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u-boot/arm: simplify device tree handling

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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>
This commit is contained in:
Heinrich Schuchardt 2020-06-30 09:13:48 +02:00 committed by Alex von Gluck IV
parent 58611befa2
commit 7127c048db
1 changed files with 4 additions and 5 deletions
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9
data/boot/u-boot/boot-arm.scr.txt
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@ -11,9 +11,8 @@ 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} && fdt addr ${fdt_addr_r}
env exists dtb || echo "Using internal DTB..." && fdt addr ${fdtcontroladdr}
test "${platform}" = "efi" && echo "Launching EFI loader..." && bootefi ${kernel_addr_r}
test "${platform}" = "u-boot" && env exists dtb && echo "Launching ub loader..." && bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdtcontroladdr}
test "${platform}" = "u-boot" && env exists dtb || echo "Launching ub loader (w/custom fdt)..." && bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}
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