Add support for Samsung SIII mini VE (gt-i8200)

device/device-samsung-i8200/APKBUILD

@@ -0,0 +1,29 @@
+# Reference: <https://postmarketos.org/devicepkg>
+pkgname="device-samsung-i8200"
+pkgdesc="Samsung SIII mini Value Edition"
+pkgver=0.1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="noarch"
+options="!check"
+depends="postmarketos-base linux-samsung-i8200 mkbootimg mesa-dri-swrast"
+makedepends="devicepkg-dev"
+source="deviceinfo"
+subpackages="$pkgname-nonfree-firmware:nonfree_firmware"
+
+nonfree_firmware() {
+	pkgdesc="Wi-Fi and bluetooth firmware"
+	depends="linux-firmware-mrvl"
+	mkdir "$subpkgdir"
+}
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+sha512sums="a97b8e8b53708b8390858f45ad0fb23e39e0acbf80a351a4be502bb12c9ec81f6ae2dda423b6225ac7e6c9dee75b82668a73cadbd0369303ea052d62effffdc6  deviceinfo"

device/device-samsung-i8200/deviceinfo

@@ -0,0 +1,34 @@
+# 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 SIII mini Value Edition"
+deviceinfo_manufacturer="Samsung"
+deviceinfo_date=""
+deviceinfo_dtb=""
+deviceinfo_modules_initfs=""
+deviceinfo_arch="armhf"
+
+# Device related
+deviceinfo_keyboard="false"
+deviceinfo_external_storage="false"
+deviceinfo_screen_width="480"
+deviceinfo_screen_height="800"
+deviceinfo_dev_touchscreen="/dev/input/event2"
+deviceinfo_dev_touchscreen_calibration=""
+deviceinfo_dev_keyboard=""
+
+# Bootloader related
+deviceinfo_flash_method="heimdall-bootimg"
+deviceinfo_kernel_cmdline=""
+deviceinfo_generate_bootimg="true"
+deviceinfo_bootimg_qcdt="false"
+deviceinfo_flash_offset_base="0x10000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x01000000"
+deviceinfo_flash_offset_second="0x00f00000"
+deviceinfo_flash_offset_tags="0x00000100"
+deviceinfo_flash_pagesize="2048"
+deviceinfo_flash_heimdall_partition_kernel=""
+deviceinfo_flash_heimdall_partition_system=""
+

device/linux-samsung-i8200/APKBUILD

@@ -0,0 +1,63 @@
+# Kernel config based on: arch/arm/configs/pxa986_golden_rev02_defconfig
+
+pkgname="linux-samsung-i8200"
+pkgver=3.4.5
+pkgrel=0
+pkgdesc="Samsung SIII mini Value Edition kernel fork"
+arch="armhf"
+_carch="arm"
+_flavor="samsung-i8200"
+url="https://kernel.org"
+license="GPL2"
+options="!strip !check !tracedeps"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev"
+HOSTCC="${CC:-gcc}"
+HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+
+# Source
+_repository="kernel_i8200"
+_commit="5e4d8b5f27fb90d5a3f8aad13d9afe63e586c82d"
+_config="config-${_flavor}.${arch}"
+source="
+	$pkgname-$_commit.tar.gz::https://github.com/MasterPlexus/${_repository}/archive/${_commit}.tar.gz
+	$_config
+	compiler-gcc6.h
+	timeconst_fix.patch
+"
+builddir="$srcdir/${_repository}-${_commit}"
+
+prepare() {
+	default_prepare
+	downstreamkernel_prepare "$srcdir" "$builddir" "$_config" "$_carch" "$HOSTCC"
+}
+
+build() {
+	unset LDFLAGS
+	make ARCH="$_carch" CC="${CC:-gcc}" \
+		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
+}
+
+package() {
+	# kernel.release
+	install -D "$builddir/include/config/kernel.release" \
+		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"
+
+	# zImage (find the right one)
+	cd "$builddir/arch/$_carch/boot"
+	_target="$pkgdir/boot/vmlinuz-$_flavor"
+	for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
+		[ -e "$_zimg" ] || continue
+		msg "zImage found: $_zimg"
+		install -Dm644 "$_zimg" "$_target"
+		break
+	done
+	if ! [ -e "$_target" ]; then
+		error "Could not find zImage in $PWD!"
+		return 1
+	fi
+}
+
+sha512sums="425d76c48862f3662826518e44164769e3ea959aed569329bafd951b2124d2ea3318de8ed65cb5f45635e0f3a13fa99b1ffa1df913126a1a5ecd1fa0ad988668  linux-samsung-i8200-5e4d8b5f27fb90d5a3f8aad13d9afe63e586c82d.tar.gz
+738888a5e773436d8574e57caebb69f0a4ecebd59377c3c579715521cec9ea9ffe7165b936e69676b7303d977d24b22d5b1cab5612978095bceb940e16fdea65  config-samsung-i8200.armhf
+d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
+7191d532df8f6a8bf64b5b5bcaa7343c8d1b844c891a67fc6d29f421903ddd46c3e779a6f5a5833a6a8f635d1582f5224fa795b3912b8b211a90ee561ad31469  timeconst_fix.patch"

device/linux-samsung-i8200/compiler-gcc6.h

@@ -0,0 +1,69 @@
+// SOURCE:
+// https://github.com/NextThingCo/CHIP-u-boot/issues/10#issuecomment-287515505
+
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc6.h> directly, include <linux/compiler.h> instead."
+#endif
+
+#define __used				__attribute__((__used__))
+#define __must_check			__attribute__((warn_unused_result))
+#define __compiler_offsetof(a, b)	__builtin_offsetof(a, b)
+
+/* Mark functions as cold. gcc will assume any path leading to a call
+   to them will be unlikely.  This means a lot of manual unlikely()s
+   are unnecessary now for any paths leading to the usual suspects
+   like BUG(), printk(), panic() etc. [but let's keep them for now for
+   older compilers]
+
+   Early snapshots of gcc 4.3 don't support this and we can't detect this
+   in the preprocessor, but we can live with this because they're unreleased.
+   Maketime probing would be overkill here.
+
+   gcc also has a __attribute__((__hot__)) to move hot functions into
+   a special section, but I don't see any sense in this right now in
+   the kernel context */
+#define __cold			__attribute__((__cold__))
+
+#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
+
+#ifndef __CHECKER__
+# define __compiletime_warning(message) __attribute__((warning(message)))
+# define __compiletime_error(message) __attribute__((error(message)))
+#endif /* __CHECKER__ */
+
+/*
+ * Mark a position in code as unreachable.  This can be used to
+ * suppress control flow warnings after asm blocks that transfer
+ * control elsewhere.
+ *
+ * Early snapshots of gcc 4.5 don't support this and we can't detect
+ * this in the preprocessor, but we can live with this because they're
+ * unreleased.  Really, we need to have autoconf for the kernel.
+ */
+#define unreachable() __builtin_unreachable()
+
+/* Mark a function definition as prohibited from being cloned. */
+#define __noclone	__attribute__((__noclone__))
+
+/*
+ * Tell the optimizer that something else uses this function or variable.
+ */
+#define __visible __attribute__((externally_visible))
+
+/*
+ * GCC 'asm goto' miscompiles certain code sequences:
+ *
+ *   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
+ *
+ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
+ *
+ * (asm goto is automatically volatile - the naming reflects this.)
+ */
+#define asm_volatile_goto(x...)	do { asm goto(x); asm (""); } while (0)
+
+#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
+#define __HAVE_BUILTIN_BSWAP32__
+#define __HAVE_BUILTIN_BSWAP64__
+#define __HAVE_BUILTIN_BSWAP16__
+#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+

device/linux-samsung-i8200/timeconst_fix.patch

@@ -0,0 +1,17 @@
+diff --git a/kernel/timeconst.pl b/kernel/timeconst.pl
+index eb51d76e058a4..3f42652a6a374 100644
+--- a/kernel/timeconst.pl
++++ b/kernel/timeconst.pl
+@@ -369,10 +369,8 @@ (@)
+ 		die "Usage: $0 HZ\n";
+ 	}
+
+-	@val = @{$canned_values{$hz}};
+-	if (!defined(@val)) {
+-		@val = compute_values($hz);
+-	}
++	$cv = $canned_values{$hz};
++	@val = defined($cv) ? @$cv : compute_values($hz);
+ 	output($hz, @val);
+ }
+ exit 0;