diff --git a/build.conf b/build.conf
new file mode 100644
index 00000000000..713af0f1f30
--- /dev/null
+++ b/build.conf
@@ -0,0 +1,13 @@
+uploaduser=$USER
+uploadserver=r2
+uploaddir=/var/lib/tftp
+
+board=bpi-r2
+#board=bpi-r64
+#board=bpi-r2pro
+#board=bpi-r3
+#board=bpi-r4
+
+#device=emmc
+#device=spi-nand
+#device=spi-nor
diff --git a/build.sh b/build.sh
new file mode 100755
index 00000000000..35f7d4c010d
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,334 @@
+#!/bin/bash
+export ARCH=arm;
+export CROSS_COMPILE=arm-linux-gnueabihf-
+
+uver=$(make ubootversion)
+commit=$(git log -n 1 --pretty='%h')
+ubranch=$(git branch --contains $commit | grep -v '(HEAD' | head -1 | sed 's/^..//'| sed 's/^[0-9.-]*//')
+
+if [[ "${ubranch}" =~ ^\(.* ]]; then
+  ubranch="$commit";
+fi
+#uboot 2020-01 needs python.h...just note for a checkdep-function
+#sudo apt-get install python3-dev
+#r2pro needs python elftools
+#sudo apt-get install python3-pyelftools
+
+echo "ver:$uver,ubranch:$ubranch"
+
+device=sd
+#device=emmc
+#bpi-r3-only:
+#device=spi-nand
+#device=spi-nor
+
+if [[ -e "build.conf" ]];
+then
+	. build.conf
+fi
+
+ENV_START=0
+
+FILE_UENV=/media/$USER/BPI-BOOT/uEnv.txt
+
+function edit()
+{
+        file=$1
+        if [[ -z "$EDITOR" ]];then EDITOR=/usr/bin/editor;fi #use alternatives setting
+        if [[ -e "$file" ]];then
+                if [[ -w "$file" ]];then
+                        $EDITOR "$file"
+                else
+                        echo "file $file not writable by user using sudo..."
+                        sudo $EDITOR "$file"
+                fi
+        else
+                echo "file $file not found"
+        fi
+}
+
+case $board in
+	"bpi-r2")
+		FILE_DTS=arch/arm/dts/mt7623n-bananapi-bpi-r2.dts
+		FILE_DTSI=arch/arm/dts/mt7623.dtsi
+		FILE_DEFCFG=mt7623n_bpir2_defconfig
+		FILE_BOARD=board/mediatek/mt7623/mt7623_rfb.c
+		FILE_SOC=include/configs/mt7623.h
+		FILE_UENV=/media/$USER/BPI-BOOT/bananapi/$board/linux/uEnv.txt
+
+		#start-values in kB
+		UBOOT_START=320
+		UBOOT_FILE=u-boot.bin
+		ENV_START=1024 #ENV_OFFSET = 0x100000
+	;;
+	"bpi-r64")
+		FILE_DTS=arch/arm/dts/mt7622-bananapi-bpi-r64.dts
+		FILE_DEFCFG=mt7622_bpi-r64_defconfig
+		FILE_DTSI=arch/arm/dts/mt7622.dtsi
+		FILE_BOARD=board/mediatek/mt7622/mt7622_rfb.c
+		FILE_SOC=include/configs/mt7622.h
+		FILE_UENV=/media/$USER/BPI-BOOT/bananapi/$board/linux/uEnv.txt
+
+		#~40kb bl31+~640kb uboot =~ 682kb fip @0x160000 <0x300000
+		UBOOT_START=1064 #1024k + 40k
+		ENV_START=3072 #ENV_OFFSET (bytes) = 0x300000 (0x1800 /2 kbytes)
+		export ARCH=arm64
+		export CROSS_COMPILE=aarch64-linux-gnu-
+		UBOOT_FILE=u-boot.bin
+	;;
+	"bpi-r2pro")
+		FILE_DTS=arch/arm/dts/rk3568-bpi-r2-pro.dts
+		FILE_DTSI=arch/arm/dts/rk3568.dtsi
+		FILE_DEFCFG=bpi-r2-pro-rk3568_defconfig
+		FILE_BOARD=board/rockchip/evb_rk3568/evb_rk3568.c
+		FILE_SOC=include/configs/rk3568_bpi-r2-pro.h
+
+		export BL31=files/bpi-r2pro/rk3568_bl31_v1.34.elf
+		export ROCKCHIP_TPL=files/bpi-r2pro/rk3568_ddr_1560MHz_v1.13.bin
+
+		#start-values in kB
+		UBOOT_START=32
+		#ENV_START=1024 #ENV_OFFSET = 0x100000
+		export ARCH=arm64
+		export CROSS_COMPILE=aarch64-linux-gnu-
+		UBOOT_FILE=u-boot-rockchip.bin
+	;;
+	"bpi-r3")
+		export ARCH=arm64
+		export CROSS_COMPILE=aarch64-linux-gnu-
+
+		if [[ "$device" =~ (emmc|spi-nand|spi-nor) ]];then
+			dev=emmc
+		else
+			dev=$device
+		fi
+		FILE_DEFCFG=mt7986a_bpir3_${dev}_defconfig
+
+		DTS=mt7986a-bpi-r3-${dev}
+		FILE_DTS=arch/arm/dts/${DTS}.dts
+		FILE_DTSI=arch/arm/dts/mt7986.dtsi
+
+		FILE_BOARD=board/mediatek/mt7986/mt7986_rfb.c
+		FILE_SOC=include/configs/mt7986.h
+		UBOOT_FILE=u-boot.bin
+	;;
+	"bpi-r4")
+		export ARCH=arm64
+		export CROSS_COMPILE=aarch64-linux-gnu-
+
+		if [[ "$device" =~ (emmc|spi-nand|spi-nor) ]];then
+			dev=emmc
+		else
+			dev=$device
+		fi
+		FILE_DEFCFG=mt7988a_bpir4_${dev}_defconfig
+
+		#DTS=mt7988a-${dev}-rfb
+		DTS=mt7988-sd-rfb
+		FILE_DTS=arch/arm/dts/${DTS}.dts
+		FILE_DTSI=arch/arm/dts/mt7988.dtsi
+
+		FILE_BOARD=board/mediatek/mt7988/mt7988_rfb.c
+		FILE_SOC=include/configs/mt7988.h
+		UBOOT_FILE=u-boot.bin
+	;;
+	*)
+		echo "unsupported"
+		exit 1;
+	;;
+esac
+
+if [[ $ENV_START -ne 0 ]];then
+	MAXSIZE=$(( ($ENV_START - $UBOOT_START) *1024 -1 ))
+else
+	MAXSIZE=0
+fi
+
+function generate_filename
+{
+	#grep '^CONFIG_MT7531=y' .config >/dev/null;if [[ $? -eq 0 ]];then ETH="MT7531";fi
+	filename=u-boot-${board//bpi-/}_${uver}-${ubranch}-${ARCH}-${device}.bin
+	echo $filename
+}
+
+function upload {
+	#imagename="u-boot_${uver}-${ubranch}.bin"
+	imagename=$(generate_filename)
+	read -e -i $imagename -p "u-boot-filename: " input
+	imagename="${input:-$imagename}"
+
+	echo "Name: $imagename"
+	echo "uploading ${UBOOT_FILE} to ${uploadserver}:${uploaddir}..."
+
+	scp ${UBOOT_FILE} ${uploaduser}@${uploadserver}:${uploaddir}/${imagename}
+}
+
+case $1 in
+	"build")
+		LANG=C
+		CFLAGS=-j$(grep ^processor /proc/cpuinfo  | wc -l)
+		echo "LV: -$ubranch, crosscompile: $CROSS_COMPILE, CFLAGS: $CFLAGS"
+		make LOCALVERSION="-$ubranch" ${CFLAGS} 2> >(tee "build.log")
+		if [[ $? -eq 0 ]];then
+			FILESIZE=$(stat -c%s "u-boot.bin");
+			if [[ $MAXSIZE -gt 0 && $FILESIZE -gt $MAXSIZE ]]; then
+				echo "=============== WARNING ==============="
+				echo "u-boot will overwrite env-storage area!"
+				echo "if you use this u-boot.bin don't use saveenv!"
+			fi;
+			if [[ -e uEnv_r3.txt.bak ]];then
+				mv uEnv_r3.txt{.bak,}
+			fi
+		else
+			echo "build failed!"
+			exit 1;
+		fi
+	;;
+	"config")
+		make menuconfig;
+	;;
+	"importconfig")
+		if [[ -n "$FILE_DEFCFG" ]];then
+			echo "importing $FILE_DEFCFG"
+			if [[ "$board" == "bpi-r3" ]];then
+				rm configs/${FILE_DEFCFG}.bak 2>/dev/null
+				if [[ "$device" =~ "spi" ]];then
+					sed -i.bak '/^CONFIG_ENV_IS_IN_MMC/d' configs/$FILE_DEFCFG
+				fi
+				sed -i.bak 's/\(bootdevice=\).*/\1'${device}'/' uEnv_r3.txt
+			fi
+			make $FILE_DEFCFG
+			if [[ -e configs/${FILE_DEFCFG}.bak ]];then
+				mv configs/${FILE_DEFCFG}{.bak,}
+			fi
+		fi
+	;;
+	"defconfig")
+		if [[ -n "$FILE_DEFCFG" ]];then
+			edit configs/$FILE_DEFCFG;
+		fi
+	;;
+	"install")
+		if [[ $ARCH == "arm" ]] || [[ "$board" == "bpi-r2pro" ]];then
+			dev=/dev/sdb
+			choice=y
+			read -e -i "$dev" -p "Please enter target device: " dev
+			if [[ "$board" == "bpi-r2pro" ]];then
+				bootpart=$(lsblk ${dev}2 -o label -n)
+			else
+				bootpart=$(lsblk ${dev}1 -o label -n)
+			fi
+			if ! [[ "$bootpart" == "BPI-BOOT" ]]; then
+				read -e -p "this device seems not to be a BPI-R2 SD-Card, do you really want to use this device? [yn]" choice
+			fi
+			if [[ "$choice" == "y" ]];then
+				echo "writing to $dev ($UBOOT_FILE to ${UBOOT_START}k)"
+				sudo dd of=$dev if=$UBOOT_FILE bs=1k seek=$UBOOT_START;
+				sync
+			fi
+		else
+			echo "bpi-r64/bpi-r3 with new ATF needs uboot packed into fip!"
+		fi
+	;;
+	"backup")
+		DEV=/dev/sdb
+		read -e -i "$DEV" -p "Please enter target device: " DEV
+		case $board in
+			"bpi-r2"|"bpi-r2pro")
+				sudo dd if=${DEV} of=${board}_boot.img bs=1M count=2
+			;;
+			*)
+				echo "unsupported board ${board} (bpi-r64/r3/r4 in mtk-atf branch)";
+			;;
+		esac
+	;;
+	"mount")
+		mount | grep "BPI-BOOT" > /dev/null
+		if [[ $? -ne 0 ]];then
+			udisksctl mount -b /dev/disk/by-label/BPI-BOOT
+		fi
+		mount | grep "BPI-ROOT" > /dev/null
+		if [[ $? -ne 0 ]];then
+			udisksctl mount -b /dev/disk/by-label/BPI-ROOT
+		fi
+	;;
+	"umount")
+		umount /media/$USER/BPI-BOOT
+		umount /media/$USER/BPI-ROOT
+	;;
+	"uenv")
+		if [[ -n "$FILE_UENV" ]]; then
+			edit $FILE_UENV
+		fi
+	;;
+	"board")
+		edit $FILE_BOARD
+	;;
+	"dts")
+		edit $FILE_DTS
+	;;
+	"dtsi")
+		edit $FILE_DTSI
+	;;
+	"soc")
+		edit $FILE_SOC
+	;;
+	"upload")
+		upload
+	;;
+	"rename")
+		filename=$(generate_filename)
+		echo "rename $UBOOT_FILE to $filename"
+		cp $UBOOT_FILE $filename
+	;;
+
+	"createimg")
+		IMGDIR=.
+		if [[ "$device" != "emmc" ]];then device="sdmmc";
+		else echo "emmc not supported";exit 1;fi
+		IMGNAME=${board}_${device}
+		REALSIZE=7000
+		dd if=/dev/zero of=$IMGDIR/$IMGNAME.img bs=1M count=$REALSIZE 1> /dev/null #2>&1
+		LDEV=`losetup -f`
+		DEV=`echo $LDEV | cut -d "/" -f 3`     #mount image to loop device
+		echo "run losetup to assign image $IMGNAME.img to loopdev $LDEV ($DEV)"
+		sudo losetup $LDEV $IMGDIR/$IMGNAME.img 1> /dev/null #2>&1
+		case $board in
+			"bpi-r2")
+				sudo parted -s $LDEV mklabel msdos
+				sudo parted -s $LDEV unit MiB mkpart primary fat32 -- 100MiB 356MiB
+				sudo parted -s $LDEV unit MiB mkpart primary ext4 -- 356MiB 6600MiB
+				sudo partprobe $LDEV
+				sudo mkfs.vfat ${LDEV}p1 -I -n BPI-BOOT
+				sudo mkfs.ext4 -O ^has_journal -E stride=2,stripe-width=1024 -b 4096 ${LDEV}p2 -L BPI-ROOT
+
+				gunzip -c files/bpi-r2/BPI-R2-HEAD440-0k.img.gz | sudo dd of=$LDEV bs=1024 seek=0
+				gunzip -c files/bpi-r2/BPI-R2-HEAD1-512b.img.gz | sudo dd of=$LDEV bs=512 seek=1
+				gunzip -c files/bpi-r2/BPI-R2-preloader-DDR1600-20191024-2k.img.gz | sudo dd of=$LDEV bs=1024 seek=2
+				sudo dd if=u-boot.bin of=$LDEV bs=1024 seek=320
+				sync
+			;;
+			"bpi-r2pro")
+				#https://gitlab.manjaro.org/manjaro-arm/applications/manjaro-arm-tools/-/blob/master/lib/functions.sh
+				sudo parted -s $LDEV mklabel gpt 1> /dev/null 2>&1
+				sudo parted -s $LDEV mkpart uboot fat32 8M 16M 1> /dev/null 2>&1
+				sudo parted -s $LDEV mkpart boot fat32 32M 256M 1> /dev/null 2>&1
+				START=`cat /sys/block/$DEV/${DEV}p2/start`
+				SIZE=`cat /sys/block/$DEV/${DEV}p2/size`
+				END_SECTOR=$(expr $START + $SIZE)
+				sudo parted -s $LDEV mkpart root ext4 "${END_SECTOR}s" 100% 1> /dev/null 2>&1
+				sudo parted -s $LDEV set 2 esp on
+				sudo partprobe $LDEV 1> /dev/null 2>&1
+				sudo mkfs.vfat "${LDEV}p2" -n BPI-BOOT 1> /dev/null 2>&1
+				sudo mkfs.ext4 -O ^metadata_csum,^64bit "${LDEV}p3" -L BPI-ROOT 1> /dev/null 2>&1
+				sudo dd if=u-boot-rockchip.bin of=${LDEV} seek=64 conv=notrunc,fsync 1> /dev/null 2>&1
+			;;
+		esac
+		sudo losetup -d $LDEV
+		echo "packing image..."
+		gzip $IMGDIR/$IMGNAME.img
+	;;
+	*)
+		$0 build;
+	;;
+esac