diff options
Diffstat (limited to 'target/linux/kirkwood/base-files/lib/upgrade/linksys.sh')
| -rw-r--r-- | target/linux/kirkwood/base-files/lib/upgrade/linksys.sh | 52 |
1 files changed, 37 insertions, 15 deletions
diff --git a/target/linux/kirkwood/base-files/lib/upgrade/linksys.sh b/target/linux/kirkwood/base-files/lib/upgrade/linksys.sh index dde3bd1b21..b89aad3d7e 100644 --- a/target/linux/kirkwood/base-files/lib/upgrade/linksys.sh +++ b/target/linux/kirkwood/base-files/lib/upgrade/linksys.sh @@ -3,23 +3,45 @@ # linksys_get_target_firmware() { - cur_boot_part=`/usr/sbin/fw_printenv -n boot_part` - target_firmware="" - if [ "$cur_boot_part" = "1" ] - then - # current primary boot - update alt boot - target_firmware="kernel2" - fw_setenv boot_part 2 - fw_setenv bootcmd "run altnandboot" - elif [ "$cur_boot_part" = "2" ] - then - # current alt boot - update primary boot - target_firmware="kernel1" - fw_setenv boot_part 1 - fw_setenv bootcmd "run nandboot" + + 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 + kernel|rootfs) + cur_boot_part=1 + ;; + alt_kernel|alt_rootfs) + cur_boot_part=2 + ;; + esac + >&2 printf "Current boot_part='%s' selected from ubi0/mtd_num='%s'" \ + "${cur_boot_part}" "${mtd_ubi0}" fi - echo "$target_firmware" + case $cur_boot_part in + 1) + fw_setenv -s - <<-EOF + boot_part 2 + bootcmd "run altnandboot" + EOF + printf "kernel2" + return + ;; + 2) + fw_setenv -s - <<-EOF + boot_part 1 + bootcmd "run nandboot" + EOF + printf "kernel1" + return + ;; + *) + return + ;; + esac } linksys_get_root_magic() { |