diff --git a/configs/roc-cc-rk3308_defconfig b/configs/roc-cc-rk3308_defconfig
index 041fa75..ef58bd6 100644
--- a/configs/roc-cc-rk3308_defconfig
+++ b/configs/roc-cc-rk3308_defconfig
@@ -4,9 +4,9 @@
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_SPL_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="rk3308-roc-cc"
+CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_DM_RESET=y
 CONFIG_ROCKCHIP_RK3308=y
-CONFIG_SPL_DRIVERS_MISC=y
 CONFIG_TARGET_ROC_RK3308_CC=y
 CONFIG_DEBUG_UART_BASE=0xFF0C0000
 CONFIG_DEBUG_UART_CLOCK=24000000
@@ -15,30 +15,20 @@
 CONFIG_ANDROID_BOOT_IMAGE=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
-CONFIG_BOOTDELAY=0
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3308-roc-cc.dtb"
-CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_DISPLAY_CPUINFO is not set
-CONFIG_SPL_MAX_SIZE=0x20000
+CONFIG_SPL_MAX_SIZE=0x40000
 CONFIG_SPL_PAD_TO=0x7f8000
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
-# CONFIG_CMD_BDI is not set
-# CONFIG_CMD_CONSOLE is not set
-# CONFIG_CMD_ELF is not set
-# CONFIG_CMD_IMI is not set
-# CONFIG_CMD_XIMG is not set
+CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
-# CONFIG_CMD_LOADB is not set
-# CONFIG_CMD_LOADS is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_ROCKUSB=y
 CONFIG_CMD_USB_MASS_STORAGE=y
-# CONFIG_CMD_ITEST is not set
-# CONFIG_CMD_SETEXPR is not set
-# CONFIG_CMD_SLEEP is not set
-# CONFIG_SPL_DOS_PARTITION is not set
-# CONFIG_ISO_PARTITION is not set
-CONFIG_EFI_PARTITION_ENTRIES_NUMBERS=64
+CONFIG_CMD_RNG=y
+CONFIG_CMD_KASLRSEED=y
+CONFIG_CMD_REGULATOR=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIVE=y
 CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
@@ -52,27 +42,30 @@
 CONFIG_SUPPORT_EMMC_RPMB=y
 CONFIG_MMC_DW=y
 CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DM_ETH_PHY=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_GMAC_ROCKCHIP=y
-CONFIG_PHY=y
+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
 CONFIG_PINCTRL=y
 CONFIG_REGULATOR_PWM=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_SPL_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_PWM_ROCKCHIP=y
 CONFIG_RAM=y
 CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550_MEM32=y
+CONFIG_SYSINFO=y
 CONFIG_SYSRESET=y
 CONFIG_USB=y
+CONFIG_DM_USB_GADGET=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_GENERIC=y
-CONFIG_USB_DWC2=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DWC2_OTG=y
 CONFIG_USB_GADGET_DOWNLOAD=y
-CONFIG_SPL_TINY_MEMSET=y
+CONFIG_USB_FUNCTION_ROCKUSB=y
 CONFIG_LZO=y
 CONFIG_ERRNO_STR=y
-# CONFIG_EFI_LOADER is not set