ARM: dma-mapping: provide per-cpu type map/unmap functions

[safe/jmp/linux-2.6] / arch / arm / mm / proc-arm1026.S

diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S
index 96aedb1..9ece6f6 100644 (file)
--- a/arch/arm/mm/proc-arm1026.S
+++ b/arch/arm/mm/proc-arm1026.S
@@ -299,6 +299,30 @@ ENTRY(arm1026_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(arm1026_dma_map_area)
+       add     r1, r1, r0
+       cmp     r2, #DMA_TO_DEVICE
+       beq     arm1026_dma_clean_range
+       bcs     arm1026_dma_inv_range
+       b       arm1026_dma_flush_range
+ENDPROC(arm1026_dma_map_area)
+
+/*
+ *     dma_unmap_area(start, size, dir)
+ *     - start - kernel virtual start address
+ *     - size  - size of region
+ *     - dir   - DMA direction
+ */
+ENTRY(arm1026_dma_unmap_area)
+       mov     pc, lr
+ENDPROC(arm1026_dma_unmap_area)
+
 ENTRY(arm1026_cache_fns)
        .long   arm1026_flush_kern_cache_all
        .long   arm1026_flush_user_cache_all
@@ -306,6 +330,8 @@ ENTRY(arm1026_cache_fns)
        .long   arm1026_coherent_kern_range
        .long   arm1026_coherent_user_range
        .long   arm1026_flush_kern_dcache_area
+       .long   arm1026_dma_map_area
+       .long   arm1026_dma_unmap_area
        .long   arm1026_dma_inv_range
        .long   arm1026_dma_clean_range
        .long   arm1026_dma_flush_range