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'
HAS_UUID_SUPPORT=yes

case $BRANCH in
	default)
	BOOTBRANCH='branch:odroidxu3-v2012.07'
	BOOTPATCHDIR='u-boot-odroidxu4-default'
	UBOOT_TARGET_MAP=';;sd_fuse/hardkernel/bl1.bin.hardkernel sd_fuse/hardkernel/bl2.bin.hardkernel u-boot.bin sd_fuse/hardkernel/tzsw.bin.hardkernel'
	UBOOT_USE_GCC='< 4.9'

	KERNELSOURCE='https://github.com/hardkernel/linux'
	KERNELBRANCH='branch:odroidxu3-3.10.y'
	KERNELDIR='linux-odroidxu4'
	CAN_BUILD_STRETCH=no
	;;

	next)
	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'

	KERNELSOURCE='https://github.com/hardkernel/linux'
	KERNELBRANCH='branch:odroidxu4-4.9.y'
	KERNELDIR='linux-odroidxu-mainline'

	KERNEL_USE_GCC='> 6.3'
	;;
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()
{
	if [[ $BRANCH != default ]]; then
		mkdir -p $destination/etc/udev/rules.d
		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
}