Add support for iMX8MN VAR-SOM-MX8M-NANO board. Enables support for:

- 1GiB DDR4 RAM - 16 GiB eMMC - SD card - Gigabit ethernet - USBOTG1 peripheral - fastboot

Signed-off-by: Ariel D'Alessandro ariel.dalessandro@collabora.com --- MAINTAINERS | 8 + arch/arm/dts/Makefile | 1 + arch/arm/dts/imx8mn-var-som-u-boot.dtsi | 256 +++++++++ arch/arm/dts/imx8mn-var-som.dts | 423 ++++++++++++++ arch/arm/mach-imx/imx8m/Kconfig | 9 + board/variscite/imx8mn_var_som/Kconfig | 17 + board/variscite/imx8mn_var_som/Makefile | 12 + board/variscite/imx8mn_var_som/ddr4_timing.c | 528 ++++++++++++++++++ .../variscite/imx8mn_var_som/imx8mn_var_som.c | 30 + .../imx8mn_var_som/imximage-8mn-ddr4.cfg | 10 + board/variscite/imx8mn_var_som/spl.c | 93 +++ configs/imx8mn_var_som_defconfig | 98 ++++ include/configs/imx8mn_var_som.h | 106 ++++ 13 files changed, 1591 insertions(+) create mode 100644 arch/arm/dts/imx8mn-var-som-u-boot.dtsi create mode 100644 arch/arm/dts/imx8mn-var-som.dts create mode 100644 board/variscite/imx8mn_var_som/Kconfig create mode 100644 board/variscite/imx8mn_var_som/Makefile create mode 100644 board/variscite/imx8mn_var_som/ddr4_timing.c create mode 100644 board/variscite/imx8mn_var_som/imx8mn_var_som.c create mode 100644 board/variscite/imx8mn_var_som/imximage-8mn-ddr4.cfg create mode 100644 board/variscite/imx8mn_var_som/spl.c create mode 100644 configs/imx8mn_var_som_defconfig create mode 100644 include/configs/imx8mn_var_som.h

diff --git a/MAINTAINERS b/MAINTAINERS index 6db5354322f..b13098c2138 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -550,6 +550,14 @@ F: arch/arm/mach-uniphier/ F: configs/uniphier_*_defconfig N: uniphier

+ARM VARISCITE VAR-SOM-MX8MN MODULE +M: Ariel D'Alessandro ariel.dalessandro@collabora.com +S: Maintained +F: arch/arm/dts/arch/arm/dts/imx8mn-var-som* +F: board/variscite/imx8mn_var_som/ +F: configs/imx8mn_var_som_defconfig +F: include/configs/imx8mn_var_som.h + ARM VERSAL M: Michal Simek michal.simek@xilinx.com S: Maintained diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index cc34da7bd83..dfa034be80f 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -901,6 +901,7 @@ dtb-$(CONFIG_ARCH_IMX8M) += \ imx8mn-ddr4-evk.dtb \ imx8mq-cm.dtb \ imx8mn-evk.dtb \ + imx8mn-var-som.dtb \ imx8mq-evk.dtb \ imx8mm-beacon-kit.dtb \ imx8mn-beacon-kit.dtb \ diff --git a/arch/arm/dts/imx8mn-var-som-u-boot.dtsi b/arch/arm/dts/imx8mn-var-som-u-boot.dtsi new file mode 100644 index 00000000000..ce475885df6 --- /dev/null +++ b/arch/arm/dts/imx8mn-var-som-u-boot.dtsi @@ -0,0 +1,256 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2021 Collabora Ltd. + */ + +/ { + binman: binman { + multiple-images; + }; + + wdt-reboot { + compatible = "wdt-reboot"; + wdt = <&wdog1>; + u-boot,dm-spl; + }; +}; + +&{/soc@0} { + u-boot,dm-pre-reloc; + u-boot,dm-spl; +}; + +&{/soc@0/bus@30800000/i2c@30a20000/pmic@4b} { + u-boot,dm-spl; +}; + +&{/soc@0/bus@30800000/i2c@30a20000/pmic@4b/regulators} { + u-boot,dm-spl; +}; + +&aips1 { + u-boot,dm-pre-reloc; + u-boot,dm-spl; +}; + +&aips3 { + u-boot,dm-spl; +}; + +&aips4 { + u-boot,dm-spl; +}; + +&clk { + u-boot,dm-pre-reloc; + u-boot,dm-spl; + /delete-property/ assigned-clocks; + /delete-property/ assigned-clock-parents; + /delete-property/ assigned-clock-rates; +}; + +&gpio1 { + u-boot,dm-spl; +}; + +&gpio2 { + u-boot,dm-spl; +}; + +&gpio4 { + u-boot,dm-spl; +}; + +&i2c1 { + u-boot,dm-spl; +}; + +&iomuxc { + u-boot,dm-spl; +}; + +&osc_24m { + u-boot,dm-pre-reloc; + u-boot,dm-spl; +}; + +&pinctrl_i2c1 { + u-boot,dm-spl; +}; + +&pinctrl_pmic { + u-boot,dm-spl; +}; + +&pinctrl_reg_usdhc2_vmmc { + u-boot,dm-spl; +}; + +&pinctrl_uart4 { + u-boot,dm-spl; +}; + +&pinctrl_usdhc2 { + u-boot,dm-spl; +}; + +&pinctrl_usdhc3 { + u-boot,dm-spl; +}; + +&pinctrl_wdog { + u-boot,dm-spl; +}; + +&uart4 { + u-boot,dm-spl; +}; + +&usdhc2 { + u-boot,dm-spl; +}; + +&usdhc3 { + u-boot,dm-spl; +}; + +&wdog1 { + u-boot,dm-spl; +}; + +&binman { + u-boot-spl-ddr { + align = <4>; + align-size = <4>; + filename = "u-boot-spl-ddr.bin"; + pad-byte = <0xff>; + + u-boot-spl { + align-end = <4>; + filename = "u-boot-spl.bin"; + }; + + 1d-imem { + filename = "ddr4_imem_1d.bin"; + size = <0x8000>; + type = "blob-ext"; + }; + + 1d_dmem { + filename = "ddr4_dmem_1d.bin"; + size = <0x4000>; + type = "blob-ext"; + }; + + 2d_imem { + filename = "ddr4_imem_2d.bin"; + size = <0x8000>; + type = "blob-ext"; + }; + + 2d_dmem { + filename = "ddr4_dmem_2d.bin"; + size = <0x4000>; + type = "blob-ext"; + }; + }; + + spl { + filename = "spl.bin"; + + mkimage { + args = "-n spl/u-boot-spl.cfgout -T imx8mimage -e 0x912000"; + + blob { + filename = "u-boot-spl-ddr.bin"; + }; + }; + }; + + itb { + filename = "u-boot.itb"; + + fit { + description = "Configuration to load ATF before U-Boot"; + fit,external-offset = <CONFIG_FIT_EXTERNAL_OFFSET>; + fit,fdt-list = "of-list"; + #address-cells = <1>; + + images { + uboot { + arch = "arm64"; + compression = "none"; + description = "U-Boot (64-bit)"; + load = <CONFIG_SYS_TEXT_BASE>; + type = "standalone"; + + uboot_blob { + filename = "u-boot-nodtb.bin"; + type = "blob-ext"; + }; + }; + + atf { + arch = "arm64"; + compression = "none"; + description = "ARM Trusted Firmware"; + entry = <0x960000>; + load = <0x960000>; + type = "firmware"; + + atf_blob { + filename = "bl31.bin"; + type = "blob-ext"; + }; + }; + + binman_fip: fip { + arch = "arm64"; + compression = "none"; + description = "Trusted Firmware FIP"; + load = <0x40310000>; + type = "firmware"; + }; + + @fdt-SEQ { + compression = "none"; + description = "NAME"; + type = "flat_dt"; + + uboot_fdt_blob { + filename = "u-boot.dtb"; + type = "blob-ext"; + }; + }; + }; + + configurations { + default = "@config-DEFAULT-SEQ"; + + binman_configuration: @config-SEQ { + description = "NAME"; + fdt = "fdt-SEQ"; + firmware = "uboot"; + loadables = "atf"; + }; + }; + }; + }; + + imx-boot { + filename = "flash.bin"; + pad-byte = <0x00>; + + spl { + filename = "spl.bin"; + offset = <0x0>; + type = "blob-ext"; + }; + + binman_uboot: uboot { + filename = "u-boot.itb"; + offset = <0x58000>; + type = "blob-ext"; + }; + }; +}; diff --git a/arch/arm/dts/imx8mn-var-som.dts b/arch/arm/dts/imx8mn-var-som.dts new file mode 100644 index 00000000000..04e021f28d8 --- /dev/null +++ b/arch/arm/dts/imx8mn-var-som.dts @@ -0,0 +1,423 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2021 Collabora Ltd. + */ + +/dts-v1/; + +#include "imx8mn.dtsi" + +/ { + model = "Variscite VAR-SOM-MX8MN module"; + compatible = "variscite,var-som-mx8mn", "fsl,imx8mn"; + + chosen { + stdout-path = &uart4; + }; + + reg_usdhc2_vmmc: regulator-usdhc2-vmmc { + 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 = <&gpio4 22 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + reg_eth_phy: regulator-eth-phy { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg_eth_phy>; + regulator-name = "eth_phy_pwr"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio2 9 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; +}; + +&A53_0 { + cpu-supply = <&buck2_reg>; +}; + +&A53_1 { + cpu-supply = <&buck2_reg>; +}; + +&A53_2 { + cpu-supply = <&buck2_reg>; +}; + +&A53_3 { + cpu-supply = <&buck2_reg>; +}; + +&fec1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_fec1>; + phy-mode = "rgmii"; + phy-handle = <&ethphy>; + phy-supply = <&reg_eth_phy>; + phy-reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; + phy-reset-duration = <10>; + fsl,magic-packet; + status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy: ethernet-phy@4 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <4>; + }; + }; +}; + +&i2c1 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; + + pmic@4b { + compatible = "rohm,bd71847"; + reg = <0x4b>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pmic>; + interrupt-parent = <&gpio2>; + interrupts = <8 IRQ_TYPE_LEVEL_LOW>; + rohm,reset-snvs-powered; + + regulators { + buck1_reg: BUCK1 { + regulator-name = "buck1"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1250>; + }; + + buck2_reg: BUCK2 { + regulator-name = "buck2"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1300000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <1250>; + rohm,dvs-run-voltage = <1000000>; + rohm,dvs-idle-voltage = <900000>; + }; + + buck3_reg: BUCK3 { + regulator-name = "buck3"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <1350000>; + regulator-boot-on; + regulator-always-on; + }; + + buck4_reg: BUCK4 { + regulator-name = "buck4"; + regulator-min-microvolt = <2600000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + buck5_reg: BUCK5 { + regulator-name = "buck5"; + regulator-min-microvolt = <1605000>; + regulator-max-microvolt = <1995000>; + regulator-boot-on; + regulator-always-on; + }; + + buck6_reg: BUCK6 { + regulator-name = "buck6"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1400000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1_reg: LDO1 { + regulator-name = "ldo1"; + regulator-min-microvolt = <1600000>; + regulator-max-microvolt = <1900000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2_reg: LDO2 { + regulator-name = "ldo2"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <900000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3_reg: LDO3 { + regulator-name = "ldo3"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo4_reg: LDO4 { + regulator-name = "ldo4"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + + ldo5_reg: LDO5 { + regulator-name = "ldo5"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + + ldo6_reg: LDO6 { + regulator-name = "ldo6"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; +}; + +/* Console */ +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart4>; + status = "okay"; +}; + +&usbotg1 { + dr_mode = "peripheral"; + status = "okay"; +}; + +/* SD */ +&usdhc2 { + assigned-clocks = <&clk IMX8MN_CLK_USDHC2>; + assigned-clock-rates = <200000000>; + 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 = <&gpio1 10 GPIO_ACTIVE_LOW>; + bus-width = <4>; + vmmc-supply = <&reg_usdhc2_vmmc>; + status = "okay"; +}; + +/* eMMC */ +&usdhc3 { + assigned-clocks = <&clk IMX8MN_CLK_USDHC3_ROOT>; + assigned-clock-rates = <400000000>; + 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_fec1: fec1grp { + fsl,pins = < + MX8MN_IOMUXC_ENET_MDC_ENET1_MDC 0x3 + MX8MN_IOMUXC_ENET_MDIO_ENET1_MDIO 0x3 + MX8MN_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x1f + MX8MN_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x1f + MX8MN_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x1f + MX8MN_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x1f + MX8MN_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0x91 + MX8MN_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x91 + MX8MN_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x91 + MX8MN_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x91 + MX8MN_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x1f + MX8MN_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x91 + MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91 + MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f + MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x19 + >; + }; + + pinctrl_i2c1: i2c1grp { + fsl,pins = < + MX8MN_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3 + MX8MN_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3 + >; + }; + + pinctrl_pmic: pmicirqgrp { + fsl,pins = < + MX8MN_IOMUXC_SD1_DATA6_GPIO2_IO8 0x141 + >; + }; + + pinctrl_reg_eth_phy: regethphygrp { + fsl,pins = < + MX8MN_IOMUXC_SD1_DATA7_GPIO2_IO9 0x41 + >; + }; + + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp { + fsl,pins = < + MX8MN_IOMUXC_SAI2_RXC_GPIO4_IO22 0x41 + >; + }; + + pinctrl_uart4: uart4grp { + fsl,pins = < + MX8MN_IOMUXC_UART4_RXD_UART4_DCE_RX 0x140 + MX8MN_IOMUXC_UART4_TXD_UART4_DCE_TX 0x140 + >; + }; + + pinctrl_usdhc1: usdhc1grp { + fsl,pins = < + MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK 0x190 + MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d0 + MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d0 + MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d0 + MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d0 + MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d0 + >; + }; + + pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp { + fsl,pins = < + MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK 0x194 + MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d4 + MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d4 + MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d4 + MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d4 + MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d4 + >; + }; + + pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp { + fsl,pins = < + MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK 0x196 + MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d6 + MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d6 + MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d6 + MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d6 + MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d6 + >; + }; + + pinctrl_usdhc2_gpio: usdhc2gpiogrp { + fsl,pins = < + MX8MN_IOMUXC_GPIO1_IO10_GPIO1_IO10 0x41 + >; + }; + + pinctrl_usdhc2: usdhc2grp { + fsl,pins = < + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x190 + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d0 + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d0 + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d0 + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d0 + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d0 + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0 + >; + }; + + pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp { + fsl,pins = < + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x194 + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4 + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4 + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4 + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4 + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4 + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0 + >; + }; + + pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp { + fsl,pins = < + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x196 + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d6 + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6 + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6 + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6 + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6 + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0 + >; + }; + + pinctrl_usdhc3: usdhc3grp { + fsl,pins = < + MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x190 + MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0 + MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0 + MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0 + MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0 + MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0 + MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0 + MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0 + MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0 + MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0 + MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190 + >; + }; + + pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp { + fsl,pins = < + MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x194 + MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4 + MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4 + MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4 + MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4 + MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4 + MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4 + MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4 + MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4 + MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4 + MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194 + >; + }; + + pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp { + fsl,pins = < + MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x196 + MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6 + MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6 + MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6 + MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6 + MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6 + MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6 + MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6 + MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6 + MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6 + MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196 + >; + }; + + pinctrl_wdog: wdoggrp { + fsl,pins = < + MX8MN_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166 + >; + }; +}; diff --git a/arch/arm/mach-imx/imx8m/Kconfig b/arch/arm/mach-imx/imx8m/Kconfig index 276b8bd9742..82a5ab8ad00 100644 --- a/arch/arm/mach-imx/imx8m/Kconfig +++ b/arch/arm/mach-imx/imx8m/Kconfig @@ -108,6 +108,14 @@ config TARGET_PICO_IMX8MQ select IMX8MQ select IMX8M_LPDDR4

+config TARGET_IMX8MN_VAR_SOM + bool "imx8mn_var_som" + select BINMAN + select IMX8MN + select SUPPORT_SPL + select IMX8M_DDR4 + select IMX8M_BOARD_INIT_DRAM + config TARGET_VERDIN_IMX8MM bool "Support Toradex Verdin iMX8M Mini module" select BINMAN @@ -171,6 +179,7 @@ source "board/phytec/phycore_imx8mm/Kconfig" source "board/phytec/phycore_imx8mp/Kconfig" source "board/ronetix/imx8mq-cm/Kconfig" source "board/technexion/pico-imx8mq/Kconfig" +source "board/variscite/imx8mn_var_som/Kconfig" source "board/toradex/verdin-imx8mm/Kconfig"

endif diff --git a/board/variscite/imx8mn_var_som/Kconfig b/board/variscite/imx8mn_var_som/Kconfig new file mode 100644 index 00000000000..cfe6fc8c2c7 --- /dev/null +++ b/board/variscite/imx8mn_var_som/Kconfig @@ -0,0 +1,17 @@ +if TARGET_IMX8MN_VAR_SOM + +config SYS_BOARD + default "imx8mn_var_som" + +config SYS_VENDOR + default "variscite" + +config SYS_CONFIG_NAME + default "imx8mn_var_som" + +config IMX_CONFIG + default "board/variscite/imx8mn_var_som/imximage-8mn-ddr4.cfg" + +source "board/freescale/common/Kconfig" + +endif diff --git a/board/variscite/imx8mn_var_som/Makefile b/board/variscite/imx8mn_var_som/Makefile new file mode 100644 index 00000000000..a8b6a343ffc --- /dev/null +++ b/board/variscite/imx8mn_var_som/Makefile @@ -0,0 +1,12 @@ +# +# Copyright 2021 Collabora Ltd. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += imx8mn_var_som.o + +ifdef CONFIG_SPL_BUILD +obj-y += spl.o +obj-y += ddr4_timing.o +endif diff --git a/board/variscite/imx8mn_var_som/ddr4_timing.c b/board/variscite/imx8mn_var_som/ddr4_timing.c new file mode 100644 index 00000000000..0ed69eeb3de --- /dev/null +++ b/board/variscite/imx8mn_var_som/ddr4_timing.c @@ -0,0 +1,528 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2019 NXP + * + * Generated code from MX8M_DDR_tool + * Align with uboot version: + * imx_v2018.03_4.14.78_1.0.0_ga ~ imx_v2018.04_4.19.35_1.0.0_ga + */ + +#include <linux/kernel.h> +#include <asm/arch/ddr.h> + +static struct dram_cfg_param ddr_ddrc_cfg[] = { + /** Initialize DDRC registers **/ + { 0x3d400000, 0x81040010 }, + { 0x3d400030, 0x20 }, + { 0x3d400034, 0x221306 }, + { 0x3d400050, 0x210070 }, + { 0x3d400054, 0x10008 }, + { 0x3d400060, 0x0 }, + { 0x3d400064, 0x9200d2 }, + { 0x3d4000c0, 0x0 }, + { 0x3d4000c4, 0x1000 }, + { 0x3d4000d0, 0xc0030126 }, + { 0x3d4000d4, 0x770000 }, + { 0x3d4000dc, 0x8340105 }, + { 0x3d4000e0, 0x180200 }, + { 0x3d4000e4, 0x110000 }, + { 0x3d4000e8, 0x2000600 }, + { 0x3d4000ec, 0x810 }, + { 0x3d4000f0, 0x20 }, + { 0x3d4000f4, 0xec7 }, + { 0x3d400100, 0x11122914 }, + { 0x3d400104, 0x4051c }, + { 0x3d400108, 0x608050d }, + { 0x3d40010c, 0x400c }, + { 0x3d400110, 0x8030409 }, + { 0x3d400114, 0x6060403 }, + { 0x3d40011c, 0x606 }, + { 0x3d400120, 0x5050d08 }, + { 0x3d400124, 0x2040a }, + { 0x3d40012c, 0x1409010e }, + { 0x3d400130, 0x8 }, + { 0x3d40013c, 0x0 }, + { 0x3d400180, 0x1000040 }, + { 0x3d400184, 0x493e }, + { 0x3d400190, 0x38b8207 }, + { 0x3d400194, 0x2020303 }, + { 0x3d400198, 0x7f04011 }, + { 0x3d40019c, 0xb0 }, + { 0x3d4001a0, 0xe0400018 }, + { 0x3d4001a4, 0x48005a }, + { 0x3d4001a8, 0x80000000 }, + { 0x3d4001b0, 0x1 }, + { 0x3d4001b4, 0xb07 }, + { 0x3d4001b8, 0x4 }, + { 0x3d4001c0, 0x1 }, + { 0x3d4001c4, 0x0 }, + { 0x3d400200, 0x3f1f }, + { 0x3d400204, 0x3f0909 }, + { 0x3d400208, 0x700 }, + { 0x3d40020c, 0x0 }, + { 0x3d400210, 0x1f1f }, + { 0x3d400214, 0x7070707 }, + { 0x3d400218, 0x7070707 }, + { 0x3d40021c, 0xf0f }, + { 0x3d400220, 0x3f01 }, + { 0x3d400240, 0x6000610 }, + { 0x3d400244, 0x1323 }, + { 0x3d400400, 0x100 }, + { 0x3d400250, 0x317d1a07 }, + { 0x3d400254, 0xf }, + { 0x3d40025c, 0x2a001b76 }, + { 0x3d400264, 0x7300b473 }, + { 0x3d40026c, 0x30000e06 }, + { 0x3d400300, 0x14 }, + { 0x3d40036c, 0x10 }, + { 0x3d400404, 0x13193 }, + { 0x3d400408, 0x6096 }, + { 0x3d400490, 0x1 }, + { 0x3d400494, 0x2000c00 }, + { 0x3d400498, 0x3c00db }, + { 0x3d40049c, 0x100009 }, + { 0x3d4004a0, 0x2 }, + { 0x3d402050, 0x210070 }, + { 0x3d402064, 0x40005e }, + { 0x3d4020dc, 0x40105 }, + { 0x3d4020e0, 0x0 }, + { 0x3d4020e8, 0x2000600 }, + { 0x3d4020ec, 0x10 }, + { 0x3d402100, 0xb081209 }, + { 0x3d402104, 0x2020d }, + { 0x3d402108, 0x5050309 }, + { 0x3d40210c, 0x400c }, + { 0x3d402110, 0x5030206 }, + { 0x3d402114, 0x3030202 }, + { 0x3d40211c, 0x303 }, + { 0x3d402120, 0x3030d04 }, + { 0x3d402124, 0x20208 }, + { 0x3d40212c, 0x1005010e }, + { 0x3d402130, 0x8 }, + { 0x3d40213c, 0x0 }, + { 0x3d402180, 0x1000040 }, + { 0x3d402190, 0x3858204 }, + { 0x3d402194, 0x2020303 }, + { 0x3d4021b4, 0x504 }, + { 0x3d4021b8, 0x4 }, + { 0x3d402240, 0x6000604 }, + { 0x3d4020f4, 0xec7 }, +}; + +/* PHY Initialize Configuration */ +static struct dram_cfg_param ddr_ddrphy_cfg[] = { + { 0x1005f, 0x2fd }, + { 0x1015f, 0x2fd }, + { 0x1105f, 0x2fd }, + { 0x1115f, 0x2fd }, + { 0x11005f, 0x2fd }, + { 0x11015f, 0x2fd }, + { 0x11105f, 0x2fd }, + { 0x11115f, 0x2fd }, + { 0x55, 0x355 }, + { 0x1055, 0x355 }, + { 0x2055, 0x355 }, + { 0x3055, 0x355 }, + { 0x4055, 0x55 }, + { 0x5055, 0x55 }, + { 0x6055, 0x355 }, + { 0x7055, 0x355 }, + { 0x8055, 0x355 }, + { 0x9055, 0x355 }, + { 0x200c5, 0xa }, + { 0x1200c5, 0x6 }, + { 0x2002e, 0x2 }, + { 0x12002e, 0x1 }, + { 0x20024, 0x8 }, + { 0x2003a, 0x2 }, + { 0x120024, 0x8 }, + { 0x2003a, 0x2 }, + { 0x20056, 0x6 }, + { 0x120056, 0xa }, + { 0x1004d, 0x1a }, + { 0x1014d, 0x1a }, + { 0x1104d, 0x1a }, + { 0x1114d, 0x1a }, + { 0x11004d, 0x1a }, + { 0x11014d, 0x1a }, + { 0x11104d, 0x1a }, + { 0x11114d, 0x1a }, + { 0x10049, 0xe38 }, + { 0x10149, 0xe38 }, + { 0x11049, 0xe38 }, + { 0x11149, 0xe38 }, + { 0x110049, 0xe38 }, + { 0x110149, 0xe38 }, + { 0x111049, 0xe38 }, + { 0x111149, 0xe38 }, + { 0x43, 0x63 }, + { 0x1043, 0x63 }, + { 0x2043, 0x63 }, + { 0x3043, 0x63 }, + { 0x4043, 0x63 }, + { 0x5043, 0x63 }, + { 0x6043, 0x63 }, + { 0x7043, 0x63 }, + { 0x8043, 0x63 }, + { 0x9043, 0x63 }, + { 0x20018, 0x1 }, + { 0x20075, 0x2 }, + { 0x20050, 0x0 }, + { 0x20008, 0x258 }, + { 0x120008, 0x10a }, + { 0x20088, 0x9 }, + { 0x200b2, 0x268 }, + { 0x10043, 0x5b1 }, + { 0x10143, 0x5b1 }, + { 0x11043, 0x5b1 }, + { 0x11143, 0x5b1 }, + { 0x1200b2, 0x268 }, + { 0x110043, 0x5b1 }, + { 0x110143, 0x5b1 }, + { 0x111043, 0x5b1 }, + { 0x111143, 0x5b1 }, + { 0x200fa, 0x1 }, + { 0x1200fa, 0x1 }, + { 0x20019, 0x5 }, + { 0x120019, 0x5 }, + { 0x200f0, 0x5555 }, + { 0x200f1, 0x5555 }, + { 0x200f2, 0x5555 }, + { 0x200f3, 0x5555 }, + { 0x200f4, 0x5555 }, + { 0x200f5, 0x5555 }, + { 0x200f6, 0x5555 }, + { 0x200f7, 0xf000 }, + { 0x20025, 0x0 }, + { 0x2002d, 0x0 }, + { 0x12002d, 0x0 }, + { 0x2005b, 0x7529 }, + { 0x2005c, 0x0 }, + { 0x200c7, 0x21 }, + { 0x200ca, 0x24 }, + { 0x200cc, 0x1f7 }, + { 0x1200c7, 0x21 }, + { 0x1200ca, 0x24 }, + { 0x1200cc, 0x1f7 }, + { 0x2007d, 0x212 }, + { 0x12007d, 0x212 }, + { 0x2007c, 0x61 }, + { 0x12007c, 0x61 }, + { 0x1004a, 0x500 }, + { 0x1104a, 0x500 }, + { 0x2002c, 0x0 }, +}; + +/* P0 message block parameter for training firmware */ +static struct dram_cfg_param ddr_fsp0_cfg[] = { + { 0xd0000, 0x0 }, + { 0x54003, 0x960 }, + { 0x54004, 0x2 }, + { 0x54005, 0x2830 }, + { 0x54006, 0x25e }, + { 0x54007, 0x1000 }, + { 0x54008, 0x101 }, + { 0x5400b, 0x31f }, + { 0x5400c, 0xc8 }, + { 0x5400d, 0x100 }, + { 0x54012, 0x1 }, + { 0x5402f, 0x834 }, + { 0x54030, 0x105 }, + { 0x54031, 0x18 }, + { 0x54032, 0x200 }, + { 0x54033, 0x200 }, + { 0x54034, 0x600 }, + { 0x54035, 0x810 }, + { 0x54036, 0x101 }, + { 0x5403f, 0x1221 }, + { 0x541fc, 0x100 }, + { 0xd0000, 0x1 }, +}; + +/* P1 message block parameter for training firmware */ +static struct dram_cfg_param ddr_fsp1_cfg[] = { + { 0xd0000, 0x0 }, + { 0x54002, 0x1 }, + { 0x54003, 0x42a }, + { 0x54004, 0x2 }, + { 0x54005, 0x2830 }, + { 0x54006, 0x25e }, + { 0x54007, 0x1000 }, + { 0x54008, 0x101 }, + { 0x5400b, 0x21f }, + { 0x5400c, 0xc8 }, + { 0x5400d, 0x100 }, + { 0x54012, 0x1 }, + { 0x5402f, 0x4 }, + { 0x54030, 0x105 }, + { 0x54033, 0x200 }, + { 0x54034, 0x600 }, + { 0x54035, 0x10 }, + { 0x54036, 0x101 }, + { 0x5403f, 0x1221 }, + { 0x541fc, 0x100 }, + { 0xd0000, 0x1 }, +}; + +/* P0 2D message block parameter for training firmware */ +static struct dram_cfg_param ddr_fsp0_2d_cfg[] = { + { 0xd0000, 0x0 }, + { 0x54003, 0x960 }, + { 0x54004, 0x2 }, + { 0x54005, 0x2830 }, + { 0x54006, 0x25e }, + { 0x54007, 0x1000 }, + { 0x54008, 0x101 }, + { 0x5400b, 0x61 }, + { 0x5400c, 0xc8 }, + { 0x5400d, 0x100 }, + { 0x5400e, 0x1f7f }, + { 0x54012, 0x1 }, + { 0x5402f, 0x834 }, + { 0x54030, 0x105 }, + { 0x54031, 0x18 }, + { 0x54032, 0x200 }, + { 0x54033, 0x200 }, + { 0x54034, 0x600 }, + { 0x54035, 0x810 }, + { 0x54036, 0x101 }, + { 0x5403f, 0x1221 }, + { 0x541fc, 0x100 }, + { 0xd0000, 0x1 }, +}; + +/* DRAM PHY init engine image */ +static struct dram_cfg_param ddr_phy_pie[] = { + { 0xd0000, 0x0 }, + { 0x90000, 0x10 }, + { 0x90001, 0x400 }, + { 0x90002, 0x10e }, + { 0x90003, 0x0 }, + { 0x90004, 0x0 }, + { 0x90005, 0x8 }, + { 0x90029, 0xb }, + { 0x9002a, 0x480 }, + { 0x9002b, 0x109 }, + { 0x9002c, 0x8 }, + { 0x9002d, 0x448 }, + { 0x9002e, 0x139 }, + { 0x9002f, 0x8 }, + { 0x90030, 0x478 }, + { 0x90031, 0x109 }, + { 0x90032, 0x2 }, + { 0x90033, 0x10 }, + { 0x90034, 0x139 }, + { 0x90035, 0xb }, + { 0x90036, 0x7c0 }, + { 0x90037, 0x139 }, + { 0x90038, 0x44 }, + { 0x90039, 0x633 }, + { 0x9003a, 0x159 }, + { 0x9003b, 0x14f }, + { 0x9003c, 0x630 }, + { 0x9003d, 0x159 }, + { 0x9003e, 0x47 }, + { 0x9003f, 0x633 }, + { 0x90040, 0x149 }, + { 0x90041, 0x4f }, + { 0x90042, 0x633 }, + { 0x90043, 0x179 }, + { 0x90044, 0x8 }, + { 0x90045, 0xe0 }, + { 0x90046, 0x109 }, + { 0x90047, 0x0 }, + { 0x90048, 0x7c8 }, + { 0x90049, 0x109 }, + { 0x9004a, 0x0 }, + { 0x9004b, 0x1 }, + { 0x9004c, 0x8 }, + { 0x9004d, 0x0 }, + { 0x9004e, 0x45a }, + { 0x9004f, 0x9 }, + { 0x90050, 0x0 }, + { 0x90051, 0x448 }, + { 0x90052, 0x109 }, + { 0x90053, 0x40 }, + { 0x90054, 0x633 }, + { 0x90055, 0x179 }, + { 0x90056, 0x1 }, + { 0x90057, 0x618 }, + { 0x90058, 0x109 }, + { 0x90059, 0x40c0 }, + { 0x9005a, 0x633 }, + { 0x9005b, 0x149 }, + { 0x9005c, 0x8 }, + { 0x9005d, 0x4 }, + { 0x9005e, 0x48 }, + { 0x9005f, 0x4040 }, + { 0x90060, 0x633 }, + { 0x90061, 0x149 }, + { 0x90062, 0x0 }, + { 0x90063, 0x4 }, + { 0x90064, 0x48 }, + { 0x90065, 0x40 }, + { 0x90066, 0x633 }, + { 0x90067, 0x149 }, + { 0x90068, 0x10 }, + { 0x90069, 0x4 }, + { 0x9006a, 0x18 }, + { 0x9006b, 0x0 }, + { 0x9006c, 0x4 }, + { 0x9006d, 0x78 }, + { 0x9006e, 0x549 }, + { 0x9006f, 0x633 }, + { 0x90070, 0x159 }, + { 0x90071, 0xd49 }, + { 0x90072, 0x633 }, + { 0x90073, 0x159 }, + { 0x90074, 0x94a }, + { 0x90075, 0x633 }, + { 0x90076, 0x159 }, + { 0x90077, 0x441 }, + { 0x90078, 0x633 }, + { 0x90079, 0x149 }, + { 0x9007a, 0x42 }, + { 0x9007b, 0x633 }, + { 0x9007c, 0x149 }, + { 0x9007d, 0x1 }, + { 0x9007e, 0x633 }, + { 0x9007f, 0x149 }, + { 0x90080, 0x0 }, + { 0x90081, 0xe0 }, + { 0x90082, 0x109 }, + { 0x90083, 0xa }, + { 0x90084, 0x10 }, + { 0x90085, 0x109 }, + { 0x90086, 0x9 }, + { 0x90087, 0x3c0 }, + { 0x90088, 0x149 }, + { 0x90089, 0x9 }, + { 0x9008a, 0x3c0 }, + { 0x9008b, 0x159 }, + { 0x9008c, 0x18 }, + { 0x9008d, 0x10 }, + { 0x9008e, 0x109 }, + { 0x9008f, 0x0 }, + { 0x90090, 0x3c0 }, + { 0x90091, 0x109 }, + { 0x90092, 0x18 }, + { 0x90093, 0x4 }, + { 0x90094, 0x48 }, + { 0x90095, 0x18 }, + { 0x90096, 0x4 }, + { 0x90097, 0x58 }, + { 0x90098, 0xb }, + { 0x90099, 0x10 }, + { 0x9009a, 0x109 }, + { 0x9009b, 0x1 }, + { 0x9009c, 0x10 }, + { 0x9009d, 0x109 }, + { 0x9009e, 0x5 }, + { 0x9009f, 0x7c0 }, + { 0x900a0, 0x109 }, + { 0x900a1, 0x0 }, + { 0x900a2, 0x8140 }, + { 0x900a3, 0x10c }, + { 0x900a4, 0x10 }, + { 0x900a5, 0x8138 }, + { 0x900a6, 0x10c }, + { 0x900a7, 0x8 }, + { 0x900a8, 0x7c8 }, + { 0x900a9, 0x101 }, + { 0x900aa, 0x8 }, + { 0x900ab, 0x448 }, + { 0x900ac, 0x109 }, + { 0x900ad, 0xf }, + { 0x900ae, 0x7c0 }, + { 0x900af, 0x109 }, + { 0x900b0, 0x47 }, + { 0x900b1, 0x630 }, + { 0x900b2, 0x109 }, + { 0x900b3, 0x8 }, + { 0x900b4, 0x618 }, + { 0x900b5, 0x109 }, + { 0x900b6, 0x8 }, + { 0x900b7, 0xe0 }, + { 0x900b8, 0x109 }, + { 0x900b9, 0x0 }, + { 0x900ba, 0x7c8 }, + { 0x900bb, 0x109 }, + { 0x900bc, 0x8 }, + { 0x900bd, 0x8140 }, + { 0x900be, 0x10c }, + { 0x900bf, 0x0 }, + { 0x900c0, 0x1 }, + { 0x900c1, 0x8 }, + { 0x900c2, 0x8 }, + { 0x900c3, 0x4 }, + { 0x900c4, 0x8 }, + { 0x900c5, 0x8 }, + { 0x900c6, 0x7c8 }, + { 0x900c7, 0x101 }, + { 0x90006, 0x0 }, + { 0x90007, 0x0 }, + { 0x90008, 0x8 }, + { 0x90009, 0x0 }, + { 0x9000a, 0x0 }, + { 0x9000b, 0x0 }, + { 0xd00e7, 0x400 }, + { 0x90017, 0x0 }, + { 0x90026, 0x2b }, + { 0x2000b, 0x4b }, + { 0x2000c, 0x96 }, + { 0x2000d, 0x5dc }, + { 0x2000e, 0x2c }, + { 0x12000b, 0x21 }, + { 0x12000c, 0x42 }, + { 0x12000d, 0x29a }, + { 0x12000e, 0x21 }, + { 0x9000c, 0x0 }, + { 0x9000d, 0x173 }, + { 0x9000e, 0x60 }, + { 0x9000f, 0x6110 }, + { 0x90010, 0x2152 }, + { 0x90011, 0xdfbd }, + { 0x90012, 0xffff }, + { 0x90013, 0x6152 }, + { 0x20089, 0x1 }, + { 0x20088, 0x19 }, + { 0xc0080, 0x0 }, + { 0xd0000, 0x1 }, +}; + +static struct dram_fsp_msg ddr_dram_fsp_msg[] = { + { + /* P0 2400mts 1D */ + .drate = 2400, + .fw_type = FW_1D_IMAGE, + .fsp_cfg = ddr_fsp0_cfg, + .fsp_cfg_num = ARRAY_SIZE(ddr_fsp0_cfg), + }, + { + /* P1 1066mts 1D */ + .drate = 1066, + .fw_type = FW_1D_IMAGE, + .fsp_cfg = ddr_fsp1_cfg, + .fsp_cfg_num = ARRAY_SIZE(ddr_fsp1_cfg), + }, + { + /* P0 2400mts 2D */ + .drate = 2400, + .fw_type = FW_2D_IMAGE, + .fsp_cfg = ddr_fsp0_2d_cfg, + .fsp_cfg_num = ARRAY_SIZE(ddr_fsp0_2d_cfg), + }, +}; + +/* ddr timing config params */ +struct dram_timing_info dram_timing = { + .ddrc_cfg = ddr_ddrc_cfg, + .ddrc_cfg_num = ARRAY_SIZE(ddr_ddrc_cfg), + .ddrphy_cfg = ddr_ddrphy_cfg, + .ddrphy_cfg_num = ARRAY_SIZE(ddr_ddrphy_cfg), + .fsp_msg = ddr_dram_fsp_msg, + .fsp_msg_num = ARRAY_SIZE(ddr_dram_fsp_msg), + .ddrphy_pie = ddr_phy_pie, + .ddrphy_pie_num = ARRAY_SIZE(ddr_phy_pie), + .fsp_table = { 2400, 1066, }, +}; diff --git a/board/variscite/imx8mn_var_som/imx8mn_var_som.c b/board/variscite/imx8mn_var_som/imx8mn_var_som.c new file mode 100644 index 00000000000..e274e0e0a4c --- /dev/null +++ b/board/variscite/imx8mn_var_som/imx8mn_var_som.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2021 Collabora Ltd. + */ + +#include <common.h> +#include <env.h> +#include <asm/io.h> + +static void setup_fec(void) +{ + struct iomuxc_gpr_base_regs *gpr = + (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR; + + /* Use 125M anatop REF_CLK1 for ENET1, not from external */ + clrsetbits_le32(&gpr->gpr[1], 0x2000, 0); +} + +int board_init(void) +{ + if (CONFIG_IS_ENABLED(FEC_MXC)) + setup_fec(); + + return 0; +} + +int board_mmc_get_env_dev(int devno) +{ + return devno; +} diff --git a/board/variscite/imx8mn_var_som/imximage-8mn-ddr4.cfg b/board/variscite/imx8mn_var_som/imximage-8mn-ddr4.cfg new file mode 100644 index 00000000000..2083233e500 --- /dev/null +++ b/board/variscite/imx8mn_var_som/imximage-8mn-ddr4.cfg @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2021 Collabora Ltd. + */ + +#define __ASSEMBLY__ + +ROM_VERSION v2 +BOOT_FROM sd +LOADER u-boot-spl-ddr.bin 0x912000 diff --git a/board/variscite/imx8mn_var_som/spl.c b/board/variscite/imx8mn_var_som/spl.c new file mode 100644 index 00000000000..32703c5f0b3 --- /dev/null +++ b/board/variscite/imx8mn_var_som/spl.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2021 Collabora Ltd. + * + */ + +#include <hang.h> +#include <init.h> +#include <spl.h> +#include <asm/arch/clock.h> +#include <asm/arch/ddr.h> +#include <asm/arch/imx8mn_pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/mach-imx/boot_mode.h> +#include <asm/mach-imx/gpio.h> +#include <dm/device.h> +#include <dm/uclass.h> + +int spl_board_boot_device(enum boot_device boot_dev_spl) +{ + return BOOT_DEVICE_BOOTROM; +} + +void spl_dram_init(void) +{ + ddr_init(&dram_timing); +} + +void spl_board_init(void) +{ + struct udevice *dev; + int ret; + + debug("Normal Boot\n"); + + ret = uclass_get_device_by_name(UCLASS_CLK, + "clock-controller@30380000", + &dev); + if (ret < 0) + puts("Failed to find clock node. Check device tree\n"); +} + +#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 const iomux_v3_cfg_t uart_pads[] = { + IMX8MN_PAD_UART4_RXD__UART4_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + IMX8MN_PAD_UART4_TXD__UART4_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static const iomux_v3_cfg_t wdog_pads[] = { + IMX8MN_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL), +}; + +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(3); + + return 0; +} + +void board_init_f(ulong dummy) +{ + 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_init(); + if (ret) { + debug("spl_init() failed: %d\n", ret); + hang(); + } + + /* DDR initialization */ + spl_dram_init(); + + board_init_r(NULL, 0); +} diff --git a/configs/imx8mn_var_som_defconfig b/configs/imx8mn_var_som_defconfig new file mode 100644 index 00000000000..41d317fd5b0 --- /dev/null +++ b/configs/imx8mn_var_som_defconfig @@ -0,0 +1,98 @@ +CONFIG_ARM=y +CONFIG_ARCH_IMX8M=y +CONFIG_SYS_TEXT_BASE=0x40200000 +CONFIG_SYS_MALLOC_LEN=0x2000000 +CONFIG_SYS_MALLOC_F_LEN=0x10000 +CONFIG_SPL_GPIO=y +CONFIG_SPL_LIBCOMMON_SUPPORT=y +CONFIG_SPL_LIBGENERIC_SUPPORT=y +CONFIG_NR_DRAM_BANKS=1 +CONFIG_ENV_SIZE=0x2000 +CONFIG_ENV_OFFSET=0xFFFFDE00 +CONFIG_DM_GPIO=y +CONFIG_DEFAULT_DEVICE_TREE="imx8mn-var-som" +CONFIG_SPL_TEXT_BASE=0x912000 +CONFIG_TARGET_IMX8MN_VAR_SOM=y +CONFIG_SPL_MMC=y +CONFIG_SPL_SERIAL=y +CONFIG_SPL_DRIVERS_MISC=y +CONFIG_SPL_SYS_MALLOC_F_LEN=0x2000 +CONFIG_SPL=y +CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000 +CONFIG_DISTRO_DEFAULTS=y +CONFIG_SYS_LOAD_ADDR=0x40480000 +CONFIG_FIT=y +CONFIG_FIT_EXTERNAL_OFFSET=0x3000 +CONFIG_SPL_LOAD_FIT=y +# CONFIG_USE_SPL_FIT_GENERATOR is not set +CONFIG_OF_SYSTEM_SETUP=y +CONFIG_DEFAULT_FDT_FILE="freescale/imx8mn-var-som-symphony.dtb" +CONFIG_ARCH_MISC_INIT=y +CONFIG_SPL_BOARD_INIT=y +CONFIG_SPL_BOOTROM_SUPPORT=y +CONFIG_SPL_SEPARATE_BSS=y +CONFIG_SPL_I2C=y +CONFIG_SPL_POWER=y +CONFIG_SPL_WATCHDOG=y +CONFIG_SYS_PROMPT="> " +CONFIG_CMD_FUSE=y +CONFIG_CMD_MMC=y +CONFIG_CMD_USB=y +CONFIG_CMD_USB_MASS_STORAGE=y +CONFIG_OF_CONTROL=y +CONFIG_SPL_OF_CONTROL=y +CONFIG_ENV_IS_IN_MMC=y +CONFIG_SYS_RELOC_GD_ENV_ADDR=y +CONFIG_SYS_MMC_ENV_DEV=2 +CONFIG_SYS_MMC_ENV_PART=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_IMX8MN=y +CONFIG_CLK_IMX8MN=y +CONFIG_USB_FUNCTION_FASTBOOT=y +CONFIG_FASTBOOT_BUF_ADDR=0x40480000 +CONFIG_FASTBOOT_BUF_SIZE=0x20000000 +CONFIG_FASTBOOT_FLASH=y +CONFIG_FASTBOOT_UUU_SUPPORT=y +CONFIG_FASTBOOT_FLASH_MMC_DEV=2 +CONFIG_MXC_GPIO=y +CONFIG_DM_I2C=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_PHYLIB=y +CONFIG_PHY_ATHEROS=y +CONFIG_DM_ETH=y +CONFIG_PHY_GIGE=y +CONFIG_FEC_MXC=y +CONFIG_MII=y +CONFIG_PINCTRL=y +CONFIG_SPL_PINCTRL=y +CONFIG_PINCTRL_IMX8M=y +CONFIG_DM_PMIC=y +CONFIG_DM_PMIC_BD71837=y +CONFIG_SPL_DM_PMIC_BD71837=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_REGULATOR_FIXED=y +CONFIG_DM_REGULATOR_GPIO=y +CONFIG_MXC_UART=y +CONFIG_SYSRESET=y +CONFIG_SYSRESET_PSCI=y +CONFIG_SYSRESET_WATCHDOG=y +CONFIG_USB=y +CONFIG_USB_EHCI_HCD=y +CONFIG_USB_GADGET=y +CONFIG_USB_GADGET_MANUFACTURER="FSL" +CONFIG_USB_GADGET_VENDOR_NUM=0x0525 +CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5 +CONFIG_CI_UDC=y +CONFIG_IMX_WATCHDOG=y +CONFIG_OF_LIBFDT_OVERLAY=y diff --git a/include/configs/imx8mn_var_som.h b/include/configs/imx8mn_var_som.h new file mode 100644 index 00000000000..2a65f78ba77 --- /dev/null +++ b/include/configs/imx8mn_var_som.h @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2021 Collabora Ltd. + */ + +#ifndef __IMX8MN_VAR_SOM_H +#define __IMX8MN_VAR_SOM_H + +#include <linux/sizes.h> +#include <linux/stringify.h> +#include <asm/arch/imx-regs.h> + +#define CONFIG_SYS_BOOTM_LEN (32 * SZ_1M) + +#define CONFIG_SPL_MAX_SIZE (148 * SZ_1K) +#define CONFIG_SYS_MONITOR_LEN SZ_512K +#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 0x980000 +#define CONFIG_SPL_BSS_START_ADDR 0x950000 +#define CONFIG_SPL_BSS_MAX_SIZE SZ_8K +#define CONFIG_SYS_SPL_MALLOC_START 0x42200000 +#define CONFIG_SYS_SPL_MALLOC_SIZE SZ_512K + +/* For RAW image gives a error info not panic */ +#define CONFIG_SPL_ABORT_ON_RAW_IMAGE + +#endif /* CONFIG_SPL_BUILD */ + +#ifndef CONFIG_SPL_BUILD + +#define BOOT_TARGET_DEVICES(func) \ + func(MMC, mmc, 1) \ + func(MMC, mmc, 2) \ + func(MMC, mmc, 0) \ + func(PXE, pxe, na) \ + func(DHCP, dhcp, na) \ + +#include <config_distro_bootcmd.h> + +#endif /* !CONFIG_SPL_BUILD */ + +/* ENET */ +#if defined(CONFIG_FEC_MXC) +#define CONFIG_ETHPRIME "FEC" +#define CONFIG_FEC_XCV_TYPE RGMII +#endif /* CONFIG_FEC_MXC */ + +#define MEM_LAYOUT_ENV_SETTINGS \ + "scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \ + "kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \ + "ramdisk_addr_r=0x43800000\0" \ + "fdt_addr_r=0x43000000\0" \ + "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \ + "fastboot_partition_alias_all=" \ + __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".0:0\0" \ + "fastboot_partition_alias_bootloader=" \ + __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".1:0\0" \ + "emmc_dev=" __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) "\0" \ + "emmc_ack=1\0" \ + "pxefile_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \ + +/* Initial environment variables */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + MEM_LAYOUT_ENV_SETTINGS \ + BOOTENV + +/* Link Definitions */ + +#define CONFIG_SYS_INIT_RAM_ADDR 0x40000000 +#define CONFIG_SYS_INIT_RAM_SIZE SZ_512K +#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_SYS_SDRAM_BASE 0x40000000 +#define PHYS_SDRAM 0x40000000 +#define PHYS_SDRAM_SIZE SZ_1G /* 1GB DDR */ + +#define CONFIG_BAUDRATE 115200 + +#define CONFIG_MXC_UART_BASE UART4_BASE_ADDR + +/* Monitor Command Prompt */ +#define CONFIG_SYS_CBSIZE SZ_2K +#define CONFIG_SYS_MAXARGS 64 +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT) + 16) + +/* USDHC */ +#define CONFIG_FSL_USDHC + +#define CONFIG_SYS_FSL_USDHC_NUM 2 +#define CONFIG_SYS_FSL_ESDHC_ADDR 0 + +/* I2C */ +#define CONFIG_SYS_I2C_SPEED 400000 + +#endif /* __IMX8MN_VAR_SOM_H */