Librem 5 support

.gitignore

@@ -6,13 +6,18 @@
 /dtbs
 /src/linux-rockchip
 /src/linux-sunxi
+/src/linux-librem5
 /src/busybox
 /src/u-boot
+/src/u-boot-librem5
 /src/arm-trusted-firmware
 /*.scr
 /*.dtb
 /*.img.xz
 /*.gz
 /*.bin
 /*.tar.bz2
+/*.tar.xz
+/*.lst
+/boot-purism-librem5.sh
 /splash/*.gz

Makefile

@@ -1,7 +1,7 @@
 CROSS_FLAGS = ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-
 CROSS_FLAGS_BOOT = CROSS_COMPILE=aarch64-linux-gnu-
 
-all: pine64-pinephone.img.xz pine64-pinetab.img.xz
+all: pine64-pinephone.img.xz pine64-pinetab.img.xz purism-librem5.tar.xz
 
 
 pine64-pinephone.img: fat-pine64-pinephone.img u-boot-sunxi-with-spl.bin
@@ -120,6 +120,18 @@ kernel-rockchip.gz: src/linux_config_rockchip src/linux-rockchip
 	@cp build/linux-rockchip/arch/arm64/boot/Image.gz $@
 	@cp build/linux-rockchip/arch/arm64/boot/dts/rockchip/*.dtb dtbs/rockchip/
 
+kernel-librem5.gz: src/linux_config_librem5 src/linux-librem5
+	@echo "MAKE  $@"
+	@mkdir -p build/linux-librem5
+	@mkdir -p dtbs/librem5
+	@cp src/linux_config_librem5 build/linux-librem5/.config
+	@$(MAKE) -C src/linux-librem5 O=../../build/linux-librem5 $(CROSS_FLAGS) olddefconfig
+	@$(MAKE) -C src/linux-librem5 O=../../build/linux-librem5 $(CROSS_FLAGS)
+	@cp build/linux-librem5/arch/arm64/boot/Image.gz $@
+	@cp build/linux-librem5/arch/arm64/boot/dts/freescale/imx8mq-librem5*.dtb dtbs/librem5/
+
+dtbs/librem5/imx8mq-librem5-r2.dtb: kernel-librem5.gz
+
 %.scr: src/%.txt
 	@echo "MKIMG $@"
 	@mkimage -A arm -O linux -T script -C none -n "U-Boot boot script" -d $< $@
@@ -150,6 +162,12 @@ u-boot-rk3399.bin: build/atf/rk3399/bl31.elf src/u-boot
 	@BL31=../../../build/atf/rk3399/bl31.elf $(MAKE) -C src/u-boot O=../../build/u-boot/rk3399 $(CROSS_FLAGS_BOOT) all
 	@cp build/u-boot/rk3399/u-boot "$@"
 
+u-boot-librem5.bin: src/u-boot-librem5
+	@echo "MAKE  $@"
+	@mkdir -p build/u-boot/librem5
+	@cd build/u-boot/librem5 && ../../../src/u-boot-librem5/build_uboot.sh -b librem5
+	@cp build/u-boot/librem5/output/uboot-librem5/u-boot-librem5.imx $@
+
 src/linux-rockchip:
 	@echo "WGET  linux-rockchip"
 	@mkdir src/linux-rockchip
@@ -162,6 +180,12 @@ src/linux-sunxi:
 	@wget https://github.com/megous/linux/archive/orange-pi-5.9-20201019-1553.tar.gz
 	@tar -xvf orange-pi-5.9-20201019-1553.tar.gz --strip-components 1 -C src/linux-sunxi
 
+src/linux-librem5:
+	@echo "WGET linux-librem5"
+	@mkdir src/linux-librem5
+	@wget -c https://source.puri.sm/Librem5/linux-next/-/archive/pureos/5.9.16+librem5.2/linux-next-pureos-5.9.16+librem5.2.tar.gz
+	@tar -xvf linux-next-pureos-5.9.16+librem5.2.tar.gz --strip-components 1 -C src/linux-librem5
+
 src/arm-trusted-firmware:
 	@echo "WGET  arm-trusted-firmware"
 	@mkdir src/arm-trusted-firmware
@@ -175,25 +199,43 @@ src/u-boot:
 	@tar -xvf u-boot-2020.04.tar.bz2 --strip-components 1 -C src/u-boot
 	@cd src/u-boot && patch -p1 < ../u-boot-pinephone.patch
 
+src/u-boot-librem5:
+	@echo "WGET  u-boot-librem5"
+	@mkdir src/u-boot-librem5
+	@wget https://source.puri.sm/Librem5/u-boot-builder/-/archive/3b1c7d957f46c87c6cdd71cd8dab7c84aca26570/u-boot-builder-3b1c7d957f46c87c6cdd71cd8dab7c84aca26570.tar.gz
+	@tar -xvf u-boot-builder-3b1c7d957f46c87c6cdd71cd8dab7c84aca26570.tar.gz --strip-components 1 -C src/u-boot-librem5
+
 src/busybox:
 	@echo "WGET  busybox"
 	@mkdir src/busybox
 	@wget https://www.busybox.net/downloads/busybox-1.32.0.tar.bz2
 	@tar -xvf busybox-1.32.0.tar.bz2 --strip-components 1 -C src/busybox
 
-.PHONY: clean cleanfast
+.PHONY: clean cleanfast purism-librem5
+
+purism-librem5: initramfs-purism-librem5.gz kernel-librem5.gz u-boot-librem5.bin src/purism-librem5.txt dtbs/librem5/imx8mq-librem5-r2.dtb
+	cp src/boot-purism-librem5.sh boot-purism-librem5.sh
+	cp src/purism-librem5.txt purism-librem5.lst
+	@echo 'All done! Switch your phone into flashing mode and run Jumpdrive with `./boot-purism-librem5.sh`'
+
+purism-librem5.tar.xz: purism-librem5
+	@echo "XZ    librem5 files"
+	@tar cJf $@ initramfs-purism-librem5.gz kernel-librem5.gz u-boot-librem5.bin purism-librem5.lst dtbs/librem5/imx8mq-librem5-r2.dtb boot-purism-librem5.sh
 
 cleanfast:
 	@rm -rvf build
 	@rm -rvf initramfs-*/
 	@rm -vf *.img
 	@rm -vf *.img.xz
+	@rm -vf *.tar.xz
 	@rm -vf *.apk
 	@rm -vf *.bin
 	@rm -vf *.cpio
 	@rm -vf *.gz
 	@rm -vf *.scr
 	@rm -vf splash/*.gz
+	@rm -vf *.lst
+	@rm -vf boot-purism-librem5.sh
 
 clean: cleanfast
 	@rm -vf kernel*.gz

README.md

@@ -29,6 +29,10 @@ The dependencies are:
 - u-boot tools
 - mtools
 
+Additional dependencies for the Purism Librem 5:
+- arm-none-eabi- toolchain
+- uuu
+
 ```shell-session
 $ git submodule update --init --recursive
 Downloads the projects to build

initramfs/init

@@ -40,6 +40,11 @@ if [ -n "$LED" ]; then
 	echo $TRIGGER > /sys/class/leds/$LED/trigger
 fi
 
+if [ -n "$SLEEP" ]; then
+  echo "Waiting for hardware to initialize..."
+  sleep $SLEEP
+fi
+
 # Create device nodes
 echo "Creating device nodes..."
 mknod /dev/null c 1 3

initramfs/init_functions.sh

@@ -28,10 +28,10 @@ setup_usb_configfs() {
 	mkdir $CONFIGFS/g1/strings/0x409 || echo "  Couldn't create $CONFIGFS/g1/strings/0x409"
 
 	# shellcheck disable=SC2154
-	echo "Pine64" > "$CONFIGFS/g1/strings/0x409/manufacturer"
+	echo "$MANUFACTURER" > "$CONFIGFS/g1/strings/0x409/manufacturer"
 	echo "$usb_serialnumber"        > "$CONFIGFS/g1/strings/0x409/serialnumber"
 	# shellcheck disable=SC2154
-	echo "PinePhone"         > "$CONFIGFS/g1/strings/0x409/product"
+	echo "$PRODUCT"         > "$CONFIGFS/g1/strings/0x409/product"
 
 	# Create rndis/mass_storage function
 	mkdir $CONFIGFS/g1/functions/"$usb_rndis_function" \

src/boot-purism-librem5.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+uuu purism-librem5.lst

src/info-pine64-pinebookpro.sh

@@ -1,2 +1,4 @@
 PLATFORM=pine64-pinebookpro
+MANUFACTURER=Pine64
+PRODUCT="Pinebook Pro"
 EMMC=/dev/mmcblk2

src/info-pine64-pinephone.sh

@@ -1,4 +1,6 @@
 PLATFORM=pine64-pinephone
+MANUFACTURER=Pine64
+PRODUCT=PinePhone
 EMMC=/dev/mmcblk2
 SD=/dev/mmcblk0
 LED=pinephone\:red\:user

src/info-pine64-pinetab.sh

@@ -1,4 +1,6 @@
 PLATFORM=pine64-pinetab
+MANUFACTURER=Pine64
+PRODUCT=PineTab
 EMMC=/dev/mmcblk2
 SD=/dev/mmcblk0
 SERIAL_CON=ttyS0

src/info-purism-librem5.sh

@@ -0,0 +1,11 @@
+PLATFORM=purism-librem5
+MANUFACTURER=Purism
+PRODUCT="Librem 5"
+EMMC=/dev/mmcblk0
+SD=/dev/sda
+LED=green:status
+TRIGGER=mmc0
+ERRORLINES=80
+SERIAL_CON=ttymxc0
+SERIAL_BAUD=115200
+SLEEP=3