X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fasm-sh%2Fio.h;h=740029300c2c347743879c16a43abde42b44b6f1;hb=b99ba1679e8cd51b023e67098c89e606e47137d2;hp=03427ad33b51ac1ed24c86c155e12ca794db4f5d;hpb=749ae4c6970549321895de744fb5ac6d383c1b46;p=u-boot

diff --git a/include/asm-sh/io.h b/include/asm-sh/io.h
index 03427ad33b..740029300c 100644
--- a/include/asm-sh/io.h
+++ b/include/asm-sh/io.h
@@ -227,5 +227,30 @@ out:
 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)
+{
+
+}
+
 #endif	/* __KERNEL__ */
 #endif	/* __ASM_SH_IO_H */