| Commit message (Collapse) | Author | Age | Files | Lines |
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Make -s option to be a bit more consistent with how it is used in
other commands by allowing PHY device to be specified by either its
name of full path in /dev. This change also allows us to leverage
autocompletion since it will work as expected for paths in /dev.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Convert the code to use shared function from fs.h
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add a simple function to simplify the task of accepting both full path
in "/dev" and just device name as a parameter.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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It seems like mdiobus_show() doesn't need more than read-only to
'phydevname', so constify it to allow passing const stings in.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Select MDIO bus GPIO multiplexer to support hardware present on the
board.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Calling mdiobus_detect() for a bus that serves as a parent for a MDIO
bus multiplexer would result in parent bus being populated with
devices that are present on downstream bus that multiplexer happens to
be "pointing" at that moment. To avoid that introduce 'is_multiplexed'
flag to struct mii_bus and change mdiobus_detect to ignore busses for
which that flag is set.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port Linux version driver to Barebox, to support such device found in
various revisions of ZII's VF610 development board.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port mdio-mux.c from Linux kernel to Barebox, to support adding
dirvers that rely on that infrastructure/API.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port of_mdio_find_bus() from Linux kernel. This function is used in
MDIO multiplexor infrastructure added in following commit.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Now that vf610-zii-dev.dts, vf610-zii-dev-rev-b.dts and
vf610-zii-dev-rev-c.dts made their way from Linux to Barebox, convert
all relevant code to make use of them.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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A call of xchg_single will issue the transfer of 24 data bits with a given
maximum frequency. Since there exist some i.MX based boards with
spi-max-frequency = <100000>, change the xchg_single timeout to still
support those boards.
Fixes: 1439cdf7c6fc ("spi: imx: add timeout to xchg_single")
Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This allows for easier deployments on the different units, as there is no
need to flash different images to the Quad and QuadPlus units anymore.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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From users feedback, it's not very practical keep 'SOC_SW_RSTN' low
and corresponding Ethernet switch it controls in reset. Change the
code to keep the line high by default.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This prevents barebox hanging e.g. in case the i2c clock is accidentally
connected to GND.
Signed-off-by: Bastian Stender <bst@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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If the flash is in secure mode it is not possible to modify its
contents. So log that useful information at probe time.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Some supported flash devices (e.g. SST25VF040) are write protected after
power up. If the device holds a valid firmware image the i210 can handle
that just fine. If however there is no firmware programmed, a procedure
is needed to remove this protection before an image can be flashed.
So implement the needed callbacks to make the commands protect and
unprotect do the right thing.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Erasing the whole flash takes approximately 7s on one of my test
machines. Expand the timeout accordingly.
Note however that it is in general not allowed to hold the flash
semaphore for so long and "firmware might implement a timeout
mechanism and take ownership of the relevant [lock]" after one second.
So a chip erase should better only be done when firmware doesn't make
use of the flash.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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There used to be four places that all emit the same error message. Even
if in a given context not all four of them can be relevant, there are
always two possible locations where the message can origin from.
So make the output slightly different in all places to ease future
debugging.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The shadow RAM that is used to serve read requests from the eeprom
interface isn't valid in all cases. Catch these by returning an error in
the eeprom read function and make eeprom validation dependant on
working access.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Provide some info about flash/eeprom state at boot up
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When the flash doesn't hold a valid firmware image there are still
some things (like accessing the flash) possible. Don't return an error
code in this case but return 0 instead. This way the driver is
regularily bound and just doesn't provide a network interface.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This device uses e1000_read_eeprom to provide access to the emulated
eeprom on e1000-igb. Only reading is implemented for now.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The iNVM storage is 2 Kib containing 64 32bit words (0-63).
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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An i210 (aka e1000_igb) supports two different non-volatile storages for
configuration. There is a built-in one-time programmable storage called
iNVM and an optional external SPI-Flash. If a flash is populated and
contains a valid configuration image the iNVM is not used (if I
understood the documentation correctly). Still the iNVM can be useful if
the flash is not configured. Also the iNVM contains manufacturing
identification information.
So it makes sense to provide the invm device even if a flash is present.
This patch also cleans up some confusion that suggests that invm is a
way to access the (simulated) eeprom structures and drops some unused
enum values.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Bring functions in a more natural order which allows to drop a few
forward declarations.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Nothing in the documentation suggests that the time to get a semaphore
depends on the size of the (optional) eeprom and I doubt there is a
relation. Given that 2048 is the maximal value for word_size unless a
flash is used to emulate the eeprom, pick 2049 as alternative arbitrary
value that probably doesn't result in regressions.
This drops the only user of ->word_size outside of eeprom.c which allows
easier restructurings there in the future.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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While working on the e1000 driver I noticed a few coding style misdeeds.
These are fixed here.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Explicitly add psci command to the misc group to get rid of
the warning that the command has no group.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Only the highest level toctree may have :numbered:, otherwise
sphinxs complains loudly that the subtree is already numbered.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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It's a make snippet, so change highlighting accordingly.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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There are many places where sphinx complains that blocks cannot
be hilghlighted in 'c' and in fact I am not aware of any C code
snippets in the documentation, so change the default highlighting
style to shell which fits our needs much better. With this we
get rid of many warnings while building the documentation.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is no code block, change to numbered list.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Several blocks cannot be sensibly highlighted, so change the highliting
to 'none'. Fixes many warnings in building the documentation.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Fixes sphinx warning about too short underline.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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From 24e24f9998342b23cd8de4145c8098f93c60cdc7 Mon Sep 17 00:00:00 2001
From: Clement Leger <clement.leger@kalray.eu>
Date: Thu, 14 Dec 2017 13:29:50 +0100
Subject: [PATCH] Bootm: fix double uimage_close
When uimage crc fails, the error handling path call uimage_close in
bootm_open_os_uimage and also in bootm_boot. This leads to crash/exception.
Keep the main error handling path in bootm_boot and remove uimage_close from
bootm_open_os_uimage to avoid double uimage_close.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Kernel commit a19adf8d86e822eba502486524127595372c85f6 [0] changed the
RPi1 device tree from &sdhci to &sdhost, which was imported in barebox
commit d14b844b08635c717fb52a294ed8d6872e260315. It seems that barebox
does not have a driver for brcm,bcm2835-sdhost (yet), which resulted in
barebox unable to boot from SD card. However, the driver for
brcm,bcm2835-sdhci worked fine in the past.
Although the upstream change was made for good reasons, the simplest
change for barebox for now is to revert to using &sdhci and disable
&sdhost.
Thanks to Alexander Dahl for raising this issue on the DistroKit
mailing list!
[0]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a19adf8d86e822eba502486524127595372c85f6
Cc: Alexander Dahl <post@lespocky.de>
Signed-off-by: Roland Hieber <rohieb@rohieb.name>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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nvvar_remove takes wildcards, so it can remove multiple variables. This
means we cannot return after the first loop iteration, but instead must
continue.
Fixes: 609d3edc3ad9 (common: globvar: let nvvar_remove() report non-existing variable)
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc:
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