labsi: use custom kernel (works) + update rpi BL configs

configs/labsi-rpi4/config.inc.sh

@@ -7,12 +7,17 @@ KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:-"bcm2711_defconfig"}
 UBOOT_DEFCONFIG=${UBOOT_DEFCONFIG:-"rpi_4_defconfig"}
 
 RPI_FIRMWARE_FILES=(start4.elf fixup4.dat bcm2711-rpi-4-b.dtb
-	overlays/overlay_map.dtb overlays/hat_map.dtb overlays/dwc2.dtbo overlays/disable-bt.dtbo)
+	overlays/overlay_map.dtb overlays/hat_map.dtb overlays/upstream-pi4.dtbo
+	overlays/dwc2.dtbo overlays/disable-bt.dtbo)
 
-EXTRA_PACKAGES=(raspi-firmware linux-image-generic linux-headers-generic linux-libc-dev)
-
-SKIP_BOOT_FILES=y
 RPI_SKIP_IMAGE_GEN=1
+LABSI_USE_COMPILED_KERNEL=1
+if [[ -n "LABSI_USE_COMPILED_KERNEL" ]]; then
+	EXTRA_PACKAGES=()
+else
+	EXTRA_PACKAGES=(raspi-firmware linux-image-generic linux-headers-generic linux-libc-dev)
+	SKIP_BOOT_FILES=y
+fi
 
 function rootfs_install_hook() {
 	# copy custom install scripts to exec. dir

configs/labsi-rpi4/files/boot/cmdline.txt

@@ -1 +1 @@
-earlycon=pl011,mmio32,0xfe201000 console=serial0,115200 root=LABEL=RPI_ROOTFS rw rootwait
+earlycon=pl011,mmio32,0xfe201000 console=tty1 console=serial0,115200 root=/dev/mmcblk0p2 rw rootwait fsck.repair=yes

configs/labsi-rpi4/files/boot/config.txt

@@ -6,15 +6,14 @@ disable_overscan=1
 disable_splash=1
 
 # Use DesignWare Core 2 (SoC's USB 2.0 controller) for Linux OTG support
+dtoverlay=upstream-pi4
 dtoverlay=dwc2
 
 # Next stage config (run U-Boot)
 arm_64bit=1
 kernel=u-boot.bin
 enable_uart=1
 uart_2ndstage=1
-# Not usable on latest firmware
-#dtoverlay=disable-bt
 
 # include extra config, if any
 include extraconfig.txt

rootfs-install/files/initramfs/rpi-post-update-hook

@@ -36,7 +36,7 @@ function download_firmware_files() {
 			# absolute path, copy it
 			cp -f "$file" "$1/$(basename "$file")"
 		else
-			# download the latest rpi firmware files (debian repo is outdated)
+			mkdir -p "$1/$(dirname "$file")"
 			wget "https://github.com/raspberrypi/firmware/raw/master/boot/$file" \
 				-O "$1/$file"
 		fi