mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 09:12:39 +00:00
0f910a8c4c
Remove extraneous code that disabled boot partition detection.
Fixes: b3770eaca3 ("mtd: base-files: Unify dual-firmware devices (Linksys)")
Signed-off-by: Samantha Collard <sammyrc34@gmail.com>
119 lines
2.4 KiB
Bash
119 lines
2.4 KiB
Bash
#
|
|
# Copyright (C) 2014-2015 OpenWrt.org
|
|
#
|
|
|
|
linksys_get_target_firmware() {
|
|
|
|
local cur_boot_part mtd_ubi0
|
|
|
|
cur_boot_part=$(/usr/sbin/fw_printenv -n boot_part)
|
|
if [ -z "${cur_boot_part}" ] ; then
|
|
mtd_ubi0=$(cat /sys/devices/virtual/ubi/ubi0/mtd_num)
|
|
case $(egrep ^mtd${mtd_ubi0}: /proc/mtd | cut -d '"' -f 2) in
|
|
kernel1|rootfs1)
|
|
cur_boot_part=1
|
|
;;
|
|
kernel2|rootfs2)
|
|
cur_boot_part=2
|
|
;;
|
|
esac
|
|
>&2 printf "Current boot_part='%s' selected from ubi0/mtd_num='%s'" \
|
|
"${cur_boot_part}" "${mtd_ubi0}"
|
|
fi
|
|
|
|
case $cur_boot_part in
|
|
1)
|
|
fw_setenv -s - <<-EOF
|
|
boot_part 2
|
|
auto_recovery yes
|
|
EOF
|
|
printf "kernel2"
|
|
return
|
|
;;
|
|
2)
|
|
fw_setenv -s - <<-EOF
|
|
boot_part 1
|
|
auto_recovery yes
|
|
EOF
|
|
printf "kernel1"
|
|
return
|
|
;;
|
|
*)
|
|
return
|
|
;;
|
|
esac
|
|
}
|
|
|
|
linksys_get_root_magic() {
|
|
(get_image "$@" | dd skip=786432 bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev/null
|
|
}
|
|
|
|
platform_do_upgrade_linksys() {
|
|
local magic_long="$(get_magic_long "$1")"
|
|
|
|
mkdir -p /var/lock
|
|
local part_label="$(linksys_get_target_firmware)"
|
|
touch /var/lock/fw_printenv.lock
|
|
|
|
if [ ! -n "$part_label" ]
|
|
then
|
|
echo "cannot find target partition"
|
|
exit 1
|
|
fi
|
|
|
|
local target_mtd=$(find_mtd_part $part_label)
|
|
|
|
[ "$magic_long" = "73797375" ] && {
|
|
CI_KERNPART="$part_label"
|
|
if [ "$part_label" = "kernel1" ]
|
|
then
|
|
CI_UBIPART="rootfs1"
|
|
else
|
|
CI_UBIPART="rootfs2"
|
|
fi
|
|
|
|
|
|
# remove "squashfs" vol (in case we are flashing over a stock image, which is also UBI)
|
|
|
|
local mtdnum="$( find_mtd_index "$CI_UBIPART" )"
|
|
if [ ! "$mtdnum" ]; then
|
|
echo "cannot find ubi mtd partition $CI_UBIPART"
|
|
return 1
|
|
fi
|
|
|
|
local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
|
|
if [ ! "$ubidev" ]; then
|
|
ubiattach -m "$mtdnum"
|
|
sync
|
|
ubidev="$( nand_find_ubi "$CI_UBIPART" )"
|
|
fi
|
|
|
|
if [ "$ubidev" ]; then
|
|
|
|
local squash_ubivol="$( nand_find_volume $ubidev squashfs )"
|
|
|
|
# kill volume
|
|
[ "$squash_ubivol" ] && ubirmvol /dev/$ubidev -N squashfs || true
|
|
fi
|
|
|
|
|
|
# complete std upgrade
|
|
nand_upgrade_tar "$1"
|
|
}
|
|
[ "$magic_long" = "27051956" ] && {
|
|
# check firmwares' rootfs types
|
|
local oldroot="$(linksys_get_root_magic $target_mtd)"
|
|
local newroot="$(linksys_get_root_magic "$1")"
|
|
|
|
if [ "$newroot" = "55424923" -a "$oldroot" = "55424923" ]
|
|
# we're upgrading from a firmware with UBI to one with UBI
|
|
then
|
|
# erase everything to be safe
|
|
mtd erase $part_label
|
|
get_image "$1" | mtd -n write - $part_label
|
|
else
|
|
get_image "$1" | mtd write - $part_label
|
|
fi
|
|
}
|
|
}
|