diff --git a/include/common.h b/include/common.h
index 25ab5aa..acdcf69 100644
--- a/include/common.h
+++ b/include/common.h
@@ -319,7 +319,7 @@
 ulong	get_endaddr   (void);
 void	trap_init     (ulong);
 #if defined (CONFIG_4xx)	|| \
-    defined (CONFIG_5xxx)	|| \
+    defined (CONFIG_MPC5xxx)	|| \
     defined (CONFIG_74xx_7xx)	|| \
     defined (CONFIG_74x)	|| \
     defined (CONFIG_75x)	|| \
diff --git a/include/configs/csb272.h b/include/configs/csb272.h
index edec868..ac1cead 100644
--- a/include/configs/csb272.h
+++ b/include/configs/csb272.h
@@ -300,6 +300,7 @@
  *
  */
 #define CFG_I2C_PLL_ADDR	0x58	/* I2C address of AMIS FS6377-01 PLL */
+#define CONFIG_I2CFAST		1	/* enable "i2cfast" env. setting     */
 
 /*
  * Internal Definitions