X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fasm-sh64%2Fdma-mapping.h;h=e661857f98dc8e83bf60bc181e35c4464b343a57;hb=61d08a9ea3d5fd680213aa7a15fcda69ce11987d;hp=c7c0f059cdc4ff57e464d6beccef50e384dd2b17;hpb=36dbe4d6bffb90fcb2663ac50af00a942412e246;p=deliverable%2Flinux.git

diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h
index c7c0f059cdc4..e661857f98dc 100644
--- a/include/asm-sh64/dma-mapping.h
+++ b/include/asm-sh64/dma-mapping.h
@@ -42,7 +42,11 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
 static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 				  enum dma_data_direction dir)
 {
-	dma_cache_wback_inv((unsigned long)vaddr, size);
+	unsigned long s = (unsigned long) vaddr & L1_CACHE_ALIGN_MASK;
+	unsigned long e = (vaddr + size) & L1_CACHE_ALIGN_MASK;
+
+	for (; s <= e; s += L1_CACHE_BYTES)
+		asm volatile ("ocbp	%0, 0" : : "r" (s));
 }
 
 static inline dma_addr_t dma_map_single(struct device *dev,
@@ -51,11 +55,11 @@ static inline dma_addr_t dma_map_single(struct device *dev,
 {
 #if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
 	if (dev->bus == &pci_bus_type)
-		return virt_to_bus(ptr);
+		return virt_to_phys(ptr);
 #endif
 	dma_cache_sync(dev, ptr, size, dir);
 
-	return virt_to_bus(ptr);
+	return virt_to_phys(ptr);
 }
 
 #define dma_unmap_single(dev, addr, size, dir)	do { } while (0)
@@ -98,7 +102,7 @@ static inline void dma_sync_single(struct device *dev, dma_addr_t dma_handle,
 	if (dev->bus == &pci_bus_type)
 		return;
 #endif
-	dma_cache_sync(dev, bus_to_virt(dma_handle), size, dir);
+	dma_cache_sync(dev, phys_to_virt(dma_handle), size, dir);
 }
 
 static inline void dma_sync_single_range(struct device *dev,
@@ -110,7 +114,7 @@ static inline void dma_sync_single_range(struct device *dev,
 	if (dev->bus == &pci_bus_type)
 		return;
 #endif
-	dma_cache_sync(dev, bus_to_virt(dma_handle) + offset, size, dir);
+	dma_cache_sync(dev, phys_to_virt(dma_handle) + offset, size, dir);
 }
 
 static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
@@ -141,6 +145,24 @@ static inline void dma_sync_single_for_device(struct device *dev,
 	dma_sync_single(dev, dma_handle, size, dir);
 }
 
+static inline void dma_sync_single_range_for_cpu(struct device *dev,
+						 dma_addr_t dma_handle,
+						 unsigned long offset,
+						 size_t size,
+						 enum dma_data_direction direction)
+{
+	dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
+}
+
+static inline void dma_sync_single_range_for_device(struct device *dev,
+						    dma_addr_t dma_handle,
+						    unsigned long offset,
+						    size_t size,
+						    enum dma_data_direction direction)
+{
+	dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
+}
+
 static inline void dma_sync_sg_for_cpu(struct device *dev,
 				       struct scatterlist *sg, int nelems,
 				       enum dma_data_direction dir)