X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=inline;f=include%2Fasm-microblaze%2Fio.h;h=7e190d15c60e98be1b2a68f191e33f19b5ed42d8;hb=9c06071a6077ba95e9d43226156e39567d5d064a;hp=1c77ade4f1a173bb1d0cd1325d9084f838aabf21;hpb=19bf91f9628f80a55d4f171df71041574882b3d6;p=u-boot

diff --git a/include/asm-microblaze/io.h b/include/asm-microblaze/io.h
index 1c77ade4f1..7e190d15c6 100644
--- a/include/asm-microblaze/io.h
+++ b/include/asm-microblaze/io.h
@@ -16,6 +16,8 @@
 #ifndef __MICROBLAZE_IO_H__
 #define __MICROBLAZE_IO_H__
 
+#include <asm/types.h>
+
 #define IO_SPACE_LIMIT 0xFFFFFFFF
 
 #define readb(addr) \
@@ -129,4 +131,33 @@ 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".
+ */
+#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)
+{
+
+}
+
+static inline phys_addr_t virt_to_phys(void * vaddr)
+{
+	return (phys_addr_t)(vaddr);
+}
+
 #endif /* __MICROBLAZE_IO_H__ */