| Commit message (Collapse) | Author | Age | Files | Lines |
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Without this commit the configuration node includes the compatible
line 'compatible = [00];' if EXTERNAL_KERNEL_DEVICETREE is not
defined, i.e. if PREFERRED_PROVIDER_virtual/dtb is not used.
This prevents u-boot from using this configuration and it prints the
message "Could not find configuration node".
An additional check also ensures that the written compatible line
never contains an empty compatible.
The functionality to add the compatible line was added in commit
f4c82fb6da89 ("kernel-fitImage: add machine compatible to config
section").
(From OE-Core rev: f8f3a52b2f924789552e6a3f889162ff07e0887f)
Signed-off-by: Christian Taedcke <christian.taedcke@weidmueller.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Machines that have added subdirectires to the KERNEL_DEVICETREE
recently, such as arm32 boards that were moved under subdirectories in
Linux 6.5, will have that subdirectory in the node name of the FIT. This
breaks existing systems that select a configuration in u-boot by it's
name.
Strip off the directory component from the device tree to preserve
compatibility.
(From OE-Core rev: 941ba1a132bafa9c9be855fb91fec96d8b06299f)
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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to allow bootloaders to select best matching configuration based
on compatible string.
(From OE-Core rev: f4c82fb6da89359679c52318a8ebab7295c233e8)
Signed-off-by: Denis OSTERLAND-HEIM <denis.osterland@diehl.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The default value of address-cells is "1", so the generated "its" file
only supports 32bits address for kernel FIT image.
However, some platforms may want to support 64bits address
of UBOOT_LOADADDRESS and UBOOT_ENTRYPOINT.
Therefore, adds a variable to support both 64bits and 32bits address cells.
By default, the address-cell is "1" which is used for 32bits load address.
If users would like to use 64bits load address, users are able to
set as following for "0x400000000" 64bits load address.
1. FIT_ADDRESS_CELLS = "2"
2. UBOOT_LOADADDRESS= "0x04 0x00000000"
(From OE-Core rev: 8ce15c76c50d5d61524fea585d19989baefb5df2)
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The current check for default dtb image checks if the file exists and is
not empty but appends a slash to the path due to which the file is never
found. It also doesn't replace slash in filename with _ as done when
populating the DTB variable. A better way to check the existence of the
device tree would be from the list of DTBs since this is used during
compilation.
(From OE-Core rev: e8e31e11b158837804d029e85f5f8ed3c219a4ea)
Signed-off-by: Arslan Ahmad <arslan_ahmad@mentor.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Allow user to select the default DTB for FIT image when multiple
dtb's exists.
From machine.conf or local.conf user can specify the default dtb
for FIT image as shown below.
FIT_CONF_DEFAULT_DTB = "board-default.dtb"
Also fallback to avaialable dtb when FIT_CONF_DEFAULT_DTB doesn't
exits or empty.
(From OE-Core rev: 160f2c58d68a049a87ddc7aedb2055152ac6ff4e)
Signed-off-by: Sandeep Gundlupet Raju <sandeep.gundlupet-raju@amd.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The dtb files must be before the dtbo files, otherwise the overlays may
not be applied correctly.
From Bruce Ashfield:
We can split between dtbs and dtbos, they just need to be sorted
for reproducibility reasons.
Of course, this was only working by luck previously (before the
sort), since it has always been gathering dtbs and dtbo's with
find, depending on filesystem ordering for the order in the
fitimage).
(From OE-Core rev: bcb3c0272f6ab846c3232548df1e1182bcc67486)
Signed-off-by: Sandeep Gundlupet Raju <sandeep.gundlupet-raju@amd.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This reverts commit ef0d0734866505c1c6e0528a0423e7248afb3ff8.
We can't do this since the initramfs needs to use DEPLOY_DIR_IMAGE which isnt
ready until do_image_complete.
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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In order to build a fitimage, we don't need the image to be "complete"
but we need the cpio portion of it built since the cpio is what ends
up inside the FIT. By reducing the dependency to `do_image_cpio` we
are able to include an image's rootfs as the ramdisk for a FIT and
then bundle that FIT into a larger SPI flash layout.
(From OE-Core rev: ef0d0734866505c1c6e0528a0423e7248afb3ff8)
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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When building a FIT image with device trees, each device tree lands in a
FIT section and is referenced by a FIT configuration node.
FIT images however also allow referencing the same device tree from
multiple configurations. This can be useful to reduce FIT image size
while staying compatible with existing bootloaders. Allow
kernel-fitimage.bbclass users to take advantage of this by mapping
each symlink to a regular device tree included in the FIT to a
configuration that references a common device tree section.
(From OE-Core rev: 21e240da63239826f3ef50ceef40c9519e9030d8)
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This introduces no functional change, but will come in handy in a later
commit where a file lookup will have us using the device tree name. If
we keep it like it's now, we will lose the information whether an
underscore is an original underscore or a mangled slash.
(From OE-Core rev: 8bea426ca59d17715a3b32f7e3caf3e4b6db5ce9)
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The U-Boot signing code is a bit of a mess. The problem is that mkimage
determines the public keys to embed into a device tree based on an image
that it is signing. This results in all sorts of contortions: U-Boot has to
be available to the kernel recipe so that it can have the correct public
keys embedded. Then, the signed U-Boot has to be made available to U-Boot's
do_deploy. This same dance is then repeated for SPL. To complicate matters,
signing for U-Boot and U-Boot SPL is optional, so the whole process must be
seamlessly integrated with a non-signed build.
The complexity and interdependency of this process makes it difficult to
extend. For example, it is not possible to install a signed U-Boot binary
into the root filesystem. This is first because u-boot:do_install must run
before linux:do_assemble_fitimage, which must run before u-boot:do_deploy.
But aside from infrastructure issues, installing a signed U-Boot also can't
happen, because the kernel image might have an embedded initramfs
(containing the signed U-Boot).
However, all of this complexity is accidental. It is not necessary to embed
the public keys into U-Boot and sign the kernel in one fell swoop. Instead,
we can sign the kernel, stage it, and sign the staged kernel again to embed
the public keys into U-Boot [1]. This twice-signed kernel serves only to
provide the correct parameters to mkimage, and does not have to be
installed or deployed. By cutting the dependency of
linux:do_assemble_fitimage on u-boot:do_install, we can drastically
simplify the build process, making it much more extensible.
The process of doing this conversion is a bit involved, since the U-Boot
and Linux recipes are so intertwined at the moment. The most major change
is that uboot-sign is no longer inherited by kernel-fitimage. Similarly,
all U-Boot-related tasks have been removed from kernel-fitimage. We add a
new step to the install task to stage the kernel in /sysroot-only. The
logic to disable assemble_fitimage has been removed. We always assemble it,
even if the final fitImage will use a bundled initramfs, because U-Boot
will need it.
On the U-Boot side, much of the churn stems from multiple config support.
Previously, we took a fairly ad-hoc approach to UBOOT_CONFIG and
UBOOT_MACHINE, introducing for loops wherever we needed to deal with them.
However, I have chosen to use a much more structured approach. Each task
which needs to use the build directory uses the following pseudocode:
do_mytask() {
if ${UBOOT_CONFIG}; then
for config, type in zip(${UBOOT_CONFIG}, ${UBOOT_MACHINE}); do
cd ${config}
mytask_helper ${type}
done
else
cd ${B}
mytask_helper ""
fi
}
By explicitly placing the work in mytask_helper, we make it easier to
ensure that everything is covered, and we also allow bbappends files to
more easily extend the task (as otherwise they would need to reimplement
the loop themselves).
[1] It doesn't particularly matter what we sign. Any FIT will do, but I
chose the kernel's because we already went to the trouble of setting it up
with the correct hashes and signatures. In the future, we could create a
"dummy" image and sign that instead, but it would probably have to happen
in the kernel recipe anyway (so we have access to the appropriate
variables).
(From OE-Core rev: 5e12dc911d0c541f43aa6d0c046fb87e8b7c1f7e)
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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In preparation for the next commit, split off several
(From OE-Core rev: 60c1a170f1f8c11bc8f42026debf121433b39115)
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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We have a specific variable for the path to the boot directory. Use it
instead of open-coding this path.
(From OE-Core rev: 725b75e83bc2b2111f2ab5103b7e7f60d6d3f34e)
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The KERNEL_DEVICETREE and related variables could potentially have a device
tree listed multiple times and this works okay for most scenarios. However,
when we create FIT entries for these we get duplicate nodes and uboot-mkimage
fails with
fit-image-initramfs-image.its:219.58-229.19: ERROR (duplicate_node_names): /images/fdt-freescale_imx8mp-evk-ecspi-slave.dtb: Duplicate node name
fit-image-initramfs-image.its:307.50-317.19: ERROR (duplicate_node_names): /images/fdt-freescale_imx8mp-evk-ndm.dtb: Duplicate node name
fit-image-initramfs-image.its:362.54-372.19: ERROR (duplicate_node_names): /images/fdt-freescale_imx8mp-evk-rm67199.dtb: Duplicate node name
fit-image-initramfs-image.its:417.56-427.19: ERROR (duplicate_node_names): /images/fdt-freescale_imx8mp-evk-usdhc1-m2.dtb: Duplicate node name
fit-image-initramfs-image.its:648.59-658.19: ERROR (duplicate_node_names): /configurations/conf-freescale_imx8mp-evk-ecspi-slave.dtb: Duplicate node name
fit-image-initramfs-image.its:744.51-754.19: ERROR (duplicate_node_names): /configurations/conf-freescale_imx8mp-evk-ndm.dtb: Duplicate node name
fit-image-initramfs-image.its:804.55-814.19: ERROR (duplicate_node_names): /configurations/conf-freescale_imx8mp-evk-rm67199.dtb: Duplicate node name
fit-image-initramfs-image.its:864.57-874.19: ERROR (duplicate_node_names): /configurations/conf-freescale_imx8mp-evk-usdhc1-m2.dtb: Duplicate node name
ERROR: Input tree has errors, aborting (use -f to force output)
uboot-mkimage: Can't open arch/arm64/boot/fitImage.tmp: No such file or directory
We fix this by tracking the DTBs we're compiling in the FIT and only picking
up unique ones.
(From OE-Core rev: 98acfea1e82a90c920bdd636033f930ac034b318)
Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Move classes to classes-global or classes-recipe as appropriate to take
advantage of new bitbake functionality to check class scope/usage.
(From OE-Core rev: f5c128008365e141082c129417eb72d2751e8045)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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