# Forked from Alpine, so we can build it with Librem 5 devkit support
pkgname=u-boot-librem5dev
pkgver=0.3
pkgrel=0
_atfversion="e570c688f9962b5d8d0668416bc10ac132392e40"
_ubootversion="a8e92dba4b5bea64cda4fe92348170f29132e116"
_mkimageversion="7bb910903a657c25421a06ccc9e20239fbf4e173"
_ddrversion="91b60308b4edf8f112aa275895280ac5608ac630"
_m4version="a017421c340a69f2392086da93841244f78a03c5"
pkgdesc="u-boot bootloader for the Purism Librem5 devkit"
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="$depends_dev bc dtc python3-dev swig binutils coreutils zlib-dev newlib-arm-none-eabi"
options="!check !tracedeps"
source="
	uboot-imx-${_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/trusted-firmware-a/-/archive/${_atfversion}/trusted-firmware-a-${_atfversion}.tar.gz
	imx-mkimage-${_mkimageversion}.tar.gz::https://source.codeaurora.org/external/imx/imx-mkimage/snapshot/${_mkimageversion}.tar.gz
	imx-ddr4_firmware-${_ddrversion}.tar.gz::https://source.puri.sm/Librem5/image-builder/raw/${_ddrversion}/build/files/imx-mkimage-emcraft.tar.gz
	0001-remove-dependency-on-git.patch
	"
_ubootbuilddir="$srcdir"/uboot-imx-${_ubootversion}
_atfbuilddir="$srcdir"/trusted-firmware-a-${_atfversion}
_mkimagebuilddir="$srcdir"/${_mkimageversion}
_ddr4dir="$srcdir/imx-mkimage"
_m4builddir="$srcdir"/Cortex_M4-${_m4version}

builddir="$_mkimagebuilddir"

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

	msg "Building ARM trusted firmware"
	cd "$_atfbuilddir"
	LDFLAGS="" make PLAT=imx8mq bl31
	_bl31="$_atfbuilddir"/build/imx8mq/release/bl31.bin

	msg "Building u-boot"
	cd "$_ubootbuilddir"
	make distclean
	# Note: HOSTCC is set explicitly here else it tries to use cc, which
	# doesn't exist on Alpine
	make ARCH=arm HOSTCC=gcc librem5_devkit_base_defconfig
	make ARCH=arm HOSTCC=gcc


	msg "Building u-boot image"
	# Copy binaries to build final image
	cp -v "$_ubootbuilddir"/u-boot-nodtb.bin "$_mkimagebuilddir"/iMX8M/
	cp -v "$_ubootbuilddir"/u-boot.bin "$_mkimagebuilddir"/iMX8M/
	cp -v "$_ubootbuilddir"/spl/u-boot-spl.bin "$_mkimagebuilddir"/iMX8M/
	cp -v "$_ubootbuilddir"/arch/arm/dts/librem5-evk.dtb "$_mkimagebuilddir"/iMX8M/fsl-imx8mq-evk.dtb
	cp -v "$_ddr4dir"/iMX8M/*.bin "$_mkimagebuilddir"/iMX8M/
	cp -v "$_ubootbuilddir"/tools/mkimage "$_mkimagebuilddir"/iMX8M/
	mv -v "$_mkimagebuilddir"/iMX8M/mkimage "$_mkimagebuilddir"/iMX8M/mkimage_uboot
	# Overwrite default bl31 binary with one made here
	cp -v "$_bl31" "$_mkimagebuilddir"/iMX8M/bl31.bin
	cd "$_mkimagebuilddir"
	make SOC=iMX8M flash_hdmi_spl_uboot
	msg "done!"
}

package() {
	install -D -m644 "$builddir"/iMX8M/flash.bin \
		"$pkgdir/usr/share/firmware/librem5dev/u-boot.bin"
	install -D -m644 "$_m4builddir"/m4.bin \
		"$pkgdir/usr/share/firmware/librem5dev/m4.bin"
}

_all() {
	pkgdesc="u-boot for all boards (meta package)"
	depends="$_allboards"

	mkdir -p "$subpkgdir"/
}

_split_boards() {
	cd "$builddir"/build
	pkgdesc="u-boot for $1"
	depends="u-boot"
	shift
	local board
	for board; do
		msg "Including board $board"
		mkdir -p "$subpkgdir"/usr/share/$pkgname/$board
		export BUILD_DIR="$builddir"/build/$board
		local ok=no
		for image in u-boot-sunxi-with-spl.bin -- MLO SPL u-boot.img -- u-boot.bin; do
			if [ "$image" = "--" ]; then
				[ "$ok" = yes ] && break
				continue
			fi
			if [ -e "$BUILD_DIR"/$image ]; then
				cp "$BUILD_DIR"/$image "$subpkgdir"/usr/share/$pkgname/$board \
					|| return 1
				ok=yes
			fi
		done
		[ "$ok" = yes ] || return 1
	done
}

for board_config in $board_configs; do
	_board="${board_config%%:*}"
	_configs="${board_config#*:}"
	eval "${_board}() { _split_boards $_board ${_configs//,/ }; }"
done

sha512sums="879ce8b4deee0a696d9f1538167cda85467d4751c47800cfb9246db7d7772458a37ea60e706c4be3316521fe8885201837cd39c8ba88acb0da6ceabaff1e0010  uboot-imx-a8e92dba4b5bea64cda4fe92348170f29132e116.tar.gz
035a4358ddf586c829da7fa2fb0d9d1df913c0c454f2d0e57ff0c6794552e49950fb6373f9aaf72e0e4c78ab411496aabbc60bf66cd76e35053f7a2d77911735  m4-a017421c340a69f2392086da93841244f78a03c5.tar.gz
8c42ba928be1ea957c663766fcc5408336e16b80b9aacc739887e0f604a670009394f2a31a6303f718c345ba3df9cd2d758268dd1343dd3086dda65790d707a6  arm-trusted-firmware-e570c688f9962b5d8d0668416bc10ac132392e40.tar.gz
e17a6c245706eb17950a8136121c58dc8810010c974f5183e920d5bfc689d6fe578f1faba5d408c62887081d34fa130bbc0c50e3a4cdab9da58554ff91caa71b  imx-mkimage-7bb910903a657c25421a06ccc9e20239fbf4e173.tar.gz
a03f0fdb3541f95bf6d4c767c02378ae82d6ef1a85a1bbe70f124b72d497f23515469f7dde20f59102a5d81fa507136912bcf39e184f6765cfd1592a738e4a2a  imx-ddr4_firmware-91b60308b4edf8f112aa275895280ac5608ac630.tar.gz
0410f8c7a3d122c0be9da969880fb5996e8bd2a91be1d06c6624f16d6f1ff9dbc948c0274a521419e743ca46331e9e9bd0e234a422ccf23e42bc2bd6daedbc05  0001-remove-dependency-on-git.patch"