--- linux.orig/arch/powerpc/boot/4xx.c	2009-03-09 17:55:01.000000000 +0200
+++ linux/arch/powerpc/boot/4xx.c	2009-03-09 17:58:07.000000000 +0200
@@ -193,9 +193,9 @@
 	val = SDRAM0_READ(DDR0_14);
 
 	if (DDR_GET_VAL(val, DDR_REDUC, DDR_REDUC_SHIFT))
-		dpath = 8; /* 64 bits */
-	else
 		dpath = 4; /* 32 bits */
+	else
+		dpath = 8; /* 64 bits */
 
 	/* get address pins (rows) */
  	val = SDRAM0_READ(DDR0_42);