1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 1252a2675ca..584fe0b6fcd 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -87,6 +87,21 @@
  *      DMA Cache Coherency
  *      ===================
  *
+ *      dma_inv_range(start, end)
+ *
+ *              Invalidate (discard) the specified virtual address range.
+ *              May not write back any entries.  If 'start' or 'end'
+ *              are not cache line aligned, those lines must be written
+ *              back.
+ *              - start  - virtual start address
+ *              - end    - virtual end address
+ *
+ *      dma_clean_range(start, end)
+ *
+ *              Clean (write back) the specified virtual address range.
+ *              - start  - virtual start address
+ *              - end    - virtual end address
+ *
  *      dma_flush_range(start, end)
  *
  *              Clean and invalidate the specified virtual address range.
@@ -107,6 +122,8 @@ struct cpu_cache_fns {
         void (*dma_map_area)(const void *, size_t, int);
         void (*dma_unmap_area)(const void *, size_t, int);
 
+        void (*dma_inv_range)(const void *, const void *);
+        void (*dma_clean_range)(const void *, const void *);
         void (*dma_flush_range)(const void *, const void *);
 };
 
@@ -133,6 +150,8 @@ extern struct cpu_cache_fns cpu_cache;
  */
 #define dmac_map_area                   cpu_cache.dma_map_area
 #define dmac_unmap_area                 cpu_cache.dma_unmap_area
+#define dmac_inv_range                  cpu_cache.dma_inv_range
+#define dmac_clean_range                cpu_cache.dma_clean_range
 #define dmac_flush_range                cpu_cache.dma_flush_range
 
 #else
@@ -153,6 +172,8 @@ extern void __cpuc_flush_dcache_area(void *, size_t);
  */
 extern void dmac_map_area(const void *, size_t, int);
 extern void dmac_unmap_area(const void *, size_t, int);
+extern void dmac_inv_range(const void *, const void *);
+extern void dmac_clean_range(const void *, const void *);
 extern void dmac_flush_range(const void *, const void *);
 
 #endif