diff options
| -rw-r--r-- | target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh | 90 | ||||
| -rwxr-xr-x | target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh | 6 |
2 files changed, 61 insertions, 35 deletions
diff --git a/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh b/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh index 8303ae9922..40b2b2c76b 100644 --- a/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh +++ b/target/linux/ramips/mt7621/base-files/lib/upgrade/iodata.sh @@ -10,55 +10,79 @@ iodata_mstc_prepare_fail() { reboot -f } -# I-O DATA devices manufactured by MSTC (MitraStar Technology Corp.) -# have two important flags: -# - bootnum: switch between two os images -# use 1st image in OpenWrt -# - debugflag: enable/disable debug -# users can interrupt Z-Loader for recovering the device if enabled +# read/write 1byte in mtd device # # parameters: -# - $1: the offset of "debugflag" -iodata_mstc_upgrade_prepare() { - local persist_mtd="$(find_mtd_part persist)" - local factory_mtd="$(find_mtd_part factory)" - local dflag_offset="$1" +# $1: target mtd device ("/dev/mtdblockN") +# $2: offset of target value (decimal or hex) +# $3: value to set (decimal or hex, don't set when reading) +iodata_mstc_rw_byte() { + local mtd="$1" + local offset="$2" + local setval="$3" + local _val=$(hexdump -s $offset -n 1 -e '"%d"' $mtd) - if [ -z "$dflag_offset" ]; then - echo 'no debugflag offset provided' - iodata_mstc_prepare_fail + if [ -z "$setval" ]; then + echo $_val + return 0 fi - if [ -z "$persist_mtd" ] || [ -z "$factory_mtd" ]; then - echo 'cannot find mtd partition(s), "factory" or "persist"' - iodata_mstc_prepare_fail + # decimal or hex -> decimal + setval=$((setval)) + [ "$_val" = "$setval" ] && return 0 + setval="$(printf '%02x' $setval)" + + if ! (printf "\x$setval" | dd bs=1 seek=$((offset)) conv=notrunc of=$mtd 2>/dev/null); then + return 1 fi +} - local bootnum=$(hexdump -s 4 -n 1 -e '"%x"' ${persist_mtd}) - local debugflag=$(hexdump -s $((dflag_offset)) -n 1 -e '"%x"' ${factory_mtd}) +# set flag in mtd device on I-O DATA devices manufactured by MSTC +# (MitraStar Technology Corp.) +# +# parameters: +# $1: parameter name +# $2: mtd name contains target flag +# $3: offset of flag +# $4: valid flag values ("n,n,...", ex:"0,1" or "1,2") +# $5: value to set to the flag +iodata_mstc_set_flag() { + local name="$1" + local mtddev="$(find_mtd_part $2)" + local offset="$3" + local valid="$4" + local setval="$5" - if [ "$bootnum" != "1" ] && [ "$bootnum" != "2" ]; then - echo "failed to get bootnum, please check the value at 0x4 in ${persist_mtd}" + if [ -z "$offset" ]; then + echo "no $name flag offset provided" iodata_mstc_prepare_fail fi - if [ "$debugflag" != "0" ] && [ "$debugflag" != "1" ]; then - echo "failed to get debugflag, please check the value at ${dflag_offset} in ${factory_mtd}" + + if [ -z "$mtddev" ]; then + echo "cannot find \"$2\" mtd partition" iodata_mstc_prepare_fail fi - echo "current: bootnum => ${bootnum}, debugflag => ${debugflag}" - if [ "$bootnum" = "2" ]; then - if ! (echo -ne "\x01" | dd bs=1 count=1 seek=4 conv=notrunc of=${persist_mtd} 2>/dev/null); then - echo "failed to set bootnum" - iodata_mstc_prepare_fail + local flag=$(iodata_mstc_rw_byte "$mtddev" "$offset") + local _tmp + for i in ${valid//,/ }; do + if [ "$flag" = "$((i))" ]; then + _tmp=$flag + break fi - echo "### switch to 1st os-image on next boot ###" + done + + if [ -z "$_tmp" ]; then + echo "failed to get valid $name flag, please check the value at $offset in $mtddev" + iodata_mstc_prepare_fail fi - if [ "$debugflag" = "0" ]; then - if ! (echo -ne "\x01" | dd bs=1 count=1 seek=$((dflag_offset)) conv=notrunc of=${factory_mtd} 2>/dev/null); then - echo "failed to set debugflag" + echo "current: $name => $flag" + + if [ "$flag" != "$((setval))" ]; then + if ! iodata_mstc_rw_byte "$mtddev" "$offset" "$setval"; then + echo "failed to set \"$name\" flag" iodata_mstc_prepare_fail fi - echo "### enable debug ###" + echo " --> set \"$name\" flag to $setval (valid: $valid)" fi } diff --git a/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh b/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh index 3c6d02f4fa..85e97b4f83 100755 --- a/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh +++ b/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh @@ -125,11 +125,13 @@ platform_do_upgrade() { iodata,wn-ax2033gr|\ iodata,wn-dx1167r|\ iodata,wn-dx2033gr) - iodata_mstc_upgrade_prepare "0xfe75" + iodata_mstc_set_flag "debugflag" "factory" "0xfe75" "0,1" "1" + iodata_mstc_set_flag "bootnum" "persist" "0x4" "1,2" "1" nand_do_upgrade "$1" ;; iodata,wn-dx1200gr) - iodata_mstc_upgrade_prepare "0x1fe75" + iodata_mstc_set_flag "debugflag" "factory" "0x1fe75" "0,1" "1" + iodata_mstc_set_flag "bootnum" "persist" "0x4" "1,2" "1" nand_do_upgrade "$1" ;; tplink,er605-v2) |