diff --git a/configs/rk3568_defconfig b/configs/rk3568_defconfig
index 2c5da35112..e7e9ad16d6 100644
--- a/configs/rk3568_defconfig
+++ b/configs/rk3568_defconfig
@@ -93,6 +93,10 @@ CONFIG_REGULATOR_RK8XX=y
 CONFIG_DM_CHARGE_DISPLAY=y
 CONFIG_PWM_ROCKCHIP=y
 CONFIG_RAM=y
+CONFIG_SPL_RAM=y
+CONFIG_TPL_RAM=y
+CONFIG_ROCKCHIP_SDRAM_COMMON=y
+CONFIG_ROCKCHIP_TPL_INIT_DRAM_TYPE=0
 CONFIG_DM_RESET=y
 CONFIG_SPL_DM_RESET=y
 CONFIG_SPL_RESET_ROCKCHIP=y