CONFIG_DEFAULT_DEVICE_TREE="rk3399-rock-pi-4"
CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
CONFIG_ENV_IS_IN_MMC=y
+CONFIG_RAM_RK3399_LPDDR4=y
CONFIG_ROCKCHIP_GPIO=y
CONFIG_SYS_I2C_ROCKCHIP=y
CONFIG_MMC_DW=y