i.MX8X_5.4.24_bootloader customization application notes: (Chinese Version) i.MX8X 5.4.24 bootloader定制文档

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i.MX8X 板级开发包镜像结构 ...................................... 3
2 创建 i.MX8QXP Linux 5.4.24 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: ................................................. 5
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 ........................................... 18
3.3 SC firmware定制 ................................................... 18
4 i.MX8X ATF .............................................................. 30
5 FSL Uboot 定制 ........................................................ 32
5.1 FDT支持 ............................................................... 33
5.2 DM(driver model)支持 ........................................... 38
5.3 Uboot目录 结构 ..................................................... 52
5.4 Uboot编译 ............................................................. 54
5.5 Uboot初始化流程 .................................................. 55
5.6 uboot 定制 ............................................................ 66
5.7 uboot debug信息 ................................................... 82