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At present ofnode only works with a single device tree, for the most part.
This is the control FDT used by U-Boot.
When booting an OS we may obtain a different device tree and want to
modify it. Add some initial support for this into the ofnode API.
Note that we don't permit aliases in this other device tree, since the
of_access implementation maintains a list of aliases collected at
start-up. Also, we don't need aliases to do fixups in the other FDT. So
make sure that flat tree and live tree processing are consistent in this
area.
Signed-off-by: Simon Glass <sjg@chromium.org>
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The unflattening algorithm results in a single block of memory being
allocated for the whole tree. When writing new properties, these are
allocated new memory outside that block. When the block is freed, the
allocated properties remain.
Document how this works and the potential memory leak, as well as
mentioning that updating the livetree is actually supported now.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Add a few links to documents about Verified Boot for Embedded (VBE).
These will be expanded as development proceeds.
Signed-off-by: Simon Glass <sjg@chromium.org>
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https://source.denx.de/u-boot/custodians/u-boot-amlogic
- fixup error on efuse commands return
- add documentation on boot flow
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Signed-off-by: Tom Rini <trini@konsulko.com>
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This is not needed now that CONFIG_SYS_TARGET_NAME is correctly determined
when scanning Kconfig.
This reverts commit 25b8acee2ea11a9edc100c42a61f5d6187eb6167.
Signed-off-by: Simon Glass <sjg@chromium.org>
Suggested-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
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EFI_RNG_PROTOCOL with a TPM
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There are a large number of options under CONFIG_SYS (but some of these
are elsewhere, spotted while cleaning CONFIG_SYS) that are never
referenced, or only used slightly later in the config file. Remove or
restructure these.
Signed-off-by: Tom Rini <trini@konsulko.com>
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Add a usage document for the 'rng' u-boot command.
Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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Start by describing in general the best practices for how to implement
configuration of some aspect of U-Boot. This generally means finding
the right choices for when something should be static or dynamically
configured and enabled. Then further document when to use CONFIG or CFG
namespaces for static configuration.
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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Describe exactly which bytes are hashed and in what order
when signing a configuration.
Signed-off-by: Martin Bonner <martingreybeard@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Start by elaborating on what some of our constraints tend to be with
image location values, and document where these external constraints
can come from. Provide a new subsection, an example based on the TI
ARMv7 OMAP2PLUS families of chips, that gives sample values and explains
why we use these particular values. This is based on what is in
include/configs/ti_armv7_common.h as of fb3ad9bd923d ("TI: Add, use a
DEFAULT_LINUX_BOOT_ENV environment string") as this contains just the
values referenced in this document now and not some of the further
additions that are less generic.
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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https://gitlab.denx.de/u-boot/custodians/u-boot-dm.git
minor dm- and fdt-related fixes
start of test for fdt command
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https://gitlab.denx.de/u-boot/custodians/u-boot-imx
u-boot-imx-20220726
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i.MX for 2022.10
- Added i.MX93 architecture
CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/12891
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Add some information about the 'fdt addr' subcommand, to get things
started.
Signed-off-by: Simon Glass <sjg@chromium.org>
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When CONFIG_LOG is activated, if LOG_DEBUG is defined in a file and
DEBUG is not defined the trace with debug() macro are not displayed,
because the parameter cond : _DEBUG = 0 is checked in debug_cond().
With this patch the define DEBUG, used to force the trace generated by
debug() macro, is linked with the define LOG_DEBUG, used to force the
trace generated by other macros (log_debug, dev_dbg, pr_debug).
We only need to define LOG_DEBUG in a file to activate all the
traces generated by any U-Boot debug macro, as it is described in
/doc/develop/logging.rst
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
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Add supporting new compatible string "u-boot,zynqmp-fpga-enc" to
handle loading encrypted bitfiles.
This feature requires encrypted FSBL, as according to UG1085:
"The CSU automatically locks out the AES key, stored in either BBRAM
or eFUSEs, as a key source to the AES engine if the FSBL is not
encrypted. This prevents using the BBRAM or eFUSE as the key source
to the AES engine during run-time applications."
Signed-off-by: Adrian Fiergolski <adrian.fiergolski@fastree3d.com>
Co-developed-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
Tested-by: Adrian Fiergolski <adrian.fiergolski@fastree3d.com>
Link: https://lore.kernel.org/r/20220722141614.297383-14-oleksandr.suvorov@foundries.io
Signed-off-by: Michal Simek <michal.simek@amd.com>
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Add supporting new compatible string "u-boot,zynqmp-fpga-ddrauth" to
handle loading authenticated images (DDR).
Based on solution by Jorge Ramirez-Ortiz <jorge@foundries.io>
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
Tested-by: Ricardo Salveti <ricardo@foundries.io>
Link: https://lore.kernel.org/r/20220722141614.297383-13-oleksandr.suvorov@foundries.io
Signed-off-by: Michal Simek <michal.simek@amd.com>
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Signed-off-by: Tom Rini <trini@konsulko.com>
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Add support for Qualcomm QCS404 SoC based evaluation board.
Features:
- Qualcomm Snapdragon QCS404 SoC
- 1GiB RAM
- 8GiB eMMC, uSD slot
U-boot is chain loaded by ABL in 64-bit mode as part of boot.img.
For detailed build and boot instructions, refer to
doc/board/qualcomm/qcs404.rst.
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
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Add support for 96Boards Dragonboard 845C aka Robotics RB3 development
platform. This board complies with 96Boards Open Platform Specifications.
Features:
- Qualcomm Snapdragon SDA845 SoC
- 4GiB RAM
- 64GiB UFS drive
U-boot is chain loaded by ABL in 64-bit mode as part of boot.img.
For detailed build and boot instructions, refer to
doc/board/qualcomm/sdm845.rst, board: dragonboard845c.
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
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Add instructions to build and boot from QSPI Flash
Signed-off-by: Mamta Shukla <mamta.shukla@leica-geosystems.com>
Signed-off-by: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com>
Tested-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>
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https://source.denx.de/u-boot/custodians/u-boot-efi
Pull request for efi-2022-10-rc1-2
Documentation:
* doc: add package uuid-dev to build dependencies
UEFI:
* remove support for CONFIG_LCD
* fix authenticated capsules tests
Others:
* pxe: simplify label_boot()
* cli: support bracketed paste
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- octeontx_wdt: Add MIPS Octeon support (Stefan)
- watchdog: add amlogic watchdog support (Philippe)
- watchdog: add pulse support to gpio watchdog driver (Paul)
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Fix diacritics in some instances of my name and change my e-mail address
to kabel@kernel.org.
Add corresponding .mailmap entries.
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
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A common external watchdog circuit is kept alive by triggering a short
pulse on the reset pin. This patch adds support for this use case, while
making the algorithm configurable in the devicetree.
The "linux,wdt-gpio" driver being modified is based off the equivalent
driver in the Linux kernel, which provides support for this algorithm.
This patch brings parity to this driver, and is kept aligned with
the functionality and devicetree configuration in the kernel.
It should be noted that this adds a required property named 'hw_algo'
to the devicetree binding, following suit with the kernel. I'm happy to
make this backward-compatible if preferred.
Signed-off-by: Paul Doelle <paaull.git@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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Add support for hardware watchdog timer for Amlogic SoCs.
This driver has been heavily inspired by his Linux equivalent
(meson_gxbb_wdt.c).
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Philippe Boos <pboos@baylibre.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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%s/formatted/format/
Fixes: 4211fb2ef6dd ("doc: Migrate CodingStyle wiki page to Sphinx")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
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Building mkeficapsule requires include uuid/uuid.h
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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The wiki had gitdm-generated release statistics starting with v1.3.0.
Re-generate this information as Sphinx. This aims to be as historically
accurate as possible and so some company renames were kept to their old
rather than current name until we had made the switch previously.
Signed-off-by: Tom Rini <trini@konsulko.com>
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For quite a long time we've been using a 3 week, rather than 2 week,
merge window as it was only 2 weeks during the timeframe where we did 2
month rather than 3 month releases. This corrects the places that still
had 2 weeks and tries to make things a bit clearer overall.
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Migrate the RelaseCycle wiki page to Sphinx. In terms of visible
changes, we stop having a dynamic countdown to when the release is. And
we drop the year-based statistics, that were not being kept up to date.
For the moment, we only link to statistics for v2022.07 but will add
back the historical data in a subsequent patch.
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
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The "Workflow of a Custodian" section on the wiki had not been changed
in quite some time to reflect how the process has been functioning for
some time. First, update some links to point to modern and current
sources of information.
Second, and more overarching, reword much of the section. This expands
on the expectations of both custodians and developers when it comes to
rebasing patches. Rework the final points to be clearer that Custodians
are expected to do their best to test the changes and ask for help when
needed, as well as that pull requests are expected in a timely manner.
Cc: Claudius Heine <ch@denx.de>
Cc: Martin Bonner <martingreybeard@gmail.com>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
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- Use gender-neutral language to refer to the user, consistently.
- Reword a few places so that they read more naturally.
- Make the long standing practice around "Twilight Time" more clear,
hopefully.
- Replace a reference to MAKEALL with a reference to CI testing as
that's the current requirement.
Cc: Claudius Heine <ch@denx.de>
Cc: Martin Bonner <martingreybeard@gmail.com>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
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- Remove some missed wiki markup, and escape a "\n" correctly.
- Use gender-neutral language to refer to the user, consistently.
Cc: Claudius Heine <ch@denx.de>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Move the current Process wiki page to doc/develop/process.rst. The
changes here are for formatting or slight rewording so that it reads
well when linking to other Sphinx documents.
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
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For some time now we've allowed for '//' style comments, which mirrors
the Linux kernel. So drop this point here.
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Move the current DesignPrinciples wiki page to
doc/develop/designprinciples.rst. The changes here are for formatting
or slight rewording so that it reads well when linking to other Sphinx
documents.
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Move the current CodingStyle wiki page to doc/develop/codingstyle.rst.
The changes here are for formatting or slight rewording so that it reads
well when linking to other Sphinx documents.
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
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https://source.denx.de/u-boot/custodians/u-boot-mips
- MIPS: add drivers and board support for Mediatek MT7621 SoC
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https://source.denx.de/u-boot/custodians/u-boot-efi
Pull request for efi-2022-10-rc1
Documentation:
* rework the mkimage.1 man-page
* add a statistics page for v2022.07
* update environment description
UEFI:
* add Ilias Apalodimas as co-maintainer
* fix a memory leak in efi_set_bootdev()
* suppress a build warning
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The MT7621 requires external binary blob being executed during u-boot's
boot-up flow. It's necessary to provide a guide here for users to correctly
build the u-boot.
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
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Our statistics pages have always been generated by gitdm. After
patching gitdm to generate an acceptable Sphinx output for tables,
include that and some other basic formatting here.
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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- Explain why fdt_addr and initrd_addr should not be set to disable
relocation normally.
- Provide some advice on the typical loadaddr default value.
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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This variable is never set nor explained why it would be set, drop it.
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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This tool seems a bit underloved. Unfortunately, it seems to be missing
support for FIT images. Alas...
Add a man page documenting it. The example is taken from commit a804b5ce2d
("Add dumpimage, a tool to extract data from U-Boot images").
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Despite the original description of these options, they are not always
image names, or even files. Some image types use these options to convey
configuration directly. Re-document these options as configuration options.
Additionally, add a new section documenting the format of the configuration
for each image type which uses it. In general, if configuration is used
directly (without a separate file) I have added documentation for it. If
the configuration points to a separate file, I have referenced that file's
documentation. Where there is no such documentation, I have added it.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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The mkimage command has had many options added over the years.
Unfortunately, we are starting to run out of short options. Recent options
don't have any obvious relation to their meaning (e.g. -o/-g). Fortunately,
long options exist. Add long options for each current short option.
For the curious, the remaining short options are HIkLmMPQSuUwWXyYzZ.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Per man-pages(7), "use of an AUTHORS section is strongly discouraged."
Remove it, and instead add some copyright notices and an SPDX. The default
license for U-Boot is GPL2, so that's what I put. The copyright dates are
based on the commit dates.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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This adds a SEE ALSO section to link to similar man pages, as well as to
the U-Boot documentation.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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