diff options
Diffstat (limited to 'target/linux/mvebu/cortexa53/base-files/lib/upgrade/uDPU.sh')
| -rw-r--r-- | target/linux/mvebu/cortexa53/base-files/lib/upgrade/uDPU.sh | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/target/linux/mvebu/cortexa53/base-files/lib/upgrade/uDPU.sh b/target/linux/mvebu/cortexa53/base-files/lib/upgrade/uDPU.sh new file mode 100644 index 0000000000..032c706605 --- /dev/null +++ b/target/linux/mvebu/cortexa53/base-files/lib/upgrade/uDPU.sh @@ -0,0 +1,156 @@ +udpu_check_emmc() { +# uDPU uses combined ext4 and f2fs partitions. +# partition layout: +# 1. boot (ext4) +# 2. recovery (ext4) +# 3. rootfs (f2fs) +# 4. misc (f2fs) + + # Check which device is available, depending on the board revision + if [ -b "/dev/mmcblk1" ]; then + emmc_dev=/dev/mmcblk1 + elif [ -b "/dev/mmcblk0" ]; then + emmc_dev=/dev/mmcblk0 + else + echo "Cannot detect eMMC flash, aborting.." + exit 1 + fi +} + +udpu_part_prep() { + if [ "$(grep $1 /proc/mounts)" ]; then + mounted_part="$(grep $1 /proc/mounts | awk '{print $2}' | head -1)" + umount $mounted_part + [ "$(grep -wo $mounted_part /proc/mounts)" ] && umount -l $mounted_part + fi +} + +udpu_do_part_check() { + local emmc_parts="1 2 3 4" + local part_valid="1" + + # Check if the block devices exist + for num in ${emmc_parts}; do + [[ ! -b ${emmc_dev}p${num} ]] && part_valid="0" + done + + # If partitions are missing create a new partition table + if [ "$part_valid" != "1" ]; then + printf "Invalid partition table, creating a new one\n" + printf "o\nn\np\n1\n\n+256M\nn\np\n2\n\n+256M\nn\np\n3\n\n+1536M\nn\np\n\n\nw\n" | fdisk -W always $emmc_dev > /dev/null 2>&1 + + # Format the /misc part right away as we will need it for the firmware + printf "Formating /misc partition, this make take a while..\n" + udpu_part_prep ${emmc_dev}p4 + mkfs.f2fs -q -l misc ${emmc_dev}p4 + [ $? -eq 0 ] && printf "/misc partition formated successfully\n" || printf "/misc partition formatting failed\n" + + udpu_do_initial_setup + else + printf "Partition table looks ok\n" + fi +} + +udpu_do_misc_prep() { + if [ ! "$(grep -wo /misc /proc/mounts)" ]; then + mkdir -p /misc + mount ${emmc_dev}p4 /misc + + # If the mount fails, try to reformat partition + # Leaving possiblity for multiple iterations + if [ $? -ne 0 ]; then + printf "Error while mounting /misc, trying to reformat..\n" + + format_count=0 + while [ "$format_count" -lt "1" ]; do + udpu_part_prep ${emmc_dev}p4 + mkfs.f2fs -q -l misc ${emmc_dev}p4 + mount ${emmc_dev}p4 /misc + if [ $? -ne 0 ]; then + umount -l /misc + printf "Failed while mounting /misc\n" + format_count=$((format_count +1)) + else + printf "Mounted /misc successfully\n" + break + fi + done + fi + fi +} + +udpu_do_initial_setup() { + # Prepare /recovery parition + udpu_part_prep ${emmc_dev}p2 + mkfs.ext4 -q ${emmc_dev}p2 | echo y &> /dev/null + + # Prepare /boot partition + udpu_part_prep ${emmc_dev}p1 + mkfs.ext4 -q ${emmc_dev}p1 | echo y &> /dev/null + + # Prepare /root partition + printf "Formating /root partition, this may take a while..\n" + udpu_part_prep ${emmc_dev}p3 + mkfs.f2fs -q -l rootfs ${emmc_dev}p3 + [ $? -eq 0 ] && printf "/root partition reformated\n" +} + +udpu_do_regular_upgrade() { + # Clean /boot partition - mfks.ext4 is not available in chroot + [ "$(grep -wo /boot /proc/mounts)" ] && umount /boot + mkdir -p /tmp/boot + mount ${emmc_dev}p1 /tmp/boot + rm -rf /tmp/boot/* + + # Clean /root partition - mkfs.f2fs is not available in chroot + [ "$(grep -wo /dev/root /proc/mounts)" ] && umount / + mkdir -p /tmp/rootpart + mount ${emmc_dev}p3 /tmp/rootpart + rm -rf /tmp/rootpart/* +} + +platform_do_upgrade_uDPU() { + udpu_check_emmc + + # Prepare and extract firmware on /misc partition + udpu_do_misc_prep + + [ -f "/misc/firmware" ] && rm -r /misc/firmware + mkdir -p /misc/firmware + tar xzf "$1" -C /misc/firmware/ + + udpu_do_regular_upgrade + + printf "Updating /boot partition\n" + tar xzf /misc/firmware/boot.tgz -C /tmp/boot + [ $? -eq 0 ] && printf "/boot partition updated successfully\n" || printf "/boot partition update failed\n" + sync + + printf "Updating /root partition\n" + tar xzf /misc/firmware/rootfs.tgz -C /tmp/rootpart + [ $? -eq 0 ] && printf "/root partition updated successfully\n" || printf "/root partition update failed\n" + sync + + # Saving configuration files over sysupgrade + platform_copy_config_uDPU + + # Remove tmp mounts + tmp_parts=$(grep "${emmc_dev}" /proc/mounts | awk '{print $2}') + for part in ${tmp_parts}; do + umount $part + # Force umount is necessary + [ "$(grep "${part}" /proc/mounts)" ] && umount -l $part + done + + # Sysupgrade complains about /tmp and /dev, so we can detach them here + umount -l /tmp + umount -l /dev +} + +platform_copy_config_uDPU() { + # Config is saved on the /misc partition and copied on the rootfs after the reboot + if [ -f "$UPGRADE_BACKUP" ]; then + cp -f "$UPGRADE_BACKUP" "/misc/$BACKUP_FILE" + sync + fi +} |