| Message ID | 20170415113751.14317-1-gael.portay@savoirfairelinux.com |
|---|---|
| State | Superseded |
| Headers | show |
Hello, On Sat, 15 Apr 2017 07:37:51 -0400, Gaël PORTAY wrote: > This configuration builds a 64bit image for RaspberryPi 3. > > Signed-off-by: Gaël PORTAY <gael.portay@savoirfairelinux.com> > --- It looks good to me, but since Arnout had a look at the first version, I'll wait for his review. Thanks! Thomas
Hello, On Sun, Apr 16, 2017 at 10:50:42AM +0200, Thomas Petazzoni wrote: > Hello, > > On Sat, 15 Apr 2017 07:37:51 -0400, Gaël PORTAY wrote: > > This configuration builds a 64bit image for RaspberryPi 3. > > > > Signed-off-by: Gaël PORTAY <gael.portay@savoirfairelinux.com> > > --- > > It looks good to me, but since Arnout had a look at the first version, > I'll wait for his review. > > Thanks! > > Thomas > -- > Thomas Petazzoni, CTO, Free Electrons > Embedded Linux, Kernel and Android engineering > http://free-electrons.com > _______________________________________________ > buildroot mailing list > buildroot@busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot Thanks. Regards, Gaël
Gaël, Thanks for working on this. I was about to do this so you saved me a job :) On 15 April 2017 at 12:37, Gaël PORTAY <gael.portay@savoirfairelinux.com> wrote: > This configuration builds a 64bit image for RaspberryPi 3. > > Signed-off-by: Gaël PORTAY <gael.portay@savoirfairelinux.com> > --- > > Changes since v1: > - Symlink raspberrypi3-64 and update BR2_ROOTFS_POST_[BUILD|IMAGE]_SCRIPT > - Add BR2_cortex_a53 architecture > - Set BR2_TARGET_ROOTFS_EXT2_BLOCKS to 120000 > - Update kernel repository version > > board/raspberrypi/genimage-raspberrypi3-64.cfg | 31 +++++++++++++++++++++ > board/raspberrypi/post-image.sh | 20 ++++++++++++++ > board/raspberrypi3-64 | 1 + > configs/raspberrypi3_64_defconfig | 38 > ++++++++++++++++++++++++++ > 4 files changed, 90 insertions(+) > create mode 100644 board/raspberrypi/genimage-raspberrypi3-64.cfg > create mode 120000 board/raspberrypi3-64 > create mode 100644 configs/raspberrypi3_64_defconfig > > diff --git a/board/raspberrypi/genimage-raspberrypi3-64.cfg > b/board/raspberrypi/genimage-raspberrypi3-64.cfg > new file mode 100644 > index 000000000..c5f86527d > --- /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 b2bb07067..de972998b 100755 > --- a/board/raspberrypi/post-image.sh > +++ b/board/raspberrypi/post-image.sh > @@ -16,6 +16,26 @@ 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__ >> "${BINARIES_DIR}/rpi-firmware/ > config.txt" > + > +# enable rpi3 ttyS0 serial console > +enable_uart=1 > +__EOF__ > + fi > + ;; > esac > > rm -rf "${GENIMAGE_TMP}" > diff --git a/board/raspberrypi3-64 b/board/raspberrypi3-64 > new file mode 120000 > index 000000000..fcdafc81e > --- /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 000000000..f5839dc49 > --- /dev/null > +++ b/configs/raspberrypi3_64_defconfig > @@ -0,0 +1,38 @@ > +BR2_aarch64=y > +BR2_cortex_a53=y > The rpi3 has a VFPv4 floating point unit so i think we also need BR2_ARM_FPU_VFPV4=y Thanks Martin > + > +BR2_GCC_VERSION_6_X=y > +BR2_TOOLCHAIN_BUILDROOT_GLIBC=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="5e4ee836560d4c0371e109bf469e1a > d808ae7a44" > +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" > -- > 2.12.1 > > _______________________________________________ > buildroot mailing list > buildroot@busybox.net > http://lists.busybox.net/mailman/listinfo/buildroot
Martin, On Tue, Apr 18, 2017 at 11:42:58AM +0100, Martin Bark wrote: > Gaël, > > Thanks for working on this. I was about to do this so you saved me a job :) > > [snip] > > +++ b/configs/raspberrypi3_64_defconfig > > @@ -0,0 +1,38 @@ > > +BR2_aarch64=y > > +BR2_cortex_a53=y > > > > The rpi3 has a VFPv4 floating point unit so i think we also > need BR2_ARM_FPU_VFPV4=y > I am not able to find this information for Broadcom 2837 CPU. But I trust you and wikipedia [1]. Thanks! > Thanks > > Martin > Regards, Gaël [1] https://en.wikipedia.org/wiki/ARM_Cortex-A53
diff --git a/board/raspberrypi/genimage-raspberrypi3-64.cfg b/board/raspberrypi/genimage-raspberrypi3-64.cfg new file mode 100644 index 000000000..c5f86527d --- /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 b2bb07067..de972998b 100755 --- a/board/raspberrypi/post-image.sh +++ b/board/raspberrypi/post-image.sh @@ -16,6 +16,26 @@ 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__ >> "${BINARIES_DIR}/rpi-firmware/config.txt" + +# enable rpi3 ttyS0 serial console +enable_uart=1 +__EOF__ + fi + ;; esac rm -rf "${GENIMAGE_TMP}" diff --git a/board/raspberrypi3-64 b/board/raspberrypi3-64 new file mode 120000 index 000000000..fcdafc81e --- /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 000000000..f5839dc49 --- /dev/null +++ b/configs/raspberrypi3_64_defconfig @@ -0,0 +1,38 @@ +BR2_aarch64=y +BR2_cortex_a53=y + +BR2_GCC_VERSION_6_X=y +BR2_TOOLCHAIN_BUILDROOT_GLIBC=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"
This configuration builds a 64bit image for RaspberryPi 3. Signed-off-by: Gaël PORTAY <gael.portay@savoirfairelinux.com> --- Changes since v1: - Symlink raspberrypi3-64 and update BR2_ROOTFS_POST_[BUILD|IMAGE]_SCRIPT - Add BR2_cortex_a53 architecture - Set BR2_TARGET_ROOTFS_EXT2_BLOCKS to 120000 - Update kernel repository version board/raspberrypi/genimage-raspberrypi3-64.cfg | 31 +++++++++++++++++++++ board/raspberrypi/post-image.sh | 20 ++++++++++++++ board/raspberrypi3-64 | 1 + configs/raspberrypi3_64_defconfig | 38 ++++++++++++++++++++++++++ 4 files changed, 90 insertions(+) create mode 100644 board/raspberrypi/genimage-raspberrypi3-64.cfg create mode 120000 board/raspberrypi3-64 create mode 100644 configs/raspberrypi3_64_defconfig