# Mainline u-boot with Librem 5 support and config
# Maintainer: Clayton Craft <clayton@craftyguy.net>
# Co-Maintainer: Alistair Francis <alistair@alistair23.me>
# Co-Maintainer: Newbyte <newbyte@postmarketos.org>
pkgname=u-boot-librem5
pkgver=2022.10
pkgrel=1
# 'upstream/librem5' branch in uboot repo
_commit="c4960dade272da9d6a7f53f6956d4d6747d573e9"
# 'librem5' branch in atf repo
_atf_commit="1fd3ff86cd4a05cd3e5637bf5a6902ac58fcafb9"
_firmwareversion="8.12"
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="
	bc
	binutils
	bison
	coreutils
	dtc
	flex
	openssl-dev
	py3-setuptools
	python3-dev
	swig
	zlib-dev
	"
options="!check !tracedeps pmb:cross-native"
source="
	https://source.puri.sm/angus.ainslie/uboot-imx/-/archive/$_commit/uboot-imx-$_commit.tar.gz
	https://source.puri.sm/Librem5/arm-trusted-firmware/-/archive/$_atf_commit/arm-trusted-firmware-$_atf_commit.tar.gz
	https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-$_firmwareversion.bin
	update-u-boot
	0001-librem5-enable-console-on-UART4.patch
	"
install="$pkgname.post-upgrade"
install="$pkgname.post-upgrade $pkgname-devkit.post-upgrade"
subpackages="$pkgname-devkit"

_atf_builddir="$srcdir/arm-trusted-firmware-$_atf_commit"
_firmware_builddir="$srcdir/firmware-imx-$_firmwareversion"
builddir="$srcdir/uboot-imx-$_commit"

prepare() {
	default_prepare

	msg "Extracting DDR & HDMI firmware"
	cd "$srcdir"
	chmod +x firmware-imx-$_firmwareversion.bin
	./firmware-imx-$_firmwareversion.bin --auto-accept
	cp -v "$_firmware_builddir"/firmware/ddr/synopsys/lpddr4*.bin $builddir/
	cp -v "$_firmware_builddir"/firmware/hdmi/cadence/signed_*imx8m.bin $builddir/

	# Disable -Werror in arm-trusted-firmware so it builds with GCC 12. The
	# version we use here is missing E=0 introduced here:
	# https://github.com/ARM-software/arm-trusted-firmware/commit/6336b07ad25cb05ca75f5a465d816af7956e0a59
	sed -i "s/-Werror//g" "$_atf_builddir"/Makefile
}

build() {
	msg "Building ARM trusted firmware"
	cd "$_atf_builddir"
	LDFLAGS="-no-warn-rwx-segment" make PLAT=imx8mq bl31
	# Overwrite default bl31 binary with one made here
	export BL31="$_atf_builddir/build/imx8mq/release/bl31.bin"
	cp -v "$_atf_builddir"/build/imx8mq/release/bl31.bin "$builddir"/

	msg "Building u-boot"
	cd $builddir

	# Devkit uboot firmware
	# NOTE: disabled, not supported yet in the new mainline branch
	# make distclean
	# make librem5_devkit_defconfig
	# make ARCH=arm
	# mv "$builddir"/flash.bin "$builddir"/devkit-boot.img
	# sha512sum -b "$builddir"/devkit-boot.img > "$builddir"/devkit-boot.img.sha512

	# Phone uboot firmware
	make distclean
	make librem5_defconfig
	make ARCH=arm
	mv flash.bin phone-boot.img
	sha512sum -b phone-boot.img > phone-boot.img.sha512
}

package() {
	install -D -m644 "$builddir"/phone-boot.img \
		"$pkgdir/usr/share/u-boot/librem5/phone-boot.img"
	install -D -m644 "$builddir"/phone-boot.img.sha512 \
		"$pkgdir/usr/share/u-boot/librem5/phone-boot.img.sha512"
	install -D -m 755 "$srcdir"/update-u-boot \
		"$pkgdir"/usr/sbin/update-u-boot
}

devkit() {
	pkgdesc="u-boot bootloader for the Purism Librem5 devkit"

	# NOTE: package is empty since this u-boot doesn't support the devkit yet,
	# but should in the future.

	mkdir "$subpkgdir"

	# install -D -m644 "$builddir"/devkit-boot.img \
	# 	"$pkgdir/usr/share/u-boot/librem5/devkit-boot.img"
	# install -D -m644 "$builddir"/devkit-boot.img.sha512 \
	# 	"$pkgdir/usr/share/u-boot/librem5/devkit-boot.img.sha512"
	# install -D -m 755 "$srcdir"/update-u-boot \
	# 	"$pkgdir"/usr/sbin/update-u-boot
}

sha512sums="
d35e46b94ebf50a7ffcedf824f19bca5195cbf0bbcee1dd6cea115f090a3a963975e6eaaa33eac623bbbf9ade62ab983a434adaf9435c993eacba9f7b4bb48a8  uboot-imx-c4960dade272da9d6a7f53f6956d4d6747d573e9.tar.gz
088b1b159e54d97cf3e47cb2de8327719779e558d1fe2453a46eb12081de4f1641e84dea37bb01518a6760a49e83b6d96ad185cdb5d9ec2b64f5ac934c368adf  arm-trusted-firmware-1fd3ff86cd4a05cd3e5637bf5a6902ac58fcafb9.tar.gz
1f968558bf158401ee5afe1c67e67bdd8ca2cb5d07029e78c745e751c665b68fa74128fca8b7161501a6445bbb18e8d463b42d787a61132db5c8778703462668  firmware-imx-8.12.bin
e46a863001872943301f9712e45797553ce52d8b0c3e63dba7beb1a54b857e8f3a715863b84cd7ab784f039f82d29a2b19b581891d11a84c342b1570e5ccfed3  update-u-boot
f5c8a49bda189639386f2367418ab492f10e0e3c0c3f4ca078c461c0cf4427e113a90f49c37f01ef4db0a6e0f55d4f0a6346777e291918866821e659077e374a  0001-librem5-enable-console-on-UART4.patch
"