diff --git a/configs/P1021RDB-PC_SPIFLASH_defconfig b/configs/P1021RDB-PC_SPIFLASH_defconfig
index 350c7d1..ba43fe5 100644
--- a/configs/P1021RDB-PC_SPIFLASH_defconfig
+++ b/configs/P1021RDB-PC_SPIFLASH_defconfig
@@ -12,6 +12,7 @@
 CONFIG_SYS_EXTRA_OPTIONS="P1021RDB,SPIFLASH"
 CONFIG_BOOTDELAY=10
 CONFIG_SPL=y
+CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y