feat: add radxa zero 3e buildroot

docs/zero/zero3/other-os/README.md

@@ -4,6 +4,6 @@ sidebar_position: 45
 
 # 其他系统
 
-介绍非 Radxa OS 的其他系统，例如 Android
+介绍非 Radxa OS 的其他系统，例如 Android，Buildroot 和 Yocto 等。
 
 <DocCardList />

docs/zero/zero3/other-os/buildroot.md

@@ -0,0 +1,54 @@
+---
+sidebar_position: 10
+description: "Buildroot"
+---
+
+# Buildroot
+
+## 环境准备
+
+需要准备一台 Ubuntu 20.04/22.04 x86_64 主机。
+
+## 获取 Rockchip 原始 SDK
+
+- Mega：https://mega.nz/file/JugCGDDC#NNL5_qRDRr-NL6TS3F1FSzkoXFwRCwDTNTW3KAiTtpI
+- 百度网盘：https://pan.baidu.com/s/12rQmYaRMKwgz8cOBNjc4yQ?pwd=35mj
+
+## 解压 SDK
+
+在 Ubuntu PC 上，使用如下命令解压 SDK。
+
+```
+tar xvf rk356x_linux5.10_rkr8_sdk.repo.tar
+.repo/repo/repo  sync -l
+```
+
+## 添加板子 Zero 3E 板子支持
+
+使用 Radxa 维护的 rockchip 仓库。
+
+```
+cd device/rockchip
+git remote add radxa https://github.com/radxa/device-rockchip.git
+git checkout -b rk3566_rk3568-linux-5.10 remotes/radxa/rk3566_rk3568-linux-5.10
+```
+
+使用 Radxa 维护的 kernel 仓库。
+
+```
+cd kernel
+git remote add radxa https://github.com/radxa/kernel.git
+git checkout -b linux-5.10-gen-rkr8-buildroot remotes/radxa/linux-5.10-gen-rkr8-buildroot
+```
+
+## 构建 SDK
+
+在 SDK 的顶层目录，执行命令：
+
+```
+./build.sh
+```
+
+然后选中配置文件 `rockchip_rk3566_radxa_zero_3e_defconfig`。
+
+构建完成后，将会在 `rockdev/` 目录下生成镜像。

i18n/en/docusaurus-plugin-content-docs/current/zero/zero3/other-os/README.md

@@ -4,6 +4,6 @@ sidebar_position: 45
 
 # Other System
 
-Introduces other systems than Radxa OS, such as Android.
+Introduces other systems than Radxa OS, such as Android, Yocto and Buildroot.
 
 <!-- <DocCardList /> -->

i18n/en/docusaurus-plugin-content-docs/current/zero/zero3/other-os/buildroot.md

@@ -0,0 +1,53 @@
+---
+sidebar_position: 10
+description: "Buildroot"
+---
+
+# Buildroot
+
+## Preparation
+
+We need one Ubuntu 20.04/22.04 x86_64 PC.
+
+## Get rockchip original SDK
+
+- Mega: https://mega.nz/file/JugCGDDC#NNL5_qRDRr-NL6TS3F1FSzkoXFwRCwDTNTW3KAiTtpI
+- BaiduPan: https://pan.baidu.com/s/12rQmYaRMKwgz8cOBNjc4yQ?pwd=35mj
+
+## Extract SDK
+
+On Ubuntu PC we use the following commands to extract the SDK.
+
+```
+tar xvf rk356x_linux5.10_rkr8_sdk.repo.tar
+.repo/repo/repo  sync -l
+```
+
+## Add board Zero 3E support
+
+Use Radxa reposiory, rockchip.
+
+```
+cd device/rockchip
+git remote add radxa https://github.com/radxa/device-rockchip.git
+git checkout -b rk3566_rk3568-linux-5.10 remotes/radxa/rk3566_rk3568-linux-5.10
+```
+
+Use Radxa repository, kernel.
+
+```
+cd kernel
+git remote add radxa https://github.com/radxa/kernel.git
+git checkout -b linux-5.10-gen-rkr8-buildroot remotes/radxa/linux-5.10-gen-rkr8-buildroot
+```
+
+## Build SDK
+
+Navigate to the top-level directory of the SDK, run command.
+
+```
+./build.sh
+```
+
+And select defconfig `rockchip_rk3566_radxa_zero_3e_defconfig`.
+The target images will be stored on rockdev directory.