diff options
Diffstat (limited to 'arch/powerpc/mm/pgtable_32.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable_32.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index ac3390f81900..80d1babb230d 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -29,6 +29,7 @@ #include <asm/pgtable.h> #include <asm/pgalloc.h> +#include <asm/fixmap.h> #include <asm/io.h> #include "mmu_decl.h" @@ -281,12 +282,13 @@ int map_page(unsigned long va, phys_addr_t pa, int flags) */ void __init mapin_ram(void) { - unsigned long v, p, s, f; + unsigned long v, s, f; + phys_addr_t p; int ktext; s = mmu_mapin_ram(); v = KERNELBASE + s; - p = PPC_MEMSTART + s; + p = memstart_addr + s; for (; s < total_lowmem; s += PAGE_SIZE) { ktext = ((char *) v >= _stext && (char *) v < etext); f = ktext ?_PAGE_RAM_TEXT : _PAGE_RAM; @@ -386,3 +388,25 @@ void kernel_map_pages(struct page *page, int numpages, int enable) change_page_attr(page, numpages, enable ? PAGE_KERNEL : __pgprot(0)); } #endif /* CONFIG_DEBUG_PAGEALLOC */ + +static int fixmaps; +unsigned long FIXADDR_TOP = 0xfffff000; +EXPORT_SYMBOL(FIXADDR_TOP); + +void __set_fixmap (enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags) +{ + unsigned long address = __fix_to_virt(idx); + + if (idx >= __end_of_fixed_addresses) { + BUG(); + return; + } + + map_page(address, phys, flags); + fixmaps++; +} + +void __this_fixmap_does_not_exist(void) +{ + WARN_ON(1); +} |