ar71xx: fix sysupgrade on the WRT400N (thanks to chuljin)
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / base-files / lib / upgrade / platform.sh
1 #
2 # Copyright (C) 2009 OpenWrt.org
3 #
4
5 . /lib/ar71xx.sh
6
7 PART_NAME=firmware
8 RAMFS_COPY_DATA=/lib/ar71xx.sh
9
10 CI_BLKSZ=65536
11 CI_LDADR=0x80060000
12
13 platform_find_partitions() {
14 local first dev size erasesize name
15 while read dev size erasesize name; do
16 name=${name#'"'}; name=${name%'"'}
17 case "$name" in
18 vmlinux.bin.l7|kernel|linux|rootfs)
19 if [ -z "$first" ]; then
20 first="$name"
21 else
22 echo "$erasesize:$first:$name"
23 break
24 fi
25 ;;
26 esac
27 done < /proc/mtd
28 }
29
30 platform_find_kernelpart() {
31 local part
32 for part in "${1%:*}" "${1#*:}"; do
33 case "$part" in
34 vmlinux.bin.l7|kernel|linux)
35 echo "$part"
36 break
37 ;;
38 esac
39 done
40 }
41
42 platform_do_upgrade_combined() {
43 local partitions=$(platform_find_partitions)
44 local kernelpart=$(platform_find_kernelpart "${partitions#*:}")
45 local erase_size=$((0x${partitions%%:*})); partitions="${partitions#*:}"
46 local kern_length=0x$(dd if="$1" bs=2 skip=1 count=4 2>/dev/null)
47 local kern_blocks=$(($kern_length / $CI_BLKSZ))
48 local root_blocks=$((0x$(dd if="$1" bs=2 skip=5 count=4 2>/dev/null) / $CI_BLKSZ))
49
50 if [ -n "$partitions" ] && [ -n "$kernelpart" ] && \
51 [ ${kern_blocks:-0} -gt 0 ] && \
52 [ ${root_blocks:-0} -gt ${kern_blocks:-0} ] && \
53 [ ${erase_size:-0} -gt 0 ];
54 then
55 local append=""
56 [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
57
58 ( dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null; \
59 dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null ) | \
60 mtd -r $append -F$kernelpart:$kern_length:$CI_LDADR,rootfs write - $partitions
61 fi
62 }
63
64 platform_check_image() {
65 local board=$(ar71xx_board_name)
66 local magic="$(get_magic_word "$1")"
67
68 [ "$ARGC" -gt 1 ] && return 1
69
70 case "$board" in
71 ap81 | ap83 | dir-600-a1 | dir-615-c1 | dir-825-b1 | mzk-w04nu | mzk-w300nh | tew-632brp | wrt400n | bullet-m | nano-m | rocket-m | wzr-hp-g300nh)
72 [ "$magic" != "2705" ] && {
73 echo "Invalid image type."
74 return 1
75 }
76 return 0
77 ;;
78 tl-wr741nd | tl-wr841n-v1 | tl-wr941nd | tl-wr1043nd)
79 [ "$magic" != "0100" ] && {
80 echo "Invalid image type."
81 return 1
82 }
83 return 0
84 ;;
85 wndr3700)
86 [ "$magic" != "3337" ] && {
87 echo "Invalid image type."
88 return 1
89 }
90 return 0
91 ;;
92 wrt160nl)
93 [ "$magic" != "4e4c" ] && {
94 echo "Invalid image type."
95 return 1
96 }
97 return 0
98 ;;
99 routerstation | routerstation-pro | ls-sr71 | pb42 | pb44)
100 [ "$magic" != "4349" ] && {
101 echo "Invalid image. Use *-sysupgrade.bin files on this board"
102 return 1
103 }
104
105 local md5_img=$(dd if="$1" bs=2 skip=9 count=16 2>/dev/null)
106 local md5_chk=$(dd if="$1" bs=$CI_BLKSZ skip=1 2>/dev/null | md5sum -); md5_chk="${md5_chk%% *}"
107
108 if [ -n "$md5_img" -a -n "$md5_chk" ] && [ "$md5_img" = "$md5_chk" ]; then
109 return 0
110 else
111 echo "Invalid image. Contents do not match checksum (image:$md5_img calculated:$md5_chk)"
112 return 1
113 fi
114 return 0
115 ;;
116 esac
117
118 echo "Sysupgrade is not yet supported on $board."
119 return 1
120 }
121
122 platform_do_upgrade() {
123 local board=$(ar71xx_board_name)
124
125 case "$board" in
126 routerstation | routerstation-pro)
127 platform_do_upgrade_combined "$ARGV"
128 ;;
129 *)
130 default_do_upgrade "$ARGV"
131 ;;
132 esac
133 }
134
135 disable_watchdog() {
136 killall watchdog
137 ( ps | grep -v 'grep' | grep '/dev/watchdog' ) && {
138 echo 'Could not disable watchdog'
139 return 1
140 }
141 }
142
143 append sysupgrade_pre_upgrade disable_watchdog