ColdFire: Add MCF5301x CPU and M53017EVB support

[oweals/u-boot.git] / include / asm-m68k / io.h

diff --git a/include/asm-m68k/io.h b/include/asm-m68k/io.h
index e14a581dc1645e2cbfbc6b9efdda2c27ab8929ce..1fccc1292328c3efb04b7a9863e02f72b7ca8524 100644 (file)
--- a/include/asm-m68k/io.h
+++ b/include/asm-m68k/io.h
@@ -28,6 +28,14 @@
 
 #include <asm/byteorder.h>
 
+#define __raw_readb(addr) (*(volatile u8 *)(addr))
+#define __raw_readw(addr) (*(volatile u16 *)(addr))
+#define __raw_readl(addr) (*(volatile u32 *)(addr))
+
+#define __raw_writeb(b,addr) ((*(volatile u8 *) (addr)) = (b))
+#define __raw_writew(w,addr) ((*(volatile u16 *) (addr)) = (w))
+#define __raw_writel(l,addr) ((*(volatile u32 *) (addr)) = (l))
+
 #define readb(addr)            in_8((volatile u8 *)(addr))
 #define writeb(b,addr)         out_8((volatile u8 *)(addr), (b))
 #if !defined(__BIG_ENDIAN)
@@ -218,4 +226,29 @@ static inline void sync(void)
         * compatibility (CFI driver)
         */
 }
+
+/*
+ * 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                         /* __ASM_M68K_IO_H__ */