diff mbox series

[RFC,2/3] configs: add raspberrypi 5 64-bit defconfig

Message ID 20231013180145.162565-3-gael.portay@rtone.fr
State Superseded
Headers show
Series Add support for Pi5 | expand

Commit Message

Gaël PORTAY Oct. 13, 2023, 6:01 p.m. UTC 
This configuration builds a 64-bit image for RaspberryPi 5.

Signed-off-by: Gaël PORTAY <gael.portay@rtone.fr>
---
 board/raspberrypi/config_5_64bit.txt | 30 ++++++++++++++++++++++
 board/raspberrypi/readme.txt         |  1 +
 board/raspberrypi5-64                |  1 +
 configs/raspberrypi5_64_defconfig    | 38 ++++++++++++++++++++++++++++
 4 files changed, 70 insertions(+)
 create mode 100644 board/raspberrypi/config_5_64bit.txt
 create mode 120000 board/raspberrypi5-64
 create mode 100644 configs/raspberrypi5_64_defconfig
diff mbox series

Patch

diff --git a/board/raspberrypi/config_5_64bit.txt b/board/raspberrypi/config_5_64bit.txt
new file mode 100644
index 0000000000..0511f2c400
--- /dev/null
+++ b/board/raspberrypi/config_5_64bit.txt
@@ -0,0 +1,30 @@ 
+# Please note that this is only a sample, we recommend you to change it to fit
+# your needs.
+# You should override this file using BR2_PACKAGE_RPI_FIRMWARE_CONFIG_FILE.
+# See http://buildroot.org/manual.html#rootfs-custom
+# and http://elinux.org/RPiconfig for a description of config.txt syntax
+
+start_file=start4.elf
+fixup_file=fixup4.dat
+
+kernel=Image
+
+# To use an external initramfs file
+#initramfs rootfs.cpio.gz
+
+# Disable overscan assuming the display supports displaying the full resolution
+# If the text shown on the screen disappears off the edge, comment this out
+disable_overscan=1
+
+# How much memory in MB to assign to the GPU on Pi models having
+# 256, 512 or 1024 MB total memory
+gpu_mem_256=100
+gpu_mem_512=100
+gpu_mem_1024=100
+
+dtoverlay=vc4-kms-v3d-pi5
+dtoverlay=imx219
+#dtoverlay=ov5647
+
+# enable 64bits support
+arm_64bit=1
diff --git a/board/raspberrypi/readme.txt b/board/raspberrypi/readme.txt
index c81fd801ae..f2af502251 100644
--- a/board/raspberrypi/readme.txt
+++ b/board/raspberrypi/readme.txt
@@ -90,6 +90,7 @@  After building, you should obtain this tree:
     +-- bcm2710-rpi-cm3.dtb         [1]
     +-- bcm2711-rpi-4-b.dtb         [1]
     +-- bcm2711-rpi-cm4.dtb         [1]
+    +-- bcm2712-rpi-5-b.dtb         [1]
     +-- bcm2837-rpi-3-b.dtb         [1]
     +-- boot.vfat
     +-- rootfs.ext4
diff --git a/board/raspberrypi5-64 b/board/raspberrypi5-64
new file mode 120000
index 0000000000..fcdafc81ed
--- /dev/null
+++ b/board/raspberrypi5-64
@@ -0,0 +1 @@ 
+raspberrypi
\ No newline at end of file
diff --git a/configs/raspberrypi5_64_defconfig b/configs/raspberrypi5_64_defconfig
new file mode 100644
index 0000000000..717082f215
--- /dev/null
+++ b/configs/raspberrypi5_64_defconfig
@@ -0,0 +1,38 @@ 
+BR2_aarch64=y
+BR2_cortex_a76_a55=y
+BR2_ARM_FPU_VFPV4=y
+
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
+
+BR2_SYSTEM_DHCP="eth0"
+
+# Linux headers same as kernel, a 6.1 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_1=y
+
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,raspberrypi,linux,feb4ea51e77af09c1a4c7c3e5dd33237750f95cd)/linux-feb4ea51e77af09c1a4c7c3e5dd33237750f95cd.tar.gz"
+BR2_LINUX_KERNEL_DEFCONFIG="bcm2712"
+
+# Build the DTB from the kernel sources
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="broadcom/bcm2712-rpi-5-b"
+
+BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
+
+BR2_PACKAGE_RPI_FIRMWARE=y
+BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI4=y
+BR2_PACKAGE_RPI_FIRMWARE_CONFIG_FILE="board/raspberrypi5-64/config_5_64bit.txt"
+
+# Required tools to create the SD image
+BR2_PACKAGE_HOST_DOSFSTOOLS=y
+BR2_PACKAGE_HOST_GENIMAGE=y
+BR2_PACKAGE_HOST_MTOOLS=y
+
+# 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/raspberrypi5-64/post-build.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="board/raspberrypi5-64/post-image.sh"