diff options
Diffstat (limited to 'arch/arm/cpu/mmu.c')
| -rw-r--r-- | arch/arm/cpu/mmu.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index 4c4e19620a..66ee9872f8 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -60,12 +60,17 @@ void mmu_enable(void) ); } +struct outer_cache_fns outer_cache; + /* * Clean and invalide caches, disable MMU */ void mmu_disable(void) { + if (outer_cache.disable) + outer_cache.disable(); + asm volatile ( "bl __mmu_cache_flush;" "bl __mmu_cache_off;" @@ -98,7 +103,7 @@ void *dma_alloc_coherent(size_t size) if (mem) return mem + dma_coherent_offset; - return NULL; + return NULL; } unsigned long virt_to_phys(void *virt) @@ -116,3 +121,24 @@ void dma_free_coherent(void *mem) free(mem - dma_coherent_offset); } +void dma_clean_range(unsigned long start, unsigned long end) +{ + if (outer_cache.clean_range) + outer_cache.clean_range(start, end); + __dma_clean_range(start, end); +} + +void dma_flush_range(unsigned long start, unsigned long end) +{ + if (outer_cache.flush_range) + outer_cache.flush_range(start, end); + __dma_flush_range(start, end); +} + +void dma_inv_range(unsigned long start, unsigned long end) +{ + if (outer_cache.inv_range) + outer_cache.inv_range(start, end); + __dma_inv_range(start, end); +} + |