--- /dev/null
+#
+# Copyright (C) 2014-2019 OpenWrt.org
+# Copyright (C) 2016 LEDE-Project.org
+#
+
+preinit_mount_udpu() {
+
+ . /lib/functions.sh
+
+ case $(board_name) in
+ methode,udpu)
+ # Check which device is detected
+ [ -b "/dev/mmcblk0" ] && mmcdev="/dev/mmcblk0" || mmcdev="/dev/mmcblk1"
+
+ if [ -b "${mmcdev}p4" ]; then
+ mkdir /misc
+ mount -t f2fs ${mmcdev}p4 /misc
+ [ -f "/misc/sysupgrade.tgz" ] && {
+ echo "- Restoring configuration files -"
+ tar xzf /misc/sysupgrade.tgz -C /
+ rm -f /misc/sysupgrade.tgz
+ sync
+ }
+ [ -f "/misc/firmware/recovery.itb" ] && {
+ echo "- Updating /recovery partition -"
+ mkfs.ext4 -q ${mmcdev}p2 | echo y &> /dev/null
+ mkdir -p /tmp/recovery
+ mount ${mmcdev}p2 /tmp/recovery
+ cp /misc/firmware/recovery.itb /tmp/recovery
+ [ -f "/misc/firmware/boot.scr" ] && \
+ cp /misc/firmware/boot.scr /tmp/recovery
+ sync
+ umount /tmp/recovery
+ rm -rf /tmp/recovery
+
+ # Replace previous backup with the new one
+ [ -d "/misc/firmware_old" ] && rm -rf /misc/firmware_old
+ [ -d "/misc/firmware" ] && mv /misc/firmware /misc/firmware_old
+ }
+ fi
+
+ # Legacy support - if rootfs was booted, instruct u-boot to keep the current root dev
+ [ "$(df | grep /dev/root)" ] && fw_setenv root_ok '2'
+ ;;
+ esac
+}
+
+boot_hook_add preinit_main preinit_mount_udpu
--- /dev/null
+# 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
+
+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
+}
+
+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"
+ part_prep ${emmc_dev}p4
+ mkfs.f2fs -q -l misc ${emmc_dev}p4
+ [ $? -eq 0 ] && printf "/misc partition formated successfully\n" || printf "/misc partition formatting failed\n"
+
+ do_initial_setup
+ else
+ printf "Partition table looks ok\n"
+ fi
+}
+
+do_misc_prep() {
+ if [ ! "$(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
+ 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
+}
+
+do_initial_setup() {
+ # Prepare /recovery parition
+ part_prep ${emmc_dev}p2
+ mkfs.ext4 -q ${emmc_dev}p2 | echo y &> /dev/null
+
+ # Prepare /boot partition
+ 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"
+ part_prep ${emmc_dev}p3
+ mkfs.f2fs -q -l rootfs ${emmc_dev}p3
+ [ $? -eq 0 ] && printf "/root partition reformated\n"
+}
+
+do_regular_upgrade() {
+ # Clean /boot partition - mfks.ext4 is not available in chroot
+ [ "$(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() {
+ # Prepare and extract firmware on /misc partition
+ do_misc_prep
+
+ [ -f "/misc/firmware" ] && rm -r /misc/firmware
+ mkdir -p /misc/firmware
+ tar xzf "$1" -C /misc/firmware/
+
+ 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 "/tmp/sysupgrade.tgz" ]; then
+ cp -f /tmp/sysupgrade.tgz /misc
+ sync
+ fi
+}
--- /dev/null
+# Bootscript for Methode uDPU device
+# Device and variables may vary between different revisions
+# of device, so we need to make sure everything is set correctly.
+
+# Set the LED's correctly
+gpio clear 12; gpio clear 40; gpio clear 45;
+
+# Find eMMC device,
+if mmc dev 0; then
+ setenv mmcdev 0
+ setenv rootdev 'root=/dev/mmcblk0p3'
+elif mmc dev 1; then
+ setenv mmcdev 1
+ setenv rootdev 'root=/dev/mmcblk1p3'
+fi
+
+# Set the variables if necessary
+if test ${kernel_addr_r}; then
+ setenv kernel_addr_r 0x5000000
+fi
+
+if test ${fdt_add_r}; then
+ setenv fdt_addr_r 0x4f00000
+fi
+
+setenv console 'console=ttyMV0,115200 earlycon=ar3700_uart,0xd0012000'
+setenv bootargs ${console} $rootdev rw rootwait
+
+load mmc ${mmcdev}:1 ${fdt_addr_r} @DTB@.dtb
+load mmc ${mmcdev}:1 ${kernel_addr_r} Image
+
+booti ${kernel_addr_r} - ${fdt_addr_r}
+
+# If the boot command fails, fallback to recovery image
+echo '-- Boot failed, falling back to the recovery image --'
+setenv bootargs $console
+load mmc ${mmcdev}:2 ${kernel_addr_r} recovery.itb
+bootm ${kernel_addr_r}
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