- 文章假设读者肯定水平理解 linux 基础知识
- 文章来源于《嵌入式linux齐全开发手册》- IMX6ull 开发板从零移植篇
区别在于:本文形容从各个网站(官网)下载最新 ubuntu、穿插编译器、uboot、kernel、buildroot 从零开始构建,更靠近理论工程环境(可同时穿插参阅两份文章)
一、对于 ubuntu
- 下载安装最新桌面 LTS 版本 ubuntu
- 失常步骤装置(参考网络其它文章)
几个要害的设置
- 磁盘大小:60GB 以上
- 网络连接:应用桥接网络(复制网络连接状态)[路由器连贯开发板和电脑]
二、对于穿插工具链
1、下载
ARM开发者核心下载穿插编译工具链
host 为 linux `x86_64 linux`imx6ul 为 arm_A7 架构 `AArch32`imx6ul 反对硬件浮点 `hard fllat`需反对 linux 操作系统 `none-linux`
2、配置
解压缩
tiansong@tiansong:~/100ask_imx6ull_pro$ lsarm-gnu-toolchain-11.3.rel1-x86_64-arm-none-linux-gnueabihf.tar.xztiansong@tiansong:~/100ask_imx6ull_pro$ tar -xvf arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-linux-gnueabihf.tar.xztiansong@tiansong:~/100ask_imx6ull_pro$ lsarm-gnu-toolchain-11.3.rel1-x86_64-arm-none-linux-gnueabihf arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-linux-gnueabihf.tar.xz
设置环境变量
tiansong@tiansong:~$ vim ~/.bashrc# 在文件开端追加export ARCH=armexport CROSS_COMPILE=arm-none-linux-gnueabihf-export PATH=$PATH:/home/tiansong/100ask_imx6ull_pro/arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-linux-gnueabihf/bin# 使环境变量在以后终端失效tiansong@tiansong:~/100ask_imx6ull_pro$ source ~/.bashrc
验证是否配置胜利
tiansong@tiansong:~/100ask_imx6ull_pro$ arm-none-linux-gnueabihf-gcc -vUsing built-in specs.COLLECT_GCC=arm-none-linux-gnueabihf-gccCOLLECT_LTO_WRAPPER=/home/tiansong/100ask_imx6ull_pro/arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-linux-gnueabihf/bin/../libexec/gcc/arm-none-linux-gnueabihf/11.3.1/lto-wrapperTarget: arm-none-linux-gnueabihfConfigured with: /data/jenkins/workspace/GNU-toolchain/arm-11/src/gcc/configure --target=arm-none-linux-gnueabihf --prefix= --with-sysroot=/arm-none-linux-gnueabihf/libc --with-build-sysroot=/data/jenkins/workspace/GNU-toolchain/arm-11/build-arm-none-linux-gnueabihf/install//arm-none-linux-gnueabihf/libc --with-bugurl=https://bugs.linaro.org/ --enable-gnu-indirect-function --enable-shared --disable-libssp --disable-libmudflap --enable-checking=release --enable-languages=c,c++,fortran --with-gmp=/data/jenkins/workspace/GNU-toolchain/arm-11/build-arm-none-linux-gnueabihf/host-tools --with-mpfr=/data/jenkins/workspace/GNU-toolchain/arm-11/build-arm-none-linux-gnueabihf/host-tools --with-mpc=/data/jenkins/workspace/GNU-toolchain/arm-11/build-arm-none-linux-gnueabihf/host-tools --with-isl=/data/jenkins/workspace/GNU-toolchain/arm-11/build-arm-none-linux-gnueabihf/host-tools --with-arch=armv7-a --with-fpu=neon --with-float=hard --with-mode=thumb --with-arch=armv7-a --with-pkgversion='Arm GNU Toolchain 11.3.Rel1'Thread model: posixSupported LTO compression algorithms: zlibgcc version 11.3.1 20220712 (Arm GNU Toolchain 11.3.Rel1)
三、对于 uboot
1、下载
# 下载tiansong@tiansong:~/100ask_imx6ull_pro$ tiansong@tiansong:~/100ask_imx6ull_pro$ git clone https://source.codeaurora.cn/external/imx/uboot-imxtiansong@tiansong:~/100ask_imx6ull_pro$ lsarm-gnu-toolchain-11.3.rel1-x86_64-arm-none-linux-gnueabihf uboot-imx# 查看仓库所有分支tiansong@tiansong:~/100ask_imx6ull_pro$ cd uboot-imx/tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ git branch -a...remotes/origin/imx_v2020.04_5.4.70_2.3.0...# 切换到 imx 最新分支tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ git checkout remotes/origin/imx_v2020.04_5.4.70_2.3.0Updating files: 100% (11834/11834), done.Note: switching to 'remotes/origin/imx_v2020.04_5.4.70_2.3.0'.You are in 'detached HEAD' state. You can look around, make experimentalchanges and commit them, and you can discard any commits you make in thisstate without impacting any branches by switching back to a branch.If you want to create a new branch to retain commits you create, you maydo so (now or later) by using -c with the switch command. Example: git switch -c <new-branch-name>Or undo this operation with: git switch -Turn off this advice by setting config variable advice.detachedHead to falseHEAD is now at 62a81128c0 MLK-25878: imx8: scu: Increase sendmsg timeout for SCFW MU# 确认是否却换胜利tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ git log -1commit 62a81128c07c3efc123039f796ffc43b4eacbf04 (HEAD, origin/imx_v2020.04_5.4.70_2.3.0)Author: Nitin Garg <nitin.garg@nxp.com>Date: Fri Apr 29 10:54:20 2022 -0500 MLK-25878: imx8: scu: Increase sendmsg timeout for SCFW MU Similar to receivemsg, sendmsg function should also use 1 sec timeout for MU communication with SCFW. Signed-off-by: Nitin Garg <nitin.garg@nxp.com> Reviewed-by: Ye Li <ye.li@nxp.com>
2、开发板文件适配
前置阐明:有多处关联,移植尽量一口气实现
默认的配置文件
复制公板提供的默认配置文件
tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ cd configs/tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/configs$ ls *mx6ull_14x14_evk* -l-rw-rw-r-- 1 tiansong tiansong 1988 8月 26 10:36 mx6ull_14x14_evk_defconfig # imx6ullevk公板默认的配置文件,默认只反对 SD 卡启动-rw-rw-r-- 1 tiansong tiansong 1963 8月 26 10:36 mx6ull_14x14_evk_emmc_defconfig # imx6ull 反对 emmc 启动形式启动的配置文件-rw-rw-r-- 1 tiansong tiansong 2095 8月 26 10:36 mx6ull_14x14_evk_nand_defconfig # imx6ull 反对 nand 启动形式启动的配置文件-rw-rw-r-- 1 tiansong tiansong 2007 8月 26 10:36 mx6ull_14x14_evk_optee_defconfig # imx6ull 反对 optee 零碎的配置文件-rw-rw-r-- 1 tiansong tiansong 1958 8月 26 10:36 mx6ull_14x14_evk_plugin_defconfig # imx6ull 反对扩大性能的配置文件,次要是烧写性能-rw-rw-r-- 1 tiansong tiansong 2057 8月 26 10:36 mx6ull_14x14_evk_qspi1_defconfig # imx6ull 反对扩大性能的配置文件,次要是烧写性能tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/configs$ cp mx6ull_14x14_evk_emmc_defconfig 100ask_imx6ull_pro_emmc_defconfigtiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/configs$ ls 100ask_imx6ull_pro_emmc_defconfig -l-rw-rw-r-- 1 tiansong tiansong 1982 8月 26 10:54 100ask_imx6ull_pro_emmc_defconfig
批改复制的配置文件 (三处)
CONFIG_TARGET_MX6ULL_14X14_EVK=yCONFIG_TARGET_100ASK_IMX6ULL_PRO_EMMC=yCONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx6ullevk/imximage.cfg"CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/100ask/100ask_imx6ull_pro_emmc/imximage.cfg"CONFIG_DEFAULT_DEVICE_TREE="imx6ull-14x14-evk-emmc"CONFIG_DEFAULT_DEVICE_TREE="100ask_imx6ull_pro_emmc"
板件级反对
头文件
复制公板提供的.h
文件
tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ cd include/configs/tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ cd include/configs/tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/include/configs$ cp mx6ullevk.h 100ask_imx6ull_pro_emmc.h
批改复制的.h
文件 (两处)
#ifndef __MX6ULLEVK_CONFIG_H#define __MX6ULLEVK_CONFIG_H#ifndef __100ASK_IMX6ULL_PRO_EMMC_CONFIG_H#define __100ASK_IMX6ULL_PRO_EMMC_CONFIG_H
文件夹
复制公板提供的文件夹
tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ cd board/# 创立二级目录,100ask族和100ask_imx6ull_pro_emmc族tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/board$ mkdir 100asktiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/board$ mkdir 100ask/100ask_imx6ull_pro_emmc# 复制 common 文件夹tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/board$ cp freescale/common 100ask/# 复制 freescale/mx6ullevk/* 下所有公板文件tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/board$ cp freescale/mx6ullevk/* 100ask/100ask_imx6ull_pro_emmc/# 查看文件数,确认是否操作胜利tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/board$ cd 100ask/tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/board/100ask$ tree.├── 100ask_imx6ull_pro_emmc # 重视批改 !!│ ├── 100ask_imx6ull_pro_emmc.c│ ├── built-in.o│ ├── imximage.cfg│ ├── imximage_lpddr2.cfg│ ├── Kconfig│ ├── MAINTAINERS│ ├── Makefile│ ├── plugin.S│ └── README└── common ├── arm_sleep.c ├── built-in.o ├── cadmus.c ├── cadmus.h ├── cds_pci_ft.c ├── cds_via.c ... ...tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/board/100ask$ cd 100ask_imx6ull_pro_emmc/
复制 mx6ullevk.c
tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/board/freescale/mx6ullevk$ cp mx6ullevk.c 100ask_imx6ull_pro_emmc.c
批改 Makefile
obj-y := 100ask_imx6ull_pro_emmc.o
批改 Kconfig
if TARGET_100ASK_IMX6ULL_PRO_EMMC # 留神与 100ask_imx6ull_pro_emmc_defconfig 中 CONFIG_TARGET_100ASK_IMX6ULL_PRO_EMMC=y 对应 config SYS_BOARD default "100ask_imx6ull_pro_emmc" # 100ask_imx6ull_pro_emmc 留神与后续多处对应config SYS_VENDOR default "100ask"config SYS_CONFIG_NAME default "100ask_imx6ull_pro_emmc"config SYS_TEXT_BASE default 0x87800000endif
批改 MAINTAINERS
【留神门路填写正确】
MX6ULLEVK BOARDM: Peng Fan <peng.fan@nxp.com>S: MaintainedF: board/100ask/100ask_imx6ull_pro_emmc/F: include/configs/100ask_imx6ull_pro.hF: configs/100ask_imx6ull_pro_emmc_defconfig
批改 imximage.cfg
PLUGIN board/freescale/mx6ullevk/plugin.bin 0x00907000PLUGIN board/100ask/100ask_imx6ull_pro_emmc/plugin.bin 0x00907000
批改 imximage_lpddr2.cfg
PLUGIN board/freescale/mx6ullevk/plugin.bin 0x00907000PLUGIN board/100ask/100ask_imx6ull_pro_emmc/plugin.bin 0x00907000
减少图像化反对
批改 /home/tiansong/100ask_imx6ull_pro/uboot-imx/arch/arm/mach-imx/mx6/Kconfig
【留神门路】
config TARGET_MX6ULL_14X14_EVK bool "Support mx6ull_14x14_evk" select BOARD_LATE_INIT select DM select DM_THERMAL select MX6ULL imply CMD_DM# 在 TARGET_MX6ULL_14X14_EVK 之下增加,留神与 100ask_imx6ull_pro_emmc_defconfig 中 CONFIG_TARGET_100ASK_IMX6ULL_PRO_EMMC=y 对应 config TARGET_100ASK_IMX6ULL_PRO_EMMC bool "Support 100ask_imx6ull_pro_emmc" select BOARD_LATE_INIT select DM select DM_THERMAL select MX6ULL imply CMD_DM# 文件开端增加,留神门路source "board/100ask/100ask_imx6ull_pro_emmc/Kconfig"
默认的设施树
复制公板设施树文件 imx6ull-14x14-evk-emmc.dts
tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/arch/arm/dts$ pwd/home/tiansong/100ask_imx6ull_pro/uboot-imx/arch/arm/dtstiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/arch/arm/dts$ ls imx6ull-14x14-evk* -l-rw-rw-r-- 1 tiansong tiansong 407 8月 26 10:36 imx6ull-14x14-evk.dts-rw-rw-r-- 1 tiansong tiansong 570 8月 26 10:36 imx6ull-14x14-evk-emmc.dts-rw-rw-r-- 1 tiansong tiansong 1184 8月 26 10:36 imx6ull-14x14-evk-gpmi-weim.dtstiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx/arch/arm/dts$ cp imx6ull-14x14-evk-emmc.dts 100ask_imx6ull_pro_emmc.dts
编辑设施树文件 100ask_imx6ull_pro_emmc.dts
# 察看 100ask_imx6ull_pro_emmc.dts 文件内容,依赖于 imx6ull-14x14-evk.dts#include "imx6ull-14x14-evk.dts"# 察看 imx6ull-14x14-evk.dts, 依赖于多个文件 #include "imx6ull.dtsi"#include "imx6ul-14x14-evk.dtsi"#include "imx6ul-14x14-evk-u-boot.dtsi"
- 交融
100ask_imx6ull_pro_emmc.dts
、imx6ull-14x14-evk.dts
和imx6ul-14x14-evk.dtsi
到100ask_imx6ull_pro_emmc.dts
- 批改
lcd 和 phy
设施树参数 - 以下为批改好的设施树:
/* * Copyright 2019 NXP * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. *//dts-v1/;#include "imx6ull.dtsi"/ { model = "i.MX6 ULL 14x14 EVK Board"; compatible = "fsl,imx6ull-14x14-evk", "fsl,imx6ull"; aliases { spi5 = &{/spi4}; }; chosen { stdout-path = &uart1; }; memory@80000000 { device_type = "memory"; reg = <0x80000000 0x20000000>; }; reg_sd1_vmmc: regulator-sd1-vmmc { compatible = "regulator-fixed"; regulator-name = "VSD_3V3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>; off-on-delay-us = <20000>; enable-active-high; }; reg_can_3v3: regulator-can-3v3 { compatible = "regulator-fixed"; regulator-name = "can-3v3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; gpios = <&gpio_spi 3 GPIO_ACTIVE_LOW>; }; spi4 { compatible = "spi-gpio"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_spi4>; status = "okay"; pinctrl-assert-gpios = <&gpio5 8 GPIO_ACTIVE_LOW>; gpio-sck = <&gpio5 11 0>; gpio-mosi = <&gpio5 10 0>; cs-gpios = <&gpio5 7 0>; num-chipselects = <1>; #address-cells = <1>; #size-cells = <0>; gpio_spi: gpio@0 { compatible = "fairchild,74hc595"; gpio-controller; #gpio-cells = <2>; reg = <0>; registers-number = <1>; registers-default = /bits/ 8 <0x57>; spi-max-frequency = <100000>; }; }; // 新增背光管制节点 backlight { compatible = "pwm-backlight"; pwms = <&pwm1 0 1000>; brightness-levels = <0 1 2 3 4 5 6 8 10>; default-brightness-level = <8>; status = "okay"; };};&clks { assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>; assigned-clock-rates = <786432000>;};&i2c2 { clock-frequency = <100000>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c2>; status = "okay"; codec: wm8960@1a { #sound-dai-cells = <0>; compatible = "wlf,wm8960"; reg = <0x1a>; wlf,shared-lrclk; };};&fec1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet1>; phy-mode = "rmii"; phy-handle = <ðphy0>; status = "disabled"; // 网口 1 未应用,状态禁用};&fec2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet2>; phy-mode = "rmii"; phy-handle = <ðphy1>; phy-reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>; // 减少复位 phy-reset-duration = <25>; // 复位持续时间 status = "okay"; mdio { #address-cells = <1>; #size-cells = <0>; ethphy0: ethernet-phy@2 { reg = <0>; smsc,led-mode = <1>; clocks = <&clks IMX6UL_CLK_ENET_REF>; clock-names = "rmii-ref"; }; ethphy1: ethernet-phy@1 { reg = <1>; // phy 地址 smsc,led-mode = <1>; clocks = <&clks IMX6UL_CLK_ENET2_REF>; clock-names = "rmii-ref"; }; };};&can1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_flexcan1>; xceiver-supply = <®_can_3v3>; status = "okay";};&can2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_flexcan2>; xceiver-supply = <®_can_3v3>; status = "okay";};&i2c1 { clock-frequency = <100000>; pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1>; pinctrl-1 = <&pinctrl_i2c1_gpio>; scl-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; sda-gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>; status = "okay"; mag3110@e { compatible = "fsl,mag3110"; reg = <0x0e>; };};&lcdif { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_lcdif_dat &pinctrl_lcdif_ctrl>; display = <&display0>; status = "okay"; reset-gpios = <&gpio3 4 GPIO_ACTIVE_LOW>; // 减少复位 display0: display@0 { bits-per-pixel = <24>; bus-width = <24>; display-timings { // 时许调整 native-mode = <&timing0>; timing0: timing0 { clock-frequency = <50000000>; hactive = <1024>; vactive = <600>; hfront-porch = <160>; hback-porch = <140>; hsync-len = <20>; vback-porch = <20>; vfront-porch = <12>; vsync-len = <3>; hsync-active = <0>; vsync-active = <0>; de-active = <1>; pixelclk-active = <0>; }; }; };};&pwm1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pwm1>; status = "okay";};&qspi { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_qspi>; status = "okay"; flash0: n25q256a@0 { #address-cells = <1>; #size-cells = <1>; compatible = "micron,n25q256a", "jedec,spi-nor"; spi-max-frequency = <29000000>; reg = <0>; };};&sai2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sai2>; assigned-clocks = <&clks IMX6UL_CLK_SAI2_SEL>, <&clks IMX6UL_CLK_SAI2>; assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>; assigned-clock-rates = <0>, <12288000>; fsl,sai-mclk-direction-output; status = "okay";};&snvs_poweroff { status = "okay";};&tsc { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_tsc>; xnur-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>; measure-delay-time = <0xffff>; pre-charge-time = <0xfff>; status = "okay";};&uart1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1>; status = "okay";};&uart2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart2>; uart-has-rtscts; status = "okay";};&usbotg1 { dr_mode = "otg"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usb_otg1>; status = "okay";};&usbotg2 { dr_mode = "host"; disable-over-current; status = "okay";};&usbphy1 { fsl,tx-d-cal = <106>;};&usbphy2 { fsl,tx-d-cal = <106>;};&usdhc1 { pinctrl-names = "default", "state_100mhz", "state_200mhz"; pinctrl-0 = <&pinctrl_usdhc1>; pinctrl-1 = <&pinctrl_usdhc1_100mhz>; pinctrl-2 = <&pinctrl_usdhc1_200mhz>; cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>; keep-power-in-suspend; wakeup-source; vmmc-supply = <®_sd1_vmmc>; status = "okay";};&usdhc2 { pinctrl-names = "default", "state_100mhz", "state_200mhz"; pinctrl-0 = <&pinctrl_usdhc2_8bit>; pinctrl-1 = <&pinctrl_usdhc2_8bit_100mhz>; pinctrl-2 = <&pinctrl_usdhc2_8bit_200mhz>; bus-width = <8>; non-removable; status = "okay";};&wdog1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_wdog>; fsl,ext-reset-output;};&iomuxc { pinctrl-names = "default"; pinctrl_csi1: csi1grp { fsl,pins = < MX6UL_PAD_CSI_MCLK__CSI_MCLK 0x1b088 MX6UL_PAD_CSI_PIXCLK__CSI_PIXCLK 0x1b088 MX6UL_PAD_CSI_VSYNC__CSI_VSYNC 0x1b088 MX6UL_PAD_CSI_HSYNC__CSI_HSYNC 0x1b088 MX6UL_PAD_CSI_DATA00__CSI_DATA02 0x1b088 MX6UL_PAD_CSI_DATA01__CSI_DATA03 0x1b088 MX6UL_PAD_CSI_DATA02__CSI_DATA04 0x1b088 MX6UL_PAD_CSI_DATA03__CSI_DATA05 0x1b088 MX6UL_PAD_CSI_DATA04__CSI_DATA06 0x1b088 MX6UL_PAD_CSI_DATA05__CSI_DATA07 0x1b088 MX6UL_PAD_CSI_DATA06__CSI_DATA08 0x1b088 MX6UL_PAD_CSI_DATA07__CSI_DATA09 0x1b088 >; }; pinctrl_enet1: enet1grp { fsl,pins = < MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0 MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER 0x1b0b0 MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0 MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0 MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0 MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0 MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0 MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b031 >; }; pinctrl_enet2: enet2grp { fsl,pins = < MX6UL_PAD_GPIO1_IO07__ENET2_MDC 0x1b0b0 MX6UL_PAD_GPIO1_IO06__ENET2_MDIO 0x1b0b0 MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN 0x1b0b0 MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER 0x1b0b0 MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00 0x1b0b0 MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01 0x1b0b0 MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN 0x1b0b0 MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00 0x1b0b0 MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01 0x1b0b0 MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b031 /* used for pht reset */ MX6ULL_PAD_SNVS_TAMPER6__GPIO5_IO06 0x79 >; }; pinctrl_flexcan1: flexcan1grp{ fsl,pins = < MX6UL_PAD_UART3_RTS_B__FLEXCAN1_RX 0x1b020 MX6UL_PAD_UART3_CTS_B__FLEXCAN1_TX 0x1b020 >; }; pinctrl_flexcan2: flexcan2grp{ fsl,pins = < MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX 0x1b020 MX6UL_PAD_UART2_CTS_B__FLEXCAN2_TX 0x1b020 >; }; pinctrl_i2c1: i2c1grp { fsl,pins = < MX6UL_PAD_UART4_TX_DATA__I2C1_SCL 0x4001b8b0 MX6UL_PAD_UART4_RX_DATA__I2C1_SDA 0x4001b8b0 >; }; pinctrl_i2c1_gpio: i2c1grp_gpio { fsl,pins = < MX6UL_PAD_UART4_TX_DATA__GPIO1_IO28 0x1b8b0 MX6UL_PAD_UART4_RX_DATA__GPIO1_IO29 0x1b8b0 >; }; pinctrl_i2c2: i2c2grp { fsl,pins = < MX6UL_PAD_UART5_TX_DATA__I2C2_SCL 0x4001b8b0 MX6UL_PAD_UART5_RX_DATA__I2C2_SDA 0x4001b8b0 >; }; pinctrl_lcdif_dat: lcdifdatgrp { fsl,pins = < MX6UL_PAD_LCD_DATA00__LCDIF_DATA00 0x79 MX6UL_PAD_LCD_DATA01__LCDIF_DATA01 0x79 MX6UL_PAD_LCD_DATA02__LCDIF_DATA02 0x79 MX6UL_PAD_LCD_DATA03__LCDIF_DATA03 0x79 MX6UL_PAD_LCD_DATA04__LCDIF_DATA04 0x79 MX6UL_PAD_LCD_DATA05__LCDIF_DATA05 0x79 MX6UL_PAD_LCD_DATA06__LCDIF_DATA06 0x79 MX6UL_PAD_LCD_DATA07__LCDIF_DATA07 0x79 MX6UL_PAD_LCD_DATA08__LCDIF_DATA08 0x79 MX6UL_PAD_LCD_DATA09__LCDIF_DATA09 0x79 MX6UL_PAD_LCD_DATA10__LCDIF_DATA10 0x79 MX6UL_PAD_LCD_DATA11__LCDIF_DATA11 0x79 MX6UL_PAD_LCD_DATA12__LCDIF_DATA12 0x79 MX6UL_PAD_LCD_DATA13__LCDIF_DATA13 0x79 MX6UL_PAD_LCD_DATA14__LCDIF_DATA14 0x79 MX6UL_PAD_LCD_DATA15__LCDIF_DATA15 0x79 MX6UL_PAD_LCD_DATA16__LCDIF_DATA16 0x79 MX6UL_PAD_LCD_DATA17__LCDIF_DATA17 0x79 MX6UL_PAD_LCD_DATA18__LCDIF_DATA18 0x79 MX6UL_PAD_LCD_DATA19__LCDIF_DATA19 0x79 MX6UL_PAD_LCD_DATA20__LCDIF_DATA20 0x79 MX6UL_PAD_LCD_DATA21__LCDIF_DATA21 0x79 MX6UL_PAD_LCD_DATA22__LCDIF_DATA22 0x79 MX6UL_PAD_LCD_DATA23__LCDIF_DATA23 0x79 >; }; pinctrl_lcdif_ctrl: lcdifctrlgrp { fsl,pins = < MX6UL_PAD_LCD_CLK__LCDIF_CLK 0x79 MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE 0x79 MX6UL_PAD_LCD_HSYNC__LCDIF_HSYNC 0x79 MX6UL_PAD_LCD_VSYNC__LCDIF_VSYNC 0x79 /* used for lcd reset */ MX6UL_PAD_LCD_RESET__GPIO3_IO04 0x1b0b0 >; }; pinctrl_qspi: qspigrp { fsl,pins = < MX6UL_PAD_NAND_WP_B__QSPI_A_SCLK 0x70a1 MX6UL_PAD_NAND_READY_B__QSPI_A_DATA00 0x70a1 MX6UL_PAD_NAND_CE0_B__QSPI_A_DATA01 0x70a1 MX6UL_PAD_NAND_CE1_B__QSPI_A_DATA02 0x70a1 MX6UL_PAD_NAND_CLE__QSPI_A_DATA03 0x70a1 MX6UL_PAD_NAND_DQS__QSPI_A_SS0_B 0x70a1 >; }; pinctrl_sai2: sai2grp { fsl,pins = < MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK 0x17088 MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC 0x17088 MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA 0x11088 MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA 0x11088 MX6UL_PAD_JTAG_TMS__SAI2_MCLK 0x17088 MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04 0x17059 >; }; pinctrl_pwm1: pwm1grp { fsl,pins = < MX6UL_PAD_GPIO1_IO08__PWM1_OUT 0x110b0 >; }; pinctrl_sim2: sim2grp { fsl,pins = < MX6UL_PAD_CSI_DATA03__SIM2_PORT1_PD 0xb808 MX6UL_PAD_CSI_DATA04__SIM2_PORT1_CLK 0x31 MX6UL_PAD_CSI_DATA05__SIM2_PORT1_RST_B 0xb808 MX6UL_PAD_CSI_DATA06__SIM2_PORT1_SVEN 0xb808 MX6UL_PAD_CSI_DATA07__SIM2_PORT1_TRXD 0xb809 MX6UL_PAD_CSI_DATA02__GPIO4_IO23 0x3008 >; }; pinctrl_spi4: spi4grp { fsl,pins = < MX6UL_PAD_BOOT_MODE0__GPIO5_IO10 0x70a1 MX6UL_PAD_BOOT_MODE1__GPIO5_IO11 0x70a1 MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07 0x70a1 MX6UL_PAD_SNVS_TAMPER8__GPIO5_IO08 0x80000000 >; }; pinctrl_tsc: tscgrp { fsl,pins = < MX6UL_PAD_GPIO1_IO01__GPIO1_IO01 0xb0 MX6UL_PAD_GPIO1_IO02__GPIO1_IO02 0xb0 MX6UL_PAD_GPIO1_IO03__GPIO1_IO03 0xb0 MX6UL_PAD_GPIO1_IO04__GPIO1_IO04 0xb0 >; }; pinctrl_uart1: uart1grp { fsl,pins = < MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1 MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1 >; }; pinctrl_uart2: uart2grp { fsl,pins = < MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX 0x1b0b1 MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX 0x1b0b1 MX6UL_PAD_UART3_RX_DATA__UART2_DCE_RTS 0x1b0b1 MX6UL_PAD_UART3_TX_DATA__UART2_DCE_CTS 0x1b0b1 >; }; pinctrl_usb_otg1: usbotg1grp { fsl,pins = < MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID 0x17059 >; }; pinctrl_usdhc1: usdhc1grp { fsl,pins = < MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059 MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10071 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059 MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059 MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x17059 /* SD1 CD */ MX6UL_PAD_GPIO1_IO05__USDHC1_VSELECT 0x17059 /* SD1 VSELECT */ MX6UL_PAD_GPIO1_IO09__GPIO1_IO09 0x17059 /* SD1 RESET */ >; }; pinctrl_usdhc1_100mhz: usdhc1grp100mhz { fsl,pins = < MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170b9 MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100b9 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9 MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9 >; }; pinctrl_usdhc1_200mhz: usdhc1grp200mhz { fsl,pins = < MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170f9 MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100f9 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9 MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9 >; }; pinctrl_usdhc2: usdhc2grp { fsl,pins = < MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x17059 MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x17059 MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059 MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059 MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059 MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059 >; }; pinctrl_usdhc2_8bit: usdhc2grp_8bit { fsl,pins = < MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x10069 MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x17059 MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059 MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059 MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059 MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059 MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x17059 MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x17059 MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x17059 MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x17059 >; }; pinctrl_usdhc2_8bit_100mhz: usdhc2grp_8bit_100mhz { fsl,pins = < MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x100b9 MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x170b9 MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170b9 MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170b9 MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170b9 MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170b9 MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170b9 MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170b9 MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170b9 MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170b9 >; }; pinctrl_usdhc2_8bit_200mhz: usdhc2grp_8bit_200mhz { fsl,pins = < MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x100f9 MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x170f9 MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170f9 MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170f9 MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170f9 MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170f9 MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170f9 MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170f9 MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170f9 MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170f9 >; }; pinctrl_wdog: wdoggrp { fsl,pins = < MX6UL_PAD_LCD_RESET__WDOG1_WDOG_ANY 0x30b0 >; };};
- 留神
backlight
为新减少节点,用于 lcd 背光管制 - 留神
fec1
节点,批改为禁用 - 留神
fec2
节点,减少复位反对,SMSC 反对 - 留神
lcdif
节点,批改复位反对,批改屏幕控制器时许 - 留神
usdhc2
节点,来自于imx6ull-14x14-evk-emmc.dts
- 留神
pinctrl_enet2
节点,MX6ULL_PAD_SNVS_TAMPER6__GPIO5_IO06 0x79
- 留神
pinctrl_lcdif_ctrl
节点,MX6UL_PAD_LCD_RESET__GPIO3_IO04 0x1b0b0
批改 /home/tiansong/100ask_imx6ull_pro/uboot-imx/drivers/net/phy/phy.c
int genphy_config_aneg(struct phy_device *phydev){ int result; phy_reset(phydev); // 新增 if (phydev->autoneg != AUTONEG_ENABLE) return genphy_setup_forced(phydev); result = genphy_config_advert(phydev); // ...}
3、配置及编译
装置环境依赖
sudo apt install makesudo apt install bison flex
生成 .config
文件
tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ pwd/home/tiansong/100ask_imx6ull_pro/uboot-imxtiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ make 100ask_imx6ull_pro_emmc_defconfig
图像化配置
tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ make menuconfig
确认板级反对, 目录项 ARM architecture
确认默认的设施树,目录项Boot media
-->Device Tree Control
使能SD/EMMC
启动,目录项Boot media
使能随机MAC
地址生成,目录项Networking support
网卡反对
- 目录项
Device Drivers/Network device support
- 目录项
Device Drivers/Ethernet PHY(physical media interface) support
编译
tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ make -j12tiansong@tiansong:~/100ask_imx6ull_pro/uboot-imx$ ls u-boot-dtb.imxu-boot-dtb.imx