BOOTSOURCE='https://github.com/hardkernel/u-boot.git'
BOOTSCRIPT='boot-odroid-xu4-default.ini:boot.ini'
BOOTDIR='u-boot-odroidxu'
BOOTENV_FILE='odroidxu4-default.txt'
BOOTBRANCH='branch:odroidxu4-v2017.05'
BOOTPATCHDIR='u-boot-odroidxu4-next'
UBOOT_TARGET_MAP=';;sd_fuse/bl1.bin.hardkernel sd_fuse/bl2.bin.hardkernel.720k_uboot u-boot-dtb.bin sd_fuse/tzsw.bin.hardkernel'
UBOOT_USE_GCC='> 6.3'
KERNEL_USE_GCC='> 7.0'
KERNELDIR='linux-odroidxu4'

case $BRANCH in

	default | next)

		KERNELSOURCE='https://github.com/hardkernel/linux'
		KERNELBRANCH='branch:odroidxu4-4.14.y'

	;;

#	next)
#
#		KERNELSOURCE='https://github.com/hardkernel/linux'
#		KERNELBRANCH='branch:odroidxu4-4.14.y'
#		LINUXCONFIG='linux-odroidxu4-default'
#
#	;;

	dev)

		KERNELSOURCE=$MAINLINE_KERNEL_SOURCE
		KERNELBRANCH='branch:master'
		KERNELDIR=$MAINLINE_KERNEL_DIR

	;;

esac

CPUMIN=600000
CPUMAX=2000000
GOVERNOR=ondemand

SERIALCON=ttySAC2

setup_write_uboot_platform()
{
	# this will update u-boot on the device rootfs is located on
	# in case it's a mmc device, otherwise DEVICE will not be changed
	# and will default to /dev/mmcblk0
	local tmp=$(cat /proc/cmdline)
	tmp="${tmp##*root=}"
	tmp="${tmp%% *}"
	[[ -n $tmp ]] && local part=$(findfs $tmp 2>/dev/null)
	[[ -n $part ]] && local dev=$(lsblk -n -o PKNAME $part 2>/dev/null)
	[[ -n $dev && $dev == mmcblk* ]] && DEVICE="/dev/${dev}"
}

write_uboot_platform()
{
	# handle writing to eMMC on package upgrades
	# assuming $2 points to a correct device

	if [[ $2 == /dev/mmcblk* && -b ${2}boot0 ]]; then
		local device=${2}boot0
		echo 0 > /sys/block/$(basename $device)/force_ro
		local is_emmc=1
		signed_bl1_position=0
		bl2_position=30
		uboot_position=62
	else
		local device=${2}
		signed_bl1_position=1
		bl2_position=31
		uboot_position=63
	fi

	if [[ -f $1/u-boot.bin ]]; then
		# default branch
		if [[ $is_emmc == 1 ]]; then
			tzsw_position=718
			env_position=1230
		else
			tzsw_position=719
			env_position=1231
		fi

		dd if=$1/bl1.bin.hardkernel of=$device seek=$signed_bl1_position conv=fsync > /dev/null 2>&1
		dd if=$1/bl2.bin.hardkernel of=$device seek=$bl2_position conv=fsync > /dev/null 2>&1
		dd if=$1/u-boot.bin of=$device bs=512 seek=$uboot_position conv=fsync > /dev/null 2>&1
		dd if=$1/tzsw.bin.hardkernel of=$device seek=$tzsw_position conv=fsync > /dev/null 2>&1

		dd if=/dev/zero of=$device seek=$env_position count=32 bs=512 conv=fsync > /dev/null 2>&1

	else
		# next branch
		if [[ $is_emmc == 1 ]]; then
			tzsw_position=1502
		else
			tzsw_position=1503
		fi
		env_position=2015

		dd if=$1/bl1.bin.hardkernel of=$device seek=$signed_bl1_position conv=fsync > /dev/null 2>&1
		dd if=$1/bl2.bin.hardkernel.720k_uboot of=$device seek=$bl2_position conv=fsync > /dev/null 2>&1
		dd if=$1/u-boot-dtb.bin of=$device bs=512 seek=$uboot_position conv=fsync > /dev/null 2>&1
		dd if=$1/tzsw.bin.hardkernel of=$device seek=$tzsw_position conv=fsync > /dev/null 2>&1

		dd if=/dev/zero of=$device seek=$env_position bs=512 count=32 conv=fsync > /dev/null 2>&1
	fi
}

family_tweaks()
{
	echo "blacklist ina231_sensor" > $SDCARD/etc/modprobe.d/blacklist-odroid.conf
	echo "#Serial console allow root" >> $SDCARD/etc/securetty
	echo "ttySAC2" >> $SDCARD/etc/securetty
}

family_tweaks_bsp()
{
	mkdir -p $destination/etc/udev/rules.d
	cp $SRC/packages/bsp/odroid/90-builtin-net-rps.rules $destination/etc/udev/rules.d
	if [[ $BRANCH != default ]]; then
		mkdir -p $destination/usr/local/bin
		cp $SRC/packages/bsp/rockchip/hdmi.rules $destination/etc/udev/rules.d
		install -m 755 $SRC/packages/bsp/rockchip/hdmi-hotplug $destination/usr/local/bin
	fi
	# park HDD heads on shutdown
	mkdir -p $destination/lib/systemd/system-shutdown
	install -o root -g root -m 0755 $SRC/packages/bsp/odroid/odroid.shutdown $destination/lib/systemd/system-shutdown/odroid.shutdown
}