9a82076592
U-Boot already knows where it found the boot.scr, and figuring out the partition UUID becomes trivial at this point. This change allows booting OpenWrt from whatever storage it has been flashed to: SD card, eMMC, USB disk or SATA disk. Signed-off-by: Josua Mayer <josua.mayer97@gmail.com> [replace lede with openwrt, redact commit message] Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
27 lines
996 B
Text
27 lines
996 B
Text
# Standard Boot-Script
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# use only well-known variable names provided by U-Boot Distro boot
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# This script assumes that there is a boot partition,
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# and that the root partition is always the next one.
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# Override DeviceTree for Clearfog Base
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# removed once U-Boot is able to detect the board variant.
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setenv fdtfile armada-388-clearfog-base.dtb
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# rootfs is always on the next partition
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setexpr openwrt_rootpart ${distro_bootpart} + 1
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# figure out partition uuid to pass to the kernel as root=
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part uuid ${devtype} ${devnum}:${openwrt_rootpart} uuid
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# generate bootargs (rootfs)
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setenv bootargs ${bootargs} root=PARTUUID=${uuid} rootfstype=auto rootwait
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# add console= option to bootargs, if any
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if test -n "${console}"; then
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setenv bootargs ${bootargs} console=${console}
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fi
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echo "Booting Linux with ${bootargs}"
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load ${devtype} ${devnum}:${distro_bootpart} ${fdt_addr_r} ${fdtfile}
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load ${devtype} ${devnum}:${distro_bootpart} ${kernel_addr_r} zImage
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bootz ${kernel_addr_r} - ${fdt_addr_r}
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