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author | Michal Simek <monstr@monstr.eu> | 2011-12-15 14:33:32 +0100 |
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committer | Michal Simek <monstr@monstr.eu> | 2012-03-23 09:28:11 +0100 |
commit | 419387612c03fce2ca6d5a3d6aac3dae42069264 (patch) | |
tree | 8f8a9b847513253160a0635d774b7bd01434240e /arch/microblaze/mm/pgtable.c | |
parent | 83a92529c1789f86481190743a6bb09f31ec39a8 (diff) | |
download | linux-419387612c03fce2ca6d5a3d6aac3dae42069264.tar.gz linux-419387612c03fce2ca6d5a3d6aac3dae42069264.tar.bz2 linux-419387612c03fce2ca6d5a3d6aac3dae42069264.zip |
microblaze: Introduce fixmap
Fixmap will be used for highmem support.
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/mm/pgtable.c')
-rw-r--r-- | arch/microblaze/mm/pgtable.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c index 68f5c01e4ad1..84905da83cb7 100644 --- a/arch/microblaze/mm/pgtable.c +++ b/arch/microblaze/mm/pgtable.c @@ -37,6 +37,7 @@ #include <linux/io.h> #include <asm/mmu.h> #include <asm/sections.h> +#include <asm/fixmap.h> #define flush_HPTE(X, va, pg) _tlbie(va) @@ -249,3 +250,13 @@ __init_refok pte_t *pte_alloc_one_kernel(struct mm_struct *mm, } return pte; } + +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(); + + map_page(address, phys, pgprot_val(flags)); +} |