S32G ATF customization application doc

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S32G ATF customization application doc

S32G ATF customization application doc

  本文说明S32G  RDB2板Linux板级开发包BSP32 的ATF细节,以帮助客户了解S32G的ATF是如何运行的,以及如何修改到客户的新板上。

  从BSP32开始,默认启动需要ATF支持,所以部分定制需要移动到ATF中,Uboot会简单很多。

请注意本文为培训和辅助文档,本文不是官方文档的替代,请一切以官方文档为准。

  目录如下:

目录

1    S32G Linux文档说明... 2

2    创建S32G RDB2 Linux板级开发包编译环境... 3

2.1  创建yocto编译环境: 3

2.2  独立编译... 8

3    NXP ATF 原理... 13

3.1  AArch64 Exception Leve: 13

3.2  ATF原理... 14

3.3  ATF目录 结构... 16

3.4  ATF初始化流程... 25

3.5  NXP ATF的SCMI支持... 28

3.6  NXP ATF的PSCI支持... 32

3.7  NXP ATF OPTEE接口(未来增加)... 36

4    ATF 定制... 36

4.1  修改 DDR配置... 36

4.2  修改调试串口与IOMUX定制说明... 39

4.3  启动eMMC定制说明... 48

4.4  I2C与PMIC定制说明... 58

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‎05-04-2022 06:30 PM
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