diff --git a/include/configs/T4240RDB.h b/include/configs/T4240RDB.h
index c1ad35a018b7ca52ebe3e9a11edbaaccab1492eb..957a436374fbd3f790f412922003e8c28ad5ad9f 100644
--- a/include/configs/T4240RDB.h
+++ b/include/configs/T4240RDB.h
@@ -638,6 +638,7 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_PHYLIB_10G
 #define CONFIG_PHY_VITESSE
 #define CONFIG_PHY_CORTINA
+#define CONFIG_SYS_CORTINA_FW_IN_NOR
 #define CONFIG_CORTINA_FW_ADDR		0xefe00000
 #define CONFIG_CORTINA_FW_LENGTH	0x40000
 #define CONFIG_PHY_TERANETICS