# Contributor: William Pitcock <nenolod@dereferenced.org>
# Contributor: Timo Teras <timo.teras@iki.fi>
# Maintainer: Leonardo Arena <rnalrd@alpinelinux.org>
pkgname=u-boot
pkgver=2016.07
pkgrel=0
pkgdesc="Bootloader for ARM"
url="http://www.denx.de/wiki/U-Boot/"
arch="armhf"
license="GPL2"
depends=""
depends_dev=""
makedepends="$depends_dev bc"
install=""
subpackages=""
source="ftp://ftp.denx.de/pub/u-boot/u-boot-${pkgver//_/-}.tar.bz2
	README.txt
	"

_srcdir="$srcdir"/u-boot-${pkgver//_/-}
builddir="$srcdir"/build

board_configs="
	beagleboard:am335x_boneblack
	cubieboard:Cubieboard,Cubieboard2
	raspberrypi:rpi,rpi_2,rpi_3_32b
	wandboard:wandboard
	"

for board_config in $board_configs; do
	subpackages="$subpackages $pkgname-${board_config%%:*}"
done
depends="$subpackages"

build() {
	cd "$_srcdir"
	touch include/config.h
	LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > include/timestamp_autogenerated.h
	LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> include/timestamp_autogenerated.h

	local board_config board
	for board_config in $board_configs; do
		local configs="${board_config#*:}"
		for board in ${configs//,/ }; do
			msg "Building u-boot for $board"
			export BUILD_DIR="$builddir"/$board
			mkdir -p "$BUILD_DIR"
			make O="$BUILD_DIR" ${board}_config || return 1
			make O="$BUILD_DIR" all || return 1
		done
	done
}

package() {
	cd "$builddir"
	mkdir -p "$pkgdir"/usr/share/$pkgname
	install "$srcdir"/README.txt "$pkgdir"/usr/share/$pkgname/README.txt
}

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

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

md5sums="425a3fa610a7d972e5092a0e92276c70  u-boot-2016.07.tar.bz2
a15f53ccac7769614b1ee47971b27218  README.txt"
sha256sums="974fb7225c0af6a721307631f66b81e20dbda82a4d7cc32aba2a625727231253  u-boot-2016.07.tar.bz2
286e3df4e9c682d7b41bbed610ec4ac8894129697816dfce1c88b848ab969d89  README.txt"
sha512sums="fa76dbd7e654ff9e4b3166162be6c0a77ecf2eb2a952b4865df3c818ebcdca7e2bb75e5ba19bf0346000c3d185888552193bb74510b115426cfe444b78efd3ef  u-boot-2016.07.tar.bz2
25ced657357acb80a6c2f064e7ad6c9497a8a52f72c366e6f362824e9453588dbbef392966cfa04d4d7c13c21a65b53cd43d306da0c54449622922c8542f2a43  README.txt"