MX8X_4.19.35_ga_BootLoader_V6-20200217_chn bootloader定制文档

Document created by John Li Employee on Feb 24, 2020
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目录
1 i.MX8X 板级开发包镜像结构 ...................................... 3
2 创建 i.MX8QXP Linux 4.19.35 板级开发包编译环境 ... 3
2.1 下载板级开发包 ....................................................... 3
2.2 创建yocto编译环境: ................................................. 4
2.3 独立编译 ............................................................... 10
3 i.MX8X SC firmware ................................................. 16
3.1 SC firmware 目录结构 ........................................... 16
3.2 SC firmware 启动流程 ........................................... 17
3.3 SC firmware定制 ................................................... 17
4 i.MX8X ATF .............................................................. 28
5 FSL Uboot 定制 ........................................................ 30
5.1 FDT支持 ............................................................... 31
5.2 DM(driver model)支持 ........................................... 36
5.3 Uboot目录 结构 ..................................................... 50
5.4 Uboot编译 ............................................................. 52
5.5 Uboot初始化流程 .................................................. 53
5.6 uboot 定制 ............................................................ 63
5.7 uboot debug信息 ................................................... 78

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