Simon, Is there a way to replace the firmware on those boards with u-boot? I have a Tegra, a rockchip, and a pair of Samsung Exynos based Chromebooks that are end of life for ChromeOS but are still quite useful hardware platforms if there was a way to replace entirely the bootloader with u-boot I could have hardware running supported operating systems.
Dennis On Sun, Aug 2, 2020 at 10:00 PM Simon Glass <s...@chromium.org> wrote: > > Hi Matthew, > > On Sun, 2 Aug 2020 at 20:17, Matthew Grochowalski <m...@gwalski.com> wrote: > > > > Hello, > > > > Reading > > https://chromium.googlesource.com/chromiumos/docs/+/master/developer_mode.md, > > it appears U-Boot should work as an alternate firmware on new ARM > > Chromebooks. > > > > Trying on my Duet (Kukui/Krane), this doesn't work. Looking at the > > RW_LEGACY contents, there's basically nothing there from the factory. > > > > I tried "make coreboot_defconfig" from u-boot master, but it looks > > like this is x86 only. > > > > Any way to get this working on ARM(64)? > > I think this is Mediatek and U-Boot doesn't have support for that > particular MT part, at least in mainline. I suspect it will happen at > some point. > > The altfw U-Boot feature works on x86 Chromebooks only, at present. > That said, most tegra and rockchip Chromebooks support U-Boot running > 'bare-metal'. > > Regards, > Simon