diff --git a/configs/ls1021aqds_sdcard_ifc_defconfig b/configs/ls1021aqds_sdcard_ifc_defconfig
index 164e8b0..d5f6c5c 100644
--- a/configs/ls1021aqds_sdcard_ifc_defconfig
+++ b/configs/ls1021aqds_sdcard_ifc_defconfig
@@ -93,6 +93,7 @@
 CONFIG_SYS_FSL_DDR3=y
 CONFIG_DDR_ECC=y
 CONFIG_ECC_INIT_VIA_DDRCONTROLLER=y
+CONFIG_SYS_DDR_RAW_TIMING=y
 CONFIG_MPC8XXX_GPIO=y
 CONFIG_DM_I2C=y
 CONFIG_SPL_SYS_I2C_LEGACY=y