Commit 05f94eeb authored by Imre Kaloz's avatar Imre Kaloz Committed by Ralf Baechle
Browse files

MIPS: Sibyte: Remove standalone kernel support



CFE is the only supported and used bootloader on the SiByte boards,
the standalone kernel support has been never used outside Broadcom.
Remove it and make the kernel use CFE by default.
Signed-off-by: default avatarImre Kaloz <kaloz@openwrt.org>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 435f81f4
......@@ -167,7 +167,6 @@ libs-$(CONFIG_ARC) += arch/mips/fw/arc/
libs-$(CONFIG_CFE) += arch/mips/fw/cfe/
libs-$(CONFIG_SNIPROM) += arch/mips/fw/sni/
libs-y += arch/mips/fw/lib/
libs-$(CONFIG_SIBYTE_CFE) += arch/mips/sibyte/cfe/
#
# Board-dependent options and extra files
......
......@@ -75,6 +75,8 @@ config SIBYTE_SB1xxx_SOC
select SWAP_IO_SPACE
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select CFE
select SYS_HAS_EARLY_PRINTK
choice
prompt "SiByte SOC Stepping"
......@@ -136,34 +138,14 @@ config SB1_CERR_STALL
bool "Stall (rather than panic) on fatal cache error"
depends on SIBYTE_SB1xxx_SOC
config SIBYTE_CFE
bool "Booting from CFE"
depends on SIBYTE_SB1xxx_SOC
select CFE
select SYS_HAS_EARLY_PRINTK
help
Make use of the CFE API for enumerating available memory,
controlling secondary CPUs, and possibly console output.
config SIBYTE_CFE_CONSOLE
bool "Use firmware console"
depends on SIBYTE_CFE
depends on SIBYTE_SB1xxx_SOC
help
Use the CFE API's console write routines during boot. Other console
options (VT console, sb1250 duart console, etc.) should not be
configured.
config SIBYTE_STANDALONE
bool
depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
select SYS_HAS_EARLY_PRINTK
default y
config SIBYTE_STANDALONE_RAM_SIZE
int "Memory size (in megabytes)"
depends on SIBYTE_STANDALONE
default "32"
config SIBYTE_BUS_WATCHER
bool "Support for Bus Watcher statistics"
depends on SIBYTE_SB1xxx_SOC
......
lib-y = setup.o
lib-$(CONFIG_SIBYTE_CFE_CONSOLE) += console.o
obj-y :=
obj-y := cfe.o
obj-$(CONFIG_SIBYTE_CFE_CONSOLE) += cfe_console.o
obj-$(CONFIG_SIBYTE_TBPROF) += sb_tbprof.o
EXTRA_CFLAGS += -Werror
obj-y := setup.o irq.o time.o
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_SIBYTE_STANDALONE) += prom.o
obj-$(CONFIG_SIBYTE_BUS_WATCHER) += bus_watcher.o
EXTRA_CFLAGS += -Werror
/*
* Copyright (C) 2000, 2001 Broadcom Corporation
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/blkdev.h>
#include <linux/bootmem.h>
#include <linux/smp.h>
#include <linux/initrd.h>
#include <linux/pm.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#define MAX_RAM_SIZE ((CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024) - 1)
static __init void prom_meminit(void)
{
#ifdef CONFIG_BLK_DEV_INITRD
unsigned long initrd_pstart;
unsigned long initrd_pend;
initrd_pstart = __pa(initrd_start);
initrd_pend = __pa(initrd_end);
if (initrd_start &&
((initrd_pstart > MAX_RAM_SIZE)
|| (initrd_pend > MAX_RAM_SIZE))) {
panic("initrd out of addressable memory");
}
add_memory_region(0, initrd_pstart,
BOOT_MEM_RAM);
add_memory_region(initrd_pstart, initrd_pend - initrd_pstart,
BOOT_MEM_RESERVED);
add_memory_region(initrd_pend,
(CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024) - initrd_pend,
BOOT_MEM_RAM);
#else
add_memory_region(0, CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024,
BOOT_MEM_RAM);
#endif
}
void prom_cpu0_exit(void *unused)
{
while (1) ;
}
static void prom_linux_exit(void)
{
#ifdef CONFIG_SMP
if (smp_processor_id()) {
smp_call_function(prom_cpu0_exit, NULL, 1);
}
#endif
while(1);
}
/*
* prom_init is called just after the cpu type is determined, from setup_arch()
*/
void __init prom_init(void)
{
_machine_restart = (void (*)(char *))prom_linux_exit;
_machine_halt = prom_linux_exit;
pm_power_off = prom_linux_exit;
strcpy(arcs_cmdline, "root=/dev/ram0 ");
prom_meminit();
}
void __init prom_free_prom_memory(void)
{
/* Not sure what I'm supposed to do here. Nothing, I think */
}
void prom_putchar(char c)
{
}
......@@ -136,16 +136,6 @@ void __init plat_mem_setup(void)
if (m41t81_probe())
swarm_rtc_type = RTC_M4LT81;
printk("This kernel optimized for "
"board"
" runs "
#ifdef CONFIG_SIBYTE_CFE
"with"
#else
"without"
#endif
" CFE\n");
#ifdef CONFIG_VT
screen_info = (struct screen_info) {
0, 0, /* orig-x, orig-y */
......
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