initial proof-of-concept of Librem 5 support

.gitmodules

@@ -1,7 +1,7 @@
 [submodule "src/busybox"]
 	path = src/busybox
 	url = git://git.busybox.net/busybox
-[submodule "src/linux"]
-	path = src/linux
-	url = https://gitlab.com/pine64-org/linux.git
-	branch = pine64-kernel-5.5.y
+#[submodule "src/linux"]
+#	path = src/linux
+#	url = https://gitlab.com/pine64-org/linux.git
+#	branch = pine64-kernel-5.5.y

README.md

@@ -1,5 +1,16 @@
 # Jumpdrive
 
+## WIP: PoC Librem 5 support
+
+```
+make initramfs-purism-librem5.gz
+uuu src/purism-librem5.txt
+```
+
+Then turn your phone on in USB download mode by pressing power button while holding Vol+ button.
+
+## Original README:
+
 The swiss army knife of Pine64 devices (currently only Pinetab and PinePhone)
 
 You can use this to flash a image **directly to eMMC**, troubleshooting a broken system, and a lot more.

initramfs/init

@@ -40,6 +40,19 @@ if [ -n "$LED" ]; then
 	echo $TRIGGER > /sys/class/leds/$LED/trigger
 fi
 
+modprobe phy_fsl_imx8mq_usb
+modprobe dwc3
+modprobe udc_core
+modprobe xhci_hcd
+modprobe xhci_plat_hcd
+modprobe usb_storage
+modprobe tps6598x
+modprobe usb_f_mass_storage
+modprobe libcomposite
+
+# give it some time to initialize
+sleep 3
+
 # Create device nodes
 echo "Creating device nodes..."
 mknod /dev/null c 1 3
@@ -56,3 +69,4 @@ gzip -c -d splash.ppm.gz > /splash.ppm
 fbsplash -s /splash.ppm
 
 loop_forever
+