This automatically writes to the alternate firmware partition (on Linksys's dual firmware layout) using code borrowed from the WRT1900AC port. Signed-off-by: Claudio Leite <leitec@staticky.com> SVN-Revision: 47434master
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# |
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# Copyright (C) 2014 OpenWrt.org |
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# |
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linksys_get_target_firmware() { |
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cur_boot_part=`/usr/sbin/fw_printenv -n boot_part` |
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target_firmware="" |
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if [ "$cur_boot_part" = "1" ] |
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then |
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# current primary boot - update alt boot |
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target_firmware="kernel2" |
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fw_setenv boot_part 2 |
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fw_setenv bootcmd "run altnandboot" |
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elif [ "$cur_boot_part" = "2" ] |
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then |
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# current alt boot - update primary boot |
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target_firmware="kernel1" |
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fw_setenv boot_part 1 |
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fw_setenv bootcmd "run nandboot" |
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fi |
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echo "$target_firmware" |
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} |
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linksys_get_root_magic() { |
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(get_image "$@" | dd skip=786432 bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev/null |
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} |
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platform_do_upgrade_linksys() { |
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local magic_long="$(get_magic_long "$1")" |
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mkdir -p /var/lock |
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local part_label="$(linksys_get_target_firmware)" |
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touch /var/lock/fw_printenv.lock |
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if [ ! -n "$part_label" ] |
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then |
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echo "cannot find target partition" |
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exit 1 |
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fi |
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local target_mtd=$(find_mtd_part $part_label) |
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[ "$magic_long" = "73797375" ] && { |
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CI_KERNPART="$part_label" |
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if [ "$part_label" = "kernel1" ] |
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then |
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CI_UBIPART="rootfs1" |
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else |
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CI_UBIPART="rootfs2" |
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fi |
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nand_upgrade_tar "$1" |
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} |
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[ "$magic_long" = "27051956" ] && { |
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# check firmwares' rootfs types |
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local target_mtd=$(find_mtd_part $part_label) |
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local oldroot="$(linksys_get_root_magic $target_mtd)" |
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local newroot="$(linksys_get_root_magic "$1")" |
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if [ "$newroot" = "55424923" -a "$oldroot" = "55424923" ] |
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# we're upgrading from a firmware with UBI to one with UBI |
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then |
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# erase everything to be safe |
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mtd erase $part_label |
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get_image "$1" | mtd -n write - $part_label |
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else |
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get_image "$1" | mtd write - $part_label |
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fi |
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} |
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} |
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linksys_preupgrade() { |
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export RAMFS_COPY_BIN="${RAMFS_COPY_BIN} /usr/sbin/fw_printenv /usr/sbin/fw_setenv" |
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export RAMFS_COPY_BIN="${RAMFS_COPY_BIN} /bin/mkdir /bin/touch" |
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export RAMFS_COPY_DATA="${RAMFS_COPY_DATA} /etc/fw_env.config /var/lock/fw_printenv.lock" |
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} |
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append sysupgrade_pre_upgrade linksys_preupgrade |
@ -0,0 +1,32 @@ |
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. /lib/kirkwood.sh |
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platform_check_image() { |
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[ "$#" -gt 1 ] && return 1 |
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local board="$(kirkwood_board_name)" |
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local magic="$(get_magic_long "$1")" |
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case "$board" in |
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"linksys-audi"|\ |
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"linksys-viper") |
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[ "$magic" != "27051956" -a "$magic" != "73797375" ] && { |
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echo "Invalid image type." |
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return 1 |
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} |
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return 0 |
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;; |
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esac |
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echo "Sysupgrade is not yet supported on $board." |
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return 1 |
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} |
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platform_do_upgrade() { |
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local board="$(kirkwood_board_name)" |
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case "$board" in |
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"linksys-audi"|\ |
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"linksys-viper") |
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platform_do_upgrade_linksys "$ARGV" |
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;; |
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esac |
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} |
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