sonic-buildimage/platform/centec-arm64/platform.conf

# Copyright (C) Centec Inc

# over ride default behaviour

echo "Preparing for installation ... "

demo_mnt=/mnt

hw_load() {
    echo "ext4load mmc 0:2 \$loadaddr onie_uimage"
}

create_partition() {
    echo y | mkfs.ext4 -L CTC-SYSTEM /dev/mmcblk0p1
}

mount_partition() {
    echo "mount flash"
    mount -t ext4 /dev/mmcblk0p1 $demo_mnt
}

bootloader_menu_config() {
    mkdir -p $demo_mnt/boot
    mount -t ext4 /dev/mmcblk0p2 $demo_mnt/boot
    
    rm $demo_mnt/boot/centec-e530.itb -rf
    cp $demo_mnt/$image_dir/boot/sonic_arm64.fit $demo_mnt/boot/centec-e530.itb
    cd $demo_mnt/boot
    rm onie_uimage -rf
    ln -s centec-e530.itb onie_uimage
    cd -
    sync
    umount -l $demo_mnt/boot

    hw_load_str="$(hw_load)"

    (cat <<EOF
hw_load $hw_load_str
copy_img echo "Loading Demo $platform image..." && run hw_load
nos_bootcmd run copy_img && setenv bootargs quiet console=\$consoledev,\$baudrate root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 loopfstype=squashfs loop=$image_dir/fs.squashfs systemd.unified_cgroup_hierarchy=0 && bootm \$loadaddr
EOF
    ) > /tmp/env.txt

    fw_setenv -f -s /tmp/env.txt
    fw_setenv -f image_dir $image_dir
}