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Diffstat (limited to 'arch/arm/kernel/setup.c')
-rw-r--r--arch/arm/kernel/setup.c37
1 files changed, 13 insertions, 24 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 50e198c1e9c8..8a16ee5d8a95 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -72,6 +72,7 @@ static int __init fpe_setup(char *line)
__setup("fpe=", fpe_setup);
#endif
+extern void init_default_cache_policy(unsigned long);
extern void paging_init(const struct machine_desc *desc);
extern void early_paging_init(const struct machine_desc *,
struct proc_info_list *);
@@ -590,7 +591,7 @@ static void __init setup_processor(void)
pr_info("CPU: %s [%08x] revision %d (ARMv%s), cr=%08lx\n",
cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
- proc_arch[cpu_architecture()], cr_alignment);
+ proc_arch[cpu_architecture()], get_cr());
snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c",
list->arch_name, ENDIANNESS);
@@ -603,7 +604,9 @@ static void __init setup_processor(void)
#ifndef CONFIG_ARM_THUMB
elf_hwcap &= ~(HWCAP_THUMB | HWCAP_IDIVT);
#endif
-
+#ifdef CONFIG_MMU
+ init_default_cache_policy(list->__cpu_mm_mmu_flags);
+#endif
erratum_a15_798181_init();
feat_v6_fixup();
@@ -628,15 +631,8 @@ void __init dump_machine_table(void)
int __init arm_add_memory(u64 start, u64 size)
{
- struct membank *bank = &meminfo.bank[meminfo.nr_banks];
u64 aligned_start;
- if (meminfo.nr_banks >= NR_BANKS) {
- pr_crit("NR_BANKS too low, ignoring memory at 0x%08llx\n",
- (long long)start);
- return -EINVAL;
- }
-
/*
* Ensure that start/size are aligned to a page boundary.
* Size is appropriately rounded down, start is rounded up.
@@ -677,17 +673,17 @@ int __init arm_add_memory(u64 start, u64 size)
aligned_start = PHYS_OFFSET;
}
- bank->start = aligned_start;
- bank->size = size & ~(phys_addr_t)(PAGE_SIZE - 1);
+ start = aligned_start;
+ size = size & ~(phys_addr_t)(PAGE_SIZE - 1);
/*
* Check whether this memory region has non-zero size or
* invalid node number.
*/
- if (bank->size == 0)
+ if (size == 0)
return -EINVAL;
- meminfo.nr_banks++;
+ memblock_add(start, size);
return 0;
}
@@ -695,6 +691,7 @@ int __init arm_add_memory(u64 start, u64 size)
* Pick out the memory size. We look for mem=size@start,
* where start and size are "size[KkMm]"
*/
+
static int __init early_mem(char *p)
{
static int usermem __initdata = 0;
@@ -709,7 +706,8 @@ static int __init early_mem(char *p)
*/
if (usermem == 0) {
usermem = 1;
- meminfo.nr_banks = 0;
+ memblock_remove(memblock_start_of_DRAM(),
+ memblock_end_of_DRAM() - memblock_start_of_DRAM());
}
start = PHYS_OFFSET;
@@ -854,13 +852,6 @@ static void __init reserve_crashkernel(void)
static inline void reserve_crashkernel(void) {}
#endif /* CONFIG_KEXEC */
-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 hyp_mode_check(void)
{
#ifdef CONFIG_ARM_VIRT_EXT
@@ -903,12 +894,10 @@ void __init setup_arch(char **cmdline_p)
parse_early_param();
- sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
-
early_paging_init(mdesc, lookup_processor_type(read_cpuid_id()));
setup_dma_zone(mdesc);
sanity_check_meminfo();
- arm_memblock_init(&meminfo, mdesc);
+ arm_memblock_init(mdesc);
paging_init(mdesc);
request_standard_resources(mdesc);