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Diffstat (limited to 'arch/arm/kernel/setup.c')
-rw-r--r--arch/arm/kernel/setup.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 7e7977ab994f..129fbd55bde8 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -31,6 +31,7 @@
#include <linux/memblock.h>
#include <linux/bug.h>
#include <linux/compiler.h>
+#include <linux/sort.h>
#include <asm/unified.h>
#include <asm/cpu.h>
@@ -52,6 +53,7 @@
#include <asm/mach/time.h>
#include <asm/traps.h>
#include <asm/unwind.h>
+#include <asm/memblock.h>
#if defined(CONFIG_DEPRECATED_PARAM_STRUCT)
#include "compat.h"
@@ -461,8 +463,10 @@ static void __init setup_processor(void)
cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
proc_arch[cpu_architecture()], cr_alignment);
- sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS);
- sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS);
+ snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c",
+ list->arch_name, ENDIANNESS);
+ snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c",
+ list->elf_name, ENDIANNESS);
elf_hwcap = list->elf_hwcap;
#ifndef CONFIG_ARM_THUMB
elf_hwcap &= ~HWCAP_THUMB;
@@ -888,13 +892,17 @@ static struct machine_desc * __init setup_machine_tags(unsigned int nr)
return mdesc;
}
+static int __init meminfo_cmp(const void *_a, const void *_b)
+{
+ const struct membank *a = _a, *b = _b;
+ long cmp = bank_pfn_start(a) - bank_pfn_start(b);
+ return cmp < 0 ? -1 : cmp > 0 ? 1 : 0;
+}
void __init setup_arch(char **cmdline_p)
{
struct machine_desc *mdesc;
- unwind_init();
-
setup_processor();
mdesc = setup_machine_fdt(__atags_pointer);
if (!mdesc)
@@ -902,8 +910,14 @@ void __init setup_arch(char **cmdline_p)
machine_desc = mdesc;
machine_name = mdesc->name;
- if (mdesc->soft_reboot)
- reboot_setup("s");
+#ifdef CONFIG_ZONE_DMA
+ if (mdesc->dma_zone_size) {
+ extern unsigned long arm_dma_zone_size;
+ arm_dma_zone_size = mdesc->dma_zone_size;
+ }
+#endif
+ if (mdesc->restart_mode)
+ reboot_setup(&mdesc->restart_mode);
init_mm.start_code = (unsigned long) _text;
init_mm.end_code = (unsigned long) _etext;
@@ -916,12 +930,16 @@ void __init setup_arch(char **cmdline_p)
parse_early_param();
+ sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
sanity_check_meminfo();
arm_memblock_init(&meminfo, mdesc);
paging_init(mdesc);
request_standard_resources(mdesc);
+ if (mdesc->restart)
+ arm_pm_restart = mdesc->restart;
+
unflatten_device_tree();
#ifdef CONFIG_SMP
@@ -932,12 +950,6 @@ void __init setup_arch(char **cmdline_p)
tcm_init();
-#ifdef CONFIG_ZONE_DMA
- if (mdesc->dma_zone_size) {
- extern unsigned long arm_dma_zone_size;
- arm_dma_zone_size = mdesc->dma_zone_size;
- }
-#endif
#ifdef CONFIG_MULTI_IRQ_HANDLER
handle_arch_irq = mdesc->handle_irq;
#endif