1 files changed, 28 insertions, 4 deletions

diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S
index 8012e24282b2..72507c630ceb 100644
--- a/arch/arm/mm/proc-arm1020.S
+++ b/arch/arm/mm/proc-arm1020.S
@@ -265,7 +265,7 @@ ENTRY(arm1020_flush_kern_dcache_area)
  *
  * (same as v4wb)
  */
-ENTRY(arm1020_dma_inv_range)
+arm1020_dma_inv_range:
         mov     ip, #0
 #ifndef CONFIG_CPU_DCACHE_DISABLE
         tst     r0, #CACHE_DLINESIZE - 1
@@ -295,7 +295,7 @@ ENTRY(arm1020_dma_inv_range)
  *
  * (same as v4wb)
  */
-ENTRY(arm1020_dma_clean_range)
+arm1020_dma_clean_range:
         mov     ip, #0
 #ifndef CONFIG_CPU_DCACHE_DISABLE
         bic     r0, r0, #CACHE_DLINESIZE - 1
@@ -330,6 +330,30 @@ ENTRY(arm1020_dma_flush_range)
         mcr     p15, 0, ip, c7, c10, 4          @ drain WB
         mov     pc, lr
 
+/*
+ *      dma_map_area(start, size, dir)
+ *      - start - kernel virtual start address
+ *      - size  - size of region
+ *      - dir   - DMA direction
+ */
+ENTRY(arm1020_dma_map_area)
+        add     r1, r1, r0
+        cmp     r2, #DMA_TO_DEVICE
+        beq     arm1020_dma_clean_range
+        bcs     arm1020_dma_inv_range
+        b       arm1020_dma_flush_range
+ENDPROC(arm1020_dma_map_area)
+
+/*
+ *      dma_unmap_area(start, size, dir)
+ *      - start - kernel virtual start address
+ *      - size  - size of region
+ *      - dir   - DMA direction
+ */
+ENTRY(arm1020_dma_unmap_area)
+        mov     pc, lr
+ENDPROC(arm1020_dma_unmap_area)
+
 ENTRY(arm1020_cache_fns)
         .long   arm1020_flush_kern_cache_all
         .long   arm1020_flush_user_cache_all
@@ -337,8 +361,8 @@ ENTRY(arm1020_cache_fns)
         .long   arm1020_coherent_kern_range
         .long   arm1020_coherent_user_range
         .long   arm1020_flush_kern_dcache_area
-        .long   arm1020_dma_inv_range
-        .long   arm1020_dma_clean_range
+        .long   arm1020_dma_map_area
+        .long   arm1020_dma_unmap_area
         .long   arm1020_dma_flush_range
 
         .align  5