Add support for a ARMv8 machine supporting multiple Raspberry Pi boards

The new raspberrypi-armv8.conf aims at supporting all the ARMv8
Raspberry Pi boards.

This initial support was tested on:
* Raspberry Pi 4 Model B
* Raspberry Pi 3 Model B
* Raspberry Pi 0 2 WiFi

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

conf/machine/raspberrypi-armv8.conf

@@ -0,0 +1,43 @@
+# SPDX-FileCopyrightText: Andrei Gherzan <andrei.gherzan@huawei.com>
+#
+# SPDX-License-Identifier: MIT
+
+#@TYPE: Machine
+#@NAME: RaspberryPi Development Boards (64bit)
+#@DESCRIPTION: Machine configuration for the RaspberryPi boards in 64 bit mode
+
+require conf/machine/include/arm/armv8a/tune-cortexa53.inc
+include conf/machine/include/rpi-base.inc
+
+MACHINE_FEATURES += "pci"
+MACHINE_EXTRA_RRECOMMENDS += "\
+    linux-firmware-rpidistro-bcm43430 \
+    linux-firmware-rpidistro-bcm43455 \
+    linux-firmware-rpidistro-bcm43456 \
+    linux-firmware-rpidistro-bcm43436 \
+    linux-firmware-rpidistro-bcm43436s \
+    bluez-firmware-rpidistro-bcm43430a1-hcd \
+    bluez-firmware-rpidistro-bcm43430b0-hcd \
+    bluez-firmware-rpidistro-bcm4345c0-hcd \
+    bluez-firmware-rpidistro-bcm4345c5-hcd \
+"
+
+RPI_KERNEL_DEVICETREE = " \
+    broadcom/bcm2710-rpi-3-b.dtb \
+    broadcom/bcm2710-rpi-3-b-plus.dtb \
+    broadcom/bcm2837-rpi-3-b.dtb \
+    broadcom/bcm2710-rpi-cm3.dtb \
+    broadcom/bcm2710-rpi-zero-2.dtb \
+    broadcom/bcm2711-rpi-4-b.dtb \
+    broadcom/bcm2711-rpi-400.dtb \
+    broadcom/bcm2711-rpi-cm4.dtb \
+"
+
+SDIMG_KERNELIMAGE ?= "kernel8.img"
+KERNEL_IMAGETYPE_UBOOT ?= "Image"
+KERNEL_IMAGETYPE_DIRECT ?= "Image"
+KERNEL_BOOTCMD ?= "booti"
+UBOOT_MACHINE = "rpi_arm64_config"
+SERIAL_CONSOLES ?= "115200;ttyS0"
+
+VC4DTBO ?= "vc4-fkms-v3d"

docs/layer-contents.md

@@ -32,6 +32,12 @@ This machine targets support for all the ARMv7-based Raspberry Pi boards. It
 will pull in the firmware and deploy the kernel image and kernel modules for
 all the relevant boards.
 
+### raspberrypi-armv8
+
+This machine targets support for all the ARMv8-based Raspberry Pi boards. It
+will pull in the firmware and deploy the kernel image and kernel modules for
+all the relevant boards.
+
 ## Images
 
 * rpi-test-image

recipes-kernel/linux/linux-raspberrypi.inc

@@ -27,6 +27,7 @@ KBUILD_DEFCONFIG:raspberrypi3-64 ?= "bcmrpi3_defconfig"
 KBUILD_DEFCONFIG:raspberrypi4 ?= "bcm2711_defconfig"
 KBUILD_DEFCONFIG:raspberrypi4-64 ?= "bcm2711_defconfig"
 KBUILD_DEFCONFIG:raspberrypi-armv7 ?= "bcm2711_defconfig"
+KBUILD_DEFCONFIG:raspberrypi-armv8 ?= "bcm2711_defconfig"
 
 LINUX_VERSION_EXTENSION ?= ""