# Forked from Alpine, so we can build it with Librem 5 phone support
pkgname=u-boot-librem5
pkgver=0.9
pkgrel=1
# 'librem5' branch in atf repo
_atfversion="92c2de12d36b31938ce940d5cac3c30a98665237"
# 'librem5' branch in uboot repo
_ubootversion="e9f7caf70a5c4f468ba00392ad0ca0badecea20a"
_m4version="a017421c340a69f2392086da93841244f78a03c5"
_firmwareversion="8.10"
pkgdesc="u-boot bootloader for the Purism Librem5 phone"
url="http://www.denx.de/wiki/U-Boot/"
arch="aarch64"
license="GPL-2.0-or-later OFL-1.1 BSD-2-Clause BSD-3-Clause eCos-2.0 IBM-pibs"
makedepends="$depends_dev bc dtc python3-dev swig binutils coreutils zlib-dev newlib-arm-none-eabi bison flex"
options="!check !tracedeps pmb:cross-native"
source="
	uboot-imx-${_ubootversion}.tar.gz::https://source.puri.sm/Librem5/uboot-imx/-/archive/${_ubootversion}/uboot-imx-${_ubootversion}.tar.gz
	m4-${_m4version}.tar.gz::https://source.puri.sm/Librem5/Cortex_M4/-/archive/${_m4version}/Cortex_M4-${_m4version}.tar.gz
	arm-trusted-firmware-${_atfversion}.tar.gz::https://source.puri.sm/Librem5/arm-trusted-firmware/-/archive/${_atfversion}/arm-trusted-firmware-${_atfversion}.tar.gz
	https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-${_firmwareversion}.bin
	update-u-boot
	0001-board-purism-librem5-Enable-WiFi-SW-kill-switch.patch
	"
install="$pkgname.post-upgrade"
subpackages="$pkgname-devkit"

_ubootbuilddir="$srcdir"/uboot-imx-${_ubootversion}
_atfbuilddir="$srcdir"/arm-trusted-firmware-${_atfversion}
_m4builddir="$srcdir"/Cortex_M4-${_m4version}
_firmwarebuilddir="$srcdir"/firmware-imx-${_firmwareversion}
builddir="$_ubootbuilddir"

prepare() {
	default_prepare

	msg "Extracting DDR & HDMI firmware"
	cd "$srcdir"
	chmod +x firmware-imx-${_firmwareversion}.bin
	./firmware-imx-${_firmwareversion}.bin --auto-accept
	cp -v "$_firmwarebuilddir"/firmware/ddr/synopsys/lpddr4*.bin "$_ubootbuilddir"/
	cp -v "$_firmwarebuilddir"/firmware/hdmi/cadence/signed*.bin "$_ubootbuilddir"/
}

build() {
	msg "Building M4"
	cd "$_m4builddir"
	make

	msg "Building ARM trusted firmware"
	cd "$_atfbuilddir"
	LDFLAGS="" make PLAT=imx8mq bl31
	# Overwrite default bl31 binary with one made here
	cp -v "$_atfbuilddir"/build/imx8mq/release/bl31.bin "$_ubootbuilddir"/

	msg "Building u-boot"
	cd "$_ubootbuilddir"
	# Note: HOSTCC is set explicitly here else it tries to use cc, which
	# doesn't exist on Alpine
	#
	# Devkit uboot firmware
	make distclean
	make ARCH=arm HOSTCC=gcc librem5_devkit_defconfig
	make ARCH=arm HOSTCC=gcc flash.bin
	mv flash.bin devkit-flash.bin

	# Phone uboot firmware
	make distclean
	make ARCH=arm HOSTCC=gcc librem5_defconfig
	make ARCH=arm HOSTCC=gcc flash.bin
	mv flash.bin phone-flash.bin

	msg "Building u-boot flashing images"
	# devkit
	dd if=/dev/zero of=devkit-boot.img bs=1024 count=1055
	dd if="$_m4builddir"/m4.bin conv=notrunc of="$_ubootbuilddir"/devkit-boot.img bs=1024
	dd if="$_ubootbuilddir"/devkit-flash.bin conv=notrunc of="$_ubootbuilddir"/devkit-boot.img bs=1024 seek=31

	# phone
	dd if=/dev/zero of=phone-boot.img bs=1024 count=1055
	dd if="$_m4builddir"/m4.bin conv=notrunc of="$_ubootbuilddir"/phone-boot.img bs=1024
	dd if="$_ubootbuilddir"/phone-flash.bin conv=notrunc of="$_ubootbuilddir"/phone-boot.img bs=1024 seek=31
	msg "done!"
}

package() {
	install -D -m644 "$_ubootbuilddir"/phone-boot.img \
		"$pkgdir/usr/share/u-boot/librem5/phone-boot.img"
	install -D -m 755 "$srcdir"/update-u-boot \
		"$pkgdir"/usr/sbin/update-u-boot
}

devkit() {
	pkgdesc="u-boot bootloader for the Purism Librem5 devkit"
	install -D -m644 "$_ubootbuilddir"/devkit-boot.img \
		"$subpkgdir/usr/share/u-boot/librem5/devkit-boot.img"
	install -D -m 755 "$srcdir"/update-u-boot \
		"$subpkgdir"/usr/sbin/update-u-boot
}


sha512sums="
feab35fae6450f24da54998b44b1d834bc33c9597ff8f9a4275e9ec7a1d1f442e133e51635eaabb9b759499728a0f70256d7bd6bc8bbeeb2133992f9c606d607  uboot-imx-e9f7caf70a5c4f468ba00392ad0ca0badecea20a.tar.gz
035a4358ddf586c829da7fa2fb0d9d1df913c0c454f2d0e57ff0c6794552e49950fb6373f9aaf72e0e4c78ab411496aabbc60bf66cd76e35053f7a2d77911735  m4-a017421c340a69f2392086da93841244f78a03c5.tar.gz
cd8c9411ae0e57d2c8c700bf3e8c8d03e7dab955ace249a00911dd8c42b42929e0de3a5885eb9b1d945174abc8cfb177595d83c235e757c70640f451b62547ba  arm-trusted-firmware-92c2de12d36b31938ce940d5cac3c30a98665237.tar.gz
24d4466b3c2202ceb1c22be2b3db4482eee54d09e167083cc53e82cd9f22ef9ac0cba5a1a3341cacf8ee01adf014eb25f4aa437f35a43ac102dd2f22e935821b  firmware-imx-8.10.bin
63b6339d2a06b58f47d0f0b6f9a2c0fe25aa8edd523599b630ee3ea683f24ce31150a012e6ec5313b9c247529d0b8813d0c87cb6d0d2e91321c1cf7864cca475  update-u-boot
acec9f7fa5fb3f4e84c6f6f74794325d5d18ea4557ab98fd0915ba5e41748e338f94604815b2f6d595119359462b48d2ee285b2e4025282d3118051b601b23a1  0001-board-purism-librem5-Enable-WiFi-SW-kill-switch.patch
"