Hi Sam,
> Can I ask you some questions about this code? > 1. Do I understand correctly that this is just some old patch hanging > in mailing list [1]? Yes, it is from an old post to the mailing list. > 2. What is the motivation of adding this command? We already have > Android boot image support in bootm command, which we successfully use > in TI just by loading needed images to RAM and then passing them to > bootm, like this: [2]. I am working to get a Android A/B System implementation on my board. I was looking to reuse existing implementation. Aiming to stay close to the mainline. The command boot_android performs the different loading and checks required before calling bootm. Like Alex mentioned [4], those patch series are not recent but it was good starting point of implementation. I had to perform some customization to have a functional boot flow adapted to my system ( Android 7.1.1, Linux 4.4.45, U-Boot 2017.0 ). I am not pushing to have this particular implementation mainline. However having a mainline implementation for Android A/B system, would be nice. I was giving feedback from my particular system usage. > 3. Can you provide more information about how this code works? And > probably show some relevant link from Android documentation where it > says about boot flow implemented here? > [1] https://lists.denx.de/pipermail/u-boot/2017-April/285847.html > [2] > http://git.denx.de/?p=u-boot.git;a=blob;f=include/environment/ti/boot.h;h=24b7783f88947db07480d814c798e51197c07ce2;hb=HEAD#l38 <https://lists.denx.de/listinfo/u-boot> More information was posted by Alex in his original patch series [3]. Alex, I did add loading of the FDT in the boot_android command. How did you load your at 'fdt_addr' ? <https://lists.denx.de/pipermail/u-boot/2018-April/325674.html> Thanks, [3] https://lists.denx.de/pipermail/u-boot/2017-April/285841.html [4] https://lists.denx.de/pipermail/u-boot/2018-April/325674.html _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
