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45 lines
1.6 KiB
Bash
45 lines
1.6 KiB
Bash
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#
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# Copyright (C) 2023 Mauri Sandberg
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#
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# The vendor UBI is split in volumes 0-3. Volumes 0 and 1 contain U-Boot
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# environments env1 and env2, respectively. The vendor root file systems
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# are in volumes 2 (rootfs_0) and 3 (rootfs_1). Drop the two roots and
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# explicitly use rootfs_0 as a boot partition that contains the dtb and the
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# OpenWrt kernel. This is because the vendor U-Boot expects to find them there.
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# Then continue upgrade with the default method - a SquashFS rootfs will be
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# installed and the rest of UBI will be used as an overlay.
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# The 'kernel' inside the sysupgrage.tar is an UBIFS image that contains
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# /boot/dtb and /boot/kernel. The 'root' is an OpenWrt SquashFS root
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. /lib/functions.sh
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. /lib/upgrade/nand.sh
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dna_do_upgrade () {
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tar -xaf $1
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# get the size of the new bootfs
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local _bootfs_size=$(wc -c < ./sysupgrade-dna_valokuitu-plus-ex400/kernel)
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[ -n "$_bootfs_size" -a "$_bootfs_size" -gt "0" ] || nand_do_upgrade_failed
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# remove existing rootfses and recreate rootfs_0
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ubirmvol /dev/ubi0 --name=rootfs_0 > /dev/null 2>&1
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ubirmvol /dev/ubi0 --name=rootfs_1 > /dev/null 2>&1
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ubirmvol /dev/ubi0 --name=rootfs > /dev/null 2>&1
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ubirmvol /dev/ubi0 --name=rootfs_data > /dev/null 2>&1
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ubimkvol /dev/ubi0 --type=static --size=${_bootfs_size} --name=rootfs_0
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# update the rootfs_0 contents
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local _kern_ubivol=$( nand_find_volume "ubi0" "rootfs_0" )
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ubiupdatevol /dev/${_kern_ubivol} sysupgrade-dna_valokuitu-plus-ex400/kernel
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fw_setenv root_vol rootfs_0
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fw_setenv boot_cnt_primary 0
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fw_setenv boot_cnt_alt 0
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# proceed to upgrade the default way
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CI_KERNPART=none
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nand_do_upgrade "$1"
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}
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