#  Copyright (C) Marvell Inc

# over ride default behaviour

echo "Preparing for installation ... "

# global defines
VAR_LOG=512
UBOOT_FW_DEFAULT=1

kernel_addr=0x1100000
kernel_version=5.10.0-23-2-arm64
kernel_fname="/boot/vmlinuz-$kernel_version"
initrd_fname="/boot/initrd.img-$kernel_version"
fit_fname="/boot/sonic_arm64.fit"
demo_volume_label=SONiC-OS

# global mount defines
demo_mnt=/tmp

if [ "$install_env" = "onie" ]; then
    MACH_FILE="/etc/machine.conf"
else
    MACH_FILE="/host/machine.conf"
fi

PLATFORM=`sed -n 's/^onie_platform=\(.*\)/\1/p' $MACH_FILE`
echo "Intalling SONiC from $install_env on Platform $PLATFORM"

PLATFORM_AC5X=0
PLATFORM_CN9131=0

case $PLATFORM in
    arm64-nokia_ixs7215_52xb-r0) PLATFORM_AC5X=1;
		fdt_fname="/usr/lib/linux-image-${kernel_version}/marvell/7215-ixs-a1.dtb";
		fit_conf_name="#conf_7215_a1";;
    arm64-marvell_rd98DX35xx-r0) PLATFORM_AC5X=1;
		fdt_fname="/usr/lib/linux-image-$kernel_version/marvell/ac5-98dx35xx-rd.dtb";
		fit_conf_name="#conf_ac5x";;
    arm64-marvell_rd98DX35xx_cn9131-r0) PLATFORM_CN9131=1;
		fdt_fname="/boot/cn9131-db-comexpress.dtb";
		fit_conf_name="#conf_cn9131";;
esac

if [ $PLATFORM_AC5X -eq 1 ]; then
    fdt_addr=0x201000000
    fit_addr=0x210000000
    initrd_addr=0x206000000

    FW_ENV_DEFAULT='/dev/mtd0 0x400000 0x10000 0x10000'
    demo_part=2
    mmc_bus="mmc0:0001"
elif [ $PLATFORM_CN9131 -eq 1 ]; then
    fdt_addr=0x1000000
    fit_addr=0x8000000
    initrd_addr=0x2000000
    demo_part=2
    FW_ENV_DEFAULT='/dev/mtd1 0x1F0000 0x10000 0x10000'
    mmc_bus="mmc0:0001"
else
    fdt_addr=0x1000000
    fit_addr=0x8000000
    initrd_addr=0x2000000

    fdt_fname="/usr/lib/linux-image-$kernel_version/marvell/armada-7020-comexpress.dtb"

    FW_ENV_DEFAULT='/dev/mtd1 0x0 0x10000 0x100000'
    demo_part=1
    mmc_bus="mmc0:aaaa"
fi

# Skip VID Header in UBIFS
LINUX_MISC_CMD='apparmor=1 security=apparmor usbcore.autosuspend=-1'

#Get block device
#Default block device is eMMC, if not look for usb storage
get_install_device()
{
    for i in 0 1 2 ; do
        if $(ls -l /sys/block/mmcblk$i/device 2>/dev/null | grep -q "$mmc_bus") ; then
            echo "/dev/mmcblk$i"
            blk_dev=/dev/mmcblk$i
            echo "Selected mmc $blk_dev"
            return 0
        fi
    done

    echo "ERROR storage not found"
    return 1
}

get_install_device
if [ $? -ne 0 ]; then
    echo "Error: Unable to detect $blk_dev $demo_dev"
    exit 1
fi

demo_dev=${blk_dev}p${demo_part}

remove_dev_partitions() {
    echo "Remove all existing partitions starting partnum: ${demo_part} from ${blk_dev}"
    local dev_to_install=${blk_dev}p
    for p in $(seq ${demo_part} 9) ; do
        if [[ -e ${dev_to_install}${p} ]]; then
            echo "Removing partition ${dev_to_install}${p}"
            sgdisk -d ${p} ${blk_dev} || true
        fi
    done
    partprobe ${blk_dev}
}

create_demo_partition() {
    # SD CARD
    remove_dev_partitions

    # Create sonic partition
    sgdisk --new ${demo_part}:: \
        --change-name=${demo_part}:${demo_volume_label} \
        --typecode=${demo_part}:8300 -p ${blk_dev}

    partprobe
}

create_partition() {
    get_install_device
    if [ $? -ne 0 ]; then
        echo "Error: Unable to detect $blk_dev $demo_dev"
        exit 1
    fi

    # Platform specific partition 
    create_demo_partition
}

mount_partition() {
    # Make filesystem
    echo "demo label: $demo_volume_label. $demo_dev..."
    mkfs.ext4 -L $demo_volume_label $demo_dev

    mount -t ext4 -o defaults,rw $demo_dev $demo_mnt || {
        echo "Error: Unable to mount $demo_dev on $demo_mnt"
        exit 1
    }
}

prepare_boot_menu() {
    echo "Sync up cache ..."
    sync
    echo "Setting up U-Boot environment..."

    DTB_HAS_ENV_BLK=$(grep uboot-env /proc/mtd | sed -e 's/:.*$//')
    if [ -c "/dev/$DTB_HAS_ENV_BLK" ]; then
        PROC_ENV_FILE=$(find /proc/device-tree/ -name env_size)
        if [ -n "$PROC_ENV_FILE" ]
        then
            UBOOT_ENV_SIZ="0x$(hd $PROC_ENV_FILE | awk 'FNR==1 {print $2 $3 $4 $5}')"
            UBOOT_ENV_ERASE_SIZ="0x$(grep uboot-env /proc/mtd | awk '{print $3}')"
            if [[ -n "$UBOOT_ENV_SIZ" && -n "$UBOOT_ENV_ERASE_SIZ" ]]
            then
                # Env info from DTB 
                FW_ENV_DTB="/dev/$DTB_HAS_ENV_BLK 0x00000000 $UBOOT_ENV_SIZ $UBOOT_ENV_ERASE_SIZ"
            fi
        fi
    fi
    if [ $UBOOT_FW_DEFAULT -eq 1 ]
    then
        echo $FW_ENV_DEFAULT > /etc/fw_env.config
        echo "Using pre-configured uboot env"
    fi
    image_name=${image_dir}${kernel_fname}
    initrd_name=${image_dir}${initrd_fname}
    fdt_name=${image_dir}${fdt_fname}
    fit_name=${image_dir}${fit_fname}

    if [ "$install_env" = "onie" ]; then
        FW_ARG="-f"
        image_dir_old=""
        image_name_old=""
        initrd_name_old=""
        fdt_name_old=""
        fit_name_old=""
        sonic_version_2="None"
    else
        image_dir_old=$(fw_printenv -n image_dir || true)
        image_name_old=$(fw_printenv -n image_name || true)
        initrd_name_old=$(fw_printenv -n initrd_name || true)
        fdt_name_old=$(fw_printenv -n fdt_name || true)
        fit_name_old=$(fw_printenv -n fit_name || true)
        sonic_version_2=$(fw_printenv -n sonic_version_1 || true)
    fi

    # Set boot variables
    fw_setenv ${FW_ARG} image_dir $image_dir > /dev/null
    fw_setenv ${FW_ARG} image_name $image_name > /dev/null
    fw_setenv ${FW_ARG} initrd_name $initrd_name > /dev/null
    fw_setenv ${FW_ARG} fdt_name $fdt_name > /dev/null
    fw_setenv ${FW_ARG} fit_name $fit_name > /dev/null
    fw_setenv ${FW_ARG} sonic_version_1 $demo_volume_revision_label > /dev/null
    fw_setenv ${FW_ARG} image_dir_old $image_dir_old > /dev/null
    fw_setenv ${FW_ARG} image_name_old $image_name_old > /dev/null
    fw_setenv ${FW_ARG} initrd_name_old $initrd_name_old > /dev/null
    fw_setenv ${FW_ARG} fdt_name_old $fdt_name_old > /dev/null
    fw_setenv ${FW_ARG} fit_name_old $fit_name_old > /dev/null
    fw_setenv ${FW_ARG} sonic_version_2 $sonic_version_2 > /dev/null
    BOOT1='echo " > Boot1: $sonic_version_1 - run sonic_image_1";echo;'
    BOOT2='echo " > Boot2: $sonic_version_2 - run sonic_image_2";echo;'
    BOOT3='echo " > Boot3: ONIE - run onie_boot";echo;'
    BORDER='echo "---------------------------------------------------";echo;'
    fw_setenv ${FW_ARG} print_menu $BORDER $BOOT1 $BOOT2 $BOOT3 $BORDER > /dev/null

    fw_setenv ${FW_ARG} linuxargs "net.ifnames=0 loopfstype=squashfs loop=$image_dir/$FILESYSTEM_SQUASHFS systemd.unified_cgroup_hierarchy=0 varlog_size=$VAR_LOG ${ONIE_PLATFORM_EXTRA_CMDLINE_LINUX}" > /dev/null
    fw_setenv ${FW_ARG} linuxargs_old "net.ifnames=0 loopfstype=squashfs loop=$image_dir_old/$FILESYSTEM_SQUASHFS systemd.unified_cgroup_hierarchy=0 varlog_size=$VAR_LOG ${ONIE_PLATFORM_EXTRA_CMDLINE_LINUX}" > /dev/null
    sonic_bootargs_old='setenv bootargs root='$demo_dev' rw rootwait rootfstype=ext4 panic=1 console=ttyS0,${baudrate} ${othbootargs} ${mtdparts} ${linuxargs_old}'
    fw_setenv ${FW_ARG} sonic_bootargs_old $sonic_bootargs_old > /dev/null || true
    sonic_boot_load_old=$(fw_printenv -n sonic_boot_load || true)
    old_str="_old"
    fw_setenv ${FW_ARG} sonic_boot_load_old "$sonic_boot_load_old$old_str" > /dev/null || true

    fw_setenv ${FW_ARG} kernel_addr $kernel_addr > /dev/null
    fw_setenv ${FW_ARG} fdt_addr $fdt_addr > /dev/null
    fw_setenv ${FW_ARG} fit_addr $fit_addr > /dev/null
    fw_setenv ${FW_ARG} fit_conf_name $fit_conf_name > /dev/null
    fw_setenv ${FW_ARG} initrd_addr $initrd_addr > /dev/null
    MMC_LOAD='ext4load mmc 0:'$demo_part' $fit_addr $fit_name'
    fw_setenv ${FW_ARG} sonic_boot_load "$MMC_LOAD" > /dev/null
    SONIC_BOOT_CMD='run sonic_bootargs; run sonic_boot_load; bootm $fit_addr${fit_conf_name}'
    SONIC_BOOT_CMD_OLD='run sonic_bootargs_old; run sonic_boot_load_old; bootm $fit_addr${fit_conf_name}'
    BOOTARGS='setenv bootargs root='$demo_dev' rw rootwait rootfstype=ext4 panic=1 console=ttyS0,${baudrate} ${othbootargs} ${mtdparts} ${linuxargs}'
    fw_setenv ${FW_ARG} sonic_bootargs $BOOTARGS > /dev/null
    fw_setenv ${FW_ARG} sonic_bootcmd $SONIC_BOOT_CMD > /dev/null
    fw_setenv ${FW_ARG} sonic_image_2 $SONIC_BOOT_CMD_OLD > /dev/null
    fw_setenv ${FW_ARG} sonic_image_1 "$SONIC_BOOT_CMD" > /dev/null
    fw_setenv ${FW_ARG} boot_next  'run sonic_image_1'> /dev/null
    fw_setenv ${FW_ARG} bootcmd 'run print_menu; usb start; test -n "$boot_once" && run boot_once; run boot_next' > /dev/null

}

bootloader_menu_config() {
    # Update uboot Environment
    prepare_boot_menu
}