diff options
Diffstat (limited to 'target/linux/ipq40xx/base-files/lib/upgrade')
| -rwxr-xr-x | target/linux/ipq40xx/base-files/lib/upgrade/linksys.sh | 95 | ||||
| -rw-r--r-- | target/linux/ipq40xx/base-files/lib/upgrade/platform.sh | 3 |
2 files changed, 98 insertions, 0 deletions
diff --git a/target/linux/ipq40xx/base-files/lib/upgrade/linksys.sh b/target/linux/ipq40xx/base-files/lib/upgrade/linksys.sh new file mode 100755 index 0000000000..9772d68f3d --- /dev/null +++ b/target/linux/ipq40xx/base-files/lib/upgrade/linksys.sh @@ -0,0 +1,95 @@ +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="alt_kernel" + fw_setenv boot_part 2 + # In the Linksys EA6350v3, it is enough to set the boot_part as the boot command line is + # bootcmd=if test $boot_part = 1; then run bootpart1; else run bootpart2; fi + # - You probably want to use that if your device's uboot does not eval bootcmd + #fw_setenv bootcmd "run altnandboot" + elif [ "$cur_boot_part" = "2" ]; then + # current alt boot - update primary boot + target_firmware="kernel" + fw_setenv boot_part 1 + #fw_setenv bootcmd "run nandboot" + fi + + # re-enable recovery so we get back if the new firmware is broken + fw_setenv auto_recovery yes + # see /etc/init.d/zlinksys_recovery + + echo "$target_firmware" +} + +linksys_get_root_magic() { + (get_image "$@" | 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" = "kernel" ]; then + CI_UBIPART="rootfs" + else + CI_UBIPART="alt_rootfs" + 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" ] && { + # This magic is for a uImage (which is a sysupgrade image) + # 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" ]; then + # we're upgrading from a firmware with UBI to one with UBI + # erase everything to be safe + # - Is that really needed? Won't remove (or comment) the if, because it may be needed in a future device. + #mtd erase $part_label + #get_image "$1" | mtd -n write - $part_label + echo "writing \"$1\" UBI image to \"$part_label\" (UBI)..." + get_image "$1" | mtd write - $part_label + else + echo "writing \"$1\" image to \"$part_label\"" + get_image "$1" | mtd write - $part_label + fi + } +} diff --git a/target/linux/ipq40xx/base-files/lib/upgrade/platform.sh b/target/linux/ipq40xx/base-files/lib/upgrade/platform.sh index 610f9bbbdb..c5f06ffb3a 100644 --- a/target/linux/ipq40xx/base-files/lib/upgrade/platform.sh +++ b/target/linux/ipq40xx/base-files/lib/upgrade/platform.sh @@ -54,6 +54,9 @@ platform_do_upgrade() { CI_KERNPART="linux" nand_do_upgrade "$1" ;; + linksys,ea6350v3) + platform_do_upgrade_linksys "$ARGV" + ;; openmesh,a42 |\ openmesh,a62) PART_NAME="inactive" |