Move section 'Directory hierarchy' from file README to the HTML
documentation.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
The information is already maintained in doc/develop/release_cycle.rst.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Move the README section to the HTML documentation.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Board configurations are in configs/ and not in the Makefile.
git log is the adequate way to identify who contributed to our source.
scripts/get_maintainer.pl is the correct way to identify maintainers.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Remove description of coding standards and patch submission process.
Link to the relevant HTML documentation instead.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Fixes: 2851cc94f301 ("dm: Add documentation for host command and implementation") Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* Use 16 digits on 64 bit systems.
* Use 64 bit patterns on 64 bit systems.
* Expect the sign bit in bit 63 on 64 bit systems.
* Adjust the formatting of a constant.
* Always print result on new line
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Stefan Roese <sr@denx.de>
Samuel Holland [Sat, 21 Jan 2023 23:25:16 +0000 (17:25 -0600)]
binman: Add 'min-size' entry property
This property sets the minimum size of an entry, including padding but
not alignment. It can be used to reserve space for growth of an entry,
or to enforce a minimum offset for later entries in the section.
Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Simon Glass <sjg@chromium.org>
Jonas Karlman [Sat, 21 Jan 2023 19:02:26 +0000 (19:02 +0000)]
rockchip: Use atf as firmware and move u-boot to loadables in FIT
The FIT generated after the switch to using binman is using different
values for firmware and loadables properties compared to the old script.
With the old script:
firmware = "atf-1";
loadables = "u-boot", "atf-2", ...;
After switch to binman:
firmware = "u-boot";
loadables = "atf-1", "atf-2", ...;
This change result in SPL jumping directly into U-Boot proper instead of
initializing TF-A.
With this patch the properties change back to:
firmware = "atf-1";
loatables = "u-boot", "atf-2", ...;
Fixes: e0c0efff2a02 ("rockchip: Support building the all output files in binman") Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Simon Glass <sjg@chromium.org>
Jonas Karlman [Sat, 21 Jan 2023 19:02:12 +0000 (19:02 +0000)]
binman: Add support for selecting firmware to use with split-elf
In some cases it is desired for SPL to start TF-A instead of U-Boot
proper. Add support for a new property fit,firmware that picks a
valid entry and prepends the remaining valid entries to the
loadables list generated by the split-elf generator.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org>
Jonas Karlman [Sat, 21 Jan 2023 19:01:39 +0000 (19:01 +0000)]
rockchip: Align FIT image data to SD/MMC block length
SPL load FIT images by reading the data aligned to block length.
Block length aligned image data is read directly to the load address.
Unaligned image data is written to an offset of the load address and
then the data is memcpy to the load address.
This adds a small overhead of having to memcpy unaligned data, something
that normally is not an issue.
However, TF-A may have a segment that should be loaded into SRAM, e.g.
vendor TF-A for RK3568 has a 8KiB segment that should be loaded into the
8KiB PMU SRAM. Having the image data for such segment unaligned result
in segment being written to and memcpy from beyond the SRAM boundary, in
the end this results in invalid data in SRAM.
Aligning the FIT and its external data to MMC block length to work
around such issue.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Simon Glass <sjg@chromium.org>
Takahiro Kuwano [Mon, 19 Dec 2022 01:28:21 +0000 (10:28 +0900)]
mtd: spi-nor: Add support for Infineon s25fs256t
Infineon S25FS256T is 256Mbit Quad SPI NOR flash. The key features and
differences comparing to other Spansion/Cypress flash familes are:
- 4-byte address mode by factory default
- Quad mode is enabled by factory default
- Supports mixture of 128KB and 64KB sectors by OTP configuration
(this patch supports uniform 128KB only)
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
If the offset or the size passed to the 'sf erase' command exceeds
the size of the SPI flash displaying the command usage is not
helpful. Return CMD_RET_FAILURE instead of CMD_RET_USAGE.
Use the CMD_RET_* constants instead of 0, 1, -1.
Simplify a logical expression in the final return statement.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Acked-by: Dhruva Gole <d-gole@ti.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
If the offset or the size passed to the 'sf write' or 'sf read' command
exceeds the size of the SPI flash displaying the command usage is not
helpful. Return CMD_RET_FAILURE instead of CMD_RET_USAGE.
Use the CMD_RET_* constants instead of 0, 1, -1.
Simplify a logical expression in the final return statement.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Dhruva Gole [Tue, 3 Jan 2023 06:31:12 +0000 (12:01 +0530)]
spi: cadence_qspi: use STIG mode for small reads
Fix the issue where some flash chips like cypress S25HS256T return the
value of the same register over and over in DAC mode.
For example in the TI K3-AM62x Processors refer [0] Technical Reference
Manual there is a layer of digital logic in front of the QSPI/OSPI
Drive when used in DAC mode. This is part of the Flash Subsystem (FSS)
which provides access to external Flash devices.
The FSS0_0_SYSCONFIG Register (Offset = 4h) has a BIT Field for
OSPI_32B_DISABLE_MODE which has a Reset value = 0. This means, OSPI 32bit
mode enabled by default.
Thus, by default controller operates in 32 bit mode causing it to always
align all data to 4 bytes from a 4byte aligned address. In some flash
chips like cypress for example if we try to read some regs in DAC mode
then it keeps sending the value of the first register that was requested
and inorder to read the next reg, we have to stop and re-initiate a new
transaction.
This causes wrong register values to be read than what is desired when
registers are read in DAC mode. Hence if the data.nbytes is very less
then prefer STIG mode for such small reads.
Dhruva Gole [Tue, 3 Jan 2023 06:31:11 +0000 (12:01 +0530)]
spi: cadence_qspi: setup ADDR Bits in cmd reads
Setup the Addr bit field while issuing register reads in STIG mode. This
is needed for example flashes like cypress define in their transaction
table that to read any register there is 1 cmd byte and a few more address
bytes trailing the cmd byte. Absence of addr bytes will obviously fail
to read correct data from flash register that maybe requested by flash
driver because the controller doesn't even specify which address of the
flash register the read is being requested from.
Takahiro Kuwano [Fri, 20 Jan 2023 03:28:22 +0000 (12:28 +0900)]
mtd: spi-nor-core: Make CFRx reg fields generic
Cypress defines two flavors of configuration registers, volatile and
non volatile, and both use the same bit fields. Rename the bitfields in
the configuration registers so that they can be used for both flavors.
Takahiro Kuwano [Fri, 20 Jan 2023 03:28:21 +0000 (12:28 +0900)]
mtd: spi-nor-core: Consider reserved bits in CFR5 register
CFR5[6] is reserved bit and must be always 1. Set it to comply with flash
requirements. While fixing SPINOR_REG_CYPRESS_CFR5V_OCT_DTR_EN definition,
stop using magic numbers and describe the missing bit fields in CFR5
register. This is useful for both readability and future possible addition
of Octal STR mode support.
Fixes: ea9a22f7e79c ("mtd: spi-nor-core: Add support for Cypress Semper flash") Suggested-by: Tudor Ambarus <tudor.ambarus@linaro.org> Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com> Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org> Reviewed-by: Dhruva Gole <d-gole@ti.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Introduce Socionext F_OSPI controller driver. This controller is used to
communicate with slave devices such as SPI flash memories. It supports
4 slave devices and up to 8-bit wide bus, but supports master mode only.
This driver uses spi-mem framework for SPI flash memory access, and
can only operate indirect access mode and single data rate mode.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Pengfei Fan [Fri, 9 Dec 2022 01:39:51 +0000 (09:39 +0800)]
drivers: spi: sh_qspi.c: Use log_warning() instead of printf()
Use log_warning() instead of printf() to print out driver information
Signed-off-by: Pengfei Fan <fanpengfei1@eswincomputing.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Pengfei Fan [Fri, 9 Dec 2022 01:39:50 +0000 (09:39 +0800)]
drivers: spi: fix some typos
Fix some typos in spi drivers
Signed-off-by: Pengfei Fan <fanpengfei1@eswincomputing.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Tony Dinh [Mon, 23 Jan 2023 08:39:34 +0000 (00:39 -0800)]
arm: kirkwood: Use Kirkwood common early malloc area for various Kirkwood boards
For Kirkwood boards, it is necessary to have early malloc in DRAM area
when Driver Model for Serial is enabled. This patch removes individual
board settings for early malloc in various Kirkwood boards, and uses the
Kirkwood commonly defined settings in arch/arm/mach-kirkwood/Kconfig.
Signed-off-by: Tony Dinh <mibodhi@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de>
3. Manually change license to SPDX-License-Identifier
(upstream license in upstream github repository contains long license
texts and U-Boot is using just SPDX-License-Identifier.
After applying this patch, a38x, ddr3, and ddr4 code in upstream Marvell github
repository and in U-Boot would be fully identical. So in future applying
above steps could be used to sync code again.
The only change in this patch are:
1. Some fixes with include files.
2. Some function return and basic type defines changes in
mv_ddr_plat.c (to correct Marvell bug).
3. Remove of dead code in newly copied files (as a result of the
filter script stripping out everything other than a38x, dd3, and ddr4).
This contains some fixes, and the first bunch of some clean up patches
to get rid of legacy GPIO and PMIC code.
Highlight is the DM AXP PMIC driver, which is required to convert some
drivers over to use DM regulators, and also is required to get rid
of some less optimal PMIC setup code in Trusted Firmware. This isn't
enabled by any defconfig yet, but can be enabled manually and works. For
the full glory some patches are still missing, and this requires more
testing, which would be simpler if the core code is upstream.
To quote the author:
So far, standard boot does not replicate all the of the functionality
of the distro_bootcmd scripts. In particular it lacks some bootdevs and
some of the bootmeths are incomplete.
Also there is currently no internal mechanism to enumerate buses in order
to discover bootdevs, e.g. with USB.
This series addresses these shortcomings:
- Adds the concept of a 'bootdev hunter' to enumerate buses, etc. in an
effort to find bootdevs of a certain priority
- Adds bootdevs for SCSI, IDE, NVMe, virtio, SPI flash
- Handles PXE and DHCP properly
- Supports reading the device tree with EFI and reading scripts from the
network
It also tidies up label processing, so it is possible to use:
bootflow scan mmc2
to scan just one MMC device (with BOOTSTD_FULL).
As before this implementation still relies on CONFIG_CMDLINE being
enabled, mostly for the network stack. Further work would be required to
disentangle that.
Quite a few tests are added but there are some gaps:
- SPI flash bootdev
- EFI FDT loading
Note that SATA works via SCSI (CONFIG_SCSI_AHCI) and does not use
driver model. Only pogo_v4 seems to be affected. Probably all thats is
needed is to call bootdev_setup_sibling_blk() in the Marvell SATA driver.
Also, while it would be possible to init MMC in a bootdev hunter, there is
no point since U-Boot always inits MMC on startup, if present.
With this series it should be possible to migrate boards to standard boot
by removing the inclusion of config_distro_bootcmd.h and instead adding
a suitable value for boot_targets to the environment, e.g.:
boot_targets=mmc1 mmc0 nvme scsi usb pxe dhcp spi
Thus it is possible to boot automatically without scripts and boards can
use a text-based environment instead of the config.h files.
To demonstrate this, rockpro64-rk3399 is migrated to standard boot in this
series. Full migration could probably be automated using a script, similar
in concept to moveconfig:
- obtain the board environment via 'make u-boot-initial-env'
- get the value of "boot_targets"
- drop config_distro_bootcmd.h from the config.h file
- rebuild again to get the environment without distro scripts
- write the environment (adding boot_targets) to board.env
- remove CONFIG_EXTRA_ENV_SETTINGS from the config.h file
Simon Glass [Tue, 17 Jan 2023 17:48:15 +0000 (10:48 -0700)]
bootstd: Allow scanning a single bootdev label
We want to support scanning a single label, like 'mmc' or 'usb0'. Add
this feature by plumbing the label through to the iterator, setting a
flag to indicate that only siblings of the initial device should be used.
This means that scanning a bootdev by its name is not supported anymore.
That feature doesn't seem very useful in practice, so it is no great loss.
Add a test for bootdev_find_by_any() while we are here.
Simon Glass [Tue, 17 Jan 2023 17:48:14 +0000 (10:48 -0700)]
bootstd: Switch bootdev scanning to use labels
At present we set up the bootdev order at the start, then scan the
bootdevs one by one.
However this approach cannot be used with hunters, since the bootdevs may
not exist until the hunter is used. Nor can we just run all the hunters at
the start, since that violate's U-Boot's 'lazy init' requirement. It also
increases boot time.
So we need to adjust the algorithm to scan by labels instead. As a first
step, drop the dev_order[] array in favour of a list of labels. Update the
name of bootdev_setup_iter_order() to better reflect what it does.
Update some related comments and log messages. Also disable a few tests
until a later commit where we can use them.
Simon Glass [Tue, 17 Jan 2023 17:48:12 +0000 (10:48 -0700)]
extension: Refactor to allow non-command usage
The current extension code is designed to be used from commands. We want
to add a boot driver which uses it. To help with this, split the code into
the command processing and a function which actually does the scan.
Really the extension code should be in common/ or use driver model, but
this is a start.
Simon Glass [Tue, 17 Jan 2023 17:48:08 +0000 (10:48 -0700)]
bootstd: Add a new pre-scan priority for bootdevs
We need extensions to be set up before we start trying to boot any of the
bootdevs. Add a new priority before all the others for tht sort of thing.
Also add a 'none' option, so that the first one is not 0.
While we are here, comment enum bootdev_prio_t fully and expand the test
for the 'bootdev hunt' command.
Simon Glass [Tue, 17 Jan 2023 17:48:05 +0000 (10:48 -0700)]
bootstd: Treat DHCP and PXE as bootdev labels
These are associated with the ethernet boot device but do not match its
uclass name, so handle them as special cases.
Provide a way to pass flags through with the bootdev so that we know
how to process it. The flags are checked by the bootmeths, to ensure that
only the selected bootmeth is used.
While these both use the network device, they work quite differently. It
is common to run only one of these, or to run PXE before DHCP. Provide
bootflow flags to control which methods are used. Check these in the two
bootmeths so that only the chosen one is used.
Simon Glass [Tue, 17 Jan 2023 17:48:04 +0000 (10:48 -0700)]
bootstd: Support reading a script from network or SPI flash
At present this bootmeth only supports a block device and the sandbox
host filesystem. Add support for obtaining the script from a network
device. Also implement the set_bootflow() method so that it is easy
for other bootdevs (such as enabling SPI flash to support scripts).
Simon Glass [Tue, 17 Jan 2023 17:48:02 +0000 (10:48 -0700)]
sandbox: Allow SPI flash bootdevs to be disabled for tests
Most tests don't want these and they can create a lot of noise. Add a way
to disable them. Use that in tests, with a flag provided to enable them
for tests that need this feature.
Simon Glass [Tue, 17 Jan 2023 17:48:00 +0000 (10:48 -0700)]
bootstd: Move label parsing into its own function
This is complicated enough to merit its own function, particularly as we
are about to add to it. Create a new label_to_uclass() function to decode
a label.
Also update the code to ignore an empty label or one consisting of just a
number.
Simon Glass [Tue, 17 Jan 2023 17:47:57 +0000 (10:47 -0700)]
bootstd: Support reading the device tree with EFI
With EFI booting the device tree is required but is not actually specified
in any way. The normal method is to use a fdtfile environment variable to
get the filename, then look for that file on the media.
Simon Glass [Tue, 17 Jan 2023 17:47:56 +0000 (10:47 -0700)]
bootstd: Include the device tree in the bootflow
Some bootmeths provide a way to load a device tree as well as the base
OS image. Add a way to store this in the bootflow. Update the
'bootflow info' command to show this information.
Note that the device tree is not allocated, but instead is stored at
an address provided by an environment variable. This may need to be
adjusted at some point, but for now it works well and fits in with the
existing distro-boot scripts.
Simon Glass [Tue, 17 Jan 2023 17:47:53 +0000 (10:47 -0700)]
ata: Don't try to use non-existent ports
The controller indicates the number of ports but also has a port map
which specifies which ports are actually valid. Make use of this to
avoid trying to send commands to an invalid port.
Simon Glass [Tue, 17 Jan 2023 17:47:51 +0000 (10:47 -0700)]
virtio: Add a block device
The test code for virtio is fairly simplistic and does not actually create
a block device. Add a way to specify the device type in the device tree.
Add a block device so that we can do more testing.
Simon Glass [Tue, 17 Jan 2023 17:47:38 +0000 (10:47 -0700)]
bootstd: Add an MMC hunter
Add a hunter for MMC. This doesn't do anything at present, since MMC is
currently set up when U-Boot starts. If MMC moves to lazy init then we can
add a hunter function.
Simon Glass [Tue, 17 Jan 2023 17:47:34 +0000 (10:47 -0700)]
bootstd: Support running bootdev hunters
Add a way to run a bootdev hunter to find bootdevs of a certain type. Add
this to the 'bootdev hunt' command. Test for this are added in a later
patch, since a useful test needs some hunters to work with.
Simon Glass [Tue, 17 Jan 2023 17:47:33 +0000 (10:47 -0700)]
bootstd: Add the concept of a bootdev hunter
Some bootdevs must be enumerated before they appear. For example, USB
bootdevs are not visible until USB is enumerated.
With standard boot this needs to happen automatically, since we only
want to enumerate a bus if it is needed.
Add a way to define bootdev 'hunters' which can be used to hunt for
bootdevs of a given type. Track which ones have been used and add a
command to list them.
Include a clang work-around which seems to be needed.
projects / u-boot.git / log