samsung-a21s: new device

Mainline 7.2 port for the Samsung Galaxy A21s, Exynos 850. Working: display, touchscreen, Phosh with GPU acceleration. Signed-off-by: Thomas Turner <tturner@lineageos.org> Part-of: <https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/9467>
2026-09-01 19:38:17 +00:00
parent 7527ebe3eb
commit 3ef06e837f
7 changed files with 9609 additions and 0 deletions
@@ -0,0 +1,43 @@
+# Reference: <https://postmarketos.org/devicepkg>
+maintainer="Thomas Turner <tturner@lineageos.org>"
+pkgname=device-samsung-a21s
+pkgver=1
+pkgrel=0
+pkgdesc="Samsung Galaxy A21s"
+url="https://postmarketos.org"
+arch="aarch64"
+license="MIT"
+depends="
+	android-tools-mkbootimg
+	firmware-samsung-a21s
+	linux-postmarketos-exynos850
+	postmarketos-base
+"
+makedepends="
+	android-tools-mkdtboimg
+	devicepkg-dev
+	dtc
+"
+source="
+	deviceinfo
+	exynos850-samsung-a21s-empty.dts
+"
+options="!archcheck !check"
+
+build() {
+	devicepkg_build $startdir $pkgname
+
+	dtc -O dtb -o "$srcdir/dtbo" -I dts "$srcdir/exynos850-samsung-a21s-empty.dts"
+	mkdtboimg create "$srcdir/dtbo.img" "$srcdir/dtbo" --custom0=0x6 --custom1=0x20
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+
+	install -Dm644 "$srcdir/dtbo.img" "$pkgdir/boot/dtbo.img"
+}
+
+sha512sums="
+246ee4a60eba0354667313f1653a8df7468a09f9607b4330e3ef3818dec6d3840ad9467e778aa49082ab211e6a98b2a52393a1c918ca71284d120e45553ff772  deviceinfo
+6e127e53f2380efad88b64d9720954ca633b4dace54afba29207afd210b0c43cf6fe6c636cfb9f14aa486bd6887da3b30f2a241d4a9244cd593639790c0c53b9  exynos850-samsung-a21s-empty.dts
+"
@@ -0,0 +1,32 @@
+# Reference: <https://postmarketos.org/deviceinfo>
+# Please use double quotes only. You can source this file in shell
+# scripts.
+
+deviceinfo_format_version="0"
+deviceinfo_name="Samsung Galaxy A21s"
+deviceinfo_manufacturer="Samsung"
+deviceinfo_codename="samsung-a21s"
+deviceinfo_year="2020"
+deviceinfo_dtb="exynos850-a217f-3gb"
+deviceinfo_arch="aarch64"
+
+# Device related
+deviceinfo_chassis="handset"
+deviceinfo_drm="true"
+deviceinfo_external_storage="true"
+deviceinfo_swap_size_recommended="1024"
+
+# Bootloader related
+deviceinfo_flash_method="fastboot"
+deviceinfo_generate_bootimg="true"
+deviceinfo_create_initfs_extra="true"
+deviceinfo_flash_pagesize="2048"
+deviceinfo_header_version="2"
+deviceinfo_flash_offset_dtb="0x00000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x01000000"
+deviceinfo_flash_offset_second="0xf0000000"
+deviceinfo_flash_offset_tags="0x00000100"
+
+deviceinfo_flash_fastboot_partition_dtbo="dtbo"
+deviceinfo_flash_fastboot_partition_vbmeta="vbmeta"
@@ -0,0 +1,8 @@
+/dts-v1/;
+
+/ {
+	model = "Samsung Galaxy A21s";
+	compatible = "samsung,exynos850";
+	dtbo-hw_rev = <0x06>;
+	dtbo-hw_rev_end = <0x20>;
+};
@@ -0,0 +1 @@
+/usr/lib/firmware/td4150_a21s.bin
@@ -0,0 +1,28 @@
+maintainer="Thomas Turner <tturner@lineageos.org>"
+pkgname=firmware-samsung-a21s
+pkgver=1
+pkgrel=0
+pkgdesc="Firmware for a21s"
+url="https://github.com/samsungexynos850/firmware-samsung-a21s"
+arch="aarch64"
+license="proprietary"
+options="!check !strip !archcheck !tracedeps
+	pmb:cross-native
+"
+source="
+	https://raw.githubusercontent.com/samsungexynos850/firmware-samsung-a21s/refs/heads/master/td4150_a21s.bin
+	30-initramfs-firmware-samsung-a21s.files
+"
+
+package() {
+	mkdir -p "$pkgdir"/usr/lib/firmware
+	mv "$srcdir"/td4150_a21s.bin "$pkgdir"/usr/lib/firmware/
+
+	install -Dm644 "$srcdir"/30-initramfs-$pkgname.files -t \
+		"$pkgdir"/usr/share/mkinitfs/files
+}
+
+sha512sums="
+a9624ddaebe4885eedb81984f54f05c65d68114a371a5711878289380476f2ce710cfa96fb6ffc8d7ce2889715669009f48368344ac5095114d452a23549c465  td4150_a21s.bin
+dbc91c5cbe60fd0bb0a9daf582ebf1184fa89664aa934cad4952aa28bd161bb97921e86aa20dcc98df994c84c6a5cd74caee3784b3fcb9533ae6ece35db0602a  30-initramfs-firmware-samsung-a21s.files
+"
@@ -0,0 +1,81 @@
+# Kernel config based on: arch/arm64/configs/exynos850_defconfig
+maintainer="Thomas Turner <tturner@lineageos.org>"
+pkgname=linux-postmarketos-exynos850
+pkgver=7.2.0
+pkgrel=0
+pkgdesc="Mainline kernel fork for Exynos850"
+arch="aarch64"
+_carch="arm64"
+_flavor="postmarketos-exynos850"
+url="https://github.com/samsungexynos850/linux"
+license="GPL-2.0-only"
+options="!strip !check !tracedeps
+	pmb:cross-native
+	pmb:kconfigcheck-nftables
+"
+makedepends="
+	android-tools-mkdtboimg
+	bash
+	bc
+	bison
+	clang
+	elfutils-dev
+	findutils
+	flex
+	linux-headers
+	lld
+	llvm
+	openssl-dev
+	pahole
+	perl
+	postmarketos-installkernel
+	python3
+"
+
+_repository="linux"
+_commit="8be82eacf2ea237e8a3d06d4f5b1bf6554571322"
+_config="config-$_flavor.$arch"
+
+# Source
+source="
+	linux-$_commit.tar.gz::https://github.com/samsungexynos850/$_repository/archive/$_commit.tar.gz
+	$_config
+"
+builddir="$srcdir/linux-$_commit"
+
+prepare() {
+	default_prepare
+	cp "$srcdir/$_config" .config
+}
+
+build() {
+	unset LDFLAGS
+	make ARCH="$_carch" LLVM=1 \
+		KBUILD_BUILD_VERSION="$((pkgrel + 1))-postmarketOS"
+}
+
+package() {
+	mkdir -p "$pkgdir"/boot
+
+	for ram in 3gb 4gb 6gb; do
+		mv arch/arm64/boot/dts/exynos/exynos850-a217f-"${ram}".dtb dtb
+		mkdtboimg create arch/arm64/boot/dts/exynos/exynos850-a217f-"${ram}".dtb dtb --custom1=0xff
+	done
+
+	make install modules_install dtbs_install \
+		ARCH="$_carch" \
+		LLVM=1 \
+		INSTALL_PATH="$pkgdir"/boot \
+		INSTALL_MOD_PATH="$pkgdir"/usr \
+		INSTALL_MOD_STRIP=1 \
+		INSTALL_DTBS_PATH="$pkgdir"/boot/dtbs
+	rm -f "$pkgdir"/usr/lib/modules/*/build "$pkgdir"/usr/lib/modules/*/source
+
+	install -Dm644 "$builddir"/include/config/kernel.release \
+		"$pkgdir"/usr/share/kernel/$_flavor/kernel.release
+}
+
+sha512sums="
+41d91860fcbb7f3c8e8e1c9bd05ebffb1665a4c7ffa308692c065d7c78d8e400f099ef497c8a1016c729f2ebc1bd1ff004d87be480aa23e38e3bf4ef1fafcfca  linux-8be82eacf2ea237e8a3d06d4f5b1bf6554571322.tar.gz
+3a8a4fe4a6136aef54ec959db6b7bc717fb07067c96c64b7bacf58bfccc1bf18b50fa21283549b201ba0464e02285f186d723717af16ba84293dec4446eb3a3e  config-postmarketos-exynos850.aarch64
+"