BR2_aarch64=y
BR2_cortex_a72=y
BR2_ARM_FPU_VFPV4=y

# patches
BR2_GLOBAL_PATCH_DIR="board/raspberrypi/patches"
BR2_DOWNLOAD_FORCE_CHECK_HASHES=y

BR2_SYSTEM_DHCP="eth0"

# 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="bcm2711"
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
BR2_PACKAGE_RPI_FIRMWARE_CONFIG_FILE="board/raspberrypicm4io-64/config_cm4io_64bit.txt"

# 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=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/raspberrypicm4io-64/post-build.sh"
BR2_ROOTFS_POST_IMAGE_SCRIPT="board/raspberrypicm4io-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