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board/raspberrypi: add Compute Module 4/IO Board support (64 Bit) 

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
2021.08.x
Peter Seiderer 2021-05-19 23:51:15 +02:00 committed by Yann E. MORIN
parent 2fb6962bf0
commit 46f01da8a4
4 changed files with 76 additions and 0 deletions
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30
board/raspberrypi/genimage-raspberrypicm4io-64.cfg 100644
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@ -0,0 +1,30 @@
image boot.vfat {
vfat {
files = {
"bcm2711-rpi-cm4.dtb",
"rpi-firmware/cmdline.txt",
"rpi-firmware/config.txt",
"rpi-firmware/fixup.dat",
"rpi-firmware/start.elf",
"rpi-firmware/overlays",
"Image"
}
}
size = 32M
}
image sdcard.img {
hdimage {
}
partition boot {
partition-type = 0xC
bootable = "true"
image = "boot.vfat"
}
partition rootfs {
partition-type = 0x83
image = "rootfs.ext4"
}
}

4
board/raspberrypi/readme.txt
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@ -52,6 +52,10 @@ For model CM4 (on IO Board):
$ make raspberrypicm4io_defconfig
or for CM4 (on IO Board - 64 bit):
$ make raspberrypicm4io_64_defconfig
Build the rootfs
----------------

1
board/raspberrypicm4io-64 120000
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raspberrypi

41
configs/raspberrypicm4io_64_defconfig 100644
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BR2_aarch64=y
BR2_cortex_a72=y
BR2_ARM_FPU_VFPV4=y
BR2_TOOLCHAIN_BUILDROOT_CXX=y
BR2_SYSTEM_DHCP="eth0"
# Linux headers same as kernel, a 5.10 series
BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,raspberrypi,linux,b657cd2f27d9171b75c846f21e7b4bb581b3ed29)/linux-b657cd2f27d9171b75c846f21e7b4bb581b3ed29.tar.gz"
BR2_LINUX_KERNEL_DEFCONFIG="bcm2711"
# Build the DTB from the kernel sources
BR2_LINUX_KERNEL_DTS_SUPPORT=y
BR2_LINUX_KERNEL_INTREE_DTS_NAME="broadcom/bcm2711-rpi-cm4"
BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
BR2_PACKAGE_RPI_FIRMWARE=y
BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI4=y
# Required tools to create the SD image
BR2_PACKAGE_HOST_DOSFSTOOLS=y
BR2_PACKAGE_HOST_GENIMAGE=y
BR2_PACKAGE_HOST_MTOOLS=y
# Required tool to flash CM4 eMMC memory
BR2_PACKAGE_HOST_RASPBERRYPI_USBBOOT
# Filesystem / image
BR2_TARGET_ROOTFS_EXT2=y
BR2_TARGET_ROOTFS_EXT2_4=y
BR2_TARGET_ROOTFS_EXT2_SIZE="120M"
# BR2_TARGET_ROOTFS_TAR is not set
BR2_ROOTFS_POST_BUILD_SCRIPT="board/raspberrypicm4io-64/post-build.sh"
BR2_ROOTFS_POST_IMAGE_SCRIPT="board/raspberrypicm4io-64/post-image.sh"
BR2_ROOTFS_POST_SCRIPT_ARGS="--add-miniuart-bt-overlay --aarch64"