diff options
Diffstat (limited to 'arch/ppc/cpu-85xx/mmu.c')
| -rw-r--r-- | arch/ppc/cpu-85xx/mmu.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/arch/ppc/cpu-85xx/mmu.c b/arch/ppc/cpu-85xx/mmu.c index 7e86e6b2b6..6b93c3e8db 100644 --- a/arch/ppc/cpu-85xx/mmu.c +++ b/arch/ppc/cpu-85xx/mmu.c @@ -14,17 +14,29 @@ #include <common.h> #include <asm/cache.h> +#include <mmu.h> #include <mach/mmu.h> -void remap_range(void *_start, size_t size, uint32_t flags) +int arch_remap_range(void *_start, size_t size, unsigned flags) { - uint32_t ptr, start, tsize, valid, wimge; + uint32_t ptr, start, tsize, valid, wimge, pte_flags; unsigned long epn; phys_addr_t rpn = 0; int esel = 0; + switch (flags) { + case MAP_UNCACHED: + pte_flags = MAS2_I; + break; + case MAP_CACHED: + pte_flags = 0; + break; + default: + return -EINVAL; + } + ptr = start = (uint32_t)_start; - wimge = flags | MAS2_M; + wimge = pte_flags | MAS2_M; while (ptr < (start + size)) { esel = e500_find_tlb_idx((void *)ptr, 1); @@ -41,14 +53,6 @@ void remap_range(void *_start, size_t size, uint32_t flags) /* convert tsize to bytes to increment address. */ ptr += (1ULL << ((tsize) + 10)); } -} -uint32_t mmu_get_pte_cached_flags(void) -{ return 0; } - -uint32_t mmu_get_pte_uncached_flags(void) -{ - return MAS2_I; -} |