google-snow: new device (MR 2888)

2022-01-29 16:26:24 +02:00 · 2022-01-29 16:26:24 +02:00 · f38eb4b813
commit f38eb4b813
parent ac6091a4a7
14 changed files with 455 additions and 0 deletions
--- a/device/testing/device-google-snow/APKBUILD
+++ b/device/testing/device-google-snow/APKBUILD
@ -0,0 +1,134 @@
+# Reference: <https://postmarketos.org/devicepkg>
+# Maintainer: Jenneron <jenneron@protonmail.com>
+pkgname=device-google-snow
+pkgdesc="Samsung Chromebook"
+pkgver=1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="armv7"
+options="!check !archcheck"
+depends="
+	alsa-ucm-conf
+	mesa-dri-gallium
+	postmarketos-base
+	u-boot-snow
+"
+makedepends="
+	devicepkg-dev
+	u-boot-tools
+"
+source="
+	deviceinfo
+	i3wm/xorg.conf.d/90-tap-to-click.conf
+	modprobe.d/mali.conf
+	uboot-script.cmd
+	ucm/HiFi.conf
+	ucm/Snow-I2S-MAX98090.conf
+	mpv/mpv.conf.wayland
+	mpv/mpv.conf.xorg
+	sway/foot/foot.ini
+	sway/tinydm/10-no-hardware-cursor.sh
+"
+subpackages="
+	$pkgname-i3wm
+	$pkgname-kernel-rev4:kernel_rev4
+	$pkgname-kernel-rev5:kernel_rev5
+	$pkgname-mpv-wayland:mpv_wayland
+	$pkgname-mpv-xorg:mpv_xorg
+	$pkgname-nonfree-firmware:nonfree_firmware
+	$pkgname-sway
+"
+
+build() {
+	devicepkg_build $startdir $pkgname
+
+	mkimage \
+		-A arm \
+		-O linux \
+		-T script \
+		-C none \
+		-a 0 \
+		-e 0 \
+		-n postmarketos \
+		-d "$srcdir"/uboot-script.cmd \
+		"$srcdir"/boot.scr
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+
+	# Block panfrost probe as it causes segfault in X11
+	install -Dm644 "$srcdir"/mali.conf \
+		"$pkgdir"/etc/modprobe.d/mali.conf
+
+	# Alsa UCM configs
+	install -Dm644 "$srcdir"/Snow-I2S-MAX98090.conf \
+		"$pkgdir"/usr/share/alsa/ucm2/conf.d/Snow-I2S-MAX980/Snow-I2S-MAX98090.conf
+	install -Dm644 "$srcdir"/HiFi.conf \
+		"$pkgdir"/usr/share/alsa/ucm2/conf.d/Snow-I2S-MAX980/HiFi.conf
+
+	# U-Boot script
+	install -Dm644 "$srcdir"/boot.scr \
+		"$pkgdir"/boot/boot.scr
+}
+
+i3wm() {
+	install_if="$pkgname=$pkgver-r$pkgrel postmarketos-ui-i3wm"
+	install -D -m644 "$srcdir"/90-tap-to-click.conf \
+		"$subpkgdir"/etc/X11/xorg.conf.d/90-tap-to-click.conf
+}
+
+# Kernel subpackages to copy correct DTB, uboot-script.cmd selects copied one
+
+kernel_rev4() {
+	pkgdesc="Google Snow Rev 4"
+	depends="linux-postmarketos-exynos5"
+	devicepkg_subpackage_kernel $startdir $pkgname $subpkgname
+}
+
+kernel_rev5() {
+	pkgdesc="Google Snow Rev 5"
+	depends="linux-postmarketos-exynos5"
+	devicepkg_subpackage_kernel $startdir $pkgname $subpkgname
+}
+
+mpv_wayland() {
+	# Looks like wayland libs are installed with some x11 UIs too, so match wlroots here
+	install_if="$pkgname=$pkgver-r$pkgrel mpv wlroots"
+	install -Dm644 "$srcdir"/mpv.conf.wayland \
+		"$subpkgdir"/etc/mpv/mpv.conf
+}
+
+mpv_xorg() {
+	install_if="$pkgname=$pkgver-r$pkgrel mpv xorg-server"
+	install -Dm644 "$srcdir"/mpv.conf.xorg \
+		"$subpkgdir"/etc/mpv/mpv.conf
+}
+
+nonfree_firmware() {
+	pkgdesc="WiFi/BT firmware"
+	depends="linux-firmware-mrvl"
+	mkdir "$subpkgdir"
+}
+
+sway() {
+	install_if="$pkgname=$pkgver-r$pkgrel postmarketos-ui-sway"
+	install -Dm644 "$srcdir"/foot.ini \
+		"$subpkgdir"/etc/skel/.config/foot/foot.ini
+	install -Dm755 "$srcdir"/10-no-hardware-cursor.sh \
+		"$subpkgdir"/etc/tinydm.d/env-wayland.d/10-no-hardware-cursor.sh
+}
+
+sha512sums="
+f7d3b70ee5f19e634cd41294aa4d1287dad6a8324f9223aa9c26de28b46305e3a9d22e340e0121d7a335aee0be49727e1e289d5daa53e7f22faa7d1347c5abd1  deviceinfo
+e53ca475830930ecfc1fd537702e850e2abcb66fbed521cb6c3a2918d762649254bd0244ec93a47b20dfc593ec3afc9bdebdec1759a7bc96dcbe4800f40893da  90-tap-to-click.conf
+c5fdd5a39a41044343d937a1ad31cc6bb893f19a329beb4ce09249064cac066d643c84ffcbfcd794113c228c5a56e28c82812092751546b49ab31142dc8245b1  mali.conf
+e55e7ccbd038546b70825ed58bdf39bd2780176eacf4fbb36a0bfa3dcfa585a42f891905171ac4e7ce2e98f0c16d41a8586eca870fc53ac8f3adacc7b045777e  uboot-script.cmd
+8a8f593694528a9323ef4a0aff7e9c6ad45608957eb042d425663f682885c2f95eb01db4fe87b7c43a90de48f3e5f8b10cab4b13c547b5b0d31b924fcb083cad  HiFi.conf
+b163535da7626e3866faa45768c3888f69f90c98d694650e16a7594a03eb91391e166931eb487901217d983bb2dc4e49b99a2a5531740a7d87f8f4f5c3d0cf59  Snow-I2S-MAX98090.conf
+8f9dc3c7caeab6c5321dc2bf498f1a03a793f23cb776763316bc356b9d433d7a3337e61154069464dcda200bf390b99f3be8f657a40c6d2f6be3cbc6fb751080  mpv.conf.wayland
+d6bc39df48ba0e985a796426039205335adf1c91b9c150b05a4239339fc78b1748b3a83c699de69e9a5829f29573a323f40788da58ed15b1951de1eab7e31c3d  mpv.conf.xorg
+61c56cf84cf88371a2238845db1f8283c7eb7b417dec8c51d71e51fb96899bb026c0ee22dc94a43537a56477fb0db59de960949add4b0ce90552a1286e6afe69  foot.ini
+78e566bf3a597b9b5f73f686feb93ae61d1bed350366428d74c7735f1f82ab390f47ba9deb9d21e8dfcee251dc6178956838ca1b34838bb0a7d740be0e2c8330  10-no-hardware-cursor.sh
+"
--- a/device/testing/device-google-snow/deviceinfo
+++ b/device/testing/device-google-snow/deviceinfo
@ -0,0 +1,29 @@
+# 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 Chromebook"
+deviceinfo_manufacturer="Samsung"
+deviceinfo_codename="google-snow"
+deviceinfo_year="2011"
+deviceinfo_dtb_rev4="exynos5250-snow"
+deviceinfo_dtb_rev5="exynos5250-snow-rev5"
+deviceinfo_modules_initfs="drm-dp-aux-bus panel-edp drm-kms-helper cros-ec-keyb sbs-battery tps65090-charger"
+deviceinfo_arch="armv7"
+
+# Device related
+deviceinfo_chassis="laptop"
+deviceinfo_keyboard="true"
+deviceinfo_external_storage="true"
+deviceinfo_screen_width="1366"
+deviceinfo_screen_height="768"
+
+# DRM is available, so all UIs can work with software rendering
+deviceinfo_gpu_accelerated="true"
+
+# Bootloader related
+deviceinfo_flash_method="none"
+deviceinfo_cgpt_kpart="/usr/share/u-boot/google-snow/u-boot-dtb.img.kpart"
+deviceinfo_cgpt_kpart_start="8192"
+deviceinfo_cgpt_kpart_size="32768"
--- a/device/testing/device-google-snow/i3wm/xorg.conf.d/90-tap-to-click.conf
+++ b/device/testing/device-google-snow/i3wm/xorg.conf.d/90-tap-to-click.conf
@ -0,0 +1,6 @@
+Section "InputClass"
+        Identifier "touchpad"
+        MatchIsTouchpad "on"
+        Driver "libinput"
+        Option "Tapping" "on"
+EndSection
--- a/device/testing/device-google-snow/modprobe.d/mali.conf
+++ b/device/testing/device-google-snow/modprobe.d/mali.conf
@ -0,0 +1 @@
+blacklist panfrost
--- a/device/testing/device-google-snow/mpv/mpv.conf.wayland
+++ b/device/testing/device-google-snow/mpv/mpv.conf.wayland
@ -0,0 +1,3 @@
+vo=wlshm
+profile=sw-fast
+ytdl-format="bestvideo[height<=?720]+bestaudio/best"
--- a/device/testing/device-google-snow/mpv/mpv.conf.xorg
+++ b/device/testing/device-google-snow/mpv/mpv.conf.xorg
@ -0,0 +1,3 @@
+vo=x11
+profile=sw-fast
+ytdl-format="bestvideo[height<=?720]+bestaudio/best"
--- a/device/testing/device-google-snow/sway/foot/foot.ini
+++ b/device/testing/device-google-snow/sway/foot/foot.ini
@ -0,0 +1 @@
+font=monospace:size=16
--- a/device/testing/device-google-snow/sway/tinydm/10-no-hardware-cursor.sh
+++ b/device/testing/device-google-snow/sway/tinydm/10-no-hardware-cursor.sh
@ -0,0 +1,5 @@
+#!/bin/bash
+
+# A workaround for missing cursor issue
+
+export WLR_NO_HARDWARE_CURSORS=1
--- a/device/testing/device-google-snow/uboot-script.cmd
+++ b/device/testing/device-google-snow/uboot-script.cmd
@ -0,0 +1,35 @@
+if test ${devnum} -eq 2 ; then
+	echo "Booting from SD";
+	setenv pmos_boot_dev 1;
+else
+	echo "Booting from eMMC";
+	setenv pmos_boot_dev 0;
+fi;
+
+setenv bootargs console=null pmos_boot=/dev/mmcblk${pmos_boot_dev}p2 pmos_root=/dev/mmcblk${pmos_boot_dev}p3
+
+if test -e mmc ${devnum}:2 exynos5250-snow.dtb; then
+	echo "Selecting DTB for rev 4";
+	setenv fdtfile exynos5250-snow.dtb;
+else
+	echo "Selecting DTB for rev 5";
+	setenv fdtfile exynos5250-snow-rev5.dtb;
+fi;
+
+echo Loading DTB
+load mmc ${devnum}:2 ${fdt_addr_r} ${fdtfile}
+
+echo Loading Initramfs
+load mmc ${devnum}:2 ${ramdisk_addr_r} initramfs
+setenv ramdisk_size ${filesize}
+
+echo Loading Kernel
+load mmc ${devnum}:2 ${kernel_addr_r} vmlinuz
+
+echo Resizing FDT
+fdt addr ${fdt_addr_r}
+fdt resize
+
+echo Booting Kernel
+bootz ${kernel_addr_r} ${ramdisk_addr_r}:${ramdisk_size} ${fdt_addr_r}
+
--- a/device/testing/device-google-snow/ucm/HiFi.conf
+++ b/device/testing/device-google-snow/ucm/HiFi.conf
@ -0,0 +1,139 @@
+SectionVerb {
+	Value {
+		OutputDspName "speaker_eq"
+	}
+
+	EnableSequence [
+		cdev "hw:SnowI2SMAX98090"
+
+		cset "name='Left Speaker Mixer Left DAC Switch' on"
+		cset "name='Right Speaker Mixer Right DAC Switch' on"
+
+		cset "name='Digital EQ 3 Band Switch' off"
+		cset "name='Digital EQ 5 Band Switch' off"
+		cset "name='Digital EQ 7 Band Switch' off"
+		cset "name='Biquad Switch' off"
+		cset "name='Filter Mode' Music"
+		cset "name='ADC Oversampling Rate' 0"
+
+		cset "name='MIC2 Mux' IN34"
+		cset "name='DMIC Mux' DMIC"
+		cset "name='Left ADC Mixer MIC2 Switch' on"
+		cset "name='Right ADC Mixer MIC2 Switch' on"
+
+		cset "name='ADCR Boost Volume' 4"
+		cset "name='ADCL Boost Volume' 4"
+		cset "name='ADCR Volume' 11"
+		cset "name='ADCL Volume' 11"
+
+		cset "name='Speaker Left Mixer Volume' 2"
+		cset "name='Speaker Right Mixer Volume' 2"
+		cset "name='Record Path DC Blocking' on"
+		cset "name='Playback Path DC Blocking' on"
+
+		cset "name='Speaker Left Switch' off"
+		cset "name='Speaker Right Switch' off"
+
+		cset "name='Headphone Left Switch' off"
+		cset "name='Headphone Right Switch' off"
+	]
+
+	DisableSequence [
+	]
+}
+
+SectionDevice."Speakers" {
+	Comment "Speakers"
+
+	ConflictingDevice [
+		"Headphones"
+	]
+
+	EnableSequence [
+		cset "name='Speaker Left Switch' on"
+		cset "name='Speaker Right Switch' on"
+	]
+
+	DisableSequence [
+		cset "name='Speaker Left Switch' off"
+		cset "name='Speaker Right Switch' off"
+	]
+
+	Value {
+		PlaybackPCM "hw:${CardId}"
+		PlaybackChannels 2
+		PlaybackVolume "Speaker Volume"
+	}
+}
+
+SectionDevice."Headphones" {
+	Comment "Headphones"
+
+	ConflictingDevice [
+		"Speakers"
+	]
+
+	EnableSequence [
+		cset "name='Headphone Left Switch' on"
+		cset "name='Headphone Right Switch' on"
+	]
+
+	DisableSequence [
+		cset "name='Headphone Left Switch' off"
+		cset "name='Headphone Right Switch' off"
+	]
+
+	Value {
+		JackControl "Headphone Jack"
+		PlaybackPCM "hw:${CardId}"
+		PlaybackChannels 2
+		PlaybackVolume "Headphone Volume"
+	}
+}
+
+SectionDevice."InternalMicrophone" {
+	Comment "Internal Microphone"
+
+	ConflictingDevice [
+		"HeadsetMicrophone"
+	]
+
+	EnableSequence [
+		cset "name='DMIC Mux' DMIC"
+	]
+
+	DisableSequence [
+		cset "name='DMIC Mux' ADC"
+	]
+
+	Value {
+		CapturePCM "hw:${CardId}"
+		CaptureChannels 2
+		CaptureVolume "MIC2 Volume"
+		DefaultNodeGain "-500"
+	}
+}
+
+SectionDevice."HeadsetMicrophone" {
+	Comment "Headset Microphone"
+
+	ConflictingDevice [
+		"InternalMicrophone"
+	]
+
+	EnableSequence [
+		cset "name='DMIC Mux' ADC"
+	]
+
+	DisableSequence [
+		cset "name='DMIC Mux' DMIC"
+	]
+
+	Value {
+		JackControl "Mic Jack"
+		CapturePCM "hw:${CardId}"
+		CaptureChannels 2
+		CaptureVolume "MIC2 Volume"
+		DefaultNodeGain "-500"
+	}
+}
--- a/device/testing/device-google-snow/ucm/Snow-I2S-MAX98090.conf
+++ b/device/testing/device-google-snow/ucm/Snow-I2S-MAX98090.conf
@ -0,0 +1,8 @@
+Syntax 2
+
+Comment "Google Snow internal card (Maxim 98090)"
+
+SectionUseCase."HiFi" {
+	File "HiFi.conf"
+	Comment "Default"
+}
--- a/temp/u-boot-snow/APKBUILD
+++ b/temp/u-boot-snow/APKBUILD
@ -0,0 +1,53 @@
+# Maintainer: Jenneron <jenneron@protonmail.com>
+pkgname=u-boot-snow
+pkgver=2022.01
+pkgrel=0
+pkgdesc="u-boot for Google Snow chromebooks"
+url="https://www.denx.de/wiki/U-Boot/"
+arch="armv7"
+license="GPL-2.0-or-later OFL-1.1 BSD-2-Clause BSD-3-Clause eCos-2.0 IBM-pibs
+	ISC LGPL-2.0-only LGPL-2.1-only X11"
+options="!check" # no tests in upstream
+makedepends="$depends_dev bc dtc python3-dev swig bison flex openssl-dev
+	py3-setuptools linux-headers u-boot-tools vboot-utils"
+source="
+	https://ftp.denx.de/pub/u-boot/u-boot-${pkgver//_/-}.tar.bz2
+	cve-2017-5715.patch
+	fix-sd-card-detection.patch
+"
+builddir="$srcdir"/u-boot-${pkgver//_/-}
+
+prepare() {
+	default_prepare
+}
+
+build() {
+	make snow_defconfig
+	make
+
+	mkimage -A arm -O linux -T kernel -C none -e 0x43E00000 -a 0x43E00000 -d u-boot-dtb.bin u-boot-dtb.img
+
+	echo -e "\n" > dummy_config
+	echo -e "\n" > dummy_bootloader
+
+	vbutil_kernel \
+		--pack u-boot-dtb.img.kpart \
+		--keyblock /usr/share/vboot/devkeys/kernel.keyblock \
+		--signprivate /usr/share/vboot/devkeys/kernel_data_key.vbprivk \
+		--version 1 \
+		--arch arm \
+		--config dummy_config \
+		--bootloader dummy_bootloader \
+		--vmlinuz u-boot-dtb.img
+}
+
+package() {
+	install -D -m644 "$builddir"/u-boot-dtb.img.kpart \
+		"$pkgdir"/usr/share/u-boot/google-snow/u-boot-dtb.img.kpart
+}
+
+sha512sums="
+d83c62bd8f0f51664d2aca329a3ce1379cfd1dfff439dccd6cfc2cb33cfef89a2b01855c97716f591b5550bfdf99e2f3aef7efa33f2e7834c820648f9eef3825  u-boot-2022.01.tar.bz2
+29378f89edc367f8ea2316ed04d0515398442f74bb29cda85f7cd9edc494707e6e27f1a0dd7cc3aa590fd683710b158da92a596b1b94ee4356d26a9a6c0bf27c  cve-2017-5715.patch
+af1095d82c905aab244845419e9b7bf009a043f3c223bb72c9748edea6093d7bd272dfc0eaf9b6b3882fad2e0cdf3652f6b1d81126f0e9f5fa73f13983577ead  fix-sd-card-detection.patch
+"
--- a/temp/u-boot-snow/cve-2017-5715.patch
+++ b/temp/u-boot-snow/cve-2017-5715.patch
@ -0,0 +1,11 @@
+From: jenneron <jenneron@protonmail.com>
+
+diff --git a/configs/snow_defconfig b/configs/snow_defconfig
+index e5bac37808..6d75307a6b 100644
+--- a/configs/snow_defconfig
+++ b/configs/snow_defconfig
+@@ -97,3 +97,4 @@ CONFIG_TPM=y
+ CONFIG_ERRNO_STR=y
+ CONFIG_UNIT_TEST=y
+ # CONFIG_UT_LIB_ASN1 is not set
+CONFIG_ARM_CORTEX_A15_CVE_2017_5715=y
--- a/temp/u-boot-snow/fix-sd-card-detection.patch
+++ b/temp/u-boot-snow/fix-sd-card-detection.patch
@ -0,0 +1,27 @@
+From: hexdump <hexdump0815@googlemail.com>
+
+adjusted according to the kernel timing in arch/arm/boot/dts/exynos5250-snow-common.dtsi
+
+        samsung,dw-mshc-ciu-div = <3>;
+        samsung,dw-mshc-sdr-timing = <2 3>;
+        samsung,dw-mshc-ddr-timing = <1 2>;
+
+resulting in 2 3 3 for sdr timing + div 3
+
+diff --git a/arch/arm/dts/exynos5250-snow.dts b/arch/arm/dts/exynos5250-snow.dts
+index e41f2d3041..67a2ec34d2 100644
+--- a/arch/arm/dts/exynos5250-snow.dts
+++ b/arch/arm/dts/exynos5250-snow.dts
+@@ -312,8 +312,11 @@
+ 
+ 	mmc@12220000 {
+ 		samsung,bus-width = <4>;
+-		samsung,timing = <1 2 3>;
+		samsung,timing = <2 3 3>;
+ 		samsung,removable = <1>;
+//		no-1-8-v;
+//		cap-sd-highspeed;
+//		card-detect-delay = <500>;
+ 	};
+ 
+ 	mmc@12230000 {