Merge branch 'master' of git://git.denx.de/u-boot-fdt

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

diff --git a/include/asm-m68k/io.h b/include/asm-m68k/io.h
index 91d7592..50ea087 100644 (file)
--- a/include/asm-m68k/io.h
+++ b/include/asm-m68k/io.h
@@ -28,19 +28,13 @@
 
 #include <asm/byteorder.h>
 
-/* ++roman: The assignments to temp. vars avoid that gcc sometimes generates
- * two accesses to memory, which may be undesirable for some devices.
- */
-#define __raw_readb(addr) \
-    ({ u8 __v = (*(volatile u8 *) (addr)); __v; })
-#define __raw_readw(addr) \
-    ({ u16 __v = (*(volatile u16 *) (addr)); __v; })
-#define __raw_readl(addr) \
-    ({ u32 __v = (*(volatile u32 *) (addr)); __v; })
+#define __raw_readb(addr) (*(volatile u8 *)(addr))
+#define __raw_readw(addr) (*(volatile u16 *)(addr))
+#define __raw_readl(addr) (*(volatile u32 *)(addr))
 
-#define __raw_writeb(addr,b) (void)((*(volatile u8 *) (addr)) = (b))
-#define __raw_writew(addr,w) (void)((*(volatile u16 *) (addr)) = (w))
-#define __raw_writel(addr,l) (void)((*(volatile u32 *) (addr)) = (l))
+#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))
@@ -238,15 +232,13 @@ static inline void sync(void)
  * 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)
+static inline void *map_physmem(phys_addr_t paddr, unsigned long len,
+                               unsigned long flags)
 {
        return (void *)paddr;
 }
@@ -259,4 +251,9 @@ 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                         /* __ASM_M68K_IO_H__ */