sh: SH-5 byteorder routines.

Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

include/asm-sh/byteorder.h

@@ -3,26 +3,41 @@
 
 /*
  * Copyright (C) 1999  Niibe Yutaka
+ * Copyright (C) 2000, 2001  Paolo Alberelli
  */
-
-#include <asm/types.h>
 #include <linux/compiler.h>
+#include <linux/types.h>
 
-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
 {
-	__asm__("swap.b	%0, %0\n\t"
+	__asm__(
+#ifdef CONFIG_SUPERH32
+		"swap.b		%0, %0\n\t"
 		"swap.w		%0, %0\n\t"
 		"swap.b		%0, %0"
+#else
+		"byterev	%0, %0\n\t"
+		"shari		%0, 32, %0"
+#endif
 		: "=r" (x)
 		: "0" (x));
+
 	return x;
 }
 
-static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
+static inline __attribute_const__ __u16 ___arch__swab16(__u16 x)
 {
-	__asm__("swap.b %0, %0"
+	__asm__(
+#ifdef CONFIG_SUPERH32
+		"swap.b		%0, %0"
+#else
+		"byterev	%0, %0\n\t"
+		"shari		%0, 32, %0"
+
+#endif
 		: "=r" (x)
 		:  "0" (x));
+
 	return x;
 }