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操作系统：ubuntu 22.04 实验环境：韦东山IMX6ULL EMMC, 野火IMX6ULL NAND, 米尔科技IMX6ULL NAND 分别介绍旧系统和最新系统的移植，注意有些路径为我自己的本地路径，以$开头为linux指令。其余的为配置信息。请不要直接复制指令，建议根据实际情况填写指令。后期我会完善一些过程。 1. 交叉编译器https://releases.linaro.org/components/toolchain/binaries/ Linaro - 下载最新版本，并解压 $ wget https://releases.linaro.org/components/toolchain/binaries/latest-7/arm-linux-gnueabihf/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.xz $ tar -xvf gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf.tar.xz 配置环境变量 $ vim ~/.bashrc export PATH=$PATH:/home/bohao/Nand/tool/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin export ARCH=arm export CROSS_COMPILE=arm-linux-gnueabihf- $ source ~/.bashrc 查看版本信息 $ arm-linux-gnueabihf-gcc --version arm-linux-gnueabihf-gcc (Linaro GCC 7.5-2019.12) 7.5.0 Copyright (C) 2017 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. GNU Toolchain | GNU-A Downloads – Arm Developer None - 下载最新版本，并解压 $ wget https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf.tar.xz $ tar xvf gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf.tar.xz 配置环境变量 $ vim ~/.bashrc export PATH=$PATH:/home/bohao/Nand/tool//home/bohao/Nand/tool/gcc-arm-10.3-2021.07-x86_64-arm-none-linux-gnueabihf/bin export ARCH=arm export CROSS_COMPILE=arm-none-linux-gnueabihf- $ source ~/.bashrc 查看版本信息 arm-none-linux-gnueabihf-gcc --version arm-none-linux-gnueabihf-gcc (GNU Toolchain for the A-profile Architecture 10.3-2021.07 (arm-10.29)) 10.3.1 20210621 Copyright (C) 2020 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 安装相关工具 $ sudo apt install bc build-essential git libncurses5-dev lzop perl libssl-dev bison flex 2. U-boothttps://source.codeaurora.org/external/imx/uboot-imx/ 2016 -下载最旧版本请参考：基于imx6ull原厂代码移植uboot - 知乎 $ git clone https://source.codeaurora.org/external/imx/uboot-imx -b nxp/imx_v2016.03_4.1.15_2.0.0_ga IMX6ULL - EMMC - LAN8720 2016复制配置文件，并修改部分内容 $ cp configs/mx6ull_14x14_evk_emmc_defconfig configs/100zzu_defconfig CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/100zzu/imximage.cfg,MX6ULL_EVK_EMMC_REWORK" CONFIG_ARM=y CONFIG_ARCH_MX6=y CONFIG_TARGET_100ZZU=y CONFIG_CMD_GPIO=y CONFIG_LOCALVERSION_AUTO=n 复制头文件，并修改部分内容 $ cp include/configs/mx6ullevk.h include/configs/100zzu.h #ifndef __100ZZU_CONFIG_H #define __100ZZU_CONFIG_H CONFIG_EXTRA_ENV_SETTINGS "ethaddr=00:04:9f:04:d2:35\0" \ "ipaddr=192.168.0.121\0" \ "netmask=255.255.255.0\0" \ "gatewayip=192.168.0.1\0" \ "bootargs=console=ttymxc0,115200 root=/dev/mmcblk1p2 rootwait rw\0" \ CONFIG_BOOTCOMMAND "mmc dev 1;" \ "fatload mmc 1:1 0x80800000 zImage;" \ "fatload mmc 1:1 0x83000000 100zzu.dtb;" \ "bootz 0x80800000 - 0x83000000;" #ifdef CONFIG_CMD_NET #define CONFIG_CMD_PING #define CONFIG_CMD_DHCP #define CONFIG_CMD_MII #define CONFIG_FEC_MXC #define CONFIG_MII #define CONFIG_FEC_ENET_DEV 0 #if (CONFIG_FEC_ENET_DEV == 0) #define IMX_FEC_BASE ENET_BASE_ADDR #define CONFIG_FEC_MXC_PHYADDR 0x0 #define CONFIG_FEC_XCV_TYPE RMII #elif (CONFIG_FEC_ENET_DEV == 1) #define IMX_FEC_BASE ENET2_BASE_ADDR #define CONFIG_FEC_MXC_PHYADDR 0x1 #define CONFIG_FEC_XCV_TYPE RMII #endif #define CONFIG_ETHPRIME "FEC" #define CONFIG_PHYLIB #define CONFIG_PHY_SMSC #endif 复制板级文件夹，修改部分文件中的内容 $ cp board/freescale/mx6ullevk/ board/freescale/100zzu -rf $ mv board/freescale/100zzu/mx6ullevk.c board/freescale/100zzu/100zzu.c PLUGIN board/freescale/100zzu/plugin.bin 0x00907000 PLUGIN board/freescale/100zzu/plugin.bin 0x00907000 if TARGET_100ZZU config SYS_BOARD default "100zzu" config SYS_VENDOR default "freescale" config SYS_CONFIG_NAME default "100zzu" endif 100ZZU BOARD M: Peng Fan <peng.fan@nxp.com> S: Maintained F: board/freescale/100zzu/ F: include/configs/100zzu.h F: configs/100zzu_defconfig obj-y := 100zzu.o extra-$(CONFIG_USE_PLUGIN) := plugin.bin $(obj)/plugin.bin: $(obj)/plugin.o $(OBJCOPY) -O binary --gap-fill 0xff $< $@ 修改Kconfig文件，在相应位置添加部分内容 $ vim arch/arm/cpu/armv7/mx6/Kconfig config TARGET_100ZZU bool "Support 100ZZU" select MX6ULL select DM select DM_THERMAL source "board/freescale/100zzu/Kconfig" 修改网络驱动，针对LAN8720-PHY $ vim board/freescale/100zzu/100zzu.c ... #define IOX_OE IMX_GPIO_NR(5, 8) #define ENET1_RESET IMX_GPIO_NR(5, 9) #define ENET2_RESET IMX_GPIO_NR(5, 6) ... MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_SNVS_TAMPER9__GPIO5_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), ... MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_SNVS_TAMPER6__GPIO5_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL), if (fec_id == 0){ imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); gpio_direction_output(ENET1_RESET, 1); gpio_set_value(ENET1_RESET, 0); mdelay(20); gpio_set_value(ENET1_RESET, 1); } else{ imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads)); gpio_direction_output(ENET1_RESET, 1); gpio_set_value(ENET2_RESET, 0); mdelay(20); gpio_set_value(ENET2_RESET, 1); } $ vim drivers/net/phy/phy.c #ifdef CONFIG_PHY_SMSC static int lan8720_flag = 0; int bmcr_reg = 0; if (lan8720_flag == 0) { bmcr_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR); phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET); while(phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR) & BMCR_RESET) { udelay(100); } phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, bmcr_reg); lan8720_flag = 1; } #endif 结果如下 U-Boot 2016.03+ (Oct 22 2021 - 18:03:47 -0700) CPU: Freescale i.MX6ULL rev1.1 69 MHz (running at 396 MHz) CPU: Industrial temperature grade (-40C to 105C) at 43C Reset cause: POR Board: MX6ULL 14x14 EVK I2C: ready DRAM: 512 MiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 *** Warning - bad CRC, using default environment Display: TFT43AB (480x272) Video: 480x272x24 In: serial Out: serial Err: serial switch to partitions #0, OK mmc1(part 0) is current device Net: FEC0 Normal Boot Hit any key to stop autoboot: 0 => ping 192.168.0.1 FEC0 Waiting for PHY auto negotiation to complete... done Using FEC0 device host 192.168.0.1 is alive IMX6ULL - NAND - KSZ8081 2016复制配置文件，并修改部分内容 $ cp configs/mx6ull_14x14_evk_nand_defconfig configs/200zzu_defconfig CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/200zzu/imximage.cfg,SYS_BOOT_NAND,DDR_SIZE=512" CONFIG_ARM=y CONFIG_ARCH_MX6=y CONFIG_TARGET_200ZZU=y CONFIG_CMD_GPIO=y CONFIG_LOCALVERSION_AUTO=n 复制头文件，并修改部分内容 $ cp include/configs/mx6ullevk.h include/configs/200zzu.h #ifndef __200ZZU_CONFIG_H #define __200ZZU_CONFIG_H #ifdef CONFIG_TARGET_MX6ULL_9X9_EVK #define PHYS_SDRAM_SIZE SZ_256M #define CONFIG_BOOTARGS_CMA_SIZE "cma=96M " #else #if (CONFIG_DDR_SIZE == 512) #define PHYS_SDRAM_SIZE SZ_512M #elif (CONFIG_DDR_SIZE == 256) #define PHYS_SDRAM_SIZE SZ_256M #endif #define CONFIG_BOOTARGS_CMA_SIZE "" /* DCDC used on 14x14 EVK, no PMIC */ #undef CONFIG_LDO_BYPASS_CHECK #endif #ifdef CONFIG_SYS_BOOT_NAND #define CONFIG_MFG_NAND_PARTITION "mtdparts=gpmi-nand:5m(boot),1m(env),10m(kernel),1m(dtb),-(rootfs) " #else #define CONFIG_MFG_NAND_PARTITION "" #endif #define CONFIG_EXTRA_ENV_SETTINGS \ CONFIG_MFG_ENV_SETTINGS \ "panel=TFT43AB\0" \ "ethaddr=00:04:9f:04:d2:35\0" \ "ipaddr=192.168.0.121\0" \ "netmask=255.255.255.0\0" \ "gatewayip=192.168.0.1\0" \ "fdt_addr=0x83000000\0" \ "fdt_high=0xffffffff\0" \ "console=ttymxc0\0" \ "bootargs=console=ttymxc0,115200 ubi.mtd=4 " \ "root=ubi0:rootfs rootfstype=ubifs " \ CONFIG_BOOTARGS_CMA_SIZE \ "mtdparts=gpmi-nand:5m(boot),1m(env),10m(kernel),1m(dtb),-(rootfs)\0"\ "bootcmd=nand read 0x80800000 0x600000 0xA00000;"\ "nand read 0x83000000 0x1000000 0x100000;"\ "bootz 0x80800000 - 0x83000000\0" 复制板级文件夹，修改部分文件中的内容 $ cp board/freescale/mx6ullevk/ board/freescale/200zzu -rf $ mv board/freescale/200zzu/mx6ullevk.c board/freescale/200zzu/200zzu.c PLUGIN board/freescale/200zzu/plugin.bin 0x00907000 PLUGIN board/freescale/200zzu/plugin.bin 0x00907000 if TARGET_200ZZU config SYS_BOARD default "200zzu" config SYS_VENDOR default "freescale" config SYS_CONFIG_NAME default "200zzu" endif 200ZZU BOARD M: Peng Fan <peng.fan@nxp.com> S: Maintained F: board/freescale/200zzu/ F: include/configs/200zzu.h F: configs/200zzu_defconfig obj-y := 200zzu.o 修改Kconfig文件，在相应位置添加部分内容 $ vim arch/arm/cpu/armv7/mx6/Kconfig config TARGET_200ZZU bool "Support 200ZZU" select MX6ULL select DM select DM_THERMAL source "board/freescale/200zzu/Kconfig" 编译烧录，结果如下 U-Boot 2016.03+ (Oct 22 2021 - 18:40:30 -0700) CPU: Freescale i.MX6ULL rev1.1 69 MHz (running at 396 MHz) CPU: Industrial temperature grade (-40C to 105C) at 43C Reset cause: POR Board: MX6ULL 14x14 EVK I2C: ready DRAM: 512 MiB NAND: 512 MiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 *** Warning - bad CRC, using default environment Display: TFT43AB (480x272) Video: 480x272x24 In: serial Out: serial Err: serial Net: FEC1 Normal Boot Hit any key to stop autoboot: 0 => ping 192.168.0.1 Using FEC1 device host 192.168.0.1 is alive https://source.codeaurora.org/external/imx/uboot-imx/ 2020 -下载最新版本$ git clone https://source.codeaurora.org/external/imx/uboot-imx -b imx_v2020.04_5.4.70_2.3.0 IMX6ULL - NAND - KSZ8081 2020复制配置文件，并修改部分内容 $ cp configs/mx6ull_14x14_evk_nand_defconfig configs/200zzu_defconfig CONFIG_TARGET_200ZZU=y CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/200zzu/imximage.cfg" CONFIG_DEFAULT_DEVICE_TREE="200zzu" CONFIG_LOCALVERSION_AUTO=n CONFIG_NET_RANDOM_ETHADDR=y 复制头文件，并修改部分内容 $ cp include/configs/mx6ullevk.h include/configs/100zzu.h #ifndef __200ZZU_CONFIG_H #define __200ZZU_CONFIG_H #ifdef CONFIG_NAND_BOOT #define MFG_NAND_PARTITION "mtdparts=gpmi-nand:5m(boot),10m(kernel),1m(dtb),-(rootfs)" #else #define MFG_NAND_PARTITION "" #endif #define CONFIG_EXTRA_ENV_SETTINGS \ CONFIG_MFG_ENV_SETTINGS \ TEE_ENV \ "splashimage=0x8c000000\0" \ "fdt_addr=0x83000000\0" \ "fdt_high=0xffffffff\0" \ "tee_addr=0x84000000\0" \ "console=ttymxc0\0" \ "ethaddr=00:04:9f:04:d2:35\0" \ "ipaddr=192.168.0.121\0" \ "netmask=255.255.255.0\0" \ "gatewayip=192.168.0.1\0" \ "bootargs=console=ttymxc0,115200 ubi.mtd=nandrootfs " \ "root=ubi0:rootfs rootfstype=ubifs " \ BOOTARGS_CMA_SIZE \ MFG_NAND_PARTITION \ "\0" \ "bootcmd=nand read 0x80800000 0x500000 0xA00000;"\ "nand read 0x83000000 0x1000000 0x100000;"\ "bootz 0x80800000 - 0x83000000;" \ 复制板级文件夹，修改部分文件中的内容 $ cp board/freescale/mx6ullevk/ board/freescale/200zzu -rf $ mv board/freescale/200zzu/mx6ullevk.c board/freescale/200zzu/200zzu.c $ vim board/freescale/200zzu/imximage_lpddr2.cfg PLUGIN board/freescale/200zzu/plugin.bin 0x00907000 $ vim board/freescale/200zzu/imximage.cfg PLUGIN board/freescale/200zzu/plugin.bin 0x00907000 $ vim board/freescale/200zzu/Kconfig if TARGET_200ZZU config SYS_BOARD default "200zzu" config SYS_VENDOR default "freescale" config SYS_CONFIG_NAME default "200zzu" config SYS_TEXT_BASE default 0x87800000 endif $ vim board/freescale/200zzu/MAINTAINERS 200ZZU BOARD M: Peng Fan <peng.fan@nxp.com> S: Maintained F: board/freescale/200zzu/ F: include/configs/200zzu.h F: configs/200zzu_defconfig $ vim board/freescale/200zzu/Makefile obj-y := 200zzu.o 修改Kconfig文件，在相应位置添加部分内容 $ vim arch/arm/mach-imx/mx6/Kconfig config TARGET_200ZZU bool "Support 200zzu" select BOARD_LATE_INIT select DM select DM_THERMAL select MX6ULL imply CMD_DM source "board/freescale/200zzu/Kconfig" 复制设备树文件 $ cp arch/arm/dts/imx6ull-14x14-evk-gpmi-weim.dts arch/arm/dts/200zzu.dts $ vim arch/arm/dts/Makefile dtb-$(CONFIG_MX6ULL) += \ ... ... imx6ull-14x14-evk-gpmi-weim.dtb \ 200zzu.dtb \ ... ...编译烧录，结果如下 U-Boot 2020.04+ (Oct 22 2021 - 20:39:22 -0700) CPU: i.MX6ULL rev1.1 792 MHz (running at 396 MHz) CPU: Industrial temperature grade (-40C to 105C) at 42C Reset cause: POR Model: i.MX6 ULL 14x14 EVK Board Board: MX6ULL 14x14 EVK DRAM: 512 MiB NAND: 512 MiB MMC: FSL_SDHC: 0 Loading Environment from NAND... *** Warning - bad CRC, using default environment [*]-Video Link 0 (480 x 272) [0] lcdif@21c8000, video In: serial Out: serial Err: serial Net: Get shared mii bus on ethernet@2188000 eth1: ethernet@20b4000, eth0: ethernet@2188000 [PRIME] Fastboot: Normal Normal Boot Hit any key to stop autoboot: 0 => ping 192.168.0.1 Using ethernet@2188000 device host 192.168.0.1 is alive IMX6ULL - EMMC - LAN8720 2020复制配置文件，并添加部分内容 $ cp configs/mx6ull_14x14_evk_emmc_defconfig configs/100zzu_defconfig CONFIG_ENV_SIZE=0x4000 CONFIG_TARGET_100ZZU=y CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/100zzu/imximage.cfg" CONFIG_DEFAULT_DEVICE_TREE="100zzu" CONFIG_LOCALVERSION_AUTO=n CONFIG_NET_RANDOM_ETHADDR=y 复制头文件，并修改部分内容 $ cp include/configs/mx6ullevk.h include/configs/100zzu.h #ifndef __100ZZU_CONFIG_H #define __100ZZU_CONFIG_H CONFIG_EXTRA_ENV_SETTINGS "ethaddr=00:04:9f:04:d2:35\0" \ "ipaddr=192.168.0.121\0" \ "netmask=255.255.255.0\0" \ "gatewayip=192.168.0.1\0" \ "bootargs=console=ttymxc0,115200 root=/dev/mmcblk1p2 rootwait rw\0" \ CONFIG_BOOTCOMMAND "mmc dev 1;" \ "fatload mmc 1:1 0x80800000 zImage;" \ "fatload mmc 1:1 0x83000000 100zzu.dtb;" \ "bootz 0x80800000 - 0x83000000;" 复制板级文件夹，修改部分文件中的内容 $ cp board/freescale/mx6ullevk/ board/freescale/100zzu -rf $ mv board/freescale/100zzu/mx6ullevk.c board/freescale/100zzu/100zzu.c $ vim board/freescale/100zzu/imximage_lpddr2.cfg PLUGIN board/freescale/100zzu/plugin.bin 0x00907000 $ vim board/freescale/100zzu/imximage.cfg PLUGIN board/freescale/100zzu/plugin.bin 0x00907000 $ vim board/freescale/100zzu/Kconfig if TARGET_100ZZU config SYS_BOARD default "100zzu" config SYS_VENDOR default "freescale" config SYS_CONFIG_NAME default "100zzu" config SYS_TEXT_BASE default 0x87800000 endif $ vim board/freescale/100zzu/MAINTAINERS 100ZZU BOARD M: Peng Fan <peng.fan@nxp.com> S: Maintained F: board/freescale/100zzu/ F: include/configs/100zzu.h F: configs/100zzu_defconfig $ vim board/freescale/100zzu/Makefile obj-y := 100zzu.o 修改Kconfig文件，在相应位置添加部分内容 $ vim arch/arm/mach-imx/mx6/Kconfig config TARGET_100ZZU bool "Support 100zzu" select BOARD_LATE_INIT select DM select DM_THERMAL select MX6ULL imply CMD_DM source "board/freescale/100zzu/Kconfig"复制设备树文件，并修改网络驱动 $ cp arch/arm/dts/imx6ull-14x14-evk-emmc.dts arch/arm/dts/100zzu.dts $ vim arch/arm/dts/Makefile dtb-$(CONFIG_MX6ULL) += \ ... ... imx6ull-14x14-evk-emmc.dtb \ 100zzu.dtb \ ... ... $ vim arch/arm/dts/imx6ul-14x14-evk.dtsi pinctrl_enet1: enet1grp { fsl,pins = < ... MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b009 MX6UL_PAD_SNVS_TAMPER9__GPIO5_IO09 0x10B0 >; }; pinctrl_enet2: enet2grp { fsl,pins = < ... MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b009 MX6UL_PAD_SNVS_TAMPER6__GPIO5_IO06 0x10B0 >; }; pinctrl_lcdif_ctrl: lcdifctrlgrp { fsl,pins = < ... MX6UL_PAD_LCD_VSYNC__LCDIF_VSYNC 0x79 /* used for lcd reset MX6UL_PAD_SNVS_TAMPER9__GPIO5_IO09 0x79 */ >; }; &fec1 { ... phy-handle = <ðphy0>; phy-reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>; phy-reset-duration = <200>; status = "okay"; }; &fec2 { ... phy-handle = <ðphy1>; phy-reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>; phy-reset-duration = <200>; status = "okay"; mdio { #address-cells = <1>; #size-cells = <0>; ethphy0: ethernet-phy@0 { reg = <0>; smsc,led-mode = <1>; clocks = <&clks IMX6UL_CLK_ENET_REF>; clock-names = "rmii-ref"; }; ethphy1: ethernet-phy@1 { reg = <1>; smsc,led-mode = <1>; clocks = <&clks IMX6UL_CLK_ENET2_REF>; clock-names = "rmii-ref"; }; }; }; $ vim drivers/net/phy/phy.c int genphy_config_aneg(struct phy_device *phydev) { int result; phy_reset(phydev); ... }编译烧录，结果如下 U-Boot 2020.04+ (Oct 22 2021 - 19:14:59 -0700) CPU: i.MX6ULL rev1.1 792 MHz (running at 396 MHz) CPU: Industrial temperature grade (-40C to 105C) at 39C Reset cause: POR Model: i.MX6 ULL 14x14 EVK Board Board: MX6ULL 14x14 EVK DRAM: 512 MiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from MMC... *** Warning - bad CRC, using default environment [*]-Video Link 0 (480 x 272) [0] lcdif@21c8000, video In: serial Out: serial Err: serial switch to partitions #0, OK mmc1(part 0) is current device flash target is MMC:1 Net: Get shared mii bus on ethernet@2188000 Could not get PHY for FEC1: addr 0 eth1: ethernet@20b4000Get shared mii bus on ethernet@2188000 , eth0: ethernet@2188000 Fastboot: Normal Normal Boot Hit any key to stop autoboot: 0 => ping 192.168.0.1 Using ethernet@2188000 device host 192.168.0.1 is alive 3. Kernelhttps://source.codeaurora.org/external/imx/linux-imx 5.4.70 - 下载最新版本$ git clone https://source.codeaurora.org/external/imx/linux-imx -b imx_5.4.70_2.3.0 IMX6ULL - NAND - KSZ8081 5.4.70复制配置文件 $ cp arch/arm/configs/imx_v7_defconfig arch/arm/configs/200zzu_defconfig CONFIG_LOCALVERSION_AUTO=n复制设备树 $ cp arch/arm/boot/dts/imx6ull-14x14-evk-gpmi-weim.dts arch/arm/boot/dts/200zzu.dts编译并烧录，网络可用 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.4.70+ (bohao@ubuntu) (gcc version 7.5.0 (Linaro GCC 7.5-2019.12)) #1 SMP Fri Oct 22 23:13:02 PDT 2021 [ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 ULL 14x14 EVK Board [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: Getting EFI parameters from FDT: / # ifconfig eth1 192.168.0.121 netmask 255.255.255.0 / # route add default gw 192.168.0.1 / # ping PING (104.193.88.77): 56 data bytes 64 bytes from 104.193.88.77: seq=0 ttl=49 time=165.796 ms 64 bytes from 104.193.88.77: seq=1 ttl=49 time=165.259 ms 64 bytes from 104.193.88.77: seq=2 ttl=49 time=165.165 ms IMX6ULL - EMMC - LAN8720 5.4.70复制配置文件 $ cp arch/arm/configs/imx_v7_defconfig arch/arm/configs/200zzu_defconfig CONFIG_LOCALVERSION_AUTO=n复制并修改设备树 $ cp arch/arm/boot/dts/imx6ull-14x14-evk-gpmi-weim.dts arch/arm/boot/dts/200zzu.dts $ vim arch/arm/boot/dts/imx6ul-14x14-evk.dtsi pinctrl_enet1: enet1grp { fsl,pins = < ... MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b031 MX6UL_PAD_SNVS_TAMPER9__GPIO5_IO09 0x10B0 >; }; pinctrl_enet2: enet2grp { fsl,pins = < ... MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b031 MX6UL_PAD_SNVS_TAMPER6__GPIO5_IO06 0x10B0 >; }; pinctrl_lcdif_ctrl: lcdifctrlgrp { fsl,pins = < ... /* used for lcd reset MX6UL_PAD_SNVS_TAMPER9__GPIO5_IO09 0x79 */ >; }; &fec1 { ... phy-handle = <ðphy0>; phy-reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>; phy-reset-duration = <200>; status = "okay"; }; &fec2 { ... phy-handle = <ðphy1>; phy-reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>; phy-reset-duration = <200>; status = "okay"; mdio { #address-cells = <1>; #size-cells = <0>; ethphy0: ethernet-phy@0 { reg = <0>; smsc,led-mode = <1>; clocks = <&clks IMX6UL_CLK_ENET_REF>; clock-names = "rmii-ref"; }; ethphy1: ethernet-phy@1 { reg = <1>; smsc,led-mode = <1>; clocks = <&clks IMX6UL_CLK_ENET2_REF>; clock-names = "rmii-ref"; }; }; };编译并烧录，网络可用 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.4.70+ (bohao@ubuntu) (gcc version 7.5.0 (Linaro GCC 7.5-2019.12)) #1 SMP PREEMPT Fri Oct 22 23:35:54 PDT 2021 [ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Freescale i.MX6 ULL 14x14 EVK Board [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] Reserved memory: created CMA memory pool at 0x96000000, size 160 MiB [ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool [ 0.000000] percpu: Embedded 15 pages/cpu s32076 r8192 d21172 u61440 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 129920 / # ifconfig eth1 192.168.0.121 netmask 255.255.255.0 / # route add default gw 192.168.0.1 / # ping PING (104.193.88.77): 56 data bytes 64 bytes from 104.193.88.77: seq=0 ttl=49 time=165.168 ms 64 bytes from 104.193.88.77: seq=1 ttl=49 time=165.095 ms 64 bytes from 104.193.88.77: seq=2 ttl=49 time=165.100 ms 4. 根文件系统https://busybox.net/ wget https://busybox.net/downloads/busybox-1.34.1.tar.bz2 (责任编辑：) |