m68k: introduce asm/swab.h

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/asm-m68k/byteorder.h b/include/asm-m68k/byteorder.h
index b354acd..3008665 100644
--- a/include/asm-m68k/byteorder.h
+++ b/include/asm-m68k/byteorder.h
@@ -1,19 +1,7 @@
 #ifndef _M68K_BYTEORDER_H
 #define _M68K_BYTEORDER_H
 
-#include <asm/types.h>
-#include <linux/compiler.h>
-
-#define __BIG_ENDIAN
-#define __SWAB_64_THRU_32__
-
-static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
-{
-	__asm__("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val));
-	return val;
-}
-#define __arch_swab32 __arch_swab32
-
-#include <linux/byteorder.h>
+#include <asm/swab.h>
+#include <linux/byteorder/big_endian.h>
 
 #endif /* _M68K_BYTEORDER_H */