make_dtb.sh

#!/bin/sh

if [ $# -ne 2 ]; then
    echo "Usage: make_dtb.sh arch dtsfile"
    exit 1
fi

case $1 in
    arm)
        dtsfile=$2
        vendor=""
        arch=arm
    ;;
    arm64)
        dtsfile=$(echo $2 | cut -d '/' -f 2)
        vendor=$(echo $2 | cut -d '/' -f 1)
        vendor="${vendor}/"
        arch="arm64"
    ;;
esac

dtbfile=$(echo ${dtsfile} | sed 's/dts/dtb/')

cpp -P -x assembler-with-cpp -I include/ -I arch/arm/boot/dts/  -I arch/arm64/boot/dts/ -include arch/${arch}/boot/dts/${vendor}${dtsfile}  /dev/null | dtc -@ -O dtb -o ${dtbfile} -b 0 -p 1024 -i include/ -i arch/arm/boot/dts/ -i arch/arm64/boot/dts/