET(0x3e,2)
+#define CPLD_CCD_IO2 CPLD_OFFSET(0x3e,3)
+#define CPLD_CCD_DIR3 CPLD_OFFSET(0x3f,0)
+#define CPLD_CCD_IO3 CPLD_OFFSET(0x3f,1)
+
+static void __iomem *cpld;
+
+
/* NOTE: this is geared for the standard config, with a socketed
* 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you
* swap chips with a different block size, partitioning will
@@ -135,7 +189,27 @@ static struct davinci_i2c_platform_data i2c_pdata = {
.bus_delay = 0 /* usec */,
};
+static int cpld_mmc_get_cd(int module)
+{
+ if (!cpld)
+ return -ENXIO;
+
+ /* low == card present */
+ return !(__raw_readb(cpld + CPLD_CARDSTAT) & BIT(module ? 4 : 0));
+}
+
+static int cpld_mmc_get_ro(int module)
+{
+ if (!cpld)
+ return -ENXIO;
+
+ /* high == card's write protect switch active */
+ return !!(__raw_readb(cpld + CPLD_CARDSTAT) & BIT(module ? 5 : 1));
+}
+
static struct davinci_mmc_config dm365evm_mmc_config = {
+ .get_cd = cpld_mmc_get_cd,
+ .get_ro = cpld_mmc_get_ro,
.wires = 4,
.max_freq = 50000000,
.caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
@@ -199,10 +273,185 @@ static void __init evm_init_i2c(void)
i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
}
-static struct platform_device *dm365_evm_devices[] __initdata = {
+static struct platform_device *dm365_evm_nand_devices[] __initdata = {
&davinci_nand_device,
};
+static inline int have_leds(void)
+{
+#ifdef CONFIG_LEDS_CLASS
+ return 1;
+#else
+ return 0;
+#endif
+}
+
+struct cpld_led {
+ struct led_classdev cdev;
+ u8 mask;
+};
+
+static const struct {
+ const char *name;
+ const char *trigger;
+} cpld_leds[] = {
+ { "dm365evm::ds2", },
+ { "dm365evm::ds3", },
+ { "dm365evm::ds4", },
+ { "dm365evm::ds5", },
+ { "dm365evm::ds6", "nand-disk", },
+ { "dm365evm::ds7", "mmc1", },
+ { "dm365evm::ds8", "mmc0", },
+ { "dm365evm::ds9", "heartbeat", },
+};
+
+static void cpld_led_set(struct led_classdev *cdev, enum led_brightness b)
+{
+ struct cpld_led *led = container_of(cdev, struct cpld_led, cdev);
+ u8 reg = __raw_readb(cpld + CPLD_LEDS);
+
+ if (b != LED_OFF)
+ reg &= ~led->mask;
+ else
+ reg |= led->mask;
+ __raw_writeb(reg, cpld + CPLD_LEDS);
+}
+
+static enum led_brightness cpld_led_get(struct led_classdev *cdev)
+{
+ struct cpld_led *led = container_of(cdev, struct cpld_led, cdev);
+ u8 reg = __raw_readb(cpld + CPLD_LEDS);
+
+ return (reg & led->mask) ? LED_OFF : LED_FULL;
+}
+
+static int __init cpld_leds_init(void)
+{
+ int i;
+
+ if (!have_leds() || !cpld)
+ return 0;
+
+ /* setup LEDs */
+ __raw_writeb(0xff, cpld + CPLD_LEDS);
+ for (i = 0; i < ARRAY_SIZE(cpld_leds); i++) {
+ struct cpld_led *led;
+
+ led = kzalloc(sizeof(*led), GFP_KERNEL);
+ if (!led)
+ break;
+
+ led->cdev.name = cpld_leds[i].name;
+ led->cdev.brightness_set = cpld_led_set;
+ led->cdev.brightness_get = cpld_led_get;
+ led->cdev.default_trigger = cpld_leds[i].trigger;
+ led->mask = BIT(i);
+
+ if (led_classdev_register(NULL, &led->cdev) < 0) {
+ kfree(led);
+ break;
+ }
+ }
+
+ return 0;
+}
+/* run after subsys_initcall() for LEDs */
+fs_initcall(cpld_leds_init);
+
+
+static void __init evm_init_cpld(void)
+{
+ u8 mux, resets;
+ const char *label;
+ struct clk *aemif_clk;
+
+ /* Make sure we can configure the CPLD through CS1. Then
+ * leave it on for later access to MMC and LED registers.
+ */
+ aemif_clk = clk_get(NULL, "aemif");
+ if (IS_ERR(aemif_clk))
+ return;
+ clk_enable(aemif_clk);
+
+ if (request_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE,
+ "cpld") == NULL)
+ goto fail;
+ cpld = ioremap(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE);
+ if (!cpld) {
+ release_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE,
+ SECTION_SIZE);
+fail:
+ pr_err("ERROR: can't map CPLD\n");
+ clk_disable(aemif_clk);
+ return;
+ }
+
+ /* External muxing for some signals */
+ mux = 0;
+
+ /* Read SW5 to set up NAND + keypad _or_ OneNAND (sync read).
+ * NOTE: SW4 bus width setting must match!
+ */
+ if ((__raw_readb(cpld + CPLD_SWITCH) & BIT(5)) == 0) {
+ /* external keypad mux */
+ mux |= BIT(7);
+
+ platform_add_devices(dm365_evm_nand_devices,
+ ARRAY_SIZE(dm365_evm_nand_devices));
+ } else {
+ /* no OneNAND support yet */
+ }
+
+ /* Leave external chips in reset when unused. */
+ resets = BIT(3) | BIT(2) | BIT(1) | BIT(0);
+
+ /* Static video input config with SN74CBT16214 1-of-3 mux:
+ * - port b1 == tvp7002 (mux lowbits == 1 or 6)
+ * - port b2 == imager (mux lowbits == 2 or 7)
+ * - port b3 == tvp5146 (mux lowbits == 5)
+ *
+ * Runtime switching could work too, with limitations.
+ */
+ if (have_imager()) {
+ label = "HD imager";
+ mux |= 1;
+
+ /* externally mux MMC1/ENET/AIC33 to imager */
+ mux |= BIT(6) | BIT(5) | BIT(3);
+ } else {
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+ /* we can use MMC1 ... */
+ dm365evm_mmc_configure();
+ davinci_setup_mmc(1, &dm365evm_mmc_config);
+
+ /* ... and ENET ... */
+ dm365evm_emac_configure();
+ soc_info->emac_pdata->phy_mask = DM365_EVM_PHY_MASK;
+ soc_info->emac_pdata->mdio_max_freq = DM365_EVM_MDIO_FREQUENCY;
+ resets &= ~BIT(3);
+
+ /* ... and AIC33 */
+ resets &= ~BIT(1);
+
+ if (have_tvp7002()) {
+ mux |= 2;
+ resets &= ~BIT(2);
+ label = "tvp7002 HD";
+ } else {
+ /* default to tvp5146 */
+ mux |= 5;
+ resets &= ~BIT(0);
+ label = "tvp5146 SD";
+ }
+ }
+ __raw_writeb(mux, cpld + CPLD_MUX);
+ __raw_writeb(resets, cpld + CPLD_RESETS);
+ pr_info("EVM: %s video input\n", label);
+
+ /* REVISIT export switches: NTSC/PAL (SW5.6), EXTRA1 (SW5.2), etc */
+}
+
static struct davinci_uart_config uart_config __initdata = {
.enabled_uarts = (1 << 0),
};
@@ -214,11 +463,6 @@ static void __init dm365_evm_map_io(void)
static __init void dm365_evm_init(void)
{
- struct davinci_soc_info *soc_info = &davinci_soc_info;
-
- platform_add_devices(dm365_evm_devices,
- ARRAY_SIZE(dm365_evm_devices));
-
evm_init_i2c();
davinci_serial_init(&uart_config);
@@ -226,10 +470,9 @@ static __init void dm365_evm_init(void)
dm365evm_mmc_configure();
davinci_setup_mmc(0, &dm365evm_mmc_config);
- davinci_setup_mmc(1, &dm365evm_mmc_config);
- soc_info->emac_pdata->phy_mask = DM365_EVM_PHY_MASK;
- soc_info->emac_pdata->mdio_max_freq = DM365_EVM_MDIO_FREQUENCY;
+ /* maybe setup mmc1/etc ... _after_ mmc0 */
+ evm_init_cpld();
}
static __init void dm365_evm_irq_init(void)
--
GitLab
From 55c79a40e34566e9d198f6205b0cf06e3d89ac0a Mon Sep 17 00:00:00 2001
From: "Mark A. Greer" <mgreer@mvista.com>
Date: Wed, 3 Jun 2009 18:36:54 -0700
Subject: [PATCH 310/742] davinci: da8xx: Add base DA830/OMAP-L137 SoC support
The da830/omap l137 is a new SoC from TI that is similar
to the davinci line. Since its so similar to davinci,
put the support for the da830 in the same directory as
the davinci code.
There are differences, however. Some of those differences
prevent support for davinci and da830 platforms to work
in the same kernel binary. Those differences are:
1) Different physical address for RAM. This is relevant
to Makefile.boot addresses and PHYS_OFFSET. The
Makefile.boot issue isn't truly a kernel issue but
it means u-boot won't work with a uImage including
both architectures. The PHYS_OFFSET issue is
addressed by the "Allow for runtime-determined
PHYS_OFFSET" patch by Lennert Buytenhek but it
hasn't been accepted yet.
2) Different uart addresses. This is only an issue
for the 'addruart' assembly macro when CONFIG_DEBUG_LL
is enabled. Since the code in that macro is called
so early (e.g., by _error_p in kernel/head.S when
the processor lookup fails), we can't determine what
platform the kernel is running on at runtime to use
the correct uart address.
These areas have compile errors intentionally inserted
to indicate to the builder they're doing something wrong.
A new config variable, CONFIG_ARCH_DAVINCI_DMx, is added
to distinguish between a true davinci architecture and
the da830 architecture.
Note that the da830 currently has an issue with writeback
data cache so CONFIG_CPU_DCACHE_WRITETHROUGH should be
enabled when building a da830 kernel.
Additional generalizations for future SoCs in the da8xx family done by
Sudhakar Rajashekhara and Sekhar Nori.
Signed-off-by: Steve Chen <schen@mvista.com>
Signed-off-by: Mikhail Cherkashin <mcherkashin@ru.mvista.com>
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/Kconfig | 14 +
arch/arm/mach-davinci/Makefile | 11 +-
arch/arm/mach-davinci/Makefile.boot | 10 +
arch/arm/mach-davinci/da830.c | 1247 ++++++++++++++++++
arch/arm/mach-davinci/devices-da8xx.c | 287 ++++
arch/arm/mach-davinci/include/mach/cputype.h | 8 +
arch/arm/mach-davinci/include/mach/da8xx.h | 69 +
arch/arm/mach-davinci/include/mach/edma.h | 48 +
arch/arm/mach-davinci/include/mach/irqs.h | 109 +-
arch/arm/mach-davinci/include/mach/memory.h | 9 +-
arch/arm/mach-davinci/include/mach/mux.h | 404 ++++++
arch/arm/mach-davinci/include/mach/psc.h | 41 +
arch/arm/mach-davinci/include/mach/serial.h | 4 +
13 files changed, 2252 insertions(+), 9 deletions(-)
create mode 100644 arch/arm/mach-davinci/da830.c
create mode 100644 arch/arm/mach-davinci/devices-da8xx.c
create mode 100644 arch/arm/mach-davinci/include/mach/da8xx.h
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index b16f5e31c08a..312228ed8489 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -6,6 +6,9 @@ config AINTC
config CP_INTC
bool
+config ARCH_DAVINCI_DMx
+ bool
+
menu "TI DaVinci Implementations"
comment "DaVinci Core Type"
@@ -13,14 +16,25 @@ comment "DaVinci Core Type"
config ARCH_DAVINCI_DM644x
bool "DaVinci 644x based system"
select AINTC
+ select ARCH_DAVINCI_DMx
config ARCH_DAVINCI_DM355
bool "DaVinci 355 based system"
select AINTC
+ select ARCH_DAVINCI_DMx
config ARCH_DAVINCI_DM646x
bool "DaVinci 646x based system"
select AINTC
+ select ARCH_DAVINCI_DMx
+
+config ARCH_DAVINCI_DA830
+ bool "DA830/OMAP-L137 based system"
+ select CP_INTC
+ select ARCH_DAVINCI_DA8XX
+
+config ARCH_DAVINCI_DA8XX
+ bool
config ARCH_DAVINCI_DM365
bool "DaVinci 365 based system"
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index bea7ba65b3f4..385638c0a711 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -5,15 +5,16 @@
# Common objects
obj-y := time.o clock.o serial.o io.o psc.o \
- gpio.o devices.o dma.o usb.o common.o sram.o
+ gpio.o dma.o usb.o common.o sram.o
obj-$(CONFIG_DAVINCI_MUX) += mux.o
# Chip specific
-obj-$(CONFIG_ARCH_DAVINCI_DM644x) += dm644x.o
-obj-$(CONFIG_ARCH_DAVINCI_DM355) += dm355.o
-obj-$(CONFIG_ARCH_DAVINCI_DM646x) += dm646x.o
-obj-$(CONFIG_ARCH_DAVINCI_DM365) += dm365.o
+obj-$(CONFIG_ARCH_DAVINCI_DM644x) += dm644x.o devices.o
+obj-$(CONFIG_ARCH_DAVINCI_DM355) += dm355.o devices.o
+obj-$(CONFIG_ARCH_DAVINCI_DM646x) += dm646x.o devices.o
+obj-$(CONFIG_ARCH_DAVINCI_DM365) += dm365.o devices.o
+obj-$(CONFIG_ARCH_DAVINCI_DA830) += da830.o devices-da8xx.o
obj-$(CONFIG_AINTC) += irq.o
obj-$(CONFIG_CP_INTC) += cp_intc.o
diff --git a/arch/arm/mach-davinci/Makefile.boot b/arch/arm/mach-davinci/Makefile.boot
index e1dd366f836b..db97ef2c6477 100644
--- a/arch/arm/mach-davinci/Makefile.boot
+++ b/arch/arm/mach-davinci/Makefile.boot
@@ -1,3 +1,13 @@
+ifeq ($(CONFIG_ARCH_DAVINCI_DA8XX),y)
+ifeq ($(CONFIG_ARCH_DAVINCI_DMx),y)
+$(error Cannot enable DaVinci and DA8XX platforms concurrently)
+else
+ zreladdr-y := 0xc0008000
+params_phys-y := 0xc0000100
+initrd_phys-y := 0xc0800000
+endif
+else
zreladdr-y := 0x80008000
params_phys-y := 0x80000100
initrd_phys-y := 0x80800000
+endif
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
new file mode 100644
index 000000000000..ab4242869b66
--- /dev/null
+++ b/arch/arm/mach-davinci/da830.c
@@ -0,0 +1,1247 @@
+/*
+ * TI DA830/OMAP L137 chip specific setup
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2009 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/clock.h>
+#include <mach/psc.h>
+#include <mach/mux.h>
+#include <mach/irqs.h>
+#include <mach/cputype.h>
+#include <mach/common.h>
+#include <mach/time.h>
+#include <mach/da8xx.h>
+
+#include "clock.h"
+#include "mux.h"
+
+#define DA830_PSC0_BASE 0x01c10000
+#define DA830_PLL0_BASE 0x01c11000
+#define DA830_JTAG_ID_REG 0x01c14018
+#define DA830_TIMER64P0_BASE 0x01c20000
+#define DA830_TIMER64P1_BASE 0x01c21000
+#define DA830_GPIO_BASE 0x01e26000
+#define DA830_PSC1_BASE 0x01e27000
+
+/* Offsets of the 8 compare registers on the da830 */
+#define DA830_CMP12_0 0x60
+#define DA830_CMP12_1 0x64
+#define DA830_CMP12_2 0x68
+#define DA830_CMP12_3 0x6c
+#define DA830_CMP12_4 0x70
+#define DA830_CMP12_5 0x74
+#define DA830_CMP12_6 0x78
+#define DA830_CMP12_7 0x7c
+
+#define DA830_REF_FREQ 24000000
+
+static struct pll_data pll0_data = {
+ .num = 1,
+ .phys_base = DA830_PLL0_BASE,
+ .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
+};
+
+static struct clk ref_clk = {
+ .name = "ref_clk",
+ .rate = DA830_REF_FREQ,
+};
+
+static struct clk pll0_clk = {
+ .name = "pll0",
+ .parent = &ref_clk,
+ .pll_data = &pll0_data,
+ .flags = CLK_PLL,
+};
+
+static struct clk pll0_aux_clk = {
+ .name = "pll0_aux_clk",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL | PRE_PLL,
+};
+
+static struct clk pll0_sysclk2 = {
+ .name = "pll0_sysclk2",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV2,
+};
+
+static struct clk pll0_sysclk3 = {
+ .name = "pll0_sysclk3",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV3,
+};
+
+static struct clk pll0_sysclk4 = {
+ .name = "pll0_sysclk4",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV4,
+};
+
+static struct clk pll0_sysclk5 = {
+ .name = "pll0_sysclk5",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV5,
+};
+
+static struct clk pll0_sysclk6 = {
+ .name = "pll0_sysclk6",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV6,
+};
+
+static struct clk pll0_sysclk7 = {
+ .name = "pll0_sysclk7",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV7,
+};
+
+static struct clk i2c0_clk = {
+ .name = "i2c0",
+ .parent = &pll0_aux_clk,
+};
+
+static struct clk timerp64_0_clk = {
+ .name = "timer0",
+ .parent = &pll0_aux_clk,
+};
+
+static struct clk timerp64_1_clk = {
+ .name = "timer1",
+ .parent = &pll0_aux_clk,
+};
+
+static struct clk arm_rom_clk = {
+ .name = "arm_rom",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_ARM_RAM_ROM,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk scr0_ss_clk = {
+ .name = "scr0_ss",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_SCR0_SS,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk scr1_ss_clk = {
+ .name = "scr1_ss",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_SCR1_SS,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk scr2_ss_clk = {
+ .name = "scr2_ss",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_SCR2_SS,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk dmax_clk = {
+ .name = "dmax",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_DMAX,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk tpcc_clk = {
+ .name = "tpcc",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_TPCC,
+ .flags = ALWAYS_ENABLED | CLK_PSC,
+};
+
+static struct clk tptc0_clk = {
+ .name = "tptc0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_TPTC0,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk tptc1_clk = {
+ .name = "tptc1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_TPTC1,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk mmcsd_clk = {
+ .name = "mmcsd",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_MMC_SD,
+};
+
+static struct clk uart0_clk = {
+ .name = "uart0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_UART0,
+};
+
+static struct clk uart1_clk = {
+ .name = "uart1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_UART1,
+ .psc_ctlr = 1,
+};
+
+static struct clk uart2_clk = {
+ .name = "uart2",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_UART2,
+ .psc_ctlr = 1,
+};
+
+static struct clk spi0_clk = {
+ .name = "spi0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_SPI0,
+};
+
+static struct clk spi1_clk = {
+ .name = "spi1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_SPI1,
+ .psc_ctlr = 1,
+};
+
+static struct clk ecap0_clk = {
+ .name = "ecap0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_ECAP,
+ .psc_ctlr = 1,
+};
+
+static struct clk ecap1_clk = {
+ .name = "ecap1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_ECAP,
+ .psc_ctlr = 1,
+};
+
+static struct clk ecap2_clk = {
+ .name = "ecap2",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_ECAP,
+ .psc_ctlr = 1,
+};
+
+static struct clk pwm0_clk = {
+ .name = "pwm0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_PWM,
+ .psc_ctlr = 1,
+};
+
+static struct clk pwm1_clk = {
+ .name = "pwm1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_PWM,
+ .psc_ctlr = 1,
+};
+
+static struct clk pwm2_clk = {
+ .name = "pwm2",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_PWM,
+ .psc_ctlr = 1,
+};
+
+static struct clk eqep0_clk = {
+ .name = "eqep0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA830_LPSC1_EQEP,
+ .psc_ctlr = 1,
+};
+
+static struct clk eqep1_clk = {
+ .name = "eqep1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA830_LPSC1_EQEP,
+ .psc_ctlr = 1,
+};
+
+static struct clk lcdc_clk = {
+ .name = "lcdc",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_LCDC,
+ .psc_ctlr = 1,
+};
+
+static struct clk mcasp0_clk = {
+ .name = "mcasp0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_McASP0,
+ .psc_ctlr = 1,
+};
+
+static struct clk mcasp1_clk = {
+ .name = "mcasp1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA830_LPSC1_McASP1,
+ .psc_ctlr = 1,
+};
+
+static struct clk mcasp2_clk = {
+ .name = "mcasp2",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA830_LPSC1_McASP2,
+ .psc_ctlr = 1,
+};
+
+static struct clk usb20_clk = {
+ .name = "usb20",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_USB20,
+ .psc_ctlr = 1,
+};
+
+static struct clk aemif_clk = {
+ .name = "aemif",
+ .parent = &pll0_sysclk3,
+ .lpsc = DA8XX_LPSC0_EMIF25,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk aintc_clk = {
+ .name = "aintc",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC0_AINTC,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk secu_mgr_clk = {
+ .name = "secu_mgr",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC0_SECU_MGR,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk emac_clk = {
+ .name = "emac",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC1_CPGMAC,
+ .psc_ctlr = 1,
+};
+
+static struct clk gpio_clk = {
+ .name = "gpio",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC1_GPIO,
+ .psc_ctlr = 1,
+};
+
+static struct clk i2c1_clk = {
+ .name = "i2c1",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC1_I2C,
+ .psc_ctlr = 1,
+};
+
+static struct clk usb11_clk = {
+ .name = "usb11",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC1_USB11,
+ .psc_ctlr = 1,
+};
+
+static struct clk emif3_clk = {
+ .name = "emif3",
+ .parent = &pll0_sysclk5,
+ .lpsc = DA8XX_LPSC1_EMIF3C,
+ .flags = ALWAYS_ENABLED,
+ .psc_ctlr = 1,
+};
+
+static struct clk arm_clk = {
+ .name = "arm",
+ .parent = &pll0_sysclk6,
+ .lpsc = DA8XX_LPSC0_ARM,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk rmii_clk = {
+ .name = "rmii",
+ .parent = &pll0_sysclk7,
+};
+
+static struct davinci_clk da830_clks[] = {
+ CLK(NULL, "ref", &ref_clk),
+ CLK(NULL, "pll0", &pll0_clk),
+ CLK(NULL, "pll0_aux", &pll0_aux_clk),
+ CLK(NULL, "pll0_sysclk2", &pll0_sysclk2),
+ CLK(NULL, "pll0_sysclk3", &pll0_sysclk3),
+ CLK(NULL, "pll0_sysclk4", &pll0_sysclk4),
+ CLK(NULL, "pll0_sysclk5", &pll0_sysclk5),
+ CLK(NULL, "pll0_sysclk6", &pll0_sysclk6),
+ CLK(NULL, "pll0_sysclk7", &pll0_sysclk7),
+ CLK("i2c_davinci.1", NULL, &i2c0_clk),
+ CLK(NULL, "timer0", &timerp64_0_clk),
+ CLK("watchdog", NULL, &timerp64_1_clk),
+ CLK(NULL, "arm_rom", &arm_rom_clk),
+ CLK(NULL, "scr0_ss", &scr0_ss_clk),
+ CLK(NULL, "scr1_ss", &scr1_ss_clk),
+ CLK(NULL, "scr2_ss", &scr2_ss_clk),
+ CLK(NULL, "dmax", &dmax_clk),
+ CLK(NULL, "tpcc", &tpcc_clk),
+ CLK(NULL, "tptc0", &tptc0_clk),
+ CLK(NULL, "tptc1", &tptc1_clk),
+ CLK("davinci_mmc.0", NULL, &mmcsd_clk),
+ CLK(NULL, "uart0", &uart0_clk),
+ CLK(NULL, "uart1", &uart1_clk),
+ CLK(NULL, "uart2", &uart2_clk),
+ CLK("dm_spi.0", NULL, &spi0_clk),
+ CLK("dm_spi.1", NULL, &spi1_clk),
+ CLK(NULL, "ecap0", &ecap0_clk),
+ CLK(NULL, "ecap1", &ecap1_clk),
+ CLK(NULL, "ecap2", &ecap2_clk),
+ CLK(NULL, "pwm0", &pwm0_clk),
+ CLK(NULL, "pwm1", &pwm1_clk),
+ CLK(NULL, "pwm2", &pwm2_clk),
+ CLK("eqep.0", NULL, &eqep0_clk),
+ CLK("eqep.1", NULL, &eqep1_clk),
+ CLK("da830_lcdc", NULL, &lcdc_clk),
+ CLK("soc-audio.0", NULL, &mcasp0_clk),
+ CLK("soc-audio.1", NULL, &mcasp1_clk),
+ CLK("soc-audio.2", NULL, &mcasp2_clk),
+ CLK("musb_hdrc", NULL, &usb20_clk),
+ CLK(NULL, "aemif", &aemif_clk),
+ CLK(NULL, "aintc", &aintc_clk),
+ CLK(NULL, "secu_mgr", &secu_mgr_clk),
+ CLK("davinci_emac.1", NULL, &emac_clk),
+ CLK(NULL, "gpio", &gpio_clk),
+ CLK("i2c_davinci.2", NULL, &i2c1_clk),
+ CLK(NULL, "usb11", &usb11_clk),
+ CLK(NULL, "emif3", &emif3_clk),
+ CLK(NULL, "arm", &arm_clk),
+ CLK(NULL, "rmii", &rmii_clk),
+ CLK(NULL, NULL, NULL),
+};
+
+#define PINMUX0 0x00
+#define PINMUX1 0x04
+#define PINMUX2 0x08
+#define PINMUX3 0x0c
+#define PINMUX4 0x10
+#define PINMUX5 0x14
+#define PINMUX6 0x18
+#define PINMUX7 0x1c
+#define PINMUX8 0x20
+#define PINMUX9 0x24
+#define PINMUX10 0x28
+#define PINMUX11 0x2c
+#define PINMUX12 0x30
+#define PINMUX13 0x34
+#define PINMUX14 0x38
+#define PINMUX15 0x3c
+#define PINMUX16 0x40
+#define PINMUX17 0x44
+#define PINMUX18 0x48
+#define PINMUX19 0x4c
+
+/*
+ * Device specific mux setup
+ *
+ * soc description mux mode mode mux dbg
+ * reg offset mask mode
+ */
+static const struct mux_config da830_pins[] = {
+#ifdef CONFIG_DAVINCI_MUX
+ MUX_CFG(DA830, GPIO7_14, 0, 0, 0xf, 1, false)
+ MUX_CFG(DA830, RTCK, 0, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_15, 0, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMU_0, 0, 4, 0xf, 8, false)
+ MUX_CFG(DA830, EMB_SDCKE, 0, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_CLK_GLUE, 0, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_CLK, 0, 12, 0xf, 2, false)
+ MUX_CFG(DA830, NEMB_CS_0, 0, 16, 0xf, 1, false)
+ MUX_CFG(DA830, NEMB_CAS, 0, 20, 0xf, 1, false)
+ MUX_CFG(DA830, NEMB_RAS, 0, 24, 0xf, 1, false)
+ MUX_CFG(DA830, NEMB_WE, 0, 28, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_BA_1, 1, 0, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_BA_0, 1, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_0, 1, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_1, 1, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_2, 1, 16, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_3, 1, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_4, 1, 24, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_5, 1, 28, 0xf, 1, false)
+ MUX_CFG(DA830, GPIO7_0, 1, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_1, 1, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_2, 1, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_3, 1, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_4, 1, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_5, 1, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_6, 1, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_7, 1, 28, 0xf, 8, false)
+ MUX_CFG(DA830, EMB_A_6, 2, 0, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_7, 2, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_8, 2, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_9, 2, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_10, 2, 16, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_11, 2, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_A_12, 2, 24, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_31, 2, 28, 0xf, 1, false)
+ MUX_CFG(DA830, GPIO7_8, 2, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_9, 2, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_10, 2, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_11, 2, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_12, 2, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO7_13, 2, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_13, 2, 24, 0xf, 8, false)
+ MUX_CFG(DA830, EMB_D_30, 3, 0, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_29, 3, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_28, 3, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_27, 3, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_26, 3, 16, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_25, 3, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_24, 3, 24, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_23, 3, 28, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_22, 4, 0, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_21, 4, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_20, 4, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_19, 4, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_18, 4, 16, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_17, 4, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_16, 4, 24, 0xf, 1, false)
+ MUX_CFG(DA830, NEMB_WE_DQM_3, 4, 28, 0xf, 1, false)
+ MUX_CFG(DA830, NEMB_WE_DQM_2, 5, 0, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_0, 5, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_1, 5, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_2, 5, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_3, 5, 16, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_4, 5, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_5, 5, 24, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_6, 5, 28, 0xf, 1, false)
+ MUX_CFG(DA830, GPIO6_0, 5, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_1, 5, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_2, 5, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_3, 5, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_4, 5, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_5, 5, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_6, 5, 28, 0xf, 8, false)
+ MUX_CFG(DA830, EMB_D_7, 6, 0, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_8, 6, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_9, 6, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_10, 6, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_11, 6, 16, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_12, 6, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_13, 6, 24, 0xf, 1, false)
+ MUX_CFG(DA830, EMB_D_14, 6, 28, 0xf, 1, false)
+ MUX_CFG(DA830, GPIO6_7, 6, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_8, 6, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_9, 6, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_10, 6, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_11, 6, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_12, 6, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_13, 6, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO6_14, 6, 28, 0xf, 8, false)
+ MUX_CFG(DA830, EMB_D_15, 7, 0, 0xf, 1, false)
+ MUX_CFG(DA830, NEMB_WE_DQM_1, 7, 4, 0xf, 1, false)
+ MUX_CFG(DA830, NEMB_WE_DQM_0, 7, 8, 0xf, 1, false)
+ MUX_CFG(DA830, SPI0_SOMI_0, 7, 12, 0xf, 1, false)
+ MUX_CFG(DA830, SPI0_SIMO_0, 7, 16, 0xf, 1, false)
+ MUX_CFG(DA830, SPI0_CLK, 7, 20, 0xf, 1, false)
+ MUX_CFG(DA830, NSPI0_ENA, 7, 24, 0xf, 1, false)
+ MUX_CFG(DA830, NSPI0_SCS_0, 7, 28, 0xf, 1, false)
+ MUX_CFG(DA830, EQEP0I, 7, 12, 0xf, 2, false)
+ MUX_CFG(DA830, EQEP0S, 7, 16, 0xf, 2, false)
+ MUX_CFG(DA830, EQEP1I, 7, 20, 0xf, 2, false)
+ MUX_CFG(DA830, NUART0_CTS, 7, 24, 0xf, 2, false)
+ MUX_CFG(DA830, NUART0_RTS, 7, 28, 0xf, 2, false)
+ MUX_CFG(DA830, EQEP0A, 7, 24, 0xf, 4, false)
+ MUX_CFG(DA830, EQEP0B, 7, 28, 0xf, 4, false)
+ MUX_CFG(DA830, GPIO6_15, 7, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_14, 7, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_15, 7, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_0, 7, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_1, 7, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_2, 7, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_3, 7, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_4, 7, 28, 0xf, 8, false)
+ MUX_CFG(DA830, SPI1_SOMI_0, 8, 0, 0xf, 1, false)
+ MUX_CFG(DA830, SPI1_SIMO_0, 8, 4, 0xf, 1, false)
+ MUX_CFG(DA830, SPI1_CLK, 8, 8, 0xf, 1, false)
+ MUX_CFG(DA830, UART0_RXD, 8, 12, 0xf, 1, false)
+ MUX_CFG(DA830, UART0_TXD, 8, 16, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_10, 8, 20, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_11, 8, 24, 0xf, 1, false)
+ MUX_CFG(DA830, NSPI1_ENA, 8, 28, 0xf, 1, false)
+ MUX_CFG(DA830, I2C1_SCL, 8, 0, 0xf, 2, false)
+ MUX_CFG(DA830, I2C1_SDA, 8, 4, 0xf, 2, false)
+ MUX_CFG(DA830, EQEP1S, 8, 8, 0xf, 2, false)
+ MUX_CFG(DA830, I2C0_SDA, 8, 12, 0xf, 2, false)
+ MUX_CFG(DA830, I2C0_SCL, 8, 16, 0xf, 2, false)
+ MUX_CFG(DA830, UART2_RXD, 8, 28, 0xf, 2, false)
+ MUX_CFG(DA830, TM64P0_IN12, 8, 12, 0xf, 4, false)
+ MUX_CFG(DA830, TM64P0_OUT12, 8, 16, 0xf, 4, false)
+ MUX_CFG(DA830, GPIO5_5, 8, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_6, 8, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_7, 8, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_8, 8, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_9, 8, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_10, 8, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_11, 8, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO5_12, 8, 28, 0xf, 8, false)
+ MUX_CFG(DA830, NSPI1_SCS_0, 9, 0, 0xf, 1, false)
+ MUX_CFG(DA830, USB0_DRVVBUS, 9, 4, 0xf, 1, false)
+ MUX_CFG(DA830, AHCLKX0, 9, 8, 0xf, 1, false)
+ MUX_CFG(DA830, ACLKX0, 9, 12, 0xf, 1, false)
+ MUX_CFG(DA830, AFSX0, 9, 16, 0xf, 1, false)
+ MUX_CFG(DA830, AHCLKR0, 9, 20, 0xf, 1, false)
+ MUX_CFG(DA830, ACLKR0, 9, 24, 0xf, 1, false)
+ MUX_CFG(DA830, AFSR0, 9, 28, 0xf, 1, false)
+ MUX_CFG(DA830, UART2_TXD, 9, 0, 0xf, 2, false)
+ MUX_CFG(DA830, AHCLKX2, 9, 8, 0xf, 2, false)
+ MUX_CFG(DA830, ECAP0_APWM0, 9, 12, 0xf, 2, false)
+ MUX_CFG(DA830, RMII_MHZ_50_CLK, 9, 20, 0xf, 2, false)
+ MUX_CFG(DA830, ECAP1_APWM1, 9, 24, 0xf, 2, false)
+ MUX_CFG(DA830, USB_REFCLKIN, 9, 8, 0xf, 4, false)
+ MUX_CFG(DA830, GPIO5_13, 9, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_15, 9, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_11, 9, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_12, 9, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_13, 9, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_14, 9, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_15, 9, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_12, 9, 28, 0xf, 8, false)
+ MUX_CFG(DA830, AMUTE0, 10, 0, 0xf, 1, false)
+ MUX_CFG(DA830, AXR0_0, 10, 4, 0xf, 1, false)
+ MUX_CFG(DA830, AXR0_1, 10, 8, 0xf, 1, false)
+ MUX_CFG(DA830, AXR0_2, 10, 12, 0xf, 1, false)
+ MUX_CFG(DA830, AXR0_3, 10, 16, 0xf, 1, false)
+ MUX_CFG(DA830, AXR0_4, 10, 20, 0xf, 1, false)
+ MUX_CFG(DA830, AXR0_5, 10, 24, 0xf, 1, false)
+ MUX_CFG(DA830, AXR0_6, 10, 28, 0xf, 1, false)
+ MUX_CFG(DA830, RMII_TXD_0, 10, 4, 0xf, 2, false)
+ MUX_CFG(DA830, RMII_TXD_1, 10, 8, 0xf, 2, false)
+ MUX_CFG(DA830, RMII_TXEN, 10, 12, 0xf, 2, false)
+ MUX_CFG(DA830, RMII_CRS_DV, 10, 16, 0xf, 2, false)
+ MUX_CFG(DA830, RMII_RXD_0, 10, 20, 0xf, 2, false)
+ MUX_CFG(DA830, RMII_RXD_1, 10, 24, 0xf, 2, false)
+ MUX_CFG(DA830, RMII_RXER, 10, 28, 0xf, 2, false)
+ MUX_CFG(DA830, AFSR2, 10, 4, 0xf, 4, false)
+ MUX_CFG(DA830, ACLKX2, 10, 8, 0xf, 4, false)
+ MUX_CFG(DA830, AXR2_3, 10, 12, 0xf, 4, false)
+ MUX_CFG(DA830, AXR2_2, 10, 16, 0xf, 4, false)
+ MUX_CFG(DA830, AXR2_1, 10, 20, 0xf, 4, false)
+ MUX_CFG(DA830, AFSX2, 10, 24, 0xf, 4, false)
+ MUX_CFG(DA830, ACLKR2, 10, 28, 0xf, 4, false)
+ MUX_CFG(DA830, NRESETOUT, 10, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_0, 10, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_1, 10, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_2, 10, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_3, 10, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_4, 10, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_5, 10, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_6, 10, 28, 0xf, 8, false)
+ MUX_CFG(DA830, AXR0_7, 11, 0, 0xf, 1, false)
+ MUX_CFG(DA830, AXR0_8, 11, 4, 0xf, 1, false)
+ MUX_CFG(DA830, UART1_RXD, 11, 8, 0xf, 1, false)
+ MUX_CFG(DA830, UART1_TXD, 11, 12, 0xf, 1, false)
+ MUX_CFG(DA830, AXR0_11, 11, 16, 0xf, 1, false)
+ MUX_CFG(DA830, AHCLKX1, 11, 20, 0xf, 1, false)
+ MUX_CFG(DA830, ACLKX1, 11, 24, 0xf, 1, false)
+ MUX_CFG(DA830, AFSX1, 11, 28, 0xf, 1, false)
+ MUX_CFG(DA830, MDIO_CLK, 11, 0, 0xf, 2, false)
+ MUX_CFG(DA830, MDIO_D, 11, 4, 0xf, 2, false)
+ MUX_CFG(DA830, AXR0_9, 11, 8, 0xf, 2, false)
+ MUX_CFG(DA830, AXR0_10, 11, 12, 0xf, 2, false)
+ MUX_CFG(DA830, EPWM0B, 11, 20, 0xf, 2, false)
+ MUX_CFG(DA830, EPWM0A, 11, 24, 0xf, 2, false)
+ MUX_CFG(DA830, EPWMSYNCI, 11, 28, 0xf, 2, false)
+ MUX_CFG(DA830, AXR2_0, 11, 16, 0xf, 4, false)
+ MUX_CFG(DA830, EPWMSYNC0, 11, 28, 0xf, 4, false)
+ MUX_CFG(DA830, GPIO3_7, 11, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_8, 11, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_9, 11, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_10, 11, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_11, 11, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_14, 11, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO3_15, 11, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_10, 11, 28, 0xf, 8, false)
+ MUX_CFG(DA830, AHCLKR1, 12, 0, 0xf, 1, false)
+ MUX_CFG(DA830, ACLKR1, 12, 4, 0xf, 1, false)
+ MUX_CFG(DA830, AFSR1, 12, 8, 0xf, 1, false)
+ MUX_CFG(DA830, AMUTE1, 12, 12, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_0, 12, 16, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_1, 12, 20, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_2, 12, 24, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_3, 12, 28, 0xf, 1, false)
+ MUX_CFG(DA830, ECAP2_APWM2, 12, 4, 0xf, 2, false)
+ MUX_CFG(DA830, EHRPWMGLUETZ, 12, 12, 0xf, 2, false)
+ MUX_CFG(DA830, EQEP1A, 12, 28, 0xf, 2, false)
+ MUX_CFG(DA830, GPIO4_11, 12, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_12, 12, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_13, 12, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_14, 12, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_0, 12, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_1, 12, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_2, 12, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_3, 12, 28, 0xf, 8, false)
+ MUX_CFG(DA830, AXR1_4, 13, 0, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_5, 13, 4, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_6, 13, 8, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_7, 13, 12, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_8, 13, 16, 0xf, 1, false)
+ MUX_CFG(DA830, AXR1_9, 13, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_0, 13, 24, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_1, 13, 28, 0xf, 1, false)
+ MUX_CFG(DA830, EQEP1B, 13, 0, 0xf, 2, false)
+ MUX_CFG(DA830, EPWM2B, 13, 4, 0xf, 2, false)
+ MUX_CFG(DA830, EPWM2A, 13, 8, 0xf, 2, false)
+ MUX_CFG(DA830, EPWM1B, 13, 12, 0xf, 2, false)
+ MUX_CFG(DA830, EPWM1A, 13, 16, 0xf, 2, false)
+ MUX_CFG(DA830, MMCSD_DAT_0, 13, 24, 0xf, 2, false)
+ MUX_CFG(DA830, MMCSD_DAT_1, 13, 28, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HD_0, 13, 24, 0xf, 4, false)
+ MUX_CFG(DA830, UHPI_HD_1, 13, 28, 0xf, 4, false)
+ MUX_CFG(DA830, GPIO4_4, 13, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_5, 13, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_6, 13, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_7, 13, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_8, 13, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO4_9, 13, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_0, 13, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_1, 13, 28, 0xf, 8, false)
+ MUX_CFG(DA830, EMA_D_2, 14, 0, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_3, 14, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_4, 14, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_5, 14, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_6, 14, 16, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_7, 14, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_8, 14, 24, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_9, 14, 28, 0xf, 1, false)
+ MUX_CFG(DA830, MMCSD_DAT_2, 14, 0, 0xf, 2, false)
+ MUX_CFG(DA830, MMCSD_DAT_3, 14, 4, 0xf, 2, false)
+ MUX_CFG(DA830, MMCSD_DAT_4, 14, 8, 0xf, 2, false)
+ MUX_CFG(DA830, MMCSD_DAT_5, 14, 12, 0xf, 2, false)
+ MUX_CFG(DA830, MMCSD_DAT_6, 14, 16, 0xf, 2, false)
+ MUX_CFG(DA830, MMCSD_DAT_7, 14, 20, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HD_8, 14, 24, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HD_9, 14, 28, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HD_2, 14, 0, 0xf, 4, false)
+ MUX_CFG(DA830, UHPI_HD_3, 14, 4, 0xf, 4, false)
+ MUX_CFG(DA830, UHPI_HD_4, 14, 8, 0xf, 4, false)
+ MUX_CFG(DA830, UHPI_HD_5, 14, 12, 0xf, 4, false)
+ MUX_CFG(DA830, UHPI_HD_6, 14, 16, 0xf, 4, false)
+ MUX_CFG(DA830, UHPI_HD_7, 14, 20, 0xf, 4, false)
+ MUX_CFG(DA830, LCD_D_8, 14, 24, 0xf, 4, false)
+ MUX_CFG(DA830, LCD_D_9, 14, 28, 0xf, 4, false)
+ MUX_CFG(DA830, GPIO0_2, 14, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_3, 14, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_4, 14, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_5, 14, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_6, 14, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_7, 14, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_8, 14, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_9, 14, 28, 0xf, 8, false)
+ MUX_CFG(DA830, EMA_D_10, 15, 0, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_11, 15, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_12, 15, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_13, 15, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_14, 15, 16, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_D_15, 15, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_0, 15, 24, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_1, 15, 28, 0xf, 1, false)
+ MUX_CFG(DA830, UHPI_HD_10, 15, 0, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HD_11, 15, 4, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HD_12, 15, 8, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HD_13, 15, 12, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HD_14, 15, 16, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HD_15, 15, 20, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_D_7, 15, 24, 0xf, 2, false)
+ MUX_CFG(DA830, MMCSD_CLK, 15, 28, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_D_10, 15, 0, 0xf, 4, false)
+ MUX_CFG(DA830, LCD_D_11, 15, 4, 0xf, 4, false)
+ MUX_CFG(DA830, LCD_D_12, 15, 8, 0xf, 4, false)
+ MUX_CFG(DA830, LCD_D_13, 15, 12, 0xf, 4, false)
+ MUX_CFG(DA830, LCD_D_14, 15, 16, 0xf, 4, false)
+ MUX_CFG(DA830, LCD_D_15, 15, 20, 0xf, 4, false)
+ MUX_CFG(DA830, UHPI_HCNTL0, 15, 28, 0xf, 4, false)
+ MUX_CFG(DA830, GPIO0_10, 15, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_11, 15, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_12, 15, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_13, 15, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_14, 15, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO0_15, 15, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_0, 15, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_1, 15, 28, 0xf, 8, false)
+ MUX_CFG(DA830, EMA_A_2, 16, 0, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_3, 16, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_4, 16, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_5, 16, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_6, 16, 16, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_7, 16, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_8, 16, 24, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_9, 16, 28, 0xf, 1, false)
+ MUX_CFG(DA830, MMCSD_CMD, 16, 0, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_D_6, 16, 4, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_D_3, 16, 8, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_D_2, 16, 12, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_D_1, 16, 16, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_D_0, 16, 20, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_PCLK, 16, 24, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_HSYNC, 16, 28, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HCNTL1, 16, 0, 0xf, 4, false)
+ MUX_CFG(DA830, GPIO1_2, 16, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_3, 16, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_4, 16, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_5, 16, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_6, 16, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_7, 16, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_8, 16, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_9, 16, 28, 0xf, 8, false)
+ MUX_CFG(DA830, EMA_A_10, 17, 0, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_11, 17, 4, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_A_12, 17, 8, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_BA_1, 17, 12, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_BA_0, 17, 16, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_CLK, 17, 20, 0xf, 1, false)
+ MUX_CFG(DA830, EMA_SDCKE, 17, 24, 0xf, 1, false)
+ MUX_CFG(DA830, NEMA_CAS, 17, 28, 0xf, 1, false)
+ MUX_CFG(DA830, LCD_VSYNC, 17, 0, 0xf, 2, false)
+ MUX_CFG(DA830, NLCD_AC_ENB_CS, 17, 4, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_MCLK, 17, 8, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_D_5, 17, 12, 0xf, 2, false)
+ MUX_CFG(DA830, LCD_D_4, 17, 16, 0xf, 2, false)
+ MUX_CFG(DA830, OBSCLK, 17, 20, 0xf, 2, false)
+ MUX_CFG(DA830, NEMA_CS_4, 17, 28, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HHWIL, 17, 12, 0xf, 4, false)
+ MUX_CFG(DA830, AHCLKR2, 17, 20, 0xf, 4, false)
+ MUX_CFG(DA830, GPIO1_10, 17, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_11, 17, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_12, 17, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_13, 17, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_14, 17, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO1_15, 17, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_0, 17, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_1, 17, 28, 0xf, 8, false)
+ MUX_CFG(DA830, NEMA_RAS, 18, 0, 0xf, 1, false)
+ MUX_CFG(DA830, NEMA_WE, 18, 4, 0xf, 1, false)
+ MUX_CFG(DA830, NEMA_CS_0, 18, 8, 0xf, 1, false)
+ MUX_CFG(DA830, NEMA_CS_2, 18, 12, 0xf, 1, false)
+ MUX_CFG(DA830, NEMA_CS_3, 18, 16, 0xf, 1, false)
+ MUX_CFG(DA830, NEMA_OE, 18, 20, 0xf, 1, false)
+ MUX_CFG(DA830, NEMA_WE_DQM_1, 18, 24, 0xf, 1, false)
+ MUX_CFG(DA830, NEMA_WE_DQM_0, 18, 28, 0xf, 1, false)
+ MUX_CFG(DA830, NEMA_CS_5, 18, 0, 0xf, 2, false)
+ MUX_CFG(DA830, UHPI_HRNW, 18, 4, 0xf, 2, false)
+ MUX_CFG(DA830, NUHPI_HAS, 18, 8, 0xf, 2, false)
+ MUX_CFG(DA830, NUHPI_HCS, 18, 12, 0xf, 2, false)
+ MUX_CFG(DA830, NUHPI_HDS1, 18, 20, 0xf, 2, false)
+ MUX_CFG(DA830, NUHPI_HDS2, 18, 24, 0xf, 2, false)
+ MUX_CFG(DA830, NUHPI_HINT, 18, 28, 0xf, 2, false)
+ MUX_CFG(DA830, AXR0_12, 18, 4, 0xf, 4, false)
+ MUX_CFG(DA830, AMUTE2, 18, 16, 0xf, 4, false)
+ MUX_CFG(DA830, AXR0_13, 18, 20, 0xf, 4, false)
+ MUX_CFG(DA830, AXR0_14, 18, 24, 0xf, 4, false)
+ MUX_CFG(DA830, AXR0_15, 18, 28, 0xf, 4, false)
+ MUX_CFG(DA830, GPIO2_2, 18, 0, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_3, 18, 4, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_4, 18, 8, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_5, 18, 12, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_6, 18, 16, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_7, 18, 20, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_8, 18, 24, 0xf, 8, false)
+ MUX_CFG(DA830, GPIO2_9, 18, 28, 0xf, 8, false)
+ MUX_CFG(DA830, EMA_WAIT_0, 19, 0, 0xf, 1, false)
+ MUX_CFG(DA830, NUHPI_HRDY, 19, 0, 0xf, 2, false)
+ MUX_CFG(DA830, GPIO2_10, 19, 0, 0xf, 8, false)
+#endif
+};
+
+const short da830_emif25_pins[] __initdata = {
+ DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
+ DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
+ DA830_EMA_D_8, DA830_EMA_D_9, DA830_EMA_D_10, DA830_EMA_D_11,
+ DA830_EMA_D_12, DA830_EMA_D_13, DA830_EMA_D_14, DA830_EMA_D_15,
+ DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
+ DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
+ DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
+ DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_EMA_CLK,
+ DA830_EMA_SDCKE, DA830_NEMA_CS_4, DA830_NEMA_CS_5, DA830_NEMA_WE,
+ DA830_NEMA_CS_0, DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE,
+ DA830_NEMA_WE_DQM_1, DA830_NEMA_WE_DQM_0, DA830_EMA_WAIT_0,
+ -1
+};
+
+const short da830_spi0_pins[] __initdata = {
+ DA830_SPI0_SOMI_0, DA830_SPI0_SIMO_0, DA830_SPI0_CLK, DA830_NSPI0_ENA,
+ DA830_NSPI0_SCS_0,
+ -1
+};
+
+const short da830_spi1_pins[] __initdata = {
+ DA830_SPI1_SOMI_0, DA830_SPI1_SIMO_0, DA830_SPI1_CLK, DA830_NSPI1_ENA,
+ DA830_NSPI1_SCS_0,
+ -1
+};
+
+const short da830_mmc_sd_pins[] __initdata = {
+ DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
+ DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
+ DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
+ DA830_MMCSD_CMD,
+ -1
+};
+
+const short da830_uart0_pins[] __initdata = {
+ DA830_NUART0_CTS, DA830_NUART0_RTS, DA830_UART0_RXD, DA830_UART0_TXD,
+ -1
+};
+
+const short da830_uart1_pins[] __initdata = {
+ DA830_UART1_RXD, DA830_UART1_TXD,
+ -1
+};
+
+const short da830_uart2_pins[] __initdata = {
+ DA830_UART2_RXD, DA830_UART2_TXD,
+ -1
+};
+
+const short da830_usb20_pins[] __initdata = {
+ DA830_USB0_DRVVBUS, DA830_USB_REFCLKIN,
+ -1
+};
+
+const short da830_usb11_pins[] __initdata = {
+ DA830_USB_REFCLKIN,
+ -1
+};
+
+const short da830_uhpi_pins[] __initdata = {
+ DA830_UHPI_HD_0, DA830_UHPI_HD_1, DA830_UHPI_HD_2, DA830_UHPI_HD_3,
+ DA830_UHPI_HD_4, DA830_UHPI_HD_5, DA830_UHPI_HD_6, DA830_UHPI_HD_7,
+ DA830_UHPI_HD_8, DA830_UHPI_HD_9, DA830_UHPI_HD_10, DA830_UHPI_HD_11,
+ DA830_UHPI_HD_12, DA830_UHPI_HD_13, DA830_UHPI_HD_14, DA830_UHPI_HD_15,
+ DA830_UHPI_HCNTL0, DA830_UHPI_HCNTL1, DA830_UHPI_HHWIL, DA830_UHPI_HRNW,
+ DA830_NUHPI_HAS, DA830_NUHPI_HCS, DA830_NUHPI_HDS1, DA830_NUHPI_HDS2,
+ DA830_NUHPI_HINT, DA830_NUHPI_HRDY,
+ -1
+};
+
+const short da830_cpgmac_pins[] __initdata = {
+ DA830_RMII_TXD_0, DA830_RMII_TXD_1, DA830_RMII_TXEN, DA830_RMII_CRS_DV,
+ DA830_RMII_RXD_0, DA830_RMII_RXD_1, DA830_RMII_RXER, DA830_MDIO_CLK,
+ DA830_MDIO_D,
+ -1
+};
+
+const short da830_emif3c_pins[] __initdata = {
+ DA830_EMB_SDCKE, DA830_EMB_CLK_GLUE, DA830_EMB_CLK, DA830_NEMB_CS_0,
+ DA830_NEMB_CAS, DA830_NEMB_RAS, DA830_NEMB_WE, DA830_EMB_BA_1,
+ DA830_EMB_BA_0, DA830_EMB_A_0, DA830_EMB_A_1, DA830_EMB_A_2,
+ DA830_EMB_A_3, DA830_EMB_A_4, DA830_EMB_A_5, DA830_EMB_A_6,
+ DA830_EMB_A_7, DA830_EMB_A_8, DA830_EMB_A_9, DA830_EMB_A_10,
+ DA830_EMB_A_11, DA830_EMB_A_12, DA830_NEMB_WE_DQM_3,
+ DA830_NEMB_WE_DQM_2, DA830_EMB_D_0, DA830_EMB_D_1, DA830_EMB_D_2,
+ DA830_EMB_D_3, DA830_EMB_D_4, DA830_EMB_D_5, DA830_EMB_D_6,
+ DA830_EMB_D_7, DA830_EMB_D_8, DA830_EMB_D_9, DA830_EMB_D_10,
+ DA830_EMB_D_11, DA830_EMB_D_12, DA830_EMB_D_13, DA830_EMB_D_14,
+ DA830_EMB_D_15, DA830_EMB_D_16, DA830_EMB_D_17, DA830_EMB_D_18,
+ DA830_EMB_D_19, DA830_EMB_D_20, DA830_EMB_D_21, DA830_EMB_D_22,
+ DA830_EMB_D_23, DA830_EMB_D_24, DA830_EMB_D_25, DA830_EMB_D_26,
+ DA830_EMB_D_27, DA830_EMB_D_28, DA830_EMB_D_29, DA830_EMB_D_30,
+ DA830_EMB_D_31, DA830_NEMB_WE_DQM_1, DA830_NEMB_WE_DQM_0,
+ -1
+};
+
+const short da830_mcasp0_pins[] __initdata = {
+ DA830_AHCLKX0, DA830_ACLKX0, DA830_AFSX0,
+ DA830_AHCLKR0, DA830_ACLKR0, DA830_AFSR0, DA830_AMUTE0,
+ DA830_AXR0_0, DA830_AXR0_1, DA830_AXR0_2, DA830_AXR0_3,
+ DA830_AXR0_4, DA830_AXR0_5, DA830_AXR0_6, DA830_AXR0_7,
+ DA830_AXR0_8, DA830_AXR0_9, DA830_AXR0_10, DA830_AXR0_11,
+ DA830_AXR0_12, DA830_AXR0_13, DA830_AXR0_14, DA830_AXR0_15,
+ -1
+};
+
+const short da830_mcasp1_pins[] __initdata = {
+ DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1,
+ DA830_AHCLKR1, DA830_ACLKR1, DA830_AFSR1, DA830_AMUTE1,
+ DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_3,
+ DA830_AXR1_4, DA830_AXR1_5, DA830_AXR1_6, DA830_AXR1_7,
+ DA830_AXR1_8, DA830_AXR1_9, DA830_AXR1_10, DA830_AXR1_11,
+ -1
+};
+
+const short da830_mcasp2_pins[] __initdata = {
+ DA830_AHCLKX2, DA830_ACLKX2, DA830_AFSX2,
+ DA830_AHCLKR2, DA830_ACLKR2, DA830_AFSR2, DA830_AMUTE2,
+ DA830_AXR2_0, DA830_AXR2_1, DA830_AXR2_2, DA830_AXR2_3,
+ -1
+};
+
+const short da830_i2c0_pins[] __initdata = {
+ DA830_I2C0_SDA, DA830_I2C0_SCL,
+ -1
+};
+
+const short da830_i2c1_pins[] __initdata = {
+ DA830_I2C1_SCL, DA830_I2C1_SDA,
+ -1
+};
+
+const short da830_lcdcntl_pins[] __initdata = {
+ DA830_LCD_D_0, DA830_LCD_D_1, DA830_LCD_D_2, DA830_LCD_D_3,
+ DA830_LCD_D_4, DA830_LCD_D_5, DA830_LCD_D_6, DA830_LCD_D_7,
+ DA830_LCD_D_8, DA830_LCD_D_9, DA830_LCD_D_10, DA830_LCD_D_11,
+ DA830_LCD_D_12, DA830_LCD_D_13, DA830_LCD_D_14, DA830_LCD_D_15,
+ DA830_LCD_PCLK, DA830_LCD_HSYNC, DA830_LCD_VSYNC, DA830_NLCD_AC_ENB_CS,
+ DA830_LCD_MCLK,
+ -1
+};
+
+const short da830_pwm_pins[] __initdata = {
+ DA830_ECAP0_APWM0, DA830_ECAP1_APWM1, DA830_EPWM0B, DA830_EPWM0A,
+ DA830_EPWMSYNCI, DA830_EPWMSYNC0, DA830_ECAP2_APWM2, DA830_EHRPWMGLUETZ,
+ DA830_EPWM2B, DA830_EPWM2A, DA830_EPWM1B, DA830_EPWM1A,
+ -1
+};
+
+const short da830_ecap0_pins[] __initdata = {
+ DA830_ECAP0_APWM0,
+ -1
+};
+
+const short da830_ecap1_pins[] __initdata = {
+ DA830_ECAP1_APWM1,
+ -1
+};
+
+const short da830_ecap2_pins[] __initdata = {
+ DA830_ECAP2_APWM2,
+ -1
+};
+
+const short da830_eqep0_pins[] __initdata = {
+ DA830_EQEP0I, DA830_EQEP0S, DA830_EQEP0A, DA830_EQEP0B,
+ -1
+};
+
+const short da830_eqep1_pins[] __initdata = {
+ DA830_EQEP1I, DA830_EQEP1S, DA830_EQEP1A, DA830_EQEP1B,
+ -1
+};
+
+int da830_pinmux_setup(const short pins[])
+{
+ int i, error = -EINVAL;
+
+ if (pins)
+ for (i = 0; pins[i] >= 0; i++) {
+ error = davinci_cfg_reg(pins[i]);
+ if (error)
+ break;
+ }
+
+ return error;
+}
+
+/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
+static u8 da830_default_priorities[DA830_N_CP_INTC_IRQ] = {
+ [IRQ_DA8XX_COMMTX] = 7,
+ [IRQ_DA8XX_COMMRX] = 7,
+ [IRQ_DA8XX_NINT] = 7,
+ [IRQ_DA8XX_EVTOUT0] = 7,
+ [IRQ_DA8XX_EVTOUT1] = 7,
+ [IRQ_DA8XX_EVTOUT2] = 7,
+ [IRQ_DA8XX_EVTOUT3] = 7,
+ [IRQ_DA8XX_EVTOUT4] = 7,
+ [IRQ_DA8XX_EVTOUT5] = 7,
+ [IRQ_DA8XX_EVTOUT6] = 7,
+ [IRQ_DA8XX_EVTOUT6] = 7,
+ [IRQ_DA8XX_EVTOUT7] = 7,
+ [IRQ_DA8XX_CCINT0] = 7,
+ [IRQ_DA8XX_CCERRINT] = 7,
+ [IRQ_DA8XX_TCERRINT0] = 7,
+ [IRQ_DA8XX_AEMIFINT] = 7,
+ [IRQ_DA8XX_I2CINT0] = 7,
+ [IRQ_DA8XX_MMCSDINT0] = 7,
+ [IRQ_DA8XX_MMCSDINT1] = 7,
+ [IRQ_DA8XX_ALLINT0] = 7,
+ [IRQ_DA8XX_RTC] = 7,
+ [IRQ_DA8XX_SPINT0] = 7,
+ [IRQ_DA8XX_TINT12_0] = 7,
+ [IRQ_DA8XX_TINT34_0] = 7,
+ [IRQ_DA8XX_TINT12_1] = 7,
+ [IRQ_DA8XX_TINT34_1] = 7,
+ [IRQ_DA8XX_UARTINT0] = 7,
+ [IRQ_DA8XX_KEYMGRINT] = 7,
+ [IRQ_DA8XX_SECINT] = 7,
+ [IRQ_DA8XX_SECKEYERR] = 7,
+ [IRQ_DA830_MPUERR] = 7,
+ [IRQ_DA830_IOPUERR] = 7,
+ [IRQ_DA830_BOOTCFGERR] = 7,
+ [IRQ_DA8XX_CHIPINT0] = 7,
+ [IRQ_DA8XX_CHIPINT1] = 7,
+ [IRQ_DA8XX_CHIPINT2] = 7,
+ [IRQ_DA8XX_CHIPINT3] = 7,
+ [IRQ_DA8XX_TCERRINT1] = 7,
+ [IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7,
+ [IRQ_DA8XX_C0_RX_PULSE] = 7,
+ [IRQ_DA8XX_C0_TX_PULSE] = 7,
+ [IRQ_DA8XX_C0_MISC_PULSE] = 7,
+ [IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7,
+ [IRQ_DA8XX_C1_RX_PULSE] = 7,
+ [IRQ_DA8XX_C1_TX_PULSE] = 7,
+ [IRQ_DA8XX_C1_MISC_PULSE] = 7,
+ [IRQ_DA8XX_MEMERR] = 7,
+ [IRQ_DA8XX_GPIO0] = 7,
+ [IRQ_DA8XX_GPIO1] = 7,
+ [IRQ_DA8XX_GPIO2] = 7,
+ [IRQ_DA8XX_GPIO3] = 7,
+ [IRQ_DA8XX_GPIO4] = 7,
+ [IRQ_DA8XX_GPIO5] = 7,
+ [IRQ_DA8XX_GPIO6] = 7,
+ [IRQ_DA8XX_GPIO7] = 7,
+ [IRQ_DA8XX_GPIO8] = 7,
+ [IRQ_DA8XX_I2CINT1] = 7,
+ [IRQ_DA8XX_LCDINT] = 7,
+ [IRQ_DA8XX_UARTINT1] = 7,
+ [IRQ_DA8XX_MCASPINT] = 7,
+ [IRQ_DA8XX_ALLINT1] = 7,
+ [IRQ_DA8XX_SPINT1] = 7,
+ [IRQ_DA8XX_UHPI_INT1] = 7,
+ [IRQ_DA8XX_USB_INT] = 7,
+ [IRQ_DA8XX_IRQN] = 7,
+ [IRQ_DA8XX_RWAKEUP] = 7,
+ [IRQ_DA8XX_UARTINT2] = 7,
+ [IRQ_DA8XX_DFTSSINT] = 7,
+ [IRQ_DA8XX_EHRPWM0] = 7,
+ [IRQ_DA8XX_EHRPWM0TZ] = 7,
+ [IRQ_DA8XX_EHRPWM1] = 7,
+ [IRQ_DA8XX_EHRPWM1TZ] = 7,
+ [IRQ_DA830_EHRPWM2] = 7,
+ [IRQ_DA830_EHRPWM2TZ] = 7,
+ [IRQ_DA8XX_ECAP0] = 7,
+ [IRQ_DA8XX_ECAP1] = 7,
+ [IRQ_DA8XX_ECAP2] = 7,
+ [IRQ_DA830_EQEP0] = 7,
+ [IRQ_DA830_EQEP1] = 7,
+ [IRQ_DA830_T12CMPINT0_0] = 7,
+ [IRQ_DA830_T12CMPINT1_0] = 7,
+ [IRQ_DA830_T12CMPINT2_0] = 7,
+ [IRQ_DA830_T12CMPINT3_0] = 7,
+ [IRQ_DA830_T12CMPINT4_0] = 7,
+ [IRQ_DA830_T12CMPINT5_0] = 7,
+ [IRQ_DA830_T12CMPINT6_0] = 7,
+ [IRQ_DA830_T12CMPINT7_0] = 7,
+ [IRQ_DA830_T12CMPINT0_1] = 7,
+ [IRQ_DA830_T12CMPINT1_1] = 7,
+ [IRQ_DA830_T12CMPINT2_1] = 7,
+ [IRQ_DA830_T12CMPINT3_1] = 7,
+ [IRQ_DA830_T12CMPINT4_1] = 7,
+ [IRQ_DA830_T12CMPINT5_1] = 7,
+ [IRQ_DA830_T12CMPINT6_1] = 7,
+ [IRQ_DA830_T12CMPINT7_1] = 7,
+ [IRQ_DA8XX_ARMCLKSTOPREQ] = 7,
+};
+
+static struct map_desc da830_io_desc[] = {
+ {
+ .virtual = IO_VIRT,
+ .pfn = __phys_to_pfn(IO_PHYS),
+ .length = IO_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = DA8XX_CP_INTC_VIRT,
+ .pfn = __phys_to_pfn(DA8XX_CP_INTC_BASE),
+ .length = DA8XX_CP_INTC_SIZE,
+ .type = MT_DEVICE
+ },
+};
+
+static void __iomem *da830_psc_bases[] = {
+ IO_ADDRESS(DA830_PSC0_BASE),
+ IO_ADDRESS(DA830_PSC1_BASE),
+};
+
+/* Contents of JTAG ID register used to identify exact cpu type */
+static struct davinci_id da830_ids[] = {
+ {
+ .variant = 0x0,
+ .part_no = 0xb7df,
+ .manufacturer = 0x017, /* 0x02f >> 1 */
+ .cpu_id = DAVINCI_CPU_ID_DA830,
+ .name = "da830/omap l137",
+ },
+};
+
+static struct davinci_timer_instance da830_timer_instance[2] = {
+ {
+ .base = IO_ADDRESS(DA830_TIMER64P0_BASE),
+ .bottom_irq = IRQ_DA8XX_TINT12_0,
+ .top_irq = IRQ_DA8XX_TINT34_0,
+ .cmp_off = DA830_CMP12_0,
+ .cmp_irq = IRQ_DA830_T12CMPINT0_0,
+ },
+ {
+ .base = IO_ADDRESS(DA830_TIMER64P1_BASE),
+ .bottom_irq = IRQ_DA8XX_TINT12_1,
+ .top_irq = IRQ_DA8XX_TINT34_1,
+ .cmp_off = DA830_CMP12_0,
+ .cmp_irq = IRQ_DA830_T12CMPINT0_1,
+ },
+};
+
+/*
+ * T0_BOT: Timer 0, bottom : Used for clock_event & clocksource
+ * T0_TOP: Timer 0, top : Used by DSP
+ * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
+ */
+static struct davinci_timer_info da830_timer_info = {
+ .timers = da830_timer_instance,
+ .clockevent_id = T0_BOT,
+ .clocksource_id = T0_BOT,
+};
+
+static struct davinci_soc_info davinci_soc_info_da830 = {
+ .io_desc = da830_io_desc,
+ .io_desc_num = ARRAY_SIZE(da830_io_desc),
+ .jtag_id_base = IO_ADDRESS(DA830_JTAG_ID_REG),
+ .ids = da830_ids,
+ .ids_num = ARRAY_SIZE(da830_ids),
+ .cpu_clks = da830_clks,
+ .psc_bases = da830_psc_bases,
+ .psc_bases_num = ARRAY_SIZE(da830_psc_bases),
+ .pinmux_base = IO_ADDRESS(DA8XX_BOOT_CFG_BASE + 0x120),
+ .pinmux_pins = da830_pins,
+ .pinmux_pins_num = ARRAY_SIZE(da830_pins),
+ .intc_base = (void __iomem *)DA8XX_CP_INTC_VIRT,
+ .intc_type = DAVINCI_INTC_TYPE_CP_INTC,
+ .intc_irq_prios = da830_default_priorities,
+ .intc_irq_num = DA830_N_CP_INTC_IRQ,
+ .timer_info = &da830_timer_info,
+ .gpio_base = IO_ADDRESS(DA830_GPIO_BASE),
+ .gpio_num = 128,
+ .gpio_irq = IRQ_DA8XX_GPIO0,
+ .serial_dev = &da8xx_serial_device,
+ .emac_pdata = &da8xx_emac_pdata,
+};
+
+void __init da830_init(void)
+{
+ davinci_common_init(&davinci_soc_info_da830);
+}
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
new file mode 100644
index 000000000000..c367055ae9b9
--- /dev/null
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -0,0 +1,287 @@
+/*
+ * DA8XX/OMAP L1XX platform device data
+ *
+ * Copyright (c) 2007-2009, MontaVista Software, Inc. <source@mvista.com>
+ * Derived from code that was:
+ * Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/serial_8250.h>
+
+#include <mach/cputype.h>
+#include <mach/common.h>
+#include <mach/time.h>
+#include <mach/da8xx.h>
+
+#include "clock.h"
+
+#define DA8XX_TPCC_BASE 0x01c00000
+#define DA8XX_TPTC0_BASE 0x01c08000
+#define DA8XX_TPTC1_BASE 0x01c08400
+#define DA8XX_WDOG_BASE 0x01c21000 /* DA8XX_TIMER64P1_BASE */
+#define DA8XX_I2C0_BASE 0x01c22000
+#define DA8XX_EMAC_CPPI_PORT_BASE 0x01e20000
+#define DA8XX_EMAC_CPGMACSS_BASE 0x01e22000
+#define DA8XX_EMAC_CPGMAC_BASE 0x01e23000
+#define DA8XX_EMAC_MDIO_BASE 0x01e24000
+#define DA8XX_GPIO_BASE 0x01e26000
+#define DA8XX_I2C1_BASE 0x01e28000
+
+#define DA8XX_EMAC_CTRL_REG_OFFSET 0x3000
+#define DA8XX_EMAC_MOD_REG_OFFSET 0x2000
+#define DA8XX_EMAC_RAM_OFFSET 0x0000
+#define DA8XX_MDIO_REG_OFFSET 0x4000
+#define DA8XX_EMAC_CTRL_RAM_SIZE SZ_8K
+
+static struct plat_serial8250_port da8xx_serial_pdata[] = {
+ {
+ .mapbase = DA8XX_UART0_BASE,
+ .irq = IRQ_DA8XX_UARTINT0,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+ UPF_IOREMAP,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ },
+ {
+ .mapbase = DA8XX_UART1_BASE,
+ .irq = IRQ_DA8XX_UARTINT1,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+ UPF_IOREMAP,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ },
+ {
+ .mapbase = DA8XX_UART2_BASE,
+ .irq = IRQ_DA8XX_UARTINT2,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+ UPF_IOREMAP,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ },
+ {
+ .flags = 0,
+ },
+};
+
+struct platform_device da8xx_serial_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = da8xx_serial_pdata,
+ },
+};
+
+static const s8 da8xx_dma_chan_no_event[] = {
+ 20, 21,
+ -1
+};
+
+static const s8 da8xx_queue_tc_mapping[][2] = {
+ /* {event queue no, TC no} */
+ {0, 0},
+ {1, 1},
+ {-1, -1}
+};
+
+static const s8 da8xx_queue_priority_mapping[][2] = {
+ /* {event queue no, Priority} */
+ {0, 3},
+ {1, 7},
+ {-1, -1}
+};
+
+static struct edma_soc_info da8xx_edma_info[] = {
+ {
+ .n_channel = 32,
+ .n_region = 4,
+ .n_slot = 128,
+ .n_tc = 2,
+ .n_cc = 1,
+ .noevent = da8xx_dma_chan_no_event,
+ .queue_tc_mapping = da8xx_queue_tc_mapping,
+ .queue_priority_mapping = da8xx_queue_priority_mapping,
+ },
+};
+
+static struct resource da8xx_edma_resources[] = {
+ {
+ .name = "edma_cc0",
+ .start = DA8XX_TPCC_BASE,
+ .end = DA8XX_TPCC_BASE + SZ_32K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma_tc0",
+ .start = DA8XX_TPTC0_BASE,
+ .end = DA8XX_TPTC0_BASE + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma_tc1",
+ .start = DA8XX_TPTC1_BASE,
+ .end = DA8XX_TPTC1_BASE + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "edma0",
+ .start = IRQ_DA8XX_TCERRINT0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "edma0_err",
+ .start = IRQ_DA8XX_CCERRINT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device da8xx_edma_device = {
+ .name = "edma",
+ .id = -1,
+ .dev = {
+ .platform_data = da8xx_edma_info,
+ },
+ .num_resources = ARRAY_SIZE(da8xx_edma_resources),
+ .resource = da8xx_edma_resources,
+};
+
+int __init da8xx_register_edma(void)
+{
+ return platform_device_register(&da8xx_edma_device);
+}
+
+static struct resource da8xx_i2c_resources0[] = {
+ {
+ .start = DA8XX_I2C0_BASE,
+ .end = DA8XX_I2C0_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_DA8XX_I2CINT0,
+ .end = IRQ_DA8XX_I2CINT0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device da8xx_i2c_device0 = {
+ .name = "i2c_davinci",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(da8xx_i2c_resources0),
+ .resource = da8xx_i2c_resources0,
+};
+
+static struct resource da8xx_i2c_resources1[] = {
+ {
+ .start = DA8XX_I2C1_BASE,
+ .end = DA8XX_I2C1_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_DA8XX_I2CINT1,
+ .end = IRQ_DA8XX_I2CINT1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device da8xx_i2c_device1 = {
+ .name = "i2c_davinci",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(da8xx_i2c_resources1),
+ .resource = da8xx_i2c_resources1,
+};
+
+int __init da8xx_register_i2c(int instance,
+ struct davinci_i2c_platform_data *pdata)
+{
+ struct platform_device *pdev;
+
+ if (instance == 0)
+ pdev = &da8xx_i2c_device0;
+ else if (instance == 1)
+ pdev = &da8xx_i2c_device1;
+ else
+ return -EINVAL;
+
+ pdev->dev.platform_data = pdata;
+ return platform_device_register(pdev);
+}
+
+static struct resource da8xx_watchdog_resources[] = {
+ {
+ .start = DA8XX_WDOG_BASE,
+ .end = DA8XX_WDOG_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device davinci_wdt_device = {
+ .name = "watchdog",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(da8xx_watchdog_resources),
+ .resource = da8xx_watchdog_resources,
+};
+
+int __init da8xx_register_watchdog(void)
+{
+ return platform_device_register(&davinci_wdt_device);
+}
+
+static struct resource da8xx_emac_resources[] = {
+ {
+ .start = DA8XX_EMAC_CPPI_PORT_BASE,
+ .end = DA8XX_EMAC_CPPI_PORT_BASE + 0x5000 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_DA8XX_C0_RX_THRESH_PULSE,
+ .end = IRQ_DA8XX_C0_RX_THRESH_PULSE,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_C0_RX_PULSE,
+ .end = IRQ_DA8XX_C0_RX_PULSE,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_C0_TX_PULSE,
+ .end = IRQ_DA8XX_C0_TX_PULSE,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_C0_MISC_PULSE,
+ .end = IRQ_DA8XX_C0_MISC_PULSE,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct emac_platform_data da8xx_emac_pdata = {
+ .ctrl_reg_offset = DA8XX_EMAC_CTRL_REG_OFFSET,
+ .ctrl_mod_reg_offset = DA8XX_EMAC_MOD_REG_OFFSET,
+ .ctrl_ram_offset = DA8XX_EMAC_RAM_OFFSET,
+ .mdio_reg_offset = DA8XX_MDIO_REG_OFFSET,
+ .ctrl_ram_size = DA8XX_EMAC_CTRL_RAM_SIZE,
+ .version = EMAC_VERSION_2,
+};
+
+static struct platform_device da8xx_emac_device = {
+ .name = "davinci_emac",
+ .id = 1,
+ .dev = {
+ .platform_data = &da8xx_emac_pdata,
+ },
+ .num_resources = ARRAY_SIZE(da8xx_emac_resources),
+ .resource = da8xx_emac_resources,
+};
+
+int __init da8xx_register_emac(void)
+{
+ return platform_device_register(&da8xx_emac_device);
+}
diff --git a/arch/arm/mach-davinci/include/mach/cputype.h b/arch/arm/mach-davinci/include/mach/cputype.h
index 56b92d49e293..fd41189e5c62 100644
--- a/arch/arm/mach-davinci/include/mach/cputype.h
+++ b/arch/arm/mach-davinci/include/mach/cputype.h
@@ -31,6 +31,7 @@ struct davinci_id {
#define DAVINCI_CPU_ID_DM6467 0x64670000
#define DAVINCI_CPU_ID_DM355 0x03550000
#define DAVINCI_CPU_ID_DM365 0x03650000
+#define DAVINCI_CPU_ID_DA830 0x08300000
#define IS_DAVINCI_CPU(type, id) \
static inline int is_davinci_ ##type(void) \
@@ -42,6 +43,7 @@ IS_DAVINCI_CPU(dm644x, DAVINCI_CPU_ID_DM6446)
IS_DAVINCI_CPU(dm646x, DAVINCI_CPU_ID_DM6467)
IS_DAVINCI_CPU(dm355, DAVINCI_CPU_ID_DM355)
IS_DAVINCI_CPU(dm365, DAVINCI_CPU_ID_DM365)
+IS_DAVINCI_CPU(da830, DAVINCI_CPU_ID_DA830)
#ifdef CONFIG_ARCH_DAVINCI_DM644x
#define cpu_is_davinci_dm644x() is_davinci_dm644x()
@@ -67,4 +69,10 @@ IS_DAVINCI_CPU(dm365, DAVINCI_CPU_ID_DM365)
#define cpu_is_davinci_dm365() 0
#endif
+#ifdef CONFIG_ARCH_DAVINCI_DA830
+#define cpu_is_davinci_da830() is_davinci_da830()
+#else
+#define cpu_is_davinci_da830() 0
+#endif
+
#endif
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
new file mode 100644
index 000000000000..084db271c7c4
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -0,0 +1,69 @@
+/*
+ * Chip specific defines for DA8XX/OMAP L1XX SoC
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#ifndef __ASM_ARCH_DAVINCI_DA8XX_H
+#define __ASM_ARCH_DAVINCI_DA8XX_H
+
+#include <mach/serial.h>
+#include <mach/edma.h>
+#include <mach/i2c.h>
+#include <mach/emac.h>
+
+/*
+ * The cp_intc interrupt controller for the da8xx isn't in the same
+ * chunk of physical memory space as the other registers (like it is
+ * on the davincis) so it needs to be mapped separately. It will be
+ * mapped early on when the I/O space is mapped and we'll put it just
+ * before the I/O space in the processor's virtual memory space.
+ */
+#define DA8XX_CP_INTC_BASE 0xfffee000
+#define DA8XX_CP_INTC_SIZE SZ_8K
+#define DA8XX_CP_INTC_VIRT (IO_VIRT - DA8XX_CP_INTC_SIZE - SZ_4K)
+
+#define DA8XX_BOOT_CFG_BASE (IO_PHYS + 0x14000)
+
+void __init da830_init(void);
+
+int da8xx_register_edma(void);
+int da8xx_register_i2c(int instance, struct davinci_i2c_platform_data *pdata);
+int da8xx_register_watchdog(void);
+int da8xx_register_emac(void);
+
+extern struct platform_device da8xx_serial_device;
+extern struct emac_platform_data da8xx_emac_pdata;
+
+extern const short da830_emif25_pins[];
+extern const short da830_spi0_pins[];
+extern const short da830_spi1_pins[];
+extern const short da830_mmc_sd_pins[];
+extern const short da830_uart0_pins[];
+extern const short da830_uart1_pins[];
+extern const short da830_uart2_pins[];
+extern const short da830_usb20_pins[];
+extern const short da830_usb11_pins[];
+extern const short da830_uhpi_pins[];
+extern const short da830_cpgmac_pins[];
+extern const short da830_emif3c_pins[];
+extern const short da830_mcasp0_pins[];
+extern const short da830_mcasp1_pins[];
+extern const short da830_mcasp2_pins[];
+extern const short da830_i2c0_pins[];
+extern const short da830_i2c1_pins[];
+extern const short da830_lcdcntl_pins[];
+extern const short da830_pwm_pins[];
+extern const short da830_ecap0_pins[];
+extern const short da830_ecap1_pins[];
+extern const short da830_ecap2_pins[];
+extern const short da830_eqep0_pins[];
+extern const short da830_eqep1_pins[];
+
+int da830_pinmux_setup(const short pins[]);
+
+#endif /* __ASM_ARCH_DAVINCI_DA8XX_H */
diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h
index ba2ebdd058a0..a85cbedc9b0a 100644
--- a/arch/arm/mach-davinci/include/mach/edma.h
+++ b/arch/arm/mach-davinci/include/mach/edma.h
@@ -139,6 +139,54 @@ struct edmacc_param {
#define DAVINCI_DMA_PWM1 53
#define DAVINCI_DMA_PWM2 54
+/* DA830 specific EDMA3 information */
+#define EDMA_DA830_NUM_DMACH 32
+#define EDMA_DA830_NUM_TCC 32
+#define EDMA_DA830_NUM_PARAMENTRY 128
+#define EDMA_DA830_NUM_EVQUE 2
+#define EDMA_DA830_NUM_TC 2
+#define EDMA_DA830_CHMAP_EXIST 0
+#define EDMA_DA830_NUM_REGIONS 4
+#define DA830_DMACH2EVENT_MAP0 0x000FC03Fu
+#define DA830_DMACH2EVENT_MAP1 0x00000000u
+#define DA830_EDMA_ARM_OWN 0x30FFCCFFu
+
+/* DA830 specific EDMA3 Events Information */
+enum DA830_edma_ch {
+ DA830_DMACH_MCASP0_RX,
+ DA830_DMACH_MCASP0_TX,
+ DA830_DMACH_MCASP1_RX,
+ DA830_DMACH_MCASP1_TX,
+ DA830_DMACH_MCASP2_RX,
+ DA830_DMACH_MCASP2_TX,
+ DA830_DMACH_GPIO_BNK0INT,
+ DA830_DMACH_GPIO_BNK1INT,
+ DA830_DMACH_UART0_RX,
+ DA830_DMACH_UART0_TX,
+ DA830_DMACH_TMR64P0_EVTOUT12,
+ DA830_DMACH_TMR64P0_EVTOUT34,
+ DA830_DMACH_UART1_RX,
+ DA830_DMACH_UART1_TX,
+ DA830_DMACH_SPI0_RX,
+ DA830_DMACH_SPI0_TX,
+ DA830_DMACH_MMCSD_RX,
+ DA830_DMACH_MMCSD_TX,
+ DA830_DMACH_SPI1_RX,
+ DA830_DMACH_SPI1_TX,
+ DA830_DMACH_DMAX_EVTOUT6,
+ DA830_DMACH_DMAX_EVTOUT7,
+ DA830_DMACH_GPIO_BNK2INT,
+ DA830_DMACH_GPIO_BNK3INT,
+ DA830_DMACH_I2C0_RX,
+ DA830_DMACH_I2C0_TX,
+ DA830_DMACH_I2C1_RX,
+ DA830_DMACH_I2C1_TX,
+ DA830_DMACH_GPIO_BNK4INT,
+ DA830_DMACH_GPIO_BNK5INT,
+ DA830_DMACH_UART2_RX,
+ DA830_DMACH_UART2_TX
+};
+
/*ch_status paramater of callback function possible values*/
#define DMA_COMPLETE 1
#define DMA_CC_ERROR 2
diff --git a/arch/arm/mach-davinci/include/mach/irqs.h b/arch/arm/mach-davinci/include/mach/irqs.h
index 0d34f2fb0993..735e378d27ee 100644
--- a/arch/arm/mach-davinci/include/mach/irqs.h
+++ b/arch/arm/mach-davinci/include/mach/irqs.h
@@ -99,9 +99,6 @@
#define IRQ_EMUINT 63
#define DAVINCI_N_AINTC_IRQ 64
-#define DAVINCI_N_GPIO 104
-
-#define NR_IRQS (DAVINCI_N_AINTC_IRQ + DAVINCI_N_GPIO)
#define ARCH_TIMER_IRQ IRQ_TINT1_TINT34
@@ -242,4 +239,110 @@
#define IRQ_DM365_TCERRINT3 62
#define IRQ_DM365_EMUINT 63
+/* DA8XX interrupts */
+#define IRQ_DA8XX_COMMTX 0
+#define IRQ_DA8XX_COMMRX 1
+#define IRQ_DA8XX_NINT 2
+#define IRQ_DA8XX_EVTOUT0 3
+#define IRQ_DA8XX_EVTOUT1 4
+#define IRQ_DA8XX_EVTOUT2 5
+#define IRQ_DA8XX_EVTOUT3 6
+#define IRQ_DA8XX_EVTOUT4 7
+#define IRQ_DA8XX_EVTOUT5 8
+#define IRQ_DA8XX_EVTOUT6 9
+#define IRQ_DA8XX_EVTOUT7 10
+#define IRQ_DA8XX_CCINT0 11
+#define IRQ_DA8XX_CCERRINT 12
+#define IRQ_DA8XX_TCERRINT0 13
+#define IRQ_DA8XX_AEMIFINT 14
+#define IRQ_DA8XX_I2CINT0 15
+#define IRQ_DA8XX_MMCSDINT0 16
+#define IRQ_DA8XX_MMCSDINT1 17
+#define IRQ_DA8XX_ALLINT0 18
+#define IRQ_DA8XX_RTC 19
+#define IRQ_DA8XX_SPINT0 20
+#define IRQ_DA8XX_TINT12_0 21
+#define IRQ_DA8XX_TINT34_0 22
+#define IRQ_DA8XX_TINT12_1 23
+#define IRQ_DA8XX_TINT34_1 24
+#define IRQ_DA8XX_UARTINT0 25
+#define IRQ_DA8XX_KEYMGRINT 26
+#define IRQ_DA8XX_SECINT 26
+#define IRQ_DA8XX_SECKEYERR 26
+#define IRQ_DA8XX_CHIPINT0 28
+#define IRQ_DA8XX_CHIPINT1 29
+#define IRQ_DA8XX_CHIPINT2 30
+#define IRQ_DA8XX_CHIPINT3 31
+#define IRQ_DA8XX_TCERRINT1 32
+#define IRQ_DA8XX_C0_RX_THRESH_PULSE 33
+#define IRQ_DA8XX_C0_RX_PULSE 34
+#define IRQ_DA8XX_C0_TX_PULSE 35
+#define IRQ_DA8XX_C0_MISC_PULSE 36
+#define IRQ_DA8XX_C1_RX_THRESH_PULSE 37
+#define IRQ_DA8XX_C1_RX_PULSE 38
+#define IRQ_DA8XX_C1_TX_PULSE 39
+#define IRQ_DA8XX_C1_MISC_PULSE 40
+#define IRQ_DA8XX_MEMERR 41
+#define IRQ_DA8XX_GPIO0 42
+#define IRQ_DA8XX_GPIO1 43
+#define IRQ_DA8XX_GPIO2 44
+#define IRQ_DA8XX_GPIO3 45
+#define IRQ_DA8XX_GPIO4 46
+#define IRQ_DA8XX_GPIO5 47
+#define IRQ_DA8XX_GPIO6 48
+#define IRQ_DA8XX_GPIO7 49
+#define IRQ_DA8XX_GPIO8 50
+#define IRQ_DA8XX_I2CINT1 51
+#define IRQ_DA8XX_LCDINT 52
+#define IRQ_DA8XX_UARTINT1 53
+#define IRQ_DA8XX_MCASPINT 54
+#define IRQ_DA8XX_ALLINT1 55
+#define IRQ_DA8XX_SPINT1 56
+#define IRQ_DA8XX_UHPI_INT1 57
+#define IRQ_DA8XX_USB_INT 58
+#define IRQ_DA8XX_IRQN 59
+#define IRQ_DA8XX_RWAKEUP 60
+#define IRQ_DA8XX_UARTINT2 61
+#define IRQ_DA8XX_DFTSSINT 62
+#define IRQ_DA8XX_EHRPWM0 63
+#define IRQ_DA8XX_EHRPWM0TZ 64
+#define IRQ_DA8XX_EHRPWM1 65
+#define IRQ_DA8XX_EHRPWM1TZ 66
+#define IRQ_DA8XX_ECAP0 69
+#define IRQ_DA8XX_ECAP1 70
+#define IRQ_DA8XX_ECAP2 71
+#define IRQ_DA8XX_ARMCLKSTOPREQ 90
+
+/* DA830 specific interrupts */
+#define IRQ_DA830_MPUERR 27
+#define IRQ_DA830_IOPUERR 27
+#define IRQ_DA830_BOOTCFGERR 27
+#define IRQ_DA830_EHRPWM2 67
+#define IRQ_DA830_EHRPWM2TZ 68
+#define IRQ_DA830_EQEP0 72
+#define IRQ_DA830_EQEP1 73
+#define IRQ_DA830_T12CMPINT0_0 74
+#define IRQ_DA830_T12CMPINT1_0 75
+#define IRQ_DA830_T12CMPINT2_0 76
+#define IRQ_DA830_T12CMPINT3_0 77
+#define IRQ_DA830_T12CMPINT4_0 78
+#define IRQ_DA830_T12CMPINT5_0 79
+#define IRQ_DA830_T12CMPINT6_0 80
+#define IRQ_DA830_T12CMPINT7_0 81
+#define IRQ_DA830_T12CMPINT0_1 82
+#define IRQ_DA830_T12CMPINT1_1 83
+#define IRQ_DA830_T12CMPINT2_1 84
+#define IRQ_DA830_T12CMPINT3_1 85
+#define IRQ_DA830_T12CMPINT4_1 86
+#define IRQ_DA830_T12CMPINT5_1 87
+#define IRQ_DA830_T12CMPINT6_1 88
+#define IRQ_DA830_T12CMPINT7_1 89
+
+#define DA830_N_CP_INTC_IRQ 96
+
+/* da830 currently has the most gpio pins (128) */
+#define DAVINCI_N_GPIO 128
+/* da830 currently has the most irqs so use DA830_N_CP_INTC_IRQ */
+#define NR_IRQS (DA830_N_CP_INTC_IRQ + DAVINCI_N_GPIO)
+
#endif /* __ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h
index c712c7cdf38f..80309aed534a 100644
--- a/arch/arm/mach-davinci/include/mach/memory.h
+++ b/arch/arm/mach-davinci/include/mach/memory.h
@@ -20,9 +20,16 @@
/**************************************************************************
* Definitions
**************************************************************************/
-#define DAVINCI_DDR_BASE 0x80000000
+#define DAVINCI_DDR_BASE 0x80000000
+#define DA8XX_DDR_BASE 0xc0000000
+#if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx)
+#error Cannot enable DaVinci and DA8XX platforms concurrently
+#elif defined(CONFIG_ARCH_DAVINCI_DA8XX)
+#define PHYS_OFFSET DA8XX_DDR_BASE
+#else
#define PHYS_OFFSET DAVINCI_DDR_BASE
+#endif
/*
* Increase size of DMA-consistent memory region
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 55765e1fdb78..ae4f6dd3623c 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -242,6 +242,410 @@ enum davinci_dm365_index {
DM365_EVT26_MMC0_RX,
};
+enum da830_index {
+ DA830_GPIO7_14,
+ DA830_RTCK,
+ DA830_GPIO7_15,
+ DA830_EMU_0,
+ DA830_EMB_SDCKE,
+ DA830_EMB_CLK_GLUE,
+ DA830_EMB_CLK,
+ DA830_NEMB_CS_0,
+ DA830_NEMB_CAS,
+ DA830_NEMB_RAS,
+ DA830_NEMB_WE,
+ DA830_EMB_BA_1,
+ DA830_EMB_BA_0,
+ DA830_EMB_A_0,
+ DA830_EMB_A_1,
+ DA830_EMB_A_2,
+ DA830_EMB_A_3,
+ DA830_EMB_A_4,
+ DA830_EMB_A_5,
+ DA830_GPIO7_0,
+ DA830_GPIO7_1,
+ DA830_GPIO7_2,
+ DA830_GPIO7_3,
+ DA830_GPIO7_4,
+ DA830_GPIO7_5,
+ DA830_GPIO7_6,
+ DA830_GPIO7_7,
+ DA830_EMB_A_6,
+ DA830_EMB_A_7,
+ DA830_EMB_A_8,
+ DA830_EMB_A_9,
+ DA830_EMB_A_10,
+ DA830_EMB_A_11,
+ DA830_EMB_A_12,
+ DA830_EMB_D_31,
+ DA830_GPIO7_8,
+ DA830_GPIO7_9,
+ DA830_GPIO7_10,
+ DA830_GPIO7_11,
+ DA830_GPIO7_12,
+ DA830_GPIO7_13,
+ DA830_GPIO3_13,
+ DA830_EMB_D_30,
+ DA830_EMB_D_29,
+ DA830_EMB_D_28,
+ DA830_EMB_D_27,
+ DA830_EMB_D_26,
+ DA830_EMB_D_25,
+ DA830_EMB_D_24,
+ DA830_EMB_D_23,
+ DA830_EMB_D_22,
+ DA830_EMB_D_21,
+ DA830_EMB_D_20,
+ DA830_EMB_D_19,
+ DA830_EMB_D_18,
+ DA830_EMB_D_17,
+ DA830_EMB_D_16,
+ DA830_NEMB_WE_DQM_3,
+ DA830_NEMB_WE_DQM_2,
+ DA830_EMB_D_0,
+ DA830_EMB_D_1,
+ DA830_EMB_D_2,
+ DA830_EMB_D_3,
+ DA830_EMB_D_4,
+ DA830_EMB_D_5,
+ DA830_EMB_D_6,
+ DA830_GPIO6_0,
+ DA830_GPIO6_1,
+ DA830_GPIO6_2,
+ DA830_GPIO6_3,
+ DA830_GPIO6_4,
+ DA830_GPIO6_5,
+ DA830_GPIO6_6,
+ DA830_EMB_D_7,
+ DA830_EMB_D_8,
+ DA830_EMB_D_9,
+ DA830_EMB_D_10,
+ DA830_EMB_D_11,
+ DA830_EMB_D_12,
+ DA830_EMB_D_13,
+ DA830_EMB_D_14,
+ DA830_GPIO6_7,
+ DA830_GPIO6_8,
+ DA830_GPIO6_9,
+ DA830_GPIO6_10,
+ DA830_GPIO6_11,
+ DA830_GPIO6_12,
+ DA830_GPIO6_13,
+ DA830_GPIO6_14,
+ DA830_EMB_D_15,
+ DA830_NEMB_WE_DQM_1,
+ DA830_NEMB_WE_DQM_0,
+ DA830_SPI0_SOMI_0,
+ DA830_SPI0_SIMO_0,
+ DA830_SPI0_CLK,
+ DA830_NSPI0_ENA,
+ DA830_NSPI0_SCS_0,
+ DA830_EQEP0I,
+ DA830_EQEP0S,
+ DA830_EQEP1I,
+ DA830_NUART0_CTS,
+ DA830_NUART0_RTS,
+ DA830_EQEP0A,
+ DA830_EQEP0B,
+ DA830_GPIO6_15,
+ DA830_GPIO5_14,
+ DA830_GPIO5_15,
+ DA830_GPIO5_0,
+ DA830_GPIO5_1,
+ DA830_GPIO5_2,
+ DA830_GPIO5_3,
+ DA830_GPIO5_4,
+ DA830_SPI1_SOMI_0,
+ DA830_SPI1_SIMO_0,
+ DA830_SPI1_CLK,
+ DA830_UART0_RXD,
+ DA830_UART0_TXD,
+ DA830_AXR1_10,
+ DA830_AXR1_11,
+ DA830_NSPI1_ENA,
+ DA830_I2C1_SCL,
+ DA830_I2C1_SDA,
+ DA830_EQEP1S,
+ DA830_I2C0_SDA,
+ DA830_I2C0_SCL,
+ DA830_UART2_RXD,
+ DA830_TM64P0_IN12,
+ DA830_TM64P0_OUT12,
+ DA830_GPIO5_5,
+ DA830_GPIO5_6,
+ DA830_GPIO5_7,
+ DA830_GPIO5_8,
+ DA830_GPIO5_9,
+ DA830_GPIO5_10,
+ DA830_GPIO5_11,
+ DA830_GPIO5_12,
+ DA830_NSPI1_SCS_0,
+ DA830_USB0_DRVVBUS,
+ DA830_AHCLKX0,
+ DA830_ACLKX0,
+ DA830_AFSX0,
+ DA830_AHCLKR0,
+ DA830_ACLKR0,
+ DA830_AFSR0,
+ DA830_UART2_TXD,
+ DA830_AHCLKX2,
+ DA830_ECAP0_APWM0,
+ DA830_RMII_MHZ_50_CLK,
+ DA830_ECAP1_APWM1,
+ DA830_USB_REFCLKIN,
+ DA830_GPIO5_13,
+ DA830_GPIO4_15,
+ DA830_GPIO2_11,
+ DA830_GPIO2_12,
+ DA830_GPIO2_13,
+ DA830_GPIO2_14,
+ DA830_GPIO2_15,
+ DA830_GPIO3_12,
+ DA830_AMUTE0,
+ DA830_AXR0_0,
+ DA830_AXR0_1,
+ DA830_AXR0_2,
+ DA830_AXR0_3,
+ DA830_AXR0_4,
+ DA830_AXR0_5,
+ DA830_AXR0_6,
+ DA830_RMII_TXD_0,
+ DA830_RMII_TXD_1,
+ DA830_RMII_TXEN,
+ DA830_RMII_CRS_DV,
+ DA830_RMII_RXD_0,
+ DA830_RMII_RXD_1,
+ DA830_RMII_RXER,
+ DA830_AFSR2,
+ DA830_ACLKX2,
+ DA830_AXR2_3,
+ DA830_AXR2_2,
+ DA830_AXR2_1,
+ DA830_AFSX2,
+ DA830_ACLKR2,
+ DA830_NRESETOUT,
+ DA830_GPIO3_0,
+ DA830_GPIO3_1,
+ DA830_GPIO3_2,
+ DA830_GPIO3_3,
+ DA830_GPIO3_4,
+ DA830_GPIO3_5,
+ DA830_GPIO3_6,
+ DA830_AXR0_7,
+ DA830_AXR0_8,
+ DA830_UART1_RXD,
+ DA830_UART1_TXD,
+ DA830_AXR0_11,
+ DA830_AHCLKX1,
+ DA830_ACLKX1,
+ DA830_AFSX1,
+ DA830_MDIO_CLK,
+ DA830_MDIO_D,
+ DA830_AXR0_9,
+ DA830_AXR0_10,
+ DA830_EPWM0B,
+ DA830_EPWM0A,
+ DA830_EPWMSYNCI,
+ DA830_AXR2_0,
+ DA830_EPWMSYNC0,
+ DA830_GPIO3_7,
+ DA830_GPIO3_8,
+ DA830_GPIO3_9,
+ DA830_GPIO3_10,
+ DA830_GPIO3_11,
+ DA830_GPIO3_14,
+ DA830_GPIO3_15,
+ DA830_GPIO4_10,
+ DA830_AHCLKR1,
+ DA830_ACLKR1,
+ DA830_AFSR1,
+ DA830_AMUTE1,
+ DA830_AXR1_0,
+ DA830_AXR1_1,
+ DA830_AXR1_2,
+ DA830_AXR1_3,
+ DA830_ECAP2_APWM2,
+ DA830_EHRPWMGLUETZ,
+ DA830_EQEP1A,
+ DA830_GPIO4_11,
+ DA830_GPIO4_12,
+ DA830_GPIO4_13,
+ DA830_GPIO4_14,
+ DA830_GPIO4_0,
+ DA830_GPIO4_1,
+ DA830_GPIO4_2,
+ DA830_GPIO4_3,
+ DA830_AXR1_4,
+ DA830_AXR1_5,
+ DA830_AXR1_6,
+ DA830_AXR1_7,
+ DA830_AXR1_8,
+ DA830_AXR1_9,
+ DA830_EMA_D_0,
+ DA830_EMA_D_1,
+ DA830_EQEP1B,
+ DA830_EPWM2B,
+ DA830_EPWM2A,
+ DA830_EPWM1B,
+ DA830_EPWM1A,
+ DA830_MMCSD_DAT_0,
+ DA830_MMCSD_DAT_1,
+ DA830_UHPI_HD_0,
+ DA830_UHPI_HD_1,
+ DA830_GPIO4_4,
+ DA830_GPIO4_5,
+ DA830_GPIO4_6,
+ DA830_GPIO4_7,
+ DA830_GPIO4_8,
+ DA830_GPIO4_9,
+ DA830_GPIO0_0,
+ DA830_GPIO0_1,
+ DA830_EMA_D_2,
+ DA830_EMA_D_3,
+ DA830_EMA_D_4,
+ DA830_EMA_D_5,
+ DA830_EMA_D_6,
+ DA830_EMA_D_7,
+ DA830_EMA_D_8,
+ DA830_EMA_D_9,
+ DA830_MMCSD_DAT_2,
+ DA830_MMCSD_DAT_3,
+ DA830_MMCSD_DAT_4,
+ DA830_MMCSD_DAT_5,
+ DA830_MMCSD_DAT_6,
+ DA830_MMCSD_DAT_7,
+ DA830_UHPI_HD_8,
+ DA830_UHPI_HD_9,
+ DA830_UHPI_HD_2,
+ DA830_UHPI_HD_3,
+ DA830_UHPI_HD_4,
+ DA830_UHPI_HD_5,
+ DA830_UHPI_HD_6,
+ DA830_UHPI_HD_7,
+ DA830_LCD_D_8,
+ DA830_LCD_D_9,
+ DA830_GPIO0_2,
+ DA830_GPIO0_3,
+ DA830_GPIO0_4,
+ DA830_GPIO0_5,
+ DA830_GPIO0_6,
+ DA830_GPIO0_7,
+ DA830_GPIO0_8,
+ DA830_GPIO0_9,
+ DA830_EMA_D_10,
+ DA830_EMA_D_11,
+ DA830_EMA_D_12,
+ DA830_EMA_D_13,
+ DA830_EMA_D_14,
+ DA830_EMA_D_15,
+ DA830_EMA_A_0,
+ DA830_EMA_A_1,
+ DA830_UHPI_HD_10,
+ DA830_UHPI_HD_11,
+ DA830_UHPI_HD_12,
+ DA830_UHPI_HD_13,
+ DA830_UHPI_HD_14,
+ DA830_UHPI_HD_15,
+ DA830_LCD_D_7,
+ DA830_MMCSD_CLK,
+ DA830_LCD_D_10,
+ DA830_LCD_D_11,
+ DA830_LCD_D_12,
+ DA830_LCD_D_13,
+ DA830_LCD_D_14,
+ DA830_LCD_D_15,
+ DA830_UHPI_HCNTL0,
+ DA830_GPIO0_10,
+ DA830_GPIO0_11,
+ DA830_GPIO0_12,
+ DA830_GPIO0_13,
+ DA830_GPIO0_14,
+ DA830_GPIO0_15,
+ DA830_GPIO1_0,
+ DA830_GPIO1_1,
+ DA830_EMA_A_2,
+ DA830_EMA_A_3,
+ DA830_EMA_A_4,
+ DA830_EMA_A_5,
+ DA830_EMA_A_6,
+ DA830_EMA_A_7,
+ DA830_EMA_A_8,
+ DA830_EMA_A_9,
+ DA830_MMCSD_CMD,
+ DA830_LCD_D_6,
+ DA830_LCD_D_3,
+ DA830_LCD_D_2,
+ DA830_LCD_D_1,
+ DA830_LCD_D_0,
+ DA830_LCD_PCLK,
+ DA830_LCD_HSYNC,
+ DA830_UHPI_HCNTL1,
+ DA830_GPIO1_2,
+ DA830_GPIO1_3,
+ DA830_GPIO1_4,
+ DA830_GPIO1_5,
+ DA830_GPIO1_6,
+ DA830_GPIO1_7,
+ DA830_GPIO1_8,
+ DA830_GPIO1_9,
+ DA830_EMA_A_10,
+ DA830_EMA_A_11,
+ DA830_EMA_A_12,
+ DA830_EMA_BA_1,
+ DA830_EMA_BA_0,
+ DA830_EMA_CLK,
+ DA830_EMA_SDCKE,
+ DA830_NEMA_CAS,
+ DA830_LCD_VSYNC,
+ DA830_NLCD_AC_ENB_CS,
+ DA830_LCD_MCLK,
+ DA830_LCD_D_5,
+ DA830_LCD_D_4,
+ DA830_OBSCLK,
+ DA830_NEMA_CS_4,
+ DA830_UHPI_HHWIL,
+ DA830_AHCLKR2,
+ DA830_GPIO1_10,
+ DA830_GPIO1_11,
+ DA830_GPIO1_12,
+ DA830_GPIO1_13,
+ DA830_GPIO1_14,
+ DA830_GPIO1_15,
+ DA830_GPIO2_0,
+ DA830_GPIO2_1,
+ DA830_NEMA_RAS,
+ DA830_NEMA_WE,
+ DA830_NEMA_CS_0,
+ DA830_NEMA_CS_2,
+ DA830_NEMA_CS_3,
+ DA830_NEMA_OE,
+ DA830_NEMA_WE_DQM_1,
+ DA830_NEMA_WE_DQM_0,
+ DA830_NEMA_CS_5,
+ DA830_UHPI_HRNW,
+ DA830_NUHPI_HAS,
+ DA830_NUHPI_HCS,
+ DA830_NUHPI_HDS1,
+ DA830_NUHPI_HDS2,
+ DA830_NUHPI_HINT,
+ DA830_AXR0_12,
+ DA830_AMUTE2,
+ DA830_AXR0_13,
+ DA830_AXR0_14,
+ DA830_AXR0_15,
+ DA830_GPIO2_2,
+ DA830_GPIO2_3,
+ DA830_GPIO2_4,
+ DA830_GPIO2_5,
+ DA830_GPIO2_6,
+ DA830_GPIO2_7,
+ DA830_GPIO2_8,
+ DA830_GPIO2_9,
+ DA830_EMA_WAIT_0,
+ DA830_NUHPI_HRDY,
+ DA830_GPIO2_10,
+};
+
#ifdef CONFIG_DAVINCI_MUX
/* setup pin muxing */
extern int davinci_cfg_reg(unsigned long reg_cfg);
diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index 2bb414b14297..6b9621d88284 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -136,6 +136,47 @@
#define DM646X_LPSC_TIMER1 35
#define DM646X_LPSC_ARM_INTC 45
+/* PSC0 defines */
+#define DA8XX_LPSC0_TPCC 0
+#define DA8XX_LPSC0_TPTC0 1
+#define DA8XX_LPSC0_TPTC1 2
+#define DA8XX_LPSC0_EMIF25 3
+#define DA8XX_LPSC0_SPI0 4
+#define DA8XX_LPSC0_MMC_SD 5
+#define DA8XX_LPSC0_AINTC 6
+#define DA8XX_LPSC0_ARM_RAM_ROM 7
+#define DA8XX_LPSC0_SECU_MGR 8
+#define DA8XX_LPSC0_UART0 9
+#define DA8XX_LPSC0_SCR0_SS 10
+#define DA8XX_LPSC0_SCR1_SS 11
+#define DA8XX_LPSC0_SCR2_SS 12
+#define DA8XX_LPSC0_DMAX 13
+#define DA8XX_LPSC0_ARM 14
+#define DA8XX_LPSC0_GEM 15
+
+/* PSC1 defines */
+#define DA8XX_LPSC1_USB20 1
+#define DA8XX_LPSC1_USB11 2
+#define DA8XX_LPSC1_GPIO 3
+#define DA8XX_LPSC1_UHPI 4
+#define DA8XX_LPSC1_CPGMAC 5
+#define DA8XX_LPSC1_EMIF3C 6
+#define DA8XX_LPSC1_McASP0 7
+#define DA830_LPSC1_McASP1 8
+#define DA830_LPSC1_McASP2 9
+#define DA8XX_LPSC1_SPI1 10
+#define DA8XX_LPSC1_I2C 11
+#define DA8XX_LPSC1_UART1 12
+#define DA8XX_LPSC1_UART2 13
+#define DA8XX_LPSC1_LCDC 16
+#define DA8XX_LPSC1_PWM 17
+#define DA8XX_LPSC1_ECAP 20
+#define DA830_LPSC1_EQEP 21
+#define DA8XX_LPSC1_SCR_P0_SS 24
+#define DA8XX_LPSC1_SCR_P1_SS 25
+#define DA8XX_LPSC1_CR_P3_SS 26
+#define DA8XX_LPSC1_L3_CBA_RAM 31
+
extern int davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id);
extern void davinci_psc_config(unsigned int domain, unsigned int ctlr,
unsigned int id, char enable);
diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h
index 794fa5cf93c1..57e68e610ee9 100644
--- a/arch/arm/mach-davinci/include/mach/serial.h
+++ b/arch/arm/mach-davinci/include/mach/serial.h
@@ -18,6 +18,10 @@
#define DAVINCI_UART1_BASE (IO_PHYS + 0x20400)
#define DAVINCI_UART2_BASE (IO_PHYS + 0x20800)
+#define DA8XX_UART0_BASE (IO_PHYS + 0x042000)
+#define DA8XX_UART1_BASE (IO_PHYS + 0x10c000)
+#define DA8XX_UART2_BASE (IO_PHYS + 0x10d000)
+
/* DaVinci UART register offsets */
#define UART_DAVINCI_PWREMU 0x0c
#define UART_DM646X_SCR 0x10
--
GitLab
From 8593790d604c29a717d5914159ce78c7bb9899fb Mon Sep 17 00:00:00 2001
From: "Mark A. Greer" <mgreer@mvista.com>
Date: Wed, 3 Jun 2009 18:41:53 -0700
Subject: [PATCH 311/742] davinci: da8xx: Add support for DA830/OMAP-L137 EVM
board
Add support for the DA830/OMAP-L137 Evaluation Module (EVM)
from TI. The EVM has User Interface (UI) and Audio cards
that can be connected which contain various devices.
Support for those devices and ones on the EVM will be
added in subsequent patches.
Additional generalizations for future SoCs in da8xx family done by
Sudhakar Rajashekhara and Sekhar Nori.
Signed-off-by: Steve Chen <schen@mvista.com>
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/configs/da830_omapl137_defconfig | 1254 +++++++++++++++++
arch/arm/mach-davinci/Kconfig | 6 +
arch/arm/mach-davinci/Makefile | 1 +
arch/arm/mach-davinci/board-da830-evm.c | 127 ++
.../mach-davinci/include/mach/debug-macro.S | 7 +
.../mach-davinci/include/mach/uncompress.h | 6 +-
6 files changed, 1399 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/configs/da830_omapl137_defconfig
create mode 100644 arch/arm/mach-davinci/board-da830-evm.c
diff --git a/arch/arm/configs/da830_omapl137_defconfig b/arch/arm/configs/da830_omapl137_defconfig
new file mode 100644
index 000000000000..7c8e38f5c5ab
--- /dev/null
+++ b/arch/arm/configs/da830_omapl137_defconfig
@@ -0,0 +1,1254 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.30-rc2-davinci1
+# Wed May 13 15:33:29 2009
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ZONE_DMA=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_POSIX_MQUEUE_SYSCTL=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+# CONFIG_STRIP_ASM_SYMS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+CONFIG_COMPAT_BRK=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+CONFIG_ARCH_DAVINCI=y
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_W90X900 is not set
+CONFIG_CP_INTC=y
+
+#
+# TI DaVinci Implementations
+#
+
+#
+# DaVinci Core Type
+#
+# CONFIG_ARCH_DAVINCI_DM644x is not set
+# CONFIG_ARCH_DAVINCI_DM646x is not set
+# CONFIG_ARCH_DAVINCI_DM355 is not set
+CONFIG_ARCH_DAVINCI_DA830=y
+
+#
+# DaVinci Board Type
+#
+CONFIG_MACH_DAVINCI_DA830_EVM=y
+CONFIG_DAVINCI_MUX=y
+# CONFIG_DAVINCI_MUX_DEBUG is not set
+# CONFIG_DAVINCI_MUX_WARNINGS is not set
+CONFIG_DAVINCI_RESET_CLOCKS=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_ARM926T=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5TJ=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_V4WB=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+CONFIG_CPU_DCACHE_WRITETHROUGH=y
+# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
+# CONFIG_OUTER_CACHE is not set
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+CONFIG_ARCH_FLATMEM_HAS_HOLES=y
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_UNEVICTABLE_LRU=y
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_LEDS=y
+# CONFIG_LEDS_CPU is not set
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE=""
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+CONFIG_INET_TUNNEL=m
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+CONFIG_IPV6=m
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+# CONFIG_INET6_AH is not set
+# CONFIG_INET6_ESP is not set
+# CONFIG_INET6_IPCOMP is not set
+# CONFIG_IPV6_MIP6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_NDISC_NODETYPE=y
+# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
+# CONFIG_NETWORK_SECMARK is not set
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+CONFIG_NETFILTER_ADVANCED=y
+
+#
+# Core Netfilter Configuration
+#
+# CONFIG_NETFILTER_NETLINK_QUEUE is not set
+# CONFIG_NETFILTER_NETLINK_LOG is not set
+# CONFIG_NF_CONNTRACK is not set
+# CONFIG_NETFILTER_XTABLES is not set
+# CONFIG_IP_VS is not set
+
+#
+# IP: Netfilter Configuration
+#
+# CONFIG_NF_DEFRAG_IPV4 is not set
+# CONFIG_IP_NF_QUEUE is not set
+# CONFIG_IP_NF_IPTABLES is not set
+# CONFIG_IP_NF_ARPTABLES is not set
+
+#
+# IPv6: Netfilter Configuration
+#
+# CONFIG_IP6_NF_QUEUE is not set
+# CONFIG_IP6_NF_IPTABLES is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=m
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=1
+CONFIG_BLK_DEV_RAM_SIZE=32768
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_ICS932S401 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+CONFIG_EEPROM_AT24=y
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=m
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=m
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+CONFIG_COMPAT_NET_DEV_OPS=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+CONFIG_TUN=m
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+CONFIG_LXT_PHY=y
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+CONFIG_LSI_ET1011C_PHY=y
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+CONFIG_TI_DAVINCI_EMAC=y
+# CONFIG_DM9000 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+CONFIG_NETCONSOLE=y
+# CONFIG_NETCONSOLE_DYNAMIC is not set
+CONFIG_NETPOLL=y
+CONFIG_NETPOLL_TRAP=y
+CONFIG_NET_POLL_CONTROLLER=y
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=m
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=m
+CONFIG_INPUT_EVBUG=m
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=m
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+CONFIG_KEYBOARD_XTKBD=m
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_AD7879_I2C is not set
+# CONFIG_TOUCHSCREEN_AD7879 is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_TSC2007 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=y
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+# CONFIG_VT_CONSOLE is not set
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=3
+CONFIG_SERIAL_8250_RUNTIME_UARTS=3
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=m
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+CONFIG_I2C_DAVINCI=y
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_SPI is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+CONFIG_GPIO_PCF857X=m
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_DAVINCI_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_SOUND=m
+# CONFIG_SOUND_OSS_CORE is not set
+CONFIG_SND=m
+CONFIG_SND_TIMER=m
+CONFIG_SND_PCM=m
+CONFIG_SND_JACK=y
+# CONFIG_SND_SEQUENCER is not set
+# CONFIG_SND_MIXER_OSS is not set
+# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SND_HRTIMER is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+CONFIG_SND_DRIVERS=y
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+CONFIG_SND_ARM=y
+CONFIG_SND_SOC=m
+CONFIG_SND_DAVINCI_SOC=m
+CONFIG_SND_SOC_I2C_AND_SPI=m
+# CONFIG_SND_SOC_ALL_CODECS is not set
+# CONFIG_SOUND_PRIME is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_USB_MUSB_HOST is not set
+# CONFIG_USB_MUSB_PERIPHERAL is not set
+# CONFIG_USB_MUSB_OTG is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_IMX is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+# CONFIG_USB_ZERO is not set
+# CONFIG_USB_ETH is not set
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_NEW_LEDS is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT4_FS is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_XFS_FS=m
+# CONFIG_XFS_QUOTA is not set
+# CONFIG_XFS_POSIX_ACL is not set
+# CONFIG_XFS_RT is not set
+# CONFIG_XFS_DEBUG is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+CONFIG_AUTOFS4_FS=m
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+CONFIG_MINIX_FS=m
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+CONFIG_ROOT_NFS=y
+CONFIG_NFSD=m
+CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
+# CONFIG_NFSD_V4 is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=m
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+# CONFIG_SYSV68_PARTITION is not set
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=m
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=m
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+CONFIG_TIMER_STATS=y
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+CONFIG_DEBUG_PREEMPT=y
+CONFIG_DEBUG_RT_MUTEXES=y
+CONFIG_DEBUG_PI_LIST=y
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+
+#
+# Tracers
+#
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_EVENT_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_TRACE_BRANCH_PROFILING is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_LL is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_MANAGER2 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+# CONFIG_CRYPTO_HW is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=m
+# CONFIG_CRC16 is not set
+CONFIG_CRC_T10DIF=m
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 312228ed8489..646c569b75e7 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -89,6 +89,12 @@ config MACH_DAVINCI_DM365_EVM
Configure this option to specify whether the board used
for development is a DM365 EVM
+config MACH_DAVINCI_DA830_EVM
+ bool "TI DA830/OMAP-L137 Reference Platform"
+ default ARCH_DAVINCI_DA830
+ depends on ARCH_DAVINCI_DA830
+ help
+ Say Y here to select the TI DA830/OMAP-L137 Evaluation Module.
config DAVINCI_MUX
bool "DAVINCI multiplexing support"
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 385638c0a711..d183b11da460 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -26,3 +26,4 @@ obj-$(CONFIG_MACH_DAVINCI_DM355_EVM) += board-dm355-evm.o
obj-$(CONFIG_MACH_DM355_LEOPARD) += board-dm355-leopard.o
obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM) += board-dm646x-evm.o
obj-$(CONFIG_MACH_DAVINCI_DM365_EVM) += board-dm365-evm.o
+obj-$(CONFIG_MACH_DAVINCI_DA830_EVM) += board-da830-evm.o
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
new file mode 100644
index 000000000000..0409eb67cfe1
--- /dev/null
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -0,0 +1,127 @@
+/*
+ * TI DA830/OMAP L137 EVM board
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
+ *
+ * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/common.h>
+#include <mach/irqs.h>
+#include <mach/cp_intc.h>
+#include <mach/da8xx.h>
+
+#define DA830_EVM_PHY_MASK 0x0
+#define DA830_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
+
+static struct at24_platform_data da830_evm_i2c_eeprom_info = {
+ .byte_len = SZ_256K / 8,
+ .page_size = 64,
+ .flags = AT24_FLAG_ADDR16,
+ .setup = davinci_get_mac_addr,
+ .context = (void *)0x7f00,
+};
+
+static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("24c256", 0x50),
+ .platform_data = &da830_evm_i2c_eeprom_info,
+ },
+};
+
+static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
+ .bus_freq = 100, /* kHz */
+ .bus_delay = 0, /* usec */
+};
+
+static struct davinci_uart_config da830_evm_uart_config __initdata = {
+ .enabled_uarts = 0x7,
+};
+
+static __init void da830_evm_init(void)
+{
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+ int ret;
+
+ ret = da8xx_register_edma();
+ if (ret)
+ pr_warning("da830_evm_init: edma registration failed: %d\n",
+ ret);
+
+ ret = da830_pinmux_setup(da830_i2c0_pins);
+ if (ret)
+ pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
+ ret);
+
+ ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
+ if (ret)
+ pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
+ ret);
+
+ soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK;
+ soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
+ soc_info->emac_pdata->rmii_en = 1;
+
+ ret = da830_pinmux_setup(da830_cpgmac_pins);
+ if (ret)
+ pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
+ ret);
+
+ ret = da8xx_register_emac();
+ if (ret)
+ pr_warning("da830_evm_init: emac registration failed: %d\n",
+ ret);
+
+ ret = da8xx_register_watchdog();
+ if (ret)
+ pr_warning("da830_evm_init: watchdog registration failed: %d\n",
+ ret);
+
+ davinci_serial_init(&da830_evm_uart_config);
+ i2c_register_board_info(1, da830_evm_i2c_devices,
+ ARRAY_SIZE(da830_evm_i2c_devices));
+}
+
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+static int __init da830_evm_console_init(void)
+{
+ return add_preferred_console("ttyS", 2, "115200");
+}
+console_initcall(da830_evm_console_init);
+#endif
+
+static __init void da830_evm_irq_init(void)
+{
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+ cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA830_N_CP_INTC_IRQ,
+ soc_info->intc_irq_prios);
+}
+
+static void __init da830_evm_map_io(void)
+{
+ da830_init();
+}
+
+MACHINE_START(DAVINCI_DA8XX_EVM, "DaVinci DA830/OMAP L137 EVM")
+ .phys_io = IO_PHYS,
+ .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
+ .boot_params = (DA8XX_DDR_BASE + 0x100),
+ .map_io = da830_evm_map_io,
+ .init_irq = da830_evm_irq_init,
+ .timer = &davinci_timer,
+ .init_machine = da830_evm_init,
+MACHINE_END
diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S
index de3fc2182b47..69837a67d5f5 100644
--- a/arch/arm/mach-davinci/include/mach/debug-macro.S
+++ b/arch/arm/mach-davinci/include/mach/debug-macro.S
@@ -24,7 +24,14 @@
tst \rx, #1 @ MMU enabled?
moveq \rx, #0x01000000 @ physical base address
movne \rx, #0xfe000000 @ virtual base
+#if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx)
+#error Cannot enable DaVinci and DA8XX platforms concurrently
+#elif defined(CONFIG_MACH_DAVINCI_DA8XX_EVM)
+ orr \rx, \rx, #0x00d00000 @ physical base address
+ orr \rx, \rx, #0x0000d000 @ of UART 2
+#else
orr \rx, \rx, #0x00c20000 @ UART 0
+#endif
.endm
.macro senduart,rd,rx
diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
index 1e27475f9a23..0f1f12b67875 100644
--- a/arch/arm/mach-davinci/include/mach/uncompress.h
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -21,8 +21,10 @@ static u32 *uart;
static u32 *get_uart_base(void)
{
- /* Add logic here for new platforms, using __macine_arch_type */
- return (u32 *)DAVINCI_UART0_BASE;
+ if (__machine_arch_type == MACH_TYPE_DAVINCI_DA8XX_EVM)
+ return (u32 *)DA8XX_UART2_BASE;
+ else
+ return (u32 *)DAVINCI_UART0_BASE;
}
/* PORT_16C550A, in polled non-fifo mode */
--
GitLab
From af5dbaef76cb01995639cef10ca6f5a2b08207e8 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Wed, 24 Jun 2009 12:22:28 -0400
Subject: [PATCH 312/742] davinci: DM365 Updating PINMUX Entries
Patch updates DM365 PINMUX by adding entries for Video, SPI 1 - 4,
PWM 0 - 3.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm365.c | 51 +++++++++++++++++++++
arch/arm/mach-davinci/include/mach/mux.h | 58 ++++++++++++++++++++++++
2 files changed, 109 insertions(+)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index c52aad300844..e5873bc0a0fa 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -533,6 +533,57 @@ MUX_CFG(DM365, EMAC_MDCLK, 3, 0, 1, 1, false)
MUX_CFG(DM365, KEYPAD, 2, 0, 0x3f, 0x3f, false)
+MUX_CFG(DM365, PWM0, 1, 0, 3, 2, false)
+MUX_CFG(DM365, PWM0_G23, 3, 26, 3, 3, false)
+MUX_CFG(DM365, PWM1, 1, 2, 3, 2, false)
+MUX_CFG(DM365, PWM1_G25, 3, 29, 3, 2, false)
+MUX_CFG(DM365, PWM2_G87, 1, 10, 3, 2, false)
+MUX_CFG(DM365, PWM2_G88, 1, 8, 3, 2, false)
+MUX_CFG(DM365, PWM2_G89, 1, 6, 3, 2, false)
+MUX_CFG(DM365, PWM2_G90, 1, 4, 3, 2, false)
+MUX_CFG(DM365, PWM3_G80, 1, 20, 3, 3, false)
+MUX_CFG(DM365, PWM3_G81, 1, 18, 3, 3, false)
+MUX_CFG(DM365, PWM3_G85, 1, 14, 3, 2, false)
+MUX_CFG(DM365, PWM3_G86, 1, 12, 3, 2, false)
+
+MUX_CFG(DM365, SPI1_SCLK, 4, 2, 3, 1, false)
+MUX_CFG(DM365, SPI1_SDI, 3, 31, 1, 1, false)
+MUX_CFG(DM365, SPI1_SDO, 4, 0, 3, 1, false)
+MUX_CFG(DM365, SPI1_SDENA0, 4, 4, 3, 1, false)
+MUX_CFG(DM365, SPI1_SDENA1, 4, 0, 3, 2, false)
+
+MUX_CFG(DM365, SPI2_SCLK, 4, 10, 3, 1, false)
+MUX_CFG(DM365, SPI2_SDI, 4, 6, 3, 1, false)
+MUX_CFG(DM365, SPI2_SDO, 4, 8, 3, 1, false)
+MUX_CFG(DM365, SPI2_SDENA0, 4, 12, 3, 1, false)
+MUX_CFG(DM365, SPI2_SDENA1, 4, 8, 3, 2, false)
+
+MUX_CFG(DM365, SPI3_SCLK, 0, 0, 3, 2, false)
+MUX_CFG(DM365, SPI3_SDI, 0, 2, 3, 2, false)
+MUX_CFG(DM365, SPI3_SDO, 0, 6, 3, 2, false)
+MUX_CFG(DM365, SPI3_SDENA0, 0, 4, 3, 2, false)
+MUX_CFG(DM365, SPI3_SDENA1, 0, 6, 3, 3, false)
+
+MUX_CFG(DM365, SPI4_SCLK, 4, 18, 3, 1, false)
+MUX_CFG(DM365, SPI4_SDI, 4, 14, 3, 1, false)
+MUX_CFG(DM365, SPI4_SDO, 4, 16, 3, 1, false)
+MUX_CFG(DM365, SPI4_SDENA0, 4, 20, 3, 1, false)
+MUX_CFG(DM365, SPI4_SDENA1, 4, 16, 3, 2, false)
+
+MUX_CFG(DM365, GPIO20, 3, 21, 3, 0, false)
+MUX_CFG(DM365, GPIO33, 4, 12, 3, 0, false)
+MUX_CFG(DM365, GPIO40, 4, 26, 3, 0, false)
+
+MUX_CFG(DM365, VOUT_FIELD, 1, 18, 3, 1, false)
+MUX_CFG(DM365, VOUT_FIELD_G81, 1, 18, 3, 0, false)
+MUX_CFG(DM365, VOUT_HVSYNC, 1, 16, 1, 0, false)
+MUX_CFG(DM365, VOUT_COUTL_EN, 1, 0, 0xff, 0x55, false)
+MUX_CFG(DM365, VOUT_COUTH_EN, 1, 8, 0xff, 0x55, false)
+MUX_CFG(DM365, VIN_CAM_WEN, 0, 14, 3, 0, false)
+MUX_CFG(DM365, VIN_CAM_VD, 0, 13, 1, 0, false)
+MUX_CFG(DM365, VIN_CAM_HD, 0, 12, 1, 0, false)
+MUX_CFG(DM365, VIN_YIN_EN, 0, 0, 0xfff, 0, false)
+
INT_CFG(DM365, INT_EDMA_CC, 2, 1, 1, false)
INT_CFG(DM365, INT_EDMA_TC0_ERR, 3, 1, 1, false)
INT_CFG(DM365, INT_EDMA_TC1_ERR, 4, 1, 1, false)
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index ae4f6dd3623c..cce7509ea302 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -224,6 +224,64 @@ enum davinci_dm365_index {
/* Keypad */
DM365_KEYPAD,
+ /* PWM */
+ DM365_PWM0,
+ DM365_PWM0_G23,
+ DM365_PWM1,
+ DM365_PWM1_G25,
+ DM365_PWM2_G87,
+ DM365_PWM2_G88,
+ DM365_PWM2_G89,
+ DM365_PWM2_G90,
+ DM365_PWM3_G80,
+ DM365_PWM3_G81,
+ DM365_PWM3_G85,
+ DM365_PWM3_G86,
+
+ /* SPI1 */
+ DM365_SPI1_SCLK,
+ DM365_SPI1_SDO,
+ DM365_SPI1_SDI,
+ DM365_SPI1_SDENA0,
+ DM365_SPI1_SDENA1,
+
+ /* SPI2 */
+ DM365_SPI2_SCLK,
+ DM365_SPI2_SDO,
+ DM365_SPI2_SDI,
+ DM365_SPI2_SDENA0,
+ DM365_SPI2_SDENA1,
+
+ /* SPI3 */
+ DM365_SPI3_SCLK,
+ DM365_SPI3_SDO,
+ DM365_SPI3_SDI,
+ DM365_SPI3_SDENA0,
+ DM365_SPI3_SDENA1,
+
+ /* SPI4 */
+ DM365_SPI4_SCLK,
+ DM365_SPI4_SDO,
+ DM365_SPI4_SDI,
+ DM365_SPI4_SDENA0,
+ DM365_SPI4_SDENA1,
+
+ /* GPIO */
+ DM365_GPIO20,
+ DM365_GPIO33,
+ DM365_GPIO40,
+
+ /* Video */
+ DM365_VOUT_FIELD,
+ DM365_VOUT_FIELD_G81,
+ DM365_VOUT_HVSYNC,
+ DM365_VOUT_COUTL_EN,
+ DM365_VOUT_COUTH_EN,
+ DM365_VIN_CAM_WEN,
+ DM365_VIN_CAM_VD,
+ DM365_VIN_CAM_HD,
+ DM365_VIN_YIN_EN,
+
/* IRQ muxing */
DM365_INT_EDMA_CC,
DM365_INT_EDMA_TC0_ERR,
--
GitLab
From 7a36071e7954836ba437987e5ca4ced174462b28 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Thu, 25 Jun 2009 17:01:31 -0700
Subject: [PATCH 313/742] davinci: dm365 gpio irq support
Support DM365 GPIOs ... primarily by handling non-banked GPIO IRQs:
- Flag DM365 chips as using non-banked GPIO interrupts, using a
new soc_info field.
- Replace the gpio_to_irq() mapping logic. This now uses some
runtime infrastructure, keyed off that new soc_info field,
which doesn't handle irq_to_gpio().
- Provide a new irq_chip ... GPIO IRQs handled directly by AINTC
still need edge triggering managed by the GPIO controller.
DM365 chips no longer falsely report 104 GPIO IRQs as they boot.
Intelligence about IRQ muxing is missing, so for the moment this
only exposes the first eight DM365 GPIOs, which are never muxed.
The next eight are muxed, half with Ethernet (which uses most of
those pins anyway).
Tested on DM355 (10 unbanked IRQs _or_ 104 banked ones) and also
on DM365 (16 unbanked ones, only 8 made available).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm365.c | 3 +-
arch/arm/mach-davinci/gpio.c | 105 ++++++++++++++++++--
arch/arm/mach-davinci/include/mach/common.h | 1 +
arch/arm/mach-davinci/include/mach/gpio.h | 8 +-
4 files changed, 105 insertions(+), 12 deletions(-)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index e5873bc0a0fa..f02bce8eeba4 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -882,7 +882,8 @@ static struct davinci_soc_info davinci_soc_info_dm365 = {
.timer_info = &dm365_timer_info,
.gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
.gpio_num = 104,
- .gpio_irq = 44,
+ .gpio_irq = IRQ_DM365_GPIO0,
+ .gpio_unbanked = 8, /* really 16 ... skip muxed GPIOs */
.serial_dev = &dm365_serial_device,
.emac_pdata = &dm365_emac_pdata,
.sram_dma = 0x00010000,
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index 1b6532159c58..f6ea9db11f41 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -34,6 +34,7 @@ static DEFINE_SPINLOCK(gpio_lock);
struct davinci_gpio {
struct gpio_chip chip;
struct gpio_controller *__iomem regs;
+ int irq_base;
};
static struct davinci_gpio chips[DIV_ROUND_UP(DAVINCI_N_GPIO, 32)];
@@ -161,8 +162,7 @@ pure_initcall(davinci_gpio_setup);
* used as output pins ... which is convenient for testing.
*
* NOTE: The first few GPIOs also have direct INTC hookups in addition
- * to their GPIOBNK0 irq, with a bit less overhead but less flexibility
- * on triggering (e.g. no edge options). We don't try to use those.
+ * to their GPIOBNK0 irq, with a bit less overhead.
*
* All those INTC hookups (direct, plus several IRQ banks) can also
* serve as EDMA event triggers.
@@ -171,7 +171,7 @@ pure_initcall(davinci_gpio_setup);
static void gpio_irq_disable(unsigned irq)
{
struct gpio_controller *__iomem g = get_irq_chip_data(irq);
- u32 mask = __gpio_mask(irq_to_gpio(irq));
+ u32 mask = (u32) get_irq_data(irq);
__raw_writel(mask, &g->clr_falling);
__raw_writel(mask, &g->clr_rising);
@@ -180,7 +180,7 @@ static void gpio_irq_disable(unsigned irq)
static void gpio_irq_enable(unsigned irq)
{
struct gpio_controller *__iomem g = get_irq_chip_data(irq);
- u32 mask = __gpio_mask(irq_to_gpio(irq));
+ u32 mask = (u32) get_irq_data(irq);
unsigned status = irq_desc[irq].status;
status &= IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING;
@@ -196,7 +196,7 @@ static void gpio_irq_enable(unsigned irq)
static int gpio_irq_type(unsigned irq, unsigned trigger)
{
struct gpio_controller *__iomem g = get_irq_chip_data(irq);
- u32 mask = __gpio_mask(irq_to_gpio(irq));
+ u32 mask = (u32) get_irq_data(irq);
if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
return -EINVAL;
@@ -260,6 +260,45 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
/* now it may re-trigger */
}
+static int gpio_to_irq_banked(struct gpio_chip *chip, unsigned offset)
+{
+ struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
+
+ if (d->irq_base >= 0)
+ return d->irq_base + offset;
+ else
+ return -ENODEV;
+}
+
+static int gpio_to_irq_unbanked(struct gpio_chip *chip, unsigned offset)
+{
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+ /* NOTE: we assume for now that only irqs in the first gpio_chip
+ * can provide direct-mapped IRQs to AINTC (up to 32 GPIOs).
+ */
+ if (offset < soc_info->gpio_unbanked)
+ return soc_info->gpio_irq + offset;
+ else
+ return -ENODEV;
+}
+
+static int gpio_irq_type_unbanked(unsigned irq, unsigned trigger)
+{
+ struct gpio_controller *__iomem g = get_irq_chip_data(irq);
+ u32 mask = (u32) get_irq_data(irq);
+
+ if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
+ return -EINVAL;
+
+ __raw_writel(mask, (trigger & IRQ_TYPE_EDGE_FALLING)
+ ? &g->set_falling : &g->clr_falling);
+ __raw_writel(mask, (trigger & IRQ_TYPE_EDGE_RISING)
+ ? &g->set_rising : &g->clr_rising);
+
+ return 0;
+}
+
/*
* NOTE: for suspend/resume, probably best to make a platform_device with
* suspend_late/resume_resume calls hooking into results of the set_wake()
@@ -275,6 +314,7 @@ static int __init davinci_gpio_irq_setup(void)
u32 binten = 0;
unsigned ngpio, bank_irq;
struct davinci_soc_info *soc_info = &davinci_soc_info;
+ struct gpio_controller *__iomem g;
ngpio = soc_info->gpio_num;
@@ -292,12 +332,63 @@ static int __init davinci_gpio_irq_setup(void)
}
clk_enable(clk);
+ /* Arrange gpio_to_irq() support, handling either direct IRQs or
+ * banked IRQs. Having GPIOs in the first GPIO bank use direct
+ * IRQs, while the others use banked IRQs, would need some setup
+ * tweaks to recognize hardware which can do that.
+ */
+ for (gpio = 0, bank = 0; gpio < ngpio; bank++, gpio += 32) {
+ chips[bank].chip.to_irq = gpio_to_irq_banked;
+ chips[bank].irq_base = soc_info->gpio_unbanked
+ ? -EINVAL
+ : (soc_info->intc_irq_num + gpio);
+ }
+
+ /*
+ * AINTC can handle direct/unbanked IRQs for GPIOs, with the GPIO
+ * controller only handling trigger modes. We currently assume no
+ * IRQ mux conflicts; gpio_irq_type_unbanked() is only for GPIOs.
+ */
+ if (soc_info->gpio_unbanked) {
+ static struct irq_chip gpio_irqchip_unbanked;
+
+ /* pass "bank 0" GPIO IRQs to AINTC */
+ chips[0].chip.to_irq = gpio_to_irq_unbanked;
+ binten = BIT(0);
+
+ /* AINTC handles mask/unmask; GPIO handles triggering */
+ irq = bank_irq;
+ gpio_irqchip_unbanked = *get_irq_desc_chip(irq_to_desc(irq));
+ gpio_irqchip_unbanked.name = "GPIO-AINTC";
+ gpio_irqchip_unbanked.set_type = gpio_irq_type_unbanked;
+
+ /* default trigger: both edges */
+ g = gpio2controller(0);
+ __raw_writel(~0, &g->set_falling);
+ __raw_writel(~0, &g->set_rising);
+
+ /* set the direct IRQs up to use that irqchip */
+ for (gpio = 0; gpio < soc_info->gpio_unbanked; gpio++, irq++) {
+ set_irq_chip(irq, &gpio_irqchip_unbanked);
+ set_irq_data(irq, (void *) __gpio_mask(gpio));
+ set_irq_chip_data(irq, g);
+ irq_desc[irq].status |= IRQ_TYPE_EDGE_BOTH;
+ }
+
+ goto done;
+ }
+
+ /*
+ * Or, AINTC can handle IRQs for banks of 16 GPIO IRQs, which we
+ * then chain through our own handler.
+ */
for (gpio = 0, irq = gpio_to_irq(0), bank = 0;
gpio < ngpio;
bank++, bank_irq++) {
- struct gpio_controller *__iomem g = gpio2controller(gpio);
unsigned i;
+ /* disabled by default, enabled only as needed */
+ g = gpio2controller(gpio);
__raw_writel(~0, &g->clr_falling);
__raw_writel(~0, &g->clr_rising);
@@ -309,6 +400,7 @@ static int __init davinci_gpio_irq_setup(void)
for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) {
set_irq_chip(irq, &gpio_irqchip);
set_irq_chip_data(irq, g);
+ set_irq_data(irq, (void *) __gpio_mask(gpio));
set_irq_handler(irq, handle_simple_irq);
set_irq_flags(irq, IRQF_VALID);
}
@@ -316,6 +408,7 @@ static int __init davinci_gpio_irq_setup(void)
binten |= BIT(bank);
}
+done:
/* BINTEN -- per-bank interrupt enable. genirq would also let these
* bits be set/cleared dynamically.
*/
diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h
index b21393b24d65..1fd3917cae4e 100644
--- a/arch/arm/mach-davinci/include/mach/common.h
+++ b/arch/arm/mach-davinci/include/mach/common.h
@@ -63,6 +63,7 @@ struct davinci_soc_info {
void __iomem *gpio_base;
unsigned gpio_num;
unsigned gpio_irq;
+ unsigned gpio_unbanked;
struct platform_device *serial_dev;
struct emac_platform_data *emac_pdata;
dma_addr_t sram_dma;
diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h
index ae0745568316..ebcc29babeae 100644
--- a/arch/arm/mach-davinci/include/mach/gpio.h
+++ b/arch/arm/mach-davinci/include/mach/gpio.h
@@ -142,15 +142,13 @@ static inline int gpio_cansleep(unsigned gpio)
static inline int gpio_to_irq(unsigned gpio)
{
- if (gpio >= DAVINCI_N_GPIO)
- return -EINVAL;
- return davinci_soc_info.intc_irq_num + gpio;
+ return __gpio_to_irq(gpio);
}
static inline int irq_to_gpio(unsigned irq)
{
- /* caller guarantees gpio_to_irq() succeeded */
- return irq - davinci_soc_info.intc_irq_num;
+ /* don't support the reverse mapping */
+ return -ENOSYS;
}
#endif /* __DAVINCI_GPIO_H */
--
GitLab
From 25acf553aeed86f93f2cf39227b59fc6eb3e8c78 Mon Sep 17 00:00:00 2001
From: Chaithrika U S <chaithrika@ti.com>
Date: Fri, 5 Jun 2009 06:28:08 -0400
Subject: [PATCH 314/742] davinci: ASoC: Add the platform devices for ASP
1) Registers the platform devices for ASP on dm355, dm644x and dm646x
so that the machine driver can probe to get ASP related platform
data.
2) Move towards definition of the asp clocks using physical name(for
dm355 and dm644x)
3) Add platform data to board specific files.
Signed-off-by: Naresh Medisetty <naresh@ti.com>
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm355-evm.c | 7 ++
arch/arm/mach-davinci/board-dm644x-evm.c | 5 ++
arch/arm/mach-davinci/board-dm646x-evm.c | 33 +++++++++
arch/arm/mach-davinci/dm355.c | 43 +++++++++++-
arch/arm/mach-davinci/dm644x.c | 36 +++++++++-
arch/arm/mach-davinci/dm646x.c | 74 +++++++++++++++++++++
arch/arm/mach-davinci/include/mach/asp.h | 35 +++++++++-
arch/arm/mach-davinci/include/mach/dm355.h | 5 ++
arch/arm/mach-davinci/include/mach/dm644x.h | 2 +
arch/arm/mach-davinci/include/mach/dm646x.h | 3 +
10 files changed, 238 insertions(+), 5 deletions(-)
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index d6ab64ccd496..4ef6dbeccf3c 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -117,6 +117,10 @@ static struct davinci_i2c_platform_data i2c_pdata = {
.bus_delay = 0 /* usec */,
};
+static struct snd_platform_data dm355_evm_snd_data = {
+ .clk_name = "asp1",
+};
+
static int dm355evm_mmc_gpios = -EINVAL;
static void dm355evm_mmcsd_gpios(unsigned gpio)
@@ -279,6 +283,9 @@ static __init void dm355_evm_init(void)
dm355_init_spi0(BIT(0), dm355_evm_spi_info,
ARRAY_SIZE(dm355_evm_spi_info));
+
+ /* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
+ dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN, &dm355_evm_snd_data);
}
static __init void dm355_evm_irq_init(void)
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index 56c8cd01de9a..d37f5c204b66 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -225,6 +225,10 @@ static struct platform_device ide_dev = {
},
};
+static struct snd_platform_data dm644x_evm_snd_data = {
+ .clk_name = "asp0",
+};
+
/*----------------------------------------------------------------------*/
/*
@@ -666,6 +670,7 @@ static __init void davinci_evm_init(void)
davinci_setup_mmc(0, &dm6446evm_mmc_config);
davinci_serial_init(&uart_config);
+ dm644x_init_asp(&dm644x_evm_snd_data);
soc_info->emac_pdata->phy_mask = DM644X_EVM_PHY_MASK;
soc_info->emac_pdata->mdio_max_freq = DM644X_EVM_MDIO_FREQUENCY;
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 8657e72debc1..0aa18df4110f 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -206,6 +206,37 @@ static struct at24_platform_data eeprom_info = {
.context = (void *)0x7f00,
};
+static u8 dm646x_iis_serializer_direction[] = {
+ TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
+};
+
+static u8 dm646x_dit_serializer_direction[] = {
+ TX_MODE,
+};
+
+static struct snd_platform_data dm646x_evm_snd_data[] = {
+ {
+ .clk_name = "mcasp0",
+ .tx_dma_offset = 0x400,
+ .rx_dma_offset = 0x400,
+ .op_mode = DAVINCI_MCASP_IIS_MODE,
+ .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
+ .tdm_slots = 2,
+ .serial_dir = dm646x_iis_serializer_direction,
+ .eventq_no = EVENTQ_0,
+ },
+ {
+ .clk_name = "mcasp1",
+ .tx_dma_offset = 0x400,
+ .rx_dma_offset = 0,
+ .op_mode = DAVINCI_MCASP_DIT_MODE,
+ .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
+ .tdm_slots = 32,
+ .serial_dir = dm646x_dit_serializer_direction,
+ .eventq_no = EVENTQ_0,
+ },
+};
+
static struct i2c_board_info __initdata i2c_info[] = {
{
I2C_BOARD_INFO("24c256", 0x50),
@@ -239,6 +270,8 @@ static __init void evm_init(void)
evm_init_i2c();
davinci_serial_init(&uart_config);
+ dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
+ dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
soc_info->emac_pdata->phy_mask = DM646X_EVM_PHY_MASK;
soc_info->emac_pdata->mdio_max_freq = DM646X_EVM_MDIO_FREQUENCY;
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 48f33e420517..b4d709a8612a 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -30,6 +30,7 @@
#include <mach/time.h>
#include <mach/serial.h>
#include <mach/common.h>
+#include <mach/asp.h>
#include "clock.h"
#include "mux.h"
@@ -360,8 +361,8 @@ static struct davinci_clk dm355_clks[] = {
CLK(NULL, "uart1", &uart1_clk),
CLK(NULL, "uart2", &uart2_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
- CLK("soc-audio.0", NULL, &asp0_clk),
- CLK("soc-audio.1", NULL, &asp1_clk),
+ CLK(NULL, "asp0", &asp0_clk),
+ CLK(NULL, "asp1", &asp1_clk),
CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
CLK(NULL, "spi0", &spi0_clk),
@@ -627,6 +628,31 @@ static struct platform_device dm355_edma_device = {
.resource = edma_resources,
};
+static struct resource dm355_asp1_resources[] = {
+ {
+ .start = DAVINCI_ASP1_BASE,
+ .end = DAVINCI_ASP1_BASE + SZ_8K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = DAVINCI_DMA_ASP1_TX,
+ .end = DAVINCI_DMA_ASP1_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = DAVINCI_DMA_ASP1_RX,
+ .end = DAVINCI_DMA_ASP1_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device dm355_asp1_device = {
+ .name = "davinci-asp",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(dm355_asp1_resources),
+ .resource = dm355_asp1_resources,
+};
+
/*----------------------------------------------------------------------*/
static struct map_desc dm355_io_desc[] = {
@@ -735,6 +761,19 @@ static struct davinci_soc_info davinci_soc_info_dm355 = {
.sram_len = SZ_32K,
};
+void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata)
+{
+ /* we don't use ASP1 IRQs, or we'd need to mux them ... */
+ if (evt_enable & ASP1_TX_EVT_EN)
+ davinci_cfg_reg(DM355_EVT8_ASP1_TX);
+
+ if (evt_enable & ASP1_RX_EVT_EN)
+ davinci_cfg_reg(DM355_EVT9_ASP1_RX);
+
+ dm355_asp1_device.dev.platform_data = pdata;
+ platform_device_register(&dm355_asp1_device);
+}
+
void __init dm355_init(void)
{
davinci_common_init(&davinci_soc_info_dm355);
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index d20e447a8b4f..55317b1cf865 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -27,6 +27,7 @@
#include <mach/time.h>
#include <mach/serial.h>
#include <mach/common.h>
+#include <mach/asp.h>
#include "clock.h"
#include "mux.h"
@@ -303,7 +304,7 @@ struct davinci_clk dm644x_clks[] = {
CLK("davinci_emac.1", NULL, &emac_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
CLK("palm_bk3710", NULL, &ide_clk),
- CLK("soc-audio.0", NULL, &asp_clk),
+ CLK(NULL, "asp0", &asp_clk),
CLK("davinci_mmc.0", NULL, &mmcsd_clk),
CLK(NULL, "spi", &spi_clk),
CLK(NULL, "gpio", &gpio_clk),
@@ -553,6 +554,32 @@ static struct platform_device dm644x_edma_device = {
.resource = edma_resources,
};
+/* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
+static struct resource dm644x_asp_resources[] = {
+ {
+ .start = DAVINCI_ASP0_BASE,
+ .end = DAVINCI_ASP0_BASE + SZ_8K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = DAVINCI_DMA_ASP0_TX,
+ .end = DAVINCI_DMA_ASP0_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = DAVINCI_DMA_ASP0_RX,
+ .end = DAVINCI_DMA_ASP0_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device dm644x_asp_device = {
+ .name = "davinci-asp",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(dm644x_asp_resources),
+ .resource = dm644x_asp_resources,
+};
+
/*----------------------------------------------------------------------*/
static struct map_desc dm644x_io_desc[] = {
@@ -669,6 +696,13 @@ static struct davinci_soc_info davinci_soc_info_dm644x = {
.sram_len = SZ_16K,
};
+void __init dm644x_init_asp(struct snd_platform_data *pdata)
+{
+ davinci_cfg_reg(DM644X_MCBSP);
+ dm644x_asp_device.dev.platform_data = pdata;
+ platform_device_register(&dm644x_asp_device);
+}
+
void __init dm644x_init(void)
{
davinci_common_init(&davinci_soc_info_dm644x);
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 2c76a4d47bfb..199f288e03c4 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -27,6 +27,7 @@
#include <mach/time.h>
#include <mach/serial.h>
#include <mach/common.h>
+#include <mach/asp.h>
#include "clock.h"
#include "mux.h"
@@ -591,6 +592,66 @@ static struct platform_device dm646x_edma_device = {
.resource = edma_resources,
};
+static struct resource dm646x_mcasp0_resources[] = {
+ {
+ .name = "mcasp0",
+ .start = DAVINCI_DM646X_MCASP0_REG_BASE,
+ .end = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ /* first TX, then RX */
+ {
+ .start = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
+ .end = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
+ .end = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct resource dm646x_mcasp1_resources[] = {
+ {
+ .name = "mcasp1",
+ .start = DAVINCI_DM646X_MCASP1_REG_BASE,
+ .end = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ /* DIT mode, only TX event */
+ {
+ .start = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
+ .end = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
+ .flags = IORESOURCE_DMA,
+ },
+ /* DIT mode, dummy entry */
+ {
+ .start = -1,
+ .end = -1,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device dm646x_mcasp0_device = {
+ .name = "davinci-mcasp",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(dm646x_mcasp0_resources),
+ .resource = dm646x_mcasp0_resources,
+};
+
+static struct platform_device dm646x_mcasp1_device = {
+ .name = "davinci-mcasp",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(dm646x_mcasp1_resources),
+ .resource = dm646x_mcasp1_resources,
+};
+
+static struct platform_device dm646x_dit_device = {
+ .name = "spdif-dit",
+ .id = -1,
+};
+
/*----------------------------------------------------------------------*/
static struct map_desc dm646x_io_desc[] = {
@@ -700,6 +761,19 @@ static struct davinci_soc_info davinci_soc_info_dm646x = {
.sram_len = SZ_32K,
};
+void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
+{
+ dm646x_mcasp0_device.dev.platform_data = pdata;
+ platform_device_register(&dm646x_mcasp0_device);
+}
+
+void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
+{
+ dm646x_mcasp1_device.dev.platform_data = pdata;
+ platform_device_register(&dm646x_mcasp1_device);
+ platform_device_register(&dm646x_dit_device);
+}
+
void __init dm646x_init(void)
{
davinci_common_init(&davinci_soc_info_dm646x);
diff --git a/arch/arm/mach-davinci/include/mach/asp.h b/arch/arm/mach-davinci/include/mach/asp.h
index e0abc437d796..038ecb7c231b 100644
--- a/arch/arm/mach-davinci/include/mach/asp.h
+++ b/arch/arm/mach-davinci/include/mach/asp.h
@@ -5,21 +5,52 @@
#define __ASM_ARCH_DAVINCI_ASP_H
#include <mach/irqs.h>
+#include <mach/edma.h>
-/* Bases of register banks */
+/* Bases of dm644x and dm355 register banks */
#define DAVINCI_ASP0_BASE 0x01E02000
#define DAVINCI_ASP1_BASE 0x01E04000
-/* EDMA channels */
+/* Bases of dm646x register banks */
+#define DAVINCI_DM646X_MCASP0_REG_BASE 0x01D01000
+#define DAVINCI_DM646X_MCASP1_REG_BASE 0x01D01800
+
+/* EDMA channels of dm644x and dm355 */
#define DAVINCI_DMA_ASP0_TX 2
#define DAVINCI_DMA_ASP0_RX 3
#define DAVINCI_DMA_ASP1_TX 8
#define DAVINCI_DMA_ASP1_RX 9
+/* EDMA channels of dm646x */
+#define DAVINCI_DM646X_DMA_MCASP0_AXEVT0 6
+#define DAVINCI_DM646X_DMA_MCASP0_AREVT0 9
+#define DAVINCI_DM646X_DMA_MCASP1_AXEVT1 12
+
/* Interrupts */
#define DAVINCI_ASP0_RX_INT IRQ_MBRINT
#define DAVINCI_ASP0_TX_INT IRQ_MBXINT
#define DAVINCI_ASP1_RX_INT IRQ_MBRINT
#define DAVINCI_ASP1_TX_INT IRQ_MBXINT
+struct snd_platform_data {
+ char *clk_name;
+ u32 tx_dma_offset;
+ u32 rx_dma_offset;
+ enum dma_event_q eventq_no; /* event queue number */
+ unsigned int codec_fmt;
+
+ /* McASP specific fields */
+ int tdm_slots;
+ u8 op_mode;
+ u8 num_serializer;
+ u8 *serial_dir;
+};
+
+#define INACTIVE_MODE 0
+#define TX_MODE 1
+#define RX_MODE 2
+
+#define DAVINCI_MCASP_IIS_MODE 0
+#define DAVINCI_MCASP_DIT_MODE 1
+
#endif /* __ASM_ARCH_DAVINCI_ASP_H */
diff --git a/arch/arm/mach-davinci/include/mach/dm355.h b/arch/arm/mach-davinci/include/mach/dm355.h
index 54903b72438e..03faaef95a9a 100644
--- a/arch/arm/mach-davinci/include/mach/dm355.h
+++ b/arch/arm/mach-davinci/include/mach/dm355.h
@@ -12,11 +12,16 @@
#define __ASM_ARCH_DM355_H
#include <mach/hardware.h>
+#include <mach/asp.h>
+
+#define ASP1_TX_EVT_EN 1
+#define ASP1_RX_EVT_EN 2
struct spi_board_info;
void __init dm355_init(void);
void dm355_init_spi0(unsigned chipselect_mask,
struct spi_board_info *info, unsigned len);
+void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata);
#endif /* __ASM_ARCH_DM355_H */
diff --git a/arch/arm/mach-davinci/include/mach/dm644x.h b/arch/arm/mach-davinci/include/mach/dm644x.h
index 15d42b92a8c9..8b157ceec0ca 100644
--- a/arch/arm/mach-davinci/include/mach/dm644x.h
+++ b/arch/arm/mach-davinci/include/mach/dm644x.h
@@ -25,6 +25,7 @@
#include <linux/platform_device.h>
#include <mach/hardware.h>
#include <mach/emac.h>
+#include <mach/asp.h>
#define DM644X_EMAC_BASE (0x01C80000)
#define DM644X_EMAC_CNTRL_OFFSET (0x0000)
@@ -34,5 +35,6 @@
#define DM644X_EMAC_CNTRL_RAM_SIZE (0x2000)
void __init dm644x_init(void);
+void __init dm644x_init_asp(struct snd_platform_data *pdata);
#endif /* __ASM_ARCH_DM644X_H */
diff --git a/arch/arm/mach-davinci/include/mach/dm646x.h b/arch/arm/mach-davinci/include/mach/dm646x.h
index 1fc764c8646e..05854846242a 100644
--- a/arch/arm/mach-davinci/include/mach/dm646x.h
+++ b/arch/arm/mach-davinci/include/mach/dm646x.h
@@ -13,6 +13,7 @@
#include <mach/hardware.h>
#include <mach/emac.h>
+#include <mach/asp.h>
#define DM646X_EMAC_BASE (0x01C80000)
#define DM646X_EMAC_CNTRL_OFFSET (0x0000)
@@ -22,5 +23,7 @@
#define DM646X_EMAC_CNTRL_RAM_SIZE (0x2000)
void __init dm646x_init(void);
+void __init dm646x_init_mcasp0(struct snd_platform_data *pdata);
+void __init dm646x_init_mcasp1(struct snd_platform_data *pdata);
#endif /* __ASM_ARCH_DM646X_H */
--
GitLab
From 88659988d5b01f83615ece5ad3183ce5672e2a7f Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Mon, 6 Jul 2009 14:39:25 -0700
Subject: [PATCH 315/742] davinci: Kconfig: update default config for 2.6.31-rc
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/configs/davinci_all_defconfig | 152 +++++++++++--------------
1 file changed, 65 insertions(+), 87 deletions(-)
diff --git a/arch/arm/configs/davinci_all_defconfig b/arch/arm/configs/davinci_all_defconfig
index 6eb6d9da0dc9..8c669ae94e39 100644
--- a/arch/arm/configs/davinci_all_defconfig
+++ b/arch/arm/configs/davinci_all_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30-rc7
-# Tue May 26 07:24:28 2009
+# Linux kernel version: 2.6.31-rc2
+# Mon Jul 6 14:38:31 2009
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -9,7 +9,6 @@ CONFIG_GENERIC_GPIO=y
CONFIG_GENERIC_TIME=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_MMU=y
-# CONFIG_NO_IOPORT is not set
CONFIG_GENERIC_HARDIRQS=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
@@ -18,14 +17,13 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
-# CONFIG_ARCH_HAS_ILOG2_U32 is not set
-# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_ZONE_DMA=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
#
# General setup
@@ -62,8 +60,7 @@ CONFIG_FAIR_GROUP_SCHED=y
CONFIG_USER_SCHED=y
# CONFIG_CGROUP_SCHED is not set
# CONFIG_CGROUPS is not set
-CONFIG_SYSFS_DEPRECATED=y
-CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
# CONFIG_RELAY is not set
# CONFIG_NAMESPACES is not set
CONFIG_BLK_DEV_INITRD=y
@@ -80,7 +77,6 @@ CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
# CONFIG_KALLSYMS_EXTRA_PASS is not set
-# CONFIG_STRIP_ASM_SYMS is not set
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
@@ -93,8 +89,13 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
+
+#
+# Performance Counters
+#
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
+# CONFIG_STRIP_ASM_SYMS is not set
CONFIG_COMPAT_BRK=y
# CONFIG_SLAB is not set
CONFIG_SLUB=y
@@ -106,6 +107,11 @@ CONFIG_HAVE_OPROFILE=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
# CONFIG_SLOW_WORK is not set
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_SLABINFO=y
@@ -118,7 +124,7 @@ CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODVERSIONS=y
# CONFIG_MODULE_SRCVERSION_ALL is not set
CONFIG_BLOCK=y
-# CONFIG_LBD is not set
+CONFIG_LBDAF=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_BLK_DEV_INTEGRITY is not set
@@ -145,13 +151,14 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_AT91 is not set
# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_EP93XX is not set
-# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_IMX is not set
# CONFIG_ARCH_IOP13XX is not set
# CONFIG_ARCH_IOP32X is not set
# CONFIG_ARCH_IOP33X is not set
@@ -160,26 +167,27 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
# CONFIG_ARCH_IXP4XX is not set
# CONFIG_ARCH_L7200 is not set
# CONFIG_ARCH_KIRKWOOD is not set
-# CONFIG_ARCH_KS8695 is not set
-# CONFIG_ARCH_NS9XXX is not set
# CONFIG_ARCH_LOKI is not set
# CONFIG_ARCH_MV78XX0 is not set
-# CONFIG_ARCH_MXC is not set
# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
-# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_MSM is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
# CONFIG_ARCH_S3C64XX is not set
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
CONFIG_ARCH_DAVINCI=y
# CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_MSM is not set
-# CONFIG_ARCH_W90X900 is not set
CONFIG_AINTC=y
+CONFIG_ARCH_DAVINCI_DMx=y
#
# TI DaVinci Implementations
@@ -191,6 +199,7 @@ CONFIG_AINTC=y
CONFIG_ARCH_DAVINCI_DM644x=y
CONFIG_ARCH_DAVINCI_DM355=y
CONFIG_ARCH_DAVINCI_DM646x=y
+# CONFIG_ARCH_DAVINCI_DA830 is not set
CONFIG_ARCH_DAVINCI_DM365=y
#
@@ -229,7 +238,6 @@ CONFIG_ARM_THUMB=y
# CONFIG_CPU_DCACHE_DISABLE is not set
# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
-# CONFIG_OUTER_CACHE is not set
CONFIG_COMMON_CLKDEV=y
#
@@ -254,7 +262,6 @@ CONFIG_PREEMPT=y
CONFIG_HZ=100
CONFIG_AEABI=y
# CONFIG_OABI_COMPAT is not set
-# CONFIG_ARCH_HAS_HOLES_MEMORYMODEL is not set
# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
# CONFIG_HIGHMEM is not set
@@ -270,12 +277,13 @@ CONFIG_SPLIT_PTLOCK_CPUS=4096
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
CONFIG_VIRT_TO_BUS=y
-CONFIG_UNEVICTABLE_LRU=y
CONFIG_HAVE_MLOCK=y
CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_LEDS=y
# CONFIG_LEDS_CPU is not set
CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
#
# Boot options
@@ -417,6 +425,7 @@ CONFIG_NETFILTER_ADVANCED=y
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
# CONFIG_NET_SCHED is not set
# CONFIG_DCB is not set
@@ -555,6 +564,7 @@ CONFIG_BLK_DEV_RAM_SIZE=32768
# CONFIG_BLK_DEV_XIP is not set
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MG_DISK is not set
CONFIG_MISC_DEVICES=y
# CONFIG_ICS932S401 is not set
# CONFIG_ENCLOSURE_SERVICES is not set
@@ -566,6 +576,7 @@ CONFIG_MISC_DEVICES=y
#
CONFIG_EEPROM_AT24=y
# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
# CONFIG_EEPROM_93CX6 is not set
CONFIG_HAVE_IDE=y
CONFIG_IDE=m
@@ -611,10 +622,6 @@ CONFIG_BLK_DEV_SD=m
# CONFIG_BLK_DEV_SR is not set
# CONFIG_CHR_DEV_SG is not set
# CONFIG_CHR_DEV_SCH is not set
-
-#
-# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
-#
# CONFIG_SCSI_MULTI_LUN is not set
# CONFIG_SCSI_CONSTANTS is not set
# CONFIG_SCSI_LOGGING is not set
@@ -639,7 +646,6 @@ CONFIG_SCSI_LOWLEVEL=y
# CONFIG_ATA is not set
# CONFIG_MD is not set
CONFIG_NETDEVICES=y
-CONFIG_COMPAT_NET_DEV_OPS=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_MACVLAN is not set
@@ -686,6 +692,7 @@ CONFIG_DM9000_DEBUGLEVEL=4
# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
# CONFIG_NETDEV_1000 is not set
# CONFIG_NETDEV_10000 is not set
@@ -755,6 +762,7 @@ CONFIG_KEYBOARD_ATKBD=m
CONFIG_KEYBOARD_XTKBD=m
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_LM8323 is not set
CONFIG_KEYBOARD_GPIO=y
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
@@ -762,6 +770,7 @@ CONFIG_KEYBOARD_GPIO=y
CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_AD7879_I2C is not set
# CONFIG_TOUCHSCREEN_AD7879 is not set
+# CONFIG_TOUCHSCREEN_EETI is not set
# CONFIG_TOUCHSCREEN_FUJITSU is not set
# CONFIG_TOUCHSCREEN_GUNZE is not set
# CONFIG_TOUCHSCREEN_ELO is not set
@@ -775,6 +784,7 @@ CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
# CONFIG_TOUCHSCREEN_TSC2007 is not set
+# CONFIG_TOUCHSCREEN_W90X900 is not set
# CONFIG_INPUT_MISC is not set
#
@@ -834,6 +844,7 @@ CONFIG_I2C_HELPER_AUTO=y
# I2C system bus drivers (mostly embedded / system-on-chip)
#
CONFIG_I2C_DAVINCI=y
+# CONFIG_I2C_DESIGNWARE is not set
# CONFIG_I2C_GPIO is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_SIMTEC is not set
@@ -856,7 +867,6 @@ CONFIG_I2C_DAVINCI=y
#
# CONFIG_DS1682 is not set
# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_MAX6875 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
@@ -937,6 +947,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_SMSC47B397 is not set
# CONFIG_SENSORS_ADS7828 is not set
# CONFIG_SENSORS_THMC50 is not set
+# CONFIG_SENSORS_TMP401 is not set
# CONFIG_SENSORS_VT1211 is not set
# CONFIG_SENSORS_W83781D is not set
# CONFIG_SENSORS_W83791D is not set
@@ -988,52 +999,8 @@ CONFIG_SSB_POSSIBLE=y
# CONFIG_MFD_WM8400 is not set
# CONFIG_MFD_WM8350_I2C is not set
# CONFIG_MFD_PCF50633 is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-CONFIG_VIDEO_DEV=y
-CONFIG_VIDEO_V4L2_COMMON=y
-CONFIG_VIDEO_ALLOW_V4L1=y
-CONFIG_VIDEO_V4L1_COMPAT=y
-# CONFIG_DVB_CORE is not set
-CONFIG_VIDEO_MEDIA=y
-
-#
-# Multimedia drivers
-#
-# CONFIG_MEDIA_ATTACH is not set
-CONFIG_MEDIA_TUNER=y
-# CONFIG_MEDIA_TUNER_CUSTOMISE is not set
-CONFIG_MEDIA_TUNER_SIMPLE=y
-CONFIG_MEDIA_TUNER_TDA8290=y
-CONFIG_MEDIA_TUNER_TDA9887=y
-CONFIG_MEDIA_TUNER_TEA5761=y
-CONFIG_MEDIA_TUNER_TEA5767=y
-CONFIG_MEDIA_TUNER_MT20XX=y
-CONFIG_MEDIA_TUNER_XC2028=y
-CONFIG_MEDIA_TUNER_XC5000=y
-CONFIG_MEDIA_TUNER_MC44S803=y
-CONFIG_VIDEO_V4L2=y
-CONFIG_VIDEO_V4L1=y
-CONFIG_VIDEO_CAPTURE_DRIVERS=y
-# CONFIG_VIDEO_ADV_DEBUG is not set
-# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
-CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
-# CONFIG_VIDEO_VIVI is not set
-# CONFIG_VIDEO_CPIA is not set
-# CONFIG_VIDEO_CPIA2 is not set
-# CONFIG_VIDEO_SAA5246A is not set
-# CONFIG_VIDEO_SAA5249 is not set
-# CONFIG_SOC_CAMERA is not set
-# CONFIG_V4L_USB_DRIVERS is not set
-# CONFIG_RADIO_ADAPTERS is not set
-CONFIG_DAB=y
-# CONFIG_USB_DABUSB is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_MEDIA_SUPPORT is not set
#
# Graphics support
@@ -1104,6 +1071,11 @@ CONFIG_SND_SUPPORT_OLD_API=y
CONFIG_SND_VERBOSE_PROCFS=y
# CONFIG_SND_VERBOSE_PRINTK is not set
# CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
CONFIG_SND_DRIVERS=y
# CONFIG_SND_DUMMY is not set
# CONFIG_SND_MTPAV is not set
@@ -1145,7 +1117,7 @@ CONFIG_HID_BELKIN=m
CONFIG_HID_CHERRY=m
CONFIG_HID_CHICONY=m
CONFIG_HID_CYPRESS=m
-# CONFIG_DRAGONRISE_FF is not set
+# CONFIG_HID_DRAGONRISE is not set
CONFIG_HID_EZKEY=m
# CONFIG_HID_KYE is not set
CONFIG_HID_GYRATION=m
@@ -1162,10 +1134,11 @@ CONFIG_HID_PETALYNX=m
CONFIG_HID_SAMSUNG=m
CONFIG_HID_SONY=m
CONFIG_HID_SUNPLUS=m
-# CONFIG_GREENASIA_FF is not set
+# CONFIG_HID_GREENASIA is not set
+# CONFIG_HID_SMARTJOYPLUS is not set
# CONFIG_HID_TOPSEED is not set
-# CONFIG_THRUSTMASTER_FF is not set
-# CONFIG_ZEROPLUS_FF is not set
+# CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_ZEROPLUS is not set
CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
# CONFIG_USB_ARCH_HAS_OHCI is not set
@@ -1268,6 +1241,7 @@ CONFIG_USB_STORAGE=m
# CONFIG_USB_IDMOUSE is not set
# CONFIG_USB_FTDI_ELAN is not set
# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_SISUSBVGA is not set
# CONFIG_USB_LD is not set
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
@@ -1287,6 +1261,7 @@ CONFIG_USB_GADGET_SELECTED=y
# CONFIG_USB_GADGET_OMAP is not set
# CONFIG_USB_GADGET_PXA25X is not set
# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C_HSOTG is not set
# CONFIG_USB_GADGET_S3C2410 is not set
# CONFIG_USB_GADGET_IMX is not set
# CONFIG_USB_GADGET_M66592 is not set
@@ -1295,9 +1270,11 @@ CONFIG_USB_GADGET_SELECTED=y
# CONFIG_USB_GADGET_CI13XXX is not set
# CONFIG_USB_GADGET_NET2280 is not set
# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LANGWELL is not set
# CONFIG_USB_GADGET_DUMMY_HCD is not set
CONFIG_USB_GADGET_DUALSPEED=y
CONFIG_USB_ZERO=m
+# CONFIG_USB_AUDIO is not set
CONFIG_USB_ETH=m
CONFIG_USB_ETH_RNDIS=y
CONFIG_USB_GADGETFS=m
@@ -1313,7 +1290,7 @@ CONFIG_USB_CDC_COMPOSITE=m
#
CONFIG_USB_OTG_UTILS=y
# CONFIG_USB_GPIO_VBUS is not set
-# CONFIG_NOP_USB_XCEIV is not set
+CONFIG_NOP_USB_XCEIV=m
CONFIG_MMC=m
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_UNSAFE_RESUME is not set
@@ -1330,7 +1307,6 @@ CONFIG_MMC_BLOCK=m
# MMC/SD/SDIO Host Controller Drivers
#
# CONFIG_MMC_SDHCI is not set
-# CONFIG_MMC_DAVINCI is not set
# CONFIG_MEMSTICK is not set
# CONFIG_ACCESSIBILITY is not set
CONFIG_NEW_LEDS=y
@@ -1342,7 +1318,7 @@ CONFIG_LEDS_CLASS=m
# CONFIG_LEDS_PCA9532 is not set
CONFIG_LEDS_GPIO=m
CONFIG_LEDS_GPIO_PLATFORM=y
-# CONFIG_LEDS_LP5521 is not set
+# CONFIG_LEDS_LP3944 is not set
# CONFIG_LEDS_PCA955X is not set
# CONFIG_LEDS_BD2802 is not set
@@ -1388,6 +1364,7 @@ CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_DRV_S35390A is not set
# CONFIG_RTC_DRV_FM3130 is not set
# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
#
# SPI RTC drivers
@@ -1435,14 +1412,16 @@ CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
# CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
CONFIG_XFS_FS=m
# CONFIG_XFS_QUOTA is not set
# CONFIG_XFS_POSIX_ACL is not set
# CONFIG_XFS_RT is not set
# CONFIG_XFS_DEBUG is not set
+# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_BTRFS_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
@@ -1625,6 +1604,7 @@ CONFIG_TIMER_STATS=y
# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_SLUB_DEBUG_ON is not set
# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
CONFIG_DEBUG_PREEMPT=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_PI_LIST=y
@@ -1656,18 +1636,16 @@ CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_PAGE_POISONING is not set
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_TRACING_SUPPORT=y
-
-#
-# Tracers
-#
+CONFIG_FTRACE=y
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_PREEMPT_TRACER is not set
# CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
-# CONFIG_EVENT_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
# CONFIG_BOOT_TRACER is not set
-# CONFIG_TRACE_BRANCH_PROFILING is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
# CONFIG_STACK_TRACER is not set
# CONFIG_KMEMTRACE is not set
# CONFIG_WORKQUEUE_TRACER is not set
--
GitLab
From 3e25d5f4fd7515a0a1e6b68025c483f53196a98c Mon Sep 17 00:00:00 2001
From: Hemant Pedanekar <hemantp@ti.com>
Date: Tue, 7 Jul 2009 19:49:41 +0530
Subject: [PATCH 316/742] davinci: dm646x: Add clock info and update mux setup
for ATA
This patch adds clock data for IDE and also updates pin mux mask for ATA so as
to disable PCI when ATA is selected.
Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm646x.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 199f288e03c4..50f01e013aa8 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -285,6 +285,13 @@ static struct clk timer2_clk = {
.flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
};
+
+static struct clk ide_clk = {
+ .name = "ide",
+ .parent = &pll1_sysclk4,
+ .lpsc = DAVINCI_LPSC_ATA,
+};
+
static struct clk vpif0_clk = {
.name = "vpif0",
.parent = &ref_clk,
@@ -336,6 +343,7 @@ struct davinci_clk dm646x_clks[] = {
CLK(NULL, "timer0", &timer0_clk),
CLK(NULL, "timer1", &timer1_clk),
CLK("watchdog", NULL, &timer2_clk),
+ CLK("palm_bk3710", NULL, &ide_clk),
CLK(NULL, "vpif0", &vpif0_clk),
CLK(NULL, "vpif1", &vpif1_clk),
CLK(NULL, NULL, NULL),
@@ -399,7 +407,7 @@ static struct platform_device dm646x_emac_device = {
*/
static const struct mux_config dm646x_pins[] = {
#ifdef CONFIG_DAVINCI_MUX
-MUX_CFG(DM646X, ATAEN, 0, 0, 1, 1, true)
+MUX_CFG(DM646X, ATAEN, 0, 0, 5, 1, true)
MUX_CFG(DM646X, AUDCK1, 0, 29, 1, 0, false)
--
GitLab
From 9eb7115bcc423ae022ebf1844820d58a77c2d435 Mon Sep 17 00:00:00 2001
From: Hemant Pedanekar <hemantp@ti.com>
Date: Wed, 24 Jun 2009 10:15:47 +0530
Subject: [PATCH 317/742] davinci: Move IO device mapping macros from io.h to
hardware.h
This patch takes out IO mapping macros from mach/io.h and puts them in
mach/hardware.h avoiding need to include mach/io.h in various files such as
serial.h, vmalloc.h etc.
The main reason to avoid inclusion of mach/io.h is, when default in/out macros
are overridden by machine specific functions (e.g., in case of PCI I/O), they
result into linker error. An example snippet and error snapshot is listed below.
Following code in mach/io.h:
#define inl(p) my_inl()
static inline unsigned int my_inl(unsigned int addr)
{
if (IS_PCI_IO(addr))
return pci_inl ();
else
return le32_to_cpu(__raw_readl(__typesafe_io(addr)));
}
leads to error:
LD arch/arm/boot/compressed/vmlinux
arch/arm/boot/compressed/misc.o: In function `my_inl':
misc.c:(.text+0x2744): undefined reference to `pci_inl'
make[2]: *** [arch/arm/boot/compressed/vmlinux] Error 1
This is because mach/io.h gets included in arch/arm/boot/compressed/misc.c
through mach/serial.h but pci.c file, which defines 'pci_inl' doesn't get built
into compressed vmlinux.
Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/include/mach/hardware.h | 17 ++++++++++++++
arch/arm/mach-davinci/include/mach/io.h | 23 ++-----------------
arch/arm/mach-davinci/include/mach/serial.h | 2 +-
arch/arm/mach-davinci/include/mach/vmalloc.h | 2 +-
4 files changed, 21 insertions(+), 23 deletions(-)
diff --git a/arch/arm/mach-davinci/include/mach/hardware.h b/arch/arm/mach-davinci/include/mach/hardware.h
index 48c77934d519..41c89386e39b 100644
--- a/arch/arm/mach-davinci/include/mach/hardware.h
+++ b/arch/arm/mach-davinci/include/mach/hardware.h
@@ -24,4 +24,21 @@
/* System control register offsets */
#define DM64XX_VDD3P3V_PWDN 0x48
+/*
+ * I/O mapping
+ */
+#define IO_PHYS 0x01c00000
+#define IO_OFFSET 0xfd000000 /* Virtual IO = 0xfec00000 */
+#define IO_SIZE 0x00400000
+#define IO_VIRT (IO_PHYS + IO_OFFSET)
+#define io_v2p(va) ((va) - IO_OFFSET)
+#define __IO_ADDRESS(x) ((x) + IO_OFFSET)
+#define IO_ADDRESS(pa) IOMEM(__IO_ADDRESS(pa))
+
+#ifdef __ASSEMBLER__
+#define IOMEM(x) x
+#else
+#define IOMEM(x) ((void __force __iomem *)(x))
+#endif
+
#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-davinci/include/mach/io.h b/arch/arm/mach-davinci/include/mach/io.h
index 2479785405af..62b0a90309ad 100644
--- a/arch/arm/mach-davinci/include/mach/io.h
+++ b/arch/arm/mach-davinci/include/mach/io.h
@@ -13,18 +13,6 @@
#define IO_SPACE_LIMIT 0xffffffff
-/*
- * ----------------------------------------------------------------------------
- * I/O mapping
- * ----------------------------------------------------------------------------
- */
-#define IO_PHYS 0x01c00000
-#define IO_OFFSET 0xfd000000 /* Virtual IO = 0xfec00000 */
-#define IO_SIZE 0x00400000
-#define IO_VIRT (IO_PHYS + IO_OFFSET)
-#define io_v2p(va) ((va) - IO_OFFSET)
-#define __IO_ADDRESS(x) ((x) + IO_OFFSET)
-
/*
* We don't actually have real ISA nor PCI buses, but there is so many
* drivers out there that might just work if we fake them...
@@ -33,19 +21,12 @@
#define __mem_pci(a) (a)
#define __mem_isa(a) (a)
-#define IO_ADDRESS(pa) IOMEM(__IO_ADDRESS(pa))
-
-#ifdef __ASSEMBLER__
-#define IOMEM(x) x
-#else
-#define IOMEM(x) ((void __force __iomem *)(x))
-
+#ifndef __ASSEMBLER__
#define __arch_ioremap(p, s, t) davinci_ioremap(p, s, t)
#define __arch_iounmap(v) davinci_iounmap(v)
void __iomem *davinci_ioremap(unsigned long phys, size_t size,
unsigned int type);
void davinci_iounmap(volatile void __iomem *addr);
-
-#endif /* __ASSEMBLER__ */
+#endif
#endif /* __ASM_ARCH_IO_H */
diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h
index 57e68e610ee9..a584697a9e70 100644
--- a/arch/arm/mach-davinci/include/mach/serial.h
+++ b/arch/arm/mach-davinci/include/mach/serial.h
@@ -11,7 +11,7 @@
#ifndef __ASM_ARCH_SERIAL_H
#define __ASM_ARCH_SERIAL_H
-#include <mach/io.h>
+#include <mach/hardware.h>
#define DAVINCI_MAX_NR_UARTS 3
#define DAVINCI_UART0_BASE (IO_PHYS + 0x20000)
diff --git a/arch/arm/mach-davinci/include/mach/vmalloc.h b/arch/arm/mach-davinci/include/mach/vmalloc.h
index ad51625b6609..d49646a8e206 100644
--- a/arch/arm/mach-davinci/include/mach/vmalloc.h
+++ b/arch/arm/mach-davinci/include/mach/vmalloc.h
@@ -8,7 +8,7 @@
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
-#include <mach/io.h>
+#include <mach/hardware.h>
/* Allow vmalloc range until the IO virtual range minus a 2M "hole" */
#define VMALLOC_END (IO_VIRT - (2<<20))
--
GitLab
From baf09a4cd029c10fd46ef3d1505e2fe8cddcb48e Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Wed, 8 Jul 2009 08:32:27 -0700
Subject: [PATCH 318/742] davinci: da830: updates for mach-type name change
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da830-evm.c | 2 +-
arch/arm/mach-davinci/include/mach/debug-macro.S | 2 +-
arch/arm/mach-davinci/include/mach/uncompress.h | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 0409eb67cfe1..9185a706d14c 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -116,7 +116,7 @@ static void __init da830_evm_map_io(void)
da830_init();
}
-MACHINE_START(DAVINCI_DA8XX_EVM, "DaVinci DA830/OMAP L137 EVM")
+MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP L137 EVM")
.phys_io = IO_PHYS,
.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
.boot_params = (DA8XX_DDR_BASE + 0x100),
diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S
index 69837a67d5f5..9d16277b233f 100644
--- a/arch/arm/mach-davinci/include/mach/debug-macro.S
+++ b/arch/arm/mach-davinci/include/mach/debug-macro.S
@@ -26,7 +26,7 @@
movne \rx, #0xfe000000 @ virtual base
#if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx)
#error Cannot enable DaVinci and DA8XX platforms concurrently
-#elif defined(CONFIG_MACH_DAVINCI_DA8XX_EVM)
+#elif defined(CONFIG_MACH_DAVINCI_DA830_EVM)
orr \rx, \rx, #0x00d00000 @ physical base address
orr \rx, \rx, #0x0000d000 @ of UART 2
#else
diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
index 0f1f12b67875..46a0c3171e35 100644
--- a/arch/arm/mach-davinci/include/mach/uncompress.h
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -21,7 +21,7 @@ static u32 *uart;
static u32 *get_uart_base(void)
{
- if (__machine_arch_type == MACH_TYPE_DAVINCI_DA8XX_EVM)
+ if (__machine_arch_type == MACH_TYPE_DAVINCI_DA830_EVM)
return (u32 *)DA8XX_UART2_BASE;
else
return (u32 *)DAVINCI_UART0_BASE;
--
GitLab
From 6077d265324f13a4b7db30eb70cabed07fd58936 Mon Sep 17 00:00:00 2001
From: Sekhar Nori <nsekhar@ti.com>
Date: Thu, 9 Jul 2009 20:26:38 +0530
Subject: [PATCH 319/742] davinci: make arch_idle and arch_reset as inline
functions
Make arch_idle and arch_reset inline as inline function.
Not having them inline leads to a warning of this sort when only
one of these functions is used:
arch/arm/mach-davinci/include/mach/system.h:24: warning: 'arch_reset' \
defined but not used
boot, re-boot tested on OMAP-L138 EVM
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/include/mach/system.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-davinci/include/mach/system.h b/arch/arm/mach-davinci/include/mach/system.h
index b7e7036674fa..8e4f10fe1263 100644
--- a/arch/arm/mach-davinci/include/mach/system.h
+++ b/arch/arm/mach-davinci/include/mach/system.h
@@ -16,12 +16,12 @@
extern void davinci_watchdog_reset(void);
-static void arch_idle(void)
+static inline void arch_idle(void)
{
cpu_do_idle();
}
-static void arch_reset(char mode, const char *cmd)
+static inline void arch_reset(char mode, const char *cmd)
{
davinci_watchdog_reset();
}
--
GitLab
From 1c92a554fcad141f8c73eecdb1cc5ac0527a5c15 Mon Sep 17 00:00:00 2001
From: Hemant Pedanekar <hemantp@ti.com>
Date: Thu, 9 Jul 2009 19:43:20 +0530
Subject: [PATCH 320/742] davinci: dm646x: Add IDE setup
This patch adds platform data and init function for IDE which could be called
from board specific file to register IDE device.
Note that for 594MHz device the transfer mode is limited to UDMA4 since ideclk
rate is less than 100 MHz, which forces udma_mask in palm_bk3710.c to UDMA4,
while for 729MHz device, it is UDMA5.
Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm646x.c | 32 +++++++++++++++++++++
arch/arm/mach-davinci/include/mach/dm646x.h | 3 ++
2 files changed, 35 insertions(+)
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 50f01e013aa8..3516f7699db2 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -600,6 +600,32 @@ static struct platform_device dm646x_edma_device = {
.resource = edma_resources,
};
+static struct resource ide_resources[] = {
+ {
+ .start = DM646X_ATA_REG_BASE,
+ .end = DM646X_ATA_REG_BASE + 0x7ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_DM646X_IDE,
+ .end = IRQ_DM646X_IDE,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 ide_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device ide_dev = {
+ .name = "palm_bk3710",
+ .id = -1,
+ .resource = ide_resources,
+ .num_resources = ARRAY_SIZE(ide_resources),
+ .dev = {
+ .dma_mask = &ide_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
static struct resource dm646x_mcasp0_resources[] = {
{
.name = "mcasp0",
@@ -769,6 +795,12 @@ static struct davinci_soc_info davinci_soc_info_dm646x = {
.sram_len = SZ_32K,
};
+void __init dm646x_init_ide()
+{
+ davinci_cfg_reg(DM646X_ATAEN);
+ platform_device_register(&ide_dev);
+}
+
void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
{
dm646x_mcasp0_device.dev.platform_data = pdata;
diff --git a/arch/arm/mach-davinci/include/mach/dm646x.h b/arch/arm/mach-davinci/include/mach/dm646x.h
index 05854846242a..feb1e02cdbd8 100644
--- a/arch/arm/mach-davinci/include/mach/dm646x.h
+++ b/arch/arm/mach-davinci/include/mach/dm646x.h
@@ -22,7 +22,10 @@
#define DM646X_EMAC_MDIO_OFFSET (0x4000)
#define DM646X_EMAC_CNTRL_RAM_SIZE (0x2000)
+#define DM646X_ATA_REG_BASE (0x01C66000)
+
void __init dm646x_init(void);
+void __init dm646x_init_ide(void);
void __init dm646x_init_mcasp0(struct snd_platform_data *pdata);
void __init dm646x_init_mcasp1(struct snd_platform_data *pdata);
--
GitLab
From bea238f65c81742a03662e4664d88a9b4de5ea83 Mon Sep 17 00:00:00 2001
From: "Rajashekhara, Sudhakar" <sudhakar.raj@ti.com>
Date: Fri, 10 Jul 2009 02:08:31 -0400
Subject: [PATCH 321/742] davinci: Move the da830/omap-l137 #defines to header
file
With the introduction of TI da850/omap-l138, some of the macros
defined for da830/omap-l137 will be needed in da850 source file.
So, move the common macros to da8xx.h header file.
Also, modify the macro names from DA830_... to DA8XX_.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/da830.c | 22 +++++++---------------
arch/arm/mach-davinci/include/mach/da8xx.h | 8 ++++++++
2 files changed, 15 insertions(+), 15 deletions(-)
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index ab4242869b66..999f69c9372b 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -27,14 +27,6 @@
#include "clock.h"
#include "mux.h"
-#define DA830_PSC0_BASE 0x01c10000
-#define DA830_PLL0_BASE 0x01c11000
-#define DA830_JTAG_ID_REG 0x01c14018
-#define DA830_TIMER64P0_BASE 0x01c20000
-#define DA830_TIMER64P1_BASE 0x01c21000
-#define DA830_GPIO_BASE 0x01e26000
-#define DA830_PSC1_BASE 0x01e27000
-
/* Offsets of the 8 compare registers on the da830 */
#define DA830_CMP12_0 0x60
#define DA830_CMP12_1 0x64
@@ -49,7 +41,7 @@
static struct pll_data pll0_data = {
.num = 1,
- .phys_base = DA830_PLL0_BASE,
+ .phys_base = DA8XX_PLL0_BASE,
.flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
};
@@ -1174,8 +1166,8 @@ static struct map_desc da830_io_desc[] = {
};
static void __iomem *da830_psc_bases[] = {
- IO_ADDRESS(DA830_PSC0_BASE),
- IO_ADDRESS(DA830_PSC1_BASE),
+ IO_ADDRESS(DA8XX_PSC0_BASE),
+ IO_ADDRESS(DA8XX_PSC1_BASE),
};
/* Contents of JTAG ID register used to identify exact cpu type */
@@ -1191,14 +1183,14 @@ static struct davinci_id da830_ids[] = {
static struct davinci_timer_instance da830_timer_instance[2] = {
{
- .base = IO_ADDRESS(DA830_TIMER64P0_BASE),
+ .base = IO_ADDRESS(DA8XX_TIMER64P0_BASE),
.bottom_irq = IRQ_DA8XX_TINT12_0,
.top_irq = IRQ_DA8XX_TINT34_0,
.cmp_off = DA830_CMP12_0,
.cmp_irq = IRQ_DA830_T12CMPINT0_0,
},
{
- .base = IO_ADDRESS(DA830_TIMER64P1_BASE),
+ .base = IO_ADDRESS(DA8XX_TIMER64P1_BASE),
.bottom_irq = IRQ_DA8XX_TINT12_1,
.top_irq = IRQ_DA8XX_TINT34_1,
.cmp_off = DA830_CMP12_0,
@@ -1220,7 +1212,7 @@ static struct davinci_timer_info da830_timer_info = {
static struct davinci_soc_info davinci_soc_info_da830 = {
.io_desc = da830_io_desc,
.io_desc_num = ARRAY_SIZE(da830_io_desc),
- .jtag_id_base = IO_ADDRESS(DA830_JTAG_ID_REG),
+ .jtag_id_base = IO_ADDRESS(DA8XX_JTAG_ID_REG),
.ids = da830_ids,
.ids_num = ARRAY_SIZE(da830_ids),
.cpu_clks = da830_clks,
@@ -1234,7 +1226,7 @@ static struct davinci_soc_info davinci_soc_info_da830 = {
.intc_irq_prios = da830_default_priorities,
.intc_irq_num = DA830_N_CP_INTC_IRQ,
.timer_info = &da830_timer_info,
- .gpio_base = IO_ADDRESS(DA830_GPIO_BASE),
+ .gpio_base = IO_ADDRESS(DA8XX_GPIO_BASE),
.gpio_num = 128,
.gpio_irq = IRQ_DA8XX_GPIO0,
.serial_dev = &da8xx_serial_device,
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 084db271c7c4..65b42431ddec 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -29,6 +29,14 @@
#define DA8XX_BOOT_CFG_BASE (IO_PHYS + 0x14000)
+#define DA8XX_PSC0_BASE 0x01c10000
+#define DA8XX_PLL0_BASE 0x01c11000
+#define DA8XX_JTAG_ID_REG 0x01c14018
+#define DA8XX_TIMER64P0_BASE 0x01c20000
+#define DA8XX_TIMER64P1_BASE 0x01c21000
+#define DA8XX_GPIO_BASE 0x01e26000
+#define DA8XX_PSC1_BASE 0x01e27000
+
void __init da830_init(void);
int da8xx_register_edma(void);
--
GitLab
From 2259bbd460c5c15567e2e311d0ab0fe763b40031 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Fri, 10 Jul 2009 06:28:52 -0400
Subject: [PATCH 322/742] davinci: Pass proper EDMA CC interrupt number for
DA830/OMAP-L137
In EDMA resource structure, instead of passing EDMA CC
interrupt, EDMA TC error interrupt number is being passed.
Before the patch:
root@arago:~# cat /proc/interrupts
CPU0
12: 0 cp_intc edma_error
13: 0 cp_intc edma
Err:
After the patch:
root@arago:~# cat /proc/interrupts
CPU0
11: 0 cp_intc edma
12: 0 cp_intc edma_error
Err:
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/devices-da8xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index c367055ae9b9..11c0971e13a6 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -133,7 +133,7 @@ static struct resource da8xx_edma_resources[] = {
},
{
.name = "edma0",
- .start = IRQ_DA8XX_TCERRINT0,
+ .start = IRQ_DA8XX_CCINT0,
.flags = IORESOURCE_IRQ,
},
{
--
GitLab
From c96b56c53fb76c540a1a8103c7594859db4351dd Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 16 Jul 2009 05:45:32 -0400
Subject: [PATCH 323/742] davinci: Rearrange the da830/omap-l137 macros and
functions
Rearrange the PINMUX macros and pinmux_setup function which
are common between da830/omap-l137 and da850/omap-l138.
Also, replace the da830 string in function names to da8xx.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da830-evm.c | 4 +--
arch/arm/mach-davinci/da830.c | 35 ----------------------
arch/arm/mach-davinci/include/mach/da8xx.h | 23 +++++++++++++-
arch/arm/mach-davinci/mux.c | 14 +++++++++
4 files changed, 38 insertions(+), 38 deletions(-)
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 9185a706d14c..90256693b8d8 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -61,7 +61,7 @@ static __init void da830_evm_init(void)
pr_warning("da830_evm_init: edma registration failed: %d\n",
ret);
- ret = da830_pinmux_setup(da830_i2c0_pins);
+ ret = da8xx_pinmux_setup(da830_i2c0_pins);
if (ret)
pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
ret);
@@ -75,7 +75,7 @@ static __init void da830_evm_init(void)
soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
soc_info->emac_pdata->rmii_en = 1;
- ret = da830_pinmux_setup(da830_cpgmac_pins);
+ ret = da8xx_pinmux_setup(da830_cpgmac_pins);
if (ret)
pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
ret);
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index 999f69c9372b..3a9b6346c310 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -428,27 +428,6 @@ static struct davinci_clk da830_clks[] = {
CLK(NULL, NULL, NULL),
};
-#define PINMUX0 0x00
-#define PINMUX1 0x04
-#define PINMUX2 0x08
-#define PINMUX3 0x0c
-#define PINMUX4 0x10
-#define PINMUX5 0x14
-#define PINMUX6 0x18
-#define PINMUX7 0x1c
-#define PINMUX8 0x20
-#define PINMUX9 0x24
-#define PINMUX10 0x28
-#define PINMUX11 0x2c
-#define PINMUX12 0x30
-#define PINMUX13 0x34
-#define PINMUX14 0x38
-#define PINMUX15 0x3c
-#define PINMUX16 0x40
-#define PINMUX17 0x44
-#define PINMUX18 0x48
-#define PINMUX19 0x4c
-
/*
* Device specific mux setup
*
@@ -1036,20 +1015,6 @@ const short da830_eqep1_pins[] __initdata = {
-1
};
-int da830_pinmux_setup(const short pins[])
-{
- int i, error = -EINVAL;
-
- if (pins)
- for (i = 0; pins[i] >= 0; i++) {
- error = davinci_cfg_reg(pins[i]);
- if (error)
- break;
- }
-
- return error;
-}
-
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
static u8 da830_default_priorities[DA830_N_CP_INTC_IRQ] = {
[IRQ_DA8XX_COMMTX] = 7,
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 65b42431ddec..8c8dc135472c 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -37,6 +37,27 @@
#define DA8XX_GPIO_BASE 0x01e26000
#define DA8XX_PSC1_BASE 0x01e27000
+#define PINMUX0 0x00
+#define PINMUX1 0x04
+#define PINMUX2 0x08
+#define PINMUX3 0x0c
+#define PINMUX4 0x10
+#define PINMUX5 0x14
+#define PINMUX6 0x18
+#define PINMUX7 0x1c
+#define PINMUX8 0x20
+#define PINMUX9 0x24
+#define PINMUX10 0x28
+#define PINMUX11 0x2c
+#define PINMUX12 0x30
+#define PINMUX13 0x34
+#define PINMUX14 0x38
+#define PINMUX15 0x3c
+#define PINMUX16 0x40
+#define PINMUX17 0x44
+#define PINMUX18 0x48
+#define PINMUX19 0x4c
+
void __init da830_init(void);
int da8xx_register_edma(void);
@@ -72,6 +93,6 @@ extern const short da830_ecap2_pins[];
extern const short da830_eqep0_pins[];
extern const short da830_eqep1_pins[];
-int da830_pinmux_setup(const short pins[]);
+int da8xx_pinmux_setup(const short pins[]);
#endif /* __ASM_ARCH_DAVINCI_DA8XX_H */
diff --git a/arch/arm/mach-davinci/mux.c b/arch/arm/mach-davinci/mux.c
index d310f579aa85..898905e48946 100644
--- a/arch/arm/mach-davinci/mux.c
+++ b/arch/arm/mach-davinci/mux.c
@@ -91,3 +91,17 @@ int __init_or_module davinci_cfg_reg(const unsigned long index)
return 0;
}
EXPORT_SYMBOL(davinci_cfg_reg);
+
+int da8xx_pinmux_setup(const short pins[])
+{
+ int i, error = -EINVAL;
+
+ if (pins)
+ for (i = 0; pins[i] >= 0; i++) {
+ error = davinci_cfg_reg(pins[i]);
+ if (error)
+ break;
+ }
+
+ return error;
+}
--
GitLab
From efd911814e303e00e6ed44e747b113a8644efede Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Thu, 16 Jul 2009 19:58:53 +0400
Subject: [PATCH 324/742] davinci: DM646x: pass correct MUSB IRQs
DM646x has MUSB connected to IRQs 13 and 14 (unlike IRQ12 on other platforms),
so pass the correct IRQ resources with the platform device.
Signed-off-by: Dmitry Krivoschekov <dkrivoschekov@ru.mvista.com>
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/usb.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
index abedb6337182..06f55931620c 100644
--- a/arch/arm/mach-davinci/usb.c
+++ b/arch/arm/mach-davinci/usb.c
@@ -13,6 +13,7 @@
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
+#include <mach/cputype.h>
#define DAVINCI_USB_OTG_BASE 0x01C64000
@@ -64,6 +65,10 @@ static struct resource usb_resources[] = {
.start = IRQ_USBINT,
.flags = IORESOURCE_IRQ,
},
+ {
+ /* placeholder for the dedicated CPPI IRQ */
+ .flags = IORESOURCE_IRQ,
+ },
};
static u64 usb_dmamask = DMA_BIT_MASK(32);
@@ -84,6 +89,14 @@ void __init setup_usb(unsigned mA, unsigned potpgt_msec)
{
usb_data.power = mA / 2;
usb_data.potpgt = potpgt_msec / 2;
+
+ if (cpu_is_davinci_dm646x()) {
+ /* Override the defaults as DM6467 uses different IRQs. */
+ usb_dev.resource[1].start = IRQ_DM646X_USBINT;
+ usb_dev.resource[2].start = IRQ_DM646X_USBDMAINT;
+ } else /* other devices don't have dedicated CPPI IRQ */
+ usb_dev.num_resources = 2;
+
platform_device_register(&usb_dev);
}
--
GitLab
From e1a8d7e2ea7c971f750b1adf0e98c3c8ed002623 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 16 Jul 2009 06:41:54 -0400
Subject: [PATCH 325/742] davinci: Add base DA850/OMAP-L138 SoC support
The DA850/OMAP-L138 is a new SoC from TI in the same family as
DA830/OMAP-L137.
Major changes include better support for power management,
support for SATA devices and McBSP (same IP as DM644x).
DA850/OMAP-L138 documents are available at
http://focus.ti.com/docs/prod/folders/print/omap-l138.html.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/Kconfig | 5 +
arch/arm/mach-davinci/Makefile | 1 +
arch/arm/mach-davinci/da850.c | 600 +++++++++++++++++++
arch/arm/mach-davinci/include/mach/cputype.h | 8 +
arch/arm/mach-davinci/include/mach/da8xx.h | 7 +
arch/arm/mach-davinci/include/mach/irqs.h | 63 +-
arch/arm/mach-davinci/include/mach/mux.h | 28 +
arch/arm/mach-davinci/include/mach/psc.h | 3 +
8 files changed, 712 insertions(+), 3 deletions(-)
create mode 100644 arch/arm/mach-davinci/da850.c
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 646c569b75e7..1ee438ea9798 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -33,6 +33,11 @@ config ARCH_DAVINCI_DA830
select CP_INTC
select ARCH_DAVINCI_DA8XX
+config ARCH_DAVINCI_DA850
+ bool "DA850/OMAP-L138 based system"
+ select CP_INTC
+ select ARCH_DAVINCI_DA8XX
+
config ARCH_DAVINCI_DA8XX
bool
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index d183b11da460..5f8a661c35b3 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_ARCH_DAVINCI_DM355) += dm355.o devices.o
obj-$(CONFIG_ARCH_DAVINCI_DM646x) += dm646x.o devices.o
obj-$(CONFIG_ARCH_DAVINCI_DM365) += dm365.o devices.o
obj-$(CONFIG_ARCH_DAVINCI_DA830) += da830.o devices-da8xx.o
+obj-$(CONFIG_ARCH_DAVINCI_DA850) += da850.o devices-da8xx.o
obj-$(CONFIG_AINTC) += irq.o
obj-$(CONFIG_CP_INTC) += cp_intc.o
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
new file mode 100644
index 000000000000..332cf7fadb1f
--- /dev/null
+++ b/arch/arm/mach-davinci/da850.c
@@ -0,0 +1,600 @@
+/*
+ * TI DA850/OMAP-L138 chip specific setup
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Derived from: arch/arm/mach-davinci/da830.c
+ * Original Copyrights follow:
+ *
+ * 2009 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/clock.h>
+#include <mach/psc.h>
+#include <mach/mux.h>
+#include <mach/irqs.h>
+#include <mach/cputype.h>
+#include <mach/common.h>
+#include <mach/time.h>
+#include <mach/da8xx.h>
+
+#include "clock.h"
+#include "mux.h"
+
+#define DA850_PLL1_BASE 0x01e1a000
+#define DA850_TIMER64P2_BASE 0x01f0c000
+#define DA850_TIMER64P3_BASE 0x01f0d000
+
+#define DA850_REF_FREQ 24000000
+
+static struct pll_data pll0_data = {
+ .num = 1,
+ .phys_base = DA8XX_PLL0_BASE,
+ .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
+};
+
+static struct clk ref_clk = {
+ .name = "ref_clk",
+ .rate = DA850_REF_FREQ,
+};
+
+static struct clk pll0_clk = {
+ .name = "pll0",
+ .parent = &ref_clk,
+ .pll_data = &pll0_data,
+ .flags = CLK_PLL,
+};
+
+static struct clk pll0_aux_clk = {
+ .name = "pll0_aux_clk",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL | PRE_PLL,
+};
+
+static struct clk pll0_sysclk2 = {
+ .name = "pll0_sysclk2",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV2,
+};
+
+static struct clk pll0_sysclk3 = {
+ .name = "pll0_sysclk3",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV3,
+};
+
+static struct clk pll0_sysclk4 = {
+ .name = "pll0_sysclk4",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV4,
+};
+
+static struct clk pll0_sysclk5 = {
+ .name = "pll0_sysclk5",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV5,
+};
+
+static struct clk pll0_sysclk6 = {
+ .name = "pll0_sysclk6",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV6,
+};
+
+static struct clk pll0_sysclk7 = {
+ .name = "pll0_sysclk7",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV7,
+};
+
+static struct pll_data pll1_data = {
+ .num = 2,
+ .phys_base = DA850_PLL1_BASE,
+ .flags = PLL_HAS_POSTDIV,
+};
+
+static struct clk pll1_clk = {
+ .name = "pll1",
+ .parent = &ref_clk,
+ .pll_data = &pll1_data,
+ .flags = CLK_PLL,
+};
+
+static struct clk pll1_aux_clk = {
+ .name = "pll1_aux_clk",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL | PRE_PLL,
+};
+
+static struct clk pll1_sysclk2 = {
+ .name = "pll1_sysclk2",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV2,
+};
+
+static struct clk pll1_sysclk3 = {
+ .name = "pll1_sysclk3",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV3,
+};
+
+static struct clk pll1_sysclk4 = {
+ .name = "pll1_sysclk4",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV4,
+};
+
+static struct clk pll1_sysclk5 = {
+ .name = "pll1_sysclk5",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV5,
+};
+
+static struct clk pll1_sysclk6 = {
+ .name = "pll0_sysclk6",
+ .parent = &pll0_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV6,
+};
+
+static struct clk pll1_sysclk7 = {
+ .name = "pll1_sysclk7",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV7,
+};
+
+static struct clk i2c0_clk = {
+ .name = "i2c0",
+ .parent = &pll0_aux_clk,
+};
+
+static struct clk timerp64_0_clk = {
+ .name = "timer0",
+ .parent = &pll0_aux_clk,
+};
+
+static struct clk timerp64_1_clk = {
+ .name = "timer1",
+ .parent = &pll0_aux_clk,
+};
+
+static struct clk arm_rom_clk = {
+ .name = "arm_rom",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_ARM_RAM_ROM,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk tpcc0_clk = {
+ .name = "tpcc0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_TPCC,
+ .flags = ALWAYS_ENABLED | CLK_PSC,
+};
+
+static struct clk tptc0_clk = {
+ .name = "tptc0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_TPTC0,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk tptc1_clk = {
+ .name = "tptc1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_TPTC1,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk tpcc1_clk = {
+ .name = "tpcc1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA850_LPSC1_TPCC1,
+ .flags = CLK_PSC | ALWAYS_ENABLED,
+ .psc_ctlr = 1,
+};
+
+static struct clk tptc2_clk = {
+ .name = "tptc2",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA850_LPSC1_TPTC2,
+ .flags = ALWAYS_ENABLED,
+ .psc_ctlr = 1,
+};
+
+static struct clk uart0_clk = {
+ .name = "uart0",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_UART0,
+};
+
+static struct clk uart1_clk = {
+ .name = "uart1",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_UART1,
+ .psc_ctlr = 1,
+};
+
+static struct clk uart2_clk = {
+ .name = "uart2",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_UART2,
+ .psc_ctlr = 1,
+};
+
+static struct clk aintc_clk = {
+ .name = "aintc",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC0_AINTC,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk gpio_clk = {
+ .name = "gpio",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC1_GPIO,
+ .psc_ctlr = 1,
+};
+
+static struct clk i2c1_clk = {
+ .name = "i2c1",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC1_I2C,
+ .psc_ctlr = 1,
+};
+
+static struct clk emif3_clk = {
+ .name = "emif3",
+ .parent = &pll0_sysclk5,
+ .lpsc = DA8XX_LPSC1_EMIF3C,
+ .flags = ALWAYS_ENABLED,
+ .psc_ctlr = 1,
+};
+
+static struct clk arm_clk = {
+ .name = "arm",
+ .parent = &pll0_sysclk6,
+ .lpsc = DA8XX_LPSC0_ARM,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk rmii_clk = {
+ .name = "rmii",
+ .parent = &pll0_sysclk7,
+};
+
+static struct davinci_clk da850_clks[] = {
+ CLK(NULL, "ref", &ref_clk),
+ CLK(NULL, "pll0", &pll0_clk),
+ CLK(NULL, "pll0_aux", &pll0_aux_clk),
+ CLK(NULL, "pll0_sysclk2", &pll0_sysclk2),
+ CLK(NULL, "pll0_sysclk3", &pll0_sysclk3),
+ CLK(NULL, "pll0_sysclk4", &pll0_sysclk4),
+ CLK(NULL, "pll0_sysclk5", &pll0_sysclk5),
+ CLK(NULL, "pll0_sysclk6", &pll0_sysclk6),
+ CLK(NULL, "pll0_sysclk7", &pll0_sysclk7),
+ CLK(NULL, "pll1", &pll1_clk),
+ CLK(NULL, "pll1_aux", &pll1_aux_clk),
+ CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
+ CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
+ CLK(NULL, "pll1_sysclk4", &pll1_sysclk4),
+ CLK(NULL, "pll1_sysclk5", &pll1_sysclk5),
+ CLK(NULL, "pll1_sysclk6", &pll1_sysclk6),
+ CLK(NULL, "pll1_sysclk7", &pll1_sysclk7),
+ CLK("i2c_davinci.1", NULL, &i2c0_clk),
+ CLK(NULL, "timer0", &timerp64_0_clk),
+ CLK("watchdog", NULL, &timerp64_1_clk),
+ CLK(NULL, "arm_rom", &arm_rom_clk),
+ CLK(NULL, "tpcc0", &tpcc0_clk),
+ CLK(NULL, "tptc0", &tptc0_clk),
+ CLK(NULL, "tptc1", &tptc1_clk),
+ CLK(NULL, "tpcc1", &tpcc1_clk),
+ CLK(NULL, "tptc2", &tptc2_clk),
+ CLK(NULL, "uart0", &uart0_clk),
+ CLK(NULL, "uart1", &uart1_clk),
+ CLK(NULL, "uart2", &uart2_clk),
+ CLK(NULL, "aintc", &aintc_clk),
+ CLK(NULL, "gpio", &gpio_clk),
+ CLK("i2c_davinci.2", NULL, &i2c1_clk),
+ CLK(NULL, "emif3", &emif3_clk),
+ CLK(NULL, "arm", &arm_clk),
+ CLK(NULL, "rmii", &rmii_clk),
+ CLK(NULL, NULL, NULL),
+};
+
+/*
+ * Device specific mux setup
+ *
+ * soc description mux mode mode mux dbg
+ * reg offset mask mode
+ */
+static const struct mux_config da850_pins[] = {
+#ifdef CONFIG_DAVINCI_MUX
+ /* UART0 function */
+ MUX_CFG(DA850, NUART0_CTS, 3, 24, 15, 2, false)
+ MUX_CFG(DA850, NUART0_RTS, 3, 28, 15, 2, false)
+ MUX_CFG(DA850, UART0_RXD, 3, 16, 15, 2, false)
+ MUX_CFG(DA850, UART0_TXD, 3, 20, 15, 2, false)
+ /* UART1 function */
+ MUX_CFG(DA850, UART1_RXD, 4, 24, 15, 2, false)
+ MUX_CFG(DA850, UART1_TXD, 4, 28, 15, 2, false)
+ /* UART2 function */
+ MUX_CFG(DA850, UART2_RXD, 4, 16, 15, 2, false)
+ MUX_CFG(DA850, UART2_TXD, 4, 20, 15, 2, false)
+ /* I2C1 function */
+ MUX_CFG(DA850, I2C1_SCL, 4, 16, 15, 4, false)
+ MUX_CFG(DA850, I2C1_SDA, 4, 20, 15, 4, false)
+ /* I2C0 function */
+ MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false)
+ MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false)
+#endif
+};
+
+const short da850_uart0_pins[] __initdata = {
+ DA850_NUART0_CTS, DA850_NUART0_RTS, DA850_UART0_RXD, DA850_UART0_TXD,
+ -1
+};
+
+const short da850_uart1_pins[] __initdata = {
+ DA850_UART1_RXD, DA850_UART1_TXD,
+ -1
+};
+
+const short da850_uart2_pins[] __initdata = {
+ DA850_UART2_RXD, DA850_UART2_TXD,
+ -1
+};
+
+const short da850_i2c0_pins[] __initdata = {
+ DA850_I2C0_SDA, DA850_I2C0_SCL,
+ -1
+};
+
+const short da850_i2c1_pins[] __initdata = {
+ DA850_I2C1_SCL, DA850_I2C1_SDA,
+ -1
+};
+
+/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
+static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
+ [IRQ_DA8XX_COMMTX] = 7,
+ [IRQ_DA8XX_COMMRX] = 7,
+ [IRQ_DA8XX_NINT] = 7,
+ [IRQ_DA8XX_EVTOUT0] = 7,
+ [IRQ_DA8XX_EVTOUT1] = 7,
+ [IRQ_DA8XX_EVTOUT2] = 7,
+ [IRQ_DA8XX_EVTOUT3] = 7,
+ [IRQ_DA8XX_EVTOUT4] = 7,
+ [IRQ_DA8XX_EVTOUT5] = 7,
+ [IRQ_DA8XX_EVTOUT6] = 7,
+ [IRQ_DA8XX_EVTOUT6] = 7,
+ [IRQ_DA8XX_EVTOUT7] = 7,
+ [IRQ_DA8XX_CCINT0] = 7,
+ [IRQ_DA8XX_CCERRINT] = 7,
+ [IRQ_DA8XX_TCERRINT0] = 7,
+ [IRQ_DA8XX_AEMIFINT] = 7,
+ [IRQ_DA8XX_I2CINT0] = 7,
+ [IRQ_DA8XX_MMCSDINT0] = 7,
+ [IRQ_DA8XX_MMCSDINT1] = 7,
+ [IRQ_DA8XX_ALLINT0] = 7,
+ [IRQ_DA8XX_RTC] = 7,
+ [IRQ_DA8XX_SPINT0] = 7,
+ [IRQ_DA8XX_TINT12_0] = 7,
+ [IRQ_DA8XX_TINT34_0] = 7,
+ [IRQ_DA8XX_TINT12_1] = 7,
+ [IRQ_DA8XX_TINT34_1] = 7,
+ [IRQ_DA8XX_UARTINT0] = 7,
+ [IRQ_DA8XX_KEYMGRINT] = 7,
+ [IRQ_DA8XX_SECINT] = 7,
+ [IRQ_DA8XX_SECKEYERR] = 7,
+ [IRQ_DA850_MPUADDRERR0] = 7,
+ [IRQ_DA850_MPUPROTERR0] = 7,
+ [IRQ_DA850_IOPUADDRERR0] = 7,
+ [IRQ_DA850_IOPUPROTERR0] = 7,
+ [IRQ_DA850_IOPUADDRERR1] = 7,
+ [IRQ_DA850_IOPUPROTERR1] = 7,
+ [IRQ_DA850_IOPUADDRERR2] = 7,
+ [IRQ_DA850_IOPUPROTERR2] = 7,
+ [IRQ_DA850_BOOTCFG_ADDR_ERR] = 7,
+ [IRQ_DA850_BOOTCFG_PROT_ERR] = 7,
+ [IRQ_DA850_MPUADDRERR1] = 7,
+ [IRQ_DA850_MPUPROTERR1] = 7,
+ [IRQ_DA850_IOPUADDRERR3] = 7,
+ [IRQ_DA850_IOPUPROTERR3] = 7,
+ [IRQ_DA850_IOPUADDRERR4] = 7,
+ [IRQ_DA850_IOPUPROTERR4] = 7,
+ [IRQ_DA850_IOPUADDRERR5] = 7,
+ [IRQ_DA850_IOPUPROTERR5] = 7,
+ [IRQ_DA850_MIOPU_BOOTCFG_ERR] = 7,
+ [IRQ_DA8XX_CHIPINT0] = 7,
+ [IRQ_DA8XX_CHIPINT1] = 7,
+ [IRQ_DA8XX_CHIPINT2] = 7,
+ [IRQ_DA8XX_CHIPINT3] = 7,
+ [IRQ_DA8XX_TCERRINT1] = 7,
+ [IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7,
+ [IRQ_DA8XX_C0_RX_PULSE] = 7,
+ [IRQ_DA8XX_C0_TX_PULSE] = 7,
+ [IRQ_DA8XX_C0_MISC_PULSE] = 7,
+ [IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7,
+ [IRQ_DA8XX_C1_RX_PULSE] = 7,
+ [IRQ_DA8XX_C1_TX_PULSE] = 7,
+ [IRQ_DA8XX_C1_MISC_PULSE] = 7,
+ [IRQ_DA8XX_MEMERR] = 7,
+ [IRQ_DA8XX_GPIO0] = 7,
+ [IRQ_DA8XX_GPIO1] = 7,
+ [IRQ_DA8XX_GPIO2] = 7,
+ [IRQ_DA8XX_GPIO3] = 7,
+ [IRQ_DA8XX_GPIO4] = 7,
+ [IRQ_DA8XX_GPIO5] = 7,
+ [IRQ_DA8XX_GPIO6] = 7,
+ [IRQ_DA8XX_GPIO7] = 7,
+ [IRQ_DA8XX_GPIO8] = 7,
+ [IRQ_DA8XX_I2CINT1] = 7,
+ [IRQ_DA8XX_LCDINT] = 7,
+ [IRQ_DA8XX_UARTINT1] = 7,
+ [IRQ_DA8XX_MCASPINT] = 7,
+ [IRQ_DA8XX_ALLINT1] = 7,
+ [IRQ_DA8XX_SPINT1] = 7,
+ [IRQ_DA8XX_UHPI_INT1] = 7,
+ [IRQ_DA8XX_USB_INT] = 7,
+ [IRQ_DA8XX_IRQN] = 7,
+ [IRQ_DA8XX_RWAKEUP] = 7,
+ [IRQ_DA8XX_UARTINT2] = 7,
+ [IRQ_DA8XX_DFTSSINT] = 7,
+ [IRQ_DA8XX_EHRPWM0] = 7,
+ [IRQ_DA8XX_EHRPWM0TZ] = 7,
+ [IRQ_DA8XX_EHRPWM1] = 7,
+ [IRQ_DA8XX_EHRPWM1TZ] = 7,
+ [IRQ_DA850_SATAINT] = 7,
+ [IRQ_DA850_TINT12_2] = 7,
+ [IRQ_DA850_TINT34_2] = 7,
+ [IRQ_DA850_TINTALL_2] = 7,
+ [IRQ_DA8XX_ECAP0] = 7,
+ [IRQ_DA8XX_ECAP1] = 7,
+ [IRQ_DA8XX_ECAP2] = 7,
+ [IRQ_DA850_MMCSDINT0_1] = 7,
+ [IRQ_DA850_MMCSDINT1_1] = 7,
+ [IRQ_DA850_T12CMPINT0_2] = 7,
+ [IRQ_DA850_T12CMPINT1_2] = 7,
+ [IRQ_DA850_T12CMPINT2_2] = 7,
+ [IRQ_DA850_T12CMPINT3_2] = 7,
+ [IRQ_DA850_T12CMPINT4_2] = 7,
+ [IRQ_DA850_T12CMPINT5_2] = 7,
+ [IRQ_DA850_T12CMPINT6_2] = 7,
+ [IRQ_DA850_T12CMPINT7_2] = 7,
+ [IRQ_DA850_T12CMPINT0_3] = 7,
+ [IRQ_DA850_T12CMPINT1_3] = 7,
+ [IRQ_DA850_T12CMPINT2_3] = 7,
+ [IRQ_DA850_T12CMPINT3_3] = 7,
+ [IRQ_DA850_T12CMPINT4_3] = 7,
+ [IRQ_DA850_T12CMPINT5_3] = 7,
+ [IRQ_DA850_T12CMPINT6_3] = 7,
+ [IRQ_DA850_T12CMPINT7_3] = 7,
+ [IRQ_DA850_RPIINT] = 7,
+ [IRQ_DA850_VPIFINT] = 7,
+ [IRQ_DA850_CCINT1] = 7,
+ [IRQ_DA850_CCERRINT1] = 7,
+ [IRQ_DA850_TCERRINT2] = 7,
+ [IRQ_DA850_TINT12_3] = 7,
+ [IRQ_DA850_TINT34_3] = 7,
+ [IRQ_DA850_TINTALL_3] = 7,
+ [IRQ_DA850_MCBSP0RINT] = 7,
+ [IRQ_DA850_MCBSP0XINT] = 7,
+ [IRQ_DA850_MCBSP1RINT] = 7,
+ [IRQ_DA850_MCBSP1XINT] = 7,
+ [IRQ_DA8XX_ARMCLKSTOPREQ] = 7,
+};
+
+static struct map_desc da850_io_desc[] = {
+ {
+ .virtual = IO_VIRT,
+ .pfn = __phys_to_pfn(IO_PHYS),
+ .length = IO_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = DA8XX_CP_INTC_VIRT,
+ .pfn = __phys_to_pfn(DA8XX_CP_INTC_BASE),
+ .length = DA8XX_CP_INTC_SIZE,
+ .type = MT_DEVICE
+ },
+};
+
+static void __iomem *da850_psc_bases[] = {
+ IO_ADDRESS(DA8XX_PSC0_BASE),
+ IO_ADDRESS(DA8XX_PSC1_BASE),
+};
+
+/* Contents of JTAG ID register used to identify exact cpu type */
+static struct davinci_id da850_ids[] = {
+ {
+ .variant = 0x0,
+ .part_no = 0xb7d1,
+ .manufacturer = 0x017, /* 0x02f >> 1 */
+ .cpu_id = DAVINCI_CPU_ID_DA850,
+ .name = "da850/omap-l138",
+ },
+};
+
+static struct davinci_timer_instance da850_timer_instance[4] = {
+ {
+ .base = IO_ADDRESS(DA8XX_TIMER64P0_BASE),
+ .bottom_irq = IRQ_DA8XX_TINT12_0,
+ .top_irq = IRQ_DA8XX_TINT34_0,
+ },
+ {
+ .base = IO_ADDRESS(DA8XX_TIMER64P1_BASE),
+ .bottom_irq = IRQ_DA8XX_TINT12_1,
+ .top_irq = IRQ_DA8XX_TINT34_1,
+ },
+ {
+ .base = IO_ADDRESS(DA850_TIMER64P2_BASE),
+ .bottom_irq = IRQ_DA850_TINT12_2,
+ .top_irq = IRQ_DA850_TINT34_2,
+ },
+ {
+ .base = IO_ADDRESS(DA850_TIMER64P3_BASE),
+ .bottom_irq = IRQ_DA850_TINT12_3,
+ .top_irq = IRQ_DA850_TINT34_3,
+ },
+};
+
+/*
+ * T0_BOT: Timer 0, bottom : Used for clock_event
+ * T0_TOP: Timer 0, top : Used for clocksource
+ * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
+ */
+static struct davinci_timer_info da850_timer_info = {
+ .timers = da850_timer_instance,
+ .clockevent_id = T0_BOT,
+ .clocksource_id = T0_TOP,
+};
+
+static struct davinci_soc_info davinci_soc_info_da850 = {
+ .io_desc = da850_io_desc,
+ .io_desc_num = ARRAY_SIZE(da850_io_desc),
+ .jtag_id_base = IO_ADDRESS(DA8XX_JTAG_ID_REG),
+ .ids = da850_ids,
+ .ids_num = ARRAY_SIZE(da850_ids),
+ .cpu_clks = da850_clks,
+ .psc_bases = da850_psc_bases,
+ .psc_bases_num = ARRAY_SIZE(da850_psc_bases),
+ .pinmux_base = IO_ADDRESS(DA8XX_BOOT_CFG_BASE + 0x120),
+ .pinmux_pins = da850_pins,
+ .pinmux_pins_num = ARRAY_SIZE(da850_pins),
+ .intc_base = (void __iomem *)DA8XX_CP_INTC_VIRT,
+ .intc_type = DAVINCI_INTC_TYPE_CP_INTC,
+ .intc_irq_prios = da850_default_priorities,
+ .intc_irq_num = DA850_N_CP_INTC_IRQ,
+ .timer_info = &da850_timer_info,
+ .gpio_base = IO_ADDRESS(DA8XX_GPIO_BASE),
+ .gpio_num = 128,
+ .gpio_irq = IRQ_DA8XX_GPIO0,
+ .serial_dev = &da8xx_serial_device,
+ .emac_pdata = &da8xx_emac_pdata,
+};
+
+void __init da850_init(void)
+{
+ davinci_common_init(&davinci_soc_info_da850);
+}
diff --git a/arch/arm/mach-davinci/include/mach/cputype.h b/arch/arm/mach-davinci/include/mach/cputype.h
index fd41189e5c62..189b1ff13642 100644
--- a/arch/arm/mach-davinci/include/mach/cputype.h
+++ b/arch/arm/mach-davinci/include/mach/cputype.h
@@ -32,6 +32,7 @@ struct davinci_id {
#define DAVINCI_CPU_ID_DM355 0x03550000
#define DAVINCI_CPU_ID_DM365 0x03650000
#define DAVINCI_CPU_ID_DA830 0x08300000
+#define DAVINCI_CPU_ID_DA850 0x08500000
#define IS_DAVINCI_CPU(type, id) \
static inline int is_davinci_ ##type(void) \
@@ -44,6 +45,7 @@ IS_DAVINCI_CPU(dm646x, DAVINCI_CPU_ID_DM6467)
IS_DAVINCI_CPU(dm355, DAVINCI_CPU_ID_DM355)
IS_DAVINCI_CPU(dm365, DAVINCI_CPU_ID_DM365)
IS_DAVINCI_CPU(da830, DAVINCI_CPU_ID_DA830)
+IS_DAVINCI_CPU(da850, DAVINCI_CPU_ID_DA850)
#ifdef CONFIG_ARCH_DAVINCI_DM644x
#define cpu_is_davinci_dm644x() is_davinci_dm644x()
@@ -75,4 +77,10 @@ IS_DAVINCI_CPU(da830, DAVINCI_CPU_ID_DA830)
#define cpu_is_davinci_da830() 0
#endif
+#ifdef CONFIG_ARCH_DAVINCI_DA850
+#define cpu_is_davinci_da850() is_davinci_da850()
+#else
+#define cpu_is_davinci_da850() 0
+#endif
+
#endif
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 8c8dc135472c..594f9882e422 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -59,6 +59,7 @@
#define PINMUX19 0x4c
void __init da830_init(void);
+void __init da850_init(void);
int da8xx_register_edma(void);
int da8xx_register_i2c(int instance, struct davinci_i2c_platform_data *pdata);
@@ -93,6 +94,12 @@ extern const short da830_ecap2_pins[];
extern const short da830_eqep0_pins[];
extern const short da830_eqep1_pins[];
+extern const short da850_uart0_pins[];
+extern const short da850_uart1_pins[];
+extern const short da850_uart2_pins[];
+extern const short da850_i2c0_pins[];
+extern const short da850_i2c1_pins[];
+
int da8xx_pinmux_setup(const short pins[]);
#endif /* __ASM_ARCH_DAVINCI_DA8XX_H */
diff --git a/arch/arm/mach-davinci/include/mach/irqs.h b/arch/arm/mach-davinci/include/mach/irqs.h
index 735e378d27ee..6047c2d9da33 100644
--- a/arch/arm/mach-davinci/include/mach/irqs.h
+++ b/arch/arm/mach-davinci/include/mach/irqs.h
@@ -340,9 +340,66 @@
#define DA830_N_CP_INTC_IRQ 96
-/* da830 currently has the most gpio pins (128) */
+/* DA850 speicific interrupts */
+#define IRQ_DA850_MPUADDRERR0 27
+#define IRQ_DA850_MPUPROTERR0 27
+#define IRQ_DA850_IOPUADDRERR0 27
+#define IRQ_DA850_IOPUPROTERR0 27
+#define IRQ_DA850_IOPUADDRERR1 27
+#define IRQ_DA850_IOPUPROTERR1 27
+#define IRQ_DA850_IOPUADDRERR2 27
+#define IRQ_DA850_IOPUPROTERR2 27
+#define IRQ_DA850_BOOTCFG_ADDR_ERR 27
+#define IRQ_DA850_BOOTCFG_PROT_ERR 27
+#define IRQ_DA850_MPUADDRERR1 27
+#define IRQ_DA850_MPUPROTERR1 27
+#define IRQ_DA850_IOPUADDRERR3 27
+#define IRQ_DA850_IOPUPROTERR3 27
+#define IRQ_DA850_IOPUADDRERR4 27
+#define IRQ_DA850_IOPUPROTERR4 27
+#define IRQ_DA850_IOPUADDRERR5 27
+#define IRQ_DA850_IOPUPROTERR5 27
+#define IRQ_DA850_MIOPU_BOOTCFG_ERR 27
+#define IRQ_DA850_SATAINT 67
+#define IRQ_DA850_TINT12_2 68
+#define IRQ_DA850_TINT34_2 68
+#define IRQ_DA850_TINTALL_2 68
+#define IRQ_DA850_MMCSDINT0_1 72
+#define IRQ_DA850_MMCSDINT1_1 73
+#define IRQ_DA850_T12CMPINT0_2 74
+#define IRQ_DA850_T12CMPINT1_2 75
+#define IRQ_DA850_T12CMPINT2_2 76
+#define IRQ_DA850_T12CMPINT3_2 77
+#define IRQ_DA850_T12CMPINT4_2 78
+#define IRQ_DA850_T12CMPINT5_2 79
+#define IRQ_DA850_T12CMPINT6_2 80
+#define IRQ_DA850_T12CMPINT7_2 81
+#define IRQ_DA850_T12CMPINT0_3 82
+#define IRQ_DA850_T12CMPINT1_3 83
+#define IRQ_DA850_T12CMPINT2_3 84
+#define IRQ_DA850_T12CMPINT3_3 85
+#define IRQ_DA850_T12CMPINT4_3 86
+#define IRQ_DA850_T12CMPINT5_3 87
+#define IRQ_DA850_T12CMPINT6_3 88
+#define IRQ_DA850_T12CMPINT7_3 89
+#define IRQ_DA850_RPIINT 91
+#define IRQ_DA850_VPIFINT 92
+#define IRQ_DA850_CCINT1 93
+#define IRQ_DA850_CCERRINT1 94
+#define IRQ_DA850_TCERRINT2 95
+#define IRQ_DA850_TINT12_3 96
+#define IRQ_DA850_TINT34_3 96
+#define IRQ_DA850_TINTALL_3 96
+#define IRQ_DA850_MCBSP0RINT 97
+#define IRQ_DA850_MCBSP0XINT 98
+#define IRQ_DA850_MCBSP1RINT 99
+#define IRQ_DA850_MCBSP1XINT 100
+
+#define DA850_N_CP_INTC_IRQ 101
+
+/* da830/da850 currently has the most gpio pins (128) */
#define DAVINCI_N_GPIO 128
-/* da830 currently has the most irqs so use DA830_N_CP_INTC_IRQ */
-#define NR_IRQS (DA830_N_CP_INTC_IRQ + DAVINCI_N_GPIO)
+/* da850 currently has the most irqs so use DA850_N_CP_INTC_IRQ */
+#define NR_IRQS (DA850_N_CP_INTC_IRQ + DAVINCI_N_GPIO)
#endif /* __ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index cce7509ea302..3349fa5f82e1 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -704,6 +704,34 @@ enum da830_index {
DA830_GPIO2_10,
};
+enum davinci_da850_index {
+ /* UART0 function */
+ DA850_NUART0_CTS,
+ DA850_NUART0_RTS,
+ DA850_UART0_RXD,
+ DA850_UART0_TXD,
+
+ /* UART1 function */
+ DA850_NUART1_CTS,
+ DA850_NUART1_RTS,
+ DA850_UART1_RXD,
+ DA850_UART1_TXD,
+
+ /* UART2 function */
+ DA850_NUART2_CTS,
+ DA850_NUART2_RTS,
+ DA850_UART2_RXD,
+ DA850_UART2_TXD,
+
+ /* I2C1 function */
+ DA850_I2C1_SCL,
+ DA850_I2C1_SDA,
+
+ /* I2C0 function */
+ DA850_I2C0_SDA,
+ DA850_I2C0_SCL,
+};
+
#ifdef CONFIG_DAVINCI_MUX
/* setup pin muxing */
extern int davinci_cfg_reg(unsigned long reg_cfg);
diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index 6b9621d88284..171173c1dbad 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -155,6 +155,7 @@
#define DA8XX_LPSC0_GEM 15
/* PSC1 defines */
+#define DA850_LPSC1_TPCC1 0
#define DA8XX_LPSC1_USB20 1
#define DA8XX_LPSC1_USB11 2
#define DA8XX_LPSC1_GPIO 3
@@ -163,6 +164,7 @@
#define DA8XX_LPSC1_EMIF3C 6
#define DA8XX_LPSC1_McASP0 7
#define DA830_LPSC1_McASP1 8
+#define DA850_LPSC1_SATA 8
#define DA830_LPSC1_McASP2 9
#define DA8XX_LPSC1_SPI1 10
#define DA8XX_LPSC1_I2C 11
@@ -172,6 +174,7 @@
#define DA8XX_LPSC1_PWM 17
#define DA8XX_LPSC1_ECAP 20
#define DA830_LPSC1_EQEP 21
+#define DA850_LPSC1_TPTC2 21
#define DA8XX_LPSC1_SCR_P0_SS 24
#define DA8XX_LPSC1_SCR_P1_SS 25
#define DA8XX_LPSC1_CR_P3_SS 26
--
GitLab
From 0fbc5592158db4e1ca2037178e1ea6733ccc6f61 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 16 Jul 2009 06:42:18 -0400
Subject: [PATCH 326/742] davinci: Add support for DA850/OMAP-L138 EVM board
Add support for the DA850/OMAP-L138 Evaluation Module (EVM)
from TI. The EVM has User Interface (UI) card which contains
various devices. This UI card can be connected to the base
board. Support for all the devices on the UI card and ones on
the EVM will be added in subsequent patches.
The EVM schematics are not available publicly yet; but should
be available soon.
A new defconfig for this board has been added mainly because
the DA830/OMAP-L137 defconfig forces writethrough cache mode
which is not required on DA850/OMAP-L138.
This patch has been boot tested on DA850/OMAP-L138 EVM
using ramdisk as filesystem.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/configs/da850_omapl138_defconfig | 1229 +++++++++++++++++
arch/arm/mach-davinci/Kconfig | 7 +
arch/arm/mach-davinci/Makefile | 1 +
arch/arm/mach-davinci/board-da850-evm.c | 102 ++
.../mach-davinci/include/mach/debug-macro.S | 3 +-
.../mach-davinci/include/mach/uncompress.h | 3 +-
6 files changed, 1343 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/configs/da850_omapl138_defconfig
create mode 100644 arch/arm/mach-davinci/board-da850-evm.c
diff --git a/arch/arm/configs/da850_omapl138_defconfig b/arch/arm/configs/da850_omapl138_defconfig
new file mode 100644
index 000000000000..842a70b079bf
--- /dev/null
+++ b/arch/arm/configs/da850_omapl138_defconfig
@@ -0,0 +1,1229 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.30-davinci1
+# Mon Jun 29 07:54:15 2009
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ZONE_DMA=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_POSIX_MQUEUE_SYSCTL=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+# CONFIG_STRIP_ASM_SYMS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+CONFIG_COMPAT_BRK=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+CONFIG_ARCH_DAVINCI=y
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_W90X900 is not set
+CONFIG_CP_INTC=y
+
+#
+# TI DaVinci Implementations
+#
+
+#
+# DaVinci Core Type
+#
+# CONFIG_ARCH_DAVINCI_DM644x is not set
+# CONFIG_ARCH_DAVINCI_DM355 is not set
+# CONFIG_ARCH_DAVINCI_DM646x is not set
+# CONFIG_ARCH_DAVINCI_DA830 is not set
+CONFIG_ARCH_DAVINCI_DA850=y
+CONFIG_ARCH_DAVINCI_DA8XX=y
+# CONFIG_ARCH_DAVINCI_DM365 is not set
+
+#
+# DaVinci Board Type
+#
+CONFIG_MACH_DAVINCI_DA850_EVM=y
+CONFIG_DAVINCI_MUX=y
+# CONFIG_DAVINCI_MUX_DEBUG is not set
+# CONFIG_DAVINCI_MUX_WARNINGS is not set
+CONFIG_DAVINCI_RESET_CLOCKS=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_ARM926T=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5TJ=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_V4WB=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
+# CONFIG_CPU_CACHE_ROUND_ROBIN is not set
+# CONFIG_OUTER_CACHE is not set
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_HAS_HOLES_MEMORYMODEL is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_UNEVICTABLE_LRU=y
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_LEDS=y
+# CONFIG_LEDS_CPU is not set
+CONFIG_ALIGNMENT_TRAP=y
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE=""
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+CONFIG_INET_TUNNEL=m
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+CONFIG_IPV6=m
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+# CONFIG_INET6_AH is not set
+# CONFIG_INET6_ESP is not set
+# CONFIG_INET6_IPCOMP is not set
+# CONFIG_IPV6_MIP6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_NDISC_NODETYPE=y
+# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
+# CONFIG_NETWORK_SECMARK is not set
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+CONFIG_NETFILTER_ADVANCED=y
+
+#
+# Core Netfilter Configuration
+#
+# CONFIG_NETFILTER_NETLINK_QUEUE is not set
+# CONFIG_NETFILTER_NETLINK_LOG is not set
+# CONFIG_NF_CONNTRACK is not set
+# CONFIG_NETFILTER_XTABLES is not set
+# CONFIG_IP_VS is not set
+
+#
+# IP: Netfilter Configuration
+#
+# CONFIG_NF_DEFRAG_IPV4 is not set
+# CONFIG_IP_NF_QUEUE is not set
+# CONFIG_IP_NF_IPTABLES is not set
+# CONFIG_IP_NF_ARPTABLES is not set
+
+#
+# IPv6: Netfilter Configuration
+#
+# CONFIG_IP6_NF_QUEUE is not set
+# CONFIG_IP6_NF_IPTABLES is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=m
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=1
+CONFIG_BLK_DEV_RAM_SIZE=32768
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_ICS932S401 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+CONFIG_EEPROM_AT24=y
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=m
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=m
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+CONFIG_COMPAT_NET_DEV_OPS=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+CONFIG_TUN=m
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+CONFIG_LXT_PHY=y
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+CONFIG_LSI_ET1011C_PHY=y
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_TI_DAVINCI_EMAC is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+CONFIG_NETCONSOLE=y
+# CONFIG_NETCONSOLE_DYNAMIC is not set
+CONFIG_NETPOLL=y
+CONFIG_NETPOLL_TRAP=y
+CONFIG_NET_POLL_CONTROLLER=y
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=m
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=m
+CONFIG_INPUT_EVBUG=m
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=m
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+CONFIG_KEYBOARD_XTKBD=m
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_AD7879_I2C is not set
+# CONFIG_TOUCHSCREEN_AD7879 is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_TSC2007 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=y
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+# CONFIG_VT_CONSOLE is not set
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=3
+CONFIG_SERIAL_8250_RUNTIME_UARTS=3
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=m
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+CONFIG_I2C_DAVINCI=y
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_SPI is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+CONFIG_GPIO_PCF857X=m
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_DAVINCI_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_SOUND=m
+# CONFIG_SOUND_OSS_CORE is not set
+CONFIG_SND=m
+CONFIG_SND_TIMER=m
+CONFIG_SND_PCM=m
+CONFIG_SND_JACK=y
+# CONFIG_SND_SEQUENCER is not set
+# CONFIG_SND_MIXER_OSS is not set
+# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SND_HRTIMER is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+CONFIG_SND_DRIVERS=y
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+CONFIG_SND_ARM=y
+CONFIG_SND_SOC=m
+CONFIG_SND_DAVINCI_SOC=m
+CONFIG_SND_SOC_I2C_AND_SPI=m
+# CONFIG_SND_SOC_ALL_CODECS is not set
+# CONFIG_SOUND_PRIME is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_NEW_LEDS is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT4_FS is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_XFS_FS=m
+# CONFIG_XFS_QUOTA is not set
+# CONFIG_XFS_POSIX_ACL is not set
+# CONFIG_XFS_RT is not set
+# CONFIG_XFS_DEBUG is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+CONFIG_AUTOFS4_FS=m
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+CONFIG_MINIX_FS=m
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+CONFIG_ROOT_NFS=y
+CONFIG_NFSD=m
+CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
+# CONFIG_NFSD_V4 is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=m
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+# CONFIG_SYSV68_PARTITION is not set
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=m
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=m
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+CONFIG_TIMER_STATS=y
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+CONFIG_DEBUG_PREEMPT=y
+CONFIG_DEBUG_RT_MUTEXES=y
+CONFIG_DEBUG_PI_LIST=y
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+
+#
+# Tracers
+#
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_EVENT_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_TRACE_BRANCH_PROFILING is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_LL is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_MANAGER2 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+# CONFIG_CRYPTO_HW is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=m
+# CONFIG_CRC16 is not set
+CONFIG_CRC_T10DIF=m
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 1ee438ea9798..40866c643f13 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -101,6 +101,13 @@ config MACH_DAVINCI_DA830_EVM
help
Say Y here to select the TI DA830/OMAP-L137 Evaluation Module.
+config MACH_DAVINCI_DA850_EVM
+ bool "TI DA850/OMAP-L138 Reference Platform"
+ default ARCH_DAVINCI_DA850
+ depends on ARCH_DAVINCI_DA850
+ help
+ Say Y here to select the TI DA850/OMAP-L138 Evaluation Module.
+
config DAVINCI_MUX
bool "DAVINCI multiplexing support"
depends on ARCH_DAVINCI
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 5f8a661c35b3..2e11e847313b 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -28,3 +28,4 @@ obj-$(CONFIG_MACH_DM355_LEOPARD) += board-dm355-leopard.o
obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM) += board-dm646x-evm.o
obj-$(CONFIG_MACH_DAVINCI_DM365_EVM) += board-dm365-evm.o
obj-$(CONFIG_MACH_DAVINCI_DA830_EVM) += board-da830-evm.o
+obj-$(CONFIG_MACH_DAVINCI_DA850_EVM) += board-da850-evm.o
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
new file mode 100644
index 000000000000..eaa1fc1bc5f5
--- /dev/null
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -0,0 +1,102 @@
+/*
+ * TI DA850/OMAP-L138 EVM board
+ *
+ * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Derived from: arch/arm/mach-davinci/board-da830-evm.c
+ * Original Copyrights follow:
+ *
+ * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/console.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/common.h>
+#include <mach/irqs.h>
+#include <mach/cp_intc.h>
+#include <mach/da8xx.h>
+
+static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
+ .bus_freq = 100, /* kHz */
+ .bus_delay = 0, /* usec */
+};
+
+static struct davinci_uart_config da850_evm_uart_config __initdata = {
+ .enabled_uarts = 0x7,
+};
+
+static __init void da850_evm_init(void)
+{
+ int ret;
+
+ ret = da8xx_register_edma();
+ if (ret)
+ pr_warning("da850_evm_init: edma registration failed: %d\n",
+ ret);
+
+ ret = da8xx_pinmux_setup(da850_i2c0_pins);
+ if (ret)
+ pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
+ ret);
+
+ ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
+ if (ret)
+ pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
+ ret);
+
+ ret = da8xx_register_watchdog();
+ if (ret)
+ pr_warning("da830_evm_init: watchdog registration failed: %d\n",
+ ret);
+
+ davinci_serial_init(&da850_evm_uart_config);
+
+ /*
+ * shut down uart 0 and 1; they are not used on the board and
+ * accessing them causes endless "too much work in irq53" messages
+ * with arago fs
+ */
+ __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
+ __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
+}
+
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+static int __init da850_evm_console_init(void)
+{
+ return add_preferred_console("ttyS", 2, "115200");
+}
+console_initcall(da850_evm_console_init);
+#endif
+
+static __init void da850_evm_irq_init(void)
+{
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+ cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA850_N_CP_INTC_IRQ,
+ soc_info->intc_irq_prios);
+}
+
+static void __init da850_evm_map_io(void)
+{
+ da850_init();
+}
+
+MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM")
+ .phys_io = IO_PHYS,
+ .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
+ .boot_params = (DA8XX_DDR_BASE + 0x100),
+ .map_io = da850_evm_map_io,
+ .init_irq = da850_evm_irq_init,
+ .timer = &davinci_timer,
+ .init_machine = da850_evm_init,
+MACHINE_END
diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S
index 9d16277b233f..17ab5236da66 100644
--- a/arch/arm/mach-davinci/include/mach/debug-macro.S
+++ b/arch/arm/mach-davinci/include/mach/debug-macro.S
@@ -26,7 +26,8 @@
movne \rx, #0xfe000000 @ virtual base
#if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx)
#error Cannot enable DaVinci and DA8XX platforms concurrently
-#elif defined(CONFIG_MACH_DAVINCI_DA830_EVM)
+#elif defined(CONFIG_MACH_DAVINCI_DA830_EVM) || \
+ defined(CONFIG_MACH_DAVINCI_DA850_EVM)
orr \rx, \rx, #0x00d00000 @ physical base address
orr \rx, \rx, #0x0000d000 @ of UART 2
#else
diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
index 46a0c3171e35..33796b4db17f 100644
--- a/arch/arm/mach-davinci/include/mach/uncompress.h
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -21,7 +21,8 @@ static u32 *uart;
static u32 *get_uart_base(void)
{
- if (__machine_arch_type == MACH_TYPE_DAVINCI_DA830_EVM)
+ if (__machine_arch_type == MACH_TYPE_DAVINCI_DA830_EVM ||
+ __machine_arch_type == MACH_TYPE_DAVINCI_DA850_EVM)
return (u32 *)DA8XX_UART2_BASE;
else
return (u32 *)DAVINCI_UART0_BASE;
--
GitLab
From 5a4b131508236c0a59b8680f486c49e31881fe4e Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Fri, 17 Jul 2009 04:47:10 -0400
Subject: [PATCH 327/742] davinci: Add EMAC support for da850/omap-l138
Ethernet Media Access Controller (EMAC) on da850/omap-l138
supports 10/100 Mbps operation. It also supports Media
Independent Interface (MII) and Reduced Media Independent
Interface (RMII) to physical layer (PHY).
Phy which supports MII is present on the DA850/OMAP-L138
base board and Phy supporting RMII is present on the
UI card. This patch adds support only for the MII Phy.
Support for RMII Phy will be added later.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da850-evm.c | 18 +++++++++++++
arch/arm/mach-davinci/da850.c | 31 ++++++++++++++++++++++
arch/arm/mach-davinci/include/mach/da8xx.h | 1 +
arch/arm/mach-davinci/include/mach/mux.h | 17 ++++++++++++
4 files changed, 67 insertions(+)
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index eaa1fc1bc5f5..d98934629604 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -26,6 +26,9 @@
#include <mach/cp_intc.h>
#include <mach/da8xx.h>
+#define DA850_EVM_PHY_MASK 0x1
+#define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
+
static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
.bus_freq = 100, /* kHz */
.bus_delay = 0, /* usec */
@@ -37,6 +40,7 @@ static struct davinci_uart_config da850_evm_uart_config __initdata = {
static __init void da850_evm_init(void)
{
+ struct davinci_soc_info *soc_info = &davinci_soc_info;
int ret;
ret = da8xx_register_edma();
@@ -54,6 +58,20 @@ static __init void da850_evm_init(void)
pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
ret);
+ soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
+ soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
+ soc_info->emac_pdata->rmii_en = 0;
+
+ ret = da8xx_pinmux_setup(da850_cpgmac_pins);
+ if (ret)
+ pr_warning("da850_evm_init: cpgmac mux setup failed: %d\n",
+ ret);
+
+ ret = da8xx_register_emac();
+ if (ret)
+ pr_warning("da850_evm_init: emac registration failed: %d\n",
+ ret);
+
ret = da8xx_register_watchdog();
if (ret)
pr_warning("da830_evm_init: watchdog registration failed: %d\n",
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 332cf7fadb1f..4a43ae2bec09 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -283,6 +283,12 @@ static struct clk rmii_clk = {
.parent = &pll0_sysclk7,
};
+static struct clk emac_clk = {
+ .name = "emac",
+ .parent = &pll0_sysclk4,
+ .lpsc = DA8XX_LPSC1_CPGMAC,
+};
+
static struct davinci_clk da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
@@ -319,6 +325,7 @@ static struct davinci_clk da850_clks[] = {
CLK(NULL, "emif3", &emif3_clk),
CLK(NULL, "arm", &arm_clk),
CLK(NULL, "rmii", &rmii_clk),
+ CLK("davinci_emac.1", NULL, &emac_clk),
CLK(NULL, NULL, NULL),
};
@@ -347,6 +354,22 @@ static const struct mux_config da850_pins[] = {
/* I2C0 function */
MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false)
MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false)
+ /* EMAC function */
+ MUX_CFG(DA850, MII_TXEN, 2, 4, 15, 8, false)
+ MUX_CFG(DA850, MII_TXCLK, 2, 8, 15, 8, false)
+ MUX_CFG(DA850, MII_COL, 2, 12, 15, 8, false)
+ MUX_CFG(DA850, MII_TXD_3, 2, 16, 15, 8, false)
+ MUX_CFG(DA850, MII_TXD_2, 2, 20, 15, 8, false)
+ MUX_CFG(DA850, MII_TXD_1, 2, 24, 15, 8, false)
+ MUX_CFG(DA850, MII_TXD_0, 2, 28, 15, 8, false)
+ MUX_CFG(DA850, MII_RXCLK, 3, 0, 15, 8, false)
+ MUX_CFG(DA850, MII_RXDV, 3, 4, 15, 8, false)
+ MUX_CFG(DA850, MII_RXER, 3, 8, 15, 8, false)
+ MUX_CFG(DA850, MII_CRS, 3, 12, 15, 8, false)
+ MUX_CFG(DA850, MII_RXD_3, 3, 16, 15, 8, false)
+ MUX_CFG(DA850, MII_RXD_2, 3, 20, 15, 8, false)
+ MUX_CFG(DA850, MII_RXD_1, 3, 24, 15, 8, false)
+ MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false)
#endif
};
@@ -375,6 +398,14 @@ const short da850_i2c1_pins[] __initdata = {
-1
};
+const short da850_cpgmac_pins[] __initdata = {
+ DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
+ DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
+ DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
+ DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0,
+ -1
+};
+
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
[IRQ_DA8XX_COMMTX] = 7,
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 594f9882e422..a8cb5709848d 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -99,6 +99,7 @@ extern const short da850_uart1_pins[];
extern const short da850_uart2_pins[];
extern const short da850_i2c0_pins[];
extern const short da850_i2c1_pins[];
+extern const short da850_cpgmac_pins[];
int da8xx_pinmux_setup(const short pins[]);
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 3349fa5f82e1..368fca69197d 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -730,6 +730,23 @@ enum davinci_da850_index {
/* I2C0 function */
DA850_I2C0_SDA,
DA850_I2C0_SCL,
+
+ /* EMAC function */
+ DA850_MII_TXEN,
+ DA850_MII_TXCLK,
+ DA850_MII_COL,
+ DA850_MII_TXD_3,
+ DA850_MII_TXD_2,
+ DA850_MII_TXD_1,
+ DA850_MII_TXD_0,
+ DA850_MII_RXER,
+ DA850_MII_CRS,
+ DA850_MII_RXCLK,
+ DA850_MII_RXDV,
+ DA850_MII_RXD_3,
+ DA850_MII_RXD_2,
+ DA850_MII_RXD_1,
+ DA850_MII_RXD_0,
};
#ifdef CONFIG_DAVINCI_MUX
--
GitLab
From 10a1af384e8157fa2e3275d68346cceff1ad06ca Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Fri, 17 Jul 2009 08:28:26 -0700
Subject: [PATCH 328/742] davinci: Kconfig: update default defconfig
Updated default defconfig after da850 merge and 2.6.31-rc3 update.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/configs/davinci_all_defconfig | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/arch/arm/configs/davinci_all_defconfig b/arch/arm/configs/davinci_all_defconfig
index 8c669ae94e39..5aec768ed106 100644
--- a/arch/arm/configs/davinci_all_defconfig
+++ b/arch/arm/configs/davinci_all_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.31-rc2
-# Mon Jul 6 14:38:31 2009
+# Linux kernel version: 2.6.31-rc3-davinci1
+# Fri Jul 17 08:26:52 2009
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -200,6 +200,7 @@ CONFIG_ARCH_DAVINCI_DM644x=y
CONFIG_ARCH_DAVINCI_DM355=y
CONFIG_ARCH_DAVINCI_DM646x=y
# CONFIG_ARCH_DAVINCI_DA830 is not set
+# CONFIG_ARCH_DAVINCI_DA850 is not set
CONFIG_ARCH_DAVINCI_DM365=y
#
@@ -757,13 +758,14 @@ CONFIG_INPUT_EVBUG=m
#
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ATKBD=m
-# CONFIG_KEYBOARD_SUNKBD is not set
# CONFIG_KEYBOARD_LKKBD is not set
-CONFIG_KEYBOARD_XTKBD=m
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_LM8323 is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
-# CONFIG_KEYBOARD_LM8323 is not set
-CONFIG_KEYBOARD_GPIO=y
+# CONFIG_KEYBOARD_SUNKBD is not set
+CONFIG_KEYBOARD_XTKBD=m
# CONFIG_INPUT_MOUSE is not set
# CONFIG_INPUT_JOYSTICK is not set
# CONFIG_INPUT_TABLET is not set
@@ -1262,8 +1264,8 @@ CONFIG_USB_GADGET_SELECTED=y
# CONFIG_USB_GADGET_PXA25X is not set
# CONFIG_USB_GADGET_PXA27X is not set
# CONFIG_USB_GADGET_S3C_HSOTG is not set
-# CONFIG_USB_GADGET_S3C2410 is not set
# CONFIG_USB_GADGET_IMX is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
# CONFIG_USB_GADGET_M66592 is not set
# CONFIG_USB_GADGET_AMD5536UDC is not set
# CONFIG_USB_GADGET_FSL_QE is not set
--
GitLab
From 548197bdf02882db39b7563d26975e7549e6af03 Mon Sep 17 00:00:00 2001
From: Hemant Pedanekar <hemantp@ti.com>
Date: Fri, 17 Jul 2009 23:30:36 +0530
Subject: [PATCH 329/742] davinci: dm646x-evm: Add support for IDE
Controls ATA_RSTn and ATA_PWD through CPLD register 0 to enable ATA. An I2C
driver is added for the same. Calls ide init if enabled in configuration.
Signed-off-by: Hemant Pedanekar <hemantp@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm646x-evm.c | 59 ++++++++++++++++++++++++
1 file changed, 59 insertions(+)
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 0aa18df4110f..fa91520532ac 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -48,6 +48,17 @@
#include <mach/mmc.h>
#include <mach/emac.h>
+#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
+ defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
+#define HAS_ATA 1
+#else
+#define HAS_ATA 0
+#endif
+
+/* CPLD Register 0 bits to control ATA */
+#define DM646X_EVM_ATA_RST BIT(0)
+#define DM646X_EVM_ATA_PWD BIT(1)
+
#define DM646X_EVM_PHY_MASK (0x2)
#define DM646X_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
@@ -55,6 +66,47 @@ static struct davinci_uart_config uart_config __initdata = {
.enabled_uarts = (1 << 0),
};
+/* CPLD Register 0 Client: used for I/O Control */
+static int cpld_reg0_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ if (HAS_ATA) {
+ u8 data;
+ struct i2c_msg msg[2] = {
+ {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = &data,
+ },
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .len = 1,
+ .buf = &data,
+ },
+ };
+
+ /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
+ i2c_transfer(client->adapter, msg, 1);
+ data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
+ i2c_transfer(client->adapter, msg + 1, 1);
+ }
+
+ return 0;
+}
+
+static const struct i2c_device_id cpld_reg_ids[] = {
+ { "cpld_reg0", 0, },
+ { },
+};
+
+static struct i2c_driver dm6467evm_cpld_driver = {
+ .driver.name = "cpld_reg0",
+ .id_table = cpld_reg_ids,
+ .probe = cpld_reg0_probe,
+};
+
/* LEDS */
static struct gpio_led evm_leds[] = {
@@ -246,6 +298,9 @@ static struct i2c_board_info __initdata i2c_info[] = {
I2C_BOARD_INFO("pcf8574a", 0x38),
.platform_data = &pcf_data,
},
+ {
+ I2C_BOARD_INFO("cpld_reg0", 0x3a),
+ },
};
static struct davinci_i2c_platform_data i2c_pdata = {
@@ -256,6 +311,7 @@ static struct davinci_i2c_platform_data i2c_pdata = {
static void __init evm_init_i2c(void)
{
davinci_init_i2c(&i2c_pdata);
+ i2c_add_driver(&dm6467evm_cpld_driver);
i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
}
@@ -273,6 +329,9 @@ static __init void evm_init(void)
dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
+ if (HAS_ATA)
+ dm646x_init_ide();
+
soc_info->emac_pdata->phy_mask = DM646X_EVM_PHY_MASK;
soc_info->emac_pdata->mdio_max_freq = DM646X_EVM_MDIO_FREQUENCY;
}
--
GitLab
From 61aa07328d8e70d95a1e2325288df52a1e92a694 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Wed, 15 Jul 2009 08:47:48 -0700
Subject: [PATCH 330/742] davinci: audio clocks: use struct device instead of
clock names
There is no need to pass clock name strings in platform_data.
Instead, setup clkdev nodes to have correct ASoC device names.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm355-evm.c | 4 +---
arch/arm/mach-davinci/board-dm644x-evm.c | 4 +---
arch/arm/mach-davinci/board-dm646x-evm.c | 2 --
arch/arm/mach-davinci/dm355.c | 6 +++---
arch/arm/mach-davinci/dm644x.c | 2 +-
arch/arm/mach-davinci/dm646x.c | 4 ++--
arch/arm/mach-davinci/include/mach/asp.h | 1 -
7 files changed, 8 insertions(+), 15 deletions(-)
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index 4ef6dbeccf3c..38157f78e1a4 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -117,9 +117,7 @@ static struct davinci_i2c_platform_data i2c_pdata = {
.bus_delay = 0 /* usec */,
};
-static struct snd_platform_data dm355_evm_snd_data = {
- .clk_name = "asp1",
-};
+static struct snd_platform_data dm355_evm_snd_data;
static int dm355evm_mmc_gpios = -EINVAL;
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index d37f5c204b66..6a27c5db3282 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -225,9 +225,7 @@ static struct platform_device ide_dev = {
},
};
-static struct snd_platform_data dm644x_evm_snd_data = {
- .clk_name = "asp0",
-};
+static struct snd_platform_data dm644x_evm_snd_data;
/*----------------------------------------------------------------------*/
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index fa91520532ac..cb30afe22050 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -268,7 +268,6 @@ static u8 dm646x_dit_serializer_direction[] = {
static struct snd_platform_data dm646x_evm_snd_data[] = {
{
- .clk_name = "mcasp0",
.tx_dma_offset = 0x400,
.rx_dma_offset = 0x400,
.op_mode = DAVINCI_MCASP_IIS_MODE,
@@ -278,7 +277,6 @@ static struct snd_platform_data dm646x_evm_snd_data[] = {
.eventq_no = EVENTQ_0,
},
{
- .clk_name = "mcasp1",
.tx_dma_offset = 0x400,
.rx_dma_offset = 0,
.op_mode = DAVINCI_MCASP_DIT_MODE,
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index b4d709a8612a..3abeb3eb9b24 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -361,8 +361,8 @@ static struct davinci_clk dm355_clks[] = {
CLK(NULL, "uart1", &uart1_clk),
CLK(NULL, "uart2", &uart2_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
- CLK(NULL, "asp0", &asp0_clk),
- CLK(NULL, "asp1", &asp1_clk),
+ CLK("davinci-asp.0", NULL, &asp0_clk),
+ CLK("davinci-asp.1", NULL, &asp1_clk),
CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
CLK(NULL, "spi0", &spi0_clk),
@@ -648,7 +648,7 @@ static struct resource dm355_asp1_resources[] = {
static struct platform_device dm355_asp1_device = {
.name = "davinci-asp",
- .id = -1,
+ .id = 1,
.num_resources = ARRAY_SIZE(dm355_asp1_resources),
.resource = dm355_asp1_resources,
};
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 55317b1cf865..e554aa6c9a84 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -304,7 +304,7 @@ struct davinci_clk dm644x_clks[] = {
CLK("davinci_emac.1", NULL, &emac_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
CLK("palm_bk3710", NULL, &ide_clk),
- CLK(NULL, "asp0", &asp_clk),
+ CLK("davinci-asp", NULL, &asp_clk),
CLK("davinci_mmc.0", NULL, &mmcsd_clk),
CLK(NULL, "spi", &spi_clk),
CLK(NULL, "gpio", &gpio_clk),
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 3516f7699db2..8fa28039f27e 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -334,8 +334,8 @@ struct davinci_clk dm646x_clks[] = {
CLK(NULL, "uart2", &uart2_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
CLK(NULL, "gpio", &gpio_clk),
- CLK(NULL, "mcasp0", &mcasp0_clk),
- CLK(NULL, "mcasp1", &mcasp1_clk),
+ CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
+ CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
CLK(NULL, "aemif", &aemif_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
CLK(NULL, "pwm0", &pwm0_clk),
diff --git a/arch/arm/mach-davinci/include/mach/asp.h b/arch/arm/mach-davinci/include/mach/asp.h
index 038ecb7c231b..cdf1f4442330 100644
--- a/arch/arm/mach-davinci/include/mach/asp.h
+++ b/arch/arm/mach-davinci/include/mach/asp.h
@@ -33,7 +33,6 @@
#define DAVINCI_ASP1_TX_INT IRQ_MBXINT
struct snd_platform_data {
- char *clk_name;
u32 tx_dma_offset;
u32 rx_dma_offset;
enum dma_event_q eventq_no; /* event queue number */
--
GitLab
From 889c1e0dabcebe3aab3fb5aec3f506d7d614ec61 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Thu, 16 Jul 2009 06:59:42 -0700
Subject: [PATCH 331/742] davinci: Kconfig: add dm646x ASoC support
---
arch/arm/configs/davinci_all_defconfig | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/configs/davinci_all_defconfig b/arch/arm/configs/davinci_all_defconfig
index 5aec768ed106..ddffe39d9f87 100644
--- a/arch/arm/configs/davinci_all_defconfig
+++ b/arch/arm/configs/davinci_all_defconfig
@@ -1088,9 +1088,16 @@ CONFIG_SND_USB=y
# CONFIG_SND_USB_AUDIO is not set
# CONFIG_SND_USB_CAIAQ is not set
CONFIG_SND_SOC=m
-# CONFIG_SND_DAVINCI_SOC is not set
+CONFIG_SND_DAVINCI_SOC=m
+CONFIG_SND_DAVINCI_SOC_I2S=m
+CONFIG_SND_DAVINCI_SOC_MCASP=m
+CONFIG_SND_DAVINCI_SOC_EVM=m
+CONFIG_SND_DM6467_SOC_EVM=m
+# CONFIG_SND_DAVINCI_SOC_SFFSDR is not set
CONFIG_SND_SOC_I2C_AND_SPI=m
# CONFIG_SND_SOC_ALL_CODECS is not set
+CONFIG_SND_SOC_SPDIF=m
+CONFIG_SND_SOC_TLV320AIC3X=m
# CONFIG_SOUND_PRIME is not set
CONFIG_HID_SUPPORT=y
CONFIG_HID=m
--
GitLab
From 10eef5a8a08d8be455ae5f9599b214c33ad52340 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Mon, 27 Jul 2009 08:50:16 -0400
Subject: [PATCH 332/742] DaVinci: EDMA: Add queue 2 and 3 for DM365 and DM6467
DM365 and DM6467 have 4 queues. The patch updates the
'dma_event_q' enum to reflect this.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/include/mach/edma.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h
index a85cbedc9b0a..5d4896226460 100644
--- a/arch/arm/mach-davinci/include/mach/edma.h
+++ b/arch/arm/mach-davinci/include/mach/edma.h
@@ -210,6 +210,8 @@ enum fifo_width {
enum dma_event_q {
EVENTQ_0 = 0,
EVENTQ_1 = 1,
+ EVENTQ_2 = 2,
+ EVENTQ_3 = 3,
EVENTQ_DEFAULT = -1
};
--
GitLab
From a0f0202e2a19d43d733e07cb435a3064324c2ba7 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Mon, 27 Jul 2009 09:57:07 -0400
Subject: [PATCH 333/742] DaVinci: EDMA: Updating default queue handling
EDMA queues in DM365 are a little different than those
on other DaVinci's. On DM365 Q0 and Q1 have the larger
FIFO size. We want Q0 and Q1 to be used by codecs and
DVSDK demos.
MMC driver is the only driver which uses the flag
'EVENTQ_DEFAULT'. So MMC driver should be using Q2 instead of
Q1 on DM365.
This patch allows us to declare a "default queue" from
SOC specific code. If it is not declared then the EDMA
driver assumes a default of queue 1.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm365.c | 1 +
arch/arm/mach-davinci/dma.c | 7 ++++++-
arch/arm/mach-davinci/include/mach/edma.h | 1 +
3 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index f02bce8eeba4..aa3b0bbdda73 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -741,6 +741,7 @@ static struct edma_soc_info dm365_edma_info[] = {
.n_cc = 1,
.queue_tc_mapping = dm365_queue_tc_mapping,
.queue_priority_mapping = dm365_queue_priority_mapping,
+ .default_queue = EVENTQ_2,
},
};
diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index 5908f7717b29..e6d7e6aca336 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -225,6 +225,7 @@ struct edma {
unsigned num_slots;
unsigned num_tc;
unsigned num_cc;
+ enum dma_event_q default_queue;
/* list of channels with no even trigger; terminated by "-1" */
const s8 *noevent;
@@ -267,7 +268,7 @@ static void map_dmach_queue(unsigned ctlr, unsigned ch_no,
/* default to low priority queue */
if (queue_no == EVENTQ_DEFAULT)
- queue_no = EVENTQ_1;
+ queue_no = edma_info[ctlr]->default_queue;
queue_no &= 7;
edma_modify_array(ctlr, EDMA_DMAQNUM, (ch_no >> 3),
@@ -1249,6 +1250,10 @@ static int __init edma_probe(struct platform_device *pdev)
edma_info[j]->num_cc = min_t(unsigned, info[j].n_cc,
EDMA_MAX_CC);
+ edma_info[j]->default_queue = info[j].default_queue;
+ if (!edma_info[j]->default_queue)
+ edma_info[j]->default_queue = EVENTQ_1;
+
dev_dbg(&pdev->dev, "DMA REG BASE ADDR=%p\n",
edmacc_regs_base[j]);
diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h
index 5d4896226460..3c7dc2db70e4 100644
--- a/arch/arm/mach-davinci/include/mach/edma.h
+++ b/arch/arm/mach-davinci/include/mach/edma.h
@@ -271,6 +271,7 @@ struct edma_soc_info {
unsigned n_slot;
unsigned n_tc;
unsigned n_cc;
+ enum dma_event_q default_queue;
/* list of channels with no even trigger; terminated by "-1" */
const s8 *noevent;
--
GitLab
From 866d286953c359e7b1fc0b8d04254d144a11be68 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Mon, 3 Aug 2009 13:58:24 -0400
Subject: [PATCH 334/742] DaVinci: DM365: Fix Compilation issue due to PINMUX
entry
The mask can hold only 8 bit values. This gave a
compilation warning. This patch rectifies the warning.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm365.c | 3 ++-
arch/arm/mach-davinci/include/mach/mux.h | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index aa3b0bbdda73..0a33e128f3f7 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -582,7 +582,8 @@ MUX_CFG(DM365, VOUT_COUTH_EN, 1, 8, 0xff, 0x55, false)
MUX_CFG(DM365, VIN_CAM_WEN, 0, 14, 3, 0, false)
MUX_CFG(DM365, VIN_CAM_VD, 0, 13, 1, 0, false)
MUX_CFG(DM365, VIN_CAM_HD, 0, 12, 1, 0, false)
-MUX_CFG(DM365, VIN_YIN_EN, 0, 0, 0xfff, 0, false)
+MUX_CFG(DM365, VIN_YIN4_7_EN, 0, 0, 0xff, 0, false)
+MUX_CFG(DM365, VIN_YIN0_3_EN, 0, 8, 0xf, 0, false)
INT_CFG(DM365, INT_EDMA_CC, 2, 1, 1, false)
INT_CFG(DM365, INT_EDMA_TC0_ERR, 3, 1, 1, false)
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 368fca69197d..a676b2f47aab 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -280,7 +280,8 @@ enum davinci_dm365_index {
DM365_VIN_CAM_WEN,
DM365_VIN_CAM_VD,
DM365_VIN_CAM_HD,
- DM365_VIN_YIN_EN,
+ DM365_VIN_YIN4_7_EN,
+ DM365_VIN_YIN0_3_EN,
/* IRQ muxing */
DM365_INT_EDMA_CC,
--
GitLab
From cc36e97b0b33d9041928e4db45654223a59c1a75 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Fri, 7 Aug 2009 13:19:45 -0400
Subject: [PATCH 335/742] DaVinci: DM365: Add Support for new Revision of
silicon
DM365 RBL has been updated. The variant number has changed for this
new revision of silicon. This patch adds support for the
new revision of DM365.
The name fields are also being updated to reflect the version
of the silicon.
Without this minor fix DM365 REV 1.2 will not boot up
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm365.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 0a33e128f3f7..f8bac9486b09 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -821,7 +821,14 @@ static struct davinci_id dm365_ids[] = {
.part_no = 0xb83e,
.manufacturer = 0x017,
.cpu_id = DAVINCI_CPU_ID_DM365,
- .name = "dm365",
+ .name = "dm365_rev1.1",
+ },
+ {
+ .variant = 0x8,
+ .part_no = 0xb83e,
+ .manufacturer = 0x017,
+ .cpu_id = DAVINCI_CPU_ID_DM365,
+ .name = "dm365_rev1.2",
},
};
--
GitLab
From 53ca5c916971f72262ef37287e17f0a7d980362c Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Tue, 11 Aug 2009 11:10:50 -0400
Subject: [PATCH 336/742] davinci: Configure MDIO pins for EMAC
Earlier patch which adds EMAC support for da850/omap-l138
was not configuring the MDIO pins.
Ethernet was working fine with the earlier patch, because
the MDIO pins were configured from the boot loader. This
patch removes that dependency.
Also, this patch populates a member in the emac clk structure
to say that EMAC LPSC sits on controller 1.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/da850.c | 6 +++++-
arch/arm/mach-davinci/include/mach/mux.h | 2 ++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 4a43ae2bec09..22205a3727a7 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -287,6 +287,7 @@ static struct clk emac_clk = {
.name = "emac",
.parent = &pll0_sysclk4,
.lpsc = DA8XX_LPSC1_CPGMAC,
+ .psc_ctlr = 1,
};
static struct davinci_clk da850_clks[] = {
@@ -370,6 +371,8 @@ static const struct mux_config da850_pins[] = {
MUX_CFG(DA850, MII_RXD_2, 3, 20, 15, 8, false)
MUX_CFG(DA850, MII_RXD_1, 3, 24, 15, 8, false)
MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false)
+ MUX_CFG(DA850, MDIO_CLK, 4, 0, 15, 8, false)
+ MUX_CFG(DA850, MDIO_D, 4, 4, 15, 8, false)
#endif
};
@@ -402,7 +405,8 @@ const short da850_cpgmac_pins[] __initdata = {
DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
- DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0,
+ DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
+ DA850_MDIO_D,
-1
};
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index a676b2f47aab..8676680fc5b6 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -748,6 +748,8 @@ enum davinci_da850_index {
DA850_MII_RXD_2,
DA850_MII_RXD_1,
DA850_MII_RXD_0,
+ DA850_MDIO_CLK,
+ DA850_MDIO_D,
};
#ifdef CONFIG_DAVINCI_MUX
--
GitLab
From 5a8d5441f4aac3ef0478d5de723422304c611926 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Tue, 11 Aug 2009 16:14:21 -0400
Subject: [PATCH 337/742] davinci: Correct the number of GPIO pins for
da850/omap-l138
DA850/OMAP-L138 has 144 pins configurable as GPIO, but
currently this has been configured as 128. This patch
corrects it.
Also, this patch adds the base address for GPIO pins
greater than 128.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/da850.c | 2 +-
arch/arm/mach-davinci/include/mach/gpio.h | 2 ++
arch/arm/mach-davinci/include/mach/irqs.h | 4 ++--
3 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 22205a3727a7..c5efc515df4f 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -623,7 +623,7 @@ static struct davinci_soc_info davinci_soc_info_da850 = {
.intc_irq_num = DA850_N_CP_INTC_IRQ,
.timer_info = &da850_timer_info,
.gpio_base = IO_ADDRESS(DA8XX_GPIO_BASE),
- .gpio_num = 128,
+ .gpio_num = 144,
.gpio_irq = IRQ_DA8XX_GPIO0,
.serial_dev = &da8xx_serial_device,
.emac_pdata = &da8xx_emac_pdata,
diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h
index ebcc29babeae..4f032b38cd6e 100644
--- a/arch/arm/mach-davinci/include/mach/gpio.h
+++ b/arch/arm/mach-davinci/include/mach/gpio.h
@@ -78,6 +78,8 @@ __gpio_to_controller(unsigned gpio)
ptr = base + 0x60;
else if (gpio < 32 * 4)
ptr = base + 0x88;
+ else if (gpio < 32 * 5)
+ ptr = base + 0xb0;
else
ptr = NULL;
return ptr;
diff --git a/arch/arm/mach-davinci/include/mach/irqs.h b/arch/arm/mach-davinci/include/mach/irqs.h
index 6047c2d9da33..7f755cc387e5 100644
--- a/arch/arm/mach-davinci/include/mach/irqs.h
+++ b/arch/arm/mach-davinci/include/mach/irqs.h
@@ -397,8 +397,8 @@
#define DA850_N_CP_INTC_IRQ 101
-/* da830/da850 currently has the most gpio pins (128) */
-#define DAVINCI_N_GPIO 128
+/* da850 currently has the most gpio pins (144) */
+#define DAVINCI_N_GPIO 144
/* da850 currently has the most irqs so use DA850_N_CP_INTC_IRQ */
#define NR_IRQS (DA850_N_CP_INTC_IRQ + DAVINCI_N_GPIO)
--
GitLab
From e33ef5e3b368b31705d3024ee6a326f2a85a78fb Mon Sep 17 00:00:00 2001
From: Chaithrika U S <chaithrika@ti.com>
Date: Tue, 11 Aug 2009 17:01:59 -0400
Subject: [PATCH 338/742] davinci: Audio support for DA830 EVM
Define resources for McASP1 used on DA830/OMAP-L137 EVM, add platform
device defintion, initialization function. Additionally, this patch
also adds version and FIFO related members to platform data structure.
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da830-evm.c | 27 ++++++++++++++++
arch/arm/mach-davinci/da830.c | 7 +++--
arch/arm/mach-davinci/devices-da8xx.c | 36 ++++++++++++++++++++++
arch/arm/mach-davinci/include/mach/asp.h | 15 +++++++++
arch/arm/mach-davinci/include/mach/da8xx.h | 3 ++
5 files changed, 85 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 90256693b8d8..a45340de7465 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -23,6 +23,7 @@
#include <mach/irqs.h>
#include <mach/cp_intc.h>
#include <mach/da8xx.h>
+#include <mach/asp.h>
#define DA830_EVM_PHY_MASK 0x0
#define DA830_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
@@ -51,6 +52,25 @@ static struct davinci_uart_config da830_evm_uart_config __initdata = {
.enabled_uarts = 0x7,
};
+static u8 da830_iis_serializer_direction[] = {
+ RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
+ INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE,
+ INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
+};
+
+static struct snd_platform_data da830_evm_snd_data = {
+ .tx_dma_offset = 0x2000,
+ .rx_dma_offset = 0x2000,
+ .op_mode = DAVINCI_MCASP_IIS_MODE,
+ .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
+ .tdm_slots = 2,
+ .serial_dir = da830_iis_serializer_direction,
+ .eventq_no = EVENTQ_0,
+ .version = MCASP_VERSION_2,
+ .txnumevt = 1,
+ .rxnumevt = 1,
+};
+
static __init void da830_evm_init(void)
{
struct davinci_soc_info *soc_info = &davinci_soc_info;
@@ -93,6 +113,13 @@ static __init void da830_evm_init(void)
davinci_serial_init(&da830_evm_uart_config);
i2c_register_board_info(1, da830_evm_i2c_devices,
ARRAY_SIZE(da830_evm_i2c_devices));
+
+ ret = da8xx_pinmux_setup(da830_mcasp1_pins);
+ if (ret)
+ pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
+ ret);
+
+ da8xx_init_mcasp(1, &da830_evm_snd_data);
}
#ifdef CONFIG_SERIAL_8250_CONSOLE
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index 3a9b6346c310..19b2748357fc 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -23,6 +23,7 @@
#include <mach/common.h>
#include <mach/time.h>
#include <mach/da8xx.h>
+#include <mach/asp.h>
#include "clock.h"
#include "mux.h"
@@ -411,9 +412,9 @@ static struct davinci_clk da830_clks[] = {
CLK("eqep.0", NULL, &eqep0_clk),
CLK("eqep.1", NULL, &eqep1_clk),
CLK("da830_lcdc", NULL, &lcdc_clk),
- CLK("soc-audio.0", NULL, &mcasp0_clk),
- CLK("soc-audio.1", NULL, &mcasp1_clk),
- CLK("soc-audio.2", NULL, &mcasp2_clk),
+ CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
+ CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
+ CLK("davinci-mcasp.2", NULL, &mcasp2_clk),
CLK("musb_hdrc", NULL, &usb20_clk),
CLK(NULL, "aemif", &aemif_clk),
CLK(NULL, "aintc", &aintc_clk),
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 11c0971e13a6..fe0baafcf610 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -281,7 +281,43 @@ static struct platform_device da8xx_emac_device = {
.resource = da8xx_emac_resources,
};
+static struct resource da830_mcasp1_resources[] = {
+ {
+ .name = "mcasp1",
+ .start = DAVINCI_DA830_MCASP1_REG_BASE,
+ .end = DAVINCI_DA830_MCASP1_REG_BASE + (SZ_1K * 12) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ /* TX event */
+ {
+ .start = DAVINCI_DA830_DMA_MCASP1_AXEVT,
+ .end = DAVINCI_DA830_DMA_MCASP1_AXEVT,
+ .flags = IORESOURCE_DMA,
+ },
+ /* RX event */
+ {
+ .start = DAVINCI_DA830_DMA_MCASP1_AREVT,
+ .end = DAVINCI_DA830_DMA_MCASP1_AREVT,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device da830_mcasp1_device = {
+ .name = "davinci-mcasp",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(da830_mcasp1_resources),
+ .resource = da830_mcasp1_resources,
+};
+
int __init da8xx_register_emac(void)
{
return platform_device_register(&da8xx_emac_device);
}
+
+void __init da8xx_init_mcasp(int id, struct snd_platform_data *pdata)
+{
+ if (id == 1) { /* DA830/OMAP-L137 has 3 instances of McASP */
+ da830_mcasp1_device.dev.platform_data = pdata;
+ platform_device_register(&da830_mcasp1_device);
+ }
+}
diff --git a/arch/arm/mach-davinci/include/mach/asp.h b/arch/arm/mach-davinci/include/mach/asp.h
index cdf1f4442330..f3c97ac3425c 100644
--- a/arch/arm/mach-davinci/include/mach/asp.h
+++ b/arch/arm/mach-davinci/include/mach/asp.h
@@ -15,6 +15,9 @@
#define DAVINCI_DM646X_MCASP0_REG_BASE 0x01D01000
#define DAVINCI_DM646X_MCASP1_REG_BASE 0x01D01800
+/* Bases of da830 McASP1 register banks */
+#define DAVINCI_DA830_MCASP1_REG_BASE 0x01D04000
+
/* EDMA channels of dm644x and dm355 */
#define DAVINCI_DMA_ASP0_TX 2
#define DAVINCI_DMA_ASP0_RX 3
@@ -26,6 +29,10 @@
#define DAVINCI_DM646X_DMA_MCASP0_AREVT0 9
#define DAVINCI_DM646X_DMA_MCASP1_AXEVT1 12
+/* EDMA channels of da830 McASP1 */
+#define DAVINCI_DA830_DMA_MCASP1_AREVT 2
+#define DAVINCI_DA830_DMA_MCASP1_AXEVT 3
+
/* Interrupts */
#define DAVINCI_ASP0_RX_INT IRQ_MBRINT
#define DAVINCI_ASP0_TX_INT IRQ_MBXINT
@@ -43,6 +50,14 @@ struct snd_platform_data {
u8 op_mode;
u8 num_serializer;
u8 *serial_dir;
+ u8 version;
+ u8 txnumevt;
+ u8 rxnumevt;
+};
+
+enum {
+ MCASP_VERSION_1 = 0, /* DM646x */
+ MCASP_VERSION_2, /* DA8xx/OMAPL1x */
};
#define INACTIVE_MODE 0
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index a8cb5709848d..30c5c407ea85 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -15,6 +15,7 @@
#include <mach/edma.h>
#include <mach/i2c.h>
#include <mach/emac.h>
+#include <mach/asp.h>
/*
* The cp_intc interrupt controller for the da8xx isn't in the same
@@ -65,6 +66,7 @@ int da8xx_register_edma(void);
int da8xx_register_i2c(int instance, struct davinci_i2c_platform_data *pdata);
int da8xx_register_watchdog(void);
int da8xx_register_emac(void);
+void __init da8xx_init_mcasp(int id, struct snd_platform_data *pdata);
extern struct platform_device da8xx_serial_device;
extern struct emac_platform_data da8xx_emac_pdata;
@@ -100,6 +102,7 @@ extern const short da850_uart2_pins[];
extern const short da850_i2c0_pins[];
extern const short da850_i2c1_pins[];
extern const short da850_cpgmac_pins[];
+extern const short da850_mcasp_pins[];
int da8xx_pinmux_setup(const short pins[]);
--
GitLab
From 491214e1f8129844289869bb6c231dc4542b11e3 Mon Sep 17 00:00:00 2001
From: Chaithrika U S <chaithrika@ti.com>
Date: Tue, 11 Aug 2009 17:03:25 -0400
Subject: [PATCH 339/742] davinci: Audio support for DA850/OMAP-L138 EVM
Define resources for McASP used on DA850/OMAP-L138 EVM, add platform
device defintion and Pin Mux configurations.
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da850-evm.c | 29 ++++++++++++++++++
arch/arm/mach-davinci/da850.c | 39 ++++++++++++++++++++++++
arch/arm/mach-davinci/devices-da8xx.c | 34 ++++++++++++++++++++-
arch/arm/mach-davinci/include/mach/asp.h | 7 +++++
arch/arm/mach-davinci/include/mach/mux.h | 25 +++++++++++++++
5 files changed, 133 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index d98934629604..52bfe4cba25c 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -38,6 +38,28 @@ static struct davinci_uart_config da850_evm_uart_config __initdata = {
.enabled_uarts = 0x7,
};
+/* davinci da850 evm audio machine driver */
+static u8 da850_iis_serializer_direction[] = {
+ INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
+ INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
+ INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, TX_MODE,
+ RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
+};
+
+static struct snd_platform_data da850_evm_snd_data = {
+ .tx_dma_offset = 0x2000,
+ .rx_dma_offset = 0x2000,
+ .op_mode = DAVINCI_MCASP_IIS_MODE,
+ .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
+ .tdm_slots = 2,
+ .serial_dir = da850_iis_serializer_direction,
+ .eventq_no = EVENTQ_1,
+ .version = MCASP_VERSION_2,
+ .txnumevt = 1,
+ .rxnumevt = 1,
+};
+
+
static __init void da850_evm_init(void)
{
struct davinci_soc_info *soc_info = &davinci_soc_info;
@@ -86,6 +108,13 @@ static __init void da850_evm_init(void)
*/
__raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
__raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
+
+ ret = da8xx_pinmux_setup(da850_mcasp_pins);
+ if (ret)
+ pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
+ ret);
+
+ da8xx_init_mcasp(0, &da850_evm_snd_data);
}
#ifdef CONFIG_SERIAL_8250_CONSOLE
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index c5efc515df4f..e440c09c5576 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -290,6 +290,13 @@ static struct clk emac_clk = {
.psc_ctlr = 1,
};
+static struct clk mcasp_clk = {
+ .name = "mcasp",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_McASP0,
+ .psc_ctlr = 1,
+};
+
static struct davinci_clk da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
@@ -327,6 +334,7 @@ static struct davinci_clk da850_clks[] = {
CLK(NULL, "arm", &arm_clk),
CLK(NULL, "rmii", &rmii_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
+ CLK("davinci-mcasp.0", NULL, &mcasp_clk),
CLK(NULL, NULL, NULL),
};
@@ -373,6 +381,30 @@ static const struct mux_config da850_pins[] = {
MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false)
MUX_CFG(DA850, MDIO_CLK, 4, 0, 15, 8, false)
MUX_CFG(DA850, MDIO_D, 4, 4, 15, 8, false)
+ /* McASP function */
+ MUX_CFG(DA850, ACLKR, 0, 0, 15, 1, false)
+ MUX_CFG(DA850, ACLKX, 0, 4, 15, 1, false)
+ MUX_CFG(DA850, AFSR, 0, 8, 15, 1, false)
+ MUX_CFG(DA850, AFSX, 0, 12, 15, 1, false)
+ MUX_CFG(DA850, AHCLKR, 0, 16, 15, 1, false)
+ MUX_CFG(DA850, AHCLKX, 0, 20, 15, 1, false)
+ MUX_CFG(DA850, AMUTE, 0, 24, 15, 1, false)
+ MUX_CFG(DA850, AXR_15, 1, 0, 15, 1, false)
+ MUX_CFG(DA850, AXR_14, 1, 4, 15, 1, false)
+ MUX_CFG(DA850, AXR_13, 1, 8, 15, 1, false)
+ MUX_CFG(DA850, AXR_12, 1, 12, 15, 1, false)
+ MUX_CFG(DA850, AXR_11, 1, 16, 15, 1, false)
+ MUX_CFG(DA850, AXR_10, 1, 20, 15, 1, false)
+ MUX_CFG(DA850, AXR_9, 1, 24, 15, 1, false)
+ MUX_CFG(DA850, AXR_8, 1, 28, 15, 1, false)
+ MUX_CFG(DA850, AXR_7, 2, 0, 15, 1, false)
+ MUX_CFG(DA850, AXR_6, 2, 4, 15, 1, false)
+ MUX_CFG(DA850, AXR_5, 2, 8, 15, 1, false)
+ MUX_CFG(DA850, AXR_4, 2, 12, 15, 1, false)
+ MUX_CFG(DA850, AXR_3, 2, 16, 15, 1, false)
+ MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false)
+ MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false)
+ MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false)
#endif
};
@@ -410,6 +442,13 @@ const short da850_cpgmac_pins[] __initdata = {
-1
};
+const short da850_mcasp_pins[] __initdata = {
+ DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
+ DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
+ DA850_AXR_11, DA850_AXR_12,
+ -1
+};
+
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
[IRQ_DA8XX_COMMTX] = 7,
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index fe0baafcf610..1882eef3aead 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -309,6 +309,34 @@ static struct platform_device da830_mcasp1_device = {
.resource = da830_mcasp1_resources,
};
+static struct resource da850_mcasp_resources[] = {
+ {
+ .name = "mcasp",
+ .start = DAVINCI_DA8XX_MCASP0_REG_BASE,
+ .end = DAVINCI_DA8XX_MCASP0_REG_BASE + (SZ_1K * 12) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ /* TX event */
+ {
+ .start = DAVINCI_DA8XX_DMA_MCASP0_AXEVT,
+ .end = DAVINCI_DA8XX_DMA_MCASP0_AXEVT,
+ .flags = IORESOURCE_DMA,
+ },
+ /* RX event */
+ {
+ .start = DAVINCI_DA8XX_DMA_MCASP0_AREVT,
+ .end = DAVINCI_DA8XX_DMA_MCASP0_AREVT,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device da850_mcasp_device = {
+ .name = "davinci-mcasp",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(da850_mcasp_resources),
+ .resource = da850_mcasp_resources,
+};
+
int __init da8xx_register_emac(void)
{
return platform_device_register(&da8xx_emac_device);
@@ -316,8 +344,12 @@ int __init da8xx_register_emac(void)
void __init da8xx_init_mcasp(int id, struct snd_platform_data *pdata)
{
- if (id == 1) { /* DA830/OMAP-L137 has 3 instances of McASP */
+ /* DA830/OMAP-L137 has 3 instances of McASP */
+ if (cpu_is_davinci_da830() && id == 1) {
da830_mcasp1_device.dev.platform_data = pdata;
platform_device_register(&da830_mcasp1_device);
+ } else if (cpu_is_davinci_da850()) {
+ da850_mcasp_device.dev.platform_data = pdata;
+ platform_device_register(&da850_mcasp_device);
}
}
diff --git a/arch/arm/mach-davinci/include/mach/asp.h b/arch/arm/mach-davinci/include/mach/asp.h
index f3c97ac3425c..18e4ce34ece6 100644
--- a/arch/arm/mach-davinci/include/mach/asp.h
+++ b/arch/arm/mach-davinci/include/mach/asp.h
@@ -15,6 +15,9 @@
#define DAVINCI_DM646X_MCASP0_REG_BASE 0x01D01000
#define DAVINCI_DM646X_MCASP1_REG_BASE 0x01D01800
+/* Bases of da850/da830 McASP0 register banks */
+#define DAVINCI_DA8XX_MCASP0_REG_BASE 0x01D00000
+
/* Bases of da830 McASP1 register banks */
#define DAVINCI_DA830_MCASP1_REG_BASE 0x01D04000
@@ -29,6 +32,10 @@
#define DAVINCI_DM646X_DMA_MCASP0_AREVT0 9
#define DAVINCI_DM646X_DMA_MCASP1_AXEVT1 12
+/* EDMA channels of da850/da830 McASP0 */
+#define DAVINCI_DA8XX_DMA_MCASP0_AREVT 0
+#define DAVINCI_DA8XX_DMA_MCASP0_AXEVT 1
+
/* EDMA channels of da830 McASP1 */
#define DAVINCI_DA830_DMA_MCASP1_AREVT 2
#define DAVINCI_DA830_DMA_MCASP1_AXEVT 3
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 8676680fc5b6..82d751461856 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -750,6 +750,31 @@ enum davinci_da850_index {
DA850_MII_RXD_0,
DA850_MDIO_CLK,
DA850_MDIO_D,
+
+ /* McASP function */
+ DA850_ACLKR,
+ DA850_ACLKX,
+ DA850_AFSR,
+ DA850_AFSX,
+ DA850_AHCLKR,
+ DA850_AHCLKX,
+ DA850_AMUTE,
+ DA850_AXR_15,
+ DA850_AXR_14,
+ DA850_AXR_13,
+ DA850_AXR_12,
+ DA850_AXR_11,
+ DA850_AXR_10,
+ DA850_AXR_9,
+ DA850_AXR_8,
+ DA850_AXR_7,
+ DA850_AXR_6,
+ DA850_AXR_5,
+ DA850_AXR_4,
+ DA850_AXR_3,
+ DA850_AXR_2,
+ DA850_AXR_1,
+ DA850_AXR_0,
};
#ifdef CONFIG_DAVINCI_MUX
--
GitLab
From b1466376b22e1ec6395ccda7580deb72d3a809ad Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 13 Aug 2009 12:11:56 -0400
Subject: [PATCH 340/742] davinci: Macro to convert GPIO signal to GPIO pin
number
Adds a macro to convert the GPIO signal passed as bank number
and signal to GPIO pin number.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/include/mach/gpio.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h
index 4f032b38cd6e..f3b8ef878158 100644
--- a/arch/arm/mach-davinci/include/mach/gpio.h
+++ b/arch/arm/mach-davinci/include/mach/gpio.h
@@ -42,6 +42,9 @@
*/
#define GPIO(X) (X) /* 0 <= X <= (DAVINCI_N_GPIO - 1) */
+/* Convert GPIO signal to GPIO pin number */
+#define GPIO_TO_PIN(bank, gpio) (16 * (bank) + (gpio))
+
struct gpio_controller {
u32 dir;
u32 out_data;
--
GitLab
From 5cbdf276bd9d9cd3cb9616f8253390096c1a237f Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 13 Aug 2009 14:33:14 -0400
Subject: [PATCH 341/742] davinci: Add platform support for da850/omap-l138
GLCD
This patch adds platform support for the graphic display
(Sharp LK043T1DG01) found on DA850/OMAP-L138 based EVM.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da850-evm.c | 50 ++++++++++++++++++
arch/arm/mach-davinci/da850.c | 42 +++++++++++++++
arch/arm/mach-davinci/devices-da8xx.c | 59 ++++++++++++++++++++++
arch/arm/mach-davinci/include/mach/da8xx.h | 3 ++
arch/arm/mach-davinci/include/mach/mux.h | 26 ++++++++++
5 files changed, 180 insertions(+)
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 52bfe4cba25c..b1df784ed702 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -17,6 +17,7 @@
#include <linux/console.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
+#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -29,6 +30,9 @@
#define DA850_EVM_PHY_MASK 0x1
#define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
+#define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
+#define DA850_LCD_PWR_PIN GPIO_TO_PIN(8, 10)
+
static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
.bus_freq = 100, /* kHz */
.bus_delay = 0, /* usec */
@@ -59,6 +63,37 @@ static struct snd_platform_data da850_evm_snd_data = {
.rxnumevt = 1,
};
+static int da850_lcd_hw_init(void)
+{
+ int status;
+
+ status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
+ if (status < 0)
+ return status;
+
+ status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
+ if (status < 0) {
+ gpio_free(DA850_LCD_BL_PIN);
+ return status;
+ }
+
+ gpio_direction_output(DA850_LCD_BL_PIN, 0);
+ gpio_direction_output(DA850_LCD_PWR_PIN, 0);
+
+ /* disable lcd backlight */
+ gpio_set_value(DA850_LCD_BL_PIN, 0);
+
+ /* disable lcd power */
+ gpio_set_value(DA850_LCD_PWR_PIN, 0);
+
+ /* enable lcd power */
+ gpio_set_value(DA850_LCD_PWR_PIN, 1);
+
+ /* enable lcd backlight */
+ gpio_set_value(DA850_LCD_BL_PIN, 1);
+
+ return 0;
+}
static __init void da850_evm_init(void)
{
@@ -115,6 +150,21 @@ static __init void da850_evm_init(void)
ret);
da8xx_init_mcasp(0, &da850_evm_snd_data);
+
+ ret = da8xx_pinmux_setup(da850_lcdcntl_pins);
+ if (ret)
+ pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
+ ret);
+
+ ret = da850_lcd_hw_init();
+ if (ret)
+ pr_warning("da850_evm_init: lcd initialization failed: %d\n",
+ ret);
+
+ ret = da8xx_register_lcdc();
+ if (ret)
+ pr_warning("da850_evm_init: lcdc registration failed: %d\n",
+ ret);
}
#ifdef CONFIG_SERIAL_8250_CONSOLE
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index e440c09c5576..e6e605bf1516 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -297,6 +297,13 @@ static struct clk mcasp_clk = {
.psc_ctlr = 1,
};
+static struct clk lcdc_clk = {
+ .name = "lcdc",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_LCDC,
+ .psc_ctlr = 1,
+};
+
static struct davinci_clk da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
@@ -335,6 +342,7 @@ static struct davinci_clk da850_clks[] = {
CLK(NULL, "rmii", &rmii_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
CLK("davinci-mcasp.0", NULL, &mcasp_clk),
+ CLK("da8xx_lcdc.0", NULL, &lcdc_clk),
CLK(NULL, NULL, NULL),
};
@@ -405,6 +413,30 @@ static const struct mux_config da850_pins[] = {
MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false)
MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false)
MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false)
+ /* LCD function */
+ MUX_CFG(DA850, LCD_D_7, 16, 8, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_6, 16, 12, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_5, 16, 16, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_4, 16, 20, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_3, 16, 24, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_2, 16, 28, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_1, 17, 0, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_0, 17, 4, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_15, 17, 8, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_14, 17, 12, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_13, 17, 16, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_12, 17, 20, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_11, 17, 24, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_10, 17, 28, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_9, 18, 0, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_8, 18, 4, 15, 2, false)
+ MUX_CFG(DA850, LCD_PCLK, 18, 24, 15, 2, false)
+ MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false)
+ MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false)
+ MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false)
+ /* GPIO function */
+ MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
+ MUX_CFG(DA850, GPIO8_10, 18, 28, 15, 8, false)
#endif
};
@@ -449,6 +481,16 @@ const short da850_mcasp_pins[] __initdata = {
-1
};
+const short da850_lcdcntl_pins[] __initdata = {
+ DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3, DA850_LCD_D_4,
+ DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7, DA850_LCD_D_8,
+ DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11, DA850_LCD_D_12,
+ DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15, DA850_LCD_PCLK,
+ DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS, DA850_GPIO2_15,
+ DA850_GPIO8_10,
+ -1
+};
+
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
[IRQ_DA8XX_COMMTX] = 7,
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 1882eef3aead..094eb8ed8e76 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -21,6 +21,7 @@
#include <mach/common.h>
#include <mach/time.h>
#include <mach/da8xx.h>
+#include <video/da8xx-fb.h>
#include "clock.h"
@@ -353,3 +354,61 @@ void __init da8xx_init_mcasp(int id, struct snd_platform_data *pdata)
platform_device_register(&da850_mcasp_device);
}
}
+
+static const struct display_panel disp_panel = {
+ QVGA,
+ 16,
+ 16,
+ COLOR_ACTIVE,
+};
+
+static struct lcd_ctrl_config lcd_cfg = {
+ &disp_panel,
+ .ac_bias = 255,
+ .ac_bias_intrpt = 0,
+ .dma_burst_sz = 16,
+ .bpp = 16,
+ .fdd = 255,
+ .tft_alt_mode = 0,
+ .stn_565_mode = 0,
+ .mono_8bit_mode = 0,
+ .invert_line_clock = 1,
+ .invert_frm_clock = 1,
+ .sync_edge = 0,
+ .sync_ctrl = 1,
+ .raster_order = 0,
+};
+
+static struct da8xx_lcdc_platform_data da850_evm_lcdc_pdata = {
+ .manu_name = "sharp",
+ .controller_data = &lcd_cfg,
+ .type = "Sharp_LK043T1DG01",
+};
+
+static struct resource da8xx_lcdc_resources[] = {
+ [0] = { /* registers */
+ .start = DA8XX_LCD_CNTRL_BASE,
+ .end = DA8XX_LCD_CNTRL_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = { /* interrupt */
+ .start = IRQ_DA8XX_LCDINT,
+ .end = IRQ_DA8XX_LCDINT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device da850_lcdc_device = {
+ .name = "da8xx_lcdc",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(da8xx_lcdc_resources),
+ .resource = da8xx_lcdc_resources,
+ .dev = {
+ .platform_data = &da850_evm_lcdc_pdata,
+ }
+};
+
+int __init da8xx_register_lcdc(void)
+{
+ return platform_device_register(&da850_lcdc_device);
+}
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 30c5c407ea85..0af3fb6077a3 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -37,6 +37,7 @@
#define DA8XX_TIMER64P1_BASE 0x01c21000
#define DA8XX_GPIO_BASE 0x01e26000
#define DA8XX_PSC1_BASE 0x01e27000
+#define DA8XX_LCD_CNTRL_BASE 0x01e13000
#define PINMUX0 0x00
#define PINMUX1 0x04
@@ -66,6 +67,7 @@ int da8xx_register_edma(void);
int da8xx_register_i2c(int instance, struct davinci_i2c_platform_data *pdata);
int da8xx_register_watchdog(void);
int da8xx_register_emac(void);
+int da8xx_register_lcdc(void);
void __init da8xx_init_mcasp(int id, struct snd_platform_data *pdata);
extern struct platform_device da8xx_serial_device;
@@ -103,6 +105,7 @@ extern const short da850_i2c0_pins[];
extern const short da850_i2c1_pins[];
extern const short da850_cpgmac_pins[];
extern const short da850_mcasp_pins[];
+extern const short da850_lcdcntl_pins[];
int da8xx_pinmux_setup(const short pins[]);
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 82d751461856..30bf329d5373 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -775,6 +775,32 @@ enum davinci_da850_index {
DA850_AXR_2,
DA850_AXR_1,
DA850_AXR_0,
+
+ /* LCD function */
+ DA850_LCD_D_7,
+ DA850_LCD_D_6,
+ DA850_LCD_D_5,
+ DA850_LCD_D_4,
+ DA850_LCD_D_3,
+ DA850_LCD_D_2,
+ DA850_LCD_D_1,
+ DA850_LCD_D_0,
+ DA850_LCD_D_15,
+ DA850_LCD_D_14,
+ DA850_LCD_D_13,
+ DA850_LCD_D_12,
+ DA850_LCD_D_11,
+ DA850_LCD_D_10,
+ DA850_LCD_D_9,
+ DA850_LCD_D_8,
+ DA850_LCD_PCLK,
+ DA850_LCD_HSYNC,
+ DA850_LCD_VSYNC,
+ DA850_NLCD_AC_ENB_CS,
+
+ /* GPIO function */
+ DA850_GPIO2_15,
+ DA850_GPIO8_10,
};
#ifdef CONFIG_DAVINCI_MUX
--
GitLab
From 700691f27ed9b0891cece9032e4de8c0b482c625 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 13 Aug 2009 15:16:23 -0400
Subject: [PATCH 342/742] davinci: Add MMC/SD support for da850/omap-l138
There are two instances of MMC/SD on da850/omap-l138.
Connector for the first instance is available on the
EVM. This patch adds support for this instance.
This patch also adds support for card detect and write
protect switches on da850/omap-l138 EVM.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da850-evm.c | 42 ++++++++++++++++++++++
arch/arm/mach-davinci/da850.c | 23 ++++++++++++
arch/arm/mach-davinci/devices-da8xx.c | 36 +++++++++++++++++++
arch/arm/mach-davinci/include/mach/da8xx.h | 4 +++
arch/arm/mach-davinci/include/mach/mux.h | 10 ++++++
5 files changed, 115 insertions(+)
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index b1df784ed702..eb998ce6d465 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -33,6 +33,9 @@
#define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
#define DA850_LCD_PWR_PIN GPIO_TO_PIN(8, 10)
+#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
+#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
+
static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
.bus_freq = 100, /* kHz */
.bus_delay = 0, /* usec */
@@ -63,6 +66,23 @@ static struct snd_platform_data da850_evm_snd_data = {
.rxnumevt = 1,
};
+static int da850_evm_mmc_get_ro(int index)
+{
+ return gpio_get_value(DA850_MMCSD_WP_PIN);
+}
+
+static int da850_evm_mmc_get_cd(int index)
+{
+ return !gpio_get_value(DA850_MMCSD_CD_PIN);
+}
+
+static struct davinci_mmc_config da850_mmc_config = {
+ .get_ro = da850_evm_mmc_get_ro,
+ .get_cd = da850_evm_mmc_get_cd,
+ .wires = 4,
+ .version = MMC_CTLR_VERSION_2,
+};
+
static int da850_lcd_hw_init(void)
{
int status;
@@ -134,6 +154,28 @@ static __init void da850_evm_init(void)
pr_warning("da830_evm_init: watchdog registration failed: %d\n",
ret);
+ ret = da8xx_pinmux_setup(da850_mmcsd0_pins);
+ if (ret)
+ pr_warning("da850_evm_init: mmcsd0 mux setup failed: %d\n",
+ ret);
+
+ ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
+ if (ret)
+ pr_warning("da850_evm_init: can not open GPIO %d\n",
+ DA850_MMCSD_CD_PIN);
+ gpio_direction_input(DA850_MMCSD_CD_PIN);
+
+ ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
+ if (ret)
+ pr_warning("da850_evm_init: can not open GPIO %d\n",
+ DA850_MMCSD_WP_PIN);
+ gpio_direction_input(DA850_MMCSD_WP_PIN);
+
+ ret = da8xx_register_mmcsd0(&da850_mmc_config);
+ if (ret)
+ pr_warning("da850_evm_init: mmcsd0 registration failed: %d\n",
+ ret);
+
davinci_serial_init(&da850_evm_uart_config);
/*
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index e6e605bf1516..9debd57deb71 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -304,6 +304,12 @@ static struct clk lcdc_clk = {
.psc_ctlr = 1,
};
+static struct clk mmcsd_clk = {
+ .name = "mmcsd",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC0_MMC_SD,
+};
+
static struct davinci_clk da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
@@ -343,6 +349,7 @@ static struct davinci_clk da850_clks[] = {
CLK("davinci_emac.1", NULL, &emac_clk),
CLK("davinci-mcasp.0", NULL, &mcasp_clk),
CLK("da8xx_lcdc.0", NULL, &lcdc_clk),
+ CLK("davinci_mmc.0", NULL, &mmcsd_clk),
CLK(NULL, NULL, NULL),
};
@@ -434,9 +441,18 @@ static const struct mux_config da850_pins[] = {
MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false)
MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false)
MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false)
+ /* MMC/SD0 function */
+ MUX_CFG(DA850, MMCSD0_DAT_0, 10, 8, 15, 2, false)
+ MUX_CFG(DA850, MMCSD0_DAT_1, 10, 12, 15, 2, false)
+ MUX_CFG(DA850, MMCSD0_DAT_2, 10, 16, 15, 2, false)
+ MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false)
+ MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false)
+ MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false)
/* GPIO function */
MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
MUX_CFG(DA850, GPIO8_10, 18, 28, 15, 8, false)
+ MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false)
+ MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false)
#endif
};
@@ -491,6 +507,13 @@ const short da850_lcdcntl_pins[] __initdata = {
-1
};
+const short da850_mmcsd0_pins[] __initdata = {
+ DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
+ DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
+ DA850_GPIO4_0, DA850_GPIO4_1,
+ -1
+};
+
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
[IRQ_DA8XX_COMMTX] = 7,
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 094eb8ed8e76..58ad5b66fd60 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -412,3 +412,39 @@ int __init da8xx_register_lcdc(void)
{
return platform_device_register(&da850_lcdc_device);
}
+
+static struct resource da8xx_mmcsd0_resources[] = {
+ { /* registers */
+ .start = DA8XX_MMCSD0_BASE,
+ .end = DA8XX_MMCSD0_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ { /* interrupt */
+ .start = IRQ_DA8XX_MMCSDINT0,
+ .end = IRQ_DA8XX_MMCSDINT0,
+ .flags = IORESOURCE_IRQ,
+ },
+ { /* DMA RX */
+ .start = EDMA_CTLR_CHAN(0, 16),
+ .end = EDMA_CTLR_CHAN(0, 16),
+ .flags = IORESOURCE_DMA,
+ },
+ { /* DMA TX */
+ .start = EDMA_CTLR_CHAN(0, 17),
+ .end = EDMA_CTLR_CHAN(0, 17),
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct platform_device da8xx_mmcsd0_device = {
+ .name = "davinci_mmc",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(da8xx_mmcsd0_resources),
+ .resource = da8xx_mmcsd0_resources,
+};
+
+int __init da8xx_register_mmcsd0(struct davinci_mmc_config *config)
+{
+ da8xx_mmcsd0_device.dev.platform_data = config;
+ return platform_device_register(&da8xx_mmcsd0_device);
+}
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 0af3fb6077a3..0af141ffc3b4 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -16,6 +16,7 @@
#include <mach/i2c.h>
#include <mach/emac.h>
#include <mach/asp.h>
+#include <mach/mmc.h>
/*
* The cp_intc interrupt controller for the da8xx isn't in the same
@@ -38,6 +39,7 @@
#define DA8XX_GPIO_BASE 0x01e26000
#define DA8XX_PSC1_BASE 0x01e27000
#define DA8XX_LCD_CNTRL_BASE 0x01e13000
+#define DA8XX_MMCSD0_BASE 0x01c40000
#define PINMUX0 0x00
#define PINMUX1 0x04
@@ -68,6 +70,7 @@ int da8xx_register_i2c(int instance, struct davinci_i2c_platform_data *pdata);
int da8xx_register_watchdog(void);
int da8xx_register_emac(void);
int da8xx_register_lcdc(void);
+int da8xx_register_mmcsd0(struct davinci_mmc_config *config);
void __init da8xx_init_mcasp(int id, struct snd_platform_data *pdata);
extern struct platform_device da8xx_serial_device;
@@ -106,6 +109,7 @@ extern const short da850_i2c1_pins[];
extern const short da850_cpgmac_pins[];
extern const short da850_mcasp_pins[];
extern const short da850_lcdcntl_pins[];
+extern const short da850_mmcsd0_pins[];
int da8xx_pinmux_setup(const short pins[]);
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 30bf329d5373..b2335640c222 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -798,9 +798,19 @@ enum davinci_da850_index {
DA850_LCD_VSYNC,
DA850_NLCD_AC_ENB_CS,
+ /* MMC/SD0 function */
+ DA850_MMCSD0_DAT_0,
+ DA850_MMCSD0_DAT_1,
+ DA850_MMCSD0_DAT_2,
+ DA850_MMCSD0_DAT_3,
+ DA850_MMCSD0_CLK,
+ DA850_MMCSD0_CMD,
+
/* GPIO function */
DA850_GPIO2_15,
DA850_GPIO8_10,
+ DA850_GPIO4_0,
+ DA850_GPIO4_1,
};
#ifdef CONFIG_DAVINCI_MUX
--
GitLab
From 38beb929f2c33a37bf3af6103c064a9edfbe242b Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 13 Aug 2009 16:21:11 -0400
Subject: [PATCH 343/742] davinci: Add NAND flash support for DA850/OMAP-L138
This patch adds platform data for the 512MB NAND Flash
found on DA850/OMAP-L138 EVM. Currently it supports
only 1-bit ECC.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da850-evm.c | 85 ++++++++++++++++++++++
arch/arm/mach-davinci/da850.c | 31 ++++++++
arch/arm/mach-davinci/include/mach/da8xx.h | 3 +
arch/arm/mach-davinci/include/mach/mux.h | 16 ++++
4 files changed, 135 insertions(+)
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index eb998ce6d465..62d37cb6f29d 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -18,6 +18,10 @@
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -26,6 +30,7 @@
#include <mach/irqs.h>
#include <mach/cp_intc.h>
#include <mach/da8xx.h>
+#include <mach/nand.h>
#define DA850_EVM_PHY_MASK 0x1
#define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
@@ -36,6 +41,74 @@
#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
+/* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
+ * (128K blocks). It may be used instead of the (default) SPI flash
+ * to boot, using TI's tools to install the secondary boot loader
+ * (UBL) and U-Boot.
+ */
+struct mtd_partition da850_evm_nandflash_partition[] = {
+ {
+ .name = "u-boot env",
+ .offset = 0,
+ .size = SZ_128K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "UBL",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_128K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "u-boot",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 4 * SZ_128K,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "kernel",
+ .offset = 0x200000,
+ .size = SZ_2M,
+ .mask_flags = 0,
+ },
+ {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0,
+ },
+};
+
+static struct davinci_nand_pdata da850_evm_nandflash_data = {
+ .parts = da850_evm_nandflash_partition,
+ .nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition),
+ .ecc_mode = NAND_ECC_HW,
+ .options = NAND_USE_FLASH_BBT,
+};
+
+static struct resource da850_evm_nandflash_resource[] = {
+ {
+ .start = DA8XX_AEMIF_CS3_BASE,
+ .end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = DA8XX_AEMIF_CTL_BASE,
+ .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device da850_evm_nandflash_device = {
+ .name = "davinci_nand",
+ .id = 1,
+ .dev = {
+ .platform_data = &da850_evm_nandflash_data,
+ },
+ .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource),
+ .resource = da850_evm_nandflash_resource,
+};
+
static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
.bus_freq = 100, /* kHz */
.bus_delay = 0, /* usec */
@@ -45,6 +118,10 @@ static struct davinci_uart_config da850_evm_uart_config __initdata = {
.enabled_uarts = 0x7,
};
+static struct platform_device *da850_evm_devices[] __initdata = {
+ &da850_evm_nandflash_device,
+};
+
/* davinci da850 evm audio machine driver */
static u8 da850_iis_serializer_direction[] = {
INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
@@ -120,6 +197,14 @@ static __init void da850_evm_init(void)
struct davinci_soc_info *soc_info = &davinci_soc_info;
int ret;
+ ret = da8xx_pinmux_setup(da850_nand_pins);
+ if (ret)
+ pr_warning("da850_evm_init: nand mux setup failed: %d\n",
+ ret);
+
+ platform_add_devices(da850_evm_devices,
+ ARRAY_SIZE(da850_evm_devices));
+
ret = da8xx_register_edma();
if (ret)
pr_warning("da850_evm_init: edma registration failed: %d\n",
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 9debd57deb71..db4209413450 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -310,6 +310,13 @@ static struct clk mmcsd_clk = {
.lpsc = DA8XX_LPSC0_MMC_SD,
};
+static struct clk aemif_clk = {
+ .name = "aemif",
+ .parent = &pll0_sysclk3,
+ .lpsc = DA8XX_LPSC0_EMIF25,
+ .flags = ALWAYS_ENABLED,
+};
+
static struct davinci_clk da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
@@ -350,6 +357,7 @@ static struct davinci_clk da850_clks[] = {
CLK("davinci-mcasp.0", NULL, &mcasp_clk),
CLK("da8xx_lcdc.0", NULL, &lcdc_clk),
CLK("davinci_mmc.0", NULL, &mmcsd_clk),
+ CLK(NULL, "aemif", &aemif_clk),
CLK(NULL, NULL, NULL),
};
@@ -448,6 +456,21 @@ static const struct mux_config da850_pins[] = {
MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false)
MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false)
MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false)
+ /* EMIF2.5/EMIFA function */
+ MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_5, 9, 8, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_4, 9, 12, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_3, 9, 16, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_2, 9, 20, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_1, 9, 24, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_0, 9, 28, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_1, 12, 24, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_2, 12, 20, 15, 1, false)
+ MUX_CFG(DA850, NEMA_CS_3, 7, 4, 15, 1, false)
+ MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false)
+ MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false)
+ MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false)
/* GPIO function */
MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
MUX_CFG(DA850, GPIO8_10, 18, 28, 15, 8, false)
@@ -514,6 +537,14 @@ const short da850_mmcsd0_pins[] __initdata = {
-1
};
+const short da850_nand_pins[] __initdata = {
+ DA850_EMA_D_7, DA850_EMA_D_6, DA850_EMA_D_5, DA850_EMA_D_4,
+ DA850_EMA_D_3, DA850_EMA_D_2, DA850_EMA_D_1, DA850_EMA_D_0,
+ DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
+ DA850_NEMA_WE, DA850_NEMA_OE,
+ -1
+};
+
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
[IRQ_DA8XX_COMMTX] = 7,
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 0af141ffc3b4..77e5d2398e21 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -40,6 +40,8 @@
#define DA8XX_PSC1_BASE 0x01e27000
#define DA8XX_LCD_CNTRL_BASE 0x01e13000
#define DA8XX_MMCSD0_BASE 0x01c40000
+#define DA8XX_AEMIF_CS3_BASE 0x62000000
+#define DA8XX_AEMIF_CTL_BASE 0x68000000
#define PINMUX0 0x00
#define PINMUX1 0x04
@@ -110,6 +112,7 @@ extern const short da850_cpgmac_pins[];
extern const short da850_mcasp_pins[];
extern const short da850_lcdcntl_pins[];
extern const short da850_mmcsd0_pins[];
+extern const short da850_nand_pins[];
int da8xx_pinmux_setup(const short pins[]);
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index b2335640c222..ee6f29db4452 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -806,6 +806,22 @@ enum davinci_da850_index {
DA850_MMCSD0_CLK,
DA850_MMCSD0_CMD,
+ /* EMIF2.5/EMIFA function */
+ DA850_EMA_D_7,
+ DA850_EMA_D_6,
+ DA850_EMA_D_5,
+ DA850_EMA_D_4,
+ DA850_EMA_D_3,
+ DA850_EMA_D_2,
+ DA850_EMA_D_1,
+ DA850_EMA_D_0,
+ DA850_EMA_A_1,
+ DA850_EMA_A_2,
+ DA850_NEMA_CS_3,
+ DA850_NEMA_CS_4,
+ DA850_NEMA_WE,
+ DA850_NEMA_OE,
+
/* GPIO function */
DA850_GPIO2_15,
DA850_GPIO8_10,
--
GitLab
From 7c5ec6095a7d29c89ee050281faa068a374a5ac6 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 13 Aug 2009 17:36:25 -0400
Subject: [PATCH 344/742] davinci: Add NOR flash support for da850/omap-l138
This patch adds platform data for the 8MB NOR flash
found on da850/omap-l138 EVM. Both NOR and NAND can
co-exist on da850/omap-l138 as they are using different
chip selects.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da850-evm.c | 59 ++++++++++++++++++++++
arch/arm/mach-davinci/da850.c | 50 ++++++++++++++++++
arch/arm/mach-davinci/include/mach/da8xx.h | 2 +
arch/arm/mach-davinci/include/mach/mux.h | 34 +++++++++++++
4 files changed, 145 insertions(+)
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 62d37cb6f29d..70a2f487da95 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -22,6 +22,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -41,6 +42,39 @@
#define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
#define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
+static struct mtd_partition da850_evm_norflash_partition[] = {
+ {
+ .name = "NOR filesystem",
+ .offset = 0,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0,
+ },
+};
+
+static struct physmap_flash_data da850_evm_norflash_data = {
+ .width = 2,
+ .parts = da850_evm_norflash_partition,
+ .nr_parts = ARRAY_SIZE(da850_evm_norflash_partition),
+};
+
+static struct resource da850_evm_norflash_resource[] = {
+ {
+ .start = DA8XX_AEMIF_CS2_BASE,
+ .end = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device da850_evm_norflash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &da850_evm_norflash_data,
+ },
+ .num_resources = 1,
+ .resource = da850_evm_norflash_resource,
+};
+
/* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
* (128K blocks). It may be used instead of the (default) SPI flash
* to boot, using TI's tools to install the secondary boot loader
@@ -120,6 +154,7 @@ static struct davinci_uart_config da850_evm_uart_config __initdata = {
static struct platform_device *da850_evm_devices[] __initdata = {
&da850_evm_nandflash_device,
+ &da850_evm_norflash_device,
};
/* davinci da850 evm audio machine driver */
@@ -192,6 +227,23 @@ static int da850_lcd_hw_init(void)
return 0;
}
+#define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
+#define DA8XX_AEMIF_ASIZE_16BIT 0x1
+
+static void __init da850_evm_init_nor(void)
+{
+ void __iomem *aemif_addr;
+
+ aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
+
+ /* Configure data bus width of CS2 to 16 bit */
+ writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
+ DA8XX_AEMIF_ASIZE_16BIT,
+ aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
+
+ iounmap(aemif_addr);
+}
+
static __init void da850_evm_init(void)
{
struct davinci_soc_info *soc_info = &davinci_soc_info;
@@ -202,6 +254,13 @@ static __init void da850_evm_init(void)
pr_warning("da850_evm_init: nand mux setup failed: %d\n",
ret);
+ ret = da8xx_pinmux_setup(da850_nor_pins);
+ if (ret)
+ pr_warning("da850_evm_init: nor mux setup failed: %d\n",
+ ret);
+
+ da850_evm_init_nor();
+
platform_add_devices(da850_evm_devices,
ARRAY_SIZE(da850_evm_devices));
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index db4209413450..192d719a47df 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -471,6 +471,40 @@ static const struct mux_config da850_pins[] = {
MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false)
MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false)
MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_0, 12, 28, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_3, 12, 16, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_4, 12, 12, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_5, 12, 8, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_6, 12, 4, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_7, 12, 0, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_8, 11, 28, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_9, 11, 24, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_10, 11, 20, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_11, 11, 16, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_12, 11, 12, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_13, 11, 8, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_14, 11, 4, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_15, 11, 0, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_16, 10, 28, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_17, 10, 24, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_18, 10, 20, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_19, 10, 16, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_20, 10, 12, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_21, 10, 8, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_22, 10, 4, 15, 1, false)
+ MUX_CFG(DA850, EMA_A_23, 10, 0, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_8, 8, 28, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_9, 8, 24, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_10, 8, 20, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_11, 8, 16, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_12, 8, 12, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_13, 8, 8, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_14, 8, 4, 15, 1, false)
+ MUX_CFG(DA850, EMA_D_15, 8, 0, 15, 1, false)
+ MUX_CFG(DA850, EMA_BA_1, 5, 24, 15, 1, false)
+ MUX_CFG(DA850, EMA_CLK, 6, 0, 15, 1, false)
+ MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false)
+ MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false)
/* GPIO function */
MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
MUX_CFG(DA850, GPIO8_10, 18, 28, 15, 8, false)
@@ -545,6 +579,22 @@ const short da850_nand_pins[] __initdata = {
-1
};
+const short da850_nor_pins[] __initdata = {
+ DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
+ DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
+ DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
+ DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
+ DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
+ DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
+ DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
+ DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
+ DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
+ DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
+ DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
+ DA850_EMA_A_22, DA850_EMA_A_23,
+ -1
+};
+
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
[IRQ_DA8XX_COMMTX] = 7,
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index 77e5d2398e21..d4095d0572c6 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -40,6 +40,7 @@
#define DA8XX_PSC1_BASE 0x01e27000
#define DA8XX_LCD_CNTRL_BASE 0x01e13000
#define DA8XX_MMCSD0_BASE 0x01c40000
+#define DA8XX_AEMIF_CS2_BASE 0x60000000
#define DA8XX_AEMIF_CS3_BASE 0x62000000
#define DA8XX_AEMIF_CTL_BASE 0x68000000
@@ -113,6 +114,7 @@ extern const short da850_mcasp_pins[];
extern const short da850_lcdcntl_pins[];
extern const short da850_mmcsd0_pins[];
extern const short da850_nand_pins[];
+extern const short da850_nor_pins[];
int da8xx_pinmux_setup(const short pins[]);
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index ee6f29db4452..88cd22af4946 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -821,6 +821,40 @@ enum davinci_da850_index {
DA850_NEMA_CS_4,
DA850_NEMA_WE,
DA850_NEMA_OE,
+ DA850_EMA_D_15,
+ DA850_EMA_D_14,
+ DA850_EMA_D_13,
+ DA850_EMA_D_12,
+ DA850_EMA_D_11,
+ DA850_EMA_D_10,
+ DA850_EMA_D_9,
+ DA850_EMA_D_8,
+ DA850_EMA_A_0,
+ DA850_EMA_A_3,
+ DA850_EMA_A_4,
+ DA850_EMA_A_5,
+ DA850_EMA_A_6,
+ DA850_EMA_A_7,
+ DA850_EMA_A_8,
+ DA850_EMA_A_9,
+ DA850_EMA_A_10,
+ DA850_EMA_A_11,
+ DA850_EMA_A_12,
+ DA850_EMA_A_13,
+ DA850_EMA_A_14,
+ DA850_EMA_A_15,
+ DA850_EMA_A_16,
+ DA850_EMA_A_17,
+ DA850_EMA_A_18,
+ DA850_EMA_A_19,
+ DA850_EMA_A_20,
+ DA850_EMA_A_21,
+ DA850_EMA_A_22,
+ DA850_EMA_A_23,
+ DA850_EMA_BA_1,
+ DA850_EMA_CLK,
+ DA850_EMA_WAIT_1,
+ DA850_NEMA_CS_2,
/* GPIO function */
DA850_GPIO2_15,
--
GitLab
From 820c4fe32ea11da338445d225cd51caa4cb69e43 Mon Sep 17 00:00:00 2001
From: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Date: Thu, 13 Aug 2009 18:16:28 -0400
Subject: [PATCH 345/742] davinci: Handle pinmux conflict between mmc/sd and
nor flash
On DA850/OMAP-L138 EVM, MMC/SD and NOR Flash share
some of the AEMIF pins. This patch prints out a warning
during booting, if both MMC/SD and NOR Flash are enabled
in kernel menuconfig.
If both MMC/SD and NOR Flash are enabled, only MMC/SD
will work correctly.
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da850-evm.c | 63 ++++++++++++++++---------
1 file changed, 42 insertions(+), 21 deletions(-)
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 70a2f487da95..f2946a0cf6f6 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -244,6 +244,20 @@ static void __init da850_evm_init_nor(void)
iounmap(aemif_addr);
}
+#if defined(CONFIG_MTD_PHYSMAP) || \
+ defined(CONFIG_MTD_PHYSMAP_MODULE)
+#define HAS_NOR 1
+#else
+#define HAS_NOR 0
+#endif
+
+#if defined(CONFIG_MMC_DAVINCI) || \
+ defined(CONFIG_MMC_DAVINCI_MODULE)
+#define HAS_MMC 1
+#else
+#define HAS_MMC 0
+#endif
+
static __init void da850_evm_init(void)
{
struct davinci_soc_info *soc_info = &davinci_soc_info;
@@ -298,27 +312,34 @@ static __init void da850_evm_init(void)
pr_warning("da830_evm_init: watchdog registration failed: %d\n",
ret);
- ret = da8xx_pinmux_setup(da850_mmcsd0_pins);
- if (ret)
- pr_warning("da850_evm_init: mmcsd0 mux setup failed: %d\n",
- ret);
-
- ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
- if (ret)
- pr_warning("da850_evm_init: can not open GPIO %d\n",
- DA850_MMCSD_CD_PIN);
- gpio_direction_input(DA850_MMCSD_CD_PIN);
-
- ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
- if (ret)
- pr_warning("da850_evm_init: can not open GPIO %d\n",
- DA850_MMCSD_WP_PIN);
- gpio_direction_input(DA850_MMCSD_WP_PIN);
-
- ret = da8xx_register_mmcsd0(&da850_mmc_config);
- if (ret)
- pr_warning("da850_evm_init: mmcsd0 registration failed: %d\n",
- ret);
+ if (HAS_MMC) {
+ if (HAS_NOR)
+ pr_warning("WARNING: both NOR Flash and MMC/SD are "
+ "enabled, but they share AEMIF pins.\n"
+ "\tDisable one of them.\n");
+
+ ret = da8xx_pinmux_setup(da850_mmcsd0_pins);
+ if (ret)
+ pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
+ " %d\n", ret);
+
+ ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
+ if (ret)
+ pr_warning("da850_evm_init: can not open GPIO %d\n",
+ DA850_MMCSD_CD_PIN);
+ gpio_direction_input(DA850_MMCSD_CD_PIN);
+
+ ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
+ if (ret)
+ pr_warning("da850_evm_init: can not open GPIO %d\n",
+ DA850_MMCSD_WP_PIN);
+ gpio_direction_input(DA850_MMCSD_WP_PIN);
+
+ ret = da8xx_register_mmcsd0(&da850_mmc_config);
+ if (ret)
+ pr_warning("da850_evm_init: mmcsd0 registration failed:"
+ " %d\n", ret);
+ }
davinci_serial_init(&da850_evm_uart_config);
--
GitLab
From 1aebb50e06b8c184dcf1dde4314cb782f42f9e21 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Fri, 21 Aug 2009 12:38:11 -0400
Subject: [PATCH 346/742] DaVinci: DM355: Adding PINMUX entries for DM355
Display
This patch adds PINMUX entries for DM355 Display.
These will be used by the DM355 display driver.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm355.c | 6 ++++++
arch/arm/mach-davinci/include/mach/mux.h | 7 +++++++
2 files changed, 13 insertions(+)
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 3abeb3eb9b24..4f42169c029c 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -482,6 +482,12 @@ INT_CFG(DM355, INT_EDMA_TC1_ERR, 4, 1, 1, false)
EVT_CFG(DM355, EVT8_ASP1_TX, 0, 1, 0, false)
EVT_CFG(DM355, EVT9_ASP1_RX, 1, 1, 0, false)
EVT_CFG(DM355, EVT26_MMC0_RX, 2, 1, 0, false)
+
+MUX_CFG(DM355, VOUT_FIELD, 1, 18, 3, 1, false)
+MUX_CFG(DM355, VOUT_FIELD_G70, 1, 18, 3, 0, false)
+MUX_CFG(DM355, VOUT_HVSYNC, 1, 16, 1, 0, false)
+MUX_CFG(DM355, VOUT_COUTL_EN, 1, 0, 0xff, 0x55, false)
+MUX_CFG(DM355, VOUT_COUTH_EN, 1, 8, 0xff, 0x55, false)
#endif
};
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 88cd22af4946..7fad9b1a106b 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -154,6 +154,13 @@ enum davinci_dm355_index {
DM355_EVT8_ASP1_TX,
DM355_EVT9_ASP1_RX,
DM355_EVT26_MMC0_RX,
+
+ /* Video Out */
+ DM355_VOUT_FIELD,
+ DM355_VOUT_FIELD_G70,
+ DM355_VOUT_HVSYNC,
+ DM355_VOUT_COUTL_EN,
+ DM355_VOUT_COUTH_EN,
};
enum davinci_dm365_index {
--
GitLab
From 0c30e0d31b57375b1decad4cc0e139e2f7758986 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Tue, 18 Aug 2009 11:08:27 -0400
Subject: [PATCH 347/742] DaVinci: DM365: Adding entries for DM365 IRQ's
This patch adds definitions for some DM365 IRQs that are used by
the codecs. Codecs will also use the IRQs.
Entries are being added to enable/disable IRQ's.
There is no use as such for these entires in the kernel itself.
Instead these will be used by the "linuxutils" package of the DVSDK.
For further information on IRQ muxing refer to
http://focus.ti.com/lit/ug/sprufg5a/sprufg5a.pdf
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Sneha Narnakaje <nsnehaprabha@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dm365.c | 8 ++++++++
arch/arm/mach-davinci/include/mach/irqs.h | 3 +++
arch/arm/mach-davinci/include/mach/mux.h | 8 ++++++++
3 files changed, 19 insertions(+)
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index f8bac9486b09..e81517434703 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -595,6 +595,14 @@ INT_CFG(DM365, INT_EMAC_RXTHRESH, 14, 1, 1, false)
INT_CFG(DM365, INT_EMAC_RXPULSE, 15, 1, 1, false)
INT_CFG(DM365, INT_EMAC_TXPULSE, 16, 1, 1, false)
INT_CFG(DM365, INT_EMAC_MISCPULSE, 17, 1, 1, false)
+INT_CFG(DM365, INT_IMX0_ENABLE, 0, 1, 0, false)
+INT_CFG(DM365, INT_IMX0_DISABLE, 0, 1, 1, false)
+INT_CFG(DM365, INT_HDVICP_ENABLE, 0, 1, 1, false)
+INT_CFG(DM365, INT_HDVICP_DISABLE, 0, 1, 0, false)
+INT_CFG(DM365, INT_IMX1_ENABLE, 24, 1, 1, false)
+INT_CFG(DM365, INT_IMX1_DISABLE, 24, 1, 0, false)
+INT_CFG(DM365, INT_NSF_ENABLE, 25, 1, 1, false)
+INT_CFG(DM365, INT_NSF_DISABLE, 25, 1, 0, false)
#endif
};
diff --git a/arch/arm/mach-davinci/include/mach/irqs.h b/arch/arm/mach-davinci/include/mach/irqs.h
index 7f755cc387e5..3c918a772619 100644
--- a/arch/arm/mach-davinci/include/mach/irqs.h
+++ b/arch/arm/mach-davinci/include/mach/irqs.h
@@ -205,6 +205,9 @@
/* DaVinci DM365-specific Interrupts */
#define IRQ_DM365_INSFINT 7
+#define IRQ_DM365_IMXINT1 8
+#define IRQ_DM365_IMXINT0 10
+#define IRQ_DM365_KLD_ARMINT 10
#define IRQ_DM365_IMCOPINT 11
#define IRQ_DM365_RTOINT 13
#define IRQ_DM365_TINT5 14
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 7fad9b1a106b..773283281be8 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -301,6 +301,14 @@ enum davinci_dm365_index {
DM365_INT_EMAC_RXPULSE,
DM365_INT_EMAC_TXPULSE,
DM365_INT_EMAC_MISCPULSE,
+ DM365_INT_IMX0_ENABLE,
+ DM365_INT_IMX0_DISABLE,
+ DM365_INT_HDVICP_ENABLE,
+ DM365_INT_HDVICP_DISABLE,
+ DM365_INT_IMX1_ENABLE,
+ DM365_INT_IMX1_DISABLE,
+ DM365_INT_NSF_ENABLE,
+ DM365_INT_NSF_DISABLE,
/* EDMA event muxing */
DM365_EVT2_ASP_TX,
--
GitLab
From 213765d7b40a455ced8596edfa3cc51b5f69d515 Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Mon, 27 Jul 2009 15:10:36 -0400
Subject: [PATCH 348/742] DaVinci: EDMA: Adding 2 new APIs for
allocating/freeing PARAMs
For best performance, codecs often setup linked triggered
transfers with a contiguous block of params, and that is when
this API is used. Setup/configuration of these parameter RAMs
is most efficient if they are contiguous.
There is an API to allocate a set of contiguous parameter RAMs and
a corresponding API to free a set of contiguous parameter RAMs
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/dma.c | 137 ++++++++++++++++++++++
arch/arm/mach-davinci/include/mach/edma.h | 7 ++
2 files changed, 144 insertions(+)
diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index e6d7e6aca336..f2e57d272958 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -509,6 +509,45 @@ static irqreturn_t dma_tc1err_handler(int irq, void *data)
return IRQ_HANDLED;
}
+static int reserve_contiguous_params(int ctlr, unsigned int id,
+ unsigned int num_params,
+ unsigned int start_param)
+{
+ int i, j;
+ unsigned int count = num_params;
+
+ for (i = start_param; i < edma_info[ctlr]->num_slots; ++i) {
+ j = EDMA_CHAN_SLOT(i);
+ if (!test_and_set_bit(j, edma_info[ctlr]->edma_inuse))
+ count--;
+ if (count == 0)
+ break;
+ else if (id == EDMA_CONT_PARAMS_FIXED_EXACT)
+ break;
+ else
+ count = num_params;
+ }
+
+ /*
+ * We have to clear any bits that we set
+ * if we run out parameter RAMs, i.e we do find a set
+ * of contiguous parameter RAMs but do not find the exact number
+ * requested as we may reach the total number of parameter RAMs
+ */
+ if (count) {
+ for (j = i - num_params + count + 1; j <= i ; ++j)
+ clear_bit(j, edma_info[ctlr]->edma_inuse);
+
+ return -EBUSY;
+ }
+
+ for (j = i - num_params + 1; j <= i; ++j)
+ memcpy_toio(edmacc_regs_base[ctlr] + PARM_OFFSET(j),
+ &dummy_paramset, PARM_SIZE);
+
+ return EDMA_CTLR_CHAN(ctlr, i - num_params + 1);
+}
+
/*-----------------------------------------------------------------------*/
/* Resource alloc/free: dma channels, parameter RAM slots */
@@ -700,6 +739,104 @@ void edma_free_slot(unsigned slot)
}
EXPORT_SYMBOL(edma_free_slot);
+
+/**
+ * edma_alloc_cont_slots- alloc contiguous parameter RAM slots
+ * The API will return the starting point of a set of
+ * contiguous PARAM's that have been requested
+ *
+ * @id: can only be EDMA_CONT_PARAMS_ANY or EDMA_CONT_PARAMS_FIXED_EXACT
+ * or EDMA_CONT_PARAMS_FIXED_NOT_EXACT
+ * @count: number of contiguous Paramter RAM's
+ * @param - the start value of Parameter RAM that should be passed if id
+ * is EDMA_CONT_PARAMS_FIXED_EXACT or EDMA_CONT_PARAMS_FIXED_NOT_EXACT
+ *
+ * If id is EDMA_CONT_PARAMS_ANY then the API starts looking for a set of
+ * contiguous Parameter RAMs from parameter RAM 64 in the case of DaVinci SOCs
+ * and 32 in the case of Primus
+ *
+ * If id is EDMA_CONT_PARAMS_FIXED_EXACT then the API starts looking for a
+ * set of contiguous parameter RAMs from the "param" that is passed as an
+ * argument to the API.
+ *
+ * If id is EDMA_CONT_PARAMS_FIXED_NOT_EXACT then the API initially tries
+ * starts looking for a set of contiguous parameter RAMs from the "param"
+ * that is passed as an argument to the API. On failure the API will try to
+ * find a set of contiguous Parameter RAMs in the remaining Parameter RAMs
+ */
+int edma_alloc_cont_slots(unsigned ctlr, unsigned int id, int slot, int count)
+{
+ /*
+ * The start slot requested should be greater than
+ * the number of channels and lesser than the total number
+ * of slots
+ */
+ if (slot < edma_info[ctlr]->num_channels ||
+ slot >= edma_info[ctlr]->num_slots)
+ return -EINVAL;
+
+ /*
+ * The number of parameter RAMs requested cannot be less than 1
+ * and cannot be more than the number of slots minus the number of
+ * channels
+ */
+ if (count < 1 || count >
+ (edma_info[ctlr]->num_slots - edma_info[ctlr]->num_channels))
+ return -EINVAL;
+
+ switch (id) {
+ case EDMA_CONT_PARAMS_ANY:
+ return reserve_contiguous_params(ctlr, id, count,
+ edma_info[ctlr]->num_channels);
+ case EDMA_CONT_PARAMS_FIXED_EXACT:
+ case EDMA_CONT_PARAMS_FIXED_NOT_EXACT:
+ return reserve_contiguous_params(ctlr, id, count, slot);
+ default:
+ return -EINVAL;
+ }
+
+}
+EXPORT_SYMBOL(edma_alloc_cont_slots);
+
+/**
+ * edma_free_cont_slots - deallocate DMA parameter RAMs
+ * @slot: first parameter RAM of a set of parameter RAMs to be freed
+ * @count: the number of contiguous parameter RAMs to be freed
+ *
+ * This deallocates the parameter RAM slots allocated by
+ * edma_alloc_cont_slots.
+ * Callers/applications need to keep track of sets of contiguous
+ * parameter RAMs that have been allocated using the edma_alloc_cont_slots
+ * API.
+ * Callers are responsible for ensuring the slots are inactive, and will
+ * not be activated.
+ */
+int edma_free_cont_slots(unsigned slot, int count)
+{
+ unsigned ctlr;
+ int i;
+
+ ctlr = EDMA_CTLR(slot);
+ slot = EDMA_CHAN_SLOT(slot);
+
+ if (slot < edma_info[ctlr]->num_channels ||
+ slot >= edma_info[ctlr]->num_slots ||
+ count < 1)
+ return -EINVAL;
+
+ for (i = slot; i < slot + count; ++i) {
+ ctlr = EDMA_CTLR(i);
+ slot = EDMA_CHAN_SLOT(i);
+
+ memcpy_toio(edmacc_regs_base[ctlr] + PARM_OFFSET(slot),
+ &dummy_paramset, PARM_SIZE);
+ clear_bit(slot, edma_info[ctlr]->edma_inuse);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(edma_free_cont_slots);
+
/*-----------------------------------------------------------------------*/
/* Parameter RAM operations (i) -- read/write partial slots */
diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h
index 3c7dc2db70e4..eb8bfd7925e7 100644
--- a/arch/arm/mach-davinci/include/mach/edma.h
+++ b/arch/arm/mach-davinci/include/mach/edma.h
@@ -226,6 +226,9 @@ enum sync_dimension {
#define EDMA_CHANNEL_ANY -1 /* for edma_alloc_channel() */
#define EDMA_SLOT_ANY -1 /* for edma_alloc_slot() */
+#define EDMA_CONT_PARAMS_ANY 1001
+#define EDMA_CONT_PARAMS_FIXED_EXACT 1002
+#define EDMA_CONT_PARAMS_FIXED_NOT_EXACT 1003
/* alloc/free DMA channels and their dedicated parameter RAM slots */
int edma_alloc_channel(int channel,
@@ -237,6 +240,10 @@ void edma_free_channel(unsigned channel);
int edma_alloc_slot(unsigned ctlr, int slot);
void edma_free_slot(unsigned slot);
+/* alloc/free a set of contiguous parameter RAM slots */
+int edma_alloc_cont_slots(unsigned ctlr, unsigned int id, int slot, int count);
+int edma_free_cont_slots(unsigned slot, int count);
+
/* calls that operate on part of a parameter RAM slot */
void edma_set_src(unsigned slot, dma_addr_t src_port,
enum address_mode mode, enum fifo_width);
--
GitLab
From 1a7ff8ff6eebfa732ca2abe00a0878136bfb2d01 Mon Sep 17 00:00:00 2001
From: Chaithrika U S <chaithrika@ti.com>
Date: Tue, 25 Aug 2009 15:20:05 +0300
Subject: [PATCH 349/742] davinci: audio: move tlv320aic33 i2c setup into board
files
Tested on DM6446, DM355, DM6447, DA850 EVMs.
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-da830-evm.c | 3 +++
arch/arm/mach-davinci/board-da850-evm.c | 9 +++++++++
arch/arm/mach-davinci/board-dm355-evm.c | 2 +-
arch/arm/mach-davinci/board-dm644x-evm.c | 4 +++-
arch/arm/mach-davinci/board-dm646x-evm.c | 3 +++
5 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index a45340de7465..bfbb63936f33 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -41,6 +41,9 @@ static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
I2C_BOARD_INFO("24c256", 0x50),
.platform_data = &da830_evm_i2c_eeprom_info,
},
+ {
+ I2C_BOARD_INFO("tlv320aic3x", 0x18),
+ }
};
static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index f2946a0cf6f6..c759d72494e0 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -143,6 +143,12 @@ static struct platform_device da850_evm_nandflash_device = {
.resource = da850_evm_nandflash_resource,
};
+static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("tlv320aic3x", 0x18),
+ }
+};
+
static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
.bus_freq = 100, /* kHz */
.bus_delay = 0, /* usec */
@@ -343,6 +349,9 @@ static __init void da850_evm_init(void)
davinci_serial_init(&da850_evm_uart_config);
+ i2c_register_board_info(1, da850_evm_i2c_devices,
+ ARRAY_SIZE(da850_evm_i2c_devices));
+
/*
* shut down uart 0 and 1; they are not used on the board and
* accessing them causes endless "too much work in irq53" messages
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index 38157f78e1a4..9f25fd8ca4a9 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -139,7 +139,7 @@ static struct i2c_board_info dm355evm_i2c_info[] = {
{ I2C_BOARD_INFO("dm355evm_msp", 0x25),
.platform_data = dm355evm_mmcsd_gpios,
/* plus irq */ },
- /* { I2C_BOARD_INFO("tlv320aic3x", 0x1b), }, */
+ { I2C_BOARD_INFO("tlv320aic33", 0x1b), },
/* { I2C_BOARD_INFO("tvp5146", 0x5d), }, */
};
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index 6a27c5db3282..31cf84fbb01a 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -559,8 +559,10 @@ static struct i2c_board_info __initdata i2c_info[] = {
I2C_BOARD_INFO("24c256", 0x50),
.platform_data = &eeprom_info,
},
+ {
+ I2C_BOARD_INFO("tlv320aic33", 0x1b),
+ },
/* ALSO:
- * - tvl320aic33 audio codec (0x1b)
* - tvp5146 video decoder (0x5d)
*/
};
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index cb30afe22050..20547049b489 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -299,6 +299,9 @@ static struct i2c_board_info __initdata i2c_info[] = {
{
I2C_BOARD_INFO("cpld_reg0", 0x3a),
},
+ {
+ I2C_BOARD_INFO("tlv320aic33", 0x18),
+ }
};
static struct davinci_i2c_platform_data i2c_pdata = {
--
GitLab
From e76a0136a3cf1859fbc07f122e42293d22229558 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 27 Aug 2009 11:31:16 +0900
Subject: [PATCH 350/742] sh: Fix up sh4_flush_dcache_page() build on UP.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh4.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index e3b77f0fa470..2775f84d9aa3 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -103,8 +103,9 @@ static inline void flush_cache_4096(unsigned long start,
* Write back & invalidate the D-cache of the page.
* (To avoid "alias" issues)
*/
-static void sh4_flush_dcache_page(void *page)
+static void sh4_flush_dcache_page(void *arg)
{
+ struct page *page = arg;
#ifndef CONFIG_SMP
struct address_space *mapping = page_mapping(page);
--
GitLab
From b37c7c66f08df66ba7a8269b6d1af949ef8dbd95 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 26 Aug 2009 10:49:44 +0000
Subject: [PATCH 351/742] sh: fix CPU_SH7723/7724 numbering bug
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh4/probe.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 10e6795b56aa..afd3e73d5ad4 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -141,7 +141,7 @@ int __init detect_cpu_and_cache_system(void)
case 0x300b:
switch (prr) {
case 0x20:
- boot_cpu_data.type = CPU_SH7723;
+ boot_cpu_data.type = CPU_SH7724;
boot_cpu_data.flags |= CPU_HAS_L2_CACHE;
break;
case 0x50:
--
GitLab
From b7056bc1943ec85084450e2f105650f837ae5cfc Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 26 Aug 2009 11:04:22 +0000
Subject: [PATCH 352/742] sh: modify to enable boot for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 33 ++++++++++++----------------
arch/sh/configs/ecovec24_defconfig | 20 ++++++++++++-----
2 files changed, 28 insertions(+), 25 deletions(-)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index b634a72da1e6..e555b9282498 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -19,14 +19,14 @@
#include <cpu/sh7724.h>
/*
- * Area Address Interface size BusWidth
- * 0 0x0000_0000 ~ 0x03FF_FFFF FROM 64MB 16bit
- * 1 0x0400_0000 ~ 0x07FF_FFFF Internal I/O 64MB 16/32bit
- * 2 0x0800_0000 ~ 0x0BFF_FFFF DRAM 2 64MB 32bit
- * 3 0x0C00_0000 ~ 0x0FFF_FFFF DRAM 3 64MB 32bit
- * 4 0x1000_0000 ~ 0x13FF_FFFF DRAM 4 64MB 32bit
- * 5 0x1400_0000 ~ 0x17FF_FFFF DRAM 5 64MB 32bit
- * 6 0x1800_0000 ~ 0x1BFF_FFFF MFI 64MB 16bit
+ * Address Interface BusWidth
+ *-----------------------------------------
+ * 0x0000_0000 uboot 16bit
+ * 0x0004_0000 Linux romImage 16bit
+ * 0x0014_0000 MTD for Linux 16bit
+ * 0x0400_0000 Internal I/O 16/32bit
+ * 0x0800_0000 DRAM 32bit
+ * 0x1800_0000 MFI 16bit
*/
/* Heartbeat */
@@ -58,14 +58,10 @@ static struct platform_device heartbeat_device = {
/* MTD */
static struct mtd_partition nor_flash_partitions[] = {
{
- .name = "uboot",
+ .name = "boot loader",
.offset = 0,
- .size = (256 * 1024),
+ .size = (5 * 1024 * 1024),
.mask_flags = MTD_CAP_ROM,
- }, {
- .name = "kernel",
- .offset = MTDPART_OFS_APPEND,
- .size = (2 * 1024 * 1024),
}, {
.name = "free-area",
.offset = MTDPART_OFS_APPEND,
@@ -107,17 +103,16 @@ static int __init devices_setup(void)
/* enable SCIFA0 */
gpio_request(GPIO_FN_SCIF0_TXD, NULL);
gpio_request(GPIO_FN_SCIF0_RXD, NULL);
- gpio_request(GPIO_FN_SCIF0_SCK, NULL);
/* enable debug LED */
gpio_request(GPIO_PTG0, NULL);
gpio_request(GPIO_PTG1, NULL);
gpio_request(GPIO_PTG2, NULL);
gpio_request(GPIO_PTG3, NULL);
- gpio_direction_output(GPIO_PTT0, 0);
- gpio_direction_output(GPIO_PTT1, 0);
- gpio_direction_output(GPIO_PTT2, 0);
- gpio_direction_output(GPIO_PTT3, 0);
+ gpio_direction_output(GPIO_PTG0, 0);
+ gpio_direction_output(GPIO_PTG1, 0);
+ gpio_direction_output(GPIO_PTG2, 0);
+ gpio_direction_output(GPIO_PTG3, 0);
return platform_add_devices(ecovec_devices,
ARRAY_SIZE(ecovec_devices));
diff --git a/arch/sh/configs/ecovec24_defconfig b/arch/sh/configs/ecovec24_defconfig
index 6d983f6864ca..2050a76683c3 100644
--- a/arch/sh/configs/ecovec24_defconfig
+++ b/arch/sh/configs/ecovec24_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.31-rc6
-# Tue Aug 18 11:32:44 2009
+# Linux kernel version: 2.6.31-rc7
+# Wed Aug 26 09:09:07 2009
#
CONFIG_SUPERH=y
CONFIG_SUPERH32=y
@@ -151,7 +151,7 @@ CONFIG_IOSCHED_CFQ=y
CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="cfq"
-# CONFIG_FREEZER is not set
+CONFIG_FREEZER=y
#
# System type
@@ -185,6 +185,7 @@ CONFIG_ARCH_SHMOBILE=y
# CONFIG_CPU_SUBTYPE_SH4_202 is not set
# CONFIG_CPU_SUBTYPE_SH7723 is not set
CONFIG_CPU_SUBTYPE_SH7724=y
+# CONFIG_CPU_SUBTYPE_SH7757 is not set
# CONFIG_CPU_SUBTYPE_SH7763 is not set
# CONFIG_CPU_SUBTYPE_SH7770 is not set
# CONFIG_CPU_SUBTYPE_SH7780 is not set
@@ -314,7 +315,7 @@ CONFIG_ZERO_PAGE_OFFSET=0x00001000
CONFIG_BOOT_LINK_OFFSET=0x00800000
CONFIG_ENTRY_OFFSET=0x00001000
CONFIG_CMDLINE_BOOL=y
-CONFIG_CMDLINE="console=tty0, console=ttySC3,115200 root=/dev/nfs ip=dhcp mem=120M memchunk.vpu=4m"
+CONFIG_CMDLINE="console=tty0, console=ttySC0,115200 root=/dev/nfs ip=dhcp mem=120M memchunk.vpu=4m"
#
# Bus options
@@ -333,7 +334,13 @@ CONFIG_BINFMT_ELF=y
#
# Power management options (EXPERIMENTAL)
#
-# CONFIG_PM is not set
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+# CONFIG_HIBERNATION is not set
+CONFIG_PM_RUNTIME=y
# CONFIG_CPU_IDLE is not set
CONFIG_NET=y
@@ -641,7 +648,7 @@ CONFIG_MII=y
# CONFIG_AX88796 is not set
# CONFIG_STNIC is not set
CONFIG_SH_ETH=y
-CONFIG_SMC91X=y
+# CONFIG_SMC91X is not set
# CONFIG_ENC28J60 is not set
# CONFIG_ETHOC is not set
# CONFIG_SMC911X is not set
@@ -1048,6 +1055,7 @@ CONFIG_USB=y
CONFIG_USB_DEVICEFS=y
CONFIG_USB_DEVICE_CLASS=y
# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_SUSPEND is not set
# CONFIG_USB_OTG is not set
# CONFIG_USB_OTG_WHITELIST is not set
# CONFIG_USB_OTG_BLACKLIST_HUB is not set
--
GitLab
From 35a35408914bcd22dbaeea710ec1e711b673b59e Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 26 Aug 2009 11:04:26 +0000
Subject: [PATCH 353/742] sh: Add SH-ETH support for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 53 +++++++++++++++++++++++++++-
1 file changed, 52 insertions(+), 1 deletion(-)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index e555b9282498..8c0c8453d089 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -14,8 +14,10 @@
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
-#include <asm/io.h>
+#include <linux/io.h>
+#include <linux/delay.h>
#include <asm/heartbeat.h>
+#include <asm/sh_eth.h>
#include <cpu/sh7724.h>
/*
@@ -93,9 +95,41 @@ static struct platform_device nor_flash_device = {
},
};
+/* SH Eth */
+#define SH_ETH_ADDR (0xA4600000)
+#define SH_ETH_MAHR (SH_ETH_ADDR + 0x1C0)
+#define SH_ETH_MALR (SH_ETH_ADDR + 0x1C8)
+static struct resource sh_eth_resources[] = {
+ [0] = {
+ .start = SH_ETH_ADDR,
+ .end = SH_ETH_ADDR + 0x1FC,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 91,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
+ },
+};
+
+struct sh_eth_plat_data sh_eth_plat = {
+ .phy = 0x1f, /* SMSC LAN8700 */
+ .edmac_endian = EDMAC_LITTLE_ENDIAN,
+};
+
+static struct platform_device sh_eth_device = {
+ .name = "sh-eth",
+ .id = 0,
+ .dev = {
+ .platform_data = &sh_eth_plat,
+ },
+ .num_resources = ARRAY_SIZE(sh_eth_resources),
+ .resource = sh_eth_resources,
+};
+
static struct platform_device *ecovec_devices[] __initdata = {
&heartbeat_device,
&nor_flash_device,
+ &sh_eth_device,
};
static int __init devices_setup(void)
@@ -114,6 +148,23 @@ static int __init devices_setup(void)
gpio_direction_output(GPIO_PTG2, 0);
gpio_direction_output(GPIO_PTG3, 0);
+ /* enable SH-Eth */
+ gpio_request(GPIO_PTA1, NULL);
+ gpio_direction_output(GPIO_PTA1, 1);
+ mdelay(20);
+
+ gpio_request(GPIO_FN_RMII_RXD0, NULL);
+ gpio_request(GPIO_FN_RMII_RXD1, NULL);
+ gpio_request(GPIO_FN_RMII_TXD0, NULL);
+ gpio_request(GPIO_FN_RMII_TXD1, NULL);
+ gpio_request(GPIO_FN_RMII_REF_CLK, NULL);
+ gpio_request(GPIO_FN_RMII_TX_EN, NULL);
+ gpio_request(GPIO_FN_RMII_RX_ER, NULL);
+ gpio_request(GPIO_FN_RMII_CRS_DV, NULL);
+ gpio_request(GPIO_FN_MDIO, NULL);
+ gpio_request(GPIO_FN_MDC, NULL);
+ gpio_request(GPIO_FN_LNKSTA, NULL);
+
return platform_add_devices(ecovec_devices,
ARRAY_SIZE(ecovec_devices));
}
--
GitLab
From 907050a33d3b6a9f37e2ceca764b60f8e3922466 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 26 Aug 2009 11:04:31 +0000
Subject: [PATCH 354/742] sh: Add USB support for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 97 ++++++++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 8c0c8453d089..7850818bb4e8 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -16,6 +16,7 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/delay.h>
+#include <linux/usb/r8a66597.h>
#include <asm/heartbeat.h>
#include <asm/sh_eth.h>
#include <cpu/sh7724.h>
@@ -126,10 +127,96 @@ static struct platform_device sh_eth_device = {
.resource = sh_eth_resources,
};
+/* USB0 host */
+void usb0_port_power(int port, int power)
+{
+ gpio_set_value(GPIO_PTB4, power);
+}
+
+static struct r8a66597_platdata usb0_host_data = {
+ .on_chip = 1,
+ .port_power = usb0_port_power,
+};
+
+static struct resource usb0_host_resources[] = {
+ [0] = {
+ .start = 0xa4d80000,
+ .end = 0xa4d80124 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 65,
+ .end = 65,
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
+ },
+};
+
+static struct platform_device usb0_host_device = {
+ .name = "r8a66597_hcd",
+ .id = 0,
+ .dev = {
+ .dma_mask = NULL, /* not use dma */
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &usb0_host_data,
+ },
+ .num_resources = ARRAY_SIZE(usb0_host_resources),
+ .resource = usb0_host_resources,
+};
+
+/*
+ * USB1
+ *
+ * CN5 can use both host/function,
+ * and we can determine it by checking PTB[3]
+ *
+ * This time only USB1 host is supported.
+ */
+void usb1_port_power(int port, int power)
+{
+ if (!gpio_get_value(GPIO_PTB3)) {
+ printk(KERN_ERR "USB1 function is not supported\n");
+ return;
+ }
+
+ gpio_set_value(GPIO_PTB5, power);
+}
+
+static struct r8a66597_platdata usb1_host_data = {
+ .on_chip = 1,
+ .port_power = usb1_port_power,
+};
+
+static struct resource usb1_host_resources[] = {
+ [0] = {
+ .start = 0xa4d90000,
+ .end = 0xa4d90124 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 66,
+ .end = 66,
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
+ },
+};
+
+static struct platform_device usb1_host_device = {
+ .name = "r8a66597_hcd",
+ .id = 1,
+ .dev = {
+ .dma_mask = NULL, /* not use dma */
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &usb1_host_data,
+ },
+ .num_resources = ARRAY_SIZE(usb1_host_resources),
+ .resource = usb1_host_resources,
+};
+
static struct platform_device *ecovec_devices[] __initdata = {
&heartbeat_device,
&nor_flash_device,
&sh_eth_device,
+ &usb0_host_device,
+ &usb1_host_device, /* USB1 host support */
};
static int __init devices_setup(void)
@@ -165,6 +252,16 @@ static int __init devices_setup(void)
gpio_request(GPIO_FN_MDC, NULL);
gpio_request(GPIO_FN_LNKSTA, NULL);
+ /* enable USB */
+ gpio_request(GPIO_PTB3, NULL);
+ gpio_request(GPIO_PTB4, NULL);
+ gpio_request(GPIO_PTB5, NULL);
+ gpio_direction_input(GPIO_PTB3);
+ gpio_direction_output(GPIO_PTB4, 0);
+ gpio_direction_output(GPIO_PTB5, 0);
+ ctrl_outw(0x0600, 0xa40501d4);
+ ctrl_outw(0x0600, 0xa4050192);
+
return platform_add_devices(ecovec_devices,
ARRAY_SIZE(ecovec_devices));
}
--
GitLab
From fa3ba51bcf2351da9869924c8765d7d485226c31 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 26 Aug 2009 11:04:34 +0000
Subject: [PATCH 355/742] sh: Add support LCDC for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 109 +++++++++++++++++++++++++++
1 file changed, 109 insertions(+)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 7850818bb4e8..a575b38016a4 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -17,6 +17,7 @@
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/usb/r8a66597.h>
+#include <video/sh_mobile_lcdc.h>
#include <asm/heartbeat.h>
#include <asm/sh_eth.h>
#include <cpu/sh7724.h>
@@ -211,14 +212,60 @@ static struct platform_device usb1_host_device = {
.resource = usb1_host_resources,
};
+/* LCDC */
+static struct sh_mobile_lcdc_info lcdc_info = {
+ .ch[0] = {
+ .interface_type = RGB18,
+ .chan = LCDC_CHAN_MAINLCD,
+ .bpp = 16,
+ .clock_divider = 1,
+ .lcd_cfg = {
+ .sync = 0, /* hsync and vsync are active low */
+ },
+ .lcd_size_cfg = { /* 7.0 inch */
+ .width = 152,
+ .height = 91,
+ },
+ .board_cfg = {
+ },
+ }
+};
+
+static struct resource lcdc_resources[] = {
+ [0] = {
+ .name = "LCDC",
+ .start = 0xfe940000,
+ .end = 0xfe941fff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 106,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device lcdc_device = {
+ .name = "sh_mobile_lcdc_fb",
+ .num_resources = ARRAY_SIZE(lcdc_resources),
+ .resource = lcdc_resources,
+ .dev = {
+ .platform_data = &lcdc_info,
+ },
+ .archdata = {
+ .hwblk_id = HWBLK_LCDC,
+ },
+};
+
static struct platform_device *ecovec_devices[] __initdata = {
&heartbeat_device,
&nor_flash_device,
&sh_eth_device,
&usb0_host_device,
&usb1_host_device, /* USB1 host support */
+ &lcdc_device,
};
+#define PORT_HIZA 0xA4050158
static int __init devices_setup(void)
{
/* enable SCIFA0 */
@@ -262,6 +309,68 @@ static int __init devices_setup(void)
ctrl_outw(0x0600, 0xa40501d4);
ctrl_outw(0x0600, 0xa4050192);
+ /* enable LCDC */
+ gpio_request(GPIO_FN_LCDD23, NULL);
+ gpio_request(GPIO_FN_LCDD22, NULL);
+ gpio_request(GPIO_FN_LCDD21, NULL);
+ gpio_request(GPIO_FN_LCDD20, NULL);
+ gpio_request(GPIO_FN_LCDD19, NULL);
+ gpio_request(GPIO_FN_LCDD18, NULL);
+ gpio_request(GPIO_FN_LCDD17, NULL);
+ gpio_request(GPIO_FN_LCDD16, NULL);
+ gpio_request(GPIO_FN_LCDD15, NULL);
+ gpio_request(GPIO_FN_LCDD14, NULL);
+ gpio_request(GPIO_FN_LCDD13, NULL);
+ gpio_request(GPIO_FN_LCDD12, NULL);
+ gpio_request(GPIO_FN_LCDD11, NULL);
+ gpio_request(GPIO_FN_LCDD10, NULL);
+ gpio_request(GPIO_FN_LCDD9, NULL);
+ gpio_request(GPIO_FN_LCDD8, NULL);
+ gpio_request(GPIO_FN_LCDD7, NULL);
+ gpio_request(GPIO_FN_LCDD6, NULL);
+ gpio_request(GPIO_FN_LCDD5, NULL);
+ gpio_request(GPIO_FN_LCDD4, NULL);
+ gpio_request(GPIO_FN_LCDD3, NULL);
+ gpio_request(GPIO_FN_LCDD2, NULL);
+ gpio_request(GPIO_FN_LCDD1, NULL);
+ gpio_request(GPIO_FN_LCDD0, NULL);
+ gpio_request(GPIO_FN_LCDDISP, NULL);
+ gpio_request(GPIO_FN_LCDHSYN, NULL);
+ gpio_request(GPIO_FN_LCDDCK, NULL);
+ gpio_request(GPIO_FN_LCDVSYN, NULL);
+ gpio_request(GPIO_FN_LCDDON, NULL);
+ gpio_request(GPIO_FN_LCDLCLK, NULL);
+ ctrl_outw((ctrl_inw(PORT_HIZA) & ~0x0001), PORT_HIZA);
+
+ gpio_request(GPIO_PTE6, NULL);
+ gpio_request(GPIO_PTU1, NULL);
+ gpio_request(GPIO_PTR1, NULL);
+ gpio_request(GPIO_PTA2, NULL);
+ gpio_direction_input(GPIO_PTE6);
+ gpio_direction_output(GPIO_PTU1, 0);
+ gpio_direction_output(GPIO_PTR1, 0);
+ gpio_direction_output(GPIO_PTA2, 0);
+
+ if (gpio_get_value(GPIO_PTE6)) {
+ /* DVI */
+ lcdc_info.clock_source = LCDC_CLK_EXTERNAL;
+ lcdc_info.ch[0].lcd_cfg.name = "DVI";
+ lcdc_info.ch[0].lcd_cfg.xres = 1280;
+ lcdc_info.ch[0].lcd_cfg.yres = 720;
+ lcdc_info.ch[0].lcd_cfg.left_margin = 220;
+ lcdc_info.ch[0].lcd_cfg.right_margin = 110;
+ lcdc_info.ch[0].lcd_cfg.hsync_len = 40;
+ lcdc_info.ch[0].lcd_cfg.upper_margin = 20;
+ lcdc_info.ch[0].lcd_cfg.lower_margin = 5;
+ lcdc_info.ch[0].lcd_cfg.vsync_len = 5;
+
+ gpio_set_value(GPIO_PTA2, 1);
+ gpio_set_value(GPIO_PTU1, 1);
+ } else {
+ /* Panel */
+ /* not supported */
+ }
+
return platform_add_devices(ecovec_devices,
ARRAY_SIZE(ecovec_devices));
}
--
GitLab
From 2153ad3294e3e1e89d27a78d65932352b80a4f78 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 26 Aug 2009 11:04:36 +0000
Subject: [PATCH 356/742] sh: Add CEU support for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 109 +++++++++++++++++++++++++++
1 file changed, 109 insertions(+)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index a575b38016a4..55ff7357e799 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -18,6 +18,7 @@
#include <linux/delay.h>
#include <linux/usb/r8a66597.h>
#include <video/sh_mobile_lcdc.h>
+#include <media/sh_mobile_ceu.h>
#include <asm/heartbeat.h>
#include <asm/sh_eth.h>
#include <cpu/sh7724.h>
@@ -256,6 +257,74 @@ static struct platform_device lcdc_device = {
},
};
+/* CEU0 */
+static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
+ .flags = SH_CEU_FLAG_USE_8BIT_BUS,
+};
+
+static struct resource ceu0_resources[] = {
+ [0] = {
+ .name = "CEU0",
+ .start = 0xfe910000,
+ .end = 0xfe91009f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 52,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* place holder for contiguous memory */
+ },
+};
+
+static struct platform_device ceu0_device = {
+ .name = "sh_mobile_ceu",
+ .id = 0, /* "ceu0" clock */
+ .num_resources = ARRAY_SIZE(ceu0_resources),
+ .resource = ceu0_resources,
+ .dev = {
+ .platform_data = &sh_mobile_ceu0_info,
+ },
+ .archdata = {
+ .hwblk_id = HWBLK_CEU0,
+ },
+};
+
+/* CEU1 */
+static struct sh_mobile_ceu_info sh_mobile_ceu1_info = {
+ .flags = SH_CEU_FLAG_USE_8BIT_BUS,
+};
+
+static struct resource ceu1_resources[] = {
+ [0] = {
+ .name = "CEU1",
+ .start = 0xfe914000,
+ .end = 0xfe91409f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 63,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ /* place holder for contiguous memory */
+ },
+};
+
+static struct platform_device ceu1_device = {
+ .name = "sh_mobile_ceu",
+ .id = 1, /* "ceu1" clock */
+ .num_resources = ARRAY_SIZE(ceu1_resources),
+ .resource = ceu1_resources,
+ .dev = {
+ .platform_data = &sh_mobile_ceu1_info,
+ },
+ .archdata = {
+ .hwblk_id = HWBLK_CEU1,
+ },
+};
+
static struct platform_device *ecovec_devices[] __initdata = {
&heartbeat_device,
&nor_flash_device,
@@ -263,6 +332,8 @@ static struct platform_device *ecovec_devices[] __initdata = {
&usb0_host_device,
&usb1_host_device, /* USB1 host support */
&lcdc_device,
+ &ceu0_device,
+ &ceu1_device,
};
#define PORT_HIZA 0xA4050158
@@ -371,6 +442,44 @@ static int __init devices_setup(void)
/* not supported */
}
+ /* enable CEU0 */
+ gpio_request(GPIO_FN_VIO0_D15, NULL);
+ gpio_request(GPIO_FN_VIO0_D14, NULL);
+ gpio_request(GPIO_FN_VIO0_D13, NULL);
+ gpio_request(GPIO_FN_VIO0_D12, NULL);
+ gpio_request(GPIO_FN_VIO0_D11, NULL);
+ gpio_request(GPIO_FN_VIO0_D10, NULL);
+ gpio_request(GPIO_FN_VIO0_D9, NULL);
+ gpio_request(GPIO_FN_VIO0_D8, NULL);
+ gpio_request(GPIO_FN_VIO0_D7, NULL);
+ gpio_request(GPIO_FN_VIO0_D6, NULL);
+ gpio_request(GPIO_FN_VIO0_D5, NULL);
+ gpio_request(GPIO_FN_VIO0_D4, NULL);
+ gpio_request(GPIO_FN_VIO0_D3, NULL);
+ gpio_request(GPIO_FN_VIO0_D2, NULL);
+ gpio_request(GPIO_FN_VIO0_D1, NULL);
+ gpio_request(GPIO_FN_VIO0_D0, NULL);
+ gpio_request(GPIO_FN_VIO0_VD, NULL);
+ gpio_request(GPIO_FN_VIO0_CLK, NULL);
+ gpio_request(GPIO_FN_VIO0_FLD, NULL);
+ gpio_request(GPIO_FN_VIO0_HD, NULL);
+ platform_resource_setup_memory(&ceu0_device, "ceu0", 4 << 20);
+
+ /* enable CEU1 */
+ gpio_request(GPIO_FN_VIO1_D7, NULL);
+ gpio_request(GPIO_FN_VIO1_D6, NULL);
+ gpio_request(GPIO_FN_VIO1_D5, NULL);
+ gpio_request(GPIO_FN_VIO1_D4, NULL);
+ gpio_request(GPIO_FN_VIO1_D3, NULL);
+ gpio_request(GPIO_FN_VIO1_D2, NULL);
+ gpio_request(GPIO_FN_VIO1_D1, NULL);
+ gpio_request(GPIO_FN_VIO1_D0, NULL);
+ gpio_request(GPIO_FN_VIO1_FLD, NULL);
+ gpio_request(GPIO_FN_VIO1_HD, NULL);
+ gpio_request(GPIO_FN_VIO1_VD, NULL);
+ gpio_request(GPIO_FN_VIO1_CLK, NULL);
+ platform_resource_setup_memory(&ceu1_device, "ceu1", 4 << 20);
+
return platform_add_devices(ecovec_devices,
ARRAY_SIZE(ecovec_devices));
}
--
GitLab
From ea15edb292197aaf0b137621bafb69f6157f4532 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 26 Aug 2009 11:04:39 +0000
Subject: [PATCH 357/742] sh: Add LCDC Panel support for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 30 ++++++++++++++++++++++++++--
1 file changed, 28 insertions(+), 2 deletions(-)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 55ff7357e799..428d1187ce5c 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -219,7 +219,6 @@ static struct sh_mobile_lcdc_info lcdc_info = {
.interface_type = RGB18,
.chan = LCDC_CHAN_MAINLCD,
.bpp = 16,
- .clock_divider = 1,
.lcd_cfg = {
.sync = 0, /* hsync and vsync are active low */
},
@@ -337,6 +336,7 @@ static struct platform_device *ecovec_devices[] __initdata = {
};
#define PORT_HIZA 0xA4050158
+#define IODRIVEA 0xA405018A
static int __init devices_setup(void)
{
/* enable SCIFA0 */
@@ -422,9 +422,13 @@ static int __init devices_setup(void)
gpio_direction_output(GPIO_PTR1, 0);
gpio_direction_output(GPIO_PTA2, 0);
+ /* I/O buffer drive ability is low */
+ ctrl_outw((ctrl_inw(IODRIVEA) & ~0x00c0) | 0x0040 , IODRIVEA);
+
if (gpio_get_value(GPIO_PTE6)) {
/* DVI */
lcdc_info.clock_source = LCDC_CLK_EXTERNAL;
+ lcdc_info.ch[0].clock_divider = 1,
lcdc_info.ch[0].lcd_cfg.name = "DVI";
lcdc_info.ch[0].lcd_cfg.xres = 1280;
lcdc_info.ch[0].lcd_cfg.yres = 720;
@@ -439,7 +443,29 @@ static int __init devices_setup(void)
gpio_set_value(GPIO_PTU1, 1);
} else {
/* Panel */
- /* not supported */
+
+ lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
+ lcdc_info.ch[0].clock_divider = 2,
+ lcdc_info.ch[0].lcd_cfg.name = "Panel";
+ lcdc_info.ch[0].lcd_cfg.xres = 800;
+ lcdc_info.ch[0].lcd_cfg.yres = 480;
+ lcdc_info.ch[0].lcd_cfg.left_margin = 220;
+ lcdc_info.ch[0].lcd_cfg.right_margin = 110;
+ lcdc_info.ch[0].lcd_cfg.hsync_len = 70;
+ lcdc_info.ch[0].lcd_cfg.upper_margin = 20;
+ lcdc_info.ch[0].lcd_cfg.lower_margin = 5;
+ lcdc_info.ch[0].lcd_cfg.vsync_len = 5;
+
+ gpio_set_value(GPIO_PTR1, 1);
+
+ /* FIXME
+ *
+ * LCDDON control is needed for Panel,
+ * but current sh_mobile_lcdc driver doesn't control it.
+ * It is temporary correspondence
+ */
+ gpio_request(GPIO_PTF4, NULL);
+ gpio_direction_output(GPIO_PTF4, 1);
}
/* enable CEU0 */
--
GitLab
From 57844a8f8e29802f37ad9a0f94eb11d6ae358603 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 19 Aug 2009 14:48:38 +0200
Subject: [PATCH 358/742] x86: Add x86_init infrastructure
The upcoming Moorestown support brings the embedded world to x86. The
setup code of x86 has already a couple of hooks which are either
x86_quirks or paravirt ops. Some of those setup hooks are pretty
convoluted like the timer setup and the tsc calibration code. But
there are other places which could do with a cleanup.
Instead of having inline functions/macros which are modified at
compile time I decided to introduce x86_init ops which are
unconditional in the code and make it clear that they can be changed
either during compile time or in the early boot process. The function
pointers are initialized by default functions which can be noops so
that the pointer can be called unconditionally in the most cases. This
also allows us to remove 32bit/64bit, paravirt and other #ifdeffery.
paravirt guests are just a hardware platform in the setup code, so we
should treat them as such and not hide all behind multiple layers of
indirection and compile time dependencies.
It's more obvious that x86_init.timers.timer_init() is a function
pointer than the late_time_init = choose_time_init() obscurity. It's
also way simpler to grep for x86_init.timers.timer_init and find all
the places which modify that function pointer instead of analyzing
weak functions, macros and paravirt indirections.
Note. This is not a general paravirt_ops replacement. It just will
move setup related hooks which are potentially useful for other
platform setup purposes as well out of the paravirt domain.
Add the base infrastructure without any functionality.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/setup.h | 2 ++
arch/x86/include/asm/x86_init.h | 15 +++++++++++++++
arch/x86/kernel/Makefile | 2 +-
arch/x86/kernel/x86_init.c | 17 +++++++++++++++++
4 files changed, 35 insertions(+), 1 deletion(-)
create mode 100644 arch/x86/include/asm/x86_init.h
create mode 100644 arch/x86/kernel/x86_init.c
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 4093d1ed6db2..741e2956f3cf 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -7,6 +7,8 @@
#ifndef __ASSEMBLY__
+#include <asm/x86_init.h>
+
/*
* Any setup quirks to be performed?
*/
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
new file mode 100644
index 000000000000..14d11071675f
--- /dev/null
+++ b/arch/x86/include/asm/x86_init.h
@@ -0,0 +1,15 @@
+#ifndef _ASM_X86_PLATFORM_H
+#define _ASM_X86_PLATFORM_H
+
+/**
+ * struct x86_init_ops - functions for platform specific setup
+ *
+ */
+struct x86_init_ops {
+};
+
+extern struct x86_init_ops x86_init;
+
+extern void x86_init_noop(void);
+
+#endif
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 430d5b24af7b..313ed6fca9b3 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -32,7 +32,7 @@ GCOV_PROFILE_paravirt.o := n
obj-y := process_$(BITS).o signal.o entry_$(BITS).o
obj-y += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
obj-y += time_$(BITS).o ioport.o ldt.o dumpstack.o
-obj-y += setup.o i8259.o irqinit.o
+obj-y += setup.o x86_init.o i8259.o irqinit.o
obj-$(CONFIG_X86_VISWS) += visws_quirks.o
obj-$(CONFIG_X86_32) += probe_roms_32.o
obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
new file mode 100644
index 000000000000..82d510c9c996
--- /dev/null
+++ b/arch/x86/kernel/x86_init.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2009 Thomas Gleixner <tglx@linutronix.de>
+ *
+ * For licencing details see kernel-base/COPYING
+ */
+#include <linux/init.h>
+
+#include <asm/x86_init.h>
+
+void __cpuinit x86_init_noop(void) { }
+
+/*
+ * The platform setup functions are preset with the default functions
+ * for standard PC hardware.
+ */
+struct __initdata x86_init_ops x86_init = {
+};
--
GitLab
From f7cf5a5b8c0e59eac8d30b62271cb0fa52e53ebc Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 19 Aug 2009 14:43:56 +0200
Subject: [PATCH 359/742] x86: Add probe_roms to x86_init
probe_roms is only used on 32bit. Add it to the x86_init ops and
remove the #ifdefs.
Default initializer is x86_init_noop() which is overridden in
the 32bit boot code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/x86_init.h | 10 ++++++++++
arch/x86/kernel/head32.c | 3 +++
arch/x86/kernel/setup.c | 4 +---
arch/x86/kernel/x86_init.c | 4 ++++
4 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 14d11071675f..75e9e68d635f 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -1,11 +1,21 @@
#ifndef _ASM_X86_PLATFORM_H
#define _ASM_X86_PLATFORM_H
+/**
+ * struct x86_init_resources - platform specific resource related ops
+ * @probe_roms: probe BIOS roms
+ *
+ */
+struct x86_init_resources {
+ void (*probe_roms)(void);
+};
+
/**
* struct x86_init_ops - functions for platform specific setup
*
*/
struct x86_init_ops {
+ struct x86_init_resources resources;
};
extern struct x86_init_ops x86_init;
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 3f8579f8d42c..4049353152cf 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -29,6 +29,9 @@ void __init i386_start_kernel(void)
reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
}
#endif
+ /* Initilize 32bit specific setup functions */
+ x86_init.resources.probe_roms = probe_roms;
+
reserve_ebda_region();
/*
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 63f32d220ef2..5796eb158d49 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -835,9 +835,7 @@ void __init setup_arch(char **cmdline_p)
*/
init_hypervisor(&boot_cpu_data);
-#ifdef CONFIG_X86_32
- probe_roms();
-#endif
+ x86_init.resources.probe_roms();
/* after parse_early_param, so could debug it */
insert_resource(&iomem_resource, &code_resource);
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 82d510c9c996..88883f8006c2 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -14,4 +14,8 @@ void __cpuinit x86_init_noop(void) { }
* for standard PC hardware.
*/
struct __initdata x86_init_ops x86_init = {
+
+ .resources = {
+ .probe_roms = x86_init_noop,
+ },
};
--
GitLab
From 8fee697d990c54976c8dc167270633299e2515d2 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 19 Aug 2009 14:55:50 +0200
Subject: [PATCH 360/742] x86: Add request_standard_resources to x86_init
The 32bit and the 64bit code are slighty different in the reservation
of standard resources. Also the upcoming Moorestown support needs its
own version of that.
Add it to x86_init_ops and initialize it with the 64bit default. 32bit
overrides it in early boot. Now moorestown can add it's own override
w/o sprinkling the code with more #ifdefs
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/setup.h | 3 +++
arch/x86/include/asm/x86_init.h | 3 +++
arch/x86/kernel/head32.c | 1 +
arch/x86/kernel/setup.c | 28 ++++++++++++++++------------
arch/x86/kernel/x86_init.c | 3 ++-
5 files changed, 25 insertions(+), 13 deletions(-)
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 741e2956f3cf..19769ac60616 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -88,6 +88,9 @@ extern unsigned long saved_video_mode;
#define paravirt_post_allocator_init() do {} while (0)
#endif
+extern void reserve_standard_io_resources(void);
+extern void i386_reserve_resources(void);
+
#ifndef _SETUP
/*
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 75e9e68d635f..d0d9be25ed93 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -4,10 +4,13 @@
/**
* struct x86_init_resources - platform specific resource related ops
* @probe_roms: probe BIOS roms
+ * @reserve_resources: reserve the standard resources for the
+ * platform
*
*/
struct x86_init_resources {
void (*probe_roms)(void);
+ void (*reserve_resources)(void);
};
/**
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 4049353152cf..d91c37c02069 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -31,6 +31,7 @@ void __init i386_start_kernel(void)
#endif
/* Initilize 32bit specific setup functions */
x86_init.resources.probe_roms = probe_roms;
+ x86_init.resources.reserve_resources = i386_reserve_resources;
reserve_ebda_region();
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 5796eb158d49..c2a8090e8312 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -171,13 +171,6 @@ static struct resource bss_resource = {
#ifdef CONFIG_X86_32
-static struct resource video_ram_resource = {
- .name = "Video RAM area",
- .start = 0xa0000,
- .end = 0xbffff,
- .flags = IORESOURCE_BUSY | IORESOURCE_MEM
-};
-
/* cpu data as detected by the assembly code in head.S */
struct cpuinfo_x86 new_cpu_data __cpuinitdata = {0, 0, 0, 0, -1, 1, 0, 0, -1};
/* common cpu data for all cpus */
@@ -605,7 +598,7 @@ static struct resource standard_io_resources[] = {
.flags = IORESOURCE_BUSY | IORESOURCE_IO }
};
-static void __init reserve_standard_io_resources(void)
+void __init reserve_standard_io_resources(void)
{
int i;
@@ -1013,10 +1006,7 @@ void __init setup_arch(char **cmdline_p)
e820_reserve_resources();
e820_mark_nosave_regions(max_low_pfn);
-#ifdef CONFIG_X86_32
- request_resource(&iomem_resource, &video_ram_resource);
-#endif
- reserve_standard_io_resources();
+ x86_init.resources.reserve_resources();
e820_setup_gap();
@@ -1102,4 +1092,18 @@ void __init x86_quirk_time_init(void)
irq0.mask = cpumask_of_cpu(0);
setup_irq(0, &irq0);
}
+
+static struct resource video_ram_resource = {
+ .name = "Video RAM area",
+ .start = 0xa0000,
+ .end = 0xbffff,
+ .flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
+
+void __init i386_reserve_resources(void)
+{
+ request_resource(&iomem_resource, &video_ram_resource);
+ reserve_standard_io_resources();
+}
+
#endif /* CONFIG_X86_32 */
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 88883f8006c2..68c093b67ecf 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -5,7 +5,7 @@
*/
#include <linux/init.h>
-#include <asm/x86_init.h>
+#include <asm/setup.h>
void __cpuinit x86_init_noop(void) { }
@@ -17,5 +17,6 @@ struct __initdata x86_init_ops x86_init = {
.resources = {
.probe_roms = x86_init_noop,
+ .reserve_resources = reserve_standard_io_resources,
},
};
--
GitLab
From 816c25e7d4fb6fd40022a376e8b7f45b1edf5a89 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 19 Aug 2009 14:36:27 +0200
Subject: [PATCH 361/742] x86: Add reserve_ebda_region to x86_init_ops
reserve_ebda_region needs to be called befor start_kernel. Moorestown
needs to override it. Make it a x86_init_ops function and initialize
it with the default reserve_ebda_region.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/x86_init.h | 2 ++
arch/x86/kernel/head32.c | 4 ++--
arch/x86/kernel/head64.c | 3 +--
arch/x86/kernel/x86_init.c | 2 ++
4 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index d0d9be25ed93..8a971cb3dd3f 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -6,11 +6,13 @@
* @probe_roms: probe BIOS roms
* @reserve_resources: reserve the standard resources for the
* platform
+ * @reserve_ebda_region: reserve the extended bios data area
*
*/
struct x86_init_resources {
void (*probe_roms)(void);
void (*reserve_resources)(void);
+ void (*reserve_ebda_region)(void);
};
/**
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index d91c37c02069..921a23b6c145 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -11,7 +11,7 @@
#include <asm/setup.h>
#include <asm/sections.h>
#include <asm/e820.h>
-#include <asm/bios_ebda.h>
+#include <asm/page.h>
#include <asm/trampoline.h>
void __init i386_start_kernel(void)
@@ -33,7 +33,7 @@ void __init i386_start_kernel(void)
x86_init.resources.probe_roms = probe_roms;
x86_init.resources.reserve_resources = i386_reserve_resources;
- reserve_ebda_region();
+ x86_init.resources.reserve_ebda_region();
/*
* At this point everything still needed from the boot loader
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 70eaa852c732..cead8149c3de 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -23,7 +23,6 @@
#include <asm/sections.h>
#include <asm/kdebug.h>
#include <asm/e820.h>
-#include <asm/bios_ebda.h>
#include <asm/trampoline.h>
static void __init zap_identity_mappings(void)
@@ -112,7 +111,7 @@ void __init x86_64_start_reservations(char *real_mode_data)
}
#endif
- reserve_ebda_region();
+ x86_init.resources.reserve_ebda_region();
/*
* At this point everything still needed from the boot loader
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 68c093b67ecf..1fff49a6858c 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -5,6 +5,7 @@
*/
#include <linux/init.h>
+#include <asm/bios_ebda.h>
#include <asm/setup.h>
void __cpuinit x86_init_noop(void) { }
@@ -18,5 +19,6 @@ struct __initdata x86_init_ops x86_init = {
.resources = {
.probe_roms = x86_init_noop,
.reserve_resources = reserve_standard_io_resources,
+ .reserve_ebda_region = reserve_ebda_region,
},
};
--
GitLab
From 6b18ae3e2ff62daa9f181401759161dd8de0aadf Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 10:19:54 +0200
Subject: [PATCH 362/742] x86: Move memory_setup to x86_init_ops
memory_setup is overridden by x86_quirks and by paravirts with weak
functions and quirks. Unify the whole mess and make it an
unconditional x86_init_ops function which defaults to the standard
function and can be overridden by the early platform code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/e820.h | 2 --
arch/x86/include/asm/paravirt_types.h | 1 -
arch/x86/include/asm/setup.h | 1 -
arch/x86/include/asm/x86_init.h | 2 ++
arch/x86/kernel/apic/numaq_32.c | 1 -
arch/x86/kernel/e820.c | 19 +------------------
arch/x86/kernel/paravirt.c | 6 ------
arch/x86/kernel/visws_quirks.c | 3 ++-
arch/x86/kernel/x86_init.c | 2 ++
arch/x86/lguest/boot.c | 3 ++-
arch/x86/xen/enlighten.c | 3 ++-
11 files changed, 11 insertions(+), 32 deletions(-)
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index 7ecba4d85089..40b4e614fe71 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -126,8 +126,6 @@ extern void e820_reserve_resources(void);
extern void e820_reserve_resources_late(void);
extern void setup_memory_map(void);
extern char *default_machine_specific_memory_setup(void);
-extern char *machine_specific_memory_setup(void);
-extern char *memory_setup(void);
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 2b3371bae295..6d668968b6b8 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -81,7 +81,6 @@ struct pv_init_ops {
/* Basic arch-specific setup */
void (*arch_setup)(void);
- char *(*memory_setup)(void);
void (*post_allocator_init)(void);
/* Print a banner to identify the environment */
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 19769ac60616..9cba9d6ca885 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -22,7 +22,6 @@ struct x86_quirks {
int (*arch_pre_intr_init)(void);
int (*arch_intr_init)(void);
int (*arch_trap_init)(void);
- char * (*arch_memory_setup)(void);
int (*mach_get_smp_config)(unsigned int early);
int (*mach_find_smp_config)(unsigned int reserve);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 8a971cb3dd3f..6c084f2a6c3f 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -7,12 +7,14 @@
* @reserve_resources: reserve the standard resources for the
* platform
* @reserve_ebda_region: reserve the extended bios data area
+ * @memory_setup: platform specific memory setup
*
*/
struct x86_init_resources {
void (*probe_roms)(void);
void (*reserve_resources)(void);
void (*reserve_ebda_region)(void);
+ char *(*memory_setup)(void);
};
/**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index ca96e68f0d23..403c062f69e8 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -260,7 +260,6 @@ static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_pre_time_init = numaq_pre_time_init,
.arch_time_init = NULL,
.arch_pre_intr_init = NULL,
- .arch_memory_setup = NULL,
.arch_intr_init = NULL,
.arch_trap_init = NULL,
.mach_get_smp_config = NULL,
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 5cb5725b2bae..0d804b907e80 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1455,28 +1455,11 @@ char *__init default_machine_specific_memory_setup(void)
return who;
}
-char *__init __attribute__((weak)) machine_specific_memory_setup(void)
-{
- if (x86_quirks->arch_memory_setup) {
- char *who = x86_quirks->arch_memory_setup();
-
- if (who)
- return who;
- }
- return default_machine_specific_memory_setup();
-}
-
-/* Overridden in paravirt.c if CONFIG_PARAVIRT */
-char * __init __attribute__((weak)) memory_setup(void)
-{
- return machine_specific_memory_setup();
-}
-
void __init setup_memory_map(void)
{
char *who;
- who = memory_setup();
+ who = x86_init.resources.memory_setup();
memcpy(&e820_saved, &e820, sizeof(struct e820map));
printk(KERN_INFO "BIOS-provided physical RAM map:\n");
e820_print_map(who);
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 70ec9b951d76..532c9a2626c7 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -60,11 +60,6 @@ static void __init default_banner(void)
pv_info.name);
}
-char *memory_setup(void)
-{
- return pv_init_ops.memory_setup();
-}
-
/* Simple instruction patching code. */
#define DEF_NATIVE(ops, name, code) \
extern const char start_##ops##_##name[], end_##ops##_##name[]; \
@@ -322,7 +317,6 @@ struct pv_init_ops pv_init_ops = {
.patch = native_patch,
.banner = default_banner,
.arch_setup = paravirt_nop,
- .memory_setup = machine_specific_memory_setup,
};
struct pv_time_ops pv_time_ops = {
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 31ffc24eec4d..97c670df1aed 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -239,7 +239,6 @@ static int visws_trap_init(void);
static struct x86_quirks visws_x86_quirks __initdata = {
.arch_time_init = visws_time_init,
.arch_pre_intr_init = visws_pre_intr_init,
- .arch_memory_setup = visws_memory_setup,
.arch_intr_init = NULL,
.arch_trap_init = visws_trap_init,
.mach_get_smp_config = visws_get_smp_config,
@@ -263,6 +262,8 @@ void __init visws_early_detect(void)
*/
x86_quirks = &visws_x86_quirks;
+ x86_init.resources.memory_setup = visws_memory_setup;
+
/*
* Install reboot quirks:
*/
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 1fff49a6858c..1965bff3489c 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -7,6 +7,7 @@
#include <asm/bios_ebda.h>
#include <asm/setup.h>
+#include <asm/e820.h>
void __cpuinit x86_init_noop(void) { }
@@ -20,5 +21,6 @@ struct __initdata x86_init_ops x86_init = {
.probe_roms = x86_init_noop,
.reserve_resources = reserve_standard_io_resources,
.reserve_ebda_region = reserve_ebda_region,
+ .memory_setup = default_machine_specific_memory_setup,
},
};
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index d677fa9ca650..11445c176de6 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1270,7 +1270,6 @@ __init void lguest_init(void)
pv_irq_ops.safe_halt = lguest_safe_halt;
/* Setup operations */
- pv_init_ops.memory_setup = lguest_memory_setup;
pv_init_ops.patch = lguest_patch;
/* Intercepts of various CPU instructions */
@@ -1325,6 +1324,8 @@ __init void lguest_init(void)
pv_time_ops.time_init = lguest_time_init;
pv_time_ops.get_tsc_khz = lguest_tsc_khz;
+ x86_init.resources.memory_setup = lguest_memory_setup;
+
/*
* Now is a good time to look at the implementations of these functions
* before returning to the rest of lguest_init().
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index e90540a46a0b..50b20c64f0bd 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -841,7 +841,6 @@ static const struct pv_init_ops xen_init_ops __initdata = {
.patch = xen_patch,
.banner = xen_banner,
- .memory_setup = xen_memory_setup,
.arch_setup = xen_arch_setup,
.post_allocator_init = xen_post_allocator_init,
};
@@ -982,6 +981,8 @@ asmlinkage void __init xen_start_kernel(void)
pv_apic_ops = xen_apic_ops;
pv_mmu_ops = xen_mmu_ops;
+ x86_init.resources.memory_setup = xen_memory_setup;
+
#ifdef CONFIG_X86_64
/*
* Setup percpu state. We only need to do this for 64-bit
--
GitLab
From f4848472cd99487e182b64fb2a5d0e4fedbe86ad Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 12:05:01 +0200
Subject: [PATCH 363/742] x86: Sanitize smp_record and move it to x86_init_ops
The x86 quirkification introduced an extra ugly hackery with a
variable pointer in the mpparse code. If the pointer is initialized
then it is dereferenced and the variable set to 0 or incremented.
Create a x86_init_ops function and let the affected numaq code
hold the function. Default init is a setup noop.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/setup.h | 1 -
arch/x86/include/asm/x86_init.h | 12 +++++++++++-
arch/x86/kernel/apic/numaq_32.c | 19 ++++++++++++++++---
arch/x86/kernel/mpparse.c | 6 ++----
arch/x86/kernel/x86_init.c | 5 +++++
5 files changed, 34 insertions(+), 9 deletions(-)
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 9cba9d6ca885..bbf2dfd59b47 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -25,7 +25,6 @@ struct x86_quirks {
int (*mach_get_smp_config)(unsigned int early);
int (*mach_find_smp_config)(unsigned int reserve);
- int *mpc_record;
int (*mpc_apic_id)(struct mpc_cpu *m);
void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
void (*mpc_oem_pci_bus)(struct mpc_bus *m);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 6c084f2a6c3f..10b297b1881a 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -1,6 +1,14 @@
#ifndef _ASM_X86_PLATFORM_H
#define _ASM_X86_PLATFORM_H
+/**
+ * struct x86_init_mpparse - platform specific mpparse ops
+ * @mpc_record: platform specific mpc record accounting
+ */
+struct x86_init_mpparse {
+ void (*mpc_record)(unsigned int mode);
+};
+
/**
* struct x86_init_resources - platform specific resource related ops
* @probe_roms: probe BIOS roms
@@ -22,11 +30,13 @@ struct x86_init_resources {
*
*/
struct x86_init_ops {
- struct x86_init_resources resources;
+ struct x86_init_resources resources;
+ struct x86_init_mpparse mpparse;
};
extern struct x86_init_ops x86_init;
extern void x86_init_noop(void);
+extern void x86_init_uint_noop(unsigned int unused);
#endif
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 403c062f69e8..b5f0b1dc7dd0 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -66,7 +66,6 @@ struct mpc_trans {
unsigned short trans_reserved;
};
-/* x86_quirks member */
static int mpc_record;
static struct mpc_trans *translation_table[MAX_MPC_ENTRY];
@@ -177,6 +176,19 @@ static void mpc_oem_pci_bus(struct mpc_bus *m)
quad_local_to_mp_bus_id[quad][local] = m->busid;
}
+/*
+ * Called from mpparse code.
+ * mode = 0: prescan
+ * mode = 1: one mpc entry scanned
+ */
+static void numaq_mpc_record(unsigned int mode)
+{
+ if (!mode)
+ mpc_record = 0;
+ else
+ mpc_record++;
+}
+
static void __init MP_translation_info(struct mpc_trans *m)
{
printk(KERN_INFO
@@ -264,7 +276,6 @@ static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_trap_init = NULL,
.mach_get_smp_config = NULL,
.mach_find_smp_config = NULL,
- .mpc_record = &mpc_record,
.mpc_apic_id = mpc_apic_id,
.mpc_oem_bus_info = mpc_oem_bus_info,
.mpc_oem_pci_bus = mpc_oem_pci_bus,
@@ -285,8 +296,10 @@ static __init void early_check_numaq(void)
if (smp_found_config)
early_get_smp_config();
- if (found_numaq)
+ if (found_numaq) {
x86_quirks = &numaq_x86_quirks;
+ x86_init.mpparse.mpc_record = numaq_mpc_record;
+ }
}
int __init get_memcfg_numaq(void)
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 651c93b28862..b2179fdf0ff7 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -320,8 +320,7 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
/*
* Now process the configuration blocks.
*/
- if (x86_quirks->mpc_record)
- *x86_quirks->mpc_record = 0;
+ x86_init.mpparse.mpc_record(0);
while (count < mpc->length) {
switch (*mpt) {
@@ -353,8 +352,7 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
count = mpc->length;
break;
}
- if (x86_quirks->mpc_record)
- (*x86_quirks->mpc_record)++;
+ x86_init.mpparse.mpc_record(1);
}
#ifdef CONFIG_X86_BIGSMP
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 1965bff3489c..83bd5db376ba 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -10,6 +10,7 @@
#include <asm/e820.h>
void __cpuinit x86_init_noop(void) { }
+void __init x86_init_uint_noop(unsigned int unused) { }
/*
* The platform setup functions are preset with the default functions
@@ -23,4 +24,8 @@ struct __initdata x86_init_ops x86_init = {
.reserve_ebda_region = reserve_ebda_region,
.memory_setup = default_machine_specific_memory_setup,
},
+
+ .mpparse = {
+ .mpc_record = x86_init_uint_noop,
+ },
};
--
GitLab
From de93410310952fb7b705f784ef22493c8362dbe8 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 09:27:29 +0200
Subject: [PATCH 364/742] x86: Move ioapic_ids_setup to x86_init_ops
32bit and also the numaq code have special requirements on the
ioapic_id setup. Convert it to a x86_init_ops function and get rid
of the quirks and #ifdefs
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/io_apic.h | 3 ++-
arch/x86/include/asm/setup.h | 1 -
arch/x86/include/asm/x86_init.h | 2 ++
arch/x86/kernel/apic/io_apic.c | 11 ++++-------
arch/x86/kernel/apic/numaq_32.c | 8 +-------
arch/x86/kernel/head32.c | 3 +++
arch/x86/kernel/x86_init.c | 1 +
7 files changed, 13 insertions(+), 16 deletions(-)
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 330ee807f89e..2b8aeb89933a 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -177,12 +177,13 @@ extern int setup_ioapic_entry(int apic, int irq,
int polarity, int vector, int pin);
extern void ioapic_write_entry(int apic, int pin,
struct IO_APIC_route_entry e);
+extern void setup_ioapic_ids_from_mpc(void);
#else /* !CONFIG_X86_IO_APIC */
#define io_apic_assign_pci_irqs 0
+#define setup_ioapic_ids_from_mpc x86_init_noop
static const int timer_through_8259 = 0;
static inline void ioapic_init_mappings(void) { }
static inline void ioapic_insert_resources(void) { }
-
static inline void probe_nr_irqs_gsi(void) { }
#endif
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index bbf2dfd59b47..cc8b4b0550ea 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -30,7 +30,6 @@ struct x86_quirks {
void (*mpc_oem_pci_bus)(struct mpc_bus *m);
void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
unsigned short oemsize);
- int (*setup_ioapic_ids)(void);
};
extern void x86_quirk_intr_init(void);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 10b297b1881a..65985730b376 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -4,9 +4,11 @@
/**
* struct x86_init_mpparse - platform specific mpparse ops
* @mpc_record: platform specific mpc record accounting
+ * @setup_ioapic_ids: platform specific ioapic id override
*/
struct x86_init_mpparse {
void (*mpc_record)(unsigned int mode);
+ void (*setup_ioapic_ids)(void);
};
/**
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index d2ed6c5ddc80..5f4687187ceb 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2014,7 +2014,7 @@ void disable_IO_APIC(void)
* by Matt Domsch <Matt_Domsch@dell.com> Tue Dec 21 12:25:05 CST 1999
*/
-static void __init setup_ioapic_ids_from_mpc(void)
+void __init setup_ioapic_ids_from_mpc(void)
{
union IO_APIC_reg_00 reg_00;
physid_mask_t phys_id_present_map;
@@ -2023,9 +2023,8 @@ static void __init setup_ioapic_ids_from_mpc(void)
unsigned char old_id;
unsigned long flags;
- if (x86_quirks->setup_ioapic_ids && x86_quirks->setup_ioapic_ids())
+ if (acpi_ioapic)
return;
-
/*
* Don't check I/O APIC IDs for xAPIC systems. They have
* no meaning without the serial APIC bus.
@@ -3061,10 +3060,8 @@ void __init setup_IO_APIC(void)
/*
* Set up IO-APIC IRQ routing.
*/
-#ifdef CONFIG_X86_32
- if (!acpi_ioapic)
- setup_ioapic_ids_from_mpc();
-#endif
+ x86_init.mpparse.setup_ioapic_ids();
+
sync_Arb_IDs();
setup_IO_APIC_irqs();
init_IO_APIC_traps();
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index b5f0b1dc7dd0..f3717659265d 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -262,12 +262,6 @@ static void __init
}
}
-static int __init numaq_setup_ioapic_ids(void)
-{
- /* so can skip it */
- return 1;
-}
-
static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_pre_time_init = numaq_pre_time_init,
.arch_time_init = NULL,
@@ -280,7 +274,6 @@ static struct x86_quirks numaq_x86_quirks __initdata = {
.mpc_oem_bus_info = mpc_oem_bus_info,
.mpc_oem_pci_bus = mpc_oem_pci_bus,
.smp_read_mpc_oem = smp_read_mpc_oem,
- .setup_ioapic_ids = numaq_setup_ioapic_ids,
};
static __init void early_check_numaq(void)
@@ -299,6 +292,7 @@ static __init void early_check_numaq(void)
if (found_numaq) {
x86_quirks = &numaq_x86_quirks;
x86_init.mpparse.mpc_record = numaq_mpc_record;
+ x86_init.mpparse.setup_ioapic_ids = x86_init_noop;
}
}
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 921a23b6c145..a21398fac4fa 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -13,6 +13,8 @@
#include <asm/e820.h>
#include <asm/page.h>
#include <asm/trampoline.h>
+#include <asm/apic.h>
+#include <asm/io_apic.h>
void __init i386_start_kernel(void)
{
@@ -32,6 +34,7 @@ void __init i386_start_kernel(void)
/* Initilize 32bit specific setup functions */
x86_init.resources.probe_roms = probe_roms;
x86_init.resources.reserve_resources = i386_reserve_resources;
+ x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc;
x86_init.resources.reserve_ebda_region();
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 83bd5db376ba..f4a32b3ab024 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -27,5 +27,6 @@ struct __initdata x86_init_ops x86_init = {
.mpparse = {
.mpc_record = x86_init_uint_noop,
+ .setup_ioapic_ids = x86_init_noop,
},
};
--
GitLab
From fd6c6661492226bb82f422157c535ac573cbecbd Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 10:41:58 +0200
Subject: [PATCH 365/742] x86: Move mpc_apic_id to x86_init_ops
The mpc_apic_id setup is handled by a x86_quirk. Make it a
x86_init_ops function with a default implementation.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/mpspec.h | 2 ++
arch/x86/include/asm/setup.h | 2 --
arch/x86/include/asm/x86_init.h | 4 ++++
arch/x86/kernel/apic/numaq_32.c | 2 +-
arch/x86/kernel/mpparse.c | 10 ++++++----
arch/x86/kernel/x86_init.c | 2 ++
6 files changed, 15 insertions(+), 7 deletions(-)
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index e2a1bb6d71ea..03c6a92bfd42 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -62,10 +62,12 @@ extern void get_smp_config(void);
extern void find_smp_config(void);
extern void early_reserve_e820_mpc_new(void);
extern int enable_update_mptable;
+extern int default_mpc_apic_id(struct mpc_cpu *m);
#else
static inline void find_smp_config(void) { }
static inline void early_reserve_e820_mpc_new(void) { }
#define enable_update_mptable 0
+#define default_mpc_apic_id NULL
#endif
void __cpuinit generic_processor_info(int apicid, int version);
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index cc8b4b0550ea..7c7f44f3e4d9 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -12,7 +12,6 @@
/*
* Any setup quirks to be performed?
*/
-struct mpc_cpu;
struct mpc_bus;
struct mpc_oemtable;
@@ -25,7 +24,6 @@ struct x86_quirks {
int (*mach_get_smp_config)(unsigned int early);
int (*mach_find_smp_config)(unsigned int reserve);
- int (*mpc_apic_id)(struct mpc_cpu *m);
void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
void (*mpc_oem_pci_bus)(struct mpc_bus *m);
void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 65985730b376..f2be2a780189 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -1,14 +1,18 @@
#ifndef _ASM_X86_PLATFORM_H
#define _ASM_X86_PLATFORM_H
+struct mpc_cpu;
+
/**
* struct x86_init_mpparse - platform specific mpparse ops
* @mpc_record: platform specific mpc record accounting
* @setup_ioapic_ids: platform specific ioapic id override
+ * @mpc_apic_id: platform specific mpc apic id assignment
*/
struct x86_init_mpparse {
void (*mpc_record)(unsigned int mode);
void (*setup_ioapic_ids)(void);
+ int (*mpc_apic_id)(struct mpc_cpu *m);
};
/**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index f3717659265d..222413f7e797 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -270,7 +270,6 @@ static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_trap_init = NULL,
.mach_get_smp_config = NULL,
.mach_find_smp_config = NULL,
- .mpc_apic_id = mpc_apic_id,
.mpc_oem_bus_info = mpc_oem_bus_info,
.mpc_oem_pci_bus = mpc_oem_pci_bus,
.smp_read_mpc_oem = smp_read_mpc_oem,
@@ -293,6 +292,7 @@ static __init void early_check_numaq(void)
x86_quirks = &numaq_x86_quirks;
x86_init.mpparse.mpc_record = numaq_mpc_record;
x86_init.mpparse.setup_ioapic_ids = x86_init_noop;
+ x86_init.mpparse.mpc_apic_id = mpc_apic_id;
}
}
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index b2179fdf0ff7..04560860a72a 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -45,6 +45,11 @@ static int __init mpf_checksum(unsigned char *mp, int len)
return sum & 0xFF;
}
+int __init default_mpc_apic_id(struct mpc_cpu *m)
+{
+ return m->apicid;
+}
+
static void __init MP_processor_info(struct mpc_cpu *m)
{
int apicid;
@@ -55,10 +60,7 @@ static void __init MP_processor_info(struct mpc_cpu *m)
return;
}
- if (x86_quirks->mpc_apic_id)
- apicid = x86_quirks->mpc_apic_id(m);
- else
- apicid = m->apicid;
+ apicid = x86_init.mpparse.mpc_apic_id(m);
if (m->cpuflag & CPU_BOOTPROCESSOR) {
bootup_cpu = " (Bootup-CPU)";
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index f4a32b3ab024..08749f2612f3 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -6,6 +6,7 @@
#include <linux/init.h>
#include <asm/bios_ebda.h>
+#include <asm/mpspec.h>
#include <asm/setup.h>
#include <asm/e820.h>
@@ -28,5 +29,6 @@ struct __initdata x86_init_ops x86_init = {
.mpparse = {
.mpc_record = x86_init_uint_noop,
.setup_ioapic_ids = x86_init_noop,
+ .mpc_apic_id = default_mpc_apic_id,
},
};
--
GitLab
From 72302142e165313ee58af81bd76708c12b58d7ab Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 12:18:32 +0200
Subject: [PATCH 366/742] x86: Move smp_read_mpc_oem to x86_init_ops.
Move smp_read_mpc_oem from quirks to x86_init.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/mpspec.h | 2 ++
arch/x86/include/asm/setup.h | 3 ---
arch/x86/include/asm/x86_init.h | 3 +++
arch/x86/kernel/apic/numaq_32.c | 6 +++---
arch/x86/kernel/mpparse.c | 8 ++++----
arch/x86/kernel/x86_init.c | 1 +
6 files changed, 13 insertions(+), 10 deletions(-)
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index 03c6a92bfd42..5de8e92be2dc 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -63,11 +63,13 @@ extern void find_smp_config(void);
extern void early_reserve_e820_mpc_new(void);
extern int enable_update_mptable;
extern int default_mpc_apic_id(struct mpc_cpu *m);
+extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
#else
static inline void find_smp_config(void) { }
static inline void early_reserve_e820_mpc_new(void) { }
#define enable_update_mptable 0
#define default_mpc_apic_id NULL
+#define default_smp_read_mpc_oem NULL
#endif
void __cpuinit generic_processor_info(int apicid, int version);
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 7c7f44f3e4d9..adb5d44d9909 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -13,7 +13,6 @@
* Any setup quirks to be performed?
*/
struct mpc_bus;
-struct mpc_oemtable;
struct x86_quirks {
int (*arch_pre_time_init)(void);
@@ -26,8 +25,6 @@ struct x86_quirks {
void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
void (*mpc_oem_pci_bus)(struct mpc_bus *m);
- void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
- unsigned short oemsize);
};
extern void x86_quirk_intr_init(void);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index f2be2a780189..fc0eef2f5fdc 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -2,17 +2,20 @@
#define _ASM_X86_PLATFORM_H
struct mpc_cpu;
+struct mpc_table;
/**
* struct x86_init_mpparse - platform specific mpparse ops
* @mpc_record: platform specific mpc record accounting
* @setup_ioapic_ids: platform specific ioapic id override
* @mpc_apic_id: platform specific mpc apic id assignment
+ * @smp_read_mpc_oem: platform specific oem mpc table setup
*/
struct x86_init_mpparse {
void (*mpc_record)(unsigned int mode);
void (*setup_ioapic_ids)(void);
int (*mpc_apic_id)(struct mpc_cpu *m);
+ void (*smp_read_mpc_oem)(struct mpc_table *mpc);
};
/**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 222413f7e797..1bd3b0ed2400 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -218,9 +218,9 @@ static int __init mpf_checksum(unsigned char *mp, int len)
/*
* Read/parse the MPC oem tables
*/
-static void __init
- smp_read_mpc_oem(struct mpc_oemtable *oemtable, unsigned short oemsize)
+static void __init smp_read_mpc_oem(struct mpc_table *mpc)
{
+ struct mpc_oemtable *oemtable = (void *)(long)mpc->oemptr;
int count = sizeof(*oemtable); /* the header size */
unsigned char *oemptr = ((unsigned char *)oemtable) + count;
@@ -272,7 +272,6 @@ static struct x86_quirks numaq_x86_quirks __initdata = {
.mach_find_smp_config = NULL,
.mpc_oem_bus_info = mpc_oem_bus_info,
.mpc_oem_pci_bus = mpc_oem_pci_bus,
- .smp_read_mpc_oem = smp_read_mpc_oem,
};
static __init void early_check_numaq(void)
@@ -293,6 +292,7 @@ static __init void early_check_numaq(void)
x86_init.mpparse.mpc_record = numaq_mpc_record;
x86_init.mpparse.setup_ioapic_ids = x86_init_noop;
x86_init.mpparse.mpc_apic_id = mpc_apic_id;
+ x86_init.mpparse.smp_read_mpc_oem = smp_read_mpc_oem;
}
}
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 04560860a72a..45abdf63edcd 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -293,6 +293,8 @@ static void __init smp_dump_mptable(struct mpc_table *mpc, unsigned char *mpt)
1, mpc, mpc->length, 1);
}
+void __init default_smp_read_mpc_oem(struct mpc_table *mpc) { }
+
static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
{
char str[16];
@@ -314,10 +316,8 @@ static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
if (early)
return 1;
- if (mpc->oemptr && x86_quirks->smp_read_mpc_oem) {
- struct mpc_oemtable *oem_table = (void *)(long)mpc->oemptr;
- x86_quirks->smp_read_mpc_oem(oem_table, mpc->oemsize);
- }
+ if (mpc->oemptr)
+ x86_init.mpparse.smp_read_mpc_oem(mpc);
/*
* Now process the configuration blocks.
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 08749f2612f3..fb5d93c077d8 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -30,5 +30,6 @@ struct __initdata x86_init_ops x86_init = {
.mpc_record = x86_init_uint_noop,
.setup_ioapic_ids = x86_init_noop,
.mpc_apic_id = default_mpc_apic_id,
+ .smp_read_mpc_oem = default_smp_read_mpc_oem,
},
};
--
GitLab
From 52fdb5684660f9fd7129f7bbbe279a02893bacb8 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 12:45:33 +0200
Subject: [PATCH 367/742] x86: Move mpc_oem_pci_bus to x86_init_ops
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/setup.h | 1 -
arch/x86/include/asm/x86_init.h | 3 +++
arch/x86/kernel/apic/numaq_32.c | 2 +-
arch/x86/kernel/mpparse.c | 4 ++--
4 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index adb5d44d9909..fd2267baba1d 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -24,7 +24,6 @@ struct x86_quirks {
int (*mach_find_smp_config)(unsigned int reserve);
void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
- void (*mpc_oem_pci_bus)(struct mpc_bus *m);
};
extern void x86_quirk_intr_init(void);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index fc0eef2f5fdc..404e2d2b06d3 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -1,6 +1,7 @@
#ifndef _ASM_X86_PLATFORM_H
#define _ASM_X86_PLATFORM_H
+struct mpc_bus;
struct mpc_cpu;
struct mpc_table;
@@ -10,12 +11,14 @@ struct mpc_table;
* @setup_ioapic_ids: platform specific ioapic id override
* @mpc_apic_id: platform specific mpc apic id assignment
* @smp_read_mpc_oem: platform specific oem mpc table setup
+ * @mpc_oem_pci_bus: platform specific pci bus setup (default NULL)
*/
struct x86_init_mpparse {
void (*mpc_record)(unsigned int mode);
void (*setup_ioapic_ids)(void);
int (*mpc_apic_id)(struct mpc_cpu *m);
void (*smp_read_mpc_oem)(struct mpc_table *mpc);
+ void (*mpc_oem_pci_bus)(struct mpc_bus *m);
};
/**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 1bd3b0ed2400..feebe8eed7dd 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -271,7 +271,6 @@ static struct x86_quirks numaq_x86_quirks __initdata = {
.mach_get_smp_config = NULL,
.mach_find_smp_config = NULL,
.mpc_oem_bus_info = mpc_oem_bus_info,
- .mpc_oem_pci_bus = mpc_oem_pci_bus,
};
static __init void early_check_numaq(void)
@@ -293,6 +292,7 @@ static __init void early_check_numaq(void)
x86_init.mpparse.setup_ioapic_ids = x86_init_noop;
x86_init.mpparse.mpc_apic_id = mpc_apic_id;
x86_init.mpparse.smp_read_mpc_oem = smp_read_mpc_oem;
+ x86_init.mpparse.mpc_oem_pci_bus = mpc_oem_pci_bus;
}
}
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 45abdf63edcd..72e1140723cf 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -98,8 +98,8 @@ static void __init MP_bus_info(struct mpc_bus *m)
mp_bus_id_to_type[m->busid] = MP_BUS_ISA;
#endif
} else if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) {
- if (x86_quirks->mpc_oem_pci_bus)
- x86_quirks->mpc_oem_pci_bus(m);
+ if (x86_init.mpparse.mpc_oem_pci_bus)
+ x86_init.mpparse.mpc_oem_pci_bus(m);
clear_bit(m->busid, mp_bus_not_pci);
#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
--
GitLab
From 90e1c6969d8711edb888a00ec54c74370f125c8f Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 12:34:47 +0200
Subject: [PATCH 368/742] x86: Move oem_bus_info to x86_init_ops
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/mpspec.h | 6 ++++++
arch/x86/include/asm/setup.h | 3 ---
arch/x86/include/asm/x86_init.h | 2 ++
arch/x86/kernel/apic/numaq_32.c | 2 +-
arch/x86/kernel/mpparse.c | 14 ++++++++------
arch/x86/kernel/x86_init.c | 1 +
6 files changed, 18 insertions(+), 10 deletions(-)
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index 5de8e92be2dc..e3c579efde7a 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -64,12 +64,18 @@ extern void early_reserve_e820_mpc_new(void);
extern int enable_update_mptable;
extern int default_mpc_apic_id(struct mpc_cpu *m);
extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
+# ifdef CONFIG_X86_IO_APIC
+extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
+# else
+# define default_mpc_oem_bus_info NULL
+# endif
#else
static inline void find_smp_config(void) { }
static inline void early_reserve_e820_mpc_new(void) { }
#define enable_update_mptable 0
#define default_mpc_apic_id NULL
#define default_smp_read_mpc_oem NULL
+#define default_mpc_oem_bus_info NULL
#endif
void __cpuinit generic_processor_info(int apicid, int version);
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index fd2267baba1d..6121a8ac7b06 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -12,7 +12,6 @@
/*
* Any setup quirks to be performed?
*/
-struct mpc_bus;
struct x86_quirks {
int (*arch_pre_time_init)(void);
@@ -22,8 +21,6 @@ struct x86_quirks {
int (*arch_trap_init)(void);
int (*mach_get_smp_config)(unsigned int early);
int (*mach_find_smp_config)(unsigned int reserve);
-
- void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
};
extern void x86_quirk_intr_init(void);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 404e2d2b06d3..2833a873a903 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -12,6 +12,7 @@ struct mpc_table;
* @mpc_apic_id: platform specific mpc apic id assignment
* @smp_read_mpc_oem: platform specific oem mpc table setup
* @mpc_oem_pci_bus: platform specific pci bus setup (default NULL)
+ * @mpc_oem_bus_info: platform specific mpc bus info
*/
struct x86_init_mpparse {
void (*mpc_record)(unsigned int mode);
@@ -19,6 +20,7 @@ struct x86_init_mpparse {
int (*mpc_apic_id)(struct mpc_cpu *m);
void (*smp_read_mpc_oem)(struct mpc_table *mpc);
void (*mpc_oem_pci_bus)(struct mpc_bus *m);
+ void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
};
/**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index feebe8eed7dd..700273dca684 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -270,7 +270,6 @@ static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_trap_init = NULL,
.mach_get_smp_config = NULL,
.mach_find_smp_config = NULL,
- .mpc_oem_bus_info = mpc_oem_bus_info,
};
static __init void early_check_numaq(void)
@@ -293,6 +292,7 @@ static __init void early_check_numaq(void)
x86_init.mpparse.mpc_apic_id = mpc_apic_id;
x86_init.mpparse.smp_read_mpc_oem = smp_read_mpc_oem;
x86_init.mpparse.mpc_oem_pci_bus = mpc_oem_pci_bus;
+ x86_init.mpparse.mpc_oem_bus_info = mpc_oem_bus_info;
}
}
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 72e1140723cf..a42f23f1dc7e 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -72,16 +72,18 @@ static void __init MP_processor_info(struct mpc_cpu *m)
}
#ifdef CONFIG_X86_IO_APIC
-static void __init MP_bus_info(struct mpc_bus *m)
+void __init default_mpc_oem_bus_info(struct mpc_bus *m, char *str)
{
- char str[7];
memcpy(str, m->bustype, 6);
str[6] = 0;
+ apic_printk(APIC_VERBOSE, "Bus #%d is %s\n", m->busid, str);
+}
+
+static void __init MP_bus_info(struct mpc_bus *m)
+{
+ char str[7];
- if (x86_quirks->mpc_oem_bus_info)
- x86_quirks->mpc_oem_bus_info(m, str);
- else
- apic_printk(APIC_VERBOSE, "Bus #%d is %s\n", m->busid, str);
+ x86_init.mpparse.mpc_oem_bus_info(m, str);
#if MAX_MP_BUSSES < 256
if (m->busid >= MAX_MP_BUSSES) {
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index fb5d93c077d8..27685edc5460 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -31,5 +31,6 @@ struct __initdata x86_init_ops x86_init = {
.setup_ioapic_ids = x86_init_noop,
.mpc_apic_id = default_mpc_apic_id,
.smp_read_mpc_oem = default_smp_read_mpc_oem,
+ .mpc_oem_bus_info = default_mpc_oem_bus_info,
},
};
--
GitLab
From f840dd5e7424a0c8a7166fc3e87798d0e44d3ce7 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 27 Aug 2009 11:58:54 +0900
Subject: [PATCH 369/742] sh: Tidy up watchdog build for SH-2.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/watchdog.h | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/arch/sh/include/asm/watchdog.h b/arch/sh/include/asm/watchdog.h
index f024fed00a72..2fe7cee9e43a 100644
--- a/arch/sh/include/asm/watchdog.h
+++ b/arch/sh/include/asm/watchdog.h
@@ -13,10 +13,18 @@
#ifdef __KERNEL__
#include <linux/types.h>
+#include <linux/io.h>
+
+#define WTCNT_HIGH 0x5a
+#define WTCSR_HIGH 0xa5
+
+#define WTCSR_CKS2 0x04
+#define WTCSR_CKS1 0x02
+#define WTCSR_CKS0 0x01
+
#include <cpu/watchdog.h>
-#include <asm/io.h>
-/*
+/*
* See cpu-sh2/watchdog.h for explanation of this stupidity..
*/
#ifndef WTCNT_R
@@ -27,13 +35,6 @@
# define WTCSR_R WTCSR
#endif
-#define WTCNT_HIGH 0x5a
-#define WTCSR_HIGH 0xa5
-
-#define WTCSR_CKS2 0x04
-#define WTCSR_CKS1 0x02
-#define WTCSR_CKS0 0x01
-
/*
* CKS0-2 supports a number of clock division ratios. At the time the watchdog
* is enabled, it defaults to a 41 usec overflow period .. we overload this to
--
GitLab
From e79d57479c86e388051244e1f17851a0e63d1ff0 Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Date: Thu, 27 Aug 2009 13:57:26 +0000
Subject: [PATCH 370/742] sh: sh7785lcr: fix prototype board on 32bit MMU mode.
Fix up PCA9564 resources on 32bit MMU mode using prototype board.
Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Tested-by: Raul Porcel <armin76@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/Kconfig | 7 +++++++
arch/sh/boards/board-sh7785lcr.c | 18 ++++++++++++++++++
arch/sh/include/mach-common/mach/sh7785lcr.h | 2 ++
arch/sh/tools/mach-types | 1 +
4 files changed, 28 insertions(+)
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index b66f6d16523e..ee5bb200c715 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -171,6 +171,13 @@ config SH_SH7785LCR_29BIT_PHYSMAPS
DIP switch(S2-5). If you set the DIP switch for S2-5 = ON,
you can access all on-board device in 29bit address mode.
+config SH_SH7785LCR_PT
+ bool "SH7785LCR prototype board on 32-bit MMU mode"
+ depends on SH_SH7785LCR && 32BIT
+ default n
+ help
+ If you use prototype board, this option is enabled.
+
config SH_URQUELL
bool "Urquell"
depends on CPU_SUBTYPE_SH7786
diff --git a/arch/sh/boards/board-sh7785lcr.c b/arch/sh/boards/board-sh7785lcr.c
index 42410a15d255..726427c3522b 100644
--- a/arch/sh/boards/board-sh7785lcr.c
+++ b/arch/sh/boards/board-sh7785lcr.c
@@ -223,6 +223,19 @@ static struct platform_device sm501_device = {
.resource = sm501_resources,
};
+static struct resource i2c_proto_resources[] = {
+ [0] = {
+ .start = PCA9564_PROTO_32BIT_ADDR,
+ .end = PCA9564_PROTO_32BIT_ADDR + PCA9564_SIZE - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
+ },
+ [1] = {
+ .start = 12,
+ .end = 12,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static struct resource i2c_resources[] = {
[0] = {
.start = PCA9564_ADDR,
@@ -271,6 +284,11 @@ static int __init sh7785lcr_devices_setup(void)
i2c_register_board_info(0, sh7785lcr_i2c_devices,
ARRAY_SIZE(sh7785lcr_i2c_devices));
+ if (mach_is_sh7785lcr_pt()) {
+ i2c_device.resource = &i2c_proto_resources;
+ i2c_device.num_resources = ARRAY_SIZE(i2c_proto_resources);
+ }
+
return platform_add_devices(sh7785lcr_devices,
ARRAY_SIZE(sh7785lcr_devices));
}
diff --git a/arch/sh/include/mach-common/mach/sh7785lcr.h b/arch/sh/include/mach-common/mach/sh7785lcr.h
index 90011d435f30..1292ae5c21b3 100644
--- a/arch/sh/include/mach-common/mach/sh7785lcr.h
+++ b/arch/sh/include/mach-common/mach/sh7785lcr.h
@@ -35,6 +35,8 @@
#define PCA9564_ADDR 0x06000000 /* I2C */
#define PCA9564_SIZE 0x00000100
+#define PCA9564_PROTO_32BIT_ADDR 0x14000000
+
#define SM107_MEM_ADDR 0x10000000
#define SM107_MEM_SIZE 0x00e00000
#define SM107_REG_ADDR 0x13e00000
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index b57362879e0e..6639b25d8d57 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -53,6 +53,7 @@ RSK7203 SH_RSK7203
AP325RXA SH_AP325RXA
SH7763RDP SH_SH7763RDP
SH7785LCR SH_SH7785LCR
+SH7785LCR_PT SH_SH7785LCR_PT
URQUELL SH_URQUELL
ESPT SH_ESPT
POLARIS SH_POLARIS
--
GitLab
From 55ad63bf3a30936aced50f13452735c2f58b234c Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 28 Aug 2009 10:40:33 -0400
Subject: [PATCH 371/742] ext4: fix extent sanity checking code with
AGGRESSIVE_TEST
The extents sanity-checking code depends on the ext4_ext_space_*()
functions returning the maximum alloable size for eh_max; however,
when the debugging #ifdef AGGRESSIVE_TEST is enabled to test the
extent tree handling code, this prevents a normally created ext4
filesystem from being mounted with the errors:
Aug 26 15:43:50 bsd086 kernel: [ 96.070277] EXT4-fs error (device sda8): ext4_ext_check_inode: bad header/extent in inode #8: too large eh_max - magic f30a, entries 1, max 4(3), depth 0(0)
Aug 26 15:43:50 bsd086 kernel: [ 96.070526] EXT4-fs (sda8): no journal found
Bug reported by Akira Fujita.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/extents.c | 60 +++++++++++++++++++++++++++--------------------
1 file changed, 34 insertions(+), 26 deletions(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 8c20caf4aa5c..7a3832577923 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -229,57 +229,65 @@ ext4_ext_new_meta_block(handle_t *handle, struct inode *inode,
return newblock;
}
-static int ext4_ext_space_block(struct inode *inode)
+static inline int ext4_ext_space_block(struct inode *inode, int check)
{
int size;
size = (inode->i_sb->s_blocksize - sizeof(struct ext4_extent_header))
/ sizeof(struct ext4_extent);
+ if (!check) {
#ifdef AGGRESSIVE_TEST
- if (size > 6)
- size = 6;
+ if (size > 6)
+ size = 6;
#endif
+ }
return size;
}
-static int ext4_ext_space_block_idx(struct inode *inode)
+static inline int ext4_ext_space_block_idx(struct inode *inode, int check)
{
int size;
size = (inode->i_sb->s_blocksize - sizeof(struct ext4_extent_header))
/ sizeof(struct ext4_extent_idx);
+ if (!check) {
#ifdef AGGRESSIVE_TEST
- if (size > 5)
- size = 5;
+ if (size > 5)
+ size = 5;
#endif
+ }
return size;
}
-static int ext4_ext_space_root(struct inode *inode)
+static inline int ext4_ext_space_root(struct inode *inode, int check)
{
int size;
size = sizeof(EXT4_I(inode)->i_data);
size -= sizeof(struct ext4_extent_header);
size /= sizeof(struct ext4_extent);
+ if (!check) {
#ifdef AGGRESSIVE_TEST
- if (size > 3)
- size = 3;
+ if (size > 3)
+ size = 3;
#endif
+ }
return size;
}
-static int ext4_ext_space_root_idx(struct inode *inode)
+static inline int ext4_ext_space_root_idx(struct inode *inode, int check)
{
int size;
size = sizeof(EXT4_I(inode)->i_data);
size -= sizeof(struct ext4_extent_header);
size /= sizeof(struct ext4_extent_idx);
+ if (!check) {
#ifdef AGGRESSIVE_TEST
- if (size > 4)
- size = 4;
+ if (size > 4)
+ size = 4;
#endif
+ }
return size;
}
@@ -293,9 +301,9 @@ int ext4_ext_calc_metadata_amount(struct inode *inode, int blocks)
int lcap, icap, rcap, leafs, idxs, num;
int newextents = blocks;
- rcap = ext4_ext_space_root_idx(inode);
- lcap = ext4_ext_space_block(inode);
- icap = ext4_ext_space_block_idx(inode);
+ rcap = ext4_ext_space_root_idx(inode, 0);
+ lcap = ext4_ext_space_block(inode, 0);
+ icap = ext4_ext_space_block_idx(inode, 0);
/* number of new leaf blocks needed */
num = leafs = (newextents + lcap - 1) / lcap;
@@ -320,14 +328,14 @@ ext4_ext_max_entries(struct inode *inode, int depth)
if (depth == ext_depth(inode)) {
if (depth == 0)
- max = ext4_ext_space_root(inode);
+ max = ext4_ext_space_root(inode, 1);
else
- max = ext4_ext_space_root_idx(inode);
+ max = ext4_ext_space_root_idx(inode, 1);
} else {
if (depth == 0)
- max = ext4_ext_space_block(inode);
+ max = ext4_ext_space_block(inode, 1);
else
- max = ext4_ext_space_block_idx(inode);
+ max = ext4_ext_space_block_idx(inode, 1);
}
return max;
@@ -626,7 +634,7 @@ int ext4_ext_tree_init(handle_t *handle, struct inode *inode)
eh->eh_depth = 0;
eh->eh_entries = 0;
eh->eh_magic = EXT4_EXT_MAGIC;
- eh->eh_max = cpu_to_le16(ext4_ext_space_root(inode));
+ eh->eh_max = cpu_to_le16(ext4_ext_space_root(inode, 0));
ext4_mark_inode_dirty(handle, inode);
ext4_ext_invalidate_cache(inode);
return 0;
@@ -851,7 +859,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
neh = ext_block_hdr(bh);
neh->eh_entries = 0;
- neh->eh_max = cpu_to_le16(ext4_ext_space_block(inode));
+ neh->eh_max = cpu_to_le16(ext4_ext_space_block(inode, 0));
neh->eh_magic = EXT4_EXT_MAGIC;
neh->eh_depth = 0;
ex = EXT_FIRST_EXTENT(neh);
@@ -927,7 +935,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
neh = ext_block_hdr(bh);
neh->eh_entries = cpu_to_le16(1);
neh->eh_magic = EXT4_EXT_MAGIC;
- neh->eh_max = cpu_to_le16(ext4_ext_space_block_idx(inode));
+ neh->eh_max = cpu_to_le16(ext4_ext_space_block_idx(inode, 0));
neh->eh_depth = cpu_to_le16(depth - i);
fidx = EXT_FIRST_INDEX(neh);
fidx->ei_block = border;
@@ -1052,9 +1060,9 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
/* old root could have indexes or leaves
* so calculate e_max right way */
if (ext_depth(inode))
- neh->eh_max = cpu_to_le16(ext4_ext_space_block_idx(inode));
+ neh->eh_max = cpu_to_le16(ext4_ext_space_block_idx(inode, 0));
else
- neh->eh_max = cpu_to_le16(ext4_ext_space_block(inode));
+ neh->eh_max = cpu_to_le16(ext4_ext_space_block(inode, 0));
neh->eh_magic = EXT4_EXT_MAGIC;
set_buffer_uptodate(bh);
unlock_buffer(bh);
@@ -1069,7 +1077,7 @@ static int ext4_ext_grow_indepth(handle_t *handle, struct inode *inode,
goto out;
curp->p_hdr->eh_magic = EXT4_EXT_MAGIC;
- curp->p_hdr->eh_max = cpu_to_le16(ext4_ext_space_root_idx(inode));
+ curp->p_hdr->eh_max = cpu_to_le16(ext4_ext_space_root_idx(inode, 0));
curp->p_hdr->eh_entries = cpu_to_le16(1);
curp->p_idx = EXT_FIRST_INDEX(curp->p_hdr);
@@ -2348,7 +2356,7 @@ static int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start)
if (err == 0) {
ext_inode_hdr(inode)->eh_depth = 0;
ext_inode_hdr(inode)->eh_max =
- cpu_to_le16(ext4_ext_space_root(inode));
+ cpu_to_le16(ext4_ext_space_root(inode, 0));
err = ext4_ext_dirty(handle, inode, path);
}
}
--
GitLab
From 941132606c7611246d2034cb7b01f9270c2d1ede Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 28 Aug 2009 10:50:33 -0700
Subject: [PATCH 372/742] OMAP: Remove OMAP_IO_ADDRESS, use OMAP1_IO_ADDRESS
and OMAP2_IO_ADDRESS instead
Search and replace OMAP_IO_ADDRESS with OMAP1_IO_ADDRESS and OMAP2_IO_ADDRESS,
and convert omap_read/write into a functions instead of a macros.
Also rename OMAP_MPUIO_VBASE to OMAP1_MPUIO_VBASE.
In the long run, most code should use ioremap + __raw_read/write instead.
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap1/devices.c | 2 +-
arch/arm/mach-omap1/pm.h | 4 +-
arch/arm/mach-omap1/serial.c | 6 +-
arch/arm/mach-omap1/sram.S | 12 +--
arch/arm/mach-omap1/time.c | 4 +-
arch/arm/mach-omap2/board-4430sdp.c | 4 +-
arch/arm/mach-omap2/cm.h | 6 +-
arch/arm/mach-omap2/omap-smp.c | 2 +-
arch/arm/mach-omap2/pm-debug.c | 2 +-
arch/arm/mach-omap2/prm.h | 6 +-
arch/arm/mach-omap2/sdrc.h | 6 +-
arch/arm/mach-omap2/serial.c | 6 +-
arch/arm/mach-omap2/sram242x.S | 4 +-
arch/arm/mach-omap2/sram243x.S | 4 +-
arch/arm/mach-omap2/timer-gp.c | 2 +-
arch/arm/plat-omap/dma.c | 8 +-
arch/arm/plat-omap/dmtimer.c | 5 +-
arch/arm/plat-omap/gpio.c | 86 +++++++++----------
arch/arm/plat-omap/include/mach/control.h | 12 +--
arch/arm/plat-omap/include/mach/entry-macro.S | 8 +-
arch/arm/plat-omap/include/mach/io.h | 64 +++++---------
arch/arm/plat-omap/include/mach/mtd-xip.h | 2 +-
arch/arm/plat-omap/include/mach/omap44xx.h | 8 +-
arch/arm/plat-omap/include/mach/sdrc.h | 6 +-
arch/arm/plat-omap/io.c | 58 +++++++++++++
arch/arm/plat-omap/sram.c | 20 ++---
drivers/video/omap/dispc.c | 6 +-
27 files changed, 196 insertions(+), 157 deletions(-)
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index bbbaeb0abcd3..06808434ea04 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -71,7 +71,7 @@ static inline void omap_init_rtc(void) {}
# define INT_DSP_MAILBOX1 INT_1610_DSP_MAILBOX1
#endif
-#define OMAP1_MBOX_BASE IO_ADDRESS(OMAP16XX_MAILBOX_BASE)
+#define OMAP1_MBOX_BASE OMAP1_IO_ADDRESS(OMAP16XX_MAILBOX_BASE)
static struct resource mbox_resources[] = {
{
diff --git a/arch/arm/mach-omap1/pm.h b/arch/arm/mach-omap1/pm.h
index 9ed5e2c1de4d..c4f05bdcf8a6 100644
--- a/arch/arm/mach-omap1/pm.h
+++ b/arch/arm/mach-omap1/pm.h
@@ -39,11 +39,11 @@
* Register and offset definitions to be used in PM assembler code
* ----------------------------------------------------------------------------
*/
-#define CLKGEN_REG_ASM_BASE IO_ADDRESS(0xfffece00)
+#define CLKGEN_REG_ASM_BASE OMAP1_IO_ADDRESS(0xfffece00)
#define ARM_IDLECT1_ASM_OFFSET 0x04
#define ARM_IDLECT2_ASM_OFFSET 0x08
-#define TCMIF_ASM_BASE IO_ADDRESS(0xfffecc00)
+#define TCMIF_ASM_BASE OMAP1_IO_ADDRESS(0xfffecc00)
#define EMIFS_CONFIG_ASM_OFFSET 0x0c
#define EMIFF_SDRAM_CONFIG_ASM_OFFSET 0x20
diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
index f754cee4f3c3..6f54b2c591cf 100644
--- a/arch/arm/mach-omap1/serial.c
+++ b/arch/arm/mach-omap1/serial.c
@@ -64,7 +64,7 @@ static void __init omap_serial_reset(struct plat_serial8250_port *p)
static struct plat_serial8250_port serial_platform_data[] = {
{
- .membase = IO_ADDRESS(OMAP_UART1_BASE),
+ .membase = OMAP1_IO_ADDRESS(OMAP_UART1_BASE),
.mapbase = OMAP_UART1_BASE,
.irq = INT_UART1,
.flags = UPF_BOOT_AUTOCONF,
@@ -73,7 +73,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
.uartclk = OMAP16XX_BASE_BAUD * 16,
},
{
- .membase = IO_ADDRESS(OMAP_UART2_BASE),
+ .membase = OMAP1_IO_ADDRESS(OMAP_UART2_BASE),
.mapbase = OMAP_UART2_BASE,
.irq = INT_UART2,
.flags = UPF_BOOT_AUTOCONF,
@@ -82,7 +82,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
.uartclk = OMAP16XX_BASE_BAUD * 16,
},
{
- .membase = IO_ADDRESS(OMAP_UART3_BASE),
+ .membase = OMAP1_IO_ADDRESS(OMAP_UART3_BASE),
.mapbase = OMAP_UART3_BASE,
.irq = INT_UART3,
.flags = UPF_BOOT_AUTOCONF,
diff --git a/arch/arm/mach-omap1/sram.S b/arch/arm/mach-omap1/sram.S
index 261cdc48228b..7724e520d07c 100644
--- a/arch/arm/mach-omap1/sram.S
+++ b/arch/arm/mach-omap1/sram.S
@@ -21,13 +21,13 @@
ENTRY(omap1_sram_reprogram_clock)
stmfd sp!, {r0 - r12, lr} @ save registers on stack
- mov r2, #IO_ADDRESS(DPLL_CTL) & 0xff000000
- orr r2, r2, #IO_ADDRESS(DPLL_CTL) & 0x00ff0000
- orr r2, r2, #IO_ADDRESS(DPLL_CTL) & 0x0000ff00
+ mov r2, #OMAP1_IO_ADDRESS(DPLL_CTL) & 0xff000000
+ orr r2, r2, #OMAP1_IO_ADDRESS(DPLL_CTL) & 0x00ff0000
+ orr r2, r2, #OMAP1_IO_ADDRESS(DPLL_CTL) & 0x0000ff00
- mov r3, #IO_ADDRESS(ARM_CKCTL) & 0xff000000
- orr r3, r3, #IO_ADDRESS(ARM_CKCTL) & 0x00ff0000
- orr r3, r3, #IO_ADDRESS(ARM_CKCTL) & 0x0000ff00
+ mov r3, #OMAP1_IO_ADDRESS(ARM_CKCTL) & 0xff000000
+ orr r3, r3, #OMAP1_IO_ADDRESS(ARM_CKCTL) & 0x00ff0000
+ orr r3, r3, #OMAP1_IO_ADDRESS(ARM_CKCTL) & 0x0000ff00
tst r0, #1 << 4 @ want lock mode?
beq newck @ nope
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index 4d56408d3cff..1be6a214d88d 100644
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -62,8 +62,8 @@ typedef struct {
u32 read_tim; /* READ_TIM, R */
} omap_mpu_timer_regs_t;
-#define omap_mpu_timer_base(n) \
-((volatile omap_mpu_timer_regs_t*)IO_ADDRESS(OMAP_MPU_TIMER_BASE + \
+#define omap_mpu_timer_base(n) \
+((volatile omap_mpu_timer_regs_t*)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE + \
(n)*OMAP_MPU_TIMER_OFFSET))
static inline unsigned long omap_mpu_timer_read(int nr)
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index b0c7402248f7..bdfda36d8aa8 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -53,8 +53,8 @@ static struct omap_board_config_kernel sdp4430_config[] __initdata = {
static void __init gic_init_irq(void)
{
- gic_dist_init(0, IO_ADDRESS(OMAP44XX_GIC_DIST_BASE), 29);
- gic_cpu_init(0, IO_ADDRESS(OMAP44XX_GIC_CPU_BASE));
+ gic_dist_init(0, OMAP2_IO_ADDRESS(OMAP44XX_GIC_DIST_BASE), 29);
+ gic_cpu_init(0, OMAP2_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE));
}
static void __init omap_4430sdp_init_irq(void)
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index f3c91a1ca391..18d9a121aa7a 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -17,11 +17,11 @@
#include "prcm-common.h"
#define OMAP2420_CM_REGADDR(module, reg) \
- IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
+ OMAP2_IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
#define OMAP2430_CM_REGADDR(module, reg) \
- IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
+ OMAP2_IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
#define OMAP34XX_CM_REGADDR(module, reg) \
- IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
+ OMAP2_IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
/*
* Architecture-specific global CM registers
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c
index 8fe8d230f21b..48ee295db275 100644
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -54,7 +54,7 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
* for us: do so
*/
- gic_cpu_init(0, IO_ADDRESS(OMAP44XX_GIC_CPU_BASE));
+ gic_cpu_init(0, OMAP2_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE));
/*
* Synchronise with the boot thread.
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 6cc375a275be..da3a53f8ccc8 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -48,7 +48,7 @@ int omap2_pm_debug;
regs[reg_count++].val = __raw_readl(reg)
#define DUMP_INTC_REG(reg, off) \
regs[reg_count].name = #reg; \
- regs[reg_count++].val = __raw_readl(IO_ADDRESS(0x480fe000 + (off)))
+ regs[reg_count++].val = __raw_readl(OMAP2_IO_ADDRESS(0x480fe000 + (off)))
void omap2_pm_dump(int mode, int resume, unsigned int us)
{
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index 9937e2814696..03c467c35f54 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -17,11 +17,11 @@
#include "prcm-common.h"
#define OMAP2420_PRM_REGADDR(module, reg) \
- IO_ADDRESS(OMAP2420_PRM_BASE + (module) + (reg))
+ OMAP2_IO_ADDRESS(OMAP2420_PRM_BASE + (module) + (reg))
#define OMAP2430_PRM_REGADDR(module, reg) \
- IO_ADDRESS(OMAP2430_PRM_BASE + (module) + (reg))
+ OMAP2_IO_ADDRESS(OMAP2430_PRM_BASE + (module) + (reg))
#define OMAP34XX_PRM_REGADDR(module, reg) \
- IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg))
+ OMAP2_IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg))
/*
* Architecture-specific global PRM registers
diff --git a/arch/arm/mach-omap2/sdrc.h b/arch/arm/mach-omap2/sdrc.h
index 1a8bbd094066..0837eda5f2b6 100644
--- a/arch/arm/mach-omap2/sdrc.h
+++ b/arch/arm/mach-omap2/sdrc.h
@@ -48,9 +48,9 @@ static inline u32 sms_read_reg(u16 reg)
return __raw_readl(OMAP_SMS_REGADDR(reg));
}
#else
-#define OMAP242X_SDRC_REGADDR(reg) IO_ADDRESS(OMAP2420_SDRC_BASE + (reg))
-#define OMAP243X_SDRC_REGADDR(reg) IO_ADDRESS(OMAP243X_SDRC_BASE + (reg))
-#define OMAP34XX_SDRC_REGADDR(reg) IO_ADDRESS(OMAP343X_SDRC_BASE + (reg))
+#define OMAP242X_SDRC_REGADDR(reg) OMAP2_IO_ADDRESS(OMAP2420_SDRC_BASE + (reg))
+#define OMAP243X_SDRC_REGADDR(reg) OMAP2_IO_ADDRESS(OMAP243X_SDRC_BASE + (reg))
+#define OMAP34XX_SDRC_REGADDR(reg) OMAP2_IO_ADDRESS(OMAP343X_SDRC_BASE + (reg))
#endif /* __ASSEMBLER__ */
#endif
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index a7421a50410b..42449002f60d 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -73,7 +73,7 @@ static LIST_HEAD(uart_list);
static struct plat_serial8250_port serial_platform_data0[] = {
{
- .membase = IO_ADDRESS(OMAP_UART1_BASE),
+ .membase = OMAP2_IO_ADDRESS(OMAP_UART1_BASE),
.mapbase = OMAP_UART1_BASE,
.irq = 72,
.flags = UPF_BOOT_AUTOCONF,
@@ -87,7 +87,7 @@ static struct plat_serial8250_port serial_platform_data0[] = {
static struct plat_serial8250_port serial_platform_data1[] = {
{
- .membase = IO_ADDRESS(OMAP_UART2_BASE),
+ .membase = OMAP2_IO_ADDRESS(OMAP_UART2_BASE),
.mapbase = OMAP_UART2_BASE,
.irq = 73,
.flags = UPF_BOOT_AUTOCONF,
@@ -101,7 +101,7 @@ static struct plat_serial8250_port serial_platform_data1[] = {
static struct plat_serial8250_port serial_platform_data2[] = {
{
- .membase = IO_ADDRESS(OMAP_UART3_BASE),
+ .membase = OMAP2_IO_ADDRESS(OMAP_UART3_BASE),
.mapbase = OMAP_UART3_BASE,
.irq = 74,
.flags = UPF_BOOT_AUTOCONF,
diff --git a/arch/arm/mach-omap2/sram242x.S b/arch/arm/mach-omap2/sram242x.S
index bb299851116d..9b62208658bc 100644
--- a/arch/arm/mach-omap2/sram242x.S
+++ b/arch/arm/mach-omap2/sram242x.S
@@ -128,7 +128,7 @@ omap242x_sdi_prcm_voltctrl:
prcm_mask_val:
.word 0xFFFF3FFC
omap242x_sdi_timer_32ksynct_cr:
- .word IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010)
+ .word OMAP2_IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010)
ENTRY(omap242x_sram_ddr_init_sz)
.word . - omap242x_sram_ddr_init
@@ -224,7 +224,7 @@ omap242x_srs_prcm_voltctrl:
ddr_prcm_mask_val:
.word 0xFFFF3FFC
omap242x_srs_timer_32ksynct:
- .word IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010)
+ .word OMAP2_IO_ADDRESS(OMAP2420_32KSYNCT_BASE + 0x010)
ENTRY(omap242x_sram_reprogram_sdrc_sz)
.word . - omap242x_sram_reprogram_sdrc
diff --git a/arch/arm/mach-omap2/sram243x.S b/arch/arm/mach-omap2/sram243x.S
index 9955abcaeb31..df2cd9277c00 100644
--- a/arch/arm/mach-omap2/sram243x.S
+++ b/arch/arm/mach-omap2/sram243x.S
@@ -128,7 +128,7 @@ omap243x_sdi_prcm_voltctrl:
prcm_mask_val:
.word 0xFFFF3FFC
omap243x_sdi_timer_32ksynct_cr:
- .word IO_ADDRESS(OMAP2430_32KSYNCT_BASE + 0x010)
+ .word OMAP2_IO_ADDRESS(OMAP2430_32KSYNCT_BASE + 0x010)
ENTRY(omap243x_sram_ddr_init_sz)
.word . - omap243x_sram_ddr_init
@@ -224,7 +224,7 @@ omap243x_srs_prcm_voltctrl:
ddr_prcm_mask_val:
.word 0xFFFF3FFC
omap243x_srs_timer_32ksynct:
- .word IO_ADDRESS(OMAP2430_32KSYNCT_BASE + 0x010)
+ .word OMAP2_IO_ADDRESS(OMAP2430_32KSYNCT_BASE + 0x010)
ENTRY(omap243x_sram_reprogram_sdrc_sz)
.word . - omap243x_sram_reprogram_sdrc
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index 97eeeebcb066..e2338c0aebcf 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -231,7 +231,7 @@ static void __init omap2_gp_clocksource_init(void)
static void __init omap2_gp_timer_init(void)
{
#ifdef CONFIG_LOCAL_TIMERS
- twd_base = IO_ADDRESS(OMAP44XX_LOCAL_TWD_BASE);
+ twd_base = OMAP2_IO_ADDRESS(OMAP44XX_LOCAL_TWD_BASE);
#endif
omap_dm_timer_init();
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index e3ac94f09006..bf0863462101 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -2337,16 +2337,16 @@ static int __init omap_init_dma(void)
int ch, r;
if (cpu_class_is_omap1()) {
- omap_dma_base = IO_ADDRESS(OMAP1_DMA_BASE);
+ omap_dma_base = OMAP1_IO_ADDRESS(OMAP1_DMA_BASE);
dma_lch_count = OMAP1_LOGICAL_DMA_CH_COUNT;
} else if (cpu_is_omap24xx()) {
- omap_dma_base = IO_ADDRESS(OMAP24XX_DMA4_BASE);
+ omap_dma_base = OMAP2_IO_ADDRESS(OMAP24XX_DMA4_BASE);
dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT;
} else if (cpu_is_omap34xx()) {
- omap_dma_base = IO_ADDRESS(OMAP34XX_DMA4_BASE);
+ omap_dma_base = OMAP2_IO_ADDRESS(OMAP34XX_DMA4_BASE);
dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT;
} else if (cpu_is_omap44xx()) {
- omap_dma_base = IO_ADDRESS(OMAP44XX_DMA4_BASE);
+ omap_dma_base = OMAP2_IO_ADDRESS(OMAP44XX_DMA4_BASE);
dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT;
} else {
pr_err("DMA init failed for unsupported omap\n");
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 7f50b6103dee..d325b54daeb5 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -774,7 +774,10 @@ int __init omap_dm_timer_init(void)
for (i = 0; i < dm_timer_count; i++) {
timer = &dm_timers[i];
- timer->io_base = IO_ADDRESS(timer->phys_base);
+ if (cpu_class_is_omap1())
+ timer->io_base = OMAP1_IO_ADDRESS(timer->phys_base);
+ else
+ timer->io_base = OMAP2_IO_ADDRESS(timer->phys_base);
#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
defined(CONFIG_ARCH_OMAP4)
if (cpu_class_is_omap2()) {
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 9298bc0ab171..fd63dd3bf4cd 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -31,7 +31,7 @@
/*
* OMAP1510 GPIO registers
*/
-#define OMAP1510_GPIO_BASE IO_ADDRESS(0xfffce000)
+#define OMAP1510_GPIO_BASE OMAP1_IO_ADDRESS(0xfffce000)
#define OMAP1510_GPIO_DATA_INPUT 0x00
#define OMAP1510_GPIO_DATA_OUTPUT 0x04
#define OMAP1510_GPIO_DIR_CONTROL 0x08
@@ -45,10 +45,10 @@
/*
* OMAP1610 specific GPIO registers
*/
-#define OMAP1610_GPIO1_BASE IO_ADDRESS(0xfffbe400)
-#define OMAP1610_GPIO2_BASE IO_ADDRESS(0xfffbec00)
-#define OMAP1610_GPIO3_BASE IO_ADDRESS(0xfffbb400)
-#define OMAP1610_GPIO4_BASE IO_ADDRESS(0xfffbbc00)
+#define OMAP1610_GPIO1_BASE OMAP1_IO_ADDRESS(0xfffbe400)
+#define OMAP1610_GPIO2_BASE OMAP1_IO_ADDRESS(0xfffbec00)
+#define OMAP1610_GPIO3_BASE OMAP1_IO_ADDRESS(0xfffbb400)
+#define OMAP1610_GPIO4_BASE OMAP1_IO_ADDRESS(0xfffbbc00)
#define OMAP1610_GPIO_REVISION 0x0000
#define OMAP1610_GPIO_SYSCONFIG 0x0010
#define OMAP1610_GPIO_SYSSTATUS 0x0014
@@ -70,12 +70,12 @@
/*
* OMAP730 specific GPIO registers
*/
-#define OMAP730_GPIO1_BASE IO_ADDRESS(0xfffbc000)
-#define OMAP730_GPIO2_BASE IO_ADDRESS(0xfffbc800)
-#define OMAP730_GPIO3_BASE IO_ADDRESS(0xfffbd000)
-#define OMAP730_GPIO4_BASE IO_ADDRESS(0xfffbd800)
-#define OMAP730_GPIO5_BASE IO_ADDRESS(0xfffbe000)
-#define OMAP730_GPIO6_BASE IO_ADDRESS(0xfffbe800)
+#define OMAP730_GPIO1_BASE OMAP1_IO_ADDRESS(0xfffbc000)
+#define OMAP730_GPIO2_BASE OMAP1_IO_ADDRESS(0xfffbc800)
+#define OMAP730_GPIO3_BASE OMAP1_IO_ADDRESS(0xfffbd000)
+#define OMAP730_GPIO4_BASE OMAP1_IO_ADDRESS(0xfffbd800)
+#define OMAP730_GPIO5_BASE OMAP1_IO_ADDRESS(0xfffbe000)
+#define OMAP730_GPIO6_BASE OMAP1_IO_ADDRESS(0xfffbe800)
#define OMAP730_GPIO_DATA_INPUT 0x00
#define OMAP730_GPIO_DATA_OUTPUT 0x04
#define OMAP730_GPIO_DIR_CONTROL 0x08
@@ -86,12 +86,12 @@
/*
* OMAP850 specific GPIO registers
*/
-#define OMAP850_GPIO1_BASE IO_ADDRESS(0xfffbc000)
-#define OMAP850_GPIO2_BASE IO_ADDRESS(0xfffbc800)
-#define OMAP850_GPIO3_BASE IO_ADDRESS(0xfffbd000)
-#define OMAP850_GPIO4_BASE IO_ADDRESS(0xfffbd800)
-#define OMAP850_GPIO5_BASE IO_ADDRESS(0xfffbe000)
-#define OMAP850_GPIO6_BASE IO_ADDRESS(0xfffbe800)
+#define OMAP850_GPIO1_BASE OMAP1_IO_ADDRESS(0xfffbc000)
+#define OMAP850_GPIO2_BASE OMAP1_IO_ADDRESS(0xfffbc800)
+#define OMAP850_GPIO3_BASE OMAP1_IO_ADDRESS(0xfffbd000)
+#define OMAP850_GPIO4_BASE OMAP1_IO_ADDRESS(0xfffbd800)
+#define OMAP850_GPIO5_BASE OMAP1_IO_ADDRESS(0xfffbe000)
+#define OMAP850_GPIO6_BASE OMAP1_IO_ADDRESS(0xfffbe800)
#define OMAP850_GPIO_DATA_INPUT 0x00
#define OMAP850_GPIO_DATA_OUTPUT 0x04
#define OMAP850_GPIO_DIR_CONTROL 0x08
@@ -99,19 +99,21 @@
#define OMAP850_GPIO_INT_MASK 0x10
#define OMAP850_GPIO_INT_STATUS 0x14
+#define OMAP1_MPUIO_VBASE OMAP1_IO_ADDRESS(OMAP_MPUIO_BASE)
+
/*
* omap24xx specific GPIO registers
*/
-#define OMAP242X_GPIO1_BASE IO_ADDRESS(0x48018000)
-#define OMAP242X_GPIO2_BASE IO_ADDRESS(0x4801a000)
-#define OMAP242X_GPIO3_BASE IO_ADDRESS(0x4801c000)
-#define OMAP242X_GPIO4_BASE IO_ADDRESS(0x4801e000)
+#define OMAP242X_GPIO1_BASE OMAP2_IO_ADDRESS(0x48018000)
+#define OMAP242X_GPIO2_BASE OMAP2_IO_ADDRESS(0x4801a000)
+#define OMAP242X_GPIO3_BASE OMAP2_IO_ADDRESS(0x4801c000)
+#define OMAP242X_GPIO4_BASE OMAP2_IO_ADDRESS(0x4801e000)
-#define OMAP243X_GPIO1_BASE IO_ADDRESS(0x4900C000)
-#define OMAP243X_GPIO2_BASE IO_ADDRESS(0x4900E000)
-#define OMAP243X_GPIO3_BASE IO_ADDRESS(0x49010000)
-#define OMAP243X_GPIO4_BASE IO_ADDRESS(0x49012000)
-#define OMAP243X_GPIO5_BASE IO_ADDRESS(0x480B6000)
+#define OMAP243X_GPIO1_BASE OMAP2_IO_ADDRESS(0x4900C000)
+#define OMAP243X_GPIO2_BASE OMAP2_IO_ADDRESS(0x4900E000)
+#define OMAP243X_GPIO3_BASE OMAP2_IO_ADDRESS(0x49010000)
+#define OMAP243X_GPIO4_BASE OMAP2_IO_ADDRESS(0x49012000)
+#define OMAP243X_GPIO5_BASE OMAP2_IO_ADDRESS(0x480B6000)
#define OMAP24XX_GPIO_REVISION 0x0000
#define OMAP24XX_GPIO_SYSCONFIG 0x0010
@@ -142,24 +144,22 @@
* omap34xx specific GPIO registers
*/
-#define OMAP34XX_GPIO1_BASE IO_ADDRESS(0x48310000)
-#define OMAP34XX_GPIO2_BASE IO_ADDRESS(0x49050000)
-#define OMAP34XX_GPIO3_BASE IO_ADDRESS(0x49052000)
-#define OMAP34XX_GPIO4_BASE IO_ADDRESS(0x49054000)
-#define OMAP34XX_GPIO5_BASE IO_ADDRESS(0x49056000)
-#define OMAP34XX_GPIO6_BASE IO_ADDRESS(0x49058000)
+#define OMAP34XX_GPIO1_BASE OMAP2_IO_ADDRESS(0x48310000)
+#define OMAP34XX_GPIO2_BASE OMAP2_IO_ADDRESS(0x49050000)
+#define OMAP34XX_GPIO3_BASE OMAP2_IO_ADDRESS(0x49052000)
+#define OMAP34XX_GPIO4_BASE OMAP2_IO_ADDRESS(0x49054000)
+#define OMAP34XX_GPIO5_BASE OMAP2_IO_ADDRESS(0x49056000)
+#define OMAP34XX_GPIO6_BASE OMAP2_IO_ADDRESS(0x49058000)
/*
* OMAP44XX specific GPIO registers
*/
-#define OMAP44XX_GPIO1_BASE IO_ADDRESS(0x4a310000)
-#define OMAP44XX_GPIO2_BASE IO_ADDRESS(0x48055000)
-#define OMAP44XX_GPIO3_BASE IO_ADDRESS(0x48057000)
-#define OMAP44XX_GPIO4_BASE IO_ADDRESS(0x48059000)
-#define OMAP44XX_GPIO5_BASE IO_ADDRESS(0x4805B000)
-#define OMAP44XX_GPIO6_BASE IO_ADDRESS(0x4805D000)
-
-#define OMAP_MPUIO_VBASE IO_ADDRESS(OMAP_MPUIO_BASE)
+#define OMAP44XX_GPIO1_BASE OMAP2_IO_ADDRESS(0x4a310000)
+#define OMAP44XX_GPIO2_BASE OMAP2_IO_ADDRESS(0x48055000)
+#define OMAP44XX_GPIO3_BASE OMAP2_IO_ADDRESS(0x48057000)
+#define OMAP44XX_GPIO4_BASE OMAP2_IO_ADDRESS(0x48059000)
+#define OMAP44XX_GPIO5_BASE OMAP2_IO_ADDRESS(0x4805B000)
+#define OMAP44XX_GPIO6_BASE OMAP2_IO_ADDRESS(0x4805D000)
struct gpio_bank {
void __iomem *base;
@@ -195,7 +195,7 @@ struct gpio_bank {
#ifdef CONFIG_ARCH_OMAP16XX
static struct gpio_bank gpio_bank_1610[5] = {
- { OMAP_MPUIO_VBASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO},
+ { OMAP1_MPUIO_VBASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO},
{ OMAP1610_GPIO1_BASE, INT_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_1610 },
{ OMAP1610_GPIO2_BASE, INT_1610_GPIO_BANK2, IH_GPIO_BASE + 16, METHOD_GPIO_1610 },
{ OMAP1610_GPIO3_BASE, INT_1610_GPIO_BANK3, IH_GPIO_BASE + 32, METHOD_GPIO_1610 },
@@ -205,14 +205,14 @@ static struct gpio_bank gpio_bank_1610[5] = {
#ifdef CONFIG_ARCH_OMAP15XX
static struct gpio_bank gpio_bank_1510[2] = {
- { OMAP_MPUIO_VBASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
+ { OMAP1_MPUIO_VBASE, INT_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
{ OMAP1510_GPIO_BASE, INT_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_1510 }
};
#endif
#ifdef CONFIG_ARCH_OMAP730
static struct gpio_bank gpio_bank_730[7] = {
- { OMAP_MPUIO_VBASE, INT_730_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
+ { OMAP1_MPUIO_VBASE, INT_730_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
{ OMAP730_GPIO1_BASE, INT_730_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_730 },
{ OMAP730_GPIO2_BASE, INT_730_GPIO_BANK2, IH_GPIO_BASE + 32, METHOD_GPIO_730 },
{ OMAP730_GPIO3_BASE, INT_730_GPIO_BANK3, IH_GPIO_BASE + 64, METHOD_GPIO_730 },
diff --git a/arch/arm/plat-omap/include/mach/control.h b/arch/arm/plat-omap/include/mach/control.h
index 8140dbccb7bc..826d317cdbec 100644
--- a/arch/arm/plat-omap/include/mach/control.h
+++ b/arch/arm/plat-omap/include/mach/control.h
@@ -20,15 +20,15 @@
#ifndef __ASSEMBLY__
#define OMAP242X_CTRL_REGADDR(reg) \
- IO_ADDRESS(OMAP242X_CTRL_BASE + (reg))
+ OMAP2_IO_ADDRESS(OMAP242X_CTRL_BASE + (reg))
#define OMAP243X_CTRL_REGADDR(reg) \
- IO_ADDRESS(OMAP243X_CTRL_BASE + (reg))
+ OMAP2_IO_ADDRESS(OMAP243X_CTRL_BASE + (reg))
#define OMAP343X_CTRL_REGADDR(reg) \
- IO_ADDRESS(OMAP343X_CTRL_BASE + (reg))
+ OMAP2_IO_ADDRESS(OMAP343X_CTRL_BASE + (reg))
#else
-#define OMAP242X_CTRL_REGADDR(reg) IO_ADDRESS(OMAP242X_CTRL_BASE + (reg))
-#define OMAP243X_CTRL_REGADDR(reg) IO_ADDRESS(OMAP243X_CTRL_BASE + (reg))
-#define OMAP343X_CTRL_REGADDR(reg) IO_ADDRESS(OMAP343X_CTRL_BASE + (reg))
+#define OMAP242X_CTRL_REGADDR(reg) OMAP2_IO_ADDRESS(OMAP242X_CTRL_BASE + (reg))
+#define OMAP243X_CTRL_REGADDR(reg) OMAP2_IO_ADDRESS(OMAP243X_CTRL_BASE + (reg))
+#define OMAP343X_CTRL_REGADDR(reg) OMAP2_IO_ADDRESS(OMAP343X_CTRL_BASE + (reg))
#endif /* __ASSEMBLY__ */
/*
diff --git a/arch/arm/plat-omap/include/mach/entry-macro.S b/arch/arm/plat-omap/include/mach/entry-macro.S
index 56426ed45ef4..a5592991634d 100644
--- a/arch/arm/plat-omap/include/mach/entry-macro.S
+++ b/arch/arm/plat-omap/include/mach/entry-macro.S
@@ -41,7 +41,7 @@
.endm
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \base, =IO_ADDRESS(OMAP_IH1_BASE)
+ ldr \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET]
mov \irqstat, #0xffffffff
@@ -53,7 +53,7 @@
cmp \irqnr, #0
ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
cmpeq \irqnr, #INT_IH2_IRQ
- ldreq \base, =IO_ADDRESS(OMAP_IH2_BASE)
+ ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
addeqs \irqnr, \irqnr, #32
1510:
@@ -68,9 +68,9 @@
/* REVISIT: This should be set dynamically if CONFIG_MULTI_OMAP2 is selected */
#if defined(CONFIG_ARCH_OMAP2420) || defined(CONFIG_ARCH_OMAP2430)
-#define OMAP2_VA_IC_BASE IO_ADDRESS(OMAP24XX_IC_BASE)
+#define OMAP2_VA_IC_BASE OMAP2_IO_ADDRESS(OMAP24XX_IC_BASE)
#elif defined(CONFIG_ARCH_OMAP34XX)
-#define OMAP2_VA_IC_BASE IO_ADDRESS(OMAP34XX_IC_BASE)
+#define OMAP2_VA_IC_BASE OMAP2_IO_ADDRESS(OMAP34XX_IC_BASE)
#endif
#if defined(CONFIG_ARCH_OMAP4)
#include <mach/omap44xx.h>
diff --git a/arch/arm/plat-omap/include/mach/io.h b/arch/arm/plat-omap/include/mach/io.h
index 21fb0efdda86..55659809478e 100644
--- a/arch/arm/plat-omap/include/mach/io.h
+++ b/arch/arm/plat-omap/include/mach/io.h
@@ -54,15 +54,23 @@
* ----------------------------------------------------------------------------
*/
+#ifdef __ASSEMBLER__
+#define IOMEM(x) (x)
+#else
+#define IOMEM(x) ((void __force __iomem *)(x))
+#endif
+
+#define OMAP1_IO_OFFSET 0x01000000 /* Virtual IO = 0xfefb0000 */
+#define OMAP1_IO_ADDRESS(pa) IOMEM((pa) - OMAP1_IO_OFFSET)
+
+#define OMAP2_IO_OFFSET 0x90000000
+#define OMAP2_IO_ADDRESS(pa) IOMEM((pa) + OMAP2_IO_OFFSET) /* L3 and L4 */
+
#if defined(CONFIG_ARCH_OMAP1)
#define IO_PHYS 0xFFFB0000
-#define IO_OFFSET 0x01000000 /* Virtual IO = 0xfefb0000 */
#define IO_SIZE 0x40000
-#define IO_VIRT (IO_PHYS - IO_OFFSET)
-#define __IO_ADDRESS(pa) ((pa) - IO_OFFSET)
-#define __OMAP1_IO_ADDRESS(pa) ((pa) - IO_OFFSET)
-#define io_v2p(va) ((va) + IO_OFFSET)
+#define IO_VIRT (IO_PHYS - OMAP1_IO_OFFSET)
#elif defined(CONFIG_ARCH_OMAP2)
@@ -87,11 +95,6 @@
#define OMAP243X_SMS_VIRT 0xFC000000
#define OMAP243X_SMS_SIZE SZ_1M
-#define IO_OFFSET 0x90000000
-#define __IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
-#define __OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
-#define io_v2p(va) ((va) - IO_OFFSET) /* Works for L3 and L4 */
-
/* DSP */
#define DSP_MEM_24XX_PHYS OMAP2420_DSP_MEM_BASE /* 0x58000000 */
#define DSP_MEM_24XX_VIRT 0xe0000000
@@ -143,12 +146,6 @@
#define OMAP343X_SDRC_VIRT 0xFD000000
#define OMAP343X_SDRC_SIZE SZ_1M
-
-#define IO_OFFSET 0x90000000
-#define __IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
-#define __OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
-#define io_v2p(va) ((va) - IO_OFFSET)/* Works for L3 and L4 */
-
/* DSP */
#define DSP_MEM_34XX_PHYS OMAP34XX_DSP_MEM_BASE /* 0x58000000 */
#define DSP_MEM_34XX_VIRT 0xe0000000
@@ -188,39 +185,20 @@
#define OMAP44XX_GPMC_VIRT 0xe0000000
#define OMAP44XX_GPMC_SIZE SZ_1M
-
-#define IO_OFFSET 0x90000000
-#define __IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
-#define __OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
-#define io_v2p(va) ((va) - IO_OFFSET)/* Works for L3 and L4 */
-
#endif
-#define IO_ADDRESS(pa) IOMEM(__IO_ADDRESS(pa))
-#define OMAP1_IO_ADDRESS(pa) IOMEM(__OMAP1_IO_ADDRESS(pa))
-#define OMAP2_IO_ADDRESS(pa) IOMEM(__OMAP2_IO_ADDRESS(pa))
-
-#ifdef __ASSEMBLER__
-#define IOMEM(x) (x)
-#else
-#define IOMEM(x) ((void __force __iomem *)(x))
+#ifndef __ASSEMBLER__
/*
- * Functions to access the OMAP IO region
- *
- * NOTE: - Use omap_read/write[bwl] for physical register addresses
- * - Use __raw_read/write[bwl]() for virtual register addresses
- * - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses
- * - DO NOT use hardcoded virtual addresses to allow changing the
- * IO address space again if needed
+ * NOTE: Please use ioremap + __raw_read/write where possible instead of these
*/
-#define omap_readb(a) __raw_readb(IO_ADDRESS(a))
-#define omap_readw(a) __raw_readw(IO_ADDRESS(a))
-#define omap_readl(a) __raw_readl(IO_ADDRESS(a))
-#define omap_writeb(v,a) __raw_writeb(v, IO_ADDRESS(a))
-#define omap_writew(v,a) __raw_writew(v, IO_ADDRESS(a))
-#define omap_writel(v,a) __raw_writel(v, IO_ADDRESS(a))
+extern u8 omap_readb(u32 pa);
+extern u16 omap_readw(u32 pa);
+extern u32 omap_readl(u32 pa);
+extern void omap_writeb(u8 v, u32 pa);
+extern void omap_writew(u16 v, u32 pa);
+extern void omap_writel(u32 v, u32 pa);
struct omap_sdrc_params;
diff --git a/arch/arm/plat-omap/include/mach/mtd-xip.h b/arch/arm/plat-omap/include/mach/mtd-xip.h
index 39b591ff54bb..f82a8dcaad94 100644
--- a/arch/arm/plat-omap/include/mach/mtd-xip.h
+++ b/arch/arm/plat-omap/include/mach/mtd-xip.h
@@ -25,7 +25,7 @@ typedef struct {
} xip_omap_mpu_timer_regs_t;
#define xip_omap_mpu_timer_base(n) \
-((volatile xip_omap_mpu_timer_regs_t*)IO_ADDRESS(OMAP_MPU_TIMER_BASE + \
+((volatile xip_omap_mpu_timer_regs_t*)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE + \
(n)*OMAP_MPU_TIMER_OFFSET))
static inline unsigned long xip_omap_mpu_timer_read(int nr)
diff --git a/arch/arm/plat-omap/include/mach/omap44xx.h b/arch/arm/plat-omap/include/mach/omap44xx.h
index 15dec7f1c7c0..b3ba5ac7b4a4 100644
--- a/arch/arm/plat-omap/include/mach/omap44xx.h
+++ b/arch/arm/plat-omap/include/mach/omap44xx.h
@@ -33,14 +33,14 @@
#define IRQ_SIR_IRQ 0x0040
#define OMAP44XX_GIC_DIST_BASE 0x48241000
#define OMAP44XX_GIC_CPU_BASE 0x48240100
-#define OMAP44XX_VA_GIC_CPU_BASE IO_ADDRESS(OMAP44XX_GIC_CPU_BASE)
+#define OMAP44XX_VA_GIC_CPU_BASE OMAP2_IO_ADDRESS(OMAP44XX_GIC_CPU_BASE)
#define OMAP44XX_SCU_BASE 0x48240000
-#define OMAP44XX_VA_SCU_BASE IO_ADDRESS(OMAP44XX_SCU_BASE)
+#define OMAP44XX_VA_SCU_BASE OMAP2_IO_ADDRESS(OMAP44XX_SCU_BASE)
#define OMAP44XX_LOCAL_TWD_BASE 0x48240600
-#define OMAP44XX_VA_LOCAL_TWD_BASE IO_ADDRESS(OMAP44XX_LOCAL_TWD_BASE)
+#define OMAP44XX_VA_LOCAL_TWD_BASE OMAP2_IO_ADDRESS(OMAP44XX_LOCAL_TWD_BASE)
#define OMAP44XX_LOCAL_TWD_SIZE 0x00000100
#define OMAP44XX_WKUPGEN_BASE 0x48281000
-#define OMAP44XX_VA_WKUPGEN_BASE IO_ADDRESS(OMAP44XX_WKUPGEN_BASE)
+#define OMAP44XX_VA_WKUPGEN_BASE OMAP2_IO_ADDRESS(OMAP44XX_WKUPGEN_BASE)
#endif /* __ASM_ARCH_OMAP44XX_H */
diff --git a/arch/arm/plat-omap/include/mach/sdrc.h b/arch/arm/plat-omap/include/mach/sdrc.h
index 0be18e4ff182..93f70d2cbce1 100644
--- a/arch/arm/plat-omap/include/mach/sdrc.h
+++ b/arch/arm/plat-omap/include/mach/sdrc.h
@@ -71,11 +71,11 @@
*/
#define OMAP242X_SMS_REGADDR(reg) \
- (void __iomem *)IO_ADDRESS(OMAP2420_SMS_BASE + reg)
+ (void __iomem *)OMAP2_IO_ADDRESS(OMAP2420_SMS_BASE + reg)
#define OMAP243X_SMS_REGADDR(reg) \
- (void __iomem *)IO_ADDRESS(OMAP243X_SMS_BASE + reg)
+ (void __iomem *)OMAP2_IO_ADDRESS(OMAP243X_SMS_BASE + reg)
#define OMAP343X_SMS_REGADDR(reg) \
- (void __iomem *)IO_ADDRESS(OMAP343X_SMS_BASE + reg)
+ (void __iomem *)OMAP2_IO_ADDRESS(OMAP343X_SMS_BASE + reg)
/* SMS register offsets - read/write with sms_{read,write}_reg() */
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index 9b42d72d96cf..d491ad15f198 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -132,3 +132,61 @@ void omap_iounmap(volatile void __iomem *addr)
__iounmap(addr);
}
EXPORT_SYMBOL(omap_iounmap);
+
+/*
+ * NOTE: Please use ioremap + __raw_read/write where possible instead of these
+ */
+
+u8 omap_readb(u32 pa)
+{
+ if (cpu_class_is_omap1())
+ return __raw_readb(OMAP1_IO_ADDRESS(pa));
+ else
+ return __raw_readb(OMAP2_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_readb);
+
+u16 omap_readw(u32 pa)
+{
+ if (cpu_class_is_omap1())
+ return __raw_readw(OMAP1_IO_ADDRESS(pa));
+ else
+ return __raw_readw(OMAP2_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_readw);
+
+u32 omap_readl(u32 pa)
+{
+ if (cpu_class_is_omap1())
+ return __raw_readl(OMAP1_IO_ADDRESS(pa));
+ else
+ return __raw_readl(OMAP2_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_readl);
+
+void omap_writeb(u8 v, u32 pa)
+{
+ if (cpu_class_is_omap1())
+ __raw_writeb(v, OMAP1_IO_ADDRESS(pa));
+ else
+ __raw_writeb(v, OMAP2_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_writeb);
+
+void omap_writew(u16 v, u32 pa)
+{
+ if (cpu_class_is_omap1())
+ __raw_writew(v, OMAP1_IO_ADDRESS(pa));
+ else
+ __raw_writew(v, OMAP2_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_writew);
+
+void omap_writel(u32 v, u32 pa)
+{
+ if (cpu_class_is_omap1())
+ __raw_writel(v, OMAP1_IO_ADDRESS(pa));
+ else
+ __raw_writel(v, OMAP2_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_writel);
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 5eae7876979c..925f64711c37 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -56,16 +56,16 @@
#define SRAM_BOOTLOADER_SZ 0x80
#endif
-#define OMAP24XX_VA_REQINFOPERM0 IO_ADDRESS(0x68005048)
-#define OMAP24XX_VA_READPERM0 IO_ADDRESS(0x68005050)
-#define OMAP24XX_VA_WRITEPERM0 IO_ADDRESS(0x68005058)
-
-#define OMAP34XX_VA_REQINFOPERM0 IO_ADDRESS(0x68012848)
-#define OMAP34XX_VA_READPERM0 IO_ADDRESS(0x68012850)
-#define OMAP34XX_VA_WRITEPERM0 IO_ADDRESS(0x68012858)
-#define OMAP34XX_VA_ADDR_MATCH2 IO_ADDRESS(0x68012880)
-#define OMAP34XX_VA_SMS_RG_ATT0 IO_ADDRESS(0x6C000048)
-#define OMAP34XX_VA_CONTROL_STAT IO_ADDRESS(0x480022F0)
+#define OMAP24XX_VA_REQINFOPERM0 OMAP2_IO_ADDRESS(0x68005048)
+#define OMAP24XX_VA_READPERM0 OMAP2_IO_ADDRESS(0x68005050)
+#define OMAP24XX_VA_WRITEPERM0 OMAP2_IO_ADDRESS(0x68005058)
+
+#define OMAP34XX_VA_REQINFOPERM0 OMAP2_IO_ADDRESS(0x68012848)
+#define OMAP34XX_VA_READPERM0 OMAP2_IO_ADDRESS(0x68012850)
+#define OMAP34XX_VA_WRITEPERM0 OMAP2_IO_ADDRESS(0x68012858)
+#define OMAP34XX_VA_ADDR_MATCH2 OMAP2_IO_ADDRESS(0x68012880)
+#define OMAP34XX_VA_SMS_RG_ATT0 OMAP2_IO_ADDRESS(0x6C000048)
+#define OMAP34XX_VA_CONTROL_STAT OMAP2_IO_ADDRESS(0x480022F0)
#define GP_DEVICE 0x300
diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
index 148cbcc39602..915439dc05a0 100644
--- a/drivers/video/omap/dispc.c
+++ b/drivers/video/omap/dispc.c
@@ -212,9 +212,9 @@ static void enable_rfbi_mode(int enable)
dispc_write_reg(DISPC_CONTROL, l);
/* Set bypass mode in RFBI module */
- l = __raw_readl(IO_ADDRESS(RFBI_CONTROL));
+ l = __raw_readl(OMAP2_IO_ADDRESS(RFBI_CONTROL));
l |= enable ? 0 : (1 << 1);
- __raw_writel(l, IO_ADDRESS(RFBI_CONTROL));
+ __raw_writel(l, OMAP2_IO_ADDRESS(RFBI_CONTROL));
}
static void set_lcd_data_lines(int data_lines)
@@ -1421,7 +1421,7 @@ static int omap_dispc_init(struct omapfb_device *fbdev, int ext_mode,
}
/* L3 firewall setting: enable access to OCM RAM */
- __raw_writel(0x402000b0, IO_ADDRESS(0x680050a0));
+ __raw_writel(0x402000b0, OMAP2_IO_ADDRESS(0x680050a0));
if ((r = alloc_palette_ram()) < 0)
goto fail2;
--
GitLab
From 6175556fdc0a66ce5f1831e22892fac6f28fc2ec Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 28 Aug 2009 10:50:34 -0700
Subject: [PATCH 373/742] OMAP: Rename OMAP_MPUIO_BASE to OMAP1_MPUIO_BASE
Rename OMAP_MPUIO_BASE to OMAP1_MPUIO_BASE
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/plat-omap/gpio.c | 4 ++--
arch/arm/plat-omap/include/mach/gpio.h | 2 +-
drivers/input/keyboard/omap-keypad.c | 22 +++++++++++-----------
drivers/mtd/nand/ams-delta.c | 8 ++++----
4 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index fd63dd3bf4cd..b55b4adffbe7 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -99,7 +99,7 @@
#define OMAP850_GPIO_INT_MASK 0x10
#define OMAP850_GPIO_INT_STATUS 0x14
-#define OMAP1_MPUIO_VBASE OMAP1_IO_ADDRESS(OMAP_MPUIO_BASE)
+#define OMAP1_MPUIO_VBASE OMAP1_IO_ADDRESS(OMAP1_MPUIO_BASE)
/*
* omap24xx specific GPIO registers
@@ -224,7 +224,7 @@ static struct gpio_bank gpio_bank_730[7] = {
#ifdef CONFIG_ARCH_OMAP850
static struct gpio_bank gpio_bank_850[7] = {
- { OMAP_MPUIO_BASE, INT_850_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
+ { OMAP1_MPUIO_BASE, INT_850_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
{ OMAP850_GPIO1_BASE, INT_850_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_850 },
{ OMAP850_GPIO2_BASE, INT_850_GPIO_BANK2, IH_GPIO_BASE + 32, METHOD_GPIO_850 },
{ OMAP850_GPIO3_BASE, INT_850_GPIO_BANK3, IH_GPIO_BASE + 64, METHOD_GPIO_850 },
diff --git a/arch/arm/plat-omap/include/mach/gpio.h b/arch/arm/plat-omap/include/mach/gpio.h
index 2b22a8799bc6..633ff688b928 100644
--- a/arch/arm/plat-omap/include/mach/gpio.h
+++ b/arch/arm/plat-omap/include/mach/gpio.h
@@ -29,7 +29,7 @@
#include <linux/io.h>
#include <mach/irqs.h>
-#define OMAP_MPUIO_BASE 0xfffb5000
+#define OMAP1_MPUIO_BASE 0xfffb5000
#if (defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850))
diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c
index 87ec7b18ac69..bba85add35a3 100644
--- a/drivers/input/keyboard/omap-keypad.c
+++ b/drivers/input/keyboard/omap-keypad.c
@@ -116,7 +116,7 @@ static irqreturn_t omap_kp_interrupt(int irq, void *dev_id)
}
} else
/* disable keyboard interrupt and schedule for handling */
- omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
tasklet_schedule(&kp_tasklet);
@@ -143,20 +143,20 @@ static void omap_kp_scan_keypad(struct omap_kp *omap_kp, unsigned char *state)
} else {
/* disable keyboard interrupt and schedule for handling */
- omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
/* read the keypad status */
- omap_writew(0xff, OMAP_MPUIO_BASE + OMAP_MPUIO_KBC);
+ omap_writew(0xff, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBC);
for (col = 0; col < omap_kp->cols; col++) {
omap_writew(~(1 << col) & 0xff,
- OMAP_MPUIO_BASE + OMAP_MPUIO_KBC);
+ OMAP1_MPUIO_BASE + OMAP_MPUIO_KBC);
udelay(omap_kp->delay);
- state[col] = ~omap_readw(OMAP_MPUIO_BASE +
+ state[col] = ~omap_readw(OMAP1_MPUIO_BASE +
OMAP_MPUIO_KBR_LATCH) & 0xff;
}
- omap_writew(0x00, OMAP_MPUIO_BASE + OMAP_MPUIO_KBC);
+ omap_writew(0x00, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBC);
udelay(2);
}
}
@@ -234,7 +234,7 @@ static void omap_kp_tasklet(unsigned long data)
for (i = 0; i < omap_kp_data->rows; i++)
enable_irq(gpio_to_irq(row_gpios[i]));
} else {
- omap_writew(0, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
kp_cur_group = -1;
}
}
@@ -317,7 +317,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
/* Disable the interrupt for the MPUIO keyboard */
if (!cpu_is_omap24xx())
- omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
keymap = pdata->keymap;
@@ -391,7 +391,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
}
if (pdata->dbounce)
- omap_writew(0xff, OMAP_MPUIO_BASE + OMAP_MPUIO_GPIO_DEBOUNCING);
+ omap_writew(0xff, OMAP1_MPUIO_BASE + OMAP_MPUIO_GPIO_DEBOUNCING);
/* scan current status and enable interrupt */
omap_kp_scan_keypad(omap_kp, keypad_state);
@@ -402,7 +402,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev)
"omap-keypad", omap_kp) < 0)
goto err4;
}
- omap_writew(0, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ omap_writew(0, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
} else {
for (irq_idx = 0; irq_idx < omap_kp->rows; irq_idx++) {
if (request_irq(gpio_to_irq(row_gpios[irq_idx]),
@@ -449,7 +449,7 @@ static int __devexit omap_kp_remove(struct platform_device *pdev)
free_irq(gpio_to_irq(row_gpios[i]), 0);
}
} else {
- omap_writew(1, OMAP_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
+ omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT);
free_irq(omap_kp->irq, 0);
}
diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c
index 782994ead0e8..005b91f096f2 100644
--- a/drivers/mtd/nand/ams-delta.c
+++ b/drivers/mtd/nand/ams-delta.c
@@ -63,7 +63,7 @@ static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte)
{
struct nand_chip *this = mtd->priv;
- omap_writew(0, (OMAP_MPUIO_BASE + OMAP_MPUIO_IO_CNTL));
+ omap_writew(0, (OMAP1_MPUIO_BASE + OMAP_MPUIO_IO_CNTL));
omap_writew(byte, this->IO_ADDR_W);
ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NWE, 0);
ndelay(40);
@@ -78,7 +78,7 @@ static u_char ams_delta_read_byte(struct mtd_info *mtd)
ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NRE, 0);
ndelay(40);
- omap_writew(~0, (OMAP_MPUIO_BASE + OMAP_MPUIO_IO_CNTL));
+ omap_writew(~0, (OMAP1_MPUIO_BASE + OMAP_MPUIO_IO_CNTL));
res = omap_readw(this->IO_ADDR_R);
ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NRE,
AMS_DELTA_LATCH2_NAND_NRE);
@@ -178,8 +178,8 @@ static int __init ams_delta_init(void)
ams_delta_mtd->priv = this;
/* Set address of NAND IO lines */
- this->IO_ADDR_R = (OMAP_MPUIO_BASE + OMAP_MPUIO_INPUT_LATCH);
- this->IO_ADDR_W = (OMAP_MPUIO_BASE + OMAP_MPUIO_OUTPUT);
+ this->IO_ADDR_R = (OMAP1_MPUIO_BASE + OMAP_MPUIO_INPUT_LATCH);
+ this->IO_ADDR_W = (OMAP1_MPUIO_BASE + OMAP_MPUIO_OUTPUT);
this->read_byte = ams_delta_read_byte;
this->write_buf = ams_delta_write_buf;
this->read_buf = ams_delta_read_buf;
--
GitLab
From db326be1bca2ddbcac80161953956c8b8bc5b00b Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Fri, 28 Aug 2009 10:50:37 -0700
Subject: [PATCH 374/742] OMAP: Remove ifdefs for io.h
Remove ifdefs for io.h
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap1/io.c | 6 ++---
arch/arm/plat-omap/include/mach/io.h | 37 ++++++++++++++++++++++------
arch/arm/plat-omap/io.c | 4 +--
3 files changed, 34 insertions(+), 13 deletions(-)
diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index 3afe540149f7..7030f9281ea1 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/arch/arm/mach-omap1/io.c
@@ -29,9 +29,9 @@ extern void omapfb_reserve_sdram(void);
*/
static struct map_desc omap_io_desc[] __initdata = {
{
- .virtual = IO_VIRT,
- .pfn = __phys_to_pfn(IO_PHYS),
- .length = IO_SIZE,
+ .virtual = OMAP1_IO_VIRT,
+ .pfn = __phys_to_pfn(OMAP1_IO_PHYS),
+ .length = OMAP1_IO_SIZE,
.type = MT_DEVICE
}
};
diff --git a/arch/arm/plat-omap/include/mach/io.h b/arch/arm/plat-omap/include/mach/io.h
index 55659809478e..8d32df32b0b1 100644
--- a/arch/arm/plat-omap/include/mach/io.h
+++ b/arch/arm/plat-omap/include/mach/io.h
@@ -66,13 +66,21 @@
#define OMAP2_IO_OFFSET 0x90000000
#define OMAP2_IO_ADDRESS(pa) IOMEM((pa) + OMAP2_IO_OFFSET) /* L3 and L4 */
-#if defined(CONFIG_ARCH_OMAP1)
+/*
+ * ----------------------------------------------------------------------------
+ * Omap1 specific IO mapping
+ * ----------------------------------------------------------------------------
+ */
-#define IO_PHYS 0xFFFB0000
-#define IO_SIZE 0x40000
-#define IO_VIRT (IO_PHYS - OMAP1_IO_OFFSET)
+#define OMAP1_IO_PHYS 0xFFFB0000
+#define OMAP1_IO_SIZE 0x40000
+#define OMAP1_IO_VIRT (OMAP1_IO_PHYS - OMAP1_IO_OFFSET)
-#elif defined(CONFIG_ARCH_OMAP2)
+/*
+ * ----------------------------------------------------------------------------
+ * Omap2 specific IO mapping
+ * ----------------------------------------------------------------------------
+ */
/* We map both L3 and L4 on OMAP2 */
#define L3_24XX_PHYS L3_24XX_BASE /* 0x68000000 */
@@ -106,7 +114,11 @@
#define DSP_MMU_24XX_VIRT 0xe2000000
#define DSP_MMU_24XX_SIZE SZ_4K
-#elif defined(CONFIG_ARCH_OMAP3)
+/*
+ * ----------------------------------------------------------------------------
+ * Omap3 specific IO mapping
+ * ----------------------------------------------------------------------------
+ */
/* We map both L3 and L4 on OMAP3 */
#define L3_34XX_PHYS L3_34XX_BASE /* 0x68000000 */
@@ -157,8 +169,12 @@
#define DSP_MMU_34XX_VIRT 0xe2000000
#define DSP_MMU_34XX_SIZE SZ_4K
+/*
+ * ----------------------------------------------------------------------------
+ * Omap4 specific IO mapping
+ * ----------------------------------------------------------------------------
+ */
-#elif defined(CONFIG_ARCH_OMAP4)
/* We map both L3 and L4 on OMAP4 */
#define L3_44XX_PHYS L3_44XX_BASE
#define L3_44XX_VIRT 0xd4000000
@@ -185,7 +201,12 @@
#define OMAP44XX_GPMC_VIRT 0xe0000000
#define OMAP44XX_GPMC_SIZE SZ_1M
-#endif
+
+/*
+ * ----------------------------------------------------------------------------
+ * Omap specific register access
+ * ----------------------------------------------------------------------------
+ */
#ifndef __ASSEMBLER__
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index d491ad15f198..b6defa23e77e 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -30,8 +30,8 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
{
#ifdef CONFIG_ARCH_OMAP1
if (cpu_class_is_omap1()) {
- if (BETWEEN(p, IO_PHYS, IO_SIZE))
- return XLATE(p, IO_PHYS, IO_VIRT);
+ if (BETWEEN(p, OMAP1_IO_PHYS, OMAP1_IO_SIZE))
+ return XLATE(p, OMAP1_IO_PHYS, OMAP1_IO_VIRT);
}
if (cpu_is_omap730()) {
if (BETWEEN(p, OMAP730_DSP_BASE, OMAP730_DSP_SIZE))
--
GitLab
From 987cadcf3ccf9e5bde7a31d9be392f9de5f88833 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@iki.fi>
Date: Fri, 28 Aug 2009 10:51:29 -0700
Subject: [PATCH 375/742] OMAP: remove OMAP_TAG_SERIAL_CONSOLE
Omap tags are deprecated and remove OMAP_TAG_SERIAL_CONSOLE. Console must be
enabled with the console boot parameter instead.
Signed-off-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/plat-omap/common.c | 44 -------------------------
arch/arm/plat-omap/include/mach/board.h | 1 -
2 files changed, 45 deletions(-)
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index ebcf006406f9..f37a29acc367 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -127,50 +127,6 @@ const void *omap_get_var_config(u16 tag, size_t *len)
}
EXPORT_SYMBOL(omap_get_var_config);
-static int __init omap_add_serial_console(void)
-{
- const struct omap_serial_console_config *con_info;
- const struct omap_uart_config *uart_info;
- static char speed[11], *opt = NULL;
- int line, i, uart_idx;
-
- uart_info = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
- con_info = omap_get_config(OMAP_TAG_SERIAL_CONSOLE,
- struct omap_serial_console_config);
- if (uart_info == NULL || con_info == NULL)
- return 0;
-
- if (con_info->console_uart == 0)
- return 0;
-
- if (con_info->console_speed) {
- snprintf(speed, sizeof(speed), "%u", con_info->console_speed);
- opt = speed;
- }
-
- uart_idx = con_info->console_uart - 1;
- if (uart_idx >= OMAP_MAX_NR_PORTS) {
- printk(KERN_INFO "Console: external UART#%d. "
- "Not adding it as console this time.\n",
- uart_idx + 1);
- return 0;
- }
- if (!(uart_info->enabled_uarts & (1 << uart_idx))) {
- printk(KERN_ERR "Console: Selected UART#%d is "
- "not enabled for this platform\n",
- uart_idx + 1);
- return -1;
- }
- line = 0;
- for (i = 0; i < uart_idx; i++) {
- if (uart_info->enabled_uarts & (1 << i))
- line++;
- }
- return add_preferred_console("ttyS", line, opt);
-}
-console_initcall(omap_add_serial_console);
-
-
/*
* 32KHz clocksource ... always available, on pretty most chips except
* OMAP 730 and 1510. Other timers could be used as clocksources, with
diff --git a/arch/arm/plat-omap/include/mach/board.h b/arch/arm/plat-omap/include/mach/board.h
index 50ea79a0efa2..0d125868b621 100644
--- a/arch/arm/plat-omap/include/mach/board.h
+++ b/arch/arm/plat-omap/include/mach/board.h
@@ -16,7 +16,6 @@
/* Different peripheral ids */
#define OMAP_TAG_CLOCK 0x4f01
-#define OMAP_TAG_SERIAL_CONSOLE 0x4f03
#define OMAP_TAG_LCD 0x4f05
#define OMAP_TAG_GPIO_SWITCH 0x4f06
#define OMAP_TAG_UART 0x4f07
--
GitLab
From 15ac408ee5a509053a765b816e9179515329369f Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@iki.fi>
Date: Fri, 28 Aug 2009 10:51:31 -0700
Subject: [PATCH 376/742] OMAP: UART: drop OMAP_TAG_UART, enable all UARTs,
auto-disabled on idle
OMAP tags are deprecrated so drop them.
Drop UART config data which decides which UARTs to enable during boot.
This is no longer necessary since serial core code disables clocks
after inactivity.
Background: with new UART idle code, all on-chip UARTs are idled using
a configurable inactivity timer (default 5 seconds.) After the
inactivity timer, UART clocks are disabled automatically.
Signed-off-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap1/board-ams-delta.c | 5 -----
arch/arm/mach-omap1/board-fsample.c | 5 -----
arch/arm/mach-omap1/board-generic.c | 5 -----
arch/arm/mach-omap1/board-h2.c | 5 -----
arch/arm/mach-omap1/board-h3.c | 5 -----
arch/arm/mach-omap1/board-innovator.c | 5 -----
arch/arm/mach-omap1/board-osk.c | 5 -----
arch/arm/mach-omap1/board-palmte.c | 5 -----
arch/arm/mach-omap1/board-palmtt.c | 5 -----
arch/arm/mach-omap1/board-palmz71.c | 5 -----
arch/arm/mach-omap1/board-perseus2.c | 5 -----
arch/arm/mach-omap1/board-sx1.c | 5 -----
arch/arm/mach-omap1/board-voiceblue.c | 5 -----
arch/arm/mach-omap1/serial.c | 11 -----------
arch/arm/mach-omap2/board-2430sdp.c | 5 -----
arch/arm/mach-omap2/board-3430sdp.c | 5 -----
arch/arm/mach-omap2/board-4430sdp.c | 1 -
arch/arm/mach-omap2/board-apollon.c | 5 -----
arch/arm/mach-omap2/board-generic.c | 5 -----
arch/arm/mach-omap2/board-h4.c | 5 -----
arch/arm/mach-omap2/board-ldp.c | 5 -----
arch/arm/mach-omap2/board-omap3beagle.c | 5 -----
arch/arm/mach-omap2/board-omap3evm.c | 5 -----
arch/arm/mach-omap2/board-omap3pandora.c | 5 -----
arch/arm/mach-omap2/board-overo.c | 4 ----
arch/arm/mach-omap2/board-rx51.c | 5 -----
arch/arm/mach-omap2/board-zoom2.c | 5 -----
arch/arm/mach-omap2/serial.c | 12 ------------
arch/arm/plat-omap/include/mach/board.h | 1 -
29 files changed, 149 deletions(-)
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 8b40aace9db4..580773202ea0 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -162,10 +162,6 @@ static struct omap_lcd_config ams_delta_lcd_config __initdata = {
.ctrl_name = "internal",
};
-static struct omap_uart_config ams_delta_uart_config __initdata = {
- .enabled_uarts = 1,
-};
-
static struct omap_usb_config ams_delta_usb_config __initdata = {
.register_host = 1,
.hmc_mode = 16,
@@ -174,7 +170,6 @@ static struct omap_usb_config ams_delta_usb_config __initdata = {
static struct omap_board_config_kernel ams_delta_config[] = {
{ OMAP_TAG_LCD, &ams_delta_lcd_config },
- { OMAP_TAG_UART, &ams_delta_uart_config },
};
static struct resource ams_delta_kp_resources[] = {
diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c
index 19e0e9232336..a7ead1b93226 100644
--- a/arch/arm/mach-omap1/board-fsample.c
+++ b/arch/arm/mach-omap1/board-fsample.c
@@ -240,16 +240,11 @@ static int nand_dev_ready(struct omap_nand_platform_data *data)
return gpio_get_value(P2_NAND_RB_GPIO_PIN);
}
-static struct omap_uart_config fsample_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1)),
-};
-
static struct omap_lcd_config fsample_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_board_config_kernel fsample_config[] = {
- { OMAP_TAG_UART, &fsample_uart_config },
{ OMAP_TAG_LCD, &fsample_lcd_config },
};
diff --git a/arch/arm/mach-omap1/board-generic.c b/arch/arm/mach-omap1/board-generic.c
index e724940e86f2..fb47239da72f 100644
--- a/arch/arm/mach-omap1/board-generic.c
+++ b/arch/arm/mach-omap1/board-generic.c
@@ -57,12 +57,7 @@ static struct omap_usb_config generic1610_usb_config __initdata = {
};
#endif
-static struct omap_uart_config generic_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_board_config_kernel generic_config[] __initdata = {
- { OMAP_TAG_UART, &generic_uart_config },
};
static void __init omap_generic_init(void)
diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c
index f695aa053ac8..aab860307dca 100644
--- a/arch/arm/mach-omap1/board-h2.c
+++ b/arch/arm/mach-omap1/board-h2.c
@@ -360,16 +360,11 @@ static struct omap_usb_config h2_usb_config __initdata = {
.pins[1] = 3,
};
-static struct omap_uart_config h2_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_lcd_config h2_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_board_config_kernel h2_config[] __initdata = {
- { OMAP_TAG_UART, &h2_uart_config },
{ OMAP_TAG_LCD, &h2_lcd_config },
};
diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c
index f597968733b4..89586b80b8d5 100644
--- a/arch/arm/mach-omap1/board-h3.c
+++ b/arch/arm/mach-omap1/board-h3.c
@@ -313,16 +313,11 @@ static struct omap_usb_config h3_usb_config __initdata = {
.pins[1] = 3,
};
-static struct omap_uart_config h3_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_lcd_config h3_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_board_config_kernel h3_config[] __initdata = {
- { OMAP_TAG_UART, &h3_uart_config },
{ OMAP_TAG_LCD, &h3_lcd_config },
};
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index 2fd98260ea49..cc2abbb2d0f4 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -368,13 +368,8 @@ static inline void innovator_mmc_init(void)
}
#endif
-static struct omap_uart_config innovator_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_board_config_kernel innovator_config[] = {
{ OMAP_TAG_LCD, NULL },
- { OMAP_TAG_UART, &innovator_uart_config },
};
static void __init innovator_init(void)
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index cf3247b15f87..ed891b8a6b15 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -293,10 +293,6 @@ static struct omap_usb_config osk_usb_config __initdata = {
.pins[0] = 2,
};
-static struct omap_uart_config osk_uart_config __initdata = {
- .enabled_uarts = (1 << 0),
-};
-
#ifdef CONFIG_OMAP_OSK_MISTRAL
static struct omap_lcd_config osk_lcd_config __initdata = {
.ctrl_name = "internal",
@@ -304,7 +300,6 @@ static struct omap_lcd_config osk_lcd_config __initdata = {
#endif
static struct omap_board_config_kernel osk_config[] __initdata = {
- { OMAP_TAG_UART, &osk_uart_config },
#ifdef CONFIG_OMAP_OSK_MISTRAL
{ OMAP_TAG_LCD, &osk_lcd_config },
#endif
diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c
index 886b4c0569bd..90dd0431b0dc 100644
--- a/arch/arm/mach-omap1/board-palmte.c
+++ b/arch/arm/mach-omap1/board-palmte.c
@@ -212,10 +212,6 @@ static struct omap_lcd_config palmte_lcd_config __initdata = {
.ctrl_name = "internal",
};
-static struct omap_uart_config palmte_uart_config __initdata = {
- .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
-};
-
#ifdef CONFIG_APM
/*
* Values measured in 10 minute intervals averaged over 10 samples.
@@ -302,7 +298,6 @@ static void palmte_get_power_status(struct apm_power_info *info, int *battery)
static struct omap_board_config_kernel palmte_config[] __initdata = {
{ OMAP_TAG_LCD, &palmte_lcd_config },
- { OMAP_TAG_UART, &palmte_uart_config },
};
static struct spi_board_info palmte_spi_info[] __initdata = {
diff --git a/arch/arm/mach-omap1/board-palmtt.c b/arch/arm/mach-omap1/board-palmtt.c
index 4f1b44831d37..8256139891ff 100644
--- a/arch/arm/mach-omap1/board-palmtt.c
+++ b/arch/arm/mach-omap1/board-palmtt.c
@@ -274,13 +274,8 @@ static struct omap_lcd_config palmtt_lcd_config __initdata = {
.ctrl_name = "internal",
};
-static struct omap_uart_config palmtt_uart_config __initdata = {
- .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
-};
-
static struct omap_board_config_kernel palmtt_config[] __initdata = {
{ OMAP_TAG_LCD, &palmtt_lcd_config },
- { OMAP_TAG_UART, &palmtt_uart_config },
};
static void __init omap_mpu_wdt_mode(int mode) {
diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c
index 9a55c3c58218..81b6bde1c5a3 100644
--- a/arch/arm/mach-omap1/board-palmz71.c
+++ b/arch/arm/mach-omap1/board-palmz71.c
@@ -244,13 +244,8 @@ static struct omap_lcd_config palmz71_lcd_config __initdata = {
.ctrl_name = "internal",
};
-static struct omap_uart_config palmz71_uart_config __initdata = {
- .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
-};
-
static struct omap_board_config_kernel palmz71_config[] __initdata = {
{OMAP_TAG_LCD, &palmz71_lcd_config},
- {OMAP_TAG_UART, &palmz71_uart_config},
};
static irqreturn_t
diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c
index 3b9f907aa899..83406699f310 100644
--- a/arch/arm/mach-omap1/board-perseus2.c
+++ b/arch/arm/mach-omap1/board-perseus2.c
@@ -208,16 +208,11 @@ static int nand_dev_ready(struct omap_nand_platform_data *data)
return gpio_get_value(P2_NAND_RB_GPIO_PIN);
}
-static struct omap_uart_config perseus2_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1)),
-};
-
static struct omap_lcd_config perseus2_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_board_config_kernel perseus2_config[] __initdata = {
- { OMAP_TAG_UART, &perseus2_uart_config },
{ OMAP_TAG_LCD, &perseus2_lcd_config },
};
diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
index c096577695fe..02c85ca2e1df 100644
--- a/arch/arm/mach-omap1/board-sx1.c
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -369,13 +369,8 @@ static struct platform_device *sx1_devices[] __initdata = {
};
/*-----------------------------------------*/
-static struct omap_uart_config sx1_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_board_config_kernel sx1_config[] __initdata = {
{ OMAP_TAG_LCD, &sx1_lcd_config },
- { OMAP_TAG_UART, &sx1_uart_config },
};
/*-----------------------------------------*/
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c
index 98275e03dad1..c06e7a553472 100644
--- a/arch/arm/mach-omap1/board-voiceblue.c
+++ b/arch/arm/mach-omap1/board-voiceblue.c
@@ -140,12 +140,7 @@ static struct omap_usb_config voiceblue_usb_config __initdata = {
.pins[2] = 6,
};
-static struct omap_uart_config voiceblue_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_board_config_kernel voiceblue_config[] = {
- { OMAP_TAG_UART, &voiceblue_uart_config },
};
static void __init voiceblue_init_irq(void)
diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
index 6f54b2c591cf..d496e50fec40 100644
--- a/arch/arm/mach-omap1/serial.c
+++ b/arch/arm/mach-omap1/serial.c
@@ -109,7 +109,6 @@ static struct platform_device serial_device = {
void __init omap_serial_init(void)
{
int i;
- const struct omap_uart_config *info;
if (cpu_is_omap730()) {
serial_platform_data[0].regshift = 0;
@@ -131,19 +130,9 @@ void __init omap_serial_init(void)
serial_platform_data[2].uartclk = OMAP1510_BASE_BAUD * 16;
}
- info = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
- if (info == NULL)
- return;
-
for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
unsigned char reg;
- if (!((1 << i) & info->enabled_uarts)) {
- serial_platform_data[i].membase = NULL;
- serial_platform_data[i].mapbase = 0;
- continue;
- }
-
switch (i) {
case 0:
uart1_ck = clk_get(NULL, "uart1_ck");
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 8ec2a132904d..7f5a74d59243 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -146,12 +146,7 @@ static void __init omap_2430sdp_init_irq(void)
omap_gpio_init();
}
-static struct omap_uart_config sdp2430_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_board_config_kernel sdp2430_config[] = {
- {OMAP_TAG_UART, &sdp2430_uart_config},
{OMAP_TAG_LCD, &sdp2430_lcd_config},
};
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index ac262cd74503..7e9b76cc7675 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -174,16 +174,11 @@ static void __init omap_3430sdp_init_irq(void)
omap_gpio_init();
}
-static struct omap_uart_config sdp3430_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_lcd_config sdp3430_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_board_config_kernel sdp3430_config[] __initdata = {
- { OMAP_TAG_UART, &sdp3430_uart_config },
{ OMAP_TAG_LCD, &sdp3430_lcd_config },
};
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index bdfda36d8aa8..f22f429c88fc 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -47,7 +47,6 @@ static struct omap_lcd_config sdp4430_lcd_config __initdata = {
};
static struct omap_board_config_kernel sdp4430_config[] __initdata = {
- { OMAP_TAG_UART, &sdp4430_uart_config },
{ OMAP_TAG_LCD, &sdp4430_lcd_config },
};
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index dcfc20d03894..615f21d1eb23 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -256,10 +256,6 @@ static void __init omap_apollon_init_irq(void)
apollon_init_smc91x();
}
-static struct omap_uart_config apollon_uart_config __initdata = {
- .enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
-};
-
static struct omap_usb_config apollon_usb_config __initdata = {
.register_dev = 1,
.hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */
@@ -272,7 +268,6 @@ static struct omap_lcd_config apollon_lcd_config __initdata = {
};
static struct omap_board_config_kernel apollon_config[] = {
- { OMAP_TAG_UART, &apollon_uart_config },
{ OMAP_TAG_LCD, &apollon_lcd_config },
};
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index fd00aa03690c..3e401c5b6e41 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -37,12 +37,7 @@ static void __init omap_generic_init_irq(void)
omap_init_irq();
}
-static struct omap_uart_config generic_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_board_config_kernel generic_config[] = {
- { OMAP_TAG_UART, &generic_uart_config },
};
static void __init omap_generic_init(void)
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index 7b1d61d5bb2c..b6501d241c10 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -276,10 +276,6 @@ static void __init omap_h4_init_irq(void)
h4_init_flash();
}
-static struct omap_uart_config h4_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_lcd_config h4_lcd_config __initdata = {
.ctrl_name = "internal",
};
@@ -318,7 +314,6 @@ static struct omap_usb_config h4_usb_config __initdata = {
};
static struct omap_board_config_kernel h4_config[] = {
- { OMAP_TAG_UART, &h4_uart_config },
{ OMAP_TAG_LCD, &h4_lcd_config },
};
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index ea383f88cb1b..2dd6806a1e8e 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -276,10 +276,6 @@ static void __init omap_ldp_init_irq(void)
ldp_init_smsc911x();
}
-static struct omap_uart_config ldp_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct platform_device ldp_lcd_device = {
.name = "ldp_lcd",
.id = -1,
@@ -290,7 +286,6 @@ static struct omap_lcd_config ldp_lcd_config __initdata = {
};
static struct omap_board_config_kernel ldp_config[] __initdata = {
- { OMAP_TAG_UART, &ldp_uart_config },
{ OMAP_TAG_LCD, &ldp_lcd_config },
};
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index e00ba128cece..201360781ac1 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -108,10 +108,6 @@ static struct platform_device omap3beagle_nand_device = {
#include "sdram-micron-mt46h32m32lf-6.h"
-static struct omap_uart_config omap3_beagle_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct twl4030_hsmmc_info mmc[] = {
{
.mmc = 1,
@@ -345,7 +341,6 @@ static struct platform_device keys_gpio = {
};
static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
- { OMAP_TAG_UART, &omap3_beagle_uart_config },
{ OMAP_TAG_LCD, &omap3_beagle_lcd_config },
};
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index c4b144647dc5..3e0435371ce6 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -92,10 +92,6 @@ static inline void __init omap3evm_init_smc911x(void)
gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
}
-static struct omap_uart_config omap3_evm_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct twl4030_hsmmc_info mmc[] = {
{
.mmc = 1,
@@ -287,7 +283,6 @@ static void __init omap3_evm_init_irq(void)
}
static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
- { OMAP_TAG_UART, &omap3_evm_uart_config },
{ OMAP_TAG_LCD, &omap3_evm_lcd_config },
};
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 864ee3d021f7..8236708c3627 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -213,10 +213,6 @@ static struct twl4030_hsmmc_info omap3pandora_mmc[] = {
{} /* Terminator */
};
-static struct omap_uart_config omap3pandora_uart_config __initdata = {
- .enabled_uarts = (1 << 2), /* UART3 */
-};
-
static struct regulator_consumer_supply pandora_vmmc1_supply = {
.supply = "vmmc",
};
@@ -376,7 +372,6 @@ static struct omap_lcd_config omap3pandora_lcd_config __initdata = {
};
static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
- { OMAP_TAG_UART, &omap3pandora_uart_config },
{ OMAP_TAG_LCD, &omap3pandora_lcd_config },
};
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 6bce23004aa4..eb78e6eab4f4 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -271,9 +271,6 @@ static void __init overo_flash_init(void)
printk(KERN_ERR "Unable to register NAND device\n");
}
}
-static struct omap_uart_config overo_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
static struct twl4030_hsmmc_info mmc[] = {
{
@@ -378,7 +375,6 @@ static struct omap_lcd_config overo_lcd_config __initdata = {
};
static struct omap_board_config_kernel overo_config[] __initdata = {
- { OMAP_TAG_UART, &overo_uart_config },
{ OMAP_TAG_LCD, &overo_lcd_config },
};
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 1c9e07fe8266..c0d13401425f 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -31,10 +31,6 @@
#include <mach/gpmc.h>
#include <mach/usb.h>
-static struct omap_uart_config rx51_uart_config = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_lcd_config rx51_lcd_config = {
.ctrl_name = "internal",
};
@@ -52,7 +48,6 @@ static struct omap_fbmem_config rx51_fbmem2_config = {
};
static struct omap_board_config_kernel rx51_config[] = {
- { OMAP_TAG_UART, &rx51_uart_config },
{ OMAP_TAG_FBMEM, &rx51_fbmem0_config },
{ OMAP_TAG_FBMEM, &rx51_fbmem1_config },
{ OMAP_TAG_FBMEM, &rx51_fbmem2_config },
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
index 427b7b8b1237..3a42eca1ad80 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -30,12 +30,7 @@ static void __init omap_zoom2_init_irq(void)
omap_gpio_init();
}
-static struct omap_uart_config zoom2_uart_config __initdata = {
- .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
static struct omap_board_config_kernel zoom2_config[] __initdata = {
- { OMAP_TAG_UART, &zoom2_uart_config },
};
static struct twl4030_gpio_platform_data zoom2_gpio_data = {
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 42449002f60d..409b03309af4 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -555,7 +555,6 @@ static struct omap_uart_state omap_uart[OMAP_MAX_NR_PORTS] = {
void __init omap_serial_init(void)
{
int i;
- const struct omap_uart_config *info;
char name[16];
/*
@@ -564,23 +563,12 @@ void __init omap_serial_init(void)
* if not needed.
*/
- info = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
-
- if (info == NULL)
- return;
-
for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
struct omap_uart_state *uart = &omap_uart[i];
struct platform_device *pdev = &uart->pdev;
struct device *dev = &pdev->dev;
struct plat_serial8250_port *p = dev->platform_data;
- if (!(info->enabled_uarts & (1 << i))) {
- p->membase = NULL;
- p->mapbase = 0;
- continue;
- }
-
sprintf(name, "uart%d_ick", i+1);
uart->ick = clk_get(NULL, name);
if (IS_ERR(uart->ick)) {
diff --git a/arch/arm/plat-omap/include/mach/board.h b/arch/arm/plat-omap/include/mach/board.h
index 0d125868b621..8e913c322810 100644
--- a/arch/arm/plat-omap/include/mach/board.h
+++ b/arch/arm/plat-omap/include/mach/board.h
@@ -18,7 +18,6 @@
#define OMAP_TAG_CLOCK 0x4f01
#define OMAP_TAG_LCD 0x4f05
#define OMAP_TAG_GPIO_SWITCH 0x4f06
-#define OMAP_TAG_UART 0x4f07
#define OMAP_TAG_FBMEM 0x4f08
#define OMAP_TAG_STI_CONSOLE 0x4f09
#define OMAP_TAG_CAMERA_SENSOR 0x4f0a
--
GitLab
From 79e44c952cec025295b3f0fd0ff2a875689b98c4 Mon Sep 17 00:00:00 2001
From: Roger Quadros <ext-roger.quadros@nokia.com>
Date: Fri, 28 Aug 2009 10:51:35 -0700
Subject: [PATCH 377/742] OMAP: Remove omap boot parsing code
Remove left over code for parsing omap boot tags. This is
no longer used.
see commit fc0ef1bfa1353e048e055374a09c75320d22231b
Signed-off-by: Roger Quadros <ext-roger.quadros@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/plat-omap/common.c | 44 -------------------------------------
1 file changed, 44 deletions(-)
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index f37a29acc367..a6fa786019c8 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -54,50 +54,6 @@ static const void *get_config(u16 tag, size_t len, int skip, size_t *len_out)
struct omap_board_config_kernel *kinfo = NULL;
int i;
-#ifdef CONFIG_OMAP_BOOT_TAG
- struct omap_board_config_entry *info = NULL;
-
- if (omap_bootloader_tag_len > 4)
- info = (struct omap_board_config_entry *) omap_bootloader_tag;
- while (info != NULL) {
- u8 *next;
-
- if (info->tag == tag) {
- if (skip == 0)
- break;
- skip--;
- }
-
- if ((info->len & 0x03) != 0) {
- /* We bail out to avoid an alignment fault */
- printk(KERN_ERR "OMAP peripheral config: Length (%d) not word-aligned (tag %04x)\n",
- info->len, info->tag);
- return NULL;
- }
- next = (u8 *) info + sizeof(*info) + info->len;
- if (next >= omap_bootloader_tag + omap_bootloader_tag_len)
- info = NULL;
- else
- info = (struct omap_board_config_entry *) next;
- }
- if (info != NULL) {
- /* Check the length as a lame attempt to check for
- * binary inconsistency. */
- if (len != NO_LENGTH_CHECK) {
- /* Word-align len */
- if (len & 0x03)
- len = (len + 3) & ~0x03;
- if (info->len != len) {
- printk(KERN_ERR "OMAP peripheral config: Length mismatch with tag %x (want %d, got %d)\n",
- tag, len, info->len);
- return NULL;
- }
- }
- if (len_out != NULL)
- *len_out = info->len;
- return info->data;
- }
-#endif
/* Try to find the config from the board-specific structures
* in the kernel. */
for (i = 0; i < omap_board_config_size; i++) {
--
GitLab
From 82dbb9d39f58e3d12b5903764901df5fec759daf Mon Sep 17 00:00:00 2001
From: Eero Nurkkala <ext-eero.nurkkala@nokia.com>
Date: Fri, 28 Aug 2009 10:51:36 -0700
Subject: [PATCH 378/742] OMAP: GPIO: Avoid generating extra IRQs
It is possible for GPIO IRQ lines configured with
falling edge triggering only to get IRQs at the
rising edge upon the exit of offmode. And vice
versa. Prevent such IRQs to arrive by generating
the IRQ obeying the detection scheme.
Signed-off-by: Eero Nurkkala <ext-eero.nurkkala@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/plat-omap/gpio.c | 27 +++++++++++++++++++++++----
1 file changed, 23 insertions(+), 4 deletions(-)
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index b55b4adffbe7..7c70a6afcf66 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -1895,7 +1895,7 @@ void omap2_gpio_resume_after_retention(void)
return;
for (i = 0; i < gpio_bank_count; i++) {
struct gpio_bank *bank = &gpio_bank[i];
- u32 l;
+ u32 l, gen, gen0, gen1;
if (!(bank->enabled_non_wakeup_gpios))
continue;
@@ -1916,14 +1916,33 @@ void omap2_gpio_resume_after_retention(void)
#endif
l ^= bank->saved_datain;
l &= bank->non_wakeup_gpios;
- if (l) {
+
+ /*
+ * No need to generate IRQs for the rising edge for gpio IRQs
+ * configured with falling edge only; and vice versa.
+ */
+ gen0 = l & bank->saved_fallingdetect;
+ gen0 &= bank->saved_datain;
+
+ gen1 = l & bank->saved_risingdetect;
+ gen1 &= ~(bank->saved_datain);
+
+ /* FIXME: Consider GPIO IRQs with level detections properly! */
+ gen = l & (~(bank->saved_fallingdetect) &
+ ~(bank->saved_risingdetect));
+ /* Consider all GPIO IRQs needed to be updated */
+ gen |= gen0 | gen1;
+
+ if (gen) {
u32 old0, old1;
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
defined(CONFIG_ARCH_OMAP4)
old0 = __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0);
old1 = __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1);
- __raw_writel(old0 | l, bank->base + OMAP24XX_GPIO_LEVELDETECT0);
- __raw_writel(old1 | l, bank->base + OMAP24XX_GPIO_LEVELDETECT1);
+ __raw_writel(old0 | gen, bank->base +
+ OMAP24XX_GPIO_LEVELDETECT0);
+ __raw_writel(old1 | gen, bank->base +
+ OMAP24XX_GPIO_LEVELDETECT1);
__raw_writel(old0, bank->base + OMAP24XX_GPIO_LEVELDETECT0);
__raw_writel(old1, bank->base + OMAP24XX_GPIO_LEVELDETECT1);
#endif
--
GitLab
From eff443df679ea7e553830db992e2f02707ddbb47 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Date: Fri, 28 Aug 2009 10:51:37 -0700
Subject: [PATCH 379/742] OMAP1: AMS_DELTA: add modem support
This patch adds support for modem device found on Amstrad E3 (Delta) board.
Based on earlier patch by Jonathan McDowell, available at
http://the.earth.li/pub/e3/2.6.19/ams-delta-modem.patch.
Modified after Ladislav Michl's arch/arm/mach-omap1/board-voiceblue.c.
This patch is dependent on 8250 driver changes getting accepted upstream:
http://git.kernel.org/?p=linux/kernel/git/sfr/linux-next.git;a=commit;h=7053133124d5cdf207c1168c7a0c582a18e12ea7
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap1/board-ams-delta.c | 38 +++++++++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 580773202ea0..42920f9c1a11 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -15,8 +15,11 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/input.h>
+#include <linux/interrupt.h>
#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <asm/serial.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -230,6 +233,41 @@ static void __init ams_delta_init(void)
platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
}
+static struct plat_serial8250_port ams_delta_modem_ports[] = {
+ {
+ .membase = (void *) AMS_DELTA_MODEM_VIRT,
+ .mapbase = AMS_DELTA_MODEM_PHYS,
+ .irq = -EINVAL, /* changed later */
+ .flags = UPF_BOOT_AUTOCONF,
+ .irqflags = IRQF_TRIGGER_RISING,
+ .iotype = UPIO_MEM,
+ .regshift = 1,
+ .uartclk = BASE_BAUD * 16,
+ },
+ { },
+};
+
+static struct platform_device ams_delta_modem_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM1,
+ .dev = {
+ .platform_data = ams_delta_modem_ports,
+ },
+};
+
+static int __init ams_delta_modem_init(void)
+{
+ omap_cfg_reg(M14_1510_GPIO2);
+ ams_delta_modem_ports[0].irq = gpio_to_irq(2);
+
+ ams_delta_latch2_write(
+ AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
+ AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
+
+ return platform_device_register(&ams_delta_modem_device);
+}
+arch_initcall(ams_delta_modem_init);
+
static void __init ams_delta_map_io(void)
{
omap1_map_common_io();
--
GitLab
From 1b52d5df64bea12bed82dbc1c736638e77d1ce80 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@iki.fi>
Date: Fri, 28 Aug 2009 10:51:37 -0700
Subject: [PATCH 380/742] OMAP2: compile usb-tusb6010.c
For some reason usb-tusb6010.c was't compiled, add it to Makefile and
Kconfig. This is prepraration for upcoming n8x0 support.
Signed-off-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/Kconfig | 5 +++++
arch/arm/mach-omap2/Makefile | 1 +
2 files changed, 6 insertions(+)
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index a755eb5e2361..bf54686c8b73 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -31,6 +31,11 @@ config MACH_OMAP_GENERIC
bool "Generic OMAP board"
depends on ARCH_OMAP2 && ARCH_OMAP24XX
+config MACH_OMAP2_TUSB6010
+ bool
+ depends on ARCH_OMAP2 && ARCH_OMAP2420
+ default y if MACH_NOKIA_N8X0
+
config MACH_OMAP_H4
bool "OMAP 2420 H4 board"
depends on ARCH_OMAP2 && ARCH_OMAP24XX
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 735bae5b0dec..757c84b8eef4 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -74,6 +74,7 @@ obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o
# Platform specific device init code
obj-y += usb-musb.o
+obj-$(CONFIG_MACH_OMAP2_TUSB6010) += usb-tusb6010.o
onenand-$(CONFIG_MTD_ONENAND_OMAP2) := gpmc-onenand.o
obj-y += $(onenand-m) $(onenand-y)
--
GitLab
From 6313881292c238190bc119404ae13f65c61b2daa Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@iki.fi>
Date: Fri, 28 Aug 2009 10:51:38 -0700
Subject: [PATCH 381/742] OMAP2: add board file for Nokia N800 and N810
Add board file for Nokia N800 and N810 devices. Currently only serial ports,
onenand and spi are configured, more to come later.
Tested on Nokia N800.
Signed-off-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/Kconfig | 4 +
arch/arm/mach-omap2/Makefile | 2 +-
arch/arm/mach-omap2/board-n8x0.c | 150 +++++++++++++++++++++++++++++++
3 files changed, 155 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/mach-omap2/board-n8x0.c
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index bf54686c8b73..75b1c7efae7e 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -73,6 +73,10 @@ config MACH_OMAP_3430SDP
bool "OMAP 3430 SDP board"
depends on ARCH_OMAP3 && ARCH_OMAP34XX
+config MACH_NOKIA_N8X0
+ bool "Nokia N800/N810"
+ depends on ARCH_OMAP2420
+
config MACH_NOKIA_RX51
bool "Nokia RX-51 board"
depends on ARCH_OMAP3 && ARCH_OMAP34XX
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 757c84b8eef4..8850a247bec9 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -62,7 +62,7 @@ obj-$(CONFIG_MACH_OMAP3_PANDORA) += board-omap3pandora.o \
mmc-twl4030.o
obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \
mmc-twl4030.o
-
+obj-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0.o
obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \
board-rx51-peripherals.o \
mmc-twl4030.o
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
new file mode 100644
index 000000000000..8341632d260b
--- /dev/null
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -0,0 +1,150 @@
+/*
+ * linux/arch/arm/mach-omap2/board-n8x0.c
+ *
+ * Copyright (C) 2005-2009 Nokia Corporation
+ * Author: Juha Yrjola <juha.yrjola@nokia.com>
+ *
+ * Modified from mach-omap2/board-generic.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/stddef.h>
+#include <linux/spi/spi.h>
+#include <linux/usb/musb.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <mach/board.h>
+#include <mach/common.h>
+#include <mach/irqs.h>
+#include <mach/mcspi.h>
+#include <mach/onenand.h>
+#include <mach/serial.h>
+
+static struct omap2_mcspi_device_config p54spi_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1,
+};
+
+static struct spi_board_info n800_spi_board_info[] __initdata = {
+ {
+ .modalias = "p54spi",
+ .bus_num = 2,
+ .chip_select = 0,
+ .max_speed_hz = 48000000,
+ .controller_data = &p54spi_mcspi_config,
+ },
+};
+
+#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
+ defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
+
+static struct mtd_partition onenand_partitions[] = {
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = 0x20000,
+ .mask_flags = MTD_WRITEABLE, /* Force read-only */
+ },
+ {
+ .name = "config",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x60000,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x200000,
+ },
+ {
+ .name = "initfs",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x400000,
+ },
+ {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct omap_onenand_platform_data board_onenand_data = {
+ .cs = 0,
+ .gpio_irq = 26,
+ .parts = onenand_partitions,
+ .nr_parts = ARRAY_SIZE(onenand_partitions),
+ .flags = ONENAND_SYNC_READ,
+};
+
+static void __init n8x0_onenand_init(void)
+{
+ gpmc_onenand_init(&board_onenand_data);
+}
+
+#else
+
+static void __init n8x0_onenand_init(void) {}
+
+#endif
+
+static void __init n8x0_map_io(void)
+{
+ omap2_set_globals_242x();
+ omap2_map_common_io();
+}
+
+static void __init n8x0_init_irq(void)
+{
+ omap2_init_common_hw(NULL, NULL);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
+static void __init n8x0_init_machine(void)
+{
+ /* FIXME: add n810 spi devices */
+ spi_register_board_info(n800_spi_board_info,
+ ARRAY_SIZE(n800_spi_board_info));
+
+ omap_serial_init();
+ n8x0_onenand_init();
+}
+
+MACHINE_START(NOKIA_N800, "Nokia N800")
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = n8x0_map_io,
+ .init_irq = n8x0_init_irq,
+ .init_machine = n8x0_init_machine,
+ .timer = &omap_timer,
+MACHINE_END
+
+MACHINE_START(NOKIA_N810, "Nokia N810")
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = n8x0_map_io,
+ .init_irq = n8x0_init_irq,
+ .init_machine = n8x0_init_machine,
+ .timer = &omap_timer,
+MACHINE_END
+
+MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = n8x0_map_io,
+ .init_irq = n8x0_init_irq,
+ .init_machine = n8x0_init_machine,
+ .timer = &omap_timer,
+MACHINE_END
--
GitLab
From af933f4729f2cc25306f1a514d55c248da480d66 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@iki.fi>
Date: Fri, 28 Aug 2009 10:51:38 -0700
Subject: [PATCH 382/742] OMAP2: n8x0: add n8x0_defconfig
Add defconfig file for OMAP2 N800 and N810 devices.
Signed-off-by: Kalle Valo <kalle.valo@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/configs/n8x0_defconfig | 1104 +++++++++++++++++++++++++++++++
1 file changed, 1104 insertions(+)
create mode 100644 arch/arm/configs/n8x0_defconfig
diff --git a/arch/arm/configs/n8x0_defconfig b/arch/arm/configs/n8x0_defconfig
new file mode 100644
index 000000000000..8da75dede52e
--- /dev/null
+++ b/arch/arm/configs/n8x0_defconfig
@@ -0,0 +1,1104 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.31-rc5
+# Thu Aug 6 22:17:23 2009
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_MMU=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+# CONFIG_CLASSIC_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_IPC_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+# CONFIG_NET_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Performance Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+# CONFIG_STRIP_ASM_SYMS is not set
+CONFIG_COMPAT_BRK=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+CONFIG_ARCH_OMAP=y
+
+#
+# TI OMAP Implementations
+#
+CONFIG_ARCH_OMAP_OTG=y
+# CONFIG_ARCH_OMAP1 is not set
+CONFIG_ARCH_OMAP2=y
+# CONFIG_ARCH_OMAP3 is not set
+# CONFIG_ARCH_OMAP4 is not set
+
+#
+# OMAP Feature Selections
+#
+# CONFIG_OMAP_DEBUG_POWERDOMAIN is not set
+# CONFIG_OMAP_DEBUG_CLOCKDOMAIN is not set
+CONFIG_OMAP_RESET_CLOCKS=y
+# CONFIG_OMAP_MUX is not set
+# CONFIG_OMAP_MCBSP is not set
+CONFIG_OMAP_MBOX_FWK=y
+# CONFIG_OMAP_MPU_TIMER is not set
+CONFIG_OMAP_32K_TIMER=y
+CONFIG_OMAP_32K_TIMER_HZ=128
+CONFIG_OMAP_DM_TIMER=y
+# CONFIG_OMAP_LL_DEBUG_UART1 is not set
+# CONFIG_OMAP_LL_DEBUG_UART2 is not set
+CONFIG_OMAP_LL_DEBUG_UART3=y
+# CONFIG_MACH_OMAP_GENERIC is not set
+
+#
+# OMAP Core Type
+#
+CONFIG_ARCH_OMAP24XX=y
+CONFIG_ARCH_OMAP2420=y
+# CONFIG_ARCH_OMAP2430 is not set
+
+#
+# OMAP Board Type
+#
+CONFIG_MACH_OMAP2_TUSB6010=y
+# CONFIG_MACH_OMAP_H4 is not set
+# CONFIG_MACH_OMAP_APOLLON is not set
+# CONFIG_MACH_OMAP_2430SDP is not set
+CONFIG_MACH_NOKIA_N8X0=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_V6=y
+# CONFIG_CPU_32v6K is not set
+CONFIG_CPU_32v6=y
+CONFIG_CPU_ABRT_EV6=y
+CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_CACHE_V6=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+# CONFIG_ARM_ERRATA_411920 is not set
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=128
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_LEDS=y
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x10C08000
+CONFIG_ZBOOT_ROM_BSS=0x10200000
+# CONFIG_ZBOOT_ROM is not set
+CONFIG_CMDLINE="root=1f03 rootfstype=jffs2 console=ttyS0,115200n8"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_FREQ is not set
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+# CONFIG_FPE_NWFPE_XP is not set
+# CONFIG_FPE_FASTFPE is not set
+CONFIG_VFP=y
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+# CONFIG_PACKET is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_PNP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_LIB80211 is not set
+
+#
+# CFG80211 needs to be enabled for MAC80211
+#
+CONFIG_MAC80211_DEFAULT_PS_VALUE=0
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_TESTS is not set
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+# CONFIG_MTD_CHAR is not set
+CONFIG_HAVE_MTD_OTP=y
+# CONFIG_MTD_BLKDEVS is not set
+# CONFIG_MTD_BLOCK is not set
+# CONFIG_MTD_BLOCK_RO is not set
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+# CONFIG_MTD_CFI is not set
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+CONFIG_MTD_ONENAND=y
+# CONFIG_MTD_ONENAND_VERIFY_WRITE is not set
+# CONFIG_MTD_ONENAND_GENERIC is not set
+CONFIG_MTD_ONENAND_OMAP2=y
+CONFIG_MTD_ONENAND_OTP=y
+# CONFIG_MTD_ONENAND_2X_PROGRAM is not set
+# CONFIG_MTD_ONENAND_SIM is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MG_DISK is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_NETDEVICES is not set
+# CONFIG_ISDN is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_MAX3100 is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+# CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
+CONFIG_SPI_OMAP24XX=y
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_EZX_PCAP is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+CONFIG_USB_DEBUG=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_MON is not set
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_OHCI_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_HWA_HCD is not set
+CONFIG_USB_MUSB_HDRC=y
+CONFIG_USB_TUSB6010=y
+# CONFIG_USB_MUSB_HOST is not set
+CONFIG_USB_MUSB_PERIPHERAL=y
+# CONFIG_USB_MUSB_OTG is not set
+CONFIG_USB_GADGET_MUSB_HDRC=y
+# CONFIG_MUSB_PIO_ONLY is not set
+# CONFIG_USB_INVENTRA_DMA is not set
+# CONFIG_USB_TI_CPPI_DMA is not set
+CONFIG_USB_TUSB_OMAP_DMA=y
+CONFIG_USB_MUSB_DEBUG=y
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+
+#
+# also be needed; see USB_STORAGE Help for more info
+#
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_SISUSBVGA is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DEBUG=y
+CONFIG_USB_GADGET_DEBUG_FILES=y
+CONFIG_USB_GADGET_VBUS_DRAW=2
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C_HSOTG is not set
+# CONFIG_USB_GADGET_IMX is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LANGWELL is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+# CONFIG_USB_ZERO is not set
+# CONFIG_USB_AUDIO is not set
+CONFIG_USB_ETH=y
+# CONFIG_USB_ETH_RNDIS is not set
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+
+#
+# OTG and related infrastructure
+#
+CONFIG_USB_OTG_UTILS=y
+# CONFIG_USB_GPIO_VBUS is not set
+CONFIG_NOP_USB_XCEIV=y
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_NEW_LEDS is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+CONFIG_JFFS2_SUMMARY=y
+# CONFIG_JFFS2_FS_XATTR is not set
+CONFIG_JFFS2_COMPRESSION_OPTIONS=y
+CONFIG_JFFS2_ZLIB=y
+CONFIG_JFFS2_LZO=y
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_JFFS2_CMODE_NONE is not set
+CONFIG_JFFS2_CMODE_PRIORITY=y
+# CONFIG_JFFS2_CMODE_SIZE is not set
+# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+# CONFIG_NFS_FS is not set
+# CONFIG_NFSD is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+# CONFIG_NLS_CODEPAGE_437 is not set
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+# CONFIG_NLS_ISO8859_1 is not set
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
+# CONFIG_BOOT_TRACER is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_LL is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=y
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_LZO_COMPRESS=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
--
GitLab
From 613f77696e2c489e87def86a443fb4889acb95aa Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Fri, 28 Aug 2009 10:54:40 -0700
Subject: [PATCH 383/742] OMAP: iommu: fix wrong argument in flush_cache_vmap()
The second argument should be the end address, not the
length. Actually there will not be any effect on the behavior of this
driver since flush_cache_vmap() calls flush_cache_all() in the end.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/plat-omap/iovmm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index 2fce2c151a95..6fc52fcbdc03 100644
--- a/arch/arm/plat-omap/iovmm.c
+++ b/arch/arm/plat-omap/iovmm.c
@@ -199,7 +199,7 @@ static void *vmap_sg(const struct sg_table *sgt)
va += bytes;
}
- flush_cache_vmap(new->addr, total);
+ flush_cache_vmap(new->addr, new->addr + total);
return new->addr;
err_out:
--
GitLab
From 14e0e6796a0d460ac6f7727616161dc317bbbf3a Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Fri, 28 Aug 2009 10:54:41 -0700
Subject: [PATCH 384/742] OMAP: iommu: add initial debugfs support
This enables to peek the following data.
$ /debug/iommu/isp# ls
mem nr_tlb_entries regs
mmap pagetable tlb
$ /debug/iommu/isp# head pagetable
L: da: pa:
-----------------------------------------
2: 00001000 8ae4a002
2: 00002000 8e7bb002
2: 00003000 8ae49002
2: 00004000 8ae65002
.....
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/iommu2.c | 19 +-
arch/arm/plat-omap/Kconfig | 4 +
arch/arm/plat-omap/Makefile | 1 +
arch/arm/plat-omap/include/mach/iommu.h | 6 +-
arch/arm/plat-omap/iommu-debug.c | 415 ++++++++++++++++++++++++
arch/arm/plat-omap/iommu.c | 23 +-
6 files changed, 449 insertions(+), 19 deletions(-)
create mode 100644 arch/arm/plat-omap/iommu-debug.c
diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c
index 015f22a53ead..2d9b5cc981cd 100644
--- a/arch/arm/mach-omap2/iommu2.c
+++ b/arch/arm/mach-omap2/iommu2.c
@@ -217,10 +217,19 @@ static ssize_t omap2_dump_cr(struct iommu *obj, struct cr_regs *cr, char *buf)
}
#define pr_reg(name) \
- p += sprintf(p, "%20s: %08x\n", \
- __stringify(name), iommu_read_reg(obj, MMU_##name));
-
-static ssize_t omap2_iommu_dump_ctx(struct iommu *obj, char *buf)
+ do { \
+ ssize_t bytes; \
+ const char *str = "%20s: %08x\n"; \
+ const int maxcol = 32; \
+ bytes = snprintf(p, maxcol, str, __stringify(name), \
+ iommu_read_reg(obj, MMU_##name)); \
+ p += bytes; \
+ len -= bytes; \
+ if (len < maxcol) \
+ goto out; \
+ } while (0)
+
+static ssize_t omap2_iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t len)
{
char *p = buf;
@@ -242,7 +251,7 @@ static ssize_t omap2_iommu_dump_ctx(struct iommu *obj, char *buf)
pr_reg(READ_CAM);
pr_reg(READ_RAM);
pr_reg(EMU_FAULT_AD);
-
+out:
return p - buf;
}
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index efe85d095190..ab9f9efc9b62 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -120,6 +120,10 @@ config OMAP_MBOX_FWK
config OMAP_IOMMU
tristate
+config OMAP_IOMMU_DEBUG
+ depends on OMAP_IOMMU
+ tristate
+
choice
prompt "System timer"
default OMAP_MPU_TIMER
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index a83279523958..769a4c200364 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_ARCH_OMAP16XX) += ocpi.o
obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
obj-$(CONFIG_OMAP_IOMMU) += iommu.o iovmm.o
+obj-$(CONFIG_OMAP_IOMMU_DEBUG) += iommu-debug.o
obj-$(CONFIG_CPU_FREQ) += cpu-omap.o
obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o
diff --git a/arch/arm/plat-omap/include/mach/iommu.h b/arch/arm/plat-omap/include/mach/iommu.h
index 769b00b4c34a..46d41ac83dbf 100644
--- a/arch/arm/plat-omap/include/mach/iommu.h
+++ b/arch/arm/plat-omap/include/mach/iommu.h
@@ -95,7 +95,7 @@ struct iommu_functions {
void (*save_ctx)(struct iommu *obj);
void (*restore_ctx)(struct iommu *obj);
- ssize_t (*dump_ctx)(struct iommu *obj, char *buf);
+ ssize_t (*dump_ctx)(struct iommu *obj, char *buf, ssize_t len);
};
struct iommu_platform_data {
@@ -162,7 +162,7 @@ extern void uninstall_iommu_arch(const struct iommu_functions *ops);
extern int foreach_iommu_device(void *data,
int (*fn)(struct device *, void *));
-extern ssize_t iommu_dump_ctx(struct iommu *obj, char *buf);
-extern size_t dump_tlb_entries(struct iommu *obj, char *buf);
+extern ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t len);
+extern size_t dump_tlb_entries(struct iommu *obj, char *buf, ssize_t len);
#endif /* __MACH_IOMMU_H */
diff --git a/arch/arm/plat-omap/iommu-debug.c b/arch/arm/plat-omap/iommu-debug.c
new file mode 100644
index 000000000000..c799b3b0d709
--- /dev/null
+++ b/arch/arm/plat-omap/iommu-debug.c
@@ -0,0 +1,415 @@
+/*
+ * omap iommu: debugfs interface
+ *
+ * Copyright (C) 2008-2009 Nokia Corporation
+ *
+ * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <linux/platform_device.h>
+#include <linux/debugfs.h>
+
+#include <mach/iommu.h>
+#include <mach/iovmm.h>
+
+#include "iopgtable.h"
+
+#define MAXCOLUMN 100 /* for short messages */
+
+static DEFINE_MUTEX(iommu_debug_lock);
+
+static struct dentry *iommu_debug_root;
+
+static ssize_t debug_read_ver(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ u32 ver = iommu_arch_version();
+ char buf[MAXCOLUMN], *p = buf;
+
+ p += sprintf(p, "H/W version: %d.%d\n", (ver >> 4) & 0xf , ver & 0xf);
+
+ return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+}
+
+static ssize_t debug_read_regs(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct iommu *obj = file->private_data;
+ char *p, *buf;
+ ssize_t bytes;
+
+ buf = kmalloc(count, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ p = buf;
+
+ mutex_lock(&iommu_debug_lock);
+
+ bytes = iommu_dump_ctx(obj, p, count);
+ bytes = simple_read_from_buffer(userbuf, count, ppos, buf, bytes);
+
+ mutex_unlock(&iommu_debug_lock);
+ kfree(buf);
+
+ return bytes;
+}
+
+static ssize_t debug_read_tlb(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct iommu *obj = file->private_data;
+ char *p, *buf;
+ ssize_t bytes, rest;
+
+ buf = kmalloc(count, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ p = buf;
+
+ mutex_lock(&iommu_debug_lock);
+
+ p += sprintf(p, "%8s %8s\n", "cam:", "ram:");
+ p += sprintf(p, "-----------------------------------------\n");
+ rest = count - (p - buf);
+ p += dump_tlb_entries(obj, p, rest);
+
+ bytes = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+
+ mutex_unlock(&iommu_debug_lock);
+ kfree(buf);
+
+ return bytes;
+}
+
+static ssize_t debug_write_pagetable(struct file *file,
+ const char __user *userbuf, size_t count, loff_t *ppos)
+{
+ struct iotlb_entry e;
+ struct cr_regs cr;
+ int err;
+ struct iommu *obj = file->private_data;
+ char buf[MAXCOLUMN], *p = buf;
+
+ count = min(count, sizeof(buf));
+
+ mutex_lock(&iommu_debug_lock);
+ if (copy_from_user(p, userbuf, count)) {
+ mutex_unlock(&iommu_debug_lock);
+ return -EFAULT;
+ }
+
+ sscanf(p, "%x %x", &cr.cam, &cr.ram);
+ if (!cr.cam || !cr.ram) {
+ mutex_unlock(&iommu_debug_lock);
+ return -EINVAL;
+ }
+
+ iotlb_cr_to_e(&cr, &e);
+ err = iopgtable_store_entry(obj, &e);
+ if (err)
+ dev_err(obj->dev, "%s: fail to store cr\n", __func__);
+
+ mutex_unlock(&iommu_debug_lock);
+ return count;
+}
+
+#define dump_ioptable_entry_one(lv, da, val) \
+ ({ \
+ int __err = 0; \
+ ssize_t bytes; \
+ const int maxcol = 22; \
+ const char *str = "%d: %08x %08x\n"; \
+ bytes = snprintf(p, maxcol, str, lv, da, val); \
+ p += bytes; \
+ len -= bytes; \
+ if (len < maxcol) \
+ __err = -ENOMEM; \
+ __err; \
+ })
+
+static ssize_t dump_ioptable(struct iommu *obj, char *buf, ssize_t len)
+{
+ int i;
+ u32 *iopgd;
+ char *p = buf;
+
+ spin_lock(&obj->page_table_lock);
+
+ iopgd = iopgd_offset(obj, 0);
+ for (i = 0; i < PTRS_PER_IOPGD; i++, iopgd++) {
+ int j, err;
+ u32 *iopte;
+ u32 da;
+
+ if (!*iopgd)
+ continue;
+
+ if (!(*iopgd & IOPGD_TABLE)) {
+ da = i << IOPGD_SHIFT;
+
+ err = dump_ioptable_entry_one(1, da, *iopgd);
+ if (err)
+ goto out;
+ continue;
+ }
+
+ iopte = iopte_offset(iopgd, 0);
+
+ for (j = 0; j < PTRS_PER_IOPTE; j++, iopte++) {
+ if (!*iopte)
+ continue;
+
+ da = (i << IOPGD_SHIFT) + (j << IOPTE_SHIFT);
+ err = dump_ioptable_entry_one(2, da, *iopgd);
+ if (err)
+ goto out;
+ }
+ }
+out:
+ spin_unlock(&obj->page_table_lock);
+
+ return p - buf;
+}
+
+static ssize_t debug_read_pagetable(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct iommu *obj = file->private_data;
+ char *p, *buf;
+ size_t bytes;
+
+ buf = (char *)__get_free_page(GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ p = buf;
+
+ p += sprintf(p, "L: %8s %8s\n", "da:", "pa:");
+ p += sprintf(p, "-----------------------------------------\n");
+
+ mutex_lock(&iommu_debug_lock);
+
+ bytes = PAGE_SIZE - (p - buf);
+ p += dump_ioptable(obj, p, bytes);
+
+ bytes = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+
+ mutex_unlock(&iommu_debug_lock);
+ free_page((unsigned long)buf);
+
+ return bytes;
+}
+
+static ssize_t debug_read_mmap(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct iommu *obj = file->private_data;
+ char *p, *buf;
+ struct iovm_struct *tmp;
+ int uninitialized_var(i);
+ ssize_t bytes;
+
+ buf = (char *)__get_free_page(GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ p = buf;
+
+ p += sprintf(p, "%-3s %-8s %-8s %6s %8s\n",
+ "No", "start", "end", "size", "flags");
+ p += sprintf(p, "-------------------------------------------------\n");
+
+ mutex_lock(&iommu_debug_lock);
+
+ list_for_each_entry(tmp, &obj->mmap, list) {
+ size_t len;
+ const char *str = "%3d %08x-%08x %6x %8x\n";
+ const int maxcol = 39;
+
+ len = tmp->da_end - tmp->da_start;
+ p += snprintf(p, maxcol, str,
+ i, tmp->da_start, tmp->da_end, len, tmp->flags);
+
+ if (PAGE_SIZE - (p - buf) < maxcol)
+ break;
+ i++;
+ }
+
+ bytes = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+
+ mutex_unlock(&iommu_debug_lock);
+ free_page((unsigned long)buf);
+
+ return bytes;
+}
+
+static ssize_t debug_read_mem(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct iommu *obj = file->private_data;
+ char *p, *buf;
+ struct iovm_struct *area;
+ ssize_t bytes;
+
+ count = min_t(ssize_t, count, PAGE_SIZE);
+
+ buf = (char *)__get_free_page(GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ p = buf;
+
+ mutex_lock(&iommu_debug_lock);
+
+ area = find_iovm_area(obj, (u32)ppos);
+ if (IS_ERR(area)) {
+ bytes = -EINVAL;
+ goto err_out;
+ }
+ memcpy(p, area->va, count);
+ p += count;
+
+ bytes = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
+err_out:
+ mutex_unlock(&iommu_debug_lock);
+ free_page((unsigned long)buf);
+
+ return bytes;
+}
+
+static ssize_t debug_write_mem(struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct iommu *obj = file->private_data;
+ struct iovm_struct *area;
+ char *p, *buf;
+
+ count = min_t(size_t, count, PAGE_SIZE);
+
+ buf = (char *)__get_free_page(GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ p = buf;
+
+ mutex_lock(&iommu_debug_lock);
+
+ if (copy_from_user(p, userbuf, count)) {
+ count = -EFAULT;
+ goto err_out;
+ }
+
+ area = find_iovm_area(obj, (u32)ppos);
+ if (IS_ERR(area)) {
+ count = -EINVAL;
+ goto err_out;
+ }
+ memcpy(area->va, p, count);
+err_out:
+ mutex_unlock(&iommu_debug_lock);
+ free_page((unsigned long)buf);
+
+ return count;
+}
+
+static int debug_open_generic(struct inode *inode, struct file *file)
+{
+ file->private_data = inode->i_private;
+ return 0;
+}
+
+#define DEBUG_FOPS(name) \
+ static const struct file_operations debug_##name##_fops = { \
+ .open = debug_open_generic, \
+ .read = debug_read_##name, \
+ .write = debug_write_##name, \
+ };
+
+#define DEBUG_FOPS_RO(name) \
+ static const struct file_operations debug_##name##_fops = { \
+ .open = debug_open_generic, \
+ .read = debug_read_##name, \
+ };
+
+DEBUG_FOPS_RO(ver);
+DEBUG_FOPS_RO(regs);
+DEBUG_FOPS_RO(tlb);
+DEBUG_FOPS(pagetable);
+DEBUG_FOPS_RO(mmap);
+DEBUG_FOPS(mem);
+
+#define __DEBUG_ADD_FILE(attr, mode) \
+ { \
+ struct dentry *dent; \
+ dent = debugfs_create_file(#attr, mode, parent, \
+ obj, &debug_##attr##_fops); \
+ if (!dent) \
+ return -ENOMEM; \
+ }
+
+#define DEBUG_ADD_FILE(name) __DEBUG_ADD_FILE(name, 600)
+#define DEBUG_ADD_FILE_RO(name) __DEBUG_ADD_FILE(name, 400)
+
+static int iommu_debug_register(struct device *dev, void *data)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct iommu *obj = platform_get_drvdata(pdev);
+ struct dentry *d, *parent;
+
+ if (!obj || !obj->dev)
+ return -EINVAL;
+
+ d = debugfs_create_dir(obj->name, iommu_debug_root);
+ if (!d)
+ return -ENOMEM;
+ parent = d;
+
+ d = debugfs_create_u8("nr_tlb_entries", 400, parent,
+ (u8 *)&obj->nr_tlb_entries);
+ if (!d)
+ return -ENOMEM;
+
+ DEBUG_ADD_FILE_RO(ver);
+ DEBUG_ADD_FILE_RO(regs);
+ DEBUG_ADD_FILE_RO(tlb);
+ DEBUG_ADD_FILE(pagetable);
+ DEBUG_ADD_FILE_RO(mmap);
+ DEBUG_ADD_FILE(mem);
+
+ return 0;
+}
+
+static int __init iommu_debug_init(void)
+{
+ struct dentry *d;
+ int err;
+
+ d = debugfs_create_dir("iommu", NULL);
+ if (!d)
+ return -ENOMEM;
+ iommu_debug_root = d;
+
+ err = foreach_iommu_device(d, iommu_debug_register);
+ if (err)
+ goto err_out;
+ return 0;
+
+err_out:
+ debugfs_remove_recursive(iommu_debug_root);
+ return err;
+}
+module_init(iommu_debug_init)
+
+static void __exit iommu_debugfs_exit(void)
+{
+ debugfs_remove_recursive(iommu_debug_root);
+}
+module_exit(iommu_debugfs_exit)
+
+MODULE_DESCRIPTION("omap iommu: debugfs interface");
+MODULE_AUTHOR("Hiroshi DOYU <Hiroshi.DOYU@nokia.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index 4a0301399013..4b6012707307 100644
--- a/arch/arm/plat-omap/iommu.c
+++ b/arch/arm/plat-omap/iommu.c
@@ -351,16 +351,14 @@ EXPORT_SYMBOL_GPL(flush_iotlb_all);
#if defined(CONFIG_OMAP_IOMMU_DEBUG_MODULE)
-ssize_t iommu_dump_ctx(struct iommu *obj, char *buf)
+ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t bytes)
{
- ssize_t bytes;
-
if (!obj || !buf)
return -EINVAL;
clk_enable(obj->clk);
- bytes = arch_iommu->dump_ctx(obj, buf);
+ bytes = arch_iommu->dump_ctx(obj, buf, bytes);
clk_disable(obj->clk);
@@ -368,7 +366,7 @@ ssize_t iommu_dump_ctx(struct iommu *obj, char *buf)
}
EXPORT_SYMBOL_GPL(iommu_dump_ctx);
-static int __dump_tlb_entries(struct iommu *obj, struct cr_regs *crs)
+static int __dump_tlb_entries(struct iommu *obj, struct cr_regs *crs, int num)
{
int i;
struct iotlb_lock saved, l;
@@ -379,7 +377,7 @@ static int __dump_tlb_entries(struct iommu *obj, struct cr_regs *crs)
iotlb_lock_get(obj, &saved);
memcpy(&l, &saved, sizeof(saved));
- for (i = 0; i < obj->nr_tlb_entries; i++) {
+ for (i = 0; i < num; i++) {
struct cr_regs tmp;
iotlb_lock_get(obj, &l);
@@ -402,18 +400,21 @@ static int __dump_tlb_entries(struct iommu *obj, struct cr_regs *crs)
* @obj: target iommu
* @buf: output buffer
**/
-size_t dump_tlb_entries(struct iommu *obj, char *buf)
+size_t dump_tlb_entries(struct iommu *obj, char *buf, ssize_t bytes)
{
- int i, n;
+ int i, num;
struct cr_regs *cr;
char *p = buf;
- cr = kcalloc(obj->nr_tlb_entries, sizeof(*cr), GFP_KERNEL);
+ num = bytes / sizeof(*cr);
+ num = min(obj->nr_tlb_entries, num);
+
+ cr = kcalloc(num, sizeof(*cr), GFP_KERNEL);
if (!cr)
return 0;
- n = __dump_tlb_entries(obj, cr);
- for (i = 0; i < n; i++)
+ num = __dump_tlb_entries(obj, cr, num);
+ for (i = 0; i < num; i++)
p += iotlb_dump_cr(obj, cr + i, p);
kfree(cr);
--
GitLab
From c426df87d8197cde077d03c808f52e3a17045b09 Mon Sep 17 00:00:00 2001
From: Vikram Pandita <vikram.pandita@ti.com>
Date: Fri, 28 Aug 2009 11:24:08 -0700
Subject: [PATCH 385/742] OMAP2/3: Pass irqflags to 8250 driver
Pass irqflags to 8250 driver with platform_data. At least Zoom2 has
IRQF_TRIGGER_RISING requirement for the 8250 GPIO irq.
This patch is dependent on 8250 driver changes getting accepted upstream:
http://git.kernel.org/?p=linux/kernel/git/sfr/linux-next.git;a=commit;h=7053133124d5cdf207c1168c7a0c582a18e12ea7
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/board-zoom-debugboard.c | 2 ++
arch/arm/mach-omap2/serial.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c
index bac5c4321ff7..f546063775b3 100644
--- a/arch/arm/mach-omap2/board-zoom-debugboard.c
+++ b/arch/arm/mach-omap2/board-zoom-debugboard.c
@@ -12,6 +12,7 @@
#include <linux/gpio.h>
#include <linux/serial_8250.h>
#include <linux/smsc911x.h>
+#include <linux/interrupt.h>
#include <mach/gpmc.h>
@@ -84,6 +85,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
.mapbase = 0x10000000,
.irq = OMAP_GPIO_IRQ(102),
.flags = UPF_BOOT_AUTOCONF|UPF_IOREMAP|UPF_SHARE_IRQ,
+ .irqflags = IRQF_SHARED | IRQF_TRIGGER_RISING,
.iotype = UPIO_MEM,
.regshift = 1,
.uartclk = QUART_CLK,
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 409b03309af4..dd3c735b5588 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -460,7 +460,7 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
uart->padconf = 0;
}
- p->flags |= UPF_SHARE_IRQ;
+ p->irqflags |= IRQF_SHARED;
ret = request_irq(p->irq, omap_uart_interrupt, IRQF_SHARED,
"serial idle", (void *)uart);
WARN_ON(ret);
--
GitLab
From 8870d946e1ff459453296733f9f389a3a5bc2983 Mon Sep 17 00:00:00 2001
From: Sergio Aguirre <saaguirre@ti.com>
Date: Fri, 28 Aug 2009 11:24:09 -0700
Subject: [PATCH 386/742] OMAP3: 3430SDP: Fix defconfig
This patch makes the SDP boot again with the defconfig.
Changes done:
- Removes other selected boards.
- Sets the Low Level debug output for UART1.
- Disables some paripherals from other boards.
Tested on a SDP3430-VE5.1.0 (OMAP3430 ES3.1)
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/configs/omap_3430sdp_defconfig | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/arm/configs/omap_3430sdp_defconfig b/arch/arm/configs/omap_3430sdp_defconfig
index 8fb918d9ba65..9a510eab75a6 100644
--- a/arch/arm/configs/omap_3430sdp_defconfig
+++ b/arch/arm/configs/omap_3430sdp_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.29-rc8
-# Fri Mar 13 14:17:01 2009
+# Linux kernel version: 2.6.30-omap1
+# Tue Jun 23 10:36:45 2009
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -197,9 +197,9 @@ CONFIG_OMAP_MCBSP=y
CONFIG_OMAP_32K_TIMER=y
CONFIG_OMAP_32K_TIMER_HZ=128
CONFIG_OMAP_DM_TIMER=y
-# CONFIG_OMAP_LL_DEBUG_UART1 is not set
+CONFIG_OMAP_LL_DEBUG_UART1=y
# CONFIG_OMAP_LL_DEBUG_UART2 is not set
-CONFIG_OMAP_LL_DEBUG_UART3=y
+# CONFIG_OMAP_LL_DEBUG_UART3 is not set
CONFIG_OMAP_SERIAL_WAKE=y
CONFIG_ARCH_OMAP34XX=y
CONFIG_ARCH_OMAP3430=y
@@ -207,10 +207,10 @@ CONFIG_ARCH_OMAP3430=y
#
# OMAP Board Type
#
-CONFIG_MACH_OMAP3_BEAGLE=y
-CONFIG_MACH_OMAP_LDP=y
-CONFIG_MACH_OVERO=y
-CONFIG_MACH_OMAP3_PANDORA=y
+# CONFIG_MACH_OMAP3_BEAGLE is not set
+# CONFIG_MACH_OMAP_LDP is not set
+# CONFIG_MACH_OVERO is not set
+# CONFIG_MACH_OMAP3_PANDORA is not set
CONFIG_MACH_OMAP_3430SDP=y
#
@@ -950,7 +950,7 @@ CONFIG_SPI_OMAP24XX=y
# CONFIG_SPI_TLE62X0 is not set
CONFIG_ARCH_REQUIRE_GPIOLIB=y
CONFIG_GPIOLIB=y
-CONFIG_DEBUG_GPIO=y
+# CONFIG_DEBUG_GPIO is not set
CONFIG_GPIO_SYSFS=y
#
@@ -1370,7 +1370,7 @@ CONFIG_SND_OMAP_SOC=y
CONFIG_SND_OMAP_SOC_MCBSP=y
# CONFIG_SND_OMAP_SOC_OVERO is not set
CONFIG_SND_OMAP_SOC_SDP3430=y
-CONFIG_SND_OMAP_SOC_OMAP3_PANDORA=y
+# CONFIG_SND_OMAP_SOC_OMAP3_PANDORA is not set
CONFIG_SND_SOC_I2C_AND_SPI=y
# CONFIG_SND_SOC_ALL_CODECS is not set
CONFIG_SND_SOC_TWL4030=y
--
GitLab
From ac2a048c3cc7c76d848093298ffa452558a7b2e8 Mon Sep 17 00:00:00 2001
From: Timo Kokkonen <timo.t.kokkonen@nokia.com>
Date: Fri, 28 Aug 2009 11:24:10 -0700
Subject: [PATCH 387/742] OMAP3: rx51_defconfig: add twl4030 to rx51 default
configuration
twl4030 watchdog will be compiled as a module by default.
Signed-off-by: Atal Shargorodsky <ext-atal.shargorodsky@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/configs/rx51_defconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/configs/rx51_defconfig b/arch/arm/configs/rx51_defconfig
index f238df66efd4..e7e31332c62a 100644
--- a/arch/arm/configs/rx51_defconfig
+++ b/arch/arm/configs/rx51_defconfig
@@ -1006,6 +1006,7 @@ CONFIG_WATCHDOG=y
#
# CONFIG_SOFT_WATCHDOG is not set
CONFIG_OMAP_WATCHDOG=m
+CONFIG_TWL4030_WATCHDOG=m
#
# USB-based Watchdog Cards
--
GitLab
From 57b9daa0e18167e8ba449bc236c3f4a755dd1833 Mon Sep 17 00:00:00 2001
From: Vikram Pandita <vikram.pandita@ti.com>
Date: Fri, 28 Aug 2009 11:24:11 -0700
Subject: [PATCH 388/742] OMAP3: MMC: Add mux for pins
For OMAP3 add MMC1 MMC2 pin mux MMC3 mux is not added as there are
multiple configurations possible, so the muxing is left to be done
in board file.
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Chikkature Rajashekar <madhu.cr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/devices.c | 41 ++++++++++++++++++++++
arch/arm/mach-omap2/mux.c | 50 +++++++++++++++++++++++++++
arch/arm/plat-omap/include/mach/mux.h | 28 +++++++++++++++
3 files changed, 119 insertions(+)
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 894cc355818a..a2e915639b72 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -513,6 +513,47 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
}
}
+
+ if (cpu_is_omap3430()) {
+ if (controller_nr == 0) {
+ omap_cfg_reg(N28_3430_MMC1_CLK);
+ omap_cfg_reg(M27_3430_MMC1_CMD);
+ omap_cfg_reg(N27_3430_MMC1_DAT0);
+ if (mmc_controller->slots[0].wires == 4 ||
+ mmc_controller->slots[0].wires == 8) {
+ omap_cfg_reg(N26_3430_MMC1_DAT1);
+ omap_cfg_reg(N25_3430_MMC1_DAT2);
+ omap_cfg_reg(P28_3430_MMC1_DAT3);
+ }
+ if (mmc_controller->slots[0].wires == 8) {
+ omap_cfg_reg(P27_3430_MMC1_DAT4);
+ omap_cfg_reg(P26_3430_MMC1_DAT5);
+ omap_cfg_reg(R27_3430_MMC1_DAT6);
+ omap_cfg_reg(R25_3430_MMC1_DAT7);
+ }
+ }
+ if (controller_nr == 1) {
+ /* MMC2 */
+ omap_cfg_reg(AE2_3430_MMC2_CLK);
+ omap_cfg_reg(AG5_3430_MMC2_CMD);
+ omap_cfg_reg(AH5_3430_MMC2_DAT0);
+
+ /*
+ * For 8 wire configurations, Lines DAT4, 5, 6 and 7 need to be muxed
+ * in the board-*.c files
+ */
+ if (mmc_controller->slots[0].wires == 4 ||
+ mmc_controller->slots[0].wires == 8) {
+ omap_cfg_reg(AH4_3430_MMC2_DAT1);
+ omap_cfg_reg(AG4_3430_MMC2_DAT2);
+ omap_cfg_reg(AF4_3430_MMC2_DAT3);
+ }
+ }
+
+ /*
+ * For MMC3 the pins need to be muxed in the board-*.c files
+ */
+ }
}
void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 43d6b92b65f2..f63f3a237825 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -492,6 +492,56 @@ MUX_CFG_34XX("H16_34XX_SDRC_CKE0", 0x262,
OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_OUTPUT)
MUX_CFG_34XX("H17_34XX_SDRC_CKE1", 0x264,
OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_OUTPUT)
+
+/* MMC1 */
+MUX_CFG_34XX("N28_3430_MMC1_CLK", 0x144,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("M27_3430_MMC1_CMD", 0x146,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("N27_3430_MMC1_DAT0", 0x148,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("N26_3430_MMC1_DAT1", 0x14a,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("N25_3430_MMC1_DAT2", 0x14c,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("P28_3430_MMC1_DAT3", 0x14e,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("P27_3430_MMC1_DAT4", 0x150,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("P26_3430_MMC1_DAT5", 0x152,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("R27_3430_MMC1_DAT6", 0x154,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("R25_3430_MMC1_DAT7", 0x156,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+
+/* MMC2 */
+MUX_CFG_34XX("AE2_3430_MMC2_CLK", 0x158,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AG5_3430_MMC2_CMD", 0x15A,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AH5_3430_MMC2_DAT0", 0x15c,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AH4_3430_MMC2_DAT1", 0x15e,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AG4_3430_MMC2_DAT2", 0x160,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AF4_3430_MMC2_DAT3", 0x162,
+ OMAP34XX_MUX_MODE0 | OMAP34XX_PIN_INPUT_PULLUP)
+
+/* MMC3 */
+MUX_CFG_34XX("AF10_3430_MMC3_CLK", 0x5d8,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AC3_3430_MMC3_CMD", 0x1d0,
+ OMAP34XX_MUX_MODE3 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AE11_3430_MMC3_DAT0", 0x5e4,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AH9_3430_MMC3_DAT1", 0x5e6,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AF13_3430_MMC3_DAT2", 0x5e8,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLUP)
+MUX_CFG_34XX("AF13_3430_MMC3_DAT3", 0x5e2,
+ OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLUP)
};
#define OMAP34XX_PINS_SZ ARRAY_SIZE(omap34xx_pins)
diff --git a/arch/arm/plat-omap/include/mach/mux.h b/arch/arm/plat-omap/include/mach/mux.h
index 80281c458baf..2c57bad65b02 100644
--- a/arch/arm/plat-omap/include/mach/mux.h
+++ b/arch/arm/plat-omap/include/mach/mux.h
@@ -857,6 +857,34 @@ enum omap34xx_index {
/* OMAP3 SDRC CKE signals to SDR/DDR ram chips */
H16_34XX_SDRC_CKE0,
H17_34XX_SDRC_CKE1,
+
+ /* MMC1 */
+ N28_3430_MMC1_CLK,
+ M27_3430_MMC1_CMD,
+ N27_3430_MMC1_DAT0,
+ N26_3430_MMC1_DAT1,
+ N25_3430_MMC1_DAT2,
+ P28_3430_MMC1_DAT3,
+ P27_3430_MMC1_DAT4,
+ P26_3430_MMC1_DAT5,
+ R27_3430_MMC1_DAT6,
+ R25_3430_MMC1_DAT7,
+
+ /* MMC2 */
+ AE2_3430_MMC2_CLK,
+ AG5_3430_MMC2_CMD,
+ AH5_3430_MMC2_DAT0,
+ AH4_3430_MMC2_DAT1,
+ AG4_3430_MMC2_DAT2,
+ AF4_3430_MMC2_DAT3,
+
+ /* MMC3 */
+ AF10_3430_MMC3_CLK,
+ AC3_3430_MMC3_CMD,
+ AE11_3430_MMC3_DAT0,
+ AH9_3430_MMC3_DAT1,
+ AF13_3430_MMC3_DAT2,
+ AF13_3430_MMC3_DAT3,
};
struct omap_mux_cfg {
--
GitLab
From 70ac51ab2cd9ddc7ded24adbe63fc6fd3557e44c Mon Sep 17 00:00:00 2001
From: Vikram Pandita <vikram.pandita@ti.com>
Date: Fri, 28 Aug 2009 11:24:13 -0700
Subject: [PATCH 389/742] OMAP3: Zoom2: Add TWL4030 support
Add TWL4030 CORE and TWL4030 drivers to Zoom2 board file
TWL drivers enabled are:
bci
madc
usb
keypad
mmc
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/board-zoom2.c | 203 ++++++++++++++++++++++++++++--
1 file changed, 192 insertions(+), 11 deletions(-)
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
index 3a42eca1ad80..dabba2720a9b 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -12,17 +12,84 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
+#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/i2c/twl4030.h>
+#include <linux/regulator/machine.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/common.h>
#include <mach/usb.h>
+#include <mach/keypad.h>
#include "mmc-twl4030.h"
+/* Zoom2 has Qwerty keyboard*/
+static int zoom2_twl4030_keymap[] = {
+ KEY(0, 0, KEY_E),
+ KEY(1, 0, KEY_R),
+ KEY(2, 0, KEY_T),
+ KEY(3, 0, KEY_HOME),
+ KEY(6, 0, KEY_I),
+ KEY(7, 0, KEY_LEFTSHIFT),
+ KEY(0, 1, KEY_D),
+ KEY(1, 1, KEY_F),
+ KEY(2, 1, KEY_G),
+ KEY(3, 1, KEY_SEND),
+ KEY(6, 1, KEY_K),
+ KEY(7, 1, KEY_ENTER),
+ KEY(0, 2, KEY_X),
+ KEY(1, 2, KEY_C),
+ KEY(2, 2, KEY_V),
+ KEY(3, 2, KEY_END),
+ KEY(6, 2, KEY_DOT),
+ KEY(7, 2, KEY_CAPSLOCK),
+ KEY(0, 3, KEY_Z),
+ KEY(1, 3, KEY_KPPLUS),
+ KEY(2, 3, KEY_B),
+ KEY(3, 3, KEY_F1),
+ KEY(6, 3, KEY_O),
+ KEY(7, 3, KEY_SPACE),
+ KEY(0, 4, KEY_W),
+ KEY(1, 4, KEY_Y),
+ KEY(2, 4, KEY_U),
+ KEY(3, 4, KEY_F2),
+ KEY(4, 4, KEY_VOLUMEUP),
+ KEY(6, 4, KEY_L),
+ KEY(7, 4, KEY_LEFT),
+ KEY(0, 5, KEY_S),
+ KEY(1, 5, KEY_H),
+ KEY(2, 5, KEY_J),
+ KEY(3, 5, KEY_F3),
+ KEY(5, 5, KEY_VOLUMEDOWN),
+ KEY(6, 5, KEY_M),
+ KEY(4, 5, KEY_ENTER),
+ KEY(7, 5, KEY_RIGHT),
+ KEY(0, 6, KEY_Q),
+ KEY(1, 6, KEY_A),
+ KEY(2, 6, KEY_N),
+ KEY(3, 6, KEY_BACKSPACE),
+ KEY(6, 6, KEY_P),
+ KEY(7, 6, KEY_UP),
+ KEY(6, 7, KEY_SELECT),
+ KEY(7, 7, KEY_DOWN),
+ KEY(0, 7, KEY_PROG1), /*MACRO 1 <User defined> */
+ KEY(1, 7, KEY_PROG2), /*MACRO 2 <User defined> */
+ KEY(2, 7, KEY_PROG3), /*MACRO 3 <User defined> */
+ KEY(3, 7, KEY_PROG4), /*MACRO 4 <User defined> */
+ 0
+};
+
+static struct twl4030_keypad_data zoom2_kp_twl4030_data = {
+ .rows = 8,
+ .cols = 8,
+ .keymap = zoom2_twl4030_keymap,
+ .keymapsize = ARRAY_SIZE(zoom2_twl4030_keymap),
+ .rep = 1,
+};
+
static void __init omap_zoom2_init_irq(void)
{
omap2_init_common_hw(NULL, NULL);
@@ -33,10 +100,127 @@ static void __init omap_zoom2_init_irq(void)
static struct omap_board_config_kernel zoom2_config[] __initdata = {
};
+static struct regulator_consumer_supply zoom2_vmmc1_supply = {
+ .supply = "vmmc",
+};
+
+static struct regulator_consumer_supply zoom2_vsim_supply = {
+ .supply = "vmmc_aux",
+};
+
+static struct regulator_consumer_supply zoom2_vmmc2_supply = {
+ .supply = "vmmc",
+};
+
+/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
+static struct regulator_init_data zoom2_vmmc1 = {
+ .constraints = {
+ .min_uV = 1850000,
+ .max_uV = 3150000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
+ | REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &zoom2_vmmc1_supply,
+};
+
+/* VMMC2 for MMC2 card */
+static struct regulator_init_data zoom2_vmmc2 = {
+ .constraints = {
+ .min_uV = 1850000,
+ .max_uV = 1850000,
+ .apply_uV = true,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &zoom2_vmmc2_supply,
+};
+
+/* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
+static struct regulator_init_data zoom2_vsim = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 3000000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL
+ | REGULATOR_MODE_STANDBY,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
+ | REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &zoom2_vsim_supply,
+};
+
+static struct twl4030_hsmmc_info mmc[] __initdata = {
+ {
+ .mmc = 1,
+ .wires = 4,
+ .gpio_wp = -EINVAL,
+ },
+ {
+ .mmc = 2,
+ .wires = 4,
+ .gpio_wp = -EINVAL,
+ },
+ {} /* Terminator */
+};
+
+static int zoom2_twl_gpio_setup(struct device *dev,
+ unsigned gpio, unsigned ngpio)
+{
+ /* gpio + 0 is "mmc0_cd" (input/IRQ),
+ * gpio + 1 is "mmc1_cd" (input/IRQ)
+ */
+ mmc[0].gpio_cd = gpio + 0;
+ mmc[1].gpio_cd = gpio + 1;
+ twl4030_mmc_init(mmc);
+
+ /* link regulators to MMC adapters ... we "know" the
+ * regulators will be set up only *after* we return.
+ */
+ zoom2_vmmc1_supply.dev = mmc[0].dev;
+ zoom2_vsim_supply.dev = mmc[0].dev;
+ zoom2_vmmc2_supply.dev = mmc[1].dev;
+
+ return 0;
+}
+
+
+static int zoom2_batt_table[] = {
+/* 0 C*/
+30800, 29500, 28300, 27100,
+26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
+17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
+11600, 11200, 10800, 10400, 10000, 9630, 9280, 8950, 8620, 8310,
+8020, 7730, 7460, 7200, 6950, 6710, 6470, 6250, 6040, 5830,
+5640, 5450, 5260, 5090, 4920, 4760, 4600, 4450, 4310, 4170,
+4040, 3910, 3790, 3670, 3550
+};
+
+static struct twl4030_bci_platform_data zoom2_bci_data = {
+ .battery_tmp_tbl = zoom2_batt_table,
+ .tblsize = ARRAY_SIZE(zoom2_batt_table),
+};
+
+static struct twl4030_usb_data zoom2_usb_data = {
+ .usb_mode = T2_USB_MODE_ULPI,
+};
+
static struct twl4030_gpio_platform_data zoom2_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
.irq_end = TWL4030_GPIO_IRQ_END,
+ .setup = zoom2_twl_gpio_setup,
+};
+
+static struct twl4030_madc_platform_data zoom2_madc_data = {
+ .irq_line = 1,
};
static struct twl4030_platform_data zoom2_twldata = {
@@ -44,7 +228,15 @@ static struct twl4030_platform_data zoom2_twldata = {
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
+ .bci = &zoom2_bci_data,
+ .madc = &zoom2_madc_data,
+ .usb = &zoom2_usb_data,
.gpio = &zoom2_gpio_data,
+ .keypad = &zoom2_kp_twl4030_data,
+ .vmmc1 = &zoom2_vmmc1,
+ .vmmc2 = &zoom2_vmmc2,
+ .vsim = &zoom2_vsim,
+
};
static struct i2c_board_info __initdata zoom2_i2c_boardinfo[] = {
@@ -65,16 +257,6 @@ static int __init omap_i2c_init(void)
return 0;
}
-static struct twl4030_hsmmc_info mmc[] __initdata = {
- {
- .mmc = 1,
- .wires = 4,
- .gpio_cd = -EINVAL,
- .gpio_wp = -EINVAL,
- },
- {} /* Terminator */
-};
-
extern int __init omap_zoom2_debugboard_init(void);
static void __init omap_zoom2_init(void)
@@ -84,7 +266,6 @@ static void __init omap_zoom2_init(void)
omap_board_config_size = ARRAY_SIZE(zoom2_config);
omap_serial_init();
omap_zoom2_debugboard_init();
- twl4030_mmc_init(mmc);
usb_musb_init();
}
--
GitLab
From 1eab46a2ea36deda9621ae507319812bb1f82f92 Mon Sep 17 00:00:00 2001
From: Vikram Pandita <vikram.pandita@ti.com>
Date: Fri, 28 Aug 2009 11:24:14 -0700
Subject: [PATCH 390/742] OMAP3: Zoom2: Update board defconfig
Update defconfig for Zoom2 to include
TWL4030 core
TWL4030 drivers (bci, gpio, keypad, usb, mmc)
Also sync the defconfig after issuing a menuconfig
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/configs/omap_zoom2_defconfig | 484 ++++++++++++++++++++++----
1 file changed, 408 insertions(+), 76 deletions(-)
diff --git a/arch/arm/configs/omap_zoom2_defconfig b/arch/arm/configs/omap_zoom2_defconfig
index 213fe9c5eaae..f1739fae7ed4 100644
--- a/arch/arm/configs/omap_zoom2_defconfig
+++ b/arch/arm/configs/omap_zoom2_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.27-rc5
-# Fri Oct 10 11:49:41 2008
+# Linux kernel version: 2.6.30-omap1
+# Fri Jun 12 17:25:46 2009
#
CONFIG_ARM=y
CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -22,8 +22,6 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
-CONFIG_ZONE_DMA=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_VECTORS_BASE=0xffff0000
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -39,44 +37,61 @@ CONFIG_LOCALVERSION_AUTO=y
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
CONFIG_BSD_PROCESS_ACCT=y
# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
# CONFIG_IKCONFIG is not set
CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
CONFIG_GROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
# CONFIG_RT_GROUP_SCHED is not set
CONFIG_USER_SCHED=y
# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
# CONFIG_RELAY is not set
# CONFIG_NAMESPACES is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
CONFIG_EMBEDDED=y
CONFIG_UID16=y
# CONFIG_SYSCTL_SYSCALL is not set
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
CONFIG_KALLSYMS_EXTRA_PASS=y
+# CONFIG_STRIP_ASM_SYMS is not set
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
-CONFIG_COMPAT_BRK=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
-CONFIG_ANON_INODES=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
+CONFIG_AIO=y
CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
CONFIG_SLAB=y
# CONFIG_SLUB is not set
# CONFIG_SLOB is not set
@@ -84,19 +99,13 @@ CONFIG_SLAB=y
# CONFIG_MARKERS is not set
CONFIG_HAVE_OPROFILE=y
# CONFIG_KPROBES is not set
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_SLOW_WORK is not set
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
-# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
# CONFIG_MODULE_FORCE_LOAD is not set
@@ -104,11 +113,8 @@ CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
-CONFIG_KMOD=y
CONFIG_BLOCK=y
# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_BLK_DEV_INTEGRITY is not set
@@ -124,7 +130,7 @@ CONFIG_DEFAULT_AS=y
# CONFIG_DEFAULT_CFQ is not set
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="anticipatory"
-CONFIG_CLASSIC_RCU=y
+CONFIG_FREEZER=y
#
# System Type
@@ -134,10 +140,10 @@ CONFIG_CLASSIC_RCU=y
# CONFIG_ARCH_REALVIEW is not set
# CONFIG_ARCH_VERSATILE is not set
# CONFIG_ARCH_AT91 is not set
-# CONFIG_ARCH_CLPS7500 is not set
# CONFIG_ARCH_CLPS711X is not set
# CONFIG_ARCH_EBSA110 is not set
# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_GEMINI is not set
# CONFIG_ARCH_FOOTBRIDGE is not set
# CONFIG_ARCH_NETX is not set
# CONFIG_ARCH_H720X is not set
@@ -158,14 +164,17 @@ CONFIG_CLASSIC_RCU=y
# CONFIG_ARCH_ORION5X is not set
# CONFIG_ARCH_PNX4008 is not set
# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MMP is not set
# CONFIG_ARCH_RPC is not set
# CONFIG_ARCH_SA1100 is not set
# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
# CONFIG_ARCH_SHARK is not set
# CONFIG_ARCH_LH7A40X is not set
# CONFIG_ARCH_DAVINCI is not set
CONFIG_ARCH_OMAP=y
-# CONFIG_ARCH_MSM7X00A is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_W90X900 is not set
#
# TI OMAP Implementations
@@ -174,6 +183,7 @@ CONFIG_ARCH_OMAP_OTG=y
# CONFIG_ARCH_OMAP1 is not set
# CONFIG_ARCH_OMAP2 is not set
CONFIG_ARCH_OMAP3=y
+# CONFIG_ARCH_OMAP4 is not set
#
# OMAP Feature Selections
@@ -185,6 +195,7 @@ CONFIG_OMAP_MUX=y
CONFIG_OMAP_MUX_DEBUG=y
CONFIG_OMAP_MUX_WARNINGS=y
CONFIG_OMAP_MCBSP=y
+# CONFIG_OMAP_MBOX_FWK is not set
# CONFIG_OMAP_MPU_TIMER is not set
CONFIG_OMAP_32K_TIMER=y
CONFIG_OMAP_32K_TIMER_HZ=128
@@ -192,25 +203,20 @@ CONFIG_OMAP_DM_TIMER=y
# CONFIG_OMAP_LL_DEBUG_UART1 is not set
# CONFIG_OMAP_LL_DEBUG_UART2 is not set
CONFIG_OMAP_LL_DEBUG_UART3=y
-CONFIG_OMAP_SERIAL_WAKE=y
CONFIG_ARCH_OMAP34XX=y
CONFIG_ARCH_OMAP3430=y
#
# OMAP Board Type
#
-# CONFIG_MACH_OMAP3_BEAGLE is not set
+# CONFIG_MACH_NOKIA_RX51 is not set
# CONFIG_MACH_OMAP_LDP is not set
-CONFIG_MACH_OMAP_ZOOM2=y
+# CONFIG_MACH_OMAP_3430SDP is not set
+# CONFIG_MACH_OMAP3EVM is not set
+# CONFIG_MACH_OMAP3_BEAGLE is not set
# CONFIG_MACH_OVERO is not set
-
-#
-# Boot options
-#
-
-#
-# Power management
-#
+# CONFIG_MACH_OMAP3_PANDORA is not set
+CONFIG_MACH_OMAP_ZOOM2=y
#
# Processor Type
@@ -239,6 +245,10 @@ CONFIG_ARM_THUMB=y
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_HAS_TLS_REG=y
# CONFIG_OUTER_CACHE is not set
+# CONFIG_ARM_ERRATA_430973 is not set
+# CONFIG_ARM_ERRATA_458693 is not set
+# CONFIG_ARM_ERRATA_460075 is not set
+CONFIG_COMMON_CLKDEV=y
#
# Bus support
@@ -254,26 +264,32 @@ CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
# CONFIG_PREEMPT is not set
CONFIG_HZ=128
CONFIG_AEABI=y
CONFIG_OABI_COMPAT=y
-CONFIG_ARCH_FLATMEM_HAS_HOLES=y
-# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+# CONFIG_ARCH_HAS_HOLES_MEMORYMODEL is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
# CONFIG_DISCONTIGMEM_MANUAL is not set
# CONFIG_SPARSEMEM_MANUAL is not set
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
-CONFIG_ZONE_DMA_FLAG=1
-CONFIG_BOUNCE=y
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
+CONFIG_UNEVICTABLE_LRU=y
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
# CONFIG_LEDS is not set
CONFIG_ALIGNMENT_TRAP=y
@@ -287,9 +303,10 @@ CONFIG_CMDLINE="root=/dev/nfs nfsroot=192.168.0.1:/home/user/buildroot ip=192.16
# CONFIG_KEXEC is not set
#
-# CPU Frequency scaling
+# CPU Power Management
#
# CONFIG_CPU_FREQ is not set
+# CONFIG_CPU_IDLE is not set
#
# Floating point emulation
@@ -309,13 +326,23 @@ CONFIG_VFPv3=y
# Userspace binary formats
#
CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_MISC=y
#
# Power management options
#
-# CONFIG_PM is not set
+CONFIG_PM=y
+CONFIG_PM_DEBUG=y
+CONFIG_PM_VERBOSE=y
+CONFIG_CAN_PM_TRACE=y
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+# CONFIG_PM_TEST_SUSPEND is not set
+CONFIG_SUSPEND_FREEZER=y
+# CONFIG_APM_EMULATION is not set
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_NET=y
@@ -378,7 +405,9 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_LAPB is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
#
# Network testing
@@ -389,8 +418,8 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set
@@ -416,14 +445,28 @@ CONFIG_BLK_DEV=y
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=16384
# CONFIG_BLK_DEV_XIP is not set
# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ICS932S401 is not set
+# CONFIG_OMAP_STI is not set
# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_93CX6 is not set
CONFIG_HAVE_IDE=y
# CONFIG_IDE is not set
@@ -461,14 +504,20 @@ CONFIG_SCSI_WAIT_SCAN=m
#
# CONFIG_SCSI_SPI_ATTRS is not set
# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_SCSI_SAS_LIBSAS is not set
# CONFIG_SCSI_SRP_ATTRS is not set
CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
# CONFIG_ATA is not set
# CONFIG_MD is not set
CONFIG_NETDEVICES=y
+CONFIG_COMPAT_NET_DEV_OPS=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_MACVLAN is not set
@@ -501,8 +550,10 @@ CONFIG_MII=y
# CONFIG_SMC91X is not set
# CONFIG_DM9000 is not set
# CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
# CONFIG_SMC911X is not set
CONFIG_SMSC911X=y
+# CONFIG_DNET is not set
# CONFIG_IBM_NEW_EMAC_ZMII is not set
# CONFIG_IBM_NEW_EMAC_RGMII is not set
# CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -519,7 +570,10 @@ CONFIG_NETDEV_10000=y
#
# CONFIG_WLAN_PRE80211 is not set
# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
#
# USB Network Adapters
@@ -561,17 +615,25 @@ CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_TABLET is not set
CONFIG_INPUT_TOUCHSCREEN=y
CONFIG_TOUCHSCREEN_ADS7846=y
+# CONFIG_TOUCHSCREEN_AD7877 is not set
+# CONFIG_TOUCHSCREEN_AD7879_I2C is not set
+# CONFIG_TOUCHSCREEN_AD7879_SPI is not set
+# CONFIG_TOUCHSCREEN_AD7879 is not set
# CONFIG_TOUCHSCREEN_FUJITSU is not set
# CONFIG_TOUCHSCREEN_GUNZE is not set
# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
# CONFIG_TOUCHSCREEN_MTOUCH is not set
# CONFIG_TOUCHSCREEN_INEXIO is not set
# CONFIG_TOUCHSCREEN_MK712 is not set
# CONFIG_TOUCHSCREEN_PENMOUNT is not set
# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
-# CONFIG_TOUCHSCREEN_UCB1400 is not set
+# CONFIG_TOUCHSCREEN_TSC2005 is not set
+# CONFIG_TOUCHSCREEN_TSC210X is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_TSC2007 is not set
# CONFIG_INPUT_MISC is not set
#
@@ -607,13 +669,15 @@ CONFIG_SERIAL_8250_RSA=y
#
# Non-8250 serial port support
#
+# CONFIG_SERIAL_MAX3100 is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
# CONFIG_LEGACY_PTYS is not set
# CONFIG_IPMI_HANDLER is not set
CONFIG_HW_RANDOM=y
-# CONFIG_NVRAM is not set
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
# CONFIG_R3964 is not set
# CONFIG_RAW_DRIVER is not set
# CONFIG_TCG_TPM is not set
@@ -639,6 +703,7 @@ CONFIG_I2C_OMAP=y
#
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
#
# Other I2C/SMBus bus drivers
@@ -650,14 +715,11 @@ CONFIG_I2C_OMAP=y
# Miscellaneous I2C Chip support
#
# CONFIG_DS1682 is not set
-# CONFIG_EEPROM_AT24 is not set
-# CONFIG_EEPROM_LEGACY is not set
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_PCF8575 is not set
# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_ISP1301_OMAP is not set
-# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_MADC is not set
+# CONFIG_TWL4030_POWEROFF is not set
# CONFIG_SENSORS_MAX6875 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_I2C_DEBUG_CORE is not set
@@ -672,12 +734,12 @@ CONFIG_SPI_MASTER=y
# SPI Master Controller Drivers
#
# CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
CONFIG_SPI_OMAP24XX=y
#
# SPI Protocol Masters
#
-# CONFIG_EEPROM_AT25 is not set
# CONFIG_SPI_SPIDEV is not set
# CONFIG_SPI_TLE62X0 is not set
CONFIG_ARCH_REQUIRE_GPIOLIB=y
@@ -685,12 +747,17 @@ CONFIG_GPIOLIB=y
# CONFIG_DEBUG_GPIO is not set
# CONFIG_GPIO_SYSFS is not set
+#
+# Memory mapped GPIO expanders:
+#
+
#
# I2C GPIO expanders:
#
# CONFIG_GPIO_MAX732X is not set
# CONFIG_GPIO_PCA953X is not set
# CONFIG_GPIO_PCF857X is not set
+CONFIG_GPIO_TWL4030=y
#
# PCI GPIO expanders:
@@ -702,26 +769,34 @@ CONFIG_GPIOLIB=y
# CONFIG_GPIO_MAX7301 is not set
# CONFIG_GPIO_MCP23S08 is not set
CONFIG_W1=y
+CONFIG_W1_CON=y
#
# 1-wire Bus Masters
#
+# CONFIG_W1_MASTER_DS2490 is not set
# CONFIG_W1_MASTER_DS2482 is not set
# CONFIG_W1_MASTER_DS1WM is not set
# CONFIG_W1_MASTER_GPIO is not set
+# CONFIG_HDQ_MASTER_OMAP is not set
#
# 1-wire Slaves
#
# CONFIG_W1_SLAVE_THERM is not set
# CONFIG_W1_SLAVE_SMEM is not set
+# CONFIG_W1_SLAVE_DS2431 is not set
# CONFIG_W1_SLAVE_DS2433 is not set
# CONFIG_W1_SLAVE_DS2760 is not set
+# CONFIG_W1_SLAVE_BQ27000 is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
# CONFIG_PDA_POWER is not set
# CONFIG_BATTERY_DS2760 is not set
+# CONFIG_BATTERY_BQ27x00 is not set
# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
@@ -729,11 +804,17 @@ CONFIG_WATCHDOG_NOWAYOUT=y
# Watchdog Device Drivers
#
# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_OMAP_WATCHDOG is not set
#
-# Sonics Silicon Backplane
+# USB-based Watchdog Cards
#
+# CONFIG_USBPCWATCHDOG is not set
CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
# CONFIG_SSB is not set
#
@@ -741,12 +822,19 @@ CONFIG_SSB_POSSIBLE=y
#
# CONFIG_MFD_CORE is not set
# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
# CONFIG_HTC_EGPIO is not set
# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+CONFIG_TWL4030_CORE=y
# CONFIG_MFD_TMIO is not set
# CONFIG_MFD_T7L66XB is not set
# CONFIG_MFD_TC6387XB is not set
# CONFIG_MFD_TC6393XB is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
#
# Multimedia devices
@@ -756,12 +844,14 @@ CONFIG_SSB_POSSIBLE=y
# Multimedia core support
#
# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
# CONFIG_VIDEO_MEDIA is not set
#
# Multimedia drivers
#
CONFIG_DAB=y
+# CONFIG_USB_DABUSB is not set
#
# Graphics support
@@ -782,10 +872,12 @@ CONFIG_VIDEO_OUTPUT_CONTROL=m
# CONFIG_VGA_CONSOLE is not set
CONFIG_DUMMY_CONSOLE=y
CONFIG_SOUND=y
+# CONFIG_SOUND_OSS_CORE is not set
CONFIG_SND=y
# CONFIG_SND_SEQUENCER is not set
# CONFIG_SND_MIXER_OSS is not set
# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SND_HRTIMER is not set
# CONFIG_SND_DYNAMIC_MINORS is not set
CONFIG_SND_SUPPORT_OLD_API=y
CONFIG_SND_VERBOSE_PROCFS=y
@@ -798,19 +890,197 @@ CONFIG_SND_DRIVERS=y
# CONFIG_SND_MPU401 is not set
CONFIG_SND_ARM=y
CONFIG_SND_SPI=y
+CONFIG_SND_USB=y
+# CONFIG_SND_USB_AUDIO is not set
+# CONFIG_SND_USB_CAIAQ is not set
# CONFIG_SND_SOC is not set
# CONFIG_SOUND_PRIME is not set
CONFIG_HID_SUPPORT=y
CONFIG_HID=y
# CONFIG_HID_DEBUG is not set
# CONFIG_HIDRAW is not set
-# CONFIG_USB_SUPPORT is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=y
+# CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+# CONFIG_HID_A4TECH is not set
+# CONFIG_HID_APPLE is not set
+# CONFIG_HID_BELKIN is not set
+# CONFIG_HID_CHERRY is not set
+# CONFIG_HID_CHICONY is not set
+# CONFIG_HID_CYPRESS is not set
+# CONFIG_DRAGONRISE_FF is not set
+# CONFIG_HID_EZKEY is not set
+# CONFIG_HID_KYE is not set
+# CONFIG_HID_GYRATION is not set
+# CONFIG_HID_KENSINGTON is not set
+# CONFIG_HID_LOGITECH is not set
+# CONFIG_HID_MICROSOFT is not set
+# CONFIG_HID_MONTEREY is not set
+# CONFIG_HID_NTRIG is not set
+# CONFIG_HID_PANTHERLORD is not set
+# CONFIG_HID_PETALYNX is not set
+# CONFIG_HID_SAMSUNG is not set
+# CONFIG_HID_SONY is not set
+# CONFIG_HID_SUNPLUS is not set
+# CONFIG_GREENASIA_FF is not set
+# CONFIG_HID_TOPSEED is not set
+# CONFIG_THRUSTMASTER_FF is not set
+# CONFIG_ZEROPLUS_FF is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
+CONFIG_USB=y
+CONFIG_USB_DEBUG=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+
+#
+# Miscellaneous USB options
+#
+# CONFIG_USB_DEVICEFS is not set
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+CONFIG_USB_SUSPEND=y
+CONFIG_USB_OTG=y
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_EHCI_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_OHCI_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_HWA_HCD is not set
+CONFIG_USB_MUSB_HDRC=y
+CONFIG_USB_MUSB_SOC=y
+
+#
+# OMAP 343x high speed USB support
+#
+# CONFIG_USB_MUSB_HOST is not set
+# CONFIG_USB_MUSB_PERIPHERAL is not set
+CONFIG_USB_MUSB_OTG=y
+CONFIG_USB_GADGET_MUSB_HDRC=y
+CONFIG_USB_MUSB_HDRC_HCD=y
+# CONFIG_MUSB_PIO_ONLY is not set
+CONFIG_USB_INVENTRA_DMA=y
+# CONFIG_USB_TI_CPPI_DMA is not set
+CONFIG_USB_MUSB_DEBUG=y
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+
+#
+# also be needed; see USB_STORAGE Help for more info
+#
+# CONFIG_USB_STORAGE is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DEBUG=y
+CONFIG_USB_GADGET_DEBUG_FILES=y
+CONFIG_USB_GADGET_VBUS_DRAW=2
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_IMX is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+CONFIG_USB_ZERO=y
+# CONFIG_USB_ZERO_HNPTEST is not set
+# CONFIG_USB_ETH is not set
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+
+#
+# OTG and related infrastructure
+#
+CONFIG_USB_OTG_UTILS=y
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_ISP1301_OMAP is not set
+CONFIG_TWL4030_USB=y
+# CONFIG_NOP_USB_XCEIV is not set
CONFIG_MMC=y
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_UNSAFE_RESUME is not set
#
-# MMC/SD Card Drivers
+# MMC/SD/SDIO Card Drivers
#
CONFIG_MMC_BLOCK=y
CONFIG_MMC_BLOCK_BOUNCE=y
@@ -818,11 +1088,13 @@ CONFIG_MMC_BLOCK_BOUNCE=y
# CONFIG_MMC_TEST is not set
#
-# MMC/SD Host Controller Drivers
+# MMC/SD/SDIO Host Controller Drivers
#
# CONFIG_MMC_SDHCI is not set
-# CONFIG_MMC_OMAP is not set
+CONFIG_MMC_OMAP_HS=y
# CONFIG_MMC_SPI is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_ACCESSIBILITY is not set
# CONFIG_NEW_LEDS is not set
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
@@ -852,43 +1124,55 @@ CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_DRV_PCF8563 is not set
# CONFIG_RTC_DRV_PCF8583 is not set
# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_TWL4030 is not set
# CONFIG_RTC_DRV_S35390A is not set
# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
#
# SPI RTC drivers
#
# CONFIG_RTC_DRV_M41T94 is not set
# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_DS1390 is not set
# CONFIG_RTC_DRV_MAX6902 is not set
# CONFIG_RTC_DRV_R9701 is not set
# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
#
# Platform RTC drivers
#
# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1286 is not set
# CONFIG_RTC_DRV_DS1511 is not set
# CONFIG_RTC_DRV_DS1553 is not set
# CONFIG_RTC_DRV_DS1742 is not set
# CONFIG_RTC_DRV_STK17TA8 is not set
# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
# CONFIG_RTC_DRV_V3020 is not set
#
# on-CPU RTC drivers
#
# CONFIG_DMADEVICES is not set
-
-#
-# Voltage and Current regulators
-#
-# CONFIG_REGULATOR is not set
+# CONFIG_AUXDISPLAY is not set
+CONFIG_REGULATOR=y
+# CONFIG_REGULATOR_DEBUG is not set
# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
# CONFIG_REGULATOR_BQ24022 is not set
+CONFIG_REGULATOR_TWL4030=y
# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
+
+#
+# CBUS support
+#
+# CONFIG_CBUS is not set
#
# File systems
@@ -897,18 +1181,24 @@ CONFIG_EXT2_FS=y
# CONFIG_EXT2_FS_XATTR is not set
# CONFIG_EXT2_FS_XIP is not set
CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
# CONFIG_EXT3_FS_XATTR is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
CONFIG_JBD=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
-# CONFIG_FS_POSIX_ACL is not set
+CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
CONFIG_DNOTIFY=y
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
CONFIG_QUOTA=y
+# CONFIG_QUOTA_NETLINK_INTERFACE is not set
CONFIG_PRINT_QUOTA_WARNING=y
+CONFIG_QUOTA_TREE=y
# CONFIG_QFMT_V1 is not set
CONFIG_QFMT_V2=y
CONFIG_QUOTACTL=y
@@ -916,6 +1206,11 @@ CONFIG_QUOTACTL=y
# CONFIG_AUTOFS4_FS is not set
# CONFIG_FUSE_FS is not set
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
#
# CD-ROM/DVD Filesystems
#
@@ -937,15 +1232,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
#
CONFIG_PROC_FS=y
CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_TMPFS_POSIX_ACL is not set
# CONFIG_HUGETLB_PAGE is not set
# CONFIG_CONFIGFS_FS is not set
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
@@ -954,6 +1247,7 @@ CONFIG_TMPFS=y
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_OMFS_FS is not set
@@ -962,6 +1256,7 @@ CONFIG_TMPFS=y
# CONFIG_ROMFS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
+# CONFIG_NILFS2_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
@@ -975,7 +1270,6 @@ CONFIG_NFS_ACL_SUPPORT=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
CONFIG_SUNRPC_GSS=y
-# CONFIG_SUNRPC_REGISTER_V4 is not set
CONFIG_RPCSEC_GSS_KRB5=y
# CONFIG_RPCSEC_GSS_SPKM3 is not set
# CONFIG_SMB_FS is not set
@@ -1045,6 +1339,7 @@ CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
#
# Kernel hacking
@@ -1062,6 +1357,9 @@ CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_SOFTLOCKUP=y
# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
CONFIG_SCHED_DEBUG=y
# CONFIG_SCHEDSTATS is not set
# CONFIG_TIMER_STATS is not set
@@ -1084,21 +1382,36 @@ CONFIG_DEBUG_INFO=y
# CONFIG_DEBUG_MEMORY_INIT is not set
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_SG is not set
-CONFIG_FRAME_POINTER=y
+# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
-CONFIG_HAVE_FTRACE=y
-CONFIG_HAVE_DYNAMIC_FTRACE=y
-# CONFIG_FTRACE is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+
+#
+# Tracers
+#
+# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_EVENT_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_TRACE_BRANCH_PROFILING is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
# CONFIG_DEBUG_USER is not set
# CONFIG_DEBUG_ERRORS is not set
# CONFIG_DEBUG_STACK_USAGE is not set
@@ -1110,17 +1423,28 @@ CONFIG_DEBUG_LL=y
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
# CONFIG_SECURITY_FILE_CAPABILITIES is not set
CONFIG_CRYPTO=y
#
# Crypto core or helper
#
+# CONFIG_CRYPTO_FIPS is not set
CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
# CONFIG_CRYPTO_GF128MUL is not set
# CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_WORKQUEUE=y
# CONFIG_CRYPTO_CRYPTD is not set
# CONFIG_CRYPTO_AUTHENC is not set
# CONFIG_CRYPTO_TEST is not set
@@ -1152,7 +1476,7 @@ CONFIG_CRYPTO_PCBC=m
#
# Digest
#
-# CONFIG_CRYPTO_CRC32C is not set
+CONFIG_CRYPTO_CRC32C=y
# CONFIG_CRYPTO_MD4 is not set
CONFIG_CRYPTO_MD5=y
# CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -1189,15 +1513,21 @@ CONFIG_CRYPTO_DES=y
# Compression
#
# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
#
# Library routines
#
CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
-# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+CONFIG_GENERIC_FIND_LAST_BIT=y
CONFIG_CRC_CCITT=y
# CONFIG_CRC16 is not set
CONFIG_CRC_T10DIF=y
@@ -1205,7 +1535,9 @@ CONFIG_CRC_T10DIF=y
CONFIG_CRC32=y
# CONFIG_CRC7 is not set
CONFIG_LIBCRC32C=y
-CONFIG_PLIST=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
--
GitLab
From bd04e46558380aaba0caab6325c07a3c6bf27706 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Fri, 28 Aug 2009 11:24:15 -0700
Subject: [PATCH 391/742] OMAP3: beagle: add missing twl4030 usb platform_data
without it twl4030_usb driver will not probe.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/board-omap3beagle.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 201360781ac1..d79ea8da6270 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -245,11 +245,16 @@ static struct regulator_init_data beagle_vpll2 = {
.consumer_supplies = &beagle_vdvi_supply,
};
+static struct twl4030_usb_data beagle_usb_data = {
+ .usb_mode = T2_USB_MODE_ULPI,
+};
+
static struct twl4030_platform_data beagle_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
/* platform_data for children goes here */
+ .usb = &beagle_usb_data,
.gpio = &beagle_gpio_data,
.vmmc1 = &beagle_vmmc1,
.vsim = &beagle_vsim,
--
GitLab
From 36d568ec055cb3ac4507d38ebabba955cdbb443e Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Fri, 28 Aug 2009 11:24:17 -0700
Subject: [PATCH 392/742] OMAP3: update OMAP3 Beagle defconfig
Update the OMAP3 Beagle defconfig to add EHCI, MMC, TWL4030 GPIO support.
Beagle can again use MMC rootfs after this patch. Tested on BeagleBoard
rev C2.
Patch updated to enable PM and OTG options as suggested by
Eric Witcher <ewitcher@mindspring.com>.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Jason Kridner <jkridner@beagleboard.org>
Acked-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/configs/omap3_beagle_defconfig | 41 +++++++++++++++++++------
1 file changed, 32 insertions(+), 9 deletions(-)
diff --git a/arch/arm/configs/omap3_beagle_defconfig b/arch/arm/configs/omap3_beagle_defconfig
index 4c6fb7e959df..51c0fa8897cd 100644
--- a/arch/arm/configs/omap3_beagle_defconfig
+++ b/arch/arm/configs/omap3_beagle_defconfig
@@ -128,6 +128,7 @@ CONFIG_DEFAULT_AS=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="anticipatory"
CONFIG_CLASSIC_RCU=y
+CONFIG_FREEZER=y
#
# System Type
@@ -236,6 +237,7 @@ CONFIG_ARM_THUMB=y
# CONFIG_CPU_BPREDICT_DISABLE is not set
CONFIG_HAS_TLS_REG=y
# CONFIG_OUTER_CACHE is not set
+CONFIG_COMMON_CLKDEV=y
#
# Bus support
@@ -317,7 +319,12 @@ CONFIG_BINFMT_MISC=y
#
# Power management options
#
-# CONFIG_PM is not set
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+# CONFIG_APM_EMULATION is not set
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_NET=y
@@ -713,6 +720,7 @@ CONFIG_GPIOLIB=y
# CONFIG_GPIO_MAX732X is not set
# CONFIG_GPIO_PCA953X is not set
# CONFIG_GPIO_PCF857X is not set
+CONFIG_GPIO_TWL4030=y
#
# PCI GPIO expanders:
@@ -741,6 +749,7 @@ CONFIG_SSB_POSSIBLE=y
# CONFIG_MFD_SM501 is not set
# CONFIG_HTC_EGPIO is not set
# CONFIG_HTC_PASIC3 is not set
+CONFIG_TWL4030_CORE=y
# CONFIG_UCB1400_CORE is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_MFD_T7L66XB is not set
@@ -787,7 +796,7 @@ CONFIG_DUMMY_CONSOLE=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
-# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB=y
# CONFIG_USB_DEBUG is not set
# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
@@ -798,7 +807,8 @@ CONFIG_USB=y
CONFIG_USB_DEVICEFS=y
CONFIG_USB_DEVICE_CLASS=y
# CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_OTG is not set
+CONFIG_USB_SUSPEND=y
+CONFIG_USB_OTG=y
# CONFIG_USB_OTG_WHITELIST is not set
# CONFIG_USB_OTG_BLACKLIST_HUB is not set
CONFIG_USB_MON=y
@@ -806,6 +816,8 @@ CONFIG_USB_MON=y
#
# USB Host Controller Drivers
#
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
# CONFIG_USB_C67X00_HCD is not set
# CONFIG_USB_ISP116X_HCD is not set
# CONFIG_USB_ISP1760_HCD is not set
@@ -818,10 +830,10 @@ CONFIG_USB_MUSB_SOC=y
#
# OMAP 343x high speed USB support
#
-CONFIG_USB_MUSB_HOST=y
+# CONFIG_USB_MUSB_HOST is not set
# CONFIG_USB_MUSB_PERIPHERAL is not set
-# CONFIG_USB_MUSB_OTG is not set
-# CONFIG_USB_GADGET_MUSB_HDRC is not set
+CONFIG_USB_MUSB_OTG=y
+CONFIG_USB_GADGET_MUSB_HDRC=y
CONFIG_USB_MUSB_HDRC_HCD=y
# CONFIG_MUSB_PIO_ONLY is not set
CONFIG_USB_INVENTRA_DMA=y
@@ -887,8 +899,8 @@ CONFIG_USB_GADGET_SELECTED=y
# CONFIG_USB_GADGET_FSL_USB2 is not set
# CONFIG_USB_GADGET_NET2280 is not set
# CONFIG_USB_GADGET_PXA25X is not set
-CONFIG_USB_GADGET_M66592=y
-CONFIG_USB_M66592=y
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_M66592 is not set
# CONFIG_USB_GADGET_PXA27X is not set
# CONFIG_USB_GADGET_GOKU is not set
# CONFIG_USB_GADGET_LH7A40X is not set
@@ -906,6 +918,15 @@ CONFIG_USB_ETH_RNDIS=y
# CONFIG_USB_MIDI_GADGET is not set
# CONFIG_USB_G_PRINTER is not set
# CONFIG_USB_CDC_COMPOSITE is not set
+
+#
+# OTG and related infrastructure
+#
+CONFIG_USB_OTG_UTILS=y
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_ISP1301_OMAP is not set
+CONFIG_TWL4030_USB=y
+# CONFIG_NOP_USB_XCEIV is not set
CONFIG_MMC=y
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_UNSAFE_RESUME is not set
@@ -923,6 +944,7 @@ CONFIG_MMC_BLOCK_BOUNCE=y
#
# CONFIG_MMC_SDHCI is not set
# CONFIG_MMC_OMAP is not set
+CONFIG_MMC_OMAP_HS=y
# CONFIG_MEMSTICK is not set
# CONFIG_ACCESSIBILITY is not set
# CONFIG_NEW_LEDS is not set
@@ -981,10 +1003,11 @@ CONFIG_RTC_INTF_DEV=y
#
# Voltage and Current regulators
#
-# CONFIG_REGULATOR is not set
+CONFIG_REGULATOR=y
# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
# CONFIG_REGULATOR_BQ24022 is not set
+CONFIG_REGULATOR_TWL4030=y
# CONFIG_UIO is not set
#
--
GitLab
From 7285dd7fd375763bfb8ab1ac9cf3f1206f503c16 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 28 Aug 2009 20:25:24 +0200
Subject: [PATCH 393/742] clocksource: Resolve cpu hotplug dead lock with TSC
unstable
Martin Schwidefsky analyzed it:
To register a clocksource the clocksource_mutex is acquired and if
necessary timekeeping_notify is called to install the clocksource as
the timekeeper clock. timekeeping_notify uses stop_machine which needs
to take cpu_add_remove_lock mutex.
Starting a new cpu is done with the cpu_add_remove_lock mutex held.
native_cpu_up checks the tsc of the new cpu and if the tsc is no good
clocksource_change_rating is called. Which needs the clocksource_mutex
and the deadlock is complete.
The solution is to replace the TSC via the clocksource watchdog
mechanism. Mark the TSC as unstable and schedule the watchdog work so
it gets removed in the watchdog thread context.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: John Stultz <johnstul@us.ibm.com>
---
arch/x86/kernel/tsc.c | 8 +++++---
include/linux/clocksource.h | 1 +
kernel/time/clocksource.c | 33 ++++++++++++++++++++++++++++++---
3 files changed, 36 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 968425422c46..fc3672a303d6 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -767,12 +767,14 @@ void mark_tsc_unstable(char *reason)
{
if (!tsc_unstable) {
tsc_unstable = 1;
- printk("Marking TSC unstable due to %s\n", reason);
+ printk(KERN_INFO "Marking TSC unstable due to %s\n", reason);
/* Change only the rating, when not registered */
if (clocksource_tsc.mult)
- clocksource_change_rating(&clocksource_tsc, 0);
- else
+ clocksource_mark_unstable(&clocksource_tsc);
+ else {
+ clocksource_tsc.flags |= CLOCK_SOURCE_UNSTABLE;
clocksource_tsc.rating = 0;
+ }
}
}
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 9ea40ff26f0e..83d2fbd81b93 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -277,6 +277,7 @@ extern struct clocksource* clocksource_get_next(void);
extern void clocksource_change_rating(struct clocksource *cs, int rating);
extern void clocksource_resume(void);
extern struct clocksource * __init __weak clocksource_default_clock(void);
+extern void clocksource_mark_unstable(struct clocksource *cs);
#ifdef CONFIG_GENERIC_TIME_VSYSCALL
extern void update_vsyscall(struct timespec *ts, struct clocksource *c);
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index e0c86ad6e9fb..a0af4ffcb6e5 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -149,15 +149,42 @@ static void clocksource_watchdog_work(struct work_struct *work)
kthread_run(clocksource_watchdog_kthread, NULL, "kwatchdog");
}
-static void clocksource_unstable(struct clocksource *cs, int64_t delta)
+static void __clocksource_unstable(struct clocksource *cs)
{
- printk(KERN_WARNING "Clocksource %s unstable (delta = %Ld ns)\n",
- cs->name, delta);
cs->flags &= ~(CLOCK_SOURCE_VALID_FOR_HRES | CLOCK_SOURCE_WATCHDOG);
cs->flags |= CLOCK_SOURCE_UNSTABLE;
schedule_work(&watchdog_work);
}
+static void clocksource_unstable(struct clocksource *cs, int64_t delta)
+{
+ printk(KERN_WARNING "Clocksource %s unstable (delta = %Ld ns)\n",
+ cs->name, delta);
+ __clocksource_unstable(cs);
+}
+
+/**
+ * clocksource_mark_unstable - mark clocksource unstable via watchdog
+ * @cs: clocksource to be marked unstable
+ *
+ * This function is called instead of clocksource_change_rating from
+ * cpu hotplug code to avoid a deadlock between the clocksource mutex
+ * and the cpu hotplug mutex. It defers the update of the clocksource
+ * to the watchdog thread.
+ */
+void clocksource_mark_unstable(struct clocksource *cs)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&watchdog_lock, flags);
+ if (!(cs->flags & CLOCK_SOURCE_UNSTABLE)) {
+ if (list_empty(&cs->wd_list))
+ list_add(&cs->wd_list, &watchdog_list);
+ __clocksource_unstable(cs);
+ }
+ spin_unlock_irqrestore(&watchdog_lock, flags);
+}
+
static void clocksource_watchdog(unsigned long data)
{
struct clocksource *cs;
--
GitLab
From 2c94eb86c66e1eaaa1e7d8a2120f4fad5e7e7736 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Fri, 28 Aug 2009 21:43:15 -0400
Subject: [PATCH 394/742] ext4: Allow rename to create more than EXT4_LINK_MAX
subdirectories
Use EXT4_DIR_LINK_MAX so that rename() can move a directory into new
parent directory without running into the EXT4_LINK_MAX limit.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index fea14dbd3c22..ba91bd0f7916 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2421,7 +2421,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
goto end_rename;
retval = -EMLINK;
if (!new_inode && new_dir != old_dir &&
- new_dir->i_nlink >= EXT4_LINK_MAX)
+ EXT4_DIR_LINK_MAX(new_dir))
goto end_rename;
}
if (!new_bh) {
--
GitLab
From 4aa5ac4ef44dd8c986241c54298abd7910b78b3f Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Fri, 28 Aug 2009 21:37:20 +0000
Subject: [PATCH 395/742] sh: Only shout about fixing up unexpected unaligned
accesses
Some unaligned accesses are completely expected. For example, the
trapped_io code uses the unaligned access fixup code path so there's no
need to warn about having to fixup the unaligned access.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/system_32.h | 2 +-
arch/sh/kernel/io_trapped.c | 3 ++-
arch/sh/kernel/traps_32.c | 9 +++++----
3 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h
index 81e0d668eefd..d3ab269386bb 100644
--- a/arch/sh/include/asm/system_32.h
+++ b/arch/sh/include/asm/system_32.h
@@ -199,7 +199,7 @@ do { \
#endif
int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
- struct mem_access *ma);
+ struct mem_access *ma, int);
asmlinkage void do_address_error(struct pt_regs *regs,
unsigned long writeaccess,
diff --git a/arch/sh/kernel/io_trapped.c b/arch/sh/kernel/io_trapped.c
index e27a19e1f46e..69be603aa2d7 100644
--- a/arch/sh/kernel/io_trapped.c
+++ b/arch/sh/kernel/io_trapped.c
@@ -284,7 +284,8 @@ int handle_trapped_io(struct pt_regs *regs, unsigned long address)
return 0;
}
- tmp = handle_unaligned_access(instruction, regs, &trapped_io_access);
+ tmp = handle_unaligned_access(instruction, regs,
+ &trapped_io_access, 1);
set_fs(oldfs);
return tmp == 0;
}
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index c581dc31d92a..583ace55b0dc 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -449,7 +449,7 @@ static inline int handle_delayslot(struct pt_regs *regs,
#define SH_PC_12BIT_OFFSET(instr) ((((signed short)(instr<<4))>>3) + 4)
int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
- struct mem_access *ma)
+ struct mem_access *ma, int expected)
{
u_int rm;
int ret, index;
@@ -458,7 +458,7 @@ int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
rm = regs->regs[index];
/* shout about fixups */
- if (printk_ratelimit())
+ if (!expected && printk_ratelimit())
printk(KERN_NOTICE "Fixing up unaligned %s access "
"in \"%s\" pid=%d pc=0x%p ins=0x%04hx\n",
user_mode(regs) ? "userspace" : "kernel",
@@ -657,7 +657,7 @@ fixup:
set_fs(USER_DS);
tmp = handle_unaligned_access(instruction, regs,
- &user_mem_access);
+ &user_mem_access, 0);
set_fs(oldfs);
if (tmp==0)
@@ -694,7 +694,8 @@ uspace_segv:
die("insn faulting in do_address_error", regs, 0);
}
- handle_unaligned_access(instruction, regs, &user_mem_access);
+ handle_unaligned_access(instruction, regs,
+ &user_mem_access, 0);
set_fs(oldfs);
}
}
--
GitLab
From b05ab1dc3795e6f997fb0d34f38fce5012533c3e Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sat, 29 Aug 2009 21:08:08 -0400
Subject: [PATCH 396/742] ext4: Limit number of links that can be created by
ext4_link()
In ext4_link we need to check using EXT4_LINK_MAX, and not
EXT4_DIR_LINK_MAX(), since ext4_link() is creating hard links of
regular files, and not directories.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index ba91bd0f7916..f27c8164c1fe 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2318,7 +2318,7 @@ static int ext4_link(struct dentry *old_dentry,
struct inode *inode = old_dentry->d_inode;
int err, retries = 0;
- if (EXT4_DIR_LINK_MAX(inode))
+ if (inode->i_nlink >= EXT4_LINK_MAX)
return -EMLINK;
/*
--
GitLab
From d8aa899bb27ad7879ab9e621365e04ada2745a65 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Sun, 30 Aug 2009 12:26:32 +0800
Subject: [PATCH 397/742] score: remove unused code, add include files in .c
---
arch/score/include/asm/elf.h | 18 +++++++++++-------
arch/score/include/asm/irqflags.h | 2 --
arch/score/kernel/signal.c | 4 ++--
arch/score/mm/init.c | 4 +++-
arch/score/mm/pgtable.c | 10 +---------
5 files changed, 17 insertions(+), 21 deletions(-)
diff --git a/arch/score/include/asm/elf.h b/arch/score/include/asm/elf.h
index 832436375ac3..43526d9fda93 100644
--- a/arch/score/include/asm/elf.h
+++ b/arch/score/include/asm/elf.h
@@ -1,9 +1,8 @@
#ifndef _ASM_SCORE_ELF_H
#define _ASM_SCORE_ELF_H
-/* ELF register definitions */
-#define ELF_NGREG 45
-#define ELF_NFPREG 33
+#include <linux/ptrace.h>
+
#define EM_SCORE7 135
/* Relocation types. */
@@ -30,11 +29,15 @@
#define R_SCORE_IMM30 20
#define R_SCORE_IMM32 21
-typedef unsigned long elf_greg_t;
-typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+/* ELF register definitions */
+typedef unsigned long elf_greg_t;
+
+#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-typedef double elf_fpreg_t;
-typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+/* Score does not have fp regs. */
+typedef double elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t;
#define elf_check_arch(x) ((x)->e_machine == EM_SCORE7)
@@ -57,6 +60,7 @@ do { \
struct task_struct;
struct pt_regs;
+#define CORE_DUMP_USE_REGSET
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE PAGE_SIZE
diff --git a/arch/score/include/asm/irqflags.h b/arch/score/include/asm/irqflags.h
index 92eeb33dd72b..690a6cae7294 100644
--- a/arch/score/include/asm/irqflags.h
+++ b/arch/score/include/asm/irqflags.h
@@ -17,8 +17,6 @@
"nop;" \
"nop;" \
"nop;" \
- "ldi r9, 0x1;" \
- "and %0, %0, r9;" \
: "=r" (x) \
: \
: "r8", "r9" \
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
index 950f87c4a16a..aa57440e4973 100644
--- a/arch/score/kernel/signal.c
+++ b/arch/score/kernel/signal.c
@@ -25,14 +25,14 @@
#include <linux/errno.h>
#include <linux/signal.h>
+#include <linux/ptrace.h>
#include <linux/unistd.h>
#include <linux/uaccess.h>
+#include <asm/cacheflush.h>
#include <asm/syscalls.h>
#include <asm/ucontext.h>
-#include <asm/cacheflush.h>
-
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
struct rt_sigframe {
diff --git a/arch/score/mm/init.c b/arch/score/mm/init.c
index d496e9f1a601..4e3dcd0c4716 100644
--- a/arch/score/mm/init.c
+++ b/arch/score/mm/init.c
@@ -144,7 +144,8 @@ void free_initrd_mem(unsigned long start, unsigned long end)
void __init_refok free_initmem(void)
{
free_init_pages("unused kernel memory",
- (unsigned long)__init_begin, (unsigned long)__init_end);
+ __pa(&__init_begin),
+ __pa(&__init_end));
}
unsigned long pgd_current;
@@ -156,4 +157,5 @@ unsigned long pgd_current;
* are constants. So we use the variants from asm-offset.h until that gcc
* will officially be retired.
*/
+pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PTE_ORDER);
pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER);
diff --git a/arch/score/mm/pgtable.c b/arch/score/mm/pgtable.c
index 10b0962f83d4..6408bb73d3cc 100644
--- a/arch/score/mm/pgtable.c
+++ b/arch/score/mm/pgtable.c
@@ -47,14 +47,6 @@ void pgd_init(unsigned long page)
void __init pagetable_init(void)
{
- unsigned long vaddr;
- pgd_t *pgd_base;
-
/* Initialize the entire pgd. */
- pgd_init((unsigned long) swapper_pg_dir);
- pgd_init((unsigned long) swapper_pg_dir
- + sizeof(pgd_t) * USER_PTRS_PER_PGD);
-
- pgd_base = swapper_pg_dir;
- vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK;
+ pgd_init((unsigned long)swapper_pg_dir);
}
--
GitLab
From ffa818b4b099f65b6cb74750bdb979061716e020 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Sun, 30 Aug 2009 12:30:16 +0800
Subject: [PATCH 398/742] score: update inconsistent declare after .c was
changed
---
arch/score/include/asm/irq.h | 2 +
arch/score/include/asm/irq_regs.h | 7 +-
arch/score/include/asm/linkage.h | 3 +
arch/score/include/asm/page.h | 4 +-
arch/score/include/asm/pgalloc.h | 2 +-
arch/score/include/asm/pgtable.h | 31 ++-
arch/score/include/asm/ptrace.h | 8 +-
arch/score/include/asm/uaccess.h | 433 ++++++++++++++++++++++++++++--
arch/score/include/asm/user.h | 17 ++
9 files changed, 472 insertions(+), 35 deletions(-)
diff --git a/arch/score/include/asm/irq.h b/arch/score/include/asm/irq.h
index 6edd2a2adef7..c883f3df33fa 100644
--- a/arch/score/include/asm/irq.h
+++ b/arch/score/include/asm/irq.h
@@ -20,4 +20,6 @@
#define IRQ_TIMER (7) /* Timer IRQ number of SPCT6600 */
+extern void interrupt_exception_vector(void);
+
#endif /* _ASM_SCORE_IRQ_H */
diff --git a/arch/score/include/asm/irq_regs.h b/arch/score/include/asm/irq_regs.h
index 905b7b078bae..b8e881c9a69f 100644
--- a/arch/score/include/asm/irq_regs.h
+++ b/arch/score/include/asm/irq_regs.h
@@ -1,6 +1,11 @@
#ifndef _ASM_SCORE_IRQ_REGS_H
#define _ASM_SCORE_IRQ_REGS_H
-#include <asm-generic/irq_regs.h>
+#include <linux/thread_info.h>
+
+static inline struct pt_regs *get_irq_regs(void)
+{
+ return current_thread_info()->regs;
+}
#endif /* _ASM_SCORE_IRQ_REGS_H */
diff --git a/arch/score/include/asm/linkage.h b/arch/score/include/asm/linkage.h
index 2580fbbfe946..2323a8ecf445 100644
--- a/arch/score/include/asm/linkage.h
+++ b/arch/score/include/asm/linkage.h
@@ -1,4 +1,7 @@
#ifndef _ASM_SCORE_LINKAGE_H
#define _ASM_SCORE_LINKAGE_H
+#define __ALIGN .align 2
+#define __ALIGN_STR ".align 2"
+
#endif /* _ASM_SCORE_LINKAGE_H */
diff --git a/arch/score/include/asm/page.h b/arch/score/include/asm/page.h
index 67e98206be6a..ee5821042fcc 100644
--- a/arch/score/include/asm/page.h
+++ b/arch/score/include/asm/page.h
@@ -57,8 +57,8 @@ extern unsigned long max_low_pfn;
extern unsigned long min_low_pfn;
extern unsigned long max_pfn;
-#define __pa(vaddr) ((unsigned long) (vaddr))
-#define __va(paddr) ((void *) (paddr))
+#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET)
+#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
#define phys_to_pfn(phys) (PFN_DOWN(phys))
#define pfn_to_phys(pfn) (PFN_PHYS(pfn))
diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h
index 28dacc1cbbab..059a61b7071b 100644
--- a/arch/score/include/asm/pgalloc.h
+++ b/arch/score/include/asm/pgalloc.h
@@ -72,7 +72,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
__free_pages(pte, PTE_ORDER);
}
-#define __pte_free_tlb(tlb, pte) \
+#define __pte_free_tlb(tlb, pte, buf) \
do { \
pgtable_page_dtor(pte); \
tlb_remove_page((tlb), pte); \
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h
index 5e913e57c671..674934b40170 100644
--- a/arch/score/include/asm/pgtable.h
+++ b/arch/score/include/asm/pgtable.h
@@ -106,7 +106,8 @@ static inline void pmd_clear(pmd_t *pmdp)
((swp_entry_t) { pte_val(pte)})
#define __swp_entry_to_pte(x) ((pte_t) {(x).val})
-#define pmd_page(pmd) virt_to_page(__va(pmd_val(pmd)))
+#define pmd_phys(pmd) __pa((void *)pmd_val(pmd))
+#define pmd_page(pmd) (pfn_to_page(pmd_phys(pmd) >> PAGE_SHIFT))
#define mk_pte(page, prot) pfn_pte(page_to_pfn(page), prot)
static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
@@ -129,14 +130,11 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
#define pgd_clear(pgdp) do { } while (0)
#define kern_addr_valid(addr) (1)
-#define pmd_offset(a, b) ((void *) 0)
#define pmd_page_vaddr(pmd) pmd_val(pmd)
#define pte_none(pte) (!(pte_val(pte) & ~_PAGE_GLOBAL))
#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
-#define pud_offset(pgd, address) ((pud_t *) pgd)
-
#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_CACHE)
#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
_PAGE_CACHE)
@@ -165,15 +163,27 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
#define __S110 PAGE_SHARED
#define __S111 PAGE_SHARED
-#define pgprot_noncached(x) (x)
+#define pgprot_noncached pgprot_noncached
+
+static inline pgprot_t pgprot_noncached(pgprot_t _prot)
+{
+ unsigned long prot = pgprot_val(_prot);
+
+ prot = (prot & ~_CACHE_MASK);
+
+ return __pgprot(prot);
+}
-#define __swp_type(x) (0)
-#define __swp_offset(x) (0)
-#define __swp_entry(typ, off) ((swp_entry_t) { ((typ) | ((off) << 7)) })
+#define __swp_type(x) ((x).val & 0x1f)
+#define __swp_offset(x) ((x).val >> 11)
+#define __swp_entry(type, offset) ((swp_entry_t){(type) | ((offset) << 11)})
-#define ZERO_PAGE(vaddr) ({ BUG(); NULL; })
+extern unsigned long empty_zero_page;
+extern unsigned long zero_page_mask;
-#define swapper_pg_dir ((pgd_t *) NULL)
+#define ZERO_PAGE(vaddr) \
+ (virt_to_page((void *)(empty_zero_page + \
+ (((unsigned long)(vaddr)) & zero_page_mask))))
#define pgtable_cache_init() do {} while (0)
@@ -248,6 +258,7 @@ static inline pte_t pte_mkyoung(pte_t pte)
#define pte_present(pte) (pte_val(pte) & _PAGE_PRESENT)
extern unsigned long pgd_current;
+extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
extern void paging_init(void);
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h
index 66b14c8891cf..d40e691f23e2 100644
--- a/arch/score/include/asm/ptrace.h
+++ b/arch/score/include/asm/ptrace.h
@@ -51,9 +51,11 @@
* system call/exception. As usual the registers k0/k1 aren't being saved.
*/
struct pt_regs {
- unsigned long pad0[6];
+ unsigned long pad0[6]; /* stack arguments */
unsigned long orig_r4;
unsigned long orig_r7;
+ long is_syscall;
+
unsigned long regs[32];
unsigned long cel;
@@ -68,12 +70,12 @@ struct pt_regs {
unsigned long cp0_psr;
unsigned long cp0_ecr;
unsigned long cp0_condition;
-
- long is_syscall;
};
#ifdef __KERNEL__
+struct task_struct;
+
/*
* Does the process account for user or for system time?
*/
diff --git a/arch/score/include/asm/uaccess.h b/arch/score/include/asm/uaccess.h
index 6f09e2b7ddb9..ab66ddde777b 100644
--- a/arch/score/include/asm/uaccess.h
+++ b/arch/score/include/asm/uaccess.h
@@ -1,27 +1,424 @@
-#ifndef _ASM_SCORE_UACCESS_H
-#define _ASM_SCORE_UACCESS_H
+#ifndef __SCORE_UACCESS_H
+#define __SCORE_UACCESS_H
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/thread_info.h>
+
+#define VERIFY_READ 0
+#define VERIFY_WRITE 1
+
+#define get_ds() (KERNEL_DS)
+#define get_fs() (current_thread_info()->addr_limit)
+#define segment_eq(a, b) ((a).seg == (b).seg)
+
/*
- * Copyright (C) 2006 Atmark Techno, Inc.
+ * Is a address valid? This does a straighforward calculation rather
+ * than tests.
+ *
+ * Address valid if:
+ * - "addr" doesn't have any high-bits set
+ * - AND "size" doesn't have any high-bits set
+ * - AND "addr+size" doesn't have any high-bits set
+ * - OR we are in kernel mode.
*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
+ * __ua_size() is a trick to avoid runtime checking of positive constant
+ * sizes; for those we already know at compile time that the size is ok.
*/
-struct pt_regs;
-extern int fixup_exception(struct pt_regs *regs);
+#define __ua_size(size) \
+ ((__builtin_constant_p(size) && (signed long) (size) > 0) ? 0 : (size))
+
+/*
+ * access_ok: - Checks if a user space pointer is valid
+ * @type: Type of access: %VERIFY_READ or %VERIFY_WRITE. Note that
+ * %VERIFY_WRITE is a superset of %VERIFY_READ - if it is safe
+ * to write to a block, it is always safe to read from it.
+ * @addr: User space pointer to start of block to check
+ * @size: Size of block to check
+ *
+ * Context: User context only. This function may sleep.
+ *
+ * Checks if a pointer to a block of memory in user space is valid.
+ *
+ * Returns true (nonzero) if the memory block may be valid, false (zero)
+ * if it is definitely invalid.
+ *
+ * Note that, depending on architecture, this function probably just
+ * checks that the pointer is in the user space range - after calling
+ * this function, memory access functions may still return -EFAULT.
+ */
+
+#define __access_ok(addr, size) \
+ (((long)((get_fs().seg) & \
+ ((addr) | ((addr) + (size)) | \
+ __ua_size(size)))) == 0)
+
+#define access_ok(type, addr, size) \
+ likely(__access_ok((unsigned long)(addr), (size)))
+
+/*
+ * put_user: - Write a simple value into user space.
+ * @x: Value to copy to user space.
+ * @ptr: Destination address, in user space.
+ *
+ * Context: User context only. This function may sleep.
+ *
+ * This macro copies a single simple value from kernel space to user
+ * space. It supports simple types like char and int, but not larger
+ * data types like structures or arrays.
+ *
+ * @ptr must have pointer-to-simple-variable type, and @x must be assignable
+ * to the result of dereferencing @ptr.
+ *
+ * Returns zero on success, or -EFAULT on error.
+ */
+#define put_user(x, ptr) __put_user_check((x), (ptr), sizeof(*(ptr)))
+
+/*
+ * get_user: - Get a simple variable from user space.
+ * @x: Variable to store result.
+ * @ptr: Source address, in user space.
+ *
+ * Context: User context only. This function may sleep.
+ *
+ * This macro copies a single simple variable from user space to kernel
+ * space. It supports simple types like char and int, but not larger
+ * data types like structures or arrays.
+ *
+ * @ptr must have pointer-to-simple-variable type, and the result of
+ * dereferencing @ptr must be assignable to @x without a cast.
+ *
+ * Returns zero on success, or -EFAULT on error.
+ * On error, the variable @x is set to zero.
+ */
+#define get_user(x, ptr) __get_user_check((x), (ptr), sizeof(*(ptr)))
+
+/*
+ * __put_user: - Write a simple value into user space, with less checking.
+ * @x: Value to copy to user space.
+ * @ptr: Destination address, in user space.
+ *
+ * Context: User context only. This function may sleep.
+ *
+ * This macro copies a single simple value from kernel space to user
+ * space. It supports simple types like char and int, but not larger
+ * data types like structures or arrays.
+ *
+ * @ptr must have pointer-to-simple-variable type, and @x must be assignable
+ * to the result of dereferencing @ptr.
+ *
+ * Caller must check the pointer with access_ok() before calling this
+ * function.
+ *
+ * Returns zero on success, or -EFAULT on error.
+ */
+#define __put_user(x, ptr) __put_user_nocheck((x), (ptr), sizeof(*(ptr)))
+
+/*
+ * __get_user: - Get a simple variable from user space, with less checking.
+ * @x: Variable to store result.
+ * @ptr: Source address, in user space.
+ *
+ * Context: User context only. This function may sleep.
+ *
+ * This macro copies a single simple variable from user space to kernel
+ * space. It supports simple types like char and int, but not larger
+ * data types like structures or arrays.
+ *
+ * @ptr must have pointer-to-simple-variable type, and the result of
+ * dereferencing @ptr must be assignable to @x without a cast.
+ *
+ * Caller must check the pointer with access_ok() before calling this
+ * function.
+ *
+ * Returns zero on success, or -EFAULT on error.
+ * On error, the variable @x is set to zero.
+ */
+#define __get_user(x, ptr) __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
+
+struct __large_struct { unsigned long buf[100]; };
+#define __m(x) (*(struct __large_struct __user *)(x))
+
+/*
+ * Yuck. We need two variants, one for 64bit operation and one
+ * for 32 bit mode and old iron.
+ */
+extern void __get_user_unknown(void);
+
+#define __get_user_common(val, size, ptr) \
+do { \
+ switch (size) { \
+ case 1: \
+ __get_user_asm(val, "lb", ptr); \
+ break; \
+ case 2: \
+ __get_user_asm(val, "lh", ptr); \
+ break; \
+ case 4: \
+ __get_user_asm(val, "lw", ptr); \
+ break; \
+ case 8: \
+ if ((copy_from_user((void *)&val, ptr, 8)) == 0) \
+ __gu_err = 0; \
+ else \
+ __gu_err = -EFAULT; \
+ break; \
+ default: \
+ __get_user_unknown(); \
+ break; \
+ } \
+} while (0)
+
+#define __get_user_nocheck(x, ptr, size) \
+({ \
+ long __gu_err = 0; \
+ __get_user_common((x), size, ptr); \
+ __gu_err; \
+})
+
+#define __get_user_check(x, ptr, size) \
+({ \
+ long __gu_err = -EFAULT; \
+ const __typeof__(*(ptr)) __user *__gu_ptr = (ptr); \
+ \
+ if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) \
+ __get_user_common((x), size, __gu_ptr); \
+ \
+ __gu_err; \
+})
+
+#define __get_user_asm(val, insn, addr) \
+{ \
+ long __gu_tmp; \
+ \
+ __asm__ __volatile__( \
+ "1:" insn " %1, %3\n" \
+ "2:\n" \
+ ".section .fixup,\"ax\"\n" \
+ "3:li %0, %4\n" \
+ "j 2b\n" \
+ ".previous\n" \
+ ".section __ex_table,\"a\"\n" \
+ ".word 1b, 3b\n" \
+ ".previous\n" \
+ : "=r" (__gu_err), "=r" (__gu_tmp) \
+ : "0" (0), "o" (__m(addr)), "i" (-EFAULT)); \
+ \
+ (val) = (__typeof__(*(addr))) __gu_tmp; \
+}
+
+/*
+ * Yuck. We need two variants, one for 64bit operation and one
+ * for 32 bit mode and old iron.
+ */
+#define __put_user_nocheck(val, ptr, size) \
+({ \
+ __typeof__(*(ptr)) __pu_val; \
+ long __pu_err = 0; \
+ \
+ __pu_val = (val); \
+ switch (size) { \
+ case 1: \
+ __put_user_asm("sb", ptr); \
+ break; \
+ case 2: \
+ __put_user_asm("sh", ptr); \
+ break; \
+ case 4: \
+ __put_user_asm("sw", ptr); \
+ break; \
+ case 8: \
+ if ((__copy_to_user((void *)ptr, &__pu_val, 8)) == 0) \
+ __pu_err = 0; \
+ else \
+ __pu_err = -EFAULT; \
+ break; \
+ default: \
+ __put_user_unknown(); \
+ break; \
+ } \
+ __pu_err; \
+})
+
+
+#define __put_user_check(val, ptr, size) \
+({ \
+ __typeof__(*(ptr)) __user *__pu_addr = (ptr); \
+ __typeof__(*(ptr)) __pu_val = (val); \
+ long __pu_err = -EFAULT; \
+ \
+ if (likely(access_ok(VERIFY_WRITE, __pu_addr, size))) { \
+ switch (size) { \
+ case 1: \
+ __put_user_asm("sb", __pu_addr); \
+ break; \
+ case 2: \
+ __put_user_asm("sh", __pu_addr); \
+ break; \
+ case 4: \
+ __put_user_asm("sw", __pu_addr); \
+ break; \
+ case 8: \
+ if ((__copy_to_user((void *)__pu_addr, &__pu_val, 8)) == 0)\
+ __pu_err = 0; \
+ else \
+ __pu_err = -EFAULT; \
+ break; \
+ default: \
+ __put_user_unknown(); \
+ break; \
+ } \
+ } \
+ __pu_err; \
+})
+
+#define __put_user_asm(insn, ptr) \
+ __asm__ __volatile__( \
+ "1:" insn " %2, %3\n" \
+ "2:\n" \
+ ".section .fixup,\"ax\"\n" \
+ "3:li %0, %4\n" \
+ "j 2b\n" \
+ ".previous\n" \
+ ".section __ex_table,\"a\"\n" \
+ ".word 1b, 3b\n" \
+ ".previous\n" \
+ : "=r" (__pu_err) \
+ : "0" (0), "r" (__pu_val), "o" (__m(ptr)), \
+ "i" (-EFAULT));
+
+extern void __put_user_unknown(void);
+extern int __copy_tofrom_user(void *to, const void *from, unsigned long len);
+
+static inline unsigned long
+copy_from_user(void *to, const void *from, unsigned long len)
+{
+ unsigned long over;
+
+ if (access_ok(VERIFY_READ, from, len))
+ return __copy_tofrom_user(to, from, len);
+
+ if ((unsigned long)from < TASK_SIZE) {
+ over = (unsigned long)from + len - TASK_SIZE;
+ return __copy_tofrom_user(to, from, len - over) + over;
+ }
+ return len;
+}
+
+static inline unsigned long
+copy_to_user(void *to, const void *from, unsigned long len)
+{
+ unsigned long over;
+
+ if (access_ok(VERIFY_WRITE, to, len))
+ return __copy_tofrom_user(to, from, len);
+
+ if ((unsigned long)to < TASK_SIZE) {
+ over = (unsigned long)to + len - TASK_SIZE;
+ return __copy_tofrom_user(to, from, len - over) + over;
+ }
+ return len;
+}
-#ifndef __ASSEMBLY__
+#define __copy_from_user(to, from, len) \
+ __copy_tofrom_user((to), (from), (len))
-#define __range_ok(addr, size) \
- ((((unsigned long __force)(addr) >= 0x80000000) \
- || ((unsigned long)(size) > 0x80000000) \
- || (((unsigned long __force)(addr) + (unsigned long)(size)) > 0x80000000)))
+#define __copy_to_user(to, from, len) \
+ __copy_tofrom_user((to), (from), (len))
-#define __access_ok(addr, size) \
- (__range_ok((addr), (size)) == 0)
+static inline unsigned long
+__copy_to_user_inatomic(void *to, const void *from, unsigned long len)
+{
+ return __copy_to_user(to, from, len);
+}
-#include <asm-generic/uaccess.h>
+static inline unsigned long
+__copy_from_user_inatomic(void *to, const void *from, unsigned long len)
+{
+ return __copy_from_user(to, from, len);
+}
+
+#define __copy_in_user(to, from, len) __copy_from_user(to, from, len)
+
+static inline unsigned long
+copy_in_user(void *to, const void *from, unsigned long len)
+{
+ if (access_ok(VERIFY_READ, from, len) &&
+ access_ok(VERFITY_WRITE, to, len))
+ return copy_from_user(to, from, len);
+}
+
+/*
+ * __clear_user: - Zero a block of memory in user space, with less checking.
+ * @to: Destination address, in user space.
+ * @n: Number of bytes to zero.
+ *
+ * Zero a block of memory in user space. Caller must check
+ * the specified block with access_ok() before calling this function.
+ *
+ * Returns number of bytes that could not be cleared.
+ * On success, this will be zero.
+ */
+extern unsigned long __clear_user(void __user *src, unsigned long size);
+
+static inline unsigned long clear_user(char *src, unsigned long size)
+{
+ if (access_ok(VERIFY_WRITE, src, size))
+ return __clear_user(src, size);
+
+ return -EFAULT;
+}
+/*
+ * __strncpy_from_user: - Copy a NUL terminated string from userspace, with less checking.
+ * @dst: Destination address, in kernel space. This buffer must be at
+ * least @count bytes long.
+ * @src: Source address, in user space.
+ * @count: Maximum number of bytes to copy, including the trailing NUL.
+ *
+ * Copies a NUL-terminated string from userspace to kernel space.
+ * Caller must check the specified block with access_ok() before calling
+ * this function.
+ *
+ * On success, returns the length of the string (not including the trailing
+ * NUL).
+ *
+ * If access to userspace fails, returns -EFAULT (some data may have been
+ * copied).
+ *
+ * If @count is smaller than the length of the string, copies @count bytes
+ * and returns @count.
+ */
+extern int __strncpy_from_user(char *dst, const char *src, long len);
+
+static inline int strncpy_from_user(char *dst, const char *src, long len)
+{
+ if (access_ok(VERIFY_READ, src, 1))
+ return __strncpy_from_user(dst, src, len);
+
+ return -EFAULT;
+}
+
+extern int __strlen_user(const char *src);
+static inline long strlen_user(const char __user *src)
+{
+ return __strlen_user(src);
+}
+
+extern int __strnlen_user(const char *str, long len);
+static inline long strnlen_user(const char __user *str, long len)
+{
+ if (!access_ok(VERIFY_READ, str, 0))
+ return 0;
+ else
+ return __strnlen_user(str, len);
+}
+
+struct exception_table_entry {
+ unsigned long insn;
+ unsigned long fixup;
+};
+
+extern int fixup_exception(struct pt_regs *regs);
-#endif /* __ASSEMBLY__ */
+#endif /* __SCORE_UACCESS_H */
-#endif /* _ASM_SCORE_UACCESS_H */
diff --git a/arch/score/include/asm/user.h b/arch/score/include/asm/user.h
index 3cf75720fe08..7bfb8e2c8054 100644
--- a/arch/score/include/asm/user.h
+++ b/arch/score/include/asm/user.h
@@ -1,4 +1,21 @@
#ifndef _ASM_SCORE_USER_H
#define _ASM_SCORE_USER_H
+struct user_regs_struct {
+ unsigned long regs[32];
+
+ unsigned long cel;
+ unsigned long ceh;
+
+ unsigned long sr0; /* cnt */
+ unsigned long sr1; /* lcr */
+ unsigned long sr2; /* scr */
+
+ unsigned long cp0_epc;
+ unsigned long cp0_ema;
+ unsigned long cp0_psr;
+ unsigned long cp0_ecr;
+ unsigned long cp0_condition;
+};
+
#endif /* _ASM_SCORE_USER_H */
--
GitLab
From 324f40fbb02ed9339ddbdc450ff8ba614a92a630 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Sun, 30 Aug 2009 12:31:58 +0800
Subject: [PATCH 399/742] score: add MEMORY_START and MEMORY_SIZE define, to
make the code clear
---
arch/score/include/asm/setup.h | 3 ++-
arch/score/kernel/setup.c | 32 +++++++++++++++++---------------
2 files changed, 19 insertions(+), 16 deletions(-)
diff --git a/arch/score/include/asm/setup.h b/arch/score/include/asm/setup.h
index de89eff98dae..3cb944dc68dc 100644
--- a/arch/score/include/asm/setup.h
+++ b/arch/score/include/asm/setup.h
@@ -2,7 +2,8 @@
#define _ASM_SCORE_SETUP_H
#define COMMAND_LINE_SIZE 256
-#define MEM_SIZE 0x2000000
+#define MEMORY_START 0
+#define MEMORY_SIZE 0x2000000
#ifdef __KERNEL__
diff --git a/arch/score/kernel/setup.c b/arch/score/kernel/setup.c
index a172ce170f62..6a2503c75c4e 100644
--- a/arch/score/kernel/setup.c
+++ b/arch/score/kernel/setup.c
@@ -26,10 +26,12 @@
#include <linux/bootmem.h>
#include <linux/initrd.h>
#include <linux/ioport.h>
+#include <linux/mm.h>
#include <linux/seq_file.h>
#include <linux/screen_info.h>
#include <asm-generic/sections.h>
+#include <asm/setup.h>
struct screen_info screen_info;
unsigned long kernelsp;
@@ -40,25 +42,25 @@ static struct resource data_resource = { .name = "Kernel data",};
static void __init bootmem_init(void)
{
- unsigned long reserved_end, bootmap_size;
+ unsigned long start_pfn, bootmap_size;
unsigned long size = initrd_end - initrd_start;
- reserved_end = (unsigned long)_end;
+ start_pfn = PFN_UP(__pa(&_end));
- min_low_pfn = 0;
- max_low_pfn = MEM_SIZE / PAGE_SIZE;
+ min_low_pfn = PFN_UP(MEMORY_START);
+ max_low_pfn = PFN_UP(MEMORY_START + MEMORY_SIZE);
/* Initialize the boot-time allocator with low memory only. */
- bootmap_size = init_bootmem_node(NODE_DATA(0), reserved_end,
+ bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn,
min_low_pfn, max_low_pfn);
add_active_range(0, min_low_pfn, max_low_pfn);
- free_bootmem(PFN_PHYS(reserved_end),
- (max_low_pfn - reserved_end) << PAGE_SHIFT);
- memory_present(0, reserved_end, max_low_pfn);
+ free_bootmem(PFN_PHYS(start_pfn),
+ (max_low_pfn - start_pfn) << PAGE_SHIFT);
+ memory_present(0, start_pfn, max_low_pfn);
/* Reserve space for the bootmem bitmap. */
- reserve_bootmem(PFN_PHYS(reserved_end), bootmap_size, BOOTMEM_DEFAULT);
+ reserve_bootmem(PFN_PHYS(start_pfn), bootmap_size, BOOTMEM_DEFAULT);
if (size == 0) {
printk(KERN_INFO "Initrd not found or empty");
@@ -87,15 +89,15 @@ static void __init resource_init(void)
{
struct resource *res;
- code_resource.start = (unsigned long)_text;
- code_resource.end = (unsigned long)_etext - 1;
- data_resource.start = (unsigned long)_etext;
- data_resource.end = (unsigned long)_edata - 1;
+ code_resource.start = __pa(&_text);
+ code_resource.end = __pa(&_etext) - 1;
+ data_resource.start = __pa(&_etext);
+ data_resource.end = __pa(&_edata) - 1;
res = alloc_bootmem(sizeof(struct resource));
res->name = "System RAM";
- res->start = 0;
- res->end = MEM_SIZE - 1;
+ res->start = MEMORY_START;
+ res->end = MEMORY_START + MEMORY_SIZE - 1;
res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
request_resource(&iomem_resource, res);
--
GitLab
From cf52c468352993ca420fe0b4ada976dc1f614026 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Sun, 30 Aug 2009 12:33:30 +0800
Subject: [PATCH 400/742] score: add old syscall support
---
arch/score/include/asm/unistd.h | 5 +++++
arch/score/kernel/entry.S | 13 +++++++++++++
arch/score/kernel/sys_score.c | 24 ++++++++++++++++++++++--
3 files changed, 40 insertions(+), 2 deletions(-)
diff --git a/arch/score/include/asm/unistd.h b/arch/score/include/asm/unistd.h
index 0d98b72f462a..4aa957364d4d 100644
--- a/arch/score/include/asm/unistd.h
+++ b/arch/score/include/asm/unistd.h
@@ -3,6 +3,11 @@
#define __ARCH_HAVE_MMU
+#define __ARCH_WANT_SYSCALL_NO_AT
+#define __ARCH_WANT_SYSCALL_NO_FLAGS
+#define __ARCH_WANT_SYSCALL_OFF_T
+#define __ARCH_WANT_SYSCALL_DEPRECATED
+
#include <asm-generic/unistd.h>
#endif /* _ASM_SCORE_UNISTD_H */
diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S
index 10e859ddefd1..577abba3fac6 100644
--- a/arch/score/kernel/entry.S
+++ b/arch/score/kernel/entry.S
@@ -499,3 +499,16 @@ ENTRY(sys_sigaltstack)
mv r4, r0
la r8, score_sigaltstack
br r8
+
+#ifdef __ARCH_WANT_SYSCALL_DEPRECATED
+ENTRY(sys_fork)
+ mv r4, r0
+ la r8, score_fork
+ br r8
+
+ENTRY(sys_vfork)
+ mv r4, r0
+ la r8, score_vfork
+ br r8
+#endif /* __ARCH_WANT_SYSCALL_DEPRECATED */
+
diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c
index 61aff8a93443..001249469866 100644
--- a/arch/score/kernel/sys_score.c
+++ b/arch/score/kernel/sys_score.c
@@ -25,6 +25,7 @@
#include <linux/file.h>
#include <linux/fs.h>
+#include <linux/mm.h>
#include <linux/mman.h>
#include <linux/module.h>
#include <linux/unistd.h>
@@ -49,8 +50,7 @@ sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
}
down_write(¤t->mm->mmap_sem);
- error = do_mmap_pgoff(file, addr, len, prot, flags,
- pgoff >> (PAGE_SHIFT - 12));
+ error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(¤t->mm->mmap_sem);
if (file)
@@ -59,6 +59,19 @@ sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
return error;
}
+asmlinkage long
+sys_mmap(unsigned long addr, unsigned long len, unsigned long prot,
+ unsigned long flags, unsigned long fd, off_t pgoff)
+{
+ return sys_mmap2(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
+}
+
+asmlinkage long
+score_fork(struct pt_regs *regs)
+{
+ return do_fork(SIGCHLD, regs->regs[0], regs, 0, NULL, NULL);
+}
+
/*
* Clone a task - this clones the calling program thread.
* This is called indirectly via a small wrapper
@@ -81,6 +94,13 @@ score_clone(struct pt_regs *regs)
parent_tidptr, child_tidptr);
}
+asmlinkage long
+score_vfork(struct pt_regs *regs)
+{
+ return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
+ regs->regs[0], regs, 0, NULL, NULL);
+}
+
/*
* sys_execve() executes a new program.
* This is called indirectly via a small wrapper
--
GitLab
From 798983b2d5f9985655ca22a7a8c504b821e3f4e0 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Sun, 30 Aug 2009 12:34:08 +0800
Subject: [PATCH 401/742] score: update files according to review comments.
---
arch/score/kernel/ptrace.c | 212 +++++++++++++++++--------------------
1 file changed, 97 insertions(+), 115 deletions(-)
diff --git a/arch/score/kernel/ptrace.c b/arch/score/kernel/ptrace.c
index 1db876b11476..174c6422b096 100644
--- a/arch/score/kernel/ptrace.c
+++ b/arch/score/kernel/ptrace.c
@@ -23,11 +23,100 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <linux/elf.h>
#include <linux/kernel.h>
+#include <linux/mm.h>
#include <linux/ptrace.h>
+#include <linux/regset.h>
#include <asm/uaccess.h>
+/*
+ * retrieve the contents of SCORE userspace general registers
+ */
+static int genregs_get(struct task_struct *target,
+ const struct user_regset *regset,
+ unsigned int pos, unsigned int count,
+ void *kbuf, void __user *ubuf)
+{
+ const struct pt_regs *regs = task_pt_regs(target);
+ int ret;
+
+ /* skip 9 * sizeof(unsigned long) not use for pt_regs */
+ ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
+ 0, offsetof(struct pt_regs, regs));
+
+ /* r0 - r31, cel, ceh, sr0, sr1, sr2, epc, ema, psr, ecr, condition */
+ ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+ regs->regs,
+ offsetof(struct pt_regs, regs),
+ offsetof(struct pt_regs, cp0_condition));
+
+ if (!ret)
+ ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
+ sizeof(struct pt_regs), -1);
+
+ return ret;
+}
+
+/*
+ * update the contents of the SCORE userspace general registers
+ */
+static int genregs_set(struct task_struct *target,
+ const struct user_regset *regset,
+ unsigned int pos, unsigned int count,
+ const void *kbuf, const void __user *ubuf)
+{
+ struct pt_regs *regs = task_pt_regs(target);
+ int ret;
+
+ /* skip 9 * sizeof(unsigned long) */
+ ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+ 0, offsetof(struct pt_regs, regs));
+
+ /* r0 - r31, cel, ceh, sr0, sr1, sr2, epc, ema, psr, ecr, condition */
+ ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+ regs->regs,
+ offsetof(struct pt_regs, regs),
+ offsetof(struct pt_regs, cp0_condition));
+
+ if (!ret)
+ ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+ sizeof(struct pt_regs), -1);
+
+ return ret;
+}
+
+/*
+ * Define the register sets available on the score7 under Linux
+ */
+enum score7_regset {
+ REGSET_GENERAL,
+};
+
+static const struct user_regset score7_regsets[] = {
+ [REGSET_GENERAL] = {
+ .core_note_type = NT_PRSTATUS,
+ .n = ELF_NGREG,
+ .size = sizeof(long),
+ .align = sizeof(long),
+ .get = genregs_get,
+ .set = genregs_set,
+ },
+};
+
+static const struct user_regset_view user_score_native_view = {
+ .name = "score7",
+ .e_machine = EM_SCORE7,
+ .regsets = score7_regsets,
+ .n = ARRAY_SIZE(score7_regsets),
+};
+
+const struct user_regset_view *task_user_regset_view(struct task_struct *task)
+{
+ return &user_score_native_view;
+}
+
static int is_16bitinsn(unsigned long insn)
{
if ((insn & INSN32_MASK) == INSN32_MASK)
@@ -80,34 +169,6 @@ write_tsk_long(struct task_struct *child,
return copied != sizeof(val) ? -EIO : 0;
}
-/*
- * Get all user integer registers.
- */
-static int ptrace_getregs(struct task_struct *tsk, void __user *uregs)
-{
- struct pt_regs *regs = task_pt_regs(tsk);
-
- return copy_to_user(uregs, regs, sizeof(struct pt_regs)) ? -EFAULT : 0;
-}
-
-/*
- * Set all user integer registers.
- */
-static int ptrace_setregs(struct task_struct *tsk, void __user *uregs)
-{
- struct pt_regs newregs;
- int ret;
-
- ret = -EFAULT;
- if (copy_from_user(&newregs, uregs, sizeof(struct pt_regs)) == 0) {
- struct pt_regs *regs = task_pt_regs(tsk);
- *regs = newregs;
- ret = 0;
- }
-
- return ret;
-}
-
void user_enable_single_step(struct task_struct *child)
{
/* far_epc is the target of branch */
@@ -270,97 +331,18 @@ arch_ptrace(struct task_struct *child, long request, long addr, long data)
unsigned long __user *datap = (void __user *)data;
switch (request) {
- /* Read the word at location addr in the USER area. */
- case PTRACE_PEEKUSR: {
- struct pt_regs *regs;
- unsigned long tmp;
-
- regs = task_pt_regs(child);
-
- tmp = 0; /* Default return value. */
- switch (addr) {
- case 0 ... 31:
- tmp = regs->regs[addr];
- break;
- case PC:
- tmp = regs->cp0_epc;
- break;
- case ECR:
- tmp = regs->cp0_ecr;
- break;
- case EMA:
- tmp = regs->cp0_ema;
- break;
- case CEH:
- tmp = regs->ceh;
- break;
- case CEL:
- tmp = regs->cel;
- break;
- case CONDITION:
- tmp = regs->cp0_condition;
- break;
- case PSR:
- tmp = regs->cp0_psr;
- break;
- case COUNTER:
- tmp = regs->sr0;
- break;
- case LDCR:
- tmp = regs->sr1;
- break;
- case STCR:
- tmp = regs->sr2;
- break;
- default:
- tmp = 0;
- return -EIO;
- }
-
- ret = put_user(tmp, (unsigned int __user *) datap);
- return ret;
- }
-
- case PTRACE_POKEUSR: {
- struct pt_regs *regs;
- ret = 0;
- regs = task_pt_regs(child);
-
- switch (addr) {
- case 0 ... 31:
- regs->regs[addr] = data;
- break;
- case PC:
- regs->cp0_epc = data;
- break;
- case CEH:
- regs->ceh = data;
- break;
- case CEL:
- regs->cel = data;
- break;
- case CONDITION:
- regs->cp0_condition = data;
- break;
- case PSR:
- case COUNTER:
- case STCR:
- case LDCR:
- break; /* user can't write the reg */
- default:
- /* The rest are not allowed. */
- ret = -EIO;
- break;
- }
- break;
- }
-
case PTRACE_GETREGS:
- ret = ptrace_getregs(child, (void __user *)datap);
+ ret = copy_regset_to_user(child, &user_score_native_view,
+ REGSET_GENERAL,
+ 0, sizeof(struct pt_regs),
+ (void __user *)datap);
break;
case PTRACE_SETREGS:
- ret = ptrace_setregs(child, (void __user *)datap);
+ ret = copy_regset_from_user(child, &user_score_native_view,
+ REGSET_GENERAL,
+ 0, sizeof(struct pt_regs),
+ (const void __user *)datap);
break;
default:
--
GitLab
From 125ec616f4f06565914123614e7287e9a490f2d9 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Sun, 30 Aug 2009 12:36:41 +0800
Subject: [PATCH 402/742] score: make init_thread_union align to THREAD_SIZE
---
arch/score/kernel/init_task.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/score/kernel/init_task.c b/arch/score/kernel/init_task.c
index 54d9552afd6a..ff952f6c63fd 100644
--- a/arch/score/kernel/init_task.c
+++ b/arch/score/kernel/init_task.c
@@ -35,7 +35,7 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
* "init_task" linker map entry..
*/
union thread_union init_thread_union
- __attribute__((__section__(".data.init_task"))) =
+ __attribute__((__section__(".data.init_task"), __aligned__(THREAD_SIZE))) =
{ INIT_THREAD_INFO(init_task) };
/*
--
GitLab
From e500011ffa191d662ac64d4ada6a5187b3180e16 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Sun, 30 Aug 2009 13:19:12 -0700
Subject: [PATCH 403/742] timers: Drop a function prototype
Drop prototype for non-existent next_timer_interrupt() function.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: akpm <akpm@linux-foundation.org>
LKML-Reference: <4A9ADEC0.70306@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/timer.h | 5 -----
1 file changed, 5 deletions(-)
diff --git a/include/linux/timer.h b/include/linux/timer.h
index be62ec2ebea5..a2d1eb6cb3f0 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -173,11 +173,6 @@ extern int mod_timer_pinned(struct timer_list *timer, unsigned long expires);
*/
#define NEXT_TIMER_MAX_DELTA ((1UL << 30) - 1)
-/*
- * Return when the next timer-wheel timeout occurs (in absolute jiffies),
- * locks the timer base:
- */
-extern unsigned long next_timer_interrupt(void);
/*
* Return when the next timer-wheel timeout occurs (in absolute jiffies),
* locks the timer base and does the comparison against the given
--
GitLab
From 2f6dafc5fcbf3fddce345c47da1f277a156fe22a Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 31 Aug 2009 13:47:06 +0900
Subject: [PATCH 404/742] sh: unwinder: Fix up uninitialized variable warnings
on sh2a build.
A couple of these popped up on the sh2a build, causing build failures.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/dwarf.h | 2 +-
arch/sh/kernel/dwarf.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h
index c367ed3373c5..ced6795891a6 100644
--- a/arch/sh/include/asm/dwarf.h
+++ b/arch/sh/include/asm/dwarf.h
@@ -200,7 +200,7 @@
*/
static __always_inline unsigned long dwarf_read_arch_reg(unsigned int reg)
{
- unsigned long value;
+ unsigned long value = 0;
switch (reg) {
case 14:
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 700f7e0fd658..bc4d8d75332b 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -887,7 +887,7 @@ static int __init dwarf_unwinder_init(void)
{
u32 entry_type;
void *p, *entry;
- int count, err;
+ int count, err = 0;
unsigned long len;
unsigned int c_entries, f_entries;
unsigned char *end;
--
GitLab
From 1279b7f1168ad6a2606191090f8a96eba64766a4 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 31 Aug 2009 15:15:33 +0900
Subject: [PATCH 405/742] sh: Fix up simplified multi-evt handling under
sparseirq.
This fixes up the simplified multi-evt handling when sparseirq support is
enabled. While vectors are redirected through the single unique masking
source, each one of the redirected vectors still requires its own backing
irq_desc, which needs to be manually allocated in the sparseirq case.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/sh/intc.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c
index a9174ec72853..559b5fe9dc0f 100644
--- a/drivers/sh/intc.c
+++ b/drivers/sh/intc.c
@@ -749,7 +749,7 @@ void __init register_intc_controller(struct intc_desc *desc)
irq_desc = irq_to_desc_alloc_node(irq, numa_node_id());
if (unlikely(!irq_desc)) {
- printk(KERN_INFO "can not get irq_desc for %d\n", irq);
+ pr_info("can't get irq_desc for %d\n", irq);
continue;
}
@@ -762,6 +762,17 @@ void __init register_intc_controller(struct intc_desc *desc)
if (vect->enum_id != vect2->enum_id)
continue;
+ /*
+ * In the case of multi-evt handling and sparse
+ * IRQ support, each vector still needs to have
+ * its own backing irq_desc.
+ */
+ irq_desc = irq_to_desc_alloc_node(irq2, numa_node_id());
+ if (unlikely(!irq_desc)) {
+ pr_info("can't get irq_desc for %d\n", irq2);
+ continue;
+ }
+
vect2->enum_id = 0;
/* redirect this interrupts to the first one */
--
GitLab
From b3f1b617f49447df6c3f5fac9c225aaea8b724ea Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 11:11:52 +0200
Subject: [PATCH 406/742] x86: Move get/find_smp_config to x86_init_ops
Replace the quirk machinery by a x86_init_ops function which defaults
to the standard implementation.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/mpspec.h | 37 ++++++++++++++++++++++++++-------
arch/x86/include/asm/setup.h | 2 --
arch/x86/include/asm/x86_init.h | 4 ++++
arch/x86/kernel/apic/numaq_32.c | 2 --
arch/x86/kernel/mpparse.c | 33 ++---------------------------
arch/x86/kernel/setup.c | 2 --
arch/x86/kernel/visws_quirks.c | 14 ++++---------
arch/x86/kernel/x86_init.c | 2 ++
8 files changed, 42 insertions(+), 54 deletions(-)
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index e3c579efde7a..79c94500c0bb 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -4,6 +4,7 @@
#include <linux/init.h>
#include <asm/mpspec_def.h>
+#include <asm/x86_init.h>
extern int apic_version[MAX_APICS];
extern int pic_mode;
@@ -41,9 +42,6 @@ extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
#endif /* CONFIG_X86_64 */
-extern void early_find_smp_config(void);
-extern void early_get_smp_config(void);
-
#if defined(CONFIG_MCA) || defined(CONFIG_EISA)
extern int mp_bus_id_to_type[MAX_MP_BUSSES];
#endif
@@ -52,14 +50,36 @@ extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
extern unsigned int boot_cpu_physical_apicid;
extern unsigned int max_physical_apicid;
-extern int smp_found_config;
extern int mpc_default_type;
extern unsigned long mp_lapic_addr;
-extern void get_smp_config(void);
+#ifdef CONFIG_X86_LOCAL_APIC
+extern int smp_found_config;
+#else
+# define smp_found_config 0
+#endif
+
+static inline void get_smp_config(void)
+{
+ x86_init.mpparse.get_smp_config(0);
+}
+
+static inline void early_get_smp_config(void)
+{
+ x86_init.mpparse.get_smp_config(1);
+}
+
+static inline void find_smp_config(void)
+{
+ x86_init.mpparse.find_smp_config(1);
+}
+
+static inline void early_find_smp_config(void)
+{
+ x86_init.mpparse.find_smp_config(0);
+}
#ifdef CONFIG_X86_MPPARSE
-extern void find_smp_config(void);
extern void early_reserve_e820_mpc_new(void);
extern int enable_update_mptable;
extern int default_mpc_apic_id(struct mpc_cpu *m);
@@ -69,13 +89,16 @@ extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
# else
# define default_mpc_oem_bus_info NULL
# endif
+extern void default_find_smp_config(unsigned int reserve);
+extern void default_get_smp_config(unsigned int early);
#else
-static inline void find_smp_config(void) { }
static inline void early_reserve_e820_mpc_new(void) { }
#define enable_update_mptable 0
#define default_mpc_apic_id NULL
#define default_smp_read_mpc_oem NULL
#define default_mpc_oem_bus_info NULL
+#define default_find_smp_config x86_init_uint_noop
+#define default_get_smp_config x86_init_uint_noop
#endif
void __cpuinit generic_processor_info(int apicid, int version);
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 6121a8ac7b06..345a2551af90 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -19,8 +19,6 @@ struct x86_quirks {
int (*arch_pre_intr_init)(void);
int (*arch_intr_init)(void);
int (*arch_trap_init)(void);
- int (*mach_get_smp_config)(unsigned int early);
- int (*mach_find_smp_config)(unsigned int reserve);
};
extern void x86_quirk_intr_init(void);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 2833a873a903..e0d4729c9054 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -13,6 +13,8 @@ struct mpc_table;
* @smp_read_mpc_oem: platform specific oem mpc table setup
* @mpc_oem_pci_bus: platform specific pci bus setup (default NULL)
* @mpc_oem_bus_info: platform specific mpc bus info
+ * @find_smp_config: find the smp configuration
+ * @get_smp_config: get the smp configuration
*/
struct x86_init_mpparse {
void (*mpc_record)(unsigned int mode);
@@ -21,6 +23,8 @@ struct x86_init_mpparse {
void (*smp_read_mpc_oem)(struct mpc_table *mpc);
void (*mpc_oem_pci_bus)(struct mpc_bus *m);
void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
+ void (*find_smp_config)(unsigned int reserve);
+ void (*get_smp_config)(unsigned int early);
};
/**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 700273dca684..3dd5fd765341 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -268,8 +268,6 @@ static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_pre_intr_init = NULL,
.arch_intr_init = NULL,
.arch_trap_init = NULL,
- .mach_get_smp_config = NULL,
- .mach_find_smp_config = NULL,
};
static __init void early_check_numaq(void)
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index a42f23f1dc7e..75357647b6ec 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -610,7 +610,7 @@ static int __init check_physptr(struct mpf_intel *mpf, unsigned int early)
/*
* Scan the memory blocks for an SMP configuration block.
*/
-static void __init __get_smp_config(unsigned int early)
+void __init default_get_smp_config(unsigned int early)
{
struct mpf_intel *mpf = mpf_found;
@@ -627,11 +627,6 @@ static void __init __get_smp_config(unsigned int early)
if (acpi_lapic && acpi_ioapic)
return;
- if (x86_quirks->mach_get_smp_config) {
- if (x86_quirks->mach_get_smp_config(early))
- return;
- }
-
printk(KERN_INFO "Intel MultiProcessor Specification v1.%d\n",
mpf->specification);
#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_32)
@@ -672,16 +667,6 @@ static void __init __get_smp_config(unsigned int early)
*/
}
-void __init early_get_smp_config(void)
-{
- __get_smp_config(1);
-}
-
-void __init get_smp_config(void)
-{
- __get_smp_config(0);
-}
-
static void __init smp_reserve_bootmem(struct mpf_intel *mpf)
{
unsigned long size = get_mpc_size(mpf->physptr);
@@ -747,14 +732,10 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
return 0;
}
-static void __init __find_smp_config(unsigned int reserve)
+void __init default_find_smp_config(unsigned int reserve)
{
unsigned int address;
- if (x86_quirks->mach_find_smp_config) {
- if (x86_quirks->mach_find_smp_config(reserve))
- return;
- }
/*
* FIXME: Linux assumes you have 640K of base ram..
* this continues the error...
@@ -789,16 +770,6 @@ static void __init __find_smp_config(unsigned int reserve)
smp_scan_config(address, 0x400, reserve);
}
-void __init early_find_smp_config(void)
-{
- __find_smp_config(0);
-}
-
-void __init find_smp_config(void)
-{
- __find_smp_config(1);
-}
-
#ifdef CONFIG_X86_IO_APIC
static u8 __initdata irq_used[MAX_IRQ_SOURCES];
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index c2a8090e8312..54043cb7ba68 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -981,13 +981,11 @@ void __init setup_arch(char **cmdline_p)
*/
acpi_boot_init();
-#if defined(CONFIG_X86_MPPARSE) || defined(CONFIG_X86_VISWS)
/*
* get boot-time SMP configuration:
*/
if (smp_found_config)
get_smp_config();
-#endif
prefill_possible_map();
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 97c670df1aed..31e828118f8e 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -156,12 +156,8 @@ static void visws_machine_power_off(void)
outl(PIIX_SPECIAL_STOP, 0xCFC);
}
-static int __init visws_get_smp_config(unsigned int early)
+static void __init visws_get_smp_config(unsigned int early)
{
- /*
- * Prevent MP-table parsing by the generic code:
- */
- return 1;
}
/*
@@ -208,7 +204,7 @@ static void __init MP_processor_info(struct mpc_cpu *m)
apic_version[m->apicid] = ver;
}
-static int __init visws_find_smp_config(unsigned int reserve)
+static void __init visws_find_smp_config(unsigned int reserve)
{
struct mpc_cpu *mp = phys_to_virt(CO_CPU_TAB_PHYS);
unsigned short ncpus = readw(phys_to_virt(CO_CPU_NUM_PHYS));
@@ -230,8 +226,6 @@ static int __init visws_find_smp_config(unsigned int reserve)
MP_processor_info(mp++);
mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
-
- return 1;
}
static int visws_trap_init(void);
@@ -241,8 +235,6 @@ static struct x86_quirks visws_x86_quirks __initdata = {
.arch_pre_intr_init = visws_pre_intr_init,
.arch_intr_init = NULL,
.arch_trap_init = visws_trap_init,
- .mach_get_smp_config = visws_get_smp_config,
- .mach_find_smp_config = visws_find_smp_config,
};
void __init visws_early_detect(void)
@@ -263,6 +255,8 @@ void __init visws_early_detect(void)
x86_quirks = &visws_x86_quirks;
x86_init.resources.memory_setup = visws_memory_setup;
+ x86_init.mpparse.get_smp_config = visws_get_smp_config;
+ x86_init.mpparse.find_smp_config = visws_find_smp_config;
/*
* Install reboot quirks:
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 27685edc5460..3488fb62ac03 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -32,5 +32,7 @@ struct __initdata x86_init_ops x86_init = {
.mpc_apic_id = default_mpc_apic_id,
.smp_read_mpc_oem = default_smp_read_mpc_oem,
.mpc_oem_bus_info = default_mpc_oem_bus_info,
+ .find_smp_config = default_find_smp_config,
+ .get_smp_config = default_get_smp_config,
},
};
--
GitLab
From d9112f43021554ded2ef2b9bea5f88ba4b52abe0 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 09:41:38 +0200
Subject: [PATCH 407/742] x86: Move pre_intr_init to x86_init_ops
Replace the quirk machinery by a x86_init_ops function which
defaults to the standard implementation. This is also a preparatory
patch for Moorestown support which needs to replace the default
init_ISA_irqs as well.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/irq.h | 2 ++
arch/x86/include/asm/setup.h | 1 -
arch/x86/include/asm/x86_init.h | 10 ++++++++++
arch/x86/kernel/apic/numaq_32.c | 1 -
arch/x86/kernel/irqinit.c | 24 ++----------------------
arch/x86/kernel/visws_quirks.c | 10 +++-------
arch/x86/kernel/x86_init.c | 5 +++++
7 files changed, 22 insertions(+), 31 deletions(-)
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index f38481bcd455..8fe2782a2537 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -47,4 +47,6 @@ extern unsigned int do_IRQ(struct pt_regs *regs);
extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
extern int vector_used_by_percpu_irq(unsigned int vector);
+extern void init_ISA_irqs(void);
+
#endif /* _ASM_X86_IRQ_H */
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 345a2551af90..66a319709d66 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -16,7 +16,6 @@
struct x86_quirks {
int (*arch_pre_time_init)(void);
int (*arch_time_init)(void);
- int (*arch_pre_intr_init)(void);
int (*arch_intr_init)(void);
int (*arch_trap_init)(void);
};
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index e0d4729c9054..65e3394c77fd 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -43,6 +43,15 @@ struct x86_init_resources {
char *(*memory_setup)(void);
};
+/**
+ * struct x86_init_irqs - platform specific interrupt setup
+ * @pre_vector_init: init code to run before interrupt vectors
+ * are set up.
+ */
+struct x86_init_irqs {
+ void (*pre_vector_init)(void);
+};
+
/**
* struct x86_init_ops - functions for platform specific setup
*
@@ -50,6 +59,7 @@ struct x86_init_resources {
struct x86_init_ops {
struct x86_init_resources resources;
struct x86_init_mpparse mpparse;
+ struct x86_init_irqs irqs;
};
extern struct x86_init_ops x86_init;
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 3dd5fd765341..ec8b3113716d 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -265,7 +265,6 @@ static void __init smp_read_mpc_oem(struct mpc_table *mpc)
static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_pre_time_init = numaq_pre_time_init,
.arch_time_init = NULL,
- .arch_pre_intr_init = NULL,
.arch_intr_init = NULL,
.arch_trap_init = NULL,
};
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index 92b7703d3d58..acdf088c7583 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -116,7 +116,7 @@ int vector_used_by_percpu_irq(unsigned int vector)
return 0;
}
-static void __init init_ISA_irqs(void)
+void __init init_ISA_irqs(void)
{
int i;
@@ -213,32 +213,12 @@ static void __init apic_intr_init(void)
#endif
}
-/**
- * x86_quirk_pre_intr_init - initialisation prior to setting up interrupt vectors
- *
- * Description:
- * Perform any necessary interrupt initialisation prior to setting up
- * the "ordinary" interrupt call gates. For legacy reasons, the ISA
- * interrupts should be initialised here if the machine emulates a PC
- * in any way.
- **/
-static void __init x86_quirk_pre_intr_init(void)
-{
-#ifdef CONFIG_X86_32
- if (x86_quirks->arch_pre_intr_init) {
- if (x86_quirks->arch_pre_intr_init())
- return;
- }
-#endif
- init_ISA_irqs();
-}
-
void __init native_init_IRQ(void)
{
int i;
/* Execute any quirks before the call gates are initialised: */
- x86_quirk_pre_intr_init();
+ x86_init.irqs.pre_vector_init();
apic_intr_init();
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 31e828118f8e..1d6309d70dfa 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -73,14 +73,10 @@ static int __init visws_time_init(void)
return 0;
}
-static int __init visws_pre_intr_init(void)
+/* Replaces the default init_ISA_irqs in the generic setup */
+static void __init visws_pre_intr_init(void)
{
init_VISWS_APIC_irqs();
-
- /*
- * We dont want ISA irqs to be set up by the generic code:
- */
- return 1;
}
/* Quirk for machine specific memory setup. */
@@ -232,7 +228,6 @@ static int visws_trap_init(void);
static struct x86_quirks visws_x86_quirks __initdata = {
.arch_time_init = visws_time_init,
- .arch_pre_intr_init = visws_pre_intr_init,
.arch_intr_init = NULL,
.arch_trap_init = visws_trap_init,
};
@@ -257,6 +252,7 @@ void __init visws_early_detect(void)
x86_init.resources.memory_setup = visws_memory_setup;
x86_init.mpparse.get_smp_config = visws_get_smp_config;
x86_init.mpparse.find_smp_config = visws_find_smp_config;
+ x86_init.irqs.pre_vector_init = visws_pre_intr_init;
/*
* Install reboot quirks:
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 3488fb62ac03..f2abe2136da1 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -9,6 +9,7 @@
#include <asm/mpspec.h>
#include <asm/setup.h>
#include <asm/e820.h>
+#include <asm/irq.h>
void __cpuinit x86_init_noop(void) { }
void __init x86_init_uint_noop(unsigned int unused) { }
@@ -35,4 +36,8 @@ struct __initdata x86_init_ops x86_init = {
.find_smp_config = default_find_smp_config,
.get_smp_config = default_get_smp_config,
},
+
+ .irqs = {
+ .pre_vector_init = init_ISA_irqs,
+ },
};
--
GitLab
From 66bcaf0bde100a4b54b82fc6fea6ceee2212ffb4 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 09:59:09 +0200
Subject: [PATCH 408/742] x86: Move irq_init to x86_init_ops
irq_init is overridden by x86_quirks and by paravirts. Unify the whole
mess and make it an unconditional x86_init_ops function which defaults
to the standard function and can be overridden by the early platform
code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/irq.h | 1 -
arch/x86/include/asm/paravirt_types.h | 2 --
arch/x86/include/asm/setup.h | 3 ---
arch/x86/include/asm/x86_init.h | 2 ++
arch/x86/kernel/apic/numaq_32.c | 1 -
arch/x86/kernel/irqinit.c | 12 ++++--------
arch/x86/kernel/paravirt.c | 6 ------
arch/x86/kernel/setup.c | 17 -----------------
arch/x86/kernel/visws_quirks.c | 1 -
arch/x86/kernel/x86_init.c | 1 +
arch/x86/lguest/boot.c | 2 +-
arch/x86/xen/irq.c | 5 +++--
12 files changed, 11 insertions(+), 42 deletions(-)
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index 8fe2782a2537..ddda6cbed6f4 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -37,7 +37,6 @@ extern void fixup_irqs(void);
#endif
extern void (*generic_interrupt_extension)(void);
-extern void init_IRQ(void);
extern void native_init_IRQ(void);
extern bool handle_irq(unsigned irq, struct pt_regs *regs);
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 6d668968b6b8..25922afb6347 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -201,8 +201,6 @@ struct pv_cpu_ops {
};
struct pv_irq_ops {
- void (*init_IRQ)(void);
-
/*
* Get/set interrupt state. save_fl and restore_fl are only
* expected to use X86_EFLAGS_IF; all other bits
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 66a319709d66..404086f9411c 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -16,12 +16,9 @@
struct x86_quirks {
int (*arch_pre_time_init)(void);
int (*arch_time_init)(void);
- int (*arch_intr_init)(void);
int (*arch_trap_init)(void);
};
-extern void x86_quirk_intr_init(void);
-
extern void x86_quirk_trap_init(void);
extern void x86_quirk_pre_time_init(void);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 65e3394c77fd..8d7be65ccf7f 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -47,9 +47,11 @@ struct x86_init_resources {
* struct x86_init_irqs - platform specific interrupt setup
* @pre_vector_init: init code to run before interrupt vectors
* are set up.
+ * @intr_init: interrupt init code
*/
struct x86_init_irqs {
void (*pre_vector_init)(void);
+ void (*intr_init)(void);
};
/**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index ec8b3113716d..eafd341e42dd 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -265,7 +265,6 @@ static void __init smp_read_mpc_oem(struct mpc_table *mpc)
static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_pre_time_init = numaq_pre_time_init,
.arch_time_init = NULL,
- .arch_intr_init = NULL,
.arch_trap_init = NULL,
};
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index acdf088c7583..e0142cda2394 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -140,8 +140,10 @@ void __init init_ISA_irqs(void)
}
}
-/* Overridden in paravirt.c */
-void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
+void init_IRQ(void)
+{
+ x86_init.irqs.intr_init();
+}
static void __init smp_intr_init(void)
{
@@ -237,12 +239,6 @@ void __init native_init_IRQ(void)
setup_irq(2, &irq2);
#ifdef CONFIG_X86_32
- /*
- * Call quirks after call gates are initialised (usually add in
- * the architecture specific gates):
- */
- x86_quirk_intr_init();
-
/*
* External FPU? Set up irq13 if so, for
* original braindamaged IBM FERR coupling.
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 532c9a2626c7..d76bfbec71ae 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -183,11 +183,6 @@ unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
return insn_len;
}
-void init_IRQ(void)
-{
- pv_irq_ops.init_IRQ();
-}
-
static void native_flush_tlb(void)
{
__native_flush_tlb();
@@ -328,7 +323,6 @@ struct pv_time_ops pv_time_ops = {
};
struct pv_irq_ops pv_irq_ops = {
- .init_IRQ = native_init_IRQ,
.save_fl = __PV_IS_CALLEE_SAVE(native_save_fl),
.restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl),
.irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable),
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 54043cb7ba68..d3da0f7333f7 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1020,23 +1020,6 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_X86_32
-/**
- * x86_quirk_intr_init - post gate setup interrupt initialisation
- *
- * Description:
- * Fill in any interrupts that may have been left out by the general
- * init_IRQ() routine. interrupts having to do with the machine rather
- * than the devices on the I/O bus (like APIC interrupts in intel MP
- * systems) are started here.
- **/
-void __init x86_quirk_intr_init(void)
-{
- if (x86_quirks->arch_intr_init) {
- if (x86_quirks->arch_intr_init())
- return;
- }
-}
-
/**
* x86_quirk_trap_init - initialise system specific traps
*
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 1d6309d70dfa..a49013716da9 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -228,7 +228,6 @@ static int visws_trap_init(void);
static struct x86_quirks visws_x86_quirks __initdata = {
.arch_time_init = visws_time_init,
- .arch_intr_init = NULL,
.arch_trap_init = visws_trap_init,
};
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index f2abe2136da1..8cb59332e3b4 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -39,5 +39,6 @@ struct __initdata x86_init_ops x86_init = {
.irqs = {
.pre_vector_init = init_ISA_irqs,
+ .intr_init = native_init_IRQ,
},
};
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 11445c176de6..1ff986511f1d 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1262,7 +1262,6 @@ __init void lguest_init(void)
*/
/* Interrupt-related operations */
- pv_irq_ops.init_IRQ = lguest_init_IRQ;
pv_irq_ops.save_fl = PV_CALLEE_SAVE(save_fl);
pv_irq_ops.restore_fl = __PV_IS_CALLEE_SAVE(lg_restore_fl);
pv_irq_ops.irq_disable = PV_CALLEE_SAVE(irq_disable);
@@ -1325,6 +1324,7 @@ __init void lguest_init(void)
pv_time_ops.get_tsc_khz = lguest_tsc_khz;
x86_init.resources.memory_setup = lguest_memory_setup;
+ x86_init.irqs.intr_init = lguest_init_IRQ;
/*
* Now is a good time to look at the implementations of these functions
diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c
index cfd17799bd6d..9d30105a0c4a 100644
--- a/arch/x86/xen/irq.c
+++ b/arch/x86/xen/irq.c
@@ -1,5 +1,7 @@
#include <linux/hardirq.h>
+#include <asm/x86_init.h>
+
#include <xen/interface/xen.h>
#include <xen/interface/sched.h>
#include <xen/interface/vcpu.h>
@@ -112,8 +114,6 @@ static void xen_halt(void)
}
static const struct pv_irq_ops xen_irq_ops __initdata = {
- .init_IRQ = xen_init_IRQ,
-
.save_fl = PV_CALLEE_SAVE(xen_save_fl),
.restore_fl = PV_CALLEE_SAVE(xen_restore_fl),
.irq_disable = PV_CALLEE_SAVE(xen_irq_disable),
@@ -129,4 +129,5 @@ static const struct pv_irq_ops xen_irq_ops __initdata = {
void __init xen_init_irq_ops()
{
pv_irq_ops = xen_irq_ops;
+ x86_init.irqs.intr_init = xen_init_IRQ;
}
--
GitLab
From 428cf9025b15573e16e658032f2b963283e34ae0 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 10:35:46 +0200
Subject: [PATCH 409/742] x86: Move traps_init to x86_init_ops
Replace the quirks by a simple x86_init_ops function.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/setup.h | 3 ---
arch/x86/include/asm/x86_init.h | 2 ++
arch/x86/kernel/apic/numaq_32.c | 1 -
arch/x86/kernel/setup.c | 15 ---------------
arch/x86/kernel/traps.c | 5 ++---
arch/x86/kernel/visws_quirks.c | 8 +++-----
arch/x86/kernel/x86_init.c | 1 +
7 files changed, 8 insertions(+), 27 deletions(-)
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 404086f9411c..7751d1f92bc9 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -16,11 +16,8 @@
struct x86_quirks {
int (*arch_pre_time_init)(void);
int (*arch_time_init)(void);
- int (*arch_trap_init)(void);
};
-extern void x86_quirk_trap_init(void);
-
extern void x86_quirk_pre_time_init(void);
extern void x86_quirk_time_init(void);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 8d7be65ccf7f..07c37bd879f8 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -48,10 +48,12 @@ struct x86_init_resources {
* @pre_vector_init: init code to run before interrupt vectors
* are set up.
* @intr_init: interrupt init code
+ * @trap_init: platform specific trap setup
*/
struct x86_init_irqs {
void (*pre_vector_init)(void);
void (*intr_init)(void);
+ void (*trap_init)(void);
};
/**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index eafd341e42dd..71c5ea645865 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -265,7 +265,6 @@ static void __init smp_read_mpc_oem(struct mpc_table *mpc)
static struct x86_quirks numaq_x86_quirks __initdata = {
.arch_pre_time_init = numaq_pre_time_init,
.arch_time_init = NULL,
- .arch_trap_init = NULL,
};
static __init void early_check_numaq(void)
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index d3da0f7333f7..bf3b87f1f7db 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1020,21 +1020,6 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_X86_32
-/**
- * x86_quirk_trap_init - initialise system specific traps
- *
- * Description:
- * Called as the final act of trap_init(). Used in VISWS to initialise
- * the various board specific APIC traps.
- **/
-void __init x86_quirk_trap_init(void)
-{
- if (x86_quirks->arch_trap_init) {
- if (x86_quirks->arch_trap_init())
- return;
- }
-}
-
static struct irqaction irq0 = {
.handler = timer_interrupt,
.flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 7e4b1f5dec8e..ed96ed53f69e 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -59,6 +59,7 @@
#include <asm/mach_traps.h>
#ifdef CONFIG_X86_64
+#include <asm/x86_init.h>
#include <asm/pgalloc.h>
#include <asm/proto.h>
#else
@@ -980,7 +981,5 @@ void __init trap_init(void)
*/
cpu_init();
-#ifdef CONFIG_X86_32
- x86_quirk_trap_init();
-#endif
+ x86_init.irqs.trap_init();
}
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index a49013716da9..2719091b3351 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -224,11 +224,10 @@ static void __init visws_find_smp_config(unsigned int reserve)
mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
}
-static int visws_trap_init(void);
+static void visws_trap_init(void);
static struct x86_quirks visws_x86_quirks __initdata = {
.arch_time_init = visws_time_init,
- .arch_trap_init = visws_trap_init,
};
void __init visws_early_detect(void)
@@ -252,6 +251,7 @@ void __init visws_early_detect(void)
x86_init.mpparse.get_smp_config = visws_get_smp_config;
x86_init.mpparse.find_smp_config = visws_find_smp_config;
x86_init.irqs.pre_vector_init = visws_pre_intr_init;
+ x86_init.irqs.trap_init = visws_trap_init;
/*
* Install reboot quirks:
@@ -390,12 +390,10 @@ static __init void cobalt_init(void)
co_apic_read(CO_APIC_ID));
}
-static int __init visws_trap_init(void)
+static void __init visws_trap_init(void)
{
lithium_init();
cobalt_init();
-
- return 1;
}
/*
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 8cb59332e3b4..9f2b775dc728 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -40,5 +40,6 @@ struct __initdata x86_init_ops x86_init = {
.irqs = {
.pre_vector_init = init_ISA_irqs,
.intr_init = native_init_IRQ,
+ .trap_init = x86_init_noop,
},
};
--
GitLab
From 42bbdb43b16d233b2dacb4cd76e28f61c2a86dc6 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 13:04:10 +0200
Subject: [PATCH 410/742] x86: Replace ARCH_SETUP by a proper x86_init_ops
ARCH_SETUP is a horrible leftover from the old arch/i386 mach support
code. It still has a lonely user in xen. Move it to x86_init_ops.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/paravirt.h | 1 -
arch/x86/include/asm/paravirt_types.h | 1 -
arch/x86/include/asm/x86_init.h | 9 +++++++++
arch/x86/kernel/paravirt.c | 1 -
arch/x86/kernel/setup.c | 6 +-----
arch/x86/kernel/x86_init.c | 4 ++++
arch/x86/xen/enlighten.c | 2 +-
7 files changed, 15 insertions(+), 9 deletions(-)
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 6a07af432c81..22cb3872f6d1 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -24,7 +24,6 @@ static inline void load_sp0(struct tss_struct *tss,
PVOP_VCALL2(pv_cpu_ops.load_sp0, tss, thread);
}
-#define ARCH_SETUP pv_init_ops.arch_setup();
static inline unsigned long get_wallclock(void)
{
return PVOP_CALL0(unsigned long, pv_time_ops.get_wallclock);
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 25922afb6347..a05085e5fdbb 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -80,7 +80,6 @@ struct pv_init_ops {
unsigned long addr, unsigned len);
/* Basic arch-specific setup */
- void (*arch_setup)(void);
void (*post_allocator_init)(void);
/* Print a banner to identify the environment */
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 07c37bd879f8..ceffbf358fc0 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -56,6 +56,14 @@ struct x86_init_irqs {
void (*trap_init)(void);
};
+/**
+ * struct x86_init_oem - oem platform specific customizing functions
+ * @arch_setup: platform specific architecure setup
+ */
+struct x86_init_oem {
+ void (*arch_setup)(void);
+};
+
/**
* struct x86_init_ops - functions for platform specific setup
*
@@ -64,6 +72,7 @@ struct x86_init_ops {
struct x86_init_resources resources;
struct x86_init_mpparse mpparse;
struct x86_init_irqs irqs;
+ struct x86_init_oem oem;
};
extern struct x86_init_ops x86_init;
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index d76bfbec71ae..80275ef1651a 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -311,7 +311,6 @@ struct pv_info pv_info = {
struct pv_init_ops pv_init_ops = {
.patch = native_patch,
.banner = default_banner,
- .arch_setup = paravirt_nop,
};
struct pv_time_ops pv_time_ops = {
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index bf3b87f1f7db..d12aa82c9c32 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -108,10 +108,6 @@
#include <asm/numa_64.h>
#endif
-#ifndef ARCH_SETUP
-#define ARCH_SETUP
-#endif
-
/*
* end_pfn only includes RAM, while max_pfn_mapped includes all e820 entries.
* The direct mapping extends to max_pfn_mapped, so that we can directly access
@@ -750,7 +746,7 @@ void __init setup_arch(char **cmdline_p)
}
#endif
- ARCH_SETUP
+ x86_init.oem.arch_setup();
setup_memory_map();
parse_setup_data();
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 9f2b775dc728..fa2d849be35a 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -42,4 +42,8 @@ struct __initdata x86_init_ops x86_init = {
.intr_init = native_init_IRQ,
.trap_init = x86_init_noop,
},
+
+ .oem = {
+ .arch_setup = x86_init_noop,
+ },
};
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 50b20c64f0bd..73c7b1d610f3 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -841,7 +841,6 @@ static const struct pv_init_ops xen_init_ops __initdata = {
.patch = xen_patch,
.banner = xen_banner,
- .arch_setup = xen_arch_setup,
.post_allocator_init = xen_post_allocator_init,
};
@@ -982,6 +981,7 @@ asmlinkage void __init xen_start_kernel(void)
pv_mmu_ops = xen_mmu_ops;
x86_init.resources.memory_setup = xen_memory_setup;
+ x86_init.oem.arch_setup = xen_arch_setup;
#ifdef CONFIG_X86_64
/*
--
GitLab
From 6f30c1ac3fcf11e08f00670f293546a112cdf4e3 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 13:19:57 +0200
Subject: [PATCH 411/742] x86: Move paravirt banner printout to x86_init_ops
Replace another obscure paravirt magic and move it to
x86_init_ops. Such a hook is also useful for embedded and special
hardware.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/paravirt.h | 6 +++++-
arch/x86/include/asm/paravirt_types.h | 3 ---
arch/x86/include/asm/x86_init.h | 2 ++
arch/x86/kernel/paravirt.c | 10 +---------
arch/x86/kernel/setup.c | 1 +
arch/x86/kernel/x86_init.c | 2 ++
arch/x86/xen/enlighten.c | 2 +-
7 files changed, 12 insertions(+), 14 deletions(-)
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 22cb3872f6d1..3de6435a106a 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -918,6 +918,8 @@ static inline unsigned long __raw_local_irq_save(void)
#undef PVOP_VCALL4
#undef PVOP_CALL4
+extern void default_banner(void);
+
#else /* __ASSEMBLY__ */
#define _PVSITE(ptype, clobbers, ops, word, algn) \
@@ -1058,5 +1060,7 @@ static inline unsigned long __raw_local_irq_save(void)
#endif /* CONFIG_X86_32 */
#endif /* __ASSEMBLY__ */
-#endif /* CONFIG_PARAVIRT */
+#else /* CONFIG_PARAVIRT */
+# define default_banner x86_init_noop
+#endif /* !CONFIG_PARAVIRT */
#endif /* _ASM_X86_PARAVIRT_H */
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index a05085e5fdbb..ce7723c81a1e 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -81,9 +81,6 @@ struct pv_init_ops {
/* Basic arch-specific setup */
void (*post_allocator_init)(void);
-
- /* Print a banner to identify the environment */
- void (*banner)(void);
};
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index ceffbf358fc0..ee7c59df7814 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -59,9 +59,11 @@ struct x86_init_irqs {
/**
* struct x86_init_oem - oem platform specific customizing functions
* @arch_setup: platform specific architecure setup
+ * @banner: print a platform specific banner
*/
struct x86_init_oem {
void (*arch_setup)(void);
+ void (*banner)(void);
};
/**
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 80275ef1651a..f7a5fb79d18a 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -54,7 +54,7 @@ u64 _paravirt_ident_64(u64 x)
return x;
}
-static void __init default_banner(void)
+void __init default_banner(void)
{
printk(KERN_INFO "Booting paravirtualized kernel on %s\n",
pv_info.name);
@@ -208,13 +208,6 @@ extern void native_irq_enable_sysexit(void);
extern void native_usergs_sysret32(void);
extern void native_usergs_sysret64(void);
-static int __init print_banner(void)
-{
- pv_init_ops.banner();
- return 0;
-}
-core_initcall(print_banner);
-
static struct resource reserve_ioports = {
.start = 0,
.end = IO_SPACE_LIMIT,
@@ -310,7 +303,6 @@ struct pv_info pv_info = {
struct pv_init_ops pv_init_ops = {
.patch = native_patch,
- .banner = default_banner,
};
struct pv_time_ops pv_time_ops = {
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index d12aa82c9c32..bc5f0e561cfd 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1012,6 +1012,7 @@ void __init setup_arch(char **cmdline_p)
conswitchp = &dummy_con;
#endif
#endif
+ x86_init.oem.banner();
}
#ifdef CONFIG_X86_32
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index fa2d849be35a..08fea49d59a2 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -6,6 +6,7 @@
#include <linux/init.h>
#include <asm/bios_ebda.h>
+#include <asm/paravirt.h>
#include <asm/mpspec.h>
#include <asm/setup.h>
#include <asm/e820.h>
@@ -45,5 +46,6 @@ struct __initdata x86_init_ops x86_init = {
.oem = {
.arch_setup = x86_init_noop,
+ .banner = default_banner,
},
};
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 73c7b1d610f3..46e23cde143a 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -840,7 +840,6 @@ static const struct pv_info xen_info __initdata = {
static const struct pv_init_ops xen_init_ops __initdata = {
.patch = xen_patch,
- .banner = xen_banner,
.post_allocator_init = xen_post_allocator_init,
};
@@ -982,6 +981,7 @@ asmlinkage void __init xen_start_kernel(void)
x86_init.resources.memory_setup = xen_memory_setup;
x86_init.oem.arch_setup = xen_arch_setup;
+ x86_init.oem.banner = xen_banner;
#ifdef CONFIG_X86_64
/*
--
GitLab
From 030cb6c00d242c20e92a3327d0cac17ce02d0cc3 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 14:30:02 +0200
Subject: [PATCH 412/742] x86: Move paravirt pagetable_setup to x86_init_ops
Replace more paravirt hackery by proper x86_init_ops.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/paravirt.h | 10 ----------
arch/x86/include/asm/paravirt_types.h | 9 ---------
arch/x86/include/asm/pgtable.h | 10 ----------
arch/x86/include/asm/pgtable_types.h | 4 ++--
arch/x86/include/asm/x86_init.h | 13 +++++++++++++
arch/x86/kernel/paravirt.c | 7 -------
arch/x86/kernel/setup.c | 4 ++--
arch/x86/kernel/x86_init.c | 6 ++++++
arch/x86/xen/enlighten.c | 2 +-
arch/x86/xen/mmu.c | 11 +++++++----
arch/x86/xen/mmu.h | 2 +-
11 files changed, 32 insertions(+), 46 deletions(-)
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 3de6435a106a..1caf25b91e6b 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -351,16 +351,6 @@ static inline void paravirt_post_allocator_init(void)
(*pv_init_ops.post_allocator_init)();
}
-static inline void paravirt_pagetable_setup_start(pgd_t *base)
-{
- (*pv_mmu_ops.pagetable_setup_start)(base);
-}
-
-static inline void paravirt_pagetable_setup_done(pgd_t *base)
-{
- (*pv_mmu_ops.pagetable_setup_done)(base);
-}
-
#ifdef CONFIG_SMP
static inline void startup_ipi_hook(int phys_apicid, unsigned long start_eip,
unsigned long start_esp)
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index ce7723c81a1e..4039eefd3ebc 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -231,15 +231,6 @@ struct pv_apic_ops {
};
struct pv_mmu_ops {
- /*
- * Called before/after init_mm pagetable setup. setup_start
- * may reset %cr3, and may pre-install parts of the pagetable;
- * pagetable setup is expected to preserve any existing
- * mapping.
- */
- void (*pagetable_setup_start)(pgd_t *pgd_base);
- void (*pagetable_setup_done)(pgd_t *pgd_base);
-
unsigned long (*read_cr2)(void);
void (*write_cr2)(unsigned long);
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 16748077559a..60d422adf706 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -56,16 +56,6 @@ extern struct list_head pgd_list;
#define pte_update(mm, addr, ptep) do { } while (0)
#define pte_update_defer(mm, addr, ptep) do { } while (0)
-static inline void __init paravirt_pagetable_setup_start(pgd_t *base)
-{
- native_pagetable_setup_start(base);
-}
-
-static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
-{
- native_pagetable_setup_done(base);
-}
-
#define pgd_val(x) native_pgd_val(x)
#define __pgd(x) native_make_pgd(x)
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index 54cb697f4900..7b467bf3c680 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -299,8 +299,8 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pte);
extern void native_pagetable_setup_start(pgd_t *base);
extern void native_pagetable_setup_done(pgd_t *base);
#else
-static inline void native_pagetable_setup_start(pgd_t *base) {}
-static inline void native_pagetable_setup_done(pgd_t *base) {}
+#define native_pagetable_setup_start x86_init_pgd_noop
+#define native_pagetable_setup_done x86_init_pgd_noop
#endif
struct seq_file;
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index ee7c59df7814..b9bb4faefc48 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -1,6 +1,8 @@
#ifndef _ASM_X86_PLATFORM_H
#define _ASM_X86_PLATFORM_H
+#include <asm/pgtable_types.h>
+
struct mpc_bus;
struct mpc_cpu;
struct mpc_table;
@@ -66,6 +68,16 @@ struct x86_init_oem {
void (*banner)(void);
};
+/**
+ * struct x86_init_paging - platform specific paging functions
+ * @pagetable_setup_start: platform specific pre paging_init() call
+ * @pagetable_setup_done: platform specific post paging_init() call
+ */
+struct x86_init_paging {
+ void (*pagetable_setup_start)(pgd_t *base);
+ void (*pagetable_setup_done)(pgd_t *base);
+};
+
/**
* struct x86_init_ops - functions for platform specific setup
*
@@ -75,6 +87,7 @@ struct x86_init_ops {
struct x86_init_mpparse mpparse;
struct x86_init_irqs irqs;
struct x86_init_oem oem;
+ struct x86_init_paging paging;
};
extern struct x86_init_ops x86_init;
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index f7a5fb79d18a..8167be0b68ca 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -402,13 +402,6 @@ struct pv_apic_ops pv_apic_ops = {
#endif
struct pv_mmu_ops pv_mmu_ops = {
-#ifndef CONFIG_X86_64
- .pagetable_setup_start = native_pagetable_setup_start,
- .pagetable_setup_done = native_pagetable_setup_done,
-#else
- .pagetable_setup_start = paravirt_nop,
- .pagetable_setup_done = paravirt_nop,
-#endif
.read_cr2 = native_read_cr2,
.write_cr2 = native_write_cr2,
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index bc5f0e561cfd..4952d63dd67a 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -959,9 +959,9 @@ void __init setup_arch(char **cmdline_p)
kvmclock_init();
#endif
- paravirt_pagetable_setup_start(swapper_pg_dir);
+ x86_init.paging.pagetable_setup_start(swapper_pg_dir);
paging_init();
- paravirt_pagetable_setup_done(swapper_pg_dir);
+ x86_init.paging.pagetable_setup_done(swapper_pg_dir);
paravirt_post_allocator_init();
#ifdef CONFIG_X86_64
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 08fea49d59a2..7df020e6740d 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -14,6 +14,7 @@
void __cpuinit x86_init_noop(void) { }
void __init x86_init_uint_noop(unsigned int unused) { }
+void __init x86_init_pgd_noop(pgd_t *unused) { }
/*
* The platform setup functions are preset with the default functions
@@ -48,4 +49,9 @@ struct __initdata x86_init_ops x86_init = {
.arch_setup = x86_init_noop,
.banner = default_banner,
},
+
+ .paging = {
+ .pagetable_setup_start = native_pagetable_setup_start,
+ .pagetable_setup_done = native_pagetable_setup_done,
+ },
};
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 46e23cde143a..12ea09ec39b5 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -977,7 +977,6 @@ asmlinkage void __init xen_start_kernel(void)
pv_time_ops = xen_time_ops;
pv_cpu_ops = xen_cpu_ops;
pv_apic_ops = xen_apic_ops;
- pv_mmu_ops = xen_mmu_ops;
x86_init.resources.memory_setup = xen_memory_setup;
x86_init.oem.arch_setup = xen_arch_setup;
@@ -991,6 +990,7 @@ asmlinkage void __init xen_start_kernel(void)
load_percpu_segment(0);
#endif
+ xen_init_mmu_ops();
xen_init_irq_ops();
xen_init_cpuid_mask();
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 4ceb28581652..dbec51da930e 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1875,10 +1875,7 @@ static void xen_leave_lazy_mmu(void)
preempt_enable();
}
-const struct pv_mmu_ops xen_mmu_ops __initdata = {
- .pagetable_setup_start = xen_pagetable_setup_start,
- .pagetable_setup_done = xen_pagetable_setup_done,
-
+static const struct pv_mmu_ops xen_mmu_ops __initdata = {
.read_cr2 = xen_read_cr2,
.write_cr2 = xen_write_cr2,
@@ -1954,6 +1951,12 @@ const struct pv_mmu_ops xen_mmu_ops __initdata = {
.set_fixmap = xen_set_fixmap,
};
+void __init xen_init_mmu_ops(void)
+{
+ x86_init.paging.pagetable_setup_start = xen_pagetable_setup_start;
+ x86_init.paging.pagetable_setup_done = xen_pagetable_setup_done;
+ pv_mmu_ops = xen_mmu_ops;
+}
#ifdef CONFIG_XEN_DEBUG_FS
diff --git a/arch/x86/xen/mmu.h b/arch/x86/xen/mmu.h
index da7302624897..5fe6bc7f5ecf 100644
--- a/arch/x86/xen/mmu.h
+++ b/arch/x86/xen/mmu.h
@@ -59,5 +59,5 @@ void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
unsigned long xen_read_cr2_direct(void);
-extern const struct pv_mmu_ops xen_mmu_ops;
+extern void xen_init_mmu_ops(void);
#endif /* _XEN_MMU_H */
--
GitLab
From f1d7062a235d057e5d85ed2860bef609e0160cde Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 13:13:52 +0200
Subject: [PATCH 413/742] x86: Move xen_post_allocator_init into
xen_pagetable_setup_done
We really do not need two paravirt/x86_init_ops functions which are
called in two consecutive source lines. Move the only user of
post_allocator_init into the already existing pagetable_setup_done
function.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/paravirt.h | 6 ------
arch/x86/include/asm/paravirt_types.h | 3 ---
arch/x86/include/asm/setup.h | 4 ----
arch/x86/kernel/setup.c | 1 -
arch/x86/xen/enlighten.c | 2 --
arch/x86/xen/mmu.c | 5 ++++-
arch/x86/xen/xen-ops.h | 2 --
7 files changed, 4 insertions(+), 19 deletions(-)
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 1caf25b91e6b..7ce415e844b6 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -345,12 +345,6 @@ static inline void setup_secondary_clock(void)
}
#endif
-static inline void paravirt_post_allocator_init(void)
-{
- if (pv_init_ops.post_allocator_init)
- (*pv_init_ops.post_allocator_init)();
-}
-
#ifdef CONFIG_SMP
static inline void startup_ipi_hook(int phys_apicid, unsigned long start_eip,
unsigned long start_esp)
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 4039eefd3ebc..ecc74e5ad407 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -78,9 +78,6 @@ struct pv_init_ops {
*/
unsigned (*patch)(u8 type, u16 clobber, void *insnbuf,
unsigned long addr, unsigned len);
-
- /* Basic arch-specific setup */
- void (*post_allocator_init)(void);
};
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 7751d1f92bc9..58b58952b80d 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -63,10 +63,6 @@ static inline int is_visws_box(void) { return 0; }
extern struct x86_quirks *x86_quirks;
extern unsigned long saved_video_mode;
-#ifndef CONFIG_PARAVIRT
-#define paravirt_post_allocator_init() do {} while (0)
-#endif
-
extern void reserve_standard_io_resources(void);
extern void i386_reserve_resources(void);
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 4952d63dd67a..43ec6aa175bd 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -962,7 +962,6 @@ void __init setup_arch(char **cmdline_p)
x86_init.paging.pagetable_setup_start(swapper_pg_dir);
paging_init();
x86_init.paging.pagetable_setup_done(swapper_pg_dir);
- paravirt_post_allocator_init();
#ifdef CONFIG_X86_64
map_vsyscall();
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 12ea09ec39b5..a924caa168dd 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -839,8 +839,6 @@ static const struct pv_info xen_info __initdata = {
static const struct pv_init_ops xen_init_ops __initdata = {
.patch = xen_patch,
-
- .post_allocator_init = xen_post_allocator_init,
};
static const struct pv_time_ops xen_time_ops __initdata = {
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index dbec51da930e..093dd59b5385 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1229,9 +1229,12 @@ static __init void xen_pagetable_setup_start(pgd_t *base)
{
}
+static void xen_post_allocator_init(void);
+
static __init void xen_pagetable_setup_done(pgd_t *base)
{
xen_setup_shared_info();
+ xen_post_allocator_init();
}
static void xen_write_cr2(unsigned long cr2)
@@ -1841,7 +1844,7 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
#endif
}
-__init void xen_post_allocator_init(void)
+static __init void xen_post_allocator_init(void)
{
pv_mmu_ops.set_pte = xen_set_pte;
pv_mmu_ops.set_pmd = xen_set_pmd;
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 22494fd4c9b5..355fa6b99c9c 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -30,8 +30,6 @@ pgd_t *xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
void xen_ident_map_ISA(void);
void xen_reserve_top(void);
-void xen_post_allocator_init(void);
-
char * __init xen_memory_setup(void);
void __init xen_arch_setup(void);
void __init xen_init_IRQ(void);
--
GitLab
From 736decac643e8982655e22ac7f0e5e61c5b7f9bd Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 19 Aug 2009 12:35:53 +0200
Subject: [PATCH 414/742] x86: Move percpu clockevents setup to x86_init_ops
paravirt overrides the setup of the default apic timers as per cpu
timers. Moorestown needs to override that as well.
Move it to x86_init_ops setup and create a separate x86_cpuinit struct
which holds the function for the secondary evtl. hotplugabble CPUs.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/apic.h | 5 ++---
arch/x86/include/asm/paravirt.h | 12 ------------
arch/x86/include/asm/paravirt_types.h | 3 ---
arch/x86/include/asm/x86_init.h | 19 +++++++++++++++++++
arch/x86/kernel/apic/apic.c | 3 ++-
arch/x86/kernel/kvmclock.c | 5 ++++-
arch/x86/kernel/paravirt.c | 2 --
arch/x86/kernel/smpboot.c | 4 ++--
arch/x86/kernel/vmi_32.c | 4 ++--
arch/x86/kernel/x86_init.c | 9 +++++++++
arch/x86/xen/enlighten.c | 4 ++--
11 files changed, 42 insertions(+), 28 deletions(-)
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index bb7d47925847..6f15b29005a1 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -70,9 +70,6 @@ static inline void default_inquire_remote_apic(int apicid)
*/
#ifdef CONFIG_PARAVIRT
#include <asm/paravirt.h>
-#else
-#define setup_boot_clock setup_boot_APIC_clock
-#define setup_secondary_clock setup_secondary_APIC_clock
#endif
#ifdef CONFIG_X86_64
@@ -245,6 +242,8 @@ static inline void lapic_shutdown(void) { }
static inline void init_apic_mappings(void) { }
static inline void disable_local_APIC(void) { }
static inline void apic_disable(void) { }
+# define setup_boot_APIC_clock x86_init_noop
+# define setup_secondary_APIC_clock x86_init_noop
#endif /* !CONFIG_X86_LOCAL_APIC */
#ifdef CONFIG_X86_64
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 7ce415e844b6..825674a968d1 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -333,18 +333,6 @@ static inline void slow_down_io(void)
#endif
}
-#ifdef CONFIG_X86_LOCAL_APIC
-static inline void setup_boot_clock(void)
-{
- PVOP_VCALL0(pv_apic_ops.setup_boot_clock);
-}
-
-static inline void setup_secondary_clock(void)
-{
- PVOP_VCALL0(pv_apic_ops.setup_secondary_clock);
-}
-#endif
-
#ifdef CONFIG_SMP
static inline void startup_ipi_hook(int phys_apicid, unsigned long start_eip,
unsigned long start_esp)
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index ecc74e5ad407..1da89276d142 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -218,9 +218,6 @@ struct pv_irq_ops {
struct pv_apic_ops {
#ifdef CONFIG_X86_LOCAL_APIC
- void (*setup_boot_clock)(void);
- void (*setup_secondary_clock)(void);
-
void (*startup_ipi_hook)(int phys_apicid,
unsigned long start_eip,
unsigned long start_esp);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index b9bb4faefc48..b7d258f4c401 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -78,6 +78,15 @@ struct x86_init_paging {
void (*pagetable_setup_done)(pgd_t *base);
};
+/**
+ * struct x86_init_timers - platform specific timer setup
+ * @setup_perpcu_clockev: set up the per cpu clock event device for the
+ * boot cpu
+ */
+struct x86_init_timers {
+ void (*setup_percpu_clockev)(void);
+};
+
/**
* struct x86_init_ops - functions for platform specific setup
*
@@ -88,9 +97,19 @@ struct x86_init_ops {
struct x86_init_irqs irqs;
struct x86_init_oem oem;
struct x86_init_paging paging;
+ struct x86_init_timers timers;
+};
+
+/**
+ * struct x86_cpuinit_ops - platform specific cpu hotplug setups
+ * @setup_percpu_clockev: set up the per cpu clock event device
+ */
+struct x86_cpuinit_ops {
+ void (*setup_percpu_clockev)(void);
};
extern struct x86_init_ops x86_init;
+extern struct x86_cpuinit_ops x86_cpuinit;
extern void x86_init_noop(void);
extern void x86_init_uint_noop(unsigned int unused);
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 0a1c2830ec66..ce0098066e91 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -36,6 +36,7 @@
#include <linux/mm.h>
#include <asm/perf_counter.h>
+#include <asm/x86_init.h>
#include <asm/pgalloc.h>
#include <asm/atomic.h>
#include <asm/mpspec.h>
@@ -1701,7 +1702,7 @@ int __init APIC_init_uniprocessor(void)
localise_nmi_watchdog();
#endif
- setup_boot_clock();
+ x86_init.timers.setup_percpu_clockev();
#ifdef CONFIG_X86_64
check_nmi_watchdog();
#endif
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 223af43f1526..64e9b5f59d2d 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -22,6 +22,8 @@
#include <asm/msr.h>
#include <asm/apic.h>
#include <linux/percpu.h>
+
+#include <asm/x86_init.h>
#include <asm/reboot.h>
#define KVM_SCALE 22
@@ -187,7 +189,8 @@ void __init kvmclock_init(void)
pv_time_ops.sched_clock = kvm_clock_read;
pv_time_ops.get_tsc_khz = kvm_get_tsc_khz;
#ifdef CONFIG_X86_LOCAL_APIC
- pv_apic_ops.setup_secondary_clock = kvm_setup_secondary_clock;
+ x86_cpuinit.setup_percpu_clockev =
+ kvm_setup_secondary_clock;
#endif
#ifdef CONFIG_SMP
smp_ops.smp_prepare_boot_cpu = kvm_smp_prepare_boot_cpu;
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 8167be0b68ca..1ed32c79679d 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -387,8 +387,6 @@ struct pv_cpu_ops pv_cpu_ops = {
struct pv_apic_ops pv_apic_ops = {
#ifdef CONFIG_X86_LOCAL_APIC
- .setup_boot_clock = setup_boot_APIC_clock,
- .setup_secondary_clock = setup_secondary_APIC_clock,
.startup_ipi_hook = paravirt_nop,
#endif
};
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 2fecda69ee64..6eb81a87b4b7 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -323,7 +323,7 @@ notrace static void __cpuinit start_secondary(void *unused)
/* enable local interrupts */
local_irq_enable();
- setup_secondary_clock();
+ x86_cpuinit.setup_percpu_clockev();
wmb();
cpu_idle();
@@ -1112,7 +1112,7 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
printk(KERN_INFO "CPU%d: ", 0);
print_cpu_info(&cpu_data(0));
- setup_boot_clock();
+ x86_init.timers.setup_percpu_clockev();
if (is_uv_system())
uv_system_init();
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index 95a7289e4b0c..b43b6685cae1 100644
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -821,8 +821,8 @@ static inline int __init activate_vmi(void)
pv_time_ops.get_wallclock = vmi_get_wallclock;
pv_time_ops.set_wallclock = vmi_set_wallclock;
#ifdef CONFIG_X86_LOCAL_APIC
- pv_apic_ops.setup_boot_clock = vmi_time_bsp_init;
- pv_apic_ops.setup_secondary_clock = vmi_time_ap_init;
+ x86_init.timers.setup_percpu_clockev = vmi_time_bsp_init;
+ x86_cpuinit.setup_percpu_clockev = vmi_time_ap_init;
#endif
pv_time_ops.sched_clock = vmi_sched_clock;
pv_time_ops.get_tsc_khz = vmi_tsc_khz;
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 7df020e6740d..e666a98db7cd 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -9,6 +9,7 @@
#include <asm/paravirt.h>
#include <asm/mpspec.h>
#include <asm/setup.h>
+#include <asm/apic.h>
#include <asm/e820.h>
#include <asm/irq.h>
@@ -54,4 +55,12 @@ struct __initdata x86_init_ops x86_init = {
.pagetable_setup_start = native_pagetable_setup_start,
.pagetable_setup_done = native_pagetable_setup_done,
},
+
+ .timers = {
+ .setup_percpu_clockev = setup_boot_APIC_clock,
+ },
+};
+
+__cpuinitdata struct x86_cpuinit_ops x86_cpuinit = {
+ .setup_percpu_clockev = setup_secondary_APIC_clock,
};
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index a924caa168dd..14e597e0c160 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -912,8 +912,6 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = {
static const struct pv_apic_ops xen_apic_ops __initdata = {
#ifdef CONFIG_X86_LOCAL_APIC
- .setup_boot_clock = paravirt_nop,
- .setup_secondary_clock = paravirt_nop,
.startup_ipi_hook = paravirt_nop,
#endif
};
@@ -979,6 +977,8 @@ asmlinkage void __init xen_start_kernel(void)
x86_init.resources.memory_setup = xen_memory_setup;
x86_init.oem.arch_setup = xen_arch_setup;
x86_init.oem.banner = xen_banner;
+ x86_init.timers.setup_percpu_clockev = x86_init_noop;
+ x86_cpuinit.setup_percpu_clockev = x86_init_noop;
#ifdef CONFIG_X86_64
/*
--
GitLab
From 845b3944bbdf9e9247849bf037f27ff3a3f26d87 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 19 Aug 2009 15:37:03 +0200
Subject: [PATCH 415/742] x86: Add timer_init to x86_init_ops
The timer init code is convoluted with several quirks and the paravirt
timer chooser. Figuring out which code path is actually taken is not
for the faint hearted.
Move the numaq TSC quirk to tsc_pre_init x86_init_ops function and
replace the paravirt time chooser and the remaining x86 quirk with a
simple x86_init_ops function.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/paravirt.h | 5 ----
arch/x86/include/asm/paravirt_types.h | 2 --
arch/x86/include/asm/setup.h | 21 ++-----------
arch/x86/include/asm/time.h | 1 -
arch/x86/include/asm/timer.h | 3 +-
arch/x86/include/asm/x86_init.h | 4 +++
arch/x86/kernel/apic/numaq_32.c | 10 ++-----
arch/x86/kernel/paravirt.c | 1 -
arch/x86/kernel/setup.c | 43 ---------------------------
arch/x86/kernel/time_32.c | 34 ++++++++++++++-------
arch/x86/kernel/time_64.c | 9 ++++--
arch/x86/kernel/tsc.c | 2 ++
arch/x86/kernel/visws_quirks.c | 20 ++++---------
arch/x86/kernel/vmi_32.c | 2 +-
arch/x86/kernel/x86_init.c | 3 ++
arch/x86/lguest/boot.c | 2 +-
arch/x86/xen/enlighten.c | 4 +--
17 files changed, 53 insertions(+), 113 deletions(-)
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 825674a968d1..11a4ba7b209c 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -34,11 +34,6 @@ static inline int set_wallclock(unsigned long nowtime)
return PVOP_CALL1(int, pv_time_ops.set_wallclock, nowtime);
}
-static inline void (*choose_time_init(void))(void)
-{
- return pv_time_ops.time_init;
-}
-
/* The paravirtualized CPUID instruction. */
static inline void __cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 1da89276d142..0d812e592e3b 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -88,8 +88,6 @@ struct pv_lazy_ops {
};
struct pv_time_ops {
- void (*time_init)(void);
-
/* Set and set time of day */
unsigned long (*get_wallclock)(void);
int (*set_wallclock)(unsigned long);
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 58b58952b80d..861e1fe2303b 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -5,24 +5,6 @@
#define COMMAND_LINE_SIZE 2048
-#ifndef __ASSEMBLY__
-
-#include <asm/x86_init.h>
-
-/*
- * Any setup quirks to be performed?
- */
-
-struct x86_quirks {
- int (*arch_pre_time_init)(void);
- int (*arch_time_init)(void);
-};
-
-extern void x86_quirk_pre_time_init(void);
-extern void x86_quirk_time_init(void);
-
-#endif /* __ASSEMBLY__ */
-
#ifdef __i386__
#include <linux/pfn.h>
@@ -42,6 +24,7 @@ extern void x86_quirk_time_init(void);
#ifndef __ASSEMBLY__
#include <asm/bootparam.h>
+#include <asm/x86_init.h>
/* Interrupt control for vSMPowered x86_64 systems */
#ifdef CONFIG_X86_64
@@ -60,11 +43,11 @@ static inline void visws_early_detect(void) { }
static inline int is_visws_box(void) { return 0; }
#endif
-extern struct x86_quirks *x86_quirks;
extern unsigned long saved_video_mode;
extern void reserve_standard_io_resources(void);
extern void i386_reserve_resources(void);
+extern void setup_default_timer_irq(void);
#ifndef _SETUP
diff --git a/arch/x86/include/asm/time.h b/arch/x86/include/asm/time.h
index 50c733aac421..91bb162b5a31 100644
--- a/arch/x86/include/asm/time.h
+++ b/arch/x86/include/asm/time.h
@@ -54,7 +54,6 @@ extern void time_init(void);
#define get_wallclock() native_get_wallclock()
#define set_wallclock(x) native_set_wallclock(x)
-#define choose_time_init() hpet_time_init
#endif /* CONFIG_PARAVIRT */
diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h
index 20ca9c4d4686..e854c7ab4169 100644
--- a/arch/x86/include/asm/timer.h
+++ b/arch/x86/include/asm/timer.h
@@ -12,8 +12,7 @@ unsigned long native_calibrate_tsc(void);
#ifdef CONFIG_X86_32
extern int timer_ack;
-extern irqreturn_t timer_interrupt(int irq, void *dev_id);
-#endif /* CONFIG_X86_32 */
+#endif
extern int recalibrate_cpu_khz(void);
extern int no_timer_check;
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index b7d258f4c401..f8bdd2271a04 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -82,9 +82,13 @@ struct x86_init_paging {
* struct x86_init_timers - platform specific timer setup
* @setup_perpcu_clockev: set up the per cpu clock event device for the
* boot cpu
+ * @tsc_pre_init: platform function called before TSC init
+ * @timer_init: initialize the platform timer (default PIT/HPET)
*/
struct x86_init_timers {
void (*setup_percpu_clockev)(void);
+ void (*tsc_pre_init)(void);
+ void (*timer_init)(void);
};
/**
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 71c5ea645865..f1ebed6bd150 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -129,10 +129,9 @@ void __cpuinit numaq_tsc_disable(void)
}
}
-static int __init numaq_pre_time_init(void)
+static void __init numaq_tsc_init(void)
{
numaq_tsc_disable();
- return 0;
}
static inline int generate_logical_apicid(int quad, int phys_apicid)
@@ -262,11 +261,6 @@ static void __init smp_read_mpc_oem(struct mpc_table *mpc)
}
}
-static struct x86_quirks numaq_x86_quirks __initdata = {
- .arch_pre_time_init = numaq_pre_time_init,
- .arch_time_init = NULL,
-};
-
static __init void early_check_numaq(void)
{
/*
@@ -281,13 +275,13 @@ static __init void early_check_numaq(void)
early_get_smp_config();
if (found_numaq) {
- x86_quirks = &numaq_x86_quirks;
x86_init.mpparse.mpc_record = numaq_mpc_record;
x86_init.mpparse.setup_ioapic_ids = x86_init_noop;
x86_init.mpparse.mpc_apic_id = mpc_apic_id;
x86_init.mpparse.smp_read_mpc_oem = smp_read_mpc_oem;
x86_init.mpparse.mpc_oem_pci_bus = mpc_oem_pci_bus;
x86_init.mpparse.mpc_oem_bus_info = mpc_oem_bus_info;
+ x86_init.timers.tsc_pre_init = numaq_tsc_init;
}
}
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 1ed32c79679d..9c0e644a76dc 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -306,7 +306,6 @@ struct pv_init_ops pv_init_ops = {
};
struct pv_time_ops pv_time_ops = {
- .time_init = hpet_time_init,
.get_wallclock = native_get_wallclock,
.set_wallclock = native_set_wallclock,
.sched_clock = native_sched_clock,
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 43ec6aa175bd..bb207a47c631 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -626,10 +626,6 @@ static int __init setup_elfcorehdr(char *arg)
early_param("elfcorehdr", setup_elfcorehdr);
#endif
-static struct x86_quirks default_x86_quirks __initdata;
-
-struct x86_quirks *x86_quirks __initdata = &default_x86_quirks;
-
#ifdef CONFIG_X86_RESERVE_LOW_64K
static int __init dmi_low_memory_corruption(const struct dmi_system_id *d)
{
@@ -1016,45 +1012,6 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_X86_32
-static struct irqaction irq0 = {
- .handler = timer_interrupt,
- .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
- .name = "timer"
-};
-
-/**
- * x86_quirk_pre_time_init - do any specific initialisations before.
- *
- **/
-void __init x86_quirk_pre_time_init(void)
-{
- if (x86_quirks->arch_pre_time_init)
- x86_quirks->arch_pre_time_init();
-}
-
-/**
- * x86_quirk_time_init - do any specific initialisations for the system timer.
- *
- * Description:
- * Must plug the system timer interrupt source at HZ into the IRQ listed
- * in irq_vectors.h:TIMER_IRQ
- **/
-void __init x86_quirk_time_init(void)
-{
- if (x86_quirks->arch_time_init) {
- /*
- * A nonzero return code does not mean failure, it means
- * that the architecture quirk does not want any
- * generic (timer) setup to be performed after this:
- */
- if (x86_quirks->arch_time_init())
- return;
- }
-
- irq0.mask = cpumask_of_cpu(0);
- setup_irq(0, &irq0);
-}
-
static struct resource video_ram_resource = {
.name = "Video RAM area",
.start = 0xa0000,
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index 5c5d87f0b2e1..89bbb52218b8 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -72,7 +72,7 @@ EXPORT_SYMBOL(profile_pc);
* Time Stamp Counter value at the time of the timer interrupt, so that
* we later on can estimate the time of day more exactly.
*/
-irqreturn_t timer_interrupt(int irq, void *dev_id)
+static irqreturn_t timer_interrupt(int irq, void *dev_id)
{
/* Keep nmi watchdog up to date */
inc_irq_stat(irq0_irqs);
@@ -113,25 +113,37 @@ irqreturn_t timer_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-/* Duplicate of time_init() below, with hpet_enable part added */
+static struct irqaction irq0 = {
+ .handler = timer_interrupt,
+ .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
+ .name = "timer"
+};
+
+void __init setup_default_timer_irq(void)
+{
+ irq0.mask = cpumask_of_cpu(0);
+ setup_irq(0, &irq0);
+}
+
+/* Default timer init function */
void __init hpet_time_init(void)
{
if (!hpet_enable())
setup_pit_timer();
- x86_quirk_time_init();
+ setup_default_timer_irq();
+}
+
+static void x86_late_time_init(void)
+{
+ x86_init.timers.timer_init();
}
/*
- * This is called directly from init code; we must delay timer setup in the
- * HPET case as we can't make the decision to turn on HPET this early in the
- * boot process.
- *
- * The chosen time_init function will usually be hpet_time_init, above, but
- * in the case of virtual hardware, an alternative function may be substituted.
+ * Initialize TSC and delay the periodic timer init to
+ * late x86_late_time_init() so ioremap works.
*/
void __init time_init(void)
{
- x86_quirk_pre_time_init();
tsc_init();
- late_time_init = choose_time_init();
+ late_time_init = x86_late_time_init;
}
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index 5ba343e61844..38a7df94c107 100644
--- a/arch/x86/kernel/time_64.c
+++ b/arch/x86/kernel/time_64.c
@@ -19,6 +19,7 @@
#include <linux/mca.h>
#include <linux/nmi.h>
+#include <asm/x86_init.h>
#include <asm/i8253.h>
#include <asm/hpet.h>
#include <asm/vgtod.h>
@@ -127,9 +128,13 @@ void __init hpet_time_init(void)
setup_irq(0, &irq0);
}
+static void x86_late_time_init(void)
+{
+ x86_init.timers.timer_init();
+}
+
void __init time_init(void)
{
tsc_init();
-
- late_time_init = choose_time_init();
+ late_time_init = x86_late_time_init;
}
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 71f4368b357e..652bc214eebf 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -857,6 +857,8 @@ void __init tsc_init(void)
u64 lpj;
int cpu;
+ x86_init.timers.tsc_pre_init();
+
if (!cpu_has_tsc)
return;
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 2719091b3351..f068553a1b17 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -30,6 +30,7 @@
#include <asm/setup.h>
#include <asm/apic.h>
#include <asm/e820.h>
+#include <asm/time.h>
#include <asm/io.h>
#include <linux/kernel_stat.h>
@@ -53,7 +54,7 @@ int is_visws_box(void)
return visws_board_type >= 0;
}
-static int __init visws_time_init(void)
+static void __init visws_time_init(void)
{
printk(KERN_INFO "Starting Cobalt Timer system clock\n");
@@ -66,11 +67,7 @@ static int __init visws_time_init(void)
/* Enable (unmask) the timer interrupt */
co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) & ~CO_CTRL_TIMEMASK);
- /*
- * Zero return means the generic timer setup code will set up
- * the standard vector:
- */
- return 0;
+ setup_default_timer_irq();
}
/* Replaces the default init_ISA_irqs in the generic setup */
@@ -226,10 +223,6 @@ static void __init visws_find_smp_config(unsigned int reserve)
static void visws_trap_init(void);
-static struct x86_quirks visws_x86_quirks __initdata = {
- .arch_time_init = visws_time_init,
-};
-
void __init visws_early_detect(void)
{
int raw;
@@ -241,17 +234,14 @@ void __init visws_early_detect(void)
return;
/*
- * Install special quirks for timer, interrupt and memory setup:
- * Fall back to generic behavior for traps:
- * Override generic MP-table parsing:
+ * Override the default platform setup functions
*/
- x86_quirks = &visws_x86_quirks;
-
x86_init.resources.memory_setup = visws_memory_setup;
x86_init.mpparse.get_smp_config = visws_get_smp_config;
x86_init.mpparse.find_smp_config = visws_find_smp_config;
x86_init.irqs.pre_vector_init = visws_pre_intr_init;
x86_init.irqs.trap_init = visws_trap_init;
+ x86_init.timers.timer_init = visws_time_init;
/*
* Install reboot quirks:
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index b43b6685cae1..cd7d0fbbf66e 100644
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -817,7 +817,7 @@ static inline int __init activate_vmi(void)
vmi_timer_ops.set_alarm = vmi_get_function(VMI_CALL_SetAlarm);
vmi_timer_ops.cancel_alarm =
vmi_get_function(VMI_CALL_CancelAlarm);
- pv_time_ops.time_init = vmi_time_init;
+ x86_init.timers.timer_init = vmi_time_init;
pv_time_ops.get_wallclock = vmi_get_wallclock;
pv_time_ops.set_wallclock = vmi_set_wallclock;
#ifdef CONFIG_X86_LOCAL_APIC
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index e666a98db7cd..4790b92714a6 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -11,6 +11,7 @@
#include <asm/setup.h>
#include <asm/apic.h>
#include <asm/e820.h>
+#include <asm/time.h>
#include <asm/irq.h>
void __cpuinit x86_init_noop(void) { }
@@ -58,6 +59,8 @@ struct __initdata x86_init_ops x86_init = {
.timers = {
.setup_percpu_clockev = setup_boot_APIC_clock,
+ .tsc_pre_init = x86_init_noop,
+ .timer_init = hpet_time_init,
},
};
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 1ff986511f1d..6caa8c0c793b 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1320,11 +1320,11 @@ __init void lguest_init(void)
/* Time operations */
pv_time_ops.get_wallclock = lguest_get_wallclock;
- pv_time_ops.time_init = lguest_time_init;
pv_time_ops.get_tsc_khz = lguest_tsc_khz;
x86_init.resources.memory_setup = lguest_memory_setup;
x86_init.irqs.intr_init = lguest_init_IRQ;
+ x86_init.timers.timer_init = lguest_time_init;
/*
* Now is a good time to look at the implementations of these functions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 14e597e0c160..84826b842b54 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -842,8 +842,6 @@ static const struct pv_init_ops xen_init_ops __initdata = {
};
static const struct pv_time_ops xen_time_ops __initdata = {
- .time_init = xen_time_init,
-
.set_wallclock = xen_set_wallclock,
.get_wallclock = xen_get_wallclock,
.get_tsc_khz = xen_tsc_khz,
@@ -977,6 +975,8 @@ asmlinkage void __init xen_start_kernel(void)
x86_init.resources.memory_setup = xen_memory_setup;
x86_init.oem.arch_setup = xen_arch_setup;
x86_init.oem.banner = xen_banner;
+
+ x86_init.timers.timer_init = xen_time_init;
x86_init.timers.setup_percpu_clockev = x86_init_noop;
x86_cpuinit.setup_percpu_clockev = x86_init_noop;
--
GitLab
From ecce85089e6d31eed7535b68f5acdd194265690c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 15:28:50 +0200
Subject: [PATCH 416/742] x86: Remove do_timer hook
This is a left over of the old x86 sub arch support. Remove it and
open code it like we do in time_64.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/do_timer.h | 16 ----------------
arch/x86/kernel/time_32.c | 7 ++++---
2 files changed, 4 insertions(+), 19 deletions(-)
delete mode 100644 arch/x86/include/asm/do_timer.h
diff --git a/arch/x86/include/asm/do_timer.h b/arch/x86/include/asm/do_timer.h
deleted file mode 100644
index 23ecda0b28a0..000000000000
--- a/arch/x86/include/asm/do_timer.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* defines for inline arch setup functions */
-#include <linux/clockchips.h>
-
-#include <asm/i8259.h>
-#include <asm/i8253.h>
-
-/**
- * do_timer_interrupt_hook - hook into timer tick
- *
- * Call the pit clock event handler. see asm/i8253.h
- **/
-
-static inline void do_timer_interrupt_hook(void)
-{
- global_clock_event->event_handler(global_clock_event);
-}
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index 89bbb52218b8..6fef4ea1e7a6 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -28,6 +28,7 @@
* serialize accesses to xtime/lost_ticks).
*/
+#include <linux/clockchips.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/time.h>
@@ -37,8 +38,8 @@
#include <asm/hpet.h>
#include <asm/time.h>
#include <asm/timer.h>
-
-#include <asm/do_timer.h>
+#include <asm/i8259.h>
+#include <asm/i8253.h>
int timer_ack;
@@ -92,7 +93,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
}
#endif
- do_timer_interrupt_hook();
+ global_clock_event->event_handler(global_clock_event);
#ifdef CONFIG_MCA
if (MCA_bus) {
--
GitLab
From dd3e6e8c6e7a2294f137c4dbccb3e73e7fa8ba15 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 15:35:23 +0200
Subject: [PATCH 417/742] x86: Prepare unification of time_32/64.c
Unify the top comment and the includes.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/time_32.c | 44 ++++++++++++---------------------------
arch/x86/kernel/time_64.c | 13 +++++-------
2 files changed, 18 insertions(+), 39 deletions(-)
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index 6fef4ea1e7a6..acbaefd61e8e 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -1,45 +1,27 @@
/*
- * Copyright (C) 1991, 1992, 1995 Linus Torvalds
+ * Copyright (c) 1991,1992,1995 Linus Torvalds
+ * Copyright (c) 1994 Alan Modra
+ * Copyright (c) 1995 Markus Kuhn
+ * Copyright (c) 1996 Ingo Molnar
+ * Copyright (c) 1998 Andrea Arcangeli
+ * Copyright (c) 2002,2006 Vojtech Pavlik
+ * Copyright (c) 2003 Andi Kleen
*
- * This file contains the PC-specific time handling details:
- * reading the RTC at bootup, etc..
- * 1994-07-02 Alan Modra
- * fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime
- * 1995-03-26 Markus Kuhn
- * fixed 500 ms bug at call to set_rtc_mmss, fixed DS12887
- * precision CMOS clock update
- * 1996-05-03 Ingo Molnar
- * fixed time warps in do_[slow|fast]_gettimeoffset()
- * 1997-09-10 Updated NTP code according to technical memorandum Jan '96
- * "A Kernel Model for Precision Timekeeping" by Dave Mills
- * 1998-09-05 (Various)
- * More robust do_fast_gettimeoffset() algorithm implemented
- * (works with APM, Cyrix 6x86MX and Centaur C6),
- * monotonic gettimeofday() with fast_get_timeoffset(),
- * drift-proof precision TSC calibration on boot
- * (C. Scott Ananian <cananian@alumni.princeton.edu>, Andrew D.
- * Balsa <andrebalsa@altern.org>, Philip Gladstone <philip@raptor.com>;
- * ported from 2.0.35 Jumbo-9 by Michael Krause <m.krause@tu-harburg.de>).
- * 1998-12-16 Andrea Arcangeli
- * Fixed Jumbo-9 code in 2.1.131: do_gettimeofday was missing 1 jiffy
- * because was not accounting lost_ticks.
- * 1998-12-24 Copyright (C) 1998 Andrea Arcangeli
- * Fixed a xtime SMP race (we need the xtime_lock rw spinlock to
- * serialize accesses to xtime/lost_ticks).
*/
#include <linux/clockchips.h>
-#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/time.h>
#include <linux/mca.h>
-#include <asm/setup.h>
-#include <asm/hpet.h>
-#include <asm/time.h>
-#include <asm/timer.h>
+#include <asm/vsyscall.h>
+#include <asm/x86_init.h>
#include <asm/i8259.h>
#include <asm/i8253.h>
+#include <asm/timer.h>
+#include <asm/hpet.h>
+#include <asm/time.h>
+#include <asm/nmi.h>
int timer_ack;
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index 38a7df94c107..45914f8844a7 100644
--- a/arch/x86/kernel/time_64.c
+++ b/arch/x86/kernel/time_64.c
@@ -1,6 +1,4 @@
/*
- * "High Precision Event Timer" based timekeeping.
- *
* Copyright (c) 1991,1992,1995 Linus Torvalds
* Copyright (c) 1994 Alan Modra
* Copyright (c) 1995 Markus Kuhn
@@ -8,23 +6,22 @@
* Copyright (c) 1998 Andrea Arcangeli
* Copyright (c) 2002,2006 Vojtech Pavlik
* Copyright (c) 2003 Andi Kleen
- * RTC support code taken from arch/i386/kernel/timers/time_hpet.c
+ *
*/
#include <linux/clockchips.h>
-#include <linux/init.h>
#include <linux/interrupt.h>
-#include <linux/module.h>
#include <linux/time.h>
#include <linux/mca.h>
-#include <linux/nmi.h>
+#include <asm/vsyscall.h>
#include <asm/x86_init.h>
+#include <asm/i8259.h>
#include <asm/i8253.h>
+#include <asm/timer.h>
#include <asm/hpet.h>
-#include <asm/vgtod.h>
#include <asm/time.h>
-#include <asm/timer.h>
+#include <asm/nmi.h>
volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES;
--
GitLab
From 64fcbac1f38882d8ae82c44a1c2a676cfa5e79e1 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 15:54:21 +0200
Subject: [PATCH 418/742] x86: Simplify timer_ack magic in time_32.c
Let the compiler optimize the timer_ack magic away in the 32bit timer
interrupt and put the same code into time_64.c. It's optimized out for
CONFIG_X86_IO_APIC on 32bit and for 64bit because timer_ack is const 0
in both cases.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/timer.h | 6 ++++--
arch/x86/kernel/time_32.c | 5 +++--
arch/x86/kernel/time_64.c | 14 ++++++++++++++
3 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h
index e854c7ab4169..65228ccc5f0d 100644
--- a/arch/x86/include/asm/timer.h
+++ b/arch/x86/include/asm/timer.h
@@ -9,11 +9,13 @@
unsigned long long native_sched_clock(void);
unsigned long native_calibrate_tsc(void);
+extern int recalibrate_cpu_khz(void);
-#ifdef CONFIG_X86_32
+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_IO_APIC)
extern int timer_ack;
+#else
+# define timer_ack (0)
#endif
-extern int recalibrate_cpu_khz(void);
extern int no_timer_check;
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index acbaefd61e8e..7a26bcf887f6 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -23,7 +23,9 @@
#include <asm/time.h>
#include <asm/nmi.h>
+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_IO_APIC)
int timer_ack;
+#endif
unsigned long profile_pc(struct pt_regs *regs)
{
@@ -60,7 +62,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
/* Keep nmi watchdog up to date */
inc_irq_stat(irq0_irqs);
-#ifdef CONFIG_X86_IO_APIC
+ /* Optimized out for !IO_APIC and x86_64 */
if (timer_ack) {
/*
* Subtle, when I/O APICs are used we have to ack timer IRQ
@@ -73,7 +75,6 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
inb(PIC_MASTER_POLL);
spin_unlock(&i8259A_lock);
}
-#endif
global_clock_event->event_handler(global_clock_event);
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index 45914f8844a7..35e0a925da56 100644
--- a/arch/x86/kernel/time_64.c
+++ b/arch/x86/kernel/time_64.c
@@ -51,6 +51,20 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
{
inc_irq_stat(irq0_irqs);
+ /* Optimized out for !IO_APIC and x86_64 */
+ if (timer_ack) {
+ /*
+ * Subtle, when I/O APICs are used we have to ack timer IRQ
+ * manually to deassert NMI lines for the watchdog if run
+ * on an 82489DX-based system.
+ */
+ spin_lock(&i8259A_lock);
+ outb(0x0c, PIC_MASTER_OCW3);
+ /* Ack the IRQ; AEOI will end it automatically. */
+ inb(PIC_MASTER_POLL);
+ spin_unlock(&i8259A_lock);
+ }
+
global_clock_event->event_handler(global_clock_event);
#ifdef CONFIG_MCA
--
GitLab
From 0be6939422eb2f54df4b3d8763c569c6759c1a42 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 15:59:35 +0200
Subject: [PATCH 419/742] x86: Remove mca bus ifdef from timer interrupt
MCA_bus is constant 0 when CONFIG_MCA=n. So the compiler removes that
code w/o needing an extra #ifdef
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/time_32.c | 18 +++---------------
arch/x86/kernel/time_64.c | 9 +++------
2 files changed, 6 insertions(+), 21 deletions(-)
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index 7a26bcf887f6..ec729cdcfa3d 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -78,21 +78,9 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
global_clock_event->event_handler(global_clock_event);
-#ifdef CONFIG_MCA
- if (MCA_bus) {
- /* The PS/2 uses level-triggered interrupts. You can't
- turn them off, nor would you want to (any attempt to
- enable edge-triggered interrupts usually gets intercepted by a
- special hardware circuit). Hence we have to acknowledge
- the timer interrupt. Through some incredibly stupid
- design idea, the reset for IRQ 0 is done by setting the
- high bit of the PPI port B (0x61). Note that some PS/2s,
- notably the 55SX, work fine if this is removed. */
-
- u8 irq_v = inb_p(0x61); /* read the current state */
- outb_p(irq_v | 0x80, 0x61); /* reset the IRQ */
- }
-#endif
+ /* MCA bus quirk: Acknowledge irq0 by setting bit 7 in port 0x61 */
+ if (MCA_bus)
+ outb_p(inb_p(0x61)| 0x80, 0x61);
return IRQ_HANDLED;
}
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index 35e0a925da56..7db3912b8692 100644
--- a/arch/x86/kernel/time_64.c
+++ b/arch/x86/kernel/time_64.c
@@ -67,12 +67,9 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
global_clock_event->event_handler(global_clock_event);
-#ifdef CONFIG_MCA
- if (MCA_bus) {
- u8 irq_v = inb_p(0x61); /* read the current state */
- outb_p(irq_v|0x80, 0x61); /* reset the IRQ */
- }
-#endif
+ /* MCA bus quirk: Acknowledge irq0 by setting bit 7 in port 0x61 */
+ if (MCA_bus)
+ outb_p(inb_p(0x61)| 0x80, 0x61);
return IRQ_HANDLED;
}
--
GitLab
From 454ede7eebf91b92ab1eafe10c6b6ed04de29bf8 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 16:07:40 +0200
Subject: [PATCH 420/742] x86: Make timer setup and global variables the same
in time_32/64.c
The timer and timer irq setup code is identical in 32 and 64 bit. Make
it the same formatting as well. Also add the global variables under
the necessary ifdefs to both files.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/time_32.c | 8 +++++---
arch/x86/kernel/time_64.c | 38 ++++++++++++++++++++++++++++++--------
2 files changed, 35 insertions(+), 11 deletions(-)
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index ec729cdcfa3d..186abc577b2b 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -27,6 +27,10 @@
int timer_ack;
#endif
+#ifdef CONFIG_X86_64
+volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES;
+#endif
+
unsigned long profile_pc(struct pt_regs *regs)
{
unsigned long pc = instruction_pointer(regs);
@@ -53,9 +57,7 @@ unsigned long profile_pc(struct pt_regs *regs)
EXPORT_SYMBOL(profile_pc);
/*
- * This is the same as the above, except we _also_ save the current
- * Time Stamp Counter value at the time of the timer interrupt, so that
- * we later on can estimate the time of day more exactly.
+ * Default timer interrupt handler for PIT/HPET
*/
static irqreturn_t timer_interrupt(int irq, void *dev_id)
{
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index 7db3912b8692..78cbdf5c006b 100644
--- a/arch/x86/kernel/time_64.c
+++ b/arch/x86/kernel/time_64.c
@@ -23,7 +23,13 @@
#include <asm/time.h>
#include <asm/nmi.h>
+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_IO_APIC)
+int timer_ack;
+#endif
+
+#ifdef CONFIG_X86_64
volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES;
+#endif
unsigned long profile_pc(struct pt_regs *regs)
{
@@ -47,8 +53,12 @@ unsigned long profile_pc(struct pt_regs *regs)
}
EXPORT_SYMBOL(profile_pc);
+/*
+ * Default timer interrupt handler for PIT/HPET
+ */
static irqreturn_t timer_interrupt(int irq, void *dev_id)
{
+ /* Keep nmi watchdog up to date */
inc_irq_stat(irq0_irqs);
/* Optimized out for !IO_APIC and x86_64 */
@@ -74,8 +84,10 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-/* calibrate_cpu is used on systems with fixed rate TSCs to determine
- * processor frequency */
+/*
+ * calibrate_cpu is used on systems with fixed rate TSCs to determine
+ * processor frequency
+ */
#define TICK_COUNT 100000000
unsigned long __init calibrate_cpu(void)
{
@@ -122,18 +134,24 @@ unsigned long __init calibrate_cpu(void)
return pmc_now * tsc_khz / (tsc_now - tsc_start);
}
-static struct irqaction irq0 = {
- .handler = timer_interrupt,
- .flags = IRQF_DISABLED | IRQF_IRQPOLL | IRQF_NOBALANCING | IRQF_TIMER,
- .name = "timer"
+static struct irqaction irq0 = {
+ .handler = timer_interrupt,
+ .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
+ .name = "timer"
};
+void __init setup_default_timer_irq(void)
+{
+ irq0.mask = cpumask_of_cpu(0);
+ setup_irq(0, &irq0);
+}
+
+/* Default timer init function */
void __init hpet_time_init(void)
{
if (!hpet_enable())
setup_pit_timer();
-
- setup_irq(0, &irq0);
+ setup_default_timer_irq();
}
static void x86_late_time_init(void)
@@ -141,6 +159,10 @@ static void x86_late_time_init(void)
x86_init.timers.timer_init();
}
+/*
+ * Initialize TSC and delay the periodic timer init to
+ * late x86_late_time_init() so ioremap works.
+ */
void __init time_init(void)
{
tsc_init();
--
GitLab
From 08047c4f1740c7cee75d58e2919d48c09f951649 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 16:27:41 +0200
Subject: [PATCH 421/742] x86: Move calibrate_cpu to tsc.c
Move the code where it's only user is. Also we need to look whether
this hardwired hackery might interfere with perfcounters.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/time.h | 2 --
arch/x86/kernel/time_32.c | 1 -
arch/x86/kernel/time_64.c | 51 ---------------------------------
arch/x86/kernel/tsc.c | 57 +++++++++++++++++++++++++++++++++++--
4 files changed, 55 insertions(+), 56 deletions(-)
diff --git a/arch/x86/include/asm/time.h b/arch/x86/include/asm/time.h
index 91bb162b5a31..9c5608b21c27 100644
--- a/arch/x86/include/asm/time.h
+++ b/arch/x86/include/asm/time.h
@@ -57,6 +57,4 @@ extern void time_init(void);
#endif /* CONFIG_PARAVIRT */
-extern unsigned long __init calibrate_cpu(void);
-
#endif /* _ASM_X86_TIME_H */
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index 186abc577b2b..fd876cc77487 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -21,7 +21,6 @@
#include <asm/timer.h>
#include <asm/hpet.h>
#include <asm/time.h>
-#include <asm/nmi.h>
#if defined(CONFIG_X86_32) && defined(CONFIG_X86_IO_APIC)
int timer_ack;
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index 78cbdf5c006b..e59a40ebff14 100644
--- a/arch/x86/kernel/time_64.c
+++ b/arch/x86/kernel/time_64.c
@@ -21,7 +21,6 @@
#include <asm/timer.h>
#include <asm/hpet.h>
#include <asm/time.h>
-#include <asm/nmi.h>
#if defined(CONFIG_X86_32) && defined(CONFIG_X86_IO_APIC)
int timer_ack;
@@ -84,56 +83,6 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-/*
- * calibrate_cpu is used on systems with fixed rate TSCs to determine
- * processor frequency
- */
-#define TICK_COUNT 100000000
-unsigned long __init calibrate_cpu(void)
-{
- int tsc_start, tsc_now;
- int i, no_ctr_free;
- unsigned long evntsel3 = 0, pmc3 = 0, pmc_now = 0;
- unsigned long flags;
-
- for (i = 0; i < 4; i++)
- if (avail_to_resrv_perfctr_nmi_bit(i))
- break;
- no_ctr_free = (i == 4);
- if (no_ctr_free) {
- WARN(1, KERN_WARNING "Warning: AMD perfctrs busy ... "
- "cpu_khz value may be incorrect.\n");
- i = 3;
- rdmsrl(MSR_K7_EVNTSEL3, evntsel3);
- wrmsrl(MSR_K7_EVNTSEL3, 0);
- rdmsrl(MSR_K7_PERFCTR3, pmc3);
- } else {
- reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i);
- reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
- }
- local_irq_save(flags);
- /* start measuring cycles, incrementing from 0 */
- wrmsrl(MSR_K7_PERFCTR0 + i, 0);
- wrmsrl(MSR_K7_EVNTSEL0 + i, 1 << 22 | 3 << 16 | 0x76);
- rdtscl(tsc_start);
- do {
- rdmsrl(MSR_K7_PERFCTR0 + i, pmc_now);
- tsc_now = get_cycles();
- } while ((tsc_now - tsc_start) < TICK_COUNT);
-
- local_irq_restore(flags);
- if (no_ctr_free) {
- wrmsrl(MSR_K7_EVNTSEL3, 0);
- wrmsrl(MSR_K7_PERFCTR3, pmc3);
- wrmsrl(MSR_K7_EVNTSEL3, evntsel3);
- } else {
- release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
- release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
- }
-
- return pmc_now * tsc_khz / (tsc_now - tsc_start);
-}
-
static struct irqaction irq0 = {
.handler = timer_interrupt,
.flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 652bc214eebf..97a0bcbad100 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -17,6 +17,7 @@
#include <asm/time.h>
#include <asm/delay.h>
#include <asm/hypervisor.h>
+#include <asm/nmi.h>
unsigned int __read_mostly cpu_khz; /* TSC clocks / usec, not used here */
EXPORT_SYMBOL(cpu_khz);
@@ -852,6 +853,60 @@ static void __init init_tsc_clocksource(void)
clocksource_register(&clocksource_tsc);
}
+#ifdef CONFIG_X86_64
+/*
+ * calibrate_cpu is used on systems with fixed rate TSCs to determine
+ * processor frequency
+ */
+#define TICK_COUNT 100000000
+static unsigned long __init calibrate_cpu(void)
+{
+ int tsc_start, tsc_now;
+ int i, no_ctr_free;
+ unsigned long evntsel3 = 0, pmc3 = 0, pmc_now = 0;
+ unsigned long flags;
+
+ for (i = 0; i < 4; i++)
+ if (avail_to_resrv_perfctr_nmi_bit(i))
+ break;
+ no_ctr_free = (i == 4);
+ if (no_ctr_free) {
+ WARN(1, KERN_WARNING "Warning: AMD perfctrs busy ... "
+ "cpu_khz value may be incorrect.\n");
+ i = 3;
+ rdmsrl(MSR_K7_EVNTSEL3, evntsel3);
+ wrmsrl(MSR_K7_EVNTSEL3, 0);
+ rdmsrl(MSR_K7_PERFCTR3, pmc3);
+ } else {
+ reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i);
+ reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
+ }
+ local_irq_save(flags);
+ /* start measuring cycles, incrementing from 0 */
+ wrmsrl(MSR_K7_PERFCTR0 + i, 0);
+ wrmsrl(MSR_K7_EVNTSEL0 + i, 1 << 22 | 3 << 16 | 0x76);
+ rdtscl(tsc_start);
+ do {
+ rdmsrl(MSR_K7_PERFCTR0 + i, pmc_now);
+ tsc_now = get_cycles();
+ } while ((tsc_now - tsc_start) < TICK_COUNT);
+
+ local_irq_restore(flags);
+ if (no_ctr_free) {
+ wrmsrl(MSR_K7_EVNTSEL3, 0);
+ wrmsrl(MSR_K7_PERFCTR3, pmc3);
+ wrmsrl(MSR_K7_EVNTSEL3, evntsel3);
+ } else {
+ release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
+ release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
+ }
+
+ return pmc_now * tsc_khz / (tsc_now - tsc_start);
+}
+#else
+static inline unsigned long calibrate_cpu(void) { return cpu_khz; }
+#endif
+
void __init tsc_init(void)
{
u64 lpj;
@@ -870,11 +925,9 @@ void __init tsc_init(void)
return;
}
-#ifdef CONFIG_X86_64
if (cpu_has(&boot_cpu_data, X86_FEATURE_CONSTANT_TSC) &&
(boot_cpu_data.x86_vendor == X86_VENDOR_AMD))
cpu_khz = calibrate_cpu();
-#endif
printk("Detected %lu.%03lu MHz processor.\n",
(unsigned long)cpu_khz / 1000,
--
GitLab
From ef4512882dbe9978e7a18ccbcb4cb45705ce5560 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 21 Aug 2009 13:24:08 +0200
Subject: [PATCH 422/742] x86: time_32/64.c unify profile_pc
The code is identical except for the formatting and a useless
#ifdef. Make it the same.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/time_32.c | 13 ++++++-------
arch/x86/kernel/time_64.c | 8 +++++---
2 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index fd876cc77487..fda0c34da757 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -34,23 +34,22 @@ unsigned long profile_pc(struct pt_regs *regs)
{
unsigned long pc = instruction_pointer(regs);
-#ifdef CONFIG_SMP
if (!user_mode_vm(regs) && in_lock_functions(pc)) {
#ifdef CONFIG_FRAME_POINTER
return *(unsigned long *)(regs->bp + sizeof(long));
#else
- unsigned long *sp = (unsigned long *)®s->sp;
-
- /* Return address is either directly at stack pointer
- or above a saved flags. Eflags has bits 22-31 zero,
- kernel addresses don't. */
+ unsigned long *sp = (unsigned long *)regs->sp;
+ /*
+ * Return address is either directly at stack pointer
+ * or above a saved flags. Eflags has bits 22-31 zero,
+ * kernel addresses don't.
+ */
if (sp[0] >> 22)
return sp[0];
if (sp[1] >> 22)
return sp[1];
#endif
}
-#endif
return pc;
}
EXPORT_SYMBOL(profile_pc);
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
index e59a40ebff14..fda0c34da757 100644
--- a/arch/x86/kernel/time_64.c
+++ b/arch/x86/kernel/time_64.c
@@ -34,14 +34,16 @@ unsigned long profile_pc(struct pt_regs *regs)
{
unsigned long pc = instruction_pointer(regs);
- /* Assume the lock function has either no stack frame or a copy
- of flags from PUSHF
- Eflags always has bits 22 and up cleared unlike kernel addresses. */
if (!user_mode_vm(regs) && in_lock_functions(pc)) {
#ifdef CONFIG_FRAME_POINTER
return *(unsigned long *)(regs->bp + sizeof(long));
#else
unsigned long *sp = (unsigned long *)regs->sp;
+ /*
+ * Return address is either directly at stack pointer
+ * or above a saved flags. Eflags has bits 22-31 zero,
+ * kernel addresses don't.
+ */
if (sp[0] >> 22)
return sp[0];
if (sp[1] >> 22)
--
GitLab
From 47926214d8b2bef13b2be57c500194a804f16198 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 16:47:19 +0200
Subject: [PATCH 423/742] x86: Replace the now identical time_32/64.c by time.c
Remove the redundant copy.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/Makefile | 2 +-
arch/x86/kernel/{time_32.c => time.c} | 0
arch/x86/kernel/time_64.c | 121 --------------------------
3 files changed, 1 insertion(+), 122 deletions(-)
rename arch/x86/kernel/{time_32.c => time.c} (100%)
delete mode 100644 arch/x86/kernel/time_64.c
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 313ed6fca9b3..ccf3db607c2d 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -31,7 +31,7 @@ GCOV_PROFILE_paravirt.o := n
obj-y := process_$(BITS).o signal.o entry_$(BITS).o
obj-y += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
-obj-y += time_$(BITS).o ioport.o ldt.o dumpstack.o
+obj-y += time.o ioport.o ldt.o dumpstack.o
obj-y += setup.o x86_init.o i8259.o irqinit.o
obj-$(CONFIG_X86_VISWS) += visws_quirks.o
obj-$(CONFIG_X86_32) += probe_roms_32.o
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time.c
similarity index 100%
rename from arch/x86/kernel/time_32.c
rename to arch/x86/kernel/time.c
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
deleted file mode 100644
index fda0c34da757..000000000000
--- a/arch/x86/kernel/time_64.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (c) 1991,1992,1995 Linus Torvalds
- * Copyright (c) 1994 Alan Modra
- * Copyright (c) 1995 Markus Kuhn
- * Copyright (c) 1996 Ingo Molnar
- * Copyright (c) 1998 Andrea Arcangeli
- * Copyright (c) 2002,2006 Vojtech Pavlik
- * Copyright (c) 2003 Andi Kleen
- *
- */
-
-#include <linux/clockchips.h>
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/mca.h>
-
-#include <asm/vsyscall.h>
-#include <asm/x86_init.h>
-#include <asm/i8259.h>
-#include <asm/i8253.h>
-#include <asm/timer.h>
-#include <asm/hpet.h>
-#include <asm/time.h>
-
-#if defined(CONFIG_X86_32) && defined(CONFIG_X86_IO_APIC)
-int timer_ack;
-#endif
-
-#ifdef CONFIG_X86_64
-volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES;
-#endif
-
-unsigned long profile_pc(struct pt_regs *regs)
-{
- unsigned long pc = instruction_pointer(regs);
-
- if (!user_mode_vm(regs) && in_lock_functions(pc)) {
-#ifdef CONFIG_FRAME_POINTER
- return *(unsigned long *)(regs->bp + sizeof(long));
-#else
- unsigned long *sp = (unsigned long *)regs->sp;
- /*
- * Return address is either directly at stack pointer
- * or above a saved flags. Eflags has bits 22-31 zero,
- * kernel addresses don't.
- */
- if (sp[0] >> 22)
- return sp[0];
- if (sp[1] >> 22)
- return sp[1];
-#endif
- }
- return pc;
-}
-EXPORT_SYMBOL(profile_pc);
-
-/*
- * Default timer interrupt handler for PIT/HPET
- */
-static irqreturn_t timer_interrupt(int irq, void *dev_id)
-{
- /* Keep nmi watchdog up to date */
- inc_irq_stat(irq0_irqs);
-
- /* Optimized out for !IO_APIC and x86_64 */
- if (timer_ack) {
- /*
- * Subtle, when I/O APICs are used we have to ack timer IRQ
- * manually to deassert NMI lines for the watchdog if run
- * on an 82489DX-based system.
- */
- spin_lock(&i8259A_lock);
- outb(0x0c, PIC_MASTER_OCW3);
- /* Ack the IRQ; AEOI will end it automatically. */
- inb(PIC_MASTER_POLL);
- spin_unlock(&i8259A_lock);
- }
-
- global_clock_event->event_handler(global_clock_event);
-
- /* MCA bus quirk: Acknowledge irq0 by setting bit 7 in port 0x61 */
- if (MCA_bus)
- outb_p(inb_p(0x61)| 0x80, 0x61);
-
- return IRQ_HANDLED;
-}
-
-static struct irqaction irq0 = {
- .handler = timer_interrupt,
- .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
- .name = "timer"
-};
-
-void __init setup_default_timer_irq(void)
-{
- irq0.mask = cpumask_of_cpu(0);
- setup_irq(0, &irq0);
-}
-
-/* Default timer init function */
-void __init hpet_time_init(void)
-{
- if (!hpet_enable())
- setup_pit_timer();
- setup_default_timer_irq();
-}
-
-static void x86_late_time_init(void)
-{
- x86_init.timers.timer_init();
-}
-
-/*
- * Initialize TSC and delay the periodic timer init to
- * late x86_late_time_init() so ioremap works.
- */
-void __init time_init(void)
-{
- tsc_init();
- late_time_init = x86_late_time_init;
-}
--
GitLab
From 2d826404f0bdcac2a4dd7e3c446b70d6a3b63b78 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 17:06:25 +0200
Subject: [PATCH 424/742] x86: Move tsc_calibration to x86_init_ops
TSC calibration is modified by the vmware hypervisor and paravirt by
separate means. Moorestown wants to add its own calibration routine as
well. So make calibrate_tsc a proper x86_init_ops function and
override it by paravirt or by the early setup of the vmware
hypervisor.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/hypervisor.h | 2 +-
arch/x86/include/asm/paravirt.h | 1 -
arch/x86/include/asm/timer.h | 5 -----
arch/x86/include/asm/tsc.h | 3 ++-
arch/x86/include/asm/vmware.h | 2 +-
arch/x86/include/asm/x86_init.h | 9 +++++++++
arch/x86/kernel/cpu/hypervisor.c | 14 +++++++-------
arch/x86/kernel/cpu/vmware.c | 21 ++++++++++++---------
arch/x86/kernel/kvmclock.c | 2 +-
arch/x86/kernel/paravirt.c | 1 -
arch/x86/kernel/setup.c | 2 +-
arch/x86/kernel/tsc.c | 13 ++++---------
arch/x86/kernel/vmi_32.c | 2 +-
arch/x86/kernel/vmiclock_32.c | 2 +-
arch/x86/kernel/x86_init.c | 5 +++++
arch/x86/lguest/boot.c | 2 +-
arch/x86/xen/enlighten.c | 3 ++-
17 files changed, 48 insertions(+), 41 deletions(-)
diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h
index 369f5c5d09a1..b78c0941e422 100644
--- a/arch/x86/include/asm/hypervisor.h
+++ b/arch/x86/include/asm/hypervisor.h
@@ -20,7 +20,7 @@
#ifndef ASM_X86__HYPERVISOR_H
#define ASM_X86__HYPERVISOR_H
-extern unsigned long get_hypervisor_tsc_freq(void);
extern void init_hypervisor(struct cpuinfo_x86 *c);
+extern void init_hypervisor_platform(void);
#endif
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 11a4ba7b209c..1e458a553303 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -210,7 +210,6 @@ static inline unsigned long long paravirt_sched_clock(void)
{
return PVOP_CALL0(unsigned long long, pv_time_ops.sched_clock);
}
-#define calibrate_tsc() (pv_time_ops.get_tsc_khz())
static inline unsigned long long paravirt_read_pmc(int counter)
{
diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h
index 65228ccc5f0d..5469630b27f5 100644
--- a/arch/x86/include/asm/timer.h
+++ b/arch/x86/include/asm/timer.h
@@ -8,7 +8,6 @@
#define TICK_SIZE (tick_nsec / 1000)
unsigned long long native_sched_clock(void);
-unsigned long native_calibrate_tsc(void);
extern int recalibrate_cpu_khz(void);
#if defined(CONFIG_X86_32) && defined(CONFIG_X86_IO_APIC)
@@ -19,10 +18,6 @@ extern int timer_ack;
extern int no_timer_check;
-#ifndef CONFIG_PARAVIRT
-#define calibrate_tsc() native_calibrate_tsc()
-#endif
-
/* Accelerators for sched_clock()
* convert from cycles(64bits) => nanoseconds (64bits)
* basic equation:
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index 38ae163cc91b..c0427295e8f5 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -48,7 +48,8 @@ static __always_inline cycles_t vget_cycles(void)
extern void tsc_init(void);
extern void mark_tsc_unstable(char *reason);
extern int unsynchronized_tsc(void);
-int check_tsc_unstable(void);
+extern int check_tsc_unstable(void);
+extern unsigned long native_calibrate_tsc(void);
/*
* Boot-time check whether the TSCs are synchronized across
diff --git a/arch/x86/include/asm/vmware.h b/arch/x86/include/asm/vmware.h
index c11b7e100d83..e49ed6d2fd4e 100644
--- a/arch/x86/include/asm/vmware.h
+++ b/arch/x86/include/asm/vmware.h
@@ -20,7 +20,7 @@
#ifndef ASM_X86__VMWARE_H
#define ASM_X86__VMWARE_H
-extern unsigned long vmware_get_tsc_khz(void);
+extern void vmware_platform_setup(void);
extern int vmware_platform(void);
extern void vmware_set_feature_bits(struct cpuinfo_x86 *c);
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index f8bdd2271a04..20df51871713 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -112,8 +112,17 @@ struct x86_cpuinit_ops {
void (*setup_percpu_clockev)(void);
};
+/**
+ * struct x86_platform_ops - platform specific runtime functions
+ * @calibrate_tsc: calibrate TSC
+ */
+struct x86_platform_ops {
+ unsigned long (*calibrate_tsc)(void);
+};
+
extern struct x86_init_ops x86_init;
extern struct x86_cpuinit_ops x86_cpuinit;
+extern struct x86_platform_ops x86_platform;
extern void x86_init_noop(void);
extern void x86_init_uint_noop(unsigned int unused);
diff --git a/arch/x86/kernel/cpu/hypervisor.c b/arch/x86/kernel/cpu/hypervisor.c
index 93ba8eeb100a..08be922de33a 100644
--- a/arch/x86/kernel/cpu/hypervisor.c
+++ b/arch/x86/kernel/cpu/hypervisor.c
@@ -34,13 +34,6 @@ detect_hypervisor_vendor(struct cpuinfo_x86 *c)
c->x86_hyper_vendor = X86_HYPER_VENDOR_NONE;
}
-unsigned long get_hypervisor_tsc_freq(void)
-{
- if (boot_cpu_data.x86_hyper_vendor == X86_HYPER_VENDOR_VMWARE)
- return vmware_get_tsc_khz();
- return 0;
-}
-
static inline void __cpuinit
hypervisor_set_feature_bits(struct cpuinfo_x86 *c)
{
@@ -55,3 +48,10 @@ void __cpuinit init_hypervisor(struct cpuinfo_x86 *c)
detect_hypervisor_vendor(c);
hypervisor_set_feature_bits(c);
}
+
+void __init init_hypervisor_platform(void)
+{
+ init_hypervisor(&boot_cpu_data);
+ if (boot_cpu_data.x86_hyper_vendor == X86_HYPER_VENDOR_VMWARE)
+ vmware_platform_setup();
+}
diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c
index bc24f514ec93..0a46b4df5d80 100644
--- a/arch/x86/kernel/cpu/vmware.c
+++ b/arch/x86/kernel/cpu/vmware.c
@@ -24,6 +24,7 @@
#include <linux/dmi.h>
#include <asm/div64.h>
#include <asm/vmware.h>
+#include <asm/x86_init.h>
#define CPUID_VMWARE_INFO_LEAF 0x40000000
#define VMWARE_HYPERVISOR_MAGIC 0x564D5868
@@ -47,21 +48,29 @@ static inline int __vmware_platform(void)
return eax != (uint32_t)-1 && ebx == VMWARE_HYPERVISOR_MAGIC;
}
-static unsigned long __vmware_get_tsc_khz(void)
+static unsigned long vmware_get_tsc_khz(void)
{
uint64_t tsc_hz;
uint32_t eax, ebx, ecx, edx;
VMWARE_PORT(GETHZ, eax, ebx, ecx, edx);
- if (ebx == UINT_MAX)
- return 0;
tsc_hz = eax | (((uint64_t)ebx) << 32);
do_div(tsc_hz, 1000);
BUG_ON(tsc_hz >> 32);
return tsc_hz;
}
+void __init vmware_platform_setup(void)
+{
+ uint32_t eax, ebx, ecx, edx;
+
+ VMWARE_PORT(GETHZ, eax, ebx, ecx, edx);
+
+ if (ebx != UINT_MAX)
+ x86_platform.calibrate_tsc = vmware_get_tsc_khz;
+}
+
/*
* While checking the dmi string infomation, just checking the product
* serial key should be enough, as this will always have a VMware
@@ -87,12 +96,6 @@ int vmware_platform(void)
return 0;
}
-unsigned long vmware_get_tsc_khz(void)
-{
- BUG_ON(!vmware_platform());
- return __vmware_get_tsc_khz();
-}
-
/*
* VMware hypervisor takes care of exporting a reliable TSC to the guest.
* Still, due to timing difference when running on virtual cpus, the TSC can
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 64e9b5f59d2d..75a21b61b863 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -187,7 +187,7 @@ void __init kvmclock_init(void)
pv_time_ops.get_wallclock = kvm_get_wallclock;
pv_time_ops.set_wallclock = kvm_set_wallclock;
pv_time_ops.sched_clock = kvm_clock_read;
- pv_time_ops.get_tsc_khz = kvm_get_tsc_khz;
+ x86_platform.calibrate_tsc = kvm_get_tsc_khz;
#ifdef CONFIG_X86_LOCAL_APIC
x86_cpuinit.setup_percpu_clockev =
kvm_setup_secondary_clock;
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 9c0e644a76dc..7cbf898d839b 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -309,7 +309,6 @@ struct pv_time_ops pv_time_ops = {
.get_wallclock = native_get_wallclock,
.set_wallclock = native_set_wallclock,
.sched_clock = native_sched_clock,
- .get_tsc_khz = native_calibrate_tsc,
};
struct pv_irq_ops pv_irq_ops = {
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index bb207a47c631..2d93026af7cd 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -818,7 +818,7 @@ void __init setup_arch(char **cmdline_p)
* VMware detection requires dmi to be available, so this
* needs to be done after dmi_scan_machine, for the BP.
*/
- init_hypervisor(&boot_cpu_data);
+ init_hypervisor_platform();
x86_init.resources.probe_roms();
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 97a0bcbad100..9917632a8b49 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -18,6 +18,7 @@
#include <asm/delay.h>
#include <asm/hypervisor.h>
#include <asm/nmi.h>
+#include <asm/x86_init.h>
unsigned int __read_mostly cpu_khz; /* TSC clocks / usec, not used here */
EXPORT_SYMBOL(cpu_khz);
@@ -401,15 +402,9 @@ unsigned long native_calibrate_tsc(void)
{
u64 tsc1, tsc2, delta, ref1, ref2;
unsigned long tsc_pit_min = ULONG_MAX, tsc_ref_min = ULONG_MAX;
- unsigned long flags, latch, ms, fast_calibrate, hv_tsc_khz;
+ unsigned long flags, latch, ms, fast_calibrate;
int hpet = is_hpet_enabled(), i, loopmin;
- hv_tsc_khz = get_hypervisor_tsc_freq();
- if (hv_tsc_khz) {
- printk(KERN_INFO "TSC: Frequency read from the hypervisor\n");
- return hv_tsc_khz;
- }
-
local_irq_save(flags);
fast_calibrate = quick_pit_calibrate();
local_irq_restore(flags);
@@ -567,7 +562,7 @@ int recalibrate_cpu_khz(void)
unsigned long cpu_khz_old = cpu_khz;
if (cpu_has_tsc) {
- tsc_khz = calibrate_tsc();
+ tsc_khz = x86_platform.calibrate_tsc();
cpu_khz = tsc_khz;
cpu_data(0).loops_per_jiffy =
cpufreq_scale(cpu_data(0).loops_per_jiffy,
@@ -917,7 +912,7 @@ void __init tsc_init(void)
if (!cpu_has_tsc)
return;
- tsc_khz = calibrate_tsc();
+ tsc_khz = x86_platform.calibrate_tsc();
cpu_khz = tsc_khz;
if (!tsc_khz) {
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index cd7d0fbbf66e..052ae81ee08b 100644
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -825,7 +825,7 @@ static inline int __init activate_vmi(void)
x86_cpuinit.setup_percpu_clockev = vmi_time_ap_init;
#endif
pv_time_ops.sched_clock = vmi_sched_clock;
- pv_time_ops.get_tsc_khz = vmi_tsc_khz;
+ x86_platform.calibrate_tsc = vmi_tsc_khz;
/* We have true wallclock functions; disable CMOS clock sync */
no_sync_cmos_clock = 1;
diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c
index 2b3eb82efeeb..611b9e2360d3 100644
--- a/arch/x86/kernel/vmiclock_32.c
+++ b/arch/x86/kernel/vmiclock_32.c
@@ -68,7 +68,7 @@ unsigned long long vmi_sched_clock(void)
return cycles_2_ns(vmi_timer_ops.get_cycle_counter(VMI_CYCLES_AVAILABLE));
}
-/* paravirt_ops.get_tsc_khz = vmi_tsc_khz */
+/* x86_platform.calibrate_tsc = vmi_tsc_khz */
unsigned long vmi_tsc_khz(void)
{
unsigned long long khz;
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 4790b92714a6..13081b921914 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -13,6 +13,7 @@
#include <asm/e820.h>
#include <asm/time.h>
#include <asm/irq.h>
+#include <asm/tsc.h>
void __cpuinit x86_init_noop(void) { }
void __init x86_init_uint_noop(unsigned int unused) { }
@@ -67,3 +68,7 @@ struct __initdata x86_init_ops x86_init = {
__cpuinitdata struct x86_cpuinit_ops x86_cpuinit = {
.setup_percpu_clockev = setup_secondary_APIC_clock,
};
+
+struct x86_platform_ops x86_platform = {
+ .calibrate_tsc = native_calibrate_tsc,
+};
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 6caa8c0c793b..fabe745513d9 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1320,11 +1320,11 @@ __init void lguest_init(void)
/* Time operations */
pv_time_ops.get_wallclock = lguest_get_wallclock;
- pv_time_ops.get_tsc_khz = lguest_tsc_khz;
x86_init.resources.memory_setup = lguest_memory_setup;
x86_init.irqs.intr_init = lguest_init_IRQ;
x86_init.timers.timer_init = lguest_time_init;
+ x86_platform.calibrate_tsc = lguest_tsc_khz;
/*
* Now is a good time to look at the implementations of these functions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 84826b842b54..ee8cac77c8a4 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -844,7 +844,6 @@ static const struct pv_init_ops xen_init_ops __initdata = {
static const struct pv_time_ops xen_time_ops __initdata = {
.set_wallclock = xen_set_wallclock,
.get_wallclock = xen_get_wallclock,
- .get_tsc_khz = xen_tsc_khz,
.sched_clock = xen_sched_clock,
};
@@ -980,6 +979,8 @@ asmlinkage void __init xen_start_kernel(void)
x86_init.timers.setup_percpu_clockev = x86_init_noop;
x86_cpuinit.setup_percpu_clockev = x86_init_noop;
+ x86_platform.calibrate_tsc = xen_tsc_khz;
+
#ifdef CONFIG_X86_64
/*
* Setup percpu state. We only need to do this for 64-bit
--
GitLab
From dd0a70c8f921708eba29ef9f30dde1f14a74af05 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 20 Aug 2009 16:51:07 +0200
Subject: [PATCH 425/742] x86: Move tsc_init to late_time_init
We do not need the TSC before late_time_init. Move the tsc_init to the
late time init code so we can also utilize HPET for calibration (which
we claimed to do but never did except in some older kernel
version). This also helps Moorestown to calibrate the TSC with the
AHBT timer which needs to be initialized in late_time_init like HPET.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/time.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index fda0c34da757..fcece00356a4 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -108,6 +108,7 @@ void __init hpet_time_init(void)
static void x86_late_time_init(void)
{
x86_init.timers.timer_init();
+ tsc_init();
}
/*
@@ -116,6 +117,5 @@ static void x86_late_time_init(void)
*/
void __init time_init(void)
{
- tsc_init();
late_time_init = x86_late_time_init;
}
--
GitLab
From 47a3d5da70f411bc044ecd3c0593b158b09d0efa Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 29 Aug 2009 15:03:59 +0200
Subject: [PATCH 426/742] x86: Add early platform detection
Platforms like Moorestown require early setup and want to avoid the
call to reserve_ebda_region. The x86_init override is too late when
the MRST detection happens in setup_arch. Move the default i386
x86_init overrides and the call to reserve_ebda_region into a separate
function which is called as the default of a switch case depending on
the hardware_subarch id in boot params. This allows us to add a case
for MRST and let MRST have its own early setup function.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/x86_init.h | 3 +--
arch/x86/kernel/head32.c | 22 +++++++++++++++++-----
arch/x86/kernel/head64.c | 3 ++-
arch/x86/kernel/x86_init.c | 1 -
4 files changed, 20 insertions(+), 9 deletions(-)
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 20df51871713..b6c89428137d 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -2,6 +2,7 @@
#define _ASM_X86_PLATFORM_H
#include <asm/pgtable_types.h>
+#include <asm/bootparam.h>
struct mpc_bus;
struct mpc_cpu;
@@ -34,14 +35,12 @@ struct x86_init_mpparse {
* @probe_roms: probe BIOS roms
* @reserve_resources: reserve the standard resources for the
* platform
- * @reserve_ebda_region: reserve the extended bios data area
* @memory_setup: platform specific memory setup
*
*/
struct x86_init_resources {
void (*probe_roms)(void);
void (*reserve_resources)(void);
- void (*reserve_ebda_region)(void);
char *(*memory_setup)(void);
};
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index a21398fac4fa..441c075e2b80 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -15,6 +15,17 @@
#include <asm/trampoline.h>
#include <asm/apic.h>
#include <asm/io_apic.h>
+#include <asm/bios_ebda.h>
+
+static void __init i386_default_early_setup(void)
+{
+ /* Initilize 32bit specific setup functions */
+ x86_init.resources.probe_roms = probe_roms;
+ x86_init.resources.reserve_resources = i386_reserve_resources;
+ x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc;
+
+ reserve_ebda_region();
+}
void __init i386_start_kernel(void)
{
@@ -31,12 +42,13 @@ void __init i386_start_kernel(void)
reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
}
#endif
- /* Initilize 32bit specific setup functions */
- x86_init.resources.probe_roms = probe_roms;
- x86_init.resources.reserve_resources = i386_reserve_resources;
- x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc;
- x86_init.resources.reserve_ebda_region();
+ /* Call the subarch specific early setup function */
+ switch (boot_params.hdr.hardware_subarch) {
+ default:
+ i386_default_early_setup();
+ break;
+ }
/*
* At this point everything still needed from the boot loader
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index cead8149c3de..0b06cd778fd9 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -24,6 +24,7 @@
#include <asm/kdebug.h>
#include <asm/e820.h>
#include <asm/trampoline.h>
+#include <asm/bios_ebda.h>
static void __init zap_identity_mappings(void)
{
@@ -111,7 +112,7 @@ void __init x86_64_start_reservations(char *real_mode_data)
}
#endif
- x86_init.resources.reserve_ebda_region();
+ reserve_ebda_region();
/*
* At this point everything still needed from the boot loader
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 13081b921914..24be7f397894 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -28,7 +28,6 @@ struct __initdata x86_init_ops x86_init = {
.resources = {
.probe_roms = x86_init_noop,
.reserve_resources = reserve_standard_io_resources,
- .reserve_ebda_region = reserve_ebda_region,
.memory_setup = default_machine_specific_memory_setup,
},
--
GitLab
From 162bc7ab01a00eba1c5d614e64a51e1268ee3f96 Mon Sep 17 00:00:00 2001
From: "Pan, Jacob jun" <jacob.jun.pan@intel.com>
Date: Fri, 28 Aug 2009 14:52:47 -0700
Subject: [PATCH 427/742] x86: Add hardware_subarch ID for Moorestown
x86 bootprotocol 2.07 has introduced hardware_subarch ID in the boot
parameters provided by FW. We use it to identify Moorestown platforms.
[ tglx: Cleanup and paravirt fix ]
Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
Documentation/x86/boot.txt | 1 +
arch/x86/include/asm/bootparam.h | 10 ++++++++++
arch/x86/kernel/head_32.S | 1 +
3 files changed, 12 insertions(+)
diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 8da3a795083f..30b43e1b2697 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -599,6 +599,7 @@ Protocol: 2.07+
0x00000000 The default x86/PC environment
0x00000001 lguest
0x00000002 Xen
+ 0x00000003 Moorestown MID
Field name: hardware_subarch_data
Type: write (subarch-dependent)
diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h
index 1724e8de317c..283a9a1b3efd 100644
--- a/arch/x86/include/asm/bootparam.h
+++ b/arch/x86/include/asm/bootparam.h
@@ -109,4 +109,14 @@ struct boot_params {
__u8 _pad9[276]; /* 0xeec */
} __attribute__((packed));
+enum {
+ X86_SUBARCH_PC = 0,
+ X86_SUBARCH_LGUEST,
+ X86_SUBARCH_XEN,
+ X86_SUBARCH_MRST,
+ X86_NR_SUBARCHS,
+};
+
+
+
#endif /* _ASM_X86_BOOTPARAM_H */
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index cc827ac9e8d3..304e3f3d747b 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -157,6 +157,7 @@ subarch_entries:
.long default_entry /* normal x86/PC */
.long lguest_entry /* lguest hypervisor */
.long xen_entry /* Xen hypervisor */
+ .long default_entry /* Moorestown MID */
num_subarch_entries = (. - subarch_entries) / 4
.previous
#endif /* CONFIG_PARAVIRT */
--
GitLab
From 3f4110a48a749a1aa1c54fb807afb3f32f49711c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 29 Aug 2009 14:54:20 +0200
Subject: [PATCH 428/742] x86: Add Moorestown early detection
Moorestown MID devices need to be detected early in the boot process
to setup and do not call x86_default_early_setup as there is no EBDA
region to reserve.
[ Copied the minimal code from Jacobs latest MRST series ]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jacob Pan <jacob.jun.pan@intel.com>
---
arch/x86/Kconfig | 13 +++++++++++++
arch/x86/include/asm/setup.h | 6 ++++++
arch/x86/kernel/Makefile | 1 +
arch/x86/kernel/head32.c | 3 +++
arch/x86/kernel/mrst.c | 24 ++++++++++++++++++++++++
5 files changed, 47 insertions(+)
create mode 100644 arch/x86/kernel/mrst.c
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 13ffa5df37d7..586d84557f75 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -318,6 +318,7 @@ config X86_EXTENDED_PLATFORM
SGI 320/540 (Visual Workstation)
Summit/EXA (IBM x440)
Unisys ES7000 IA32 series
+ Moorestown MID devices
If you have one of these systems, or if you want to build a
generic distribution kernel, say Y here - otherwise say N.
@@ -377,6 +378,18 @@ config X86_ELAN
If unsure, choose "PC-compatible" instead.
+config X86_MRST
+ bool "Moorestown MID platform"
+ depends on X86_32
+ depends on X86_EXTENDED_PLATFORM
+ ---help---
+ Moorestown is Intel's Low Power Intel Architecture (LPIA) based Moblin
+ Internet Device(MID) platform. Moorestown consists of two chips:
+ Lincroft (CPU core, graphics, and memory controller) and Langwell IOH.
+ Unlike standard x86 PCs, Moorestown does not have many legacy devices
+ nor standard legacy replacement devices/features. e.g. Moorestown does
+ not contain i8259, i8254, HPET, legacy BIOS, most of the io ports.
+
config X86_RDC321X
bool "RDC R-321x SoC"
depends on X86_32
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 861e1fe2303b..18e496c98ff0 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -49,6 +49,12 @@ extern void reserve_standard_io_resources(void);
extern void i386_reserve_resources(void);
extern void setup_default_timer_irq(void);
+#ifdef CONFIG_X86_MRST
+extern void x86_mrst_early_setup(void);
+#else
+static inline void x86_mrst_early_setup(void) { }
+#endif
+
#ifndef _SETUP
/*
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index ccf3db607c2d..5f33316610dc 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -104,6 +104,7 @@ obj-$(CONFIG_SCx200) += scx200.o
scx200-y += scx200_32.o
obj-$(CONFIG_OLPC) += olpc.o
+obj-$(CONFIG_X86_MRST) += mrst.o
microcode-y := microcode_core.o
microcode-$(CONFIG_MICROCODE_INTEL) += microcode_intel.o
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 441c075e2b80..4f8e2507e8f3 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -45,6 +45,9 @@ void __init i386_start_kernel(void)
/* Call the subarch specific early setup function */
switch (boot_params.hdr.hardware_subarch) {
+ case X86_SUBARCH_MRST:
+ x86_mrst_early_setup();
+ break;
default:
i386_default_early_setup();
break;
diff --git a/arch/x86/kernel/mrst.c b/arch/x86/kernel/mrst.c
new file mode 100644
index 000000000000..3b7078abc871
--- /dev/null
+++ b/arch/x86/kernel/mrst.c
@@ -0,0 +1,24 @@
+/*
+ * mrst.c: Intel Moorestown platform specific setup code
+ *
+ * (C) Copyright 2008 Intel Corporation
+ * Author: Jacob Pan (jacob.jun.pan@intel.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+#include <linux/init.h>
+
+#include <asm/setup.h>
+
+/*
+ * Moorestown specific x86_init function overrides and early setup
+ * calls.
+ */
+void __init x86_mrst_early_setup(void)
+{
+ x86_init.resources.probe_roms = x86_init_noop;
+ x86_init.resources.reserve_resources = x86_init_noop;
+}
--
GitLab
From bc07844a33734c4b2f32ef26d942d2f3ef9302ea Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 29 Aug 2009 18:09:57 +0200
Subject: [PATCH 429/742] x86: Distangle ioapic and i8259
The proposed Moorestown support patches use an extra feature flag
mechanism to make the ioapic work w/o an i8259. There is a much
simpler solution.
Most i8259 specific functions are already called dependend on the irq
number less than NR_IRQS_LEGACY. Replacing that constant by a
read_mostly variable which can be set to 0 by the platform setup code
allows us to achieve the same without any special feature flags.
That trivial change allows us to proceed with MRST w/o doing a full
blown overhaul of the ioapic code which would delay MRST unduly.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/io_apic.h | 2 ++
arch/x86/kernel/apic/io_apic.c | 41 ++++++++++++++++++++++++----------
2 files changed, 31 insertions(+), 12 deletions(-)
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 2b8aeb89933a..e1f89a1a07ef 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -143,6 +143,8 @@ extern int noioapicreroute;
/* 1 if the timer IRQ uses the '8259A Virtual Wire' mode */
extern int timer_through_8259;
+extern void io_apic_disable_legacy(void);
+
/*
* If we use the IO-APIC for IRQ routing, disable automatic
* assignment of PCI IRQ's.
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 5f4687187ceb..6c961290a5f8 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -91,6 +91,11 @@ struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES];
/* # of MP IRQ source entries */
int mp_irq_entries;
+/* Number of legacy interrupts */
+static int nr_legacy_irqs __read_mostly = NR_IRQS_LEGACY;
+/* GSI interrupts */
+static int nr_irqs_gsi = NR_IRQS_LEGACY;
+
#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
int mp_bus_id_to_type[MAX_MP_BUSSES];
#endif
@@ -172,6 +177,12 @@ static struct irq_cfg irq_cfgx[NR_IRQS] = {
[15] = { .vector = IRQ15_VECTOR, },
};
+void __init io_apic_disable_legacy(void)
+{
+ nr_legacy_irqs = 0;
+ nr_irqs_gsi = 0;
+}
+
int __init arch_early_irq_init(void)
{
struct irq_cfg *cfg;
@@ -189,7 +200,7 @@ int __init arch_early_irq_init(void)
desc->chip_data = &cfg[i];
zalloc_cpumask_var_node(&cfg[i].domain, GFP_NOWAIT, node);
zalloc_cpumask_var_node(&cfg[i].old_domain, GFP_NOWAIT, node);
- if (i < NR_IRQS_LEGACY)
+ if (i < nr_legacy_irqs)
cpumask_setall(cfg[i].domain);
}
@@ -883,7 +894,7 @@ static int __init find_isa_irq_apic(int irq, int type)
*/
static int EISA_ELCR(unsigned int irq)
{
- if (irq < NR_IRQS_LEGACY) {
+ if (irq < nr_legacy_irqs) {
unsigned int port = 0x4d0 + (irq >> 3);
return (inb(port) >> (irq & 7)) & 1;
}
@@ -1480,7 +1491,7 @@ static void setup_IO_APIC_irq(int apic_id, int pin, unsigned int irq, struct irq
}
ioapic_register_intr(irq, desc, trigger);
- if (irq < NR_IRQS_LEGACY)
+ if (irq < nr_legacy_irqs)
disable_8259A_irq(irq);
ioapic_write_entry(apic_id, pin, entry);
@@ -1851,7 +1862,7 @@ __apicdebuginit(void) print_PIC(void)
unsigned int v;
unsigned long flags;
- if (apic_verbosity == APIC_QUIET)
+ if (apic_verbosity == APIC_QUIET || !nr_legacy_irqs)
return;
printk(KERN_DEBUG "\nprinting PIC contents\n");
@@ -1914,6 +1925,10 @@ void __init enable_IO_APIC(void)
spin_unlock_irqrestore(&ioapic_lock, flags);
nr_ioapic_registers[apic] = reg_01.bits.entries+1;
}
+
+ if (!nr_legacy_irqs)
+ return;
+
for(apic = 0; apic < nr_ioapics; apic++) {
int pin;
/* See if any of the pins is in ExtINT mode */
@@ -1968,6 +1983,9 @@ void disable_IO_APIC(void)
*/
clear_IO_APIC();
+ if (!nr_legacy_irqs)
+ return;
+
/*
* If the i8259 is routed through an IOAPIC
* Put that IOAPIC in virtual wire mode
@@ -2198,7 +2216,7 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
struct irq_cfg *cfg;
spin_lock_irqsave(&ioapic_lock, flags);
- if (irq < NR_IRQS_LEGACY) {
+ if (irq < nr_legacy_irqs) {
disable_8259A_irq(irq);
if (i8259A_irq_pending(irq))
was_pending = 1;
@@ -2709,7 +2727,7 @@ static inline void init_IO_APIC_traps(void)
* so default to an old-fashioned 8259
* interrupt if we can..
*/
- if (irq < NR_IRQS_LEGACY)
+ if (irq < nr_legacy_irqs)
make_8259A_irq(irq);
else
/* Strange. Oh, well.. */
@@ -3045,7 +3063,7 @@ out:
* the I/O APIC in all cases now. No actual device should request
* it anyway. --macro
*/
-#define PIC_IRQS (1 << PIC_CASCADE_IR)
+#define PIC_IRQS (1UL << PIC_CASCADE_IR)
void __init setup_IO_APIC(void)
{
@@ -3053,8 +3071,7 @@ void __init setup_IO_APIC(void)
/*
* calling enable_IO_APIC() is moved to setup_local_APIC for BP
*/
-
- io_apic_irqs = ~PIC_IRQS;
+ io_apic_irqs = nr_legacy_irqs ? ~PIC_IRQS : ~0UL;
apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
/*
@@ -3065,7 +3082,8 @@ void __init setup_IO_APIC(void)
sync_Arb_IDs();
setup_IO_APIC_irqs();
init_IO_APIC_traps();
- check_timer();
+ if (nr_legacy_irqs)
+ check_timer();
}
/*
@@ -3166,7 +3184,6 @@ static int __init ioapic_init_sysfs(void)
device_initcall(ioapic_init_sysfs);
-static int nr_irqs_gsi = NR_IRQS_LEGACY;
/*
* Dynamic irq allocate and deallocation
*/
@@ -3907,7 +3924,7 @@ static int __io_apic_set_pci_routing(struct device *dev, int irq,
/*
* IRQs < 16 are already in the irq_2_pin[] map
*/
- if (irq >= NR_IRQS_LEGACY) {
+ if (irq >= nr_legacy_irqs) {
cfg = desc->chip_data;
add_pin_to_irq_node(cfg, node, ioapic, pin);
}
--
GitLab
From e11dadabf443dc3101f28b74d8b9d56870a87db4 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 31 Aug 2009 15:18:40 +0200
Subject: [PATCH 430/742] x86: apic namespace cleanup
boot_cpu_physical_apicid is a global variable and used as function
argument as well. Rename the function arguments to avoid confusion.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/apic.h | 14 +++++++-------
arch/x86/kernel/apic/bigsmp_32.c | 2 +-
arch/x86/kernel/apic/numaq_32.c | 2 +-
arch/x86/kernel/apic/summit_32.c | 2 +-
arch/x86/kernel/setup.c | 4 ++--
5 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 6f15b29005a1..d6a0f2636a61 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -292,7 +292,7 @@ struct apic {
int (*cpu_present_to_apicid)(int mps_cpu);
physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
void (*setup_portio_remap)(void);
- int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
+ int (*check_phys_apicid_present)(int phys_apicid);
void (*enable_apic_mode)(void);
int (*phys_pkg_id)(int cpuid_apic, int index_msb);
@@ -426,7 +426,7 @@ extern struct apic apic_x2apic_uv_x;
DECLARE_PER_CPU(int, x2apic_extra_bits);
extern int default_cpu_present_to_apicid(int mps_cpu);
-extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid);
+extern int default_check_phys_apicid_present(int phys_apicid);
#endif
static inline void default_wait_for_init_deassert(atomic_t *deassert)
@@ -542,9 +542,9 @@ static inline int __default_cpu_present_to_apicid(int mps_cpu)
}
static inline int
-__default_check_phys_apicid_present(int boot_cpu_physical_apicid)
+__default_check_phys_apicid_present(int phys_apicid)
{
- return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
+ return physid_isset(phys_apicid, phys_cpu_present_map);
}
#ifdef CONFIG_X86_32
@@ -554,13 +554,13 @@ static inline int default_cpu_present_to_apicid(int mps_cpu)
}
static inline int
-default_check_phys_apicid_present(int boot_cpu_physical_apicid)
+default_check_phys_apicid_present(int phys_apicid)
{
- return __default_check_phys_apicid_present(boot_cpu_physical_apicid);
+ return __default_check_phys_apicid_present(phys_apicid);
}
#else
extern int default_cpu_present_to_apicid(int mps_cpu);
-extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid);
+extern int default_check_phys_apicid_present(int phys_apicid);
#endif
static inline physid_mask_t default_apicid_to_cpu_present(int phys_apicid)
diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index 676cdac385c0..77a06413b6b2 100644
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -112,7 +112,7 @@ static physid_mask_t bigsmp_ioapic_phys_id_map(physid_mask_t phys_map)
return physids_promote(0xFFL);
}
-static int bigsmp_check_phys_apicid_present(int boot_cpu_physical_apicid)
+static int bigsmp_check_phys_apicid_present(int phys_apicid)
{
return 1;
}
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index f1ebed6bd150..efa00e2b8505 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -413,7 +413,7 @@ static inline physid_mask_t numaq_apicid_to_cpu_present(int logical_apicid)
/* Where the IO area was mapped on multiquad, always 0 otherwise */
void *xquad_portio;
-static inline int numaq_check_phys_apicid_present(int boot_cpu_physical_apicid)
+static inline int numaq_check_phys_apicid_present(int phys_apicid)
{
return 1;
}
diff --git a/arch/x86/kernel/apic/summit_32.c b/arch/x86/kernel/apic/summit_32.c
index eafdfbd1ea95..645ecc4ff0be 100644
--- a/arch/x86/kernel/apic/summit_32.c
+++ b/arch/x86/kernel/apic/summit_32.c
@@ -272,7 +272,7 @@ static physid_mask_t summit_apicid_to_cpu_present(int apicid)
return physid_mask_of_physid(0);
}
-static int summit_check_phys_apicid_present(int boot_cpu_physical_apicid)
+static int summit_check_phys_apicid_present(int physical_apicid)
{
return 1;
}
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 2d93026af7cd..fda22ec1a935 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -129,9 +129,9 @@ int default_cpu_present_to_apicid(int mps_cpu)
return __default_cpu_present_to_apicid(mps_cpu);
}
-int default_check_phys_apicid_present(int boot_cpu_physical_apicid)
+int default_check_phys_apicid_present(int phys_apicid)
{
- return __default_check_phys_apicid_present(boot_cpu_physical_apicid);
+ return __default_check_phys_apicid_present(phys_apicid);
}
#endif
--
GitLab
From 98a56ab382079f777e261e14512cbd4fb2107af4 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 17 Sep 2009 08:48:28 -0400
Subject: [PATCH 431/742] ext4: Fix spelling typo in the trace format for
trace_ext4_da_writepages()
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
include/trace/events/ext4.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 8d433c4e3709..15051d2d1219 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -243,7 +243,7 @@ TRACE_EVENT(ext4_da_writepages,
__entry->range_cyclic = wbc->range_cyclic;
),
- TP_printk("dev %s ino %lu nr_t_write %ld pages_skipped %ld range_start %llu range_end %llu nonblocking %d for_kupdate %d for_reclaim %d range_cyclic %d",
+ TP_printk("dev %s ino %lu nr_to_write %ld pages_skipped %ld range_start %llu range_end %llu nonblocking %d for_kupdate %d for_reclaim %d range_cyclic %d",
jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->nr_to_write,
__entry->pages_skipped, __entry->range_start,
__entry->range_end, __entry->nonblocking,
--
GitLab
From de89de6e0cf4b1eb13f27137cf2aa40d287aabdf Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 31 Aug 2009 17:00:59 -0400
Subject: [PATCH 432/742] ext4: Restore wbc->range_start in
ext4_da_writepages()
To solve a lock inversion problem, we implement part of the
range_cyclic algorithm in ext4_da_writepages(). (See commit 2acf2c26
for more details.)
As part of that change wbc->range_start was modified by ext4's
writepages function, which causes its callers to get confused since
they aren't expecting the filesystem to modify it. The simplest fix
is to save and restore wbc->range_start in ext4_da_writepages.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/inode.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index d61fb523308f..ff659e757578 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2749,6 +2749,7 @@ static int ext4_da_writepages(struct address_space *mapping,
long pages_skipped;
int range_cyclic, cycled = 1, io_done = 0;
int needed_blocks, ret = 0, nr_to_writebump = 0;
+ loff_t range_start = wbc->range_start;
struct ext4_sb_info *sbi = EXT4_SB(mapping->host->i_sb);
trace_ext4_da_writepages(inode, wbc);
@@ -2917,6 +2918,7 @@ out_writepages:
if (!no_nrwrite_index_update)
wbc->no_nrwrite_index_update = 0;
wbc->nr_to_write -= nr_to_writebump;
+ wbc->range_start = range_start;
trace_ext4_da_writepages_result(inode, wbc, ret, pages_written);
return ret;
}
--
GitLab
From b3a3ca8ca0c3c29abc5b2bfe94bb14f3f4590df9 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 31 Aug 2009 23:13:11 -0400
Subject: [PATCH 433/742] ext4: Add new tracepoint: trace_ext4_da_write_pages()
Add a new tracepoint which shows the pages that will be written using
write_cache_pages() by ext4_da_writepages().
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4.h | 15 +++++++++++++++
fs/ext4/inode.c | 13 +------------
include/trace/events/ext4.h | 34 ++++++++++++++++++++++++++++++++++
3 files changed, 50 insertions(+), 12 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 41a76e163b99..81014f4ed22d 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -113,6 +113,21 @@ struct ext4_allocation_request {
unsigned int flags;
};
+/*
+ * For delayed allocation tracking
+ */
+struct mpage_da_data {
+ struct inode *inode;
+ sector_t b_blocknr; /* start block number of extent */
+ size_t b_size; /* size of extent */
+ unsigned long b_state; /* state of the extent */
+ unsigned long first_page, next_page; /* extent of pages */
+ struct writeback_control *wbc;
+ int io_done;
+ int pages_written;
+ int retval;
+};
+
/*
* Special inodes numbers
*/
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index ff659e757578..17802a96af9f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1875,18 +1875,6 @@ static void ext4_da_page_release_reservation(struct page *page,
* Delayed allocation stuff
*/
-struct mpage_da_data {
- struct inode *inode;
- sector_t b_blocknr; /* start block number of extent */
- size_t b_size; /* size of extent */
- unsigned long b_state; /* state of the extent */
- unsigned long first_page, next_page; /* extent of pages */
- struct writeback_control *wbc;
- int io_done;
- int pages_written;
- int retval;
-};
-
/*
* mpage_da_submit_io - walks through extent of pages and try to write
* them with writepage() call back
@@ -2863,6 +2851,7 @@ retry:
mpd.io_done = 1;
ret = MPAGE_DA_EXTENT_TAIL;
}
+ trace_ext4_da_write_pages(inode, &mpd);
wbc->nr_to_write -= mpd.pages_written;
ext4_journal_stop(handle);
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 15051d2d1219..dd43399288ea 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -251,6 +251,40 @@ TRACE_EVENT(ext4_da_writepages,
__entry->range_cyclic)
);
+TRACE_EVENT(ext4_da_write_pages,
+ TP_PROTO(struct inode *inode, struct mpage_da_data *mpd),
+
+ TP_ARGS(inode, mpd),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( __u64, b_blocknr )
+ __field( __u32, b_size )
+ __field( __u32, b_state )
+ __field( unsigned long, first_page )
+ __field( int, io_done )
+ __field( int, pages_written )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->b_blocknr = mpd->b_blocknr;
+ __entry->b_size = mpd->b_size;
+ __entry->b_state = mpd->b_state;
+ __entry->first_page = mpd->first_page;
+ __entry->io_done = mpd->io_done;
+ __entry->pages_written = mpd->pages_written;
+ ),
+
+ TP_printk("dev %s ino %lu b_blocknr %llu b_size %u b_state 0x%04x first_page %lu io_done %d pages_written %d",
+ jbd2_dev_to_name(__entry->dev), __entry->ino,
+ __entry->b_blocknr, __entry->b_size,
+ __entry->b_state, __entry->first_page,
+ __entry->io_done, __entry->pages_written)
+);
+
TRACE_EVENT(ext4_da_writepages_result,
TP_PROTO(struct inode *inode, struct writeback_control *wbc,
int ret, int pages_written),
--
GitLab
From ce3f7cb96e67d6518c7fc7b361a76409c3817d64 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt@console-pimps.org>
Date: Tue, 1 Sep 2009 13:32:48 +0900
Subject: [PATCH 434/742] sh: Fix dcache flushing for N-way write-through
caches.
This adopts the special-cased 2-way write-through dcache flusher for
N-ways and moves it in to the generic path. Assignment is done at runtime
via the check for the CCR_CACHE_WT bit in the same path as the per-way
writeback flushers.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh4.c | 48 ++++++++++++++++++++++++------------------
1 file changed, 27 insertions(+), 21 deletions(-)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 397c1030c7a6..b36a9c986a58 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -25,13 +25,14 @@
#define MAX_DCACHE_PAGES 64 /* XXX: Tune for ways */
#define MAX_ICACHE_PAGES 32
+static void __flush_dcache_segment_writethrough(unsigned long start,
+ unsigned long extent);
static void __flush_dcache_segment_1way(unsigned long start,
unsigned long extent);
static void __flush_dcache_segment_2way(unsigned long start,
unsigned long extent);
static void __flush_dcache_segment_4way(unsigned long start,
unsigned long extent);
-
static void __flush_cache_4096(unsigned long addr, unsigned long phys,
unsigned long exec_offset);
@@ -95,10 +96,17 @@ static void __init emit_cache_params(void)
*/
void __init p3_cache_init(void)
{
+ unsigned int wt_enabled = !!(__raw_readl(CCR) & CCR_CACHE_WT);
+
compute_alias(&boot_cpu_data.icache);
compute_alias(&boot_cpu_data.dcache);
compute_alias(&boot_cpu_data.scache);
+ if (wt_enabled) {
+ __flush_dcache_segment_fn = __flush_dcache_segment_writethrough;
+ goto out;
+ }
+
switch (boot_cpu_data.dcache.ways) {
case 1:
__flush_dcache_segment_fn = __flush_dcache_segment_1way;
@@ -114,6 +122,7 @@ void __init p3_cache_init(void)
break;
}
+out:
emit_cache_params();
}
@@ -607,6 +616,23 @@ static void __flush_cache_4096(unsigned long addr, unsigned long phys,
* - If caches are disabled or configured in write-through mode, then
* the movca.l writes garbage directly into memory.
*/
+static void __flush_dcache_segment_writethrough(unsigned long start,
+ unsigned long extent_per_way)
+{
+ unsigned long addr;
+ int i;
+
+ addr = CACHE_OC_ADDRESS_ARRAY | (start & cpu_data->dcache.entry_mask);
+
+ while (extent_per_way) {
+ for (i = 0; i < cpu_data->dcache.ways; i++)
+ __raw_writel(0, addr + cpu_data->dcache.way_incr * i);
+
+ addr += cpu_data->dcache.linesz;
+ extent_per_way -= cpu_data->dcache.linesz;
+ }
+}
+
static void __flush_dcache_segment_1way(unsigned long start,
unsigned long extent_per_way)
{
@@ -655,25 +681,6 @@ static void __flush_dcache_segment_1way(unsigned long start,
} while (a0 < a0e);
}
-#ifdef CONFIG_CACHE_WRITETHROUGH
-/* This method of cache flushing avoids the problems discussed
- * in the comment above if writethrough caches are enabled. */
-static void __flush_dcache_segment_2way(unsigned long start,
- unsigned long extent_per_way)
-{
- unsigned long array_addr;
-
- array_addr = CACHE_OC_ADDRESS_ARRAY |
- (start & cpu_data->dcache.entry_mask);
-
- while (extent_per_way) {
- ctrl_outl(0, array_addr);
- ctrl_outl(0, array_addr + cpu_data->dcache.way_incr);
- array_addr += cpu_data->dcache.linesz;
- extent_per_way -= cpu_data->dcache.linesz;
- }
-}
-#else
static void __flush_dcache_segment_2way(unsigned long start,
unsigned long extent_per_way)
{
@@ -732,7 +739,6 @@ static void __flush_dcache_segment_2way(unsigned long start,
a1 += linesz;
} while (a0 < a0e);
}
-#endif
static void __flush_dcache_segment_4way(unsigned long start,
unsigned long extent_per_way)
--
GitLab
From 1e1030dccb1084c8a38976d3656aab1d50d762da Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 1 Sep 2009 17:38:32 +0900
Subject: [PATCH 435/742] sh: nmi_debug support.
This implements support for NMI debugging that was shamelessly copied
from the avr32 port. A bit of special magic is needed in the interrupt
exception path given that the NMI exception handler is stubbed in to the
regular exception handling table despite being reported in INTEVT. So we
mangle the lookup and kick off an EXPEVT-style exception dispatch from
the INTEVT path for exceptions that do_IRQ() has no chance of handling.
As a result, we also drop the evt2irq() conversion from the do_IRQ() path
and just do it in assembly.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
Documentation/kernel-parameters.txt | 2 +-
arch/sh/include/asm/kdebug.h | 1 +
arch/sh/include/asm/system.h | 2 +-
arch/sh/kernel/Makefile | 7 +--
arch/sh/kernel/cpu/sh3/entry.S | 26 ++++++++++
arch/sh/kernel/cpu/sh3/ex.S | 4 +-
arch/sh/kernel/irq.c | 2 +-
arch/sh/kernel/nmi_debug.c | 77 +++++++++++++++++++++++++++++
arch/sh/kernel/traps.c | 21 ++++++++
9 files changed, 133 insertions(+), 9 deletions(-)
create mode 100644 arch/sh/kernel/nmi_debug.c
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 7936b801fe6a..76c355214dc3 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1514,7 +1514,7 @@ and is between 256 and 4096 characters. It is defined in the file
of returning the full 64-bit number.
The default is to return 64-bit inode numbers.
- nmi_debug= [KNL,AVR32] Specify one or more actions to take
+ nmi_debug= [KNL,AVR32,SH] Specify one or more actions to take
when a NMI is triggered.
Format: [state][,regs][,debounce][,die]
diff --git a/arch/sh/include/asm/kdebug.h b/arch/sh/include/asm/kdebug.h
index 0b9f896f203c..985219f9759e 100644
--- a/arch/sh/include/asm/kdebug.h
+++ b/arch/sh/include/asm/kdebug.h
@@ -4,6 +4,7 @@
/* Grossly misnamed. */
enum die_val {
DIE_TRAP,
+ DIE_NMI,
DIE_OOPS,
};
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
index 6b272238a46e..b5c5acdc8c0e 100644
--- a/arch/sh/include/asm/system.h
+++ b/arch/sh/include/asm/system.h
@@ -169,7 +169,7 @@ BUILD_TRAP_HANDLER(breakpoint);
BUILD_TRAP_HANDLER(singlestep);
BUILD_TRAP_HANDLER(fpu_error);
BUILD_TRAP_HANDLER(fpu_state_restore);
-BUILD_TRAP_HANDLER(unwinder);
+BUILD_TRAP_HANDLER(nmi);
#ifdef CONFIG_BUG
extern void handle_BUG(struct pt_regs *);
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index f37cf02ad9be..a2d0a40f3848 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -10,9 +10,10 @@ CFLAGS_REMOVE_ftrace.o = -pg
endif
obj-y := debugtraps.o dumpstack.o idle.o io.o io_generic.o irq.o \
- machvec.o process_$(BITS).o ptrace_$(BITS).o setup.o \
- signal_$(BITS).o sys_sh.o sys_sh$(BITS).o syscalls_$(BITS).o \
- time.o topology.o traps.o traps_$(BITS).o unwinder.o
+ machvec.o nmi_debug.o process_$(BITS).o ptrace_$(BITS).o \
+ setup.o signal_$(BITS).o sys_sh.o sys_sh$(BITS).o \
+ syscalls_$(BITS).o time.o topology.o traps.o \
+ traps_$(BITS).o unwinder.o
obj-y += cpu/
obj-$(CONFIG_VSYSCALL) += vsyscall/
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index aebd33d18ff7..d1142d365925 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -532,7 +532,33 @@ ENTRY(handle_interrupt)
mov.l 2f, r4
mov.l 3f, r9
mov.l @r4, r4 ! pass INTEVT vector as arg0
+
+ shlr2 r4
+ shlr r4
+ mov r4, r0 ! save vector->jmp table offset for later
+
+ shlr2 r4 ! vector to IRQ# conversion
+ add #-0x10, r4
+
+ cmp/pz r4 ! is it a valid IRQ?
+ bt 10f
+
+ /*
+ * We got here as a result of taking the INTEVT path for something
+ * that isn't a valid hard IRQ, therefore we bypass the do_IRQ()
+ * path and special case the event dispatch instead. This is the
+ * expected path for the NMI (and any other brilliantly implemented
+ * exception), which effectively wants regular exception dispatch
+ * but is unfortunately reported through INTEVT rather than
+ * EXPEVT. Grr.
+ */
+ mov.l 6f, r9
+ mov.l @(r0, r9), r9
jmp @r9
+ mov r15, r8 ! trap handlers take saved regs in r8
+
+10:
+ jmp @r9 ! Off to do_IRQ() we go.
mov r15, r5 ! pass saved registers as arg1
ENTRY(exception_none)
diff --git a/arch/sh/kernel/cpu/sh3/ex.S b/arch/sh/kernel/cpu/sh3/ex.S
index e5a0de39a2db..46610c35c232 100644
--- a/arch/sh/kernel/cpu/sh3/ex.S
+++ b/arch/sh/kernel/cpu/sh3/ex.S
@@ -48,9 +48,7 @@ ENTRY(exception_handling_table)
.long system_call ! Unconditional Trap /* 160 */
.long exception_error ! reserved_instruction (filled by trap_init) /* 180 */
.long exception_error ! illegal_slot_instruction (filled by trap_init) /*1A0*/
-ENTRY(nmi_slot)
- .long kgdb_handle_exception /* 1C0 */ ! Allow trap to debugger
-ENTRY(user_break_point_trap)
+ .long nmi_trap_handler /* 1C0 */ ! Allow trap to debugger
.long break_point_trap /* 1E0 */
/*
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index d1053392e287..60f8af4497c7 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -114,7 +114,7 @@ asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs)
#endif
irq_enter();
- irq = irq_demux(evt2irq(irq));
+ irq = irq_demux(irq);
#ifdef CONFIG_IRQSTACKS
curctx = (union irq_ctx *)current_thread_info();
diff --git a/arch/sh/kernel/nmi_debug.c b/arch/sh/kernel/nmi_debug.c
new file mode 100644
index 000000000000..ff0abbd1e652
--- /dev/null
+++ b/arch/sh/kernel/nmi_debug.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/delay.h>
+#include <linux/kdebug.h>
+#include <linux/notifier.h>
+#include <linux/sched.h>
+#include <linux/hardirq.h>
+
+enum nmi_action {
+ NMI_SHOW_STATE = 1 << 0,
+ NMI_SHOW_REGS = 1 << 1,
+ NMI_DIE = 1 << 2,
+ NMI_DEBOUNCE = 1 << 3,
+};
+
+static unsigned long nmi_actions;
+
+static int nmi_debug_notify(struct notifier_block *self,
+ unsigned long val, void *data)
+{
+ struct die_args *args = data;
+
+ if (likely(val != DIE_NMI))
+ return NOTIFY_DONE;
+
+ if (nmi_actions & NMI_SHOW_STATE)
+ show_state();
+ if (nmi_actions & NMI_SHOW_REGS)
+ show_regs(args->regs);
+ if (nmi_actions & NMI_DEBOUNCE)
+ mdelay(10);
+ if (nmi_actions & NMI_DIE)
+ return NOTIFY_BAD;
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block nmi_debug_nb = {
+ .notifier_call = nmi_debug_notify,
+};
+
+static int __init nmi_debug_setup(char *str)
+{
+ char *p, *sep;
+
+ register_die_notifier(&nmi_debug_nb);
+
+ if (*str != '=')
+ return 0;
+
+ for (p = str + 1; *p; p = sep + 1) {
+ sep = strchr(p, ',');
+ if (sep)
+ *sep = 0;
+ if (strcmp(p, "state") == 0)
+ nmi_actions |= NMI_SHOW_STATE;
+ else if (strcmp(p, "regs") == 0)
+ nmi_actions |= NMI_SHOW_REGS;
+ else if (strcmp(p, "debounce") == 0)
+ nmi_actions |= NMI_DEBOUNCE;
+ else if (strcmp(p, "die") == 0)
+ nmi_actions |= NMI_DIE;
+ else
+ printk(KERN_WARNING "NMI: Unrecognized action `%s'\n",
+ p);
+ if (!sep)
+ break;
+ }
+
+ return 0;
+}
+__setup("nmi_debug", nmi_debug_setup);
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index f69bd968fcca..a8396f36bd14 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -5,6 +5,7 @@
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/uaccess.h>
+#include <linux/hardirq.h>
#include <asm/unwinder.h>
#include <asm/system.h>
@@ -91,3 +92,23 @@ BUILD_TRAP_HANDLER(bug)
force_sig(SIGTRAP, current);
}
+
+BUILD_TRAP_HANDLER(nmi)
+{
+ TRAP_HANDLER_DECL;
+
+ nmi_enter();
+
+ switch (notify_die(DIE_NMI, "NMI", regs, 0, vec & 0xff, SIGINT)) {
+ case NOTIFY_OK:
+ case NOTIFY_STOP:
+ break;
+ case NOTIFY_BAD:
+ die("Fatal Non-Maskable Interrupt", regs, SIGINT);
+ default:
+ printk(KERN_ALERT "Got NMI, but nobody cared. Ignoring...\n");
+ break;
+ }
+
+ nmi_exit();
+}
--
GitLab
From ade315d83c1d53b3c6b820134cb16601351810fe Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 1 Sep 2009 17:45:35 +0900
Subject: [PATCH 436/742] sh: Kill off kgdb's magical NMI debouncing.
The kgdb stub has traditionally tied in to the NMI slot, and manually
handled debounce. Now that we have a generic way to do this instead, all
of the stub-specific debounce silliness can be killed off.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/kgdb.h | 3 ---
arch/sh/kernel/cpu/sh3/entry.S | 31 -------------------------------
arch/sh/kernel/kgdb.c | 2 --
3 files changed, 36 deletions(-)
diff --git a/arch/sh/include/asm/kgdb.h b/arch/sh/include/asm/kgdb.h
index 72704ed725e5..4235e228d921 100644
--- a/arch/sh/include/asm/kgdb.h
+++ b/arch/sh/include/asm/kgdb.h
@@ -30,9 +30,6 @@ static inline void arch_kgdb_breakpoint(void)
__asm__ __volatile__ ("trapa #0x3c\n");
}
-/* State info */
-extern char in_nmi; /* Debounce flag to prevent NMI reentry*/
-
#define BUFMAX 2048
#define CACHE_FLUSH_IS_SAFE 1
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index d1142d365925..0151933e5253 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -53,10 +53,6 @@
* syscall #
*
*/
-#if defined(CONFIG_KGDB)
-NMI_VEC = 0x1c0 ! Must catch early for debounce
-#endif
-
/* Offsets to the stack */
OFF_R0 = 0 /* Return value. New ABI also arg4 */
OFF_R1 = 4 /* New ABI: arg5 */
@@ -71,7 +67,6 @@ OFF_PC = (16*4)
OFF_SR = (16*4+8)
OFF_TRA = (16*4+6*4)
-
#define k0 r0
#define k1 r1
#define k2 r2
@@ -281,21 +276,12 @@ restore_all:
6: or k0, k2 ! Set the IMASK-bits
ldc k2, ssr
!
-#if defined(CONFIG_KGDB)
- ! Clear in_nmi
- mov.l 6f, k0
- mov #0, k1
- mov.b k1, @k0
-#endif
mov k4, r15
rte
nop
.align 2
5: .long 0x00001000 ! DSP
-#ifdef CONFIG_KGDB
-6: .long in_nmi
-#endif
7: .long 0x30000000
! common exception handler
@@ -487,23 +473,6 @@ ENTRY(save_low_regs)
!
.balign 512,0,512
ENTRY(handle_interrupt)
-#if defined(CONFIG_KGDB)
- mov.l 2f, k2
- ! Debounce (filter nested NMI)
- mov.l @k2, k0
- mov.l 9f, k1
- cmp/eq k1, k0
- bf 11f
- mov.l 10f, k1
- tas.b @k1
- bt 11f
- rte
- nop
- .align 2
-9: .long NMI_VEC
-10: .long in_nmi
-11:
-#endif /* defined(CONFIG_KGDB) */
sts pr, k3 ! save original pr value in k3
mova exception_data, k0
diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
index d29de7864f32..3e532d0d4a5c 100644
--- a/arch/sh/kernel/kgdb.c
+++ b/arch/sh/kernel/kgdb.c
@@ -15,8 +15,6 @@
#include <linux/io.h>
#include <asm/cacheflush.h>
-char in_nmi = 0; /* Set during NMI to prevent re-entry */
-
/* Macros for single step instruction identification */
#define OPCODE_BT(op) (((op) & 0xff00) == 0x8900)
#define OPCODE_BF(op) (((op) & 0xff00) == 0x8b00)
--
GitLab
From 983f4c514c4c9ddac1077a2c805fd16cbe3f7487 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 1 Sep 2009 21:12:55 +0900
Subject: [PATCH 437/742] Revert "sh: Kill off now redundant local irq
disabling."
This reverts commit 64a6d72213dd810dd55bd0a503c36150af41c3c3.
Unfortunately we can't use on_each_cpu() for all of the cache ops, as
some of them only require preempt disabling. This seems to be the same
issue that impacts the mips r4k caches, where this code was based on.
This fixes up a deadlock that showed up in some IRQ context cases.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh2a.c | 6 +++-
arch/sh/mm/cache-sh4.c | 61 ++++++++++++++++++++++-----------------
arch/sh/mm/cache-sh5.c | 29 +++++++++++++++----
arch/sh/mm/cache-sh7705.c | 8 +++++
4 files changed, 71 insertions(+), 33 deletions(-)
diff --git a/arch/sh/mm/cache-sh2a.c b/arch/sh/mm/cache-sh2a.c
index d783361e3f0a..975899d83564 100644
--- a/arch/sh/mm/cache-sh2a.c
+++ b/arch/sh/mm/cache-sh2a.c
@@ -102,10 +102,12 @@ static void sh2a_flush_icache_range(void *args)
struct flusher_data *data = args;
unsigned long start, end;
unsigned long v;
+ unsigned long flags;
start = data->addr1 & ~(L1_CACHE_BYTES-1);
end = (data->addr2 + L1_CACHE_BYTES-1) & ~(L1_CACHE_BYTES-1);
+ local_irq_save(flags);
jump_to_uncached();
for (v = start; v < end; v+=L1_CACHE_BYTES) {
@@ -120,10 +122,12 @@ static void sh2a_flush_icache_range(void *args)
}
}
/* I-Cache invalidate */
- ctrl_outl(addr, CACHE_IC_ADDRESS_ARRAY | addr | 0x00000008);
+ ctrl_outl(addr,
+ CACHE_IC_ADDRESS_ARRAY | addr | 0x00000008);
}
back_to_cached();
+ local_irq_restore(flags);
}
void __init sh2a_cache_init(void)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 70fb906419dd..3ac4945cb493 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -48,44 +48,48 @@ static void sh4_flush_icache_range(void *args)
struct flusher_data *data = args;
int icacheaddr;
unsigned long start, end;
- unsigned long v;
+ unsigned long flags, v;
int i;
start = data->addr1;
end = data->addr2;
- /* If there are too many pages then just blow the caches */
- if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) {
- local_flush_cache_all(args);
- } else {
- /* selectively flush d-cache then invalidate the i-cache */
- /* this is inefficient, so only use for small ranges */
- start &= ~(L1_CACHE_BYTES-1);
- end += L1_CACHE_BYTES-1;
- end &= ~(L1_CACHE_BYTES-1);
-
- jump_to_uncached();
-
- for (v = start; v < end; v+=L1_CACHE_BYTES) {
- __ocbwb(v);
-
- icacheaddr = CACHE_IC_ADDRESS_ARRAY |
- (v & cpu_data->icache.entry_mask);
-
- for (i = 0; i < cpu_data->icache.ways;
- i++, icacheaddr += cpu_data->icache.way_incr)
- /* Clear i-cache line valid-bit */
- ctrl_outl(0, icacheaddr);
- }
+ /* If there are too many pages then just blow the caches */
+ if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) {
+ local_flush_cache_all(args);
+ } else {
+ /* selectively flush d-cache then invalidate the i-cache */
+ /* this is inefficient, so only use for small ranges */
+ start &= ~(L1_CACHE_BYTES-1);
+ end += L1_CACHE_BYTES-1;
+ end &= ~(L1_CACHE_BYTES-1);
+
+ local_irq_save(flags);
+ jump_to_uncached();
+
+ for (v = start; v < end; v+=L1_CACHE_BYTES) {
+ asm volatile("ocbwb %0"
+ : /* no output */
+ : "m" (__m(v)));
+
+ icacheaddr = CACHE_IC_ADDRESS_ARRAY | (
+ v & cpu_data->icache.entry_mask);
+
+ for (i = 0; i < cpu_data->icache.ways;
+ i++, icacheaddr += cpu_data->icache.way_incr)
+ /* Clear i-cache line valid-bit */
+ ctrl_outl(0, icacheaddr);
+ }
back_to_cached();
+ local_irq_restore(flags);
}
}
static inline void flush_cache_4096(unsigned long start,
unsigned long phys)
{
- unsigned long exec_offset = 0;
+ unsigned long flags, exec_offset = 0;
/*
* All types of SH-4 require PC to be in P2 to operate on the I-cache.
@@ -95,8 +99,10 @@ static inline void flush_cache_4096(unsigned long start,
(start < CACHE_OC_ADDRESS_ARRAY))
exec_offset = 0x20000000;
+ local_irq_save(flags);
__flush_cache_4096(start | SH_CACHE_ASSOC,
P1SEGADDR(phys), exec_offset);
+ local_irq_restore(flags);
}
/*
@@ -130,8 +136,9 @@ static void sh4_flush_dcache_page(void *arg)
/* TODO: Selective icache invalidation through IC address array.. */
static void __uses_jump_to_uncached flush_icache_all(void)
{
- unsigned long ccr;
+ unsigned long flags, ccr;
+ local_irq_save(flags);
jump_to_uncached();
/* Flush I-cache */
@@ -143,7 +150,9 @@ static void __uses_jump_to_uncached flush_icache_all(void)
* back_to_cached() will take care of the barrier for us, don't add
* another one!
*/
+
back_to_cached();
+ local_irq_restore(flags);
}
static inline void flush_dcache_all(void)
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
index 2f9dd6df00a6..467ff8e260f7 100644
--- a/arch/sh/mm/cache-sh5.c
+++ b/arch/sh/mm/cache-sh5.c
@@ -34,22 +34,28 @@ static inline void
sh64_setup_dtlb_cache_slot(unsigned long eaddr, unsigned long asid,
unsigned long paddr)
{
+ local_irq_disable();
sh64_setup_tlb_slot(dtlb_cache_slot, eaddr, asid, paddr);
}
static inline void sh64_teardown_dtlb_cache_slot(void)
{
sh64_teardown_tlb_slot(dtlb_cache_slot);
+ local_irq_enable();
}
static inline void sh64_icache_inv_all(void)
{
unsigned long long addr, flag, data;
+ unsigned long flags;
addr = ICCR0;
flag = ICCR0_ICI;
data = 0;
+ /* Make this a critical section for safety (probably not strictly necessary.) */
+ local_irq_save(flags);
+
/* Without %1 it gets unexplicably wrong */
__asm__ __volatile__ (
"getcfg %3, 0, %0\n\t"
@@ -58,6 +64,8 @@ static inline void sh64_icache_inv_all(void)
"synci"
: "=&r" (data)
: "0" (data), "r" (flag), "r" (addr));
+
+ local_irq_restore(flags);
}
static void sh64_icache_inv_kernel_range(unsigned long start, unsigned long end)
@@ -82,6 +90,7 @@ static void sh64_icache_inv_user_page(struct vm_area_struct *vma, unsigned long
Also, eaddr is page-aligned. */
unsigned int cpu = smp_processor_id();
unsigned long long addr, end_addr;
+ unsigned long flags = 0;
unsigned long running_asid, vma_asid;
addr = eaddr;
end_addr = addr + PAGE_SIZE;
@@ -102,9 +111,10 @@ static void sh64_icache_inv_user_page(struct vm_area_struct *vma, unsigned long
running_asid = get_asid();
vma_asid = cpu_asid(cpu, vma->vm_mm);
- if (running_asid != vma_asid)
+ if (running_asid != vma_asid) {
+ local_irq_save(flags);
switch_and_save_asid(vma_asid);
-
+ }
while (addr < end_addr) {
/* Worth unrolling a little */
__asm__ __volatile__("icbi %0, 0" : : "r" (addr));
@@ -113,9 +123,10 @@ static void sh64_icache_inv_user_page(struct vm_area_struct *vma, unsigned long
__asm__ __volatile__("icbi %0, 96" : : "r" (addr));
addr += 128;
}
-
- if (running_asid != vma_asid)
+ if (running_asid != vma_asid) {
switch_and_save_asid(running_asid);
+ local_irq_restore(flags);
+ }
}
static void sh64_icache_inv_user_page_range(struct mm_struct *mm,
@@ -148,12 +159,16 @@ static void sh64_icache_inv_user_page_range(struct mm_struct *mm,
unsigned long eaddr;
unsigned long after_last_page_start;
unsigned long mm_asid, current_asid;
+ unsigned long flags = 0;
mm_asid = cpu_asid(smp_processor_id(), mm);
current_asid = get_asid();
- if (mm_asid != current_asid)
+ if (mm_asid != current_asid) {
+ /* Switch ASID and run the invalidate loop under cli */
+ local_irq_save(flags);
switch_and_save_asid(mm_asid);
+ }
aligned_start = start & PAGE_MASK;
after_last_page_start = PAGE_SIZE + ((end - 1) & PAGE_MASK);
@@ -179,8 +194,10 @@ static void sh64_icache_inv_user_page_range(struct mm_struct *mm,
aligned_start = vma->vm_end; /* Skip to start of next region */
}
- if (mm_asid != current_asid)
+ if (mm_asid != current_asid) {
switch_and_save_asid(current_asid);
+ local_irq_restore(flags);
+ }
}
}
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index 9dc38660e3de..6293f57fa888 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -81,6 +81,7 @@ static void sh7705_flush_icache_range(void *args)
static void __flush_dcache_page(unsigned long phys)
{
unsigned long ways, waysize, addrstart;
+ unsigned long flags;
phys |= SH_CACHE_VALID;
@@ -97,6 +98,7 @@ static void __flush_dcache_page(unsigned long phys)
* potential cache aliasing, therefore the optimisation is probably not
* possible.
*/
+ local_irq_save(flags);
jump_to_uncached();
ways = current_cpu_data.dcache.ways;
@@ -124,6 +126,7 @@ static void __flush_dcache_page(unsigned long phys)
} while (--ways);
back_to_cached();
+ local_irq_restore(flags);
}
/*
@@ -142,9 +145,14 @@ static void sh7705_flush_dcache_page(void *page)
static void sh7705_flush_cache_all(void *args)
{
+ unsigned long flags;
+
+ local_irq_save(flags);
jump_to_uncached();
+
cache_wback_all();
back_to_cached();
+ local_irq_restore(flags);
}
/*
--
GitLab
From 6f3795788b030c3c190fa063adfe519e016cc6fd Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 1 Sep 2009 21:21:36 +0900
Subject: [PATCH 438/742] sh: Fix up UP deadlock with SMP-aware cache ops.
This builds on top of the previous reversion and implements a special
on_each_cpu() variant that simple disables preemption across the call
while leaving the interrupt state to the function itself. There were some
unintended consequences with IRQ disabling in some of these paths on UP
that ran in to a deadlock scenario with IRQs being missed.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache.c | 27 ++++++++++++++++++---------
1 file changed, 18 insertions(+), 9 deletions(-)
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 411fe6058429..db2b1c5beffd 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -34,6 +34,15 @@ static inline void noop__flush_region(void *start, int size)
{
}
+static inline void cacheop_on_each_cpu(void (*func) (void *info), void *info,
+ int wait)
+{
+ preempt_disable();
+ smp_call_function(func, info, wait);
+ func(info);
+ preempt_enable();
+}
+
void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, const void *src,
unsigned long len)
@@ -149,17 +158,17 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
void flush_cache_all(void)
{
- on_each_cpu(local_flush_cache_all, NULL, 1);
+ cacheop_on_each_cpu(local_flush_cache_all, NULL, 1);
}
void flush_cache_mm(struct mm_struct *mm)
{
- on_each_cpu(local_flush_cache_mm, mm, 1);
+ cacheop_on_each_cpu(local_flush_cache_mm, mm, 1);
}
void flush_cache_dup_mm(struct mm_struct *mm)
{
- on_each_cpu(local_flush_cache_dup_mm, mm, 1);
+ cacheop_on_each_cpu(local_flush_cache_dup_mm, mm, 1);
}
void flush_cache_page(struct vm_area_struct *vma, unsigned long addr,
@@ -171,7 +180,7 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long addr,
data.addr1 = addr;
data.addr2 = pfn;
- on_each_cpu(local_flush_cache_page, (void *)&data, 1);
+ cacheop_on_each_cpu(local_flush_cache_page, (void *)&data, 1);
}
void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
@@ -183,12 +192,12 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
data.addr1 = start;
data.addr2 = end;
- on_each_cpu(local_flush_cache_range, (void *)&data, 1);
+ cacheop_on_each_cpu(local_flush_cache_range, (void *)&data, 1);
}
void flush_dcache_page(struct page *page)
{
- on_each_cpu(local_flush_dcache_page, page, 1);
+ cacheop_on_each_cpu(local_flush_dcache_page, page, 1);
}
void flush_icache_range(unsigned long start, unsigned long end)
@@ -199,18 +208,18 @@ void flush_icache_range(unsigned long start, unsigned long end)
data.addr1 = start;
data.addr2 = end;
- on_each_cpu(local_flush_icache_range, (void *)&data, 1);
+ cacheop_on_each_cpu(local_flush_icache_range, (void *)&data, 1);
}
void flush_icache_page(struct vm_area_struct *vma, struct page *page)
{
/* Nothing uses the VMA, so just pass the struct page along */
- on_each_cpu(local_flush_icache_page, page, 1);
+ cacheop_on_each_cpu(local_flush_icache_page, page, 1);
}
void flush_cache_sigtramp(unsigned long address)
{
- on_each_cpu(local_flush_cache_sigtramp, (void *)address, 1);
+ cacheop_on_each_cpu(local_flush_cache_sigtramp, (void *)address, 1);
}
static void compute_alias(struct cache_info *c)
--
GitLab
From 5010c4f7e65b48205cd5ce8147ddf121f3fc7ce7 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 1 Sep 2009 22:37:10 +0900
Subject: [PATCH 439/742] sh: disable trapped I/O on SH7785LCR.
This board doesn't use trapped I/O for anything, so just kill off the
select. This was causing problems in the unhandled page fault die path.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/Kconfig | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index ee5bb200c715..aedd9deb5de2 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -160,7 +160,6 @@ config SH_SH7785LCR
bool "SH7785LCR"
depends on CPU_SUBTYPE_SH7785
select SYS_SUPPORTS_PCI
- select IO_TRAPPED if MMU
config SH_SH7785LCR_29BIT_PHYSMAPS
bool "SH7785LCR 29bit physmaps"
--
GitLab
From d1af119a69fc9a625bd57a66d9c9fa88795b082c Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 1 Sep 2009 22:38:27 +0900
Subject: [PATCH 440/742] sh: Fix up build warning for SH7785LCR proto board.
This fixes up a build warning introduced by the proto board resource
changes.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/board-sh7785lcr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/boards/board-sh7785lcr.c b/arch/sh/boards/board-sh7785lcr.c
index 726427c3522b..e5a8a2fde39c 100644
--- a/arch/sh/boards/board-sh7785lcr.c
+++ b/arch/sh/boards/board-sh7785lcr.c
@@ -285,7 +285,7 @@ static int __init sh7785lcr_devices_setup(void)
ARRAY_SIZE(sh7785lcr_i2c_devices));
if (mach_is_sh7785lcr_pt()) {
- i2c_device.resource = &i2c_proto_resources;
+ i2c_device.resource = i2c_proto_resources;
i2c_device.num_resources = ARRAY_SIZE(i2c_proto_resources);
}
--
GitLab
From da470db16c703d7f9617c366a36c6670f89a9830 Mon Sep 17 00:00:00 2001
From: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Date: Mon, 29 Jun 2009 19:53:41 +0000
Subject: [PATCH 441/742] [CPUFREQ] update Doc for cpuinfo_cur_freq and
scaling_cur_freq
I think the way "cpuinfo_cur_info" and "scaling_cur_info" are defined under
./Documentation/cpu-freq/user-guide.txt can be enhanced. Currently, they are
both defined the same way: "Current speed/frequency" of the CPU, in KHz".
Below is a patch that distinguishes one from the other.
Regards,
- naga -
-----------------------------------------
Update description for "cpuinfo_cur_freq" and "scaling_cur_freq".
Some of the wording is drawn from comments found in
./drivers/cpufreq/cpufreq.c: cpufreq_out_of_sync():
* @old_freq: CPU frequency the kernel thinks the CPU runs at
* @new_freq: CPU frequency the CPU actually runs at
Signed-off-by: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Signed-off-by: Dave Jones <davej@redhat.com>
---
Documentation/cpu-freq/user-guide.txt | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/Documentation/cpu-freq/user-guide.txt b/Documentation/cpu-freq/user-guide.txt
index 5d5f5fadd1c2..2a5b850847c0 100644
--- a/Documentation/cpu-freq/user-guide.txt
+++ b/Documentation/cpu-freq/user-guide.txt
@@ -176,7 +176,9 @@ scaling_governor, and by "echoing" the name of another
work on some specific architectures or
processors.
-cpuinfo_cur_freq : Current speed of the CPU, in KHz.
+cpuinfo_cur_freq : Current frequency of the CPU as obtained from
+ the hardware, in KHz. This is the frequency
+ the CPU actually runs at.
scaling_available_frequencies : List of available frequencies, in KHz.
@@ -196,7 +198,10 @@ related_cpus : List of CPUs that need some sort of frequency
scaling_driver : Hardware driver for cpufreq.
-scaling_cur_freq : Current frequency of the CPU, in KHz.
+scaling_cur_freq : Current frequency of the CPU as determined by
+ the governor and cpufreq core, in KHz. This is
+ the frequency the kernel thinks the CPU runs
+ at.
If you have selected the "userspace" governor which allows you to
set the CPU operating frequency to a specific value, you can read out
--
GitLab
From 54e6fe167b8787460ee39e7c333b96e3e2e6a196 Mon Sep 17 00:00:00 2001
From: Dave Jones <davej@redhat.com>
Date: Wed, 8 Jul 2009 16:28:05 -0400
Subject: [PATCH 442/742] [CPUFREQ] Reduce scope of cpu_sys_dev in
cpufreq_add_dev
Signed-off-by: Dave Jones <davej@redhat.com>
---
drivers/cpufreq/cpufreq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 2968ed6a9c49..ce31e6e3d982 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -773,7 +773,6 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
struct cpufreq_policy new_policy;
struct cpufreq_policy *policy;
struct freq_attr **drv_attr;
- struct sys_device *cpu_sys_dev;
unsigned long flags;
unsigned int j;
@@ -936,6 +935,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
/* symlink affected CPUs */
for_each_cpu(j, policy->cpus) {
struct cpufreq_policy *managed_policy;
+ struct sys_device *cpu_sys_dev;
if (j == cpu)
continue;
--
GitLab
From 059019a3c3353b15d8efac5301f72036cc408bd4 Mon Sep 17 00:00:00 2001
From: Dave Jones <davej@redhat.com>
Date: Wed, 8 Jul 2009 16:30:03 -0400
Subject: [PATCH 443/742] [CPUFREQ] cleanup up -ENOMEM handling in
cpufreq_add_dev
Signed-off-by: Dave Jones <davej@redhat.com>
---
drivers/cpufreq/cpufreq.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index ce31e6e3d982..06eeff3c822f 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -798,19 +798,16 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
goto module_out;
}
+ ret = -ENOMEM;
policy = kzalloc(sizeof(struct cpufreq_policy), GFP_KERNEL);
- if (!policy) {
- ret = -ENOMEM;
+ if (!policy)
goto nomem_out;
- }
- if (!alloc_cpumask_var(&policy->cpus, GFP_KERNEL)) {
- ret = -ENOMEM;
+
+ if (!alloc_cpumask_var(&policy->cpus, GFP_KERNEL))
goto err_free_policy;
- }
- if (!zalloc_cpumask_var(&policy->related_cpus, GFP_KERNEL)) {
- ret = -ENOMEM;
+
+ if (!zalloc_cpumask_var(&policy->related_cpus, GFP_KERNEL))
goto err_free_cpumask;
- }
policy->cpu = cpu;
cpumask_copy(policy->cpus, cpumask_of(cpu));
--
GitLab
From 19d6f7ec3eb1652fc89dd05ebcc2a21a95c60a5a Mon Sep 17 00:00:00 2001
From: Dave Jones <davej@redhat.com>
Date: Wed, 8 Jul 2009 17:35:39 -0400
Subject: [PATCH 444/742] [CPUFREQ] Factor out symlink creation from
cpufreq_add_dev
Signed-off-by: Dave Jones <davej@redhat.com>
---
drivers/cpufreq/cpufreq.c | 51 ++++++++++++++++++++++++---------------
1 file changed, 31 insertions(+), 20 deletions(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 06eeff3c822f..7600c10d275a 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -756,6 +756,34 @@ static struct kobj_type ktype_cpufreq = {
.release = cpufreq_sysfs_release,
};
+/* symlink affected CPUs */
+int cpufreq_add_dev_symlink(unsigned int cpu, struct cpufreq_policy *policy)
+{
+ unsigned int j;
+ int ret = 0;
+
+ for_each_cpu(j, policy->cpus) {
+ struct cpufreq_policy *managed_policy;
+ struct sys_device *cpu_sys_dev;
+
+ if (j == cpu)
+ continue;
+ if (!cpu_online(j))
+ continue;
+
+ dprintk("CPU %u already managed, adding link\n", j);
+ managed_policy = cpufreq_cpu_get(cpu);
+ cpu_sys_dev = get_cpu_sysdev(j);
+ ret = sysfs_create_link(&cpu_sys_dev->kobj, &policy->kobj,
+ "cpufreq");
+ if (ret) {
+ cpufreq_cpu_put(managed_policy);
+ return ret;
+ }
+ }
+ return ret;
+}
+
/**
* cpufreq_add_dev - add a CPU device
@@ -929,26 +957,9 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
}
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
- /* symlink affected CPUs */
- for_each_cpu(j, policy->cpus) {
- struct cpufreq_policy *managed_policy;
- struct sys_device *cpu_sys_dev;
-
- if (j == cpu)
- continue;
- if (!cpu_online(j))
- continue;
-
- dprintk("CPU %u already managed, adding link\n", j);
- managed_policy = cpufreq_cpu_get(cpu);
- cpu_sys_dev = get_cpu_sysdev(j);
- ret = sysfs_create_link(&cpu_sys_dev->kobj, &policy->kobj,
- "cpufreq");
- if (ret) {
- cpufreq_cpu_put(managed_policy);
- goto err_out_unregister;
- }
- }
+ ret = cpufreq_add_dev_symlink(cpu, policy->cpus, policy);
+ if (ret)
+ goto err_out_unregister;
policy->governor = NULL; /* to assure that the starting sequence is
* run in cpufreq_set_policy */
--
GitLab
From 909a694e336bf3a6e48b5b51129887a1c5cae04c Mon Sep 17 00:00:00 2001
From: Dave Jones <davej@redhat.com>
Date: Wed, 8 Jul 2009 18:05:42 -0400
Subject: [PATCH 445/742] [CPUFREQ] Factor out interface creation from
cpufreq_add_dev
Signed-off-by: Dave Jones <davej@redhat.com>
---
drivers/cpufreq/cpufreq.c | 89 +++++++++++++++++++++++----------------
1 file changed, 52 insertions(+), 37 deletions(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 7600c10d275a..0ee008da46f2 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -784,6 +784,57 @@ int cpufreq_add_dev_symlink(unsigned int cpu, struct cpufreq_policy *policy)
return ret;
}
+int cpufreq_add_dev_interface(unsigned int cpu, struct cpufreq_policy *policy,
+ struct sys_device *sys_dev)
+{
+ struct freq_attr **drv_attr;
+ unsigned long flags;
+ int ret = 0;
+ unsigned int j;
+
+ /* prepare interface data */
+ ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq,
+ &sys_dev->kobj, "cpufreq");
+ if (ret)
+ return ret;
+
+ /* set up files for this cpu device */
+ drv_attr = cpufreq_driver->attr;
+ while ((drv_attr) && (*drv_attr)) {
+ ret = sysfs_create_file(&policy->kobj, &((*drv_attr)->attr));
+ if (ret)
+ goto err_out_kobj_put;
+ drv_attr++;
+ }
+ if (cpufreq_driver->get) {
+ ret = sysfs_create_file(&policy->kobj, &cpuinfo_cur_freq.attr);
+ if (ret)
+ goto err_out_kobj_put;
+ }
+ if (cpufreq_driver->target) {
+ ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr);
+ if (ret)
+ goto err_out_kobj_put;
+ }
+
+ spin_lock_irqsave(&cpufreq_driver_lock, flags);
+ for_each_cpu(j, policy->cpus) {
+ if (!cpu_online(j))
+ continue;
+ per_cpu(cpufreq_cpu_data, j) = policy;
+ per_cpu(policy_cpu, j) = policy->cpu;
+ }
+ spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
+
+ ret = cpufreq_add_dev_symlink(cpu, policy);
+ return ret;
+
+err_out_kobj_put:
+ kobject_put(&policy->kobj);
+ wait_for_completion(&policy->kobj_unregister);
+ return ret;
+}
+
/**
* cpufreq_add_dev - add a CPU device
@@ -800,7 +851,6 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
int ret = 0;
struct cpufreq_policy new_policy;
struct cpufreq_policy *policy;
- struct freq_attr **drv_attr;
unsigned long flags;
unsigned int j;
@@ -923,41 +973,7 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
#endif
memcpy(&new_policy, policy, sizeof(struct cpufreq_policy));
- /* prepare interface data */
- ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, &sys_dev->kobj,
- "cpufreq");
- if (ret)
- goto out_driver_exit;
-
- /* set up files for this cpu device */
- drv_attr = cpufreq_driver->attr;
- while ((drv_attr) && (*drv_attr)) {
- ret = sysfs_create_file(&policy->kobj, &((*drv_attr)->attr));
- if (ret)
- goto err_out_kobj_put;
- drv_attr++;
- }
- if (cpufreq_driver->get) {
- ret = sysfs_create_file(&policy->kobj, &cpuinfo_cur_freq.attr);
- if (ret)
- goto err_out_kobj_put;
- }
- if (cpufreq_driver->target) {
- ret = sysfs_create_file(&policy->kobj, &scaling_cur_freq.attr);
- if (ret)
- goto err_out_kobj_put;
- }
-
- spin_lock_irqsave(&cpufreq_driver_lock, flags);
- for_each_cpu(j, policy->cpus) {
- if (!cpu_online(j))
- continue;
- per_cpu(cpufreq_cpu_data, j) = policy;
- per_cpu(policy_cpu, j) = policy->cpu;
- }
- spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
-
- ret = cpufreq_add_dev_symlink(cpu, policy->cpus, policy);
+ ret = cpufreq_add_dev_interface(cpu, policy, sys_dev);
if (ret)
goto err_out_unregister;
@@ -990,7 +1006,6 @@ err_out_unregister:
per_cpu(cpufreq_cpu_data, j) = NULL;
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
-err_out_kobj_put:
kobject_put(&policy->kobj);
wait_for_completion(&policy->kobj_unregister);
--
GitLab
From ecf7e4611c89aba7c7fde1183f7e9357695fbcc5 Mon Sep 17 00:00:00 2001
From: Dave Jones <davej@redhat.com>
Date: Wed, 8 Jul 2009 18:48:47 -0400
Subject: [PATCH 446/742] [CPUFREQ] Factor out policy setting from
cpufreq_add_dev
Signed-off-by: Dave Jones <davej@redhat.com>
---
drivers/cpufreq/cpufreq.c | 166 +++++++++++++++++++++-----------------
1 file changed, 90 insertions(+), 76 deletions(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 0ee008da46f2..845687884c1e 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -756,6 +756,75 @@ static struct kobj_type ktype_cpufreq = {
.release = cpufreq_sysfs_release,
};
+
+int cpufreq_add_dev_policy(unsigned int cpu, struct cpufreq_policy *policy,
+ struct sys_device *sys_dev)
+{
+ int ret = 0;
+#ifdef CONFIG_SMP
+ unsigned long flags;
+ unsigned int j;
+
+#ifdef CONFIG_HOTPLUG_CPU
+ if (per_cpu(cpufreq_cpu_governor, cpu)) {
+ policy->governor = per_cpu(cpufreq_cpu_governor, cpu);
+ dprintk("Restoring governor %s for cpu %d\n",
+ policy->governor->name, cpu);
+ }
+#endif
+
+ for_each_cpu(j, policy->cpus) {
+ struct cpufreq_policy *managed_policy;
+
+ if (cpu == j)
+ continue;
+
+ /* Check for existing affected CPUs.
+ * They may not be aware of it due to CPU Hotplug.
+ * cpufreq_cpu_put is called when the device is removed
+ * in __cpufreq_remove_dev()
+ */
+ managed_policy = cpufreq_cpu_get(j);
+ if (unlikely(managed_policy)) {
+
+ /* Set proper policy_cpu */
+ unlock_policy_rwsem_write(cpu);
+ per_cpu(policy_cpu, cpu) = managed_policy->cpu;
+
+ if (lock_policy_rwsem_write(cpu) < 0) {
+ /* Should not go through policy unlock path */
+ if (cpufreq_driver->exit)
+ cpufreq_driver->exit(policy);
+ cpufreq_cpu_put(managed_policy);
+ return -EBUSY;
+ }
+
+ spin_lock_irqsave(&cpufreq_driver_lock, flags);
+ cpumask_copy(managed_policy->cpus, policy->cpus);
+ per_cpu(cpufreq_cpu_data, cpu) = managed_policy;
+ spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
+
+ dprintk("CPU already managed, adding link\n");
+ ret = sysfs_create_link(&sys_dev->kobj,
+ &managed_policy->kobj,
+ "cpufreq");
+ if (ret)
+ cpufreq_cpu_put(managed_policy);
+ /*
+ * Success. We only needed to be added to the mask.
+ * Call driver->exit() because only the cpu parent of
+ * the kobj needed to call init().
+ */
+ if (cpufreq_driver->exit)
+ cpufreq_driver->exit(policy);
+ return ret;
+ }
+ }
+#endif
+ return ret;
+}
+
+
/* symlink affected CPUs */
int cpufreq_add_dev_symlink(unsigned int cpu, struct cpufreq_policy *policy)
{
@@ -787,6 +856,7 @@ int cpufreq_add_dev_symlink(unsigned int cpu, struct cpufreq_policy *policy)
int cpufreq_add_dev_interface(unsigned int cpu, struct cpufreq_policy *policy,
struct sys_device *sys_dev)
{
+ struct cpufreq_policy new_policy;
struct freq_attr **drv_attr;
unsigned long flags;
int ret = 0;
@@ -827,6 +897,23 @@ int cpufreq_add_dev_interface(unsigned int cpu, struct cpufreq_policy *policy,
spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
ret = cpufreq_add_dev_symlink(cpu, policy);
+ if (ret)
+ goto err_out_kobj_put;
+
+ memcpy(&new_policy, policy, sizeof(struct cpufreq_policy));
+ /* assure that the starting sequence is run in __cpufreq_set_policy */
+ policy->governor = NULL;
+
+ /* set default policy */
+ ret = __cpufreq_set_policy(policy, &new_policy);
+ policy->user_policy.policy = policy->policy;
+ policy->user_policy.governor = policy->governor;
+
+ if (ret) {
+ dprintk("setting policy failed\n");
+ if (cpufreq_driver->exit)
+ cpufreq_driver->exit(policy);
+ }
return ret;
err_out_kobj_put:
@@ -849,7 +936,6 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
{
unsigned int cpu = sys_dev->id;
int ret = 0;
- struct cpufreq_policy new_policy;
struct cpufreq_policy *policy;
unsigned long flags;
unsigned int j;
@@ -914,82 +1000,14 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
CPUFREQ_START, policy);
-#ifdef CONFIG_SMP
-
-#ifdef CONFIG_HOTPLUG_CPU
- if (per_cpu(cpufreq_cpu_governor, cpu)) {
- policy->governor = per_cpu(cpufreq_cpu_governor, cpu);
- dprintk("Restoring governor %s for cpu %d\n",
- policy->governor->name, cpu);
- }
-#endif
-
- for_each_cpu(j, policy->cpus) {
- struct cpufreq_policy *managed_policy;
-
- if (cpu == j)
- continue;
-
- /* Check for existing affected CPUs.
- * They may not be aware of it due to CPU Hotplug.
- * cpufreq_cpu_put is called when the device is removed
- * in __cpufreq_remove_dev()
- */
- managed_policy = cpufreq_cpu_get(j);
- if (unlikely(managed_policy)) {
-
- /* Set proper policy_cpu */
- unlock_policy_rwsem_write(cpu);
- per_cpu(policy_cpu, cpu) = managed_policy->cpu;
-
- if (lock_policy_rwsem_write(cpu) < 0) {
- /* Should not go through policy unlock path */
- if (cpufreq_driver->exit)
- cpufreq_driver->exit(policy);
- ret = -EBUSY;
- cpufreq_cpu_put(managed_policy);
- goto err_free_cpumask;
- }
-
- spin_lock_irqsave(&cpufreq_driver_lock, flags);
- cpumask_copy(managed_policy->cpus, policy->cpus);
- per_cpu(cpufreq_cpu_data, cpu) = managed_policy;
- spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
-
- dprintk("CPU already managed, adding link\n");
- ret = sysfs_create_link(&sys_dev->kobj,
- &managed_policy->kobj,
- "cpufreq");
- if (ret)
- cpufreq_cpu_put(managed_policy);
- /*
- * Success. We only needed to be added to the mask.
- * Call driver->exit() because only the cpu parent of
- * the kobj needed to call init().
- */
- goto out_driver_exit; /* call driver->exit() */
- }
- }
-#endif
- memcpy(&new_policy, policy, sizeof(struct cpufreq_policy));
+ ret = cpufreq_add_dev_policy(cpu, policy, sys_dev);
+ if (ret)
+ goto err_unlock_policy;
ret = cpufreq_add_dev_interface(cpu, policy, sys_dev);
if (ret)
goto err_out_unregister;
- policy->governor = NULL; /* to assure that the starting sequence is
- * run in cpufreq_set_policy */
-
- /* set default policy */
- ret = __cpufreq_set_policy(policy, &new_policy);
- policy->user_policy.policy = policy->policy;
- policy->user_policy.governor = policy->governor;
-
- if (ret) {
- dprintk("setting policy failed\n");
- goto err_out_unregister;
- }
-
unlock_policy_rwsem_write(cpu);
kobject_uevent(&policy->kobj, KOBJ_ADD);
@@ -1009,10 +1027,6 @@ err_out_unregister:
kobject_put(&policy->kobj);
wait_for_completion(&policy->kobj_unregister);
-out_driver_exit:
- if (cpufreq_driver->exit)
- cpufreq_driver->exit(policy);
-
err_unlock_policy:
unlock_policy_rwsem_write(cpu);
err_free_cpumask:
--
GitLab
From 4bfa042cd304aa48cf05cd0a13c2d0794a675c0e Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Fri, 24 Jul 2009 15:25:03 +0200
Subject: [PATCH 447/742] [CPUFREQ] Bail out of cpufreq_add_dev if the link for
a managed CPU got created
Doing:
echo 0 >cpu1/online
echo 1 >cpu1/online
on a managed CPU will result in:
Jul 22 15:15:37 linux kernel: [ 80.013864] WARNING: at fs/sysfs/dir.c:487 sysfs_add_one+0xcf/0xe6()
Jul 22 15:15:37 linux kernel: [ 80.013866] Hardware name: To Be Filled By O.E.M.
Jul 22 15:15:37 linux kernel: [ 80.013868] sysfs: cannot create duplicate filename '/devices/system/cpu/cpu1/cpufreq'
Jul 22 15:15:37 linux kernel: [ 80.013870] Modules linked in: powernow_k8
Jul 22 15:15:37 linux kernel: [ 80.013874] Pid: 5750, comm: bash Not tainted 2.6.31-rc2 #40
Jul 22 15:15:37 linux kernel: [ 80.013876] Call Trace:
Jul 22 15:15:37 linux kernel: [ 80.013879] [<ffffffff8112ebda>] ? sysfs_add_one+0xcf/0xe6
Jul 22 15:15:37 linux kernel: [ 80.013884] [<ffffffff81041926>] warn_slowpath_common+0x77/0xa4
Jul 22 15:15:37 linux kernel: [ 80.013888] [<ffffffff810419a0>] warn_slowpath_fmt+0x3c/0x3e
Jul 22 15:15:37 linux kernel: [ 80.013891] [<ffffffff8112ebda>] sysfs_add_one+0xcf/0xe6
Jul 22 15:15:37 linux kernel: [ 80.013894] [<ffffffff8112f213>] create_dir+0x58/0x87
Jul 22 15:15:37 linux kernel: [ 80.013898] [<ffffffff8112f27a>] sysfs_create_dir+0x38/0x4f
Jul 22 15:15:37 linux kernel: [ 80.013902] [<ffffffff811ffb8a>] kobject_add_internal+0x11f/0x1de
Jul 22 15:15:37 linux kernel: [ 80.013905] [<ffffffff811ffd21>] kobject_add_varg+0x41/0x4e
Jul 22 15:15:37 linux kernel: [ 80.013908] [<ffffffff811ffd7a>] kobject_init_and_add+0x4c/0x57
Jul 22 15:15:37 linux kernel: [ 80.013913] [<ffffffff810667bc>] ? mark_lock+0x22/0x228
Jul 22 15:15:37 linux kernel: [ 80.013918] [<ffffffff813e8a3b>] cpufreq_add_dev_interface+0x40/0x1e4
...
This bug slipped in by git commit:
150b06f7f223cfd0f808737a5243cceca8ea47fa
When splitting up cpufreq_add_dev, the whole cpufreq_add_dev function
is not left anymore, only cpufreq_add_dev_policy.
This patch should reconstruct the identical functionality again as it
was before the split.
CC: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dave Jones <davej@redhat.com>
---
drivers/cpufreq/cpufreq.c | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 845687884c1e..bbd5c2164ab6 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -756,7 +756,12 @@ static struct kobj_type ktype_cpufreq = {
.release = cpufreq_sysfs_release,
};
-
+/*
+ * Returns:
+ * Negative: Failure
+ * 0: Success
+ * Positive: When we have a managed CPU and the sysfs got symlinked
+ */
int cpufreq_add_dev_policy(unsigned int cpu, struct cpufreq_policy *policy,
struct sys_device *sys_dev)
{
@@ -817,7 +822,11 @@ int cpufreq_add_dev_policy(unsigned int cpu, struct cpufreq_policy *policy,
*/
if (cpufreq_driver->exit)
cpufreq_driver->exit(policy);
- return ret;
+
+ if (!ret)
+ return 1;
+ else
+ return ret;
}
}
#endif
@@ -1001,8 +1010,13 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
CPUFREQ_START, policy);
ret = cpufreq_add_dev_policy(cpu, policy, sys_dev);
- if (ret)
+ if (ret) {
+ if (ret > 0)
+ /* This is a managed cpu, symlink created,
+ exit with 0 */
+ ret = 0;
goto err_unlock_policy;
+ }
ret = cpufreq_add_dev_interface(cpu, policy, sys_dev);
if (ret)
--
GitLab
From 8aa84ad8d6c740a04386f599694609ee4998e82e Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Fri, 24 Jul 2009 15:25:05 +0200
Subject: [PATCH 448/742] [CPUFREQ] Introduce global, not per core:
/sys/devices/system/cpu/cpufreq
Currently everything in the cpufreq layer is per core based.
This does not reflect reality, for example ondemand on conservative
governors have global sysfs variables.
Introduce a global cpufreq directory and add the kobject to the governor
struct, so that governors can easily access it.
The directory is initialized in the cpufreq_core_init initcall and thus will
always be created if cpufreq is compiled in, even if no cpufreq driver is
active later.
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dave Jones <davej@redhat.com>
---
drivers/cpufreq/cpufreq.c | 9 ++++++++-
include/linux/cpufreq.h | 10 ++++++++++
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index bbd5c2164ab6..4da28444b235 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -686,6 +686,9 @@ static struct attribute *default_attrs[] = {
NULL
};
+struct kobject *cpufreq_global_kobject;
+EXPORT_SYMBOL(cpufreq_global_kobject);
+
#define to_policy(k) container_of(k, struct cpufreq_policy, kobj)
#define to_attr(a) container_of(a, struct freq_attr, attr)
@@ -1935,7 +1938,11 @@ static int __init cpufreq_core_init(void)
per_cpu(policy_cpu, cpu) = -1;
init_rwsem(&per_cpu(cpu_policy_rwsem, cpu));
}
+
+ cpufreq_global_kobject = kobject_create_and_add("cpufreq",
+ &cpu_sysdev_class.kset.kobj);
+ BUG_ON(!cpufreq_global_kobject);
+
return 0;
}
-
core_initcall(cpufreq_core_init);
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 161042746afc..44717eb47639 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -65,6 +65,9 @@ static inline int cpufreq_unregister_notifier(struct notifier_block *nb,
struct cpufreq_governor;
+/* /sys/devices/system/cpu/cpufreq: entry point for global variables */
+extern struct kobject *cpufreq_global_kobject;
+
#define CPUFREQ_ETERNAL (-1)
struct cpufreq_cpuinfo {
unsigned int max_freq;
@@ -274,6 +277,13 @@ struct freq_attr {
ssize_t (*store)(struct cpufreq_policy *, const char *, size_t count);
};
+struct global_attr {
+ struct attribute attr;
+ ssize_t (*show)(struct kobject *kobj,
+ struct attribute *attr, char *buf);
+ ssize_t (*store)(struct kobject *a, struct attribute *b,
+ const char *c, size_t count);
+};
/*********************************************************************
* CPUFREQ 2.6. INTERFACE *
--
GitLab
From 0e625ac153126a0a62b7635fa9dc91f87ff39e38 Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Fri, 24 Jul 2009 15:25:06 +0200
Subject: [PATCH 449/742] [CPUFREQ] ondemand - Use global sysfs dir for tuning
settings
Ondemand has only global variables for userspace tunings via sysfs.
But they were exposed per CPU which wrongly implies to the user that
his settings are applied per cpu. Also locking sysfs against concurrent
access won't be necessary anymore after deprecation time.
This means the ondemand config dir is moved:
/sys/devices/system/cpu/cpu*/cpufreq/ondemand ->
/sys/devices/system/cpu/cpufreq/ondemand
The old files will still exist, but reading or writing to them will
result in one (printk_once) deprecation msg to syslog per file.
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dave Jones <davej@redhat.com>
---
drivers/cpufreq/cpufreq_ondemand.c | 139 +++++++++++++++++++++++------
1 file changed, 113 insertions(+), 26 deletions(-)
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index d6ba14276bb1..1a3e5c7252ff 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -55,6 +55,18 @@ static unsigned int min_sampling_rate;
#define TRANSITION_LATENCY_LIMIT (10 * 1000 * 1000)
static void do_dbs_timer(struct work_struct *work);
+static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
+ unsigned int event);
+
+#ifndef CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND
+static
+#endif
+struct cpufreq_governor cpufreq_gov_ondemand = {
+ .name = "ondemand",
+ .governor = cpufreq_governor_dbs,
+ .max_transition_latency = TRANSITION_LATENCY_LIMIT,
+ .owner = THIS_MODULE,
+};
/* Sampling types */
enum {DBS_NORMAL_SAMPLE, DBS_SUB_SAMPLE};
@@ -206,20 +218,23 @@ static void ondemand_powersave_bias_init(void)
}
/************************** sysfs interface ************************/
-static ssize_t show_sampling_rate_max(struct cpufreq_policy *policy, char *buf)
+
+static ssize_t show_sampling_rate_max(struct kobject *kobj,
+ struct attribute *attr, char *buf)
{
printk_once(KERN_INFO "CPUFREQ: ondemand sampling_rate_max "
"sysfs file is deprecated - used by: %s\n", current->comm);
return sprintf(buf, "%u\n", -1U);
}
-static ssize_t show_sampling_rate_min(struct cpufreq_policy *policy, char *buf)
+static ssize_t show_sampling_rate_min(struct kobject *kobj,
+ struct attribute *attr, char *buf)
{
return sprintf(buf, "%u\n", min_sampling_rate);
}
#define define_one_ro(_name) \
-static struct freq_attr _name = \
+static struct global_attr _name = \
__ATTR(_name, 0444, show_##_name, NULL)
define_one_ro(sampling_rate_max);
@@ -228,7 +243,7 @@ define_one_ro(sampling_rate_min);
/* cpufreq_ondemand Governor Tunables */
#define show_one(file_name, object) \
static ssize_t show_##file_name \
-(struct cpufreq_policy *unused, char *buf) \
+(struct kobject *kobj, struct attribute *attr, char *buf) \
{ \
return sprintf(buf, "%u\n", dbs_tuners_ins.object); \
}
@@ -237,8 +252,38 @@ show_one(up_threshold, up_threshold);
show_one(ignore_nice_load, ignore_nice);
show_one(powersave_bias, powersave_bias);
-static ssize_t store_sampling_rate(struct cpufreq_policy *unused,
- const char *buf, size_t count)
+/*** delete after deprecation time ***/
+
+#define DEPRECATION_MSG(file_name) \
+ printk_once(KERN_INFO "CPUFREQ: Per core ondemand sysfs " \
+ "interface is deprecated - " #file_name "\n");
+
+#define show_one_old(file_name) \
+static ssize_t show_##file_name##_old \
+(struct cpufreq_policy *unused, char *buf) \
+{ \
+ printk_once(KERN_INFO "CPUFREQ: Per core ondemand sysfs " \
+ "interface is deprecated - " #file_name "\n"); \
+ return show_##file_name(NULL, NULL, buf); \
+}
+show_one_old(sampling_rate);
+show_one_old(up_threshold);
+show_one_old(ignore_nice_load);
+show_one_old(powersave_bias);
+show_one_old(sampling_rate_min);
+show_one_old(sampling_rate_max);
+
+#define define_one_ro_old(object, _name) \
+static struct freq_attr object = \
+__ATTR(_name, 0444, show_##_name##_old, NULL)
+
+define_one_ro_old(sampling_rate_min_old, sampling_rate_min);
+define_one_ro_old(sampling_rate_max_old, sampling_rate_max);
+
+/*** delete after deprecation time ***/
+
+static ssize_t store_sampling_rate(struct kobject *a, struct attribute *b,
+ const char *buf, size_t count)
{
unsigned int input;
int ret;
@@ -253,8 +298,8 @@ static ssize_t store_sampling_rate(struct cpufreq_policy *unused,
return count;
}
-static ssize_t store_up_threshold(struct cpufreq_policy *unused,
- const char *buf, size_t count)
+static ssize_t store_up_threshold(struct kobject *a, struct attribute *b,
+ const char *buf, size_t count)
{
unsigned int input;
int ret;
@@ -272,8 +317,8 @@ static ssize_t store_up_threshold(struct cpufreq_policy *unused,
return count;
}
-static ssize_t store_ignore_nice_load(struct cpufreq_policy *policy,
- const char *buf, size_t count)
+static ssize_t store_ignore_nice_load(struct kobject *a, struct attribute *b,
+ const char *buf, size_t count)
{
unsigned int input;
int ret;
@@ -309,8 +354,8 @@ static ssize_t store_ignore_nice_load(struct cpufreq_policy *policy,
return count;
}
-static ssize_t store_powersave_bias(struct cpufreq_policy *unused,
- const char *buf, size_t count)
+static ssize_t store_powersave_bias(struct kobject *a, struct attribute *b,
+ const char *buf, size_t count)
{
unsigned int input;
int ret;
@@ -331,7 +376,7 @@ static ssize_t store_powersave_bias(struct cpufreq_policy *unused,
}
#define define_one_rw(_name) \
-static struct freq_attr _name = \
+static struct global_attr _name = \
__ATTR(_name, 0644, show_##_name, store_##_name)
define_one_rw(sampling_rate);
@@ -354,6 +399,47 @@ static struct attribute_group dbs_attr_group = {
.name = "ondemand",
};
+/*** delete after deprecation time ***/
+
+#define write_one_old(file_name) \
+static ssize_t store_##file_name##_old \
+(struct cpufreq_policy *unused, const char *buf, size_t count) \
+{ \
+ printk_once(KERN_INFO "CPUFREQ: Per core ondemand sysfs " \
+ "interface is deprecated - " #file_name "\n"); \
+ return store_##file_name(NULL, NULL, buf, count); \
+}
+write_one_old(sampling_rate);
+write_one_old(up_threshold);
+write_one_old(ignore_nice_load);
+write_one_old(powersave_bias);
+
+#define define_one_rw_old(object, _name) \
+static struct freq_attr object = \
+__ATTR(_name, 0644, show_##_name##_old, store_##_name##_old)
+
+define_one_rw_old(sampling_rate_old, sampling_rate);
+define_one_rw_old(up_threshold_old, up_threshold);
+define_one_rw_old(ignore_nice_load_old, ignore_nice_load);
+define_one_rw_old(powersave_bias_old, powersave_bias);
+
+static struct attribute *dbs_attributes_old[] = {
+ &sampling_rate_max_old.attr,
+ &sampling_rate_min_old.attr,
+ &sampling_rate_old.attr,
+ &up_threshold_old.attr,
+ &ignore_nice_load_old.attr,
+ &powersave_bias_old.attr,
+ NULL
+};
+
+static struct attribute_group dbs_attr_group_old = {
+ .attrs = dbs_attributes_old,
+ .name = "ondemand",
+};
+
+/*** delete after deprecation time ***/
+
/************************** sysfs end ************************/
static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
@@ -544,7 +630,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
mutex_lock(&dbs_mutex);
- rc = sysfs_create_group(&policy->kobj, &dbs_attr_group);
+ rc = sysfs_create_group(&policy->kobj, &dbs_attr_group_old);
if (rc) {
mutex_unlock(&dbs_mutex);
return rc;
@@ -565,13 +651,20 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
}
this_dbs_info->cpu = cpu;
ondemand_powersave_bias_init_cpu(cpu);
- mutex_init(&this_dbs_info->timer_mutex);
/*
* Start the timerschedule work, when this governor
* is used for first time
*/
if (dbs_enable == 1) {
unsigned int latency;
+
+ rc = sysfs_create_group(cpufreq_global_kobject,
+ &dbs_attr_group);
+ if (rc) {
+ mutex_unlock(&dbs_mutex);
+ return rc;
+ }
+
/* policy latency is in nS. Convert it to uS first */
latency = policy->cpuinfo.transition_latency / 1000;
if (latency == 0)
@@ -585,6 +678,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
}
mutex_unlock(&dbs_mutex);
+ mutex_init(&this_dbs_info->timer_mutex);
dbs_timer_init(this_dbs_info);
break;
@@ -592,10 +686,13 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
dbs_timer_exit(this_dbs_info);
mutex_lock(&dbs_mutex);
- sysfs_remove_group(&policy->kobj, &dbs_attr_group);
+ sysfs_remove_group(&policy->kobj, &dbs_attr_group_old);
mutex_destroy(&this_dbs_info->timer_mutex);
dbs_enable--;
mutex_unlock(&dbs_mutex);
+ if (!dbs_enable)
+ sysfs_remove_group(cpufreq_global_kobject,
+ &dbs_attr_group);
break;
@@ -613,16 +710,6 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
return 0;
}
-#ifndef CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND
-static
-#endif
-struct cpufreq_governor cpufreq_gov_ondemand = {
- .name = "ondemand",
- .governor = cpufreq_governor_dbs,
- .max_transition_latency = TRANSITION_LATENCY_LIMIT,
- .owner = THIS_MODULE,
-};
-
static int __init cpufreq_gov_dbs_init(void)
{
int err;
--
GitLab
From 395913d0b1db37092ea3d9d69b832183b1dd84c5 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Mon, 8 Jun 2009 13:17:31 -0400
Subject: [PATCH 450/742] [CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP
call (second call site)
remove rwsem lock from CPUFREQ_GOV_STOP call (second call site)
commit 42a06f2166f2f6f7bf04f32b4e823eacdceafdc9
Missed a call site for CPUFREQ_GOV_STOP to remove the rwlock taken around the
teardown. To make a long story short, the rwlock write-lock causes a circular
dependency with cancel_delayed_work_sync(), because the timer handler takes the
read lock.
Note that all callers to __cpufreq_set_policy are taking the rwsem. All sysfs
callers (writers) hold the write rwsem at the earliest sysfs calling stage.
However, the rwlock write-lock is not needed upon governor stop.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
CC: rjw@sisk.pl
CC: mingo@elte.hu
CC: Shaohua Li <shaohua.li@intel.com>
CC: Pekka Enberg <penberg@cs.helsinki.fi>
CC: Dave Young <hidave.darkstar@gmail.com>
CC: "Rafael J. Wysocki" <rjw@sisk.pl>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: trenn@suse.de
CC: sven.wegener@stealer.net
CC: cpufreq@vger.kernel.org
Signed-off-by: Dave Jones <davej@redhat.com>
---
drivers/cpufreq/cpufreq.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 4da28444b235..3938c7817095 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -61,6 +61,8 @@ static DEFINE_SPINLOCK(cpufreq_driver_lock);
* are concerned with are online after they get the lock.
* - Governor routines that can be called in cpufreq hotplug path should not
* take this sem as top level hotplug notifier handler takes this.
+ * - Lock should not be held across
+ * __cpufreq_governor(data, CPUFREQ_GOV_STOP);
*/
static DEFINE_PER_CPU(int, policy_cpu);
static DEFINE_PER_CPU(struct rw_semaphore, cpu_policy_rwsem);
@@ -1707,8 +1709,17 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data,
dprintk("governor switch\n");
/* end old governor */
- if (data->governor)
+ if (data->governor) {
+ /*
+ * Need to release the rwsem around governor
+ * stop due to lock dependency between
+ * cancel_delayed_work_sync and the read lock
+ * taken in the delayed work handler.
+ */
+ unlock_policy_rwsem_write(data->cpu);
__cpufreq_governor(data, CPUFREQ_GOV_STOP);
+ lock_policy_rwsem_write(data->cpu);
+ }
/* start new governor */
data->governor = policy->governor;
--
GitLab
From db39d5529d347de5e2eec1a72d67fcfacae6c5a2 Mon Sep 17 00:00:00 2001
From: Mark Langsdorf <mark.langsdorf@amd.com>
Date: Fri, 21 Aug 2009 19:15:28 -0500
Subject: [PATCH 451/742] [CPUFREQ] Powernow-k8: Enable more than 2 low
P-states
Remove an obsolete check that used to prevent there being more
than 2 low P-states. Now that low-to-low P-states changes are
enabled, it prevents otherwise workable configurations with
multiple low P-states.
Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>
Tested-by: Krists Krilovs <pow@pow.za.net>
Signed-off-by: Dave Jones <davej@redhat.com>
---
arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 29 ++++-------------------
1 file changed, 4 insertions(+), 25 deletions(-)
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 2a50ef891000..0cbce0481a54 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -854,6 +854,10 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
goto err_out;
}
+ /* fill in data */
+ data->numps = data->acpi_data.state_count;
+ powernow_k8_acpi_pst_values(data, 0);
+
if (cpu_family == CPU_HW_PSTATE)
ret_val = fill_powernow_table_pstate(data, powernow_table);
else
@@ -866,11 +870,8 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
powernow_table[data->acpi_data.state_count].index = 0;
data->powernow_table = powernow_table;
- /* fill in data */
- data->numps = data->acpi_data.state_count;
if (cpumask_first(cpu_core_mask(data->cpu)) == data->cpu)
print_basics(data);
- powernow_k8_acpi_pst_values(data, 0);
/* notify BIOS that we exist */
acpi_processor_notify_smm(THIS_MODULE);
@@ -941,7 +942,6 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data,
struct cpufreq_frequency_table *powernow_table)
{
int i;
- int cntlofreq = 0;
for (i = 0; i < data->acpi_data.state_count; i++) {
u32 fid;
@@ -982,27 +982,6 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data,
continue;
}
- /* verify only 1 entry from the lo frequency table */
- if (fid < HI_FID_TABLE_BOTTOM) {
- if (cntlofreq) {
- /* if both entries are the same,
- * ignore this one ... */
- if ((freq != powernow_table[cntlofreq].frequency) ||
- (index != powernow_table[cntlofreq].index)) {
- printk(KERN_ERR PFX
- "Too many lo freq table "
- "entries\n");
- return 1;
- }
-
- dprintk("double low frequency table entry, "
- "ignoring it.\n");
- invalidate_entry(data, i);
- continue;
- } else
- cntlofreq = i;
- }
-
if (freq != (data->acpi_data.states[i].core_frequency * 1000)) {
printk(KERN_INFO PFX "invalid freq entries "
"%u kHz vs. %u kHz\n", freq,
--
GitLab
From 1a8e42fa81e62d47cc471f7764f906bb42b27a54 Mon Sep 17 00:00:00 2001
From: Prarit Bhargava <prarit@redhat.com>
Date: Wed, 26 Aug 2009 13:19:37 -0400
Subject: [PATCH 452/742] [CPUFREQ] Create a blacklist for processors that
should not load the acpi-cpufreq module.
Create a blacklist for processors that should not load the acpi-cpufreq module.
The initial entry in the blacklist function is the Intel 0f68 processor. It's
specification update mentions errata AL30 which implies that cpufreq should not
run on this processor.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Dave Jones <davej@redhat.com>
---
arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index ae9b503220ca..badce5084060 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -588,6 +588,21 @@ static const struct dmi_system_id sw_any_bug_dmi_table[] = {
},
{ }
};
+
+static int acpi_cpufreq_blacklist(struct cpuinfo_x86 *c)
+{
+ /* http://www.intel.com/Assets/PDF/specupdate/314554.pdf
+ * AL30: A Machine Check Exception (MCE) Occurring during an
+ * Enhanced Intel SpeedStep Technology Ratio Change May Cause
+ * Both Processor Cores to Lock Up when HT is enabled*/
+ if (c->x86_vendor == X86_VENDOR_INTEL) {
+ if ((c->x86 == 15) &&
+ (c->x86_model == 6) &&
+ (c->x86_mask == 8) && smt_capable())
+ return -ENODEV;
+ }
+ return 0;
+}
#endif
static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
@@ -602,6 +617,12 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
dprintk("acpi_cpufreq_cpu_init\n");
+#ifdef CONFIG_SMP
+ result = acpi_cpufreq_blacklist(c);
+ if (result)
+ return result;
+#endif
+
data = kzalloc(sizeof(struct acpi_cpufreq_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
--
GitLab
From 0e3eaadfe3da84f98250ad8a2c36e87fe00e42ee Mon Sep 17 00:00:00 2001
From: Santosh Shilimkar <santosh.shilimkar@ti.com>
Date: Sat, 22 Aug 2009 13:30:11 +0530
Subject: [PATCH 453/742] ARM: OMAP4: Fix NULL pointer dereference crash.
After the patch series "[PATCH 00/14] OMAP PM fixes for .31-rc"
merge in 2.6.31-rc5, the kernel crashed during boot on OMAP4430.
This patch fixes it by adding UART4 support and related code.
Without this patch omap_serial_init() would produce " NULL pointer
dereference" and kernel crashes in the bootup on OMAP4430 platform.
Some more info on the merge issue can be found here.
More info- http://lkml.org/lkml/2009/8/20/192
Note: While merging this patch,"IO_ADDRESS" needs to be changed
to "OMAP2_IO_ADDRESS" if the Tony's below series is already merged in.
http://www.mail-archive.com/linux-omap@vger.kernel.org/msg15072.html
Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/serial.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index dd3c735b5588..645546cbd265 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -113,6 +113,21 @@ static struct plat_serial8250_port serial_platform_data2[] = {
}
};
+#ifdef CONFIG_ARCH_OMAP4
+static struct plat_serial8250_port serial_platform_data3[] = {
+ {
+ .membase = IO_ADDRESS(OMAP_UART4_BASE),
+ .mapbase = OMAP_UART4_BASE,
+ .irq = 70,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = OMAP24XX_BASE_BAUD * 16,
+ }, {
+ .flags = 0
+ }
+};
+#endif
static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
int offset)
{
@@ -550,6 +565,17 @@ static struct omap_uart_state omap_uart[OMAP_MAX_NR_PORTS] = {
},
},
},
+#ifdef CONFIG_ARCH_OMAP4
+ {
+ .pdev = {
+ .name = "serial8250",
+ .id = 3
+ .dev = {
+ .platform_data = serial_platform_data3,
+ },
+ },
+ },
+#endif
};
void __init omap_serial_init(void)
--
GitLab
From aae290fb4d64e2b09b659f4b8a7f9d2547ef63b1 Mon Sep 17 00:00:00 2001
From: Santosh Shilimkar <santosh.shilimkar@ti.com>
Date: Sat, 22 Aug 2009 13:30:12 +0530
Subject: [PATCH 454/742] ARM: OMAP4: Bypass the clock check.
Second reason of OMAP4 boot failure on 2.6.31.rc6, the UART
platform data is not getting registered to kernel.
Registration was failing because of clock check failure in
omap_serial_init().
Below patch fix the same.
OMAP4 clock framework patches are still getting discussed on mailing
list so till then we need this.
Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/serial.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 645546cbd265..0f508109adcc 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -609,8 +609,11 @@ void __init omap_serial_init(void)
uart->fck = NULL;
}
- if (!uart->ick || !uart->fck)
- continue;
+ /* FIXME: Remove this once the clkdev is ready */
+ if (!cpu_is_omap44xx()) {
+ if (!uart->ick || !uart->fck)
+ continue;
+ }
uart->num = i;
p->private_data = uart;
--
GitLab
From 24bcadb6508b7c0f7307749228841fe04af6d70f Mon Sep 17 00:00:00 2001
From: Vikram Pandita <vikram.pandita@ti.com>
Date: Fri, 21 Aug 2009 13:11:06 -0500
Subject: [PATCH 455/742] OMAP: Zoom2: update serial platform_data id for
external UART
Now that on-chip UARTs each have separate platform_data, the external
UART needs an non-conflicting ID. Since there are 3 on-chip UARTs,
the Zoom2 external UART will be registered after as the fourth.
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/board-zoom-debugboard.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c
index f546063775b3..e0948c922988 100644
--- a/arch/arm/mach-omap2/board-zoom-debugboard.c
+++ b/arch/arm/mach-omap2/board-zoom-debugboard.c
@@ -96,7 +96,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
static struct platform_device zoom2_debugboard_serial_device = {
.name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM1,
+ .id = 3,
.dev = {
.platform_data = serial_platform_data,
},
--
GitLab
From bbde6ebae6dacf2f6e6ac4ab28c1805a2d51c5e1 Mon Sep 17 00:00:00 2001
From: Anand Gadiyar <gadiyar@ti.com>
Date: Mon, 24 Aug 2009 17:36:37 +0530
Subject: [PATCH 456/742] MUSB: Remove usb_musb_pm_init() call
In usb_musb_pm_init, we attempt to access an MUSB register
when the i-clock may not be on, or the module is otherwise
not accessible.
We need to either:
- enable the clock before this access, or
- remove this code and move it to the bootloader, or
- enable the clock in the bootloader
If we enable the clock in the bootloader, we might as well
add the workaround in the bootloader itself. This code will
anyway be changed once hwmod is in place, so remove it for now
This allows us to boot the kernel on certain OMAP3 boards with
a bootloader that doesn't enable this clock. Without this, we
will need to upgrade the bootloaders on these boards.
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/usb-musb.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
index 739e59e8025c..1145a2562b0f 100644
--- a/arch/arm/mach-omap2/usb-musb.c
+++ b/arch/arm/mach-omap2/usb-musb.c
@@ -31,15 +31,6 @@
#include <mach/mux.h>
#include <mach/usb.h>
-#define OTG_SYSCONFIG (OMAP34XX_HSUSB_OTG_BASE + 0x404)
-
-static void __init usb_musb_pm_init(void)
-{
- /* Ensure force-idle mode for OTG controller */
- if (cpu_is_omap34xx())
- omap_writel(0, OTG_SYSCONFIG);
-}
-
#ifdef CONFIG_USB_MUSB_SOC
static struct resource musb_resources[] = {
@@ -173,13 +164,10 @@ void __init usb_musb_init(void)
printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n");
return;
}
-
- usb_musb_pm_init();
}
#else
void __init usb_musb_init(void)
{
- usb_musb_pm_init();
}
#endif /* CONFIG_USB_MUSB_SOC */
--
GitLab
From 5110b2980a1299f6c253260de385b0dc2b2308b0 Mon Sep 17 00:00:00 2001
From: "Reddy, Teerth" <teerth@ti.com>
Date: Mon, 24 Aug 2009 11:58:59 +0530
Subject: [PATCH 457/742] OMAP3: PM: add T2 interrupt line mux setting, and
enable on 3430SDP
This patch changes for setting the padconf value for sys_nirq line
which is connected to T2 INTR1. This will fix the T2 keypad wakeup
issue on OMAP3 SDP.
Signed-off-by: Teerth Reddy <teerth@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/board-3430sdp.c | 6 ++++++
arch/arm/mach-omap2/mux.c | 5 +++++
arch/arm/plat-omap/include/mach/mux.h | 3 +++
3 files changed, 14 insertions(+)
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 7e9b76cc7675..31d9f56c6483 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -473,6 +473,11 @@ static inline void board_smc91x_init(void)
#endif
+static void enable_board_wakeup_source(void)
+{
+ omap_cfg_reg(AF26_34XX_SYS_NIRQ); /* T2 interrupt line (keypad) */
+}
+
static void __init omap_3430sdp_init(void)
{
omap3430_i2c_init();
@@ -490,6 +495,7 @@ static void __init omap_3430sdp_init(void)
omap_serial_init();
usb_musb_init();
board_smc91x_init();
+ enable_board_wakeup_source();
}
static void __init omap_3430sdp_map_io(void)
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index f63f3a237825..2daa595aaff4 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -542,6 +542,11 @@ MUX_CFG_34XX("AF13_3430_MMC3_DAT2", 0x5e8,
OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLUP)
MUX_CFG_34XX("AF13_3430_MMC3_DAT3", 0x5e2,
OMAP34XX_MUX_MODE2 | OMAP34XX_PIN_INPUT_PULLUP)
+
+/* SYS_NIRQ T2 INT1 */
+MUX_CFG_34XX("AF26_34XX_SYS_NIRQ", 0x1E0,
+ OMAP3_WAKEUP_EN | OMAP34XX_PIN_INPUT_PULLUP |
+ OMAP34XX_MUX_MODE0)
};
#define OMAP34XX_PINS_SZ ARRAY_SIZE(omap34xx_pins)
diff --git a/arch/arm/plat-omap/include/mach/mux.h b/arch/arm/plat-omap/include/mach/mux.h
index 2c57bad65b02..98dfab651dfc 100644
--- a/arch/arm/plat-omap/include/mach/mux.h
+++ b/arch/arm/plat-omap/include/mach/mux.h
@@ -885,6 +885,9 @@ enum omap34xx_index {
AH9_3430_MMC3_DAT1,
AF13_3430_MMC3_DAT2,
AF13_3430_MMC3_DAT3,
+
+ /* SYS_NIRQ T2 INT1 */
+ AF26_34XX_SYS_NIRQ,
};
struct omap_mux_cfg {
--
GitLab
From 2fcc81a38b699a81e47fdd655cf514c789576554 Mon Sep 17 00:00:00 2001
From: Vikram Pandita <vikram.pandita@ti.com>
Date: Fri, 21 Aug 2009 13:11:20 -0500
Subject: [PATCH 458/742] OMAP: Zoom2: release debug board detect gpio line
Release the Dbg board detection gpio once its purpose is served
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/board-zoom-debugboard.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c
index e0948c922988..1f13e2a1f322 100644
--- a/arch/arm/mach-omap2/board-zoom-debugboard.c
+++ b/arch/arm/mach-omap2/board-zoom-debugboard.c
@@ -129,6 +129,7 @@ static inline void __init zoom2_init_quaduart(void)
static inline int omap_zoom2_debugboard_detect(void)
{
int debug_board_detect = 0;
+ int ret = 1;
debug_board_detect = ZOOM2_SMSC911X_GPIO;
@@ -140,10 +141,10 @@ static inline int omap_zoom2_debugboard_detect(void)
gpio_direction_input(debug_board_detect);
if (!gpio_get_value(debug_board_detect)) {
- gpio_free(debug_board_detect);
- return 0;
+ ret = 0;
}
- return 1;
+ gpio_free(debug_board_detect);
+ return ret;
}
static struct platform_device *zoom2_devices[] __initdata = {
--
GitLab
From d3d381c6365ef5b06c4184a3fe047cf027533970 Mon Sep 17 00:00:00 2001
From: Ming Lei <tom.leiming@gmail.com>
Date: Sat, 22 Aug 2009 21:20:26 +0800
Subject: [PATCH 459/742] OMAP3: PM: fix lockdep warning caused by
omap3_pm_init
This patch uses kmalloc(size,GFP_ATOMIC) instead of kmalloc(size,GFP_KERNEL)
to allocate memory for instance of struct power_state in pwrdms_setup(),
since it may be called by pwrdm_for_each() with irq disabled.
It is a easy fix for the following lockdep warning caused by
kmalloc(size,GFP_KERNEL) in pwrdms_setup():
Power Management for TI OMAP3.
------------[ cut here ]------------
WARNING: at kernel/lockdep.c:2282 lockdep_trace_alloc+0xe8/0xfc()
Modules linked in:
[<c0032ccc>] (unwind_backtrace+0x0/0xec) from [<c0056934>] (warn_slowpath_common+0x48/0x60)
[<c0056934>] (warn_slowpath_common+0x48/0x60) from [<c007da10>] (lockdep_trace_alloc+0xe8/0xfc)
[<c007da10>] (lockdep_trace_alloc+0xe8/0xfc) from [<c00cd9bc>] (kmem_cache_alloc+0x28/0x178)
[<c00cd9bc>] (kmem_cache_alloc+0x28/0x178) from [<c000f184>] (pwrdms_setup+0x30/0xf8)
[<c000f184>] (pwrdms_setup+0x30/0xf8) from [<c00381c4>] (pwrdm_for_each+0x64/0x84)
[<c00381c4>] (pwrdm_for_each+0x64/0x84) from [<c000ef60>] (omap3_pm_init+0x3f4/0x5ac)
[<c000ef60>] (omap3_pm_init+0x3f4/0x5ac) from [<c002c2c0>] (do_one_initcall+0x30/0x1d4)
[<c002c2c0>] (do_one_initcall+0x30/0x1d4) from [<c00088d8>] (kernel_init+0xa4/0x118)
[<c00088d8>] (kernel_init+0xa4/0x118) from [<c002ddf8>] (kernel_thread_exit+0x0/0x8)
---[ end trace 1e06f8d97dc5a19b ]---
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/pm34xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 488d595d8e4b..d67b781045b7 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -665,7 +665,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm)
if (!pwrdm->pwrsts)
return 0;
- pwrst = kmalloc(sizeof(struct power_state), GFP_KERNEL);
+ pwrst = kmalloc(sizeof(struct power_state), GFP_ATOMIC);
if (!pwrst)
return -ENOMEM;
pwrst->pwrdm = pwrdm;
--
GitLab
From ba20bb126940ce4847e146a0d00b7f7b0868d773 Mon Sep 17 00:00:00 2001
From: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Date: Wed, 15 Oct 2008 17:48:43 +0300
Subject: [PATCH 460/742] OMAP: PM counter infrastructure.
This patch provides the infrastructure to count how many times a
powerdomain entered a given power state (on, inactive, retention,
off). A number of functions are provided which will be called by the
chip specific powerdomain and clockdomain code whenever a transition
might have happened.
Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/clockdomain.c | 2 +
arch/arm/mach-omap2/powerdomain.c | 101 +++++++++++++++++-
arch/arm/plat-omap/include/mach/powerdomain.h | 7 ++
3 files changed, 108 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 0e7d501865b6..26912a95dc18 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -484,6 +484,8 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
v << __ffs(clkdm->clktrctrl_mask),
clkdm->pwrdm.ptr->prcm_offs,
CM_CLKSTCTRL);
+
+ pwrdm_clkdm_state_switch(clkdm);
}
/**
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 983f1cb676be..a2d98718c6d7 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -35,6 +35,11 @@
#include <mach/powerdomain.h>
#include <mach/clockdomain.h>
+enum {
+ PWRDM_STATE_NOW = 0,
+ PWRDM_STATE_PREV,
+};
+
/* pwrdm_list contains all registered struct powerdomains */
static LIST_HEAD(pwrdm_list);
@@ -102,6 +107,63 @@ static struct powerdomain *_pwrdm_deps_lookup(struct powerdomain *pwrdm,
return pd->pwrdm;
}
+static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag)
+{
+
+ int prev;
+ int state;
+
+ if (pwrdm == NULL)
+ return -EINVAL;
+
+ state = pwrdm_read_pwrst(pwrdm);
+
+ switch (flag) {
+ case PWRDM_STATE_NOW:
+ prev = pwrdm->state;
+ break;
+ case PWRDM_STATE_PREV:
+ prev = pwrdm_read_prev_pwrst(pwrdm);
+ if (pwrdm->state != prev)
+ pwrdm->state_counter[prev]++;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (state != prev)
+ pwrdm->state_counter[state]++;
+
+ pwrdm->state = state;
+
+ return 0;
+}
+
+static int _pwrdm_pre_transition_cb(struct powerdomain *pwrdm)
+{
+ pwrdm_clear_all_prev_pwrst(pwrdm);
+ _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW);
+ return 0;
+}
+
+static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm)
+{
+ _pwrdm_state_switch(pwrdm, PWRDM_STATE_PREV);
+ return 0;
+}
+
+static __init void _pwrdm_setup(struct powerdomain *pwrdm)
+{
+ int i;
+
+ for (i = 0; i < 4; i++)
+ pwrdm->state_counter[i] = 0;
+
+ pwrdm_wait_transition(pwrdm);
+ pwrdm->state = pwrdm_read_pwrst(pwrdm);
+ pwrdm->state_counter[pwrdm->state] = 1;
+
+}
/* Public functions */
@@ -117,9 +179,12 @@ void pwrdm_init(struct powerdomain **pwrdm_list)
{
struct powerdomain **p = NULL;
- if (pwrdm_list)
- for (p = pwrdm_list; *p; p++)
+ if (pwrdm_list) {
+ for (p = pwrdm_list; *p; p++) {
pwrdm_register(*p);
+ _pwrdm_setup(*p);
+ }
+ }
}
/**
@@ -1110,4 +1175,36 @@ int pwrdm_wait_transition(struct powerdomain *pwrdm)
return 0;
}
+int pwrdm_state_switch(struct powerdomain *pwrdm)
+{
+ return _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW);
+}
+
+int pwrdm_clkdm_state_switch(struct clockdomain *clkdm)
+{
+ if (clkdm != NULL && clkdm->pwrdm.ptr != NULL) {
+ pwrdm_wait_transition(clkdm->pwrdm.ptr);
+ return pwrdm_state_switch(clkdm->pwrdm.ptr);
+ }
+
+ return -EINVAL;
+}
+int pwrdm_clk_state_switch(struct clk *clk)
+{
+ if (clk != NULL && clk->clkdm != NULL)
+ return pwrdm_clkdm_state_switch(clk->clkdm);
+ return -EINVAL;
+}
+
+int pwrdm_pre_transition(void)
+{
+ pwrdm_for_each(_pwrdm_pre_transition_cb);
+ return 0;
+}
+
+int pwrdm_post_transition(void)
+{
+ pwrdm_for_each(_pwrdm_post_transition_cb);
+ return 0;
+}
diff --git a/arch/arm/plat-omap/include/mach/powerdomain.h b/arch/arm/plat-omap/include/mach/powerdomain.h
index 69c9e675d8ee..52663fc549d2 100644
--- a/arch/arm/plat-omap/include/mach/powerdomain.h
+++ b/arch/arm/plat-omap/include/mach/powerdomain.h
@@ -117,6 +117,8 @@ struct powerdomain {
struct list_head node;
+ int state;
+ unsigned state_counter[4];
};
@@ -164,4 +166,9 @@ bool pwrdm_has_hdwr_sar(struct powerdomain *pwrdm);
int pwrdm_wait_transition(struct powerdomain *pwrdm);
+int pwrdm_state_switch(struct powerdomain *pwrdm);
+int pwrdm_clkdm_state_switch(struct clockdomain *clkdm);
+int pwrdm_pre_transition(void);
+int pwrdm_post_transition(void);
+
#endif
--
GitLab
From fe617af716bc09cbbdd11ad820d5818017a9f481 Mon Sep 17 00:00:00 2001
From: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Date: Wed, 15 Oct 2008 17:48:44 +0300
Subject: [PATCH 461/742] OMAP: PM: Hook into PM counters
This patch modifies the clock, clockdomain and OMAP3 specific
powerdomain code to call the PM counter infrastructure whenever one or
more powerdomains might have changed state.
Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/clock.c | 2 ++
arch/arm/mach-omap2/clockdomain.c | 3 +++
arch/arm/mach-omap2/pm34xx.c | 6 ++++++
3 files changed, 11 insertions(+)
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 456e2ad5f621..f2a92d614f0f 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -1043,5 +1043,7 @@ void omap2_clk_disable_unused(struct clk *clk)
omap2_clk_disable(clk);
} else
_omap2_clk_disable(clk);
+ if (clk->clkdm != NULL)
+ pwrdm_clkdm_state_switch(clk->clkdm);
}
#endif
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 26912a95dc18..5b0b90b76e13 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -574,6 +574,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk)
omap2_clkdm_wakeup(clkdm);
pwrdm_wait_transition(clkdm->pwrdm.ptr);
+ pwrdm_clkdm_state_switch(clkdm);
return 0;
}
@@ -626,6 +627,8 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk)
else
omap2_clkdm_sleep(clkdm);
+ pwrdm_clkdm_state_switch(clkdm);
+
return 0;
}
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 488d595d8e4b..f1976242f997 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -170,6 +170,8 @@ static void omap_sram_idle(void)
printk(KERN_ERR "Invalid mpu state in sram_idle\n");
return;
}
+ pwrdm_pre_transition();
+
omap2_gpio_prepare_for_retention();
omap_uart_prepare_idle(0);
omap_uart_prepare_idle(1);
@@ -182,6 +184,9 @@ static void omap_sram_idle(void)
omap_uart_resume_idle(1);
omap_uart_resume_idle(0);
omap2_gpio_resume_after_retention();
+
+ pwrdm_post_transition();
+
}
/*
@@ -271,6 +276,7 @@ static int set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
if (sleep_switch) {
omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]);
pwrdm_wait_transition(pwrdm);
+ pwrdm_state_switch(pwrdm);
}
err:
--
GitLab
From a23456e9b02b3fae0fc78cb33fad69803a50e5bc Mon Sep 17 00:00:00 2001
From: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Date: Wed, 15 Oct 2008 18:13:47 +0300
Subject: [PATCH 462/742] OMAP: PM: Add closures to clkdm_for_each and
pwrdm_for_each.
Add some infrastructure to easily iterate over clock and power
domains.
Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/clockdomain.c | 5 +++--
arch/arm/mach-omap2/pm24xx.c | 4 ++--
arch/arm/mach-omap2/pm34xx.c | 8 ++++----
arch/arm/plat-omap/include/mach/clockdomain.h | 3 ++-
arch/arm/plat-omap/include/mach/powerdomain.h | 3 ++-
5 files changed, 13 insertions(+), 10 deletions(-)
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 5b0b90b76e13..4ef7b4f5474e 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -299,7 +299,8 @@ struct clockdomain *clkdm_lookup(const char *name)
* anything else to indicate failure; or -EINVAL if the function pointer
* is null.
*/
-int clkdm_for_each(int (*fn)(struct clockdomain *clkdm))
+int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
+ void *user)
{
struct clockdomain *clkdm;
int ret = 0;
@@ -309,7 +310,7 @@ int clkdm_for_each(int (*fn)(struct clockdomain *clkdm))
mutex_lock(&clkdm_mutex);
list_for_each_entry(clkdm, &clkdm_list, node) {
- ret = (*fn)(clkdm);
+ ret = (*fn)(clkdm, user);
if (ret)
break;
}
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index 528dbdc26e23..bff5c4e89742 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -333,7 +333,7 @@ static struct platform_suspend_ops omap_pm_ops = {
.valid = suspend_valid_only_mem,
};
-static int _pm_clkdm_enable_hwsup(struct clockdomain *clkdm)
+static int _pm_clkdm_enable_hwsup(struct clockdomain *clkdm, void *unused)
{
omap2_clkdm_allow_idle(clkdm);
return 0;
@@ -385,7 +385,7 @@ static void __init prcm_setup_regs(void)
omap2_clkdm_sleep(gfx_clkdm);
/* Enable clockdomain hardware-supervised control for all clkdms */
- clkdm_for_each(_pm_clkdm_enable_hwsup);
+ clkdm_for_each(_pm_clkdm_enable_hwsup, NULL);
/* Enable clock autoidle for all domains */
cm_write_mod_reg(OMAP24XX_AUTO_CAM |
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index f1976242f997..331dfca93ed5 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -664,7 +664,7 @@ static void __init prcm_setup_regs(void)
omap3_d2d_idle();
}
-static int __init pwrdms_setup(struct powerdomain *pwrdm)
+static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
{
struct power_state *pwrst;
@@ -689,7 +689,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm)
* supported. Initiate sleep transition for other clockdomains, if
* they are not used
*/
-static int __init clkdms_setup(struct clockdomain *clkdm)
+static int __init clkdms_setup(struct clockdomain *clkdm, void *unused)
{
if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO)
omap2_clkdm_allow_idle(clkdm);
@@ -722,13 +722,13 @@ static int __init omap3_pm_init(void)
goto err1;
}
- ret = pwrdm_for_each(pwrdms_setup);
+ ret = pwrdm_for_each(pwrdms_setup, NULL);
if (ret) {
printk(KERN_ERR "Failed to setup powerdomains\n");
goto err2;
}
- (void) clkdm_for_each(clkdms_setup);
+ (void) clkdm_for_each(clkdms_setup, NULL);
mpu_pwrdm = pwrdm_lookup("mpu_pwrdm");
if (mpu_pwrdm == NULL) {
diff --git a/arch/arm/plat-omap/include/mach/clockdomain.h b/arch/arm/plat-omap/include/mach/clockdomain.h
index b9d0dd2da89b..99ebd886f134 100644
--- a/arch/arm/plat-omap/include/mach/clockdomain.h
+++ b/arch/arm/plat-omap/include/mach/clockdomain.h
@@ -95,7 +95,8 @@ int clkdm_register(struct clockdomain *clkdm);
int clkdm_unregister(struct clockdomain *clkdm);
struct clockdomain *clkdm_lookup(const char *name);
-int clkdm_for_each(int (*fn)(struct clockdomain *clkdm));
+int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
+ void *user);
struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm);
void omap2_clkdm_allow_idle(struct clockdomain *clkdm);
diff --git a/arch/arm/plat-omap/include/mach/powerdomain.h b/arch/arm/plat-omap/include/mach/powerdomain.h
index 52663fc549d2..de03f3dbbf3d 100644
--- a/arch/arm/plat-omap/include/mach/powerdomain.h
+++ b/arch/arm/plat-omap/include/mach/powerdomain.h
@@ -128,7 +128,8 @@ int pwrdm_register(struct powerdomain *pwrdm);
int pwrdm_unregister(struct powerdomain *pwrdm);
struct powerdomain *pwrdm_lookup(const char *name);
-int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm));
+int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm, void *user),
+ void *user);
int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm);
int pwrdm_del_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm);
--
GitLab
From 331b93f41dff21c8f95709032cb184fb82bf2003 Mon Sep 17 00:00:00 2001
From: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Date: Wed, 15 Oct 2008 18:13:48 +0300
Subject: [PATCH 463/742] OMAP: PM: Add pm-debug counters
This patch provides the debugfs entries and a function which will be
called by the PM code to register the time spent per domain per
state. Also some new fields are added to the powerdomain struct to
keep the time information.
NOTE: As of v2.6.29, using getnstimeofday() after drivers are
suspended is no longer safe since the timekeeping subsystem is also
suspended as part of the suspend process. Instead use sched_clock()
which on OMAP returns the 32k SYNC timer in nanoseconds.
Also, do not print out status for meta powerdomains (dpll*)
Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/pm-debug.c | 178 +++++++++++++++++-
arch/arm/mach-omap2/pm.h | 4 +
arch/arm/plat-omap/include/mach/powerdomain.h | 5 +
3 files changed, 186 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index da3a53f8ccc8..7383e85eac26 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -20,13 +20,15 @@
*/
#include <linux/kernel.h>
-#include <linux/timer.h>
+#include <linux/sched.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <mach/clock.h>
#include <mach/board.h>
+#include <mach/powerdomain.h>
+#include <mach/clockdomain.h>
#include "prm.h"
#include "cm.h"
@@ -150,3 +152,177 @@ void omap2_pm_dump(int mode, int resume, unsigned int us)
for (i = 0; i < reg_count; i++)
printk(KERN_INFO "%-20s: 0x%08x\n", regs[i].name, regs[i].val);
}
+
+#ifdef CONFIG_DEBUG_FS
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+
+struct dentry *pm_dbg_dir;
+
+static int pm_dbg_init_done;
+
+enum {
+ DEBUG_FILE_COUNTERS = 0,
+ DEBUG_FILE_TIMERS,
+};
+
+static const char pwrdm_state_names[][4] = {
+ "OFF",
+ "RET",
+ "INA",
+ "ON"
+};
+
+void pm_dbg_update_time(struct powerdomain *pwrdm, int prev)
+{
+ s64 t;
+
+ if (!pm_dbg_init_done)
+ return ;
+
+ /* Update timer for previous state */
+ t = sched_clock();
+
+ pwrdm->state_timer[prev] += t - pwrdm->timer;
+
+ pwrdm->timer = t;
+}
+
+static int clkdm_dbg_show_counter(struct clockdomain *clkdm, void *user)
+{
+ struct seq_file *s = (struct seq_file *)user;
+
+ if (strcmp(clkdm->name, "emu_clkdm") == 0 ||
+ strcmp(clkdm->name, "wkup_clkdm") == 0 ||
+ strncmp(clkdm->name, "dpll", 4) == 0)
+ return 0;
+
+ seq_printf(s, "%s->%s (%d)", clkdm->name,
+ clkdm->pwrdm.ptr->name,
+ atomic_read(&clkdm->usecount));
+ seq_printf(s, "\n");
+
+ return 0;
+}
+
+static int pwrdm_dbg_show_counter(struct powerdomain *pwrdm, void *user)
+{
+ struct seq_file *s = (struct seq_file *)user;
+ int i;
+
+ if (strcmp(pwrdm->name, "emu_pwrdm") == 0 ||
+ strcmp(pwrdm->name, "wkup_pwrdm") == 0 ||
+ strncmp(pwrdm->name, "dpll", 4) == 0)
+ return 0;
+
+ if (pwrdm->state != pwrdm_read_pwrst(pwrdm))
+ printk(KERN_ERR "pwrdm state mismatch(%s) %d != %d\n",
+ pwrdm->name, pwrdm->state, pwrdm_read_pwrst(pwrdm));
+
+ seq_printf(s, "%s (%s)", pwrdm->name,
+ pwrdm_state_names[pwrdm->state]);
+ for (i = 0; i < 4; i++)
+ seq_printf(s, ",%s:%d", pwrdm_state_names[i],
+ pwrdm->state_counter[i]);
+
+ seq_printf(s, "\n");
+
+ return 0;
+}
+
+static int pwrdm_dbg_show_timer(struct powerdomain *pwrdm, void *user)
+{
+ struct seq_file *s = (struct seq_file *)user;
+ int i;
+
+ if (strcmp(pwrdm->name, "emu_pwrdm") == 0 ||
+ strcmp(pwrdm->name, "wkup_pwrdm") == 0 ||
+ strncmp(pwrdm->name, "dpll", 4) == 0)
+ return 0;
+
+ pwrdm_state_switch(pwrdm);
+
+ seq_printf(s, "%s (%s)", pwrdm->name,
+ pwrdm_state_names[pwrdm->state]);
+
+ for (i = 0; i < 4; i++)
+ seq_printf(s, ",%s:%lld", pwrdm_state_names[i],
+ pwrdm->state_timer[i]);
+
+ seq_printf(s, "\n");
+ return 0;
+}
+
+static int pm_dbg_show_counters(struct seq_file *s, void *unused)
+{
+ pwrdm_for_each(pwrdm_dbg_show_counter, s);
+ clkdm_for_each(clkdm_dbg_show_counter, s);
+
+ return 0;
+}
+
+static int pm_dbg_show_timers(struct seq_file *s, void *unused)
+{
+ pwrdm_for_each(pwrdm_dbg_show_timer, s);
+ return 0;
+}
+
+static int pm_dbg_open(struct inode *inode, struct file *file)
+{
+ switch ((int)inode->i_private) {
+ case DEBUG_FILE_COUNTERS:
+ return single_open(file, pm_dbg_show_counters,
+ &inode->i_private);
+ case DEBUG_FILE_TIMERS:
+ default:
+ return single_open(file, pm_dbg_show_timers,
+ &inode->i_private);
+ };
+}
+
+static const struct file_operations debug_fops = {
+ .open = pm_dbg_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
+{
+ int i;
+ s64 t;
+
+ t = sched_clock();
+
+ for (i = 0; i < 4; i++)
+ pwrdm->state_timer[i] = 0;
+
+ pwrdm->timer = t;
+
+ return 0;
+}
+
+static int __init pm_dbg_init(void)
+{
+ struct dentry *d;
+
+ d = debugfs_create_dir("pm_debug", NULL);
+ if (IS_ERR(d))
+ return PTR_ERR(d);
+
+ (void) debugfs_create_file("count", S_IRUGO,
+ d, (void *)DEBUG_FILE_COUNTERS, &debug_fops);
+ (void) debugfs_create_file("time", S_IRUGO,
+ d, (void *)DEBUG_FILE_TIMERS, &debug_fops);
+
+ pwrdm_for_each(pwrdms_setup, NULL);
+
+ pm_dbg_init_done = 1;
+
+ return 0;
+}
+late_initcall(pm_dbg_init);
+
+#else
+void pm_dbg_update_time(struct powerdomain *pwrdm, int prev) {}
+#endif
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index 21201cd4117b..4589db1c8af8 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -11,12 +11,16 @@
#ifndef __ARCH_ARM_MACH_OMAP2_PM_H
#define __ARCH_ARM_MACH_OMAP2_PM_H
+#include <mach/powerdomain.h>
+
#ifdef CONFIG_PM_DEBUG
extern void omap2_pm_dump(int mode, int resume, unsigned int us);
extern int omap2_pm_debug;
+extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
#else
#define omap2_pm_dump(mode, resume, us) do {} while (0);
#define omap2_pm_debug 0
+#define pm_dbg_update_time(pwrdm, prev) do {} while (0);
#endif /* CONFIG_PM_DEBUG */
extern void omap24xx_idle_loop_suspend(void);
diff --git a/arch/arm/plat-omap/include/mach/powerdomain.h b/arch/arm/plat-omap/include/mach/powerdomain.h
index de03f3dbbf3d..6271d8556a40 100644
--- a/arch/arm/plat-omap/include/mach/powerdomain.h
+++ b/arch/arm/plat-omap/include/mach/powerdomain.h
@@ -119,6 +119,11 @@ struct powerdomain {
int state;
unsigned state_counter[4];
+
+#ifdef CONFIG_PM_DEBUG
+ s64 timer;
+ s64 state_timer[4];
+#endif
};
--
GitLab
From 6199ab2690ca6f44f838603da079b3faa837e502 Mon Sep 17 00:00:00 2001
From: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Date: Wed, 15 Oct 2008 18:13:49 +0300
Subject: [PATCH 464/742] OMAP: PM debug: make powerdomains use PM-debug
counters
Make the powerdomain code call the new hook for updating the time.
Also implement the updated pwrdm_for_each.
Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/powerdomain.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index a2d98718c6d7..5a6cef3e42bf 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -35,6 +35,8 @@
#include <mach/powerdomain.h>
#include <mach/clockdomain.h>
+#include "pm.h"
+
enum {
PWRDM_STATE_NOW = 0,
PWRDM_STATE_PREV,
@@ -134,19 +136,21 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag)
if (state != prev)
pwrdm->state_counter[state]++;
+ pm_dbg_update_time(pwrdm, prev);
+
pwrdm->state = state;
return 0;
}
-static int _pwrdm_pre_transition_cb(struct powerdomain *pwrdm)
+static int _pwrdm_pre_transition_cb(struct powerdomain *pwrdm, void *unused)
{
pwrdm_clear_all_prev_pwrst(pwrdm);
_pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW);
return 0;
}
-static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm)
+static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm, void *unused)
{
_pwrdm_state_switch(pwrdm, PWRDM_STATE_PREV);
return 0;
@@ -282,7 +286,8 @@ struct powerdomain *pwrdm_lookup(const char *name)
* anything else to indicate failure; or -EINVAL if the function
* pointer is null.
*/
-int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm))
+int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm, void *user),
+ void *user)
{
struct powerdomain *temp_pwrdm;
unsigned long flags;
@@ -293,7 +298,7 @@ int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm))
read_lock_irqsave(&pwrdm_rwlock, flags);
list_for_each_entry(temp_pwrdm, &pwrdm_list, node) {
- ret = (*fn)(temp_pwrdm);
+ ret = (*fn)(temp_pwrdm, user);
if (ret)
break;
}
@@ -1198,13 +1203,13 @@ int pwrdm_clk_state_switch(struct clk *clk)
int pwrdm_pre_transition(void)
{
- pwrdm_for_each(_pwrdm_pre_transition_cb);
+ pwrdm_for_each(_pwrdm_pre_transition_cb, NULL);
return 0;
}
int pwrdm_post_transition(void)
{
- pwrdm_for_each(_pwrdm_post_transition_cb);
+ pwrdm_for_each(_pwrdm_post_transition_cb, NULL);
return 0;
}
--
GitLab
From 2811d6b3237c9b77007a6b2b10ee5b576da0574e Mon Sep 17 00:00:00 2001
From: Tero Kristo <tero.kristo@nokia.com>
Date: Wed, 29 Oct 2008 13:31:24 +0200
Subject: [PATCH 465/742] OMAP: PM debug: Add PRCM register dump support
Allows dumping out current register contents from the debug filesystem, and
also allows user to add arbitrary register save points into code. Current
register contents are available under debugfs at:
[debugfs]/pm_debug/registers/current
To add a save point, do following:
From module init (or somewhere before the save call, called only once):
pm_dbg_init_regset(n); // n=1..4, allocates memory for dump area #n
From arbitrary code location:
pm_dbg_regset_save(n); // n=1..4, saves registers to dump area #n
After this, the register dump can be seen under [debugfs]/pm_debug/registers/n
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/pm-debug.c | 226 ++++++++++++++++++++++++++++++++-
arch/arm/mach-omap2/pm.h | 4 +
2 files changed, 229 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 7383e85eac26..982aa67f2685 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -52,6 +52,8 @@ int omap2_pm_debug;
regs[reg_count].name = #reg; \
regs[reg_count++].val = __raw_readl(OMAP2_IO_ADDRESS(0x480fe000 + (off)))
+static int __init pm_dbg_init(void);
+
void omap2_pm_dump(int mode, int resume, unsigned int us)
{
struct reg {
@@ -157,6 +159,8 @@ void omap2_pm_dump(int mode, int resume, unsigned int us)
#include <linux/debugfs.h>
#include <linux/seq_file.h>
+static void pm_dbg_regset_store(u32 *ptr);
+
struct dentry *pm_dbg_dir;
static int pm_dbg_init_done;
@@ -166,6 +170,160 @@ enum {
DEBUG_FILE_TIMERS,
};
+struct pm_module_def {
+ char name[8]; /* Name of the module */
+ short type; /* CM or PRM */
+ unsigned short offset;
+ int low; /* First register address on this module */
+ int high; /* Last register address on this module */
+};
+
+#define MOD_CM 0
+#define MOD_PRM 1
+
+static const struct pm_module_def *pm_dbg_reg_modules;
+static const struct pm_module_def omap3_pm_reg_modules[] = {
+ { "IVA2", MOD_CM, OMAP3430_IVA2_MOD, 0, 0x4c },
+ { "OCP", MOD_CM, OCP_MOD, 0, 0x10 },
+ { "MPU", MOD_CM, MPU_MOD, 4, 0x4c },
+ { "CORE", MOD_CM, CORE_MOD, 0, 0x4c },
+ { "SGX", MOD_CM, OMAP3430ES2_SGX_MOD, 0, 0x4c },
+ { "WKUP", MOD_CM, WKUP_MOD, 0, 0x40 },
+ { "CCR", MOD_CM, PLL_MOD, 0, 0x70 },
+ { "DSS", MOD_CM, OMAP3430_DSS_MOD, 0, 0x4c },
+ { "CAM", MOD_CM, OMAP3430_CAM_MOD, 0, 0x4c },
+ { "PER", MOD_CM, OMAP3430_PER_MOD, 0, 0x4c },
+ { "EMU", MOD_CM, OMAP3430_EMU_MOD, 0x40, 0x54 },
+ { "NEON", MOD_CM, OMAP3430_NEON_MOD, 0x20, 0x48 },
+ { "USB", MOD_CM, OMAP3430ES2_USBHOST_MOD, 0, 0x4c },
+
+ { "IVA2", MOD_PRM, OMAP3430_IVA2_MOD, 0x50, 0xfc },
+ { "OCP", MOD_PRM, OCP_MOD, 4, 0x1c },
+ { "MPU", MOD_PRM, MPU_MOD, 0x58, 0xe8 },
+ { "CORE", MOD_PRM, CORE_MOD, 0x58, 0xf8 },
+ { "SGX", MOD_PRM, OMAP3430ES2_SGX_MOD, 0x58, 0xe8 },
+ { "WKUP", MOD_PRM, WKUP_MOD, 0xa0, 0xb0 },
+ { "CCR", MOD_PRM, PLL_MOD, 0x40, 0x70 },
+ { "DSS", MOD_PRM, OMAP3430_DSS_MOD, 0x58, 0xe8 },
+ { "CAM", MOD_PRM, OMAP3430_CAM_MOD, 0x58, 0xe8 },
+ { "PER", MOD_PRM, OMAP3430_PER_MOD, 0x58, 0xe8 },
+ { "EMU", MOD_PRM, OMAP3430_EMU_MOD, 0x58, 0xe4 },
+ { "GLBL", MOD_PRM, OMAP3430_GR_MOD, 0x20, 0xe4 },
+ { "NEON", MOD_PRM, OMAP3430_NEON_MOD, 0x58, 0xe8 },
+ { "USB", MOD_PRM, OMAP3430ES2_USBHOST_MOD, 0x58, 0xe8 },
+ { "", 0, 0, 0, 0 },
+};
+
+#define PM_DBG_MAX_REG_SETS 4
+
+static void *pm_dbg_reg_set[PM_DBG_MAX_REG_SETS];
+
+static int pm_dbg_get_regset_size(void)
+{
+ static int regset_size;
+
+ if (regset_size == 0) {
+ int i = 0;
+
+ while (pm_dbg_reg_modules[i].name[0] != 0) {
+ regset_size += pm_dbg_reg_modules[i].high +
+ 4 - pm_dbg_reg_modules[i].low;
+ i++;
+ }
+ }
+ return regset_size;
+}
+
+static int pm_dbg_show_regs(struct seq_file *s, void *unused)
+{
+ int i, j;
+ unsigned long val;
+ int reg_set = (int)s->private;
+ u32 *ptr;
+ void *store = NULL;
+ int regs;
+ int linefeed;
+
+ if (reg_set == 0) {
+ store = kmalloc(pm_dbg_get_regset_size(), GFP_KERNEL);
+ ptr = store;
+ pm_dbg_regset_store(ptr);
+ } else {
+ ptr = pm_dbg_reg_set[reg_set - 1];
+ }
+
+ i = 0;
+
+ while (pm_dbg_reg_modules[i].name[0] != 0) {
+ regs = 0;
+ linefeed = 0;
+ if (pm_dbg_reg_modules[i].type == MOD_CM)
+ seq_printf(s, "MOD: CM_%s (%08x)\n",
+ pm_dbg_reg_modules[i].name,
+ (u32)(OMAP3430_CM_BASE +
+ pm_dbg_reg_modules[i].offset));
+ else
+ seq_printf(s, "MOD: PRM_%s (%08x)\n",
+ pm_dbg_reg_modules[i].name,
+ (u32)(OMAP3430_PRM_BASE +
+ pm_dbg_reg_modules[i].offset));
+
+ for (j = pm_dbg_reg_modules[i].low;
+ j <= pm_dbg_reg_modules[i].high; j += 4) {
+ val = *(ptr++);
+ if (val != 0) {
+ regs++;
+ if (linefeed) {
+ seq_printf(s, "\n");
+ linefeed = 0;
+ }
+ seq_printf(s, " %02x => %08lx", j, val);
+ if (regs % 4 == 0)
+ linefeed = 1;
+ }
+ }
+ seq_printf(s, "\n");
+ i++;
+ }
+
+ if (store != NULL)
+ kfree(store);
+
+ return 0;
+}
+
+static void pm_dbg_regset_store(u32 *ptr)
+{
+ int i, j;
+ u32 val;
+
+ i = 0;
+
+ while (pm_dbg_reg_modules[i].name[0] != 0) {
+ for (j = pm_dbg_reg_modules[i].low;
+ j <= pm_dbg_reg_modules[i].high; j += 4) {
+ if (pm_dbg_reg_modules[i].type == MOD_CM)
+ val = cm_read_mod_reg(
+ pm_dbg_reg_modules[i].offset, j);
+ else
+ val = prm_read_mod_reg(
+ pm_dbg_reg_modules[i].offset, j);
+ *(ptr++) = val;
+ }
+ i++;
+ }
+}
+
+int pm_dbg_regset_save(int reg_set)
+{
+ if (pm_dbg_reg_set[reg_set-1] == NULL)
+ return -EINVAL;
+
+ pm_dbg_regset_store(pm_dbg_reg_set[reg_set-1]);
+
+ return 0;
+}
+
static const char pwrdm_state_names[][4] = {
"OFF",
"RET",
@@ -280,6 +438,11 @@ static int pm_dbg_open(struct inode *inode, struct file *file)
};
}
+static int pm_dbg_reg_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, pm_dbg_show_regs, inode->i_private);
+}
+
static const struct file_operations debug_fops = {
.open = pm_dbg_open,
.read = seq_read,
@@ -287,6 +450,40 @@ static const struct file_operations debug_fops = {
.release = single_release,
};
+static const struct file_operations debug_reg_fops = {
+ .open = pm_dbg_reg_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+int pm_dbg_regset_init(int reg_set)
+{
+ char name[2];
+
+ if (!pm_dbg_init_done)
+ pm_dbg_init();
+
+ if (reg_set < 1 || reg_set > PM_DBG_MAX_REG_SETS ||
+ pm_dbg_reg_set[reg_set-1] != NULL)
+ return -EINVAL;
+
+ pm_dbg_reg_set[reg_set-1] =
+ kmalloc(pm_dbg_get_regset_size(), GFP_KERNEL);
+
+ if (pm_dbg_reg_set[reg_set-1] == NULL)
+ return -ENOMEM;
+
+ if (pm_dbg_dir != NULL) {
+ sprintf(name, "%d", reg_set);
+
+ (void) debugfs_create_file(name, S_IRUGO,
+ pm_dbg_dir, (void *)reg_set, &debug_reg_fops);
+ }
+
+ return 0;
+}
+
static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
{
int i;
@@ -304,8 +501,20 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
static int __init pm_dbg_init(void)
{
+ int i;
struct dentry *d;
+ char name[2];
+ if (pm_dbg_init_done)
+ return 0;
+
+ if (cpu_is_omap34xx())
+ pm_dbg_reg_modules = omap3_pm_reg_modules;
+ else {
+ printk(KERN_ERR "%s: only OMAP3 supported\n", __func__);
+ return -ENODEV;
+ }
+
d = debugfs_create_dir("pm_debug", NULL);
if (IS_ERR(d))
return PTR_ERR(d);
@@ -317,11 +526,26 @@ static int __init pm_dbg_init(void)
pwrdm_for_each(pwrdms_setup, NULL);
+ pm_dbg_dir = debugfs_create_dir("registers", d);
+ if (IS_ERR(pm_dbg_dir))
+ return PTR_ERR(pm_dbg_dir);
+
+ (void) debugfs_create_file("current", S_IRUGO,
+ pm_dbg_dir, (void *)0, &debug_reg_fops);
+
+ for (i = 0; i < PM_DBG_MAX_REG_SETS; i++)
+ if (pm_dbg_reg_set[i] != NULL) {
+ sprintf(name, "%d", i+1);
+ (void) debugfs_create_file(name, S_IRUGO,
+ pm_dbg_dir, (void *)(i+1), &debug_reg_fops);
+
+ }
+
pm_dbg_init_done = 1;
return 0;
}
-late_initcall(pm_dbg_init);
+arch_initcall(pm_dbg_init);
#else
void pm_dbg_update_time(struct powerdomain *pwrdm, int prev) {}
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index 4589db1c8af8..8fa856770188 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -17,10 +17,14 @@
extern void omap2_pm_dump(int mode, int resume, unsigned int us);
extern int omap2_pm_debug;
extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
+extern int pm_dbg_regset_save(int reg_set);
+extern int pm_dbg_regset_init(int reg_set);
#else
#define omap2_pm_dump(mode, resume, us) do {} while (0);
#define omap2_pm_debug 0
#define pm_dbg_update_time(pwrdm, prev) do {} while (0);
+#define pm_dbg_regset_save(reg_set) do {} while (0);
+#define pm_dbg_regset_init(reg_set) do {} while (0);
#endif /* CONFIG_PM_DEBUG */
extern void omap24xx_idle_loop_suspend(void);
--
GitLab
From 68d4778c701b7e22ddfd64e3afb6628c92718ad2 Mon Sep 17 00:00:00 2001
From: Tero Kristo <tero.kristo@nokia.com>
Date: Wed, 26 Nov 2008 12:26:24 +0200
Subject: [PATCH 466/742] OMAP: PM: Added suspend target state control to
debugfs for OMAP3
Target state can be read / programmed via files under:
[debugfs]/pm_debug/[pwrdm]/suspend
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-omap2/pm-debug.c | 31 +++++++++++++++++++++++++++++--
arch/arm/mach-omap2/pm.h | 3 +++
arch/arm/mach-omap2/pm34xx.c | 24 ++++++++++++++++++++++++
3 files changed, 56 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 982aa67f2685..1b4c1600f8d8 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -24,6 +24,7 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
+#include <linux/module.h>
#include <mach/clock.h>
#include <mach/board.h>
@@ -484,10 +485,28 @@ int pm_dbg_regset_init(int reg_set)
return 0;
}
-static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
+static int pwrdm_suspend_get(void *data, u64 *val)
+{
+ *val = omap3_pm_get_suspend_state((struct powerdomain *)data);
+
+ if (*val >= 0)
+ return 0;
+ return *val;
+}
+
+static int pwrdm_suspend_set(void *data, u64 val)
+{
+ return omap3_pm_set_suspend_state((struct powerdomain *)data, (int)val);
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(pwrdm_suspend_fops, pwrdm_suspend_get,
+ pwrdm_suspend_set, "%llu\n");
+
+static int __init pwrdms_setup(struct powerdomain *pwrdm, void *dir)
{
int i;
s64 t;
+ struct dentry *d;
t = sched_clock();
@@ -496,6 +515,14 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
pwrdm->timer = t;
+ if (strncmp(pwrdm->name, "dpll", 4) == 0)
+ return 0;
+
+ d = debugfs_create_dir(pwrdm->name, (struct dentry *)dir);
+
+ (void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d,
+ (void *)pwrdm, &pwrdm_suspend_fops);
+
return 0;
}
@@ -524,7 +551,7 @@ static int __init pm_dbg_init(void)
(void) debugfs_create_file("time", S_IRUGO,
d, (void *)DEBUG_FILE_TIMERS, &debug_fops);
- pwrdm_for_each(pwrdms_setup, NULL);
+ pwrdm_for_each(pwrdms_setup, (void *)d);
pm_dbg_dir = debugfs_create_dir("registers", d);
if (IS_ERR(pm_dbg_dir))
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index 8fa856770188..8400f5768923 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -13,6 +13,9 @@
#include <mach/powerdomain.h>
+extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
+extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
+
#ifdef CONFIG_PM_DEBUG
extern void omap2_pm_dump(int mode, int resume, unsigned int us);
extern int omap2_pm_debug;
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 331dfca93ed5..26f2aca9abe8 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -664,6 +664,30 @@ static void __init prcm_setup_regs(void)
omap3_d2d_idle();
}
+int omap3_pm_get_suspend_state(struct powerdomain *pwrdm)
+{
+ struct power_state *pwrst;
+
+ list_for_each_entry(pwrst, &pwrst_list, node) {
+ if (pwrst->pwrdm == pwrdm)
+ return pwrst->next_state;
+ }
+ return -EINVAL;
+}
+
+int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state)
+{
+ struct power_state *pwrst;
+
+ list_for_each_entry(pwrst, &pwrst_list, node) {
+ if (pwrst->pwrdm == pwrdm) {
+ pwrst->next_state = state;
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
{
struct power_state *pwrst;
--
GitLab
From 0906a3ad33a254094fb74828e3ddb9af8771a6da Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 3 Sep 2009 17:21:10 +0900
Subject: [PATCH 467/742] sh: Fix up and optimize the kmap_coherent()
interface.
This fixes up the kmap_coherent/kunmap_coherent() interface for recent
changes both in the page fault path and the shared cache flushers, as
well as adding in some optimizations.
One of the key things to note here is that the TLB flush itself is
deferred until the unmap, and the call in to update_mmu_cache() itself
goes away, relying on the regular page fault path to handle the lazy
dcache writeback if necessary.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/cacheflush.h | 2 +-
arch/sh/include/asm/pgtable_32.h | 8 +++++-
arch/sh/include/asm/pgtable_64.h | 5 ++++
arch/sh/mm/cache.c | 8 +++---
arch/sh/mm/fault_32.c | 4 +--
arch/sh/mm/init.c | 45 ++++++++++++++++++--------------
arch/sh/mm/kmap.c | 36 ++++++++++++-------------
arch/sh/mm/nommu.c | 2 +-
8 files changed, 62 insertions(+), 48 deletions(-)
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 11e416630585..c29918f3c819 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -85,7 +85,7 @@ extern void copy_from_user_page(struct vm_area_struct *vma,
void kmap_coherent_init(void);
void *kmap_coherent(struct page *page, unsigned long addr);
-void kunmap_coherent(void);
+void kunmap_coherent(void *kvaddr);
#define PG_dcache_dirty PG_arch_1
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h
index 4c4429cda56d..c0d359ce337b 100644
--- a/arch/sh/include/asm/pgtable_32.h
+++ b/arch/sh/include/asm/pgtable_32.h
@@ -408,13 +408,19 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
/* to find an entry in a page-table-directory. */
#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
-#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address))
+#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
+#define __pgd_offset(address) pgd_index(address)
/* to find an entry in a kernel page-table-directory */
#define pgd_offset_k(address) pgd_offset(&init_mm, address)
+#define __pud_offset(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
+#define __pmd_offset(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
+
/* Find an entry in the third-level page table.. */
#define pte_index(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+#define __pte_offset(address) pte_index(address)
+
#define pte_offset_kernel(dir, address) \
((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address))
#define pte_offset_map(dir, address) pte_offset_kernel(dir, address)
diff --git a/arch/sh/include/asm/pgtable_64.h b/arch/sh/include/asm/pgtable_64.h
index c78990cda557..17cdbecc3adc 100644
--- a/arch/sh/include/asm/pgtable_64.h
+++ b/arch/sh/include/asm/pgtable_64.h
@@ -60,6 +60,9 @@ static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep)
/* To find an entry in a kernel PGD. */
#define pgd_offset_k(address) pgd_offset(&init_mm, address)
+#define __pud_offset(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
+#define __pmd_offset(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
+
/*
* PMD level access routines. Same notes as above.
*/
@@ -80,6 +83,8 @@ static __inline__ void pmd_set(pmd_t *pmdp,pte_t *ptep)
#define pte_index(address) \
((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+#define __pte_offset(address) pte_index(address)
+
#define pte_offset_kernel(dir, addr) \
((pte_t *) ((pmd_val(*(dir))) & PAGE_MASK) + pte_index((addr)))
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index db2b1c5beffd..8e4a8d1ac4a9 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -51,7 +51,7 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
!test_bit(PG_dcache_dirty, &page->flags)) {
void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(vto, src, len);
- kunmap_coherent();
+ kunmap_coherent(vto);
} else {
memcpy(dst, src, len);
if (boot_cpu_data.dcache.n_aliases)
@@ -70,7 +70,7 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
!test_bit(PG_dcache_dirty, &page->flags)) {
void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(dst, vfrom, len);
- kunmap_coherent();
+ kunmap_coherent(vfrom);
} else {
memcpy(dst, src, len);
if (boot_cpu_data.dcache.n_aliases)
@@ -89,7 +89,7 @@ void copy_user_highpage(struct page *to, struct page *from,
!test_bit(PG_dcache_dirty, &from->flags)) {
vfrom = kmap_coherent(from, vaddr);
copy_page(vto, vfrom);
- kunmap_coherent();
+ kunmap_coherent(vfrom);
} else {
vfrom = kmap_atomic(from, KM_USER0);
copy_page(vto, vfrom);
@@ -150,7 +150,7 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
kaddr = kmap_coherent(page, vmaddr);
__flush_wback_region((void *)kaddr, PAGE_SIZE);
- kunmap_coherent();
+ kunmap_coherent(kaddr);
} else
__flush_wback_region((void *)addr, PAGE_SIZE);
}
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index f1c93c880ed4..781b413ff82d 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -82,8 +82,8 @@ static noinline int vmalloc_fault(unsigned long address)
pmd_t *pmd_k;
pte_t *pte_k;
- /* Make sure we are in vmalloc area: */
- if (!(address >= VMALLOC_START && address < VMALLOC_END))
+ /* Make sure we are in vmalloc/module/P3 area: */
+ if (!(address >= VMALLOC_START && address < P3_ADDR_MAX))
return -1;
/*
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 0a9b4d855bc9..edc842ff61ed 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -106,27 +106,31 @@ void __init page_table_range_init(unsigned long start, unsigned long end,
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
- int pgd_idx;
+ pte_t *pte;
+ int i, j, k;
unsigned long vaddr;
- vaddr = start & PMD_MASK;
- end = (end + PMD_SIZE - 1) & PMD_MASK;
- pgd_idx = pgd_index(vaddr);
- pgd = pgd_base + pgd_idx;
-
- for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd++, pgd_idx++) {
- BUG_ON(pgd_none(*pgd));
- pud = pud_offset(pgd, 0);
- BUG_ON(pud_none(*pud));
- pmd = pmd_offset(pud, 0);
-
- if (!pmd_present(*pmd)) {
- pte_t *pte_table;
- pte_table = (pte_t *)alloc_bootmem_low_pages(PAGE_SIZE);
- pmd_populate_kernel(&init_mm, pmd, pte_table);
+ vaddr = start;
+ i = __pgd_offset(vaddr);
+ j = __pud_offset(vaddr);
+ k = __pmd_offset(vaddr);
+ pgd = pgd_base + i;
+
+ for ( ; (i < PTRS_PER_PGD) && (vaddr != end); pgd++, i++) {
+ pud = (pud_t *)pgd;
+ for ( ; (j < PTRS_PER_PUD) && (vaddr != end); pud++, j++) {
+ pmd = (pmd_t *)pud;
+ for (; (k < PTRS_PER_PMD) && (vaddr != end); pmd++, k++) {
+ if (pmd_none(*pmd)) {
+ pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
+ pmd_populate_kernel(&init_mm, pmd, pte);
+ BUG_ON(pte != pte_offset_kernel(pmd, 0));
+ }
+ vaddr += PMD_SIZE;
+ }
+ k = 0;
}
-
- vaddr += PMD_SIZE;
+ j = 0;
}
}
#endif /* CONFIG_MMU */
@@ -137,7 +141,7 @@ void __init page_table_range_init(unsigned long start, unsigned long end,
void __init paging_init(void)
{
unsigned long max_zone_pfns[MAX_NR_ZONES];
- unsigned long vaddr;
+ unsigned long vaddr, end;
int nid;
/* We don't need to map the kernel through the TLB, as
@@ -155,7 +159,8 @@ void __init paging_init(void)
* pte's will be filled in by __set_fixmap().
*/
vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK;
- page_table_range_init(vaddr, 0, swapper_pg_dir);
+ end = (FIXADDR_TOP + PMD_SIZE - 1) & PMD_MASK;
+ page_table_range_init(vaddr, end, swapper_pg_dir);
kmap_coherent_init();
diff --git a/arch/sh/mm/kmap.c b/arch/sh/mm/kmap.c
index 3eecf0d42f1a..c52cd8c40a64 100644
--- a/arch/sh/mm/kmap.c
+++ b/arch/sh/mm/kmap.c
@@ -24,9 +24,6 @@ void __init kmap_coherent_init(void)
{
unsigned long vaddr;
- if (!boot_cpu_data.dcache.n_aliases)
- return;
-
/* cache the first coherent kmap pte */
vaddr = __fix_to_virt(FIX_CMAP_BEGIN);
kmap_coherent_pte = kmap_get_fixmap_pte(vaddr);
@@ -35,30 +32,31 @@ void __init kmap_coherent_init(void)
void *kmap_coherent(struct page *page, unsigned long addr)
{
enum fixed_addresses idx;
- unsigned long vaddr, flags;
- pte_t pte;
+ unsigned long vaddr;
BUG_ON(test_bit(PG_dcache_dirty, &page->flags));
- inc_preempt_count();
-
- idx = (addr & current_cpu_data.dcache.alias_mask) >> PAGE_SHIFT;
- vaddr = __fix_to_virt(FIX_CMAP_END - idx);
- pte = mk_pte(page, PAGE_KERNEL);
+ pagefault_disable();
- local_irq_save(flags);
- flush_tlb_one(get_asid(), vaddr);
- local_irq_restore(flags);
+ idx = FIX_CMAP_END -
+ ((addr & current_cpu_data.dcache.alias_mask) >> PAGE_SHIFT);
+ vaddr = __fix_to_virt(idx);
- update_mmu_cache(NULL, vaddr, pte);
-
- set_pte(kmap_coherent_pte - (FIX_CMAP_END - idx), pte);
+ BUG_ON(!pte_none(*(kmap_coherent_pte - idx)));
+ set_pte(kmap_coherent_pte - idx, mk_pte(page, PAGE_KERNEL));
return (void *)vaddr;
}
-void kunmap_coherent(void)
+void kunmap_coherent(void *kvaddr)
{
- dec_preempt_count();
- preempt_check_resched();
+ if (kvaddr >= (void *)FIXADDR_START) {
+ unsigned long vaddr = (unsigned long)kvaddr & PAGE_MASK;
+ enum fixed_addresses idx = __virt_to_fix(vaddr);
+
+ pte_clear(&init_mm, vaddr, kmap_coherent_pte - idx);
+ local_flush_tlb_one(get_asid(), vaddr);
+ }
+
+ pagefault_enable();
}
diff --git a/arch/sh/mm/nommu.c b/arch/sh/mm/nommu.c
index 51b54037216f..ac16c05917ef 100644
--- a/arch/sh/mm/nommu.c
+++ b/arch/sh/mm/nommu.c
@@ -81,7 +81,7 @@ void *kmap_coherent(struct page *page, unsigned long addr)
return NULL;
}
-void kunmap_coherent(void)
+void kunmap_coherent(void *kvaddr)
{
BUG();
}
--
GitLab
From 5d113262ee9e074e0d36362d878892819bfdeb47 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 3 Sep 2009 20:13:53 +0300
Subject: [PATCH 468/742] OMAP: powerdomain: Fix overflow when doing
powerdomain deps lookups.
At the end of the list pd is a pointer to a NULL struct, so checking
if the address == NULL doesn't help here. In fact the original code
will just keep running past the struct to read who knows what in
memory.
This case manifests itself when from clkdms_setup() when enabling auto
idle for a clock domain and the clockdomain usecount is greater than
0. When _clkdm_add_autodeps() tries to add the a dependency that does
not exist in the powerdomain->wkdep_srcs array the for loop will run
past the wkdep_srcs array.
Currently in linux-omap you won't hit this because the not found case
is never executed, unless you start modifying powerdomains and their
wakeup/sleep deps.
Signed-off-by: Mike Chan <mike@android.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/mach-omap2/powerdomain.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 983f1cb676be..66206b6357fc 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -83,7 +83,7 @@ static struct powerdomain *_pwrdm_deps_lookup(struct powerdomain *pwrdm,
if (!pwrdm || !deps || !omap_chip_is(pwrdm->omap_chip))
return ERR_PTR(-EINVAL);
- for (pd = deps; pd; pd++) {
+ for (pd = deps; pd->pwrdm_name; pd++) {
if (!omap_chip_is(pd->omap_chip))
continue;
@@ -96,7 +96,7 @@ static struct powerdomain *_pwrdm_deps_lookup(struct powerdomain *pwrdm,
}
- if (!pd)
+ if (!pd->pwrdm_name)
return ERR_PTR(-ENOENT);
return pd->pwrdm;
--
GitLab
From 6dda2d4b1306c19e39496e9bb305424d1d547013 Mon Sep 17 00:00:00 2001
From: Tero Kristo <tero.kristo@nokia.com>
Date: Thu, 3 Sep 2009 20:13:56 +0300
Subject: [PATCH 469/742] OMAP: SDRC: Add several new register definitions
Add missing SDRC register offset macros.
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
[paul@pwsan.com: added commit message]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/plat-omap/include/mach/sdrc.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/plat-omap/include/mach/sdrc.h b/arch/arm/plat-omap/include/mach/sdrc.h
index 93f70d2cbce1..1c09c78a48f2 100644
--- a/arch/arm/plat-omap/include/mach/sdrc.h
+++ b/arch/arm/plat-omap/include/mach/sdrc.h
@@ -21,19 +21,28 @@
/* SDRC register offsets - read/write with sdrc_{read,write}_reg() */
#define SDRC_SYSCONFIG 0x010
+#define SDRC_CS_CFG 0x040
+#define SDRC_SHARING 0x044
+#define SDRC_ERR_TYPE 0x04C
#define SDRC_DLLA_CTRL 0x060
#define SDRC_DLLA_STATUS 0x064
#define SDRC_DLLB_CTRL 0x068
#define SDRC_DLLB_STATUS 0x06C
#define SDRC_POWER 0x070
+#define SDRC_MCFG_0 0x080
#define SDRC_MR_0 0x084
+#define SDRC_EMR2_0 0x08c
#define SDRC_ACTIM_CTRL_A_0 0x09c
#define SDRC_ACTIM_CTRL_B_0 0x0a0
#define SDRC_RFR_CTRL_0 0x0a4
+#define SDRC_MANUAL_0 0x0a8
+#define SDRC_MCFG_1 0x0B0
#define SDRC_MR_1 0x0B4
+#define SDRC_EMR2_1 0x0BC
#define SDRC_ACTIM_CTRL_A_1 0x0C4
#define SDRC_ACTIM_CTRL_B_1 0x0C8
#define SDRC_RFR_CTRL_1 0x0D4
+#define SDRC_MANUAL_1 0x0D8
/*
* These values represent the number of memory clock cycles between
--
GitLab
From 11b66383aa722a3321d2aeec09808c5b140ad396 Mon Sep 17 00:00:00 2001
From: Sanjeev Premi <premi@ti.com>
Date: Thu, 3 Sep 2009 20:13:58 +0300
Subject: [PATCH 470/742] OMAP3 clock: Fixed processing of bootarg 'mpurate'
The argument 'mpurate' had no effect on the MPU
frequency. This patch fixes the same.
Signed-off-by: Sanjeev Premi <premi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/mach-omap2/clock34xx.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index cd7819cc0c9e..fafcd32e6907 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -27,6 +27,7 @@
#include <linux/limits.h>
#include <linux/bitops.h>
+#include <mach/cpu.h>
#include <mach/clock.h>
#include <mach/sram.h>
#include <asm/div64.h>
@@ -1067,17 +1068,17 @@ static int __init omap2_clk_arch_init(void)
return -EINVAL;
/* REVISIT: not yet ready for 343x */
-#if 0
- if (clk_set_rate(&virt_prcm_set, mpurate))
- printk(KERN_ERR "Could not find matching MPU rate\n");
-#endif
+ if (clk_set_rate(&dpll1_ck, mpurate))
+ printk(KERN_ERR "*** Unable to set MPU rate\n");
recalculate_root_clocks();
- printk(KERN_INFO "Switched to new clocking rate (Crystal/DPLL3/MPU): "
+ printk(KERN_INFO "Switched to new clocking rate (Crystal/Core/MPU): "
"%ld.%01ld/%ld/%ld MHz\n",
- (osc_sys_ck.rate / 1000000), (osc_sys_ck.rate / 100000) % 10,
- (core_ck.rate / 1000000), (dpll1_fck.rate / 1000000)) ;
+ (osc_sys_ck.rate / 1000000), ((osc_sys_ck.rate / 100000) % 10),
+ (core_ck.rate / 1000000), (arm_fck.rate / 1000000)) ;
+
+ calibrate_delay();
return 0;
}
@@ -1136,7 +1137,7 @@ int __init omap2_clk_init(void)
recalculate_root_clocks();
- printk(KERN_INFO "Clocking rate (Crystal/DPLL/ARM core): "
+ printk(KERN_INFO "Clocking rate (Crystal/Core/MPU): "
"%ld.%01ld/%ld/%ld MHz\n",
(osc_sys_ck.rate / 1000000), (osc_sys_ck.rate / 100000) % 10,
(core_ck.rate / 1000000), (arm_fck.rate / 1000000));
--
GitLab
From 19f4d3a90bf2815cb97b66e603b5e0311d234458 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 3 Sep 2009 20:14:00 +0300
Subject: [PATCH 471/742] OMAP clock: associate MPU clocks with the mpu_clkdm
All MPU-related clocks should be in the mpu_clkdm. This is needed for the
upcoming omap_hwmod patches, which needs to know the clockdomain that arm_fck
is in.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/mach-omap2/clock34xx.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
index 57cc2725b923..9a823c341b7b 100644
--- a/arch/arm/mach-omap2/clock34xx.h
+++ b/arch/arm/mach-omap2/clock34xx.h
@@ -1020,6 +1020,7 @@ static struct clk arm_fck = {
.clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL),
.clksel_mask = OMAP3430_ST_MPU_CLK_MASK,
.clksel = arm_fck_clksel,
+ .clkdm_name = "mpu_clkdm",
.recalc = &omap2_clksel_recalc,
};
--
GitLab
From 08e3d5f28d4d696dc559898676019cbd36501025 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 3 Sep 2009 20:14:00 +0300
Subject: [PATCH 472/742] OMAP3 clock: remove superfluous calls to
omap2_init_clk_clkdm
omap2_init_clk_clkdm() is called as part of the chip architecture-specific
initialization code, so calling it again from the struct clk init pointer
just wastes cycles.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/mach-omap2/clock34xx.h | 20 --------------------
1 file changed, 20 deletions(-)
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
index 9a823c341b7b..c8119781e00a 100644
--- a/arch/arm/mach-omap2/clock34xx.h
+++ b/arch/arm/mach-omap2/clock34xx.h
@@ -1156,7 +1156,6 @@ static struct clk gfx_cg1_ck = {
.name = "gfx_cg1_ck",
.ops = &clkops_omap2_dflt_wait,
.parent = &gfx_l3_fck, /* REVISIT: correct? */
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_FCLKEN),
.enable_bit = OMAP3430ES1_EN_2D_SHIFT,
.clkdm_name = "gfx_3430es1_clkdm",
@@ -1167,7 +1166,6 @@ static struct clk gfx_cg2_ck = {
.name = "gfx_cg2_ck",
.ops = &clkops_omap2_dflt_wait,
.parent = &gfx_l3_fck, /* REVISIT: correct? */
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_FCLKEN),
.enable_bit = OMAP3430ES1_EN_3D_SHIFT,
.clkdm_name = "gfx_3430es1_clkdm",
@@ -1211,7 +1209,6 @@ static struct clk sgx_ick = {
.name = "sgx_ick",
.ops = &clkops_omap2_dflt_wait,
.parent = &l3_ick,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_SGX_MOD, CM_ICLKEN),
.enable_bit = OMAP3430ES2_CM_ICLKEN_SGX_EN_SGX_SHIFT,
.clkdm_name = "sgx_clkdm",
@@ -1224,7 +1221,6 @@ static struct clk d2d_26m_fck = {
.name = "d2d_26m_fck",
.ops = &clkops_omap2_dflt_wait,
.parent = &sys_ck,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430ES1_EN_D2D_SHIFT,
.clkdm_name = "d2d_clkdm",
@@ -1235,7 +1231,6 @@ static struct clk modem_fck = {
.name = "modem_fck",
.ops = &clkops_omap2_dflt_wait,
.parent = &sys_ck,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
.enable_bit = OMAP3430_EN_MODEM_SHIFT,
.clkdm_name = "d2d_clkdm",
@@ -1623,7 +1618,6 @@ static struct clk core_l3_ick = {
.name = "core_l3_ick",
.ops = &clkops_null,
.parent = &l3_ick,
- .init = &omap2_init_clk_clkdm,
.clkdm_name = "core_l3_clkdm",
.recalc = &followparent_recalc,
};
@@ -1692,7 +1686,6 @@ static struct clk core_l4_ick = {
.name = "core_l4_ick",
.ops = &clkops_null,
.parent = &l4_ick,
- .init = &omap2_init_clk_clkdm,
.clkdm_name = "core_l4_clkdm",
.recalc = &followparent_recalc,
};
@@ -2090,7 +2083,6 @@ static struct clk dss_tv_fck = {
.name = "dss_tv_fck",
.ops = &clkops_omap2_dflt,
.parent = &omap_54m_fck,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_TV_SHIFT,
.clkdm_name = "dss_clkdm",
@@ -2101,7 +2093,6 @@ static struct clk dss_96m_fck = {
.name = "dss_96m_fck",
.ops = &clkops_omap2_dflt,
.parent = &omap_96m_fck,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_TV_SHIFT,
.clkdm_name = "dss_clkdm",
@@ -2112,7 +2103,6 @@ static struct clk dss2_alwon_fck = {
.name = "dss2_alwon_fck",
.ops = &clkops_omap2_dflt,
.parent = &sys_ck,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_DSS2_SHIFT,
.clkdm_name = "dss_clkdm",
@@ -2124,7 +2114,6 @@ static struct clk dss_ick_3430es1 = {
.name = "dss_ick",
.ops = &clkops_omap2_dflt,
.parent = &l4_ick,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_CM_ICLKEN_DSS_EN_DSS_SHIFT,
.clkdm_name = "dss_clkdm",
@@ -2136,7 +2125,6 @@ static struct clk dss_ick_3430es2 = {
.name = "dss_ick",
.ops = &clkops_omap3430es2_dss_usbhost_wait,
.parent = &l4_ick,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_CM_ICLKEN_DSS_EN_DSS_SHIFT,
.clkdm_name = "dss_clkdm",
@@ -2160,7 +2148,6 @@ static struct clk cam_ick = {
.name = "cam_ick",
.ops = &clkops_omap2_dflt,
.parent = &l4_ick,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN),
.enable_bit = OMAP3430_EN_CAM_SHIFT,
.clkdm_name = "cam_clkdm",
@@ -2171,7 +2158,6 @@ static struct clk csi2_96m_fck = {
.name = "csi2_96m_fck",
.ops = &clkops_omap2_dflt,
.parent = &core_96m_fck,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN),
.enable_bit = OMAP3430_EN_CSI2_SHIFT,
.clkdm_name = "cam_clkdm",
@@ -2184,7 +2170,6 @@ static struct clk usbhost_120m_fck = {
.name = "usbhost_120m_fck",
.ops = &clkops_omap2_dflt,
.parent = &dpll5_m2_ck,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN),
.enable_bit = OMAP3430ES2_EN_USBHOST2_SHIFT,
.clkdm_name = "usbhost_clkdm",
@@ -2195,7 +2180,6 @@ static struct clk usbhost_48m_fck = {
.name = "usbhost_48m_fck",
.ops = &clkops_omap3430es2_dss_usbhost_wait,
.parent = &omap_48m_fck,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN),
.enable_bit = OMAP3430ES2_EN_USBHOST1_SHIFT,
.clkdm_name = "usbhost_clkdm",
@@ -2207,7 +2191,6 @@ static struct clk usbhost_ick = {
.name = "usbhost_ick",
.ops = &clkops_omap3430es2_dss_usbhost_wait,
.parent = &l4_ick,
- .init = &omap2_init_clk_clkdm,
.enable_reg = OMAP_CM_REGADDR(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN),
.enable_bit = OMAP3430ES2_EN_USBHOST_SHIFT,
.clkdm_name = "usbhost_clkdm",
@@ -2269,7 +2252,6 @@ static struct clk gpt1_fck = {
static struct clk wkup_32k_fck = {
.name = "wkup_32k_fck",
.ops = &clkops_null,
- .init = &omap2_init_clk_clkdm,
.parent = &omap_32k_fck,
.clkdm_name = "wkup_clkdm",
.recalc = &followparent_recalc,
@@ -2384,7 +2366,6 @@ static struct clk per_96m_fck = {
.name = "per_96m_fck",
.ops = &clkops_null,
.parent = &omap_96m_alwon_fck,
- .init = &omap2_init_clk_clkdm,
.clkdm_name = "per_clkdm",
.recalc = &followparent_recalc,
};
@@ -2393,7 +2374,6 @@ static struct clk per_48m_fck = {
.name = "per_48m_fck",
.ops = &clkops_null,
.parent = &omap_48m_fck,
- .init = &omap2_init_clk_clkdm,
.clkdm_name = "per_clkdm",
.recalc = &followparent_recalc,
};
--
GitLab
From c0407a96d04794be586eab4a412320079446cf93 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 3 Sep 2009 20:14:01 +0300
Subject: [PATCH 473/742] OMAP2/3 PM: create the OMAP PM interface and add a
default OMAP PM no-op layer
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The interface provides device drivers, CPUFreq, and DSPBridge with a
means of controlling OMAP power management parameters that are not yet
supported by the Linux PM PMQoS interface. Copious documentation is
in the patch in Documentation/arm/OMAP/omap_pm and the interface
header file, arch/arm/plat-omap/include/mach/omap-pm.h.
Thanks to Rajendra Nayak <rnayak@ti.com> for adding CORE (VDD2) OPP
support and moving the OPP table initialization earlier in the event
that the clock code needs them. Thanks to Tero Kristo
<tero.kristo@nokia.com> for fixing the parameter check in
omap_pm_set_min_bus_tput(). Jouni signed off on Tero's patch.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Jouni Högander <jouni.hogander@nokia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Igor Stoppa <igor.stoppa@nokia.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Anand Sawant <sawant@ti.com>
Cc: Sakari Poussa <sakari.poussa@nokia.com>
Cc: Veeramanikandan Raju <veera@ti.com>
Cc: Karthik Dasu <karthik-dp@ti.com>
---
Documentation/arm/OMAP/omap_pm | 129 ++++++++++
arch/arm/mach-omap2/io.c | 4 +
arch/arm/plat-omap/Kconfig | 13 +
arch/arm/plat-omap/Makefile | 1 +
arch/arm/plat-omap/include/mach/omap-pm.h | 301 ++++++++++++++++++++++
arch/arm/plat-omap/omap-pm-noop.c | 296 +++++++++++++++++++++
6 files changed, 744 insertions(+)
create mode 100644 Documentation/arm/OMAP/omap_pm
create mode 100644 arch/arm/plat-omap/include/mach/omap-pm.h
create mode 100644 arch/arm/plat-omap/omap-pm-noop.c
diff --git a/Documentation/arm/OMAP/omap_pm b/Documentation/arm/OMAP/omap_pm
new file mode 100644
index 000000000000..5389440aade3
--- /dev/null
+++ b/Documentation/arm/OMAP/omap_pm
@@ -0,0 +1,129 @@
+
+The OMAP PM interface
+=====================
+
+This document describes the temporary OMAP PM interface. Driver
+authors use these functions to communicate minimum latency or
+throughput constraints to the kernel power management code.
+Over time, the intention is to merge features from the OMAP PM
+interface into the Linux PM QoS code.
+
+Drivers need to express PM parameters which:
+
+- support the range of power management parameters present in the TI SRF;
+
+- separate the drivers from the underlying PM parameter
+ implementation, whether it is the TI SRF or Linux PM QoS or Linux
+ latency framework or something else;
+
+- specify PM parameters in terms of fundamental units, such as
+ latency and throughput, rather than units which are specific to OMAP
+ or to particular OMAP variants;
+
+- allow drivers which are shared with other architectures (e.g.,
+ DaVinci) to add these constraints in a way which won't affect non-OMAP
+ systems,
+
+- can be implemented immediately with minimal disruption of other
+ architectures.
+
+
+This document proposes the OMAP PM interface, including the following
+five power management functions for driver code:
+
+1. Set the maximum MPU wakeup latency:
+ (*pdata->set_max_mpu_wakeup_lat)(struct device *dev, unsigned long t)
+
+2. Set the maximum device wakeup latency:
+ (*pdata->set_max_dev_wakeup_lat)(struct device *dev, unsigned long t)
+
+3. Set the maximum system DMA transfer start latency (CORE pwrdm):
+ (*pdata->set_max_sdma_lat)(struct device *dev, long t)
+
+4. Set the minimum bus throughput needed by a device:
+ (*pdata->set_min_bus_tput)(struct device *dev, u8 agent_id, unsigned long r)
+
+5. Return the number of times the device has lost context
+ (*pdata->get_dev_context_loss_count)(struct device *dev)
+
+
+Further documentation for all OMAP PM interface functions can be
+found in arch/arm/plat-omap/include/mach/omap-pm.h.
+
+
+The OMAP PM layer is intended to be temporary
+---------------------------------------------
+
+The intention is that eventually the Linux PM QoS layer should support
+the range of power management features present in OMAP3. As this
+happens, existing drivers using the OMAP PM interface can be modified
+to use the Linux PM QoS code; and the OMAP PM interface can disappear.
+
+
+Driver usage of the OMAP PM functions
+-------------------------------------
+
+As the 'pdata' in the above examples indicates, these functions are
+exposed to drivers through function pointers in driver .platform_data
+structures. The function pointers are initialized by the board-*.c
+files to point to the corresponding OMAP PM functions:
+.set_max_dev_wakeup_lat will point to
+omap_pm_set_max_dev_wakeup_lat(), etc. Other architectures which do
+not support these functions should leave these function pointers set
+to NULL. Drivers should use the following idiom:
+
+ if (pdata->set_max_dev_wakeup_lat)
+ (*pdata->set_max_dev_wakeup_lat)(dev, t);
+
+The most common usage of these functions will probably be to specify
+the maximum time from when an interrupt occurs, to when the device
+becomes accessible. To accomplish this, driver writers should use the
+set_max_mpu_wakeup_lat() function to to constrain the MPU wakeup
+latency, and the set_max_dev_wakeup_lat() function to constrain the
+device wakeup latency (from clk_enable() to accessibility). For
+example,
+
+ /* Limit MPU wakeup latency */
+ if (pdata->set_max_mpu_wakeup_lat)
+ (*pdata->set_max_mpu_wakeup_lat)(dev, tc);
+
+ /* Limit device powerdomain wakeup latency */
+ if (pdata->set_max_dev_wakeup_lat)
+ (*pdata->set_max_dev_wakeup_lat)(dev, td);
+
+ /* total wakeup latency in this example: (tc + td) */
+
+The PM parameters can be overwritten by calling the function again
+with the new value. The settings can be removed by calling the
+function with a t argument of -1 (except in the case of
+set_max_bus_tput(), which should be called with an r argument of 0).
+
+The fifth function above, omap_pm_get_dev_context_loss_count(),
+is intended as an optimization to allow drivers to determine whether the
+device has lost its internal context. If context has been lost, the
+driver must restore its internal context before proceeding.
+
+
+Other specialized interface functions
+-------------------------------------
+
+The five functions listed above are intended to be usable by any
+device driver. DSPBridge and CPUFreq have a few special requirements.
+DSPBridge expresses target DSP performance levels in terms of OPP IDs.
+CPUFreq expresses target MPU performance levels in terms of MPU
+frequency. The OMAP PM interface contains functions for these
+specialized cases to convert that input information (OPPs/MPU
+frequency) into the form that the underlying power management
+implementation needs:
+
+6. (*pdata->dsp_get_opp_table)(void)
+
+7. (*pdata->dsp_set_min_opp)(u8 opp_id)
+
+8. (*pdata->dsp_get_opp)(void)
+
+9. (*pdata->cpu_get_freq_table)(void)
+
+10. (*pdata->cpu_set_freq)(unsigned long f)
+
+11. (*pdata->cpu_get_freq)(void)
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index e9b9bcb19b4e..4bfe873e1b83 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -36,6 +36,7 @@
#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdev is ready */
#include "clock.h"
+#include <mach/omap-pm.h>
#include <mach/powerdomain.h>
#include "powerdomains.h"
@@ -281,9 +282,12 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
{
omap2_mux_init();
#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */
+ /* The OPP tables have to be registered before a clk init */
+ omap_pm_if_early_init(mpu_opps, dsp_opps, l3_opps);
pwrdm_init(powerdomains_omap);
clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
omap2_clk_init();
+ omap_pm_if_init();
omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
_omap2_init_reprogram_sdrc();
#endif
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index ab9f9efc9b62..64b3f52bd9b2 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -187,6 +187,19 @@ config OMAP_SERIAL_WAKE
to data on the serial RX line. This allows you to wake the
system from serial console.
+choice
+ prompt "OMAP PM layer selection"
+ depends on ARCH_OMAP
+ default OMAP_PM_NOOP
+
+config OMAP_PM_NONE
+ bool "No PM layer"
+
+config OMAP_PM_NOOP
+ bool "No-op/debug PM layer"
+
+endchoice
+
endmenu
endif
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index 769a4c200364..5e10d0a2eb8d 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -26,3 +26,4 @@ obj-y += $(i2c-omap-m) $(i2c-omap-y)
# OMAP mailbox framework
obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox.o
+obj-$(CONFIG_OMAP_PM_NOOP) += omap-pm-noop.o
\ No newline at end of file
diff --git a/arch/arm/plat-omap/include/mach/omap-pm.h b/arch/arm/plat-omap/include/mach/omap-pm.h
new file mode 100644
index 000000000000..3ee41d711492
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/omap-pm.h
@@ -0,0 +1,301 @@
+/*
+ * omap-pm.h - OMAP power management interface
+ *
+ * Copyright (C) 2008-2009 Texas Instruments, Inc.
+ * Copyright (C) 2008-2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * Interface developed by (in alphabetical order): Karthik Dasu, Jouni
+ * Högander, Tony Lindgren, Rajendra Nayak, Sakari Poussa,
+ * Veeramanikandan Raju, Anand Sawant, Igor Stoppa, Paul Walmsley,
+ * Richard Woodruff
+ */
+
+#ifndef ASM_ARM_ARCH_OMAP_OMAP_PM_H
+#define ASM_ARM_ARCH_OMAP_OMAP_PM_H
+
+#include <linux/device.h>
+#include <linux/cpufreq.h>
+
+#include "powerdomain.h"
+
+/**
+ * struct omap_opp - clock frequency-to-OPP ID table for DSP, MPU
+ * @rate: target clock rate
+ * @opp_id: OPP ID
+ * @min_vdd: minimum VDD1 voltage (in millivolts) for this OPP
+ *
+ * Operating performance point data. Can vary by OMAP chip and board.
+ */
+struct omap_opp {
+ unsigned long rate;
+ u8 opp_id;
+ u16 min_vdd;
+};
+
+extern struct omap_opp *mpu_opps;
+extern struct omap_opp *dsp_opps;
+extern struct omap_opp *l3_opps;
+
+/*
+ * agent_id values for use with omap_pm_set_min_bus_tput():
+ *
+ * OCP_INITIATOR_AGENT is only valid for devices that can act as
+ * initiators -- it represents the device's L3 interconnect
+ * connection. OCP_TARGET_AGENT represents the device's L4
+ * interconnect connection.
+ */
+#define OCP_TARGET_AGENT 1
+#define OCP_INITIATOR_AGENT 2
+
+/**
+ * omap_pm_if_early_init - OMAP PM init code called before clock fw init
+ * @mpu_opp_table: array ptr to struct omap_opp for MPU
+ * @dsp_opp_table: array ptr to struct omap_opp for DSP
+ * @l3_opp_table : array ptr to struct omap_opp for CORE
+ *
+ * Initialize anything that must be configured before the clock
+ * framework starts. The "_if_" is to avoid name collisions with the
+ * PM idle-loop code.
+ */
+int __init omap_pm_if_early_init(struct omap_opp *mpu_opp_table,
+ struct omap_opp *dsp_opp_table,
+ struct omap_opp *l3_opp_table);
+
+/**
+ * omap_pm_if_init - OMAP PM init code called after clock fw init
+ *
+ * The main initialization code. OPP tables are passed in here. The
+ * "_if_" is to avoid name collisions with the PM idle-loop code.
+ */
+int __init omap_pm_if_init(void);
+
+/**
+ * omap_pm_if_exit - OMAP PM exit code
+ *
+ * Exit code; currently unused. The "_if_" is to avoid name
+ * collisions with the PM idle-loop code.
+ */
+void omap_pm_if_exit(void);
+
+/*
+ * Device-driver-originated constraints (via board-*.c files, platform_data)
+ */
+
+
+/**
+ * omap_pm_set_max_mpu_wakeup_lat - set the maximum MPU wakeup latency
+ * @dev: struct device * requesting the constraint
+ * @t: maximum MPU wakeup latency in microseconds
+ *
+ * Request that the maximum interrupt latency for the MPU to be no
+ * greater than 't' microseconds. "Interrupt latency" in this case is
+ * defined as the elapsed time from the occurrence of a hardware or
+ * timer interrupt to the time when the device driver's interrupt
+ * service routine has been entered by the MPU.
+ *
+ * It is intended that underlying PM code will use this information to
+ * determine what power state to put the MPU powerdomain into, and
+ * possibly the CORE powerdomain as well, since interrupt handling
+ * code currently runs from SDRAM. Advanced PM or board*.c code may
+ * also configure interrupt controller priorities, OCP bus priorities,
+ * CPU speed(s), etc.
+ *
+ * This function will not affect device wakeup latency, e.g., time
+ * elapsed from when a device driver enables a hardware device with
+ * clk_enable(), to when the device is ready for register access or
+ * other use. To control this device wakeup latency, use
+ * set_max_dev_wakeup_lat()
+ *
+ * Multiple calls to set_max_mpu_wakeup_lat() will replace the
+ * previous t value. To remove the latency target for the MPU, call
+ * with t = -1.
+ *
+ * No return value.
+ */
+void omap_pm_set_max_mpu_wakeup_lat(struct device *dev, long t);
+
+
+/**
+ * omap_pm_set_min_bus_tput - set minimum bus throughput needed by device
+ * @dev: struct device * requesting the constraint
+ * @tbus_id: interconnect to operate on (OCP_{INITIATOR,TARGET}_AGENT)
+ * @r: minimum throughput (in KiB/s)
+ *
+ * Request that the minimum data throughput on the OCP interconnect
+ * attached to device 'dev' interconnect agent 'tbus_id' be no less
+ * than 'r' KiB/s.
+ *
+ * It is expected that the OMAP PM or bus code will use this
+ * information to set the interconnect clock to run at the lowest
+ * possible speed that satisfies all current system users. The PM or
+ * bus code will adjust the estimate based on its model of the bus, so
+ * device driver authors should attempt to specify an accurate
+ * quantity for their device use case, and let the PM or bus code
+ * overestimate the numbers as necessary to handle request/response
+ * latency, other competing users on the system, etc. On OMAP2/3, if
+ * a driver requests a minimum L4 interconnect speed constraint, the
+ * code will also need to add an minimum L3 interconnect speed
+ * constraint,
+ *
+ * Multiple calls to set_min_bus_tput() will replace the previous rate
+ * value for this device. To remove the interconnect throughput
+ * restriction for this device, call with r = 0.
+ *
+ * No return value.
+ */
+void omap_pm_set_min_bus_tput(struct device *dev, u8 agent_id, unsigned long r);
+
+
+/**
+ * omap_pm_set_max_dev_wakeup_lat - set the maximum device enable latency
+ * @dev: struct device *
+ * @t: maximum device wakeup latency in microseconds
+ *
+ * Request that the maximum amount of time necessary for a device to
+ * become accessible after its clocks are enabled should be no greater
+ * than 't' microseconds. Specifically, this represents the time from
+ * when a device driver enables device clocks with clk_enable(), to
+ * when the register reads and writes on the device will succeed.
+ * This function should be called before clk_disable() is called,
+ * since the power state transition decision may be made during
+ * clk_disable().
+ *
+ * It is intended that underlying PM code will use this information to
+ * determine what power state to put the powerdomain enclosing this
+ * device into.
+ *
+ * Multiple calls to set_max_dev_wakeup_lat() will replace the
+ * previous wakeup latency values for this device. To remove the wakeup
+ * latency restriction for this device, call with t = -1.
+ *
+ * No return value.
+ */
+void omap_pm_set_max_dev_wakeup_lat(struct device *dev, long t);
+
+
+/**
+ * omap_pm_set_max_sdma_lat - set the maximum system DMA transfer start latency
+ * @dev: struct device *
+ * @t: maximum DMA transfer start latency in microseconds
+ *
+ * Request that the maximum system DMA transfer start latency for this
+ * device 'dev' should be no greater than 't' microseconds. "DMA
+ * transfer start latency" here is defined as the elapsed time from
+ * when a device (e.g., McBSP) requests that a system DMA transfer
+ * start or continue, to the time at which data starts to flow into
+ * that device from the system DMA controller.
+ *
+ * It is intended that underlying PM code will use this information to
+ * determine what power state to put the CORE powerdomain into.
+ *
+ * Since system DMA transfers may not involve the MPU, this function
+ * will not affect MPU wakeup latency. Use set_max_cpu_lat() to do
+ * so. Similarly, this function will not affect device wakeup latency
+ * -- use set_max_dev_wakeup_lat() to affect that.
+ *
+ * Multiple calls to set_max_sdma_lat() will replace the previous t
+ * value for this device. To remove the maximum DMA latency for this
+ * device, call with t = -1.
+ *
+ * No return value.
+ */
+void omap_pm_set_max_sdma_lat(struct device *dev, long t);
+
+
+/*
+ * DSP Bridge-specific constraints
+ */
+
+/**
+ * omap_pm_dsp_get_opp_table - get OPP->DSP clock frequency table
+ *
+ * Intended for use by DSPBridge. Returns an array of OPP->DSP clock
+ * frequency entries. The final item in the array should have .rate =
+ * .opp_id = 0.
+ */
+const struct omap_opp *omap_pm_dsp_get_opp_table(void);
+
+/**
+ * omap_pm_dsp_set_min_opp - receive desired OPP target ID from DSP Bridge
+ * @opp_id: target DSP OPP ID
+ *
+ * Set a minimum OPP ID for the DSP. This is intended to be called
+ * only from the DSP Bridge MPU-side driver. Unfortunately, the only
+ * information that code receives from the DSP/BIOS load estimator is the
+ * target OPP ID; hence, this interface. No return value.
+ */
+void omap_pm_dsp_set_min_opp(u8 opp_id);
+
+/**
+ * omap_pm_dsp_get_opp - report the current DSP OPP ID
+ *
+ * Report the current OPP for the DSP. Since on OMAP3, the DSP and
+ * MPU share a single voltage domain, the OPP ID returned back may
+ * represent a higher DSP speed than the OPP requested via
+ * omap_pm_dsp_set_min_opp().
+ *
+ * Returns the current VDD1 OPP ID, or 0 upon error.
+ */
+u8 omap_pm_dsp_get_opp(void);
+
+
+/*
+ * CPUFreq-originated constraint
+ *
+ * In the future, this should be handled by custom OPP clocktype
+ * functions.
+ */
+
+/**
+ * omap_pm_cpu_get_freq_table - return a cpufreq_frequency_table array ptr
+ *
+ * Provide a frequency table usable by CPUFreq for the current chip/board.
+ * Returns a pointer to a struct cpufreq_frequency_table array or NULL
+ * upon error.
+ */
+struct cpufreq_frequency_table **omap_pm_cpu_get_freq_table(void);
+
+/**
+ * omap_pm_cpu_set_freq - set the current minimum MPU frequency
+ * @f: MPU frequency in Hz
+ *
+ * Set the current minimum CPU frequency. The actual CPU frequency
+ * used could end up higher if the DSP requested a higher OPP.
+ * Intended to be called by plat-omap/cpu_omap.c:omap_target(). No
+ * return value.
+ */
+void omap_pm_cpu_set_freq(unsigned long f);
+
+/**
+ * omap_pm_cpu_get_freq - report the current CPU frequency
+ *
+ * Returns the current MPU frequency, or 0 upon error.
+ */
+unsigned long omap_pm_cpu_get_freq(void);
+
+
+/*
+ * Device context loss tracking
+ */
+
+/**
+ * omap_pm_get_dev_context_loss_count - return count of times dev has lost ctx
+ * @dev: struct device *
+ *
+ * This function returns the number of times that the device @dev has
+ * lost its internal context. This generally occurs on a powerdomain
+ * transition to OFF. Drivers use this as an optimization to avoid restoring
+ * context if the device hasn't lost it. To use, drivers should initially
+ * call this in their context save functions and store the result. Early in
+ * the driver's context restore function, the driver should call this function
+ * again, and compare the result to the stored counter. If they differ, the
+ * driver must restore device context. If the number of context losses
+ * exceeds the maximum positive integer, the function will wrap to 0 and
+ * continue counting. Returns the number of context losses for this device,
+ * or -EINVAL upon error.
+ */
+int omap_pm_get_dev_context_loss_count(struct device *dev);
+
+
+#endif
diff --git a/arch/arm/plat-omap/omap-pm-noop.c b/arch/arm/plat-omap/omap-pm-noop.c
new file mode 100644
index 000000000000..e98f0a2a6c26
--- /dev/null
+++ b/arch/arm/plat-omap/omap-pm-noop.c
@@ -0,0 +1,296 @@
+/*
+ * omap-pm-noop.c - OMAP power management interface - dummy version
+ *
+ * This code implements the OMAP power management interface to
+ * drivers, CPUIdle, CPUFreq, and DSP Bridge. It is strictly for
+ * debug/demonstration use, as it does nothing but printk() whenever a
+ * function is called (when DEBUG is defined, below)
+ *
+ * Copyright (C) 2008-2009 Texas Instruments, Inc.
+ * Copyright (C) 2008-2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * Interface developed by (in alphabetical order):
+ * Karthik Dasu, Tony Lindgren, Rajendra Nayak, Sakari Poussa, Veeramanikandan
+ * Raju, Anand Sawant, Igor Stoppa, Paul Walmsley, Richard Woodruff
+ */
+
+#undef DEBUG
+
+#include <linux/init.h>
+#include <linux/cpufreq.h>
+#include <linux/device.h>
+
+/* Interface documentation is in mach/omap-pm.h */
+#include <mach/omap-pm.h>
+
+#include <mach/powerdomain.h>
+
+struct omap_opp *dsp_opps;
+struct omap_opp *mpu_opps;
+struct omap_opp *l3_opps;
+
+/*
+ * Device-driver-originated constraints (via board-*.c files)
+ */
+
+void omap_pm_set_max_mpu_wakeup_lat(struct device *dev, long t)
+{
+ if (!dev || t < -1) {
+ WARN_ON(1);
+ return;
+ };
+
+ if (t == -1)
+ pr_debug("OMAP PM: remove max MPU wakeup latency constraint: "
+ "dev %s\n", dev_name(dev));
+ else
+ pr_debug("OMAP PM: add max MPU wakeup latency constraint: "
+ "dev %s, t = %ld usec\n", dev_name(dev), t);
+
+ /*
+ * For current Linux, this needs to map the MPU to a
+ * powerdomain, then go through the list of current max lat
+ * constraints on the MPU and find the smallest. If
+ * the latency constraint has changed, the code should
+ * recompute the state to enter for the next powerdomain
+ * state.
+ *
+ * TI CDP code can call constraint_set here.
+ */
+}
+
+void omap_pm_set_min_bus_tput(struct device *dev, u8 agent_id, unsigned long r)
+{
+ if (!dev || (agent_id != OCP_INITIATOR_AGENT &&
+ agent_id != OCP_TARGET_AGENT)) {
+ WARN_ON(1);
+ return;
+ };
+
+ if (r == 0)
+ pr_debug("OMAP PM: remove min bus tput constraint: "
+ "dev %s for agent_id %d\n", dev_name(dev), agent_id);
+ else
+ pr_debug("OMAP PM: add min bus tput constraint: "
+ "dev %s for agent_id %d: rate %ld KiB\n",
+ dev_name(dev), agent_id, r);
+
+ /*
+ * This code should model the interconnect and compute the
+ * required clock frequency, convert that to a VDD2 OPP ID, then
+ * set the VDD2 OPP appropriately.
+ *
+ * TI CDP code can call constraint_set here on the VDD2 OPP.
+ */
+}
+
+void omap_pm_set_max_dev_wakeup_lat(struct device *dev, long t)
+{
+ if (!dev || t < -1) {
+ WARN_ON(1);
+ return;
+ };
+
+ if (t == -1)
+ pr_debug("OMAP PM: remove max device latency constraint: "
+ "dev %s\n", dev_name(dev));
+ else
+ pr_debug("OMAP PM: add max device latency constraint: "
+ "dev %s, t = %ld usec\n", dev_name(dev), t);
+
+ /*
+ * For current Linux, this needs to map the device to a
+ * powerdomain, then go through the list of current max lat
+ * constraints on that powerdomain and find the smallest. If
+ * the latency constraint has changed, the code should
+ * recompute the state to enter for the next powerdomain
+ * state. Conceivably, this code should also determine
+ * whether to actually disable the device clocks or not,
+ * depending on how long it takes to re-enable the clocks.
+ *
+ * TI CDP code can call constraint_set here.
+ */
+}
+
+void omap_pm_set_max_sdma_lat(struct device *dev, long t)
+{
+ if (!dev || t < -1) {
+ WARN_ON(1);
+ return;
+ };
+
+ if (t == -1)
+ pr_debug("OMAP PM: remove max DMA latency constraint: "
+ "dev %s\n", dev_name(dev));
+ else
+ pr_debug("OMAP PM: add max DMA latency constraint: "
+ "dev %s, t = %ld usec\n", dev_name(dev), t);
+
+ /*
+ * For current Linux PM QOS params, this code should scan the
+ * list of maximum CPU and DMA latencies and select the
+ * smallest, then set cpu_dma_latency pm_qos_param
+ * accordingly.
+ *
+ * For future Linux PM QOS params, with separate CPU and DMA
+ * latency params, this code should just set the dma_latency param.
+ *
+ * TI CDP code can call constraint_set here.
+ */
+
+}
+
+
+/*
+ * DSP Bridge-specific constraints
+ */
+
+const struct omap_opp *omap_pm_dsp_get_opp_table(void)
+{
+ pr_debug("OMAP PM: DSP request for OPP table\n");
+
+ /*
+ * Return DSP frequency table here: The final item in the
+ * array should have .rate = .opp_id = 0.
+ */
+
+ return NULL;
+}
+
+void omap_pm_dsp_set_min_opp(u8 opp_id)
+{
+ if (opp_id == 0) {
+ WARN_ON(1);
+ return;
+ }
+
+ pr_debug("OMAP PM: DSP requests minimum VDD1 OPP to be %d\n", opp_id);
+
+ /*
+ *
+ * For l-o dev tree, our VDD1 clk is keyed on OPP ID, so we
+ * can just test to see which is higher, the CPU's desired OPP
+ * ID or the DSP's desired OPP ID, and use whichever is
+ * highest.
+ *
+ * In CDP12.14+, the VDD1 OPP custom clock that controls the DSP
+ * rate is keyed on MPU speed, not the OPP ID. So we need to
+ * map the OPP ID to the MPU speed for use with clk_set_rate()
+ * if it is higher than the current OPP clock rate.
+ *
+ */
+}
+
+
+u8 omap_pm_dsp_get_opp(void)
+{
+ pr_debug("OMAP PM: DSP requests current DSP OPP ID\n");
+
+ /*
+ * For l-o dev tree, call clk_get_rate() on VDD1 OPP clock
+ *
+ * CDP12.14+:
+ * Call clk_get_rate() on the OPP custom clock, map that to an
+ * OPP ID using the tables defined in board-*.c/chip-*.c files.
+ */
+
+ return 0;
+}
+
+/*
+ * CPUFreq-originated constraint
+ *
+ * In the future, this should be handled by custom OPP clocktype
+ * functions.
+ */
+
+struct cpufreq_frequency_table **omap_pm_cpu_get_freq_table(void)
+{
+ pr_debug("OMAP PM: CPUFreq request for frequency table\n");
+
+ /*
+ * Return CPUFreq frequency table here: loop over
+ * all VDD1 clkrates, pull out the mpu_ck frequencies, build
+ * table
+ */
+
+ return NULL;
+}
+
+void omap_pm_cpu_set_freq(unsigned long f)
+{
+ if (f == 0) {
+ WARN_ON(1);
+ return;
+ }
+
+ pr_debug("OMAP PM: CPUFreq requests CPU frequency to be set to %lu\n",
+ f);
+
+ /*
+ * For l-o dev tree, determine whether MPU freq or DSP OPP id
+ * freq is higher. Find the OPP ID corresponding to the
+ * higher frequency. Call clk_round_rate() and clk_set_rate()
+ * on the OPP custom clock.
+ *
+ * CDP should just be able to set the VDD1 OPP clock rate here.
+ */
+}
+
+unsigned long omap_pm_cpu_get_freq(void)
+{
+ pr_debug("OMAP PM: CPUFreq requests current CPU frequency\n");
+
+ /*
+ * Call clk_get_rate() on the mpu_ck.
+ */
+
+ return 0;
+}
+
+/*
+ * Device context loss tracking
+ */
+
+int omap_pm_get_dev_context_loss_count(struct device *dev)
+{
+ if (!dev) {
+ WARN_ON(1);
+ return -EINVAL;
+ };
+
+ pr_debug("OMAP PM: returning context loss count for dev %s\n",
+ dev_name(dev));
+
+ /*
+ * Map the device to the powerdomain. Return the powerdomain
+ * off counter.
+ */
+
+ return 0;
+}
+
+
+/* Should be called before clk framework init */
+int __init omap_pm_if_early_init(struct omap_opp *mpu_opp_table,
+ struct omap_opp *dsp_opp_table,
+ struct omap_opp *l3_opp_table)
+{
+ mpu_opps = mpu_opp_table;
+ dsp_opps = dsp_opp_table;
+ l3_opps = l3_opp_table;
+ return 0;
+}
+
+/* Must be called after clock framework is initialized */
+int __init omap_pm_if_init(void)
+{
+ return 0;
+}
+
+void omap_pm_if_exit(void)
+{
+ /* Deallocate CPUFreq frequency table here */
+}
+
--
GitLab
From 71348bcaac6f4c372525d4d62e88a82a7330435b Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 3 Sep 2009 20:14:02 +0300
Subject: [PATCH 474/742] OMAP2/3/4 PRCM: add module IDLEST wait code
After a hardware module's clocks are enabled, Linux must wait for it
to indicate readiness via its IDLEST bit before attempting to access
the device, otherwise register accesses to the device may trigger an
abort. This has traditionally been implemented in the clock
framework, but this is the wrong place for it: the clock framework
doesn't know which module clocks must be enabled for a module to leave
idle; and if a module is not in smart-idle mode, it may never leave
idle at all. This type of information is best stored in a
per-hardware module data structure (coming in a following patch),
rather than a per-clock data structure. The new code will use these new
functions to handle waiting for modules to enable.
Once hardware module data is filled in for all of the on-chip devices,
the clock framework code to handle IDLEST waiting can be removed.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/mach-omap2/Makefile | 5 +++
arch/arm/mach-omap2/cm.c | 70 ++++++++++++++++++++++++++++++++++++
arch/arm/mach-omap2/cm.h | 4 +++
arch/arm/mach-omap2/cm4xxx.c | 68 +++++++++++++++++++++++++++++++++++
4 files changed, 147 insertions(+)
create mode 100644 arch/arm/mach-omap2/cm.c
create mode 100644 arch/arm/mach-omap2/cm4xxx.c
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 8850a247bec9..59d730fa77e5 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -35,6 +35,11 @@ obj-$(CONFIG_ARCH_OMAP3) += pm34xx.o sleep34xx.o
obj-$(CONFIG_PM_DEBUG) += pm-debug.o
endif
+# PRCM
+obj-$(CONFIG_ARCH_OMAP2) += cm.o
+obj-$(CONFIG_ARCH_OMAP3) += cm.o
+obj-$(CONFIG_ARCH_OMAP4) += cm4xxx.o
+
# Clock framework
obj-$(CONFIG_ARCH_OMAP2) += clock24xx.o
obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o
diff --git a/arch/arm/mach-omap2/cm.c b/arch/arm/mach-omap2/cm.c
new file mode 100644
index 000000000000..8eb2dab8c7db
--- /dev/null
+++ b/arch/arm/mach-omap2/cm.c
@@ -0,0 +1,70 @@
+/*
+ * OMAP2/3 CM module functions
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <asm/atomic.h>
+
+#include "cm.h"
+#include "cm-regbits-24xx.h"
+#include "cm-regbits-34xx.h"
+
+/* MAX_MODULE_READY_TIME: max milliseconds for module to leave idle */
+#define MAX_MODULE_READY_TIME 20000
+
+static const u8 cm_idlest_offs[] = {
+ CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3
+};
+
+/**
+ * omap2_cm_wait_idlest_ready - wait for a module to leave idle or standby
+ * @prcm_mod: PRCM module offset
+ * @idlest_id: CM_IDLESTx register ID (i.e., x = 1, 2, 3)
+ * @idlest_shift: shift of the bit in the CM_IDLEST* register to check
+ *
+ * XXX document
+ */
+int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
+{
+ int ena = 0, i = 0;
+ u8 cm_idlest_reg;
+ u32 mask;
+
+ if (!idlest_id || (idlest_id > ARRAY_SIZE(cm_idlest_offs)))
+ return -EINVAL;
+
+ cm_idlest_reg = cm_idlest_offs[idlest_id - 1];
+
+ if (cpu_is_omap24xx())
+ ena = idlest_shift;
+ else if (cpu_is_omap34xx())
+ ena = 0;
+ else
+ BUG();
+
+ mask = 1 << idlest_shift;
+
+ /* XXX should be OMAP2 CM */
+ while (((cm_read_mod_reg(prcm_mod, cm_idlest_reg) & mask) != ena) &&
+ (i++ < MAX_MODULE_READY_TIME))
+ udelay(1);
+
+ return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
+}
+
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index 18d9a121aa7a..cfd0b726ba44 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -98,6 +98,10 @@ extern u32 cm_read_mod_reg(s16 module, u16 idx);
extern void cm_write_mod_reg(u32 val, s16 module, u16 idx);
extern u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx);
+extern int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id,
+ u8 idlest_shift);
+extern int omap4_cm_wait_module_ready(u32 prcm_mod, u8 prcm_dev_offs);
+
static inline u32 cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
{
return cm_rmw_mod_reg_bits(bits, bits, module, idx);
diff --git a/arch/arm/mach-omap2/cm4xxx.c b/arch/arm/mach-omap2/cm4xxx.c
new file mode 100644
index 000000000000..e4ebd6d53135
--- /dev/null
+++ b/arch/arm/mach-omap2/cm4xxx.c
@@ -0,0 +1,68 @@
+/*
+ * OMAP4 CM module functions
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <asm/atomic.h>
+
+#include "cm.h"
+#include "cm-regbits-4xxx.h"
+
+/* XXX move this to cm.h */
+/* MAX_MODULE_READY_TIME: max milliseconds for module to leave idle */
+#define MAX_MODULE_READY_TIME 20000
+
+/*
+ * OMAP4_PRCM_CM_CLKCTRL_IDLEST_MASK: isolates the IDLEST field in the
+ * CM_CLKCTRL register.
+ */
+#define OMAP4_PRCM_CM_CLKCTRL_IDLEST_MASK (0x2 << 16)
+
+/*
+ * OMAP4 prcm_mod u32 fields contain packed data: the CM ID in bit 16 and
+ * the PRCM module offset address (from the CM module base) in bits 15-0.
+ */
+#define OMAP4_PRCM_MOD_CM_ID_SHIFT 16
+#define OMAP4_PRCM_MOD_OFFS_MASK 0xffff
+
+/**
+ * omap4_cm_wait_idlest_ready - wait for a module to leave idle or standby
+ * @prcm_mod: PRCM module offset (XXX example)
+ * @prcm_dev_offs: PRCM device offset (e.g. MCASP XXX example)
+ *
+ * XXX document
+ */
+int omap4_cm_wait_idlest_ready(u32 prcm_mod, u8 prcm_dev_offs)
+{
+ int i = 0;
+ u8 cm_id;
+ u16 prcm_mod_offs;
+ u32 mask = OMAP4_PRCM_CM_CLKCTRL_IDLEST_MASK;
+
+ cm_id = prcm_mod >> OMAP4_PRCM_MOD_CM_ID_SHIFT;
+ prcm_mod_offs = prcm_mod & OMAP4_PRCM_MOD_OFFS_MASK;
+
+ while (((omap4_cm_read_mod_reg(cm_id, prcm_mod_offs, prcm_dev_offs,
+ OMAP4_CM_CLKCTRL_DREG) & mask) != 0) &&
+ (i++ < MAX_MODULE_READY_TIME))
+ udelay(1);
+
+ return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
+}
+
--
GitLab
From b3c6df3ab2b17cd7ddf927d39a64f235b25ac8d4 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 3 Sep 2009 20:14:02 +0300
Subject: [PATCH 475/742] OMAP2/3 board-*.c files: read bootloader
configuration earlier
Most board-*.c files read configuration data from the bootloader in
their .init_machine() function. This needs to happen earlier, at some
point before omap2_init_common_hw() is called. This is because a
future patch will use the bootloader serial console port information
to enable the UART clocks earlier, immediately after omap2_clk_init().
This is in turn necessary since otherwise clock tree usecounts on
clocks like dpll4_m2x2_ck will be bogus, which can cause the
currently-active console UART clock to be disabled during boot.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/mach-omap2/board-2430sdp.c | 13 ++++++------
arch/arm/mach-omap2/board-3430sdp.c | 18 ++++++++--------
arch/arm/mach-omap2/board-apollon.c | 20 +++++++++---------
arch/arm/mach-omap2/board-generic.c | 10 ++++-----
arch/arm/mach-omap2/board-h4.c | 20 +++++++++---------
arch/arm/mach-omap2/board-ldp.c | 20 +++++++++---------
arch/arm/mach-omap2/board-omap3beagle.c | 26 ++++++++++++------------
arch/arm/mach-omap2/board-omap3evm.c | 12 +++++------
arch/arm/mach-omap2/board-omap3pandora.c | 20 +++++++++---------
arch/arm/mach-omap2/board-overo.c | 20 +++++++++---------
arch/arm/mach-omap2/board-rx51.c | 4 ++--
arch/arm/mach-omap2/board-zoom2.c | 18 ++++++++--------
arch/arm/mach-omap2/io.c | 2 ++
arch/arm/mach-omap2/serial.c | 14 ++++++++++++-
arch/arm/plat-omap/include/mach/serial.h | 3 +++
15 files changed, 118 insertions(+), 102 deletions(-)
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 7f5a74d59243..42217b32f835 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -139,18 +139,19 @@ static inline void board_smc91x_init(void)
#endif
+static struct omap_board_config_kernel sdp2430_config[] = {
+ {OMAP_TAG_LCD, &sdp2430_lcd_config},
+};
+
static void __init omap_2430sdp_init_irq(void)
{
+ omap_board_config = sdp2430_config;
+ omap_board_config_size = ARRAY_SIZE(sdp2430_config);
omap2_init_common_hw(NULL, NULL);
omap_init_irq();
omap_gpio_init();
}
-static struct omap_board_config_kernel sdp2430_config[] = {
- {OMAP_TAG_LCD, &sdp2430_lcd_config},
-};
-
-
static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
@@ -200,8 +201,6 @@ static void __init omap_2430sdp_init(void)
omap2430_i2c_init();
platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
- omap_board_config = sdp2430_config;
- omap_board_config_size = ARRAY_SIZE(sdp2430_config);
omap_serial_init();
twl4030_mmc_init(mmc);
usb_musb_init();
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 7e9b76cc7675..4500e7f674d7 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -167,13 +167,6 @@ static struct platform_device *sdp3430_devices[] __initdata = {
&sdp3430_lcd_device,
};
-static void __init omap_3430sdp_init_irq(void)
-{
- omap2_init_common_hw(hyb18m512160af6_sdrc_params, NULL);
- omap_init_irq();
- omap_gpio_init();
-}
-
static struct omap_lcd_config sdp3430_lcd_config __initdata = {
.ctrl_name = "internal",
};
@@ -182,6 +175,15 @@ static struct omap_board_config_kernel sdp3430_config[] __initdata = {
{ OMAP_TAG_LCD, &sdp3430_lcd_config },
};
+static void __init omap_3430sdp_init_irq(void)
+{
+ omap_board_config = sdp3430_config;
+ omap_board_config_size = ARRAY_SIZE(sdp3430_config);
+ omap2_init_common_hw(hyb18m512160af6_sdrc_params, NULL);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
static int sdp3430_batt_table[] = {
/* 0 C*/
30800, 29500, 28300, 27100,
@@ -477,8 +479,6 @@ static void __init omap_3430sdp_init(void)
{
omap3430_i2c_init();
platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
- omap_board_config = sdp3430_config;
- omap_board_config_size = ARRAY_SIZE(sdp3430_config);
if (omap_rev() > OMAP3430_REV_ES1_0)
ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2;
else
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index 615f21d1eb23..7a2b54c7291a 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -248,14 +248,6 @@ out:
clk_put(gpmc_fck);
}
-static void __init omap_apollon_init_irq(void)
-{
- omap2_init_common_hw(NULL, NULL);
- omap_init_irq();
- omap_gpio_init();
- apollon_init_smc91x();
-}
-
static struct omap_usb_config apollon_usb_config __initdata = {
.register_dev = 1,
.hmc_mode = 0x14, /* 0:dev 1:host1 2:disable */
@@ -271,6 +263,16 @@ static struct omap_board_config_kernel apollon_config[] = {
{ OMAP_TAG_LCD, &apollon_lcd_config },
};
+static void __init omap_apollon_init_irq(void)
+{
+ omap_board_config = apollon_config;
+ omap_board_config_size = ARRAY_SIZE(apollon_config);
+ omap2_init_common_hw(NULL, NULL);
+ omap_init_irq();
+ omap_gpio_init();
+ apollon_init_smc91x();
+}
+
static void __init apollon_led_init(void)
{
/* LED0 - AA10 */
@@ -319,8 +321,6 @@ static void __init omap_apollon_init(void)
* if not needed.
*/
platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
- omap_board_config = apollon_config;
- omap_board_config_size = ARRAY_SIZE(apollon_config);
omap_serial_init();
}
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 3e401c5b6e41..2e09a1c444cb 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -31,19 +31,19 @@
#include <mach/board.h>
#include <mach/common.h>
+static struct omap_board_config_kernel generic_config[] = {
+};
+
static void __init omap_generic_init_irq(void)
{
+ omap_board_config = generic_config;
+ omap_board_config_size = ARRAY_SIZE(generic_config);
omap2_init_common_hw(NULL, NULL);
omap_init_irq();
}
-static struct omap_board_config_kernel generic_config[] = {
-};
-
static void __init omap_generic_init(void)
{
- omap_board_config = generic_config;
- omap_board_config_size = ARRAY_SIZE(generic_config);
omap_serial_init();
}
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index b6501d241c10..eaa02d012c5c 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -268,14 +268,6 @@ static void __init h4_init_flash(void)
h4_flash_resource.end = base + SZ_64M - 1;
}
-static void __init omap_h4_init_irq(void)
-{
- omap2_init_common_hw(NULL, NULL);
- omap_init_irq();
- omap_gpio_init();
- h4_init_flash();
-}
-
static struct omap_lcd_config h4_lcd_config __initdata = {
.ctrl_name = "internal",
};
@@ -317,6 +309,16 @@ static struct omap_board_config_kernel h4_config[] = {
{ OMAP_TAG_LCD, &h4_lcd_config },
};
+static void __init omap_h4_init_irq(void)
+{
+ omap_board_config = h4_config;
+ omap_board_config_size = ARRAY_SIZE(h4_config);
+ omap2_init_common_hw(NULL, NULL);
+ omap_init_irq();
+ omap_gpio_init();
+ h4_init_flash();
+}
+
static struct at24_platform_data m24c01 = {
.byte_len = SZ_1K / 8,
.page_size = 16,
@@ -361,8 +363,6 @@ static void __init omap_h4_init(void)
ARRAY_SIZE(h4_i2c_board_info));
platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
- omap_board_config = h4_config;
- omap_board_config_size = ARRAY_SIZE(h4_config);
omap_usb_init(&h4_usb_config);
omap_serial_init();
}
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 2dd6806a1e8e..ec6854cbdd9f 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -268,14 +268,6 @@ static inline void __init ldp_init_smsc911x(void)
gpio_direction_input(eth_gpio);
}
-static void __init omap_ldp_init_irq(void)
-{
- omap2_init_common_hw(NULL, NULL);
- omap_init_irq();
- omap_gpio_init();
- ldp_init_smsc911x();
-}
-
static struct platform_device ldp_lcd_device = {
.name = "ldp_lcd",
.id = -1,
@@ -289,6 +281,16 @@ static struct omap_board_config_kernel ldp_config[] __initdata = {
{ OMAP_TAG_LCD, &ldp_lcd_config },
};
+static void __init omap_ldp_init_irq(void)
+{
+ omap_board_config = ldp_config;
+ omap_board_config_size = ARRAY_SIZE(ldp_config);
+ omap2_init_common_hw(NULL, NULL);
+ omap_init_irq();
+ omap_gpio_init();
+ ldp_init_smsc911x();
+}
+
static struct twl4030_usb_data ldp_usb_data = {
.usb_mode = T2_USB_MODE_ULPI,
};
@@ -372,8 +374,6 @@ static void __init omap_ldp_init(void)
{
omap_i2c_init();
platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
- omap_board_config = ldp_config;
- omap_board_config_size = ARRAY_SIZE(ldp_config);
ts_gpio = 54;
ldp_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
spi_register_board_info(ldp_spi_board_info,
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index d79ea8da6270..500c9956876d 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -281,17 +281,6 @@ static int __init omap3_beagle_i2c_init(void)
return 0;
}
-static void __init omap3_beagle_init_irq(void)
-{
- omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
- mt46h32m32lf6_sdrc_params);
- omap_init_irq();
-#ifdef CONFIG_OMAP_32K_TIMER
- omap2_gp_clockevent_set_gptimer(12);
-#endif
- omap_gpio_init();
-}
-
static struct gpio_led gpio_leds[] = {
{
.name = "beagleboard::usr0",
@@ -349,6 +338,19 @@ static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
{ OMAP_TAG_LCD, &omap3_beagle_lcd_config },
};
+static void __init omap3_beagle_init_irq(void)
+{
+ omap_board_config = omap3_beagle_config;
+ omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
+ omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
+ mt46h32m32lf6_sdrc_params);
+ omap_init_irq();
+#ifdef CONFIG_OMAP_32K_TIMER
+ omap2_gp_clockevent_set_gptimer(12);
+#endif
+ omap_gpio_init();
+}
+
static struct platform_device *omap3_beagle_devices[] __initdata = {
&omap3_beagle_lcd_device,
&leds_gpio,
@@ -398,8 +400,6 @@ static void __init omap3_beagle_init(void)
omap3_beagle_i2c_init();
platform_add_devices(omap3_beagle_devices,
ARRAY_SIZE(omap3_beagle_devices));
- omap_board_config = omap3_beagle_config;
- omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
omap_serial_init();
omap_cfg_reg(J25_34XX_GPIO170);
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 3e0435371ce6..d50b9be90580 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -274,18 +274,20 @@ struct spi_board_info omap3evm_spi_board_info[] = {
},
};
+static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
+ { OMAP_TAG_LCD, &omap3_evm_lcd_config },
+};
+
static void __init omap3_evm_init_irq(void)
{
+ omap_board_config = omap3_evm_config;
+ omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
omap_init_irq();
omap_gpio_init();
omap3evm_init_smc911x();
}
-static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
- { OMAP_TAG_LCD, &omap3_evm_lcd_config },
-};
-
static struct platform_device *omap3_evm_devices[] __initdata = {
&omap3_evm_lcd_device,
&omap3evm_smc911x_device,
@@ -296,8 +298,6 @@ static void __init omap3_evm_init(void)
omap3_evm_i2c_init();
platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
- omap_board_config = omap3_evm_config;
- omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
spi_register_board_info(omap3evm_spi_board_info,
ARRAY_SIZE(omap3evm_spi_board_info));
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 8236708c3627..b43f6e36b6d9 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -305,14 +305,6 @@ static int __init omap3pandora_i2c_init(void)
return 0;
}
-static void __init omap3pandora_init_irq(void)
-{
- omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
- mt46h32m32lf6_sdrc_params);
- omap_init_irq();
- omap_gpio_init();
-}
-
static void __init omap3pandora_ads7846_init(void)
{
int gpio = OMAP3_PANDORA_TS_GPIO;
@@ -375,6 +367,16 @@ static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
{ OMAP_TAG_LCD, &omap3pandora_lcd_config },
};
+static void __init omap3pandora_init_irq(void)
+{
+ omap_board_config = omap3pandora_config;
+ omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
+ omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
+ mt46h32m32lf6_sdrc_params);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
static struct platform_device *omap3pandora_devices[] __initdata = {
&omap3pandora_lcd_device,
&pandora_leds_gpio,
@@ -386,8 +388,6 @@ static void __init omap3pandora_init(void)
omap3pandora_i2c_init();
platform_add_devices(omap3pandora_devices,
ARRAY_SIZE(omap3pandora_devices));
- omap_board_config = omap3pandora_config;
- omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
omap_serial_init();
spi_register_board_info(omap3pandora_spi_board_info,
ARRAY_SIZE(omap3pandora_spi_board_info));
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index eb78e6eab4f4..9917d2fddc2f 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -357,14 +357,6 @@ static int __init overo_i2c_init(void)
return 0;
}
-static void __init overo_init_irq(void)
-{
- omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
- mt46h32m32lf6_sdrc_params);
- omap_init_irq();
- omap_gpio_init();
-}
-
static struct platform_device overo_lcd_device = {
.name = "overo_lcd",
.id = -1,
@@ -378,6 +370,16 @@ static struct omap_board_config_kernel overo_config[] __initdata = {
{ OMAP_TAG_LCD, &overo_lcd_config },
};
+static void __init overo_init_irq(void)
+{
+ omap_board_config = overo_config;
+ omap_board_config_size = ARRAY_SIZE(overo_config);
+ omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
+ mt46h32m32lf6_sdrc_params);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
static struct platform_device *overo_devices[] __initdata = {
&overo_lcd_device,
};
@@ -386,8 +388,6 @@ static void __init overo_init(void)
{
overo_i2c_init();
platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices));
- omap_board_config = overo_config;
- omap_board_config_size = ARRAY_SIZE(overo_config);
omap_serial_init();
overo_flash_init();
usb_musb_init();
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index c0d13401425f..f9196c3b1a7b 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -56,6 +56,8 @@ static struct omap_board_config_kernel rx51_config[] = {
static void __init rx51_init_irq(void)
{
+ omap_board_config = rx51_config;
+ omap_board_config_size = ARRAY_SIZE(rx51_config);
omap2_init_common_hw(NULL, NULL);
omap_init_irq();
omap_gpio_init();
@@ -65,8 +67,6 @@ extern void __init rx51_peripherals_init(void);
static void __init rx51_init(void)
{
- omap_board_config = rx51_config;
- omap_board_config_size = ARRAY_SIZE(rx51_config);
omap_serial_init();
usb_musb_init();
rx51_peripherals_init();
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
index dabba2720a9b..324009edbd53 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -90,13 +90,6 @@ static struct twl4030_keypad_data zoom2_kp_twl4030_data = {
.rep = 1,
};
-static void __init omap_zoom2_init_irq(void)
-{
- omap2_init_common_hw(NULL, NULL);
- omap_init_irq();
- omap_gpio_init();
-}
-
static struct omap_board_config_kernel zoom2_config[] __initdata = {
};
@@ -212,6 +205,15 @@ static struct twl4030_usb_data zoom2_usb_data = {
.usb_mode = T2_USB_MODE_ULPI,
};
+static void __init omap_zoom2_init_irq(void)
+{
+ omap_board_config = zoom2_config;
+ omap_board_config_size = ARRAY_SIZE(zoom2_config);
+ omap2_init_common_hw(NULL, NULL);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
static struct twl4030_gpio_platform_data zoom2_gpio_data = {
.gpio_base = OMAP_MAX_GPIO_LINES,
.irq_base = TWL4030_GPIO_IRQ_BASE,
@@ -262,8 +264,6 @@ extern int __init omap_zoom2_debugboard_init(void);
static void __init omap_zoom2_init(void)
{
omap_i2c_init();
- omap_board_config = zoom2_config;
- omap_board_config_size = ARRAY_SIZE(zoom2_config);
omap_serial_init();
omap_zoom2_debugboard_init();
usb_musb_init();
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 4bfe873e1b83..470b1d10c4e5 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -32,6 +32,7 @@
#include <mach/sram.h>
#include <mach/sdrc.h>
#include <mach/gpmc.h>
+#include <mach/serial.h>
#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdev is ready */
#include "clock.h"
@@ -287,6 +288,7 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
pwrdm_init(powerdomains_omap);
clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
omap2_clk_init();
+ omap_serial_early_init();
omap_pm_if_init();
omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
_omap2_init_reprogram_sdrc();
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index dd3c735b5588..ca28424f2fbd 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -552,7 +552,7 @@ static struct omap_uart_state omap_uart[OMAP_MAX_NR_PORTS] = {
},
};
-void __init omap_serial_init(void)
+void __init omap_serial_early_init(void)
{
int i;
char name[16];
@@ -595,6 +595,18 @@ void __init omap_serial_init(void)
p->irq += 32;
omap_uart_enable_clocks(uart);
+ }
+}
+
+void __init omap_serial_init(void)
+{
+ int i;
+
+ for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
+ struct omap_uart_state *uart = &omap_uart[i];
+ struct platform_device *pdev = &uart->pdev;
+ struct device *dev = &pdev->dev;
+
omap_uart_reset(uart);
omap_uart_idle_init(uart);
diff --git a/arch/arm/plat-omap/include/mach/serial.h b/arch/arm/plat-omap/include/mach/serial.h
index def0529c75eb..e249186d26e2 100644
--- a/arch/arm/plat-omap/include/mach/serial.h
+++ b/arch/arm/plat-omap/include/mach/serial.h
@@ -13,6 +13,8 @@
#ifndef __ASM_ARCH_SERIAL_H
#define __ASM_ARCH_SERIAL_H
+#include <linux/init.h>
+
#if defined(CONFIG_ARCH_OMAP1)
/* OMAP1 serial ports */
#define OMAP_UART1_BASE 0xfffb0000
@@ -53,6 +55,7 @@
})
#ifndef __ASSEMBLER__
+extern void __init omap_serial_early_init(void);
extern void omap_serial_init(void);
extern int omap_uart_can_sleep(void);
extern void omap_uart_check_wakeup(void);
--
GitLab
From 63c852384125ca0eff0e695f92cbbd439bed4aa3 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 3 Sep 2009 20:14:03 +0300
Subject: [PATCH 476/742] OMAP2/3/4: create omap_hwmod layer
OMAP SoCs can be considered a collection of hardware IP blocks
connected by various interconnects. The bus topology and device
integration data is somewhat more complex than platform_device can
encode. This patch creates code and structures to manage information
about OMAP on-chip devices ("hardware modules") and their integration
to the rest of the chip. Hardware module data is intended to be
generated dynamically from the TI hardware database for the OMAP4
chips and beyond, easing Linux support for new chip variants.
This code currently:
- resets and configures all hardware modules upon startup, reducing bootloader
dependencies;
- provides hooks for Linux driver model code to enable, idle, and shutdown
hardware modules (forthcoming patch);
- waits for hardware modules to leave idle once their clocks
are enabled and OCP_SYSCONFIG bits are set appropriately.
- provides a means to pass arbitrary IP block configuration data (e.g.,
FIFO size) to the device driver (via the dev_attr void pointer)
In the future this code is intended to:
- estimate interconnect bandwidth and latency characteristics to
ensure constraints are satisfied during DVFS
- provide *GRPSEL bit data to the powerdomain code
- handle pin/ball muxing for devices
- generate IO mapping information dynamically
- supply device firewall configuration data
- provide hardware module data to other on-chip coprocessor software
- allow the removal of the "disable unused clocks" code in the OMAP2/3
clock code
This patch represents a collaborative effort involving many people from TI,
Nokia, and the Linux-OMAP community.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Vikram Pandita <vikram.pandita@ti.com>
Cc: Sakari Poussa <sakari.poussa@nokia.com>
Cc: Anand Sawant <sawant@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Eric Thomas <ethomas@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
---
arch/arm/mach-omap2/Makefile | 2 +-
arch/arm/mach-omap2/omap_hwmod.c | 1555 ++++++++++++++++++
arch/arm/plat-omap/include/mach/omap_hwmod.h | 447 +++++
3 files changed, 2003 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/mach-omap2/omap_hwmod.c
create mode 100644 arch/arm/plat-omap/include/mach/omap_hwmod.h
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 59d730fa77e5..8cb16777661a 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -5,7 +5,7 @@
# Common support
obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o
-omap-2-3-common = irq.o sdrc.o
+omap-2-3-common = irq.o sdrc.o omap_hwmod.o
prcm-common = prcm.o powerdomain.o
clock-common = clock.o clockdomain.o
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
new file mode 100644
index 000000000000..3b10ad6c47d3
--- /dev/null
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -0,0 +1,1555 @@
+/*
+ * omap_hwmod implementation for OMAP2/3/4
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ * With fixes and testing from Kevin Hilman
+ *
+ * Created in collaboration with (alphabetical order): Benoit Cousson,
+ * Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram Pandita, Sakari
+ * Poussa, Anand Sawant, Santosh Shilimkar, Richard Woodruff
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This code manages "OMAP modules" (on-chip devices) and their
+ * integration with Linux device driver and bus code.
+ *
+ * References:
+ * - OMAP2420 Multimedia Processor Silicon Revision 2.1.1, 2.2 (SWPU064)
+ * - OMAP2430 Multimedia Device POP Silicon Revision 2.1 (SWPU090)
+ * - OMAP34xx Multimedia Device Silicon Revision 3.1 (SWPU108)
+ * - OMAP4430 Multimedia Device Silicon Revision 1.0 (SWPU140)
+ * - Open Core Protocol Specification 2.2
+ *
+ * To do:
+ * - pin mux handling
+ * - handle IO mapping
+ * - bus throughput & module latency measurement code
+ *
+ * XXX add tests at the beginning of each function to ensure the hwmod is
+ * in the appropriate state
+ * XXX error return values should be checked to ensure that they are
+ * appropriate
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/bootmem.h>
+
+#include <mach/cpu.h>
+#include <mach/clockdomain.h>
+#include <mach/powerdomain.h>
+#include <mach/clock.h>
+#include <mach/omap_hwmod.h>
+
+#include "cm.h"
+
+/* Maximum microseconds to wait for OMAP module to reset */
+#define MAX_MODULE_RESET_WAIT 10000
+
+/* Name of the OMAP hwmod for the MPU */
+#define MPU_INITIATOR_NAME "mpu_hwmod"
+
+/* omap_hwmod_list contains all registered struct omap_hwmods */
+static LIST_HEAD(omap_hwmod_list);
+
+static DEFINE_MUTEX(omap_hwmod_mutex);
+
+/* mpu_oh: used to add/remove MPU initiator from sleepdep list */
+static struct omap_hwmod *mpu_oh;
+
+/* inited: 0 if omap_hwmod_init() has not yet been called; 1 otherwise */
+static u8 inited;
+
+
+/* Private functions */
+
+/**
+ * _update_sysc_cache - return the module OCP_SYSCONFIG register, keep copy
+ * @oh: struct omap_hwmod *
+ *
+ * Load the current value of the hwmod OCP_SYSCONFIG register into the
+ * struct omap_hwmod for later use. Returns -EINVAL if the hwmod has no
+ * OCP_SYSCONFIG register or 0 upon success.
+ */
+static int _update_sysc_cache(struct omap_hwmod *oh)
+{
+ if (!oh->sysconfig) {
+ WARN(!oh->sysconfig, "omap_hwmod: %s: cannot read "
+ "OCP_SYSCONFIG: not defined on hwmod\n", oh->name);
+ return -EINVAL;
+ }
+
+ /* XXX ensure module interface clock is up */
+
+ oh->_sysc_cache = omap_hwmod_readl(oh, oh->sysconfig->sysc_offs);
+
+ oh->_int_flags |= _HWMOD_SYSCONFIG_LOADED;
+
+ return 0;
+}
+
+/**
+ * _write_sysconfig - write a value to the module's OCP_SYSCONFIG register
+ * @v: OCP_SYSCONFIG value to write
+ * @oh: struct omap_hwmod *
+ *
+ * Write @v into the module OCP_SYSCONFIG register, if it has one. No
+ * return value.
+ */
+static void _write_sysconfig(u32 v, struct omap_hwmod *oh)
+{
+ if (!oh->sysconfig) {
+ WARN(!oh->sysconfig, "omap_hwmod: %s: cannot write "
+ "OCP_SYSCONFIG: not defined on hwmod\n", oh->name);
+ return;
+ }
+
+ /* XXX ensure module interface clock is up */
+
+ if (oh->_sysc_cache != v) {
+ oh->_sysc_cache = v;
+ omap_hwmod_writel(v, oh, oh->sysconfig->sysc_offs);
+ }
+}
+
+/**
+ * _set_master_standbymode: set the OCP_SYSCONFIG MIDLEMODE field in @v
+ * @oh: struct omap_hwmod *
+ * @standbymode: MIDLEMODE field bits
+ * @v: pointer to register contents to modify
+ *
+ * Update the master standby mode bits in @v to be @standbymode for
+ * the @oh hwmod. Does not write to the hardware. Returns -EINVAL
+ * upon error or 0 upon success.
+ */
+static int _set_master_standbymode(struct omap_hwmod *oh, u8 standbymode,
+ u32 *v)
+{
+ if (!oh->sysconfig ||
+ !(oh->sysconfig->sysc_flags & SYSC_HAS_MIDLEMODE))
+ return -EINVAL;
+
+ *v &= ~SYSC_MIDLEMODE_MASK;
+ *v |= __ffs(standbymode) << SYSC_MIDLEMODE_SHIFT;
+
+ return 0;
+}
+
+/**
+ * _set_slave_idlemode: set the OCP_SYSCONFIG SIDLEMODE field in @v
+ * @oh: struct omap_hwmod *
+ * @idlemode: SIDLEMODE field bits
+ * @v: pointer to register contents to modify
+ *
+ * Update the slave idle mode bits in @v to be @idlemode for the @oh
+ * hwmod. Does not write to the hardware. Returns -EINVAL upon error
+ * or 0 upon success.
+ */
+static int _set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode, u32 *v)
+{
+ if (!oh->sysconfig ||
+ !(oh->sysconfig->sysc_flags & SYSC_HAS_SIDLEMODE))
+ return -EINVAL;
+
+ *v &= ~SYSC_SIDLEMODE_MASK;
+ *v |= __ffs(idlemode) << SYSC_SIDLEMODE_SHIFT;
+
+ return 0;
+}
+
+/**
+ * _set_clockactivity: set OCP_SYSCONFIG.CLOCKACTIVITY bits in @v
+ * @oh: struct omap_hwmod *
+ * @clockact: CLOCKACTIVITY field bits
+ * @v: pointer to register contents to modify
+ *
+ * Update the clockactivity mode bits in @v to be @clockact for the
+ * @oh hwmod. Used for additional powersaving on some modules. Does
+ * not write to the hardware. Returns -EINVAL upon error or 0 upon
+ * success.
+ */
+static int _set_clockactivity(struct omap_hwmod *oh, u8 clockact, u32 *v)
+{
+ if (!oh->sysconfig ||
+ !(oh->sysconfig->sysc_flags & SYSC_HAS_CLOCKACTIVITY))
+ return -EINVAL;
+
+ *v &= ~SYSC_CLOCKACTIVITY_MASK;
+ *v |= clockact << SYSC_CLOCKACTIVITY_SHIFT;
+
+ return 0;
+}
+
+/**
+ * _set_softreset: set OCP_SYSCONFIG.CLOCKACTIVITY bits in @v
+ * @oh: struct omap_hwmod *
+ * @v: pointer to register contents to modify
+ *
+ * Set the SOFTRESET bit in @v for hwmod @oh. Returns -EINVAL upon
+ * error or 0 upon success.
+ */
+static int _set_softreset(struct omap_hwmod *oh, u32 *v)
+{
+ if (!oh->sysconfig ||
+ !(oh->sysconfig->sysc_flags & SYSC_HAS_SOFTRESET))
+ return -EINVAL;
+
+ *v |= SYSC_SOFTRESET_MASK;
+
+ return 0;
+}
+
+/**
+ * _enable_wakeup: set OCP_SYSCONFIG.ENAWAKEUP bit in the hardware
+ * @oh: struct omap_hwmod *
+ *
+ * Allow the hardware module @oh to send wakeups. Returns -EINVAL
+ * upon error or 0 upon success.
+ */
+static int _enable_wakeup(struct omap_hwmod *oh)
+{
+ u32 v;
+
+ if (!oh->sysconfig ||
+ !(oh->sysconfig->sysc_flags & SYSC_HAS_ENAWAKEUP))
+ return -EINVAL;
+
+ v = oh->_sysc_cache;
+ v |= SYSC_ENAWAKEUP_MASK;
+ _write_sysconfig(v, oh);
+
+ /* XXX test pwrdm_get_wken for this hwmod's subsystem */
+
+ oh->_int_flags |= _HWMOD_WAKEUP_ENABLED;
+
+ return 0;
+}
+
+/**
+ * _disable_wakeup: clear OCP_SYSCONFIG.ENAWAKEUP bit in the hardware
+ * @oh: struct omap_hwmod *
+ *
+ * Prevent the hardware module @oh to send wakeups. Returns -EINVAL
+ * upon error or 0 upon success.
+ */
+static int _disable_wakeup(struct omap_hwmod *oh)
+{
+ u32 v;
+
+ if (!oh->sysconfig ||
+ !(oh->sysconfig->sysc_flags & SYSC_HAS_ENAWAKEUP))
+ return -EINVAL;
+
+ v = oh->_sysc_cache;
+ v &= ~SYSC_ENAWAKEUP_MASK;
+ _write_sysconfig(v, oh);
+
+ /* XXX test pwrdm_get_wken for this hwmod's subsystem */
+
+ oh->_int_flags &= ~_HWMOD_WAKEUP_ENABLED;
+
+ return 0;
+}
+
+/**
+ * _add_initiator_dep: prevent @oh from smart-idling while @init_oh is active
+ * @oh: struct omap_hwmod *
+ *
+ * Prevent the hardware module @oh from entering idle while the
+ * hardare module initiator @init_oh is active. Useful when a module
+ * will be accessed by a particular initiator (e.g., if a module will
+ * be accessed by the IVA, there should be a sleepdep between the IVA
+ * initiator and the module). Only applies to modules in smart-idle
+ * mode. Returns -EINVAL upon error or passes along
+ * pwrdm_add_sleepdep() value upon success.
+ */
+static int _add_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh)
+{
+ if (!oh->_clk)
+ return -EINVAL;
+
+ return pwrdm_add_sleepdep(oh->_clk->clkdm->pwrdm.ptr,
+ init_oh->_clk->clkdm->pwrdm.ptr);
+}
+
+/**
+ * _del_initiator_dep: allow @oh to smart-idle even if @init_oh is active
+ * @oh: struct omap_hwmod *
+ *
+ * Allow the hardware module @oh to enter idle while the hardare
+ * module initiator @init_oh is active. Useful when a module will not
+ * be accessed by a particular initiator (e.g., if a module will not
+ * be accessed by the IVA, there should be no sleepdep between the IVA
+ * initiator and the module). Only applies to modules in smart-idle
+ * mode. Returns -EINVAL upon error or passes along
+ * pwrdm_add_sleepdep() value upon success.
+ */
+static int _del_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh)
+{
+ if (!oh->_clk)
+ return -EINVAL;
+
+ return pwrdm_del_sleepdep(oh->_clk->clkdm->pwrdm.ptr,
+ init_oh->_clk->clkdm->pwrdm.ptr);
+}
+
+/**
+ * _init_main_clk - get a struct clk * for the the hwmod's main functional clk
+ * @oh: struct omap_hwmod *
+ *
+ * Called from _init_clocks(). Populates the @oh _clk (main
+ * functional clock pointer) if a main_clk is present. Returns 0 on
+ * success or -EINVAL on error.
+ */
+static int _init_main_clk(struct omap_hwmod *oh)
+{
+ struct clk *c;
+ int ret = 0;
+
+ if (!oh->clkdev_con_id)
+ return 0;
+
+ c = clk_get_sys(oh->clkdev_dev_id, oh->clkdev_con_id);
+ WARN(IS_ERR(c), "omap_hwmod: %s: cannot clk_get main_clk %s.%s\n",
+ oh->name, oh->clkdev_dev_id, oh->clkdev_con_id);
+ if (IS_ERR(c))
+ ret = -EINVAL;
+ oh->_clk = c;
+
+ return ret;
+}
+
+/**
+ * _init_interface_clk - get a struct clk * for the the hwmod's interface clks
+ * @oh: struct omap_hwmod *
+ *
+ * Called from _init_clocks(). Populates the @oh OCP slave interface
+ * clock pointers. Returns 0 on success or -EINVAL on error.
+ */
+static int _init_interface_clks(struct omap_hwmod *oh)
+{
+ struct omap_hwmod_ocp_if *os;
+ struct clk *c;
+ int i;
+ int ret = 0;
+
+ if (oh->slaves_cnt == 0)
+ return 0;
+
+ for (i = 0, os = *oh->slaves; i < oh->slaves_cnt; i++, os++) {
+ if (!os->clkdev_con_id)
+ continue;
+
+ c = clk_get_sys(os->clkdev_dev_id, os->clkdev_con_id);
+ WARN(IS_ERR(c), "omap_hwmod: %s: cannot clk_get "
+ "interface_clk %s.%s\n", oh->name,
+ os->clkdev_dev_id, os->clkdev_con_id);
+ if (IS_ERR(c))
+ ret = -EINVAL;
+ os->_clk = c;
+ }
+
+ return ret;
+}
+
+/**
+ * _init_opt_clk - get a struct clk * for the the hwmod's optional clocks
+ * @oh: struct omap_hwmod *
+ *
+ * Called from _init_clocks(). Populates the @oh omap_hwmod_opt_clk
+ * clock pointers. Returns 0 on success or -EINVAL on error.
+ */
+static int _init_opt_clks(struct omap_hwmod *oh)
+{
+ struct omap_hwmod_opt_clk *oc;
+ struct clk *c;
+ int i;
+ int ret = 0;
+
+ for (i = oh->opt_clks_cnt, oc = oh->opt_clks; i > 0; i--, oc++) {
+ c = clk_get_sys(oc->clkdev_dev_id, oc->clkdev_con_id);
+ WARN(IS_ERR(c), "omap_hwmod: %s: cannot clk_get opt_clk "
+ "%s.%s\n", oh->name, oc->clkdev_dev_id,
+ oc->clkdev_con_id);
+ if (IS_ERR(c))
+ ret = -EINVAL;
+ oc->_clk = c;
+ }
+
+ return ret;
+}
+
+/**
+ * _enable_clocks - enable hwmod main clock and interface clocks
+ * @oh: struct omap_hwmod *
+ *
+ * Enables all clocks necessary for register reads and writes to succeed
+ * on the hwmod @oh. Returns 0.
+ */
+static int _enable_clocks(struct omap_hwmod *oh)
+{
+ struct omap_hwmod_ocp_if *os;
+ int i;
+
+ pr_debug("omap_hwmod: %s: enabling clocks\n", oh->name);
+
+ if (oh->_clk && !IS_ERR(oh->_clk))
+ clk_enable(oh->_clk);
+
+ if (oh->slaves_cnt > 0) {
+ for (i = 0, os = *oh->slaves; i < oh->slaves_cnt; i++, os++) {
+ struct clk *c = os->_clk;
+
+ if (c && !IS_ERR(c) && (os->flags & OCPIF_SWSUP_IDLE))
+ clk_enable(c);
+ }
+ }
+
+ /* The opt clocks are controlled by the device driver. */
+
+ return 0;
+}
+
+/**
+ * _disable_clocks - disable hwmod main clock and interface clocks
+ * @oh: struct omap_hwmod *
+ *
+ * Disables the hwmod @oh main functional and interface clocks. Returns 0.
+ */
+static int _disable_clocks(struct omap_hwmod *oh)
+{
+ struct omap_hwmod_ocp_if *os;
+ int i;
+
+ pr_debug("omap_hwmod: %s: disabling clocks\n", oh->name);
+
+ if (oh->_clk && !IS_ERR(oh->_clk))
+ clk_disable(oh->_clk);
+
+ if (oh->slaves_cnt > 0) {
+ for (i = 0, os = *oh->slaves; i < oh->slaves_cnt; i++, os++) {
+ struct clk *c = os->_clk;
+
+ if (c && !IS_ERR(c) && (os->flags & OCPIF_SWSUP_IDLE))
+ clk_disable(c);
+ }
+ }
+
+ /* The opt clocks are controlled by the device driver. */
+
+ return 0;
+}
+
+/**
+ * _find_mpu_port_index - find hwmod OCP slave port ID intended for MPU use
+ * @oh: struct omap_hwmod *
+ *
+ * Returns the array index of the OCP slave port that the MPU
+ * addresses the device on, or -EINVAL upon error or not found.
+ */
+static int _find_mpu_port_index(struct omap_hwmod *oh)
+{
+ struct omap_hwmod_ocp_if *os;
+ int i;
+ int found = 0;
+
+ if (!oh || oh->slaves_cnt == 0)
+ return -EINVAL;
+
+ for (i = 0, os = *oh->slaves; i < oh->slaves_cnt; i++, os++) {
+ if (os->user & OCP_USER_MPU) {
+ found = 1;
+ break;
+ }
+ }
+
+ if (found)
+ pr_debug("omap_hwmod: %s: MPU OCP slave port ID %d\n",
+ oh->name, i);
+ else
+ pr_debug("omap_hwmod: %s: no MPU OCP slave port found\n",
+ oh->name);
+
+ return (found) ? i : -EINVAL;
+}
+
+/**
+ * _find_mpu_rt_base - find hwmod register target base addr accessible by MPU
+ * @oh: struct omap_hwmod *
+ *
+ * Return the virtual address of the base of the register target of
+ * device @oh, or NULL on error.
+ */
+static void __iomem *_find_mpu_rt_base(struct omap_hwmod *oh, u8 index)
+{
+ struct omap_hwmod_ocp_if *os;
+ struct omap_hwmod_addr_space *mem;
+ int i;
+ int found = 0;
+
+ if (!oh || oh->slaves_cnt == 0)
+ return NULL;
+
+ os = *oh->slaves + index;
+
+ for (i = 0, mem = os->addr; i < os->addr_cnt; i++, mem++) {
+ if (mem->flags & ADDR_TYPE_RT) {
+ found = 1;
+ break;
+ }
+ }
+
+ /* XXX use ioremap() instead? */
+
+ if (found)
+ pr_debug("omap_hwmod: %s: MPU register target at va %p\n",
+ oh->name, OMAP2_IO_ADDRESS(mem->pa_start));
+ else
+ pr_debug("omap_hwmod: %s: no MPU register target found\n",
+ oh->name);
+
+ return (found) ? OMAP2_IO_ADDRESS(mem->pa_start) : NULL;
+}
+
+/**
+ * _sysc_enable - try to bring a module out of idle via OCP_SYSCONFIG
+ * @oh: struct omap_hwmod *
+ *
+ * If module is marked as SWSUP_SIDLE, force the module out of slave
+ * idle; otherwise, configure it for smart-idle. If module is marked
+ * as SWSUP_MSUSPEND, force the module out of master standby;
+ * otherwise, configure it for smart-standby. No return value.
+ */
+static void _sysc_enable(struct omap_hwmod *oh)
+{
+ u8 idlemode;
+ u32 v;
+
+ if (!oh->sysconfig)
+ return;
+
+ v = oh->_sysc_cache;
+
+ if (oh->sysconfig->sysc_flags & SYSC_HAS_SIDLEMODE) {
+ idlemode = (oh->flags & HWMOD_SWSUP_SIDLE) ?
+ HWMOD_IDLEMODE_NO : HWMOD_IDLEMODE_SMART;
+ _set_slave_idlemode(oh, idlemode, &v);
+ }
+
+ if (oh->sysconfig->sysc_flags & SYSC_HAS_MIDLEMODE) {
+ idlemode = (oh->flags & HWMOD_SWSUP_MSTANDBY) ?
+ HWMOD_IDLEMODE_NO : HWMOD_IDLEMODE_SMART;
+ _set_master_standbymode(oh, idlemode, &v);
+ }
+
+ /* XXX OCP AUTOIDLE bit? */
+
+ if (oh->flags & HWMOD_SET_DEFAULT_CLOCKACT &&
+ oh->sysconfig->sysc_flags & SYSC_HAS_CLOCKACTIVITY)
+ _set_clockactivity(oh, oh->sysconfig->clockact, &v);
+
+ _write_sysconfig(v, oh);
+}
+
+/**
+ * _sysc_idle - try to put a module into idle via OCP_SYSCONFIG
+ * @oh: struct omap_hwmod *
+ *
+ * If module is marked as SWSUP_SIDLE, force the module into slave
+ * idle; otherwise, configure it for smart-idle. If module is marked
+ * as SWSUP_MSUSPEND, force the module into master standby; otherwise,
+ * configure it for smart-standby. No return value.
+ */
+static void _sysc_idle(struct omap_hwmod *oh)
+{
+ u8 idlemode;
+ u32 v;
+
+ if (!oh->sysconfig)
+ return;
+
+ v = oh->_sysc_cache;
+
+ if (oh->sysconfig->sysc_flags & SYSC_HAS_SIDLEMODE) {
+ idlemode = (oh->flags & HWMOD_SWSUP_SIDLE) ?
+ HWMOD_IDLEMODE_FORCE : HWMOD_IDLEMODE_SMART;
+ _set_slave_idlemode(oh, idlemode, &v);
+ }
+
+ if (oh->sysconfig->sysc_flags & SYSC_HAS_MIDLEMODE) {
+ idlemode = (oh->flags & HWMOD_SWSUP_MSTANDBY) ?
+ HWMOD_IDLEMODE_FORCE : HWMOD_IDLEMODE_SMART;
+ _set_master_standbymode(oh, idlemode, &v);
+ }
+
+ _write_sysconfig(v, oh);
+}
+
+/**
+ * _sysc_shutdown - force a module into idle via OCP_SYSCONFIG
+ * @oh: struct omap_hwmod *
+ *
+ * Force the module into slave idle and master suspend. No return
+ * value.
+ */
+static void _sysc_shutdown(struct omap_hwmod *oh)
+{
+ u32 v;
+
+ if (!oh->sysconfig)
+ return;
+
+ v = oh->_sysc_cache;
+
+ if (oh->sysconfig->sysc_flags & SYSC_HAS_SIDLEMODE)
+ _set_slave_idlemode(oh, HWMOD_IDLEMODE_FORCE, &v);
+
+ if (oh->sysconfig->sysc_flags & SYSC_HAS_MIDLEMODE)
+ _set_master_standbymode(oh, HWMOD_IDLEMODE_FORCE, &v);
+
+ /* XXX clear OCP AUTOIDLE bit? */
+
+ _write_sysconfig(v, oh);
+}
+
+/**
+ * _lookup - find an omap_hwmod by name
+ * @name: find an omap_hwmod by name
+ *
+ * Return a pointer to an omap_hwmod by name, or NULL if not found.
+ * Caller must hold omap_hwmod_mutex.
+ */
+static struct omap_hwmod *_lookup(const char *name)
+{
+ struct omap_hwmod *oh, *temp_oh;
+
+ oh = NULL;
+
+ list_for_each_entry(temp_oh, &omap_hwmod_list, node) {
+ if (!strcmp(name, temp_oh->name)) {
+ oh = temp_oh;
+ break;
+ }
+ }
+
+ return oh;
+}
+
+/**
+ * _init_clocks - clk_get() all clocks associated with this hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Called by omap_hwmod_late_init() (after omap2_clk_init()).
+ * Resolves all clock names embedded in the hwmod. Must be called
+ * with omap_hwmod_mutex held. Returns -EINVAL if the omap_hwmod
+ * has not yet been registered or if the clocks have already been
+ * initialized, 0 on success, or a non-zero error on failure.
+ */
+static int _init_clocks(struct omap_hwmod *oh)
+{
+ int ret = 0;
+
+ if (!oh || (oh->_state != _HWMOD_STATE_REGISTERED))
+ return -EINVAL;
+
+ pr_debug("omap_hwmod: %s: looking up clocks\n", oh->name);
+
+ ret |= _init_main_clk(oh);
+ ret |= _init_interface_clks(oh);
+ ret |= _init_opt_clks(oh);
+
+ oh->_state = _HWMOD_STATE_CLKS_INITED;
+
+ return ret;
+}
+
+/**
+ * _wait_target_ready - wait for a module to leave slave idle
+ * @oh: struct omap_hwmod *
+ *
+ * Wait for a module @oh to leave slave idle. Returns 0 if the module
+ * does not have an IDLEST bit or if the module successfully leaves
+ * slave idle; otherwise, pass along the return value of the
+ * appropriate *_cm_wait_module_ready() function.
+ */
+static int _wait_target_ready(struct omap_hwmod *oh)
+{
+ struct omap_hwmod_ocp_if *os;
+ int ret;
+
+ if (!oh)
+ return -EINVAL;
+
+ if (oh->_int_flags & _HWMOD_NO_MPU_PORT)
+ return 0;
+
+ os = *oh->slaves + oh->_mpu_port_index;
+
+ if (!(os->flags & OCPIF_HAS_IDLEST))
+ return 0;
+
+ /* XXX check module SIDLEMODE */
+
+ /* XXX check clock enable states */
+
+ if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
+ ret = omap2_cm_wait_module_ready(oh->prcm.omap2.module_offs,
+ oh->prcm.omap2.idlest_reg_id,
+ oh->prcm.omap2.idlest_idle_bit);
+#if 0
+ } else if (cpu_is_omap44xx()) {
+ ret = omap4_cm_wait_module_ready(oh->prcm.omap4.module_offs,
+ oh->prcm.omap4.device_offs);
+#endif
+ } else {
+ BUG();
+ };
+
+ return ret;
+}
+
+/**
+ * _reset - reset an omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Resets an omap_hwmod @oh via the OCP_SYSCONFIG bit. hwmod must be
+ * enabled for this to work. Must be called with omap_hwmod_mutex
+ * held. Returns -EINVAL if the hwmod cannot be reset this way or if
+ * the hwmod is in the wrong state, -ETIMEDOUT if the module did not
+ * reset in time, or 0 upon success.
+ */
+static int _reset(struct omap_hwmod *oh)
+{
+ u32 r, v;
+ int c;
+
+ if (!oh->sysconfig ||
+ !(oh->sysconfig->sysc_flags & SYSC_HAS_SOFTRESET) ||
+ (oh->sysconfig->sysc_flags & SYSS_MISSING))
+ return -EINVAL;
+
+ /* clocks must be on for this operation */
+ if (oh->_state != _HWMOD_STATE_ENABLED) {
+ WARN(1, "omap_hwmod: %s: reset can only be entered from "
+ "enabled state\n", oh->name);
+ return -EINVAL;
+ }
+
+ pr_debug("omap_hwmod: %s: resetting\n", oh->name);
+
+ v = oh->_sysc_cache;
+ r = _set_softreset(oh, &v);
+ if (r)
+ return r;
+ _write_sysconfig(v, oh);
+
+ c = 0;
+ while (c < MAX_MODULE_RESET_WAIT &&
+ !(omap_hwmod_readl(oh, oh->sysconfig->syss_offs) &
+ SYSS_RESETDONE_MASK)) {
+ udelay(1);
+ c++;
+ }
+
+ if (c == MAX_MODULE_RESET_WAIT)
+ WARN(1, "omap_hwmod: %s: failed to reset in %d usec\n",
+ oh->name, MAX_MODULE_RESET_WAIT);
+ else
+ pr_debug("omap_hwmod: %s: reset in %d usec\n", oh->name,
+ MAX_MODULE_RESET_WAIT);
+
+ /*
+ * XXX add _HWMOD_STATE_WEDGED for modules that don't come back from
+ * _wait_target_ready() or _reset()
+ */
+
+ return (c == MAX_MODULE_RESET_WAIT) ? -ETIMEDOUT : 0;
+}
+
+/**
+ * _enable - enable an omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Enables an omap_hwmod @oh such that the MPU can access the hwmod's
+ * register target. Must be called with omap_hwmod_mutex held.
+ * Returns -EINVAL if the hwmod is in the wrong state or passes along
+ * the return value of _wait_target_ready().
+ */
+static int _enable(struct omap_hwmod *oh)
+{
+ int r;
+
+ if (oh->_state != _HWMOD_STATE_INITIALIZED &&
+ oh->_state != _HWMOD_STATE_IDLE &&
+ oh->_state != _HWMOD_STATE_DISABLED) {
+ WARN(1, "omap_hwmod: %s: enabled state can only be entered "
+ "from initialized, idle, or disabled state\n", oh->name);
+ return -EINVAL;
+ }
+
+ pr_debug("omap_hwmod: %s: enabling\n", oh->name);
+
+ /* XXX mux balls */
+
+ _add_initiator_dep(oh, mpu_oh);
+ _enable_clocks(oh);
+
+ if (oh->sysconfig) {
+ if (!(oh->_int_flags & _HWMOD_SYSCONFIG_LOADED))
+ _update_sysc_cache(oh);
+ _sysc_enable(oh);
+ }
+
+ r = _wait_target_ready(oh);
+ if (!r)
+ oh->_state = _HWMOD_STATE_ENABLED;
+
+ return r;
+}
+
+/**
+ * _idle - idle an omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Idles an omap_hwmod @oh. This should be called once the hwmod has
+ * no further work. Returns -EINVAL if the hwmod is in the wrong
+ * state or returns 0.
+ */
+static int _idle(struct omap_hwmod *oh)
+{
+ if (oh->_state != _HWMOD_STATE_ENABLED) {
+ WARN(1, "omap_hwmod: %s: idle state can only be entered from "
+ "enabled state\n", oh->name);
+ return -EINVAL;
+ }
+
+ pr_debug("omap_hwmod: %s: idling\n", oh->name);
+
+ if (oh->sysconfig)
+ _sysc_idle(oh);
+ _del_initiator_dep(oh, mpu_oh);
+ _disable_clocks(oh);
+
+ oh->_state = _HWMOD_STATE_IDLE;
+
+ return 0;
+}
+
+/**
+ * _shutdown - shutdown an omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Shut down an omap_hwmod @oh. This should be called when the driver
+ * used for the hwmod is removed or unloaded or if the driver is not
+ * used by the system. Returns -EINVAL if the hwmod is in the wrong
+ * state or returns 0.
+ */
+static int _shutdown(struct omap_hwmod *oh)
+{
+ if (oh->_state != _HWMOD_STATE_IDLE &&
+ oh->_state != _HWMOD_STATE_ENABLED) {
+ WARN(1, "omap_hwmod: %s: disabled state can only be entered "
+ "from idle, or enabled state\n", oh->name);
+ return -EINVAL;
+ }
+
+ pr_debug("omap_hwmod: %s: disabling\n", oh->name);
+
+ if (oh->sysconfig)
+ _sysc_shutdown(oh);
+ _del_initiator_dep(oh, mpu_oh);
+ /* XXX what about the other system initiators here? DMA, tesla, d2d */
+ _disable_clocks(oh);
+ /* XXX Should this code also force-disable the optional clocks? */
+
+ /* XXX mux any associated balls to safe mode */
+
+ oh->_state = _HWMOD_STATE_DISABLED;
+
+ return 0;
+}
+
+/**
+ * _write_clockact_lock - set the module's clockactivity bits
+ * @oh: struct omap_hwmod *
+ * @clockact: CLOCKACTIVITY field bits
+ *
+ * Writes the CLOCKACTIVITY bits @clockact to the hwmod @oh
+ * OCP_SYSCONFIG register. Returns -EINVAL if the hwmod is in the
+ * wrong state or returns 0.
+ */
+static int _write_clockact_lock(struct omap_hwmod *oh, u8 clockact)
+{
+ u32 v;
+
+ if (!oh->sysconfig ||
+ !(oh->sysconfig->sysc_flags & SYSC_HAS_CLOCKACTIVITY))
+ return -EINVAL;
+
+ mutex_lock(&omap_hwmod_mutex);
+ v = oh->_sysc_cache;
+ _set_clockactivity(oh, clockact, &v);
+ _write_sysconfig(v, oh);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return 0;
+}
+
+
+/**
+ * _setup - do initial configuration of omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Writes the CLOCKACTIVITY bits @clockact to the hwmod @oh
+ * OCP_SYSCONFIG register. Must be called with omap_hwmod_mutex
+ * held. Returns -EINVAL if the hwmod is in the wrong state or returns
+ * 0.
+ */
+static int _setup(struct omap_hwmod *oh)
+{
+ struct omap_hwmod_ocp_if *os;
+ int i;
+
+ if (!oh)
+ return -EINVAL;
+
+ /* Set iclk autoidle mode */
+ if (oh->slaves_cnt > 0) {
+ for (i = 0, os = *oh->slaves; i < oh->slaves_cnt; i++, os++) {
+ struct clk *c = os->_clk;
+
+ if (!c || IS_ERR(c))
+ continue;
+
+ if (os->flags & OCPIF_SWSUP_IDLE) {
+ /* XXX omap_iclk_deny_idle(c); */
+ } else {
+ /* XXX omap_iclk_allow_idle(c); */
+ clk_enable(c);
+ }
+ }
+ }
+
+ oh->_state = _HWMOD_STATE_INITIALIZED;
+
+ _enable(oh);
+
+ if (!(oh->flags & HWMOD_INIT_NO_RESET))
+ _reset(oh);
+
+ /* XXX OCP AUTOIDLE bit? */
+ /* XXX OCP ENAWAKEUP bit? */
+
+ if (!(oh->flags & HWMOD_INIT_NO_IDLE))
+ _idle(oh);
+
+ return 0;
+}
+
+
+
+/* Public functions */
+
+u32 omap_hwmod_readl(struct omap_hwmod *oh, u16 reg_offs)
+{
+ return __raw_readl(oh->_rt_va + reg_offs);
+}
+
+void omap_hwmod_writel(u32 v, struct omap_hwmod *oh, u16 reg_offs)
+{
+ __raw_writel(v, oh->_rt_va + reg_offs);
+}
+
+/**
+ * omap_hwmod_register - register a struct omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Registers the omap_hwmod @oh. Returns -EEXIST if an omap_hwmod already
+ * has been registered by the same name; -EINVAL if the omap_hwmod is in the
+ * wrong state, or 0 on success.
+ *
+ * XXX The data should be copied into bootmem, so the original data
+ * should be marked __initdata and freed after init. This would allow
+ * unneeded omap_hwmods to be freed on multi-OMAP configurations. Note
+ * that the copy process would be relatively complex due to the large number
+ * of substructures.
+ */
+int omap_hwmod_register(struct omap_hwmod *oh)
+{
+ int ret, ms_id;
+
+ if (!oh || (oh->_state != _HWMOD_STATE_UNKNOWN))
+ return -EINVAL;
+
+ mutex_lock(&omap_hwmod_mutex);
+
+ pr_debug("omap_hwmod: %s: registering\n", oh->name);
+
+ if (_lookup(oh->name)) {
+ ret = -EEXIST;
+ goto ohr_unlock;
+ }
+
+ ms_id = _find_mpu_port_index(oh);
+ if (!IS_ERR_VALUE(ms_id)) {
+ oh->_mpu_port_index = ms_id;
+ oh->_rt_va = _find_mpu_rt_base(oh, oh->_mpu_port_index);
+ } else {
+ oh->_int_flags |= _HWMOD_NO_MPU_PORT;
+ }
+
+ list_add_tail(&oh->node, &omap_hwmod_list);
+
+ oh->_state = _HWMOD_STATE_REGISTERED;
+
+ ret = 0;
+
+ohr_unlock:
+ mutex_unlock(&omap_hwmod_mutex);
+ return ret;
+}
+
+/**
+ * omap_hwmod_lookup - look up a registered omap_hwmod by name
+ * @name: name of the omap_hwmod to look up
+ *
+ * Given a @name of an omap_hwmod, return a pointer to the registered
+ * struct omap_hwmod *, or NULL upon error.
+ */
+struct omap_hwmod *omap_hwmod_lookup(const char *name)
+{
+ struct omap_hwmod *oh;
+
+ if (!name)
+ return NULL;
+
+ mutex_lock(&omap_hwmod_mutex);
+ oh = _lookup(name);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return oh;
+}
+
+/**
+ * omap_hwmod_for_each - call function for each registered omap_hwmod
+ * @fn: pointer to a callback function
+ *
+ * Call @fn for each registered omap_hwmod, passing @data to each
+ * function. @fn must return 0 for success or any other value for
+ * failure. If @fn returns non-zero, the iteration across omap_hwmods
+ * will stop and the non-zero return value will be passed to the
+ * caller of omap_hwmod_for_each(). @fn is called with
+ * omap_hwmod_for_each() held.
+ */
+int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh))
+{
+ struct omap_hwmod *temp_oh;
+ int ret;
+
+ if (!fn)
+ return -EINVAL;
+
+ mutex_lock(&omap_hwmod_mutex);
+ list_for_each_entry(temp_oh, &omap_hwmod_list, node) {
+ ret = (*fn)(temp_oh);
+ if (ret)
+ break;
+ }
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return ret;
+}
+
+
+/**
+ * omap_hwmod_init - init omap_hwmod code and register hwmods
+ * @ohs: pointer to an array of omap_hwmods to register
+ *
+ * Intended to be called early in boot before the clock framework is
+ * initialized. If @ohs is not null, will register all omap_hwmods
+ * listed in @ohs that are valid for this chip. Returns -EINVAL if
+ * omap_hwmod_init() has already been called or 0 otherwise.
+ */
+int omap_hwmod_init(struct omap_hwmod **ohs)
+{
+ struct omap_hwmod *oh;
+ int r;
+
+ if (inited)
+ return -EINVAL;
+
+ inited = 1;
+
+ if (!ohs)
+ return 0;
+
+ oh = *ohs;
+ while (oh) {
+ if (omap_chip_is(oh->omap_chip)) {
+ r = omap_hwmod_register(oh);
+ WARN(r, "omap_hwmod: %s: omap_hwmod_register returned "
+ "%d\n", oh->name, r);
+ }
+ oh = *++ohs;
+ }
+
+ return 0;
+}
+
+/**
+ * omap_hwmod_late_init - do some post-clock framework initialization
+ *
+ * Must be called after omap2_clk_init(). Resolves the struct clk names
+ * to struct clk pointers for each registered omap_hwmod. Also calls
+ * _setup() on each hwmod. Returns 0.
+ */
+int omap_hwmod_late_init(void)
+{
+ int r;
+
+ /* XXX check return value */
+ r = omap_hwmod_for_each(_init_clocks);
+ WARN(r, "omap_hwmod: omap_hwmod_late_init(): _init_clocks failed\n");
+
+ mpu_oh = omap_hwmod_lookup(MPU_INITIATOR_NAME);
+ WARN(!mpu_oh, "omap_hwmod: could not find MPU initiator hwmod %s\n",
+ MPU_INITIATOR_NAME);
+
+ omap_hwmod_for_each(_setup);
+
+ return 0;
+}
+
+/**
+ * omap_hwmod_unregister - unregister an omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Unregisters a previously-registered omap_hwmod @oh. There's probably
+ * no use case for this, so it is likely to be removed in a later version.
+ *
+ * XXX Free all of the bootmem-allocated structures here when that is
+ * implemented. Make it clear that core code is the only code that is
+ * expected to unregister modules.
+ */
+int omap_hwmod_unregister(struct omap_hwmod *oh)
+{
+ if (!oh)
+ return -EINVAL;
+
+ pr_debug("omap_hwmod: %s: unregistering\n", oh->name);
+
+ mutex_lock(&omap_hwmod_mutex);
+ list_del(&oh->node);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return 0;
+}
+
+/**
+ * omap_hwmod_enable - enable an omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Enable an omap_hwomd @oh. Intended to be called by omap_device_enable().
+ * Returns -EINVAL on error or passes along the return value from _enable().
+ */
+int omap_hwmod_enable(struct omap_hwmod *oh)
+{
+ int r;
+
+ if (!oh)
+ return -EINVAL;
+
+ mutex_lock(&omap_hwmod_mutex);
+ r = _enable(oh);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return r;
+}
+
+/**
+ * omap_hwmod_idle - idle an omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Idle an omap_hwomd @oh. Intended to be called by omap_device_idle().
+ * Returns -EINVAL on error or passes along the return value from _idle().
+ */
+int omap_hwmod_idle(struct omap_hwmod *oh)
+{
+ if (!oh)
+ return -EINVAL;
+
+ mutex_lock(&omap_hwmod_mutex);
+ _idle(oh);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return 0;
+}
+
+/**
+ * omap_hwmod_shutdown - shutdown an omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Shutdown an omap_hwomd @oh. Intended to be called by
+ * omap_device_shutdown(). Returns -EINVAL on error or passes along
+ * the return value from _shutdown().
+ */
+int omap_hwmod_shutdown(struct omap_hwmod *oh)
+{
+ if (!oh)
+ return -EINVAL;
+
+ mutex_lock(&omap_hwmod_mutex);
+ _shutdown(oh);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return 0;
+}
+
+/**
+ * omap_hwmod_enable_clocks - enable main_clk, all interface clocks
+ * @oh: struct omap_hwmod *oh
+ *
+ * Intended to be called by the omap_device code.
+ */
+int omap_hwmod_enable_clocks(struct omap_hwmod *oh)
+{
+ mutex_lock(&omap_hwmod_mutex);
+ _enable_clocks(oh);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return 0;
+}
+
+/**
+ * omap_hwmod_disable_clocks - disable main_clk, all interface clocks
+ * @oh: struct omap_hwmod *oh
+ *
+ * Intended to be called by the omap_device code.
+ */
+int omap_hwmod_disable_clocks(struct omap_hwmod *oh)
+{
+ mutex_lock(&omap_hwmod_mutex);
+ _disable_clocks(oh);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return 0;
+}
+
+/**
+ * omap_hwmod_ocp_barrier - wait for posted writes against the hwmod to complete
+ * @oh: struct omap_hwmod *oh
+ *
+ * Intended to be called by drivers and core code when all posted
+ * writes to a device must complete before continuing further
+ * execution (for example, after clearing some device IRQSTATUS
+ * register bits)
+ *
+ * XXX what about targets with multiple OCP threads?
+ */
+void omap_hwmod_ocp_barrier(struct omap_hwmod *oh)
+{
+ BUG_ON(!oh);
+
+ if (!oh->sysconfig || !oh->sysconfig->sysc_flags) {
+ WARN(1, "omap_device: %s: OCP barrier impossible due to "
+ "device configuration\n", oh->name);
+ return;
+ }
+
+ /*
+ * Forces posted writes to complete on the OCP thread handling
+ * register writes
+ */
+ omap_hwmod_readl(oh, oh->sysconfig->sysc_offs);
+}
+
+/**
+ * omap_hwmod_reset - reset the hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Under some conditions, a driver may wish to reset the entire device.
+ * Called from omap_device code. Returns -EINVAL on error or passes along
+ * the return value from _reset()/_enable().
+ */
+int omap_hwmod_reset(struct omap_hwmod *oh)
+{
+ int r;
+
+ if (!oh || !(oh->_state & _HWMOD_STATE_ENABLED))
+ return -EINVAL;
+
+ mutex_lock(&omap_hwmod_mutex);
+ r = _reset(oh);
+ if (!r)
+ r = _enable(oh);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return r;
+}
+
+/**
+ * omap_hwmod_count_resources - count number of struct resources needed by hwmod
+ * @oh: struct omap_hwmod *
+ * @res: pointer to the first element of an array of struct resource to fill
+ *
+ * Count the number of struct resource array elements necessary to
+ * contain omap_hwmod @oh resources. Intended to be called by code
+ * that registers omap_devices. Intended to be used to determine the
+ * size of a dynamically-allocated struct resource array, before
+ * calling omap_hwmod_fill_resources(). Returns the number of struct
+ * resource array elements needed.
+ *
+ * XXX This code is not optimized. It could attempt to merge adjacent
+ * resource IDs.
+ *
+ */
+int omap_hwmod_count_resources(struct omap_hwmod *oh)
+{
+ int ret, i;
+
+ ret = oh->mpu_irqs_cnt + oh->sdma_chs_cnt;
+
+ for (i = 0; i < oh->slaves_cnt; i++)
+ ret += (*oh->slaves + i)->addr_cnt;
+
+ return ret;
+}
+
+/**
+ * omap_hwmod_fill_resources - fill struct resource array with hwmod data
+ * @oh: struct omap_hwmod *
+ * @res: pointer to the first element of an array of struct resource to fill
+ *
+ * Fill the struct resource array @res with resource data from the
+ * omap_hwmod @oh. Intended to be called by code that registers
+ * omap_devices. See also omap_hwmod_count_resources(). Returns the
+ * number of array elements filled.
+ */
+int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res)
+{
+ int i, j;
+ int r = 0;
+
+ /* For each IRQ, DMA, memory area, fill in array.*/
+
+ for (i = 0; i < oh->mpu_irqs_cnt; i++) {
+ (res + r)->start = *(oh->mpu_irqs + i);
+ (res + r)->end = *(oh->mpu_irqs + i);
+ (res + r)->flags = IORESOURCE_IRQ;
+ r++;
+ }
+
+ for (i = 0; i < oh->sdma_chs_cnt; i++) {
+ (res + r)->name = (oh->sdma_chs + i)->name;
+ (res + r)->start = (oh->sdma_chs + i)->dma_ch;
+ (res + r)->end = (oh->sdma_chs + i)->dma_ch;
+ (res + r)->flags = IORESOURCE_DMA;
+ r++;
+ }
+
+ for (i = 0; i < oh->slaves_cnt; i++) {
+ struct omap_hwmod_ocp_if *os;
+
+ os = *oh->slaves + i;
+
+ for (j = 0; j < os->addr_cnt; j++) {
+ (res + r)->start = (os->addr + j)->pa_start;
+ (res + r)->end = (os->addr + j)->pa_end;
+ (res + r)->flags = IORESOURCE_MEM;
+ r++;
+ }
+ }
+
+ return r;
+}
+
+/**
+ * omap_hwmod_get_pwrdm - return pointer to this module's main powerdomain
+ * @oh: struct omap_hwmod *
+ *
+ * Return the powerdomain pointer associated with the OMAP module
+ * @oh's main clock. If @oh does not have a main clk, return the
+ * powerdomain associated with the interface clock associated with the
+ * module's MPU port. (XXX Perhaps this should use the SDMA port
+ * instead?) Returns NULL on error, or a struct powerdomain * on
+ * success.
+ */
+struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh)
+{
+ struct clk *c;
+
+ if (!oh)
+ return NULL;
+
+ if (oh->_clk) {
+ c = oh->_clk;
+ } else {
+ if (oh->_int_flags & _HWMOD_NO_MPU_PORT)
+ return NULL;
+ c = oh->slaves[oh->_mpu_port_index]->_clk;
+ }
+
+ return c->clkdm->pwrdm.ptr;
+
+}
+
+/**
+ * omap_hwmod_add_initiator_dep - add sleepdep from @init_oh to @oh
+ * @oh: struct omap_hwmod *
+ * @init_oh: struct omap_hwmod * (initiator)
+ *
+ * Add a sleep dependency between the initiator @init_oh and @oh.
+ * Intended to be called by DSP/Bridge code via platform_data for the
+ * DSP case; and by the DMA code in the sDMA case. DMA code, *Bridge
+ * code needs to add/del initiator dependencies dynamically
+ * before/after accessing a device. Returns the return value from
+ * _add_initiator_dep().
+ *
+ * XXX Keep a usecount in the clockdomain code
+ */
+int omap_hwmod_add_initiator_dep(struct omap_hwmod *oh,
+ struct omap_hwmod *init_oh)
+{
+ return _add_initiator_dep(oh, init_oh);
+}
+
+/*
+ * XXX what about functions for drivers to save/restore ocp_sysconfig
+ * for context save/restore operations?
+ */
+
+/**
+ * omap_hwmod_del_initiator_dep - remove sleepdep from @init_oh to @oh
+ * @oh: struct omap_hwmod *
+ * @init_oh: struct omap_hwmod * (initiator)
+ *
+ * Remove a sleep dependency between the initiator @init_oh and @oh.
+ * Intended to be called by DSP/Bridge code via platform_data for the
+ * DSP case; and by the DMA code in the sDMA case. DMA code, *Bridge
+ * code needs to add/del initiator dependencies dynamically
+ * before/after accessing a device. Returns the return value from
+ * _del_initiator_dep().
+ *
+ * XXX Keep a usecount in the clockdomain code
+ */
+int omap_hwmod_del_initiator_dep(struct omap_hwmod *oh,
+ struct omap_hwmod *init_oh)
+{
+ return _del_initiator_dep(oh, init_oh);
+}
+
+/**
+ * omap_hwmod_set_clockact_none - set clockactivity test to BOTH
+ * @oh: struct omap_hwmod *
+ *
+ * On some modules, this function can affect the wakeup latency vs.
+ * power consumption balance. Intended to be called by the
+ * omap_device layer. Passes along the return value from
+ * _write_clockact_lock().
+ */
+int omap_hwmod_set_clockact_both(struct omap_hwmod *oh)
+{
+ return _write_clockact_lock(oh, CLOCKACT_TEST_BOTH);
+}
+
+/**
+ * omap_hwmod_set_clockact_none - set clockactivity test to MAIN
+ * @oh: struct omap_hwmod *
+ *
+ * On some modules, this function can affect the wakeup latency vs.
+ * power consumption balance. Intended to be called by the
+ * omap_device layer. Passes along the return value from
+ * _write_clockact_lock().
+ */
+int omap_hwmod_set_clockact_main(struct omap_hwmod *oh)
+{
+ return _write_clockact_lock(oh, CLOCKACT_TEST_MAIN);
+}
+
+/**
+ * omap_hwmod_set_clockact_none - set clockactivity test to ICLK
+ * @oh: struct omap_hwmod *
+ *
+ * On some modules, this function can affect the wakeup latency vs.
+ * power consumption balance. Intended to be called by the
+ * omap_device layer. Passes along the return value from
+ * _write_clockact_lock().
+ */
+int omap_hwmod_set_clockact_iclk(struct omap_hwmod *oh)
+{
+ return _write_clockact_lock(oh, CLOCKACT_TEST_ICLK);
+}
+
+/**
+ * omap_hwmod_set_clockact_none - set clockactivity test to NONE
+ * @oh: struct omap_hwmod *
+ *
+ * On some modules, this function can affect the wakeup latency vs.
+ * power consumption balance. Intended to be called by the
+ * omap_device layer. Passes along the return value from
+ * _write_clockact_lock().
+ */
+int omap_hwmod_set_clockact_none(struct omap_hwmod *oh)
+{
+ return _write_clockact_lock(oh, CLOCKACT_TEST_NONE);
+}
+
+/**
+ * omap_hwmod_enable_wakeup - allow device to wake up the system
+ * @oh: struct omap_hwmod *
+ *
+ * Sets the module OCP socket ENAWAKEUP bit to allow the module to
+ * send wakeups to the PRCM. Eventually this should sets PRCM wakeup
+ * registers to cause the PRCM to receive wakeup events from the
+ * module. Does not set any wakeup routing registers beyond this
+ * point - if the module is to wake up any other module or subsystem,
+ * that must be set separately. Called by omap_device code. Returns
+ * -EINVAL on error or 0 upon success.
+ */
+int omap_hwmod_enable_wakeup(struct omap_hwmod *oh)
+{
+ if (!oh->sysconfig ||
+ !(oh->sysconfig->sysc_flags & SYSC_HAS_ENAWAKEUP))
+ return -EINVAL;
+
+ mutex_lock(&omap_hwmod_mutex);
+ _enable_wakeup(oh);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return 0;
+}
+
+/**
+ * omap_hwmod_disable_wakeup - prevent device from waking the system
+ * @oh: struct omap_hwmod *
+ *
+ * Clears the module OCP socket ENAWAKEUP bit to prevent the module
+ * from sending wakeups to the PRCM. Eventually this should clear
+ * PRCM wakeup registers to cause the PRCM to ignore wakeup events
+ * from the module. Does not set any wakeup routing registers beyond
+ * this point - if the module is to wake up any other module or
+ * subsystem, that must be set separately. Called by omap_device
+ * code. Returns -EINVAL on error or 0 upon success.
+ */
+int omap_hwmod_disable_wakeup(struct omap_hwmod *oh)
+{
+ if (!oh->sysconfig ||
+ !(oh->sysconfig->sysc_flags & SYSC_HAS_ENAWAKEUP))
+ return -EINVAL;
+
+ mutex_lock(&omap_hwmod_mutex);
+ _disable_wakeup(oh);
+ mutex_unlock(&omap_hwmod_mutex);
+
+ return 0;
+}
diff --git a/arch/arm/plat-omap/include/mach/omap_hwmod.h b/arch/arm/plat-omap/include/mach/omap_hwmod.h
new file mode 100644
index 000000000000..1f79c20e2929
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/omap_hwmod.h
@@ -0,0 +1,447 @@
+/*
+ * omap_hwmod macros, structures
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * Created in collaboration with (alphabetical order): Benoit Cousson,
+ * Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram Pandita, Sakari
+ * Poussa, Anand Sawant, Santosh Shilimkar, Richard Woodruff
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * These headers and macros are used to define OMAP on-chip module
+ * data and their integration with other OMAP modules and Linux.
+ *
+ * References:
+ * - OMAP2420 Multimedia Processor Silicon Revision 2.1.1, 2.2 (SWPU064)
+ * - OMAP2430 Multimedia Device POP Silicon Revision 2.1 (SWPU090)
+ * - OMAP34xx Multimedia Device Silicon Revision 3.1 (SWPU108)
+ * - OMAP4430 Multimedia Device Silicon Revision 1.0 (SWPU140)
+ * - Open Core Protocol Specification 2.2
+ *
+ * To do:
+ * - add interconnect error log structures
+ * - add pinmuxing
+ * - init_conn_id_bit (CONNID_BIT_VECTOR)
+ * - implement default hwmod SMS/SDRC flags?
+ *
+ */
+#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H
+#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H
+
+#include <linux/kernel.h>
+#include <linux/ioport.h>
+
+#include <mach/cpu.h>
+
+struct omap_device;
+
+/* OCP SYSCONFIG bit shifts/masks */
+#define SYSC_MIDLEMODE_SHIFT 12
+#define SYSC_MIDLEMODE_MASK (0x3 << SYSC_MIDLEMODE_SHIFT)
+#define SYSC_CLOCKACTIVITY_SHIFT 8
+#define SYSC_CLOCKACTIVITY_MASK (0x3 << SYSC_CLOCKACTIVITY_SHIFT)
+#define SYSC_SIDLEMODE_SHIFT 3
+#define SYSC_SIDLEMODE_MASK (0x3 << SYSC_SIDLEMODE_SHIFT)
+#define SYSC_ENAWAKEUP_SHIFT 2
+#define SYSC_ENAWAKEUP_MASK (1 << SYSC_ENAWAKEUP_SHIFT)
+#define SYSC_SOFTRESET_SHIFT 1
+#define SYSC_SOFTRESET_MASK (1 << SYSC_SOFTRESET_SHIFT)
+
+/* OCP SYSSTATUS bit shifts/masks */
+#define SYSS_RESETDONE_SHIFT 0
+#define SYSS_RESETDONE_MASK (1 << SYSS_RESETDONE_SHIFT)
+
+/* Master standby/slave idle mode flags */
+#define HWMOD_IDLEMODE_FORCE (1 << 0)
+#define HWMOD_IDLEMODE_NO (1 << 1)
+#define HWMOD_IDLEMODE_SMART (1 << 2)
+
+
+/**
+ * struct omap_hwmod_dma_info - MPU address space handled by the hwmod
+ * @name: name of the DMA channel (module local name)
+ * @dma_ch: DMA channel ID
+ *
+ * @name should be something short, e.g., "tx" or "rx". It is for use
+ * by platform_get_resource_byname(). It is defined locally to the
+ * hwmod.
+ */
+struct omap_hwmod_dma_info {
+ const char *name;
+ u16 dma_ch;
+};
+
+/**
+ * struct omap_hwmod_opt_clk - optional clocks used by this hwmod
+ * @role: "sys", "32k", "tv", etc -- for use in clk_get()
+ * @clkdev_dev_id: opt clock: clkdev dev_id string
+ * @clkdev_con_id: opt clock: clkdev con_id string
+ * @_clk: pointer to the struct clk (filled in at runtime)
+ *
+ * The module's interface clock and main functional clock should not
+ * be added as optional clocks.
+ */
+struct omap_hwmod_opt_clk {
+ const char *role;
+ const char *clkdev_dev_id;
+ const char *clkdev_con_id;
+ struct clk *_clk;
+};
+
+
+/* omap_hwmod_omap2_firewall.flags bits */
+#define OMAP_FIREWALL_L3 (1 << 0)
+#define OMAP_FIREWALL_L4 (1 << 1)
+
+/**
+ * struct omap_hwmod_omap2_firewall - OMAP2/3 device firewall data
+ * @l3_perm_bit: bit shift for L3_PM_*_PERMISSION_*
+ * @l4_fw_region: L4 firewall region ID
+ * @l4_prot_group: L4 protection group ID
+ * @flags: (see omap_hwmod_omap2_firewall.flags macros above)
+ */
+struct omap_hwmod_omap2_firewall {
+ u8 l3_perm_bit;
+ u8 l4_fw_region;
+ u8 l4_prot_group;
+ u8 flags;
+};
+
+
+/*
+ * omap_hwmod_addr_space.flags bits
+ *
+ * ADDR_MAP_ON_INIT: Map this address space during omap_hwmod init.
+ * ADDR_TYPE_RT: Address space contains module register target data.
+ */
+#define ADDR_MAP_ON_INIT (1 << 0)
+#define ADDR_TYPE_RT (1 << 1)
+
+/**
+ * struct omap_hwmod_addr_space - MPU address space handled by the hwmod
+ * @pa_start: starting physical address
+ * @pa_end: ending physical address
+ * @flags: (see omap_hwmod_addr_space.flags macros above)
+ *
+ * Address space doesn't necessarily follow physical interconnect
+ * structure. GPMC is one example.
+ */
+struct omap_hwmod_addr_space {
+ u32 pa_start;
+ u32 pa_end;
+ u8 flags;
+};
+
+
+/*
+ * omap_hwmod_ocp_if.user bits: these indicate the initiators that use this
+ * interface to interact with the hwmod. Used to add sleep dependencies
+ * when the module is enabled or disabled.
+ */
+#define OCP_USER_MPU (1 << 0)
+#define OCP_USER_SDMA (1 << 1)
+
+/* omap_hwmod_ocp_if.flags bits */
+#define OCPIF_HAS_IDLEST (1 << 0)
+#define OCPIF_SWSUP_IDLE (1 << 1)
+#define OCPIF_CAN_BURST (1 << 2)
+
+/**
+ * struct omap_hwmod_ocp_if - OCP interface data
+ * @master: struct omap_hwmod that initiates OCP transactions on this link
+ * @slave: struct omap_hwmod that responds to OCP transactions on this link
+ * @addr: address space associated with this link
+ * @clkdev_dev_id: interface clock: clkdev dev_id string
+ * @clkdev_con_id: interface clock: clkdev con_id string
+ * @_clk: pointer to the interface struct clk (filled in at runtime)
+ * @fw: interface firewall data
+ * @addr_cnt: ARRAY_SIZE(@addr)
+ * @width: OCP data width
+ * @thread_cnt: number of threads
+ * @max_burst_len: maximum burst length in @width sized words (0 if unlimited)
+ * @user: initiators using this interface (see OCP_USER_* macros above)
+ * @flags: OCP interface flags (see OCPIF_* macros above)
+ *
+ * It may also be useful to add a tag_cnt field for OCP2.x devices.
+ *
+ * Parameter names beginning with an underscore are managed internally by
+ * the omap_hwmod code and should not be set during initialization.
+ */
+struct omap_hwmod_ocp_if {
+ struct omap_hwmod *master;
+ struct omap_hwmod *slave;
+ struct omap_hwmod_addr_space *addr;
+ const char *clkdev_dev_id;
+ const char *clkdev_con_id;
+ struct clk *_clk;
+ union {
+ struct omap_hwmod_omap2_firewall omap2;
+ } fw;
+ u8 addr_cnt;
+ u8 width;
+ u8 thread_cnt;
+ u8 max_burst_len;
+ u8 user;
+ u8 flags;
+};
+
+
+/* Macros for use in struct omap_hwmod_sysconfig */
+
+/* Flags for use in omap_hwmod_sysconfig.idlemodes */
+#define MASTER_STANDBY_SHIFT 2
+#define SLAVE_IDLE_SHIFT 0
+#define SIDLE_FORCE (HWMOD_IDLEMODE_FORCE << SLAVE_IDLE_SHIFT)
+#define SIDLE_NO (HWMOD_IDLEMODE_NO << SLAVE_IDLE_SHIFT)
+#define SIDLE_SMART (HWMOD_IDLEMODE_SMART << SLAVE_IDLE_SHIFT)
+#define MSTANDBY_FORCE (HWMOD_IDLEMODE_FORCE << MASTER_STANDBY_SHIFT)
+#define MSTANDBY_NO (HWMOD_IDLEMODE_NO << MASTER_STANDBY_SHIFT)
+#define MSTANDBY_SMART (HWMOD_IDLEMODE_SMART << MASTER_STANDBY_SHIFT)
+
+/* omap_hwmod_sysconfig.sysc_flags capability flags */
+#define SYSC_HAS_AUTOIDLE (1 << 0)
+#define SYSC_HAS_SOFTRESET (1 << 1)
+#define SYSC_HAS_ENAWAKEUP (1 << 2)
+#define SYSC_HAS_EMUFREE (1 << 3)
+#define SYSC_HAS_CLOCKACTIVITY (1 << 4)
+#define SYSC_HAS_SIDLEMODE (1 << 5)
+#define SYSC_HAS_MIDLEMODE (1 << 6)
+#define SYSS_MISSING (1 << 7)
+
+/* omap_hwmod_sysconfig.clockact flags */
+#define CLOCKACT_TEST_BOTH 0x0
+#define CLOCKACT_TEST_MAIN 0x1
+#define CLOCKACT_TEST_ICLK 0x2
+#define CLOCKACT_TEST_NONE 0x3
+
+/**
+ * struct omap_hwmod_sysconfig - hwmod OCP_SYSCONFIG/OCP_SYSSTATUS data
+ * @rev_offs: IP block revision register offset (from module base addr)
+ * @sysc_offs: OCP_SYSCONFIG register offset (from module base addr)
+ * @syss_offs: OCP_SYSSTATUS register offset (from module base addr)
+ * @idlemodes: One or more of {SIDLE,MSTANDBY}_{OFF,FORCE,SMART}
+ * @sysc_flags: SYS{C,S}_HAS* flags indicating SYSCONFIG bits supported
+ * @clockact: the default value of the module CLOCKACTIVITY bits
+ *
+ * @clockact describes to the module which clocks are likely to be
+ * disabled when the PRCM issues its idle request to the module. Some
+ * modules have separate clockdomains for the interface clock and main
+ * functional clock, and can check whether they should acknowledge the
+ * idle request based on the internal module functionality that has
+ * been associated with the clocks marked in @clockact. This field is
+ * only used if HWMOD_SET_DEFAULT_CLOCKACT is set (see below)
+ *
+ */
+struct omap_hwmod_sysconfig {
+ u16 rev_offs;
+ u16 sysc_offs;
+ u16 syss_offs;
+ u8 idlemodes;
+ u8 sysc_flags;
+ u8 clockact;
+};
+
+/**
+ * struct omap_hwmod_omap2_prcm - OMAP2/3-specific PRCM data
+ * @module_offs: PRCM submodule offset from the start of the PRM/CM
+ * @prcm_reg_id: PRCM register ID (e.g., 3 for CM_AUTOIDLE3)
+ * @module_bit: register bit shift for AUTOIDLE, WKST, WKEN, GRPSEL regs
+ * @idlest_reg_id: IDLEST register ID (e.g., 3 for CM_IDLEST3)
+ * @idlest_idle_bit: register bit shift for CM_IDLEST slave idle bit
+ * @idlest_stdby_bit: register bit shift for CM_IDLEST master standby bit
+ *
+ * @prcm_reg_id and @module_bit are specific to the AUTOIDLE, WKST,
+ * WKEN, GRPSEL registers. In an ideal world, no extra information
+ * would be needed for IDLEST information, but alas, there are some
+ * exceptions, so @idlest_reg_id, @idlest_idle_bit, @idlest_stdby_bit
+ * are needed for the IDLEST registers (c.f. 2430 I2CHS, 3430 USBHOST)
+ */
+struct omap_hwmod_omap2_prcm {
+ s16 module_offs;
+ u8 prcm_reg_id;
+ u8 module_bit;
+ u8 idlest_reg_id;
+ u8 idlest_idle_bit;
+ u8 idlest_stdby_bit;
+};
+
+
+/**
+ * struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data
+ * @module_offs: PRCM submodule offset from the start of the PRM/CM1/CM2
+ * @device_offs: device register offset from @module_offs
+ * @submodule_wkdep_bit: bit shift of the WKDEP range
+ */
+struct omap_hwmod_omap4_prcm {
+ u32 module_offs;
+ u16 device_offs;
+ u8 submodule_wkdep_bit;
+};
+
+
+/*
+ * omap_hwmod.flags definitions
+ *
+ * HWMOD_SWSUP_SIDLE: omap_hwmod code should manually bring module in and out
+ * of idle, rather than relying on module smart-idle
+ * HWMOD_SWSUP_MSTDBY: omap_hwmod code should manually bring module in and out
+ * of standby, rather than relying on module smart-standby
+ * HWMOD_INIT_NO_RESET: don't reset this module at boot - important for
+ * SDRAM controller, etc.
+ * HWMOD_INIT_NO_IDLE: don't idle this module at boot - important for SDRAM
+ * controller, etc.
+ * HWMOD_SET_DEFAULT_CLOCKACT: program CLOCKACTIVITY bits at startup
+ */
+#define HWMOD_SWSUP_SIDLE (1 << 0)
+#define HWMOD_SWSUP_MSTANDBY (1 << 1)
+#define HWMOD_INIT_NO_RESET (1 << 2)
+#define HWMOD_INIT_NO_IDLE (1 << 3)
+#define HWMOD_SET_DEFAULT_CLOCKACT (1 << 4)
+
+/*
+ * omap_hwmod._int_flags definitions
+ * These are for internal use only and are managed by the omap_hwmod code.
+ *
+ * _HWMOD_NO_MPU_PORT: no path exists for the MPU to write to this module
+ * _HWMOD_WAKEUP_ENABLED: set when the omap_hwmod code has enabled ENAWAKEUP
+ * _HWMOD_SYSCONFIG_LOADED: set when the OCP_SYSCONFIG value has been cached
+ */
+#define _HWMOD_NO_MPU_PORT (1 << 0)
+#define _HWMOD_WAKEUP_ENABLED (1 << 1)
+#define _HWMOD_SYSCONFIG_LOADED (1 << 2)
+
+/*
+ * omap_hwmod._state definitions
+ *
+ * INITIALIZED: reset (optionally), initialized, enabled, disabled
+ * (optionally)
+ *
+ *
+ */
+#define _HWMOD_STATE_UNKNOWN 0
+#define _HWMOD_STATE_REGISTERED 1
+#define _HWMOD_STATE_CLKS_INITED 2
+#define _HWMOD_STATE_INITIALIZED 3
+#define _HWMOD_STATE_ENABLED 4
+#define _HWMOD_STATE_IDLE 5
+#define _HWMOD_STATE_DISABLED 6
+
+/**
+ * struct omap_hwmod - integration data for OMAP hardware "modules" (IP blocks)
+ * @name: name of the hwmod
+ * @od: struct omap_device currently associated with this hwmod (internal use)
+ * @mpu_irqs: ptr to an array of MPU IRQs (see also mpu_irqs_cnt)
+ * @sdma_chs: ptr to an array of SDMA channel IDs (see also sdma_chs_cnt)
+ * @prcm: PRCM data pertaining to this hwmod
+ * @clkdev_dev_id: main clock: clkdev dev_id string
+ * @clkdev_con_id: main clock: clkdev con_id string
+ * @_clk: pointer to the main struct clk (filled in at runtime)
+ * @opt_clks: other device clocks that drivers can request (0..*)
+ * @masters: ptr to array of OCP ifs that this hwmod can initiate on
+ * @slaves: ptr to array of OCP ifs that this hwmod can respond on
+ * @sysconfig: device SYSCONFIG/SYSSTATUS register data
+ * @dev_attr: arbitrary device attributes that can be passed to the driver
+ * @_sysc_cache: internal-use hwmod flags
+ * @_rt_va: cached register target start address (internal use)
+ * @_mpu_port_index: cached MPU register target slave ID (internal use)
+ * @msuspendmux_reg_id: CONTROL_MSUSPENDMUX register ID (1-6)
+ * @msuspendmux_shift: CONTROL_MSUSPENDMUX register bit shift
+ * @mpu_irqs_cnt: number of @mpu_irqs
+ * @sdma_chs_cnt: number of @sdma_chs
+ * @opt_clks_cnt: number of @opt_clks
+ * @master_cnt: number of @master entries
+ * @slaves_cnt: number of @slave entries
+ * @response_lat: device OCP response latency (in interface clock cycles)
+ * @_int_flags: internal-use hwmod flags
+ * @_state: internal-use hwmod state
+ * @flags: hwmod flags (documented below)
+ * @omap_chip: OMAP chips this hwmod is present on
+ * @node: list node for hwmod list (internal use)
+ *
+ * @clkdev_dev_id, @clkdev_con_id, and @clk all refer to this module's "main
+ * clock," which for our purposes is defined as "the functional clock needed
+ * for register accesses to complete." Modules may not have a main clock if
+ * the interface clock also serves as a main clock.
+ *
+ * Parameter names beginning with an underscore are managed internally by
+ * the omap_hwmod code and should not be set during initialization.
+ */
+struct omap_hwmod {
+ const char *name;
+ struct omap_device *od;
+ u8 *mpu_irqs;
+ struct omap_hwmod_dma_info *sdma_chs;
+ union {
+ struct omap_hwmod_omap2_prcm omap2;
+ struct omap_hwmod_omap4_prcm omap4;
+ } prcm;
+ const char *clkdev_dev_id;
+ const char *clkdev_con_id;
+ struct clk *_clk;
+ struct omap_hwmod_opt_clk *opt_clks;
+ struct omap_hwmod_ocp_if **masters; /* connect to *_IA */
+ struct omap_hwmod_ocp_if **slaves; /* connect to *_TA */
+ struct omap_hwmod_sysconfig *sysconfig;
+ void *dev_attr;
+ u32 _sysc_cache;
+ void __iomem *_rt_va;
+ struct list_head node;
+ u16 flags;
+ u8 _mpu_port_index;
+ u8 msuspendmux_reg_id;
+ u8 msuspendmux_shift;
+ u8 response_lat;
+ u8 mpu_irqs_cnt;
+ u8 sdma_chs_cnt;
+ u8 opt_clks_cnt;
+ u8 masters_cnt;
+ u8 slaves_cnt;
+ u8 hwmods_cnt;
+ u8 _int_flags;
+ u8 _state;
+ const struct omap_chip_id omap_chip;
+};
+
+int omap_hwmod_init(struct omap_hwmod **ohs);
+int omap_hwmod_register(struct omap_hwmod *oh);
+int omap_hwmod_unregister(struct omap_hwmod *oh);
+struct omap_hwmod *omap_hwmod_lookup(const char *name);
+int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh));
+int omap_hwmod_late_init(void);
+
+int omap_hwmod_enable(struct omap_hwmod *oh);
+int omap_hwmod_idle(struct omap_hwmod *oh);
+int omap_hwmod_shutdown(struct omap_hwmod *oh);
+
+int omap_hwmod_enable_clocks(struct omap_hwmod *oh);
+int omap_hwmod_disable_clocks(struct omap_hwmod *oh);
+
+int omap_hwmod_reset(struct omap_hwmod *oh);
+void omap_hwmod_ocp_barrier(struct omap_hwmod *oh);
+
+void omap_hwmod_writel(u32 v, struct omap_hwmod *oh, u16 reg_offs);
+u32 omap_hwmod_readl(struct omap_hwmod *oh, u16 reg_offs);
+
+int omap_hwmod_count_resources(struct omap_hwmod *oh);
+int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res);
+
+struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh);
+
+int omap_hwmod_add_initiator_dep(struct omap_hwmod *oh,
+ struct omap_hwmod *init_oh);
+int omap_hwmod_del_initiator_dep(struct omap_hwmod *oh,
+ struct omap_hwmod *init_oh);
+
+int omap_hwmod_set_clockact_both(struct omap_hwmod *oh);
+int omap_hwmod_set_clockact_main(struct omap_hwmod *oh);
+int omap_hwmod_set_clockact_iclk(struct omap_hwmod *oh);
+int omap_hwmod_set_clockact_none(struct omap_hwmod *oh);
+
+int omap_hwmod_enable_wakeup(struct omap_hwmod *oh);
+int omap_hwmod_disable_wakeup(struct omap_hwmod *oh);
+
+#endif
--
GitLab
From 02bfc030e4417003b7a94393102c92e39b2dfa65 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 3 Sep 2009 20:14:05 +0300
Subject: [PATCH 477/742] OMAP: omap_hwmod: call omap_hwmod init at boot;
create interconnects
Connect the omap_hwmod code to the kernel boot. Create some basic
interconnect and device structures for OMAP2/3 chips.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/mach-omap2/io.c | 17 ++-
arch/arm/mach-omap2/omap_hwmod.c | 3 +-
arch/arm/mach-omap2/omap_hwmod_2420.h | 141 +++++++++++++++++++++
arch/arm/mach-omap2/omap_hwmod_2430.h | 143 ++++++++++++++++++++++
arch/arm/mach-omap2/omap_hwmod_34xx.h | 168 ++++++++++++++++++++++++++
5 files changed, 469 insertions(+), 3 deletions(-)
create mode 100644 arch/arm/mach-omap2/omap_hwmod_2420.h
create mode 100644 arch/arm/mach-omap2/omap_hwmod_2430.h
create mode 100644 arch/arm/mach-omap2/omap_hwmod_34xx.h
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 470b1d10c4e5..7574b6f20e8e 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -39,12 +39,16 @@
#include <mach/omap-pm.h>
#include <mach/powerdomain.h>
-
#include "powerdomains.h"
#include <mach/clockdomain.h>
#include "clockdomains.h"
#endif
+#include <mach/omap_hwmod.h>
+#include "omap_hwmod_2420.h"
+#include "omap_hwmod_2430.h"
+#include "omap_hwmod_34xx.h"
+
/*
* The machine specific code may provide the extra mapping besides the
* default mapping provided here.
@@ -281,6 +285,16 @@ static int __init _omap2_init_reprogram_sdrc(void)
void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
struct omap_sdrc_params *sdrc_cs1)
{
+ struct omap_hwmod **hwmods = NULL;
+
+ if (cpu_is_omap2420())
+ hwmods = omap2420_hwmods;
+ else if (cpu_is_omap2430())
+ hwmods = omap2430_hwmods;
+ else if (cpu_is_omap34xx())
+ hwmods = omap34xx_hwmods;
+
+ omap_hwmod_init(hwmods);
omap2_mux_init();
#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */
/* The OPP tables have to be registered before a clk init */
@@ -289,6 +303,7 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
omap2_clk_init();
omap_serial_early_init();
+ omap_hwmod_late_init();
omap_pm_if_init();
omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
_omap2_init_reprogram_sdrc();
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 3b10ad6c47d3..d2e0f1c95961 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -765,8 +765,7 @@ static int _reset(struct omap_hwmod *oh)
WARN(1, "omap_hwmod: %s: failed to reset in %d usec\n",
oh->name, MAX_MODULE_RESET_WAIT);
else
- pr_debug("omap_hwmod: %s: reset in %d usec\n", oh->name,
- MAX_MODULE_RESET_WAIT);
+ pr_debug("omap_hwmod: %s: reset in %d usec\n", oh->name, c);
/*
* XXX add _HWMOD_STATE_WEDGED for modules that don't come back from
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420.h b/arch/arm/mach-omap2/omap_hwmod_2420.h
new file mode 100644
index 000000000000..767e4965ac4e
--- /dev/null
+++ b/arch/arm/mach-omap2/omap_hwmod_2420.h
@@ -0,0 +1,141 @@
+/*
+ * omap_hwmod_2420.h - hardware modules present on the OMAP2420 chips
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * XXX handle crossbar/shared link difference for L3?
+ *
+ */
+#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD2420_H
+#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD2420_H
+
+#ifdef CONFIG_ARCH_OMAP2420
+
+#include <mach/omap_hwmod.h>
+#include <mach/irqs.h>
+#include <mach/cpu.h>
+#include <mach/dma.h>
+
+#include "prm-regbits-24xx.h"
+
+static struct omap_hwmod omap2420_mpu_hwmod;
+static struct omap_hwmod omap2420_l3_hwmod;
+static struct omap_hwmod omap2420_l4_core_hwmod;
+
+/* L3 -> L4_CORE interface */
+static struct omap_hwmod_ocp_if omap2420_l3__l4_core = {
+ .master = &omap2420_l3_hwmod,
+ .slave = &omap2420_l4_core_hwmod,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* MPU -> L3 interface */
+static struct omap_hwmod_ocp_if omap2420_mpu__l3 = {
+ .master = &omap2420_mpu_hwmod,
+ .slave = &omap2420_l3_hwmod,
+ .user = OCP_USER_MPU,
+};
+
+/* Slave interfaces on the L3 interconnect */
+static struct omap_hwmod_ocp_if *omap2420_l3_slaves[] = {
+ &omap2420_mpu__l3,
+};
+
+/* Master interfaces on the L3 interconnect */
+static struct omap_hwmod_ocp_if *omap2420_l3_masters[] = {
+ &omap2420_l3__l4_core,
+};
+
+/* L3 */
+static struct omap_hwmod omap2420_l3_hwmod = {
+ .name = "l3_hwmod",
+ .masters = omap2420_l3_masters,
+ .masters_cnt = ARRAY_SIZE(omap2420_l3_masters),
+ .slaves = omap2420_l3_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap2420_l3_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420)
+};
+
+static struct omap_hwmod omap2420_l4_wkup_hwmod;
+
+/* L4_CORE -> L4_WKUP interface */
+static struct omap_hwmod_ocp_if omap2420_l4_core__l4_wkup = {
+ .master = &omap2420_l4_core_hwmod,
+ .slave = &omap2420_l4_wkup_hwmod,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* Slave interfaces on the L4_CORE interconnect */
+static struct omap_hwmod_ocp_if *omap2420_l4_core_slaves[] = {
+ &omap2420_l3__l4_core,
+};
+
+/* Master interfaces on the L4_CORE interconnect */
+static struct omap_hwmod_ocp_if *omap2420_l4_core_masters[] = {
+ &omap2420_l4_core__l4_wkup,
+};
+
+/* L4 CORE */
+static struct omap_hwmod omap2420_l4_core_hwmod = {
+ .name = "l4_core_hwmod",
+ .masters = omap2420_l4_core_masters,
+ .masters_cnt = ARRAY_SIZE(omap2420_l4_core_masters),
+ .slaves = omap2420_l4_core_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap2420_l4_core_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420)
+};
+
+/* Slave interfaces on the L4_WKUP interconnect */
+static struct omap_hwmod_ocp_if *omap2420_l4_wkup_slaves[] = {
+ &omap2420_l4_core__l4_wkup,
+};
+
+/* Master interfaces on the L4_WKUP interconnect */
+static struct omap_hwmod_ocp_if *omap2420_l4_wkup_masters[] = {
+};
+
+/* L4 WKUP */
+static struct omap_hwmod omap2420_l4_wkup_hwmod = {
+ .name = "l4_wkup_hwmod",
+ .masters = omap2420_l4_wkup_masters,
+ .masters_cnt = ARRAY_SIZE(omap2420_l4_wkup_masters),
+ .slaves = omap2420_l4_wkup_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap2420_l4_wkup_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420)
+};
+
+/* Master interfaces on the MPU device */
+static struct omap_hwmod_ocp_if *omap2420_mpu_masters[] = {
+ &omap2420_mpu__l3,
+};
+
+/* MPU */
+static struct omap_hwmod omap2420_mpu_hwmod = {
+ .name = "mpu_hwmod",
+ .clkdev_dev_id = NULL,
+ .clkdev_con_id = "mpu_ck",
+ .masters = omap2420_mpu_masters,
+ .masters_cnt = ARRAY_SIZE(omap2420_mpu_masters),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
+};
+
+static __initdata struct omap_hwmod *omap2420_hwmods[] = {
+ &omap2420_l3_hwmod,
+ &omap2420_l4_core_hwmod,
+ &omap2420_l4_wkup_hwmod,
+ &omap2420_mpu_hwmod,
+ NULL,
+};
+
+#else
+# define omap2420_hwmods 0
+#endif
+
+#endif
+
+
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430.h b/arch/arm/mach-omap2/omap_hwmod_2430.h
new file mode 100644
index 000000000000..a412be6420ec
--- /dev/null
+++ b/arch/arm/mach-omap2/omap_hwmod_2430.h
@@ -0,0 +1,143 @@
+/*
+ * omap_hwmod_2430.h - hardware modules present on the OMAP2430 chips
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * XXX handle crossbar/shared link difference for L3?
+ *
+ */
+#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD2430_H
+#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD2430_H
+
+#ifdef CONFIG_ARCH_OMAP2430
+
+#include <mach/omap_hwmod.h>
+#include <mach/irqs.h>
+#include <mach/cpu.h>
+#include <mach/dma.h>
+
+#include "prm-regbits-24xx.h"
+
+static struct omap_hwmod omap2430_mpu_hwmod;
+static struct omap_hwmod omap2430_l3_hwmod;
+static struct omap_hwmod omap2430_l4_core_hwmod;
+
+/* L3 -> L4_CORE interface */
+static struct omap_hwmod_ocp_if omap2430_l3__l4_core = {
+ .master = &omap2430_l3_hwmod,
+ .slave = &omap2430_l4_core_hwmod,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* MPU -> L3 interface */
+static struct omap_hwmod_ocp_if omap2430_mpu__l3 = {
+ .master = &omap2430_mpu_hwmod,
+ .slave = &omap2430_l3_hwmod,
+ .user = OCP_USER_MPU,
+};
+
+/* Slave interfaces on the L3 interconnect */
+static struct omap_hwmod_ocp_if *omap2430_l3_slaves[] = {
+ &omap2430_mpu__l3,
+};
+
+/* Master interfaces on the L3 interconnect */
+static struct omap_hwmod_ocp_if *omap2430_l3_masters[] = {
+ &omap2430_l3__l4_core,
+};
+
+/* L3 */
+static struct omap_hwmod omap2430_l3_hwmod = {
+ .name = "l3_hwmod",
+ .masters = omap2430_l3_masters,
+ .masters_cnt = ARRAY_SIZE(omap2430_l3_masters),
+ .slaves = omap2430_l3_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap2430_l3_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430)
+};
+
+static struct omap_hwmod omap2430_l4_wkup_hwmod;
+static struct omap_hwmod omap2430_mmc1_hwmod;
+static struct omap_hwmod omap2430_mmc2_hwmod;
+
+/* L4_CORE -> L4_WKUP interface */
+static struct omap_hwmod_ocp_if omap2430_l4_core__l4_wkup = {
+ .master = &omap2430_l4_core_hwmod,
+ .slave = &omap2430_l4_wkup_hwmod,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* Slave interfaces on the L4_CORE interconnect */
+static struct omap_hwmod_ocp_if *omap2430_l4_core_slaves[] = {
+ &omap2430_l3__l4_core,
+};
+
+/* Master interfaces on the L4_CORE interconnect */
+static struct omap_hwmod_ocp_if *omap2430_l4_core_masters[] = {
+ &omap2430_l4_core__l4_wkup,
+};
+
+/* L4 CORE */
+static struct omap_hwmod omap2430_l4_core_hwmod = {
+ .name = "l4_core_hwmod",
+ .masters = omap2430_l4_core_masters,
+ .masters_cnt = ARRAY_SIZE(omap2430_l4_core_masters),
+ .slaves = omap2430_l4_core_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap2430_l4_core_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430)
+};
+
+/* Slave interfaces on the L4_WKUP interconnect */
+static struct omap_hwmod_ocp_if *omap2430_l4_wkup_slaves[] = {
+ &omap2430_l4_core__l4_wkup,
+};
+
+/* Master interfaces on the L4_WKUP interconnect */
+static struct omap_hwmod_ocp_if *omap2430_l4_wkup_masters[] = {
+};
+
+/* L4 WKUP */
+static struct omap_hwmod omap2430_l4_wkup_hwmod = {
+ .name = "l4_wkup_hwmod",
+ .masters = omap2430_l4_wkup_masters,
+ .masters_cnt = ARRAY_SIZE(omap2430_l4_wkup_masters),
+ .slaves = omap2430_l4_wkup_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap2430_l4_wkup_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430)
+};
+
+/* Master interfaces on the MPU device */
+static struct omap_hwmod_ocp_if *omap2430_mpu_masters[] = {
+ &omap2430_mpu__l3,
+};
+
+/* MPU */
+static struct omap_hwmod omap2430_mpu_hwmod = {
+ .name = "mpu_hwmod",
+ .clkdev_dev_id = NULL,
+ .clkdev_con_id = "mpu_ck",
+ .masters = omap2430_mpu_masters,
+ .masters_cnt = ARRAY_SIZE(omap2430_mpu_masters),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
+};
+
+static __initdata struct omap_hwmod *omap2430_hwmods[] = {
+ &omap2430_l3_hwmod,
+ &omap2430_l4_core_hwmod,
+ &omap2430_l4_wkup_hwmod,
+ &omap2430_mpu_hwmod,
+ NULL,
+};
+
+#else
+# define omap2430_hwmods 0
+#endif
+
+#endif
+
+
diff --git a/arch/arm/mach-omap2/omap_hwmod_34xx.h b/arch/arm/mach-omap2/omap_hwmod_34xx.h
new file mode 100644
index 000000000000..1e069f831575
--- /dev/null
+++ b/arch/arm/mach-omap2/omap_hwmod_34xx.h
@@ -0,0 +1,168 @@
+/*
+ * omap_hwmod_34xx.h - hardware modules present on the OMAP34xx chips
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD34XX_H
+#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD34XX_H
+
+#ifdef CONFIG_ARCH_OMAP34XX
+
+#include <mach/omap_hwmod.h>
+#include <mach/irqs.h>
+#include <mach/cpu.h>
+#include <mach/dma.h>
+
+#include "prm-regbits-34xx.h"
+
+static struct omap_hwmod omap34xx_mpu_hwmod;
+static struct omap_hwmod omap34xx_l3_hwmod;
+static struct omap_hwmod omap34xx_l4_core_hwmod;
+static struct omap_hwmod omap34xx_l4_per_hwmod;
+
+/* L3 -> L4_CORE interface */
+static struct omap_hwmod_ocp_if omap34xx_l3__l4_core = {
+ .master = &omap34xx_l3_hwmod,
+ .slave = &omap34xx_l4_core_hwmod,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* L3 -> L4_PER interface */
+static struct omap_hwmod_ocp_if omap34xx_l3__l4_per = {
+ .master = &omap34xx_l3_hwmod,
+ .slave = &omap34xx_l4_per_hwmod,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* MPU -> L3 interface */
+static struct omap_hwmod_ocp_if omap34xx_mpu__l3 = {
+ .master = &omap34xx_mpu_hwmod,
+ .slave = &omap34xx_l3_hwmod,
+ .user = OCP_USER_MPU,
+};
+
+/* Slave interfaces on the L3 interconnect */
+static struct omap_hwmod_ocp_if *omap34xx_l3_slaves[] = {
+ &omap34xx_mpu__l3,
+};
+
+/* Master interfaces on the L3 interconnect */
+static struct omap_hwmod_ocp_if *omap34xx_l3_masters[] = {
+ &omap34xx_l3__l4_core,
+ &omap34xx_l3__l4_per,
+};
+
+/* L3 */
+static struct omap_hwmod omap34xx_l3_hwmod = {
+ .name = "l3_hwmod",
+ .masters = omap34xx_l3_masters,
+ .masters_cnt = ARRAY_SIZE(omap34xx_l3_masters),
+ .slaves = omap34xx_l3_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap34xx_l3_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+};
+
+static struct omap_hwmod omap34xx_l4_wkup_hwmod;
+
+/* L4_CORE -> L4_WKUP interface */
+static struct omap_hwmod_ocp_if omap34xx_l4_core__l4_wkup = {
+ .master = &omap34xx_l4_core_hwmod,
+ .slave = &omap34xx_l4_wkup_hwmod,
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* Slave interfaces on the L4_CORE interconnect */
+static struct omap_hwmod_ocp_if *omap34xx_l4_core_slaves[] = {
+ &omap34xx_l3__l4_core,
+};
+
+/* Master interfaces on the L4_CORE interconnect */
+static struct omap_hwmod_ocp_if *omap34xx_l4_core_masters[] = {
+ &omap34xx_l4_core__l4_wkup,
+};
+
+/* L4 CORE */
+static struct omap_hwmod omap34xx_l4_core_hwmod = {
+ .name = "l4_core_hwmod",
+ .masters = omap34xx_l4_core_masters,
+ .masters_cnt = ARRAY_SIZE(omap34xx_l4_core_masters),
+ .slaves = omap34xx_l4_core_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap34xx_l4_core_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+};
+
+/* Slave interfaces on the L4_PER interconnect */
+static struct omap_hwmod_ocp_if *omap34xx_l4_per_slaves[] = {
+ &omap34xx_l3__l4_per,
+};
+
+/* Master interfaces on the L4_PER interconnect */
+static struct omap_hwmod_ocp_if *omap34xx_l4_per_masters[] = {
+};
+
+/* L4 PER */
+static struct omap_hwmod omap34xx_l4_per_hwmod = {
+ .name = "l4_per_hwmod",
+ .masters = omap34xx_l4_per_masters,
+ .masters_cnt = ARRAY_SIZE(omap34xx_l4_per_masters),
+ .slaves = omap34xx_l4_per_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap34xx_l4_per_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+};
+
+/* Slave interfaces on the L4_WKUP interconnect */
+static struct omap_hwmod_ocp_if *omap34xx_l4_wkup_slaves[] = {
+ &omap34xx_l4_core__l4_wkup,
+};
+
+/* Master interfaces on the L4_WKUP interconnect */
+static struct omap_hwmod_ocp_if *omap34xx_l4_wkup_masters[] = {
+};
+
+/* L4 WKUP */
+static struct omap_hwmod omap34xx_l4_wkup_hwmod = {
+ .name = "l4_wkup_hwmod",
+ .masters = omap34xx_l4_wkup_masters,
+ .masters_cnt = ARRAY_SIZE(omap34xx_l4_wkup_masters),
+ .slaves = omap34xx_l4_wkup_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap34xx_l4_wkup_slaves),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+};
+
+/* Master interfaces on the MPU device */
+static struct omap_hwmod_ocp_if *omap34xx_mpu_masters[] = {
+ &omap34xx_mpu__l3,
+};
+
+/* MPU */
+static struct omap_hwmod omap34xx_mpu_hwmod = {
+ .name = "mpu_hwmod",
+ .clkdev_dev_id = NULL,
+ .clkdev_con_id = "arm_fck",
+ .masters = omap34xx_mpu_masters,
+ .masters_cnt = ARRAY_SIZE(omap34xx_mpu_masters),
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+};
+
+static __initdata struct omap_hwmod *omap34xx_hwmods[] = {
+ &omap34xx_l3_hwmod,
+ &omap34xx_l4_core_hwmod,
+ &omap34xx_l4_per_hwmod,
+ &omap34xx_l4_wkup_hwmod,
+ &omap34xx_mpu_hwmod,
+ NULL,
+};
+
+#else
+# define omap34xx_hwmods 0
+#endif
+
+#endif
+
+
--
GitLab
From b04b65ab5b4fc86af073424af6295be4e067adf3 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 3 Sep 2009 20:14:05 +0300
Subject: [PATCH 478/742] OMAP2/3/4 core: create omap_device layer
The omap_device code provides a mapping of omap_hwmod structures into
the platform_device system, and includes some details on external
(board-level) integration. This allows drivers to enable, idle, and
shutdown on-chip device resources, including clocks, regulators, etc.
The resources enabled and idled are dependent on the device's maximum
wakeup latency constraint (if present).
At the moment, omap_device functions are intended to be called from
platform_data function pointers. Ideally in the future these
functions will be called from either subarchitecture-specific
platform_data activate, deactivate functions, or via an custom
bus/device type for OMAP.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Vikram Pandita <vikram.pandita@ti.com>
Cc: Sakari Poussa <sakari.poussa@nokia.com>
Cc: Anand Sawant <sawant@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Eric Thomas <ethomas@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
---
arch/arm/plat-omap/Makefile | 4 +
arch/arm/plat-omap/include/mach/omap_device.h | 141 ++++
arch/arm/plat-omap/omap_device.c | 687 ++++++++++++++++++
3 files changed, 832 insertions(+)
create mode 100644 arch/arm/plat-omap/include/mach/omap_device.h
create mode 100644 arch/arm/plat-omap/omap_device.c
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index 5e10d0a2eb8d..98f01910c2cf 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -12,6 +12,10 @@ obj- :=
# OCPI interconnect support for 1710, 1610 and 5912
obj-$(CONFIG_ARCH_OMAP16XX) += ocpi.o
+# omap_device support (OMAP2+ only at the moment)
+obj-$(CONFIG_ARCH_OMAP2) += omap_device.o
+obj-$(CONFIG_ARCH_OMAP3) += omap_device.o
+
obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
obj-$(CONFIG_OMAP_IOMMU) += iommu.o iovmm.o
obj-$(CONFIG_OMAP_IOMMU_DEBUG) += iommu-debug.o
diff --git a/arch/arm/plat-omap/include/mach/omap_device.h b/arch/arm/plat-omap/include/mach/omap_device.h
new file mode 100644
index 000000000000..bd0e136db337
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/omap_device.h
@@ -0,0 +1,141 @@
+/*
+ * omap_device headers
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * Developed in collaboration with (alphabetical order): Benoit
+ * Cousson, Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram
+ * Pandita, Sakari Poussa, Anand Sawant, Santosh Shilimkar, Richard
+ * Woodruff
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Eventually this type of functionality should either be
+ * a) implemented via arch-specific pointers in platform_device
+ * or
+ * b) implemented as a proper omap_bus/omap_device in Linux, no more
+ * platform_device
+ *
+ * omap_device differs from omap_hwmod in that it includes external
+ * (e.g., board- and system-level) integration details. omap_hwmod
+ * stores hardware data that is invariant for a given OMAP chip.
+ *
+ * To do:
+ * - GPIO integration
+ * - regulator integration
+ *
+ */
+#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H
+#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <mach/omap_hwmod.h>
+
+/* omap_device._state values */
+#define OMAP_DEVICE_STATE_UNKNOWN 0
+#define OMAP_DEVICE_STATE_ENABLED 1
+#define OMAP_DEVICE_STATE_IDLE 2
+#define OMAP_DEVICE_STATE_SHUTDOWN 3
+
+/**
+ * struct omap_device - omap_device wrapper for platform_devices
+ * @pdev: platform_device
+ * @hwmods: (one .. many per omap_device)
+ * @hwmods_cnt: ARRAY_SIZE() of @hwmods
+ * @pm_lats: ptr to an omap_device_pm_latency table
+ * @pm_lats_cnt: ARRAY_SIZE() of what is passed to @pm_lats
+ * @pm_lat_level: array index of the last odpl entry executed - -1 if never
+ * @dev_wakeup_lat: dev wakeup latency in microseconds
+ * @_dev_wakeup_lat_limit: dev wakeup latency limit in usec - set by OMAP PM
+ * @_state: one of OMAP_DEVICE_STATE_* (see above)
+ * @flags: device flags
+ *
+ * Integrates omap_hwmod data into Linux platform_device.
+ *
+ * Field names beginning with underscores are for the internal use of
+ * the omap_device code.
+ *
+ */
+struct omap_device {
+ struct platform_device pdev;
+ struct omap_hwmod **hwmods;
+ struct omap_device_pm_latency *pm_lats;
+ u32 dev_wakeup_lat;
+ u32 _dev_wakeup_lat_limit;
+ u8 pm_lats_cnt;
+ s8 pm_lat_level;
+ u8 hwmods_cnt;
+ u8 _state;
+};
+
+/* Device driver interface (call via platform_data fn ptrs) */
+
+int omap_device_enable(struct platform_device *pdev);
+int omap_device_idle(struct platform_device *pdev);
+int omap_device_shutdown(struct platform_device *pdev);
+
+/* Core code interface */
+
+int omap_device_count_resources(struct omap_device *od);
+int omap_device_fill_resources(struct omap_device *od, struct resource *res);
+
+struct omap_device *omap_device_build(const char *pdev_name, int pdev_id,
+ struct omap_hwmod *oh, void *pdata,
+ int pdata_len,
+ struct omap_device_pm_latency *pm_lats,
+ int pm_lats_cnt);
+
+struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
+ struct omap_hwmod **oh, int oh_cnt,
+ void *pdata, int pdata_len,
+ struct omap_device_pm_latency *pm_lats,
+ int pm_lats_cnt);
+
+int omap_device_register(struct omap_device *od);
+
+/* OMAP PM interface */
+int omap_device_align_pm_lat(struct platform_device *pdev,
+ u32 new_wakeup_lat_limit);
+struct powerdomain *omap_device_get_pwrdm(struct omap_device *od);
+
+/* Other */
+
+int omap_device_idle_hwmods(struct omap_device *od);
+int omap_device_enable_hwmods(struct omap_device *od);
+
+int omap_device_disable_clocks(struct omap_device *od);
+int omap_device_enable_clocks(struct omap_device *od);
+
+
+/*
+ * Entries should be kept in latency order ascending
+ *
+ * deact_lat is the maximum number of microseconds required to complete
+ * deactivate_func() at the device's slowest OPP.
+ *
+ * act_lat is the maximum number of microseconds required to complete
+ * activate_func() at the device's slowest OPP.
+ *
+ * This will result in some suboptimal power management decisions at fast
+ * OPPs, but avoids having to recompute all device power management decisions
+ * if the system shifts from a fast OPP to a slow OPP (in order to meet
+ * latency requirements).
+ *
+ * XXX should deactivate_func/activate_func() take platform_device pointers
+ * rather than omap_device pointers?
+ */
+struct omap_device_pm_latency {
+ u32 deactivate_lat;
+ int (*deactivate_func)(struct omap_device *od);
+ u32 activate_lat;
+ int (*activate_func)(struct omap_device *od);
+};
+
+
+#endif
+
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
new file mode 100644
index 000000000000..2c409fc6dd21
--- /dev/null
+++ b/arch/arm/plat-omap/omap_device.c
@@ -0,0 +1,687 @@
+/*
+ * omap_device implementation
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ * Paul Walmsley
+ *
+ * Developed in collaboration with (alphabetical order): Benoit
+ * Cousson, Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram
+ * Pandita, Sakari Poussa, Anand Sawant, Santosh Shilimkar, Richard
+ * Woodruff
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This code provides a consistent interface for OMAP device drivers
+ * to control power management and interconnect properties of their
+ * devices.
+ *
+ * In the medium- to long-term, this code should either be
+ * a) implemented via arch-specific pointers in platform_data
+ * or
+ * b) implemented as a proper omap_bus/omap_device in Linux, no more
+ * platform_data func pointers
+ *
+ *
+ * Guidelines for usage by driver authors:
+ *
+ * 1. These functions are intended to be used by device drivers via
+ * function pointers in struct platform_data. As an example,
+ * omap_device_enable() should be passed to the driver as
+ *
+ * struct foo_driver_platform_data {
+ * ...
+ * int (*device_enable)(struct platform_device *pdev);
+ * ...
+ * }
+ *
+ * Note that the generic "device_enable" name is used, rather than
+ * "omap_device_enable". This is so other architectures can pass in their
+ * own enable/disable functions here.
+ *
+ * This should be populated during device setup:
+ *
+ * ...
+ * pdata->device_enable = omap_device_enable;
+ * ...
+ *
+ * 2. Drivers should first check to ensure the function pointer is not null
+ * before calling it, as in:
+ *
+ * if (pdata->device_enable)
+ * pdata->device_enable(pdev);
+ *
+ * This allows other architectures that don't use similar device_enable()/
+ * device_shutdown() functions to execute normally.
+ *
+ * ...
+ *
+ * Suggested usage by device drivers:
+ *
+ * During device initialization:
+ * device_enable()
+ *
+ * During device idle:
+ * (save remaining device context if necessary)
+ * device_idle();
+ *
+ * During device resume:
+ * device_enable();
+ * (restore context if necessary)
+ *
+ * During device shutdown:
+ * device_shutdown()
+ * (device must be reinitialized at this point to use it again)
+ *
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <mach/omap_device.h>
+#include <mach/omap_hwmod.h>
+
+/* These parameters are passed to _omap_device_{de,}activate() */
+#define USE_WAKEUP_LAT 0
+#define IGNORE_WAKEUP_LAT 1
+
+/* XXX this should be moved into a separate file */
+#if defined(CONFIG_ARCH_OMAP2420)
+# define OMAP_32KSYNCT_BASE 0x48004000
+#elif defined(CONFIG_ARCH_OMAP2430)
+# define OMAP_32KSYNCT_BASE 0x49020000
+#elif defined(CONFIG_ARCH_OMAP3430)
+# define OMAP_32KSYNCT_BASE 0x48320000
+#else
+# error Unknown OMAP device
+#endif
+
+/* Private functions */
+
+/**
+ * _read_32ksynct - read the OMAP 32K sync timer
+ *
+ * Returns the current value of the 32KiHz synchronization counter.
+ * XXX this should be generalized to simply read the system clocksource.
+ * XXX this should be moved to a separate synctimer32k.c file
+ */
+static u32 _read_32ksynct(void)
+{
+ if (!cpu_class_is_omap2())
+ BUG();
+
+ return __raw_readl(OMAP2_IO_ADDRESS(OMAP_32KSYNCT_BASE + 0x010));
+}
+
+/**
+ * _omap_device_activate - increase device readiness
+ * @od: struct omap_device *
+ * @ignore_lat: increase to latency target (0) or full readiness (1)?
+ *
+ * Increase readiness of omap_device @od (thus decreasing device
+ * wakeup latency, but consuming more power). If @ignore_lat is
+ * IGNORE_WAKEUP_LAT, make the omap_device fully active. Otherwise,
+ * if @ignore_lat is USE_WAKEUP_LAT, and the device's maximum wakeup
+ * latency is greater than the requested maximum wakeup latency, step
+ * backwards in the omap_device_pm_latency table to ensure the
+ * device's maximum wakeup latency is less than or equal to the
+ * requested maximum wakeup latency. Returns 0.
+ */
+static int _omap_device_activate(struct omap_device *od, u8 ignore_lat)
+{
+ u32 a, b;
+
+ pr_debug("omap_device: %s: activating\n", od->pdev.name);
+
+ while (od->pm_lat_level > 0) {
+ struct omap_device_pm_latency *odpl;
+ int act_lat = 0;
+
+ od->pm_lat_level--;
+
+ odpl = od->pm_lats + od->pm_lat_level;
+
+ if (!ignore_lat &&
+ (od->dev_wakeup_lat <= od->_dev_wakeup_lat_limit))
+ break;
+
+ a = _read_32ksynct();
+
+ /* XXX check return code */
+ odpl->activate_func(od);
+
+ b = _read_32ksynct();
+
+ act_lat = (b - a) >> 15; /* 32KiHz cycles to microseconds */
+
+ pr_debug("omap_device: %s: pm_lat %d: activate: elapsed time "
+ "%d usec\n", od->pdev.name, od->pm_lat_level, act_lat);
+
+ WARN(act_lat > odpl->activate_lat, "omap_device: %s.%d: "
+ "activate step %d took longer than expected (%d > %d)\n",
+ od->pdev.name, od->pdev.id, od->pm_lat_level,
+ act_lat, odpl->activate_lat);
+
+ od->dev_wakeup_lat -= odpl->activate_lat;
+ }
+
+ return 0;
+}
+
+/**
+ * _omap_device_deactivate - decrease device readiness
+ * @od: struct omap_device *
+ * @ignore_lat: decrease to latency target (0) or full inactivity (1)?
+ *
+ * Decrease readiness of omap_device @od (thus increasing device
+ * wakeup latency, but conserving power). If @ignore_lat is
+ * IGNORE_WAKEUP_LAT, make the omap_device fully inactive. Otherwise,
+ * if @ignore_lat is USE_WAKEUP_LAT, and the device's maximum wakeup
+ * latency is less than the requested maximum wakeup latency, step
+ * forwards in the omap_device_pm_latency table to ensure the device's
+ * maximum wakeup latency is less than or equal to the requested
+ * maximum wakeup latency. Returns 0.
+ */
+static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat)
+{
+ u32 a, b;
+
+ pr_debug("omap_device: %s: deactivating\n", od->pdev.name);
+
+ while (od->pm_lat_level < od->pm_lats_cnt) {
+ struct omap_device_pm_latency *odpl;
+ int deact_lat = 0;
+
+ odpl = od->pm_lats + od->pm_lat_level;
+
+ if (!ignore_lat &&
+ ((od->dev_wakeup_lat + odpl->activate_lat) >
+ od->_dev_wakeup_lat_limit))
+ break;
+
+ a = _read_32ksynct();
+
+ /* XXX check return code */
+ odpl->deactivate_func(od);
+
+ b = _read_32ksynct();
+
+ deact_lat = (b - a) >> 15; /* 32KiHz cycles to microseconds */
+
+ pr_debug("omap_device: %s: pm_lat %d: deactivate: elapsed time "
+ "%d usec\n", od->pdev.name, od->pm_lat_level,
+ deact_lat);
+
+ WARN(deact_lat > odpl->deactivate_lat, "omap_device: %s.%d: "
+ "deactivate step %d took longer than expected (%d > %d)\n",
+ od->pdev.name, od->pdev.id, od->pm_lat_level,
+ deact_lat, odpl->deactivate_lat);
+
+ od->dev_wakeup_lat += odpl->activate_lat;
+
+ od->pm_lat_level++;
+ }
+
+ return 0;
+}
+
+static inline struct omap_device *_find_by_pdev(struct platform_device *pdev)
+{
+ return container_of(pdev, struct omap_device, pdev);
+}
+
+
+/* Public functions for use by core code */
+
+/**
+ * omap_device_count_resources - count number of struct resource entries needed
+ * @od: struct omap_device *
+ *
+ * Count the number of struct resource entries needed for this
+ * omap_device @od. Used by omap_device_build_ss() to determine how
+ * much memory to allocate before calling
+ * omap_device_fill_resources(). Returns the count.
+ */
+int omap_device_count_resources(struct omap_device *od)
+{
+ struct omap_hwmod *oh;
+ int c = 0;
+ int i;
+
+ for (i = 0, oh = *od->hwmods; i < od->hwmods_cnt; i++, oh++)
+ c += omap_hwmod_count_resources(oh);
+
+ pr_debug("omap_device: %s: counted %d total resources across %d "
+ "hwmods\n", od->pdev.name, c, od->hwmods_cnt);
+
+ return c;
+}
+
+/**
+ * omap_device_fill_resources - fill in array of struct resource
+ * @od: struct omap_device *
+ * @res: pointer to an array of struct resource to be filled in
+ *
+ * Populate one or more empty struct resource pointed to by @res with
+ * the resource data for this omap_device @od. Used by
+ * omap_device_build_ss() after calling omap_device_count_resources().
+ * Ideally this function would not be needed at all. If omap_device
+ * replaces platform_device, then we can specify our own
+ * get_resource()/ get_irq()/etc functions that use the underlying
+ * omap_hwmod information. Or if platform_device is extended to use
+ * subarchitecture-specific function pointers, the various
+ * platform_device functions can simply call omap_device internal
+ * functions to get device resources. Hacking around the existing
+ * platform_device code wastes memory. Returns 0.
+ */
+int omap_device_fill_resources(struct omap_device *od, struct resource *res)
+{
+ struct omap_hwmod *oh;
+ int c = 0;
+ int i, r;
+
+ for (i = 0, oh = *od->hwmods; i < od->hwmods_cnt; i++, oh++) {
+ r = omap_hwmod_fill_resources(oh, res);
+ res += r;
+ c += r;
+ }
+
+ return 0;
+}
+
+/**
+ * omap_device_build - build and register an omap_device with one omap_hwmod
+ * @pdev_name: name of the platform_device driver to use
+ * @pdev_id: this platform_device's connection ID
+ * @oh: ptr to the single omap_hwmod that backs this omap_device
+ * @pdata: platform_data ptr to associate with the platform_device
+ * @pdata_len: amount of memory pointed to by @pdata
+ * @pm_lats: pointer to a omap_device_pm_latency array for this device
+ * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats
+ *
+ * Convenience function for building and registering a single
+ * omap_device record, which in turn builds and registers a
+ * platform_device record. See omap_device_build_ss() for more
+ * information. Returns ERR_PTR(-EINVAL) if @oh is NULL; otherwise,
+ * passes along the return value of omap_device_build_ss().
+ */
+struct omap_device *omap_device_build(const char *pdev_name, int pdev_id,
+ struct omap_hwmod *oh, void *pdata,
+ int pdata_len,
+ struct omap_device_pm_latency *pm_lats,
+ int pm_lats_cnt)
+{
+ struct omap_hwmod *ohs[] = { oh };
+
+ if (!oh)
+ return ERR_PTR(-EINVAL);
+
+ return omap_device_build_ss(pdev_name, pdev_id, ohs, 1, pdata,
+ pdata_len, pm_lats, pm_lats_cnt);
+}
+
+/**
+ * omap_device_build_ss - build and register an omap_device with multiple hwmods
+ * @pdev_name: name of the platform_device driver to use
+ * @pdev_id: this platform_device's connection ID
+ * @oh: ptr to the single omap_hwmod that backs this omap_device
+ * @pdata: platform_data ptr to associate with the platform_device
+ * @pdata_len: amount of memory pointed to by @pdata
+ * @pm_lats: pointer to a omap_device_pm_latency array for this device
+ * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats
+ *
+ * Convenience function for building and registering an omap_device
+ * subsystem record. Subsystem records consist of multiple
+ * omap_hwmods. This function in turn builds and registers a
+ * platform_device record. Returns an ERR_PTR() on error, or passes
+ * along the return value of omap_device_register().
+ */
+struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
+ struct omap_hwmod **ohs, int oh_cnt,
+ void *pdata, int pdata_len,
+ struct omap_device_pm_latency *pm_lats,
+ int pm_lats_cnt)
+{
+ int ret = -ENOMEM;
+ struct omap_device *od;
+ char *pdev_name2;
+ struct resource *res = NULL;
+ int res_count;
+ struct omap_hwmod **hwmods;
+
+ if (!ohs || oh_cnt == 0 || !pdev_name)
+ return ERR_PTR(-EINVAL);
+
+ if (!pdata && pdata_len > 0)
+ return ERR_PTR(-EINVAL);
+
+ pr_debug("omap_device: %s: building with %d hwmods\n", pdev_name,
+ oh_cnt);
+
+ od = kzalloc(sizeof(struct omap_device), GFP_KERNEL);
+ if (!od)
+ return ERR_PTR(-ENOMEM);
+
+ od->hwmods_cnt = oh_cnt;
+
+ hwmods = kzalloc(sizeof(struct omap_hwmod *) * oh_cnt,
+ GFP_KERNEL);
+ if (!hwmods)
+ goto odbs_exit1;
+
+ memcpy(hwmods, ohs, sizeof(struct omap_hwmod *) * oh_cnt);
+ od->hwmods = hwmods;
+
+ pdev_name2 = kzalloc(strlen(pdev_name) + 1, GFP_KERNEL);
+ if (!pdev_name2)
+ goto odbs_exit2;
+ strcpy(pdev_name2, pdev_name);
+
+ od->pdev.name = pdev_name2;
+ od->pdev.id = pdev_id;
+
+ res_count = omap_device_count_resources(od);
+ if (res_count > 0) {
+ res = kzalloc(sizeof(struct resource) * res_count, GFP_KERNEL);
+ if (!res)
+ goto odbs_exit3;
+ }
+ omap_device_fill_resources(od, res);
+
+ od->pdev.num_resources = res_count;
+ od->pdev.resource = res;
+
+ platform_device_add_data(&od->pdev, pdata, pdata_len);
+
+ od->pm_lats = pm_lats;
+ od->pm_lats_cnt = pm_lats_cnt;
+
+ ret = omap_device_register(od);
+ if (ret)
+ goto odbs_exit4;
+
+ return od;
+
+odbs_exit4:
+ kfree(res);
+odbs_exit3:
+ kfree(pdev_name2);
+odbs_exit2:
+ kfree(hwmods);
+odbs_exit1:
+ kfree(od);
+
+ pr_err("omap_device: %s: build failed (%d)\n", pdev_name, ret);
+
+ return ERR_PTR(ret);
+}
+
+/**
+ * omap_device_register - register an omap_device with one omap_hwmod
+ * @od: struct omap_device * to register
+ *
+ * Register the omap_device structure. This currently just calls
+ * platform_device_register() on the underlying platform_device.
+ * Returns the return value of platform_device_register().
+ */
+int omap_device_register(struct omap_device *od)
+{
+ pr_debug("omap_device: %s: registering\n", od->pdev.name);
+
+ return platform_device_register(&od->pdev);
+}
+
+
+/* Public functions for use by device drivers through struct platform_data */
+
+/**
+ * omap_device_enable - fully activate an omap_device
+ * @od: struct omap_device * to activate
+ *
+ * Do whatever is necessary for the hwmods underlying omap_device @od
+ * to be accessible and ready to operate. This generally involves
+ * enabling clocks, setting SYSCONFIG registers; and in the future may
+ * involve remuxing pins. Device drivers should call this function
+ * (through platform_data function pointers) where they would normally
+ * enable clocks, etc. Returns -EINVAL if called when the omap_device
+ * is already enabled, or passes along the return value of
+ * _omap_device_activate().
+ */
+int omap_device_enable(struct platform_device *pdev)
+{
+ int ret;
+ struct omap_device *od;
+
+ od = _find_by_pdev(pdev);
+
+ if (od->_state == OMAP_DEVICE_STATE_ENABLED) {
+ WARN(1, "omap_device: %s.%d: omap_device_enable() called from "
+ "invalid state\n", od->pdev.name, od->pdev.id);
+ return -EINVAL;
+ }
+
+ /* Enable everything if we're enabling this device from scratch */
+ if (od->_state == OMAP_DEVICE_STATE_UNKNOWN)
+ od->pm_lat_level = od->pm_lats_cnt;
+
+ ret = _omap_device_activate(od, IGNORE_WAKEUP_LAT);
+
+ od->dev_wakeup_lat = 0;
+ od->_dev_wakeup_lat_limit = INT_MAX;
+ od->_state = OMAP_DEVICE_STATE_ENABLED;
+
+ return ret;
+}
+
+/**
+ * omap_device_idle - idle an omap_device
+ * @od: struct omap_device * to idle
+ *
+ * Idle omap_device @od by calling as many .deactivate_func() entries
+ * in the omap_device's pm_lats table as is possible without exceeding
+ * the device's maximum wakeup latency limit, pm_lat_limit. Device
+ * drivers should call this function (through platform_data function
+ * pointers) where they would normally disable clocks after operations
+ * complete, etc.. Returns -EINVAL if the omap_device is not
+ * currently enabled, or passes along the return value of
+ * _omap_device_deactivate().
+ */
+int omap_device_idle(struct platform_device *pdev)
+{
+ int ret;
+ struct omap_device *od;
+
+ od = _find_by_pdev(pdev);
+
+ if (od->_state != OMAP_DEVICE_STATE_ENABLED) {
+ WARN(1, "omap_device: %s.%d: omap_device_idle() called from "
+ "invalid state\n", od->pdev.name, od->pdev.id);
+ return -EINVAL;
+ }
+
+ ret = _omap_device_deactivate(od, USE_WAKEUP_LAT);
+
+ od->_state = OMAP_DEVICE_STATE_IDLE;
+
+ return ret;
+}
+
+/**
+ * omap_device_shutdown - shut down an omap_device
+ * @od: struct omap_device * to shut down
+ *
+ * Shut down omap_device @od by calling all .deactivate_func() entries
+ * in the omap_device's pm_lats table and then shutting down all of
+ * the underlying omap_hwmods. Used when a device is being "removed"
+ * or a device driver is being unloaded. Returns -EINVAL if the
+ * omap_device is not currently enabled or idle, or passes along the
+ * return value of _omap_device_deactivate().
+ */
+int omap_device_shutdown(struct platform_device *pdev)
+{
+ int ret, i;
+ struct omap_device *od;
+ struct omap_hwmod *oh;
+
+ od = _find_by_pdev(pdev);
+
+ if (od->_state != OMAP_DEVICE_STATE_ENABLED &&
+ od->_state != OMAP_DEVICE_STATE_IDLE) {
+ WARN(1, "omap_device: %s.%d: omap_device_shutdown() called "
+ "from invalid state\n", od->pdev.name, od->pdev.id);
+ return -EINVAL;
+ }
+
+ ret = _omap_device_deactivate(od, IGNORE_WAKEUP_LAT);
+
+ for (i = 0, oh = *od->hwmods; i < od->hwmods_cnt; i++, oh++)
+ omap_hwmod_shutdown(oh);
+
+ od->_state = OMAP_DEVICE_STATE_SHUTDOWN;
+
+ return ret;
+}
+
+/**
+ * omap_device_align_pm_lat - activate/deactivate device to match wakeup lat lim
+ * @od: struct omap_device *
+ *
+ * When a device's maximum wakeup latency limit changes, call some of
+ * the .activate_func or .deactivate_func function pointers in the
+ * omap_device's pm_lats array to ensure that the device's maximum
+ * wakeup latency is less than or equal to the new latency limit.
+ * Intended to be called by OMAP PM code whenever a device's maximum
+ * wakeup latency limit changes (e.g., via
+ * omap_pm_set_dev_wakeup_lat()). Returns 0 if nothing needs to be
+ * done (e.g., if the omap_device is not currently idle, or if the
+ * wakeup latency is already current with the new limit) or passes
+ * along the return value of _omap_device_deactivate() or
+ * _omap_device_activate().
+ */
+int omap_device_align_pm_lat(struct platform_device *pdev,
+ u32 new_wakeup_lat_limit)
+{
+ int ret = -EINVAL;
+ struct omap_device *od;
+
+ od = _find_by_pdev(pdev);
+
+ if (new_wakeup_lat_limit == od->dev_wakeup_lat)
+ return 0;
+
+ od->_dev_wakeup_lat_limit = new_wakeup_lat_limit;
+
+ if (od->_state != OMAP_DEVICE_STATE_IDLE)
+ return 0;
+ else if (new_wakeup_lat_limit > od->dev_wakeup_lat)
+ ret = _omap_device_deactivate(od, USE_WAKEUP_LAT);
+ else if (new_wakeup_lat_limit < od->dev_wakeup_lat)
+ ret = _omap_device_activate(od, USE_WAKEUP_LAT);
+
+ return ret;
+}
+
+/**
+ * omap_device_get_pwrdm - return the powerdomain * associated with @od
+ * @od: struct omap_device *
+ *
+ * Return the powerdomain associated with the first underlying
+ * omap_hwmod for this omap_device. Intended for use by core OMAP PM
+ * code. Returns NULL on error or a struct powerdomain * upon
+ * success.
+ */
+struct powerdomain *omap_device_get_pwrdm(struct omap_device *od)
+{
+ /*
+ * XXX Assumes that all omap_hwmod powerdomains are identical.
+ * This may not necessarily be true. There should be a sanity
+ * check in here to WARN() if any difference appears.
+ */
+ if (!od->hwmods_cnt)
+ return NULL;
+
+ return omap_hwmod_get_pwrdm(od->hwmods[0]);
+}
+
+/*
+ * Public functions intended for use in omap_device_pm_latency
+ * .activate_func and .deactivate_func function pointers
+ */
+
+/**
+ * omap_device_enable_hwmods - call omap_hwmod_enable() on all hwmods
+ * @od: struct omap_device *od
+ *
+ * Enable all underlying hwmods. Returns 0.
+ */
+int omap_device_enable_hwmods(struct omap_device *od)
+{
+ struct omap_hwmod *oh;
+ int i;
+
+ for (i = 0, oh = *od->hwmods; i < od->hwmods_cnt; i++, oh++)
+ omap_hwmod_enable(oh);
+
+ /* XXX pass along return value here? */
+ return 0;
+}
+
+/**
+ * omap_device_idle_hwmods - call omap_hwmod_idle() on all hwmods
+ * @od: struct omap_device *od
+ *
+ * Idle all underlying hwmods. Returns 0.
+ */
+int omap_device_idle_hwmods(struct omap_device *od)
+{
+ struct omap_hwmod *oh;
+ int i;
+
+ for (i = 0, oh = *od->hwmods; i < od->hwmods_cnt; i++, oh++)
+ omap_hwmod_idle(oh);
+
+ /* XXX pass along return value here? */
+ return 0;
+}
+
+/**
+ * omap_device_disable_clocks - disable all main and interface clocks
+ * @od: struct omap_device *od
+ *
+ * Disable the main functional clock and interface clock for all of the
+ * omap_hwmods associated with the omap_device. Returns 0.
+ */
+int omap_device_disable_clocks(struct omap_device *od)
+{
+ struct omap_hwmod *oh;
+ int i;
+
+ for (i = 0, oh = *od->hwmods; i < od->hwmods_cnt; i++, oh++)
+ omap_hwmod_disable_clocks(oh);
+
+ /* XXX pass along return value here? */
+ return 0;
+}
+
+/**
+ * omap_device_enable_clocks - enable all main and interface clocks
+ * @od: struct omap_device *od
+ *
+ * Enable the main functional clock and interface clock for all of the
+ * omap_hwmods associated with the omap_device. Returns 0.
+ */
+int omap_device_enable_clocks(struct omap_device *od)
+{
+ struct omap_hwmod *oh;
+ int i;
+
+ for (i = 0, oh = *od->hwmods; i < od->hwmods_cnt; i++, oh++)
+ omap_hwmod_enable_clocks(oh);
+
+ /* XXX pass along return value here? */
+ return 0;
+}
--
GitLab
From ca4caa4e1d45f9542fa54263974d0ef637157b4a Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Thu, 3 Sep 2009 20:14:06 +0300
Subject: [PATCH 479/742] OMAP clock: use debugfs_remove_recursive() for
rewinding
Rewinding each debugfs entries to unregister if an error happens.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/plat-omap/clock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index e8c327a45a55..bf880e966d3b 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -488,7 +488,7 @@ static int __init clk_debugfs_init(void)
}
return 0;
err_out:
- debugfs_remove(clk_debugfs_root); /* REVISIT: Cleanup correctly */
+ debugfs_remove_recursive(clk_debugfs_root);
return err;
}
late_initcall(clk_debugfs_init);
--
GitLab
From 7f1346a9de6a689b03f2c1c3a387e49ec64da267 Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Sat, 5 Sep 2009 09:28:54 -0400
Subject: [PATCH 480/742] ext4: Declare seq_operations and file_operations
structures as const
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/mballoc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 3086b3c65adc..5ef6daf0cdc6 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2202,7 +2202,7 @@ static void ext4_mb_seq_history_stop(struct seq_file *seq, void *v)
{
}
-static struct seq_operations ext4_mb_seq_history_ops = {
+static const struct seq_operations ext4_mb_seq_history_ops = {
.start = ext4_mb_seq_history_start,
.next = ext4_mb_seq_history_next,
.stop = ext4_mb_seq_history_stop,
@@ -2284,7 +2284,7 @@ static ssize_t ext4_mb_seq_history_write(struct file *file,
return count;
}
-static struct file_operations ext4_mb_seq_history_fops = {
+static const struct file_operations ext4_mb_seq_history_fops = {
.owner = THIS_MODULE,
.open = ext4_mb_seq_history_open,
.read = seq_read,
@@ -2363,7 +2363,7 @@ static void ext4_mb_seq_groups_stop(struct seq_file *seq, void *v)
{
}
-static struct seq_operations ext4_mb_seq_groups_ops = {
+static const struct seq_operations ext4_mb_seq_groups_ops = {
.start = ext4_mb_seq_groups_start,
.next = ext4_mb_seq_groups_next,
.stop = ext4_mb_seq_groups_stop,
@@ -2384,7 +2384,7 @@ static int ext4_mb_seq_groups_open(struct inode *inode, struct file *file)
}
-static struct file_operations ext4_mb_seq_groups_fops = {
+static const struct file_operations ext4_mb_seq_groups_fops = {
.owner = THIS_MODULE,
.open = ext4_mb_seq_groups_open,
.read = seq_read,
--
GitLab
From a3710fd1ee8cd542c5de63cf2c39f8912031f867 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 17 Sep 2009 08:50:18 -0400
Subject: [PATCH 481/742] ext4: fix tracepoint format string warnings
Unlike on some other architectures ino_t is an unsigned int on s390.
So add an explicit cast to avoid lots of compile warnings:
In file included from include/trace/ftrace.h:285,
from include/trace/define_trace.h:61,
from include/trace/events/ext4.h:711,
from fs/ext4/super.c:50:
include/trace/events/ext4.h: In function 'ftrace_raw_output_ext4_free_inode':
include/trace/events/ext4.h:12: warning: format '%lu' expects type 'long unsigned int', but argument 4 has type 'ino_t'
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
include/trace/events/ext4.h | 75 ++++++++++++++++++++-----------------
include/trace/events/jbd2.h | 2 +-
2 files changed, 41 insertions(+), 36 deletions(-)
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index dd43399288ea..68b53c7ef8a7 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -33,8 +33,8 @@ TRACE_EVENT(ext4_free_inode,
),
TP_printk("dev %s ino %lu mode %d uid %u gid %u blocks %llu",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->mode,
- __entry->uid, __entry->gid,
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->mode, __entry->uid, __entry->gid,
(unsigned long long) __entry->blocks)
);
@@ -56,7 +56,8 @@ TRACE_EVENT(ext4_request_inode,
),
TP_printk("dev %s dir %lu mode %d",
- jbd2_dev_to_name(__entry->dev), __entry->dir, __entry->mode)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->dir,
+ __entry->mode)
);
TRACE_EVENT(ext4_allocate_inode,
@@ -79,7 +80,8 @@ TRACE_EVENT(ext4_allocate_inode,
),
TP_printk("dev %s ino %lu dir %lu mode %d",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->dir, __entry->mode)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ (unsigned long) __entry->dir, __entry->mode)
);
TRACE_EVENT(ext4_write_begin,
@@ -106,8 +108,8 @@ TRACE_EVENT(ext4_write_begin,
),
TP_printk("dev %s ino %lu pos %llu len %u flags %u",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
- __entry->flags)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->pos, __entry->len, __entry->flags)
);
TRACE_EVENT(ext4_ordered_write_end,
@@ -133,8 +135,8 @@ TRACE_EVENT(ext4_ordered_write_end,
),
TP_printk("dev %s ino %lu pos %llu len %u copied %u",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
- __entry->copied)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->pos, __entry->len, __entry->copied)
);
TRACE_EVENT(ext4_writeback_write_end,
@@ -160,8 +162,8 @@ TRACE_EVENT(ext4_writeback_write_end,
),
TP_printk("dev %s ino %lu pos %llu len %u copied %u",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
- __entry->copied)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->pos, __entry->len, __entry->copied)
);
TRACE_EVENT(ext4_journalled_write_end,
@@ -186,8 +188,8 @@ TRACE_EVENT(ext4_journalled_write_end,
),
TP_printk("dev %s ino %lu pos %llu len %u copied %u",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
- __entry->copied)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->pos, __entry->len, __entry->copied)
);
TRACE_EVENT(ext4_writepage,
@@ -209,7 +211,8 @@ TRACE_EVENT(ext4_writepage,
),
TP_printk("dev %s ino %lu page_index %lu",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->index)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->index)
);
TRACE_EVENT(ext4_da_writepages,
@@ -244,7 +247,8 @@ TRACE_EVENT(ext4_da_writepages,
),
TP_printk("dev %s ino %lu nr_to_write %ld pages_skipped %ld range_start %llu range_end %llu nonblocking %d for_kupdate %d for_reclaim %d range_cyclic %d",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->nr_to_write,
+ jbd2_dev_to_name(__entry->dev),
+ (unsigned long) __entry->ino, __entry->nr_to_write,
__entry->pages_skipped, __entry->range_start,
__entry->range_end, __entry->nonblocking,
__entry->for_kupdate, __entry->for_reclaim,
@@ -279,7 +283,7 @@ TRACE_EVENT(ext4_da_write_pages,
),
TP_printk("dev %s ino %lu b_blocknr %llu b_size %u b_state 0x%04x first_page %lu io_done %d pages_written %d",
- jbd2_dev_to_name(__entry->dev), __entry->ino,
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
__entry->b_blocknr, __entry->b_size,
__entry->b_state, __entry->first_page,
__entry->io_done, __entry->pages_written)
@@ -314,7 +318,8 @@ TRACE_EVENT(ext4_da_writepages_result,
),
TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld congestion %d more_io %d no_nrwrite_index_update %d",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->ret,
+ jbd2_dev_to_name(__entry->dev),
+ (unsigned long) __entry->ino, __entry->ret,
__entry->pages_written, __entry->pages_skipped,
__entry->encountered_congestion, __entry->more_io,
__entry->no_nrwrite_index_update)
@@ -343,8 +348,8 @@ TRACE_EVENT(ext4_da_write_begin,
),
TP_printk("dev %s ino %lu pos %llu len %u flags %u",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
- __entry->flags)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->pos, __entry->len, __entry->flags)
);
TRACE_EVENT(ext4_da_write_end,
@@ -370,8 +375,8 @@ TRACE_EVENT(ext4_da_write_end,
),
TP_printk("dev %s ino %lu pos %llu len %u copied %u",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pos, __entry->len,
- __entry->copied)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->pos, __entry->len, __entry->copied)
);
TRACE_EVENT(ext4_discard_blocks,
@@ -421,8 +426,8 @@ TRACE_EVENT(ext4_mb_new_inode_pa,
),
TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pa_pstart,
- __entry->pa_len, __entry->pa_lstart)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
);
TRACE_EVENT(ext4_mb_new_group_pa,
@@ -449,8 +454,8 @@ TRACE_EVENT(ext4_mb_new_group_pa,
),
TP_printk("dev %s ino %lu pstart %llu len %u lstart %llu",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->pa_pstart,
- __entry->pa_len, __entry->pa_lstart)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->pa_pstart, __entry->pa_len, __entry->pa_lstart)
);
TRACE_EVENT(ext4_mb_release_inode_pa,
@@ -476,8 +481,8 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
),
TP_printk("dev %s ino %lu block %llu count %u",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->block,
- __entry->count)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->block, __entry->count)
);
TRACE_EVENT(ext4_mb_release_group_pa,
@@ -522,7 +527,7 @@ TRACE_EVENT(ext4_discard_preallocations,
),
TP_printk("dev %s ino %lu",
- jbd2_dev_to_name(__entry->dev), __entry->ino)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino)
);
TRACE_EVENT(ext4_mb_discard_preallocations,
@@ -577,8 +582,8 @@ TRACE_EVENT(ext4_request_blocks,
),
TP_printk("dev %s ino %lu flags %u len %u lblk %llu goal %llu lleft %llu lright %llu pleft %llu pright %llu ",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->flags,
- __entry->len,
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->flags, __entry->len,
(unsigned long long) __entry->logical,
(unsigned long long) __entry->goal,
(unsigned long long) __entry->lleft,
@@ -621,8 +626,8 @@ TRACE_EVENT(ext4_allocate_blocks,
),
TP_printk("dev %s ino %lu flags %u len %u block %llu lblk %llu goal %llu lleft %llu lright %llu pleft %llu pright %llu ",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->flags,
- __entry->len, __entry->block,
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->flags, __entry->len, __entry->block,
(unsigned long long) __entry->logical,
(unsigned long long) __entry->goal,
(unsigned long long) __entry->lleft,
@@ -655,8 +660,8 @@ TRACE_EVENT(ext4_free_blocks,
),
TP_printk("dev %s ino %lu block %llu count %lu metadata %d",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->block,
- __entry->count, __entry->metadata)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->block, __entry->count, __entry->metadata)
);
TRACE_EVENT(ext4_sync_file,
@@ -679,8 +684,8 @@ TRACE_EVENT(ext4_sync_file,
),
TP_printk("dev %s ino %ld parent %ld datasync %d ",
- jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->parent,
- __entry->datasync)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ (unsigned long) __entry->parent, __entry->datasync)
);
TRACE_EVENT(ext4_sync_fs,
diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h
index 10813fa0c8d0..b851f0b4701c 100644
--- a/include/trace/events/jbd2.h
+++ b/include/trace/events/jbd2.h
@@ -159,7 +159,7 @@ TRACE_EVENT(jbd2_submit_inode_data,
),
TP_printk("dev %s ino %lu",
- jbd2_dev_to_name(__entry->dev), __entry->ino)
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino)
);
#endif /* _TRACE_JBD2_H */
--
GitLab
From d0646f7b636d067d715fab52a2ba9c6f0f46b0d7 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sat, 5 Sep 2009 12:50:43 -0400
Subject: [PATCH 482/742] ext4: Remove journal_checksum mount option and enable
it by default
There's no real cost for the journal checksum feature, and we should
make sure it is enabled all the time.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
Documentation/filesystems/ext4.txt | 8 +-------
fs/ext4/ext4.h | 1 -
fs/ext4/super.c | 20 ++++++--------------
3 files changed, 7 insertions(+), 22 deletions(-)
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index 7be02ac5fa36..3e329dbac785 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -134,15 +134,9 @@ ro Mount filesystem read only. Note that ext4 will
mount options "ro,noload" can be used to prevent
writes to the filesystem.
-journal_checksum Enable checksumming of the journal transactions.
- This will allow the recovery code in e2fsck and the
- kernel to detect corruption in the kernel. It is a
- compatible change and will be ignored by older kernels.
-
journal_async_commit Commit block can be written to disk without waiting
for descriptor blocks. If enabled older kernels cannot
- mount the device. This will enable 'journal_checksum'
- internally.
+ mount the device.
journal=update Update the ext4 file system's journal to the current
format.
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 81014f4ed22d..4dc64ed58d26 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -711,7 +711,6 @@ struct ext4_inode_info {
#define EXT4_MOUNT_QUOTA 0x80000 /* Some quota option set */
#define EXT4_MOUNT_USRQUOTA 0x100000 /* "old" user quota */
#define EXT4_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
-#define EXT4_MOUNT_JOURNAL_CHECKSUM 0x800000 /* Journal checksums */
#define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT 0x1000000 /* Journal Async Commit */
#define EXT4_MOUNT_I_VERSION 0x2000000 /* i_version support */
#define EXT4_MOUNT_DELALLOC 0x8000000 /* Delalloc support */
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 4037fe0b5a5c..f1815d3bcfd5 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1280,11 +1280,9 @@ static int parse_options(char *options, struct super_block *sb,
*journal_devnum = option;
break;
case Opt_journal_checksum:
- set_opt(sbi->s_mount_opt, JOURNAL_CHECKSUM);
- break;
+ break; /* Kept for backwards compatibility */
case Opt_journal_async_commit:
set_opt(sbi->s_mount_opt, JOURNAL_ASYNC_COMMIT);
- set_opt(sbi->s_mount_opt, JOURNAL_CHECKSUM);
break;
case Opt_noload:
set_opt(sbi->s_mount_opt, NOLOAD);
@@ -2751,20 +2749,14 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount4;
}
- if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) {
- jbd2_journal_set_features(sbi->s_journal,
- JBD2_FEATURE_COMPAT_CHECKSUM, 0,
+ jbd2_journal_set_features(sbi->s_journal,
+ JBD2_FEATURE_COMPAT_CHECKSUM, 0, 0);
+ if (test_opt(sb, JOURNAL_ASYNC_COMMIT))
+ jbd2_journal_set_features(sbi->s_journal, 0, 0,
JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT);
- } else if (test_opt(sb, JOURNAL_CHECKSUM)) {
- jbd2_journal_set_features(sbi->s_journal,
- JBD2_FEATURE_COMPAT_CHECKSUM, 0, 0);
+ else
jbd2_journal_clear_features(sbi->s_journal, 0, 0,
JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT);
- } else {
- jbd2_journal_clear_features(sbi->s_journal,
- JBD2_FEATURE_COMPAT_CHECKSUM, 0,
- JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT);
- }
/* We have now updated the journal if required, so we can
* validate the data journaling mode. */
--
GitLab
From 5f3481e9a80c240f169b36ea886e2325b9aeb745 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Sat, 5 Sep 2009 21:42:42 -0400
Subject: [PATCH 483/742] ext4: fix cache flush in ext4_sync_file
We need to flush the write cache unconditionally in ->fsync, otherwise
writes into already allocated blocks can get lost. Writes into fully
allocated files are very common when using disk images for
virtualization, and without this fix can easily lose data after
an fdatasync, which is the typical implementation for a cache flush on
the virtual drive.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/fsync.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 83cf6415f599..ab418c0f502d 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -92,9 +92,9 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
.nr_to_write = 0, /* sys_fsync did this */
};
ret = sync_inode(inode, &wbc);
- if (journal && (journal->j_flags & JBD2_BARRIER))
- blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
}
out:
+ if (journal && (journal->j_flags & JBD2_BARRIER))
+ blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
return ret;
}
--
GitLab
From 70d5d3dcea47c16058d2b093c29e07fdf61b56ad Mon Sep 17 00:00:00 2001
From: Akira Fujita <a-fujita@rs.jp.nec.com>
Date: Wed, 16 Sep 2009 14:28:22 -0400
Subject: [PATCH 484/742] ext4: Fix wrong comparisons in mext_check_arguments()
The mext_check_arguments() function in move_extents.c has wrong
comparisons. orig_start which is passed from user-space is block
unit, but i_size of inode is byte unit, therefore the checks do not
work fine. This mis-check leads to the overflow of 'len' and then
hits BUG_ON() in ext4_move_extents(). The patch fixes this issue.
Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com>
Reviewed-by: Greg Freemyer <greg.freemyer@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/move_extent.c | 46 +++++++++++++++++++++++++------------------
1 file changed, 27 insertions(+), 19 deletions(-)
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 5821e0bee917..c593eb2b193a 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -898,6 +898,10 @@ mext_check_arguments(struct inode *orig_inode,
struct inode *donor_inode, __u64 orig_start,
__u64 donor_start, __u64 *len, __u64 moved_len)
{
+ ext4_lblk_t orig_blocks, donor_blocks;
+ unsigned int blkbits = orig_inode->i_blkbits;
+ unsigned int blocksize = 1 << blkbits;
+
/* Regular file check */
if (!S_ISREG(orig_inode->i_mode) || !S_ISREG(donor_inode->i_mode)) {
ext4_debug("ext4 move extent: The argument files should be "
@@ -972,43 +976,47 @@ mext_check_arguments(struct inode *orig_inode,
}
if (orig_inode->i_size > donor_inode->i_size) {
- if (orig_start >= donor_inode->i_size) {
+ donor_blocks = (donor_inode->i_size + blocksize - 1) >> blkbits;
+ /* TODO: eliminate this artificial restriction */
+ if (orig_start >= donor_blocks) {
ext4_debug("ext4 move extent: orig start offset "
- "[%llu] should be less than donor file size "
- "[%lld] [ino:orig %lu, donor_inode %lu]\n",
- orig_start, donor_inode->i_size,
+ "[%llu] should be less than donor file blocks "
+ "[%u] [ino:orig %lu, donor %lu]\n",
+ orig_start, donor_blocks,
orig_inode->i_ino, donor_inode->i_ino);
return -EINVAL;
}
- if (orig_start + *len > donor_inode->i_size) {
+ /* TODO: eliminate this artificial restriction */
+ if (orig_start + *len > donor_blocks) {
ext4_debug("ext4 move extent: End offset [%llu] should "
- "be less than donor file size [%lld]."
- "So adjust length from %llu to %lld "
+ "be less than donor file blocks [%u]."
+ "So adjust length from %llu to %llu "
"[ino:orig %lu, donor %lu]\n",
- orig_start + *len, donor_inode->i_size,
- *len, donor_inode->i_size - orig_start,
+ orig_start + *len, donor_blocks,
+ *len, donor_blocks - orig_start,
orig_inode->i_ino, donor_inode->i_ino);
- *len = donor_inode->i_size - orig_start;
+ *len = donor_blocks - orig_start;
}
} else {
- if (orig_start >= orig_inode->i_size) {
+ orig_blocks = (orig_inode->i_size + blocksize - 1) >> blkbits;
+ if (orig_start >= orig_blocks) {
ext4_debug("ext4 move extent: start offset [%llu] "
- "should be less than original file size "
- "[%lld] [inode:orig %lu, donor %lu]\n",
- orig_start, orig_inode->i_size,
+ "should be less than original file blocks "
+ "[%u] [ino:orig %lu, donor %lu]\n",
+ orig_start, orig_blocks,
orig_inode->i_ino, donor_inode->i_ino);
return -EINVAL;
}
- if (orig_start + *len > orig_inode->i_size) {
+ if (orig_start + *len > orig_blocks) {
ext4_debug("ext4 move extent: Adjust length "
- "from %llu to %lld. Because it should be "
- "less than original file size "
+ "from %llu to %llu. Because it should be "
+ "less than original file blocks "
"[ino:orig %lu, donor %lu]\n",
- *len, orig_inode->i_size - orig_start,
+ *len, orig_blocks - orig_start,
orig_inode->i_ino, donor_inode->i_ino);
- *len = orig_inode->i_size - orig_start;
+ *len = orig_blocks - orig_start;
}
}
--
GitLab
From daea696dbac0e33af3cfe304efbfb8d74e0effe6 Mon Sep 17 00:00:00 2001
From: Akira Fujita <a-fujita@rs.jp.nec.com>
Date: Sat, 5 Sep 2009 22:11:55 -0400
Subject: [PATCH 485/742] ext4: Remove unneeded BUG_ON() in ext4_move_extents()
The ext4_move_extents() functions checks with BUG_ON() whether the
exchanged blocks count accords with request blocks count. But, if the
target range (orig_start + len) includes sparse block(s), 'moved_len'
(exchanged blocks count) does not agree with 'len' (request blocks
count), since sparse block is not counted in 'moved_len'. This causes
us to hit the BUG_ON(), even though the function succeeded.
Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/move_extent.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index c593eb2b193a..c8c66b167cd7 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -1322,8 +1322,5 @@ out2:
if (ret)
return ret;
- /* All of the specified blocks must be exchanged in succeed */
- BUG_ON(*moved_len != len);
-
return 0;
}
--
GitLab
From 8d6669133d8cdbb7cbe0e1f0f3744e7802a84afe Mon Sep 17 00:00:00 2001
From: Akira Fujita <a-fujita@rs.jp.nec.com>
Date: Sat, 5 Sep 2009 22:46:29 -0400
Subject: [PATCH 486/742] ext4: Return exchanged blocks count to user space in
failure
Return exchanged blocks count (moved_len) to user space,
if ext4_move_extents() failed on the way.
Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ioctl.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 7050a9cd04a4..c1cdf613e725 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -243,10 +243,9 @@ setversion_out:
me.donor_start, me.len, &me.moved_len);
fput(donor_filp);
- if (!err)
- if (copy_to_user((struct move_extent *)arg,
- &me, sizeof(me)))
- return -EFAULT;
+ if (copy_to_user((struct move_extent *)arg, &me, sizeof(me)))
+ return -EFAULT;
+
return err;
}
--
GitLab
From 44fc48f7048ab9657b524938a832fec4e0acea98 Mon Sep 17 00:00:00 2001
From: Akira Fujita <a-fujita@rs.jp.nec.com>
Date: Sat, 5 Sep 2009 23:12:41 -0400
Subject: [PATCH 487/742] ext4: Fix small typo for move_extent_per_page()
This function means moving extents every page, so change its name from
move_exgtent_par_page().
Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.co.jp>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/move_extent.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index c8c66b167cd7..4c4491cef357 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -740,7 +740,7 @@ out:
* on success, or a negative error value on failure.
*/
static int
-move_extent_par_page(struct file *o_filp, struct inode *donor_inode,
+move_extent_per_page(struct file *o_filp, struct inode *donor_inode,
pgoff_t orig_page_offset, int data_offset_in_page,
int block_len_in_page, int uninit)
{
@@ -1267,7 +1267,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
while (orig_page_offset <= seq_end_page) {
/* Swap original branches with new branches */
- ret = move_extent_par_page(o_filp, donor_inode,
+ ret = move_extent_per_page(o_filp, donor_inode,
orig_page_offset,
data_offset_in_page,
block_len_in_page, uninit);
--
GitLab
From 6e4154d4c2dd3d7e61d19ddd2527322ce34c2f5a Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 8 Sep 2009 16:21:00 +0900
Subject: [PATCH 488/742] sh: Use more aggressive dcache purging in kmap
teardown.
This fixes up a number of outstanding issues observed with old mappings
on the same colour hanging around. This requires some more optimal
handling, but is a safe fallback until all of the corner cases have been
handled.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache.c | 11 ++++++-----
arch/sh/mm/kmap.c | 3 +++
2 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 8e4a8d1ac4a9..35c37b7f717a 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -97,7 +97,7 @@ void copy_user_highpage(struct page *to, struct page *from,
}
if (pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK))
- __flush_wback_region(vto, PAGE_SIZE);
+ __flush_purge_region(vto, PAGE_SIZE);
kunmap_atomic(vto, KM_USER1);
/* Make sure this page is cleared on other CPU's too before using it */
@@ -112,7 +112,7 @@ void clear_user_highpage(struct page *page, unsigned long vaddr)
clear_page(kaddr);
if (pages_do_alias((unsigned long)kaddr, vaddr & PAGE_MASK))
- __flush_wback_region(kaddr, PAGE_SIZE);
+ __flush_purge_region(kaddr, PAGE_SIZE);
kunmap_atomic(kaddr, KM_USER0);
}
@@ -134,7 +134,7 @@ void __update_cache(struct vm_area_struct *vma,
unsigned long addr = (unsigned long)page_address(page);
if (pages_do_alias(addr, address & PAGE_MASK))
- __flush_wback_region((void *)addr, PAGE_SIZE);
+ __flush_purge_region((void *)addr, PAGE_SIZE);
}
}
}
@@ -149,10 +149,11 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
void *kaddr;
kaddr = kmap_coherent(page, vmaddr);
- __flush_wback_region((void *)kaddr, PAGE_SIZE);
+ /* XXX.. For now kunmap_coherent() does a purge */
+ /* __flush_purge_region((void *)kaddr, PAGE_SIZE); */
kunmap_coherent(kaddr);
} else
- __flush_wback_region((void *)addr, PAGE_SIZE);
+ __flush_purge_region((void *)addr, PAGE_SIZE);
}
}
diff --git a/arch/sh/mm/kmap.c b/arch/sh/mm/kmap.c
index c52cd8c40a64..16e01b5fed04 100644
--- a/arch/sh/mm/kmap.c
+++ b/arch/sh/mm/kmap.c
@@ -54,6 +54,9 @@ void kunmap_coherent(void *kvaddr)
unsigned long vaddr = (unsigned long)kvaddr & PAGE_MASK;
enum fixed_addresses idx = __virt_to_fix(vaddr);
+ /* XXX.. Kill this later, here for sanity at the moment.. */
+ __flush_purge_region((void *)vaddr, PAGE_SIZE);
+
pte_clear(&init_mm, vaddr, kmap_coherent_pte - idx);
local_flush_tlb_one(get_asid(), vaddr);
}
--
GitLab
From a2494b9b5fb702becaf8d8e3138f7a1a0d3c537e Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 8 Sep 2009 16:23:08 +0900
Subject: [PATCH 489/742] sh: Kill off dcache writeback from copy_page().
Now that the cache purging is handled manually by all copy_page()
callers, we can kill off copy_page()'s on writeback. This optimizes the
non-aliasing case.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/lib/copy_page.S | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/arch/sh/lib/copy_page.S b/arch/sh/lib/copy_page.S
index 43de7e8e4e17..9d7b8bc51866 100644
--- a/arch/sh/lib/copy_page.S
+++ b/arch/sh/lib/copy_page.S
@@ -30,7 +30,9 @@ ENTRY(copy_page)
mov r4,r10
mov r5,r11
mov r5,r8
- mov.l .Lpsz,r0
+ mov #(PAGE_SIZE >> 10), r0
+ shll8 r0
+ shll2 r0
add r0,r8
!
1: mov.l @r11+,r0
@@ -43,7 +45,6 @@ ENTRY(copy_page)
mov.l @r11+,r7
#if defined(CONFIG_CPU_SH4)
movca.l r0,@r10
- mov r10,r0
#else
mov.l r0,@r10
#endif
@@ -55,9 +56,6 @@ ENTRY(copy_page)
mov.l r3,@-r10
mov.l r2,@-r10
mov.l r1,@-r10
-#if defined(CONFIG_CPU_SH4)
- ocbwb @r0
-#endif
cmp/eq r11,r8
bf/s 1b
add #28,r10
@@ -68,9 +66,6 @@ ENTRY(copy_page)
rts
nop
- .balign 4
-.Lpsz: .long PAGE_SIZE
-
/*
* __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);
* Return the number of bytes NOT copied
--
GitLab
From a827eaffff07c7d58a4cb32158cbeb4849f4e33a Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Wed, 9 Sep 2009 22:36:03 -0400
Subject: [PATCH 490/742] ext4: Take page lock before looking at attached
buffer_heads flags
In order to check whether the buffer_heads are mapped we need to hold
page lock. Otherwise a reclaim can cleanup the attached buffer_heads.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/inode.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 17802a96af9f..5c0d17066f4a 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -5286,12 +5286,21 @@ int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
else
len = PAGE_CACHE_SIZE;
+ lock_page(page);
+ /*
+ * return if we have all the buffers mapped. This avoid
+ * the need to call write_begin/write_end which does a
+ * journal_start/journal_stop which can block and take
+ * long time
+ */
if (page_has_buffers(page)) {
- /* return if we have all the buffers mapped */
if (!walk_page_buffers(NULL, page_buffers(page), 0, len, NULL,
- ext4_bh_unmapped))
+ ext4_bh_unmapped)) {
+ unlock_page(page);
goto out_unlock;
+ }
}
+ unlock_page(page);
/*
* OK, we need to fill the hole... Do write_begin write_end
* to do block allocation/reservation.We are not holding
--
GitLab
From 80e42468d65475e92651e62175bb7807773321d0 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Tue, 8 Sep 2009 08:21:26 -0400
Subject: [PATCH 491/742] ext4: print more sysadmin-friendly message in
check_block_validity()
Drop the WARN_ON(1), as he stack trace is not appropriate, since it is
triggered by file system corruption, and it misleads users into
thinking there is a kernel bug. In addition, change the message
displayed by ext4_error() to make it clear that this is a file system
corruption problem.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/inode.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 5c0d17066f4a..6253ecdac67f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1121,16 +1121,15 @@ static void ext4_da_update_reserve_space(struct inode *inode, int used)
ext4_discard_preallocations(inode);
}
-static int check_block_validity(struct inode *inode, sector_t logical,
- sector_t phys, int len)
+static int check_block_validity(struct inode *inode, const char *msg,
+ sector_t logical, sector_t phys, int len)
{
if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), phys, len)) {
- ext4_error(inode->i_sb, "check_block_validity",
+ ext4_error(inode->i_sb, msg,
"inode #%lu logical block %llu mapped to %llu "
"(size %d)", inode->i_ino,
(unsigned long long) logical,
(unsigned long long) phys, len);
- WARN_ON(1);
return -EIO;
}
return 0;
@@ -1182,8 +1181,8 @@ int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
up_read((&EXT4_I(inode)->i_data_sem));
if (retval > 0 && buffer_mapped(bh)) {
- int ret = check_block_validity(inode, block,
- bh->b_blocknr, retval);
+ int ret = check_block_validity(inode, "file system corruption",
+ block, bh->b_blocknr, retval);
if (ret != 0)
return ret;
}
@@ -1264,8 +1263,9 @@ int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
up_write((&EXT4_I(inode)->i_data_sem));
if (retval > 0 && buffer_mapped(bh)) {
- int ret = check_block_validity(inode, block,
- bh->b_blocknr, retval);
+ int ret = check_block_validity(inode, "file system "
+ "corruption after allocation",
+ block, bh->b_blocknr, retval);
if (ret != 0)
return ret;
}
--
GitLab
From 1043bf5c95cf065c9959c2733d6e868f9806eb66 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 9 Sep 2009 12:13:01 +0900
Subject: [PATCH 492/742] rtc: rtc-sh: Fix up oops in early periodic freq
assignment.
With the reordered init order, the rtc device is not registered until
later, while sh_rtc_irq_set_freq() was attempting to assign ->irq_freq
directly, resulting in an oops. This is handled by the upper layers for
us, so just kill off the problematic dereference completely.
Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/rtc/rtc-sh.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 39a2fcd98c2d..e6ed5404bca0 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -283,10 +283,8 @@ static int sh_rtc_irq_set_freq(struct device *dev, int freq)
ret = -ENOTSUPP;
}
- if (ret == 0) {
+ if (ret == 0)
rtc->periodic_freq |= tmp;
- rtc->rtc_dev->irq_freq = freq;
- }
spin_unlock_irq(&rtc->lock);
return ret;
--
GitLab
From 682f88ab74e55dae55ea3bf30b46f56f71b793bd Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 9 Sep 2009 13:19:46 +0900
Subject: [PATCH 493/742] sh: Cleanup whitespace damage in
sh4_flush_icache_range().
There was quite a lot of tab->space damage done here from a former patch,
clean it up once and for all.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh4.c | 63 ++++++++++++++++++++++--------------------
1 file changed, 33 insertions(+), 30 deletions(-)
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 3ac4945cb493..b2453bbef4cd 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -46,7 +46,6 @@ static void (*__flush_dcache_segment_fn)(unsigned long, unsigned long) =
static void sh4_flush_icache_range(void *args)
{
struct flusher_data *data = args;
- int icacheaddr;
unsigned long start, end;
unsigned long flags, v;
int i;
@@ -54,36 +53,40 @@ static void sh4_flush_icache_range(void *args)
start = data->addr1;
end = data->addr2;
- /* If there are too many pages then just blow the caches */
- if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) {
- local_flush_cache_all(args);
- } else {
- /* selectively flush d-cache then invalidate the i-cache */
- /* this is inefficient, so only use for small ranges */
- start &= ~(L1_CACHE_BYTES-1);
- end += L1_CACHE_BYTES-1;
- end &= ~(L1_CACHE_BYTES-1);
-
- local_irq_save(flags);
- jump_to_uncached();
-
- for (v = start; v < end; v+=L1_CACHE_BYTES) {
- asm volatile("ocbwb %0"
- : /* no output */
- : "m" (__m(v)));
-
- icacheaddr = CACHE_IC_ADDRESS_ARRAY | (
- v & cpu_data->icache.entry_mask);
-
- for (i = 0; i < cpu_data->icache.ways;
- i++, icacheaddr += cpu_data->icache.way_incr)
- /* Clear i-cache line valid-bit */
- ctrl_outl(0, icacheaddr);
- }
-
- back_to_cached();
- local_irq_restore(flags);
+ /* If there are too many pages then just blow away the caches */
+ if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) {
+ local_flush_cache_all(NULL);
+ return;
+ }
+
+ /*
+ * Selectively flush d-cache then invalidate the i-cache.
+ * This is inefficient, so only use this for small ranges.
+ */
+ start &= ~(L1_CACHE_BYTES-1);
+ end += L1_CACHE_BYTES-1;
+ end &= ~(L1_CACHE_BYTES-1);
+
+ local_irq_save(flags);
+ jump_to_uncached();
+
+ for (v = start; v < end; v += L1_CACHE_BYTES) {
+ unsigned long icacheaddr;
+
+ __ocbwb(v);
+
+ icacheaddr = CACHE_IC_ADDRESS_ARRAY | (v &
+ cpu_data->icache.entry_mask);
+
+ /* Clear i-cache line valid-bit */
+ for (i = 0; i < cpu_data->icache.ways; i++) {
+ __raw_writel(0, icacheaddr);
+ icacheaddr += cpu_data->icache.way_incr;
+ }
}
+
+ back_to_cached();
+ local_irq_restore(flags);
}
static inline void flush_cache_4096(unsigned long start,
--
GitLab
From c7acb4c16646943180bd221c167a077e0a084f9c Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Wed, 9 Sep 2009 21:32:41 -0400
Subject: [PATCH 494/742] ext4: Use bforget() in no journal mode for
ext4_journal_{forget,revoke}()
When ext4 is using a journal, a metadata block which is deallocated
must be passed into the journal layer so it can be dropped from the
current transaction and/or revoked. This is done by calling the
functions ext4_journal_forget() and ext4_journal_revoke(), which call
jbd2_journal_forget(), and jbd2_journal_revoke(), respectively.
Since the jbd2_journal_forget() and jbd2_journal_revoke() call
bforget(), if ext4 is not using a journal, ext4_journal_forget() and
ext4_journal_revoke() must call bforget() to avoid a dirty metadata
block overwriting a block after it has been reallocated and reused for
another inode's data block.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4_jbd2.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index eb27fd0f2ee8..ecb9ca455fd5 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -44,7 +44,7 @@ int __ext4_journal_forget(const char *where, handle_t *handle,
handle, err);
}
else
- brelse(bh);
+ bforget(bh);
return err;
}
@@ -60,7 +60,7 @@ int __ext4_journal_revoke(const char *where, handle_t *handle,
handle, err);
}
else
- brelse(bh);
+ bforget(bh);
return err;
}
--
GitLab
From fe188c0e084bdf3038dc0ac963c21d764f53f7da Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Sat, 12 Sep 2009 13:41:55 -0400
Subject: [PATCH 495/742] ext4: Assure that metadata blocks are written during
fsync in no journal mode
When there is no journal present, we must attach buffer heads
associated with extent tree and indirect blocks to the inode's
mapping->private_list via mark_buffer_dirty_inode() so that
ext4_sync_file() --- which is called to service fsync() and
fdatasync() system calls --- can write out the inode's metadata blocks
by calling sync_mapping_buffers().
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4_jbd2.c | 5 ++++-
fs/ext4/fsync.c | 9 +++++++--
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index ecb9ca455fd5..6a9409920dee 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -89,7 +89,10 @@ int __ext4_handle_dirty_metadata(const char *where, handle_t *handle,
ext4_journal_abort_handle(where, __func__, bh,
handle, err);
} else {
- mark_buffer_dirty(bh);
+ if (inode && bh)
+ mark_buffer_dirty_inode(bh, inode);
+ else
+ mark_buffer_dirty(bh);
if (inode && inode_needs_sync(inode)) {
sync_dirty_buffer(bh);
if (buffer_req(bh) && !buffer_uptodate(bh)) {
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index ab418c0f502d..07475740b512 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -50,7 +50,7 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
{
struct inode *inode = dentry->d_inode;
journal_t *journal = EXT4_SB(inode->i_sb)->s_journal;
- int ret = 0;
+ int err, ret = 0;
J_ASSERT(ext4_journal_current_handle() == NULL);
@@ -79,6 +79,9 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
goto out;
}
+ if (!journal)
+ ret = sync_mapping_buffers(inode->i_mapping);
+
if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
goto out;
@@ -91,7 +94,9 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
.sync_mode = WB_SYNC_ALL,
.nr_to_write = 0, /* sys_fsync did this */
};
- ret = sync_inode(inode, &wbc);
+ err = sync_inode(inode, &wbc);
+ if (ret == 0)
+ ret = err;
}
out:
if (journal && (journal->j_flags & JBD2_BARRIER))
--
GitLab
From 91ac6f43317c0bf99969665f98016548011dfa38 Mon Sep 17 00:00:00 2001
From: Frank Mayhar <fmayhar@google.com>
Date: Wed, 9 Sep 2009 22:33:47 -0400
Subject: [PATCH 496/742] ext4: Make non-journal fsync work properly
Teach ext4_write_inode() and ext4_do_update_inode() about non-journal
mode: If we're not using a journal, ext4_write_inode() now calls
ext4_do_update_inode() (after getting the iloc via ext4_get_inode_loc())
with a new "do_sync" parameter. If that parameter is nonzero _and_ we're
not using a journal, ext4_do_update_inode() calls sync_dirty_buffer()
instead of ext4_handle_dirty_metadata().
This problem was found in power-fail testing, checking the amount of
loss of files and blocks after a power failure when using fsync() and
when not using fsync(). It turned out that using fsync() was actually
worse than not doing so, possibly because it increased the likelihood
that the inodes would remain unflushed and would therefore be lost at
the power failure.
Signed-off-by: Frank Mayhar <fmayhar@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/inode.c | 54 ++++++++++++++++++++++++++++++++++++-------------
1 file changed, 40 insertions(+), 14 deletions(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 6253ecdac67f..d04c8428bde2 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4538,7 +4538,8 @@ static int ext4_inode_blocks_set(handle_t *handle,
*/
static int ext4_do_update_inode(handle_t *handle,
struct inode *inode,
- struct ext4_iloc *iloc)
+ struct ext4_iloc *iloc,
+ int do_sync)
{
struct ext4_inode *raw_inode = ext4_raw_inode(iloc);
struct ext4_inode_info *ei = EXT4_I(inode);
@@ -4640,10 +4641,22 @@ static int ext4_do_update_inode(handle_t *handle,
raw_inode->i_extra_isize = cpu_to_le16(ei->i_extra_isize);
}
- BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
- rc = ext4_handle_dirty_metadata(handle, inode, bh);
- if (!err)
- err = rc;
+ /*
+ * If we're not using a journal and we were called from
+ * ext4_write_inode() to sync the inode (making do_sync true),
+ * we can just use sync_dirty_buffer() directly to do our dirty
+ * work. Testing s_journal here is a bit redundant but it's
+ * worth it to avoid potential future trouble.
+ */
+ if (EXT4_SB(inode->i_sb)->s_journal == NULL && do_sync) {
+ BUFFER_TRACE(bh, "call sync_dirty_buffer");
+ sync_dirty_buffer(bh);
+ } else {
+ BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
+ rc = ext4_handle_dirty_metadata(handle, inode, bh);
+ if (!err)
+ err = rc;
+ }
ei->i_state &= ~EXT4_STATE_NEW;
out_brelse:
@@ -4689,19 +4702,32 @@ out_brelse:
*/
int ext4_write_inode(struct inode *inode, int wait)
{
+ int err;
+
if (current->flags & PF_MEMALLOC)
return 0;
- if (ext4_journal_current_handle()) {
- jbd_debug(1, "called recursively, non-PF_MEMALLOC!\n");
- dump_stack();
- return -EIO;
- }
+ if (EXT4_SB(inode->i_sb)->s_journal) {
+ if (ext4_journal_current_handle()) {
+ jbd_debug(1, "called recursively, non-PF_MEMALLOC!\n");
+ dump_stack();
+ return -EIO;
+ }
- if (!wait)
- return 0;
+ if (!wait)
+ return 0;
+
+ err = ext4_force_commit(inode->i_sb);
+ } else {
+ struct ext4_iloc iloc;
- return ext4_force_commit(inode->i_sb);
+ err = ext4_get_inode_loc(inode, &iloc);
+ if (err)
+ return err;
+ err = ext4_do_update_inode(EXT4_NOJOURNAL_HANDLE,
+ inode, &iloc, wait);
+ }
+ return err;
}
/*
@@ -4995,7 +5021,7 @@ int ext4_mark_iloc_dirty(handle_t *handle,
get_bh(iloc->bh);
/* ext4_do_update_inode() does jbd2_journal_dirty_metadata */
- err = ext4_do_update_inode(handle, inode, iloc);
+ err = ext4_do_update_inode(handle, inode, iloc, 0);
put_bh(iloc->bh);
return err;
}
--
GitLab
From b6a758ec3af3ec236dbfdcf6a06b84ac8f94957e Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Wed, 9 Sep 2009 23:47:46 -0400
Subject: [PATCH 497/742] ext4: move ext4_mb_init_group() function earlier in
the mballoc.c
This moves the function around so that it can be called from
ext4_mb_load_buddy().
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/mballoc.c | 182 +++++++++++++++++++++++-----------------------
1 file changed, 91 insertions(+), 91 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 5ef6daf0cdc6..fed5ac699141 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -910,6 +910,97 @@ out:
return err;
}
+static noinline_for_stack
+int ext4_mb_init_group(struct super_block *sb, ext4_group_t group)
+{
+
+ int ret = 0;
+ void *bitmap;
+ int blocks_per_page;
+ int block, pnum, poff;
+ int num_grp_locked = 0;
+ struct ext4_group_info *this_grp;
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ struct inode *inode = sbi->s_buddy_cache;
+ struct page *page = NULL, *bitmap_page = NULL;
+
+ mb_debug(1, "init group %u\n", group);
+ blocks_per_page = PAGE_CACHE_SIZE / sb->s_blocksize;
+ this_grp = ext4_get_group_info(sb, group);
+ /*
+ * This ensures we don't add group
+ * to this buddy cache via resize
+ */
+ num_grp_locked = ext4_mb_get_buddy_cache_lock(sb, group);
+ if (!EXT4_MB_GRP_NEED_INIT(this_grp)) {
+ /*
+ * somebody initialized the group
+ * return without doing anything
+ */
+ ret = 0;
+ goto err;
+ }
+ /*
+ * the buddy cache inode stores the block bitmap
+ * and buddy information in consecutive blocks.
+ * So for each group we need two blocks.
+ */
+ block = group * 2;
+ pnum = block / blocks_per_page;
+ poff = block % blocks_per_page;
+ page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS);
+ if (page) {
+ BUG_ON(page->mapping != inode->i_mapping);
+ ret = ext4_mb_init_cache(page, NULL);
+ if (ret) {
+ unlock_page(page);
+ goto err;
+ }
+ unlock_page(page);
+ }
+ if (page == NULL || !PageUptodate(page)) {
+ ret = -EIO;
+ goto err;
+ }
+ mark_page_accessed(page);
+ bitmap_page = page;
+ bitmap = page_address(page) + (poff * sb->s_blocksize);
+
+ /* init buddy cache */
+ block++;
+ pnum = block / blocks_per_page;
+ poff = block % blocks_per_page;
+ page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS);
+ if (page == bitmap_page) {
+ /*
+ * If both the bitmap and buddy are in
+ * the same page we don't need to force
+ * init the buddy
+ */
+ unlock_page(page);
+ } else if (page) {
+ BUG_ON(page->mapping != inode->i_mapping);
+ ret = ext4_mb_init_cache(page, bitmap);
+ if (ret) {
+ unlock_page(page);
+ goto err;
+ }
+ unlock_page(page);
+ }
+ if (page == NULL || !PageUptodate(page)) {
+ ret = -EIO;
+ goto err;
+ }
+ mark_page_accessed(page);
+err:
+ ext4_mb_put_buddy_cache_lock(sb, group, num_grp_locked);
+ if (bitmap_page)
+ page_cache_release(bitmap_page);
+ if (page)
+ page_cache_release(page);
+ return ret;
+}
+
static noinline_for_stack int
ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
struct ext4_buddy *e4b)
@@ -1839,97 +1930,6 @@ void ext4_mb_put_buddy_cache_lock(struct super_block *sb,
}
-static noinline_for_stack
-int ext4_mb_init_group(struct super_block *sb, ext4_group_t group)
-{
-
- int ret;
- void *bitmap;
- int blocks_per_page;
- int block, pnum, poff;
- int num_grp_locked = 0;
- struct ext4_group_info *this_grp;
- struct ext4_sb_info *sbi = EXT4_SB(sb);
- struct inode *inode = sbi->s_buddy_cache;
- struct page *page = NULL, *bitmap_page = NULL;
-
- mb_debug(1, "init group %u\n", group);
- blocks_per_page = PAGE_CACHE_SIZE / sb->s_blocksize;
- this_grp = ext4_get_group_info(sb, group);
- /*
- * This ensures we don't add group
- * to this buddy cache via resize
- */
- num_grp_locked = ext4_mb_get_buddy_cache_lock(sb, group);
- if (!EXT4_MB_GRP_NEED_INIT(this_grp)) {
- /*
- * somebody initialized the group
- * return without doing anything
- */
- ret = 0;
- goto err;
- }
- /*
- * the buddy cache inode stores the block bitmap
- * and buddy information in consecutive blocks.
- * So for each group we need two blocks.
- */
- block = group * 2;
- pnum = block / blocks_per_page;
- poff = block % blocks_per_page;
- page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS);
- if (page) {
- BUG_ON(page->mapping != inode->i_mapping);
- ret = ext4_mb_init_cache(page, NULL);
- if (ret) {
- unlock_page(page);
- goto err;
- }
- unlock_page(page);
- }
- if (page == NULL || !PageUptodate(page)) {
- ret = -EIO;
- goto err;
- }
- mark_page_accessed(page);
- bitmap_page = page;
- bitmap = page_address(page) + (poff * sb->s_blocksize);
-
- /* init buddy cache */
- block++;
- pnum = block / blocks_per_page;
- poff = block % blocks_per_page;
- page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS);
- if (page == bitmap_page) {
- /*
- * If both the bitmap and buddy are in
- * the same page we don't need to force
- * init the buddy
- */
- unlock_page(page);
- } else if (page) {
- BUG_ON(page->mapping != inode->i_mapping);
- ret = ext4_mb_init_cache(page, bitmap);
- if (ret) {
- unlock_page(page);
- goto err;
- }
- unlock_page(page);
- }
- if (page == NULL || !PageUptodate(page)) {
- ret = -EIO;
- goto err;
- }
- mark_page_accessed(page);
-err:
- ext4_mb_put_buddy_cache_lock(sb, group, num_grp_locked);
- if (bitmap_page)
- page_cache_release(bitmap_page);
- if (page)
- page_cache_release(page);
- return ret;
-}
-
static noinline_for_stack int
ext4_mb_regular_allocator(struct ext4_allocation_context *ac)
{
--
GitLab
From f41c0750538667b87a19c93952e5d42fcc069bd7 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Wed, 9 Sep 2009 23:34:50 -0400
Subject: [PATCH 498/742] ext4: check for need init flag in ext4_mb_load_buddy
We should check for need init flag with the group's alloc_sem held, to
make sure while we are loading the buddy cache and holding a reference
to it, a file system resize can't add new blocks to same group.
The patch also drops the need init flag check in
ext4_mb_regular_allocator() because doing the check without holding
alloc_sem is racy.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/ext4/mballoc.c | 39 ++++++++++++++++++---------------------
1 file changed, 18 insertions(+), 21 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index fed5ac699141..484c9d10c7fa 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1034,8 +1034,26 @@ ext4_mb_load_buddy(struct super_block *sb, ext4_group_t group,
* groups mapped by the page is blocked
* till we are done with allocation
*/
+repeat_load_buddy:
down_read(e4b->alloc_semp);
+ if (unlikely(EXT4_MB_GRP_NEED_INIT(grp))) {
+ /* we need to check for group need init flag
+ * with alloc_semp held so that we can be sure
+ * that new blocks didn't get added to the group
+ * when we are loading the buddy cache
+ */
+ up_read(e4b->alloc_semp);
+ /*
+ * we need full data about the group
+ * to make a good selection
+ */
+ ret = ext4_mb_init_group(sb, group);
+ if (ret)
+ return ret;
+ goto repeat_load_buddy;
+ }
+
/*
* the buddy cache inode stores the block bitmap
* and buddy information in consecutive blocks.
@@ -2012,27 +2030,6 @@ repeat:
if (grp->bb_free == 0)
continue;
- /*
- * if the group is already init we check whether it is
- * a good group and if not we don't load the buddy
- */
- if (EXT4_MB_GRP_NEED_INIT(grp)) {
- /*
- * we need full data about the group
- * to make a good selection
- */
- err = ext4_mb_init_group(sb, group);
- if (err)
- goto out;
- }
-
- /*
- * If the particular group doesn't satisfy our
- * criteria we continue with the next group
- */
- if (!ext4_mb_good_group(ac, group, cr))
- continue;
-
err = ext4_mb_load_buddy(sb, group, &e4b);
if (err)
goto out;
--
GitLab
From 08c3a8133810d955d97f7146c50c43e4073f2148 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Wed, 9 Sep 2009 23:50:17 -0400
Subject: [PATCH 499/742] ext4: Clarify the locking details in mballoc
We don't need to take the alloc_sem lock when we are adding new
groups, since mballoc won't see the new group added until we bump
sbi->s_groups_count.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/ext4/mballoc.c | 7 +++++--
fs/ext4/resize.c | 7 +------
2 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 484c9d10c7fa..d23056d375b3 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -928,8 +928,11 @@ int ext4_mb_init_group(struct super_block *sb, ext4_group_t group)
blocks_per_page = PAGE_CACHE_SIZE / sb->s_blocksize;
this_grp = ext4_get_group_info(sb, group);
/*
- * This ensures we don't add group
- * to this buddy cache via resize
+ * This ensures that we don't reinit the buddy cache
+ * page which map to the group from which we are already
+ * allocating. If we are looking at the buddy cache we would
+ * have taken a reference using ext4_mb_load_buddy and that
+ * would have taken the alloc_sem lock.
*/
num_grp_locked = ext4_mb_get_buddy_cache_lock(sb, group);
if (!EXT4_MB_GRP_NEED_INIT(this_grp)) {
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 68b0351fc647..3cfc343c41b5 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -746,7 +746,6 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
struct inode *inode = NULL;
handle_t *handle;
int gdb_off, gdb_num;
- int num_grp_locked = 0;
int err, err2;
gdb_num = input->group / EXT4_DESC_PER_BLOCK(sb);
@@ -856,7 +855,6 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
* using the new disk blocks.
*/
- num_grp_locked = ext4_mb_get_buddy_cache_lock(sb, input->group);
/* Update group descriptor block for new group */
gdp = (struct ext4_group_desc *)((char *)primary->b_data +
gdb_off * EXT4_DESC_SIZE(sb));
@@ -875,10 +873,8 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
* descriptor
*/
err = ext4_mb_add_groupinfo(sb, input->group, gdp);
- if (err) {
- ext4_mb_put_buddy_cache_lock(sb, input->group, num_grp_locked);
+ if (err)
goto exit_journal;
- }
/*
* Make the new blocks and inodes valid next. We do this before
@@ -920,7 +916,6 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
/* Update the global fs size fields */
sbi->s_groups_count++;
- ext4_mb_put_buddy_cache_lock(sb, input->group, num_grp_locked);
ext4_handle_dirty_metadata(handle, NULL, primary);
--
GitLab
From 71290b368ad5e1e0b0b300c9d5638490a9fd1a2d Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 10 Sep 2009 17:31:04 -0400
Subject: [PATCH 500/742] ext4: Don't update superblock write time when
filesystem is read-only
This avoids updating the superblock write time when we are mounting
the root file system read/only but we need to replay the journal; at
that point, for people who are east of GMT and who make their clock
tick in localtime for Windows bug-for-bug compatibility, and this will
cause e2fsck to complain and force a full file system check.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/super.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f1815d3bcfd5..9f6fa3f74629 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3222,7 +3222,18 @@ static int ext4_commit_super(struct super_block *sb, int sync)
clear_buffer_write_io_error(sbh);
set_buffer_uptodate(sbh);
}
- es->s_wtime = cpu_to_le32(get_seconds());
+ /*
+ * If the file system is mounted read-only, don't update the
+ * superblock write time. This avoids updating the superblock
+ * write time when we are mounting the root file system
+ * read/only but we need to replay the journal; at that point,
+ * for people who are east of GMT and who make their clock
+ * tick in localtime for Windows bug-for-bug compatibility,
+ * the clock is set in the future, and this will cause e2fsck
+ * to complain and force a full file system check.
+ */
+ if (!(sb->s_flags & MS_RDONLY))
+ es->s_wtime = cpu_to_le32(get_seconds());
es->s_kbytes_written =
cpu_to_le64(EXT4_SB(sb)->s_kbytes_written +
((part_stat_read(sb->s_bdev->bd_part, sectors[1]) -
--
GitLab
From 0e3d2a6313d03413d93327202a60256d1d726fdc Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 11 Sep 2009 09:30:12 -0400
Subject: [PATCH 501/742] ext4: Fix async commit mode to be safe by using a
barrier
Previously the journal_async_commit mount option was equivalent to
using barrier=0 (and just as unsafe). This patch fixes it so that we
eliminate the barrier before the commit block (by not using ordered
mode), and explicitly issuing an empty barrier bio after writing the
commit block. Because of the journal checksum, it is safe to do this;
if the journal blocks are not all written before a power failure, the
checksum in the commit block will prevent the last transaction from
being replayed.
Using the fs_mark benchmark, using journal_async_commit shows a 50%
improvement:
FSUse% Count Size Files/sec App Overhead
8 1000 10240 30.5 28242
vs.
FSUse% Count Size Files/sec App Overhead
8 1000 10240 45.8 28620
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/jbd2/commit.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 0df600e9162d..26d991ddc1e6 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -25,6 +25,7 @@
#include <linux/writeback.h>
#include <linux/backing-dev.h>
#include <linux/bio.h>
+#include <linux/blkdev.h>
#include <trace/events/jbd2.h>
/*
@@ -133,8 +134,8 @@ static int journal_submit_commit_record(journal_t *journal,
bh->b_end_io = journal_end_buffer_io_sync;
if (journal->j_flags & JBD2_BARRIER &&
- !JBD2_HAS_INCOMPAT_FEATURE(journal,
- JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
+ !JBD2_HAS_INCOMPAT_FEATURE(journal,
+ JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
set_buffer_ordered(bh);
barrier_done = 1;
}
@@ -706,11 +707,13 @@ start_journal_io:
/* Done it all: now write the commit record asynchronously. */
if (JBD2_HAS_INCOMPAT_FEATURE(journal,
- JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
+ JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
err = journal_submit_commit_record(journal, commit_transaction,
&cbh, crc32_sum);
if (err)
__jbd2_journal_abort_hard(journal);
+ if (journal->j_flags & JBD2_BARRIER)
+ blkdev_issue_flush(journal->j_dev, NULL);
}
/*
@@ -833,7 +836,7 @@ wait_for_iobuf:
jbd_debug(3, "JBD: commit phase 5\n");
if (!JBD2_HAS_INCOMPAT_FEATURE(journal,
- JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
+ JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) {
err = journal_submit_commit_record(journal, commit_transaction,
&cbh, crc32_sum);
if (err)
--
GitLab
From 1f7bebb9e911d870fa8f997ddff838e82b5715ea Mon Sep 17 00:00:00 2001
From: Andreas Schlick <schlick@lavabit.com>
Date: Thu, 10 Sep 2009 23:16:07 -0400
Subject: [PATCH 502/742] ext4: Always set dx_node's fake_dirent explicitly.
When ext4_dx_add_entry() has to split an index node, it has to ensure that
name_len of dx_node's fake_dirent is also zero, because otherwise e2fsck
won't recognise it as an intermediate htree node and consider the htree to
be corrupted.
Signed-off-by: Andreas Schlick <schlick@lavabit.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index f27c8164c1fe..42f81d285cd5 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1597,9 +1597,9 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
goto cleanup;
node2 = (struct dx_node *)(bh2->b_data);
entries2 = node2->entries;
+ memset(&node2->fake, 0, sizeof(struct fake_dirent));
node2->fake.rec_len = ext4_rec_len_to_disk(sb->s_blocksize,
sb->s_blocksize);
- node2->fake.inode = 0;
BUFFER_TRACE(frame->bh, "get_write_access");
err = ext4_journal_get_write_access(handle, frame->bh);
if (err)
--
GitLab
From 125ecce6960e3365433ec5c734365a51e88bf3d9 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Thu, 10 Sep 2009 01:39:37 +0000
Subject: [PATCH 503/742] sh: Add I2C device support for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 428d1187ce5c..6721b2516a71 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -324,6 +324,13 @@ static struct platform_device ceu1_device = {
},
};
+/* I2C device */
+static struct i2c_board_info i2c1_devices[] = {
+ {
+ I2C_BOARD_INFO("r2025sd", 0x32),
+ },
+};
+
static struct platform_device *ecovec_devices[] __initdata = {
&heartbeat_device,
&nor_flash_device,
@@ -506,10 +513,14 @@ static int __init devices_setup(void)
gpio_request(GPIO_FN_VIO1_CLK, NULL);
platform_resource_setup_memory(&ceu1_device, "ceu1", 4 << 20);
+ /* enable I2C device */
+ i2c_register_board_info(1, i2c1_devices,
+ ARRAY_SIZE(i2c1_devices));
+
return platform_add_devices(ecovec_devices,
ARRAY_SIZE(ecovec_devices));
}
-device_initcall(devices_setup);
+arch_initcall(devices_setup);
static struct sh_machine_vector mv_ecovec __initmv = {
.mv_name = "R0P7724 (EcoVec)",
--
GitLab
From 378a569eaa2bff8f22bb312a76cf0a97d5d329ae Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Thu, 10 Sep 2009 01:39:52 +0000
Subject: [PATCH 504/742] sh: add romimage-macros.h
romimage macros which are used in kfr2r09 is very useful for other board.
This patch divides kfr2r09's romimage.h into
romimage-macros and partner-jet-setup.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/romimage-macros.h | 73 ++++++++++++++++++++
arch/sh/include/mach-kfr2r09/mach/romimage.h | 70 +------------------
2 files changed, 74 insertions(+), 69 deletions(-)
create mode 100644 arch/sh/include/asm/romimage-macros.h
diff --git a/arch/sh/include/asm/romimage-macros.h b/arch/sh/include/asm/romimage-macros.h
new file mode 100644
index 000000000000..ae17a150bb58
--- /dev/null
+++ b/arch/sh/include/asm/romimage-macros.h
@@ -0,0 +1,73 @@
+#ifndef __ROMIMAGE_MACRO_H
+#define __ROMIMAGE_MACRO_H
+
+/* The LIST command is used to include comments in the script */
+.macro LIST comment
+.endm
+
+/* The ED command is used to write a 32-bit word */
+.macro ED, addr, data
+ mov.l 1f, r1
+ mov.l 2f, r0
+ mov.l r0, @r1
+ bra 3f
+ nop
+ .align 2
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The EW command is used to write a 16-bit word */
+.macro EW, addr, data
+ mov.l 1f, r1
+ mov.l 2f, r0
+ mov.w r0, @r1
+ bra 3f
+ nop
+ .align 2
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The EB command is used to write an 8-bit word */
+.macro EB, addr, data
+ mov.l 1f, r1
+ mov.l 2f, r0
+ mov.b r0, @r1
+ bra 3f
+ nop
+ .align 2
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The WAIT command is used to delay the execution */
+.macro WAIT, time
+ mov.l 2f, r3
+1 :
+ nop
+ tst r3, r3
+ bf/s 1b
+ dt r3
+ bra 3f
+ nop
+ .align 2
+2 : .long \time * 100
+3 :
+.endm
+
+/* The DD command is used to read a 32-bit word */
+.macro DD, addr, addr2, nr
+ mov.l 1f, r1
+ mov.l @r1, r0
+ bra 2f
+ nop
+ .align 2
+1 : .long \addr
+2 :
+.endm
+
+#endif /* __ROMIMAGE_MACRO_H */
diff --git a/arch/sh/include/mach-kfr2r09/mach/romimage.h b/arch/sh/include/mach-kfr2r09/mach/romimage.h
index 39ee79443569..a110823f2bde 100644
--- a/arch/sh/include/mach-kfr2r09/mach/romimage.h
+++ b/arch/sh/include/mach-kfr2r09/mach/romimage.h
@@ -3,75 +3,7 @@
* the assembly code is the first code to be executed in the romImage
*/
-/* The LIST command is used to include comments in the script */
-.macro LIST comment
-.endm
-
-/* The ED command is used to write a 32-bit word */
-.macro ED, addr, data
- mov.l 1f ,r1
- mov.l 2f ,r0
- mov.l r0, @r1
- bra 3f
- nop
- .align 2
-1: .long \addr
-2: .long \data
-3:
-.endm
-
-/* The EW command is used to write a 16-bit word */
-.macro EW, addr, data
- mov.l 1f ,r1
- mov.l 2f ,r0
- mov.w r0, @r1
- bra 3f
- nop
- .align 2
-1: .long \addr
-2: .long \data
-3:
-.endm
-
-/* The EB command is used to write an 8-bit word */
-.macro EB, addr, data
- mov.l 1f ,r1
- mov.l 2f ,r0
- mov.b r0, @r1
- bra 3f
- nop
- .align 2
-1: .long \addr
-2: .long \data
-3:
-.endm
-
-/* The WAIT command is used to delay the execution */
-.macro WAIT, time
- mov.l 2f ,r3
-1:
- nop
- tst r3, r3
- bf/s 1b
- dt r3
- bra 3f
- nop
- .align 2
-2: .long \time * 100
-3:
-.endm
-
-/* The DD command is used to read a 32-bit word */
-.macro DD, addr, addr2, nr
- mov.l 1f ,r1
- mov.l @r1, r0
- bra 2f
- nop
- .align 2
-1: .long \addr
-2:
-.endm
-
+#include <asm/romimage-macros.h>
#include "partner-jet-setup.txt"
/* execute icbi after enabling cache */
--
GitLab
From be4ebf999a38dfe9d7d705c4913624ec816c48f2 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Thu, 10 Sep 2009 01:39:55 +0000
Subject: [PATCH 505/742] sh: Add romImage support for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 1 +
.../mach-ecovec24/mach/partner-jet-setup.txt | 79 +++++++++++++++++++
arch/sh/include/mach-ecovec24/mach/romimage.h | 20 +++++
3 files changed, 100 insertions(+)
create mode 100644 arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt
create mode 100644 arch/sh/include/mach-ecovec24/mach/romimage.h
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 6721b2516a71..b44c06058e34 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -378,6 +378,7 @@ static int __init devices_setup(void)
gpio_request(GPIO_FN_LNKSTA, NULL);
/* enable USB */
+ ctrl_outw(0x0000, 0xA4D80000);
gpio_request(GPIO_PTB3, NULL);
gpio_request(GPIO_PTB4, NULL);
gpio_request(GPIO_PTB5, NULL);
diff --git a/arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt b/arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt
new file mode 100644
index 000000000000..ae805baec225
--- /dev/null
+++ b/arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt
@@ -0,0 +1,79 @@
+LIST "partner-jet-setup.txt"
+LIST "(C) Copyright 2009 Renesas Solutions Corp"
+LIST "Kuninori Morimoto <morimoto.kuninori@renesas.com>"
+LIST "--------------------------------"
+LIST "zImage (RAM boot)"
+LIST "This script can be used to boot the kernel from RAM via JTAG:"
+LIST "> < partner-jet-setup.txt"
+LIST "> RD zImage, 0xa8800000"
+LIST "> G=0xa8800000"
+LIST "--------------------------------"
+LIST "romImage (Flash boot)"
+LIST "Use the following command to burn the zImage to flash via JTAG:"
+LIST "> RD romImage, 0"
+LIST "--------------------------------"
+
+LIST "disable watchdog"
+EW 0xa4520004, 0xa507
+
+LIST "MMU"
+ED 0xff000010, 0x00000004
+
+LIST "setup clocks"
+ED 0xa4150024, 0x00004000
+ED 0xa4150000, 0x8E003508
+ED 0xa4150004, 0x00000000
+
+WAIT 1
+
+LIST "BSC"
+ED 0xff800020, 0xa5a50000
+ED 0xfec10000, 0x00000013
+ED 0xfec10004, 0x11110400
+ED 0xfec10024, 0x00000440
+
+WAIT 1
+
+LIST "setup sdram"
+ED 0xfd000108, 0x00000181
+ED 0xfd000020, 0x015B0002
+ED 0xfd000030, 0x03061502
+ED 0xfd000034, 0x02020102
+ED 0xfd000038, 0x01090305
+ED 0xfd00003c, 0x00000002
+ED 0xfd000008, 0x00000005
+ED 0xfd000018, 0x00000001
+
+WAIT 1
+
+ED 0xfd000014, 0x00000002
+ED 0xfd000060, 0x00020000
+ED 0xfd000060, 0x00030000
+ED 0xfd000060, 0x00010040
+ED 0xfd000060, 0x00000532
+ED 0xfd000014, 0x00000002
+ED 0xfd000014, 0x00000004
+ED 0xfd000014, 0x00000004
+ED 0xfd000060, 0x00000432
+ED 0xfd000060, 0x000103C0
+ED 0xfd000060, 0x00010040
+
+WAIT 1
+
+ED 0xfd000010, 0x00000001
+ED 0xfd000044, 0x00000613
+ED 0xfd000048, 0x238C003A
+ED 0xfd000014, 0x00000002
+
+LIST "Dummy read"
+DD 0x0c400000, 0x0c400000
+
+ED 0xfd000014, 0x00000002
+ED 0xfd000014, 0x00000004
+ED 0xfd000108, 0x00000080
+ED 0xfd000040, 0x00010000
+
+WAIT 1
+
+LIST "setup cache"
+ED 0xff00001c, 0x0000090b
diff --git a/arch/sh/include/mach-ecovec24/mach/romimage.h b/arch/sh/include/mach-ecovec24/mach/romimage.h
new file mode 100644
index 000000000000..1c8787ecb1c1
--- /dev/null
+++ b/arch/sh/include/mach-ecovec24/mach/romimage.h
@@ -0,0 +1,20 @@
+/* EcoVec board specific boot code:
+ * converts the "partner-jet-script.txt" script into assembly
+ * the assembly code is the first code to be executed in the romImage
+ */
+
+#include <asm/romimage-macros.h>
+#include "partner-jet-setup.txt"
+
+ /* execute icbi after enabling cache */
+ mov.l 1f, r0
+ icbi @r0
+
+ /* jump to cached area */
+ mova 2f, r0
+ jmp @r0
+ nop
+
+ .align 2
+1 : .long 0xa8000000
+2 :
--
GitLab
From 4907d57f76dc1d6c49c19c653fb705b9a2a8487c Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Thu, 10 Sep 2009 01:39:58 +0000
Subject: [PATCH 506/742] sh: EcoVec24: write MAC address in boot
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 81 +++++++++++++++++++++++++++-
1 file changed, 79 insertions(+), 2 deletions(-)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index b44c06058e34..6cd1b782845f 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -17,6 +17,7 @@
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/usb/r8a66597.h>
+#include <linux/i2c.h>
#include <video/sh_mobile_lcdc.h>
#include <media/sh_mobile_ceu.h>
#include <asm/heartbeat.h>
@@ -342,9 +343,77 @@ static struct platform_device *ecovec_devices[] __initdata = {
&ceu1_device,
};
+#define EEPROM_ADDR 0x50
+static u8 mac_read(struct i2c_adapter *a, u8 command)
+{
+ struct i2c_msg msg[2];
+ u8 buf;
+ int ret;
+
+ msg[0].addr = EEPROM_ADDR;
+ msg[0].flags = 0;
+ msg[0].len = 1;
+ msg[0].buf = &command;
+
+ msg[1].addr = EEPROM_ADDR;
+ msg[1].flags = I2C_M_RD;
+ msg[1].len = 1;
+ msg[1].buf = &buf;
+
+ ret = i2c_transfer(a, msg, 2);
+ if (ret < 0) {
+ printk(KERN_ERR "error %d\n", ret);
+ buf = 0xff;
+ }
+
+ return buf;
+}
+
+#define MAC_LEN 6
+static void __init sh_eth_init(void)
+{
+ struct i2c_adapter *a = i2c_get_adapter(1);
+ struct clk *eth_clk;
+ u8 mac[MAC_LEN];
+ int i;
+
+ if (!a) {
+ pr_err("can not get I2C 1\n");
+ return;
+ }
+
+ eth_clk = clk_get(NULL, "eth0");
+ if (!eth_clk) {
+ pr_err("can not get eth0 clk\n");
+ return;
+ }
+
+ /* read MAC address frome EEPROM */
+ for (i = 0; i < MAC_LEN; i++) {
+ mac[i] = mac_read(a, 0x10 + i);
+ msleep(10);
+ }
+
+ /* clock enable */
+ clk_enable(eth_clk);
+
+ /* reset sh-eth */
+ ctrl_outl(0x1, SH_ETH_ADDR + 0x0);
+
+ /* set MAC addr */
+ ctrl_outl((mac[0] << 24) |
+ (mac[1] << 16) |
+ (mac[2] << 8) |
+ (mac[3] << 0), SH_ETH_MAHR);
+ ctrl_outl((mac[4] << 8) |
+ (mac[5] << 0), SH_ETH_MALR);
+
+ clk_put(eth_clk);
+}
+
#define PORT_HIZA 0xA4050158
#define IODRIVEA 0xA405018A
-static int __init devices_setup(void)
+static int __init arch_setup(void)
{
/* enable SCIFA0 */
gpio_request(GPIO_FN_SCIF0_TXD, NULL);
@@ -521,7 +590,15 @@ static int __init devices_setup(void)
return platform_add_devices(ecovec_devices,
ARRAY_SIZE(ecovec_devices));
}
-arch_initcall(devices_setup);
+arch_initcall(arch_setup);
+
+static int __init devices_setup(void)
+{
+ sh_eth_init();
+ return 0;
+}
+device_initcall(devices_setup);
+
static struct sh_machine_vector mv_ecovec __initmv = {
.mv_name = "R0P7724 (EcoVec)",
--
GitLab
From 643e9d10957e80ebbb3aabbb43788eb5cf9ac033 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Thu, 10 Sep 2009 01:40:00 +0000
Subject: [PATCH 507/742] sh: EcoVec24: add HIZA setting for LED
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 6cd1b782845f..4d6d5884c67f 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -428,6 +428,7 @@ static int __init arch_setup(void)
gpio_direction_output(GPIO_PTG1, 0);
gpio_direction_output(GPIO_PTG2, 0);
gpio_direction_output(GPIO_PTG3, 0);
+ ctrl_outw((ctrl_inw(PORT_HIZA) & ~(0x1 << 1)) , PORT_HIZA);
/* enable SH-Eth */
gpio_request(GPIO_PTA1, NULL);
--
GitLab
From c386cff1bf0b9bf37d33291e3c96034e83da2af2 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Thu, 10 Sep 2009 01:40:02 +0000
Subject: [PATCH 508/742] sh: USB disable process is needed if romImage boot
for EcoVec24
when you use romImage on EcoVec24, 1st Linux will enable USB device.
But no-one disable it.
So re-started Linux will get interrupt before USB driver is attached.
This patch disable USB device at first
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt b/arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt
index ae805baec225..8b8e4fa1fee9 100644
--- a/arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt
+++ b/arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt
@@ -77,3 +77,6 @@ WAIT 1
LIST "setup cache"
ED 0xff00001c, 0x0000090b
+
+LIST "disable USB"
+EW 0xA4D80000, 0x0000
--
GitLab
From 094f7bd80c18b3e2c148db6fdf224ced3ee705a5 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Thu, 10 Sep 2009 01:40:05 +0000
Subject: [PATCH 509/742] sh: Add EcoVec24 romImage defconfig
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/configs/ecovec24-romimage_defconfig | 1032 +++++++++++++++++++
1 file changed, 1032 insertions(+)
create mode 100644 arch/sh/configs/ecovec24-romimage_defconfig
diff --git a/arch/sh/configs/ecovec24-romimage_defconfig b/arch/sh/configs/ecovec24-romimage_defconfig
new file mode 100644
index 000000000000..9a22c64775be
--- /dev/null
+++ b/arch/sh/configs/ecovec24-romimage_defconfig
@@ -0,0 +1,1032 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.31-rc7
+# Tue Sep 8 13:56:18 2009
+#
+CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+# CONFIG_SUPERH64 is not set
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_IRQ_PER_CPU=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_SYS_SUPPORTS_CMT=y
+CONFIG_SYS_SUPPORTS_TMU=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
+CONFIG_ARCH_HAS_DEFAULT_IDLE=y
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_INITRAMFS_ROOT_UID=0
+CONFIG_INITRAMFS_ROOT_GID=0
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+CONFIG_INITRAMFS_COMPRESSION_NONE=y
+# CONFIG_INITRAMFS_COMPRESSION_GZIP is not set
+# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set
+# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+# CONFIG_KALLSYMS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_HAVE_PERF_COUNTERS=y
+
+#
+# Performance Counters
+#
+# CONFIG_PERF_COUNTERS is not set
+CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_STRIP_ASM_SYMS is not set
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+# CONFIG_MODULES is not set
+CONFIG_BLOCK=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_FREEZER is not set
+
+#
+# System type
+#
+CONFIG_CPU_SH4=y
+CONFIG_CPU_SH4A=y
+CONFIG_CPU_SHX2=y
+CONFIG_ARCH_SHMOBILE=y
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7201 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7706 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+# CONFIG_CPU_SUBTYPE_SH7710 is not set
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+# CONFIG_CPU_SUBTYPE_SH7751R is not set
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+CONFIG_CPU_SUBTYPE_SH7724=y
+# CONFIG_CPU_SUBTYPE_SH7757 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SH7786 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
+# CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+
+#
+# Memory management options
+#
+CONFIG_QUICKLIST=y
+CONFIG_MMU=y
+CONFIG_PAGE_OFFSET=0x80000000
+CONFIG_FORCE_MAX_ZONEORDER=11
+CONFIG_MEMORY_START=0x08000000
+CONFIG_MEMORY_SIZE=0x08000000
+CONFIG_29BIT=y
+# CONFIG_X2TLB is not set
+CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+
+#
+# Cache configuration
+#
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
+CONFIG_SH_FPU=y
+# CONFIG_SH_STORE_QUEUES is not set
+CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_FPU=y
+
+#
+# Board support
+#
+# CONFIG_SH_7724_SOLUTION_ENGINE is not set
+# CONFIG_SH_KFR2R09 is not set
+CONFIG_SH_ECOVEC=y
+
+#
+# Timer and clock configuration
+#
+# CONFIG_SH_TIMER_TMU is not set
+CONFIG_SH_TIMER_CMT=y
+CONFIG_SH_PCLK_FREQ=33333333
+CONFIG_SH_CLK_CPG=y
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+# CONFIG_SH_DMA is not set
+
+#
+# Companion Chips
+#
+
+#
+# Additional SuperH Device Drivers
+#
+# CONFIG_HEARTBEAT is not set
+# CONFIG_PUSH_SWITCH is not set
+
+#
+# Kernel features
+#
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_KEXEC=y
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_GUSA=y
+# CONFIG_SPARSE_IRQ is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x00800000
+CONFIG_ENTRY_OFFSET=0x00001000
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="console=ttySC0,115200"
+
+#
+# Bus options
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options (EXPERIMENTAL)
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+# CONFIG_SUSPEND is not set
+# CONFIG_HIBERNATION is not set
+CONFIG_PM_RUNTIME=y
+# CONFIG_CPU_IDLE is not set
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_PNP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+# CONFIG_SCSI_LOWLEVEL is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
+# CONFIG_FIXED_PHY is not set
+CONFIG_MDIO_BITBANG=y
+# CONFIG_MDIO_GPIO is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_STNIC is not set
+CONFIG_SH_ETH=y
+# CONFIG_SMC91X is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=6
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+# CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_SH_MOBILE=y
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
+
+#
+# Miscellaneous USB options
+#
+# CONFIG_USB_DEVICEFS is not set
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_SUSPEND is not set
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+# CONFIG_USB_MON is not set
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+CONFIG_USB_R8A66597_HCD=y
+# CONFIG_USB_HWA_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+
+#
+# also be needed; see USB_STORAGE Help for more info
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
+# CONFIG_USB_GADGET is not set
+
+#
+# OTG and related infrastructure
+#
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_NOP_USB_XCEIV is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+CONFIG_FILE_LOCKING=y
+# CONFIG_FSNOTIFY is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_INOTIFY_USER is not set
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+# CONFIG_NETWORK_FILESYSTEMS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+# CONFIG_NLS_CODEPAGE_437 is not set
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+# CONFIG_NLS_ISO8859_1 is not set
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_KERNEL is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FTRACE_SYSCALLS=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_DMA_API_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_SH_STANDARD_BIOS is not set
+# CONFIG_EARLY_SCIF_CONSOLE is not set
+# CONFIG_DWARF_UNWINDER is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_HAVE_LMB=y
+CONFIG_NLATTR=y
+CONFIG_GENERIC_ATOMIC64=y
--
GitLab
From 6a78ec16ca40cc98e387b2d8d80adbeedda02bbc Mon Sep 17 00:00:00 2001
From: Yusuke Goda <goda.yusuke@renesas.com>
Date: Fri, 11 Sep 2009 02:42:46 +0000
Subject: [PATCH 510/742] sh: Fix the indication point of the liquid crystal of
AP-325RXA(AP3300)
Signed-off-by: Yusuke Goda <goda.yusuke@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/board-ap325rxa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 19eea4ab1ccc..bcf1f40bcc6c 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -188,7 +188,7 @@ static struct sh_mobile_lcdc_info lcdc_info = {
.name = "LB070WV1",
.xres = 800,
.yres = 480,
- .left_margin = 40,
+ .left_margin = 32,
.right_margin = 160,
.hsync_len = 8,
.upper_margin = 63,
--
GitLab
From f79e0258ea1f04d63db499479b5fb855dff6dbc5 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 11 Sep 2009 15:33:05 +0200
Subject: [PATCH 511/742] clocksource: Resolve cpu hotplug dead lock with TSC
unstable, fix crash
The watchdog timer is started after the watchdog clocksource
and at least one watched clocksource have been registered. The
clocksource work element watchdog_work is initialized just
before the clocksource timer is started. This is too late for
the clocksource_mark_unstable call from native_cpu_up. To fix
this use a static initializer for watchdog_work.
This resolves a boot crash reported by multiple people.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: John Stultz <johnstul@us.ibm.com>
LKML-Reference: <20090911153305.3fe9a361@skybase>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
kernel/time/clocksource.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index a0af4ffcb6e5..5697155f1868 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -123,10 +123,12 @@ static DEFINE_MUTEX(clocksource_mutex);
static char override_name[32];
#ifdef CONFIG_CLOCKSOURCE_WATCHDOG
+static void clocksource_watchdog_work(struct work_struct *work);
+
static LIST_HEAD(watchdog_list);
static struct clocksource *watchdog;
static struct timer_list watchdog_timer;
-static struct work_struct watchdog_work;
+static DECLARE_WORK(watchdog_work, clocksource_watchdog_work);
static DEFINE_SPINLOCK(watchdog_lock);
static cycle_t watchdog_last;
static int watchdog_running;
@@ -257,7 +259,6 @@ static inline void clocksource_start_watchdog(void)
{
if (watchdog_running || !watchdog || list_empty(&watchdog_list))
return;
- INIT_WORK(&watchdog_work, clocksource_watchdog_work);
init_timer(&watchdog_timer);
watchdog_timer.function = clocksource_watchdog;
watchdog_last = watchdog->read(watchdog);
--
GitLab
From 7ad9bb651fc2036ea94bed94da76a4b08959a911 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 11 Sep 2009 16:51:28 -0400
Subject: [PATCH 512/742] ext4: Fix initalization of s_flex_groups
The s_flex_groups array should have been initialized using atomic_add
to sum up the free counts from the block groups that make up a
flex_bg. By using atomic_set, the value of the s_flex_groups array
was set to the values of the last block group in the flex_bg.
The impact of this bug is that the block and inode allocation
algorithms might not pick the best flex_bg for new allocation.
Thanks to Damien Guibouret for pointing out this problem!
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/super.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9f6fa3f74629..04c693357336 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1694,12 +1694,12 @@ static int ext4_fill_flex_info(struct super_block *sb)
gdp = ext4_get_group_desc(sb, i, NULL);
flex_group = ext4_flex_group(sbi, i);
- atomic_set(&sbi->s_flex_groups[flex_group].free_inodes,
- ext4_free_inodes_count(sb, gdp));
- atomic_set(&sbi->s_flex_groups[flex_group].free_blocks,
- ext4_free_blks_count(sb, gdp));
- atomic_set(&sbi->s_flex_groups[flex_group].used_dirs,
- ext4_used_dirs_count(sb, gdp));
+ atomic_add(ext4_free_inodes_count(sb, gdp),
+ &sbi->s_flex_groups[flex_group].free_inodes);
+ atomic_add(ext4_free_blks_count(sb, gdp),
+ &sbi->s_flex_groups[flex_group].free_blocks);
+ atomic_add(ext4_used_dirs_count(sb, gdp),
+ &sbi->s_flex_groups[flex_group].used_dirs);
}
return 1;
--
GitLab
From 2fd5a021071ef54c503ab8d9894acae3eccf4f92 Mon Sep 17 00:00:00 2001
From: Rafael Ignacio Zurita <rizurita@yahoo.com>
Date: Mon, 14 Sep 2009 03:01:58 +0000
Subject: [PATCH 513/742] sh: clkfwk: remove bogus set_bus_parent() from
SH7709.
This fixes up broken clock re-parenting undertaken by the SH7709 clock
framework code, which is currently in conflict with the legacy CPG
framework. With this change in place, the legacy CPG ancestry is used,
and we manage to avoid contending on the clock_list_sem mutex, which is
already held under the legacy registration path, resulting in livelock.
In order for SH7709 to fully support the varying clock modes, it needs to
implement a more complete clock framework. After this change it is in
sync with legacy CPG mode, which ends up being the default configuration
for this CPU anyways.
Signed-off-by: Rafael Ignacio Zurita <rizurita@yahoo.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh3/clock-sh7709.c | 11 -----------
1 file changed, 11 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh3/clock-sh7709.c b/arch/sh/kernel/cpu/sh3/clock-sh7709.c
index fa30b6017730..e8749505bd2a 100644
--- a/arch/sh/kernel/cpu/sh3/clock-sh7709.c
+++ b/arch/sh/kernel/cpu/sh3/clock-sh7709.c
@@ -22,13 +22,6 @@ static int stc_multipliers[] = { 1, 2, 4, 8, 3, 6, 1, 1 };
static int ifc_divisors[] = { 1, 2, 4, 1, 3, 1, 1, 1 };
static int pfc_divisors[] = { 1, 2, 4, 1, 3, 6, 1, 1 };
-static void set_bus_parent(struct clk *clk)
-{
- struct clk *bus_clk = clk_get(NULL, "bus_clk");
- clk->parent = bus_clk;
- clk_put(bus_clk);
-}
-
static void master_clk_init(struct clk *clk)
{
int frqcr = ctrl_inw(FRQCR);
@@ -50,9 +43,6 @@ static unsigned long module_clk_recalc(struct clk *clk)
}
static struct clk_ops sh7709_module_clk_ops = {
-#ifdef CLOCK_MODE_0_1_2_7
- .init = set_bus_parent,
-#endif
.recalc = module_clk_recalc,
};
@@ -78,7 +68,6 @@ static unsigned long cpu_clk_recalc(struct clk *clk)
}
static struct clk_ops sh7709_cpu_clk_ops = {
- .init = set_bus_parent,
.recalc = cpu_clk_recalc,
};
--
GitLab
From 3639dfb57d39747a3069678237e8ab810525fcb0 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 14 Sep 2009 17:29:35 +0900
Subject: [PATCH 514/742] sh: multi-evt support for SH-X3 proto CPU.
This adds support for multiple vectors per unique IRQ masking source on
the SH-X3 proto CPU.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpu/sh4a/setup-shx3.c | 55 ++++++++++------------------
1 file changed, 20 insertions(+), 35 deletions(-)
diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
index 07f078961c71..e848443deeb9 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
@@ -268,11 +268,7 @@ enum {
UNUSED = 0,
/* interrupt sources */
- IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
- IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
- IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
- IRL_HHLL, IRL_HHLH, IRL_HHHL,
- IRQ0, IRQ1, IRQ2, IRQ3,
+ IRL, IRQ0, IRQ1, IRQ2, IRQ3,
HUDII,
TMU0, TMU1, TMU2, TMU3, TMU4, TMU5,
PCII0, PCII1, PCII2, PCII3, PCII4,
@@ -287,10 +283,7 @@ enum {
DMAC1_DMINT6, DMAC1_DMINT7, DMAC1_DMINT8, DMAC1_DMINT9,
DMAC1_DMINT10, DMAC1_DMINT11, DMAC1_DMAE,
IIC, VIN0, VIN1, VCORE0, ATAPI,
- DTU0_TEND, DTU0_AE, DTU0_TMISS,
- DTU1_TEND, DTU1_AE, DTU1_TMISS,
- DTU2_TEND, DTU2_AE, DTU2_TMISS,
- DTU3_TEND, DTU3_AE, DTU3_TMISS,
+ DTU0, DTU1, DTU2, DTU3,
FE0, FE1,
GPIO0, GPIO1, GPIO2, GPIO3,
PAM, IRM,
@@ -298,8 +291,8 @@ enum {
INTICI4, INTICI5, INTICI6, INTICI7,
/* interrupt groups */
- IRL, PCII56789, SCIF0, SCIF1, SCIF2, SCIF3,
- DMAC0, DMAC1, DTU0, DTU1, DTU2, DTU3,
+ PCII56789, SCIF0, SCIF1, SCIF2, SCIF3,
+ DMAC0, DMAC1,
};
static struct intc_vect vectors[] __initdata = {
@@ -332,14 +325,14 @@ static struct intc_vect vectors[] __initdata = {
INTC_VECT(IIC, 0xae0),
INTC_VECT(VIN0, 0xb00), INTC_VECT(VIN1, 0xb20),
INTC_VECT(VCORE0, 0xb00), INTC_VECT(ATAPI, 0xb60),
- INTC_VECT(DTU0_TEND, 0xc00), INTC_VECT(DTU0_AE, 0xc20),
- INTC_VECT(DTU0_TMISS, 0xc40),
- INTC_VECT(DTU1_TEND, 0xc60), INTC_VECT(DTU1_AE, 0xc80),
- INTC_VECT(DTU1_TMISS, 0xca0),
- INTC_VECT(DTU2_TEND, 0xcc0), INTC_VECT(DTU2_AE, 0xce0),
- INTC_VECT(DTU2_TMISS, 0xd00),
- INTC_VECT(DTU3_TEND, 0xd20), INTC_VECT(DTU3_AE, 0xd40),
- INTC_VECT(DTU3_TMISS, 0xd60),
+ INTC_VECT(DTU0, 0xc00), INTC_VECT(DTU0, 0xc20),
+ INTC_VECT(DTU0, 0xc40),
+ INTC_VECT(DTU1, 0xc60), INTC_VECT(DTU1, 0xc80),
+ INTC_VECT(DTU1, 0xca0),
+ INTC_VECT(DTU2, 0xcc0), INTC_VECT(DTU2, 0xce0),
+ INTC_VECT(DTU2, 0xd00),
+ INTC_VECT(DTU3, 0xd20), INTC_VECT(DTU3, 0xd40),
+ INTC_VECT(DTU3, 0xd60),
INTC_VECT(FE0, 0xe00), INTC_VECT(FE1, 0xe20),
INTC_VECT(GPIO0, 0xe40), INTC_VECT(GPIO1, 0xe60),
INTC_VECT(GPIO2, 0xe80), INTC_VECT(GPIO3, 0xea0),
@@ -351,10 +344,6 @@ static struct intc_vect vectors[] __initdata = {
};
static struct intc_group groups[] __initdata = {
- INTC_GROUP(IRL, IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
- IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
- IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
- IRL_HHLL, IRL_HHLH, IRL_HHHL),
INTC_GROUP(PCII56789, PCII5, PCII6, PCII7, PCII8, PCII9),
INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
@@ -364,10 +353,6 @@ static struct intc_group groups[] __initdata = {
DMAC0_DMINT3, DMAC0_DMINT4, DMAC0_DMINT5, DMAC0_DMAE),
INTC_GROUP(DMAC1, DMAC1_DMINT6, DMAC1_DMINT7, DMAC1_DMINT8,
DMAC1_DMINT9, DMAC1_DMINT10, DMAC1_DMINT11),
- INTC_GROUP(DTU0, DTU0_TEND, DTU0_AE, DTU0_TMISS),
- INTC_GROUP(DTU1, DTU1_TEND, DTU1_AE, DTU1_TMISS),
- INTC_GROUP(DTU2, DTU2_TEND, DTU2_AE, DTU2_TMISS),
- INTC_GROUP(DTU3, DTU3_TEND, DTU3_AE, DTU3_TMISS),
};
static struct intc_mask_reg mask_registers[] __initdata = {
@@ -434,14 +419,14 @@ static DECLARE_INTC_DESC(intc_desc_irq, "shx3-irq", vectors_irq, groups,
/* External interrupt pins in IRL mode */
static struct intc_vect vectors_irl[] __initdata = {
- INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
- INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
- INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
- INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
- INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
- INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
- INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
- INTC_VECT(IRL_HHHL, 0x3c0),
+ INTC_VECT(IRL, 0x200), INTC_VECT(IRL, 0x220),
+ INTC_VECT(IRL, 0x240), INTC_VECT(IRL, 0x260),
+ INTC_VECT(IRL, 0x280), INTC_VECT(IRL, 0x2a0),
+ INTC_VECT(IRL, 0x2c0), INTC_VECT(IRL, 0x2e0),
+ INTC_VECT(IRL, 0x300), INTC_VECT(IRL, 0x320),
+ INTC_VECT(IRL, 0x340), INTC_VECT(IRL, 0x360),
+ INTC_VECT(IRL, 0x380), INTC_VECT(IRL, 0x3a0),
+ INTC_VECT(IRL, 0x3c0),
};
static DECLARE_INTC_DESC(intc_desc_irl, "shx3-irl", vectors_irl, groups,
--
GitLab
From e6c733050faa93ce616bfedccd279ab12cffdd7b Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 14 Sep 2009 19:51:11 +0200
Subject: [PATCH 515/742] clocksource: clocksource_select must be called with
mutex locked
The callers of clocksource_select must hold clocksource_mutex to
protect the clocksource_list.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
kernel/time/clocksource.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 5697155f1868..2c2e5ba1453d 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -471,7 +471,9 @@ static void clocksource_select(void)
static int __init clocksource_done_booting(void)
{
finished_booting = 1;
+ mutex_lock(&clocksource_mutex);
clocksource_select();
+ mutex_unlock(&clocksource_mutex);
return 0;
}
fs_initcall(clocksource_done_booting);
--
GitLab
From 54a6bc0b071c50150bc6d1da16c2cd9a963e288c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 14 Sep 2009 19:49:02 +0200
Subject: [PATCH 516/742] clocksource: Delay clocksource down rating to late
boot
The down rating of clock sources in the early boot process via the
clock source watchdog mechanism can happen way before the per cpu
event queues are initialized. This leads to a boot crash on x86 when
the TSC is marked unstable in the SMP bring up.
The selection of a clock source for time keeping happens in the late
boot process so we can safely delay the list manipulation until
clocksource_done_booting() is called.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
kernel/time/clocksource.c | 28 ++++++++++++++++++----------
1 file changed, 18 insertions(+), 10 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 2c2e5ba1453d..09113347d328 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -121,6 +121,7 @@ static struct clocksource *curr_clocksource;
static LIST_HEAD(clocksource_list);
static DEFINE_MUTEX(clocksource_mutex);
static char override_name[32];
+static int finished_booting;
#ifdef CONFIG_CLOCKSOURCE_WATCHDOG
static void clocksource_watchdog_work(struct work_struct *work);
@@ -155,7 +156,8 @@ static void __clocksource_unstable(struct clocksource *cs)
{
cs->flags &= ~(CLOCK_SOURCE_VALID_FOR_HRES | CLOCK_SOURCE_WATCHDOG);
cs->flags |= CLOCK_SOURCE_UNSTABLE;
- schedule_work(&watchdog_work);
+ if (finished_booting)
+ schedule_work(&watchdog_work);
}
static void clocksource_unstable(struct clocksource *cs, int64_t delta)
@@ -207,7 +209,8 @@ static void clocksource_watchdog(unsigned long data)
/* Clocksource already marked unstable? */
if (cs->flags & CLOCK_SOURCE_UNSTABLE) {
- schedule_work(&watchdog_work);
+ if (finished_booting)
+ schedule_work(&watchdog_work);
continue;
}
@@ -380,6 +383,7 @@ static void clocksource_enqueue_watchdog(struct clocksource *cs)
static inline void clocksource_dequeue_watchdog(struct clocksource *cs) { }
static inline void clocksource_resume_watchdog(void) { }
+static inline int clocksource_watchdog_kthread(void *data) { return 0; }
#endif /* CONFIG_CLOCKSOURCE_WATCHDOG */
@@ -415,8 +419,6 @@ void clocksource_touch_watchdog(void)
#ifdef CONFIG_GENERIC_TIME
-static int finished_booting;
-
/**
* clocksource_select - Select the best clocksource available
*
@@ -461,6 +463,12 @@ static void clocksource_select(void)
}
}
+#else /* CONFIG_GENERIC_TIME */
+
+static inline void clocksource_select(void) { }
+
+#endif
+
/*
* clocksource_done_booting - Called near the end of core bootup
*
@@ -471,6 +479,12 @@ static void clocksource_select(void)
static int __init clocksource_done_booting(void)
{
finished_booting = 1;
+
+ /*
+ * Run the watchdog first to eliminate unstable clock sources
+ */
+ clocksource_watchdog_kthread(NULL);
+
mutex_lock(&clocksource_mutex);
clocksource_select();
mutex_unlock(&clocksource_mutex);
@@ -478,12 +492,6 @@ static int __init clocksource_done_booting(void)
}
fs_initcall(clocksource_done_booting);
-#else /* CONFIG_GENERIC_TIME */
-
-static inline void clocksource_select(void) { }
-
-#endif
-
/*
* Enqueue the clocksource sorted by rating
*/
--
GitLab
From 4295ab34883d2070b1145e14f4619478e9788807 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <[seto.hidetoshi@jp.fujitsu.com]>
Date: Thu, 6 Aug 2009 14:51:56 -0700
Subject: [PATCH 517/742] [IA64] kdump: Mask MCA/INIT on frozen cpus
Summary:
INIT asserted on kdump kernel invokes INIT handler not only on a
cpu that running on the kdump kernel, but also BSP of the panicked
kernel, because the (badly) frozen BSP can be thawed by INIT.
Description:
The kdump_cpu_freeze() is called on cpus except one that initiates
panic and/or kdump, to stop/offline the cpu (on ia64, it means we
pass control of cpus to SAL, or put them in spinloop). Note that
CPU0(BSP) always go to spinloop, so if panic was happened on an AP,
there are at least 2cpus (= the AP and BSP) which not back to SAL.
On the spinning cpus, interrupts are disabled (rsm psr.i), but INIT
is still interruptible because psr.mc for mask them is not set unless
kdump_cpu_freeze() is not called from MCA/INIT context.
Therefore, assume that a panic was happened on an AP, kdump was
invoked, new INIT handlers for kdump kernel was registered and then
an INIT is asserted. From the viewpoint of SAL, there are 2 online
cpus, so INIT will be delivered to both of them. It likely means
that not only the AP (= a cpu executing kdump) enters INIT handler
which is newly registered, but also BSP (= another cpu spinning in
panicked kernel) enters the same INIT handler. Of course setting of
registers in BSP are still old (for panicked kernel), so what happen
with running handler with wrong setting will be extremely unexpected.
I believe this is not desirable behavior.
How to Reproduce:
Start kdump on one of APs (e.g. cpu1)
# taskset 0x2 echo c > /proc/sysrq-trigger
Then assert INIT after kdump kernel is booted, after new INIT handler
for kdump kernel is registered.
Expected results:
An INIT handler is invoked only on the AP.
Actual results:
An INIT handler is invoked on the AP and BSP.
Sample of results:
I got following console log by asserting INIT after prompt "root:/>".
It seems that two monarchs appeared by one INIT, and one panicked at
last. And it also seems that the panicked one supposed there were
4 online cpus and no one did rendezvous:
:
[ 0 %]dropping to initramfs shell
exiting this shell will reboot your system
root:/> Entered OS INIT handler. PSP=fff301a0 cpu=0 monarch=0
ia64_init_handler: Promoting cpu 0 to monarch.
Delaying for 5 seconds...
All OS INIT slaves have reached rendezvous
Processes interrupted by INIT - 0 (cpu 0 task 0xa000000100af0000)
:
<<snip>>
:
Entered OS INIT handler. PSP=fff301a0 cpu=0 monarch=1
Delaying for 5 seconds...
mlogbuf_finish: printing switched to urgent mode, MCA/INIT might be dodgy or fail.
OS INIT slave did not rendezvous on cpu 1 2 3
INIT swapper 0[0]: bugcheck! 0 [1]
:
<<snip>>
:
Kernel panic - not syncing: Attempted to kill the idle task!
Proposed fix:
To avoid this problem, this patch inserts ia64_set_psr_mc() to mask
INIT on cpus going to be frozen. This masking have no effect if the
kdump_cpu_freeze() is called from INIT handler when kdump_on_init == 1,
because psr.mc is already turned on to 1 before entering OS_INIT.
I confirmed that weird log like above are disappeared after applying
this patch.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Haren Myneni <hbabu@us.ibm.com>
Cc: kexec@lists.infradead.org
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/include/asm/mca.h | 1 +
arch/ia64/kernel/crash.c | 4 ++++
arch/ia64/kernel/head.S | 2 +-
arch/ia64/kernel/mca_asm.S | 27 +++++++++++++++++++++++++++
4 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/arch/ia64/include/asm/mca.h b/arch/ia64/include/asm/mca.h
index 44a0b53df900..cb0952f51836 100644
--- a/arch/ia64/include/asm/mca.h
+++ b/arch/ia64/include/asm/mca.h
@@ -151,6 +151,7 @@ extern void ia64_mca_cmc_vector_setup(void);
extern int ia64_reg_MCA_extension(int (*fn)(void *, struct ia64_sal_os_state *));
extern void ia64_unreg_MCA_extension(void);
extern unsigned long ia64_get_rnat(unsigned long *);
+extern void ia64_set_psr_mc(void);
extern void ia64_mca_printk(const char * fmt, ...)
__attribute__ ((format (printf, 1, 2)));
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index f065093f8e9b..3f3a5797d198 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -129,10 +129,14 @@ void
kdump_cpu_freeze(struct unw_frame_info *info, void *arg)
{
int cpuid;
+
local_irq_disable();
cpuid = smp_processor_id();
crash_save_this_cpu();
current->thread.ksp = (__u64)info->sw - 16;
+
+ ia64_set_psr_mc(); /* mask MCA/INIT and stop reentrance */
+
atomic_inc(&kdump_cpu_frozen);
kdump_status[cpuid] = 1;
mb();
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 23f846de62d5..e1f97ac9eefd 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -1242,7 +1242,7 @@ GLOBAL_ENTRY(ia64_jump_to_sal)
movl r16=SAL_PSR_BITS_TO_SET;;
mov cr.ipsr=r16
mov cr.ifs=r0;;
- rfi;;
+ rfi;; // note: this unmask MCA/INIT (psr.mc)
1:
/*
* Invalidate all TLB data/inst
diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index a06d46548ff9..8d2eabe3119f 100644
--- a/arch/ia64/kernel/mca_asm.S
+++ b/arch/ia64/kernel/mca_asm.S
@@ -1073,3 +1073,30 @@ GLOBAL_ENTRY(ia64_get_rnat)
mov ar.rsc=3
br.ret.sptk.many rp
END(ia64_get_rnat)
+
+
+// void ia64_set_psr_mc(void)
+//
+// Set psr.mc bit to mask MCA/INIT.
+GLOBAL_ENTRY(ia64_set_psr_mc)
+ rsm psr.i | psr.ic // disable interrupts
+ ;;
+ srlz.d
+ ;;
+ mov r14 = psr // get psr{36:35,31:0}
+ movl r15 = 1f
+ ;;
+ dep r14 = -1, r14, PSR_MC, 1 // set psr.mc
+ ;;
+ dep r14 = -1, r14, PSR_IC, 1 // set psr.ic
+ ;;
+ dep r14 = -1, r14, PSR_BN, 1 // keep bank1 in use
+ ;;
+ mov cr.ipsr = r14
+ mov cr.ifs = r0
+ mov cr.iip = r15
+ ;;
+ rfi
+1:
+ br.ret.sptk.many rp
+END(ia64_set_psr_mc)
--
GitLab
From 07a6a4ae827b54cec4c1b1d92bed1cc9176b45ec Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <[seto.hidetoshi@jp.fujitsu.com]>
Date: Thu, 6 Aug 2009 14:51:56 -0700
Subject: [PATCH 518/742] [IA64] kexec: Make INIT safe while transition to
kdump/kexec kernel
Summary:
Asserting INIT on the beginning of kdump/kexec kernel will result
in unexpected behavior because INIT handler for previous kernel is
invoked on new kernel.
Description:
In panic situation, we can receive INIT while kernel transition,
i.e. from beginning of panic to bootstrap of kdump kernel.
Since we initialize registers on leave from current kernel, no
longer monarch/slave handlers of current kernel in virtual mode are
called safely. (In fact system goes hang as far as I confirmed)
How to Reproduce:
Start kdump
# echo c > /proc/sysrq-trigger
Then assert INIT while kdump kernel is booting, before new INIT
handler for kdump kernel is registered.
Expected(Desirable) result:
kdump kernel boots without any problem, crashdump retrieved
Actual result:
INIT handler for previous kernel is invoked on kdump kernel
=> panic, hang etc. (unexpected)
Proposed fix:
We can unregister these init handlers from SAL before jumping into
new kernel, however then the INIT will fallback to default behavior,
result in warmboot by SAL (according to the SAL specification) and
we cannot retrieve the crashdump.
Therefore this patch introduces a NOP init handler and register it
to SAL before leave from current kernel, to start kdump safely by
preventing INITs from entering virtual mode and resulting in warmboot.
On the other hand, in case of kexec that not for kdump, it also
has same problem with INIT while kernel transition.
This patch handles this case differently, because for kexec
unregistering handlers will be preferred than registering NOP
handler, since the situation "no handlers registered" is usual
state for kernel's entry.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Haren Myneni <hbabu@us.ibm.com>
Cc: kexec@lists.infradead.org
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/include/asm/mca.h | 1 +
arch/ia64/kernel/machine_kexec.c | 12 ++++++++++++
arch/ia64/kernel/mca_asm.S | 20 ++++++++++++++++++++
3 files changed, 33 insertions(+)
diff --git a/arch/ia64/include/asm/mca.h b/arch/ia64/include/asm/mca.h
index cb0952f51836..c171cdf0a789 100644
--- a/arch/ia64/include/asm/mca.h
+++ b/arch/ia64/include/asm/mca.h
@@ -145,6 +145,7 @@ extern void ia64_mca_ucmc_handler(struct pt_regs *, struct ia64_sal_os_state *);
extern void ia64_init_handler(struct pt_regs *,
struct switch_stack *,
struct ia64_sal_os_state *);
+extern void ia64_os_init_on_kdump(void);
extern void ia64_monarch_init_handler(void);
extern void ia64_slave_init_handler(void);
extern void ia64_mca_cmc_vector_setup(void);
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index 0823de1f6ebe..571d66373e0a 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -24,6 +24,8 @@
#include <asm/delay.h>
#include <asm/meminit.h>
#include <asm/processor.h>
+#include <asm/sal.h>
+#include <asm/mca.h>
typedef NORET_TYPE void (*relocate_new_kernel_t)(
unsigned long indirection_page,
@@ -85,11 +87,21 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg)
void *pal_addr = efi_get_pal_addr();
unsigned long code_addr = (unsigned long)page_address(image->control_code_page);
int ii;
+ u64 fp, gp;
+ ia64_fptr_t *init_handler = (ia64_fptr_t *)ia64_os_init_on_kdump;
BUG_ON(!image);
if (image->type == KEXEC_TYPE_CRASH) {
crash_save_this_cpu();
current->thread.ksp = (__u64)info->sw - 16;
+
+ /* Register noop init handler */
+ fp = ia64_tpa(init_handler->fp);
+ gp = ia64_tpa(ia64_getreg(_IA64_REG_GP));
+ ia64_sal_set_vectors(SAL_VECTOR_OS_INIT, fp, gp, 0, fp, gp, 0);
+ } else {
+ /* Unregister init handlers of current kernel */
+ ia64_sal_set_vectors(SAL_VECTOR_OS_INIT, 0, 0, 0, 0, 0, 0);
}
/* Interrupts aren't acceptable while we reboot */
diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index 8d2eabe3119f..7461d2573d41 100644
--- a/arch/ia64/kernel/mca_asm.S
+++ b/arch/ia64/kernel/mca_asm.S
@@ -40,6 +40,7 @@
.global ia64_do_tlb_purge
.global ia64_os_mca_dispatch
+ .global ia64_os_init_on_kdump
.global ia64_os_init_dispatch_monarch
.global ia64_os_init_dispatch_slave
@@ -298,6 +299,25 @@ END(ia64_os_mca_virtual_begin)
//StartMain////////////////////////////////////////////////////////////////////
+//
+// NOP init handler for kdump. In panic situation, we may receive INIT
+// while kernel transition. Since we initialize registers on leave from
+// current kernel, no longer monarch/slave handlers of current kernel in
+// virtual mode are called safely.
+// We can unregister these init handlers from SAL, however then the INIT
+// will result in warmboot by SAL and we cannot retrieve the crashdump.
+// Therefore register this NOP function to SAL, to prevent entering virtual
+// mode and resulting warmboot by SAL.
+//
+ia64_os_init_on_kdump:
+ mov r8=r0 // IA64_INIT_RESUME
+ mov r9=r10 // SAL_GP
+ mov r22=r17 // *minstate
+ ;;
+ mov r10=r0 // return to same context
+ mov b0=r12 // SAL_CHECK return address
+ br b0
+
//
// SAL to OS entry point for INIT on all processors. This has been defined for
// registration purposes with SAL as a part of ia64_mca_init. Monarch and
--
GitLab
From 6cc3efcdf01cf874ffe770919395918a3ee9365b Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <[seto.hidetoshi@jp.fujitsu.com]>
Date: Thu, 6 Aug 2009 14:51:57 -0700
Subject: [PATCH 519/742] [IA64] kexec: Unregister MCA handler before kexec
Summary:
MCA on the beginning of kdump/kexec kernel will result in unexpected
behavior because MCA handler for previous kernel is invoked on the
kdump kernel.
Description:
Once a cpu is passed to new kernel, all resources in previous kernel
should not be used from the cpu. Even the resources for MCA handler
are no exception. So we cannot handle MCAs and its machine check
errors during kernel transition, until new handler for new kernel is
registered with new resources ready for handling the MCA.
How to reproduce:
Assert MCA while kdump kernel is booting, before new MCA handler for
kdump kernel is registered.
Expected(Desirable) results:
No recovery, cancel kdump and reboot the system.
Actual results:
MCA handler for previous kernel is invoked on the kdump kernel.
=> panic, hang etc. (unexpected)
Proposed fix:
To avoid entering MCA handler from early stage of new kernel,
unregister the entry point from SAL before leave from current
kernel. Then SAL will make all MCAs to warmboot safely, without
invoking OS_MCA.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Haren Myneni <hbabu@us.ibm.com>
Cc: kexec@lists.infradead.org
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/kernel/machine_kexec.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index 571d66373e0a..3d3aeef46947 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -104,6 +104,9 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg)
ia64_sal_set_vectors(SAL_VECTOR_OS_INIT, 0, 0, 0, 0, 0, 0);
}
+ /* Unregister mca handler - No more recovery on current kernel */
+ ia64_sal_set_vectors(SAL_VECTOR_OS_MCA, 0, 0, 0, 0, 0, 0);
+
/* Interrupts aren't acceptable while we reboot */
local_irq_disable();
--
GitLab
From 68cb14c7c46d9204ba451a534f15a8bc12c88e28 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <[seto.hidetoshi@jp.fujitsu.com]>
Date: Thu, 6 Aug 2009 14:51:57 -0700
Subject: [PATCH 520/742] [IA64] kdump: Don't return APs to SAL from kdump
Summary:
Asserting INIT on cpu going to be offline will result in unexpected
behavior. It will be a real problem in kdump cases where INIT might
be asserted to unstable APs going to be offline by returning to SAL.
Description:
Since psr.mc is cleared when bits in psr are set to SAL_PSR_BITS_TO_SET
in ia64_jump_to_sal(), there is a small window (~few msecs) that the
cpu can receive INIT even if the cpu enter there via INIT handler.
In this window we do restore of registers for SAL, so INIT asserted
here will not work properly.
It is hard to remove this window by masking INIT (i.e. setting psr.mc)
because we have to unmask it later in OS, because we have to use branch
instruction (br.ret, not rfi) to return SAL, due to OS_BOOT_RENDEZ to
SAL return convention.
I suppose this window will not be a real problem on cpu offline if we
can educate people not to push INIT button during hotplug operation.
However, only exception is a race in kdump and INIT. Now kdump returns
APs to SAL before processing dump, but the kernel might receive INIT at
that point in time. Such INIT might be asserted by kdump itself if an
AP doesn't react IPI soon and kdump decided to use INIT to stop the AP.
Or it might be asserted by operator or an external agent to start dump
on the unstable system.
Such panic+INIT or INIT+INIT cases should be rare, but it will be happy
if we can retrieve crashdump even in such cases.
How to reproduce:
panic+INIT or INIT+INIT, with kdump configured
Expected results:
crashdump is retrieved anyway
Actual results:
panic, hang etc. (unexpected)
Proposed fix
To avoid the window on the way to SAL, this patch stops returning APs
to SAL in case of kdump. In other words, this patch makes APs spin
in OS instead of spinning in SAL.
(* Note: What impact would be there? If a cpu is spinning in SAL,
the cpu is in BOOT_RENDEZ loop, as same as offlined cpu.
In theory if an INIT is asserted there, cpus in the BOOT_RENDEZ loop
should not invoke OS_INIT on it. So in either way, no matter where
the cpu is spinning actually in, once cpu starts spin and act as
"frozen," INIT on the cpu have no effects.
From another point of view, all debug information on the cpu should
have stored to memory before the cpu start to be frozen. So no more
action on the cpu is required.)
I confirmed that the kdump sometime hangs by concurrent INITs (another
INIT after an INIT), and it doesn't hang after applying this patch.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Haren Myneni <hbabu@us.ibm.com>
Cc: kexec@lists.infradead.org
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/kernel/crash.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index 3f3a5797d198..b2a8b3da8af3 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -140,10 +140,6 @@ kdump_cpu_freeze(struct unw_frame_info *info, void *arg)
atomic_inc(&kdump_cpu_frozen);
kdump_status[cpuid] = 1;
mb();
-#ifdef CONFIG_HOTPLUG_CPU
- if (cpuid != 0)
- ia64_jump_to_sal(&sal_boot_rendez_state[cpuid]);
-#endif
for (;;)
cpu_relax();
}
--
GitLab
From 1726b0883dd08636705ea55d577eb0ec314ba427 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <[seto.hidetoshi@jp.fujitsu.com]>
Date: Thu, 6 Aug 2009 14:51:57 -0700
Subject: [PATCH 521/742] [IA64] kdump: Mask INIT first in panic-kdump path
Summary:
Asserting INIT might block kdump if the system is already going to
start kdump via panic.
Description:
INIT can interrupt anywhere in panic path, so it can interrupt in
middle of kdump kicked by panic. Therefore there is a race if kdump
is kicked concurrently, via Panic and via INIT.
INIT could fail to invoke kdump if the system is already going to
start kdump via panic. It could not restart kdump from INIT handler
if some of cpus are already playing dead with INIT masked. It also
means that INIT could block kdump's progress if no monarch is entered
in the INIT rendezvous.
Panic+INIT is a rare, but possible situation since it can be assumed
that the kernel or an internal agent decides to panic the unstable
system while another external agent decides to send an INIT to the
system at same time.
How to reproduce:
Assert INIT just after panic, before all other cpus have frozen
Expected results:
continue kdump invoked by panic, or restart kdump from INIT
Actual results:
might be hang, crashdump not retrieved
Proposed Fix:
This patch masks INIT first in panic path to take the initiative on
kdump, and reuse atomic value kdump_in_progress to make sure there is
only one initiator of kdump. All INITs asserted later should be used
only for freezing all other cpus.
This mask will be removed soon by rfi in relocate_kernel.S, before jump
into kdump kernel, after all cpus are frozen and no-op INIT handler is
registered. So if INIT was in the interval while it is masked, it will
pend on the system and will received just after the rfi, and handled by
the no-op handler.
If there was a MCA event while psr.mc is 1, in theory the event will
pend on the system and will received just after the rfi same as above.
MCA handler is unregistered here at the time, so received MCA will not
reach to OS_MCA and will result in warmboot by SAL.
Note that codes in this masked interval are relatively simpler than
that in MCA/INIT handler which also executed with the mask. So it can
be said that probability of error in this interval is supposed not so
higher than that in MCA/INIT handler.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Haren Myneni <hbabu@us.ibm.com>
Cc: kexec@lists.infradead.org
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/kernel/crash.c | 47 ++++++++++++++++++++++++++----
arch/ia64/kernel/relocate_kernel.S | 2 +-
2 files changed, 42 insertions(+), 7 deletions(-)
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index b2a8b3da8af3..9c851b73f276 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -23,6 +23,7 @@
int kdump_status[NR_CPUS];
static atomic_t kdump_cpu_frozen;
atomic_t kdump_in_progress;
+static int kdump_freeze_monarch;
static int kdump_on_init = 1;
static int kdump_on_fatal_mca = 1;
@@ -108,6 +109,33 @@ machine_crash_shutdown(struct pt_regs *pt)
*/
kexec_disable_iosapic();
#ifdef CONFIG_SMP
+ /*
+ * If kdump_on_init is set and an INIT is asserted here, kdump will
+ * be started again via INIT monarch.
+ */
+ local_irq_disable();
+ ia64_set_psr_mc(); /* mask MCA/INIT */
+ if (atomic_inc_return(&kdump_in_progress) != 1)
+ unw_init_running(kdump_cpu_freeze, NULL);
+
+ /*
+ * Now this cpu is ready for kdump.
+ * Stop all others by IPI or INIT. They could receive INIT from
+ * outside and might be INIT monarch, but only thing they have to
+ * do is falling into kdump_cpu_freeze().
+ *
+ * If an INIT is asserted here:
+ * - All receivers might be slaves, since some of cpus could already
+ * be frozen and INIT might be masked on monarch. In this case,
+ * all slaves will park in while (monarch_cpu == -1) loop before
+ * DIE_INIT_SLAVE_ENTER that for waiting monarch enters.
+ * => TBD: freeze all slaves
+ * - One might be a monarch, but INIT rendezvous will fail since
+ * at least this cpu already have INIT masked so it never join
+ * to the rendezvous. In this case, all slaves and monarch will
+ * be frozen after timeout of the INIT rendezvous.
+ * => TBD: freeze them without waiting timeout
+ */
kdump_smp_send_stop();
/* not all cpu response to IPI, send INIT to freeze them */
if (kdump_wait_cpu_freeze() && kdump_on_init) {
@@ -177,13 +205,18 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
switch (val) {
case DIE_INIT_MONARCH_PROCESS:
if (kdump_on_init) {
- atomic_set(&kdump_in_progress, 1);
+ if (atomic_inc_return(&kdump_in_progress) != 1)
+ kdump_freeze_monarch = 1;
*(nd->monarch_cpu) = -1;
}
break;
case DIE_INIT_MONARCH_LEAVE:
- if (kdump_on_init)
- machine_kdump_on_init();
+ if (kdump_on_init) {
+ if (kdump_freeze_monarch)
+ unw_init_running(kdump_cpu_freeze, NULL);
+ else
+ machine_kdump_on_init();
+ }
break;
case DIE_INIT_SLAVE_LEAVE:
if (atomic_read(&kdump_in_progress))
@@ -196,9 +229,11 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
case DIE_MCA_MONARCH_LEAVE:
/* *(nd->data) indicate if MCA is recoverable */
if (kdump_on_fatal_mca && !(*(nd->data))) {
- atomic_set(&kdump_in_progress, 1);
- *(nd->monarch_cpu) = -1;
- machine_kdump_on_init();
+ if (atomic_inc_return(&kdump_in_progress) == 1) {
+ *(nd->monarch_cpu) = -1;
+ machine_kdump_on_init();
+ }
+ /* We got fatal MCA while kdump!? No way!! */
}
break;
}
diff --git a/arch/ia64/kernel/relocate_kernel.S b/arch/ia64/kernel/relocate_kernel.S
index 903babd22d62..32f6fc131fbe 100644
--- a/arch/ia64/kernel/relocate_kernel.S
+++ b/arch/ia64/kernel/relocate_kernel.S
@@ -52,7 +52,7 @@ GLOBAL_ENTRY(relocate_new_kernel)
srlz.i
;;
mov ar.rnat=r18
- rfi
+ rfi // note: this unmask MCA/INIT (psr.mc)
;;
1:
//physical mode code begin
--
GitLab
From 5959906ee9dee602a46e49c868a7e543e050d605 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <[seto.hidetoshi@jp.fujitsu.com]>
Date: Thu, 6 Aug 2009 14:51:57 -0700
Subject: [PATCH 522/742] [IA64] kdump: Try INIT regardless of
kdump_on_init
CPUs should be frozen if possible, otherwise it might hinder kdump.
So if there are CPUs not respond to IPI, try INIT to stop them.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Haren Myneni <hbabu@us.ibm.com>
Cc: kexec@lists.infradead.org
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/kernel/crash.c | 43 ++++++++++++++++++++--------------------
1 file changed, 21 insertions(+), 22 deletions(-)
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index 9c851b73f276..0995fdc7b299 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -138,8 +138,10 @@ machine_crash_shutdown(struct pt_regs *pt)
*/
kdump_smp_send_stop();
/* not all cpu response to IPI, send INIT to freeze them */
- if (kdump_wait_cpu_freeze() && kdump_on_init) {
+ if (kdump_wait_cpu_freeze()) {
kdump_smp_send_init();
+ /* wait again, don't go ahead if possible */
+ kdump_wait_cpu_freeze();
}
#endif
}
@@ -178,6 +180,19 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
struct ia64_mca_notify_die *nd;
struct die_args *args = data;
+ if (atomic_read(&kdump_in_progress)) {
+ switch (val) {
+ case DIE_INIT_MONARCH_LEAVE:
+ if (!kdump_freeze_monarch)
+ break;
+ /* fall through */
+ case DIE_INIT_SLAVE_LEAVE:
+ case DIE_MCA_RENDZVOUS_LEAVE:
+ unw_init_running(kdump_cpu_freeze, NULL);
+ break;
+ }
+ }
+
if (!kdump_on_init && !kdump_on_fatal_mca)
return NOTIFY_DONE;
@@ -190,41 +205,25 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
}
if (val != DIE_INIT_MONARCH_LEAVE &&
- val != DIE_INIT_SLAVE_LEAVE &&
val != DIE_INIT_MONARCH_PROCESS &&
- val != DIE_MCA_RENDZVOUS_LEAVE &&
val != DIE_MCA_MONARCH_LEAVE)
return NOTIFY_DONE;
nd = (struct ia64_mca_notify_die *)args->err;
- /* Reason code 1 means machine check rendezvous*/
- if ((val == DIE_INIT_MONARCH_LEAVE || val == DIE_INIT_SLAVE_LEAVE
- || val == DIE_INIT_MONARCH_PROCESS) && nd->sos->rv_rc == 1)
- return NOTIFY_DONE;
switch (val) {
case DIE_INIT_MONARCH_PROCESS:
- if (kdump_on_init) {
+ /* Reason code 1 means machine check rendezvous*/
+ if (kdump_on_init && (nd->sos->rv_rc != 1)) {
if (atomic_inc_return(&kdump_in_progress) != 1)
kdump_freeze_monarch = 1;
*(nd->monarch_cpu) = -1;
}
break;
case DIE_INIT_MONARCH_LEAVE:
- if (kdump_on_init) {
- if (kdump_freeze_monarch)
- unw_init_running(kdump_cpu_freeze, NULL);
- else
- machine_kdump_on_init();
- }
- break;
- case DIE_INIT_SLAVE_LEAVE:
- if (atomic_read(&kdump_in_progress))
- unw_init_running(kdump_cpu_freeze, NULL);
- break;
- case DIE_MCA_RENDZVOUS_LEAVE:
- if (atomic_read(&kdump_in_progress))
- unw_init_running(kdump_cpu_freeze, NULL);
+ /* Reason code 1 means machine check rendezvous*/
+ if (kdump_on_init && (nd->sos->rv_rc != 1))
+ machine_kdump_on_init();
break;
case DIE_MCA_MONARCH_LEAVE:
/* *(nd->data) indicate if MCA is recoverable */
--
GitLab
From 0cced40e7c58b1105aef3ca446da7b158a18a9a6 Mon Sep 17 00:00:00 2001
From: Hidetoshi Seto <[seto.hidetoshi@jp.fujitsu.com]>
Date: Thu, 6 Aug 2009 14:51:58 -0700
Subject: [PATCH 523/742] [IA64] kdump: Short path to freeze CPUs
Setting monarch_cpu = -1 to let slaves frozen might not work, because
there might be slaves being late, not entered the rendezvous yet.
Such slaves might be caught in while (monarch_cpu == -1) loop.
Use kdump_in_progress instead of monarch_cpus to break INIT rendezvous
and let all slaves enter DIE_INIT_SLAVE_LEAVE smoothly.
And monarch no longer need to manage rendezvous if once kdump_in_progress
is set, catch the monarch in DIE_INIT_MONARCH_ENTER then.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Haren Myneni <hbabu@us.ibm.com>
Cc: kexec@lists.infradead.org
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/kernel/crash.c | 15 ++++++---------
arch/ia64/kernel/mca.c | 15 +++++++++++++--
2 files changed, 19 insertions(+), 11 deletions(-)
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index 0995fdc7b299..6631a9dfafdc 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -127,14 +127,13 @@ machine_crash_shutdown(struct pt_regs *pt)
* If an INIT is asserted here:
* - All receivers might be slaves, since some of cpus could already
* be frozen and INIT might be masked on monarch. In this case,
- * all slaves will park in while (monarch_cpu == -1) loop before
- * DIE_INIT_SLAVE_ENTER that for waiting monarch enters.
- * => TBD: freeze all slaves
+ * all slaves will be frozen soon since kdump_in_progress will let
+ * them into DIE_INIT_SLAVE_LEAVE.
* - One might be a monarch, but INIT rendezvous will fail since
* at least this cpu already have INIT masked so it never join
* to the rendezvous. In this case, all slaves and monarch will
- * be frozen after timeout of the INIT rendezvous.
- * => TBD: freeze them without waiting timeout
+ * be frozen soon with no wait since the INIT rendezvous is skipped
+ * by kdump_in_progress.
*/
kdump_smp_send_stop();
/* not all cpu response to IPI, send INIT to freeze them */
@@ -187,6 +186,7 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
break;
/* fall through */
case DIE_INIT_SLAVE_LEAVE:
+ case DIE_INIT_MONARCH_ENTER:
case DIE_MCA_RENDZVOUS_LEAVE:
unw_init_running(kdump_cpu_freeze, NULL);
break;
@@ -217,7 +217,6 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
if (kdump_on_init && (nd->sos->rv_rc != 1)) {
if (atomic_inc_return(&kdump_in_progress) != 1)
kdump_freeze_monarch = 1;
- *(nd->monarch_cpu) = -1;
}
break;
case DIE_INIT_MONARCH_LEAVE:
@@ -228,10 +227,8 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
case DIE_MCA_MONARCH_LEAVE:
/* *(nd->data) indicate if MCA is recoverable */
if (kdump_on_fatal_mca && !(*(nd->data))) {
- if (atomic_inc_return(&kdump_in_progress) == 1) {
- *(nd->monarch_cpu) = -1;
+ if (atomic_inc_return(&kdump_in_progress) == 1)
machine_kdump_on_init();
- }
/* We got fatal MCA while kdump!? No way!! */
}
break;
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 7b30d21c5190..d2877a7bfe2e 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1682,14 +1682,25 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
if (!sos->monarch) {
ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_INIT;
+
+#ifdef CONFIG_KEXEC
+ while (monarch_cpu == -1 && !atomic_read(&kdump_in_progress))
+ udelay(1000);
+#else
while (monarch_cpu == -1)
- cpu_relax(); /* spin until monarch enters */
+ cpu_relax(); /* spin until monarch enters */
+#endif
NOTIFY_INIT(DIE_INIT_SLAVE_ENTER, regs, (long)&nd, 1);
NOTIFY_INIT(DIE_INIT_SLAVE_PROCESS, regs, (long)&nd, 1);
+#ifdef CONFIG_KEXEC
+ while (monarch_cpu != -1 && !atomic_read(&kdump_in_progress))
+ udelay(1000);
+#else
while (monarch_cpu != -1)
- cpu_relax(); /* spin until monarch leaves */
+ cpu_relax(); /* spin until monarch leaves */
+#endif
NOTIFY_INIT(DIE_INIT_SLAVE_LEAVE, regs, (long)&nd, 1);
--
GitLab
From 033eb0acddb71bbee32dce285256b3489b17ef7f Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 15 Sep 2009 09:26:04 +0900
Subject: [PATCH 524/742] sh: cpufreq: Include CPU id in info messages.
This tidies up the printks when running on SMP, and aids in debugging
when certain cores are unable to be scaled.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/cpufreq.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/sh/kernel/cpufreq.c b/arch/sh/kernel/cpufreq.c
index e0590ffebd73..dce4f3ff0932 100644
--- a/arch/sh/kernel/cpufreq.c
+++ b/arch/sh/kernel/cpufreq.c
@@ -82,7 +82,8 @@ static int sh_cpufreq_cpu_init(struct cpufreq_policy *policy)
cpuclk = clk_get(NULL, "cpu_clk");
if (IS_ERR(cpuclk)) {
- printk(KERN_ERR "cpufreq: couldn't get CPU clk\n");
+ printk(KERN_ERR "cpufreq: couldn't get CPU#%d clk\n",
+ policy->cpu);
return PTR_ERR(cpuclk);
}
@@ -95,22 +96,21 @@ static int sh_cpufreq_cpu_init(struct cpufreq_policy *policy)
policy->min = policy->cpuinfo.min_freq;
policy->max = policy->cpuinfo.max_freq;
-
/*
* Catch the cases where the clock framework hasn't been wired up
* properly to support scaling.
*/
if (unlikely(policy->min == policy->max)) {
printk(KERN_ERR "cpufreq: clock framework rate rounding "
- "not supported on this CPU.\n");
+ "not supported on CPU#%d.\n", policy->cpu);
clk_put(cpuclk);
return -EINVAL;
}
- printk(KERN_INFO "cpufreq: Frequencies - Minimum %u.%03u MHz, "
+ printk(KERN_INFO "cpufreq: CPU#%d Frequencies - Minimum %u.%03u MHz, "
"Maximum %u.%03u MHz.\n",
- policy->min / 1000, policy->min % 1000,
+ policy->cpu, policy->min / 1000, policy->min % 1000,
policy->max / 1000, policy->max % 1000);
return 0;
--
GitLab
From 1f85d381062a046fd8f3ddb654a5276266daf72c Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Tue, 15 Sep 2009 00:21:34 +0000
Subject: [PATCH 525/742] sh: add kycr2_delay for sh_keysc
After KYCR2 is set, udelay might become necessary if there are only a
small number of keys attached. This patch introduces an optional delay
through the platform data to address this problem.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/asm/sh_keysc.h | 1 +
drivers/input/keyboard/sh_keysc.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/arch/sh/include/asm/sh_keysc.h b/arch/sh/include/asm/sh_keysc.h
index b5a4dd5a9729..4a65b1e40eab 100644
--- a/arch/sh/include/asm/sh_keysc.h
+++ b/arch/sh/include/asm/sh_keysc.h
@@ -7,6 +7,7 @@ struct sh_keysc_info {
enum { SH_KEYSC_MODE_1, SH_KEYSC_MODE_2, SH_KEYSC_MODE_3 } mode;
int scan_timing; /* 0 -> 7, see KYCR1, SCN[2:0] */
int delay;
+ int kycr2_delay;
int keycodes[SH_KEYSC_MAXKEYS];
};
diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c
index cea70e6a1031..68fd502fcfef 100644
--- a/drivers/input/keyboard/sh_keysc.c
+++ b/drivers/input/keyboard/sh_keysc.c
@@ -80,6 +80,9 @@ static irqreturn_t sh_keysc_isr(int irq, void *dev_id)
iowrite16(KYCR2_IRQ_LEVEL | (keyin_set << 8),
priv->iomem_base + KYCR2_OFFS);
+ if (pdata->kycr2_delay)
+ udelay(pdata->kycr2_delay);
+
keys ^= ~0;
keys &= (1 << (sh_keysc_mode[pdata->mode].keyin *
sh_keysc_mode[pdata->mode].keyout)) - 1;
--
GitLab
From e9103e74907d748f3cfe1b75b9d895f61c4ebc17 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Mon, 14 Sep 2009 11:23:00 +0000
Subject: [PATCH 526/742] sh: Add KEYSC support for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 52 ++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 4d6d5884c67f..b89e47920b52 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -18,10 +18,12 @@
#include <linux/delay.h>
#include <linux/usb/r8a66597.h>
#include <linux/i2c.h>
+#include <linux/input.h>
#include <video/sh_mobile_lcdc.h>
#include <media/sh_mobile_ceu.h>
#include <asm/heartbeat.h>
#include <asm/sh_eth.h>
+#include <asm/sh_keysc.h>
#include <cpu/sh7724.h>
/*
@@ -332,6 +334,46 @@ static struct i2c_board_info i2c1_devices[] = {
},
};
+/* KEYSC */
+static struct sh_keysc_info keysc_info = {
+ .mode = SH_KEYSC_MODE_1,
+ .scan_timing = 3,
+ .delay = 50,
+ .kycr2_delay = 100,
+ .keycodes = { KEY_1, 0, 0, 0, 0,
+ KEY_2, 0, 0, 0, 0,
+ KEY_3, 0, 0, 0, 0,
+ KEY_4, 0, 0, 0, 0,
+ KEY_5, 0, 0, 0, 0,
+ KEY_6, 0, 0, 0, 0, },
+};
+
+static struct resource keysc_resources[] = {
+ [0] = {
+ .name = "KEYSC",
+ .start = 0x044b0000,
+ .end = 0x044b000f,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 79,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device keysc_device = {
+ .name = "sh_keysc",
+ .id = 0, /* keysc0 clock */
+ .num_resources = ARRAY_SIZE(keysc_resources),
+ .resource = keysc_resources,
+ .dev = {
+ .platform_data = &keysc_info,
+ },
+ .archdata = {
+ .hwblk_id = HWBLK_KEYSC,
+ },
+};
+
static struct platform_device *ecovec_devices[] __initdata = {
&heartbeat_device,
&nor_flash_device,
@@ -341,6 +383,7 @@ static struct platform_device *ecovec_devices[] __initdata = {
&lcdc_device,
&ceu0_device,
&ceu1_device,
+ &keysc_device,
};
#define EEPROM_ADDR 0x50
@@ -584,6 +627,15 @@ static int __init arch_setup(void)
gpio_request(GPIO_FN_VIO1_CLK, NULL);
platform_resource_setup_memory(&ceu1_device, "ceu1", 4 << 20);
+ /* enable KEYSC */
+ gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
+ gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
+ gpio_request(GPIO_FN_KEYOUT3, NULL);
+ gpio_request(GPIO_FN_KEYOUT2, NULL);
+ gpio_request(GPIO_FN_KEYOUT1, NULL);
+ gpio_request(GPIO_FN_KEYOUT0, NULL);
+ gpio_request(GPIO_FN_KEYIN0, NULL);
+
/* enable I2C device */
i2c_register_board_info(1, i2c1_devices,
ARRAY_SIZE(i2c1_devices));
--
GitLab
From 147df2d68f209fef6a53b345a5a9a9ea38a60f66 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Mon, 14 Sep 2009 11:22:31 +0000
Subject: [PATCH 527/742] sh: mach-ecovec24: deassert usb irq on boot.
This patch prevents the USB1 interrupt from remaining asserted
immediately after re-boot or during a jump in to a secondary kernel.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index b89e47920b52..40decfe0f37e 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -492,6 +492,7 @@ static int __init arch_setup(void)
/* enable USB */
ctrl_outw(0x0000, 0xA4D80000);
+ ctrl_outw(0x0000, 0xA4D90000);
gpio_request(GPIO_PTB3, NULL);
gpio_request(GPIO_PTB4, NULL);
gpio_request(GPIO_PTB5, NULL);
--
GitLab
From a991801a7029ebba4a3eb72536f73c26d1482be0 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Mon, 14 Sep 2009 11:23:16 +0000
Subject: [PATCH 528/742] sh: mach-ecovec24: need asm/clock.h.
Fixes up build failures.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 40decfe0f37e..7da274ae7440 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -24,6 +24,7 @@
#include <asm/heartbeat.h>
#include <asm/sh_eth.h>
#include <asm/sh_keysc.h>
+#include <asm/clock.h>
#include <cpu/sh7724.h>
/*
--
GitLab
From bb7001b50123fcb05f331b22092243f92e9bcec9 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Fri, 11 Sep 2009 09:05:00 +0000
Subject: [PATCH 529/742] sh: kfr2r09: document the PLL/FLL <-> RF
relationship.
Early clock initialization sets up PLL/FLL values for optimal RF
behaviour. As this relationship is presently undocumented, we document
this in the script so the rationale is apparent.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt b/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
index a19ac31c8cde..3a65503714ee 100644
--- a/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
+++ b/arch/sh/include/mach-kfr2r09/mach/partner-jet-setup.txt
@@ -27,6 +27,8 @@ ED 0xff800020, 0xa5a50001
ED 0xfec10000, 0x0000001b
LIST "setup clocks"
+LIST "The PLL and FLL values are updated here for the optimal"
+LIST "RF frequency and improved reception sensitivity."
ED 0xa4150004, 0x00000050
ED 0xa4150000, 0x91053508
WAIT 1
--
GitLab
From c8c2df9055074197ba12902c6d7e840667fb56d6 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 15 Sep 2009 09:47:35 +0900
Subject: [PATCH 530/742] sh: Fix up sh7705 flush_dcache_page() build.
Type mismatch caused the page deref to blow up, fix it up as per the sh4
change.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/mm/cache-sh7705.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index 6293f57fa888..2cadee2037ac 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -133,8 +133,9 @@ static void __flush_dcache_page(unsigned long phys)
* Write back & invalidate the D-cache of the page.
* (To avoid "alias" issues)
*/
-static void sh7705_flush_dcache_page(void *page)
+static void sh7705_flush_dcache_page(void *arg)
{
+ struct page *page = arg;
struct address_space *mapping = page_mapping(page);
if (mapping && !mapping_mapped(mapping))
--
GitLab
From 3661d28615ea580c1db02a972fd4d3898df1cb01 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 14 Sep 2009 22:59:50 -0400
Subject: [PATCH 531/742] ext4: Fix include/trace/events/ext4.h to work with
Systemtap
Using relative pathnames in #include statements interacts badly with
SystemTap, since the fs/ext4/*.h header files are not packaged up as
part of a distribution kernel's header files. Since systemtap doesn't
use TP_fast_assign(), we can use a blind structure definition and then
make sure the needed header files are defined before the ext4 source
files #include the trace/events/ext4.h header file.
https://bugzilla.redhat.com/show_bug.cgi?id=512478
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/super.c | 1 +
include/trace/events/ext4.h | 6 ++++--
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 04c693357336..af95dd8ba54b 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -45,6 +45,7 @@
#include "ext4_jbd2.h"
#include "xattr.h"
#include "acl.h"
+#include "mballoc.h"
#define CREATE_TRACE_POINTS
#include <trace/events/ext4.h>
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 68b53c7ef8a7..6fe6ce9ee071 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -5,10 +5,12 @@
#define _TRACE_EXT4_H
#include <linux/writeback.h>
-#include "../../../fs/ext4/ext4.h"
-#include "../../../fs/ext4/mballoc.h"
#include <linux/tracepoint.h>
+struct ext4_allocation_context;
+struct ext4_allocation_request;
+struct ext4_prealloc_space;
+
TRACE_EVENT(ext4_free_inode,
TP_PROTO(struct inode *inode),
--
GitLab
From 12e09337fe238981cb0c87543306e23775d1a143 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 14 Sep 2009 23:37:40 +0200
Subject: [PATCH 532/742] time: Prevent 32 bit overflow with
set_normalized_timespec()
set_normalized_timespec() nsec argument is of type long. The recent
timekeeping changes of ktime_get_ts() feed
ts->tv_nsec + tomono.tv_nsec + nsecs
to set_normalized_timespec(). On 32 bit machines that sum can be
larger than (1 << 31) and therefor result in a negative value which
screws up the result completely.
Make the nsec argument of set_normalized_timespec() s64 to fix the
problem at hand. This also prevents similar problems for future users
of set_normalized_timespec().
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Carsten Emde <carsten.emde@osadl.org>
LKML-Reference: <new-submission>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: John Stultz <johnstul@us.ibm.com>
---
include/linux/time.h | 2 +-
kernel/time.c | 9 ++++++++-
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/include/linux/time.h b/include/linux/time.h
index 256232f7e5e6..56787c093345 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -75,7 +75,7 @@ extern unsigned long mktime(const unsigned int year, const unsigned int mon,
const unsigned int day, const unsigned int hour,
const unsigned int min, const unsigned int sec);
-extern void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec);
+extern void set_normalized_timespec(struct timespec *ts, time_t sec, s64 nsec);
extern struct timespec timespec_add_safe(const struct timespec lhs,
const struct timespec rhs);
diff --git a/kernel/time.c b/kernel/time.c
index 29511943871a..2e2e469a7fec 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -370,13 +370,20 @@ EXPORT_SYMBOL(mktime);
* 0 <= tv_nsec < NSEC_PER_SEC
* For negative values only the tv_sec field is negative !
*/
-void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec)
+void set_normalized_timespec(struct timespec *ts, time_t sec, s64 nsec)
{
while (nsec >= NSEC_PER_SEC) {
+ /*
+ * The following asm() prevents the compiler from
+ * optimising this loop into a modulo operation. See
+ * also __iter_div_u64_rem() in include/linux/time.h
+ */
+ asm("" : "+rm"(nsec));
nsec -= NSEC_PER_SEC;
++sec;
}
while (nsec < 0) {
+ asm("" : "+rm"(nsec));
nsec += NSEC_PER_SEC;
--sec;
}
--
GitLab
From 9dd38819c2257375ea05bcb92b1f607a1d523c84 Mon Sep 17 00:00:00 2001
From: Phil Edworthy <phil.edworthy@renesas.com>
Date: Tue, 15 Sep 2009 12:00:18 +0000
Subject: [PATCH 533/742] video: sh_mobile_lcdcfb: implement display panning
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
drivers/video/sh_mobile_lcdcfb.c | 76 +++++++++++++++++++++++++++-----
1 file changed, 66 insertions(+), 10 deletions(-)
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 1cb5213c1a03..7f30cb33a203 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -31,6 +31,7 @@
#define _LDSR 0x46c
#define _LDCNT1R 0x470
#define _LDCNT2R 0x474
+#define _LDRCNTR 0x478
#define _LDDDSR 0x47c
#define _LDDWD0R 0x800
#define _LDDRDR 0x840
@@ -94,7 +95,11 @@ static unsigned long lcdc_offs_sublcd[NR_CH_REGS] = {
#define DISPLAY_BEU 0x00000008
#define LCDC_ENABLE 0x00000001
#define LDINTR_FE 0x00000400
+#define LDINTR_VSE 0x00000200
+#define LDINTR_VEE 0x00000100
#define LDINTR_FS 0x00000004
+#define LDINTR_VSS 0x00000002
+#define LDINTR_VES 0x00000001
struct sh_mobile_lcdc_priv;
struct sh_mobile_lcdc_chan {
@@ -110,6 +115,8 @@ struct sh_mobile_lcdc_chan {
struct fb_deferred_io defio;
struct scatterlist *sglist;
unsigned long frame_end;
+ unsigned long pan_offset;
+ unsigned long new_pan_offset;
wait_queue_head_t frame_end_wait;
};
@@ -266,30 +273,46 @@ static irqreturn_t sh_mobile_lcdc_irq(int irq, void *data)
struct sh_mobile_lcdc_priv *priv = data;
struct sh_mobile_lcdc_chan *ch;
unsigned long tmp;
+ unsigned long ldintr;
int is_sub;
int k;
/* acknowledge interrupt */
- tmp = lcdc_read(priv, _LDINTR);
- tmp &= 0xffffff00; /* mask in high 24 bits */
- tmp |= 0x000000ff ^ LDINTR_FS; /* status in low 8 */
+ ldintr = tmp = lcdc_read(priv, _LDINTR);
+ /*
+ * disable further VSYNC End IRQs, preserve all other enabled IRQs,
+ * write 0 to bits 0-6 to ack all triggered IRQs.
+ */
+ tmp &= 0xffffff00 & ~LDINTR_VEE;
lcdc_write(priv, _LDINTR, tmp);
/* figure out if this interrupt is for main or sub lcd */
is_sub = (lcdc_read(priv, _LDSR) & (1 << 10)) ? 1 : 0;
- /* wake up channel and disable clocks*/
+ /* wake up channel and disable clocks */
for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
ch = &priv->ch[k];
if (!ch->enabled)
continue;
- if (is_sub == lcdc_chan_is_sublcd(ch)) {
- ch->frame_end = 1;
- wake_up(&ch->frame_end_wait);
+ /* Frame Start */
+ if (ldintr & LDINTR_FS) {
+ if (is_sub == lcdc_chan_is_sublcd(ch)) {
+ ch->frame_end = 1;
+ wake_up(&ch->frame_end_wait);
- sh_mobile_lcdc_clk_off(priv);
+ sh_mobile_lcdc_clk_off(priv);
+ }
+ }
+
+ /* VSYNC End */
+ if (ldintr & LDINTR_VES) {
+ /* Set the source address for the next refresh */
+ lcdc_write_chan(ch, LDSA1R, ch->dma_handle +
+ ch->new_pan_offset);
+ lcdc_write(ch->lcdc, _LDRCNTR, 0);
+ ch->pan_offset = ch->new_pan_offset;
}
}
@@ -649,6 +672,9 @@ static struct fb_fix_screeninfo sh_mobile_lcdc_fix = {
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
.accel = FB_ACCEL_NONE,
+ .xpanstep = 0,
+ .ypanstep = 1,
+ .ywrapstep = 0,
};
static void sh_mobile_lcdc_fillrect(struct fb_info *info,
@@ -672,13 +698,38 @@ static void sh_mobile_lcdc_imageblit(struct fb_info *info,
sh_mobile_lcdc_deferred_io_touch(info);
}
+static int sh_mobile_fb_pan_display(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ struct sh_mobile_lcdc_chan *ch = info->par;
+
+ if (info->var.xoffset == var->xoffset &&
+ info->var.yoffset == var->yoffset)
+ return 0; /* No change, do nothing */
+
+ ch->new_pan_offset = (var->yoffset * info->fix.line_length) +
+ (var->xoffset * (info->var.bits_per_pixel / 8));
+
+ if (ch->new_pan_offset != ch->pan_offset) {
+ unsigned long ldintr;
+ ldintr = lcdc_read(ch->lcdc, _LDINTR);
+ ldintr |= LDINTR_VEE;
+ lcdc_write(ch->lcdc, _LDINTR, ldintr);
+ sh_mobile_lcdc_deferred_io_touch(info);
+ }
+
+ return 0;
+}
+
static struct fb_ops sh_mobile_lcdc_ops = {
+ .owner = THIS_MODULE,
.fb_setcolreg = sh_mobile_lcdc_setcolreg,
.fb_read = fb_sys_read,
.fb_write = fb_sys_write,
.fb_fillrect = sh_mobile_lcdc_fillrect,
.fb_copyarea = sh_mobile_lcdc_copyarea,
.fb_imageblit = sh_mobile_lcdc_imageblit,
+ .fb_pan_display = sh_mobile_fb_pan_display,
};
static int sh_mobile_lcdc_set_bpp(struct fb_var_screeninfo *var, int bpp)
@@ -846,6 +897,8 @@ static int __init sh_mobile_lcdc_probe(struct platform_device *pdev)
goto err1;
}
init_waitqueue_head(&priv->ch[i].frame_end_wait);
+ priv->ch[j].pan_offset = 0;
+ priv->ch[j].new_pan_offset = 0;
switch (pdata->ch[i].chan) {
case LCDC_CHAN_MAINLCD:
@@ -888,7 +941,9 @@ static int __init sh_mobile_lcdc_probe(struct platform_device *pdev)
info = priv->ch[i].info;
info->fbops = &sh_mobile_lcdc_ops;
info->var.xres = info->var.xres_virtual = cfg->lcd_cfg.xres;
- info->var.yres = info->var.yres_virtual = cfg->lcd_cfg.yres;
+ info->var.yres = cfg->lcd_cfg.yres;
+ /* Default Y virtual resolution is 2x panel size */
+ info->var.yres_virtual = info->var.yres * 2;
info->var.width = cfg->lcd_size_cfg.width;
info->var.height = cfg->lcd_size_cfg.height;
info->var.activate = FB_ACTIVATE_NOW;
@@ -898,7 +953,8 @@ static int __init sh_mobile_lcdc_probe(struct platform_device *pdev)
info->fix = sh_mobile_lcdc_fix;
info->fix.line_length = cfg->lcd_cfg.xres * (cfg->bpp / 8);
- info->fix.smem_len = info->fix.line_length * cfg->lcd_cfg.yres;
+ info->fix.smem_len = info->fix.line_length *
+ info->var.yres_virtual;
buf = dma_alloc_coherent(&pdev->dev, info->fix.smem_len,
&priv->ch[i].dma_handle, GFP_KERNEL);
--
GitLab
From a6f15ade97989d414e9bf33874c9d5d1f39808ec Mon Sep 17 00:00:00 2001
From: Phil Edworthy <phil.edworthy@renesas.com>
Date: Tue, 15 Sep 2009 12:00:30 +0000
Subject: [PATCH 534/742] video: sh_mobile_lcdcfb: use both register sets for
display panning
Switch to using both register sets - side A and side B for display panning.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/board-ap325rxa.c | 2 +-
arch/sh/boards/mach-ecovec24/setup.c | 2 +-
arch/sh/boards/mach-kfr2r09/setup.c | 2 +-
arch/sh/boards/mach-migor/setup.c | 2 +-
arch/sh/boards/mach-se/7724/setup.c | 2 +-
drivers/video/sh_mobile_lcdcfb.c | 47 ++++++++++++++++++++++++++--
6 files changed, 49 insertions(+), 8 deletions(-)
diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index bcf1f40bcc6c..327d47c25a57 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -211,7 +211,7 @@ static struct resource lcdc_resources[] = {
[0] = {
.name = "LCDC",
.start = 0xfe940000, /* P4-only space */
- .end = 0xfe941fff,
+ .end = 0xfe942fff,
.flags = IORESOURCE_MEM,
},
[1] = {
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 7da274ae7440..bbe601d4209f 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -239,7 +239,7 @@ static struct resource lcdc_resources[] = {
[0] = {
.name = "LCDC",
.start = 0xfe940000,
- .end = 0xfe941fff,
+ .end = 0xfe942fff,
.flags = IORESOURCE_MEM,
},
[1] = {
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 7155be0d1154..c08d33fe2104 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -162,7 +162,7 @@ static struct resource kfr2r09_sh_lcdc_resources[] = {
[0] = {
.name = "LCDC",
.start = 0xfe940000, /* P4-only space */
- .end = 0xfe941fff,
+ .end = 0xfe942fff,
.flags = IORESOURCE_MEM,
},
[1] = {
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index be8f0d94f6f1..6ed1fd32369e 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -279,7 +279,7 @@ static struct resource migor_lcdc_resources[] = {
[0] = {
.name = "LCDC",
.start = 0xfe940000, /* P4-only space */
- .end = 0xfe941fff,
+ .end = 0xfe942fff,
.flags = IORESOURCE_MEM,
},
[1] = {
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 1876c8306c85..00973e0f8c63 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -166,7 +166,7 @@ static struct resource lcdc_resources[] = {
[0] = {
.name = "LCDC",
.start = 0xfe940000,
- .end = 0xfe941fff,
+ .end = 0xfe942fff,
.flags = IORESOURCE_MEM,
},
[1] = {
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 7f30cb33a203..3ad5157f9899 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -23,6 +23,8 @@
#include <asm/atomic.h>
#define PALETTE_NR 16
+#define SIDE_B_OFFSET 0x1000
+#define MIRROR_OFFSET 0x2000
/* shared registers */
#define _LDDCKR 0x410
@@ -100,6 +102,10 @@ static unsigned long lcdc_offs_sublcd[NR_CH_REGS] = {
#define LDINTR_FS 0x00000004
#define LDINTR_VSS 0x00000002
#define LDINTR_VES 0x00000001
+#define LDRCNTR_SRS 0x00020000
+#define LDRCNTR_SRC 0x00010000
+#define LDRCNTR_MRS 0x00000002
+#define LDRCNTR_MRC 0x00000001
struct sh_mobile_lcdc_priv;
struct sh_mobile_lcdc_chan {
@@ -132,10 +138,39 @@ struct sh_mobile_lcdc_priv {
int started;
};
+static bool banked(int reg_nr)
+{
+ switch (reg_nr) {
+ case LDMT1R:
+ case LDMT2R:
+ case LDMT3R:
+ case LDDFR:
+ case LDSM1R:
+ case LDSA1R:
+ case LDMLSR:
+ case LDHCNR:
+ case LDHSYNR:
+ case LDVLNR:
+ case LDVSYNR:
+ return true;
+ }
+ return false;
+}
+
static void lcdc_write_chan(struct sh_mobile_lcdc_chan *chan,
int reg_nr, unsigned long data)
{
iowrite32(data, chan->lcdc->base + chan->reg_offs[reg_nr]);
+ if (banked(reg_nr))
+ iowrite32(data, chan->lcdc->base + chan->reg_offs[reg_nr] +
+ SIDE_B_OFFSET);
+}
+
+static void lcdc_write_chan_mirror(struct sh_mobile_lcdc_chan *chan,
+ int reg_nr, unsigned long data)
+{
+ iowrite32(data, chan->lcdc->base + chan->reg_offs[reg_nr] +
+ MIRROR_OFFSET);
}
static unsigned long lcdc_read_chan(struct sh_mobile_lcdc_chan *chan,
@@ -308,10 +343,16 @@ static irqreturn_t sh_mobile_lcdc_irq(int irq, void *data)
/* VSYNC End */
if (ldintr & LDINTR_VES) {
+ unsigned long ldrcntr = lcdc_read(priv, _LDRCNTR);
/* Set the source address for the next refresh */
- lcdc_write_chan(ch, LDSA1R, ch->dma_handle +
- ch->new_pan_offset);
- lcdc_write(ch->lcdc, _LDRCNTR, 0);
+ lcdc_write_chan_mirror(ch, LDSA1R, ch->dma_handle +
+ ch->new_pan_offset);
+ if (lcdc_chan_is_sublcd(ch))
+ lcdc_write(ch->lcdc, _LDRCNTR,
+ ldrcntr ^ LDRCNTR_SRS);
+ else
+ lcdc_write(ch->lcdc, _LDRCNTR,
+ ldrcntr ^ LDRCNTR_MRS);
ch->pan_offset = ch->new_pan_offset;
}
}
--
GitLab
From 9b6b93998a0d9c44d6701be5b472f3302c3a8596 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Tue, 25 Aug 2009 20:54:10 +0200
Subject: [PATCH 535/742] [IA64] pci_br, fix infinite loop in find_free_ate()
When
* there is almost out of ates
* one asks for more than one ate
* there are some available at the end of ate array
then the inner for loop will end without incrementing 'index'. This
means the outer loop will start at the same point finding it's available
and runs the inner loop again from the same index. This repeats forever.
Hence make sure we check we were at the end of ate array and return
an error in such case.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Found-by: Jeff Mahoney <jeffm@novell.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/sn/pci/pcibr/pcibr_ate.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_ate.c b/arch/ia64/sn/pci/pcibr/pcibr_ate.c
index 239b3cedcf2b..5bc34eac9e01 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_ate.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_ate.c
@@ -54,6 +54,8 @@ static int find_free_ate(struct ate_resource *ate_resource, int start,
break;
}
}
+ if (i >= ate_resource->num_ate)
+ return -1;
} else
index++; /* Try next ate */
}
--
GitLab
From a81a8f580b6b525112aba19319dcc5dd3db4dfee Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 4 Sep 2009 16:58:05 -0700
Subject: [PATCH 536/742] [IA64] mbcs: fix printk format warnings
drivers/char/mbcs.c:719: warning: format '%lx' expects type 'long unsigned int', but argument 3 has type 'uint64_t'
drivers/char/mbcs.c:719: warning: format '%lx' expects type 'long unsigned int', but argument 4 has type 'uint64_t'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Bruce Losure <blosure@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
drivers/char/mbcs.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
index acd8e9ed474a..87c67b42bc08 100644
--- a/drivers/char/mbcs.c
+++ b/drivers/char/mbcs.c
@@ -15,6 +15,7 @@
#include <linux/moduleparam.h>
#include <linux/types.h>
#include <linux/ioport.h>
+#include <linux/kernel.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
@@ -715,8 +716,8 @@ static ssize_t show_algo(struct device *dev, struct device_attribute *attr, char
*/
debug0 = *(uint64_t *) soft->debug_addr;
- return sprintf(buf, "0x%lx 0x%lx\n",
- (debug0 >> 32), (debug0 & 0xffffffff));
+ return sprintf(buf, "0x%x 0x%x\n",
+ upper_32_bits(debug0), lower_32_bits(debug0));
}
static ssize_t store_algo(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
--
GitLab
From 0e12ddf13256fdcf6bb4dcd4c6af7ae6f7e3ab71 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 4 Sep 2009 17:04:28 -0700
Subject: [PATCH 537/742] [IA64] ioc4_serial: fix printk format warnings
drivers/serial/ioc4_serial.c:943: warning: format '%lx' expects type 'long unsigned int', but argument 2 has type 'long long unsigned int'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Pat Gefre <pfg@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
drivers/serial/ioc4_serial.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index 6bab63cd5b29..e5c58fe7e745 100644
--- a/drivers/serial/ioc4_serial.c
+++ b/drivers/serial/ioc4_serial.c
@@ -930,7 +930,7 @@ static void handle_dma_error_intr(void *arg, uint32_t other_ir)
if (readl(&port->ip_mem->pci_err_addr_l.raw) & IOC4_PCI_ERR_ADDR_VLD) {
printk(KERN_ERR
- "PCI error address is 0x%lx, "
+ "PCI error address is 0x%llx, "
"master is serial port %c %s\n",
(((uint64_t)readl(&port->ip_mem->pci_err_addr_h)
<< 32)
--
GitLab
From f509e34a57086874a736db66d37ac0456fe455fe Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 4 Sep 2009 17:02:59 -0700
Subject: [PATCH 538/742] [IA64] sgi-xp: fix printk format warnings
Fix warnings in SGI XPC sn2 driver: lots of printk format warnings
and:
drivers/misc/sgi-xp/xpc_sn2.c: In function 'xpc_get_partition_rsvd_page_pa_sn2':
drivers/misc/sgi-xp/xpc_sn2.c:618: warning: passing argument 3 of 'sn_partition_reserved_page_pa' from incompatible pointer type
drivers/misc/sgi-xp/xpc_sn2.c:618: warning: passing argument 4 of 'sn_partition_reserved_page_pa' from incompatible pointer type
(likely due to generic u64 / long long changes)
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Robin Holt <holt@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
drivers/misc/sgi-xp/xpc_sn2.c | 40 ++++++++++++++++++-----------------
1 file changed, 21 insertions(+), 19 deletions(-)
diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c
index 915a3b495da5..8b70e03f939f 100644
--- a/drivers/misc/sgi-xp/xpc_sn2.c
+++ b/drivers/misc/sgi-xp/xpc_sn2.c
@@ -279,7 +279,7 @@ xpc_check_for_sent_chctl_flags_sn2(struct xpc_partition *part)
spin_unlock_irqrestore(&part->chctl_lock, irq_flags);
dev_dbg(xpc_chan, "received notify IRQ from partid=%d, chctl.all_flags="
- "0x%lx\n", XPC_PARTID(part), chctl.all_flags);
+ "0x%llx\n", XPC_PARTID(part), chctl.all_flags);
xpc_wakeup_channel_mgr(part);
}
@@ -615,7 +615,8 @@ xpc_get_partition_rsvd_page_pa_sn2(void *buf, u64 *cookie, unsigned long *rp_pa,
s64 status;
enum xp_retval ret;
- status = sn_partition_reserved_page_pa((u64)buf, cookie, rp_pa, len);
+ status = sn_partition_reserved_page_pa((u64)buf, cookie,
+ (u64 *)rp_pa, (u64 *)len);
if (status == SALRET_OK)
ret = xpSuccess;
else if (status == SALRET_MORE_PASSES)
@@ -777,8 +778,8 @@ xpc_get_remote_heartbeat_sn2(struct xpc_partition *part)
if (ret != xpSuccess)
return ret;
- dev_dbg(xpc_part, "partid=%d, heartbeat=%ld, last_heartbeat=%ld, "
- "heartbeat_offline=%ld, HB_mask[0]=0x%lx\n", XPC_PARTID(part),
+ dev_dbg(xpc_part, "partid=%d, heartbeat=%lld, last_heartbeat=%lld, "
+ "heartbeat_offline=%lld, HB_mask[0]=0x%lx\n", XPC_PARTID(part),
remote_vars->heartbeat, part->last_heartbeat,
remote_vars->heartbeat_offline,
remote_vars->heartbeating_to_mask[0]);
@@ -940,7 +941,7 @@ xpc_update_partition_info_sn2(struct xpc_partition *part, u8 remote_rp_version,
part_sn2->remote_vars_pa);
part->last_heartbeat = remote_vars->heartbeat - 1;
- dev_dbg(xpc_part, " last_heartbeat = 0x%016lx\n",
+ dev_dbg(xpc_part, " last_heartbeat = 0x%016llx\n",
part->last_heartbeat);
part_sn2->remote_vars_part_pa = remote_vars->vars_part_pa;
@@ -1029,7 +1030,8 @@ xpc_identify_activate_IRQ_req_sn2(int nasid)
part->activate_IRQ_rcvd++;
dev_dbg(xpc_part, "partid for nasid %d is %d; IRQs = %d; HB = "
- "%ld:0x%lx\n", (int)nasid, (int)partid, part->activate_IRQ_rcvd,
+ "%lld:0x%lx\n", (int)nasid, (int)partid,
+ part->activate_IRQ_rcvd,
remote_vars->heartbeat, remote_vars->heartbeating_to_mask[0]);
if (xpc_partition_disengaged(part) &&
@@ -1129,7 +1131,7 @@ xpc_identify_activate_IRQ_sender_sn2(void)
do {
n_IRQs_detected++;
nasid = (l * BITS_PER_LONG + b) * 2;
- dev_dbg(xpc_part, "interrupt from nasid %ld\n", nasid);
+ dev_dbg(xpc_part, "interrupt from nasid %lld\n", nasid);
xpc_identify_activate_IRQ_req_sn2(nasid);
b = find_next_bit(&nasid_mask_long, BITS_PER_LONG,
@@ -1386,7 +1388,7 @@ xpc_pull_remote_vars_part_sn2(struct xpc_partition *part)
if (pulled_entry->magic != 0) {
dev_dbg(xpc_chan, "partition %d's XPC vars_part for "
- "partition %d has bad magic value (=0x%lx)\n",
+ "partition %d has bad magic value (=0x%llx)\n",
partid, sn_partition_id, pulled_entry->magic);
return xpBadMagic;
}
@@ -1730,14 +1732,14 @@ xpc_notify_senders_sn2(struct xpc_channel *ch, enum xp_retval reason, s64 put)
if (notify->func != NULL) {
dev_dbg(xpc_chan, "notify->func() called, notify=0x%p "
- "msg_number=%ld partid=%d channel=%d\n",
+ "msg_number=%lld partid=%d channel=%d\n",
(void *)notify, get, ch->partid, ch->number);
notify->func(reason, ch->partid, ch->number,
notify->key);
dev_dbg(xpc_chan, "notify->func() returned, notify=0x%p"
- " msg_number=%ld partid=%d channel=%d\n",
+ " msg_number=%lld partid=%d channel=%d\n",
(void *)notify, get, ch->partid, ch->number);
}
}
@@ -1858,7 +1860,7 @@ xpc_process_msg_chctl_flags_sn2(struct xpc_partition *part, int ch_number)
ch_sn2->w_remote_GP.get = ch_sn2->remote_GP.get;
- dev_dbg(xpc_chan, "w_remote_GP.get changed to %ld, partid=%d, "
+ dev_dbg(xpc_chan, "w_remote_GP.get changed to %lld, partid=%d, "
"channel=%d\n", ch_sn2->w_remote_GP.get, ch->partid,
ch->number);
@@ -1885,7 +1887,7 @@ xpc_process_msg_chctl_flags_sn2(struct xpc_partition *part, int ch_number)
smp_wmb(); /* ensure flags have been cleared before bte_copy */
ch_sn2->w_remote_GP.put = ch_sn2->remote_GP.put;
- dev_dbg(xpc_chan, "w_remote_GP.put changed to %ld, partid=%d, "
+ dev_dbg(xpc_chan, "w_remote_GP.put changed to %lld, partid=%d, "
"channel=%d\n", ch_sn2->w_remote_GP.put, ch->partid,
ch->number);
@@ -1943,7 +1945,7 @@ xpc_pull_remote_msg_sn2(struct xpc_channel *ch, s64 get)
if (ret != xpSuccess) {
dev_dbg(xpc_chan, "failed to pull %d msgs starting with"
- " msg %ld from partition %d, channel=%d, "
+ " msg %lld from partition %d, channel=%d, "
"ret=%d\n", nmsgs, ch_sn2->next_msg_to_pull,
ch->partid, ch->number, ret);
@@ -1995,7 +1997,7 @@ xpc_get_deliverable_payload_sn2(struct xpc_channel *ch)
if (cmpxchg(&ch_sn2->w_local_GP.get, get, get + 1) == get) {
/* we got the entry referenced by get */
- dev_dbg(xpc_chan, "w_local_GP.get changed to %ld, "
+ dev_dbg(xpc_chan, "w_local_GP.get changed to %lld, "
"partid=%d, channel=%d\n", get + 1,
ch->partid, ch->number);
@@ -2062,7 +2064,7 @@ xpc_send_msgs_sn2(struct xpc_channel *ch, s64 initial_put)
/* we just set the new value of local_GP->put */
- dev_dbg(xpc_chan, "local_GP->put changed to %ld, partid=%d, "
+ dev_dbg(xpc_chan, "local_GP->put changed to %lld, partid=%d, "
"channel=%d\n", put, ch->partid, ch->number);
send_msgrequest = 1;
@@ -2147,8 +2149,8 @@ xpc_allocate_msg_sn2(struct xpc_channel *ch, u32 flags,
DBUG_ON(msg->flags != 0);
msg->number = put;
- dev_dbg(xpc_chan, "w_local_GP.put changed to %ld; msg=0x%p, "
- "msg_number=%ld, partid=%d, channel=%d\n", put + 1,
+ dev_dbg(xpc_chan, "w_local_GP.put changed to %lld; msg=0x%p, "
+ "msg_number=%lld, partid=%d, channel=%d\n", put + 1,
(void *)msg, msg->number, ch->partid, ch->number);
*address_of_msg = msg;
@@ -2296,7 +2298,7 @@ xpc_acknowledge_msgs_sn2(struct xpc_channel *ch, s64 initial_get, u8 msg_flags)
/* we just set the new value of local_GP->get */
- dev_dbg(xpc_chan, "local_GP->get changed to %ld, partid=%d, "
+ dev_dbg(xpc_chan, "local_GP->get changed to %lld, partid=%d, "
"channel=%d\n", get, ch->partid, ch->number);
send_msgrequest = (msg_flags & XPC_M_SN2_INTERRUPT);
@@ -2323,7 +2325,7 @@ xpc_received_payload_sn2(struct xpc_channel *ch, void *payload)
msg = container_of(payload, struct xpc_msg_sn2, payload);
msg_number = msg->number;
- dev_dbg(xpc_chan, "msg=0x%p, msg_number=%ld, partid=%d, channel=%d\n",
+ dev_dbg(xpc_chan, "msg=0x%p, msg_number=%lld, partid=%d, channel=%d\n",
(void *)msg, msg_number, ch->partid, ch->number);
DBUG_ON((((u64)msg - (u64)ch->sn.sn2.remote_msgqueue) / ch->entry_size) !=
--
GitLab
From f172468a142c6989144ccb827c1b57c69229e8ba Mon Sep 17 00:00:00 2001
From: Tim Abbott <tabbott@ksplice.com>
Date: Fri, 31 Jul 2009 16:57:51 -0400
Subject: [PATCH 539/742] [IA64] Use .ref.text, not .text.init for start_ap.
It seems that start_ap doesn't need to be in a special location in the
kernel, but it references some init code so it should be in .ref.text.
Since this is the only thing in the .text.head section, eliminate
.text.head from the linker script.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/kernel/head.S | 2 +-
arch/ia64/kernel/vmlinux.lds.S | 2 --
2 files changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index e1f97ac9eefd..12305d3d4838 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -181,7 +181,7 @@ swapper_pg_dir:
halt_msg:
stringz "Halting kernel\n"
- .section .text.head,"ax"
+ __REF
.global start_ap
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 4a95e86b9ac2..fa3a558e3d76 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -51,8 +51,6 @@ SECTIONS
KPROBES_TEXT
*(.gnu.linkonce.t*)
}
- .text.head : AT(ADDR(.text.head) - LOAD_OFFSET)
- { *(.text.head) }
.text2 : AT(ADDR(.text2) - LOAD_OFFSET)
{ *(.text2) }
#ifdef CONFIG_SMP
--
GitLab
From ed7af3e63bd2458d5138c4b7e92fe4e1cdc97d9d Mon Sep 17 00:00:00 2001
From: Nelson Elhage <nelhage@ksplice.com>
Date: Fri, 31 Jul 2009 16:57:52 -0400
Subject: [PATCH 540/742] [IA64] Use standard macros for page-aligned data.
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/kernel/head.S | 2 +-
arch/ia64/kernel/vmlinux.lds.S | 4 +++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 12305d3d4838..1a6e44515eb4 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -167,7 +167,7 @@ RestRR: \
mov _tmp2=((ia64_rid(IA64_REGION_ID_KERNEL, (num<<61)) << 8) | (pgsize << 2) | vhpt);; \
mov rr[_tmp1]=_tmp2
- .section __special_page_section,"ax"
+ __PAGE_ALIGNED_DATA
.global empty_zero_page
empty_zero_page:
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index fa3a558e3d76..b484b86da830 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -219,7 +219,9 @@ SECTIONS
{ *(.data.init_task) }
.data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET)
- { *(__special_page_section)
+ {
+ PAGE_ALIGNED_DATA(PAGE_SIZE)
+ . = ALIGN(PAGE_SIZE);
__start_gate_section = .;
*(.data.gate)
__stop_gate_section = .;
--
GitLab
From 6ae86350857bf3e862f8dcd10039ccb45e056f85 Mon Sep 17 00:00:00 2001
From: Nelson Elhage <nelhage@ksplice.com>
Date: Fri, 31 Jul 2009 16:57:53 -0400
Subject: [PATCH 541/742] [IA64] Clean up linker script using standard macros.
Aside from using fewer output sections and moving some data around,
the main side effect of this change is changing the alignment of some
sections. In particular:
* cachline-aligned and read_mostly data are now aligned to
SMP_CACHE_BYTES. (Previously, they were laid out consecutively after
a PAGE_SIZE alignment)
* .init.ramfs is now page-aligned, per the INIT_RAM_FS
macro. (Previously it had no explicit alignment).
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
arch/ia64/kernel/vmlinux.lds.S | 109 ++++-----------------------------
1 file changed, 11 insertions(+), 98 deletions(-)
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index b484b86da830..f69f411516d5 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -64,14 +64,7 @@ SECTIONS
NOTES :code :note /* put .notes in text and mark in PT_NOTE */
code_continues : {} :code /* switch back to regular program... */
- /* Exception table */
- . = ALIGN(16);
- __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET)
- {
- __start___ex_table = .;
- *(__ex_table)
- __stop___ex_table = .;
- }
+ EXCEPTION_TABLE(16)
/* MCA table */
. = ALIGN(16);
@@ -113,38 +106,9 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
__init_begin = .;
- .init.text : AT(ADDR(.init.text) - LOAD_OFFSET)
- {
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- }
-
- .init.data : AT(ADDR(.init.data) - LOAD_OFFSET)
- { INIT_DATA }
-
-#ifdef CONFIG_BLK_DEV_INITRD
- .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET)
- {
- __initramfs_start = .;
- *(.init.ramfs)
- __initramfs_end = .;
- }
-#endif
- . = ALIGN(16);
- .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET)
- {
- __setup_start = .;
- *(.init.setup)
- __setup_end = .;
- }
- .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET)
- {
- __initcall_start = .;
- INITCALLS
- __initcall_end = .;
- }
+ INIT_TEXT_SECTION(PAGE_SIZE)
+ INIT_DATA_SECTION(16)
.data.patch.vtop : AT(ADDR(.data.patch.vtop) - LOAD_OFFSET)
{
@@ -202,22 +166,9 @@ SECTIONS
}
#endif
- . = ALIGN(8);
- __con_initcall_start = .;
- .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET)
- { *(.con_initcall.init) }
- __con_initcall_end = .;
- __security_initcall_start = .;
- .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET)
- { *(.security_initcall.init) }
- __security_initcall_end = .;
. = ALIGN(PAGE_SIZE);
__init_end = .;
- /* The initial task and kernel stack */
- .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET)
- { *(.data.init_task) }
-
.data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET)
{
PAGE_ALIGNED_DATA(PAGE_SIZE)
@@ -236,12 +187,6 @@ SECTIONS
* kernel data
*/
- .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET)
- { *(.data.read_mostly) }
-
- .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET)
- { *(.data.cacheline_aligned) }
-
/* Per-cpu data: */
. = ALIGN(PERCPU_PAGE_SIZE);
PERCPU_VADDR(PERCPU_ADDR, :percpu)
@@ -258,6 +203,9 @@ SECTIONS
__cpu0_per_cpu = .;
. = . + PERCPU_PAGE_SIZE; /* cpu0 per-cpu space */
#endif
+ INIT_TASK_DATA(PAGE_SIZE)
+ CACHELINE_ALIGNED_DATA(SMP_CACHE_BYTES)
+ READ_MOSTLY_DATA(SMP_CACHE_BYTES)
DATA_DATA
*(.data1)
*(.gnu.linkonce.d*)
@@ -274,49 +222,14 @@ SECTIONS
.sdata : AT(ADDR(.sdata) - LOAD_OFFSET)
{ *(.sdata) *(.sdata1) *(.srdata) }
_edata = .;
- __bss_start = .;
- .sbss : AT(ADDR(.sbss) - LOAD_OFFSET)
- { *(.sbss) *(.scommon) }
- .bss : AT(ADDR(.bss) - LOAD_OFFSET)
- { *(.bss) *(COMMON) }
- __bss_stop = .;
+
+ BSS_SECTION(0, 0, 0)
_end = .;
code : { } :code
- /* Stabs debugging sections. */
- .stab 0 : { *(.stab) }
- .stabstr 0 : { *(.stabstr) }
- .stab.excl 0 : { *(.stab.excl) }
- .stab.exclstr 0 : { *(.stab.exclstr) }
- .stab.index 0 : { *(.stab.index) }
- .stab.indexstr 0 : { *(.stab.indexstr) }
- /* DWARF debug sections.
- Symbols in the DWARF debugging sections are relative to the beginning
- of the section so we begin them at 0. */
- /* DWARF 1 */
- .debug 0 : { *(.debug) }
- .line 0 : { *(.line) }
- /* GNU DWARF 1 extensions */
- .debug_srcinfo 0 : { *(.debug_srcinfo) }
- .debug_sfnames 0 : { *(.debug_sfnames) }
- /* DWARF 1.1 and DWARF 2 */
- .debug_aranges 0 : { *(.debug_aranges) }
- .debug_pubnames 0 : { *(.debug_pubnames) }
- /* DWARF 2 */
- .debug_info 0 : { *(.debug_info) }
- .debug_abbrev 0 : { *(.debug_abbrev) }
- .debug_line 0 : { *(.debug_line) }
- .debug_frame 0 : { *(.debug_frame) }
- .debug_str 0 : { *(.debug_str) }
- .debug_loc 0 : { *(.debug_loc) }
- .debug_macinfo 0 : { *(.debug_macinfo) }
- /* SGI/MIPS DWARF 2 extensions */
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
- /* These must appear regardless of . */
- /DISCARD/ : { *(.comment) }
+
+ STABS_DEBUG
+ DWARF_DEBUG
/DISCARD/ : { *(.note) }
}
--
GitLab
From a74f7e0410da9da7942cf4f08bbdb0e4fc76f972 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 16 Sep 2009 14:30:34 +0900
Subject: [PATCH 542/742] sh: Wire up HAVE_SYSCALL_TRACEPOINTS.
This is necessary to get ftrace syscall tracing working again.. a fairly
trivial and mechanical change. The one benefit is that this can also be
enabled on sh64, despite not having its own ftrace port.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/Kconfig | 1 +
arch/sh/include/asm/thread_info.h | 8 ++++----
arch/sh/kernel/ptrace_32.c | 15 ++++++---------
arch/sh/kernel/ptrace_64.c | 9 +++++++++
4 files changed, 20 insertions(+), 13 deletions(-)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 2f5352c06a0e..4df3570fe511 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -20,6 +20,7 @@ config SUPERH
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZMA
+ select HAVE_SYSCALL_TRACEPOINTS
select RTC_LIB
select GENERIC_ATOMIC64
help
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index 5123bcaa8509..bdeb9d46d17d 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -116,7 +116,7 @@ extern void free_thread_info(struct thread_info *ti);
#define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */
#define TIF_SECCOMP 6 /* secure computing */
#define TIF_NOTIFY_RESUME 7 /* callback before returning to user */
-#define TIF_SYSCALL_FTRACE 8 /* for ftrace syscall instrumentation */
+#define TIF_SYSCALL_TRACEPOINT 8 /* for ftrace syscall instrumentation */
#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */
#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */
#define TIF_MEMDIE 18
@@ -130,7 +130,7 @@ extern void free_thread_info(struct thread_info *ti);
#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
#define _TIF_SECCOMP (1 << TIF_SECCOMP)
#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
-#define _TIF_SYSCALL_FTRACE (1 << TIF_SYSCALL_FTRACE)
+#define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT)
#define _TIF_USEDFPU (1 << TIF_USEDFPU)
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
#define _TIF_FREEZE (1 << TIF_FREEZE)
@@ -144,13 +144,13 @@ extern void free_thread_info(struct thread_info *ti);
/* work to do in syscall trace */
#define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
_TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \
- _TIF_SYSCALL_FTRACE)
+ _TIF_SYSCALL_TRACEPOINT)
/* work to do on any return to u-space */
#define _TIF_ALLWORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SIGPENDING | \
_TIF_NEED_RESCHED | _TIF_SYSCALL_AUDIT | \
_TIF_SINGLESTEP | _TIF_RESTORE_SIGMASK | \
- _TIF_NOTIFY_RESUME | _TIF_SYSCALL_FTRACE)
+ _TIF_NOTIFY_RESUME | _TIF_SYSCALL_TRACEPOINT)
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index f4f58e438a26..9be35f348093 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -34,7 +34,8 @@
#include <asm/syscalls.h>
#include <asm/fpu.h>
-#include <trace/syscall.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/syscalls.h>
/*
* This routine will get a word off of the process kernel stack.
@@ -461,10 +462,8 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
*/
ret = -1L;
-#ifdef CONFIG_FTRACE_SYSCALLS
- if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
- ftrace_syscall_enter(regs);
-#endif
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_enter(regs, regs->regs[0]);
if (unlikely(current->audit_context))
audit_syscall_entry(audit_arch(), regs->regs[3],
@@ -482,10 +481,8 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]),
regs->regs[0]);
-#ifdef CONFIG_FTRACE_SYSCALLS
- if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
- ftrace_syscall_exit(regs);
-#endif
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_exit(regs, regs->regs[0]);
step = test_thread_flag(TIF_SINGLESTEP);
if (step || test_thread_flag(TIF_SYSCALL_TRACE))
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 695097438f02..952da83903da 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -40,6 +40,9 @@
#include <asm/syscalls.h>
#include <asm/fpu.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/syscalls.h>
+
/* This mask defines the bits of the SR which the user is not allowed to
change, which are everything except S, Q, M, PR, SZ, FR. */
#define SR_MASK (0xffff8cfd)
@@ -438,6 +441,9 @@ asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs)
*/
ret = -1LL;
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_enter(regs, regs->regs[9]);
+
if (unlikely(current->audit_context))
audit_syscall_entry(audit_arch(), regs->regs[1],
regs->regs[2], regs->regs[3],
@@ -452,6 +458,9 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]),
regs->regs[9]);
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_exit(regs, regs->regs[9]);
+
if (test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, 0);
}
--
GitLab
From 480c646c32f368dfa2a076f7a120a7795e786e62 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 16 Sep 2009 15:06:39 +0900
Subject: [PATCH 543/742] sh: Kill off unused se_skipped in alignment trap
notification code.
Nothing is using this, resulting in a build error with certain
configurations. Just kill it off.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/kernel/traps_32.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 583ace55b0dc..6aba9af79eaf 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -47,7 +47,6 @@
static unsigned long se_user;
static unsigned long se_sys;
-static unsigned long se_skipped;
static unsigned long se_half;
static unsigned long se_word;
static unsigned long se_dword;
@@ -77,7 +76,6 @@ proc_alignment_read(char *page, char **start, off_t off, int count, int *eof,
p += sprintf(p, "User:\t\t%lu\n", se_user);
p += sprintf(p, "System:\t\t%lu\n", se_sys);
- p += sprintf(p, "Skipped:\t%lu\n", se_skipped);
p += sprintf(p, "Half:\t\t%lu\n", se_half);
p += sprintf(p, "Word:\t\t%lu\n", se_word);
p += sprintf(p, "DWord:\t\t%lu\n", se_dword);
--
GitLab
From 54e2603f1a85b9725aa13518d69148b6e7061aa9 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 16 Sep 2009 08:42:26 +0200
Subject: [PATCH 544/742] x86: platform: Fix section annotations
init_IRQ() and x86_late_time_init() are missing __init annotations.
The x86 platform ops variables are annotated, but the annotation needs
to be put between the variable name and the "=" of the initializer.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/irqinit.c | 2 +-
arch/x86/kernel/time.c | 2 +-
arch/x86/kernel/x86_init.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index e0142cda2394..73b16649b7d1 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -140,7 +140,7 @@ void __init init_ISA_irqs(void)
}
}
-void init_IRQ(void)
+void __init init_IRQ(void)
{
x86_init.irqs.intr_init();
}
diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index fcece00356a4..e293ac56c723 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -105,7 +105,7 @@ void __init hpet_time_init(void)
setup_default_timer_irq();
}
-static void x86_late_time_init(void)
+static __init void x86_late_time_init(void)
{
x86_init.timers.timer_init();
tsc_init();
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 24be7f397894..68824c7be4e2 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -23,7 +23,7 @@ void __init x86_init_pgd_noop(pgd_t *unused) { }
* The platform setup functions are preset with the default functions
* for standard PC hardware.
*/
-struct __initdata x86_init_ops x86_init = {
+struct x86_init_ops x86_init __initdata = {
.resources = {
.probe_roms = x86_init_noop,
@@ -64,7 +64,7 @@ struct __initdata x86_init_ops x86_init = {
},
};
-__cpuinitdata struct x86_cpuinit_ops x86_cpuinit = {
+struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
.setup_percpu_clockev = setup_secondary_APIC_clock,
};
--
GitLab
From d6db07ded51c5fb4df2f4a32e6a41e9bb5db7fc4 Mon Sep 17 00:00:00 2001
From: Csaba Henk <csaba@gluster.com>
Date: Mon, 24 Aug 2009 06:14:07 +0200
Subject: [PATCH 545/742] fuse: use drop_nlink() instead of direct nlink
manipulation
drop_nlink() is the API function to decrease the link count of an inode.
However, at a place the control filesystem used the decrement operator
on i_nlink directly. Fix this.
Cc: Anand Avati <avati@gluster.com>
Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
fs/fuse/control.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index 99c99dfb0373..218d514924c0 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -156,7 +156,7 @@ void fuse_ctl_remove_conn(struct fuse_conn *fc)
d_drop(dentry);
dput(dentry);
}
- fuse_control_sb->s_root->d_inode->i_nlink--;
+ drop_nlink(fuse_control_sb->s_root->d_inode);
}
static int fuse_ctl_fill_super(struct super_block *sb, void *data, int silent)
--
GitLab
From 487ea5af6358cb27c994e2cf056d4ee0872e43c3 Mon Sep 17 00:00:00 2001
From: Csaba Henk <csaba@gluster.com>
Date: Wed, 26 Aug 2009 19:17:22 +0200
Subject: [PATCH 546/742] fuse: limit user-specified values of max background
requests
An untrusted user could DoS the system if s/he were allowed to accumulate an
arbitrary number of pending background requests by setting the above limits
to extremely high values in INIT. This patch excludes this possibility by
imposing global upper limits on the possible values of per-mount "max
background requests" and "congestion threshold" parameters for unprivileged
FUSE filesystems.
These global limits are implemented as module parameters.
Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
fs/fuse/inode.c | 78 +++++++++++++++++++++++++++++++++++++++++++++----
1 file changed, 72 insertions(+), 6 deletions(-)
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 9aa6f46d0c32..e54ddbda208c 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -14,6 +14,7 @@
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/parser.h>
#include <linux/statfs.h>
#include <linux/random.h>
@@ -28,6 +29,24 @@ static struct kmem_cache *fuse_inode_cachep;
struct list_head fuse_conn_list;
DEFINE_MUTEX(fuse_mutex);
+static int set_global_limit(const char *val, struct kernel_param *kp);
+
+static unsigned max_user_bgreq;
+module_param_call(max_user_bgreq, set_global_limit, param_get_uint,
+ &max_user_bgreq, 0644);
+__MODULE_PARM_TYPE(max_user_bgreq, "uint");
+MODULE_PARM_DESC(max_user_bgreq,
+ "Global limit for the maximum number of backgrounded requests an "
+ "unprivileged user can set");
+
+static unsigned max_user_congthresh;
+module_param_call(max_user_congthresh, set_global_limit, param_get_uint,
+ &max_user_congthresh, 0644);
+__MODULE_PARM_TYPE(max_user_congthresh, "uint");
+MODULE_PARM_DESC(max_user_congthresh,
+ "Global limit for the maximum congestion threshold an "
+ "unprivileged user can set");
+
#define FUSE_SUPER_MAGIC 0x65735546
#define FUSE_DEFAULT_BLKSIZE 512
@@ -735,6 +754,54 @@ static const struct super_operations fuse_super_operations = {
.show_options = fuse_show_options,
};
+static void sanitize_global_limit(unsigned *limit)
+{
+ if (*limit == 0)
+ *limit = ((num_physpages << PAGE_SHIFT) >> 13) /
+ sizeof(struct fuse_req);
+
+ if (*limit >= 1 << 16)
+ *limit = (1 << 16) - 1;
+}
+
+static int set_global_limit(const char *val, struct kernel_param *kp)
+{
+ int rv;
+
+ rv = param_set_uint(val, kp);
+ if (rv)
+ return rv;
+
+ sanitize_global_limit((unsigned *)kp->arg);
+
+ return 0;
+}
+
+static void process_init_limits(struct fuse_conn *fc, struct fuse_init_out *arg)
+{
+ int cap_sys_admin = capable(CAP_SYS_ADMIN);
+
+ if (arg->minor < 13)
+ return;
+
+ sanitize_global_limit(&max_user_bgreq);
+ sanitize_global_limit(&max_user_congthresh);
+
+ if (arg->max_background) {
+ fc->max_background = arg->max_background;
+
+ if (!cap_sys_admin && fc->max_background > max_user_bgreq)
+ fc->max_background = max_user_bgreq;
+ }
+ if (arg->congestion_threshold) {
+ fc->congestion_threshold = arg->congestion_threshold;
+
+ if (!cap_sys_admin &&
+ fc->congestion_threshold > max_user_congthresh)
+ fc->congestion_threshold = max_user_congthresh;
+ }
+}
+
static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
{
struct fuse_init_out *arg = &req->misc.init_out;
@@ -744,12 +811,8 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req)
else {
unsigned long ra_pages;
- if (arg->minor >= 13) {
- if (arg->max_background)
- fc->max_background = arg->max_background;
- if (arg->congestion_threshold)
- fc->congestion_threshold = arg->congestion_threshold;
- }
+ process_init_limits(fc, arg);
+
if (arg->minor >= 6) {
ra_pages = arg->max_readahead / PAGE_CACHE_SIZE;
if (arg->flags & FUSE_ASYNC_READ)
@@ -1161,6 +1224,9 @@ static int __init fuse_init(void)
if (res)
goto err_sysfs_cleanup;
+ sanitize_global_limit(&max_user_bgreq);
+ sanitize_global_limit(&max_user_congthresh);
+
return 0;
err_sysfs_cleanup:
--
GitLab
From 79a9d99434b104c562f30f21b75317667f444793 Mon Sep 17 00:00:00 2001
From: Csaba Henk <csaba@gluster.com>
Date: Wed, 26 Aug 2009 19:18:24 +0200
Subject: [PATCH 547/742] fuse: add fusectl interface to max_background
Make the max_background and congestion_threshold parameters of a FUSE
mount tunable at runtime by adding the respective knobs to its directory
within the fusectl filesystem.
Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
fs/fuse/control.c | 136 +++++++++++++++++++++++++++++++++++++++++++++-
fs/fuse/fuse_i.h | 6 +-
fs/fuse/inode.c | 4 +-
3 files changed, 141 insertions(+), 5 deletions(-)
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index 218d514924c0..3773fd63d2f9 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -61,6 +61,121 @@ static ssize_t fuse_conn_waiting_read(struct file *file, char __user *buf,
return simple_read_from_buffer(buf, len, ppos, tmp, size);
}
+static ssize_t fuse_conn_limit_read(struct file *file, char __user *buf,
+ size_t len, loff_t *ppos, unsigned val)
+{
+ char tmp[32];
+ size_t size = sprintf(tmp, "%u\n", val);
+
+ return simple_read_from_buffer(buf, len, ppos, tmp, size);
+}
+
+static ssize_t fuse_conn_limit_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos, unsigned *val,
+ unsigned global_limit)
+{
+ unsigned long t;
+ char tmp[32];
+ unsigned limit = (1 << 16) - 1;
+ int err;
+
+ if (*ppos || count >= sizeof(tmp) - 1)
+ return -EINVAL;
+
+ if (copy_from_user(tmp, buf, count))
+ return -EINVAL;
+
+ tmp[count] = '\0';
+
+ err = strict_strtoul(tmp, 0, &t);
+ if (err)
+ return err;
+
+ if (!capable(CAP_SYS_ADMIN))
+ limit = min(limit, global_limit);
+
+ if (t > limit)
+ return -EINVAL;
+
+ *val = t;
+
+ return count;
+}
+
+static ssize_t fuse_conn_max_background_read(struct file *file,
+ char __user *buf, size_t len,
+ loff_t *ppos)
+{
+ struct fuse_conn *fc;
+ unsigned val;
+
+ fc = fuse_ctl_file_conn_get(file);
+ if (!fc)
+ return 0;
+
+ val = fc->max_background;
+ fuse_conn_put(fc);
+
+ return fuse_conn_limit_read(file, buf, len, ppos, val);
+}
+
+static ssize_t fuse_conn_max_background_write(struct file *file,
+ const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ unsigned val;
+ ssize_t ret;
+
+ ret = fuse_conn_limit_write(file, buf, count, ppos, &val,
+ max_user_bgreq);
+ if (ret > 0) {
+ struct fuse_conn *fc = fuse_ctl_file_conn_get(file);
+ if (fc) {
+ fc->max_background = val;
+ fuse_conn_put(fc);
+ }
+ }
+
+ return ret;
+}
+
+static ssize_t fuse_conn_congestion_threshold_read(struct file *file,
+ char __user *buf, size_t len,
+ loff_t *ppos)
+{
+ struct fuse_conn *fc;
+ unsigned val;
+
+ fc = fuse_ctl_file_conn_get(file);
+ if (!fc)
+ return 0;
+
+ val = fc->congestion_threshold;
+ fuse_conn_put(fc);
+
+ return fuse_conn_limit_read(file, buf, len, ppos, val);
+}
+
+static ssize_t fuse_conn_congestion_threshold_write(struct file *file,
+ const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ unsigned val;
+ ssize_t ret;
+
+ ret = fuse_conn_limit_write(file, buf, count, ppos, &val,
+ max_user_congthresh);
+ if (ret > 0) {
+ struct fuse_conn *fc = fuse_ctl_file_conn_get(file);
+ if (fc) {
+ fc->congestion_threshold = val;
+ fuse_conn_put(fc);
+ }
+ }
+
+ return ret;
+}
+
static const struct file_operations fuse_ctl_abort_ops = {
.open = nonseekable_open,
.write = fuse_conn_abort_write,
@@ -71,6 +186,18 @@ static const struct file_operations fuse_ctl_waiting_ops = {
.read = fuse_conn_waiting_read,
};
+static const struct file_operations fuse_conn_max_background_ops = {
+ .open = nonseekable_open,
+ .read = fuse_conn_max_background_read,
+ .write = fuse_conn_max_background_write,
+};
+
+static const struct file_operations fuse_conn_congestion_threshold_ops = {
+ .open = nonseekable_open,
+ .read = fuse_conn_congestion_threshold_read,
+ .write = fuse_conn_congestion_threshold_write,
+};
+
static struct dentry *fuse_ctl_add_dentry(struct dentry *parent,
struct fuse_conn *fc,
const char *name,
@@ -127,9 +254,14 @@ int fuse_ctl_add_conn(struct fuse_conn *fc)
goto err;
if (!fuse_ctl_add_dentry(parent, fc, "waiting", S_IFREG | 0400, 1,
- NULL, &fuse_ctl_waiting_ops) ||
+ NULL, &fuse_ctl_waiting_ops) ||
!fuse_ctl_add_dentry(parent, fc, "abort", S_IFREG | 0200, 1,
- NULL, &fuse_ctl_abort_ops))
+ NULL, &fuse_ctl_abort_ops) ||
+ !fuse_ctl_add_dentry(parent, fc, "max_background", S_IFREG | 0600,
+ 1, NULL, &fuse_conn_max_background_ops) ||
+ !fuse_ctl_add_dentry(parent, fc, "congestion_threshold",
+ S_IFREG | 0600, 1, NULL,
+ &fuse_conn_congestion_threshold_ops))
goto err;
return 0;
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 6bcfab04396f..fc9c79feb5f7 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -32,7 +32,7 @@
#define FUSE_NAME_MAX 1024
/** Number of dentries for each connection in the control filesystem */
-#define FUSE_CTL_NUM_DENTRIES 3
+#define FUSE_CTL_NUM_DENTRIES 5
/** If the FUSE_DEFAULT_PERMISSIONS flag is given, the filesystem
module will check permissions based on the file mode. Otherwise no
@@ -49,6 +49,10 @@ extern struct list_head fuse_conn_list;
/** Global mutex protecting fuse_conn_list and the control filesystem */
extern struct mutex fuse_mutex;
+/** Module parameters */
+extern unsigned max_user_bgreq;
+extern unsigned max_user_congthresh;
+
/** FUSE inode */
struct fuse_inode {
/** Inode data */
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index e54ddbda208c..8f9aca8d4ad5 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -31,7 +31,7 @@ DEFINE_MUTEX(fuse_mutex);
static int set_global_limit(const char *val, struct kernel_param *kp);
-static unsigned max_user_bgreq;
+unsigned max_user_bgreq;
module_param_call(max_user_bgreq, set_global_limit, param_get_uint,
&max_user_bgreq, 0644);
__MODULE_PARM_TYPE(max_user_bgreq, "uint");
@@ -39,7 +39,7 @@ MODULE_PARM_DESC(max_user_bgreq,
"Global limit for the maximum number of backgrounded requests an "
"unprivileged user can set");
-static unsigned max_user_congthresh;
+unsigned max_user_congthresh;
module_param_call(max_user_congthresh, set_global_limit, param_get_uint,
&max_user_congthresh, 0644);
__MODULE_PARM_TYPE(max_user_congthresh, "uint");
--
GitLab
From 7bd867dfb4e0357e06a3211ab2bd0e714110def3 Mon Sep 17 00:00:00 2001
From: Feng Tang <feng.tang@intel.com>
Date: Thu, 10 Sep 2009 10:48:56 +0800
Subject: [PATCH 548/742] x86: Move get/set_wallclock to x86_platform_ops
get/set_wallclock() have already a set of platform dependent
implementations (default, EFI, paravirt). MRST will add another
variant.
Moving them to platform ops simplifies the existing code and minimizes
the effort to integrate new variants.
Signed-off-by: Feng Tang <feng.tang@intel.com>
LKML-Reference: <new-submission>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/paravirt.h | 10 ------
arch/x86/include/asm/paravirt_types.h | 4 ---
arch/x86/include/asm/time.h | 50 ---------------------------
arch/x86/include/asm/x86_init.h | 4 +++
arch/x86/kernel/efi.c | 4 +++
arch/x86/kernel/kvmclock.c | 4 +--
arch/x86/kernel/paravirt.c | 2 --
arch/x86/kernel/rtc.c | 12 +++----
arch/x86/kernel/vmi_32.c | 4 +--
arch/x86/kernel/x86_init.c | 2 ++
arch/x86/lguest/boot.c | 4 +--
arch/x86/xen/enlighten.c | 4 +--
12 files changed, 21 insertions(+), 83 deletions(-)
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 1e458a553303..a69ae87bd7d8 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -24,16 +24,6 @@ static inline void load_sp0(struct tss_struct *tss,
PVOP_VCALL2(pv_cpu_ops.load_sp0, tss, thread);
}
-static inline unsigned long get_wallclock(void)
-{
- return PVOP_CALL0(unsigned long, pv_time_ops.get_wallclock);
-}
-
-static inline int set_wallclock(unsigned long nowtime)
-{
- return PVOP_CALL1(int, pv_time_ops.set_wallclock, nowtime);
-}
-
/* The paravirtualized CPUID instruction. */
static inline void __cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 0d812e592e3b..c25d5e3bdf9c 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -88,10 +88,6 @@ struct pv_lazy_ops {
};
struct pv_time_ops {
- /* Set and set time of day */
- unsigned long (*get_wallclock)(void);
- int (*set_wallclock)(unsigned long);
-
unsigned long long (*sched_clock)(void);
unsigned long (*get_tsc_khz)(void);
};
diff --git a/arch/x86/include/asm/time.h b/arch/x86/include/asm/time.h
index 9c5608b21c27..7bdec4e9b739 100644
--- a/arch/x86/include/asm/time.h
+++ b/arch/x86/include/asm/time.h
@@ -4,57 +4,7 @@
extern void hpet_time_init(void);
#include <asm/mc146818rtc.h>
-#ifdef CONFIG_X86_32
-#include <linux/efi.h>
-
-static inline unsigned long native_get_wallclock(void)
-{
- unsigned long retval;
-
- if (efi_enabled)
- retval = efi_get_time();
- else
- retval = mach_get_cmos_time();
-
- return retval;
-}
-
-static inline int native_set_wallclock(unsigned long nowtime)
-{
- int retval;
-
- if (efi_enabled)
- retval = efi_set_rtc_mmss(nowtime);
- else
- retval = mach_set_rtc_mmss(nowtime);
-
- return retval;
-}
-
-#else
-extern void native_time_init_hook(void);
-
-static inline unsigned long native_get_wallclock(void)
-{
- return mach_get_cmos_time();
-}
-
-static inline int native_set_wallclock(unsigned long nowtime)
-{
- return mach_set_rtc_mmss(nowtime);
-}
-
-#endif
extern void time_init(void);
-#ifdef CONFIG_PARAVIRT
-#include <asm/paravirt.h>
-#else /* !CONFIG_PARAVIRT */
-
-#define get_wallclock() native_get_wallclock()
-#define set_wallclock(x) native_set_wallclock(x)
-
-#endif /* CONFIG_PARAVIRT */
-
#endif /* _ASM_X86_TIME_H */
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index b6c89428137d..2c756fd4ab0e 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -114,9 +114,13 @@ struct x86_cpuinit_ops {
/**
* struct x86_platform_ops - platform specific runtime functions
* @calibrate_tsc: calibrate TSC
+ * @get_wallclock: get time from HW clock like RTC etc.
+ * @set_wallclock: set time back to HW clock
*/
struct x86_platform_ops {
unsigned long (*calibrate_tsc)(void);
+ unsigned long (*get_wallclock)(void);
+ int (*set_wallclock)(unsigned long nowtime);
};
extern struct x86_init_ops x86_init;
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index fe26ba3e3451..ad5bd988fb79 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -42,6 +42,7 @@
#include <asm/time.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
+#include <asm/x86_init.h>
#define EFI_DEBUG 1
#define PFX "EFI: "
@@ -453,6 +454,9 @@ void __init efi_init(void)
if (add_efi_memmap)
do_add_efi_memmap();
+ x86_platform.get_wallclock = efi_get_time;
+ x86_platform.set_wallclock = efi_set_rtc_mmss;
+
/* Setup for EFI runtime service */
reboot_type = BOOT_EFI;
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 75a21b61b863..59ab94db12ea 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -184,10 +184,10 @@ void __init kvmclock_init(void)
if (kvmclock && kvm_para_has_feature(KVM_FEATURE_CLOCKSOURCE)) {
if (kvm_register_clock("boot clock"))
return;
- pv_time_ops.get_wallclock = kvm_get_wallclock;
- pv_time_ops.set_wallclock = kvm_set_wallclock;
pv_time_ops.sched_clock = kvm_clock_read;
x86_platform.calibrate_tsc = kvm_get_tsc_khz;
+ x86_platform.get_wallclock = kvm_get_wallclock;
+ x86_platform.set_wallclock = kvm_set_wallclock;
#ifdef CONFIG_X86_LOCAL_APIC
x86_cpuinit.setup_percpu_clockev =
kvm_setup_secondary_clock;
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 7cbf898d839b..c0fb85aed432 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -306,8 +306,6 @@ struct pv_init_ops pv_init_ops = {
};
struct pv_time_ops pv_time_ops = {
- .get_wallclock = native_get_wallclock,
- .set_wallclock = native_set_wallclock,
.sched_clock = native_sched_clock,
};
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 5d465b207e72..b8652f2e6855 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -8,6 +8,7 @@
#include <linux/pnp.h>
#include <asm/vsyscall.h>
+#include <asm/x86_init.h>
#include <asm/time.h>
#ifdef CONFIG_X86_32
@@ -165,13 +166,13 @@ void rtc_cmos_write(unsigned char val, unsigned char addr)
}
EXPORT_SYMBOL(rtc_cmos_write);
-static int set_rtc_mmss(unsigned long nowtime)
+int update_persistent_clock(struct timespec now)
{
unsigned long flags;
int retval;
spin_lock_irqsave(&rtc_lock, flags);
- retval = set_wallclock(nowtime);
+ retval = x86_platform.set_wallclock(now.tv_sec);
spin_unlock_irqrestore(&rtc_lock, flags);
return retval;
@@ -183,17 +184,12 @@ unsigned long read_persistent_clock(void)
unsigned long retval, flags;
spin_lock_irqsave(&rtc_lock, flags);
- retval = get_wallclock();
+ retval = x86_platform.get_wallclock();
spin_unlock_irqrestore(&rtc_lock, flags);
return retval;
}
-int update_persistent_clock(struct timespec now)
-{
- return set_rtc_mmss(now.tv_sec);
-}
-
unsigned long long native_read_tsc(void)
{
return __native_read_tsc();
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index 052ae81ee08b..31e6f6cfe53e 100644
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -818,14 +818,14 @@ static inline int __init activate_vmi(void)
vmi_timer_ops.cancel_alarm =
vmi_get_function(VMI_CALL_CancelAlarm);
x86_init.timers.timer_init = vmi_time_init;
- pv_time_ops.get_wallclock = vmi_get_wallclock;
- pv_time_ops.set_wallclock = vmi_set_wallclock;
#ifdef CONFIG_X86_LOCAL_APIC
x86_init.timers.setup_percpu_clockev = vmi_time_bsp_init;
x86_cpuinit.setup_percpu_clockev = vmi_time_ap_init;
#endif
pv_time_ops.sched_clock = vmi_sched_clock;
x86_platform.calibrate_tsc = vmi_tsc_khz;
+ x86_platform.get_wallclock = vmi_get_wallclock;
+ x86_platform.set_wallclock = vmi_set_wallclock;
/* We have true wallclock functions; disable CMOS clock sync */
no_sync_cmos_clock = 1;
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 68824c7be4e2..4449a4a2c2ed 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -70,4 +70,6 @@ struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
struct x86_platform_ops x86_platform = {
.calibrate_tsc = native_calibrate_tsc,
+ .get_wallclock = mach_get_cmos_time,
+ .set_wallclock = mach_set_rtc_mmss,
};
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index fabe745513d9..4cb7d5d18b8e 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1318,13 +1318,11 @@ __init void lguest_init(void)
set_lguest_basic_apic_ops();
#endif
- /* Time operations */
- pv_time_ops.get_wallclock = lguest_get_wallclock;
-
x86_init.resources.memory_setup = lguest_memory_setup;
x86_init.irqs.intr_init = lguest_init_IRQ;
x86_init.timers.timer_init = lguest_time_init;
x86_platform.calibrate_tsc = lguest_tsc_khz;
+ x86_platform.get_wallclock = lguest_get_wallclock;
/*
* Now is a good time to look at the implementations of these functions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index ee8cac77c8a4..b5bf8b9119a3 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -842,8 +842,6 @@ static const struct pv_init_ops xen_init_ops __initdata = {
};
static const struct pv_time_ops xen_time_ops __initdata = {
- .set_wallclock = xen_set_wallclock,
- .get_wallclock = xen_get_wallclock,
.sched_clock = xen_sched_clock,
};
@@ -980,6 +978,8 @@ asmlinkage void __init xen_start_kernel(void)
x86_cpuinit.setup_percpu_clockev = x86_init_noop;
x86_platform.calibrate_tsc = xen_tsc_khz;
+ x86_platform.get_wallclock = xen_get_wallclock;
+ x86_platform.set_wallclock = xen_set_wallclock;
#ifdef CONFIG_X86_64
/*
--
GitLab
From f0adb134d8dc9993a9998dc50845ec4f6ff4fadc Mon Sep 17 00:00:00 2001
From: Kurt Roeckx <kurt@roeckx.be>
Date: Wed, 16 Sep 2009 11:09:32 -0400
Subject: [PATCH 549/742] [CPUFREQ] Fix NULL ptr regression in powernow-k8
Fixes bugzilla #13780
From: Kurt Roeckx <kurt@roeckx.be>
Signed-off-by: Dave Jones <davej@redhat.com>
---
arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 0cbce0481a54..6394aa5c7985 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -605,9 +605,10 @@ static int check_pst_table(struct powernow_k8_data *data, struct pst_s *pst,
return 0;
}
-static void invalidate_entry(struct powernow_k8_data *data, unsigned int entry)
+static void invalidate_entry(struct cpufreq_frequency_table *powernow_table,
+ unsigned int entry)
{
- data->powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID;
+ powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID;
}
static void print_basics(struct powernow_k8_data *data)
@@ -915,13 +916,13 @@ static int fill_powernow_table_pstate(struct powernow_k8_data *data,
"bad value %d.\n", i, index);
printk(KERN_ERR PFX "Please report to BIOS "
"manufacturer\n");
- invalidate_entry(data, i);
+ invalidate_entry(powernow_table, i);
continue;
}
rdmsr(MSR_PSTATE_DEF_BASE + index, lo, hi);
if (!(hi & HW_PSTATE_VALID_MASK)) {
dprintk("invalid pstate %d, ignoring\n", index);
- invalidate_entry(data, i);
+ invalidate_entry(powernow_table, i);
continue;
}
@@ -970,7 +971,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data,
/* verify frequency is OK */
if ((freq > (MAX_FREQ * 1000)) || (freq < (MIN_FREQ * 1000))) {
dprintk("invalid freq %u kHz, ignoring\n", freq);
- invalidate_entry(data, i);
+ invalidate_entry(powernow_table, i);
continue;
}
@@ -978,7 +979,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data,
* BIOSs are using "off" to indicate invalid */
if (vid == VID_OFF) {
dprintk("invalid vid %u, ignoring\n", vid);
- invalidate_entry(data, i);
+ invalidate_entry(powernow_table, i);
continue;
}
@@ -988,7 +989,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data,
(unsigned int)
(data->acpi_data.states[i].core_frequency
* 1000));
- invalidate_entry(data, i);
+ invalidate_entry(powernow_table, i);
continue;
}
}
--
GitLab
From b449fc6fcc07a392c69f3c1db9a4ad4dda8cbcba Mon Sep 17 00:00:00 2001
From: Andreas Dilger <adilger@sun.com>
Date: Thu, 30 Jul 2009 20:09:46 +0200
Subject: [PATCH 550/742] JBD: round commit timer up to avoid uncommitted
transaction
Fix jiffie rounding in jbd commit timer setup code. Rounding down could cause
the timer to be fired before the corresponding transaction has expired. That
transaction can stay not committed forever if no new transaction is created or
explicit sync/umount happens.
Signed-off-by: Andreas Dilger <adilger@sun.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/jbd/transaction.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index c03ac11f74be..833c1675a00c 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -56,7 +56,8 @@ get_transaction(journal_t *journal, transaction_t *transaction)
spin_lock_init(&transaction->t_handle_lock);
/* Set up the commit timer for the new transaction. */
- journal->j_commit_timer.expires = round_jiffies(transaction->t_expires);
+ journal->j_commit_timer.expires =
+ round_jiffies_up(transaction->t_expires);
add_timer(&journal->j_commit_timer);
J_ASSERT(journal->j_running_transaction == NULL);
--
GitLab
From 19003c18e9b41f5c3aeb81c92356f90958e1f22f Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Mon, 3 Aug 2009 19:00:57 +0200
Subject: [PATCH 551/742] ext3: Update MAINTAINERS for ext3 and JBD
Stephen agreed that he's unlikely to find time for working on ext3/JBD in the
near future and is not working on it for some time already. So remove him.
Added myself to JBD since after Andrew I'm probably the second most sensible
contact ;).
CC: Stephen Tweedie <sct@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
MAINTAINERS | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 9117b65f4ae3..424beb672aff 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1967,7 +1967,6 @@ F: fs/ext2/
F: include/linux/ext2*
EXT3 FILE SYSTEM
-M: Stephen Tweedie <sct@redhat.com>
M: Andrew Morton <akpm@linux-foundation.org>
M: Andreas Dilger <adilger@sun.com>
L: linux-ext4@vger.kernel.org
@@ -2892,8 +2891,8 @@ F: fs/jffs2/
F: include/linux/jffs2.h
JOURNALLING LAYER FOR BLOCK DEVICES (JBD)
-M: Stephen Tweedie <sct@redhat.com>
M: Andrew Morton <akpm@linux-foundation.org>
+M: Jan Kara <jack@suse.cz>
L: linux-ext4@vger.kernel.org
S: Maintained
F: fs/jbd*/
--
GitLab
From 9c28cbccec66a5ca292c6659bf5a0fe0c8459fa7 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Mon, 3 Aug 2009 19:21:00 +0200
Subject: [PATCH 552/742] jbd: Journal block numbers can ever be only 32-bit
use unsigned int for them
It does not make sense to store block number for journal as unsigned long
since they can be only 32-bit (because of on-disk format limitation). So
change in-memory structures and variables to use unsigned int instead.
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/jbd/checkpoint.c | 6 +++---
fs/jbd/commit.c | 2 +-
fs/jbd/journal.c | 30 +++++++++++++++---------------
fs/jbd/recovery.c | 18 +++++++++---------
fs/jbd/revoke.c | 16 ++++++++--------
include/linux/jbd.h | 26 +++++++++++++-------------
6 files changed, 49 insertions(+), 49 deletions(-)
diff --git a/fs/jbd/checkpoint.c b/fs/jbd/checkpoint.c
index 61f32f3868cd..b0435dd0654d 100644
--- a/fs/jbd/checkpoint.c
+++ b/fs/jbd/checkpoint.c
@@ -456,7 +456,7 @@ int cleanup_journal_tail(journal_t *journal)
{
transaction_t * transaction;
tid_t first_tid;
- unsigned long blocknr, freed;
+ unsigned int blocknr, freed;
if (is_journal_aborted(journal))
return 1;
@@ -502,8 +502,8 @@ int cleanup_journal_tail(journal_t *journal)
freed = freed + journal->j_last - journal->j_first;
jbd_debug(1,
- "Cleaning journal tail from %d to %d (offset %lu), "
- "freeing %lu\n",
+ "Cleaning journal tail from %d to %d (offset %u), "
+ "freeing %u\n",
journal->j_tail_sequence, first_tid, blocknr, freed);
journal->j_free += freed;
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index 618e21c0b7a3..4bd882548c45 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -308,7 +308,7 @@ void journal_commit_transaction(journal_t *journal)
int bufs;
int flags;
int err;
- unsigned long blocknr;
+ unsigned int blocknr;
ktime_t start_time;
u64 commit_time;
char *tagp = NULL;
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index f96f85092d1c..bd3c073b485d 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -276,7 +276,7 @@ static void journal_kill_thread(journal_t *journal)
int journal_write_metadata_buffer(transaction_t *transaction,
struct journal_head *jh_in,
struct journal_head **jh_out,
- unsigned long blocknr)
+ unsigned int blocknr)
{
int need_copy_out = 0;
int done_copy_out = 0;
@@ -567,9 +567,9 @@ int log_wait_commit(journal_t *journal, tid_t tid)
* Log buffer allocation routines:
*/
-int journal_next_log_block(journal_t *journal, unsigned long *retp)
+int journal_next_log_block(journal_t *journal, unsigned int *retp)
{
- unsigned long blocknr;
+ unsigned int blocknr;
spin_lock(&journal->j_state_lock);
J_ASSERT(journal->j_free > 1);
@@ -590,11 +590,11 @@ int journal_next_log_block(journal_t *journal, unsigned long *retp)
* this is a no-op. If needed, we can use j_blk_offset - everything is
* ready.
*/
-int journal_bmap(journal_t *journal, unsigned long blocknr,
- unsigned long *retp)
+int journal_bmap(journal_t *journal, unsigned int blocknr,
+ unsigned int *retp)
{
int err = 0;
- unsigned long ret;
+ unsigned int ret;
if (journal->j_inode) {
ret = bmap(journal->j_inode, blocknr);
@@ -604,7 +604,7 @@ int journal_bmap(journal_t *journal, unsigned long blocknr,
char b[BDEVNAME_SIZE];
printk(KERN_ALERT "%s: journal block not found "
- "at offset %lu on %s\n",
+ "at offset %u on %s\n",
__func__,
blocknr,
bdevname(journal->j_dev, b));
@@ -630,7 +630,7 @@ int journal_bmap(journal_t *journal, unsigned long blocknr,
struct journal_head *journal_get_descriptor_buffer(journal_t *journal)
{
struct buffer_head *bh;
- unsigned long blocknr;
+ unsigned int blocknr;
int err;
err = journal_next_log_block(journal, &blocknr);
@@ -774,7 +774,7 @@ journal_t * journal_init_inode (struct inode *inode)
journal_t *journal = journal_init_common();
int err;
int n;
- unsigned long blocknr;
+ unsigned int blocknr;
if (!journal)
return NULL;
@@ -846,12 +846,12 @@ static void journal_fail_superblock (journal_t *journal)
static int journal_reset(journal_t *journal)
{
journal_superblock_t *sb = journal->j_superblock;
- unsigned long first, last;
+ unsigned int first, last;
first = be32_to_cpu(sb->s_first);
last = be32_to_cpu(sb->s_maxlen);
if (first + JFS_MIN_JOURNAL_BLOCKS > last + 1) {
- printk(KERN_ERR "JBD: Journal too short (blocks %lu-%lu).\n",
+ printk(KERN_ERR "JBD: Journal too short (blocks %u-%u).\n",
first, last);
journal_fail_superblock(journal);
return -EINVAL;
@@ -885,7 +885,7 @@ static int journal_reset(journal_t *journal)
**/
int journal_create(journal_t *journal)
{
- unsigned long blocknr;
+ unsigned int blocknr;
struct buffer_head *bh;
journal_superblock_t *sb;
int i, err;
@@ -969,14 +969,14 @@ void journal_update_superblock(journal_t *journal, int wait)
if (sb->s_start == 0 && journal->j_tail_sequence ==
journal->j_transaction_sequence) {
jbd_debug(1,"JBD: Skipping superblock update on recovered sb "
- "(start %ld, seq %d, errno %d)\n",
+ "(start %u, seq %d, errno %d)\n",
journal->j_tail, journal->j_tail_sequence,
journal->j_errno);
goto out;
}
spin_lock(&journal->j_state_lock);
- jbd_debug(1,"JBD: updating superblock (start %ld, seq %d, errno %d)\n",
+ jbd_debug(1,"JBD: updating superblock (start %u, seq %d, errno %d)\n",
journal->j_tail, journal->j_tail_sequence, journal->j_errno);
sb->s_sequence = cpu_to_be32(journal->j_tail_sequence);
@@ -1371,7 +1371,7 @@ int journal_flush(journal_t *journal)
{
int err = 0;
transaction_t *transaction = NULL;
- unsigned long old_tail;
+ unsigned int old_tail;
spin_lock(&journal->j_state_lock);
diff --git a/fs/jbd/recovery.c b/fs/jbd/recovery.c
index db5e982c5ddf..cb1a49ae605e 100644
--- a/fs/jbd/recovery.c
+++ b/fs/jbd/recovery.c
@@ -70,7 +70,7 @@ static int do_readahead(journal_t *journal, unsigned int start)
{
int err;
unsigned int max, nbufs, next;
- unsigned long blocknr;
+ unsigned int blocknr;
struct buffer_head *bh;
struct buffer_head * bufs[MAXBUF];
@@ -132,7 +132,7 @@ static int jread(struct buffer_head **bhp, journal_t *journal,
unsigned int offset)
{
int err;
- unsigned long blocknr;
+ unsigned int blocknr;
struct buffer_head *bh;
*bhp = NULL;
@@ -314,7 +314,7 @@ static int do_one_pass(journal_t *journal,
struct recovery_info *info, enum passtype pass)
{
unsigned int first_commit_ID, next_commit_ID;
- unsigned long next_log_block;
+ unsigned int next_log_block;
int err, success = 0;
journal_superblock_t * sb;
journal_header_t * tmp;
@@ -367,14 +367,14 @@ static int do_one_pass(journal_t *journal,
if (tid_geq(next_commit_ID, info->end_transaction))
break;
- jbd_debug(2, "Scanning for sequence ID %u at %lu/%lu\n",
+ jbd_debug(2, "Scanning for sequence ID %u at %u/%u\n",
next_commit_ID, next_log_block, journal->j_last);
/* Skip over each chunk of the transaction looking
* either the next descriptor block or the final commit
* record. */
- jbd_debug(3, "JBD: checking block %ld\n", next_log_block);
+ jbd_debug(3, "JBD: checking block %u\n", next_log_block);
err = jread(&bh, journal, next_log_block);
if (err)
goto failed;
@@ -429,7 +429,7 @@ static int do_one_pass(journal_t *journal,
tagp = &bh->b_data[sizeof(journal_header_t)];
while ((tagp - bh->b_data +sizeof(journal_block_tag_t))
<= journal->j_blocksize) {
- unsigned long io_block;
+ unsigned int io_block;
tag = (journal_block_tag_t *) tagp;
flags = be32_to_cpu(tag->t_flags);
@@ -443,10 +443,10 @@ static int do_one_pass(journal_t *journal,
success = err;
printk (KERN_ERR
"JBD: IO error %d recovering "
- "block %ld in log\n",
+ "block %u in log\n",
err, io_block);
} else {
- unsigned long blocknr;
+ unsigned int blocknr;
J_ASSERT(obh != NULL);
blocknr = be32_to_cpu(tag->t_blocknr);
@@ -581,7 +581,7 @@ static int scan_revoke_records(journal_t *journal, struct buffer_head *bh,
max = be32_to_cpu(header->r_count);
while (offset < max) {
- unsigned long blocknr;
+ unsigned int blocknr;
int err;
blocknr = be32_to_cpu(* ((__be32 *) (bh->b_data+offset)));
diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c
index da6cd9bdaabc..ad717328343a 100644
--- a/fs/jbd/revoke.c
+++ b/fs/jbd/revoke.c
@@ -101,7 +101,7 @@ struct jbd_revoke_record_s
{
struct list_head hash;
tid_t sequence; /* Used for recovery only */
- unsigned long blocknr;
+ unsigned int blocknr;
};
@@ -126,7 +126,7 @@ static void flush_descriptor(journal_t *, struct journal_head *, int, int);
/* Utility functions to maintain the revoke table */
/* Borrowed from buffer.c: this is a tried and tested block hash function */
-static inline int hash(journal_t *journal, unsigned long block)
+static inline int hash(journal_t *journal, unsigned int block)
{
struct jbd_revoke_table_s *table = journal->j_revoke;
int hash_shift = table->hash_shift;
@@ -136,7 +136,7 @@ static inline int hash(journal_t *journal, unsigned long block)
(block << (hash_shift - 12))) & (table->hash_size - 1);
}
-static int insert_revoke_hash(journal_t *journal, unsigned long blocknr,
+static int insert_revoke_hash(journal_t *journal, unsigned int blocknr,
tid_t seq)
{
struct list_head *hash_list;
@@ -166,7 +166,7 @@ oom:
/* Find a revoke record in the journal's hash table. */
static struct jbd_revoke_record_s *find_revoke_record(journal_t *journal,
- unsigned long blocknr)
+ unsigned int blocknr)
{
struct list_head *hash_list;
struct jbd_revoke_record_s *record;
@@ -332,7 +332,7 @@ void journal_destroy_revoke(journal_t *journal)
* by one.
*/
-int journal_revoke(handle_t *handle, unsigned long blocknr,
+int journal_revoke(handle_t *handle, unsigned int blocknr,
struct buffer_head *bh_in)
{
struct buffer_head *bh = NULL;
@@ -401,7 +401,7 @@ int journal_revoke(handle_t *handle, unsigned long blocknr,
}
}
- jbd_debug(2, "insert revoke for block %lu, bh_in=%p\n", blocknr, bh_in);
+ jbd_debug(2, "insert revoke for block %u, bh_in=%p\n", blocknr, bh_in);
err = insert_revoke_hash(journal, blocknr,
handle->h_transaction->t_tid);
BUFFER_TRACE(bh_in, "exit");
@@ -644,7 +644,7 @@ static void flush_descriptor(journal_t *journal,
*/
int journal_set_revoke(journal_t *journal,
- unsigned long blocknr,
+ unsigned int blocknr,
tid_t sequence)
{
struct jbd_revoke_record_s *record;
@@ -668,7 +668,7 @@ int journal_set_revoke(journal_t *journal,
*/
int journal_test_revoke(journal_t *journal,
- unsigned long blocknr,
+ unsigned int blocknr,
tid_t sequence)
{
struct jbd_revoke_record_s *record;
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index c2049a04fa0b..a1187a0c99b4 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -446,7 +446,7 @@ struct transaction_s
/*
* Where in the log does this transaction's commit start? [no locking]
*/
- unsigned long t_log_start;
+ unsigned int t_log_start;
/* Number of buffers on the t_buffers list [j_list_lock] */
int t_nr_buffers;
@@ -701,26 +701,26 @@ struct journal_s
* Journal head: identifies the first unused block in the journal.
* [j_state_lock]
*/
- unsigned long j_head;
+ unsigned int j_head;
/*
* Journal tail: identifies the oldest still-used block in the journal.
* [j_state_lock]
*/
- unsigned long j_tail;
+ unsigned int j_tail;
/*
* Journal free: how many free blocks are there in the journal?
* [j_state_lock]
*/
- unsigned long j_free;
+ unsigned int j_free;
/*
* Journal start and end: the block numbers of the first usable block
* and one beyond the last usable block in the journal. [j_state_lock]
*/
- unsigned long j_first;
- unsigned long j_last;
+ unsigned int j_first;
+ unsigned int j_last;
/*
* Device, blocksize and starting block offset for the location where we
@@ -728,7 +728,7 @@ struct journal_s
*/
struct block_device *j_dev;
int j_blocksize;
- unsigned long j_blk_offset;
+ unsigned int j_blk_offset;
/*
* Device which holds the client fs. For internal journal this will be
@@ -859,7 +859,7 @@ extern void __journal_clean_data_list(transaction_t *transaction);
/* Log buffer allocation */
extern struct journal_head * journal_get_descriptor_buffer(journal_t *);
-int journal_next_log_block(journal_t *, unsigned long *);
+int journal_next_log_block(journal_t *, unsigned int *);
/* Commit management */
extern void journal_commit_transaction(journal_t *);
@@ -874,7 +874,7 @@ extern int
journal_write_metadata_buffer(transaction_t *transaction,
struct journal_head *jh_in,
struct journal_head **jh_out,
- unsigned long blocknr);
+ unsigned int blocknr);
/* Transaction locking */
extern void __wait_on_journal (journal_t *);
@@ -942,7 +942,7 @@ extern void journal_abort (journal_t *, int);
extern int journal_errno (journal_t *);
extern void journal_ack_err (journal_t *);
extern int journal_clear_err (journal_t *);
-extern int journal_bmap(journal_t *, unsigned long, unsigned long *);
+extern int journal_bmap(journal_t *, unsigned int, unsigned int *);
extern int journal_force_commit(journal_t *);
/*
@@ -976,14 +976,14 @@ extern int journal_init_revoke_caches(void);
extern void journal_destroy_revoke(journal_t *);
extern int journal_revoke (handle_t *,
- unsigned long, struct buffer_head *);
+ unsigned int, struct buffer_head *);
extern int journal_cancel_revoke(handle_t *, struct journal_head *);
extern void journal_write_revoke_records(journal_t *,
transaction_t *, int);
/* Recovery revoke support */
-extern int journal_set_revoke(journal_t *, unsigned long, tid_t);
-extern int journal_test_revoke(journal_t *, unsigned long, tid_t);
+extern int journal_set_revoke(journal_t *, unsigned int, tid_t);
+extern int journal_test_revoke(journal_t *, unsigned int, tid_t);
extern void journal_clear_revoke(journal_t *);
extern void journal_switch_revoke_table(journal_t *journal);
--
GitLab
From 3adae9da0b35d2ca908039f42a1e90395c335181 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Tue, 11 Aug 2009 17:27:21 +0200
Subject: [PATCH 553/742] jbd: Annotate transaction start also for
journal_restart()
lockdep annotation for a transaction start has been at the end of
journal_start(). But a transaction is also started from journal_restart(). Move
the lockdep annotation to start_this_handle() which covers both cases.
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/jbd/transaction.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index 833c1675a00c..006f9ad838a2 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -229,6 +229,8 @@ repeat_locked:
__log_space_left(journal));
spin_unlock(&transaction->t_handle_lock);
spin_unlock(&journal->j_state_lock);
+
+ lock_map_acquire(&handle->h_lockdep_map);
out:
if (unlikely(new_transaction)) /* It's usually NULL */
kfree(new_transaction);
@@ -293,9 +295,6 @@ handle_t *journal_start(journal_t *journal, int nblocks)
handle = ERR_PTR(err);
goto out;
}
-
- lock_map_acquire(&handle->h_lockdep_map);
-
out:
return handle;
}
@@ -417,6 +416,7 @@ int journal_restart(handle_t *handle, int nblocks)
__log_start_commit(journal, transaction->t_tid);
spin_unlock(&journal->j_state_lock);
+ lock_map_release(&handle->h_lockdep_map);
handle->h_buffer_credits = nblocks;
ret = start_this_handle(journal, handle);
return ret;
--
GitLab
From 00171d3c7e3b738ba582c7a9b37408e796f49046 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Tue, 11 Aug 2009 19:06:10 +0200
Subject: [PATCH 554/742] ext3: Fix possible deadlock between ext3_truncate()
and ext3_get_blocks()
During truncate we are sometimes forced to start a new transaction as the
amount of blocks to be journaled is both quite large and hard to predict. So
far we restarted a transaction while holding truncate_mutex and that violates
lock ordering because truncate_mutex ranks below transaction start (and it
can lead to a real deadlock with ext3_get_blocks() allocating new blocks
from ext3_writepage()).
Luckily, the problem is easy to fix: We just drop the truncate_mutex before
restarting the transaction and acquire it afterwards. We are safe to do this as
by the time ext3_truncate() is called, all the page cache for the truncated
part of the file is dropped and so writepage() cannot come and allocate new
blocks in the part of the file we are truncating. The rest of writers is
stopped by us holding i_mutex.
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/ext3/inode.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index b49908a167ae..eb0b4e0d517b 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -172,10 +172,21 @@ static int try_to_extend_transaction(handle_t *handle, struct inode *inode)
* so before we call here everything must be consistently dirtied against
* this transaction.
*/
-static int ext3_journal_test_restart(handle_t *handle, struct inode *inode)
+static int truncate_restart_transaction(handle_t *handle, struct inode *inode)
{
+ int ret;
+
jbd_debug(2, "restarting handle %p\n", handle);
- return ext3_journal_restart(handle, blocks_for_truncate(inode));
+ /*
+ * Drop truncate_mutex to avoid deadlock with ext3_get_blocks_handle
+ * At this moment, get_block can be called only for blocks inside
+ * i_size since page cache has been already dropped and writes are
+ * blocked by i_mutex. So we can safely drop the truncate_mutex.
+ */
+ mutex_unlock(&EXT3_I(inode)->truncate_mutex);
+ ret = ext3_journal_restart(handle, blocks_for_truncate(inode));
+ mutex_lock(&EXT3_I(inode)->truncate_mutex);
+ return ret;
}
/*
@@ -2072,7 +2083,7 @@ static void ext3_clear_blocks(handle_t *handle, struct inode *inode,
ext3_journal_dirty_metadata(handle, bh);
}
ext3_mark_inode_dirty(handle, inode);
- ext3_journal_test_restart(handle, inode);
+ truncate_restart_transaction(handle, inode);
if (bh) {
BUFFER_TRACE(bh, "retaking write access");
ext3_journal_get_write_access(handle, bh);
@@ -2282,7 +2293,7 @@ static void ext3_free_branches(handle_t *handle, struct inode *inode,
return;
if (try_to_extend_transaction(handle, inode)) {
ext3_mark_inode_dirty(handle, inode);
- ext3_journal_test_restart(handle, inode);
+ truncate_restart_transaction(handle, inode);
}
ext3_free_blocks(handle, inode, nr, 1);
--
GitLab
From 4f003fd32bc54ec438b8691795279844df27ce38 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Tue, 8 Sep 2009 00:22:14 +0200
Subject: [PATCH 555/742] ext3: Add locking to ext3_do_update_inode
I've been struggling with this off and on while I've been testing the
data=guarded work. The symptom is corrupted orphan lists and inodes
with the wrong i_size stored on disk. I was convinced the
data=guarded code was just missing a call to ext3_mark_inode_dirty, but
tracing showed the i_disksize I was sending to ext3_mark_inode_dirty
wasn't actually making it to the drive.
ext3_mark_inode_dirty can be called without locks held (atime updates
and a few others), so the data=guarded code uses locks while updating
the in-memory inode, and then calls ext3_mark_inode_dirty
without any locks held.
But, ext3_mark_inode_dirty has no internal locking to make sure that
only one CPU is updating the buffer head at a time. Generally this
works out ok because everyone that changes the inode then calls
ext3_mark_inode_dirty themselves. Even though it races, eventually
someone updates the buffer heads and things move on.
But there is still a risk of the wrong values getting in, and the
data=guarded code seems to hit the race very often.
Since everyone that changes the inode also logs it, it should be
possible to fix this with some memory barriers. I'll leave that as an
exercise to the reader and lock the buffer head instead.
It it probably a good idea to have a different patch series for lockless
bit flipping on the ext3 i_state field. ext3_do_update_inode &= clears
EXT3_STATE_NEW without any locks held.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/ext3/inode.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index eb0b4e0d517b..cd098a7b77fc 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -2903,6 +2903,10 @@ static int ext3_do_update_inode(handle_t *handle,
struct buffer_head *bh = iloc->bh;
int err = 0, rc, block;
+again:
+ /* we can't allow multiple procs in here at once, its a bit racey */
+ lock_buffer(bh);
+
/* For fields not not tracking in the in-memory inode,
* initialise them to zero for new inodes. */
if (ei->i_state & EXT3_STATE_NEW)
@@ -2962,16 +2966,20 @@ static int ext3_do_update_inode(handle_t *handle,
/* If this is the first large file
* created, add a flag to the superblock.
*/
+ unlock_buffer(bh);
err = ext3_journal_get_write_access(handle,
EXT3_SB(sb)->s_sbh);
if (err)
goto out_brelse;
+
ext3_update_dynamic_rev(sb);
EXT3_SET_RO_COMPAT_FEATURE(sb,
EXT3_FEATURE_RO_COMPAT_LARGE_FILE);
handle->h_sync = 1;
err = ext3_journal_dirty_metadata(handle,
EXT3_SB(sb)->s_sbh);
+ /* get our lock and start over */
+ goto again;
}
}
}
@@ -2994,6 +3002,7 @@ static int ext3_do_update_inode(handle_t *handle,
raw_inode->i_extra_isize = cpu_to_le16(ei->i_extra_isize);
BUFFER_TRACE(bh, "call ext3_journal_dirty_metadata");
+ unlock_buffer(bh);
rc = ext3_journal_dirty_metadata(handle, bh);
if (!err)
err = rc;
--
GitLab
From 56fcad29d4b3cbcbb2ed47a9d3ceca3f57175417 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Tue, 8 Sep 2009 14:59:42 +0200
Subject: [PATCH 556/742] ext3: Flush disk caches on fsync when needed
In case we fsync() a file and inode is not dirty, we don't force a transaction
to disk and hence don't flush disk caches. Thus file data could be just in disk
caches and not on persistent storage. Fix the problem by flushing disk caches
if we didn't force a transaction commit.
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/ext3/fsync.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index d33634119e17..451d166bbe93 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -23,6 +23,7 @@
*/
#include <linux/time.h>
+#include <linux/blkdev.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/writeback.h>
@@ -73,7 +74,7 @@ int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync)
}
if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
- goto out;
+ goto flush;
/*
* The VFS has written the file data. If the inode is unaltered
@@ -85,7 +86,16 @@ int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync)
.nr_to_write = 0, /* sys_fsync did this */
};
ret = sync_inode(inode, &wbc);
+ goto out;
}
+flush:
+ /*
+ * In case we didn't commit a transaction, we have to flush
+ * disk caches manually so that data really is on persistent
+ * storage
+ */
+ if (test_opt(inode->i_sb, BARRIER))
+ blkdev_issue_flush(inode->i_sb->s_bdev, NULL);
out:
return ret;
}
--
GitLab
From ab8e8df87421574fe053bf1770353af5b24a2bbb Mon Sep 17 00:00:00 2001
From: Muralidharan Karicheri <m-karicheri2@ti.com>
Date: Wed, 16 Sep 2009 11:53:18 -0400
Subject: [PATCH 557/742] davinci: DM644x platform changes for vpfe capture
DM644x platform and board setup
This adds platform and board setup changes required to support
vpfe capture driver on DM644x
Tested video capture on DM6446 with tvp514x driver
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Reviewed-by: David Brownell <david-b@pacbell.net>
Signed-off-by: Muralidharan Karicheri <m-karicheri2@ti.com>
Signed-off-by: Denys Dmytriyenko <denis@denix.org>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm644x-evm.c | 74 ++++++++++++++++++++-
arch/arm/mach-davinci/dm644x.c | 56 ++++++++++++++++
arch/arm/mach-davinci/include/mach/dm644x.h | 2 +
3 files changed, 129 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index 31cf84fbb01a..1213a0087ad4 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -28,6 +28,9 @@
#include <linux/io.h>
#include <linux/phy.h>
#include <linux/clk.h>
+#include <linux/videodev2.h>
+
+#include <media/tvp514x.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -194,6 +197,72 @@ static struct platform_device davinci_fb_device = {
.num_resources = 0,
};
+static struct tvp514x_platform_data tvp5146_pdata = {
+ .clk_polarity = 0,
+ .hs_polarity = 1,
+ .vs_polarity = 1
+};
+
+#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
+/* Inputs available at the TVP5146 */
+static struct v4l2_input tvp5146_inputs[] = {
+ {
+ .index = 0,
+ .name = "Composite",
+ .type = V4L2_INPUT_TYPE_CAMERA,
+ .std = TVP514X_STD_ALL,
+ },
+ {
+ .index = 1,
+ .name = "S-Video",
+ .type = V4L2_INPUT_TYPE_CAMERA,
+ .std = TVP514X_STD_ALL,
+ },
+};
+
+/*
+ * this is the route info for connecting each input to decoder
+ * ouput that goes to vpfe. There is a one to one correspondence
+ * with tvp5146_inputs
+ */
+static struct vpfe_route tvp5146_routes[] = {
+ {
+ .input = INPUT_CVBS_VI2B,
+ .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+ },
+ {
+ .input = INPUT_SVIDEO_VI2C_VI1C,
+ .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+ },
+};
+
+static struct vpfe_subdev_info vpfe_sub_devs[] = {
+ {
+ .name = "tvp5146",
+ .grp_id = 0,
+ .num_inputs = ARRAY_SIZE(tvp5146_inputs),
+ .inputs = tvp5146_inputs,
+ .routes = tvp5146_routes,
+ .can_route = 1,
+ .ccdc_if_params = {
+ .if_type = VPFE_BT656,
+ .hdpol = VPFE_PINPOL_POSITIVE,
+ .vdpol = VPFE_PINPOL_POSITIVE,
+ },
+ .board_info = {
+ I2C_BOARD_INFO("tvp5146", 0x5d),
+ .platform_data = &tvp5146_pdata,
+ },
+ },
+};
+
+static struct vpfe_config vpfe_cfg = {
+ .num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
+ .sub_devs = vpfe_sub_devs,
+ .card_name = "DM6446 EVM",
+ .ccdc = "DM6446 CCDC",
+};
+
static struct platform_device rtc_dev = {
.name = "rtc_davinci_evm",
.id = -1,
@@ -562,9 +631,6 @@ static struct i2c_board_info __initdata i2c_info[] = {
{
I2C_BOARD_INFO("tlv320aic33", 0x1b),
},
- /* ALSO:
- * - tvp5146 video decoder (0x5d)
- */
};
/* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz),
@@ -594,6 +660,8 @@ static struct davinci_uart_config uart_config __initdata = {
static void __init
davinci_evm_map_io(void)
{
+ /* setup input configuration for VPFE input devices */
+ dm644x_set_vpfe_config(&vpfe_cfg);
dm644x_init();
}
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index e554aa6c9a84..d6e0fa5a8d8a 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -580,6 +580,59 @@ static struct platform_device dm644x_asp_device = {
.resource = dm644x_asp_resources,
};
+static struct resource dm644x_vpss_resources[] = {
+ {
+ /* VPSS Base address */
+ .name = "vpss",
+ .start = 0x01c73400,
+ .end = 0x01c73400 + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device dm644x_vpss_device = {
+ .name = "vpss",
+ .id = -1,
+ .dev.platform_data = "dm644x_vpss",
+ .num_resources = ARRAY_SIZE(dm644x_vpss_resources),
+ .resource = dm644x_vpss_resources,
+};
+
+static struct resource vpfe_resources[] = {
+ {
+ .start = IRQ_VDINT0,
+ .end = IRQ_VDINT0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_VDINT1,
+ .end = IRQ_VDINT1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = 0x01c70400,
+ .end = 0x01c70400 + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
+static struct platform_device vpfe_capture_dev = {
+ .name = CAPTURE_DRV_NAME,
+ .id = -1,
+ .num_resources = ARRAY_SIZE(vpfe_resources),
+ .resource = vpfe_resources,
+ .dev = {
+ .dma_mask = &vpfe_capture_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void dm644x_set_vpfe_config(struct vpfe_config *cfg)
+{
+ vpfe_capture_dev.dev.platform_data = cfg;
+}
+
/*----------------------------------------------------------------------*/
static struct map_desc dm644x_io_desc[] = {
@@ -715,6 +768,9 @@ static int __init dm644x_init_devices(void)
platform_device_register(&dm644x_edma_device);
platform_device_register(&dm644x_emac_device);
+ platform_device_register(&dm644x_vpss_device);
+ platform_device_register(&vpfe_capture_dev);
+
return 0;
}
postcore_initcall(dm644x_init_devices);
diff --git a/arch/arm/mach-davinci/include/mach/dm644x.h b/arch/arm/mach-davinci/include/mach/dm644x.h
index 8b157ceec0ca..0efb73852c2c 100644
--- a/arch/arm/mach-davinci/include/mach/dm644x.h
+++ b/arch/arm/mach-davinci/include/mach/dm644x.h
@@ -26,6 +26,7 @@
#include <mach/hardware.h>
#include <mach/emac.h>
#include <mach/asp.h>
+#include <media/davinci/vpfe_capture.h>
#define DM644X_EMAC_BASE (0x01C80000)
#define DM644X_EMAC_CNTRL_OFFSET (0x0000)
@@ -36,5 +37,6 @@
void __init dm644x_init(void);
void __init dm644x_init_asp(struct snd_platform_data *pdata);
+void dm644x_set_vpfe_config(struct vpfe_config *cfg);
#endif /* __ASM_ARCH_DM644X_H */
--
GitLab
From 51e68e27d310034332b67a6762914af9589b3db5 Mon Sep 17 00:00:00 2001
From: Muralidharan Karicheri <m-karicheri2@ti.com>
Date: Wed, 16 Sep 2009 12:02:50 -0400
Subject: [PATCH 558/742] davinci: DM355 - platform changes for vpfe capture
DM355 platform and board setup
This has platform and board setup changes to support vpfe capture
driver for DM355 EVMs.
Tested video capture on DM355 using tvp514x
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Reviewed-by: David Brownell <david-b@pacbell.net>
Signed-off-by: Muralidharan Karicheri <m-karicheri2@ti.com>
Signed-off-by: Denys Dmytriyenko <denis@denix.org>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm355-evm.c | 76 +++++++++++++++++++-
arch/arm/mach-davinci/dm355.c | 83 ++++++++++++++++++++++
arch/arm/mach-davinci/include/mach/dm355.h | 2 +
arch/arm/mach-davinci/include/mach/mux.h | 9 +++
4 files changed, 167 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index 9f25fd8ca4a9..77e806798822 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -20,6 +20,8 @@
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/clk.h>
+#include <linux/videodev2.h>
+#include <media/tvp514x.h>
#include <linux/spi/spi.h>
#include <linux/spi/eeprom.h>
@@ -136,11 +138,11 @@ static void dm355evm_mmcsd_gpios(unsigned gpio)
}
static struct i2c_board_info dm355evm_i2c_info[] = {
- { I2C_BOARD_INFO("dm355evm_msp", 0x25),
+ { I2C_BOARD_INFO("dm355evm_msp", 0x25),
.platform_data = dm355evm_mmcsd_gpios,
- /* plus irq */ },
+ },
+ /* { plus irq }, */
{ I2C_BOARD_INFO("tlv320aic33", 0x1b), },
- /* { I2C_BOARD_INFO("tvp5146", 0x5d), }, */
};
static void __init evm_init_i2c(void)
@@ -179,6 +181,72 @@ static struct platform_device dm355evm_dm9000 = {
.num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc),
};
+static struct tvp514x_platform_data tvp5146_pdata = {
+ .clk_polarity = 0,
+ .hs_polarity = 1,
+ .vs_polarity = 1
+};
+
+#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
+/* Inputs available at the TVP5146 */
+static struct v4l2_input tvp5146_inputs[] = {
+ {
+ .index = 0,
+ .name = "Composite",
+ .type = V4L2_INPUT_TYPE_CAMERA,
+ .std = TVP514X_STD_ALL,
+ },
+ {
+ .index = 1,
+ .name = "S-Video",
+ .type = V4L2_INPUT_TYPE_CAMERA,
+ .std = TVP514X_STD_ALL,
+ },
+};
+
+/*
+ * this is the route info for connecting each input to decoder
+ * ouput that goes to vpfe. There is a one to one correspondence
+ * with tvp5146_inputs
+ */
+static struct vpfe_route tvp5146_routes[] = {
+ {
+ .input = INPUT_CVBS_VI2B,
+ .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+ },
+ {
+ .input = INPUT_SVIDEO_VI2C_VI1C,
+ .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+ },
+};
+
+static struct vpfe_subdev_info vpfe_sub_devs[] = {
+ {
+ .name = "tvp5146",
+ .grp_id = 0,
+ .num_inputs = ARRAY_SIZE(tvp5146_inputs),
+ .inputs = tvp5146_inputs,
+ .routes = tvp5146_routes,
+ .can_route = 1,
+ .ccdc_if_params = {
+ .if_type = VPFE_BT656,
+ .hdpol = VPFE_PINPOL_POSITIVE,
+ .vdpol = VPFE_PINPOL_POSITIVE,
+ },
+ .board_info = {
+ I2C_BOARD_INFO("tvp5146", 0x5d),
+ .platform_data = &tvp5146_pdata,
+ },
+ }
+};
+
+static struct vpfe_config vpfe_cfg = {
+ .num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
+ .sub_devs = vpfe_sub_devs,
+ .card_name = "DM355 EVM",
+ .ccdc = "DM355 CCDC",
+};
+
static struct platform_device *davinci_evm_devices[] __initdata = {
&dm355evm_dm9000,
&davinci_nand_device,
@@ -190,6 +258,8 @@ static struct davinci_uart_config uart_config __initdata = {
static void __init dm355_evm_map_io(void)
{
+ /* setup input configuration for VPFE input devices */
+ dm355_set_vpfe_config(&vpfe_cfg);
dm355_init();
}
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 4f42169c029c..059670018aff 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -488,6 +488,14 @@ MUX_CFG(DM355, VOUT_FIELD_G70, 1, 18, 3, 0, false)
MUX_CFG(DM355, VOUT_HVSYNC, 1, 16, 1, 0, false)
MUX_CFG(DM355, VOUT_COUTL_EN, 1, 0, 0xff, 0x55, false)
MUX_CFG(DM355, VOUT_COUTH_EN, 1, 8, 0xff, 0x55, false)
+
+MUX_CFG(DM355, VIN_PCLK, 0, 14, 1, 1, false)
+MUX_CFG(DM355, VIN_CAM_WEN, 0, 13, 1, 1, false)
+MUX_CFG(DM355, VIN_CAM_VD, 0, 12, 1, 1, false)
+MUX_CFG(DM355, VIN_CAM_HD, 0, 11, 1, 1, false)
+MUX_CFG(DM355, VIN_YIN_EN, 0, 10, 1, 1, false)
+MUX_CFG(DM355, VIN_CINL_EN, 0, 0, 0xff, 0x55, false)
+MUX_CFG(DM355, VIN_CINH_EN, 0, 8, 3, 3, false)
#endif
};
@@ -659,6 +667,67 @@ static struct platform_device dm355_asp1_device = {
.resource = dm355_asp1_resources,
};
+static struct resource dm355_vpss_resources[] = {
+ {
+ /* VPSS BL Base address */
+ .name = "vpss",
+ .start = 0x01c70800,
+ .end = 0x01c70800 + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ /* VPSS CLK Base address */
+ .name = "vpss",
+ .start = 0x01c70000,
+ .end = 0x01c70000 + 0xf,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device dm355_vpss_device = {
+ .name = "vpss",
+ .id = -1,
+ .dev.platform_data = "dm355_vpss",
+ .num_resources = ARRAY_SIZE(dm355_vpss_resources),
+ .resource = dm355_vpss_resources,
+};
+
+static struct resource vpfe_resources[] = {
+ {
+ .start = IRQ_VDINT0,
+ .end = IRQ_VDINT0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_VDINT1,
+ .end = IRQ_VDINT1,
+ .flags = IORESOURCE_IRQ,
+ },
+ /* CCDC Base address */
+ {
+ .flags = IORESOURCE_MEM,
+ .start = 0x01c70600,
+ .end = 0x01c70600 + 0x1ff,
+ },
+};
+
+static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
+static struct platform_device vpfe_capture_dev = {
+ .name = CAPTURE_DRV_NAME,
+ .id = -1,
+ .num_resources = ARRAY_SIZE(vpfe_resources),
+ .resource = vpfe_resources,
+ .dev = {
+ .dma_mask = &vpfe_capture_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+void dm355_set_vpfe_config(struct vpfe_config *cfg)
+{
+ vpfe_capture_dev.dev.platform_data = cfg;
+}
+
/*----------------------------------------------------------------------*/
static struct map_desc dm355_io_desc[] = {
@@ -792,6 +861,20 @@ static int __init dm355_init_devices(void)
davinci_cfg_reg(DM355_INT_EDMA_CC);
platform_device_register(&dm355_edma_device);
+ platform_device_register(&dm355_vpss_device);
+ /*
+ * setup Mux configuration for vpfe input and register
+ * vpfe capture platform device
+ */
+ davinci_cfg_reg(DM355_VIN_PCLK);
+ davinci_cfg_reg(DM355_VIN_CAM_WEN);
+ davinci_cfg_reg(DM355_VIN_CAM_VD);
+ davinci_cfg_reg(DM355_VIN_CAM_HD);
+ davinci_cfg_reg(DM355_VIN_YIN_EN);
+ davinci_cfg_reg(DM355_VIN_CINL_EN);
+ davinci_cfg_reg(DM355_VIN_CINH_EN);
+ platform_device_register(&vpfe_capture_dev);
+
return 0;
}
postcore_initcall(dm355_init_devices);
diff --git a/arch/arm/mach-davinci/include/mach/dm355.h b/arch/arm/mach-davinci/include/mach/dm355.h
index 03faaef95a9a..85536d8e8336 100644
--- a/arch/arm/mach-davinci/include/mach/dm355.h
+++ b/arch/arm/mach-davinci/include/mach/dm355.h
@@ -13,6 +13,7 @@
#include <mach/hardware.h>
#include <mach/asp.h>
+#include <media/davinci/vpfe_capture.h>
#define ASP1_TX_EVT_EN 1
#define ASP1_RX_EVT_EN 2
@@ -23,5 +24,6 @@ void __init dm355_init(void);
void dm355_init_spi0(unsigned chipselect_mask,
struct spi_board_info *info, unsigned len);
void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata);
+void dm355_set_vpfe_config(struct vpfe_config *cfg);
#endif /* __ASM_ARCH_DM355_H */
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index 773283281be8..bb84893a4e83 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -161,6 +161,15 @@ enum davinci_dm355_index {
DM355_VOUT_HVSYNC,
DM355_VOUT_COUTL_EN,
DM355_VOUT_COUTH_EN,
+
+ /* Video In Pin Mux */
+ DM355_VIN_PCLK,
+ DM355_VIN_CAM_WEN,
+ DM355_VIN_CAM_VD,
+ DM355_VIN_CAM_HD,
+ DM355_VIN_YIN_EN,
+ DM355_VIN_CINL_EN,
+ DM355_VIN_CINH_EN,
};
enum davinci_dm365_index {
--
GitLab
From 85609c1ccda64af7d7c277469183f20e4f3b69c3 Mon Sep 17 00:00:00 2001
From: Muralidharan Karicheri <m-karicheri2@ti.com>
Date: Wed, 16 Sep 2009 13:15:30 -0400
Subject: [PATCH 559/742] DaVinci: DM646x - platform changes for vpif capture
and display drivers
VPIF display changes (Chaithrika)
Add platform device and resource structures. Also define a platform specific
clock setup function that can be accessed by the driver to configure the clock
and CPLD.
VPIF caputure changes (Murali)
1) Modify vpif_subdev_info to add board_info, routing information and
vpif interface configuration. Remove addr since it is part of
board_info
2) Add code to setup channel mode and input decoder path for vpif
capture driver
Also incorporated comments against version v0 of the patch series and
added a spinlock to protect writes to common registers
Tested on DM6467 on channel 0 using TVP514x. Following bootargs used
for drivers:
vpif_capture.ch0_bufsize=829440 vpif_display.ch2_bufsize=829440
Signed-off-by: Manjunath Hadli <mrh@ti.com>
Signed-off-by: Brijesh Jadav <brijesh.j@ti.com>
Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Muralidharan Karicheri <m-karicheri2@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
---
arch/arm/mach-davinci/board-dm646x-evm.c | 319 +++++++++++++++++++-
arch/arm/mach-davinci/dm646x.c | 104 +++++++
arch/arm/mach-davinci/include/mach/dm646x.h | 59 ++++
3 files changed, 481 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 20547049b489..24e0e13b1492 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -34,6 +34,8 @@
#include <linux/i2c/pcf857x.h>
#include <linux/etherdevice.h>
+#include <media/tvp514x.h>
+
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -62,6 +64,30 @@
#define DM646X_EVM_PHY_MASK (0x2)
#define DM646X_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
+#define VIDCLKCTL_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x38)
+#define VSCLKDIS_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x6c)
+#define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
+#define VCH2CLK_SYSCLK8 (BIT(9))
+#define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
+#define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
+#define VCH3CLK_SYSCLK8 (BIT(13))
+#define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
+
+#define VIDCH2CLK (BIT(10))
+#define VIDCH3CLK (BIT(11))
+#define VIDCH1CLK (BIT(4))
+#define TVP7002_INPUT (BIT(4))
+#define TVP5147_INPUT (~BIT(4))
+#define VPIF_INPUT_ONE_CHANNEL (BIT(5))
+#define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
+#define TVP5147_CH0 "tvp514x-0"
+#define TVP5147_CH1 "tvp514x-1"
+
+static void __iomem *vpif_vidclkctl_reg;
+static void __iomem *vpif_vsclkdis_reg;
+/* spin lock for updating above registers */
+static spinlock_t vpif_reg_lock;
+
static struct davinci_uart_config uart_config __initdata = {
.enabled_uarts = (1 << 0),
};
@@ -287,6 +313,40 @@ static struct snd_platform_data dm646x_evm_snd_data[] = {
},
};
+static struct i2c_client *cpld_client;
+
+static int cpld_video_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ cpld_client = client;
+ return 0;
+}
+
+static int __devexit cpld_video_remove(struct i2c_client *client)
+{
+ cpld_client = NULL;
+ return 0;
+}
+
+static const struct i2c_device_id cpld_video_id[] = {
+ { "cpld_video", 0 },
+ { }
+};
+
+static struct i2c_driver cpld_video_driver = {
+ .driver = {
+ .name = "cpld_video",
+ },
+ .probe = cpld_video_probe,
+ .remove = cpld_video_remove,
+ .id_table = cpld_video_id,
+};
+
+static void evm_init_cpld(void)
+{
+ i2c_add_driver(&cpld_video_driver);
+}
+
static struct i2c_board_info __initdata i2c_info[] = {
{
I2C_BOARD_INFO("24c256", 0x50),
@@ -301,7 +361,10 @@ static struct i2c_board_info __initdata i2c_info[] = {
},
{
I2C_BOARD_INFO("tlv320aic33", 0x18),
- }
+ },
+ {
+ I2C_BOARD_INFO("cpld_video", 0x3b),
+ },
};
static struct davinci_i2c_platform_data i2c_pdata = {
@@ -309,11 +372,265 @@ static struct davinci_i2c_platform_data i2c_pdata = {
.bus_delay = 0 /* usec */,
};
+static int set_vpif_clock(int mux_mode, int hd)
+{
+ unsigned long flags;
+ unsigned int value;
+ int val = 0;
+ int err = 0;
+
+ if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg || !cpld_client)
+ return -ENXIO;
+
+ /* disable the clock */
+ spin_lock_irqsave(&vpif_reg_lock, flags);
+ value = __raw_readl(vpif_vsclkdis_reg);
+ value |= (VIDCH3CLK | VIDCH2CLK);
+ __raw_writel(value, vpif_vsclkdis_reg);
+ spin_unlock_irqrestore(&vpif_reg_lock, flags);
+
+ val = i2c_smbus_read_byte(cpld_client);
+ if (val < 0)
+ return val;
+
+ if (mux_mode == 1)
+ val &= ~0x40;
+ else
+ val |= 0x40;
+
+ err = i2c_smbus_write_byte(cpld_client, val);
+ if (err)
+ return err;
+
+ value = __raw_readl(vpif_vidclkctl_reg);
+ value &= ~(VCH2CLK_MASK);
+ value &= ~(VCH3CLK_MASK);
+
+ if (hd >= 1)
+ value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
+ else
+ value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
+
+ __raw_writel(value, vpif_vidclkctl_reg);
+
+ spin_lock_irqsave(&vpif_reg_lock, flags);
+ value = __raw_readl(vpif_vsclkdis_reg);
+ /* enable the clock */
+ value &= ~(VIDCH3CLK | VIDCH2CLK);
+ __raw_writel(value, vpif_vsclkdis_reg);
+ spin_unlock_irqrestore(&vpif_reg_lock, flags);
+
+ return 0;
+}
+
+static struct vpif_subdev_info dm646x_vpif_subdev[] = {
+ {
+ .name = "adv7343",
+ .board_info = {
+ I2C_BOARD_INFO("adv7343", 0x2a),
+ },
+ },
+ {
+ .name = "ths7303",
+ .board_info = {
+ I2C_BOARD_INFO("ths7303", 0x2c),
+ },
+ },
+};
+
+static const char *output[] = {
+ "Composite",
+ "Component",
+ "S-Video",
+};
+
+static struct vpif_display_config dm646x_vpif_display_config = {
+ .set_clock = set_vpif_clock,
+ .subdevinfo = dm646x_vpif_subdev,
+ .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev),
+ .output = output,
+ .output_count = ARRAY_SIZE(output),
+ .card_name = "DM646x EVM",
+};
+
+/**
+ * setup_vpif_input_path()
+ * @channel: channel id (0 - CH0, 1 - CH1)
+ * @sub_dev_name: ptr sub device name
+ *
+ * This will set vpif input to capture data from tvp514x or
+ * tvp7002.
+ */
+static int setup_vpif_input_path(int channel, const char *sub_dev_name)
+{
+ int err = 0;
+ int val;
+
+ /* for channel 1, we don't do anything */
+ if (channel != 0)
+ return 0;
+
+ if (!cpld_client)
+ return -ENXIO;
+
+ val = i2c_smbus_read_byte(cpld_client);
+ if (val < 0)
+ return val;
+
+ if (!strcmp(sub_dev_name, TVP5147_CH0) ||
+ !strcmp(sub_dev_name, TVP5147_CH1))
+ val &= TVP5147_INPUT;
+ else
+ val |= TVP7002_INPUT;
+
+ err = i2c_smbus_write_byte(cpld_client, val);
+ if (err)
+ return err;
+ return 0;
+}
+
+/**
+ * setup_vpif_input_channel_mode()
+ * @mux_mode: mux mode. 0 - 1 channel or (1) - 2 channel
+ *
+ * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
+ */
+static int setup_vpif_input_channel_mode(int mux_mode)
+{
+ unsigned long flags;
+ int err = 0;
+ int val;
+ u32 value;
+
+ if (!vpif_vsclkdis_reg || !cpld_client)
+ return -ENXIO;
+
+ val = i2c_smbus_read_byte(cpld_client);
+ if (val < 0)
+ return val;
+
+ spin_lock_irqsave(&vpif_reg_lock, flags);
+ value = __raw_readl(vpif_vsclkdis_reg);
+ if (mux_mode) {
+ val &= VPIF_INPUT_TWO_CHANNEL;
+ value |= VIDCH1CLK;
+ } else {
+ val |= VPIF_INPUT_ONE_CHANNEL;
+ value &= ~VIDCH1CLK;
+ }
+ __raw_writel(value, vpif_vsclkdis_reg);
+ spin_unlock_irqrestore(&vpif_reg_lock, flags);
+
+ err = i2c_smbus_write_byte(cpld_client, val);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static struct tvp514x_platform_data tvp5146_pdata = {
+ .clk_polarity = 0,
+ .hs_polarity = 1,
+ .vs_polarity = 1
+};
+
+#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
+
+static struct vpif_subdev_info vpif_capture_sdev_info[] = {
+ {
+ .name = TVP5147_CH0,
+ .board_info = {
+ I2C_BOARD_INFO("tvp5146", 0x5d),
+ .platform_data = &tvp5146_pdata,
+ },
+ .input = INPUT_CVBS_VI2B,
+ .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+ .can_route = 1,
+ .vpif_if = {
+ .if_type = VPIF_IF_BT656,
+ .hd_pol = 1,
+ .vd_pol = 1,
+ .fid_pol = 0,
+ },
+ },
+ {
+ .name = TVP5147_CH1,
+ .board_info = {
+ I2C_BOARD_INFO("tvp5146", 0x5c),
+ .platform_data = &tvp5146_pdata,
+ },
+ .input = INPUT_SVIDEO_VI2C_VI1C,
+ .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+ .can_route = 1,
+ .vpif_if = {
+ .if_type = VPIF_IF_BT656,
+ .hd_pol = 1,
+ .vd_pol = 1,
+ .fid_pol = 0,
+ },
+ },
+};
+
+static const struct vpif_input dm6467_ch0_inputs[] = {
+ {
+ .input = {
+ .index = 0,
+ .name = "Composite",
+ .type = V4L2_INPUT_TYPE_CAMERA,
+ .std = TVP514X_STD_ALL,
+ },
+ .subdev_name = TVP5147_CH0,
+ },
+};
+
+static const struct vpif_input dm6467_ch1_inputs[] = {
+ {
+ .input = {
+ .index = 0,
+ .name = "S-Video",
+ .type = V4L2_INPUT_TYPE_CAMERA,
+ .std = TVP514X_STD_ALL,
+ },
+ .subdev_name = TVP5147_CH1,
+ },
+};
+
+static struct vpif_capture_config dm646x_vpif_capture_cfg = {
+ .setup_input_path = setup_vpif_input_path,
+ .setup_input_channel_mode = setup_vpif_input_channel_mode,
+ .subdev_info = vpif_capture_sdev_info,
+ .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
+ .chan_config[0] = {
+ .inputs = dm6467_ch0_inputs,
+ .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
+ },
+ .chan_config[1] = {
+ .inputs = dm6467_ch1_inputs,
+ .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
+ },
+};
+
+static void __init evm_init_video(void)
+{
+ vpif_vidclkctl_reg = ioremap(VIDCLKCTL_OFFSET, 4);
+ vpif_vsclkdis_reg = ioremap(VSCLKDIS_OFFSET, 4);
+ if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg) {
+ pr_err("Can't map VPIF VIDCLKCTL or VSCLKDIS registers\n");
+ return;
+ }
+ spin_lock_init(&vpif_reg_lock);
+
+ dm646x_setup_vpif(&dm646x_vpif_display_config,
+ &dm646x_vpif_capture_cfg);
+}
+
static void __init evm_init_i2c(void)
{
davinci_init_i2c(&i2c_pdata);
i2c_add_driver(&dm6467evm_cpld_driver);
i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
+ evm_init_cpld();
+ evm_init_video();
}
static void __init davinci_map_io(void)
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 8fa28039f27e..0976049c7b3b 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -32,6 +32,15 @@
#include "clock.h"
#include "mux.h"
+#define DAVINCI_VPIF_BASE (0x01C12000)
+#define VDD3P3V_PWDN_OFFSET (0x48)
+#define VSCLKDIS_OFFSET (0x6C)
+
+#define VDD3P3V_VID_MASK (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\
+ BIT_MASK(0))
+#define VSCLKDIS_MASK (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\
+ BIT_MASK(8))
+
/*
* Device specific clocks
*/
@@ -686,6 +695,75 @@ static struct platform_device dm646x_dit_device = {
.id = -1,
};
+static u64 vpif_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource vpif_resource[] = {
+ {
+ .start = DAVINCI_VPIF_BASE,
+ .end = DAVINCI_VPIF_BASE + 0x03ff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device vpif_dev = {
+ .name = "vpif",
+ .id = -1,
+ .dev = {
+ .dma_mask = &vpif_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = vpif_resource,
+ .num_resources = ARRAY_SIZE(vpif_resource),
+};
+
+static struct resource vpif_display_resource[] = {
+ {
+ .start = IRQ_DM646X_VP_VERTINT2,
+ .end = IRQ_DM646X_VP_VERTINT2,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM646X_VP_VERTINT3,
+ .end = IRQ_DM646X_VP_VERTINT3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device vpif_display_dev = {
+ .name = "vpif_display",
+ .id = -1,
+ .dev = {
+ .dma_mask = &vpif_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = vpif_display_resource,
+ .num_resources = ARRAY_SIZE(vpif_display_resource),
+};
+
+static struct resource vpif_capture_resource[] = {
+ {
+ .start = IRQ_DM646X_VP_VERTINT0,
+ .end = IRQ_DM646X_VP_VERTINT0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DM646X_VP_VERTINT1,
+ .end = IRQ_DM646X_VP_VERTINT1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device vpif_capture_dev = {
+ .name = "vpif_capture",
+ .id = -1,
+ .dev = {
+ .dma_mask = &vpif_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = vpif_capture_resource,
+ .num_resources = ARRAY_SIZE(vpif_capture_resource),
+};
+
/*----------------------------------------------------------------------*/
static struct map_desc dm646x_io_desc[] = {
@@ -814,6 +892,32 @@ void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
platform_device_register(&dm646x_dit_device);
}
+void dm646x_setup_vpif(struct vpif_display_config *display_config,
+ struct vpif_capture_config *capture_config)
+{
+ unsigned int value;
+ void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
+
+ value = __raw_readl(base + VSCLKDIS_OFFSET);
+ value &= ~VSCLKDIS_MASK;
+ __raw_writel(value, base + VSCLKDIS_OFFSET);
+
+ value = __raw_readl(base + VDD3P3V_PWDN_OFFSET);
+ value &= ~VDD3P3V_VID_MASK;
+ __raw_writel(value, base + VDD3P3V_PWDN_OFFSET);
+
+ davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
+ davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
+ davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
+ davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
+
+ vpif_display_dev.dev.platform_data = display_config;
+ vpif_capture_dev.dev.platform_data = capture_config;
+ platform_device_register(&vpif_dev);
+ platform_device_register(&vpif_display_dev);
+ platform_device_register(&vpif_capture_dev);
+}
+
void __init dm646x_init(void)
{
davinci_common_init(&davinci_soc_info_dm646x);
diff --git a/arch/arm/mach-davinci/include/mach/dm646x.h b/arch/arm/mach-davinci/include/mach/dm646x.h
index feb1e02cdbd8..8cec746ae9d2 100644
--- a/arch/arm/mach-davinci/include/mach/dm646x.h
+++ b/arch/arm/mach-davinci/include/mach/dm646x.h
@@ -14,6 +14,8 @@
#include <mach/hardware.h>
#include <mach/emac.h>
#include <mach/asp.h>
+#include <linux/i2c.h>
+#include <linux/videodev2.h>
#define DM646X_EMAC_BASE (0x01C80000)
#define DM646X_EMAC_CNTRL_OFFSET (0x0000)
@@ -29,4 +31,61 @@ void __init dm646x_init_ide(void);
void __init dm646x_init_mcasp0(struct snd_platform_data *pdata);
void __init dm646x_init_mcasp1(struct snd_platform_data *pdata);
+void dm646x_video_init(void);
+
+enum vpif_if_type {
+ VPIF_IF_BT656,
+ VPIF_IF_BT1120,
+ VPIF_IF_RAW_BAYER
+};
+
+struct vpif_interface {
+ enum vpif_if_type if_type;
+ unsigned hd_pol:1;
+ unsigned vd_pol:1;
+ unsigned fid_pol:1;
+};
+
+struct vpif_subdev_info {
+ const char *name;
+ struct i2c_board_info board_info;
+ u32 input;
+ u32 output;
+ unsigned can_route:1;
+ struct vpif_interface vpif_if;
+};
+
+struct vpif_display_config {
+ int (*set_clock)(int, int);
+ struct vpif_subdev_info *subdevinfo;
+ int subdev_count;
+ const char **output;
+ int output_count;
+ const char *card_name;
+};
+
+struct vpif_input {
+ struct v4l2_input input;
+ const char *subdev_name;
+};
+
+#define VPIF_CAPTURE_MAX_CHANNELS 2
+
+struct vpif_capture_chan_config {
+ const struct vpif_input *inputs;
+ int input_count;
+};
+
+struct vpif_capture_config {
+ int (*setup_input_channel_mode)(int);
+ int (*setup_input_path)(int, const char *);
+ struct vpif_capture_chan_config chan_config[VPIF_CAPTURE_MAX_CHANNELS];
+ struct vpif_subdev_info *subdev_info;
+ int subdev_count;
+ const char *card_name;
+};
+
+void dm646x_setup_vpif(struct vpif_display_config *,
+ struct vpif_capture_config *);
+
#endif /* __ASM_ARCH_DM646X_H */
--
GitLab
From e8505970af46658ece2545e9bc1fe594998fdcdf Mon Sep 17 00:00:00 2001
From: Akira Fujita <a-fujita@rs.jp.nec.com>
Date: Wed, 16 Sep 2009 13:46:38 -0400
Subject: [PATCH 560/742] ext4: Replace get_ext_path macro with an inline
funciton
Replace get_ext_path macro with an inline function,
since this macro looks like a function call but its arguments
get modified. Ted pointed this out, thanks.
Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/move_extent.c | 55 ++++++++++++++++++++++++++-----------------
1 file changed, 34 insertions(+), 21 deletions(-)
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 4c4491cef357..e4bd8761498a 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -19,14 +19,29 @@
#include "ext4_extents.h"
#include "ext4.h"
-#define get_ext_path(path, inode, block, ret) \
- do { \
- path = ext4_ext_find_extent(inode, block, path); \
- if (IS_ERR(path)) { \
- ret = PTR_ERR(path); \
- path = NULL; \
- } \
- } while (0)
+/**
+ * get_ext_path - Find an extent path for designated logical block number.
+ *
+ * @inode: an inode which is searched
+ * @lblock: logical block number to find an extent path
+ * @path: pointer to an extent path pointer (for output)
+ *
+ * ext4_ext_find_extent wrapper. Return 0 on success, or a negative error value
+ * on failure.
+ */
+static inline int
+get_ext_path(struct inode *inode, ext4_lblk_t lblock,
+ struct ext4_ext_path **path)
+{
+ int ret = 0;
+
+ *path = ext4_ext_find_extent(inode, lblock, *path);
+ if (IS_ERR(*path)) {
+ ret = PTR_ERR(*path);
+ *path = NULL;
+ }
+ return ret;
+}
/**
* copy_extent_status - Copy the extent's initialization status
@@ -283,7 +298,7 @@ mext_insert_across_blocks(handle_t *handle, struct inode *orig_inode,
}
if (new_flag) {
- get_ext_path(orig_path, orig_inode, eblock, err);
+ err = get_ext_path(orig_inode, eblock, &orig_path);
if (orig_path == NULL)
goto out;
@@ -293,8 +308,8 @@ mext_insert_across_blocks(handle_t *handle, struct inode *orig_inode,
}
if (end_flag) {
- get_ext_path(orig_path, orig_inode,
- le32_to_cpu(end_ext->ee_block) - 1, err);
+ err = get_ext_path(orig_inode,
+ le32_to_cpu(end_ext->ee_block) - 1, &orig_path);
if (orig_path == NULL)
goto out;
@@ -631,12 +646,12 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
mext_double_down_write(orig_inode, donor_inode);
/* Get the original extent for the block "orig_off" */
- get_ext_path(orig_path, orig_inode, orig_off, err);
+ err = get_ext_path(orig_inode, orig_off, &orig_path);
if (orig_path == NULL)
goto out;
/* Get the donor extent for the head */
- get_ext_path(donor_path, donor_inode, donor_off, err);
+ err = get_ext_path(donor_inode, donor_off, &donor_path);
if (donor_path == NULL)
goto out;
depth = ext_depth(orig_inode);
@@ -678,7 +693,7 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
if (orig_path)
ext4_ext_drop_refs(orig_path);
- get_ext_path(orig_path, orig_inode, orig_off, err);
+ err = get_ext_path(orig_inode, orig_off, &orig_path);
if (orig_path == NULL)
goto out;
depth = ext_depth(orig_inode);
@@ -692,8 +707,7 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
if (donor_path)
ext4_ext_drop_refs(donor_path);
- get_ext_path(donor_path, donor_inode,
- donor_off, err);
+ err = get_ext_path(donor_inode, donor_off, &donor_path);
if (donor_path == NULL)
goto out;
depth = ext_depth(donor_inode);
@@ -1154,12 +1168,12 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
if (file_end < block_end)
len -= block_end - file_end;
- get_ext_path(orig_path, orig_inode, block_start, ret);
+ ret = get_ext_path(orig_inode, block_start, &orig_path);
if (orig_path == NULL)
goto out2;
/* Get path structure to check the hole */
- get_ext_path(holecheck_path, orig_inode, block_start, ret);
+ ret = get_ext_path(orig_inode, block_start, &holecheck_path);
if (holecheck_path == NULL)
goto out;
@@ -1289,8 +1303,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
/* Decrease buffer counter */
if (holecheck_path)
ext4_ext_drop_refs(holecheck_path);
- get_ext_path(holecheck_path, orig_inode,
- seq_start, ret);
+ ret = get_ext_path(orig_inode, seq_start, &holecheck_path);
if (holecheck_path == NULL)
break;
depth = holecheck_path->p_depth;
@@ -1298,7 +1311,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
/* Decrease buffer counter */
if (orig_path)
ext4_ext_drop_refs(orig_path);
- get_ext_path(orig_path, orig_inode, seq_start, ret);
+ ret = get_ext_path(orig_inode, seq_start, &orig_path);
if (orig_path == NULL)
break;
--
GitLab
From 2147b1a6a48e28399120ca51d4a91840a278611f Mon Sep 17 00:00:00 2001
From: Akira Fujita <a-fujita@rs.jp.nec.com>
Date: Wed, 16 Sep 2009 13:46:35 -0400
Subject: [PATCH 561/742] ext4: Replace BUG_ON() with ext4_error() in
move_extents.c
Replace BUG_ON calls with a call to ext4_error()
to print an error message if EXT4_IOC_MOVE_EXT failed
with some kind of reasons. This will help to debug.
Ted pointed this out, thanks.
Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/move_extent.c | 149 ++++++++++++++++++++++++++++++------------
1 file changed, 109 insertions(+), 40 deletions(-)
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index e4bd8761498a..2258560e9722 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -127,6 +127,31 @@ mext_next_extent(struct inode *inode, struct ext4_ext_path *path,
return 1;
}
+/**
+ * mext_check_null_inode - NULL check for two inodes
+ *
+ * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0.
+ */
+static int
+mext_check_null_inode(struct inode *inode1, struct inode *inode2,
+ const char *function)
+{
+ int ret = 0;
+
+ if (inode1 == NULL) {
+ ext4_error(inode2->i_sb, function,
+ "Both inodes should not be NULL: "
+ "inode1 NULL inode2 %lu", inode2->i_ino);
+ ret = -EIO;
+ } else if (inode2 == NULL) {
+ ext4_error(inode1->i_sb, function,
+ "Both inodes should not be NULL: "
+ "inode1 %lu inode2 NULL", inode1->i_ino);
+ ret = -EIO;
+ }
+ return ret;
+}
+
/**
* mext_double_down_read - Acquire two inodes' read semaphore
*
@@ -139,8 +164,6 @@ mext_double_down_read(struct inode *orig_inode, struct inode *donor_inode)
{
struct inode *first = orig_inode, *second = donor_inode;
- BUG_ON(orig_inode == NULL || donor_inode == NULL);
-
/*
* Use the inode number to provide the stable locking order instead
* of its address, because the C language doesn't guarantee you can
@@ -167,8 +190,6 @@ mext_double_down_write(struct inode *orig_inode, struct inode *donor_inode)
{
struct inode *first = orig_inode, *second = donor_inode;
- BUG_ON(orig_inode == NULL || donor_inode == NULL);
-
/*
* Use the inode number to provide the stable locking order instead
* of its address, because the C language doesn't guarantee you can
@@ -193,8 +214,6 @@ mext_double_down_write(struct inode *orig_inode, struct inode *donor_inode)
static void
mext_double_up_read(struct inode *orig_inode, struct inode *donor_inode)
{
- BUG_ON(orig_inode == NULL || donor_inode == NULL);
-
up_read(&EXT4_I(orig_inode)->i_data_sem);
up_read(&EXT4_I(donor_inode)->i_data_sem);
}
@@ -209,8 +228,6 @@ mext_double_up_read(struct inode *orig_inode, struct inode *donor_inode)
static void
mext_double_up_write(struct inode *orig_inode, struct inode *donor_inode)
{
- BUG_ON(orig_inode == NULL || donor_inode == NULL);
-
up_write(&EXT4_I(orig_inode)->i_data_sem);
up_write(&EXT4_I(donor_inode)->i_data_sem);
}
@@ -534,7 +551,15 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
* oext |-----------|
* new_ext |-------|
*/
- BUG_ON(le32_to_cpu(oext->ee_block) + oext_alen - 1 < new_ext_end);
+ if (le32_to_cpu(oext->ee_block) + oext_alen - 1 < new_ext_end) {
+ ext4_error(orig_inode->i_sb, __func__,
+ "new_ext_end(%u) should be less than or equal to "
+ "oext->ee_block(%u) + oext_alen(%d) - 1",
+ new_ext_end, le32_to_cpu(oext->ee_block),
+ oext_alen);
+ ret = -EIO;
+ goto out;
+ }
/*
* Case: new_ext is smaller than original extent
@@ -558,6 +583,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
ret = mext_insert_extents(handle, orig_inode, orig_path, o_start,
o_end, &start_ext, &new_ext, &end_ext);
+out:
return ret;
}
@@ -668,7 +694,20 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
/* Loop for the donor extents */
while (1) {
/* The extent for donor must be found. */
- BUG_ON(!dext || donor_off != le32_to_cpu(tmp_dext.ee_block));
+ if (!dext) {
+ ext4_error(donor_inode->i_sb, __func__,
+ "The extent for donor must be found");
+ err = -EIO;
+ goto out;
+ } else if (donor_off != le32_to_cpu(tmp_dext.ee_block)) {
+ ext4_error(donor_inode->i_sb, __func__,
+ "Donor offset(%u) and the first block of donor "
+ "extent(%u) should be equal",
+ donor_off,
+ le32_to_cpu(tmp_dext.ee_block));
+ err = -EIO;
+ goto out;
+ }
/* Set donor extent to orig extent */
err = mext_leaf_block(handle, orig_inode,
@@ -1050,18 +1089,23 @@ mext_check_arguments(struct inode *orig_inode,
* @inode1: the inode structure
* @inode2: the inode structure
*
- * Lock two inodes' i_mutex by i_ino order. This function is moved from
- * fs/inode.c.
+ * Lock two inodes' i_mutex by i_ino order.
+ * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0.
*/
-static void
+static int
mext_inode_double_lock(struct inode *inode1, struct inode *inode2)
{
- if (inode1 == NULL || inode2 == NULL || inode1 == inode2) {
- if (inode1)
- mutex_lock(&inode1->i_mutex);
- else if (inode2)
- mutex_lock(&inode2->i_mutex);
- return;
+ int ret = 0;
+
+ BUG_ON(inode1 == NULL && inode2 == NULL);
+
+ ret = mext_check_null_inode(inode1, inode2, __func__);
+ if (ret < 0)
+ goto out;
+
+ if (inode1 == inode2) {
+ mutex_lock(&inode1->i_mutex);
+ goto out;
}
if (inode1->i_ino < inode2->i_ino) {
@@ -1071,6 +1115,9 @@ mext_inode_double_lock(struct inode *inode1, struct inode *inode2)
mutex_lock_nested(&inode2->i_mutex, I_MUTEX_PARENT);
mutex_lock_nested(&inode1->i_mutex, I_MUTEX_CHILD);
}
+
+out:
+ return ret;
}
/**
@@ -1079,17 +1126,28 @@ mext_inode_double_lock(struct inode *inode1, struct inode *inode2)
* @inode1: the inode that is released first
* @inode2: the inode that is released second
*
- * This function is moved from fs/inode.c.
+ * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0.
*/
-static void
+static int
mext_inode_double_unlock(struct inode *inode1, struct inode *inode2)
{
+ int ret = 0;
+
+ BUG_ON(inode1 == NULL && inode2 == NULL);
+
+ ret = mext_check_null_inode(inode1, inode2, __func__);
+ if (ret < 0)
+ goto out;
+
if (inode1)
mutex_unlock(&inode1->i_mutex);
if (inode2 && inode2 != inode1)
mutex_unlock(&inode2->i_mutex);
+
+out:
+ return ret;
}
/**
@@ -1146,21 +1204,23 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
ext4_lblk_t block_end, seq_start, add_blocks, file_end, seq_blocks = 0;
ext4_lblk_t rest_blocks;
pgoff_t orig_page_offset = 0, seq_end_page;
- int ret, depth, last_extent = 0;
+ int ret1, ret2, depth, last_extent = 0;
int blocks_per_page = PAGE_CACHE_SIZE >> orig_inode->i_blkbits;
int data_offset_in_page;
int block_len_in_page;
int uninit;
/* protect orig and donor against a truncate */
- mext_inode_double_lock(orig_inode, donor_inode);
+ ret1 = mext_inode_double_lock(orig_inode, donor_inode);
+ if (ret1 < 0)
+ return ret1;
mext_double_down_read(orig_inode, donor_inode);
/* Check the filesystem environment whether move_extent can be done */
- ret = mext_check_arguments(orig_inode, donor_inode, orig_start,
+ ret1 = mext_check_arguments(orig_inode, donor_inode, orig_start,
donor_start, &len, *moved_len);
mext_double_up_read(orig_inode, donor_inode);
- if (ret)
+ if (ret1)
goto out2;
file_end = (i_size_read(orig_inode) - 1) >> orig_inode->i_blkbits;
@@ -1168,19 +1228,19 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
if (file_end < block_end)
len -= block_end - file_end;
- ret = get_ext_path(orig_inode, block_start, &orig_path);
+ ret1 = get_ext_path(orig_inode, block_start, &orig_path);
if (orig_path == NULL)
goto out2;
/* Get path structure to check the hole */
- ret = get_ext_path(orig_inode, block_start, &holecheck_path);
+ ret1 = get_ext_path(orig_inode, block_start, &holecheck_path);
if (holecheck_path == NULL)
goto out;
depth = ext_depth(orig_inode);
ext_cur = holecheck_path[depth].p_ext;
if (ext_cur == NULL) {
- ret = -EINVAL;
+ ret1 = -EINVAL;
goto out;
}
@@ -1193,13 +1253,13 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
last_extent = mext_next_extent(orig_inode,
holecheck_path, &ext_cur);
if (last_extent < 0) {
- ret = last_extent;
+ ret1 = last_extent;
goto out;
}
last_extent = mext_next_extent(orig_inode, orig_path,
&ext_dummy);
if (last_extent < 0) {
- ret = last_extent;
+ ret1 = last_extent;
goto out;
}
}
@@ -1209,7 +1269,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
if (le32_to_cpu(ext_cur->ee_block) > block_end) {
ext4_debug("ext4 move extent: The specified range of file "
"may be the hole\n");
- ret = -EINVAL;
+ ret1 = -EINVAL;
goto out;
}
@@ -1229,7 +1289,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
last_extent = mext_next_extent(orig_inode, holecheck_path,
&ext_cur);
if (last_extent < 0) {
- ret = last_extent;
+ ret1 = last_extent;
break;
}
add_blocks = ext4_ext_get_actual_len(ext_cur);
@@ -1281,16 +1341,23 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
while (orig_page_offset <= seq_end_page) {
/* Swap original branches with new branches */
- ret = move_extent_per_page(o_filp, donor_inode,
+ ret1 = move_extent_per_page(o_filp, donor_inode,
orig_page_offset,
data_offset_in_page,
block_len_in_page, uninit);
- if (ret < 0)
+ if (ret1 < 0)
goto out;
orig_page_offset++;
/* Count how many blocks we have exchanged */
*moved_len += block_len_in_page;
- BUG_ON(*moved_len > len);
+ if (*moved_len > len) {
+ ext4_error(orig_inode->i_sb, __func__,
+ "We replaced blocks too much! "
+ "sum of replaced: %llu requested: %llu",
+ *moved_len, len);
+ ret1 = -EIO;
+ goto out;
+ }
data_offset_in_page = 0;
rest_blocks -= block_len_in_page;
@@ -1303,7 +1370,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
/* Decrease buffer counter */
if (holecheck_path)
ext4_ext_drop_refs(holecheck_path);
- ret = get_ext_path(orig_inode, seq_start, &holecheck_path);
+ ret1 = get_ext_path(orig_inode, seq_start, &holecheck_path);
if (holecheck_path == NULL)
break;
depth = holecheck_path->p_depth;
@@ -1311,7 +1378,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
/* Decrease buffer counter */
if (orig_path)
ext4_ext_drop_refs(orig_path);
- ret = get_ext_path(orig_inode, seq_start, &orig_path);
+ ret1 = get_ext_path(orig_inode, seq_start, &orig_path);
if (orig_path == NULL)
break;
@@ -1330,10 +1397,12 @@ out:
kfree(holecheck_path);
}
out2:
- mext_inode_double_unlock(orig_inode, donor_inode);
+ ret2 = mext_inode_double_unlock(orig_inode, donor_inode);
- if (ret)
- return ret;
+ if (ret1)
+ return ret1;
+ else if (ret2)
+ return ret2;
return 0;
}
--
GitLab
From 347fa6f1c7cb5df2b38d3c9167cfe242ce0cd1da Mon Sep 17 00:00:00 2001
From: Akira Fujita <a-fujita@rs.jp.nec.com>
Date: Wed, 16 Sep 2009 14:25:07 -0400
Subject: [PATCH 562/742] ext4: Add null extent check to ext_get_path
There is the possibility that path structure which is taken
by ext4_ext_find_extent() indicates null extents.
Because during data block exchanging in ext4_move_extents(),
constitution of an extent tree may be changed.
As a solution, the patch adds null extent check
to ext_get_path().
Reported-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/move_extent.c | 34 ++++++++++++++++------------------
1 file changed, 16 insertions(+), 18 deletions(-)
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 2258560e9722..1c509d549137 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -39,7 +39,9 @@ get_ext_path(struct inode *inode, ext4_lblk_t lblock,
if (IS_ERR(*path)) {
ret = PTR_ERR(*path);
*path = NULL;
- }
+ } else if ((*path)[ext_depth(inode)].p_ext == NULL)
+ ret = -ENODATA;
+
return ret;
}
@@ -316,7 +318,7 @@ mext_insert_across_blocks(handle_t *handle, struct inode *orig_inode,
if (new_flag) {
err = get_ext_path(orig_inode, eblock, &orig_path);
- if (orig_path == NULL)
+ if (err)
goto out;
if (ext4_ext_insert_extent(handle, orig_inode,
@@ -327,7 +329,7 @@ mext_insert_across_blocks(handle_t *handle, struct inode *orig_inode,
if (end_flag) {
err = get_ext_path(orig_inode,
le32_to_cpu(end_ext->ee_block) - 1, &orig_path);
- if (orig_path == NULL)
+ if (err)
goto out;
if (ext4_ext_insert_extent(handle, orig_inode,
@@ -673,12 +675,12 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
/* Get the original extent for the block "orig_off" */
err = get_ext_path(orig_inode, orig_off, &orig_path);
- if (orig_path == NULL)
+ if (err)
goto out;
/* Get the donor extent for the head */
err = get_ext_path(donor_inode, donor_off, &donor_path);
- if (donor_path == NULL)
+ if (err)
goto out;
depth = ext_depth(orig_inode);
oext = orig_path[depth].p_ext;
@@ -733,7 +735,7 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
if (orig_path)
ext4_ext_drop_refs(orig_path);
err = get_ext_path(orig_inode, orig_off, &orig_path);
- if (orig_path == NULL)
+ if (err)
goto out;
depth = ext_depth(orig_inode);
oext = orig_path[depth].p_ext;
@@ -747,7 +749,7 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
if (donor_path)
ext4_ext_drop_refs(donor_path);
err = get_ext_path(donor_inode, donor_off, &donor_path);
- if (donor_path == NULL)
+ if (err)
goto out;
depth = ext_depth(donor_inode);
dext = donor_path[depth].p_ext;
@@ -1221,7 +1223,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
donor_start, &len, *moved_len);
mext_double_up_read(orig_inode, donor_inode);
if (ret1)
- goto out2;
+ goto out;
file_end = (i_size_read(orig_inode) - 1) >> orig_inode->i_blkbits;
block_end = block_start + len - 1;
@@ -1229,20 +1231,16 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
len -= block_end - file_end;
ret1 = get_ext_path(orig_inode, block_start, &orig_path);
- if (orig_path == NULL)
- goto out2;
+ if (ret1)
+ goto out;
/* Get path structure to check the hole */
ret1 = get_ext_path(orig_inode, block_start, &holecheck_path);
- if (holecheck_path == NULL)
+ if (ret1)
goto out;
depth = ext_depth(orig_inode);
ext_cur = holecheck_path[depth].p_ext;
- if (ext_cur == NULL) {
- ret1 = -EINVAL;
- goto out;
- }
/*
* Get proper extent whose ee_block is beyond block_start
@@ -1371,7 +1369,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
if (holecheck_path)
ext4_ext_drop_refs(holecheck_path);
ret1 = get_ext_path(orig_inode, seq_start, &holecheck_path);
- if (holecheck_path == NULL)
+ if (ret1)
break;
depth = holecheck_path->p_depth;
@@ -1379,7 +1377,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
if (orig_path)
ext4_ext_drop_refs(orig_path);
ret1 = get_ext_path(orig_inode, seq_start, &orig_path);
- if (orig_path == NULL)
+ if (ret1)
break;
ext_cur = holecheck_path[depth].p_ext;
@@ -1396,7 +1394,7 @@ out:
ext4_ext_drop_refs(holecheck_path);
kfree(holecheck_path);
}
-out2:
+
ret2 = mext_inode_double_unlock(orig_inode, donor_inode);
if (ret1)
--
GitLab
From c40ce3c9ea97425a12d7e44031a98fe50add6fc1 Mon Sep 17 00:00:00 2001
From: Akira Fujita <a-fujita@rs.jp.nec.com>
Date: Wed, 16 Sep 2009 14:25:39 -0400
Subject: [PATCH 563/742] ext4: Fix different block exchange issue in
EXT4_IOC_MOVE_EXT
If logical block offset of original file which is passed to
EXT4_IOC_MOVE_EXT is different from donor file's,
a calculation error occurs in ext4_calc_swap_extents(),
therefore wrong block is exchanged between original file and donor file.
As a result, we hit ext4_error() in check_block_validity().
To detect the logical offset difference in EXT4_IOC_MOVE_EXT,
add checks to mext_calc_swap_extents() and handle it as error,
since data exchange must be done between the same blocks in EXT4_IOC_MOVE_EXT.
Reported-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Akira Fujita <a-fujita@rs.jp.nec.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/move_extent.c | 46 ++++++++++++++++++++++++++++++++++---------
1 file changed, 37 insertions(+), 9 deletions(-)
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 1c509d549137..1f027b1ec430 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -597,8 +597,10 @@ out:
* @orig_off: block offset of original inode
* @donor_off: block offset of donor inode
* @max_count: the maximun length of extents
+ *
+ * Return 0 on success, or a negative error value on failure.
*/
-static void
+static int
mext_calc_swap_extents(struct ext4_extent *tmp_dext,
struct ext4_extent *tmp_oext,
ext4_lblk_t orig_off, ext4_lblk_t donor_off,
@@ -607,6 +609,19 @@ mext_calc_swap_extents(struct ext4_extent *tmp_dext,
ext4_lblk_t diff, orig_diff;
struct ext4_extent dext_old, oext_old;
+ BUG_ON(orig_off != donor_off);
+
+ /* original and donor extents have to cover the same block offset */
+ if (orig_off < le32_to_cpu(tmp_oext->ee_block) ||
+ le32_to_cpu(tmp_oext->ee_block) +
+ ext4_ext_get_actual_len(tmp_oext) - 1 < orig_off)
+ return -ENODATA;
+
+ if (orig_off < le32_to_cpu(tmp_dext->ee_block) ||
+ le32_to_cpu(tmp_dext->ee_block) +
+ ext4_ext_get_actual_len(tmp_dext) - 1 < orig_off)
+ return -ENODATA;
+
dext_old = *tmp_dext;
oext_old = *tmp_oext;
@@ -634,6 +649,8 @@ mext_calc_swap_extents(struct ext4_extent *tmp_dext,
copy_extent_status(&oext_old, tmp_dext);
copy_extent_status(&dext_old, tmp_oext);
+
+ return 0;
}
/**
@@ -690,8 +707,10 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
dext = donor_path[depth].p_ext;
tmp_dext = *dext;
- mext_calc_swap_extents(&tmp_dext, &tmp_oext, orig_off,
+ err = mext_calc_swap_extents(&tmp_dext, &tmp_oext, orig_off,
donor_off, count);
+ if (err)
+ goto out;
/* Loop for the donor extents */
while (1) {
@@ -760,9 +779,10 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
}
tmp_dext = *dext;
- mext_calc_swap_extents(&tmp_dext, &tmp_oext, orig_off,
- donor_off,
- count - replaced_count);
+ err = mext_calc_swap_extents(&tmp_dext, &tmp_oext, orig_off,
+ donor_off, count - replaced_count);
+ if (err)
+ goto out;
}
out:
@@ -1243,11 +1263,15 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
ext_cur = holecheck_path[depth].p_ext;
/*
- * Get proper extent whose ee_block is beyond block_start
- * if block_start was within the hole.
+ * Get proper starting location of block replacement if block_start was
+ * within the hole.
*/
if (le32_to_cpu(ext_cur->ee_block) +
ext4_ext_get_actual_len(ext_cur) - 1 < block_start) {
+ /*
+ * The hole exists between extents or the tail of
+ * original file.
+ */
last_extent = mext_next_extent(orig_inode,
holecheck_path, &ext_cur);
if (last_extent < 0) {
@@ -1260,8 +1284,12 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
ret1 = last_extent;
goto out;
}
- }
- seq_start = block_start;
+ seq_start = le32_to_cpu(ext_cur->ee_block);
+ } else if (le32_to_cpu(ext_cur->ee_block) > block_start)
+ /* The hole exists at the beginning of original file. */
+ seq_start = le32_to_cpu(ext_cur->ee_block);
+ else
+ seq_start = block_start;
/* No blocks within the specified range. */
if (le32_to_cpu(ext_cur->ee_block) > block_end) {
--
GitLab
From fb0a387dcdcd21aab1b09ee7fd80b7c979bdbbfd Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Wed, 16 Sep 2009 14:45:10 -0400
Subject: [PATCH 564/742] ext4: limit block allocations for indirect-block
files to < 2^32
Today, the ext4 allocator will happily allocate blocks past
2^32 for indirect-block files, which results in the block
numbers getting truncated, and corruption ensues.
This patch limits such allocations to < 2^32, and adds
BUG_ONs if we do get blocks larger than that.
This should address RH Bug 519471, ext4 bitmap allocator
must limit blocks to < 2^32
* ext4_find_goal() is modified to choose a goal < UINT_MAX,
so that our starting point is in an acceptable range.
* ext4_xattr_block_set() is modified such that the goal block
is < UINT_MAX, as above.
* ext4_mb_regular_allocator() is modified so that the group
search does not continue into groups which are too high
* ext4_mb_use_preallocated() has a check that we don't use
preallocated space which is too far out
* ext4_alloc_blocks() and ext4_xattr_block_set() add some BUG_ONs
No attempt has been made to limit inode locations to < 2^32,
so we may wind up with blocks far from their inodes. Doing
this much already will lead to some odd ENOSPC issues when the
"lower 32" gets full, and further restricting inodes could
make that even weirder.
For high inodes, choosing a goal of the original, % UINT_MAX,
may be a bit odd, but then we're in an odd situation anyway,
and I don't know of a better heuristic.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4.h | 4 ++++
fs/ext4/inode.c | 11 ++++++++++-
fs/ext4/mballoc.c | 9 +++++++++
fs/ext4/super.c | 2 ++
fs/ext4/xattr.c | 15 +++++++++++++--
5 files changed, 38 insertions(+), 3 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 4dc64ed58d26..2a0f75d55fad 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -403,6 +403,9 @@ struct ext4_mount_options {
#endif
};
+/* Max physical block we can addres w/o extents */
+#define EXT4_MAX_BLOCK_FILE_PHYS 0xFFFFFFFF
+
/*
* Structure of an inode on the disk
*/
@@ -857,6 +860,7 @@ struct ext4_sb_info {
unsigned long s_gdb_count; /* Number of group descriptor blocks */
unsigned long s_desc_per_block; /* Number of group descriptors per block */
ext4_group_t s_groups_count; /* Number of groups in the fs */
+ ext4_group_t s_blockfile_groups;/* Groups acceptable for non-extent files */
unsigned long s_overhead_last; /* Last calculated overhead */
unsigned long s_blocks_last; /* Last seen block count */
loff_t s_bitmap_maxbytes; /* max bytes for bitmap files */
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index d04c8428bde2..5a8979259c9a 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -562,15 +562,21 @@ static ext4_fsblk_t ext4_find_near(struct inode *inode, Indirect *ind)
*
* Normally this function find the preferred place for block allocation,
* returns it.
+ * Because this is only used for non-extent files, we limit the block nr
+ * to 32 bits.
*/
static ext4_fsblk_t ext4_find_goal(struct inode *inode, ext4_lblk_t block,
Indirect *partial)
{
+ ext4_fsblk_t goal;
+
/*
* XXX need to get goal block from mballoc's data structures
*/
- return ext4_find_near(inode, partial);
+ goal = ext4_find_near(inode, partial);
+ goal = goal & EXT4_MAX_BLOCK_FILE_PHYS;
+ return goal;
}
/**
@@ -651,6 +657,8 @@ static int ext4_alloc_blocks(handle_t *handle, struct inode *inode,
if (*err)
goto failed_out;
+ BUG_ON(current_block + count > EXT4_MAX_BLOCK_FILE_PHYS);
+
target -= count;
/* allocate blocks for indirect blocks */
while (index < indirect_blks && count) {
@@ -685,6 +693,7 @@ static int ext4_alloc_blocks(handle_t *handle, struct inode *inode,
ar.flags = EXT4_MB_HINT_DATA;
current_block = ext4_mb_new_blocks(handle, &ar, err);
+ BUG_ON(current_block + ar.len > EXT4_MAX_BLOCK_FILE_PHYS);
if (*err && (target == blks)) {
/*
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index d23056d375b3..e9c61896d605 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1965,6 +1965,10 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)
sb = ac->ac_sb;
sbi = EXT4_SB(sb);
ngroups = ext4_get_groups_count(sb);
+ /* non-extent files are limited to low blocks/groups */
+ if (!(EXT4_I(ac->ac_inode)->i_flags & EXT4_EXTENTS_FL))
+ ngroups = sbi->s_blockfile_groups;
+
BUG_ON(ac->ac_status == AC_STATUS_FOUND);
/* first, try the goal */
@@ -3382,6 +3386,11 @@ ext4_mb_use_preallocated(struct ext4_allocation_context *ac)
ac->ac_o_ex.fe_logical >= pa->pa_lstart + pa->pa_len)
continue;
+ /* non-extent files can't have physical blocks past 2^32 */
+ if (!(EXT4_I(ac->ac_inode)->i_flags & EXT4_EXTENTS_FL) &&
+ pa->pa_pstart + pa->pa_len > EXT4_MAX_BLOCK_FILE_PHYS)
+ continue;
+
/* found preallocated blocks, use them */
spin_lock(&pa->pa_lock);
if (pa->pa_deleted == 0 && pa->pa_free) {
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index af95dd8ba54b..a6b1ab734728 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2616,6 +2616,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount;
}
sbi->s_groups_count = blocks_count;
+ sbi->s_blockfile_groups = min_t(ext4_group_t, sbi->s_groups_count,
+ (EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb)));
db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) /
EXT4_DESC_PER_BLOCK(sb);
sbi->s_group_desc = kmalloc(db_count * sizeof(struct buffer_head *),
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 62b31c246994..fed5b01d7a8d 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -810,12 +810,23 @@ inserted:
get_bh(new_bh);
} else {
/* We need to allocate a new block */
- ext4_fsblk_t goal = ext4_group_first_block_no(sb,
+ ext4_fsblk_t goal, block;
+
+ goal = ext4_group_first_block_no(sb,
EXT4_I(inode)->i_block_group);
- ext4_fsblk_t block = ext4_new_meta_blocks(handle, inode,
+
+ /* non-extent files can't have physical blocks past 2^32 */
+ if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+ goal = goal & EXT4_MAX_BLOCK_FILE_PHYS;
+
+ block = ext4_new_meta_blocks(handle, inode,
goal, NULL, &error);
if (error)
goto cleanup;
+
+ if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+ BUG_ON(block > EXT4_MAX_BLOCK_FILE_PHYS);
+
ea_idebug(inode, "creating block %d", block);
new_bh = sb_getblk(sb, block);
--
GitLab
From 1b9c12f44c1eb614fd3b8822bfe8f1f5d8e53737 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 17 Sep 2009 08:32:22 -0400
Subject: [PATCH 565/742] ext4: store EXT4_EXT_MIGRATE in i_state instead of
i_flags
EXT4_EXT_MIGRATE is only intended to be used for an in-memory flag,
and the hex value assigned to it collides with FS_DIRECTIO_FL (which
is also stored in i_flags). There's no reason for the
EXT4_EXT_MIGRATE bit to be stored in i_flags, so we switch it to use
i_state instead.
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4.h | 2 +-
fs/ext4/inode.c | 6 ++----
fs/ext4/migrate.c | 20 ++++++++++----------
3 files changed, 13 insertions(+), 15 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 2a0f75d55fad..84e7f1d00a83 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -268,7 +268,6 @@ struct flex_groups {
#define EXT4_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
#define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */
#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
-#define EXT4_EXT_MIGRATE 0x00100000 /* Inode is migrating */
#define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
#define EXT4_FL_USER_VISIBLE 0x000BDFFF /* User visible flags */
@@ -306,6 +305,7 @@ static inline __u32 ext4_mask_flags(umode_t mode, __u32 flags)
#define EXT4_STATE_XATTR 0x00000004 /* has in-inode xattrs */
#define EXT4_STATE_NO_EXPAND 0x00000008 /* No space for expansion */
#define EXT4_STATE_DA_ALLOC_CLOSE 0x00000010 /* Alloc DA blks on close */
+#define EXT4_STATE_EXT_MIGRATE 0x00000020 /* Inode is migrating */
/* Used to pass group descriptor data when online resize is done */
struct ext4_new_group_input {
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 5a8979259c9a..a5b4ce40cc66 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1255,8 +1255,7 @@ int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
* i_data's format changing. Force the migrate
* to fail by clearing migrate flags
*/
- EXT4_I(inode)->i_flags = EXT4_I(inode)->i_flags &
- ~EXT4_EXT_MIGRATE;
+ EXT4_I(inode)->i_state &= ~EXT4_STATE_EXT_MIGRATE;
}
}
@@ -4596,8 +4595,7 @@ static int ext4_do_update_inode(handle_t *handle,
if (ext4_inode_blocks_set(handle, raw_inode, ei))
goto out_brelse;
raw_inode->i_dtime = cpu_to_le32(ei->i_dtime);
- /* clear the migrate flag in the raw_inode */
- raw_inode->i_flags = cpu_to_le32(ei->i_flags & ~EXT4_EXT_MIGRATE);
+ raw_inode->i_flags = cpu_to_le32(ei->i_flags);
if (EXT4_SB(inode->i_sb)->s_es->s_creator_os !=
cpu_to_le32(EXT4_OS_HURD))
raw_inode->i_file_acl_high =
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index 05361ad5b80a..bf519f239ae6 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -353,17 +353,16 @@ static int ext4_ext_swap_inode_data(handle_t *handle, struct inode *inode,
down_write(&EXT4_I(inode)->i_data_sem);
/*
- * if EXT4_EXT_MIGRATE is cleared a block allocation
+ * if EXT4_STATE_EXT_MIGRATE is cleared a block allocation
* happened after we started the migrate. We need to
* fail the migrate
*/
- if (!(EXT4_I(inode)->i_flags & EXT4_EXT_MIGRATE)) {
+ if (!(EXT4_I(inode)->i_state & EXT4_STATE_EXT_MIGRATE)) {
retval = -EAGAIN;
up_write(&EXT4_I(inode)->i_data_sem);
goto err_out;
} else
- EXT4_I(inode)->i_flags = EXT4_I(inode)->i_flags &
- ~EXT4_EXT_MIGRATE;
+ EXT4_I(inode)->i_state &= ~EXT4_STATE_EXT_MIGRATE;
/*
* We have the extent map build with the tmp inode.
* Now copy the i_data across
@@ -517,14 +516,15 @@ int ext4_ext_migrate(struct inode *inode)
* when we add extents we extent the journal
*/
/*
- * Even though we take i_mutex we can still cause block allocation
- * via mmap write to holes. If we have allocated new blocks we fail
- * migrate. New block allocation will clear EXT4_EXT_MIGRATE flag.
- * The flag is updated with i_data_sem held to prevent racing with
- * block allocation.
+ * Even though we take i_mutex we can still cause block
+ * allocation via mmap write to holes. If we have allocated
+ * new blocks we fail migrate. New block allocation will
+ * clear EXT4_STATE_EXT_MIGRATE flag. The flag is updated
+ * with i_data_sem held to prevent racing with block
+ * allocation.
*/
down_read((&EXT4_I(inode)->i_data_sem));
- EXT4_I(inode)->i_flags = EXT4_I(inode)->i_flags | EXT4_EXT_MIGRATE;
+ EXT4_I(inode)->i_state |= EXT4_STATE_EXT_MIGRATE;
up_read((&EXT4_I(inode)->i_data_sem));
handle = ext4_journal_start(inode, 1);
--
GitLab
From fb40ba0d98968bc3454731360363d725b4f1064c Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Wed, 16 Sep 2009 19:30:40 -0400
Subject: [PATCH 566/742] ext4: Add a tracepoint for ext4_alloc_da_blocks()
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/inode.c | 2 ++
include/trace/events/ext4.h | 27 +++++++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index a5b4ce40cc66..9887a0c562d5 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3128,6 +3128,8 @@ out:
*/
int ext4_alloc_da_blocks(struct inode *inode)
{
+ trace_ext4_alloc_da_blocks(inode);
+
if (!EXT4_I(inode)->i_reserved_data_blocks &&
!EXT4_I(inode)->i_reserved_meta_blocks)
return 0;
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 6fe6ce9ee071..c1bd8f1e8b94 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -10,6 +10,9 @@
struct ext4_allocation_context;
struct ext4_allocation_request;
struct ext4_prealloc_space;
+struct ext4_inode_info;
+
+#define EXT4_I(inode) (container_of(inode, struct ext4_inode_info, vfs_inode))
TRACE_EVENT(ext4_free_inode,
TP_PROTO(struct inode *inode),
@@ -710,6 +713,30 @@ TRACE_EVENT(ext4_sync_fs,
__entry->wait)
);
+TRACE_EVENT(ext4_alloc_da_blocks,
+ TP_PROTO(struct inode *inode),
+
+ TP_ARGS(inode),
+
+ TP_STRUCT__entry(
+ __field( dev_t, dev )
+ __field( ino_t, ino )
+ __field( unsigned int, data_blocks )
+ __field( unsigned int, meta_blocks )
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
+ __entry->meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
+ ),
+
+ TP_printk("dev %s ino %lu data_blocks %u meta_blocks %u",
+ jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+ __entry->data_blocks, __entry->meta_blocks)
+);
+
#endif /* _TRACE_EXT4_H */
/* This part must be outside protection */
--
GitLab
From 9973affe9bbcde64041890d8793eb2e74143c298 Mon Sep 17 00:00:00 2001
From: Chen Liqin <liqin.chen@sunplusct.com>
Date: Thu, 17 Sep 2009 12:05:56 +0800
Subject: [PATCH 567/742] score: add TIF_NOTIFY_RESUME define in
asm/thread_info.h
---
arch/score/include/asm/thread_info.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/score/include/asm/thread_info.h b/arch/score/include/asm/thread_info.h
index 0af8ca074c8d..3a1122885528 100644
--- a/arch/score/include/asm/thread_info.h
+++ b/arch/score/include/asm/thread_info.h
@@ -85,6 +85,7 @@ register struct thread_info *__current_thread_info __asm__("r28");
#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
#define TIF_SIGPENDING 1 /* signal pending */
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
+#define TIF_NOTIFY_RESUME 5 /* callback before returning to user */
#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */
#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling
TIF_NEED_RESCHED */
@@ -93,6 +94,7 @@ register struct thread_info *__current_thread_info __asm__("r28");
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
+#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
--
GitLab
From 064a16dc41be879d12bd5de5d2f9d38d890e0ee7 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Date: Wed, 16 Sep 2009 11:34:34 +0000
Subject: [PATCH 568/742] sh: mach-ecovec24: Add user debug switch support
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
arch/sh/boards/mach-ecovec24/setup.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index bbe601d4209f..96bc1698310f 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -638,6 +638,16 @@ static int __init arch_setup(void)
gpio_request(GPIO_FN_KEYOUT0, NULL);
gpio_request(GPIO_FN_KEYIN0, NULL);
+ /* enable user debug switch */
+ gpio_request(GPIO_PTR0, NULL);
+ gpio_request(GPIO_PTR4, NULL);
+ gpio_request(GPIO_PTR5, NULL);
+ gpio_request(GPIO_PTR6, NULL);
+ gpio_direction_input(GPIO_PTR0);
+ gpio_direction_input(GPIO_PTR4);
+ gpio_direction_input(GPIO_PTR5);
+ gpio_direction_input(GPIO_PTR6);
+
/* enable I2C device */
i2c_register_board_info(1, i2c1_devices,
ARRAY_SIZE(i2c1_devices));
--
GitLab
From dfc3aa7221f50bf3d05c67b826414ab290b95c46 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 23 Jun 2009 10:48:36 +0200
Subject: [PATCH 569/742] mfd: fix ab3100 warning on x86_64
The file_operations write prototype should return a ssize_t.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ab3100-core.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index 13e7d7bfe85f..8ff10cb77cac 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -465,14 +465,14 @@ static int ab3100_get_set_reg_open_file(struct inode *inode, struct file *file)
return 0;
}
-static int ab3100_get_set_reg(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
+static ssize_t ab3100_get_set_reg(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
{
struct ab3100_get_set_reg_priv *priv = file->private_data;
struct ab3100 *ab3100 = priv->ab3100;
char buf[32];
- int buf_size;
+ ssize_t buf_size;
int regp;
unsigned long user_reg;
int err;
--
GitLab
From 9f7b07d6cc3ed14783c9427a5b2a69794eb2de64 Mon Sep 17 00:00:00 2001
From: Daniel Ribeiro <drwyrm@gmail.com>
Date: Tue, 23 Jun 2009 12:32:11 -0300
Subject: [PATCH 570/742] mfd: Introduce irq_to_pcap()
Export an irq_to_pcap function to get pcap irq number, for the keypad driver.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ezx-pcap.c | 9 +++++----
include/linux/mfd/ezx-pcap.h | 1 +
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index c1de4afa89a6..de7e63706abb 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -107,10 +107,11 @@ int ezx_pcap_read(struct pcap_chip *pcap, u8 reg_num, u32 *value)
EXPORT_SYMBOL_GPL(ezx_pcap_read);
/* IRQ */
-static inline unsigned int irq2pcap(struct pcap_chip *pcap, int irq)
+int irq_to_pcap(struct pcap_chip *pcap, int irq)
{
- return 1 << (irq - pcap->irq_base);
+ return irq - pcap->irq_base;
}
+EXPORT_SYMBOL_GPL(irq_to_pcap);
int pcap_to_irq(struct pcap_chip *pcap, int irq)
{
@@ -122,7 +123,7 @@ static void pcap_mask_irq(unsigned int irq)
{
struct pcap_chip *pcap = get_irq_chip_data(irq);
- pcap->msr |= irq2pcap(pcap, irq);
+ pcap->msr |= 1 << irq_to_pcap(pcap, irq);
queue_work(pcap->workqueue, &pcap->msr_work);
}
@@ -130,7 +131,7 @@ static void pcap_unmask_irq(unsigned int irq)
{
struct pcap_chip *pcap = get_irq_chip_data(irq);
- pcap->msr &= ~irq2pcap(pcap, irq);
+ pcap->msr &= ~(1 << irq_to_pcap(pcap, irq));
queue_work(pcap->workqueue, &pcap->msr_work);
}
diff --git a/include/linux/mfd/ezx-pcap.h b/include/linux/mfd/ezx-pcap.h
index c12c3c0932bf..6296b4935a1e 100644
--- a/include/linux/mfd/ezx-pcap.h
+++ b/include/linux/mfd/ezx-pcap.h
@@ -26,6 +26,7 @@ struct pcap_chip;
int ezx_pcap_write(struct pcap_chip *, u8, u32);
int ezx_pcap_read(struct pcap_chip *, u8, u32 *);
int pcap_to_irq(struct pcap_chip *, int);
+int irq_to_pcap(struct pcap_chip *, int);
int pcap_adc_async(struct pcap_chip *, u8, u32, u8[], void *, void *);
int pcap_adc_sync(struct pcap_chip *, u8, u32, u8[], u16[]);
--
GitLab
From ecd78cbdb989fd593bf4fd69cdb572200e70a553 Mon Sep 17 00:00:00 2001
From: Daniel Ribeiro <drwyrm@gmail.com>
Date: Tue, 23 Jun 2009 12:33:10 -0300
Subject: [PATCH 571/742] mfd: add set_ts_bits for pcap
Some TS controller bits are on the same register as the ADC control, save
TS specific bits and export a set_ts_bits function so the TS driver can set
it with the adc_mutex lock held.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ezx-pcap.c | 22 ++++++++++++++++++----
include/linux/mfd/ezx-pcap.h | 1 +
2 files changed, 19 insertions(+), 4 deletions(-)
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index de7e63706abb..c5122024f05a 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -195,6 +195,19 @@ static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
}
/* ADC */
+void pcap_set_ts_bits(struct pcap_chip *pcap, u32 bits)
+{
+ u32 tmp;
+
+ mutex_lock(&pcap->adc_mutex);
+ ezx_pcap_read(pcap, PCAP_REG_ADC, &tmp);
+ tmp &= ~(PCAP_ADC_TS_M_MASK | PCAP_ADC_TS_REF_LOWPWR);
+ tmp |= bits & (PCAP_ADC_TS_M_MASK | PCAP_ADC_TS_REF_LOWPWR);
+ ezx_pcap_write(pcap, PCAP_REG_ADC, tmp);
+ mutex_unlock(&pcap->adc_mutex);
+}
+EXPORT_SYMBOL_GPL(pcap_set_ts_bits);
+
static void pcap_disable_adc(struct pcap_chip *pcap)
{
u32 tmp;
@@ -217,15 +230,16 @@ static void pcap_adc_trigger(struct pcap_chip *pcap)
mutex_unlock(&pcap->adc_mutex);
return;
}
- mutex_unlock(&pcap->adc_mutex);
-
- /* start conversion on requested bank */
- tmp = pcap->adc_queue[head]->flags | PCAP_ADC_ADEN;
+ /* start conversion on requested bank, save TS_M bits */
+ ezx_pcap_read(pcap, PCAP_REG_ADC, &tmp);
+ tmp &= (PCAP_ADC_TS_M_MASK | PCAP_ADC_TS_REF_LOWPWR);
+ tmp |= pcap->adc_queue[head]->flags | PCAP_ADC_ADEN;
if (pcap->adc_queue[head]->bank == PCAP_ADC_BANK_1)
tmp |= PCAP_ADC_AD_SEL1;
ezx_pcap_write(pcap, PCAP_REG_ADC, tmp);
+ mutex_unlock(&pcap->adc_mutex);
ezx_pcap_write(pcap, PCAP_REG_ADR, PCAP_ADR_ASC);
}
diff --git a/include/linux/mfd/ezx-pcap.h b/include/linux/mfd/ezx-pcap.h
index 6296b4935a1e..b15caacf0720 100644
--- a/include/linux/mfd/ezx-pcap.h
+++ b/include/linux/mfd/ezx-pcap.h
@@ -29,6 +29,7 @@ int pcap_to_irq(struct pcap_chip *, int);
int irq_to_pcap(struct pcap_chip *, int);
int pcap_adc_async(struct pcap_chip *, u8, u32, u8[], void *, void *);
int pcap_adc_sync(struct pcap_chip *, u8, u32, u8[], u16[]);
+void pcap_set_ts_bits(struct pcap_chip *, u32);
#define PCAP_SECOND_PORT 1
#define PCAP_CS_AH 2
--
GitLab
From b1148fd46c248c8f6c9f3beb79f27cdd83702621 Mon Sep 17 00:00:00 2001
From: Daniel Ribeiro <drwyrm@gmail.com>
Date: Tue, 23 Jun 2009 12:34:13 -0300
Subject: [PATCH 572/742] mfd: fix pcap irq bottom handler
Mask interrupts before servicing them and loop while pcap asserts the interrupt
line.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ezx-pcap.c | 49 +++++++++++++++++++++++-------------------
1 file changed, 27 insertions(+), 22 deletions(-)
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index c5122024f05a..732664f238fe 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -17,6 +17,7 @@
#include <linux/irq.h>
#include <linux/mfd/ezx-pcap.h>
#include <linux/spi/spi.h>
+#include <linux/gpio.h>
#define PCAP_ADC_MAXQ 8
struct pcap_adc_request {
@@ -155,34 +156,38 @@ static void pcap_isr_work(struct work_struct *work)
u32 msr, isr, int_sel, service;
int irq;
- ezx_pcap_read(pcap, PCAP_REG_MSR, &msr);
- ezx_pcap_read(pcap, PCAP_REG_ISR, &isr);
+ do {
+ ezx_pcap_read(pcap, PCAP_REG_MSR, &msr);
+ ezx_pcap_read(pcap, PCAP_REG_ISR, &isr);
- /* We cant service/ack irqs that are assigned to port 2 */
- if (!(pdata->config & PCAP_SECOND_PORT)) {
- ezx_pcap_read(pcap, PCAP_REG_INT_SEL, &int_sel);
- isr &= ~int_sel;
- }
- ezx_pcap_write(pcap, PCAP_REG_ISR, isr);
+ /* We cant service/ack irqs that are assigned to port 2 */
+ if (!(pdata->config & PCAP_SECOND_PORT)) {
+ ezx_pcap_read(pcap, PCAP_REG_INT_SEL, &int_sel);
+ isr &= ~int_sel;
+ }
- local_irq_disable();
- service = isr & ~msr;
+ ezx_pcap_write(pcap, PCAP_REG_MSR, isr | msr);
+ ezx_pcap_write(pcap, PCAP_REG_ISR, isr);
- for (irq = pcap->irq_base; service; service >>= 1, irq++) {
- if (service & 1) {
- struct irq_desc *desc = irq_to_desc(irq);
+ local_irq_disable();
+ service = isr & ~msr;
+ for (irq = pcap->irq_base; service; service >>= 1, irq++) {
+ if (service & 1) {
+ struct irq_desc *desc = irq_to_desc(irq);
- if (WARN(!desc, KERN_WARNING
- "Invalid PCAP IRQ %d\n", irq))
- break;
+ if (WARN(!desc, KERN_WARNING
+ "Invalid PCAP IRQ %d\n", irq))
+ break;
- if (desc->status & IRQ_DISABLED)
- note_interrupt(irq, desc, IRQ_NONE);
- else
- desc->handle_irq(irq, desc);
+ if (desc->status & IRQ_DISABLED)
+ note_interrupt(irq, desc, IRQ_NONE);
+ else
+ desc->handle_irq(irq, desc);
+ }
}
- }
- local_irq_enable();
+ local_irq_enable();
+ ezx_pcap_write(pcap, PCAP_REG_MSR, pcap->msr);
+ } while (gpio_get_value(irq_to_gpio(pcap->spi->irq)));
}
static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
--
GitLab
From e9a22635b0d794d0cb242ffb0249f7b2a410bca2 Mon Sep 17 00:00:00 2001
From: Daniel Ribeiro <drwyrm@gmail.com>
Date: Sat, 27 Jun 2009 00:17:20 -0300
Subject: [PATCH 573/742] mfd: add ezx_pcap_setbits
Provides an atomic set_bits functions, as needed by the pcap-regulator
driver.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ezx-pcap.c | 23 +++++++++++++++++++++++
include/linux/mfd/ezx-pcap.h | 1 +
2 files changed, 24 insertions(+)
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index 732664f238fe..86d394894d81 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -107,6 +107,29 @@ int ezx_pcap_read(struct pcap_chip *pcap, u8 reg_num, u32 *value)
}
EXPORT_SYMBOL_GPL(ezx_pcap_read);
+int ezx_pcap_set_bits(struct pcap_chip *pcap, u8 reg_num, u32 mask, u32 val)
+{
+ int ret;
+ u32 tmp = PCAP_REGISTER_READ_OP_BIT |
+ (reg_num << PCAP_REGISTER_ADDRESS_SHIFT);
+
+ mutex_lock(&pcap->io_mutex);
+ ret = ezx_pcap_putget(pcap, &tmp);
+ if (ret)
+ goto out_unlock;
+
+ tmp &= (PCAP_REGISTER_VALUE_MASK & ~mask);
+ tmp |= (val & mask) | PCAP_REGISTER_WRITE_OP_BIT |
+ (reg_num << PCAP_REGISTER_ADDRESS_SHIFT);
+
+ ret = ezx_pcap_putget(pcap, &tmp);
+out_unlock:
+ mutex_unlock(&pcap->io_mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ezx_pcap_set_bits);
+
/* IRQ */
int irq_to_pcap(struct pcap_chip *pcap, int irq)
{
diff --git a/include/linux/mfd/ezx-pcap.h b/include/linux/mfd/ezx-pcap.h
index b15caacf0720..dec82b0b05f9 100644
--- a/include/linux/mfd/ezx-pcap.h
+++ b/include/linux/mfd/ezx-pcap.h
@@ -25,6 +25,7 @@ struct pcap_chip;
int ezx_pcap_write(struct pcap_chip *, u8, u32);
int ezx_pcap_read(struct pcap_chip *, u8, u32 *);
+int ezx_pcap_set_bits(struct pcap_chip *, u8, u32, u32);
int pcap_to_irq(struct pcap_chip *, int);
int irq_to_pcap(struct pcap_chip *, int);
int pcap_adc_async(struct pcap_chip *, u8, u32, u8[], void *, void *);
--
GitLab
From df10d6465f135b1e240ca7eb9565a492cf58be7c Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Sun, 28 Jun 2009 09:26:30 -0700
Subject: [PATCH 574/742] mfd: remove unnecessary semicolons from twl4030
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/twl4030-irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
index 7d430835655f..fb194fe244c1 100644
--- a/drivers/mfd/twl4030-irq.c
+++ b/drivers/mfd/twl4030-irq.c
@@ -424,7 +424,7 @@ static void twl4030_sih_do_edge(struct work_struct *work)
/* see what work we have */
spin_lock_irq(&sih_agent_lock);
edge_change = agent->edge_change;
- agent->edge_change = 0;;
+ agent->edge_change = 0;
sih = edge_change ? agent->sih : NULL;
spin_unlock_irq(&sih_agent_lock);
if (!sih)
--
GitLab
From b75ea16ae74e77244e134943a5676ca770036cac Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 2 Jul 2009 16:43:08 +0100
Subject: [PATCH 575/742] MAINTAINERS: Add entry for Wolfson PMIC drivers
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
MAINTAINERS | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 9117b65f4ae3..fba5e8141a62 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5669,6 +5669,24 @@ S: Supported
F: drivers/input/touchscreen/*wm97*
F: include/linux/wm97xx.h
+WOLFSON MICROELECTRONICS PMIC DRIVERS
+P: Mark Brown
+M: broonie@opensource.wolfsonmicro.com
+L: linux-kernel@vger.kernel.org
+T: git git://opensource.wolfsonmicro.com/linux-2.6-audioplus
+W: http://opensource.wolfsonmicro.com/node/8
+S: Supported
+F: drivers/leds/leds-wm83*.c
+F: drivers/mfd/wm8*.c
+F: drivers/power/wm83*.c
+F: drivers/rtc/rtc-wm83*.c
+F: drivers/regulator/wm8*.c
+F: drivers/watchdog/wm83*_wdt.c
+F: include/linux/mfd/wm8350/
+F: include/linux/mfd/wm8400/
+F: sound/soc/codecs/wm8350.c
+F: sound/soc/codecs/wm8400.c
+
X.25 NETWORK LAYER
M: Henner Eisen <eis@baty.hanse.de>
L: linux-x25@vger.kernel.org
--
GitLab
From 39b1772a24126d74699cea623f96b50ca6b6f08f Mon Sep 17 00:00:00 2001
From: Daniel Ribeiro <drwyrm@gmail.com>
Date: Sat, 27 Jun 2009 00:18:02 -0300
Subject: [PATCH 576/742] regulator: add pcap driver
Add (partial) support for the voltage regulators on the PCAP2 PMIC.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/Kconfig | 7 +
drivers/regulator/Makefile | 1 +
drivers/regulator/pcap-regulator.c | 318 +++++++++++++++++++++++++++++
3 files changed, 326 insertions(+)
create mode 100644 drivers/regulator/pcap-regulator.c
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index f4317798e47c..da7483ef32b3 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -117,4 +117,11 @@ config REGULATOR_LP3971
Say Y here to support the voltage regulators and convertors
on National Semiconductors LP3971 PMIC
+config REGULATOR_PCAP
+ tristate "PCAP2 regulator driver"
+ depends on EZX_PCAP
+ help
+ This driver provides support for the voltage regulators of the
+ PCAP2 PMIC.
+
endif
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 4d762c4cccfd..3a9748ff860b 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -16,5 +16,6 @@ obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
+obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG
diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c
new file mode 100644
index 000000000000..fdb90940ef0f
--- /dev/null
+++ b/drivers/regulator/pcap-regulator.c
@@ -0,0 +1,318 @@
+/*
+ * PCAP2 Regulator Driver
+ *
+ * Copyright (c) 2009 Daniel Ribeiro <drwyrm@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/ezx-pcap.h>
+
+static const u16 V1_table[] = {
+ 2775, 1275, 1600, 1725, 1825, 1925, 2075, 2275,
+};
+
+static const u16 V2_table[] = {
+ 2500, 2775,
+};
+
+static const u16 V3_table[] = {
+ 1075, 1275, 1550, 1725, 1876, 1950, 2075, 2275,
+};
+
+static const u16 V4_table[] = {
+ 1275, 1550, 1725, 1875, 1950, 2075, 2275, 2775,
+};
+
+static const u16 V5_table[] = {
+ 1875, 2275, 2475, 2775,
+};
+
+static const u16 V6_table[] = {
+ 2475, 2775,
+};
+
+static const u16 V7_table[] = {
+ 1875, 2775,
+};
+
+#define V8_table V4_table
+
+static const u16 V9_table[] = {
+ 1575, 1875, 2475, 2775,
+};
+
+static const u16 V10_table[] = {
+ 5000,
+};
+
+static const u16 VAUX1_table[] = {
+ 1875, 2475, 2775, 3000,
+};
+
+#define VAUX2_table VAUX1_table
+
+static const u16 VAUX3_table[] = {
+ 1200, 1200, 1200, 1200, 1400, 1600, 1800, 2000,
+ 2200, 2400, 2600, 2800, 3000, 3200, 3400, 3600,
+};
+
+static const u16 VAUX4_table[] = {
+ 1800, 1800, 3000, 5000,
+};
+
+static const u16 VSIM_table[] = {
+ 1875, 3000,
+};
+
+static const u16 VSIM2_table[] = {
+ 1875,
+};
+
+static const u16 VVIB_table[] = {
+ 1300, 1800, 2000, 3000,
+};
+
+static const u16 SW1_table[] = {
+ 900, 950, 1000, 1050, 1100, 1150, 1200, 1250,
+ 1300, 1350, 1400, 1450, 1500, 1600, 1875, 2250,
+};
+
+#define SW2_table SW1_table
+
+static const u16 SW3_table[] = {
+ 4000, 4500, 5000, 5500,
+};
+
+struct pcap_regulator {
+ const u8 reg;
+ const u8 en;
+ const u8 index;
+ const u8 stby;
+ const u8 lowpwr;
+ const u8 n_voltages;
+ const u16 *voltage_table;
+};
+
+#define NA 0xff
+
+#define VREG_INFO(_vreg, _reg, _en, _index, _stby, _lowpwr) \
+ [_vreg] = { \
+ .reg = _reg, \
+ .en = _en, \
+ .index = _index, \
+ .stby = _stby, \
+ .lowpwr = _lowpwr, \
+ .n_voltages = ARRAY_SIZE(_vreg##_table), \
+ .voltage_table = _vreg##_table, \
+ }
+
+static struct pcap_regulator vreg_table[] = {
+ VREG_INFO(V1, PCAP_REG_VREG1, 1, 2, 18, 0),
+ VREG_INFO(V2, PCAP_REG_VREG1, 5, 6, 19, 22),
+ VREG_INFO(V3, PCAP_REG_VREG1, 7, 8, 20, 23),
+ VREG_INFO(V4, PCAP_REG_VREG1, 11, 12, 21, 24),
+ /* V5 STBY and LOWPWR are on PCAP_REG_VREG2 */
+ VREG_INFO(V5, PCAP_REG_VREG1, 15, 16, 12, 19),
+
+ VREG_INFO(V6, PCAP_REG_VREG2, 1, 2, 14, 20),
+ VREG_INFO(V7, PCAP_REG_VREG2, 3, 4, 15, 21),
+ VREG_INFO(V8, PCAP_REG_VREG2, 5, 6, 16, 22),
+ VREG_INFO(V9, PCAP_REG_VREG2, 9, 10, 17, 23),
+ VREG_INFO(V10, PCAP_REG_VREG2, 10, NA, 18, 24),
+
+ VREG_INFO(VAUX1, PCAP_REG_AUXVREG, 1, 2, 22, 23),
+ /* VAUX2 ... VSIM2 STBY and LOWPWR are on PCAP_REG_LOWPWR */
+ VREG_INFO(VAUX2, PCAP_REG_AUXVREG, 4, 5, 0, 1),
+ VREG_INFO(VAUX3, PCAP_REG_AUXVREG, 7, 8, 2, 3),
+ VREG_INFO(VAUX4, PCAP_REG_AUXVREG, 12, 13, 4, 5),
+ VREG_INFO(VSIM, PCAP_REG_AUXVREG, 17, 18, NA, 6),
+ VREG_INFO(VSIM2, PCAP_REG_AUXVREG, 16, NA, NA, 7),
+ VREG_INFO(VVIB, PCAP_REG_AUXVREG, 19, 20, NA, NA),
+
+ VREG_INFO(SW1, PCAP_REG_SWCTRL, 1, 2, NA, NA),
+ VREG_INFO(SW2, PCAP_REG_SWCTRL, 6, 7, NA, NA),
+ /* SW3 STBY is on PCAP_REG_AUXVREG */
+ VREG_INFO(SW3, PCAP_REG_SWCTRL, 11, 12, 24, NA),
+
+ /* SWxS used to control SWx voltage on standby */
+/* VREG_INFO(SW1S, PCAP_REG_LOWPWR, NA, 12, NA, NA),
+ VREG_INFO(SW2S, PCAP_REG_LOWPWR, NA, 20, NA, NA), */
+};
+
+static int pcap_regulator_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+ void *pcap = rdev_get_drvdata(rdev);
+ int uV;
+ u8 i;
+
+ /* the regulator doesn't support voltage switching */
+ if (vreg->n_voltages == 1)
+ return -EINVAL;
+
+ for (i = 0; i < vreg->n_voltages; i++) {
+ /* For V1 the first is not the best match */
+ if (i == 0 && rdev_get_id(rdev) == V1)
+ i = 1;
+ else if (i + 1 == vreg->n_voltages && rdev_get_id(rdev) == V1)
+ i = 0;
+
+ uV = vreg->voltage_table[i] * 1000;
+ if (min_uV <= uV && uV <= max_uV)
+ return ezx_pcap_set_bits(pcap, vreg->reg,
+ (vreg->n_voltages - 1) << vreg->index,
+ i << vreg->index);
+
+ if (i == 0 && rdev_get_id(rdev) == V1)
+ i = vreg->n_voltages - 1;
+ }
+
+ /* the requested voltage range is not supported by this regulator */
+ return -EINVAL;
+}
+
+static int pcap_regulator_get_voltage(struct regulator_dev *rdev)
+{
+ struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+ void *pcap = rdev_get_drvdata(rdev);
+ u32 tmp;
+ int mV;
+
+ if (vreg->n_voltages == 1)
+ return vreg->voltage_table[0] * 1000;
+
+ ezx_pcap_read(pcap, vreg->reg, &tmp);
+ tmp = ((tmp >> vreg->index) & (vreg->n_voltages - 1));
+ mV = vreg->voltage_table[tmp];
+
+ return mV * 1000;
+}
+
+static int pcap_regulator_enable(struct regulator_dev *rdev)
+{
+ struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+ void *pcap = rdev_get_drvdata(rdev);
+
+ if (vreg->en == NA)
+ return -EINVAL;
+
+ return ezx_pcap_set_bits(pcap, vreg->reg, 1 << vreg->en, 1 << vreg->en);
+}
+
+static int pcap_regulator_disable(struct regulator_dev *rdev)
+{
+ struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+ void *pcap = rdev_get_drvdata(rdev);
+
+ if (vreg->en == NA)
+ return -EINVAL;
+
+ return ezx_pcap_set_bits(pcap, vreg->reg, 1 << vreg->en, 0);
+}
+
+static int pcap_regulator_is_enabled(struct regulator_dev *rdev)
+{
+ struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+ void *pcap = rdev_get_drvdata(rdev);
+ u32 tmp;
+
+ if (vreg->en == NA)
+ return -EINVAL;
+
+ ezx_pcap_read(pcap, vreg->reg, &tmp);
+ return (tmp >> vreg->en) & 1;
+}
+
+static int pcap_regulator_list_voltage(struct regulator_dev *rdev,
+ unsigned int index)
+{
+ struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+
+ return vreg->voltage_table[index] * 1000;
+}
+
+static struct regulator_ops pcap_regulator_ops = {
+ .list_voltage = pcap_regulator_list_voltage,
+ .set_voltage = pcap_regulator_set_voltage,
+ .get_voltage = pcap_regulator_get_voltage,
+ .enable = pcap_regulator_enable,
+ .disable = pcap_regulator_disable,
+ .is_enabled = pcap_regulator_is_enabled,
+};
+
+#define VREG(_vreg) \
+ [_vreg] = { \
+ .name = #_vreg, \
+ .id = _vreg, \
+ .n_voltages = ARRAY_SIZE(_vreg##_table), \
+ .ops = &pcap_regulator_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }
+
+static struct regulator_desc pcap_regulators[] = {
+ VREG(V1), VREG(V2), VREG(V3), VREG(V4), VREG(V5), VREG(V6), VREG(V7),
+ VREG(V8), VREG(V9), VREG(V10), VREG(VAUX1), VREG(VAUX2), VREG(VAUX3),
+ VREG(VAUX4), VREG(VSIM), VREG(VSIM2), VREG(VVIB), VREG(SW1), VREG(SW2),
+};
+
+static int __devinit pcap_regulator_probe(struct platform_device *pdev)
+{
+ struct regulator_dev *rdev;
+ void *pcap = platform_get_drvdata(pdev);
+
+ rdev = regulator_register(&pcap_regulators[pdev->id], &pdev->dev,
+ pdev->dev.platform_data, pcap);
+ if (IS_ERR(rdev))
+ return PTR_ERR(rdev);
+
+ platform_set_drvdata(pdev, rdev);
+
+ return 0;
+}
+
+static int __devexit pcap_regulator_remove(struct platform_device *pdev)
+{
+ struct regulator_dev *rdev = platform_get_drvdata(pdev);
+
+ regulator_unregister(rdev);
+
+ return 0;
+}
+
+static struct platform_driver pcap_regulator_driver = {
+ .driver = {
+ .name = "pcap-regulator",
+ },
+ .probe = pcap_regulator_probe,
+ .remove = __devexit_p(pcap_regulator_remove),
+};
+
+static int __init pcap_regulator_init(void)
+{
+ return platform_driver_register(&pcap_regulator_driver);
+}
+
+static void __exit pcap_regulator_exit(void)
+{
+ platform_driver_unregister(&pcap_regulator_driver);
+}
+
+module_init(pcap_regulator_init);
+module_exit(pcap_regulator_exit);
+
+MODULE_AUTHOR("Daniel Ribeiro <drwyrm@gmail.com>");
+MODULE_DESCRIPTION("PCAP2 Regulator Driver");
+MODULE_LICENSE("GPL");
--
GitLab
From fb6c023a2b845df1ec383b74644ac35a4bbb76b6 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 20 Jul 2009 12:43:45 +0100
Subject: [PATCH 577/742] hwmon: Add WM835x PMIC hardware monitoring driver
This driver provides reporting of the status supply voltage rails
of the WM835x series of PMICs via the hwmon API.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
Documentation/hwmon/wm8350 | 26 ++++++
drivers/hwmon/Kconfig | 10 +++
drivers/hwmon/Makefile | 1 +
drivers/hwmon/wm8350-hwmon.c | 151 ++++++++++++++++++++++++++++++++
drivers/mfd/wm8350-core.c | 3 +
include/linux/mfd/wm8350/core.h | 6 ++
6 files changed, 197 insertions(+)
create mode 100644 Documentation/hwmon/wm8350
create mode 100644 drivers/hwmon/wm8350-hwmon.c
diff --git a/Documentation/hwmon/wm8350 b/Documentation/hwmon/wm8350
new file mode 100644
index 000000000000..98f923bd2e92
--- /dev/null
+++ b/Documentation/hwmon/wm8350
@@ -0,0 +1,26 @@
+Kernel driver wm8350-hwmon
+==========================
+
+Supported chips:
+ * Wolfson Microelectronics WM835x PMICs
+ Prefix: 'wm8350'
+ Datasheet:
+ http://www.wolfsonmicro.com/products/WM8350
+ http://www.wolfsonmicro.com/products/WM8351
+ http://www.wolfsonmicro.com/products/WM8352
+
+Authors: Mark Brown <broonie@opensource.wolfsonmicro.com>
+
+Description
+-----------
+
+The WM835x series of PMICs include an AUXADC which can be used to
+monitor a range of system operating parameters, including the voltages
+of the major supplies within the system. Currently the driver provides
+simple access to these major supplies.
+
+Voltage Monitoring
+------------------
+
+Voltages are sampled by a 12 bit ADC. For the internal supplies the ADC
+is referenced to the system VRTC.
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 2e25b7a827d3..120085ce651a 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -937,6 +937,16 @@ config SENSORS_W83627EHF
This driver can also be built as a module. If so, the module
will be called w83627ehf.
+config SENSORS_WM8350
+ tristate "Wolfson Microelectronics WM835x"
+ depends on MFD_WM8350
+ help
+ If you say yes here you get support for the hardware
+ monitoring features of the WM835x series of PMICs.
+
+ This driver can also be built as a module. If so, the module
+ will be called wm8350-hwmon.
+
config SENSORS_ULTRA45
tristate "Sun Ultra45 PIC16F747"
depends on SPARC64
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 7f239a247c33..ed5f1781b8c4 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -90,6 +90,7 @@ obj-$(CONFIG_SENSORS_VT8231) += vt8231.o
obj-$(CONFIG_SENSORS_W83627EHF) += w83627ehf.o
obj-$(CONFIG_SENSORS_W83L785TS) += w83l785ts.o
obj-$(CONFIG_SENSORS_W83L786NG) += w83l786ng.o
+obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o
ifeq ($(CONFIG_HWMON_DEBUG_CHIP),y)
EXTRA_CFLAGS += -DDEBUG
diff --git a/drivers/hwmon/wm8350-hwmon.c b/drivers/hwmon/wm8350-hwmon.c
new file mode 100644
index 000000000000..13290595ca86
--- /dev/null
+++ b/drivers/hwmon/wm8350-hwmon.c
@@ -0,0 +1,151 @@
+/*
+ * drivers/hwmon/wm8350-hwmon.c - Wolfson Microelectronics WM8350 PMIC
+ * hardware monitoring features.
+ *
+ * Copyright (C) 2009 Wolfson Microelectronics plc
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License v2 as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+
+#include <linux/mfd/wm8350/core.h>
+#include <linux/mfd/wm8350/comparator.h>
+
+static ssize_t show_name(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "wm8350\n");
+}
+
+static const char *input_names[] = {
+ [WM8350_AUXADC_USB] = "USB",
+ [WM8350_AUXADC_LINE] = "Line",
+ [WM8350_AUXADC_BATT] = "Battery",
+};
+
+
+static ssize_t show_voltage(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct wm8350 *wm8350 = dev_get_drvdata(dev);
+ int channel = to_sensor_dev_attr(attr)->index;
+ int val;
+
+ val = wm8350_read_auxadc(wm8350, channel, 0, 0) * WM8350_AUX_COEFF;
+ val = DIV_ROUND_CLOSEST(val, 1000);
+
+ return sprintf(buf, "%d\n", val);
+}
+
+static ssize_t show_label(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int channel = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%s\n", input_names[channel]);
+}
+
+#define WM8350_NAMED_VOLTAGE(id, name) \
+ static SENSOR_DEVICE_ATTR(in##id##_input, S_IRUGO, show_voltage,\
+ NULL, name); \
+ static SENSOR_DEVICE_ATTR(in##id##_label, S_IRUGO, show_label, \
+ NULL, name)
+
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+
+WM8350_NAMED_VOLTAGE(0, WM8350_AUXADC_USB);
+WM8350_NAMED_VOLTAGE(1, WM8350_AUXADC_BATT);
+WM8350_NAMED_VOLTAGE(2, WM8350_AUXADC_LINE);
+
+static struct attribute *wm8350_attributes[] = {
+ &dev_attr_name.attr,
+
+ &sensor_dev_attr_in0_input.dev_attr.attr,
+ &sensor_dev_attr_in0_label.dev_attr.attr,
+ &sensor_dev_attr_in1_input.dev_attr.attr,
+ &sensor_dev_attr_in1_label.dev_attr.attr,
+ &sensor_dev_attr_in2_input.dev_attr.attr,
+ &sensor_dev_attr_in2_label.dev_attr.attr,
+
+ NULL,
+};
+
+static const struct attribute_group wm8350_attr_group = {
+ .attrs = wm8350_attributes,
+};
+
+static int __devinit wm8350_hwmon_probe(struct platform_device *pdev)
+{
+ struct wm8350 *wm8350 = platform_get_drvdata(pdev);
+ int ret;
+
+ ret = sysfs_create_group(&pdev->dev.kobj, &wm8350_attr_group);
+ if (ret)
+ goto err;
+
+ wm8350->hwmon.classdev = hwmon_device_register(&pdev->dev);
+ if (IS_ERR(wm8350->hwmon.classdev)) {
+ ret = PTR_ERR(wm8350->hwmon.classdev);
+ goto err_group;
+ }
+
+ return 0;
+
+err_group:
+ sysfs_remove_group(&pdev->dev.kobj, &wm8350_attr_group);
+err:
+ return ret;
+}
+
+static int __devexit wm8350_hwmon_remove(struct platform_device *pdev)
+{
+ struct wm8350 *wm8350 = platform_get_drvdata(pdev);
+
+ hwmon_device_unregister(wm8350->hwmon.classdev);
+ sysfs_remove_group(&pdev->dev.kobj, &wm8350_attr_group);
+
+ return 0;
+}
+
+static struct platform_driver wm8350_hwmon_driver = {
+ .probe = wm8350_hwmon_probe,
+ .remove = __devexit_p(wm8350_hwmon_remove),
+ .driver = {
+ .name = "wm8350-hwmon",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init wm8350_hwmon_init(void)
+{
+ return platform_driver_register(&wm8350_hwmon_driver);
+}
+module_init(wm8350_hwmon_init);
+
+static void __exit wm8350_hwmon_exit(void)
+{
+ platform_driver_unregister(&wm8350_hwmon_driver);
+}
+module_exit(wm8350_hwmon_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("WM8350 Hardware Monitoring");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm8350-hwmon");
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index fe24079387c5..9d662a576a41 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -1472,6 +1472,8 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
&(wm8350->codec.pdev));
wm8350_client_dev_register(wm8350, "wm8350-gpio",
&(wm8350->gpio.pdev));
+ wm8350_client_dev_register(wm8350, "wm8350-hwmon",
+ &(wm8350->hwmon.pdev));
wm8350_client_dev_register(wm8350, "wm8350-power",
&(wm8350->power.pdev));
wm8350_client_dev_register(wm8350, "wm8350-rtc", &(wm8350->rtc.pdev));
@@ -1498,6 +1500,7 @@ void wm8350_device_exit(struct wm8350 *wm8350)
platform_device_unregister(wm8350->wdt.pdev);
platform_device_unregister(wm8350->rtc.pdev);
platform_device_unregister(wm8350->power.pdev);
+ platform_device_unregister(wm8350->hwmon.pdev);
platform_device_unregister(wm8350->gpio.pdev);
platform_device_unregister(wm8350->codec.pdev);
diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h
index 42cca672f340..969b0b55615c 100644
--- a/include/linux/mfd/wm8350/core.h
+++ b/include/linux/mfd/wm8350/core.h
@@ -605,6 +605,11 @@ struct wm8350_irq {
void *data;
};
+struct wm8350_hwmon {
+ struct platform_device *pdev;
+ struct device *classdev;
+};
+
struct wm8350 {
struct device *dev;
@@ -629,6 +634,7 @@ struct wm8350 {
/* Client devices */
struct wm8350_codec codec;
struct wm8350_gpio gpio;
+ struct wm8350_hwmon hwmon;
struct wm8350_pmic pmic;
struct wm8350_power power;
struct wm8350_rtc rtc;
--
GitLab
From 9c3664ddcee8d56c54bc6a735bbc3cf77723d85d Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Mon, 3 Aug 2009 18:16:38 +0200
Subject: [PATCH 578/742] mfd: Add twl4030-pwrbutton as a twl4030 child
Make that twl4030-pwrbutton.c driver probe with current
child creation api for twl4030.
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/twl4030-core.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index ca54996ffd0e..1fd2620819d0 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -115,6 +115,12 @@
#define TWL4030_NUM_SLAVES 4
+#if defined(CONFIG_INPUT_TWL4030_PWRBUTTON) \
+ || defined(CONFIG_INPUT_TWL4030_PWBUTTON_MODULE)
+#define twl_has_pwrbutton() true
+#else
+#define twl_has_pwrbutton() false
+#endif
/* Base Address defns for twl4030_map[] */
@@ -538,6 +544,13 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
return PTR_ERR(child);
}
+ if (twl_has_pwrbutton()) {
+ child = add_child(1, "twl4030_pwrbutton",
+ NULL, 0, true, pdata->irq_base + 8 + 0, 0);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ }
+
if (twl_has_regulator()) {
/*
child = add_regulator(TWL4030_REG_VPLL1, pdata->vpll1);
--
GitLab
From ed52e62ebec9e703eb0b69704feaf1b6e847d882 Mon Sep 17 00:00:00 2001
From: Paul Fertser <fercerpav@gmail.com>
Date: Tue, 28 Jul 2009 00:41:15 +0400
Subject: [PATCH 579/742] mfd: use a dedicated workqueue for pcf50633 irq
processing
Using the default kernel "events" workqueue causes problems with
synchronous adc readings if initiated from some task on the same
workqueue.
I had a deadlock trying to use pcf50633_adc_sync_read from a
power_supply class driver because the reading was initiated from the
workqueue and it waited for the irq processing to complete (to get the
result) and that was put on the same workqueue.
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/pcf50633-core.c | 5 ++++-
include/linux/mfd/pcf50633/core.h | 1 +
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 8d3c38bf9714..d26d7747175e 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -444,7 +444,7 @@ static irqreturn_t pcf50633_irq(int irq, void *data)
get_device(pcf->dev);
disable_irq_nosync(pcf->irq);
- schedule_work(&pcf->irq_work);
+ queue_work(pcf->work_queue, &pcf->irq_work);
return IRQ_HANDLED;
}
@@ -575,6 +575,7 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
pcf->dev = &client->dev;
pcf->i2c_client = client;
pcf->irq = client->irq;
+ pcf->work_queue = create_singlethread_workqueue("pcf50633");
INIT_WORK(&pcf->irq_work, pcf50633_irq_worker);
@@ -651,6 +652,7 @@ static int __devinit pcf50633_probe(struct i2c_client *client,
return 0;
err:
+ destroy_workqueue(pcf->work_queue);
kfree(pcf);
return ret;
}
@@ -661,6 +663,7 @@ static int __devexit pcf50633_remove(struct i2c_client *client)
int i;
free_irq(pcf->irq, pcf);
+ destroy_workqueue(pcf->work_queue);
platform_device_unregister(pcf->input_pdev);
platform_device_unregister(pcf->rtc_pdev);
diff --git a/include/linux/mfd/pcf50633/core.h b/include/linux/mfd/pcf50633/core.h
index c8f51c3c0a72..9aba7b779fbc 100644
--- a/include/linux/mfd/pcf50633/core.h
+++ b/include/linux/mfd/pcf50633/core.h
@@ -136,6 +136,7 @@ struct pcf50633 {
int irq;
struct pcf50633_irq irq_handler[PCF50633_NUM_IRQ];
struct work_struct irq_work;
+ struct workqueue_struct *work_queue;
struct mutex lock;
u8 mask_regs[5];
--
GitLab
From bd8ef10261d7ae92ad2b4925afd2b56f46175c47 Mon Sep 17 00:00:00 2001
From: Paul Fertser <fercerpav@gmail.com>
Date: Tue, 28 Jul 2009 00:58:48 +0400
Subject: [PATCH 580/742] mfd: revise locking for pcf50633 ADC
Current implementation is prone to races, this patch attempts to remove all
but one (in pcf50633_adc_sync_read).
The idea is that we need to guard the queue access only on inserting and
removing items. If we insert and there're no more items in the queue it
means that the last irq already happened and we need to trigger ADC
manually. If not, then the next conversion will be triggered by the irq
handler upon completion of the previous.
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/pcf50633-adc.c | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/mfd/pcf50633-adc.c b/drivers/mfd/pcf50633-adc.c
index c2d05becfa97..3d31e97d6a45 100644
--- a/drivers/mfd/pcf50633-adc.c
+++ b/drivers/mfd/pcf50633-adc.c
@@ -73,15 +73,10 @@ static void trigger_next_adc_job_if_any(struct pcf50633 *pcf)
struct pcf50633_adc *adc = __to_adc(pcf);
int head;
- mutex_lock(&adc->queue_mutex);
-
head = adc->queue_head;
- if (!adc->queue[head]) {
- mutex_unlock(&adc->queue_mutex);
+ if (!adc->queue[head])
return;
- }
- mutex_unlock(&adc->queue_mutex);
adc_setup(pcf, adc->queue[head]->mux, adc->queue[head]->avg);
}
@@ -99,16 +94,17 @@ adc_enqueue_request(struct pcf50633 *pcf, struct pcf50633_adc_request *req)
if (adc->queue[tail]) {
mutex_unlock(&adc->queue_mutex);
+ dev_err(pcf->dev, "ADC queue is full, dropping request\n");
return -EBUSY;
}
adc->queue[tail] = req;
+ if (head == tail)
+ trigger_next_adc_job_if_any(pcf);
adc->queue_tail = (tail + 1) & (PCF50633_MAX_ADC_FIFO_DEPTH - 1);
mutex_unlock(&adc->queue_mutex);
- trigger_next_adc_job_if_any(pcf);
-
return 0;
}
@@ -124,6 +120,7 @@ pcf50633_adc_sync_read_callback(struct pcf50633 *pcf, void *param, int result)
int pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg)
{
struct pcf50633_adc_request *req;
+ int err;
/* req is freed when the result is ready, in interrupt handler */
req = kzalloc(sizeof(*req), GFP_KERNEL);
@@ -136,9 +133,13 @@ int pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg)
req->callback_param = req;
init_completion(&req->completion);
- adc_enqueue_request(pcf, req);
+ err = adc_enqueue_request(pcf, req);
+ if (err)
+ return err;
+
wait_for_completion(&req->completion);
+ /* FIXME by this time req might be already freed */
return req->result;
}
EXPORT_SYMBOL_GPL(pcf50633_adc_sync_read);
@@ -159,9 +160,7 @@ int pcf50633_adc_async_read(struct pcf50633 *pcf, int mux, int avg,
req->callback = callback;
req->callback_param = callback_param;
- adc_enqueue_request(pcf, req);
-
- return 0;
+ return adc_enqueue_request(pcf, req);
}
EXPORT_SYMBOL_GPL(pcf50633_adc_async_read);
@@ -184,7 +183,7 @@ static void pcf50633_adc_irq(int irq, void *data)
struct pcf50633_adc *adc = data;
struct pcf50633 *pcf = adc->pcf;
struct pcf50633_adc_request *req;
- int head;
+ int head, res;
mutex_lock(&adc->queue_mutex);
head = adc->queue_head;
@@ -199,12 +198,13 @@ static void pcf50633_adc_irq(int irq, void *data)
adc->queue_head = (head + 1) &
(PCF50633_MAX_ADC_FIFO_DEPTH - 1);
+ res = adc_result(pcf);
+ trigger_next_adc_job_if_any(pcf);
+
mutex_unlock(&adc->queue_mutex);
- req->callback(pcf, req->callback_param, adc_result(pcf));
+ req->callback(pcf, req->callback_param, res);
kfree(req);
-
- trigger_next_adc_job_if_any(pcf);
}
static int __devinit pcf50633_adc_probe(struct platform_device *pdev)
--
GitLab
From 8d360d8c03e1e8514bbaf606b1cd3b818dfc445d Mon Sep 17 00:00:00 2001
From: Paul Fertser <fercerpav@gmail.com>
Date: Tue, 28 Jul 2009 01:09:04 +0400
Subject: [PATCH 581/742] mfd: fix wrong define for 10bit pcf50633 ADC mode
The 10 bits definition was the 8 bits one.
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
include/linux/mfd/pcf50633/adc.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/mfd/pcf50633/adc.h b/include/linux/mfd/pcf50633/adc.h
index 56669b4183ad..b35e62801ffa 100644
--- a/include/linux/mfd/pcf50633/adc.h
+++ b/include/linux/mfd/pcf50633/adc.h
@@ -25,7 +25,8 @@
#define PCF50633_REG_ADCS3 0x57
#define PCF50633_ADCC1_ADCSTART 0x01
-#define PCF50633_ADCC1_RES_10BIT 0x02
+#define PCF50633_ADCC1_RES_8BIT 0x02
+#define PCF50633_ADCC1_RES_10BIT 0x00
#define PCF50633_ADCC1_AVERAGE_NO 0x00
#define PCF50633_ADCC1_AVERAGE_4 0x04
#define PCF50633_ADCC1_AVERAGE_8 0x08
--
GitLab
From 89a99e76f6888166edb145f576cc4a761ee0e0a9 Mon Sep 17 00:00:00 2001
From: Vipin Bhandari <vipin.bhandari@ti.com>
Date: Thu, 30 Jul 2009 04:19:17 -0400
Subject: [PATCH 582/742] mfd: Correct ro and cd implemantion on DM355
This patch corrects the support for MMCSD card detection
and read only feature for SoC DM355.
EVMDM355_ECP_VA4.pdf, from Spectrum digital, suggests that
Bit 2 and 4 should be checked for card detection. However
on the EVM, bits 1 and 3 gives this status, for MMC/SD
instance 0 and 1 respectively. The pdf also suggests that
Bit 1 and 3 should be checked for write protection. However
on the EVM bits 2 and 4 gives this status.
This document can be downloaded from
http://c6000.spectrumdigital.com/evmdm355/reve/files/EVMDM355_ECP_VA4.pdf
Signed-off-by: Vipin Bhandari <vipin.bhandari@ti.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/dm355evm_msp.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/mfd/dm355evm_msp.c b/drivers/mfd/dm355evm_msp.c
index 5b6e58a3ba46..3d4a861976ca 100644
--- a/drivers/mfd/dm355evm_msp.c
+++ b/drivers/mfd/dm355evm_msp.c
@@ -107,8 +107,16 @@ static const u8 msp_gpios[] = {
MSP_GPIO(2, SWITCH1), MSP_GPIO(3, SWITCH1),
MSP_GPIO(4, SWITCH1),
/* switches on MMC/SD sockets */
- MSP_GPIO(1, SDMMC), MSP_GPIO(2, SDMMC), /* mmc0 WP, nCD */
- MSP_GPIO(3, SDMMC), MSP_GPIO(4, SDMMC), /* mmc1 WP, nCD */
+ /*
+ * Note: EVMDM355_ECP_VA4.pdf suggests that Bit 2 and 4 should be
+ * checked for card detection. However on the EVM bit 1 and 3 gives
+ * this status, for 0 and 1 instance respectively. The pdf also
+ * suggests that Bit 1 and 3 should be checked for write protection.
+ * However on the EVM bit 2 and 4 gives this status,for 0 and 1
+ * instance respectively.
+ */
+ MSP_GPIO(2, SDMMC), MSP_GPIO(1, SDMMC), /* mmc0 WP, nCD */
+ MSP_GPIO(4, SDMMC), MSP_GPIO(3, SDMMC), /* mmc1 WP, nCD */
};
#define MSP_GPIO_REG(offset) (msp_gpios[(offset)] >> 3)
--
GitLab
From 327bc3a3efa408fb285948bfef112a6c58dfb375 Mon Sep 17 00:00:00 2001
From: Daniel Ribeiro <drwyrm@gmail.com>
Date: Fri, 31 Jul 2009 12:38:02 +0200
Subject: [PATCH 583/742] mfd: Remove VIB defines from pcap header file
Vibrator will be accessed via the pcap-regulator driver, no need to expose its
bits in the header file.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
include/linux/mfd/ezx-pcap.h | 4 ----
1 file changed, 4 deletions(-)
diff --git a/include/linux/mfd/ezx-pcap.h b/include/linux/mfd/ezx-pcap.h
index dec82b0b05f9..e5124ceea769 100644
--- a/include/linux/mfd/ezx-pcap.h
+++ b/include/linux/mfd/ezx-pcap.h
@@ -227,7 +227,6 @@ void pcap_set_ts_bits(struct pcap_chip *, u32);
#define PCAP_LED1 1
#define PCAP_BL0 2
#define PCAP_BL1 3
-#define PCAP_VIB 4
#define PCAP_LED_3MA 0
#define PCAP_LED_4MA 1
#define PCAP_LED_5MA 2
@@ -246,9 +245,6 @@ void pcap_set_ts_bits(struct pcap_chip *, u32);
#define PCAP_LED0_C_SHIFT 15
#define PCAP_LED1_C_SHIFT 17
#define PCAP_BL1_SHIFT 20
-#define PCAP_VIB_MASK 0x3
-#define PCAP_VIB_SHIFT 20
-#define PCAP_VIB_EN (1 << 19)
/* RTC */
#define PCAP_RTC_DAY_MASK 0x3fff
--
GitLab
From f078237bcf6d5ffe322f6de7f05c0541989a8d35 Mon Sep 17 00:00:00 2001
From: Antonio Ospite <ospite@studenti.unina.it>
Date: Fri, 31 Jul 2009 15:55:45 -0700
Subject: [PATCH 584/742] mfd: register ezx-pcap earlier
Register ezx-pcap earlier so it can be used with cpufreq
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ezx-pcap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index 86d394894d81..016be4938e4c 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -542,7 +542,7 @@ static void __exit ezx_pcap_exit(void)
spi_unregister_driver(&ezxpcap_driver);
}
-module_init(ezx_pcap_init);
+subsys_initcall(ezx_pcap_init);
module_exit(ezx_pcap_exit);
MODULE_LICENSE("GPL");
--
GitLab
From 3bed6e415fc2cbf8d706848a62a48aebe84435e5 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 27 Jul 2009 14:45:51 +0100
Subject: [PATCH 585/742] mfd: Allow multiple MFD cells with the same name
Provide basic support for MFDs having multiple cells of a given
type with different IDs by adding an id to the mfd_cell structure
and then adding that to the id passed in to mfd_add_devices().
As it stands this approach requires that MFDs using this feature
deal with ensuring that there aren't any ID collisions resulting
from multiple MFDs of the same type being instantiated. This needs
to happen with the existing code too, but with this approach there
is a knock on effect on the IDs for non-duplicated devices.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/mfd-core.c | 2 +-
include/linux/mfd/core.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 54ddf3772e0c..ae15e495e20e 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -25,7 +25,7 @@ static int mfd_add_device(struct device *parent, int id,
int ret = -ENOMEM;
int r;
- pdev = platform_device_alloc(cell->name, id);
+ pdev = platform_device_alloc(cell->name, id + cell->id);
if (!pdev)
goto fail_alloc;
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
index 49ef857cdb2d..11d740b8831d 100644
--- a/include/linux/mfd/core.h
+++ b/include/linux/mfd/core.h
@@ -23,6 +23,7 @@
*/
struct mfd_cell {
const char *name;
+ int id;
int (*enable)(struct platform_device *dev);
int (*disable)(struct platform_device *dev);
--
GitLab
From d2bedfe7a8b2f34beee2cad9cae74a088ee8ed07 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 27 Jul 2009 14:45:52 +0100
Subject: [PATCH 586/742] mfd: Initial core support for WM831x series devices
The WM831x series of devices are register compatible processor power
management subsystems, providing regulator and power path management
facilities along with other services like watchdog, RTC and touch
panel controllers.
This patch adds very basic support, providing basic single register
I2C access, handling of the security key and registration of the
devices.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/wm831x-core.c | 1357 ++++++++++++++++++++++++++++++
include/linux/mfd/wm831x/core.h | 247 ++++++
include/linux/mfd/wm831x/pdata.h | 107 +++
3 files changed, 1711 insertions(+)
create mode 100644 drivers/mfd/wm831x-core.c
create mode 100644 include/linux/mfd/wm831x/core.h
create mode 100644 include/linux/mfd/wm831x/pdata.h
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
new file mode 100644
index 000000000000..cc1040c9d46c
--- /dev/null
+++ b/drivers/mfd/wm831x-core.c
@@ -0,0 +1,1357 @@
+/*
+ * wm831x-core.c -- Device access for Wolfson WM831x PMICs
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/mfd/core.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/pdata.h>
+
+enum wm831x_parent {
+ WM8310 = 0,
+ WM8311 = 1,
+ WM8312 = 2,
+};
+
+static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg)
+{
+ if (!wm831x->locked)
+ return 0;
+
+ switch (reg) {
+ case WM831X_WATCHDOG:
+ case WM831X_DC4_CONTROL:
+ case WM831X_ON_PIN_CONTROL:
+ case WM831X_BACKUP_CHARGER_CONTROL:
+ case WM831X_CHARGER_CONTROL_1:
+ case WM831X_CHARGER_CONTROL_2:
+ return 1;
+
+ default:
+ return 0;
+ }
+}
+
+/**
+ * wm831x_reg_unlock: Unlock user keyed registers
+ *
+ * The WM831x has a user key preventing writes to particularly
+ * critical registers. This function locks those registers,
+ * allowing writes to them.
+ */
+void wm831x_reg_lock(struct wm831x *wm831x)
+{
+ int ret;
+
+ ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0);
+ if (ret == 0) {
+ dev_vdbg(wm831x->dev, "Registers locked\n");
+
+ mutex_lock(&wm831x->io_lock);
+ WARN_ON(wm831x->locked);
+ wm831x->locked = 1;
+ mutex_unlock(&wm831x->io_lock);
+ } else {
+ dev_err(wm831x->dev, "Failed to lock registers: %d\n", ret);
+ }
+
+}
+EXPORT_SYMBOL_GPL(wm831x_reg_lock);
+
+/**
+ * wm831x_reg_unlock: Unlock user keyed registers
+ *
+ * The WM831x has a user key preventing writes to particularly
+ * critical registers. This function locks those registers,
+ * preventing spurious writes.
+ */
+int wm831x_reg_unlock(struct wm831x *wm831x)
+{
+ int ret;
+
+ /* 0x9716 is the value required to unlock the registers */
+ ret = wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0x9716);
+ if (ret == 0) {
+ dev_vdbg(wm831x->dev, "Registers unlocked\n");
+
+ mutex_lock(&wm831x->io_lock);
+ WARN_ON(!wm831x->locked);
+ wm831x->locked = 0;
+ mutex_unlock(&wm831x->io_lock);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(wm831x_reg_unlock);
+
+static int wm831x_read(struct wm831x *wm831x, unsigned short reg,
+ int bytes, void *dest)
+{
+ int ret, i;
+ u16 *buf = dest;
+
+ BUG_ON(bytes % 2);
+ BUG_ON(bytes <= 0);
+
+ ret = wm831x->read_dev(wm831x, reg, bytes, dest);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < bytes / 2; i++) {
+ buf[i] = be16_to_cpu(buf[i]);
+
+ dev_vdbg(wm831x->dev, "Read %04x from R%d(0x%x)\n",
+ buf[i], reg + i, reg + i);
+ }
+
+ return 0;
+}
+
+/**
+ * wm831x_reg_read: Read a single WM831x register.
+ *
+ * @wm831x: Device to read from.
+ * @reg: Register to read.
+ */
+int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg)
+{
+ unsigned short val;
+ int ret;
+
+ mutex_lock(&wm831x->io_lock);
+
+ ret = wm831x_read(wm831x, reg, 2, &val);
+
+ mutex_unlock(&wm831x->io_lock);
+
+ if (ret < 0)
+ return ret;
+ else
+ return val;
+}
+EXPORT_SYMBOL_GPL(wm831x_reg_read);
+
+/**
+ * wm831x_bulk_read: Read multiple WM831x registers
+ *
+ * @wm831x: Device to read from
+ * @reg: First register
+ * @count: Number of registers
+ * @buf: Buffer to fill.
+ */
+int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg,
+ int count, u16 *buf)
+{
+ int ret;
+
+ mutex_lock(&wm831x->io_lock);
+
+ ret = wm831x_read(wm831x, reg, count * 2, buf);
+
+ mutex_unlock(&wm831x->io_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(wm831x_bulk_read);
+
+static int wm831x_write(struct wm831x *wm831x, unsigned short reg,
+ int bytes, void *src)
+{
+ u16 *buf = src;
+ int i;
+
+ BUG_ON(bytes % 2);
+ BUG_ON(bytes <= 0);
+
+ for (i = 0; i < bytes / 2; i++) {
+ if (wm831x_reg_locked(wm831x, reg))
+ return -EPERM;
+
+ dev_vdbg(wm831x->dev, "Write %04x to R%d(0x%x)\n",
+ buf[i], reg + i, reg + i);
+
+ buf[i] = cpu_to_be16(buf[i]);
+ }
+
+ return wm831x->write_dev(wm831x, reg, bytes, src);
+}
+
+/**
+ * wm831x_reg_write: Write a single WM831x register.
+ *
+ * @wm831x: Device to write to.
+ * @reg: Register to write to.
+ * @val: Value to write.
+ */
+int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg,
+ unsigned short val)
+{
+ int ret;
+
+ mutex_lock(&wm831x->io_lock);
+
+ ret = wm831x_write(wm831x, reg, 2, &val);
+
+ mutex_unlock(&wm831x->io_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(wm831x_reg_write);
+
+/**
+ * wm831x_set_bits: Set the value of a bitfield in a WM831x register
+ *
+ * @wm831x: Device to write to.
+ * @reg: Register to write to.
+ * @mask: Mask of bits to set.
+ * @val: Value to set (unshifted)
+ */
+int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
+ unsigned short mask, unsigned short val)
+{
+ int ret;
+ u16 r;
+
+ mutex_lock(&wm831x->io_lock);
+
+ ret = wm831x_read(wm831x, reg, 2, &r);
+ if (ret < 0)
+ goto out;
+
+ r &= ~mask;
+ r |= val;
+
+ ret = wm831x_write(wm831x, reg, 2, &r);
+
+out:
+ mutex_unlock(&wm831x->io_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(wm831x_set_bits);
+
+static struct resource wm831x_dcdc1_resources[] = {
+ {
+ .start = WM831X_DC1_CONTROL_1,
+ .end = WM831X_DC1_DVS_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_DC1,
+ .end = WM831X_IRQ_UV_DC1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "HC",
+ .start = WM831X_IRQ_HC_DC1,
+ .end = WM831X_IRQ_HC_DC1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+
+static struct resource wm831x_dcdc2_resources[] = {
+ {
+ .start = WM831X_DC2_CONTROL_1,
+ .end = WM831X_DC2_DVS_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_DC2,
+ .end = WM831X_IRQ_UV_DC2,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "HC",
+ .start = WM831X_IRQ_HC_DC2,
+ .end = WM831X_IRQ_HC_DC2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_dcdc3_resources[] = {
+ {
+ .start = WM831X_DC3_CONTROL_1,
+ .end = WM831X_DC3_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_DC3,
+ .end = WM831X_IRQ_UV_DC3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_dcdc4_resources[] = {
+ {
+ .start = WM831X_DC4_CONTROL,
+ .end = WM831X_DC4_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_DC4,
+ .end = WM831X_IRQ_UV_DC4,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_gpio_resources[] = {
+ {
+ .start = WM831X_IRQ_GPIO_1,
+ .end = WM831X_IRQ_GPIO_16,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_isink1_resources[] = {
+ {
+ .start = WM831X_CURRENT_SINK_1,
+ .end = WM831X_CURRENT_SINK_1,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .start = WM831X_IRQ_CS1,
+ .end = WM831X_IRQ_CS1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_isink2_resources[] = {
+ {
+ .start = WM831X_CURRENT_SINK_2,
+ .end = WM831X_CURRENT_SINK_2,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .start = WM831X_IRQ_CS2,
+ .end = WM831X_IRQ_CS2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo1_resources[] = {
+ {
+ .start = WM831X_LDO1_CONTROL,
+ .end = WM831X_LDO1_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_LDO1,
+ .end = WM831X_IRQ_UV_LDO1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo2_resources[] = {
+ {
+ .start = WM831X_LDO2_CONTROL,
+ .end = WM831X_LDO2_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_LDO2,
+ .end = WM831X_IRQ_UV_LDO2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo3_resources[] = {
+ {
+ .start = WM831X_LDO3_CONTROL,
+ .end = WM831X_LDO3_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_LDO3,
+ .end = WM831X_IRQ_UV_LDO3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo4_resources[] = {
+ {
+ .start = WM831X_LDO4_CONTROL,
+ .end = WM831X_LDO4_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_LDO4,
+ .end = WM831X_IRQ_UV_LDO4,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo5_resources[] = {
+ {
+ .start = WM831X_LDO5_CONTROL,
+ .end = WM831X_LDO5_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_LDO5,
+ .end = WM831X_IRQ_UV_LDO5,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo6_resources[] = {
+ {
+ .start = WM831X_LDO6_CONTROL,
+ .end = WM831X_LDO6_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_LDO6,
+ .end = WM831X_IRQ_UV_LDO6,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo7_resources[] = {
+ {
+ .start = WM831X_LDO7_CONTROL,
+ .end = WM831X_LDO7_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_LDO7,
+ .end = WM831X_IRQ_UV_LDO7,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo8_resources[] = {
+ {
+ .start = WM831X_LDO8_CONTROL,
+ .end = WM831X_LDO8_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_LDO8,
+ .end = WM831X_IRQ_UV_LDO8,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo9_resources[] = {
+ {
+ .start = WM831X_LDO9_CONTROL,
+ .end = WM831X_LDO9_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_LDO9,
+ .end = WM831X_IRQ_UV_LDO9,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo10_resources[] = {
+ {
+ .start = WM831X_LDO10_CONTROL,
+ .end = WM831X_LDO10_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .name = "UV",
+ .start = WM831X_IRQ_UV_LDO10,
+ .end = WM831X_IRQ_UV_LDO10,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_ldo11_resources[] = {
+ {
+ .start = WM831X_LDO11_ON_CONTROL,
+ .end = WM831X_LDO11_SLEEP_CONTROL,
+ .flags = IORESOURCE_IO,
+ },
+};
+
+static struct resource wm831x_on_resources[] = {
+ {
+ .start = WM831X_IRQ_ON,
+ .end = WM831X_IRQ_ON,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+
+static struct resource wm831x_power_resources[] = {
+ {
+ .name = "SYSLO",
+ .start = WM831X_IRQ_PPM_SYSLO,
+ .end = WM831X_IRQ_PPM_SYSLO,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "PWR SRC",
+ .start = WM831X_IRQ_PPM_PWR_SRC,
+ .end = WM831X_IRQ_PPM_PWR_SRC,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "USB CURR",
+ .start = WM831X_IRQ_PPM_USB_CURR,
+ .end = WM831X_IRQ_PPM_USB_CURR,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "BATT HOT",
+ .start = WM831X_IRQ_CHG_BATT_HOT,
+ .end = WM831X_IRQ_CHG_BATT_HOT,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "BATT COLD",
+ .start = WM831X_IRQ_CHG_BATT_COLD,
+ .end = WM831X_IRQ_CHG_BATT_COLD,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "BATT FAIL",
+ .start = WM831X_IRQ_CHG_BATT_FAIL,
+ .end = WM831X_IRQ_CHG_BATT_FAIL,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "OV",
+ .start = WM831X_IRQ_CHG_OV,
+ .end = WM831X_IRQ_CHG_OV,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "END",
+ .start = WM831X_IRQ_CHG_END,
+ .end = WM831X_IRQ_CHG_END,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "TO",
+ .start = WM831X_IRQ_CHG_TO,
+ .end = WM831X_IRQ_CHG_TO,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "MODE",
+ .start = WM831X_IRQ_CHG_MODE,
+ .end = WM831X_IRQ_CHG_MODE,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "START",
+ .start = WM831X_IRQ_CHG_START,
+ .end = WM831X_IRQ_CHG_START,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_rtc_resources[] = {
+ {
+ .name = "PER",
+ .start = WM831X_IRQ_RTC_PER,
+ .end = WM831X_IRQ_RTC_PER,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "ALM",
+ .start = WM831X_IRQ_RTC_ALM,
+ .end = WM831X_IRQ_RTC_ALM,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_status1_resources[] = {
+ {
+ .start = WM831X_STATUS_LED_1,
+ .end = WM831X_STATUS_LED_1,
+ .flags = IORESOURCE_IO,
+ },
+};
+
+static struct resource wm831x_status2_resources[] = {
+ {
+ .start = WM831X_STATUS_LED_2,
+ .end = WM831X_STATUS_LED_2,
+ .flags = IORESOURCE_IO,
+ },
+};
+
+static struct resource wm831x_touch_resources[] = {
+ {
+ .name = "TCHPD",
+ .start = WM831X_IRQ_TCHPD,
+ .end = WM831X_IRQ_TCHPD,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .name = "TCHDATA",
+ .start = WM831X_IRQ_TCHDATA,
+ .end = WM831X_IRQ_TCHDATA,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct resource wm831x_wdt_resources[] = {
+ {
+ .start = WM831X_IRQ_WDOG_TO,
+ .end = WM831X_IRQ_WDOG_TO,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mfd_cell wm8310_devs[] = {
+ {
+ .name = "wm831x-buckv",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
+ .resources = wm831x_dcdc1_resources,
+ },
+ {
+ .name = "wm831x-buckv",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources),
+ .resources = wm831x_dcdc2_resources,
+ },
+ {
+ .name = "wm831x-buckp",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources),
+ .resources = wm831x_dcdc3_resources,
+ },
+ {
+ .name = "wm831x-boostp",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources),
+ .resources = wm831x_dcdc4_resources,
+ },
+ {
+ .name = "wm831x-epe",
+ .id = 1,
+ },
+ {
+ .name = "wm831x-epe",
+ .id = 2,
+ },
+ {
+ .name = "wm831x-gpio",
+ .num_resources = ARRAY_SIZE(wm831x_gpio_resources),
+ .resources = wm831x_gpio_resources,
+ },
+ {
+ .name = "wm831x-hwmon",
+ },
+ {
+ .name = "wm831x-isink",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_isink1_resources),
+ .resources = wm831x_isink1_resources,
+ },
+ {
+ .name = "wm831x-isink",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_isink2_resources),
+ .resources = wm831x_isink2_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_ldo1_resources),
+ .resources = wm831x_ldo1_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_ldo2_resources),
+ .resources = wm831x_ldo2_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(wm831x_ldo3_resources),
+ .resources = wm831x_ldo3_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(wm831x_ldo4_resources),
+ .resources = wm831x_ldo4_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 5,
+ .num_resources = ARRAY_SIZE(wm831x_ldo5_resources),
+ .resources = wm831x_ldo5_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 6,
+ .num_resources = ARRAY_SIZE(wm831x_ldo6_resources),
+ .resources = wm831x_ldo6_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 7,
+ .num_resources = ARRAY_SIZE(wm831x_ldo7_resources),
+ .resources = wm831x_ldo7_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 8,
+ .num_resources = ARRAY_SIZE(wm831x_ldo8_resources),
+ .resources = wm831x_ldo8_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 9,
+ .num_resources = ARRAY_SIZE(wm831x_ldo9_resources),
+ .resources = wm831x_ldo9_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 10,
+ .num_resources = ARRAY_SIZE(wm831x_ldo10_resources),
+ .resources = wm831x_ldo10_resources,
+ },
+ {
+ .name = "wm831x-alive-ldo",
+ .id = 11,
+ .num_resources = ARRAY_SIZE(wm831x_ldo11_resources),
+ .resources = wm831x_ldo11_resources,
+ },
+ {
+ .name = "wm831x-on",
+ .num_resources = ARRAY_SIZE(wm831x_on_resources),
+ .resources = wm831x_on_resources,
+ },
+ {
+ .name = "wm831x-power",
+ .num_resources = ARRAY_SIZE(wm831x_power_resources),
+ .resources = wm831x_power_resources,
+ },
+ {
+ .name = "wm831x-rtc",
+ .num_resources = ARRAY_SIZE(wm831x_rtc_resources),
+ .resources = wm831x_rtc_resources,
+ },
+ {
+ .name = "wm831x-status",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_status1_resources),
+ .resources = wm831x_status1_resources,
+ },
+ {
+ .name = "wm831x-status",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_status2_resources),
+ .resources = wm831x_status2_resources,
+ },
+ {
+ .name = "wm831x-watchdog",
+ .num_resources = ARRAY_SIZE(wm831x_wdt_resources),
+ .resources = wm831x_wdt_resources,
+ },
+};
+
+static struct mfd_cell wm8311_devs[] = {
+ {
+ .name = "wm831x-buckv",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
+ .resources = wm831x_dcdc1_resources,
+ },
+ {
+ .name = "wm831x-buckv",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources),
+ .resources = wm831x_dcdc2_resources,
+ },
+ {
+ .name = "wm831x-buckp",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources),
+ .resources = wm831x_dcdc3_resources,
+ },
+ {
+ .name = "wm831x-boostp",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources),
+ .resources = wm831x_dcdc4_resources,
+ },
+ {
+ .name = "wm831x-epe",
+ .id = 1,
+ },
+ {
+ .name = "wm831x-epe",
+ .id = 2,
+ },
+ {
+ .name = "wm831x-gpio",
+ .num_resources = ARRAY_SIZE(wm831x_gpio_resources),
+ .resources = wm831x_gpio_resources,
+ },
+ {
+ .name = "wm831x-hwmon",
+ },
+ {
+ .name = "wm831x-isink",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_isink1_resources),
+ .resources = wm831x_isink1_resources,
+ },
+ {
+ .name = "wm831x-isink",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_isink2_resources),
+ .resources = wm831x_isink2_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_ldo1_resources),
+ .resources = wm831x_ldo1_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_ldo2_resources),
+ .resources = wm831x_ldo2_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(wm831x_ldo3_resources),
+ .resources = wm831x_ldo3_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(wm831x_ldo4_resources),
+ .resources = wm831x_ldo4_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 5,
+ .num_resources = ARRAY_SIZE(wm831x_ldo5_resources),
+ .resources = wm831x_ldo5_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 7,
+ .num_resources = ARRAY_SIZE(wm831x_ldo7_resources),
+ .resources = wm831x_ldo7_resources,
+ },
+ {
+ .name = "wm831x-alive-ldo",
+ .id = 11,
+ .num_resources = ARRAY_SIZE(wm831x_ldo11_resources),
+ .resources = wm831x_ldo11_resources,
+ },
+ {
+ .name = "wm831x-on",
+ .num_resources = ARRAY_SIZE(wm831x_on_resources),
+ .resources = wm831x_on_resources,
+ },
+ {
+ .name = "wm831x-power",
+ .num_resources = ARRAY_SIZE(wm831x_power_resources),
+ .resources = wm831x_power_resources,
+ },
+ {
+ .name = "wm831x-rtc",
+ .num_resources = ARRAY_SIZE(wm831x_rtc_resources),
+ .resources = wm831x_rtc_resources,
+ },
+ {
+ .name = "wm831x-status",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_status1_resources),
+ .resources = wm831x_status1_resources,
+ },
+ {
+ .name = "wm831x-status",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_status2_resources),
+ .resources = wm831x_status2_resources,
+ },
+ {
+ .name = "wm831x-touch",
+ .num_resources = ARRAY_SIZE(wm831x_touch_resources),
+ .resources = wm831x_touch_resources,
+ },
+ {
+ .name = "wm831x-watchdog",
+ .num_resources = ARRAY_SIZE(wm831x_wdt_resources),
+ .resources = wm831x_wdt_resources,
+ },
+};
+
+static struct mfd_cell wm8312_devs[] = {
+ {
+ .name = "wm831x-buckv",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc1_resources),
+ .resources = wm831x_dcdc1_resources,
+ },
+ {
+ .name = "wm831x-buckv",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc2_resources),
+ .resources = wm831x_dcdc2_resources,
+ },
+ {
+ .name = "wm831x-buckp",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc3_resources),
+ .resources = wm831x_dcdc3_resources,
+ },
+ {
+ .name = "wm831x-boostp",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(wm831x_dcdc4_resources),
+ .resources = wm831x_dcdc4_resources,
+ },
+ {
+ .name = "wm831x-epe",
+ .id = 1,
+ },
+ {
+ .name = "wm831x-epe",
+ .id = 2,
+ },
+ {
+ .name = "wm831x-gpio",
+ .num_resources = ARRAY_SIZE(wm831x_gpio_resources),
+ .resources = wm831x_gpio_resources,
+ },
+ {
+ .name = "wm831x-hwmon",
+ },
+ {
+ .name = "wm831x-isink",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_isink1_resources),
+ .resources = wm831x_isink1_resources,
+ },
+ {
+ .name = "wm831x-isink",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_isink2_resources),
+ .resources = wm831x_isink2_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_ldo1_resources),
+ .resources = wm831x_ldo1_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_ldo2_resources),
+ .resources = wm831x_ldo2_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(wm831x_ldo3_resources),
+ .resources = wm831x_ldo3_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(wm831x_ldo4_resources),
+ .resources = wm831x_ldo4_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 5,
+ .num_resources = ARRAY_SIZE(wm831x_ldo5_resources),
+ .resources = wm831x_ldo5_resources,
+ },
+ {
+ .name = "wm831x-ldo",
+ .id = 6,
+ .num_resources = ARRAY_SIZE(wm831x_ldo6_resources),
+ .resources = wm831x_ldo6_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 7,
+ .num_resources = ARRAY_SIZE(wm831x_ldo7_resources),
+ .resources = wm831x_ldo7_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 8,
+ .num_resources = ARRAY_SIZE(wm831x_ldo8_resources),
+ .resources = wm831x_ldo8_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 9,
+ .num_resources = ARRAY_SIZE(wm831x_ldo9_resources),
+ .resources = wm831x_ldo9_resources,
+ },
+ {
+ .name = "wm831x-aldo",
+ .id = 10,
+ .num_resources = ARRAY_SIZE(wm831x_ldo10_resources),
+ .resources = wm831x_ldo10_resources,
+ },
+ {
+ .name = "wm831x-alive-ldo",
+ .id = 11,
+ .num_resources = ARRAY_SIZE(wm831x_ldo11_resources),
+ .resources = wm831x_ldo11_resources,
+ },
+ {
+ .name = "wm831x-on",
+ .num_resources = ARRAY_SIZE(wm831x_on_resources),
+ .resources = wm831x_on_resources,
+ },
+ {
+ .name = "wm831x-power",
+ .num_resources = ARRAY_SIZE(wm831x_power_resources),
+ .resources = wm831x_power_resources,
+ },
+ {
+ .name = "wm831x-rtc",
+ .num_resources = ARRAY_SIZE(wm831x_rtc_resources),
+ .resources = wm831x_rtc_resources,
+ },
+ {
+ .name = "wm831x-status",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(wm831x_status1_resources),
+ .resources = wm831x_status1_resources,
+ },
+ {
+ .name = "wm831x-status",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(wm831x_status2_resources),
+ .resources = wm831x_status2_resources,
+ },
+ {
+ .name = "wm831x-touch",
+ .num_resources = ARRAY_SIZE(wm831x_touch_resources),
+ .resources = wm831x_touch_resources,
+ },
+ {
+ .name = "wm831x-watchdog",
+ .num_resources = ARRAY_SIZE(wm831x_wdt_resources),
+ .resources = wm831x_wdt_resources,
+ },
+};
+
+/*
+ * Instantiate the generic non-control parts of the device.
+ */
+static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
+{
+ struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ int rev;
+ enum wm831x_parent parent;
+ int ret;
+
+ mutex_init(&wm831x->io_lock);
+ mutex_init(&wm831x->key_lock);
+ dev_set_drvdata(wm831x->dev, wm831x);
+
+ ret = wm831x_reg_read(wm831x, WM831X_PARENT_ID);
+ if (ret < 0) {
+ dev_err(wm831x->dev, "Failed to read parent ID: %d\n", ret);
+ goto err;
+ }
+ if (ret != 0x6204) {
+ dev_err(wm831x->dev, "Device is not a WM831x: ID %x\n", ret);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = wm831x_reg_read(wm831x, WM831X_REVISION);
+ if (ret < 0) {
+ dev_err(wm831x->dev, "Failed to read revision: %d\n", ret);
+ goto err;
+ }
+ rev = (ret & WM831X_PARENT_REV_MASK) >> WM831X_PARENT_REV_SHIFT;
+
+ ret = wm831x_reg_read(wm831x, WM831X_RESET_ID);
+ if (ret < 0) {
+ dev_err(wm831x->dev, "Failed to read device ID: %d\n", ret);
+ goto err;
+ }
+
+ switch (ret) {
+ case 0x8310:
+ parent = WM8310;
+ switch (rev) {
+ case 0:
+ dev_info(wm831x->dev, "WM8310 revision %c\n",
+ 'A' + rev);
+ break;
+ }
+ break;
+
+ case 0x8311:
+ parent = WM8311;
+ switch (rev) {
+ case 0:
+ dev_info(wm831x->dev, "WM8311 revision %c\n",
+ 'A' + rev);
+ break;
+ }
+ break;
+
+ case 0x8312:
+ parent = WM8312;
+ switch (rev) {
+ case 0:
+ dev_info(wm831x->dev, "WM8312 revision %c\n",
+ 'A' + rev);
+ break;
+ }
+ break;
+
+ case 0:
+ /* Some engineering samples do not have the ID set,
+ * rely on the device being registered correctly.
+ * This will need revisiting for future devices with
+ * multiple dies.
+ */
+ parent = id;
+ switch (rev) {
+ case 0:
+ dev_info(wm831x->dev, "WM831%d ES revision %c\n",
+ parent, 'A' + rev);
+ break;
+ }
+ break;
+
+ default:
+ dev_err(wm831x->dev, "Unknown WM831x device %04x\n", ret);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* This will need revisiting in future but is OK for all
+ * current parts.
+ */
+ if (parent != id)
+ dev_warn(wm831x->dev, "Device was registered as a WM831%lu\n",
+ id);
+
+ /* Bootstrap the user key */
+ ret = wm831x_reg_read(wm831x, WM831X_SECURITY_KEY);
+ if (ret < 0) {
+ dev_err(wm831x->dev, "Failed to read security key: %d\n", ret);
+ goto err;
+ }
+ if (ret != 0) {
+ dev_warn(wm831x->dev, "Security key had non-zero value %x\n",
+ ret);
+ wm831x_reg_write(wm831x, WM831X_SECURITY_KEY, 0);
+ }
+ wm831x->locked = 1;
+
+ if (pdata && pdata->pre_init) {
+ ret = pdata->pre_init(wm831x);
+ if (ret != 0) {
+ dev_err(wm831x->dev, "pre_init() failed: %d\n", ret);
+ goto err;
+ }
+ }
+
+ /* The core device is up, instantiate the subdevices. */
+ switch (parent) {
+ case WM8310:
+ ret = mfd_add_devices(wm831x->dev, -1,
+ wm8310_devs, ARRAY_SIZE(wm8310_devs),
+ NULL, 0);
+ break;
+
+ case WM8311:
+ ret = mfd_add_devices(wm831x->dev, -1,
+ wm8311_devs, ARRAY_SIZE(wm8311_devs),
+ NULL, 0);
+ break;
+
+ case WM8312:
+ ret = mfd_add_devices(wm831x->dev, -1,
+ wm8312_devs, ARRAY_SIZE(wm8312_devs),
+ NULL, 0);
+ break;
+
+ default:
+ /* If this happens the bus probe function is buggy */
+ BUG();
+ }
+
+ if (ret != 0) {
+ dev_err(wm831x->dev, "Failed to add children\n");
+ goto err;
+ }
+
+ if (pdata && pdata->post_init) {
+ ret = pdata->post_init(wm831x);
+ if (ret != 0) {
+ dev_err(wm831x->dev, "post_init() failed: %d\n", ret);
+ goto err;
+ }
+ }
+
+ return 0;
+
+err:
+ mfd_remove_devices(wm831x->dev);
+ kfree(wm831x);
+ return ret;
+}
+
+static void wm831x_device_exit(struct wm831x *wm831x)
+{
+ mfd_remove_devices(wm831x->dev);
+ kfree(wm831x);
+}
+
+static int wm831x_i2c_read_device(struct wm831x *wm831x, unsigned short reg,
+ int bytes, void *dest)
+{
+ struct i2c_client *i2c = wm831x->control_data;
+ int ret;
+ u16 r = cpu_to_be16(reg);
+
+ ret = i2c_master_send(i2c, (unsigned char *)&r, 2);
+ if (ret < 0)
+ return ret;
+ if (ret != 2)
+ return -EIO;
+
+ ret = i2c_master_recv(i2c, dest, bytes);
+ if (ret < 0)
+ return ret;
+ if (ret != bytes)
+ return -EIO;
+ return 0;
+}
+
+/* Currently we allocate the write buffer on the stack; this is OK for
+ * small writes - if we need to do large writes this will need to be
+ * revised.
+ */
+static int wm831x_i2c_write_device(struct wm831x *wm831x, unsigned short reg,
+ int bytes, void *src)
+{
+ struct i2c_client *i2c = wm831x->control_data;
+ unsigned char msg[bytes + 2];
+ int ret;
+
+ reg = cpu_to_be16(reg);
+ memcpy(&msg[0], ®, 2);
+ memcpy(&msg[2], src, bytes);
+
+ ret = i2c_master_send(i2c, msg, bytes + 2);
+ if (ret < 0)
+ return ret;
+ if (ret < bytes + 2)
+ return -EIO;
+
+ return 0;
+}
+
+static int wm831x_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct wm831x *wm831x;
+
+ wm831x = kzalloc(sizeof(struct wm831x), GFP_KERNEL);
+ if (wm831x == NULL) {
+ kfree(i2c);
+ return -ENOMEM;
+ }
+
+ i2c_set_clientdata(i2c, wm831x);
+ wm831x->dev = &i2c->dev;
+ wm831x->control_data = i2c;
+ wm831x->read_dev = wm831x_i2c_read_device;
+ wm831x->write_dev = wm831x_i2c_write_device;
+
+ return wm831x_device_init(wm831x, id->driver_data, i2c->irq);
+}
+
+static int wm831x_i2c_remove(struct i2c_client *i2c)
+{
+ struct wm831x *wm831x = i2c_get_clientdata(i2c);
+
+ wm831x_device_exit(wm831x);
+
+ return 0;
+}
+
+static const struct i2c_device_id wm831x_i2c_id[] = {
+ { "wm8310", WM8310 },
+ { "wm8311", WM8311 },
+ { "wm8312", WM8312 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm831x_i2c_id);
+
+
+static struct i2c_driver wm831x_i2c_driver = {
+ .driver = {
+ .name = "wm831x",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm831x_i2c_probe,
+ .remove = wm831x_i2c_remove,
+ .id_table = wm831x_i2c_id,
+};
+
+static int __init wm831x_i2c_init(void)
+{
+ int ret;
+
+ ret = i2c_add_driver(&wm831x_i2c_driver);
+ if (ret != 0)
+ pr_err("Failed to register wm831x I2C driver: %d\n", ret);
+
+ return ret;
+}
+subsys_initcall(wm831x_i2c_init);
+
+static void __exit wm831x_i2c_exit(void)
+{
+ i2c_del_driver(&wm831x_i2c_driver);
+}
+module_exit(wm831x_i2c_exit);
+
+MODULE_DESCRIPTION("I2C support for the WM831X AudioPlus PMIC");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mark Brown");
diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
new file mode 100644
index 000000000000..d90e693053ba
--- /dev/null
+++ b/include/linux/mfd/wm831x/core.h
@@ -0,0 +1,247 @@
+/*
+ * include/linux/mfd/wm831x/core.h -- Core interface for WM831x
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM831X_CORE_H__
+#define __MFD_WM831X_CORE_H__
+
+/*
+ * Register values.
+ */
+#define WM831X_RESET_ID 0x00
+#define WM831X_REVISION 0x01
+#define WM831X_PARENT_ID 0x4000
+#define WM831X_SYSVDD_CONTROL 0x4001
+#define WM831X_THERMAL_MONITORING 0x4002
+#define WM831X_POWER_STATE 0x4003
+#define WM831X_WATCHDOG 0x4004
+#define WM831X_ON_PIN_CONTROL 0x4005
+#define WM831X_RESET_CONTROL 0x4006
+#define WM831X_CONTROL_INTERFACE 0x4007
+#define WM831X_SECURITY_KEY 0x4008
+#define WM831X_SOFTWARE_SCRATCH 0x4009
+#define WM831X_OTP_CONTROL 0x400A
+#define WM831X_GPIO_LEVEL 0x400C
+#define WM831X_SYSTEM_STATUS 0x400D
+#define WM831X_ON_SOURCE 0x400E
+#define WM831X_OFF_SOURCE 0x400F
+#define WM831X_SYSTEM_INTERRUPTS 0x4010
+#define WM831X_INTERRUPT_STATUS_1 0x4011
+#define WM831X_INTERRUPT_STATUS_2 0x4012
+#define WM831X_INTERRUPT_STATUS_3 0x4013
+#define WM831X_INTERRUPT_STATUS_4 0x4014
+#define WM831X_INTERRUPT_STATUS_5 0x4015
+#define WM831X_IRQ_CONFIG 0x4017
+#define WM831X_SYSTEM_INTERRUPTS_MASK 0x4018
+#define WM831X_INTERRUPT_STATUS_1_MASK 0x4019
+#define WM831X_INTERRUPT_STATUS_2_MASK 0x401A
+#define WM831X_INTERRUPT_STATUS_3_MASK 0x401B
+#define WM831X_INTERRUPT_STATUS_4_MASK 0x401C
+#define WM831X_INTERRUPT_STATUS_5_MASK 0x401D
+#define WM831X_RTC_WRITE_COUNTER 0x4020
+#define WM831X_RTC_TIME_1 0x4021
+#define WM831X_RTC_TIME_2 0x4022
+#define WM831X_RTC_ALARM_1 0x4023
+#define WM831X_RTC_ALARM_2 0x4024
+#define WM831X_RTC_CONTROL 0x4025
+#define WM831X_RTC_TRIM 0x4026
+#define WM831X_TOUCH_CONTROL_1 0x4028
+#define WM831X_TOUCH_CONTROL_2 0x4029
+#define WM831X_TOUCH_DATA_X 0x402A
+#define WM831X_TOUCH_DATA_Y 0x402B
+#define WM831X_TOUCH_DATA_Z 0x402C
+#define WM831X_AUXADC_DATA 0x402D
+#define WM831X_AUXADC_CONTROL 0x402E
+#define WM831X_AUXADC_SOURCE 0x402F
+#define WM831X_COMPARATOR_CONTROL 0x4030
+#define WM831X_COMPARATOR_1 0x4031
+#define WM831X_COMPARATOR_2 0x4032
+#define WM831X_COMPARATOR_3 0x4033
+#define WM831X_COMPARATOR_4 0x4034
+#define WM831X_GPIO1_CONTROL 0x4038
+#define WM831X_GPIO2_CONTROL 0x4039
+#define WM831X_GPIO3_CONTROL 0x403A
+#define WM831X_GPIO4_CONTROL 0x403B
+#define WM831X_GPIO5_CONTROL 0x403C
+#define WM831X_GPIO6_CONTROL 0x403D
+#define WM831X_GPIO7_CONTROL 0x403E
+#define WM831X_GPIO8_CONTROL 0x403F
+#define WM831X_GPIO9_CONTROL 0x4040
+#define WM831X_GPIO10_CONTROL 0x4041
+#define WM831X_GPIO11_CONTROL 0x4042
+#define WM831X_GPIO12_CONTROL 0x4043
+#define WM831X_GPIO13_CONTROL 0x4044
+#define WM831X_GPIO14_CONTROL 0x4045
+#define WM831X_GPIO15_CONTROL 0x4046
+#define WM831X_GPIO16_CONTROL 0x4047
+#define WM831X_CHARGER_CONTROL_1 0x4048
+#define WM831X_CHARGER_CONTROL_2 0x4049
+#define WM831X_CHARGER_STATUS 0x404A
+#define WM831X_BACKUP_CHARGER_CONTROL 0x404B
+#define WM831X_STATUS_LED_1 0x404C
+#define WM831X_STATUS_LED_2 0x404D
+#define WM831X_CURRENT_SINK_1 0x404E
+#define WM831X_CURRENT_SINK_2 0x404F
+#define WM831X_DCDC_ENABLE 0x4050
+#define WM831X_LDO_ENABLE 0x4051
+#define WM831X_DCDC_STATUS 0x4052
+#define WM831X_LDO_STATUS 0x4053
+#define WM831X_DCDC_UV_STATUS 0x4054
+#define WM831X_LDO_UV_STATUS 0x4055
+#define WM831X_DC1_CONTROL_1 0x4056
+#define WM831X_DC1_CONTROL_2 0x4057
+#define WM831X_DC1_ON_CONFIG 0x4058
+#define WM831X_DC1_SLEEP_CONTROL 0x4059
+#define WM831X_DC1_DVS_CONTROL 0x405A
+#define WM831X_DC2_CONTROL_1 0x405B
+#define WM831X_DC2_CONTROL_2 0x405C
+#define WM831X_DC2_ON_CONFIG 0x405D
+#define WM831X_DC2_SLEEP_CONTROL 0x405E
+#define WM831X_DC2_DVS_CONTROL 0x405F
+#define WM831X_DC3_CONTROL_1 0x4060
+#define WM831X_DC3_CONTROL_2 0x4061
+#define WM831X_DC3_ON_CONFIG 0x4062
+#define WM831X_DC3_SLEEP_CONTROL 0x4063
+#define WM831X_DC4_CONTROL 0x4064
+#define WM831X_DC4_SLEEP_CONTROL 0x4065
+#define WM831X_EPE1_CONTROL 0x4066
+#define WM831X_EPE2_CONTROL 0x4067
+#define WM831X_LDO1_CONTROL 0x4068
+#define WM831X_LDO1_ON_CONTROL 0x4069
+#define WM831X_LDO1_SLEEP_CONTROL 0x406A
+#define WM831X_LDO2_CONTROL 0x406B
+#define WM831X_LDO2_ON_CONTROL 0x406C
+#define WM831X_LDO2_SLEEP_CONTROL 0x406D
+#define WM831X_LDO3_CONTROL 0x406E
+#define WM831X_LDO3_ON_CONTROL 0x406F
+#define WM831X_LDO3_SLEEP_CONTROL 0x4070
+#define WM831X_LDO4_CONTROL 0x4071
+#define WM831X_LDO4_ON_CONTROL 0x4072
+#define WM831X_LDO4_SLEEP_CONTROL 0x4073
+#define WM831X_LDO5_CONTROL 0x4074
+#define WM831X_LDO5_ON_CONTROL 0x4075
+#define WM831X_LDO5_SLEEP_CONTROL 0x4076
+#define WM831X_LDO6_CONTROL 0x4077
+#define WM831X_LDO6_ON_CONTROL 0x4078
+#define WM831X_LDO6_SLEEP_CONTROL 0x4079
+#define WM831X_LDO7_CONTROL 0x407A
+#define WM831X_LDO7_ON_CONTROL 0x407B
+#define WM831X_LDO7_SLEEP_CONTROL 0x407C
+#define WM831X_LDO8_CONTROL 0x407D
+#define WM831X_LDO8_ON_CONTROL 0x407E
+#define WM831X_LDO8_SLEEP_CONTROL 0x407F
+#define WM831X_LDO9_CONTROL 0x4080
+#define WM831X_LDO9_ON_CONTROL 0x4081
+#define WM831X_LDO9_SLEEP_CONTROL 0x4082
+#define WM831X_LDO10_CONTROL 0x4083
+#define WM831X_LDO10_ON_CONTROL 0x4084
+#define WM831X_LDO10_SLEEP_CONTROL 0x4085
+#define WM831X_LDO11_ON_CONTROL 0x4087
+#define WM831X_LDO11_SLEEP_CONTROL 0x4088
+#define WM831X_POWER_GOOD_SOURCE_1 0x408E
+#define WM831X_POWER_GOOD_SOURCE_2 0x408F
+#define WM831X_CLOCK_CONTROL_1 0x4090
+#define WM831X_CLOCK_CONTROL_2 0x4091
+#define WM831X_FLL_CONTROL_1 0x4092
+#define WM831X_FLL_CONTROL_2 0x4093
+#define WM831X_FLL_CONTROL_3 0x4094
+#define WM831X_FLL_CONTROL_4 0x4095
+#define WM831X_FLL_CONTROL_5 0x4096
+#define WM831X_UNIQUE_ID_1 0x7800
+#define WM831X_UNIQUE_ID_2 0x7801
+#define WM831X_UNIQUE_ID_3 0x7802
+#define WM831X_UNIQUE_ID_4 0x7803
+#define WM831X_UNIQUE_ID_5 0x7804
+#define WM831X_UNIQUE_ID_6 0x7805
+#define WM831X_UNIQUE_ID_7 0x7806
+#define WM831X_UNIQUE_ID_8 0x7807
+#define WM831X_FACTORY_OTP_ID 0x7808
+#define WM831X_FACTORY_OTP_1 0x7809
+#define WM831X_FACTORY_OTP_2 0x780A
+#define WM831X_FACTORY_OTP_3 0x780B
+#define WM831X_FACTORY_OTP_4 0x780C
+#define WM831X_FACTORY_OTP_5 0x780D
+#define WM831X_CUSTOMER_OTP_ID 0x7810
+#define WM831X_DC1_OTP_CONTROL 0x7811
+#define WM831X_DC2_OTP_CONTROL 0x7812
+#define WM831X_DC3_OTP_CONTROL 0x7813
+#define WM831X_LDO1_2_OTP_CONTROL 0x7814
+#define WM831X_LDO3_4_OTP_CONTROL 0x7815
+#define WM831X_LDO5_6_OTP_CONTROL 0x7816
+#define WM831X_LDO7_8_OTP_CONTROL 0x7817
+#define WM831X_LDO9_10_OTP_CONTROL 0x7818
+#define WM831X_LDO11_EPE_CONTROL 0x7819
+#define WM831X_GPIO1_OTP_CONTROL 0x781A
+#define WM831X_GPIO2_OTP_CONTROL 0x781B
+#define WM831X_GPIO3_OTP_CONTROL 0x781C
+#define WM831X_GPIO4_OTP_CONTROL 0x781D
+#define WM831X_GPIO5_OTP_CONTROL 0x781E
+#define WM831X_GPIO6_OTP_CONTROL 0x781F
+#define WM831X_DBE_CHECK_DATA 0x7827
+
+/*
+ * R0 (0x00) - Reset ID
+ */
+#define WM831X_CHIP_ID_MASK 0xFFFF /* CHIP_ID - [15:0] */
+#define WM831X_CHIP_ID_SHIFT 0 /* CHIP_ID - [15:0] */
+#define WM831X_CHIP_ID_WIDTH 16 /* CHIP_ID - [15:0] */
+
+/*
+ * R1 (0x01) - Revision
+ */
+#define WM831X_PARENT_REV_MASK 0xFF00 /* PARENT_REV - [15:8] */
+#define WM831X_PARENT_REV_SHIFT 8 /* PARENT_REV - [15:8] */
+#define WM831X_PARENT_REV_WIDTH 8 /* PARENT_REV - [15:8] */
+#define WM831X_CHILD_REV_MASK 0x00FF /* CHILD_REV - [7:0] */
+#define WM831X_CHILD_REV_SHIFT 0 /* CHILD_REV - [7:0] */
+#define WM831X_CHILD_REV_WIDTH 8 /* CHILD_REV - [7:0] */
+
+/*
+ * R16384 (0x4000) - Parent ID
+ */
+#define WM831X_PARENT_ID_MASK 0xFFFF /* PARENT_ID - [15:0] */
+#define WM831X_PARENT_ID_SHIFT 0 /* PARENT_ID - [15:0] */
+#define WM831X_PARENT_ID_WIDTH 16 /* PARENT_ID - [15:0] */
+
+struct wm831x {
+ struct mutex io_lock;
+
+ struct device *dev;
+ int (*read_dev)(struct wm831x *wm831x, unsigned short reg,
+ int bytes, void *dest);
+ int (*write_dev)(struct wm831x *wm831x, unsigned short reg,
+ int bytes, void *src);
+
+ void *control_data;
+
+ /* The WM831x has a security key blocking access to certain
+ * registers. The mutex is taken by the accessors for locking
+ * and unlocking the security key, locked is used to fail
+ * writes if the lock is held.
+ */
+ struct mutex key_lock;
+ unsigned int locked:1;
+};
+
+/* Device I/O API */
+int wm831x_reg_read(struct wm831x *wm831x, unsigned short reg);
+int wm831x_reg_write(struct wm831x *wm831x, unsigned short reg,
+ unsigned short val);
+void wm831x_reg_lock(struct wm831x *wm831x);
+int wm831x_reg_unlock(struct wm831x *wm831x);
+int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
+ unsigned short mask, unsigned short val);
+int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg,
+ int count, u16 *buf);
+
+#endif
diff --git a/include/linux/mfd/wm831x/pdata.h b/include/linux/mfd/wm831x/pdata.h
new file mode 100644
index 000000000000..571e60136264
--- /dev/null
+++ b/include/linux/mfd/wm831x/pdata.h
@@ -0,0 +1,107 @@
+/*
+ * include/linux/mfd/wm831x/pdata.h -- Platform data for WM831x
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM831X_PDATA_H__
+#define __MFD_WM831X_PDATA_H__
+
+struct wm831x;
+struct regulator_init_data;
+
+struct wm831x_backup_pdata {
+ int charger_enable;
+ int no_constant_voltage; /** Disable constant voltage charging */
+ int vlim; /** Voltage limit in milivolts */
+ int ilim; /** Current limit in microamps */
+};
+
+struct wm831x_battery_pdata {
+ int enable; /** Enable charging */
+ int fast_enable; /** Enable fast charging */
+ int off_mask; /** Mask OFF while charging */
+ int trickle_ilim; /** Trickle charge current limit, in mA */
+ int vsel; /** Target voltage, in mV */
+ int eoc_iterm; /** End of trickle charge current, in mA */
+ int fast_ilim; /** Fast charge current limit, in mA */
+ int timeout; /** Charge cycle timeout, in minutes */
+};
+
+/* Sources for status LED configuration. Values are register values
+ * plus 1 to allow for a zero default for preserve.
+ */
+enum wm831x_status_src {
+ WM831X_STATUS_PRESERVE = 0, /* Keep the current hardware setting */
+ WM831X_STATUS_OTP = 1,
+ WM831X_STATUS_POWER = 2,
+ WM831X_STATUS_CHARGER = 3,
+ WM831X_STATUS_MANUAL = 4,
+};
+
+struct wm831x_status_pdata {
+ enum wm831x_status_src default_src;
+ const char *name;
+ const char *default_trigger;
+};
+
+struct wm831x_touch_pdata {
+ int fivewire; /** 1 for five wire mode, 0 for 4 wire */
+ int isel; /** Current for pen down (uA) */
+ int rpu; /** Pen down sensitivity resistor divider */
+ int pressure; /** Report pressure (boolean) */
+ int data_irq; /** Touch data ready IRQ */
+};
+
+enum wm831x_watchdog_action {
+ WM831X_WDOG_NONE = 0,
+ WM831X_WDOG_INTERRUPT = 1,
+ WM831X_WDOG_RESET = 2,
+ WM831X_WDOG_WAKE = 3,
+};
+
+struct wm831x_watchdog_pdata {
+ enum wm831x_watchdog_action primary, secondary;
+ int update_gpio;
+ unsigned int software:1;
+};
+
+#define WM831X_MAX_STATUS 2
+#define WM831X_MAX_DCDC 4
+#define WM831X_MAX_EPE 2
+#define WM831X_MAX_LDO 11
+#define WM831X_MAX_ISINK 2
+
+struct wm831x_pdata {
+ /** Called before subdevices are set up */
+ int (*pre_init)(struct wm831x *wm831x);
+ /** Called after subdevices are set up */
+ int (*post_init)(struct wm831x *wm831x);
+
+ int gpio_base;
+ struct wm831x_backup_pdata *backup;
+ struct wm831x_battery_pdata *battery;
+ struct wm831x_touch_pdata *touch;
+ struct wm831x_watchdog_pdata *watchdog;
+
+ /** LED1 = 0 and so on */
+ struct wm831x_status_pdata *status[WM831X_MAX_STATUS];
+ /** DCDC1 = 0 and so on */
+ struct regulator_init_data *dcdc[WM831X_MAX_DCDC];
+ /** EPE1 = 0 and so on */
+ struct regulator_init_data *epe[WM831X_MAX_EPE];
+ /** LDO1 = 0 and so on */
+ struct regulator_init_data *ldo[WM831X_MAX_LDO];
+ /** ISINK1 = 0 and so on*/
+ struct regulator_init_data *isink[WM831X_MAX_ISINK];
+};
+
+#endif
--
GitLab
From 7d4d0a3e7343e3190afaa17253073db58e3d9bff Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 27 Jul 2009 14:45:53 +0100
Subject: [PATCH 587/742] mfd: Add WM831x interrupt support
The WM831x includes an interrupt controller managing interrupts for
the various functions on the chip. This patch adds support for the
core interrupt block on the device.
Ideally this would be supported by genirq, particularly for the
GPIOs, but currently genirq is unable to cope with controllers on
interrupt driven buses so we cut'n'paste the generic interface.
Once genirq is able to cope chips like this it should be a case
of filing the prefixes off the code and redoing wm831x-irq.c to
move over.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/wm831x-core.c | 12 +-
drivers/mfd/wm831x-irq.c | 559 +++++++++++++++++++++++
include/linux/mfd/wm831x/core.h | 21 +
include/linux/mfd/wm831x/irq.h | 764 ++++++++++++++++++++++++++++++++
4 files changed, 1354 insertions(+), 2 deletions(-)
create mode 100644 drivers/mfd/wm831x-irq.c
create mode 100644 include/linux/mfd/wm831x/irq.h
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index cc1040c9d46c..eb63d22160d1 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -19,6 +19,7 @@
#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
+#include <linux/mfd/wm831x/irq.h>
enum wm831x_parent {
WM8310 = 0,
@@ -1189,6 +1190,10 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
}
}
+ ret = wm831x_irq_init(wm831x, irq);
+ if (ret != 0)
+ goto err;
+
/* The core device is up, instantiate the subdevices. */
switch (parent) {
case WM8310:
@@ -1216,19 +1221,21 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
if (ret != 0) {
dev_err(wm831x->dev, "Failed to add children\n");
- goto err;
+ goto err_irq;
}
if (pdata && pdata->post_init) {
ret = pdata->post_init(wm831x);
if (ret != 0) {
dev_err(wm831x->dev, "post_init() failed: %d\n", ret);
- goto err;
+ goto err_irq;
}
}
return 0;
+err_irq:
+ wm831x_irq_exit(wm831x);
err:
mfd_remove_devices(wm831x->dev);
kfree(wm831x);
@@ -1238,6 +1245,7 @@ err:
static void wm831x_device_exit(struct wm831x *wm831x)
{
mfd_remove_devices(wm831x->dev);
+ wm831x_irq_exit(wm831x);
kfree(wm831x);
}
diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c
new file mode 100644
index 000000000000..d3015dfb9134
--- /dev/null
+++ b/drivers/mfd/wm831x-irq.c
@@ -0,0 +1,559 @@
+/*
+ * wm831x-irq.c -- Interrupt controller support for Wolfson WM831x PMICs
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/mfd/core.h>
+#include <linux/interrupt.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/pdata.h>
+#include <linux/mfd/wm831x/irq.h>
+
+#include <linux/delay.h>
+
+/*
+ * Since generic IRQs don't currently support interrupt controllers on
+ * interrupt driven buses we don't use genirq but instead provide an
+ * interface that looks very much like the standard ones. This leads
+ * to some bodges, including storing interrupt handler information in
+ * the static irq_data table we use to look up the data for individual
+ * interrupts, but hopefully won't last too long.
+ */
+
+struct wm831x_irq_data {
+ int primary;
+ int reg;
+ int mask;
+ irq_handler_t handler;
+ void *handler_data;
+};
+
+static struct wm831x_irq_data wm831x_irqs[] = {
+ [WM831X_IRQ_TEMP_THW] = {
+ .primary = WM831X_TEMP_INT,
+ .reg = 1,
+ .mask = WM831X_TEMP_THW_EINT,
+ },
+ [WM831X_IRQ_GPIO_1] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP1_EINT,
+ },
+ [WM831X_IRQ_GPIO_2] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP2_EINT,
+ },
+ [WM831X_IRQ_GPIO_3] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP3_EINT,
+ },
+ [WM831X_IRQ_GPIO_4] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP4_EINT,
+ },
+ [WM831X_IRQ_GPIO_5] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP5_EINT,
+ },
+ [WM831X_IRQ_GPIO_6] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP6_EINT,
+ },
+ [WM831X_IRQ_GPIO_7] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP7_EINT,
+ },
+ [WM831X_IRQ_GPIO_8] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP8_EINT,
+ },
+ [WM831X_IRQ_GPIO_9] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP9_EINT,
+ },
+ [WM831X_IRQ_GPIO_10] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP10_EINT,
+ },
+ [WM831X_IRQ_GPIO_11] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP11_EINT,
+ },
+ [WM831X_IRQ_GPIO_12] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP12_EINT,
+ },
+ [WM831X_IRQ_GPIO_13] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP13_EINT,
+ },
+ [WM831X_IRQ_GPIO_14] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP14_EINT,
+ },
+ [WM831X_IRQ_GPIO_15] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP15_EINT,
+ },
+ [WM831X_IRQ_GPIO_16] = {
+ .primary = WM831X_GP_INT,
+ .reg = 5,
+ .mask = WM831X_GP16_EINT,
+ },
+ [WM831X_IRQ_ON] = {
+ .primary = WM831X_ON_PIN_INT,
+ .reg = 1,
+ .mask = WM831X_ON_PIN_EINT,
+ },
+ [WM831X_IRQ_PPM_SYSLO] = {
+ .primary = WM831X_PPM_INT,
+ .reg = 1,
+ .mask = WM831X_PPM_SYSLO_EINT,
+ },
+ [WM831X_IRQ_PPM_PWR_SRC] = {
+ .primary = WM831X_PPM_INT,
+ .reg = 1,
+ .mask = WM831X_PPM_PWR_SRC_EINT,
+ },
+ [WM831X_IRQ_PPM_USB_CURR] = {
+ .primary = WM831X_PPM_INT,
+ .reg = 1,
+ .mask = WM831X_PPM_USB_CURR_EINT,
+ },
+ [WM831X_IRQ_WDOG_TO] = {
+ .primary = WM831X_WDOG_INT,
+ .reg = 1,
+ .mask = WM831X_WDOG_TO_EINT,
+ },
+ [WM831X_IRQ_RTC_PER] = {
+ .primary = WM831X_RTC_INT,
+ .reg = 1,
+ .mask = WM831X_RTC_PER_EINT,
+ },
+ [WM831X_IRQ_RTC_ALM] = {
+ .primary = WM831X_RTC_INT,
+ .reg = 1,
+ .mask = WM831X_RTC_ALM_EINT,
+ },
+ [WM831X_IRQ_CHG_BATT_HOT] = {
+ .primary = WM831X_CHG_INT,
+ .reg = 2,
+ .mask = WM831X_CHG_BATT_HOT_EINT,
+ },
+ [WM831X_IRQ_CHG_BATT_COLD] = {
+ .primary = WM831X_CHG_INT,
+ .reg = 2,
+ .mask = WM831X_CHG_BATT_COLD_EINT,
+ },
+ [WM831X_IRQ_CHG_BATT_FAIL] = {
+ .primary = WM831X_CHG_INT,
+ .reg = 2,
+ .mask = WM831X_CHG_BATT_FAIL_EINT,
+ },
+ [WM831X_IRQ_CHG_OV] = {
+ .primary = WM831X_CHG_INT,
+ .reg = 2,
+ .mask = WM831X_CHG_OV_EINT,
+ },
+ [WM831X_IRQ_CHG_END] = {
+ .primary = WM831X_CHG_INT,
+ .reg = 2,
+ .mask = WM831X_CHG_END_EINT,
+ },
+ [WM831X_IRQ_CHG_TO] = {
+ .primary = WM831X_CHG_INT,
+ .reg = 2,
+ .mask = WM831X_CHG_TO_EINT,
+ },
+ [WM831X_IRQ_CHG_MODE] = {
+ .primary = WM831X_CHG_INT,
+ .reg = 2,
+ .mask = WM831X_CHG_MODE_EINT,
+ },
+ [WM831X_IRQ_CHG_START] = {
+ .primary = WM831X_CHG_INT,
+ .reg = 2,
+ .mask = WM831X_CHG_START_EINT,
+ },
+ [WM831X_IRQ_TCHDATA] = {
+ .primary = WM831X_TCHDATA_INT,
+ .reg = 1,
+ .mask = WM831X_TCHDATA_EINT,
+ },
+ [WM831X_IRQ_TCHPD] = {
+ .primary = WM831X_TCHPD_INT,
+ .reg = 1,
+ .mask = WM831X_TCHPD_EINT,
+ },
+ [WM831X_IRQ_AUXADC_DATA] = {
+ .primary = WM831X_AUXADC_INT,
+ .reg = 1,
+ .mask = WM831X_AUXADC_DATA_EINT,
+ },
+ [WM831X_IRQ_AUXADC_DCOMP1] = {
+ .primary = WM831X_AUXADC_INT,
+ .reg = 1,
+ .mask = WM831X_AUXADC_DCOMP1_EINT,
+ },
+ [WM831X_IRQ_AUXADC_DCOMP2] = {
+ .primary = WM831X_AUXADC_INT,
+ .reg = 1,
+ .mask = WM831X_AUXADC_DCOMP2_EINT,
+ },
+ [WM831X_IRQ_AUXADC_DCOMP3] = {
+ .primary = WM831X_AUXADC_INT,
+ .reg = 1,
+ .mask = WM831X_AUXADC_DCOMP3_EINT,
+ },
+ [WM831X_IRQ_AUXADC_DCOMP4] = {
+ .primary = WM831X_AUXADC_INT,
+ .reg = 1,
+ .mask = WM831X_AUXADC_DCOMP4_EINT,
+ },
+ [WM831X_IRQ_CS1] = {
+ .primary = WM831X_CS_INT,
+ .reg = 2,
+ .mask = WM831X_CS1_EINT,
+ },
+ [WM831X_IRQ_CS2] = {
+ .primary = WM831X_CS_INT,
+ .reg = 2,
+ .mask = WM831X_CS2_EINT,
+ },
+ [WM831X_IRQ_HC_DC1] = {
+ .primary = WM831X_HC_INT,
+ .reg = 4,
+ .mask = WM831X_HC_DC1_EINT,
+ },
+ [WM831X_IRQ_HC_DC2] = {
+ .primary = WM831X_HC_INT,
+ .reg = 4,
+ .mask = WM831X_HC_DC2_EINT,
+ },
+ [WM831X_IRQ_UV_LDO1] = {
+ .primary = WM831X_UV_INT,
+ .reg = 3,
+ .mask = WM831X_UV_LDO1_EINT,
+ },
+ [WM831X_IRQ_UV_LDO2] = {
+ .primary = WM831X_UV_INT,
+ .reg = 3,
+ .mask = WM831X_UV_LDO2_EINT,
+ },
+ [WM831X_IRQ_UV_LDO3] = {
+ .primary = WM831X_UV_INT,
+ .reg = 3,
+ .mask = WM831X_UV_LDO3_EINT,
+ },
+ [WM831X_IRQ_UV_LDO4] = {
+ .primary = WM831X_UV_INT,
+ .reg = 3,
+ .mask = WM831X_UV_LDO4_EINT,
+ },
+ [WM831X_IRQ_UV_LDO5] = {
+ .primary = WM831X_UV_INT,
+ .reg = 3,
+ .mask = WM831X_UV_LDO5_EINT,
+ },
+ [WM831X_IRQ_UV_LDO6] = {
+ .primary = WM831X_UV_INT,
+ .reg = 3,
+ .mask = WM831X_UV_LDO6_EINT,
+ },
+ [WM831X_IRQ_UV_LDO7] = {
+ .primary = WM831X_UV_INT,
+ .reg = 3,
+ .mask = WM831X_UV_LDO7_EINT,
+ },
+ [WM831X_IRQ_UV_LDO8] = {
+ .primary = WM831X_UV_INT,
+ .reg = 3,
+ .mask = WM831X_UV_LDO8_EINT,
+ },
+ [WM831X_IRQ_UV_LDO9] = {
+ .primary = WM831X_UV_INT,
+ .reg = 3,
+ .mask = WM831X_UV_LDO9_EINT,
+ },
+ [WM831X_IRQ_UV_LDO10] = {
+ .primary = WM831X_UV_INT,
+ .reg = 3,
+ .mask = WM831X_UV_LDO10_EINT,
+ },
+ [WM831X_IRQ_UV_DC1] = {
+ .primary = WM831X_UV_INT,
+ .reg = 4,
+ .mask = WM831X_UV_DC1_EINT,
+ },
+ [WM831X_IRQ_UV_DC2] = {
+ .primary = WM831X_UV_INT,
+ .reg = 4,
+ .mask = WM831X_UV_DC2_EINT,
+ },
+ [WM831X_IRQ_UV_DC3] = {
+ .primary = WM831X_UV_INT,
+ .reg = 4,
+ .mask = WM831X_UV_DC3_EINT,
+ },
+ [WM831X_IRQ_UV_DC4] = {
+ .primary = WM831X_UV_INT,
+ .reg = 4,
+ .mask = WM831X_UV_DC4_EINT,
+ },
+};
+
+static inline int irq_data_to_status_reg(struct wm831x_irq_data *irq_data)
+{
+ return WM831X_INTERRUPT_STATUS_1 - 1 + irq_data->reg;
+}
+
+static inline int irq_data_to_mask_reg(struct wm831x_irq_data *irq_data)
+{
+ return WM831X_INTERRUPT_STATUS_1_MASK - 1 + irq_data->reg;
+}
+
+static void __wm831x_enable_irq(struct wm831x *wm831x, int irq)
+{
+ struct wm831x_irq_data *irq_data = &wm831x_irqs[irq];
+
+ wm831x->irq_masks[irq_data->reg - 1] &= ~irq_data->mask;
+ wm831x_reg_write(wm831x, irq_data_to_mask_reg(irq_data),
+ wm831x->irq_masks[irq_data->reg - 1]);
+}
+
+void wm831x_enable_irq(struct wm831x *wm831x, int irq)
+{
+ mutex_lock(&wm831x->irq_lock);
+ __wm831x_enable_irq(wm831x, irq);
+ mutex_unlock(&wm831x->irq_lock);
+}
+EXPORT_SYMBOL_GPL(wm831x_enable_irq);
+
+static void __wm831x_disable_irq(struct wm831x *wm831x, int irq)
+{
+ struct wm831x_irq_data *irq_data = &wm831x_irqs[irq];
+
+ wm831x->irq_masks[irq_data->reg - 1] |= irq_data->mask;
+ wm831x_reg_write(wm831x, irq_data_to_mask_reg(irq_data),
+ wm831x->irq_masks[irq_data->reg - 1]);
+}
+
+void wm831x_disable_irq(struct wm831x *wm831x, int irq)
+{
+ mutex_lock(&wm831x->irq_lock);
+ __wm831x_disable_irq(wm831x, irq);
+ mutex_unlock(&wm831x->irq_lock);
+}
+EXPORT_SYMBOL_GPL(wm831x_disable_irq);
+
+int wm831x_request_irq(struct wm831x *wm831x,
+ unsigned int irq, irq_handler_t handler,
+ unsigned long flags, const char *name,
+ void *dev)
+{
+ int ret = 0;
+
+ if (irq < 0 || irq >= WM831X_NUM_IRQS)
+ return -EINVAL;
+
+ mutex_lock(&wm831x->irq_lock);
+
+ if (wm831x_irqs[irq].handler) {
+ dev_err(wm831x->dev, "Already have handler for IRQ %d\n", irq);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ wm831x_irqs[irq].handler = handler;
+ wm831x_irqs[irq].handler_data = dev;
+
+ __wm831x_enable_irq(wm831x, irq);
+
+out:
+ mutex_unlock(&wm831x->irq_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(wm831x_request_irq);
+
+void wm831x_free_irq(struct wm831x *wm831x, unsigned int irq, void *data)
+{
+ if (irq < 0 || irq >= WM831X_NUM_IRQS)
+ return;
+
+ mutex_lock(&wm831x->irq_lock);
+
+ wm831x_irqs[irq].handler = NULL;
+ wm831x_irqs[irq].handler_data = NULL;
+
+ __wm831x_disable_irq(wm831x, irq);
+
+ mutex_unlock(&wm831x->irq_lock);
+}
+EXPORT_SYMBOL_GPL(wm831x_free_irq);
+
+
+static void wm831x_handle_irq(struct wm831x *wm831x, int irq, int status)
+{
+ struct wm831x_irq_data *irq_data = &wm831x_irqs[irq];
+
+ if (irq_data->handler) {
+ irq_data->handler(irq, irq_data->handler_data);
+ wm831x_reg_write(wm831x, irq_data_to_status_reg(irq_data),
+ irq_data->mask);
+ } else {
+ dev_err(wm831x->dev, "Unhandled IRQ %d, masking\n", irq);
+ __wm831x_disable_irq(wm831x, irq);
+ }
+}
+
+/* Main interrupt handling occurs in a workqueue since we need
+ * interrupts enabled to interact with the chip. */
+static void wm831x_irq_worker(struct work_struct *work)
+{
+ struct wm831x *wm831x = container_of(work, struct wm831x, irq_work);
+ unsigned int i;
+ int primary;
+ int status_regs[5];
+ int read[5] = { 0 };
+ int *status;
+
+ primary = wm831x_reg_read(wm831x, WM831X_SYSTEM_INTERRUPTS);
+ if (primary < 0) {
+ dev_err(wm831x->dev, "Failed to read system interrupt: %d\n",
+ primary);
+ goto out;
+ }
+
+ mutex_lock(&wm831x->irq_lock);
+
+ for (i = 0; i < ARRAY_SIZE(wm831x_irqs); i++) {
+ int offset = wm831x_irqs[i].reg - 1;
+
+ if (!(primary & wm831x_irqs[i].primary))
+ continue;
+
+ status = &status_regs[offset];
+
+ /* Hopefully there should only be one register to read
+ * each time otherwise we ought to do a block read. */
+ if (!read[offset]) {
+ *status = wm831x_reg_read(wm831x,
+ irq_data_to_status_reg(&wm831x_irqs[i]));
+ if (*status < 0) {
+ dev_err(wm831x->dev,
+ "Failed to read IRQ status: %d\n",
+ *status);
+ goto out_lock;
+ }
+
+ /* Mask out the disabled IRQs */
+ *status &= ~wm831x->irq_masks[offset];
+ read[offset] = 1;
+ }
+
+ if (*status & wm831x_irqs[i].mask)
+ wm831x_handle_irq(wm831x, i, *status);
+ }
+
+out_lock:
+ mutex_unlock(&wm831x->irq_lock);
+out:
+ enable_irq(wm831x->irq);
+}
+
+
+static irqreturn_t wm831x_cpu_irq(int irq, void *data)
+{
+ struct wm831x *wm831x = data;
+
+ /* Shut the interrupt to the CPU up and schedule the actual
+ * handler; we can't check that the IRQ is asserted. */
+ disable_irq_nosync(irq);
+
+ queue_work(wm831x->irq_wq, &wm831x->irq_work);
+
+ return IRQ_HANDLED;
+}
+
+int wm831x_irq_init(struct wm831x *wm831x, int irq)
+{
+ int i, ret;
+
+ if (!irq) {
+ dev_warn(wm831x->dev,
+ "No interrupt specified - functionality limited\n");
+ return 0;
+ }
+
+
+ wm831x->irq_wq = create_singlethread_workqueue("wm831x-irq");
+ if (!wm831x->irq_wq) {
+ dev_err(wm831x->dev, "Failed to allocate IRQ worker\n");
+ return -ESRCH;
+ }
+
+ wm831x->irq = irq;
+ mutex_init(&wm831x->irq_lock);
+ INIT_WORK(&wm831x->irq_work, wm831x_irq_worker);
+
+ /* Mask the individual interrupt sources */
+ for (i = 0; i < ARRAY_SIZE(wm831x->irq_masks); i++) {
+ wm831x->irq_masks[i] = 0xffff;
+ wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_1_MASK + i,
+ 0xffff);
+ }
+
+ /* Enable top level interrupts, we mask at secondary level */
+ wm831x_reg_write(wm831x, WM831X_SYSTEM_INTERRUPTS_MASK, 0);
+
+ /* We're good to go. We set IRQF_SHARED since there's a
+ * chance the driver will interoperate with another driver but
+ * the need to disable the IRQ while handing via I2C/SPI means
+ * that this may break and performance will be impacted. If
+ * this does happen it's a hardware design issue and the only
+ * other alternative would be polling.
+ */
+ ret = request_irq(irq, wm831x_cpu_irq, IRQF_TRIGGER_LOW | IRQF_SHARED,
+ "wm831x", wm831x);
+ if (ret != 0) {
+ dev_err(wm831x->dev, "Failed to request IRQ %d: %d\n",
+ irq, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+void wm831x_irq_exit(struct wm831x *wm831x)
+{
+ if (wm831x->irq)
+ free_irq(wm831x->irq, wm831x);
+}
diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
index d90e693053ba..b96c9355b16e 100644
--- a/include/linux/mfd/wm831x/core.h
+++ b/include/linux/mfd/wm831x/core.h
@@ -15,6 +15,9 @@
#ifndef __MFD_WM831X_CORE_H__
#define __MFD_WM831X_CORE_H__
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+
/*
* Register values.
*/
@@ -224,6 +227,13 @@ struct wm831x {
void *control_data;
+ int irq; /* Our chip IRQ */
+ struct mutex irq_lock;
+ struct workqueue_struct *irq_wq;
+ struct work_struct irq_work;
+ unsigned int irq_base;
+ int irq_masks[5];
+
/* The WM831x has a security key blocking access to certain
* registers. The mutex is taken by the accessors for locking
* and unlocking the security key, locked is used to fail
@@ -244,4 +254,15 @@ int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
int wm831x_bulk_read(struct wm831x *wm831x, unsigned short reg,
int count, u16 *buf);
+int wm831x_irq_init(struct wm831x *wm831x, int irq);
+void wm831x_irq_exit(struct wm831x *wm831x);
+
+int __must_check wm831x_request_irq(struct wm831x *wm831x,
+ unsigned int irq, irq_handler_t handler,
+ unsigned long flags, const char *name,
+ void *dev);
+void wm831x_free_irq(struct wm831x *wm831x, unsigned int, void *);
+void wm831x_disable_irq(struct wm831x *wm831x, int irq);
+void wm831x_enable_irq(struct wm831x *wm831x, int irq);
+
#endif
diff --git a/include/linux/mfd/wm831x/irq.h b/include/linux/mfd/wm831x/irq.h
new file mode 100644
index 000000000000..3a8c97656fda
--- /dev/null
+++ b/include/linux/mfd/wm831x/irq.h
@@ -0,0 +1,764 @@
+/*
+ * include/linux/mfd/wm831x/irq.h -- Interrupt controller for WM831x
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM831X_IRQ_H__
+#define __MFD_WM831X_IRQ_H__
+
+/* Interrupt number assignments within Linux */
+#define WM831X_IRQ_TEMP_THW 0
+#define WM831X_IRQ_GPIO_1 1
+#define WM831X_IRQ_GPIO_2 2
+#define WM831X_IRQ_GPIO_3 3
+#define WM831X_IRQ_GPIO_4 4
+#define WM831X_IRQ_GPIO_5 5
+#define WM831X_IRQ_GPIO_6 6
+#define WM831X_IRQ_GPIO_7 7
+#define WM831X_IRQ_GPIO_8 8
+#define WM831X_IRQ_GPIO_9 9
+#define WM831X_IRQ_GPIO_10 10
+#define WM831X_IRQ_GPIO_11 11
+#define WM831X_IRQ_GPIO_12 12
+#define WM831X_IRQ_GPIO_13 13
+#define WM831X_IRQ_GPIO_14 14
+#define WM831X_IRQ_GPIO_15 15
+#define WM831X_IRQ_GPIO_16 16
+#define WM831X_IRQ_ON 17
+#define WM831X_IRQ_PPM_SYSLO 18
+#define WM831X_IRQ_PPM_PWR_SRC 19
+#define WM831X_IRQ_PPM_USB_CURR 20
+#define WM831X_IRQ_WDOG_TO 21
+#define WM831X_IRQ_RTC_PER 22
+#define WM831X_IRQ_RTC_ALM 23
+#define WM831X_IRQ_CHG_BATT_HOT 24
+#define WM831X_IRQ_CHG_BATT_COLD 25
+#define WM831X_IRQ_CHG_BATT_FAIL 26
+#define WM831X_IRQ_CHG_OV 27
+#define WM831X_IRQ_CHG_END 29
+#define WM831X_IRQ_CHG_TO 30
+#define WM831X_IRQ_CHG_MODE 31
+#define WM831X_IRQ_CHG_START 32
+#define WM831X_IRQ_TCHDATA 33
+#define WM831X_IRQ_TCHPD 34
+#define WM831X_IRQ_AUXADC_DATA 35
+#define WM831X_IRQ_AUXADC_DCOMP1 36
+#define WM831X_IRQ_AUXADC_DCOMP2 37
+#define WM831X_IRQ_AUXADC_DCOMP3 38
+#define WM831X_IRQ_AUXADC_DCOMP4 39
+#define WM831X_IRQ_CS1 40
+#define WM831X_IRQ_CS2 41
+#define WM831X_IRQ_HC_DC1 42
+#define WM831X_IRQ_HC_DC2 43
+#define WM831X_IRQ_UV_LDO1 44
+#define WM831X_IRQ_UV_LDO2 45
+#define WM831X_IRQ_UV_LDO3 46
+#define WM831X_IRQ_UV_LDO4 47
+#define WM831X_IRQ_UV_LDO5 48
+#define WM831X_IRQ_UV_LDO6 49
+#define WM831X_IRQ_UV_LDO7 50
+#define WM831X_IRQ_UV_LDO8 51
+#define WM831X_IRQ_UV_LDO9 52
+#define WM831X_IRQ_UV_LDO10 53
+#define WM831X_IRQ_UV_DC1 54
+#define WM831X_IRQ_UV_DC2 55
+#define WM831X_IRQ_UV_DC3 56
+#define WM831X_IRQ_UV_DC4 57
+
+#define WM831X_NUM_IRQS 58
+
+/*
+ * R16400 (0x4010) - System Interrupts
+ */
+#define WM831X_PS_INT 0x8000 /* PS_INT */
+#define WM831X_PS_INT_MASK 0x8000 /* PS_INT */
+#define WM831X_PS_INT_SHIFT 15 /* PS_INT */
+#define WM831X_PS_INT_WIDTH 1 /* PS_INT */
+#define WM831X_TEMP_INT 0x4000 /* TEMP_INT */
+#define WM831X_TEMP_INT_MASK 0x4000 /* TEMP_INT */
+#define WM831X_TEMP_INT_SHIFT 14 /* TEMP_INT */
+#define WM831X_TEMP_INT_WIDTH 1 /* TEMP_INT */
+#define WM831X_GP_INT 0x2000 /* GP_INT */
+#define WM831X_GP_INT_MASK 0x2000 /* GP_INT */
+#define WM831X_GP_INT_SHIFT 13 /* GP_INT */
+#define WM831X_GP_INT_WIDTH 1 /* GP_INT */
+#define WM831X_ON_PIN_INT 0x1000 /* ON_PIN_INT */
+#define WM831X_ON_PIN_INT_MASK 0x1000 /* ON_PIN_INT */
+#define WM831X_ON_PIN_INT_SHIFT 12 /* ON_PIN_INT */
+#define WM831X_ON_PIN_INT_WIDTH 1 /* ON_PIN_INT */
+#define WM831X_WDOG_INT 0x0800 /* WDOG_INT */
+#define WM831X_WDOG_INT_MASK 0x0800 /* WDOG_INT */
+#define WM831X_WDOG_INT_SHIFT 11 /* WDOG_INT */
+#define WM831X_WDOG_INT_WIDTH 1 /* WDOG_INT */
+#define WM831X_TCHDATA_INT 0x0400 /* TCHDATA_INT */
+#define WM831X_TCHDATA_INT_MASK 0x0400 /* TCHDATA_INT */
+#define WM831X_TCHDATA_INT_SHIFT 10 /* TCHDATA_INT */
+#define WM831X_TCHDATA_INT_WIDTH 1 /* TCHDATA_INT */
+#define WM831X_TCHPD_INT 0x0200 /* TCHPD_INT */
+#define WM831X_TCHPD_INT_MASK 0x0200 /* TCHPD_INT */
+#define WM831X_TCHPD_INT_SHIFT 9 /* TCHPD_INT */
+#define WM831X_TCHPD_INT_WIDTH 1 /* TCHPD_INT */
+#define WM831X_AUXADC_INT 0x0100 /* AUXADC_INT */
+#define WM831X_AUXADC_INT_MASK 0x0100 /* AUXADC_INT */
+#define WM831X_AUXADC_INT_SHIFT 8 /* AUXADC_INT */
+#define WM831X_AUXADC_INT_WIDTH 1 /* AUXADC_INT */
+#define WM831X_PPM_INT 0x0080 /* PPM_INT */
+#define WM831X_PPM_INT_MASK 0x0080 /* PPM_INT */
+#define WM831X_PPM_INT_SHIFT 7 /* PPM_INT */
+#define WM831X_PPM_INT_WIDTH 1 /* PPM_INT */
+#define WM831X_CS_INT 0x0040 /* CS_INT */
+#define WM831X_CS_INT_MASK 0x0040 /* CS_INT */
+#define WM831X_CS_INT_SHIFT 6 /* CS_INT */
+#define WM831X_CS_INT_WIDTH 1 /* CS_INT */
+#define WM831X_RTC_INT 0x0020 /* RTC_INT */
+#define WM831X_RTC_INT_MASK 0x0020 /* RTC_INT */
+#define WM831X_RTC_INT_SHIFT 5 /* RTC_INT */
+#define WM831X_RTC_INT_WIDTH 1 /* RTC_INT */
+#define WM831X_OTP_INT 0x0010 /* OTP_INT */
+#define WM831X_OTP_INT_MASK 0x0010 /* OTP_INT */
+#define WM831X_OTP_INT_SHIFT 4 /* OTP_INT */
+#define WM831X_OTP_INT_WIDTH 1 /* OTP_INT */
+#define WM831X_CHILD_INT 0x0008 /* CHILD_INT */
+#define WM831X_CHILD_INT_MASK 0x0008 /* CHILD_INT */
+#define WM831X_CHILD_INT_SHIFT 3 /* CHILD_INT */
+#define WM831X_CHILD_INT_WIDTH 1 /* CHILD_INT */
+#define WM831X_CHG_INT 0x0004 /* CHG_INT */
+#define WM831X_CHG_INT_MASK 0x0004 /* CHG_INT */
+#define WM831X_CHG_INT_SHIFT 2 /* CHG_INT */
+#define WM831X_CHG_INT_WIDTH 1 /* CHG_INT */
+#define WM831X_HC_INT 0x0002 /* HC_INT */
+#define WM831X_HC_INT_MASK 0x0002 /* HC_INT */
+#define WM831X_HC_INT_SHIFT 1 /* HC_INT */
+#define WM831X_HC_INT_WIDTH 1 /* HC_INT */
+#define WM831X_UV_INT 0x0001 /* UV_INT */
+#define WM831X_UV_INT_MASK 0x0001 /* UV_INT */
+#define WM831X_UV_INT_SHIFT 0 /* UV_INT */
+#define WM831X_UV_INT_WIDTH 1 /* UV_INT */
+
+/*
+ * R16401 (0x4011) - Interrupt Status 1
+ */
+#define WM831X_PPM_SYSLO_EINT 0x8000 /* PPM_SYSLO_EINT */
+#define WM831X_PPM_SYSLO_EINT_MASK 0x8000 /* PPM_SYSLO_EINT */
+#define WM831X_PPM_SYSLO_EINT_SHIFT 15 /* PPM_SYSLO_EINT */
+#define WM831X_PPM_SYSLO_EINT_WIDTH 1 /* PPM_SYSLO_EINT */
+#define WM831X_PPM_PWR_SRC_EINT 0x4000 /* PPM_PWR_SRC_EINT */
+#define WM831X_PPM_PWR_SRC_EINT_MASK 0x4000 /* PPM_PWR_SRC_EINT */
+#define WM831X_PPM_PWR_SRC_EINT_SHIFT 14 /* PPM_PWR_SRC_EINT */
+#define WM831X_PPM_PWR_SRC_EINT_WIDTH 1 /* PPM_PWR_SRC_EINT */
+#define WM831X_PPM_USB_CURR_EINT 0x2000 /* PPM_USB_CURR_EINT */
+#define WM831X_PPM_USB_CURR_EINT_MASK 0x2000 /* PPM_USB_CURR_EINT */
+#define WM831X_PPM_USB_CURR_EINT_SHIFT 13 /* PPM_USB_CURR_EINT */
+#define WM831X_PPM_USB_CURR_EINT_WIDTH 1 /* PPM_USB_CURR_EINT */
+#define WM831X_ON_PIN_EINT 0x1000 /* ON_PIN_EINT */
+#define WM831X_ON_PIN_EINT_MASK 0x1000 /* ON_PIN_EINT */
+#define WM831X_ON_PIN_EINT_SHIFT 12 /* ON_PIN_EINT */
+#define WM831X_ON_PIN_EINT_WIDTH 1 /* ON_PIN_EINT */
+#define WM831X_WDOG_TO_EINT 0x0800 /* WDOG_TO_EINT */
+#define WM831X_WDOG_TO_EINT_MASK 0x0800 /* WDOG_TO_EINT */
+#define WM831X_WDOG_TO_EINT_SHIFT 11 /* WDOG_TO_EINT */
+#define WM831X_WDOG_TO_EINT_WIDTH 1 /* WDOG_TO_EINT */
+#define WM831X_TCHDATA_EINT 0x0400 /* TCHDATA_EINT */
+#define WM831X_TCHDATA_EINT_MASK 0x0400 /* TCHDATA_EINT */
+#define WM831X_TCHDATA_EINT_SHIFT 10 /* TCHDATA_EINT */
+#define WM831X_TCHDATA_EINT_WIDTH 1 /* TCHDATA_EINT */
+#define WM831X_TCHPD_EINT 0x0200 /* TCHPD_EINT */
+#define WM831X_TCHPD_EINT_MASK 0x0200 /* TCHPD_EINT */
+#define WM831X_TCHPD_EINT_SHIFT 9 /* TCHPD_EINT */
+#define WM831X_TCHPD_EINT_WIDTH 1 /* TCHPD_EINT */
+#define WM831X_AUXADC_DATA_EINT 0x0100 /* AUXADC_DATA_EINT */
+#define WM831X_AUXADC_DATA_EINT_MASK 0x0100 /* AUXADC_DATA_EINT */
+#define WM831X_AUXADC_DATA_EINT_SHIFT 8 /* AUXADC_DATA_EINT */
+#define WM831X_AUXADC_DATA_EINT_WIDTH 1 /* AUXADC_DATA_EINT */
+#define WM831X_AUXADC_DCOMP4_EINT 0x0080 /* AUXADC_DCOMP4_EINT */
+#define WM831X_AUXADC_DCOMP4_EINT_MASK 0x0080 /* AUXADC_DCOMP4_EINT */
+#define WM831X_AUXADC_DCOMP4_EINT_SHIFT 7 /* AUXADC_DCOMP4_EINT */
+#define WM831X_AUXADC_DCOMP4_EINT_WIDTH 1 /* AUXADC_DCOMP4_EINT */
+#define WM831X_AUXADC_DCOMP3_EINT 0x0040 /* AUXADC_DCOMP3_EINT */
+#define WM831X_AUXADC_DCOMP3_EINT_MASK 0x0040 /* AUXADC_DCOMP3_EINT */
+#define WM831X_AUXADC_DCOMP3_EINT_SHIFT 6 /* AUXADC_DCOMP3_EINT */
+#define WM831X_AUXADC_DCOMP3_EINT_WIDTH 1 /* AUXADC_DCOMP3_EINT */
+#define WM831X_AUXADC_DCOMP2_EINT 0x0020 /* AUXADC_DCOMP2_EINT */
+#define WM831X_AUXADC_DCOMP2_EINT_MASK 0x0020 /* AUXADC_DCOMP2_EINT */
+#define WM831X_AUXADC_DCOMP2_EINT_SHIFT 5 /* AUXADC_DCOMP2_EINT */
+#define WM831X_AUXADC_DCOMP2_EINT_WIDTH 1 /* AUXADC_DCOMP2_EINT */
+#define WM831X_AUXADC_DCOMP1_EINT 0x0010 /* AUXADC_DCOMP1_EINT */
+#define WM831X_AUXADC_DCOMP1_EINT_MASK 0x0010 /* AUXADC_DCOMP1_EINT */
+#define WM831X_AUXADC_DCOMP1_EINT_SHIFT 4 /* AUXADC_DCOMP1_EINT */
+#define WM831X_AUXADC_DCOMP1_EINT_WIDTH 1 /* AUXADC_DCOMP1_EINT */
+#define WM831X_RTC_PER_EINT 0x0008 /* RTC_PER_EINT */
+#define WM831X_RTC_PER_EINT_MASK 0x0008 /* RTC_PER_EINT */
+#define WM831X_RTC_PER_EINT_SHIFT 3 /* RTC_PER_EINT */
+#define WM831X_RTC_PER_EINT_WIDTH 1 /* RTC_PER_EINT */
+#define WM831X_RTC_ALM_EINT 0x0004 /* RTC_ALM_EINT */
+#define WM831X_RTC_ALM_EINT_MASK 0x0004 /* RTC_ALM_EINT */
+#define WM831X_RTC_ALM_EINT_SHIFT 2 /* RTC_ALM_EINT */
+#define WM831X_RTC_ALM_EINT_WIDTH 1 /* RTC_ALM_EINT */
+#define WM831X_TEMP_THW_EINT 0x0002 /* TEMP_THW_EINT */
+#define WM831X_TEMP_THW_EINT_MASK 0x0002 /* TEMP_THW_EINT */
+#define WM831X_TEMP_THW_EINT_SHIFT 1 /* TEMP_THW_EINT */
+#define WM831X_TEMP_THW_EINT_WIDTH 1 /* TEMP_THW_EINT */
+
+/*
+ * R16402 (0x4012) - Interrupt Status 2
+ */
+#define WM831X_CHG_BATT_HOT_EINT 0x8000 /* CHG_BATT_HOT_EINT */
+#define WM831X_CHG_BATT_HOT_EINT_MASK 0x8000 /* CHG_BATT_HOT_EINT */
+#define WM831X_CHG_BATT_HOT_EINT_SHIFT 15 /* CHG_BATT_HOT_EINT */
+#define WM831X_CHG_BATT_HOT_EINT_WIDTH 1 /* CHG_BATT_HOT_EINT */
+#define WM831X_CHG_BATT_COLD_EINT 0x4000 /* CHG_BATT_COLD_EINT */
+#define WM831X_CHG_BATT_COLD_EINT_MASK 0x4000 /* CHG_BATT_COLD_EINT */
+#define WM831X_CHG_BATT_COLD_EINT_SHIFT 14 /* CHG_BATT_COLD_EINT */
+#define WM831X_CHG_BATT_COLD_EINT_WIDTH 1 /* CHG_BATT_COLD_EINT */
+#define WM831X_CHG_BATT_FAIL_EINT 0x2000 /* CHG_BATT_FAIL_EINT */
+#define WM831X_CHG_BATT_FAIL_EINT_MASK 0x2000 /* CHG_BATT_FAIL_EINT */
+#define WM831X_CHG_BATT_FAIL_EINT_SHIFT 13 /* CHG_BATT_FAIL_EINT */
+#define WM831X_CHG_BATT_FAIL_EINT_WIDTH 1 /* CHG_BATT_FAIL_EINT */
+#define WM831X_CHG_OV_EINT 0x1000 /* CHG_OV_EINT */
+#define WM831X_CHG_OV_EINT_MASK 0x1000 /* CHG_OV_EINT */
+#define WM831X_CHG_OV_EINT_SHIFT 12 /* CHG_OV_EINT */
+#define WM831X_CHG_OV_EINT_WIDTH 1 /* CHG_OV_EINT */
+#define WM831X_CHG_END_EINT 0x0800 /* CHG_END_EINT */
+#define WM831X_CHG_END_EINT_MASK 0x0800 /* CHG_END_EINT */
+#define WM831X_CHG_END_EINT_SHIFT 11 /* CHG_END_EINT */
+#define WM831X_CHG_END_EINT_WIDTH 1 /* CHG_END_EINT */
+#define WM831X_CHG_TO_EINT 0x0400 /* CHG_TO_EINT */
+#define WM831X_CHG_TO_EINT_MASK 0x0400 /* CHG_TO_EINT */
+#define WM831X_CHG_TO_EINT_SHIFT 10 /* CHG_TO_EINT */
+#define WM831X_CHG_TO_EINT_WIDTH 1 /* CHG_TO_EINT */
+#define WM831X_CHG_MODE_EINT 0x0200 /* CHG_MODE_EINT */
+#define WM831X_CHG_MODE_EINT_MASK 0x0200 /* CHG_MODE_EINT */
+#define WM831X_CHG_MODE_EINT_SHIFT 9 /* CHG_MODE_EINT */
+#define WM831X_CHG_MODE_EINT_WIDTH 1 /* CHG_MODE_EINT */
+#define WM831X_CHG_START_EINT 0x0100 /* CHG_START_EINT */
+#define WM831X_CHG_START_EINT_MASK 0x0100 /* CHG_START_EINT */
+#define WM831X_CHG_START_EINT_SHIFT 8 /* CHG_START_EINT */
+#define WM831X_CHG_START_EINT_WIDTH 1 /* CHG_START_EINT */
+#define WM831X_CS2_EINT 0x0080 /* CS2_EINT */
+#define WM831X_CS2_EINT_MASK 0x0080 /* CS2_EINT */
+#define WM831X_CS2_EINT_SHIFT 7 /* CS2_EINT */
+#define WM831X_CS2_EINT_WIDTH 1 /* CS2_EINT */
+#define WM831X_CS1_EINT 0x0040 /* CS1_EINT */
+#define WM831X_CS1_EINT_MASK 0x0040 /* CS1_EINT */
+#define WM831X_CS1_EINT_SHIFT 6 /* CS1_EINT */
+#define WM831X_CS1_EINT_WIDTH 1 /* CS1_EINT */
+#define WM831X_OTP_CMD_END_EINT 0x0020 /* OTP_CMD_END_EINT */
+#define WM831X_OTP_CMD_END_EINT_MASK 0x0020 /* OTP_CMD_END_EINT */
+#define WM831X_OTP_CMD_END_EINT_SHIFT 5 /* OTP_CMD_END_EINT */
+#define WM831X_OTP_CMD_END_EINT_WIDTH 1 /* OTP_CMD_END_EINT */
+#define WM831X_OTP_ERR_EINT 0x0010 /* OTP_ERR_EINT */
+#define WM831X_OTP_ERR_EINT_MASK 0x0010 /* OTP_ERR_EINT */
+#define WM831X_OTP_ERR_EINT_SHIFT 4 /* OTP_ERR_EINT */
+#define WM831X_OTP_ERR_EINT_WIDTH 1 /* OTP_ERR_EINT */
+#define WM831X_PS_POR_EINT 0x0004 /* PS_POR_EINT */
+#define WM831X_PS_POR_EINT_MASK 0x0004 /* PS_POR_EINT */
+#define WM831X_PS_POR_EINT_SHIFT 2 /* PS_POR_EINT */
+#define WM831X_PS_POR_EINT_WIDTH 1 /* PS_POR_EINT */
+#define WM831X_PS_SLEEP_OFF_EINT 0x0002 /* PS_SLEEP_OFF_EINT */
+#define WM831X_PS_SLEEP_OFF_EINT_MASK 0x0002 /* PS_SLEEP_OFF_EINT */
+#define WM831X_PS_SLEEP_OFF_EINT_SHIFT 1 /* PS_SLEEP_OFF_EINT */
+#define WM831X_PS_SLEEP_OFF_EINT_WIDTH 1 /* PS_SLEEP_OFF_EINT */
+#define WM831X_PS_ON_WAKE_EINT 0x0001 /* PS_ON_WAKE_EINT */
+#define WM831X_PS_ON_WAKE_EINT_MASK 0x0001 /* PS_ON_WAKE_EINT */
+#define WM831X_PS_ON_WAKE_EINT_SHIFT 0 /* PS_ON_WAKE_EINT */
+#define WM831X_PS_ON_WAKE_EINT_WIDTH 1 /* PS_ON_WAKE_EINT */
+
+/*
+ * R16403 (0x4013) - Interrupt Status 3
+ */
+#define WM831X_UV_LDO10_EINT 0x0200 /* UV_LDO10_EINT */
+#define WM831X_UV_LDO10_EINT_MASK 0x0200 /* UV_LDO10_EINT */
+#define WM831X_UV_LDO10_EINT_SHIFT 9 /* UV_LDO10_EINT */
+#define WM831X_UV_LDO10_EINT_WIDTH 1 /* UV_LDO10_EINT */
+#define WM831X_UV_LDO9_EINT 0x0100 /* UV_LDO9_EINT */
+#define WM831X_UV_LDO9_EINT_MASK 0x0100 /* UV_LDO9_EINT */
+#define WM831X_UV_LDO9_EINT_SHIFT 8 /* UV_LDO9_EINT */
+#define WM831X_UV_LDO9_EINT_WIDTH 1 /* UV_LDO9_EINT */
+#define WM831X_UV_LDO8_EINT 0x0080 /* UV_LDO8_EINT */
+#define WM831X_UV_LDO8_EINT_MASK 0x0080 /* UV_LDO8_EINT */
+#define WM831X_UV_LDO8_EINT_SHIFT 7 /* UV_LDO8_EINT */
+#define WM831X_UV_LDO8_EINT_WIDTH 1 /* UV_LDO8_EINT */
+#define WM831X_UV_LDO7_EINT 0x0040 /* UV_LDO7_EINT */
+#define WM831X_UV_LDO7_EINT_MASK 0x0040 /* UV_LDO7_EINT */
+#define WM831X_UV_LDO7_EINT_SHIFT 6 /* UV_LDO7_EINT */
+#define WM831X_UV_LDO7_EINT_WIDTH 1 /* UV_LDO7_EINT */
+#define WM831X_UV_LDO6_EINT 0x0020 /* UV_LDO6_EINT */
+#define WM831X_UV_LDO6_EINT_MASK 0x0020 /* UV_LDO6_EINT */
+#define WM831X_UV_LDO6_EINT_SHIFT 5 /* UV_LDO6_EINT */
+#define WM831X_UV_LDO6_EINT_WIDTH 1 /* UV_LDO6_EINT */
+#define WM831X_UV_LDO5_EINT 0x0010 /* UV_LDO5_EINT */
+#define WM831X_UV_LDO5_EINT_MASK 0x0010 /* UV_LDO5_EINT */
+#define WM831X_UV_LDO5_EINT_SHIFT 4 /* UV_LDO5_EINT */
+#define WM831X_UV_LDO5_EINT_WIDTH 1 /* UV_LDO5_EINT */
+#define WM831X_UV_LDO4_EINT 0x0008 /* UV_LDO4_EINT */
+#define WM831X_UV_LDO4_EINT_MASK 0x0008 /* UV_LDO4_EINT */
+#define WM831X_UV_LDO4_EINT_SHIFT 3 /* UV_LDO4_EINT */
+#define WM831X_UV_LDO4_EINT_WIDTH 1 /* UV_LDO4_EINT */
+#define WM831X_UV_LDO3_EINT 0x0004 /* UV_LDO3_EINT */
+#define WM831X_UV_LDO3_EINT_MASK 0x0004 /* UV_LDO3_EINT */
+#define WM831X_UV_LDO3_EINT_SHIFT 2 /* UV_LDO3_EINT */
+#define WM831X_UV_LDO3_EINT_WIDTH 1 /* UV_LDO3_EINT */
+#define WM831X_UV_LDO2_EINT 0x0002 /* UV_LDO2_EINT */
+#define WM831X_UV_LDO2_EINT_MASK 0x0002 /* UV_LDO2_EINT */
+#define WM831X_UV_LDO2_EINT_SHIFT 1 /* UV_LDO2_EINT */
+#define WM831X_UV_LDO2_EINT_WIDTH 1 /* UV_LDO2_EINT */
+#define WM831X_UV_LDO1_EINT 0x0001 /* UV_LDO1_EINT */
+#define WM831X_UV_LDO1_EINT_MASK 0x0001 /* UV_LDO1_EINT */
+#define WM831X_UV_LDO1_EINT_SHIFT 0 /* UV_LDO1_EINT */
+#define WM831X_UV_LDO1_EINT_WIDTH 1 /* UV_LDO1_EINT */
+
+/*
+ * R16404 (0x4014) - Interrupt Status 4
+ */
+#define WM831X_HC_DC2_EINT 0x0200 /* HC_DC2_EINT */
+#define WM831X_HC_DC2_EINT_MASK 0x0200 /* HC_DC2_EINT */
+#define WM831X_HC_DC2_EINT_SHIFT 9 /* HC_DC2_EINT */
+#define WM831X_HC_DC2_EINT_WIDTH 1 /* HC_DC2_EINT */
+#define WM831X_HC_DC1_EINT 0x0100 /* HC_DC1_EINT */
+#define WM831X_HC_DC1_EINT_MASK 0x0100 /* HC_DC1_EINT */
+#define WM831X_HC_DC1_EINT_SHIFT 8 /* HC_DC1_EINT */
+#define WM831X_HC_DC1_EINT_WIDTH 1 /* HC_DC1_EINT */
+#define WM831X_UV_DC4_EINT 0x0008 /* UV_DC4_EINT */
+#define WM831X_UV_DC4_EINT_MASK 0x0008 /* UV_DC4_EINT */
+#define WM831X_UV_DC4_EINT_SHIFT 3 /* UV_DC4_EINT */
+#define WM831X_UV_DC4_EINT_WIDTH 1 /* UV_DC4_EINT */
+#define WM831X_UV_DC3_EINT 0x0004 /* UV_DC3_EINT */
+#define WM831X_UV_DC3_EINT_MASK 0x0004 /* UV_DC3_EINT */
+#define WM831X_UV_DC3_EINT_SHIFT 2 /* UV_DC3_EINT */
+#define WM831X_UV_DC3_EINT_WIDTH 1 /* UV_DC3_EINT */
+#define WM831X_UV_DC2_EINT 0x0002 /* UV_DC2_EINT */
+#define WM831X_UV_DC2_EINT_MASK 0x0002 /* UV_DC2_EINT */
+#define WM831X_UV_DC2_EINT_SHIFT 1 /* UV_DC2_EINT */
+#define WM831X_UV_DC2_EINT_WIDTH 1 /* UV_DC2_EINT */
+#define WM831X_UV_DC1_EINT 0x0001 /* UV_DC1_EINT */
+#define WM831X_UV_DC1_EINT_MASK 0x0001 /* UV_DC1_EINT */
+#define WM831X_UV_DC1_EINT_SHIFT 0 /* UV_DC1_EINT */
+#define WM831X_UV_DC1_EINT_WIDTH 1 /* UV_DC1_EINT */
+
+/*
+ * R16405 (0x4015) - Interrupt Status 5
+ */
+#define WM831X_GP16_EINT 0x8000 /* GP16_EINT */
+#define WM831X_GP16_EINT_MASK 0x8000 /* GP16_EINT */
+#define WM831X_GP16_EINT_SHIFT 15 /* GP16_EINT */
+#define WM831X_GP16_EINT_WIDTH 1 /* GP16_EINT */
+#define WM831X_GP15_EINT 0x4000 /* GP15_EINT */
+#define WM831X_GP15_EINT_MASK 0x4000 /* GP15_EINT */
+#define WM831X_GP15_EINT_SHIFT 14 /* GP15_EINT */
+#define WM831X_GP15_EINT_WIDTH 1 /* GP15_EINT */
+#define WM831X_GP14_EINT 0x2000 /* GP14_EINT */
+#define WM831X_GP14_EINT_MASK 0x2000 /* GP14_EINT */
+#define WM831X_GP14_EINT_SHIFT 13 /* GP14_EINT */
+#define WM831X_GP14_EINT_WIDTH 1 /* GP14_EINT */
+#define WM831X_GP13_EINT 0x1000 /* GP13_EINT */
+#define WM831X_GP13_EINT_MASK 0x1000 /* GP13_EINT */
+#define WM831X_GP13_EINT_SHIFT 12 /* GP13_EINT */
+#define WM831X_GP13_EINT_WIDTH 1 /* GP13_EINT */
+#define WM831X_GP12_EINT 0x0800 /* GP12_EINT */
+#define WM831X_GP12_EINT_MASK 0x0800 /* GP12_EINT */
+#define WM831X_GP12_EINT_SHIFT 11 /* GP12_EINT */
+#define WM831X_GP12_EINT_WIDTH 1 /* GP12_EINT */
+#define WM831X_GP11_EINT 0x0400 /* GP11_EINT */
+#define WM831X_GP11_EINT_MASK 0x0400 /* GP11_EINT */
+#define WM831X_GP11_EINT_SHIFT 10 /* GP11_EINT */
+#define WM831X_GP11_EINT_WIDTH 1 /* GP11_EINT */
+#define WM831X_GP10_EINT 0x0200 /* GP10_EINT */
+#define WM831X_GP10_EINT_MASK 0x0200 /* GP10_EINT */
+#define WM831X_GP10_EINT_SHIFT 9 /* GP10_EINT */
+#define WM831X_GP10_EINT_WIDTH 1 /* GP10_EINT */
+#define WM831X_GP9_EINT 0x0100 /* GP9_EINT */
+#define WM831X_GP9_EINT_MASK 0x0100 /* GP9_EINT */
+#define WM831X_GP9_EINT_SHIFT 8 /* GP9_EINT */
+#define WM831X_GP9_EINT_WIDTH 1 /* GP9_EINT */
+#define WM831X_GP8_EINT 0x0080 /* GP8_EINT */
+#define WM831X_GP8_EINT_MASK 0x0080 /* GP8_EINT */
+#define WM831X_GP8_EINT_SHIFT 7 /* GP8_EINT */
+#define WM831X_GP8_EINT_WIDTH 1 /* GP8_EINT */
+#define WM831X_GP7_EINT 0x0040 /* GP7_EINT */
+#define WM831X_GP7_EINT_MASK 0x0040 /* GP7_EINT */
+#define WM831X_GP7_EINT_SHIFT 6 /* GP7_EINT */
+#define WM831X_GP7_EINT_WIDTH 1 /* GP7_EINT */
+#define WM831X_GP6_EINT 0x0020 /* GP6_EINT */
+#define WM831X_GP6_EINT_MASK 0x0020 /* GP6_EINT */
+#define WM831X_GP6_EINT_SHIFT 5 /* GP6_EINT */
+#define WM831X_GP6_EINT_WIDTH 1 /* GP6_EINT */
+#define WM831X_GP5_EINT 0x0010 /* GP5_EINT */
+#define WM831X_GP5_EINT_MASK 0x0010 /* GP5_EINT */
+#define WM831X_GP5_EINT_SHIFT 4 /* GP5_EINT */
+#define WM831X_GP5_EINT_WIDTH 1 /* GP5_EINT */
+#define WM831X_GP4_EINT 0x0008 /* GP4_EINT */
+#define WM831X_GP4_EINT_MASK 0x0008 /* GP4_EINT */
+#define WM831X_GP4_EINT_SHIFT 3 /* GP4_EINT */
+#define WM831X_GP4_EINT_WIDTH 1 /* GP4_EINT */
+#define WM831X_GP3_EINT 0x0004 /* GP3_EINT */
+#define WM831X_GP3_EINT_MASK 0x0004 /* GP3_EINT */
+#define WM831X_GP3_EINT_SHIFT 2 /* GP3_EINT */
+#define WM831X_GP3_EINT_WIDTH 1 /* GP3_EINT */
+#define WM831X_GP2_EINT 0x0002 /* GP2_EINT */
+#define WM831X_GP2_EINT_MASK 0x0002 /* GP2_EINT */
+#define WM831X_GP2_EINT_SHIFT 1 /* GP2_EINT */
+#define WM831X_GP2_EINT_WIDTH 1 /* GP2_EINT */
+#define WM831X_GP1_EINT 0x0001 /* GP1_EINT */
+#define WM831X_GP1_EINT_MASK 0x0001 /* GP1_EINT */
+#define WM831X_GP1_EINT_SHIFT 0 /* GP1_EINT */
+#define WM831X_GP1_EINT_WIDTH 1 /* GP1_EINT */
+
+/*
+ * R16407 (0x4017) - IRQ Config
+ */
+#define WM831X_IRQ_OD 0x0002 /* IRQ_OD */
+#define WM831X_IRQ_OD_MASK 0x0002 /* IRQ_OD */
+#define WM831X_IRQ_OD_SHIFT 1 /* IRQ_OD */
+#define WM831X_IRQ_OD_WIDTH 1 /* IRQ_OD */
+#define WM831X_IM_IRQ 0x0001 /* IM_IRQ */
+#define WM831X_IM_IRQ_MASK 0x0001 /* IM_IRQ */
+#define WM831X_IM_IRQ_SHIFT 0 /* IM_IRQ */
+#define WM831X_IM_IRQ_WIDTH 1 /* IM_IRQ */
+
+/*
+ * R16408 (0x4018) - System Interrupts Mask
+ */
+#define WM831X_IM_PS_INT 0x8000 /* IM_PS_INT */
+#define WM831X_IM_PS_INT_MASK 0x8000 /* IM_PS_INT */
+#define WM831X_IM_PS_INT_SHIFT 15 /* IM_PS_INT */
+#define WM831X_IM_PS_INT_WIDTH 1 /* IM_PS_INT */
+#define WM831X_IM_TEMP_INT 0x4000 /* IM_TEMP_INT */
+#define WM831X_IM_TEMP_INT_MASK 0x4000 /* IM_TEMP_INT */
+#define WM831X_IM_TEMP_INT_SHIFT 14 /* IM_TEMP_INT */
+#define WM831X_IM_TEMP_INT_WIDTH 1 /* IM_TEMP_INT */
+#define WM831X_IM_GP_INT 0x2000 /* IM_GP_INT */
+#define WM831X_IM_GP_INT_MASK 0x2000 /* IM_GP_INT */
+#define WM831X_IM_GP_INT_SHIFT 13 /* IM_GP_INT */
+#define WM831X_IM_GP_INT_WIDTH 1 /* IM_GP_INT */
+#define WM831X_IM_ON_PIN_INT 0x1000 /* IM_ON_PIN_INT */
+#define WM831X_IM_ON_PIN_INT_MASK 0x1000 /* IM_ON_PIN_INT */
+#define WM831X_IM_ON_PIN_INT_SHIFT 12 /* IM_ON_PIN_INT */
+#define WM831X_IM_ON_PIN_INT_WIDTH 1 /* IM_ON_PIN_INT */
+#define WM831X_IM_WDOG_INT 0x0800 /* IM_WDOG_INT */
+#define WM831X_IM_WDOG_INT_MASK 0x0800 /* IM_WDOG_INT */
+#define WM831X_IM_WDOG_INT_SHIFT 11 /* IM_WDOG_INT */
+#define WM831X_IM_WDOG_INT_WIDTH 1 /* IM_WDOG_INT */
+#define WM831X_IM_TCHDATA_INT 0x0400 /* IM_TCHDATA_INT */
+#define WM831X_IM_TCHDATA_INT_MASK 0x0400 /* IM_TCHDATA_INT */
+#define WM831X_IM_TCHDATA_INT_SHIFT 10 /* IM_TCHDATA_INT */
+#define WM831X_IM_TCHDATA_INT_WIDTH 1 /* IM_TCHDATA_INT */
+#define WM831X_IM_TCHPD_INT 0x0200 /* IM_TCHPD_INT */
+#define WM831X_IM_TCHPD_INT_MASK 0x0200 /* IM_TCHPD_INT */
+#define WM831X_IM_TCHPD_INT_SHIFT 9 /* IM_TCHPD_INT */
+#define WM831X_IM_TCHPD_INT_WIDTH 1 /* IM_TCHPD_INT */
+#define WM831X_IM_AUXADC_INT 0x0100 /* IM_AUXADC_INT */
+#define WM831X_IM_AUXADC_INT_MASK 0x0100 /* IM_AUXADC_INT */
+#define WM831X_IM_AUXADC_INT_SHIFT 8 /* IM_AUXADC_INT */
+#define WM831X_IM_AUXADC_INT_WIDTH 1 /* IM_AUXADC_INT */
+#define WM831X_IM_PPM_INT 0x0080 /* IM_PPM_INT */
+#define WM831X_IM_PPM_INT_MASK 0x0080 /* IM_PPM_INT */
+#define WM831X_IM_PPM_INT_SHIFT 7 /* IM_PPM_INT */
+#define WM831X_IM_PPM_INT_WIDTH 1 /* IM_PPM_INT */
+#define WM831X_IM_CS_INT 0x0040 /* IM_CS_INT */
+#define WM831X_IM_CS_INT_MASK 0x0040 /* IM_CS_INT */
+#define WM831X_IM_CS_INT_SHIFT 6 /* IM_CS_INT */
+#define WM831X_IM_CS_INT_WIDTH 1 /* IM_CS_INT */
+#define WM831X_IM_RTC_INT 0x0020 /* IM_RTC_INT */
+#define WM831X_IM_RTC_INT_MASK 0x0020 /* IM_RTC_INT */
+#define WM831X_IM_RTC_INT_SHIFT 5 /* IM_RTC_INT */
+#define WM831X_IM_RTC_INT_WIDTH 1 /* IM_RTC_INT */
+#define WM831X_IM_OTP_INT 0x0010 /* IM_OTP_INT */
+#define WM831X_IM_OTP_INT_MASK 0x0010 /* IM_OTP_INT */
+#define WM831X_IM_OTP_INT_SHIFT 4 /* IM_OTP_INT */
+#define WM831X_IM_OTP_INT_WIDTH 1 /* IM_OTP_INT */
+#define WM831X_IM_CHILD_INT 0x0008 /* IM_CHILD_INT */
+#define WM831X_IM_CHILD_INT_MASK 0x0008 /* IM_CHILD_INT */
+#define WM831X_IM_CHILD_INT_SHIFT 3 /* IM_CHILD_INT */
+#define WM831X_IM_CHILD_INT_WIDTH 1 /* IM_CHILD_INT */
+#define WM831X_IM_CHG_INT 0x0004 /* IM_CHG_INT */
+#define WM831X_IM_CHG_INT_MASK 0x0004 /* IM_CHG_INT */
+#define WM831X_IM_CHG_INT_SHIFT 2 /* IM_CHG_INT */
+#define WM831X_IM_CHG_INT_WIDTH 1 /* IM_CHG_INT */
+#define WM831X_IM_HC_INT 0x0002 /* IM_HC_INT */
+#define WM831X_IM_HC_INT_MASK 0x0002 /* IM_HC_INT */
+#define WM831X_IM_HC_INT_SHIFT 1 /* IM_HC_INT */
+#define WM831X_IM_HC_INT_WIDTH 1 /* IM_HC_INT */
+#define WM831X_IM_UV_INT 0x0001 /* IM_UV_INT */
+#define WM831X_IM_UV_INT_MASK 0x0001 /* IM_UV_INT */
+#define WM831X_IM_UV_INT_SHIFT 0 /* IM_UV_INT */
+#define WM831X_IM_UV_INT_WIDTH 1 /* IM_UV_INT */
+
+/*
+ * R16409 (0x4019) - Interrupt Status 1 Mask
+ */
+#define WM831X_IM_PPM_SYSLO_EINT 0x8000 /* IM_PPM_SYSLO_EINT */
+#define WM831X_IM_PPM_SYSLO_EINT_MASK 0x8000 /* IM_PPM_SYSLO_EINT */
+#define WM831X_IM_PPM_SYSLO_EINT_SHIFT 15 /* IM_PPM_SYSLO_EINT */
+#define WM831X_IM_PPM_SYSLO_EINT_WIDTH 1 /* IM_PPM_SYSLO_EINT */
+#define WM831X_IM_PPM_PWR_SRC_EINT 0x4000 /* IM_PPM_PWR_SRC_EINT */
+#define WM831X_IM_PPM_PWR_SRC_EINT_MASK 0x4000 /* IM_PPM_PWR_SRC_EINT */
+#define WM831X_IM_PPM_PWR_SRC_EINT_SHIFT 14 /* IM_PPM_PWR_SRC_EINT */
+#define WM831X_IM_PPM_PWR_SRC_EINT_WIDTH 1 /* IM_PPM_PWR_SRC_EINT */
+#define WM831X_IM_PPM_USB_CURR_EINT 0x2000 /* IM_PPM_USB_CURR_EINT */
+#define WM831X_IM_PPM_USB_CURR_EINT_MASK 0x2000 /* IM_PPM_USB_CURR_EINT */
+#define WM831X_IM_PPM_USB_CURR_EINT_SHIFT 13 /* IM_PPM_USB_CURR_EINT */
+#define WM831X_IM_PPM_USB_CURR_EINT_WIDTH 1 /* IM_PPM_USB_CURR_EINT */
+#define WM831X_IM_ON_PIN_EINT 0x1000 /* IM_ON_PIN_EINT */
+#define WM831X_IM_ON_PIN_EINT_MASK 0x1000 /* IM_ON_PIN_EINT */
+#define WM831X_IM_ON_PIN_EINT_SHIFT 12 /* IM_ON_PIN_EINT */
+#define WM831X_IM_ON_PIN_EINT_WIDTH 1 /* IM_ON_PIN_EINT */
+#define WM831X_IM_WDOG_TO_EINT 0x0800 /* IM_WDOG_TO_EINT */
+#define WM831X_IM_WDOG_TO_EINT_MASK 0x0800 /* IM_WDOG_TO_EINT */
+#define WM831X_IM_WDOG_TO_EINT_SHIFT 11 /* IM_WDOG_TO_EINT */
+#define WM831X_IM_WDOG_TO_EINT_WIDTH 1 /* IM_WDOG_TO_EINT */
+#define WM831X_IM_TCHDATA_EINT 0x0400 /* IM_TCHDATA_EINT */
+#define WM831X_IM_TCHDATA_EINT_MASK 0x0400 /* IM_TCHDATA_EINT */
+#define WM831X_IM_TCHDATA_EINT_SHIFT 10 /* IM_TCHDATA_EINT */
+#define WM831X_IM_TCHDATA_EINT_WIDTH 1 /* IM_TCHDATA_EINT */
+#define WM831X_IM_TCHPD_EINT 0x0200 /* IM_TCHPD_EINT */
+#define WM831X_IM_TCHPD_EINT_MASK 0x0200 /* IM_TCHPD_EINT */
+#define WM831X_IM_TCHPD_EINT_SHIFT 9 /* IM_TCHPD_EINT */
+#define WM831X_IM_TCHPD_EINT_WIDTH 1 /* IM_TCHPD_EINT */
+#define WM831X_IM_AUXADC_DATA_EINT 0x0100 /* IM_AUXADC_DATA_EINT */
+#define WM831X_IM_AUXADC_DATA_EINT_MASK 0x0100 /* IM_AUXADC_DATA_EINT */
+#define WM831X_IM_AUXADC_DATA_EINT_SHIFT 8 /* IM_AUXADC_DATA_EINT */
+#define WM831X_IM_AUXADC_DATA_EINT_WIDTH 1 /* IM_AUXADC_DATA_EINT */
+#define WM831X_IM_AUXADC_DCOMP4_EINT 0x0080 /* IM_AUXADC_DCOMP4_EINT */
+#define WM831X_IM_AUXADC_DCOMP4_EINT_MASK 0x0080 /* IM_AUXADC_DCOMP4_EINT */
+#define WM831X_IM_AUXADC_DCOMP4_EINT_SHIFT 7 /* IM_AUXADC_DCOMP4_EINT */
+#define WM831X_IM_AUXADC_DCOMP4_EINT_WIDTH 1 /* IM_AUXADC_DCOMP4_EINT */
+#define WM831X_IM_AUXADC_DCOMP3_EINT 0x0040 /* IM_AUXADC_DCOMP3_EINT */
+#define WM831X_IM_AUXADC_DCOMP3_EINT_MASK 0x0040 /* IM_AUXADC_DCOMP3_EINT */
+#define WM831X_IM_AUXADC_DCOMP3_EINT_SHIFT 6 /* IM_AUXADC_DCOMP3_EINT */
+#define WM831X_IM_AUXADC_DCOMP3_EINT_WIDTH 1 /* IM_AUXADC_DCOMP3_EINT */
+#define WM831X_IM_AUXADC_DCOMP2_EINT 0x0020 /* IM_AUXADC_DCOMP2_EINT */
+#define WM831X_IM_AUXADC_DCOMP2_EINT_MASK 0x0020 /* IM_AUXADC_DCOMP2_EINT */
+#define WM831X_IM_AUXADC_DCOMP2_EINT_SHIFT 5 /* IM_AUXADC_DCOMP2_EINT */
+#define WM831X_IM_AUXADC_DCOMP2_EINT_WIDTH 1 /* IM_AUXADC_DCOMP2_EINT */
+#define WM831X_IM_AUXADC_DCOMP1_EINT 0x0010 /* IM_AUXADC_DCOMP1_EINT */
+#define WM831X_IM_AUXADC_DCOMP1_EINT_MASK 0x0010 /* IM_AUXADC_DCOMP1_EINT */
+#define WM831X_IM_AUXADC_DCOMP1_EINT_SHIFT 4 /* IM_AUXADC_DCOMP1_EINT */
+#define WM831X_IM_AUXADC_DCOMP1_EINT_WIDTH 1 /* IM_AUXADC_DCOMP1_EINT */
+#define WM831X_IM_RTC_PER_EINT 0x0008 /* IM_RTC_PER_EINT */
+#define WM831X_IM_RTC_PER_EINT_MASK 0x0008 /* IM_RTC_PER_EINT */
+#define WM831X_IM_RTC_PER_EINT_SHIFT 3 /* IM_RTC_PER_EINT */
+#define WM831X_IM_RTC_PER_EINT_WIDTH 1 /* IM_RTC_PER_EINT */
+#define WM831X_IM_RTC_ALM_EINT 0x0004 /* IM_RTC_ALM_EINT */
+#define WM831X_IM_RTC_ALM_EINT_MASK 0x0004 /* IM_RTC_ALM_EINT */
+#define WM831X_IM_RTC_ALM_EINT_SHIFT 2 /* IM_RTC_ALM_EINT */
+#define WM831X_IM_RTC_ALM_EINT_WIDTH 1 /* IM_RTC_ALM_EINT */
+#define WM831X_IM_TEMP_THW_EINT 0x0002 /* IM_TEMP_THW_EINT */
+#define WM831X_IM_TEMP_THW_EINT_MASK 0x0002 /* IM_TEMP_THW_EINT */
+#define WM831X_IM_TEMP_THW_EINT_SHIFT 1 /* IM_TEMP_THW_EINT */
+#define WM831X_IM_TEMP_THW_EINT_WIDTH 1 /* IM_TEMP_THW_EINT */
+
+/*
+ * R16410 (0x401A) - Interrupt Status 2 Mask
+ */
+#define WM831X_IM_CHG_BATT_HOT_EINT 0x8000 /* IM_CHG_BATT_HOT_EINT */
+#define WM831X_IM_CHG_BATT_HOT_EINT_MASK 0x8000 /* IM_CHG_BATT_HOT_EINT */
+#define WM831X_IM_CHG_BATT_HOT_EINT_SHIFT 15 /* IM_CHG_BATT_HOT_EINT */
+#define WM831X_IM_CHG_BATT_HOT_EINT_WIDTH 1 /* IM_CHG_BATT_HOT_EINT */
+#define WM831X_IM_CHG_BATT_COLD_EINT 0x4000 /* IM_CHG_BATT_COLD_EINT */
+#define WM831X_IM_CHG_BATT_COLD_EINT_MASK 0x4000 /* IM_CHG_BATT_COLD_EINT */
+#define WM831X_IM_CHG_BATT_COLD_EINT_SHIFT 14 /* IM_CHG_BATT_COLD_EINT */
+#define WM831X_IM_CHG_BATT_COLD_EINT_WIDTH 1 /* IM_CHG_BATT_COLD_EINT */
+#define WM831X_IM_CHG_BATT_FAIL_EINT 0x2000 /* IM_CHG_BATT_FAIL_EINT */
+#define WM831X_IM_CHG_BATT_FAIL_EINT_MASK 0x2000 /* IM_CHG_BATT_FAIL_EINT */
+#define WM831X_IM_CHG_BATT_FAIL_EINT_SHIFT 13 /* IM_CHG_BATT_FAIL_EINT */
+#define WM831X_IM_CHG_BATT_FAIL_EINT_WIDTH 1 /* IM_CHG_BATT_FAIL_EINT */
+#define WM831X_IM_CHG_OV_EINT 0x1000 /* IM_CHG_OV_EINT */
+#define WM831X_IM_CHG_OV_EINT_MASK 0x1000 /* IM_CHG_OV_EINT */
+#define WM831X_IM_CHG_OV_EINT_SHIFT 12 /* IM_CHG_OV_EINT */
+#define WM831X_IM_CHG_OV_EINT_WIDTH 1 /* IM_CHG_OV_EINT */
+#define WM831X_IM_CHG_END_EINT 0x0800 /* IM_CHG_END_EINT */
+#define WM831X_IM_CHG_END_EINT_MASK 0x0800 /* IM_CHG_END_EINT */
+#define WM831X_IM_CHG_END_EINT_SHIFT 11 /* IM_CHG_END_EINT */
+#define WM831X_IM_CHG_END_EINT_WIDTH 1 /* IM_CHG_END_EINT */
+#define WM831X_IM_CHG_TO_EINT 0x0400 /* IM_CHG_TO_EINT */
+#define WM831X_IM_CHG_TO_EINT_MASK 0x0400 /* IM_CHG_TO_EINT */
+#define WM831X_IM_CHG_TO_EINT_SHIFT 10 /* IM_CHG_TO_EINT */
+#define WM831X_IM_CHG_TO_EINT_WIDTH 1 /* IM_CHG_TO_EINT */
+#define WM831X_IM_CHG_MODE_EINT 0x0200 /* IM_CHG_MODE_EINT */
+#define WM831X_IM_CHG_MODE_EINT_MASK 0x0200 /* IM_CHG_MODE_EINT */
+#define WM831X_IM_CHG_MODE_EINT_SHIFT 9 /* IM_CHG_MODE_EINT */
+#define WM831X_IM_CHG_MODE_EINT_WIDTH 1 /* IM_CHG_MODE_EINT */
+#define WM831X_IM_CHG_START_EINT 0x0100 /* IM_CHG_START_EINT */
+#define WM831X_IM_CHG_START_EINT_MASK 0x0100 /* IM_CHG_START_EINT */
+#define WM831X_IM_CHG_START_EINT_SHIFT 8 /* IM_CHG_START_EINT */
+#define WM831X_IM_CHG_START_EINT_WIDTH 1 /* IM_CHG_START_EINT */
+#define WM831X_IM_CS2_EINT 0x0080 /* IM_CS2_EINT */
+#define WM831X_IM_CS2_EINT_MASK 0x0080 /* IM_CS2_EINT */
+#define WM831X_IM_CS2_EINT_SHIFT 7 /* IM_CS2_EINT */
+#define WM831X_IM_CS2_EINT_WIDTH 1 /* IM_CS2_EINT */
+#define WM831X_IM_CS1_EINT 0x0040 /* IM_CS1_EINT */
+#define WM831X_IM_CS1_EINT_MASK 0x0040 /* IM_CS1_EINT */
+#define WM831X_IM_CS1_EINT_SHIFT 6 /* IM_CS1_EINT */
+#define WM831X_IM_CS1_EINT_WIDTH 1 /* IM_CS1_EINT */
+#define WM831X_IM_OTP_CMD_END_EINT 0x0020 /* IM_OTP_CMD_END_EINT */
+#define WM831X_IM_OTP_CMD_END_EINT_MASK 0x0020 /* IM_OTP_CMD_END_EINT */
+#define WM831X_IM_OTP_CMD_END_EINT_SHIFT 5 /* IM_OTP_CMD_END_EINT */
+#define WM831X_IM_OTP_CMD_END_EINT_WIDTH 1 /* IM_OTP_CMD_END_EINT */
+#define WM831X_IM_OTP_ERR_EINT 0x0010 /* IM_OTP_ERR_EINT */
+#define WM831X_IM_OTP_ERR_EINT_MASK 0x0010 /* IM_OTP_ERR_EINT */
+#define WM831X_IM_OTP_ERR_EINT_SHIFT 4 /* IM_OTP_ERR_EINT */
+#define WM831X_IM_OTP_ERR_EINT_WIDTH 1 /* IM_OTP_ERR_EINT */
+#define WM831X_IM_PS_POR_EINT 0x0004 /* IM_PS_POR_EINT */
+#define WM831X_IM_PS_POR_EINT_MASK 0x0004 /* IM_PS_POR_EINT */
+#define WM831X_IM_PS_POR_EINT_SHIFT 2 /* IM_PS_POR_EINT */
+#define WM831X_IM_PS_POR_EINT_WIDTH 1 /* IM_PS_POR_EINT */
+#define WM831X_IM_PS_SLEEP_OFF_EINT 0x0002 /* IM_PS_SLEEP_OFF_EINT */
+#define WM831X_IM_PS_SLEEP_OFF_EINT_MASK 0x0002 /* IM_PS_SLEEP_OFF_EINT */
+#define WM831X_IM_PS_SLEEP_OFF_EINT_SHIFT 1 /* IM_PS_SLEEP_OFF_EINT */
+#define WM831X_IM_PS_SLEEP_OFF_EINT_WIDTH 1 /* IM_PS_SLEEP_OFF_EINT */
+#define WM831X_IM_PS_ON_WAKE_EINT 0x0001 /* IM_PS_ON_WAKE_EINT */
+#define WM831X_IM_PS_ON_WAKE_EINT_MASK 0x0001 /* IM_PS_ON_WAKE_EINT */
+#define WM831X_IM_PS_ON_WAKE_EINT_SHIFT 0 /* IM_PS_ON_WAKE_EINT */
+#define WM831X_IM_PS_ON_WAKE_EINT_WIDTH 1 /* IM_PS_ON_WAKE_EINT */
+
+/*
+ * R16411 (0x401B) - Interrupt Status 3 Mask
+ */
+#define WM831X_IM_UV_LDO10_EINT 0x0200 /* IM_UV_LDO10_EINT */
+#define WM831X_IM_UV_LDO10_EINT_MASK 0x0200 /* IM_UV_LDO10_EINT */
+#define WM831X_IM_UV_LDO10_EINT_SHIFT 9 /* IM_UV_LDO10_EINT */
+#define WM831X_IM_UV_LDO10_EINT_WIDTH 1 /* IM_UV_LDO10_EINT */
+#define WM831X_IM_UV_LDO9_EINT 0x0100 /* IM_UV_LDO9_EINT */
+#define WM831X_IM_UV_LDO9_EINT_MASK 0x0100 /* IM_UV_LDO9_EINT */
+#define WM831X_IM_UV_LDO9_EINT_SHIFT 8 /* IM_UV_LDO9_EINT */
+#define WM831X_IM_UV_LDO9_EINT_WIDTH 1 /* IM_UV_LDO9_EINT */
+#define WM831X_IM_UV_LDO8_EINT 0x0080 /* IM_UV_LDO8_EINT */
+#define WM831X_IM_UV_LDO8_EINT_MASK 0x0080 /* IM_UV_LDO8_EINT */
+#define WM831X_IM_UV_LDO8_EINT_SHIFT 7 /* IM_UV_LDO8_EINT */
+#define WM831X_IM_UV_LDO8_EINT_WIDTH 1 /* IM_UV_LDO8_EINT */
+#define WM831X_IM_UV_LDO7_EINT 0x0040 /* IM_UV_LDO7_EINT */
+#define WM831X_IM_UV_LDO7_EINT_MASK 0x0040 /* IM_UV_LDO7_EINT */
+#define WM831X_IM_UV_LDO7_EINT_SHIFT 6 /* IM_UV_LDO7_EINT */
+#define WM831X_IM_UV_LDO7_EINT_WIDTH 1 /* IM_UV_LDO7_EINT */
+#define WM831X_IM_UV_LDO6_EINT 0x0020 /* IM_UV_LDO6_EINT */
+#define WM831X_IM_UV_LDO6_EINT_MASK 0x0020 /* IM_UV_LDO6_EINT */
+#define WM831X_IM_UV_LDO6_EINT_SHIFT 5 /* IM_UV_LDO6_EINT */
+#define WM831X_IM_UV_LDO6_EINT_WIDTH 1 /* IM_UV_LDO6_EINT */
+#define WM831X_IM_UV_LDO5_EINT 0x0010 /* IM_UV_LDO5_EINT */
+#define WM831X_IM_UV_LDO5_EINT_MASK 0x0010 /* IM_UV_LDO5_EINT */
+#define WM831X_IM_UV_LDO5_EINT_SHIFT 4 /* IM_UV_LDO5_EINT */
+#define WM831X_IM_UV_LDO5_EINT_WIDTH 1 /* IM_UV_LDO5_EINT */
+#define WM831X_IM_UV_LDO4_EINT 0x0008 /* IM_UV_LDO4_EINT */
+#define WM831X_IM_UV_LDO4_EINT_MASK 0x0008 /* IM_UV_LDO4_EINT */
+#define WM831X_IM_UV_LDO4_EINT_SHIFT 3 /* IM_UV_LDO4_EINT */
+#define WM831X_IM_UV_LDO4_EINT_WIDTH 1 /* IM_UV_LDO4_EINT */
+#define WM831X_IM_UV_LDO3_EINT 0x0004 /* IM_UV_LDO3_EINT */
+#define WM831X_IM_UV_LDO3_EINT_MASK 0x0004 /* IM_UV_LDO3_EINT */
+#define WM831X_IM_UV_LDO3_EINT_SHIFT 2 /* IM_UV_LDO3_EINT */
+#define WM831X_IM_UV_LDO3_EINT_WIDTH 1 /* IM_UV_LDO3_EINT */
+#define WM831X_IM_UV_LDO2_EINT 0x0002 /* IM_UV_LDO2_EINT */
+#define WM831X_IM_UV_LDO2_EINT_MASK 0x0002 /* IM_UV_LDO2_EINT */
+#define WM831X_IM_UV_LDO2_EINT_SHIFT 1 /* IM_UV_LDO2_EINT */
+#define WM831X_IM_UV_LDO2_EINT_WIDTH 1 /* IM_UV_LDO2_EINT */
+#define WM831X_IM_UV_LDO1_EINT 0x0001 /* IM_UV_LDO1_EINT */
+#define WM831X_IM_UV_LDO1_EINT_MASK 0x0001 /* IM_UV_LDO1_EINT */
+#define WM831X_IM_UV_LDO1_EINT_SHIFT 0 /* IM_UV_LDO1_EINT */
+#define WM831X_IM_UV_LDO1_EINT_WIDTH 1 /* IM_UV_LDO1_EINT */
+
+/*
+ * R16412 (0x401C) - Interrupt Status 4 Mask
+ */
+#define WM831X_IM_HC_DC2_EINT 0x0200 /* IM_HC_DC2_EINT */
+#define WM831X_IM_HC_DC2_EINT_MASK 0x0200 /* IM_HC_DC2_EINT */
+#define WM831X_IM_HC_DC2_EINT_SHIFT 9 /* IM_HC_DC2_EINT */
+#define WM831X_IM_HC_DC2_EINT_WIDTH 1 /* IM_HC_DC2_EINT */
+#define WM831X_IM_HC_DC1_EINT 0x0100 /* IM_HC_DC1_EINT */
+#define WM831X_IM_HC_DC1_EINT_MASK 0x0100 /* IM_HC_DC1_EINT */
+#define WM831X_IM_HC_DC1_EINT_SHIFT 8 /* IM_HC_DC1_EINT */
+#define WM831X_IM_HC_DC1_EINT_WIDTH 1 /* IM_HC_DC1_EINT */
+#define WM831X_IM_UV_DC4_EINT 0x0008 /* IM_UV_DC4_EINT */
+#define WM831X_IM_UV_DC4_EINT_MASK 0x0008 /* IM_UV_DC4_EINT */
+#define WM831X_IM_UV_DC4_EINT_SHIFT 3 /* IM_UV_DC4_EINT */
+#define WM831X_IM_UV_DC4_EINT_WIDTH 1 /* IM_UV_DC4_EINT */
+#define WM831X_IM_UV_DC3_EINT 0x0004 /* IM_UV_DC3_EINT */
+#define WM831X_IM_UV_DC3_EINT_MASK 0x0004 /* IM_UV_DC3_EINT */
+#define WM831X_IM_UV_DC3_EINT_SHIFT 2 /* IM_UV_DC3_EINT */
+#define WM831X_IM_UV_DC3_EINT_WIDTH 1 /* IM_UV_DC3_EINT */
+#define WM831X_IM_UV_DC2_EINT 0x0002 /* IM_UV_DC2_EINT */
+#define WM831X_IM_UV_DC2_EINT_MASK 0x0002 /* IM_UV_DC2_EINT */
+#define WM831X_IM_UV_DC2_EINT_SHIFT 1 /* IM_UV_DC2_EINT */
+#define WM831X_IM_UV_DC2_EINT_WIDTH 1 /* IM_UV_DC2_EINT */
+#define WM831X_IM_UV_DC1_EINT 0x0001 /* IM_UV_DC1_EINT */
+#define WM831X_IM_UV_DC1_EINT_MASK 0x0001 /* IM_UV_DC1_EINT */
+#define WM831X_IM_UV_DC1_EINT_SHIFT 0 /* IM_UV_DC1_EINT */
+#define WM831X_IM_UV_DC1_EINT_WIDTH 1 /* IM_UV_DC1_EINT */
+
+/*
+ * R16413 (0x401D) - Interrupt Status 5 Mask
+ */
+#define WM831X_IM_GP16_EINT 0x8000 /* IM_GP16_EINT */
+#define WM831X_IM_GP16_EINT_MASK 0x8000 /* IM_GP16_EINT */
+#define WM831X_IM_GP16_EINT_SHIFT 15 /* IM_GP16_EINT */
+#define WM831X_IM_GP16_EINT_WIDTH 1 /* IM_GP16_EINT */
+#define WM831X_IM_GP15_EINT 0x4000 /* IM_GP15_EINT */
+#define WM831X_IM_GP15_EINT_MASK 0x4000 /* IM_GP15_EINT */
+#define WM831X_IM_GP15_EINT_SHIFT 14 /* IM_GP15_EINT */
+#define WM831X_IM_GP15_EINT_WIDTH 1 /* IM_GP15_EINT */
+#define WM831X_IM_GP14_EINT 0x2000 /* IM_GP14_EINT */
+#define WM831X_IM_GP14_EINT_MASK 0x2000 /* IM_GP14_EINT */
+#define WM831X_IM_GP14_EINT_SHIFT 13 /* IM_GP14_EINT */
+#define WM831X_IM_GP14_EINT_WIDTH 1 /* IM_GP14_EINT */
+#define WM831X_IM_GP13_EINT 0x1000 /* IM_GP13_EINT */
+#define WM831X_IM_GP13_EINT_MASK 0x1000 /* IM_GP13_EINT */
+#define WM831X_IM_GP13_EINT_SHIFT 12 /* IM_GP13_EINT */
+#define WM831X_IM_GP13_EINT_WIDTH 1 /* IM_GP13_EINT */
+#define WM831X_IM_GP12_EINT 0x0800 /* IM_GP12_EINT */
+#define WM831X_IM_GP12_EINT_MASK 0x0800 /* IM_GP12_EINT */
+#define WM831X_IM_GP12_EINT_SHIFT 11 /* IM_GP12_EINT */
+#define WM831X_IM_GP12_EINT_WIDTH 1 /* IM_GP12_EINT */
+#define WM831X_IM_GP11_EINT 0x0400 /* IM_GP11_EINT */
+#define WM831X_IM_GP11_EINT_MASK 0x0400 /* IM_GP11_EINT */
+#define WM831X_IM_GP11_EINT_SHIFT 10 /* IM_GP11_EINT */
+#define WM831X_IM_GP11_EINT_WIDTH 1 /* IM_GP11_EINT */
+#define WM831X_IM_GP10_EINT 0x0200 /* IM_GP10_EINT */
+#define WM831X_IM_GP10_EINT_MASK 0x0200 /* IM_GP10_EINT */
+#define WM831X_IM_GP10_EINT_SHIFT 9 /* IM_GP10_EINT */
+#define WM831X_IM_GP10_EINT_WIDTH 1 /* IM_GP10_EINT */
+#define WM831X_IM_GP9_EINT 0x0100 /* IM_GP9_EINT */
+#define WM831X_IM_GP9_EINT_MASK 0x0100 /* IM_GP9_EINT */
+#define WM831X_IM_GP9_EINT_SHIFT 8 /* IM_GP9_EINT */
+#define WM831X_IM_GP9_EINT_WIDTH 1 /* IM_GP9_EINT */
+#define WM831X_IM_GP8_EINT 0x0080 /* IM_GP8_EINT */
+#define WM831X_IM_GP8_EINT_MASK 0x0080 /* IM_GP8_EINT */
+#define WM831X_IM_GP8_EINT_SHIFT 7 /* IM_GP8_EINT */
+#define WM831X_IM_GP8_EINT_WIDTH 1 /* IM_GP8_EINT */
+#define WM831X_IM_GP7_EINT 0x0040 /* IM_GP7_EINT */
+#define WM831X_IM_GP7_EINT_MASK 0x0040 /* IM_GP7_EINT */
+#define WM831X_IM_GP7_EINT_SHIFT 6 /* IM_GP7_EINT */
+#define WM831X_IM_GP7_EINT_WIDTH 1 /* IM_GP7_EINT */
+#define WM831X_IM_GP6_EINT 0x0020 /* IM_GP6_EINT */
+#define WM831X_IM_GP6_EINT_MASK 0x0020 /* IM_GP6_EINT */
+#define WM831X_IM_GP6_EINT_SHIFT 5 /* IM_GP6_EINT */
+#define WM831X_IM_GP6_EINT_WIDTH 1 /* IM_GP6_EINT */
+#define WM831X_IM_GP5_EINT 0x0010 /* IM_GP5_EINT */
+#define WM831X_IM_GP5_EINT_MASK 0x0010 /* IM_GP5_EINT */
+#define WM831X_IM_GP5_EINT_SHIFT 4 /* IM_GP5_EINT */
+#define WM831X_IM_GP5_EINT_WIDTH 1 /* IM_GP5_EINT */
+#define WM831X_IM_GP4_EINT 0x0008 /* IM_GP4_EINT */
+#define WM831X_IM_GP4_EINT_MASK 0x0008 /* IM_GP4_EINT */
+#define WM831X_IM_GP4_EINT_SHIFT 3 /* IM_GP4_EINT */
+#define WM831X_IM_GP4_EINT_WIDTH 1 /* IM_GP4_EINT */
+#define WM831X_IM_GP3_EINT 0x0004 /* IM_GP3_EINT */
+#define WM831X_IM_GP3_EINT_MASK 0x0004 /* IM_GP3_EINT */
+#define WM831X_IM_GP3_EINT_SHIFT 2 /* IM_GP3_EINT */
+#define WM831X_IM_GP3_EINT_WIDTH 1 /* IM_GP3_EINT */
+#define WM831X_IM_GP2_EINT 0x0002 /* IM_GP2_EINT */
+#define WM831X_IM_GP2_EINT_MASK 0x0002 /* IM_GP2_EINT */
+#define WM831X_IM_GP2_EINT_SHIFT 1 /* IM_GP2_EINT */
+#define WM831X_IM_GP2_EINT_WIDTH 1 /* IM_GP2_EINT */
+#define WM831X_IM_GP1_EINT 0x0001 /* IM_GP1_EINT */
+#define WM831X_IM_GP1_EINT_MASK 0x0001 /* IM_GP1_EINT */
+#define WM831X_IM_GP1_EINT_SHIFT 0 /* IM_GP1_EINT */
+#define WM831X_IM_GP1_EINT_WIDTH 1 /* IM_GP1_EINT */
+
+
+#endif
--
GitLab
From 7e9f9fd4b8285c52c0950a1929864346de5caa6d Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 27 Jul 2009 14:45:54 +0100
Subject: [PATCH 588/742] mfd: Add WM831x AUXADC support
The WM831x contains an auxiliary ADC with a number of switchable
inputs which is used to monitor some of the voltages and
temperatures in the system and has some external inputs which can be
used for machine specific purposes. Provide an API allowing drivers
to read values from the ADC.
An internal reference voltage is provided to allow callibration of
the ADC. This is used to calibrate the device at startup.
The hardware also supports continuous readings and digital comparators.
These are not yet supported by the driver.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/wm831x-core.c | 101 ++++++++++++++
include/linux/mfd/wm831x/auxadc.h | 216 ++++++++++++++++++++++++++++++
include/linux/mfd/wm831x/core.h | 2 +
3 files changed, 319 insertions(+)
create mode 100644 include/linux/mfd/wm831x/auxadc.h
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index eb63d22160d1..42bef1dd2ca1 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -15,11 +15,14 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
+#include <linux/bcd.h>
+#include <linux/delay.h>
#include <linux/mfd/core.h>
#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
#include <linux/mfd/wm831x/irq.h>
+#include <linux/mfd/wm831x/auxadc.h>
enum wm831x_parent {
WM8310 = 0,
@@ -244,6 +247,103 @@ out:
}
EXPORT_SYMBOL_GPL(wm831x_set_bits);
+/**
+ * wm831x_auxadc_read: Read a value from the WM831x AUXADC
+ *
+ * @wm831x: Device to read from.
+ * @input: AUXADC input to read.
+ */
+int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
+{
+ int tries = 10;
+ int ret, src;
+
+ mutex_lock(&wm831x->auxadc_lock);
+
+ ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,
+ WM831X_AUX_ENA, WM831X_AUX_ENA);
+ if (ret < 0) {
+ dev_err(wm831x->dev, "Failed to enable AUXADC: %d\n", ret);
+ goto out;
+ }
+
+ /* We force a single source at present */
+ src = input;
+ ret = wm831x_reg_write(wm831x, WM831X_AUXADC_SOURCE,
+ 1 << src);
+ if (ret < 0) {
+ dev_err(wm831x->dev, "Failed to set AUXADC source: %d\n", ret);
+ goto out;
+ }
+
+ ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,
+ WM831X_AUX_CVT_ENA, WM831X_AUX_CVT_ENA);
+ if (ret < 0) {
+ dev_err(wm831x->dev, "Failed to start AUXADC: %d\n", ret);
+ goto disable;
+ }
+
+ do {
+ msleep(1);
+
+ ret = wm831x_reg_read(wm831x, WM831X_AUXADC_CONTROL);
+ if (ret < 0)
+ ret = WM831X_AUX_CVT_ENA;
+ } while ((ret & WM831X_AUX_CVT_ENA) && --tries);
+
+ if (ret & WM831X_AUX_CVT_ENA) {
+ dev_err(wm831x->dev, "Timed out reading AUXADC\n");
+ ret = -EBUSY;
+ goto disable;
+ }
+
+ ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA);
+ if (ret < 0) {
+ dev_err(wm831x->dev, "Failed to read AUXADC data: %d\n", ret);
+ } else {
+ src = ((ret & WM831X_AUX_DATA_SRC_MASK)
+ >> WM831X_AUX_DATA_SRC_SHIFT) - 1;
+
+ if (src == 14)
+ src = WM831X_AUX_CAL;
+
+ if (src != input) {
+ dev_err(wm831x->dev, "Data from source %d not %d\n",
+ src, input);
+ ret = -EINVAL;
+ } else {
+ ret &= WM831X_AUX_DATA_MASK;
+ }
+ }
+
+disable:
+ wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, WM831X_AUX_ENA, 0);
+out:
+ mutex_unlock(&wm831x->auxadc_lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(wm831x_auxadc_read);
+
+/**
+ * wm831x_auxadc_read_uv: Read a voltage from the WM831x AUXADC
+ *
+ * @wm831x: Device to read from.
+ * @input: AUXADC input to read.
+ */
+int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input)
+{
+ int ret;
+
+ ret = wm831x_auxadc_read(wm831x, input);
+ if (ret < 0)
+ return ret;
+
+ ret *= 1465;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(wm831x_auxadc_read_uv);
+
static struct resource wm831x_dcdc1_resources[] = {
{
.start = WM831X_DC1_CONTROL_1,
@@ -1084,6 +1184,7 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
mutex_init(&wm831x->io_lock);
mutex_init(&wm831x->key_lock);
+ mutex_init(&wm831x->auxadc_lock);
dev_set_drvdata(wm831x->dev, wm831x);
ret = wm831x_reg_read(wm831x, WM831X_PARENT_ID);
diff --git a/include/linux/mfd/wm831x/auxadc.h b/include/linux/mfd/wm831x/auxadc.h
new file mode 100644
index 000000000000..b132067e9e99
--- /dev/null
+++ b/include/linux/mfd/wm831x/auxadc.h
@@ -0,0 +1,216 @@
+/*
+ * include/linux/mfd/wm831x/auxadc.h -- Auxiliary ADC interface for WM831x
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM831X_AUXADC_H__
+#define __MFD_WM831X_AUXADC_H__
+
+/*
+ * R16429 (0x402D) - AuxADC Data
+ */
+#define WM831X_AUX_DATA_SRC_MASK 0xF000 /* AUX_DATA_SRC - [15:12] */
+#define WM831X_AUX_DATA_SRC_SHIFT 12 /* AUX_DATA_SRC - [15:12] */
+#define WM831X_AUX_DATA_SRC_WIDTH 4 /* AUX_DATA_SRC - [15:12] */
+#define WM831X_AUX_DATA_MASK 0x0FFF /* AUX_DATA - [11:0] */
+#define WM831X_AUX_DATA_SHIFT 0 /* AUX_DATA - [11:0] */
+#define WM831X_AUX_DATA_WIDTH 12 /* AUX_DATA - [11:0] */
+
+/*
+ * R16430 (0x402E) - AuxADC Control
+ */
+#define WM831X_AUX_ENA 0x8000 /* AUX_ENA */
+#define WM831X_AUX_ENA_MASK 0x8000 /* AUX_ENA */
+#define WM831X_AUX_ENA_SHIFT 15 /* AUX_ENA */
+#define WM831X_AUX_ENA_WIDTH 1 /* AUX_ENA */
+#define WM831X_AUX_CVT_ENA 0x4000 /* AUX_CVT_ENA */
+#define WM831X_AUX_CVT_ENA_MASK 0x4000 /* AUX_CVT_ENA */
+#define WM831X_AUX_CVT_ENA_SHIFT 14 /* AUX_CVT_ENA */
+#define WM831X_AUX_CVT_ENA_WIDTH 1 /* AUX_CVT_ENA */
+#define WM831X_AUX_SLPENA 0x1000 /* AUX_SLPENA */
+#define WM831X_AUX_SLPENA_MASK 0x1000 /* AUX_SLPENA */
+#define WM831X_AUX_SLPENA_SHIFT 12 /* AUX_SLPENA */
+#define WM831X_AUX_SLPENA_WIDTH 1 /* AUX_SLPENA */
+#define WM831X_AUX_FRC_ENA 0x0800 /* AUX_FRC_ENA */
+#define WM831X_AUX_FRC_ENA_MASK 0x0800 /* AUX_FRC_ENA */
+#define WM831X_AUX_FRC_ENA_SHIFT 11 /* AUX_FRC_ENA */
+#define WM831X_AUX_FRC_ENA_WIDTH 1 /* AUX_FRC_ENA */
+#define WM831X_AUX_RATE_MASK 0x003F /* AUX_RATE - [5:0] */
+#define WM831X_AUX_RATE_SHIFT 0 /* AUX_RATE - [5:0] */
+#define WM831X_AUX_RATE_WIDTH 6 /* AUX_RATE - [5:0] */
+
+/*
+ * R16431 (0x402F) - AuxADC Source
+ */
+#define WM831X_AUX_CAL_SEL 0x8000 /* AUX_CAL_SEL */
+#define WM831X_AUX_CAL_SEL_MASK 0x8000 /* AUX_CAL_SEL */
+#define WM831X_AUX_CAL_SEL_SHIFT 15 /* AUX_CAL_SEL */
+#define WM831X_AUX_CAL_SEL_WIDTH 1 /* AUX_CAL_SEL */
+#define WM831X_AUX_BKUP_BATT_SEL 0x0400 /* AUX_BKUP_BATT_SEL */
+#define WM831X_AUX_BKUP_BATT_SEL_MASK 0x0400 /* AUX_BKUP_BATT_SEL */
+#define WM831X_AUX_BKUP_BATT_SEL_SHIFT 10 /* AUX_BKUP_BATT_SEL */
+#define WM831X_AUX_BKUP_BATT_SEL_WIDTH 1 /* AUX_BKUP_BATT_SEL */
+#define WM831X_AUX_WALL_SEL 0x0200 /* AUX_WALL_SEL */
+#define WM831X_AUX_WALL_SEL_MASK 0x0200 /* AUX_WALL_SEL */
+#define WM831X_AUX_WALL_SEL_SHIFT 9 /* AUX_WALL_SEL */
+#define WM831X_AUX_WALL_SEL_WIDTH 1 /* AUX_WALL_SEL */
+#define WM831X_AUX_BATT_SEL 0x0100 /* AUX_BATT_SEL */
+#define WM831X_AUX_BATT_SEL_MASK 0x0100 /* AUX_BATT_SEL */
+#define WM831X_AUX_BATT_SEL_SHIFT 8 /* AUX_BATT_SEL */
+#define WM831X_AUX_BATT_SEL_WIDTH 1 /* AUX_BATT_SEL */
+#define WM831X_AUX_USB_SEL 0x0080 /* AUX_USB_SEL */
+#define WM831X_AUX_USB_SEL_MASK 0x0080 /* AUX_USB_SEL */
+#define WM831X_AUX_USB_SEL_SHIFT 7 /* AUX_USB_SEL */
+#define WM831X_AUX_USB_SEL_WIDTH 1 /* AUX_USB_SEL */
+#define WM831X_AUX_SYSVDD_SEL 0x0040 /* AUX_SYSVDD_SEL */
+#define WM831X_AUX_SYSVDD_SEL_MASK 0x0040 /* AUX_SYSVDD_SEL */
+#define WM831X_AUX_SYSVDD_SEL_SHIFT 6 /* AUX_SYSVDD_SEL */
+#define WM831X_AUX_SYSVDD_SEL_WIDTH 1 /* AUX_SYSVDD_SEL */
+#define WM831X_AUX_BATT_TEMP_SEL 0x0020 /* AUX_BATT_TEMP_SEL */
+#define WM831X_AUX_BATT_TEMP_SEL_MASK 0x0020 /* AUX_BATT_TEMP_SEL */
+#define WM831X_AUX_BATT_TEMP_SEL_SHIFT 5 /* AUX_BATT_TEMP_SEL */
+#define WM831X_AUX_BATT_TEMP_SEL_WIDTH 1 /* AUX_BATT_TEMP_SEL */
+#define WM831X_AUX_CHIP_TEMP_SEL 0x0010 /* AUX_CHIP_TEMP_SEL */
+#define WM831X_AUX_CHIP_TEMP_SEL_MASK 0x0010 /* AUX_CHIP_TEMP_SEL */
+#define WM831X_AUX_CHIP_TEMP_SEL_SHIFT 4 /* AUX_CHIP_TEMP_SEL */
+#define WM831X_AUX_CHIP_TEMP_SEL_WIDTH 1 /* AUX_CHIP_TEMP_SEL */
+#define WM831X_AUX_AUX4_SEL 0x0008 /* AUX_AUX4_SEL */
+#define WM831X_AUX_AUX4_SEL_MASK 0x0008 /* AUX_AUX4_SEL */
+#define WM831X_AUX_AUX4_SEL_SHIFT 3 /* AUX_AUX4_SEL */
+#define WM831X_AUX_AUX4_SEL_WIDTH 1 /* AUX_AUX4_SEL */
+#define WM831X_AUX_AUX3_SEL 0x0004 /* AUX_AUX3_SEL */
+#define WM831X_AUX_AUX3_SEL_MASK 0x0004 /* AUX_AUX3_SEL */
+#define WM831X_AUX_AUX3_SEL_SHIFT 2 /* AUX_AUX3_SEL */
+#define WM831X_AUX_AUX3_SEL_WIDTH 1 /* AUX_AUX3_SEL */
+#define WM831X_AUX_AUX2_SEL 0x0002 /* AUX_AUX2_SEL */
+#define WM831X_AUX_AUX2_SEL_MASK 0x0002 /* AUX_AUX2_SEL */
+#define WM831X_AUX_AUX2_SEL_SHIFT 1 /* AUX_AUX2_SEL */
+#define WM831X_AUX_AUX2_SEL_WIDTH 1 /* AUX_AUX2_SEL */
+#define WM831X_AUX_AUX1_SEL 0x0001 /* AUX_AUX1_SEL */
+#define WM831X_AUX_AUX1_SEL_MASK 0x0001 /* AUX_AUX1_SEL */
+#define WM831X_AUX_AUX1_SEL_SHIFT 0 /* AUX_AUX1_SEL */
+#define WM831X_AUX_AUX1_SEL_WIDTH 1 /* AUX_AUX1_SEL */
+
+/*
+ * R16432 (0x4030) - Comparator Control
+ */
+#define WM831X_DCOMP4_STS 0x0800 /* DCOMP4_STS */
+#define WM831X_DCOMP4_STS_MASK 0x0800 /* DCOMP4_STS */
+#define WM831X_DCOMP4_STS_SHIFT 11 /* DCOMP4_STS */
+#define WM831X_DCOMP4_STS_WIDTH 1 /* DCOMP4_STS */
+#define WM831X_DCOMP3_STS 0x0400 /* DCOMP3_STS */
+#define WM831X_DCOMP3_STS_MASK 0x0400 /* DCOMP3_STS */
+#define WM831X_DCOMP3_STS_SHIFT 10 /* DCOMP3_STS */
+#define WM831X_DCOMP3_STS_WIDTH 1 /* DCOMP3_STS */
+#define WM831X_DCOMP2_STS 0x0200 /* DCOMP2_STS */
+#define WM831X_DCOMP2_STS_MASK 0x0200 /* DCOMP2_STS */
+#define WM831X_DCOMP2_STS_SHIFT 9 /* DCOMP2_STS */
+#define WM831X_DCOMP2_STS_WIDTH 1 /* DCOMP2_STS */
+#define WM831X_DCOMP1_STS 0x0100 /* DCOMP1_STS */
+#define WM831X_DCOMP1_STS_MASK 0x0100 /* DCOMP1_STS */
+#define WM831X_DCOMP1_STS_SHIFT 8 /* DCOMP1_STS */
+#define WM831X_DCOMP1_STS_WIDTH 1 /* DCOMP1_STS */
+#define WM831X_DCMP4_ENA 0x0008 /* DCMP4_ENA */
+#define WM831X_DCMP4_ENA_MASK 0x0008 /* DCMP4_ENA */
+#define WM831X_DCMP4_ENA_SHIFT 3 /* DCMP4_ENA */
+#define WM831X_DCMP4_ENA_WIDTH 1 /* DCMP4_ENA */
+#define WM831X_DCMP3_ENA 0x0004 /* DCMP3_ENA */
+#define WM831X_DCMP3_ENA_MASK 0x0004 /* DCMP3_ENA */
+#define WM831X_DCMP3_ENA_SHIFT 2 /* DCMP3_ENA */
+#define WM831X_DCMP3_ENA_WIDTH 1 /* DCMP3_ENA */
+#define WM831X_DCMP2_ENA 0x0002 /* DCMP2_ENA */
+#define WM831X_DCMP2_ENA_MASK 0x0002 /* DCMP2_ENA */
+#define WM831X_DCMP2_ENA_SHIFT 1 /* DCMP2_ENA */
+#define WM831X_DCMP2_ENA_WIDTH 1 /* DCMP2_ENA */
+#define WM831X_DCMP1_ENA 0x0001 /* DCMP1_ENA */
+#define WM831X_DCMP1_ENA_MASK 0x0001 /* DCMP1_ENA */
+#define WM831X_DCMP1_ENA_SHIFT 0 /* DCMP1_ENA */
+#define WM831X_DCMP1_ENA_WIDTH 1 /* DCMP1_ENA */
+
+/*
+ * R16433 (0x4031) - Comparator 1
+ */
+#define WM831X_DCMP1_SRC_MASK 0xE000 /* DCMP1_SRC - [15:13] */
+#define WM831X_DCMP1_SRC_SHIFT 13 /* DCMP1_SRC - [15:13] */
+#define WM831X_DCMP1_SRC_WIDTH 3 /* DCMP1_SRC - [15:13] */
+#define WM831X_DCMP1_GT 0x1000 /* DCMP1_GT */
+#define WM831X_DCMP1_GT_MASK 0x1000 /* DCMP1_GT */
+#define WM831X_DCMP1_GT_SHIFT 12 /* DCMP1_GT */
+#define WM831X_DCMP1_GT_WIDTH 1 /* DCMP1_GT */
+#define WM831X_DCMP1_THR_MASK 0x0FFF /* DCMP1_THR - [11:0] */
+#define WM831X_DCMP1_THR_SHIFT 0 /* DCMP1_THR - [11:0] */
+#define WM831X_DCMP1_THR_WIDTH 12 /* DCMP1_THR - [11:0] */
+
+/*
+ * R16434 (0x4032) - Comparator 2
+ */
+#define WM831X_DCMP2_SRC_MASK 0xE000 /* DCMP2_SRC - [15:13] */
+#define WM831X_DCMP2_SRC_SHIFT 13 /* DCMP2_SRC - [15:13] */
+#define WM831X_DCMP2_SRC_WIDTH 3 /* DCMP2_SRC - [15:13] */
+#define WM831X_DCMP2_GT 0x1000 /* DCMP2_GT */
+#define WM831X_DCMP2_GT_MASK 0x1000 /* DCMP2_GT */
+#define WM831X_DCMP2_GT_SHIFT 12 /* DCMP2_GT */
+#define WM831X_DCMP2_GT_WIDTH 1 /* DCMP2_GT */
+#define WM831X_DCMP2_THR_MASK 0x0FFF /* DCMP2_THR - [11:0] */
+#define WM831X_DCMP2_THR_SHIFT 0 /* DCMP2_THR - [11:0] */
+#define WM831X_DCMP2_THR_WIDTH 12 /* DCMP2_THR - [11:0] */
+
+/*
+ * R16435 (0x4033) - Comparator 3
+ */
+#define WM831X_DCMP3_SRC_MASK 0xE000 /* DCMP3_SRC - [15:13] */
+#define WM831X_DCMP3_SRC_SHIFT 13 /* DCMP3_SRC - [15:13] */
+#define WM831X_DCMP3_SRC_WIDTH 3 /* DCMP3_SRC - [15:13] */
+#define WM831X_DCMP3_GT 0x1000 /* DCMP3_GT */
+#define WM831X_DCMP3_GT_MASK 0x1000 /* DCMP3_GT */
+#define WM831X_DCMP3_GT_SHIFT 12 /* DCMP3_GT */
+#define WM831X_DCMP3_GT_WIDTH 1 /* DCMP3_GT */
+#define WM831X_DCMP3_THR_MASK 0x0FFF /* DCMP3_THR - [11:0] */
+#define WM831X_DCMP3_THR_SHIFT 0 /* DCMP3_THR - [11:0] */
+#define WM831X_DCMP3_THR_WIDTH 12 /* DCMP3_THR - [11:0] */
+
+/*
+ * R16436 (0x4034) - Comparator 4
+ */
+#define WM831X_DCMP4_SRC_MASK 0xE000 /* DCMP4_SRC - [15:13] */
+#define WM831X_DCMP4_SRC_SHIFT 13 /* DCMP4_SRC - [15:13] */
+#define WM831X_DCMP4_SRC_WIDTH 3 /* DCMP4_SRC - [15:13] */
+#define WM831X_DCMP4_GT 0x1000 /* DCMP4_GT */
+#define WM831X_DCMP4_GT_MASK 0x1000 /* DCMP4_GT */
+#define WM831X_DCMP4_GT_SHIFT 12 /* DCMP4_GT */
+#define WM831X_DCMP4_GT_WIDTH 1 /* DCMP4_GT */
+#define WM831X_DCMP4_THR_MASK 0x0FFF /* DCMP4_THR - [11:0] */
+#define WM831X_DCMP4_THR_SHIFT 0 /* DCMP4_THR - [11:0] */
+#define WM831X_DCMP4_THR_WIDTH 12 /* DCMP4_THR - [11:0] */
+
+#define WM831X_AUX_CAL_FACTOR 0xfff
+#define WM831X_AUX_CAL_NOMINAL 0x222
+
+enum wm831x_auxadc {
+ WM831X_AUX_CAL = 15,
+ WM831X_AUX_BKUP_BATT = 10,
+ WM831X_AUX_WALL = 9,
+ WM831X_AUX_BATT = 8,
+ WM831X_AUX_USB = 7,
+ WM831X_AUX_SYSVDD = 6,
+ WM831X_AUX_BATT_TEMP = 5,
+ WM831X_AUX_CHIP_TEMP = 4,
+ WM831X_AUX_AUX4 = 3,
+ WM831X_AUX_AUX3 = 2,
+ WM831X_AUX_AUX2 = 1,
+ WM831X_AUX_AUX1 = 0,
+};
+
+int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input);
+int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input);
+
+#endif
diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
index b96c9355b16e..d7134dfba56e 100644
--- a/include/linux/mfd/wm831x/core.h
+++ b/include/linux/mfd/wm831x/core.h
@@ -234,6 +234,8 @@ struct wm831x {
unsigned int irq_base;
int irq_masks[5];
+ struct mutex auxadc_lock;
+
/* The WM831x has a security key blocking access to certain
* registers. The mutex is taken by the accessors for locking
* and unlocking the security key, locked is used to fail
--
GitLab
From 63aed85e3535b4603798184cc941e49de386d354 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 27 Jul 2009 14:45:55 +0100
Subject: [PATCH 589/742] mfd: Conditionally add WM831x backlight subdevice
The WM831x backlight driver requires at least the specification of the
current sink to use and a maximum current to allow them to function and
will actively interfere with other users of the regulators it uses if
misconfigured so only register the subdevice for it if this platform
data has been supplied.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/wm831x-core.c | 15 +++++++++++++++
include/linux/mfd/wm831x/pdata.h | 6 ++++++
2 files changed, 21 insertions(+)
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 42bef1dd2ca1..bc40ea315cc0 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -1172,6 +1172,12 @@ static struct mfd_cell wm8312_devs[] = {
},
};
+static struct mfd_cell backlight_devs[] = {
+ {
+ .name = "wm831x-backlight",
+ },
+};
+
/*
* Instantiate the generic non-control parts of the device.
*/
@@ -1325,6 +1331,15 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
goto err_irq;
}
+ if (pdata && pdata->backlight) {
+ /* Treat errors as non-critical */
+ ret = mfd_add_devices(wm831x->dev, -1, backlight_devs,
+ ARRAY_SIZE(backlight_devs), NULL, 0);
+ if (ret < 0)
+ dev_err(wm831x->dev, "Failed to add backlight: %d\n",
+ ret);
+ }
+
if (pdata && pdata->post_init) {
ret = pdata->post_init(wm831x);
if (ret != 0) {
diff --git a/include/linux/mfd/wm831x/pdata.h b/include/linux/mfd/wm831x/pdata.h
index 571e60136264..90d820260aad 100644
--- a/include/linux/mfd/wm831x/pdata.h
+++ b/include/linux/mfd/wm831x/pdata.h
@@ -18,6 +18,11 @@
struct wm831x;
struct regulator_init_data;
+struct wm831x_backlight_pdata {
+ int isink; /** ISINK to use, 1 or 2 */
+ int max_uA; /** Maximum current to allow */
+};
+
struct wm831x_backup_pdata {
int charger_enable;
int no_constant_voltage; /** Disable constant voltage charging */
@@ -87,6 +92,7 @@ struct wm831x_pdata {
int (*post_init)(struct wm831x *wm831x);
int gpio_base;
+ struct wm831x_backlight_pdata *backlight;
struct wm831x_backup_pdata *backup;
struct wm831x_battery_pdata *battery;
struct wm831x_touch_pdata *touch;
--
GitLab
From 6704e5171ba9053ba173bcd807c7392d2076bdb4 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 27 Jul 2009 14:45:56 +0100
Subject: [PATCH 590/742] mfd: Add basic WM831x OTP support
The WM831x series of devices use OTP (One Time Programmable, a type
of PROM) to store system configuration. At run time this data is
visible via registers.
Currently the only explicitly supported feature is that the unique
ID provided by every WM831x device is exported to user space via
sysfs. Other configuration data may be read by system-specific
code in the pre_init() and post_init() platform data operations.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/wm831x-core.c | 4 +
drivers/mfd/wm831x-otp.c | 83 +++++++++++++++++
include/linux/mfd/wm831x/otp.h | 162 +++++++++++++++++++++++++++++++++
3 files changed, 249 insertions(+)
create mode 100644 drivers/mfd/wm831x-otp.c
create mode 100644 include/linux/mfd/wm831x/otp.h
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index bc40ea315cc0..33eaea2f988e 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -23,6 +23,7 @@
#include <linux/mfd/wm831x/pdata.h>
#include <linux/mfd/wm831x/irq.h>
#include <linux/mfd/wm831x/auxadc.h>
+#include <linux/mfd/wm831x/otp.h>
enum wm831x_parent {
WM8310 = 0,
@@ -1340,6 +1341,8 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
ret);
}
+ wm831x_otp_init(wm831x);
+
if (pdata && pdata->post_init) {
ret = pdata->post_init(wm831x);
if (ret != 0) {
@@ -1360,6 +1363,7 @@ err:
static void wm831x_device_exit(struct wm831x *wm831x)
{
+ wm831x_otp_exit(wm831x);
mfd_remove_devices(wm831x->dev);
wm831x_irq_exit(wm831x);
kfree(wm831x);
diff --git a/drivers/mfd/wm831x-otp.c b/drivers/mfd/wm831x-otp.c
new file mode 100644
index 000000000000..f742745ff354
--- /dev/null
+++ b/drivers/mfd/wm831x-otp.c
@@ -0,0 +1,83 @@
+/*
+ * wm831x-otp.c -- OTP for Wolfson WM831x PMICs
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/bcd.h>
+#include <linux/delay.h>
+#include <linux/mfd/core.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/otp.h>
+
+/* In bytes */
+#define WM831X_UNIQUE_ID_LEN 16
+
+/* Read the unique ID from the chip into id */
+static int wm831x_unique_id_read(struct wm831x *wm831x, char *id)
+{
+ int i, val;
+
+ for (i = 0; i < WM831X_UNIQUE_ID_LEN / 2; i++) {
+ val = wm831x_reg_read(wm831x, WM831X_UNIQUE_ID_1 + i);
+ if (val < 0)
+ return val;
+
+ id[i * 2] = (val >> 8) & 0xff;
+ id[(i * 2) + 1] = val & 0xff;
+ }
+
+ return 0;
+}
+
+static ssize_t wm831x_unique_id_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct wm831x *wm831x = dev_get_drvdata(dev);
+ int i, rval;
+ char id[WM831X_UNIQUE_ID_LEN];
+ ssize_t ret = 0;
+
+ rval = wm831x_unique_id_read(wm831x, id);
+ if (rval < 0)
+ return 0;
+
+ for (i = 0; i < WM831X_UNIQUE_ID_LEN; i++)
+ ret += sprintf(&buf[ret], "%02x", buf[i]);
+
+ ret += sprintf(&buf[ret], "\n");
+
+ return ret;
+}
+
+static DEVICE_ATTR(unique_id, 0444, wm831x_unique_id_show, NULL);
+
+int wm831x_otp_init(struct wm831x *wm831x)
+{
+ int ret;
+
+ ret = device_create_file(wm831x->dev, &dev_attr_unique_id);
+ if (ret != 0)
+ dev_err(wm831x->dev, "Unique ID attribute not created: %d\n",
+ ret);
+
+ return ret;
+}
+
+void wm831x_otp_exit(struct wm831x *wm831x)
+{
+ device_remove_file(wm831x->dev, &dev_attr_unique_id);
+}
+
diff --git a/include/linux/mfd/wm831x/otp.h b/include/linux/mfd/wm831x/otp.h
new file mode 100644
index 000000000000..ce1f81a39bfc
--- /dev/null
+++ b/include/linux/mfd/wm831x/otp.h
@@ -0,0 +1,162 @@
+/*
+ * include/linux/mfd/wm831x/otp.h -- OTP interface for WM831x
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM831X_OTP_H__
+#define __MFD_WM831X_OTP_H__
+
+int wm831x_otp_init(struct wm831x *wm831x);
+void wm831x_otp_exit(struct wm831x *wm831x);
+
+/*
+ * R30720 (0x7800) - Unique ID 1
+ */
+#define WM831X_UNIQUE_ID_MASK 0xFFFF /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_SHIFT 0 /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_WIDTH 16 /* UNIQUE_ID - [15:0] */
+
+/*
+ * R30721 (0x7801) - Unique ID 2
+ */
+#define WM831X_UNIQUE_ID_MASK 0xFFFF /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_SHIFT 0 /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_WIDTH 16 /* UNIQUE_ID - [15:0] */
+
+/*
+ * R30722 (0x7802) - Unique ID 3
+ */
+#define WM831X_UNIQUE_ID_MASK 0xFFFF /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_SHIFT 0 /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_WIDTH 16 /* UNIQUE_ID - [15:0] */
+
+/*
+ * R30723 (0x7803) - Unique ID 4
+ */
+#define WM831X_UNIQUE_ID_MASK 0xFFFF /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_SHIFT 0 /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_WIDTH 16 /* UNIQUE_ID - [15:0] */
+
+/*
+ * R30724 (0x7804) - Unique ID 5
+ */
+#define WM831X_UNIQUE_ID_MASK 0xFFFF /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_SHIFT 0 /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_WIDTH 16 /* UNIQUE_ID - [15:0] */
+
+/*
+ * R30725 (0x7805) - Unique ID 6
+ */
+#define WM831X_UNIQUE_ID_MASK 0xFFFF /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_SHIFT 0 /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_WIDTH 16 /* UNIQUE_ID - [15:0] */
+
+/*
+ * R30726 (0x7806) - Unique ID 7
+ */
+#define WM831X_UNIQUE_ID_MASK 0xFFFF /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_SHIFT 0 /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_WIDTH 16 /* UNIQUE_ID - [15:0] */
+
+/*
+ * R30727 (0x7807) - Unique ID 8
+ */
+#define WM831X_UNIQUE_ID_MASK 0xFFFF /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_SHIFT 0 /* UNIQUE_ID - [15:0] */
+#define WM831X_UNIQUE_ID_WIDTH 16 /* UNIQUE_ID - [15:0] */
+
+/*
+ * R30728 (0x7808) - Factory OTP ID
+ */
+#define WM831X_OTP_FACT_ID_MASK 0xFFFE /* OTP_FACT_ID - [15:1] */
+#define WM831X_OTP_FACT_ID_SHIFT 1 /* OTP_FACT_ID - [15:1] */
+#define WM831X_OTP_FACT_ID_WIDTH 15 /* OTP_FACT_ID - [15:1] */
+#define WM831X_OTP_FACT_FINAL 0x0001 /* OTP_FACT_FINAL */
+#define WM831X_OTP_FACT_FINAL_MASK 0x0001 /* OTP_FACT_FINAL */
+#define WM831X_OTP_FACT_FINAL_SHIFT 0 /* OTP_FACT_FINAL */
+#define WM831X_OTP_FACT_FINAL_WIDTH 1 /* OTP_FACT_FINAL */
+
+/*
+ * R30729 (0x7809) - Factory OTP 1
+ */
+#define WM831X_DC3_TRIM_MASK 0xF000 /* DC3_TRIM - [15:12] */
+#define WM831X_DC3_TRIM_SHIFT 12 /* DC3_TRIM - [15:12] */
+#define WM831X_DC3_TRIM_WIDTH 4 /* DC3_TRIM - [15:12] */
+#define WM831X_DC2_TRIM_MASK 0x0FC0 /* DC2_TRIM - [11:6] */
+#define WM831X_DC2_TRIM_SHIFT 6 /* DC2_TRIM - [11:6] */
+#define WM831X_DC2_TRIM_WIDTH 6 /* DC2_TRIM - [11:6] */
+#define WM831X_DC1_TRIM_MASK 0x003F /* DC1_TRIM - [5:0] */
+#define WM831X_DC1_TRIM_SHIFT 0 /* DC1_TRIM - [5:0] */
+#define WM831X_DC1_TRIM_WIDTH 6 /* DC1_TRIM - [5:0] */
+
+/*
+ * R30730 (0x780A) - Factory OTP 2
+ */
+#define WM831X_CHIP_ID_MASK 0xFFFF /* CHIP_ID - [15:0] */
+#define WM831X_CHIP_ID_SHIFT 0 /* CHIP_ID - [15:0] */
+#define WM831X_CHIP_ID_WIDTH 16 /* CHIP_ID - [15:0] */
+
+/*
+ * R30731 (0x780B) - Factory OTP 3
+ */
+#define WM831X_OSC_TRIM_MASK 0x0780 /* OSC_TRIM - [10:7] */
+#define WM831X_OSC_TRIM_SHIFT 7 /* OSC_TRIM - [10:7] */
+#define WM831X_OSC_TRIM_WIDTH 4 /* OSC_TRIM - [10:7] */
+#define WM831X_BG_TRIM_MASK 0x0078 /* BG_TRIM - [6:3] */
+#define WM831X_BG_TRIM_SHIFT 3 /* BG_TRIM - [6:3] */
+#define WM831X_BG_TRIM_WIDTH 4 /* BG_TRIM - [6:3] */
+#define WM831X_LPBG_TRIM_MASK 0x0007 /* LPBG_TRIM - [2:0] */
+#define WM831X_LPBG_TRIM_SHIFT 0 /* LPBG_TRIM - [2:0] */
+#define WM831X_LPBG_TRIM_WIDTH 3 /* LPBG_TRIM - [2:0] */
+
+/*
+ * R30732 (0x780C) - Factory OTP 4
+ */
+#define WM831X_CHILD_I2C_ADDR_MASK 0x00FE /* CHILD_I2C_ADDR - [7:1] */
+#define WM831X_CHILD_I2C_ADDR_SHIFT 1 /* CHILD_I2C_ADDR - [7:1] */
+#define WM831X_CHILD_I2C_ADDR_WIDTH 7 /* CHILD_I2C_ADDR - [7:1] */
+#define WM831X_CH_AW 0x0001 /* CH_AW */
+#define WM831X_CH_AW_MASK 0x0001 /* CH_AW */
+#define WM831X_CH_AW_SHIFT 0 /* CH_AW */
+#define WM831X_CH_AW_WIDTH 1 /* CH_AW */
+
+/*
+ * R30733 (0x780D) - Factory OTP 5
+ */
+#define WM831X_CHARGE_TRIM_MASK 0x003F /* CHARGE_TRIM - [5:0] */
+#define WM831X_CHARGE_TRIM_SHIFT 0 /* CHARGE_TRIM - [5:0] */
+#define WM831X_CHARGE_TRIM_WIDTH 6 /* CHARGE_TRIM - [5:0] */
+
+/*
+ * R30736 (0x7810) - Customer OTP ID
+ */
+#define WM831X_OTP_AUTO_PROG 0x8000 /* OTP_AUTO_PROG */
+#define WM831X_OTP_AUTO_PROG_MASK 0x8000 /* OTP_AUTO_PROG */
+#define WM831X_OTP_AUTO_PROG_SHIFT 15 /* OTP_AUTO_PROG */
+#define WM831X_OTP_AUTO_PROG_WIDTH 1 /* OTP_AUTO_PROG */
+#define WM831X_OTP_CUST_ID_MASK 0x7FFE /* OTP_CUST_ID - [14:1] */
+#define WM831X_OTP_CUST_ID_SHIFT 1 /* OTP_CUST_ID - [14:1] */
+#define WM831X_OTP_CUST_ID_WIDTH 14 /* OTP_CUST_ID - [14:1] */
+#define WM831X_OTP_CUST_FINAL 0x0001 /* OTP_CUST_FINAL */
+#define WM831X_OTP_CUST_FINAL_MASK 0x0001 /* OTP_CUST_FINAL */
+#define WM831X_OTP_CUST_FINAL_SHIFT 0 /* OTP_CUST_FINAL */
+#define WM831X_OTP_CUST_FINAL_WIDTH 1 /* OTP_CUST_FINAL */
+
+/*
+ * R30759 (0x7827) - DBE CHECK DATA
+ */
+#define WM831X_DBE_VALID_DATA_MASK 0xFFFF /* DBE_VALID_DATA - [15:0] */
+#define WM831X_DBE_VALID_DATA_SHIFT 0 /* DBE_VALID_DATA - [15:0] */
+#define WM831X_DBE_VALID_DATA_WIDTH 16 /* DBE_VALID_DATA - [15:0] */
+
+
+#endif
--
GitLab
From 698659d5f78606c698781574773f433c60176e40 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 27 Jul 2009 14:45:57 +0100
Subject: [PATCH 591/742] mfd: Export ISEL values from WM831x core
The current settings which can be used with the WM831x current sinks
can't easily be mapped between register values and currents at run
time without a lookup table since the values scale logarithmically
to match the way the human eye interprets brightness. This lookup
table is inclided in the core since several drivers need to use it.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/wm831x-core.c | 64 ++++++++++++++++++++++++++++
include/linux/mfd/wm831x/regulator.h | 21 +++++++++
2 files changed, 85 insertions(+)
create mode 100644 include/linux/mfd/wm831x/regulator.h
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 33eaea2f988e..49b7885c2702 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -24,6 +24,70 @@
#include <linux/mfd/wm831x/irq.h>
#include <linux/mfd/wm831x/auxadc.h>
#include <linux/mfd/wm831x/otp.h>
+#include <linux/mfd/wm831x/regulator.h>
+
+/* Current settings - values are 2*2^(reg_val/4) microamps. These are
+ * exported since they are used by multiple drivers.
+ */
+int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL] = {
+ 2,
+ 2,
+ 3,
+ 3,
+ 4,
+ 5,
+ 6,
+ 7,
+ 8,
+ 10,
+ 11,
+ 13,
+ 16,
+ 19,
+ 23,
+ 27,
+ 32,
+ 38,
+ 45,
+ 54,
+ 64,
+ 76,
+ 91,
+ 108,
+ 128,
+ 152,
+ 181,
+ 215,
+ 256,
+ 304,
+ 362,
+ 431,
+ 512,
+ 609,
+ 724,
+ 861,
+ 1024,
+ 1218,
+ 1448,
+ 1722,
+ 2048,
+ 2435,
+ 2896,
+ 3444,
+ 4096,
+ 4871,
+ 5793,
+ 6889,
+ 8192,
+ 9742,
+ 11585,
+ 13777,
+ 16384,
+ 19484,
+ 23170,
+ 27554,
+};
+EXPORT_SYMBOL_GPL(wm831x_isinkv_values);
enum wm831x_parent {
WM8310 = 0,
diff --git a/include/linux/mfd/wm831x/regulator.h b/include/linux/mfd/wm831x/regulator.h
new file mode 100644
index 000000000000..b5d58fb38b4e
--- /dev/null
+++ b/include/linux/mfd/wm831x/regulator.h
@@ -0,0 +1,21 @@
+/*
+ * linux/mfd/wm831x/regulator.h -- Regulator definitons for wm831x
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM831X_REGULATOR_H__
+#define __MFD_WM831X_REGULATOR_H__
+
+#define WM831X_ISINK_MAX_ISEL 56
+extern int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL];
+
+#endif
--
GitLab
From b11062b9c558695cd054f16c697e1db0988e2603 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 27 Jul 2009 14:45:58 +0100
Subject: [PATCH 592/742] mfd: Hook WM831x into build system
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/Kconfig | 10 ++++++++++
drivers/mfd/Makefile | 2 ++
2 files changed, 12 insertions(+)
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 491ac0f800d2..0273456af77f 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -157,6 +157,16 @@ config MFD_WM8400
the device, additional drivers must be enabled in order to use
the functionality of the device.
+config MFD_WM831X
+ tristate "Support Wolfson Microelectronics WM831x PMICs"
+ select MFD_CORE
+ depends on I2C
+ help
+ Support for the Wolfson Microelecronics WM831x PMICs. This
+ driver provides common support for accessing the device,
+ additional drivers must be enabled in order to use the
+ functionality of the device.
+
config MFD_WM8350
tristate
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 6f8a9a1af20b..285cb320e6a6 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -15,6 +15,8 @@ obj-$(CONFIG_MFD_TC6387XB) += tc6387xb.o
obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o
obj-$(CONFIG_MFD_WM8400) += wm8400-core.o
+wm831x-objs := wm831x-core.o wm831x-irq.o wm831x-otp.o
+obj-$(CONFIG_MFD_WM831X) += wm831x.o
wm8350-objs := wm8350-core.o wm8350-regmap.o wm8350-gpio.o
obj-$(CONFIG_MFD_WM8350) += wm8350.o
obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o
--
GitLab
From e4b736f18f338daae141325c818187c4ab3e244c Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 27 Jul 2009 14:46:00 +0100
Subject: [PATCH 593/742] gpio: Add WM831X GPIO driver
Add support for the GPIO pins on the WM831x. No direct support is
currently supplied for configuring non-gpiolib functionality such
as pull configuration and alternate functions, soft configuration
of these will be provided in a future patch.
Currently use of these pins as interrupts is not supported due to
the ongoing issues with generic irq not support interrupt controllers
on interrupt driven buses. Users can directly request the interrupts
with the wm831x-specific APIs currently provided if required.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/gpio/Kconfig | 7 +
drivers/gpio/Makefile | 1 +
drivers/gpio/wm831x-gpio.c | 252 ++++++++++++++++++++++++++++++++
include/linux/mfd/wm831x/gpio.h | 55 +++++++
4 files changed, 315 insertions(+)
create mode 100644 drivers/gpio/wm831x-gpio.c
create mode 100644 include/linux/mfd/wm831x/gpio.h
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 96dda81c9228..6b4c484a699a 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -155,6 +155,13 @@ config GPIO_TWL4030
Say yes here to access the GPIO signals of various multi-function
power management chips from Texas Instruments.
+config GPIO_WM831X
+ tristate "WM831x GPIOs"
+ depends on MFD_WM831X
+ help
+ Say yes here to access the GPIO signals of WM831x power management
+ chips from Wolfson Microelectronics.
+
comment "PCI GPIO expanders:"
config GPIO_BT8XX
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 9244c6fcd8be..ea7c745f26a8 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -14,3 +14,4 @@ obj-$(CONFIG_GPIO_TWL4030) += twl4030-gpio.o
obj-$(CONFIG_GPIO_XILINX) += xilinx_gpio.o
obj-$(CONFIG_GPIO_BT8XX) += bt8xxgpio.o
obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o
+obj-$(CONFIG_GPIO_WM831X) += wm831x-gpio.o
diff --git a/drivers/gpio/wm831x-gpio.c b/drivers/gpio/wm831x-gpio.c
new file mode 100644
index 000000000000..f9c09a54ec7f
--- /dev/null
+++ b/drivers/gpio/wm831x-gpio.c
@@ -0,0 +1,252 @@
+/*
+ * wm831x-gpio.c -- gpiolib support for Wolfson WM831x PMICs
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/mfd/core.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/pdata.h>
+#include <linux/mfd/wm831x/gpio.h>
+
+#define WM831X_GPIO_MAX 16
+
+struct wm831x_gpio {
+ struct wm831x *wm831x;
+ struct gpio_chip gpio_chip;
+};
+
+static inline struct wm831x_gpio *to_wm831x_gpio(struct gpio_chip *chip)
+{
+ return container_of(chip, struct wm831x_gpio, gpio_chip);
+}
+
+static int wm831x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
+{
+ struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
+ struct wm831x *wm831x = wm831x_gpio->wm831x;
+
+ return wm831x_set_bits(wm831x, WM831X_GPIO1_CONTROL + offset,
+ WM831X_GPN_DIR | WM831X_GPN_TRI,
+ WM831X_GPN_DIR);
+}
+
+static int wm831x_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+ struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
+ struct wm831x *wm831x = wm831x_gpio->wm831x;
+ int ret;
+
+ ret = wm831x_reg_read(wm831x, WM831X_GPIO_LEVEL);
+ if (ret < 0)
+ return ret;
+
+ if (ret & 1 << offset)
+ return 1;
+ else
+ return 0;
+}
+
+static int wm831x_gpio_direction_out(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
+ struct wm831x *wm831x = wm831x_gpio->wm831x;
+
+ return wm831x_set_bits(wm831x, WM831X_GPIO1_CONTROL + offset,
+ WM831X_GPN_DIR | WM831X_GPN_TRI, 0);
+}
+
+static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+ struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
+ struct wm831x *wm831x = wm831x_gpio->wm831x;
+
+ wm831x_set_bits(wm831x, WM831X_GPIO_LEVEL, 1 << offset,
+ value << offset);
+}
+
+#ifdef CONFIG_DEBUG_FS
+static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
+{
+ struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
+ struct wm831x *wm831x = wm831x_gpio->wm831x;
+ int i;
+
+ for (i = 0; i < chip->ngpio; i++) {
+ int gpio = i + chip->base;
+ int reg;
+ const char *label, *pull, *powerdomain;
+
+ /* We report the GPIO even if it's not requested since
+ * we're also reporting things like alternate
+ * functions which apply even when the GPIO is not in
+ * use as a GPIO.
+ */
+ label = gpiochip_is_requested(chip, i);
+ if (!label)
+ label = "Unrequested";
+
+ seq_printf(s, " gpio-%-3d (%-20.20s) ", gpio, label);
+
+ reg = wm831x_reg_read(wm831x, WM831X_GPIO1_CONTROL + i);
+ if (reg < 0) {
+ dev_err(wm831x->dev,
+ "GPIO control %d read failed: %d\n",
+ gpio, reg);
+ seq_printf(s, "\n");
+ continue;
+ }
+
+ switch (reg & WM831X_GPN_PULL_MASK) {
+ case WM831X_GPIO_PULL_NONE:
+ pull = "nopull";
+ break;
+ case WM831X_GPIO_PULL_DOWN:
+ pull = "pulldown";
+ break;
+ case WM831X_GPIO_PULL_UP:
+ pull = "pullup";
+ default:
+ pull = "INVALID PULL";
+ break;
+ }
+
+ switch (i + 1) {
+ case 1 ... 3:
+ case 7 ... 9:
+ if (reg & WM831X_GPN_PWR_DOM)
+ powerdomain = "VPMIC";
+ else
+ powerdomain = "DBVDD";
+ break;
+
+ case 4 ... 6:
+ case 10 ... 12:
+ if (reg & WM831X_GPN_PWR_DOM)
+ powerdomain = "SYSVDD";
+ else
+ powerdomain = "DBVDD";
+ break;
+
+ case 13 ... 16:
+ powerdomain = "TPVDD";
+ break;
+
+ default:
+ BUG();
+ break;
+ }
+
+ seq_printf(s, " %s %s %s %s%s\n"
+ " %s%s (0x%4x)\n",
+ reg & WM831X_GPN_DIR ? "in" : "out",
+ wm831x_gpio_get(chip, i) ? "high" : "low",
+ pull,
+ powerdomain,
+ reg & WM831X_GPN_POL ? " inverted" : "",
+ reg & WM831X_GPN_OD ? "open-drain" : "CMOS",
+ reg & WM831X_GPN_TRI ? " tristated" : "",
+ reg);
+ }
+}
+#else
+#define wm831x_gpio_dbg_show NULL
+#endif
+
+static struct gpio_chip template_chip = {
+ .label = "wm831x",
+ .owner = THIS_MODULE,
+ .direction_input = wm831x_gpio_direction_in,
+ .get = wm831x_gpio_get,
+ .direction_output = wm831x_gpio_direction_out,
+ .set = wm831x_gpio_set,
+ .dbg_show = wm831x_gpio_dbg_show,
+ .can_sleep = 1,
+};
+
+static int __devinit wm831x_gpio_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct wm831x_gpio *wm831x_gpio;
+ int ret;
+
+ wm831x_gpio = kzalloc(sizeof(*wm831x_gpio), GFP_KERNEL);
+ if (wm831x_gpio == NULL)
+ return -ENOMEM;
+
+ wm831x_gpio->wm831x = wm831x;
+ wm831x_gpio->gpio_chip = template_chip;
+ wm831x_gpio->gpio_chip.ngpio = WM831X_GPIO_MAX;
+ wm831x_gpio->gpio_chip.dev = &pdev->dev;
+ if (pdata && pdata->gpio_base)
+ wm831x_gpio->gpio_chip.base = pdata->gpio_base;
+ else
+ wm831x_gpio->gpio_chip.base = -1;
+
+ ret = gpiochip_add(&wm831x_gpio->gpio_chip);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
+ ret);
+ goto err;
+ }
+
+ platform_set_drvdata(pdev, wm831x_gpio);
+
+ return ret;
+
+err:
+ kfree(wm831x_gpio);
+ return ret;
+}
+
+static int __devexit wm831x_gpio_remove(struct platform_device *pdev)
+{
+ struct wm831x_gpio *wm831x_gpio = platform_get_drvdata(pdev);
+ int ret;
+
+ ret = gpiochip_remove(&wm831x_gpio->gpio_chip);
+ if (ret == 0)
+ kfree(wm831x_gpio);
+
+ return ret;
+}
+
+static struct platform_driver wm831x_gpio_driver = {
+ .driver.name = "wm831x-gpio",
+ .driver.owner = THIS_MODULE,
+ .probe = wm831x_gpio_probe,
+ .remove = __devexit_p(wm831x_gpio_remove),
+};
+
+static int __init wm831x_gpio_init(void)
+{
+ return platform_driver_register(&wm831x_gpio_driver);
+}
+subsys_initcall(wm831x_gpio_init);
+
+static void __exit wm831x_gpio_exit(void)
+{
+ platform_driver_unregister(&wm831x_gpio_driver);
+}
+module_exit(wm831x_gpio_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("GPIO interface for WM831x PMICs");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm831x-gpio");
diff --git a/include/linux/mfd/wm831x/gpio.h b/include/linux/mfd/wm831x/gpio.h
new file mode 100644
index 000000000000..2835614af0e3
--- /dev/null
+++ b/include/linux/mfd/wm831x/gpio.h
@@ -0,0 +1,55 @@
+/*
+ * include/linux/mfd/wm831x/gpio.h -- GPIO for WM831x
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM831X_GPIO_H__
+#define __MFD_WM831X_GPIO_H__
+
+/*
+ * R16440-16455 (0x4038-0x4047) - GPIOx Control
+ */
+#define WM831X_GPN_DIR 0x8000 /* GPN_DIR */
+#define WM831X_GPN_DIR_MASK 0x8000 /* GPN_DIR */
+#define WM831X_GPN_DIR_SHIFT 15 /* GPN_DIR */
+#define WM831X_GPN_DIR_WIDTH 1 /* GPN_DIR */
+#define WM831X_GPN_PULL_MASK 0x6000 /* GPN_PULL - [14:13] */
+#define WM831X_GPN_PULL_SHIFT 13 /* GPN_PULL - [14:13] */
+#define WM831X_GPN_PULL_WIDTH 2 /* GPN_PULL - [14:13] */
+#define WM831X_GPN_INT_MODE 0x1000 /* GPN_INT_MODE */
+#define WM831X_GPN_INT_MODE_MASK 0x1000 /* GPN_INT_MODE */
+#define WM831X_GPN_INT_MODE_SHIFT 12 /* GPN_INT_MODE */
+#define WM831X_GPN_INT_MODE_WIDTH 1 /* GPN_INT_MODE */
+#define WM831X_GPN_PWR_DOM 0x0800 /* GPN_PWR_DOM */
+#define WM831X_GPN_PWR_DOM_MASK 0x0800 /* GPN_PWR_DOM */
+#define WM831X_GPN_PWR_DOM_SHIFT 11 /* GPN_PWR_DOM */
+#define WM831X_GPN_PWR_DOM_WIDTH 1 /* GPN_PWR_DOM */
+#define WM831X_GPN_POL 0x0400 /* GPN_POL */
+#define WM831X_GPN_POL_MASK 0x0400 /* GPN_POL */
+#define WM831X_GPN_POL_SHIFT 10 /* GPN_POL */
+#define WM831X_GPN_POL_WIDTH 1 /* GPN_POL */
+#define WM831X_GPN_OD 0x0200 /* GPN_OD */
+#define WM831X_GPN_OD_MASK 0x0200 /* GPN_OD */
+#define WM831X_GPN_OD_SHIFT 9 /* GPN_OD */
+#define WM831X_GPN_OD_WIDTH 1 /* GPN_OD */
+#define WM831X_GPN_TRI 0x0080 /* GPN_TRI */
+#define WM831X_GPN_TRI_MASK 0x0080 /* GPN_TRI */
+#define WM831X_GPN_TRI_SHIFT 7 /* GPN_TRI */
+#define WM831X_GPN_TRI_WIDTH 1 /* GPN_TRI */
+#define WM831X_GPN_FN_MASK 0x000F /* GPN_FN - [3:0] */
+#define WM831X_GPN_FN_SHIFT 0 /* GPN_FN - [3:0] */
+#define WM831X_GPN_FN_WIDTH 4 /* GPN_FN - [3:0] */
+
+#define WM831X_GPIO_PULL_NONE (0 << WM831X_GPN_PULL_SHIFT)
+#define WM831X_GPIO_PULL_DOWN (1 << WM831X_GPN_PULL_SHIFT)
+#define WM831X_GPIO_PULL_UP (2 << WM831X_GPN_PULL_SHIFT)
+#endif
--
GitLab
From 08bad5a821371548942aa13565831f18fe1875f3 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 28 Jul 2009 15:52:22 +0100
Subject: [PATCH 594/742] hwmon: WM831x PMIC hardware monitoring driver
This driver adds support for the hardware monitoring features of
the WM831x PMICs to the hwmon API. Monitoring is provided for
the system voltages supported natively by the WM831x, the chip
temperature, the battery temperature and the auxiliary inputs
of the WM831x.
Currently no alarms are supported, though digital comparators on
the WM831x devices would allow these to be provided.
Since the auxiliary and battery temperature input scaling depends
on the system configuration the value is reported as a voltage to
userspace.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
Documentation/hwmon/wm831x | 37 ++++++
drivers/hwmon/Kconfig | 11 ++
drivers/hwmon/Makefile | 1 +
drivers/hwmon/wm831x-hwmon.c | 226 +++++++++++++++++++++++++++++++++++
4 files changed, 275 insertions(+)
create mode 100644 Documentation/hwmon/wm831x
create mode 100644 drivers/hwmon/wm831x-hwmon.c
diff --git a/Documentation/hwmon/wm831x b/Documentation/hwmon/wm831x
new file mode 100644
index 000000000000..24f47d8f6a42
--- /dev/null
+++ b/Documentation/hwmon/wm831x
@@ -0,0 +1,37 @@
+Kernel driver wm831x-hwmon
+==========================
+
+Supported chips:
+ * Wolfson Microelectronics WM831x PMICs
+ Prefix: 'wm831x'
+ Datasheet:
+ http://www.wolfsonmicro.com/products/WM8310
+ http://www.wolfsonmicro.com/products/WM8311
+ http://www.wolfsonmicro.com/products/WM8312
+
+Authors: Mark Brown <broonie@opensource.wolfsonmicro.com>
+
+Description
+-----------
+
+The WM831x series of PMICs include an AUXADC which can be used to
+monitor a range of system operating parameters, including the voltages
+of the major supplies within the system. Currently the driver provides
+reporting of all the input values but does not provide any alarms.
+
+Voltage Monitoring
+------------------
+
+Voltages are sampled by a 12 bit ADC. Voltages in milivolts are 1.465
+times the ADC value.
+
+Temperature Monitoring
+----------------------
+
+Temperatures are sampled by a 12 bit ADC. Chip and battery temperatures
+are available. The chip temperature is calculated as:
+
+ Degrees celsius = (512.18 - data) / 1.0983
+
+while the battery temperature calculation will depend on the NTC
+thermistor component.
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 120085ce651a..83e07e55a78e 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -937,6 +937,17 @@ config SENSORS_W83627EHF
This driver can also be built as a module. If so, the module
will be called w83627ehf.
+config SENSORS_WM831X
+ tristate "WM831x PMICs"
+ depends on MFD_WM831X
+ help
+ If you say yes here you get support for the hardware
+ monitoring functionality of the Wolfson Microelectronics
+ WM831x series of PMICs.
+
+ This driver can also be built as a module. If so, the module
+ will be called wm831x-hwmon.
+
config SENSORS_WM8350
tristate "Wolfson Microelectronics WM835x"
depends on MFD_WM8350
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index ed5f1781b8c4..c5effd609abc 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -90,6 +90,7 @@ obj-$(CONFIG_SENSORS_VT8231) += vt8231.o
obj-$(CONFIG_SENSORS_W83627EHF) += w83627ehf.o
obj-$(CONFIG_SENSORS_W83L785TS) += w83l785ts.o
obj-$(CONFIG_SENSORS_W83L786NG) += w83l786ng.o
+obj-$(CONFIG_SENSORS_WM831X) += wm831x-hwmon.o
obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o
ifeq ($(CONFIG_HWMON_DEBUG_CHIP),y)
diff --git a/drivers/hwmon/wm831x-hwmon.c b/drivers/hwmon/wm831x-hwmon.c
new file mode 100644
index 000000000000..c16e9e74c356
--- /dev/null
+++ b/drivers/hwmon/wm831x-hwmon.c
@@ -0,0 +1,226 @@
+/*
+ * drivers/hwmon/wm831x-hwmon.c - Wolfson Microelectronics WM831x PMIC
+ * hardware monitoring features.
+ *
+ * Copyright (C) 2009 Wolfson Microelectronics plc
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License v2 as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/auxadc.h>
+
+struct wm831x_hwmon {
+ struct wm831x *wm831x;
+ struct device *classdev;
+};
+
+static ssize_t show_name(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "wm831x\n");
+}
+
+static const char *input_names[] = {
+ [WM831X_AUX_SYSVDD] = "SYSVDD",
+ [WM831X_AUX_USB] = "USB",
+ [WM831X_AUX_BKUP_BATT] = "Backup battery",
+ [WM831X_AUX_BATT] = "Battery",
+ [WM831X_AUX_WALL] = "WALL",
+ [WM831X_AUX_CHIP_TEMP] = "PMIC",
+ [WM831X_AUX_BATT_TEMP] = "Battery",
+};
+
+
+static ssize_t show_voltage(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct wm831x_hwmon *hwmon = dev_get_drvdata(dev);
+ int channel = to_sensor_dev_attr(attr)->index;
+ int ret;
+
+ ret = wm831x_auxadc_read_uv(hwmon->wm831x, channel);
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%d\n", DIV_ROUND_CLOSEST(ret, 1000));
+}
+
+static ssize_t show_chip_temp(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct wm831x_hwmon *hwmon = dev_get_drvdata(dev);
+ int channel = to_sensor_dev_attr(attr)->index;
+ int ret;
+
+ ret = wm831x_auxadc_read(hwmon->wm831x, channel);
+ if (ret < 0)
+ return ret;
+
+ /* Degrees celsius = (512.18-ret) / 1.0983 */
+ ret = 512180 - (ret * 1000);
+ ret = DIV_ROUND_CLOSEST(ret * 10000, 10983);
+
+ return sprintf(buf, "%d\n", ret);
+}
+
+static ssize_t show_label(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int channel = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%s\n", input_names[channel]);
+}
+
+#define WM831X_VOLTAGE(id, name) \
+ static SENSOR_DEVICE_ATTR(in##id##_input, S_IRUGO, show_voltage, \
+ NULL, name)
+
+#define WM831X_NAMED_VOLTAGE(id, name) \
+ WM831X_VOLTAGE(id, name); \
+ static SENSOR_DEVICE_ATTR(in##id##_label, S_IRUGO, show_label, \
+ NULL, name)
+
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+
+WM831X_VOLTAGE(0, WM831X_AUX_AUX1);
+WM831X_VOLTAGE(1, WM831X_AUX_AUX2);
+WM831X_VOLTAGE(2, WM831X_AUX_AUX3);
+WM831X_VOLTAGE(3, WM831X_AUX_AUX4);
+
+WM831X_NAMED_VOLTAGE(4, WM831X_AUX_SYSVDD);
+WM831X_NAMED_VOLTAGE(5, WM831X_AUX_USB);
+WM831X_NAMED_VOLTAGE(6, WM831X_AUX_BATT);
+WM831X_NAMED_VOLTAGE(7, WM831X_AUX_WALL);
+WM831X_NAMED_VOLTAGE(8, WM831X_AUX_BKUP_BATT);
+
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_chip_temp, NULL,
+ WM831X_AUX_CHIP_TEMP);
+static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_label, NULL,
+ WM831X_AUX_CHIP_TEMP);
+/* Report as a voltage since conversion depends on external components
+ * and that's what the ABI wants. */
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_voltage, NULL,
+ WM831X_AUX_BATT_TEMP);
+static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_label, NULL,
+ WM831X_AUX_BATT_TEMP);
+
+static struct attribute *wm831x_attributes[] = {
+ &dev_attr_name.attr,
+
+ &sensor_dev_attr_in0_input.dev_attr.attr,
+ &sensor_dev_attr_in1_input.dev_attr.attr,
+ &sensor_dev_attr_in2_input.dev_attr.attr,
+ &sensor_dev_attr_in3_input.dev_attr.attr,
+
+ &sensor_dev_attr_in4_input.dev_attr.attr,
+ &sensor_dev_attr_in4_label.dev_attr.attr,
+ &sensor_dev_attr_in5_input.dev_attr.attr,
+ &sensor_dev_attr_in5_label.dev_attr.attr,
+ &sensor_dev_attr_in6_input.dev_attr.attr,
+ &sensor_dev_attr_in6_label.dev_attr.attr,
+ &sensor_dev_attr_in7_input.dev_attr.attr,
+ &sensor_dev_attr_in7_label.dev_attr.attr,
+ &sensor_dev_attr_in8_input.dev_attr.attr,
+ &sensor_dev_attr_in8_label.dev_attr.attr,
+
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_label.dev_attr.attr,
+ &sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_label.dev_attr.attr,
+
+ NULL
+};
+
+static const struct attribute_group wm831x_attr_group = {
+ .attrs = wm831x_attributes,
+};
+
+static int __devinit wm831x_hwmon_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_hwmon *hwmon;
+ int ret;
+
+ hwmon = kzalloc(sizeof(struct wm831x_hwmon), GFP_KERNEL);
+ if (!hwmon)
+ return -ENOMEM;
+
+ hwmon->wm831x = wm831x;
+
+ ret = sysfs_create_group(&pdev->dev.kobj, &wm831x_attr_group);
+ if (ret)
+ goto err;
+
+ hwmon->classdev = hwmon_device_register(&pdev->dev);
+ if (IS_ERR(hwmon->classdev)) {
+ ret = PTR_ERR(hwmon->classdev);
+ goto err_sysfs;
+ }
+
+ platform_set_drvdata(pdev, hwmon);
+
+ return 0;
+
+err_sysfs:
+ sysfs_remove_group(&pdev->dev.kobj, &wm831x_attr_group);
+err:
+ kfree(hwmon);
+ return ret;
+}
+
+static int __devexit wm831x_hwmon_remove(struct platform_device *pdev)
+{
+ struct wm831x_hwmon *hwmon = platform_get_drvdata(pdev);
+
+ hwmon_device_unregister(hwmon->classdev);
+ sysfs_remove_group(&pdev->dev.kobj, &wm831x_attr_group);
+ platform_set_drvdata(pdev, NULL);
+ kfree(hwmon);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_hwmon_driver = {
+ .probe = wm831x_hwmon_probe,
+ .remove = __devexit_p(wm831x_hwmon_remove),
+ .driver = {
+ .name = "wm831x-hwmon",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init wm831x_hwmon_init(void)
+{
+ return platform_driver_register(&wm831x_hwmon_driver);
+}
+module_init(wm831x_hwmon_init);
+
+static void __exit wm831x_hwmon_exit(void)
+{
+ platform_driver_unregister(&wm831x_hwmon_driver);
+}
+module_exit(wm831x_hwmon_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("WM831x Hardware Monitoring");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm831x-hwmon");
--
GitLab
From 0c73b992dd4c645f050344cb13142c0fd3496824 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 15 Sep 2009 12:07:12 +0200
Subject: [PATCH 595/742] input: Add support for the WM831x ON pin
The WM831x series of PMICs support control of initial power on
through the ON pin on the device with soft control of the pin
at other times. Represent this to userspace as KEY_POWER.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/input/misc/Kconfig | 10 ++
drivers/input/misc/Makefile | 1 +
drivers/input/misc/wm831x-on.c | 163 ++++++++++++++++++++++++++++++++
include/linux/mfd/wm831x/core.h | 19 ++++
4 files changed, 193 insertions(+)
create mode 100644 drivers/input/misc/wm831x-on.c
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index cbe21bc96b52..852941d108ff 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -279,4 +279,14 @@ config INPUT_BFIN_ROTARY
To compile this driver as a module, choose M here: the
module will be called bfin-rotary.
+config INPUT_WM831X_ON
+ tristate "WM831X ON pin"
+ depends on MFD_WM831X
+ help
+ Support the ON pin of WM831X PMICs as an input device
+ reporting power button status.
+
+ To compile this driver as a module, choose M here: the module
+ will be called wm831x_on.
+
endif
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 79c1e9a5ea31..c97533fb83c8 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -26,4 +26,5 @@ obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o
obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON) += twl4030-pwrbutton.o
obj-$(CONFIG_INPUT_UINPUT) += uinput.o
obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o
+obj-$(CONFIG_INPUT_WM831X_ON) += wm831x-on.o
obj-$(CONFIG_INPUT_YEALINK) += yealink.o
diff --git a/drivers/input/misc/wm831x-on.c b/drivers/input/misc/wm831x-on.c
new file mode 100644
index 000000000000..ba4f5dd7c60e
--- /dev/null
+++ b/drivers/input/misc/wm831x-on.c
@@ -0,0 +1,163 @@
+/**
+ * wm831x-on.c - WM831X ON pin driver
+ *
+ * Copyright (C) 2009 Wolfson Microelectronics plc
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/workqueue.h>
+#include <linux/mfd/wm831x/core.h>
+
+struct wm831x_on {
+ struct input_dev *dev;
+ struct delayed_work work;
+ struct wm831x *wm831x;
+};
+
+/*
+ * The chip gives us an interrupt when the ON pin is asserted but we
+ * then need to poll to see when the pin is deasserted.
+ */
+static void wm831x_poll_on(struct work_struct *work)
+{
+ struct wm831x_on *wm831x_on = container_of(work, struct wm831x_on,
+ work.work);
+ struct wm831x *wm831x = wm831x_on->wm831x;
+ int poll, ret;
+
+ ret = wm831x_reg_read(wm831x, WM831X_ON_PIN_CONTROL);
+ if (ret >= 0) {
+ poll = !(ret & WM831X_ON_PIN_STS);
+
+ input_report_key(wm831x_on->dev, KEY_POWER, poll);
+ input_sync(wm831x_on->dev);
+ } else {
+ dev_err(wm831x->dev, "Failed to read ON status: %d\n", ret);
+ poll = 1;
+ }
+
+ if (poll)
+ schedule_delayed_work(&wm831x_on->work, 100);
+}
+
+static irqreturn_t wm831x_on_irq(int irq, void *data)
+{
+ struct wm831x_on *wm831x_on = data;
+
+ schedule_delayed_work(&wm831x_on->work, 0);
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit wm831x_on_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_on *wm831x_on;
+ int irq = platform_get_irq(pdev, 0);
+ int ret;
+
+ wm831x_on = kzalloc(sizeof(struct wm831x_on), GFP_KERNEL);
+ if (!wm831x_on) {
+ dev_err(&pdev->dev, "Can't allocate data\n");
+ return -ENOMEM;
+ }
+
+ wm831x_on->wm831x = wm831x;
+ INIT_DELAYED_WORK(&wm831x_on->work, wm831x_poll_on);
+
+ wm831x_on->dev = input_allocate_device();
+ if (!wm831x_on->dev) {
+ dev_err(&pdev->dev, "Can't allocate input dev\n");
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ wm831x_on->dev->evbit[0] = BIT_MASK(EV_KEY);
+ wm831x_on->dev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
+ wm831x_on->dev->name = "wm831x_on";
+ wm831x_on->dev->phys = "wm831x_on/input0";
+ wm831x_on->dev->dev.parent = &pdev->dev;
+
+ ret = wm831x_request_irq(wm831x, irq, wm831x_on_irq,
+ IRQF_TRIGGER_RISING, "wm831x_on", wm831x_on);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Unable to request IRQ: %d\n", ret);
+ goto err_input_dev;
+ }
+ ret = input_register_device(wm831x_on->dev);
+ if (ret) {
+ dev_dbg(&pdev->dev, "Can't register input device: %d\n", ret);
+ goto err_irq;
+ }
+
+ platform_set_drvdata(pdev, wm831x_on);
+
+ return 0;
+
+err_irq:
+ wm831x_free_irq(wm831x, irq, NULL);
+err_input_dev:
+ input_free_device(wm831x_on->dev);
+err:
+ kfree(wm831x_on);
+ return ret;
+}
+
+static int __devexit wm831x_on_remove(struct platform_device *pdev)
+{
+ struct wm831x_on *wm831x_on = platform_get_drvdata(pdev);
+ int irq = platform_get_irq(pdev, 0);
+
+ wm831x_free_irq(wm831x_on->wm831x, irq, wm831x_on);
+ cancel_delayed_work_sync(&wm831x_on->work);
+ input_unregister_device(wm831x_on->dev);
+ kfree(wm831x_on);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_on_driver = {
+ .probe = wm831x_on_probe,
+ .remove = __devexit_p(wm831x_on_remove),
+ .driver = {
+ .name = "wm831x-on",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init wm831x_on_init(void)
+{
+ return platform_driver_register(&wm831x_on_driver);
+}
+module_init(wm831x_on_init);
+
+static void __exit wm831x_on_exit(void)
+{
+ platform_driver_unregister(&wm831x_on_driver);
+}
+module_exit(wm831x_on_exit);
+
+MODULE_ALIAS("platform:wm831x-on");
+MODULE_DESCRIPTION("WM831x ON pin");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+
diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
index d7134dfba56e..91eb493bf14c 100644
--- a/include/linux/mfd/wm831x/core.h
+++ b/include/linux/mfd/wm831x/core.h
@@ -216,6 +216,25 @@
#define WM831X_PARENT_ID_SHIFT 0 /* PARENT_ID - [15:0] */
#define WM831X_PARENT_ID_WIDTH 16 /* PARENT_ID - [15:0] */
+/*
+ * R16389 (0x4005) - ON Pin Control
+ */
+#define WM831X_ON_PIN_SECACT_MASK 0x0300 /* ON_PIN_SECACT - [9:8] */
+#define WM831X_ON_PIN_SECACT_SHIFT 8 /* ON_PIN_SECACT - [9:8] */
+#define WM831X_ON_PIN_SECACT_WIDTH 2 /* ON_PIN_SECACT - [9:8] */
+#define WM831X_ON_PIN_PRIMACT_MASK 0x0030 /* ON_PIN_PRIMACT - [5:4] */
+#define WM831X_ON_PIN_PRIMACT_SHIFT 4 /* ON_PIN_PRIMACT - [5:4] */
+#define WM831X_ON_PIN_PRIMACT_WIDTH 2 /* ON_PIN_PRIMACT - [5:4] */
+#define WM831X_ON_PIN_STS 0x0008 /* ON_PIN_STS */
+#define WM831X_ON_PIN_STS_MASK 0x0008 /* ON_PIN_STS */
+#define WM831X_ON_PIN_STS_SHIFT 3 /* ON_PIN_STS */
+#define WM831X_ON_PIN_STS_WIDTH 1 /* ON_PIN_STS */
+#define WM831X_ON_PIN_TO_MASK 0x0003 /* ON_PIN_TO - [1:0] */
+#define WM831X_ON_PIN_TO_SHIFT 0 /* ON_PIN_TO - [1:0] */
+#define WM831X_ON_PIN_TO_WIDTH 2 /* ON_PIN_TO - [1:0] */
+
+struct regulator_dev;
+
struct wm831x {
struct mutex io_lock;
--
GitLab
From be721979dd6b335e4ab6f83abb5cc11c33662aa8 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 4 Aug 2009 20:09:52 +0200
Subject: [PATCH 596/742] regulator: Provide mode to status conversion function
This is useful for implementing get_status() in terms of get_mode().
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/core.c | 24 ++++++++++++++++++++++++
include/linux/regulator/driver.h | 2 ++
2 files changed, 26 insertions(+)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 98c3a74e9949..91ba9bfaa706 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1864,6 +1864,30 @@ int regulator_notifier_call_chain(struct regulator_dev *rdev,
}
EXPORT_SYMBOL_GPL(regulator_notifier_call_chain);
+/**
+ * regulator_mode_to_status - convert a regulator mode into a status
+ *
+ * @mode: Mode to convert
+ *
+ * Convert a regulator mode into a status.
+ */
+int regulator_mode_to_status(unsigned int mode)
+{
+ switch (mode) {
+ case REGULATOR_MODE_FAST:
+ return REGULATOR_STATUS_FAST;
+ case REGULATOR_MODE_NORMAL:
+ return REGULATOR_STATUS_NORMAL;
+ case REGULATOR_MODE_IDLE:
+ return REGULATOR_STATUS_IDLE;
+ case REGULATOR_STATUS_STANDBY:
+ return REGULATOR_STATUS_STANDBY;
+ default:
+ return 0;
+ }
+}
+EXPORT_SYMBOL_GPL(regulator_mode_to_status);
+
/*
* To avoid cluttering sysfs (and memory) with useless state, only
* create attributes that can be meaningfully displayed.
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 225f733e7533..ce1be708ca16 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -193,6 +193,8 @@ void *rdev_get_drvdata(struct regulator_dev *rdev);
struct device *rdev_get_dev(struct regulator_dev *rdev);
int rdev_get_id(struct regulator_dev *rdev);
+int regulator_mode_to_status(unsigned int);
+
void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);
#endif
--
GitLab
From e4ee831f949a7c7746a56bcf1e7ca057d6f69e2a Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 28 Jul 2009 15:21:49 +0100
Subject: [PATCH 597/742] regulator: Add WM831x DC-DC buck convertor support
The WM831x series of devices all have 3 DC-DC buck convertors. This
driver implements software control for these regulators via the
regulator API. Use with split hardware/software control of individual
regulators is not supported, though regulators not controlled by
software may be controlled via the hardware control interfaces.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/Kconfig | 7 +
drivers/regulator/Makefile | 1 +
drivers/regulator/wm831x-dcdc.c | 643 +++++++++++++++++++++++++++
include/linux/mfd/wm831x/regulator.h | 571 ++++++++++++++++++++++++
4 files changed, 1222 insertions(+)
create mode 100644 drivers/regulator/wm831x-dcdc.c
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index da7483ef32b3..38ea5dc8e143 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -82,6 +82,13 @@ config REGULATOR_TWL4030
This driver supports the voltage regulators provided by
this family of companion chips.
+config REGULATOR_WM831X
+ tristate "Wolfson Microelcronics WM831x PMIC regulators"
+ depends on MFD_WM831X
+ help
+ Support the voltage and current regulators of the WM831x series
+ of PMIC devices.
+
config REGULATOR_WM8350
tristate "Wolfson Microelectroncis WM8350 AudioPlus PMIC"
depends on MFD_WM8350
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 3a9748ff860b..b1d2b826f532 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o
obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o
obj-$(CONFIG_REGULATOR_TWL4030) += twl4030-regulator.o
+obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
new file mode 100644
index 000000000000..fa5126e38acc
--- /dev/null
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -0,0 +1,643 @@
+/*
+ * wm831x-dcdc.c -- DC-DC buck convertor driver for the WM831x series
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/bitops.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/regulator.h>
+#include <linux/mfd/wm831x/pdata.h>
+
+#define WM831X_BUCKV_MAX_SELECTOR 0x68
+#define WM831X_BUCKP_MAX_SELECTOR 0x66
+
+#define WM831X_DCDC_MODE_FAST 0
+#define WM831X_DCDC_MODE_NORMAL 1
+#define WM831X_DCDC_MODE_IDLE 2
+#define WM831X_DCDC_MODE_STANDBY 3
+
+#define WM831X_DCDC_MAX_NAME 6
+
+/* Register offsets in control block */
+#define WM831X_DCDC_CONTROL_1 0
+#define WM831X_DCDC_CONTROL_2 1
+#define WM831X_DCDC_ON_CONFIG 2
+#define WM831X_DCDC_SLEEP_CONTROL 3
+
+/*
+ * Shared
+ */
+
+struct wm831x_dcdc {
+ char name[WM831X_DCDC_MAX_NAME];
+ struct regulator_desc desc;
+ int base;
+ struct wm831x *wm831x;
+ struct regulator_dev *regulator;
+};
+
+static int wm831x_dcdc_is_enabled(struct regulator_dev *rdev)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ int mask = 1 << rdev_get_id(rdev);
+ int reg;
+
+ reg = wm831x_reg_read(wm831x, WM831X_DCDC_ENABLE);
+ if (reg < 0)
+ return reg;
+
+ if (reg & mask)
+ return 1;
+ else
+ return 0;
+}
+
+static int wm831x_dcdc_enable(struct regulator_dev *rdev)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ int mask = 1 << rdev_get_id(rdev);
+
+ return wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, mask, mask);
+}
+
+static int wm831x_dcdc_disable(struct regulator_dev *rdev)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ int mask = 1 << rdev_get_id(rdev);
+
+ return wm831x_set_bits(wm831x, WM831X_DCDC_ENABLE, mask, 0);
+}
+
+static unsigned int wm831x_dcdc_get_mode(struct regulator_dev *rdev)
+
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
+ int val;
+
+ val = wm831x_reg_read(wm831x, reg);
+ if (val < 0)
+ return val;
+
+ val = (val & WM831X_DC1_ON_MODE_MASK) >> WM831X_DC1_ON_MODE_SHIFT;
+
+ switch (val) {
+ case WM831X_DCDC_MODE_FAST:
+ return REGULATOR_MODE_FAST;
+ case WM831X_DCDC_MODE_NORMAL:
+ return REGULATOR_MODE_NORMAL;
+ case WM831X_DCDC_MODE_STANDBY:
+ return REGULATOR_MODE_STANDBY;
+ case WM831X_DCDC_MODE_IDLE:
+ return REGULATOR_MODE_IDLE;
+ default:
+ BUG();
+ }
+}
+
+static int wm831x_dcdc_set_mode_int(struct wm831x *wm831x, int reg,
+ unsigned int mode)
+{
+ int val;
+
+ switch (mode) {
+ case REGULATOR_MODE_FAST:
+ val = WM831X_DCDC_MODE_FAST;
+ break;
+ case REGULATOR_MODE_NORMAL:
+ val = WM831X_DCDC_MODE_NORMAL;
+ break;
+ case REGULATOR_MODE_STANDBY:
+ val = WM831X_DCDC_MODE_STANDBY;
+ break;
+ case REGULATOR_MODE_IDLE:
+ val = WM831X_DCDC_MODE_IDLE;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return wm831x_set_bits(wm831x, reg, WM831X_DC1_ON_MODE_MASK,
+ val << WM831X_DC1_ON_MODE_SHIFT);
+}
+
+static int wm831x_dcdc_set_mode(struct regulator_dev *rdev, unsigned int mode)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
+
+ return wm831x_dcdc_set_mode_int(wm831x, reg, mode);
+}
+
+static int wm831x_dcdc_set_suspend_mode(struct regulator_dev *rdev,
+ unsigned int mode)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ u16 reg = dcdc->base + WM831X_DCDC_SLEEP_CONTROL;
+
+ return wm831x_dcdc_set_mode_int(wm831x, reg, mode);
+}
+
+static int wm831x_dcdc_get_status(struct regulator_dev *rdev)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ int ret;
+
+ /* First, check for errors */
+ ret = wm831x_reg_read(wm831x, WM831X_DCDC_UV_STATUS);
+ if (ret < 0)
+ return ret;
+
+ if (ret & (1 << rdev_get_id(rdev))) {
+ dev_dbg(wm831x->dev, "DCDC%d under voltage\n",
+ rdev_get_id(rdev) + 1);
+ return REGULATOR_STATUS_ERROR;
+ }
+
+ /* DCDC1 and DCDC2 can additionally detect high voltage/current */
+ if (rdev_get_id(rdev) < 2) {
+ if (ret & (WM831X_DC1_OV_STS << rdev_get_id(rdev))) {
+ dev_dbg(wm831x->dev, "DCDC%d over voltage\n",
+ rdev_get_id(rdev) + 1);
+ return REGULATOR_STATUS_ERROR;
+ }
+
+ if (ret & (WM831X_DC1_HC_STS << rdev_get_id(rdev))) {
+ dev_dbg(wm831x->dev, "DCDC%d over current\n",
+ rdev_get_id(rdev) + 1);
+ return REGULATOR_STATUS_ERROR;
+ }
+ }
+
+ /* Is the regulator on? */
+ ret = wm831x_reg_read(wm831x, WM831X_DCDC_STATUS);
+ if (ret < 0)
+ return ret;
+ if (!(ret & (1 << rdev_get_id(rdev))))
+ return REGULATOR_STATUS_OFF;
+
+ /* TODO: When we handle hardware control modes so we can report the
+ * current mode. */
+ return REGULATOR_STATUS_ON;
+}
+
+static irqreturn_t wm831x_dcdc_uv_irq(int irq, void *data)
+{
+ struct wm831x_dcdc *dcdc = data;
+
+ regulator_notifier_call_chain(dcdc->regulator,
+ REGULATOR_EVENT_UNDER_VOLTAGE,
+ NULL);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wm831x_dcdc_oc_irq(int irq, void *data)
+{
+ struct wm831x_dcdc *dcdc = data;
+
+ regulator_notifier_call_chain(dcdc->regulator,
+ REGULATOR_EVENT_OVER_CURRENT,
+ NULL);
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * BUCKV specifics
+ */
+
+static int wm831x_buckv_list_voltage(struct regulator_dev *rdev,
+ unsigned selector)
+{
+ if (selector <= 0x8)
+ return 600000;
+ if (selector <= WM831X_BUCKV_MAX_SELECTOR)
+ return 600000 + ((selector - 0x8) * 12500);
+ return -EINVAL;
+}
+
+static int wm831x_buckv_set_voltage_int(struct regulator_dev *rdev, int reg,
+ int min_uV, int max_uV)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ u16 vsel;
+
+ if (min_uV < 600000)
+ vsel = 0;
+ else if (min_uV <= 1800000)
+ vsel = ((min_uV - 600000) / 12500) + 8;
+ else
+ return -EINVAL;
+
+ if (wm831x_buckv_list_voltage(rdev, vsel) > max_uV)
+ return -EINVAL;
+
+ return wm831x_set_bits(wm831x, reg, WM831X_DC1_ON_VSEL_MASK, vsel);
+}
+
+static int wm831x_buckv_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
+
+ return wm831x_buckv_set_voltage_int(rdev, reg, min_uV, max_uV);
+}
+
+static int wm831x_buckv_set_suspend_voltage(struct regulator_dev *rdev,
+ int uV)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ u16 reg = dcdc->base + WM831X_DCDC_SLEEP_CONTROL;
+
+ return wm831x_buckv_set_voltage_int(rdev, reg, uV, uV);
+}
+
+static int wm831x_buckv_get_voltage(struct regulator_dev *rdev)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
+ int val;
+
+ val = wm831x_reg_read(wm831x, reg);
+ if (val < 0)
+ return val;
+
+ return wm831x_buckv_list_voltage(rdev, val & WM831X_DC1_ON_VSEL_MASK);
+}
+
+/* Current limit options */
+static u16 wm831x_dcdc_ilim[] = {
+ 125, 250, 375, 500, 625, 750, 875, 1000
+};
+
+static int wm831x_buckv_set_current_limit(struct regulator_dev *rdev,
+ int min_uA, int max_uA)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ u16 reg = dcdc->base + WM831X_DCDC_CONTROL_2;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(wm831x_dcdc_ilim); i++) {
+ if (max_uA <= wm831x_dcdc_ilim[i])
+ break;
+ }
+ if (i == ARRAY_SIZE(wm831x_dcdc_ilim))
+ return -EINVAL;
+
+ return wm831x_set_bits(wm831x, reg, WM831X_DC1_HC_THR_MASK, i);
+}
+
+static int wm831x_buckv_get_current_limit(struct regulator_dev *rdev)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ u16 reg = dcdc->base + WM831X_DCDC_CONTROL_2;
+ int val;
+
+ val = wm831x_reg_read(wm831x, reg);
+ if (val < 0)
+ return val;
+
+ return wm831x_dcdc_ilim[val & WM831X_DC1_HC_THR_MASK];
+}
+
+static struct regulator_ops wm831x_buckv_ops = {
+ .set_voltage = wm831x_buckv_set_voltage,
+ .get_voltage = wm831x_buckv_get_voltage,
+ .list_voltage = wm831x_buckv_list_voltage,
+ .set_suspend_voltage = wm831x_buckv_set_suspend_voltage,
+ .set_current_limit = wm831x_buckv_set_current_limit,
+ .get_current_limit = wm831x_buckv_get_current_limit,
+
+ .is_enabled = wm831x_dcdc_is_enabled,
+ .enable = wm831x_dcdc_enable,
+ .disable = wm831x_dcdc_disable,
+ .get_status = wm831x_dcdc_get_status,
+ .get_mode = wm831x_dcdc_get_mode,
+ .set_mode = wm831x_dcdc_set_mode,
+ .set_suspend_mode = wm831x_dcdc_set_suspend_mode,
+};
+
+static __devinit int wm831x_buckv_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ int id = pdev->id % ARRAY_SIZE(pdata->dcdc);
+ struct wm831x_dcdc *dcdc;
+ struct resource *res;
+ int ret, irq;
+
+ dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
+
+ if (pdata == NULL || pdata->dcdc[id] == NULL)
+ return -ENODEV;
+
+ dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ if (dcdc == NULL) {
+ dev_err(&pdev->dev, "Unable to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ dcdc->wm831x = wm831x;
+
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "No I/O resource\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ dcdc->base = res->start;
+
+ snprintf(dcdc->name, sizeof(dcdc->name), "DCDC%d", id + 1);
+ dcdc->desc.name = dcdc->name;
+ dcdc->desc.id = id;
+ dcdc->desc.type = REGULATOR_VOLTAGE;
+ dcdc->desc.n_voltages = WM831X_BUCKV_MAX_SELECTOR + 1;
+ dcdc->desc.ops = &wm831x_buckv_ops;
+ dcdc->desc.owner = THIS_MODULE;
+
+ dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
+ pdata->dcdc[id], dcdc);
+ if (IS_ERR(dcdc->regulator)) {
+ ret = PTR_ERR(dcdc->regulator);
+ dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n",
+ id + 1, ret);
+ goto err;
+ }
+
+ irq = platform_get_irq_byname(pdev, "UV");
+ ret = wm831x_request_irq(wm831x, irq, wm831x_dcdc_uv_irq,
+ IRQF_TRIGGER_RISING, dcdc->name,
+ dcdc);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
+ irq, ret);
+ goto err_regulator;
+ }
+
+ irq = platform_get_irq_byname(pdev, "HC");
+ ret = wm831x_request_irq(wm831x, irq, wm831x_dcdc_oc_irq,
+ IRQF_TRIGGER_RISING, dcdc->name,
+ dcdc);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to request HC IRQ %d: %d\n",
+ irq, ret);
+ goto err_uv;
+ }
+
+ platform_set_drvdata(pdev, dcdc);
+
+ return 0;
+
+err_uv:
+ wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
+err_regulator:
+ regulator_unregister(dcdc->regulator);
+err:
+ kfree(dcdc);
+ return ret;
+}
+
+static __devexit int wm831x_buckv_remove(struct platform_device *pdev)
+{
+ struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+
+ wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "HC"), dcdc);
+ wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
+ regulator_unregister(dcdc->regulator);
+ kfree(dcdc);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_buckv_driver = {
+ .probe = wm831x_buckv_probe,
+ .remove = __devexit_p(wm831x_buckv_remove),
+ .driver = {
+ .name = "wm831x-buckv",
+ },
+};
+
+/*
+ * BUCKP specifics
+ */
+
+static int wm831x_buckp_list_voltage(struct regulator_dev *rdev,
+ unsigned selector)
+{
+ if (selector <= WM831X_BUCKP_MAX_SELECTOR)
+ return 850000 + (selector * 25000);
+ else
+ return -EINVAL;
+}
+
+static int wm831x_buckp_set_voltage_int(struct regulator_dev *rdev, int reg,
+ int min_uV, int max_uV)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ u16 vsel;
+
+ if (min_uV <= 34000000)
+ vsel = (min_uV - 850000) / 25000;
+ else
+ return -EINVAL;
+
+ if (wm831x_buckp_list_voltage(rdev, vsel) > max_uV)
+ return -EINVAL;
+
+ return wm831x_set_bits(wm831x, reg, WM831X_DC3_ON_VSEL_MASK, vsel);
+}
+
+static int wm831x_buckp_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
+
+ return wm831x_buckp_set_voltage_int(rdev, reg, min_uV, max_uV);
+}
+
+static int wm831x_buckp_set_suspend_voltage(struct regulator_dev *rdev,
+ int uV)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ u16 reg = dcdc->base + WM831X_DCDC_SLEEP_CONTROL;
+
+ return wm831x_buckp_set_voltage_int(rdev, reg, uV, uV);
+}
+
+static int wm831x_buckp_get_voltage(struct regulator_dev *rdev)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ u16 reg = dcdc->base + WM831X_DCDC_ON_CONFIG;
+ int val;
+
+ val = wm831x_reg_read(wm831x, reg);
+ if (val < 0)
+ return val;
+
+ return wm831x_buckp_list_voltage(rdev, val & WM831X_DC3_ON_VSEL_MASK);
+}
+
+static struct regulator_ops wm831x_buckp_ops = {
+ .set_voltage = wm831x_buckp_set_voltage,
+ .get_voltage = wm831x_buckp_get_voltage,
+ .list_voltage = wm831x_buckp_list_voltage,
+ .set_suspend_voltage = wm831x_buckp_set_suspend_voltage,
+
+ .is_enabled = wm831x_dcdc_is_enabled,
+ .enable = wm831x_dcdc_enable,
+ .disable = wm831x_dcdc_disable,
+ .get_status = wm831x_dcdc_get_status,
+ .get_mode = wm831x_dcdc_get_mode,
+ .set_mode = wm831x_dcdc_set_mode,
+ .set_suspend_mode = wm831x_dcdc_set_suspend_mode,
+};
+
+static __devinit int wm831x_buckp_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ int id = pdev->id % ARRAY_SIZE(pdata->dcdc);
+ struct wm831x_dcdc *dcdc;
+ struct resource *res;
+ int ret, irq;
+
+ dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
+
+ if (pdata == NULL || pdata->dcdc[id] == NULL)
+ return -ENODEV;
+
+ dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ if (dcdc == NULL) {
+ dev_err(&pdev->dev, "Unable to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ dcdc->wm831x = wm831x;
+
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "No I/O resource\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ dcdc->base = res->start;
+
+ snprintf(dcdc->name, sizeof(dcdc->name), "DCDC%d", id + 1);
+ dcdc->desc.name = dcdc->name;
+ dcdc->desc.id = id;
+ dcdc->desc.type = REGULATOR_VOLTAGE;
+ dcdc->desc.n_voltages = WM831X_BUCKP_MAX_SELECTOR + 1;
+ dcdc->desc.ops = &wm831x_buckp_ops;
+ dcdc->desc.owner = THIS_MODULE;
+
+ dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
+ pdata->dcdc[id], dcdc);
+ if (IS_ERR(dcdc->regulator)) {
+ ret = PTR_ERR(dcdc->regulator);
+ dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n",
+ id + 1, ret);
+ goto err;
+ }
+
+ irq = platform_get_irq_byname(pdev, "UV");
+ ret = wm831x_request_irq(wm831x, irq, wm831x_dcdc_uv_irq,
+ IRQF_TRIGGER_RISING, dcdc->name,
+ dcdc);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
+ irq, ret);
+ goto err_regulator;
+ }
+
+ platform_set_drvdata(pdev, dcdc);
+
+ return 0;
+
+err_regulator:
+ regulator_unregister(dcdc->regulator);
+err:
+ kfree(dcdc);
+ return ret;
+}
+
+static __devexit int wm831x_buckp_remove(struct platform_device *pdev)
+{
+ struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+
+ wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
+ regulator_unregister(dcdc->regulator);
+ kfree(dcdc);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_buckp_driver = {
+ .probe = wm831x_buckp_probe,
+ .remove = __devexit_p(wm831x_buckp_remove),
+ .driver = {
+ .name = "wm831x-buckp",
+ },
+};
+
+static int __init wm831x_dcdc_init(void)
+{
+ int ret;
+ ret = platform_driver_register(&wm831x_buckv_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM831x BUCKV driver: %d\n", ret);
+
+ ret = platform_driver_register(&wm831x_buckp_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM831x BUCKP driver: %d\n", ret);
+
+ return 0;
+}
+subsys_initcall(wm831x_dcdc_init);
+
+static void __exit wm831x_dcdc_exit(void)
+{
+ platform_driver_unregister(&wm831x_buckp_driver);
+ platform_driver_unregister(&wm831x_buckv_driver);
+}
+module_exit(wm831x_dcdc_exit);
+
+/* Module information */
+MODULE_AUTHOR("Mark Brown");
+MODULE_DESCRIPTION("WM831x DC-DC convertor driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm831x-buckv");
+MODULE_ALIAS("platform:wm831x-buckp");
diff --git a/include/linux/mfd/wm831x/regulator.h b/include/linux/mfd/wm831x/regulator.h
index b5d58fb38b4e..c74d6aafdca8 100644
--- a/include/linux/mfd/wm831x/regulator.h
+++ b/include/linux/mfd/wm831x/regulator.h
@@ -15,6 +15,577 @@
#ifndef __MFD_WM831X_REGULATOR_H__
#define __MFD_WM831X_REGULATOR_H__
+/*
+ * R16462 (0x404E) - Current Sink 1
+ */
+#define WM831X_CS1_ENA 0x8000 /* CS1_ENA */
+#define WM831X_CS1_ENA_MASK 0x8000 /* CS1_ENA */
+#define WM831X_CS1_ENA_SHIFT 15 /* CS1_ENA */
+#define WM831X_CS1_ENA_WIDTH 1 /* CS1_ENA */
+#define WM831X_CS1_DRIVE 0x4000 /* CS1_DRIVE */
+#define WM831X_CS1_DRIVE_MASK 0x4000 /* CS1_DRIVE */
+#define WM831X_CS1_DRIVE_SHIFT 14 /* CS1_DRIVE */
+#define WM831X_CS1_DRIVE_WIDTH 1 /* CS1_DRIVE */
+#define WM831X_CS1_SLPENA 0x1000 /* CS1_SLPENA */
+#define WM831X_CS1_SLPENA_MASK 0x1000 /* CS1_SLPENA */
+#define WM831X_CS1_SLPENA_SHIFT 12 /* CS1_SLPENA */
+#define WM831X_CS1_SLPENA_WIDTH 1 /* CS1_SLPENA */
+#define WM831X_CS1_OFF_RAMP_MASK 0x0C00 /* CS1_OFF_RAMP - [11:10] */
+#define WM831X_CS1_OFF_RAMP_SHIFT 10 /* CS1_OFF_RAMP - [11:10] */
+#define WM831X_CS1_OFF_RAMP_WIDTH 2 /* CS1_OFF_RAMP - [11:10] */
+#define WM831X_CS1_ON_RAMP_MASK 0x0300 /* CS1_ON_RAMP - [9:8] */
+#define WM831X_CS1_ON_RAMP_SHIFT 8 /* CS1_ON_RAMP - [9:8] */
+#define WM831X_CS1_ON_RAMP_WIDTH 2 /* CS1_ON_RAMP - [9:8] */
+#define WM831X_CS1_ISEL_MASK 0x003F /* CS1_ISEL - [5:0] */
+#define WM831X_CS1_ISEL_SHIFT 0 /* CS1_ISEL - [5:0] */
+#define WM831X_CS1_ISEL_WIDTH 6 /* CS1_ISEL - [5:0] */
+
+/*
+ * R16463 (0x404F) - Current Sink 2
+ */
+#define WM831X_CS2_ENA 0x8000 /* CS2_ENA */
+#define WM831X_CS2_ENA_MASK 0x8000 /* CS2_ENA */
+#define WM831X_CS2_ENA_SHIFT 15 /* CS2_ENA */
+#define WM831X_CS2_ENA_WIDTH 1 /* CS2_ENA */
+#define WM831X_CS2_DRIVE 0x4000 /* CS2_DRIVE */
+#define WM831X_CS2_DRIVE_MASK 0x4000 /* CS2_DRIVE */
+#define WM831X_CS2_DRIVE_SHIFT 14 /* CS2_DRIVE */
+#define WM831X_CS2_DRIVE_WIDTH 1 /* CS2_DRIVE */
+#define WM831X_CS2_SLPENA 0x1000 /* CS2_SLPENA */
+#define WM831X_CS2_SLPENA_MASK 0x1000 /* CS2_SLPENA */
+#define WM831X_CS2_SLPENA_SHIFT 12 /* CS2_SLPENA */
+#define WM831X_CS2_SLPENA_WIDTH 1 /* CS2_SLPENA */
+#define WM831X_CS2_OFF_RAMP_MASK 0x0C00 /* CS2_OFF_RAMP - [11:10] */
+#define WM831X_CS2_OFF_RAMP_SHIFT 10 /* CS2_OFF_RAMP - [11:10] */
+#define WM831X_CS2_OFF_RAMP_WIDTH 2 /* CS2_OFF_RAMP - [11:10] */
+#define WM831X_CS2_ON_RAMP_MASK 0x0300 /* CS2_ON_RAMP - [9:8] */
+#define WM831X_CS2_ON_RAMP_SHIFT 8 /* CS2_ON_RAMP - [9:8] */
+#define WM831X_CS2_ON_RAMP_WIDTH 2 /* CS2_ON_RAMP - [9:8] */
+#define WM831X_CS2_ISEL_MASK 0x003F /* CS2_ISEL - [5:0] */
+#define WM831X_CS2_ISEL_SHIFT 0 /* CS2_ISEL - [5:0] */
+#define WM831X_CS2_ISEL_WIDTH 6 /* CS2_ISEL - [5:0] */
+
+/*
+ * R16464 (0x4050) - DCDC Enable
+ */
+#define WM831X_EPE2_ENA 0x0080 /* EPE2_ENA */
+#define WM831X_EPE2_ENA_MASK 0x0080 /* EPE2_ENA */
+#define WM831X_EPE2_ENA_SHIFT 7 /* EPE2_ENA */
+#define WM831X_EPE2_ENA_WIDTH 1 /* EPE2_ENA */
+#define WM831X_EPE1_ENA 0x0040 /* EPE1_ENA */
+#define WM831X_EPE1_ENA_MASK 0x0040 /* EPE1_ENA */
+#define WM831X_EPE1_ENA_SHIFT 6 /* EPE1_ENA */
+#define WM831X_EPE1_ENA_WIDTH 1 /* EPE1_ENA */
+#define WM831X_DC4_ENA 0x0008 /* DC4_ENA */
+#define WM831X_DC4_ENA_MASK 0x0008 /* DC4_ENA */
+#define WM831X_DC4_ENA_SHIFT 3 /* DC4_ENA */
+#define WM831X_DC4_ENA_WIDTH 1 /* DC4_ENA */
+#define WM831X_DC3_ENA 0x0004 /* DC3_ENA */
+#define WM831X_DC3_ENA_MASK 0x0004 /* DC3_ENA */
+#define WM831X_DC3_ENA_SHIFT 2 /* DC3_ENA */
+#define WM831X_DC3_ENA_WIDTH 1 /* DC3_ENA */
+#define WM831X_DC2_ENA 0x0002 /* DC2_ENA */
+#define WM831X_DC2_ENA_MASK 0x0002 /* DC2_ENA */
+#define WM831X_DC2_ENA_SHIFT 1 /* DC2_ENA */
+#define WM831X_DC2_ENA_WIDTH 1 /* DC2_ENA */
+#define WM831X_DC1_ENA 0x0001 /* DC1_ENA */
+#define WM831X_DC1_ENA_MASK 0x0001 /* DC1_ENA */
+#define WM831X_DC1_ENA_SHIFT 0 /* DC1_ENA */
+#define WM831X_DC1_ENA_WIDTH 1 /* DC1_ENA */
+
+/*
+ * R16465 (0x4051) - LDO Enable
+ */
+#define WM831X_LDO11_ENA 0x0400 /* LDO11_ENA */
+#define WM831X_LDO11_ENA_MASK 0x0400 /* LDO11_ENA */
+#define WM831X_LDO11_ENA_SHIFT 10 /* LDO11_ENA */
+#define WM831X_LDO11_ENA_WIDTH 1 /* LDO11_ENA */
+#define WM831X_LDO10_ENA 0x0200 /* LDO10_ENA */
+#define WM831X_LDO10_ENA_MASK 0x0200 /* LDO10_ENA */
+#define WM831X_LDO10_ENA_SHIFT 9 /* LDO10_ENA */
+#define WM831X_LDO10_ENA_WIDTH 1 /* LDO10_ENA */
+#define WM831X_LDO9_ENA 0x0100 /* LDO9_ENA */
+#define WM831X_LDO9_ENA_MASK 0x0100 /* LDO9_ENA */
+#define WM831X_LDO9_ENA_SHIFT 8 /* LDO9_ENA */
+#define WM831X_LDO9_ENA_WIDTH 1 /* LDO9_ENA */
+#define WM831X_LDO8_ENA 0x0080 /* LDO8_ENA */
+#define WM831X_LDO8_ENA_MASK 0x0080 /* LDO8_ENA */
+#define WM831X_LDO8_ENA_SHIFT 7 /* LDO8_ENA */
+#define WM831X_LDO8_ENA_WIDTH 1 /* LDO8_ENA */
+#define WM831X_LDO7_ENA 0x0040 /* LDO7_ENA */
+#define WM831X_LDO7_ENA_MASK 0x0040 /* LDO7_ENA */
+#define WM831X_LDO7_ENA_SHIFT 6 /* LDO7_ENA */
+#define WM831X_LDO7_ENA_WIDTH 1 /* LDO7_ENA */
+#define WM831X_LDO6_ENA 0x0020 /* LDO6_ENA */
+#define WM831X_LDO6_ENA_MASK 0x0020 /* LDO6_ENA */
+#define WM831X_LDO6_ENA_SHIFT 5 /* LDO6_ENA */
+#define WM831X_LDO6_ENA_WIDTH 1 /* LDO6_ENA */
+#define WM831X_LDO5_ENA 0x0010 /* LDO5_ENA */
+#define WM831X_LDO5_ENA_MASK 0x0010 /* LDO5_ENA */
+#define WM831X_LDO5_ENA_SHIFT 4 /* LDO5_ENA */
+#define WM831X_LDO5_ENA_WIDTH 1 /* LDO5_ENA */
+#define WM831X_LDO4_ENA 0x0008 /* LDO4_ENA */
+#define WM831X_LDO4_ENA_MASK 0x0008 /* LDO4_ENA */
+#define WM831X_LDO4_ENA_SHIFT 3 /* LDO4_ENA */
+#define WM831X_LDO4_ENA_WIDTH 1 /* LDO4_ENA */
+#define WM831X_LDO3_ENA 0x0004 /* LDO3_ENA */
+#define WM831X_LDO3_ENA_MASK 0x0004 /* LDO3_ENA */
+#define WM831X_LDO3_ENA_SHIFT 2 /* LDO3_ENA */
+#define WM831X_LDO3_ENA_WIDTH 1 /* LDO3_ENA */
+#define WM831X_LDO2_ENA 0x0002 /* LDO2_ENA */
+#define WM831X_LDO2_ENA_MASK 0x0002 /* LDO2_ENA */
+#define WM831X_LDO2_ENA_SHIFT 1 /* LDO2_ENA */
+#define WM831X_LDO2_ENA_WIDTH 1 /* LDO2_ENA */
+#define WM831X_LDO1_ENA 0x0001 /* LDO1_ENA */
+#define WM831X_LDO1_ENA_MASK 0x0001 /* LDO1_ENA */
+#define WM831X_LDO1_ENA_SHIFT 0 /* LDO1_ENA */
+#define WM831X_LDO1_ENA_WIDTH 1 /* LDO1_ENA */
+
+/*
+ * R16466 (0x4052) - DCDC Status
+ */
+#define WM831X_EPE2_STS 0x0080 /* EPE2_STS */
+#define WM831X_EPE2_STS_MASK 0x0080 /* EPE2_STS */
+#define WM831X_EPE2_STS_SHIFT 7 /* EPE2_STS */
+#define WM831X_EPE2_STS_WIDTH 1 /* EPE2_STS */
+#define WM831X_EPE1_STS 0x0040 /* EPE1_STS */
+#define WM831X_EPE1_STS_MASK 0x0040 /* EPE1_STS */
+#define WM831X_EPE1_STS_SHIFT 6 /* EPE1_STS */
+#define WM831X_EPE1_STS_WIDTH 1 /* EPE1_STS */
+#define WM831X_DC4_STS 0x0008 /* DC4_STS */
+#define WM831X_DC4_STS_MASK 0x0008 /* DC4_STS */
+#define WM831X_DC4_STS_SHIFT 3 /* DC4_STS */
+#define WM831X_DC4_STS_WIDTH 1 /* DC4_STS */
+#define WM831X_DC3_STS 0x0004 /* DC3_STS */
+#define WM831X_DC3_STS_MASK 0x0004 /* DC3_STS */
+#define WM831X_DC3_STS_SHIFT 2 /* DC3_STS */
+#define WM831X_DC3_STS_WIDTH 1 /* DC3_STS */
+#define WM831X_DC2_STS 0x0002 /* DC2_STS */
+#define WM831X_DC2_STS_MASK 0x0002 /* DC2_STS */
+#define WM831X_DC2_STS_SHIFT 1 /* DC2_STS */
+#define WM831X_DC2_STS_WIDTH 1 /* DC2_STS */
+#define WM831X_DC1_STS 0x0001 /* DC1_STS */
+#define WM831X_DC1_STS_MASK 0x0001 /* DC1_STS */
+#define WM831X_DC1_STS_SHIFT 0 /* DC1_STS */
+#define WM831X_DC1_STS_WIDTH 1 /* DC1_STS */
+
+/*
+ * R16467 (0x4053) - LDO Status
+ */
+#define WM831X_LDO11_STS 0x0400 /* LDO11_STS */
+#define WM831X_LDO11_STS_MASK 0x0400 /* LDO11_STS */
+#define WM831X_LDO11_STS_SHIFT 10 /* LDO11_STS */
+#define WM831X_LDO11_STS_WIDTH 1 /* LDO11_STS */
+#define WM831X_LDO10_STS 0x0200 /* LDO10_STS */
+#define WM831X_LDO10_STS_MASK 0x0200 /* LDO10_STS */
+#define WM831X_LDO10_STS_SHIFT 9 /* LDO10_STS */
+#define WM831X_LDO10_STS_WIDTH 1 /* LDO10_STS */
+#define WM831X_LDO9_STS 0x0100 /* LDO9_STS */
+#define WM831X_LDO9_STS_MASK 0x0100 /* LDO9_STS */
+#define WM831X_LDO9_STS_SHIFT 8 /* LDO9_STS */
+#define WM831X_LDO9_STS_WIDTH 1 /* LDO9_STS */
+#define WM831X_LDO8_STS 0x0080 /* LDO8_STS */
+#define WM831X_LDO8_STS_MASK 0x0080 /* LDO8_STS */
+#define WM831X_LDO8_STS_SHIFT 7 /* LDO8_STS */
+#define WM831X_LDO8_STS_WIDTH 1 /* LDO8_STS */
+#define WM831X_LDO7_STS 0x0040 /* LDO7_STS */
+#define WM831X_LDO7_STS_MASK 0x0040 /* LDO7_STS */
+#define WM831X_LDO7_STS_SHIFT 6 /* LDO7_STS */
+#define WM831X_LDO7_STS_WIDTH 1 /* LDO7_STS */
+#define WM831X_LDO6_STS 0x0020 /* LDO6_STS */
+#define WM831X_LDO6_STS_MASK 0x0020 /* LDO6_STS */
+#define WM831X_LDO6_STS_SHIFT 5 /* LDO6_STS */
+#define WM831X_LDO6_STS_WIDTH 1 /* LDO6_STS */
+#define WM831X_LDO5_STS 0x0010 /* LDO5_STS */
+#define WM831X_LDO5_STS_MASK 0x0010 /* LDO5_STS */
+#define WM831X_LDO5_STS_SHIFT 4 /* LDO5_STS */
+#define WM831X_LDO5_STS_WIDTH 1 /* LDO5_STS */
+#define WM831X_LDO4_STS 0x0008 /* LDO4_STS */
+#define WM831X_LDO4_STS_MASK 0x0008 /* LDO4_STS */
+#define WM831X_LDO4_STS_SHIFT 3 /* LDO4_STS */
+#define WM831X_LDO4_STS_WIDTH 1 /* LDO4_STS */
+#define WM831X_LDO3_STS 0x0004 /* LDO3_STS */
+#define WM831X_LDO3_STS_MASK 0x0004 /* LDO3_STS */
+#define WM831X_LDO3_STS_SHIFT 2 /* LDO3_STS */
+#define WM831X_LDO3_STS_WIDTH 1 /* LDO3_STS */
+#define WM831X_LDO2_STS 0x0002 /* LDO2_STS */
+#define WM831X_LDO2_STS_MASK 0x0002 /* LDO2_STS */
+#define WM831X_LDO2_STS_SHIFT 1 /* LDO2_STS */
+#define WM831X_LDO2_STS_WIDTH 1 /* LDO2_STS */
+#define WM831X_LDO1_STS 0x0001 /* LDO1_STS */
+#define WM831X_LDO1_STS_MASK 0x0001 /* LDO1_STS */
+#define WM831X_LDO1_STS_SHIFT 0 /* LDO1_STS */
+#define WM831X_LDO1_STS_WIDTH 1 /* LDO1_STS */
+
+/*
+ * R16468 (0x4054) - DCDC UV Status
+ */
+#define WM831X_DC2_OV_STS 0x2000 /* DC2_OV_STS */
+#define WM831X_DC2_OV_STS_MASK 0x2000 /* DC2_OV_STS */
+#define WM831X_DC2_OV_STS_SHIFT 13 /* DC2_OV_STS */
+#define WM831X_DC2_OV_STS_WIDTH 1 /* DC2_OV_STS */
+#define WM831X_DC1_OV_STS 0x1000 /* DC1_OV_STS */
+#define WM831X_DC1_OV_STS_MASK 0x1000 /* DC1_OV_STS */
+#define WM831X_DC1_OV_STS_SHIFT 12 /* DC1_OV_STS */
+#define WM831X_DC1_OV_STS_WIDTH 1 /* DC1_OV_STS */
+#define WM831X_DC2_HC_STS 0x0200 /* DC2_HC_STS */
+#define WM831X_DC2_HC_STS_MASK 0x0200 /* DC2_HC_STS */
+#define WM831X_DC2_HC_STS_SHIFT 9 /* DC2_HC_STS */
+#define WM831X_DC2_HC_STS_WIDTH 1 /* DC2_HC_STS */
+#define WM831X_DC1_HC_STS 0x0100 /* DC1_HC_STS */
+#define WM831X_DC1_HC_STS_MASK 0x0100 /* DC1_HC_STS */
+#define WM831X_DC1_HC_STS_SHIFT 8 /* DC1_HC_STS */
+#define WM831X_DC1_HC_STS_WIDTH 1 /* DC1_HC_STS */
+#define WM831X_DC4_UV_STS 0x0008 /* DC4_UV_STS */
+#define WM831X_DC4_UV_STS_MASK 0x0008 /* DC4_UV_STS */
+#define WM831X_DC4_UV_STS_SHIFT 3 /* DC4_UV_STS */
+#define WM831X_DC4_UV_STS_WIDTH 1 /* DC4_UV_STS */
+#define WM831X_DC3_UV_STS 0x0004 /* DC3_UV_STS */
+#define WM831X_DC3_UV_STS_MASK 0x0004 /* DC3_UV_STS */
+#define WM831X_DC3_UV_STS_SHIFT 2 /* DC3_UV_STS */
+#define WM831X_DC3_UV_STS_WIDTH 1 /* DC3_UV_STS */
+#define WM831X_DC2_UV_STS 0x0002 /* DC2_UV_STS */
+#define WM831X_DC2_UV_STS_MASK 0x0002 /* DC2_UV_STS */
+#define WM831X_DC2_UV_STS_SHIFT 1 /* DC2_UV_STS */
+#define WM831X_DC2_UV_STS_WIDTH 1 /* DC2_UV_STS */
+#define WM831X_DC1_UV_STS 0x0001 /* DC1_UV_STS */
+#define WM831X_DC1_UV_STS_MASK 0x0001 /* DC1_UV_STS */
+#define WM831X_DC1_UV_STS_SHIFT 0 /* DC1_UV_STS */
+#define WM831X_DC1_UV_STS_WIDTH 1 /* DC1_UV_STS */
+
+/*
+ * R16469 (0x4055) - LDO UV Status
+ */
+#define WM831X_INTLDO_UV_STS 0x8000 /* INTLDO_UV_STS */
+#define WM831X_INTLDO_UV_STS_MASK 0x8000 /* INTLDO_UV_STS */
+#define WM831X_INTLDO_UV_STS_SHIFT 15 /* INTLDO_UV_STS */
+#define WM831X_INTLDO_UV_STS_WIDTH 1 /* INTLDO_UV_STS */
+#define WM831X_LDO10_UV_STS 0x0200 /* LDO10_UV_STS */
+#define WM831X_LDO10_UV_STS_MASK 0x0200 /* LDO10_UV_STS */
+#define WM831X_LDO10_UV_STS_SHIFT 9 /* LDO10_UV_STS */
+#define WM831X_LDO10_UV_STS_WIDTH 1 /* LDO10_UV_STS */
+#define WM831X_LDO9_UV_STS 0x0100 /* LDO9_UV_STS */
+#define WM831X_LDO9_UV_STS_MASK 0x0100 /* LDO9_UV_STS */
+#define WM831X_LDO9_UV_STS_SHIFT 8 /* LDO9_UV_STS */
+#define WM831X_LDO9_UV_STS_WIDTH 1 /* LDO9_UV_STS */
+#define WM831X_LDO8_UV_STS 0x0080 /* LDO8_UV_STS */
+#define WM831X_LDO8_UV_STS_MASK 0x0080 /* LDO8_UV_STS */
+#define WM831X_LDO8_UV_STS_SHIFT 7 /* LDO8_UV_STS */
+#define WM831X_LDO8_UV_STS_WIDTH 1 /* LDO8_UV_STS */
+#define WM831X_LDO7_UV_STS 0x0040 /* LDO7_UV_STS */
+#define WM831X_LDO7_UV_STS_MASK 0x0040 /* LDO7_UV_STS */
+#define WM831X_LDO7_UV_STS_SHIFT 6 /* LDO7_UV_STS */
+#define WM831X_LDO7_UV_STS_WIDTH 1 /* LDO7_UV_STS */
+#define WM831X_LDO6_UV_STS 0x0020 /* LDO6_UV_STS */
+#define WM831X_LDO6_UV_STS_MASK 0x0020 /* LDO6_UV_STS */
+#define WM831X_LDO6_UV_STS_SHIFT 5 /* LDO6_UV_STS */
+#define WM831X_LDO6_UV_STS_WIDTH 1 /* LDO6_UV_STS */
+#define WM831X_LDO5_UV_STS 0x0010 /* LDO5_UV_STS */
+#define WM831X_LDO5_UV_STS_MASK 0x0010 /* LDO5_UV_STS */
+#define WM831X_LDO5_UV_STS_SHIFT 4 /* LDO5_UV_STS */
+#define WM831X_LDO5_UV_STS_WIDTH 1 /* LDO5_UV_STS */
+#define WM831X_LDO4_UV_STS 0x0008 /* LDO4_UV_STS */
+#define WM831X_LDO4_UV_STS_MASK 0x0008 /* LDO4_UV_STS */
+#define WM831X_LDO4_UV_STS_SHIFT 3 /* LDO4_UV_STS */
+#define WM831X_LDO4_UV_STS_WIDTH 1 /* LDO4_UV_STS */
+#define WM831X_LDO3_UV_STS 0x0004 /* LDO3_UV_STS */
+#define WM831X_LDO3_UV_STS_MASK 0x0004 /* LDO3_UV_STS */
+#define WM831X_LDO3_UV_STS_SHIFT 2 /* LDO3_UV_STS */
+#define WM831X_LDO3_UV_STS_WIDTH 1 /* LDO3_UV_STS */
+#define WM831X_LDO2_UV_STS 0x0002 /* LDO2_UV_STS */
+#define WM831X_LDO2_UV_STS_MASK 0x0002 /* LDO2_UV_STS */
+#define WM831X_LDO2_UV_STS_SHIFT 1 /* LDO2_UV_STS */
+#define WM831X_LDO2_UV_STS_WIDTH 1 /* LDO2_UV_STS */
+#define WM831X_LDO1_UV_STS 0x0001 /* LDO1_UV_STS */
+#define WM831X_LDO1_UV_STS_MASK 0x0001 /* LDO1_UV_STS */
+#define WM831X_LDO1_UV_STS_SHIFT 0 /* LDO1_UV_STS */
+#define WM831X_LDO1_UV_STS_WIDTH 1 /* LDO1_UV_STS */
+
+/*
+ * R16470 (0x4056) - DC1 Control 1
+ */
+#define WM831X_DC1_RATE_MASK 0xC000 /* DC1_RATE - [15:14] */
+#define WM831X_DC1_RATE_SHIFT 14 /* DC1_RATE - [15:14] */
+#define WM831X_DC1_RATE_WIDTH 2 /* DC1_RATE - [15:14] */
+#define WM831X_DC1_PHASE 0x1000 /* DC1_PHASE */
+#define WM831X_DC1_PHASE_MASK 0x1000 /* DC1_PHASE */
+#define WM831X_DC1_PHASE_SHIFT 12 /* DC1_PHASE */
+#define WM831X_DC1_PHASE_WIDTH 1 /* DC1_PHASE */
+#define WM831X_DC1_FREQ_MASK 0x0300 /* DC1_FREQ - [9:8] */
+#define WM831X_DC1_FREQ_SHIFT 8 /* DC1_FREQ - [9:8] */
+#define WM831X_DC1_FREQ_WIDTH 2 /* DC1_FREQ - [9:8] */
+#define WM831X_DC1_FLT 0x0080 /* DC1_FLT */
+#define WM831X_DC1_FLT_MASK 0x0080 /* DC1_FLT */
+#define WM831X_DC1_FLT_SHIFT 7 /* DC1_FLT */
+#define WM831X_DC1_FLT_WIDTH 1 /* DC1_FLT */
+#define WM831X_DC1_SOFT_START_MASK 0x0030 /* DC1_SOFT_START - [5:4] */
+#define WM831X_DC1_SOFT_START_SHIFT 4 /* DC1_SOFT_START - [5:4] */
+#define WM831X_DC1_SOFT_START_WIDTH 2 /* DC1_SOFT_START - [5:4] */
+#define WM831X_DC1_CAP_MASK 0x0003 /* DC1_CAP - [1:0] */
+#define WM831X_DC1_CAP_SHIFT 0 /* DC1_CAP - [1:0] */
+#define WM831X_DC1_CAP_WIDTH 2 /* DC1_CAP - [1:0] */
+
+/*
+ * R16471 (0x4057) - DC1 Control 2
+ */
+#define WM831X_DC1_ERR_ACT_MASK 0xC000 /* DC1_ERR_ACT - [15:14] */
+#define WM831X_DC1_ERR_ACT_SHIFT 14 /* DC1_ERR_ACT - [15:14] */
+#define WM831X_DC1_ERR_ACT_WIDTH 2 /* DC1_ERR_ACT - [15:14] */
+#define WM831X_DC1_HWC_SRC_MASK 0x1800 /* DC1_HWC_SRC - [12:11] */
+#define WM831X_DC1_HWC_SRC_SHIFT 11 /* DC1_HWC_SRC - [12:11] */
+#define WM831X_DC1_HWC_SRC_WIDTH 2 /* DC1_HWC_SRC - [12:11] */
+#define WM831X_DC1_HWC_VSEL 0x0400 /* DC1_HWC_VSEL */
+#define WM831X_DC1_HWC_VSEL_MASK 0x0400 /* DC1_HWC_VSEL */
+#define WM831X_DC1_HWC_VSEL_SHIFT 10 /* DC1_HWC_VSEL */
+#define WM831X_DC1_HWC_VSEL_WIDTH 1 /* DC1_HWC_VSEL */
+#define WM831X_DC1_HWC_MODE_MASK 0x0300 /* DC1_HWC_MODE - [9:8] */
+#define WM831X_DC1_HWC_MODE_SHIFT 8 /* DC1_HWC_MODE - [9:8] */
+#define WM831X_DC1_HWC_MODE_WIDTH 2 /* DC1_HWC_MODE - [9:8] */
+#define WM831X_DC1_HC_THR_MASK 0x0070 /* DC1_HC_THR - [6:4] */
+#define WM831X_DC1_HC_THR_SHIFT 4 /* DC1_HC_THR - [6:4] */
+#define WM831X_DC1_HC_THR_WIDTH 3 /* DC1_HC_THR - [6:4] */
+#define WM831X_DC1_HC_IND_ENA 0x0001 /* DC1_HC_IND_ENA */
+#define WM831X_DC1_HC_IND_ENA_MASK 0x0001 /* DC1_HC_IND_ENA */
+#define WM831X_DC1_HC_IND_ENA_SHIFT 0 /* DC1_HC_IND_ENA */
+#define WM831X_DC1_HC_IND_ENA_WIDTH 1 /* DC1_HC_IND_ENA */
+
+/*
+ * R16472 (0x4058) - DC1 ON Config
+ */
+#define WM831X_DC1_ON_SLOT_MASK 0xE000 /* DC1_ON_SLOT - [15:13] */
+#define WM831X_DC1_ON_SLOT_SHIFT 13 /* DC1_ON_SLOT - [15:13] */
+#define WM831X_DC1_ON_SLOT_WIDTH 3 /* DC1_ON_SLOT - [15:13] */
+#define WM831X_DC1_ON_MODE_MASK 0x0300 /* DC1_ON_MODE - [9:8] */
+#define WM831X_DC1_ON_MODE_SHIFT 8 /* DC1_ON_MODE - [9:8] */
+#define WM831X_DC1_ON_MODE_WIDTH 2 /* DC1_ON_MODE - [9:8] */
+#define WM831X_DC1_ON_VSEL_MASK 0x007F /* DC1_ON_VSEL - [6:0] */
+#define WM831X_DC1_ON_VSEL_SHIFT 0 /* DC1_ON_VSEL - [6:0] */
+#define WM831X_DC1_ON_VSEL_WIDTH 7 /* DC1_ON_VSEL - [6:0] */
+
+/*
+ * R16473 (0x4059) - DC1 SLEEP Control
+ */
+#define WM831X_DC1_SLP_SLOT_MASK 0xE000 /* DC1_SLP_SLOT - [15:13] */
+#define WM831X_DC1_SLP_SLOT_SHIFT 13 /* DC1_SLP_SLOT - [15:13] */
+#define WM831X_DC1_SLP_SLOT_WIDTH 3 /* DC1_SLP_SLOT - [15:13] */
+#define WM831X_DC1_SLP_MODE_MASK 0x0300 /* DC1_SLP_MODE - [9:8] */
+#define WM831X_DC1_SLP_MODE_SHIFT 8 /* DC1_SLP_MODE - [9:8] */
+#define WM831X_DC1_SLP_MODE_WIDTH 2 /* DC1_SLP_MODE - [9:8] */
+#define WM831X_DC1_SLP_VSEL_MASK 0x007F /* DC1_SLP_VSEL - [6:0] */
+#define WM831X_DC1_SLP_VSEL_SHIFT 0 /* DC1_SLP_VSEL - [6:0] */
+#define WM831X_DC1_SLP_VSEL_WIDTH 7 /* DC1_SLP_VSEL - [6:0] */
+
+/*
+ * R16474 (0x405A) - DC1 DVS Control
+ */
+#define WM831X_DC1_DVS_SRC_MASK 0x1800 /* DC1_DVS_SRC - [12:11] */
+#define WM831X_DC1_DVS_SRC_SHIFT 11 /* DC1_DVS_SRC - [12:11] */
+#define WM831X_DC1_DVS_SRC_WIDTH 2 /* DC1_DVS_SRC - [12:11] */
+#define WM831X_DC1_DVS_VSEL_MASK 0x007F /* DC1_DVS_VSEL - [6:0] */
+#define WM831X_DC1_DVS_VSEL_SHIFT 0 /* DC1_DVS_VSEL - [6:0] */
+#define WM831X_DC1_DVS_VSEL_WIDTH 7 /* DC1_DVS_VSEL - [6:0] */
+
+/*
+ * R16475 (0x405B) - DC2 Control 1
+ */
+#define WM831X_DC2_RATE_MASK 0xC000 /* DC2_RATE - [15:14] */
+#define WM831X_DC2_RATE_SHIFT 14 /* DC2_RATE - [15:14] */
+#define WM831X_DC2_RATE_WIDTH 2 /* DC2_RATE - [15:14] */
+#define WM831X_DC2_PHASE 0x1000 /* DC2_PHASE */
+#define WM831X_DC2_PHASE_MASK 0x1000 /* DC2_PHASE */
+#define WM831X_DC2_PHASE_SHIFT 12 /* DC2_PHASE */
+#define WM831X_DC2_PHASE_WIDTH 1 /* DC2_PHASE */
+#define WM831X_DC2_FREQ_MASK 0x0300 /* DC2_FREQ - [9:8] */
+#define WM831X_DC2_FREQ_SHIFT 8 /* DC2_FREQ - [9:8] */
+#define WM831X_DC2_FREQ_WIDTH 2 /* DC2_FREQ - [9:8] */
+#define WM831X_DC2_FLT 0x0080 /* DC2_FLT */
+#define WM831X_DC2_FLT_MASK 0x0080 /* DC2_FLT */
+#define WM831X_DC2_FLT_SHIFT 7 /* DC2_FLT */
+#define WM831X_DC2_FLT_WIDTH 1 /* DC2_FLT */
+#define WM831X_DC2_SOFT_START_MASK 0x0030 /* DC2_SOFT_START - [5:4] */
+#define WM831X_DC2_SOFT_START_SHIFT 4 /* DC2_SOFT_START - [5:4] */
+#define WM831X_DC2_SOFT_START_WIDTH 2 /* DC2_SOFT_START - [5:4] */
+#define WM831X_DC2_CAP_MASK 0x0003 /* DC2_CAP - [1:0] */
+#define WM831X_DC2_CAP_SHIFT 0 /* DC2_CAP - [1:0] */
+#define WM831X_DC2_CAP_WIDTH 2 /* DC2_CAP - [1:0] */
+
+/*
+ * R16476 (0x405C) - DC2 Control 2
+ */
+#define WM831X_DC2_ERR_ACT_MASK 0xC000 /* DC2_ERR_ACT - [15:14] */
+#define WM831X_DC2_ERR_ACT_SHIFT 14 /* DC2_ERR_ACT - [15:14] */
+#define WM831X_DC2_ERR_ACT_WIDTH 2 /* DC2_ERR_ACT - [15:14] */
+#define WM831X_DC2_HWC_SRC_MASK 0x1800 /* DC2_HWC_SRC - [12:11] */
+#define WM831X_DC2_HWC_SRC_SHIFT 11 /* DC2_HWC_SRC - [12:11] */
+#define WM831X_DC2_HWC_SRC_WIDTH 2 /* DC2_HWC_SRC - [12:11] */
+#define WM831X_DC2_HWC_VSEL 0x0400 /* DC2_HWC_VSEL */
+#define WM831X_DC2_HWC_VSEL_MASK 0x0400 /* DC2_HWC_VSEL */
+#define WM831X_DC2_HWC_VSEL_SHIFT 10 /* DC2_HWC_VSEL */
+#define WM831X_DC2_HWC_VSEL_WIDTH 1 /* DC2_HWC_VSEL */
+#define WM831X_DC2_HWC_MODE_MASK 0x0300 /* DC2_HWC_MODE - [9:8] */
+#define WM831X_DC2_HWC_MODE_SHIFT 8 /* DC2_HWC_MODE - [9:8] */
+#define WM831X_DC2_HWC_MODE_WIDTH 2 /* DC2_HWC_MODE - [9:8] */
+#define WM831X_DC2_HC_THR_MASK 0x0070 /* DC2_HC_THR - [6:4] */
+#define WM831X_DC2_HC_THR_SHIFT 4 /* DC2_HC_THR - [6:4] */
+#define WM831X_DC2_HC_THR_WIDTH 3 /* DC2_HC_THR - [6:4] */
+#define WM831X_DC2_HC_IND_ENA 0x0001 /* DC2_HC_IND_ENA */
+#define WM831X_DC2_HC_IND_ENA_MASK 0x0001 /* DC2_HC_IND_ENA */
+#define WM831X_DC2_HC_IND_ENA_SHIFT 0 /* DC2_HC_IND_ENA */
+#define WM831X_DC2_HC_IND_ENA_WIDTH 1 /* DC2_HC_IND_ENA */
+
+/*
+ * R16477 (0x405D) - DC2 ON Config
+ */
+#define WM831X_DC2_ON_SLOT_MASK 0xE000 /* DC2_ON_SLOT - [15:13] */
+#define WM831X_DC2_ON_SLOT_SHIFT 13 /* DC2_ON_SLOT - [15:13] */
+#define WM831X_DC2_ON_SLOT_WIDTH 3 /* DC2_ON_SLOT - [15:13] */
+#define WM831X_DC2_ON_MODE_MASK 0x0300 /* DC2_ON_MODE - [9:8] */
+#define WM831X_DC2_ON_MODE_SHIFT 8 /* DC2_ON_MODE - [9:8] */
+#define WM831X_DC2_ON_MODE_WIDTH 2 /* DC2_ON_MODE - [9:8] */
+#define WM831X_DC2_ON_VSEL_MASK 0x007F /* DC2_ON_VSEL - [6:0] */
+#define WM831X_DC2_ON_VSEL_SHIFT 0 /* DC2_ON_VSEL - [6:0] */
+#define WM831X_DC2_ON_VSEL_WIDTH 7 /* DC2_ON_VSEL - [6:0] */
+
+/*
+ * R16478 (0x405E) - DC2 SLEEP Control
+ */
+#define WM831X_DC2_SLP_SLOT_MASK 0xE000 /* DC2_SLP_SLOT - [15:13] */
+#define WM831X_DC2_SLP_SLOT_SHIFT 13 /* DC2_SLP_SLOT - [15:13] */
+#define WM831X_DC2_SLP_SLOT_WIDTH 3 /* DC2_SLP_SLOT - [15:13] */
+#define WM831X_DC2_SLP_MODE_MASK 0x0300 /* DC2_SLP_MODE - [9:8] */
+#define WM831X_DC2_SLP_MODE_SHIFT 8 /* DC2_SLP_MODE - [9:8] */
+#define WM831X_DC2_SLP_MODE_WIDTH 2 /* DC2_SLP_MODE - [9:8] */
+#define WM831X_DC2_SLP_VSEL_MASK 0x007F /* DC2_SLP_VSEL - [6:0] */
+#define WM831X_DC2_SLP_VSEL_SHIFT 0 /* DC2_SLP_VSEL - [6:0] */
+#define WM831X_DC2_SLP_VSEL_WIDTH 7 /* DC2_SLP_VSEL - [6:0] */
+
+/*
+ * R16479 (0x405F) - DC2 DVS Control
+ */
+#define WM831X_DC2_DVS_SRC_MASK 0x1800 /* DC2_DVS_SRC - [12:11] */
+#define WM831X_DC2_DVS_SRC_SHIFT 11 /* DC2_DVS_SRC - [12:11] */
+#define WM831X_DC2_DVS_SRC_WIDTH 2 /* DC2_DVS_SRC - [12:11] */
+#define WM831X_DC2_DVS_VSEL_MASK 0x007F /* DC2_DVS_VSEL - [6:0] */
+#define WM831X_DC2_DVS_VSEL_SHIFT 0 /* DC2_DVS_VSEL - [6:0] */
+#define WM831X_DC2_DVS_VSEL_WIDTH 7 /* DC2_DVS_VSEL - [6:0] */
+
+/*
+ * R16480 (0x4060) - DC3 Control 1
+ */
+#define WM831X_DC3_PHASE 0x1000 /* DC3_PHASE */
+#define WM831X_DC3_PHASE_MASK 0x1000 /* DC3_PHASE */
+#define WM831X_DC3_PHASE_SHIFT 12 /* DC3_PHASE */
+#define WM831X_DC3_PHASE_WIDTH 1 /* DC3_PHASE */
+#define WM831X_DC3_FLT 0x0080 /* DC3_FLT */
+#define WM831X_DC3_FLT_MASK 0x0080 /* DC3_FLT */
+#define WM831X_DC3_FLT_SHIFT 7 /* DC3_FLT */
+#define WM831X_DC3_FLT_WIDTH 1 /* DC3_FLT */
+#define WM831X_DC3_SOFT_START_MASK 0x0030 /* DC3_SOFT_START - [5:4] */
+#define WM831X_DC3_SOFT_START_SHIFT 4 /* DC3_SOFT_START - [5:4] */
+#define WM831X_DC3_SOFT_START_WIDTH 2 /* DC3_SOFT_START - [5:4] */
+#define WM831X_DC3_STNBY_LIM_MASK 0x000C /* DC3_STNBY_LIM - [3:2] */
+#define WM831X_DC3_STNBY_LIM_SHIFT 2 /* DC3_STNBY_LIM - [3:2] */
+#define WM831X_DC3_STNBY_LIM_WIDTH 2 /* DC3_STNBY_LIM - [3:2] */
+#define WM831X_DC3_CAP_MASK 0x0003 /* DC3_CAP - [1:0] */
+#define WM831X_DC3_CAP_SHIFT 0 /* DC3_CAP - [1:0] */
+#define WM831X_DC3_CAP_WIDTH 2 /* DC3_CAP - [1:0] */
+
+/*
+ * R16481 (0x4061) - DC3 Control 2
+ */
+#define WM831X_DC3_ERR_ACT_MASK 0xC000 /* DC3_ERR_ACT - [15:14] */
+#define WM831X_DC3_ERR_ACT_SHIFT 14 /* DC3_ERR_ACT - [15:14] */
+#define WM831X_DC3_ERR_ACT_WIDTH 2 /* DC3_ERR_ACT - [15:14] */
+#define WM831X_DC3_HWC_SRC_MASK 0x1800 /* DC3_HWC_SRC - [12:11] */
+#define WM831X_DC3_HWC_SRC_SHIFT 11 /* DC3_HWC_SRC - [12:11] */
+#define WM831X_DC3_HWC_SRC_WIDTH 2 /* DC3_HWC_SRC - [12:11] */
+#define WM831X_DC3_HWC_VSEL 0x0400 /* DC3_HWC_VSEL */
+#define WM831X_DC3_HWC_VSEL_MASK 0x0400 /* DC3_HWC_VSEL */
+#define WM831X_DC3_HWC_VSEL_SHIFT 10 /* DC3_HWC_VSEL */
+#define WM831X_DC3_HWC_VSEL_WIDTH 1 /* DC3_HWC_VSEL */
+#define WM831X_DC3_HWC_MODE_MASK 0x0300 /* DC3_HWC_MODE - [9:8] */
+#define WM831X_DC3_HWC_MODE_SHIFT 8 /* DC3_HWC_MODE - [9:8] */
+#define WM831X_DC3_HWC_MODE_WIDTH 2 /* DC3_HWC_MODE - [9:8] */
+#define WM831X_DC3_OVP 0x0080 /* DC3_OVP */
+#define WM831X_DC3_OVP_MASK 0x0080 /* DC3_OVP */
+#define WM831X_DC3_OVP_SHIFT 7 /* DC3_OVP */
+#define WM831X_DC3_OVP_WIDTH 1 /* DC3_OVP */
+
+/*
+ * R16482 (0x4062) - DC3 ON Config
+ */
+#define WM831X_DC3_ON_SLOT_MASK 0xE000 /* DC3_ON_SLOT - [15:13] */
+#define WM831X_DC3_ON_SLOT_SHIFT 13 /* DC3_ON_SLOT - [15:13] */
+#define WM831X_DC3_ON_SLOT_WIDTH 3 /* DC3_ON_SLOT - [15:13] */
+#define WM831X_DC3_ON_MODE_MASK 0x0300 /* DC3_ON_MODE - [9:8] */
+#define WM831X_DC3_ON_MODE_SHIFT 8 /* DC3_ON_MODE - [9:8] */
+#define WM831X_DC3_ON_MODE_WIDTH 2 /* DC3_ON_MODE - [9:8] */
+#define WM831X_DC3_ON_VSEL_MASK 0x007F /* DC3_ON_VSEL - [6:0] */
+#define WM831X_DC3_ON_VSEL_SHIFT 0 /* DC3_ON_VSEL - [6:0] */
+#define WM831X_DC3_ON_VSEL_WIDTH 7 /* DC3_ON_VSEL - [6:0] */
+
+/*
+ * R16483 (0x4063) - DC3 SLEEP Control
+ */
+#define WM831X_DC3_SLP_SLOT_MASK 0xE000 /* DC3_SLP_SLOT - [15:13] */
+#define WM831X_DC3_SLP_SLOT_SHIFT 13 /* DC3_SLP_SLOT - [15:13] */
+#define WM831X_DC3_SLP_SLOT_WIDTH 3 /* DC3_SLP_SLOT - [15:13] */
+#define WM831X_DC3_SLP_MODE_MASK 0x0300 /* DC3_SLP_MODE - [9:8] */
+#define WM831X_DC3_SLP_MODE_SHIFT 8 /* DC3_SLP_MODE - [9:8] */
+#define WM831X_DC3_SLP_MODE_WIDTH 2 /* DC3_SLP_MODE - [9:8] */
+#define WM831X_DC3_SLP_VSEL_MASK 0x007F /* DC3_SLP_VSEL - [6:0] */
+#define WM831X_DC3_SLP_VSEL_SHIFT 0 /* DC3_SLP_VSEL - [6:0] */
+#define WM831X_DC3_SLP_VSEL_WIDTH 7 /* DC3_SLP_VSEL - [6:0] */
+
+/*
+ * R16484 (0x4064) - DC4 Control
+ */
+#define WM831X_DC4_ERR_ACT_MASK 0xC000 /* DC4_ERR_ACT - [15:14] */
+#define WM831X_DC4_ERR_ACT_SHIFT 14 /* DC4_ERR_ACT - [15:14] */
+#define WM831X_DC4_ERR_ACT_WIDTH 2 /* DC4_ERR_ACT - [15:14] */
+#define WM831X_DC4_HWC_SRC_MASK 0x1800 /* DC4_HWC_SRC - [12:11] */
+#define WM831X_DC4_HWC_SRC_SHIFT 11 /* DC4_HWC_SRC - [12:11] */
+#define WM831X_DC4_HWC_SRC_WIDTH 2 /* DC4_HWC_SRC - [12:11] */
+#define WM831X_DC4_HWC_MODE 0x0100 /* DC4_HWC_MODE */
+#define WM831X_DC4_HWC_MODE_MASK 0x0100 /* DC4_HWC_MODE */
+#define WM831X_DC4_HWC_MODE_SHIFT 8 /* DC4_HWC_MODE */
+#define WM831X_DC4_HWC_MODE_WIDTH 1 /* DC4_HWC_MODE */
+#define WM831X_DC4_RANGE_MASK 0x000C /* DC4_RANGE - [3:2] */
+#define WM831X_DC4_RANGE_SHIFT 2 /* DC4_RANGE - [3:2] */
+#define WM831X_DC4_RANGE_WIDTH 2 /* DC4_RANGE - [3:2] */
+#define WM831X_DC4_FBSRC 0x0001 /* DC4_FBSRC */
+#define WM831X_DC4_FBSRC_MASK 0x0001 /* DC4_FBSRC */
+#define WM831X_DC4_FBSRC_SHIFT 0 /* DC4_FBSRC */
+#define WM831X_DC4_FBSRC_WIDTH 1 /* DC4_FBSRC */
+
+/*
+ * R16485 (0x4065) - DC4 SLEEP Control
+ */
+#define WM831X_DC4_SLPENA 0x0100 /* DC4_SLPENA */
+#define WM831X_DC4_SLPENA_MASK 0x0100 /* DC4_SLPENA */
+#define WM831X_DC4_SLPENA_SHIFT 8 /* DC4_SLPENA */
+#define WM831X_DC4_SLPENA_WIDTH 1 /* DC4_SLPENA */
+
+/*
+ * R16526 (0x408E) - Power Good Source 1
+ */
+#define WM831X_DC4_OK 0x0008 /* DC4_OK */
+#define WM831X_DC4_OK_MASK 0x0008 /* DC4_OK */
+#define WM831X_DC4_OK_SHIFT 3 /* DC4_OK */
+#define WM831X_DC4_OK_WIDTH 1 /* DC4_OK */
+#define WM831X_DC3_OK 0x0004 /* DC3_OK */
+#define WM831X_DC3_OK_MASK 0x0004 /* DC3_OK */
+#define WM831X_DC3_OK_SHIFT 2 /* DC3_OK */
+#define WM831X_DC3_OK_WIDTH 1 /* DC3_OK */
+#define WM831X_DC2_OK 0x0002 /* DC2_OK */
+#define WM831X_DC2_OK_MASK 0x0002 /* DC2_OK */
+#define WM831X_DC2_OK_SHIFT 1 /* DC2_OK */
+#define WM831X_DC2_OK_WIDTH 1 /* DC2_OK */
+#define WM831X_DC1_OK 0x0001 /* DC1_OK */
+#define WM831X_DC1_OK_MASK 0x0001 /* DC1_OK */
+#define WM831X_DC1_OK_SHIFT 0 /* DC1_OK */
+#define WM831X_DC1_OK_WIDTH 1 /* DC1_OK */
+
#define WM831X_ISINK_MAX_ISEL 56
extern int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL];
--
GitLab
From d1c6b4fe668b2ae02f490deee86eaab60822a362 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 28 Jul 2009 15:22:02 +0100
Subject: [PATCH 598/742] regulator: Add WM831x LDO support
The WM831x series of devices provide three types of LDO:
- General purpose LDOs supporting voltages from 0.9-3.3V
- High performance analogue LDOs supporting voltages from 1-3.5V
- Very low power consumption LDOs intended to support always on
functionality.
This patch adds support for all three kinds of LDO. Each regulator
is probed as an individual platform device with resources used to
provide the register map location of the regulator. Mixed hardware
and software control of regulators is not current supported.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/Makefile | 1 +
drivers/regulator/wm831x-ldo.c | 852 +++++++++++++++++++++++++++
include/linux/mfd/wm831x/regulator.h | 626 ++++++++++++++++++++
3 files changed, 1479 insertions(+)
create mode 100644 drivers/regulator/wm831x-ldo.c
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index b1d2b826f532..a0a635fdae87 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o
obj-$(CONFIG_REGULATOR_TWL4030) += twl4030-regulator.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
+obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o
obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
new file mode 100644
index 000000000000..bb61aede4801
--- /dev/null
+++ b/drivers/regulator/wm831x-ldo.c
@@ -0,0 +1,852 @@
+/*
+ * wm831x-ldo.c -- LDO driver for the WM831x series
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/bitops.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/regulator.h>
+#include <linux/mfd/wm831x/pdata.h>
+
+#define WM831X_LDO_MAX_NAME 6
+
+#define WM831X_LDO_CONTROL 0
+#define WM831X_LDO_ON_CONTROL 1
+#define WM831X_LDO_SLEEP_CONTROL 2
+
+#define WM831X_ALIVE_LDO_ON_CONTROL 0
+#define WM831X_ALIVE_LDO_SLEEP_CONTROL 1
+
+struct wm831x_ldo {
+ char name[WM831X_LDO_MAX_NAME];
+ struct regulator_desc desc;
+ int base;
+ struct wm831x *wm831x;
+ struct regulator_dev *regulator;
+};
+
+/*
+ * Shared
+ */
+
+static int wm831x_ldo_is_enabled(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int mask = 1 << rdev_get_id(rdev);
+ int reg;
+
+ reg = wm831x_reg_read(wm831x, WM831X_LDO_ENABLE);
+ if (reg < 0)
+ return reg;
+
+ if (reg & mask)
+ return 1;
+ else
+ return 0;
+}
+
+static int wm831x_ldo_enable(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int mask = 1 << rdev_get_id(rdev);
+
+ return wm831x_set_bits(wm831x, WM831X_LDO_ENABLE, mask, mask);
+}
+
+static int wm831x_ldo_disable(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int mask = 1 << rdev_get_id(rdev);
+
+ return wm831x_set_bits(wm831x, WM831X_LDO_ENABLE, mask, 0);
+}
+
+static irqreturn_t wm831x_ldo_uv_irq(int irq, void *data)
+{
+ struct wm831x_ldo *ldo = data;
+
+ regulator_notifier_call_chain(ldo->regulator,
+ REGULATOR_EVENT_UNDER_VOLTAGE,
+ NULL);
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * General purpose LDOs
+ */
+
+#define WM831X_GP_LDO_SELECTOR_LOW 0xe
+#define WM831X_GP_LDO_MAX_SELECTOR 0x1f
+
+static int wm831x_gp_ldo_list_voltage(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ /* 0.9-1.6V in 50mV steps */
+ if (selector <= WM831X_GP_LDO_SELECTOR_LOW)
+ return 900000 + (selector * 50000);
+ /* 1.7-3.3V in 50mV steps */
+ if (selector <= WM831X_GP_LDO_MAX_SELECTOR)
+ return 1600000 + ((selector - WM831X_GP_LDO_SELECTOR_LOW)
+ * 100000);
+ return -EINVAL;
+}
+
+static int wm831x_gp_ldo_set_voltage_int(struct regulator_dev *rdev, int reg,
+ int min_uV, int max_uV)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int vsel, ret;
+
+ if (min_uV < 900000)
+ vsel = 0;
+ else if (min_uV < 1700000)
+ vsel = ((min_uV - 900000) / 50000);
+ else
+ vsel = ((min_uV - 1700000) / 100000)
+ + WM831X_GP_LDO_SELECTOR_LOW + 1;
+
+ ret = wm831x_gp_ldo_list_voltage(rdev, vsel);
+ if (ret < 0)
+ return ret;
+ if (ret < min_uV || ret > max_uV)
+ return -EINVAL;
+
+ return wm831x_set_bits(wm831x, reg, WM831X_LDO1_ON_VSEL_MASK, vsel);
+}
+
+static int wm831x_gp_ldo_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ int reg = ldo->base + WM831X_LDO_ON_CONTROL;
+
+ return wm831x_gp_ldo_set_voltage_int(rdev, reg, min_uV, max_uV);
+}
+
+static int wm831x_gp_ldo_set_suspend_voltage(struct regulator_dev *rdev,
+ int uV)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ int reg = ldo->base + WM831X_LDO_SLEEP_CONTROL;
+
+ return wm831x_gp_ldo_set_voltage_int(rdev, reg, uV, uV);
+}
+
+static int wm831x_gp_ldo_get_voltage(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int reg = ldo->base + WM831X_LDO_ON_CONTROL;
+ int ret;
+
+ ret = wm831x_reg_read(wm831x, reg);
+ if (ret < 0)
+ return ret;
+
+ ret &= WM831X_LDO1_ON_VSEL_MASK;
+
+ return wm831x_gp_ldo_list_voltage(rdev, ret);
+}
+
+static unsigned int wm831x_gp_ldo_get_mode(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int ctrl_reg = ldo->base + WM831X_LDO_CONTROL;
+ int on_reg = ldo->base + WM831X_LDO_ON_CONTROL;
+ unsigned int ret;
+
+ ret = wm831x_reg_read(wm831x, on_reg);
+ if (ret < 0)
+ return 0;
+
+ if (!(ret & WM831X_LDO1_ON_MODE))
+ return REGULATOR_MODE_NORMAL;
+
+ ret = wm831x_reg_read(wm831x, ctrl_reg);
+ if (ret < 0)
+ return 0;
+
+ if (ret & WM831X_LDO1_LP_MODE)
+ return REGULATOR_MODE_STANDBY;
+ else
+ return REGULATOR_MODE_IDLE;
+}
+
+static int wm831x_gp_ldo_set_mode(struct regulator_dev *rdev,
+ unsigned int mode)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int ctrl_reg = ldo->base + WM831X_LDO_CONTROL;
+ int on_reg = ldo->base + WM831X_LDO_ON_CONTROL;
+ int ret;
+
+
+ switch (mode) {
+ case REGULATOR_MODE_NORMAL:
+ ret = wm831x_set_bits(wm831x, on_reg,
+ WM831X_LDO1_ON_MODE, 0);
+ if (ret < 0)
+ return ret;
+ break;
+
+ case REGULATOR_MODE_IDLE:
+ ret = wm831x_set_bits(wm831x, ctrl_reg,
+ WM831X_LDO1_LP_MODE,
+ WM831X_LDO1_LP_MODE);
+ if (ret < 0)
+ return ret;
+
+ ret = wm831x_set_bits(wm831x, on_reg,
+ WM831X_LDO1_ON_MODE,
+ WM831X_LDO1_ON_MODE);
+ if (ret < 0)
+ return ret;
+
+ case REGULATOR_MODE_STANDBY:
+ ret = wm831x_set_bits(wm831x, ctrl_reg,
+ WM831X_LDO1_LP_MODE, 0);
+ if (ret < 0)
+ return ret;
+
+ ret = wm831x_set_bits(wm831x, on_reg,
+ WM831X_LDO1_ON_MODE,
+ WM831X_LDO1_ON_MODE);
+ if (ret < 0)
+ return ret;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int wm831x_gp_ldo_get_status(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int mask = 1 << rdev_get_id(rdev);
+ int ret;
+
+ /* Is the regulator on? */
+ ret = wm831x_reg_read(wm831x, WM831X_LDO_STATUS);
+ if (ret < 0)
+ return ret;
+ if (!(ret & mask))
+ return REGULATOR_STATUS_OFF;
+
+ /* Is it reporting under voltage? */
+ ret = wm831x_reg_read(wm831x, WM831X_LDO_UV_STATUS);
+ if (ret & mask)
+ return REGULATOR_STATUS_ERROR;
+
+ ret = wm831x_gp_ldo_get_mode(rdev);
+ if (ret < 0)
+ return ret;
+ else
+ return regulator_mode_to_status(ret);
+}
+
+static unsigned int wm831x_gp_ldo_get_optimum_mode(struct regulator_dev *rdev,
+ int input_uV,
+ int output_uV, int load_uA)
+{
+ if (load_uA < 20000)
+ return REGULATOR_MODE_STANDBY;
+ if (load_uA < 50000)
+ return REGULATOR_MODE_IDLE;
+ return REGULATOR_MODE_NORMAL;
+}
+
+
+static struct regulator_ops wm831x_gp_ldo_ops = {
+ .list_voltage = wm831x_gp_ldo_list_voltage,
+ .get_voltage = wm831x_gp_ldo_get_voltage,
+ .set_voltage = wm831x_gp_ldo_set_voltage,
+ .set_suspend_voltage = wm831x_gp_ldo_set_suspend_voltage,
+ .get_mode = wm831x_gp_ldo_get_mode,
+ .set_mode = wm831x_gp_ldo_set_mode,
+ .get_status = wm831x_gp_ldo_get_status,
+ .get_optimum_mode = wm831x_gp_ldo_get_optimum_mode,
+
+ .is_enabled = wm831x_ldo_is_enabled,
+ .enable = wm831x_ldo_enable,
+ .disable = wm831x_ldo_disable,
+};
+
+static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ int id = pdev->id % ARRAY_SIZE(pdata->ldo);
+ struct wm831x_ldo *ldo;
+ struct resource *res;
+ int ret, irq;
+
+ dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
+
+ if (pdata == NULL || pdata->ldo[id] == NULL)
+ return -ENODEV;
+
+ ldo = kzalloc(sizeof(struct wm831x_ldo), GFP_KERNEL);
+ if (ldo == NULL) {
+ dev_err(&pdev->dev, "Unable to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ ldo->wm831x = wm831x;
+
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "No I/O resource\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ ldo->base = res->start;
+
+ snprintf(ldo->name, sizeof(ldo->name), "LDO%d", id + 1);
+ ldo->desc.name = ldo->name;
+ ldo->desc.id = id;
+ ldo->desc.type = REGULATOR_VOLTAGE;
+ ldo->desc.n_voltages = WM831X_GP_LDO_MAX_SELECTOR + 1;
+ ldo->desc.ops = &wm831x_gp_ldo_ops;
+ ldo->desc.owner = THIS_MODULE;
+
+ ldo->regulator = regulator_register(&ldo->desc, &pdev->dev,
+ pdata->ldo[id], ldo);
+ if (IS_ERR(ldo->regulator)) {
+ ret = PTR_ERR(ldo->regulator);
+ dev_err(wm831x->dev, "Failed to register LDO%d: %d\n",
+ id + 1, ret);
+ goto err;
+ }
+
+ irq = platform_get_irq_byname(pdev, "UV");
+ ret = wm831x_request_irq(wm831x, irq, wm831x_ldo_uv_irq,
+ IRQF_TRIGGER_RISING, ldo->name,
+ ldo);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
+ irq, ret);
+ goto err_regulator;
+ }
+
+ platform_set_drvdata(pdev, ldo);
+
+ return 0;
+
+err_regulator:
+ regulator_unregister(ldo->regulator);
+err:
+ kfree(ldo);
+ return ret;
+}
+
+static __devexit int wm831x_gp_ldo_remove(struct platform_device *pdev)
+{
+ struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
+ struct wm831x *wm831x = ldo->wm831x;
+
+ wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), ldo);
+ regulator_unregister(ldo->regulator);
+ kfree(ldo);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_gp_ldo_driver = {
+ .probe = wm831x_gp_ldo_probe,
+ .remove = __devexit_p(wm831x_gp_ldo_remove),
+ .driver = {
+ .name = "wm831x-ldo",
+ },
+};
+
+/*
+ * Analogue LDOs
+ */
+
+
+#define WM831X_ALDO_SELECTOR_LOW 0xc
+#define WM831X_ALDO_MAX_SELECTOR 0x1f
+
+static int wm831x_aldo_list_voltage(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ /* 1-1.6V in 50mV steps */
+ if (selector <= WM831X_ALDO_SELECTOR_LOW)
+ return 1000000 + (selector * 50000);
+ /* 1.7-3.5V in 50mV steps */
+ if (selector <= WM831X_ALDO_MAX_SELECTOR)
+ return 1600000 + ((selector - WM831X_ALDO_SELECTOR_LOW)
+ * 100000);
+ return -EINVAL;
+}
+
+static int wm831x_aldo_set_voltage_int(struct regulator_dev *rdev, int reg,
+ int min_uV, int max_uV)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int vsel, ret;
+
+ if (min_uV < 1000000)
+ vsel = 0;
+ else if (min_uV < 1700000)
+ vsel = ((min_uV - 1000000) / 50000);
+ else
+ vsel = ((min_uV - 1700000) / 100000)
+ + WM831X_ALDO_SELECTOR_LOW + 1;
+
+ ret = wm831x_aldo_list_voltage(rdev, vsel);
+ if (ret < 0)
+ return ret;
+ if (ret < min_uV || ret > max_uV)
+ return -EINVAL;
+
+ return wm831x_set_bits(wm831x, reg, WM831X_LDO7_ON_VSEL_MASK, vsel);
+}
+
+static int wm831x_aldo_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ int reg = ldo->base + WM831X_LDO_ON_CONTROL;
+
+ return wm831x_aldo_set_voltage_int(rdev, reg, min_uV, max_uV);
+}
+
+static int wm831x_aldo_set_suspend_voltage(struct regulator_dev *rdev,
+ int uV)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ int reg = ldo->base + WM831X_LDO_SLEEP_CONTROL;
+
+ return wm831x_aldo_set_voltage_int(rdev, reg, uV, uV);
+}
+
+static int wm831x_aldo_get_voltage(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int reg = ldo->base + WM831X_LDO_ON_CONTROL;
+ int ret;
+
+ ret = wm831x_reg_read(wm831x, reg);
+ if (ret < 0)
+ return ret;
+
+ ret &= WM831X_LDO7_ON_VSEL_MASK;
+
+ return wm831x_aldo_list_voltage(rdev, ret);
+}
+
+static unsigned int wm831x_aldo_get_mode(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int on_reg = ldo->base + WM831X_LDO_ON_CONTROL;
+ unsigned int ret;
+
+ ret = wm831x_reg_read(wm831x, on_reg);
+ if (ret < 0)
+ return 0;
+
+ if (ret & WM831X_LDO7_ON_MODE)
+ return REGULATOR_MODE_IDLE;
+ else
+ return REGULATOR_MODE_NORMAL;
+}
+
+static int wm831x_aldo_set_mode(struct regulator_dev *rdev,
+ unsigned int mode)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int ctrl_reg = ldo->base + WM831X_LDO_CONTROL;
+ int on_reg = ldo->base + WM831X_LDO_ON_CONTROL;
+ int ret;
+
+
+ switch (mode) {
+ case REGULATOR_MODE_NORMAL:
+ ret = wm831x_set_bits(wm831x, on_reg,
+ WM831X_LDO7_ON_MODE, 0);
+ if (ret < 0)
+ return ret;
+ break;
+
+ case REGULATOR_MODE_IDLE:
+ ret = wm831x_set_bits(wm831x, ctrl_reg,
+ WM831X_LDO7_ON_MODE,
+ WM831X_LDO7_ON_MODE);
+ if (ret < 0)
+ return ret;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int wm831x_aldo_get_status(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int mask = 1 << rdev_get_id(rdev);
+ int ret;
+
+ /* Is the regulator on? */
+ ret = wm831x_reg_read(wm831x, WM831X_LDO_STATUS);
+ if (ret < 0)
+ return ret;
+ if (!(ret & mask))
+ return REGULATOR_STATUS_OFF;
+
+ /* Is it reporting under voltage? */
+ ret = wm831x_reg_read(wm831x, WM831X_LDO_UV_STATUS);
+ if (ret & mask)
+ return REGULATOR_STATUS_ERROR;
+
+ ret = wm831x_aldo_get_mode(rdev);
+ if (ret < 0)
+ return ret;
+ else
+ return regulator_mode_to_status(ret);
+}
+
+static struct regulator_ops wm831x_aldo_ops = {
+ .list_voltage = wm831x_aldo_list_voltage,
+ .get_voltage = wm831x_aldo_get_voltage,
+ .set_voltage = wm831x_aldo_set_voltage,
+ .set_suspend_voltage = wm831x_aldo_set_suspend_voltage,
+ .get_mode = wm831x_aldo_get_mode,
+ .set_mode = wm831x_aldo_set_mode,
+ .get_status = wm831x_aldo_get_status,
+
+ .is_enabled = wm831x_ldo_is_enabled,
+ .enable = wm831x_ldo_enable,
+ .disable = wm831x_ldo_disable,
+};
+
+static __devinit int wm831x_aldo_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ int id = pdev->id % ARRAY_SIZE(pdata->ldo);
+ struct wm831x_ldo *ldo;
+ struct resource *res;
+ int ret, irq;
+
+ dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
+
+ if (pdata == NULL || pdata->ldo[id] == NULL)
+ return -ENODEV;
+
+ ldo = kzalloc(sizeof(struct wm831x_ldo), GFP_KERNEL);
+ if (ldo == NULL) {
+ dev_err(&pdev->dev, "Unable to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ ldo->wm831x = wm831x;
+
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "No I/O resource\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ ldo->base = res->start;
+
+ snprintf(ldo->name, sizeof(ldo->name), "LDO%d", id + 1);
+ ldo->desc.name = ldo->name;
+ ldo->desc.id = id;
+ ldo->desc.type = REGULATOR_VOLTAGE;
+ ldo->desc.n_voltages = WM831X_ALDO_MAX_SELECTOR + 1;
+ ldo->desc.ops = &wm831x_aldo_ops;
+ ldo->desc.owner = THIS_MODULE;
+
+ ldo->regulator = regulator_register(&ldo->desc, &pdev->dev,
+ pdata->ldo[id], ldo);
+ if (IS_ERR(ldo->regulator)) {
+ ret = PTR_ERR(ldo->regulator);
+ dev_err(wm831x->dev, "Failed to register LDO%d: %d\n",
+ id + 1, ret);
+ goto err;
+ }
+
+ irq = platform_get_irq_byname(pdev, "UV");
+ ret = wm831x_request_irq(wm831x, irq, wm831x_ldo_uv_irq,
+ IRQF_TRIGGER_RISING, ldo->name,
+ ldo);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
+ irq, ret);
+ goto err_regulator;
+ }
+
+ platform_set_drvdata(pdev, ldo);
+
+ return 0;
+
+err_regulator:
+ regulator_unregister(ldo->regulator);
+err:
+ kfree(ldo);
+ return ret;
+}
+
+static __devexit int wm831x_aldo_remove(struct platform_device *pdev)
+{
+ struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
+ struct wm831x *wm831x = ldo->wm831x;
+
+ wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), ldo);
+ regulator_unregister(ldo->regulator);
+ kfree(ldo);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_aldo_driver = {
+ .probe = wm831x_aldo_probe,
+ .remove = __devexit_p(wm831x_aldo_remove),
+ .driver = {
+ .name = "wm831x-aldo",
+ },
+};
+
+/*
+ * Alive LDO
+ */
+
+#define WM831X_ALIVE_LDO_MAX_SELECTOR 0xf
+
+static int wm831x_alive_ldo_list_voltage(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ /* 0.8-1.55V in 50mV steps */
+ if (selector <= WM831X_ALIVE_LDO_MAX_SELECTOR)
+ return 800000 + (selector * 50000);
+ return -EINVAL;
+}
+
+static int wm831x_alive_ldo_set_voltage_int(struct regulator_dev *rdev,
+ int reg,
+ int min_uV, int max_uV)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int vsel, ret;
+
+ vsel = (min_uV - 800000) / 50000;
+
+ ret = wm831x_alive_ldo_list_voltage(rdev, vsel);
+ if (ret < 0)
+ return ret;
+ if (ret < min_uV || ret > max_uV)
+ return -EINVAL;
+
+ return wm831x_set_bits(wm831x, reg, WM831X_LDO11_ON_VSEL_MASK, vsel);
+}
+
+static int wm831x_alive_ldo_set_voltage(struct regulator_dev *rdev,
+ int min_uV, int max_uV)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ int reg = ldo->base + WM831X_ALIVE_LDO_ON_CONTROL;
+
+ return wm831x_alive_ldo_set_voltage_int(rdev, reg, min_uV, max_uV);
+}
+
+static int wm831x_alive_ldo_set_suspend_voltage(struct regulator_dev *rdev,
+ int uV)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ int reg = ldo->base + WM831X_ALIVE_LDO_SLEEP_CONTROL;
+
+ return wm831x_alive_ldo_set_voltage_int(rdev, reg, uV, uV);
+}
+
+static int wm831x_alive_ldo_get_voltage(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int reg = ldo->base + WM831X_ALIVE_LDO_ON_CONTROL;
+ int ret;
+
+ ret = wm831x_reg_read(wm831x, reg);
+ if (ret < 0)
+ return ret;
+
+ ret &= WM831X_LDO11_ON_VSEL_MASK;
+
+ return wm831x_alive_ldo_list_voltage(rdev, ret);
+}
+
+static int wm831x_alive_ldo_get_status(struct regulator_dev *rdev)
+{
+ struct wm831x_ldo *ldo = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = ldo->wm831x;
+ int mask = 1 << rdev_get_id(rdev);
+ int ret;
+
+ /* Is the regulator on? */
+ ret = wm831x_reg_read(wm831x, WM831X_LDO_STATUS);
+ if (ret < 0)
+ return ret;
+ if (ret & mask)
+ return REGULATOR_STATUS_ON;
+ else
+ return REGULATOR_STATUS_OFF;
+}
+
+static struct regulator_ops wm831x_alive_ldo_ops = {
+ .list_voltage = wm831x_alive_ldo_list_voltage,
+ .get_voltage = wm831x_alive_ldo_get_voltage,
+ .set_voltage = wm831x_alive_ldo_set_voltage,
+ .set_suspend_voltage = wm831x_alive_ldo_set_suspend_voltage,
+ .get_status = wm831x_alive_ldo_get_status,
+
+ .is_enabled = wm831x_ldo_is_enabled,
+ .enable = wm831x_ldo_enable,
+ .disable = wm831x_ldo_disable,
+};
+
+static __devinit int wm831x_alive_ldo_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ int id = pdev->id % ARRAY_SIZE(pdata->ldo);
+ struct wm831x_ldo *ldo;
+ struct resource *res;
+ int ret;
+
+ dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
+
+ if (pdata == NULL || pdata->ldo[id] == NULL)
+ return -ENODEV;
+
+ ldo = kzalloc(sizeof(struct wm831x_ldo), GFP_KERNEL);
+ if (ldo == NULL) {
+ dev_err(&pdev->dev, "Unable to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ ldo->wm831x = wm831x;
+
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "No I/O resource\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ ldo->base = res->start;
+
+ snprintf(ldo->name, sizeof(ldo->name), "LDO%d", id + 1);
+ ldo->desc.name = ldo->name;
+ ldo->desc.id = id;
+ ldo->desc.type = REGULATOR_VOLTAGE;
+ ldo->desc.n_voltages = WM831X_ALIVE_LDO_MAX_SELECTOR + 1;
+ ldo->desc.ops = &wm831x_alive_ldo_ops;
+ ldo->desc.owner = THIS_MODULE;
+
+ ldo->regulator = regulator_register(&ldo->desc, &pdev->dev,
+ pdata->ldo[id], ldo);
+ if (IS_ERR(ldo->regulator)) {
+ ret = PTR_ERR(ldo->regulator);
+ dev_err(wm831x->dev, "Failed to register LDO%d: %d\n",
+ id + 1, ret);
+ goto err;
+ }
+
+ platform_set_drvdata(pdev, ldo);
+
+ return 0;
+
+err:
+ kfree(ldo);
+ return ret;
+}
+
+static __devexit int wm831x_alive_ldo_remove(struct platform_device *pdev)
+{
+ struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
+
+ regulator_unregister(ldo->regulator);
+ kfree(ldo);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_alive_ldo_driver = {
+ .probe = wm831x_alive_ldo_probe,
+ .remove = __devexit_p(wm831x_alive_ldo_remove),
+ .driver = {
+ .name = "wm831x-alive-ldo",
+ },
+};
+
+static int __init wm831x_ldo_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&wm831x_gp_ldo_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM831x GP LDO driver: %d\n", ret);
+
+ ret = platform_driver_register(&wm831x_aldo_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM831x ALDO driver: %d\n", ret);
+
+ ret = platform_driver_register(&wm831x_alive_ldo_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM831x alive LDO driver: %d\n",
+ ret);
+
+ return 0;
+}
+subsys_initcall(wm831x_ldo_init);
+
+static void __exit wm831x_ldo_exit(void)
+{
+ platform_driver_unregister(&wm831x_alive_ldo_driver);
+ platform_driver_unregister(&wm831x_aldo_driver);
+ platform_driver_unregister(&wm831x_gp_ldo_driver);
+}
+module_exit(wm831x_ldo_exit);
+
+/* Module information */
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("WM831x LDO driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm831x-ldo");
+MODULE_ALIAS("platform:wm831x-aldo");
+MODULE_ALIAS("platform:wm831x-aliveldo");
diff --git a/include/linux/mfd/wm831x/regulator.h b/include/linux/mfd/wm831x/regulator.h
index c74d6aafdca8..f95466343fb2 100644
--- a/include/linux/mfd/wm831x/regulator.h
+++ b/include/linux/mfd/wm831x/regulator.h
@@ -566,6 +566,588 @@
#define WM831X_DC4_SLPENA_SHIFT 8 /* DC4_SLPENA */
#define WM831X_DC4_SLPENA_WIDTH 1 /* DC4_SLPENA */
+/*
+ * R16488 (0x4068) - LDO1 Control
+ */
+#define WM831X_LDO1_ERR_ACT_MASK 0xC000 /* LDO1_ERR_ACT - [15:14] */
+#define WM831X_LDO1_ERR_ACT_SHIFT 14 /* LDO1_ERR_ACT - [15:14] */
+#define WM831X_LDO1_ERR_ACT_WIDTH 2 /* LDO1_ERR_ACT - [15:14] */
+#define WM831X_LDO1_HWC_SRC_MASK 0x1800 /* LDO1_HWC_SRC - [12:11] */
+#define WM831X_LDO1_HWC_SRC_SHIFT 11 /* LDO1_HWC_SRC - [12:11] */
+#define WM831X_LDO1_HWC_SRC_WIDTH 2 /* LDO1_HWC_SRC - [12:11] */
+#define WM831X_LDO1_HWC_VSEL 0x0400 /* LDO1_HWC_VSEL */
+#define WM831X_LDO1_HWC_VSEL_MASK 0x0400 /* LDO1_HWC_VSEL */
+#define WM831X_LDO1_HWC_VSEL_SHIFT 10 /* LDO1_HWC_VSEL */
+#define WM831X_LDO1_HWC_VSEL_WIDTH 1 /* LDO1_HWC_VSEL */
+#define WM831X_LDO1_HWC_MODE_MASK 0x0300 /* LDO1_HWC_MODE - [9:8] */
+#define WM831X_LDO1_HWC_MODE_SHIFT 8 /* LDO1_HWC_MODE - [9:8] */
+#define WM831X_LDO1_HWC_MODE_WIDTH 2 /* LDO1_HWC_MODE - [9:8] */
+#define WM831X_LDO1_FLT 0x0080 /* LDO1_FLT */
+#define WM831X_LDO1_FLT_MASK 0x0080 /* LDO1_FLT */
+#define WM831X_LDO1_FLT_SHIFT 7 /* LDO1_FLT */
+#define WM831X_LDO1_FLT_WIDTH 1 /* LDO1_FLT */
+#define WM831X_LDO1_SWI 0x0040 /* LDO1_SWI */
+#define WM831X_LDO1_SWI_MASK 0x0040 /* LDO1_SWI */
+#define WM831X_LDO1_SWI_SHIFT 6 /* LDO1_SWI */
+#define WM831X_LDO1_SWI_WIDTH 1 /* LDO1_SWI */
+#define WM831X_LDO1_LP_MODE 0x0001 /* LDO1_LP_MODE */
+#define WM831X_LDO1_LP_MODE_MASK 0x0001 /* LDO1_LP_MODE */
+#define WM831X_LDO1_LP_MODE_SHIFT 0 /* LDO1_LP_MODE */
+#define WM831X_LDO1_LP_MODE_WIDTH 1 /* LDO1_LP_MODE */
+
+/*
+ * R16489 (0x4069) - LDO1 ON Control
+ */
+#define WM831X_LDO1_ON_SLOT_MASK 0xE000 /* LDO1_ON_SLOT - [15:13] */
+#define WM831X_LDO1_ON_SLOT_SHIFT 13 /* LDO1_ON_SLOT - [15:13] */
+#define WM831X_LDO1_ON_SLOT_WIDTH 3 /* LDO1_ON_SLOT - [15:13] */
+#define WM831X_LDO1_ON_MODE 0x0100 /* LDO1_ON_MODE */
+#define WM831X_LDO1_ON_MODE_MASK 0x0100 /* LDO1_ON_MODE */
+#define WM831X_LDO1_ON_MODE_SHIFT 8 /* LDO1_ON_MODE */
+#define WM831X_LDO1_ON_MODE_WIDTH 1 /* LDO1_ON_MODE */
+#define WM831X_LDO1_ON_VSEL_MASK 0x001F /* LDO1_ON_VSEL - [4:0] */
+#define WM831X_LDO1_ON_VSEL_SHIFT 0 /* LDO1_ON_VSEL - [4:0] */
+#define WM831X_LDO1_ON_VSEL_WIDTH 5 /* LDO1_ON_VSEL - [4:0] */
+
+/*
+ * R16490 (0x406A) - LDO1 SLEEP Control
+ */
+#define WM831X_LDO1_SLP_SLOT_MASK 0xE000 /* LDO1_SLP_SLOT - [15:13] */
+#define WM831X_LDO1_SLP_SLOT_SHIFT 13 /* LDO1_SLP_SLOT - [15:13] */
+#define WM831X_LDO1_SLP_SLOT_WIDTH 3 /* LDO1_SLP_SLOT - [15:13] */
+#define WM831X_LDO1_SLP_MODE 0x0100 /* LDO1_SLP_MODE */
+#define WM831X_LDO1_SLP_MODE_MASK 0x0100 /* LDO1_SLP_MODE */
+#define WM831X_LDO1_SLP_MODE_SHIFT 8 /* LDO1_SLP_MODE */
+#define WM831X_LDO1_SLP_MODE_WIDTH 1 /* LDO1_SLP_MODE */
+#define WM831X_LDO1_SLP_VSEL_MASK 0x001F /* LDO1_SLP_VSEL - [4:0] */
+#define WM831X_LDO1_SLP_VSEL_SHIFT 0 /* LDO1_SLP_VSEL - [4:0] */
+#define WM831X_LDO1_SLP_VSEL_WIDTH 5 /* LDO1_SLP_VSEL - [4:0] */
+
+/*
+ * R16491 (0x406B) - LDO2 Control
+ */
+#define WM831X_LDO2_ERR_ACT_MASK 0xC000 /* LDO2_ERR_ACT - [15:14] */
+#define WM831X_LDO2_ERR_ACT_SHIFT 14 /* LDO2_ERR_ACT - [15:14] */
+#define WM831X_LDO2_ERR_ACT_WIDTH 2 /* LDO2_ERR_ACT - [15:14] */
+#define WM831X_LDO2_HWC_SRC_MASK 0x1800 /* LDO2_HWC_SRC - [12:11] */
+#define WM831X_LDO2_HWC_SRC_SHIFT 11 /* LDO2_HWC_SRC - [12:11] */
+#define WM831X_LDO2_HWC_SRC_WIDTH 2 /* LDO2_HWC_SRC - [12:11] */
+#define WM831X_LDO2_HWC_VSEL 0x0400 /* LDO2_HWC_VSEL */
+#define WM831X_LDO2_HWC_VSEL_MASK 0x0400 /* LDO2_HWC_VSEL */
+#define WM831X_LDO2_HWC_VSEL_SHIFT 10 /* LDO2_HWC_VSEL */
+#define WM831X_LDO2_HWC_VSEL_WIDTH 1 /* LDO2_HWC_VSEL */
+#define WM831X_LDO2_HWC_MODE_MASK 0x0300 /* LDO2_HWC_MODE - [9:8] */
+#define WM831X_LDO2_HWC_MODE_SHIFT 8 /* LDO2_HWC_MODE - [9:8] */
+#define WM831X_LDO2_HWC_MODE_WIDTH 2 /* LDO2_HWC_MODE - [9:8] */
+#define WM831X_LDO2_FLT 0x0080 /* LDO2_FLT */
+#define WM831X_LDO2_FLT_MASK 0x0080 /* LDO2_FLT */
+#define WM831X_LDO2_FLT_SHIFT 7 /* LDO2_FLT */
+#define WM831X_LDO2_FLT_WIDTH 1 /* LDO2_FLT */
+#define WM831X_LDO2_SWI 0x0040 /* LDO2_SWI */
+#define WM831X_LDO2_SWI_MASK 0x0040 /* LDO2_SWI */
+#define WM831X_LDO2_SWI_SHIFT 6 /* LDO2_SWI */
+#define WM831X_LDO2_SWI_WIDTH 1 /* LDO2_SWI */
+#define WM831X_LDO2_LP_MODE 0x0001 /* LDO2_LP_MODE */
+#define WM831X_LDO2_LP_MODE_MASK 0x0001 /* LDO2_LP_MODE */
+#define WM831X_LDO2_LP_MODE_SHIFT 0 /* LDO2_LP_MODE */
+#define WM831X_LDO2_LP_MODE_WIDTH 1 /* LDO2_LP_MODE */
+
+/*
+ * R16492 (0x406C) - LDO2 ON Control
+ */
+#define WM831X_LDO2_ON_SLOT_MASK 0xE000 /* LDO2_ON_SLOT - [15:13] */
+#define WM831X_LDO2_ON_SLOT_SHIFT 13 /* LDO2_ON_SLOT - [15:13] */
+#define WM831X_LDO2_ON_SLOT_WIDTH 3 /* LDO2_ON_SLOT - [15:13] */
+#define WM831X_LDO2_ON_MODE 0x0100 /* LDO2_ON_MODE */
+#define WM831X_LDO2_ON_MODE_MASK 0x0100 /* LDO2_ON_MODE */
+#define WM831X_LDO2_ON_MODE_SHIFT 8 /* LDO2_ON_MODE */
+#define WM831X_LDO2_ON_MODE_WIDTH 1 /* LDO2_ON_MODE */
+#define WM831X_LDO2_ON_VSEL_MASK 0x001F /* LDO2_ON_VSEL - [4:0] */
+#define WM831X_LDO2_ON_VSEL_SHIFT 0 /* LDO2_ON_VSEL - [4:0] */
+#define WM831X_LDO2_ON_VSEL_WIDTH 5 /* LDO2_ON_VSEL - [4:0] */
+
+/*
+ * R16493 (0x406D) - LDO2 SLEEP Control
+ */
+#define WM831X_LDO2_SLP_SLOT_MASK 0xE000 /* LDO2_SLP_SLOT - [15:13] */
+#define WM831X_LDO2_SLP_SLOT_SHIFT 13 /* LDO2_SLP_SLOT - [15:13] */
+#define WM831X_LDO2_SLP_SLOT_WIDTH 3 /* LDO2_SLP_SLOT - [15:13] */
+#define WM831X_LDO2_SLP_MODE 0x0100 /* LDO2_SLP_MODE */
+#define WM831X_LDO2_SLP_MODE_MASK 0x0100 /* LDO2_SLP_MODE */
+#define WM831X_LDO2_SLP_MODE_SHIFT 8 /* LDO2_SLP_MODE */
+#define WM831X_LDO2_SLP_MODE_WIDTH 1 /* LDO2_SLP_MODE */
+#define WM831X_LDO2_SLP_VSEL_MASK 0x001F /* LDO2_SLP_VSEL - [4:0] */
+#define WM831X_LDO2_SLP_VSEL_SHIFT 0 /* LDO2_SLP_VSEL - [4:0] */
+#define WM831X_LDO2_SLP_VSEL_WIDTH 5 /* LDO2_SLP_VSEL - [4:0] */
+
+/*
+ * R16494 (0x406E) - LDO3 Control
+ */
+#define WM831X_LDO3_ERR_ACT_MASK 0xC000 /* LDO3_ERR_ACT - [15:14] */
+#define WM831X_LDO3_ERR_ACT_SHIFT 14 /* LDO3_ERR_ACT - [15:14] */
+#define WM831X_LDO3_ERR_ACT_WIDTH 2 /* LDO3_ERR_ACT - [15:14] */
+#define WM831X_LDO3_HWC_SRC_MASK 0x1800 /* LDO3_HWC_SRC - [12:11] */
+#define WM831X_LDO3_HWC_SRC_SHIFT 11 /* LDO3_HWC_SRC - [12:11] */
+#define WM831X_LDO3_HWC_SRC_WIDTH 2 /* LDO3_HWC_SRC - [12:11] */
+#define WM831X_LDO3_HWC_VSEL 0x0400 /* LDO3_HWC_VSEL */
+#define WM831X_LDO3_HWC_VSEL_MASK 0x0400 /* LDO3_HWC_VSEL */
+#define WM831X_LDO3_HWC_VSEL_SHIFT 10 /* LDO3_HWC_VSEL */
+#define WM831X_LDO3_HWC_VSEL_WIDTH 1 /* LDO3_HWC_VSEL */
+#define WM831X_LDO3_HWC_MODE_MASK 0x0300 /* LDO3_HWC_MODE - [9:8] */
+#define WM831X_LDO3_HWC_MODE_SHIFT 8 /* LDO3_HWC_MODE - [9:8] */
+#define WM831X_LDO3_HWC_MODE_WIDTH 2 /* LDO3_HWC_MODE - [9:8] */
+#define WM831X_LDO3_FLT 0x0080 /* LDO3_FLT */
+#define WM831X_LDO3_FLT_MASK 0x0080 /* LDO3_FLT */
+#define WM831X_LDO3_FLT_SHIFT 7 /* LDO3_FLT */
+#define WM831X_LDO3_FLT_WIDTH 1 /* LDO3_FLT */
+#define WM831X_LDO3_SWI 0x0040 /* LDO3_SWI */
+#define WM831X_LDO3_SWI_MASK 0x0040 /* LDO3_SWI */
+#define WM831X_LDO3_SWI_SHIFT 6 /* LDO3_SWI */
+#define WM831X_LDO3_SWI_WIDTH 1 /* LDO3_SWI */
+#define WM831X_LDO3_LP_MODE 0x0001 /* LDO3_LP_MODE */
+#define WM831X_LDO3_LP_MODE_MASK 0x0001 /* LDO3_LP_MODE */
+#define WM831X_LDO3_LP_MODE_SHIFT 0 /* LDO3_LP_MODE */
+#define WM831X_LDO3_LP_MODE_WIDTH 1 /* LDO3_LP_MODE */
+
+/*
+ * R16495 (0x406F) - LDO3 ON Control
+ */
+#define WM831X_LDO3_ON_SLOT_MASK 0xE000 /* LDO3_ON_SLOT - [15:13] */
+#define WM831X_LDO3_ON_SLOT_SHIFT 13 /* LDO3_ON_SLOT - [15:13] */
+#define WM831X_LDO3_ON_SLOT_WIDTH 3 /* LDO3_ON_SLOT - [15:13] */
+#define WM831X_LDO3_ON_MODE 0x0100 /* LDO3_ON_MODE */
+#define WM831X_LDO3_ON_MODE_MASK 0x0100 /* LDO3_ON_MODE */
+#define WM831X_LDO3_ON_MODE_SHIFT 8 /* LDO3_ON_MODE */
+#define WM831X_LDO3_ON_MODE_WIDTH 1 /* LDO3_ON_MODE */
+#define WM831X_LDO3_ON_VSEL_MASK 0x001F /* LDO3_ON_VSEL - [4:0] */
+#define WM831X_LDO3_ON_VSEL_SHIFT 0 /* LDO3_ON_VSEL - [4:0] */
+#define WM831X_LDO3_ON_VSEL_WIDTH 5 /* LDO3_ON_VSEL - [4:0] */
+
+/*
+ * R16496 (0x4070) - LDO3 SLEEP Control
+ */
+#define WM831X_LDO3_SLP_SLOT_MASK 0xE000 /* LDO3_SLP_SLOT - [15:13] */
+#define WM831X_LDO3_SLP_SLOT_SHIFT 13 /* LDO3_SLP_SLOT - [15:13] */
+#define WM831X_LDO3_SLP_SLOT_WIDTH 3 /* LDO3_SLP_SLOT - [15:13] */
+#define WM831X_LDO3_SLP_MODE 0x0100 /* LDO3_SLP_MODE */
+#define WM831X_LDO3_SLP_MODE_MASK 0x0100 /* LDO3_SLP_MODE */
+#define WM831X_LDO3_SLP_MODE_SHIFT 8 /* LDO3_SLP_MODE */
+#define WM831X_LDO3_SLP_MODE_WIDTH 1 /* LDO3_SLP_MODE */
+#define WM831X_LDO3_SLP_VSEL_MASK 0x001F /* LDO3_SLP_VSEL - [4:0] */
+#define WM831X_LDO3_SLP_VSEL_SHIFT 0 /* LDO3_SLP_VSEL - [4:0] */
+#define WM831X_LDO3_SLP_VSEL_WIDTH 5 /* LDO3_SLP_VSEL - [4:0] */
+
+/*
+ * R16497 (0x4071) - LDO4 Control
+ */
+#define WM831X_LDO4_ERR_ACT_MASK 0xC000 /* LDO4_ERR_ACT - [15:14] */
+#define WM831X_LDO4_ERR_ACT_SHIFT 14 /* LDO4_ERR_ACT - [15:14] */
+#define WM831X_LDO4_ERR_ACT_WIDTH 2 /* LDO4_ERR_ACT - [15:14] */
+#define WM831X_LDO4_HWC_SRC_MASK 0x1800 /* LDO4_HWC_SRC - [12:11] */
+#define WM831X_LDO4_HWC_SRC_SHIFT 11 /* LDO4_HWC_SRC - [12:11] */
+#define WM831X_LDO4_HWC_SRC_WIDTH 2 /* LDO4_HWC_SRC - [12:11] */
+#define WM831X_LDO4_HWC_VSEL 0x0400 /* LDO4_HWC_VSEL */
+#define WM831X_LDO4_HWC_VSEL_MASK 0x0400 /* LDO4_HWC_VSEL */
+#define WM831X_LDO4_HWC_VSEL_SHIFT 10 /* LDO4_HWC_VSEL */
+#define WM831X_LDO4_HWC_VSEL_WIDTH 1 /* LDO4_HWC_VSEL */
+#define WM831X_LDO4_HWC_MODE_MASK 0x0300 /* LDO4_HWC_MODE - [9:8] */
+#define WM831X_LDO4_HWC_MODE_SHIFT 8 /* LDO4_HWC_MODE - [9:8] */
+#define WM831X_LDO4_HWC_MODE_WIDTH 2 /* LDO4_HWC_MODE - [9:8] */
+#define WM831X_LDO4_FLT 0x0080 /* LDO4_FLT */
+#define WM831X_LDO4_FLT_MASK 0x0080 /* LDO4_FLT */
+#define WM831X_LDO4_FLT_SHIFT 7 /* LDO4_FLT */
+#define WM831X_LDO4_FLT_WIDTH 1 /* LDO4_FLT */
+#define WM831X_LDO4_SWI 0x0040 /* LDO4_SWI */
+#define WM831X_LDO4_SWI_MASK 0x0040 /* LDO4_SWI */
+#define WM831X_LDO4_SWI_SHIFT 6 /* LDO4_SWI */
+#define WM831X_LDO4_SWI_WIDTH 1 /* LDO4_SWI */
+#define WM831X_LDO4_LP_MODE 0x0001 /* LDO4_LP_MODE */
+#define WM831X_LDO4_LP_MODE_MASK 0x0001 /* LDO4_LP_MODE */
+#define WM831X_LDO4_LP_MODE_SHIFT 0 /* LDO4_LP_MODE */
+#define WM831X_LDO4_LP_MODE_WIDTH 1 /* LDO4_LP_MODE */
+
+/*
+ * R16498 (0x4072) - LDO4 ON Control
+ */
+#define WM831X_LDO4_ON_SLOT_MASK 0xE000 /* LDO4_ON_SLOT - [15:13] */
+#define WM831X_LDO4_ON_SLOT_SHIFT 13 /* LDO4_ON_SLOT - [15:13] */
+#define WM831X_LDO4_ON_SLOT_WIDTH 3 /* LDO4_ON_SLOT - [15:13] */
+#define WM831X_LDO4_ON_MODE 0x0100 /* LDO4_ON_MODE */
+#define WM831X_LDO4_ON_MODE_MASK 0x0100 /* LDO4_ON_MODE */
+#define WM831X_LDO4_ON_MODE_SHIFT 8 /* LDO4_ON_MODE */
+#define WM831X_LDO4_ON_MODE_WIDTH 1 /* LDO4_ON_MODE */
+#define WM831X_LDO4_ON_VSEL_MASK 0x001F /* LDO4_ON_VSEL - [4:0] */
+#define WM831X_LDO4_ON_VSEL_SHIFT 0 /* LDO4_ON_VSEL - [4:0] */
+#define WM831X_LDO4_ON_VSEL_WIDTH 5 /* LDO4_ON_VSEL - [4:0] */
+
+/*
+ * R16499 (0x4073) - LDO4 SLEEP Control
+ */
+#define WM831X_LDO4_SLP_SLOT_MASK 0xE000 /* LDO4_SLP_SLOT - [15:13] */
+#define WM831X_LDO4_SLP_SLOT_SHIFT 13 /* LDO4_SLP_SLOT - [15:13] */
+#define WM831X_LDO4_SLP_SLOT_WIDTH 3 /* LDO4_SLP_SLOT - [15:13] */
+#define WM831X_LDO4_SLP_MODE 0x0100 /* LDO4_SLP_MODE */
+#define WM831X_LDO4_SLP_MODE_MASK 0x0100 /* LDO4_SLP_MODE */
+#define WM831X_LDO4_SLP_MODE_SHIFT 8 /* LDO4_SLP_MODE */
+#define WM831X_LDO4_SLP_MODE_WIDTH 1 /* LDO4_SLP_MODE */
+#define WM831X_LDO4_SLP_VSEL_MASK 0x001F /* LDO4_SLP_VSEL - [4:0] */
+#define WM831X_LDO4_SLP_VSEL_SHIFT 0 /* LDO4_SLP_VSEL - [4:0] */
+#define WM831X_LDO4_SLP_VSEL_WIDTH 5 /* LDO4_SLP_VSEL - [4:0] */
+
+/*
+ * R16500 (0x4074) - LDO5 Control
+ */
+#define WM831X_LDO5_ERR_ACT_MASK 0xC000 /* LDO5_ERR_ACT - [15:14] */
+#define WM831X_LDO5_ERR_ACT_SHIFT 14 /* LDO5_ERR_ACT - [15:14] */
+#define WM831X_LDO5_ERR_ACT_WIDTH 2 /* LDO5_ERR_ACT - [15:14] */
+#define WM831X_LDO5_HWC_SRC_MASK 0x1800 /* LDO5_HWC_SRC - [12:11] */
+#define WM831X_LDO5_HWC_SRC_SHIFT 11 /* LDO5_HWC_SRC - [12:11] */
+#define WM831X_LDO5_HWC_SRC_WIDTH 2 /* LDO5_HWC_SRC - [12:11] */
+#define WM831X_LDO5_HWC_VSEL 0x0400 /* LDO5_HWC_VSEL */
+#define WM831X_LDO5_HWC_VSEL_MASK 0x0400 /* LDO5_HWC_VSEL */
+#define WM831X_LDO5_HWC_VSEL_SHIFT 10 /* LDO5_HWC_VSEL */
+#define WM831X_LDO5_HWC_VSEL_WIDTH 1 /* LDO5_HWC_VSEL */
+#define WM831X_LDO5_HWC_MODE_MASK 0x0300 /* LDO5_HWC_MODE - [9:8] */
+#define WM831X_LDO5_HWC_MODE_SHIFT 8 /* LDO5_HWC_MODE - [9:8] */
+#define WM831X_LDO5_HWC_MODE_WIDTH 2 /* LDO5_HWC_MODE - [9:8] */
+#define WM831X_LDO5_FLT 0x0080 /* LDO5_FLT */
+#define WM831X_LDO5_FLT_MASK 0x0080 /* LDO5_FLT */
+#define WM831X_LDO5_FLT_SHIFT 7 /* LDO5_FLT */
+#define WM831X_LDO5_FLT_WIDTH 1 /* LDO5_FLT */
+#define WM831X_LDO5_SWI 0x0040 /* LDO5_SWI */
+#define WM831X_LDO5_SWI_MASK 0x0040 /* LDO5_SWI */
+#define WM831X_LDO5_SWI_SHIFT 6 /* LDO5_SWI */
+#define WM831X_LDO5_SWI_WIDTH 1 /* LDO5_SWI */
+#define WM831X_LDO5_LP_MODE 0x0001 /* LDO5_LP_MODE */
+#define WM831X_LDO5_LP_MODE_MASK 0x0001 /* LDO5_LP_MODE */
+#define WM831X_LDO5_LP_MODE_SHIFT 0 /* LDO5_LP_MODE */
+#define WM831X_LDO5_LP_MODE_WIDTH 1 /* LDO5_LP_MODE */
+
+/*
+ * R16501 (0x4075) - LDO5 ON Control
+ */
+#define WM831X_LDO5_ON_SLOT_MASK 0xE000 /* LDO5_ON_SLOT - [15:13] */
+#define WM831X_LDO5_ON_SLOT_SHIFT 13 /* LDO5_ON_SLOT - [15:13] */
+#define WM831X_LDO5_ON_SLOT_WIDTH 3 /* LDO5_ON_SLOT - [15:13] */
+#define WM831X_LDO5_ON_MODE 0x0100 /* LDO5_ON_MODE */
+#define WM831X_LDO5_ON_MODE_MASK 0x0100 /* LDO5_ON_MODE */
+#define WM831X_LDO5_ON_MODE_SHIFT 8 /* LDO5_ON_MODE */
+#define WM831X_LDO5_ON_MODE_WIDTH 1 /* LDO5_ON_MODE */
+#define WM831X_LDO5_ON_VSEL_MASK 0x001F /* LDO5_ON_VSEL - [4:0] */
+#define WM831X_LDO5_ON_VSEL_SHIFT 0 /* LDO5_ON_VSEL - [4:0] */
+#define WM831X_LDO5_ON_VSEL_WIDTH 5 /* LDO5_ON_VSEL - [4:0] */
+
+/*
+ * R16502 (0x4076) - LDO5 SLEEP Control
+ */
+#define WM831X_LDO5_SLP_SLOT_MASK 0xE000 /* LDO5_SLP_SLOT - [15:13] */
+#define WM831X_LDO5_SLP_SLOT_SHIFT 13 /* LDO5_SLP_SLOT - [15:13] */
+#define WM831X_LDO5_SLP_SLOT_WIDTH 3 /* LDO5_SLP_SLOT - [15:13] */
+#define WM831X_LDO5_SLP_MODE 0x0100 /* LDO5_SLP_MODE */
+#define WM831X_LDO5_SLP_MODE_MASK 0x0100 /* LDO5_SLP_MODE */
+#define WM831X_LDO5_SLP_MODE_SHIFT 8 /* LDO5_SLP_MODE */
+#define WM831X_LDO5_SLP_MODE_WIDTH 1 /* LDO5_SLP_MODE */
+#define WM831X_LDO5_SLP_VSEL_MASK 0x001F /* LDO5_SLP_VSEL - [4:0] */
+#define WM831X_LDO5_SLP_VSEL_SHIFT 0 /* LDO5_SLP_VSEL - [4:0] */
+#define WM831X_LDO5_SLP_VSEL_WIDTH 5 /* LDO5_SLP_VSEL - [4:0] */
+
+/*
+ * R16503 (0x4077) - LDO6 Control
+ */
+#define WM831X_LDO6_ERR_ACT_MASK 0xC000 /* LDO6_ERR_ACT - [15:14] */
+#define WM831X_LDO6_ERR_ACT_SHIFT 14 /* LDO6_ERR_ACT - [15:14] */
+#define WM831X_LDO6_ERR_ACT_WIDTH 2 /* LDO6_ERR_ACT - [15:14] */
+#define WM831X_LDO6_HWC_SRC_MASK 0x1800 /* LDO6_HWC_SRC - [12:11] */
+#define WM831X_LDO6_HWC_SRC_SHIFT 11 /* LDO6_HWC_SRC - [12:11] */
+#define WM831X_LDO6_HWC_SRC_WIDTH 2 /* LDO6_HWC_SRC - [12:11] */
+#define WM831X_LDO6_HWC_VSEL 0x0400 /* LDO6_HWC_VSEL */
+#define WM831X_LDO6_HWC_VSEL_MASK 0x0400 /* LDO6_HWC_VSEL */
+#define WM831X_LDO6_HWC_VSEL_SHIFT 10 /* LDO6_HWC_VSEL */
+#define WM831X_LDO6_HWC_VSEL_WIDTH 1 /* LDO6_HWC_VSEL */
+#define WM831X_LDO6_HWC_MODE_MASK 0x0300 /* LDO6_HWC_MODE - [9:8] */
+#define WM831X_LDO6_HWC_MODE_SHIFT 8 /* LDO6_HWC_MODE - [9:8] */
+#define WM831X_LDO6_HWC_MODE_WIDTH 2 /* LDO6_HWC_MODE - [9:8] */
+#define WM831X_LDO6_FLT 0x0080 /* LDO6_FLT */
+#define WM831X_LDO6_FLT_MASK 0x0080 /* LDO6_FLT */
+#define WM831X_LDO6_FLT_SHIFT 7 /* LDO6_FLT */
+#define WM831X_LDO6_FLT_WIDTH 1 /* LDO6_FLT */
+#define WM831X_LDO6_SWI 0x0040 /* LDO6_SWI */
+#define WM831X_LDO6_SWI_MASK 0x0040 /* LDO6_SWI */
+#define WM831X_LDO6_SWI_SHIFT 6 /* LDO6_SWI */
+#define WM831X_LDO6_SWI_WIDTH 1 /* LDO6_SWI */
+#define WM831X_LDO6_LP_MODE 0x0001 /* LDO6_LP_MODE */
+#define WM831X_LDO6_LP_MODE_MASK 0x0001 /* LDO6_LP_MODE */
+#define WM831X_LDO6_LP_MODE_SHIFT 0 /* LDO6_LP_MODE */
+#define WM831X_LDO6_LP_MODE_WIDTH 1 /* LDO6_LP_MODE */
+
+/*
+ * R16504 (0x4078) - LDO6 ON Control
+ */
+#define WM831X_LDO6_ON_SLOT_MASK 0xE000 /* LDO6_ON_SLOT - [15:13] */
+#define WM831X_LDO6_ON_SLOT_SHIFT 13 /* LDO6_ON_SLOT - [15:13] */
+#define WM831X_LDO6_ON_SLOT_WIDTH 3 /* LDO6_ON_SLOT - [15:13] */
+#define WM831X_LDO6_ON_MODE 0x0100 /* LDO6_ON_MODE */
+#define WM831X_LDO6_ON_MODE_MASK 0x0100 /* LDO6_ON_MODE */
+#define WM831X_LDO6_ON_MODE_SHIFT 8 /* LDO6_ON_MODE */
+#define WM831X_LDO6_ON_MODE_WIDTH 1 /* LDO6_ON_MODE */
+#define WM831X_LDO6_ON_VSEL_MASK 0x001F /* LDO6_ON_VSEL - [4:0] */
+#define WM831X_LDO6_ON_VSEL_SHIFT 0 /* LDO6_ON_VSEL - [4:0] */
+#define WM831X_LDO6_ON_VSEL_WIDTH 5 /* LDO6_ON_VSEL - [4:0] */
+
+/*
+ * R16505 (0x4079) - LDO6 SLEEP Control
+ */
+#define WM831X_LDO6_SLP_SLOT_MASK 0xE000 /* LDO6_SLP_SLOT - [15:13] */
+#define WM831X_LDO6_SLP_SLOT_SHIFT 13 /* LDO6_SLP_SLOT - [15:13] */
+#define WM831X_LDO6_SLP_SLOT_WIDTH 3 /* LDO6_SLP_SLOT - [15:13] */
+#define WM831X_LDO6_SLP_MODE 0x0100 /* LDO6_SLP_MODE */
+#define WM831X_LDO6_SLP_MODE_MASK 0x0100 /* LDO6_SLP_MODE */
+#define WM831X_LDO6_SLP_MODE_SHIFT 8 /* LDO6_SLP_MODE */
+#define WM831X_LDO6_SLP_MODE_WIDTH 1 /* LDO6_SLP_MODE */
+#define WM831X_LDO6_SLP_VSEL_MASK 0x001F /* LDO6_SLP_VSEL - [4:0] */
+#define WM831X_LDO6_SLP_VSEL_SHIFT 0 /* LDO6_SLP_VSEL - [4:0] */
+#define WM831X_LDO6_SLP_VSEL_WIDTH 5 /* LDO6_SLP_VSEL - [4:0] */
+
+/*
+ * R16506 (0x407A) - LDO7 Control
+ */
+#define WM831X_LDO7_ERR_ACT_MASK 0xC000 /* LDO7_ERR_ACT - [15:14] */
+#define WM831X_LDO7_ERR_ACT_SHIFT 14 /* LDO7_ERR_ACT - [15:14] */
+#define WM831X_LDO7_ERR_ACT_WIDTH 2 /* LDO7_ERR_ACT - [15:14] */
+#define WM831X_LDO7_HWC_SRC_MASK 0x1800 /* LDO7_HWC_SRC - [12:11] */
+#define WM831X_LDO7_HWC_SRC_SHIFT 11 /* LDO7_HWC_SRC - [12:11] */
+#define WM831X_LDO7_HWC_SRC_WIDTH 2 /* LDO7_HWC_SRC - [12:11] */
+#define WM831X_LDO7_HWC_VSEL 0x0400 /* LDO7_HWC_VSEL */
+#define WM831X_LDO7_HWC_VSEL_MASK 0x0400 /* LDO7_HWC_VSEL */
+#define WM831X_LDO7_HWC_VSEL_SHIFT 10 /* LDO7_HWC_VSEL */
+#define WM831X_LDO7_HWC_VSEL_WIDTH 1 /* LDO7_HWC_VSEL */
+#define WM831X_LDO7_HWC_MODE_MASK 0x0300 /* LDO7_HWC_MODE - [9:8] */
+#define WM831X_LDO7_HWC_MODE_SHIFT 8 /* LDO7_HWC_MODE - [9:8] */
+#define WM831X_LDO7_HWC_MODE_WIDTH 2 /* LDO7_HWC_MODE - [9:8] */
+#define WM831X_LDO7_FLT 0x0080 /* LDO7_FLT */
+#define WM831X_LDO7_FLT_MASK 0x0080 /* LDO7_FLT */
+#define WM831X_LDO7_FLT_SHIFT 7 /* LDO7_FLT */
+#define WM831X_LDO7_FLT_WIDTH 1 /* LDO7_FLT */
+#define WM831X_LDO7_SWI 0x0040 /* LDO7_SWI */
+#define WM831X_LDO7_SWI_MASK 0x0040 /* LDO7_SWI */
+#define WM831X_LDO7_SWI_SHIFT 6 /* LDO7_SWI */
+#define WM831X_LDO7_SWI_WIDTH 1 /* LDO7_SWI */
+
+/*
+ * R16507 (0x407B) - LDO7 ON Control
+ */
+#define WM831X_LDO7_ON_SLOT_MASK 0xE000 /* LDO7_ON_SLOT - [15:13] */
+#define WM831X_LDO7_ON_SLOT_SHIFT 13 /* LDO7_ON_SLOT - [15:13] */
+#define WM831X_LDO7_ON_SLOT_WIDTH 3 /* LDO7_ON_SLOT - [15:13] */
+#define WM831X_LDO7_ON_MODE 0x0100 /* LDO7_ON_MODE */
+#define WM831X_LDO7_ON_MODE_MASK 0x0100 /* LDO7_ON_MODE */
+#define WM831X_LDO7_ON_MODE_SHIFT 8 /* LDO7_ON_MODE */
+#define WM831X_LDO7_ON_MODE_WIDTH 1 /* LDO7_ON_MODE */
+#define WM831X_LDO7_ON_VSEL_MASK 0x001F /* LDO7_ON_VSEL - [4:0] */
+#define WM831X_LDO7_ON_VSEL_SHIFT 0 /* LDO7_ON_VSEL - [4:0] */
+#define WM831X_LDO7_ON_VSEL_WIDTH 5 /* LDO7_ON_VSEL - [4:0] */
+
+/*
+ * R16508 (0x407C) - LDO7 SLEEP Control
+ */
+#define WM831X_LDO7_SLP_SLOT_MASK 0xE000 /* LDO7_SLP_SLOT - [15:13] */
+#define WM831X_LDO7_SLP_SLOT_SHIFT 13 /* LDO7_SLP_SLOT - [15:13] */
+#define WM831X_LDO7_SLP_SLOT_WIDTH 3 /* LDO7_SLP_SLOT - [15:13] */
+#define WM831X_LDO7_SLP_MODE 0x0100 /* LDO7_SLP_MODE */
+#define WM831X_LDO7_SLP_MODE_MASK 0x0100 /* LDO7_SLP_MODE */
+#define WM831X_LDO7_SLP_MODE_SHIFT 8 /* LDO7_SLP_MODE */
+#define WM831X_LDO7_SLP_MODE_WIDTH 1 /* LDO7_SLP_MODE */
+#define WM831X_LDO7_SLP_VSEL_MASK 0x001F /* LDO7_SLP_VSEL - [4:0] */
+#define WM831X_LDO7_SLP_VSEL_SHIFT 0 /* LDO7_SLP_VSEL - [4:0] */
+#define WM831X_LDO7_SLP_VSEL_WIDTH 5 /* LDO7_SLP_VSEL - [4:0] */
+
+/*
+ * R16509 (0x407D) - LDO8 Control
+ */
+#define WM831X_LDO8_ERR_ACT_MASK 0xC000 /* LDO8_ERR_ACT - [15:14] */
+#define WM831X_LDO8_ERR_ACT_SHIFT 14 /* LDO8_ERR_ACT - [15:14] */
+#define WM831X_LDO8_ERR_ACT_WIDTH 2 /* LDO8_ERR_ACT - [15:14] */
+#define WM831X_LDO8_HWC_SRC_MASK 0x1800 /* LDO8_HWC_SRC - [12:11] */
+#define WM831X_LDO8_HWC_SRC_SHIFT 11 /* LDO8_HWC_SRC - [12:11] */
+#define WM831X_LDO8_HWC_SRC_WIDTH 2 /* LDO8_HWC_SRC - [12:11] */
+#define WM831X_LDO8_HWC_VSEL 0x0400 /* LDO8_HWC_VSEL */
+#define WM831X_LDO8_HWC_VSEL_MASK 0x0400 /* LDO8_HWC_VSEL */
+#define WM831X_LDO8_HWC_VSEL_SHIFT 10 /* LDO8_HWC_VSEL */
+#define WM831X_LDO8_HWC_VSEL_WIDTH 1 /* LDO8_HWC_VSEL */
+#define WM831X_LDO8_HWC_MODE_MASK 0x0300 /* LDO8_HWC_MODE - [9:8] */
+#define WM831X_LDO8_HWC_MODE_SHIFT 8 /* LDO8_HWC_MODE - [9:8] */
+#define WM831X_LDO8_HWC_MODE_WIDTH 2 /* LDO8_HWC_MODE - [9:8] */
+#define WM831X_LDO8_FLT 0x0080 /* LDO8_FLT */
+#define WM831X_LDO8_FLT_MASK 0x0080 /* LDO8_FLT */
+#define WM831X_LDO8_FLT_SHIFT 7 /* LDO8_FLT */
+#define WM831X_LDO8_FLT_WIDTH 1 /* LDO8_FLT */
+#define WM831X_LDO8_SWI 0x0040 /* LDO8_SWI */
+#define WM831X_LDO8_SWI_MASK 0x0040 /* LDO8_SWI */
+#define WM831X_LDO8_SWI_SHIFT 6 /* LDO8_SWI */
+#define WM831X_LDO8_SWI_WIDTH 1 /* LDO8_SWI */
+
+/*
+ * R16510 (0x407E) - LDO8 ON Control
+ */
+#define WM831X_LDO8_ON_SLOT_MASK 0xE000 /* LDO8_ON_SLOT - [15:13] */
+#define WM831X_LDO8_ON_SLOT_SHIFT 13 /* LDO8_ON_SLOT - [15:13] */
+#define WM831X_LDO8_ON_SLOT_WIDTH 3 /* LDO8_ON_SLOT - [15:13] */
+#define WM831X_LDO8_ON_MODE 0x0100 /* LDO8_ON_MODE */
+#define WM831X_LDO8_ON_MODE_MASK 0x0100 /* LDO8_ON_MODE */
+#define WM831X_LDO8_ON_MODE_SHIFT 8 /* LDO8_ON_MODE */
+#define WM831X_LDO8_ON_MODE_WIDTH 1 /* LDO8_ON_MODE */
+#define WM831X_LDO8_ON_VSEL_MASK 0x001F /* LDO8_ON_VSEL - [4:0] */
+#define WM831X_LDO8_ON_VSEL_SHIFT 0 /* LDO8_ON_VSEL - [4:0] */
+#define WM831X_LDO8_ON_VSEL_WIDTH 5 /* LDO8_ON_VSEL - [4:0] */
+
+/*
+ * R16511 (0x407F) - LDO8 SLEEP Control
+ */
+#define WM831X_LDO8_SLP_SLOT_MASK 0xE000 /* LDO8_SLP_SLOT - [15:13] */
+#define WM831X_LDO8_SLP_SLOT_SHIFT 13 /* LDO8_SLP_SLOT - [15:13] */
+#define WM831X_LDO8_SLP_SLOT_WIDTH 3 /* LDO8_SLP_SLOT - [15:13] */
+#define WM831X_LDO8_SLP_MODE 0x0100 /* LDO8_SLP_MODE */
+#define WM831X_LDO8_SLP_MODE_MASK 0x0100 /* LDO8_SLP_MODE */
+#define WM831X_LDO8_SLP_MODE_SHIFT 8 /* LDO8_SLP_MODE */
+#define WM831X_LDO8_SLP_MODE_WIDTH 1 /* LDO8_SLP_MODE */
+#define WM831X_LDO8_SLP_VSEL_MASK 0x001F /* LDO8_SLP_VSEL - [4:0] */
+#define WM831X_LDO8_SLP_VSEL_SHIFT 0 /* LDO8_SLP_VSEL - [4:0] */
+#define WM831X_LDO8_SLP_VSEL_WIDTH 5 /* LDO8_SLP_VSEL - [4:0] */
+
+/*
+ * R16512 (0x4080) - LDO9 Control
+ */
+#define WM831X_LDO9_ERR_ACT_MASK 0xC000 /* LDO9_ERR_ACT - [15:14] */
+#define WM831X_LDO9_ERR_ACT_SHIFT 14 /* LDO9_ERR_ACT - [15:14] */
+#define WM831X_LDO9_ERR_ACT_WIDTH 2 /* LDO9_ERR_ACT - [15:14] */
+#define WM831X_LDO9_HWC_SRC_MASK 0x1800 /* LDO9_HWC_SRC - [12:11] */
+#define WM831X_LDO9_HWC_SRC_SHIFT 11 /* LDO9_HWC_SRC - [12:11] */
+#define WM831X_LDO9_HWC_SRC_WIDTH 2 /* LDO9_HWC_SRC - [12:11] */
+#define WM831X_LDO9_HWC_VSEL 0x0400 /* LDO9_HWC_VSEL */
+#define WM831X_LDO9_HWC_VSEL_MASK 0x0400 /* LDO9_HWC_VSEL */
+#define WM831X_LDO9_HWC_VSEL_SHIFT 10 /* LDO9_HWC_VSEL */
+#define WM831X_LDO9_HWC_VSEL_WIDTH 1 /* LDO9_HWC_VSEL */
+#define WM831X_LDO9_HWC_MODE_MASK 0x0300 /* LDO9_HWC_MODE - [9:8] */
+#define WM831X_LDO9_HWC_MODE_SHIFT 8 /* LDO9_HWC_MODE - [9:8] */
+#define WM831X_LDO9_HWC_MODE_WIDTH 2 /* LDO9_HWC_MODE - [9:8] */
+#define WM831X_LDO9_FLT 0x0080 /* LDO9_FLT */
+#define WM831X_LDO9_FLT_MASK 0x0080 /* LDO9_FLT */
+#define WM831X_LDO9_FLT_SHIFT 7 /* LDO9_FLT */
+#define WM831X_LDO9_FLT_WIDTH 1 /* LDO9_FLT */
+#define WM831X_LDO9_SWI 0x0040 /* LDO9_SWI */
+#define WM831X_LDO9_SWI_MASK 0x0040 /* LDO9_SWI */
+#define WM831X_LDO9_SWI_SHIFT 6 /* LDO9_SWI */
+#define WM831X_LDO9_SWI_WIDTH 1 /* LDO9_SWI */
+
+/*
+ * R16513 (0x4081) - LDO9 ON Control
+ */
+#define WM831X_LDO9_ON_SLOT_MASK 0xE000 /* LDO9_ON_SLOT - [15:13] */
+#define WM831X_LDO9_ON_SLOT_SHIFT 13 /* LDO9_ON_SLOT - [15:13] */
+#define WM831X_LDO9_ON_SLOT_WIDTH 3 /* LDO9_ON_SLOT - [15:13] */
+#define WM831X_LDO9_ON_MODE 0x0100 /* LDO9_ON_MODE */
+#define WM831X_LDO9_ON_MODE_MASK 0x0100 /* LDO9_ON_MODE */
+#define WM831X_LDO9_ON_MODE_SHIFT 8 /* LDO9_ON_MODE */
+#define WM831X_LDO9_ON_MODE_WIDTH 1 /* LDO9_ON_MODE */
+#define WM831X_LDO9_ON_VSEL_MASK 0x001F /* LDO9_ON_VSEL - [4:0] */
+#define WM831X_LDO9_ON_VSEL_SHIFT 0 /* LDO9_ON_VSEL - [4:0] */
+#define WM831X_LDO9_ON_VSEL_WIDTH 5 /* LDO9_ON_VSEL - [4:0] */
+
+/*
+ * R16514 (0x4082) - LDO9 SLEEP Control
+ */
+#define WM831X_LDO9_SLP_SLOT_MASK 0xE000 /* LDO9_SLP_SLOT - [15:13] */
+#define WM831X_LDO9_SLP_SLOT_SHIFT 13 /* LDO9_SLP_SLOT - [15:13] */
+#define WM831X_LDO9_SLP_SLOT_WIDTH 3 /* LDO9_SLP_SLOT - [15:13] */
+#define WM831X_LDO9_SLP_MODE 0x0100 /* LDO9_SLP_MODE */
+#define WM831X_LDO9_SLP_MODE_MASK 0x0100 /* LDO9_SLP_MODE */
+#define WM831X_LDO9_SLP_MODE_SHIFT 8 /* LDO9_SLP_MODE */
+#define WM831X_LDO9_SLP_MODE_WIDTH 1 /* LDO9_SLP_MODE */
+#define WM831X_LDO9_SLP_VSEL_MASK 0x001F /* LDO9_SLP_VSEL - [4:0] */
+#define WM831X_LDO9_SLP_VSEL_SHIFT 0 /* LDO9_SLP_VSEL - [4:0] */
+#define WM831X_LDO9_SLP_VSEL_WIDTH 5 /* LDO9_SLP_VSEL - [4:0] */
+
+/*
+ * R16515 (0x4083) - LDO10 Control
+ */
+#define WM831X_LDO10_ERR_ACT_MASK 0xC000 /* LDO10_ERR_ACT - [15:14] */
+#define WM831X_LDO10_ERR_ACT_SHIFT 14 /* LDO10_ERR_ACT - [15:14] */
+#define WM831X_LDO10_ERR_ACT_WIDTH 2 /* LDO10_ERR_ACT - [15:14] */
+#define WM831X_LDO10_HWC_SRC_MASK 0x1800 /* LDO10_HWC_SRC - [12:11] */
+#define WM831X_LDO10_HWC_SRC_SHIFT 11 /* LDO10_HWC_SRC - [12:11] */
+#define WM831X_LDO10_HWC_SRC_WIDTH 2 /* LDO10_HWC_SRC - [12:11] */
+#define WM831X_LDO10_HWC_VSEL 0x0400 /* LDO10_HWC_VSEL */
+#define WM831X_LDO10_HWC_VSEL_MASK 0x0400 /* LDO10_HWC_VSEL */
+#define WM831X_LDO10_HWC_VSEL_SHIFT 10 /* LDO10_HWC_VSEL */
+#define WM831X_LDO10_HWC_VSEL_WIDTH 1 /* LDO10_HWC_VSEL */
+#define WM831X_LDO10_HWC_MODE_MASK 0x0300 /* LDO10_HWC_MODE - [9:8] */
+#define WM831X_LDO10_HWC_MODE_SHIFT 8 /* LDO10_HWC_MODE - [9:8] */
+#define WM831X_LDO10_HWC_MODE_WIDTH 2 /* LDO10_HWC_MODE - [9:8] */
+#define WM831X_LDO10_FLT 0x0080 /* LDO10_FLT */
+#define WM831X_LDO10_FLT_MASK 0x0080 /* LDO10_FLT */
+#define WM831X_LDO10_FLT_SHIFT 7 /* LDO10_FLT */
+#define WM831X_LDO10_FLT_WIDTH 1 /* LDO10_FLT */
+#define WM831X_LDO10_SWI 0x0040 /* LDO10_SWI */
+#define WM831X_LDO10_SWI_MASK 0x0040 /* LDO10_SWI */
+#define WM831X_LDO10_SWI_SHIFT 6 /* LDO10_SWI */
+#define WM831X_LDO10_SWI_WIDTH 1 /* LDO10_SWI */
+
+/*
+ * R16516 (0x4084) - LDO10 ON Control
+ */
+#define WM831X_LDO10_ON_SLOT_MASK 0xE000 /* LDO10_ON_SLOT - [15:13] */
+#define WM831X_LDO10_ON_SLOT_SHIFT 13 /* LDO10_ON_SLOT - [15:13] */
+#define WM831X_LDO10_ON_SLOT_WIDTH 3 /* LDO10_ON_SLOT - [15:13] */
+#define WM831X_LDO10_ON_MODE 0x0100 /* LDO10_ON_MODE */
+#define WM831X_LDO10_ON_MODE_MASK 0x0100 /* LDO10_ON_MODE */
+#define WM831X_LDO10_ON_MODE_SHIFT 8 /* LDO10_ON_MODE */
+#define WM831X_LDO10_ON_MODE_WIDTH 1 /* LDO10_ON_MODE */
+#define WM831X_LDO10_ON_VSEL_MASK 0x001F /* LDO10_ON_VSEL - [4:0] */
+#define WM831X_LDO10_ON_VSEL_SHIFT 0 /* LDO10_ON_VSEL - [4:0] */
+#define WM831X_LDO10_ON_VSEL_WIDTH 5 /* LDO10_ON_VSEL - [4:0] */
+
+/*
+ * R16517 (0x4085) - LDO10 SLEEP Control
+ */
+#define WM831X_LDO10_SLP_SLOT_MASK 0xE000 /* LDO10_SLP_SLOT - [15:13] */
+#define WM831X_LDO10_SLP_SLOT_SHIFT 13 /* LDO10_SLP_SLOT - [15:13] */
+#define WM831X_LDO10_SLP_SLOT_WIDTH 3 /* LDO10_SLP_SLOT - [15:13] */
+#define WM831X_LDO10_SLP_MODE 0x0100 /* LDO10_SLP_MODE */
+#define WM831X_LDO10_SLP_MODE_MASK 0x0100 /* LDO10_SLP_MODE */
+#define WM831X_LDO10_SLP_MODE_SHIFT 8 /* LDO10_SLP_MODE */
+#define WM831X_LDO10_SLP_MODE_WIDTH 1 /* LDO10_SLP_MODE */
+#define WM831X_LDO10_SLP_VSEL_MASK 0x001F /* LDO10_SLP_VSEL - [4:0] */
+#define WM831X_LDO10_SLP_VSEL_SHIFT 0 /* LDO10_SLP_VSEL - [4:0] */
+#define WM831X_LDO10_SLP_VSEL_WIDTH 5 /* LDO10_SLP_VSEL - [4:0] */
+
+/*
+ * R16519 (0x4087) - LDO11 ON Control
+ */
+#define WM831X_LDO11_ON_SLOT_MASK 0xE000 /* LDO11_ON_SLOT - [15:13] */
+#define WM831X_LDO11_ON_SLOT_SHIFT 13 /* LDO11_ON_SLOT - [15:13] */
+#define WM831X_LDO11_ON_SLOT_WIDTH 3 /* LDO11_ON_SLOT - [15:13] */
+#define WM831X_LDO11_OFFENA 0x1000 /* LDO11_OFFENA */
+#define WM831X_LDO11_OFFENA_MASK 0x1000 /* LDO11_OFFENA */
+#define WM831X_LDO11_OFFENA_SHIFT 12 /* LDO11_OFFENA */
+#define WM831X_LDO11_OFFENA_WIDTH 1 /* LDO11_OFFENA */
+#define WM831X_LDO11_VSEL_SRC 0x0080 /* LDO11_VSEL_SRC */
+#define WM831X_LDO11_VSEL_SRC_MASK 0x0080 /* LDO11_VSEL_SRC */
+#define WM831X_LDO11_VSEL_SRC_SHIFT 7 /* LDO11_VSEL_SRC */
+#define WM831X_LDO11_VSEL_SRC_WIDTH 1 /* LDO11_VSEL_SRC */
+#define WM831X_LDO11_ON_VSEL_MASK 0x000F /* LDO11_ON_VSEL - [3:0] */
+#define WM831X_LDO11_ON_VSEL_SHIFT 0 /* LDO11_ON_VSEL - [3:0] */
+#define WM831X_LDO11_ON_VSEL_WIDTH 4 /* LDO11_ON_VSEL - [3:0] */
+
+/*
+ * R16520 (0x4088) - LDO11 SLEEP Control
+ */
+#define WM831X_LDO11_SLP_SLOT_MASK 0xE000 /* LDO11_SLP_SLOT - [15:13] */
+#define WM831X_LDO11_SLP_SLOT_SHIFT 13 /* LDO11_SLP_SLOT - [15:13] */
+#define WM831X_LDO11_SLP_SLOT_WIDTH 3 /* LDO11_SLP_SLOT - [15:13] */
+#define WM831X_LDO11_SLP_VSEL_MASK 0x000F /* LDO11_SLP_VSEL - [3:0] */
+#define WM831X_LDO11_SLP_VSEL_SHIFT 0 /* LDO11_SLP_VSEL - [3:0] */
+#define WM831X_LDO11_SLP_VSEL_WIDTH 4 /* LDO11_SLP_VSEL - [3:0] */
+
/*
* R16526 (0x408E) - Power Good Source 1
*/
@@ -586,6 +1168,50 @@
#define WM831X_DC1_OK_SHIFT 0 /* DC1_OK */
#define WM831X_DC1_OK_WIDTH 1 /* DC1_OK */
+/*
+ * R16527 (0x408F) - Power Good Source 2
+ */
+#define WM831X_LDO10_OK 0x0200 /* LDO10_OK */
+#define WM831X_LDO10_OK_MASK 0x0200 /* LDO10_OK */
+#define WM831X_LDO10_OK_SHIFT 9 /* LDO10_OK */
+#define WM831X_LDO10_OK_WIDTH 1 /* LDO10_OK */
+#define WM831X_LDO9_OK 0x0100 /* LDO9_OK */
+#define WM831X_LDO9_OK_MASK 0x0100 /* LDO9_OK */
+#define WM831X_LDO9_OK_SHIFT 8 /* LDO9_OK */
+#define WM831X_LDO9_OK_WIDTH 1 /* LDO9_OK */
+#define WM831X_LDO8_OK 0x0080 /* LDO8_OK */
+#define WM831X_LDO8_OK_MASK 0x0080 /* LDO8_OK */
+#define WM831X_LDO8_OK_SHIFT 7 /* LDO8_OK */
+#define WM831X_LDO8_OK_WIDTH 1 /* LDO8_OK */
+#define WM831X_LDO7_OK 0x0040 /* LDO7_OK */
+#define WM831X_LDO7_OK_MASK 0x0040 /* LDO7_OK */
+#define WM831X_LDO7_OK_SHIFT 6 /* LDO7_OK */
+#define WM831X_LDO7_OK_WIDTH 1 /* LDO7_OK */
+#define WM831X_LDO6_OK 0x0020 /* LDO6_OK */
+#define WM831X_LDO6_OK_MASK 0x0020 /* LDO6_OK */
+#define WM831X_LDO6_OK_SHIFT 5 /* LDO6_OK */
+#define WM831X_LDO6_OK_WIDTH 1 /* LDO6_OK */
+#define WM831X_LDO5_OK 0x0010 /* LDO5_OK */
+#define WM831X_LDO5_OK_MASK 0x0010 /* LDO5_OK */
+#define WM831X_LDO5_OK_SHIFT 4 /* LDO5_OK */
+#define WM831X_LDO5_OK_WIDTH 1 /* LDO5_OK */
+#define WM831X_LDO4_OK 0x0008 /* LDO4_OK */
+#define WM831X_LDO4_OK_MASK 0x0008 /* LDO4_OK */
+#define WM831X_LDO4_OK_SHIFT 3 /* LDO4_OK */
+#define WM831X_LDO4_OK_WIDTH 1 /* LDO4_OK */
+#define WM831X_LDO3_OK 0x0004 /* LDO3_OK */
+#define WM831X_LDO3_OK_MASK 0x0004 /* LDO3_OK */
+#define WM831X_LDO3_OK_SHIFT 2 /* LDO3_OK */
+#define WM831X_LDO3_OK_WIDTH 1 /* LDO3_OK */
+#define WM831X_LDO2_OK 0x0002 /* LDO2_OK */
+#define WM831X_LDO2_OK_MASK 0x0002 /* LDO2_OK */
+#define WM831X_LDO2_OK_SHIFT 1 /* LDO2_OK */
+#define WM831X_LDO2_OK_WIDTH 1 /* LDO2_OK */
+#define WM831X_LDO1_OK 0x0001 /* LDO1_OK */
+#define WM831X_LDO1_OK_MASK 0x0001 /* LDO1_OK */
+#define WM831X_LDO1_OK_SHIFT 0 /* LDO1_OK */
+#define WM831X_LDO1_OK_WIDTH 1 /* LDO1_OK */
+
#define WM831X_ISINK_MAX_ISEL 56
extern int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL];
--
GitLab
From 8267a9ba8299e1e70d54c7666da6aada637de4fc Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 28 Jul 2009 15:22:23 +0100
Subject: [PATCH 599/742] regulator: Add WM831x EPE support
The WM831x series of PMICs provide two optional outputs for
controlling external devices during power sequencing, for example
an external regulator. While in essence these are GPIOs the
hardware presents them as DCDCs with very little control so
provide support via the regulator API in that fashion.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/wm831x-dcdc.c | 88 +++++++++++++++++++++++++++++++++
1 file changed, 88 insertions(+)
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index fa5126e38acc..88a7dbac750a 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -613,6 +613,89 @@ static struct platform_driver wm831x_buckp_driver = {
},
};
+/*
+ * External Power Enable
+ *
+ * These aren't actually DCDCs but look like them in hardware so share
+ * code.
+ */
+
+#define WM831X_EPE_BASE 6
+
+static struct regulator_ops wm831x_epe_ops = {
+ .is_enabled = wm831x_dcdc_is_enabled,
+ .enable = wm831x_dcdc_enable,
+ .disable = wm831x_dcdc_disable,
+ .get_status = wm831x_dcdc_get_status,
+};
+
+static __devinit int wm831x_epe_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ int id = pdev->id % ARRAY_SIZE(pdata->epe);
+ struct wm831x_dcdc *dcdc;
+ int ret;
+
+ dev_dbg(&pdev->dev, "Probing EPE%d\n", id + 1);
+
+ if (pdata == NULL || pdata->epe[id] == NULL)
+ return -ENODEV;
+
+ dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ if (dcdc == NULL) {
+ dev_err(&pdev->dev, "Unable to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ dcdc->wm831x = wm831x;
+
+ /* For current parts this is correct; probably need to revisit
+ * in future.
+ */
+ snprintf(dcdc->name, sizeof(dcdc->name), "EPE%d", id + 1);
+ dcdc->desc.name = dcdc->name;
+ dcdc->desc.id = id + WM831X_EPE_BASE; /* Offset in DCDC registers */
+ dcdc->desc.ops = &wm831x_epe_ops;
+ dcdc->desc.type = REGULATOR_VOLTAGE;
+ dcdc->desc.owner = THIS_MODULE;
+
+ dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
+ pdata->epe[id], dcdc);
+ if (IS_ERR(dcdc->regulator)) {
+ ret = PTR_ERR(dcdc->regulator);
+ dev_err(wm831x->dev, "Failed to register EPE%d: %d\n",
+ id + 1, ret);
+ goto err;
+ }
+
+ platform_set_drvdata(pdev, dcdc);
+
+ return 0;
+
+err:
+ kfree(dcdc);
+ return ret;
+}
+
+static __devexit int wm831x_epe_remove(struct platform_device *pdev)
+{
+ struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
+
+ regulator_unregister(dcdc->regulator);
+ kfree(dcdc);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_epe_driver = {
+ .probe = wm831x_epe_probe,
+ .remove = __devexit_p(wm831x_epe_remove),
+ .driver = {
+ .name = "wm831x-epe",
+ },
+};
+
static int __init wm831x_dcdc_init(void)
{
int ret;
@@ -624,12 +707,17 @@ static int __init wm831x_dcdc_init(void)
if (ret != 0)
pr_err("Failed to register WM831x BUCKP driver: %d\n", ret);
+ ret = platform_driver_register(&wm831x_epe_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM831x EPE driver: %d\n", ret);
+
return 0;
}
subsys_initcall(wm831x_dcdc_init);
static void __exit wm831x_dcdc_exit(void)
{
+ platform_driver_unregister(&wm831x_epe_driver);
platform_driver_unregister(&wm831x_buckp_driver);
platform_driver_unregister(&wm831x_buckv_driver);
}
--
GitLab
From 1304850d4c5d2f915bdcb8d547f3ef26c60cc825 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 28 Jul 2009 15:23:16 +0100
Subject: [PATCH 600/742] regulator: Add WM831x DC-DC boost convertor support
The WM831x series of PMICs include a single DC-DC boost convertor.
This adds basic support for this convertor.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/wm831x-dcdc.c | 131 ++++++++++++++++++++++++++++++++
1 file changed, 131 insertions(+)
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 88a7dbac750a..2eefc1a0cf08 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -613,6 +613,132 @@ static struct platform_driver wm831x_buckp_driver = {
},
};
+/*
+ * DCDC boost convertors
+ */
+
+static int wm831x_boostp_get_status(struct regulator_dev *rdev)
+{
+ struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+ int ret;
+
+ /* First, check for errors */
+ ret = wm831x_reg_read(wm831x, WM831X_DCDC_UV_STATUS);
+ if (ret < 0)
+ return ret;
+
+ if (ret & (1 << rdev_get_id(rdev))) {
+ dev_dbg(wm831x->dev, "DCDC%d under voltage\n",
+ rdev_get_id(rdev) + 1);
+ return REGULATOR_STATUS_ERROR;
+ }
+
+ /* Is the regulator on? */
+ ret = wm831x_reg_read(wm831x, WM831X_DCDC_STATUS);
+ if (ret < 0)
+ return ret;
+ if (ret & (1 << rdev_get_id(rdev)))
+ return REGULATOR_STATUS_ON;
+ else
+ return REGULATOR_STATUS_OFF;
+}
+
+static struct regulator_ops wm831x_boostp_ops = {
+ .get_status = wm831x_boostp_get_status,
+
+ .is_enabled = wm831x_dcdc_is_enabled,
+ .enable = wm831x_dcdc_enable,
+ .disable = wm831x_dcdc_disable,
+};
+
+static __devinit int wm831x_boostp_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ int id = pdev->id % ARRAY_SIZE(pdata->dcdc);
+ struct wm831x_dcdc *dcdc;
+ struct resource *res;
+ int ret, irq;
+
+ dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
+
+ if (pdata == NULL || pdata->dcdc[id] == NULL)
+ return -ENODEV;
+
+ dcdc = kzalloc(sizeof(struct wm831x_dcdc), GFP_KERNEL);
+ if (dcdc == NULL) {
+ dev_err(&pdev->dev, "Unable to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ dcdc->wm831x = wm831x;
+
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "No I/O resource\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ dcdc->base = res->start;
+
+ snprintf(dcdc->name, sizeof(dcdc->name), "DCDC%d", id + 1);
+ dcdc->desc.name = dcdc->name;
+ dcdc->desc.id = id;
+ dcdc->desc.type = REGULATOR_VOLTAGE;
+ dcdc->desc.ops = &wm831x_boostp_ops;
+ dcdc->desc.owner = THIS_MODULE;
+
+ dcdc->regulator = regulator_register(&dcdc->desc, &pdev->dev,
+ pdata->dcdc[id], dcdc);
+ if (IS_ERR(dcdc->regulator)) {
+ ret = PTR_ERR(dcdc->regulator);
+ dev_err(wm831x->dev, "Failed to register DCDC%d: %d\n",
+ id + 1, ret);
+ goto err;
+ }
+
+ irq = platform_get_irq_byname(pdev, "UV");
+ ret = wm831x_request_irq(wm831x, irq, wm831x_dcdc_uv_irq,
+ IRQF_TRIGGER_RISING, dcdc->name,
+ dcdc);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
+ irq, ret);
+ goto err_regulator;
+ }
+
+ platform_set_drvdata(pdev, dcdc);
+
+ return 0;
+
+err_regulator:
+ regulator_unregister(dcdc->regulator);
+err:
+ kfree(dcdc);
+ return ret;
+}
+
+static __devexit int wm831x_boostp_remove(struct platform_device *pdev)
+{
+ struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
+ struct wm831x *wm831x = dcdc->wm831x;
+
+ wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
+ regulator_unregister(dcdc->regulator);
+ kfree(dcdc);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_boostp_driver = {
+ .probe = wm831x_boostp_probe,
+ .remove = __devexit_p(wm831x_boostp_remove),
+ .driver = {
+ .name = "wm831x-boostp",
+ },
+};
+
/*
* External Power Enable
*
@@ -707,6 +833,10 @@ static int __init wm831x_dcdc_init(void)
if (ret != 0)
pr_err("Failed to register WM831x BUCKP driver: %d\n", ret);
+ ret = platform_driver_register(&wm831x_boostp_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM831x BOOST driver: %d\n", ret);
+
ret = platform_driver_register(&wm831x_epe_driver);
if (ret != 0)
pr_err("Failed to register WM831x EPE driver: %d\n", ret);
@@ -718,6 +848,7 @@ subsys_initcall(wm831x_dcdc_init);
static void __exit wm831x_dcdc_exit(void)
{
platform_driver_unregister(&wm831x_epe_driver);
+ platform_driver_unregister(&wm831x_boostp_driver);
platform_driver_unregister(&wm831x_buckp_driver);
platform_driver_unregister(&wm831x_buckv_driver);
}
--
GitLab
From d4d6b722e780f005f0d4e43a43909fa51cc33a11 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 28 Jul 2009 15:23:46 +0100
Subject: [PATCH 601/742] regulator: Add WM831x ISINK support
The WM831x series of PMICs provide two constant current sinks
designed to drive strings of serially connected LEDs for applications
such as backlights. This driver adds support for those regulators.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/Makefile | 1 +
drivers/regulator/wm831x-isink.c | 260 +++++++++++++++++++++++++++++++
2 files changed, 261 insertions(+)
create mode 100644 drivers/regulator/wm831x-isink.c
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index a0a635fdae87..3a4cdf5f7935 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o
obj-$(CONFIG_REGULATOR_TWL4030) += twl4030-regulator.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
+obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o
obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c
new file mode 100644
index 000000000000..1d8d9879d3a1
--- /dev/null
+++ b/drivers/regulator/wm831x-isink.c
@@ -0,0 +1,260 @@
+/*
+ * wm831x-isink.c -- Current sink driver for the WM831x series
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/bitops.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/regulator.h>
+#include <linux/mfd/wm831x/pdata.h>
+
+#define WM831X_ISINK_MAX_NAME 7
+
+struct wm831x_isink {
+ char name[WM831X_ISINK_MAX_NAME];
+ struct regulator_desc desc;
+ int reg;
+ struct wm831x *wm831x;
+ struct regulator_dev *regulator;
+};
+
+static int wm831x_isink_enable(struct regulator_dev *rdev)
+{
+ struct wm831x_isink *isink = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = isink->wm831x;
+ int ret;
+
+ /* We have a two stage enable: first start the ISINK... */
+ ret = wm831x_set_bits(wm831x, isink->reg, WM831X_CS1_ENA,
+ WM831X_CS1_ENA);
+ if (ret != 0)
+ return ret;
+
+ /* ...then enable drive */
+ ret = wm831x_set_bits(wm831x, isink->reg, WM831X_CS1_DRIVE,
+ WM831X_CS1_DRIVE);
+ if (ret != 0)
+ wm831x_set_bits(wm831x, isink->reg, WM831X_CS1_ENA, 0);
+
+ return ret;
+
+}
+
+static int wm831x_isink_disable(struct regulator_dev *rdev)
+{
+ struct wm831x_isink *isink = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = isink->wm831x;
+ int ret;
+
+ ret = wm831x_set_bits(wm831x, isink->reg, WM831X_CS1_DRIVE, 0);
+ if (ret < 0)
+ return ret;
+
+ ret = wm831x_set_bits(wm831x, isink->reg, WM831X_CS1_ENA, 0);
+ if (ret < 0)
+ return ret;
+
+ return ret;
+
+}
+
+static int wm831x_isink_is_enabled(struct regulator_dev *rdev)
+{
+ struct wm831x_isink *isink = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = isink->wm831x;
+ int ret;
+
+ ret = wm831x_reg_read(wm831x, isink->reg);
+ if (ret < 0)
+ return ret;
+
+ if ((ret & (WM831X_CS1_ENA | WM831X_CS1_DRIVE)) ==
+ (WM831X_CS1_ENA | WM831X_CS1_DRIVE))
+ return 1;
+ else
+ return 0;
+}
+
+static int wm831x_isink_set_current(struct regulator_dev *rdev,
+ int min_uA, int max_uA)
+{
+ struct wm831x_isink *isink = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = isink->wm831x;
+ int ret, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm831x_isinkv_values); i++) {
+ int val = wm831x_isinkv_values[i];
+ if (min_uA >= val && val <= max_uA) {
+ ret = wm831x_set_bits(wm831x, isink->reg,
+ WM831X_CS1_ISEL_MASK, i);
+ return ret;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static int wm831x_isink_get_current(struct regulator_dev *rdev)
+{
+ struct wm831x_isink *isink = rdev_get_drvdata(rdev);
+ struct wm831x *wm831x = isink->wm831x;
+ int ret;
+
+ ret = wm831x_reg_read(wm831x, isink->reg);
+ if (ret < 0)
+ return ret;
+
+ ret &= WM831X_CS1_ISEL_MASK;
+ if (ret > WM831X_ISINK_MAX_ISEL)
+ ret = WM831X_ISINK_MAX_ISEL;
+
+ return wm831x_isinkv_values[ret];
+}
+
+static struct regulator_ops wm831x_isink_ops = {
+ .is_enabled = wm831x_isink_is_enabled,
+ .enable = wm831x_isink_enable,
+ .disable = wm831x_isink_disable,
+ .set_current_limit = wm831x_isink_set_current,
+ .get_current_limit = wm831x_isink_get_current,
+};
+
+static irqreturn_t wm831x_isink_irq(int irq, void *data)
+{
+ struct wm831x_isink *isink = data;
+
+ regulator_notifier_call_chain(isink->regulator,
+ REGULATOR_EVENT_OVER_CURRENT,
+ NULL);
+
+ return IRQ_HANDLED;
+}
+
+
+static __devinit int wm831x_isink_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_pdata *pdata = wm831x->dev->platform_data;
+ struct wm831x_isink *isink;
+ int id = pdev->id % ARRAY_SIZE(pdata->isink);
+ struct resource *res;
+ int ret, irq;
+
+ dev_dbg(&pdev->dev, "Probing ISINK%d\n", id + 1);
+
+ if (pdata == NULL || pdata->isink[id] == NULL)
+ return -ENODEV;
+
+ isink = kzalloc(sizeof(struct wm831x_isink), GFP_KERNEL);
+ if (isink == NULL) {
+ dev_err(&pdev->dev, "Unable to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (res == NULL) {
+ dev_err(&pdev->dev, "No I/O resource\n");
+ ret = -EINVAL;
+ goto err;
+ }
+ isink->reg = res->start;
+
+ /* For current parts this is correct; probably need to revisit
+ * in future.
+ */
+ snprintf(isink->name, sizeof(isink->name), "ISINK%d", id + 1);
+ isink->desc.name = isink->name;
+ isink->desc.id = id;
+ isink->desc.ops = &wm831x_isink_ops;
+ isink->desc.type = REGULATOR_CURRENT;
+ isink->desc.owner = THIS_MODULE;
+
+ isink->regulator = regulator_register(&isink->desc, &pdev->dev,
+ pdata->isink[id], isink);
+ if (IS_ERR(isink->regulator)) {
+ ret = PTR_ERR(isink->regulator);
+ dev_err(wm831x->dev, "Failed to register ISINK%d: %d\n",
+ id + 1, ret);
+ goto err;
+ }
+
+ irq = platform_get_irq(pdev, 0);
+ ret = wm831x_request_irq(wm831x, irq, wm831x_isink_irq,
+ IRQF_TRIGGER_RISING, isink->name,
+ isink);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to request ISINK IRQ %d: %d\n",
+ irq, ret);
+ goto err_regulator;
+ }
+
+ platform_set_drvdata(pdev, isink);
+
+ return 0;
+
+err_regulator:
+ regulator_unregister(isink->regulator);
+err:
+ kfree(isink);
+ return ret;
+}
+
+static __devexit int wm831x_isink_remove(struct platform_device *pdev)
+{
+ struct wm831x_isink *isink = platform_get_drvdata(pdev);
+ struct wm831x *wm831x = isink->wm831x;
+
+ wm831x_free_irq(wm831x, platform_get_irq(pdev, 0), isink);
+
+ regulator_unregister(isink->regulator);
+ kfree(isink);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_isink_driver = {
+ .probe = wm831x_isink_probe,
+ .remove = __devexit_p(wm831x_isink_remove),
+ .driver = {
+ .name = "wm831x-isink",
+ },
+};
+
+static int __init wm831x_isink_init(void)
+{
+ int ret;
+ ret = platform_driver_register(&wm831x_isink_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM831x ISINK driver: %d\n", ret);
+
+ return ret;
+}
+subsys_initcall(wm831x_isink_init);
+
+static void __exit wm831x_isink_exit(void)
+{
+ platform_driver_unregister(&wm831x_isink_driver);
+}
+module_exit(wm831x_isink_exit);
+
+/* Module information */
+MODULE_AUTHOR("Mark Brown");
+MODULE_DESCRIPTION("WM831x current sink driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm831x-isink");
--
GitLab
From e397e7ed50e3fb573aa5de183ae308dc7bf20b9e Mon Sep 17 00:00:00 2001
From: Antonio Ospite <ospite@studenti.unina.it>
Date: Thu, 6 Aug 2009 16:08:52 -0700
Subject: [PATCH 602/742] regulator: register pcap earlier
Register pcap-regulator earlier so it can be used with cpufreq
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/pcap-regulator.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c
index fdb90940ef0f..137b455ecb44 100644
--- a/drivers/regulator/pcap-regulator.c
+++ b/drivers/regulator/pcap-regulator.c
@@ -310,7 +310,7 @@ static void __exit pcap_regulator_exit(void)
platform_driver_unregister(&pcap_regulator_driver);
}
-module_init(pcap_regulator_init);
+subsys_initcall(pcap_regulator_init);
module_exit(pcap_regulator_exit);
MODULE_AUTHOR("Daniel Ribeiro <drwyrm@gmail.com>");
--
GitLab
From 0387e107d6043c810915bf552c3fee367f536f3a Mon Sep 17 00:00:00 2001
From: Daniel Ribeiro <drwyrm@gmail.com>
Date: Fri, 7 Aug 2009 22:54:56 +0200
Subject: [PATCH 603/742] input: PCAP2 based touchscreen driver
Touchscreen driver for the PCAP2 multi function device used in
Motorola EZX smartphones.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/input/touchscreen/Kconfig | 9 +
drivers/input/touchscreen/Makefile | 1 +
drivers/input/touchscreen/pcap_ts.c | 271 ++++++++++++++++++++++++++++
3 files changed, 281 insertions(+)
create mode 100644 drivers/input/touchscreen/pcap_ts.c
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 87a1ae63bcc4..ab02d72afbf3 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -510,4 +510,13 @@ config TOUCHSCREEN_W90X900
To compile this driver as a module, choose M here: the
module will be called w90p910_ts.
+config TOUCHSCREEN_PCAP
+ tristate "Motorola PCAP touchscreen"
+ depends on EZX_PCAP
+ help
+ Say Y here if you have a Motorola EZX telephone and
+ want to enable support for the built-in touchscreen.
+
+ To compile this driver as a module, choose M here: the
+ module will be called pcap_ts.
endif
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 3e1c5e0b952f..4599bf7ad819 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -40,3 +40,4 @@ obj-$(CONFIG_TOUCHSCREEN_WM97XX_ATMEL) += atmel-wm97xx.o
obj-$(CONFIG_TOUCHSCREEN_WM97XX_MAINSTONE) += mainstone-wm97xx.o
obj-$(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE) += zylonite-wm97xx.o
obj-$(CONFIG_TOUCHSCREEN_W90X900) += w90p910_ts.o
+obj-$(CONFIG_TOUCHSCREEN_PCAP) += pcap_ts.o
diff --git a/drivers/input/touchscreen/pcap_ts.c b/drivers/input/touchscreen/pcap_ts.c
new file mode 100644
index 000000000000..67fcd33595de
--- /dev/null
+++ b/drivers/input/touchscreen/pcap_ts.c
@@ -0,0 +1,271 @@
+/*
+ * Driver for Motorola PCAP2 touchscreen as found in the EZX phone platform.
+ *
+ * Copyright (C) 2006 Harald Welte <laforge@openezx.org>
+ * Copyright (C) 2009 Daniel Ribeiro <drwyrm@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/fs.h>
+#include <linux/string.h>
+#include <linux/pm.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/mfd/ezx-pcap.h>
+
+struct pcap_ts {
+ struct pcap_chip *pcap;
+ struct input_dev *input;
+ struct delayed_work work;
+ u16 x, y;
+ u16 pressure;
+ u8 read_state;
+};
+
+#define SAMPLE_DELAY 20 /* msecs */
+
+#define X_AXIS_MIN 0
+#define X_AXIS_MAX 1023
+#define Y_AXIS_MAX X_AXIS_MAX
+#define Y_AXIS_MIN X_AXIS_MIN
+#define PRESSURE_MAX X_AXIS_MAX
+#define PRESSURE_MIN X_AXIS_MIN
+
+static void pcap_ts_read_xy(void *data, u16 res[2])
+{
+ struct pcap_ts *pcap_ts = data;
+
+ switch (pcap_ts->read_state) {
+ case PCAP_ADC_TS_M_PRESSURE:
+ /* pressure reading is unreliable */
+ if (res[0] > PRESSURE_MIN && res[0] < PRESSURE_MAX)
+ pcap_ts->pressure = res[0];
+ pcap_ts->read_state = PCAP_ADC_TS_M_XY;
+ schedule_delayed_work(&pcap_ts->work, 0);
+ break;
+ case PCAP_ADC_TS_M_XY:
+ pcap_ts->y = res[0];
+ pcap_ts->x = res[1];
+ if (pcap_ts->x <= X_AXIS_MIN || pcap_ts->x >= X_AXIS_MAX ||
+ pcap_ts->y <= Y_AXIS_MIN || pcap_ts->y >= Y_AXIS_MAX) {
+ /* pen has been released */
+ input_report_abs(pcap_ts->input, ABS_PRESSURE, 0);
+ input_report_key(pcap_ts->input, BTN_TOUCH, 0);
+
+ pcap_ts->read_state = PCAP_ADC_TS_M_STANDBY;
+ schedule_delayed_work(&pcap_ts->work, 0);
+ } else {
+ /* pen is touching the screen */
+ input_report_abs(pcap_ts->input, ABS_X, pcap_ts->x);
+ input_report_abs(pcap_ts->input, ABS_Y, pcap_ts->y);
+ input_report_key(pcap_ts->input, BTN_TOUCH, 1);
+ input_report_abs(pcap_ts->input, ABS_PRESSURE,
+ pcap_ts->pressure);
+
+ /* switch back to pressure read mode */
+ pcap_ts->read_state = PCAP_ADC_TS_M_PRESSURE;
+ schedule_delayed_work(&pcap_ts->work,
+ msecs_to_jiffies(SAMPLE_DELAY));
+ }
+ input_sync(pcap_ts->input);
+ break;
+ default:
+ dev_warn(&pcap_ts->input->dev,
+ "pcap_ts: Warning, unhandled read_state %d\n",
+ pcap_ts->read_state);
+ break;
+ }
+}
+
+static void pcap_ts_work(struct work_struct *work)
+{
+ struct delayed_work *dw = container_of(work, struct delayed_work, work);
+ struct pcap_ts *pcap_ts = container_of(dw, struct pcap_ts, work);
+ u8 ch[2];
+
+ pcap_set_ts_bits(pcap_ts->pcap,
+ pcap_ts->read_state << PCAP_ADC_TS_M_SHIFT);
+
+ if (pcap_ts->read_state == PCAP_ADC_TS_M_STANDBY)
+ return;
+
+ /* start adc conversion */
+ ch[0] = PCAP_ADC_CH_TS_X1;
+ ch[1] = PCAP_ADC_CH_TS_Y1;
+ pcap_adc_async(pcap_ts->pcap, PCAP_ADC_BANK_1, 0, ch,
+ pcap_ts_read_xy, pcap_ts);
+}
+
+static irqreturn_t pcap_ts_event_touch(int pirq, void *data)
+{
+ struct pcap_ts *pcap_ts = data;
+
+ if (pcap_ts->read_state == PCAP_ADC_TS_M_STANDBY) {
+ pcap_ts->read_state = PCAP_ADC_TS_M_PRESSURE;
+ schedule_delayed_work(&pcap_ts->work, 0);
+ }
+ return IRQ_HANDLED;
+}
+
+static int pcap_ts_open(struct input_dev *dev)
+{
+ struct pcap_ts *pcap_ts = input_get_drvdata(dev);
+
+ pcap_ts->read_state = PCAP_ADC_TS_M_STANDBY;
+ schedule_delayed_work(&pcap_ts->work, 0);
+
+ return 0;
+}
+
+static void pcap_ts_close(struct input_dev *dev)
+{
+ struct pcap_ts *pcap_ts = input_get_drvdata(dev);
+
+ cancel_delayed_work_sync(&pcap_ts->work);
+
+ pcap_ts->read_state = PCAP_ADC_TS_M_NONTS;
+ pcap_set_ts_bits(pcap_ts->pcap,
+ pcap_ts->read_state << PCAP_ADC_TS_M_SHIFT);
+}
+
+static int __devinit pcap_ts_probe(struct platform_device *pdev)
+{
+ struct input_dev *input_dev;
+ struct pcap_ts *pcap_ts;
+ int err = -ENOMEM;
+
+ pcap_ts = kzalloc(sizeof(*pcap_ts), GFP_KERNEL);
+ if (!pcap_ts)
+ return err;
+
+ pcap_ts->pcap = dev_get_drvdata(pdev->dev.parent);
+ platform_set_drvdata(pdev, pcap_ts);
+
+ input_dev = input_allocate_device();
+ if (!input_dev)
+ goto fail;
+
+ INIT_DELAYED_WORK(&pcap_ts->work, pcap_ts_work);
+
+ pcap_ts->read_state = PCAP_ADC_TS_M_NONTS;
+ pcap_set_ts_bits(pcap_ts->pcap,
+ pcap_ts->read_state << PCAP_ADC_TS_M_SHIFT);
+
+ pcap_ts->input = input_dev;
+ input_set_drvdata(input_dev, pcap_ts);
+
+ input_dev->name = "pcap-touchscreen";
+ input_dev->phys = "pcap_ts/input0";
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->id.vendor = 0x0001;
+ input_dev->id.product = 0x0002;
+ input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &pdev->dev;
+ input_dev->open = pcap_ts_open;
+ input_dev->close = pcap_ts_close;
+
+ input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH);
+ input_set_abs_params(input_dev, ABS_X, X_AXIS_MIN, X_AXIS_MAX, 0, 0);
+ input_set_abs_params(input_dev, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, 0, 0);
+ input_set_abs_params(input_dev, ABS_PRESSURE, PRESSURE_MIN,
+ PRESSURE_MAX, 0, 0);
+
+ err = input_register_device(pcap_ts->input);
+ if (err)
+ goto fail_allocate;
+
+ err = request_irq(pcap_to_irq(pcap_ts->pcap, PCAP_IRQ_TS),
+ pcap_ts_event_touch, 0, "Touch Screen", pcap_ts);
+ if (err)
+ goto fail_register;
+
+ return 0;
+
+fail_register:
+ input_unregister_device(input_dev);
+ goto fail;
+fail_allocate:
+ input_free_device(input_dev);
+fail:
+ kfree(pcap_ts);
+
+ return err;
+}
+
+static int __devexit pcap_ts_remove(struct platform_device *pdev)
+{
+ struct pcap_ts *pcap_ts = platform_get_drvdata(pdev);
+
+ free_irq(pcap_to_irq(pcap_ts->pcap, PCAP_IRQ_TS), pcap_ts);
+ cancel_delayed_work_sync(&pcap_ts->work);
+
+ input_unregister_device(pcap_ts->input);
+
+ kfree(pcap_ts);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int pcap_ts_suspend(struct device *dev)
+{
+ struct pcap_ts *pcap_ts = dev_get_drvdata(dev);
+
+ pcap_set_ts_bits(pcap_ts->pcap, PCAP_ADC_TS_REF_LOWPWR);
+ return 0;
+}
+
+static int pcap_ts_resume(struct device *dev)
+{
+ struct pcap_ts *pcap_ts = dev_get_drvdata(dev);
+
+ pcap_set_ts_bits(pcap_ts->pcap,
+ pcap_ts->read_state << PCAP_ADC_TS_M_SHIFT);
+ return 0;
+}
+
+static struct dev_pm_ops pcap_ts_pm_ops = {
+ .suspend = pcap_ts_suspend,
+ .resume = pcap_ts_resume,
+};
+#define PCAP_TS_PM_OPS (&pcap_ts_pm_ops)
+#else
+#define PCAP_TS_PM_OPS NULL
+#endif
+
+static struct platform_driver pcap_ts_driver = {
+ .probe = pcap_ts_probe,
+ .remove = __devexit_p(pcap_ts_remove),
+ .driver = {
+ .name = "pcap-ts",
+ .owner = THIS_MODULE,
+ .pm = PCAP_TS_PM_OPS,
+ },
+};
+
+static int __init pcap_ts_init(void)
+{
+ return platform_driver_register(&pcap_ts_driver);
+}
+
+static void __exit pcap_ts_exit(void)
+{
+ platform_driver_unregister(&pcap_ts_driver);
+}
+
+module_init(pcap_ts_init);
+module_exit(pcap_ts_exit);
+
+MODULE_DESCRIPTION("Motorola PCAP2 touchscreen driver");
+MODULE_AUTHOR("Daniel Ribeiro / Harald Welte");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcap_ts");
--
GitLab
From d0a821324819a2908b886ae8b2f33fc7824ff83f Mon Sep 17 00:00:00 2001
From: Daniel Ribeiro <drwyrm@gmail.com>
Date: Mon, 10 Aug 2009 20:27:48 +0200
Subject: [PATCH 604/742] input: PCAP2 misc input driver
This is a driver for misc input events for the PCAP2 PMIC, it handles
the Power key and the Headphone button.
Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Ilya Petrov <ilya.muromec@gmail.com>
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/input/misc/Kconfig | 10 +++
drivers/input/misc/Makefile | 2 +
drivers/input/misc/pcap_keys.c | 144 +++++++++++++++++++++++++++++++++
3 files changed, 156 insertions(+)
create mode 100644 drivers/input/misc/pcap_keys.c
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 852941d108ff..1a50be379cbc 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -289,4 +289,14 @@ config INPUT_WM831X_ON
To compile this driver as a module, choose M here: the module
will be called wm831x_on.
+config INPUT_PCAP
+ tristate "Motorola EZX PCAP misc input events"
+ depends on EZX_PCAP
+ help
+ Say Y here if you want to use Power key and Headphone button
+ on Motorola EZX phones.
+
+ To compile this driver as a module, choose M here: the
+ module will be called pcap_keys.
+
endif
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index c97533fb83c8..bf4db626c313 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
obj-$(CONFIG_INPUT_IXP4XX_BEEPER) += ixp4xx-beeper.o
obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o
obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
+obj-$(CONFIG_INPUT_PCAP) += pcap_keys.o
obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o
obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
obj-$(CONFIG_INPUT_POWERMATE) += powermate.o
@@ -28,3 +29,4 @@ obj-$(CONFIG_INPUT_UINPUT) += uinput.o
obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o
obj-$(CONFIG_INPUT_WM831X_ON) += wm831x-on.o
obj-$(CONFIG_INPUT_YEALINK) += yealink.o
+
diff --git a/drivers/input/misc/pcap_keys.c b/drivers/input/misc/pcap_keys.c
new file mode 100644
index 000000000000..7ea969347ca9
--- /dev/null
+++ b/drivers/input/misc/pcap_keys.c
@@ -0,0 +1,144 @@
+/*
+ * Input driver for PCAP events:
+ * * Power key
+ * * Headphone button
+ *
+ * Copyright (c) 2008,2009 Ilya Petrov <ilya.muromec@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+#include <linux/mfd/ezx-pcap.h>
+
+struct pcap_keys {
+ struct pcap_chip *pcap;
+ struct input_dev *input;
+};
+
+/* PCAP2 interrupts us on keypress */
+static irqreturn_t pcap_keys_handler(int irq, void *_pcap_keys)
+{
+ struct pcap_keys *pcap_keys = _pcap_keys;
+ int pirq = irq_to_pcap(pcap_keys->pcap, irq);
+ u32 pstat;
+
+ ezx_pcap_read(pcap_keys->pcap, PCAP_REG_PSTAT, &pstat);
+ pstat &= 1 << pirq;
+
+ switch (pirq) {
+ case PCAP_IRQ_ONOFF:
+ input_report_key(pcap_keys->input, KEY_POWER, !pstat);
+ break;
+ case PCAP_IRQ_MIC:
+ input_report_key(pcap_keys->input, KEY_HP, !pstat);
+ break;
+ }
+
+ input_sync(pcap_keys->input);
+
+ return IRQ_HANDLED;
+}
+
+static int __devinit pcap_keys_probe(struct platform_device *pdev)
+{
+ int err = -ENOMEM;
+ struct pcap_keys *pcap_keys;
+ struct input_dev *input_dev;
+
+ pcap_keys = kmalloc(sizeof(struct pcap_keys), GFP_KERNEL);
+ if (!pcap_keys)
+ return err;
+
+ pcap_keys->pcap = dev_get_drvdata(pdev->dev.parent);
+
+ input_dev = input_allocate_device();
+ if (!input_dev)
+ goto fail;
+
+ pcap_keys->input = input_dev;
+
+ platform_set_drvdata(pdev, pcap_keys);
+ input_dev->name = pdev->name;
+ input_dev->phys = "pcap-keys/input0";
+ input_dev->id.bustype = BUS_HOST;
+ input_dev->dev.parent = &pdev->dev;
+
+ __set_bit(EV_KEY, input_dev->evbit);
+ __set_bit(KEY_POWER, input_dev->keybit);
+ __set_bit(KEY_HP, input_dev->keybit);
+
+ err = input_register_device(input_dev);
+ if (err)
+ goto fail_allocate;
+
+ err = request_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF),
+ pcap_keys_handler, 0, "Power key", pcap_keys);
+ if (err)
+ goto fail_register;
+
+ err = request_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_MIC),
+ pcap_keys_handler, 0, "Headphone button", pcap_keys);
+ if (err)
+ goto fail_pwrkey;
+
+ return 0;
+
+fail_pwrkey:
+ free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys);
+fail_register:
+ input_unregister_device(input_dev);
+ goto fail;
+fail_allocate:
+ input_free_device(input_dev);
+fail:
+ kfree(pcap_keys);
+ return err;
+}
+
+static int __devexit pcap_keys_remove(struct platform_device *pdev)
+{
+ struct pcap_keys *pcap_keys = platform_get_drvdata(pdev);
+
+ free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_ONOFF), pcap_keys);
+ free_irq(pcap_to_irq(pcap_keys->pcap, PCAP_IRQ_MIC), pcap_keys);
+
+ input_unregister_device(pcap_keys->input);
+ kfree(pcap_keys);
+
+ return 0;
+}
+
+static struct platform_driver pcap_keys_device_driver = {
+ .probe = pcap_keys_probe,
+ .remove = __devexit_p(pcap_keys_remove),
+ .driver = {
+ .name = "pcap-keys",
+ .owner = THIS_MODULE,
+ }
+};
+
+static int __init pcap_keys_init(void)
+{
+ return platform_driver_register(&pcap_keys_device_driver);
+};
+
+static void __exit pcap_keys_exit(void)
+{
+ platform_driver_unregister(&pcap_keys_device_driver);
+};
+
+module_init(pcap_keys_init);
+module_exit(pcap_keys_exit);
+
+MODULE_DESCRIPTION("Motorola PCAP2 input events driver");
+MODULE_AUTHOR("Ilya Petrov <ilya.muromec@gmail.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcap_keys");
--
GitLab
From 70fde5cbd421773f0b9d684933ecb441efe89c84 Mon Sep 17 00:00:00 2001
From: Antonio Ospite <ospite@studenti.unina.it>
Date: Fri, 7 Aug 2009 23:18:41 +0200
Subject: [PATCH 605/742] regulator: get pcap data from the parent device
Right now the pcap core driver passes a reference to its pcap data abusing the
subdrivers platform drvdata, this is not good.
Get the reference directly from the parent device.
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/pcap-regulator.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c
index 137b455ecb44..33d7d899e030 100644
--- a/drivers/regulator/pcap-regulator.c
+++ b/drivers/regulator/pcap-regulator.c
@@ -271,7 +271,7 @@ static struct regulator_desc pcap_regulators[] = {
static int __devinit pcap_regulator_probe(struct platform_device *pdev)
{
struct regulator_dev *rdev;
- void *pcap = platform_get_drvdata(pdev);
+ void *pcap = dev_get_drvdata(pdev->dev.parent);
rdev = regulator_register(&pcap_regulators[pdev->id], &pdev->dev,
pdev->dev.platform_data, pcap);
--
GitLab
From 35c86bf66d9d0ebc3f32f8c56251197b3921394e Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 27 Aug 2009 19:59:05 +0200
Subject: [PATCH 606/742] rtc: Add support for RTCs on Wolfson WM831x devices
The WM831x series of PMICs contain RTC functionality. The hardware
provides a 32 bit counter incrementing at 1Hz together with a per
tick interrupt and an alarm value. For simplicity the driver chooses
to define the epoch for the counter as the Unix epoch - if required
platform data can be used in future to customise this.
When powered on from a completely cold state the RTC reports that it
has not been configured - when this happens an error is returned
when attempting to read the RTC in order to avoid use of values we
know to be invalid.
The hardware also provides security features which mean that it can
ignore attempts to set the RTC time in certain circumstances, most
notably if the RTC is written to too often. These errors are detected
by verifying the written RTC value.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/rtc/Kconfig | 10 +
drivers/rtc/Makefile | 1 +
drivers/rtc/rtc-wm831x.c | 523 +++++++++++++++++++++++++++++++++++++++
3 files changed, 534 insertions(+)
create mode 100644 drivers/rtc/rtc-wm831x.c
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 81adbdbd5042..b136299a237e 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -518,6 +518,16 @@ config RTC_DRV_V3020
This driver can also be built as a module. If so, the module
will be called rtc-v3020.
+config RTC_DRV_WM831X
+ tristate "Wolfson Microelectronics WM831x RTC"
+ depends on MFD_WM831X
+ help
+ If you say yes here you will get support for the RTC subsystem
+ of the Wolfson Microelectronics WM831X series PMICs.
+
+ This driver can also be built as a module. If so, the module
+ will be called "rtc-wm831x".
+
config RTC_DRV_WM8350
tristate "Wolfson Microelectronics WM8350 RTC"
depends on MFD_WM8350
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 3c0f2b2ac927..f3e573509092 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -74,6 +74,7 @@ obj-$(CONFIG_RTC_DRV_TWL4030) += rtc-twl4030.o
obj-$(CONFIG_RTC_DRV_TX4939) += rtc-tx4939.o
obj-$(CONFIG_RTC_DRV_V3020) += rtc-v3020.o
obj-$(CONFIG_RTC_DRV_VR41XX) += rtc-vr41xx.o
+obj-$(CONFIG_RTC_DRV_WM831X) += rtc-wm831x.o
obj-$(CONFIG_RTC_DRV_WM8350) += rtc-wm8350.o
obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o
obj-$(CONFIG_RTC_DRV_PCF50633) += rtc-pcf50633.o
diff --git a/drivers/rtc/rtc-wm831x.c b/drivers/rtc/rtc-wm831x.c
new file mode 100644
index 000000000000..79795cdf6ed8
--- /dev/null
+++ b/drivers/rtc/rtc-wm831x.c
@@ -0,0 +1,523 @@
+/*
+ * Real Time Clock driver for Wolfson Microelectronics WM831x
+ *
+ * Copyright (C) 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/time.h>
+#include <linux/rtc.h>
+#include <linux/bcd.h>
+#include <linux/interrupt.h>
+#include <linux/ioctl.h>
+#include <linux/completion.h>
+#include <linux/mfd/wm831x/core.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+
+
+/*
+ * R16416 (0x4020) - RTC Write Counter
+ */
+#define WM831X_RTC_WR_CNT_MASK 0xFFFF /* RTC_WR_CNT - [15:0] */
+#define WM831X_RTC_WR_CNT_SHIFT 0 /* RTC_WR_CNT - [15:0] */
+#define WM831X_RTC_WR_CNT_WIDTH 16 /* RTC_WR_CNT - [15:0] */
+
+/*
+ * R16417 (0x4021) - RTC Time 1
+ */
+#define WM831X_RTC_TIME_MASK 0xFFFF /* RTC_TIME - [15:0] */
+#define WM831X_RTC_TIME_SHIFT 0 /* RTC_TIME - [15:0] */
+#define WM831X_RTC_TIME_WIDTH 16 /* RTC_TIME - [15:0] */
+
+/*
+ * R16418 (0x4022) - RTC Time 2
+ */
+#define WM831X_RTC_TIME_MASK 0xFFFF /* RTC_TIME - [15:0] */
+#define WM831X_RTC_TIME_SHIFT 0 /* RTC_TIME - [15:0] */
+#define WM831X_RTC_TIME_WIDTH 16 /* RTC_TIME - [15:0] */
+
+/*
+ * R16419 (0x4023) - RTC Alarm 1
+ */
+#define WM831X_RTC_ALM_MASK 0xFFFF /* RTC_ALM - [15:0] */
+#define WM831X_RTC_ALM_SHIFT 0 /* RTC_ALM - [15:0] */
+#define WM831X_RTC_ALM_WIDTH 16 /* RTC_ALM - [15:0] */
+
+/*
+ * R16420 (0x4024) - RTC Alarm 2
+ */
+#define WM831X_RTC_ALM_MASK 0xFFFF /* RTC_ALM - [15:0] */
+#define WM831X_RTC_ALM_SHIFT 0 /* RTC_ALM - [15:0] */
+#define WM831X_RTC_ALM_WIDTH 16 /* RTC_ALM - [15:0] */
+
+/*
+ * R16421 (0x4025) - RTC Control
+ */
+#define WM831X_RTC_VALID 0x8000 /* RTC_VALID */
+#define WM831X_RTC_VALID_MASK 0x8000 /* RTC_VALID */
+#define WM831X_RTC_VALID_SHIFT 15 /* RTC_VALID */
+#define WM831X_RTC_VALID_WIDTH 1 /* RTC_VALID */
+#define WM831X_RTC_SYNC_BUSY 0x4000 /* RTC_SYNC_BUSY */
+#define WM831X_RTC_SYNC_BUSY_MASK 0x4000 /* RTC_SYNC_BUSY */
+#define WM831X_RTC_SYNC_BUSY_SHIFT 14 /* RTC_SYNC_BUSY */
+#define WM831X_RTC_SYNC_BUSY_WIDTH 1 /* RTC_SYNC_BUSY */
+#define WM831X_RTC_ALM_ENA 0x0400 /* RTC_ALM_ENA */
+#define WM831X_RTC_ALM_ENA_MASK 0x0400 /* RTC_ALM_ENA */
+#define WM831X_RTC_ALM_ENA_SHIFT 10 /* RTC_ALM_ENA */
+#define WM831X_RTC_ALM_ENA_WIDTH 1 /* RTC_ALM_ENA */
+#define WM831X_RTC_PINT_FREQ_MASK 0x0070 /* RTC_PINT_FREQ - [6:4] */
+#define WM831X_RTC_PINT_FREQ_SHIFT 4 /* RTC_PINT_FREQ - [6:4] */
+#define WM831X_RTC_PINT_FREQ_WIDTH 3 /* RTC_PINT_FREQ - [6:4] */
+
+/*
+ * R16422 (0x4026) - RTC Trim
+ */
+#define WM831X_RTC_TRIM_MASK 0x03FF /* RTC_TRIM - [9:0] */
+#define WM831X_RTC_TRIM_SHIFT 0 /* RTC_TRIM - [9:0] */
+#define WM831X_RTC_TRIM_WIDTH 10 /* RTC_TRIM - [9:0] */
+
+#define WM831X_SET_TIME_RETRIES 5
+#define WM831X_GET_TIME_RETRIES 5
+
+struct wm831x_rtc {
+ struct wm831x *wm831x;
+ struct rtc_device *rtc;
+ unsigned int alarm_enabled:1;
+};
+
+/*
+ * Read current time and date in RTC
+ */
+static int wm831x_rtc_readtime(struct device *dev, struct rtc_time *tm)
+{
+ struct wm831x_rtc *wm831x_rtc = dev_get_drvdata(dev);
+ struct wm831x *wm831x = wm831x_rtc->wm831x;
+ u16 time1[2], time2[2];
+ int ret;
+ int count = 0;
+
+ /* Has the RTC been programmed? */
+ ret = wm831x_reg_read(wm831x, WM831X_RTC_CONTROL);
+ if (ret < 0) {
+ dev_err(dev, "Failed to read RTC control: %d\n", ret);
+ return ret;
+ }
+ if (!(ret & WM831X_RTC_VALID)) {
+ dev_dbg(dev, "RTC not yet configured\n");
+ return -EINVAL;
+ }
+
+ /* Read twice to make sure we don't read a corrupt, partially
+ * incremented, value.
+ */
+ do {
+ ret = wm831x_bulk_read(wm831x, WM831X_RTC_TIME_1,
+ 2, time1);
+ if (ret != 0)
+ continue;
+
+ ret = wm831x_bulk_read(wm831x, WM831X_RTC_TIME_1,
+ 2, time2);
+ if (ret != 0)
+ continue;
+
+ if (memcmp(time1, time2, sizeof(time1)) == 0) {
+ u32 time = (time1[0] << 16) | time1[1];
+
+ rtc_time_to_tm(time, tm);
+ return rtc_valid_tm(tm);
+ }
+
+ } while (++count < WM831X_GET_TIME_RETRIES);
+
+ dev_err(dev, "Timed out reading current time\n");
+
+ return -EIO;
+}
+
+/*
+ * Set current time and date in RTC
+ */
+static int wm831x_rtc_set_mmss(struct device *dev, unsigned long time)
+{
+ struct wm831x_rtc *wm831x_rtc = dev_get_drvdata(dev);
+ struct wm831x *wm831x = wm831x_rtc->wm831x;
+ struct rtc_time new_tm;
+ unsigned long new_time;
+ int ret;
+ int count = 0;
+
+ ret = wm831x_reg_write(wm831x, WM831X_RTC_TIME_1,
+ (time >> 16) & 0xffff);
+ if (ret < 0) {
+ dev_err(dev, "Failed to write TIME_1: %d\n", ret);
+ return ret;
+ }
+
+ ret = wm831x_reg_write(wm831x, WM831X_RTC_TIME_2, time & 0xffff);
+ if (ret < 0) {
+ dev_err(dev, "Failed to write TIME_2: %d\n", ret);
+ return ret;
+ }
+
+ /* Wait for the update to complete - should happen first time
+ * round but be conservative.
+ */
+ do {
+ msleep(1);
+
+ ret = wm831x_reg_read(wm831x, WM831X_RTC_CONTROL);
+ if (ret < 0)
+ ret = WM831X_RTC_SYNC_BUSY;
+ } while (!(ret & WM831X_RTC_SYNC_BUSY) &&
+ ++count < WM831X_SET_TIME_RETRIES);
+
+ if (ret & WM831X_RTC_SYNC_BUSY) {
+ dev_err(dev, "Timed out writing RTC update\n");
+ return -EIO;
+ }
+
+ /* Check that the update was accepted; security features may
+ * have caused the update to be ignored.
+ */
+ ret = wm831x_rtc_readtime(dev, &new_tm);
+ if (ret < 0)
+ return ret;
+
+ ret = rtc_tm_to_time(&new_tm, &new_time);
+ if (ret < 0) {
+ dev_err(dev, "Failed to convert time: %d\n", ret);
+ return ret;
+ }
+
+ /* Allow a second of change in case of tick */
+ if (new_time - time > 1) {
+ dev_err(dev, "RTC update not permitted by hardware\n");
+ return -EPERM;
+ }
+
+ return 0;
+}
+
+/*
+ * Read alarm time and date in RTC
+ */
+static int wm831x_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+ struct wm831x_rtc *wm831x_rtc = dev_get_drvdata(dev);
+ int ret;
+ u16 data[2];
+ u32 time;
+
+ ret = wm831x_bulk_read(wm831x_rtc->wm831x, WM831X_RTC_ALARM_1,
+ 2, data);
+ if (ret != 0) {
+ dev_err(dev, "Failed to read alarm time: %d\n", ret);
+ return ret;
+ }
+
+ time = (data[0] << 16) | data[1];
+
+ rtc_time_to_tm(time, &alrm->time);
+
+ ret = wm831x_reg_read(wm831x_rtc->wm831x, WM831X_RTC_CONTROL);
+ if (ret < 0) {
+ dev_err(dev, "Failed to read RTC control: %d\n", ret);
+ return ret;
+ }
+
+ if (ret & WM831X_RTC_ALM_ENA)
+ alrm->enabled = 1;
+ else
+ alrm->enabled = 0;
+
+ return 0;
+}
+
+static int wm831x_rtc_stop_alarm(struct wm831x_rtc *wm831x_rtc)
+{
+ wm831x_rtc->alarm_enabled = 0;
+
+ return wm831x_set_bits(wm831x_rtc->wm831x, WM831X_RTC_CONTROL,
+ WM831X_RTC_ALM_ENA, 0);
+}
+
+static int wm831x_rtc_start_alarm(struct wm831x_rtc *wm831x_rtc)
+{
+ wm831x_rtc->alarm_enabled = 1;
+
+ return wm831x_set_bits(wm831x_rtc->wm831x, WM831X_RTC_CONTROL,
+ WM831X_RTC_ALM_ENA, WM831X_RTC_ALM_ENA);
+}
+
+static int wm831x_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+ struct wm831x_rtc *wm831x_rtc = dev_get_drvdata(dev);
+ struct wm831x *wm831x = wm831x_rtc->wm831x;
+ int ret;
+ unsigned long time;
+
+ ret = rtc_tm_to_time(&alrm->time, &time);
+ if (ret < 0) {
+ dev_err(dev, "Failed to convert time: %d\n", ret);
+ return ret;
+ }
+
+ ret = wm831x_rtc_stop_alarm(wm831x_rtc);
+ if (ret < 0) {
+ dev_err(dev, "Failed to stop alarm: %d\n", ret);
+ return ret;
+ }
+
+ ret = wm831x_reg_write(wm831x, WM831X_RTC_ALARM_1,
+ (time >> 16) & 0xffff);
+ if (ret < 0) {
+ dev_err(dev, "Failed to write ALARM_1: %d\n", ret);
+ return ret;
+ }
+
+ ret = wm831x_reg_write(wm831x, WM831X_RTC_ALARM_2, time & 0xffff);
+ if (ret < 0) {
+ dev_err(dev, "Failed to write ALARM_2: %d\n", ret);
+ return ret;
+ }
+
+ if (alrm->enabled) {
+ ret = wm831x_rtc_start_alarm(wm831x_rtc);
+ if (ret < 0) {
+ dev_err(dev, "Failed to start alarm: %d\n", ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int wm831x_rtc_alarm_irq_enable(struct device *dev,
+ unsigned int enabled)
+{
+ struct wm831x_rtc *wm831x_rtc = dev_get_drvdata(dev);
+
+ if (enabled)
+ return wm831x_rtc_start_alarm(wm831x_rtc);
+ else
+ return wm831x_rtc_stop_alarm(wm831x_rtc);
+}
+
+static int wm831x_rtc_update_irq_enable(struct device *dev,
+ unsigned int enabled)
+{
+ struct wm831x_rtc *wm831x_rtc = dev_get_drvdata(dev);
+ int val;
+
+ if (enabled)
+ val = 1 << WM831X_RTC_PINT_FREQ_SHIFT;
+ else
+ val = 0;
+
+ return wm831x_set_bits(wm831x_rtc->wm831x, WM831X_RTC_CONTROL,
+ WM831X_RTC_PINT_FREQ_MASK, val);
+}
+
+static irqreturn_t wm831x_alm_irq(int irq, void *data)
+{
+ struct wm831x_rtc *wm831x_rtc = data;
+
+ rtc_update_irq(wm831x_rtc->rtc, 1, RTC_IRQF | RTC_AF);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t wm831x_per_irq(int irq, void *data)
+{
+ struct wm831x_rtc *wm831x_rtc = data;
+
+ rtc_update_irq(wm831x_rtc->rtc, 1, RTC_IRQF | RTC_UF);
+
+ return IRQ_HANDLED;
+}
+
+static const struct rtc_class_ops wm831x_rtc_ops = {
+ .read_time = wm831x_rtc_readtime,
+ .set_mmss = wm831x_rtc_set_mmss,
+ .read_alarm = wm831x_rtc_readalarm,
+ .set_alarm = wm831x_rtc_setalarm,
+ .alarm_irq_enable = wm831x_rtc_alarm_irq_enable,
+ .update_irq_enable = wm831x_rtc_update_irq_enable,
+};
+
+#ifdef CONFIG_PM
+/* Turn off the alarm if it should not be a wake source. */
+static int wm831x_rtc_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct wm831x_rtc *wm831x_rtc = dev_get_drvdata(&pdev->dev);
+ int ret, enable;
+
+ if (wm831x_rtc->alarm_enabled && device_may_wakeup(&pdev->dev))
+ enable = WM831X_RTC_ALM_ENA;
+ else
+ enable = 0;
+
+ ret = wm831x_set_bits(wm831x_rtc->wm831x, WM831X_RTC_CONTROL,
+ WM831X_RTC_ALM_ENA, enable);
+ if (ret != 0)
+ dev_err(&pdev->dev, "Failed to update RTC alarm: %d\n", ret);
+
+ return 0;
+}
+
+/* Enable the alarm if it should be enabled (in case it was disabled to
+ * prevent use as a wake source).
+ */
+static int wm831x_rtc_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct wm831x_rtc *wm831x_rtc = dev_get_drvdata(&pdev->dev);
+ int ret;
+
+ if (wm831x_rtc->alarm_enabled) {
+ ret = wm831x_rtc_start_alarm(wm831x_rtc);
+ if (ret != 0)
+ dev_err(&pdev->dev,
+ "Failed to restart RTC alarm: %d\n", ret);
+ }
+
+ return 0;
+}
+
+/* Unconditionally disable the alarm */
+static int wm831x_rtc_freeze(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct wm831x_rtc *wm831x_rtc = dev_get_drvdata(&pdev->dev);
+ int ret;
+
+ ret = wm831x_set_bits(wm831x_rtc->wm831x, WM831X_RTC_CONTROL,
+ WM831X_RTC_ALM_ENA, 0);
+ if (ret != 0)
+ dev_err(&pdev->dev, "Failed to stop RTC alarm: %d\n", ret);
+
+ return 0;
+}
+#else
+#define wm831x_rtc_suspend NULL
+#define wm831x_rtc_resume NULL
+#define wm831x_rtc_freeze NULL
+#endif
+
+static int wm831x_rtc_probe(struct platform_device *pdev)
+{
+ struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
+ struct wm831x_rtc *wm831x_rtc;
+ int per_irq = platform_get_irq_byname(pdev, "PER");
+ int alm_irq = platform_get_irq_byname(pdev, "ALM");
+ int ret = 0;
+
+ wm831x_rtc = kzalloc(sizeof(*wm831x_rtc), GFP_KERNEL);
+ if (wm831x_rtc == NULL)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, wm831x_rtc);
+ wm831x_rtc->wm831x = wm831x;
+
+ ret = wm831x_reg_read(wm831x, WM831X_RTC_CONTROL);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to read RTC control: %d\n", ret);
+ goto err;
+ }
+ if (ret & WM831X_RTC_ALM_ENA)
+ wm831x_rtc->alarm_enabled = 1;
+
+ device_init_wakeup(&pdev->dev, 1);
+
+ wm831x_rtc->rtc = rtc_device_register("wm831x", &pdev->dev,
+ &wm831x_rtc_ops, THIS_MODULE);
+ if (IS_ERR(wm831x_rtc->rtc)) {
+ ret = PTR_ERR(wm831x_rtc->rtc);
+ goto err;
+ }
+
+ ret = wm831x_request_irq(wm831x, per_irq, wm831x_per_irq,
+ IRQF_TRIGGER_RISING, "wm831x_rtc_per",
+ wm831x_rtc);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to request periodic IRQ %d: %d\n",
+ per_irq, ret);
+ }
+
+ ret = wm831x_request_irq(wm831x, alm_irq, wm831x_alm_irq,
+ IRQF_TRIGGER_RISING, "wm831x_rtc_alm",
+ wm831x_rtc);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to request alarm IRQ %d: %d\n",
+ alm_irq, ret);
+ }
+
+ return 0;
+
+err:
+ kfree(wm831x_rtc);
+ return ret;
+}
+
+static int __devexit wm831x_rtc_remove(struct platform_device *pdev)
+{
+ struct wm831x_rtc *wm831x_rtc = platform_get_drvdata(pdev);
+ int per_irq = platform_get_irq_byname(pdev, "PER");
+ int alm_irq = platform_get_irq_byname(pdev, "ALM");
+
+ wm831x_free_irq(wm831x_rtc->wm831x, alm_irq, wm831x_rtc);
+ wm831x_free_irq(wm831x_rtc->wm831x, per_irq, wm831x_rtc);
+ rtc_device_unregister(wm831x_rtc->rtc);
+ kfree(wm831x_rtc);
+
+ return 0;
+}
+
+static struct dev_pm_ops wm831x_rtc_pm_ops = {
+ .suspend = wm831x_rtc_suspend,
+ .resume = wm831x_rtc_resume,
+
+ .freeze = wm831x_rtc_freeze,
+ .thaw = wm831x_rtc_resume,
+ .restore = wm831x_rtc_resume,
+
+ .poweroff = wm831x_rtc_suspend,
+};
+
+static struct platform_driver wm831x_rtc_driver = {
+ .probe = wm831x_rtc_probe,
+ .remove = __devexit_p(wm831x_rtc_remove),
+ .driver = {
+ .name = "wm831x-rtc",
+ .pm = &wm831x_rtc_pm_ops,
+ },
+};
+
+static int __init wm831x_rtc_init(void)
+{
+ return platform_driver_register(&wm831x_rtc_driver);
+}
+module_init(wm831x_rtc_init);
+
+static void __exit wm831x_rtc_exit(void)
+{
+ platform_driver_unregister(&wm831x_rtc_driver);
+}
+module_exit(wm831x_rtc_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("RTC driver for the WM831x series PMICs");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm831x-rtc");
--
GitLab
From 956f25a6778a2510d52973ab8a3ac2e03e2c3704 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Thu, 13 Aug 2009 11:49:23 +0200
Subject: [PATCH 607/742] mfd: AB3100 accessor function cleanups
This adds the _interruptible suffix to the AB3100 accessor
functions on par with mutex_lock_interruptible() that's used
for blocking simultaneous calls to the AB3100 acessor functions.
Since these accesses are slow on a 100kHz I2C bus and may line
up waiting for the mutex, we need to handle interruption by
system shutdown or kill signals and may just as well denote that
in the function names.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ab3100-core.c | 43 +++++++++++++++++++++-----------------
include/linux/mfd/ab3100.h | 8 +++----
2 files changed, 28 insertions(+), 23 deletions(-)
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index 8ff10cb77cac..ffe4b6415465 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -77,7 +77,7 @@ u8 ab3100_get_chip_type(struct ab3100 *ab3100)
}
EXPORT_SYMBOL(ab3100_get_chip_type);
-int ab3100_set_register(struct ab3100 *ab3100, u8 reg, u8 regval)
+int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval)
{
u8 regandval[2] = {reg, regval};
int err;
@@ -109,7 +109,8 @@ int ab3100_set_register(struct ab3100 *ab3100, u8 reg, u8 regval)
mutex_unlock(&ab3100->access_mutex);
return 0;
}
-EXPORT_SYMBOL(ab3100_set_register);
+EXPORT_SYMBOL(ab3100_set_register_interruptible);
+
/*
* The test registers exist at an I2C bus address up one
@@ -118,7 +119,7 @@ EXPORT_SYMBOL(ab3100_set_register);
* anyway. It's currently only used from this file so declare
* it static and do not export.
*/
-static int ab3100_set_test_register(struct ab3100 *ab3100,
+static int ab3100_set_test_register_interruptible(struct ab3100 *ab3100,
u8 reg, u8 regval)
{
u8 regandval[2] = {reg, regval};
@@ -148,7 +149,8 @@ static int ab3100_set_test_register(struct ab3100 *ab3100,
return err;
}
-int ab3100_get_register(struct ab3100 *ab3100, u8 reg, u8 *regval)
+
+int ab3100_get_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 *regval)
{
int err;
@@ -202,9 +204,10 @@ int ab3100_get_register(struct ab3100 *ab3100, u8 reg, u8 *regval)
mutex_unlock(&ab3100->access_mutex);
return err;
}
-EXPORT_SYMBOL(ab3100_get_register);
+EXPORT_SYMBOL(ab3100_get_register_interruptible);
+
-int ab3100_get_register_page(struct ab3100 *ab3100,
+int ab3100_get_register_page_interruptible(struct ab3100 *ab3100,
u8 first_reg, u8 *regvals, u8 numregs)
{
int err;
@@ -258,9 +261,10 @@ int ab3100_get_register_page(struct ab3100 *ab3100,
mutex_unlock(&ab3100->access_mutex);
return err;
}
-EXPORT_SYMBOL(ab3100_get_register_page);
+EXPORT_SYMBOL(ab3100_get_register_page_interruptible);
-int ab3100_mask_and_set_register(struct ab3100 *ab3100,
+
+int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100,
u8 reg, u8 andmask, u8 ormask)
{
u8 regandval[2] = {reg, 0};
@@ -328,7 +332,8 @@ int ab3100_mask_and_set_register(struct ab3100 *ab3100,
mutex_unlock(&ab3100->access_mutex);
return err;
}
-EXPORT_SYMBOL(ab3100_mask_and_set_register);
+EXPORT_SYMBOL(ab3100_mask_and_set_register_interruptible);
+
/*
* Register a simple callback for handling any AB3100 events.
@@ -371,7 +376,7 @@ static void ab3100_work(struct work_struct *work)
u32 fatevent;
int err;
- err = ab3100_get_register_page(ab3100, AB3100_EVENTA1,
+ err = ab3100_get_register_page_interruptible(ab3100, AB3100_EVENTA1,
event_regs, 3);
if (err)
goto err_event_wq;
@@ -435,7 +440,7 @@ static int ab3100_registers_print(struct seq_file *s, void *p)
seq_printf(s, "AB3100 registers:\n");
for (reg = 0; reg < 0xff; reg++) {
- ab3100_get_register(ab3100, reg, &value);
+ ab3100_get_register_interruptible(ab3100, reg, &value);
seq_printf(s, "[0x%x]: 0x%x\n", reg, value);
}
return 0;
@@ -515,7 +520,7 @@ static ssize_t ab3100_get_set_reg(struct file *file,
u8 reg = (u8) user_reg;
u8 regvalue;
- ab3100_get_register(ab3100, reg, ®value);
+ ab3100_get_register_interruptible(ab3100, reg, ®value);
dev_info(ab3100->dev,
"debug read AB3100 reg[0x%02x]: 0x%02x\n",
@@ -547,8 +552,8 @@ static ssize_t ab3100_get_set_reg(struct file *file,
return -EINVAL;
value = (u8) user_value;
- ab3100_set_register(ab3100, reg, value);
- ab3100_get_register(ab3100, reg, ®value);
+ ab3100_set_register_interruptible(ab3100, reg, value);
+ ab3100_get_register_interruptible(ab3100, reg, ®value);
dev_info(ab3100->dev,
"debug write reg[0x%02x] with 0x%02x, "
@@ -696,7 +701,7 @@ static int __init ab3100_setup(struct ab3100 *ab3100)
int i;
for (i = 0; i < ARRAY_SIZE(ab3100_init_settings); i++) {
- err = ab3100_set_register(ab3100,
+ err = ab3100_set_register_interruptible(ab3100,
ab3100_init_settings[i].abreg,
ab3100_init_settings[i].setting);
if (err)
@@ -705,14 +710,14 @@ static int __init ab3100_setup(struct ab3100 *ab3100)
/*
* Special trick to make the AB3100 use the 32kHz clock (RTC)
- * bit 3 in test registe 0x02 is a special, undocumented test
+ * bit 3 in test register 0x02 is a special, undocumented test
* register bit that only exist in AB3100 P1E
*/
if (ab3100->chip_id == 0xc4) {
dev_warn(ab3100->dev,
"AB3100 P1E variant detected, "
"forcing chip to 32KHz\n");
- err = ab3100_set_test_register(ab3100, 0x02, 0x08);
+ err = ab3100_set_test_register_interruptible(ab3100, 0x02, 0x08);
}
exit_no_setup:
@@ -852,8 +857,8 @@ static int __init ab3100_probe(struct i2c_client *client,
i2c_set_clientdata(client, ab3100);
/* Read chip ID register */
- err = ab3100_get_register(ab3100, AB3100_CID,
- &ab3100->chip_id);
+ err = ab3100_get_register_interruptible(ab3100, AB3100_CID,
+ &ab3100->chip_id);
if (err) {
dev_err(&client->dev,
"could not communicate with the AB3100 analog "
diff --git a/include/linux/mfd/ab3100.h b/include/linux/mfd/ab3100.h
index 7a3f316e3848..56343b8013b5 100644
--- a/include/linux/mfd/ab3100.h
+++ b/include/linux/mfd/ab3100.h
@@ -86,11 +86,11 @@ struct ab3100 {
bool startup_events_read;
};
-int ab3100_set_register(struct ab3100 *ab3100, u8 reg, u8 regval);
-int ab3100_get_register(struct ab3100 *ab3100, u8 reg, u8 *regval);
-int ab3100_get_register_page(struct ab3100 *ab3100,
+int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval);
+int ab3100_get_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 *regval);
+int ab3100_get_register_page_interruptible(struct ab3100 *ab3100,
u8 first_reg, u8 *regvals, u8 numregs);
-int ab3100_mask_and_set_register(struct ab3100 *ab3100,
+int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100,
u8 reg, u8 andmask, u8 ormask);
u8 ab3100_get_chip_type(struct ab3100 *ab3100);
int ab3100_event_register(struct ab3100 *ab3100,
--
GitLab
From 7cdc2b98cec4c9b5bd563adf9eec90e7a7e12234 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Thu, 13 Aug 2009 11:49:38 +0200
Subject: [PATCH 608/742] mfd: AB3100 propagate error
This makes ab3100_set_register_interruptible() propagate the error
code from suboperations properly so it can be handles properly.
(A special case comes from signal interruption.)
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ab3100-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index ffe4b6415465..377ec2ba6549 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -107,7 +107,7 @@ int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval)
err = 0;
}
mutex_unlock(&ab3100->access_mutex);
- return 0;
+ return err;
}
EXPORT_SYMBOL(ab3100_set_register_interruptible);
--
GitLab
From ce290b0e865ae19f0ae49968def0a2edcb4e6a65 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Thu, 13 Aug 2009 11:49:49 +0200
Subject: [PATCH 609/742] mfd: AB3100 alter default setting
This alters the default setting for AB3100_IMRB1 from 0xff to
0xbf. These registers are used for the yet unimplemented ADC
and this new setting will deactivate ADC Trigger 1.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ab3100-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index 377ec2ba6549..bba534ba8c65 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -667,7 +667,7 @@ ab3100_init_settings[] = {
.setting = 0x01
}, {
.abreg = AB3100_IMRB1,
- .setting = 0xFF
+ .setting = 0xBF
}, {
.abreg = AB3100_IMRB2,
.setting = 0xFF
--
GitLab
From 0ad651c94c7a1f3706f63dc0174e681315e7dc81 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Thu, 13 Aug 2009 11:50:01 +0200
Subject: [PATCH 610/742] mfd: AB3100 disable irq nosync
This will make the worker fire interrupt disable the AB3100 IRQ
without sync which resolves a race since the interrupt obviously
cannot wait for itself to complete while being handled.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ab3100-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index bba534ba8c65..1d8ac1a1e304 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -422,7 +422,7 @@ static irqreturn_t ab3100_irq_handler(int irq, void *data)
* stuff and we will re-enable the interrupts once th
* worker has finished.
*/
- disable_irq(ab3100->i2c_client->irq);
+ disable_irq_nosync(irq);
schedule_work(&ab3100->work);
return IRQ_HANDLED;
}
--
GitLab
From 8238addcc52c94c59b10c3c1e9850d3a7921f825 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Wed, 19 Aug 2009 01:40:28 +0200
Subject: [PATCH 611/742] mfd: Add Freescale MC13783 driver
This driver provides the core Freescale MC13783 support. It
registers the client platform_devices and provides access
to the A/D converter.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/Kconfig | 10 +
drivers/mfd/Makefile | 2 +
drivers/mfd/mc13783-core.c | 427 ++++++++++++++++++++++++++++
include/linux/mfd/mc13783-private.h | 396 ++++++++++++++++++++++++++
include/linux/mfd/mc13783.h | 84 ++++++
5 files changed, 919 insertions(+)
create mode 100644 drivers/mfd/mc13783-core.c
create mode 100644 include/linux/mfd/mc13783-private.h
create mode 100644 include/linux/mfd/mc13783.h
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 0273456af77f..a4f3dff30ba5 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -238,6 +238,16 @@ config MFD_PCF50633
facilities, and registers devices for the various functions
so that function-specific drivers can bind to them.
+config MFD_MC13783
+ tristate "Support Freescale MC13783"
+ depends on SPI_MASTER
+ select MFD_CORE
+ help
+ Support for the Freescale (Atlas) MC13783 PMIC and audio CODEC.
+ This driver provides common support for accessing the device,
+ additional drivers must be enabled in order to use the
+ functionality of the device.
+
config PCF50633_ADC
tristate "Support for NXP PCF50633 ADC"
depends on MFD_PCF50633
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 285cb320e6a6..7fec04fb5f47 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -26,6 +26,8 @@ obj-$(CONFIG_MENELAUS) += menelaus.o
obj-$(CONFIG_TWL4030_CORE) += twl4030-core.o twl4030-irq.o
+obj-$(CONFIG_MFD_MC13783) += mc13783-core.o
+
obj-$(CONFIG_MFD_CORE) += mfd-core.o
obj-$(CONFIG_EZX_PCAP) += ezx-pcap.o
diff --git a/drivers/mfd/mc13783-core.c b/drivers/mfd/mc13783-core.c
new file mode 100644
index 000000000000..e354d2912ef1
--- /dev/null
+++ b/drivers/mfd/mc13783-core.c
@@ -0,0 +1,427 @@
+/*
+ * Copyright 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * This code is in parts based on wm8350-core.c and pcf50633-core.c
+ *
+ * Initial development of this code was funded by
+ * Phytec Messtechnik GmbH, http://www.phytec.de
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/mfd/mc13783-private.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/mc13783.h>
+#include <linux/completion.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/core.h>
+#include <linux/spi/spi.h>
+#include <linux/uaccess.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/irq.h>
+
+#define MC13783_MAX_REG_NUM 0x3f
+#define MC13783_FRAME_MASK 0x00ffffff
+#define MC13783_MAX_REG_NUM 0x3f
+#define MC13783_REG_NUM_SHIFT 0x19
+#define MC13783_WRITE_BIT_SHIFT 31
+
+static inline int spi_rw(struct spi_device *spi, u8 * buf, size_t len)
+{
+ struct spi_transfer t = {
+ .tx_buf = (const void *)buf,
+ .rx_buf = buf,
+ .len = len,
+ .cs_change = 0,
+ .delay_usecs = 0,
+ };
+ struct spi_message m;
+
+ spi_message_init(&m);
+ spi_message_add_tail(&t, &m);
+ if (spi_sync(spi, &m) != 0 || m.status != 0)
+ return -EINVAL;
+ return len - m.actual_length;
+}
+
+static int mc13783_read(struct mc13783 *mc13783, int reg_num, u32 *reg_val)
+{
+ unsigned int frame = 0;
+ int ret = 0;
+
+ if (reg_num > MC13783_MAX_REG_NUM)
+ return -EINVAL;
+
+ frame |= reg_num << MC13783_REG_NUM_SHIFT;
+
+ ret = spi_rw(mc13783->spi_device, (u8 *)&frame, 4);
+
+ *reg_val = frame & MC13783_FRAME_MASK;
+
+ return ret;
+}
+
+static int mc13783_write(struct mc13783 *mc13783, int reg_num, u32 reg_val)
+{
+ unsigned int frame = 0;
+
+ if (reg_num > MC13783_MAX_REG_NUM)
+ return -EINVAL;
+
+ frame |= (1 << MC13783_WRITE_BIT_SHIFT);
+ frame |= reg_num << MC13783_REG_NUM_SHIFT;
+ frame |= reg_val & MC13783_FRAME_MASK;
+
+ return spi_rw(mc13783->spi_device, (u8 *)&frame, 4);
+}
+
+int mc13783_reg_read(struct mc13783 *mc13783, int reg_num, u32 *reg_val)
+{
+ int ret;
+
+ mutex_lock(&mc13783->io_lock);
+ ret = mc13783_read(mc13783, reg_num, reg_val);
+ mutex_unlock(&mc13783->io_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mc13783_reg_read);
+
+int mc13783_reg_write(struct mc13783 *mc13783, int reg_num, u32 reg_val)
+{
+ int ret;
+
+ mutex_lock(&mc13783->io_lock);
+ ret = mc13783_write(mc13783, reg_num, reg_val);
+ mutex_unlock(&mc13783->io_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mc13783_reg_write);
+
+/**
+ * mc13783_set_bits - Bitmask write
+ *
+ * @mc13783: Pointer to mc13783 control structure
+ * @reg: Register to access
+ * @mask: Mask of bits to change
+ * @val: Value to set for masked bits
+ */
+int mc13783_set_bits(struct mc13783 *mc13783, int reg, u32 mask, u32 val)
+{
+ u32 tmp;
+ int ret;
+
+ mutex_lock(&mc13783->io_lock);
+
+ ret = mc13783_read(mc13783, reg, &tmp);
+ tmp = (tmp & ~mask) | val;
+ if (ret == 0)
+ ret = mc13783_write(mc13783, reg, tmp);
+
+ mutex_unlock(&mc13783->io_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mc13783_set_bits);
+
+int mc13783_register_irq(struct mc13783 *mc13783, int irq,
+ void (*handler) (int, void *), void *data)
+{
+ if (irq < 0 || irq > MC13783_NUM_IRQ || !handler)
+ return -EINVAL;
+
+ if (WARN_ON(mc13783->irq_handler[irq].handler))
+ return -EBUSY;
+
+ mutex_lock(&mc13783->io_lock);
+ mc13783->irq_handler[irq].handler = handler;
+ mc13783->irq_handler[irq].data = data;
+ mutex_unlock(&mc13783->io_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mc13783_register_irq);
+
+int mc13783_free_irq(struct mc13783 *mc13783, int irq)
+{
+ if (irq < 0 || irq > MC13783_NUM_IRQ)
+ return -EINVAL;
+
+ mutex_lock(&mc13783->io_lock);
+ mc13783->irq_handler[irq].handler = NULL;
+ mutex_unlock(&mc13783->io_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mc13783_free_irq);
+
+static void mc13783_irq_work(struct work_struct *work)
+{
+ struct mc13783 *mc13783 = container_of(work, struct mc13783, work);
+ int i;
+ unsigned int adc_sts;
+
+ /* check if the adc has finished any completion */
+ mc13783_reg_read(mc13783, MC13783_REG_INTERRUPT_STATUS_0, &adc_sts);
+ mc13783_reg_write(mc13783, MC13783_REG_INTERRUPT_STATUS_0,
+ adc_sts & MC13783_INT_STAT_ADCDONEI);
+
+ if (adc_sts & MC13783_INT_STAT_ADCDONEI)
+ complete_all(&mc13783->adc_done);
+
+ for (i = 0; i < MC13783_NUM_IRQ; i++)
+ if (mc13783->irq_handler[i].handler)
+ mc13783->irq_handler[i].handler(i,
+ mc13783->irq_handler[i].data);
+ enable_irq(mc13783->irq);
+}
+
+static irqreturn_t mc13783_interrupt(int irq, void *dev_id)
+{
+ struct mc13783 *mc13783 = dev_id;
+
+ disable_irq_nosync(irq);
+
+ schedule_work(&mc13783->work);
+ return IRQ_HANDLED;
+}
+
+/* set adc to ts interrupt mode, which generates touchscreen wakeup interrupt */
+static inline void mc13783_adc_set_ts_irq_mode(struct mc13783 *mc13783)
+{
+ unsigned int reg_adc0, reg_adc1;
+
+ reg_adc0 = MC13783_ADC0_ADREFEN | MC13783_ADC0_ADREFMODE
+ | MC13783_ADC0_TSMOD0;
+ reg_adc1 = MC13783_ADC1_ADEN | MC13783_ADC1_ADTRIGIGN;
+
+ mc13783_reg_write(mc13783, MC13783_REG_ADC_0, reg_adc0);
+ mc13783_reg_write(mc13783, MC13783_REG_ADC_1, reg_adc1);
+}
+
+int mc13783_adc_do_conversion(struct mc13783 *mc13783, unsigned int mode,
+ unsigned int channel, unsigned int *sample)
+{
+ unsigned int reg_adc0, reg_adc1;
+ int i;
+
+ mutex_lock(&mc13783->adc_conv_lock);
+
+ /* set up auto incrementing anyway to make quick read */
+ reg_adc0 = MC13783_ADC0_ADINC1 | MC13783_ADC0_ADINC2;
+ /* enable the adc, ignore external triggering and set ASC to trigger
+ * conversion */
+ reg_adc1 = MC13783_ADC1_ADEN | MC13783_ADC1_ADTRIGIGN
+ | MC13783_ADC1_ASC;
+
+ /* setup channel number */
+ if (channel > 7)
+ reg_adc1 |= MC13783_ADC1_ADSEL;
+
+ switch (mode) {
+ case MC13783_ADC_MODE_TS:
+ /* enables touch screen reference mode and set touchscreen mode
+ * to position mode */
+ reg_adc0 |= MC13783_ADC0_ADREFEN | MC13783_ADC0_ADREFMODE
+ | MC13783_ADC0_TSMOD0 | MC13783_ADC0_TSMOD1;
+ reg_adc1 |= 4 << MC13783_ADC1_CHAN1_SHIFT;
+ break;
+ case MC13783_ADC_MODE_SINGLE_CHAN:
+ reg_adc1 |= (channel & 0x7) << MC13783_ADC1_CHAN0_SHIFT;
+ reg_adc1 |= MC13783_ADC1_RAND;
+ break;
+ case MC13783_ADC_MODE_MULT_CHAN:
+ reg_adc1 |= 4 << MC13783_ADC1_CHAN1_SHIFT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ mc13783_reg_write(mc13783, MC13783_REG_ADC_0, reg_adc0);
+ mc13783_reg_write(mc13783, MC13783_REG_ADC_1, reg_adc1);
+
+ wait_for_completion_interruptible(&mc13783->adc_done);
+
+ for (i = 0; i < 4; i++)
+ mc13783_reg_read(mc13783, MC13783_REG_ADC_2, &sample[i]);
+
+ if (mc13783->ts_active)
+ mc13783_adc_set_ts_irq_mode(mc13783);
+
+ mutex_unlock(&mc13783->adc_conv_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mc13783_adc_do_conversion);
+
+void mc13783_adc_set_ts_status(struct mc13783 *mc13783, unsigned int status)
+{
+ mc13783->ts_active = status;
+}
+EXPORT_SYMBOL_GPL(mc13783_adc_set_ts_status);
+
+static int mc13783_check_revision(struct mc13783 *mc13783)
+{
+ u32 rev_id, rev1, rev2, finid, icid;
+
+ mc13783_read(mc13783, MC13783_REG_REVISION, &rev_id);
+
+ rev1 = (rev_id & 0x018) >> 3;
+ rev2 = (rev_id & 0x007);
+ icid = (rev_id & 0x01C0) >> 6;
+ finid = (rev_id & 0x01E00) >> 9;
+
+ /* Ver 0.2 is actually 3.2a. Report as 3.2 */
+ if ((rev1 == 0) && (rev2 == 2))
+ rev1 = 3;
+
+ if (rev1 == 0 || icid != 2) {
+ dev_err(mc13783->dev, "No MC13783 detected.\n");
+ return -ENODEV;
+ }
+
+ mc13783->revision = ((rev1 * 10) + rev2);
+ dev_info(mc13783->dev, "MC13783 Rev %d.%d FinVer %x detected\n", rev1,
+ rev2, finid);
+
+ return 0;
+}
+
+/*
+ * Register a client device. This is non-fatal since there is no need to
+ * fail the entire device init due to a single platform device failing.
+ */
+static void mc13783_client_dev_register(struct mc13783 *mc13783,
+ const char *name)
+{
+ struct mfd_cell cell = {};
+
+ cell.name = name;
+
+ mfd_add_devices(mc13783->dev, -1, &cell, 1, NULL, 0);
+}
+
+static int __devinit mc13783_probe(struct spi_device *spi)
+{
+ struct mc13783 *mc13783;
+ struct mc13783_platform_data *pdata = spi->dev.platform_data;
+ int ret;
+
+ mc13783 = kzalloc(sizeof(struct mc13783), GFP_KERNEL);
+ if (!mc13783)
+ return -ENOMEM;
+
+ dev_set_drvdata(&spi->dev, mc13783);
+ spi->mode = SPI_MODE_0 | SPI_CS_HIGH;
+ spi->bits_per_word = 32;
+ spi_setup(spi);
+
+ mc13783->spi_device = spi;
+ mc13783->dev = &spi->dev;
+ mc13783->irq = spi->irq;
+
+ INIT_WORK(&mc13783->work, mc13783_irq_work);
+ mutex_init(&mc13783->io_lock);
+ mutex_init(&mc13783->adc_conv_lock);
+ init_completion(&mc13783->adc_done);
+
+ if (pdata) {
+ mc13783->flags = pdata->flags;
+ mc13783->regulators = pdata->regulators;
+ mc13783->num_regulators = pdata->num_regulators;
+ }
+
+ if (mc13783_check_revision(mc13783)) {
+ ret = -ENODEV;
+ goto err_out;
+ }
+
+ /* clear and mask all interrupts */
+ mc13783_reg_write(mc13783, MC13783_REG_INTERRUPT_STATUS_0, 0x00ffffff);
+ mc13783_reg_write(mc13783, MC13783_REG_INTERRUPT_MASK_0, 0x00ffffff);
+ mc13783_reg_write(mc13783, MC13783_REG_INTERRUPT_STATUS_1, 0x00ffffff);
+ mc13783_reg_write(mc13783, MC13783_REG_INTERRUPT_MASK_1, 0x00ffffff);
+
+ /* unmask adcdone interrupts */
+ mc13783_set_bits(mc13783, MC13783_REG_INTERRUPT_MASK_0,
+ MC13783_INT_MASK_ADCDONEM, 0);
+
+ ret = request_irq(mc13783->irq, mc13783_interrupt,
+ IRQF_DISABLED | IRQF_TRIGGER_HIGH, "mc13783",
+ mc13783);
+ if (ret)
+ goto err_out;
+
+ if (mc13783->flags & MC13783_USE_CODEC)
+ mc13783_client_dev_register(mc13783, "mc13783-codec");
+ if (mc13783->flags & MC13783_USE_ADC)
+ mc13783_client_dev_register(mc13783, "mc13783-adc");
+ if (mc13783->flags & MC13783_USE_RTC)
+ mc13783_client_dev_register(mc13783, "mc13783-rtc");
+ if (mc13783->flags & MC13783_USE_REGULATOR)
+ mc13783_client_dev_register(mc13783, "mc13783-regulator");
+ if (mc13783->flags & MC13783_USE_TOUCHSCREEN)
+ mc13783_client_dev_register(mc13783, "mc13783-ts");
+
+ return 0;
+
+err_out:
+ kfree(mc13783);
+ return ret;
+}
+
+static int __devexit mc13783_remove(struct spi_device *spi)
+{
+ struct mc13783 *mc13783;
+
+ mc13783 = dev_get_drvdata(&spi->dev);
+
+ free_irq(mc13783->irq, mc13783);
+
+ mfd_remove_devices(&spi->dev);
+
+ return 0;
+}
+
+static struct spi_driver pmic_driver = {
+ .driver = {
+ .name = "mc13783",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+ .probe = mc13783_probe,
+ .remove = __devexit_p(mc13783_remove),
+};
+
+static int __init pmic_init(void)
+{
+ return spi_register_driver(&pmic_driver);
+}
+subsys_initcall(pmic_init);
+
+static void __exit pmic_exit(void)
+{
+ spi_unregister_driver(&pmic_driver);
+}
+module_exit(pmic_exit);
+
+MODULE_DESCRIPTION("Core/Protocol driver for Freescale MC13783 PMIC");
+MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
+MODULE_LICENSE("GPL");
+
diff --git a/include/linux/mfd/mc13783-private.h b/include/linux/mfd/mc13783-private.h
new file mode 100644
index 000000000000..47e698cb0f16
--- /dev/null
+++ b/include/linux/mfd/mc13783-private.h
@@ -0,0 +1,396 @@
+/*
+ * Copyright 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * Initial development of this code was funded by
+ * Phytec Messtechnik GmbH, http://www.phytec.de
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __LINUX_MFD_MC13783_PRIV_H
+#define __LINUX_MFD_MC13783_PRIV_H
+
+#include <linux/platform_device.h>
+#include <linux/mfd/mc13783.h>
+#include <linux/workqueue.h>
+#include <linux/mutex.h>
+
+struct mc13783_irq {
+ void (*handler)(int, void *);
+ void *data;
+};
+
+#define MC13783_NUM_IRQ 2
+#define MC13783_IRQ_TS 0
+#define MC13783_IRQ_REGULATOR 1
+
+#define MC13783_ADC_MODE_TS 1
+#define MC13783_ADC_MODE_SINGLE_CHAN 2
+#define MC13783_ADC_MODE_MULT_CHAN 3
+
+struct mc13783 {
+ int revision;
+ struct device *dev;
+ struct spi_device *spi_device;
+
+ int (*read_dev)(void *data, char reg, int count, u32 *dst);
+ int (*write_dev)(void *data, char reg, int count, const u32 *src);
+
+ struct mutex io_lock;
+ void *io_data;
+ int irq;
+ unsigned int flags;
+
+ struct mc13783_irq irq_handler[MC13783_NUM_IRQ];
+ struct work_struct work;
+ struct completion adc_done;
+ unsigned int ts_active;
+ struct mutex adc_conv_lock;
+
+ struct mc13783_regulator_init_data *regulators;
+ int num_regulators;
+};
+
+int mc13783_reg_read(struct mc13783 *, int reg_num, u32 *);
+int mc13783_reg_write(struct mc13783 *, int, u32);
+int mc13783_set_bits(struct mc13783 *, int, u32, u32);
+int mc13783_free_irq(struct mc13783 *mc13783, int irq);
+int mc13783_register_irq(struct mc13783 *mc13783, int irq,
+ void (*handler) (int, void *), void *data);
+
+#define MC13783_REG_INTERRUPT_STATUS_0 0
+#define MC13783_REG_INTERRUPT_MASK_0 1
+#define MC13783_REG_INTERRUPT_SENSE_0 2
+#define MC13783_REG_INTERRUPT_STATUS_1 3
+#define MC13783_REG_INTERRUPT_MASK_1 4
+#define MC13783_REG_INTERRUPT_SENSE_1 5
+#define MC13783_REG_POWER_UP_MODE_SENSE 6
+#define MC13783_REG_REVISION 7
+#define MC13783_REG_SEMAPHORE 8
+#define MC13783_REG_ARBITRATION_PERIPHERAL_AUDIO 9
+#define MC13783_REG_ARBITRATION_SWITCHERS 10
+#define MC13783_REG_ARBITRATION_REGULATORS_0 11
+#define MC13783_REG_ARBITRATION_REGULATORS_1 12
+#define MC13783_REG_POWER_CONTROL_0 13
+#define MC13783_REG_POWER_CONTROL_1 14
+#define MC13783_REG_POWER_CONTROL_2 15
+#define MC13783_REG_REGEN_ASSIGNMENT 16
+#define MC13783_REG_CONTROL_SPARE 17
+#define MC13783_REG_MEMORY_A 18
+#define MC13783_REG_MEMORY_B 19
+#define MC13783_REG_RTC_TIME 20
+#define MC13783_REG_RTC_ALARM 21
+#define MC13783_REG_RTC_DAY 22
+#define MC13783_REG_RTC_DAY_ALARM 23
+#define MC13783_REG_SWITCHERS_0 24
+#define MC13783_REG_SWITCHERS_1 25
+#define MC13783_REG_SWITCHERS_2 26
+#define MC13783_REG_SWITCHERS_3 27
+#define MC13783_REG_SWITCHERS_4 28
+#define MC13783_REG_SWITCHERS_5 29
+#define MC13783_REG_REGULATOR_SETTING_0 30
+#define MC13783_REG_REGULATOR_SETTING_1 31
+#define MC13783_REG_REGULATOR_MODE_0 32
+#define MC13783_REG_REGULATOR_MODE_1 33
+#define MC13783_REG_POWER_MISCELLANEOUS 34
+#define MC13783_REG_POWER_SPARE 35
+#define MC13783_REG_AUDIO_RX_0 36
+#define MC13783_REG_AUDIO_RX_1 37
+#define MC13783_REG_AUDIO_TX 38
+#define MC13783_REG_AUDIO_SSI_NETWORK 39
+#define MC13783_REG_AUDIO_CODEC 40
+#define MC13783_REG_AUDIO_STEREO_DAC 41
+#define MC13783_REG_AUDIO_SPARE 42
+#define MC13783_REG_ADC_0 43
+#define MC13783_REG_ADC_1 44
+#define MC13783_REG_ADC_2 45
+#define MC13783_REG_ADC_3 46
+#define MC13783_REG_ADC_4 47
+#define MC13783_REG_CHARGER 48
+#define MC13783_REG_USB 49
+#define MC13783_REG_CHARGE_USB_SPARE 50
+#define MC13783_REG_LED_CONTROL_0 51
+#define MC13783_REG_LED_CONTROL_1 52
+#define MC13783_REG_LED_CONTROL_2 53
+#define MC13783_REG_LED_CONTROL_3 54
+#define MC13783_REG_LED_CONTROL_4 55
+#define MC13783_REG_LED_CONTROL_5 56
+#define MC13783_REG_SPARE 57
+#define MC13783_REG_TRIM_0 58
+#define MC13783_REG_TRIM_1 59
+#define MC13783_REG_TEST_0 60
+#define MC13783_REG_TEST_1 61
+#define MC13783_REG_TEST_2 62
+#define MC13783_REG_TEST_3 63
+#define MC13783_REG_NB 64
+
+
+/*
+ * Interrupt Status
+ */
+#define MC13783_INT_STAT_ADCDONEI (1 << 0)
+#define MC13783_INT_STAT_ADCBISDONEI (1 << 1)
+#define MC13783_INT_STAT_TSI (1 << 2)
+#define MC13783_INT_STAT_WHIGHI (1 << 3)
+#define MC13783_INT_STAT_WLOWI (1 << 4)
+#define MC13783_INT_STAT_CHGDETI (1 << 6)
+#define MC13783_INT_STAT_CHGOVI (1 << 7)
+#define MC13783_INT_STAT_CHGREVI (1 << 8)
+#define MC13783_INT_STAT_CHGSHORTI (1 << 9)
+#define MC13783_INT_STAT_CCCVI (1 << 10)
+#define MC13783_INT_STAT_CHGCURRI (1 << 11)
+#define MC13783_INT_STAT_BPONI (1 << 12)
+#define MC13783_INT_STAT_LOBATLI (1 << 13)
+#define MC13783_INT_STAT_LOBATHI (1 << 14)
+#define MC13783_INT_STAT_UDPI (1 << 15)
+#define MC13783_INT_STAT_USBI (1 << 16)
+#define MC13783_INT_STAT_IDI (1 << 19)
+#define MC13783_INT_STAT_Unused (1 << 20)
+#define MC13783_INT_STAT_SE1I (1 << 21)
+#define MC13783_INT_STAT_CKDETI (1 << 22)
+#define MC13783_INT_STAT_UDMI (1 << 23)
+
+/*
+ * Interrupt Mask
+ */
+#define MC13783_INT_MASK_ADCDONEM (1 << 0)
+#define MC13783_INT_MASK_ADCBISDONEM (1 << 1)
+#define MC13783_INT_MASK_TSM (1 << 2)
+#define MC13783_INT_MASK_WHIGHM (1 << 3)
+#define MC13783_INT_MASK_WLOWM (1 << 4)
+#define MC13783_INT_MASK_CHGDETM (1 << 6)
+#define MC13783_INT_MASK_CHGOVM (1 << 7)
+#define MC13783_INT_MASK_CHGREVM (1 << 8)
+#define MC13783_INT_MASK_CHGSHORTM (1 << 9)
+#define MC13783_INT_MASK_CCCVM (1 << 10)
+#define MC13783_INT_MASK_CHGCURRM (1 << 11)
+#define MC13783_INT_MASK_BPONM (1 << 12)
+#define MC13783_INT_MASK_LOBATLM (1 << 13)
+#define MC13783_INT_MASK_LOBATHM (1 << 14)
+#define MC13783_INT_MASK_UDPM (1 << 15)
+#define MC13783_INT_MASK_USBM (1 << 16)
+#define MC13783_INT_MASK_IDM (1 << 19)
+#define MC13783_INT_MASK_SE1M (1 << 21)
+#define MC13783_INT_MASK_CKDETM (1 << 22)
+
+/*
+ * Reg Regulator Mode 0
+ */
+#define MC13783_REGCTRL_VAUDIO_EN (1 << 0)
+#define MC13783_REGCTRL_VAUDIO_STBY (1 << 1)
+#define MC13783_REGCTRL_VAUDIO_MODE (1 << 2)
+#define MC13783_REGCTRL_VIOHI_EN (1 << 3)
+#define MC13783_REGCTRL_VIOHI_STBY (1 << 4)
+#define MC13783_REGCTRL_VIOHI_MODE (1 << 5)
+#define MC13783_REGCTRL_VIOLO_EN (1 << 6)
+#define MC13783_REGCTRL_VIOLO_STBY (1 << 7)
+#define MC13783_REGCTRL_VIOLO_MODE (1 << 8)
+#define MC13783_REGCTRL_VDIG_EN (1 << 9)
+#define MC13783_REGCTRL_VDIG_STBY (1 << 10)
+#define MC13783_REGCTRL_VDIG_MODE (1 << 11)
+#define MC13783_REGCTRL_VGEN_EN (1 << 12)
+#define MC13783_REGCTRL_VGEN_STBY (1 << 13)
+#define MC13783_REGCTRL_VGEN_MODE (1 << 14)
+#define MC13783_REGCTRL_VRFDIG_EN (1 << 15)
+#define MC13783_REGCTRL_VRFDIG_STBY (1 << 16)
+#define MC13783_REGCTRL_VRFDIG_MODE (1 << 17)
+#define MC13783_REGCTRL_VRFREF_EN (1 << 18)
+#define MC13783_REGCTRL_VRFREF_STBY (1 << 19)
+#define MC13783_REGCTRL_VRFREF_MODE (1 << 20)
+#define MC13783_REGCTRL_VRFCP_EN (1 << 21)
+#define MC13783_REGCTRL_VRFCP_STBY (1 << 22)
+#define MC13783_REGCTRL_VRFCP_MODE (1 << 23)
+
+/*
+ * Reg Regulator Mode 1
+ */
+#define MC13783_REGCTRL_VSIM_EN (1 << 0)
+#define MC13783_REGCTRL_VSIM_STBY (1 << 1)
+#define MC13783_REGCTRL_VSIM_MODE (1 << 2)
+#define MC13783_REGCTRL_VESIM_EN (1 << 3)
+#define MC13783_REGCTRL_VESIM_STBY (1 << 4)
+#define MC13783_REGCTRL_VESIM_MODE (1 << 5)
+#define MC13783_REGCTRL_VCAM_EN (1 << 6)
+#define MC13783_REGCTRL_VCAM_STBY (1 << 7)
+#define MC13783_REGCTRL_VCAM_MODE (1 << 8)
+#define MC13783_REGCTRL_VRFBG_EN (1 << 9)
+#define MC13783_REGCTRL_VRFBG_STBY (1 << 10)
+#define MC13783_REGCTRL_VVIB_EN (1 << 11)
+#define MC13783_REGCTRL_VRF1_EN (1 << 12)
+#define MC13783_REGCTRL_VRF1_STBY (1 << 13)
+#define MC13783_REGCTRL_VRF1_MODE (1 << 14)
+#define MC13783_REGCTRL_VRF2_EN (1 << 15)
+#define MC13783_REGCTRL_VRF2_STBY (1 << 16)
+#define MC13783_REGCTRL_VRF2_MODE (1 << 17)
+#define MC13783_REGCTRL_VMMC1_EN (1 << 18)
+#define MC13783_REGCTRL_VMMC1_STBY (1 << 19)
+#define MC13783_REGCTRL_VMMC1_MODE (1 << 20)
+#define MC13783_REGCTRL_VMMC2_EN (1 << 21)
+#define MC13783_REGCTRL_VMMC2_STBY (1 << 22)
+#define MC13783_REGCTRL_VMMC2_MODE (1 << 23)
+
+/*
+ * Reg Regulator Misc.
+ */
+#define MC13783_REGCTRL_GPO1_EN (1 << 6)
+#define MC13783_REGCTRL_GPO2_EN (1 << 8)
+#define MC13783_REGCTRL_GPO3_EN (1 << 10)
+#define MC13783_REGCTRL_GPO4_EN (1 << 12)
+#define MC13783_REGCTRL_VIBPINCTRL (1 << 14)
+
+/*
+ * Reg Switcher 4
+ */
+#define MC13783_SWCTRL_SW1A_MODE (1 << 0)
+#define MC13783_SWCTRL_SW1A_STBY_MODE (1 << 2)
+#define MC13783_SWCTRL_SW1A_DVS_SPEED (1 << 6)
+#define MC13783_SWCTRL_SW1A_PANIC_MODE (1 << 8)
+#define MC13783_SWCTRL_SW1A_SOFTSTART (1 << 9)
+#define MC13783_SWCTRL_SW1B_MODE (1 << 10)
+#define MC13783_SWCTRL_SW1B_STBY_MODE (1 << 12)
+#define MC13783_SWCTRL_SW1B_DVS_SPEED (1 << 14)
+#define MC13783_SWCTRL_SW1B_PANIC_MODE (1 << 16)
+#define MC13783_SWCTRL_SW1B_SOFTSTART (1 << 17)
+#define MC13783_SWCTRL_PLL_EN (1 << 18)
+#define MC13783_SWCTRL_PLL_FACTOR (1 << 19)
+
+/*
+ * Reg Switcher 5
+ */
+#define MC13783_SWCTRL_SW2A_MODE (1 << 0)
+#define MC13783_SWCTRL_SW2A_STBY_MODE (1 << 2)
+#define MC13783_SWCTRL_SW2A_DVS_SPEED (1 << 6)
+#define MC13783_SWCTRL_SW2A_PANIC_MODE (1 << 8)
+#define MC13783_SWCTRL_SW2A_SOFTSTART (1 << 9)
+#define MC13783_SWCTRL_SW2B_MODE (1 << 10)
+#define MC13783_SWCTRL_SW2B_STBY_MODE (1 << 12)
+#define MC13783_SWCTRL_SW2B_DVS_SPEED (1 << 14)
+#define MC13783_SWCTRL_SW2B_PANIC_MODE (1 << 16)
+#define MC13783_SWCTRL_SW2B_SOFTSTART (1 << 17)
+#define MC13783_SWSET_SW3 (1 << 18)
+#define MC13783_SWCTRL_SW3_EN (1 << 20)
+#define MC13783_SWCTRL_SW3_STBY (1 << 21)
+#define MC13783_SWCTRL_SW3_MODE (1 << 22)
+
+/*
+ * ADC/Touch
+ */
+#define MC13783_ADC0_LICELLCON (1 << 0)
+#define MC13783_ADC0_CHRGICON (1 << 1)
+#define MC13783_ADC0_BATICON (1 << 2)
+#define MC13783_ADC0_RTHEN (1 << 3)
+#define MC13783_ADC0_DTHEN (1 << 4)
+#define MC13783_ADC0_UIDEN (1 << 5)
+#define MC13783_ADC0_ADOUTEN (1 << 6)
+#define MC13783_ADC0_ADOUTPER (1 << 7)
+#define MC13783_ADC0_ADREFEN (1 << 10)
+#define MC13783_ADC0_ADREFMODE (1 << 11)
+#define MC13783_ADC0_TSMOD0 (1 << 12)
+#define MC13783_ADC0_TSMOD1 (1 << 13)
+#define MC13783_ADC0_TSMOD2 (1 << 14)
+#define MC13783_ADC0_CHRGRAWDIV (1 << 15)
+#define MC13783_ADC0_ADINC1 (1 << 16)
+#define MC13783_ADC0_ADINC2 (1 << 17)
+#define MC13783_ADC0_WCOMP (1 << 18)
+#define MC13783_ADC0_ADCBIS0 (1 << 23)
+
+#define MC13783_ADC1_ADEN (1 << 0)
+#define MC13783_ADC1_RAND (1 << 1)
+#define MC13783_ADC1_ADSEL (1 << 3)
+#define MC13783_ADC1_TRIGMASK (1 << 4)
+#define MC13783_ADC1_ADA10 (1 << 5)
+#define MC13783_ADC1_ADA11 (1 << 6)
+#define MC13783_ADC1_ADA12 (1 << 7)
+#define MC13783_ADC1_ADA20 (1 << 8)
+#define MC13783_ADC1_ADA21 (1 << 9)
+#define MC13783_ADC1_ADA22 (1 << 10)
+#define MC13783_ADC1_ATO0 (1 << 11)
+#define MC13783_ADC1_ATO1 (1 << 12)
+#define MC13783_ADC1_ATO2 (1 << 13)
+#define MC13783_ADC1_ATO3 (1 << 14)
+#define MC13783_ADC1_ATO4 (1 << 15)
+#define MC13783_ADC1_ATO5 (1 << 16)
+#define MC13783_ADC1_ATO6 (1 << 17)
+#define MC13783_ADC1_ATO7 (1 << 18)
+#define MC13783_ADC1_ATOX (1 << 19)
+#define MC13783_ADC1_ASC (1 << 20)
+#define MC13783_ADC1_ADTRIGIGN (1 << 21)
+#define MC13783_ADC1_ADONESHOT (1 << 22)
+#define MC13783_ADC1_ADCBIS1 (1 << 23)
+
+#define MC13783_ADC1_CHAN0_SHIFT 5
+#define MC13783_ADC1_CHAN1_SHIFT 8
+
+#define MC13783_ADC2_ADD10 (1 << 2)
+#define MC13783_ADC2_ADD11 (1 << 3)
+#define MC13783_ADC2_ADD12 (1 << 4)
+#define MC13783_ADC2_ADD13 (1 << 5)
+#define MC13783_ADC2_ADD14 (1 << 6)
+#define MC13783_ADC2_ADD15 (1 << 7)
+#define MC13783_ADC2_ADD16 (1 << 8)
+#define MC13783_ADC2_ADD17 (1 << 9)
+#define MC13783_ADC2_ADD18 (1 << 10)
+#define MC13783_ADC2_ADD19 (1 << 11)
+#define MC13783_ADC2_ADD20 (1 << 14)
+#define MC13783_ADC2_ADD21 (1 << 15)
+#define MC13783_ADC2_ADD22 (1 << 16)
+#define MC13783_ADC2_ADD23 (1 << 17)
+#define MC13783_ADC2_ADD24 (1 << 18)
+#define MC13783_ADC2_ADD25 (1 << 19)
+#define MC13783_ADC2_ADD26 (1 << 20)
+#define MC13783_ADC2_ADD27 (1 << 21)
+#define MC13783_ADC2_ADD28 (1 << 22)
+#define MC13783_ADC2_ADD29 (1 << 23)
+
+#define MC13783_ADC3_WHIGH0 (1 << 0)
+#define MC13783_ADC3_WHIGH1 (1 << 1)
+#define MC13783_ADC3_WHIGH2 (1 << 2)
+#define MC13783_ADC3_WHIGH3 (1 << 3)
+#define MC13783_ADC3_WHIGH4 (1 << 4)
+#define MC13783_ADC3_WHIGH5 (1 << 5)
+#define MC13783_ADC3_ICID0 (1 << 6)
+#define MC13783_ADC3_ICID1 (1 << 7)
+#define MC13783_ADC3_ICID2 (1 << 8)
+#define MC13783_ADC3_WLOW0 (1 << 9)
+#define MC13783_ADC3_WLOW1 (1 << 10)
+#define MC13783_ADC3_WLOW2 (1 << 11)
+#define MC13783_ADC3_WLOW3 (1 << 12)
+#define MC13783_ADC3_WLOW4 (1 << 13)
+#define MC13783_ADC3_WLOW5 (1 << 14)
+#define MC13783_ADC3_ADCBIS2 (1 << 23)
+
+#define MC13783_ADC4_ADDBIS10 (1 << 2)
+#define MC13783_ADC4_ADDBIS11 (1 << 3)
+#define MC13783_ADC4_ADDBIS12 (1 << 4)
+#define MC13783_ADC4_ADDBIS13 (1 << 5)
+#define MC13783_ADC4_ADDBIS14 (1 << 6)
+#define MC13783_ADC4_ADDBIS15 (1 << 7)
+#define MC13783_ADC4_ADDBIS16 (1 << 8)
+#define MC13783_ADC4_ADDBIS17 (1 << 9)
+#define MC13783_ADC4_ADDBIS18 (1 << 10)
+#define MC13783_ADC4_ADDBIS19 (1 << 11)
+#define MC13783_ADC4_ADDBIS20 (1 << 14)
+#define MC13783_ADC4_ADDBIS21 (1 << 15)
+#define MC13783_ADC4_ADDBIS22 (1 << 16)
+#define MC13783_ADC4_ADDBIS23 (1 << 17)
+#define MC13783_ADC4_ADDBIS24 (1 << 18)
+#define MC13783_ADC4_ADDBIS25 (1 << 19)
+#define MC13783_ADC4_ADDBIS26 (1 << 20)
+#define MC13783_ADC4_ADDBIS27 (1 << 21)
+#define MC13783_ADC4_ADDBIS28 (1 << 22)
+#define MC13783_ADC4_ADDBIS29 (1 << 23)
+
+#endif /* __LINUX_MFD_MC13783_PRIV_H */
+
diff --git a/include/linux/mfd/mc13783.h b/include/linux/mfd/mc13783.h
new file mode 100644
index 000000000000..b3a2a7243573
--- /dev/null
+++ b/include/linux/mfd/mc13783.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * Initial development of this code was funded by
+ * Phytec Messtechnik GmbH, http://www.phytec.de
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __INCLUDE_LINUX_MFD_MC13783_H
+#define __INCLUDE_LINUX_MFD_MC13783_H
+
+struct mc13783;
+struct regulator_init_data;
+
+struct mc13783_regulator_init_data {
+ int id;
+ struct regulator_init_data *init_data;
+};
+
+struct mc13783_platform_data {
+ struct mc13783_regulator_init_data *regulators;
+ int num_regulators;
+ unsigned int flags;
+};
+
+/* mc13783_platform_data flags */
+#define MC13783_USE_TOUCHSCREEN (1 << 0)
+#define MC13783_USE_CODEC (1 << 1)
+#define MC13783_USE_ADC (1 << 2)
+#define MC13783_USE_RTC (1 << 3)
+#define MC13783_USE_REGULATOR (1 << 4)
+
+int mc13783_adc_do_conversion(struct mc13783 *mc13783, unsigned int mode,
+ unsigned int channel, unsigned int *sample);
+
+void mc13783_adc_set_ts_status(struct mc13783 *mc13783, unsigned int status);
+
+#define MC13783_SW_SW1A 0
+#define MC13783_SW_SW1B 1
+#define MC13783_SW_SW2A 2
+#define MC13783_SW_SW2B 3
+#define MC13783_SW_SW3 4
+#define MC13783_SW_PLL 5
+#define MC13783_REGU_VAUDIO 6
+#define MC13783_REGU_VIOHI 7
+#define MC13783_REGU_VIOLO 8
+#define MC13783_REGU_VDIG 9
+#define MC13783_REGU_VGEN 10
+#define MC13783_REGU_VRFDIG 11
+#define MC13783_REGU_VRFREF 12
+#define MC13783_REGU_VRFCP 13
+#define MC13783_REGU_VSIM 14
+#define MC13783_REGU_VESIM 15
+#define MC13783_REGU_VCAM 16
+#define MC13783_REGU_VRFBG 17
+#define MC13783_REGU_VVIB 18
+#define MC13783_REGU_VRF1 19
+#define MC13783_REGU_VRF2 20
+#define MC13783_REGU_VMMC1 21
+#define MC13783_REGU_VMMC2 22
+#define MC13783_REGU_GPO1 23
+#define MC13783_REGU_GPO2 24
+#define MC13783_REGU_GPO3 25
+#define MC13783_REGU_GPO4 26
+#define MC13783_REGU_V1 27
+#define MC13783_REGU_V2 28
+#define MC13783_REGU_V3 29
+#define MC13783_REGU_V4 30
+
+#endif /* __INCLUDE_LINUX_MFD_MC13783_H */
+
--
GitLab
From 295c08bc69a5dd8cef69ceaeaaf551a17f50c34b Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Wed, 19 Aug 2009 01:43:50 +0200
Subject: [PATCH 612/742] regulator: Add Freescale MC13783 driver
This driver provides basic support for the voltage regulators
integrated into the Freescale MC13783 PMIC. It is currently
only possible to enable/disable outputs, not to actually
set the voltage.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/Kconfig | 8 +
drivers/regulator/Makefile | 1 +
drivers/regulator/mc13783.c | 410 ++++++++++++++++++++++++++++++++++++
3 files changed, 419 insertions(+)
create mode 100644 drivers/regulator/mc13783.c
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 38ea5dc8e143..c505714b0a98 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -131,4 +131,12 @@ config REGULATOR_PCAP
This driver provides support for the voltage regulators of the
PCAP2 PMIC.
+config REGULATOR_MC13783
+ tristate "Support regulators on Freescale MC13783 PMIC"
+ depends on MFD_MC13783
+ help
+ Say y here to support the regulators found on the Freescale MC13783
+ PMIC.
+
endif
+
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 3a4cdf5f7935..5034830a395e 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -20,5 +20,6 @@ obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
+obj-$(CONFIG_REGULATOR_MC13783) += mc13783.o
ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG
diff --git a/drivers/regulator/mc13783.c b/drivers/regulator/mc13783.c
new file mode 100644
index 000000000000..710211f67449
--- /dev/null
+++ b/drivers/regulator/mc13783.c
@@ -0,0 +1,410 @@
+/*
+ * Regulator Driver for Freescale MC13783 PMIC
+ *
+ * Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/mfd/mc13783-private.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/driver.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/mc13783.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/err.h>
+
+struct mc13783_regulator {
+ struct regulator_desc desc;
+ int reg;
+ int enable_bit;
+};
+
+static struct regulator_ops mc13783_regulator_ops;
+
+static struct mc13783_regulator mc13783_regulators[] = {
+ [MC13783_SW_SW3] = {
+ .desc = {
+ .name = "SW_SW3",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_SW_SW3,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_SWITCHERS_5,
+ .enable_bit = MC13783_SWCTRL_SW3_EN,
+ },
+ [MC13783_SW_PLL] = {
+ .desc = {
+ .name = "SW_PLL",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_SW_PLL,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_SWITCHERS_4,
+ .enable_bit = MC13783_SWCTRL_PLL_EN,
+ },
+ [MC13783_REGU_VAUDIO] = {
+ .desc = {
+ .name = "REGU_VAUDIO",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VAUDIO,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_0,
+ .enable_bit = MC13783_REGCTRL_VAUDIO_EN,
+ },
+ [MC13783_REGU_VIOHI] = {
+ .desc = {
+ .name = "REGU_VIOHI",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VIOHI,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_0,
+ .enable_bit = MC13783_REGCTRL_VIOHI_EN,
+ },
+ [MC13783_REGU_VIOLO] = {
+ .desc = {
+ .name = "REGU_VIOLO",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VIOLO,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_0,
+ .enable_bit = MC13783_REGCTRL_VIOLO_EN,
+ },
+ [MC13783_REGU_VDIG] = {
+ .desc = {
+ .name = "REGU_VDIG",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VDIG,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_0,
+ .enable_bit = MC13783_REGCTRL_VDIG_EN,
+ },
+ [MC13783_REGU_VGEN] = {
+ .desc = {
+ .name = "REGU_VGEN",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VGEN,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_0,
+ .enable_bit = MC13783_REGCTRL_VGEN_EN,
+ },
+ [MC13783_REGU_VRFDIG] = {
+ .desc = {
+ .name = "REGU_VRFDIG",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VRFDIG,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_0,
+ .enable_bit = MC13783_REGCTRL_VRFDIG_EN,
+ },
+ [MC13783_REGU_VRFREF] = {
+ .desc = {
+ .name = "REGU_VRFREF",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VRFREF,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_0,
+ .enable_bit = MC13783_REGCTRL_VRFREF_EN,
+ },
+ [MC13783_REGU_VRFCP] = {
+ .desc = {
+ .name = "REGU_VRFCP",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VRFCP,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_0,
+ .enable_bit = MC13783_REGCTRL_VRFCP_EN,
+ },
+ [MC13783_REGU_VSIM] = {
+ .desc = {
+ .name = "REGU_VSIM",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VSIM,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_1,
+ .enable_bit = MC13783_REGCTRL_VSIM_EN,
+ },
+ [MC13783_REGU_VESIM] = {
+ .desc = {
+ .name = "REGU_VESIM",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VESIM,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_1,
+ .enable_bit = MC13783_REGCTRL_VESIM_EN,
+ },
+ [MC13783_REGU_VCAM] = {
+ .desc = {
+ .name = "REGU_VCAM",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VCAM,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_1,
+ .enable_bit = MC13783_REGCTRL_VCAM_EN,
+ },
+ [MC13783_REGU_VRFBG] = {
+ .desc = {
+ .name = "REGU_VRFBG",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VRFBG,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_1,
+ .enable_bit = MC13783_REGCTRL_VRFBG_EN,
+ },
+ [MC13783_REGU_VVIB] = {
+ .desc = {
+ .name = "REGU_VVIB",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VVIB,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_1,
+ .enable_bit = MC13783_REGCTRL_VVIB_EN,
+ },
+ [MC13783_REGU_VRF1] = {
+ .desc = {
+ .name = "REGU_VRF1",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VRF1,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_1,
+ .enable_bit = MC13783_REGCTRL_VRF1_EN,
+ },
+ [MC13783_REGU_VRF2] = {
+ .desc = {
+ .name = "REGU_VRF2",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VRF2,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_1,
+ .enable_bit = MC13783_REGCTRL_VRF2_EN,
+ },
+ [MC13783_REGU_VMMC1] = {
+ .desc = {
+ .name = "REGU_VMMC1",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VMMC1,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_1,
+ .enable_bit = MC13783_REGCTRL_VMMC1_EN,
+ },
+ [MC13783_REGU_VMMC2] = {
+ .desc = {
+ .name = "REGU_VMMC2",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_VMMC2,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_REGULATOR_MODE_1,
+ .enable_bit = MC13783_REGCTRL_VMMC2_EN,
+ },
+ [MC13783_REGU_GPO1] = {
+ .desc = {
+ .name = "REGU_GPO1",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_GPO1,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_POWER_MISCELLANEOUS,
+ .enable_bit = MC13783_REGCTRL_GPO1_EN,
+ },
+ [MC13783_REGU_GPO2] = {
+ .desc = {
+ .name = "REGU_GPO2",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_GPO2,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_POWER_MISCELLANEOUS,
+ .enable_bit = MC13783_REGCTRL_GPO2_EN,
+ },
+ [MC13783_REGU_GPO3] = {
+ .desc = {
+ .name = "REGU_GPO3",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_GPO3,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_POWER_MISCELLANEOUS,
+ .enable_bit = MC13783_REGCTRL_GPO3_EN,
+ },
+ [MC13783_REGU_GPO4] = {
+ .desc = {
+ .name = "REGU_GPO4",
+ .ops = &mc13783_regulator_ops,
+ .type = REGULATOR_VOLTAGE,
+ .id = MC13783_REGU_GPO4,
+ .owner = THIS_MODULE,
+ },
+ .reg = MC13783_REG_POWER_MISCELLANEOUS,
+ .enable_bit = MC13783_REGCTRL_GPO4_EN,
+ },
+};
+
+struct mc13783_priv {
+ struct regulator_desc desc[ARRAY_SIZE(mc13783_regulators)];
+ struct mc13783 *mc13783;
+ struct regulator_dev *regulators[0];
+};
+
+static int mc13783_enable(struct regulator_dev *rdev)
+{
+ struct mc13783_priv *priv = rdev_get_drvdata(rdev);
+ int id = rdev_get_id(rdev);
+
+ dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
+
+ return mc13783_set_bits(priv->mc13783, mc13783_regulators[id].reg,
+ mc13783_regulators[id].enable_bit,
+ mc13783_regulators[id].enable_bit);
+}
+
+static int mc13783_disable(struct regulator_dev *rdev)
+{
+ struct mc13783_priv *priv = rdev_get_drvdata(rdev);
+ int id = rdev_get_id(rdev);
+
+ dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
+
+ return mc13783_set_bits(priv->mc13783, mc13783_regulators[id].reg,
+ mc13783_regulators[id].enable_bit, 0);
+}
+
+static int mc13783_is_enabled(struct regulator_dev *rdev)
+{
+ struct mc13783_priv *priv = rdev_get_drvdata(rdev);
+ int ret, id = rdev_get_id(rdev);
+ unsigned int val;
+
+ ret = mc13783_reg_read(priv->mc13783, mc13783_regulators[id].reg, &val);
+ if (ret)
+ return ret;
+
+ return (val & mc13783_regulators[id].enable_bit) != 0;
+}
+
+static struct regulator_ops mc13783_regulator_ops = {
+ .enable = mc13783_enable,
+ .disable = mc13783_disable,
+ .is_enabled = mc13783_is_enabled,
+};
+
+static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
+{
+ struct mc13783_priv *priv;
+ struct mc13783 *mc13783 = dev_get_drvdata(pdev->dev.parent);
+ struct mc13783_regulator_init_data *init_data;
+ int i, ret;
+
+ dev_dbg(&pdev->dev, "mc13783_regulator_probe id %d\n", pdev->id);
+
+ priv = kzalloc(sizeof(*priv) + mc13783->num_regulators * sizeof(void *),
+ GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->mc13783 = mc13783;
+
+ for (i = 0; i < mc13783->num_regulators; i++) {
+ init_data = &mc13783->regulators[i];
+ priv->regulators[i] = regulator_register(
+ &mc13783_regulators[init_data->id].desc,
+ &pdev->dev, init_data->init_data, priv);
+
+ if (IS_ERR(priv->regulators[i])) {
+ dev_err(&pdev->dev, "failed to register regulator %s\n",
+ mc13783_regulators[i].desc.name);
+ ret = PTR_ERR(priv->regulators[i]);
+ goto err;
+ }
+ }
+
+ platform_set_drvdata(pdev, priv);
+
+ return 0;
+err:
+ while (--i >= 0)
+ regulator_unregister(priv->regulators[i]);
+
+ kfree(priv);
+
+ return ret;
+}
+
+static int __devexit mc13783_regulator_remove(struct platform_device *pdev)
+{
+ struct mc13783_priv *priv = platform_get_drvdata(pdev);
+ struct mc13783 *mc13783 = priv->mc13783;
+ int i;
+
+ for (i = 0; i < mc13783->num_regulators; i++)
+ regulator_unregister(priv->regulators[i]);
+
+ return 0;
+}
+
+static struct platform_driver mc13783_regulator_driver = {
+ .driver = {
+ .name = "mc13783-regulator",
+ .owner = THIS_MODULE,
+ },
+ .remove = __devexit_p(mc13783_regulator_remove),
+};
+
+static int __init mc13783_regulator_init(void)
+{
+ return platform_driver_probe(&mc13783_regulator_driver,
+ mc13783_regulator_probe);
+}
+subsys_initcall(mc13783_regulator_init);
+
+static void __exit mc13783_regulator_exit(void)
+{
+ platform_driver_unregister(&mc13783_regulator_driver);
+}
+module_exit(mc13783_regulator_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de");
+MODULE_DESCRIPTION("Regulator Driver for Freescale MC13783 PMIC");
+MODULE_ALIAS("platform:mc13783-regulator");
--
GitLab
From 12992dd89c84839167f97aae540f2ec889daf782 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Tue, 18 Aug 2009 22:52:26 +0200
Subject: [PATCH 613/742] mfd: AB3100 OTP readout
This adds the ability to read out OTP (One-Time Programmable)
registers in the AB3100 MFD ASIC. It's a simple sysfs file you
can cat to prompt. The OTP registers of the AB3100 are used to
store various device-unique information such as customer ID,
product flags and the 3GPP standard IMEI (International Mobile
Equipment Indentity) number.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/Kconfig | 9 ++
drivers/mfd/Makefile | 1 +
drivers/mfd/ab3100-otp.c | 268 +++++++++++++++++++++++++++++++++++++++
3 files changed, 278 insertions(+)
create mode 100644 drivers/mfd/ab3100-otp.c
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index a4f3dff30ba5..4fd4f913c36b 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -276,6 +276,15 @@ config AB3100_CORE
LEDs, vibrator, system power and temperature, power management
and ALSA sound.
+config AB3100_OTP
+ tristate "ST-Ericsson AB3100 OTP functions"
+ depends on AB3100_CORE
+ default y if AB3100_CORE
+ help
+ Select this to enable the AB3100 Mixed Signal IC OTP (one-time
+ programmable memory) support. This exposes a sysfs file to read
+ out OTP values.
+
config EZX_PCAP
bool "PCAP Support"
depends on GENERIC_HARDIRQS && SPI_MASTER
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 7fec04fb5f47..6a5d8cb545fc 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -48,3 +48,4 @@ obj-$(CONFIG_MFD_PCF50633) += pcf50633-core.o
obj-$(CONFIG_PCF50633_ADC) += pcf50633-adc.o
obj-$(CONFIG_PCF50633_GPIO) += pcf50633-gpio.o
obj-$(CONFIG_AB3100_CORE) += ab3100-core.o
+obj-$(CONFIG_AB3100_OTP) += ab3100-otp.o
diff --git a/drivers/mfd/ab3100-otp.c b/drivers/mfd/ab3100-otp.c
new file mode 100644
index 000000000000..0499b2031a2c
--- /dev/null
+++ b/drivers/mfd/ab3100-otp.c
@@ -0,0 +1,268 @@
+/*
+ * drivers/mfd/ab3100_otp.c
+ *
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Driver to read out OTP from the AB3100 Mixed-signal circuit
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/ab3100.h>
+#include <linux/debugfs.h>
+
+/* The OTP registers */
+#define AB3100_OTP0 0xb0
+#define AB3100_OTP1 0xb1
+#define AB3100_OTP2 0xb2
+#define AB3100_OTP3 0xb3
+#define AB3100_OTP4 0xb4
+#define AB3100_OTP5 0xb5
+#define AB3100_OTP6 0xb6
+#define AB3100_OTP7 0xb7
+#define AB3100_OTPP 0xbf
+
+/**
+ * struct ab3100_otp
+ * @dev containing device
+ * @ab3100 a pointer to the parent ab3100 device struct
+ * @locked whether the OTP is locked, after locking, no more bits
+ * can be changed but before locking it is still possible
+ * to change bits from 1->0.
+ * @freq clocking frequency for the OTP, this frequency is either
+ * 32768Hz or 1MHz/30
+ * @paf product activation flag, indicates whether this is a real
+ * product (paf true) or a lab board etc (paf false)
+ * @imeich if this is set it is possible to override the
+ * IMEI number found in the tac, fac and svn fields with
+ * (secured) software
+ * @cid customer ID
+ * @tac type allocation code of the IMEI
+ * @fac final assembly code of the IMEI
+ * @svn software version number of the IMEI
+ * @debugfs a debugfs file used when dumping to file
+ */
+struct ab3100_otp {
+ struct device *dev;
+ struct ab3100 *ab3100;
+ bool locked;
+ u32 freq;
+ bool paf;
+ bool imeich;
+ u16 cid:14;
+ u32 tac:20;
+ u8 fac;
+ u32 svn:20;
+ struct dentry *debugfs;
+};
+
+static int __init ab3100_otp_read(struct ab3100_otp *otp)
+{
+ struct ab3100 *ab = otp->ab3100;
+ u8 otpval[8];
+ u8 otpp;
+ int err;
+
+ err = ab3100_get_register_interruptible(ab, AB3100_OTPP, &otpp);
+ if (err) {
+ dev_err(otp->dev, "unable to read OTPP register\n");
+ return err;
+ }
+
+ err = ab3100_get_register_page_interruptible(ab, AB3100_OTP0,
+ otpval, 8);
+ if (err) {
+ dev_err(otp->dev, "unable to read OTP register page\n");
+ return err;
+ }
+
+ /* Cache OTP properties, they never change by nature */
+ otp->locked = (otpp & 0x80);
+ otp->freq = (otpp & 0x40) ? 32768 : 34100;
+ otp->paf = (otpval[1] & 0x80);
+ otp->imeich = (otpval[1] & 0x40);
+ otp->cid = ((otpval[1] << 8) | otpval[0]) & 0x3fff;
+ otp->tac = ((otpval[4] & 0x0f) << 16) | (otpval[3] << 8) | otpval[2];
+ otp->fac = ((otpval[5] & 0x0f) << 4) | (otpval[4] >> 4);
+ otp->svn = (otpval[7] << 12) | (otpval[6] << 4) | (otpval[5] >> 4);
+ return 0;
+}
+
+/*
+ * This is a simple debugfs human-readable file that dumps out
+ * the contents of the OTP.
+ */
+#ifdef CONFIG_DEBUGFS
+static int show_otp(struct seq_file *s, void *v)
+{
+ struct ab3100_otp *otp = s->private;
+ int err;
+
+ seq_printf(s, "OTP is %s\n", otp->locked ? "LOCKED" : "UNLOCKED");
+ seq_printf(s, "OTP clock switch startup is %uHz\n", otp->freq);
+ seq_printf(s, "PAF is %s\n", otp->paf ? "SET" : "NOT SET");
+ seq_printf(s, "IMEI is %s\n", otp->imeich ?
+ "CHANGEABLE" : "NOT CHANGEABLE");
+ seq_printf(s, "CID: 0x%04x (decimal: %d)\n", otp->cid, otp->cid);
+ seq_printf(s, "IMEI: %u-%u-%u\n", otp->tac, otp->fac, otp->svn);
+ return 0;
+}
+
+static int ab3100_otp_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ab3100_otp_show, inode->i_private);
+}
+
+static const struct file_operations ab3100_otp_operations = {
+ .open = ab3100_otp_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int __init ab3100_otp_init_debugfs(struct device *dev,
+ struct ab3100_otp *otp)
+{
+ otp->debugfs = debugfs_create_file("ab3100_otp", S_IFREG | S_IRUGO,
+ NULL, otp,
+ &ab3100_otp_operations);
+ if (!otp->debugfs) {
+ dev_err(dev, "AB3100 debugfs OTP file registration failed!\n");
+ return err;
+ }
+}
+
+static void __exit ab3100_otp_exit_debugfs(struct ab3100_otp *otp)
+{
+ debugfs_remove_file(otp->debugfs);
+}
+#else
+/* Compile this out if debugfs not selected */
+static inline int __init ab3100_otp_init_debugfs(struct device *dev,
+ struct ab3100_otp *otp)
+{
+ return 0;
+}
+
+static inline void __exit ab3100_otp_exit_debugfs(struct ab3100_otp *otp)
+{
+}
+#endif
+
+#define SHOW_AB3100_ATTR(name) \
+static ssize_t ab3100_otp_##name##_show(struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
+{\
+ struct ab3100_otp *otp = dev_get_drvdata(dev); \
+ return sprintf(buf, "%u\n", otp->name); \
+}
+
+SHOW_AB3100_ATTR(locked)
+SHOW_AB3100_ATTR(freq)
+SHOW_AB3100_ATTR(paf)
+SHOW_AB3100_ATTR(imeich)
+SHOW_AB3100_ATTR(cid)
+SHOW_AB3100_ATTR(fac)
+SHOW_AB3100_ATTR(tac)
+SHOW_AB3100_ATTR(svn)
+
+static struct device_attribute ab3100_otp_attrs[] = {
+ __ATTR(locked, S_IRUGO, ab3100_otp_locked_show, NULL),
+ __ATTR(freq, S_IRUGO, ab3100_otp_freq_show, NULL),
+ __ATTR(paf, S_IRUGO, ab3100_otp_paf_show, NULL),
+ __ATTR(imeich, S_IRUGO, ab3100_otp_imeich_show, NULL),
+ __ATTR(cid, S_IRUGO, ab3100_otp_cid_show, NULL),
+ __ATTR(fac, S_IRUGO, ab3100_otp_fac_show, NULL),
+ __ATTR(tac, S_IRUGO, ab3100_otp_tac_show, NULL),
+ __ATTR(svn, S_IRUGO, ab3100_otp_svn_show, NULL),
+};
+
+static int __init ab3100_otp_probe(struct platform_device *pdev)
+{
+ struct ab3100_otp *otp;
+ int err = 0;
+ int i;
+
+ otp = kzalloc(sizeof(struct ab3100_otp), GFP_KERNEL);
+ if (!otp) {
+ dev_err(&pdev->dev, "could not allocate AB3100 OTP device\n");
+ return -ENOMEM;
+ }
+ otp->dev = &pdev->dev;
+
+ /* Replace platform data coming in with a local struct */
+ otp->ab3100 = platform_get_drvdata(pdev);
+ platform_set_drvdata(pdev, otp);
+
+ err = ab3100_otp_read(otp);
+ if (err)
+ return err;
+
+ dev_info(&pdev->dev, "AB3100 OTP readout registered\n");
+
+ /* sysfs entries */
+ for (i = 0; i < ARRAY_SIZE(ab3100_otp_attrs); i++) {
+ err = device_create_file(&pdev->dev,
+ &ab3100_otp_attrs[i]);
+ if (err)
+ goto out_no_sysfs;
+ }
+
+ /* debugfs entries */
+ err = ab3100_otp_init_debugfs(&pdev->dev, otp);
+ if (err)
+ goto out_no_debugfs;
+
+ return 0;
+
+out_no_sysfs:
+ for (i = 0; i < ARRAY_SIZE(ab3100_otp_attrs); i++)
+ device_remove_file(&pdev->dev,
+ &ab3100_otp_attrs[i]);
+out_no_debugfs:
+ kfree(otp);
+ return err;
+}
+
+static int __exit ab3100_otp_remove(struct platform_device *pdev)
+{
+ struct ab3100_otp *otp = platform_get_drvdata(pdev);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ab3100_otp_attrs); i++)
+ device_remove_file(&pdev->dev,
+ &ab3100_otp_attrs[i]);
+ ab3100_otp_exit_debugfs(otp);
+ kfree(otp);
+ return 0;
+}
+
+static struct platform_driver ab3100_otp_driver = {
+ .driver = {
+ .name = "ab3100-otp",
+ .owner = THIS_MODULE,
+ },
+ .remove = __exit_p(ab3100_otp_remove),
+};
+
+static int __init ab3100_otp_init(void)
+{
+ return platform_driver_probe(&ab3100_otp_driver,
+ ab3100_otp_probe);
+}
+
+static void __exit ab3100_otp_exit(void)
+{
+ platform_driver_unregister(&ab3100_otp_driver);
+}
+
+module_init(ab3100_otp_init);
+module_exit(ab3100_otp_exit);
+
+MODULE_AUTHOR("Linus Walleij <linus.walleij@stericsson.com>");
+MODULE_DESCRIPTION("AB3100 OTP Readout Driver");
+MODULE_LICENSE("GPL");
--
GitLab
From ebf0bd366ed8161e6fbc919705d878ccbfd51624 Mon Sep 17 00:00:00 2001
From: Amit Kucheria <amit.kucheria@verdurent.com>
Date: Mon, 31 Aug 2009 18:32:18 +0200
Subject: [PATCH 614/742] mfd: Add support for TWL4030/5030 dynamic power
switching
The TWL4030/5030 family of multifunction devices allows board-specific
control of the the various regulators, clock and reset lines through
'scripts' that are loaded into its memory. This allows for Dynamic Power
Switching (DPS).
Implement board-independent core support for DPS that is then used by
board-specific code to load custom DPS scripts.
Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/Kconfig | 13 +
drivers/mfd/Makefile | 1 +
drivers/mfd/twl4030-core.c | 10 +
drivers/mfd/twl4030-power.c | 466 ++++++++++++++++++++++++++++++++++++
include/linux/i2c/twl4030.h | 94 +++++++-
5 files changed, 574 insertions(+), 10 deletions(-)
create mode 100644 drivers/mfd/twl4030-power.c
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 4fd4f913c36b..570be139f9df 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -108,6 +108,19 @@ config TWL4030_CORE
high speed USB OTG transceiver, an audio codec (on most
versions) and many other features.
+config TWL4030_POWER
+ bool "Support power resources on TWL4030 family chips"
+ depends on TWL4030_CORE && ARM
+ help
+ Say yes here if you want to use the power resources on the
+ TWL4030 family chips. Most of these resources are regulators,
+ which have a separate driver; some are control signals, such
+ as clock request handshaking.
+
+ This driver uses board-specific data to initialize the resources
+ and load scripts controling which resources are switched off/on
+ or reset when a sleep, wakeup or warm reset event occurs.
+
config MFD_TMIO
bool
default n
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 6a5d8cb545fc..f3b277b90d40 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_TPS65010) += tps65010.o
obj-$(CONFIG_MENELAUS) += menelaus.o
obj-$(CONFIG_TWL4030_CORE) += twl4030-core.o twl4030-irq.o
+obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o
obj-$(CONFIG_MFD_MC13783) += mc13783-core.o
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index 1fd2620819d0..e424cf6d8e9e 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -89,6 +89,12 @@
#define twl_has_madc() false
#endif
+#ifdef CONFIG_TWL4030_POWER
+#define twl_has_power() true
+#else
+#define twl_has_power() false
+#endif
+
#if defined(CONFIG_RTC_DRV_TWL4030) || defined(CONFIG_RTC_DRV_TWL4030_MODULE)
#define twl_has_rtc() true
#else
@@ -801,6 +807,10 @@ twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id)
/* setup clock framework */
clocks_init(&client->dev);
+ /* load power event scripts */
+ if (twl_has_power() && pdata->power)
+ twl4030_power_init(pdata->power);
+
/* Maybe init the T2 Interrupt subsystem */
if (client->irq
&& pdata->irq_base
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
new file mode 100644
index 000000000000..e7688b041264
--- /dev/null
+++ b/drivers/mfd/twl4030-power.c
@@ -0,0 +1,466 @@
+/*
+ * linux/drivers/i2c/chips/twl4030-power.c
+ *
+ * Handle TWL4030 Power initialization
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Copyright (C) 2006 Texas Instruments, Inc
+ *
+ * Written by Kalle Jokiniemi
+ * Peter De Schrijver <peter.de-schrijver@nokia.com>
+ * Several fixes by Amit Kucheria <amit.kucheria@verdurent.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/pm.h>
+#include <linux/i2c/twl4030.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+
+static u8 twl4030_start_script_address = 0x2b;
+
+#define PWR_P1_SW_EVENTS 0x10
+#define PWR_DEVOFF (1<<0)
+
+#define PHY_TO_OFF_PM_MASTER(p) (p - 0x36)
+#define PHY_TO_OFF_PM_RECEIVER(p) (p - 0x5b)
+
+/* resource - hfclk */
+#define R_HFCLKOUT_DEV_GRP PHY_TO_OFF_PM_RECEIVER(0xe6)
+
+/* PM events */
+#define R_P1_SW_EVENTS PHY_TO_OFF_PM_MASTER(0x46)
+#define R_P2_SW_EVENTS PHY_TO_OFF_PM_MASTER(0x47)
+#define R_P3_SW_EVENTS PHY_TO_OFF_PM_MASTER(0x48)
+#define R_CFG_P1_TRANSITION PHY_TO_OFF_PM_MASTER(0x36)
+#define R_CFG_P2_TRANSITION PHY_TO_OFF_PM_MASTER(0x37)
+#define R_CFG_P3_TRANSITION PHY_TO_OFF_PM_MASTER(0x38)
+
+#define LVL_WAKEUP 0x08
+
+#define ENABLE_WARMRESET (1<<4)
+
+#define END_OF_SCRIPT 0x3f
+
+#define R_SEQ_ADD_A2S PHY_TO_OFF_PM_MASTER(0x55)
+#define R_SEQ_ADD_S2A12 PHY_TO_OFF_PM_MASTER(0x56)
+#define R_SEQ_ADD_S2A3 PHY_TO_OFF_PM_MASTER(0x57)
+#define R_SEQ_ADD_WARM PHY_TO_OFF_PM_MASTER(0x58)
+#define R_MEMORY_ADDRESS PHY_TO_OFF_PM_MASTER(0x59)
+#define R_MEMORY_DATA PHY_TO_OFF_PM_MASTER(0x5a)
+
+#define R_PROTECT_KEY 0x0E
+#define KEY_1 0xC0
+#define KEY_2 0x0C
+
+/* resource configuration registers */
+
+#define DEVGROUP_OFFSET 0
+#define TYPE_OFFSET 1
+
+/* Bit positions */
+#define DEVGROUP_SHIFT 5
+#define DEVGROUP_MASK (7 << DEVGROUP_SHIFT)
+#define TYPE_SHIFT 0
+#define TYPE_MASK (7 << TYPE_SHIFT)
+#define TYPE2_SHIFT 3
+#define TYPE2_MASK (3 << TYPE2_SHIFT)
+
+static u8 res_config_addrs[] = {
+ [RES_VAUX1] = 0x17,
+ [RES_VAUX2] = 0x1b,
+ [RES_VAUX3] = 0x1f,
+ [RES_VAUX4] = 0x23,
+ [RES_VMMC1] = 0x27,
+ [RES_VMMC2] = 0x2b,
+ [RES_VPLL1] = 0x2f,
+ [RES_VPLL2] = 0x33,
+ [RES_VSIM] = 0x37,
+ [RES_VDAC] = 0x3b,
+ [RES_VINTANA1] = 0x3f,
+ [RES_VINTANA2] = 0x43,
+ [RES_VINTDIG] = 0x47,
+ [RES_VIO] = 0x4b,
+ [RES_VDD1] = 0x55,
+ [RES_VDD2] = 0x63,
+ [RES_VUSB_1V5] = 0x71,
+ [RES_VUSB_1V8] = 0x74,
+ [RES_VUSB_3V1] = 0x77,
+ [RES_VUSBCP] = 0x7a,
+ [RES_REGEN] = 0x7f,
+ [RES_NRES_PWRON] = 0x82,
+ [RES_CLKEN] = 0x85,
+ [RES_SYSEN] = 0x88,
+ [RES_HFCLKOUT] = 0x8b,
+ [RES_32KCLKOUT] = 0x8e,
+ [RES_RESET] = 0x91,
+ [RES_Main_Ref] = 0x94,
+};
+
+static int __init twl4030_write_script_byte(u8 address, u8 byte)
+{
+ int err;
+
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, address,
+ R_MEMORY_ADDRESS);
+ if (err)
+ goto out;
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, byte,
+ R_MEMORY_DATA);
+out:
+ return err;
+}
+
+static int __init twl4030_write_script_ins(u8 address, u16 pmb_message,
+ u8 delay, u8 next)
+{
+ int err;
+
+ address *= 4;
+ err = twl4030_write_script_byte(address++, pmb_message >> 8);
+ if (err)
+ goto out;
+ err = twl4030_write_script_byte(address++, pmb_message & 0xff);
+ if (err)
+ goto out;
+ err = twl4030_write_script_byte(address++, delay);
+ if (err)
+ goto out;
+ err = twl4030_write_script_byte(address++, next);
+out:
+ return err;
+}
+
+static int __init twl4030_write_script(u8 address, struct twl4030_ins *script,
+ int len)
+{
+ int err;
+
+ for (; len; len--, address++, script++) {
+ if (len == 1) {
+ err = twl4030_write_script_ins(address,
+ script->pmb_message,
+ script->delay,
+ END_OF_SCRIPT);
+ if (err)
+ break;
+ } else {
+ err = twl4030_write_script_ins(address,
+ script->pmb_message,
+ script->delay,
+ address + 1);
+ if (err)
+ break;
+ }
+ }
+ return err;
+}
+
+static int __init twl4030_config_wakeup3_sequence(u8 address)
+{
+ int err;
+ u8 data;
+
+ /* Set SLEEP to ACTIVE SEQ address for P3 */
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, address,
+ R_SEQ_ADD_S2A3);
+ if (err)
+ goto out;
+
+ /* P3 LVL_WAKEUP should be on LEVEL */
+ err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &data,
+ R_P3_SW_EVENTS);
+ if (err)
+ goto out;
+ data |= LVL_WAKEUP;
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, data,
+ R_P3_SW_EVENTS);
+out:
+ if (err)
+ pr_err("TWL4030 wakeup sequence for P3 config error\n");
+ return err;
+}
+
+static int __init twl4030_config_wakeup12_sequence(u8 address)
+{
+ int err = 0;
+ u8 data;
+
+ /* Set SLEEP to ACTIVE SEQ address for P1 and P2 */
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, address,
+ R_SEQ_ADD_S2A12);
+ if (err)
+ goto out;
+
+ /* P1/P2 LVL_WAKEUP should be on LEVEL */
+ err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &data,
+ R_P1_SW_EVENTS);
+ if (err)
+ goto out;
+
+ data |= LVL_WAKEUP;
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, data,
+ R_P1_SW_EVENTS);
+ if (err)
+ goto out;
+
+ err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &data,
+ R_P2_SW_EVENTS);
+ if (err)
+ goto out;
+
+ data |= LVL_WAKEUP;
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, data,
+ R_P2_SW_EVENTS);
+ if (err)
+ goto out;
+
+ if (machine_is_omap_3430sdp() || machine_is_omap_ldp()) {
+ /* Disabling AC charger effect on sleep-active transitions */
+ err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &data,
+ R_CFG_P1_TRANSITION);
+ if (err)
+ goto out;
+ data &= ~(1<<1);
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, data ,
+ R_CFG_P1_TRANSITION);
+ if (err)
+ goto out;
+ }
+
+out:
+ if (err)
+ pr_err("TWL4030 wakeup sequence for P1 and P2" \
+ "config error\n");
+ return err;
+}
+
+static int __init twl4030_config_sleep_sequence(u8 address)
+{
+ int err;
+
+ /* Set ACTIVE to SLEEP SEQ address in T2 memory*/
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, address,
+ R_SEQ_ADD_A2S);
+
+ if (err)
+ pr_err("TWL4030 sleep sequence config error\n");
+
+ return err;
+}
+
+static int __init twl4030_config_warmreset_sequence(u8 address)
+{
+ int err;
+ u8 rd_data;
+
+ /* Set WARM RESET SEQ address for P1 */
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, address,
+ R_SEQ_ADD_WARM);
+ if (err)
+ goto out;
+
+ /* P1/P2/P3 enable WARMRESET */
+ err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &rd_data,
+ R_P1_SW_EVENTS);
+ if (err)
+ goto out;
+
+ rd_data |= ENABLE_WARMRESET;
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, rd_data,
+ R_P1_SW_EVENTS);
+ if (err)
+ goto out;
+
+ err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &rd_data,
+ R_P2_SW_EVENTS);
+ if (err)
+ goto out;
+
+ rd_data |= ENABLE_WARMRESET;
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, rd_data,
+ R_P2_SW_EVENTS);
+ if (err)
+ goto out;
+
+ err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &rd_data,
+ R_P3_SW_EVENTS);
+ if (err)
+ goto out;
+
+ rd_data |= ENABLE_WARMRESET;
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, rd_data,
+ R_P3_SW_EVENTS);
+out:
+ if (err)
+ pr_err("TWL4030 warmreset seq config error\n");
+ return err;
+}
+
+static int __init twl4030_configure_resource(struct twl4030_resconfig *rconfig)
+{
+ int rconfig_addr;
+ int err;
+ u8 type;
+ u8 grp;
+
+ if (rconfig->resource > TOTAL_RESOURCES) {
+ pr_err("TWL4030 Resource %d does not exist\n",
+ rconfig->resource);
+ return -EINVAL;
+ }
+
+ rconfig_addr = res_config_addrs[rconfig->resource];
+
+ /* Set resource group */
+ err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_RECEIVER, &grp,
+ rconfig_addr + DEVGROUP_OFFSET);
+ if (err) {
+ pr_err("TWL4030 Resource %d group could not be read\n",
+ rconfig->resource);
+ return err;
+ }
+
+ if (rconfig->devgroup >= 0) {
+ grp &= ~DEVGROUP_MASK;
+ grp |= rconfig->devgroup << DEVGROUP_SHIFT;
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ grp, rconfig_addr + DEVGROUP_OFFSET);
+ if (err < 0) {
+ pr_err("TWL4030 failed to program devgroup\n");
+ return err;
+ }
+ }
+
+ /* Set resource types */
+ err = twl4030_i2c_read_u8(TWL4030_MODULE_PM_RECEIVER, &type,
+ rconfig_addr + TYPE_OFFSET);
+ if (err < 0) {
+ pr_err("TWL4030 Resource %d type could not be read\n",
+ rconfig->resource);
+ return err;
+ }
+
+ if (rconfig->type >= 0) {
+ type &= ~TYPE_MASK;
+ type |= rconfig->type << TYPE_SHIFT;
+ }
+
+ if (rconfig->type2 >= 0) {
+ type &= ~TYPE2_MASK;
+ type |= rconfig->type2 << TYPE2_SHIFT;
+ }
+
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ type, rconfig_addr + TYPE_OFFSET);
+ if (err < 0) {
+ pr_err("TWL4030 failed to program resource type\n");
+ return err;
+ }
+
+ return 0;
+}
+
+static int __init load_twl4030_script(struct twl4030_script *tscript,
+ u8 address)
+{
+ int err;
+
+ /* Make sure the script isn't going beyond last valid address (0x3f) */
+ if ((address + tscript->size) > END_OF_SCRIPT) {
+ pr_err("TWL4030 scripts too big error\n");
+ return -EINVAL;
+ }
+
+ err = twl4030_write_script(address, tscript->script, tscript->size);
+ if (err)
+ goto out;
+
+ if (tscript->flags & TWL4030_WRST_SCRIPT) {
+ err = twl4030_config_warmreset_sequence(address);
+ if (err)
+ goto out;
+ }
+ if (tscript->flags & TWL4030_WAKEUP12_SCRIPT) {
+ err = twl4030_config_wakeup12_sequence(address);
+ if (err)
+ goto out;
+ }
+ if (tscript->flags & TWL4030_WAKEUP3_SCRIPT) {
+ err = twl4030_config_wakeup3_sequence(address);
+ if (err)
+ goto out;
+ }
+ if (tscript->flags & TWL4030_SLEEP_SCRIPT)
+ err = twl4030_config_sleep_sequence(address);
+out:
+ return err;
+}
+
+void __init twl4030_power_init(struct twl4030_power_data *twl4030_scripts)
+{
+ int err = 0;
+ int i;
+ struct twl4030_resconfig *resconfig;
+ u8 address = twl4030_start_script_address;
+
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, KEY_1,
+ R_PROTECT_KEY);
+ if (err)
+ goto unlock;
+
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, KEY_2,
+ R_PROTECT_KEY);
+ if (err)
+ goto unlock;
+
+ for (i = 0; i < twl4030_scripts->num; i++) {
+ err = load_twl4030_script(twl4030_scripts->scripts[i], address);
+ if (err)
+ goto load;
+ address += twl4030_scripts->scripts[i]->size;
+ }
+
+ resconfig = twl4030_scripts->resource_config;
+ if (resconfig) {
+ while (resconfig->resource) {
+ err = twl4030_configure_resource(resconfig);
+ if (err)
+ goto resource;
+ resconfig++;
+
+ }
+ }
+
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 0, R_PROTECT_KEY);
+ if (err)
+ pr_err("TWL4030 Unable to relock registers\n");
+ return;
+
+unlock:
+ if (err)
+ pr_err("TWL4030 Unable to unlock registers\n");
+ return;
+load:
+ if (err)
+ pr_err("TWL4030 failed to load scripts\n");
+ return;
+resource:
+ if (err)
+ pr_err("TWL4030 failed to configure resource\n");
+ return;
+}
diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h
index 3fd21d7cb6bf..2d02dfd7076c 100644
--- a/include/linux/i2c/twl4030.h
+++ b/include/linux/i2c/twl4030.h
@@ -223,19 +223,28 @@ int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);
/* Power bus message definitions */
-#define DEV_GRP_NULL 0x0
-#define DEV_GRP_P1 0x1
-#define DEV_GRP_P2 0x2
-#define DEV_GRP_P3 0x4
+/* The TWL4030/5030 splits its power-management resources (the various
+ * regulators, clock and reset lines) into 3 processor groups - P1, P2 and
+ * P3. These groups can then be configured to transition between sleep, wait-on
+ * and active states by sending messages to the power bus. See Section 5.4.2
+ * Power Resources of TWL4030 TRM
+ */
-#define RES_GRP_RES 0x0
-#define RES_GRP_PP 0x1
-#define RES_GRP_RC 0x2
+/* Processor groups */
+#define DEV_GRP_NULL 0x0
+#define DEV_GRP_P1 0x1 /* P1: all OMAP devices */
+#define DEV_GRP_P2 0x2 /* P2: all Modem devices */
+#define DEV_GRP_P3 0x4 /* P3: all peripheral devices */
+
+/* Resource groups */
+#define RES_GRP_RES 0x0 /* Reserved */
+#define RES_GRP_PP 0x1 /* Power providers */
+#define RES_GRP_RC 0x2 /* Reset and control */
#define RES_GRP_PP_RC 0x3
-#define RES_GRP_PR 0x4
+#define RES_GRP_PR 0x4 /* Power references */
#define RES_GRP_PP_PR 0x5
#define RES_GRP_RC_PR 0x6
-#define RES_GRP_ALL 0x7
+#define RES_GRP_ALL 0x7 /* All resource groups */
#define RES_TYPE2_R0 0x0
@@ -246,6 +255,41 @@ int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);
#define RES_STATE_SLEEP 0x8
#define RES_STATE_OFF 0x0
+/* Power resources */
+
+/* Power providers */
+#define RES_VAUX1 1
+#define RES_VAUX2 2
+#define RES_VAUX3 3
+#define RES_VAUX4 4
+#define RES_VMMC1 5
+#define RES_VMMC2 6
+#define RES_VPLL1 7
+#define RES_VPLL2 8
+#define RES_VSIM 9
+#define RES_VDAC 10
+#define RES_VINTANA1 11
+#define RES_VINTANA2 12
+#define RES_VINTDIG 13
+#define RES_VIO 14
+#define RES_VDD1 15
+#define RES_VDD2 16
+#define RES_VUSB_1V5 17
+#define RES_VUSB_1V8 18
+#define RES_VUSB_3V1 19
+#define RES_VUSBCP 20
+#define RES_REGEN 21
+/* Reset and control */
+#define RES_NRES_PWRON 22
+#define RES_CLKEN 23
+#define RES_SYSEN 24
+#define RES_HFCLKOUT 25
+#define RES_32KCLKOUT 26
+#define RES_RESET 27
+/* Power Reference */
+#define RES_Main_Ref 28
+
+#define TOTAL_RESOURCES 28
/*
* Power Bus Message Format ... these can be sent individually by Linux,
* but are usually part of downloaded scripts that are run when various
@@ -327,6 +371,36 @@ struct twl4030_usb_data {
enum twl4030_usb_mode usb_mode;
};
+struct twl4030_ins {
+ u16 pmb_message;
+ u8 delay;
+};
+
+struct twl4030_script {
+ struct twl4030_ins *script;
+ unsigned size;
+ u8 flags;
+#define TWL4030_WRST_SCRIPT (1<<0)
+#define TWL4030_WAKEUP12_SCRIPT (1<<1)
+#define TWL4030_WAKEUP3_SCRIPT (1<<2)
+#define TWL4030_SLEEP_SCRIPT (1<<3)
+};
+
+struct twl4030_resconfig {
+ u8 resource;
+ u8 devgroup; /* Processor group that Power resource belongs to */
+ u8 type; /* Power resource addressed, 6 / broadcast message */
+ u8 type2; /* Power resource addressed, 3 / broadcast message */
+};
+
+struct twl4030_power_data {
+ struct twl4030_script **scripts;
+ unsigned num;
+ struct twl4030_resconfig *resource_config;
+};
+
+extern void twl4030_power_init(struct twl4030_power_data *triton2_scripts);
+
struct twl4030_platform_data {
unsigned irq_base, irq_end;
struct twl4030_bci_platform_data *bci;
@@ -334,6 +408,7 @@ struct twl4030_platform_data {
struct twl4030_madc_platform_data *madc;
struct twl4030_keypad_data *keypad;
struct twl4030_usb_data *usb;
+ struct twl4030_power_data *power;
/* LDO regulators */
struct regulator_init_data *vdac;
@@ -364,7 +439,6 @@ int twl4030_sih_setup(int module);
#define TWL4030_VAUX3_DEV_GRP 0x1F
#define TWL4030_VAUX3_DEDICATED 0x22
-
#if defined(CONFIG_TWL4030_BCI_BATTERY) || \
defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
extern int twl4030charger_usb_en(int enable);
--
GitLab
From 75a7456539224c5c5c254130afdb18bd7eb2286f Mon Sep 17 00:00:00 2001
From: Amit Kucheria <amit.kucheria@verdurent.com>
Date: Mon, 17 Aug 2009 17:01:56 +0300
Subject: [PATCH 615/742] mfd: Print warning for twl4030 out-of-order script
loading
When the sleep script is loaded before the wakeup script, there is a
chance that the system might go to sleep before the wakeup script
loading is completed. This will lead to a system that does not wakeup
and has been observed to cause non-booting boards.
Various options were considered to solve this problem, including
modification of the core twl4030 power code to be smart enough to
reorder the loading of the scripts. But it felt too over-engineered.
Hence this patch just warns the DPS script developer so that they may be
reordered in the board-code itself.
Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/twl4030-power.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index e7688b041264..5284c7c169a5 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -379,6 +379,7 @@ static int __init load_twl4030_script(struct twl4030_script *tscript,
u8 address)
{
int err;
+ static int order;
/* Make sure the script isn't going beyond last valid address (0x3f) */
if ((address + tscript->size) > END_OF_SCRIPT) {
@@ -399,6 +400,7 @@ static int __init load_twl4030_script(struct twl4030_script *tscript,
err = twl4030_config_wakeup12_sequence(address);
if (err)
goto out;
+ order = 1;
}
if (tscript->flags & TWL4030_WAKEUP3_SCRIPT) {
err = twl4030_config_wakeup3_sequence(address);
@@ -406,6 +408,10 @@ static int __init load_twl4030_script(struct twl4030_script *tscript,
goto out;
}
if (tscript->flags & TWL4030_SLEEP_SCRIPT)
+ if (order)
+ pr_warning("TWL4030: Bad order of scripts (sleep "\
+ "script before wakeup) Leads to boot"\
+ "failure on some boards\n");
err = twl4030_config_sleep_sequence(address);
out:
return err;
--
GitLab
From 9312fffbad5661a0ad52b5ca5a04875c763a35fa Mon Sep 17 00:00:00 2001
From: Amit Kucheria <amit.kucheria@verdurent.com>
Date: Thu, 27 Aug 2009 20:27:57 +0200
Subject: [PATCH 616/742] mfd: OMAP: Board-specifc twl4030 DPS scripts for RX51
board
Add support for Dynamic Power Switching (DPS) for the RX51 board.
These scripts are still a work-in-progress. I'll keep sending patches to
update the scripts as they are optimised.
Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
arch/arm/mach-omap2/board-rx51-peripherals.c | 122 ++++++++++++++++++-
1 file changed, 120 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 56d931a425f7..e70baa799018 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-omap2/board-rx51-flash.c
+ * linux/arch/arm/mach-omap2/board-rx51-peripherals.c
*
* Copyright (C) 2008-2009 Nokia
*
@@ -282,7 +282,124 @@ static struct twl4030_usb_data rx51_usb_data = {
.usb_mode = T2_USB_MODE_ULPI,
};
-static struct twl4030_platform_data rx51_twldata = {
+static struct twl4030_ins sleep_on_seq[] __initdata = {
+/*
+ * Turn off VDD1 and VDD2.
+ */
+ {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_OFF), 4},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_OFF), 2},
+/*
+ * And also turn off the OMAP3 PLLs and the sysclk output.
+ */
+ {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_OFF), 3},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_OFF), 3},
+};
+
+static struct twl4030_script sleep_on_script __initdata = {
+ .script = sleep_on_seq,
+ .size = ARRAY_SIZE(sleep_on_seq),
+ .flags = TWL4030_SLEEP_SCRIPT,
+};
+
+static struct twl4030_ins wakeup_seq[] __initdata = {
+/*
+ * Reenable the OMAP3 PLLs.
+ * Wakeup VDD1 and VDD2.
+ * Reenable sysclk output.
+ */
+ {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_ACTIVE), 0x30},
+ {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 0x30},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 0x37},
+ {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 3},
+};
+
+static struct twl4030_script wakeup_script __initdata = {
+ .script = wakeup_seq,
+ .size = ARRAY_SIZE(wakeup_seq),
+ .flags = TWL4030_WAKEUP12_SCRIPT,
+};
+
+static struct twl4030_ins wakeup_p3_seq[] __initdata = {
+/*
+ * Wakeup VDD1 (dummy to be able to insert a delay)
+ * Enable CLKEN
+ */
+ {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_ACTIVE), 3},
+};
+
+static struct twl4030_script wakeup_p3_script __initdata = {
+ .script = wakeup_p3_seq,
+ .size = ARRAY_SIZE(wakeup_p3_seq),
+ .flags = TWL4030_WAKEUP3_SCRIPT,
+};
+
+static struct twl4030_ins wrst_seq[] __initdata = {
+/*
+ * Reset twl4030.
+ * Reset VDD1 regulator.
+ * Reset VDD2 regulator.
+ * Reset VPLL1 regulator.
+ * Enable sysclk output.
+ * Reenable twl4030.
+ */
+ {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2},
+ {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 0, 1, RES_STATE_ACTIVE),
+ 0x13},
+ {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 2, RES_STATE_WRST), 0x13},
+ {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 3, RES_STATE_OFF), 0x13},
+ {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD1, RES_STATE_WRST), 0x13},
+ {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD2, RES_STATE_WRST), 0x13},
+ {MSG_SINGULAR(DEV_GRP_NULL, RES_VPLL1, RES_STATE_WRST), 0x35},
+ {MSG_SINGULAR(DEV_GRP_P1, RES_HFCLKOUT, RES_STATE_ACTIVE), 2},
+ {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_ACTIVE), 2},
+};
+
+static struct twl4030_script wrst_script __initdata = {
+ .script = wrst_seq,
+ .size = ARRAY_SIZE(wrst_seq),
+ .flags = TWL4030_WRST_SCRIPT,
+};
+
+static struct twl4030_script *twl4030_scripts[] __initdata = {
+ /* wakeup12 script should be loaded before sleep script, otherwise a
+ board might hit retention before loading of wakeup script is
+ completed. This can cause boot failures depending on timing issues.
+ */
+ &wakeup_script,
+ &sleep_on_script,
+ &wakeup_p3_script,
+ &wrst_script,
+};
+
+static struct twl4030_resconfig twl4030_rconfig[] __initdata = {
+ { .resource = RES_VINTANA1, .devgroup = -1, .type = -1, .type2 = 1 },
+ { .resource = RES_VINTANA2, .devgroup = -1, .type = -1, .type2 = 1 },
+ { .resource = RES_VINTDIG, .devgroup = -1, .type = -1, .type2 = 1 },
+ { .resource = RES_VMMC1, .devgroup = -1, .type = -1, .type2 = 3},
+ { .resource = RES_VMMC2, .devgroup = DEV_GRP_NULL, .type = -1,
+ .type2 = 3},
+ { .resource = RES_VAUX1, .devgroup = -1, .type = -1, .type2 = 3},
+ { .resource = RES_VAUX2, .devgroup = -1, .type = -1, .type2 = 3},
+ { .resource = RES_VAUX3, .devgroup = -1, .type = -1, .type2 = 3},
+ { .resource = RES_VAUX4, .devgroup = -1, .type = -1, .type2 = 3},
+ { .resource = RES_VPLL2, .devgroup = -1, .type = -1, .type2 = 3},
+ { .resource = RES_VDAC, .devgroup = -1, .type = -1, .type2 = 3},
+ { .resource = RES_VSIM, .devgroup = DEV_GRP_NULL, .type = -1,
+ .type2 = 3},
+ { .resource = RES_CLKEN, .devgroup = DEV_GRP_P3, .type = -1,
+ .type2 = 1 },
+ { 0, 0},
+};
+
+static struct twl4030_power_data rx51_t2scripts_data __initdata = {
+ .scripts = twl4030_scripts,
+ .num = ARRAY_SIZE(twl4030_scripts),
+ .resource_config = twl4030_rconfig,
+};
+
+
+
+static struct twl4030_platform_data rx51_twldata __initdata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
@@ -291,6 +408,7 @@ static struct twl4030_platform_data rx51_twldata = {
.keypad = &rx51_kp_data,
.madc = &rx51_madc_data,
.usb = &rx51_usb_data,
+ .power = &rx51_t2scripts_data,
.vaux1 = &rx51_vaux1,
.vaux2 = &rx51_vaux2,
--
GitLab
From 8aba721b23917bc6d374ad42bf80bde5058710e2 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Thu, 27 Aug 2009 20:49:08 +0200
Subject: [PATCH 617/742] mfd: Fix ab3100-otp build failure
ab3100.h should include linux/workqueue.h for otp to build properly.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ab3100-core.c | 1 -
include/linux/mfd/ab3100.h | 1 +
2 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index 1d8ac1a1e304..a848df77514a 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -14,7 +14,6 @@
#include <linux/platform_device.h>
#include <linux/device.h>
#include <linux/interrupt.h>
-#include <linux/workqueue.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/uaccess.h>
diff --git a/include/linux/mfd/ab3100.h b/include/linux/mfd/ab3100.h
index 56343b8013b5..3ead5cfb638c 100644
--- a/include/linux/mfd/ab3100.h
+++ b/include/linux/mfd/ab3100.h
@@ -6,6 +6,7 @@
*/
#include <linux/device.h>
+#include <linux/workqueue.h>
#ifndef MFD_AB3100_H
#define MFD_AB3100_H
--
GitLab
From bd207cfb0011389d55827b3f3181c60e8c3c7148 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Sun, 30 Aug 2009 23:49:04 +0200
Subject: [PATCH 618/742] rtc: AB3100 RTC support
This adds support for the RTC found inside the AB3100 Mixed Signal chip.
The symbols used for communicating with the chip is found in the
mfd/ab3100-core.c driver that also provides the platform device.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Alessandro Zummo <alessandro.zummo@towertech.it>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/rtc/Kconfig | 9 ++
drivers/rtc/Makefile | 1 +
drivers/rtc/rtc-ab3100.c | 281 +++++++++++++++++++++++++++++++++++++++
3 files changed, 291 insertions(+)
create mode 100644 drivers/rtc/rtc-ab3100.c
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index b136299a237e..73771b09fbd3 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -545,6 +545,15 @@ config RTC_DRV_PCF50633
If you say yes here you get support for the RTC subsystem of the
NXP PCF50633 used in embedded systems.
+config RTC_DRV_AB3100
+ tristate "ST-Ericsson AB3100 RTC"
+ depends on AB3100_CORE
+ default y if AB3100_CORE
+ help
+ Select this to enable the ST-Ericsson AB3100 Mixed Signal IC RTC
+ support. This chip contains a battery- and capacitor-backed RTC.
+
+
comment "on-CPU RTC drivers"
config RTC_DRV_OMAP
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index f3e573509092..5e152ffe5058 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -17,6 +17,7 @@ rtc-core-$(CONFIG_RTC_INTF_SYSFS) += rtc-sysfs.o
# Keep the list ordered.
+obj-$(CONFIG_RTC_DRV_AB3100) += rtc-ab3100.o
obj-$(CONFIG_RTC_DRV_AT32AP700X)+= rtc-at32ap700x.o
obj-$(CONFIG_RTC_DRV_AT91RM9200)+= rtc-at91rm9200.o
obj-$(CONFIG_RTC_DRV_AT91SAM9) += rtc-at91sam9.o
diff --git a/drivers/rtc/rtc-ab3100.c b/drivers/rtc/rtc-ab3100.c
new file mode 100644
index 000000000000..4704aac2b5af
--- /dev/null
+++ b/drivers/rtc/rtc-ab3100.c
@@ -0,0 +1,281 @@
+/*
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * RTC clock driver for the AB3100 Analog Baseband Chip
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+#include <linux/mfd/ab3100.h>
+
+/* Clock rate in Hz */
+#define AB3100_RTC_CLOCK_RATE 32768
+
+/*
+ * The AB3100 RTC registers. These are the same for
+ * AB3000 and AB3100.
+ * Control register:
+ * Bit 0: RTC Monitor cleared=0, active=1, if you set it
+ * to 1 it remains active until RTC power is lost.
+ * Bit 1: 32 kHz Oscillator, 0 = on, 1 = bypass
+ * Bit 2: Alarm on, 0 = off, 1 = on
+ * Bit 3: 32 kHz buffer disabling, 0 = enabled, 1 = disabled
+ */
+#define AB3100_RTC 0x53
+/* default setting, buffer disabled, alarm on */
+#define RTC_SETTING 0x30
+/* Alarm when AL0-AL3 == TI0-TI3 */
+#define AB3100_AL0 0x56
+#define AB3100_AL1 0x57
+#define AB3100_AL2 0x58
+#define AB3100_AL3 0x59
+/* This 48-bit register that counts up at 32768 Hz */
+#define AB3100_TI0 0x5a
+#define AB3100_TI1 0x5b
+#define AB3100_TI2 0x5c
+#define AB3100_TI3 0x5d
+#define AB3100_TI4 0x5e
+#define AB3100_TI5 0x5f
+
+/*
+ * RTC clock functions and device struct declaration
+ */
+static int ab3100_rtc_set_mmss(struct device *dev, unsigned long secs)
+{
+ struct ab3100 *ab3100_data = dev_get_drvdata(dev);
+ u8 regs[] = {AB3100_TI0, AB3100_TI1, AB3100_TI2,
+ AB3100_TI3, AB3100_TI4, AB3100_TI5};
+ unsigned char buf[6];
+ u64 fat_time = (u64) secs * AB3100_RTC_CLOCK_RATE * 2;
+ int err = 0;
+ int i;
+
+ buf[0] = (fat_time) & 0xFF;
+ buf[1] = (fat_time >> 8) & 0xFF;
+ buf[2] = (fat_time >> 16) & 0xFF;
+ buf[3] = (fat_time >> 24) & 0xFF;
+ buf[4] = (fat_time >> 32) & 0xFF;
+ buf[5] = (fat_time >> 40) & 0xFF;
+
+ for (i = 0; i < 6; i++) {
+ err = ab3100_set_register_interruptible(ab3100_data,
+ regs[i], buf[i]);
+ if (err)
+ return err;
+ }
+
+ /* Set the flag to mark that the clock is now set */
+ return ab3100_mask_and_set_register_interruptible(ab3100_data,
+ AB3100_RTC,
+ 0xFE, 0x01);
+
+}
+
+static int ab3100_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+ struct ab3100 *ab3100_data = dev_get_drvdata(dev);
+ unsigned long time;
+ u8 rtcval;
+ int err;
+
+ err = ab3100_get_register_interruptible(ab3100_data,
+ AB3100_RTC, &rtcval);
+ if (err)
+ return err;
+
+ if (!(rtcval & 0x01)) {
+ dev_info(dev, "clock not set (lost power)");
+ return -EINVAL;
+ } else {
+ u64 fat_time;
+ u8 buf[6];
+
+ /* Read out time registers */
+ err = ab3100_get_register_page_interruptible(ab3100_data,
+ AB3100_TI0,
+ buf, 6);
+ if (err != 0)
+ return err;
+
+ fat_time = ((u64) buf[5] << 40) | ((u64) buf[4] << 32) |
+ ((u64) buf[3] << 24) | ((u64) buf[2] << 16) |
+ ((u64) buf[1] << 8) | (u64) buf[0];
+ time = (unsigned long) (fat_time /
+ (u64) (AB3100_RTC_CLOCK_RATE * 2));
+ }
+
+ rtc_time_to_tm(time, tm);
+
+ return rtc_valid_tm(tm);
+}
+
+static int ab3100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
+{
+ struct ab3100 *ab3100_data = dev_get_drvdata(dev);
+ unsigned long time;
+ u64 fat_time;
+ u8 buf[6];
+ u8 rtcval;
+ int err;
+
+ /* Figure out if alarm is enabled or not */
+ err = ab3100_get_register_interruptible(ab3100_data,
+ AB3100_RTC, &rtcval);
+ if (err)
+ return err;
+ if (rtcval & 0x04)
+ alarm->enabled = 1;
+ else
+ alarm->enabled = 0;
+ /* No idea how this could be represented */
+ alarm->pending = 0;
+ /* Read out alarm registers, only 4 bytes */
+ err = ab3100_get_register_page_interruptible(ab3100_data,
+ AB3100_AL0, buf, 4);
+ if (err)
+ return err;
+ fat_time = ((u64) buf[3] << 40) | ((u64) buf[2] << 32) |
+ ((u64) buf[1] << 24) | ((u64) buf[0] << 16);
+ time = (unsigned long) (fat_time / (u64) (AB3100_RTC_CLOCK_RATE * 2));
+
+ rtc_time_to_tm(time, &alarm->time);
+
+ return rtc_valid_tm(&alarm->time);
+}
+
+static int ab3100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
+{
+ struct ab3100 *ab3100_data = dev_get_drvdata(dev);
+ u8 regs[] = {AB3100_AL0, AB3100_AL1, AB3100_AL2, AB3100_AL3};
+ unsigned char buf[4];
+ unsigned long secs;
+ u64 fat_time;
+ int err;
+ int i;
+
+ rtc_tm_to_time(&alarm->time, &secs);
+ fat_time = (u64) secs * AB3100_RTC_CLOCK_RATE * 2;
+ buf[0] = (fat_time >> 16) & 0xFF;
+ buf[1] = (fat_time >> 24) & 0xFF;
+ buf[2] = (fat_time >> 32) & 0xFF;
+ buf[3] = (fat_time >> 40) & 0xFF;
+
+ /* Set the alarm */
+ for (i = 0; i < 4; i++) {
+ err = ab3100_set_register_interruptible(ab3100_data,
+ regs[i], buf[i]);
+ if (err)
+ return err;
+ }
+ /* Then enable the alarm */
+ return ab3100_mask_and_set_register_interruptible(ab3100_data,
+ AB3100_RTC, ~(1 << 2),
+ alarm->enabled << 2);
+}
+
+static int ab3100_rtc_irq_enable(struct device *dev, unsigned int enabled)
+{
+ struct ab3100 *ab3100_data = dev_get_drvdata(dev);
+
+ /*
+ * It's not possible to enable/disable the alarm IRQ for this RTC.
+ * It does not actually trigger any IRQ: instead its only function is
+ * to power up the system, if it wasn't on. This will manifest as
+ * a "power up cause" in the AB3100 power driver (battery charging etc)
+ * and need to be handled there instead.
+ */
+ if (enabled)
+ return ab3100_mask_and_set_register_interruptible(ab3100_data,
+ AB3100_RTC, ~(1 << 2),
+ 1 << 2);
+ else
+ return ab3100_mask_and_set_register_interruptible(ab3100_data,
+ AB3100_RTC, ~(1 << 2),
+ 0);
+}
+
+static const struct rtc_class_ops ab3100_rtc_ops = {
+ .read_time = ab3100_rtc_read_time,
+ .set_mmss = ab3100_rtc_set_mmss,
+ .read_alarm = ab3100_rtc_read_alarm,
+ .set_alarm = ab3100_rtc_set_alarm,
+ .alarm_irq_enable = ab3100_rtc_irq_enable,
+};
+
+static int __init ab3100_rtc_probe(struct platform_device *pdev)
+{
+ int err;
+ u8 regval;
+ struct rtc_device *rtc;
+ struct ab3100 *ab3100_data = platform_get_drvdata(pdev);
+
+ /* The first RTC register needs special treatment */
+ err = ab3100_get_register_interruptible(ab3100_data,
+ AB3100_RTC, ®val);
+ if (err) {
+ dev_err(&pdev->dev, "unable to read RTC register\n");
+ return -ENODEV;
+ }
+
+ if ((regval & 0xFE) != RTC_SETTING) {
+ dev_warn(&pdev->dev, "not default value in RTC reg 0x%x\n",
+ regval);
+ }
+
+ if ((regval & 1) == 0) {
+ /*
+ * Set bit to detect power loss.
+ * This bit remains until RTC power is lost.
+ */
+ regval = 1 | RTC_SETTING;
+ err = ab3100_set_register_interruptible(ab3100_data,
+ AB3100_RTC, regval);
+ /* Ignore any error on this write */
+ }
+
+ rtc = rtc_device_register("ab3100-rtc", &pdev->dev, &ab3100_rtc_ops,
+ THIS_MODULE);
+ if (IS_ERR(rtc)) {
+ err = PTR_ERR(rtc);
+ return err;
+ }
+
+ return 0;
+}
+
+static int __exit ab3100_rtc_remove(struct platform_device *pdev)
+{
+ struct rtc_device *rtc = platform_get_drvdata(pdev);
+
+ rtc_device_unregister(rtc);
+ return 0;
+}
+
+static struct platform_driver ab3100_rtc_driver = {
+ .driver = {
+ .name = "ab3100-rtc",
+ .owner = THIS_MODULE,
+ },
+ .remove = __exit_p(ab3100_rtc_remove),
+};
+
+static int __init ab3100_rtc_init(void)
+{
+ return platform_driver_probe(&ab3100_rtc_driver,
+ ab3100_rtc_probe);
+}
+
+static void __exit ab3100_rtc_exit(void)
+{
+ platform_driver_unregister(&ab3100_rtc_driver);
+}
+
+module_init(ab3100_rtc_init);
+module_exit(ab3100_rtc_exit);
+
+MODULE_AUTHOR("Linus Walleij <linus.walleij@stericsson.com>");
+MODULE_DESCRIPTION("AB3100 RTC Driver");
+MODULE_LICENSE("GPL");
--
GitLab
From d619bc143e311a738113dbbe7792bd032403939f Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Wed, 9 Sep 2009 11:31:00 +0200
Subject: [PATCH 619/742] regulator: AB3100 support
This adds support for the regulators found in the AB3100
Mixed-Signal IC.
It further also defines platform data for the ST-Ericsson
U300 platform and extends the AB3100 MFD driver so that
platform/board data with regulation constraints and an init
function can be passed down all the way from the board to
the regulators.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/ab3100-core.c | 4 +
drivers/regulator/Kconfig | 9 +
drivers/regulator/Makefile | 1 +
drivers/regulator/ab3100.c | 694 +++++++++++++++++++++++++++++++++++++
include/linux/mfd/ab3100.h | 28 ++
5 files changed, 736 insertions(+)
create mode 100644 drivers/regulator/ab3100.c
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index a848df77514a..c533f86ff5ea 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -837,6 +837,8 @@ static int __init ab3100_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct ab3100 *ab3100;
+ struct ab3100_platform_data *ab3100_plf_data =
+ client->dev.platform_data;
int err;
int i;
@@ -920,6 +922,8 @@ static int __init ab3100_probe(struct i2c_client *client,
for (i = 0; i < ARRAY_SIZE(ab3100_platform_devs); i++) {
ab3100_platform_devs[i]->dev.parent =
&client->dev;
+ ab3100_platform_devs[i]->dev.platform_data =
+ ab3100_plf_data;
platform_set_drvdata(ab3100_platform_devs[i], ab3100);
}
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index c505714b0a98..2dc42bbf6fe9 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -138,5 +138,14 @@ config REGULATOR_MC13783
Say y here to support the regulators found on the Freescale MC13783
PMIC.
+config REGULATOR_AB3100
+ tristate "ST-Ericsson AB3100 Regulator functions"
+ depends on AB3100_CORE
+ default y if AB3100_CORE
+ help
+ These regulators correspond to functionality in the
+ AB3100 analog baseband dealing with power regulators
+ for the system.
+
endif
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 5034830a395e..768b3316d6eb 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -21,5 +21,6 @@ obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
obj-$(CONFIG_REGULATOR_MC13783) += mc13783.o
+obj-$(CONFIG_REGULATOR_AB3100) += ab3100.o
ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
new file mode 100644
index 000000000000..156979d1f41e
--- /dev/null
+++ b/drivers/regulator/ab3100.c
@@ -0,0 +1,694 @@
+/*
+ * drivers/regulator/ab3100.c
+ *
+ * Copyright (C) 2008-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Low-level control of the AB3100 IC Low Dropout (LDO)
+ * regulators, external regulator and buck converter
+ * Author: Mattias Wallin <mattias.wallin@stericsson.com>
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/mfd/ab3100.h>
+
+/* LDO registers and some handy masking definitions for AB3100 */
+#define AB3100_LDO_A 0x40
+#define AB3100_LDO_C 0x41
+#define AB3100_LDO_D 0x42
+#define AB3100_LDO_E 0x43
+#define AB3100_LDO_E_SLEEP 0x44
+#define AB3100_LDO_F 0x45
+#define AB3100_LDO_G 0x46
+#define AB3100_LDO_H 0x47
+#define AB3100_LDO_H_SLEEP_MODE 0
+#define AB3100_LDO_H_SLEEP_EN 2
+#define AB3100_LDO_ON 4
+#define AB3100_LDO_H_VSEL_AC 5
+#define AB3100_LDO_K 0x48
+#define AB3100_LDO_EXT 0x49
+#define AB3100_BUCK 0x4A
+#define AB3100_BUCK_SLEEP 0x4B
+#define AB3100_REG_ON_MASK 0x10
+
+/**
+ * struct ab3100_regulator
+ * A struct passed around the individual regulator functions
+ * @platform_device: platform device holding this regulator
+ * @ab3100: handle to the AB3100 parent chip
+ * @plfdata: AB3100 platform data passed in at probe time
+ * @regreg: regulator register number in the AB3100
+ * @fixed_voltage: a fixed voltage for this regulator, if this
+ * 0 the voltages array is used instead.
+ * @typ_voltages: an array of available typical voltages for
+ * this regulator
+ * @voltages_len: length of the array of available voltages
+ */
+struct ab3100_regulator {
+ struct regulator_dev *rdev;
+ struct ab3100 *ab3100;
+ struct ab3100_platform_data *plfdata;
+ u8 regreg;
+ int fixed_voltage;
+ int const *typ_voltages;
+ u8 voltages_len;
+};
+
+/* The order in which registers are initialized */
+static const u8 ab3100_reg_init_order[AB3100_NUM_REGULATORS+2] = {
+ AB3100_LDO_A,
+ AB3100_LDO_C,
+ AB3100_LDO_E,
+ AB3100_LDO_E_SLEEP,
+ AB3100_LDO_F,
+ AB3100_LDO_G,
+ AB3100_LDO_H,
+ AB3100_LDO_K,
+ AB3100_LDO_EXT,
+ AB3100_BUCK,
+ AB3100_BUCK_SLEEP,
+ AB3100_LDO_D,
+};
+
+/* Preset (hardware defined) voltages for these regulators */
+#define LDO_A_VOLTAGE 2750000
+#define LDO_C_VOLTAGE 2650000
+#define LDO_D_VOLTAGE 2650000
+
+static const int const ldo_e_buck_typ_voltages[] = {
+ 1800000,
+ 1400000,
+ 1300000,
+ 1200000,
+ 1100000,
+ 1050000,
+ 900000,
+};
+
+static const int const ldo_f_typ_voltages[] = {
+ 1800000,
+ 1400000,
+ 1300000,
+ 1200000,
+ 1100000,
+ 1050000,
+ 2500000,
+ 2650000,
+};
+
+static const int const ldo_g_typ_voltages[] = {
+ 2850000,
+ 2750000,
+ 1800000,
+ 1500000,
+};
+
+static const int const ldo_h_typ_voltages[] = {
+ 2750000,
+ 1800000,
+ 1500000,
+ 1200000,
+};
+
+static const int const ldo_k_typ_voltages[] = {
+ 2750000,
+ 1800000,
+};
+
+
+/* The regulator devices */
+static struct ab3100_regulator
+ab3100_regulators[AB3100_NUM_REGULATORS] = {
+ {
+ .regreg = AB3100_LDO_A,
+ .fixed_voltage = LDO_A_VOLTAGE,
+ },
+ {
+ .regreg = AB3100_LDO_C,
+ .fixed_voltage = LDO_C_VOLTAGE,
+ },
+ {
+ .regreg = AB3100_LDO_D,
+ .fixed_voltage = LDO_D_VOLTAGE,
+ },
+ {
+ .regreg = AB3100_LDO_E,
+ .typ_voltages = ldo_e_buck_typ_voltages,
+ .voltages_len = ARRAY_SIZE(ldo_e_buck_typ_voltages),
+ },
+ {
+ .regreg = AB3100_LDO_F,
+ .typ_voltages = ldo_f_typ_voltages,
+ .voltages_len = ARRAY_SIZE(ldo_f_typ_voltages),
+ },
+ {
+ .regreg = AB3100_LDO_G,
+ .typ_voltages = ldo_g_typ_voltages,
+ .voltages_len = ARRAY_SIZE(ldo_g_typ_voltages),
+ },
+ {
+ .regreg = AB3100_LDO_H,
+ .typ_voltages = ldo_h_typ_voltages,
+ .voltages_len = ARRAY_SIZE(ldo_h_typ_voltages),
+ },
+ {
+ .regreg = AB3100_LDO_K,
+ .typ_voltages = ldo_k_typ_voltages,
+ .voltages_len = ARRAY_SIZE(ldo_k_typ_voltages),
+ },
+ {
+ .regreg = AB3100_LDO_EXT,
+ /* No voltages for the external regulator */
+ },
+ {
+ .regreg = AB3100_BUCK,
+ .typ_voltages = ldo_e_buck_typ_voltages,
+ .voltages_len = ARRAY_SIZE(ldo_e_buck_typ_voltages),
+ },
+};
+
+/*
+ * General functions for enable, disable and is_enabled used for
+ * LDO: A,C,E,F,G,H,K,EXT and BUCK
+ */
+static int ab3100_enable_regulator(struct regulator_dev *reg)
+{
+ struct ab3100_regulator *abreg = reg->reg_data;
+ int err;
+ u8 regval;
+
+ err = ab3100_get_register_interruptible(abreg->ab3100, abreg->regreg,
+ ®val);
+ if (err) {
+ dev_warn(®->dev, "failed to get regid %d value\n",
+ abreg->regreg);
+ return err;
+ }
+
+ /* The regulator is already on, no reason to go further */
+ if (regval & AB3100_REG_ON_MASK)
+ return 0;
+
+ regval |= AB3100_REG_ON_MASK;
+
+ err = ab3100_set_register_interruptible(abreg->ab3100, abreg->regreg,
+ regval);
+ if (err) {
+ dev_warn(®->dev, "failed to set regid %d value\n",
+ abreg->regreg);
+ return err;
+ }
+
+ /* Per-regulator power on delay from spec */
+ switch (abreg->regreg) {
+ case AB3100_LDO_A: /* Fallthrough */
+ case AB3100_LDO_C: /* Fallthrough */
+ case AB3100_LDO_D: /* Fallthrough */
+ case AB3100_LDO_E: /* Fallthrough */
+ case AB3100_LDO_H: /* Fallthrough */
+ case AB3100_LDO_K:
+ udelay(200);
+ break;
+ case AB3100_LDO_F:
+ udelay(600);
+ break;
+ case AB3100_LDO_G:
+ udelay(400);
+ break;
+ case AB3100_BUCK:
+ mdelay(1);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int ab3100_disable_regulator(struct regulator_dev *reg)
+{
+ struct ab3100_regulator *abreg = reg->reg_data;
+ int err;
+ u8 regval;
+
+ /*
+ * LDO D is a special regulator. When it is disabled, the entire
+ * system is shut down. So this is handled specially.
+ */
+ if (abreg->regreg == AB3100_LDO_D) {
+ int i;
+
+ dev_info(®->dev, "disabling LDO D - shut down system\n");
+ /*
+ * Set regulators to default values, ignore any errors,
+ * we're going DOWN
+ */
+ for (i = 0; i < ARRAY_SIZE(ab3100_reg_init_order); i++) {
+ (void) ab3100_set_register_interruptible(abreg->ab3100,
+ ab3100_reg_init_order[i],
+ abreg->plfdata->reg_initvals[i]);
+ }
+
+ /* Setting LDO D to 0x00 cuts the power to the SoC */
+ return ab3100_set_register_interruptible(abreg->ab3100,
+ AB3100_LDO_D, 0x00U);
+
+ }
+
+ /*
+ * All other regulators are handled here
+ */
+ err = ab3100_get_register_interruptible(abreg->ab3100, abreg->regreg,
+ ®val);
+ if (err) {
+ dev_err(®->dev, "unable to get register 0x%x\n",
+ abreg->regreg);
+ return err;
+ }
+ regval &= ~AB3100_REG_ON_MASK;
+ return ab3100_set_register_interruptible(abreg->ab3100, abreg->regreg,
+ regval);
+}
+
+static int ab3100_is_enabled_regulator(struct regulator_dev *reg)
+{
+ struct ab3100_regulator *abreg = reg->reg_data;
+ u8 regval;
+ int err;
+
+ err = ab3100_get_register_interruptible(abreg->ab3100, abreg->regreg,
+ ®val);
+ if (err) {
+ dev_err(®->dev, "unable to get register 0x%x\n",
+ abreg->regreg);
+ return err;
+ }
+
+ return regval & AB3100_REG_ON_MASK;
+}
+
+static int ab3100_list_voltage_regulator(struct regulator_dev *reg,
+ unsigned selector)
+{
+ struct ab3100_regulator *abreg = reg->reg_data;
+
+ if (selector > abreg->voltages_len)
+ return -EINVAL;
+ return abreg->typ_voltages[selector];
+}
+
+static int ab3100_get_voltage_regulator(struct regulator_dev *reg)
+{
+ struct ab3100_regulator *abreg = reg->reg_data;
+ u8 regval;
+ int err;
+
+ /* Return the voltage for fixed regulators immediately */
+ if (abreg->fixed_voltage)
+ return abreg->fixed_voltage;
+
+ /*
+ * For variable types, read out setting and index into
+ * supplied voltage list.
+ */
+ err = ab3100_get_register_interruptible(abreg->ab3100,
+ abreg->regreg, ®val);
+ if (err) {
+ dev_warn(®->dev,
+ "failed to get regulator value in register %02x\n",
+ abreg->regreg);
+ return err;
+ }
+
+ /* The 3 highest bits index voltages */
+ regval &= 0xE0;
+ regval >>= 5;
+
+ if (regval > abreg->voltages_len) {
+ dev_err(®->dev,
+ "regulator register %02x contains an illegal voltage setting\n",
+ abreg->regreg);
+ return -EINVAL;
+ }
+
+ return abreg->typ_voltages[regval];
+}
+
+static int ab3100_get_best_voltage_index(struct regulator_dev *reg,
+ int min_uV, int max_uV)
+{
+ struct ab3100_regulator *abreg = reg->reg_data;
+ int i;
+ int bestmatch;
+ int bestindex;
+
+ /*
+ * Locate the minimum voltage fitting the criteria on
+ * this regulator. The switchable voltages are not
+ * in strict falling order so we need to check them
+ * all for the best match.
+ */
+ bestmatch = INT_MAX;
+ bestindex = -1;
+ for (i = 0; i < abreg->voltages_len; i++) {
+ if (abreg->typ_voltages[i] <= max_uV &&
+ abreg->typ_voltages[i] >= min_uV &&
+ abreg->typ_voltages[i] < bestmatch) {
+ bestmatch = abreg->typ_voltages[i];
+ bestindex = i;
+ }
+ }
+
+ if (bestindex < 0) {
+ dev_warn(®->dev, "requested %d<=x<=%d uV, out of range!\n",
+ min_uV, max_uV);
+ return -EINVAL;
+ }
+ return bestindex;
+}
+
+static int ab3100_set_voltage_regulator(struct regulator_dev *reg,
+ int min_uV, int max_uV)
+{
+ struct ab3100_regulator *abreg = reg->reg_data;
+ u8 regval;
+ int err;
+ int bestindex;
+
+ bestindex = ab3100_get_best_voltage_index(reg, min_uV, max_uV);
+ if (bestindex < 0)
+ return bestindex;
+
+ err = ab3100_get_register_interruptible(abreg->ab3100,
+ abreg->regreg, ®val);
+ if (err) {
+ dev_warn(®->dev,
+ "failed to get regulator register %02x\n",
+ abreg->regreg);
+ return err;
+ }
+
+ /* The highest three bits control the variable regulators */
+ regval &= ~0xE0;
+ regval |= (bestindex << 5);
+
+ err = ab3100_set_register_interruptible(abreg->ab3100,
+ abreg->regreg, regval);
+ if (err)
+ dev_warn(®->dev, "failed to set regulator register %02x\n",
+ abreg->regreg);
+
+ return err;
+}
+
+static int ab3100_set_suspend_voltage_regulator(struct regulator_dev *reg,
+ int uV)
+{
+ struct ab3100_regulator *abreg = reg->reg_data;
+ u8 regval;
+ int err;
+ int bestindex;
+ u8 targetreg;
+
+ if (abreg->regreg == AB3100_LDO_E)
+ targetreg = AB3100_LDO_E_SLEEP;
+ else if (abreg->regreg == AB3100_BUCK)
+ targetreg = AB3100_BUCK_SLEEP;
+ else
+ return -EINVAL;
+
+ /* LDO E and BUCK have special suspend voltages you can set */
+ bestindex = ab3100_get_best_voltage_index(reg, uV, uV);
+
+ err = ab3100_get_register_interruptible(abreg->ab3100,
+ targetreg, ®val);
+ if (err) {
+ dev_warn(®->dev,
+ "failed to get regulator register %02x\n",
+ targetreg);
+ return err;
+ }
+
+ /* The highest three bits control the variable regulators */
+ regval &= ~0xE0;
+ regval |= (bestindex << 5);
+
+ err = ab3100_set_register_interruptible(abreg->ab3100,
+ targetreg, regval);
+ if (err)
+ dev_warn(®->dev, "failed to set regulator register %02x\n",
+ abreg->regreg);
+
+ return err;
+}
+
+/*
+ * The external regulator can just define a fixed voltage.
+ */
+static int ab3100_get_voltage_regulator_external(struct regulator_dev *reg)
+{
+ struct ab3100_regulator *abreg = reg->reg_data;
+
+ return abreg->plfdata->external_voltage;
+}
+
+static struct regulator_ops regulator_ops_fixed = {
+ .enable = ab3100_enable_regulator,
+ .disable = ab3100_disable_regulator,
+ .is_enabled = ab3100_is_enabled_regulator,
+ .get_voltage = ab3100_get_voltage_regulator,
+};
+
+static struct regulator_ops regulator_ops_variable = {
+ .enable = ab3100_enable_regulator,
+ .disable = ab3100_disable_regulator,
+ .is_enabled = ab3100_is_enabled_regulator,
+ .get_voltage = ab3100_get_voltage_regulator,
+ .set_voltage = ab3100_set_voltage_regulator,
+ .list_voltage = ab3100_list_voltage_regulator,
+};
+
+static struct regulator_ops regulator_ops_variable_sleepable = {
+ .enable = ab3100_enable_regulator,
+ .disable = ab3100_disable_regulator,
+ .is_enabled = ab3100_is_enabled_regulator,
+ .get_voltage = ab3100_get_voltage_regulator,
+ .set_voltage = ab3100_set_voltage_regulator,
+ .set_suspend_voltage = ab3100_set_suspend_voltage_regulator,
+ .list_voltage = ab3100_list_voltage_regulator,
+};
+
+/*
+ * LDO EXT is an external regulator so it is really
+ * not possible to set any voltage locally here, AB3100
+ * is an on/off switch plain an simple. The external
+ * voltage is defined in the board set-up if any.
+ */
+static struct regulator_ops regulator_ops_external = {
+ .enable = ab3100_enable_regulator,
+ .disable = ab3100_disable_regulator,
+ .is_enabled = ab3100_is_enabled_regulator,
+ .get_voltage = ab3100_get_voltage_regulator_external,
+};
+
+static struct regulator_desc
+ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
+ {
+ .name = "LDO_A",
+ .id = AB3100_LDO_A,
+ .ops = ®ulator_ops_fixed,
+ .type = REGULATOR_VOLTAGE,
+ },
+ {
+ .name = "LDO_C",
+ .id = AB3100_LDO_C,
+ .ops = ®ulator_ops_fixed,
+ .type = REGULATOR_VOLTAGE,
+ },
+ {
+ .name = "LDO_D",
+ .id = AB3100_LDO_D,
+ .ops = ®ulator_ops_fixed,
+ .type = REGULATOR_VOLTAGE,
+ },
+ {
+ .name = "LDO_E",
+ .id = AB3100_LDO_E,
+ .ops = ®ulator_ops_variable_sleepable,
+ .type = REGULATOR_VOLTAGE,
+ },
+ {
+ .name = "LDO_F",
+ .id = AB3100_LDO_F,
+ .ops = ®ulator_ops_variable,
+ .type = REGULATOR_VOLTAGE,
+ },
+ {
+ .name = "LDO_G",
+ .id = AB3100_LDO_G,
+ .ops = ®ulator_ops_variable,
+ .type = REGULATOR_VOLTAGE,
+ },
+ {
+ .name = "LDO_H",
+ .id = AB3100_LDO_H,
+ .ops = ®ulator_ops_variable,
+ .type = REGULATOR_VOLTAGE,
+ },
+ {
+ .name = "LDO_K",
+ .id = AB3100_LDO_K,
+ .ops = ®ulator_ops_variable,
+ .type = REGULATOR_VOLTAGE,
+ },
+ {
+ .name = "LDO_EXT",
+ .id = AB3100_LDO_EXT,
+ .ops = ®ulator_ops_external,
+ .type = REGULATOR_VOLTAGE,
+ },
+ {
+ .name = "BUCK",
+ .id = AB3100_BUCK,
+ .ops = ®ulator_ops_variable_sleepable,
+ .type = REGULATOR_VOLTAGE,
+ },
+};
+
+/*
+ * NOTE: the following functions are regulators pluralis - it is the
+ * binding to the AB3100 core driver and the parent platform device
+ * for all the different regulators.
+ */
+
+static int __init ab3100_regulators_probe(struct platform_device *pdev)
+{
+ struct ab3100_platform_data *plfdata = pdev->dev.platform_data;
+ struct ab3100 *ab3100 = platform_get_drvdata(pdev);
+ int err = 0;
+ u8 data;
+ int i;
+
+ /* Check chip state */
+ err = ab3100_get_register_interruptible(ab3100,
+ AB3100_LDO_D, &data);
+ if (err) {
+ dev_err(&pdev->dev, "could not read initial status of LDO_D\n");
+ return err;
+ }
+ if (data & 0x10)
+ dev_notice(&pdev->dev,
+ "chip is already in active mode (Warm start)\n");
+ else
+ dev_notice(&pdev->dev,
+ "chip is in inactive mode (Cold start)\n");
+
+ /* Set up regulators */
+ for (i = 0; i < ARRAY_SIZE(ab3100_reg_init_order); i++) {
+ err = ab3100_set_register_interruptible(ab3100,
+ ab3100_reg_init_order[i],
+ plfdata->reg_initvals[i]);
+ if (err) {
+ dev_err(&pdev->dev, "regulator initialization failed with error %d\n",
+ err);
+ return err;
+ }
+ }
+
+ if (err) {
+ dev_err(&pdev->dev,
+ "LDO D regulator initialization failed with error %d\n",
+ err);
+ return err;
+ }
+
+ /* Register the regulators */
+ for (i = 0; i < AB3100_NUM_REGULATORS; i++) {
+ struct ab3100_regulator *reg = &ab3100_regulators[i];
+ struct regulator_dev *rdev;
+
+ /*
+ * Initialize per-regulator struct.
+ * Inherit platform data, this comes down from the
+ * i2c boarddata, from the machine. So if you want to
+ * see what it looks like for a certain machine, go
+ * into the machine I2C setup.
+ */
+ reg->ab3100 = ab3100;
+ reg->plfdata = plfdata;
+
+ /*
+ * Register the regulator, pass around
+ * the ab3100_regulator struct
+ */
+ rdev = regulator_register(&ab3100_regulator_desc[i],
+ &pdev->dev,
+ &plfdata->reg_constraints[i],
+ reg);
+
+ if (IS_ERR(rdev)) {
+ err = PTR_ERR(rdev);
+ dev_err(&pdev->dev,
+ "%s: failed to register regulator %s err %d\n",
+ __func__, ab3100_regulator_desc[i].name,
+ err);
+ i--;
+ /* remove the already registered regulators */
+ while (i > 0) {
+ regulator_unregister(ab3100_regulators[i].rdev);
+ i--;
+ }
+ return err;
+ }
+
+ /* Then set a pointer back to the registered regulator */
+ reg->rdev = rdev;
+ }
+
+ return 0;
+}
+
+static int __exit ab3100_regulators_remove(struct platform_device *pdev)
+{
+ int i;
+
+ for (i = 0; i < AB3100_NUM_REGULATORS; i++) {
+ struct ab3100_regulator *reg = &ab3100_regulators[i];
+
+ regulator_unregister(reg->rdev);
+ }
+ return 0;
+}
+
+static struct platform_driver ab3100_regulators_driver = {
+ .driver = {
+ .name = "ab3100-regulators",
+ .owner = THIS_MODULE,
+ },
+ .probe = ab3100_regulators_probe,
+ .remove = __exit_p(ab3100_regulators_remove),
+};
+
+static __init int ab3100_regulators_init(void)
+{
+ return platform_driver_register(&ab3100_regulators_driver);
+}
+
+static __exit void ab3100_regulators_exit(void)
+{
+ platform_driver_register(&ab3100_regulators_driver);
+}
+
+subsys_initcall(ab3100_regulators_init);
+module_exit(ab3100_regulators_exit);
+
+MODULE_AUTHOR("Mattias Wallin <mattias.wallin@stericsson.com>");
+MODULE_DESCRIPTION("AB3100 Regulator driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ab3100-regulators");
diff --git a/include/linux/mfd/ab3100.h b/include/linux/mfd/ab3100.h
index 3ead5cfb638c..e9aa4c9d749d 100644
--- a/include/linux/mfd/ab3100.h
+++ b/include/linux/mfd/ab3100.h
@@ -7,6 +7,7 @@
#include <linux/device.h>
#include <linux/workqueue.h>
+#include <linux/regulator/machine.h>
#ifndef MFD_AB3100_H
#define MFD_AB3100_H
@@ -57,6 +58,14 @@
#define AB3100_STR_BATT_REMOVAL (0x40)
#define AB3100_STR_VBUS (0x80)
+/*
+ * AB3100 contains 8 regulators, one external regulator controller
+ * and a buck converter, further the LDO E and buck converter can
+ * have separate settings if they are in sleep mode, this is
+ * modeled as a separate regulator.
+ */
+#define AB3100_NUM_REGULATORS 10
+
/**
* struct ab3100
* @access_mutex: lock out concurrent accesses to the AB3100 registers
@@ -87,6 +96,25 @@ struct ab3100 {
bool startup_events_read;
};
+/**
+ * struct ab3100_platform_data
+ * Data supplied to initialize board connections to the AB3100
+ * @reg_constraints: regulator constraints for target board
+ * the order of these constraints are: LDO A, C, D, E,
+ * F, G, H, K, EXT and BUCK.
+ * @reg_initvals: initial values for the regulator registers
+ * plus two sleep settings for LDO E and the BUCK converter.
+ * exactly AB3100_NUM_REGULATORS+2 values must be sent in.
+ * Order: LDO A, C, E, E sleep, F, G, H, K, EXT, BUCK,
+ * BUCK sleep, LDO D. (LDO D need to be initialized last.)
+ * @external_voltage: voltage level of the external regulator.
+ */
+struct ab3100_platform_data {
+ struct regulator_init_data reg_constraints[AB3100_NUM_REGULATORS];
+ u8 reg_initvals[AB3100_NUM_REGULATORS+2];
+ int external_voltage;
+};
+
int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval);
int ab3100_get_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 *regval);
int ab3100_get_register_page_interruptible(struct ab3100 *ab3100,
--
GitLab
From c82693317e4a34b2b3ed4220c6fca3e99a75b045 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 15 Sep 2009 13:06:02 +0200
Subject: [PATCH 620/742] mfd: Fix twl4030-power warnings
KEY_1 and KEY_2 definitions conflicts with include/linux/input.h
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/twl4030-power.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index 5284c7c169a5..d423e0c4176b 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -64,8 +64,8 @@ static u8 twl4030_start_script_address = 0x2b;
#define R_MEMORY_DATA PHY_TO_OFF_PM_MASTER(0x5a)
#define R_PROTECT_KEY 0x0E
-#define KEY_1 0xC0
-#define KEY_2 0x0C
+#define R_KEY_1 0xC0
+#define R_KEY_2 0x0C
/* resource configuration registers */
@@ -424,12 +424,12 @@ void __init twl4030_power_init(struct twl4030_power_data *twl4030_scripts)
struct twl4030_resconfig *resconfig;
u8 address = twl4030_start_script_address;
- err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, KEY_1,
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, R_KEY_1,
R_PROTECT_KEY);
if (err)
goto unlock;
- err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, KEY_2,
+ err = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, R_KEY_2,
R_PROTECT_KEY);
if (err)
goto unlock;
--
GitLab
From 5534fb5bb35a62a94e0bd1fa2421f7fb6e894f10 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 17 Sep 2009 09:34:16 -0400
Subject: [PATCH 621/742] ext4: Fix the alloc on close after a truncate
hueristic
In an attempt to avoid doing an unneeded flush after opening a
(previously non-existent) file with O_CREAT|O_TRUNC, the code only
triggered the hueristic if ei->disksize was non-zero. Turns out that
the VFS doesn't call ->truncate() if the file doesn't exist, and
ei->disksize is always zero even if the file previously existed. So
remove the test, since it isn't necessary and in fact disabled the
hueristic.
Thanks to Clemens Eisserer that he was seeing problems with files
written using kwrite and eclipse after sudden crashes caused by a
buggy Intel video driver.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/inode.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 9887a0c562d5..4abd683b963d 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3973,8 +3973,7 @@ void ext4_truncate(struct inode *inode)
if (!ext4_can_truncate(inode))
return;
- if (ei->i_disksize && inode->i_size == 0 &&
- !test_opt(inode->i_sb, NO_AUTO_DA_ALLOC))
+ if (inode->i_size == 0 && !test_opt(inode->i_sb, NO_AUTO_DA_ALLOC))
ei->i_state |= EXT4_STATE_DA_ALLOC_CLOSE;
if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) {
--
GitLab
From 3860e6c4b93d6a1c2428f0f45c77e083197da2d4 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 9 Sep 2009 14:46:43 +0100
Subject: [PATCH 622/742] mfd: Update MAINTAINERS patterns for WM831x
The WM831x PMICs added a backlight driver and a new include directory.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
MAINTAINERS | 2 ++
1 file changed, 2 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index fba5e8141a62..9d635f3bbc7c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5681,7 +5681,9 @@ F: drivers/mfd/wm8*.c
F: drivers/power/wm83*.c
F: drivers/rtc/rtc-wm83*.c
F: drivers/regulator/wm8*.c
+F: drivers/video/backlight/wm83*_bl.c
F: drivers/watchdog/wm83*_wdt.c
+F: include/linux/mfd/wm831x/
F: include/linux/mfd/wm8350/
F: include/linux/mfd/wm8400/
F: sound/soc/codecs/wm8350.c
--
GitLab
From 37bce07077b0c335d8747f1ddb27ad585434a47e Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 16 Sep 2009 19:07:32 +0100
Subject: [PATCH 623/742] mfd: Convert WM8350 to use request_threaded_irq()
Instead of hand rolling our own variant.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/wm8350-core.c | 24 ++++++------------------
include/linux/mfd/wm8350/core.h | 1 -
2 files changed, 6 insertions(+), 19 deletions(-)
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index 9d662a576a41..ba27c9dc1ad3 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -353,15 +353,15 @@ static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq)
}
/*
- * wm8350_irq_worker actually handles the interrupts. Since all
+ * This is a threaded IRQ handler so can access I2C/SPI. Since all
* interrupts are clear on read the IRQ line will be reasserted and
* the physical IRQ will be handled again if another interrupt is
* asserted while we run - in the normal course of events this is a
* rare occurrence so we save I2C/SPI reads.
*/
-static void wm8350_irq_worker(struct work_struct *work)
+static irqreturn_t wm8350_irq(int irq, void *data)
{
- struct wm8350 *wm8350 = container_of(work, struct wm8350, irq_work);
+ struct wm8350 *wm8350 = data;
u16 level_one, status1, status2, comp;
/* TODO: Use block reads to improve performance? */
@@ -552,16 +552,6 @@ static void wm8350_irq_worker(struct work_struct *work)
}
}
- enable_irq(wm8350->chip_irq);
-}
-
-static irqreturn_t wm8350_irq(int irq, void *data)
-{
- struct wm8350 *wm8350 = data;
-
- disable_irq_nosync(irq);
- schedule_work(&wm8350->irq_work);
-
return IRQ_HANDLED;
}
@@ -1428,9 +1418,8 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
mutex_init(&wm8350->auxadc_mutex);
mutex_init(&wm8350->irq_mutex);
- INIT_WORK(&wm8350->irq_work, wm8350_irq_worker);
if (irq) {
- int flags = 0;
+ int flags = IRQF_ONESHOT;
if (pdata && pdata->irq_high) {
flags |= IRQF_TRIGGER_HIGH;
@@ -1444,8 +1433,8 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
WM8350_IRQ_POL);
}
- ret = request_irq(irq, wm8350_irq, flags,
- "wm8350", wm8350);
+ ret = request_threaded_irq(irq, NULL, wm8350_irq, flags,
+ "wm8350", wm8350);
if (ret != 0) {
dev_err(wm8350->dev, "Failed to request IRQ: %d\n",
ret);
@@ -1505,7 +1494,6 @@ void wm8350_device_exit(struct wm8350 *wm8350)
platform_device_unregister(wm8350->codec.pdev);
free_irq(wm8350->chip_irq, wm8350);
- flush_work(&wm8350->irq_work);
kfree(wm8350->reg_cache);
}
EXPORT_SYMBOL_GPL(wm8350_device_exit);
diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h
index 969b0b55615c..1d595de6a055 100644
--- a/include/linux/mfd/wm8350/core.h
+++ b/include/linux/mfd/wm8350/core.h
@@ -626,7 +626,6 @@ struct wm8350 {
struct mutex auxadc_mutex;
/* Interrupt handling */
- struct work_struct irq_work;
struct mutex irq_mutex; /* IRQ table mutex */
struct wm8350_irq irq[WM8350_NUM_IRQ];
int chip_irq;
--
GitLab
From 75f2ba8f0006440e720e47ae14c917e07c452d72 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Thu, 17 Sep 2009 09:17:33 +0200
Subject: [PATCH 624/742] regulator: Voltage count for AB3100
This sets the number of voltages for the AB3100 regulators so that
they play well with the voltage listing functions and can be used
properly with the MMC regulator integration glue for example.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/regulator/ab3100.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 156979d1f41e..49aeee823a25 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -521,30 +521,35 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
.name = "LDO_E",
.id = AB3100_LDO_E,
.ops = ®ulator_ops_variable_sleepable,
+ .n_voltages = ARRAY_SIZE(ldo_e_buck_typ_voltages),
.type = REGULATOR_VOLTAGE,
},
{
.name = "LDO_F",
.id = AB3100_LDO_F,
.ops = ®ulator_ops_variable,
+ .n_voltages = ARRAY_SIZE(ldo_f_typ_voltages),
.type = REGULATOR_VOLTAGE,
},
{
.name = "LDO_G",
.id = AB3100_LDO_G,
.ops = ®ulator_ops_variable,
+ .n_voltages = ARRAY_SIZE(ldo_g_typ_voltages),
.type = REGULATOR_VOLTAGE,
},
{
.name = "LDO_H",
.id = AB3100_LDO_H,
.ops = ®ulator_ops_variable,
+ .n_voltages = ARRAY_SIZE(ldo_h_typ_voltages),
.type = REGULATOR_VOLTAGE,
},
{
.name = "LDO_K",
.id = AB3100_LDO_K,
.ops = ®ulator_ops_variable,
+ .n_voltages = ARRAY_SIZE(ldo_k_typ_voltages),
.type = REGULATOR_VOLTAGE,
},
{
@@ -557,6 +562,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
.name = "BUCK",
.id = AB3100_BUCK,
.ops = ®ulator_ops_variable_sleepable,
+ .n_voltages = ARRAY_SIZE(ldo_e_buck_typ_voltages),
.type = REGULATOR_VOLTAGE,
},
};
--
GitLab
From 0a80e9867db154966b2a771042e10452ac110e1e Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Thu, 17 Sep 2009 11:55:58 -0400
Subject: [PATCH 625/742] ext4: replace MAX_DEFRAG_SIZE with EXT_MAX_BLOCK
There's no reason to redefine the maximum allowable offset
in an extent-based file just for defrag;
EXT_MAX_BLOCK already does this.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/ext4.h | 1 -
fs/ext4/ext4_extents.h | 1 +
fs/ext4/move_extent.c | 12 ++++++------
3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 84e7f1d00a83..e227eea23f05 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -476,7 +476,6 @@ struct move_extent {
__u64 len; /* block length to be moved */
__u64 moved_len; /* moved block length */
};
-#define MAX_DEFRAG_SIZE ((1UL<<31) - 1)
#define EXT4_EPOCH_BITS 2
#define EXT4_EPOCH_MASK ((1 << EXT4_EPOCH_BITS) - 1)
diff --git a/fs/ext4/ext4_extents.h b/fs/ext4/ext4_extents.h
index 9538633879d7..61652f1d15e6 100644
--- a/fs/ext4/ext4_extents.h
+++ b/fs/ext4/ext4_extents.h
@@ -137,6 +137,7 @@ typedef int (*ext_prepare_callback)(struct inode *, struct ext4_ext_path *,
#define EXT_BREAK 1
#define EXT_REPEAT 2
+/* Maximum logical block in a file; ext4_extent's ee_block is __le32 */
#define EXT_MAX_BLOCK 0xffffffff
/*
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 1f027b1ec430..c07a2915e40b 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -1040,12 +1040,12 @@ mext_check_arguments(struct inode *orig_inode,
return -EINVAL;
}
- if ((orig_start > MAX_DEFRAG_SIZE) ||
- (donor_start > MAX_DEFRAG_SIZE) ||
- (*len > MAX_DEFRAG_SIZE) ||
- (orig_start + *len > MAX_DEFRAG_SIZE)) {
- ext4_debug("ext4 move extent: Can't handle over [%lu] blocks "
- "[ino:orig %lu, donor %lu]\n", MAX_DEFRAG_SIZE,
+ if ((orig_start > EXT_MAX_BLOCK) ||
+ (donor_start > EXT_MAX_BLOCK) ||
+ (*len > EXT_MAX_BLOCK) ||
+ (orig_start + *len > EXT_MAX_BLOCK)) {
+ ext4_debug("ext4 move extent: Can't handle over [%u] blocks "
+ "[ino:orig %lu, donor %lu]\n", EXT_MAX_BLOCK,
orig_inode->i_ino, donor_inode->i_ino);
return -EINVAL;
}
--
GitLab
From 3a5f90002e9d08e5a6406fc650bfd838bf23bc1b Mon Sep 17 00:00:00 2001
From: Denis Turischev <denis@compulab.co.il>
Date: Tue, 21 Jul 2009 13:13:29 +0300
Subject: [PATCH 626/742] [WATCHDOG] add SBC-FITPC2 watchdog driver
Add support for watchdog found on SBC-FITPC2 board.
Signed-off-by: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
drivers/watchdog/Kconfig | 22 +++
drivers/watchdog/Makefile | 1 +
drivers/watchdog/sbc_fitpc2_wdt.c | 267 ++++++++++++++++++++++++++++++
3 files changed, 290 insertions(+)
create mode 100644 drivers/watchdog/sbc_fitpc2_wdt.c
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index b1ccc04f3c9a..1940a08d18de 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -369,6 +369,28 @@ config SC520_WDT
You can compile this driver directly into the kernel, or use
it as a module. The module will be called sc520_wdt.
+config SBC_FITPC2_WATCHDOG
+ tristate "Compulab SBC-FITPC2 watchdog"
+ depends on X86
+ ---help---
+ This is the driver for the built-in watchdog timer on the fit-PC2
+ Single-board computer made by Compulab.
+
+ It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
+ When "Watchdog Timer Value" enabled one can set 31-255 s operational range.
+
+ Entering BIOS setup temporary disables watchdog operation regardless to current state,
+ so system will not be restarted while user in BIOS setup.
+
+ Once watchdog was enabled the system will be restarted every
+ "Watchdog Timer Value" period, so to prevent it user can restart or
+ disable the watchdog.
+
+ To compile this driver as a module, choose M here: the
+ module will be called sbc_fitpc2_wdt.
+
+ Most people will say N.
+
config EUROTECH_WDT
tristate "Eurotech CPU-1220/1410 Watchdog Timer"
depends on X86
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 3d774294a2b7..6c58e7ccee2c 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -64,6 +64,7 @@ obj-$(CONFIG_ALIM1535_WDT) += alim1535_wdt.o
obj-$(CONFIG_ALIM7101_WDT) += alim7101_wdt.o
obj-$(CONFIG_GEODE_WDT) += geodewdt.o
obj-$(CONFIG_SC520_WDT) += sc520_wdt.o
+obj-$(CONFIG_SBC_FITPC2_WATCHDOG) += sbc_fitpc2_wdt.o
obj-$(CONFIG_EUROTECH_WDT) += eurotechwdt.o
obj-$(CONFIG_IB700_WDT) += ib700wdt.o
obj-$(CONFIG_IBMASR) += ibmasr.o
diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c
new file mode 100644
index 000000000000..852ca1977917
--- /dev/null
+++ b/drivers/watchdog/sbc_fitpc2_wdt.c
@@ -0,0 +1,267 @@
+/*
+ * Watchdog driver for SBC-FITPC2 board
+ *
+ * Author: Denis Turischev <denis@compulab.co.il>
+ *
+ * Adapted from the IXP2000 watchdog driver by Deepak Saxena.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME " WATCHDOG: " fmt
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+#include <linux/dmi.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+
+#include <asm/system.h>
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+static unsigned int margin = 60; /* (secs) Default is 1 minute */
+static unsigned long wdt_status;
+static DEFINE_SPINLOCK(wdt_lock);
+
+#define WDT_IN_USE 0
+#define WDT_OK_TO_CLOSE 1
+
+#define COMMAND_PORT 0x4c
+#define DATA_PORT 0x48
+
+#define IFACE_ON_COMMAND 1
+#define REBOOT_COMMAND 2
+
+#define WATCHDOG_NAME "SBC-FITPC2 Watchdog"
+
+static void wdt_send_data(unsigned char command, unsigned char data)
+{
+ outb(command, COMMAND_PORT);
+ mdelay(100);
+ outb(data, DATA_PORT);
+ mdelay(200);
+}
+
+static void wdt_enable(void)
+{
+ spin_lock(&wdt_lock);
+ wdt_send_data(IFACE_ON_COMMAND, 1);
+ wdt_send_data(REBOOT_COMMAND, margin);
+ spin_unlock(&wdt_lock);
+}
+
+static void wdt_disable(void)
+{
+ spin_lock(&wdt_lock);
+ wdt_send_data(IFACE_ON_COMMAND, 0);
+ wdt_send_data(REBOOT_COMMAND, 0);
+ spin_unlock(&wdt_lock);
+}
+
+static int fitpc2_wdt_open(struct inode *inode, struct file *file)
+{
+ if (test_and_set_bit(WDT_IN_USE, &wdt_status))
+ return -EBUSY;
+
+ clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+ wdt_enable();
+
+ return nonseekable_open(inode, file);
+}
+
+static ssize_t fitpc2_wdt_write(struct file *file, const char *data,
+ size_t len, loff_t *ppos)
+{
+ size_t i;
+
+ if (!len)
+ return 0;
+
+ if (nowayout) {
+ len = 0;
+ goto out;
+ }
+
+ clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+ for (i = 0; i != len; i++) {
+ char c;
+
+ if (get_user(c, data + i))
+ return -EFAULT;
+
+ if (c == 'V')
+ set_bit(WDT_OK_TO_CLOSE, &wdt_status);
+ }
+
+out:
+ wdt_enable();
+
+ return len;
+}
+
+
+static struct watchdog_info ident = {
+ .options = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT |
+ WDIOF_KEEPALIVEPING,
+ .identity = WATCHDOG_NAME,
+};
+
+
+static long fitpc2_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret = -ENOTTY;
+ int time;
+
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ ret = copy_to_user((struct watchdog_info *)arg, &ident,
+ sizeof(ident)) ? -EFAULT : 0;
+ break;
+
+ case WDIOC_GETSTATUS:
+ ret = put_user(0, (int *)arg);
+ break;
+
+ case WDIOC_GETBOOTSTATUS:
+ ret = put_user(0, (int *)arg);
+ break;
+
+ case WDIOC_KEEPALIVE:
+ wdt_enable();
+ ret = 0;
+ break;
+
+ case WDIOC_SETTIMEOUT:
+ ret = get_user(time, (int *)arg);
+ if (ret)
+ break;
+
+ if (time < 31 || time > 255) {
+ ret = -EINVAL;
+ break;
+ }
+
+ margin = time;
+ wdt_enable();
+ /* Fall through */
+
+ case WDIOC_GETTIMEOUT:
+ ret = put_user(margin, (int *)arg);
+ break;
+ }
+
+ return ret;
+}
+
+static int fitpc2_wdt_release(struct inode *inode, struct file *file)
+{
+ if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) {
+ wdt_disable();
+ pr_info("Device disabled\n");
+ } else {
+ pr_warning("Device closed unexpectedly -"
+ " timer will not stop\n");
+ wdt_enable();
+ }
+
+ clear_bit(WDT_IN_USE, &wdt_status);
+ clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+ return 0;
+}
+
+
+static const struct file_operations fitpc2_wdt_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = fitpc2_wdt_write,
+ .unlocked_ioctl = fitpc2_wdt_ioctl,
+ .open = fitpc2_wdt_open,
+ .release = fitpc2_wdt_release,
+};
+
+static struct miscdevice fitpc2_wdt_miscdev = {
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &fitpc2_wdt_fops,
+};
+
+static int __init fitpc2_wdt_init(void)
+{
+ int err;
+
+ if (strcmp("SBC-FITPC2", dmi_get_system_info(DMI_BOARD_NAME))) {
+ pr_info("board name is: %s. Should be SBC-FITPC2\n",
+ dmi_get_system_info(DMI_BOARD_NAME));
+ return -ENODEV;
+ }
+
+ if (!request_region(COMMAND_PORT, 1, WATCHDOG_NAME)) {
+ pr_err("I/O address 0x%04x already in use\n", COMMAND_PORT);
+ return -EIO;
+ }
+
+ if (!request_region(DATA_PORT, 1, WATCHDOG_NAME)) {
+ pr_err("I/O address 0x%04x already in use\n", DATA_PORT);
+ err = -EIO;
+ goto err_data_port;
+ }
+
+ if (margin < 31 || margin > 255) {
+ pr_err("margin must be in range 31 - 255"
+ " seconds, you tried to set %d\n", margin);
+ err = -EINVAL;
+ goto err_margin;
+ }
+
+ err = misc_register(&fitpc2_wdt_miscdev);
+ if (!err) {
+ pr_err("cannot register miscdev on minor=%d (err=%d)\n",
+ WATCHDOG_MINOR, err);
+ goto err_margin;
+ }
+
+ return 0;
+
+err_margin:
+ release_region(DATA_PORT, 1);
+err_data_port:
+ release_region(COMMAND_PORT, 1);
+
+ return err;
+}
+
+static void __exit fitpc2_wdt_exit(void)
+{
+ misc_deregister(&fitpc2_wdt_miscdev);
+ release_region(DATA_PORT, 1);
+ release_region(COMMAND_PORT, 1);
+}
+
+module_init(fitpc2_wdt_init);
+module_exit(fitpc2_wdt_exit);
+
+MODULE_AUTHOR("Denis Turischev <denis@compulab.co.il>");
+MODULE_DESCRIPTION("SBC-FITPC2 Watchdog");
+
+module_param(margin, int, 0);
+MODULE_PARM_DESC(margin, "Watchdog margin in seconds (default 60s)");
+
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+
--
GitLab
From 0400e3134b03336617138f9ebf2cd0f117ceef20 Mon Sep 17 00:00:00 2001
From: Wan ZongShun <mcuos.com@gmail.com>
Date: Mon, 17 Aug 2009 18:00:01 +0800
Subject: [PATCH 627/742] [WATCHDOG] Add watchdog driver for NUC900
Add watchdog device driver for the Nuvoton NUC900 series SoCs.
Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/Kconfig | 9 +
drivers/watchdog/Makefile | 1 +
drivers/watchdog/nuc900_wdt.c | 353 ++++++++++++++++++++++++++++++++++
3 files changed, 363 insertions(+)
create mode 100644 drivers/watchdog/nuc900_wdt.c
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 1940a08d18de..3229889c3591 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -266,6 +266,15 @@ config STMP3XXX_WATCHDOG
To compile this driver as a module, choose M here: the
module will be called stmp3xxx_wdt.
+config NUC900_WATCHDOG
+ tristate "Nuvoton NUC900 watchdog"
+ depends on ARCH_W90X900
+ help
+ Say Y here if to include support for the watchdog timer
+ for the Nuvoton NUC900 series SoCs.
+ To compile this driver as a module, choose M here: the
+ module will be called nuc900_wdt.
+
# AVR32 Architecture
config AT32AP700X_WDT
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 6c58e7ccee2c..e1784a6208a7 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -44,6 +44,7 @@ obj-$(CONFIG_DAVINCI_WATCHDOG) += davinci_wdt.o
obj-$(CONFIG_ORION_WATCHDOG) += orion_wdt.o
obj-$(CONFIG_COH901327_WATCHDOG) += coh901327_wdt.o
obj-$(CONFIG_STMP3XXX_WATCHDOG) += stmp3xxx_wdt.o
+obj-$(CONFIG_NUC900_WATCHDOG) += nuc900_wdt.o
# AVR32 Architecture
obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o
diff --git a/drivers/watchdog/nuc900_wdt.c b/drivers/watchdog/nuc900_wdt.c
new file mode 100644
index 000000000000..adefe3a9d510
--- /dev/null
+++ b/drivers/watchdog/nuc900_wdt.c
@@ -0,0 +1,353 @@
+/*
+ * Copyright (c) 2009 Nuvoton technology corporation.
+ *
+ * Wan ZongShun <mcuos.com@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation;version 2 of the License.
+ *
+ */
+
+#include <linux/bitops.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/kernel.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/types.h>
+#include <linux/watchdog.h>
+#include <linux/uaccess.h>
+
+#define REG_WTCR 0x1c
+#define WTCLK (0x01 << 10)
+#define WTE (0x01 << 7) /*wdt enable*/
+#define WTIS (0x03 << 4)
+#define WTIF (0x01 << 3)
+#define WTRF (0x01 << 2)
+#define WTRE (0x01 << 1)
+#define WTR (0x01 << 0)
+/*
+ * The watchdog time interval can be calculated via following formula:
+ * WTIS real time interval (formula)
+ * 0x00 ((2^ 14 ) * ((external crystal freq) / 256))seconds
+ * 0x01 ((2^ 16 ) * ((external crystal freq) / 256))seconds
+ * 0x02 ((2^ 18 ) * ((external crystal freq) / 256))seconds
+ * 0x03 ((2^ 20 ) * ((external crystal freq) / 256))seconds
+ *
+ * The external crystal freq is 15Mhz in the nuc900 evaluation board.
+ * So 0x00 = +-0.28 seconds, 0x01 = +-1.12 seconds, 0x02 = +-4.48 seconds,
+ * 0x03 = +- 16.92 seconds..
+ */
+#define WDT_HW_TIMEOUT 0x02
+#define WDT_TIMEOUT (HZ/2)
+#define WDT_HEARTBEAT 15
+
+static int heartbeat = WDT_HEARTBEAT;
+module_param(heartbeat, int, 0);
+MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. "
+ "(default = " __MODULE_STRING(WDT_HEARTBEAT) ")");
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
+ "(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+struct nuc900_wdt {
+ struct resource *res;
+ struct clk *wdt_clock;
+ struct platform_device *pdev;
+ void __iomem *wdt_base;
+ char expect_close;
+ struct timer_list timer;
+ spinlock_t wdt_lock;
+ unsigned long next_heartbeat;
+};
+
+static unsigned long nuc900wdt_busy;
+struct nuc900_wdt *nuc900_wdt;
+
+static inline void nuc900_wdt_keepalive(void)
+{
+ unsigned int val;
+
+ spin_lock(&nuc900_wdt->wdt_lock);
+
+ val = __raw_readl(nuc900_wdt->wdt_base + REG_WTCR);
+ val |= (WTR | WTIF);
+ __raw_writel(val, nuc900_wdt->wdt_base + REG_WTCR);
+
+ spin_unlock(&nuc900_wdt->wdt_lock);
+}
+
+static inline void nuc900_wdt_start(void)
+{
+ unsigned int val;
+
+ spin_lock(&nuc900_wdt->wdt_lock);
+
+ val = __raw_readl(nuc900_wdt->wdt_base + REG_WTCR);
+ val |= (WTRE | WTE | WTR | WTCLK | WTIF);
+ val &= ~WTIS;
+ val |= (WDT_HW_TIMEOUT << 0x04);
+ __raw_writel(val, nuc900_wdt->wdt_base + REG_WTCR);
+
+ spin_unlock(&nuc900_wdt->wdt_lock);
+
+ nuc900_wdt->next_heartbeat = jiffies + heartbeat * HZ;
+ mod_timer(&nuc900_wdt->timer, jiffies + WDT_TIMEOUT);
+}
+
+static inline void nuc900_wdt_stop(void)
+{
+ unsigned int val;
+
+ del_timer(&nuc900_wdt->timer);
+
+ spin_lock(&nuc900_wdt->wdt_lock);
+
+ val = __raw_readl(nuc900_wdt->wdt_base + REG_WTCR);
+ val &= ~WTE;
+ __raw_writel(val, nuc900_wdt->wdt_base + REG_WTCR);
+
+ spin_unlock(&nuc900_wdt->wdt_lock);
+}
+
+static inline void nuc900_wdt_ping(void)
+{
+ nuc900_wdt->next_heartbeat = jiffies + heartbeat * HZ;
+}
+
+static int nuc900_wdt_open(struct inode *inode, struct file *file)
+{
+
+ if (test_and_set_bit(0, &nuc900wdt_busy))
+ return -EBUSY;
+
+ nuc900_wdt_start();
+
+ return nonseekable_open(inode, file);
+}
+
+static int nuc900_wdt_close(struct inode *inode, struct file *file)
+{
+ if (nuc900_wdt->expect_close == 42)
+ nuc900_wdt_stop();
+ else {
+ dev_crit(&nuc900_wdt->pdev->dev,
+ "Unexpected close, not stopping watchdog!\n");
+ nuc900_wdt_ping();
+ }
+
+ nuc900_wdt->expect_close = 0;
+ clear_bit(0, &nuc900wdt_busy);
+ return 0;
+}
+
+static const struct watchdog_info nuc900_wdt_info = {
+ .identity = "nuc900 watchdog",
+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING |
+ WDIOF_MAGICCLOSE,
+};
+
+static long nuc900_wdt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ void __user *argp = (void __user *)arg;
+ int __user *p = argp;
+ int new_value;
+
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &nuc900_wdt_info,
+ sizeof(nuc900_wdt_info)) ? -EFAULT : 0;
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+
+ case WDIOC_KEEPALIVE:
+ nuc900_wdt_ping();
+ return 0;
+
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_value, p))
+ return -EFAULT;
+
+ heartbeat = new_value;
+ nuc900_wdt_ping();
+
+ return put_user(new_value, p);
+ case WDIOC_GETTIMEOUT:
+ return put_user(heartbeat, p);
+ default:
+ return -ENOTTY;
+ }
+}
+
+static ssize_t nuc900_wdt_write(struct file *file, const char __user *data,
+ size_t len, loff_t *ppos)
+{
+ if (!len)
+ return 0;
+
+ /* Scan for magic character */
+ if (!nowayout) {
+ size_t i;
+
+ nuc900_wdt->expect_close = 0;
+
+ for (i = 0; i < len; i++) {
+ char c;
+ if (get_user(c, data + i))
+ return -EFAULT;
+ if (c == 'V') {
+ nuc900_wdt->expect_close = 42;
+ break;
+ }
+ }
+ }
+
+ nuc900_wdt_ping();
+ return len;
+}
+
+static void nuc900_wdt_timer_ping(unsigned long data)
+{
+ if (time_before(jiffies, nuc900_wdt->next_heartbeat)) {
+ nuc900_wdt_keepalive();
+ mod_timer(&nuc900_wdt->timer, jiffies + WDT_TIMEOUT);
+ } else
+ dev_warn(&nuc900_wdt->pdev->dev, "Will reset the machine !\n");
+}
+
+static const struct file_operations nuc900wdt_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .unlocked_ioctl = nuc900_wdt_ioctl,
+ .open = nuc900_wdt_open,
+ .release = nuc900_wdt_close,
+ .write = nuc900_wdt_write,
+};
+
+static struct miscdevice nuc900wdt_miscdev = {
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &nuc900wdt_fops,
+};
+
+static int __devinit nuc900wdt_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+
+ nuc900_wdt = kzalloc(sizeof(struct nuc900_wdt), GFP_KERNEL);
+ if (!nuc900_wdt)
+ return -ENOMEM;
+
+ nuc900_wdt->pdev = pdev;
+
+ spin_lock_init(&nuc900_wdt->wdt_lock);
+
+ nuc900_wdt->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (nuc900_wdt->res == NULL) {
+ dev_err(&pdev->dev, "no memory resource specified\n");
+ ret = -ENOENT;
+ goto err_get;
+ }
+
+ if (!request_mem_region(nuc900_wdt->res->start,
+ resource_size(nuc900_wdt->res), pdev->name)) {
+ dev_err(&pdev->dev, "failed to get memory region\n");
+ ret = -ENOENT;
+ goto err_get;
+ }
+
+ nuc900_wdt->wdt_base = ioremap(nuc900_wdt->res->start,
+ resource_size(nuc900_wdt->res));
+ if (nuc900_wdt->wdt_base == NULL) {
+ dev_err(&pdev->dev, "failed to ioremap() region\n");
+ ret = -EINVAL;
+ goto err_req;
+ }
+
+ nuc900_wdt->wdt_clock = clk_get(&pdev->dev, NULL);
+ if (IS_ERR(nuc900_wdt->wdt_clock)) {
+ dev_err(&pdev->dev, "failed to find watchdog clock source\n");
+ ret = PTR_ERR(nuc900_wdt->wdt_clock);
+ goto err_map;
+ }
+
+ clk_enable(nuc900_wdt->wdt_clock);
+
+ setup_timer(&nuc900_wdt->timer, nuc900_wdt_timer_ping, 0);
+
+ if (misc_register(&nuc900wdt_miscdev)) {
+ dev_err(&pdev->dev, "err register miscdev on minor=%d (%d)\n",
+ WATCHDOG_MINOR, ret);
+ goto err_clk;
+ }
+
+ return 0;
+
+err_clk:
+ clk_disable(nuc900_wdt->wdt_clock);
+ clk_put(nuc900_wdt->wdt_clock);
+err_map:
+ iounmap(nuc900_wdt->wdt_base);
+err_req:
+ release_mem_region(nuc900_wdt->res->start,
+ resource_size(nuc900_wdt->res));
+err_get:
+ kfree(nuc900_wdt);
+ return ret;
+}
+
+static int __devexit nuc900wdt_remove(struct platform_device *pdev)
+{
+ misc_deregister(&nuc900wdt_miscdev);
+
+ clk_disable(nuc900_wdt->wdt_clock);
+ clk_put(nuc900_wdt->wdt_clock);
+
+ iounmap(nuc900_wdt->wdt_base);
+
+ release_mem_region(nuc900_wdt->res->start,
+ resource_size(nuc900_wdt->res));
+
+ kfree(nuc900_wdt);
+
+ return 0;
+}
+
+static struct platform_driver nuc900wdt_driver = {
+ .probe = nuc900wdt_probe,
+ .remove = __devexit_p(nuc900wdt_remove),
+ .driver = {
+ .name = "nuc900-wdt",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init nuc900_wdt_init(void)
+{
+ return platform_driver_register(&nuc900wdt_driver);
+}
+
+static void __exit nuc900_wdt_exit(void)
+{
+ platform_driver_unregister(&nuc900wdt_driver);
+}
+
+module_init(nuc900_wdt_init);
+module_exit(nuc900_wdt_exit);
+
+MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
+MODULE_DESCRIPTION("Watchdog driver for NUC900");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+MODULE_ALIAS("platform:nuc900-wdt");
--
GitLab
From 502a0106b2cc31940f690dc6693fddfd3b97cab5 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 27 Jul 2009 14:46:12 +0100
Subject: [PATCH 628/742] [WATCHDOG] Add support for WM831x watchdog
The WM831x series of devices provide a watchdog with configurable
behaviour on timer expiry.
Currently this driver support refreshes via a register or GPIO line and
autonomous refreshes from a hardware source (eg, a clock).
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/Kconfig | 7 +
drivers/watchdog/Makefile | 1 +
drivers/watchdog/wm831x_wdt.c | 441 ++++++++++++++++++++++++++++
include/linux/mfd/wm831x/watchdog.h | 52 ++++
4 files changed, 501 insertions(+)
create mode 100644 drivers/watchdog/wm831x_wdt.c
create mode 100644 include/linux/mfd/wm831x/watchdog.h
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 3229889c3591..ff3eb8ff6bd7 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -55,6 +55,13 @@ config SOFT_WATCHDOG
To compile this driver as a module, choose M here: the
module will be called softdog.
+config WM831X_WATCHDOG
+ tristate "WM831x watchdog"
+ depends on MFD_WM831X
+ help
+ Support for the watchdog in the WM831x AudioPlus PMICs. When
+ the watchdog triggers the system will be reset.
+
config WM8350_WATCHDOG
tristate "WM8350 watchdog"
depends on MFD_WM8350
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index e1784a6208a7..348b3b862c99 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -141,5 +141,6 @@ obj-$(CONFIG_WATCHDOG_CP1XXX) += cpwd.o
# XTENSA Architecture
# Architecture Independant
+obj-$(CONFIG_WM831X_WATCHDOG) += wm831x_wdt.o
obj-$(CONFIG_WM8350_WATCHDOG) += wm8350_wdt.o
obj-$(CONFIG_SOFT_WATCHDOG) += softdog.o
diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c
new file mode 100644
index 000000000000..775bcd807f31
--- /dev/null
+++ b/drivers/watchdog/wm831x_wdt.c
@@ -0,0 +1,441 @@
+/*
+ * Watchdog driver for the wm831x PMICs
+ *
+ * Copyright (C) 2009 Wolfson Microelectronics
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/platform_device.h>
+#include <linux/watchdog.h>
+#include <linux/uaccess.h>
+#include <linux/gpio.h>
+
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/pdata.h>
+#include <linux/mfd/wm831x/watchdog.h>
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout,
+ "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+static unsigned long wm831x_wdt_users;
+static struct miscdevice wm831x_wdt_miscdev;
+static int wm831x_wdt_expect_close;
+static DEFINE_MUTEX(wdt_mutex);
+static struct wm831x *wm831x;
+static unsigned int update_gpio;
+static unsigned int update_state;
+
+/* We can't use the sub-second values here but they're included
+ * for completeness. */
+static struct {
+ int time; /* Seconds */
+ u16 val; /* WDOG_TO value */
+} wm831x_wdt_cfgs[] = {
+ { 1, 2 },
+ { 2, 3 },
+ { 4, 4 },
+ { 8, 5 },
+ { 16, 6 },
+ { 32, 7 },
+ { 33, 7 }, /* Actually 32.768s so include both, others round down */
+};
+
+static int wm831x_wdt_set_timeout(struct wm831x *wm831x, u16 value)
+{
+ int ret;
+
+ mutex_lock(&wdt_mutex);
+
+ ret = wm831x_reg_unlock(wm831x);
+ if (ret == 0) {
+ ret = wm831x_set_bits(wm831x, WM831X_WATCHDOG,
+ WM831X_WDOG_TO_MASK, value);
+ wm831x_reg_lock(wm831x);
+ } else {
+ dev_err(wm831x->dev, "Failed to unlock security key: %d\n",
+ ret);
+ }
+
+ mutex_unlock(&wdt_mutex);
+
+ return ret;
+}
+
+static int wm831x_wdt_start(struct wm831x *wm831x)
+{
+ int ret;
+
+ mutex_lock(&wdt_mutex);
+
+ ret = wm831x_reg_unlock(wm831x);
+ if (ret == 0) {
+ ret = wm831x_set_bits(wm831x, WM831X_WATCHDOG,
+ WM831X_WDOG_ENA, WM831X_WDOG_ENA);
+ wm831x_reg_lock(wm831x);
+ } else {
+ dev_err(wm831x->dev, "Failed to unlock security key: %d\n",
+ ret);
+ }
+
+ mutex_unlock(&wdt_mutex);
+
+ return ret;
+}
+
+static int wm831x_wdt_stop(struct wm831x *wm831x)
+{
+ int ret;
+
+ mutex_lock(&wdt_mutex);
+
+ ret = wm831x_reg_unlock(wm831x);
+ if (ret == 0) {
+ ret = wm831x_set_bits(wm831x, WM831X_WATCHDOG,
+ WM831X_WDOG_ENA, 0);
+ wm831x_reg_lock(wm831x);
+ } else {
+ dev_err(wm831x->dev, "Failed to unlock security key: %d\n",
+ ret);
+ }
+
+ mutex_unlock(&wdt_mutex);
+
+ return ret;
+}
+
+static int wm831x_wdt_kick(struct wm831x *wm831x)
+{
+ int ret;
+ u16 reg;
+
+ mutex_lock(&wdt_mutex);
+
+ if (update_gpio) {
+ gpio_set_value_cansleep(update_gpio, update_state);
+ update_state = !update_state;
+ ret = 0;
+ goto out;
+ }
+
+
+ reg = wm831x_reg_read(wm831x, WM831X_WATCHDOG);
+
+ if (!(reg & WM831X_WDOG_RST_SRC)) {
+ dev_err(wm831x->dev, "Hardware watchdog update unsupported\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ reg |= WM831X_WDOG_RESET;
+
+ ret = wm831x_reg_unlock(wm831x);
+ if (ret == 0) {
+ ret = wm831x_reg_write(wm831x, WM831X_WATCHDOG, reg);
+ wm831x_reg_lock(wm831x);
+ } else {
+ dev_err(wm831x->dev, "Failed to unlock security key: %d\n",
+ ret);
+ }
+
+out:
+ mutex_unlock(&wdt_mutex);
+
+ return ret;
+}
+
+static int wm831x_wdt_open(struct inode *inode, struct file *file)
+{
+ int ret;
+
+ if (!wm831x)
+ return -ENODEV;
+
+ if (test_and_set_bit(0, &wm831x_wdt_users))
+ return -EBUSY;
+
+ ret = wm831x_wdt_start(wm831x);
+ if (ret != 0)
+ return ret;
+
+ return nonseekable_open(inode, file);
+}
+
+static int wm831x_wdt_release(struct inode *inode, struct file *file)
+{
+ if (wm831x_wdt_expect_close)
+ wm831x_wdt_stop(wm831x);
+ else {
+ dev_warn(wm831x->dev, "Watchdog device closed uncleanly\n");
+ wm831x_wdt_kick(wm831x);
+ }
+
+ clear_bit(0, &wm831x_wdt_users);
+
+ return 0;
+}
+
+static ssize_t wm831x_wdt_write(struct file *file,
+ const char __user *data, size_t count,
+ loff_t *ppos)
+{
+ size_t i;
+
+ if (count) {
+ wm831x_wdt_kick(wm831x);
+
+ if (!nowayout) {
+ /* In case it was set long ago */
+ wm831x_wdt_expect_close = 0;
+
+ /* scan to see whether or not we got the magic
+ character */
+ for (i = 0; i != count; i++) {
+ char c;
+ if (get_user(c, data + i))
+ return -EFAULT;
+ if (c == 'V')
+ wm831x_wdt_expect_close = 42;
+ }
+ }
+ }
+ return count;
+}
+
+static struct watchdog_info ident = {
+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
+ .identity = "WM831x Watchdog",
+};
+
+static long wm831x_wdt_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret = -ENOTTY, time, i;
+ void __user *argp = (void __user *)arg;
+ int __user *p = argp;
+ u16 reg;
+
+ switch (cmd) {
+ case WDIOC_GETSUPPORT:
+ ret = copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
+ break;
+
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ ret = put_user(0, p);
+ break;
+
+ case WDIOC_SETOPTIONS:
+ {
+ int options;
+
+ if (get_user(options, p))
+ return -EFAULT;
+
+ ret = -EINVAL;
+
+ /* Setting both simultaneously means at least one must fail */
+ if (options == WDIOS_DISABLECARD)
+ ret = wm831x_wdt_start(wm831x);
+
+ if (options == WDIOS_ENABLECARD)
+ ret = wm831x_wdt_stop(wm831x);
+ break;
+ }
+
+ case WDIOC_KEEPALIVE:
+ ret = wm831x_wdt_kick(wm831x);
+ break;
+
+ case WDIOC_SETTIMEOUT:
+ ret = get_user(time, p);
+ if (ret)
+ break;
+
+ if (time == 0) {
+ if (nowayout)
+ ret = -EINVAL;
+ else
+ wm831x_wdt_stop(wm831x);
+ break;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(wm831x_wdt_cfgs); i++)
+ if (wm831x_wdt_cfgs[i].time == time)
+ break;
+ if (i == ARRAY_SIZE(wm831x_wdt_cfgs))
+ ret = -EINVAL;
+ else
+ ret = wm831x_wdt_set_timeout(wm831x,
+ wm831x_wdt_cfgs[i].val);
+ break;
+
+ case WDIOC_GETTIMEOUT:
+ reg = wm831x_reg_read(wm831x, WM831X_WATCHDOG);
+ reg &= WM831X_WDOG_TO_MASK;
+ for (i = 0; i < ARRAY_SIZE(wm831x_wdt_cfgs); i++)
+ if (wm831x_wdt_cfgs[i].val == reg)
+ break;
+ if (i == ARRAY_SIZE(wm831x_wdt_cfgs)) {
+ dev_warn(wm831x->dev,
+ "Unknown watchdog configuration: %x\n", reg);
+ ret = -EINVAL;
+ } else
+ ret = put_user(wm831x_wdt_cfgs[i].time, p);
+
+ }
+
+ return ret;
+}
+
+static const struct file_operations wm831x_wdt_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .write = wm831x_wdt_write,
+ .unlocked_ioctl = wm831x_wdt_ioctl,
+ .open = wm831x_wdt_open,
+ .release = wm831x_wdt_release,
+};
+
+static struct miscdevice wm831x_wdt_miscdev = {
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &wm831x_wdt_fops,
+};
+
+static int __devinit wm831x_wdt_probe(struct platform_device *pdev)
+{
+ struct wm831x_pdata *chip_pdata;
+ struct wm831x_watchdog_pdata *pdata;
+ int reg, ret;
+
+ wm831x = dev_get_drvdata(pdev->dev.parent);
+
+ ret = wm831x_reg_read(wm831x, WM831X_WATCHDOG);
+ if (ret < 0) {
+ dev_err(wm831x->dev, "Failed to read watchdog status: %d\n",
+ ret);
+ goto err;
+ }
+ reg = ret;
+
+ if (reg & WM831X_WDOG_DEBUG)
+ dev_warn(wm831x->dev, "Watchdog is paused\n");
+
+ /* Apply any configuration */
+ if (pdev->dev.parent->platform_data) {
+ chip_pdata = pdev->dev.parent->platform_data;
+ pdata = chip_pdata->watchdog;
+ } else {
+ pdata = NULL;
+ }
+
+ if (pdata) {
+ reg &= ~(WM831X_WDOG_SECACT_MASK | WM831X_WDOG_PRIMACT_MASK |
+ WM831X_WDOG_RST_SRC);
+
+ reg |= pdata->primary << WM831X_WDOG_PRIMACT_SHIFT;
+ reg |= pdata->secondary << WM831X_WDOG_SECACT_SHIFT;
+ reg |= pdata->software << WM831X_WDOG_RST_SRC_SHIFT;
+
+ if (pdata->update_gpio) {
+ ret = gpio_request(pdata->update_gpio,
+ "Watchdog update");
+ if (ret < 0) {
+ dev_err(wm831x->dev,
+ "Failed to request update GPIO: %d\n",
+ ret);
+ goto err;
+ }
+
+ ret = gpio_direction_output(pdata->update_gpio, 0);
+ if (ret != 0) {
+ dev_err(wm831x->dev,
+ "gpio_direction_output returned: %d\n",
+ ret);
+ goto err_gpio;
+ }
+
+ update_gpio = pdata->update_gpio;
+
+ /* Make sure the watchdog takes hardware updates */
+ reg |= WM831X_WDOG_RST_SRC;
+ }
+
+ ret = wm831x_reg_unlock(wm831x);
+ if (ret == 0) {
+ ret = wm831x_reg_write(wm831x, WM831X_WATCHDOG, reg);
+ wm831x_reg_lock(wm831x);
+ } else {
+ dev_err(wm831x->dev,
+ "Failed to unlock security key: %d\n", ret);
+ goto err_gpio;
+ }
+ }
+
+ wm831x_wdt_miscdev.parent = &pdev->dev;
+
+ ret = misc_register(&wm831x_wdt_miscdev);
+ if (ret != 0) {
+ dev_err(wm831x->dev, "Failed to register miscdev: %d\n", ret);
+ goto err_gpio;
+ }
+
+ return 0;
+
+err_gpio:
+ if (update_gpio) {
+ gpio_free(update_gpio);
+ update_gpio = 0;
+ }
+err:
+ return ret;
+}
+
+static int __devexit wm831x_wdt_remove(struct platform_device *pdev)
+{
+ if (update_gpio) {
+ gpio_free(update_gpio);
+ update_gpio = 0;
+ }
+
+ misc_deregister(&wm831x_wdt_miscdev);
+
+ return 0;
+}
+
+static struct platform_driver wm831x_wdt_driver = {
+ .probe = wm831x_wdt_probe,
+ .remove = __devexit_p(wm831x_wdt_remove),
+ .driver = {
+ .name = "wm831x-watchdog",
+ },
+};
+
+static int __init wm831x_wdt_init(void)
+{
+ return platform_driver_register(&wm831x_wdt_driver);
+}
+module_init(wm831x_wdt_init);
+
+static void __exit wm831x_wdt_exit(void)
+{
+ platform_driver_unregister(&wm831x_wdt_driver);
+}
+module_exit(wm831x_wdt_exit);
+
+MODULE_AUTHOR("Mark Brown");
+MODULE_DESCRIPTION("WM831x Watchdog");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm831x-watchdog");
diff --git a/include/linux/mfd/wm831x/watchdog.h b/include/linux/mfd/wm831x/watchdog.h
new file mode 100644
index 000000000000..97a99b52956f
--- /dev/null
+++ b/include/linux/mfd/wm831x/watchdog.h
@@ -0,0 +1,52 @@
+/*
+ * include/linux/mfd/wm831x/watchdog.h -- Watchdog for WM831x
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM831X_WATCHDOG_H__
+#define __MFD_WM831X_WATCHDOG_H__
+
+
+/*
+ * R16388 (0x4004) - Watchdog
+ */
+#define WM831X_WDOG_ENA 0x8000 /* WDOG_ENA */
+#define WM831X_WDOG_ENA_MASK 0x8000 /* WDOG_ENA */
+#define WM831X_WDOG_ENA_SHIFT 15 /* WDOG_ENA */
+#define WM831X_WDOG_ENA_WIDTH 1 /* WDOG_ENA */
+#define WM831X_WDOG_DEBUG 0x4000 /* WDOG_DEBUG */
+#define WM831X_WDOG_DEBUG_MASK 0x4000 /* WDOG_DEBUG */
+#define WM831X_WDOG_DEBUG_SHIFT 14 /* WDOG_DEBUG */
+#define WM831X_WDOG_DEBUG_WIDTH 1 /* WDOG_DEBUG */
+#define WM831X_WDOG_RST_SRC 0x2000 /* WDOG_RST_SRC */
+#define WM831X_WDOG_RST_SRC_MASK 0x2000 /* WDOG_RST_SRC */
+#define WM831X_WDOG_RST_SRC_SHIFT 13 /* WDOG_RST_SRC */
+#define WM831X_WDOG_RST_SRC_WIDTH 1 /* WDOG_RST_SRC */
+#define WM831X_WDOG_SLPENA 0x1000 /* WDOG_SLPENA */
+#define WM831X_WDOG_SLPENA_MASK 0x1000 /* WDOG_SLPENA */
+#define WM831X_WDOG_SLPENA_SHIFT 12 /* WDOG_SLPENA */
+#define WM831X_WDOG_SLPENA_WIDTH 1 /* WDOG_SLPENA */
+#define WM831X_WDOG_RESET 0x0800 /* WDOG_RESET */
+#define WM831X_WDOG_RESET_MASK 0x0800 /* WDOG_RESET */
+#define WM831X_WDOG_RESET_SHIFT 11 /* WDOG_RESET */
+#define WM831X_WDOG_RESET_WIDTH 1 /* WDOG_RESET */
+#define WM831X_WDOG_SECACT_MASK 0x0300 /* WDOG_SECACT - [9:8] */
+#define WM831X_WDOG_SECACT_SHIFT 8 /* WDOG_SECACT - [9:8] */
+#define WM831X_WDOG_SECACT_WIDTH 2 /* WDOG_SECACT - [9:8] */
+#define WM831X_WDOG_PRIMACT_MASK 0x0030 /* WDOG_PRIMACT - [5:4] */
+#define WM831X_WDOG_PRIMACT_SHIFT 4 /* WDOG_PRIMACT - [5:4] */
+#define WM831X_WDOG_PRIMACT_WIDTH 2 /* WDOG_PRIMACT - [5:4] */
+#define WM831X_WDOG_TO_MASK 0x0007 /* WDOG_TO - [2:0] */
+#define WM831X_WDOG_TO_SHIFT 0 /* WDOG_TO - [2:0] */
+#define WM831X_WDOG_TO_WIDTH 3 /* WDOG_TO - [2:0] */
+
+#endif
--
GitLab
From 0ecc3bf47b09de24c6b1163ba6558448aadd31ce Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@stericsson.com>
Date: Mon, 10 Aug 2009 00:04:35 +0200
Subject: [PATCH 629/742] [WATCHDOG] Use DIV_ROUND_UP() macro in the coh901327
WDT
I saw Julia Lawalls various commits fixing up the use of rounding
macros and since my already submitted patch was not caught in this
I took it upon myself to fix it up for this driver as well.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/coh901327_wdt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/watchdog/coh901327_wdt.c b/drivers/watchdog/coh901327_wdt.c
index aec7cefdef21..381026c0bd7b 100644
--- a/drivers/watchdog/coh901327_wdt.c
+++ b/drivers/watchdog/coh901327_wdt.c
@@ -110,7 +110,7 @@ static void coh901327_enable(u16 timeout)
* Wait 3 32 kHz cycles for it to take effect
*/
freq = clk_get_rate(clk);
- delay_ns = (1000000000 + freq - 1) / freq; /* Freq to ns and round up */
+ delay_ns = DIV_ROUND_UP(1000000000, freq); /* Freq to ns and round up */
delay_ns = 3 * delay_ns; /* Wait 3 cycles */
ndelay(delay_ns);
/* Enable the watchdog interrupt */
--
GitLab
From 9fd868f440c3d722199a14200b2a64a0a5e70221 Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Tue, 10 Feb 2009 20:30:37 -0800
Subject: [PATCH 630/742] [WATCHDOG] davinci: use clock framework for timer
frequency
Remove use of CLOCK_TICK_RATE in favor of using clock framework
for getting timer frequency.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/davinci_wdt.c | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 83e22e7ea4a2..9d7520fa9e9c 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -25,6 +25,7 @@
#include <linux/uaccess.h>
#include <linux/io.h>
#include <linux/device.h>
+#include <linux/clk.h>
#define MODULE_NAME "DAVINCI-WDT: "
@@ -69,6 +70,7 @@ static unsigned long wdt_status;
static struct resource *wdt_mem;
static void __iomem *wdt_base;
+struct clk *wdt_clk;
static void wdt_service(void)
{
@@ -86,6 +88,9 @@ static void wdt_enable(void)
{
u32 tgcr;
u32 timer_margin;
+ unsigned long wdt_freq;
+
+ wdt_freq = clk_get_rate(wdt_clk);
spin_lock(&io_lock);
@@ -99,9 +104,9 @@ static void wdt_enable(void)
iowrite32(0, wdt_base + TIM12);
iowrite32(0, wdt_base + TIM34);
/* set timeout period */
- timer_margin = (((u64)heartbeat * CLOCK_TICK_RATE) & 0xffffffff);
+ timer_margin = (((u64)heartbeat * wdt_freq) & 0xffffffff);
iowrite32(timer_margin, wdt_base + PRD12);
- timer_margin = (((u64)heartbeat * CLOCK_TICK_RATE) >> 32);
+ timer_margin = (((u64)heartbeat * wdt_freq) >> 32);
iowrite32(timer_margin, wdt_base + PRD34);
/* enable run continuously */
iowrite32(ENAMODE12_PERIODIC, wdt_base + TCR);
@@ -199,6 +204,12 @@ static int __devinit davinci_wdt_probe(struct platform_device *pdev)
struct resource *res;
struct device *dev = &pdev->dev;
+ wdt_clk = clk_get(dev, NULL);
+ if (WARN_ON(IS_ERR(wdt_clk)))
+ return PTR_ERR(wdt_clk);
+
+ clk_enable(wdt_clk);
+
if (heartbeat < 1 || heartbeat > MAX_HEARTBEAT)
heartbeat = DEFAULT_HEARTBEAT;
@@ -245,6 +256,10 @@ static int __devexit davinci_wdt_remove(struct platform_device *pdev)
kfree(wdt_mem);
wdt_mem = NULL;
}
+
+ clk_disable(wdt_clk);
+ clk_put(wdt_clk);
+
return 0;
}
--
GitLab
From dcfb748422d01245b6e89c94d85fcdb3c71a56a0 Mon Sep 17 00:00:00 2001
From: Chris Friesen <cfriesen@nortel.com>
Date: Wed, 12 Aug 2009 12:02:46 -0600
Subject: [PATCH 631/742] [WATCHDOG] fix book E watchdog to take
WDIOC_SETTIMEOUT arg in seconds
The WDIOC_SETTIMEOUT argument is supposed to be a "seconds" value.
However, the book E wdt currently treats it as a "period" which is
interpreted in a board-specific way.
This patch allows the user to pass in a "seconds" value and the driver
will set the smallest timeout that is at least as large as specified
by the user. It's been tested on e500 hardware and works as
expected.
The patch only modifies the CONFIG_FSL_BOOKE case, the CONFIG_4xx case
is left unmodified as I don't have any hardware to test it on.
Signed-off-by: Chris Friesen <cfriesen@nortel.com>
Cc: Kumar Gala <galak@gate.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/booke_wdt.c | 57 +++++++++++++++++++++++++++++++++---
1 file changed, 53 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c
index 225398fd5049..e8380ef65c1c 100644
--- a/drivers/watchdog/booke_wdt.c
+++ b/drivers/watchdog/booke_wdt.c
@@ -22,6 +22,8 @@
#include <asm/reg_booke.h>
#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/div64.h>
/* If the kernel parameter wdt=1, the watchdog will be enabled at boot.
* Also, the wdt_period sets the watchdog timer period timeout.
@@ -32,7 +34,7 @@
*/
#ifdef CONFIG_FSL_BOOKE
-#define WDT_PERIOD_DEFAULT 63 /* Ex. wdt_period=28 bus=333Mhz,reset=~40sec */
+#define WDT_PERIOD_DEFAULT 38 /* Ex. wdt_period=28 bus=333Mhz,reset=~40sec */
#else
#define WDT_PERIOD_DEFAULT 3 /* Refer to the PPC40x and PPC4xx manuals */
#endif /* for timing information */
@@ -41,7 +43,7 @@ u32 booke_wdt_enabled;
u32 booke_wdt_period = WDT_PERIOD_DEFAULT;
#ifdef CONFIG_FSL_BOOKE
-#define WDTP(x) ((((63-x)&0x3)<<30)|(((63-x)&0x3c)<<15))
+#define WDTP(x) ((((x)&0x3)<<30)|(((x)&0x3c)<<15))
#define WDTP_MASK (WDTP(0))
#else
#define WDTP(x) (TCR_WP(x))
@@ -50,6 +52,45 @@ u32 booke_wdt_period = WDT_PERIOD_DEFAULT;
static DEFINE_SPINLOCK(booke_wdt_lock);
+/* For the specified period, determine the number of seconds
+ * corresponding to the reset time. There will be a watchdog
+ * exception at approximately 3/5 of this time.
+ *
+ * The formula to calculate this is given by:
+ * 2.5 * (2^(63-period+1)) / timebase_freq
+ *
+ * In order to simplify things, we assume that period is
+ * at least 1. This will still result in a very long timeout.
+ */
+static unsigned long long period_to_sec(unsigned int period)
+{
+ unsigned long long tmp = 1ULL << (64 - period);
+ unsigned long tmp2 = ppc_tb_freq;
+
+ /* tmp may be a very large number and we don't want to overflow,
+ * so divide the timebase freq instead of multiplying tmp
+ */
+ tmp2 = tmp2 / 5 * 2;
+
+ do_div(tmp, tmp2);
+ return tmp;
+}
+
+/*
+ * This procedure will find the highest period which will give a timeout
+ * greater than the one required. e.g. for a bus speed of 66666666 and
+ * and a parameter of 2 secs, then this procedure will return a value of 38.
+ */
+static unsigned int sec_to_period(unsigned int secs)
+{
+ unsigned int period;
+ for (period = 63; period > 0; period--) {
+ if (period_to_sec(period) >= secs)
+ return period;
+ }
+ return 0;
+}
+
static void __booke_wdt_ping(void *data)
{
mtspr(SPRN_TSR, TSR_ENW|TSR_WIS);
@@ -93,7 +134,7 @@ static long booke_wdt_ioctl(struct file *file,
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user(arg, &ident, sizeof(struct watchdog_info)))
+ if (copy_to_user((void *)arg, &ident, sizeof(ident)))
return -EFAULT;
case WDIOC_GETSTATUS:
return put_user(ident.options, p);
@@ -115,8 +156,16 @@ static long booke_wdt_ioctl(struct file *file,
booke_wdt_ping();
return 0;
case WDIOC_SETTIMEOUT:
- if (get_user(booke_wdt_period, p))
+ if (get_user(tmp, p))
return -EFAULT;
+#ifdef CONFIG_FSL_BOOKE
+ /* period of 1 gives the largest possible timeout */
+ if (tmp > period_to_sec(1))
+ return -EINVAL;
+ booke_wdt_period = sec_to_period(tmp);
+#else
+ booke_wdt_period = tmp;
+#endif
mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP_MASK) |
WDTP(booke_wdt_period));
return 0;
--
GitLab
From 64d4062a3813e4816f31e2f49fd42129411975f8 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <florian@openwrt.org>
Date: Tue, 21 Jul 2009 12:11:32 +0200
Subject: [PATCH 632/742] [WATCHDOG] ar7_wdt: convert to become a platform
driver
This patch converts the ar7_wdt driver to become
a platform driver. The AR7 SoC specific identification
and base register calculation is performed by the board
code, therefore we no longer need to have access to
ar7_chip_id. We also remove the reboot notifier code to
use the platform shutdown method as Wim suggested.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/ar7_wdt.c | 106 ++++++++++++++++++-------------------
1 file changed, 53 insertions(+), 53 deletions(-)
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index 2f8643efe92c..82855b063754 100644
--- a/drivers/watchdog/ar7_wdt.c
+++ b/drivers/watchdog/ar7_wdt.c
@@ -28,9 +28,8 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/miscdevice.h>
+#include <linux/platform_device.h>
#include <linux/watchdog.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
#include <linux/fs.h>
#include <linux/ioport.h>
#include <linux/io.h>
@@ -76,24 +75,10 @@ static unsigned expect_close;
/* XXX currently fixed, allows max margin ~68.72 secs */
#define prescale_value 0xffff
-/* Offset of the WDT registers */
-static unsigned long ar7_regs_wdt;
+/* Resource of the WDT registers */
+static struct resource *ar7_regs_wdt;
/* Pointer to the remapped WDT IO space */
static struct ar7_wdt *ar7_wdt;
-static void ar7_wdt_get_regs(void)
-{
- u16 chip_id = ar7_chip_id();
- switch (chip_id) {
- case AR7_CHIP_7100:
- case AR7_CHIP_7200:
- ar7_regs_wdt = AR7_REGS_WDT;
- break;
- default:
- ar7_regs_wdt = UR8_REGS_WDT;
- break;
- }
-}
-
static void ar7_wdt_kick(u32 value)
{
@@ -202,20 +187,6 @@ static int ar7_wdt_release(struct inode *inode, struct file *file)
return 0;
}
-static int ar7_wdt_notify_sys(struct notifier_block *this,
- unsigned long code, void *unused)
-{
- if (code == SYS_HALT || code == SYS_POWER_OFF)
- if (!nowayout)
- ar7_wdt_disable_wdt();
-
- return NOTIFY_DONE;
-}
-
-static struct notifier_block ar7_wdt_notifier = {
- .notifier_call = ar7_wdt_notify_sys,
-};
-
static ssize_t ar7_wdt_write(struct file *file, const char *data,
size_t len, loff_t *ppos)
{
@@ -299,56 +270,85 @@ static struct miscdevice ar7_wdt_miscdev = {
.fops = &ar7_wdt_fops,
};
-static int __init ar7_wdt_init(void)
+static int __devinit ar7_wdt_probe(struct platform_device *pdev)
{
int rc;
spin_lock_init(&wdt_lock);
- ar7_wdt_get_regs();
+ ar7_regs_wdt =
+ platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
+ if (!ar7_regs_wdt) {
+ printk(KERN_ERR DRVNAME ": could not get registers resource\n");
+ rc = -ENODEV;
+ goto out;
+ }
- if (!request_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt),
- LONGNAME)) {
+ if (!request_mem_region(ar7_regs_wdt->start,
+ resource_size(ar7_regs_wdt), LONGNAME)) {
printk(KERN_WARNING DRVNAME ": watchdog I/O region busy\n");
- return -EBUSY;
+ rc = -EBUSY;
+ goto out;
}
- ar7_wdt = (struct ar7_wdt *)
- ioremap(ar7_regs_wdt, sizeof(struct ar7_wdt));
+ ar7_wdt = ioremap(ar7_regs_wdt->start, resource_size(ar7_regs_wdt));
+ if (!ar7_wdt) {
+ printk(KERN_ERR DRVNAME ": could not ioremap registers\n");
+ rc = -ENXIO;
+ goto out;
+ }
ar7_wdt_disable_wdt();
ar7_wdt_prescale(prescale_value);
ar7_wdt_update_margin(margin);
- rc = register_reboot_notifier(&ar7_wdt_notifier);
- if (rc) {
- printk(KERN_ERR DRVNAME
- ": unable to register reboot notifier\n");
- goto out_alloc;
- }
-
rc = misc_register(&ar7_wdt_miscdev);
if (rc) {
printk(KERN_ERR DRVNAME ": unable to register misc device\n");
- goto out_register;
+ goto out_alloc;
}
goto out;
-out_register:
- unregister_reboot_notifier(&ar7_wdt_notifier);
out_alloc:
iounmap(ar7_wdt);
- release_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt));
+ release_mem_region(ar7_regs_wdt->start, resource_size(ar7_regs_wdt));
out:
return rc;
}
-static void __exit ar7_wdt_cleanup(void)
+static int __devexit ar7_wdt_remove(struct platform_device *pdev)
{
misc_deregister(&ar7_wdt_miscdev);
- unregister_reboot_notifier(&ar7_wdt_notifier);
iounmap(ar7_wdt);
- release_mem_region(ar7_regs_wdt, sizeof(struct ar7_wdt));
+ release_mem_region(ar7_regs_wdt->start, resource_size(ar7_regs_wdt));
+
+ return 0;
+}
+
+static void ar7_wdt_shutdown(struct platform_device *pdev)
+{
+ if (!nowayout)
+ ar7_wdt_disable_wdt();
+}
+
+static struct platform_driver ar7_wdt_driver = {
+ .probe = ar7_wdt_probe,
+ .remove = __devexit_p(ar7_wdt_remove),
+ .shutdown = ar7_wdt_shutdown,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = "ar7_wdt",
+ },
+};
+
+static int __init ar7_wdt_init(void)
+{
+ return platform_driver_register(&ar7_wdt_driver);
+}
+
+static void __exit ar7_wdt_cleanup(void)
+{
+ platform_driver_unregister(&ar7_wdt_driver);
}
module_init(ar7_wdt_init);
--
GitLab
From d7e9791bc1cbf635f13859216a825af5199a2061 Mon Sep 17 00:00:00 2001
From: Wim Van Sebroeck <wim@iguana.be>
Date: Mon, 31 Aug 2009 13:49:14 +0000
Subject: [PATCH 633/742] [WATCHDOG] ar7_wdt: Fix error handling during probe.
Fix error handling in the probe function.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Tested-by: Florian Fainelli <florian@openwrt.org>
---
drivers/watchdog/ar7_wdt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index 82855b063754..2e94b71b20d9 100644
--- a/drivers/watchdog/ar7_wdt.c
+++ b/drivers/watchdog/ar7_wdt.c
@@ -295,7 +295,7 @@ static int __devinit ar7_wdt_probe(struct platform_device *pdev)
if (!ar7_wdt) {
printk(KERN_ERR DRVNAME ": could not ioremap registers\n");
rc = -ENXIO;
- goto out;
+ goto out_mem_region;
}
ar7_wdt_disable_wdt();
@@ -311,6 +311,7 @@ static int __devinit ar7_wdt_probe(struct platform_device *pdev)
out_alloc:
iounmap(ar7_wdt);
+out_mem_region:
release_mem_region(ar7_regs_wdt->start, resource_size(ar7_regs_wdt));
out:
return rc;
--
GitLab
From 119d3e56e7c82a73d27b5dd010c52dab1bc9f846 Mon Sep 17 00:00:00 2001
From: Wim Van Sebroeck <wim@iguana.be>
Date: Thu, 6 Aug 2009 18:57:49 +0000
Subject: [PATCH 634/742] [WATCHDOG] wdt_pci - use pci_request_region
Use pci_request_region instead of request_region for this pci_driver.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/wdt_pci.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c
index 7a1bdc7c95a9..02b6bdaa2dee 100644
--- a/drivers/watchdog/wdt_pci.c
+++ b/drivers/watchdog/wdt_pci.c
@@ -647,14 +647,15 @@ static int __devinit wdtpci_init_one(struct pci_dev *dev,
goto out_pci;
}
- irq = dev->irq;
- io = pci_resource_start(dev, 2);
-
- if (request_region(io, 16, "wdt_pci") == NULL) {
- printk(KERN_ERR PFX "I/O address 0x%04x already in use\n", io);
+ if (pci_request_region(dev, 2, "wdt_pci")) {
+ printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
+ pci_resource_start(dev, 2));
goto out_pci;
}
+ irq = dev->irq;
+ io = pci_resource_start(dev, 2);
+
if (request_irq(irq, wdtpci_interrupt, IRQF_DISABLED | IRQF_SHARED,
"wdt_pci", &wdtpci_miscdev)) {
printk(KERN_ERR PFX "IRQ %d is not free\n", irq);
@@ -717,7 +718,7 @@ out_rbt:
out_irq:
free_irq(irq, &wdtpci_miscdev);
out_reg:
- release_region(io, 16);
+ pci_release_region(dev, 2);
out_pci:
pci_disable_device(dev);
goto out;
@@ -733,7 +734,7 @@ static void __devexit wdtpci_remove_one(struct pci_dev *pdev)
misc_deregister(&temp_miscdev);
unregister_reboot_notifier(&wdtpci_notifier);
free_irq(irq, &wdtpci_miscdev);
- release_region(io, 16);
+ pci_release_region(pdev, 2);
pci_disable_device(pdev);
dev_count--;
}
--
GitLab
From d1833c21256e7b0ac3997493d31f0f3926f6d592 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 7 Aug 2009 15:02:00 -0700
Subject: [PATCH 635/742] [WATCHDOG] wdt_pci: fix printk and variable type
Fix printk format warning:
drivers/watchdog/wdt_pci.c:652: warning: format '%04x' expects type 'unsigned int', but argument 2 has type 'resource_size_t'
and then use resource_size_t for the "io" variable as well
so that it won't be truncated.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/wdt_pci.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c
index 02b6bdaa2dee..f368dd87083a 100644
--- a/drivers/watchdog/wdt_pci.c
+++ b/drivers/watchdog/wdt_pci.c
@@ -80,7 +80,7 @@ static unsigned long open_lock;
static DEFINE_SPINLOCK(wdtpci_lock);
static char expect_close;
-static int io;
+static resource_size_t io;
static int irq;
/* Default timeout */
@@ -648,8 +648,8 @@ static int __devinit wdtpci_init_one(struct pci_dev *dev,
}
if (pci_request_region(dev, 2, "wdt_pci")) {
- printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
- pci_resource_start(dev, 2));
+ printk(KERN_ERR PFX "I/O address 0x%llx already in use\n",
+ (unsigned long long)pci_resource_start(dev, 2));
goto out_pci;
}
@@ -663,8 +663,8 @@ static int __devinit wdtpci_init_one(struct pci_dev *dev,
}
printk(KERN_INFO
- "PCI-WDT500/501 (PCI-WDG-CSM) driver 0.10 at 0x%04x (Interrupt %d)\n",
- io, irq);
+ "PCI-WDT500/501 (PCI-WDG-CSM) driver 0.10 at 0x%llx (Interrupt %d)\n",
+ (unsigned long long)io, irq);
/* Check that the heartbeat value is within its range;
if not reset to the default */
--
GitLab
From e04ab958727a4b314df3e40036d72d9348835d0c Mon Sep 17 00:00:00 2001
From: Wim Van Sebroeck <wim@iguana.be>
Date: Wed, 2 Sep 2009 09:10:07 +0000
Subject: [PATCH 636/742] [WATCHDOG] sizeof cleanup
Use sizeof(*) instead of sizeof * (See Codingstyle documentation).
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/iop_wdt.c | 2 +-
drivers/watchdog/rm9k_wdt.c | 2 +-
drivers/watchdog/sc1200wdt.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/watchdog/iop_wdt.c b/drivers/watchdog/iop_wdt.c
index 0c9059676690..aef94789019f 100644
--- a/drivers/watchdog/iop_wdt.c
+++ b/drivers/watchdog/iop_wdt.c
@@ -139,7 +139,7 @@ static long iop_wdt_ioctl(struct file *file,
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user(argp, &ident, sizeof ident))
+ if (copy_to_user(argp, &ident, sizeof(ident)))
ret = -EFAULT;
else
ret = 0;
diff --git a/drivers/watchdog/rm9k_wdt.c b/drivers/watchdog/rm9k_wdt.c
index 2e4442642262..bb66958b9433 100644
--- a/drivers/watchdog/rm9k_wdt.c
+++ b/drivers/watchdog/rm9k_wdt.c
@@ -340,7 +340,7 @@ static const struct resource *wdt_gpi_get_resource(struct platform_device *pdv,
const char *name, unsigned int type)
{
char buf[80];
- if (snprintf(buf, sizeof buf, "%s_0", name) >= sizeof buf)
+ if (snprintf(buf, sizeof(buf), "%s_0", name) >= sizeof(buf))
return NULL;
return platform_get_resource_byname(pdv, type, buf);
}
diff --git a/drivers/watchdog/sc1200wdt.c b/drivers/watchdog/sc1200wdt.c
index b5e19c1820a2..c01daca8405a 100644
--- a/drivers/watchdog/sc1200wdt.c
+++ b/drivers/watchdog/sc1200wdt.c
@@ -197,7 +197,7 @@ static long sc1200wdt_ioctl(struct file *file, unsigned int cmd,
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user(argp, &ident, sizeof ident))
+ if (copy_to_user(argp, &ident, sizeof(ident)))
return -EFAULT;
return 0;
--
GitLab
From 1358870deaf11a752a84fbd89201749aa62498e8 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Fri, 18 Sep 2009 12:22:29 -0400
Subject: [PATCH 637/742] ext4: Update documentation about quota mount options
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
Documentation/filesystems/ext4.txt | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index 3e329dbac785..18b5ec8cea45 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -257,10 +257,18 @@ resuid=n The user ID which may use the reserved blocks.
sb=n Use alternate superblock at this location.
-quota
-noquota
-grpquota
-usrquota
+quota These options are ignored by the filesystem. They
+noquota are used only by quota tools to recognize volumes
+grpquota where quota should be turned on. See documentation
+usrquota in the quota-tools package for more details
+ (http://sourceforge.net/projects/linuxquota).
+
+jqfmt=<quota type> These options tell filesystem details about quota
+usrjquota=<file> so that quota information can be properly updated
+grpjquota=<file> during journal replay. They replace the above
+ quota options. See documentation in the quota-tools
+ package for more details
+ (http://sourceforge.net/projects/linuxquota).
bh (*) ext4 associates buffer heads to data pages to
nobh (a) cache disk block mapping information
--
GitLab
From 8f1ecc9fbc5b223e4f5d5bb8bcd6f5672c4bc4b6 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Thu, 17 Sep 2009 19:26:04 -0700
Subject: [PATCH 638/742] kref: double kref_put() in my_data_handler()
The kref_put() already occurs after the out label
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
Documentation/kref.txt | 1 -
1 file changed, 1 deletion(-)
diff --git a/Documentation/kref.txt b/Documentation/kref.txt
index 130b6e87aa7e..ae203f91ee9b 100644
--- a/Documentation/kref.txt
+++ b/Documentation/kref.txt
@@ -84,7 +84,6 @@ int my_data_handler(void)
task = kthread_run(more_data_handling, data, "more_data_handling");
if (task == ERR_PTR(-ENOMEM)) {
rv = -ENOMEM;
- kref_put(&data->refcount, data_release);
goto out;
}
--
GitLab
From 27f5de7963f46388932472b660f2f9a86ab58454 Mon Sep 17 00:00:00 2001
From: Jianjun Kong <jianjun@zeuux.org>
Date: Thu, 17 Sep 2009 19:26:26 -0700
Subject: [PATCH 639/742] mm: Fix problem of parameter in note
'current' is a pointer, so the right form is 'down_write(¤t->mm->mmap_sem)'.
Signed-off-by: Jianjun Kong <jianjun@zeuux.org>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/mmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/mmap.c b/mm/mmap.c
index 8101de490c73..26892e346d8f 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -905,7 +905,7 @@ void vm_stat_account(struct mm_struct *mm, unsigned long flags,
#endif /* CONFIG_PROC_FS */
/*
- * The caller must hold down_write(current->mm->mmap_sem).
+ * The caller must hold down_write(¤t->mm->mmap_sem).
*/
unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
--
GitLab
From 6423133bdee0e07d1c2f8411cb3fe676c207ba33 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Thu, 17 Sep 2009 19:26:53 -0700
Subject: [PATCH 640/742] kernel-doc: allow multi-line declaration purpose
descriptions
Allow the short description after symbol name and dash in a kernel-doc
comment to span multiple lines, e.g. like this:
/**
* unmap_mapping_range - unmap the portion of all mmaps in the
* specified address_space corresponding to the specified
* page range in the underlying file.
* @mapping: the address space containing mmaps to be unmapped.
* ...
*/
The short description ends with a parameter description, an empty line
or the end of the comment block.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
Documentation/kernel-doc-nano-HOWTO.txt | 4 +++-
scripts/kernel-doc | 21 ++++++++++++++++-----
2 files changed, 19 insertions(+), 6 deletions(-)
diff --git a/Documentation/kernel-doc-nano-HOWTO.txt b/Documentation/kernel-doc-nano-HOWTO.txt
index 4d04572b6549..348b9e5e28fc 100644
--- a/Documentation/kernel-doc-nano-HOWTO.txt
+++ b/Documentation/kernel-doc-nano-HOWTO.txt
@@ -66,7 +66,9 @@ Example kernel-doc function comment:
* The longer description can have multiple paragraphs.
*/
-The first line, with the short description, must be on a single line.
+The short description following the subject can span multiple lines
+and ends with an @argument description, an empty line or the end of
+the comment block.
The @argument descriptions must begin on the very next line following
this opening short function description line, with no intervening
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index b52d340d759d..ea9f8a58678f 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1995,6 +1995,7 @@ sub process_file($) {
my $identifier;
my $func;
my $descr;
+ my $in_purpose = 0;
my $initial_section_counter = $section_counter;
if (defined($ENV{'SRCTREE'})) {
@@ -2044,6 +2045,7 @@ sub process_file($) {
$descr =~ s/\s*$//;
$descr =~ s/\s+/ /;
$declaration_purpose = xml_escape($descr);
+ $in_purpose = 1;
} else {
$declaration_purpose = "";
}
@@ -2090,6 +2092,7 @@ sub process_file($) {
}
$in_doc_sect = 1;
+ $in_purpose = 0;
$contents = $newcontents;
if ($contents ne "") {
while ((substr($contents, 0, 1) eq " ") ||
@@ -2119,11 +2122,19 @@ sub process_file($) {
} elsif (/$doc_content/) {
# miguel-style comment kludge, look for blank lines after
# @parameter line to signify start of description
- if ($1 eq "" &&
- ($section =~ m/^@/ || $section eq $section_context)) {
- dump_section($file, $section, xml_escape($contents));
- $section = $section_default;
- $contents = "";
+ if ($1 eq "") {
+ if ($section =~ m/^@/ || $section eq $section_context) {
+ dump_section($file, $section, xml_escape($contents));
+ $section = $section_default;
+ $contents = "";
+ } else {
+ $contents .= "\n";
+ }
+ $in_purpose = 0;
+ } elsif ($in_purpose == 1) {
+ # Continued declaration purpose
+ chomp($declaration_purpose);
+ $declaration_purpose .= " " . xml_escape($1);
} else {
$contents .= $1 . "\n";
}
--
GitLab
From 6952b61de9984073289859073e8195ad0bee8fd5 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Fri, 18 Sep 2009 23:55:55 +0400
Subject: [PATCH 641/742] headers: taskstats_kern.h trim
Remove net/genetlink.h inclusion, now sched.c won't be recompiled
because of some networking changes.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/delayacct.h | 1 -
include/linux/taskstats_kern.h | 1 -
kernel/delayacct.c | 1 +
mm/memory.c | 1 +
4 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h
index f352f06fa063..5076fe0c8a96 100644
--- a/include/linux/delayacct.h
+++ b/include/linux/delayacct.h
@@ -18,7 +18,6 @@
#define _LINUX_DELAYACCT_H
#include <linux/sched.h>
-#include <linux/taskstats_kern.h>
/*
* Per-task flags relevant to delay accounting
diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h
index 7e9680f4afdd..3398f4553269 100644
--- a/include/linux/taskstats_kern.h
+++ b/include/linux/taskstats_kern.h
@@ -9,7 +9,6 @@
#include <linux/taskstats.h>
#include <linux/sched.h>
-#include <net/genetlink.h>
#ifdef CONFIG_TASKSTATS
extern struct kmem_cache *taskstats_cache;
diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index abb6e17505e2..ead9b610aa71 100644
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -15,6 +15,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/taskstats.h>
#include <linux/time.h>
#include <linux/sysctl.h>
#include <linux/delayacct.h>
diff --git a/mm/memory.c b/mm/memory.c
index aede2ce3aba4..e8f63d9961ea 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -56,6 +56,7 @@
#include <linux/swapops.h>
#include <linux/elf.h>
+#include <asm/io.h>
#include <asm/pgalloc.h>
#include <asm/uaccess.h>
#include <asm/tlb.h>
--
GitLab
From 88ddb81e0f56cc7b603174d9666ecc80237425a0 Mon Sep 17 00:00:00 2001
From: Nelson Elhage <nelhage@ksplice.com>
Date: Fri, 18 Sep 2009 15:52:07 -0400
Subject: [PATCH 642/742] frv: remove unused .altinstructions code
It appears that frv copied the .altinstructions definitions in its linker
script from x86. Since frv doesn't put anything in those sections, this
is just dead code.
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/frv/kernel/vmlinux.lds.S | 5 -----
1 file changed, 5 deletions(-)
diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S
index 7dbf41f68b52..cfb41813193c 100644
--- a/arch/frv/kernel/vmlinux.lds.S
+++ b/arch/frv/kernel/vmlinux.lds.S
@@ -51,11 +51,6 @@ SECTIONS
.con_initcall.init : { *(.con_initcall.init) }
__con_initcall_end = .;
SECURITY_INIT
- . = ALIGN(4);
- __alt_instructions = .;
- .altinstructions : { *(.altinstructions) }
- __alt_instructions_end = .;
- .altinstr_replacement : { *(.altinstr_replacement) }
PERCPU(4096)
--
GitLab
From 9c88b25bcfde51eccf2cca13d933a2948d0ca4eb Mon Sep 17 00:00:00 2001
From: Nelson Elhage <nelhage@ksplice.com>
Date: Fri, 18 Sep 2009 15:52:08 -0400
Subject: [PATCH 643/742] frv: clean up linker script using new linker script
macros.
This is largely a straightforward conversion. The patch results in
fewer output sections, and some data being reordered, but should have
no functional impact.
Also, note that this patch moves some data (namely, init_task and
cacheline-aligned) inside [_sdata,_edata].
Because frv already builds using -ffunction-sections -fdata-sections,
we can't use BSS_SECTION or RW_DATA_SECTION yet, since they do not
currently include the required .bss.* and .data.* sections.
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/frv/kernel/vmlinux.lds.S | 61 ++++-------------------------------
1 file changed, 7 insertions(+), 54 deletions(-)
diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S
index cfb41813193c..cbe811fccfcc 100644
--- a/arch/frv/kernel/vmlinux.lds.S
+++ b/arch/frv/kernel/vmlinux.lds.S
@@ -35,45 +35,13 @@ SECTIONS
#endif
}
_einittext = .;
- .init.data : { INIT_DATA }
-
- . = ALIGN(8);
- __setup_start = .;
- .setup.init : { KEEP(*(.init.setup)) }
- __setup_end = .;
-
- __initcall_start = .;
- .initcall.init : {
- INITCALLS
- }
- __initcall_end = .;
- __con_initcall_start = .;
- .con_initcall.init : { *(.con_initcall.init) }
- __con_initcall_end = .;
- SECURITY_INIT
+ INIT_DATA_SECTION(8)
PERCPU(4096)
-#ifdef CONFIG_BLK_DEV_INITRD
- . = ALIGN(4096);
- __initramfs_start = .;
- .init.ramfs : { *(.init.ramfs) }
- __initramfs_end = .;
-#endif
-
- . = ALIGN(THREAD_SIZE);
+ . = ALIGN(PAGE_SIZE);
__init_end = .;
- /* put sections together that have massive alignment issues */
- . = ALIGN(THREAD_SIZE);
- .data.init_task : {
- /* init task record & stack */
- *(.data.init_task)
- }
-
- . = ALIGN(L1_CACHE_BYTES);
- .data.cacheline_aligned : { *(.data.cacheline_aligned) }
-
.trap : {
/* trap table management - read entry-table.S before modifying */
. = ALIGN(8192);
@@ -119,13 +87,12 @@ SECTIONS
}
- . = ALIGN(8); /* Exception table */
- __start___ex_table = .;
- __ex_table : { KEEP(*(__ex_table)) }
- __stop___ex_table = .;
+ EXCEPTION_TABLE(8)
_sdata = .;
.data : { /* Data */
+ INIT_TASK_DATA(THREAD_SIZE)
+ CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES)
DATA_DATA
*(.data.*)
EXIT_DATA
@@ -154,22 +121,8 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
__kernel_image_end = .;
- /* Stabs debugging sections. */
- .stab 0 : { *(.stab) }
- .stabstr 0 : { *(.stabstr) }
- .stab.excl 0 : { *(.stab.excl) }
- .stab.exclstr 0 : { *(.stab.exclstr) }
- .stab.index 0 : { *(.stab.index) }
- .stab.indexstr 0 : { *(.stab.indexstr) }
-
- .debug_line 0 : { *(.debug_line) }
- .debug_info 0 : { *(.debug_info) }
- .debug_abbrev 0 : { *(.debug_abbrev) }
- .debug_aranges 0 : { *(.debug_aranges) }
- .debug_frame 0 : { *(.debug_frame) }
- .debug_pubnames 0 : { *(.debug_pubnames) }
- .debug_str 0 : { *(.debug_str) }
- .debug_ranges 0 : { *(.debug_ranges) }
+ STABS_DEBUG
+ DWARF_DEBUG
.comment 0 : { *(.comment) }
--
GitLab
From 3240a77b515f4a15e24d8a3a2135bc87b02cf1d6 Mon Sep 17 00:00:00 2001
From: Geoffrey Thomas <geofft@ksplice.com>
Date: Fri, 18 Sep 2009 15:52:09 -0400
Subject: [PATCH 644/742] sparc: Clean up linker script using new linker script
macros.
Signed-off-by: Geoffrey Thomas <geofft@ksplice.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/sparc/kernel/vmlinux.lds.S | 75 +++------------------------------
1 file changed, 7 insertions(+), 68 deletions(-)
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index 866390feb683..4e5992593967 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -51,70 +51,27 @@ SECTIONS
_etext = .;
RO_DATA(PAGE_SIZE)
- .data : {
- DATA_DATA
- CONSTRUCTORS
- }
.data1 : {
*(.data1)
}
- . = ALIGN(SMP_CACHE_BYTES);
- .data.cacheline_aligned : {
- *(.data.cacheline_aligned)
- }
- . = ALIGN(SMP_CACHE_BYTES);
- .data.read_mostly : {
- *(.data.read_mostly)
- }
+ RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE)
+
/* End of data section */
_edata = .;
- /* init_task */
- . = ALIGN(THREAD_SIZE);
- .data.init_task : {
- *(.data.init_task)
- }
.fixup : {
__start___fixup = .;
*(.fixup)
__stop___fixup = .;
}
- . = ALIGN(16);
- __ex_table : {
- __start___ex_table = .;
- *(__ex_table)
- __stop___ex_table = .;
- }
+ EXCEPTION_TABLE(16)
NOTES
. = ALIGN(PAGE_SIZE);
- .init.text : {
- __init_begin = .;
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- }
+ __init_begin = ALIGN(PAGE_SIZE);
+ INIT_TEXT_SECTION(PAGE_SIZE)
__init_text_end = .;
- .init.data : {
- INIT_DATA
- }
- . = ALIGN(16);
- .init.setup : {
- __setup_start = .;
- *(.init.setup)
- __setup_end = .;
- }
- .initcall.init : {
- __initcall_start = .;
- INITCALLS
- __initcall_end = .;
- }
- .con_initcall.init : {
- __con_initcall_start = .;
- *(.con_initcall.init)
- __con_initcall_end = .;
- }
- SECURITY_INIT
+ INIT_DATA_SECTION(16)
. = ALIGN(4);
.tsb_ldquad_phys_patch : {
@@ -146,29 +103,11 @@ SECTIONS
__sun4v_2insn_patch_end = .;
}
-#ifdef CONFIG_BLK_DEV_INITRD
- . = ALIGN(PAGE_SIZE);
- .init.ramfs : {
- __initramfs_start = .;
- *(.init.ramfs)
- __initramfs_end = .;
- }
-#endif
-
PERCPU(PAGE_SIZE)
. = ALIGN(PAGE_SIZE);
__init_end = .;
- __bss_start = .;
- .sbss : {
- *(.sbss)
- *(.scommon)
- }
- .bss : {
- *(.dynbss)
- *(.bss)
- *(COMMON)
- }
+ BSS_SECTION(0, 0, 0)
_end = . ;
STABS_DEBUG
--
GitLab
From e454cea20bdcff10ee698d11b8882662a0153a47 Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay.sievers@vrfy.org>
Date: Fri, 18 Sep 2009 23:01:12 +0200
Subject: [PATCH 645/742] Driver-Core: extend devnode callbacks to provide
permissions
This allows subsytems to provide devtmpfs with non-default permissions
for the device node. Instead of the default mode of 0600, null, zero,
random, urandom, full, tty, ptmx now have a mode of 0666, which allows
non-privileged processes to access standard device nodes in case no
other userspace process applies the expected permissions.
This also fixes a wrong assignment in pktcdvd and a checkpatch.pl complain.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
arch/x86/kernel/cpuid.c | 4 ++--
arch/x86/kernel/microcode_core.c | 2 +-
arch/x86/kernel/msr.c | 4 ++--
block/bsg.c | 4 ++--
block/genhd.c | 8 ++++----
drivers/base/core.c | 19 ++++++++++++-------
drivers/base/devtmpfs.c | 24 ++++++++++++++++--------
drivers/block/aoe/aoechr.c | 4 ++--
drivers/block/pktcdvd.c | 6 +++---
drivers/char/hw_random/core.c | 2 +-
drivers/char/mem.c | 29 +++++++++++++++++++----------
drivers/char/misc.c | 10 ++++++----
drivers/char/raw.c | 4 ++--
drivers/char/tty_io.c | 11 +++++++++++
drivers/gpu/drm/drm_sysfs.c | 4 ++--
drivers/hid/usbhid/hiddev.c | 4 ++--
drivers/input/input.c | 4 ++--
drivers/md/dm-ioctl.c | 2 +-
drivers/media/dvb/dvb-core/dvbdev.c | 4 ++--
drivers/net/tun.c | 2 +-
drivers/usb/class/usblp.c | 4 ++--
drivers/usb/core/file.c | 8 ++++----
drivers/usb/core/usb.c | 4 ++--
drivers/usb/misc/iowarrior.c | 4 ++--
drivers/usb/misc/legousbtower.c | 4 ++--
include/linux/device.h | 7 ++++---
include/linux/genhd.h | 2 +-
include/linux/miscdevice.h | 3 ++-
include/linux/usb.h | 4 ++--
sound/sound_core.c | 4 ++--
30 files changed, 116 insertions(+), 79 deletions(-)
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index b07af8861244..6a52d4b36a30 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -182,7 +182,7 @@ static struct notifier_block __refdata cpuid_class_cpu_notifier =
.notifier_call = cpuid_class_cpu_callback,
};
-static char *cpuid_nodename(struct device *dev)
+static char *cpuid_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "cpu/%u/cpuid", MINOR(dev->devt));
}
@@ -203,7 +203,7 @@ static int __init cpuid_init(void)
err = PTR_ERR(cpuid_class);
goto out_chrdev;
}
- cpuid_class->nodename = cpuid_nodename;
+ cpuid_class->devnode = cpuid_devnode;
for_each_online_cpu(i) {
err = cpuid_device_create(i);
if (err != 0)
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index 9371448290ac..0db7969b0dde 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -236,7 +236,7 @@ static const struct file_operations microcode_fops = {
static struct miscdevice microcode_dev = {
.minor = MICROCODE_MINOR,
.name = "microcode",
- .devnode = "cpu/microcode",
+ .nodename = "cpu/microcode",
.fops = µcode_fops,
};
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 7dd950094178..6a3cefc7dda1 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -241,7 +241,7 @@ static struct notifier_block __refdata msr_class_cpu_notifier = {
.notifier_call = msr_class_cpu_callback,
};
-static char *msr_nodename(struct device *dev)
+static char *msr_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "cpu/%u/msr", MINOR(dev->devt));
}
@@ -262,7 +262,7 @@ static int __init msr_init(void)
err = PTR_ERR(msr_class);
goto out_chrdev;
}
- msr_class->nodename = msr_nodename;
+ msr_class->devnode = msr_devnode;
for_each_online_cpu(i) {
err = msr_device_create(i);
if (err != 0)
diff --git a/block/bsg.c b/block/bsg.c
index 5f184bb3ff9e..0676301f16d0 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -1062,7 +1062,7 @@ EXPORT_SYMBOL_GPL(bsg_register_queue);
static struct cdev bsg_cdev;
-static char *bsg_nodename(struct device *dev)
+static char *bsg_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "bsg/%s", dev_name(dev));
}
@@ -1087,7 +1087,7 @@ static int __init bsg_init(void)
ret = PTR_ERR(bsg_class);
goto destroy_kmemcache;
}
- bsg_class->nodename = bsg_nodename;
+ bsg_class->devnode = bsg_devnode;
ret = alloc_chrdev_region(&devid, 0, BSG_MAX_DEVS, "bsg");
if (ret)
diff --git a/block/genhd.c b/block/genhd.c
index 2ad91ddad8e2..517e4332cb37 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -998,12 +998,12 @@ struct class block_class = {
.name = "block",
};
-static char *block_nodename(struct device *dev)
+static char *block_devnode(struct device *dev, mode_t *mode)
{
struct gendisk *disk = dev_to_disk(dev);
- if (disk->nodename)
- return disk->nodename(disk);
+ if (disk->devnode)
+ return disk->devnode(disk, mode);
return NULL;
}
@@ -1011,7 +1011,7 @@ static struct device_type disk_type = {
.name = "disk",
.groups = disk_attr_groups,
.release = disk_release,
- .nodename = block_nodename,
+ .devnode = block_devnode,
};
#ifdef CONFIG_PROC_FS
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 390e664ec1c7..6bee6af8d8e1 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -166,13 +166,16 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj,
if (MAJOR(dev->devt)) {
const char *tmp;
const char *name;
+ mode_t mode = 0;
add_uevent_var(env, "MAJOR=%u", MAJOR(dev->devt));
add_uevent_var(env, "MINOR=%u", MINOR(dev->devt));
- name = device_get_nodename(dev, &tmp);
+ name = device_get_devnode(dev, &mode, &tmp);
if (name) {
add_uevent_var(env, "DEVNAME=%s", name);
kfree(tmp);
+ if (mode)
+ add_uevent_var(env, "DEVMODE=%#o", mode & 0777);
}
}
@@ -1148,8 +1151,9 @@ static struct device *next_device(struct klist_iter *i)
}
/**
- * device_get_nodename - path of device node file
+ * device_get_devnode - path of device node file
* @dev: device
+ * @mode: returned file access mode
* @tmp: possibly allocated string
*
* Return the relative path of a possible device node.
@@ -1157,21 +1161,22 @@ static struct device *next_device(struct klist_iter *i)
* a name. This memory is returned in tmp and needs to be
* freed by the caller.
*/
-const char *device_get_nodename(struct device *dev, const char **tmp)
+const char *device_get_devnode(struct device *dev,
+ mode_t *mode, const char **tmp)
{
char *s;
*tmp = NULL;
/* the device type may provide a specific name */
- if (dev->type && dev->type->nodename)
- *tmp = dev->type->nodename(dev);
+ if (dev->type && dev->type->devnode)
+ *tmp = dev->type->devnode(dev, mode);
if (*tmp)
return *tmp;
/* the class may provide a specific name */
- if (dev->class && dev->class->nodename)
- *tmp = dev->class->nodename(dev);
+ if (dev->class && dev->class->devnode)
+ *tmp = dev->class->devnode(dev, mode);
if (*tmp)
return *tmp;
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index fd488ad4263a..a1cb5afe6801 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -6,9 +6,10 @@
* During bootup, before any driver core device is registered,
* devtmpfs, a tmpfs-based filesystem is created. Every driver-core
* device which requests a device node, will add a node in this
- * filesystem. The node is named after the the name of the device,
- * or the susbsytem can provide a custom name. All devices are
- * owned by root and have a mode of 0600.
+ * filesystem.
+ * By default, all devices are named after the the name of the
+ * device, owned by root and have a default mode of 0600. Subsystems
+ * can overwrite the default setting if needed.
*/
#include <linux/kernel.h>
@@ -20,6 +21,7 @@
#include <linux/fs.h>
#include <linux/shmem_fs.h>
#include <linux/cred.h>
+#include <linux/sched.h>
#include <linux/init_task.h>
static struct vfsmount *dev_mnt;
@@ -134,7 +136,7 @@ int devtmpfs_create_node(struct device *dev)
const char *tmp = NULL;
const char *nodename;
const struct cred *curr_cred;
- mode_t mode;
+ mode_t mode = 0;
struct nameidata nd;
struct dentry *dentry;
int err;
@@ -142,14 +144,16 @@ int devtmpfs_create_node(struct device *dev)
if (!dev_mnt)
return 0;
- nodename = device_get_nodename(dev, &tmp);
+ nodename = device_get_devnode(dev, &mode, &tmp);
if (!nodename)
return -ENOMEM;
+ if (mode == 0)
+ mode = 0600;
if (is_blockdev(dev))
- mode = S_IFBLK|0600;
+ mode |= S_IFBLK;
else
- mode = S_IFCHR|0600;
+ mode |= S_IFCHR;
curr_cred = override_creds(&init_cred);
err = vfs_path_lookup(dev_mnt->mnt_root, dev_mnt,
@@ -165,8 +169,12 @@ int devtmpfs_create_node(struct device *dev)
dentry = lookup_create(&nd, 0);
if (!IS_ERR(dentry)) {
+ int umask;
+
+ umask = sys_umask(0000);
err = vfs_mknod(nd.path.dentry->d_inode,
dentry, mode, dev->devt);
+ sys_umask(umask);
/* mark as kernel created inode */
if (!err)
dentry->d_inode->i_private = &dev_mnt;
@@ -271,7 +279,7 @@ int devtmpfs_delete_node(struct device *dev)
if (!dev_mnt)
return 0;
- nodename = device_get_nodename(dev, &tmp);
+ nodename = device_get_devnode(dev, NULL, &tmp);
if (!nodename)
return -ENOMEM;
diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c
index 19888354188f..62141ec09a22 100644
--- a/drivers/block/aoe/aoechr.c
+++ b/drivers/block/aoe/aoechr.c
@@ -266,7 +266,7 @@ static const struct file_operations aoe_fops = {
.owner = THIS_MODULE,
};
-static char *aoe_nodename(struct device *dev)
+static char *aoe_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "etherd/%s", dev_name(dev));
}
@@ -288,7 +288,7 @@ aoechr_init(void)
unregister_chrdev(AOE_MAJOR, "aoechr");
return PTR_ERR(aoe_class);
}
- aoe_class->nodename = aoe_nodename;
+ aoe_class->devnode = aoe_devnode;
for (i = 0; i < ARRAY_SIZE(chardevs); ++i)
device_create(aoe_class, NULL,
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 95f11cdef203..fd5bb8ad59a9 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2857,7 +2857,7 @@ static struct block_device_operations pktcdvd_ops = {
.media_changed = pkt_media_changed,
};
-static char *pktcdvd_nodename(struct gendisk *gd)
+static char *pktcdvd_devnode(struct gendisk *gd, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "pktcdvd/%s", gd->disk_name);
}
@@ -2914,7 +2914,7 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev)
disk->fops = &pktcdvd_ops;
disk->flags = GENHD_FL_REMOVABLE;
strcpy(disk->disk_name, pd->name);
- disk->nodename = pktcdvd_nodename;
+ disk->devnode = pktcdvd_devnode;
disk->private_data = pd;
disk->queue = blk_alloc_queue(GFP_KERNEL);
if (!disk->queue)
@@ -3070,7 +3070,7 @@ static const struct file_operations pkt_ctl_fops = {
static struct miscdevice pkt_misc = {
.minor = MISC_DYNAMIC_MINOR,
.name = DRIVER_NAME,
- .name = "pktcdvd/control",
+ .nodename = "pktcdvd/control",
.fops = &pkt_ctl_fops
};
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index fc93e2fc7c71..1573aebd54b5 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -153,7 +153,7 @@ static const struct file_operations rng_chrdev_ops = {
static struct miscdevice rng_miscdev = {
.minor = RNG_MISCDEV_MINOR,
.name = RNG_MODULE_NAME,
- .devnode = "hwrng",
+ .nodename = "hwrng",
.fops = &rng_chrdev_ops,
};
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 0491cdf63f2a..0aede1d6a9ea 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -866,24 +866,25 @@ static const struct file_operations kmsg_fops = {
static const struct memdev {
const char *name;
+ mode_t mode;
const struct file_operations *fops;
struct backing_dev_info *dev_info;
} devlist[] = {
- [ 1] = { "mem", &mem_fops, &directly_mappable_cdev_bdi },
+ [1] = { "mem", 0, &mem_fops, &directly_mappable_cdev_bdi },
#ifdef CONFIG_DEVKMEM
- [ 2] = { "kmem", &kmem_fops, &directly_mappable_cdev_bdi },
+ [2] = { "kmem", 0, &kmem_fops, &directly_mappable_cdev_bdi },
#endif
- [ 3] = {"null", &null_fops, NULL },
+ [3] = { "null", 0666, &null_fops, NULL },
#ifdef CONFIG_DEVPORT
- [ 4] = { "port", &port_fops, NULL },
+ [4] = { "port", 0, &port_fops, NULL },
#endif
- [ 5] = { "zero", &zero_fops, &zero_bdi },
- [ 7] = { "full", &full_fops, NULL },
- [ 8] = { "random", &random_fops, NULL },
- [ 9] = { "urandom", &urandom_fops, NULL },
- [11] = { "kmsg", &kmsg_fops, NULL },
+ [5] = { "zero", 0666, &zero_fops, &zero_bdi },
+ [7] = { "full", 0666, &full_fops, NULL },
+ [8] = { "random", 0666, &random_fops, NULL },
+ [9] = { "urandom", 0666, &urandom_fops, NULL },
+ [11] = { "kmsg", 0, &kmsg_fops, NULL },
#ifdef CONFIG_CRASH_DUMP
- [12] = { "oldmem", &oldmem_fops, NULL },
+ [12] = { "oldmem", 0, &oldmem_fops, NULL },
#endif
};
@@ -920,6 +921,13 @@ static const struct file_operations memory_fops = {
.open = memory_open,
};
+static char *mem_devnode(struct device *dev, mode_t *mode)
+{
+ if (mode && devlist[MINOR(dev->devt)].mode)
+ *mode = devlist[MINOR(dev->devt)].mode;
+ return NULL;
+}
+
static struct class *mem_class;
static int __init chr_dev_init(void)
@@ -935,6 +943,7 @@ static int __init chr_dev_init(void)
printk("unable to get major %d for memory devs\n", MEM_MAJOR);
mem_class = class_create(THIS_MODULE, "mem");
+ mem_class->devnode = mem_devnode;
for (minor = 1; minor < ARRAY_SIZE(devlist); minor++) {
if (!devlist[minor].name)
continue;
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 62c99fa59e2b..1ee27cc23426 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -263,12 +263,14 @@ int misc_deregister(struct miscdevice *misc)
EXPORT_SYMBOL(misc_register);
EXPORT_SYMBOL(misc_deregister);
-static char *misc_nodename(struct device *dev)
+static char *misc_devnode(struct device *dev, mode_t *mode)
{
struct miscdevice *c = dev_get_drvdata(dev);
- if (c->devnode)
- return kstrdup(c->devnode, GFP_KERNEL);
+ if (mode && c->mode)
+ *mode = c->mode;
+ if (c->nodename)
+ return kstrdup(c->nodename, GFP_KERNEL);
return NULL;
}
@@ -287,7 +289,7 @@ static int __init misc_init(void)
err = -EIO;
if (register_chrdev(MISC_MAJOR,"misc",&misc_fops))
goto fail_printk;
- misc_class->nodename = misc_nodename;
+ misc_class->devnode = misc_devnode;
return 0;
fail_printk:
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 40268db02e22..64acd05f71c8 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -261,7 +261,7 @@ static const struct file_operations raw_ctl_fops = {
static struct cdev raw_cdev;
-static char *raw_nodename(struct device *dev)
+static char *raw_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "raw/%s", dev_name(dev));
}
@@ -289,7 +289,7 @@ static int __init raw_init(void)
ret = PTR_ERR(raw_class);
goto error_region;
}
- raw_class->nodename = raw_nodename;
+ raw_class->devnode = raw_devnode;
device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, "rawctl");
return 0;
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index a3afa0c387cd..c70d9dabefae 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -3056,11 +3056,22 @@ void __init console_init(void)
}
}
+static char *tty_devnode(struct device *dev, mode_t *mode)
+{
+ if (!mode)
+ return NULL;
+ if (dev->devt == MKDEV(TTYAUX_MAJOR, 0) ||
+ dev->devt == MKDEV(TTYAUX_MAJOR, 2))
+ *mode = 0666;
+ return NULL;
+}
+
static int __init tty_class_init(void)
{
tty_class = class_create(THIS_MODULE, "tty");
if (IS_ERR(tty_class))
return PTR_ERR(tty_class);
+ tty_class->devnode = tty_devnode;
return 0;
}
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index f7a615b80c70..5301f226cb1c 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -76,7 +76,7 @@ static ssize_t version_show(struct class *dev, char *buf)
CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE);
}
-static char *drm_nodename(struct device *dev)
+static char *drm_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev));
}
@@ -112,7 +112,7 @@ struct class *drm_sysfs_create(struct module *owner, char *name)
if (err)
goto err_out_class;
- class->nodename = drm_nodename;
+ class->devnode = drm_devnode;
return class;
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 4d1dc0cf1401..8b6ee247bfe4 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -852,14 +852,14 @@ static const struct file_operations hiddev_fops = {
#endif
};
-static char *hiddev_nodename(struct device *dev)
+static char *hiddev_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev));
}
static struct usb_class_driver hiddev_class = {
.name = "hiddev%d",
- .nodename = hiddev_nodename,
+ .devnode = hiddev_devnode,
.fops = &hiddev_fops,
.minor_base = HIDDEV_MINOR_BASE,
};
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 851791d955f3..556539d617a4 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1265,14 +1265,14 @@ static struct device_type input_dev_type = {
.uevent = input_dev_uevent,
};
-static char *input_nodename(struct device *dev)
+static char *input_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "input/%s", dev_name(dev));
}
struct class input_class = {
.name = "input",
- .nodename = input_nodename,
+ .devnode = input_devnode,
};
EXPORT_SYMBOL_GPL(input_class);
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 7f77f18fcafa..a67942931582 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1532,7 +1532,7 @@ static const struct file_operations _ctl_fops = {
static struct miscdevice _dm_misc = {
.minor = MISC_DYNAMIC_MINOR,
.name = DM_NAME,
- .devnode = "mapper/control",
+ .nodename = "mapper/control",
.fops = &_ctl_fops
};
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index 479dd05762a5..94159b90f733 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.c
+++ b/drivers/media/dvb/dvb-core/dvbdev.c
@@ -447,7 +447,7 @@ static int dvb_uevent(struct device *dev, struct kobj_uevent_env *env)
return 0;
}
-static char *dvb_nodename(struct device *dev)
+static char *dvb_devnode(struct device *dev, mode_t *mode)
{
struct dvb_device *dvbdev = dev_get_drvdata(dev);
@@ -478,7 +478,7 @@ static int __init init_dvbdev(void)
goto error;
}
dvb_class->dev_uevent = dvb_uevent;
- dvb_class->nodename = dvb_nodename;
+ dvb_class->devnode = dvb_devnode;
return 0;
error:
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 3f5d28851aa2..d3ee1994b02f 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1370,7 +1370,7 @@ static const struct file_operations tun_fops = {
static struct miscdevice tun_miscdev = {
.minor = TUN_MINOR,
.name = "tun",
- .devnode = "net/tun",
+ .nodename = "net/tun",
.fops = &tun_fops,
};
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 26c09f0257db..9bc112ee7803 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -1057,14 +1057,14 @@ static const struct file_operations usblp_fops = {
.release = usblp_release,
};
-static char *usblp_nodename(struct device *dev)
+static char *usblp_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev));
}
static struct usb_class_driver usblp_class = {
.name = "lp%d",
- .nodename = usblp_nodename,
+ .devnode = usblp_devnode,
.fops = &usblp_fops,
.minor_base = USBLP_MINOR_BASE,
};
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index 5cef88929b3e..222ee07ea680 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -67,14 +67,14 @@ static struct usb_class {
struct class *class;
} *usb_class;
-static char *usb_nodename(struct device *dev)
+static char *usb_devnode(struct device *dev, mode_t *mode)
{
struct usb_class_driver *drv;
drv = dev_get_drvdata(dev);
- if (!drv || !drv->nodename)
+ if (!drv || !drv->devnode)
return NULL;
- return drv->nodename(dev);
+ return drv->devnode(dev, mode);
}
static int init_usb_class(void)
@@ -100,7 +100,7 @@ static int init_usb_class(void)
kfree(usb_class);
usb_class = NULL;
}
- usb_class->class->nodename = usb_nodename;
+ usb_class->class->devnode = usb_devnode;
exit:
return result;
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index a26f73880c32..43ee943d757a 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -311,7 +311,7 @@ static struct dev_pm_ops usb_device_pm_ops = {
#endif /* CONFIG_PM */
-static char *usb_nodename(struct device *dev)
+static char *usb_devnode(struct device *dev, mode_t *mode)
{
struct usb_device *usb_dev;
@@ -324,7 +324,7 @@ struct device_type usb_device_type = {
.name = "usb_device",
.release = usb_release_dev,
.uevent = usb_dev_uevent,
- .nodename = usb_nodename,
+ .devnode = usb_devnode,
.pm = &usb_device_pm_ops,
};
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 90e1a8dedfa9..e75bb87ee92b 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -727,7 +727,7 @@ static const struct file_operations iowarrior_fops = {
.poll = iowarrior_poll,
};
-static char *iowarrior_nodename(struct device *dev)
+static char *iowarrior_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev));
}
@@ -738,7 +738,7 @@ static char *iowarrior_nodename(struct device *dev)
*/
static struct usb_class_driver iowarrior_class = {
.name = "iowarrior%d",
- .nodename = iowarrior_nodename,
+ .devnode = iowarrior_devnode,
.fops = &iowarrior_fops,
.minor_base = IOWARRIOR_MINOR_BASE,
};
diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index c1e2433f640d..97efeaec4d52 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -266,7 +266,7 @@ static const struct file_operations tower_fops = {
.llseek = tower_llseek,
};
-static char *legousbtower_nodename(struct device *dev)
+static char *legousbtower_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev));
}
@@ -277,7 +277,7 @@ static char *legousbtower_nodename(struct device *dev)
*/
static struct usb_class_driver tower_class = {
.name = "legousbtower%d",
- .nodename = legousbtower_nodename,
+ .devnode = legousbtower_devnode,
.fops = &tower_fops,
.minor_base = LEGO_USB_TOWER_MINOR_BASE,
};
diff --git a/include/linux/device.h b/include/linux/device.h
index 847b763e40e9..aca31bf7d8ed 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -193,7 +193,7 @@ struct class {
struct kobject *dev_kobj;
int (*dev_uevent)(struct device *dev, struct kobj_uevent_env *env);
- char *(*nodename)(struct device *dev);
+ char *(*devnode)(struct device *dev, mode_t *mode);
void (*class_release)(struct class *class);
void (*dev_release)(struct device *dev);
@@ -298,7 +298,7 @@ struct device_type {
const char *name;
const struct attribute_group **groups;
int (*uevent)(struct device *dev, struct kobj_uevent_env *env);
- char *(*nodename)(struct device *dev);
+ char *(*devnode)(struct device *dev, mode_t *mode);
void (*release)(struct device *dev);
const struct dev_pm_ops *pm;
@@ -487,7 +487,8 @@ extern struct device *device_find_child(struct device *dev, void *data,
extern int device_rename(struct device *dev, char *new_name);
extern int device_move(struct device *dev, struct device *new_parent,
enum dpm_order dpm_order);
-extern const char *device_get_nodename(struct device *dev, const char **tmp);
+extern const char *device_get_devnode(struct device *dev,
+ mode_t *mode, const char **tmp);
extern void *dev_get_drvdata(const struct device *dev);
extern void dev_set_drvdata(struct device *dev, void *data);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 44263cb27121..109d179adb93 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -142,7 +142,7 @@ struct gendisk {
* disks that can't be partitioned. */
char disk_name[DISK_NAME_LEN]; /* name of major driver */
- char *(*nodename)(struct gendisk *gd);
+ char *(*devnode)(struct gendisk *gd, mode_t *mode);
/* Array of pointers to partitions indexed by partno.
* Protected with matching bdev lock but stat and other
* non-critical accesses use RCU. Always access through
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 052117744629..adaf3c15e449 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -41,7 +41,8 @@ struct miscdevice {
struct list_head list;
struct device *parent;
struct device *this_device;
- const char *devnode;
+ const char *nodename;
+ mode_t mode;
};
extern int misc_register(struct miscdevice * misc);
diff --git a/include/linux/usb.h b/include/linux/usb.h
index b1e3c2fbfe11..a8fe05f224e5 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -922,7 +922,7 @@ extern struct bus_type usb_bus_type;
/**
* struct usb_class_driver - identifies a USB driver that wants to use the USB major number
* @name: the usb class device name for this driver. Will show up in sysfs.
- * @nodename: Callback to provide a naming hint for a possible
+ * @devnode: Callback to provide a naming hint for a possible
* device node to create.
* @fops: pointer to the struct file_operations of this driver.
* @minor_base: the start of the minor range for this driver.
@@ -933,7 +933,7 @@ extern struct bus_type usb_bus_type;
*/
struct usb_class_driver {
char *name;
- char *(*nodename)(struct device *dev);
+ char *(*devnode)(struct device *dev, mode_t *mode);
const struct file_operations *fops;
int minor_base;
};
diff --git a/sound/sound_core.c b/sound/sound_core.c
index bb4b88e606bb..49c998186592 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -29,7 +29,7 @@ MODULE_DESCRIPTION("Core sound module");
MODULE_AUTHOR("Alan Cox");
MODULE_LICENSE("GPL");
-static char *sound_nodename(struct device *dev)
+static char *sound_devnode(struct device *dev, mode_t *mode)
{
if (MAJOR(dev->devt) == SOUND_MAJOR)
return NULL;
@@ -50,7 +50,7 @@ static int __init init_soundcore(void)
return PTR_ERR(sound_class);
}
- sound_class->nodename = sound_nodename;
+ sound_class->devnode = sound_devnode;
return 0;
}
--
GitLab
From a4304f2d5a3823deea894026ec95e43b33912357 Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Thu, 6 Aug 2009 20:33:33 -0700
Subject: [PATCH 646/742] tty: gigaset: really fix chars_in_buffer
The tty_operation chars_in_buffer() is not allowed to return a negative
value to signal an error. Corrects the problem flagged by commit
23198fda7182969b619613a555f8645fdc3dc334, "tty: fix chars_in_buffers".
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/isdn/gigaset/interface.c | 19 +++++++------------
1 file changed, 7 insertions(+), 12 deletions(-)
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 8ff7e35c7069..f33ac27de643 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -408,33 +408,28 @@ static int if_write_room(struct tty_struct *tty)
return retval;
}
-/* FIXME: This function does not have error returns */
-
static int if_chars_in_buffer(struct tty_struct *tty)
{
struct cardstate *cs;
- int retval = -ENODEV;
+ int retval = 0;
cs = (struct cardstate *) tty->driver_data;
if (!cs) {
pr_err("%s: no cardstate\n", __func__);
- return -ENODEV;
+ return 0;
}
gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
- if (mutex_lock_interruptible(&cs->mutex))
- return -ERESTARTSYS; // FIXME -EINTR?
+ mutex_lock(&cs->mutex);
- if (!cs->connected) {
+ if (!cs->connected)
gig_dbg(DEBUG_IF, "not connected");
- retval = -ENODEV;
- } else if (!cs->open_count)
+ else if (!cs->open_count)
dev_warn(cs->dev, "%s: device not opened\n", __func__);
- else if (cs->mstate != MS_LOCKED) {
+ else if (cs->mstate != MS_LOCKED)
dev_warn(cs->dev, "can't write to unlocked device\n");
- retval = -EBUSY;
- } else
+ else
retval = cs->ops->chars_in_buffer(cs);
mutex_unlock(&cs->mutex);
--
GitLab
From 0271edd4b1b16f255162029359bb69c1ee4d9c3b Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 6 Aug 2009 15:20:05 -0700
Subject: [PATCH 647/742] serial: bfin_5xx: fix building as module when early
printk is enabled
Since early printk only makes sense/works when the serial driver is built
into the kernel, disable the option for this driver when it is going to be
built as a module. Otherwise we get build failures due to the ifdef
handling.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: stable <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/bfin_5xx.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index b4a7650af696..4fff4e524034 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -42,6 +42,10 @@
# undef CONFIG_EARLY_PRINTK
#endif
+#ifdef CONFIG_SERIAL_BFIN_MODULE
+# undef CONFIG_EARLY_PRINTK
+#endif
+
/* UART name and device definitions */
#define BFIN_SERIAL_NAME "ttyBF"
#define BFIN_SERIAL_MAJOR 204
--
GitLab
From 7a4b23104bd2624d16681158a9b338c502c103a0 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 1 Aug 2009 15:28:35 +0200
Subject: [PATCH 648/742] tty: serial/pcmcia: add ID for Advantech card
Add ID as reported in:
http://lists.infradead.org/pipermail/linux-pcmcia/2009-May/006127.html
Reported-by: Kenneth Moorman <KMoorman@transy.edu>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/serial_cs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index ed4648b556c7..a3bb49031a7f 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -884,6 +884,7 @@ static struct pcmcia_device_id serial_ids[] = {
PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0xa555, "SW_555_SER.cis"), /* Sierra Aircard 555 CDMA 1xrtt Modem -- pre update */
PCMCIA_DEVICE_CIS_MANF_CARD(0x013f, 0xa555, "SW_555_SER.cis"), /* Sierra Aircard 555 CDMA 1xrtt Modem -- post update */
PCMCIA_DEVICE_CIS_PROD_ID12("MultiTech", "PCMCIA 56K DataFax", 0x842047ee, 0xc2efcf03, "cis/MT5634ZLX.cis"),
+ PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-2", 0x96913a85, 0x27ab5437, "COMpad2.cis"),
PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-4", 0x96913a85, 0xcec8f102, "COMpad4.cis"),
PCMCIA_DEVICE_CIS_PROD_ID123("ADVANTECH", "COMpad-32/85", "1.0", 0x96913a85, 0x8fbe92ae, 0x0877b627, "COMpad2.cis"),
PCMCIA_DEVICE_CIS_PROD_ID2("RS-COM 2P", 0xad20b156, "cis/RS-COM-2P.cis"),
--
GitLab
From f0de0e8d3565ee7feba6228d99763d4cea2087a6 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 3 Aug 2009 16:00:15 -0700
Subject: [PATCH 649/742] tty-ldisc: make /proc/tty/ldiscs use ldisc_ops
instead of ldiscs
The /proc/tty/ldiscs file is totally and utterly un-interested in the
"struct tty_ldisc" structures, and only cares about the underlying ldisc
operations.
So don't make it create a dummy 'struct ldisc' only to get a pointer to
the operations, and then destroy it. Instead, we split up the function
'tty_ldisc_try_get()', and create a 'get_ldops()' helper that just looks
up the ldisc operations based on the ldisc number.
That makes the code simpler to read (smaller and more well-defined
helper functions), and allows the /proc functions to avoid creating that
useless dummy only to immediately free it again.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Sergey Senozhatsky <sergey.senozhatsky@mail.by>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/tty_ldisc.c | 65 ++++++++++++++++++++++++----------------
1 file changed, 39 insertions(+), 26 deletions(-)
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index e48af9f79219..cbfacc0bbea5 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/char/tty_ldisc.c
@@ -145,6 +145,34 @@ int tty_unregister_ldisc(int disc)
}
EXPORT_SYMBOL(tty_unregister_ldisc);
+static struct tty_ldisc_ops *get_ldops(int disc)
+{
+ unsigned long flags;
+ struct tty_ldisc_ops *ldops, *ret;
+
+ spin_lock_irqsave(&tty_ldisc_lock, flags);
+ ret = ERR_PTR(-EINVAL);
+ ldops = tty_ldiscs[disc];
+ if (ldops) {
+ ret = ERR_PTR(-EAGAIN);
+ if (try_module_get(ldops->owner)) {
+ ldops->refcount++;
+ ret = ldops;
+ }
+ }
+ spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+ return ret;
+}
+
+static void put_ldops(struct tty_ldisc_ops *ldops)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&tty_ldisc_lock, flags);
+ ldops->refcount--;
+ module_put(ldops->owner);
+ spin_unlock_irqrestore(&tty_ldisc_lock, flags);
+}
/**
* tty_ldisc_try_get - try and reference an ldisc
@@ -156,36 +184,21 @@ EXPORT_SYMBOL(tty_unregister_ldisc);
static struct tty_ldisc *tty_ldisc_try_get(int disc)
{
- unsigned long flags;
struct tty_ldisc *ld;
struct tty_ldisc_ops *ldops;
- int err = -EINVAL;
ld = kmalloc(sizeof(struct tty_ldisc), GFP_KERNEL);
if (ld == NULL)
return ERR_PTR(-ENOMEM);
- spin_lock_irqsave(&tty_ldisc_lock, flags);
- ld->ops = NULL;
- ldops = tty_ldiscs[disc];
- /* Check the entry is defined */
- if (ldops) {
- /* If the module is being unloaded we can't use it */
- if (!try_module_get(ldops->owner))
- err = -EAGAIN;
- else {
- /* lock it */
- ldops->refcount++;
- ld->ops = ldops;
- atomic_set(&ld->users, 1);
- err = 0;
- }
- }
- spin_unlock_irqrestore(&tty_ldisc_lock, flags);
- if (err) {
+ ldops = get_ldops(disc);
+ if (IS_ERR(ldops)) {
kfree(ld);
- return ERR_PTR(err);
+ return ERR_CAST(ldops);
}
+
+ ld->ops = ldops;
+ atomic_set(&ld->users, 1);
return ld;
}
@@ -234,13 +247,13 @@ static void tty_ldiscs_seq_stop(struct seq_file *m, void *v)
static int tty_ldiscs_seq_show(struct seq_file *m, void *v)
{
int i = *(loff_t *)v;
- struct tty_ldisc *ld;
+ struct tty_ldisc_ops *ldops;
- ld = tty_ldisc_try_get(i);
- if (IS_ERR(ld))
+ ldops = get_ldops(i);
+ if (IS_ERR(ldops))
return 0;
- seq_printf(m, "%-10s %2d\n", ld->ops->name ? ld->ops->name : "???", i);
- put_ldisc(ld);
+ seq_printf(m, "%-10s %2d\n", ldops->name ? ldops->name : "???", i);
+ put_ldops(ldops);
return 0;
}
--
GitLab
From 182274f85fc26ec3aa8c78dba8b0e7763af3c586 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 3 Aug 2009 16:01:28 -0700
Subject: [PATCH 650/742] tty-ldisc: get rid of tty_ldisc_try_get() helper
function
Now that the /proc/tty/ldiscs handling doesn't play games with 'struct
ldisc' any more, the only remaining user of 'tty_ldisc_try_get()' is
'tty_ldisc_get()' (note the lack of 'try').
And we're actually much better off folding the logic directly into that
file, since the 'try' part was always about trying to get the ldisc
operations, not the ldisc itself: and making that explicit inside of
'tty_ldisc_get()' clarifies the whole semantics.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
Tested-by: Sergey Senozhatsky <sergey.senozhatsky@mail.by>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/tty_ldisc.c | 51 ++++++++++++++++------------------------
1 file changed, 20 insertions(+), 31 deletions(-)
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index cbfacc0bbea5..aafdbaebc16a 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/char/tty_ldisc.c
@@ -174,34 +174,6 @@ static void put_ldops(struct tty_ldisc_ops *ldops)
spin_unlock_irqrestore(&tty_ldisc_lock, flags);
}
-/**
- * tty_ldisc_try_get - try and reference an ldisc
- * @disc: ldisc number
- *
- * Attempt to open and lock a line discipline into place. Return
- * the line discipline refcounted or an error.
- */
-
-static struct tty_ldisc *tty_ldisc_try_get(int disc)
-{
- struct tty_ldisc *ld;
- struct tty_ldisc_ops *ldops;
-
- ld = kmalloc(sizeof(struct tty_ldisc), GFP_KERNEL);
- if (ld == NULL)
- return ERR_PTR(-ENOMEM);
-
- ldops = get_ldops(disc);
- if (IS_ERR(ldops)) {
- kfree(ld);
- return ERR_CAST(ldops);
- }
-
- ld->ops = ldops;
- atomic_set(&ld->users, 1);
- return ld;
-}
-
/**
* tty_ldisc_get - take a reference to an ldisc
* @disc: ldisc number
@@ -218,14 +190,31 @@ static struct tty_ldisc *tty_ldisc_try_get(int disc)
static struct tty_ldisc *tty_ldisc_get(int disc)
{
struct tty_ldisc *ld;
+ struct tty_ldisc_ops *ldops;
if (disc < N_TTY || disc >= NR_LDISCS)
return ERR_PTR(-EINVAL);
- ld = tty_ldisc_try_get(disc);
- if (IS_ERR(ld)) {
+
+ /*
+ * Get the ldisc ops - we may need to request them to be loaded
+ * dynamically and try again.
+ */
+ ldops = get_ldops(disc);
+ if (IS_ERR(ldops)) {
request_module("tty-ldisc-%d", disc);
- ld = tty_ldisc_try_get(disc);
+ ldops = get_ldops(disc);
+ if (IS_ERR(ldops))
+ return ERR_CAST(ldops);
+ }
+
+ ld = kmalloc(sizeof(struct tty_ldisc), GFP_KERNEL);
+ if (ld == NULL) {
+ put_ldops(ldops);
+ return ERR_PTR(-ENOMEM);
}
+
+ ld->ops = ldops;
+ atomic_set(&ld->users, 1);
return ld;
}
--
GitLab
From 60479ed59444de658d25c4d4000fa45b61b491a3 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinder@kernel.org>
Date: Thu, 13 Aug 2009 13:56:20 +0530
Subject: [PATCH 651/742] tty: includecheck fix: drivers/char, vt.c
fix the following 'make includecheck' warning:
drivers/char/vt.c: linux/device.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/vt.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 6aa88f50b039..e47a4c88976b 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2955,7 +2955,6 @@ int __init vty_init(const struct file_operations *console_fops)
}
#ifndef VT_SINGLE_DRIVER
-#include <linux/device.h>
static struct class *vtconsole_class;
--
GitLab
From 1607acaec38319c5e0b48a3586c00e667e920a0d Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Fri, 14 Aug 2009 14:02:34 +0200
Subject: [PATCH 652/742] tty: icom: bit and/or confusion?
Previously, if any bit other than CMD_SND_BREAK was set, CMD_SND_BREAK
was not unset.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/icom.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index cd1b6a45bb82..060f4e3d54c5 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -617,7 +617,7 @@ static void shutdown(struct icom_port *icom_port)
* disable break condition
*/
cmdReg = readb(&icom_port->dram->CmdReg);
- if ((cmdReg | CMD_SND_BREAK) == CMD_SND_BREAK) {
+ if (cmdReg & CMD_SND_BREAK) {
writeb(cmdReg & ~CMD_SND_BREAK, &icom_port->dram->CmdReg);
}
}
--
GitLab
From d13549f804d2965a9f279a8ff867f35d949572c8 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:12 -0700
Subject: [PATCH 653/742] cyclades: add tty refcounting
While this is not problem for Y card handlers (they are protected
by card_lock), Z handlers and other functions may dereference NULL
at any point after hangup/close. Even if (tty == NULL) was already
performed in the handler.
Note that it's not an issue for Y cards just for now. After
switching to tty_port_close_* et al. this will be a problem. So
add refcounting to them all.
Also proc .show doesn't take a tty reference and it should (along
with a ldisc one).
While at it and changing prototypes (adding tty param), prepend
cy_ to functions which don't have it yet.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 172 ++++++++++++++++++++++------------------
1 file changed, 93 insertions(+), 79 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 2dafc2da0648..e2f731b70763 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -850,7 +850,7 @@ MODULE_DEVICE_TABLE(pci, cy_pci_dev_id);
#endif
static void cy_start(struct tty_struct *);
-static void set_line_char(struct cyclades_port *);
+static void cy_set_line_char(struct cyclades_port *, struct tty_struct *);
static int cyz_issue_cmd(struct cyclades_card *, __u32, __u8, __u32);
#ifdef CONFIG_ISA
static unsigned detect_isa_irq(void __iomem *);
@@ -1011,8 +1011,9 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
save_car = readb(base_addr + (CyCAR << index));
cy_writeb(base_addr + (CyCAR << index), save_xir);
+ tty = tty_port_tty_get(&info->port);
/* if there is nowhere to put the data, discard it */
- if (info->port.tty == NULL) {
+ if (tty == NULL) {
if ((readb(base_addr + (CyRIVR << index)) & CyIVRMask) ==
CyIVRRxEx) { /* exception */
data = readb(base_addr + (CyRDSR << index));
@@ -1024,7 +1025,6 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
goto end;
}
/* there is an open port for this data */
- tty = info->port.tty;
if ((readb(base_addr + (CyRIVR << index)) & CyIVRMask) ==
CyIVRRxEx) { /* exception */
data = readb(base_addr + (CyRDSR << index));
@@ -1041,6 +1041,7 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
if (data & info->ignore_status_mask) {
info->icount.rx++;
+ tty_kref_put(tty);
return;
}
if (tty_buffer_request_room(tty, 1)) {
@@ -1121,6 +1122,7 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
info->idle_stats.recv_idle = jiffies;
}
tty_schedule_flip(tty);
+ tty_kref_put(tty);
end:
/* end of service */
cy_writeb(base_addr + (CyRIR << index), save_xir & 0x3f);
@@ -1131,6 +1133,7 @@ static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
void __iomem *base_addr)
{
struct cyclades_port *info;
+ struct tty_struct *tty;
int char_count, index = cinfo->bus_index;
u8 save_xir, channel, save_car, outch;
@@ -1154,7 +1157,8 @@ static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
goto end;
}
info = &cinfo->ports[channel + chip * 4];
- if (info->port.tty == NULL) {
+ tty = tty_port_tty_get(&info->port);
+ if (tty == NULL) {
cy_writeb(base_addr + (CySRER << index),
readb(base_addr + (CySRER << index)) & ~CyTxRdy);
goto end;
@@ -1205,7 +1209,7 @@ static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
~CyTxRdy);
goto done;
}
- if (info->port.tty->stopped || info->port.tty->hw_stopped) {
+ if (tty->stopped || tty->hw_stopped) {
cy_writeb(base_addr + (CySRER << index),
readb(base_addr + (CySRER << index)) &
~CyTxRdy);
@@ -1241,7 +1245,8 @@ static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
}
done:
- tty_wakeup(info->port.tty);
+ tty_wakeup(tty);
+ tty_kref_put(tty);
end:
/* end of service */
cy_writeb(base_addr + (CyTIR << index), save_xir & 0x3f);
@@ -1252,6 +1257,7 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
void __iomem *base_addr)
{
struct cyclades_port *info;
+ struct tty_struct *tty;
int index = cinfo->bus_index;
u8 save_xir, channel, save_car, mdm_change, mdm_status;
@@ -1265,7 +1271,8 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
mdm_change = readb(base_addr + (CyMISR << index));
mdm_status = readb(base_addr + (CyMSVR1 << index));
- if (!info->port.tty)
+ tty = tty_port_tty_get(&info->port);
+ if (!tty)
goto end;
if (mdm_change & CyANY_DELTA) {
@@ -1284,27 +1291,27 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
if ((mdm_change & CyDCD) && (info->port.flags & ASYNC_CHECK_CD)) {
if (!(mdm_status & CyDCD)) {
- tty_hangup(info->port.tty);
+ tty_hangup(tty);
info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
}
wake_up_interruptible(&info->port.open_wait);
}
if ((mdm_change & CyCTS) && (info->port.flags & ASYNC_CTS_FLOW)) {
- if (info->port.tty->hw_stopped) {
+ if (tty->hw_stopped) {
if (mdm_status & CyCTS) {
/* cy_start isn't used
because... !!! */
- info->port.tty->hw_stopped = 0;
+ tty->hw_stopped = 0;
cy_writeb(base_addr + (CySRER << index),
readb(base_addr + (CySRER << index)) |
CyTxRdy);
- tty_wakeup(info->port.tty);
+ tty_wakeup(tty);
}
} else {
if (!(mdm_status & CyCTS)) {
/* cy_stop isn't used
because ... !!! */
- info->port.tty->hw_stopped = 1;
+ tty->hw_stopped = 1;
cy_writeb(base_addr + (CySRER << index),
readb(base_addr + (CySRER << index)) &
~CyTxRdy);
@@ -1315,6 +1322,7 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
}
if (mdm_change & CyRI) {
}*/
+ tty_kref_put(tty);
end:
/* end of service */
cy_writeb(base_addr + (CyMIR << index), save_xir & 0x3f);
@@ -1449,11 +1457,10 @@ cyz_issue_cmd(struct cyclades_card *cinfo,
return 0;
} /* cyz_issue_cmd */
-static void cyz_handle_rx(struct cyclades_port *info,
+static void cyz_handle_rx(struct cyclades_port *info, struct tty_struct *tty,
struct BUF_CTRL __iomem *buf_ctrl)
{
struct cyclades_card *cinfo = info->card;
- struct tty_struct *tty = info->port.tty;
unsigned int char_count;
int len;
#ifdef BLOCKMOVE
@@ -1542,11 +1549,10 @@ static void cyz_handle_rx(struct cyclades_port *info,
}
}
-static void cyz_handle_tx(struct cyclades_port *info,
+static void cyz_handle_tx(struct cyclades_port *info, struct tty_struct *tty,
struct BUF_CTRL __iomem *buf_ctrl)
{
struct cyclades_card *cinfo = info->card;
- struct tty_struct *tty = info->port.tty;
u8 data;
unsigned int char_count;
#ifdef BLOCKMOVE
@@ -1642,7 +1648,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
special_count = 0;
delta_count = 0;
info = &cinfo->ports[channel];
- tty = info->port.tty;
+ tty = tty_port_tty_get(&info->port);
if (tty == NULL)
continue;
@@ -1674,7 +1680,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
C_RS_DCD) {
wake_up_interruptible(&info->port.open_wait);
} else {
- tty_hangup(info->port.tty);
+ tty_hangup(tty);
wake_up_interruptible(&info->port.open_wait);
info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
}
@@ -1706,7 +1712,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
printk(KERN_DEBUG "cyz_interrupt: rcvd intr, card %d, "
"port %ld\n", info->card, channel);
#endif
- cyz_handle_rx(info, buf_ctrl);
+ cyz_handle_rx(info, tty, buf_ctrl);
break;
case C_CM_TXBEMPTY:
case C_CM_TXLOWWM:
@@ -1716,7 +1722,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
printk(KERN_DEBUG "cyz_interrupt: xmit intr, card %d, "
"port %ld\n", info->card, channel);
#endif
- cyz_handle_tx(info, buf_ctrl);
+ cyz_handle_tx(info, tty, buf_ctrl);
break;
#endif /* CONFIG_CYZ_INTR */
case C_CM_FATAL:
@@ -1729,6 +1735,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
wake_up_interruptible(&info->delta_msr_wait);
if (special_count)
tty_schedule_flip(tty);
+ tty_kref_put(tty);
}
}
@@ -1774,7 +1781,6 @@ static void cyz_poll(unsigned long arg)
{
struct cyclades_card *cinfo;
struct cyclades_port *info;
- struct tty_struct *tty;
struct FIRM_ID __iomem *firm_id;
struct ZFW_CTRL __iomem *zfw_ctrl;
struct BUF_CTRL __iomem *buf_ctrl;
@@ -1802,13 +1808,19 @@ static void cyz_poll(unsigned long arg)
cyz_handle_cmd(cinfo);
for (port = 0; port < cinfo->nports; port++) {
+ struct tty_struct *tty;
+
info = &cinfo->ports[port];
- tty = info->port.tty;
buf_ctrl = &(zfw_ctrl->buf_ctrl[port]);
+ tty = tty_port_tty_get(&info->port);
+ /* OK to pass NULL to the handle functions below.
+ They need to drop the data in that case. */
+
if (!info->throttle)
- cyz_handle_rx(info, buf_ctrl);
- cyz_handle_tx(info, buf_ctrl);
+ cyz_handle_rx(info, tty, buf_ctrl);
+ cyz_handle_tx(info, tty, buf_ctrl);
+ tty_kref_put(tty);
}
/* poll every 'cyz_polling_cycle' period */
expires = jiffies + cyz_polling_cycle;
@@ -1824,7 +1836,7 @@ static void cyz_poll(unsigned long arg)
/* This is called whenever a port becomes active;
interrupts are enabled and DTR & RTS are turned on.
*/
-static int startup(struct cyclades_port *info)
+static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
{
struct cyclades_card *card;
unsigned long flags;
@@ -1848,8 +1860,7 @@ static int startup(struct cyclades_port *info)
}
if (!info->type) {
- if (info->port.tty)
- set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ set_bit(TTY_IO_ERROR, &tty->flags);
free_page(page);
goto errout;
}
@@ -1861,7 +1872,7 @@ static int startup(struct cyclades_port *info)
spin_unlock_irqrestore(&card->card_lock, flags);
- set_line_char(info);
+ cy_set_line_char(info, tty);
if (!cy_is_Z(card)) {
chip = channel >> 2;
@@ -1900,8 +1911,7 @@ static int startup(struct cyclades_port *info)
readb(base_addr + (CySRER << index)) | CyRxData);
info->port.flags |= ASYNC_INITIALIZED;
- if (info->port.tty)
- clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ clear_bit(TTY_IO_ERROR, &tty->flags);
info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
info->breakon = info->breakoff = 0;
memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats));
@@ -1984,8 +1994,7 @@ static int startup(struct cyclades_port *info)
/* enable send, recv, modem !!! */
info->port.flags |= ASYNC_INITIALIZED;
- if (info->port.tty)
- clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ clear_bit(TTY_IO_ERROR, &tty->flags);
info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
info->breakon = info->breakoff = 0;
memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats));
@@ -2047,7 +2056,7 @@ static void start_xmit(struct cyclades_port *info)
* This routine shuts down a serial port; interrupts are disabled,
* and DTR is dropped if the hangup on close termio flag is on.
*/
-static void shutdown(struct cyclades_port *info)
+static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
{
struct cyclades_card *card;
unsigned long flags;
@@ -2083,7 +2092,7 @@ static void shutdown(struct cyclades_port *info)
free_page((unsigned long)temp);
}
cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
- if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL)) {
+ if (tty->termios->c_cflag & HUPCL) {
cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS);
cy_writeb(base_addr + (CyMSVR2 << index), ~CyDTR);
#ifdef CY_DEBUG_DTR
@@ -2097,8 +2106,7 @@ static void shutdown(struct cyclades_port *info)
/* it may be appropriate to clear _XMIT at
some later date (after testing)!!! */
- if (info->port.tty)
- set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ set_bit(TTY_IO_ERROR, &tty->flags);
info->port.flags &= ~ASYNC_INITIALIZED;
spin_unlock_irqrestore(&card->card_lock, flags);
} else {
@@ -2132,7 +2140,7 @@ static void shutdown(struct cyclades_port *info)
free_page((unsigned long)temp);
}
- if (!info->port.tty || (info->port.tty->termios->c_cflag & HUPCL)) {
+ if (tty->termios->c_cflag & HUPCL) {
cy_writel(&ch_ctrl[channel].rs_control,
(__u32)(readl(&ch_ctrl[channel].rs_control) &
~(C_RS_RTS | C_RS_DTR)));
@@ -2147,8 +2155,7 @@ static void shutdown(struct cyclades_port *info)
#endif
}
- if (info->port.tty)
- set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ set_bit(TTY_IO_ERROR, &tty->flags);
info->port.flags &= ~ASYNC_INITIALIZED;
spin_unlock_irqrestore(&card->card_lock, flags);
@@ -2436,7 +2443,6 @@ static int cy_open(struct tty_struct *tty, struct file *filp)
printk(KERN_DEBUG "cyc:cy_open ttyC%d\n", info->line);
#endif
tty->driver_data = info;
- info->port.tty = tty;
if (serial_paranoia_check(info, tty->name, "cy_open"))
return -ENODEV;
@@ -2462,7 +2468,7 @@ static int cy_open(struct tty_struct *tty, struct file *filp)
/*
* Start up serial port
*/
- retval = startup(info);
+ retval = cy_startup(info, tty);
if (retval)
return retval;
@@ -2476,6 +2482,7 @@ static int cy_open(struct tty_struct *tty, struct file *filp)
}
info->throttle = 0;
+ tty_port_tty_set(&info->port, tty);
#ifdef CY_DEBUG_OPEN
printk(KERN_DEBUG "cyc:cy_open done\n");
@@ -2705,13 +2712,13 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
}
spin_unlock_irqrestore(&card->card_lock, flags);
- shutdown(info);
+ cy_shutdown(info, tty);
cy_flush_buffer(tty);
tty_ldisc_flush(tty);
spin_lock_irqsave(&card->card_lock, flags);
tty->closing = 0;
- info->port.tty = NULL;
+ tty_port_tty_set(&info->port, NULL);
if (info->port.blocked_open) {
spin_unlock_irqrestore(&card->card_lock, flags);
if (info->port.close_delay) {
@@ -2957,7 +2964,7 @@ static void cyy_baud_calc(struct cyclades_port *info, __u32 baud)
* This routine finds or computes the various line characteristics.
* It used to be called config_setup
*/
-static void set_line_char(struct cyclades_port *info)
+static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
{
struct cyclades_card *card;
unsigned long flags;
@@ -2967,28 +2974,26 @@ static void set_line_char(struct cyclades_port *info)
int baud, baud_rate = 0;
int i;
- if (!info->port.tty || !info->port.tty->termios)
+ if (!tty->termios) /* XXX can this happen at all? */
return;
if (info->line == -1)
return;
- cflag = info->port.tty->termios->c_cflag;
- iflag = info->port.tty->termios->c_iflag;
+ cflag = tty->termios->c_cflag;
+ iflag = tty->termios->c_iflag;
/*
* Set up the tty->alt_speed kludge
*/
- if (info->port.tty) {
- if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
- info->port.tty->alt_speed = 57600;
- if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
- info->port.tty->alt_speed = 115200;
- if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
- info->port.tty->alt_speed = 230400;
- if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
- info->port.tty->alt_speed = 460800;
- }
+ if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
+ tty->alt_speed = 57600;
+ if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
+ tty->alt_speed = 115200;
+ if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
+ tty->alt_speed = 230400;
+ if ((info->port.flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
+ tty->alt_speed = 460800;
card = info->card;
channel = info->line - card->first_line;
@@ -2998,7 +3003,7 @@ static void set_line_char(struct cyclades_port *info)
index = card->bus_index;
/* baud rate */
- baud = tty_get_baud_rate(info->port.tty);
+ baud = tty_get_baud_rate(tty);
if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
ASYNC_SPD_CUST) {
if (info->custom_divisor)
@@ -3123,9 +3128,8 @@ static void set_line_char(struct cyclades_port *info)
/* set line characteristics according configuration */
- cy_writeb(base_addr + (CySCHR1 << index),
- START_CHAR(info->port.tty));
- cy_writeb(base_addr + (CySCHR2 << index), STOP_CHAR(info->port.tty));
+ cy_writeb(base_addr + (CySCHR1 << index), START_CHAR(tty));
+ cy_writeb(base_addr + (CySCHR2 << index), STOP_CHAR(tty));
cy_writeb(base_addr + (CyCOR1 << index), info->cor1);
cy_writeb(base_addr + (CyCOR2 << index), info->cor2);
cy_writeb(base_addr + (CyCOR3 << index), info->cor3);
@@ -3141,7 +3145,7 @@ static void set_line_char(struct cyclades_port *info)
(info->default_timeout ? info->default_timeout : 0x02));
/* 10ms rx timeout */
- if (C_CLOCAL(info->port.tty)) {
+ if (C_CLOCAL(tty)) {
/* without modem intr */
cy_writeb(base_addr + (CySRER << index),
readb(base_addr + (CySRER << index)) | CyMdmCh);
@@ -3204,8 +3208,7 @@ static void set_line_char(struct cyclades_port *info)
#endif
}
- if (info->port.tty)
- clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ clear_bit(TTY_IO_ERROR, &tty->flags);
spin_unlock_irqrestore(&card->card_lock, flags);
} else {
@@ -3224,7 +3227,7 @@ static void set_line_char(struct cyclades_port *info)
ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
/* baud rate */
- baud = tty_get_baud_rate(info->port.tty);
+ baud = tty_get_baud_rate(tty);
if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
ASYNC_SPD_CUST) {
if (info->custom_divisor)
@@ -3335,8 +3338,7 @@ static void set_line_char(struct cyclades_port *info)
"was %x\n", info->line, retval);
}
- if (info->port.tty)
- clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ clear_bit(TTY_IO_ERROR, &tty->flags);
}
} /* set_line_char */
@@ -3365,7 +3367,7 @@ get_serial_info(struct cyclades_port *info,
} /* get_serial_info */
static int
-set_serial_info(struct cyclades_port *info,
+cy_set_serial_info(struct cyclades_port *info, struct tty_struct *tty,
struct serial_struct __user *new_info)
{
struct serial_struct new_serial;
@@ -3403,10 +3405,10 @@ set_serial_info(struct cyclades_port *info,
check_and_exit:
if (info->port.flags & ASYNC_INITIALIZED) {
- set_line_char(info);
+ cy_set_line_char(info, tty);
return 0;
} else {
- return startup(info);
+ return cy_startup(info, tty);
}
} /* set_serial_info */
@@ -3955,7 +3957,7 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
ret_val = get_serial_info(info, argp);
break;
case TIOCSSERIAL:
- ret_val = set_serial_info(info, argp);
+ ret_val = cy_set_serial_info(info, tty, argp);
break;
case TIOCSERGETLSR: /* Get line status register */
ret_val = get_lsr_info(info, argp);
@@ -4055,7 +4057,7 @@ static void cy_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
printk(KERN_DEBUG "cyc:cy_set_termios ttyC%d\n", info->line);
#endif
- set_line_char(info);
+ cy_set_line_char(info, tty);
if ((old_termios->c_cflag & CRTSCTS) &&
!(tty->termios->c_cflag & CRTSCTS)) {
@@ -4299,13 +4301,13 @@ static void cy_hangup(struct tty_struct *tty)
return;
cy_flush_buffer(tty);
- shutdown(info);
+ cy_shutdown(info, tty);
info->port.count = 0;
#ifdef CY_DEBUG_COUNT
printk(KERN_DEBUG "cyc:cy_hangup (%d): setting count to 0\n",
current->pid);
#endif
- info->port.tty = NULL;
+ tty_port_tty_set(&info->port, NULL);
info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
wake_up_interruptible(&info->port.open_wait);
} /* cy_hangup */
@@ -5191,18 +5193,30 @@ static int cyclades_proc_show(struct seq_file *m, void *v)
for (j = 0; j < cy_card[i].nports; j++) {
info = &cy_card[i].ports[j];
- if (info->port.count)
+ if (info->port.count) {
+ /* XXX is the ldisc num worth this? */
+ struct tty_struct *tty;
+ struct tty_ldisc *ld;
+ int num = 0;
+ tty = tty_port_tty_get(&info->port);
+ if (tty) {
+ ld = tty_ldisc_ref(tty);
+ if (ld) {
+ num = ld->ops->num;
+ tty_ldisc_deref(ld);
+ }
+ tty_kref_put(tty);
+ }
seq_printf(m, "%3d %8lu %10lu %8lu "
- "%10lu %8lu %9lu %6ld\n", info->line,
+ "%10lu %8lu %9lu %6d\n", info->line,
(cur_jifs - info->idle_stats.in_use) /
HZ, info->idle_stats.xmit_bytes,
(cur_jifs - info->idle_stats.xmit_idle)/
HZ, info->idle_stats.recv_bytes,
(cur_jifs - info->idle_stats.recv_idle)/
HZ, info->idle_stats.overruns,
- /* FIXME: double check locking */
- (long)info->port.tty->ldisc->ops->num);
- else
+ num);
+ } else
seq_printf(m, "%3d %8lu %10lu %8lu "
"%10lu %8lu %9lu %6ld\n",
info->line, 0L, 0L, 0L, 0L, 0L, 0L, 0L);
--
GitLab
From f0737579424dd2c4e68bdd54c718455a3f42c7b5 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:12 -0700
Subject: [PATCH 654/742] cyclades: remove block_til_ready
Use a tty_port common instead. This saves lots of .text and makes the
code a lot more readable.
This involves separation of a dtr_rts handling, next patches will use
that to not duplicate the code all over the place.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 302 ++++++++++++++--------------------------
1 file changed, 108 insertions(+), 194 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index e2f731b70763..9e0cd7020aef 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -2172,199 +2172,6 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
* ------------------------------------------------------------
*/
-static int
-block_til_ready(struct tty_struct *tty, struct file *filp,
- struct cyclades_port *info)
-{
- DECLARE_WAITQUEUE(wait, current);
- struct cyclades_card *cinfo;
- unsigned long flags;
- int chip, channel, index;
- int retval;
- void __iomem *base_addr;
-
- cinfo = info->card;
- channel = info->line - cinfo->first_line;
-
- /*
- * If the device is in the middle of being closed, then block
- * until it's done, and then try again.
- */
- if (tty_hung_up_p(filp) || (info->port.flags & ASYNC_CLOSING)) {
- wait_event_interruptible(info->port.close_wait,
- !(info->port.flags & ASYNC_CLOSING));
- return (info->port.flags & ASYNC_HUP_NOTIFY) ? -EAGAIN: -ERESTARTSYS;
- }
-
- /*
- * If non-blocking mode is set, then make the check up front
- * and then exit.
- */
- if ((filp->f_flags & O_NONBLOCK) ||
- (tty->flags & (1 << TTY_IO_ERROR))) {
- info->port.flags |= ASYNC_NORMAL_ACTIVE;
- return 0;
- }
-
- /*
- * Block waiting for the carrier detect and the line to become
- * free (i.e., not in use by the callout). While we are in
- * this loop, info->port.count is dropped by one, so that
- * cy_close() knows when to free things. We restore it upon
- * exit, either normal or abnormal.
- */
- retval = 0;
- add_wait_queue(&info->port.open_wait, &wait);
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc block_til_ready before block: ttyC%d, "
- "count = %d\n", info->line, info->port.count);
-#endif
- spin_lock_irqsave(&cinfo->card_lock, flags);
- if (!tty_hung_up_p(filp))
- info->port.count--;
- spin_unlock_irqrestore(&cinfo->card_lock, flags);
-#ifdef CY_DEBUG_COUNT
- printk(KERN_DEBUG "cyc block_til_ready: (%d): decrementing count to "
- "%d\n", current->pid, info->port.count);
-#endif
- info->port.blocked_open++;
-
- if (!cy_is_Z(cinfo)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = cinfo->bus_index;
- base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index);
-
- while (1) {
- spin_lock_irqsave(&cinfo->card_lock, flags);
- if ((tty->termios->c_cflag & CBAUD)) {
- cy_writeb(base_addr + (CyCAR << index),
- (u_char) channel);
- cy_writeb(base_addr + (CyMSVR1 << index),
- CyRTS);
- cy_writeb(base_addr + (CyMSVR2 << index),
- CyDTR);
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:block_til_ready raising "
- "DTR\n");
- printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- readb(base_addr + (CyMSVR1 << index)),
- readb(base_addr + (CyMSVR2 << index)));
-#endif
- }
- spin_unlock_irqrestore(&cinfo->card_lock, flags);
-
- set_current_state(TASK_INTERRUPTIBLE);
- if (tty_hung_up_p(filp) ||
- !(info->port.flags & ASYNC_INITIALIZED)) {
- retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ?
- -EAGAIN : -ERESTARTSYS);
- break;
- }
-
- spin_lock_irqsave(&cinfo->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index),
- (u_char) channel);
- if (!(info->port.flags & ASYNC_CLOSING) && (C_CLOCAL(tty) ||
- (readb(base_addr +
- (CyMSVR1 << index)) & CyDCD))) {
- spin_unlock_irqrestore(&cinfo->card_lock, flags);
- break;
- }
- spin_unlock_irqrestore(&cinfo->card_lock, flags);
-
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- }
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc block_til_ready blocking: "
- "ttyC%d, count = %d\n",
- info->line, info->port.count);
-#endif
- schedule();
- }
- } else {
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
-
- base_addr = cinfo->base_addr;
- firm_id = base_addr + ID_ADDRESS;
- if (!cyz_is_loaded(cinfo)) {
- __set_current_state(TASK_RUNNING);
- remove_wait_queue(&info->port.open_wait, &wait);
- return -EINVAL;
- }
-
- zfw_ctrl = base_addr + (readl(&firm_id->zfwctrl_addr)
- & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = zfw_ctrl->ch_ctrl;
-
- while (1) {
- if ((tty->termios->c_cflag & CBAUD)) {
- cy_writel(&ch_ctrl[channel].rs_control,
- readl(&ch_ctrl[channel].rs_control) |
- C_RS_RTS | C_RS_DTR);
- retval = cyz_issue_cmd(cinfo,
- channel, C_CM_IOCTLM, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc:block_til_ready "
- "retval on ttyC%d was %x\n",
- info->line, retval);
- }
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:block_til_ready raising "
- "Z DTR\n");
-#endif
- }
-
- set_current_state(TASK_INTERRUPTIBLE);
- if (tty_hung_up_p(filp) ||
- !(info->port.flags & ASYNC_INITIALIZED)) {
- retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ?
- -EAGAIN : -ERESTARTSYS);
- break;
- }
- if (!(info->port.flags & ASYNC_CLOSING) && (C_CLOCAL(tty) ||
- (readl(&ch_ctrl[channel].rs_status) &
- C_RS_DCD))) {
- break;
- }
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- }
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc block_til_ready blocking: "
- "ttyC%d, count = %d\n",
- info->line, info->port.count);
-#endif
- schedule();
- }
- }
- __set_current_state(TASK_RUNNING);
- remove_wait_queue(&info->port.open_wait, &wait);
- if (!tty_hung_up_p(filp)) {
- info->port.count++;
-#ifdef CY_DEBUG_COUNT
- printk(KERN_DEBUG "cyc:block_til_ready (%d): incrementing "
- "count to %d\n", current->pid, info->port.count);
-#endif
- }
- info->port.blocked_open--;
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc:block_til_ready after blocking: ttyC%d, "
- "count = %d\n", info->line, info->port.count);
-#endif
- if (retval)
- return retval;
- info->port.flags |= ASYNC_NORMAL_ACTIVE;
- return 0;
-} /* block_til_ready */
-
/*
* This routine is called whenever a serial port is opened. It
* performs the serial-specific initialization for the tty structure.
@@ -2472,7 +2279,7 @@ static int cy_open(struct tty_struct *tty, struct file *filp)
if (retval)
return retval;
- retval = block_til_ready(tty, filp, info);
+ retval = tty_port_block_til_ready(&info->port, tty, filp);
if (retval) {
#ifdef CY_DEBUG_OPEN
printk(KERN_DEBUG "cyc:cy_open returning after block_til_ready "
@@ -4312,6 +4119,111 @@ static void cy_hangup(struct tty_struct *tty)
wake_up_interruptible(&info->port.open_wait);
} /* cy_hangup */
+static int cyy_carrier_raised(struct tty_port *port)
+{
+ struct cyclades_port *info = container_of(port, struct cyclades_port,
+ port);
+ struct cyclades_card *cinfo = info->card;
+ void __iomem *base = cinfo->base_addr;
+ unsigned long flags;
+ int channel = info->line - cinfo->first_line;
+ int chip = channel >> 2, index = cinfo->bus_index;
+ u32 cd;
+
+ channel &= 0x03;
+ base += cy_chip_offset[chip] << index;
+
+ spin_lock_irqsave(&cinfo->card_lock, flags);
+ cy_writeb(base + (CyCAR << index), (u8)channel);
+ cd = readb(base + (CyMSVR1 << index)) & CyDCD;
+ spin_unlock_irqrestore(&cinfo->card_lock, flags);
+
+ return cd;
+}
+
+static void cyy_dtr_rts(struct tty_port *port, int raise)
+{
+ struct cyclades_port *info = container_of(port, struct cyclades_port,
+ port);
+ struct cyclades_card *cinfo = info->card;
+ void __iomem *base = cinfo->base_addr;
+ unsigned long flags;
+ int channel = info->line - cinfo->first_line;
+ int chip = channel >> 2, index = cinfo->bus_index;
+
+ channel &= 0x03;
+ base += cy_chip_offset[chip] << index;
+
+ spin_lock_irqsave(&cinfo->card_lock, flags);
+ cy_writeb(base + (CyCAR << index), (u8)channel);
+ cy_writeb(base + (CyMSVR1 << index), raise ? CyRTS : ~CyRTS);
+ cy_writeb(base + (CyMSVR2 << index), raise ? CyDTR : ~CyDTR);
+#ifdef CY_DEBUG_DTR
+ printk(KERN_DEBUG "%s: raising DTR\n", __func__);
+ printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
+ readb(base + (CyMSVR1 << index)),
+ readb(base + (CyMSVR2 << index)));
+#endif
+ spin_unlock_irqrestore(&cinfo->card_lock, flags);
+}
+
+static int cyz_carrier_raised(struct tty_port *port)
+{
+ struct cyclades_port *info = container_of(port, struct cyclades_port,
+ port);
+ struct cyclades_card *cinfo = info->card;
+ void __iomem *base = cinfo->base_addr;
+ struct FIRM_ID __iomem *firm_id = base + ID_ADDRESS;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl;
+ int channel = info->line - cinfo->first_line;
+
+ zfw_ctrl = base + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ ch_ctrl = zfw_ctrl->ch_ctrl;
+
+ return readl(&ch_ctrl[channel].rs_status) & C_RS_DCD;
+}
+
+static void cyz_dtr_rts(struct tty_port *port, int raise)
+{
+ struct cyclades_port *info = container_of(port, struct cyclades_port,
+ port);
+ struct cyclades_card *cinfo = info->card;
+ void __iomem *base = cinfo->base_addr;
+ struct FIRM_ID __iomem *firm_id = base + ID_ADDRESS;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl;
+ int ret, channel = info->line - cinfo->first_line;
+ u32 rs;
+
+ zfw_ctrl = base + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ ch_ctrl = zfw_ctrl->ch_ctrl;
+
+ rs = readl(&ch_ctrl[channel].rs_control);
+ if (raise)
+ rs |= C_RS_RTS | C_RS_DTR;
+ else
+ rs &= ~(C_RS_RTS | C_RS_DTR);
+ cy_writel(&ch_ctrl[channel].rs_control, rs);
+ ret = cyz_issue_cmd(cinfo, channel, C_CM_IOCTLM, 0L);
+ if (ret != 0)
+ printk(KERN_ERR "%s: retval on ttyC%d was %x\n",
+ __func__, info->line, ret);
+#ifdef CY_DEBUG_DTR
+ printk(KERN_DEBUG "%s: raising Z DTR\n", __func__);
+#endif
+}
+
+static const struct tty_port_operations cyy_port_ops = {
+ .carrier_raised = cyy_carrier_raised,
+ .dtr_rts = cyy_dtr_rts,
+};
+
+static const struct tty_port_operations cyz_port_ops = {
+ .carrier_raised = cyz_carrier_raised,
+ .dtr_rts = cyz_dtr_rts,
+};
+
/*
* ---------------------------------------------------------------------
* cy_init() and friends
@@ -4351,6 +4263,7 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
init_waitqueue_head(&info->delta_msr_wait);
if (cy_is_Z(cinfo)) {
+ info->port.ops = &cyz_port_ops;
info->type = PORT_STARTECH;
if (cinfo->hw_ver == ZO_V1)
info->xmit_fifo_size = CYZ_FIFO_SIZE;
@@ -4362,6 +4275,7 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
#endif
} else {
int index = cinfo->bus_index;
+ info->port.ops = &cyy_port_ops;
info->type = PORT_CIRRUS;
info->xmit_fifo_size = CyMAX_CHAR_FIFO;
info->cor1 = CyPARITY_NONE | Cy_1_STOP | Cy_8_BITS;
--
GitLab
From f0eefdc30e55e761facf645bd1be1339b21c30e6 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:13 -0700
Subject: [PATCH 655/742] cyclades: avoid addresses recomputation
Don't fetch firmware address and recompute channel control on each
port access. Precompute the values on init and use them later all
the time.
The same for board control.
This simplify code and improves readability.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 241 ++++++++++++---------------------------
include/linux/cyclades.h | 10 ++
2 files changed, 81 insertions(+), 170 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 9e0cd7020aef..7a7092ae5d39 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -814,7 +814,7 @@ static char rflow_thr[] = { /* rflow threshold */
/* The Cyclom-Ye has placed the sequential chips in non-sequential
* address order. This look-up table overcomes that problem.
*/
-static int cy_chip_offset[] = { 0x0000,
+static const unsigned int cy_chip_offset[] = { 0x0000,
0x0400,
0x0800,
0x0C00,
@@ -1406,15 +1406,9 @@ static int
cyz_fetch_msg(struct cyclades_card *cinfo,
__u32 *channel, __u8 *cmd, __u32 *param)
{
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
+ struct BOARD_CTRL __iomem *board_ctrl = cinfo->board_ctrl;
unsigned long loc_doorbell;
- firm_id = cinfo->base_addr + ID_ADDRESS;
- zfw_ctrl = cinfo->base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
-
loc_doorbell = readl(&cinfo->ctl_addr.p9060->loc_doorbell);
if (loc_doorbell) {
*cmd = (char)(0xff & loc_doorbell);
@@ -1430,19 +1424,13 @@ static int
cyz_issue_cmd(struct cyclades_card *cinfo,
__u32 channel, __u8 cmd, __u32 param)
{
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
+ struct BOARD_CTRL __iomem *board_ctrl = cinfo->board_ctrl;
__u32 __iomem *pci_doorbell;
unsigned int index;
- firm_id = cinfo->base_addr + ID_ADDRESS;
if (!cyz_is_loaded(cinfo))
return -1;
- zfw_ctrl = cinfo->base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
-
index = 0;
pci_doorbell = &cinfo->ctl_addr.p9060->pci_doorbell;
while ((readl(pci_doorbell) & 0xff) != 0) {
@@ -1457,9 +1445,9 @@ cyz_issue_cmd(struct cyclades_card *cinfo,
return 0;
} /* cyz_issue_cmd */
-static void cyz_handle_rx(struct cyclades_port *info, struct tty_struct *tty,
- struct BUF_CTRL __iomem *buf_ctrl)
+static void cyz_handle_rx(struct cyclades_port *info, struct tty_struct *tty)
{
+ struct BUF_CTRL __iomem *buf_ctrl = info->u.cyz.buf_ctrl;
struct cyclades_card *cinfo = info->card;
unsigned int char_count;
int len;
@@ -1549,9 +1537,9 @@ static void cyz_handle_rx(struct cyclades_port *info, struct tty_struct *tty,
}
}
-static void cyz_handle_tx(struct cyclades_port *info, struct tty_struct *tty,
- struct BUF_CTRL __iomem *buf_ctrl)
+static void cyz_handle_tx(struct cyclades_port *info, struct tty_struct *tty)
{
+ struct BUF_CTRL __iomem *buf_ctrl = info->u.cyz.buf_ctrl;
struct cyclades_card *cinfo = info->card;
u8 data;
unsigned int char_count;
@@ -1627,21 +1615,14 @@ ztxdone:
static void cyz_handle_cmd(struct cyclades_card *cinfo)
{
+ struct BOARD_CTRL __iomem *board_ctrl = cinfo->board_ctrl;
struct tty_struct *tty;
struct cyclades_port *info;
- static struct FIRM_ID __iomem *firm_id;
- static struct ZFW_CTRL __iomem *zfw_ctrl;
- static struct BOARD_CTRL __iomem *board_ctrl;
- static struct CH_CTRL __iomem *ch_ctrl;
- static struct BUF_CTRL __iomem *buf_ctrl;
__u32 channel, param, fw_ver;
__u8 cmd;
int special_count;
int delta_count;
- firm_id = cinfo->base_addr + ID_ADDRESS;
- zfw_ctrl = cinfo->base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
fw_ver = readl(&board_ctrl->fw_version);
while (cyz_fetch_msg(cinfo, &channel, &cmd, ¶m) == 1) {
@@ -1652,9 +1633,6 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
if (tty == NULL)
continue;
- ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
- buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]);
-
switch (cmd) {
case C_CM_PR_ERROR:
tty_insert_flip_char(tty, 0, TTY_PARITY);
@@ -1675,9 +1653,9 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
info->icount.dcd++;
delta_count++;
if (info->port.flags & ASYNC_CHECK_CD) {
- if ((fw_ver > 241 ? ((u_long) param) :
- readl(&ch_ctrl->rs_status)) &
- C_RS_DCD) {
+ u32 dcd = fw_ver > 241 ? param :
+ readl(&info->u.cyz.ch_ctrl->rs_status);
+ if (dcd & C_RS_DCD) {
wake_up_interruptible(&info->port.open_wait);
} else {
tty_hangup(tty);
@@ -1712,7 +1690,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
printk(KERN_DEBUG "cyz_interrupt: rcvd intr, card %d, "
"port %ld\n", info->card, channel);
#endif
- cyz_handle_rx(info, tty, buf_ctrl);
+ cyz_handle_rx(info, tty);
break;
case C_CM_TXBEMPTY:
case C_CM_TXLOWWM:
@@ -1722,7 +1700,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
printk(KERN_DEBUG "cyz_interrupt: xmit intr, card %d, "
"port %ld\n", info->card, channel);
#endif
- cyz_handle_tx(info, tty, buf_ctrl);
+ cyz_handle_tx(info, tty);
break;
#endif /* CONFIG_CYZ_INTR */
case C_CM_FATAL:
@@ -1781,9 +1759,6 @@ static void cyz_poll(unsigned long arg)
{
struct cyclades_card *cinfo;
struct cyclades_port *info;
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BUF_CTRL __iomem *buf_ctrl;
unsigned long expires = jiffies + HZ;
unsigned int port, card;
@@ -1795,10 +1770,6 @@ static void cyz_poll(unsigned long arg)
if (!cyz_is_loaded(cinfo))
continue;
- firm_id = cinfo->base_addr + ID_ADDRESS;
- zfw_ctrl = cinfo->base_addr +
- (readl(&firm_id->zfwctrl_addr) & 0xfffff);
-
/* Skip first polling cycle to avoid racing conditions with the FW */
if (!cinfo->intr_enabled) {
cinfo->intr_enabled = 1;
@@ -1811,15 +1782,13 @@ static void cyz_poll(unsigned long arg)
struct tty_struct *tty;
info = &cinfo->ports[port];
- buf_ctrl = &(zfw_ctrl->buf_ctrl[port]);
-
tty = tty_port_tty_get(&info->port);
/* OK to pass NULL to the handle functions below.
They need to drop the data in that case. */
if (!info->throttle)
- cyz_handle_rx(info, tty, buf_ctrl);
- cyz_handle_tx(info, tty, buf_ctrl);
+ cyz_handle_rx(info, tty);
+ cyz_handle_tx(info, tty);
tty_kref_put(tty);
}
/* poll every 'cyz_polling_cycle' period */
@@ -1922,45 +1891,34 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
spin_unlock_irqrestore(&card->card_lock, flags);
} else {
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
-
- base_addr = card->base_addr;
+ struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
- firm_id = base_addr + ID_ADDRESS;
if (!cyz_is_loaded(card))
return -ENODEV;
- zfw_ctrl = card->base_addr +
- (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = zfw_ctrl->ch_ctrl;
-
#ifdef CY_DEBUG_OPEN
printk(KERN_DEBUG "cyc startup Z card %d, channel %d, "
- "base_addr %p\n", card, channel, base_addr);
+ "base_addr %p\n", card, channel, card->base_addr);
#endif
spin_lock_irqsave(&card->card_lock, flags);
- cy_writel(&ch_ctrl[channel].op_mode, C_CH_ENABLE);
+ cy_writel(&ch_ctrl->op_mode, C_CH_ENABLE);
#ifdef Z_WAKE
#ifdef CONFIG_CYZ_INTR
- cy_writel(&ch_ctrl[channel].intr_enable,
+ cy_writel(&ch_ctrl->intr_enable,
C_IN_TXBEMPTY | C_IN_TXLOWWM | C_IN_RXHIWM |
C_IN_RXNNDT | C_IN_IOCTLW | C_IN_MDCD);
#else
- cy_writel(&ch_ctrl[channel].intr_enable,
+ cy_writel(&ch_ctrl->intr_enable,
C_IN_IOCTLW | C_IN_MDCD);
#endif /* CONFIG_CYZ_INTR */
#else
#ifdef CONFIG_CYZ_INTR
- cy_writel(&ch_ctrl[channel].intr_enable,
+ cy_writel(&ch_ctrl->intr_enable,
C_IN_TXBEMPTY | C_IN_TXLOWWM | C_IN_RXHIWM |
C_IN_RXNNDT | C_IN_MDCD);
#else
- cy_writel(&ch_ctrl[channel].intr_enable, C_IN_MDCD);
+ cy_writel(&ch_ctrl->intr_enable, C_IN_MDCD);
#endif /* CONFIG_CYZ_INTR */
#endif /* Z_WAKE */
@@ -1979,9 +1937,8 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
/* set timeout !!! */
/* set RTS and DTR !!! */
- cy_writel(&ch_ctrl[channel].rs_control,
- readl(&ch_ctrl[channel].rs_control) | C_RS_RTS |
- C_RS_DTR);
+ cy_writel(&ch_ctrl->rs_control, readl(&ch_ctrl->rs_control) |
+ C_RS_RTS | C_RS_DTR);
retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM, 0L);
if (retval != 0) {
printk(KERN_ERR "cyc:startup(3) retval on ttyC%d was "
@@ -2110,27 +2067,17 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
info->port.flags &= ~ASYNC_INITIALIZED;
spin_unlock_irqrestore(&card->card_lock, flags);
} else {
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
int retval;
- base_addr = card->base_addr;
#ifdef CY_DEBUG_OPEN
printk(KERN_DEBUG "cyc shutdown Z card %d, channel %d, "
- "base_addr %p\n", card, channel, base_addr);
+ "base_addr %p\n", card, channel, card->base_addr);
#endif
- firm_id = base_addr + ID_ADDRESS;
if (!cyz_is_loaded(card))
return;
- zfw_ctrl = card->base_addr +
- (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = zfw_ctrl->ch_ctrl;
-
spin_lock_irqsave(&card->card_lock, flags);
if (info->port.xmit_buf) {
@@ -2141,9 +2088,9 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
}
if (tty->termios->c_cflag & HUPCL) {
- cy_writel(&ch_ctrl[channel].rs_control,
- (__u32)(readl(&ch_ctrl[channel].rs_control) &
- ~(C_RS_RTS | C_RS_DTR)));
+ cy_writel(&ch_ctrl->rs_control,
+ readl(&ch_ctrl->rs_control) &
+ ~(C_RS_RTS | C_RS_DTR));
retval = cyz_issue_cmd(info->card, channel,
C_CM_IOCTLM, 0L);
if (retval != 0) {
@@ -2497,15 +2444,11 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
#ifdef Z_WAKE
/* Waiting for on-board buffers to be empty before closing
the port */
- void __iomem *base_addr = card->base_addr;
- struct FIRM_ID __iomem *firm_id = base_addr + ID_ADDRESS;
- struct ZFW_CTRL __iomem *zfw_ctrl =
- base_addr + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- struct CH_CTRL __iomem *ch_ctrl = zfw_ctrl->ch_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
int channel = info->line - card->first_line;
int retval;
- if (readl(&ch_ctrl[channel].flow_status) != C_FS_TXIDLE) {
+ if (readl(&ch_ctrl->flow_status) != C_FS_TXIDLE) {
retval = cyz_issue_cmd(card, channel, C_CM_IOCTLW, 0L);
if (retval != 0) {
printk(KERN_DEBUG "cyc:cy_close retval on "
@@ -2685,18 +2628,13 @@ static int cy_write_room(struct tty_struct *tty)
static int cy_chars_in_buffer(struct tty_struct *tty)
{
- struct cyclades_card *card;
struct cyclades_port *info = tty->driver_data;
- int channel;
if (serial_paranoia_check(info, tty->name, "cy_chars_in_buffer"))
return 0;
- card = info->card;
- channel = (info->line) - (card->first_line);
-
#ifdef Z_EXT_CHARS_IN_BUFFER
- if (!cy_is_Z(card)) {
+ if (!cy_is_Z(info->card)) {
#endif /* Z_EXT_CHARS_IN_BUFFER */
#ifdef CY_DEBUG_IO
printk(KERN_DEBUG "cyc:cy_chars_in_buffer ttyC%d %d\n",
@@ -2705,20 +2643,11 @@ static int cy_chars_in_buffer(struct tty_struct *tty)
return info->xmit_cnt;
#ifdef Z_EXT_CHARS_IN_BUFFER
} else {
- static struct FIRM_ID *firm_id;
- static struct ZFW_CTRL *zfw_ctrl;
- static struct CH_CTRL *ch_ctrl;
- static struct BUF_CTRL *buf_ctrl;
+ struct BUF_CTRL __iomem *buf_ctrl = info->u.cyz.buf_ctrl;
int char_count;
__u32 tx_put, tx_get, tx_bufsize;
lock_kernel();
- firm_id = card->base_addr + ID_ADDRESS;
- zfw_ctrl = card->base_addr +
- (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
- buf_ctrl = &(zfw_ctrl->buf_ctrl[channel]);
-
tx_get = readl(&buf_ctrl->tx_get);
tx_put = readl(&buf_ctrl->tx_put);
tx_bufsize = readl(&buf_ctrl->tx_bufsize);
@@ -3019,20 +2948,13 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
spin_unlock_irqrestore(&card->card_lock, flags);
} else {
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
__u32 sw_flow;
int retval;
- firm_id = card->base_addr + ID_ADDRESS;
if (!cyz_is_loaded(card))
return;
- zfw_ctrl = card->base_addr +
- (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- ch_ctrl = &(zfw_ctrl->ch_ctrl[channel]);
-
/* baud rate */
baud = tty_get_baud_rate(tty);
if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
@@ -3268,10 +3190,6 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file)
unsigned char status;
unsigned long lstatus;
unsigned int result;
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
if (serial_paranoia_check(info, tty->name, __func__))
return -ENODEV;
@@ -3304,14 +3222,8 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file)
((status & CyDSR) ? TIOCM_DSR : 0) |
((status & CyCTS) ? TIOCM_CTS : 0);
} else {
- base_addr = card->base_addr;
- firm_id = card->base_addr + ID_ADDRESS;
if (cyz_is_loaded(card)) {
- zfw_ctrl = card->base_addr +
- (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = zfw_ctrl->ch_ctrl;
- lstatus = readl(&ch_ctrl[channel].rs_status);
+ lstatus = readl(&info->u.cyz.ch_ctrl->rs_status);
result = ((lstatus & C_RS_RTS) ? TIOCM_RTS : 0) |
((lstatus & C_RS_DTR) ? TIOCM_DTR : 0) |
((lstatus & C_RS_DCD) ? TIOCM_CAR : 0) |
@@ -3336,12 +3248,7 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
struct cyclades_port *info = tty->driver_data;
struct cyclades_card *card;
int chip, channel, index;
- void __iomem *base_addr;
unsigned long flags;
- struct FIRM_ID __iomem *firm_id;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct BOARD_CTRL __iomem *board_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
int retval;
if (serial_paranoia_check(info, tty->name, __func__))
@@ -3350,6 +3257,7 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
card = info->card;
channel = (info->line) - (card->first_line);
if (!cy_is_Z(card)) {
+ void __iomem *base_addr;
chip = channel >> 2;
channel &= 0x03;
index = card->bus_index;
@@ -3421,34 +3329,26 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
spin_unlock_irqrestore(&card->card_lock, flags);
}
} else {
- base_addr = card->base_addr;
-
- firm_id = card->base_addr + ID_ADDRESS;
if (cyz_is_loaded(card)) {
- zfw_ctrl = card->base_addr +
- (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- board_ctrl = &zfw_ctrl->board_ctrl;
- ch_ctrl = zfw_ctrl->ch_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
if (set & TIOCM_RTS) {
spin_lock_irqsave(&card->card_lock, flags);
- cy_writel(&ch_ctrl[channel].rs_control,
- readl(&ch_ctrl[channel].rs_control) |
- C_RS_RTS);
+ cy_writel(&ch_ctrl->rs_control,
+ readl(&ch_ctrl->rs_control) | C_RS_RTS);
spin_unlock_irqrestore(&card->card_lock, flags);
}
if (clear & TIOCM_RTS) {
spin_lock_irqsave(&card->card_lock, flags);
- cy_writel(&ch_ctrl[channel].rs_control,
- readl(&ch_ctrl[channel].rs_control) &
+ cy_writel(&ch_ctrl->rs_control,
+ readl(&ch_ctrl->rs_control) &
~C_RS_RTS);
spin_unlock_irqrestore(&card->card_lock, flags);
}
if (set & TIOCM_DTR) {
spin_lock_irqsave(&card->card_lock, flags);
- cy_writel(&ch_ctrl[channel].rs_control,
- readl(&ch_ctrl[channel].rs_control) |
- C_RS_DTR);
+ cy_writel(&ch_ctrl->rs_control,
+ readl(&ch_ctrl->rs_control) | C_RS_DTR);
#ifdef CY_DEBUG_DTR
printk(KERN_DEBUG "cyc:set_modem_info raising "
"Z DTR\n");
@@ -3457,8 +3357,8 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
}
if (clear & TIOCM_DTR) {
spin_lock_irqsave(&card->card_lock, flags);
- cy_writel(&ch_ctrl[channel].rs_control,
- readl(&ch_ctrl[channel].rs_control) &
+ cy_writel(&ch_ctrl->rs_control,
+ readl(&ch_ctrl->rs_control) &
~C_RS_DTR);
#ifdef CY_DEBUG_DTR
printk(KERN_DEBUG "cyc:set_modem_info clearing "
@@ -4171,17 +4071,8 @@ static int cyz_carrier_raised(struct tty_port *port)
{
struct cyclades_port *info = container_of(port, struct cyclades_port,
port);
- struct cyclades_card *cinfo = info->card;
- void __iomem *base = cinfo->base_addr;
- struct FIRM_ID __iomem *firm_id = base + ID_ADDRESS;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
- int channel = info->line - cinfo->first_line;
- zfw_ctrl = base + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- ch_ctrl = zfw_ctrl->ch_ctrl;
-
- return readl(&ch_ctrl[channel].rs_status) & C_RS_DCD;
+ return readl(&info->u.cyz.ch_ctrl->rs_status) & C_RS_DCD;
}
static void cyz_dtr_rts(struct tty_port *port, int raise)
@@ -4189,22 +4080,16 @@ static void cyz_dtr_rts(struct tty_port *port, int raise)
struct cyclades_port *info = container_of(port, struct cyclades_port,
port);
struct cyclades_card *cinfo = info->card;
- void __iomem *base = cinfo->base_addr;
- struct FIRM_ID __iomem *firm_id = base + ID_ADDRESS;
- struct ZFW_CTRL __iomem *zfw_ctrl;
- struct CH_CTRL __iomem *ch_ctrl;
+ struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
int ret, channel = info->line - cinfo->first_line;
u32 rs;
- zfw_ctrl = base + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
- ch_ctrl = zfw_ctrl->ch_ctrl;
-
- rs = readl(&ch_ctrl[channel].rs_control);
+ rs = readl(&ch_ctrl->rs_control);
if (raise)
rs |= C_RS_RTS | C_RS_DTR;
else
rs &= ~(C_RS_RTS | C_RS_DTR);
- cy_writel(&ch_ctrl[channel].rs_control, rs);
+ cy_writel(&ch_ctrl->rs_control, rs);
ret = cyz_issue_cmd(cinfo, channel, C_CM_IOCTLM, 0L);
if (ret != 0)
printk(KERN_ERR "%s: retval on ttyC%d was %x\n",
@@ -4235,8 +4120,7 @@ static const struct tty_port_operations cyz_port_ops = {
static int __devinit cy_init_card(struct cyclades_card *cinfo)
{
struct cyclades_port *info;
- unsigned int port;
- unsigned short chip_number;
+ unsigned int channel, port;
spin_lock_init(&cinfo->card_lock);
cinfo->intr_enabled = 0;
@@ -4248,9 +4132,9 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
return -ENOMEM;
}
- for (port = cinfo->first_line; port < cinfo->first_line + cinfo->nports;
- port++) {
- info = &cinfo->ports[port - cinfo->first_line];
+ for (channel = 0, port = cinfo->first_line; channel < cinfo->nports;
+ channel++, port++) {
+ info = &cinfo->ports[channel];
tty_port_init(&info->port);
info->magic = CYCLADES_MAGIC;
info->card = cinfo;
@@ -4263,8 +4147,17 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
init_waitqueue_head(&info->delta_msr_wait);
if (cy_is_Z(cinfo)) {
+ struct FIRM_ID *firm_id = cinfo->base_addr + ID_ADDRESS;
+ struct ZFW_CTRL *zfw_ctrl;
+
info->port.ops = &cyz_port_ops;
info->type = PORT_STARTECH;
+
+ zfw_ctrl = cinfo->base_addr +
+ (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+ info->u.cyz.ch_ctrl = &zfw_ctrl->ch_ctrl[channel];
+ info->u.cyz.buf_ctrl = &zfw_ctrl->buf_ctrl[channel];
+
if (cinfo->hw_ver == ZO_V1)
info->xmit_fifo_size = CYZ_FIFO_SIZE;
else
@@ -4274,7 +4167,9 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
cyz_rx_restart, (unsigned long)info);
#endif
} else {
+ unsigned short chip_number;
int index = cinfo->bus_index;
+
info->port.ops = &cyy_port_ops;
info->type = PORT_CIRRUS;
info->xmit_fifo_size = CyMAX_CHAR_FIFO;
@@ -4282,7 +4177,7 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
info->cor2 = CyETC;
info->cor3 = 0x08; /* _very_ small rcv threshold */
- chip_number = (port - cinfo->first_line) / 4;
+ chip_number = channel / CyPORTS_PER_CHIP;
info->chip_rev = readb(cinfo->base_addr +
(cy_chip_offset[chip_number] << index) +
(CyGFRCR << index));
@@ -4976,8 +4871,14 @@ static int __devinit cy_pci_probe(struct pci_dev *pdev,
}
cy_card[card_no].num_chips = nchan / CyPORTS_PER_CHIP;
} else {
+ struct FIRM_ID __iomem *firm_id = addr2 + ID_ADDRESS;
+ struct ZFW_CTRL __iomem *zfw_ctrl;
+
+ zfw_ctrl = addr2 + (readl(&firm_id->zfwctrl_addr) & 0xfffff);
+
cy_card[card_no].hw_ver = mailbox;
cy_card[card_no].num_chips = (unsigned int)-1;
+ cy_card[card_no].board_ctrl = &zfw_ctrl->board_ctrl;
#ifdef CONFIG_CYZ_INTR
/* allocate IRQ only if board has an IRQ */
if (irq != 0 && irq != 255) {
diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h
index 1fbdea4f08eb..1eb87a6a2f6b 100644
--- a/include/linux/cyclades.h
+++ b/include/linux/cyclades.h
@@ -499,6 +499,7 @@ struct cyclades_card {
void __iomem *p9050;
struct RUNTIME_9060 __iomem *p9060;
} ctl_addr;
+ struct BOARD_CTRL __iomem *board_ctrl; /* cyz specific */
int irq;
unsigned int num_chips; /* 0 if card absent, -1 if Z/PCI, else Y */
unsigned int first_line; /* minor number of first channel on card */
@@ -541,6 +542,15 @@ struct cyclades_port {
int magic;
struct tty_port port;
struct cyclades_card *card;
+ union {
+ struct {
+ int filler;
+ } cyy;
+ struct {
+ struct CH_CTRL __iomem *ch_ctrl;
+ struct BUF_CTRL __iomem *buf_ctrl;
+ } cyz;
+ } u;
int line;
int flags; /* defined in tty.h */
int type; /* UART type */
--
GitLab
From 174e6fe01e7881caaa350b5e98e4c6189b6cb593 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:13 -0700
Subject: [PATCH 656/742] cyclades: switch to tty_port_hangup
Do not duplicate common tty_port_hangup code. Use it instead.
Also do not unset ASYNC_NORMAL_ACTIVE and wake up from the
tty_hangup() caller. It makes no sense since we don't check that
flag in sleepers. tty_port_hangup() performed later will do the
right job.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 23 ++++++-----------------
1 file changed, 6 insertions(+), 17 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 7a7092ae5d39..226175d605c3 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -1290,11 +1290,10 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
}
if ((mdm_change & CyDCD) && (info->port.flags & ASYNC_CHECK_CD)) {
- if (!(mdm_status & CyDCD)) {
+ if (mdm_status & CyDCD)
+ wake_up_interruptible(&info->port.open_wait);
+ else
tty_hangup(tty);
- info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
- }
- wake_up_interruptible(&info->port.open_wait);
}
if ((mdm_change & CyCTS) && (info->port.flags & ASYNC_CTS_FLOW)) {
if (tty->hw_stopped) {
@@ -1655,13 +1654,10 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
if (info->port.flags & ASYNC_CHECK_CD) {
u32 dcd = fw_ver > 241 ? param :
readl(&info->u.cyz.ch_ctrl->rs_status);
- if (dcd & C_RS_DCD) {
+ if (dcd & C_RS_DCD)
wake_up_interruptible(&info->port.open_wait);
- } else {
+ else
tty_hangup(tty);
- wake_up_interruptible(&info->port.open_wait);
- info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
- }
}
break;
case C_CM_MCTS:
@@ -4009,14 +4005,7 @@ static void cy_hangup(struct tty_struct *tty)
cy_flush_buffer(tty);
cy_shutdown(info, tty);
- info->port.count = 0;
-#ifdef CY_DEBUG_COUNT
- printk(KERN_DEBUG "cyc:cy_hangup (%d): setting count to 0\n",
- current->pid);
-#endif
- tty_port_tty_set(&info->port, NULL);
- info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
- wake_up_interruptible(&info->port.open_wait);
+ tty_port_hangup(&info->port);
} /* cy_hangup */
static int cyy_carrier_raised(struct tty_port *port)
--
GitLab
From 23342262964722b41c7d06cfadc215039e48881b Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:13 -0700
Subject: [PATCH 657/742] cyclades: close cleanup
Use new tty helpers for close, which allows much code removal.
The only real change is locking. card_lock for protecting was
used inappropriately (just to have a critical section, no matter
which lock is used), so the change to port->lock is fine.
Remove also useless debug printks while being there.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 70 ++---------------------------------------
1 file changed, 2 insertions(+), 68 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 226175d605c3..87a40bc75646 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -2361,61 +2361,13 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
struct cyclades_card *card;
unsigned long flags;
-#ifdef CY_DEBUG_OTHER
- printk(KERN_DEBUG "cyc:cy_close ttyC%d\n", info->line);
-#endif
-
if (!info || serial_paranoia_check(info, tty->name, "cy_close"))
return;
card = info->card;
- spin_lock_irqsave(&card->card_lock, flags);
- /* If the TTY is being hung up, nothing to do */
- if (tty_hung_up_p(filp)) {
- spin_unlock_irqrestore(&card->card_lock, flags);
+ if (!tty_port_close_start(&info->port, tty, filp))
return;
- }
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc:cy_close ttyC%d, count = %d\n", info->line,
- info->port.count);
-#endif
- if ((tty->count == 1) && (info->port.count != 1)) {
- /*
- * Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. Info->count should always
- * be one in these conditions. If it's greater than
- * one, we've got real problems, since it means the
- * serial port won't be shutdown.
- */
- printk(KERN_ERR "cyc:cy_close: bad serial port count; "
- "tty->count is 1, info->port.count is %d\n", info->port.count);
- info->port.count = 1;
- }
-#ifdef CY_DEBUG_COUNT
- printk(KERN_DEBUG "cyc:cy_close at (%d): decrementing count to %d\n",
- current->pid, info->port.count - 1);
-#endif
- if (--info->port.count < 0) {
-#ifdef CY_DEBUG_COUNT
- printk(KERN_DEBUG "cyc:cyc_close setting count to 0\n");
-#endif
- info->port.count = 0;
- }
- if (info->port.count) {
- spin_unlock_irqrestore(&card->card_lock, flags);
- return;
- }
- info->port.flags |= ASYNC_CLOSING;
-
- /*
- * Now we wait for the transmit buffer to clear; and we notify
- * the line discipline to only process XON/XOFF characters.
- */
- tty->closing = 1;
- spin_unlock_irqrestore(&card->card_lock, flags);
- if (info->port.closing_wait != CY_CLOSING_WAIT_NONE)
- tty_wait_until_sent(tty, info->port.closing_wait);
spin_lock_irqsave(&card->card_lock, flags);
@@ -2460,28 +2412,10 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
spin_unlock_irqrestore(&card->card_lock, flags);
cy_shutdown(info, tty);
cy_flush_buffer(tty);
- tty_ldisc_flush(tty);
- spin_lock_irqsave(&card->card_lock, flags);
- tty->closing = 0;
tty_port_tty_set(&info->port, NULL);
- if (info->port.blocked_open) {
- spin_unlock_irqrestore(&card->card_lock, flags);
- if (info->port.close_delay) {
- msleep_interruptible(jiffies_to_msecs
- (info->port.close_delay));
- }
- wake_up_interruptible(&info->port.open_wait);
- spin_lock_irqsave(&card->card_lock, flags);
- }
- info->port.flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
- wake_up_interruptible(&info->port.close_wait);
-#ifdef CY_DEBUG_OTHER
- printk(KERN_DEBUG "cyc:cy_close done\n");
-#endif
-
- spin_unlock_irqrestore(&card->card_lock, flags);
+ tty_port_close_end(&info->port, tty);
} /* cy_close */
/* This routine gets called when tty_write has put something into
--
GitLab
From ebdb513596c0eb1dcb3bad8f53865964a2207ca9 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:14 -0700
Subject: [PATCH 658/742] cyclades: overall cleanup
- remove changelog from the file. we don't care about ancient
history
- update copyright year
- update version
- constify some stuff
- empty lines removal
- unused variables and macros removal
- remove some asm/ includes, they are sucked by linux/ variants
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 598 +---------------------------------------
1 file changed, 12 insertions(+), 586 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 87a40bc75646..3884ea439935 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -11,7 +11,7 @@
* Initially written by Randolph Bentson <bentson@grieg.seaslug.org>.
* Modified and maintained by Marcio Saito <marcio@cyclades.com>.
*
- * Copyright (C) 2007 Jiri Slaby <jirislaby@gmail.com>
+ * Copyright (C) 2007-2009 Jiri Slaby <jirislaby@gmail.com>
*
* Much of the design and some of the code came from serial.c
* which was copyright (C) 1991, 1992 Linus Torvalds. It was
@@ -19,577 +19,9 @@
* and then fixed as suggested by Michael K. Johnson 12/12/92.
* Converted to pci probing and cleaned up by Jiri Slaby.
*
- * This version supports shared IRQ's (only for PCI boards).
- *
- * Prevent users from opening non-existing Z ports.
- *
- * Revision 2.3.2.8 2000/07/06 18:14:16 ivan
- * Fixed the PCI detection function to work properly on Alpha systems.
- * Implemented support for TIOCSERGETLSR ioctl.
- * Implemented full support for non-standard baud rates.
- *
- * Revision 2.3.2.7 2000/06/01 18:26:34 ivan
- * Request PLX I/O region, although driver doesn't use it, to avoid
- * problems with other drivers accessing it.
- * Removed count for on-board buffer characters in cy_chars_in_buffer
- * (Cyclades-Z only).
- *
- * Revision 2.3.2.6 2000/05/05 13:56:05 ivan
- * Driver now reports physical instead of virtual memory addresses.
- * Masks were added to some Cyclades-Z read accesses.
- * Implemented workaround for PLX9050 bug that would cause a system lockup
- * in certain systems, depending on the MMIO addresses allocated to the
- * board.
- * Changed the Tx interrupt programming in the CD1400 chips to boost up
- * performance (Cyclom-Y only).
- * Code is now compliant with the new module interface (module_[init|exit]).
- * Make use of the PCI helper functions to access PCI resources.
- * Did some code "housekeeping".
- *
- * Revision 2.3.2.5 2000/01/19 14:35:33 ivan
- * Fixed bug in cy_set_termios on CRTSCTS flag turnoff.
- *
- * Revision 2.3.2.4 2000/01/17 09:19:40 ivan
- * Fixed SMP locking in Cyclom-Y interrupt handler.
- *
- * Revision 2.3.2.3 1999/12/28 12:11:39 ivan
- * Added a new cyclades_card field called nports to allow the driver to
- * know the exact number of ports found by the Z firmware after its load;
- * RX buffer contention prevention logic on interrupt op mode revisited
- * (Cyclades-Z only);
- * Revisited printk's for Z debug;
- * Driver now makes sure that the constant SERIAL_XMIT_SIZE is defined;
- *
- * Revision 2.3.2.2 1999/10/01 11:27:43 ivan
- * Fixed bug in cyz_poll that would make all ports but port 0
- * unable to transmit/receive data (Cyclades-Z only);
- * Implemented logic to prevent the RX buffer from being stuck with data
- * due to a driver / firmware race condition in interrupt op mode
- * (Cyclades-Z only);
- * Fixed bug in block_til_ready logic that would lead to a system crash;
- * Revisited cy_close spinlock usage;
- *
- * Revision 2.3.2.1 1999/09/28 11:01:22 ivan
- * Revisited CONFIG_PCI conditional compilation for PCI board support;
- * Implemented TIOCGICOUNT and TIOCMIWAIT ioctl support;
- * _Major_ cleanup on the Cyclades-Z interrupt support code / logic;
- * Removed CTS handling from the driver -- this is now completely handled
- * by the firmware (Cyclades-Z only);
- * Flush RX on-board buffers on a port open (Cyclades-Z only);
- * Fixed handling of ASYNC_SPD_* TTY flags;
- * Module unload now unmaps all memory area allocated by ioremap;
- *
- * Revision 2.3.1.1 1999/07/15 16:45:53 ivan
- * Removed CY_PROC conditional compilation;
- * Implemented SMP-awareness for the driver;
- * Implemented a new ISA IRQ autoprobe that uses the irq_probe_[on|off]
- * functions;
- * The driver now accepts memory addresses (maddr=0xMMMMM) and IRQs
- * (irq=NN) as parameters (only for ISA boards);
- * Fixed bug in set_line_char that would prevent the Cyclades-Z
- * ports from being configured at speeds above 115.2Kbps;
- * Fixed bug in cy_set_termios that would prevent XON/XOFF flow control
- * switching from working properly;
- * The driver now only prints IRQ info for the Cyclades-Z if it's
- * configured to work in interrupt mode;
- *
- * Revision 2.2.2.3 1999/06/28 11:13:29 ivan
- * Added support for interrupt mode operation for the Z cards;
- * Removed the driver inactivity control for the Z;
- * Added a missing MOD_DEC_USE_COUNT in the cy_open function for when
- * the Z firmware is not loaded yet;
- * Replaced the "manual" Z Tx flush buffer by a call to a FW command of
- * same functionality;
- * Implemented workaround for IRQ setting loss on the PCI configuration
- * registers after a PCI bridge EEPROM reload (affects PLX9060 only);
- *
- * Revision 2.2.2.2 1999/05/14 17:18:15 ivan
- * /proc entry location changed to /proc/tty/driver/cyclades;
- * Added support to shared IRQ's (only for PCI boards);
- * Added support for Cobalt Qube2 systems;
- * IRQ [de]allocation scheme revisited;
- * BREAK implementation changed in order to make use of the 'break_ctl'
- * TTY facility;
- * Fixed typo in TTY structure field 'driver_name';
- * Included a PCI bridge reset and EEPROM reload in the board
- * initialization code (for both Y and Z series).
- *
- * Revision 2.2.2.1 1999/04/08 16:17:43 ivan
- * Fixed a bug in cy_wait_until_sent that was preventing the port to be
- * closed properly after a SIGINT;
- * Module usage counter scheme revisited;
- * Added support to the upcoming Y PCI boards (i.e., support to additional
- * PCI Device ID's).
- *
- * Revision 2.2.1.10 1999/01/20 16:14:29 ivan
- * Removed all unnecessary page-alignement operations in ioremap calls
- * (ioremap is currently safe for these operations).
- *
- * Revision 2.2.1.9 1998/12/30 18:18:30 ivan
- * Changed access to PLX PCI bridge registers from I/O to MMIO, in
- * order to make PLX9050-based boards work with certain motherboards.
- *
- * Revision 2.2.1.8 1998/11/13 12:46:20 ivan
- * cy_close function now resets (correctly) the tty->closing flag;
- * JIFFIES_DIFF macro fixed.
- *
- * Revision 2.2.1.7 1998/09/03 12:07:28 ivan
- * Fixed bug in cy_close function, which was not informing HW of
- * which port should have the reception disabled before doing so;
- * fixed Cyclom-8YoP hardware detection bug.
- *
- * Revision 2.2.1.6 1998/08/20 17:15:39 ivan
- * Fixed bug in cy_close function, which causes malfunction
- * of one of the first 4 ports when a higher port is closed
- * (Cyclom-Y only).
- *
- * Revision 2.2.1.5 1998/08/10 18:10:28 ivan
- * Fixed Cyclom-4Yo hardware detection bug.
- *
- * Revision 2.2.1.4 1998/08/04 11:02:50 ivan
- * /proc/cyclades implementation with great collaboration of
- * Marc Lewis <marc@blarg.net>;
- * cyy_interrupt was changed to avoid occurrence of kernel oopses
- * during PPP operation.
- *
- * Revision 2.2.1.3 1998/06/01 12:09:10 ivan
- * General code review in order to comply with 2.1 kernel standards;
- * data loss prevention for slow devices revisited (cy_wait_until_sent
- * was created);
- * removed conditional compilation for new/old PCI structure support
- * (now the driver only supports the new PCI structure).
- *
- * Revision 2.2.1.1 1998/03/19 16:43:12 ivan
- * added conditional compilation for new/old PCI structure support;
- * removed kernel series (2.0.x / 2.1.x) conditional compilation.
- *
- * Revision 2.1.1.3 1998/03/16 18:01:12 ivan
- * cleaned up the data loss fix;
- * fixed XON/XOFF handling once more (Cyclades-Z);
- * general review of the driver routines;
- * introduction of a mechanism to prevent data loss with slow
- * printers, by forcing a delay before closing the port.
- *
- * Revision 2.1.1.2 1998/02/17 16:50:00 ivan
- * fixed detection/handling of new CD1400 in Ye boards;
- * fixed XON/XOFF handling (Cyclades-Z);
- * fixed data loss caused by a premature port close;
- * introduction of a flag that holds the CD1400 version ID per port
- * (used by the CYGETCD1400VER new ioctl).
- *
- * Revision 2.1.1.1 1997/12/03 17:31:19 ivan
- * Code review for the module cleanup routine;
- * fixed RTS and DTR status report for new CD1400's in get_modem_info;
- * includes anonymous changes regarding signal_pending.
- *
- * Revision 2.1 1997/11/01 17:42:41 ivan
- * Changes in the driver to support Alpha systems (except 8Zo V_1);
- * BREAK fix for the Cyclades-Z boards;
- * driver inactivity control by FW implemented;
- * introduction of flag that allows driver to take advantage of
- * a special CD1400 feature related to HW flow control;
- * added support for the CD1400 rev. J (Cyclom-Y boards);
- * introduction of ioctls to:
- * - control the rtsdtr_inv flag (Cyclom-Y);
- * - control the rflow flag (Cyclom-Y);
- * - adjust the polling interval (Cyclades-Z);
- *
- * Revision 1.36.4.33 1997/06/27 19:00:00 ivan
- * Fixes related to kernel version conditional
- * compilation.
- *
- * Revision 1.36.4.32 1997/06/14 19:30:00 ivan
- * Compatibility issues between kernels 2.0.x and
- * 2.1.x (mainly related to clear_bit function).
- *
- * Revision 1.36.4.31 1997/06/03 15:30:00 ivan
- * Changes to define the memory window according to the
- * board type.
- *
- * Revision 1.36.4.30 1997/05/16 15:30:00 daniel
- * Changes to support new cycladesZ boards.
- *
- * Revision 1.36.4.29 1997/05/12 11:30:00 daniel
- * Merge of Bentson's and Daniel's version 1.36.4.28.
- * Corrects bug in cy_detect_pci: check if there are more
- * ports than the number of static structs allocated.
- * Warning message during initialization if this driver is
- * used with the new generation of cycladesZ boards. Those
- * will be supported only in next release of the driver.
- * Corrects bug in cy_detect_pci and cy_detect_isa that
- * returned wrong number of VALID boards, when a cyclomY
- * was found with no serial modules connected.
- * Changes to use current (2.1.x) kernel subroutine names
- * and created macros for compilation with 2.0.x kernel,
- * instead of the other way around.
- *
- * Revision 1.36.4.28 1997/05/?? ??:00:00 bentson
- * Change queue_task_irq_off to queue_task_irq.
- * The inline function queue_task_irq_off (tqueue.h)
- * was removed from latest releases of 2.1.x kernel.
- * Use of macro __init to mark the initialization
- * routines, so memory can be reused.
- * Also incorporate implementation of critical region
- * in function cleanup_module() created by anonymous
- * linuxer.
- *
- * Revision 1.36.4.28 1997/04/25 16:00:00 daniel
- * Change to support new firmware that solves DCD problem:
- * application could fail to receive SIGHUP signal when DCD
- * varying too fast.
- *
- * Revision 1.36.4.27 1997/03/26 10:30:00 daniel
- * Changed for support linux versions 2.1.X.
- * Backward compatible with linux versions 2.0.X.
- * Corrected illegal use of filler field in
- * CH_CTRL struct.
- * Deleted some debug messages.
- *
- * Revision 1.36.4.26 1997/02/27 12:00:00 daniel
- * Included check for NULL tty pointer in cyz_poll.
- *
- * Revision 1.36.4.25 1997/02/26 16:28:30 bentson
- * Bill Foster at Blarg! Online services noticed that
- * some of the switch elements of -Z modem control
- * lacked a closing "break;"
- *
- * Revision 1.36.4.24 1997/02/24 11:00:00 daniel
- * Changed low water threshold for buffer xmit_buf
- *
- * Revision 1.36.4.23 1996/12/02 21:50:16 bentson
- * Marcio provided fix to modem status fetch for -Z
- *
- * Revision 1.36.4.22 1996/10/28 22:41:17 bentson
- * improve mapping of -Z control page (thanks to Steve
- * Price <stevep@fa.tdktca.com> for help on this)
- *
- * Revision 1.36.4.21 1996/09/10 17:00:10 bentson
- * shift from CPU-bound to memcopy in cyz_polling operation
- *
- * Revision 1.36.4.20 1996/09/09 18:30:32 Bentson
- * Added support to set and report higher speeds.
- *
- * Revision 1.36.4.19c 1996/08/09 10:00:00 Marcio Saito
- * Some fixes in the HW flow control for the BETA release.
- * Don't try to register the IRQ.
- *
- * Revision 1.36.4.19 1996/08/08 16:23:18 Bentson
- * make sure "cyc" appears in all kernel messages; all soft interrupts
- * handled by same routine; recognize out-of-band reception; comment
- * out some diagnostic messages; leave RTS/CTS flow control to hardware;
- * fix race condition in -Z buffer management; only -Y needs to explicitly
- * flush chars; tidy up some startup messages;
- *
- * Revision 1.36.4.18 1996/07/25 18:57:31 bentson
- * shift MOD_INC_USE_COUNT location to match
- * serial.c; purge some diagnostic messages;
- *
- * Revision 1.36.4.17 1996/07/25 18:01:08 bentson
- * enable modem status messages and fetch & process them; note
- * time of last activity type for each port; set_line_char now
- * supports more than line 0 and treats 0 baud correctly;
- * get_modem_info senses rs_status;
- *
- * Revision 1.36.4.16 1996/07/20 08:43:15 bentson
- * barely works--now's time to turn on
- * more features 'til it breaks
- *
- * Revision 1.36.4.15 1996/07/19 22:30:06 bentson
- * check more -Z board status; shorten boot message
- *
- * Revision 1.36.4.14 1996/07/19 22:20:37 bentson
- * fix reference to ch_ctrl in startup; verify return
- * values from cyz_issue_cmd and cyz_update_channel;
- * more stuff to get modem control correct;
- *
- * Revision 1.36.4.13 1996/07/11 19:53:33 bentson
- * more -Z stuff folded in; re-order changes to put -Z stuff
- * after -Y stuff (to make changes clearer)
- *
- * Revision 1.36.4.12 1996/07/11 15:40:55 bentson
- * Add code to poll Cyclades-Z. Add code to get & set RS-232 control.
- * Add code to send break. Clear firmware ID word at startup (so
- * that other code won't talk to inactive board).
- *
- * Revision 1.36.4.11 1996/07/09 05:28:29 bentson
- * add code for -Z in set_line_char
- *
- * Revision 1.36.4.10 1996/07/08 19:28:37 bentson
- * fold more -Z stuff (or in some cases, error messages)
- * into driver; add text to "don't know what to do" messages.
- *
- * Revision 1.36.4.9 1996/07/08 18:38:38 bentson
- * moved compile-time flags near top of file; cosmetic changes
- * to narrow text (to allow 2-up printing); changed many declarations
- * to "static" to limit external symbols; shuffled code order to
- * coalesce -Y and -Z specific code, also to put internal functions
- * in order of tty_driver structure; added code to recognize -Z
- * ports (and for moment, do nothing or report error); add cy_startup
- * to parse boot command line for extra base addresses for ISA probes;
- *
- * Revision 1.36.4.8 1996/06/25 17:40:19 bentson
- * reorder some code, fix types of some vars (int vs. long),
- * add cy_setup to support user declared ISA addresses
- *
- * Revision 1.36.4.7 1996/06/21 23:06:18 bentson
- * dump ioctl based firmware load (it's now a user level
- * program); ensure uninitialzed ports cannot be used
- *
- * Revision 1.36.4.6 1996/06/20 23:17:19 bentson
- * rename vars and restructure some code
- *
- * Revision 1.36.4.5 1996/06/14 15:09:44 bentson
- * get right status back after boot load
- *
- * Revision 1.36.4.4 1996/06/13 19:51:44 bentson
- * successfully loads firmware
- *
- * Revision 1.36.4.3 1996/06/13 06:08:33 bentson
- * add more of the code for the boot/load ioctls
- *
- * Revision 1.36.4.2 1996/06/11 21:00:51 bentson
- * start to add Z functionality--starting with ioctl
- * for loading firmware
- *
- * Revision 1.36.4.1 1996/06/10 18:03:02 bentson
- * added code to recognize Z/PCI card at initialization; report
- * presence, but card is not initialized (because firmware needs
- * to be loaded)
- *
- * Revision 1.36.3.8 1996/06/07 16:29:00 bentson
- * starting minor number at zero; added missing verify_area
- * as noted by Heiko Eißfeldt <heiko@colossus.escape.de>
- *
- * Revision 1.36.3.7 1996/04/19 21:06:18 bentson
- * remove unneeded boot message & fix CLOCAL hardware flow
- * control (Miquel van Smoorenburg <miquels@Q.cistron.nl>);
- * remove unused diagnostic statements; minor 0 is first;
- *
- * Revision 1.36.3.6 1996/03/13 13:21:17 marcio
- * The kernel function vremap (available only in later 1.3.xx kernels)
- * allows the access to memory addresses above the RAM. This revision
- * of the driver supports PCI boards below 1Mb (device id 0x100) and
- * above 1Mb (device id 0x101).
- *
- * Revision 1.36.3.5 1996/03/07 15:20:17 bentson
- * Some global changes to interrupt handling spilled into
- * this driver--mostly unused arguments in system function
- * calls. Also added change by Marcio Saito which should
- * reduce lost interrupts at startup by fast processors.
- *
- * Revision 1.36.3.4 1995/11/13 20:45:10 bentson
- * Changes by Corey Minyard <minyard@wf-rch.cirr.com> distributed
- * in 1.3.41 kernel to remove a possible race condition, extend
- * some error messages, and let the driver run as a loadable module
- * Change by Alan Wendt <alan@ez0.ezlink.com> to remove a
- * possible race condition.
- * Change by Marcio Saito <marcio@cyclades.com> to fix PCI addressing.
- *
- * Revision 1.36.3.3 1995/11/13 19:44:48 bentson
- * Changes by Linus Torvalds in 1.3.33 kernel distribution
- * required due to reordering of driver initialization.
- * Drivers are now initialized *after* memory management.
- *
- * Revision 1.36.3.2 1995/09/08 22:07:14 bentson
- * remove printk from ISR; fix typo
- *
- * Revision 1.36.3.1 1995/09/01 12:00:42 marcio
- * Minor fixes in the PCI board support. PCI function calls in
- * conditional compilation (CONFIG_PCI). Thanks to Jim Duncan
- * <duncan@okay.com>. "bad serial count" message removed.
- *
- * Revision 1.36.3 1995/08/22 09:19:42 marcio
- * Cyclom-Y/PCI support added. Changes in the cy_init routine and
- * board initialization. Changes in the boot messages. The driver
- * supports up to 4 boards and 64 ports by default.
- *
- * Revision 1.36.1.4 1995/03/29 06:14:14 bentson
- * disambiguate between Cyclom-16Y and Cyclom-32Ye;
- *
- * Revision 1.36.1.3 1995/03/23 22:15:35 bentson
- * add missing break in modem control block in ioctl switch statement
- * (discovered by Michael Edward Chastain <mec@jobe.shell.portal.com>);
- *
- * Revision 1.36.1.2 1995/03/22 19:16:22 bentson
- * make sure CTS flow control is set as soon as possible (thanks
- * to note from David Lambert <lambert@chesapeake.rps.slb.com>);
- *
- * Revision 1.36.1.1 1995/03/13 15:44:43 bentson
- * initialize defaults for receive threshold and stale data timeout;
- * cosmetic changes;
- *
- * Revision 1.36 1995/03/10 23:33:53 bentson
- * added support of chips 4-7 in 32 port Cyclom-Ye;
- * fix cy_interrupt pointer dereference problem
- * (Joe Portman <baron@aa.net>);
- * give better error response if open is attempted on non-existent port
- * (Zachariah Vaum <jchryslr@netcom.com>);
- * correct command timeout (Kenneth Lerman <lerman@@seltd.newnet.com>);
- * conditional compilation for -16Y on systems with fast, noisy bus;
- * comment out diagnostic print function;
- * cleaned up table of base addresses;
- * set receiver time-out period register to correct value,
- * set receive threshold to better default values,
- * set chip timer to more accurate 200 Hz ticking,
- * add code to monitor and modify receive parameters
- * (Rik Faith <faith@cs.unc.edu> Nick Simicich
- * <njs@scifi.emi.net>);
- *
- * Revision 1.35 1994/12/16 13:54:18 steffen
- * additional patch by Marcio Saito for board detection
- * Accidently left out in 1.34
- *
- * Revision 1.34 1994/12/10 12:37:12 steffen
- * This is the corrected version as suggested by Marcio Saito
- *
- * Revision 1.33 1994/12/01 22:41:18 bentson
- * add hooks to support more high speeds directly; add tytso
- * patch regarding CLOCAL wakeups
- *
- * Revision 1.32 1994/11/23 19:50:04 bentson
- * allow direct kernel control of higher signalling rates;
- * look for cards at additional locations
- *
- * Revision 1.31 1994/11/16 04:33:28 bentson
- * ANOTHER fix from Corey Minyard, minyard@wf-rch.cirr.com--
- * a problem in chars_in_buffer has been resolved by some
- * small changes; this should yield smoother output
- *
- * Revision 1.30 1994/11/16 04:28:05 bentson
- * Fix from Corey Minyard, Internet: minyard@metronet.com,
- * UUCP: minyard@wf-rch.cirr.com, WORK: minyardbnr.ca, to
- * cy_hangup that appears to clear up much (all?) of the
- * DTR glitches; also he's added/cleaned-up diagnostic messages
- *
- * Revision 1.29 1994/11/16 04:16:07 bentson
- * add change proposed by Ralph Sims, ralphs@halcyon.com, to
- * operate higher speeds in same way as other serial ports;
- * add more serial ports (for up to two 16-port muxes).
- *
- * Revision 1.28 1994/11/04 00:13:16 root
- * turn off diagnostic messages
- *
- * Revision 1.27 1994/11/03 23:46:37 root
- * bunch of changes to bring driver into greater conformance
- * with the serial.c driver (looking for missed fixes)
- *
- * Revision 1.26 1994/11/03 22:40:36 root
- * automatic interrupt probing fixed.
- *
- * Revision 1.25 1994/11/03 20:17:02 root
- * start to implement auto-irq
- *
- * Revision 1.24 1994/11/03 18:01:55 root
- * still working on modem signals--trying not to drop DTR
- * during the getty/login processes
- *
- * Revision 1.23 1994/11/03 17:51:36 root
- * extend baud rate support; set receive threshold as function
- * of baud rate; fix some problems with RTS/CTS;
- *
- * Revision 1.22 1994/11/02 18:05:35 root
- * changed arguments to udelay to type long to get
- * delays to be of correct duration
- *
- * Revision 1.21 1994/11/02 17:37:30 root
- * employ udelay (after calibrating loops_per_second earlier
- * in init/main.c) instead of using home-grown delay routines
- *
- * Revision 1.20 1994/11/02 03:11:38 root
- * cy_chars_in_buffer forces a return value of 0 to let
- * login work (don't know why it does); some functions
- * that were returning EFAULT, now executes the code;
- * more work on deciding when to disable xmit interrupts;
- *
- * Revision 1.19 1994/11/01 20:10:14 root
- * define routine to start transmission interrupts (by enabling
- * transmit interrupts); directly enable/disable modem interrupts;
- *
- * Revision 1.18 1994/11/01 18:40:45 bentson
- * Don't always enable transmit interrupts in startup; interrupt on
- * TxMpty instead of TxRdy to help characters get out before shutdown;
- * restructure xmit interrupt to check for chars first and quit if
- * none are ready to go; modem status (MXVRx) is upright, _not_ inverted
- * (to my view);
- *
- * Revision 1.17 1994/10/30 04:39:45 bentson
- * rename serial_driver and callout_driver to cy_serial_driver and
- * cy_callout_driver to avoid linkage interference; initialize
- * info->type to PORT_CIRRUS; ruggedize paranoia test; elide ->port
- * from cyclades_port structure; add paranoia check to cy_close;
- *
- * Revision 1.16 1994/10/30 01:14:33 bentson
- * change major numbers; add some _early_ return statements;
- *
- * Revision 1.15 1994/10/29 06:43:15 bentson
- * final tidying up for clean compile; enable some error reporting
- *
- * Revision 1.14 1994/10/28 20:30:22 Bentson
- * lots of changes to drag the driver towards the new tty_io
- * structures and operation. not expected to work, but may
- * compile cleanly.
- *
- * Revision 1.13 1994/07/21 23:08:57 Bentson
- * add some diagnostic cruft; support 24 lines (for testing
- * both -8Y and -16Y cards; be more thorough in servicing all
- * chips during interrupt; add "volatile" a few places to
- * circumvent compiler optimizations; fix base & offset
- * computations in block_til_ready (was causing chip 0 to
- * stop operation)
- *
- * Revision 1.12 1994/07/19 16:42:11 Bentson
- * add some hackery for kernel version 1.1.8; expand
- * error messages; refine timing for delay loops and
- * declare loop params volatile
- *
- * Revision 1.11 1994/06/11 21:53:10 bentson
- * get use of save_car right in transmit interrupt service
- *
- * Revision 1.10.1.1 1994/06/11 21:31:18 bentson
- * add some diagnostic printing; try to fix save_car stuff
- *
- * Revision 1.10 1994/06/11 20:36:08 bentson
- * clean up compiler warnings
- *
- * Revision 1.9 1994/06/11 19:42:46 bentson
- * added a bunch of code to support modem signalling
- *
- * Revision 1.8 1994/06/11 17:57:07 bentson
- * recognize break & parity error
- *
- * Revision 1.7 1994/06/05 05:51:34 bentson
- * Reorder baud table to be monotonic; add cli to CP; discard
- * incoming characters and status if the line isn't open; start to
- * fold code into cy_throttle; start to port get_serial_info,
- * set_serial_info, get_modem_info, set_modem_info, and send_break
- * from serial.c; expand cy_ioctl; relocate and expand config_setup;
- * get flow control characters from tty struct; invalidate ports w/o
- * hardware;
- *
- * Revision 1.6 1994/05/31 18:42:21 bentson
- * add a loop-breaker in the interrupt service routine;
- * note when port is initialized so that it can be shut
- * down under the right conditions; receive works without
- * any obvious errors
- *
- * Revision 1.5 1994/05/30 00:55:02 bentson
- * transmit works without obvious errors
- *
- * Revision 1.4 1994/05/27 18:46:27 bentson
- * incorporated more code from lib_y.c; can now print short
- * strings under interrupt control to port zero; seems to
- * select ports/channels/lines correctly
- *
- * Revision 1.3 1994/05/25 22:12:44 bentson
- * shifting from multi-port on a card to proper multiplexor
- * data structures; added skeletons of most routines
- *
- * Revision 1.2 1994/05/19 13:21:43 bentson
- * start to crib from other sources
- *
*/
-#define CY_VERSION "2.5"
+#define CY_VERSION "2.6"
/* If you need to install more boards than NR_CARDS, change the constant
in the definition below. No other change is necessary to support up to
@@ -648,9 +80,7 @@
#include <linux/firmware.h>
#include <linux/device.h>
-#include <asm/system.h>
#include <linux/io.h>
-#include <asm/irq.h>
#include <linux/uaccess.h>
#include <linux/kernel.h>
@@ -666,7 +96,6 @@ static void cy_send_xchar(struct tty_struct *tty, char ch);
#ifndef SERIAL_XMIT_SIZE
#define SERIAL_XMIT_SIZE (min(PAGE_SIZE, 4096))
#endif
-#define WAKEUP_CHARS 256
#define STD_COM_FLAGS (0)
@@ -756,25 +185,25 @@ static int cy_next_channel; /* next minor available */
* HI VHI
* 20
*/
-static int baud_table[] = {
+static const int baud_table[] = {
0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
1800, 2400, 4800, 9600, 19200, 38400, 57600, 76800, 115200, 150000,
230400, 0
};
-static char baud_co_25[] = { /* 25 MHz clock option table */
+static const char baud_co_25[] = { /* 25 MHz clock option table */
/* value => 00 01 02 03 04 */
/* divide by 8 32 128 512 2048 */
0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x02,
0x02, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
-static char baud_bpr_25[] = { /* 25 MHz baud rate period table */
+static const char baud_bpr_25[] = { /* 25 MHz baud rate period table */
0x00, 0xf5, 0xa3, 0x6f, 0x5c, 0x51, 0xf5, 0xa3, 0x51, 0xa3,
0x6d, 0x51, 0xa3, 0x51, 0xa3, 0x51, 0x36, 0x29, 0x1b, 0x15
};
-static char baud_co_60[] = { /* 60 MHz clock option table (CD1400 J) */
+static const char baud_co_60[] = { /* 60 MHz clock option table (CD1400 J) */
/* value => 00 01 02 03 04 */
/* divide by 8 32 128 512 2048 */
0x00, 0x00, 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03,
@@ -782,13 +211,13 @@ static char baud_co_60[] = { /* 60 MHz clock option table (CD1400 J) */
0x00
};
-static char baud_bpr_60[] = { /* 60 MHz baud rate period table (CD1400 J) */
+static const char baud_bpr_60[] = { /* 60 MHz baud rate period table (CD1400 J) */
0x00, 0x82, 0x21, 0xff, 0xdb, 0xc3, 0x92, 0x62, 0xc3, 0x62,
0x41, 0xc3, 0x62, 0xc3, 0x62, 0xc3, 0x82, 0x62, 0x41, 0x32,
0x21
};
-static char baud_cor3[] = { /* receive threshold */
+static const char baud_cor3[] = { /* receive threshold */
0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
0x0a, 0x0a, 0x0a, 0x09, 0x09, 0x08, 0x08, 0x08, 0x08, 0x07,
0x07
@@ -805,7 +234,7 @@ static char baud_cor3[] = { /* receive threshold */
* cables.
*/
-static char rflow_thr[] = { /* rflow threshold */
+static const char rflow_thr[] = { /* rflow threshold */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a,
0x0a
@@ -827,7 +256,7 @@ static const unsigned int cy_chip_offset[] = { 0x0000,
/* PCI related definitions */
#ifdef CONFIG_PCI
-static struct pci_device_id cy_pci_dev_id[] __devinitdata = {
+static const struct pci_device_id cy_pci_dev_id[] = {
/* PCI < 1Mb */
{ PCI_DEVICE(PCI_VENDOR_ID_CYCLADES, PCI_DEVICE_ID_CYCLOM_Y_Lo) },
/* PCI > 1Mb */
@@ -893,7 +322,7 @@ static inline bool cyz_is_loaded(struct cyclades_card *card)
}
static inline int serial_paranoia_check(struct cyclades_port *info,
- char *name, const char *routine)
+ const char *name, const char *routine)
{
#ifdef SERIAL_PARANOIA_CHECK
if (!info) {
@@ -909,7 +338,7 @@ static inline int serial_paranoia_check(struct cyclades_port *info,
}
#endif
return 0;
-} /* serial_paranoia_check */
+}
/***********************************************************/
/********* Start of block of Cyclom-Y specific code ********/
@@ -3030,11 +2459,9 @@ cy_set_serial_info(struct cyclades_port *info, struct tty_struct *tty,
struct serial_struct __user *new_info)
{
struct serial_struct new_serial;
- struct cyclades_port old_info;
if (copy_from_user(&new_serial, new_info, sizeof(new_serial)))
return -EFAULT;
- old_info = *info;
if (!capable(CAP_SYS_ADMIN)) {
if (new_serial.close_delay != info->port.close_delay ||
@@ -3376,7 +2803,6 @@ static int cy_break(struct tty_struct *tty, int break_state)
static int get_mon_info(struct cyclades_port *info,
struct cyclades_monitor __user *mon)
{
-
if (copy_to_user(mon, &info->mon, sizeof(struct cyclades_monitor)))
return -EFAULT;
info->mon.int_count = 0;
--
GitLab
From f6e208c1119206e2382ef7df6e47aaee18eb7f10 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:14 -0700
Subject: [PATCH 659/742] cyclades: sleep instead busy-wait
Avoid long busy loops (5 ms) which may be replaced by sleeps.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 3884ea439935..b6d40ad662ff 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -389,7 +389,7 @@ static unsigned detect_isa_irq(void __iomem *address)
irqs = probe_irq_on();
/* Wait ... */
- udelay(5000L);
+ msleep(5);
/* Enable the Tx interrupts on the CD1400 */
local_irq_save(flags);
@@ -402,7 +402,7 @@ static unsigned detect_isa_irq(void __iomem *address)
local_irq_restore(flags);
/* Wait ... */
- udelay(5000L);
+ msleep(5);
/* Check which interrupt is in use */
irq = probe_irq_off(irqs);
--
GitLab
From 4d7682005ca88a37667c4af03908798e188b5224 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:15 -0700
Subject: [PATCH 660/742] cyclades: use dtr_rts helpers
For Z cards, use tty helpers for dtr_rts.
If we did the same for Y cards, it will cause a deadlock, because
cyy_dtr_rts takes a lock which we already hold.
Instead, we introduce a Y helper expecting card lock to be held.
It may then be called with set/clear masks from other places.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 280 ++++++++++++----------------------------
1 file changed, 79 insertions(+), 201 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index b6d40ad662ff..74627950f901 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -825,6 +825,66 @@ static irqreturn_t cyy_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
} /* cyy_interrupt */
+static void cyy_change_rts_dtr(struct cyclades_port *info, unsigned int set,
+ unsigned int clear)
+{
+ struct cyclades_card *card = info->card;
+ void __iomem *base_addr;
+ int chip, channel, index;
+
+ channel = info->line - card->first_line;
+ chip = channel >> 2;
+ channel &= 0x03;
+ index = card->bus_index;
+ base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+
+ if (set & TIOCM_RTS) {
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR2 << index), CyDTR);
+ } else {
+ cy_writeb(base_addr + (CyMSVR1 << index), CyRTS);
+ }
+ }
+ if (clear & TIOCM_RTS) {
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR2 << index), ~CyDTR);
+ } else {
+ cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS);
+ }
+ }
+ if (set & TIOCM_DTR) {
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR1 << index), CyRTS);
+ } else {
+ cy_writeb(base_addr + (CyMSVR2 << index), CyDTR);
+ }
+#ifdef CY_DEBUG_DTR
+ printk(KERN_DEBUG "cyc:set_modem_info raising DTR\n");
+ printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
+ readb(base_addr + (CyMSVR1 << index)),
+ readb(base_addr + (CyMSVR2 << index)));
+#endif
+ }
+ if (clear & TIOCM_DTR) {
+ cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ if (info->rtsdtr_inv) {
+ cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS);
+ } else {
+ cy_writeb(base_addr + (CyMSVR2 << index), ~CyDTR);
+ }
+
+#ifdef CY_DEBUG_DTR
+ printk(KERN_DEBUG "cyc:set_modem_info dropping DTR\n");
+ printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
+ readb(base_addr + (CyMSVR1 << index)),
+ readb(base_addr + (CyMSVR2 << index)));
+#endif
+ }
+}
+
/***********************************************************/
/********* End of block of Cyclom-Y specific code **********/
/******** Start of block of Cyclades-Z specific code *******/
@@ -1290,16 +1350,7 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
cyy_issue_cmd(base_addr, CyCHAN_CTL | CyENB_RCVR | CyENB_XMTR,
index);
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
- cy_writeb(base_addr + (CyMSVR1 << index), CyRTS);
- cy_writeb(base_addr + (CyMSVR2 << index), CyDTR);
-
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:startup raising DTR\n");
- printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- readb(base_addr + (CyMSVR1 << index)),
- readb(base_addr + (CyMSVR2 << index)));
-#endif
+ cyy_change_rts_dtr(info, TIOCM_RTS | TIOCM_DTR, 0);
cy_writeb(base_addr + (CySRER << index),
readb(base_addr + (CySRER << index)) | CyRxData);
@@ -1362,16 +1413,7 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
/* set timeout !!! */
/* set RTS and DTR !!! */
- cy_writel(&ch_ctrl->rs_control, readl(&ch_ctrl->rs_control) |
- C_RS_RTS | C_RS_DTR);
- retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM, 0L);
- if (retval != 0) {
- printk(KERN_ERR "cyc:startup(3) retval on ttyC%d was "
- "%x\n", info->line, retval);
- }
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:startup raising Z DTR\n");
-#endif
+ tty_port_raise_dtr_rts(&info->port);
/* enable send, recv, modem !!! */
@@ -1473,17 +1515,9 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
info->port.xmit_buf = NULL;
free_page((unsigned long)temp);
}
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
- if (tty->termios->c_cflag & HUPCL) {
- cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS);
- cy_writeb(base_addr + (CyMSVR2 << index), ~CyDTR);
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc shutdown dropping DTR\n");
- printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- readb(base_addr + (CyMSVR1 << index)),
- readb(base_addr + (CyMSVR2 << index)));
-#endif
- }
+ if (tty->termios->c_cflag & HUPCL)
+ cyy_change_rts_dtr(info, 0, TIOCM_RTS | TIOCM_DTR);
+
cyy_issue_cmd(base_addr, CyCHAN_CTL | CyDIS_RCVR, index);
/* it may be appropriate to clear _XMIT at
some later date (after testing)!!! */
@@ -1492,9 +1526,6 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
info->port.flags &= ~ASYNC_INITIALIZED;
spin_unlock_irqrestore(&card->card_lock, flags);
} else {
- struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
- int retval;
-
#ifdef CY_DEBUG_OPEN
printk(KERN_DEBUG "cyc shutdown Z card %d, channel %d, "
"base_addr %p\n", card, channel, card->base_addr);
@@ -1512,20 +1543,8 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
free_page((unsigned long)temp);
}
- if (tty->termios->c_cflag & HUPCL) {
- cy_writel(&ch_ctrl->rs_control,
- readl(&ch_ctrl->rs_control) &
- ~(C_RS_RTS | C_RS_DTR));
- retval = cyz_issue_cmd(info->card, channel,
- C_CM_IOCTLM, 0L);
- if (retval != 0) {
- printk(KERN_ERR"cyc:shutdown retval on ttyC%d "
- "was %x\n", info->line, retval);
- }
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:shutdown dropping Z DTR\n");
-#endif
- }
+ if (tty->termios->c_cflag & HUPCL)
+ tty_port_lower_dtr_rts(&info->port);
set_bit(TTY_IO_ERROR, &tty->flags);
info->port.flags &= ~ASYNC_INITIALIZED;
@@ -2273,35 +2292,10 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
CyDSR | CyCTS | CyRI | CyDCD);
}
- if (i == 0) { /* baud rate is zero, turn off line */
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR1 << index),
- ~CyRTS);
- } else {
- cy_writeb(base_addr + (CyMSVR2 << index),
- ~CyDTR);
- }
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_line_char dropping DTR\n");
- printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- readb(base_addr + (CyMSVR1 << index)),
- readb(base_addr + (CyMSVR2 << index)));
-#endif
- } else {
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR1 << index),
- CyRTS);
- } else {
- cy_writeb(base_addr + (CyMSVR2 << index),
- CyDTR);
- }
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_line_char raising DTR\n");
- printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- readb(base_addr + (CyMSVR1 << index)),
- readb(base_addr + (CyMSVR2 << index)));
-#endif
- }
+ if (i == 0) /* baud rate is zero, turn off line */
+ cyy_change_rts_dtr(info, 0, TIOCM_DTR);
+ else
+ cyy_change_rts_dtr(info, TIOCM_DTR, 0);
clear_bit(TTY_IO_ERROR, &tty->flags);
spin_unlock_irqrestore(&card->card_lock, flags);
@@ -2604,9 +2598,8 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
{
struct cyclades_port *info = tty->driver_data;
struct cyclades_card *card;
- int chip, channel, index;
unsigned long flags;
- int retval;
+ int channel, retval;
if (serial_paranoia_check(info, tty->name, __func__))
return -ENODEV;
@@ -2614,77 +2607,9 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
card = info->card;
channel = (info->line) - (card->first_line);
if (!cy_is_Z(card)) {
- void __iomem *base_addr;
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
-
- if (set & TIOCM_RTS) {
- spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index),
- (u_char) channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR2 << index),
- CyDTR);
- } else {
- cy_writeb(base_addr + (CyMSVR1 << index),
- CyRTS);
- }
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
- if (clear & TIOCM_RTS) {
- spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index),
- (u_char) channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR2 << index),
- ~CyDTR);
- } else {
- cy_writeb(base_addr + (CyMSVR1 << index),
- ~CyRTS);
- }
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
- if (set & TIOCM_DTR) {
- spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index),
- (u_char) channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR1 << index),
- CyRTS);
- } else {
- cy_writeb(base_addr + (CyMSVR2 << index),
- CyDTR);
- }
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_modem_info raising DTR\n");
- printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- readb(base_addr + (CyMSVR1 << index)),
- readb(base_addr + (CyMSVR2 << index)));
-#endif
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
- if (clear & TIOCM_DTR) {
- spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index),
- (u_char) channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR1 << index),
- ~CyRTS);
- } else {
- cy_writeb(base_addr + (CyMSVR2 << index),
- ~CyDTR);
- }
-
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_modem_info dropping DTR\n");
- printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- readb(base_addr + (CyMSVR1 << index)),
- readb(base_addr + (CyMSVR2 << index)));
-#endif
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
+ spin_lock_irqsave(&card->card_lock, flags);
+ cyy_change_rts_dtr(info, set, clear);
+ spin_unlock_irqrestore(&card->card_lock, flags);
} else {
if (cyz_is_loaded(card)) {
struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
@@ -3177,8 +3102,6 @@ static void cy_throttle(struct tty_struct *tty)
struct cyclades_port *info = tty->driver_data;
struct cyclades_card *card;
unsigned long flags;
- void __iomem *base_addr;
- int chip, channel, index;
#ifdef CY_DEBUG_THROTTLE
char buf[64];
@@ -3200,24 +3123,9 @@ static void cy_throttle(struct tty_struct *tty)
}
if (tty->termios->c_cflag & CRTSCTS) {
- channel = info->line - card->first_line;
if (!cy_is_Z(card)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr +
- (cy_chip_offset[chip] << index);
-
spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index),
- (u_char) channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR2 << index),
- ~CyDTR);
- } else {
- cy_writeb(base_addr + (CyMSVR1 << index),
- ~CyRTS);
- }
+ cyy_change_rts_dtr(info, 0, TIOCM_RTS);
spin_unlock_irqrestore(&card->card_lock, flags);
} else {
info->throttle = 1;
@@ -3235,8 +3143,6 @@ static void cy_unthrottle(struct tty_struct *tty)
struct cyclades_port *info = tty->driver_data;
struct cyclades_card *card;
unsigned long flags;
- void __iomem *base_addr;
- int chip, channel, index;
#ifdef CY_DEBUG_THROTTLE
char buf[64];
@@ -3257,24 +3163,9 @@ static void cy_unthrottle(struct tty_struct *tty)
if (tty->termios->c_cflag & CRTSCTS) {
card = info->card;
- channel = info->line - card->first_line;
if (!cy_is_Z(card)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr +
- (cy_chip_offset[chip] << index);
-
spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index),
- (u_char) channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR2 << index),
- CyDTR);
- } else {
- cy_writeb(base_addr + (CyMSVR1 << index),
- CyRTS);
- }
+ cyy_change_rts_dtr(info, TIOCM_RTS, 0);
spin_unlock_irqrestore(&card->card_lock, flags);
} else {
info->throttle = 0;
@@ -3395,24 +3286,11 @@ static void cyy_dtr_rts(struct tty_port *port, int raise)
struct cyclades_port *info = container_of(port, struct cyclades_port,
port);
struct cyclades_card *cinfo = info->card;
- void __iomem *base = cinfo->base_addr;
unsigned long flags;
- int channel = info->line - cinfo->first_line;
- int chip = channel >> 2, index = cinfo->bus_index;
-
- channel &= 0x03;
- base += cy_chip_offset[chip] << index;
spin_lock_irqsave(&cinfo->card_lock, flags);
- cy_writeb(base + (CyCAR << index), (u8)channel);
- cy_writeb(base + (CyMSVR1 << index), raise ? CyRTS : ~CyRTS);
- cy_writeb(base + (CyMSVR2 << index), raise ? CyDTR : ~CyDTR);
-#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "%s: raising DTR\n", __func__);
- printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- readb(base + (CyMSVR1 << index)),
- readb(base + (CyMSVR2 << index)));
-#endif
+ cyy_change_rts_dtr(info, raise ? TIOCM_RTS | TIOCM_DTR : 0,
+ raise ? 0 : TIOCM_RTS | TIOCM_DTR);
spin_unlock_irqrestore(&cinfo->card_lock, flags);
}
--
GitLab
From cc7fdf49d6f06efdf0cb7da8d7abe7eff663aa9b Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:15 -0700
Subject: [PATCH 661/742] cyclades: merge cy_startup tails
There is a duplicated code for Y and Z in cy_startup, merge the paths.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 45 +++++++++++++++--------------------------
1 file changed, 16 insertions(+), 29 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 74627950f901..47cd7b8d4d97 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -1296,7 +1296,7 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
unsigned long flags;
int retval = 0;
void __iomem *base_addr;
- int chip, channel, index;
+ int channel;
unsigned long page;
card = info->card;
@@ -1308,14 +1308,11 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
spin_lock_irqsave(&card->card_lock, flags);
- if (info->port.flags & ASYNC_INITIALIZED) {
- free_page(page);
+ if (info->port.flags & ASYNC_INITIALIZED)
goto errout;
- }
if (!info->type) {
set_bit(TTY_IO_ERROR, &tty->flags);
- free_page(page);
goto errout;
}
@@ -1329,9 +1326,9 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
cy_set_line_char(info, tty);
if (!cy_is_Z(card)) {
- chip = channel >> 2;
+ int chip = channel >> 2;
+ int index = card->bus_index;
channel &= 0x03;
- index = card->bus_index;
base_addr = card->base_addr + (cy_chip_offset[chip] << index);
#ifdef CY_DEBUG_OPEN
@@ -1354,18 +1351,6 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
cy_writeb(base_addr + (CySRER << index),
readb(base_addr + (CySRER << index)) | CyRxData);
- info->port.flags |= ASYNC_INITIALIZED;
-
- clear_bit(TTY_IO_ERROR, &tty->flags);
- info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
- info->breakon = info->breakoff = 0;
- memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats));
- info->idle_stats.in_use =
- info->idle_stats.recv_idle =
- info->idle_stats.xmit_idle = jiffies;
-
- spin_unlock_irqrestore(&card->card_lock, flags);
-
} else {
struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
@@ -1416,18 +1401,19 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
tty_port_raise_dtr_rts(&info->port);
/* enable send, recv, modem !!! */
+ }
- info->port.flags |= ASYNC_INITIALIZED;
- clear_bit(TTY_IO_ERROR, &tty->flags);
- info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
- info->breakon = info->breakoff = 0;
- memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats));
- info->idle_stats.in_use =
- info->idle_stats.recv_idle =
- info->idle_stats.xmit_idle = jiffies;
+ info->port.flags |= ASYNC_INITIALIZED;
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
+ clear_bit(TTY_IO_ERROR, &tty->flags);
+ info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
+ info->breakon = info->breakoff = 0;
+ memset((char *)&info->idle_stats, 0, sizeof(info->idle_stats));
+ info->idle_stats.in_use =
+ info->idle_stats.recv_idle =
+ info->idle_stats.xmit_idle = jiffies;
+
+ spin_unlock_irqrestore(&card->card_lock, flags);
#ifdef CY_DEBUG_OPEN
printk(KERN_DEBUG "cyc startup done\n");
@@ -1436,6 +1422,7 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
errout:
spin_unlock_irqrestore(&card->card_lock, flags);
+ free_page(page);
return retval;
} /* startup */
--
GitLab
From 6c28181cf8b7d5af5f20a7bd102452033e14d946 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:15 -0700
Subject: [PATCH 662/742] cyclades: ioctls cleanup
- add a cy_ prefix to functions with changed prototypes
- cy_get_serial_info: initialize serial_struct by initializer,
save a memset
- inline simple functions (get_mon_info, {s,g}et_default_threshold,
{s,g}et_default_timeout) directly in the ioctl handler
- add a cy_cflags_changed helper to not copy its code by
wait_event_interruptible
- remove some ret_val = 0 assignments, it's preset to 0
- TIOCGICOUNT: don't do many put_user's, do one copy_to_user
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 179 +++++++++++++++-------------------------
1 file changed, 67 insertions(+), 112 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 47cd7b8d4d97..e1637ad9390e 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -2411,29 +2411,25 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
}
} /* set_line_char */
-static int
-get_serial_info(struct cyclades_port *info,
+static int cy_get_serial_info(struct cyclades_port *info,
struct serial_struct __user *retinfo)
{
- struct serial_struct tmp;
struct cyclades_card *cinfo = info->card;
-
- if (!retinfo)
- return -EFAULT;
- memset(&tmp, 0, sizeof(tmp));
- tmp.type = info->type;
- tmp.line = info->line;
- tmp.port = (info->card - cy_card) * 0x100 + info->line -
- cinfo->first_line;
- tmp.irq = cinfo->irq;
- tmp.flags = info->port.flags;
- tmp.close_delay = info->port.close_delay;
- tmp.closing_wait = info->port.closing_wait;
- tmp.baud_base = info->baud;
- tmp.custom_divisor = info->custom_divisor;
- tmp.hub6 = 0; /*!!! */
+ struct serial_struct tmp = {
+ .type = info->type,
+ .line = info->line,
+ .port = (info->card - cy_card) * 0x100 + info->line -
+ cinfo->first_line,
+ .irq = cinfo->irq,
+ .flags = info->port.flags,
+ .close_delay = info->port.close_delay,
+ .closing_wait = info->port.closing_wait,
+ .baud_base = info->baud,
+ .custom_divisor = info->custom_divisor,
+ .hub6 = 0, /*!!! */
+ };
return copy_to_user(retinfo, &tmp, sizeof(*retinfo)) ? -EFAULT : 0;
-} /* get_serial_info */
+}
static int
cy_set_serial_info(struct cyclades_port *info, struct tty_struct *tty,
@@ -2712,18 +2708,6 @@ static int cy_break(struct tty_struct *tty, int break_state)
return retval;
} /* cy_break */
-static int get_mon_info(struct cyclades_port *info,
- struct cyclades_monitor __user *mon)
-{
- if (copy_to_user(mon, &info->mon, sizeof(struct cyclades_monitor)))
- return -EFAULT;
- info->mon.int_count = 0;
- info->mon.char_count = 0;
- info->mon.char_max = 0;
- info->mon.char_last = 0;
- return 0;
-} /* get_mon_info */
-
static int set_threshold(struct cyclades_port *info, unsigned long value)
{
struct cyclades_card *card;
@@ -2773,19 +2757,6 @@ static int get_threshold(struct cyclades_port *info,
return 0;
} /* get_threshold */
-static int set_default_threshold(struct cyclades_port *info,
- unsigned long value)
-{
- info->default_threshold = value & 0x0f;
- return 0;
-} /* set_default_threshold */
-
-static int get_default_threshold(struct cyclades_port *info,
- unsigned long __user *value)
-{
- return put_user(info->default_threshold, value);
-} /* get_default_threshold */
-
static int set_timeout(struct cyclades_port *info, unsigned long value)
{
struct cyclades_card *card;
@@ -2830,17 +2801,26 @@ static int get_timeout(struct cyclades_port *info,
return 0;
} /* get_timeout */
-static int set_default_timeout(struct cyclades_port *info, unsigned long value)
+static int cy_cflags_changed(struct cyclades_port *info, unsigned long arg,
+ struct cyclades_icount *cprev)
{
- info->default_timeout = value & 0xff;
- return 0;
-} /* set_default_timeout */
+ struct cyclades_icount cnow;
+ unsigned long flags;
+ int ret;
-static int get_default_timeout(struct cyclades_port *info,
- unsigned long __user *value)
-{
- return put_user(info->default_timeout, value);
-} /* get_default_timeout */
+ spin_lock_irqsave(&info->card->card_lock, flags);
+ cnow = info->icount; /* atomic copy */
+ spin_unlock_irqrestore(&info->card->card_lock, flags);
+
+ ret = ((arg & TIOCM_RNG) && (cnow.rng != cprev->rng)) ||
+ ((arg & TIOCM_DSR) && (cnow.dsr != cprev->dsr)) ||
+ ((arg & TIOCM_CD) && (cnow.dcd != cprev->dcd)) ||
+ ((arg & TIOCM_CTS) && (cnow.cts != cprev->cts));
+
+ *cprev = cnow;
+
+ return ret;
+}
/*
* This routine allows the tty driver to implement device-
@@ -2852,8 +2832,7 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct cyclades_port *info = tty->driver_data;
- struct cyclades_icount cprev, cnow; /* kernel counter temps */
- struct serial_icounter_struct __user *p_cuser; /* user space */
+ struct cyclades_icount cnow; /* kernel counter temps */
int ret_val = 0;
unsigned long flags;
void __user *argp = (void __user *)arg;
@@ -2869,7 +2848,11 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
switch (cmd) {
case CYGETMON:
- ret_val = get_mon_info(info, argp);
+ if (copy_to_user(argp, &info->mon, sizeof(info->mon))) {
+ ret_val = -EFAULT;
+ break;
+ }
+ memset(&info->mon, 0, sizeof(info->mon));
break;
case CYGETTHRESH:
ret_val = get_threshold(info, argp);
@@ -2878,10 +2861,11 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
ret_val = set_threshold(info, arg);
break;
case CYGETDEFTHRESH:
- ret_val = get_default_threshold(info, argp);
+ ret_val = put_user(info->default_threshold,
+ (unsigned long __user *)argp);
break;
case CYSETDEFTHRESH:
- ret_val = set_default_threshold(info, arg);
+ info->default_threshold = arg & 0x0f;
break;
case CYGETTIMEOUT:
ret_val = get_timeout(info, argp);
@@ -2890,21 +2874,20 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
ret_val = set_timeout(info, arg);
break;
case CYGETDEFTIMEOUT:
- ret_val = get_default_timeout(info, argp);
+ ret_val = put_user(info->default_timeout,
+ (unsigned long __user *)argp);
break;
case CYSETDEFTIMEOUT:
- ret_val = set_default_timeout(info, arg);
+ info->default_timeout = arg & 0xff;
break;
case CYSETRFLOW:
info->rflow = (int)arg;
- ret_val = 0;
break;
case CYGETRFLOW:
ret_val = info->rflow;
break;
case CYSETRTSDTR_INV:
info->rtsdtr_inv = (int)arg;
- ret_val = 0;
break;
case CYGETRTSDTR_INV:
ret_val = info->rtsdtr_inv;
@@ -2915,7 +2898,6 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
#ifndef CONFIG_CYZ_INTR
case CYZSETPOLLCYCLE:
cyz_polling_cycle = (arg * HZ) / 1000;
- ret_val = 0;
break;
case CYZGETPOLLCYCLE:
ret_val = (cyz_polling_cycle * 1000) / HZ;
@@ -2923,13 +2905,12 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
#endif /* CONFIG_CYZ_INTR */
case CYSETWAIT:
info->port.closing_wait = (unsigned short)arg * HZ / 100;
- ret_val = 0;
break;
case CYGETWAIT:
ret_val = info->port.closing_wait / (HZ / 100);
break;
case TIOCGSERIAL:
- ret_val = get_serial_info(info, argp);
+ ret_val = cy_get_serial_info(info, argp);
break;
case TIOCSSERIAL:
ret_val = cy_set_serial_info(info, tty, argp);
@@ -2948,17 +2929,8 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
/* note the counters on entry */
cnow = info->icount;
spin_unlock_irqrestore(&info->card->card_lock, flags);
- ret_val = wait_event_interruptible(info->delta_msr_wait, ({
- cprev = cnow;
- spin_lock_irqsave(&info->card->card_lock, flags);
- cnow = info->icount; /* atomic copy */
- spin_unlock_irqrestore(&info->card->card_lock, flags);
-
- ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
- ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
- ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) ||
- ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts));
- }));
+ ret_val = wait_event_interruptible(info->delta_msr_wait,
+ cy_cflags_changed(info, arg, &cnow));
break;
/*
@@ -2967,46 +2939,29 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
* NB: both 1->0 and 0->1 transitions are counted except for
* RI where only 0->1 is counted.
*/
- case TIOCGICOUNT:
+ case TIOCGICOUNT: {
+ struct serial_icounter_struct sic = { };
+
spin_lock_irqsave(&info->card->card_lock, flags);
cnow = info->icount;
spin_unlock_irqrestore(&info->card->card_lock, flags);
- p_cuser = argp;
- ret_val = put_user(cnow.cts, &p_cuser->cts);
- if (ret_val)
- break;
- ret_val = put_user(cnow.dsr, &p_cuser->dsr);
- if (ret_val)
- break;
- ret_val = put_user(cnow.rng, &p_cuser->rng);
- if (ret_val)
- break;
- ret_val = put_user(cnow.dcd, &p_cuser->dcd);
- if (ret_val)
- break;
- ret_val = put_user(cnow.rx, &p_cuser->rx);
- if (ret_val)
- break;
- ret_val = put_user(cnow.tx, &p_cuser->tx);
- if (ret_val)
- break;
- ret_val = put_user(cnow.frame, &p_cuser->frame);
- if (ret_val)
- break;
- ret_val = put_user(cnow.overrun, &p_cuser->overrun);
- if (ret_val)
- break;
- ret_val = put_user(cnow.parity, &p_cuser->parity);
- if (ret_val)
- break;
- ret_val = put_user(cnow.brk, &p_cuser->brk);
- if (ret_val)
- break;
- ret_val = put_user(cnow.buf_overrun, &p_cuser->buf_overrun);
- if (ret_val)
- break;
- ret_val = 0;
+
+ sic.cts = cnow.cts;
+ sic.dsr = cnow.dsr;
+ sic.rng = cnow.rng;
+ sic.dcd = cnow.dcd;
+ sic.rx = cnow.rx;
+ sic.tx = cnow.tx;
+ sic.frame = cnow.frame;
+ sic.overrun = cnow.overrun;
+ sic.parity = cnow.parity;
+ sic.brk = cnow.brk;
+ sic.buf_overrun = cnow.buf_overrun;
+
+ if (copy_to_user(argp, &sic, sizeof(sic)))
+ ret_val = -EFAULT;
break;
+ }
default:
ret_val = -ENOIOCTLCMD;
}
--
GitLab
From 0d3487294e4e175eb6371c8df8ef44b45964e0f6 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:16 -0700
Subject: [PATCH 663/742] cyclades: tiocm cleanup
- save one indent level by inverting !fw_loaded condition
- read rs_status on Z and write it after we change all the flags,
don't do that separately
- remove Y inverted rts/dtr branching, precompute registers and use
them
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 153 +++++++++++++++++-----------------------
1 file changed, 66 insertions(+), 87 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index e1637ad9390e..ed66c3ab230d 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -831,6 +831,7 @@ static void cyy_change_rts_dtr(struct cyclades_port *info, unsigned int set,
struct cyclades_card *card = info->card;
void __iomem *base_addr;
int chip, channel, index;
+ u32 rts, dtr, msvrr, msvrd;
channel = info->line - card->first_line;
chip = channel >> 2;
@@ -838,29 +839,28 @@ static void cyy_change_rts_dtr(struct cyclades_port *info, unsigned int set,
index = card->bus_index;
base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+ if (info->rtsdtr_inv) {
+ msvrr = CyMSVR2;
+ msvrd = CyMSVR1;
+ rts = CyDTR;
+ dtr = CyRTS;
+ } else {
+ msvrr = CyMSVR1;
+ msvrd = CyMSVR2;
+ rts = CyRTS;
+ dtr = CyDTR;
+ }
if (set & TIOCM_RTS) {
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR2 << index), CyDTR);
- } else {
- cy_writeb(base_addr + (CyMSVR1 << index), CyRTS);
- }
+ cy_writeb(base_addr + (CyCAR << index), (u8)channel);
+ cy_writeb(base_addr + (msvrr << index), rts);
}
if (clear & TIOCM_RTS) {
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR2 << index), ~CyDTR);
- } else {
- cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS);
- }
+ cy_writeb(base_addr + (CyCAR << index), (u8)channel);
+ cy_writeb(base_addr + (msvrr << index), ~rts);
}
if (set & TIOCM_DTR) {
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR1 << index), CyRTS);
- } else {
- cy_writeb(base_addr + (CyMSVR2 << index), CyDTR);
- }
+ cy_writeb(base_addr + (CyCAR << index), (u8)channel);
+ cy_writeb(base_addr + (msvrd << index), dtr);
#ifdef CY_DEBUG_DTR
printk(KERN_DEBUG "cyc:set_modem_info raising DTR\n");
printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
@@ -869,13 +869,8 @@ static void cyy_change_rts_dtr(struct cyclades_port *info, unsigned int set,
#endif
}
if (clear & TIOCM_DTR) {
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
- if (info->rtsdtr_inv) {
- cy_writeb(base_addr + (CyMSVR1 << index), ~CyRTS);
- } else {
- cy_writeb(base_addr + (CyMSVR2 << index), ~CyDTR);
- }
-
+ cy_writeb(base_addr + (CyCAR << index), (u8)channel);
+ cy_writeb(base_addr + (msvrd << index), ~dtr);
#ifdef CY_DEBUG_DTR
printk(KERN_DEBUG "cyc:set_modem_info dropping DTR\n");
printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
@@ -2518,28 +2513,27 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file)
{
struct cyclades_port *info = tty->driver_data;
struct cyclades_card *card;
- int chip, channel, index;
void __iomem *base_addr;
- unsigned long flags;
- unsigned char status;
- unsigned long lstatus;
- unsigned int result;
+ int result, channel;
if (serial_paranoia_check(info, tty->name, __func__))
return -ENODEV;
- lock_kernel();
-
card = info->card;
channel = info->line - card->first_line;
+
+ lock_kernel();
if (!cy_is_Z(card)) {
- chip = channel >> 2;
+ unsigned long flags;
+ unsigned char status;
+ int chip = channel >> 2;
+ int index = card->bus_index;
+
channel &= 0x03;
- index = card->bus_index;
base_addr = card->base_addr + (cy_chip_offset[chip] << index);
spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ cy_writeb(base_addr + (CyCAR << index), (u8)channel);
status = readb(base_addr + (CyMSVR1 << index));
status |= readb(base_addr + (CyMSVR2 << index));
spin_unlock_irqrestore(&card->card_lock, flags);
@@ -2556,21 +2550,22 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file)
((status & CyDSR) ? TIOCM_DSR : 0) |
((status & CyCTS) ? TIOCM_CTS : 0);
} else {
- if (cyz_is_loaded(card)) {
- lstatus = readl(&info->u.cyz.ch_ctrl->rs_status);
- result = ((lstatus & C_RS_RTS) ? TIOCM_RTS : 0) |
- ((lstatus & C_RS_DTR) ? TIOCM_DTR : 0) |
- ((lstatus & C_RS_DCD) ? TIOCM_CAR : 0) |
- ((lstatus & C_RS_RI) ? TIOCM_RNG : 0) |
- ((lstatus & C_RS_DSR) ? TIOCM_DSR : 0) |
- ((lstatus & C_RS_CTS) ? TIOCM_CTS : 0);
- } else {
- result = 0;
- unlock_kernel();
- return -ENODEV;
+ u32 lstatus;
+
+ if (!cyz_is_loaded(card)) {
+ result = -ENODEV;
+ goto end;
}
+ lstatus = readl(&info->u.cyz.ch_ctrl->rs_status);
+ result = ((lstatus & C_RS_RTS) ? TIOCM_RTS : 0) |
+ ((lstatus & C_RS_DTR) ? TIOCM_DTR : 0) |
+ ((lstatus & C_RS_DCD) ? TIOCM_CAR : 0) |
+ ((lstatus & C_RS_RI) ? TIOCM_RNG : 0) |
+ ((lstatus & C_RS_DSR) ? TIOCM_DSR : 0) |
+ ((lstatus & C_RS_CTS) ? TIOCM_CTS : 0);
}
+end:
unlock_kernel();
return result;
} /* cy_tiomget */
@@ -2582,68 +2577,52 @@ cy_tiocmset(struct tty_struct *tty, struct file *file,
struct cyclades_port *info = tty->driver_data;
struct cyclades_card *card;
unsigned long flags;
- int channel, retval;
if (serial_paranoia_check(info, tty->name, __func__))
return -ENODEV;
card = info->card;
- channel = (info->line) - (card->first_line);
if (!cy_is_Z(card)) {
spin_lock_irqsave(&card->card_lock, flags);
cyy_change_rts_dtr(info, set, clear);
spin_unlock_irqrestore(&card->card_lock, flags);
} else {
- if (cyz_is_loaded(card)) {
- struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
-
- if (set & TIOCM_RTS) {
- spin_lock_irqsave(&card->card_lock, flags);
- cy_writel(&ch_ctrl->rs_control,
- readl(&ch_ctrl->rs_control) | C_RS_RTS);
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
- if (clear & TIOCM_RTS) {
- spin_lock_irqsave(&card->card_lock, flags);
- cy_writel(&ch_ctrl->rs_control,
- readl(&ch_ctrl->rs_control) &
- ~C_RS_RTS);
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
- if (set & TIOCM_DTR) {
- spin_lock_irqsave(&card->card_lock, flags);
- cy_writel(&ch_ctrl->rs_control,
- readl(&ch_ctrl->rs_control) | C_RS_DTR);
+ struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
+ int retval, channel = info->line - card->first_line;
+ u32 rs;
+
+ if (!cyz_is_loaded(card))
+ return -ENODEV;
+
+ spin_lock_irqsave(&card->card_lock, flags);
+ rs = readl(&ch_ctrl->rs_control);
+ if (set & TIOCM_RTS)
+ rs |= C_RS_RTS;
+ if (clear & TIOCM_RTS)
+ rs &= ~C_RS_RTS;
+ if (set & TIOCM_DTR) {
+ rs |= C_RS_DTR;
#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_modem_info raising "
- "Z DTR\n");
+ printk(KERN_DEBUG "cyc:set_modem_info raising Z DTR\n");
#endif
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
- if (clear & TIOCM_DTR) {
- spin_lock_irqsave(&card->card_lock, flags);
- cy_writel(&ch_ctrl->rs_control,
- readl(&ch_ctrl->rs_control) &
- ~C_RS_DTR);
+ }
+ if (clear & TIOCM_DTR) {
+ rs &= ~C_RS_DTR;
#ifdef CY_DEBUG_DTR
- printk(KERN_DEBUG "cyc:set_modem_info clearing "
- "Z DTR\n");
+ printk(KERN_DEBUG "cyc:set_modem_info clearing "
+ "Z DTR\n");
#endif
- spin_unlock_irqrestore(&card->card_lock, flags);
- }
- } else {
- return -ENODEV;
}
- spin_lock_irqsave(&card->card_lock, flags);
+ cy_writel(&ch_ctrl->rs_control, rs);
retval = cyz_issue_cmd(card, channel, C_CM_IOCTLM, 0L);
+ spin_unlock_irqrestore(&card->card_lock, flags);
if (retval != 0) {
printk(KERN_ERR "cyc:set_modem_info retval on ttyC%d "
"was %x\n", info->line, retval);
}
- spin_unlock_irqrestore(&card->card_lock, flags);
}
return 0;
-} /* cy_tiocmset */
+}
/*
* cy_break() --- routine which turns the break handling on or off
--
GitLab
From 3aeea5b92210083c7cffd4f08a0bb141d3f2d574 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:16 -0700
Subject: [PATCH 664/742] cyclades: introduce cyy_readb/writeb
Add helpers for io operations, so that we can eliminate huge
amount of supporting code. It is now centralized in those
helpers and used values are precomputed in the init phase.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 448 ++++++++++++++-------------------------
include/linux/cyclades.h | 2 +-
2 files changed, 165 insertions(+), 285 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index ed66c3ab230d..cf2874a89c8c 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -90,7 +90,6 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-static void cy_throttle(struct tty_struct *tty);
static void cy_send_xchar(struct tty_struct *tty, char ch);
#ifndef SERIAL_XMIT_SIZE
@@ -298,6 +297,20 @@ static void cyz_rx_restart(unsigned long);
static struct timer_list cyz_rx_full_timer[NR_PORTS];
#endif /* CONFIG_CYZ_INTR */
+static inline void cyy_writeb(struct cyclades_port *port, u32 reg, u8 val)
+{
+ struct cyclades_card *card = port->card;
+
+ cy_writeb(port->u.cyy.base_addr + (reg << card->bus_index), val);
+}
+
+static inline u8 cyy_readb(struct cyclades_port *port, u32 reg)
+{
+ struct cyclades_card *card = port->card;
+
+ return readb(port->u.cyy.base_addr + (reg << card->bus_index));
+}
+
static inline bool cy_is_Z(struct cyclades_card *card)
{
return card->num_chips == (unsigned int)-1;
@@ -350,13 +363,14 @@ static inline int serial_paranoia_check(struct cyclades_port *info,
This function is only called from inside spinlock-protected code.
*/
-static int cyy_issue_cmd(void __iomem *base_addr, u_char cmd, int index)
+static int __cyy_issue_cmd(void __iomem *base_addr, u8 cmd, int index)
{
+ void __iomem *ccr = base_addr + (CyCCR << index);
unsigned int i;
/* Check to see that the previous command has completed */
for (i = 0; i < 100; i++) {
- if (readb(base_addr + (CyCCR << index)) == 0)
+ if (readb(ccr) == 0)
break;
udelay(10L);
}
@@ -366,10 +380,16 @@ static int cyy_issue_cmd(void __iomem *base_addr, u_char cmd, int index)
return -1;
/* Issue the new command */
- cy_writeb(base_addr + (CyCCR << index), cmd);
+ cy_writeb(ccr, cmd);
return 0;
-} /* cyy_issue_cmd */
+}
+
+static inline int cyy_issue_cmd(struct cyclades_port *port, u8 cmd)
+{
+ return __cyy_issue_cmd(port->u.cyy.base_addr, cmd,
+ port->card->bus_index);
+}
#ifdef CONFIG_ISA
/* ISA interrupt detection code */
@@ -394,7 +414,7 @@ static unsigned detect_isa_irq(void __iomem *address)
/* Enable the Tx interrupts on the CD1400 */
local_irq_save(flags);
cy_writeb(address + (CyCAR << index), 0);
- cyy_issue_cmd(address, CyCHAN_CTL | CyENB_XMTR, index);
+ __cyy_issue_cmd(address, CyCHAN_CTL | CyENB_XMTR, index);
cy_writeb(address + (CyCAR << index), 0);
cy_writeb(address + (CySRER << index),
@@ -428,7 +448,7 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
struct cyclades_port *info;
struct tty_struct *tty;
int len, index = cinfo->bus_index;
- u8 save_xir, channel, save_car, data, char_count;
+ u8 ivr, save_xir, channel, save_car, data, char_count;
#ifdef CY_DEBUG_INTERRUPTS
printk(KERN_DEBUG "cyy_interrupt: rcvd intr, chip %d\n", chip);
@@ -437,26 +457,25 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
save_xir = readb(base_addr + (CyRIR << index));
channel = save_xir & CyIRChannel;
info = &cinfo->ports[channel + chip * 4];
- save_car = readb(base_addr + (CyCAR << index));
- cy_writeb(base_addr + (CyCAR << index), save_xir);
+ save_car = cyy_readb(info, CyCAR);
+ cyy_writeb(info, CyCAR, save_xir);
+ ivr = cyy_readb(info, CyRIVR) & CyIVRMask;
tty = tty_port_tty_get(&info->port);
/* if there is nowhere to put the data, discard it */
if (tty == NULL) {
- if ((readb(base_addr + (CyRIVR << index)) & CyIVRMask) ==
- CyIVRRxEx) { /* exception */
- data = readb(base_addr + (CyRDSR << index));
+ if (ivr == CyIVRRxEx) { /* exception */
+ data = cyy_readb(info, CyRDSR);
} else { /* normal character reception */
- char_count = readb(base_addr + (CyRDCR << index));
+ char_count = cyy_readb(info, CyRDCR);
while (char_count--)
- data = readb(base_addr + (CyRDSR << index));
+ data = cyy_readb(info, CyRDSR);
}
goto end;
}
/* there is an open port for this data */
- if ((readb(base_addr + (CyRIVR << index)) & CyIVRMask) ==
- CyIVRRxEx) { /* exception */
- data = readb(base_addr + (CyRDSR << index));
+ if (ivr == CyIVRRxEx) { /* exception */
+ data = cyy_readb(info, CyRDSR);
/* For statistics only */
if (data & CyBREAK)
@@ -477,22 +496,22 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
if (data & info->read_status_mask) {
if (data & CyBREAK) {
tty_insert_flip_char(tty,
- readb(base_addr + (CyRDSR <<
- index)), TTY_BREAK);
+ cyy_readb(info, CyRDSR),
+ TTY_BREAK);
info->icount.rx++;
if (info->port.flags & ASYNC_SAK)
do_SAK(tty);
} else if (data & CyFRAME) {
tty_insert_flip_char(tty,
- readb(base_addr + (CyRDSR <<
- index)), TTY_FRAME);
+ cyy_readb(info, CyRDSR),
+ TTY_FRAME);
info->icount.rx++;
info->idle_stats.frame_errs++;
} else if (data & CyPARITY) {
/* Pieces of seven... */
tty_insert_flip_char(tty,
- readb(base_addr + (CyRDSR <<
- index)), TTY_PARITY);
+ cyy_readb(info, CyRDSR),
+ TTY_PARITY);
info->icount.rx++;
info->idle_stats.parity_errs++;
} else if (data & CyOVERRUN) {
@@ -504,8 +523,8 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
the next incoming character.
*/
tty_insert_flip_char(tty,
- readb(base_addr + (CyRDSR <<
- index)), TTY_FRAME);
+ cyy_readb(info, CyRDSR),
+ TTY_FRAME);
info->icount.rx++;
info->idle_stats.overruns++;
/* These two conditions may imply */
@@ -529,7 +548,7 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
}
} else { /* normal character reception */
/* load # chars available from the chip */
- char_count = readb(base_addr + (CyRDCR << index));
+ char_count = cyy_readb(info, CyRDCR);
#ifdef CY_ENABLE_MONITORING
++info->mon.int_count;
@@ -540,7 +559,7 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
#endif
len = tty_buffer_request_room(tty, char_count);
while (len--) {
- data = readb(base_addr + (CyRDSR << index));
+ data = cyy_readb(info, CyRDSR);
tty_insert_flip_char(tty, data, TTY_NORMAL);
info->idle_stats.recv_bytes++;
info->icount.rx++;
@@ -554,8 +573,8 @@ static void cyy_chip_rx(struct cyclades_card *cinfo, int chip,
tty_kref_put(tty);
end:
/* end of service */
- cy_writeb(base_addr + (CyRIR << index), save_xir & 0x3f);
- cy_writeb(base_addr + (CyCAR << index), save_car);
+ cyy_writeb(info, CyRIR, save_xir & 0x3f);
+ cyy_writeb(info, CyCAR, save_car);
}
static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
@@ -588,8 +607,7 @@ static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
info = &cinfo->ports[channel + chip * 4];
tty = tty_port_tty_get(&info->port);
if (tty == NULL) {
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) & ~CyTxRdy);
+ cyy_writeb(info, CySRER, cyy_readb(info, CySRER) & ~CyTxRdy);
goto end;
}
@@ -598,7 +616,7 @@ static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
if (info->x_char) { /* send special char */
outch = info->x_char;
- cy_writeb(base_addr + (CyTDR << index), outch);
+ cyy_writeb(info, CyTDR, outch);
char_count--;
info->icount.tx++;
info->x_char = 0;
@@ -606,14 +624,14 @@ static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
if (info->breakon || info->breakoff) {
if (info->breakon) {
- cy_writeb(base_addr + (CyTDR << index), 0);
- cy_writeb(base_addr + (CyTDR << index), 0x81);
+ cyy_writeb(info, CyTDR, 0);
+ cyy_writeb(info, CyTDR, 0x81);
info->breakon = 0;
char_count -= 2;
}
if (info->breakoff) {
- cy_writeb(base_addr + (CyTDR << index), 0);
- cy_writeb(base_addr + (CyTDR << index), 0x83);
+ cyy_writeb(info, CyTDR, 0);
+ cyy_writeb(info, CyTDR, 0x83);
info->breakoff = 0;
char_count -= 2;
}
@@ -621,27 +639,23 @@ static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
while (char_count-- > 0) {
if (!info->xmit_cnt) {
- if (readb(base_addr + (CySRER << index)) & CyTxMpty) {
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) &
- ~CyTxMpty);
+ if (cyy_readb(info, CySRER) & CyTxMpty) {
+ cyy_writeb(info, CySRER,
+ cyy_readb(info, CySRER) & ~CyTxMpty);
} else {
- cy_writeb(base_addr + (CySRER << index),
- (readb(base_addr + (CySRER << index)) &
- ~CyTxRdy) | CyTxMpty);
+ cyy_writeb(info, CySRER, CyTxMpty |
+ (cyy_readb(info, CySRER) & ~CyTxRdy));
}
goto done;
}
if (info->port.xmit_buf == NULL) {
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) &
- ~CyTxRdy);
+ cyy_writeb(info, CySRER,
+ cyy_readb(info, CySRER) & ~CyTxRdy);
goto done;
}
if (tty->stopped || tty->hw_stopped) {
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) &
- ~CyTxRdy);
+ cyy_writeb(info, CySRER,
+ cyy_readb(info, CySRER) & ~CyTxRdy);
goto done;
}
/* Because the Embedded Transmit Commands have been enabled,
@@ -658,15 +672,15 @@ static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
info->xmit_cnt--;
info->xmit_tail = (info->xmit_tail + 1) &
(SERIAL_XMIT_SIZE - 1);
- cy_writeb(base_addr + (CyTDR << index), outch);
+ cyy_writeb(info, CyTDR, outch);
info->icount.tx++;
} else {
if (char_count > 1) {
info->xmit_cnt--;
info->xmit_tail = (info->xmit_tail + 1) &
(SERIAL_XMIT_SIZE - 1);
- cy_writeb(base_addr + (CyTDR << index), outch);
- cy_writeb(base_addr + (CyTDR << index), 0);
+ cyy_writeb(info, CyTDR, outch);
+ cyy_writeb(info, CyTDR, 0);
info->icount.tx++;
char_count--;
}
@@ -678,8 +692,8 @@ done:
tty_kref_put(tty);
end:
/* end of service */
- cy_writeb(base_addr + (CyTIR << index), save_xir & 0x3f);
- cy_writeb(base_addr + (CyCAR << index), save_car);
+ cyy_writeb(info, CyTIR, save_xir & 0x3f);
+ cyy_writeb(info, CyCAR, save_car);
}
static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
@@ -694,11 +708,11 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
save_xir = readb(base_addr + (CyMIR << index));
channel = save_xir & CyIRChannel;
info = &cinfo->ports[channel + chip * 4];
- save_car = readb(base_addr + (CyCAR << index));
- cy_writeb(base_addr + (CyCAR << index), save_xir);
+ save_car = cyy_readb(info, CyCAR);
+ cyy_writeb(info, CyCAR, save_xir);
- mdm_change = readb(base_addr + (CyMISR << index));
- mdm_status = readb(base_addr + (CyMSVR1 << index));
+ mdm_change = cyy_readb(info, CyMISR);
+ mdm_status = cyy_readb(info, CyMSVR1);
tty = tty_port_tty_get(&info->port);
if (!tty)
@@ -730,9 +744,8 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
/* cy_start isn't used
because... !!! */
tty->hw_stopped = 0;
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) |
- CyTxRdy);
+ cyy_writeb(info, CySRER,
+ cyy_readb(info, CySRER) | CyTxRdy);
tty_wakeup(tty);
}
} else {
@@ -740,9 +753,8 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
/* cy_stop isn't used
because ... !!! */
tty->hw_stopped = 1;
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) &
- ~CyTxRdy);
+ cyy_writeb(info, CySRER,
+ cyy_readb(info, CySRER) & ~CyTxRdy);
}
}
}
@@ -753,8 +765,8 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
tty_kref_put(tty);
end:
/* end of service */
- cy_writeb(base_addr + (CyMIR << index), save_xir & 0x3f);
- cy_writeb(base_addr + (CyCAR << index), save_car);
+ cyy_writeb(info, CyMIR, save_xir & 0x3f);
+ cyy_writeb(info, CyCAR, save_car);
}
/* The real interrupt service routine is called
@@ -829,15 +841,10 @@ static void cyy_change_rts_dtr(struct cyclades_port *info, unsigned int set,
unsigned int clear)
{
struct cyclades_card *card = info->card;
- void __iomem *base_addr;
- int chip, channel, index;
+ int channel = info->line - card->first_line;
u32 rts, dtr, msvrr, msvrd;
- channel = info->line - card->first_line;
- chip = channel >> 2;
channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
if (info->rtsdtr_inv) {
msvrr = CyMSVR2;
@@ -851,31 +858,31 @@ static void cyy_change_rts_dtr(struct cyclades_port *info, unsigned int set,
dtr = CyDTR;
}
if (set & TIOCM_RTS) {
- cy_writeb(base_addr + (CyCAR << index), (u8)channel);
- cy_writeb(base_addr + (msvrr << index), rts);
+ cyy_writeb(info, CyCAR, channel);
+ cyy_writeb(info, msvrr, rts);
}
if (clear & TIOCM_RTS) {
- cy_writeb(base_addr + (CyCAR << index), (u8)channel);
- cy_writeb(base_addr + (msvrr << index), ~rts);
+ cyy_writeb(info, CyCAR, channel);
+ cyy_writeb(info, msvrr, ~rts);
}
if (set & TIOCM_DTR) {
- cy_writeb(base_addr + (CyCAR << index), (u8)channel);
- cy_writeb(base_addr + (msvrd << index), dtr);
+ cyy_writeb(info, CyCAR, channel);
+ cyy_writeb(info, msvrd, dtr);
#ifdef CY_DEBUG_DTR
printk(KERN_DEBUG "cyc:set_modem_info raising DTR\n");
printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- readb(base_addr + (CyMSVR1 << index)),
- readb(base_addr + (CyMSVR2 << index)));
+ cyy_readb(info, CyMSVR1),
+ cyy_readb(info, CyMSVR2));
#endif
}
if (clear & TIOCM_DTR) {
- cy_writeb(base_addr + (CyCAR << index), (u8)channel);
- cy_writeb(base_addr + (msvrd << index), ~dtr);
+ cyy_writeb(info, CyCAR, channel);
+ cyy_writeb(info, msvrd, ~dtr);
#ifdef CY_DEBUG_DTR
printk(KERN_DEBUG "cyc:set_modem_info dropping DTR\n");
printk(KERN_DEBUG " status: 0x%x, 0x%x\n",
- readb(base_addr + (CyMSVR1 << index)),
- readb(base_addr + (CyMSVR2 << index)));
+ cyy_readb(info, CyMSVR1),
+ cyy_readb(info, CyMSVR2));
#endif
}
}
@@ -1290,7 +1297,6 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
struct cyclades_card *card;
unsigned long flags;
int retval = 0;
- void __iomem *base_addr;
int channel;
unsigned long page;
@@ -1321,31 +1327,21 @@ static int cy_startup(struct cyclades_port *info, struct tty_struct *tty)
cy_set_line_char(info, tty);
if (!cy_is_Z(card)) {
- int chip = channel >> 2;
- int index = card->bus_index;
channel &= 0x03;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc startup card %d, chip %d, channel %d, "
- "base_addr %p\n",
- card, chip, channel, base_addr);
-#endif
spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ cyy_writeb(info, CyCAR, channel);
- cy_writeb(base_addr + (CyRTPR << index),
+ cyy_writeb(info, CyRTPR,
(info->default_timeout ? info->default_timeout : 0x02));
/* 10ms rx timeout */
- cyy_issue_cmd(base_addr, CyCHAN_CTL | CyENB_RCVR | CyENB_XMTR,
- index);
+ cyy_issue_cmd(info, CyCHAN_CTL | CyENB_RCVR | CyENB_XMTR);
cyy_change_rts_dtr(info, TIOCM_RTS | TIOCM_DTR, 0);
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) | CyRxData);
+ cyy_writeb(info, CySRER, cyy_readb(info, CySRER) | CyRxData);
} else {
struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
@@ -1423,23 +1419,14 @@ errout:
static void start_xmit(struct cyclades_port *info)
{
- struct cyclades_card *card;
+ struct cyclades_card *card = info->card;
unsigned long flags;
- void __iomem *base_addr;
- int chip, channel, index;
+ int channel = info->line - card->first_line;
- card = info->card;
- channel = info->line - card->first_line;
if (!cy_is_Z(card)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
-
spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index), channel);
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) | CyTxRdy);
+ cyy_writeb(info, CyCAR, channel & 0x03);
+ cyy_writeb(info, CySRER, cyy_readb(info, CySRER) | CyTxRdy);
spin_unlock_irqrestore(&card->card_lock, flags);
} else {
#ifdef CONFIG_CYZ_INTR
@@ -1466,8 +1453,7 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
{
struct cyclades_card *card;
unsigned long flags;
- void __iomem *base_addr;
- int chip, channel, index;
+ int channel;
if (!(info->port.flags & ASYNC_INITIALIZED))
return;
@@ -1475,17 +1461,6 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
card = info->card;
channel = info->line - card->first_line;
if (!cy_is_Z(card)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
-
-#ifdef CY_DEBUG_OPEN
- printk(KERN_DEBUG "cyc shutdown Y card %d, chip %d, "
- "channel %d, base_addr %p\n",
- card, chip, channel, base_addr);
-#endif
-
spin_lock_irqsave(&card->card_lock, flags);
/* Clear delta_msr_wait queue to avoid mem leaks. */
@@ -1500,7 +1475,7 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
if (tty->termios->c_cflag & HUPCL)
cyy_change_rts_dtr(info, 0, TIOCM_RTS | TIOCM_DTR);
- cyy_issue_cmd(base_addr, CyCHAN_CTL | CyDIS_RCVR, index);
+ cyy_issue_cmd(info, CyCHAN_CTL | CyDIS_RCVR);
/* it may be appropriate to clear _XMIT at
some later date (after testing)!!! */
@@ -1677,8 +1652,6 @@ static void cy_wait_until_sent(struct tty_struct *tty, int timeout)
{
struct cyclades_card *card;
struct cyclades_port *info = tty->driver_data;
- void __iomem *base_addr;
- int chip, channel, index;
unsigned long orig_jiffies;
int char_time;
@@ -1722,13 +1695,8 @@ static void cy_wait_until_sent(struct tty_struct *tty, int timeout)
timeout, char_time, jiffies);
#endif
card = info->card;
- channel = (info->line) - (card->first_line);
if (!cy_is_Z(card)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
- while (readb(base_addr + (CySRER << index)) & CyTxRdy) {
+ while (cyy_readb(info, CySRER) & CyTxRdy) {
#ifdef CY_DEBUG_WAIT_UNTIL_SENT
printk(KERN_DEBUG "Not clean (jiff=%lu)...", jiffies);
#endif
@@ -1790,6 +1758,7 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
struct cyclades_port *info = tty->driver_data;
struct cyclades_card *card;
unsigned long flags;
+ int channel;
if (!info || serial_paranoia_check(info, tty->name, "cy_close"))
return;
@@ -1799,18 +1768,13 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
if (!tty_port_close_start(&info->port, tty, filp))
return;
+ channel = info->line - card->first_line;
spin_lock_irqsave(&card->card_lock, flags);
if (!cy_is_Z(card)) {
- int channel = info->line - card->first_line;
- int index = card->bus_index;
- void __iomem *base_addr = card->base_addr +
- (cy_chip_offset[channel >> 2] << index);
/* Stop accepting input */
- channel &= 0x03;
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) & ~CyRxData);
+ cyy_writeb(info, CyCAR, channel & 0x03);
+ cyy_writeb(info, CySRER, cyy_readb(info, CySRER) & ~CyRxData);
if (info->port.flags & ASYNC_INITIALIZED) {
/* Waiting for on-board buffers to be empty before
closing the port */
@@ -1823,7 +1787,6 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
/* Waiting for on-board buffers to be empty before closing
the port */
struct CH_CTRL __iomem *ch_ctrl = info->u.cyz.ch_ctrl;
- int channel = info->line - card->first_line;
int retval;
if (readl(&ch_ctrl->flow_status) != C_FS_TXIDLE) {
@@ -2064,8 +2027,7 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
{
struct cyclades_card *card;
unsigned long flags;
- void __iomem *base_addr;
- int chip, channel, index;
+ int channel;
unsigned cflag, iflag;
int baud, baud_rate = 0;
int i;
@@ -2095,9 +2057,6 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
channel = info->line - card->first_line;
if (!cy_is_Z(card)) {
-
- index = card->bus_index;
-
/* baud rate */
baud = tty_get_baud_rate(tty);
if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
@@ -2208,70 +2167,67 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
cable. Contact Marcio Saito for details.
***********************************************/
- chip = channel >> 2;
channel &= 0x03;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
+ cyy_writeb(info, CyCAR, channel);
/* tx and rx baud rate */
- cy_writeb(base_addr + (CyTCOR << index), info->tco);
- cy_writeb(base_addr + (CyTBPR << index), info->tbpr);
- cy_writeb(base_addr + (CyRCOR << index), info->rco);
- cy_writeb(base_addr + (CyRBPR << index), info->rbpr);
+ cyy_writeb(info, CyTCOR, info->tco);
+ cyy_writeb(info, CyTBPR, info->tbpr);
+ cyy_writeb(info, CyRCOR, info->rco);
+ cyy_writeb(info, CyRBPR, info->rbpr);
/* set line characteristics according configuration */
- cy_writeb(base_addr + (CySCHR1 << index), START_CHAR(tty));
- cy_writeb(base_addr + (CySCHR2 << index), STOP_CHAR(tty));
- cy_writeb(base_addr + (CyCOR1 << index), info->cor1);
- cy_writeb(base_addr + (CyCOR2 << index), info->cor2);
- cy_writeb(base_addr + (CyCOR3 << index), info->cor3);
- cy_writeb(base_addr + (CyCOR4 << index), info->cor4);
- cy_writeb(base_addr + (CyCOR5 << index), info->cor5);
+ cyy_writeb(info, CySCHR1, START_CHAR(tty));
+ cyy_writeb(info, CySCHR2, STOP_CHAR(tty));
+ cyy_writeb(info, CyCOR1, info->cor1);
+ cyy_writeb(info, CyCOR2, info->cor2);
+ cyy_writeb(info, CyCOR3, info->cor3);
+ cyy_writeb(info, CyCOR4, info->cor4);
+ cyy_writeb(info, CyCOR5, info->cor5);
- cyy_issue_cmd(base_addr, CyCOR_CHANGE | CyCOR1ch | CyCOR2ch |
- CyCOR3ch, index);
+ cyy_issue_cmd(info, CyCOR_CHANGE | CyCOR1ch | CyCOR2ch |
+ CyCOR3ch);
/* !!! Is this needed? */
- cy_writeb(base_addr + (CyCAR << index), (u_char) channel);
- cy_writeb(base_addr + (CyRTPR << index),
+ cyy_writeb(info, CyCAR, channel);
+ cyy_writeb(info, CyRTPR,
(info->default_timeout ? info->default_timeout : 0x02));
/* 10ms rx timeout */
if (C_CLOCAL(tty)) {
/* without modem intr */
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) | CyMdmCh);
+ cyy_writeb(info, CySRER,
+ cyy_readb(info, CySRER) | CyMdmCh);
/* act on 1->0 modem transitions */
if ((cflag & CRTSCTS) && info->rflow) {
- cy_writeb(base_addr + (CyMCOR1 << index),
+ cyy_writeb(info, CyMCOR1,
(CyCTS | rflow_thr[i]));
} else {
- cy_writeb(base_addr + (CyMCOR1 << index),
+ cyy_writeb(info, CyMCOR1,
CyCTS);
}
/* act on 0->1 modem transitions */
- cy_writeb(base_addr + (CyMCOR2 << index), CyCTS);
+ cyy_writeb(info, CyMCOR2, CyCTS);
} else {
/* without modem intr */
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr +
- (CySRER << index)) | CyMdmCh);
+ cyy_writeb(info, CySRER,
+ cyy_readb(info, CySRER) | CyMdmCh);
/* act on 1->0 modem transitions */
if ((cflag & CRTSCTS) && info->rflow) {
- cy_writeb(base_addr + (CyMCOR1 << index),
+ cyy_writeb(info, CyMCOR1,
(CyDSR | CyCTS | CyRI | CyDCD |
rflow_thr[i]));
} else {
- cy_writeb(base_addr + (CyMCOR1 << index),
- CyDSR | CyCTS | CyRI | CyDCD);
+ cyy_writeb(info, CyMCOR1,
+ CyDSR | CyCTS | CyRI | CyDCD);
}
/* act on 0->1 modem transitions */
- cy_writeb(base_addr + (CyMCOR2 << index),
- CyDSR | CyCTS | CyRI | CyDCD);
+ cyy_writeb(info, CyMCOR2,
+ CyDSR | CyCTS | CyRI | CyDCD);
}
if (i == 0) /* baud rate is zero, turn off line */
@@ -2482,24 +2438,14 @@ check_and_exit:
*/
static int get_lsr_info(struct cyclades_port *info, unsigned int __user *value)
{
- struct cyclades_card *card;
- int chip, channel, index;
- unsigned char status;
+ struct cyclades_card *card = info->card;
unsigned int result;
unsigned long flags;
- void __iomem *base_addr;
+ u8 status;
- card = info->card;
- channel = (info->line) - (card->first_line);
if (!cy_is_Z(card)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
-
spin_lock_irqsave(&card->card_lock, flags);
- status = readb(base_addr + (CySRER << index)) &
- (CyTxRdy | CyTxMpty);
+ status = cyy_readb(info, CySRER) & (CyTxRdy | CyTxMpty);
spin_unlock_irqrestore(&card->card_lock, flags);
result = (status ? 0 : TIOCSER_TEMT);
} else {
@@ -2513,29 +2459,23 @@ static int cy_tiocmget(struct tty_struct *tty, struct file *file)
{
struct cyclades_port *info = tty->driver_data;
struct cyclades_card *card;
- void __iomem *base_addr;
- int result, channel;
+ int result;
if (serial_paranoia_check(info, tty->name, __func__))
return -ENODEV;
card = info->card;
- channel = info->line - card->first_line;
lock_kernel();
if (!cy_is_Z(card)) {
unsigned long flags;
- unsigned char status;
- int chip = channel >> 2;
- int index = card->bus_index;
-
- channel &= 0x03;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
+ int channel = info->line - card->first_line;
+ u8 status;
spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index), (u8)channel);
- status = readb(base_addr + (CyMSVR1 << index));
- status |= readb(base_addr + (CyMSVR2 << index));
+ cyy_writeb(info, CyCAR, channel & 0x03);
+ status = cyy_readb(info, CyMSVR1);
+ status |= cyy_readb(info, CyMSVR2);
spin_unlock_irqrestore(&card->card_lock, flags);
if (info->rtsdtr_inv) {
@@ -2689,26 +2629,16 @@ static int cy_break(struct tty_struct *tty, int break_state)
static int set_threshold(struct cyclades_port *info, unsigned long value)
{
- struct cyclades_card *card;
- void __iomem *base_addr;
- int channel, chip, index;
+ struct cyclades_card *card = info->card;
unsigned long flags;
- card = info->card;
- channel = info->line - card->first_line;
if (!cy_is_Z(card)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr =
- card->base_addr + (cy_chip_offset[chip] << index);
-
info->cor3 &= ~CyREC_FIFO;
info->cor3 |= value & CyREC_FIFO;
spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyCOR3 << index), info->cor3);
- cyy_issue_cmd(base_addr, CyCOR_CHANGE | CyCOR3ch, index);
+ cyy_writeb(info, CyCOR3, info->cor3);
+ cyy_issue_cmd(info, CyCOR_CHANGE | CyCOR3ch);
spin_unlock_irqrestore(&card->card_lock, flags);
}
return 0;
@@ -2717,20 +2647,10 @@ static int set_threshold(struct cyclades_port *info, unsigned long value)
static int get_threshold(struct cyclades_port *info,
unsigned long __user *value)
{
- struct cyclades_card *card;
- void __iomem *base_addr;
- int channel, chip, index;
- unsigned long tmp;
+ struct cyclades_card *card = info->card;
- card = info->card;
- channel = info->line - card->first_line;
if (!cy_is_Z(card)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
-
- tmp = readb(base_addr + (CyCOR3 << index)) & CyREC_FIFO;
+ u8 tmp = cyy_readb(info, CyCOR3) & CyREC_FIFO;
return put_user(tmp, value);
}
return 0;
@@ -2738,21 +2658,12 @@ static int get_threshold(struct cyclades_port *info,
static int set_timeout(struct cyclades_port *info, unsigned long value)
{
- struct cyclades_card *card;
- void __iomem *base_addr;
- int channel, chip, index;
+ struct cyclades_card *card = info->card;
unsigned long flags;
- card = info->card;
- channel = info->line - card->first_line;
if (!cy_is_Z(card)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
-
spin_lock_irqsave(&card->card_lock, flags);
- cy_writeb(base_addr + (CyRTPR << index), value & 0xff);
+ cyy_writeb(info, CyRTPR, value & 0xff);
spin_unlock_irqrestore(&card->card_lock, flags);
}
return 0;
@@ -2761,20 +2672,10 @@ static int set_timeout(struct cyclades_port *info, unsigned long value)
static int get_timeout(struct cyclades_port *info,
unsigned long __user *value)
{
- struct cyclades_card *card;
- void __iomem *base_addr;
- int channel, chip, index;
- unsigned long tmp;
+ struct cyclades_card *card = info->card;
- card = info->card;
- channel = info->line - card->first_line;
if (!cy_is_Z(card)) {
- chip = channel >> 2;
- channel &= 0x03;
- index = card->bus_index;
- base_addr = card->base_addr + (cy_chip_offset[chip] << index);
-
- tmp = readb(base_addr + (CyRTPR << index));
+ u8 tmp = cyy_readb(info, CyRTPR);
return put_user(tmp, value);
}
return 0;
@@ -3101,8 +3002,7 @@ static void cy_stop(struct tty_struct *tty)
{
struct cyclades_card *cinfo;
struct cyclades_port *info = tty->driver_data;
- void __iomem *base_addr;
- int chip, channel, index;
+ int channel;
unsigned long flags;
#ifdef CY_DEBUG_OTHER
@@ -3115,16 +3015,9 @@ static void cy_stop(struct tty_struct *tty)
cinfo = info->card;
channel = info->line - cinfo->first_line;
if (!cy_is_Z(cinfo)) {
- index = cinfo->bus_index;
- chip = channel >> 2;
- channel &= 0x03;
- base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index);
-
spin_lock_irqsave(&cinfo->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index),
- (u_char)(channel & 0x0003)); /* index channel */
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) & ~CyTxRdy);
+ cyy_writeb(info, CyCAR, channel & 0x03);
+ cyy_writeb(info, CySRER, cyy_readb(info, CySRER) & ~CyTxRdy);
spin_unlock_irqrestore(&cinfo->card_lock, flags);
}
} /* cy_stop */
@@ -3133,8 +3026,7 @@ static void cy_start(struct tty_struct *tty)
{
struct cyclades_card *cinfo;
struct cyclades_port *info = tty->driver_data;
- void __iomem *base_addr;
- int chip, channel, index;
+ int channel;
unsigned long flags;
#ifdef CY_DEBUG_OTHER
@@ -3146,17 +3038,10 @@ static void cy_start(struct tty_struct *tty)
cinfo = info->card;
channel = info->line - cinfo->first_line;
- index = cinfo->bus_index;
if (!cy_is_Z(cinfo)) {
- chip = channel >> 2;
- channel &= 0x03;
- base_addr = cinfo->base_addr + (cy_chip_offset[chip] << index);
-
spin_lock_irqsave(&cinfo->card_lock, flags);
- cy_writeb(base_addr + (CyCAR << index),
- (u_char) (channel & 0x0003)); /* index channel */
- cy_writeb(base_addr + (CySRER << index),
- readb(base_addr + (CySRER << index)) | CyTxRdy);
+ cyy_writeb(info, CyCAR, channel & 0x03);
+ cyy_writeb(info, CySRER, cyy_readb(info, CySRER) | CyTxRdy);
spin_unlock_irqrestore(&cinfo->card_lock, flags);
}
} /* cy_start */
@@ -3185,18 +3070,13 @@ static int cyy_carrier_raised(struct tty_port *port)
struct cyclades_port *info = container_of(port, struct cyclades_port,
port);
struct cyclades_card *cinfo = info->card;
- void __iomem *base = cinfo->base_addr;
unsigned long flags;
int channel = info->line - cinfo->first_line;
- int chip = channel >> 2, index = cinfo->bus_index;
u32 cd;
- channel &= 0x03;
- base += cy_chip_offset[chip] << index;
-
spin_lock_irqsave(&cinfo->card_lock, flags);
- cy_writeb(base + (CyCAR << index), (u8)channel);
- cd = readb(base + (CyMSVR1 << index)) & CyDCD;
+ cyy_writeb(info, CyCAR, channel & 0x03);
+ cd = cyy_readb(info, CyMSVR1) & CyDCD;
spin_unlock_irqrestore(&cinfo->card_lock, flags);
return cd;
@@ -3326,9 +3206,9 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
info->cor3 = 0x08; /* _very_ small rcv threshold */
chip_number = channel / CyPORTS_PER_CHIP;
- info->chip_rev = readb(cinfo->base_addr +
- (cy_chip_offset[chip_number] << index) +
- (CyGFRCR << index));
+ info->u.cyy.base_addr = cinfo->base_addr +
+ (cy_chip_offset[chip_number] << index);
+ info->chip_rev = cyy_readb(info, CyGFRCR);
if (info->chip_rev >= CD1400_REV_J) {
/* It is a CD1400 rev. J or later */
diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h
index 1eb87a6a2f6b..bbebef7713b3 100644
--- a/include/linux/cyclades.h
+++ b/include/linux/cyclades.h
@@ -544,7 +544,7 @@ struct cyclades_port {
struct cyclades_card *card;
union {
struct {
- int filler;
+ void __iomem *base_addr;
} cyy;
struct {
struct CH_CTRL __iomem *ch_ctrl;
--
GitLab
From 46fb782522092f772c6ce2b129f201ca6e1e15a2 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 19 Sep 2009 13:13:17 -0700
Subject: [PATCH 665/742] cyclades: remove more duplicated code
Remove duplicated code from cy_set_line_char. There were 2 if
branches with same contents except flags.
Branch only for the flags computation and use them in the only copy
of the code.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 45 +++++++++++++----------------------------
1 file changed, 14 insertions(+), 31 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index cf2874a89c8c..f518e0b5b47d 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -2057,6 +2057,8 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
channel = info->line - card->first_line;
if (!cy_is_Z(card)) {
+ u32 cflags;
+
/* baud rate */
baud = tty_get_baud_rate(tty);
if (baud == 38400 && (info->port.flags & ASYNC_SPD_MASK) ==
@@ -2198,37 +2200,18 @@ static void cy_set_line_char(struct cyclades_port *info, struct tty_struct *tty)
(info->default_timeout ? info->default_timeout : 0x02));
/* 10ms rx timeout */
- if (C_CLOCAL(tty)) {
- /* without modem intr */
- cyy_writeb(info, CySRER,
- cyy_readb(info, CySRER) | CyMdmCh);
- /* act on 1->0 modem transitions */
- if ((cflag & CRTSCTS) && info->rflow) {
- cyy_writeb(info, CyMCOR1,
- (CyCTS | rflow_thr[i]));
- } else {
- cyy_writeb(info, CyMCOR1,
- CyCTS);
- }
- /* act on 0->1 modem transitions */
- cyy_writeb(info, CyMCOR2, CyCTS);
- } else {
- /* without modem intr */
- cyy_writeb(info, CySRER,
- cyy_readb(info, CySRER) | CyMdmCh);
- /* act on 1->0 modem transitions */
- if ((cflag & CRTSCTS) && info->rflow) {
- cyy_writeb(info, CyMCOR1,
- (CyDSR | CyCTS | CyRI | CyDCD |
- rflow_thr[i]));
- } else {
- cyy_writeb(info, CyMCOR1,
- CyDSR | CyCTS | CyRI | CyDCD);
- }
- /* act on 0->1 modem transitions */
- cyy_writeb(info, CyMCOR2,
- CyDSR | CyCTS | CyRI | CyDCD);
- }
+ cflags = CyCTS;
+ if (!C_CLOCAL(tty))
+ cflags |= CyDSR | CyRI | CyDCD;
+ /* without modem intr */
+ cyy_writeb(info, CySRER, cyy_readb(info, CySRER) | CyMdmCh);
+ /* act on 1->0 modem transitions */
+ if ((cflag & CRTSCTS) && info->rflow)
+ cyy_writeb(info, CyMCOR1, cflags | rflow_thr[i]);
+ else
+ cyy_writeb(info, CyMCOR1, cflags);
+ /* act on 0->1 modem transitions */
+ cyy_writeb(info, CyMCOR2, cflags);
if (i == 0) /* baud rate is zero, turn off line */
cyy_change_rts_dtr(info, 0, TIOCM_DTR);
--
GitLab
From 5342b77c4123ba39f911d92a813295fb3bb21f69 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:17 -0700
Subject: [PATCH 666/742] slip: Clean up create and destroy
The network layer now has a destructor we can hook to clean up the slip
devices array. That needs us to initiate unregister events in the right
places which with the current tty layer we can do, and with network
refcounting is safe to do.
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/net/slip.c | 96 +++++++++++-----------------------------------
1 file changed, 23 insertions(+), 73 deletions(-)
diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index 26f6ee93a064..e17c535a577e 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -616,6 +616,14 @@ static void sl_uninit(struct net_device *dev)
sl_free_bufs(sl);
}
+/* Hook the destructor so we can free slip devices at the right point in time */
+static void sl_free_netdev(struct net_device *dev)
+{
+ int i = dev->base_addr;
+ free_netdev(dev);
+ slip_devs[i] = NULL;
+}
+
static const struct net_device_ops sl_netdev_ops = {
.ndo_init = sl_init,
.ndo_uninit = sl_uninit,
@@ -634,7 +642,7 @@ static const struct net_device_ops sl_netdev_ops = {
static void sl_setup(struct net_device *dev)
{
dev->netdev_ops = &sl_netdev_ops;
- dev->destructor = free_netdev;
+ dev->destructor = sl_free_netdev;
dev->hard_header_len = 0;
dev->addr_len = 0;
@@ -712,8 +720,6 @@ static void sl_sync(void)
static struct slip *sl_alloc(dev_t line)
{
int i;
- int sel = -1;
- int score = -1;
struct net_device *dev = NULL;
struct slip *sl;
@@ -724,55 +730,7 @@ static struct slip *sl_alloc(dev_t line)
dev = slip_devs[i];
if (dev == NULL)
break;
-
- sl = netdev_priv(dev);
- if (sl->leased) {
- if (sl->line != line)
- continue;
- if (sl->tty)
- return NULL;
-
- /* Clear ESCAPE & ERROR flags */
- sl->flags &= (1 << SLF_INUSE);
- return sl;
- }
-
- if (sl->tty)
- continue;
-
- if (current->pid == sl->pid) {
- if (sl->line == line && score < 3) {
- sel = i;
- score = 3;
- continue;
- }
- if (score < 2) {
- sel = i;
- score = 2;
- }
- continue;
- }
- if (sl->line == line && score < 1) {
- sel = i;
- score = 1;
- continue;
- }
- if (score < 0) {
- sel = i;
- score = 0;
- }
- }
-
- if (sel >= 0) {
- i = sel;
- dev = slip_devs[i];
- if (score > 1) {
- sl = netdev_priv(dev);
- sl->flags &= (1 << SLF_INUSE);
- return sl;
- }
}
-
/* Sorry, too many, all slots in use */
if (i >= slip_maxdev)
return NULL;
@@ -908,31 +866,14 @@ err_exit:
return err;
}
-/*
-
- FIXME: 1,2 are fixed 3 was never true anyway.
-
- Let me to blame a bit.
- 1. TTY module calls this funstion on soft interrupt.
- 2. TTY module calls this function WITH MASKED INTERRUPTS!
- 3. TTY module does not notify us about line discipline
- shutdown,
-
- Seems, now it is clean. The solution is to consider netdevice and
- line discipline sides as two independent threads.
-
- By-product (not desired): sl? does not feel hangups and remains open.
- It is supposed, that user level program (dip, diald, slattach...)
- will catch SIGHUP and make the rest of work.
-
- I see no way to make more with current tty code. --ANK
- */
-
/*
* Close down a SLIP channel.
* This means flushing out any pending queues, and then returning. This
* call is serialized against other ldisc functions.
+ *
+ * We also use this method fo a hangup event
*/
+
static void slip_close(struct tty_struct *tty)
{
struct slip *sl = tty->disc_data;
@@ -951,10 +892,16 @@ static void slip_close(struct tty_struct *tty)
del_timer_sync(&sl->keepalive_timer);
del_timer_sync(&sl->outfill_timer);
#endif
-
- /* Count references from TTY module */
+ /* Flush network side */
+ unregister_netdev(sl->dev);
+ /* This will complete via sl_free_netdev */
}
+static int slip_hangup(struct tty_struct *tty)
+{
+ slip_close(tty);
+ return 0;
+}
/************************************************************************
* STANDARD SLIP ENCAPSULATION *
************************************************************************/
@@ -1311,6 +1258,7 @@ static struct tty_ldisc_ops sl_ldisc = {
.name = "slip",
.open = slip_open,
.close = slip_close,
+ .hangup = slip_hangup,
.ioctl = slip_ioctl,
.receive_buf = slip_receive_buf,
.write_wakeup = slip_write_wakeup,
@@ -1384,6 +1332,8 @@ static void __exit slip_exit(void)
}
} while (busy && time_before(jiffies, timeout));
+ /* FIXME: hangup is async so we should wait when doing this second
+ phase */
for (i = 0; i < slip_maxdev; i++) {
dev = slip_devs[i];
--
GitLab
From f8a7c1a976a6672204c7f4f0f694f33715dfa617 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:17 -0700
Subject: [PATCH 667/742] kfifo: Use "const" definitions
Currently kfifo cannot be used by parts of the kernel that use "const"
properly as kfifo itself does not use const for passed data blocks which
are indeed const.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
include/linux/kfifo.h | 4 ++--
kernel/kfifo.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 29f62e1733ff..ad6bdf5a5970 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -38,7 +38,7 @@ extern struct kfifo *kfifo_alloc(unsigned int size, gfp_t gfp_mask,
spinlock_t *lock);
extern void kfifo_free(struct kfifo *fifo);
extern unsigned int __kfifo_put(struct kfifo *fifo,
- unsigned char *buffer, unsigned int len);
+ const unsigned char *buffer, unsigned int len);
extern unsigned int __kfifo_get(struct kfifo *fifo,
unsigned char *buffer, unsigned int len);
@@ -77,7 +77,7 @@ static inline void kfifo_reset(struct kfifo *fifo)
* bytes copied.
*/
static inline unsigned int kfifo_put(struct kfifo *fifo,
- unsigned char *buffer, unsigned int len)
+ const unsigned char *buffer, unsigned int len)
{
unsigned long flags;
unsigned int ret;
diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index 26539e3228e5..3765ff3c1bbe 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -117,7 +117,7 @@ EXPORT_SYMBOL(kfifo_free);
* writer, you don't need extra locking to use these functions.
*/
unsigned int __kfifo_put(struct kfifo *fifo,
- unsigned char *buffer, unsigned int len)
+ const unsigned char *buffer, unsigned int len)
{
unsigned int l;
--
GitLab
From 0f608f8926968b4beee2cb00ef05522ad84f36eb Mon Sep 17 00:00:00 2001
From: Kees Schoenmakers <k.schoenmakers@sigmae.nl>
Date: Sat, 19 Sep 2009 13:13:18 -0700
Subject: [PATCH 668/742] MOS7720 has no tiocmget method
Fix the tiocmget/mset handling on the mos7720 USB serial port.
[Minor space reformatting for coding style - Alan]
Signed-off-by: Kees Schoenmakers <k.schoenmakers@sigmae.nl>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/mos7720.c | 101 ++++++++++++++++++++++-------------
1 file changed, 64 insertions(+), 37 deletions(-)
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index ccd4dd340d2c..759cdd5ae74d 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -85,7 +85,7 @@ static int debug;
#define MOSCHIP_DEVICE_ID_7720 0x7720
#define MOSCHIP_DEVICE_ID_7715 0x7715
-static struct usb_device_id moschip_port_id_table [] = {
+static struct usb_device_id moschip_port_id_table[] = {
{ USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7720) },
{ } /* terminating entry */
};
@@ -1264,6 +1264,67 @@ static int get_lsr_info(struct tty_struct *tty,
return 0;
}
+static int mos7720_tiocmget(struct tty_struct *tty, struct file *file)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ struct moschip_port *mos7720_port = usb_get_serial_port_data(port);
+ unsigned int result = 0;
+ unsigned int mcr ;
+ unsigned int msr ;
+
+ dbg("%s - port %d", __func__, port->number);
+
+ mcr = mos7720_port->shadowMCR;
+ msr = mos7720_port->shadowMSR;
+
+ result = ((mcr & UART_MCR_DTR) ? TIOCM_DTR : 0) /* 0x002 */
+ | ((mcr & UART_MCR_RTS) ? TIOCM_RTS : 0) /* 0x004 */
+ | ((msr & UART_MSR_CTS) ? TIOCM_CTS : 0) /* 0x020 */
+ | ((msr & UART_MSR_DCD) ? TIOCM_CAR : 0) /* 0x040 */
+ | ((msr & UART_MSR_RI) ? TIOCM_RI : 0) /* 0x080 */
+ | ((msr & UART_MSR_DSR) ? TIOCM_DSR : 0); /* 0x100 */
+
+ dbg("%s -- %x", __func__, result);
+
+ return result;
+}
+
+static int mos7720_tiocmset(struct tty_struct *tty, struct file *file,
+ unsigned int set, unsigned int clear)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ struct moschip_port *mos7720_port = usb_get_serial_port_data(port);
+ unsigned int mcr ;
+ unsigned char lmcr;
+
+ dbg("%s - port %d", __func__, port->number);
+ dbg("he was at tiocmget");
+
+ mcr = mos7720_port->shadowMCR;
+
+ if (set & TIOCM_RTS)
+ mcr |= UART_MCR_RTS;
+ if (set & TIOCM_DTR)
+ mcr |= UART_MCR_DTR;
+ if (set & TIOCM_LOOP)
+ mcr |= UART_MCR_LOOP;
+
+ if (clear & TIOCM_RTS)
+ mcr &= ~UART_MCR_RTS;
+ if (clear & TIOCM_DTR)
+ mcr &= ~UART_MCR_DTR;
+ if (clear & TIOCM_LOOP)
+ mcr &= ~UART_MCR_LOOP;
+
+ mos7720_port->shadowMCR = mcr;
+ lmcr = mos7720_port->shadowMCR;
+
+ send_mos_cmd(port->serial, MOS_WRITE,
+ port->number - port->serial->minor, UART_MCR, &lmcr);
+
+ return 0;
+}
+
static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd,
unsigned int __user *value)
{
@@ -1301,14 +1362,6 @@ static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd,
mcr &= ~UART_MCR_LOOP;
break;
- case TIOCMSET:
- /* turn off the RTS and DTR and LOOPBACK
- * and then only turn on what was asked to */
- mcr &= ~(UART_MCR_RTS | UART_MCR_DTR | UART_MCR_LOOP);
- mcr |= ((arg & TIOCM_RTS) ? UART_MCR_RTS : 0);
- mcr |= ((arg & TIOCM_DTR) ? UART_MCR_DTR : 0);
- mcr |= ((arg & TIOCM_LOOP) ? UART_MCR_LOOP : 0);
- break;
}
mos7720_port->shadowMCR = mcr;
@@ -1320,28 +1373,6 @@ static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd,
return 0;
}
-static int get_modem_info(struct moschip_port *mos7720_port,
- unsigned int __user *value)
-{
- unsigned int result = 0;
- unsigned int msr = mos7720_port->shadowMSR;
- unsigned int mcr = mos7720_port->shadowMCR;
-
- result = ((mcr & UART_MCR_DTR) ? TIOCM_DTR: 0) /* 0x002 */
- | ((mcr & UART_MCR_RTS) ? TIOCM_RTS: 0) /* 0x004 */
- | ((msr & UART_MSR_CTS) ? TIOCM_CTS: 0) /* 0x020 */
- | ((msr & UART_MSR_DCD) ? TIOCM_CAR: 0) /* 0x040 */
- | ((msr & UART_MSR_RI) ? TIOCM_RI: 0) /* 0x080 */
- | ((msr & UART_MSR_DSR) ? TIOCM_DSR: 0); /* 0x100 */
-
-
- dbg("%s -- %x", __func__, result);
-
- if (copy_to_user(value, &result, sizeof(int)))
- return -EFAULT;
- return 0;
-}
-
static int get_serial_info(struct moschip_port *mos7720_port,
struct serial_struct __user *retinfo)
{
@@ -1392,17 +1423,11 @@ static int mos7720_ioctl(struct tty_struct *tty, struct file *file,
/* FIXME: These should be using the mode methods */
case TIOCMBIS:
case TIOCMBIC:
- case TIOCMSET:
dbg("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET",
__func__, port->number);
return set_modem_info(mos7720_port, cmd,
(unsigned int __user *)arg);
- case TIOCMGET:
- dbg("%s (%d) TIOCMGET", __func__, port->number);
- return get_modem_info(mos7720_port,
- (unsigned int __user *)arg);
-
case TIOCGSERIAL:
dbg("%s (%d) TIOCGSERIAL", __func__, port->number);
return get_serial_info(mos7720_port,
@@ -1557,6 +1582,8 @@ static struct usb_serial_driver moschip7720_2port_driver = {
.attach = mos7720_startup,
.release = mos7720_release,
.ioctl = mos7720_ioctl,
+ .tiocmget = mos7720_tiocmget,
+ .tiocmset = mos7720_tiocmset,
.set_termios = mos7720_set_termios,
.write = mos7720_write,
.write_room = mos7720_write_room,
--
GitLab
From 2f9ea55c98bd03265e1c3eb114718eb2974df4cb Mon Sep 17 00:00:00 2001
From: Kees Schoenmakers <k.schoenmakers@sigmae.nl>
Date: Sat, 19 Sep 2009 13:13:18 -0700
Subject: [PATCH 669/742] tty: usb_serial_mos7720: Fix get_lsr_info
I made a correction for get_lsr_info, now it returns some meaningful
information. I tested it with two simultaneous simplex modem channels.
it is attached
Signed-off-by: Kees Schoenmakers <k.schoenmakers@sigmae.nl>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/mos7720.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 759cdd5ae74d..4342a8a0eac9 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -378,10 +378,14 @@ static int mos7720_open(struct tty_struct *tty,
/* Initialize MCS7720 -- Write Init values to corresponding Registers
*
* Register Index
+ * 0 : THR/RHR
* 1 : IER
* 2 : FCR
* 3 : LCR
* 4 : MCR
+ * 5 : LSR
+ * 6 : MSR
+ * 7 : SPR
*
* 0x08 : SP1/2 Control Reg
*/
@@ -1250,15 +1254,22 @@ static void mos7720_set_termios(struct tty_struct *tty,
static int get_lsr_info(struct tty_struct *tty,
struct moschip_port *mos7720_port, unsigned int __user *value)
{
- int count;
+ struct usb_serial_port *port = tty->driver_data;
unsigned int result = 0;
+ unsigned char data = 0;
+ int port_number = port->number - port->serial->minor;
+ int count;
count = mos7720_chars_in_buffer(tty);
if (count == 0) {
- dbg("%s -- Empty", __func__);
- result = TIOCSER_TEMT;
+ send_mos_cmd(port->serial, MOS_READ, port_number,
+ UART_LSR, &data);
+ if ((data & (UART_LSR_TEMT | UART_LSR_THRE))
+ == (UART_LSR_TEMT | UART_LSR_THRE)) {
+ dbg("%s -- Empty", __func__);
+ result = TIOCSER_TEMT;
+ }
}
-
if (copy_to_user(value, &result, sizeof(int)))
return -EFAULT;
return 0;
--
GitLab
From 6146b9af84cc771198195104b432eb13b96a9799 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:19 -0700
Subject: [PATCH 670/742] tty: Fix a typo noted in passing
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/tty_io.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index a3afa0c387cd..938448067738 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2085,7 +2085,7 @@ static int tioccons(struct file *file)
* the generic functionality existed. This piece of history is preserved
* in the expected tty API of posix OS's.
*
- * Locking: none, the open fle handle ensures it won't go away.
+ * Locking: none, the open file handle ensures it won't go away.
*/
static int fionbio(struct file *file, int __user *p)
--
GitLab
From 1e066d803ab7e34e9efb3b0766d618c0cd2598e4 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:19 -0700
Subject: [PATCH 671/742] mos7840: remove old dead modem logic
The modem ioctls are not routed via the ioctl method so kill the old dead
code. The correct code is also already present and hooked in.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/mos7840.c | 115 -----------------------------------
1 file changed, 115 deletions(-)
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 270009afdf77..b93f0f992d9f 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2133,106 +2133,6 @@ static int mos7840_get_lsr_info(struct tty_struct *tty,
return 0;
}
-/*****************************************************************************
- * mos7840_set_modem_info
- * function to set modem info
- *****************************************************************************/
-
-/* FIXME: Should be using the model control hooks */
-
-static int mos7840_set_modem_info(struct moschip_port *mos7840_port,
- unsigned int cmd, unsigned int __user *value)
-{
- unsigned int mcr;
- unsigned int arg;
- __u16 Data;
- int status;
- struct usb_serial_port *port;
-
- if (mos7840_port == NULL)
- return -1;
-
- port = (struct usb_serial_port *)mos7840_port->port;
- if (mos7840_port_paranoia_check(port, __func__)) {
- dbg("%s", "Invalid port");
- return -1;
- }
-
- mcr = mos7840_port->shadowMCR;
-
- if (copy_from_user(&arg, value, sizeof(int)))
- return -EFAULT;
-
- switch (cmd) {
- case TIOCMBIS:
- if (arg & TIOCM_RTS)
- mcr |= MCR_RTS;
- if (arg & TIOCM_DTR)
- mcr |= MCR_RTS;
- if (arg & TIOCM_LOOP)
- mcr |= MCR_LOOPBACK;
- break;
-
- case TIOCMBIC:
- if (arg & TIOCM_RTS)
- mcr &= ~MCR_RTS;
- if (arg & TIOCM_DTR)
- mcr &= ~MCR_RTS;
- if (arg & TIOCM_LOOP)
- mcr &= ~MCR_LOOPBACK;
- break;
-
- case TIOCMSET:
- /* turn off the RTS and DTR and LOOPBACK
- * and then only turn on what was asked to */
- mcr &= ~(MCR_RTS | MCR_DTR | MCR_LOOPBACK);
- mcr |= ((arg & TIOCM_RTS) ? MCR_RTS : 0);
- mcr |= ((arg & TIOCM_DTR) ? MCR_DTR : 0);
- mcr |= ((arg & TIOCM_LOOP) ? MCR_LOOPBACK : 0);
- break;
- }
-
- lock_kernel();
- mos7840_port->shadowMCR = mcr;
-
- Data = mos7840_port->shadowMCR;
- status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER, Data);
- unlock_kernel();
- if (status < 0) {
- dbg("setting MODEM_CONTROL_REGISTER Failed");
- return -1;
- }
-
- return 0;
-}
-
-/*****************************************************************************
- * mos7840_get_modem_info
- * function to get modem info
- *****************************************************************************/
-
-static int mos7840_get_modem_info(struct moschip_port *mos7840_port,
- unsigned int __user *value)
-{
- unsigned int result = 0;
- __u16 msr;
- unsigned int mcr = mos7840_port->shadowMCR;
- mos7840_get_uart_reg(mos7840_port->port,
- MODEM_STATUS_REGISTER, &msr);
- result = ((mcr & MCR_DTR) ? TIOCM_DTR : 0) /* 0x002 */
- |((mcr & MCR_RTS) ? TIOCM_RTS : 0) /* 0x004 */
- |((msr & MOS7840_MSR_CTS) ? TIOCM_CTS : 0) /* 0x020 */
- |((msr & MOS7840_MSR_CD) ? TIOCM_CAR : 0) /* 0x040 */
- |((msr & MOS7840_MSR_RI) ? TIOCM_RI : 0) /* 0x080 */
- |((msr & MOS7840_MSR_DSR) ? TIOCM_DSR : 0); /* 0x100 */
-
- dbg("%s -- %x", __func__, result);
-
- if (copy_to_user(value, &result, sizeof(int)))
- return -EFAULT;
- return 0;
-}
-
/*****************************************************************************
* mos7840_get_serial_info
* function to get information about serial port
@@ -2281,7 +2181,6 @@ static int mos7840_ioctl(struct tty_struct *tty, struct file *file,
struct async_icount cnow;
struct async_icount cprev;
struct serial_icounter_struct icount;
- int mosret = 0;
if (mos7840_port_paranoia_check(port, __func__)) {
dbg("%s", "Invalid port");
@@ -2303,20 +2202,6 @@ static int mos7840_ioctl(struct tty_struct *tty, struct file *file,
return mos7840_get_lsr_info(tty, argp);
return 0;
- /* FIXME: use the modem hooks and remove this */
- case TIOCMBIS:
- case TIOCMBIC:
- case TIOCMSET:
- dbg("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET", __func__,
- port->number);
- mosret =
- mos7840_set_modem_info(mos7840_port, cmd, argp);
- return mosret;
-
- case TIOCMGET:
- dbg("%s (%d) TIOCMGET", __func__, port->number);
- return mos7840_get_modem_info(mos7840_port, argp);
-
case TIOCGSERIAL:
dbg("%s (%d) TIOCGSERIAL", __func__, port->number);
return mos7840_get_serial_info(mos7840_port, argp);
--
GitLab
From 1c2f04937b3e397a5695953c6b82aa4c77d21eb8 Mon Sep 17 00:00:00 2001
From: Vikram Pandita <vikram.pandita@ti.com>
Date: Sat, 19 Sep 2009 13:13:19 -0700
Subject: [PATCH 672/742] serial: 8250: add IRQ trigger support
There is currently no provision for passing IRQ trigger flags for
serial IRQs with triggering requirements (such as GPIO IRQs)
This patch adds irqflags to plat_serial8250_port that can be passed
from board file to reqest_irq() of 8250 driver
Changes are backward compatible with boards passing UPF_SHARE_IRQ flag
Tested on Zoom2 board that has IRQF_TRIGGER_RISING requirement for 8250 irq
[Moved new flag to end to fix bugs in the original with the old_serial array
-- Alan]
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/8250.c | 14 +++++++++-----
drivers/serial/8250.h | 1 +
include/linux/serial_8250.h | 1 +
include/linux/serial_core.h | 1 +
4 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index fb867a9f55e9..83168a6c3c05 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1677,7 +1677,7 @@ static int serial_link_irq_chain(struct uart_8250_port *up)
INIT_LIST_HEAD(&up->list);
i->head = &up->list;
spin_unlock_irq(&i->lock);
-
+ irq_flags |= up->port.irqflags;
ret = request_irq(up->port.irq, serial8250_interrupt,
irq_flags, "serial", i);
if (ret < 0)
@@ -2026,7 +2026,7 @@ static int serial8250_startup(struct uart_port *port)
* allow register changes to become visible.
*/
spin_lock_irqsave(&up->port.lock, flags);
- if (up->port.flags & UPF_SHARE_IRQ)
+ if (up->port.irqflags & IRQF_SHARED)
disable_irq_nosync(up->port.irq);
wait_for_xmitr(up, UART_LSR_THRE);
@@ -2039,7 +2039,7 @@ static int serial8250_startup(struct uart_port *port)
iir = serial_in(up, UART_IIR);
serial_out(up, UART_IER, 0);
- if (up->port.flags & UPF_SHARE_IRQ)
+ if (up->port.irqflags & IRQF_SHARED)
enable_irq(up->port.irq);
spin_unlock_irqrestore(&up->port.lock, flags);
@@ -2671,6 +2671,7 @@ static void __init serial8250_isa_init_ports(void)
i++, up++) {
up->port.iobase = old_serial_port[i].port;
up->port.irq = irq_canonicalize(old_serial_port[i].irq);
+ up->port.irqflags = old_serial_port[i].irqflags;
up->port.uartclk = old_serial_port[i].baud_base * 16;
up->port.flags = old_serial_port[i].flags;
up->port.hub6 = old_serial_port[i].hub6;
@@ -2679,7 +2680,7 @@ static void __init serial8250_isa_init_ports(void)
up->port.regshift = old_serial_port[i].iomem_reg_shift;
set_io_from_upio(&up->port);
if (share_irqs)
- up->port.flags |= UPF_SHARE_IRQ;
+ up->port.irqflags |= IRQF_SHARED;
}
}
@@ -2869,6 +2870,7 @@ int __init early_serial_setup(struct uart_port *port)
p->iobase = port->iobase;
p->membase = port->membase;
p->irq = port->irq;
+ p->irqflags = port->irqflags;
p->uartclk = port->uartclk;
p->fifosize = port->fifosize;
p->regshift = port->regshift;
@@ -2942,6 +2944,7 @@ static int __devinit serial8250_probe(struct platform_device *dev)
port.iobase = p->iobase;
port.membase = p->membase;
port.irq = p->irq;
+ port.irqflags = p->irqflags;
port.uartclk = p->uartclk;
port.regshift = p->regshift;
port.iotype = p->iotype;
@@ -2954,7 +2957,7 @@ static int __devinit serial8250_probe(struct platform_device *dev)
port.serial_out = p->serial_out;
port.dev = &dev->dev;
if (share_irqs)
- port.flags |= UPF_SHARE_IRQ;
+ port.irqflags |= IRQF_SHARED;
ret = serial8250_register_port(&port);
if (ret < 0) {
dev_err(&dev->dev, "unable to register port at index %d "
@@ -3096,6 +3099,7 @@ int serial8250_register_port(struct uart_port *port)
uart->port.iobase = port->iobase;
uart->port.membase = port->membase;
uart->port.irq = port->irq;
+ uart->port.irqflags = port->irqflags;
uart->port.uartclk = port->uartclk;
uart->port.fifosize = port->fifosize;
uart->port.regshift = port->regshift;
diff --git a/drivers/serial/8250.h b/drivers/serial/8250.h
index 520260326f3d..6e19ea3e48d5 100644
--- a/drivers/serial/8250.h
+++ b/drivers/serial/8250.h
@@ -25,6 +25,7 @@ struct old_serial_port {
unsigned char io_type;
unsigned char *iomem_base;
unsigned short iomem_reg_shift;
+ unsigned long irqflags;
};
/*
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index d4d2a78ad43e..fb46aba11fb5 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -22,6 +22,7 @@ struct plat_serial8250_port {
void __iomem *membase; /* ioremap cookie or NULL */
resource_size_t mapbase; /* resource base */
unsigned int irq; /* interrupt number */
+ unsigned long irqflags; /* request_irq flags */
unsigned int uartclk; /* UART clock rate */
void *private_data;
unsigned char regshift; /* register shift */
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 23d2fb051f97..3cd255f0b211 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -265,6 +265,7 @@ struct uart_port {
unsigned int (*serial_in)(struct uart_port *, int);
void (*serial_out)(struct uart_port *, int, int);
unsigned int irq; /* irq number */
+ unsigned long irqflags; /* irq flags */
unsigned int uartclk; /* base uart clock */
unsigned int fifosize; /* tx fifo size */
unsigned char x_char; /* xon/xoff char */
--
GitLab
From 24d481ecae1614cf02e638c8dce9b6e8bf230603 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Sat, 19 Sep 2009 13:13:20 -0700
Subject: [PATCH 673/742] 8250: Now honours baud rate lower bounds
A platform clock drives 8250 ports in most SOC systems, the clock
might run at high frequencies, and so it's not always possible to
downscale uart clock to a desired value.
Currently the 8250 uart driver accepts not supported baud rates, and
what is worse, it is doing this silently, and then passes not accepted
values to a new termios, so userspace has no chance to catch this kind
of errors (userspace verifies that settings were accepted by reading
back and comparing the settings).
This patch fixes the issue by passing minimum baud rate to the
uart_get_baud_rate() call, the call should take care of all bounds,
so userspace should now report:
# stty -F /dev/ttyS0 speed 300
115200
stty: /dev/ttyS0: unable to perform all requested operations
p.s. uart_get_baud_rate() falls back to 9600, which still might be too
low for some 10 GHz platforms, but that's a separate issue, and
we can wait with fixing this till we find such a platform.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/8250.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 83168a6c3c05..1fd4894d9b51 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2272,7 +2272,9 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios,
/*
* Ask the core to calculate the divisor for us.
*/
- baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
+ baud = uart_get_baud_rate(port, termios, old,
+ port->uartclk / 16 / 0xffff,
+ port->uartclk / 16);
quot = serial8250_get_divisor(port, baud);
/*
--
GitLab
From 7ca0ff9ab3218ec443a7a9ad247e4650373ed41e Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:20 -0700
Subject: [PATCH 674/742] tty: Add a full port_close function
Now we are extracting out methods for shutdown and the like we can add a
proper tty_port_close method that knows all the innards of the tty closing
process and hides the lot from the caller.
At some point in the future this will be paired with a similar open()
helper and the drivers can stick to hardware management.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/tty_port.c | 29 +++++++++++++++++++++++++++--
include/linux/tty.h | 8 +++++++-
2 files changed, 34 insertions(+), 3 deletions(-)
diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index 9769b1149f76..549bd0fa8bb6 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -96,6 +96,14 @@ void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty)
}
EXPORT_SYMBOL(tty_port_tty_set);
+static void tty_port_shutdown(struct tty_port *port)
+{
+ if (port->ops->shutdown &&
+ test_and_clear_bit(ASYNC_INITIALIZED, &port->flags))
+ port->ops->shutdown(port);
+
+}
+
/**
* tty_port_hangup - hangup helper
* @port: tty port
@@ -116,6 +124,7 @@ void tty_port_hangup(struct tty_port *port)
port->tty = NULL;
spin_unlock_irqrestore(&port->lock, flags);
wake_up_interruptible(&port->open_wait);
+ tty_port_shutdown(port);
}
EXPORT_SYMBOL(tty_port_hangup);
@@ -296,15 +305,17 @@ int tty_port_close_start(struct tty_port *port, struct tty_struct *tty, struct f
if (port->count) {
spin_unlock_irqrestore(&port->lock, flags);
+ if (port->ops->drop)
+ port->ops->drop(port);
return 0;
}
- port->flags |= ASYNC_CLOSING;
+ set_bit(ASYNC_CLOSING, &port->flags);
tty->closing = 1;
spin_unlock_irqrestore(&port->lock, flags);
/* Don't block on a stalled port, just pull the chain */
if (tty->flow_stopped)
tty_driver_flush_buffer(tty);
- if (port->flags & ASYNC_INITIALIZED &&
+ if (test_bit(ASYNCB_INITIALIZED, &port->flags) &&
port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, port->closing_wait);
if (port->drain_delay) {
@@ -318,6 +329,9 @@ int tty_port_close_start(struct tty_port *port, struct tty_struct *tty, struct f
timeout = 2 * HZ;
schedule_timeout_interruptible(timeout);
}
+ /* Don't call port->drop for the last reference. Callers will want
+ to drop the last active reference in ->shutdown() or the tty
+ shutdown path */
return 1;
}
EXPORT_SYMBOL(tty_port_close_start);
@@ -348,3 +362,14 @@ void tty_port_close_end(struct tty_port *port, struct tty_struct *tty)
spin_unlock_irqrestore(&port->lock, flags);
}
EXPORT_SYMBOL(tty_port_close_end);
+
+void tty_port_close(struct tty_port *port, struct tty_struct *tty,
+ struct file *filp)
+{
+ if (tty_port_close_start(port, tty, filp) == 0)
+ return;
+ tty_port_shutdown(port);
+ tty_port_close_end(port, tty);
+ tty_port_tty_set(port, NULL);
+}
+EXPORT_SYMBOL(tty_port_close);
diff --git a/include/linux/tty.h b/include/linux/tty.h
index a916a318004e..ecb3d1ba3017 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -187,7 +187,12 @@ struct tty_port;
struct tty_port_operations {
/* Return 1 if the carrier is raised */
int (*carrier_raised)(struct tty_port *port);
+ /* Control the DTR line */
void (*dtr_rts)(struct tty_port *port, int raise);
+ /* Called when the last close completes or a hangup finishes
+ IFF the port was initialized. Do not use to free resources */
+ void (*shutdown)(struct tty_port *port);
+ void (*drop)(struct tty_port *port);
};
struct tty_port {
@@ -459,7 +464,8 @@ extern int tty_port_block_til_ready(struct tty_port *port,
extern int tty_port_close_start(struct tty_port *port,
struct tty_struct *tty, struct file *filp);
extern void tty_port_close_end(struct tty_port *port, struct tty_struct *tty);
-
+extern void tty_port_close(struct tty_port *port,
+ struct tty_struct *tty, struct file *filp);
extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
extern int tty_unregister_ldisc(int disc);
extern int tty_set_ldisc(struct tty_struct *tty, int ldisc);
--
GitLab
From c146942573c84b16ccb480a9cfa885a7581585a8 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:21 -0700
Subject: [PATCH 675/742] riscom8: split open and close methods up
Moving towards a tty_port method for open/close
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/riscom8.c | 47 +++++++++++++++++++++++-------------------
1 file changed, 26 insertions(+), 21 deletions(-)
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 171711acf5cd..949999120258 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -921,20 +921,12 @@ static void rc_flush_buffer(struct tty_struct *tty)
tty_wakeup(tty);
}
-static void rc_close(struct tty_struct *tty, struct file *filp)
+static void rc_close_port(struct tty_struct *tty, struct tty_port *port)
{
- struct riscom_port *port = tty->driver_data;
- struct riscom_board *bp;
unsigned long flags;
+ struct riscom_port *rp = container_of(port, struct riscom_port, port);
+ struct riscom_board *bp = port_Board(rp);
unsigned long timeout;
-
- if (!port || rc_paranoia_check(port, tty->name, "close"))
- return;
-
- bp = port_Board(port);
-
- if (tty_port_close_start(&port->port, tty, filp) == 0)
- return;
/*
* At this point we stop accepting input. To do this, we
@@ -944,29 +936,42 @@ static void rc_close(struct tty_struct *tty, struct file *filp)
*/
spin_lock_irqsave(&riscom_lock, flags);
- port->IER &= ~IER_RXD;
- if (port->port.flags & ASYNC_INITIALIZED) {
- port->IER &= ~IER_TXRDY;
- port->IER |= IER_TXEMPTY;
- rc_out(bp, CD180_CAR, port_No(port));
- rc_out(bp, CD180_IER, port->IER);
+ rp->IER &= ~IER_RXD;
+ if (port->flags & ASYNC_INITIALIZED) {
+ rp->IER &= ~IER_TXRDY;
+ rp->IER |= IER_TXEMPTY;
+ rc_out(bp, CD180_CAR, port_No(rp));
+ rc_out(bp, CD180_IER, rp->IER);
/*
* Before we drop DTR, make sure the UART transmitter
* has completely drained; this is especially
* important if there is a transmit FIFO!
*/
timeout = jiffies + HZ;
- while (port->IER & IER_TXEMPTY) {
+ while (rp->IER & IER_TXEMPTY) {
spin_unlock_irqrestore(&riscom_lock, flags);
- msleep_interruptible(jiffies_to_msecs(port->timeout));
+ msleep_interruptible(jiffies_to_msecs(rp->timeout));
spin_lock_irqsave(&riscom_lock, flags);
if (time_after(jiffies, timeout))
break;
}
}
- rc_shutdown_port(tty, bp, port);
- rc_flush_buffer(tty);
+ rc_shutdown_port(tty, bp, rp);
spin_unlock_irqrestore(&riscom_lock, flags);
+}
+
+static void rc_close(struct tty_struct *tty, struct file *filp)
+{
+ struct riscom_port *port = tty->driver_data;
+
+ if (!port || rc_paranoia_check(port, tty->name, "close"))
+ return;
+
+ if (tty_port_close_start(&port->port, tty, filp) == 0)
+ return;
+
+ rc_close_port(tty, &port->port);
+ rc_flush_buffer(tty);
tty_port_close_end(&port->port, tty);
}
--
GitLab
From 1e2b025453d45d35b07d8105bea7fc9d339ff562 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:21 -0700
Subject: [PATCH 676/742] mxser: Split close ready for a standard
tty_port_close method
Prepare for the tty_port_close function by splitting out methods
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
drivers/char/mxser.c | 45 ++++++++++++++++++++++----------------------
1 file changed, 23 insertions(+), 22 deletions(-)
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index dbf8d52f31d0..30544ca5e956 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1073,34 +1073,17 @@ static void mxser_flush_buffer(struct tty_struct *tty)
}
-/*
- * This routine is called when the serial port gets closed. First, we
- * wait for the last remaining data to be sent. Then, we unlink its
- * async structure from the interrupt chain if necessary, and we free
- * that IRQ if nothing is left in the chain.
- */
-static void mxser_close(struct tty_struct *tty, struct file *filp)
+static void mxser_close_port(struct tty_struct *tty, struct tty_port *port)
{
- struct mxser_port *info = tty->driver_data;
- struct tty_port *port = &info->port;
-
+ struct mxser_port *info = container_of(port, struct mxser_port, port);
unsigned long timeout;
-
- if (tty->index == MXSER_PORTS)
- return;
- if (!info)
- return;
-
- if (tty_port_close_start(port, tty, filp) == 0)
- return;
-
/*
* Save the termios structure, since this port may have
* separate termios for callout and dialin.
*
* FIXME: Can this go ?
*/
- if (info->port.flags & ASYNC_NORMAL_ACTIVE)
+ if (port->flags & ASYNC_NORMAL_ACTIVE)
info->normal_termios = *tty->termios;
/*
* At this point we stop accepting input. To do this, we
@@ -1112,7 +1095,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
if (info->board->chip_flag)
info->IER &= ~MOXA_MUST_RECV_ISR;
- if (info->port.flags & ASYNC_INITIALIZED) {
+ if (port->flags & ASYNC_INITIALIZED) {
outb(info->IER, info->ioaddr + UART_IER);
/*
* Before we drop DTR, make sure the UART transmitter
@@ -1127,8 +1110,26 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
}
}
mxser_shutdown(tty);
- mxser_flush_buffer(tty);
+}
+
+/*
+ * This routine is called when the serial port gets closed. First, we
+ * wait for the last remaining data to be sent. Then, we unlink its
+ * async structure from the interrupt chain if necessary, and we free
+ * that IRQ if nothing is left in the chain.
+ */
+static void mxser_close(struct tty_struct *tty, struct file *filp)
+{
+ struct mxser_port *info = tty->driver_data;
+ struct tty_port *port = &info->port;
+
+ if (tty->index == MXSER_PORTS)
+ return;
+ if (tty_port_close_start(port, tty, filp) == 0)
+ return;
+ mxser_close_port(tty, port);
+ mxser_flush_buffer(tty);
/* Right now the tty_port set is done outside of the close_end helper
as we don't yet have everyone using refcounts */
tty_port_close_end(port, tty);
--
GitLab
From 6f6412b4c76441f2060e580b8d5cbda07dabde37 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:21 -0700
Subject: [PATCH 677/742] isicom: Split the close hardware bits out
Start to extract and build a model for a common tty_port_close()
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
drivers/char/isicom.c | 25 ++++++++++++++-----------
1 file changed, 14 insertions(+), 11 deletions(-)
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 4f1f4cd670da..08f574333a57 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -952,19 +952,12 @@ static void isicom_flush_buffer(struct tty_struct *tty)
tty_wakeup(tty);
}
-static void isicom_close(struct tty_struct *tty, struct file *filp)
+static void isicom_close_port(struct tty_port *port)
{
- struct isi_port *ip = tty->driver_data;
- struct tty_port *port = &ip->port;
- struct isi_board *card;
+ struct isi_port *ip = container_of(port, struct isi_port, port);
+ struct isi_board *card = ip->card;
unsigned long flags;
- BUG_ON(!ip);
-
- card = ip->card;
- if (isicom_paranoia_check(ip, tty->name, "isicom_close"))
- return;
-
/* indicate to the card that no more data can be received
on this port */
spin_lock_irqsave(&card->card_lock, flags);
@@ -974,9 +967,19 @@ static void isicom_close(struct tty_struct *tty, struct file *filp)
}
isicom_shutdown_port(ip);
spin_unlock_irqrestore(&card->card_lock, flags);
+}
+static void isicom_close(struct tty_struct *tty, struct file *filp)
+{
+ struct isi_port *ip = tty->driver_data;
+ struct tty_port *port = &ip->port;
+ if (isicom_paranoia_check(ip, tty->name, "isicom_close"))
+ return;
+
+ if (tty_port_close_start(port, tty, filp) == 0)
+ return;
+ isicom_close_port(port);
isicom_flush_buffer(tty);
-
tty_port_close_end(port, tty);
}
--
GitLab
From 6ff1ab28a2b0a8d863c8e0d4af79a758697f6ecc Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:22 -0700
Subject: [PATCH 678/742] tty: riscom8 kref and tty_port_close
We need to kref this driver in order to use port_close
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/riscom8.c | 131 +++++++++++++++++++----------------------
1 file changed, 59 insertions(+), 72 deletions(-)
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 949999120258..7b5623b01903 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -343,7 +343,7 @@ static void rc_receive_exc(struct riscom_board const *bp)
if (port == NULL)
return;
- tty = port->port.tty;
+ tty = tty_port_tty_get(&port->port);
#ifdef RC_REPORT_OVERRUN
status = rc_in(bp, CD180_RCSR);
@@ -355,18 +355,18 @@ static void rc_receive_exc(struct riscom_board const *bp)
#endif
ch = rc_in(bp, CD180_RDR);
if (!status)
- return;
+ goto out;
if (status & RCSR_TOUT) {
printk(KERN_WARNING "rc%d: port %d: Receiver timeout. "
"Hardware problems ?\n",
board_No(bp), port_No(port));
- return;
+ goto out;
} else if (status & RCSR_BREAK) {
printk(KERN_INFO "rc%d: port %d: Handling break...\n",
board_No(bp), port_No(port));
flag = TTY_BREAK;
- if (port->port.flags & ASYNC_SAK)
+ if (tty && (port->port.flags & ASYNC_SAK))
do_SAK(tty);
} else if (status & RCSR_PE)
@@ -380,8 +380,12 @@ static void rc_receive_exc(struct riscom_board const *bp)
else
flag = TTY_NORMAL;
- tty_insert_flip_char(tty, ch, flag);
- tty_flip_buffer_push(tty);
+ if (tty) {
+ tty_insert_flip_char(tty, ch, flag);
+ tty_flip_buffer_push(tty);
+ }
+out:
+ tty_kref_put(tty);
}
static void rc_receive(struct riscom_board const *bp)
@@ -394,7 +398,7 @@ static void rc_receive(struct riscom_board const *bp)
if (port == NULL)
return;
- tty = port->port.tty;
+ tty = tty_port_tty_get(&port->port);
count = rc_in(bp, CD180_RDCR);
@@ -403,15 +407,14 @@ static void rc_receive(struct riscom_board const *bp)
#endif
while (count--) {
- if (tty_buffer_request_room(tty, 1) == 0) {
- printk(KERN_WARNING "rc%d: port %d: Working around "
- "flip buffer overflow.\n",
- board_No(bp), port_No(port));
- break;
- }
- tty_insert_flip_char(tty, rc_in(bp, CD180_RDR), TTY_NORMAL);
+ u8 ch = rc_in(bp, CD180_RDR);
+ if (tty)
+ tty_insert_flip_char(tty, ch, TTY_NORMAL);
+ }
+ if (tty) {
+ tty_flip_buffer_push(tty);
+ tty_kref_put(tty);
}
- tty_flip_buffer_push(tty);
}
static void rc_transmit(struct riscom_board const *bp)
@@ -424,22 +427,22 @@ static void rc_transmit(struct riscom_board const *bp)
if (port == NULL)
return;
- tty = port->port.tty;
+ tty = tty_port_tty_get(&port->port);
if (port->IER & IER_TXEMPTY) {
/* FIFO drained */
rc_out(bp, CD180_CAR, port_No(port));
port->IER &= ~IER_TXEMPTY;
rc_out(bp, CD180_IER, port->IER);
- return;
+ goto out;
}
if ((port->xmit_cnt <= 0 && !port->break_length)
- || tty->stopped || tty->hw_stopped) {
+ || (tty && (tty->stopped || tty->hw_stopped))) {
rc_out(bp, CD180_CAR, port_No(port));
port->IER &= ~IER_TXRDY;
rc_out(bp, CD180_IER, port->IER);
- return;
+ goto out;
}
if (port->break_length) {
@@ -480,8 +483,10 @@ static void rc_transmit(struct riscom_board const *bp)
port->IER &= ~IER_TXRDY;
rc_out(bp, CD180_IER, port->IER);
}
- if (port->xmit_cnt <= port->wakeup_chars)
+ if (tty && port->xmit_cnt <= port->wakeup_chars)
tty_wakeup(tty);
+out:
+ tty_kref_put(tty);
}
static void rc_check_modem(struct riscom_board const *bp)
@@ -494,37 +499,43 @@ static void rc_check_modem(struct riscom_board const *bp)
if (port == NULL)
return;
- tty = port->port.tty;
+ tty = tty_port_tty_get(&port->port);
mcr = rc_in(bp, CD180_MCR);
if (mcr & MCR_CDCHG) {
if (rc_in(bp, CD180_MSVR) & MSVR_CD)
wake_up_interruptible(&port->port.open_wait);
- else
+ else if (tty)
tty_hangup(tty);
}
#ifdef RISCOM_BRAIN_DAMAGED_CTS
if (mcr & MCR_CTSCHG) {
if (rc_in(bp, CD180_MSVR) & MSVR_CTS) {
- tty->hw_stopped = 0;
port->IER |= IER_TXRDY;
- if (port->xmit_cnt <= port->wakeup_chars)
- tty_wakeup(tty);
+ if (tty) {
+ tty->hw_stopped = 0;
+ if (port->xmit_cnt <= port->wakeup_chars)
+ tty_wakeup(tty);
+ }
} else {
- tty->hw_stopped = 1;
+ if (tty)
+ tty->hw_stopped = 1;
port->IER &= ~IER_TXRDY;
}
rc_out(bp, CD180_IER, port->IER);
}
if (mcr & MCR_DSRCHG) {
if (rc_in(bp, CD180_MSVR) & MSVR_DSR) {
- tty->hw_stopped = 0;
port->IER |= IER_TXRDY;
- if (port->xmit_cnt <= port->wakeup_chars)
- tty_wakeup(tty);
+ if (tty) {
+ tty->hw_stopped = 0;
+ if (port->xmit_cnt <= port->wakeup_chars)
+ tty_wakeup(tty);
+ }
} else {
- tty->hw_stopped = 1;
+ if (tty)
+ tty->hw_stopped = 1;
port->IER &= ~IER_TXRDY;
}
rc_out(bp, CD180_IER, port->IER);
@@ -533,6 +544,7 @@ static void rc_check_modem(struct riscom_board const *bp)
/* Clear change bits */
rc_out(bp, CD180_MCR, 0);
+ tty_kref_put(tty);
}
/* The main interrupt processing routine */
@@ -632,9 +644,9 @@ static void rc_shutdown_board(struct riscom_board *bp)
* Setting up port characteristics.
* Must be called with disabled interrupts
*/
-static void rc_change_speed(struct riscom_board *bp, struct riscom_port *port)
+static void rc_change_speed(struct tty_struct *tty, struct riscom_board *bp,
+ struct riscom_port *port)
{
- struct tty_struct *tty = port->port.tty;
unsigned long baud;
long tmp;
unsigned char cor1 = 0, cor3 = 0;
@@ -781,7 +793,8 @@ static void rc_change_speed(struct riscom_board *bp, struct riscom_port *port)
}
/* Must be called with interrupts enabled */
-static int rc_setup_port(struct riscom_board *bp, struct riscom_port *port)
+static int rc_setup_port(struct tty_struct *tty, struct riscom_board *bp,
+ struct riscom_port *port)
{
unsigned long flags;
@@ -793,11 +806,11 @@ static int rc_setup_port(struct riscom_board *bp, struct riscom_port *port)
spin_lock_irqsave(&riscom_lock, flags);
- clear_bit(TTY_IO_ERROR, &port->port.tty->flags);
+ clear_bit(TTY_IO_ERROR, &tty->flags);
if (port->port.count == 1)
bp->count++;
port->xmit_cnt = port->xmit_head = port->xmit_tail = 0;
- rc_change_speed(bp, port);
+ rc_change_speed(tty, bp, port);
port->port.flags |= ASYNC_INITIALIZED;
spin_unlock_irqrestore(&riscom_lock, flags);
@@ -898,9 +911,9 @@ static int rc_open(struct tty_struct *tty, struct file *filp)
port->port.count++;
tty->driver_data = port;
- port->port.tty = tty;
+ tty_port_tty_set(&port->port, tty);
- error = rc_setup_port(bp, port);
+ error = rc_setup_port(tty, bp, port);
if (error == 0)
error = tty_port_block_til_ready(&port->port, tty, filp);
return error;
@@ -921,7 +934,7 @@ static void rc_flush_buffer(struct tty_struct *tty)
tty_wakeup(tty);
}
-static void rc_close_port(struct tty_struct *tty, struct tty_port *port)
+static void rc_close_port(struct tty_port *port, struct tty_struct *tty)
{
unsigned long flags;
struct riscom_port *rp = container_of(port, struct riscom_port, port);
@@ -966,14 +979,7 @@ static void rc_close(struct tty_struct *tty, struct file *filp)
if (!port || rc_paranoia_check(port, tty->name, "close"))
return;
-
- if (tty_port_close_start(&port->port, tty, filp) == 0)
- return;
-
- rc_close_port(tty, &port->port);
- rc_flush_buffer(tty);
-
- tty_port_close_end(&port->port, tty);
+ tty_port_close(&port->port, tty, filp);
}
static int rc_write(struct tty_struct *tty,
@@ -1175,7 +1181,7 @@ static int rc_send_break(struct tty_struct *tty, int length)
return 0;
}
-static int rc_set_serial_info(struct riscom_port *port,
+static int rc_set_serial_info(struct tty_struct *tty, struct riscom_port *port,
struct serial_struct __user *newinfo)
{
struct serial_struct tmp;
@@ -1185,17 +1191,6 @@ static int rc_set_serial_info(struct riscom_port *port,
if (copy_from_user(&tmp, newinfo, sizeof(tmp)))
return -EFAULT;
-#if 0
- if ((tmp.irq != bp->irq) ||
- (tmp.port != bp->base) ||
- (tmp.type != PORT_CIRRUS) ||
- (tmp.baud_base != (RC_OSCFREQ + CD180_TPC/2) / CD180_TPC) ||
- (tmp.custom_divisor != 0) ||
- (tmp.xmit_fifo_size != CD180_NFIFO) ||
- (tmp.flags & ~RISCOM_LEGAL_FLAGS))
- return -EINVAL;
-#endif
-
change_speed = ((port->port.flags & ASYNC_SPD_MASK) !=
(tmp.flags & ASYNC_SPD_MASK));
@@ -1217,7 +1212,7 @@ static int rc_set_serial_info(struct riscom_port *port,
unsigned long flags;
spin_lock_irqsave(&riscom_lock, flags);
- rc_change_speed(bp, port);
+ rc_change_speed(tty, bp, port);
spin_unlock_irqrestore(&riscom_lock, flags);
}
return 0;
@@ -1260,7 +1255,7 @@ static int rc_ioctl(struct tty_struct *tty, struct file *filp,
break;
case TIOCSSERIAL:
lock_kernel();
- retval = rc_set_serial_info(port, argp);
+ retval = rc_set_serial_info(tty, port, argp);
unlock_kernel();
break;
default:
@@ -1355,21 +1350,12 @@ static void rc_start(struct tty_struct *tty)
static void rc_hangup(struct tty_struct *tty)
{
struct riscom_port *port = tty->driver_data;
- struct riscom_board *bp;
- unsigned long flags;
if (rc_paranoia_check(port, tty->name, "rc_hangup"))
return;
- bp = port_Board(port);
-
- rc_shutdown_port(tty, bp, port);
- spin_lock_irqsave(&port->port.lock, flags);
- port->port.count = 0;
- port->port.flags &= ~ASYNC_NORMAL_ACTIVE;
- port->port.tty = NULL;
- wake_up_interruptible(&port->port.open_wait);
- spin_unlock_irqrestore(&port->port.lock, flags);
+ rc_shutdown_port(tty, port_Board(port), port);
+ tty_port_hangup(&port->port);
}
static void rc_set_termios(struct tty_struct *tty,
@@ -1382,7 +1368,7 @@ static void rc_set_termios(struct tty_struct *tty,
return;
spin_lock_irqsave(&riscom_lock, flags);
- rc_change_speed(port_Board(port), port);
+ rc_change_speed(tty, port_Board(port), port);
spin_unlock_irqrestore(&riscom_lock, flags);
if ((old_termios->c_cflag & CRTSCTS) &&
@@ -1415,6 +1401,7 @@ static const struct tty_operations riscom_ops = {
static const struct tty_port_operations riscom_port_ops = {
.carrier_raised = carrier_raised,
+ .shutdown = rc_close_port,
};
--
GitLab
From e936ffd5cb2b4c7ee04925c9b92b616c01f1e022 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:22 -0700
Subject: [PATCH 679/742] cyclades: use the full port_close function
Convert cyclades to use the full tty_port_close helper
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/cyclades.c | 36 +++++++++++++++++-------------------
1 file changed, 17 insertions(+), 19 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index f518e0b5b47d..70bd61b2a7d7 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -1750,24 +1750,15 @@ static void cy_flush_buffer(struct tty_struct *tty)
} /* cy_flush_buffer */
-/*
- * This routine is called when a particular tty device is closed.
- */
-static void cy_close(struct tty_struct *tty, struct file *filp)
+static void cy_do_close(struct tty_port *port)
{
- struct cyclades_port *info = tty->driver_data;
+ struct cyclades_port *info = container_of(port, struct cyclades_port,
+ port);
struct cyclades_card *card;
unsigned long flags;
int channel;
- if (!info || serial_paranoia_check(info, tty->name, "cy_close"))
- return;
-
card = info->card;
-
- if (!tty_port_close_start(&info->port, tty, filp))
- return;
-
channel = info->line - card->first_line;
spin_lock_irqsave(&card->card_lock, flags);
@@ -1779,7 +1770,7 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
/* Waiting for on-board buffers to be empty before
closing the port */
spin_unlock_irqrestore(&card->card_lock, flags);
- cy_wait_until_sent(tty, info->timeout);
+ cy_wait_until_sent(port->tty, info->timeout);
spin_lock_irqsave(&card->card_lock, flags);
}
} else {
@@ -1801,14 +1792,19 @@ static void cy_close(struct tty_struct *tty, struct file *filp)
}
#endif
}
-
spin_unlock_irqrestore(&card->card_lock, flags);
- cy_shutdown(info, tty);
- cy_flush_buffer(tty);
-
- tty_port_tty_set(&info->port, NULL);
+ cy_shutdown(info, port->tty);
+}
- tty_port_close_end(&info->port, tty);
+/*
+ * This routine is called when a particular tty device is closed.
+ */
+static void cy_close(struct tty_struct *tty, struct file *filp)
+{
+ struct cyclades_port *info = tty->driver_data;
+ if (!info || serial_paranoia_check(info, tty->name, "cy_close"))
+ return;
+ tty_port_close(&info->port, tty, filp);
} /* cy_close */
/* This routine gets called when tty_write has put something into
@@ -3113,11 +3109,13 @@ static void cyz_dtr_rts(struct tty_port *port, int raise)
static const struct tty_port_operations cyy_port_ops = {
.carrier_raised = cyy_carrier_raised,
.dtr_rts = cyy_dtr_rts,
+ .shutdown = cy_do_close,
};
static const struct tty_port_operations cyz_port_ops = {
.carrier_raised = cyz_carrier_raised,
.dtr_rts = cyz_dtr_rts,
+ .shutdown = cy_do_close,
};
/*
--
GitLab
From b50989dc444599c8b21edc23536fc305f4e9b7d5 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:22 -0700
Subject: [PATCH 680/742] tty: make the kref destructor occur asynchronously
We want to be able to sleep in the destructor for USB at least. It isn't a
hot path so just pushing it to a work queue doesn't really cause any
difficulty.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/tty_io.c | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 938448067738..385cca7074da 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1386,10 +1386,14 @@ EXPORT_SYMBOL(tty_shutdown);
* tty_mutex - sometimes only
* takes the file list lock internally when working on the list
* of ttys that the driver keeps.
+ *
+ * This method gets called from a work queue so that the driver private
+ * shutdown ops can sleep (needed for USB at least)
*/
-static void release_one_tty(struct kref *kref)
+static void release_one_tty(struct work_struct *work)
{
- struct tty_struct *tty = container_of(kref, struct tty_struct, kref);
+ struct tty_struct *tty =
+ container_of(work, struct tty_struct, hangup_work);
struct tty_driver *driver = tty->driver;
if (tty->ops->shutdown)
@@ -1407,6 +1411,15 @@ static void release_one_tty(struct kref *kref)
free_tty_struct(tty);
}
+static void queue_release_one_tty(struct kref *kref)
+{
+ struct tty_struct *tty = container_of(kref, struct tty_struct, kref);
+ /* The hangup queue is now free so we can reuse it rather than
+ waste a chunk of memory for each port */
+ INIT_WORK(&tty->hangup_work, release_one_tty);
+ schedule_work(&tty->hangup_work);
+}
+
/**
* tty_kref_put - release a tty kref
* @tty: tty device
@@ -1418,7 +1431,7 @@ static void release_one_tty(struct kref *kref)
void tty_kref_put(struct tty_struct *tty)
{
if (tty)
- kref_put(&tty->kref, release_one_tty);
+ kref_put(&tty->kref, queue_release_one_tty);
}
EXPORT_SYMBOL(tty_kref_put);
--
GitLab
From 9b80fee149a875a6292b2556ab2c64dc7ab7d6f5 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:23 -0700
Subject: [PATCH 681/742] cdc_acm: Fix to use modern speed interfaces
This changed in 2006 so its about time the ACM driver caught up
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/class/cdc-acm.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 2bfc41ece0e1..85a1a55815cf 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -858,10 +858,7 @@ static void acm_tty_set_termios(struct tty_struct *tty,
if (!ACM_READY(acm))
return;
- /* FIXME: Needs to support the tty_baud interface */
- /* FIXME: Broken on sparc */
- newline.dwDTERate = cpu_to_le32p(acm_tty_speed +
- (termios->c_cflag & CBAUD & ~CBAUDEX) + (termios->c_cflag & CBAUDEX ? 15 : 0));
+ newline.dwDTERate = cpu_to_le32(tty_get_baud_rate(tty));
newline.bCharFormat = termios->c_cflag & CSTOPB ? 2 : 0;
newline.bParityType = termios->c_cflag & PARENB ?
(termios->c_cflag & PARODD ? 1 : 2) +
--
GitLab
From d2b391822a11302add9e46476f3da4e18e6de84c Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:23 -0700
Subject: [PATCH 682/742] tty: USB hangup is racy
The USB layer uses tty_hangup to deal with unplugs of the physical hardware
(analogous to loss of carrier) and then frees the resources. However the
tty_hangup is asynchronous. As the hangup can sleep we can use tty_vhangup
which is the non async version to avoid freeing resources too early.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/usb-serial.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 99188c92068b..21dd72a5a715 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1161,10 +1161,7 @@ void usb_serial_disconnect(struct usb_interface *interface)
if (port) {
struct tty_struct *tty = tty_port_tty_get(&port->port);
if (tty) {
- /* The hangup will occur asynchronously but
- the object refcounts will sort out all the
- cleanup */
- tty_hangup(tty);
+ tty_vhangup(tty);
tty_kref_put(tty);
}
kill_traffic(port);
--
GitLab
From 9a68e39d4a701fb3be03cae9b462408664ebd205 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:24 -0700
Subject: [PATCH 683/742] tty: remove dtr/rts use from the driver open methods
These are handled by the tty_port core code which will raise and lower the
carrier correctly in tty_wait_until_ready
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/cp210x.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 985cbcf48bda..b5275c4a8eed 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -399,12 +399,6 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port,
/* Configure the termios structure */
cp210x_get_termios(tty, port);
-
- /* Set the DTR and RTS pins low */
- cp210x_tiocmset_port(tty ? (struct usb_serial_port *) tty->driver_data
- : port,
- NULL, TIOCM_DTR | TIOCM_RTS, 0);
-
return 0;
}
--
GitLab
From 4455e344959a217ffc28de2ab1af87541322b343 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:24 -0700
Subject: [PATCH 684/742] tty: USB can now use the shutdown method for kref
based freeing of ports
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/usb-serial.c | 28 +++++++---------------------
1 file changed, 7 insertions(+), 21 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 21dd72a5a715..31c7a0939b98 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -316,16 +316,19 @@ static void serial_do_down(struct usb_serial_port *port)
*
* Do the resource freeing and refcount dropping for the port. We must
* be careful about ordering and we must avoid freeing up the console.
+ *
+ * Called when the last tty kref is dropped.
*/
-static void serial_do_free(struct usb_serial_port *port)
+static void serial_do_free(struct tty_struct *tty)
{
+ struct usb_serial_port *port = tty->driver_data;
struct usb_serial *serial;
struct module *owner;
/* The console is magical, do not hang up the console hardware
or there will be tears */
- if (port->console)
+ if (port == NULL || port->console)
return;
serial = port->serial;
@@ -350,30 +353,12 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
dbg("%s - port %d", __func__, port->number);
- /* FIXME:
- This leaves a very narrow race. Really we should do the
- serial_do_free() on tty->shutdown(), but tty->shutdown can
- be called from IRQ context and serial_do_free can sleep.
-
- The right fix is probably to make the tty free (which is rare)
- and thus tty->shutdown() occur via a work queue and simplify all
- the drivers that use it.
- */
- if (tty_hung_up_p(filp)) {
- /* serial_hangup already called serial_down at this point.
- Another user may have already reopened the port but
- serial_do_free is refcounted */
- serial_do_free(port);
- return;
- }
-
if (tty_port_close_start(&port->port, tty, filp) == 0)
return;
-
serial_do_down(port);
tty_port_close_end(&port->port, tty);
tty_port_tty_set(&port->port, NULL);
- serial_do_free(port);
+
}
static void serial_hangup(struct tty_struct *tty)
@@ -1243,6 +1228,7 @@ static const struct tty_operations serial_ops = {
.chars_in_buffer = serial_chars_in_buffer,
.tiocmget = serial_tiocmget,
.tiocmset = serial_tiocmset,
+ .shutdown = serial_do_free,
.proc_fops = &serial_proc_fops,
};
--
GitLab
From 8b92e87d39bfd046e7581e1fe0f40eac40f88608 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:24 -0700
Subject: [PATCH 685/742] vt: add an event interface
This is needed and requested in various forms for ConsoleKit, screenblank
handling and the like so do the job with a single interface. Also build the
interface so that unlike VT_WAITACTIVE and friends it won't miss events.
FIXME: Should this be a waitactive ioctl or a new device file you can poll
and read events from. We need the code anyway to fix up the existing broken
wait for console switch logic but the ConsoleKit people would prefer the
new device to the ioctl we have here
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/vt.c | 4 +-
drivers/char/vt_ioctl.c | 185 +++++++++++++++++++++++++++++-----------
include/linux/vt.h | 14 +++
include/linux/vt_kern.h | 3 +-
4 files changed, 154 insertions(+), 52 deletions(-)
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index e47a4c88976b..33214d92ca4c 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -252,7 +252,6 @@ static void notify_update(struct vc_data *vc)
struct vt_notifier_param param = { .vc = vc };
atomic_notifier_call_chain(&vt_notifier_list, VT_UPDATE, ¶m);
}
-
/*
* Low-Level Functions
*/
@@ -935,6 +934,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
if (CON_IS_VISIBLE(vc))
update_screen(vc);
+ vt_event_post(VT_EVENT_RESIZE, vc->vc_num, vc->vc_num);
return err;
}
@@ -3637,6 +3637,7 @@ void do_blank_screen(int entering_gfx)
blank_state = blank_vesa_wait;
mod_timer(&console_timer, jiffies + vesa_off_interval);
}
+ vt_event_post(VT_EVENT_BLANK, vc->vc_num, vc->vc_num);
}
EXPORT_SYMBOL(do_blank_screen);
@@ -3681,6 +3682,7 @@ void do_unblank_screen(int leaving_gfx)
console_blank_hook(0);
set_palette(vc);
set_cursor(vc);
+ vt_event_post(VT_EVENT_UNBLANK, vc->vc_num, vc->vc_num);
}
EXPORT_SYMBOL(do_unblank_screen);
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 95189f288f8c..35ad94e65d0d 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -61,6 +61,133 @@ extern struct tty_driver *console_driver;
static void complete_change_console(struct vc_data *vc);
+/*
+ * User space VT_EVENT handlers
+ */
+
+struct vt_event_wait {
+ struct list_head list;
+ struct vt_event event;
+ int done;
+};
+
+static LIST_HEAD(vt_events);
+static DEFINE_SPINLOCK(vt_event_lock);
+static DECLARE_WAIT_QUEUE_HEAD(vt_event_waitqueue);
+
+/**
+ * vt_event_post
+ * @event: the event that occurred
+ * @old: old console
+ * @new: new console
+ *
+ * Post an VT event to interested VT handlers
+ */
+
+void vt_event_post(unsigned int event, unsigned int old, unsigned int new)
+{
+ struct list_head *pos, *head;
+ unsigned long flags;
+ int wake = 0;
+
+ spin_lock_irqsave(&vt_event_lock, flags);
+ head = &vt_events;
+
+ list_for_each(pos, head) {
+ struct vt_event_wait *ve = list_entry(pos,
+ struct vt_event_wait, list);
+ if (!(ve->event.event & event))
+ continue;
+ ve->event.event = event;
+ /* kernel view is consoles 0..n-1, user space view is
+ console 1..n with 0 meaning current, so we must bias */
+ ve->event.old = old + 1;
+ ve->event.new = new + 1;
+ wake = 1;
+ ve->done = 1;
+ }
+ spin_unlock_irqrestore(&vt_event_lock, flags);
+ if (wake)
+ wake_up_interruptible(&vt_event_waitqueue);
+}
+
+/**
+ * vt_event_wait - wait for an event
+ * @vw: our event
+ *
+ * Waits for an event to occur which completes our vt_event_wait
+ * structure. On return the structure has wv->done set to 1 for success
+ * or 0 if some event such as a signal ended the wait.
+ */
+
+static void vt_event_wait(struct vt_event_wait *vw)
+{
+ unsigned long flags;
+ /* Prepare the event */
+ INIT_LIST_HEAD(&vw->list);
+ vw->done = 0;
+ /* Queue our event */
+ spin_lock_irqsave(&vt_event_lock, flags);
+ list_add(&vw->list, &vt_events);
+ spin_unlock_irqrestore(&vt_event_lock, flags);
+ /* Wait for it to pass */
+ wait_event_interruptible(vt_event_waitqueue, vw->done);
+ /* Dequeue it */
+ spin_lock_irqsave(&vt_event_lock, flags);
+ list_del(&vw->list);
+ spin_unlock_irqrestore(&vt_event_lock, flags);
+}
+
+/**
+ * vt_event_wait_ioctl - event ioctl handler
+ * @arg: argument to ioctl
+ *
+ * Implement the VT_WAITEVENT ioctl using the VT event interface
+ */
+
+static int vt_event_wait_ioctl(struct vt_event __user *event)
+{
+ struct vt_event_wait vw;
+
+ if (copy_from_user(&vw.event, event, sizeof(struct vt_event)))
+ return -EFAULT;
+ /* Highest supported event for now */
+ if (vw.event.event & ~VT_MAX_EVENT)
+ return -EINVAL;
+
+ vt_event_wait(&vw);
+ /* If it occurred report it */
+ if (vw.done) {
+ if (copy_to_user(event, &vw.event, sizeof(struct vt_event)))
+ return -EFAULT;
+ return 0;
+ }
+ return -EINTR;
+}
+
+/**
+ * vt_waitactive - active console wait
+ * @event: event code
+ * @n: new console
+ *
+ * Helper for event waits. Used to implement the legacy
+ * event waiting ioctls in terms of events
+ */
+
+int vt_waitactive(int n)
+{
+ struct vt_event_wait vw;
+ do {
+ if (n == fg_console + 1)
+ break;
+ vw.event.event = VT_EVENT_SWITCH;
+ vt_event_wait(&vw);
+ if (vw.done == 0)
+ return -EINTR;
+ } while (vw.event.new != n);
+ return 0;
+}
+
/*
* these are the valid i/o ports we're allowed to change. they map all the
* video ports
@@ -360,6 +487,8 @@ do_unimap_ioctl(int cmd, struct unimapdesc __user *user_ud, int perm, struct vc_
return 0;
}
+
+
/*
* We handle the console-specific ioctl's here. We allow the
* capability to modify any console, not just the fg_console.
@@ -851,7 +980,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
if (arg == 0 || arg > MAX_NR_CONSOLES)
ret = -ENXIO;
else
- ret = vt_waitactive(arg - 1);
+ ret = vt_waitactive(arg);
break;
/*
@@ -1159,6 +1288,9 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
ret = put_user(vc->vc_hi_font_mask,
(unsigned short __user *)arg);
break;
+ case VT_WAITEVENT:
+ ret = vt_event_wait_ioctl((struct vt_event __user *)arg);
+ break;
default:
ret = -ENOIOCTLCMD;
}
@@ -1170,54 +1302,6 @@ eperm:
goto out;
}
-/*
- * Sometimes we want to wait until a particular VT has been activated. We
- * do it in a very simple manner. Everybody waits on a single queue and
- * get woken up at once. Those that are satisfied go on with their business,
- * while those not ready go back to sleep. Seems overkill to add a wait
- * to each vt just for this - usually this does nothing!
- */
-static DECLARE_WAIT_QUEUE_HEAD(vt_activate_queue);
-
-/*
- * Sleeps until a vt is activated, or the task is interrupted. Returns
- * 0 if activation, -EINTR if interrupted by a signal handler.
- */
-int vt_waitactive(int vt)
-{
- int retval;
- DECLARE_WAITQUEUE(wait, current);
-
- add_wait_queue(&vt_activate_queue, &wait);
- for (;;) {
- retval = 0;
-
- /*
- * Synchronize with redraw_screen(). By acquiring the console
- * semaphore we make sure that the console switch is completed
- * before we return. If we didn't wait for the semaphore, we
- * could return at a point where fg_console has already been
- * updated, but the console switch hasn't been completed.
- */
- acquire_console_sem();
- set_current_state(TASK_INTERRUPTIBLE);
- if (vt == fg_console) {
- release_console_sem();
- break;
- }
- release_console_sem();
- retval = -ERESTARTNOHAND;
- if (signal_pending(current))
- break;
- schedule();
- }
- remove_wait_queue(&vt_activate_queue, &wait);
- __set_current_state(TASK_RUNNING);
- return retval;
-}
-
-#define vt_wake_waitactive() wake_up(&vt_activate_queue)
-
void reset_vc(struct vc_data *vc)
{
vc->vc_mode = KD_TEXT;
@@ -1262,6 +1346,7 @@ void vc_SAK(struct work_struct *work)
static void complete_change_console(struct vc_data *vc)
{
unsigned char old_vc_mode;
+ int old = fg_console;
last_console = fg_console;
@@ -1325,7 +1410,7 @@ static void complete_change_console(struct vc_data *vc)
/*
* Wake anyone waiting for their VT to activate
*/
- vt_wake_waitactive();
+ vt_event_post(VT_EVENT_SWITCH, old, vc->vc_num);
return;
}
diff --git a/include/linux/vt.h b/include/linux/vt.h
index 02c1c0288770..89c03a11e193 100644
--- a/include/linux/vt.h
+++ b/include/linux/vt.h
@@ -74,4 +74,18 @@ struct vt_consize {
#define VT_UNLOCKSWITCH 0x560C /* allow vt switching */
#define VT_GETHIFONTMASK 0x560D /* return hi font mask */
+struct vt_event {
+ unsigned int event;
+#define VT_EVENT_SWITCH 0x0001 /* Console switch */
+#define VT_EVENT_BLANK 0x0002 /* Screen blank */
+#define VT_EVENT_UNBLANK 0x0004 /* Screen unblank */
+#define VT_EVENT_RESIZE 0x0008 /* Resize display */
+#define VT_MAX_EVENT 0x000F
+ unsigned int old; /* Old console */
+ unsigned int new; /* New console (if changing) */
+ unsigned int pad[4]; /* Padding for expansion */
+};
+
+#define VT_WAITEVENT 0x560E /* Wait for an event */
+
#endif /* _LINUX_VT_H */
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index 2f1113467f70..f8c797d57c8b 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -91,7 +91,8 @@ int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc);
#endif
/* vt.c */
-int vt_waitactive(int vt);
+void vt_event_post(unsigned int event, unsigned int old, unsigned int new);
+int vt_waitactive(int n);
void change_console(struct vc_data *new_vc);
void reset_vc(struct vc_data *vc);
extern int unbind_con_driver(const struct consw *csw, int first, int last,
--
GitLab
From 8d233558cd99a888571bb5a88a74970879e0aba4 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:25 -0700
Subject: [PATCH 686/742] vt: remove power stuff from kernel/power
In the past someone gratuitiously borrowed chunks of kernel internal vt
code and dumped them in kernel/power. They have all sorts of deep relations
with the vt code so put them in the vt tree instead
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/vt_ioctl.c | 56 ++++++++++++++++++++++++++++++++++++
include/linux/vt_kern.h | 1 +
kernel/power/console.c | 63 ++++-------------------------------------
3 files changed, 62 insertions(+), 58 deletions(-)
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 35ad94e65d0d..d29fbd44bdca 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -16,6 +16,7 @@
#include <linux/tty.h>
#include <linux/timer.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/kd.h>
#include <linux/vt.h>
#include <linux/string.h>
@@ -1483,3 +1484,58 @@ void change_console(struct vc_data *new_vc)
complete_change_console(new_vc);
}
+
+/* Perform a kernel triggered VT switch for suspend/resume */
+
+static int disable_vt_switch;
+
+int vt_move_to_console(unsigned int vt, int alloc)
+{
+ int prev;
+
+ acquire_console_sem();
+ /* Graphics mode - up to X */
+ if (disable_vt_switch) {
+ release_console_sem();
+ return 0;
+ }
+ prev = fg_console;
+
+ if (alloc && vc_allocate(vt)) {
+ /* we can't have a free VC for now. Too bad,
+ * we don't want to mess the screen for now. */
+ release_console_sem();
+ return -ENOSPC;
+ }
+
+ if (set_console(vt)) {
+ /*
+ * We're unable to switch to the SUSPEND_CONSOLE.
+ * Let the calling function know so it can decide
+ * what to do.
+ */
+ release_console_sem();
+ return -EIO;
+ }
+ release_console_sem();
+ if (vt_waitactive(vt)) {
+ pr_debug("Suspend: Can't switch VCs.");
+ return -EINTR;
+ }
+ return prev;
+}
+
+/*
+ * Normally during a suspend, we allocate a new console and switch to it.
+ * When we resume, we switch back to the original console. This switch
+ * can be slow, so on systems where the framebuffer can handle restoration
+ * of video registers anyways, there's little point in doing the console
+ * switch. This function allows you to disable it by passing it '0'.
+ */
+void pm_set_vt_switch(int do_switch)
+{
+ acquire_console_sem();
+ disable_vt_switch = !do_switch;
+ release_console_sem();
+}
+EXPORT_SYMBOL(pm_set_vt_switch);
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index f8c797d57c8b..5b53efe41b5c 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -117,4 +117,5 @@ struct vt_spawn_console {
};
extern struct vt_spawn_console vt_spawn_con;
+extern int vt_move_to_console(unsigned int vt, int alloc);
#endif /* _VT_KERN_H */
diff --git a/kernel/power/console.c b/kernel/power/console.c
index a3961b205de7..5187136fe1de 100644
--- a/kernel/power/console.c
+++ b/kernel/power/console.c
@@ -14,56 +14,13 @@
#define SUSPEND_CONSOLE (MAX_NR_CONSOLES-1)
static int orig_fgconsole, orig_kmsg;
-static int disable_vt_switch;
-
-/*
- * Normally during a suspend, we allocate a new console and switch to it.
- * When we resume, we switch back to the original console. This switch
- * can be slow, so on systems where the framebuffer can handle restoration
- * of video registers anyways, there's little point in doing the console
- * switch. This function allows you to disable it by passing it '0'.
- */
-void pm_set_vt_switch(int do_switch)
-{
- acquire_console_sem();
- disable_vt_switch = !do_switch;
- release_console_sem();
-}
-EXPORT_SYMBOL(pm_set_vt_switch);
int pm_prepare_console(void)
{
- acquire_console_sem();
-
- if (disable_vt_switch) {
- release_console_sem();
- return 0;
- }
-
- orig_fgconsole = fg_console;
-
- if (vc_allocate(SUSPEND_CONSOLE)) {
- /* we can't have a free VC for now. Too bad,
- * we don't want to mess the screen for now. */
- release_console_sem();
+ orig_fgconsole = vt_move_to_console(SUSPEND_CONSOLE, 1);
+ if (orig_fgconsole < 0)
return 1;
- }
- if (set_console(SUSPEND_CONSOLE)) {
- /*
- * We're unable to switch to the SUSPEND_CONSOLE.
- * Let the calling function know so it can decide
- * what to do.
- */
- release_console_sem();
- return 1;
- }
- release_console_sem();
-
- if (vt_waitactive(SUSPEND_CONSOLE)) {
- pr_debug("Suspend: Can't switch VCs.");
- return 1;
- }
orig_kmsg = kmsg_redirect;
kmsg_redirect = SUSPEND_CONSOLE;
return 0;
@@ -71,19 +28,9 @@ int pm_prepare_console(void)
void pm_restore_console(void)
{
- acquire_console_sem();
- if (disable_vt_switch) {
- release_console_sem();
- return;
- }
- set_console(orig_fgconsole);
- release_console_sem();
-
- if (vt_waitactive(orig_fgconsole)) {
- pr_debug("Resume: Can't switch VCs.");
- return;
+ if (orig_fgconsole >= 0) {
+ vt_move_to_console(orig_fgconsole, 0);
+ kmsg_redirect = orig_kmsg;
}
-
- kmsg_redirect = orig_kmsg;
}
#endif
--
GitLab
From a5eb56242d1e2d82938a066219ac1cdf0d68adc8 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:25 -0700
Subject: [PATCH 687/742] vt: move kernel stuff out of vt.h
We have vt_kern.h for this
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
include/linux/vt.h | 11 -----------
include/linux/vt_kern.h | 12 ++++++++++++
2 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/include/linux/vt.h b/include/linux/vt.h
index 89c03a11e193..831daf64b90c 100644
--- a/include/linux/vt.h
+++ b/include/linux/vt.h
@@ -1,17 +1,6 @@
#ifndef _LINUX_VT_H
#define _LINUX_VT_H
-#ifdef __KERNEL__
-struct notifier_block;
-
-struct vt_notifier_param {
- struct vc_data *vc; /* VC on which the update happened */
- unsigned int c; /* Printed char */
-};
-
-extern int register_vt_notifier(struct notifier_block *nb);
-extern int unregister_vt_notifier(struct notifier_block *nb);
-#endif
/*
* These constants are also useful for user-level apps (e.g., VC
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index 5b53efe41b5c..c0c4e1103a73 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -13,6 +13,7 @@
#include <linux/console_struct.h>
#include <linux/mm.h>
#include <linux/consolemap.h>
+#include <linux/notifier.h>
/*
* Presently, a lot of graphics programs do not restore the contents of
@@ -118,4 +119,15 @@ struct vt_spawn_console {
extern struct vt_spawn_console vt_spawn_con;
extern int vt_move_to_console(unsigned int vt, int alloc);
+
+/* Interfaces for VC notification of character events (for accessibility etc) */
+
+struct vt_notifier_param {
+ struct vc_data *vc; /* VC on which the update happened */
+ unsigned int c; /* Printed char */
+};
+
+extern int register_vt_notifier(struct notifier_block *nb);
+extern int unregister_vt_notifier(struct notifier_block *nb);
+
#endif /* _VT_KERN_H */
--
GitLab
From d3b5cffcf84a8bdc7073dce4745d67c72629af85 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:26 -0700
Subject: [PATCH 688/742] vt: add an activate and lock
X and other graphical interfaces need to be able to flip to a console
and lock it into graphics mode without races.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/vt_ioctl.c | 38 +++++++++++++++++++++++++++++++++++++-
include/linux/vt.h | 7 +++++++
2 files changed, 44 insertions(+), 1 deletion(-)
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index d29fbd44bdca..0fceb8f4d6f2 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -972,6 +972,41 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
}
break;
+ case VT_SETACTIVATE:
+ {
+ struct vt_setactivate vsa;
+
+ if (!perm)
+ goto eperm;
+
+ if (copy_from_user(&vsa, (struct vt_setactivate __user *)arg,
+ sizeof(struct vt_setactivate)))
+ return -EFAULT;
+ if (vsa.console == 0 || vsa.console > MAX_NR_CONSOLES)
+ ret = -ENXIO;
+ else {
+ vsa.console--;
+ acquire_console_sem();
+ ret = vc_allocate(vsa.console);
+ if (ret == 0) {
+ struct vc_data *nvc;
+ /* This is safe providing we don't drop the
+ console sem between vc_allocate and
+ finishing referencing nvc */
+ nvc = vc_cons[vsa.console].d;
+ nvc->vt_mode = vsa.mode;
+ nvc->vt_mode.frsig = 0;
+ put_pid(nvc->vt_pid);
+ nvc->vt_pid = get_pid(task_pid(current));
+ }
+ release_console_sem();
+ if (ret)
+ break;
+ /* Commence switch and lock */
+ set_console(arg);
+ }
+ }
+
/*
* wait until the specified VT has been activated
*/
@@ -1342,7 +1377,8 @@ void vc_SAK(struct work_struct *work)
}
/*
- * Performs the back end of a vt switch
+ * Performs the back end of a vt switch. Called under the console
+ * semaphore.
*/
static void complete_change_console(struct vc_data *vc)
{
diff --git a/include/linux/vt.h b/include/linux/vt.h
index 831daf64b90c..7afca0d72139 100644
--- a/include/linux/vt.h
+++ b/include/linux/vt.h
@@ -77,4 +77,11 @@ struct vt_event {
#define VT_WAITEVENT 0x560E /* Wait for an event */
+struct vt_setactivate {
+ unsigned int console;
+ struct vt_mode mode;
+};
+
+#define VT_SETACTIVATE 0x560F /* Activate and set the mode of a console */
+
#endif /* _LINUX_VT_H */
--
GitLab
From a509a7e478e4766114d69f12d19d644ac63e9765 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:26 -0700
Subject: [PATCH 689/742] tty: USB does not need the filp argument in the
drivers
And indeed none of them use it. Clean this up as it will make moving to a
standard open method rather easier.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/ark3116.c | 5 ++---
drivers/usb/serial/belkin_sa.c | 4 ++--
drivers/usb/serial/ch341.c | 5 ++---
drivers/usb/serial/console.c | 4 ++--
drivers/usb/serial/cp210x.c | 6 ++----
drivers/usb/serial/cyberjack.c | 4 ++--
drivers/usb/serial/cypress_m8.c | 6 ++----
drivers/usb/serial/digi_acceleport.c | 6 ++----
drivers/usb/serial/empeg.c | 8 +++-----
drivers/usb/serial/ftdi_sio.c | 6 ++----
drivers/usb/serial/garmin_gps.c | 3 +--
drivers/usb/serial/generic.c | 3 +--
drivers/usb/serial/io_edgeport.c | 6 ++----
drivers/usb/serial/io_ti.c | 3 +--
drivers/usb/serial/ipaq.c | 9 ++-------
drivers/usb/serial/ipw.c | 3 +--
drivers/usb/serial/ir-usb.c | 6 ++----
drivers/usb/serial/iuu_phoenix.c | 5 ++---
drivers/usb/serial/keyspan.c | 3 +--
drivers/usb/serial/keyspan.h | 3 +--
drivers/usb/serial/keyspan_pda.c | 2 +-
drivers/usb/serial/kl5kusb105.c | 10 ++--------
drivers/usb/serial/kobil_sct.c | 6 ++----
drivers/usb/serial/mct_u232.c | 6 ++----
drivers/usb/serial/mos7720.c | 3 +--
drivers/usb/serial/mos7840.c | 3 +--
drivers/usb/serial/navman.c | 3 +--
drivers/usb/serial/omninet.c | 6 ++----
drivers/usb/serial/opticon.c | 3 +--
drivers/usb/serial/option.c | 6 ++----
drivers/usb/serial/oti6858.c | 6 ++----
drivers/usb/serial/pl2303.c | 5 +----
drivers/usb/serial/sierra.c | 3 +--
drivers/usb/serial/spcp8x5.c | 5 +----
drivers/usb/serial/symbolserial.c | 3 +--
drivers/usb/serial/ti_usb_3410_5052.c | 6 ++----
drivers/usb/serial/usb-serial.c | 2 +-
drivers/usb/serial/usb_debug.c | 5 ++---
drivers/usb/serial/visor.c | 6 ++----
drivers/usb/serial/whiteheat.c | 5 ++---
include/linux/usb/serial.h | 7 +++----
41 files changed, 68 insertions(+), 131 deletions(-)
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index aec61880f36c..7ddde4ddfb4b 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -318,8 +318,7 @@ static void ark3116_set_termios(struct tty_struct *tty,
return;
}
-static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp)
+static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
@@ -334,7 +333,7 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port,
return -ENOMEM;
}
- result = usb_serial_generic_open(tty, port, filp);
+ result = usb_serial_generic_open(tty, port);
if (result)
goto err_out;
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 7033b031b443..a0467bc61627 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -92,7 +92,7 @@ static int debug;
static int belkin_sa_startup(struct usb_serial *serial);
static void belkin_sa_release(struct usb_serial *serial);
static int belkin_sa_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+ struct usb_serial_port *port);
static void belkin_sa_close(struct usb_serial_port *port);
static void belkin_sa_read_int_callback(struct urb *urb);
static void belkin_sa_set_termios(struct tty_struct *tty,
@@ -213,7 +213,7 @@ static void belkin_sa_release(struct usb_serial *serial)
static int belkin_sa_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+ struct usb_serial_port *port)
{
int retval = 0;
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 2830766f5b39..8c894a7d5dcf 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -300,8 +300,7 @@ static void ch341_close(struct usb_serial_port *port)
/* open this device, set default parameters */
-static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp)
+static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
struct ch341_private *priv = usb_get_serial_port_data(serial->port[0]);
@@ -333,7 +332,7 @@ static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port,
return -EPROTO;
}
- r = usb_serial_generic_open(tty, port, filp);
+ r = usb_serial_generic_open(tty, port);
out: return r;
}
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 0e4f2e41ace5..be086e4c76b6 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -150,9 +150,9 @@ static int usb_console_setup(struct console *co, char *options)
/* only call the device specific open if this
* is the first time the port is opened */
if (serial->type->open)
- retval = serial->type->open(NULL, port, NULL);
+ retval = serial->type->open(NULL, port);
else
- retval = usb_serial_generic_open(NULL, port, NULL);
+ retval = usb_serial_generic_open(NULL, port);
if (retval) {
err("could not open USB console port");
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index b5275c4a8eed..4a208fe85bc9 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -33,8 +33,7 @@
/*
* Function Prototypes
*/
-static int cp210x_open(struct tty_struct *, struct usb_serial_port *,
- struct file *);
+static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *);
static void cp210x_cleanup(struct usb_serial_port *);
static void cp210x_close(struct usb_serial_port *);
static void cp210x_get_termios(struct tty_struct *,
@@ -368,8 +367,7 @@ static unsigned int cp210x_quantise_baudrate(unsigned int baud) {
return baud;
}
-static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp)
+static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
int result;
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index 336523fd7366..b0f6402a91ca 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -61,7 +61,7 @@ static int cyberjack_startup(struct usb_serial *serial);
static void cyberjack_disconnect(struct usb_serial *serial);
static void cyberjack_release(struct usb_serial *serial);
static int cyberjack_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+ struct usb_serial_port *port);
static void cyberjack_close(struct usb_serial_port *port);
static int cyberjack_write(struct tty_struct *tty,
struct usb_serial_port *port, const unsigned char *buf, int count);
@@ -173,7 +173,7 @@ static void cyberjack_release(struct usb_serial *serial)
}
static int cyberjack_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+ struct usb_serial_port *port)
{
struct cyberjack_private *priv;
unsigned long flags;
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 59adfe123110..df1adb9a4367 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -172,8 +172,7 @@ static int cypress_earthmate_startup(struct usb_serial *serial);
static int cypress_hidcom_startup(struct usb_serial *serial);
static int cypress_ca42v2_startup(struct usb_serial *serial);
static void cypress_release(struct usb_serial *serial);
-static int cypress_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port);
static void cypress_close(struct usb_serial_port *port);
static void cypress_dtr_rts(struct usb_serial_port *port, int on);
static int cypress_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -633,8 +632,7 @@ static void cypress_release(struct usb_serial *serial)
}
-static int cypress_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct cypress_private *priv = usb_get_serial_port_data(port);
struct usb_serial *serial = port->serial;
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index f4808091c47c..ab3dd991586b 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -453,8 +453,7 @@ static int digi_write(struct tty_struct *tty, struct usb_serial_port *port,
static void digi_write_bulk_callback(struct urb *urb);
static int digi_write_room(struct tty_struct *tty);
static int digi_chars_in_buffer(struct tty_struct *tty);
-static int digi_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp);
+static int digi_open(struct tty_struct *tty, struct usb_serial_port *port);
static void digi_close(struct usb_serial_port *port);
static int digi_carrier_raised(struct usb_serial_port *port);
static void digi_dtr_rts(struct usb_serial_port *port, int on);
@@ -1347,8 +1346,7 @@ static int digi_carrier_raised(struct usb_serial_port *port)
return 0;
}
-static int digi_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp)
+static int digi_open(struct tty_struct *tty, struct usb_serial_port *port)
{
int ret;
unsigned char buf[32];
diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
index 80cb3471adbe..da559a773b51 100644
--- a/drivers/usb/serial/empeg.c
+++ b/drivers/usb/serial/empeg.c
@@ -79,8 +79,7 @@ static int debug;
#define EMPEG_PRODUCT_ID 0x0001
/* function prototypes for an empeg-car player */
-static int empeg_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp);
+static int empeg_open(struct tty_struct *tty, struct usb_serial_port *port);
static void empeg_close(struct usb_serial_port *port);
static int empeg_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf,
@@ -142,8 +141,7 @@ static int bytes_out;
/******************************************************************************
* Empeg specific driver functions
******************************************************************************/
-static int empeg_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp)
+static int empeg_open(struct tty_struct *tty,struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
int result = 0;
@@ -151,7 +149,7 @@ static int empeg_open(struct tty_struct *tty, struct usb_serial_port *port,
dbg("%s - port %d", __func__, port->number);
/* Force default termio settings */
- empeg_set_termios(tty, port, NULL) ;
+ empeg_set_termios(tty, port, NULL);
bytes_in = 0;
bytes_out = 0;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 8fec5d4455c9..76a17f915eef 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -747,8 +747,7 @@ static int ftdi_sio_probe(struct usb_serial *serial,
const struct usb_device_id *id);
static int ftdi_sio_port_probe(struct usb_serial_port *port);
static int ftdi_sio_port_remove(struct usb_serial_port *port);
-static int ftdi_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
static void ftdi_close(struct usb_serial_port *port);
static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -1680,8 +1679,7 @@ static int ftdi_sio_port_remove(struct usb_serial_port *port)
return 0;
}
-static int ftdi_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
{ /* ftdi_open */
struct usb_device *dev = port->serial->dev;
struct ftdi_private *priv = usb_get_serial_port_data(port);
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 8839f1c70b7f..20432d345529 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -933,8 +933,7 @@ static int garmin_init_session(struct usb_serial_port *port)
-static int garmin_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int garmin_open(struct tty_struct *tty, struct usb_serial_port *port)
{
unsigned long flags;
int status = 0;
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index ce57f6a32bdf..d9398e9f30ce 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -114,8 +114,7 @@ void usb_serial_generic_deregister(void)
#endif
}
-int usb_serial_generic_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
int result = 0;
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 0191693625d6..dc0f832657e6 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -205,8 +205,7 @@ static void edge_bulk_out_data_callback(struct urb *urb);
static void edge_bulk_out_cmd_callback(struct urb *urb);
/* function prototypes for the usbserial callbacks */
-static int edge_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp);
+static int edge_open(struct tty_struct *tty, struct usb_serial_port *port);
static void edge_close(struct usb_serial_port *port);
static int edge_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count);
@@ -852,8 +851,7 @@ static void edge_bulk_out_cmd_callback(struct urb *urb)
* If successful, we return 0
* Otherwise we return a negative error number.
*****************************************************************************/
-static int edge_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int edge_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
struct usb_serial *serial;
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index e8bc42f92e79..d4cc0f7af400 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -1831,8 +1831,7 @@ static void edge_bulk_out_callback(struct urb *urb)
tty_kref_put(tty);
}
-static int edge_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int edge_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
struct edgeport_serial *edge_serial;
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index 2545d45ce16f..24fcc64b837d 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -75,7 +75,7 @@ static int initial_wait;
/* Function prototypes for an ipaq */
static int ipaq_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+ struct usb_serial_port *port);
static void ipaq_close(struct usb_serial_port *port);
static int ipaq_calc_num_ports(struct usb_serial *serial);
static int ipaq_startup(struct usb_serial *serial);
@@ -587,7 +587,7 @@ static int bytes_in;
static int bytes_out;
static int ipaq_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+ struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
struct ipaq_private *priv;
@@ -628,11 +628,6 @@ static int ipaq_open(struct tty_struct *tty,
priv->free_len += PACKET_SIZE;
}
- if (tty) {
- /* FIXME: These two are bogus */
- tty->raw = 1;
- tty->real_raw = 1;
- }
/*
* Lose the small buffers usbserial provides. Make larger ones.
*/
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index 29ad038b9c8d..727d323f092a 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -193,8 +193,7 @@ static void ipw_read_bulk_callback(struct urb *urb)
return;
}
-static int ipw_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct usb_device *dev = port->serial->dev;
u8 buf_flow_static[16] = IPW_BYTES_FLOWINIT;
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 66009b6b763a..95d8d26b9a44 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -86,8 +86,7 @@ static int buffer_size;
static int xbof = -1;
static int ir_startup (struct usb_serial *serial);
-static int ir_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filep);
+static int ir_open(struct tty_struct *tty, struct usb_serial_port *port);
static void ir_close(struct usb_serial_port *port);
static int ir_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count);
@@ -296,8 +295,7 @@ static int ir_startup(struct usb_serial *serial)
return 0;
}
-static int ir_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int ir_open(struct tty_struct *tty, struct usb_serial_port *port)
{
char *buffer;
int result = 0;
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 96873a7a32b0..f3f9be0469c5 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -1018,8 +1018,7 @@ static void iuu_close(struct usb_serial_port *port)
}
}
-static int iuu_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
u8 *buf;
@@ -1077,7 +1076,7 @@ static int iuu_open(struct tty_struct *tty,
tty->termios->c_iflag = 0;
priv->termios_initialized = 1;
priv->poll = 0;
- }
+ }
spin_unlock_irqrestore(&priv->lock, flags);
/* initialize writebuf */
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 2594b8743d3f..f8c4b07033ff 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1209,8 +1209,7 @@ static int keyspan_write_room(struct tty_struct *tty)
}
-static int keyspan_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct keyspan_port_private *p_priv;
struct keyspan_serial_private *s_priv;
diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h
index 3107ed15af64..30771e5b3973 100644
--- a/drivers/usb/serial/keyspan.h
+++ b/drivers/usb/serial/keyspan.h
@@ -36,8 +36,7 @@
/* Function prototypes for Keyspan serial converter */
static int keyspan_open (struct tty_struct *tty,
- struct usb_serial_port *port,
- struct file *filp);
+ struct usb_serial_port *port);
static void keyspan_close (struct usb_serial_port *port);
static void keyspan_dtr_rts (struct usb_serial_port *port, int on);
static int keyspan_startup (struct usb_serial *serial);
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index d0b12e40c2b1..257c16cc6b2a 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -681,7 +681,7 @@ static int keyspan_pda_carrier_raised(struct usb_serial_port *port)
static int keyspan_pda_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+ struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
unsigned char room;
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 0f44bb8e8d4f..a61673133d7d 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -75,8 +75,7 @@ static int debug;
static int klsi_105_startup(struct usb_serial *serial);
static void klsi_105_disconnect(struct usb_serial *serial);
static void klsi_105_release(struct usb_serial *serial);
-static int klsi_105_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port);
static void klsi_105_close(struct usb_serial_port *port);
static int klsi_105_write(struct tty_struct *tty,
struct usb_serial_port *port, const unsigned char *buf, int count);
@@ -358,8 +357,7 @@ static void klsi_105_release(struct usb_serial *serial)
}
} /* klsi_105_release */
-static int klsi_105_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct klsi_105_private *priv = usb_get_serial_port_data(port);
int retval = 0;
@@ -371,10 +369,6 @@ static int klsi_105_open(struct tty_struct *tty,
dbg("%s port %d", __func__, port->number);
- /* force low_latency on so that our tty_push actually forces
- * the data through
- * tty->low_latency = 1; */
-
/* Do a defined restart:
* Set up sane default baud rate and send the 'READ_ON'
* vendor command.
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 6db0e561f680..97901578343a 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -70,8 +70,7 @@ static int debug;
/* Function prototypes */
static int kobil_startup(struct usb_serial *serial);
static void kobil_release(struct usb_serial *serial);
-static int kobil_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port);
static void kobil_close(struct usb_serial_port *port);
static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count);
@@ -211,8 +210,7 @@ static void kobil_release(struct usb_serial *serial)
}
-static int kobil_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
{
int result = 0;
struct kobil_private *priv;
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index d8825e159aa5..d501aefa2628 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -93,8 +93,7 @@ static int debug;
*/
static int mct_u232_startup(struct usb_serial *serial);
static void mct_u232_release(struct usb_serial *serial);
-static int mct_u232_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+static int mct_u232_open(struct tty_struct *tty, struct usb_serial_port *port);
static void mct_u232_close(struct usb_serial_port *port);
static void mct_u232_dtr_rts(struct usb_serial_port *port, int on);
static void mct_u232_read_int_callback(struct urb *urb);
@@ -421,8 +420,7 @@ static void mct_u232_release(struct usb_serial *serial)
}
} /* mct_u232_release */
-static int mct_u232_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int mct_u232_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
struct mct_u232_private *priv = usb_get_serial_port_data(port);
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 4342a8a0eac9..763e32a44be0 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -319,8 +319,7 @@ static int send_mos_cmd(struct usb_serial *serial, __u8 request, __u16 value,
return status;
}
-static int mos7720_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int mos7720_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct usb_serial *serial;
struct usb_serial_port *port0;
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index b93f0f992d9f..f11abf52be7d 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -824,8 +824,7 @@ static int mos7840_serial_probe(struct usb_serial *serial,
* Otherwise we return a negative error number.
*****************************************************************************/
-static int mos7840_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port)
{
int response;
int j;
diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c
index f5f3751a888c..5ceaa4c6be09 100644
--- a/drivers/usb/serial/navman.c
+++ b/drivers/usb/serial/navman.c
@@ -80,8 +80,7 @@ exit:
__func__, result);
}
-static int navman_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int navman_open(struct tty_struct *tty, struct usb_serial_port *port)
{
int result = 0;
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index 56857ddbd70b..062265038bf0 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -64,8 +64,7 @@ static int debug;
#define BT_IGNITIONPRO_ID 0x2000
/* function prototypes */
-static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp);
+static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port);
static void omninet_close(struct usb_serial_port *port);
static void omninet_read_bulk_callback(struct urb *urb);
static void omninet_write_bulk_callback(struct urb *urb);
@@ -163,8 +162,7 @@ static int omninet_attach(struct usb_serial *serial)
return 0;
}
-static int omninet_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
struct usb_serial_port *wport;
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 336bba79ad32..1085a577c5c1 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -144,8 +144,7 @@ exit:
spin_unlock(&priv->lock);
}
-static int opticon_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp)
+static int opticon_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct opticon_private *priv = usb_get_serial_data(port->serial);
unsigned long flags;
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index c784ddbe7b61..fe47051dbef2 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -45,8 +45,7 @@
/* Function prototypes */
static int option_probe(struct usb_serial *serial,
const struct usb_device_id *id);
-static int option_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp);
+static int option_open(struct tty_struct *tty, struct usb_serial_port *port);
static void option_close(struct usb_serial_port *port);
static void option_dtr_rts(struct usb_serial_port *port, int on);
@@ -961,8 +960,7 @@ static int option_chars_in_buffer(struct tty_struct *tty)
return data_len;
}
-static int option_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int option_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct option_port_private *portdata;
int i, err;
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 3cece27325e7..e90f88a3b040 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -141,8 +141,7 @@ struct oti6858_control_pkt {
&& ((a)->frame_fmt == (priv)->pending_setup.frame_fmt))
/* function prototypes */
-static int oti6858_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+static int oti6858_open(struct tty_struct *tty, struct usb_serial_port *port);
static void oti6858_close(struct usb_serial_port *port);
static void oti6858_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old);
@@ -566,8 +565,7 @@ static void oti6858_set_termios(struct tty_struct *tty,
spin_unlock_irqrestore(&priv->lock, flags);
}
-static int oti6858_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int oti6858_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct oti6858_private *priv = usb_get_serial_port_data(port);
struct ktermios tmp_termios;
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 3e86815b2705..a63ea99936f7 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -691,8 +691,7 @@ static void pl2303_close(struct usb_serial_port *port)
}
-static int pl2303_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
@@ -714,8 +713,6 @@ static int pl2303_open(struct tty_struct *tty,
if (tty)
pl2303_set_termios(tty, port, &tmp_termios);
- /* FIXME: need to assert RTS and DTR if CRTSCTS off */
-
dbg("%s - submitting read urb", __func__);
port->read_urb->dev = serial->dev;
result = usb_submit_urb(port->read_urb, GFP_KERNEL);
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index f48d05e0acc1..55391bbe1230 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -734,8 +734,7 @@ static void sierra_close(struct usb_serial_port *port)
}
}
-static int sierra_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct sierra_port_private *portdata;
struct usb_serial *serial = port->serial;
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 3c249d8e8b8e..8b312a05a353 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -623,8 +623,7 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
/* open the serial port. do some usb system call. set termios and get the line
* status of the device. then submit the read urb */
-static int spcp8x5_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
@@ -658,8 +657,6 @@ static int spcp8x5_open(struct tty_struct *tty,
priv->line_status = status & 0xf0 ;
spin_unlock_irqrestore(&priv->lock, flags);
- /* FIXME: need to assert RTS and DTR if CRTSCTS off */
-
dbg("%s - submitting read urb", __func__);
port->read_urb->dev = serial->dev;
ret = usb_submit_urb(port->read_urb, GFP_KERNEL);
diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c
index 6157fac9366b..cb7e95f9fcbf 100644
--- a/drivers/usb/serial/symbolserial.c
+++ b/drivers/usb/serial/symbolserial.c
@@ -124,8 +124,7 @@ exit:
spin_unlock(&priv->lock);
}
-static int symbol_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp)
+static int symbol_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct symbol_private *priv = usb_get_serial_data(port->serial);
unsigned long flags;
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 3bc609fe2242..1e9dc8821698 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -98,8 +98,7 @@ struct ti_device {
static int ti_startup(struct usb_serial *serial);
static void ti_release(struct usb_serial *serial);
-static int ti_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *file);
+static int ti_open(struct tty_struct *tty, struct usb_serial_port *port);
static void ti_close(struct usb_serial_port *port);
static int ti_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *data, int count);
@@ -492,8 +491,7 @@ static void ti_release(struct usb_serial *serial)
}
-static int ti_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *file)
+static int ti_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct ti_port *tport = usb_get_serial_port_data(port);
struct ti_device *tdev;
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 31c7a0939b98..3dda6841e724 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -244,7 +244,7 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
/* only call the device specific open if this
* is the first time the port is opened */
- retval = serial->type->open(tty, port, filp);
+ retval = serial->type->open(tty, port);
if (retval)
goto bailout_interface_put;
mutex_unlock(&serial->disc_mutex);
diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
index 614800972dc3..7b5bfc4edd3d 100644
--- a/drivers/usb/serial/usb_debug.c
+++ b/drivers/usb/serial/usb_debug.c
@@ -43,11 +43,10 @@ static struct usb_driver debug_driver = {
.no_dynamic_id = 1,
};
-static int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp)
+static int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port)
{
port->bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE;
- return usb_serial_generic_open(tty, port, filp);
+ return usb_serial_generic_open(tty, port);
}
/* This HW really does not support a serial break, so one will be
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index f5d0f64dcc52..1aa5d20a5d99 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -36,8 +36,7 @@
#define DRIVER_DESC "USB HandSpring Visor / Palm OS driver"
/* function prototypes for a handspring visor */
-static int visor_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp);
+static int visor_open(struct tty_struct *tty, struct usb_serial_port *port);
static void visor_close(struct usb_serial_port *port);
static int visor_write(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count);
@@ -273,8 +272,7 @@ static int stats;
/******************************************************************************
* Handspring Visor specific driver functions
******************************************************************************/
-static int visor_open(struct tty_struct *tty, struct usb_serial_port *port,
- struct file *filp)
+static int visor_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
struct visor_private *priv = usb_get_serial_port_data(port);
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 8d126dd7a02e..81f2ae505966 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -146,7 +146,7 @@ static int whiteheat_firmware_attach(struct usb_serial *serial);
static int whiteheat_attach(struct usb_serial *serial);
static void whiteheat_release(struct usb_serial *serial);
static int whiteheat_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+ struct usb_serial_port *port);
static void whiteheat_close(struct usb_serial_port *port);
static int whiteheat_write(struct tty_struct *tty,
struct usb_serial_port *port,
@@ -659,8 +659,7 @@ static void whiteheat_release(struct usb_serial *serial)
return;
}
-static int whiteheat_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp)
+static int whiteheat_open(struct tty_struct *tty, struct usb_serial_port *port)
{
int retval = 0;
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 0ec50ba62139..1cbaf4a6b449 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -238,9 +238,8 @@ struct usb_serial_driver {
int (*resume)(struct usb_serial *serial);
/* serial function calls */
- /* Called by console with tty = NULL and by tty */
- int (*open)(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+ /* Called by console and by the tty layer */
+ int (*open)(struct tty_struct *tty, struct usb_serial_port *port);
void (*close)(struct usb_serial_port *port);
int (*write)(struct tty_struct *tty, struct usb_serial_port *port,
const unsigned char *buf, int count);
@@ -300,7 +299,7 @@ static inline void usb_serial_console_disconnect(struct usb_serial *serial) {}
extern struct usb_serial *usb_serial_get_by_index(unsigned int minor);
extern void usb_serial_put(struct usb_serial *serial);
extern int usb_serial_generic_open(struct tty_struct *tty,
- struct usb_serial_port *port, struct file *filp);
+ struct usb_serial_port *port);
extern int usb_serial_generic_write(struct tty_struct *tty,
struct usb_serial_port *port, const unsigned char *buf, int count);
extern void usb_serial_generic_close(struct usb_serial_port *port);
--
GitLab
From 11d85d7b2ecc72fe752bba55389e7d11907528af Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:27 -0700
Subject: [PATCH 690/742] isicom: split the open method for the isicom device
Again moving towards being able to add a common open method
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
drivers/char/isicom.c | 32 ++++++++++++++++++++++++--------
1 file changed, 24 insertions(+), 8 deletions(-)
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 08f574333a57..426bfdd7f3e0 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -846,37 +846,53 @@ static int isicom_carrier_raised(struct tty_port *port)
return (ip->status & ISI_DCD)?1 : 0;
}
-static int isicom_open(struct tty_struct *tty, struct file *filp)
+static struct tty_port *isicom_find_port(struct tty_struct *tty)
{
struct isi_port *port;
struct isi_board *card;
unsigned int board;
- int error, line;
+ int line = tty->index;
- line = tty->index;
if (line < 0 || line > PORT_COUNT-1)
- return -ENODEV;
+ return NULL;
board = BOARD(line);
card = &isi_card[board];
if (!(card->status & FIRMWARE_LOADED))
- return -ENODEV;
+ return NULL;
/* open on a port greater than the port count for the card !!! */
if (line > ((board * 16) + card->port_count - 1))
- return -ENODEV;
+ return NULL;
port = &isi_ports[line];
if (isicom_paranoia_check(port, tty->name, "isicom_open"))
- return -ENODEV;
+ return NULL;
+
+ return &port->port;
+}
+
+static int isicom_open(struct tty_struct *tty, struct file *filp)
+{
+ struct isi_port *port;
+ struct isi_board *card;
+ struct tty_port *tport;
+ int error = 0;
+ tport = isicom_find_port(tty);
+ if (tport == NULL)
+ return -ENODEV;
+ port = container_of(tport, struct isi_port, port);
+ card = &isi_card[BOARD(tty->index)];
isicom_setup_board(card);
/* FIXME: locking on port.count etc */
port->port.count++;
tty->driver_data = port;
tty_port_tty_set(&port->port, tty);
- error = isicom_setup_port(tty);
+ /* FIXME: Locking on Initialized flag */
+ if (!test_bit(ASYNCB_INITIALIZED, &tport->flags))
+ error = isicom_setup_port(tty);
if (error == 0)
error = tty_port_block_til_ready(&port->port, tty, filp);
return error;
--
GitLab
From ebd2c8f6d2ec4012c267ecb95e72a57b8355a705 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:28 -0700
Subject: [PATCH 691/742] serial: kill off uart_info
We moved this into uart_state, now move the fields out of the separate
structure and kill it off.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
arch/mn10300/kernel/asm-offsets.c | 6 +-
drivers/serial/21285.c | 8 +-
drivers/serial/8250.c | 10 +-
drivers/serial/amba-pl010.c | 6 +-
drivers/serial/amba-pl011.c | 6 +-
drivers/serial/atmel_serial.c | 14 +-
drivers/serial/bfin_5xx.c | 20 +-
drivers/serial/bfin_sport_uart.c | 6 +-
drivers/serial/clps711x.c | 4 +-
drivers/serial/cpm_uart/cpm_uart_core.c | 2 +-
drivers/serial/dz.c | 6 +-
drivers/serial/icom.c | 16 +-
drivers/serial/imx.c | 16 +-
drivers/serial/ioc3_serial.c | 52 ++---
drivers/serial/ioc4_serial.c | 66 +++---
drivers/serial/ip22zilog.c | 14 +-
drivers/serial/jsm/jsm_neo.c | 2 +-
drivers/serial/jsm/jsm_tty.c | 20 +-
drivers/serial/m32r_sio.c | 6 +-
drivers/serial/max3100.c | 16 +-
drivers/serial/mcf.c | 4 +-
drivers/serial/mpc52xx_uart.c | 4 +-
drivers/serial/mpsc.c | 4 +-
drivers/serial/msm_serial.c | 6 +-
drivers/serial/mux.c | 4 +-
drivers/serial/netx-serial.c | 6 +-
drivers/serial/nwpserial.c | 4 +-
drivers/serial/pmac_zilog.c | 12 +-
drivers/serial/pnx8xxx_uart.c | 8 +-
drivers/serial/pxa.c | 6 +-
drivers/serial/sa1100.c | 8 +-
drivers/serial/samsung.c | 8 +-
drivers/serial/sb1250-duart.c | 6 +-
drivers/serial/sc26xx.c | 10 +-
drivers/serial/serial_core.c | 286 ++++++++++++------------
drivers/serial/serial_ks8695.c | 6 +-
drivers/serial/serial_lh7a40x.c | 6 +-
drivers/serial/serial_txx9.c | 4 +-
drivers/serial/sh-sci.c | 10 +-
drivers/serial/sn_console.c | 22 +-
drivers/serial/sunhv.c | 8 +-
drivers/serial/sunsab.c | 10 +-
drivers/serial/sunsu.c | 6 +-
drivers/serial/sunzilog.c | 14 +-
drivers/serial/timbuart.c | 10 +-
drivers/serial/uartlite.c | 6 +-
drivers/serial/ucc_uart.c | 4 +-
drivers/serial/vr41xx_siu.c | 6 +-
drivers/serial/zs.c | 6 +-
include/linux/serial_core.h | 64 +++---
50 files changed, 422 insertions(+), 432 deletions(-)
diff --git a/arch/mn10300/kernel/asm-offsets.c b/arch/mn10300/kernel/asm-offsets.c
index 2646fcbd7d89..82b40079ad76 100644
--- a/arch/mn10300/kernel/asm-offsets.c
+++ b/arch/mn10300/kernel/asm-offsets.c
@@ -95,7 +95,7 @@ void foo(void)
OFFSET(__iobase, mn10300_serial_port, _iobase);
DEFINE(__UART_XMIT_SIZE, UART_XMIT_SIZE);
- OFFSET(__xmit_buffer, uart_info, xmit.buf);
- OFFSET(__xmit_head, uart_info, xmit.head);
- OFFSET(__xmit_tail, uart_info, xmit.tail);
+ OFFSET(__xmit_buffer, uart_state, xmit.buf);
+ OFFSET(__xmit_head, uart_state, xmit.head);
+ OFFSET(__xmit_tail, uart_state, xmit.tail);
}
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c
index cb6d85d7ff43..1e3d19397a59 100644
--- a/drivers/serial/21285.c
+++ b/drivers/serial/21285.c
@@ -86,7 +86,7 @@ static void serial21285_enable_ms(struct uart_port *port)
static irqreturn_t serial21285_rx_chars(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned int status, ch, flag, rxs, max_count = 256;
status = *CSR_UARTFLG;
@@ -124,7 +124,7 @@ static irqreturn_t serial21285_rx_chars(int irq, void *dev_id)
static irqreturn_t serial21285_tx_chars(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
int count = 256;
if (port->x_char) {
@@ -235,8 +235,8 @@ serial21285_set_termios(struct uart_port *port, struct ktermios *termios,
baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
quot = uart_get_divisor(port, baud);
- if (port->info && port->info->port.tty) {
- struct tty_struct *tty = port->info->port.tty;
+ if (port->state && port->state->port.tty) {
+ struct tty_struct *tty = port->state->port.tty;
unsigned int b = port->uartclk / (16 * quot);
tty_encode_baud_rate(tty, b, b);
}
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 1fd4894d9b51..e415c5eca599 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1382,7 +1382,7 @@ static void serial8250_enable_ms(struct uart_port *port)
static void
receive_chars(struct uart_8250_port *up, unsigned int *status)
{
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned char ch, lsr = *status;
int max_count = 256;
char flag;
@@ -1457,7 +1457,7 @@ ignore_char:
static void transmit_chars(struct uart_8250_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int count;
if (up->port.x_char) {
@@ -1500,7 +1500,7 @@ static unsigned int check_modem_status(struct uart_8250_port *up)
status |= up->msr_saved_flags;
up->msr_saved_flags = 0;
if (status & UART_MSR_ANY_DELTA && up->ier & UART_IER_MSI &&
- up->port.info != NULL) {
+ up->port.state != NULL) {
if (status & UART_MSR_TERI)
up->port.icount.rng++;
if (status & UART_MSR_DDSR)
@@ -1510,7 +1510,7 @@ static unsigned int check_modem_status(struct uart_8250_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->delta_msr_wait);
}
return status;
@@ -1764,7 +1764,7 @@ static void serial8250_backup_timeout(unsigned long data)
up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS;
spin_unlock_irqrestore(&up->port.lock, flags);
if ((iir & UART_IIR_NO_INT) && (up->ier & UART_IER_THRI) &&
- (!uart_circ_empty(&up->port.info->xmit) || up->port.x_char) &&
+ (!uart_circ_empty(&up->port.state->xmit) || up->port.x_char) &&
(lsr & UART_LSR_THRE)) {
iir &= ~(UART_IIR_ID | UART_IIR_NO_INT);
iir |= UART_IIR_THRI;
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 58a4879c7e48..39032413d4a1 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -117,7 +117,7 @@ static void pl010_enable_ms(struct uart_port *port)
static void pl010_rx_chars(struct uart_amba_port *uap)
{
- struct tty_struct *tty = uap->port.info->port.tty;
+ struct tty_struct *tty = uap->port.state->port.tty;
unsigned int status, ch, flag, rsr, max_count = 256;
status = readb(uap->port.membase + UART01x_FR);
@@ -172,7 +172,7 @@ static void pl010_rx_chars(struct uart_amba_port *uap)
static void pl010_tx_chars(struct uart_amba_port *uap)
{
- struct circ_buf *xmit = &uap->port.info->xmit;
+ struct circ_buf *xmit = &uap->port.state->xmit;
int count;
if (uap->port.x_char) {
@@ -225,7 +225,7 @@ static void pl010_modem_status(struct uart_amba_port *uap)
if (delta & UART01x_FR_CTS)
uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);
- wake_up_interruptible(&uap->port.info->delta_msr_wait);
+ wake_up_interruptible(&uap->port.state->delta_msr_wait);
}
static irqreturn_t pl010_int(int irq, void *dev_id)
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 72ba0c6d3551..ef82a34baf0f 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -124,7 +124,7 @@ static void pl011_enable_ms(struct uart_port *port)
static void pl011_rx_chars(struct uart_amba_port *uap)
{
- struct tty_struct *tty = uap->port.info->port.tty;
+ struct tty_struct *tty = uap->port.state->port.tty;
unsigned int status, ch, flag, max_count = 256;
status = readw(uap->port.membase + UART01x_FR);
@@ -175,7 +175,7 @@ static void pl011_rx_chars(struct uart_amba_port *uap)
static void pl011_tx_chars(struct uart_amba_port *uap)
{
- struct circ_buf *xmit = &uap->port.info->xmit;
+ struct circ_buf *xmit = &uap->port.state->xmit;
int count;
if (uap->port.x_char) {
@@ -226,7 +226,7 @@ static void pl011_modem_status(struct uart_amba_port *uap)
if (delta & UART01x_FR_CTS)
uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);
- wake_up_interruptible(&uap->port.info->delta_msr_wait);
+ wake_up_interruptible(&uap->port.state->delta_msr_wait);
}
static irqreturn_t pl011_int(int irq, void *dev_id)
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 607d43a31048..963e3c12af41 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -427,7 +427,7 @@ static void atmel_rx_chars(struct uart_port *port)
*/
static void atmel_tx_chars(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (port->x_char && UART_GET_CSR(port) & ATMEL_US_TXRDY) {
UART_PUT_CHAR(port, port->x_char);
@@ -560,7 +560,7 @@ static irqreturn_t atmel_interrupt(int irq, void *dev_id)
static void atmel_tx_dma(struct uart_port *port)
{
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx;
int count;
@@ -663,14 +663,14 @@ static void atmel_rx_from_ring(struct uart_port *port)
* uart_start(), which takes the lock.
*/
spin_unlock(&port->lock);
- tty_flip_buffer_push(port->info->port.tty);
+ tty_flip_buffer_push(port->state->port.tty);
spin_lock(&port->lock);
}
static void atmel_rx_from_dma(struct uart_port *port)
{
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
struct atmel_dma_buffer *pdc;
int rx_idx = atmel_port->pdc_rx_idx;
unsigned int head;
@@ -776,7 +776,7 @@ static void atmel_tasklet_func(unsigned long data)
if (status_change & ATMEL_US_CTS)
uart_handle_cts_change(port, !(status & ATMEL_US_CTS));
- wake_up_interruptible(&port->info->delta_msr_wait);
+ wake_up_interruptible(&port->state->delta_msr_wait);
atmel_port->irq_status_prev = status;
}
@@ -795,7 +795,7 @@ static void atmel_tasklet_func(unsigned long data)
static int atmel_startup(struct uart_port *port)
{
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
int retval;
/*
@@ -854,7 +854,7 @@ static int atmel_startup(struct uart_port *port)
}
if (atmel_use_dma_tx(port)) {
struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
pdc->buf = xmit->buf;
pdc->dma_addr = dma_map_single(port->dev,
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 4fff4e524034..50abb7e557f4 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -144,7 +144,7 @@ static void bfin_serial_stop_tx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
#ifdef CONFIG_SERIAL_BFIN_DMA
- struct circ_buf *xmit = &uart->port.info->xmit;
+ struct circ_buf *xmit = &uart->port.state->xmit;
#endif
while (!(UART_GET_LSR(uart) & TEMT))
@@ -171,7 +171,7 @@ static void bfin_serial_stop_tx(struct uart_port *port)
static void bfin_serial_start_tx(struct uart_port *port)
{
struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
- struct tty_struct *tty = uart->port.info->port.tty;
+ struct tty_struct *tty = uart->port.state->port.tty;
#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
if (uart->scts && !(bfin_serial_get_mctrl(&uart->port) & TIOCM_CTS)) {
@@ -243,10 +243,10 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
return;
}
- if (!uart->port.info || !uart->port.info->port.tty)
+ if (!uart->port.state || !uart->port.state->port.tty)
return;
#endif
- tty = uart->port.info->port.tty;
+ tty = uart->port.state->port.tty;
if (ANOMALY_05000363) {
/* The BF533 (and BF561) family of processors have a nice anomaly
@@ -331,7 +331,7 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
static void bfin_serial_tx_chars(struct bfin_serial_port *uart)
{
- struct circ_buf *xmit = &uart->port.info->xmit;
+ struct circ_buf *xmit = &uart->port.state->xmit;
if (uart_circ_empty(xmit) || uart_tx_stopped(&uart->port)) {
#ifdef CONFIG_BF54x
@@ -398,7 +398,7 @@ static irqreturn_t bfin_serial_tx_int(int irq, void *dev_id)
#ifdef CONFIG_SERIAL_BFIN_DMA
static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
{
- struct circ_buf *xmit = &uart->port.info->xmit;
+ struct circ_buf *xmit = &uart->port.state->xmit;
uart->tx_done = 0;
@@ -436,7 +436,7 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
{
- struct tty_struct *tty = uart->port.info->port.tty;
+ struct tty_struct *tty = uart->port.state->port.tty;
int i, flg, status;
status = UART_GET_LSR(uart);
@@ -529,7 +529,7 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)
static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id)
{
struct bfin_serial_port *uart = dev_id;
- struct circ_buf *xmit = &uart->port.info->xmit;
+ struct circ_buf *xmit = &uart->port.state->xmit;
#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
if (uart->scts && !(bfin_serial_get_mctrl(&uart->port)&TIOCM_CTS)) {
@@ -965,10 +965,10 @@ static void bfin_serial_set_ldisc(struct uart_port *port)
int line = port->line;
unsigned short val;
- if (line >= port->info->port.tty->driver->num)
+ if (line >= port->state->port.tty->driver->num)
return;
- switch (port->info->port.tty->termios->c_line) {
+ switch (port->state->port.tty->termios->c_line) {
case N_IRDA:
val = UART_GET_GCTL(&bfin_serial_ports[line]);
val |= (IREN | RPOLC);
diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index c108b1a0ce98..088bb35475f1 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -178,7 +178,7 @@ static int sport_uart_setup(struct sport_uart_port *up, int sclk, int baud_rate)
static irqreturn_t sport_uart_rx_irq(int irq, void *dev_id)
{
struct sport_uart_port *up = dev_id;
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned int ch;
do {
@@ -205,7 +205,7 @@ static irqreturn_t sport_uart_tx_irq(int irq, void *dev_id)
static irqreturn_t sport_uart_err_irq(int irq, void *dev_id)
{
struct sport_uart_port *up = dev_id;
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned int stat = SPORT_GET_STAT(up);
/* Overflow in RX FIFO */
@@ -290,7 +290,7 @@ fail1:
static void sport_uart_tx_chars(struct sport_uart_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
if (SPORT_GET_STAT(up) & TXF)
return;
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c
index 80e76426131d..b6acd19b458e 100644
--- a/drivers/serial/clps711x.c
+++ b/drivers/serial/clps711x.c
@@ -93,7 +93,7 @@ static void clps711xuart_enable_ms(struct uart_port *port)
static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned int status, ch, flg;
status = clps_readl(SYSFLG(port));
@@ -147,7 +147,7 @@ static irqreturn_t clps711xuart_int_rx(int irq, void *dev_id)
static irqreturn_t clps711xuart_int_tx(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
int count;
if (port->x_char) {
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index f8df0681e160..8d349b23249a 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -244,7 +244,7 @@ static void cpm_uart_int_rx(struct uart_port *port)
int i;
unsigned char ch;
u8 *cp;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
cbd_t __iomem *bdp;
u16 status;
diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index 6042b87797a1..57421d776329 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -197,7 +197,7 @@ static inline void dz_receive_chars(struct dz_mux *mux)
while ((status = dz_in(dport, DZ_RBUF)) & DZ_DVAL) {
dport = &mux->dport[LINE(status)];
uport = &dport->port;
- tty = uport->info->port.tty; /* point to the proper dev */
+ tty = uport->state->port.tty; /* point to the proper dev */
ch = UCHAR(status); /* grab the char */
flag = TTY_NORMAL;
@@ -249,7 +249,7 @@ static inline void dz_receive_chars(struct dz_mux *mux)
}
for (i = 0; i < DZ_NB_PORT; i++)
if (lines_rx[i])
- tty_flip_buffer_push(mux->dport[i].port.info->port.tty);
+ tty_flip_buffer_push(mux->dport[i].port.state->port.tty);
}
/*
@@ -268,7 +268,7 @@ static inline void dz_transmit_chars(struct dz_mux *mux)
status = dz_in(dport, DZ_CSR);
dport = &mux->dport[LINE(status)];
- xmit = &dport->port.info->xmit;
+ xmit = &dport->port.state->xmit;
if (dport->port.x_char) { /* XON/XOFF chars */
dz_out(dport, DZ_TDR, dport->port.x_char);
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index 060f4e3d54c5..f86c47e08a06 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -627,7 +627,7 @@ static int icom_write(struct uart_port *port)
unsigned long data_count;
unsigned char cmdReg;
unsigned long offset;
- int temp_tail = port->info->xmit.tail;
+ int temp_tail = port->state->xmit.tail;
trace(ICOM_PORT, "WRITE", 0);
@@ -638,11 +638,11 @@ static int icom_write(struct uart_port *port)
}
data_count = 0;
- while ((port->info->xmit.head != temp_tail) &&
+ while ((port->state->xmit.head != temp_tail) &&
(data_count <= XMIT_BUFF_SZ)) {
ICOM_PORT->xmit_buf[data_count++] =
- port->info->xmit.buf[temp_tail];
+ port->state->xmit.buf[temp_tail];
temp_tail++;
temp_tail &= (UART_XMIT_SIZE - 1);
@@ -694,7 +694,7 @@ static inline void check_modem_status(struct icom_port *icom_port)
uart_handle_cts_change(&icom_port->uart_port,
delta_status & ICOM_CTS);
- wake_up_interruptible(&icom_port->uart_port.info->
+ wake_up_interruptible(&icom_port->uart_port.state->
delta_msr_wait);
old_status = status;
}
@@ -718,10 +718,10 @@ static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port)
icom_port->uart_port.icount.tx += count;
for (i=0; i<count &&
- !uart_circ_empty(&icom_port->uart_port.info->xmit); i++) {
+ !uart_circ_empty(&icom_port->uart_port.state->xmit); i++) {
- icom_port->uart_port.info->xmit.tail++;
- icom_port->uart_port.info->xmit.tail &=
+ icom_port->uart_port.state->xmit.tail++;
+ icom_port->uart_port.state->xmit.tail &=
(UART_XMIT_SIZE - 1);
}
@@ -735,7 +735,7 @@ static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port)
static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
{
short int count, rcv_buff;
- struct tty_struct *tty = icom_port->uart_port.info->port.tty;
+ struct tty_struct *tty = icom_port->uart_port.state->port.tty;
unsigned short int status;
struct uart_icount *icount;
unsigned long offset;
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 7485afd0df4c..1febeafcb97a 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -224,7 +224,7 @@ static void imx_mctrl_check(struct imx_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
- wake_up_interruptible(&sport->port.info->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->delta_msr_wait);
}
/*
@@ -236,7 +236,7 @@ static void imx_timeout(unsigned long data)
struct imx_port *sport = (struct imx_port *)data;
unsigned long flags;
- if (sport->port.info) {
+ if (sport->port.state) {
spin_lock_irqsave(&sport->port.lock, flags);
imx_mctrl_check(sport);
spin_unlock_irqrestore(&sport->port.lock, flags);
@@ -323,7 +323,7 @@ static void imx_enable_ms(struct uart_port *port)
static inline void imx_transmit_buffer(struct imx_port *sport)
{
- struct circ_buf *xmit = &sport->port.info->xmit;
+ struct circ_buf *xmit = &sport->port.state->xmit;
while (!(readl(sport->port.membase + UTS) & UTS_TXFULL)) {
/* send xmit->buf[xmit->tail]
@@ -388,7 +388,7 @@ static irqreturn_t imx_rtsint(int irq, void *dev_id)
writel(USR1_RTSD, sport->port.membase + USR1);
uart_handle_cts_change(&sport->port, !!val);
- wake_up_interruptible(&sport->port.info->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->delta_msr_wait);
spin_unlock_irqrestore(&sport->port.lock, flags);
return IRQ_HANDLED;
@@ -397,7 +397,7 @@ static irqreturn_t imx_rtsint(int irq, void *dev_id)
static irqreturn_t imx_txint(int irq, void *dev_id)
{
struct imx_port *sport = dev_id;
- struct circ_buf *xmit = &sport->port.info->xmit;
+ struct circ_buf *xmit = &sport->port.state->xmit;
unsigned long flags;
spin_lock_irqsave(&sport->port.lock,flags);
@@ -427,7 +427,7 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
{
struct imx_port *sport = dev_id;
unsigned int rx,flg,ignored = 0;
- struct tty_struct *tty = sport->port.info->port.tty;
+ struct tty_struct *tty = sport->port.state->port.tty;
unsigned long flags, temp;
spin_lock_irqsave(&sport->port.lock,flags);
@@ -900,11 +900,11 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios,
rational_best_approximation(16 * div * baud, sport->port.uartclk,
1 << 16, 1 << 16, &num, &denom);
- if (port->info && port->info->port.tty) {
+ if (port->state && port->state->port.tty) {
tdiv64 = sport->port.uartclk;
tdiv64 *= num;
do_div(tdiv64, denom * 16 * div);
- tty_encode_baud_rate(sport->port.info->port.tty,
+ tty_encode_baud_rate(sport->port.state->port.tty,
(speed_t)tdiv64, (speed_t)tdiv64);
}
diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c
index ae3699d77dd0..de4ab1bfee8d 100644
--- a/drivers/serial/ioc3_serial.c
+++ b/drivers/serial/ioc3_serial.c
@@ -897,25 +897,25 @@ static void transmit_chars(struct uart_port *the_port)
char *start;
struct tty_struct *tty;
struct ioc3_port *port = get_ioc3_port(the_port);
- struct uart_info *info;
+ struct uart_state *state;
if (!the_port)
return;
if (!port)
return;
- info = the_port->info;
- tty = info->port.tty;
+ state = the_port->state;
+ tty = state->port.tty;
- if (uart_circ_empty(&info->xmit) || uart_tx_stopped(the_port)) {
+ if (uart_circ_empty(&state->xmit) || uart_tx_stopped(the_port)) {
/* Nothing to do or hw stopped */
set_notification(port, N_ALL_OUTPUT, 0);
return;
}
- head = info->xmit.head;
- tail = info->xmit.tail;
- start = (char *)&info->xmit.buf[tail];
+ head = state->xmit.head;
+ tail = state->xmit.tail;
+ start = (char *)&state->xmit.buf[tail];
/* write out all the data or until the end of the buffer */
xmit_count = (head < tail) ? (UART_XMIT_SIZE - tail) : (head - tail);
@@ -928,14 +928,14 @@ static void transmit_chars(struct uart_port *the_port)
/* advance the pointers */
tail += result;
tail &= UART_XMIT_SIZE - 1;
- info->xmit.tail = tail;
- start = (char *)&info->xmit.buf[tail];
+ state->xmit.tail = tail;
+ start = (char *)&state->xmit.buf[tail];
}
}
- if (uart_circ_chars_pending(&info->xmit) < WAKEUP_CHARS)
+ if (uart_circ_chars_pending(&state->xmit) < WAKEUP_CHARS)
uart_write_wakeup(the_port);
- if (uart_circ_empty(&info->xmit)) {
+ if (uart_circ_empty(&state->xmit)) {
set_notification(port, N_OUTPUT_LOWAT, 0);
} else {
set_notification(port, N_OUTPUT_LOWAT, 1);
@@ -956,7 +956,7 @@ ioc3_change_speed(struct uart_port *the_port,
unsigned int cflag;
int baud;
int new_parity = 0, new_parity_enable = 0, new_stop = 0, new_data = 8;
- struct uart_info *info = the_port->info;
+ struct uart_state *state = the_port->state;
cflag = new_termios->c_cflag;
@@ -997,14 +997,14 @@ ioc3_change_speed(struct uart_port *the_port,
the_port->ignore_status_mask = N_ALL_INPUT;
- info->port.tty->low_latency = 1;
+ state->port.tty->low_latency = 1;
- if (I_IGNPAR(info->port.tty))
+ if (I_IGNPAR(state->port.tty))
the_port->ignore_status_mask &= ~(N_PARITY_ERROR
| N_FRAMING_ERROR);
- if (I_IGNBRK(info->port.tty)) {
+ if (I_IGNBRK(state->port.tty)) {
the_port->ignore_status_mask &= ~N_BREAK;
- if (I_IGNPAR(info->port.tty))
+ if (I_IGNPAR(state->port.tty))
the_port->ignore_status_mask &= ~N_OVERRUN_ERROR;
}
if (!(cflag & CREAD)) {
@@ -1286,7 +1286,7 @@ static inline int do_read(struct uart_port *the_port, char *buf, int len)
uart_handle_dcd_change
(port->ip_port, 0);
wake_up_interruptible
- (&the_port->info->
+ (&the_port->state->
delta_msr_wait);
}
@@ -1392,21 +1392,21 @@ static int receive_chars(struct uart_port *the_port)
struct tty_struct *tty;
unsigned char ch[MAX_CHARS];
int read_count = 0, read_room, flip = 0;
- struct uart_info *info = the_port->info;
+ struct uart_state *state = the_port->state;
struct ioc3_port *port = get_ioc3_port(the_port);
unsigned long pflags;
/* Make sure all the pointers are "good" ones */
- if (!info)
+ if (!state)
return 0;
- if (!info->port.tty)
+ if (!state->port.tty)
return 0;
if (!(port->ip_flags & INPUT_ENABLE))
return 0;
spin_lock_irqsave(&the_port->lock, pflags);
- tty = info->port.tty;
+ tty = state->port.tty;
read_count = do_read(the_port, ch, MAX_CHARS);
if (read_count > 0) {
@@ -1491,7 +1491,7 @@ ioc3uart_intr_one(struct ioc3_submodule *is,
uart_handle_dcd_change(the_port,
shadow & SHADOW_DCD);
wake_up_interruptible
- (&the_port->info->delta_msr_wait);
+ (&the_port->state->delta_msr_wait);
} else if ((port->ip_notify & N_DDCD)
&& !(shadow & SHADOW_DCD)) {
/* Flag delta DCD/no DCD */
@@ -1511,7 +1511,7 @@ ioc3uart_intr_one(struct ioc3_submodule *is,
uart_handle_cts_change(the_port, shadow
& SHADOW_CTS);
wake_up_interruptible
- (&the_port->info->delta_msr_wait);
+ (&the_port->state->delta_msr_wait);
}
}
@@ -1721,14 +1721,14 @@ static void ic3_shutdown(struct uart_port *the_port)
{
unsigned long port_flags;
struct ioc3_port *port;
- struct uart_info *info;
+ struct uart_state *state;
port = get_ioc3_port(the_port);
if (!port)
return;
- info = the_port->info;
- wake_up_interruptible(&info->delta_msr_wait);
+ state = the_port->state;
+ wake_up_interruptible(&state->delta_msr_wait);
spin_lock_irqsave(&the_port->lock, port_flags);
set_notification(port, N_ALL, 0);
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index e5c58fe7e745..2055d323f15f 100644
--- a/drivers/serial/ioc4_serial.c
+++ b/drivers/serial/ioc4_serial.c
@@ -1627,25 +1627,25 @@ static void transmit_chars(struct uart_port *the_port)
char *start;
struct tty_struct *tty;
struct ioc4_port *port = get_ioc4_port(the_port, 0);
- struct uart_info *info;
+ struct uart_state *state;
if (!the_port)
return;
if (!port)
return;
- info = the_port->info;
- tty = info->port.tty;
+ state = the_port->state;
+ tty = state->port.tty;
- if (uart_circ_empty(&info->xmit) || uart_tx_stopped(the_port)) {
+ if (uart_circ_empty(&state->xmit) || uart_tx_stopped(the_port)) {
/* Nothing to do or hw stopped */
set_notification(port, N_ALL_OUTPUT, 0);
return;
}
- head = info->xmit.head;
- tail = info->xmit.tail;
- start = (char *)&info->xmit.buf[tail];
+ head = state->xmit.head;
+ tail = state->xmit.tail;
+ start = (char *)&state->xmit.buf[tail];
/* write out all the data or until the end of the buffer */
xmit_count = (head < tail) ? (UART_XMIT_SIZE - tail) : (head - tail);
@@ -1658,14 +1658,14 @@ static void transmit_chars(struct uart_port *the_port)
/* advance the pointers */
tail += result;
tail &= UART_XMIT_SIZE - 1;
- info->xmit.tail = tail;
- start = (char *)&info->xmit.buf[tail];
+ state->xmit.tail = tail;
+ start = (char *)&state->xmit.buf[tail];
}
}
- if (uart_circ_chars_pending(&info->xmit) < WAKEUP_CHARS)
+ if (uart_circ_chars_pending(&state->xmit) < WAKEUP_CHARS)
uart_write_wakeup(the_port);
- if (uart_circ_empty(&info->xmit)) {
+ if (uart_circ_empty(&state->xmit)) {
set_notification(port, N_OUTPUT_LOWAT, 0);
} else {
set_notification(port, N_OUTPUT_LOWAT, 1);
@@ -1686,7 +1686,7 @@ ioc4_change_speed(struct uart_port *the_port,
int baud, bits;
unsigned cflag;
int new_parity = 0, new_parity_enable = 0, new_stop = 0, new_data = 8;
- struct uart_info *info = the_port->info;
+ struct uart_state *state = the_port->state;
cflag = new_termios->c_cflag;
@@ -1738,14 +1738,14 @@ ioc4_change_speed(struct uart_port *the_port,
the_port->ignore_status_mask = N_ALL_INPUT;
- info->port.tty->low_latency = 1;
+ state->port.tty->low_latency = 1;
- if (I_IGNPAR(info->port.tty))
+ if (I_IGNPAR(state->port.tty))
the_port->ignore_status_mask &= ~(N_PARITY_ERROR
| N_FRAMING_ERROR);
- if (I_IGNBRK(info->port.tty)) {
+ if (I_IGNBRK(state->port.tty)) {
the_port->ignore_status_mask &= ~N_BREAK;
- if (I_IGNPAR(info->port.tty))
+ if (I_IGNPAR(state->port.tty))
the_port->ignore_status_mask &= ~N_OVERRUN_ERROR;
}
if (!(cflag & CREAD)) {
@@ -1784,7 +1784,7 @@ ioc4_change_speed(struct uart_port *the_port,
static inline int ic4_startup_local(struct uart_port *the_port)
{
struct ioc4_port *port;
- struct uart_info *info;
+ struct uart_state *state;
if (!the_port)
return -1;
@@ -1793,7 +1793,7 @@ static inline int ic4_startup_local(struct uart_port *the_port)
if (!port)
return -1;
- info = the_port->info;
+ state = the_port->state;
local_open(port);
@@ -1801,7 +1801,7 @@ static inline int ic4_startup_local(struct uart_port *the_port)
ioc4_set_proto(port, the_port->mapbase);
/* set the speed of the serial port */
- ioc4_change_speed(the_port, info->port.tty->termios,
+ ioc4_change_speed(the_port, state->port.tty->termios,
(struct ktermios *)0);
return 0;
@@ -1882,7 +1882,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
the_port = port->ip_port;
the_port->icount.dcd = 1;
wake_up_interruptible
- (&the_port-> info->delta_msr_wait);
+ (&the_port->state->delta_msr_wait);
} else if ((port->ip_notify & N_DDCD)
&& !(shadow & IOC4_SHADOW_DCD)) {
/* Flag delta DCD/no DCD */
@@ -1904,7 +1904,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
the_port->icount.cts =
(shadow & IOC4_SHADOW_CTS) ? 1 : 0;
wake_up_interruptible
- (&the_port->info->delta_msr_wait);
+ (&the_port->state->delta_msr_wait);
}
}
@@ -2236,7 +2236,7 @@ static inline int do_read(struct uart_port *the_port, unsigned char *buf,
&& port->ip_port) {
the_port->icount.dcd = 0;
wake_up_interruptible
- (&the_port->info->
+ (&the_port->state->
delta_msr_wait);
}
@@ -2341,17 +2341,17 @@ static void receive_chars(struct uart_port *the_port)
unsigned char ch[IOC4_MAX_CHARS];
int read_count, request_count = IOC4_MAX_CHARS;
struct uart_icount *icount;
- struct uart_info *info = the_port->info;
+ struct uart_state *state = the_port->state;
unsigned long pflags;
/* Make sure all the pointers are "good" ones */
- if (!info)
+ if (!state)
return;
- if (!info->port.tty)
+ if (!state->port.tty)
return;
spin_lock_irqsave(&the_port->lock, pflags);
- tty = info->port.tty;
+ tty = state->port.tty;
request_count = tty_buffer_request_room(tty, IOC4_MAX_CHARS);
@@ -2430,19 +2430,19 @@ static void ic4_shutdown(struct uart_port *the_port)
{
unsigned long port_flags;
struct ioc4_port *port;
- struct uart_info *info;
+ struct uart_state *state;
port = get_ioc4_port(the_port, 0);
if (!port)
return;
- info = the_port->info;
+ state = the_port->state;
port->ip_port = NULL;
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&state->delta_msr_wait);
- if (info->port.tty)
- set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ if (state->port.tty)
+ set_bit(TTY_IO_ERROR, &state->port.tty->flags);
spin_lock_irqsave(&the_port->lock, port_flags);
set_notification(port, N_ALL, 0);
@@ -2538,7 +2538,7 @@ static int ic4_startup(struct uart_port *the_port)
int retval;
struct ioc4_port *port;
struct ioc4_control *control;
- struct uart_info *info;
+ struct uart_state *state;
unsigned long port_flags;
if (!the_port)
@@ -2546,7 +2546,7 @@ static int ic4_startup(struct uart_port *the_port)
port = get_ioc4_port(the_port, 1);
if (!port)
return -ENODEV;
- info = the_port->info;
+ state = the_port->state;
control = port->ip_control;
if (!control) {
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index 0d9acbd0bb70..2e847deb41dc 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -256,9 +256,9 @@ static struct tty_struct *ip22zilog_receive_chars(struct uart_ip22zilog_port *up
unsigned int r1;
tty = NULL;
- if (up->port.info != NULL &&
- up->port.info->port.tty != NULL)
- tty = up->port.info->port.tty;
+ if (up->port.state != NULL &&
+ up->port.state->port.tty != NULL)
+ tty = up->port.state->port.tty;
for (;;) {
ch = readb(&channel->control);
@@ -354,7 +354,7 @@ static void ip22zilog_status_handle(struct uart_ip22zilog_port *up,
uart_handle_cts_change(&up->port,
(status & CTS));
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->delta_msr_wait);
}
up->prev_status = status;
@@ -404,9 +404,9 @@ static void ip22zilog_transmit_chars(struct uart_ip22zilog_port *up,
return;
}
- if (up->port.info == NULL)
+ if (up->port.state == NULL)
goto ack_tx_int;
- xmit = &up->port.info->xmit;
+ xmit = &up->port.state->xmit;
if (uart_circ_empty(xmit))
goto ack_tx_int;
if (uart_tx_stopped(&up->port))
@@ -607,7 +607,7 @@ static void ip22zilog_start_tx(struct uart_port *port)
port->icount.tx++;
port->x_char = 0;
} else {
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
writeb(xmit->buf[xmit->tail], &channel->data);
ZSDELAY();
diff --git a/drivers/serial/jsm/jsm_neo.c b/drivers/serial/jsm/jsm_neo.c
index 9dadaa11d266..b4b124e4828f 100644
--- a/drivers/serial/jsm/jsm_neo.c
+++ b/drivers/serial/jsm/jsm_neo.c
@@ -989,7 +989,7 @@ static void neo_param(struct jsm_channel *ch)
{ 50, B50 },
};
- cflag = C_BAUD(ch->uart_port.info->port.tty);
+ cflag = C_BAUD(ch->uart_port.state->port.tty);
baud = 9600;
for (i = 0; i < ARRAY_SIZE(baud_rates); i++) {
if (baud_rates[i].cflag == cflag) {
diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c
index 00f4577d2f7f..7439c0373620 100644
--- a/drivers/serial/jsm/jsm_tty.c
+++ b/drivers/serial/jsm/jsm_tty.c
@@ -147,7 +147,7 @@ static void jsm_tty_send_xchar(struct uart_port *port, char ch)
struct ktermios *termios;
spin_lock_irqsave(&port->lock, lock_flags);
- termios = port->info->port.tty->termios;
+ termios = port->state->port.tty->termios;
if (ch == termios->c_cc[VSTART])
channel->ch_bd->bd_ops->send_start_character(channel);
@@ -245,7 +245,7 @@ static int jsm_tty_open(struct uart_port *port)
channel->ch_cached_lsr = 0;
channel->ch_stops_sent = 0;
- termios = port->info->port.tty->termios;
+ termios = port->state->port.tty->termios;
channel->ch_c_cflag = termios->c_cflag;
channel->ch_c_iflag = termios->c_iflag;
channel->ch_c_oflag = termios->c_oflag;
@@ -278,7 +278,7 @@ static void jsm_tty_close(struct uart_port *port)
jsm_printk(CLOSE, INFO, &channel->ch_bd->pci_dev, "start\n");
bd = channel->ch_bd;
- ts = port->info->port.tty->termios;
+ ts = port->state->port.tty->termios;
channel->ch_flags &= ~(CH_STOPI);
@@ -530,7 +530,7 @@ void jsm_input(struct jsm_channel *ch)
if (!ch)
return;
- tp = ch->uart_port.info->port.tty;
+ tp = ch->uart_port.state->port.tty;
bd = ch->ch_bd;
if(!bd)
@@ -849,7 +849,7 @@ int jsm_tty_write(struct uart_port *port)
u16 tail;
u16 tmask;
u32 remain;
- int temp_tail = port->info->xmit.tail;
+ int temp_tail = port->state->xmit.tail;
struct jsm_channel *channel = (struct jsm_channel *)port;
tmask = WQUEUEMASK;
@@ -865,10 +865,10 @@ int jsm_tty_write(struct uart_port *port)
data_count = 0;
if (bufcount >= remain) {
bufcount -= remain;
- while ((port->info->xmit.head != temp_tail) &&
+ while ((port->state->xmit.head != temp_tail) &&
(data_count < remain)) {
channel->ch_wqueue[head++] =
- port->info->xmit.buf[temp_tail];
+ port->state->xmit.buf[temp_tail];
temp_tail++;
temp_tail &= (UART_XMIT_SIZE - 1);
@@ -880,10 +880,10 @@ int jsm_tty_write(struct uart_port *port)
data_count1 = 0;
if (bufcount > 0) {
remain = bufcount;
- while ((port->info->xmit.head != temp_tail) &&
+ while ((port->state->xmit.head != temp_tail) &&
(data_count1 < remain)) {
channel->ch_wqueue[head++] =
- port->info->xmit.buf[temp_tail];
+ port->state->xmit.buf[temp_tail];
temp_tail++;
temp_tail &= (UART_XMIT_SIZE - 1);
@@ -892,7 +892,7 @@ int jsm_tty_write(struct uart_port *port)
}
}
- port->info->xmit.tail = temp_tail;
+ port->state->xmit.tail = temp_tail;
data_count += data_count1;
if (data_count) {
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index 611c97a15654..bea5c215460c 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -286,7 +286,7 @@ static void m32r_sio_start_tx(struct uart_port *port)
{
#ifdef CONFIG_SERIAL_M32R_PLDSIO
struct uart_sio_port *up = (struct uart_sio_port *)port;
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
if (!(up->ier & UART_IER_THRI)) {
up->ier |= UART_IER_THRI;
@@ -325,7 +325,7 @@ static void m32r_sio_enable_ms(struct uart_port *port)
static void receive_chars(struct uart_sio_port *up, int *status)
{
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned char ch;
unsigned char flag;
int max_count = 256;
@@ -398,7 +398,7 @@ static void receive_chars(struct uart_sio_port *up, int *status)
static void transmit_chars(struct uart_sio_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int count;
if (up->port.x_char) {
diff --git a/drivers/serial/max3100.c b/drivers/serial/max3100.c
index 9fd33e5622bd..75ab00631c41 100644
--- a/drivers/serial/max3100.c
+++ b/drivers/serial/max3100.c
@@ -184,7 +184,7 @@ static void max3100_timeout(unsigned long data)
{
struct max3100_port *s = (struct max3100_port *)data;
- if (s->port.info) {
+ if (s->port.state) {
max3100_dowork(s);
mod_timer(&s->timer, jiffies + s->poll_time);
}
@@ -261,7 +261,7 @@ static void max3100_work(struct work_struct *w)
int rxchars;
u16 tx, rx;
int conf, cconf, rts, crts;
- struct circ_buf *xmit = &s->port.info->xmit;
+ struct circ_buf *xmit = &s->port.state->xmit;
dev_dbg(&s->spi->dev, "%s\n", __func__);
@@ -307,8 +307,8 @@ static void max3100_work(struct work_struct *w)
}
}
- if (rxchars > 16 && s->port.info->port.tty != NULL) {
- tty_flip_buffer_push(s->port.info->port.tty);
+ if (rxchars > 16 && s->port.state->port.tty != NULL) {
+ tty_flip_buffer_push(s->port.state->port.tty);
rxchars = 0;
}
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
@@ -320,8 +320,8 @@ static void max3100_work(struct work_struct *w)
(!uart_circ_empty(xmit) &&
!uart_tx_stopped(&s->port))));
- if (rxchars > 0 && s->port.info->port.tty != NULL)
- tty_flip_buffer_push(s->port.info->port.tty);
+ if (rxchars > 0 && s->port.state->port.tty != NULL)
+ tty_flip_buffer_push(s->port.state->port.tty);
}
static irqreturn_t max3100_irq(int irqno, void *dev_id)
@@ -429,7 +429,7 @@ max3100_set_termios(struct uart_port *port, struct ktermios *termios,
int baud = 0;
unsigned cflag;
u32 param_new, param_mask, parity = 0;
- struct tty_struct *tty = s->port.info->port.tty;
+ struct tty_struct *tty = s->port.state->port.tty;
dev_dbg(&s->spi->dev, "%s\n", __func__);
if (!tty)
@@ -529,7 +529,7 @@ max3100_set_termios(struct uart_port *port, struct ktermios *termios,
MAX3100_STATUS_OE;
/* we are sending char from a workqueue so enable */
- s->port.info->port.tty->low_latency = 1;
+ s->port.state->port.tty->low_latency = 1;
if (s->poll_time > 0)
del_timer_sync(&s->timer);
diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index 0eefb07bebaf..b44382442bf1 100644
--- a/drivers/serial/mcf.c
+++ b/drivers/serial/mcf.c
@@ -323,7 +323,7 @@ static void mcf_rx_chars(struct mcf_uart *pp)
uart_insert_char(port, status, MCFUART_USR_RXOVERRUN, ch, flag);
}
- tty_flip_buffer_push(port->info->port.tty);
+ tty_flip_buffer_push(port->state->port.tty);
}
/****************************************************************************/
@@ -331,7 +331,7 @@ static void mcf_rx_chars(struct mcf_uart *pp)
static void mcf_tx_chars(struct mcf_uart *pp)
{
struct uart_port *port = &pp->port;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (port->x_char) {
/* Send special char - probably flow control */
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index abbd146c50d9..d7bcd074d383 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -745,7 +745,7 @@ static struct uart_ops mpc52xx_uart_ops = {
static inline int
mpc52xx_uart_int_rx_chars(struct uart_port *port)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned char ch, flag;
unsigned short status;
@@ -812,7 +812,7 @@ mpc52xx_uart_int_rx_chars(struct uart_port *port)
static inline int
mpc52xx_uart_int_tx_chars(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
/* Process out of band chars */
if (port->x_char) {
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
index 61d3ade5286c..b5496c28e60b 100644
--- a/drivers/serial/mpsc.c
+++ b/drivers/serial/mpsc.c
@@ -936,7 +936,7 @@ static int serial_polled;
static int mpsc_rx_intr(struct mpsc_port_info *pi)
{
struct mpsc_rx_desc *rxre;
- struct tty_struct *tty = pi->port.info->port.tty;
+ struct tty_struct *tty = pi->port.state->port.tty;
u32 cmdstat, bytes_in, i;
int rc = 0;
u8 *bp;
@@ -1109,7 +1109,7 @@ static void mpsc_setup_tx_desc(struct mpsc_port_info *pi, u32 count, u32 intr)
static void mpsc_copy_tx_data(struct mpsc_port_info *pi)
{
- struct circ_buf *xmit = &pi->port.info->xmit;
+ struct circ_buf *xmit = &pi->port.state->xmit;
u8 *bp;
u32 i;
diff --git a/drivers/serial/msm_serial.c b/drivers/serial/msm_serial.c
index f7c24baa1416..ff18d50c99c1 100644
--- a/drivers/serial/msm_serial.c
+++ b/drivers/serial/msm_serial.c
@@ -88,7 +88,7 @@ static void msm_enable_ms(struct uart_port *port)
static void handle_rx(struct uart_port *port)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned int sr;
/*
@@ -136,7 +136,7 @@ static void handle_rx(struct uart_port *port)
static void handle_tx(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
struct msm_port *msm_port = UART_TO_MSM(port);
int sent_tx;
@@ -169,7 +169,7 @@ static void handle_delta_cts(struct uart_port *port)
{
msm_write(port, UART_CR_CMD_RESET_CTS, UART_CR);
port->icount.cts++;
- wake_up_interruptible(&port->info->delta_msr_wait);
+ wake_up_interruptible(&port->state->delta_msr_wait);
}
static irqreturn_t msm_irq(int irq, void *dev_id)
diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index 953a5ffa9b44..7571aaa138b0 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -199,7 +199,7 @@ static void mux_break_ctl(struct uart_port *port, int break_state)
static void mux_write(struct uart_port *port)
{
int count;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if(port->x_char) {
UART_PUT_CHAR(port, port->x_char);
@@ -243,7 +243,7 @@ static void mux_write(struct uart_port *port)
static void mux_read(struct uart_port *port)
{
int data;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
__u32 start_count = port->icount.rx;
while(1) {
diff --git a/drivers/serial/netx-serial.c b/drivers/serial/netx-serial.c
index 3e5dda8518b7..7735c9f35fa0 100644
--- a/drivers/serial/netx-serial.c
+++ b/drivers/serial/netx-serial.c
@@ -140,7 +140,7 @@ static void netx_enable_ms(struct uart_port *port)
static inline void netx_transmit_buffer(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (port->x_char) {
writel(port->x_char, port->membase + UART_DR);
@@ -185,7 +185,7 @@ static unsigned int netx_tx_empty(struct uart_port *port)
static void netx_txint(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
netx_stop_tx(port);
@@ -201,7 +201,7 @@ static void netx_txint(struct uart_port *port)
static void netx_rxint(struct uart_port *port)
{
unsigned char rx, flg, status;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
while (!(readl(port->membase + UART_FR) & FR_RXFE)) {
rx = readl(port->membase + UART_DR);
diff --git a/drivers/serial/nwpserial.c b/drivers/serial/nwpserial.c
index 9e150b19d726..e1ab8ec0a4a6 100644
--- a/drivers/serial/nwpserial.c
+++ b/drivers/serial/nwpserial.c
@@ -126,7 +126,7 @@ static void nwpserial_config_port(struct uart_port *port, int flags)
static irqreturn_t nwpserial_interrupt(int irq, void *dev_id)
{
struct nwpserial_port *up = dev_id;
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
irqreturn_t ret;
unsigned int iir;
unsigned char ch;
@@ -261,7 +261,7 @@ static void nwpserial_start_tx(struct uart_port *port)
struct nwpserial_port *up;
struct circ_buf *xmit;
up = container_of(port, struct nwpserial_port, port);
- xmit = &up->port.info->xmit;
+ xmit = &up->port.state->xmit;
if (port->x_char) {
nwpserial_putchar(up, up->port.x_char);
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 9c1243fbd512..ab4c85ba3549 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -242,12 +242,12 @@ static struct tty_struct *pmz_receive_chars(struct uart_pmac_port *uap)
}
/* Sanity check, make sure the old bug is no longer happening */
- if (uap->port.info == NULL || uap->port.info->port.tty == NULL) {
+ if (uap->port.state == NULL || uap->port.state->port.tty == NULL) {
WARN_ON(1);
(void)read_zsdata(uap);
return NULL;
}
- tty = uap->port.info->port.tty;
+ tty = uap->port.state->port.tty;
while (1) {
error = 0;
@@ -369,7 +369,7 @@ static void pmz_status_handle(struct uart_pmac_port *uap)
uart_handle_cts_change(&uap->port,
!(status & CTS));
- wake_up_interruptible(&uap->port.info->delta_msr_wait);
+ wake_up_interruptible(&uap->port.state->delta_msr_wait);
}
if (status & BRK_ABRT)
@@ -420,9 +420,9 @@ static void pmz_transmit_chars(struct uart_pmac_port *uap)
return;
}
- if (uap->port.info == NULL)
+ if (uap->port.state == NULL)
goto ack_tx_int;
- xmit = &uap->port.info->xmit;
+ xmit = &uap->port.state->xmit;
if (uart_circ_empty(xmit)) {
uart_write_wakeup(&uap->port);
goto ack_tx_int;
@@ -655,7 +655,7 @@ static void pmz_start_tx(struct uart_port *port)
port->icount.tx++;
port->x_char = 0;
} else {
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
write_zsdata(uap, xmit->buf[xmit->tail]);
zssync(uap);
diff --git a/drivers/serial/pnx8xxx_uart.c b/drivers/serial/pnx8xxx_uart.c
index 1bb8f1b45767..2da747635275 100644
--- a/drivers/serial/pnx8xxx_uart.c
+++ b/drivers/serial/pnx8xxx_uart.c
@@ -100,7 +100,7 @@ static void pnx8xxx_mctrl_check(struct pnx8xxx_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
- wake_up_interruptible(&sport->port.info->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->delta_msr_wait);
}
/*
@@ -112,7 +112,7 @@ static void pnx8xxx_timeout(unsigned long data)
struct pnx8xxx_port *sport = (struct pnx8xxx_port *)data;
unsigned long flags;
- if (sport->port.info) {
+ if (sport->port.state) {
spin_lock_irqsave(&sport->port.lock, flags);
pnx8xxx_mctrl_check(sport);
spin_unlock_irqrestore(&sport->port.lock, flags);
@@ -181,7 +181,7 @@ static void pnx8xxx_enable_ms(struct uart_port *port)
static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport)
{
- struct tty_struct *tty = sport->port.info->port.tty;
+ struct tty_struct *tty = sport->port.state->port.tty;
unsigned int status, ch, flg;
status = FIFO_TO_SM(serial_in(sport, PNX8XXX_FIFO)) |
@@ -243,7 +243,7 @@ static void pnx8xxx_rx_chars(struct pnx8xxx_port *sport)
static void pnx8xxx_tx_chars(struct pnx8xxx_port *sport)
{
- struct circ_buf *xmit = &sport->port.info->xmit;
+ struct circ_buf *xmit = &sport->port.state->xmit;
if (sport->port.x_char) {
serial_out(sport, PNX8XXX_FIFO, sport->port.x_char);
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index a48a8a13d87b..ad48919c0415 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -96,7 +96,7 @@ static void serial_pxa_stop_rx(struct uart_port *port)
static inline void receive_chars(struct uart_pxa_port *up, int *status)
{
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned int ch, flag;
int max_count = 256;
@@ -161,7 +161,7 @@ static inline void receive_chars(struct uart_pxa_port *up, int *status)
static void transmit_chars(struct uart_pxa_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int count;
if (up->port.x_char) {
@@ -220,7 +220,7 @@ static inline void check_modem_status(struct uart_pxa_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->delta_msr_wait);
}
/*
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 94530f01521e..61ef3ae24927 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -117,7 +117,7 @@ static void sa1100_mctrl_check(struct sa1100_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
- wake_up_interruptible(&sport->port.info->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->delta_msr_wait);
}
/*
@@ -129,7 +129,7 @@ static void sa1100_timeout(unsigned long data)
struct sa1100_port *sport = (struct sa1100_port *)data;
unsigned long flags;
- if (sport->port.info) {
+ if (sport->port.state) {
spin_lock_irqsave(&sport->port.lock, flags);
sa1100_mctrl_check(sport);
spin_unlock_irqrestore(&sport->port.lock, flags);
@@ -189,7 +189,7 @@ static void sa1100_enable_ms(struct uart_port *port)
static void
sa1100_rx_chars(struct sa1100_port *sport)
{
- struct tty_struct *tty = sport->port.info->port.tty;
+ struct tty_struct *tty = sport->port.state->port.tty;
unsigned int status, ch, flg;
status = UTSR1_TO_SM(UART_GET_UTSR1(sport)) |
@@ -239,7 +239,7 @@ sa1100_rx_chars(struct sa1100_port *sport)
static void sa1100_tx_chars(struct sa1100_port *sport)
{
- struct circ_buf *xmit = &sport->port.info->xmit;
+ struct circ_buf *xmit = &sport->port.state->xmit;
if (sport->port.x_char) {
UART_PUT_CHAR(sport, sport->port.x_char);
diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
index c8851a0db63a..1523e8d9ae77 100644
--- a/drivers/serial/samsung.c
+++ b/drivers/serial/samsung.c
@@ -196,7 +196,7 @@ s3c24xx_serial_rx_chars(int irq, void *dev_id)
{
struct s3c24xx_uart_port *ourport = dev_id;
struct uart_port *port = &ourport->port;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned int ufcon, ch, flag, ufstat, uerstat;
int max_count = 64;
@@ -281,7 +281,7 @@ static irqreturn_t s3c24xx_serial_tx_chars(int irq, void *id)
{
struct s3c24xx_uart_port *ourport = id;
struct uart_port *port = &ourport->port;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
int count = 256;
if (port->x_char) {
@@ -992,10 +992,10 @@ static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb,
struct ktermios *termios;
struct tty_struct *tty;
- if (uport->info == NULL)
+ if (uport->state == NULL)
goto exit;
- tty = uport->info->port.tty;
+ tty = uport->state->port.tty;
if (tty == NULL)
goto exit;
diff --git a/drivers/serial/sb1250-duart.c b/drivers/serial/sb1250-duart.c
index 319e8b83f6be..fa5f303b36d3 100644
--- a/drivers/serial/sb1250-duart.c
+++ b/drivers/serial/sb1250-duart.c
@@ -384,13 +384,13 @@ static void sbd_receive_chars(struct sbd_port *sport)
uart_insert_char(uport, status, M_DUART_OVRUN_ERR, ch, flag);
}
- tty_flip_buffer_push(uport->info->port.tty);
+ tty_flip_buffer_push(uport->state->port.tty);
}
static void sbd_transmit_chars(struct sbd_port *sport)
{
struct uart_port *uport = &sport->port;
- struct circ_buf *xmit = &sport->port.info->xmit;
+ struct circ_buf *xmit = &sport->port.state->xmit;
unsigned int mask;
int stop_tx;
@@ -440,7 +440,7 @@ static void sbd_status_handle(struct sbd_port *sport)
if (delta & ((M_DUART_IN_PIN2_VAL | M_DUART_IN_PIN0_VAL) <<
S_DUART_IN_PIN_CHNG))
- wake_up_interruptible(&uport->info->delta_msr_wait);
+ wake_up_interruptible(&uport->state->delta_msr_wait);
}
static irqreturn_t sbd_interrupt(int irq, void *dev_id)
diff --git a/drivers/serial/sc26xx.c b/drivers/serial/sc26xx.c
index e0be11ceaa25..75038ad2b242 100644
--- a/drivers/serial/sc26xx.c
+++ b/drivers/serial/sc26xx.c
@@ -140,8 +140,8 @@ static struct tty_struct *receive_chars(struct uart_port *port)
char flag;
u8 status;
- if (port->info != NULL) /* Unopened serial console */
- tty = port->info->port.tty;
+ if (port->state != NULL) /* Unopened serial console */
+ tty = port->state->port.tty;
while (limit-- > 0) {
status = READ_SC_PORT(port, SR);
@@ -190,10 +190,10 @@ static void transmit_chars(struct uart_port *port)
{
struct circ_buf *xmit;
- if (!port->info)
+ if (!port->state)
return;
- xmit = &port->info->xmit;
+ xmit = &port->state->xmit;
if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
sc26xx_disable_irq(port, IMR_TXRDY);
return;
@@ -316,7 +316,7 @@ static void sc26xx_stop_tx(struct uart_port *port)
/* port->lock held by caller. */
static void sc26xx_start_tx(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
while (!uart_circ_empty(xmit)) {
if (!(READ_SC_PORT(port, SR) & SR_TXRDY)) {
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index b0bb29d804ae..ea53b6f224b0 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -52,7 +52,7 @@ static struct lock_class_key port_lock_key;
#define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
-#define uart_users(state) ((state)->count + (state)->info.port.blocked_open)
+#define uart_users(state) ((state)->count + (state)->port.blocked_open)
#ifdef CONFIG_SERIAL_CORE_CONSOLE
#define uart_console(port) ((port)->cons && (port)->cons->index == (port)->line)
@@ -71,19 +71,19 @@ static void uart_change_pm(struct uart_state *state, int pm_state);
*/
void uart_write_wakeup(struct uart_port *port)
{
- struct uart_info *info = port->info;
+ struct uart_state *state = port->state;
/*
* This means you called this function _after_ the port was
* closed. No cookie for you.
*/
- BUG_ON(!info);
- tasklet_schedule(&info->tlet);
+ BUG_ON(!state);
+ tasklet_schedule(&state->tlet);
}
static void uart_stop(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
@@ -94,9 +94,9 @@ static void uart_stop(struct tty_struct *tty)
static void __uart_start(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
- if (!uart_circ_empty(&state->info.xmit) && state->info.xmit.buf &&
+ if (!uart_circ_empty(&state->xmit) && state->xmit.buf &&
!tty->stopped && !tty->hw_stopped)
port->ops->start_tx(port);
}
@@ -104,7 +104,7 @@ static void __uart_start(struct tty_struct *tty)
static void uart_start(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
@@ -115,7 +115,7 @@ static void uart_start(struct tty_struct *tty)
static void uart_tasklet_action(unsigned long data)
{
struct uart_state *state = (struct uart_state *)data;
- tty_wakeup(state->info.port.tty);
+ tty_wakeup(state->port.tty);
}
static inline void
@@ -141,12 +141,11 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear)
*/
static int uart_startup(struct uart_state *state, int init_hw)
{
- struct uart_info *info = &state->info;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned long page;
int retval = 0;
- if (info->flags & UIF_INITIALIZED)
+ if (state->flags & UIF_INITIALIZED)
return 0;
/*
@@ -154,7 +153,7 @@ static int uart_startup(struct uart_state *state, int init_hw)
* once we have successfully opened the port. Also set
* up the tty->alt_speed kludge
*/
- set_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ set_bit(TTY_IO_ERROR, &state->port.tty->flags);
if (port->type == PORT_UNKNOWN)
return 0;
@@ -163,14 +162,14 @@ static int uart_startup(struct uart_state *state, int init_hw)
* Initialise and allocate the transmit and temporary
* buffer.
*/
- if (!info->xmit.buf) {
+ if (!state->xmit.buf) {
/* This is protected by the per port mutex */
page = get_zeroed_page(GFP_KERNEL);
if (!page)
return -ENOMEM;
- info->xmit.buf = (unsigned char *) page;
- uart_circ_clear(&info->xmit);
+ state->xmit.buf = (unsigned char *) page;
+ uart_circ_clear(&state->xmit);
}
retval = port->ops->startup(port);
@@ -185,20 +184,20 @@ static int uart_startup(struct uart_state *state, int init_hw)
* Setup the RTS and DTR signals once the
* port is open and ready to respond.
*/
- if (info->port.tty->termios->c_cflag & CBAUD)
+ if (state->port.tty->termios->c_cflag & CBAUD)
uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR);
}
- if (info->flags & UIF_CTS_FLOW) {
+ if (state->flags & UIF_CTS_FLOW) {
spin_lock_irq(&port->lock);
if (!(port->ops->get_mctrl(port) & TIOCM_CTS))
- info->port.tty->hw_stopped = 1;
+ state->port.tty->hw_stopped = 1;
spin_unlock_irq(&port->lock);
}
- info->flags |= UIF_INITIALIZED;
+ state->flags |= UIF_INITIALIZED;
- clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
+ clear_bit(TTY_IO_ERROR, &state->port.tty->flags);
}
if (retval && capable(CAP_SYS_ADMIN))
@@ -214,9 +213,8 @@ static int uart_startup(struct uart_state *state, int init_hw)
*/
static void uart_shutdown(struct uart_state *state)
{
- struct uart_info *info = &state->info;
- struct uart_port *port = state->port;
- struct tty_struct *tty = info->port.tty;
+ struct uart_port *port = state->uart_port;
+ struct tty_struct *tty = state->port.tty;
/*
* Set the TTY IO error marker
@@ -224,8 +222,8 @@ static void uart_shutdown(struct uart_state *state)
if (tty)
set_bit(TTY_IO_ERROR, &tty->flags);
- if (info->flags & UIF_INITIALIZED) {
- info->flags &= ~UIF_INITIALIZED;
+ if (state->flags & UIF_INITIALIZED) {
+ state->flags &= ~UIF_INITIALIZED;
/*
* Turn off DTR and RTS early.
@@ -240,7 +238,7 @@ static void uart_shutdown(struct uart_state *state)
* any outstanding file descriptors should be pointing at
* hung_up_tty_fops now.
*/
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&state->delta_msr_wait);
/*
* Free the IRQ and disable the port.
@@ -256,14 +254,14 @@ static void uart_shutdown(struct uart_state *state)
/*
* kill off our tasklet
*/
- tasklet_kill(&info->tlet);
+ tasklet_kill(&state->tlet);
/*
* Free the transmit buffer page.
*/
- if (info->xmit.buf) {
- free_page((unsigned long)info->xmit.buf);
- info->xmit.buf = NULL;
+ if (state->xmit.buf) {
+ free_page((unsigned long)state->xmit.buf);
+ state->xmit.buf = NULL;
}
}
@@ -430,8 +428,8 @@ EXPORT_SYMBOL(uart_get_divisor);
static void
uart_change_speed(struct uart_state *state, struct ktermios *old_termios)
{
- struct tty_struct *tty = state->info.port.tty;
- struct uart_port *port = state->port;
+ struct tty_struct *tty = state->port.tty;
+ struct uart_port *port = state->uart_port;
struct ktermios *termios;
/*
@@ -447,14 +445,14 @@ uart_change_speed(struct uart_state *state, struct ktermios *old_termios)
* Set flags based on termios cflag
*/
if (termios->c_cflag & CRTSCTS)
- state->info.flags |= UIF_CTS_FLOW;
+ state->flags |= UIF_CTS_FLOW;
else
- state->info.flags &= ~UIF_CTS_FLOW;
+ state->flags &= ~UIF_CTS_FLOW;
if (termios->c_cflag & CLOCAL)
- state->info.flags &= ~UIF_CHECK_CD;
+ state->flags &= ~UIF_CHECK_CD;
else
- state->info.flags |= UIF_CHECK_CD;
+ state->flags |= UIF_CHECK_CD;
port->ops->set_termios(port, termios, old_termios);
}
@@ -482,7 +480,7 @@ static int uart_put_char(struct tty_struct *tty, unsigned char ch)
{
struct uart_state *state = tty->driver_data;
- return __uart_put_char(state->port, &state->info.xmit, ch);
+ return __uart_put_char(state->uart_port, &state->xmit, ch);
}
static void uart_flush_chars(struct tty_struct *tty)
@@ -508,8 +506,8 @@ uart_write(struct tty_struct *tty, const unsigned char *buf, int count)
return -EL3HLT;
}
- port = state->port;
- circ = &state->info.xmit;
+ port = state->uart_port;
+ circ = &state->xmit;
if (!circ->buf)
return 0;
@@ -539,9 +537,9 @@ static int uart_write_room(struct tty_struct *tty)
unsigned long flags;
int ret;
- spin_lock_irqsave(&state->port->lock, flags);
- ret = uart_circ_chars_free(&state->info.xmit);
- spin_unlock_irqrestore(&state->port->lock, flags);
+ spin_lock_irqsave(&state->uart_port->lock, flags);
+ ret = uart_circ_chars_free(&state->xmit);
+ spin_unlock_irqrestore(&state->uart_port->lock, flags);
return ret;
}
@@ -551,9 +549,9 @@ static int uart_chars_in_buffer(struct tty_struct *tty)
unsigned long flags;
int ret;
- spin_lock_irqsave(&state->port->lock, flags);
- ret = uart_circ_chars_pending(&state->info.xmit);
- spin_unlock_irqrestore(&state->port->lock, flags);
+ spin_lock_irqsave(&state->uart_port->lock, flags);
+ ret = uart_circ_chars_pending(&state->xmit);
+ spin_unlock_irqrestore(&state->uart_port->lock, flags);
return ret;
}
@@ -572,11 +570,11 @@ static void uart_flush_buffer(struct tty_struct *tty)
return;
}
- port = state->port;
+ port = state->uart_port;
pr_debug("uart_flush_buffer(%d) called\n", tty->index);
spin_lock_irqsave(&port->lock, flags);
- uart_circ_clear(&state->info.xmit);
+ uart_circ_clear(&state->xmit);
if (port->ops->flush_buffer)
port->ops->flush_buffer(port);
spin_unlock_irqrestore(&port->lock, flags);
@@ -590,7 +588,7 @@ static void uart_flush_buffer(struct tty_struct *tty)
static void uart_send_xchar(struct tty_struct *tty, char ch)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned long flags;
if (port->ops->send_xchar)
@@ -613,13 +611,13 @@ static void uart_throttle(struct tty_struct *tty)
uart_send_xchar(tty, STOP_CHAR(tty));
if (tty->termios->c_cflag & CRTSCTS)
- uart_clear_mctrl(state->port, TIOCM_RTS);
+ uart_clear_mctrl(state->uart_port, TIOCM_RTS);
}
static void uart_unthrottle(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
if (I_IXOFF(tty)) {
if (port->x_char)
@@ -635,7 +633,7 @@ static void uart_unthrottle(struct tty_struct *tty)
static int uart_get_info(struct uart_state *state,
struct serial_struct __user *retinfo)
{
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
struct serial_struct tmp;
memset(&tmp, 0, sizeof(tmp));
@@ -674,7 +672,7 @@ static int uart_set_info(struct uart_state *state,
struct serial_struct __user *newinfo)
{
struct serial_struct new_serial;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned long new_port;
unsigned int change_irq, change_port, closing_wait;
unsigned int old_custom_divisor, close_delay;
@@ -840,15 +838,15 @@ static int uart_set_info(struct uart_state *state,
state->closing_wait = closing_wait;
if (new_serial.xmit_fifo_size)
port->fifosize = new_serial.xmit_fifo_size;
- if (state->info.port.tty)
- state->info.port.tty->low_latency =
+ if (state->port.tty)
+ state->port.tty->low_latency =
(port->flags & UPF_LOW_LATENCY) ? 1 : 0;
check_and_exit:
retval = 0;
if (port->type == PORT_UNKNOWN)
goto exit;
- if (state->info.flags & UIF_INITIALIZED) {
+ if (state->flags & UIF_INITIALIZED) {
if (((old_flags ^ port->flags) & UPF_SPD_MASK) ||
old_custom_divisor != port->custom_divisor) {
/*
@@ -861,7 +859,7 @@ static int uart_set_info(struct uart_state *state,
printk(KERN_NOTICE
"%s sets custom speed on %s. This "
"is deprecated.\n", current->comm,
- tty_name(state->info.port.tty, buf));
+ tty_name(state->port.tty, buf));
}
uart_change_speed(state, NULL);
}
@@ -880,7 +878,7 @@ static int uart_set_info(struct uart_state *state,
static int uart_get_lsr_info(struct uart_state *state,
unsigned int __user *value)
{
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned int result;
result = port->ops->tx_empty(port);
@@ -892,8 +890,8 @@ static int uart_get_lsr_info(struct uart_state *state,
* interrupt happens).
*/
if (port->x_char ||
- ((uart_circ_chars_pending(&state->info.xmit) > 0) &&
- !state->info.port.tty->stopped && !state->info.port.tty->hw_stopped))
+ ((uart_circ_chars_pending(&state->xmit) > 0) &&
+ !state->port.tty->stopped && !state->port.tty->hw_stopped))
result &= ~TIOCSER_TEMT;
return put_user(result, value);
@@ -902,7 +900,7 @@ static int uart_get_lsr_info(struct uart_state *state,
static int uart_tiocmget(struct tty_struct *tty, struct file *file)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
int result = -EIO;
mutex_lock(&state->mutex);
@@ -924,7 +922,7 @@ uart_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
int ret = -EIO;
mutex_lock(&state->mutex);
@@ -940,7 +938,7 @@ uart_tiocmset(struct tty_struct *tty, struct file *file,
static int uart_break_ctl(struct tty_struct *tty, int break_state)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
mutex_lock(&state->mutex);
@@ -953,7 +951,7 @@ static int uart_break_ctl(struct tty_struct *tty, int break_state)
static int uart_do_autoconfig(struct uart_state *state)
{
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
int flags, ret;
if (!capable(CAP_SYS_ADMIN))
@@ -1003,7 +1001,7 @@ static int uart_do_autoconfig(struct uart_state *state)
static int
uart_wait_modem_status(struct uart_state *state, unsigned long arg)
{
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
DECLARE_WAITQUEUE(wait, current);
struct uart_icount cprev, cnow;
int ret;
@@ -1020,7 +1018,7 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
port->ops->enable_ms(port);
spin_unlock_irq(&port->lock);
- add_wait_queue(&state->info.delta_msr_wait, &wait);
+ add_wait_queue(&state->delta_msr_wait, &wait);
for (;;) {
spin_lock_irq(&port->lock);
memcpy(&cnow, &port->icount, sizeof(struct uart_icount));
@@ -1048,7 +1046,7 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
}
current->state = TASK_RUNNING;
- remove_wait_queue(&state->info.delta_msr_wait, &wait);
+ remove_wait_queue(&state->delta_msr_wait, &wait);
return ret;
}
@@ -1064,7 +1062,7 @@ static int uart_get_count(struct uart_state *state,
{
struct serial_icounter_struct icount;
struct uart_icount cnow;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
spin_lock_irq(&port->lock);
memcpy(&cnow, &port->icount, sizeof(struct uart_icount));
@@ -1160,7 +1158,7 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
break;
default: {
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
if (port->ops->ioctl)
ret = port->ops->ioctl(port, cmd, arg);
break;
@@ -1175,7 +1173,7 @@ out:
static void uart_set_ldisc(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
if (port->ops->set_ldisc)
port->ops->set_ldisc(port);
@@ -1207,7 +1205,7 @@ static void uart_set_termios(struct tty_struct *tty,
/* Handle transition to B0 status */
if ((old_termios->c_cflag & CBAUD) && !(cflag & CBAUD))
- uart_clear_mctrl(state->port, TIOCM_RTS | TIOCM_DTR);
+ uart_clear_mctrl(state->uart_port, TIOCM_RTS | TIOCM_DTR);
/* Handle transition away from B0 status */
if (!(old_termios->c_cflag & CBAUD) && (cflag & CBAUD)) {
@@ -1215,25 +1213,25 @@ static void uart_set_termios(struct tty_struct *tty,
if (!(cflag & CRTSCTS) ||
!test_bit(TTY_THROTTLED, &tty->flags))
mask |= TIOCM_RTS;
- uart_set_mctrl(state->port, mask);
+ uart_set_mctrl(state->uart_port, mask);
}
/* Handle turning off CRTSCTS */
if ((old_termios->c_cflag & CRTSCTS) && !(cflag & CRTSCTS)) {
- spin_lock_irqsave(&state->port->lock, flags);
+ spin_lock_irqsave(&state->uart_port->lock, flags);
tty->hw_stopped = 0;
__uart_start(tty);
- spin_unlock_irqrestore(&state->port->lock, flags);
+ spin_unlock_irqrestore(&state->uart_port->lock, flags);
}
/* Handle turning on CRTSCTS */
if (!(old_termios->c_cflag & CRTSCTS) && (cflag & CRTSCTS)) {
- spin_lock_irqsave(&state->port->lock, flags);
- if (!(state->port->ops->get_mctrl(state->port) & TIOCM_CTS)) {
+ spin_lock_irqsave(&state->uart_port->lock, flags);
+ if (!(state->uart_port->ops->get_mctrl(state->uart_port) & TIOCM_CTS)) {
tty->hw_stopped = 1;
- state->port->ops->stop_tx(state->port);
+ state->uart_port->ops->stop_tx(state->uart_port);
}
- spin_unlock_irqrestore(&state->port->lock, flags);
+ spin_unlock_irqrestore(&state->uart_port->lock, flags);
}
#if 0
/*
@@ -1244,7 +1242,7 @@ static void uart_set_termios(struct tty_struct *tty,
*/
if (!(old_termios->c_cflag & CLOCAL) &&
(tty->termios->c_cflag & CLOCAL))
- wake_up_interruptible(&info->port.open_wait);
+ wake_up_interruptible(&state->uart_port.open_wait);
#endif
}
@@ -1260,10 +1258,10 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
BUG_ON(!kernel_locked());
- if (!state || !state->port)
+ if (!state || !state->uart_port)
return;
- port = state->port;
+ port = state->uart_port;
pr_debug("uart_close(%d) called\n", port->line);
@@ -1306,7 +1304,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
* At this point, we stop accepting input. To do this, we
* disable the receive line status interrupts.
*/
- if (state->info.flags & UIF_INITIALIZED) {
+ if (state->flags & UIF_INITIALIZED) {
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
port->ops->stop_rx(port);
@@ -1325,9 +1323,9 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
tty_ldisc_flush(tty);
tty->closing = 0;
- state->info.port.tty = NULL;
+ state->port.tty = NULL;
- if (state->info.port.blocked_open) {
+ if (state->port.blocked_open) {
if (state->close_delay)
msleep_interruptible(state->close_delay);
} else if (!uart_console(port)) {
@@ -1337,8 +1335,8 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
/*
* Wake up anyone trying to open this port.
*/
- state->info.flags &= ~UIF_NORMAL_ACTIVE;
- wake_up_interruptible(&state->info.port.open_wait);
+ state->flags &= ~UIF_NORMAL_ACTIVE;
+ wake_up_interruptible(&state->port.open_wait);
done:
mutex_unlock(&state->mutex);
@@ -1347,7 +1345,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned long char_time, expire;
if (port->type == PORT_UNKNOWN || port->fifosize == 0)
@@ -1412,20 +1410,19 @@ static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
static void uart_hangup(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_info *info = &state->info;
BUG_ON(!kernel_locked());
- pr_debug("uart_hangup(%d)\n", state->port->line);
+ pr_debug("uart_hangup(%d)\n", state->uart_port->line);
mutex_lock(&state->mutex);
- if (info->flags & UIF_NORMAL_ACTIVE) {
+ if (state->flags & UIF_NORMAL_ACTIVE) {
uart_flush_buffer(tty);
uart_shutdown(state);
state->count = 0;
- info->flags &= ~UIF_NORMAL_ACTIVE;
- info->port.tty = NULL;
- wake_up_interruptible(&info->port.open_wait);
- wake_up_interruptible(&info->delta_msr_wait);
+ state->flags &= ~UIF_NORMAL_ACTIVE;
+ state->port.tty = NULL;
+ wake_up_interruptible(&state->port.open_wait);
+ wake_up_interruptible(&state->delta_msr_wait);
}
mutex_unlock(&state->mutex);
}
@@ -1438,8 +1435,8 @@ static void uart_hangup(struct tty_struct *tty)
*/
static void uart_update_termios(struct uart_state *state)
{
- struct tty_struct *tty = state->info.port.tty;
- struct uart_port *port = state->port;
+ struct tty_struct *tty = state->port.tty;
+ struct uart_port *port = state->uart_port;
if (uart_console(port) && port->cons->cflag) {
tty->termios->c_cflag = port->cons->cflag;
@@ -1473,27 +1470,26 @@ static int
uart_block_til_ready(struct file *filp, struct uart_state *state)
{
DECLARE_WAITQUEUE(wait, current);
- struct uart_info *info = &state->info;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
unsigned int mctrl;
- info->port.blocked_open++;
+ state->port.blocked_open++;
state->count--;
- add_wait_queue(&info->port.open_wait, &wait);
+ add_wait_queue(&state->port.open_wait, &wait);
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
/*
* If we have been hung up, tell userspace/restart open.
*/
- if (tty_hung_up_p(filp) || info->port.tty == NULL)
+ if (tty_hung_up_p(filp) || state->port.tty == NULL)
break;
/*
* If the port has been closed, tell userspace/restart open.
*/
- if (!(info->flags & UIF_INITIALIZED))
+ if (!(state->flags & UIF_INITIALIZED))
break;
/*
@@ -1506,8 +1502,8 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
* have set TTY_IO_ERROR for a non-existant port.
*/
if ((filp->f_flags & O_NONBLOCK) ||
- (info->port.tty->termios->c_cflag & CLOCAL) ||
- (info->port.tty->flags & (1 << TTY_IO_ERROR)))
+ (state->port.tty->termios->c_cflag & CLOCAL) ||
+ (state->port.tty->flags & (1 << TTY_IO_ERROR)))
break;
/*
@@ -1515,7 +1511,7 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
* not set RTS here - we want to make sure we catch
* the data from the modem.
*/
- if (info->port.tty->termios->c_cflag & CBAUD)
+ if (state->port.tty->termios->c_cflag & CBAUD)
uart_set_mctrl(port, TIOCM_DTR);
/*
@@ -1537,15 +1533,15 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
break;
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(&info->port.open_wait, &wait);
+ remove_wait_queue(&state->port.open_wait, &wait);
state->count++;
- info->port.blocked_open--;
+ state->port.blocked_open--;
if (signal_pending(current))
return -ERESTARTSYS;
- if (!info->port.tty || tty_hung_up_p(filp))
+ if (!state->port.tty || tty_hung_up_p(filp))
return -EAGAIN;
return 0;
@@ -1563,7 +1559,7 @@ static struct uart_state *uart_get(struct uart_driver *drv, int line)
}
state->count++;
- if (!state->port || state->port->flags & UPF_DEAD) {
+ if (!state->uart_port || state->uart_port->flags & UPF_DEAD) {
ret = -ENXIO;
goto err_unlock;
}
@@ -1606,10 +1602,11 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
/*
* We take the semaphore inside uart_get to guarantee that we won't
- * be re-entered while allocating the info structure, or while we
+ * be re-entered while allocating the state structure, or while we
* request any IRQs that the driver may need. This also has the nice
* side-effect that it delays the action of uart_hangup, so we can
- * guarantee that info->port.tty will always contain something reasonable.
+ * guarantee that state->port.tty will always contain something
+ * reasonable.
*/
state = uart_get(drv, line);
if (IS_ERR(state)) {
@@ -1623,10 +1620,10 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
* Any failures from here onwards should not touch the count.
*/
tty->driver_data = state;
- state->port->info = &state->info;
- tty->low_latency = (state->port->flags & UPF_LOW_LATENCY) ? 1 : 0;
+ state->uart_port->state = state;
+ tty->low_latency = (state->uart_port->flags & UPF_LOW_LATENCY) ? 1 : 0;
tty->alt_speed = 0;
- state->info.port.tty = tty;
+ state->port.tty = tty;
/*
* If the port is in the middle of closing, bail out now.
@@ -1659,8 +1656,8 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
/*
* If this is the first open to succeed, adjust things to suit.
*/
- if (retval == 0 && !(state->info.flags & UIF_NORMAL_ACTIVE)) {
- state->info.flags |= UIF_NORMAL_ACTIVE;
+ if (retval == 0 && !(state->flags & UIF_NORMAL_ACTIVE)) {
+ state->flags |= UIF_NORMAL_ACTIVE;
uart_update_termios(state);
}
@@ -1688,7 +1685,7 @@ static void uart_line_info(struct seq_file *m, struct uart_driver *drv, int i)
{
struct uart_state *state = drv->state + i;
int pm_state;
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
char stat_buf[32];
unsigned int status;
int mmio;
@@ -1958,7 +1955,7 @@ EXPORT_SYMBOL_GPL(uart_set_options);
static void uart_change_pm(struct uart_state *state, int pm_state)
{
- struct uart_port *port = state->port;
+ struct uart_port *port = state->uart_port;
if (state->pm_state != pm_state) {
if (port->ops->pm)
@@ -2005,11 +2002,11 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
}
port->suspended = 1;
- if (state->info.flags & UIF_INITIALIZED) {
+ if (state->flags & UIF_INITIALIZED) {
const struct uart_ops *ops = port->ops;
int tries;
- state->info.flags = (state->info.flags & ~UIF_INITIALIZED)
+ state->flags = (state->flags & ~UIF_INITIALIZED)
| UIF_SUSPENDED;
spin_lock_irq(&port->lock);
@@ -2084,15 +2081,15 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
/*
* If that's unset, use the tty termios setting.
*/
- if (state->info.port.tty && termios.c_cflag == 0)
- termios = *state->info.port.tty->termios;
+ if (state->port.tty && termios.c_cflag == 0)
+ termios = *state->port.tty->termios;
uart_change_pm(state, 0);
port->ops->set_termios(port, &termios, NULL);
console_start(port->cons);
}
- if (state->info.flags & UIF_SUSPENDED) {
+ if (state->flags & UIF_SUSPENDED) {
const struct uart_ops *ops = port->ops;
int ret;
@@ -2107,7 +2104,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
ops->set_mctrl(port, port->mctrl);
ops->start_tx(port);
spin_unlock_irq(&port->lock);
- state->info.flags |= UIF_INITIALIZED;
+ state->flags |= UIF_INITIALIZED;
} else {
/*
* Failed to resume - maybe hardware went away?
@@ -2117,7 +2114,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
uart_shutdown(state);
}
- state->info.flags &= ~UIF_SUSPENDED;
+ state->flags &= ~UIF_SUSPENDED;
}
mutex_unlock(&state->mutex);
@@ -2232,10 +2229,10 @@ static int uart_poll_init(struct tty_driver *driver, int line, char *options)
int parity = 'n';
int flow = 'n';
- if (!state || !state->port)
+ if (!state || !state->uart_port)
return -1;
- port = state->port;
+ port = state->uart_port;
if (!(port->ops->poll_get_char && port->ops->poll_put_char))
return -1;
@@ -2253,10 +2250,10 @@ static int uart_poll_get_char(struct tty_driver *driver, int line)
struct uart_state *state = drv->state + line;
struct uart_port *port;
- if (!state || !state->port)
+ if (!state || !state->uart_port)
return -1;
- port = state->port;
+ port = state->uart_port;
return port->ops->poll_get_char(port);
}
@@ -2266,10 +2263,10 @@ static void uart_poll_put_char(struct tty_driver *driver, int line, char ch)
struct uart_state *state = drv->state + line;
struct uart_port *port;
- if (!state || !state->port)
+ if (!state || !state->uart_port)
return;
- port = state->port;
+ port = state->uart_port;
port->ops->poll_put_char(port, ch);
}
#endif
@@ -2365,9 +2362,9 @@ int uart_register_driver(struct uart_driver *drv)
state->closing_wait = 30000; /* 30 seconds */
mutex_init(&state->mutex);
- tty_port_init(&state->info.port);
- init_waitqueue_head(&state->info.delta_msr_wait);
- tasklet_init(&state->info.tlet, uart_tasklet_action,
+ tty_port_init(&state->port);
+ init_waitqueue_head(&state->delta_msr_wait);
+ tasklet_init(&state->tlet, uart_tasklet_action,
(unsigned long)state);
}
@@ -2430,16 +2427,16 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
mutex_lock(&port_mutex);
mutex_lock(&state->mutex);
- if (state->port) {
+ if (state->uart_port) {
ret = -EINVAL;
goto out;
}
- state->port = port;
+ state->uart_port = port;
state->pm_state = -1;
port->cons = drv->cons;
- port->info = &state->info;
+ port->state = state;
/*
* If this port is a console, then the spinlock is already
@@ -2488,13 +2485,12 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
{
struct uart_state *state = drv->state + port->line;
- struct uart_info *info;
BUG_ON(in_interrupt());
- if (state->port != port)
+ if (state->uart_port != port)
printk(KERN_ALERT "Removing wrong port: %p != %p\n",
- state->port, port);
+ state->uart_port, port);
mutex_lock(&port_mutex);
@@ -2511,9 +2507,8 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
*/
tty_unregister_device(drv->tty_driver, port->line);
- info = &state->info;
- if (info && info->port.tty)
- tty_vhangup(info->port.tty);
+ if (state->port.tty)
+ tty_vhangup(state->port.tty);
/*
* Free the port IO and memory resources, if any.
@@ -2529,10 +2524,9 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
/*
* Kill the tasklet, and free resources.
*/
- if (info)
- tasklet_kill(&info->tlet);
+ tasklet_kill(&state->tlet);
- state->port = NULL;
+ state->uart_port = NULL;
mutex_unlock(&port_mutex);
return 0;
diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c
index 52db5cc3f900..4560b2e70685 100644
--- a/drivers/serial/serial_ks8695.c
+++ b/drivers/serial/serial_ks8695.c
@@ -154,7 +154,7 @@ static void ks8695uart_disable_ms(struct uart_port *port)
static irqreturn_t ks8695uart_rx_chars(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned int status, ch, lsr, flg, max_count = 256;
status = UART_GET_LSR(port); /* clears pending LSR interrupts */
@@ -210,7 +210,7 @@ ignore_char:
static irqreturn_t ks8695uart_tx_chars(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
unsigned int count;
if (port->x_char) {
@@ -266,7 +266,7 @@ static irqreturn_t ks8695uart_modem_status(int irq, void *dev_id)
if (status & URMS_URTERI)
port->icount.rng++;
- wake_up_interruptible(&port->info->delta_msr_wait);
+ wake_up_interruptible(&port->state->delta_msr_wait);
return IRQ_HANDLED;
}
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index a7bf024a8286..057fc5e8cc8d 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -138,7 +138,7 @@ static void lh7a40xuart_enable_ms (struct uart_port* port)
static void lh7a40xuart_rx_chars (struct uart_port* port)
{
- struct tty_struct* tty = port->info->port.tty;
+ struct tty_struct* tty = port->state->port.tty;
int cbRxMax = 256; /* (Gross) limit on receive */
unsigned int data; /* Received data and status */
unsigned int flag;
@@ -184,7 +184,7 @@ static void lh7a40xuart_rx_chars (struct uart_port* port)
static void lh7a40xuart_tx_chars (struct uart_port* port)
{
- struct circ_buf* xmit = &port->info->xmit;
+ struct circ_buf* xmit = &port->state->xmit;
int cbTxMax = port->fifosize;
if (port->x_char) {
@@ -241,7 +241,7 @@ static void lh7a40xuart_modem_status (struct uart_port* port)
if (delta & CTS)
uart_handle_cts_change (port, status & CTS);
- wake_up_interruptible (&port->info->delta_msr_wait);
+ wake_up_interruptible (&port->state->delta_msr_wait);
}
static irqreturn_t lh7a40xuart_int (int irq, void* dev_id)
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 54dd16d66a4b..0f7cf4c453e6 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -272,7 +272,7 @@ static void serial_txx9_initialize(struct uart_port *port)
static inline void
receive_chars(struct uart_txx9_port *up, unsigned int *status)
{
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned char ch;
unsigned int disr = *status;
int max_count = 256;
@@ -348,7 +348,7 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status)
static inline void transmit_chars(struct uart_txx9_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int count;
if (up->port.x_char) {
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 32dc2fc50e6b..85119fb7cb50 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -361,7 +361,7 @@ static inline int sci_rxroom(struct uart_port *port)
static void sci_transmit_chars(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
unsigned int stopped = uart_tx_stopped(port);
unsigned short status;
unsigned short ctrl;
@@ -426,7 +426,7 @@ static void sci_transmit_chars(struct uart_port *port)
static inline void sci_receive_chars(struct uart_port *port)
{
struct sci_port *sci_port = to_sci_port(port);
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
int i, count, copied = 0;
unsigned short status;
unsigned char flag;
@@ -546,7 +546,7 @@ static inline int sci_handle_errors(struct uart_port *port)
{
int copied = 0;
unsigned short status = sci_in(port, SCxSR);
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
if (status & SCxSR_ORER(port)) {
/* overrun error */
@@ -600,7 +600,7 @@ static inline int sci_handle_errors(struct uart_port *port)
static inline int sci_handle_fifo_overrun(struct uart_port *port)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
int copied = 0;
if (port->type != PORT_SCIF)
@@ -623,7 +623,7 @@ static inline int sci_handle_breaks(struct uart_port *port)
{
int copied = 0;
unsigned short status = sci_in(port, SCxSR);
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
struct sci_port *s = to_sci_port(port);
if (uart_handle_break(port))
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index d5276c012f78..9794e0cd3dcc 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -469,9 +469,9 @@ sn_receive_chars(struct sn_cons_port *port, unsigned long flags)
return;
}
- if (port->sc_port.info) {
+ if (port->sc_port.state) {
/* The serial_core stuffs are initilized, use them */
- tty = port->sc_port.info->port.tty;
+ tty = port->sc_port.state->port.tty;
}
else {
/* Not registered yet - can't pass to tty layer. */
@@ -550,9 +550,9 @@ static void sn_transmit_chars(struct sn_cons_port *port, int raw)
BUG_ON(!port->sc_is_asynch);
- if (port->sc_port.info) {
+ if (port->sc_port.state) {
/* We're initilized, using serial core infrastructure */
- xmit = &port->sc_port.info->xmit;
+ xmit = &port->sc_port.state->xmit;
} else {
/* Probably sn_sal_switch_to_asynch has been run but serial core isn't
* initilized yet. Just return. Writes are going through
@@ -927,7 +927,7 @@ sn_sal_console_write(struct console *co, const char *s, unsigned count)
/* We can't look at the xmit buffer if we're not registered with serial core
* yet. So only do the fancy recovery after registering
*/
- if (!port->sc_port.info) {
+ if (!port->sc_port.state) {
/* Not yet registered with serial core - simple case */
puts_raw_fixed(port->sc_ops->sal_puts_raw, s, count);
return;
@@ -936,8 +936,8 @@ sn_sal_console_write(struct console *co, const char *s, unsigned count)
/* somebody really wants this output, might be an
* oops, kdb, panic, etc. make sure they get it. */
if (spin_is_locked(&port->sc_port.lock)) {
- int lhead = port->sc_port.info->xmit.head;
- int ltail = port->sc_port.info->xmit.tail;
+ int lhead = port->sc_port.state->xmit.head;
+ int ltail = port->sc_port.state->xmit.tail;
int counter, got_lock = 0;
/*
@@ -962,13 +962,13 @@ sn_sal_console_write(struct console *co, const char *s, unsigned count)
break;
} else {
/* still locked */
- if ((lhead != port->sc_port.info->xmit.head)
+ if ((lhead != port->sc_port.state->xmit.head)
|| (ltail !=
- port->sc_port.info->xmit.tail)) {
+ port->sc_port.state->xmit.tail)) {
lhead =
- port->sc_port.info->xmit.head;
+ port->sc_port.state->xmit.head;
ltail =
- port->sc_port.info->xmit.tail;
+ port->sc_port.state->xmit.tail;
counter = 0;
}
}
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c
index 1df5325faab2..d548652dee50 100644
--- a/drivers/serial/sunhv.c
+++ b/drivers/serial/sunhv.c
@@ -184,8 +184,8 @@ static struct tty_struct *receive_chars(struct uart_port *port)
{
struct tty_struct *tty = NULL;
- if (port->info != NULL) /* Unopened serial console */
- tty = port->info->port.tty;
+ if (port->state != NULL) /* Unopened serial console */
+ tty = port->state->port.tty;
if (sunhv_ops->receive_chars(port, tty))
sun_do_break();
@@ -197,10 +197,10 @@ static void transmit_chars(struct uart_port *port)
{
struct circ_buf *xmit;
- if (!port->info)
+ if (!port->state)
return;
- xmit = &port->info->xmit;
+ xmit = &port->state->xmit;
if (uart_circ_empty(xmit) || uart_tx_stopped(port))
return;
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 0355efe115d9..7c4f2fe8e246 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -117,8 +117,8 @@ receive_chars(struct uart_sunsab_port *up,
int count = 0;
int i;
- if (up->port.info != NULL) /* Unopened serial console */
- tty = up->port.info->port.tty;
+ if (up->port.state != NULL) /* Unopened serial console */
+ tty = up->port.state->port.tty;
/* Read number of BYTES (Character + Status) available. */
if (stat->sreg.isr0 & SAB82532_ISR0_RPF) {
@@ -229,7 +229,7 @@ static void sunsab_tx_idle(struct uart_sunsab_port *);
static void transmit_chars(struct uart_sunsab_port *up,
union sab82532_irq_status *stat)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int i;
if (stat->sreg.isr1 & SAB82532_ISR1_ALLS) {
@@ -297,7 +297,7 @@ static void check_status(struct uart_sunsab_port *up,
up->port.icount.dsr++;
}
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->delta_msr_wait);
}
static irqreturn_t sunsab_interrupt(int irq, void *dev_id)
@@ -429,7 +429,7 @@ static void sunsab_tx_idle(struct uart_sunsab_port *up)
static void sunsab_start_tx(struct uart_port *port)
{
struct uart_sunsab_port *up = (struct uart_sunsab_port *) port;
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int i;
up->interrupt_mask1 &= ~(SAB82532_IMR1_ALLS|SAB82532_IMR1_XPR);
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 47c6837850b1..5a32365b58ad 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -311,7 +311,7 @@ static void sunsu_enable_ms(struct uart_port *port)
static struct tty_struct *
receive_chars(struct uart_sunsu_port *up, unsigned char *status)
{
- struct tty_struct *tty = up->port.info->port.tty;
+ struct tty_struct *tty = up->port.state->port.tty;
unsigned char ch, flag;
int max_count = 256;
int saw_console_brk = 0;
@@ -389,7 +389,7 @@ receive_chars(struct uart_sunsu_port *up, unsigned char *status)
static void transmit_chars(struct uart_sunsu_port *up)
{
- struct circ_buf *xmit = &up->port.info->xmit;
+ struct circ_buf *xmit = &up->port.state->xmit;
int count;
if (up->port.x_char) {
@@ -441,7 +441,7 @@ static void check_modem_status(struct uart_sunsu_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->delta_msr_wait);
}
static irqreturn_t sunsu_serial_interrupt(int irq, void *dev_id)
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index e09d3cebb4fb..055034d12b1c 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -328,9 +328,9 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up,
unsigned char ch, r1, flag;
tty = NULL;
- if (up->port.info != NULL && /* Unopened serial console */
- up->port.info->port.tty != NULL) /* Keyboard || mouse */
- tty = up->port.info->port.tty;
+ if (up->port.state != NULL && /* Unopened serial console */
+ up->port.state->port.tty != NULL) /* Keyboard || mouse */
+ tty = up->port.state->port.tty;
for (;;) {
@@ -451,7 +451,7 @@ static void sunzilog_status_handle(struct uart_sunzilog_port *up,
uart_handle_cts_change(&up->port,
(status & CTS));
- wake_up_interruptible(&up->port.info->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->delta_msr_wait);
}
up->prev_status = status;
@@ -501,9 +501,9 @@ static void sunzilog_transmit_chars(struct uart_sunzilog_port *up,
return;
}
- if (up->port.info == NULL)
+ if (up->port.state == NULL)
goto ack_tx_int;
- xmit = &up->port.info->xmit;
+ xmit = &up->port.state->xmit;
if (uart_circ_empty(xmit))
goto ack_tx_int;
@@ -705,7 +705,7 @@ static void sunzilog_start_tx(struct uart_port *port)
port->icount.tx++;
port->x_char = 0;
} else {
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
writeb(xmit->buf[xmit->tail], &channel->data);
ZSDELAY();
diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c
index 063a313b755c..3d40be6f389f 100644
--- a/drivers/serial/timbuart.c
+++ b/drivers/serial/timbuart.c
@@ -77,7 +77,7 @@ static void timbuart_flush_buffer(struct uart_port *port)
static void timbuart_rx_chars(struct uart_port *port)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
while (ioread32(port->membase + TIMBUART_ISR) & RXDP) {
u8 ch = ioread8(port->membase + TIMBUART_RXFIFO);
@@ -86,7 +86,7 @@ static void timbuart_rx_chars(struct uart_port *port)
}
spin_unlock(&port->lock);
- tty_flip_buffer_push(port->info->port.tty);
+ tty_flip_buffer_push(port->state->port.tty);
spin_lock(&port->lock);
dev_dbg(port->dev, "%s - total read %d bytes\n",
@@ -95,7 +95,7 @@ static void timbuart_rx_chars(struct uart_port *port)
static void timbuart_tx_chars(struct uart_port *port)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
while (!(ioread32(port->membase + TIMBUART_ISR) & TXBF) &&
!uart_circ_empty(xmit)) {
@@ -118,7 +118,7 @@ static void timbuart_handle_tx_port(struct uart_port *port, u32 isr, u32 *ier)
{
struct timbuart_port *uart =
container_of(port, struct timbuart_port, port);
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (uart_circ_empty(xmit) || uart_tx_stopped(port))
return;
@@ -231,7 +231,7 @@ static void timbuart_mctrl_check(struct uart_port *port, u32 isr, u32 *ier)
iowrite32(CTS_DELTA, port->membase + TIMBUART_ISR);
cts = timbuart_get_mctrl(port);
uart_handle_cts_change(port, cts & TIOCM_CTS);
- wake_up_interruptible(&port->info->delta_msr_wait);
+ wake_up_interruptible(&port->state->delta_msr_wait);
}
*ier |= CTS_DELTA;
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index 3317148a4b93..5d3a573d6994 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -75,7 +75,7 @@ static struct uart_port ulite_ports[ULITE_NR_UARTS];
static int ulite_receive(struct uart_port *port, int stat)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
unsigned char ch = 0;
char flag = TTY_NORMAL;
@@ -125,7 +125,7 @@ static int ulite_receive(struct uart_port *port, int stat)
static int ulite_transmit(struct uart_port *port, int stat)
{
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
if (stat & ULITE_STATUS_TXFULL)
return 0;
@@ -162,7 +162,7 @@ static irqreturn_t ulite_isr(int irq, void *dev_id)
busy |= ulite_transmit(port, stat);
} while (busy);
- tty_flip_buffer_push(port->info->port.tty);
+ tty_flip_buffer_push(port->state->port.tty);
return IRQ_HANDLED;
}
diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c
index e945e780b5c9..0c08f286a2ef 100644
--- a/drivers/serial/ucc_uart.c
+++ b/drivers/serial/ucc_uart.c
@@ -327,7 +327,7 @@ static int qe_uart_tx_pump(struct uart_qe_port *qe_port)
unsigned char *p;
unsigned int count;
struct uart_port *port = &qe_port->port;
- struct circ_buf *xmit = &port->info->xmit;
+ struct circ_buf *xmit = &port->state->xmit;
bdp = qe_port->rx_cur;
@@ -466,7 +466,7 @@ static void qe_uart_int_rx(struct uart_qe_port *qe_port)
int i;
unsigned char ch, *cp;
struct uart_port *port = &qe_port->port;
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
struct qe_bd *bdp;
u16 status;
unsigned int flg;
diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
index dac550e57c29..cf4410e6d53b 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -318,7 +318,7 @@ static inline void receive_chars(struct uart_port *port, uint8_t *status)
char flag;
int max_count = RX_MAX_COUNT;
- tty = port->info->port.tty;
+ tty = port->state->port.tty;
lsr = *status;
do {
@@ -386,7 +386,7 @@ static inline void check_modem_status(struct uart_port *port)
if (msr & UART_MSR_DCTS)
uart_handle_cts_change(port, msr & UART_MSR_CTS);
- wake_up_interruptible(&port->info->delta_msr_wait);
+ wake_up_interruptible(&port->state->delta_msr_wait);
}
static inline void transmit_chars(struct uart_port *port)
@@ -394,7 +394,7 @@ static inline void transmit_chars(struct uart_port *port)
struct circ_buf *xmit;
int max_count = TX_MAX_COUNT;
- xmit = &port->info->xmit;
+ xmit = &port->state->xmit;
if (port->x_char) {
siu_write(port, UART_TX, port->x_char);
diff --git a/drivers/serial/zs.c b/drivers/serial/zs.c
index d8c2809b1ab6..b9c9fb9198d6 100644
--- a/drivers/serial/zs.c
+++ b/drivers/serial/zs.c
@@ -602,12 +602,12 @@ static void zs_receive_chars(struct zs_port *zport)
uart_insert_char(uport, status, Rx_OVR, ch, flag);
}
- tty_flip_buffer_push(uport->info->port.tty);
+ tty_flip_buffer_push(uport->state->port.tty);
}
static void zs_raw_transmit_chars(struct zs_port *zport)
{
- struct circ_buf *xmit = &zport->port.info->xmit;
+ struct circ_buf *xmit = &zport->port.state->xmit;
/* XON/XOFF chars. */
if (zport->port.x_char) {
@@ -686,7 +686,7 @@ static void zs_status_handle(struct zs_port *zport, struct zs_port *zport_a)
uport->icount.rng++;
if (delta)
- wake_up_interruptible(&uport->info->delta_msr_wait);
+ wake_up_interruptible(&uport->state->delta_msr_wait);
spin_lock(&scc->zlock);
}
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 3cd255f0b211..c1542703fbab 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -186,7 +186,6 @@
#include <linux/sysrq.h>
struct uart_port;
-struct uart_info;
struct serial_struct;
struct device;
@@ -284,7 +283,7 @@ struct uart_port {
unsigned int read_status_mask; /* driver specific */
unsigned int ignore_status_mask; /* driver specific */
- struct uart_info *info; /* pointer to parent info */
+ struct uart_state *state; /* pointer to parent state */
struct uart_icount icount; /* statistics */
struct console *cons; /* struct console, if any */
@@ -343,8 +342,22 @@ struct uart_port {
*/
typedef unsigned int __bitwise__ uif_t;
-struct uart_info {
+
+/*
+ * This is the state information which is persistent across opens.
+ * The low level driver must not to touch any elements contained
+ * within.
+ */
+struct uart_state {
struct tty_port port;
+ unsigned int close_delay; /* msec */
+ unsigned int closing_wait; /* msec */
+
+#define USF_CLOSING_WAIT_INF (0)
+#define USF_CLOSING_WAIT_NONE (~0U)
+
+ int count;
+ int pm_state;
struct circ_buf xmit;
uif_t flags;
@@ -362,24 +375,7 @@ struct uart_info {
struct tasklet_struct tlet;
wait_queue_head_t delta_msr_wait;
-};
-
-/*
- * This is the state information which is persistent across opens.
- * The low level driver must not to touch any elements contained
- * within.
- */
-struct uart_state {
- unsigned int close_delay; /* msec */
- unsigned int closing_wait; /* msec */
-
-#define USF_CLOSING_WAIT_INF (0)
-#define USF_CLOSING_WAIT_NONE (~0U)
-
- int count;
- int pm_state;
- struct uart_info info;
- struct uart_port *port;
+ struct uart_port *uart_port;
struct mutex mutex;
};
@@ -462,7 +458,7 @@ int uart_resume_port(struct uart_driver *reg, struct uart_port *port);
static inline int uart_tx_stopped(struct uart_port *port)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
if(tty->stopped || tty->hw_stopped)
return 1;
return 0;
@@ -477,7 +473,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
#ifdef SUPPORT_SYSRQ
if (port->sysrq) {
if (ch && time_before(jiffies, port->sysrq)) {
- handle_sysrq(ch, port->info->port.tty);
+ handle_sysrq(ch, port->state->port.tty);
port->sysrq = 0;
return 1;
}
@@ -495,7 +491,7 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
*/
static inline int uart_handle_break(struct uart_port *port)
{
- struct uart_info *info = port->info;
+ struct uart_state *state = port->state;
#ifdef SUPPORT_SYSRQ
if (port->cons && port->cons->index == port->line) {
if (!port->sysrq) {
@@ -506,7 +502,7 @@ static inline int uart_handle_break(struct uart_port *port)
}
#endif
if (port->flags & UPF_SAK)
- do_SAK(info->port.tty);
+ do_SAK(state->port.tty);
return 0;
}
@@ -518,7 +514,7 @@ static inline int uart_handle_break(struct uart_port *port)
static inline void
uart_handle_dcd_change(struct uart_port *port, unsigned int status)
{
- struct uart_info *info = port->info;
+ struct uart_state *state = port->state;
port->icount.dcd++;
@@ -527,11 +523,11 @@ uart_handle_dcd_change(struct uart_port *port, unsigned int status)
hardpps();
#endif
- if (info->flags & UIF_CHECK_CD) {
+ if (state->flags & UIF_CHECK_CD) {
if (status)
- wake_up_interruptible(&info->port.open_wait);
- else if (info->port.tty)
- tty_hangup(info->port.tty);
+ wake_up_interruptible(&state->port.open_wait);
+ else if (state->port.tty)
+ tty_hangup(state->port.tty);
}
}
@@ -543,12 +539,12 @@ uart_handle_dcd_change(struct uart_port *port, unsigned int status)
static inline void
uart_handle_cts_change(struct uart_port *port, unsigned int status)
{
- struct uart_info *info = port->info;
- struct tty_struct *tty = info->port.tty;
+ struct uart_state *state = port->state;
+ struct tty_struct *tty = state->port.tty;
port->icount.cts++;
- if (info->flags & UIF_CTS_FLOW) {
+ if (state->flags & UIF_CTS_FLOW) {
if (tty->hw_stopped) {
if (status) {
tty->hw_stopped = 0;
@@ -570,7 +566,7 @@ static inline void
uart_insert_char(struct uart_port *port, unsigned int status,
unsigned int overrun, unsigned int ch, unsigned int flag)
{
- struct tty_struct *tty = port->info->port.tty;
+ struct tty_struct *tty = port->state->port.tty;
if ((status & port->ignore_status_mask & ~overrun) == 0)
tty_insert_flip_char(tty, ch, flag);
--
GitLab
From 5e99df561fc830730d63672d795a0b02ef8cdd6f Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:28 -0700
Subject: [PATCH 692/742] serial: Fold closing_* fields into the tty_port ones
Remove some more serial specific use
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/serial_core.c | 26 +++++++++++++-------------
include/linux/serial_core.h | 2 --
include/linux/tty.h | 4 ++--
3 files changed, 15 insertions(+), 17 deletions(-)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index ea53b6f224b0..2d63b13e2f7e 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -651,10 +651,10 @@ static int uart_get_info(struct uart_state *state,
tmp.flags = port->flags;
tmp.xmit_fifo_size = port->fifosize;
tmp.baud_base = port->uartclk / 16;
- tmp.close_delay = state->close_delay / 10;
- tmp.closing_wait = state->closing_wait == USF_CLOSING_WAIT_NONE ?
+ tmp.close_delay = state->port.close_delay / 10;
+ tmp.closing_wait = state->port.closing_wait == USF_CLOSING_WAIT_NONE ?
ASYNC_CLOSING_WAIT_NONE :
- state->closing_wait / 10;
+ state->port.closing_wait / 10;
tmp.custom_divisor = port->custom_divisor;
tmp.hub6 = port->hub6;
tmp.io_type = port->iotype;
@@ -724,8 +724,8 @@ static int uart_set_info(struct uart_state *state,
retval = -EPERM;
if (change_irq || change_port ||
(new_serial.baud_base != port->uartclk / 16) ||
- (close_delay != state->close_delay) ||
- (closing_wait != state->closing_wait) ||
+ (close_delay != state->port.close_delay) ||
+ (closing_wait != state->port.closing_wait) ||
(new_serial.xmit_fifo_size &&
new_serial.xmit_fifo_size != port->fifosize) ||
(((new_flags ^ old_flags) & ~UPF_USR_MASK) != 0))
@@ -834,8 +834,8 @@ static int uart_set_info(struct uart_state *state,
port->flags = (port->flags & ~UPF_CHANGE_MASK) |
(new_flags & UPF_CHANGE_MASK);
port->custom_divisor = new_serial.custom_divisor;
- state->close_delay = close_delay;
- state->closing_wait = closing_wait;
+ state->port.close_delay = close_delay;
+ state->port.closing_wait = closing_wait;
if (new_serial.xmit_fifo_size)
port->fifosize = new_serial.xmit_fifo_size;
if (state->port.tty)
@@ -1297,8 +1297,8 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
*/
tty->closing = 1;
- if (state->closing_wait != USF_CLOSING_WAIT_NONE)
- tty_wait_until_sent(tty, msecs_to_jiffies(state->closing_wait));
+ if (state->port.closing_wait != USF_CLOSING_WAIT_NONE)
+ tty_wait_until_sent(tty, msecs_to_jiffies(state->port.closing_wait));
/*
* At this point, we stop accepting input. To do this, we
@@ -1326,8 +1326,8 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
state->port.tty = NULL;
if (state->port.blocked_open) {
- if (state->close_delay)
- msleep_interruptible(state->close_delay);
+ if (state->port.close_delay)
+ msleep_interruptible(state->port.close_delay);
} else if (!uart_console(port)) {
uart_change_pm(state, 3);
}
@@ -2358,11 +2358,11 @@ int uart_register_driver(struct uart_driver *drv)
for (i = 0; i < drv->nr; i++) {
struct uart_state *state = drv->state + i;
- state->close_delay = 500; /* .5 seconds */
- state->closing_wait = 30000; /* 30 seconds */
mutex_init(&state->mutex);
tty_port_init(&state->port);
+ state->port.close_delay = 500; /* .5 seconds */
+ state->port.closing_wait = 30000; /* 30 seconds */
init_waitqueue_head(&state->delta_msr_wait);
tasklet_init(&state->tlet, uart_tasklet_action,
(unsigned long)state);
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index c1542703fbab..fd11d4d5a571 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -350,8 +350,6 @@ typedef unsigned int __bitwise__ uif_t;
*/
struct uart_state {
struct tty_port port;
- unsigned int close_delay; /* msec */
- unsigned int closing_wait; /* msec */
#define USF_CLOSING_WAIT_INF (0)
#define USF_CLOSING_WAIT_NONE (~0U)
diff --git a/include/linux/tty.h b/include/linux/tty.h
index ecb3d1ba3017..9fdc3d84baad 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -206,8 +206,8 @@ struct tty_port {
unsigned long flags; /* TTY flags ASY_*/
struct mutex mutex; /* Locking */
unsigned char *xmit_buf; /* Optional buffer */
- int close_delay; /* Close port delay */
- int closing_wait; /* Delay for output */
+ unsigned int close_delay; /* Close port delay */
+ unsigned int closing_wait; /* Delay for output */
int drain_delay; /* Set to zero if no pure time
based drain is needed else
set to size of fifo */
--
GitLab
From 46d57a449aa13d9c6adcc9d1dbc7b9a0ecfb69d8 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:29 -0700
Subject: [PATCH 693/742] serial: use tty_port pointers in the core code
Extract out a lot of the x.port. uses and also show up where there are
things left to be isolated that prevent use using the port helpers in the
serial layer at this point
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
drivers/serial/serial_core.c | 288 ++++++++++++++++++-----------------
1 file changed, 146 insertions(+), 142 deletions(-)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 2d63b13e2f7e..0ffefb3f1d8f 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -141,7 +141,8 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear)
*/
static int uart_startup(struct uart_state *state, int init_hw)
{
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
unsigned long page;
int retval = 0;
@@ -153,9 +154,9 @@ static int uart_startup(struct uart_state *state, int init_hw)
* once we have successfully opened the port. Also set
* up the tty->alt_speed kludge
*/
- set_bit(TTY_IO_ERROR, &state->port.tty->flags);
+ set_bit(TTY_IO_ERROR, &port->tty->flags);
- if (port->type == PORT_UNKNOWN)
+ if (uport->type == PORT_UNKNOWN)
return 0;
/*
@@ -172,7 +173,7 @@ static int uart_startup(struct uart_state *state, int init_hw)
uart_circ_clear(&state->xmit);
}
- retval = port->ops->startup(port);
+ retval = uport->ops->startup(uport);
if (retval == 0) {
if (init_hw) {
/*
@@ -184,20 +185,20 @@ static int uart_startup(struct uart_state *state, int init_hw)
* Setup the RTS and DTR signals once the
* port is open and ready to respond.
*/
- if (state->port.tty->termios->c_cflag & CBAUD)
- uart_set_mctrl(port, TIOCM_RTS | TIOCM_DTR);
+ if (port->tty->termios->c_cflag & CBAUD)
+ uart_set_mctrl(uport, TIOCM_RTS | TIOCM_DTR);
}
if (state->flags & UIF_CTS_FLOW) {
- spin_lock_irq(&port->lock);
- if (!(port->ops->get_mctrl(port) & TIOCM_CTS))
- state->port.tty->hw_stopped = 1;
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ if (!(uport->ops->get_mctrl(uport) & TIOCM_CTS))
+ port->tty->hw_stopped = 1;
+ spin_unlock_irq(&uport->lock);
}
state->flags |= UIF_INITIALIZED;
- clear_bit(TTY_IO_ERROR, &state->port.tty->flags);
+ clear_bit(TTY_IO_ERROR, &port->tty->flags);
}
if (retval && capable(CAP_SYS_ADMIN))
@@ -672,7 +673,8 @@ static int uart_set_info(struct uart_state *state,
struct serial_struct __user *newinfo)
{
struct serial_struct new_serial;
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
unsigned long new_port;
unsigned int change_irq, change_port, closing_wait;
unsigned int old_custom_divisor, close_delay;
@@ -700,47 +702,47 @@ static int uart_set_info(struct uart_state *state,
*/
mutex_lock(&state->mutex);
- change_irq = !(port->flags & UPF_FIXED_PORT)
- && new_serial.irq != port->irq;
+ change_irq = !(uport->flags & UPF_FIXED_PORT)
+ && new_serial.irq != uport->irq;
/*
* Since changing the 'type' of the port changes its resource
* allocations, we should treat type changes the same as
* IO port changes.
*/
- change_port = !(port->flags & UPF_FIXED_PORT)
- && (new_port != port->iobase ||
- (unsigned long)new_serial.iomem_base != port->mapbase ||
- new_serial.hub6 != port->hub6 ||
- new_serial.io_type != port->iotype ||
- new_serial.iomem_reg_shift != port->regshift ||
- new_serial.type != port->type);
-
- old_flags = port->flags;
+ change_port = !(uport->flags & UPF_FIXED_PORT)
+ && (new_port != uport->iobase ||
+ (unsigned long)new_serial.iomem_base != uport->mapbase ||
+ new_serial.hub6 != uport->hub6 ||
+ new_serial.io_type != uport->iotype ||
+ new_serial.iomem_reg_shift != uport->regshift ||
+ new_serial.type != uport->type);
+
+ old_flags = uport->flags;
new_flags = new_serial.flags;
- old_custom_divisor = port->custom_divisor;
+ old_custom_divisor = uport->custom_divisor;
if (!capable(CAP_SYS_ADMIN)) {
retval = -EPERM;
if (change_irq || change_port ||
- (new_serial.baud_base != port->uartclk / 16) ||
- (close_delay != state->port.close_delay) ||
- (closing_wait != state->port.closing_wait) ||
+ (new_serial.baud_base != uport->uartclk / 16) ||
+ (close_delay != port->close_delay) ||
+ (closing_wait != port->closing_wait) ||
(new_serial.xmit_fifo_size &&
- new_serial.xmit_fifo_size != port->fifosize) ||
+ new_serial.xmit_fifo_size != uport->fifosize) ||
(((new_flags ^ old_flags) & ~UPF_USR_MASK) != 0))
goto exit;
- port->flags = ((port->flags & ~UPF_USR_MASK) |
+ uport->flags = ((uport->flags & ~UPF_USR_MASK) |
(new_flags & UPF_USR_MASK));
- port->custom_divisor = new_serial.custom_divisor;
+ uport->custom_divisor = new_serial.custom_divisor;
goto check_and_exit;
}
/*
* Ask the low level driver to verify the settings.
*/
- if (port->ops->verify_port)
- retval = port->ops->verify_port(port, &new_serial);
+ if (uport->ops->verify_port)
+ retval = uport->ops->verify_port(uport, &new_serial);
if ((new_serial.irq >= nr_irqs) || (new_serial.irq < 0) ||
(new_serial.baud_base < 9600))
@@ -769,31 +771,31 @@ static int uart_set_info(struct uart_state *state,
unsigned long old_iobase, old_mapbase;
unsigned int old_type, old_iotype, old_hub6, old_shift;
- old_iobase = port->iobase;
- old_mapbase = port->mapbase;
- old_type = port->type;
- old_hub6 = port->hub6;
- old_iotype = port->iotype;
- old_shift = port->regshift;
+ old_iobase = uport->iobase;
+ old_mapbase = uport->mapbase;
+ old_type = uport->type;
+ old_hub6 = uport->hub6;
+ old_iotype = uport->iotype;
+ old_shift = uport->regshift;
/*
* Free and release old regions
*/
if (old_type != PORT_UNKNOWN)
- port->ops->release_port(port);
+ uport->ops->release_port(uport);
- port->iobase = new_port;
- port->type = new_serial.type;
- port->hub6 = new_serial.hub6;
- port->iotype = new_serial.io_type;
- port->regshift = new_serial.iomem_reg_shift;
- port->mapbase = (unsigned long)new_serial.iomem_base;
+ uport->iobase = new_port;
+ uport->type = new_serial.type;
+ uport->hub6 = new_serial.hub6;
+ uport->iotype = new_serial.io_type;
+ uport->regshift = new_serial.iomem_reg_shift;
+ uport->mapbase = (unsigned long)new_serial.iomem_base;
/*
* Claim and map the new regions
*/
- if (port->type != PORT_UNKNOWN) {
- retval = port->ops->request_port(port);
+ if (uport->type != PORT_UNKNOWN) {
+ retval = uport->ops->request_port(uport);
} else {
/* Always success - Jean II */
retval = 0;
@@ -804,19 +806,19 @@ static int uart_set_info(struct uart_state *state,
* new port, try to restore the old settings.
*/
if (retval && old_type != PORT_UNKNOWN) {
- port->iobase = old_iobase;
- port->type = old_type;
- port->hub6 = old_hub6;
- port->iotype = old_iotype;
- port->regshift = old_shift;
- port->mapbase = old_mapbase;
- retval = port->ops->request_port(port);
+ uport->iobase = old_iobase;
+ uport->type = old_type;
+ uport->hub6 = old_hub6;
+ uport->iotype = old_iotype;
+ uport->regshift = old_shift;
+ uport->mapbase = old_mapbase;
+ retval = uport->ops->request_port(uport);
/*
* If we failed to restore the old settings,
* we fail like this.
*/
if (retval)
- port->type = PORT_UNKNOWN;
+ uport->type = PORT_UNKNOWN;
/*
* We failed anyway.
@@ -828,38 +830,38 @@ static int uart_set_info(struct uart_state *state,
}
if (change_irq)
- port->irq = new_serial.irq;
- if (!(port->flags & UPF_FIXED_PORT))
- port->uartclk = new_serial.baud_base * 16;
- port->flags = (port->flags & ~UPF_CHANGE_MASK) |
+ uport->irq = new_serial.irq;
+ if (!(uport->flags & UPF_FIXED_PORT))
+ uport->uartclk = new_serial.baud_base * 16;
+ uport->flags = (uport->flags & ~UPF_CHANGE_MASK) |
(new_flags & UPF_CHANGE_MASK);
- port->custom_divisor = new_serial.custom_divisor;
- state->port.close_delay = close_delay;
- state->port.closing_wait = closing_wait;
+ uport->custom_divisor = new_serial.custom_divisor;
+ port->close_delay = close_delay;
+ port->closing_wait = closing_wait;
if (new_serial.xmit_fifo_size)
- port->fifosize = new_serial.xmit_fifo_size;
- if (state->port.tty)
- state->port.tty->low_latency =
- (port->flags & UPF_LOW_LATENCY) ? 1 : 0;
+ uport->fifosize = new_serial.xmit_fifo_size;
+ if (port->tty)
+ port->tty->low_latency =
+ (uport->flags & UPF_LOW_LATENCY) ? 1 : 0;
check_and_exit:
retval = 0;
- if (port->type == PORT_UNKNOWN)
+ if (uport->type == PORT_UNKNOWN)
goto exit;
if (state->flags & UIF_INITIALIZED) {
- if (((old_flags ^ port->flags) & UPF_SPD_MASK) ||
- old_custom_divisor != port->custom_divisor) {
+ if (((old_flags ^ uport->flags) & UPF_SPD_MASK) ||
+ old_custom_divisor != uport->custom_divisor) {
/*
* If they're setting up a custom divisor or speed,
* instead of clearing it, then bitch about it. No
* need to rate-limit; it's CAP_SYS_ADMIN only.
*/
- if (port->flags & UPF_SPD_MASK) {
+ if (uport->flags & UPF_SPD_MASK) {
char buf[64];
printk(KERN_NOTICE
"%s sets custom speed on %s. This "
"is deprecated.\n", current->comm,
- tty_name(state->port.tty, buf));
+ tty_name(port->tty, buf));
}
uart_change_speed(state, NULL);
}
@@ -878,10 +880,11 @@ static int uart_set_info(struct uart_state *state,
static int uart_get_lsr_info(struct uart_state *state,
unsigned int __user *value)
{
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
unsigned int result;
- result = port->ops->tx_empty(port);
+ result = uport->ops->tx_empty(uport);
/*
* If we're about to load something into the transmit
@@ -889,9 +892,9 @@ static int uart_get_lsr_info(struct uart_state *state,
* avoid a race condition (depending on when the transmit
* interrupt happens).
*/
- if (port->x_char ||
+ if (uport->x_char ||
((uart_circ_chars_pending(&state->xmit) > 0) &&
- !state->port.tty->stopped && !state->port.tty->hw_stopped))
+ !port->tty->stopped && !port->tty->hw_stopped))
result &= ~TIOCSER_TEMT;
return put_user(result, value);
@@ -900,17 +903,17 @@ static int uart_get_lsr_info(struct uart_state *state,
static int uart_tiocmget(struct tty_struct *tty, struct file *file)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
int result = -EIO;
mutex_lock(&state->mutex);
if ((!file || !tty_hung_up_p(file)) &&
!(tty->flags & (1 << TTY_IO_ERROR))) {
- result = port->mctrl;
+ result = uport->mctrl;
- spin_lock_irq(&port->lock);
- result |= port->ops->get_mctrl(port);
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ result |= uport->ops->get_mctrl(uport);
+ spin_unlock_irq(&uport->lock);
}
mutex_unlock(&state->mutex);
@@ -922,13 +925,13 @@ uart_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
int ret = -EIO;
mutex_lock(&state->mutex);
if ((!file || !tty_hung_up_p(file)) &&
!(tty->flags & (1 << TTY_IO_ERROR))) {
- uart_update_mctrl(port, set, clear);
+ uart_update_mctrl(uport, set, clear);
ret = 0;
}
mutex_unlock(&state->mutex);
@@ -938,12 +941,12 @@ uart_tiocmset(struct tty_struct *tty, struct file *file,
static int uart_break_ctl(struct tty_struct *tty, int break_state)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
mutex_lock(&state->mutex);
- if (port->type != PORT_UNKNOWN)
- port->ops->break_ctl(port, break_state);
+ if (uport->type != PORT_UNKNOWN)
+ uport->ops->break_ctl(uport, break_state);
mutex_unlock(&state->mutex);
return 0;
@@ -951,7 +954,7 @@ static int uart_break_ctl(struct tty_struct *tty, int break_state)
static int uart_do_autoconfig(struct uart_state *state)
{
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
int flags, ret;
if (!capable(CAP_SYS_ADMIN))
@@ -973,18 +976,18 @@ static int uart_do_autoconfig(struct uart_state *state)
* If we already have a port type configured,
* we must release its resources.
*/
- if (port->type != PORT_UNKNOWN)
- port->ops->release_port(port);
+ if (uport->type != PORT_UNKNOWN)
+ uport->ops->release_port(uport);
flags = UART_CONFIG_TYPE;
- if (port->flags & UPF_AUTO_IRQ)
+ if (uport->flags & UPF_AUTO_IRQ)
flags |= UART_CONFIG_IRQ;
/*
* This will claim the ports resources if
* a port is found.
*/
- port->ops->config_port(port, flags);
+ uport->ops->config_port(uport, flags);
ret = uart_startup(state, 1);
}
@@ -1001,7 +1004,7 @@ static int uart_do_autoconfig(struct uart_state *state)
static int
uart_wait_modem_status(struct uart_state *state, unsigned long arg)
{
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
DECLARE_WAITQUEUE(wait, current);
struct uart_icount cprev, cnow;
int ret;
@@ -1009,20 +1012,20 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
/*
* note the counters on entry
*/
- spin_lock_irq(&port->lock);
- memcpy(&cprev, &port->icount, sizeof(struct uart_icount));
+ spin_lock_irq(&uport->lock);
+ memcpy(&cprev, &uport->icount, sizeof(struct uart_icount));
/*
* Force modem status interrupts on
*/
- port->ops->enable_ms(port);
- spin_unlock_irq(&port->lock);
+ uport->ops->enable_ms(uport);
+ spin_unlock_irq(&uport->lock);
add_wait_queue(&state->delta_msr_wait, &wait);
for (;;) {
- spin_lock_irq(&port->lock);
- memcpy(&cnow, &port->icount, sizeof(struct uart_icount));
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ memcpy(&cnow, &uport->icount, sizeof(struct uart_icount));
+ spin_unlock_irq(&uport->lock);
set_current_state(TASK_INTERRUPTIBLE);
@@ -1062,11 +1065,11 @@ static int uart_get_count(struct uart_state *state,
{
struct serial_icounter_struct icount;
struct uart_icount cnow;
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
- spin_lock_irq(&port->lock);
- memcpy(&cnow, &port->icount, sizeof(struct uart_icount));
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ memcpy(&cnow, &uport->icount, sizeof(struct uart_icount));
+ spin_unlock_irq(&uport->lock);
icount.cts = cnow.cts;
icount.dsr = cnow.dsr;
@@ -1158,9 +1161,9 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
break;
default: {
- struct uart_port *port = state->uart_port;
- if (port->ops->ioctl)
- ret = port->ops->ioctl(port, cmd, arg);
+ struct uart_port *uport = state->uart_port;
+ if (uport->ops->ioctl)
+ ret = uport->ops->ioctl(uport, cmd, arg);
break;
}
}
@@ -1173,10 +1176,10 @@ out:
static void uart_set_ldisc(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
- if (port->ops->set_ldisc)
- port->ops->set_ldisc(port);
+ if (uport->ops->set_ldisc)
+ uport->ops->set_ldisc(uport);
}
static void uart_set_termios(struct tty_struct *tty,
@@ -1254,16 +1257,15 @@ static void uart_set_termios(struct tty_struct *tty,
static void uart_close(struct tty_struct *tty, struct file *filp)
{
struct uart_state *state = tty->driver_data;
- struct uart_port *port;
+ struct tty_port *port;
+ struct uart_port *uport;
BUG_ON(!kernel_locked());
- if (!state || !state->uart_port)
- return;
-
- port = state->uart_port;
+ uport = state->uart_port;
+ port = &state->port;
- pr_debug("uart_close(%d) called\n", port->line);
+ pr_debug("uart_close(%d) called\n", uport->line);
mutex_lock(&state->mutex);
@@ -1297,8 +1299,8 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
*/
tty->closing = 1;
- if (state->port.closing_wait != USF_CLOSING_WAIT_NONE)
- tty_wait_until_sent(tty, msecs_to_jiffies(state->port.closing_wait));
+ if (port->closing_wait != USF_CLOSING_WAIT_NONE)
+ tty_wait_until_sent(tty, msecs_to_jiffies(port->closing_wait));
/*
* At this point, we stop accepting input. To do this, we
@@ -1307,14 +1309,14 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
if (state->flags & UIF_INITIALIZED) {
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
- port->ops->stop_rx(port);
+ uport->ops->stop_rx(uport);
spin_unlock_irqrestore(&port->lock, flags);
/*
* Before we drop DTR, make sure the UART transmitter
* has completely drained; this is especially
* important if there is a transmit FIFO!
*/
- uart_wait_until_sent(tty, port->timeout);
+ uart_wait_until_sent(tty, uport->timeout);
}
uart_shutdown(state);
@@ -1323,12 +1325,12 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
tty_ldisc_flush(tty);
tty->closing = 0;
- state->port.tty = NULL;
+ port->tty = NULL;
- if (state->port.blocked_open) {
- if (state->port.close_delay)
- msleep_interruptible(state->port.close_delay);
- } else if (!uart_console(port)) {
+ if (port->blocked_open) {
+ if (port->close_delay)
+ msleep_interruptible(port->close_delay);
+ } else if (!uart_console(uport)) {
uart_change_pm(state, 3);
}
@@ -1336,9 +1338,9 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
* Wake up anyone trying to open this port.
*/
state->flags &= ~UIF_NORMAL_ACTIVE;
- wake_up_interruptible(&state->port.open_wait);
+ wake_up_interruptible(&port->open_wait);
- done:
+done:
mutex_unlock(&state->mutex);
}
@@ -1410,6 +1412,7 @@ static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
static void uart_hangup(struct tty_struct *tty)
{
struct uart_state *state = tty->driver_data;
+ struct tty_port *port = &state->port;
BUG_ON(!kernel_locked());
pr_debug("uart_hangup(%d)\n", state->uart_port->line);
@@ -1420,8 +1423,8 @@ static void uart_hangup(struct tty_struct *tty)
uart_shutdown(state);
state->count = 0;
state->flags &= ~UIF_NORMAL_ACTIVE;
- state->port.tty = NULL;
- wake_up_interruptible(&state->port.open_wait);
+ port->tty = NULL;
+ wake_up_interruptible(&port->open_wait);
wake_up_interruptible(&state->delta_msr_wait);
}
mutex_unlock(&state->mutex);
@@ -1470,20 +1473,21 @@ static int
uart_block_til_ready(struct file *filp, struct uart_state *state)
{
DECLARE_WAITQUEUE(wait, current);
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
unsigned int mctrl;
- state->port.blocked_open++;
+ port->blocked_open++;
state->count--;
- add_wait_queue(&state->port.open_wait, &wait);
+ add_wait_queue(&port->open_wait, &wait);
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
/*
* If we have been hung up, tell userspace/restart open.
*/
- if (tty_hung_up_p(filp) || state->port.tty == NULL)
+ if (tty_hung_up_p(filp) || port->tty == NULL)
break;
/*
@@ -1502,8 +1506,8 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
* have set TTY_IO_ERROR for a non-existant port.
*/
if ((filp->f_flags & O_NONBLOCK) ||
- (state->port.tty->termios->c_cflag & CLOCAL) ||
- (state->port.tty->flags & (1 << TTY_IO_ERROR)))
+ (port->tty->termios->c_cflag & CLOCAL) ||
+ (port->tty->flags & (1 << TTY_IO_ERROR)))
break;
/*
@@ -1511,17 +1515,17 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
* not set RTS here - we want to make sure we catch
* the data from the modem.
*/
- if (state->port.tty->termios->c_cflag & CBAUD)
- uart_set_mctrl(port, TIOCM_DTR);
+ if (port->tty->termios->c_cflag & CBAUD)
+ uart_set_mctrl(uport, TIOCM_DTR);
/*
* and wait for the carrier to indicate that the
* modem is ready for us.
*/
- spin_lock_irq(&port->lock);
- port->ops->enable_ms(port);
- mctrl = port->ops->get_mctrl(port);
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ uport->ops->enable_ms(uport);
+ mctrl = uport->ops->get_mctrl(uport);
+ spin_unlock_irq(&uport->lock);
if (mctrl & TIOCM_CAR)
break;
@@ -1533,15 +1537,15 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
break;
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(&state->port.open_wait, &wait);
+ remove_wait_queue(&port->open_wait, &wait);
state->count++;
- state->port.blocked_open--;
+ port->blocked_open--;
if (signal_pending(current))
return -ERESTARTSYS;
- if (!state->port.tty || tty_hung_up_p(filp))
+ if (!port->tty || tty_hung_up_p(filp))
return -EAGAIN;
return 0;
--
GitLab
From 91312cdb4fcd832341e425f74f49938e0503c929 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:29 -0700
Subject: [PATCH 694/742] serial: move count into the tty_port version
Remove more stuff from the serial special case code
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/serial_core.c | 38 +++++++++++++++++++-----------------
include/linux/serial_core.h | 1 -
2 files changed, 20 insertions(+), 19 deletions(-)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 0ffefb3f1d8f..4af3364dd811 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -52,7 +52,7 @@ static struct lock_class_key port_lock_key;
#define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
-#define uart_users(state) ((state)->count + (state)->port.blocked_open)
+#define uart_users(state) ((state)->port.count + (state)->port.blocked_open)
#ifdef CONFIG_SERIAL_CORE_CONSOLE
#define uart_console(port) ((port)->cons && (port)->cons->index == (port)->line)
@@ -694,7 +694,7 @@ static int uart_set_info(struct uart_state *state,
USF_CLOSING_WAIT_NONE : new_serial.closing_wait * 10;
/*
- * This semaphore protects state->count. It is also
+ * This semaphore protects port->count. It is also
* very useful to prevent opens. Also, take the
* port configuration semaphore to make sure that a
* module insertion/removal doesn't change anything
@@ -1272,24 +1272,24 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
if (tty_hung_up_p(filp))
goto done;
- if ((tty->count == 1) && (state->count != 1)) {
+ if ((tty->count == 1) && (port->count != 1)) {
/*
* Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. state->count should always
+ * structure will be freed. port->count should always
* be one in these conditions. If it's greater than
* one, we've got real problems, since it means the
* serial port won't be shutdown.
*/
printk(KERN_ERR "uart_close: bad serial port count; tty->count is 1, "
- "state->count is %d\n", state->count);
- state->count = 1;
+ "port->count is %d\n", port->count);
+ port->count = 1;
}
- if (--state->count < 0) {
+ if (--port->count < 0) {
printk(KERN_ERR "uart_close: bad serial port count for %s: %d\n",
- tty->name, state->count);
- state->count = 0;
+ tty->name, port->count);
+ port->count = 0;
}
- if (state->count)
+ if (port->count)
goto done;
/*
@@ -1421,7 +1421,7 @@ static void uart_hangup(struct tty_struct *tty)
if (state->flags & UIF_NORMAL_ACTIVE) {
uart_flush_buffer(tty);
uart_shutdown(state);
- state->count = 0;
+ port->count = 0;
state->flags &= ~UIF_NORMAL_ACTIVE;
port->tty = NULL;
wake_up_interruptible(&port->open_wait);
@@ -1478,7 +1478,7 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
unsigned int mctrl;
port->blocked_open++;
- state->count--;
+ port->count--;
add_wait_queue(&port->open_wait, &wait);
while (1) {
@@ -1539,7 +1539,7 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
set_current_state(TASK_RUNNING);
remove_wait_queue(&port->open_wait, &wait);
- state->count++;
+ port->count++;
port->blocked_open--;
if (signal_pending(current))
@@ -1562,7 +1562,7 @@ static struct uart_state *uart_get(struct uart_driver *drv, int line)
goto err;
}
- state->count++;
+ state->port.count++;
if (!state->uart_port || state->uart_port->flags & UPF_DEAD) {
ret = -ENXIO;
goto err_unlock;
@@ -1570,7 +1570,7 @@ static struct uart_state *uart_get(struct uart_driver *drv, int line)
return state;
err_unlock:
- state->count--;
+ state->port.count--;
mutex_unlock(&state->mutex);
err:
return ERR_PTR(ret);
@@ -1590,6 +1590,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
{
struct uart_driver *drv = (struct uart_driver *)tty->driver->driver_state;
struct uart_state *state;
+ struct tty_port *port;
int retval, line = tty->index;
BUG_ON(!kernel_locked());
@@ -1617,6 +1618,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
retval = PTR_ERR(state);
goto fail;
}
+ port = &state->port;
/*
* Once we set tty->driver_data here, we are guaranteed that
@@ -1627,14 +1629,14 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
state->uart_port->state = state;
tty->low_latency = (state->uart_port->flags & UPF_LOW_LATENCY) ? 1 : 0;
tty->alt_speed = 0;
- state->port.tty = tty;
+ port->tty = tty;
/*
* If the port is in the middle of closing, bail out now.
*/
if (tty_hung_up_p(filp)) {
retval = -EAGAIN;
- state->count--;
+ port->count--;
mutex_unlock(&state->mutex);
goto fail;
}
@@ -1642,7 +1644,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
/*
* Make sure the device is in D0 state.
*/
- if (state->count == 1)
+ if (port->count == 1)
uart_change_pm(state, 0);
/*
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index fd11d4d5a571..63ad90966db2 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -354,7 +354,6 @@ struct uart_state {
#define USF_CLOSING_WAIT_INF (0)
#define USF_CLOSING_WAIT_NONE (~0U)
- int count;
int pm_state;
struct circ_buf xmit;
uif_t flags;
--
GitLab
From ccce6debb62d94964e3878f978a56b0f3e32d94f Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:30 -0700
Subject: [PATCH 695/742] serial: move the flags into the tty_port field
Fortunately the serial layer was designed to use the same flag values but
with different names. It has its own SUSPENDED flag which is a free slot in
the ASYNC flags so we allocate it in the ASYNC flags instead.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/serial_core.c | 153 ++++++++++++++++++-----------------
include/linux/serial.h | 2 +
include/linux/serial_core.h | 48 +++++------
3 files changed, 98 insertions(+), 105 deletions(-)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 4af3364dd811..744dec9301fb 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -29,10 +29,10 @@
#include <linux/console.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
-#include <linux/serial_core.h>
#include <linux/smp_lock.h>
#include <linux/device.h>
#include <linux/serial.h> /* for serial_state and serial_icounter_struct */
+#include <linux/serial_core.h>
#include <linux/delay.h>
#include <linux/mutex.h>
@@ -146,7 +146,7 @@ static int uart_startup(struct uart_state *state, int init_hw)
unsigned long page;
int retval = 0;
- if (state->flags & UIF_INITIALIZED)
+ if (port->flags & ASYNC_INITIALIZED)
return 0;
/*
@@ -189,14 +189,14 @@ static int uart_startup(struct uart_state *state, int init_hw)
uart_set_mctrl(uport, TIOCM_RTS | TIOCM_DTR);
}
- if (state->flags & UIF_CTS_FLOW) {
+ if (port->flags & ASYNC_CTS_FLOW) {
spin_lock_irq(&uport->lock);
if (!(uport->ops->get_mctrl(uport) & TIOCM_CTS))
port->tty->hw_stopped = 1;
spin_unlock_irq(&uport->lock);
}
- state->flags |= UIF_INITIALIZED;
+ set_bit(ASYNCB_INITIALIZED, &port->flags);
clear_bit(TTY_IO_ERROR, &port->tty->flags);
}
@@ -214,7 +214,7 @@ static int uart_startup(struct uart_state *state, int init_hw)
*/
static void uart_shutdown(struct uart_state *state)
{
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
struct tty_struct *tty = state->port.tty;
/*
@@ -223,14 +223,12 @@ static void uart_shutdown(struct uart_state *state)
if (tty)
set_bit(TTY_IO_ERROR, &tty->flags);
- if (state->flags & UIF_INITIALIZED) {
- state->flags &= ~UIF_INITIALIZED;
-
+ if (test_and_clear_bit(ASYNCB_INITIALIZED, &state->port.flags)) {
/*
* Turn off DTR and RTS early.
*/
if (!tty || (tty->termios->c_cflag & HUPCL))
- uart_clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
+ uart_clear_mctrl(uport, TIOCM_DTR | TIOCM_RTS);
/*
* clear delta_msr_wait queue to avoid mem leaks: we may free
@@ -244,12 +242,12 @@ static void uart_shutdown(struct uart_state *state)
/*
* Free the IRQ and disable the port.
*/
- port->ops->shutdown(port);
+ uport->ops->shutdown(uport);
/*
* Ensure that the IRQ handler isn't running on another CPU.
*/
- synchronize_irq(port->irq);
+ synchronize_irq(uport->irq);
}
/*
@@ -429,15 +427,16 @@ EXPORT_SYMBOL(uart_get_divisor);
static void
uart_change_speed(struct uart_state *state, struct ktermios *old_termios)
{
- struct tty_struct *tty = state->port.tty;
- struct uart_port *port = state->uart_port;
+ struct tty_port *port = &state->port;
+ struct tty_struct *tty = port->tty;
+ struct uart_port *uport = state->uart_port;
struct ktermios *termios;
/*
* If we have no tty, termios, or the port does not exist,
* then we can't set the parameters for this port.
*/
- if (!tty || !tty->termios || port->type == PORT_UNKNOWN)
+ if (!tty || !tty->termios || uport->type == PORT_UNKNOWN)
return;
termios = tty->termios;
@@ -446,16 +445,16 @@ uart_change_speed(struct uart_state *state, struct ktermios *old_termios)
* Set flags based on termios cflag
*/
if (termios->c_cflag & CRTSCTS)
- state->flags |= UIF_CTS_FLOW;
+ set_bit(ASYNCB_CTS_FLOW, &port->flags);
else
- state->flags &= ~UIF_CTS_FLOW;
+ clear_bit(ASYNCB_CTS_FLOW, &port->flags);
if (termios->c_cflag & CLOCAL)
- state->flags &= ~UIF_CHECK_CD;
+ clear_bit(ASYNCB_CHECK_CD, &port->flags);
else
- state->flags |= UIF_CHECK_CD;
+ set_bit(ASYNCB_CHECK_CD, &port->flags);
- port->ops->set_termios(port, termios, old_termios);
+ uport->ops->set_termios(uport, termios, old_termios);
}
static inline int
@@ -848,7 +847,7 @@ static int uart_set_info(struct uart_state *state,
retval = 0;
if (uport->type == PORT_UNKNOWN)
goto exit;
- if (state->flags & UIF_INITIALIZED) {
+ if (port->flags & ASYNC_INITIALIZED) {
if (((old_flags ^ uport->flags) & UPF_SPD_MASK) ||
old_custom_divisor != uport->custom_divisor) {
/*
@@ -1306,7 +1305,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
* At this point, we stop accepting input. To do this, we
* disable the receive line status interrupts.
*/
- if (state->flags & UIF_INITIALIZED) {
+ if (port->flags & ASYNC_INITIALIZED) {
unsigned long flags;
spin_lock_irqsave(&port->lock, flags);
uport->ops->stop_rx(uport);
@@ -1337,7 +1336,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
/*
* Wake up anyone trying to open this port.
*/
- state->flags &= ~UIF_NORMAL_ACTIVE;
+ clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
wake_up_interruptible(&port->open_wait);
done:
@@ -1418,11 +1417,11 @@ static void uart_hangup(struct tty_struct *tty)
pr_debug("uart_hangup(%d)\n", state->uart_port->line);
mutex_lock(&state->mutex);
- if (state->flags & UIF_NORMAL_ACTIVE) {
+ if (port->flags & ASYNC_NORMAL_ACTIVE) {
uart_flush_buffer(tty);
uart_shutdown(state);
port->count = 0;
- state->flags &= ~UIF_NORMAL_ACTIVE;
+ clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
port->tty = NULL;
wake_up_interruptible(&port->open_wait);
wake_up_interruptible(&state->delta_msr_wait);
@@ -1493,7 +1492,7 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
/*
* If the port has been closed, tell userspace/restart open.
*/
- if (!(state->flags & UIF_INITIALIZED))
+ if (!(port->flags & ASYNC_INITIALIZED))
break;
/*
@@ -1662,8 +1661,8 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
/*
* If this is the first open to succeed, adjust things to suit.
*/
- if (retval == 0 && !(state->flags & UIF_NORMAL_ACTIVE)) {
- state->flags |= UIF_NORMAL_ACTIVE;
+ if (retval == 0 && !(port->flags & ASYNC_NORMAL_ACTIVE)) {
+ set_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
uart_update_termios(state);
}
@@ -1985,63 +1984,64 @@ static int serial_match_port(struct device *dev, void *data)
return dev->devt == devt; /* Actually, only one tty per port */
}
-int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
+int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
{
- struct uart_state *state = drv->state + port->line;
+ struct uart_state *state = drv->state + uport->line;
+ struct tty_port *port = &state->port;
struct device *tty_dev;
- struct uart_match match = {port, drv};
+ struct uart_match match = {uport, drv};
mutex_lock(&state->mutex);
- if (!console_suspend_enabled && uart_console(port)) {
+ if (!console_suspend_enabled && uart_console(uport)) {
/* we're going to avoid suspending serial console */
mutex_unlock(&state->mutex);
return 0;
}
- tty_dev = device_find_child(port->dev, &match, serial_match_port);
+ tty_dev = device_find_child(uport->dev, &match, serial_match_port);
if (device_may_wakeup(tty_dev)) {
- enable_irq_wake(port->irq);
+ enable_irq_wake(uport->irq);
put_device(tty_dev);
mutex_unlock(&state->mutex);
return 0;
}
- port->suspended = 1;
+ uport->suspended = 1;
- if (state->flags & UIF_INITIALIZED) {
- const struct uart_ops *ops = port->ops;
+ if (port->flags & ASYNC_INITIALIZED) {
+ const struct uart_ops *ops = uport->ops;
int tries;
- state->flags = (state->flags & ~UIF_INITIALIZED)
- | UIF_SUSPENDED;
+ set_bit(ASYNCB_SUSPENDED, &port->flags);
+ clear_bit(ASYNCB_INITIALIZED, &port->flags);
- spin_lock_irq(&port->lock);
- ops->stop_tx(port);
- ops->set_mctrl(port, 0);
- ops->stop_rx(port);
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ ops->stop_tx(uport);
+ ops->set_mctrl(uport, 0);
+ ops->stop_rx(uport);
+ spin_unlock_irq(&uport->lock);
/*
* Wait for the transmitter to empty.
*/
- for (tries = 3; !ops->tx_empty(port) && tries; tries--)
+ for (tries = 3; !ops->tx_empty(uport) && tries; tries--)
msleep(10);
if (!tries)
printk(KERN_ERR "%s%s%s%d: Unable to drain "
"transmitter\n",
- port->dev ? dev_name(port->dev) : "",
- port->dev ? ": " : "",
+ uport->dev ? dev_name(uport->dev) : "",
+ uport->dev ? ": " : "",
drv->dev_name,
- drv->tty_driver->name_base + port->line);
+ drv->tty_driver->name_base + uport->line);
- ops->shutdown(port);
+ ops->shutdown(uport);
}
/*
* Disable the console device before suspending.
*/
- if (uart_console(port))
- console_stop(port->cons);
+ if (uart_console(uport))
+ console_stop(uport->cons);
uart_change_pm(state, 3);
@@ -2050,67 +2050,68 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
return 0;
}
-int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
+int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
{
- struct uart_state *state = drv->state + port->line;
+ struct uart_state *state = drv->state + uport->line;
+ struct tty_port *port = &state->port;
struct device *tty_dev;
- struct uart_match match = {port, drv};
+ struct uart_match match = {uport, drv};
mutex_lock(&state->mutex);
- if (!console_suspend_enabled && uart_console(port)) {
+ if (!console_suspend_enabled && uart_console(uport)) {
/* no need to resume serial console, it wasn't suspended */
mutex_unlock(&state->mutex);
return 0;
}
- tty_dev = device_find_child(port->dev, &match, serial_match_port);
- if (!port->suspended && device_may_wakeup(tty_dev)) {
- disable_irq_wake(port->irq);
+ tty_dev = device_find_child(uport->dev, &match, serial_match_port);
+ if (!uport->suspended && device_may_wakeup(tty_dev)) {
+ disable_irq_wake(uport->irq);
mutex_unlock(&state->mutex);
return 0;
}
- port->suspended = 0;
+ uport->suspended = 0;
/*
* Re-enable the console device after suspending.
*/
- if (uart_console(port)) {
+ if (uart_console(uport)) {
struct ktermios termios;
/*
* First try to use the console cflag setting.
*/
memset(&termios, 0, sizeof(struct ktermios));
- termios.c_cflag = port->cons->cflag;
+ termios.c_cflag = uport->cons->cflag;
/*
* If that's unset, use the tty termios setting.
*/
- if (state->port.tty && termios.c_cflag == 0)
- termios = *state->port.tty->termios;
+ if (port->tty && termios.c_cflag == 0)
+ termios = *port->tty->termios;
uart_change_pm(state, 0);
- port->ops->set_termios(port, &termios, NULL);
- console_start(port->cons);
+ uport->ops->set_termios(uport, &termios, NULL);
+ console_start(uport->cons);
}
- if (state->flags & UIF_SUSPENDED) {
- const struct uart_ops *ops = port->ops;
+ if (port->flags & ASYNC_SUSPENDED) {
+ const struct uart_ops *ops = uport->ops;
int ret;
uart_change_pm(state, 0);
- spin_lock_irq(&port->lock);
- ops->set_mctrl(port, 0);
- spin_unlock_irq(&port->lock);
- ret = ops->startup(port);
+ spin_lock_irq(&uport->lock);
+ ops->set_mctrl(uport, 0);
+ spin_unlock_irq(&uport->lock);
+ ret = ops->startup(uport);
if (ret == 0) {
uart_change_speed(state, NULL);
- spin_lock_irq(&port->lock);
- ops->set_mctrl(port, port->mctrl);
- ops->start_tx(port);
- spin_unlock_irq(&port->lock);
- state->flags |= UIF_INITIALIZED;
+ spin_lock_irq(&uport->lock);
+ ops->set_mctrl(uport, uport->mctrl);
+ ops->start_tx(uport);
+ spin_unlock_irq(&uport->lock);
+ set_bit(ASYNCB_INITIALIZED, &port->flags);
} else {
/*
* Failed to resume - maybe hardware went away?
@@ -2120,7 +2121,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
uart_shutdown(state);
}
- state->flags &= ~UIF_SUSPENDED;
+ clear_bit(ASYNCB_SUSPENDED, &port->flags);
}
mutex_unlock(&state->mutex);
diff --git a/include/linux/serial.h b/include/linux/serial.h
index e5bb75a63802..c8613c3ff9d3 100644
--- a/include/linux/serial.h
+++ b/include/linux/serial.h
@@ -122,6 +122,7 @@ struct serial_uart_config {
/* Internal flags used only by kernel */
#define ASYNCB_INITIALIZED 31 /* Serial port was initialized */
+#define ASYNCB_SUSPENDED 30 /* Serial port is suspended */
#define ASYNCB_NORMAL_ACTIVE 29 /* Normal device is active */
#define ASYNCB_BOOT_AUTOCONF 28 /* Autoconfigure port on bootup */
#define ASYNCB_CLOSING 27 /* Serial port is closing */
@@ -133,6 +134,7 @@ struct serial_uart_config {
#define ASYNCB_FIRST_KERNEL 22
#define ASYNC_HUP_NOTIFY (1U << ASYNCB_HUP_NOTIFY)
+#define ASYNC_SUSPENDED (1U << ASYNCB_SUSPENDED)
#define ASYNC_FOURPORT (1U << ASYNCB_FOURPORT)
#define ASYNC_SAK (1U << ASYNCB_SAK)
#define ASYNC_SPLIT_TERMIOS (1U << ASYNCB_SPLIT_TERMIOS)
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 63ad90966db2..284ef7f54890 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -20,6 +20,8 @@
#ifndef LINUX_SERIAL_CORE_H
#define LINUX_SERIAL_CORE_H
+#include <linux/serial.h>
+
/*
* The type definitions. These are from Ted Ts'o's serial.h
*/
@@ -356,19 +358,6 @@ struct uart_state {
int pm_state;
struct circ_buf xmit;
- uif_t flags;
-
-/*
- * Definitions for info->flags. These are _private_ to serial_core, and
- * are specific to this structure. They may be queried by low level drivers.
- *
- * FIXME: use the ASY_ definitions
- */
-#define UIF_CHECK_CD ((__force uif_t) (1 << 25))
-#define UIF_CTS_FLOW ((__force uif_t) (1 << 26))
-#define UIF_NORMAL_ACTIVE ((__force uif_t) (1 << 29))
-#define UIF_INITIALIZED ((__force uif_t) (1 << 31))
-#define UIF_SUSPENDED ((__force uif_t) (1 << 30))
struct tasklet_struct tlet;
wait_queue_head_t delta_msr_wait;
@@ -509,22 +498,23 @@ static inline int uart_handle_break(struct uart_port *port)
* @status: new carrier detect status, nonzero if active
*/
static inline void
-uart_handle_dcd_change(struct uart_port *port, unsigned int status)
+uart_handle_dcd_change(struct uart_port *uport, unsigned int status)
{
- struct uart_state *state = port->state;
+ struct uart_state *state = uport->state;
+ struct tty_port *port = &state->port;
- port->icount.dcd++;
+ uport->icount.dcd++;
#ifdef CONFIG_HARD_PPS
- if ((port->flags & UPF_HARDPPS_CD) && status)
+ if ((uport->flags & UPF_HARDPPS_CD) && status)
hardpps();
#endif
- if (state->flags & UIF_CHECK_CD) {
+ if (port->flags & ASYNC_CHECK_CD) {
if (status)
- wake_up_interruptible(&state->port.open_wait);
- else if (state->port.tty)
- tty_hangup(state->port.tty);
+ wake_up_interruptible(&port->open_wait);
+ else if (port->tty)
+ tty_hangup(port->tty);
}
}
@@ -534,24 +524,24 @@ uart_handle_dcd_change(struct uart_port *port, unsigned int status)
* @status: new clear to send status, nonzero if active
*/
static inline void
-uart_handle_cts_change(struct uart_port *port, unsigned int status)
+uart_handle_cts_change(struct uart_port *uport, unsigned int status)
{
- struct uart_state *state = port->state;
- struct tty_struct *tty = state->port.tty;
+ struct tty_port *port = &uport->state->port;
+ struct tty_struct *tty = port->tty;
- port->icount.cts++;
+ uport->icount.cts++;
- if (state->flags & UIF_CTS_FLOW) {
+ if (port->flags & ASYNC_CTS_FLOW) {
if (tty->hw_stopped) {
if (status) {
tty->hw_stopped = 0;
- port->ops->start_tx(port);
- uart_write_wakeup(port);
+ uport->ops->start_tx(uport);
+ uart_write_wakeup(uport);
}
} else {
if (!status) {
tty->hw_stopped = 1;
- port->ops->stop_tx(port);
+ uport->ops->stop_tx(uport);
}
}
}
--
GitLab
From a03006860d272eac5a8ebf23f04f54c7e1e783a5 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:30 -0700
Subject: [PATCH 696/742] serial: kill off uif_t
This typedef is now extinct
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
include/linux/serial_core.h | 11 -----------
1 file changed, 11 deletions(-)
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 284ef7f54890..f98dc78abb27 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -336,19 +336,8 @@ struct uart_port {
void *private_data; /* generic platform data pointer */
};
-/*
- * This is the state information which is only valid when the port
- * is open; it may be cleared the core driver once the device has
- * been closed. Either the low level driver or the core can modify
- * stuff here.
- */
-typedef unsigned int __bitwise__ uif_t;
-
-
/*
* This is the state information which is persistent across opens.
- * The low level driver must not to touch any elements contained
- * within.
*/
struct uart_state {
struct tty_port port;
--
GitLab
From a2bceae065ed8c4f552b35c4dde4cc2db05ce9e3 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:31 -0700
Subject: [PATCH 697/742] serial: replace the state mutex with the tty port
mutex
They cover essentially the same stuff and we can therefore fold it into the
tty_port one.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/pmac_zilog.c | 8 +-
drivers/serial/serial_core.c | 227 ++++++++++++++++++-----------------
include/linux/serial_core.h | 2 -
3 files changed, 123 insertions(+), 114 deletions(-)
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index ab4c85ba3549..0dc786835dca 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -1645,7 +1645,7 @@ static int pmz_suspend(struct macio_dev *mdev, pm_message_t pm_state)
state = pmz_uart_reg.state + uap->port.line;
mutex_lock(&pmz_irq_mutex);
- mutex_lock(&state->mutex);
+ mutex_lock(&state->port.mutex);
spin_lock_irqsave(&uap->port.lock, flags);
@@ -1676,7 +1676,7 @@ static int pmz_suspend(struct macio_dev *mdev, pm_message_t pm_state)
/* Shut the chip down */
pmz_set_scc_power(uap, 0);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&state->port.mutex);
mutex_unlock(&pmz_irq_mutex);
pmz_debug("suspend, switching complete\n");
@@ -1705,7 +1705,7 @@ static int pmz_resume(struct macio_dev *mdev)
state = pmz_uart_reg.state + uap->port.line;
mutex_lock(&pmz_irq_mutex);
- mutex_lock(&state->mutex);
+ mutex_lock(&state->port.mutex);
spin_lock_irqsave(&uap->port.lock, flags);
if (!ZS_IS_OPEN(uap) && !ZS_IS_CONS(uap)) {
@@ -1737,7 +1737,7 @@ static int pmz_resume(struct macio_dev *mdev)
}
bail:
- mutex_unlock(&state->mutex);
+ mutex_unlock(&state->port.mutex);
mutex_unlock(&pmz_irq_mutex);
/* Right now, we deal with delay by blocking here, I'll be
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 744dec9301fb..9d42e57e1971 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -633,35 +633,36 @@ static void uart_unthrottle(struct tty_struct *tty)
static int uart_get_info(struct uart_state *state,
struct serial_struct __user *retinfo)
{
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
struct serial_struct tmp;
memset(&tmp, 0, sizeof(tmp));
/* Ensure the state we copy is consistent and no hardware changes
occur as we go */
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
- tmp.type = port->type;
- tmp.line = port->line;
- tmp.port = port->iobase;
+ tmp.type = uport->type;
+ tmp.line = uport->line;
+ tmp.port = uport->iobase;
if (HIGH_BITS_OFFSET)
- tmp.port_high = (long) port->iobase >> HIGH_BITS_OFFSET;
- tmp.irq = port->irq;
- tmp.flags = port->flags;
- tmp.xmit_fifo_size = port->fifosize;
- tmp.baud_base = port->uartclk / 16;
- tmp.close_delay = state->port.close_delay / 10;
- tmp.closing_wait = state->port.closing_wait == USF_CLOSING_WAIT_NONE ?
+ tmp.port_high = (long) uport->iobase >> HIGH_BITS_OFFSET;
+ tmp.irq = uport->irq;
+ tmp.flags = uport->flags;
+ tmp.xmit_fifo_size = uport->fifosize;
+ tmp.baud_base = uport->uartclk / 16;
+ tmp.close_delay = port->close_delay / 10;
+ tmp.closing_wait = port->closing_wait == USF_CLOSING_WAIT_NONE ?
ASYNC_CLOSING_WAIT_NONE :
- state->port.closing_wait / 10;
- tmp.custom_divisor = port->custom_divisor;
- tmp.hub6 = port->hub6;
- tmp.io_type = port->iotype;
- tmp.iomem_reg_shift = port->regshift;
- tmp.iomem_base = (void *)(unsigned long)port->mapbase;
+ port->closing_wait / 10;
+ tmp.custom_divisor = uport->custom_divisor;
+ tmp.hub6 = uport->hub6;
+ tmp.io_type = uport->iotype;
+ tmp.iomem_reg_shift = uport->regshift;
+ tmp.iomem_base = (void *)(unsigned long)uport->mapbase;
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
return -EFAULT;
@@ -699,7 +700,7 @@ static int uart_set_info(struct uart_state *state,
* module insertion/removal doesn't change anything
* under us.
*/
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
change_irq = !(uport->flags & UPF_FIXED_PORT)
&& new_serial.irq != uport->irq;
@@ -867,7 +868,7 @@ static int uart_set_info(struct uart_state *state,
} else
retval = uart_startup(state, 1);
exit:
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return retval;
}
@@ -902,10 +903,11 @@ static int uart_get_lsr_info(struct uart_state *state,
static int uart_tiocmget(struct tty_struct *tty, struct file *file)
{
struct uart_state *state = tty->driver_data;
+ struct tty_port *port = &state->port;
struct uart_port *uport = state->uart_port;
int result = -EIO;
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if ((!file || !tty_hung_up_p(file)) &&
!(tty->flags & (1 << TTY_IO_ERROR))) {
result = uport->mctrl;
@@ -914,7 +916,7 @@ static int uart_tiocmget(struct tty_struct *tty, struct file *file)
result |= uport->ops->get_mctrl(uport);
spin_unlock_irq(&uport->lock);
}
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return result;
}
@@ -925,35 +927,38 @@ uart_tiocmset(struct tty_struct *tty, struct file *file,
{
struct uart_state *state = tty->driver_data;
struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
int ret = -EIO;
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if ((!file || !tty_hung_up_p(file)) &&
!(tty->flags & (1 << TTY_IO_ERROR))) {
uart_update_mctrl(uport, set, clear);
ret = 0;
}
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return ret;
}
static int uart_break_ctl(struct tty_struct *tty, int break_state)
{
struct uart_state *state = tty->driver_data;
+ struct tty_port *port = &state->port;
struct uart_port *uport = state->uart_port;
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (uport->type != PORT_UNKNOWN)
uport->ops->break_ctl(uport, break_state);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
static int uart_do_autoconfig(struct uart_state *state)
{
struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
int flags, ret;
if (!capable(CAP_SYS_ADMIN))
@@ -964,7 +969,7 @@ static int uart_do_autoconfig(struct uart_state *state)
* changing, and hence any extra opens of the port while
* we're auto-configuring.
*/
- if (mutex_lock_interruptible(&state->mutex))
+ if (mutex_lock_interruptible(&port->mutex))
return -ERESTARTSYS;
ret = -EBUSY;
@@ -990,7 +995,7 @@ static int uart_do_autoconfig(struct uart_state *state)
ret = uart_startup(state, 1);
}
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return ret;
}
@@ -1093,6 +1098,7 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
unsigned long arg)
{
struct uart_state *state = tty->driver_data;
+ struct tty_port *port = &state->port;
void __user *uarg = (void __user *)arg;
int ret = -ENOIOCTLCMD;
@@ -1143,7 +1149,7 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
if (ret != -ENOIOCTLCMD)
goto out;
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (tty_hung_up_p(filp)) {
ret = -EIO;
@@ -1167,7 +1173,7 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
}
}
out_up:
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
out:
return ret;
}
@@ -1266,7 +1272,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
pr_debug("uart_close(%d) called\n", uport->line);
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (tty_hung_up_p(filp))
goto done;
@@ -1340,7 +1346,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
wake_up_interruptible(&port->open_wait);
done:
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
}
static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
@@ -1416,7 +1422,7 @@ static void uart_hangup(struct tty_struct *tty)
BUG_ON(!kernel_locked());
pr_debug("uart_hangup(%d)\n", state->uart_port->line);
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (port->flags & ASYNC_NORMAL_ACTIVE) {
uart_flush_buffer(tty);
uart_shutdown(state);
@@ -1426,7 +1432,7 @@ static void uart_hangup(struct tty_struct *tty)
wake_up_interruptible(&port->open_wait);
wake_up_interruptible(&state->delta_msr_wait);
}
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
}
/*
@@ -1528,9 +1534,9 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
if (mctrl & TIOCM_CAR)
break;
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
schedule();
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (signal_pending(current))
break;
@@ -1553,15 +1559,17 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
static struct uart_state *uart_get(struct uart_driver *drv, int line)
{
struct uart_state *state;
+ struct tty_port *port;
int ret = 0;
state = drv->state + line;
- if (mutex_lock_interruptible(&state->mutex)) {
+ port = &state->port;
+ if (mutex_lock_interruptible(&port->mutex)) {
ret = -ERESTARTSYS;
goto err;
}
- state->port.count++;
+ port->count++;
if (!state->uart_port || state->uart_port->flags & UPF_DEAD) {
ret = -ENXIO;
goto err_unlock;
@@ -1569,8 +1577,8 @@ static struct uart_state *uart_get(struct uart_driver *drv, int line)
return state;
err_unlock:
- state->port.count--;
- mutex_unlock(&state->mutex);
+ port->count--;
+ mutex_unlock(&port->mutex);
err:
return ERR_PTR(ret);
}
@@ -1636,7 +1644,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
if (tty_hung_up_p(filp)) {
retval = -EAGAIN;
port->count--;
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
goto fail;
}
@@ -1656,7 +1664,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
*/
if (retval == 0)
retval = uart_block_til_ready(filp, state);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
/*
* If this is the first open to succeed, adjust things to suit.
@@ -1667,7 +1675,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
uart_update_termios(state);
}
- fail:
+fail:
return retval;
}
@@ -1689,57 +1697,58 @@ static const char *uart_type(struct uart_port *port)
static void uart_line_info(struct seq_file *m, struct uart_driver *drv, int i)
{
struct uart_state *state = drv->state + i;
+ struct tty_port *port = &state->port;
int pm_state;
- struct uart_port *port = state->uart_port;
+ struct uart_port *uport = state->uart_port;
char stat_buf[32];
unsigned int status;
int mmio;
- if (!port)
+ if (!uport)
return;
- mmio = port->iotype >= UPIO_MEM;
+ mmio = uport->iotype >= UPIO_MEM;
seq_printf(m, "%d: uart:%s %s%08llX irq:%d",
- port->line, uart_type(port),
+ uport->line, uart_type(uport),
mmio ? "mmio:0x" : "port:",
- mmio ? (unsigned long long)port->mapbase
- : (unsigned long long) port->iobase,
- port->irq);
+ mmio ? (unsigned long long)uport->mapbase
+ : (unsigned long long)uport->iobase,
+ uport->irq);
- if (port->type == PORT_UNKNOWN) {
+ if (uport->type == PORT_UNKNOWN) {
seq_putc(m, '\n');
return;
}
if (capable(CAP_SYS_ADMIN)) {
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
pm_state = state->pm_state;
if (pm_state)
uart_change_pm(state, 0);
- spin_lock_irq(&port->lock);
- status = port->ops->get_mctrl(port);
- spin_unlock_irq(&port->lock);
+ spin_lock_irq(&uport->lock);
+ status = uport->ops->get_mctrl(uport);
+ spin_unlock_irq(&uport->lock);
if (pm_state)
uart_change_pm(state, pm_state);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
seq_printf(m, " tx:%d rx:%d",
- port->icount.tx, port->icount.rx);
- if (port->icount.frame)
+ uport->icount.tx, uport->icount.rx);
+ if (uport->icount.frame)
seq_printf(m, " fe:%d",
- port->icount.frame);
- if (port->icount.parity)
+ uport->icount.frame);
+ if (uport->icount.parity)
seq_printf(m, " pe:%d",
- port->icount.parity);
- if (port->icount.brk)
+ uport->icount.parity);
+ if (uport->icount.brk)
seq_printf(m, " brk:%d",
- port->icount.brk);
- if (port->icount.overrun)
+ uport->icount.brk);
+ if (uport->icount.overrun)
seq_printf(m, " oe:%d",
- port->icount.overrun);
+ uport->icount.overrun);
#define INFOBIT(bit, str) \
- if (port->mctrl & (bit)) \
+ if (uport->mctrl & (bit)) \
strncat(stat_buf, (str), sizeof(stat_buf) - \
strlen(stat_buf) - 2)
#define STATBIT(bit, str) \
@@ -1991,11 +2000,11 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
struct device *tty_dev;
struct uart_match match = {uport, drv};
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (!console_suspend_enabled && uart_console(uport)) {
/* we're going to avoid suspending serial console */
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
@@ -2003,7 +2012,7 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
if (device_may_wakeup(tty_dev)) {
enable_irq_wake(uport->irq);
put_device(tty_dev);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
uport->suspended = 1;
@@ -2045,7 +2054,7 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
uart_change_pm(state, 3);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
@@ -2057,18 +2066,18 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
struct device *tty_dev;
struct uart_match match = {uport, drv};
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (!console_suspend_enabled && uart_console(uport)) {
/* no need to resume serial console, it wasn't suspended */
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
tty_dev = device_find_child(uport->dev, &match, serial_match_port);
if (!uport->suspended && device_may_wakeup(tty_dev)) {
disable_irq_wake(uport->irq);
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
uport->suspended = 0;
@@ -2124,7 +2133,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
clear_bit(ASYNCB_SUSPENDED, &port->flags);
}
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
return 0;
}
@@ -2364,12 +2373,11 @@ int uart_register_driver(struct uart_driver *drv)
*/
for (i = 0; i < drv->nr; i++) {
struct uart_state *state = drv->state + i;
+ struct tty_port *port = &state->port;
- mutex_init(&state->mutex);
-
- tty_port_init(&state->port);
- state->port.close_delay = 500; /* .5 seconds */
- state->port.closing_wait = 30000; /* 30 seconds */
+ tty_port_init(port);
+ port->close_delay = 500; /* .5 seconds */
+ port->closing_wait = 30000; /* 30 seconds */
init_waitqueue_head(&state->delta_msr_wait);
tasklet_init(&state->tlet, uart_tasklet_action,
(unsigned long)state);
@@ -2419,62 +2427,64 @@ struct tty_driver *uart_console_device(struct console *co, int *index)
* level uart drivers to expand uart_port, rather than having yet
* more levels of structures.
*/
-int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
+int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport)
{
struct uart_state *state;
+ struct tty_port *port;
int ret = 0;
struct device *tty_dev;
BUG_ON(in_interrupt());
- if (port->line >= drv->nr)
+ if (uport->line >= drv->nr)
return -EINVAL;
- state = drv->state + port->line;
+ state = drv->state + uport->line;
+ port = &state->port;
mutex_lock(&port_mutex);
- mutex_lock(&state->mutex);
+ mutex_lock(&port->mutex);
if (state->uart_port) {
ret = -EINVAL;
goto out;
}
- state->uart_port = port;
+ state->uart_port = uport;
state->pm_state = -1;
- port->cons = drv->cons;
- port->state = state;
+ uport->cons = drv->cons;
+ uport->state = state;
/*
* If this port is a console, then the spinlock is already
* initialised.
*/
- if (!(uart_console(port) && (port->cons->flags & CON_ENABLED))) {
- spin_lock_init(&port->lock);
- lockdep_set_class(&port->lock, &port_lock_key);
+ if (!(uart_console(uport) && (uport->cons->flags & CON_ENABLED))) {
+ spin_lock_init(&uport->lock);
+ lockdep_set_class(&uport->lock, &port_lock_key);
}
- uart_configure_port(drv, state, port);
+ uart_configure_port(drv, state, uport);
/*
* Register the port whether it's detected or not. This allows
* setserial to be used to alter this ports parameters.
*/
- tty_dev = tty_register_device(drv->tty_driver, port->line, port->dev);
+ tty_dev = tty_register_device(drv->tty_driver, uport->line, uport->dev);
if (likely(!IS_ERR(tty_dev))) {
device_init_wakeup(tty_dev, 1);
device_set_wakeup_enable(tty_dev, 0);
} else
printk(KERN_ERR "Cannot register tty device on line %d\n",
- port->line);
+ uport->line);
/*
* Ensure UPF_DEAD is not set.
*/
- port->flags &= ~UPF_DEAD;
+ uport->flags &= ~UPF_DEAD;
out:
- mutex_unlock(&state->mutex);
+ mutex_unlock(&port->mutex);
mutex_unlock(&port_mutex);
return ret;
@@ -2489,15 +2499,16 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
* core driver. No further calls will be made to the low-level code
* for this port.
*/
-int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
+int uart_remove_one_port(struct uart_driver *drv, struct uart_port *uport)
{
- struct uart_state *state = drv->state + port->line;
+ struct uart_state *state = drv->state + uport->line;
+ struct tty_port *port = &state->port;
BUG_ON(in_interrupt());
- if (state->uart_port != port)
+ if (state->uart_port != uport)
printk(KERN_ALERT "Removing wrong port: %p != %p\n",
- state->uart_port, port);
+ state->uart_port, uport);
mutex_lock(&port_mutex);
@@ -2505,28 +2516,28 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
* Mark the port "dead" - this prevents any opens from
* succeeding while we shut down the port.
*/
- mutex_lock(&state->mutex);
- port->flags |= UPF_DEAD;
- mutex_unlock(&state->mutex);
+ mutex_lock(&port->mutex);
+ uport->flags |= UPF_DEAD;
+ mutex_unlock(&port->mutex);
/*
* Remove the devices from the tty layer
*/
- tty_unregister_device(drv->tty_driver, port->line);
+ tty_unregister_device(drv->tty_driver, uport->line);
- if (state->port.tty)
- tty_vhangup(state->port.tty);
+ if (port->tty)
+ tty_vhangup(port->tty);
/*
* Free the port IO and memory resources, if any.
*/
- if (port->type != PORT_UNKNOWN)
- port->ops->release_port(port);
+ if (uport->type != PORT_UNKNOWN)
+ uport->ops->release_port(uport);
/*
* Indicate that there isn't a port here anymore.
*/
- port->type = PORT_UNKNOWN;
+ uport->type = PORT_UNKNOWN;
/*
* Kill the tasklet, and free resources.
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index f98dc78abb27..27767ea5fa29 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -351,8 +351,6 @@ struct uart_state {
struct tasklet_struct tlet;
wait_queue_head_t delta_msr_wait;
struct uart_port *uart_port;
-
- struct mutex mutex;
};
#define UART_XMIT_SIZE PAGE_SIZE
--
GitLab
From bdc04e3174e18f475289fa8f4144f66686326b7e Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:31 -0700
Subject: [PATCH 698/742] serial: move delta_msr_wait into the tty_port
This is used by various drivers not just serial and can be extracted
as commonality
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
drivers/char/cyclades.c | 9 ++++-----
drivers/char/esp.c | 7 +++----
drivers/char/mxser.c | 8 +++-----
drivers/char/tty_port.c | 2 ++
drivers/serial/8250.c | 2 +-
drivers/serial/amba-pl010.c | 2 +-
drivers/serial/amba-pl011.c | 2 +-
drivers/serial/atmel_serial.c | 2 +-
drivers/serial/icom.c | 2 +-
drivers/serial/imx.c | 4 ++--
drivers/serial/ioc3_serial.c | 8 ++++----
drivers/serial/ioc4_serial.c | 8 ++++----
drivers/serial/ip22zilog.c | 2 +-
drivers/serial/msm_serial.c | 2 +-
drivers/serial/pmac_zilog.c | 2 +-
drivers/serial/pnx8xxx_uart.c | 2 +-
drivers/serial/pxa.c | 2 +-
drivers/serial/sa1100.c | 2 +-
drivers/serial/sb1250-duart.c | 2 +-
drivers/serial/serial_core.c | 18 +++++++++++-------
drivers/serial/serial_ks8695.c | 2 +-
drivers/serial/serial_lh7a40x.c | 2 +-
drivers/serial/sunsab.c | 2 +-
drivers/serial/sunsu.c | 2 +-
drivers/serial/sunzilog.c | 2 +-
drivers/serial/timbuart.c | 2 +-
drivers/serial/vr41xx_siu.c | 2 +-
drivers/serial/zs.c | 2 +-
include/linux/cyclades.h | 1 -
include/linux/hayesesp.h | 1 -
include/linux/serial_core.h | 1 -
include/linux/tty.h | 1 +
32 files changed, 54 insertions(+), 54 deletions(-)
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 70bd61b2a7d7..df5038bbcbc2 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -729,7 +729,7 @@ static void cyy_chip_modem(struct cyclades_card *cinfo, int chip,
if (mdm_change & CyRI)
info->icount.rng++;
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);
}
if ((mdm_change & CyDCD) && (info->port.flags & ASYNC_CHECK_CD)) {
@@ -1197,7 +1197,7 @@ static void cyz_handle_cmd(struct cyclades_card *cinfo)
break;
}
if (delta_count)
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);
if (special_count)
tty_schedule_flip(tty);
tty_kref_put(tty);
@@ -1464,7 +1464,7 @@ static void cy_shutdown(struct cyclades_port *info, struct tty_struct *tty)
spin_lock_irqsave(&card->card_lock, flags);
/* Clear delta_msr_wait queue to avoid mem leaks. */
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);
if (info->port.xmit_buf) {
unsigned char *temp;
@@ -2788,7 +2788,7 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
/* note the counters on entry */
cnow = info->icount;
spin_unlock_irqrestore(&info->card->card_lock, flags);
- ret_val = wait_event_interruptible(info->delta_msr_wait,
+ ret_val = wait_event_interruptible(info->port.delta_msr_wait,
cy_cflags_changed(info, arg, &cnow));
break;
@@ -3153,7 +3153,6 @@ static int __devinit cy_init_card(struct cyclades_card *cinfo)
info->port.close_delay = 5 * HZ / 10;
info->port.flags = STD_COM_FLAGS;
init_completion(&info->shutdown_wait);
- init_waitqueue_head(&info->delta_msr_wait);
if (cy_is_Z(cinfo)) {
struct FIRM_ID *firm_id = cinfo->base_addr + ID_ADDRESS;
diff --git a/drivers/char/esp.c b/drivers/char/esp.c
index a5c59fc2b0ff..b19d43cd9542 100644
--- a/drivers/char/esp.c
+++ b/drivers/char/esp.c
@@ -572,7 +572,7 @@ static void check_modem_status(struct esp_struct *info)
info->icount.dcd++;
if (status & UART_MSR_DCTS)
info->icount.cts++;
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);
}
if ((info->port.flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) {
@@ -927,7 +927,7 @@ static void shutdown(struct esp_struct *info)
* clear delta_msr_wait queue to avoid mem leaks: we may free the irq
* here so the queue might never be waken up
*/
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);
wake_up_interruptible(&info->break_wait);
/* stop a DMA transfer on the port being closed */
@@ -1800,7 +1800,7 @@ static int rs_ioctl(struct tty_struct *tty, struct file *file,
spin_unlock_irqrestore(&info->lock, flags);
while (1) {
/* FIXME: convert to new style wakeup */
- interruptible_sleep_on(&info->delta_msr_wait);
+ interruptible_sleep_on(&info->port.delta_msr_wait);
/* see if a signal did it */
if (signal_pending(current))
return -ERESTARTSYS;
@@ -2452,7 +2452,6 @@ static int __init espserial_init(void)
info->config.flow_off = flow_off;
info->config.pio_threshold = pio_threshold;
info->next_port = ports;
- init_waitqueue_head(&info->delta_msr_wait);
init_waitqueue_head(&info->break_wait);
ports = info;
printk(KERN_INFO "ttyP%d at 0x%04x (irq = %d) is an ESP ",
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 30544ca5e956..37058ff7da7d 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -258,7 +258,6 @@ struct mxser_port {
struct mxser_mon mon_data;
spinlock_t slock;
- wait_queue_head_t delta_msr_wait;
};
struct mxser_board {
@@ -818,7 +817,7 @@ static void mxser_check_modem_status(struct tty_struct *tty,
if (status & UART_MSR_DCTS)
port->icount.cts++;
port->mon_data.modem_status = status;
- wake_up_interruptible(&port->delta_msr_wait);
+ wake_up_interruptible(&port->port.delta_msr_wait);
if ((port->port.flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) {
if (status & UART_MSR_DCD)
@@ -973,7 +972,7 @@ static void mxser_shutdown(struct tty_struct *tty)
* clear delta_msr_wait queue to avoid mem leaks: we may free the irq
* here so the queue might never be waken up
*/
- wake_up_interruptible(&info->delta_msr_wait);
+ wake_up_interruptible(&info->port.delta_msr_wait);
/*
* Free the IRQ, if necessary
@@ -1762,7 +1761,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file,
cnow = info->icount; /* note the counters on entry */
spin_unlock_irqrestore(&info->slock, flags);
- return wait_event_interruptible(info->delta_msr_wait,
+ return wait_event_interruptible(info->port.delta_msr_wait,
mxser_cflags_changed(info, arg, &cnow));
/*
* Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
@@ -2414,7 +2413,6 @@ static int __devinit mxser_initbrd(struct mxser_board *brd,
info->port.close_delay = 5 * HZ / 10;
info->port.closing_wait = 30 * HZ;
info->normal_termios = mxvar_sdriver->init_termios;
- init_waitqueue_head(&info->delta_msr_wait);
memset(&info->mon_data, 0, sizeof(struct mxser_mon));
info->err_shadow = 0;
spin_lock_init(&info->slock);
diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index 549bd0fa8bb6..c767e30a1425 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -23,6 +23,7 @@ void tty_port_init(struct tty_port *port)
memset(port, 0, sizeof(*port));
init_waitqueue_head(&port->open_wait);
init_waitqueue_head(&port->close_wait);
+ init_waitqueue_head(&port->delta_msr_wait);
mutex_init(&port->mutex);
spin_lock_init(&port->lock);
port->close_delay = (50 * HZ) / 100;
@@ -124,6 +125,7 @@ void tty_port_hangup(struct tty_port *port)
port->tty = NULL;
spin_unlock_irqrestore(&port->lock, flags);
wake_up_interruptible(&port->open_wait);
+ wake_up_interruptible(&port->delta_msr_wait);
tty_port_shutdown(port);
}
EXPORT_SYMBOL(tty_port_hangup);
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index e415c5eca599..2209620d2349 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1510,7 +1510,7 @@ static unsigned int check_modem_status(struct uart_8250_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
- wake_up_interruptible(&up->port.state->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
return status;
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 39032413d4a1..429a8ae86933 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -225,7 +225,7 @@ static void pl010_modem_status(struct uart_amba_port *uap)
if (delta & UART01x_FR_CTS)
uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);
- wake_up_interruptible(&uap->port.state->delta_msr_wait);
+ wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
}
static irqreturn_t pl010_int(int irq, void *dev_id)
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index ef82a34baf0f..ef7adc8135dd 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -226,7 +226,7 @@ static void pl011_modem_status(struct uart_amba_port *uap)
if (delta & UART01x_FR_CTS)
uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);
- wake_up_interruptible(&uap->port.state->delta_msr_wait);
+ wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
}
static irqreturn_t pl011_int(int irq, void *dev_id)
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 963e3c12af41..3551c5cb7094 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -776,7 +776,7 @@ static void atmel_tasklet_func(unsigned long data)
if (status_change & ATMEL_US_CTS)
uart_handle_cts_change(port, !(status & ATMEL_US_CTS));
- wake_up_interruptible(&port->state->delta_msr_wait);
+ wake_up_interruptible(&port->state->port.delta_msr_wait);
atmel_port->irq_status_prev = status;
}
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index f86c47e08a06..2d7feecaf492 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -695,7 +695,7 @@ static inline void check_modem_status(struct icom_port *icom_port)
delta_status & ICOM_CTS);
wake_up_interruptible(&icom_port->uart_port.state->
- delta_msr_wait);
+ port.delta_msr_wait);
old_status = status;
}
spin_unlock(&icom_port->uart_port.lock);
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 1febeafcb97a..18130f11238e 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -224,7 +224,7 @@ static void imx_mctrl_check(struct imx_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
- wake_up_interruptible(&sport->port.state->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
}
/*
@@ -388,7 +388,7 @@ static irqreturn_t imx_rtsint(int irq, void *dev_id)
writel(USR1_RTSD, sport->port.membase + USR1);
uart_handle_cts_change(&sport->port, !!val);
- wake_up_interruptible(&sport->port.state->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
spin_unlock_irqrestore(&sport->port.lock, flags);
return IRQ_HANDLED;
diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c
index de4ab1bfee8d..d8983dd5c4b2 100644
--- a/drivers/serial/ioc3_serial.c
+++ b/drivers/serial/ioc3_serial.c
@@ -1287,7 +1287,7 @@ static inline int do_read(struct uart_port *the_port, char *buf, int len)
(port->ip_port, 0);
wake_up_interruptible
(&the_port->state->
- delta_msr_wait);
+ port.delta_msr_wait);
}
/* If we had any data to return, we
@@ -1491,7 +1491,7 @@ ioc3uart_intr_one(struct ioc3_submodule *is,
uart_handle_dcd_change(the_port,
shadow & SHADOW_DCD);
wake_up_interruptible
- (&the_port->state->delta_msr_wait);
+ (&the_port->state->port.delta_msr_wait);
} else if ((port->ip_notify & N_DDCD)
&& !(shadow & SHADOW_DCD)) {
/* Flag delta DCD/no DCD */
@@ -1511,7 +1511,7 @@ ioc3uart_intr_one(struct ioc3_submodule *is,
uart_handle_cts_change(the_port, shadow
& SHADOW_CTS);
wake_up_interruptible
- (&the_port->state->delta_msr_wait);
+ (&the_port->state->port.delta_msr_wait);
}
}
@@ -1728,7 +1728,7 @@ static void ic3_shutdown(struct uart_port *the_port)
return;
state = the_port->state;
- wake_up_interruptible(&state->delta_msr_wait);
+ wake_up_interruptible(&state->port.delta_msr_wait);
spin_lock_irqsave(&the_port->lock, port_flags);
set_notification(port, N_ALL, 0);
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index 2055d323f15f..2e02c3026d24 100644
--- a/drivers/serial/ioc4_serial.c
+++ b/drivers/serial/ioc4_serial.c
@@ -1882,7 +1882,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
the_port = port->ip_port;
the_port->icount.dcd = 1;
wake_up_interruptible
- (&the_port->state->delta_msr_wait);
+ (&the_port->state->port.delta_msr_wait);
} else if ((port->ip_notify & N_DDCD)
&& !(shadow & IOC4_SHADOW_DCD)) {
/* Flag delta DCD/no DCD */
@@ -1904,7 +1904,7 @@ static void handle_intr(void *arg, uint32_t sio_ir)
the_port->icount.cts =
(shadow & IOC4_SHADOW_CTS) ? 1 : 0;
wake_up_interruptible
- (&the_port->state->delta_msr_wait);
+ (&the_port->state->port.delta_msr_wait);
}
}
@@ -2237,7 +2237,7 @@ static inline int do_read(struct uart_port *the_port, unsigned char *buf,
the_port->icount.dcd = 0;
wake_up_interruptible
(&the_port->state->
- delta_msr_wait);
+ port.delta_msr_wait);
}
/* If we had any data to return, we
@@ -2439,7 +2439,7 @@ static void ic4_shutdown(struct uart_port *the_port)
state = the_port->state;
port->ip_port = NULL;
- wake_up_interruptible(&state->delta_msr_wait);
+ wake_up_interruptible(&state->port.delta_msr_wait);
if (state->port.tty)
set_bit(TTY_IO_ERROR, &state->port.tty->flags);
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index 2e847deb41dc..ebff4a1d4bcc 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -354,7 +354,7 @@ static void ip22zilog_status_handle(struct uart_ip22zilog_port *up,
uart_handle_cts_change(&up->port,
(status & CTS));
- wake_up_interruptible(&up->port.state->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
up->prev_status = status;
diff --git a/drivers/serial/msm_serial.c b/drivers/serial/msm_serial.c
index ff18d50c99c1..b05c5aa02cb4 100644
--- a/drivers/serial/msm_serial.c
+++ b/drivers/serial/msm_serial.c
@@ -169,7 +169,7 @@ static void handle_delta_cts(struct uart_port *port)
{
msm_write(port, UART_CR_CMD_RESET_CTS, UART_CR);
port->icount.cts++;
- wake_up_interruptible(&port->state->delta_msr_wait);
+ wake_up_interruptible(&port->state->port.delta_msr_wait);
}
static irqreturn_t msm_irq(int irq, void *dev_id)
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 0dc786835dca..0700cd10b97c 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -369,7 +369,7 @@ static void pmz_status_handle(struct uart_pmac_port *uap)
uart_handle_cts_change(&uap->port,
!(status & CTS));
- wake_up_interruptible(&uap->port.state->delta_msr_wait);
+ wake_up_interruptible(&uap->port.state->port.delta_msr_wait);
}
if (status & BRK_ABRT)
diff --git a/drivers/serial/pnx8xxx_uart.c b/drivers/serial/pnx8xxx_uart.c
index 2da747635275..0aa75a97531c 100644
--- a/drivers/serial/pnx8xxx_uart.c
+++ b/drivers/serial/pnx8xxx_uart.c
@@ -100,7 +100,7 @@ static void pnx8xxx_mctrl_check(struct pnx8xxx_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
- wake_up_interruptible(&sport->port.state->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
}
/*
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index ad48919c0415..6443b7ff274a 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -220,7 +220,7 @@ static inline void check_modem_status(struct uart_pxa_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
- wake_up_interruptible(&up->port.state->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
/*
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 61ef3ae24927..7f5e26873220 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -117,7 +117,7 @@ static void sa1100_mctrl_check(struct sa1100_port *sport)
if (changed & TIOCM_CTS)
uart_handle_cts_change(&sport->port, status & TIOCM_CTS);
- wake_up_interruptible(&sport->port.state->delta_msr_wait);
+ wake_up_interruptible(&sport->port.state->port.delta_msr_wait);
}
/*
diff --git a/drivers/serial/sb1250-duart.c b/drivers/serial/sb1250-duart.c
index fa5f303b36d3..a2f2b3254499 100644
--- a/drivers/serial/sb1250-duart.c
+++ b/drivers/serial/sb1250-duart.c
@@ -440,7 +440,7 @@ static void sbd_status_handle(struct sbd_port *sport)
if (delta & ((M_DUART_IN_PIN2_VAL | M_DUART_IN_PIN0_VAL) <<
S_DUART_IN_PIN_CHNG))
- wake_up_interruptible(&uport->state->delta_msr_wait);
+ wake_up_interruptible(&uport->state->port.delta_msr_wait);
}
static irqreturn_t sbd_interrupt(int irq, void *dev_id)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 9d42e57e1971..e16d15343dfd 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -215,7 +215,8 @@ static int uart_startup(struct uart_state *state, int init_hw)
static void uart_shutdown(struct uart_state *state)
{
struct uart_port *uport = state->uart_port;
- struct tty_struct *tty = state->port.tty;
+ struct tty_port *port = &state->port;
+ struct tty_struct *tty = port->tty;
/*
* Set the TTY IO error marker
@@ -223,7 +224,7 @@ static void uart_shutdown(struct uart_state *state)
if (tty)
set_bit(TTY_IO_ERROR, &tty->flags);
- if (test_and_clear_bit(ASYNCB_INITIALIZED, &state->port.flags)) {
+ if (test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags)) {
/*
* Turn off DTR and RTS early.
*/
@@ -237,7 +238,7 @@ static void uart_shutdown(struct uart_state *state)
* any outstanding file descriptors should be pointing at
* hung_up_tty_fops now.
*/
- wake_up_interruptible(&state->delta_msr_wait);
+ wake_up_interruptible(&port->delta_msr_wait);
/*
* Free the IRQ and disable the port.
@@ -1004,11 +1005,15 @@ static int uart_do_autoconfig(struct uart_state *state)
* - mask passed in arg for lines of interest
* (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
* Caller should use TIOCGICOUNT to see which one it was
+ *
+ * FIXME: This wants extracting into a common all driver implementation
+ * of TIOCMWAIT using tty_port.
*/
static int
uart_wait_modem_status(struct uart_state *state, unsigned long arg)
{
struct uart_port *uport = state->uart_port;
+ struct tty_port *port = &state->port;
DECLARE_WAITQUEUE(wait, current);
struct uart_icount cprev, cnow;
int ret;
@@ -1025,7 +1030,7 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
uport->ops->enable_ms(uport);
spin_unlock_irq(&uport->lock);
- add_wait_queue(&state->delta_msr_wait, &wait);
+ add_wait_queue(&port->delta_msr_wait, &wait);
for (;;) {
spin_lock_irq(&uport->lock);
memcpy(&cnow, &uport->icount, sizeof(struct uart_icount));
@@ -1053,7 +1058,7 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
}
current->state = TASK_RUNNING;
- remove_wait_queue(&state->delta_msr_wait, &wait);
+ remove_wait_queue(&port->delta_msr_wait, &wait);
return ret;
}
@@ -1430,7 +1435,7 @@ static void uart_hangup(struct tty_struct *tty)
clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
port->tty = NULL;
wake_up_interruptible(&port->open_wait);
- wake_up_interruptible(&state->delta_msr_wait);
+ wake_up_interruptible(&port->delta_msr_wait);
}
mutex_unlock(&port->mutex);
}
@@ -2378,7 +2383,6 @@ int uart_register_driver(struct uart_driver *drv)
tty_port_init(port);
port->close_delay = 500; /* .5 seconds */
port->closing_wait = 30000; /* 30 seconds */
- init_waitqueue_head(&state->delta_msr_wait);
tasklet_init(&state->tlet, uart_tasklet_action,
(unsigned long)state);
}
diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c
index 4560b2e70685..2e71bbc04dac 100644
--- a/drivers/serial/serial_ks8695.c
+++ b/drivers/serial/serial_ks8695.c
@@ -266,7 +266,7 @@ static irqreturn_t ks8695uart_modem_status(int irq, void *dev_id)
if (status & URMS_URTERI)
port->icount.rng++;
- wake_up_interruptible(&port->state->delta_msr_wait);
+ wake_up_interruptible(&port->state->port.delta_msr_wait);
return IRQ_HANDLED;
}
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index 057fc5e8cc8d..ea744707c4d6 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -241,7 +241,7 @@ static void lh7a40xuart_modem_status (struct uart_port* port)
if (delta & CTS)
uart_handle_cts_change (port, status & CTS);
- wake_up_interruptible (&port->state->delta_msr_wait);
+ wake_up_interruptible (&port->state->port.delta_msr_wait);
}
static irqreturn_t lh7a40xuart_int (int irq, void* dev_id)
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 7c4f2fe8e246..d1ad34128635 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -297,7 +297,7 @@ static void check_status(struct uart_sunsab_port *up,
up->port.icount.dsr++;
}
- wake_up_interruptible(&up->port.state->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
static irqreturn_t sunsab_interrupt(int irq, void *dev_id)
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 5a32365b58ad..68d262b15749 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -441,7 +441,7 @@ static void check_modem_status(struct uart_sunsu_port *up)
if (status & UART_MSR_DCTS)
uart_handle_cts_change(&up->port, status & UART_MSR_CTS);
- wake_up_interruptible(&up->port.state->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
static irqreturn_t sunsu_serial_interrupt(int irq, void *dev_id)
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 055034d12b1c..ef693ae22e7f 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -451,7 +451,7 @@ static void sunzilog_status_handle(struct uart_sunzilog_port *up,
uart_handle_cts_change(&up->port,
(status & CTS));
- wake_up_interruptible(&up->port.state->delta_msr_wait);
+ wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
up->prev_status = status;
diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c
index 3d40be6f389f..34b31da01d09 100644
--- a/drivers/serial/timbuart.c
+++ b/drivers/serial/timbuart.c
@@ -231,7 +231,7 @@ static void timbuart_mctrl_check(struct uart_port *port, u32 isr, u32 *ier)
iowrite32(CTS_DELTA, port->membase + TIMBUART_ISR);
cts = timbuart_get_mctrl(port);
uart_handle_cts_change(port, cts & TIOCM_CTS);
- wake_up_interruptible(&port->state->delta_msr_wait);
+ wake_up_interruptible(&port->state->port.delta_msr_wait);
}
*ier |= CTS_DELTA;
diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
index cf4410e6d53b..3beb6ab4fa68 100644
--- a/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -386,7 +386,7 @@ static inline void check_modem_status(struct uart_port *port)
if (msr & UART_MSR_DCTS)
uart_handle_cts_change(port, msr & UART_MSR_CTS);
- wake_up_interruptible(&port->state->delta_msr_wait);
+ wake_up_interruptible(&port->state->port.delta_msr_wait);
}
static inline void transmit_chars(struct uart_port *port)
diff --git a/drivers/serial/zs.c b/drivers/serial/zs.c
index b9c9fb9198d6..1a7fd3e70315 100644
--- a/drivers/serial/zs.c
+++ b/drivers/serial/zs.c
@@ -686,7 +686,7 @@ static void zs_status_handle(struct zs_port *zport, struct zs_port *zport_a)
uport->icount.rng++;
if (delta)
- wake_up_interruptible(&uport->state->delta_msr_wait);
+ wake_up_interruptible(&uport->state->port.delta_msr_wait);
spin_lock(&scc->zlock);
}
diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h
index bbebef7713b3..a5049eaf782d 100644
--- a/include/linux/cyclades.h
+++ b/include/linux/cyclades.h
@@ -578,7 +578,6 @@ struct cyclades_port {
struct cyclades_idle_stats idle_stats;
struct cyclades_icount icount;
struct completion shutdown_wait;
- wait_queue_head_t delta_msr_wait;
int throttle;
};
diff --git a/include/linux/hayesesp.h b/include/linux/hayesesp.h
index 940aeb51d53f..92b08cfe4a75 100644
--- a/include/linux/hayesesp.h
+++ b/include/linux/hayesesp.h
@@ -96,7 +96,6 @@ struct esp_struct {
int xmit_head;
int xmit_tail;
int xmit_cnt;
- wait_queue_head_t delta_msr_wait;
wait_queue_head_t break_wait;
struct async_icount icount; /* kernel counters for the 4 input interrupts */
struct hayes_esp_config config; /* port configuration */
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 27767ea5fa29..bcafecd3b7c1 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -349,7 +349,6 @@ struct uart_state {
struct circ_buf xmit;
struct tasklet_struct tlet;
- wait_queue_head_t delta_msr_wait;
struct uart_port *uart_port;
};
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 9fdc3d84baad..0daa8a72b176 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -203,6 +203,7 @@ struct tty_port {
int count; /* Usage count */
wait_queue_head_t open_wait; /* Open waiters */
wait_queue_head_t close_wait; /* Close waiters */
+ wait_queue_head_t delta_msr_wait; /* Modem status change */
unsigned long flags; /* TTY flags ASY_*/
struct mutex mutex; /* Locking */
unsigned char *xmit_buf; /* Optional buffer */
--
GitLab
From b58d13a0216d4e0753668214f23e1d2c24c30f8c Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:32 -0700
Subject: [PATCH 699/742] serial: move port users helper
This little helper is now tty_port specific and useful generally so move it
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/serial_core.c | 6 ++----
include/linux/tty.h | 5 +++++
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index e16d15343dfd..3c45a8d7eb7f 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -52,8 +52,6 @@ static struct lock_class_key port_lock_key;
#define HIGH_BITS_OFFSET ((sizeof(long)-sizeof(int))*8)
-#define uart_users(state) ((state)->port.count + (state)->port.blocked_open)
-
#ifdef CONFIG_SERIAL_CORE_CONSOLE
#define uart_console(port) ((port)->cons && (port)->cons->index == (port)->line)
#else
@@ -758,7 +756,7 @@ static int uart_set_info(struct uart_state *state,
/*
* Make sure that we are the sole user of this port.
*/
- if (uart_users(state) > 1)
+ if (tty_port_users(port) > 1)
goto exit;
/*
@@ -974,7 +972,7 @@ static int uart_do_autoconfig(struct uart_state *state)
return -ERESTARTSYS;
ret = -EBUSY;
- if (uart_users(state) == 1) {
+ if (tty_port_users(port) == 1) {
uart_shutdown(state);
/*
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 0daa8a72b176..a0e03309a379 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -467,6 +467,11 @@ extern int tty_port_close_start(struct tty_port *port,
extern void tty_port_close_end(struct tty_port *port, struct tty_struct *tty);
extern void tty_port_close(struct tty_port *port,
struct tty_struct *tty, struct file *filp);
+extern inline int tty_port_users(struct tty_port *port)
+{
+ return port->count + port->blocked_open;
+}
+
extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc);
extern int tty_unregister_ldisc(int disc);
extern int tty_set_ldisc(struct tty_struct *tty, int ldisc);
--
GitLab
From 016af53a6de6837e5be3da68901083ea85ebb4da Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:32 -0700
Subject: [PATCH 700/742] serial: kill USF_CLOSING_* definitions
The serial layer for some reason uses different defines for the special
case close delays and then conditionally switches to/from the normal ones
in the ioctls.
Remove this rather pointless abstraction
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/serial_core.c | 6 +++---
include/linux/serial_core.h | 3 ---
2 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 3c45a8d7eb7f..69c4e20530f5 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -652,7 +652,7 @@ static int uart_get_info(struct uart_state *state,
tmp.xmit_fifo_size = uport->fifosize;
tmp.baud_base = uport->uartclk / 16;
tmp.close_delay = port->close_delay / 10;
- tmp.closing_wait = port->closing_wait == USF_CLOSING_WAIT_NONE ?
+ tmp.closing_wait = port->closing_wait == ASYNC_CLOSING_WAIT_NONE ?
ASYNC_CLOSING_WAIT_NONE :
port->closing_wait / 10;
tmp.custom_divisor = uport->custom_divisor;
@@ -690,7 +690,7 @@ static int uart_set_info(struct uart_state *state,
new_serial.irq = irq_canonicalize(new_serial.irq);
close_delay = new_serial.close_delay * 10;
closing_wait = new_serial.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
- USF_CLOSING_WAIT_NONE : new_serial.closing_wait * 10;
+ ASYNC_CLOSING_WAIT_NONE : new_serial.closing_wait * 10;
/*
* This semaphore protects port->count. It is also
@@ -1307,7 +1307,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
*/
tty->closing = 1;
- if (port->closing_wait != USF_CLOSING_WAIT_NONE)
+ if (port->closing_wait != ASYNC_CLOSING_WAIT_NONE)
tty_wait_until_sent(tty, msecs_to_jiffies(port->closing_wait));
/*
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index bcafecd3b7c1..d58e460844dd 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -342,9 +342,6 @@ struct uart_port {
struct uart_state {
struct tty_port port;
-#define USF_CLOSING_WAIT_INF (0)
-#define USF_CLOSING_WAIT_NONE (~0U)
-
int pm_state;
struct circ_buf xmit;
--
GitLab
From 7b01478f97a671c97fad9254aa91892209b018b5 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:33 -0700
Subject: [PATCH 701/742] serial: introduce tty krefs
Initially just use the helper and thus krefs when we set and clear the
port values.
Signed-off-by: Alan Cox <alan@linux.intel.com>
---
drivers/serial/serial_core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 69c4e20530f5..3fd0134d36bf 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1333,7 +1333,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
tty_ldisc_flush(tty);
tty->closing = 0;
- port->tty = NULL;
+ tty_port_tty_set(port, NULL);
if (port->blocked_open) {
if (port->close_delay)
@@ -1431,7 +1431,7 @@ static void uart_hangup(struct tty_struct *tty)
uart_shutdown(state);
port->count = 0;
clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags);
- port->tty = NULL;
+ tty_port_tty_set(port, NULL);
wake_up_interruptible(&port->open_wait);
wake_up_interruptible(&port->delta_msr_wait);
}
@@ -1639,7 +1639,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
state->uart_port->state = state;
tty->low_latency = (state->uart_port->flags & UPF_LOW_LATENCY) ? 1 : 0;
tty->alt_speed = 0;
- port->tty = tty;
+ tty_port_tty_set(port, tty);
/*
* If the port is in the middle of closing, bail out now.
--
GitLab
From ba15ab0e8de0d4439a91342ad52d55ca9e313f3d Mon Sep 17 00:00:00 2001
From: Deepak Saxena <dsaxena@laptop.org>
Date: Sat, 19 Sep 2009 13:13:33 -0700
Subject: [PATCH 702/742] Set proper console speed on resume if console suspend
is disabled
Commit b5b82df6, from May 2007, breaks no_console_suspend on the OLPC
XO laptop. Basically what happens is that upon returning from resume,
serial8250_resume_port() will reconfigure the port for high speed
mode and all console output will be garbled, making debug of the
resume path painful. This patch modifies uart_resume_port() to
reset the port to the state it was in before we suspended.
Original patch by Marcelo Tosatti
Second patch by Deepak then reworked by Alan to fit with the tty changes
before it got submitted. Also fixed the console path to set c_i/ospeed as
some drivers require the termios fields are valid
Signed-off-by: Deepak Saxena <dsaxena@laptop.org>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/serial_core.c | 32 ++++++++++++++++++--------------
1 file changed, 18 insertions(+), 14 deletions(-)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 3fd0134d36bf..2514d00c0f6f 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2068,11 +2068,29 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
struct tty_port *port = &state->port;
struct device *tty_dev;
struct uart_match match = {uport, drv};
+ struct ktermios termios;
mutex_lock(&port->mutex);
if (!console_suspend_enabled && uart_console(uport)) {
/* no need to resume serial console, it wasn't suspended */
+ /*
+ * First try to use the console cflag setting.
+ */
+ memset(&termios, 0, sizeof(struct ktermios));
+ termios.c_cflag = uport->cons->cflag;
+ /*
+ * If that's unset, use the tty termios setting.
+ */
+ if (termios.c_cflag == 0)
+ termios = *state->port.tty->termios;
+ else {
+ termios.c_ispeed = termios.c_ospeed =
+ tty_termios_input_baud_rate(&termios);
+ termios.c_ispeed = termios.c_ospeed =
+ tty_termios_baud_rate(&termios);
+ }
+ uport->ops->set_termios(uport, &termios, NULL);
mutex_unlock(&port->mutex);
return 0;
}
@@ -2089,20 +2107,6 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
* Re-enable the console device after suspending.
*/
if (uart_console(uport)) {
- struct ktermios termios;
-
- /*
- * First try to use the console cflag setting.
- */
- memset(&termios, 0, sizeof(struct ktermios));
- termios.c_cflag = uport->cons->cflag;
-
- /*
- * If that's unset, use the tty termios setting.
- */
- if (port->tty && termios.c_cflag == 0)
- termios = *port->tty->termios;
-
uart_change_pm(state, 0);
uport->ops->set_termios(uport, &termios, NULL);
console_start(uport->cons);
--
GitLab
From fe1ae7fdd2ee603f2d95f04e09a68f7f79045127 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sat, 19 Sep 2009 13:13:33 -0700
Subject: [PATCH 703/742] tty: USB serial termios bits
Various drivers have hacks to mangle termios structures. This stems from
the fact there is no nice setup hook for configuring the termios settings
when the port is created
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/tty_io.c | 1 +
drivers/usb/serial/ark3116.c | 46 ++++++++------------------------
drivers/usb/serial/cypress_m8.c | 12 +++------
drivers/usb/serial/empeg.c | 12 +++------
drivers/usb/serial/iuu_phoenix.c | 31 ++++++++++-----------
drivers/usb/serial/kobil_sct.c | 22 +++++++--------
drivers/usb/serial/oti6858.c | 21 +++++++--------
drivers/usb/serial/spcp8x5.c | 21 +++++++--------
drivers/usb/serial/usb-serial.c | 38 +++++++++++++++++++++++++-
drivers/usb/serial/whiteheat.c | 6 ++---
include/linux/usb/serial.h | 3 +++
11 files changed, 106 insertions(+), 107 deletions(-)
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 385cca7074da..05f443c47bbe 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1184,6 +1184,7 @@ int tty_init_termios(struct tty_struct *tty)
tty->termios->c_ospeed = tty_termios_baud_rate(tty->termios);
return 0;
}
+EXPORT_SYMBOL_GPL(tty_init_termios);
/**
* tty_driver_install_tty() - install a tty entry in the driver
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 7ddde4ddfb4b..5d25d3e52bf6 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -35,11 +35,6 @@ static struct usb_device_id id_table [] = {
};
MODULE_DEVICE_TABLE(usb, id_table);
-struct ark3116_private {
- spinlock_t lock;
- u8 termios_initialized;
-};
-
static inline void ARK3116_SND(struct usb_serial *serial, int seq,
__u8 request, __u8 requesttype,
__u16 value, __u16 index)
@@ -82,22 +77,11 @@ static inline void ARK3116_RCV_QUIET(struct usb_serial *serial,
static int ark3116_attach(struct usb_serial *serial)
{
char *buf;
- struct ark3116_private *priv;
- int i;
-
- for (i = 0; i < serial->num_ports; ++i) {
- priv = kzalloc(sizeof(struct ark3116_private), GFP_KERNEL);
- if (!priv)
- goto cleanup;
- spin_lock_init(&priv->lock);
-
- usb_set_serial_port_data(serial->port[i], priv);
- }
buf = kmalloc(1, GFP_KERNEL);
if (!buf) {
dbg("error kmalloc -> out of mem?");
- goto cleanup;
+ return -ENOMEM;
}
/* 3 */
@@ -149,13 +133,16 @@ static int ark3116_attach(struct usb_serial *serial)
kfree(buf);
return 0;
+}
-cleanup:
- for (--i; i >= 0; --i) {
- kfree(usb_get_serial_port_data(serial->port[i]));
- usb_set_serial_port_data(serial->port[i], NULL);
- }
- return -ENOMEM;
+static void ark3116_init_termios(struct tty_struct *tty)
+{
+ struct ktermios *termios = tty->termios;
+ *termios = tty_std_termios;
+ termios->c_cflag = B9600 | CS8
+ | CREAD | HUPCL | CLOCAL;
+ termios->c_ispeed = 9600;
+ termios->c_ospeed = 9600;
}
static void ark3116_set_termios(struct tty_struct *tty,
@@ -163,10 +150,8 @@ static void ark3116_set_termios(struct tty_struct *tty,
struct ktermios *old_termios)
{
struct usb_serial *serial = port->serial;
- struct ark3116_private *priv = usb_get_serial_port_data(port);
struct ktermios *termios = tty->termios;
unsigned int cflag = termios->c_cflag;
- unsigned long flags;
int baud;
int ark3116_baud;
char *buf;
@@ -176,16 +161,6 @@ static void ark3116_set_termios(struct tty_struct *tty,
dbg("%s - port %d", __func__, port->number);
- spin_lock_irqsave(&priv->lock, flags);
- if (!priv->termios_initialized) {
- *termios = tty_std_termios;
- termios->c_cflag = B9600 | CS8
- | CREAD | HUPCL | CLOCAL;
- termios->c_ispeed = 9600;
- termios->c_ospeed = 9600;
- priv->termios_initialized = 1;
- }
- spin_unlock_irqrestore(&priv->lock, flags);
cflag = termios->c_cflag;
termios->c_cflag &= ~(CMSPAR|CRTSCTS);
@@ -454,6 +429,7 @@ static struct usb_serial_driver ark3116_device = {
.num_ports = 1,
.attach = ark3116_attach,
.set_termios = ark3116_set_termios,
+ .init_termios = ark3116_init_termios,
.ioctl = ark3116_ioctl,
.tiocmget = ark3116_tiocmget,
.open = ark3116_open,
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index df1adb9a4367..e0a8b715f2f2 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -657,15 +657,7 @@ static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port)
spin_unlock_irqrestore(&priv->lock, flags);
/* Set termios */
- result = cypress_write(tty, port, NULL, 0);
-
- if (result) {
- dev_err(&port->dev,
- "%s - failed setting the control lines - error %d\n",
- __func__, result);
- return result;
- } else
- dbg("%s - success setting the control lines", __func__);
+ cypress_send(port);
if (tty)
cypress_set_termios(tty, port, &priv->tmp_termios);
@@ -1003,6 +995,8 @@ static void cypress_set_termios(struct tty_struct *tty,
dbg("%s - port %d", __func__, port->number);
spin_lock_irqsave(&priv->lock, flags);
+ /* We can't clean this one up as we don't know the device type
+ early enough */
if (!priv->termios_initialized) {
if (priv->chiptype == CT_EARTHMATE) {
*(tty->termios) = tty_std_termios;
diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
index da559a773b51..33c9e9cf9eb2 100644
--- a/drivers/usb/serial/empeg.c
+++ b/drivers/usb/serial/empeg.c
@@ -89,8 +89,7 @@ static int empeg_chars_in_buffer(struct tty_struct *tty);
static void empeg_throttle(struct tty_struct *tty);
static void empeg_unthrottle(struct tty_struct *tty);
static int empeg_startup(struct usb_serial *serial);
-static void empeg_set_termios(struct tty_struct *tty,
- struct usb_serial_port *port, struct ktermios *old_termios);
+static void empeg_init_termios(struct tty_struct *tty);
static void empeg_write_bulk_callback(struct urb *urb);
static void empeg_read_bulk_callback(struct urb *urb);
@@ -122,7 +121,7 @@ static struct usb_serial_driver empeg_device = {
.throttle = empeg_throttle,
.unthrottle = empeg_unthrottle,
.attach = empeg_startup,
- .set_termios = empeg_set_termios,
+ .init_termios = empeg_init_termios,
.write = empeg_write,
.write_room = empeg_write_room,
.chars_in_buffer = empeg_chars_in_buffer,
@@ -148,9 +147,6 @@ static int empeg_open(struct tty_struct *tty,struct usb_serial_port *port)
dbg("%s - port %d", __func__, port->number);
- /* Force default termio settings */
- empeg_set_termios(tty, port, NULL);
-
bytes_in = 0;
bytes_out = 0;
@@ -423,11 +419,9 @@ static int empeg_startup(struct usb_serial *serial)
}
-static void empeg_set_termios(struct tty_struct *tty,
- struct usb_serial_port *port, struct ktermios *old_termios)
+static void empeg_init_termios(struct tty_struct *tty)
{
struct ktermios *termios = tty->termios;
- dbg("%s - port %d", __func__, port->number);
/*
* The empeg-car player wants these particular tty settings.
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index f3f9be0469c5..6138c1cda35f 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -71,7 +71,6 @@ struct iuu_private {
spinlock_t lock; /* store irq state */
wait_queue_head_t delta_msr_wait;
u8 line_status;
- u8 termios_initialized;
int tiostatus; /* store IUART SIGNAL for tiocmget call */
u8 reset; /* if 1 reset is needed */
int poll; /* number of poll */
@@ -1018,13 +1017,24 @@ static void iuu_close(struct usb_serial_port *port)
}
}
+static void iuu_init_termios(struct tty_struct *tty)
+{
+ *(tty->termios) = tty_std_termios;
+ tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600
+ | TIOCM_CTS | CSTOPB | PARENB;
+ tty->termios->c_ispeed = 9600;
+ tty->termios->c_ospeed = 9600;
+ tty->termios->c_lflag = 0;
+ tty->termios->c_oflag = 0;
+ tty->termios->c_iflag = 0;
+}
+
static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
u8 *buf;
int result;
u32 actual;
- unsigned long flags;
struct iuu_private *priv = usb_get_serial_port_data(port);
dbg("%s - port %d", __func__, port->number);
@@ -1063,21 +1073,7 @@ static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port)
port->bulk_in_buffer, 512,
NULL, NULL);
- /* set the termios structure */
- spin_lock_irqsave(&priv->lock, flags);
- if (tty && !priv->termios_initialized) {
- *(tty->termios) = tty_std_termios;
- tty->termios->c_cflag = CLOCAL | CREAD | CS8 | B9600
- | TIOCM_CTS | CSTOPB | PARENB;
- tty->termios->c_ispeed = 9600;
- tty->termios->c_ospeed = 9600;
- tty->termios->c_lflag = 0;
- tty->termios->c_oflag = 0;
- tty->termios->c_iflag = 0;
- priv->termios_initialized = 1;
- priv->poll = 0;
- }
- spin_unlock_irqrestore(&priv->lock, flags);
+ priv->poll = 0;
/* initialize writebuf */
#define FISH(a, b, c, d) do { \
@@ -1200,6 +1196,7 @@ static struct usb_serial_driver iuu_device = {
.tiocmget = iuu_tiocmget,
.tiocmset = iuu_tiocmset,
.set_termios = iuu_set_termios,
+ .init_termios = iuu_init_termios,
.attach = iuu_startup,
.release = iuu_release,
};
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 97901578343a..45ea694b3ae6 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -84,7 +84,7 @@ static void kobil_read_int_callback(struct urb *urb);
static void kobil_write_callback(struct urb *purb);
static void kobil_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old);
-
+static void kobil_init_termios(struct tty_struct *tty);
static struct usb_device_id id_table [] = {
{ USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) },
@@ -119,6 +119,7 @@ static struct usb_serial_driver kobil_device = {
.release = kobil_release,
.ioctl = kobil_ioctl,
.set_termios = kobil_set_termios,
+ .init_termios = kobil_init_termios,
.tiocmget = kobil_tiocmget,
.tiocmset = kobil_tiocmset,
.open = kobil_open,
@@ -209,6 +210,15 @@ static void kobil_release(struct usb_serial *serial)
kfree(usb_get_serial_port_data(serial->port[i]));
}
+static void kobil_init_termios(struct tty_struct *tty)
+{
+ /* Default to echo off and other sane device settings */
+ tty->termios->c_lflag = 0;
+ tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN | XCASE);
+ tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF;
+ /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */
+ tty->termios->c_oflag &= ~ONLCR;
+}
static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
{
@@ -224,16 +234,6 @@ static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port)
/* someone sets the dev to 0 if the close method has been called */
port->interrupt_in_urb->dev = port->serial->dev;
- if (tty) {
-
- /* Default to echo off and other sane device settings */
- tty->termios->c_lflag = 0;
- tty->termios->c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN |
- XCASE);
- tty->termios->c_iflag = IGNBRK | IGNPAR | IXOFF;
- /* do NOT translate CR to CR-NL (0x0A -> 0x0A 0x0D) */
- tty->termios->c_oflag &= ~ONLCR;
- }
/* allocate memory for transfer buffer */
transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL);
if (!transfer_buffer)
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index e90f88a3b040..0f4a70ce3823 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -145,6 +145,7 @@ static int oti6858_open(struct tty_struct *tty, struct usb_serial_port *port);
static void oti6858_close(struct usb_serial_port *port);
static void oti6858_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old);
+static void oti6858_init_termios(struct tty_struct *tty);
static int oti6858_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg);
static void oti6858_read_int_callback(struct urb *urb);
@@ -185,6 +186,7 @@ static struct usb_serial_driver oti6858_device = {
.write = oti6858_write,
.ioctl = oti6858_ioctl,
.set_termios = oti6858_set_termios,
+ .init_termios = oti6858_init_termios,
.tiocmget = oti6858_tiocmget,
.tiocmset = oti6858_tiocmset,
.read_bulk_callback = oti6858_read_bulk_callback,
@@ -205,7 +207,6 @@ struct oti6858_private {
struct {
u8 read_urb_in_use;
u8 write_urb_in_use;
- u8 termios_initialized;
} flags;
struct delayed_work delayed_write_work;
@@ -446,6 +447,14 @@ static int oti6858_chars_in_buffer(struct tty_struct *tty)
return chars;
}
+static void oti6858_init_termios(struct tty_struct *tty)
+{
+ *(tty->termios) = tty_std_termios;
+ tty->termios->c_cflag = B38400 | CS8 | CREAD | HUPCL | CLOCAL;
+ tty->termios->c_ispeed = 38400;
+ tty->termios->c_ospeed = 38400;
+}
+
static void oti6858_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios)
{
@@ -463,16 +472,6 @@ static void oti6858_set_termios(struct tty_struct *tty,
return;
}
- spin_lock_irqsave(&priv->lock, flags);
- if (!priv->flags.termios_initialized) {
- *(tty->termios) = tty_std_termios;
- tty->termios->c_cflag = B38400 | CS8 | CREAD | HUPCL | CLOCAL;
- tty->termios->c_ispeed = 38400;
- tty->termios->c_ospeed = 38400;
- priv->flags.termios_initialized = 1;
- }
- spin_unlock_irqrestore(&priv->lock, flags);
-
cflag = tty->termios->c_cflag;
spin_lock_irqsave(&priv->lock, flags);
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 8b312a05a353..61e7c40b94fb 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -299,7 +299,6 @@ struct spcp8x5_private {
wait_queue_head_t delta_msr_wait;
u8 line_control;
u8 line_status;
- u8 termios_initialized;
};
/* desc : when device plug in,this function would be called.
@@ -498,6 +497,15 @@ static void spcp8x5_close(struct usb_serial_port *port)
dev_dbg(&port->dev, "usb_unlink_urb(read_urb) = %d\n", result);
}
+static void spcp8x5_init_termios(struct tty_struct *tty)
+{
+ /* for the 1st time call this function */
+ *(tty->termios) = tty_std_termios;
+ tty->termios->c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL;
+ tty->termios->c_ispeed = 115200;
+ tty->termios->c_ospeed = 115200;
+}
+
/* set the serial param for transfer. we should check if we really need to
* transfer. if we set flow control we should do this too. */
static void spcp8x5_set_termios(struct tty_struct *tty,
@@ -514,16 +522,6 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
int i;
u8 control;
- /* for the 1st time call this function */
- spin_lock_irqsave(&priv->lock, flags);
- if (!priv->termios_initialized) {
- *(tty->termios) = tty_std_termios;
- tty->termios->c_cflag = B115200 | CS8 | CREAD | HUPCL | CLOCAL;
- tty->termios->c_ispeed = 115200;
- tty->termios->c_ospeed = 115200;
- priv->termios_initialized = 1;
- }
- spin_unlock_irqrestore(&priv->lock, flags);
/* check that they really want us to change something */
if (!tty_termios_hw_change(tty->termios, old_termios))
@@ -1008,6 +1006,7 @@ static struct usb_serial_driver spcp8x5_device = {
.carrier_raised = spcp8x5_carrier_raised,
.write = spcp8x5_write,
.set_termios = spcp8x5_set_termios,
+ .init_termios = spcp8x5_init_termios,
.ioctl = spcp8x5_ioctl,
.tiocmget = spcp8x5_tiocmget,
.tiocmset = spcp8x5_tiocmset,
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 3dda6841e724..80c1f4d8e910 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -721,6 +721,41 @@ static const struct tty_port_operations serial_port_ops = {
.dtr_rts = serial_dtr_rts,
};
+/**
+ * serial_install - install tty
+ * @driver: the driver (USB in our case)
+ * @tty: the tty being created
+ *
+ * Create the termios objects for this tty. We use the default USB
+ * serial ones but permit them to be overriddenby serial->type->termios.
+ * This lets us remove all the ugly hackery
+ */
+
+static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
+{
+ int idx = tty->index;
+ struct usb_serial *serial;
+ int retval;
+
+ /* If the termios setup has yet to be done */
+ if (tty->driver->termios[idx] == NULL) {
+ /* perform the standard setup */
+ retval = tty_init_termios(tty);
+ if (retval)
+ return retval;
+ /* allow the driver to update it */
+ serial = usb_serial_get_by_index(tty->index);
+ if (serial->type->init_termios)
+ serial->type->init_termios(tty);
+ usb_serial_put(serial);
+ }
+ /* Final install (we use the default method) */
+ tty_driver_kref_get(driver);
+ tty->count++;
+ driver->ttys[idx] = tty;
+ return 0;
+}
+
int usb_serial_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
@@ -1228,7 +1263,8 @@ static const struct tty_operations serial_ops = {
.chars_in_buffer = serial_chars_in_buffer,
.tiocmget = serial_tiocmget,
.tiocmset = serial_tiocmset,
- .shutdown = serial_do_free,
+ .shutdown = serial_do_free,
+ .install = serial_install,
.proc_fops = &serial_proc_fops,
};
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 81f2ae505966..62424eec33ec 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -259,7 +259,7 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command,
__u8 *data, __u8 datasize);
static int firm_open(struct usb_serial_port *port);
static int firm_close(struct usb_serial_port *port);
-static int firm_setup_port(struct tty_struct *tty);
+static void firm_setup_port(struct tty_struct *tty);
static int firm_set_rts(struct usb_serial_port *port, __u8 onoff);
static int firm_set_dtr(struct usb_serial_port *port, __u8 onoff);
static int firm_set_break(struct usb_serial_port *port, __u8 onoff);
@@ -1210,7 +1210,7 @@ static int firm_close(struct usb_serial_port *port)
}
-static int firm_setup_port(struct tty_struct *tty)
+static void firm_setup_port(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct whiteheat_port_settings port_settings;
@@ -1285,7 +1285,7 @@ static int firm_setup_port(struct tty_struct *tty)
port_settings.lloop = 0;
/* now send the message to the device */
- return firm_send_command(port, WHITEHEAT_SETUP_PORT,
+ firm_send_command(port, WHITEHEAT_SETUP_PORT,
(__u8 *)&port_settings, sizeof(port_settings));
}
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 1cbaf4a6b449..7b85e327af91 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -260,6 +260,9 @@ struct usb_serial_driver {
be an attached tty at this point */
void (*dtr_rts)(struct usb_serial_port *port, int on);
int (*carrier_raised)(struct usb_serial_port *port);
+ /* Called by the usb serial hooks to allow the user to rework the
+ termios state */
+ void (*init_termios)(struct tty_struct *tty);
/* USB events */
void (*read_int_callback)(struct urb *urb);
void (*write_int_callback)(struct urb *urb);
--
GitLab
From ee5aa7b8b98774f408d20a2f61f97a89ac66c29b Mon Sep 17 00:00:00 2001
From: Joe Peterson <joe@skyrush.com>
Date: Wed, 9 Sep 2009 15:03:13 -0600
Subject: [PATCH 704/742] n_tty: honor opost flag for echoes
Fixes the following bug:
http://bugs.linuxbase.org/show_bug.cgi?id=2692
Causes processing of echoed characters (output from the echo buffer) to
honor the O_OPOST flag, which is consistent with the old behavior.
Note that this and the next patch ("n_tty: move echoctl check and
clean up logic") were verified together by the bug reporters, and
the test now passes.
Signed-off-by: Joe Peterson <joe@skyrush.com>
Cc: Linux Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/n_tty.c | 33 ++++++++++++++++++++++-----------
1 file changed, 22 insertions(+), 11 deletions(-)
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index 4e28b35024ec..e6eeeb234e5d 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -272,7 +272,8 @@ static inline int is_continuation(unsigned char c, struct tty_struct *tty)
*
* This is a helper function that handles one output character
* (including special characters like TAB, CR, LF, etc.),
- * putting the results in the tty driver's write buffer.
+ * doing OPOST processing and putting the results in the
+ * tty driver's write buffer.
*
* Note that Linux currently ignores TABDLY, CRDLY, VTDLY, FFDLY
* and NLDLY. They simply aren't relevant in the world today.
@@ -350,8 +351,9 @@ static int do_output_char(unsigned char c, struct tty_struct *tty, int space)
* @c: character (or partial unicode symbol)
* @tty: terminal device
*
- * Perform OPOST processing. Returns -1 when the output device is
- * full and the character must be retried.
+ * Output one character with OPOST processing.
+ * Returns -1 when the output device is full and the character
+ * must be retried.
*
* Locking: output_lock to protect column state and space left
* (also, this is called from n_tty_write under the
@@ -377,8 +379,11 @@ static int process_output(unsigned char c, struct tty_struct *tty)
/**
* process_output_block - block post processor
* @tty: terminal device
- * @inbuf: user buffer
- * @nr: number of bytes
+ * @buf: character buffer
+ * @nr: number of bytes to output
+ *
+ * Output a block of characters with OPOST processing.
+ * Returns the number of characters output.
*
* This path is used to speed up block console writes, among other
* things when processing blocks of output data. It handles only
@@ -605,12 +610,18 @@ static void process_echoes(struct tty_struct *tty)
if (no_space_left)
break;
} else {
- int retval;
-
- retval = do_output_char(c, tty, space);
- if (retval < 0)
- break;
- space -= retval;
+ if (O_OPOST(tty) &&
+ !(test_bit(TTY_HW_COOK_OUT, &tty->flags))) {
+ int retval = do_output_char(c, tty, space);
+ if (retval < 0)
+ break;
+ space -= retval;
+ } else {
+ if (!space)
+ break;
+ tty_put_char(tty, c);
+ space -= 1;
+ }
cp += 1;
nr -= 1;
}
--
GitLab
From 62b263585bb5005d44a764c90d80f9c4bb8188c1 Mon Sep 17 00:00:00 2001
From: Joe Peterson <joe@skyrush.com>
Date: Wed, 9 Sep 2009 15:03:47 -0600
Subject: [PATCH 705/742] n_tty: move echoctl check and clean up logic
Check L_ECHOCTL before insertting a character in the echo buffer
(rather than as the buffer is processed), to be more consistent with
when all other L_ flags are checked. Also cleaned up the related logic.
Note that this and the previous patch ("n_tty: honor opost flag for echoes")
were verified together by the reporters of the bug that patch addresses
(http://bugs.linuxbase.org/show_bug.cgi?id=2692), and the test now passes.
Signed-off-by: Joe Peterson <joe@skyrush.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/n_tty.c | 46 +++++++++++++++++---------------------------
1 file changed, 18 insertions(+), 28 deletions(-)
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index e6eeeb234e5d..2e50f4dfc79c 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -576,33 +576,23 @@ static void process_echoes(struct tty_struct *tty)
break;
default:
- if (iscntrl(op)) {
- if (L_ECHOCTL(tty)) {
- /*
- * Ensure there is enough space
- * for the whole ctrl pair.
- */
- if (space < 2) {
- no_space_left = 1;
- break;
- }
- tty_put_char(tty, '^');
- tty_put_char(tty, op ^ 0100);
- tty->column += 2;
- space -= 2;
- } else {
- if (!space) {
- no_space_left = 1;
- break;
- }
- tty_put_char(tty, op);
- space--;
- }
- }
/*
- * If above falls through, this was an
- * undefined op.
+ * If the op is not a special byte code,
+ * it is a ctrl char tagged to be echoed
+ * as "^X" (where X is the letter
+ * representing the control char).
+ * Note that we must ensure there is
+ * enough space for the whole ctrl pair.
+ *
*/
+ if (space < 2) {
+ no_space_left = 1;
+ break;
+ }
+ tty_put_char(tty, '^');
+ tty_put_char(tty, op ^ 0100);
+ tty->column += 2;
+ space -= 2;
cp += 2;
nr -= 2;
}
@@ -809,8 +799,8 @@ static void echo_char_raw(unsigned char c, struct tty_struct *tty)
* Echo user input back onto the screen. This must be called only when
* L_ECHO(tty) is true. Called from the driver receive_buf path.
*
- * This variant tags control characters to be possibly echoed as
- * as "^X" (where X is the letter representing the control char).
+ * This variant tags control characters to be echoed as "^X"
+ * (where X is the letter representing the control char).
*
* Locking: echo_lock to protect the echo buffer
*/
@@ -823,7 +813,7 @@ static void echo_char(unsigned char c, struct tty_struct *tty)
add_echo_byte(ECHO_OP_START, tty);
add_echo_byte(ECHO_OP_START, tty);
} else {
- if (iscntrl(c) && c != '\t')
+ if (L_ECHOCTL(tty) && iscntrl(c) && c != '\t')
add_echo_byte(ECHO_OP_START, tty);
add_echo_byte(c, tty);
}
--
GitLab
From e92166517e3ca9bfb416f91e69cf0373b55b6ede Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 6 Aug 2009 15:09:28 +0200
Subject: [PATCH 706/742] tty: handle VT specific compat ioctls in vt driver
The VT specific compat_ioctl handlers are the only ones
in common code that require the BKL. Moving them into
the vt driver lets us remove the BKL from the other handlers
and cleans up the code.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/vt.c | 3 +
drivers/char/vt_ioctl.c | 203 ++++++++++++++++++++++++++++++++++++++++
include/linux/tty.h | 3 +
3 files changed, 209 insertions(+)
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 33214d92ca4c..5dfbfa7d7606 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2910,6 +2910,9 @@ static const struct tty_operations con_ops = {
.flush_chars = con_flush_chars,
.chars_in_buffer = con_chars_in_buffer,
.ioctl = vt_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = vt_compat_ioctl,
+#endif
.stop = con_stop,
.start = con_start,
.throttle = con_throttle,
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 0fceb8f4d6f2..30b5d128037c 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -16,6 +16,7 @@
#include <linux/tty.h>
#include <linux/timer.h>
#include <linux/kernel.h>
+#include <linux/compat.h>
#include <linux/module.h>
#include <linux/kd.h>
#include <linux/vt.h>
@@ -1376,6 +1377,208 @@ void vc_SAK(struct work_struct *work)
release_console_sem();
}
+#ifdef CONFIG_COMPAT
+
+struct compat_consolefontdesc {
+ unsigned short charcount; /* characters in font (256 or 512) */
+ unsigned short charheight; /* scan lines per character (1-32) */
+ compat_caddr_t chardata; /* font data in expanded form */
+};
+
+static inline int
+compat_fontx_ioctl(int cmd, struct compat_consolefontdesc __user *user_cfd,
+ int perm, struct console_font_op *op)
+{
+ struct compat_consolefontdesc cfdarg;
+ int i;
+
+ if (copy_from_user(&cfdarg, user_cfd, sizeof(struct compat_consolefontdesc)))
+ return -EFAULT;
+
+ switch (cmd) {
+ case PIO_FONTX:
+ if (!perm)
+ return -EPERM;
+ op->op = KD_FONT_OP_SET;
+ op->flags = KD_FONT_FLAG_OLD;
+ op->width = 8;
+ op->height = cfdarg.charheight;
+ op->charcount = cfdarg.charcount;
+ op->data = compat_ptr(cfdarg.chardata);
+ return con_font_op(vc_cons[fg_console].d, op);
+ case GIO_FONTX:
+ op->op = KD_FONT_OP_GET;
+ op->flags = KD_FONT_FLAG_OLD;
+ op->width = 8;
+ op->height = cfdarg.charheight;
+ op->charcount = cfdarg.charcount;
+ op->data = compat_ptr(cfdarg.chardata);
+ i = con_font_op(vc_cons[fg_console].d, op);
+ if (i)
+ return i;
+ cfdarg.charheight = op->height;
+ cfdarg.charcount = op->charcount;
+ if (copy_to_user(user_cfd, &cfdarg, sizeof(struct compat_consolefontdesc)))
+ return -EFAULT;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+struct compat_console_font_op {
+ compat_uint_t op; /* operation code KD_FONT_OP_* */
+ compat_uint_t flags; /* KD_FONT_FLAG_* */
+ compat_uint_t width, height; /* font size */
+ compat_uint_t charcount;
+ compat_caddr_t data; /* font data with height fixed to 32 */
+};
+
+static inline int
+compat_kdfontop_ioctl(struct compat_console_font_op __user *fontop,
+ int perm, struct console_font_op *op, struct vc_data *vc)
+{
+ int i;
+
+ if (copy_from_user(op, fontop, sizeof(struct compat_console_font_op)))
+ return -EFAULT;
+ if (!perm && op->op != KD_FONT_OP_GET)
+ return -EPERM;
+ op->data = compat_ptr(((struct compat_console_font_op *)op)->data);
+ op->flags |= KD_FONT_FLAG_OLD;
+ i = con_font_op(vc, op);
+ if (i)
+ return i;
+ ((struct compat_console_font_op *)op)->data = (unsigned long)op->data;
+ if (copy_to_user(fontop, op, sizeof(struct compat_console_font_op)))
+ return -EFAULT;
+ return 0;
+}
+
+struct compat_unimapdesc {
+ unsigned short entry_ct;
+ compat_caddr_t entries;
+};
+
+static inline int
+compat_unimap_ioctl(unsigned int cmd, struct compat_unimapdesc __user *user_ud,
+ int perm, struct vc_data *vc)
+{
+ struct compat_unimapdesc tmp;
+ struct unipair __user *tmp_entries;
+
+ if (copy_from_user(&tmp, user_ud, sizeof tmp))
+ return -EFAULT;
+ tmp_entries = compat_ptr(tmp.entries);
+ if (tmp_entries)
+ if (!access_ok(VERIFY_WRITE, tmp_entries,
+ tmp.entry_ct*sizeof(struct unipair)))
+ return -EFAULT;
+ switch (cmd) {
+ case PIO_UNIMAP:
+ if (!perm)
+ return -EPERM;
+ return con_set_unimap(vc, tmp.entry_ct, tmp_entries);
+ case GIO_UNIMAP:
+ if (!perm && fg_console != vc->vc_num)
+ return -EPERM;
+ return con_get_unimap(vc, tmp.entry_ct, &(user_ud->entry_ct), tmp_entries);
+ }
+ return 0;
+}
+
+long vt_compat_ioctl(struct tty_struct *tty, struct file * file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct vc_data *vc = tty->driver_data;
+ struct console_font_op op; /* used in multiple places here */
+ struct kbd_struct *kbd;
+ unsigned int console;
+ void __user *up = (void __user *)arg;
+ int perm;
+ int ret = 0;
+
+ console = vc->vc_num;
+
+ lock_kernel();
+
+ if (!vc_cons_allocated(console)) { /* impossible? */
+ ret = -ENOIOCTLCMD;
+ goto out;
+ }
+
+ /*
+ * To have permissions to do most of the vt ioctls, we either have
+ * to be the owner of the tty, or have CAP_SYS_TTY_CONFIG.
+ */
+ perm = 0;
+ if (current->signal->tty == tty || capable(CAP_SYS_TTY_CONFIG))
+ perm = 1;
+
+ kbd = kbd_table + console;
+ switch (cmd) {
+ /*
+ * these need special handlers for incompatible data structures
+ */
+ case PIO_FONTX:
+ case GIO_FONTX:
+ ret = compat_fontx_ioctl(cmd, up, perm, &op);
+ break;
+
+ case KDFONTOP:
+ ret = compat_kdfontop_ioctl(up, perm, &op, vc);
+ break;
+
+ case PIO_UNIMAP:
+ case GIO_UNIMAP:
+ ret = do_unimap_ioctl(cmd, up, perm, vc);
+ break;
+
+ /*
+ * all these treat 'arg' as an integer
+ */
+ case KIOCSOUND:
+ case KDMKTONE:
+#ifdef CONFIG_X86
+ case KDADDIO:
+ case KDDELIO:
+#endif
+ case KDSETMODE:
+ case KDMAPDISP:
+ case KDUNMAPDISP:
+ case KDSKBMODE:
+ case KDSKBMETA:
+ case KDSKBLED:
+ case KDSETLED:
+ case KDSIGACCEPT:
+ case VT_ACTIVATE:
+ case VT_WAITACTIVE:
+ case VT_RELDISP:
+ case VT_DISALLOCATE:
+ case VT_RESIZE:
+ case VT_RESIZEX:
+ goto fallback;
+
+ /*
+ * the rest has a compatible data structure behind arg,
+ * but we have to convert it to a proper 64 bit pointer.
+ */
+ default:
+ arg = (unsigned long)compat_ptr(arg);
+ goto fallback;
+ }
+out:
+ unlock_kernel();
+ return ret;
+
+fallback:
+ unlock_kernel();
+ return vt_ioctl(tty, file, cmd, arg);
+}
+
+
+#endif /* CONFIG_COMPAT */
+
+
/*
* Performs the back end of a vt switch. Called under the console
* semaphore.
diff --git a/include/linux/tty.h b/include/linux/tty.h
index a0e03309a379..f0f43d08d8b8 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -536,5 +536,8 @@ extern int pcxe_open(struct tty_struct *tty, struct file *filp);
extern int vt_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg);
+extern long vt_compat_ioctl(struct tty_struct *tty, struct file * file,
+ unsigned int cmd, unsigned long arg);
+
#endif /* __KERNEL__ */
#endif
--
GitLab
From 9074d963f4a5ab9c45e9edea32c3df4960bc7490 Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 9 Aug 2009 21:54:03 +0200
Subject: [PATCH 707/742] tty: vt: use printk_once
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/tty_ioctl.c | 4 +---
drivers/char/vt.c | 6 +-----
2 files changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c
index ad6ba4ed2808..8e67d5c642a4 100644
--- a/drivers/char/tty_ioctl.c
+++ b/drivers/char/tty_ioctl.c
@@ -393,9 +393,7 @@ void tty_termios_encode_baud_rate(struct ktermios *termios,
termios->c_cflag |= (BOTHER << IBSHIFT);
#else
if (ifound == -1 || ofound == -1) {
- static int warned;
- if (!warned++)
- printk(KERN_WARNING "tty: Unable to return correct "
+ printk_once(KERN_WARNING "tty: Unable to return correct "
"speed data as your architecture needs updating.\n");
}
#endif
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 5dfbfa7d7606..0c80c68cd047 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2129,11 +2129,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
currcons = vc->vc_num;
if (!vc_cons_allocated(currcons)) {
/* could this happen? */
- static int error = 0;
- if (!error) {
- error = 1;
- printk("con_write: tty %d not allocated\n", currcons+1);
- }
+ printk_once("con_write: tty %d not allocated\n", currcons+1);
release_console_sem();
return 0;
}
--
GitLab
From 797938b5e33991dadf4dd9228b932cc69c3e905a Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Tue, 11 Aug 2009 23:20:41 +0200
Subject: [PATCH 708/742] tty: Power: fix suspend vt regression
vt_waitactive no longer accepts console parameter as console-1
since commit "vt: add an event interface". It expects console
number directly (as viewed by userspace -- counting from 1).
Fix a deadlock suspend regression by redefining adding one
to vt in vt_move_to_console.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/vt_ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 30b5d128037c..29c651ab0d78 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -1757,7 +1757,7 @@ int vt_move_to_console(unsigned int vt, int alloc)
return -EIO;
}
release_console_sem();
- if (vt_waitactive(vt)) {
+ if (vt_waitactive(vt + 1)) {
pr_debug("Suspend: Can't switch VCs.");
return -EINTR;
}
--
GitLab
From 1f5c13fad4ec5617b610e12205902c06298c096a Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 20 Aug 2009 15:23:47 -0400
Subject: [PATCH 709/742] TTY: fix typos
This patch (as1282) fixes some obvious typos in the TTY core.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/tty_port.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index c767e30a1425..a4bbb28f10be 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -100,7 +100,7 @@ EXPORT_SYMBOL(tty_port_tty_set);
static void tty_port_shutdown(struct tty_port *port)
{
if (port->ops->shutdown &&
- test_and_clear_bit(ASYNC_INITIALIZED, &port->flags))
+ test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags))
port->ops->shutdown(port);
}
@@ -311,7 +311,7 @@ int tty_port_close_start(struct tty_port *port, struct tty_struct *tty, struct f
port->ops->drop(port);
return 0;
}
- set_bit(ASYNC_CLOSING, &port->flags);
+ set_bit(ASYNCB_CLOSING, &port->flags);
tty->closing = 1;
spin_unlock_irqrestore(&port->lock, flags);
/* Don't block on a stalled port, just pull the chain */
--
GitLab
From 90387f5eb08e50d79ab305dab170b4a437d5802c Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 22 Aug 2009 09:04:42 +0200
Subject: [PATCH 710/742] tty: riscom8, fix shutdown declaration
tty_port_ops.shutdown takes only one parameter: tty port. Remove
the second one and use port->tty where needed instead.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/riscom8.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 7b5623b01903..3c7cf2cf3ea2 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -934,7 +934,7 @@ static void rc_flush_buffer(struct tty_struct *tty)
tty_wakeup(tty);
}
-static void rc_close_port(struct tty_port *port, struct tty_struct *tty)
+static void rc_close_port(struct tty_port *port)
{
unsigned long flags;
struct riscom_port *rp = container_of(port, struct riscom_port, port);
@@ -969,7 +969,7 @@ static void rc_close_port(struct tty_port *port, struct tty_struct *tty)
break;
}
}
- rc_shutdown_port(tty, bp, rp);
+ rc_shutdown_port(port->tty, bp, rp);
spin_unlock_irqrestore(&riscom_lock, flags);
}
--
GitLab
From 7e63d0c453aa3fae714bc679f6768203b5dc9c32 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sun, 6 Sep 2009 23:10:09 +0200
Subject: [PATCH 711/742] tty: riscom8, fix tty refcnt
Stanse found a tty refcnt leak on one fail path in rc_transmit.
Fix that by jumping to the 'out' label.
http://stanse.fi.muni.cz/
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/riscom8.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 3c7cf2cf3ea2..3cfa22d469e0 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -467,7 +467,7 @@ static void rc_transmit(struct riscom_board const *bp)
rc_out(bp, CD180_CCR, CCR_CORCHG2);
port->break_length = 0;
}
- return;
+ goto out;
}
count = CD180_NFIFO;
--
GitLab
From 054f2346cb0e524cbb678759bfedabfdba4d0100 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sun, 6 Sep 2009 23:10:10 +0200
Subject: [PATCH 712/742] tty: USB: serial/mct_u232, fix tty refcnt
Stanse found a tty refcnt leak in read_int_callback. In fact
it's handled wrong altogether. tty_port_tty_get can return NULL
and it's not checked in that manner.
Fix that by checking the tty_port_tty_get retval and put tty kref
properly.
http://stanse.fi.muni.cz/
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/mct_u232.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index d501aefa2628..ad4998bbf16f 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -566,10 +566,13 @@ static void mct_u232_read_int_callback(struct urb *urb)
* Work-a-round: handle the 'usual' bulk-in pipe here
*/
if (urb->transfer_buffer_length > 2) {
- tty = tty_port_tty_get(&port->port);
if (urb->actual_length) {
- tty_insert_flip_string(tty, data, urb->actual_length);
- tty_flip_buffer_push(tty);
+ tty = tty_port_tty_get(&port->port);
+ if (tty) {
+ tty_insert_flip_string(tty, data,
+ urb->actual_length);
+ tty_flip_buffer_push(tty);
+ }
tty_kref_put(tty);
}
goto exit;
--
GitLab
From d2cfe9628c6187cafd1aac32a44dcd9ed7adb5fe Mon Sep 17 00:00:00 2001
From: Peter Korsgaard <jacmet@sunsite.dk>
Date: Wed, 9 Sep 2009 16:54:04 +0200
Subject: [PATCH 713/742] uartlite: support shared interrupt lines
Adapt isr to work with shared interrupt lines.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/serial/uartlite.c | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index 5d3a573d6994..377f2712289e 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -154,17 +154,22 @@ static int ulite_transmit(struct uart_port *port, int stat)
static irqreturn_t ulite_isr(int irq, void *dev_id)
{
struct uart_port *port = dev_id;
- int busy;
+ int busy, n = 0;
do {
int stat = readb(port->membase + ULITE_STATUS);
busy = ulite_receive(port, stat);
busy |= ulite_transmit(port, stat);
+ n++;
} while (busy);
- tty_flip_buffer_push(port->state->port.tty);
-
- return IRQ_HANDLED;
+ /* work done? */
+ if (n > 1) {
+ tty_flip_buffer_push(port->state->port.tty);
+ return IRQ_HANDLED;
+ } else {
+ return IRQ_NONE;
+ }
}
static unsigned int ulite_tx_empty(struct uart_port *port)
@@ -221,7 +226,7 @@ static int ulite_startup(struct uart_port *port)
int ret;
ret = request_irq(port->irq, ulite_isr,
- IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "uartlite", port);
+ IRQF_SHARED | IRQF_SAMPLE_RANDOM, "uartlite", port);
if (ret)
return ret;
--
GitLab
From 502f295f6ca5cd034c69b0662b251ffdeed95d33 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Thu, 10 Sep 2009 12:20:07 +0200
Subject: [PATCH 714/742] tty: Char: mxser, add support for CP112UL
Add support for MOXA:0x1120 pci device. It's a 2-port device and differs
in no way from the others. So this turns out to be a trivial
pci_device_id change.
Increase also the version number.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/mxser.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 37058ff7da7d..e218ae29b482 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -48,7 +48,7 @@
#include "mxser.h"
-#define MXSER_VERSION "2.0.4" /* 1.12 */
+#define MXSER_VERSION "2.0.5" /* 1.14 */
#define MXSERMAJOR 174
#define MXSER_BOARDS 4 /* Max. boards */
@@ -69,6 +69,7 @@
#define PCI_DEVICE_ID_POS104UL 0x1044
#define PCI_DEVICE_ID_CB108 0x1080
#define PCI_DEVICE_ID_CP102UF 0x1023
+#define PCI_DEVICE_ID_CP112UL 0x1120
#define PCI_DEVICE_ID_CB114 0x1142
#define PCI_DEVICE_ID_CP114UL 0x1143
#define PCI_DEVICE_ID_CB134I 0x1341
@@ -139,7 +140,8 @@ static const struct mxser_cardinfo mxser_cards[] = {
{ "CP-138U series", 8, },
{ "POS-104UL series", 4, },
{ "CP-114UL series", 4, },
-/*30*/ { "CP-102UF series", 2, }
+/*30*/ { "CP-102UF series", 2, },
+ { "CP-112UL series", 2, },
};
/* driver_data correspond to the lines in the structure above
@@ -170,6 +172,7 @@ static struct pci_device_id mxser_pcibrds[] = {
{ PCI_VDEVICE(MOXA, PCI_DEVICE_ID_POS104UL), .driver_data = 28 },
{ PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP114UL), .driver_data = 29 },
{ PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP102UF), .driver_data = 30 },
+ { PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP112UL), .driver_data = 31 },
{ }
};
MODULE_DEVICE_TABLE(pci, mxser_pcibrds);
--
GitLab
From a75b7b68ef73685784781d6d2bc416b6dac20969 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Thu, 10 Sep 2009 12:20:08 +0200
Subject: [PATCH 715/742] tty: Char: mxser, use THRE for ASPP_OQUEUE ioctl
In moxa specific ASPP_OQUEUE ioctl command, they apparently want
only know whether there is space in transmitter hold register.
So switch UART_LSR_TEMT to UART_LSR_THRE in that specific case
according to the change in 1.14 moxa drivers.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/char/mxser.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index e218ae29b482..5e28d39b9e81 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1806,7 +1806,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file,
lock_kernel();
len = mxser_chars_in_buffer(tty);
- lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_TEMT;
+ lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_THRE;
len += (lsr ? 0 : 1);
unlock_kernel();
--
GitLab
From 41bd34ddd7aa46dbc03b5bb33896e0fa8100fe7b Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 1 Sep 2009 11:38:34 -0400
Subject: [PATCH 716/742] usb-serial: change referencing of port and serial
structures
This patch (as1284) changes the referencing of the usb_serial and
usb_serial_port structures in usb-serial.c. It's not feasible to make
the port structures keep a reference to the serial structure, because
the ports need to remain in existence when serial is released -- quite
a few of the drivers expect this. Consequently taking a reference
to the port when the device file is open is insufficient; such a
reference would not pin serial.
To fix this, we now take a reference to serial when the device file is
opened. The final put_device() for the ports occurs in
destroy_serial(), so that the ports will last as long as they are
needed.
The patch initializes all the port devices, including those in the
unused "fake" ports. This makes the code more uniform because they
can all be released in the same way. The error handling code in
usb_serial_probe() is much simplified by this approach; instead of
freeing everything by hand we can use a single usb_serial_put() call.
Also simplified is the port-release mechanism. Instead of being two
separate routines, port_release() and port_free() can be combined into
one.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/usb-serial.c | 95 +++++++--------------------------
1 file changed, 20 insertions(+), 75 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 80c1f4d8e910..f1a1f0fb6d1b 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -43,8 +43,6 @@
#define DRIVER_AUTHOR "Greg Kroah-Hartman, greg@kroah.com, http://www.kroah.com/linux/"
#define DRIVER_DESC "USB Serial Driver core"
-static void port_free(struct usb_serial_port *port);
-
/* Driver structure we register with the USB core */
static struct usb_driver usb_serial_driver = {
.name = "usbserial",
@@ -145,27 +143,16 @@ static void destroy_serial(struct kref *kref)
serial->type->release(serial);
- for (i = 0; i < serial->num_ports; ++i) {
+ /* Now that nothing is using the ports, they can be freed */
+ for (i = 0; i < serial->num_port_pointers; ++i) {
port = serial->port[i];
- if (port)
+ if (port) {
+ port->serial = NULL;
put_device(&port->dev);
- }
-
- /* If this is a "fake" port, we have to clean it up here, as it will
- * not get cleaned up in port_release() as it was never registered with
- * the driver core */
- if (serial->num_ports < serial->num_port_pointers) {
- for (i = serial->num_ports;
- i < serial->num_port_pointers; ++i) {
- port = serial->port[i];
- if (port)
- port_free(port);
}
}
usb_put_dev(serial->dev);
-
- /* free up any memory that we allocated */
kfree(serial);
}
@@ -201,8 +188,6 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
port = serial->port[portNumber];
if (!port || serial->disconnected)
retval = -ENODEV;
- else
- get_device(&port->dev);
/*
* Note: Our locking order requirement does not allow port->mutex
* to be acquired while serial->disc_mutex is held.
@@ -213,7 +198,7 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
if (mutex_lock_interruptible(&port->mutex)) {
retval = -ERESTARTSYS;
- goto bailout_port_put;
+ goto bailout_serial_put;
}
++port->port.count;
@@ -273,8 +258,6 @@ bailout_mutex_unlock:
tty->driver_data = NULL;
tty_port_tty_set(&port->port, NULL);
mutex_unlock(&port->mutex);
-bailout_port_put:
- put_device(&port->dev);
bailout_serial_put:
usb_serial_put(serial);
return retval;
@@ -333,14 +316,13 @@ static void serial_do_free(struct tty_struct *tty)
serial = port->serial;
owner = serial->type->driver.owner;
- put_device(&port->dev);
- /* Mustn't dereference port any more */
+
mutex_lock(&serial->disc_mutex);
if (!serial->disconnected)
usb_autopm_put_interface(serial->interface);
mutex_unlock(&serial->disc_mutex);
+
usb_serial_put(serial);
- /* Mustn't dereference serial any more */
module_put(owner);
}
@@ -581,14 +563,6 @@ static void usb_serial_port_work(struct work_struct *work)
tty_kref_put(tty);
}
-static void port_release(struct device *dev)
-{
- struct usb_serial_port *port = to_usb_serial_port(dev);
-
- dbg ("%s - %s", __func__, dev_name(dev));
- port_free(port);
-}
-
static void kill_traffic(struct usb_serial_port *port)
{
usb_kill_urb(port->read_urb);
@@ -608,8 +582,12 @@ static void kill_traffic(struct usb_serial_port *port)
usb_kill_urb(port->interrupt_out_urb);
}
-static void port_free(struct usb_serial_port *port)
+static void port_release(struct device *dev)
{
+ struct usb_serial_port *port = to_usb_serial_port(dev);
+
+ dbg ("%s - %s", __func__, dev_name(dev));
+
/*
* Stop all the traffic before cancelling the work, so that
* nobody will restart it by calling usb_serial_port_softint.
@@ -955,6 +933,11 @@ int usb_serial_probe(struct usb_interface *interface,
mutex_init(&port->mutex);
INIT_WORK(&port->work, usb_serial_port_work);
serial->port[i] = port;
+ port->dev.parent = &interface->dev;
+ port->dev.driver = NULL;
+ port->dev.bus = &usb_serial_bus_type;
+ port->dev.release = &port_release;
+ device_initialize(&port->dev);
}
/* set up the endpoint information */
@@ -1097,15 +1080,10 @@ int usb_serial_probe(struct usb_interface *interface,
/* register all of the individual ports with the driver core */
for (i = 0; i < num_ports; ++i) {
port = serial->port[i];
- port->dev.parent = &interface->dev;
- port->dev.driver = NULL;
- port->dev.bus = &usb_serial_bus_type;
- port->dev.release = &port_release;
-
dev_set_name(&port->dev, "ttyUSB%d", port->number);
dbg ("%s - registering %s", __func__, dev_name(&port->dev));
port->dev_state = PORT_REGISTERING;
- retval = device_register(&port->dev);
+ retval = device_add(&port->dev);
if (retval) {
dev_err(&port->dev, "Error registering port device, "
"continuing\n");
@@ -1123,39 +1101,7 @@ exit:
return 0;
probe_error:
- for (i = 0; i < num_bulk_in; ++i) {
- port = serial->port[i];
- if (!port)
- continue;
- usb_free_urb(port->read_urb);
- kfree(port->bulk_in_buffer);
- }
- for (i = 0; i < num_bulk_out; ++i) {
- port = serial->port[i];
- if (!port)
- continue;
- usb_free_urb(port->write_urb);
- kfree(port->bulk_out_buffer);
- }
- for (i = 0; i < num_interrupt_in; ++i) {
- port = serial->port[i];
- if (!port)
- continue;
- usb_free_urb(port->interrupt_in_urb);
- kfree(port->interrupt_in_buffer);
- }
- for (i = 0; i < num_interrupt_out; ++i) {
- port = serial->port[i];
- if (!port)
- continue;
- usb_free_urb(port->interrupt_out_urb);
- kfree(port->interrupt_out_buffer);
- }
-
- /* free up any memory that we allocated */
- for (i = 0; i < serial->num_port_pointers; ++i)
- kfree(serial->port[i]);
- kfree(serial);
+ usb_serial_put(serial);
return -EIO;
}
EXPORT_SYMBOL_GPL(usb_serial_probe);
@@ -1206,8 +1152,7 @@ void usb_serial_disconnect(struct usb_interface *interface)
}
serial->type->disconnect(serial);
- /* let the last holder of this object
- * cause it to be cleaned up */
+ /* let the last holder of this object cause it to be cleaned up */
usb_serial_put(serial);
dev_info(dev, "device disconnected\n");
}
--
GitLab
From f5b0953a89fa3407fb293cc54ead7d8feec489e4 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 1 Sep 2009 11:38:44 -0400
Subject: [PATCH 717/742] usb-serial: put subroutines in logical order
This patch (as1285) rearranges the subroutines in usb-serial.c
concerned with tty lifetimes into a more logical order: install, open,
hangup, close, release. It also updates the formatting of the
kerneldoc comments.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/usb-serial.c | 154 ++++++++++++++++----------------
1 file changed, 77 insertions(+), 77 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index f1a1f0fb6d1b..266dc583867b 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -166,6 +166,41 @@ void usb_serial_put(struct usb_serial *serial)
/*****************************************************************************
* Driver tty interface functions
*****************************************************************************/
+
+/**
+ * serial_install - install tty
+ * @driver: the driver (USB in our case)
+ * @tty: the tty being created
+ *
+ * Create the termios objects for this tty. We use the default
+ * USB serial settings but permit them to be overridden by
+ * serial->type->init_termios.
+ */
+static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
+{
+ int idx = tty->index;
+ struct usb_serial *serial;
+ int retval;
+
+ /* If the termios setup has yet to be done */
+ if (tty->driver->termios[idx] == NULL) {
+ /* perform the standard setup */
+ retval = tty_init_termios(tty);
+ if (retval)
+ return retval;
+ /* allow the driver to update it */
+ serial = usb_serial_get_by_index(tty->index);
+ if (serial->type->init_termios)
+ serial->type->init_termios(tty);
+ usb_serial_put(serial);
+ }
+ /* Final install (we use the default method) */
+ tty_driver_kref_get(driver);
+ tty->count++;
+ driver->ttys[idx] = tty;
+ return 0;
+}
+
static int serial_open (struct tty_struct *tty, struct file *filp)
{
struct usb_serial *serial;
@@ -264,13 +299,11 @@ bailout_serial_put:
}
/**
- * serial_do_down - shut down hardware
- * @port: port to shut down
+ * serial_do_down - shut down hardware
+ * @port: port to shut down
*
- * Shut down a USB port unless it is the console. We never shut down the
- * console hardware as it will always be in use.
- *
- * Don't free any resources at this point
+ * Shut down a USB serial port unless it is the console. We never
+ * shut down the console hardware as it will always be in use.
*/
static void serial_do_down(struct usb_serial_port *port)
{
@@ -278,8 +311,10 @@ static void serial_do_down(struct usb_serial_port *port)
struct usb_serial *serial;
struct module *owner;
- /* The console is magical, do not hang up the console hardware
- or there will be tears */
+ /*
+ * The console is magical. Do not hang up the console hardware
+ * or there will be tears.
+ */
if (port->console)
return;
@@ -293,24 +328,50 @@ static void serial_do_down(struct usb_serial_port *port)
mutex_unlock(&port->mutex);
}
+static void serial_hangup(struct tty_struct *tty)
+{
+ struct usb_serial_port *port = tty->driver_data;
+ serial_do_down(port);
+ tty_port_hangup(&port->port);
+ /* We must not free port yet - the USB serial layer depends on it's
+ continued existence */
+}
+
+static void serial_close(struct tty_struct *tty, struct file *filp)
+{
+ struct usb_serial_port *port = tty->driver_data;
+
+ if (!port)
+ return;
+
+ dbg("%s - port %d", __func__, port->number);
+
+ if (tty_port_close_start(&port->port, tty, filp) == 0)
+ return;
+ serial_do_down(port);
+ tty_port_close_end(&port->port, tty);
+ tty_port_tty_set(&port->port, NULL);
+
+}
+
/**
- * serial_do_free - free resources post close/hangup
- * @port: port to free up
+ * serial_do_free - free resources post close/hangup
+ * @port: port to free up
*
- * Do the resource freeing and refcount dropping for the port. We must
- * be careful about ordering and we must avoid freeing up the console.
+ * Do the resource freeing and refcount dropping for the port.
+ * Avoid freeing the console.
*
- * Called when the last tty kref is dropped.
+ * Called when the last tty kref is dropped.
*/
-
static void serial_do_free(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct usb_serial *serial;
struct module *owner;
- /* The console is magical, do not hang up the console hardware
- or there will be tears */
+ /* The console is magical. Do not hang up the console hardware
+ * or there will be tears.
+ */
if (port == NULL || port->console)
return;
@@ -326,32 +387,6 @@ static void serial_do_free(struct tty_struct *tty)
module_put(owner);
}
-static void serial_close(struct tty_struct *tty, struct file *filp)
-{
- struct usb_serial_port *port = tty->driver_data;
-
- if (!port)
- return;
-
- dbg("%s - port %d", __func__, port->number);
-
- if (tty_port_close_start(&port->port, tty, filp) == 0)
- return;
- serial_do_down(port);
- tty_port_close_end(&port->port, tty);
- tty_port_tty_set(&port->port, NULL);
-
-}
-
-static void serial_hangup(struct tty_struct *tty)
-{
- struct usb_serial_port *port = tty->driver_data;
- serial_do_down(port);
- tty_port_hangup(&port->port);
- /* We must not free port yet - the USB serial layer depends on it's
- continued existence */
-}
-
static int serial_write(struct tty_struct *tty, const unsigned char *buf,
int count)
{
@@ -699,41 +734,6 @@ static const struct tty_port_operations serial_port_ops = {
.dtr_rts = serial_dtr_rts,
};
-/**
- * serial_install - install tty
- * @driver: the driver (USB in our case)
- * @tty: the tty being created
- *
- * Create the termios objects for this tty. We use the default USB
- * serial ones but permit them to be overriddenby serial->type->termios.
- * This lets us remove all the ugly hackery
- */
-
-static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
-{
- int idx = tty->index;
- struct usb_serial *serial;
- int retval;
-
- /* If the termios setup has yet to be done */
- if (tty->driver->termios[idx] == NULL) {
- /* perform the standard setup */
- retval = tty_init_termios(tty);
- if (retval)
- return retval;
- /* allow the driver to update it */
- serial = usb_serial_get_by_index(tty->index);
- if (serial->type->init_termios)
- serial->type->init_termios(tty);
- usb_serial_put(serial);
- }
- /* Final install (we use the default method) */
- tty_driver_kref_get(driver);
- tty->count++;
- driver->ttys[idx] = tty;
- return 0;
-}
-
int usb_serial_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
--
GitLab
From 8bc2c1b2daf95029658868cb1427baea2da87139 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 1 Sep 2009 11:38:59 -0400
Subject: [PATCH 718/742] usb-serial: change logic of serial lookups
This patch (as1286) changes usb_serial_get_by_index(). Now the
routine will check whether the serial device has been disconnected; if
it has then the return value will be NULL. If the device hasn't been
disconnected then the routine will return with serial->disc_mutex
held, so that the caller can use the structure without fear of racing
against driver unloads.
This permits the scope of table_mutex in destroy_serial() to be
reduced. Instead of protecting the entire function, it suffices to
protect the part that actually uses serial_table[], i.e., the call to
return_serial(). There's no longer any danger of the refcount being
incremented after it reaches 0 (which was the reason for having the
large scope previously), because it can't reach 0 until the serial
device has been disconnected.
Also, the patch makes serial_install() check that serial is non-NULL
before attempting to use it.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/usb-serial.c | 31 +++++++++++++++++++++++--------
1 file changed, 23 insertions(+), 8 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 266dc583867b..87802ea8bbc8 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -66,6 +66,11 @@ static struct usb_serial *serial_table[SERIAL_TTY_MINORS];
static DEFINE_MUTEX(table_lock);
static LIST_HEAD(usb_serial_driver_list);
+/*
+ * Look up the serial structure. If it is found and it hasn't been
+ * disconnected, return with its disc_mutex held and its refcount
+ * incremented. Otherwise return NULL.
+ */
struct usb_serial *usb_serial_get_by_index(unsigned index)
{
struct usb_serial *serial;
@@ -73,8 +78,15 @@ struct usb_serial *usb_serial_get_by_index(unsigned index)
mutex_lock(&table_lock);
serial = serial_table[index];
- if (serial)
- kref_get(&serial->kref);
+ if (serial) {
+ mutex_lock(&serial->disc_mutex);
+ if (serial->disconnected) {
+ mutex_unlock(&serial->disc_mutex);
+ serial = NULL;
+ } else {
+ kref_get(&serial->kref);
+ }
+ }
mutex_unlock(&table_lock);
return serial;
}
@@ -123,8 +135,10 @@ static void return_serial(struct usb_serial *serial)
dbg("%s", __func__);
+ mutex_lock(&table_lock);
for (i = 0; i < serial->num_ports; ++i)
serial_table[serial->minor + i] = NULL;
+ mutex_unlock(&table_lock);
}
static void destroy_serial(struct kref *kref)
@@ -158,9 +172,7 @@ static void destroy_serial(struct kref *kref)
void usb_serial_put(struct usb_serial *serial)
{
- mutex_lock(&table_lock);
kref_put(&serial->kref, destroy_serial);
- mutex_unlock(&table_lock);
}
/*****************************************************************************
@@ -190,9 +202,12 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
return retval;
/* allow the driver to update it */
serial = usb_serial_get_by_index(tty->index);
- if (serial->type->init_termios)
- serial->type->init_termios(tty);
- usb_serial_put(serial);
+ if (serial) {
+ if (serial->type->init_termios)
+ serial->type->init_termios(tty);
+ usb_serial_put(serial);
+ mutex_unlock(&serial->disc_mutex);
+ }
}
/* Final install (we use the default method) */
tty_driver_kref_get(driver);
@@ -218,7 +233,6 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
return -ENODEV;
}
- mutex_lock(&serial->disc_mutex);
portNumber = tty->index - serial->minor;
port = serial->port[portNumber];
if (!port || serial->disconnected)
@@ -529,6 +543,7 @@ static int serial_proc_show(struct seq_file *m, void *v)
seq_putc(m, '\n');
usb_serial_put(serial);
+ mutex_unlock(&serial->disc_mutex);
}
return 0;
}
--
GitLab
From cc56cd0157753c04a987888a2f793803df661a40 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 1 Sep 2009 11:39:13 -0400
Subject: [PATCH 719/742] usb-serial: acquire references when a new tty is
installed
This patch (as1287) makes serial_install() be reponsible for acquiring
references to the usb_serial structure and the driver module when a
tty is first used. This is more sensible than having serial_open() do
it, because a tty can be opened many times whereas it is installed
only once, when it is created. (Not to mention that these actions are
reversed when the tty is released, not when it is closed.) Finally,
it is at install time that the TTY core takes its own reference to the
usb_serial module, so it is only fitting that we should act the same
way in regard to the lower-level serial driver.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/usb-serial.c | 111 ++++++++++++++------------------
1 file changed, 47 insertions(+), 64 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 87802ea8bbc8..7d207d91a6a8 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -187,100 +187,92 @@ void usb_serial_put(struct usb_serial *serial)
* Create the termios objects for this tty. We use the default
* USB serial settings but permit them to be overridden by
* serial->type->init_termios.
+ *
+ * This is the first place a new tty gets used. Hence this is where we
+ * acquire references to the usb_serial structure and the driver module,
+ * where we store a pointer to the port, and where we do an autoresume.
+ * All these actions are reversed in serial_do_free().
*/
static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
{
int idx = tty->index;
struct usb_serial *serial;
- int retval;
+ struct usb_serial_port *port;
+ int retval = -ENODEV;
+
+ serial = usb_serial_get_by_index(idx);
+ if (!serial)
+ return retval;
+
+ port = serial->port[idx - serial->minor];
+ if (!port)
+ goto error_no_port;
+ if (!try_module_get(serial->type->driver.owner))
+ goto error_module_get;
+
+ retval = usb_autopm_get_interface(serial->interface);
+ if (retval)
+ goto error_get_interface;
/* If the termios setup has yet to be done */
if (tty->driver->termios[idx] == NULL) {
/* perform the standard setup */
retval = tty_init_termios(tty);
if (retval)
- return retval;
+ goto error_init_termios;
/* allow the driver to update it */
- serial = usb_serial_get_by_index(tty->index);
- if (serial) {
- if (serial->type->init_termios)
- serial->type->init_termios(tty);
- usb_serial_put(serial);
- mutex_unlock(&serial->disc_mutex);
- }
+ if (serial->type->init_termios)
+ serial->type->init_termios(tty);
}
+ mutex_unlock(&serial->disc_mutex);
+
+ tty->driver_data = port;
+
/* Final install (we use the default method) */
tty_driver_kref_get(driver);
tty->count++;
driver->ttys[idx] = tty;
- return 0;
+ return retval;
+
+ error_init_termios:
+ usb_autopm_put_interface(serial->interface);
+ error_get_interface:
+ module_put(serial->type->driver.owner);
+ error_module_get:
+ error_no_port:
+ usb_serial_put(serial);
+ mutex_unlock(&serial->disc_mutex);
+ return retval;
}
static int serial_open (struct tty_struct *tty, struct file *filp)
{
struct usb_serial *serial;
struct usb_serial_port *port;
- unsigned int portNumber;
int retval = 0;
int first = 0;
dbg("%s", __func__);
- /* get the serial object associated with this tty pointer */
- serial = usb_serial_get_by_index(tty->index);
- if (!serial) {
- tty->driver_data = NULL;
- return -ENODEV;
- }
-
- portNumber = tty->index - serial->minor;
- port = serial->port[portNumber];
- if (!port || serial->disconnected)
- retval = -ENODEV;
- /*
- * Note: Our locking order requirement does not allow port->mutex
- * to be acquired while serial->disc_mutex is held.
- */
- mutex_unlock(&serial->disc_mutex);
- if (retval)
- goto bailout_serial_put;
+ port = tty->driver_data;
+ serial = port->serial;
- if (mutex_lock_interruptible(&port->mutex)) {
- retval = -ERESTARTSYS;
- goto bailout_serial_put;
- }
+ if (mutex_lock_interruptible(&port->mutex))
+ return -ERESTARTSYS;
++port->port.count;
-
- /* set up our port structure making the tty driver
- * remember our port object, and us it */
- tty->driver_data = port;
tty_port_tty_set(&port->port, tty);
/* If the console is attached, the device is already open */
if (port->port.count == 1 && !port->console) {
first = 1;
- /* lock this module before we call it
- * this may fail, which means we must bail out,
- * safe because we are called with BKL held */
- if (!try_module_get(serial->type->driver.owner)) {
- retval = -ENODEV;
- goto bailout_mutex_unlock;
- }
-
mutex_lock(&serial->disc_mutex);
- if (serial->disconnected)
- retval = -ENODEV;
- else
- retval = usb_autopm_get_interface(serial->interface);
- if (retval)
- goto bailout_module_put;
/* only call the device specific open if this
* is the first time the port is opened */
retval = serial->type->open(tty, port);
if (retval)
- goto bailout_interface_put;
+ goto bailout_module_put;
mutex_unlock(&serial->disc_mutex);
set_bit(ASYNCB_INITIALIZED, &port->port.flags);
}
@@ -297,18 +289,11 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
goto bailout_mutex_unlock;
/* Undo the initial port actions */
mutex_lock(&serial->disc_mutex);
-bailout_interface_put:
- usb_autopm_put_interface(serial->interface);
bailout_module_put:
mutex_unlock(&serial->disc_mutex);
- module_put(serial->type->driver.owner);
bailout_mutex_unlock:
port->port.count = 0;
- tty->driver_data = NULL;
- tty_port_tty_set(&port->port, NULL);
mutex_unlock(&port->mutex);
-bailout_serial_put:
- usb_serial_put(serial);
return retval;
}
@@ -355,9 +340,6 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
{
struct usb_serial_port *port = tty->driver_data;
- if (!port)
- return;
-
dbg("%s - port %d", __func__, port->number);
if (tty_port_close_start(&port->port, tty, filp) == 0)
@@ -365,7 +347,6 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
serial_do_down(port);
tty_port_close_end(&port->port, tty);
tty_port_tty_set(&port->port, NULL);
-
}
/**
@@ -386,9 +367,11 @@ static void serial_do_free(struct tty_struct *tty)
/* The console is magical. Do not hang up the console hardware
* or there will be tears.
*/
- if (port == NULL || port->console)
+ if (port->console)
return;
+ tty->driver_data = NULL;
+
serial = port->serial;
owner = serial->type->driver.owner;
--
GitLab
From 7e29bb4b779f4f35385e6f21994758845bf14d23 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 1 Sep 2009 11:39:22 -0400
Subject: [PATCH 720/742] usb-serial: fix termios initialization logic
This patch (as1288) fixes the initialization logic in
serial_install(). A new tty always needs to have a termios
initialized no matter what, not just in the case where the lower
driver will override the termios settings.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/usb-serial.c | 22 ++++++++++------------
1 file changed, 10 insertions(+), 12 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 7d207d91a6a8..1bc0a24b896b 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -210,22 +210,21 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
if (!try_module_get(serial->type->driver.owner))
goto error_module_get;
+ /* perform the standard setup */
+ retval = tty_init_termios(tty);
+ if (retval)
+ goto error_init_termios;
+
retval = usb_autopm_get_interface(serial->interface);
if (retval)
goto error_get_interface;
- /* If the termios setup has yet to be done */
- if (tty->driver->termios[idx] == NULL) {
- /* perform the standard setup */
- retval = tty_init_termios(tty);
- if (retval)
- goto error_init_termios;
- /* allow the driver to update it */
- if (serial->type->init_termios)
- serial->type->init_termios(tty);
- }
mutex_unlock(&serial->disc_mutex);
+ /* allow the driver to update the settings */
+ if (serial->type->init_termios)
+ serial->type->init_termios(tty);
+
tty->driver_data = port;
/* Final install (we use the default method) */
@@ -234,9 +233,8 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
driver->ttys[idx] = tty;
return retval;
- error_init_termios:
- usb_autopm_put_interface(serial->interface);
error_get_interface:
+ error_init_termios:
module_put(serial->type->driver.owner);
error_module_get:
error_no_port:
--
GitLab
From 74556123e034c8337b69a3ebac2f3a5fc0a97032 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 1 Sep 2009 11:39:40 -0400
Subject: [PATCH 721/742] usb-serial: rename subroutines
This patch (as1289) renames serial_do_down() to serial_down() and
serial_do_free() to serial_release(). It also adds a missing call to
tty_shutdown() in serial_release().
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/usb-serial.c | 19 +++++++++++--------
1 file changed, 11 insertions(+), 8 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 1bc0a24b896b..28125de7d902 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -191,7 +191,7 @@ void usb_serial_put(struct usb_serial *serial)
* This is the first place a new tty gets used. Hence this is where we
* acquire references to the usb_serial structure and the driver module,
* where we store a pointer to the port, and where we do an autoresume.
- * All these actions are reversed in serial_do_free().
+ * All these actions are reversed in serial_release().
*/
static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
{
@@ -296,13 +296,13 @@ bailout_mutex_unlock:
}
/**
- * serial_do_down - shut down hardware
+ * serial_down - shut down hardware
* @port: port to shut down
*
* Shut down a USB serial port unless it is the console. We never
* shut down the console hardware as it will always be in use.
*/
-static void serial_do_down(struct usb_serial_port *port)
+static void serial_down(struct usb_serial_port *port)
{
struct usb_serial_driver *drv = port->serial->type;
struct usb_serial *serial;
@@ -328,7 +328,7 @@ static void serial_do_down(struct usb_serial_port *port)
static void serial_hangup(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
- serial_do_down(port);
+ serial_down(port);
tty_port_hangup(&port->port);
/* We must not free port yet - the USB serial layer depends on it's
continued existence */
@@ -342,13 +342,13 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
if (tty_port_close_start(&port->port, tty, filp) == 0)
return;
- serial_do_down(port);
+ serial_down(port);
tty_port_close_end(&port->port, tty);
tty_port_tty_set(&port->port, NULL);
}
/**
- * serial_do_free - free resources post close/hangup
+ * serial_release - free resources post close/hangup
* @port: port to free up
*
* Do the resource freeing and refcount dropping for the port.
@@ -356,7 +356,7 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
*
* Called when the last tty kref is dropped.
*/
-static void serial_do_free(struct tty_struct *tty)
+static void serial_release(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct usb_serial *serial;
@@ -368,6 +368,9 @@ static void serial_do_free(struct tty_struct *tty)
if (port->console)
return;
+ /* Standard shutdown processing */
+ tty_shutdown(tty);
+
tty->driver_data = NULL;
serial = port->serial;
@@ -1204,7 +1207,7 @@ static const struct tty_operations serial_ops = {
.chars_in_buffer = serial_chars_in_buffer,
.tiocmget = serial_tiocmget,
.tiocmset = serial_tiocmset,
- .shutdown = serial_do_free,
+ .shutdown = serial_release,
.install = serial_install,
.proc_fops = &serial_proc_fops,
};
--
GitLab
From ff8324df1187b7280e507c976777df76c73a1ef1 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 1 Sep 2009 11:39:51 -0400
Subject: [PATCH 722/742] usb-serial: add missing tests and debug lines
This patch (as1290) adds some missing tests. serial_down() isn't
supposed to do anything if the hardware hasn't been initialized, and
serial_close() isn't supposed to do anything if the tty has gotten a
hangup (because serial_hangup() takes care of shutting down the
hardware).
The patch also updates and adds a few debugging lines.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/usb-serial.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 28125de7d902..9a3258046c8c 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -200,6 +200,8 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
struct usb_serial_port *port;
int retval = -ENODEV;
+ dbg("%s", __func__);
+
serial = usb_serial_get_by_index(idx);
if (!serial)
return retval;
@@ -250,11 +252,11 @@ static int serial_open (struct tty_struct *tty, struct file *filp)
int retval = 0;
int first = 0;
- dbg("%s", __func__);
-
port = tty->driver_data;
serial = port->serial;
+ dbg("%s - port %d", __func__, port->number);
+
if (mutex_lock_interruptible(&port->mutex))
return -ERESTARTSYS;
@@ -315,6 +317,12 @@ static void serial_down(struct usb_serial_port *port)
if (port->console)
return;
+ /* Don't call the close method if the hardware hasn't been
+ * initialized.
+ */
+ if (!test_and_clear_bit(ASYNCB_INITIALIZED, &port->port.flags))
+ return;
+
mutex_lock(&port->mutex);
serial = port->serial;
owner = serial->type->driver.owner;
@@ -328,10 +336,11 @@ static void serial_down(struct usb_serial_port *port)
static void serial_hangup(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
+
+ dbg("%s - port %d", __func__, port->number);
+
serial_down(port);
tty_port_hangup(&port->port);
- /* We must not free port yet - the USB serial layer depends on it's
- continued existence */
}
static void serial_close(struct tty_struct *tty, struct file *filp)
@@ -340,6 +349,8 @@ static void serial_close(struct tty_struct *tty, struct file *filp)
dbg("%s - port %d", __func__, port->number);
+ if (tty_hung_up_p(filp))
+ return;
if (tty_port_close_start(&port->port, tty, filp) == 0)
return;
serial_down(port);
@@ -368,6 +379,8 @@ static void serial_release(struct tty_struct *tty)
if (port->console)
return;
+ dbg("%s - port %d", __func__, port->number);
+
/* Standard shutdown processing */
tty_shutdown(tty);
--
GitLab
From 320348c8d5c9b591282633ddb8959b42f7fc7a1c Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 1 Sep 2009 11:39:59 -0400
Subject: [PATCH 723/742] usb-serial: straighten out serial_open
This patch (as1291) removes a bunch of code from serial_open(), things
that were rendered unnecessary by earlier patches. A missing spinlock
is added to protect port->port.count, which needs to be incremented
even if the open fails but not if the tty has gotten a hangup. The
test for whether the hardware has been initialized, based on the use
count, is replaced by a more transparent test of the
ASYNCB_INITIALIZED bit in the port flags.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/usb-serial.c | 59 ++++++++++++---------------------
1 file changed, 22 insertions(+), 37 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 9a3258046c8c..9d7ca4868d37 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -245,55 +245,40 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty)
return retval;
}
-static int serial_open (struct tty_struct *tty, struct file *filp)
+static int serial_open(struct tty_struct *tty, struct file *filp)
{
- struct usb_serial *serial;
- struct usb_serial_port *port;
- int retval = 0;
- int first = 0;
-
- port = tty->driver_data;
- serial = port->serial;
+ struct usb_serial_port *port = tty->driver_data;
+ struct usb_serial *serial = port->serial;
+ int retval;
dbg("%s - port %d", __func__, port->number);
- if (mutex_lock_interruptible(&port->mutex))
- return -ERESTARTSYS;
-
- ++port->port.count;
+ spin_lock_irq(&port->port.lock);
+ if (!tty_hung_up_p(filp))
+ ++port->port.count;
+ spin_unlock_irq(&port->port.lock);
tty_port_tty_set(&port->port, tty);
- /* If the console is attached, the device is already open */
- if (port->port.count == 1 && !port->console) {
- first = 1;
+ /* Do the device-specific open only if the hardware isn't
+ * already initialized.
+ */
+ if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) {
+ if (mutex_lock_interruptible(&port->mutex))
+ return -ERESTARTSYS;
mutex_lock(&serial->disc_mutex);
-
- /* only call the device specific open if this
- * is the first time the port is opened */
- retval = serial->type->open(tty, port);
- if (retval)
- goto bailout_module_put;
+ if (serial->disconnected)
+ retval = -ENODEV;
+ else
+ retval = port->serial->type->open(tty, port);
mutex_unlock(&serial->disc_mutex);
+ mutex_unlock(&port->mutex);
+ if (retval)
+ return retval;
set_bit(ASYNCB_INITIALIZED, &port->port.flags);
}
- mutex_unlock(&port->mutex);
+
/* Now do the correct tty layer semantics */
retval = tty_port_block_til_ready(&port->port, tty, filp);
- if (retval == 0) {
- if (!first)
- usb_serial_put(serial);
- return 0;
- }
- mutex_lock(&port->mutex);
- if (first == 0)
- goto bailout_mutex_unlock;
- /* Undo the initial port actions */
- mutex_lock(&serial->disc_mutex);
-bailout_module_put:
- mutex_unlock(&serial->disc_mutex);
-bailout_mutex_unlock:
- port->port.count = 0;
- mutex_unlock(&port->mutex);
return retval;
}
--
GitLab
From 7bd032dc2793afcbaf4a350056768da84cdbd89b Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 4 Sep 2009 15:29:59 -0400
Subject: [PATCH 724/742] USB serial: update the console driver
This patch (as1292) modifies the USB serial console driver, to make it
compatible with the recent changes to the USB serial core. The most
important change is that serial->disc_mutex now has to be unlocked
following a successful call to usb_serial_get_by_index().
Other less notable changes include:
Use the requested port number instead of port 0 always.
Prevent the serial device from being autosuspended.
Use the ASYNCB_INITIALIZED flag bit to indicate when the
port hardware has been initialized.
In spite of these changes, there's no question that the USB serial
console code is still a big hack.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/serial/console.c | 28 +++++++++++++++++++---------
1 file changed, 19 insertions(+), 9 deletions(-)
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index be086e4c76b6..b22ac3258523 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -16,6 +16,7 @@
#include <linux/slab.h>
#include <linux/tty.h>
#include <linux/console.h>
+#include <linux/serial.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
@@ -63,7 +64,7 @@ static int usb_console_setup(struct console *co, char *options)
char *s;
struct usb_serial *serial;
struct usb_serial_port *port;
- int retval = 0;
+ int retval;
struct tty_struct *tty = NULL;
struct ktermios *termios = NULL, dummy;
@@ -116,13 +117,17 @@ static int usb_console_setup(struct console *co, char *options)
return -ENODEV;
}
- port = serial->port[0];
+ retval = usb_autopm_get_interface(serial->interface);
+ if (retval)
+ goto error_get_interface;
+
+ port = serial->port[co->index - serial->minor];
tty_port_tty_set(&port->port, NULL);
info->port = port;
++port->port.count;
- if (port->port.count == 1) {
+ if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) {
if (serial->type->set_termios) {
/*
* allocate a fake tty so the driver can initialize
@@ -168,6 +173,7 @@ static int usb_console_setup(struct console *co, char *options)
kfree(termios);
kfree(tty);
}
+ set_bit(ASYNCB_INITIALIZED, &port->port.flags);
}
/* Now that any required fake tty operations are completed restore
* the tty port count */
@@ -175,18 +181,22 @@ static int usb_console_setup(struct console *co, char *options)
/* The console is special in terms of closing the device so
* indicate this port is now acting as a system console. */
port->console = 1;
- retval = 0;
-out:
+ mutex_unlock(&serial->disc_mutex);
return retval;
-free_termios:
+
+ free_termios:
kfree(termios);
tty_port_tty_set(&port->port, NULL);
-free_tty:
+ free_tty:
kfree(tty);
-reset_open_count:
+ reset_open_count:
port->port.count = 0;
- goto out;
+ usb_autopm_put_interface(serial->interface);
+ error_get_interface:
+ usb_serial_put(serial);
+ mutex_unlock(&serial->disc_mutex);
+ return retval;
}
static void usb_console_write(struct console *co,
--
GitLab
From b0999cc55bd49e315ec82d2fb770a0d9ef7cbed8 Mon Sep 17 00:00:00 2001
From: Mikael Pettersson <mikpe@it.uu.se>
Date: Mon, 7 Sep 2009 12:00:13 +0200
Subject: [PATCH 725/742] i2c-mv64xxx: correct mv64xxx_i2c_intr() return type
The mv64xxx_i2c_intr() irq handler in drivers/i2c/busses/i2c-mv64xxx.c
is declared as returning 'int', resulting in this compile-time warning:
drivers/i2c/busses/i2c-mv64xxx.c: In function 'mv64xxx_i2c_probe':
drivers/i2c/busses/i2c-mv64xxx.c:540: warning: passing argument 2 of 'request_irq' from incompatible pointer type
Fix: correct the return type to 'irqreturn_t'.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
drivers/i2c/busses/i2c-mv64xxx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index c3869d94ad42..bbab0e166630 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -293,13 +293,13 @@ mv64xxx_i2c_do_action(struct mv64xxx_i2c_data *drv_data)
}
}
-static int
+static irqreturn_t
mv64xxx_i2c_intr(int irq, void *dev_id)
{
struct mv64xxx_i2c_data *drv_data = dev_id;
unsigned long flags;
u32 status;
- int rc = IRQ_NONE;
+ irqreturn_t rc = IRQ_NONE;
spin_lock_irqsave(&drv_data->lock, flags);
while (readl(drv_data->reg_base + MV64XXX_I2C_REG_CONTROL) &
--
GitLab
From 5d3f33318a6c1f79f89e3dd2c7ddc11e0da14895 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Sat, 19 Sep 2009 09:09:50 +0200
Subject: [PATCH 726/742] [PATCH] i2c-imx: make bus available early
As I2C is used by PMICs also, make the busses available early via
subsys_initcall().
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
drivers/i2c/busses/i2c-imx.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 0b486a63460d..4afba3ec2a61 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -609,13 +609,12 @@ static int __init i2c_adap_imx_init(void)
{
return platform_driver_probe(&i2c_imx_driver, i2c_imx_probe);
}
+subsys_initcall(i2c_adap_imx_init);
static void __exit i2c_adap_imx_exit(void)
{
platform_driver_unregister(&i2c_imx_driver);
}
-
-module_init(i2c_adap_imx_init);
module_exit(i2c_adap_imx_exit);
MODULE_LICENSE("GPL");
--
GitLab
From 4765d681a4dccdc6ded7dd20329f5498aa53b0d0 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 14:38:09 +0530
Subject: [PATCH 727/742] includecheck fix: s390, sys_s390.c
fix the following 'make includecheck' warning:
arch/s390/kernel/sys_s390.c: linux/syscalls.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: schwidefsky@de.ibm.com
Cc: heiko.carstens@de.ibm.com
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247068809.4382.111.camel@ht.satnam>
---
arch/s390/kernel/sys_s390.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index c7ae4b17e0e3..e9d94f61d500 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -29,7 +29,6 @@
#include <linux/personality.h>
#include <linux/unistd.h>
#include <linux/ipc.h>
-#include <linux/syscalls.h>
#include <asm/uaccess.h>
#include "entry.h"
--
GitLab
From edf382bc6d4429d796fc3b26f7a33eaeca9db8ec Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 14:41:40 +0530
Subject: [PATCH 728/742] includecheck fix: um, helper.c
fix the following 'make includecheck' warning:
arch/um/os-Linux/helper.c: linux/limits.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: jdike@addtoit.com
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247064950.4382.45.camel@ht.satnam>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
---
arch/um/os-Linux/helper.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index 30860b89ec58..b6b1096152aa 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -15,7 +15,6 @@
#include "os.h"
#include "um_malloc.h"
#include "user.h"
-#include <linux/limits.h>
struct helper_data {
void (*pre_exec)(void*);
--
GitLab
From 144374dcc3ad0436f0a1bb3095836cf0ec32eebe Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 15:09:26 +0530
Subject: [PATCH 729/742] includecheck fix: x86, traps.c
fix the following 'make includecheck' warning:
arch/x86/kernel/traps.c: asm/traps.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247065094.4382.49.camel@ht.satnam>
---
arch/x86/kernel/traps.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 7dc0de9d1ed9..9346e102338d 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -65,7 +65,6 @@
#else
#include <asm/processor-flags.h>
#include <asm/setup.h>
-#include <asm/traps.h>
asmlinkage int system_call(void);
--
GitLab
From fcf989216138858003f0c354698260f29e6e10b0 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 15:13:18 +0530
Subject: [PATCH 730/742] includecheck fix: x86, shadow.c
fix the following 'make includecheck' warning:
arch/x86/mm/kmemcheck/shadow.c: linux/module.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247065179.4382.51.camel@ht.satnam>
---
arch/x86/mm/kmemcheck/shadow.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/x86/mm/kmemcheck/shadow.c b/arch/x86/mm/kmemcheck/shadow.c
index e773b6bd0079..3f66b82076a3 100644
--- a/arch/x86/mm/kmemcheck/shadow.c
+++ b/arch/x86/mm/kmemcheck/shadow.c
@@ -1,7 +1,6 @@
#include <linux/kmemcheck.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/module.h>
#include <asm/page.h>
#include <asm/pgtable.h>
--
GitLab
From 39558c8f8e4c48805e702340e1610961d922268a Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 15:20:55 +0530
Subject: [PATCH 731/742] includecheck fix: drivers/scsi, libfcoe.c
fix the following 'make includecheck' warning:
drivers/scsi/fcoe/libfcoe.c: linux/netdevice.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247066936.4382.76.camel@ht.satnam>
---
drivers/scsi/fcoe/libfcoe.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 62a4c2026072..11ae5c94608b 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -29,7 +29,6 @@
#include <linux/ethtool.h>
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
-#include <linux/netdevice.h>
#include <linux/errno.h>
#include <linux/bitops.h>
#include <net/rtnetlink.h>
--
GitLab
From 98840f2ce5339d46e1830b0455360ad03a840d9d Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 15:23:00 +0530
Subject: [PATCH 732/742] includecheck fix: drivers/scsi, ibmvscsi.c
fix the following 'make includecheck' warning:
drivers/scsi/ibmvscsi/ibmvscsi.c: asm/firmware.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247067016.4382.78.camel@ht.satnam>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 9928704e235f..d9b0e9d31983 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -73,7 +73,6 @@
#include <linux/of.h>
#include <asm/firmware.h>
#include <asm/vio.h>
-#include <asm/firmware.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
--
GitLab
From 6d6c971778c5257fc815e1ebe01779fefda6293c Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 15:28:01 +0530
Subject: [PATCH 733/742] includecheck fix: drivers/video, vgacon.c
fix the following 'make includecheck' warning:
drivers/video/console/vgacon.c: linux/slab.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Martin Mares <mj@ucw.cz>
Cc: mchehab@infradead.org
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247067624.4382.88.camel@ht.satnam>
---
drivers/video/console/vgacon.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 59d7d5ec17a4..74e96cf83b7e 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -180,7 +180,6 @@ static inline void vga_set_mem_top(struct vc_data *c)
}
#ifdef CONFIG_VGACON_SOFT_SCROLLBACK
-#include <linux/slab.h>
/* software scrollback */
static void *vgacon_scrollback;
static int vgacon_scrollback_tail;
--
GitLab
From 56327c2a58b76291616f15c9c84a180cf7049645 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 15:41:10 +0530
Subject: [PATCH 734/742] includecheck fix: drivers/xen, evtchn.c
fix the following 'make includecheck' warning:
drivers/xen/evtchn.c: linux/errno.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: chrisw@sous-sol.org
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247067749.4382.90.camel@ht.satnam>
Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
---
drivers/xen/evtchn.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
index af031950f9b1..79bedba44fee 100644
--- a/drivers/xen/evtchn.c
+++ b/drivers/xen/evtchn.c
@@ -38,7 +38,6 @@
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/fs.h>
-#include <linux/errno.h>
#include <linux/miscdevice.h>
#include <linux/major.h>
#include <linux/proc_fs.h>
--
GitLab
From b21495a03e20514eacd788a6b5d160667177cd94 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 15:48:42 +0530
Subject: [PATCH 735/742] includecheck fix: include/acpi, acpi_bus.h
fix the following 'make includecheck' warning:
include/acpi/acpi_bus.h: linux/device.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247068058.4382.96.camel@ht.satnam>
Acked-by: Len Brown <len.brown@intel.com>
---
include/acpi/acpi_bus.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 1fa3ffb7c93b..1b3b36068ca5 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -356,7 +356,6 @@ void acpi_remove_dir(struct acpi_device *);
/*
* Bind physical devices with ACPI devices
*/
-#include <linux/device.h>
struct acpi_bus_type {
struct list_head list;
struct bus_type *bus;
--
GitLab
From 067006a5f5b956fbdd183f9b799e7b8059b53f6c Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 15:53:25 +0530
Subject: [PATCH 736/742] includecheck fix: include/drm, drm_memory.h
fix the following 'make includecheck' warning:
include/drm/drm_memory.h: linux/vmalloc.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247068169.4382.99.camel@ht.satnam>
Acked-by: Dave Airlie <airlied@redhat.com>
---
include/drm/drm_memory.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/include/drm/drm_memory.h b/include/drm/drm_memory.h
index 63e425b5ea82..15af9b32ae42 100644
--- a/include/drm/drm_memory.h
+++ b/include/drm/drm_memory.h
@@ -44,8 +44,6 @@
#if __OS_HAS_AGP
-#include <linux/vmalloc.h>
-
#ifdef HAVE_PAGE_AGP
#include <asm/agp.h>
#else
--
GitLab
From 43cc960980760f58d1f49ecd39e8cbfb063d63e1 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 16:09:20 +0530
Subject: [PATCH 737/742] includecheck fix: include/linux, aio.h
fix the following 'make includecheck' warning:
include/linux/aio.h: linux/aio_abi.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: bcrl@kvack.org
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247068254.4382.101.camel@ht.satnam>
---
include/linux/aio.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/include/linux/aio.h b/include/linux/aio.h
index 47f7d932a01d..aea219d7d8d1 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -225,8 +225,6 @@ static inline void exit_aio(struct mm_struct *mm) { }
#define io_wait_to_kiocb(wait) container_of(wait, struct kiocb, ki_wait)
-#include <linux/aio_abi.h>
-
static inline struct kiocb *list_kiocb(struct list_head *h)
{
return list_entry(h, struct kiocb, ki_list);
--
GitLab
From 97572751d78133cf9a5f7165b252bf975f9dd17d Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 16:20:44 +0530
Subject: [PATCH 738/742] includecheck fix: include/linux, page_cgroup.h
fix the following 'make includecheck' warning:
include/linux/page_cgroup.h: linux/swap.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
---
include/linux/page_cgroup.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index 13f126c89ae8..ada779f24178 100644
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -105,14 +105,14 @@ static inline void __init page_cgroup_init_flatmem(void)
#endif
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
#include <linux/swap.h>
+
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id);
extern unsigned short lookup_swap_cgroup(swp_entry_t ent);
extern int swap_cgroup_swapon(int type, unsigned long max_pages);
extern void swap_cgroup_swapoff(int type);
#else
-#include <linux/swap.h>
static inline
unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id)
--
GitLab
From 83ba7c34d2b82dc608647f629616df393ab883f9 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 16:24:00 +0530
Subject: [PATCH 739/742] includecheck fix: include/linux, ftrace.h
fix the following 'make includecheck' warning:
include/linux/ftrace.h: linux/sched.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247068321.4382.102.camel@ht.satnam>
---
include/linux/ftrace.h | 1 -
1 file changed, 1 deletion(-)
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index dc3b1328aaeb..3c0924a18daf 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -446,7 +446,6 @@ static inline void unpause_graph_tracing(void) { }
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
#ifdef CONFIG_TRACING
-#include <linux/sched.h>
/* flags for current->trace */
enum {
--
GitLab
From a0f320f48799f67329fcb1b26ff0451c304e1dde Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 16:31:16 +0530
Subject: [PATCH 740/742] includecheck fix: kernel/trace, ring_buffer.c
fix the following 'make includecheck' warning:
kernel/trace/ring_buffer.c: trace.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <1247068617.4382.107.camel@ht.satnam>
---
kernel/trace/ring_buffer.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 6eef38923b07..d4ff01970547 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -201,8 +201,6 @@ int tracing_is_on(void)
}
EXPORT_SYMBOL_GPL(tracing_is_on);
-#include "trace.h"
-
#define RB_EVNT_HDR_SIZE (offsetof(struct ring_buffer_event, array))
#define RB_ALIGNMENT 4U
#define RB_MAX_SMALL_DATA (RB_ALIGNMENT * RINGBUF_TYPE_DATA_TYPE_LEN_MAX)
--
GitLab
From 5ac7687860dbfd3dd90e09d2c10dd31de91f20c2 Mon Sep 17 00:00:00 2001
From: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Date: Sun, 20 Sep 2009 16:34:24 +0530
Subject: [PATCH 741/742] includecheck fix: x86, cpu/common.c
fix the following 'make includecheck' warning:
arch/x86/kernel/cpu/common.c: linux/smp.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <1252087783.6385.10.camel@ht.satnam>
---
arch/x86/kernel/cpu/common.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 2055fc2b2e6b..2fea97eccf77 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -34,7 +34,6 @@
#include <asm/mce.h>
#include <asm/msr.h>
#include <asm/pat.h>
-#include <linux/smp.h>
#ifdef CONFIG_X86_LOCAL_APIC
#include <asm/uv/uv.h>
--
GitLab
From dcbb5593d980bbf4ceef320f8c75210398ed84db Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 20 Sep 2009 15:57:28 -0700
Subject: [PATCH 742/742] loongson: fix cut-and-paste mis-merge
Ingo points out that I screwed up when merging the 'timers-for-linus'
branch in commit a03fdb7612874834d6847107198712d18b5242c7.
A bit too much copy-and-pasting caused the end result to have an
extraneous 'return' in the middle of an expression. That was obviously
bogus. Blush.
Reported-by-with-patch: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/mips/loongson/common/time.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/mips/loongson/common/time.c b/arch/mips/loongson/common/time.c
index 0edbef32b862..6e08c8270abe 100644
--- a/arch/mips/loongson/common/time.c
+++ b/arch/mips/loongson/common/time.c
@@ -23,6 +23,6 @@ void __init plat_time_init(void)
void read_persistent_clock(struct timespec *ts)
{
- ts->tv_sec = return mc146818_get_cmos_time();
+ ts->tv_sec = mc146818_get_cmos_time();
ts->tv_nsec = 0;
}
--
GitLab