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bsp-guide: update guide to reflect newer beaglebone

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Update the section on describing the Beaglebone contents to reflect
the current content in the meta-yocto-bsp layer.

(From yocto-docs rev: 8ebcf1ea8e4add4045f643bde3bb48d5ff560497)

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
(cherry picked from commit bd5be9cc9d5aa7cca63877f3a22089c9dc02f135)
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Paul Barker <paul@pbarker.dev>
This commit is contained in:
Robert P. J. Day
2026-05-21 08:15:22 -04:00
committed by Paul Barker
parent 9ff4f7dd3a
commit b9e00fdea3
1 changed files with 14 additions and 22 deletions
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36
documentation/bsp-guide/bsp.rst
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@@ -1302,7 +1302,7 @@ to build, and U-Boot configurations.
The following list provides some explanation for the statements found in
the example reference machine configuration file for the BeagleBone
development boards. Realize that much more can be defined as part of a
development board. Realize that much more can be defined as part of a
machine's configuration file. In general, you can learn about related
variables that this example does not have by locating the variables in
the ":ref:`ref-manual/variables:variables glossary`" in the Yocto
@@ -1376,7 +1376,7 @@ Project Reference Manual.
- :term:`PREFERRED_VERSION_linux-yocto <PREFERRED_VERSION>`:
Defines the version of the recipe used to build the kernel, which is
"6.12" in this case.
"6.18%" in this case.
- :term:`KERNEL_IMAGETYPE`:
The type of kernel to build for the device. In this case, the
@@ -1435,35 +1435,27 @@ The kernel recipe used to build the kernel image for the BeagleBone
device was established in the machine configuration::
PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
PREFERRED_VERSION_linux-yocto ?= "6.1%"
PREFERRED_VERSION_linux-yocto ?= "6.18%"
The ``meta-yocto-bsp/recipes-kernel/linux`` directory in the layer contains
metadata used to build the kernel. In this case, a kernel append file
(i.e. ``linux-yocto_6.1.bbappend``) is used to override an established
kernel recipe (i.e. ``linux-yocto_6.1.bb``), which is located in
:yocto_git:`/poky/tree/meta/recipes-kernel/linux`.
(i.e. ``linux-yocto_6.18.bbappend``) is used to override an established
kernel recipe (i.e. ``linux-yocto_6.18.bb``), which is located in
:oe_git:`/openembedded-core/tree/meta/recipes-kernel/linux`.
The contents of the append file are::
KBRANCH:genericx86 = "v6.1/standard/base"
KBRANCH:genericx86-64 = "v6.1/standard/base"
KBRANCH:beaglebone-yocto = "v6.1/standard/beaglebone"
KMACHINE:genericx86 ?= "common-pc"
KMACHINE:genericx86-64 ?= "common-pc-64"
KMACHINE:beaglebone-yocto ?= "beaglebone"
SRCREV_machine:genericx86 ?= "6ec439b4b456ce929c4c07fe457b5d6a4b468e86"
SRCREV_machine:genericx86-64 ?= "6ec439b4b456ce929c4c07fe457b5d6a4b468e86"
SRCREV_machine:beaglebone-yocto ?= "423e1996694b61fbfc8ec3bf062fc6461d64fde1"
COMPATIBLE_MACHINE:genericarm64 = "genericarm64"
COMPATIBLE_MACHINE:beaglebone-yocto = "beaglebone-yocto"
COMPATIBLE_MACHINE:genericx86 = "genericx86"
COMPATIBLE_MACHINE:genericx86-64 = "genericx86-64"
COMPATIBLE_MACHINE:beaglebone-yocto = "beaglebone-yocto"
LINUX_VERSION:genericx86 = "6.1.30"
LINUX_VERSION:genericx86-64 = "6.1.30"
LINUX_VERSION:beaglebone-yocto = "6.1.20"
KMACHINE:beaglebone-yocto ?= "beaglebone"
KMACHINE:genericx86 ?= "common-pc"
KMACHINE:genericx86-64 ?= "common-pc-64"
KBRANCH:genericarm64 ?= "v6.18/standard/genericarm64"
SRCREV_machine:genericarm64 ?= "5cd75b0b5da06045acdd0c66e50656ab82cb880f"
This particular append file works for all the machines that are
part of the ``meta-yocto-bsp`` layer. The relevant statements are