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35d761c0c5
If a 'fixfdt' uboot script exists, execute it prior to bootm to allow easy bootloader env based fdt fixups and tweaks Signed-off-by: Tim Harvey <tharvey@gateworks.com>
80 lines
2.4 KiB
Plaintext
80 lines
2.4 KiB
Plaintext
echo "Gateworks Ventana OpenWrt Boot script v1.01"
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# set some defaults
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# set some defaults
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test -n "$fs" || fs=ext2
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test -n "$disk" || disk=0
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setenv nextcon 0
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setenv bootargs console=${console},${baudrate}
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setenv loadaddr 10800000
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setenv fdt_addr 18000000
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# detect dtype and bootdev by looking for kernel on media the bootloader
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# has mounted (in order of preference: usb/mmc/sata)
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#
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# This assumes the bootloader has already started the respective subsystem
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# or mounted the filesystem if appropriate to get to this bootscript
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#
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# To Speed up boot set dtype manually
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if test -n "$dtype" ; then
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echo "Using dtype from env: $dtype"
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else
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echo "Detecting boot device (dtype)..."
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if ${fs}load usb ${disk}:1 ${loadaddr} ${bootdir}/uImage ; then
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dtype=usb
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elif ${fs}load mmc ${disk}:1 ${loadaddr} ${bootdir}/uImage ; then
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dtype=mmc
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elif ${fs}load sata ${disk}:1 ${loadaddr} ${bootdir}/uImage ; then
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dtype=sata
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elif ubifsload ${loadaddr} ${bootdir}/uImage ; then
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dtype=nand
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fi
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echo "detected dtype:$dtype"
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fi
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if test -n "$bootdev" ; then
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echo "Using bootdev from env: $bootdev"
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else
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if itest.s "x${dtype}" == "xmmc" ; then
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bootdev=mmcblk0p1
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else
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bootdev=sda1
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fi
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fi
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if itest.s "x${dtype}" == "xnand" ; then
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echo "Booting from NAND..."
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# fix partition name
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# OpenWrt kernel bug prevents partition name of 'rootfs' from booting
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# instead name the partition ubi which is what is looked for by
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# procd sysupgrade
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mtdparts del rootfs && mtdparts add nand0 - ubi
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echo "mtdparts:${mtdparts}"
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setenv fsload ubifsload
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setenv root "ubi0:ubi ubi.mtd=2 rootfstype=squashfs,ubifs"
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else
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echo "Booting from block device ${bootdev}..."
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setenv fsload "${fs}load ${dtype} ${disk}:1"
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setenv root "root=/dev/${bootdev} rootfstype=${fs} rootwait rw"
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fi
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setenv bootargs "${bootargs}" "${root}" "${video}" "${extra}"
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if ${fsload} ${loadaddr} ${bootdir}/uImage; then
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if ${fsload} ${fdt_addr} ${bootdir}/${fdt_file}; then
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echo Loaded DTB from ${bootdir}/${fdt_file}
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test -n "$fixfdt" && run fixfdt
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bootm ${loadaddr} - ${fdt_addr}
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elif ${fsload} ${fdt_addr} ${bootdir}/${fdt_file1}; then
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echo Loaded DTB from ${bootdir}/${fdt_file1}
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test -n "$fixfdt" && run fixfdt
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bootm ${loadaddr} - ${fdt_addr}
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elif ${fsload} ${fdt_addr} ${bootdir}/${fdt_file2}; then
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echo Loaded DTB from ${bootdir}/${fdt_file2}
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test -n "$fixfdt" && run fixfdt
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bootm ${loadaddr} - ${fdt_addr}
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else
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echo "Error loading device-tree"
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fi
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else
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echo "Error loading kernel image"
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fi
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