Initial commit

target/linux/ipq806x/base-files/lib/upgrade/linksys.sh

@@ -0,0 +1,107 @@
+#
+# 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/class/ubi/ubi0/mtd_num)
+		case $(grep -E ^mtd${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 $cur_boot_part in
+	1)
+		fw_setenv -s - <<-EOF
+			boot_part 2
+			auto_recovery yes
+		EOF
+		printf "kernel2"
+		return
+		;;
+	2)
+		fw_setenv -s - <<-EOF
+			boot_part 1
+			auto_recovery yes
+		EOF
+		printf "kernel1"
+		return
+		;;
+	*)
+		return
+		;;
+	esac
+}
+
+platform_do_upgrade_linksys() {
+	local magic_long="$(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
+		if nand_upgrade_tar "$1" ; then
+			nand_do_upgrade_success
+		else
+			nand_do_upgrade_failed
+		fi
+
+	}
+	[ "$magic_long" = "27051956" ] && {
+		get_image "$1" | mtd write - $part_label
+	}
+}