[U-Boot] [PATCH V2 32/32] imx: add i.MX8QXP MEK board support

Add i.MX8QXP MEK board support Enabled pinctrl/clk/power domain/mmc/i2c driver.

Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/dts/Makefile | 2 + arch/arm/dts/fsl-imx8qxp-mek.dts | 136 ++++++++++++++++++++++++++ arch/arm/mach-imx/imx8/Kconfig | 13 +++ board/freescale/imx8qxp_mek/Kconfig | 14 +++ board/freescale/imx8qxp_mek/MAINTAINERS | 6 ++ board/freescale/imx8qxp_mek/Makefile | 7 ++ board/freescale/imx8qxp_mek/imx8qxp_mek.c | 152 +++++++++++++++++++++++++++++ configs/imx8qxp_mek_defconfig | 37 +++++++ include/configs/imx8qxp_mek.h | 157 ++++++++++++++++++++++++++++++ 9 files changed, 524 insertions(+) create mode 100644 arch/arm/dts/fsl-imx8qxp-mek.dts create mode 100644 board/freescale/imx8qxp_mek/Kconfig create mode 100644 board/freescale/imx8qxp_mek/MAINTAINERS create mode 100644 board/freescale/imx8qxp_mek/Makefile create mode 100644 board/freescale/imx8qxp_mek/imx8qxp_mek.c create mode 100644 configs/imx8qxp_mek_defconfig create mode 100644 include/configs/imx8qxp_mek.h

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 946023093d..4a4959f0c0 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -438,6 +438,8 @@ dtb-$(CONFIG_MX7) += imx7-colibri.dtb \

dtb-$(CONFIG_ARCH_MX7ULP) += imx7ulp-evk.dtb

+dtb-$(CONFIG_ARCH_IMX8) += fsl-imx8qxp-mek.dtb + dtb-$(CONFIG_RCAR_GEN3) += \ r8a7795-h3ulcb.dtb \ r8a7795-salvator-x.dtb \ diff --git a/arch/arm/dts/fsl-imx8qxp-mek.dts b/arch/arm/dts/fsl-imx8qxp-mek.dts new file mode 100644 index 0000000000..5443ef7e4e --- /dev/null +++ b/arch/arm/dts/fsl-imx8qxp-mek.dts @@ -0,0 +1,136 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2017-2018 NXP + */ + +/dts-v1/; + +#include "fsl-imx8qxp.dtsi" + +/ { + model = "Freescale i.MX8QXP MEK"; + compatible = "fsl,imx8qxp-mek", "fsl,imx8qxp"; + + chosen { + bootargs = "console=ttyLP0,115200 earlycon=lpuart32,0x5a060000,115200"; + stdout-path = &lpuart0; + }; + + regulators { + compatible = "simple-bus"; + + reg_usdhc2_vmmc: usdhc2_vmmc { + compatible = "regulator-fixed"; + regulator-name = "SD1_SPWR"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + gpio = <&gpio4 19 GPIO_ACTIVE_HIGH>; + off-on-delay = <3480>; + enable-active-high; + }; + }; +}; + +&iomuxc { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_hog>; + + imx8qxp-mek { + pinctrl_hog: hoggrp { + fsl,pins = < + SC_P_MCLK_OUT0_ADMA_ACM_MCLK_OUT0 0x0600004c + SC_P_COMP_CTL_GPIO_1V8_3V3_GPIORHB_PAD 0x000514a0 + >; + }; + + pinctrl_ioexp_rst: ioexp_rst_grp { + fsl,pins = < + SC_P_SPI2_SDO_LSIO_GPIO1_IO01 0x06000021 + >; + }; + + pinctrl_lpi2c1: lpi1cgrp { + fsl,pins = < + SC_P_USB_SS3_TC1_ADMA_I2C1_SCL 0x06000021 + SC_P_USB_SS3_TC3_ADMA_I2C1_SDA 0x06000021 + >; + }; + + pinctrl_lpuart0: lpuart0grp { + fsl,pins = < + SC_P_UART0_RX_ADMA_UART0_RX 0x06000020 + SC_P_UART0_TX_ADMA_UART0_TX 0x06000020 + >; + }; + + pinctrl_usdhc1: usdhc1grp { + fsl,pins = < + SC_P_EMMC0_CLK_CONN_EMMC0_CLK 0x06000041 + SC_P_EMMC0_CMD_CONN_EMMC0_CMD 0x00000021 + SC_P_EMMC0_DATA0_CONN_EMMC0_DATA0 0x00000021 + SC_P_EMMC0_DATA1_CONN_EMMC0_DATA1 0x00000021 + SC_P_EMMC0_DATA2_CONN_EMMC0_DATA2 0x00000021 + SC_P_EMMC0_DATA3_CONN_EMMC0_DATA3 0x00000021 + SC_P_EMMC0_DATA4_CONN_EMMC0_DATA4 0x00000021 + SC_P_EMMC0_DATA5_CONN_EMMC0_DATA5 0x00000021 + SC_P_EMMC0_DATA6_CONN_EMMC0_DATA6 0x00000021 + SC_P_EMMC0_DATA7_CONN_EMMC0_DATA7 0x00000021 + SC_P_EMMC0_STROBE_CONN_EMMC0_STROBE 0x00000041 + >; + }; + + pinctrl_usdhc2_gpio: usdhc2gpiogrp { + fsl,pins = < + SC_P_USDHC1_RESET_B_LSIO_GPIO4_IO19 0x00000021 + SC_P_USDHC1_WP_LSIO_GPIO4_IO21 0x00000021 + SC_P_USDHC1_CD_B_LSIO_GPIO4_IO22 0x00000021 + >; + }; + + pinctrl_usdhc2: usdhc2grp { + fsl,pins = < + SC_P_USDHC1_CLK_CONN_USDHC1_CLK 0x06000041 + SC_P_USDHC1_CMD_CONN_USDHC1_CMD 0x00000021 + SC_P_USDHC1_DATA0_CONN_USDHC1_DATA0 0x00000021 + SC_P_USDHC1_DATA1_CONN_USDHC1_DATA1 0x00000021 + SC_P_USDHC1_DATA2_CONN_USDHC1_DATA2 0x00000021 + SC_P_USDHC1_DATA3_CONN_USDHC1_DATA3 0x00000021 + SC_P_USDHC1_VSELECT_CONN_USDHC1_VSELECT 0x00000021 + >; + }; + }; +}; + +&lpuart0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lpuart0>; + status = "okay"; +}; + +&i2c1 { + #address-cells = <1>; + #size-cells = <0>; + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lpi2c1 &pinctrl_ioexp_rst>; + pinctrl-assert-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>; + status = "okay"; +}; + +&usdhc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc1>; + bus-width = <8>; + non-removable; + status = "okay"; +}; + +&usdhc2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>; + bus-width = <4>; + cd-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio4 21 GPIO_ACTIVE_HIGH>; + vmmc-supply = <&reg_usdhc2_vmmc>; + status = "okay"; +}; diff --git a/arch/arm/mach-imx/imx8/Kconfig b/arch/arm/mach-imx/imx8/Kconfig index 4117b39da9..25b09eecba 100644 --- a/arch/arm/mach-imx/imx8/Kconfig +++ b/arch/arm/mach-imx/imx8/Kconfig @@ -6,4 +6,17 @@ config IMX8QXP config SYS_SOC default "imx8"

+choice + prompt "i.MX8 board select" + optional + +config TARGET_IMX8QXP_MEK + bool "Support i.MX8QXP MEK board" + select BOARD_LATE_INIT + select IMX8QXP + +endchoice + +source "board/freescale/imx8qxp_mek/Kconfig" + endif diff --git a/board/freescale/imx8qxp_mek/Kconfig b/board/freescale/imx8qxp_mek/Kconfig new file mode 100644 index 0000000000..b67300d816 --- /dev/null +++ b/board/freescale/imx8qxp_mek/Kconfig @@ -0,0 +1,14 @@ +if TARGET_IMX8QXP_MEK + +config SYS_BOARD + default "imx8qxp_mek" + +config SYS_VENDOR + default "freescale" + +config SYS_CONFIG_NAME + default "imx8qxp_mek" + +source "board/freescale/common/Kconfig" + +endif diff --git a/board/freescale/imx8qxp_mek/MAINTAINERS b/board/freescale/imx8qxp_mek/MAINTAINERS new file mode 100644 index 0000000000..e9bf0b35a3 --- /dev/null +++ b/board/freescale/imx8qxp_mek/MAINTAINERS @@ -0,0 +1,6 @@ +i.MX8QXP MEK BOARD +M: Peng Fan peng.fan@nxp.com +S: Maintained +F: board/freescale/imx8qxp_mek/ +F: include/configs/imx8qxp_mek.h +F: configs/imx8qxp_mek_defconfig diff --git a/board/freescale/imx8qxp_mek/Makefile b/board/freescale/imx8qxp_mek/Makefile new file mode 100644 index 0000000000..f9ee8aeff3 --- /dev/null +++ b/board/freescale/imx8qxp_mek/Makefile @@ -0,0 +1,7 @@ +# +# Copyright 2017 NXP +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += imx8qxp_mek.o diff --git a/board/freescale/imx8qxp_mek/imx8qxp_mek.c b/board/freescale/imx8qxp_mek/imx8qxp_mek.c new file mode 100644 index 0000000000..051c852c5d --- /dev/null +++ b/board/freescale/imx8qxp_mek/imx8qxp_mek.c @@ -0,0 +1,152 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018 NXP + */ + +#include <common.h> +#include <errno.h> +#include <linux/libfdt.h> +#include <environment.h> +#include <fsl_esdhc.h> +#include <asm/io.h> +#include <asm/gpio.h> +#include <asm/arch/clock.h> +#include <asm/arch/sci/sci.h> +#include <asm/arch/imx8-pins.h> +#include <asm/arch/iomux.h> +#include <asm/arch/sys_proto.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define GPIO_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +#define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \ + (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ + (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ + (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) + +static iomux_cfg_t uart0_pads[] = { + SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads)); +} + +int board_early_init_f(void) +{ + int ret; + /* Set UART0 clock root to 80 MHz */ + sc_pm_clock_rate_t rate = 80000000; + + /* Power up UART0 */ + ret = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON); + if (ret) + return ret; + + ret = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate); + if (ret) + return ret; + + /* Enable UART0 clock root */ + ret = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false); + if (ret) + return ret; + + setup_iomux_uart(); + + return 0; +} + +#ifdef CONFIG_MXC_GPIO +#define IOEXP_RESET IMX_GPIO_NR(1, 1) + +static iomux_cfg_t board_gpios[] = { + SC_P_SPI2_SDO | MUX_MODE_ALT(4) | MUX_PAD_CTRL(GPIO_PAD_CTRL), + SC_P_ENET0_REFCLK_125M_25M | MUX_MODE_ALT(4) | + MUX_PAD_CTRL(GPIO_PAD_CTRL), +}; + +static void board_gpio_init(void) +{ + int ret; + struct gpio_desc desc; + + ret = dm_gpio_lookup_name("gpio@1a_3", &desc); + if (ret) + return; + + ret = dm_gpio_request(&desc, "bb_per_rst_b"); + if (ret) + return; + + dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT); + dm_gpio_set_value(&desc, 0); + udelay(50); + dm_gpio_set_value(&desc, 1); + + imx8_iomux_setup_multiple_pads(board_gpios, ARRAY_SIZE(board_gpios)); + + /* enable i2c port expander assert reset line */ + gpio_request(IOEXP_RESET, "ioexp_rst"); + gpio_direction_output(IOEXP_RESET, 1); +} +#endif + +int checkboard(void) +{ + puts("Board: iMX8QXP MEK\n"); + + print_bootinfo(); + + return 0; +} + +int board_init(void) +{ +#ifdef CONFIG_MXC_GPIO + board_gpio_init(); +#endif + + return 0; +} + +void detail_board_ddr_info(void) +{ + puts("\nDDR "); +} + +/* + * Board specific reset that is system reset. + */ +void reset_cpu(ulong addr) +{ + /* TODO */ +} + +#ifdef CONFIG_OF_BOARD_SETUP +int ft_board_setup(void *blob, bd_t *bd) +{ + return 0; +} +#endif + +int board_mmc_get_env_dev(int devno) +{ + return devno; +} + +int board_late_init(void) +{ +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + env_set("board_name", "MEK"); + env_set("board_rev", "iMX8QXP"); +#endif + + return 0; +} diff --git a/configs/imx8qxp_mek_defconfig b/configs/imx8qxp_mek_defconfig new file mode 100644 index 0000000000..97ca68b36c --- /dev/null +++ b/configs/imx8qxp_mek_defconfig @@ -0,0 +1,37 @@ +CONFIG_ARM=y +CONFIG_ARCH_IMX8=y +CONFIG_SYS_TEXT_BASE=0x80020000 +CONFIG_SYS_MALLOC_F_LEN=0x2000 +CONFIG_TARGET_IMX8QXP_MEK=y +CONFIG_DEFAULT_DEVICE_TREE="fsl-imx8qxp-mek" +CONFIG_BOOTDELAY=3 +# CONFIG_CMD_IMPORTENV is not set +CONFIG_CMD_GPIO=y +CONFIG_CMD_I2C=y +CONFIG_CMD_MMC=y +CONFIG_CMD_DHCP=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y +CONFIG_CMD_CACHE=y +CONFIG_CMD_FAT=y +CONFIG_ENV_IS_IN_MMC=y +CONFIG_CLK_IMX8=y +CONFIG_DM_GPIO=y +CONFIG_DM_PCA953X=y +CONFIG_DM_I2C=y +CONFIG_SYS_I2C_IMX_LPI2C=y +CONFIG_I2C_MUX=y +CONFIG_I2C_MUX_PCA954x=y +CONFIG_MISC=y +CONFIG_DM_MMC=y +CONFIG_DM_ETH=y +CONFIG_PINCTRL=y +CONFIG_PINCTRL_IMX8=y +CONFIG_POWER_DOMAIN=y +CONFIG_IMX8_POWER_DOMAIN=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_REGULATOR_FIXED=y +CONFIG_DM_REGULATOR_GPIO=y +CONFIG_DM_SERIAL=y +CONFIG_FSL_LPUART=y +# CONFIG_EFI_LOADER is not set diff --git a/include/configs/imx8qxp_mek.h b/include/configs/imx8qxp_mek.h new file mode 100644 index 0000000000..f0aa1c7541 --- /dev/null +++ b/include/configs/imx8qxp_mek.h @@ -0,0 +1,157 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2018 NXP + */ + +#ifndef __IMX8QXP_MEK_H +#define __IMX8QXP_MEK_H + +#include <linux/sizes.h> +#include <asm/arch/imx-regs.h> + +#define CONFIG_REMAKE_ELF + +#define CONFIG_BOARD_EARLY_INIT_F + +/* Flat Device Tree Definitions */ +#define CONFIG_OF_BOARD_SETUP + +#undef CONFIG_CMD_EXPORTENV +#undef CONFIG_CMD_IMPORTENV +#undef CONFIG_CMD_IMLS + +#undef CONFIG_CMD_CRC32 +#undef CONFIG_BOOTM_NETBSD + +#define CONFIG_FSL_ESDHC +#define CONFIG_FSL_USDHC +#define CONFIG_SYS_FSL_ESDHC_ADDR 0 +#define USDHC1_BASE_ADDR 0x5B010000 +#define USDHC2_BASE_ADDR 0x5B020000 +#define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */ + +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + +/* GPIO configs */ +#define CONFIG_MXC_GPIO + +/* Initial environment variables */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + "script=boot.scr\0" \ + "image=Image\0" \ + "panel=NULL\0" \ + "console=ttyLP0,${baudrate} earlycon=lpuart32,0x5a060000,${baudrate}\0" \ + "fdt_addr=0x83000000\0" \ + "fdt_high=0xffffffffffffffff\0" \ + "boot_fdt=try\0" \ + "fdt_file=fsl-imx8qxp-mek.dtb\0" \ + "initrd_addr=0x83800000\0" \ + "initrd_high=0xffffffffffffffff\0" \ + "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \ + "mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \ + "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \ + "mmcautodetect=yes\0" \ + "mmcargs=setenv bootargs console=${console} root=${mmcroot}\0 " \ + "loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ + "bootscript=echo Running bootscript from mmc ...; " \ + "source\0" \ + "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \ + "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ + "mmcboot=echo Booting from mmc ...; " \ + "run mmcargs; " \ + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ + "if run loadfdt; then " \ + "booti ${loadaddr} - ${fdt_addr}; " \ + "else " \ + "echo WARN: Cannot load the DT; " \ + "fi; " \ + "else " \ + "echo wait for boot; " \ + "fi;\0" \ + "netargs=setenv bootargs console=${console} " \ + "root=/dev/nfs " \ + "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ + "netboot=echo Booting from net ...; " \ + "run netargs; " \ + "if test ${ip_dyn} = yes; then " \ + "setenv get_cmd dhcp; " \ + "else " \ + "setenv get_cmd tftp; " \ + "fi; " \ + "${get_cmd} ${loadaddr} ${image}; " \ + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ + "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ + "booti ${loadaddr} - ${fdt_addr}; " \ + "else " \ + "echo WARN: Cannot load the DT; " \ + "fi; " \ + "else " \ + "booti; " \ + "fi;\0" + +#define CONFIG_BOOTCOMMAND \ + "mmc dev ${mmcdev}; if mmc rescan; then " \ + "if run loadbootscript; then " \ + "run bootscript; " \ + "else " \ + "if run loadimage; then " \ + "run mmcboot; " \ + "else run netboot; " \ + "fi; " \ + "fi; " \ + "else booti ${loadaddr} - ${fdt_addr}; fi" + +/* Link Definitions */ +#define CONFIG_LOADADDR 0x80280000 + +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR + +#define CONFIG_SYS_INIT_SP_ADDR 0x80200000 + +/* Default environment is in SD */ +#define CONFIG_ENV_SIZE 0x1000 +#define CONFIG_ENV_OFFSET (64 * SZ_64K) +#define CONFIG_SYS_MMC_ENV_PART 0 /* user area */ + +#define CONFIG_SYS_MMC_IMG_LOAD_PART 1 + +/* On LPDDR4 board, USDHC1 is for eMMC, USDHC2 is for SD on CPU board */ +#define CONFIG_SYS_MMC_ENV_DEV 1 /* USDHC2 */ +#define CONFIG_MMCROOT "/dev/mmcblk1p2" /* USDHC2 */ +#define CONFIG_SYS_FSL_USDHC_NUM 2 + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN ((CONFIG_ENV_SIZE + (32 * 1024)) * 1024) + +#define CONFIG_SYS_SDRAM_BASE 0x80000000 +#define CONFIG_NR_DRAM_BANKS 3 +#define PHYS_SDRAM_1 0x80000000 +#define PHYS_SDRAM_2 0x880000000 +#define PHYS_SDRAM_1_SIZE 0x80000000 /* 2 GB */ +/* LPDDR4 board total DDR is 3GB */ +#define PHYS_SDRAM_2_SIZE 0x40000000 /* 1 GB */ + +/* Serial */ +#define CONFIG_BAUDRATE 115200 + +/* Monitor Command Prompt */ +#define CONFIG_HUSH_PARSER +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#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) + +/* Generic Timer Definitions */ +#define COUNTER_FREQUENCY 8000000 /* 8MHz */ + +#ifndef CONFIG_DM_PCA953X +#define CONFIG_PCA953X +#define CONFIG_CMD_PCA953X +#define CONFIG_CMD_PCA953X_INFO +#endif + +#endif /* __IMX8QXP_MEK_H */