radxa-zero: new device

device/testing/device-radxa-zero/APKBUILD

+# Reference: <https://postmarketos.org/devicepkg>
+# Maintainer: Timothy Valldeperas <tvall43@gmail.com>
+pkgname=device-radxa-zero
+pkgver=1
+pkgrel=0
+pkgdesc="Radxa Zero"
+url="https://postmarketos.org"
+license="MIT"
+arch="aarch64"
+options="!check !archcheck"
+depends="postmarketos-base linux-radxa-zero mesa-dri-gallium"
+makedepends="devicepkg-dev"
+source="deviceinfo
+	extlinux.conf
+	"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+	install -D -m644 "$srcdir"/extlinux.conf \
+		"$pkgdir"/boot/extlinux/extlinux.conf
+}
+
+sha512sums="
+34a34286823b40f546c33912f5710a3027e7d9c9f485b543b422235ea5ba319f89feb4053733cc6dacb53abe5a2af64fb9f5858ad0c54006747245be500618f8  deviceinfo
+883da28a9181b3d5799d31f69b16aca6f2811cfe3911ab4ab04f34f6b1867446a7e698d68c0588851e285baca4792a83f51b68947eb0f192badd44aa0b3d77b9  extlinux.conf
+"

device/testing/device-radxa-zero/deviceinfo

+# Reference: <https://postmarketos.org/deviceinfo>
+# Please use double quotes only. You can source this file in shell scripts.
+
+deviceinfo_format_version="0"
+deviceinfo_name="Radxa Zero"
+deviceinfo_manufacturer="Radxa"
+deviceinfo_codename="radxa-zero"
+deviceinfo_year="2021"
+deviceinfo_arch="aarch64"
+
+# Device related
+deviceinfo_gpu_accelerated="true"
+deviceinfo_chassis="embedded"
+deviceinfo_keyboard="true"
+deviceinfo_external_storage="true"
+deviceinfo_screen_width="1920"
+deviceinfo_screen_height="1080"
+
+# Bootloader related
+deviceinfo_flash_method="none"

device/testing/device-radxa-zero/extlinux.conf

+timeout 10
+default POSTMARKETOS
+menu title boot prev kernel
+
+label POSTMARKETOS
+  kernel /vmlinuz
+  fdt /dtbs/amlogic/meson-g12a-radxa-zero.dtb
+  initrd /initramfs
+  append console=tty0 console=ttyAML0,115200n8 panic=10 coherent_pool=2M loglevel=5

device/testing/linux-radxa-zero/APKBUILD

+# Reference: <https://postmarketos.org/vendorkernel>
+# Kernel config based on: arch/arm64/configs/g12a_defconfig)
+
+pkgname=linux-radxa-zero
+pkgver=5.17.8
+pkgrel=0
+pkgdesc="radxa zero kernel"
+arch="aarch64"
+_carch="arm64"
+_flavor="radxa-zero"
+url="https://kernel.org"
+license="GPL-2.0-only"
+options="!strip !check !tracedeps pmb:cross-native"
+makedepends="
+	bash
+	bc
+	bison
+	devicepkg-dev
+	findutils
+	flex
+	installkernel
+	openssl-dev
+	perl
+	rsync
+	gzip
+	xz
+	gmp-dev
+	mpc1-dev
+	mpfr-dev
+"
+
+# Source
+_config="config-$_flavor.$arch"
+case $pkgver in
+	*.*.*)	_kernver=${pkgver%.0};;
+	*.*)	_kernver=$pkgver;;
+esac
+
+
+source="
+	https://cdn.kernel.org/pub/linux/kernel/v${_kernver%%.*}.x/linux-$_kernver.tar.xz
+	$_config
+"
+builddir="$srcdir/linux-$_kernver"
+
+
+prepare() {
+	default_prepare
+	REPLACE_GCCH=0 . downstreamkernel_prepare
+}
+
+build() {
+	unset LDFLAGS
+	make ARCH="$_carch" \
+		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
+}
+
+package() {
+	downstreamkernel_package "$builddir" "$pkgdir" "$_carch" "$_flavor"
+
+	make -j1 modules_install dtbs_install \
+		ARCH="$_carch" \
+		INSTALL_MOD_STRIP=1 \
+		INSTALL_MOD_PATH="$pkgdir" \
+		INSTALL_DTBS_PATH="$pkgdir/boot/dtbs/"
+
+	gzip -v "$pkgdir"/boot/vmlinuz
+	mv "$pkgdir"/boot/vmlinuz.gz "$pkgdir"/boot/vmlinuz
+
+}
+
+
+sha512sums="
+032feea7138d0b9b016a50769e6f10889e0ec8cb532569b1aaecac957211e60cc9207aa6ac2bb379c967c8322f8ccb19d2834bf1f88c03d0774b087e08a9a22a  linux-5.17.8.tar.xz
+26cc27b6e55e05abd049cfcac08ff24fee2b81c680aa0c317d0818348ee507a93e1c3547235fd73831c2cc548544439afb94ae0e89e4db3abc84a3915aa82c64  config-radxa-zero.aarch64
+"