[i.MX8MP][D18] init porting derived from nxp imx8mp_evk

arch/arm/dts/Makefile

@@ -898,6 +898,7 @@ dtb-$(CONFIG_ARCH_IMX8M) += \
 	imx8mn-ddr4-ab2.dtb \
 	imx8mn-ddr3l-ab2.dtb \
 	imx8mn-ab2.dtb \
+	seco-imx8mp-d18.dtb \
 	seco-imx8mq-c20.dtb \
 	seco-imx8mq-c12.dtb 
 

arch/arm/dts/seco-imx8mp-d18-u-boot.dtsi

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ */
+#include "imx8mp-sec-def.h"
+
+/ {
+	wdt-reboot {
+		compatible = "wdt-reboot";
+		wdt = <&wdog1>;
+		u-boot,dm-spl;
+	};
+
+	firmware {
+		optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
+
+	mcu_rdc {
+		compatible = "imx8m,mcu_rdc";
+			    /* rdc config when MCU starts
+			     * master
+			     *   SDMA3p --> domain 1
+			     *   SDMA3b --> domian 1
+			     *   SDMA3_SPBA2  --> domian 1
+			     * peripheral:
+			     *   SAI3   --> Only Domian 1 can access
+			     *   UART4  --> Only Domian 1 can access
+			     *   GPT1   --> Only Domian 1 can access
+			     *   SDMA3  --> Only Domian 1 can access
+			     *   I2C3   --> Only Domian 1 can access
+			     * memory:
+			     *   TCM    --> Only Domian 1 can access (0x7E0000~0x81FFFF)
+			     *   DDR    --> Only Domian 1 can access (0x80000000~0x81000000)
+			     * end.
+			     */
+		start-config = <
+			    RDC_MDA  RDC_MDA_SDMA3p DID1 0x0 0x0
+			    RDC_MDA  RDC_MDA_SDMA3b DID1 0x0 0x0
+			    RDC_MDA  RDC_MDA_SDMA3_SPBA2 DID1 0x0 0x0
+			    RDC_PDAP RDC_PDAP_SAI3  PDAP_D1_ACCESS 0x0 0x0
+			    RDC_PDAP RDC_PDAP_UART4 PDAP_D1_ACCESS 0x0 0x0
+			    RDC_PDAP RDC_PDAP_GPT1  PDAP_D1_ACCESS 0x0 0x0
+			    RDC_PDAP RDC_PDAP_SDMA3 PDAP_D1_ACCESS 0x0 0x0
+			    RDC_PDAP RDC_PDAP_I2C3  PDAP_D1_ACCESS 0x0 0x0
+			    RDC_MEM_REGION 22 TCM_START TCM_END MEM_D1_ACCESS
+			    RDC_MEM_REGION 39 M4_DDR_START M4_DDR_END MEM_D1_ACCESS
+			    0x0      0x0            0x0  0x0 0x0
+			  >;
+			    /* rdc config when MCU stops
+			     * memory:
+			     *   TCM    --> domain 0/1 can access (0x7E0000~0x81FFFF)
+			     *   DDR    --> domain 0/1 can access (0x80000000~0x81000000)
+			     * end.
+			     */
+		stop-config = <
+			    RDC_MEM_REGION 22 TCM_START TCM_END MEM_D0D1_ACCESS
+			    RDC_MEM_REGION 39 M4_DDR_START M4_DDR_END MEM_D0D1_ACCESS
+			    0x0      0x0            0x0  0x0 0x0
+			  >;
+	};
+};
+
+&{/soc@0} {
+	u-boot,dm-pre-reloc;
+	u-boot,dm-spl;
+};
+
+&clk {
+	u-boot,dm-spl;
+	u-boot,dm-pre-reloc;
+	/delete-property/ assigned-clocks;
+	/delete-property/ assigned-clock-parents;
+	/delete-property/ assigned-clock-rates;
+
+};
+
+&osc_32k {
+	u-boot,dm-spl;
+	u-boot,dm-pre-reloc;
+};
+
+&osc_24m {
+	u-boot,dm-spl;
+	u-boot,dm-pre-reloc;
+};
+
+&aips1 {
+	u-boot,dm-spl;
+	u-boot,dm-pre-reloc;
+};
+
+&aips2 {
+	u-boot,dm-spl;
+};
+
+&aips3 {
+	u-boot,dm-spl;
+};
+
+&iomuxc {
+	u-boot,dm-spl;
+};
+
+&pinctrl_reg_usdhc2_vmmc {
+	u-boot,dm-spl;
+};
+
+&reg_usdhc2_vmmc {
+	u-boot,dm-spl;
+	u-boot,off-on-delay-us = <20000>;
+};
+
+&pinctrl_uart2 {
+	u-boot,dm-spl;
+};
+
+&pinctrl_usdhc2_gpio {
+	u-boot,dm-spl;
+};
+
+&pinctrl_usdhc2 {
+	u-boot,dm-spl;
+};
+
+&pinctrl_usdhc3 {
+	u-boot,dm-spl;
+};
+
+&gpio1 {
+	u-boot,dm-spl;
+};
+
+&gpio2 {
+	u-boot,dm-spl;
+};
+
+&gpio3 {
+	u-boot,dm-spl;
+};
+
+&gpio4 {
+	u-boot,dm-spl;
+};
+
+&gpio5 {
+	u-boot,dm-spl;
+};
+
+&uart2 {
+	u-boot,dm-spl;
+};
+
+&crypto {
+	u-boot,dm-spl;
+};
+
+&sec_jr0 {
+	u-boot,dm-spl;
+};
+
+&sec_jr1 {
+	u-boot,dm-spl;
+};
+
+&sec_jr2 {
+	u-boot,dm-spl;
+};
+
+&i2c1 {
+	u-boot,dm-spl;
+};
+
+&i2c2 {
+	u-boot,dm-spl;
+};
+
+&i2c3 {
+	u-boot,dm-spl;
+};
+
+&pinctrl_i2c1 {
+	u-boot,dm-spl;
+};
+
+&pinctrl_i2c1_gpio {
+	u-boot,dm-spl;
+};
+
+&usdhc1 {
+	u-boot,dm-spl;
+	assigned-clocks = <&clk IMX8MP_CLK_USDHC1>;
+	assigned-clock-rates = <400000000>;
+	assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_400M>;
+};
+
+&usdhc2 {
+	u-boot,dm-spl;
+	sd-uhs-sdr104;
+	sd-uhs-ddr50;
+	assigned-clocks = <&clk IMX8MP_CLK_USDHC2>;
+	assigned-clock-rates = <400000000>;
+	assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_400M>;
+};
+
+&usdhc3 {
+	u-boot,dm-spl;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	assigned-clocks = <&clk IMX8MP_CLK_USDHC3>;
+	assigned-clock-rates = <400000000>;
+	assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_400M>;
+};
+
+&wdog1 {
+	u-boot,dm-spl;
+};
+
+&{/soc@0/bus@30800000/i2c@30a20000/pca9450@25} {
+	u-boot,dm-spl;
+};
+
+&{/soc@0/bus@30800000/i2c@30a20000/pca9450@25/regulators} {
+	u-boot,dm-spl;
+};
+
+&pinctrl_pmic {
+	u-boot,dm-spl;
+};
+
+&eqos {
+	compatible = "fsl,imx-eqos";
+	/delete-property/ assigned-clocks;
+	/delete-property/ assigned-clock-parents;
+	/delete-property/ assigned-clock-rates;
+
+	phy-reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
+	phy-reset-duration = <15>;
+	phy-reset-post-delay = <100>;
+};
+
+&fec {
+	phy-reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
+	phy-reset-duration = <15>;
+	phy-reset-post-delay = <100>;
+};
+
+&flexspi {
+	assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_400M>;
+};
+
+&lcdif1 {
+	/delete-property/ assigned-clocks;
+	/delete-property/ assigned-clock-parents;
+	/delete-property/ assigned-clock-rates;
+};
+
+&mipi_dsi {
+	/delete-property/ assigned-clocks;
+	/delete-property/ assigned-clock-parents;
+	/delete-property/ assigned-clock-rates;
+};
+
+&usb3_0 {
+	dma-ranges = <0x40000000 0x40000000 0xc0000000>;
+	/delete-property/ power-domains;
+};
+
+&usb3_1 {
+	dma-ranges = <0x40000000 0x40000000 0xc0000000>;
+	/delete-property/ power-domains;
+};
+
+&usb_dwc3_0 {
+	compatible = "fsl,imx8mq-dwc3", "snps,dwc3";
+	assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>;
+	assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_800M>;
+	assigned-clock-rates = <400000000>;
+};
+
+&usb_dwc3_1 {
+	compatible = "fsl,imx8mq-dwc3", "snps,dwc3";
+	assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>;
+	assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_800M>;
+	assigned-clock-rates = <400000000>;
+};

arch/arm/dts/seco-imx8mp-d18.dts

+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2019 NXP
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/usb/pd.h>
+#include "imx8mp.dtsi"
+
+/ {
+	model = "SECO i.MX8MPlus LPDDR4 D18 board";
+	compatible = "seco,imx8mp-d18", "fsl,imx8mp-evk", "fsl,imx8mp";
+
+	chosen {
+		bootargs = "console=ttymxc1,115200";
+		stdout-path = &uart2;
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio_led>;
+
+		status {
+			label = "yellow:status";
+			gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0x0 0x40000000 0 0xc0000000>,
+		      <0x1 0x00000000 0 0xc0000000>;
+	};
+
+	reg_can1_stby: regulator-can1-stby {
+		compatible = "regulator-fixed";
+		regulator-name = "can1-stby";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_flexcan1_reg>;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio5 5 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	reg_can2_stby: regulator-can2-stby {
+		compatible = "regulator-fixed";
+		regulator-name = "can2-stby";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_flexcan2_reg>;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	reg_usdhc2_vmmc: regulator-usdhc2 {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
+		regulator-name = "VSD_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		startup-delay-us = <100>;
+		off-on-delay-us = <12000>;
+	};
+
+	dsi_host: dsi-host {
+		compatible = "samsung,sec-mipi-dsi";
+		status = "okay";
+	};
+
+	rm67199_panel {
+		compatible = "raydium,rm67199";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_mipi_dsi_en>;
+		reset-gpio = <&gpio1 8 GPIO_ACTIVE_LOW>;
+		dsi-lanes = <4>;
+		video-mode = <2>;	/* 0: burst mode
+					 * 1: non-burst mode with sync event
+					 * 2: non-burst mode with sync pulse
+					 */
+		panel-width-mm = <68>;
+		panel-height-mm = <121>;
+		status = "okay";
+
+		port {
+			rm67191_from_dsim: endpoint {
+				remote-endpoint = <&dsim_to_rm67191>;
+			};
+		};
+	};
+
+	cbtl04gp {
+		compatible = "nxp,cbtl04gp";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_typec_mux>;
+		switch-gpios = <&gpio4 20 GPIO_ACTIVE_LOW>;
+		orientation-switch;
+
+		port {
+			usb3_data_ss: endpoint {
+				remote-endpoint = <&typec_con_ss>;
+			};
+		};
+	};
+};
+
+&eqos {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_eqos>;
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethphy0>;
+	status = "okay";
+
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: ethernet-phy@1 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <1>;
+			eee-broken-1000t;
+		};
+	};
+};
+
+&flexcan1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan1>;
+	xceiver-supply = <&reg_can1_stby>;
+	status = "okay";
+};
+
+&flexcan2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan2>;
+	xceiver-supply = <&reg_can2_stby>;
+	status = "disabled";/* can2 pin conflict with pdm */
+};
+
+&fec {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fec>;
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethphy1>;
+	fsl,magic-packet;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy1: ethernet-phy@1 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <1>;
+			eee-broken-1000t;
+		};
+	};
+};
+
+&flexspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexspi0>;
+	status = "okay";
+
+	flash0: mt25qu256aba@0 {
+		reg = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <80000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+	};
+};
+
+&i2c1 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default", "gpio";
+	pinctrl-0 = <&pinctrl_i2c1>;
+	pinctrl-1 = <&pinctrl_i2c1_gpio>;
+	scl-gpios = <&gpio5 14 GPIO_ACTIVE_HIGH>;
+	sda-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+
+	pmic: pca9450@25 {
+		reg = <0x25>;
+		compatible = "nxp,pca9450c";
+		/* PMIC PCA9450 PMIC_nINT GPIO1_IO3 */
+		pinctrl-0 = <&pinctrl_pmic>;
+		gpio_intr = <&gpio1 3 GPIO_ACTIVE_LOW>;
+
+		regulators {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			pca9450,pmic-buck2-uses-i2c-dvs;
+			/* Run/Standby voltage */
+			pca9450,pmic-buck2-dvs-voltage = <950000>, <850000>;
+
+			buck1_reg: regulator@0 {
+				reg = <0>;
+				regulator-compatible = "buck1";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <3125>;
+			};
+
+			buck2_reg: regulator@1 {
+				reg = <1>;
+				regulator-compatible = "buck2";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <3125>;
+			};
+
+			buck4_reg: regulator@3 {
+				reg = <3>;
+				regulator-compatible = "buck4";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck5_reg: regulator@4 {
+				reg = <4>;
+				regulator-compatible = "buck5";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck6_reg: regulator@5 {
+				reg = <5>;
+				regulator-compatible = "buck6";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo1_reg: regulator@6 {
+				reg = <6>;
+				regulator-compatible = "ldo1";
+				regulator-min-microvolt = <1600000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo2_reg: regulator@7 {
+				reg = <7>;
+				regulator-compatible = "ldo2";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1150000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo3_reg: regulator@8 {
+				reg = <8>;
+				regulator-compatible = "ldo3";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo4_reg: regulator@9 {
+				reg = <9>;
+				regulator-compatible = "ldo4";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo5_reg: regulator@10 {
+				reg = <10>;
+				regulator-compatible = "ldo5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+		};
+	};
+};
+
+&i2c2 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default", "gpio";
+	pinctrl-0 = <&pinctrl_i2c2>;
+	pinctrl-1 = <&pinctrl_i2c2_gpio>;
+	scl-gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>;
+	sda-gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+
+	adv_bridge: adv7535@3d {
+		compatible = "adi,adv7533";
+		reg = <0x3d>;
+		adi,addr-cec = <0x3c>;
+		adi,dsi-lanes = <4>;
+		status = "okay";
+
+		port {
+			adv7535_from_dsim: endpoint {
+				remote-endpoint = <&dsim_to_adv7535>;
+			};
+		};
+	};
+
+	ptn5110: tcpc@50 {
+		compatible = "nxp,ptn5110";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_typec>;
+		reg = <0x50>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <19 8>;
+
+		port {
+			typec_dr_sw: endpoint {
+				remote-endpoint = <&usb3_drd_sw>;
+			};
+		};
+
+		usb_con: connector {
+			compatible = "usb-c-connector";
+			label = "USB-C";
+			power-role = "dual";
+			data-role = "dual";
+			try-power-role = "sink";
+			source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+			sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)
+				     PDO_VAR(5000, 20000, 3000)>;
+			op-sink-microwatt = <15000000>;
+			self-powered;
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@1 {
+					reg = <1>;
+					typec_con_ss: endpoint {
+						remote-endpoint = <&usb3_data_ss>;
+					};
+				};
+			};
+		};
+	};
+};
+
+&i2c3 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default", "gpio";
+	pinctrl-0 = <&pinctrl_i2c3>;
+	pinctrl-1 = <&pinctrl_i2c3_gpio>;
+	scl-gpios = <&gpio5 18 GPIO_ACTIVE_HIGH>;
+	sda-gpios = <&gpio5 19 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+
+	pca6416: gpio@20 {
+		compatible = "ti,tca6416";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+&lcdif1 {
+	status = "okay";
+};
+
+&mipi_dsi {
+	status = "okay";
+
+	port@1 {
+		dsim_to_adv7535: endpoint {
+			remote-endpoint = <&adv7535_from_dsim>;
+		};
+	};
+
+	port@2 {
+		dsim_to_rm67191: endpoint {
+			remote-endpoint = <&rm67191_from_dsim>;
+		};
+	};
+};
+
+&snvs_pwrkey {
+	status = "okay";
+};
+
+&uart2 {
+	/* console */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2>;
+	status = "okay";
+};
+
+&usb3_phy0 {
+	vbus-power-supply = <&ptn5110>;
+	fsl,phy-tx-vref-tune = <0xe>;
+	fsl,phy-tx-preemp-amp-tune = <3>;
+	fsl,phy-tx-vboost-level = <5>;
+	fsl,phy-comp-dis-tune = <7>;
+	fsl,pcs-tx-deemph-3p5db = <0x21>;
+	fsl,phy-pcs-tx-swing-full = <0x7f>;
+	status = "okay";
+};
+
+&usb3_0 {
+	status = "okay";
+};
+
+&usb_dwc3_0 {
+	dr_mode = "otg";
+	hnp-disable;
+	srp-disable;
+	adp-disable;
+	usb-role-switch;
+	role-switch-default-mode = "none";
+	status = "okay";
+
+	port {
+		usb3_drd_sw: endpoint {
+			remote-endpoint = <&typec_dr_sw>;
+		};
+	};
+};
+
+&usb3_phy1 {
+	fsl,phy-tx-preemp-amp-tune = <3>;
+	fsl,phy-tx-vref-tune = <0xb>;
+	status = "okay";
+};
+
+&usb3_1 {
+	status = "okay";
+};
+
+&usb_dwc3_1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb1_vbus>;
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usdhc2 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
+	pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
+	cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&reg_usdhc2_vmmc>;
+	bus-width = <4>;
+	status = "okay";
+};
+
+&usdhc3 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc3>;
+	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
+&wdog1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,ext-reset-output;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+
+	pinctrl_eqos: eqosgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC	0x3
+			MX8MP_IOMUXC_ENET_MDIO__ENET_QOS_MDIO	0x3
+			MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0	0x91
+			MX8MP_IOMUXC_ENET_RD1__ENET_QOS_RGMII_RD1	0x91
+			MX8MP_IOMUXC_ENET_RD2__ENET_QOS_RGMII_RD2	0x91
+			MX8MP_IOMUXC_ENET_RD3__ENET_QOS_RGMII_RD3	0x91
+			MX8MP_IOMUXC_ENET_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK	0x91
+			MX8MP_IOMUXC_ENET_RX_CTL__ENET_QOS_RGMII_RX_CTL	0x91
+			MX8MP_IOMUXC_ENET_TD0__ENET_QOS_RGMII_TD0		0x1f
+			MX8MP_IOMUXC_ENET_TD1__ENET_QOS_RGMII_TD1		0x1f
+			MX8MP_IOMUXC_ENET_TD2__ENET_QOS_RGMII_TD2		0x1f
+			MX8MP_IOMUXC_ENET_TD3__ENET_QOS_RGMII_TD3		0x1f
+			MX8MP_IOMUXC_ENET_TX_CTL__ENET_QOS_RGMII_TX_CTL	0x1f
+			MX8MP_IOMUXC_ENET_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK	0x1f
+			MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22		0x19
+		>;
+	};
+
+	pinctrl_fec: fecgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI1_RXD2__ENET1_MDC		0x3
+			MX8MP_IOMUXC_SAI1_RXD3__ENET1_MDIO		0x3
+			MX8MP_IOMUXC_SAI1_RXD4__ENET1_RGMII_RD0		0x91
+			MX8MP_IOMUXC_SAI1_RXD5__ENET1_RGMII_RD1		0x91
+			MX8MP_IOMUXC_SAI1_RXD6__ENET1_RGMII_RD2		0x91
+			MX8MP_IOMUXC_SAI1_RXD7__ENET1_RGMII_RD3		0x91
+			MX8MP_IOMUXC_SAI1_TXC__ENET1_RGMII_RXC		0x91
+			MX8MP_IOMUXC_SAI1_TXFS__ENET1_RGMII_RX_CTL	0x91
+			MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0		0x1f
+			MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1		0x1f
+			MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2		0x1f
+			MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3		0x1f
+			MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL	0x1f
+			MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC		0x1f
+			MX8MP_IOMUXC_SAI1_RXD0__GPIO4_IO02		0x19
+		>;
+	};
+
+	pinctrl_flexcan1: flexcan1grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SPDIF_RX__CAN1_RX          0x154
+			MX8MP_IOMUXC_SPDIF_TX__CAN1_TX          0x154
+		>;
+	};
+
+	pinctrl_flexcan2: flexcan2grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI5_MCLK__CAN2_RX         0x154
+			MX8MP_IOMUXC_SAI5_RXD3__CAN2_TX         0x154
+		>;
+	};
+
+	pinctrl_flexcan1_reg: flexcan1reggrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SPDIF_EXT_CLK__GPIO5_IO05  0x154   /* CAN1_STBY */
+		>;
+	};
+
+	pinctrl_flexcan2_reg: flexcan2reggrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI2_MCLK__GPIO4_IO27      0x154   /* CAN2_STBY */
+		>;
+	};
+
+	pinctrl_flexspi0: flexspi0grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_ALE__FLEXSPI_A_SCLK		0x1c2
+			MX8MP_IOMUXC_NAND_CE0_B__FLEXSPI_A_SS0_B	0x82
+			MX8MP_IOMUXC_NAND_DATA00__FLEXSPI_A_DATA00	0x82
+			MX8MP_IOMUXC_NAND_DATA01__FLEXSPI_A_DATA01	0x82
+			MX8MP_IOMUXC_NAND_DATA02__FLEXSPI_A_DATA02	0x82
+			MX8MP_IOMUXC_NAND_DATA03__FLEXSPI_A_DATA03	0x82
+		>;
+	};
+
+	pinctrl_gpio_led: gpioledgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16	0x19
+		>;
+	};
+
+	pinctrl_i2c1: i2c1grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL		0x400001c3
+			MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA		0x400001c3
+		>;
+	};
+
+	pinctrl_i2c2: i2c2grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL			0x400001c3
+			MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA			0x400001c3
+		>;
+	};
+
+	pinctrl_i2c3: i2c3grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL			0x400001c3
+			MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA			0x400001c3
+		>;
+	};
+
+	pinctrl_i2c1_gpio: i2c1grp-gpio {
+		fsl,pins = <
+			MX8MP_IOMUXC_I2C1_SCL__GPIO5_IO14        	0x1c3
+			MX8MP_IOMUXC_I2C1_SDA__GPIO5_IO15        	0x1c3
+		>;
+	};
+
+	pinctrl_i2c2_gpio: i2c2grp-gpio {
+		fsl,pins = <
+			MX8MP_IOMUXC_I2C2_SCL__GPIO5_IO16        	0x1c3
+			MX8MP_IOMUXC_I2C2_SDA__GPIO5_IO17        	0x1c3
+		>;
+	};
+
+	pinctrl_i2c3_gpio: i2c3grp-gpio {
+		fsl,pins = <
+			MX8MP_IOMUXC_I2C3_SCL__GPIO5_IO18        	0x1c3
+			MX8MP_IOMUXC_I2C3_SDA__GPIO5_IO19        	0x1c3
+		>;
+	};
+
+	pinctrl_mipi_dsi_en: mipi_dsi_en {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO08__GPIO1_IO08	0x16
+		>;
+	};
+
+	pinctrl_pmic: pmicirq {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03	0x41
+		>;
+	};
+
+	pinctrl_typec: typec1grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI1_TXD7__GPIO4_IO19	0x1c4
+		>;
+	};
+
+	pinctrl_typec_mux: typec1muxgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SAI1_MCLK__GPIO4_IO20	0x16
+		>;
+	};
+
+	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmc {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19	0x41
+		>;
+	};
+
+	pinctrl_uart2: uart2grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX	0x49
+			MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX	0x49
+		>;
+	};
+
+	pinctrl_usb1_vbus: usb1grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO14__USB2_OTG_PWR	0x19
+		>;
+	};
+
+	pinctrl_usdhc2: usdhc2grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x190
+			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD	0x1d0
+			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0	0x1d0
+			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1	0x1d0
+			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2	0x1d0
+			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3	0x1d0
+			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT	0xc1
+		>;
+	};
+
+	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x194
+			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD	0x1d4
+			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0	0x1d4
+			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1	0x1d4
+			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2	0x1d4
+			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3	0x1d4
+			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc1
+		>;
+	};
+
+	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK	0x196
+			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD	0x1d6
+			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0	0x1d6
+			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1	0x1d6
+			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2	0x1d6
+			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3	0x1d6
+			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT 0xc1
+		>;
+	};
+
+	pinctrl_usdhc2_gpio: usdhc2gpiogrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12	0x1c4
+		>;
+	};
+
+	pinctrl_usdhc3: usdhc3grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK	0x190
+			MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD	0x1d0
+			MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0	0x1d0
+			MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1	0x1d0
+			MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2	0x1d0
+			MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3	0x1d0
+			MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4	0x1d0
+			MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5	0x1d0
+			MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6	0x1d0
+			MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7	0x1d0
+			MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE	0x190
+		>;
+	};
+
+	pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK	0x194
+			MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD	0x1d4
+			MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0	0x1d4
+			MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1	0x1d4
+			MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2	0x1d4
+			MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3	0x1d4
+			MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4	0x1d4
+			MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5	0x1d4
+			MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6	0x1d4
+			MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7	0x1d4
+			MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE	0x194
+		>;
+	};
+
+	pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK	0x196
+			MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD	0x1d6
+			MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0	0x1d6
+			MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1	0x1d6
+			MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2	0x1d6
+			MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3	0x1d6
+			MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4	0x1d6
+			MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5	0x1d6
+			MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6	0x1d6
+			MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7	0x1d6
+			MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE	0x196
+		>;
+	};
+
+	pinctrl_wdog: wdoggrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B	0xc6
+		>;
+	};
+};

arch/arm/mach-imx/imx8m/Kconfig

@@ -174,6 +174,16 @@ config TARGET_IMX8MP_EVK
 	select MISC
 	select SPL_CRYPTO_SUPPORT if SPL
 
+config TARGET_SECO_IMX8MP_D18
+	bool "SECO imx8mp D18 LPDDR4 board"
+	select IMX8MP
+	select SUPPORT_SPL
+	select IMX8M_LPDDR4
+	select FSL_CAAM
+	select FSL_BLOB
+	select MISC
+	select SPL_CRYPTO_SUPPORT if SPL
+
 config TARGET_PICO_IMX8MQ
 	bool "Support Technexion Pico iMX8MQ"
 	select IMX8MQ
@@ -285,6 +295,7 @@ source "board/beacon/imx8mm/Kconfig"
 source "board/beacon/imx8mn/Kconfig"
 source "board/phytec/phycore_imx8mm/Kconfig"
 source "board/phytec/phycore_imx8mp/Kconfig"
+source "board/seco/imx8mp_d18/Kconfig"
 source "board/seco/imx8mq_c20/Kconfig"
 source "board/seco/imx8mq_c12/Kconfig"
 source "board/seco/Kconfig"

board/seco/imx8mp_d18/Kconfig

+if TARGET_SECO_IMX8MP_D18
+
+config SYS_BOARD
+        default "imx8mp_d18"
+
+config SYS_VENDOR
+        default "seco"
+
+config SYS_CONFIG_NAME
+        default "seco_imx8mp_d18"
+
+source "board/seco/common/Kconfig"
+
+endif

board/seco/imx8mp_d18/MAINTAINERS

+TARGET_SECO_IMX8MP_D18
+M:	Gianfranco Mariotti <gianfranco.mariotti@seco.com>
+S:	Maintained
+F:  board/seco/imx8mp_d18/
+F:  include/configs/seco_imx8mp_d18.h
+F:  configs/seco_imx8mp_d18_defconfig

board/seco/imx8mp_d18/Makefile

+#
+# Copyright 2023 SECO
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += imx8mp_d18.o
+
+ifdef CONFIG_SPL_BUILD
+obj-y += spl.o
+
+obj-$(CONFIG_IMX8M_LPDDR4) += lpddr4_timing.o
+endif

board/seco/imx8mp_d18/imx8mp_d18.c

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ */
+
+#include <common.h>
+#include <env.h>
+#include <errno.h>
+#include <init.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <linux/delay.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm-generic/gpio.h>
+#include <asm/arch/imx8mp_pins.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/mach-imx/gpio.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <spl.h>
+#include <asm/mach-imx/dma.h>
+#include <power/pmic.h>
+#include "../common/tcpc.h"
+#include <usb.h>
+#include <dwc3-uboot.h>
+#include <imx_sip.h>
+#include <linux/arm-smccc.h>
+#include <mmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_FSEL1)
+#define WDOG_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
+
+static iomux_v3_cfg_t const uart_pads[] = {
+	MX8MP_PAD_UART2_RXD__UART2_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX8MP_PAD_UART2_TXD__UART2_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const wdog_pads[] = {
+	MX8MP_PAD_GPIO1_IO02__WDOG1_WDOG_B  | MUX_PAD_CTRL(WDOG_PAD_CTRL),
+};
+
+#ifdef CONFIG_NAND_MXS
+
+static void setup_gpmi_nand(void)
+{
+	init_nand_clk();
+}
+#endif
+
+int board_early_init_f(void)
+{
+	struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
+
+	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
+
+	set_wdog_reset(wdog);
+
+	imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
+
+	init_uart_clk(1);
+
+	return 0;
+}
+
+#ifdef CONFIG_OF_BOARD_SETUP
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+#ifdef CONFIG_IMX8M_DRAM_INLINE_ECC
+#ifdef CONFIG_TARGET_IMX8MP_DDR4_EVK
+	int rc;
+	phys_addr_t ecc_start = 0x120000000;
+	size_t ecc_size = 0x20000000;
+
+	rc = add_res_mem_dt_node(blob, "ecc", ecc_start, ecc_size);
+	if (rc < 0) {
+		printf("Could not create ecc reserved-memory node.\n");
+		return rc;
+	}
+#else
+	int rc;
+	phys_addr_t ecc0_start = 0xb0000000;
+	phys_addr_t ecc1_start = 0x130000000;
+	phys_addr_t ecc2_start = 0x1b0000000;
+	size_t ecc_size = 0x10000000;
+
+	rc = add_res_mem_dt_node(blob, "ecc", ecc0_start, ecc_size);
+	if (rc < 0) {
+		printf("Could not create ecc0 reserved-memory node.\n");
+		return rc;
+	}
+
+	rc = add_res_mem_dt_node(blob, "ecc", ecc1_start, ecc_size);
+	if (rc < 0) {
+		printf("Could not create ecc1 reserved-memory node.\n");
+		return rc;
+	}
+
+	rc = add_res_mem_dt_node(blob, "ecc", ecc2_start, ecc_size);
+	if (rc < 0) {
+		printf("Could not create ecc2 reserved-memory node.\n");
+		return rc;
+	}
+#endif
+#endif
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_USB_TCPC
+struct tcpc_port port1;
+struct tcpc_port port2;
+
+static int setup_pd_switch(uint8_t i2c_bus, uint8_t addr)
+{
+	struct udevice *bus;
+	struct udevice *i2c_dev = NULL;
+	int ret;
+	uint8_t valb;
+
+	ret = uclass_get_device_by_seq(UCLASS_I2C, i2c_bus, &bus);
+	if (ret) {
+		printf("%s: Can't find bus\n", __func__);
+		return -EINVAL;
+	}
+
+	ret = dm_i2c_probe(bus, addr, 0, &i2c_dev);
+	if (ret) {
+		printf("%s: Can't find device id=0x%x\n",
+			__func__, addr);
+		return -ENODEV;
+	}
+
+	ret = dm_i2c_read(i2c_dev, 0xB, &valb, 1);
+	if (ret) {
+		printf("%s dm_i2c_read failed, err %d\n", __func__, ret);
+		return -EIO;
+	}
+	valb |= 0x4; /* Set DB_EXIT to exit dead battery mode */
+	ret = dm_i2c_write(i2c_dev, 0xB, (const uint8_t *)&valb, 1);
+	if (ret) {
+		printf("%s dm_i2c_write failed, err %d\n", __func__, ret);
+		return -EIO;
+	}
+
+	/* Set OVP threshold to 23V */
+	valb = 0x6;
+	ret = dm_i2c_write(i2c_dev, 0x8, (const uint8_t *)&valb, 1);
+	if (ret) {
+		printf("%s dm_i2c_write failed, err %d\n", __func__, ret);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int pd_switch_snk_enable(struct tcpc_port *port)
+{
+	if (port == &port1) {
+		debug("Setup pd switch on port 1\n");
+		return setup_pd_switch(1, 0x72);
+	} else
+		return -EINVAL;
+}
+
+/* Port2 is the power supply, port 1 does not support power */
+struct tcpc_port_config port1_config = {
+	.i2c_bus = 1, /*i2c2*/
+	.addr = 0x50,
+	.port_type = TYPEC_PORT_UFP,
+	.max_snk_mv = 20000,
+	.max_snk_ma = 3000,
+	.max_snk_mw = 45000,
+	.op_snk_mv = 15000,
+	.switch_setup_func = &pd_switch_snk_enable,
+	.disable_pd = true,
+};
+
+struct tcpc_port_config port2_config = {
+	.i2c_bus = 2, /*i2c3*/
+	.addr = 0x50,
+	.port_type = TYPEC_PORT_UFP,
+	.max_snk_mv = 20000,
+	.max_snk_ma = 3000,
+	.max_snk_mw = 45000,
+	.op_snk_mv = 15000,
+};
+
+#define USB_TYPEC_SEL IMX_GPIO_NR(4, 20)
+#define USB_TYPEC_EN IMX_GPIO_NR(2, 20)
+
+static iomux_v3_cfg_t ss_mux_gpio[] = {
+	MX8MP_PAD_SAI1_MCLK__GPIO4_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL),
+	MX8MP_PAD_SD2_WP__GPIO2_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+void ss_mux_select(enum typec_cc_polarity pol)
+{
+	if (pol == TYPEC_POLARITY_CC1)
+		gpio_direction_output(USB_TYPEC_SEL, 0);
+	else
+		gpio_direction_output(USB_TYPEC_SEL, 1);
+}
+
+static int setup_typec(void)
+{
+	int ret;
+	struct gpio_desc per_12v_desc;
+
+	debug("tcpc_init port 2\n");
+	ret = tcpc_init(&port2, port2_config, NULL);
+	if (ret) {
+		printf("%s: tcpc port2 init failed, err=%d\n",
+		       __func__, ret);
+	} else if (tcpc_pd_sink_check_charging(&port2)) {
+		printf("Power supply on USB2\n");
+
+		/* Enable PER 12V, any check before it? */
+		ret = dm_gpio_lookup_name("gpio@20_1", &per_12v_desc);
+		if (ret) {
+			printf("%s lookup gpio@20_1 failed ret = %d\n", __func__, ret);
+			return -ENODEV;
+		}
+
+		ret = dm_gpio_request(&per_12v_desc, "per_12v_en");
+		if (ret) {
+			printf("%s request per_12v failed ret = %d\n", __func__, ret);
+			return -EIO;
+		}
+
+		/* Enable PER 12V regulator */
+		dm_gpio_set_dir_flags(&per_12v_desc, GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
+	}
+
+	debug("tcpc_init port 1\n");
+	imx_iomux_v3_setup_multiple_pads(ss_mux_gpio, ARRAY_SIZE(ss_mux_gpio));
+	gpio_request(USB_TYPEC_SEL, "typec_sel");
+	gpio_request(USB_TYPEC_EN, "typec_en");
+	gpio_direction_output(USB_TYPEC_EN, 0);
+
+	ret = tcpc_init(&port1, port1_config, &ss_mux_select);
+	if (ret) {
+		printf("%s: tcpc port1 init failed, err=%d\n",
+		       __func__, ret);
+	} else {
+		return ret;
+	}
+
+	return ret;
+}
+#endif
+
+#ifdef CONFIG_USB_DWC3
+
+#define USB_PHY_CTRL0			0xF0040
+#define USB_PHY_CTRL0_REF_SSP_EN	BIT(2)
+
+#define USB_PHY_CTRL1			0xF0044
+#define USB_PHY_CTRL1_RESET		BIT(0)
+#define USB_PHY_CTRL1_COMMONONN		BIT(1)
+#define USB_PHY_CTRL1_ATERESET		BIT(3)
+#define USB_PHY_CTRL1_VDATSRCENB0	BIT(19)
+#define USB_PHY_CTRL1_VDATDETENB0	BIT(20)
+
+#define USB_PHY_CTRL2			0xF0048
+#define USB_PHY_CTRL2_TXENABLEN0	BIT(8)
+
+#define USB_PHY_CTRL6			0xF0058
+
+#define HSIO_GPR_BASE                               (0x32F10000U)
+#define HSIO_GPR_REG_0                              (HSIO_GPR_BASE)
+#define HSIO_GPR_REG_0_USB_CLOCK_MODULE_EN_SHIFT    (1)
+#define HSIO_GPR_REG_0_USB_CLOCK_MODULE_EN          (0x1U << HSIO_GPR_REG_0_USB_CLOCK_MODULE_EN_SHIFT)
+
+
+static struct dwc3_device dwc3_device_data = {
+#ifdef CONFIG_SPL_BUILD
+	.maximum_speed = USB_SPEED_HIGH,
+#else
+	.maximum_speed = USB_SPEED_SUPER,
+#endif
+	.base = USB1_BASE_ADDR,
+	.dr_mode = USB_DR_MODE_PERIPHERAL,
+	.index = 0,
+	.power_down_scale = 2,
+};
+
+int usb_gadget_handle_interrupts(int index)
+{
+	dwc3_uboot_handle_interrupt(index);
+	return 0;
+}
+
+static void dwc3_nxp_usb_phy_init(struct dwc3_device *dwc3)
+{
+	u32 RegData;
+
+	/* enable usb clock via hsio gpr */
+	RegData = readl(HSIO_GPR_REG_0);
+	RegData |= HSIO_GPR_REG_0_USB_CLOCK_MODULE_EN;
+	writel(RegData, HSIO_GPR_REG_0);
+
+	/* USB3.0 PHY signal fsel for 100M ref */
+	RegData = readl(dwc3->base + USB_PHY_CTRL0);
+	RegData = (RegData & 0xfffff81f) | (0x2a<<5);
+	writel(RegData, dwc3->base + USB_PHY_CTRL0);
+
+	RegData = readl(dwc3->base + USB_PHY_CTRL6);
+	RegData &=~0x1;
+	writel(RegData, dwc3->base + USB_PHY_CTRL6);
+
+	RegData = readl(dwc3->base + USB_PHY_CTRL1);
+	RegData &= ~(USB_PHY_CTRL1_VDATSRCENB0 | USB_PHY_CTRL1_VDATDETENB0 |
+			USB_PHY_CTRL1_COMMONONN);
+	RegData |= USB_PHY_CTRL1_RESET | USB_PHY_CTRL1_ATERESET;
+	writel(RegData, dwc3->base + USB_PHY_CTRL1);
+
+	RegData = readl(dwc3->base + USB_PHY_CTRL0);
+	RegData |= USB_PHY_CTRL0_REF_SSP_EN;
+	writel(RegData, dwc3->base + USB_PHY_CTRL0);
+
+	RegData = readl(dwc3->base + USB_PHY_CTRL2);
+	RegData |= USB_PHY_CTRL2_TXENABLEN0;
+	writel(RegData, dwc3->base + USB_PHY_CTRL2);
+
+	RegData = readl(dwc3->base + USB_PHY_CTRL1);
+	RegData &= ~(USB_PHY_CTRL1_RESET | USB_PHY_CTRL1_ATERESET);
+	writel(RegData, dwc3->base + USB_PHY_CTRL1);
+}
+#endif
+
+#if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_IMX8M)
+#define USB2_PWR_EN IMX_GPIO_NR(1, 14)
+int board_usb_init(int index, enum usb_init_type init)
+{
+	int ret = 0;
+	imx8m_usb_power(index, true);
+
+	if (index == 0 && init == USB_INIT_DEVICE) {
+#ifdef CONFIG_USB_TCPC
+		ret = tcpc_setup_ufp_mode(&port1);
+		if (ret)
+			return ret;
+#endif
+		dwc3_nxp_usb_phy_init(&dwc3_device_data);
+		return dwc3_uboot_init(&dwc3_device_data);
+	} else if (index == 0 && init == USB_INIT_HOST) {
+#ifdef CONFIG_USB_TCPC
+		ret = tcpc_setup_dfp_mode(&port1);
+#endif
+		return ret;
+	}
+
+	return 0;
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
+	int ret = 0;
+	if (index == 0 && init == USB_INIT_DEVICE) {
+		dwc3_uboot_exit(index);
+	} else if (index == 0 && init == USB_INIT_HOST) {
+#ifdef CONFIG_USB_TCPC
+		ret = tcpc_disable_src_vbus(&port1);
+#endif
+	}
+
+	imx8m_usb_power(index, false);
+
+	return ret;
+}
+
+#ifdef CONFIG_USB_TCPC
+/* Not used so far */
+int board_typec_get_mode(int index)
+{
+	int ret = 0;
+	enum typec_cc_polarity pol;
+	enum typec_cc_state state;
+
+	if (index == 0) {
+		tcpc_setup_ufp_mode(&port1);
+
+		ret = tcpc_get_cc_status(&port1, &pol, &state);
+		if (!ret) {
+			if (state == TYPEC_STATE_SRC_RD_RA || state == TYPEC_STATE_SRC_RD)
+				return USB_INIT_HOST;
+		}
+
+		return USB_INIT_DEVICE;
+	} else {
+		return USB_INIT_HOST;
+	}
+}
+#endif
+#endif
+
+static void setup_fec(void)
+{
+	struct iomuxc_gpr_base_regs *gpr =
+		(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
+
+	/* Enable RGMII TX clk output */
+	setbits_le32(&gpr->gpr[1], BIT(22));
+}
+
+static int setup_eqos(void)
+{
+	struct iomuxc_gpr_base_regs *gpr =
+		(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
+
+	/* set INTF as RGMII, enable RGMII TXC clock */
+	clrsetbits_le32(&gpr->gpr[1],
+			IOMUXC_GPR_GPR1_GPR_ENET_QOS_INTF_SEL_MASK, BIT(16));
+	setbits_le32(&gpr->gpr[1], BIT(19) | BIT(21));
+
+	return set_clk_eqos(ENET_125MHZ);
+}
+
+#if CONFIG_IS_ENABLED(NET)
+int board_phy_config(struct phy_device *phydev)
+{
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+	return 0;
+}
+#endif
+
+#define DISPMIX				13
+#define MIPI				15
+
+int board_init(void)
+{
+	struct arm_smccc_res res;
+
+#ifdef CONFIG_USB_TCPC
+	setup_typec();
+
+	/* Enable USB power default */
+	imx8m_usb_power(0, true);
+	imx8m_usb_power(1, true);
+#endif
+
+	if (CONFIG_IS_ENABLED(FEC_MXC)) {
+		setup_fec();
+	}
+
+	if (CONFIG_IS_ENABLED(DWC_ETH_QOS)) {
+		setup_eqos();
+	}
+
+#ifdef CONFIG_NAND_MXS
+	setup_gpmi_nand();
+#endif
+
+#if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_IMX8M)
+	init_usb_clk();
+#endif
+
+	/* enable the dispmix & mipi phy power domain */
+	arm_smccc_smc(IMX_SIP_GPC, IMX_SIP_GPC_PM_DOMAIN,
+		      DISPMIX, true, 0, 0, 0, 0, &res);
+	arm_smccc_smc(IMX_SIP_GPC, IMX_SIP_GPC_PM_DOMAIN,
+		      MIPI, true, 0, 0, 0, 0, &res);
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_IS_IN_MMC
+	board_late_mmc_env_init();
+#endif
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+	env_set("board_name", "D18");
+	env_set("board_rev", "iMX8MP");
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_ANDROID_SUPPORT
+bool is_power_key_pressed(void) {
+	return (bool)(!!(readl(SNVS_HPSR) & (0x1 << 6)));
+}
+#endif
+
+#ifdef CONFIG_SPL_MMC_SUPPORT
+#define UBOOT_RAW_SECTOR_OFFSET 0x40
+unsigned long spl_mmc_get_uboot_raw_sector(struct mmc *mmc)
+{
+	u32 boot_dev = spl_boot_device();
+	switch (boot_dev) {
+		case BOOT_DEVICE_MMC2:
+			return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR - UBOOT_RAW_SECTOR_OFFSET;
+		default:
+			return CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR;
+	}
+}
+#endif
+
+#ifdef CONFIG_FSL_FASTBOOT
+#ifdef CONFIG_ANDROID_RECOVERY
+int is_recovery_key_pressing(void)
+{
+	return 0; /* TODO */
+}
+#endif /* CONFIG_ANDROID_RECOVERY */
+#endif /* CONFIG_FSL_FASTBOOT */

board/seco/imx8mp_d18/spl.c

+/*
+ * Copyright 2018-2019 NXP
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <cpu_func.h>
+#include <hang.h>
+#include <image.h>
+#include <init.h>
+#include <log.h>
+#include <spl.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/arch/imx8mp_pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/mach-imx/boot_mode.h>
+#include <power/pmic.h>
+
+#include <power/pca9450.h>
+#include <asm/arch/clock.h>
+#include <dm/uclass.h>
+#include <dm/device.h>
+#include <dm/uclass-internal.h>
+#include <dm/device-internal.h>
+#include <asm/mach-imx/gpio.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <fsl_esdhc_imx.h>
+#include <mmc.h>
+#include <asm/arch/ddr.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int spl_board_boot_device(enum boot_device boot_dev_spl)
+{
+#ifdef CONFIG_SPL_BOOTROM_SUPPORT
+	return BOOT_DEVICE_BOOTROM;
+#else
+	switch (boot_dev_spl) {
+	case SD1_BOOT:
+	case MMC1_BOOT:
+	case SD2_BOOT:
+	case MMC2_BOOT:
+		return BOOT_DEVICE_MMC1;
+	case SD3_BOOT:
+	case MMC3_BOOT:
+		return BOOT_DEVICE_MMC2;
+	case QSPI_BOOT:
+		return BOOT_DEVICE_NOR;
+	case NAND_BOOT:
+		return BOOT_DEVICE_NAND;
+	case USB_BOOT:
+		return BOOT_DEVICE_BOARD;
+	default:
+		return BOOT_DEVICE_NONE;
+	}
+#endif
+}
+
+void spl_dram_init(void)
+{
+	ddr_init(&dram_timing);
+}
+
+#if CONFIG_IS_ENABLED(DM_PMIC_PCA9450)
+int power_init_board(void)
+{
+	struct udevice *dev;
+	int ret;
+
+	ret = pmic_get("pca9450@25", &dev);
+	if (ret == -ENODEV) {
+		puts("No pca9450@25\n");
+		return 0;
+	}
+	if (ret != 0)
+		return ret;
+
+	/* BUCKxOUT_DVS0/1 control BUCK123 output */
+	pmic_reg_write(dev, PCA9450_BUCK123_DVS, 0x29);
+
+#ifdef CONFIG_IMX8M_LPDDR4
+	/*
+	 * increase VDD_SOC to typical value 0.95V before first
+	 * DRAM access, set DVS1 to 0.85v for suspend.
+	 * Enable DVS control through PMIC_STBY_REQ and
+	 * set B1_ENMODE=1 (ON by PMIC_ON_REQ=H)
+	 */
+#ifdef CONFIG_IMX8M_VDD_SOC_850MV
+	/* set DVS0 to 0.85v for special case*/
+	pmic_reg_write(dev, PCA9450_BUCK1OUT_DVS0, 0x14);
+#else
+	pmic_reg_write(dev, PCA9450_BUCK1OUT_DVS0, 0x1C);
+#endif
+	pmic_reg_write(dev, PCA9450_BUCK1OUT_DVS1, 0x14);
+	pmic_reg_write(dev, PCA9450_BUCK1CTRL, 0x59);
+
+	/* Kernel uses OD/OD freq for SOC */
+	/* To avoid timing risk from SOC to ARM,increase VDD_ARM to OD voltage 0.95v */
+	pmic_reg_write(dev, PCA9450_BUCK2OUT_DVS0, 0x1C);
+#elif defined(CONFIG_IMX8M_DDR4)
+	/* DDR4 runs at 3200MTS, uses default ND 0.85v for VDD_SOC and VDD_ARM */
+	pmic_reg_write(dev, PCA9450_BUCK1CTRL, 0x59);
+
+	/* Set NVCC_DRAM to 1.2v for DDR4 */
+	pmic_reg_write(dev, PCA9450_BUCK6OUT, 0x18);
+#endif
+
+	/* set WDOG_B_CFG to cold reset */
+	pmic_reg_write(dev, PCA9450_RESET_CTRL, 0xA1);
+
+	return 0;
+}
+#endif
+
+void spl_board_init(void)
+{
+	struct udevice *dev;
+	uclass_find_first_device(UCLASS_MISC, &dev);
+
+	for (; dev; uclass_find_next_device(&dev)) {
+		if (device_probe(dev))
+			continue;
+	}
+
+	/* Set GIC clock to 500Mhz for OD VDD_SOC. Kernel driver does not allow to change it.
+	 * Should set the clock after PMIC setting done.
+	 * Default is 400Mhz (system_pll1_800m with div = 2) set by ROM for ND VDD_SOC
+	 */
+#if defined(CONFIG_IMX8M_LPDDR4) && !defined(CONFIG_IMX8M_VDD_SOC_850MV)
+	clock_enable(CCGR_GIC, 0);
+	clock_set_target_val(GIC_CLK_ROOT, CLK_ROOT_ON | CLK_ROOT_SOURCE_SEL(5));
+	clock_enable(CCGR_GIC, 1);
+#endif
+
+	puts("Normal Boot\n");
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+	/* Just empty function now - can't decide what to choose */
+	debug("%s: %s\n", __func__, name);
+
+	return 0;
+}
+#endif
+
+void board_init_f(ulong dummy)
+{
+	struct udevice *dev;
+	int ret;
+
+	/* Clear the BSS. */
+	memset(__bss_start, 0, __bss_end - __bss_start);
+
+	arch_cpu_init();
+
+	board_early_init_f();
+
+	timer_init();
+
+	preloader_console_init();
+
+	ret = spl_early_init();
+	if (ret) {
+		debug("spl_early_init() failed: %d\n", ret);
+		hang();
+	}
+
+	ret = uclass_get_device_by_name(UCLASS_CLK,
+					"clock-controller@30380000",
+					&dev);
+	if (ret < 0) {
+		printf("Failed to find clock node. Check device tree\n");
+		hang();
+	}
+
+	enable_tzc380();
+
+	power_init_board();
+
+	/* DDR initialization */
+	spl_dram_init();
+
+	board_init_r(NULL, 0);
+}

configs/seco_imx8mp_d18_defconfig

+CONFIG_ARM=y
+CONFIG_ARCH_IMX8M=y
+CONFIG_SYS_TEXT_BASE=0x40200000
+CONFIG_SPL_GPIO_SUPPORT=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SYS_MALLOC_F_LEN=0x10000
+CONFIG_NR_DRAM_BANKS=3
+CONFIG_SYS_MEMTEST_START=0x60000000
+CONFIG_SYS_MEMTEST_END=0xC0000000
+CONFIG_ENV_SIZE=0x4000
+CONFIG_ENV_OFFSET=0x400000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_SYS_I2C_MXC_I2C1=y
+CONFIG_SYS_I2C_MXC_I2C2=y
+CONFIG_SYS_I2C_MXC_I2C3=y
+CONFIG_DM_GPIO=y
+CONFIG_SPL_TEXT_BASE=0x920000
+CONFIG_TARGET_SECO_IMX8MP_D18=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL=y
+CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000
+CONFIG_DEFAULT_DEVICE_TREE="seco-imx8mp-d18"
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_FIT=y
+CONFIG_FIT_EXTERNAL_OFFSET=0x3000
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_SPL_FIT_GENERATOR="arch/arm/mach-imx/mkimage_fit_atf.sh"
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_OF_SYSTEM_SETUP=y
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/imx8m/imximage-8mp-lpddr4.cfg"
+CONFIG_DEFAULT_FDT_FILE="seco-imx8mp-d18.dtb"
+CONFIG_ARCH_MISC_INIT=y
+CONFIG_BOARD_EARLY_INIT_F=y
+CONFIG_BOARD_LATE_INIT=y
+CONFIG_SPL_BOARD_INIT=y
+CONFIG_SPL_BOOTROM_SUPPORT=y
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_SPL_POWER_SUPPORT=y
+CONFIG_SPL_WATCHDOG_SUPPORT=y
+CONFIG_SYS_PROMPT="u-boot=> "
+# CONFIG_BOOTM_NETBSD is not set
+# CONFIG_CMD_EXPORTENV is not set
+# CONFIG_CMD_IMPORTENV is not set
+CONFIG_CMD_ERASEENV=y
+CONFIG_CMD_NVEDIT_EFI=y
+# CONFIG_CMD_CRC32 is not set
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_CLK=y
+CONFIG_CMD_DFU=y
+CONFIG_CMD_FUSE=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_POWEROFF=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_BMP=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EFIDEBUG=y
+CONFIG_CMD_RTC=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_GETTIME=y
+CONFIG_CMD_TIMER=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_NOWHERE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_DEV=1
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SPL_DM=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_SPL_CLK_COMPOSITE_CCF=y
+CONFIG_CLK_COMPOSITE_CCF=y
+CONFIG_SPL_CLK_IMX8MP=y
+CONFIG_CLK_IMX8MP=y
+CONFIG_DFU_TFTP=y
+CONFIG_DFU_MMC=y
+CONFIG_DFU_RAM=y
+CONFIG_USB_FUNCTION_FASTBOOT=y
+CONFIG_UDP_FUNCTION_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0x42800000
+CONFIG_FASTBOOT_BUF_SIZE=0x40000000
+CONFIG_FASTBOOT_FLASH=y
+CONFIG_MXC_GPIO=y
+CONFIG_DM_PCA953X=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_MXC=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_DM_MMC=y
+CONFIG_SUPPORT_EMMC_RPMB=y
+CONFIG_SUPPORT_EMMC_BOOT=y
+CONFIG_MMC_IO_VOLTAGE=y
+CONFIG_MMC_UHS_SUPPORT=y
+CONFIG_MMC_HS400_ES_SUPPORT=y
+CONFIG_MMC_HS400_SUPPORT=y
+CONFIG_FSL_ESDHC_IMX=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SF_DEFAULT_MODE=0
+CONFIG_SF_DEFAULT_SPEED=40000000
+CONFIG_SPI_FLASH_BAR=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DM_ETH=y
+CONFIG_PHY_GIGE=y
+CONFIG_DWC_ETH_QOS=y
+CONFIG_DWC_ETH_QOS_IMX=y
+CONFIG_FEC_MXC=y
+CONFIG_MII=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_PINCTRL_IMX8M=y
+CONFIG_DM_PMIC=y
+CONFIG_SPL_DM_PMIC_PCA9450=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_EMULATION=y
+CONFIG_MXC_UART=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_NXP_FSPI=y
+CONFIG_SYSRESET=y
+CONFIG_SYSRESET_PSCI=y
+CONFIG_DM_THERMAL=y
+CONFIG_IMX_TMU=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="FSL"
+CONFIG_USB_GADGET_VENDOR_NUM=0x0525
+CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
+CONFIG_SYS_WHITE_ON_BLACK=y
+CONFIG_SPLASH_SCREEN=y
+CONFIG_SPLASH_SCREEN_ALIGN=y
+CONFIG_LZO=y
+CONFIG_BZIP2=y
+CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_EFI_SET_TIME=y
+CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
+CONFIG_EFI_CAPSULE_ON_DISK=y
+CONFIG_EFI_CAPSULE_FIRMWARE_RAW=y
+CONFIG_EFI_SECURE_BOOT=y

include/configs/seco_imx8mp_d18.h

+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2019 NXP
+ */
+
+#ifndef __SECO_IMX8MP_D18_H
+#define __SECO_IMX8MP_D18_H
+
+#include <linux/sizes.h>
+#include <linux/stringify.h>
+#include <asm/arch/imx-regs.h>
+#include "imx_env.h"
+
+#define CONFIG_SYS_BOOTM_LEN		(32 * SZ_1M)
+
+#define CONFIG_SPL_MAX_SIZE		(152 * 1024)
+#define CONFIG_SYS_MONITOR_LEN		(512 * 1024)
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300
+#define CONFIG_SYS_UBOOT_BASE	(QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SPL_STACK		0x96dff0
+#define CONFIG_SPL_BSS_START_ADDR      0x96e000
+#define CONFIG_SPL_BSS_MAX_SIZE		SZ_8K	/* 8 KB */
+#define CONFIG_SYS_SPL_MALLOC_START	0x42200000
+#define CONFIG_SYS_SPL_MALLOC_SIZE	SZ_512K	/* 512 KB */
+
+/* For RAW image gives a error info not panic */
+#define CONFIG_SPL_ABORT_ON_RAW_IMAGE
+
+#if defined(CONFIG_NAND_BOOT)
+#define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SPL_DMA
+#define CONFIG_SPL_NAND_MXS
+#define CONFIG_SPL_NAND_BASE
+#define CONFIG_SPL_NAND_IDENT
+#define CONFIG_SYS_NAND_U_BOOT_OFFS 	0x4000000 /* Put the FIT out of first 64MB boot area */
+
+/* Set a redundant offset in nand FIT mtdpart. The new uuu will burn full boot image (not only FIT part) to the mtdpart, so we check both two offsets */
+#define CONFIG_SYS_NAND_U_BOOT_OFFS_REDUND \
+	(CONFIG_SYS_NAND_U_BOOT_OFFS + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512 - 0x8400)
+#endif
+
+#endif
+
+#define CONFIG_CMD_READ
+#define CONFIG_SERIAL_TAG
+#define CONFIG_FASTBOOT_USB_DEV 0
+
+#define CONFIG_REMAKE_ELF
+/* ENET Config */
+/* ENET1 */
+
+#if defined(CONFIG_CMD_NET)
+#define CONFIG_ETHPRIME                 "eth1" /* Set eqos to primary since we use its MDIO */
+
+#define CONFIG_FEC_XCV_TYPE             RGMII
+#define CONFIG_FEC_MXC_PHYADDR          1
+
+#define DWC_NET_PHYADDR			1
+
+#define PHY_ANEG_TIMEOUT 20000
+
+#endif
+
+#ifdef CONFIG_DISTRO_DEFAULTS
+#define BOOT_TARGET_DEVICES(func) \
+	func(USB, usb, 0) \
+	func(MMC, mmc, 1) \
+	func(MMC, mmc, 2)
+
+#include <config_distro_bootcmd.h>
+#else
+#define BOOTENV
+#endif
+
+/* Link Definitions */
+#define CONFIG_LOADADDR			0x40480000
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+
+#define CONFIG_SYS_INIT_RAM_ADDR	0x40000000
+#define CONFIG_SYS_INIT_RAM_SIZE	0x80000
+#define CONFIG_SYS_INIT_SP_OFFSET \
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+#define CONFIG_ENV_SPI_BUS		CONFIG_SF_DEFAULT_BUS
+#define CONFIG_ENV_SPI_CS		CONFIG_SF_DEFAULT_CS
+#define CONFIG_ENV_SPI_MODE		CONFIG_SF_DEFAULT_MODE
+#define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
+
+#define CONFIG_MMCROOT			"/dev/mmcblk1p2"  /* USDHC2 */
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		SZ_32M
+
+/* Totally 6GB DDR */
+#define CONFIG_SYS_SDRAM_BASE		0x40000000
+#define PHYS_SDRAM			0x40000000
+#define PHYS_SDRAM_SIZE			0xC0000000	/* 3 GB */
+#define PHYS_SDRAM_2			0x100000000
+#ifdef CONFIG_TARGET_IMX8MP_DDR4_EVK
+#define PHYS_SDRAM_2_SIZE		0x40000000	/* 1 GB */
+#else
+#define PHYS_SDRAM_2_SIZE		0xC0000000	/* 3 GB */
+#endif
+
+#define CONFIG_MXC_UART_BASE		UART2_BASE_ADDR
+
+/* Monitor Command Prompt */
+#define CONFIG_SYS_CBSIZE		2048
+#define CONFIG_SYS_MAXARGS		64
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+					sizeof(CONFIG_SYS_PROMPT) + 16)
+
+#define CONFIG_IMX_BOOTAUX
+#define CONFIG_FSL_USDHC
+
+#ifdef CONFIG_TARGET_IMX8MP_DDR4_EVK
+#define CONFIG_SYS_FSL_USDHC_NUM	1
+#else
+#define CONFIG_SYS_FSL_USDHC_NUM	2
+#endif
+#define CONFIG_SYS_FSL_ESDHC_ADDR	0
+
+#define CONFIG_SYS_MMC_IMG_LOAD_PART	1
+
+#ifdef CONFIG_NAND_MXS
+#define CONFIG_CMD_NAND_TRIMFFS
+
+/* NAND stuff */
+#define CONFIG_SYS_MAX_NAND_DEVICE     1
+#define CONFIG_SYS_NAND_BASE           0x20000000
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+#define CONFIG_SYS_NAND_USE_FLASH_BBT
+#endif /* CONFIG_NAND_MXS */
+
+#define CONFIG_SYS_I2C_SPEED		100000
+
+/* USB configs */
+#ifndef CONFIG_SPL_BUILD
+
+#define CONFIG_CMD_USB_MASS_STORAGE
+#define CONFIG_USB_GADGET_MASS_STORAGE
+#define CONFIG_USB_FUNCTION_MASS_STORAGE
+#endif
+
+#define CONFIG_USB_MAX_CONTROLLER_COUNT         2
+#define CONFIG_USBD_HS
+#define CONFIG_USB_GADGET_VBUS_DRAW 2
+
+#ifdef CONFIG_DM_VIDEO
+#define CONFIG_VIDEO_LOGO
+#define CONFIG_BMP_16BPP
+#define CONFIG_BMP_24BPP
+#define CONFIG_BMP_32BPP
+#define CONFIG_VIDEO_BMP_RLE8
+#define CONFIG_VIDEO_BMP_LOGO
+#endif
+
+#ifdef CONFIG_ANDROID_SUPPORT
+#include "imx8mp_evk_android.h"
+#endif
+
+#endif