configure

#!/bin/bash

set -e

TOPDIR=`pwd`

MACH=
ARCH=
BOARD=
board=
uboot_config=
kernel_config=
kernel_modules=
kernel_headers=

TOOLCHAIN=gcc-linaro-7.3.1-2018.05-x86_64_arm-linux-gnueabihf
SPL_CROSS_COMPILE=$TOPDIR/toolchains/$SPL_TOOLCHAIN/bin
CROSS_COMPILE=$TOPDIR/toolchains/$TOOLCHAIN/bin

list_boards() {
	for boarddir in $(find sunxi-pack/*/configs/ -mindepth 1 -maxdepth 1 -type d | grep "BPI") ;
	do
	    packboard=`basename ${boarddir}`
	    echo "    ${packboard}"
	done
}

# keep the output `sh` friendly
# i.e., no spaces around the '='
generate_board_mk() {
	
	cat <<-EOT
	MACH=$MACH
	ARCH=$ARCH
	BOARD=$BOARD
	COMPILE_TOOL=$CROSS_COMPILE
	SPL_COMPILE_TOOL=$SPL_CROSS_COMPILE
	UBOOT_CONFIG=$uboot_config
	KERNEL_CONFIG=$kernel_config
	EOT

}


generate_board_envsh() {
	
	cat <<-EOT
	export MACH=$MACH
	export ARCH=$ARCH
	export BOARD=$BOARD
	export board=$board
	export UBOOT_CONFIG=$uboot_config
	export KERNEL_CONFIG=$kernel_config
	export KERNEL_MODULES=${kernel_modules}
	export KERNEL_HEADERS=${kernel_headers}
	export TOPDIR=${TOPDIR}
	EOT

}

usage() {
	cat <<-EOT >&2
	supported boards:
	EOT
	list_boards
}

if [ $# -eq 0 ]; then
	usage
	exit 1
fi

BOARD=$1
case $BOARD in
	BPI-M2U*)
		MACH=sun8iw11p1
		ARCH=arm
		board="bpi-m2u"
		uboot_config=${MACH}_config
		kernel_config=${MACH}smp_${board}_defconfig
		kernel_modules="3.10.108-BPI-M2U-Kernel"
		kernel_headers="linux-headers-3.10.108-BPI-M2U-Kernel"
		;;    
	BPI-M2B*)
		MACH=sun8iw11p1
		ARCH=arm
		board="bpi-m2b"
		uboot_config=${MACH}_config
		kernel_config=${MACH}smp_${board}_defconfig
		kernel_modules="3.10.108-BPI-M2B-Kernel"
		kernel_headers="linux-headers-3.10.108-BPI-M2B-Kernel"
		;;    
esac

if [ ! -d ${TOPDIR}/sunxi-pack/${MACH}/configs//${BOARD} ]; then
	echo -e "\033[31m${BOARD} not support, exit   \033[0m"
	usage
	exit 1
fi

if [ -e env.sh ]; then
	rm env.sh
fi
generate_board_envsh "$1" > env.sh

if [ -e chosen_board.mk ]; then
        rm chosen_board.mk
fi
generate_board_mk "$1" > chosen_board.mk