Kconfig 64.8 KB
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config ARM
	bool
	default y
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	select ARCH_HAVE_CUSTOM_GPIO_H
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	select HAVE_AOUT
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	select HAVE_DMA_API_DEBUG
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	select HAVE_IDE if PCI || ISA || PCMCIA
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	select HAVE_DMA_ATTRS
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	select HAVE_DMA_CONTIGUOUS if (CPU_V6 || CPU_V6K || CPU_V7)
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	select HAVE_MEMBLOCK
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	select RTC_LIB
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	select SYS_SUPPORTS_APM_EMULATION
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	select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI)
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	select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
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	select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
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	select HAVE_ARCH_KGDB
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	select HAVE_ARCH_TRACEHOOK
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	select HAVE_KPROBES if !XIP_KERNEL
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	select HAVE_KRETPROBES if (HAVE_KPROBES)
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	select HAVE_FUNCTION_TRACER if (!XIP_KERNEL)
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	select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
	select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL)
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	select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL)
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	select ARCH_BINFMT_ELF_RANDOMIZE_PIE
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	select HAVE_GENERIC_DMA_COHERENT
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	select HAVE_KERNEL_GZIP
	select HAVE_KERNEL_LZO
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	select HAVE_KERNEL_LZMA
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	select HAVE_KERNEL_XZ
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	select HAVE_IRQ_WORK
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	select HAVE_PERF_EVENTS
	select PERF_USE_VMALLOC
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	select HAVE_REGS_AND_STACK_ACCESS_API
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	select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7))
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	select HAVE_C_RECORDMCOUNT
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	select HAVE_GENERIC_HARDIRQS
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	select HARDIRQS_SW_RESEND
	select GENERIC_IRQ_PROBE
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	select GENERIC_IRQ_SHOW
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	select GENERIC_IRQ_PROBE
	select HARDIRQS_SW_RESEND
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	select CPU_PM if (SUSPEND || CPU_IDLE)
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	select GENERIC_PCI_IOMAP
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	select HAVE_BPF_JIT
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	select GENERIC_SMP_IDLE_THREAD
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	select KTIME_SCALAR
	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
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	help
	  The ARM series is a line of low-power-consumption RISC chip designs
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	  licensed by ARM Ltd and targeted at embedded applications and
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	  handhelds such as the Compaq IPAQ.  ARM-based PCs are no longer
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	  manufactured, but legacy ARM-based PC hardware remains popular in
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	  Europe.  There is an ARM Linux project with a web page at
	  <http://www.arm.linux.org.uk/>.

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config ARM_HAS_SG_CHAIN
	bool

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config NEED_SG_DMA_LENGTH
	bool

config ARM_DMA_USE_IOMMU
	select NEED_SG_DMA_LENGTH
	select ARM_HAS_SG_CHAIN
	bool

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config HAVE_PWM
	bool

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config MIGHT_HAVE_PCI
	bool

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config SYS_SUPPORTS_APM_EMULATION
	bool

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config GENERIC_GPIO
	bool

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config HAVE_TCM
	bool
	select GENERIC_ALLOCATOR

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config HAVE_PROC_CPU
	bool

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config NO_IOPORT
	bool

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config EISA
	bool
	---help---
	  The Extended Industry Standard Architecture (EISA) bus was
	  developed as an open alternative to the IBM MicroChannel bus.

	  The EISA bus provided some of the features of the IBM MicroChannel
	  bus while maintaining backward compatibility with cards made for
	  the older ISA bus.  The EISA bus saw limited use between 1988 and
	  1995 when it was made obsolete by the PCI bus.

	  Say Y here if you are building a kernel for an EISA-based machine.

	  Otherwise, say N.

config SBUS
	bool

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config STACKTRACE_SUPPORT
	bool
	default y

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config HAVE_LATENCYTOP_SUPPORT
	bool
	depends on !SMP
	default y

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config LOCKDEP_SUPPORT
	bool
	default y

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config TRACE_IRQFLAGS_SUPPORT
	bool
	default y

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config GENERIC_LOCKBREAK
	bool
	default y
	depends on SMP && PREEMPT

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config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool

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config ARCH_HAS_ILOG2_U32
	bool

config ARCH_HAS_ILOG2_U64
	bool

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config ARCH_HAS_CPUFREQ
	bool
	help
	  Internal node to signify that the ARCH has CPUFREQ support
	  and that the relevant menu configurations are displayed for
	  it.

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config GENERIC_HWEIGHT
	bool
	default y

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config GENERIC_CALIBRATE_DELAY
	bool
	default y

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config ARCH_MAY_HAVE_PC_FDC
	bool

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config ZONE_DMA
	bool

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config NEED_DMA_MAP_STATE
       def_bool y

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config ARCH_HAS_DMA_SET_COHERENT_MASK
	bool

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config GENERIC_ISA_DMA
	bool

config FIQ
	bool

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config NEED_RET_TO_USER
	bool

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config ARCH_MTD_XIP
	bool

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config VECTORS_BASE
	hex
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	default 0xffff0000 if MMU || CPU_HIGH_VECTOR
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	default DRAM_BASE if REMAP_VECTORS_TO_RAM
	default 0x00000000
	help
	  The base address of exception vectors.

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config ARM_PATCH_PHYS_VIRT
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	bool "Patch physical to virtual translations at runtime" if EMBEDDED
	default y
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	depends on !XIP_KERNEL && MMU
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	depends on !ARCH_REALVIEW || !SPARSEMEM
	help
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	  Patch phys-to-virt and virt-to-phys translation functions at
	  boot and module load time according to the position of the
	  kernel in system memory.
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	  This can only be used with non-XIP MMU kernels where the base
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	  of physical memory is at a 16MB boundary.
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	  Only disable this option if you know that you do not require
	  this feature (eg, building a kernel for a single machine) and
	  you need to shrink the kernel to the minimal size.
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config NEED_MACH_IO_H
	bool
	help
	  Select this when mach/io.h is required to provide special
	  definitions for this platform.  The need for mach/io.h should
	  be avoided when possible.

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config NEED_MACH_MEMORY_H
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	bool
	help
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	  Select this when mach/memory.h is required to provide special
	  definitions for this platform.  The need for mach/memory.h should
	  be avoided when possible.
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config PHYS_OFFSET
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	hex "Physical address of main memory" if MMU
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	depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H
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	default DRAM_BASE if !MMU
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	help
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	  Please provide the physical address corresponding to the
	  location of main memory in your system.
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config GENERIC_BUG
	def_bool y
	depends on BUG

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source "init/Kconfig"

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source "kernel/Kconfig.freezer"

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menu "System Type"

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config MMU
	bool "MMU-based Paged Memory Management Support"
	default y
	help
	  Select if you want MMU-based virtualised addressing space
	  support by paged memory management. If unsure, say 'Y'.

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#
# The "ARM system type" choice list is ordered alphabetically by option
# text.  Please add new entries in the option alphabetic order.
#
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choice
	prompt "ARM system type"
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	default ARCH_VERSATILE
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config ARCH_INTEGRATOR
	bool "ARM Ltd. Integrator family"
	select ARM_AMBA
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	select ARCH_HAS_CPUFREQ
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	select CLKDEV_LOOKUP
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	select HAVE_MACH_CLKDEV
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	select HAVE_TCM
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	select ICST
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	select GENERIC_CLOCKEVENTS
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	select PLAT_VERSATILE
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	select PLAT_VERSATILE_FPGA_IRQ
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	select NEED_MACH_IO_H
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	select NEED_MACH_MEMORY_H
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	select SPARSE_IRQ
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	select MULTI_IRQ_HANDLER
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	help
	  Support for ARM's Integrator platform.

config ARCH_REALVIEW
	bool "ARM Ltd. RealView family"
	select ARM_AMBA
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	select CLKDEV_LOOKUP
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	select HAVE_MACH_CLKDEV
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	select ICST
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	select GENERIC_CLOCKEVENTS
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	select ARCH_WANT_OPTIONAL_GPIOLIB
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	select PLAT_VERSATILE
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	select PLAT_VERSATILE_CLCD
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	select ARM_TIMER_SP804
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	select GPIO_PL061 if GPIOLIB
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	select NEED_MACH_MEMORY_H
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	help
	  This enables support for ARM Ltd RealView boards.

config ARCH_VERSATILE
	bool "ARM Ltd. Versatile family"
	select ARM_AMBA
	select ARM_VIC
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	select CLKDEV_LOOKUP
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	select HAVE_MACH_CLKDEV
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	select ICST
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	select GENERIC_CLOCKEVENTS
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	select ARCH_WANT_OPTIONAL_GPIOLIB
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	select NEED_MACH_IO_H if PCI
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	select PLAT_VERSATILE
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	select PLAT_VERSATILE_CLCD
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	select PLAT_VERSATILE_FPGA_IRQ
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	select ARM_TIMER_SP804
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	help
	  This enables support for ARM Ltd Versatile board.

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config ARCH_VEXPRESS
	bool "ARM Ltd. Versatile Express family"
	select ARCH_WANT_OPTIONAL_GPIOLIB
	select ARM_AMBA
	select ARM_TIMER_SP804
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	select CLKDEV_LOOKUP
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	select HAVE_MACH_CLKDEV
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	select GENERIC_CLOCKEVENTS
	select HAVE_CLK
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	select HAVE_PATA_PLATFORM
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	select ICST
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	select NO_IOPORT
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	select PLAT_VERSATILE
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	select PLAT_VERSATILE_CLCD
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	help
	  This enables support for the ARM Ltd Versatile Express boards.

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config ARCH_AT91
	bool "Atmel AT91"
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	select ARCH_REQUIRE_GPIOLIB
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	select HAVE_CLK
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	select CLKDEV_LOOKUP
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	select IRQ_DOMAIN
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	select NEED_MACH_IO_H if PCCARD
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	help
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	  This enables support for systems based on Atmel
	  AT91RM9200 and AT91SAM9* processors.
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config ARCH_BCMRING
	bool "Broadcom BCMRING"
	depends on MMU
	select CPU_V6
	select ARM_AMBA
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	select ARM_TIMER_SP804
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	select CLKDEV_LOOKUP
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	select GENERIC_CLOCKEVENTS
	select ARCH_WANT_OPTIONAL_GPIOLIB
	help
	  Support for Broadcom's BCMRing platform.

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config ARCH_HIGHBANK
	bool "Calxeda Highbank-based"
	select ARCH_WANT_OPTIONAL_GPIOLIB
	select ARM_AMBA
	select ARM_GIC
	select ARM_TIMER_SP804
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	select CACHE_L2X0
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	select CLKDEV_LOOKUP
	select CPU_V7
	select GENERIC_CLOCKEVENTS
	select HAVE_ARM_SCU
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	select HAVE_SMP
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	select SPARSE_IRQ
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	select USE_OF
	help
	  Support for the Calxeda Highbank SoC based boards.

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config ARCH_CLPS711X
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	bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
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	select CPU_ARM720T
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	select ARCH_USES_GETTIMEOFFSET
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	select NEED_MACH_MEMORY_H
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	help
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	  Support for Cirrus Logic 711x/721x/731x based boards.
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config ARCH_CNS3XXX
	bool "Cavium Networks CNS3XXX family"
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	select CPU_V6K
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	select GENERIC_CLOCKEVENTS
	select ARM_GIC
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	select MIGHT_HAVE_CACHE_L2X0
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	select MIGHT_HAVE_PCI
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	select PCI_DOMAINS if PCI
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	help
	  Support for Cavium Networks CNS3XXX platform.

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config ARCH_GEMINI
	bool "Cortina Systems Gemini"
	select CPU_FA526
	select ARCH_REQUIRE_GPIOLIB
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	select ARCH_USES_GETTIMEOFFSET
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	help
	  Support for the Cortina Systems Gemini family SoCs

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config ARCH_PRIMA2
	bool "CSR SiRFSoC PRIMA2 ARM Cortex A9 Platform"
	select CPU_V7
	select NO_IOPORT
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	select ARCH_WANT_OPTIONAL_GPIOLIB
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	select GENERIC_CLOCKEVENTS
	select CLKDEV_LOOKUP
	select GENERIC_IRQ_CHIP
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	select MIGHT_HAVE_CACHE_L2X0
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	select PINCTRL
	select PINCTRL_SIRF
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	select USE_OF
	select ZONE_DMA
	help
          Support for CSR SiRFSoC ARM Cortex A9 Platform

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config ARCH_EBSA110
	bool "EBSA-110"
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	select CPU_SA110
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	select ISA
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	select NO_IOPORT
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	select ARCH_USES_GETTIMEOFFSET
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	select NEED_MACH_IO_H
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	select NEED_MACH_MEMORY_H
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	help
	  This is an evaluation board for the StrongARM processor available
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	  from Digital. It has limited hardware on-board, including an
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	  Ethernet interface, two PCMCIA sockets, two serial ports and a
	  parallel port.

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config ARCH_EP93XX
	bool "EP93xx-based"
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	select CPU_ARM920T
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	select ARM_AMBA
	select ARM_VIC
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	select CLKDEV_LOOKUP
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	select ARCH_REQUIRE_GPIOLIB
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	select ARCH_HAS_HOLES_MEMORYMODEL
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	select ARCH_USES_GETTIMEOFFSET
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	select NEED_MACH_MEMORY_H
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	help
	  This enables support for the Cirrus EP93xx series of CPUs.

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config ARCH_FOOTBRIDGE
	bool "FootBridge"
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	select CPU_SA110
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	select FOOTBRIDGE
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	select GENERIC_CLOCKEVENTS
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	select HAVE_IDE
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	select NEED_MACH_IO_H
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	select NEED_MACH_MEMORY_H
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	help
	  Support for systems based on the DC21285 companion chip
	  ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
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config ARCH_MXC
	bool "Freescale MXC/iMX-based"
	select GENERIC_CLOCKEVENTS
	select ARCH_REQUIRE_GPIOLIB
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	select CLKDEV_LOOKUP
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	select CLKSRC_MMIO
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	select GENERIC_IRQ_CHIP
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	select MULTI_IRQ_HANDLER
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	help
	  Support for Freescale MXC/iMX-based family of processors

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config ARCH_MXS
	bool "Freescale MXS-based"
	select GENERIC_CLOCKEVENTS
	select ARCH_REQUIRE_GPIOLIB
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	select CLKDEV_LOOKUP
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	select CLKSRC_MMIO
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	select COMMON_CLK
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	select HAVE_CLK_PREPARE
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	select PINCTRL
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	select USE_OF
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	help
	  Support for Freescale MXS-based family of processors

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config ARCH_NETX
	bool "Hilscher NetX based"
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	select CLKSRC_MMIO
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	select CPU_ARM926T
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	select ARM_VIC
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	select GENERIC_CLOCKEVENTS
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	help
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	  This enables support for systems based on the Hilscher NetX Soc

config ARCH_H720X
	bool "Hynix HMS720x-based"
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	select CPU_ARM720T
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	select ISA_DMA_API
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	select ARCH_USES_GETTIMEOFFSET
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	help
	  This enables support for systems based on the Hynix HMS720x

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config ARCH_IOP13XX
	bool "IOP13xx-based"
	depends on MMU
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	select CPU_XSC3
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	select PLAT_IOP
	select PCI
	select ARCH_SUPPORTS_MSI
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	select VMSPLIT_1G
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	select NEED_MACH_IO_H
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	select NEED_MACH_MEMORY_H
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	select NEED_RET_TO_USER
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	help
	  Support for Intel's IOP13XX (XScale) family of processors.

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config ARCH_IOP32X
	bool "IOP32x-based"
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	depends on MMU
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	select CPU_XSCALE
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	select NEED_MACH_IO_H
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	select NEED_RET_TO_USER
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	select PLAT_IOP
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	select PCI
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	select ARCH_REQUIRE_GPIOLIB
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	help
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	  Support for Intel's 80219 and IOP32X (XScale) family of
	  processors.

config ARCH_IOP33X
	bool "IOP33x-based"
	depends on MMU
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	select CPU_XSCALE
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	select NEED_MACH_IO_H
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	select NEED_RET_TO_USER
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	select PLAT_IOP
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	select PCI
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	select ARCH_REQUIRE_GPIOLIB
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	help
	  Support for Intel's IOP33X (XScale) family of processors.
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config ARCH_IXP4XX
	bool "IXP4xx-based"
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	depends on MMU
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	select ARCH_HAS_DMA_SET_COHERENT_MASK
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	select CLKSRC_MMIO
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	select CPU_XSCALE
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	select ARCH_REQUIRE_GPIOLIB
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	select GENERIC_CLOCKEVENTS
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	select MIGHT_HAVE_PCI
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	select NEED_MACH_IO_H
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	select DMABOUNCE if PCI
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	help
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	  Support for Intel's IXP4XX (XScale) family of processors.
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config ARCH_DOVE
	bool "Marvell Dove"
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	select CPU_V7
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	select PCI
	select ARCH_REQUIRE_GPIOLIB
	select GENERIC_CLOCKEVENTS
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	select NEED_MACH_IO_H
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	select PLAT_ORION
	help
	  Support for the Marvell Dove SoC 88AP510

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config ARCH_KIRKWOOD
	bool "Marvell Kirkwood"
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	select CPU_FEROCEON
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	select PCI
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	select ARCH_REQUIRE_GPIOLIB
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	select GENERIC_CLOCKEVENTS
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	select NEED_MACH_IO_H
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	select PLAT_ORION
	help
	  Support for the following Marvell Kirkwood series SoCs:
	  88F6180, 88F6192 and 88F6281.

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config ARCH_LPC32XX
	bool "NXP LPC32XX"
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	select CLKSRC_MMIO
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	select CPU_ARM926T
	select ARCH_REQUIRE_GPIOLIB
	select HAVE_IDE
	select ARM_AMBA
	select USB_ARCH_HAS_OHCI
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	select CLKDEV_LOOKUP
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	select GENERIC_CLOCKEVENTS
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	select USE_OF
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	help
	  Support for the NXP LPC32XX family of processors

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config ARCH_MV78XX0
	bool "Marvell MV78xx0"
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	select CPU_FEROCEON
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	select PCI
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	select ARCH_REQUIRE_GPIOLIB
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	select GENERIC_CLOCKEVENTS
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	select NEED_MACH_IO_H
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	select PLAT_ORION
	help
	  Support for the following Marvell MV78xx0 series SoCs:
	  MV781x0, MV782x0.

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config ARCH_ORION5X
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	bool "Marvell Orion"
	depends on MMU
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	select CPU_FEROCEON
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	select PCI
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	select ARCH_REQUIRE_GPIOLIB
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	select GENERIC_CLOCKEVENTS
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	select NEED_MACH_IO_H
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	select PLAT_ORION
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	help
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	  Support for the following Marvell Orion 5x series SoCs:
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	  Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
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	  Orion-2 (5281), Orion-1-90 (6183).
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config ARCH_MMP
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	bool "Marvell PXA168/910/MMP2"
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	depends on MMU
	select ARCH_REQUIRE_GPIOLIB
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	select CLKDEV_LOOKUP
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	select GENERIC_CLOCKEVENTS
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	select GPIO_PXA
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	select IRQ_DOMAIN
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	select PLAT_PXA
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	select SPARSE_IRQ
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	select GENERIC_ALLOCATOR
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	help
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	  Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
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config ARCH_KS8695
	bool "Micrel/Kendin KS8695"
	select CPU_ARM922T
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	select ARCH_REQUIRE_GPIOLIB
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	select ARCH_USES_GETTIMEOFFSET
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	select NEED_MACH_MEMORY_H
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	help
	  Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
	  System-on-Chip devices.

config ARCH_W90X900
	bool "Nuvoton W90X900 CPU"
	select CPU_ARM926T
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	select ARCH_REQUIRE_GPIOLIB
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	select CLKDEV_LOOKUP
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	select CLKSRC_MMIO
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	select GENERIC_CLOCKEVENTS
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	help
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	  Support for Nuvoton (Winbond logic dept.) ARM9 processor,
	  At present, the w90x900 has been renamed nuc900, regarding
	  the ARM series product line, you can login the following
	  link address to know more.

	  <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/
		ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller>
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config ARCH_TEGRA
	bool "NVIDIA Tegra"
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	select CLKDEV_LOOKUP
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	select CLKSRC_MMIO
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	select GENERIC_CLOCKEVENTS
	select GENERIC_GPIO
	select HAVE_CLK
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	select HAVE_SMP
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	select MIGHT_HAVE_CACHE_L2X0
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	select NEED_MACH_IO_H if PCI
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	select ARCH_HAS_CPUFREQ
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	help
	  This enables support for NVIDIA Tegra based systems (Tegra APX,
	  Tegra 6xx and Tegra 2 series).

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config ARCH_PICOXCELL
	bool "Picochip picoXcell"
	select ARCH_REQUIRE_GPIOLIB
	select ARM_PATCH_PHYS_VIRT
	select ARM_VIC
	select CPU_V6K
	select DW_APB_TIMER
	select GENERIC_CLOCKEVENTS
	select GENERIC_GPIO
	select HAVE_TCM
	select NO_IOPORT
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	select SPARSE_IRQ
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	select USE_OF
	help
	  This enables support for systems based on the Picochip picoXcell
	  family of Femtocell devices.  The picoxcell support requires device tree
	  for all boards.

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config ARCH_PNX4008
	bool "Philips Nexperia PNX4008 Mobile"
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	select CPU_ARM926T
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	select CLKDEV_LOOKUP
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	select ARCH_USES_GETTIMEOFFSET
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	help
	  This enables support for Philips PNX4008 mobile platform.

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config ARCH_PXA
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	bool "PXA2xx/PXA3xx-based"
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	depends on MMU
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	select ARCH_MTD_XIP
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	select ARCH_HAS_CPUFREQ
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	select CLKDEV_LOOKUP
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	select CLKSRC_MMIO
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	select ARCH_REQUIRE_GPIOLIB
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	select GENERIC_CLOCKEVENTS
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	select GPIO_PXA
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	select PLAT_PXA
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	select SPARSE_IRQ
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	select AUTO_ZRELADDR
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	select MULTI_IRQ_HANDLER
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	select ARM_CPU_SUSPEND if PM
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	select HAVE_IDE
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	help
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	  Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
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config ARCH_MSM
	bool "Qualcomm MSM"
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	select HAVE_CLK
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	select GENERIC_CLOCKEVENTS
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	select ARCH_REQUIRE_GPIOLIB
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	select CLKDEV_LOOKUP
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	help
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	  Support for Qualcomm MSM/QSD based systems.  This runs on the
	  apps processor of the MSM/QSD and depends on a shared memory
	  interface to the modem processor which runs the baseband
	  stack and controls some vital subsystems
	  (clock and power control, etc).
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config ARCH_SHMOBILE
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	bool "Renesas SH-Mobile / R-Mobile"
	select HAVE_CLK
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	select CLKDEV_LOOKUP
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	select HAVE_MACH_CLKDEV
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	select HAVE_SMP
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	select GENERIC_CLOCKEVENTS
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	select MIGHT_HAVE_CACHE_L2X0
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	select NO_IOPORT
	select SPARSE_IRQ
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	select MULTI_IRQ_HANDLER
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	select PM_GENERIC_DOMAINS if PM
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	select NEED_MACH_MEMORY_H
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	help
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	  Support for Renesas's SH-Mobile and R-Mobile ARM platforms.
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config ARCH_RPC
	bool "RiscPC"
	select ARCH_ACORN
	select FIQ
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	select ARCH_MAY_HAVE_PC_FDC
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	select HAVE_PATA_PLATFORM
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	select ISA_DMA_API
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	select NO_IOPORT
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	select ARCH_SPARSEMEM_ENABLE
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	select ARCH_USES_GETTIMEOFFSET
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	select HAVE_IDE
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	select NEED_MACH_IO_H
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	select NEED_MACH_MEMORY_H
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	help
	  On the Acorn Risc-PC, Linux can support the internal IDE disk and
	  CD-ROM interface, serial and parallel port, and the floppy drive.

config ARCH_SA1100
	bool "SA1100-based"
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	select CLKSRC_MMIO
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	select CPU_SA1100
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	select ISA
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	select ARCH_SPARSEMEM_ENABLE
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	select ARCH_MTD_XIP
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	select ARCH_HAS_CPUFREQ
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	select CPU_FREQ
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	select GENERIC_CLOCKEVENTS
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	select CLKDEV_LOOKUP
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	select ARCH_REQUIRE_GPIOLIB
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	select HAVE_IDE
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	select NEED_MACH_MEMORY_H
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	select SPARSE_IRQ
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	help
	  Support for StrongARM 11x0 based boards.
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config ARCH_S3C24XX
	bool "Samsung S3C24XX SoCs"
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	select GENERIC_GPIO
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	select ARCH_HAS_CPUFREQ
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	select HAVE_CLK
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	select CLKDEV_LOOKUP
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	select ARCH_USES_GETTIMEOFFSET
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	select HAVE_S3C2410_I2C if I2C
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	select HAVE_S3C_RTC if RTC_CLASS
	select HAVE_S3C2410_WATCHDOG if WATCHDOG
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	select NEED_MACH_IO_H
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	help
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	  Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443
	  and S3C2450 SoCs based systems, such as the Simtec Electronics BAST
	  (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the
	  Samsung SMDK2410 development board (and derivatives).
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config ARCH_S3C64XX
	bool "Samsung S3C64XX"
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	select PLAT_SAMSUNG
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	select CPU_V6
	select ARM_VIC
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	select HAVE_CLK
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	select HAVE_TCM
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	select CLKDEV_LOOKUP
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	select NO_IOPORT
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	select ARCH_USES_GETTIMEOFFSET
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	select ARCH_HAS_CPUFREQ
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	select ARCH_REQUIRE_GPIOLIB
	select SAMSUNG_CLKSRC
	select SAMSUNG_IRQ_VIC_TIMER
	select S3C_GPIO_TRACK
	select S3C_DEV_NAND
	select USB_ARCH_HAS_OHCI
	select SAMSUNG_GPIOLIB_4BIT
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	select HAVE_S3C2410_I2C if I2C
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	select HAVE_S3C2410_WATCHDOG if WATCHDOG
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	help
	  Samsung S3C64XX series based systems

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config ARCH_S5P64X0
	bool "Samsung S5P6440 S5P6450"
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	select CPU_V6
	select GENERIC_GPIO
	select HAVE_CLK