Moving from https://github.com/SolidHal/devsus/tree/hybrid_debian

.gitignore

@@ -0,0 +1,4 @@
+devuan-jessie-c201-libre-*GB.img
+linux-*
+open-ath9k-htc-firmware
+debian-stretch-c201-libre-*GB.img

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "chromeos-3.14"]
+	path = chromeos-3.14
+	url = https://chromium.googlesource.com/chromiumos/third_party/kernel

80disable-recommends

@@ -0,0 +1,2 @@
+APT::Install-Recommends "false";
+APT::AutoRemove::RecommendsImportant "false";

AUTHORS

@@ -0,0 +1 @@
+Dima Krasner ([email protected])

buildDebianFs.sh

@@ -0,0 +1,97 @@
+#!/bin/sh -xe
+
+# Build fs, image
+
+
+KVER=4.9.30
+
+outmnt=$(mktemp -d -p `pwd`)
+inmnt=$(mktemp -d -p `pwd`)
+
+outdev=/dev/loop6
+indev=/dev/loop7
+
+#A hacky way to ensure the loops are properly unmounted and the temp files are properly deleted.
+#Without this, a reboot is required to properly clean the loop devices and ensure a clean build 
+cleanuptwice() {
+  cleanup
+  cleanup
+
+}
+
+cleanup() {
+  set +e
+
+  umount -l $inmnt > /dev/null 2>&1
+  rmdir $inmnt > /dev/null 2>&1
+  losetup -d $indev > /dev/null 2>&1
+
+  umount -l $outmnt > /dev/null 2>&1
+  rmdir $outmnt > /dev/null 2>&1
+  losetup -d $outdev > /dev/null 2>&1
+}
+
+trap cleanuptwice INT TERM EXIT
+
+
+create_image() {
+  # it's a sparse file - that's how we fit a 16GB image inside a 2GB one
+  dd if=/dev/zero of=$1 bs=$3 count=$4 conv=sparse
+  parted --script $1 mklabel gpt
+  cgpt create $1
+  cgpt add -i 1 -t kernel -b 8192 -s 65536 -l Kernel -S 1 -T 5 -P 10 $1
+  start=$((8192 + 65536))
+  end=`cgpt show $1 | grep 'Sec GPT table' | awk '{print $1}'`
+  size=$(($end - $start))
+  cgpt add -i 2 -t data -b $start -s $size -l Root $1
+  # $size is in 512 byte blocks while ext4 uses a block size of 1024 bytes
+  losetup -P $2 $1
+  mkfs.ext4 -F -b 1024 -m 0 -O ^has_journal ${2}p2 $(($size / 2))
+
+  # mount the / partition
+  mount -o noatime ${2}p2 $5
+}
+
+# create a 2GB image with the Chrome OS partition layout
+create_image debian-stretch-c201-libre-2GB.img $outdev 50M 40 $outmnt
+
+# INCLUDES=apt-utils,libc6,libdebconfclient0,awk,libz2-1.0,libblzma5,libselinux1,tar,libtinfo5,zlib1g,udev,kmod,net-tools,traceroute,iproute2,isc-dhcp-client,wpasupplicant,iw,alsa-utils,cgpt,vim-tiny,less,psmisc,netcat-openbsd,ca-certificates,bzip2,xz-utils,unscd,lightdm,lightdm-gtk-greeter,xfce4,xorg,ifupdown,nano,wicd,wicd-curses
+
+# install Debian on it
+qemu-debootstrap --arch=armhf --foreign stretch --variant minbase --include=systemd,systemd-sysv,dbus $outmnt http://deb.debian.org/debian
+chroot $outmnt passwd -d root
+#echo -n debsus > $outmnt/etc/hostname
+#install -D -m 644 80disable-recommends $outmnt/etc/apt/apt.conf.d/80disable-recommends
+cp -f /etc/resolv.conf $outmnt/etc/
+chroot $outmnt apt update
+chroot $outmnt apt install -y udev kmod net-tools inetutils-ping traceroute iproute2 isc-dhcp-client wpasupplicant iw alsa-utils cgpt vim-tiny less psmisc netcat-openbsd ca-certificates bzip2 xz-utils unscd ifupdown nano apt-utils python python-urwid
+chroot $outmnt apt-get autoremove --purge
+chroot $outmnt apt-get clean
+chroot $outmnt apt-get install -d -y wicd-daemon wicd wicd-curses
+#sed -i s/^[3-6]/\#\&/g $outmnt/etc/inittab
+#sed -i s/'enable-cache            hosts   no'/'enable-cache            hosts   yes'/ -i $outmnt/etc/nscd.conf
+rm -f $outmnt/etc/resolv.conf
+
+# put the kernel in the kernel partition, modules in /lib/modules and AR9271
+# firmware in /lib/firmware
+dd if=linux-$KVER/vmlinux.kpart of=${outdev}p1 conv=notrunc
+make -C linux-$KVER ARCH=arm INSTALL_MOD_PATH=$outmnt modules_install
+rm -f $outmnt/lib/modules/3.14.0/{build,source}
+install -D -m 644 open-ath9k-htc-firmware/target_firmware/htc_9271.fw $outmnt/lib/firmware/htc_9271.fw
+
+# create a 16GB image
+create_image debian-stretch-c201-libre-16GB.img $indev 512 30785536 $inmnt
+
+# copy the kernel and / of the 2GB image to the 16GB one
+dd if=${outdev}p1 of=${indev}p1 conv=notrunc
+cp -a $outmnt/* $inmnt/
+
+umount -l $inmnt
+rmdir $inmnt
+losetup -d $indev
+
+# move the 16GB image inside the 2GB one
+cp -f debian-stretch-c201-libre-16GB.img $outmnt/
+echo "DONE!"
+cleanup
+

buildKernel.sh

@@ -0,0 +1,40 @@
+#!/bin/sh -xe
+
+#Build kenerl, wifi firmware
+
+
+KVER=4.9.30
+
+# build Linux-libre, with ath9k_htc, dwc2 from Chrome OS and without many useless drivers
+[ ! -f linux-libre-$KVER-gnu.tar.lz ] && wget https://www.linux-libre.fsfla.org/pub/linux-libre/releases/$KVER-gnu/linux-libre-$KVER-gnu.tar.lz
+[ ! -d linux-$KVER ] && tar --lzip -xvf linux-libre-$KVER-gnu.tar.lz
+cd linux-$KVER
+make clean
+make mrproper
+rm -rf drivers/usb/dwc2
+ln -s ../../../chromeos-3.14/drivers/usb/dwc2 drivers/usb/
+patch -p 1 < ../chromeos-dwc2-glue.patch
+# reset the minor version number, so out-of-tree drivers continue to work after
+# a kernel upgrade
+sed s/'SUBLEVEL = .*'/'SUBLEVEL = 0'/ -i Makefile
+cp ../config .config
+make -j `grep ^processor /proc/cpuinfo  | wc -l` CROSS_COMPILE=arm-none-eabi- ARCH=arm zImage modules dtbs
+[ ! -h kernel.its ] && ln -s ../kernel.its .
+mkimage -D "-I dts -O dtb -p 2048" -f kernel.its vmlinux.uimg
+dd if=/dev/zero of=bootloader.bin bs=512 count=1
+vbutil_kernel --pack vmlinux.kpart \
+              --version 1 \
+              --vmlinuz vmlinux.uimg \
+              --arch arm \
+              --keyblock /usr/share/vboot/devkeys/kernel.keyblock \
+              --signprivate /usr/share/vboot/devkeys/kernel_data_key.vbprivk \
+              --config ../cmdline \
+              --bootloader bootloader.bin
+cd ..
+
+# build AR9271 firmware
+[ ! -d open-ath9k-htc-firmware ] && git clone --depth 1 https://github.com/qca/open-ath9k-htc-firmware.git
+cd open-ath9k-htc-firmware
+make toolchain
+make -C target_firmware
+cd ..

chromeos-dwc2-glue.patch

@@ -0,0 +1,150 @@
+diff -rup linux-4.9.95-orig/arch/arm/boot/dts/rk3288.dtsi linux-4.9.95/arch/arm/boot/dts/rk3288.dtsi
+--- linux-4.9.95-orig/arch/arm/boot/dts/rk3288.dtsi	2018-04-20 09:21:08.000000000 +0300
++++ linux-4.9.95/arch/arm/boot/dts/rk3288.dtsi	2018-04-21 17:56:26.360024274 +0300
+@@ -582,6 +582,9 @@
+ 		dr_mode = "host";
+ 		phys = <&usbphy2>;
+ 		phy-names = "usb2-phy";
++		resets = <&cru SRST_USBHOST1_PHY>;
++		reset-names = "phy-full-reset";
++		snps,need-phy-full-reset-on-wake;
+ 		status = "disabled";
+ 	};
+
+diff -rup linux-4.9.95-orig/arch/arm/boot/dts/rk3288-veyron.dtsi linux-4.9.95/arch/arm/boot/dts/rk3288-veyron.dtsi
+--- linux-4.9.95-orig/arch/arm/boot/dts/rk3288-veyron.dtsi	2018-04-20 09:21:08.000000000 +0300
++++ linux-4.9.95/arch/arm/boot/dts/rk3288-veyron.dtsi	2018-04-21 17:47:25.796011427 +0300
+@@ -429,6 +429,7 @@
+
+ &usb_host1 {
+ 	status = "okay";
++	snps,need-phy-for-wake;
+ };
+
+ &usb_otg {
+@@ -437,6 +438,7 @@
+ 	assigned-clocks = <&cru SCLK_USBPHY480M_SRC>;
+ 	assigned-clock-parents = <&usbphy0>;
+ 	dr_mode = "host";
++	snps,need-phy-for-wake;
+ };
+
+ &vopb {
+diff -rup linux-4.9.95-orig/drivers/base/dd.c linux-4.9.95/drivers/base/dd.c
+--- linux-4.9.95-orig/drivers/base/dd.c	2018-04-20 09:21:08.000000000 +0300
++++ linux-4.9.95/drivers/base/dd.c	2018-04-21 13:01:30.280037034 +0300
+@@ -523,6 +523,9 @@ int driver_probe_device(struct device_dr
+
+ bool driver_allows_async_probing(struct device_driver *drv)
+ {
++	if (drv->async_probe)
++		return true;
++
+ 	switch (drv->probe_type) {
+ 	case PROBE_PREFER_ASYNCHRONOUS:
+ 		return true;
+diff -rup linux-4.9.95-orig/drivers/usb/common/common.c linux-4.9.95/drivers/usb/common/common.c
+--- linux-4.9.95-orig/drivers/usb/common/common.c	2018-04-20 09:21:08.000000000 +0300
++++ linux-4.9.95/drivers/usb/common/common.c	2018-04-21 13:36:51.184087441 +0300
+@@ -105,6 +105,30 @@ static const char *const usb_dr_modes[]
+ 	[USB_DR_MODE_OTG]		= "otg",
+ };
+
++/**
++ * of_usb_get_dr_mode - Get dual role mode for given device_node
++ * @np:	Pointer to the given device_node
++ *
++ * The function gets phy interface string from property 'dr_mode',
++ * and returns the correspondig enum usb_dr_mode
++ */
++enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
++{
++	const char *dr_mode;
++	int err, i;
++
++	err = of_property_read_string(np, "dr_mode", &dr_mode);
++	if (err < 0)
++		return USB_DR_MODE_UNKNOWN;
++
++	for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++)
++		if (!strcmp(dr_mode, usb_dr_modes[i]))
++			return i;
++
++	return USB_DR_MODE_UNKNOWN;
++}
++EXPORT_SYMBOL_GPL(of_usb_get_dr_mode);
++
+ static enum usb_dr_mode usb_get_dr_mode_from_string(const char *str)
+ {
+ 	int ret;
+diff -rup linux-4.9.95-orig/drivers/usb/core/hub.c linux-4.9.95/drivers/usb/core/hub.c
+--- linux-4.9.95-orig/drivers/usb/core/hub.c	2018-04-20 09:21:08.000000000 +0300
++++ linux-4.9.95/drivers/usb/core/hub.c	2018-04-21 17:58:20.456026986 +0300
+@@ -3063,13 +3063,14 @@ static int usb_disable_remote_wakeup(str
+ }
+
+ /* Count of wakeup-enabled devices at or below udev */
+-static unsigned wakeup_enabled_descendants(struct usb_device *udev)
++unsigned usb_wakeup_enabled_descendants(struct usb_device *udev)
+ {
+ 	struct usb_hub *hub = usb_hub_to_struct_hub(udev);
+
+ 	return udev->do_remote_wakeup +
+ 			(hub ? hub->wakeup_enabled_descendants : 0);
+ }
++EXPORT_SYMBOL_GPL(usb_wakeup_enabled_descendants);
+
+ /*
+  * usb_port_suspend - suspend a usb device's upstream port
+@@ -3178,7 +3179,7 @@ int usb_port_suspend(struct usb_device *
+ 	 * Therefore we will turn on the suspend feature if udev or any of its
+ 	 * descendants is enabled for remote wakeup.
+ 	 */
+-	else if (PMSG_IS_AUTO(msg) || wakeup_enabled_descendants(udev) > 0)
++	else if (PMSG_IS_AUTO(msg) || usb_wakeup_enabled_descendants(udev) > 0)
+ 		status = set_port_feature(hub->hdev, port1,
+ 				USB_PORT_FEAT_SUSPEND);
+ 	else {
+@@ -3581,7 +3582,7 @@ static int hub_suspend(struct usb_interf
+ 		}
+ 		if (udev)
+ 			hub->wakeup_enabled_descendants +=
+-					wakeup_enabled_descendants(udev);
++					usb_wakeup_enabled_descendants(udev);
+ 	}
+
+ 	if (hdev->do_remote_wakeup && hub->quirk_check_port_auto_suspend) {
+diff -rup linux-4.9.95-orig/include/linux/device.h linux-4.9.95/include/linux/device.h
+--- linux-4.9.95-orig/include/linux/device.h	2018-04-20 09:21:08.000000000 +0300
++++ linux-4.9.95/include/linux/device.h	2018-04-21 13:06:59.172044851 +0300
+@@ -270,6 +270,7 @@ struct device_driver {
+
+ 	bool suppress_bind_attrs;	/* disables bind/unbind via sysfs */
+ 	enum probe_type probe_type;
++	bool async_probe;
+
+ 	const struct of_device_id	*of_match_table;
+ 	const struct acpi_device_id	*acpi_match_table;
+diff -rup linux-4.9.95-orig/include/linux/of.h linux-4.9.95/include/linux/of.h
+--- linux-4.9.95-orig/include/linux/of.h	2018-04-20 09:21:08.000000000 +0300
++++ linux-4.9.95/include/linux/of.h	2018-04-21 18:03:18.492034069 +0300
+@@ -521,6 +521,8 @@ const char *of_prop_next_string(struct p
+
+ bool of_console_check(struct device_node *dn, char *name, int index);
+
++enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np);
++
+ #else /* CONFIG_OF */
+
+ static inline void of_core_init(void)
+diff -rup linux-4.9.95-orig/include/linux/usb/hcd.h linux-4.9.95/include/linux/usb/hcd.h
+--- linux-4.9.95-orig/include/linux/usb/hcd.h	2018-04-20 09:21:08.000000000 +0300
++++ linux-4.9.95/include/linux/usb/hcd.h	2018-04-21 18:02:33.620033003 +0300
+@@ -640,6 +640,7 @@ extern wait_queue_head_t usb_kill_urb_qu
+ #define usb_endpoint_out(ep_dir)	(!((ep_dir) & USB_DIR_IN))
+
+ #ifdef CONFIG_PM
++extern unsigned usb_wakeup_enabled_descendants(struct usb_device *udev);
+ extern void usb_root_hub_lost_power(struct usb_device *rhdev);
+ extern int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg);
+ extern int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg);

cmdline

@@ -0,0 +1 @@
+console=tty1 init=/sbin/init root=PARTUUID=%U/PARTNROFF=1 rootfstype=ext4 rootwait rw