X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fasm-microblaze%2Fio.h;h=90d18428ad1e960ab67b3e48849e7c0207b8a4ce;hb=b38d7fc2f1d27957a810950f07c27f2be353f50f;hp=1c77ade4f1a173bb1d0cd1325d9084f838aabf21;hpb=3a197b2fe49d6fa03978e60af2394efe9c70b527;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/asm-microblaze/io.h b/include/asm-microblaze/io.h
index 1c77ade..90d1842 100644
--- a/include/asm-microblaze/io.h
+++ b/include/asm-microblaze/io.h
@@ -129,4 +129,30 @@ static inline void sync(void)
 {
 }
 
+/*
+ * Given a physical address and a length, return a virtual address
+ * that can be used to access the memory range with the caching
+ * properties specified by "flags".
+ */
+typedef unsigned long phys_addr_t;
+
+#define MAP_NOCACHE	(0)
+#define MAP_WRCOMBINE	(0)
+#define MAP_WRBACK	(0)
+#define MAP_WRTHROUGH	(0)
+
+static inline void *
+map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
+{
+	return (void *)paddr;
+}
+
+/*
+ * Take down a mapping set up by map_physmem().
+ */
+static inline void unmap_physmem(void *vaddr, unsigned long flags)
+{
+
+}
+
 #endif /* __MICROBLAZE_IO_H__ */