1 # The U-Boot loader of the OpenMesh devices requires image sizes and
2 # checksums to be provided in the U-Boot environment.
3 # The OpenMesh devices come with 2 main partitions - while one is active
4 # sysupgrade will flash the other. The boot order is changed to boot the
5 # newly flashed partition. If the new partition can't be booted due to
6 # upgrade failures the previously used partition is loaded.
16 local section=$2 our_section=0
17 local param=$3 our_param=
21 [ "$cfg_opt" = "[$section]" ] && our_section=1 && continue
22 [ "$our_section" = "1" ] || continue
24 our_param=$(echo ${cfg_opt%%=*})
25 [ "$param" = "$our_param" ] && echo ${cfg_opt##*=} && break
29 # make sure we got uboot-envtools and fw_env.config copied over to the ramfs
30 # create /var/lock for the lock "fw_setenv.lock" of fw_setenv
31 platform_add_ramfs_ubootenv()
33 [ -e /usr/sbin/fw_printenv ] && install_bin /usr/sbin/fw_printenv /usr/sbin/fw_setenv
34 [ -e /etc/fw_env.config ] && install_file /etc/fw_env.config
35 mkdir -p $RAM_ROOT/var/lock
37 append sysupgrade_pre_upgrade platform_add_ramfs_ubootenv
39 platform_check_image_target_openmesh()
43 case "$img_board_target" in
45 [ "$board" = "om2p" ] && return 0
46 [ "$board" = "om2pv2" ] && return 0
47 [ "$board" = "om2p-lc" ] && return 0
48 [ "$board" = "om2p-hs" ] && return 0
49 [ "$board" = "om2p-hsv2" ] && return 0
50 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
54 [ "$board" = "om5p" ] && return 0
55 [ "$board" = "om5p-an" ] && return 0
56 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
60 [ "$board" = "om5p-ac" ] && return 0
61 [ "$board" = "om5p-acv2" ] && return 0
62 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
66 [ "$board" = "mr1750" ] && return 0
67 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
71 [ "$board" = "mr600" ] && return 0
72 [ "$board" = "mr600v2" ] && return 0
73 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
77 [ "$board" = "mr900" ] && return 0
78 [ "$board" = "mr900v2" ] && return 0
79 echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
83 echo "Invalid board target ($img_board_target). Use the correct image for this platform"
89 platform_check_image_openmesh()
93 local fw_printenv=/usr/sbin/fw_printenv
94 local img_board_target= img_num_files= i=0
95 local cfg_name= kernel_name= rootfs_name=
98 # Combined Extended Image v1
100 img_board_target=$(trim $(dd if="$img_path" bs=4 skip=1 count=8 2>/dev/null))
101 img_num_files=$(trim $(dd if="$img_path" bs=2 skip=18 count=1 2>/dev/null))
104 echo "Invalid image ($img_magic). Use combined extended images on this platform"
109 platform_check_image_target_openmesh "$img_board_target" || return 1
111 [ $img_num_files -ne 3 ] && {
112 echo "Invalid number of embedded images ($img_num_files). Use the correct image for this platform"
116 cfg_name=$(trim $(dd if="$img_path" bs=2 skip=19 count=16 2>/dev/null))
118 [ "$cfg_name" != "fwupgrade.cfg" ] && {
119 echo "Invalid embedded config file ($cfg_name). Use the correct image for this platform"
123 kernel_name=$(trim $(dd if="$img_path" bs=2 skip=55 count=16 2>/dev/null))
125 [ "$kernel_name" != "kernel" ] && {
126 echo "Invalid embedded kernel file ($kernel_name). Use the correct image for this platform"
130 rootfs_name=$(trim $(dd if="$img_path" bs=2 skip=91 count=16 2>/dev/null))
132 [ "$rootfs_name" != "rootfs" ] && {
133 echo "Invalid embedded kernel file ($rootfs_name). Use the correct image for this platform"
137 [ ! -x "$fw_printenv" ] && {
138 echo "Please install uboot-envtools!"
142 [ ! -r "/etc/fw_env.config" ] && {
143 echo "/etc/fw_env.config is missing"
150 platform_do_upgrade_openmesh()
152 local img_path=$1 img_board_target=
153 local kernel_start_addr= kernel_start_addr1= kernel_start_addr2=
154 local kernel_size= kernel_md5=
155 local rootfs_size= rootfs_checksize= rootfs_md5=
156 local kernel_bsize= total_size=
157 local data_offset=$((64 * 1024)) block_size= offset=
158 local uboot_env_upgrade="/tmp/fw_env_upgrade"
159 local cfg_size= kernel_size= rootfs_size=
162 [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
164 cfg_size=$(dd if="$img_path" bs=2 skip=35 count=4 2>/dev/null)
165 kernel_size=$(dd if="$img_path" bs=2 skip=71 count=4 2>/dev/null)
166 rootfs_size=$(dd if="$img_path" bs=2 skip=107 count=4 2>/dev/null)
168 img_board_target=$(trim $(dd if="$img_path" bs=4 skip=1 count=8 2>/dev/null))
169 cfg_content=$(dd if="$img_path" bs=1 skip=$data_offset count=$(echo $((0x$cfg_size))) 2>/dev/null)
171 case $img_board_target in
173 block_size=$((256 * 1024))
175 kernel_start_addr1=0x9f1c0000
176 kernel_start_addr2=0x9f8c0000
178 OM5P|OM5PAC|MR600|MR900|MR1750)
179 block_size=$((64 * 1024))
181 kernel_start_addr1=0x9f0b0000
182 kernel_start_addr2=0x9f850000
186 kernel_md5=$(cfg_value_get "$cfg_content" "vmlinux" "md5sum")
187 rootfs_md5=$(cfg_value_get "$cfg_content" "rootfs" "md5sum")
188 rootfs_checksize=$(cfg_value_get "$cfg_content" "rootfs" "checksize")
190 if [ "$((0x$kernel_size % $block_size))" = "0" ]
192 kernel_bsize=$(echo $((0x$kernel_size)))
194 kernel_bsize=$((0x$kernel_size + ($block_size - (0x$kernel_size % $block_size))))
197 mtd -q erase inactive
199 offset=$(echo $(($data_offset + 0x$cfg_size + 0x$kernel_size)))
200 dd if="$img_path" bs=1 skip=$offset count=$(echo $((0x$rootfs_size))) 2>&- | mtd -n -p $kernel_bsize $append write - "inactive"
202 offset=$(echo $(($data_offset + 0x$cfg_size)))
203 dd if="$img_path" bs=1 skip=$offset count=$(echo $((0x$kernel_size))) 2>&- | mtd -n write - "inactive"
205 rm $uboot_env_upgrade 2>&-
207 if [ "$(grep 'mtd3:.*inactive' /proc/mtd)" ]
209 printf "kernel_size_1 %u\n" $(($kernel_bsize / 1024)) >> $uboot_env_upgrade
210 printf "rootfs_size_1 %u\n" $((($total_size - $kernel_bsize) / 1024)) >> $uboot_env_upgrade
211 printf "bootseq 1,2\n" >> $uboot_env_upgrade
212 kernel_start_addr=$kernel_start_addr1
214 printf "kernel_size_2 %u\n" $(($kernel_bsize / 1024)) >> $uboot_env_upgrade
215 printf "rootfs_size_2 %u\n" $((($total_size - $kernel_bsize) / 1024)) >> $uboot_env_upgrade
216 printf "bootseq 2,1\n" >> $uboot_env_upgrade
217 kernel_start_addr=$kernel_start_addr2
220 printf "vmlinux_start_addr %s\n" $kernel_start_addr >> $uboot_env_upgrade
221 printf "vmlinux_size 0x%s\n" $kernel_size >> $uboot_env_upgrade
222 printf "vmlinux_checksum %s\n" $kernel_md5 >> $uboot_env_upgrade
223 printf "rootfs_start_addr 0x%x\n" $(($kernel_start_addr + $kernel_bsize)) >> $uboot_env_upgrade
224 printf "rootfs_size %s\n" $rootfs_checksize >> $uboot_env_upgrade
225 printf "rootfs_checksum %s\n" $rootfs_md5 >> $uboot_env_upgrade
227 fw_setenv -s $uboot_env_upgrade || {
228 echo "failed to update U-Boot environment"