diff --git a/arch/arm/dts/rk3566-radxa-cm3-io-u-boot.dtsi b/arch/arm/dts/rk3566-radxa-cm3-io-u-boot.dtsi
index d183e93575..a8c31fecaf 100644
--- a/arch/arm/dts/rk3566-radxa-cm3-io-u-boot.dtsi
+++ b/arch/arm/dts/rk3566-radxa-cm3-io-u-boot.dtsi
@@ -11,6 +11,11 @@
 	};
 };
 
+&sdhci {
+	cap-mmc-highspeed;
+	mmc-ddr-1_8v;
+};
+
 &uart2 {
 	clock-frequency = <24000000>;
 	bootph-all;
diff --git a/configs/radxa-cm3-io-rk3566_defconfig b/configs/radxa-cm3-io-rk3566_defconfig
index 1df9cab79d..dfaacbc883 100644
--- a/configs/radxa-cm3-io-rk3566_defconfig
+++ b/configs/radxa-cm3-io-rk3566_defconfig
@@ -10,9 +10,7 @@ CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
 CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0xc00000
 CONFIG_DEFAULT_DEVICE_TREE="rk3566-radxa-cm3-io"
 CONFIG_ROCKCHIP_RK3568=y
-CONFIG_SPL_ROCKCHIP_BACK_TO_BROM=y
 CONFIG_SPL_ROCKCHIP_COMMON_BOARD=y
-CONFIG_SPL_MMC=y
 CONFIG_SPL_SERIAL=y
 CONFIG_SPL_STACK_R_ADDR=0x600000
 CONFIG_TARGET_EVB_RK3568=y
@@ -23,11 +21,12 @@ CONFIG_SYS_LOAD_ADDR=0xc00800
 CONFIG_DEBUG_UART=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
+CONFIG_SPL_FIT_SIGNATURE=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3566-radxa-cm3-io.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
-CONFIG_SPL_MAX_SIZE=0x20000
+CONFIG_SPL_MAX_SIZE=0x40000
 CONFIG_SPL_PAD_TO=0x7f8000
 CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
 CONFIG_SPL_BSS_START_ADDR=0x4000000
@@ -36,6 +35,7 @@ CONFIG_SPL_BSS_MAX_SIZE=0x4000
 # CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
 CONFIG_SPL_STACK_R=y
 CONFIG_SPL_ATF=y
+CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
@@ -46,7 +46,7 @@ CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIVE=y
-CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
 CONFIG_SPL_REGMAP=y
 CONFIG_SPL_SYSCON=y
 CONFIG_SPL_CLK=y
@@ -70,6 +70,7 @@ CONFIG_PWM_ROCKCHIP=y
 CONFIG_SPL_RAM=y
 CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550_MEM32=y
 CONFIG_SYSRESET=y
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y