add sysupgrade support

[openwrt/openwrt.git] / target / linux / mvebu / base-files / lib / upgrade / linksys.sh

diff --git a/target/linux/mvebu/base-files/lib/upgrade/linksys.sh b/target/linux/mvebu/base-files/lib/upgrade/linksys.sh
new file mode 100644 (file)
index 0000000..8f5a89a
--- /dev/null
+++ b/target/linux/mvebu/base-files/lib/upgrade/linksys.sh
@@ -0,0 +1,54 @@
+#
+# Copyright (C) 2014 OpenWrt.org
+#
+
+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"
+       fi
+
+       echo "$target_firmware"
+}
+
+platform_do_upgrade_linksys() {
+       local magic_long="$(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
+
+       # we don't know, what filesystem does the other partition use,
+       # nuke it tobe safe
+       mtd erase $part_label
+       get_image "$1" | mtd -n write - $part_label
+}
+
+linksys_preupgrade() {
+       export RAMFS_COPY_BIN="${RAMFS_COPY_BIN} /usr/sbin/fw_printenv /usr/sbin/fw_setenv"
+       export RAMFS_COPY_BIN="${RAMFS_COPY_BIN} /bin/mkdir /bin/touch"
+       export RAMFS_COPY_DATA="${RAMFS_COPY_DATA} /etc/fw_env.config /var/lock/fw_printenv.lock"
+
+       [ -f /tmp/sysupgrade.tgz ] && {
+               cp /tmp/sysupgrade.tgz /tmp/syscfg/sysupgrade.tgz
+       }
+}
+
+append sysupgrade_pre_upgrade linksys_preupgrade