diff --git a/include/mpc83xx.h b/include/mpc83xx.h
index d2e1e2bb6c8705256568decada830cd0b3f5d25c..3dc926d7bbb37944d037483a531f1bbcaea3a64e 100644
--- a/include/mpc83xx.h
+++ b/include/mpc83xx.h
@@ -820,6 +820,7 @@
 #define CSCONFIG_EN			0x80000000
 #define CSCONFIG_AP			0x00800000
 #define CSCONFIG_ODT_WR_ACS		0x00010000
+#define CSCONFIG_BANK_BIT_3		0x00004000
 #define CSCONFIG_ROW_BIT		0x00000700
 #define CSCONFIG_ROW_BIT_12		0x00000000
 #define CSCONFIG_ROW_BIT_13		0x00000100