diff --git a/board/raspberrypi/genimage-raspberrypi3-64.cfg b/board/raspberrypi/genimage-raspberrypi3-64.cfg new file mode 100644 index 0000000000..c5f86527d0 --- /dev/null +++ b/board/raspberrypi/genimage-raspberrypi3-64.cfg @@ -0,0 +1,31 @@ +image boot.vfat { + vfat { + files = { + "bcm2710-rpi-3-b.dtb", + "bcm2837-rpi-3-b.dtb", + "rpi-firmware/bootcode.bin", + "rpi-firmware/cmdline.txt", + "rpi-firmware/config.txt", + "rpi-firmware/fixup.dat", + "rpi-firmware/start.elf", + "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" + } +} diff --git a/board/raspberrypi/post-image.sh b/board/raspberrypi/post-image.sh index b2bb070678..de972998b0 100755 --- a/board/raspberrypi/post-image.sh +++ b/board/raspberrypi/post-image.sh @@ -13,6 +13,26 @@ case "${2}" in # fixes rpi3 ttyAMA0 serial console dtoverlay=pi3-miniuart-bt +__EOF__ + fi + ;; + --aarch64) + # Run a 64bits kernel (armv8) + sed -e '/^kernel=/s,=.*,=Image,' -i "${BINARIES_DIR}/rpi-firmware/config.txt" + if ! grep -qE '^arm_control=0x200' "${BINARIES_DIR}/rpi-firmware/config.txt"; then + cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt" + +# enable 64bits support +arm_control=0x200 +__EOF__ + fi + + # Enable uart console + if ! grep -qE '^enable_uart=1' "${BINARIES_DIR}/rpi-firmware/config.txt"; then + cat << __EOF__ >> "${BINARIES_DIR}/rpi-firmware/config.txt" + +# enable rpi3 ttyS0 serial console +enable_uart=1 __EOF__ fi ;; diff --git a/board/raspberrypi3-64 b/board/raspberrypi3-64 new file mode 120000 index 0000000000..fcdafc81ed --- /dev/null +++ b/board/raspberrypi3-64 @@ -0,0 +1 @@ +raspberrypi \ No newline at end of file diff --git a/configs/raspberrypi3_64_defconfig b/configs/raspberrypi3_64_defconfig new file mode 100644 index 0000000000..13a505b031 --- /dev/null +++ b/configs/raspberrypi3_64_defconfig @@ -0,0 +1,37 @@ +BR2_aarch64=y +BR2_cortex_a53=y +BR2_ARM_FPU_VFPV4=y + +BR2_TOOLCHAIN_BUILDROOT_CXX=y + +BR2_SYSTEM_DHCP="eth0" + +# Linux headers same as kernel, a 4.9 series +BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y + +BR2_LINUX_KERNEL=y +BR2_LINUX_KERNEL_CUSTOM_GIT=y +BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/raspberrypi/linux.git" +BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="5e4ee836560d4c0371e109bf469e1ad808ae7a44" +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-3-b broadcom/bcm2837-rpi-3-b" + +BR2_PACKAGE_RPI_FIRMWARE=y +# BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS is not set + +# 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_BLOCKS=120000 +# BR2_TARGET_ROOTFS_TAR is not set +BR2_ROOTFS_POST_BUILD_SCRIPT="board/raspberrypi3-64/post-build.sh" +BR2_ROOTFS_POST_IMAGE_SCRIPT="board/raspberrypi3-64/post-image.sh" +BR2_ROOTFS_POST_SCRIPT_ARGS="--aarch64"