DongshanPI Seven for STM32MP157DAC.

Related tags

Hardwarelinuxststm32mp1buildroot-external-tree
Overview

STM32MP1 Buildroot External Tree

这个Git仓库专门支持ST的平台。由于Buildroot主线已经支持了stm32mp1系列，这个是针对 东山PI柒号 开发板专门支持的 BR2_EXTERNAL 外部扩展支持。

支持的配置文件

这个 BR2_EXTERNAL 扩展支持了如下配置文件：

  1. dongshanpiserven_core_defconfig, 这是一个最小配置文件，支持了 TF-A 固件 U-boot Linux Kernel ，以及最小的busybox用户空间。
Feature
TF-A v2.2-stm32mp-r1
U-Boot v2020.10-stm32mp-r1.1
Linux v5.4-stm32mp-r1
OP-TEE No
Qt5 No
OpenGL No
WiFi N/A
Bluetooth N/A
Audio No
CubeMX Device Tree No
Cortex M4 Firmware examples No

快速开始

环境配置

为了使用 Buildroot，您需要在您的工作站上安装 Linux 发行版。 任何最新的 Linux 发行版（Ubuntu、Debian、Fedora、Redhat、OpenSuse 等）都可以正常工作。 但是你需要安装一些必要软件包至您的Linux工作站才可以使用Buildroot manual System requirements section. 对于 Debian/Ubuntu发行版系统，需要参考下述命令安装列出来的软件包。

$ sudo apt install debianutils sed make binutils build-essential gcc g++ bash patch gzip bzip2 perl tar cpio unzip rsync file bc git

获取代码

这个 BR2_EXTERNAL会配合着最新的LTS版本一起使用，所以版本会随着 上游的更新而建立新的分支进行更新，目前Buildroot最新 BR2_EXTERNAL最新LTS版本是 2021-02 。

首先我们获取 buildroot最新lts版本源码。

  • 使用git clone
$ git clone -b st/2021.02 https://github.com/bootlin/buildroot.git
  • 直接下载
wget  https://buildroot.org/downloads/buildroot-2021.02.8.tar.bz2

获取buildroot源码后，可以单独获取我们支持 东山PI柒号 的 BR2_EXTERNAL 源码。

$ git clone -b main https://github.com/bootlin/buildroot-external-dongshanpiseven.git

获取完成后，可以看到 一个 buildroot目录和一个 buildroot-external-dongshanpiseven目录。

配置并构建

首先进入到buildroot目录

$ cd buildroot/

接下来执行配置命令，来使用 dongshanpiserven_core_defconfig配置文件进行配置。

buildrot/ $ make BR2_EXTERNAL=../buildroot-external-dongshanpiseven dongshanpiserven_core_defconfig

指定配置文件后，可以使用 make menuconfig 命令来增加自己需要的包。

增加完成软件包后，就可以直接执行 make 命令开始编译了。

buildroot/ $ make

编译时会自动下载所需的软件包，进行配置编译最后打包成一个完成的系统镜像，整个时间受网络环境而定，一般情况下 只需要60分钟。

烧写并启动系统

编译完成后，会生成一个sdcard.img 系统镜像，镜像文件存放在 output/images/目录下。

执行如下命令讲镜像烧录进 tf卡即可，注意 /dev/sdX sdX 指的是tf卡设备的主分区。

buildroot/ $ dd if=output/images/sdcard.img of=/dev/sdX bs=1M

烧写完成后，将卡插入至开发板，连接电源线，设置为 tf卡启动，即可启动开发板，之后连接串口，等待进入终端命令行，系统默认的登录用户名是 root 。

References

Support

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Releases(v0.5.1-beta.1)
Owner
DongshanPI
DongshanPI
GitHub Repository https://dongshanpi.com/DongshanPi-Seven/01-BoardIntroduction/
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