1#
2# Copyright (C) 2011 OpenWrt.org
3#
4
5. /lib/mpc85xx.sh
6
7PART_NAME=firmware
8RAMFS_COPY_DATA=/lib/mpc85xx.sh
9
10tplink_get_hwid() {
11	local part
12
13	part=$(find_mtd_part u-boot)
14	[ -z "$part" ] && return 1
15
16	dd if=$part bs=4 count=1 skip=81728 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
17}
18
19tplink_get_image_hwid() {
20	get_image "$@" | dd bs=4 count=1 skip=16 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
21}
22
23tplink_get_image_boot_size() {
24	get_image "$@" | dd bs=4 count=1 skip=37 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
25}
26
27platform_check_image() {
28	local board=$(mpc85xx_board_name)
29	local magic="$(get_magic_long "$1")"
30
31	[ "$#" -gt 1 ] && return 1
32
33	case $board in
34	tl-wdr4900-v1)
35		[ "$magic" != "01000000" ] && {
36			echo "Invalid image type."
37			return 1
38		}
39
40		local hwid
41		local imageid
42
43		hwid=$(tplink_get_hwid)
44		imageid=$(tplink_get_image_hwid "$1")
45
46		[ "$hwid" != "$imageid" ] && {
47			echo "Invalid image, hardware ID mismatch, hw:$hwid image:$imageid."
48			return 1
49		}
50
51		local boot_size
52
53		boot_size=$(tplink_get_image_boot_size "$1")
54		[ "$boot_size" != "00000000" ] && {
55			echo "Invalid image, it contains a bootloader."
56			return 1
57		}
58
59		return 0
60		;;
61	esac
62
63	echo "Sysupgrade is not yet supported on $board."
64	return 1
65}
66
67platform_do_upgrade() {
68	local board=$(mpc85xx_board_name)
69
70	case "$board" in
71	*)
72		default_do_upgrade "$ARGV"
73		;;
74	esac
75}
76
77disable_watchdog() {
78	killall watchdog
79	( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
80		echo 'Could not disable watchdog'
81		return 1
82	}
83}
84
85append sysupgrade_pre_upgrade disable_watchdog
86