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bsp-guide: bsp.rst: update beaglebone example
(From yocto-docs rev: 8fb31b507c37d2c11e9dc98559bd7d145e1dce04) Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Richard Purdie
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@@ -1234,21 +1234,18 @@ There are one or more machine configuration files in the
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For example, the machine configuration file for the `BeagleBone and
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BeagleBone Black development boards <https://beagleboard.org/bone>`__ is
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located in the layer ``poky/meta-yocto-bsp/conf/machine`` and is named
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``beaglebone-yocto.conf``::
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located in :yocto_git:`poky/meta-yocto-bsp/conf/machine/beaglebone-yocto.conf
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</poky/tree/meta-yocto-bsp/conf/machine/beaglebone-yocto.conf>`::
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#@TYPE: Machine
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#@NAME: Beaglebone-yocto machine
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#@DESCRIPTION: Reference machine configuration for http://beagleboard.org/bone and http://beagleboard.org/black boards
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PREFERRED_PROVIDER_virtual/xserver ?= "xserver-xorg"
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XSERVER ?= "xserver-xorg \
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xf86-video-modesetting \
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"
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MACHINE_EXTRA_RRECOMMENDS = "kernel-modules kernel-devicetree"
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EXTRA_IMAGEDEPENDS += "u-boot"
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EXTRA_IMAGEDEPENDS += "virtual/bootloader"
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DEFAULTTUNE ?= "cortexa8hf-neon"
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include conf/machine/include/arm/armv7a/tune-cortexa8.inc
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@@ -1256,19 +1253,20 @@ located in the layer ``poky/meta-yocto-bsp/conf/machine`` and is named
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IMAGE_FSTYPES += "tar.bz2 jffs2 wic wic.bmap"
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EXTRA_IMAGECMD:jffs2 = "-lnp "
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WKS_FILE ?= "beaglebone-yocto.wks"
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IMAGE_INSTALL:append = " kernel-devicetree kernel-image-zimage"
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do_image_wic[depends] += "mtools-native:do_populate_sysroot dosfstools-native:do_populate_sysroot"
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MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "kernel-image kernel-devicetree"
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do_image_wic[depends] += "mtools-native:do_populate_sysroot dosfstools-native:do_populate_sysroot virtual/bootloader:do_deploy"
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SERIAL_CONSOLES ?= "115200;ttyS0 115200;ttyO0"
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SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
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SERIAL_CONSOLES ?= "115200;ttyS0 115200;ttyO0 115200;ttyAMA0"
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PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
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PREFERRED_VERSION_linux-yocto ?= "5.0%"
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PREFERRED_VERSION_linux-yocto ?= "6.1%"
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KERNEL_IMAGETYPE = "zImage"
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KERNEL_DEVICETREE = "am335x-bone.dtb am335x-boneblack.dtb am335x-bonegreen.dtb"
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KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT}"
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PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot"
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SPL_BINARY = "MLO"
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UBOOT_SUFFIX = "img"
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UBOOT_MACHINE = "am335x_evm_defconfig"
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@@ -1277,7 +1275,24 @@ located in the layer ``poky/meta-yocto-bsp/conf/machine`` and is named
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MACHINE_FEATURES = "usbgadget usbhost vfat alsa"
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IMAGE_BOOT_FILES ?= "u-boot.${UBOOT_SUFFIX} MLO zImage am335x-bone.dtb am335x-boneblack.dtb am335x-bonegreen.dtb"
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IMAGE_BOOT_FILES ?= "u-boot.${UBOOT_SUFFIX} ${SPL_BINARY} ${KERNEL_IMAGETYPE} ${KERNEL_DEVICETREE}"
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# support runqemu
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EXTRA_IMAGEDEPENDS += "qemu-native qemu-helper-native"
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IMAGE_CLASSES += "qemuboot"
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QB_DEFAULT_FSTYPE = "wic"
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QB_FSINFO = "wic:no-kernel-in-fs"
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QB_KERNEL_ROOT = "/dev/vda2"
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QB_SYSTEM_NAME = "qemu-system-arm"
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QB_MACHINE = "-machine virt"
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QB_CPU = "-cpu cortex-a15"
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QB_KERNEL_CMDLINE_APPEND = "console=ttyAMA0 systemd.mask=systemd-networkd"
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QB_OPT_APPEND = "-device virtio-rng-device"
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QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no"
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QB_NETWORK_DEVICE = "-device virtio-net-device,netdev=net0,mac=@MAC@"
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QB_ROOTFS_OPT = "-drive id=disk0,file=@ROOTFS@,if=none,format=raw -device virtio-blk-device,drive=disk0"
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QB_SERIAL_OPT = ""
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QB_TCPSERIAL_OPT = "-device virtio-serial-device -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1 -device virtconsole,chardev=virtcon"
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The variables used to configure the machine define machine-specific properties; for
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example, machine-dependent packages, machine tunings, the type of kernel
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@@ -1297,11 +1312,6 @@ Project Reference Manual.
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"virtual/xserver" is "xserver-xorg", available in
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``poky/meta/recipes-graphics/xorg-xserver``.
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- :term:`XSERVER`: The packages that
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should be installed to provide an X server and drivers for the
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machine. In this example, the "xserver-xorg" and
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"xf86-video-modesetting" are installed.
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- :term:`MACHINE_EXTRA_RRECOMMENDS`:
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A list of machine-dependent packages not essential for booting the
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image. Thus, the build does not fail if the packages do not exist.
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@@ -1319,12 +1329,15 @@ Project Reference Manual.
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needed in the root filesystem. In this case, the U-Boot recipe must
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be built for the image.
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At the end of the file, we also use this setings to implement
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``runqemu`` support on the host machine.
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- :term:`DEFAULTTUNE`: Machines
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use tunings to optimize machine, CPU, and application performance.
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These features, which are collectively known as "tuning features",
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are set in the :term:`OpenEmbedded-Core (OE-Core)` layer (e.g.
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``poky/meta/conf/machine/include``). In this example, the default
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tuning file is ``cortexa8hf-neon``.
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are set in the :term:`OpenEmbedded-Core (OE-Core)` layer. In this
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example, the default tuning file is :oe_git:`tune-cortexa8
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</openembedded-core/tree/meta/conf/machine/include/arm/armv7a/tune-cortexa8.inc>`.
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.. note::
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@@ -1344,13 +1357,7 @@ Project Reference Manual.
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- :term:`WKS_FILE`: The location of
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the :ref:`Wic kickstart <ref-manual/kickstart:openembedded kickstart (\`\`.wks\`\`) reference>` file used
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by the OpenEmbedded build system to create a partitioned image
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(image.wic).
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- :term:`IMAGE_INSTALL`:
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Specifies packages to install into an image through the
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:ref:`ref-classes-image` class. Recipes
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use the :term:`IMAGE_INSTALL` variable.
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by the OpenEmbedded build system to create a partitioned image.
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- ``do_image_wic[depends]``: A task that is constructed during the
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build. In this example, the task depends on specific tools in order
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@@ -1368,7 +1375,7 @@ Project Reference Manual.
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- :term:`PREFERRED_VERSION_linux-yocto <PREFERRED_VERSION>`:
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Defines the version of the recipe used to build the kernel, which is
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"5.0" in this case.
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"6.1" in this case.
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- :term:`KERNEL_IMAGETYPE`:
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The type of kernel to build for the device. In this case, the
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