diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-03-25 18:56:05 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-15 15:03:49 +0100 |
| commit | a2227120eead4ea7d2ea04d8ce0947f1dd23dedf (patch) | |
| tree | 42b8ef27585c8f4cac294594659f52833037a577 /arch/arm/mm/mmu.c | |
| parent | ceb683d3bc36f213aeef0c5d79e6fbb1e16bd459 (diff) | |
ARM: Move memory mapping into mmu.c
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/mmu.c')
| -rw-r--r-- | arch/arm/mm/mmu.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 91547196915c..69852003675f 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -600,7 +600,7 @@ static void __init create_36bit_mapping(struct map_desc *md, * offsets, and we take full advantage of sections and * supersections. */ -void __init create_mapping(struct map_desc *md) +static void __init create_mapping(struct map_desc *md) { unsigned long phys, addr, length, end; const struct mem_type *type; @@ -1014,6 +1014,32 @@ static void __init kmap_init(void) #endif } +static inline void map_memory_bank(struct membank *bank) +{ + struct map_desc map; + + map.pfn = bank_pfn_start(bank); + map.virtual = __phys_to_virt(bank_phys_start(bank)); + map.length = bank_phys_size(bank); + map.type = MT_MEMORY; + + create_mapping(&map); +} + +static void __init map_lowmem(void) +{ + struct meminfo *mi = &meminfo; + int i; + + /* Map all the lowmem memory banks. */ + for (i = 0; i < mi->nr_banks; i++) { + struct membank *bank = &mi->bank[i]; + + if (!bank->highmem) + map_memory_bank(bank); + } +} + static int __init meminfo_cmp(const void *_a, const void *_b) { const struct membank *a = _a, *b = _b; @@ -1034,6 +1060,7 @@ void __init paging_init(struct machine_desc *mdesc) build_mem_type_table(); sanity_check_meminfo(); prepare_page_table(); + map_lowmem(); bootmem_init(); devicemaps_init(mdesc); kmap_init(); |