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Add support for the CN9130 SOM attached to a Clearfog Base platform.
This is similar to the Armada 388 based Clearfog Base platform.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Add the dts include file for the SolidRun CN9130 SOM (which is designed
to be attached to another board to make a functional system.) This SOM
is designed to be inter-changeable with the Armada 388 SOM used on
SolidRun's Clearfog Base and Pro platforms.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Use the labels created by commit f3d1f7597ec1 ("ARM: dts: armada-38x:
label USB and SATA nodes")
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Use the labels created by commit a126de75c1b8 ("ARM: dts: armada-38x
add node labels")
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Re-arrange the tests for which sets of registers are being accessed
so that it is easier to add further regions later. No functional
change.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Use 1000BaseX mode for the 88e6176 switch, which allows mvneta to
negotiate correctly without needing to be forced.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The cpuidle ->enter method expects the return value to be the sleep
state we entered. Returning negative numbers or other codes is not
permissible since coupled CPU idle was merged.
At least some of the mvebu_v7_cpu_suspend() implementations return the
value from cpu_suspend(), which returns zero if the CPU vectors back
into the kernel via cpu_resume() (the success case), or the non-zero
return value of the suspend actor, or one (failure cases).
We do not want to be returning the failure case value back to CPU idle
as that indicates that we successfully entered one of the deeper idle
states. Always return zero instead, indicating that we slept for the
shortest amount of time.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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This is the problem with out-of-tree maintained patches; they break,
sometimes requiring substantial rework. It's all very well promising
to publish new versions as that happens, but it causes pain when they
aren't published in a timely manner. Hence this hack.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Add a debugfs directory named mv88e6xxx.X where X is the DSA switch
index. Mount the debugfs file system with:
# mount -t debugfs none /sys/kernel/debug
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
[Modified by rmk for current kernels.]
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Split out the code handling the GMAC from the rest of the driver. This
block appears to be shared amongst several revisions of the IP.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Further augmentation of the comphy setup.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Add the PHY interface mode to the LPI methods and validate that LPI
is being entered for a supported mode.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Add the PHY interface mode to the LPI methods and validate that LPI
is being entered for a supported mode.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Ass the PHY interface mode into mac_disable_tx_lpi() and
mac_enable_tx_lpi() methods.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Handle -EOPNOTSUPP from mac_enable_tx_lpi() to print a sensible error.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Select the initial SFP PHY interface mode from the PHY supported
interface bitmaps.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Add a supported_interfaces member to phylib so we know which
interfaces a PHY supports. Currently, set any unconverted driver
to indicate all interfaces are supported.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Display SFP module information verbosely, splitting the generic parts
into a separate file.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add a compatible for SFP+ cages. SFP+ cages are backwards compatible,
but the ethernet device behind them may not support the slower speeds
of SFP modules.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Cooled SFP+ transceivers need a longer initialisation (startup) time.
Select the initialisation time depending on the cooled option bit.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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phy_error() is called from phy_interrupt() or phy_state_machine(), and
uses WARN_ON() to print a backtrace. The backtrace is not useful when
reporting a PHY error.
However, a system may contain multiple ethernet PHYs, and phy_error()
gives no clue which one caused the problem.
Replace WARN_ON() with a call to phydev_err() so that we can see which
PHY had an error, and also inform the user that we are halting the PHY.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Allow the PHY to probe when there is no firmware, but do not allow the
link to come up by forcing the PHY state to PHY_HALTED in a similar way
to phy_error().
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Provide phy driver start/stop hooks so that the PHY driver knows when
the network driver is starting or stopping. This will be used for the
Marvell 10G driver so that we can sanely refuse to start if the PHYs
firmware is not present, and also so that we can sanely support SFPs
behind the PHY.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Support reporting the hardware resolved pause enablement states via
phylib, overriding our software implementation.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Allow phylib drivers to pass the hardware-resolved pause state to MAC
drivers, rather than using the software-based pause resolution code.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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If MDIO_USXGMII_LINK is not set, it means that the PHYs media side
link is down. Indicate back to phylink that the link as a whole is
down.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Configure the Macchiatobin 10G PHY LED modes to correct their polarity.
We keep the existing LED behaviours, but switch their polarity to
reflect how they are connected. Tweak the LED modes as well to be:
left: off = no link
solid green = RJ45 link up (not SFP+ cage)
flash green = traffic
right: off = no link
solid green = 10G
solid yellow = 1G
flash green = 100M
flash yellow = 10M
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Add support for configuring the LEDs. Macchiatobin has an oddity in
that the left LED goes out when the cable is connected, and flashes
when there's link activity. This is because the reset default for
the LED outputs assume that the LED is connected to supply, not to
ground. Add support for configuring the LED modes and polarities.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Add a DT bindings document for the Marvell 10G driver, which will
augment the generic ethernet PHY binding by having LED mode
configuration.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The modalias string provided in the uevent sysfs file does not conform
to the format used in PHY driver modules. One of the reasons is that
udev loading of PHY driver modules has not been an expected use case.
This patch changes the MODALIAS entry for only PHY devices from:
MODALIAS=of:Nethernet-phyT(null)
to:
MODALIAS=mdio:00000000001000100001010100010011
Other MDIO devices (such as DSA) remain as before.
However, having udev automatically load the module has the advantage
of making use of existing functionality to have the module loaded
before the device is bound to the driver, thus taking advantage of
multithreaded boot systems, potentially decreasing the boot time.
However, this patch will not solve any issues with the driver module
not being loaded prior to the network device needing to use the PHY.
This is something that is completely out of control of any patch to
change the uevent mechanism.
Reported-by: Yinbo Zhu <zhuyinbo@loongson.cn>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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The hardware timestamps for packets contain a truncated seconds field,
only containing two bits of seconds. In order to provide the full
number of seconds, we need to keep track of the full hardware clock by
reading it every two seconds.
However, if we fail to read the clock, we silently ignore the error.
Print a warning indicating that the PP2 TAI clock timestamps have
become unreliable.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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No driver now uses the DSA switch phylink members, so we can now remove
the shim functions and method pointers. Arrange to print an error
message and fail registration if a DSA driver does not provide the
phylink MAC operations structure.
Signed-off-by: Russell King (oracle) <rmk+kernel@armlinux.org.uk>
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Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Add phylink EEE control methods to allow EEE to be configured. When
LPI is to be disabled, we force the port to have EEE disabled, but
when enabling EEE, if the port is under the control of the PPU, we
stop forcing it, otherwise we force-enable EEE.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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