For RPi 5B you need bcm2712 device tree . RPi4 uses 2711.So the e rpi_arm64_confi does not work for RPi5 Also make sure that you have the changes discussed here.[GIT PULL] rpi: updates for v2024.04 (mail-archive.com)
Iwas able to get the git (https://source.denx.de/u-boot/custodians/u-boot-raspberrypi.git%C2%A0tags/rp...) and modify the config to get 2712 dts file, and able to get u-boot.
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On Saturday, February 17, 2024 at 08:36:22 AM PST, John therealgraysky@proton.me wrote:
I am running Arch ARM on a RPi4B and also on a RPi5B. My RPi4B can boot the vanilla kernel package (linux-aarch64) with the latest uboot-raspberrypi (2024.04-rc2) just fine. Yet, if I take that uSD card and place it in my RPi5B, it does not boot. I only see the "U-Boot" submarine logo in the upper right of the screen/no debug output. Any thoughts are appreciated.
I built u-boot like this:
unset CFLAGS unset CXXFLAGS unset CPPFLAGS
make rpi_arm64_config echo 'CONFIG_IDENT_STRING=" Arch Linux ARM"' >> .config make EXTRAVERSION=-2024.04rc2