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Add support for a ARMv7 machine supporting multiple Raspberry Pi boards

Browse Source 
The new raspberrypi-armv7.conf aims at supporting all the ARMv7
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>
This commit is contained in:
Andrei Gherzan 2022-09-08 20:23:26 +02:00 committed by Andrei Gherzan
parent f24c3bdc3c
commit 10b649bdb0
8 changed files with 94 additions and 0 deletions
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1
conf/machine/include/rpi-default-versions.inc
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@ -1,3 +1,4 @@
# RaspberryPi BSP default versions
PREFERRED_VERSION_linux-raspberrypi ??= "5.15.%"
PREFERRED_VERSION_linux-raspberrypi-v7 ??= "${PREFERRED_VERSION_linux-raspberrypi}"

39
conf/machine/raspberrypi-armv7.conf Normal file
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@ -0,0 +1,39 @@
# SPDX-FileCopyrightText: Andrei Gherzan <andrei.gherzan@huawei.com>
#
# SPDX-License-Identifier: MIT
#@TYPE: Machine
#@NAME: RaspberryPi Development Boards (32bit)
#@DESCRIPTION: Machine configuration for the RaspberryPi boards in 32 bit mode
DEFAULTTUNE ?= "cortexa7thf-neon-vfpv4"
require conf/machine/include/arm/armv7a/tune-cortexa7.inc
include conf/machine/include/rpi-base.inc
# This machine includes by default the kernel for v7l. We hook in support for
# v7.
RASPBERRYPI_v7_KERNEL = "linux-raspberrypi-v7"
RASPBERRYPI_v7_KERNEL_PACKAGE_NAME = "kernel-v7"
RASPBERRYPI_v7_KERNEL_FILE ?= "kernel7.img"
# We don't need a lot for v7l because it is the default provider,
# virtual/kernel.
RASPBERRYPI_v7l_KERNEL_FILE ?= "kernel7l.img"
MACHINE_FEATURES += "pci"
MACHINE_EXTRA_RRECOMMENDS += "\
linux-firmware-rpidistro-bcm43430 \
linux-firmware-rpidistro-bcm43436 \
linux-firmware-rpidistro-bcm43436s \
linux-firmware-rpidistro-bcm43455 \
linux-firmware-rpidistro-bcm43456 \
bluez-firmware-rpidistro-bcm43430a1-hcd \
bluez-firmware-rpidistro-bcm43430b0-hcd \
bluez-firmware-rpidistro-bcm4345c0-hcd \
bluez-firmware-rpidistro-bcm4345c5-hcd \
"
# FIXME: This machine doesn't support u-boot (yet)
RPI_EXTRA_IMAGE_BOOT_FILES = " \
${KERNEL_IMAGETYPE};${RASPBERRYPI_v7l_KERNEL_FILE} \
${RASPBERRYPI_v7_KERNEL_PACKAGE_NAME}/${KERNEL_IMAGETYPE};${RASPBERRYPI_v7_KERNEL_FILE} \
"

16
docs/layer-contents.md
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@ -16,6 +16,22 @@
Note: The raspberrypi3 machines include support for Raspberry Pi 3B+.
## Multi-board Machines
This layer generally provides support for machines that are targetting a single
Raspberry Pi board (or a very few subsets of them). This is so that the build
infrastructure can tune and tweak the configuration with the flexibility to
optimise for both runtime performance and disk storage.
For usecases where compatibility of more boards is required, the layer provides
machines that are tagetting a wider support of Raspberry Pi boards.
### raspberrypi-armv7
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.
## Images
* rpi-test-image

13
recipes-kernel/linux/linux-raspberrypi-v7.inc Normal file
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@ -0,0 +1,13 @@
# SPDX-FileCopyrightText: Andrei Gherzan <andrei.gherzan@huawei.com>
#
# SPDX-License-Identifier: MIT
KBUILD_DEFCONFIG:raspberrypi-armv7 = "bcm2709_defconfig"
KERNEL_PACKAGE_NAME = "${RASPBERRYPI_v7_KERNEL_PACKAGE_NAME}"
PROVIDES:remove = "virtual/kernel"
KERNEL_IMAGETYPE_DIRECT ?= "zImage"
COMPATIBLE_MACHINE = "^raspberrypi-armv7$"
KERNEL_DEVICETREE = ""

6
recipes-kernel/linux/linux-raspberrypi-v7_5.10.bb Normal file
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@ -0,0 +1,6 @@
# SPDX-FileCopyrightText: Andrei Gherzan <andrei.gherzan@huawei.com>
#
# SPDX-License-Identifier: MIT
require linux-raspberrypi-v7.inc
require linux-raspberrypi_5.10.bb

6
recipes-kernel/linux/linux-raspberrypi-v7_5.15.bb Normal file
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@ -0,0 +1,6 @@
# SPDX-FileCopyrightText: Andrei Gherzan <andrei.gherzan@huawei.com>
#
# SPDX-License-Identifier: MIT
require linux-raspberrypi-v7.inc
require linux-raspberrypi_5.15.bb

1
recipes-kernel/linux/linux-raspberrypi.inc
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@ -26,6 +26,7 @@ KBUILD_DEFCONFIG:raspberrypi3 ?= "bcm2709_defconfig"
KBUILD_DEFCONFIG:raspberrypi3-64 ?= "bcmrpi3_defconfig"
KBUILD_DEFCONFIG:raspberrypi4 ?= "bcm2711_defconfig"
KBUILD_DEFCONFIG:raspberrypi4-64 ?= "bcm2711_defconfig"
KBUILD_DEFCONFIG:raspberrypi-armv7 ?= "bcm2711_defconfig"
LINUX_VERSION_EXTENSION ?= ""

12
recipes-kernel/linux/linux-raspberrypi_5.15.bb
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@ -17,3 +17,15 @@ SRC_URI = " \
require linux-raspberrypi.inc
KERNEL_DTC_FLAGS += "-@ -H epapr"
RDEPENDS:${KERNEL_PACKAGE_NAME}:raspberrypi-armv7:append = " ${RASPBERRYPI_v7_KERNEL_PACKAGE_NAME}"
RDEPENDS:${KERNEL_PACKAGE_NAME}-base:raspberrypi-armv7:append = " ${RASPBERRYPI_v7_KERNEL_PACKAGE_NAME}-base"
RDEPENDS:${KERNEL_PACKAGE_NAME}-image:raspberrypi-armv7:append = " ${RASPBERRYPI_v7_KERNEL_PACKAGE_NAME}-image"
RDEPENDS:${KERNEL_PACKAGE_NAME}-dev:raspberrypi-armv7:append = " ${RASPBERRYPI_v7_KERNEL_PACKAGE_NAME}-dev"
RDEPENDS:${KERNEL_PACKAGE_NAME}-vmlinux:raspberrypi-armv7:append = " ${RASPBERRYPI_v7_KERNEL_PACKAGE_NAME}-vmlinux"
RDEPENDS:${KERNEL_PACKAGE_NAME}-modules:raspberrypi-armv7:append = " ${RASPBERRYPI_v7_KERNEL_PACKAGE_NAME}-modules"
RDEPENDS:${KERNEL_PACKAGE_NAME}-dbg:raspberrypi-armv7:append = " ${RASPBERRYPI_v7_KERNEL_PACKAGE_NAME}-dbg"
DEPLOYDEP = ""
DEPLOYDEP:raspberrypi-armv7 = "${RASPBERRYPI_v7_KERNEL}:do_deploy"
do_deploy[depends] += "${DEPLOYDEP}"