diff options
Diffstat (limited to 'arch/arm/mm/cache-fa.S')
-rw-r--r-- | arch/arm/mm/cache-fa.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-fa.S b/arch/arm/mm/cache-fa.S index a89444a3c016..8ebffdd6fcff 100644 --- a/arch/arm/mm/cache-fa.S +++ b/arch/arm/mm/cache-fa.S | |||
@@ -205,6 +205,30 @@ ENTRY(fa_dma_flush_range) | |||
205 | mcr p15, 0, r0, c7, c10, 4 @ drain write buffer | 205 | mcr p15, 0, r0, c7, c10, 4 @ drain write buffer |
206 | mov pc, lr | 206 | mov pc, lr |
207 | 207 | ||
208 | /* | ||
209 | * dma_map_area(start, size, dir) | ||
210 | * - start - kernel virtual start address | ||
211 | * - size - size of region | ||
212 | * - dir - DMA direction | ||
213 | */ | ||
214 | ENTRY(fa_dma_map_area) | ||
215 | add r1, r1, r0 | ||
216 | cmp r2, #DMA_TO_DEVICE | ||
217 | beq fa_dma_clean_range | ||
218 | bcs fa_dma_inv_range | ||
219 | b fa_dma_flush_range | ||
220 | ENDPROC(fa_dma_map_area) | ||
221 | |||
222 | /* | ||
223 | * dma_unmap_area(start, size, dir) | ||
224 | * - start - kernel virtual start address | ||
225 | * - size - size of region | ||
226 | * - dir - DMA direction | ||
227 | */ | ||
228 | ENTRY(fa_dma_unmap_area) | ||
229 | mov pc, lr | ||
230 | ENDPROC(fa_dma_unmap_area) | ||
231 | |||
208 | __INITDATA | 232 | __INITDATA |
209 | 233 | ||
210 | .type fa_cache_fns, #object | 234 | .type fa_cache_fns, #object |
@@ -215,6 +239,8 @@ ENTRY(fa_cache_fns) | |||
215 | .long fa_coherent_kern_range | 239 | .long fa_coherent_kern_range |
216 | .long fa_coherent_user_range | 240 | .long fa_coherent_user_range |
217 | .long fa_flush_kern_dcache_area | 241 | .long fa_flush_kern_dcache_area |
242 | .long fa_dma_map_area | ||
243 | .long fa_dma_unmap_area | ||
218 | .long fa_dma_inv_range | 244 | .long fa_dma_inv_range |
219 | .long fa_dma_clean_range | 245 | .long fa_dma_clean_range |
220 | .long fa_dma_flush_range | 246 | .long fa_dma_flush_range |