haiku/data/boot/u-boot/boot-arm.scr.txt
Heinrich Schuchardt 7127c048db u-boot/arm: simplify device tree handling
By updating $fdt_addr_r we can simplify boot-arm.scr.txt.

Now we can explicitly pass the device tree address to bootefi instead of
relying on a fallback inside U-Boot.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Change-Id: Ifceb574aca2814605a2e4e58e9187773817c5df2
Reviewed-on: https://review.haiku-os.org/c/haiku/+/2970
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
2022-01-05 22:30:54 +00:00

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echo "Haiku u-boot script entry"
test -e mmc 0 uEnv.txt && setenv media mmc
test -e virtio 0 uEnv.txt && setenv media virtio
test -e nvme 0 uEnv.txt && setenv media nvme
env exists media || echo "ERROR: Unable to locate uEnv.txt on any known media!" && exit
test -e ${media} 0 uEnv.txt && fatload ${media} 0 ${scriptaddr} uEnv.txt && env import -t ${scriptaddr} ${filesize}
env exists loader || echo "ERROR: uEnv.txt doesn't specify bootloader!" && exit
env exists platform || echo "ERROR: uEnv.txt doesn't specify platform!" && exit
echo "uEnv.txt says to look for ${platform} bootloader named ${loader} on ${media} 0!"
test -e ${media} 0 ${loader} && echo "Found ${loader} on ${media} 0!"
echo "Loading bootloader..."
fatload ${media} 0 ${kernel_addr_r} ${loader}
test -e ${media} 0 haiku_floppyboot.ub && fatload ${media} 0 ${ramdisk_addr_r} haiku_floppyboot.ub
env exists dtb && echo "Using custom DTB..." && fatload ${media} 0 ${fdt_addr_r} ${dtb}
env exists dtb || echo "Using internal DTB..." && setenv fdt_addr_r ${fdtcontroladdr}
test "${platform}" = "efi" && echo "Launching EFI loader..." && bootefi ${kernel_addr_r} ${fdt_addr_r}
test "${platform}" = "u-boot" && echo "Launching ub loader..." && bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}
echo "Haiku u-boot script fell through!" && exit