drivers: net: Add ethernet driver for Microchip PIC32.
This driver implements MAC and MII layer of the ethernet controller.
Network data transfer is handled by controller internal DMA engine.
Ethernet controller is configurable through device-tree file.
drivers: gpio: add driver for Microchip PIC32 GPIO controller.
In PIC32 GPIO controller is part of PIC32 pin controller.
PIC32 has ten independently programmable ports and each with multiple pins.
Each of these pins can be configured and used as GPIO, provided they
are not in use for other peripherals.
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
drivers: pinctrl: Add pinctrl driver for Microchip PIC32.
In PIC32 pin-controller is a combined gpio-controller, pin-mux and
pin-config module. Remappable peripherals are assigned pins through
per-pin based muxing logic. And pin configuration are performed on
specific port registers which are shared along with gpio controller.
Note, non-remappable peripherals have default pins assigned thus
require no muxing.
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Paul Burton [Fri, 29 Jan 2016 13:54:54 +0000 (13:54 +0000)]
malta: Use I/O accessors for SuperI/O controller
Rather than passing the I/O port base address to the Super I/O code,
switch it to using outb such that it makes use of the I/O port base
address automatically.
Drop the extern keyword to satisfy checkpatch whilst here.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Fri, 29 Jan 2016 13:54:52 +0000 (13:54 +0000)]
MIPS: Support dynamic I/O port base address
The existing mips_io_port_base variable isn't suitable for use early
during boot since it will be stored in the .data section which may not
be writable pre-relocation. Fix this by moving the I/O port base address
into struct arch_global_data. In order to avoid adding this field for
all targets, make this dependant upon a new Kconfig entry
CONFIG_DYNAMIC_IO_PORT_BASE. Malta is the only board which sets a
non-zero I/O port base, so select this option only for Malta.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Paul Burton [Fri, 29 Jan 2016 13:54:51 +0000 (13:54 +0000)]
MIPS: Remove SLOW_DOWN_IO
CONF_SLOWDOWN_IO is never set for any target, so remove the dead code in
the SLOW_DOWN_IO macro. This is done in preparation for changes to
mips_io_port_base which can be avoided in this path by removing it
entirely.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Marek Vasut [Wed, 27 Jan 2016 02:13:59 +0000 (03:13 +0100)]
mips: cache: Bulletproof the code against cornercases
This patch makes sure that the flush/invalidate_dcache_range() functions
can handle corner-case calls like this -- invalidate_dcache_range(0, 0, 0);
This call is valid and is happily produced by USB EHCI code for example.
The expected behavior of the cache function(s) in this case is that they
will do no operation, since the size is zero.
The current implementation though has a problem where such invocation will
result in a hard CPU hang. This is because under such conditions, where the
start_addr = 0 and stop = 0, the addr = 0 and aend = 0xffffffe0 . The loop
will then try to iterate over the entire address space, which in itself is
wrong. But iterating over the entire address space might also hit some odd
address which will cause bus hang. The later happens on the Atheros MIPS.
Signed-off-by: Marek Vasut <marex@denx.de> Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Cc: Hans de Goede <hdegoede@redhat.com>
Argument boot_flags of board_init_f() should be set to 0 as
$a0 may be utilized in lowlevel_init() or mips_cache_reset()
or previous stage boot-loader.
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Simon Glass [Fri, 15 Jan 2016 01:10:49 +0000 (18:10 -0700)]
video: sandbox: Allow selection of font size and console name
For testing it is useful to be able to select the font size and the console
driver for sandbox. Add this information to platform data and copy it to
the video device when needed.
Simon Glass [Fri, 15 Jan 2016 01:10:48 +0000 (18:10 -0700)]
video: Allow selection of the driver and font size
Provide a way for the video console driver to be selected. This is
controlled by the video driver's private data. This can be set up when the
driver is probed so that it is ready for the video_post_probe() method.
The font size is provided as well. The console driver may or may not support
this depending on its capability.
Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Anatolij Gustschin <agust@denx.de>
Simon Glass [Fri, 15 Jan 2016 01:10:47 +0000 (18:10 -0700)]
License: Add the Open Font License
This is used by two of the font files. Add this license to permit tracking
of this. The copyright text cannot be added to the .ttf files, so put it
here.
Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Anatolij Gustschin <agust@denx.de>
Simon Glass [Fri, 15 Jan 2016 01:10:42 +0000 (18:10 -0700)]
video: Add a console driver that uses TrueType fonts
The existing 8x16 font is adequate for most purposes. It is small and fast.
However for boot screens where information must be presented to the user,
the console font is not ideal. Common requirements are larger and
better-looking fonts.
This console driver can use TrueType fonts built into U-Boot, and render
them at any size. This can be used in scripts to place text as needed on
the display.
This driver is not really designed to operate with the command line. Much
of U-Boot expects a fixed-width font. But to keep things working correctly,
rudimentary support for the console is provided. The main missing feature is
support for command-line editing.
Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Anatolij Gustschin <agust@denx.de>
Simon Glass [Fri, 15 Jan 2016 01:10:41 +0000 (18:10 -0700)]
video: Provide a backspace method
With proportional fonts the vidconsole uclass cannot itself erase the
previous character. Provide an optional method so that the driver can
handle this operation.
Simon Glass [Fri, 15 Jan 2016 01:10:37 +0000 (18:10 -0700)]
video: Use fractional units for X coordinates
With anti-aliased fonts we need a more fine-grained horizontal position
than a single pixel. Characters can be positioned to start part-way through
a pixel, with anti-aliasing (greyscale edges) taking care of the visual
effect.
To cope with this, use fractional units (1/256 pixel) for horizontal
positions in the text console.
Signed-off-by: Simon Glass <sjg@chromium.org>
[agust: rebased] Signed-off-by: Anatolij Gustschin <agust@denx.de>
Simon Glass [Fri, 15 Jan 2016 01:10:34 +0000 (18:10 -0700)]
video: Add stb TrueType font renderer
This is a header file which provides a fairly light-weight TrueType
rendering implementation. It is pulled from http://nothings.org/. The code
style does not comply with U-Boot but I think it is best to leave alone to
permit the source to be synced later if needed.
The only change is to fix a reference to fabs() which should route through
a macro to allow U-Boot to provide its own version.
Stephen Warren [Thu, 28 Jan 2016 20:14:16 +0000 (13:14 -0700)]
test/py: dfu: allow boardenv to specify test sizes
Allow the env__dfu_configs boardenv data to specify the set of DFU
transfer sizes to test. Manually specifying test sizes is useful if you
wish to test multiple DFU configurations (e.g. SD card ext4 filesystem, SD
card whole raw partition, RAM, etc.), but don't want to test every
single transfer size on each, to avoid bloating the overall time taken by
testing. If the boardenv doesn't specify a set of sizes, the built-in list
is used as a default, preserving backwards-compatibility.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Thu, 28 Jan 2016 06:57:51 +0000 (23:57 -0700)]
test/py: correctly log xfail/xpass tests
Tests can complete in passed, skipped, xpass, xfailed, or failed, states.
Currently the U-Boot log generation code doesn't handle the xfailed or
xpass states since they aren't used. Add support for the remaining states.
Without this, tests that xfail end up being reported as skipped.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Thu, 28 Jan 2016 06:57:50 +0000 (23:57 -0700)]
test/py: detect another "bad pattern" in console output
Many error situations in U-Boot print the message:
### ERROR ### Please RESET the board ###
Add this to the list of bad patterns the test system detects. One
practical advantage of this change is to detect the case where sandbox
is told to use a particular DTB file, and the file cannot be opened.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Thu, 28 Jan 2016 06:57:49 +0000 (23:57 -0700)]
test/py: check for bad patterns everywhere we wait
Currently, bad patterns are only honored when executing a shell command.
Other cases, such as the initial boot-up of U-Boot or when interacting
with command output rather than gathering all output prior to the shell
prompt, do not currently look for bad patterns in console output. This
patch makes sure that bad patterns are honored everywhere.
One benefit of this change is that if U-Boot sandbox fails to start up,
the error message it emits can be caught immediately, rather than relying
on a (long) timeout when waiting for the expected signon message and/or
command prompt.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Thu, 28 Jan 2016 06:57:48 +0000 (23:57 -0700)]
test.py: calculate bad patterns on change only
A future patch will use the bad_patterns array in multiple places. Rather
than duplicating the code to calculate it, or even sharing it in a
function and simply calling it redundantly when nothing has changed, only
re-calculate the list when some change is made to it. This reduces work.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Thu, 28 Jan 2016 06:57:47 +0000 (23:57 -0700)]
test/py: fix spawn.expect multiple match handling
Multiple patterns may be passed to spawn.expect(). The pattern which
matches at the earliest position should be designated as the match. This
aspect works correctly. When multiple patterns match at the same position,
priority should be given the the earliest entry in the list of patterns.
This aspect does not work correctly. This patch fixes it.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Thu, 28 Jan 2016 06:57:46 +0000 (23:57 -0700)]
test/dm: clear unit test failure count each run
The ut command prints a test failure count each time it is executed.
This is stored in a global variable which is never reset. Consequently,
the printed failure count accumulates across runs. Fix this by clearing
the counter each time "ut" is invoked.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Tue, 26 Jan 2016 22:26:04 +0000 (15:26 -0700)]
test/py: Provide custom IDs when parametrizing tests
When pytest generates the name for parametrized tests, simple parameter
values (ints, strings) get used directly, but more complex values such
as dicts are not handled. This yields test names such as:
Stephen Warren [Tue, 26 Jan 2016 20:41:30 +0000 (13:41 -0700)]
test/py: use " for docstrings
Python's coding style docs indicate to use " not ' for docstrings.
test/py has other violations of the coding style docs, since the docs
specify a stranger style than I would expect, but nobody has complained
about those yet:-)
Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Tue, 26 Jan 2016 18:10:14 +0000 (11:10 -0700)]
test/py: make net test aware of USB and PCI enumeration
The existing net test executes a list of commands supplied by boardenv
variable env__net_pre_commands. The idea was that boardenv would know
whether the Ethernet device was attached to USB, PCI, ... and hence was
the best place to put any commands required to probe the device.
However, this approach doesn't scale well when attempting to use a single
boardenv across multiple branches of U-Boot, some of which require "pci
enum" to enumerate PCI and others of which don't, or don't /yet/ simply
because various upstream changes haven't been merged down.
This patch updates the test to require that the boardenv state which HW
features are required for Ethernet to work, and lets the test itself map
that knowledge to the set of commands to execute. Since this mapping is
part of the test script, which is part of the U-Boot code/branch, this
approach is more scalable. It also feels cleaner, since again boardenv
is only providing data, rather than test logic.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Tue, 26 Jan 2016 18:10:13 +0000 (11:10 -0700)]
distro bootcmd: enumerate PCI before network operations
The PCI bus must be enumerated before PCI devices, such as Ethernet
devices, are known to U-Boot. Enhance the distro boot commands to perform
PCI enumeration when needed.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Tue, 26 Jan 2016 18:10:12 +0000 (11:10 -0700)]
distro bootcmd: make net boot only optionally start USB
Currently, the distro boot commands always enumerate USB devices before
performing network operations. However, depending on the board and end-
user configuration, network devices may not be attached to USB, and so
enumerating USB may not be necessary. Enhance the scripts to make this
step optional, so that the user can decrease boot time if they don't
need USB.
This change is performed by moving the "usb start" invocation into a
standalone variable. If the user desires, they can replace that
variable's value with some no-op command such as "true" instead.
Booting from a USB storage device always needs to enumerate USB devices,
so this action is still hard-coded.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Tue, 26 Jan 2016 18:10:11 +0000 (11:10 -0700)]
Implement "pci enum" command for CONFIG_DM_PCI
With CONFIG_DM_PCI enabled, PCI buses are not enumerated at boot, as they
are without that config option enabled. No command exists to enumerate the
PCI buses. Hence, unless some board-specific code causes PCI enumeration,
PCI-based Ethernet devices are not detected, and network access is not
available.
This patch implements "pci enum" in the CONFIG_DM_PCI case, thus giving a
mechanism whereby PCI can be enumerated.
do_pci()'s handling of case 'e' is moved into a single location before the
dev variable is assigned, in order to skip calculation of dev. The enum
sub-command doesn't need the dev value, and skipping its calculation
avoids an irrelevant error being printed.
Using a command to initialize PCI like this has a disadvantage relative to
enumerating PCI at boot. In particular, Ethernet devices are not probed
during PCI enumeration, but only when used. This defers setting variables
such as ethact, ethaddr, etc. until the first network-related command is
executed. Hopefully this will not cause further issues. Perhaps in the
long term, we need a "net start/enum" command too?
Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Stephen Warren [Tue, 26 Jan 2016 17:59:43 +0000 (10:59 -0700)]
test/py: dfu: error out if USB device already exists
The DFU test requests U-Boot configure its USB controller in device mode,
then waits for the host machine to enumerate the USB device and create a
device node for it. However, this wait can be fooled if the USB device
node already exists before the test starts, e.g. if some previous software
stack already configured the USB controller into device mode and never
de-configured it. This "previous software stack" could even be another
test/py test, if U-Boot's own USB teardown does not operate correctly. If
this happens, dfu-util may be run before U-Boot is ready to serve DFU
commands, which may cause false test failures.
Enhance the dfu test to fail if the device node exists before it is
expected to.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Tue, 26 Jan 2016 17:59:42 +0000 (10:59 -0700)]
ARM: tegra: shut down USB device controller at boot
When loading U-Boot into RAM over USB protocols using tools such as
tegrarcm or L4T's exec-uboot.sh/tegraflash.py, Tegra's USB device
mode controller is initialized and enumerated by the host PC running
the tool. Unfortunately, these tools do not shut down the USB
controller before executing the downloaded code, and so the host PC
does not "de-enumerate" the USB device. This patch implements optional
code to shut down the USB controller when U-Boot boots to avoid leaving
a stale USB device present.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Mon, 25 Jan 2016 22:07:58 +0000 (15:07 -0700)]
test/py: make crash detection more robust
test/py contains logic to detect the target crashing and rebooting by
searching the console output for a U-Boot signon message, which will
presumably be emitted when the system boots after the crash/reset.
Currently, this logic only searches for the exact signon message that
was printed by the U-Boot version under test, upon the assumption that
binary is written into flash, and hence will be the version booted after
any reset. However, this is not a valid assumption; some test setups
download the U-Boot-under-test into RAM and boot it from there, and in
such a scenario an arbitrary U-Boot version may be located in flash and
hence run after any reset.
Fix the reset detection logic to match any U-Boot signon message. This
prevents false negatives.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Fri, 22 Jan 2016 19:30:14 +0000 (12:30 -0700)]
test/py: add DFU test
Add a test of DFU functionality to the Python test suite. The test
starts DFU in U-Boot, waits for USB device enumeration on the host,
executes dfu-util multiple times to test various transfer sizes, many
of which trigger USB driver edge cases, and finally aborts the DFU
command in U-Boot.
This test mirrors the functionality previously available via the shell
scripts in test/dfu, and hence those are removed too.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Lukasz Majewski <l.majewski@samsung.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Fri, 22 Jan 2016 19:30:13 +0000 (12:30 -0700)]
test/py: ums: add filesystem-based testing
Enhance the UMS test to optionally mount a partition and read/write a file
to it, validating that the content written and read back are identical.
This enhancement is backwards-compatible; old boardenv contents that don't
define the new configuration data will cause the test code to perform as
before.
test/ums/ is deleted since the Python test now performs the same testing
that it did.
The code is also re-written to make use of the recently added utility
module, and split it up into nested functions so the overall logic of
the test process can be followed more easily without the details
cluttering the code.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Lukasz Majewski <l.majewski@samsung.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Fri, 22 Jan 2016 19:30:11 +0000 (12:30 -0700)]
test/py: optionally ignore errors from shell commands
Sometimes it's useful to run shell commands and ignore any errors. One
example might be cleanup logic; if a test-case experiences an error, the
cleanup logic might experience an error too, and we don't want that error
to mask the original error, so we want to ignore the subsequent error.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Fri, 22 Jan 2016 19:30:10 +0000 (12:30 -0700)]
test/py: log when tests send CTRL-C
Write a note to the log file when a test sends CTRL-C to U-Boot. This
makes it easier to follow what's happening in the logs, especially since
U-Boot doesn't echo the character back to its output, so there's no other
signal of what's going on.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Fri, 22 Jan 2016 19:30:09 +0000 (12:30 -0700)]
test/py: drain console log at the end of any failed test
Tests may fail for a number of reasons, and in particular for reasons
other than a timeout waiting for U-Boot to print expected data. If the
last operation that a failed test performs is not waiting for U-Boot to
print something, then any trailing output from U-Boot during that test's
operation will not be logged as part of that test, but rather either
along with the next test, or even thrown away, potentiall hiding clues
re: the test failure reason.
Solve this by explicitly draining (and hence logging) the U-Boot output
in the case of failed tests.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Fri, 22 Jan 2016 19:30:08 +0000 (12:30 -0700)]
test/py: move U-Boot respawn trigger to the test core
Prior to this change, U-Boot was lazilly (re-)spawned if/when a test
attempted to interact with it, and no active connection existed. This
approach was simple, yet had the disadvantage that U-Boot might be
spawned in the middle of a test function, e.g. after the test had already
performed actions such as creating data files, etc. In that case, this
could cause the log to contain the sequence (1) some test logs, (2)
U-Boot's boot process, (3) the rest of that test's logs. This isn't
optimally readable. This issue will affect the upcoming DFU and enhanced
UMS tests.
This change converts u_boot_console to be a function-scoped fixture, so
that pytest attempts to re-create the object for each test invocation.
This allows the fixture factory function to ensure that U-Boot is spawned
prior to every test. In practice, the same object is returned each time
so there is essentially no additional overhead due to this change.
This allows us to remove:
- The explicit ensure_spawned() call from test_sleep, since the core now
ensures that the spawn happens before the test code is executed.
- The laxy calls to ensure_spawned() in the u_boot_console_*
implementations.
The one downside is that test_env's "state_ttest_env" fixture must be
converted to a function-scoped fixture too, since a module-scoped fixture
cannot use a function-scoped fixture. To avoid overhead, we use the same
trick of returning the same object each time.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
Stephen Warren [Fri, 22 Jan 2016 19:30:07 +0000 (12:30 -0700)]
test/py: fix timeout to be absolute
Currently, Spawn.expect() imposes its timeout solely upon receipt of new
data, not on its overall operation. In theory, this could cause the
timeout not to fire if U-Boot continually generated output that did not
match the expected patterns.
Fix the code to additionally impose a timeout on overall operation, which
is the intended mode of operation.
Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com> Acked-by: Simon Glass <sjg@chromium.org>
Shaohui Xie [Thu, 28 Jan 2016 07:56:36 +0000 (15:56 +0800)]
net: phy: implements probe for Cortina phy
Cortina phy cannot support soft reset, this commit implements probe
for Cortina PHY to tell phylib to skip phy soft reset by setting
PHY_FLAG_BROKEN_RESET in flags.
Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Shaohui Xie [Thu, 28 Jan 2016 07:55:46 +0000 (15:55 +0800)]
net: phy: introduce a quirk PHY_FLAG_BROKEN_RESET
Current driver always performs a phy soft reset when connecting the phy
device, but soft reset is not always supported by a phy device, so
introduce a quirk PHY_FLAG_BROKEN_RESET to let such a phy device to skip
soft reset. This commit uses 'flags' of phy device structure to store the
quirk.
Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Dinh Nguyen [Wed, 27 Jan 2016 21:46:00 +0000 (15:46 -0600)]
net: phy: micrel: fix divisor value for KSZ9031 phy skew
The picoseconds to register value divisor(ps_to_regval) should be 60 and not
200. Linux has KSZ9031_PS_TO_REG defined to be 60 as well. 60 is the correct
divisor because the 4-bit skew values are defined from 0x0000(-420ps) to
0xffff(480ps), increments of 60.
For example, a DTS skew value of 420, represents 0ps delay, which should be 0x7.
With the previous divisor of 200, it would result in 0x2, which represents a
-300ps delay.
With this patch, ethernet on the SoCFPGA DE0 Atlas is now able to work with
1Gb ethernet.
Use the 'autoneg' flag available in phydev when checking if
autoneg is in use.
The previous implementation was checking directly in the PHY
if autoneg was supported. Some PHYs will report that autoneg
is supported, even when it is disabled. Thus it is not possible
to use that bit to determine if autoneg is currently in use or
not.
Signed-off-by: Alexandre Messier <amessier@tycoint.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
When configuring a PHY in fixed (forced) link mode, in order for
the changes to be applied, either one of these conditions must
be triggered:
1- PHY is reset
2- Autoneg is restarted
3- PHY transitions from power-down to power-up
Neither of these is currently done, so effectively the fixed link
configuration is not applied in the PHY.
Fix this by setting the Autoneg restart bit.
Signed-off-by: Alexandre Messier <amessier@tycoint.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Micrel PHYs KSZ8021/31 and KSZ8081 have a feature where MDIO address 0
is considered as a broadcast address; the PHY will respond even if it
is not its configured (pinstrapped) address. This feature is enabled
by default.
The Linux kernel disables that feature at initialisation, but not
before it probes the MDIO bus. This causes an issue, because a PHY
at address 3 will be discovered at addresses 0 and 3, but will then
only respond at address 3. Because Linux attaches the first PHY it
discovers on 'eth0', it will attach the PHY from address 0, which
will never answer again.
Fix the issue by disabling the broadcast feature in U-Boot, before
Linux is started.
Signed-off-by: Alexandre Messier <amessier@tycoint.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Simon Glass [Sun, 17 Jan 2016 21:51:57 +0000 (14:51 -0700)]
net: Move common init into a new eth_common.c file
Only half of the init is actually common. Move that part into a new common
file and call it from driver-model and legacy code. More common functions
will be added in future patches.
Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Alexey Brodkin [Wed, 13 Jan 2016 13:59:37 +0000 (16:59 +0300)]
net/designware: add support of max-speed device tree property
This property allows to specify fastest connection mode supported by
the MAC (as opposed to features of the phy).
There are situations when phy may handle faster modes than the
MAC (or even it's particular implementation or even due to CPU being too
slow).
This property is a standard one in Linux kernel these days and some
boards do already use it in their device tree descriptions.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Bin Meng <bmeng.cn@gmail.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Cc: Sonic Zhang <sonic.zhang@analog.com>
cc: Simon Glass <sjg@chromium.org> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Alexey Brodkin [Wed, 13 Jan 2016 13:59:36 +0000 (16:59 +0300)]
net/designware: do explicit port selection for 1Gb mode
Current implementation only sets "port select" bit for non-1Gb mode.
That works fine if GMAC has just exited reset state but we may as well
change connection mode in runtime. Then we'll need to reprogram GMAC for
that new mode of operation and if previous mode was 10 or 100 Mb and new
one is 1 Gb we'll need to reset port mode bit.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Bin Meng <bmeng.cn@gmail.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Cc: Sonic Zhang <sonic.zhang@analog.com>
cc: Simon Glass <sjg@chromium.org> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Alexey Brodkin [Wed, 13 Jan 2016 13:59:35 +0000 (16:59 +0300)]
include/net.h: add max_speed member in struct eth_pdata
This will be used for getting max speed mode of Ethernet interface that
a particular MAC supports from Device Tree blob and later being used for
phy configuration.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Alexey Brodkin [Wed, 13 Jan 2016 13:59:34 +0000 (16:59 +0300)]
drivers/net/phy: introduce phy_set_supported()
This new function will allow MAC drivers to override supported
capabilities of the phy. It is required when MAC cannot handle all
speeds supported by phy.
For example phy supports up-to 1Gb connections while MAC may only work
in modes up to 100 or even 10 Mbit/sec.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Sascha Hauer [Wed, 13 Jan 2016 13:59:32 +0000 (16:59 +0300)]
net: phy: genphy: Allow overwriting features
of_set_phy_supported allows overwiting hardware capabilities of
a phy with values from the devicetree. This does not work with
the genphy driver though because the genphys config_init function
will overwrite all values adjusted by of_set_phy_supported. Fix
this by initialising the genphy features in the phy_driver struct
and in config_init just limit the features to the ones the hardware
can actually support. The resulting features are a subset of the
devicetree specified features and the hardware features.
This is a copy of the patch from Linux kernel, see
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c242a47238fa2a6a54af8a16e62b54e6e031d4bc
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Florian Fainelli [Wed, 13 Jan 2016 13:59:31 +0000 (16:59 +0300)]
net: phy: ensure Gigabit features are masked off if requested
When a Gigabit PHY device is connected to a 10/100Mbits capable Ethernet
MAC, the driver will restrict the phydev->supported modes to mask off
Gigabit. If the Gigabit PHY comes out of reset with the Gigabit features
set by default in MII_CTRL1000, it will keep advertising these feature,
so by the time we call genphy_config_advert(), the condition on
phydev->supported having the Gigabit features on is false, and we do not
update MII_CTRL1000 with updated values, and we keep advertising Gigabit
features, eventually configuring the PHY for Gigabit whilst the Ethernet
MAC does not support that.
This patches fixes the problem by ensuring that the Gigabit feature bits
are always cleared in MII_CTRL1000, if the PHY happens to be a Gigabit
PHY, and then, if Gigabit features are supported, setting those and
updating MII_CTRL1000 accordingly.
This is a copy of patch from Linux kernel, see
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5273e3a5ca94fbeb8e07d31203069220d5e682aa
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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