diff --git a/configs/P1021RDB-PC_NAND_defconfig b/configs/P1021RDB-PC_NAND_defconfig
index ae9de3d..043764b 100644
--- a/configs/P1021RDB-PC_NAND_defconfig
+++ b/configs/P1021RDB-PC_NAND_defconfig
@@ -13,6 +13,7 @@
 CONFIG_TPL_I2C_SUPPORT=y
 CONFIG_TPL_LIBCOMMON_SUPPORT=y
 CONFIG_TPL_LIBGENERIC_SUPPORT=y
+CONFIG_TPL_MPC8XXX_INIT_DDR_SUPPORT=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y