diff options
| -rw-r--r-- | target/linux/mediatek/mt7623/base-files/lib/preinit/79_move_config | 6 | ||||
| -rwxr-xr-x | target/linux/mediatek/mt7623/base-files/lib/upgrade/platform.sh | 199 |
2 files changed, 117 insertions, 88 deletions
diff --git a/target/linux/mediatek/mt7623/base-files/lib/preinit/79_move_config b/target/linux/mediatek/mt7623/base-files/lib/preinit/79_move_config index cbb6c604c8..f47894c0fd 100644 --- a/target/linux/mediatek/mt7623/base-files/lib/preinit/79_move_config +++ b/target/linux/mediatek/mt7623/base-files/lib/preinit/79_move_config @@ -10,7 +10,11 @@ move_config() { partnum=2 ;; unielec,u7623-02-emmc-512m) - partnum=1 + if grep -q root=/dev/mmcblk0p2 /proc/cmdline; then + partnum=1; + else + partnum=2; + fi ;; *) return 1 diff --git a/target/linux/mediatek/mt7623/base-files/lib/upgrade/platform.sh b/target/linux/mediatek/mt7623/base-files/lib/upgrade/platform.sh index 2b37846456..d3da22d496 100755 --- a/target/linux/mediatek/mt7623/base-files/lib/upgrade/platform.sh +++ b/target/linux/mediatek/mt7623/base-files/lib/upgrade/platform.sh @@ -1,92 +1,113 @@ -platform_do_upgrade() { - local board=$(board_name) - case "$board" in - bananapi,bpi-r2) - local diskdev partdev diff +REQUIRE_IMAGE_METADATA=1 - export_bootdevice && export_partdevice diskdev 0 || { - echo "Unable to determine upgrade device" - return 1 - } +# Full system upgrade including preloader for MediaTek SoCs on eMMC or SD +mtk_mmc_full_upgrade() { + local diskdev partdev diff oldrecovery - #Keep the persistent random mac address (if it exists) - mkdir -p /tmp/recovery - export_partdevice recoverydev 2 - if mount -o rw,noatime "/dev/$recoverydev" -tvfat /tmp/recovery; then - [ -f "/tmp/recovery/mac_addr" ] && cp /tmp/recovery/mac_addr /tmp/ - umount /tmp/recovery - fi - sync + if grep -q root=/dev/mmcblk0p2 /proc/cmdline; then + oldrecovery=1 + else + oldrecovery=2 + fi - if [ "$SAVE_PARTITIONS" = "1" ]; then - get_partitions "/dev/$diskdev" bootdisk + export_bootdevice && export_partdevice diskdev 0 || { + echo "Unable to determine upgrade device" + return 1 + } - #extract the boot sector from the image - get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b + #Keep the persistent random mac address (if it exists) + mkdir -p /tmp/recovery + export_partdevice recoverydev $oldrecovery + if mount -o rw,noatime "/dev/$recoverydev" -tvfat /tmp/recovery; then + [ -f "/tmp/recovery/mac_addr" ] && cp /tmp/recovery/mac_addr /tmp/ + umount /tmp/recovery + fi + sync - get_partitions /tmp/image.bs image + if [ "$SAVE_PARTITIONS" = "1" ]; then + get_partitions "/dev/$diskdev" bootdisk - #compare tables - diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)" - else - diff=1 - fi + #extract the boot sector from the image + get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b - if [ -n "$diff" ]; then - get_image "$@" | dd of="/dev/$diskdev" bs=4096 conv=fsync - - # Separate removal and addtion is necessary; otherwise, partition 1 - # will be missing if it overlaps with the old partition 2 - partx -d - "/dev/$diskdev" - partx -a - "/dev/$diskdev" - else - #iterate over each partition from the image and write it to the boot disk - while read part start size; do - part="$(($part - 2))" - if export_partdevice partdev $part; then - echo "Writing image to /dev/$partdev..." - get_image "$@" | dd of="/dev/$partdev" ibs="512" obs=1M skip="$start" count="$size" conv=fsync - else - echo "Unable to find partition $part device, skipped." - fi - done < /tmp/partmap.image - - #copy partition uuid - echo "Writing new UUID to /dev/$diskdev..." - get_image "$@" | dd of="/dev/$diskdev" bs=1 skip=440 count=4 seek=440 conv=fsync - fi + get_partitions /tmp/image.bs image - if mount -o rw,noatime "/dev/$recoverydev" -t vfat /tmp/recovery; then - [ -f "/tmp/mac_addr" ] && cp /tmp/mac_addr /tmp/recovery + #compare tables + diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)" + else + diff=1 + fi - if [ "$diskdev" = "mmcblk0" -a -r /tmp/recovery/eMMCboot.bin ]; then - echo 0 > /sys/block/mmcblk0boot0/force_ro - dd if=/tmp/recovery/eMMCboot.bin of=/dev/mmcblk0boot0 conv=fsync - sync - echo 1 > /sys/block/mmcblk0boot0/force_ro + if [ -n "$diff" ]; then + get_image "$@" | dd of="/dev/$diskdev" bs=4096 conv=fsync + + # Separate removal and addition is necessary; otherwise, partition 1 + # will be missing if it overlaps with the old partition 2 + partx -d - "/dev/$diskdev" + partx -a - "/dev/$diskdev" + else + # iterate over each partition from the image and write it to the boot disk + while read part start size; do + part="$(($part - 2))" + if export_partdevice partdev $part; then + echo "Writing image to /dev/$partdev..." + get_image "$@" | dd of="/dev/$partdev" ibs="512" obs=1M skip="$start" count="$size" conv=fsync + else + echo "Unable to find partition $part device, skipped." fi + done < /tmp/partmap.image + + #copy partition uuid + echo "Writing new UUID to /dev/$diskdev..." + get_image "$@" | dd of="/dev/$diskdev" bs=1 skip=440 count=4 seek=440 conv=fsync + fi + + export_partdevice recoverydev 2 + if mount -o rw,noatime "/dev/$recoverydev" -t vfat /tmp/recovery; then + [ -f "/tmp/mac_addr" ] && cp /tmp/mac_addr /tmp/recovery + + if [ "$diskdev" = "mmcblk0" -a -r /tmp/recovery/eMMCboot.bin ]; then + echo 0 > /sys/block/mmcblk0boot0/force_ro + dd if=/tmp/recovery/eMMCboot.bin of=/dev/mmcblk0boot0 conv=fsync sync - umount /tmp/recovery + echo 1 > /sys/block/mmcblk0boot0/force_ro fi + sync + umount /tmp/recovery + fi +} + +platform_do_upgrade() { + local board=$(board_name) + + case "$board" in + bananapi,bpi-r2) + mtk_mmc_full_upgrade "$1" ;; unielec,u7623-02-emmc-512m) - #Keep the persisten random mac address (if it exists) - mkdir -p /tmp/recovery - mount -o rw,noatime /dev/mmcblk0p1 /tmp/recovery - [ -f "/tmp/recovery/mac_addr" ] && \ - mv -f /tmp/recovery/mac_addr /tmp/ - umount /tmp/recovery + local magic="$(get_magic_long "$1")" + if [ "$magic" = "53444d4d" ]; then + mtk_mmc_full_upgrade "$1" + else # Old partial image starting with uImage + # Keep the persistent random mac address (if it exists) + recoverydev=mmcblk0p1 + mkdir -p /tmp/recovery + mount -o rw,noatime /dev/$recoverydev /tmp/recovery + [ -f "/tmp/recovery/mac_addr" ] && \ + mv -f /tmp/recovery/mac_addr /tmp/ + umount /tmp/recovery - #1310720 is the offset in bytes from the start of eMMC and to - #the location of the kernel (2560 512 byte sectors) - get_image "$1" | dd of=/dev/mmcblk0 bs=1310720 seek=1 conv=fsync + # 1310720 is the offset in bytes from the start of eMMC and to + # the location of the kernel (2560 512 byte sectors) + get_image "$1" | dd of=/dev/mmcblk0 bs=1310720 seek=1 conv=fsync - mount -o rw,noatime /dev/mmcblk0p1 /tmp/recovery - [ -f "/tmp/mac_addr" ] && mv -f /tmp/mac_addr /tmp/recovery - sync - umount /tmp/recovery + mount -o rw,noatime /dev/$recoverydev /tmp/recovery + [ -f "/tmp/mac_addr" ] && mv -f /tmp/mac_addr /tmp/recovery + sync + umount /tmp/recovery + fi ;; *) default_do_upgrade "$1" @@ -133,10 +154,21 @@ platform_check_image() { fi ;; unielec,u7623-02-emmc-512m) + # Can always upgrade to the new-style full image + [ "$magic" = "53444d4d" ] && return 0 + + # Legacy uImage directly at 0xA00 on the eMMC. [ "$magic" != "27051956" ] && { echo "Invalid image type." return 1 } + rootpart=$(cat /proc/cmdline) + rootpart="${rootpart##*root=}" + rootpart="${rootpart%% *}" + [ "$rootpart" != "/dev/mmcblk0p2" ] && { + echo "Cannot downgrade to legacy image." + return 1 + } return 0 ;; *) @@ -148,25 +180,18 @@ platform_check_image() { return 0 } -platform_copy_config_emmc() { - local partdev - - if export_bootdevice && export_partdevice partdev $1; then - mkdir -p /recovery - mount -o rw,noatime "/dev/$partdev" -t vfat /recovery - cp -af "$UPGRADE_BACKUP" "/recovery/$BACKUP_FILE" - sync - umount /recovery - fi -} - platform_copy_config() { case "$(board_name)" in - bananapi,bpi-r2) - platform_copy_config_emmc 2 - ;; + bananapi,bpi-r2|\ unielec,u7623-02-emmc-512m) - platform_copy_config_emmc 1 + # platform_do_upgrade() will have set $recoverydev + if [ -n "$recoverydev" ]; then + mkdir -p /tmp/recovery + mount -o rw,noatime "/dev/$recoverydev" -t vfat /tmp/recovery + cp -af "$UPGRADE_BACKUP" "/tmp/recovery/$BACKUP_FILE" + sync + umount /tmp/recovery + fi ;; esac } |