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As you see in driver/Makefile, Kbuild descends into the driver/core/
directory only when CONFIG_DM is enabled.
Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Simon Glass <[email protected]>
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Currently, DM_FLAG_ACTIVATED is set twice; before calling
uclass_pre_probe_device() and again before calling drv->probe().
It looks like Simon's intention is the first one.
The DM_FLAG_ACTIVATED was moved twice, by commit 02eeb1bbb174
(dm: core: Mark device as active before calling its probe()
method), and then by commit 206d4d2b4b30 (dm: core: Mark device
as active before calling uclass probe() methods).
The first marking was added by the last move.
Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Simon Glass <[email protected]>
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The command "dm uclass" tries to display all the UClasses, but
some of them might be disabled by Kconfig.
The function do_dm_dump_uclass() iterates over all the UClass IDs
and calls uclass_get() for each of them. Then, it displays annoying
message "Cannot find uclass for id ..." every time it fails to get
the UClass.
As a result, we get much noisier log for the "dm uclass" command.
=> dm uclass
uclass 0: root
- * root_driver @ bfb54028, seq 0, (req -1)
Cannot find uclass for id 1: please add the UCLASS_DRIVER() ...
Cannot find uclass for id 2: please add the UCLASS_DRIVER() ...
Cannot find uclass for id 3: please add the UCLASS_DRIVER() ...
Cannot find uclass for id 4: please add the UCLASS_DRIVER() ...
Cannot find uclass for id 5: please add the UCLASS_DRIVER() ...
Cannot find uclass for id 6: please add the UCLASS_DRIVER() ...
This commit suppresses these warnings.
Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This function can only handle a syscon device. It is possible that someone
will make a mistake, so add a check for this.
Also we should return -ENODEV when a device cannot be found, so update the
syscon_get_regmap_by_driver_data() to follow this convention.
Signed-off-by: Simon Glass <[email protected]>
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Add a test to confirm that we can access system controllers and find their
driver data.
Signed-off-by: Simon Glass <[email protected]>
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Add a test to confirm that we can adjust LEDs using the led_gpio driver.
Signed-off-by: Simon Glass <[email protected]>
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We normally use -ENODEV for a missing device, rather than -ENOENT. The
latter is reserved for when we have a device but cannot find something
within it.
Also avoid looking at the root LED device since it is only a container.
Signed-off-by: Simon Glass <[email protected]>
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Add a test to confirm that we can probe this device. Since there is no
MMC stack support in sandbox at present, this is as far as the test goes.
Signed-off-by: Simon Glass <[email protected]>
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Add a test to confirm that we can probe this device and get information on
the available RAM.
Signed-off-by: Simon Glass <[email protected]>
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Move sandbox over to use the reset uclass for reset, instead of a direct
call to do_reset(). This allows us to add tests.
Signed-off-by: Simon Glass <[email protected]>
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Add drivers for sandbox. One can only perform a warm reset (which does
nothing). The other can perform a cold reset or a power reset (the
latter will quit U-Boot). These can be used for testing the reset uclass.
Signed-off-by: Simon Glass <[email protected]>
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Add a new reset_walk_halt() function to cause a reset and then halt on
failure. The reset_walk() function returns an error code.
This is needed for testing since otherwise U-Boot will halt in the middle
of a test.
Signed-off-by: Simon Glass <[email protected]>
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Add tests of each API call using a sandbox clock device.
Signed-off-by: Simon Glass <[email protected]>
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Use the common function to obtain the number from the end of the string,
instead of a local function. Also tweak the position of a debug() statement.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Przemyslaw Marczak <[email protected]>
Acked-by: Przemyslaw Marczak <[email protected]>
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Clocks are an important feature of platforms and have become increasing
complex with time. Most modern SoCs have multiple PLLs and dozens of clock
dividers which distribute clocks to on-chip peripherals.
Some SoC implementations have a clock API which is private to that SoC family,
e.g. Tegra and Exynos. This is useful but it would be better to have a
common API that can be understood and used throughout U-Boot.
Add a simple clock API as a starting point. It supports querying and setting
the rate of a clock. Each clock is a device. To reduce memory and processing
overhead the concept of peripheral clocks is provided. These do not need to
be explicit devices - it is possible to write a driver that can adjust the
I2C clock (for example) without an explicit I2C clock device. This can
dramatically reduce the number of devices (and associated overhead) in a
complex SoC.
Clocks are referenced by a number, and it is expected that SoCs will define
that numbering themselves via an enum.
Signed-off-by: Simon Glass <[email protected]>
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It is common for system reset to be available at multiple levels in modern
hardware. For example, an SoC may provide a reset option, and a board may
provide its own reset for reasons of security or thoroughness. It is useful
to be able to model this hardware without hard-coding the behaviour in the
SoC or board. Also there is a distinction sometimes between resetting just
the CPU (leaving GPIO state alone) and resetting all the PMICs, just cutting
power.
To achieve this, add a simple system reset uclass. It allows multiple devices
to provide reset functionality and provides a way to walk through them,
requesting a particular reset type until is it provided.
Signed-off-by: Simon Glass <[email protected]>
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Since Rockchip requires 32-bit serial access, add this to the driver.
Refactor a little to make this easier.
Signed-off-by: Simon Glass <[email protected]>
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Several functions in this file should be marked as static. Update them.
Signed-off-by: Simon Glass <[email protected]>
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Add support for a driver which sets up DRAM and can return information about
the amount of RAM available. This is a first step towards moving RAM init
to driver model.
Signed-off-by: Simon Glass <[email protected]>
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It is a common requirement to update some PMIC registers. Provide some
simple convenience functions to do this.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Przemyslaw Marczak <[email protected]>
Acked-by: Przemyslaw Marczak <[email protected]>
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To reduce unnecessary code size in an uncommon code path, use debug()
where possible(). The driver returns an error which indicates failure.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Przemyslaw Marczak <[email protected]>
Acked-by: Przemyslaw Marczak <[email protected]>
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The device tree provides information about which regulators should be
on at boot, or always on. Use this to set them up automatically.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Przemyslaw Marczak <[email protected]>
Acked-by: Przemyslaw Marczak <[email protected]>
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The regulator_autoset() function mixes printf() output and PMIC adjustment
code. It provides a boolean to control the output. It is better to avoid
missing logic and output, and this permits a smaller SPL code size. So
split the output into a separate function.
Also rename the function to have a by_name() suffix, since we would like
to be able to pass a device when we know it, and thus avoid the name
search.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Przemyslaw Marczak <[email protected]>
Acked-by: Przemyslaw Marczak <[email protected]>
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Decide when the regulator is set up whether we want to auto-set the voltage
or current. This avoids the complex logic spilling into the processing code.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Przemyslaw Marczak <[email protected]>
Acked-by: Przemyslaw Marczak <[email protected]>
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This is not user input (i.e. from the command line). It should be possible
to get the case correct and avoid the case-insensitive match. This will
help avoid sloppy device tree setups.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Przemyslaw Marczak <[email protected]>
Acked-by: Przemyslaw Marczak <[email protected]>
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Allow read errors to be diagnosed more easily.
Signed-off-by: Simon Glass <[email protected]>
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Add basic support for MMC, providing a uclass which can set up an MMC
device. This allows MMC drivers to move to using driver model.
Signed-off-by: Simon Glass <[email protected]>
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Add a simple driver which allows use of LEDs attached to GPIOs. The linux
device tree binding is used.
Signed-off-by: Simon Glass <[email protected]>
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Add a simple uclass for LEDs, so that these can be controlled by the device
tree and activated when needed. LEDs are referred to by their label.
This implementation requires a driver for each type of LED (e.g GPIO, I2C).
Signed-off-by: Simon Glass <[email protected]>
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Many SoCs have a number of system controllers which are dealt with as a
group by a single driver. It is a pain to have to add lots of compatible
strings and/or separate drivers for each. Instead we can identify the
controllers by a number and request the address of the one we want.
Add a simple implementation of this which can be used by SoC driver code.
Signed-off-by: Simon Glass <[email protected]>
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Add a simple implementaton of register maps, supporting only direct I/O
for now. This can be enhanced later to support buses which have registers,
such as I2C, SPI and PCI.
It allows drivers which can operate with multiple buses to avoid dealing
with the particulars of register access on that bus.
Signed-off-by: Simon Glass <[email protected]>
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This function can be used for testing to manually request a GPIO for use,
without resorting to the legacy GPIO API.
Signed-off-by: Simon Glass <[email protected]>
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Provide a driver-model function to look up a GPIO name. Make the standard
function use it.
Signed-off-by: Simon Glass <[email protected]>
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Now that we support driver model in SPL, allow GPIO drivers to be used there
also.
Signed-off-by: Simon Glass <[email protected]>
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This parameter is named 'seq' but should be named 'of_offset'.
Signed-off-by: Simon Glass <[email protected]>
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In some rare cases it is useful to be able to locate a device given a device
tree node offset. An example is when you have an alias that points to a node
and you want to find the associated device. The device may be SPI, MMC or
something else, but you don't need to know the uclass to find it.
Add a function to do a global search for a device, given its device tree
offset.
Signed-off-by: Simon Glass <[email protected]>
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To avoid bloating SPL code, use debug() where possible in the driver model
core code. The error code is already returned, and can be investigated as
needed.
Signed-off-by: Simon Glass <[email protected]>
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In SPL it is sometimes useful to be able to obtain a dump of the current
driver model state. Since commands are not available, provide a way to
directly call the functions to output this information.
Adjust the existing commands to use these functions.
Signed-off-by: Simon Glass <[email protected]>
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Change infinite loop mechanism to timer based polling for QBMAN release in
ldpaa_eth_rx.
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Polling of TX conf frames is not a mandatory option.
Packets can be transferred via WRIOP without TX conf frame.
Configure ldpaa_eth driver to use TX path without confirmation frame
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Acked-by: Joe Hershberger <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Volatile command does not return frame immidiately, need to wait till a frame
is available in DQRR. Ideally it should be a blocking call.
Add timeout handling for DQRR frame instead of retry counter.
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Acked-by: Joe Hershberger <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Do not immediately return if the enqueue function returns -EBUSY; re-try
mulitple times.
if timeout occures, release the buffer.
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Acked-by: Joe Hershberger <[email protected]>
Reviewed-by: York Sun <[email protected]>
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This patch adds the infrastructure to update device
tree nodes to convey SMMU stream IDs in the device
tree. Fixups are implemented for PCI controllers
initially.
Signed-off-by: Stuart Yoder <[email protected]>
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Reviewed-by: York Sun <[email protected]>
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delete any existing ICID pools in the DPC and create
a new one based on the stream ID partitioning for
the SoC
Signed-off-by: Stuart Yoder <[email protected]>
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Stream IDs on ls2085a devices are not hardwired and are
programmed by sw. There are a limited number of stream IDs
available, and the partitioning of them is scenario dependent.
This header defines the partitioning between legacy, PCI,
and DPAA2 devices.
Signed-off-by: Stuart Yoder <[email protected]>
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Management complex major version should match to the firmware present in flash.
Return error during mismatch of major version.
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Acked-by: Joe Hershberger <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Update qbman driver
- As per latest available qbman driver
- Use of atomic APIs
Signed-off-by: Prabhakar Kushwaha <[email protected]>
CC: Geoff Thorpe <[email protected]>
CC: Haiying Wang <[email protected]>
CC: Roy Pledge <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Update flibs changes to mc-0.6.0.1 for dpmang, dprc, dpni and dpio objects
Also rename qbman_portal_ce/ci_paddr to qbman_portal_ce/ci_offset in
dpio_attr. These are now offsets from the SoC QBMan portals base.
Signed-off-by: J. German Rivera <[email protected]>
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Load AIOP image from NOR flash into DDR so that the MC firmware
the MC fw can start it at boot time
Signed-off-by: J. German Rivera <[email protected]>
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Reviewed-by: York Sun <[email protected]>
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