[Buildroot] [PATCH 1/2] configs: add Raspberry Pi Zero 2 W 64-bit defconfig

* [Buildroot] [PATCH 1/2] configs: add Raspberry Pi Zero 2 W 64-bit defconfig
@ 2024-08-08 12:39 Gaël PORTAY
  2024-08-08 12:39 ` [Buildroot] [PATCH 2/2] board/raspberrypi: reword console comment Gaël PORTAY
  2024-08-08 16:42 ` [Buildroot] [PATCH 1/2] configs: add Raspberry Pi Zero 2 W 64-bit defconfig Thomas Petazzoni via buildroot
  0 siblings, 2 replies; 5+ messages in thread
From: Gaël PORTAY @ 2024-08-08 12:39 UTC (permalink / raw)
  To: buildroot; +Cc: Gaël PORTAY, Martin Bark, Julien Grossholtz

This configuration builds an image for the Raspberry Pi Zero 2 W
(64-bit).

Signed-off-by: Gaël PORTAY <gael.portay@rtone.fr>
---
 board/raspberrypi/config_zero2w_64bit.txt | 32 +++++++++++++++
 board/raspberrypizero2w-64                |  1 +
 configs/raspberrypizero2w_64_defconfig    | 48 +++++++++++++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 board/raspberrypi/config_zero2w_64bit.txt
 create mode 120000 board/raspberrypizero2w-64
 create mode 100644 configs/raspberrypizero2w_64_defconfig

diff --git a/board/raspberrypi/config_zero2w_64bit.txt b/board/raspberrypi/config_zero2w_64bit.txt
new file mode 100644
index 0000000000..6672871125
--- /dev/null
+++ b/board/raspberrypi/config_zero2w_64bit.txt
@@ -0,0 +1,32 @@
+# 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=start.elf
+fixup_file=fixup.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
+
+# fixes rpi (3B, 3B+, 3A+, 4B and Zero W) ttyAMA0 serial console
+dtoverlay=miniuart-bt
+
+# enable autoprobing of Bluetooth driver without need of hciattach/btattach
+dtparam=krnbt=on
+
+# enable 64bits support
+arm_64bit=1
diff --git a/board/raspberrypizero2w-64 b/board/raspberrypizero2w-64
new file mode 120000
index 0000000000..fcdafc81ed
--- /dev/null
+++ b/board/raspberrypizero2w-64
@@ -0,0 +1 @@
+raspberrypi
\ No newline at end of file
diff --git a/configs/raspberrypizero2w_64_defconfig b/configs/raspberrypizero2w_64_defconfig
new file mode 100644
index 0000000000..7c36183a9f
--- /dev/null
+++ b/configs/raspberrypizero2w_64_defconfig
@@ -0,0 +1,48 @@
+BR2_aarch64=y
+BR2_cortex_a53=y
+BR2_ARM_FPU_VFPV4=y
+
+# patches
+BR2_GLOBAL_PATCH_DIR="board/raspberrypi/patches"
+BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
+
+# Linux headers same as kernel, a 6.6 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_6=y
+
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
+
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,raspberrypi,linux,576cc10e1ed50a9eacffc7a05c796051d7343ea4)/linux-576cc10e1ed50a9eacffc7a05c796051d7343ea4.tar.gz"
+BR2_LINUX_KERNEL_DEFCONFIG="bcmrpi3"
+
+# Build the DTB from the kernel sources
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="broadcom/bcm2710-rpi-zero-2-w"
+
+BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
+
+BR2_PACKAGE_RPI_FIRMWARE=y
+BR2_PACKAGE_RPI_FIRMWARE_BOOTCODE_BIN=y
+BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI=y
+BR2_PACKAGE_RPI_FIRMWARE_CONFIG_FILE="board/raspberrypizero2w-64/config_zero2w_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/raspberrypizero2w-64/post-build.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="board/raspberrypizero2w-64/post-image.sh"
+
+# Enable compressed kernel module support
+BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
+BR2_PACKAGE_KMOD_TOOLS=y
+BR2_PACKAGE_XZ=y
+BR2_PACKAGE_KMOD=y
+BR2_PACKAGE_HOST_KMOD_XZ=y
-- 
2.46.0

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