Commit graph

2380 commits

Author SHA1 Message Date
Marek Vasut
a5e66e515b net: rtl8139: Register macro cleanup
Clean up the horrible register definitions in the RTL8139 driver.
This does create a couple of checkpatch errors, but the driver is
full of them anyway, and those will be cleaned up later.

No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
24891dd8d4 net: dwc_eth_qos: Prevent DMA from writing updated RX DMA descriptor
The DMA may attempt to write a DMA descriptor in the ring while it is
being updated. By writing the DMA descriptor buffer address to 0, it
is assured the DMA will not use such a buffer and the buffer can be
updated without any interference.

Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Stephen Warren <swarren@nvidia.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
a83ca0c280 net: dwc_eth_qos: Invalidate RX packet DMA buffer
This patch prevents an issue where the RX packet might have been
accessed by the CPU, which now has cached data from the packet in
the caches and possibly various write buffers, and these data may
be evicted from the caches into the DRAM while the buffer is also
written by the DMA.

By invalidating the buffer after the CPU accessed it and before the
DMA populates the buffer, it is assured that the buffer will not be
corrupted.

Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Stephen Warren <swarren@nvidia.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
738ee270fe net: dwc_eth_qos: Invalidate RX descriptor before reading
The current code polls the RX desciptor ring for new packets by reading
the RX descriptor status. This works by accident, as the RX descriptors
are often in non-cacheable memory. However, the driver does support use
of RX descriptors in cacheable memory.

This patch adds a missing RX descriptor invalidation, which assures the
CPU will read a fresh copy of the RX descriptor instead of a cached one.

Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Stephen Warren <swarren@nvidia.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
dd90c2e1ea net: dwc_eth_qos: Flush the RX descriptors on init
Currently the code only flushes the first RX descriptor, not every entry
in the RX descriptor ring. Fix this, to make sure the DMA engine can pick
the RX descriptors correctly.

Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Stephen Warren <swarren@nvidia.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
83858d8795 net: dwc_eth_qos: Correctly wrap around TX descriptor tail pointer
This code programs the next descriptor in the TX descriptor ring into
the hardware as the last valid TX descriptor. The problem is that if
the currenty descriptor is the last one in the array, the code will
not wrap around correctly and use TX descriptor 0 again, but instead
will use TX descriptor at address right past the TX descriptor ring,
which is the first descriptor in the RX ring.

Fix this by adding the necessary wrap-around.

Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Stephen Warren <swarren@nvidia.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
4332d80617 net: dwc_eth_qos: Fully rewrite RX descriptor field 3
The RX descriptor field 3 should contain only OWN and BUF1V bits before
being used for receiving data by the DMA engine. However, right now, if
the descriptor was already used for receiving data and is being cleared,
the field 3 is only modified and the aforementioned two bits are ORRed
into the field. This could lead to a residual dirty bits being left in
the field 3 from previous transfer, and it generally does. Fully set the
field 3 instead to clear those residual dirty bits.

Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Stephen Warren <swarren@nvidia.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
c2abfca9be net: dc2114x: Switch DEBUG_SROM{,2} to debug_cond()
Replace the adhoc debugging ifdeffery with debug_cond() and an
internal SROM_DEBUG macro to select the debug level.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
dbe9c0c145 net: dc2114x: Reorganize driver
Move the functions in the driver around to better fit future DM
conversion, drop function forward declarations. No functional
change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
3b7b9e2e71 net: dc2114x: Clean up INL/OUTL functions
Rename these functions to dc2114x_{inl,outl}(), use u32 values in
them instead of plain signed integers as all those values are in
fact register values and the driver code does bitwise operations
on them. No functional change intended.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
04da061209 net: dc2114x: Clean up DE4X5 macros
Replace these macros with static functions to permit the compiler to
do type checking on the functions. The INL()/OUTL() functions have to
be moved in this patch as well, as those DE4X5 macros are using them.
No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
eb216f1e00 net: dc2114x: Clean up remaining driver code
Clean up the remaining driver code, macro space alignment, function
declaration indent, replace __attribute__((aligned(32))) with plain
__aligned(32). No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
2e5c2a103e net: dc2114x: Clean up SROM operations
Clean up the SROM accessors to bring them up to standards with
U-Boot coding style. Sort variable into reverse xmas tree. No
functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
5a0c332a8a net: dc2114x: Clean up send_setup_frame()
Clean up the send_setup_frame() to bring it up to standards with
U-Boot coding style, invert the loops where applicable to cut
down the level of indent. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
5b4e7dfb87 net: dc2114x: Clean up dc21x4x_halt()
Clean up the driver halt code to bring it up to standards with
U-Boot coding style. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
9308df81a2 net: dc2114x: Clean up dc21x4x_recv()
Clean up the driver recv code to bring it up to standards with
U-Boot coding style. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
7c53e3364e net: dc2114x: Clean up dc21x4x_send()
Clean up the driver send code to bring it up to standards with
U-Boot coding style, invert the loops where applicable to cut
down the level of indent. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
ca5cb04b7f net: dc2114x: Clean up init code
Clean up the driver init code to bring it up to standards with
U-Boot coding style, no functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
69529c9120 net: pcnet: Switch to PCI memory access
Replace the PCI IO access with PCI memory access, the card
supports both, but the former does not work with QEMU SH4.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
3c0bcb97d6 net: pcnet: Replace mips-specific accessors
Replace mips-specific UNCACHED_SDRAM() macro with standard
map_physmem(), which permits the driver to work on other
systems than mips.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
171f5e580e net: tulip: Remove CONFIG_TULIP_*
These macros are not used by any board, remove them to simplify
the driver. The EEPROM accessors are still retained however, as
those might still be useful.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:21 +02:00
Marek Vasut
635a76b703 net: pcnet: Remove CONFIG_PCNET_79C97x
These macros guard one switch-case statement, which grows mips malta
by some 20 bytes if debug is enabled, and even less if it is not. To
make the code simpler, just support all the NICs and be done with it.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-05-01 12:35:20 +02:00
Madalin Bucur
6eb32a03e0 driver: net: fm: add DM ETH support
Probe the FMan MACs based on the device tree while
retaining the legacy code/functionality.
One notable change introduced here is that, for DM_ETH,
the name of the interfaces is corrected to the fmX-macY
format, that avoids the referral to the MAC block names
which were incorrect for FMan v3 devices (i.e. DTSEC,
TGEC) and had weird formatting (i.e. FM1@DTSEC6, FM1@TGEC1).
The legacy code is left unchanged in this respect.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-04-29 11:10:54 +05:30
Madalin Bucur
20e0f62952 driver: net: fm: add DM MDIO support
Allow the MDIO devices to be probed based on the device tree.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-04-29 11:10:54 +05:30
Madalin Bucur
1c710187a5 driver: net: fm: separate receive buffer free code
Move the receive buffer free code in a separate function.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-04-29 11:10:54 +05:30
Madalin Bucur
8313cb0215 driver: net: fm: change init_phy() param
Change the init_phy() parameter to simplify the code.

Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-04-29 11:10:54 +05:30
Ioana Ciornei
988e33f8d4 drivers: net: fsl-mc: add support for CONFIG_DM_ETH
Make any adjustments necessary in order to support DPAA2 devices probed
using CONFIG_DM_ETH. While at it, fixup some styling issues aroung the
switch-case statement.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-04-29 11:10:54 +05:30
Ioana Ciornei
267c5146d3 drivers: net: ldpaa: add DTS based probing support
When CONFIG_DM_ETH is enabled DPAA2 network interfaces will now probe
based on DTS nodes with the "fsl,qoriq-mc-dpmac" compatible.
In this case, transform the ldpaa_eth driver into a UCLASS_ETH driver
and reuse the _open()/_tx()/_stop() functions already inplemented.

For the moment, the ldpaa_eth driver will support both configurations:
with or without CONFIG_DM_ETH enabled. Any 'struct eth_device' occurrence
now has a matching 'struct udevice' made mutually exclusive based on the
state of CONFIG_DM_ETH.

Signed-off-by: Florin Laurentiu Chiculita <florinlaurentiu.chiculita@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-04-29 11:10:43 +05:30
Ioana Ciornei
52e16ec613 drivers: net: add Layerscape mEMAC MDIO driver
Add a driver for the MDIO interface integrated in the mEMAC (Multi-rate
Ethernet Media Access Controller) and the Fman 10G Ethernet MACs.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-04-29 10:49:20 +05:30
Landen Chao
532de8d99c eth: mtk-eth: add mt7531 switch support in mediatek eth driver
mt7531 is a 7-ports switch with 5 embedded giga phys, and uses the same
MAC design of mt7530. The cpu port6 supports SGMII only. The cpu port5
supports RGMII or SGMII in different model.

mt7531 is connected to mt7622 via both RGMII and SGMII interfaces.
In this patch, mt7531 cpu port5 or port6 is configured to maximum
capability to align CPU MAC setting.

The dts has been committed in the commit 6efa450565 ("arm: dts:
mediatek: add ethernet and sgmii dts node for mt7622")

Signed-off-by: Landen Chao <landen.chao@mediatek.com>
Tested-by: Frank Wunderlich <frank-w@public-files.de>
2020-04-24 10:09:59 -04:00
Francois Gervais
402ef4d244 net: fm: fix build error when not using nand
If CONFIG_CMD_NAND is disabled, get_nand_dev_by_index() is not
accessible.

This fix allows the build to succeed in this case.

Signed-off-by: Francois Gervais <fgervais@distech-controls.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-04-17 15:13:19 +05:30
Patrick Delaunay
4f60a51d07 net: dwc_eth_qos: implement phy reg and max-speed for stm32
Add management of property "reg" to configure @ of phy and
also "max-speed" property to specify maximum speed in Mbit/s
supported by the device

Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Reviewed-by: Patrick DELAUNAY <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-04-15 09:08:29 +02:00
Christophe Roullier
5177b31ba6 net: dwc_eth_qos: implement reset-gpios for stm32
Add management of property "reset-gpios" in the node identified by
"phy-handle" to configure any GPIO used to reset the PHY.

Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Reviewed-by: Patrice CHOTARD <patrice.chotard@st.com>
Reviewed-by: Patrick DELAUNAY <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-04-15 09:08:29 +02:00
Michal Simek
25de8a8d0f net: zynq-gem: Setup and use mdio base separately
Not all IPs have private MDIO bus and MDIO bus should be shared between
several IPs. In past one patch tried to implement it
(https://lists.denx.de/pipermail/u-boot/2018-February/319285.html)
in pretty raw way but it is not the cleanest solution.
This patch is just taking the part of that solution to be able to handle it
over releases without conflicts.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-04-06 12:52:45 +02:00
Ashok Reddy Soma
0f8defd891 net: zynq_gem: Add cache flush to zynq_gem_free_pkt
Add cache flush to zynq_gem_free_pkt. This is necessary
because some net routines would modify this buffer in place.
The cache_invalidate in the zynq_gem_recv function would cause
the modifications to the buffer to overwrite the DMA from the GEM,
if cache coherency is not enabled in the GEM, the next time the
buffer is in use.

Flushing the cache when the buffer is no longer in use by the
net functions ensures that the GEM DMA is going to take place
into a clean buffer.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-04-06 12:51:31 +02:00
Marek Vasut
b13da11255 net: sh_eth: Init the hardware before PHY access
To access the PHY, the MAC registers must be initialized. Call the init
function in probe() to make it so, otherwise the PHY ID readout returns
all zeroes.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
2020-04-04 15:06:37 +02:00
Michal Simek
7f6b0f3357 net: macb: Fix incorrect write function name when MACB_ZYNQ is enabled.
When MACB_ZYNQ is enabled there is compilation warnings
drivers/net/macb.c: In function ‘_macb_init’:
drivers/net/macb.h:675:33: error: ‘MACB_DMACFG’ undeclared (first use in this function);
 did you mean ‘MACB_MCF’?
  writel((value), (port)->regs + MACB_##reg)
                                 ^~~~~

It has been caused by changing macros name by commit below.

Fixes: 6c636514d4 ("net: macb: sync header definitions as taken from Linux")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2020-03-31 10:06:53 -04:00
Madalin Bucur
4fb2264b28 armv8/ls1046ardb: RGMII ports require internal delay
The correct setting for the RGMII ports on LS1046ARDB is to
enable delay on both Rx and Tx so the interface mode used must
be PHY_INTERFACE_MODE_RGMII_ID. There is a pull-up that turns
on Rx internal delay by default and the u-boot does not
override that (yet) so in u-boot the interface is functional.
In Linux the PHY driver is clearing the Rx delay for the
"rgmii-txid" mode and the reception does not work.
Changing the RGMII mode to internal delay here ensures that
device tree fix-ups for the PHY connection type turn on both
Tx and Rx internal delay in Linux.

Fixes: cc1aa218f5 ("armv8/ls1046a: RGMII PHY requires internal
	delay on Tx")
Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-03-30 08:06:52 +05:30
Madalin Bucur
00160cf32e armv8/ls1043ardb: RGMII ports require internal delay
The correct setting for the RGMII ports on LS1043ARDB is to
enable delay on both Rx and Tx so the interface mode used must
be PHY_INTERFACE_MODE_RGMII_ID. There is a pull-up that turns
on Rx internal delay by default and the u-boot does not
override that (yet) so in u-boot the interface is functional.
In Linux the PHY driver is clearing the Rx delay for the
"rgmii-txid" mode and the reception does not work.
Changing the RGMII mode to internal delay here ensures that
device tree fix-ups for the PHY connection type turn on both
Tx and Rx internal delay in Linux.

Fixes: 5a78a472f6 ("armv8/ls1043a: RGMII PHY requires internal
	delay on Tx")
Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-03-30 08:06:52 +05:30
Madalin Bucur
e219d7d0f1 net: fman: add support for all RGMII delay modes
The RGMII modes that include internal delay were not all
properly treated in the memac code. Add support for all
RGMII delay modes.

Fixes: 111fd19e3b ("fm/mEMAC: add mEMAC frame work")
Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
2020-03-30 08:06:52 +05:30
Clemens Gruber
1c1f4f0a4b net: phy: marvell: Unify 88E151x series phy_driver
The PHY models of the Marvell 88E151x series are not reliably
distinguishable by their uid / PHY identifiers.
The 88E1510, 88E1512, 88E1514 and 88E1518 all have the same OUI and
model number and bits 3:0 in the PHY Identifier 2 (Page 0, Reg 3) are
described as HW revision number, but both 88E1510 and 88E1518 PHYs were
observed with the same HW rev number (1).

Before commit 83cfbeb0df ("net: phy: Fix mask so that we can identify
Marvell 88E1518"), the 88E151x were detected because the HW revision
bits were masked from the uid. After that change, 88E1510/12/18 were all
detected as 88E1518 and the 88E1510 specific code was no longer run.

I modified the mask to again ignore all four HW revision bits, removed
the 88E1510 specific code (board-specific LED/INTn setup), which was not
called since late 2016 anyway and renamed the config function and
phy_driver struct to the better fitting 88e151x.

The uid and mask bits 3:0 are now again the same as in the Linux kernel.

Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
2020-03-09 18:11:25 -05:00
Michal Simek
a7844953ac net: phy: dp83867: Add SGMII mode type switching
This patch adds ability to switch beetween two PHY SGMII modes.
Some hardware, for example, FPGA IP designs may use 6-wire mode
which enables differential SGMII clock to MAC.

Patch description, dt flags have been done in mainline Linux by
commit a2111c460c0c ("net: phy: dp83867: Add documentation for SGMII mode type")
and by commit 507ddd5c0d47 ("net: phy: dp83867: Add SGMII mode type switching")

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2020-03-09 18:11:25 -05:00
Andre Przywara
a44ee246c5 net: phy: Fix overlong PHY timeout
Commit 27c3f70f3b ("net: phy: Increase link up delay in
genphy_update_link()") increased the per-iteration waiting time from
1ms to 50ms, without adjusting the timeout counter. This lead to the
timeout increasing from the typical 4 seconds to over three minutes.

Adjust the timeout counter evaluation by that factor of 50 to bring the
timeout back to the intended value.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Fixes: net: phy: Increase link up delay in genphy_update_link() ("27c3f70f3b50")
Reviewed-by: Stefan Roese <sr@denx.de>
Tested-by: Matthias Brugger <mbrugger@suse.com>
Tested-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2020-03-09 18:11:24 -05:00
Alex Marginean
2d5d5266e1 drivers: net: phy: aquantia: make it less verbose
The driver now unconditionally prints some information that's not
universally useful.  Replace printf with debug.

Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2020-03-09 18:11:24 -05:00
Alex Marginean
0d8b0c917a drivers: net: phy: aquantia: drop XGMII as a valid system interface proto
Use either USXGMII or XFI in aquantia_set_proto and drop XGMII as a valid
protocol configuration.  The PHY doesn't support it, it's just used as an
alias for one of the other two protocols.

Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com>
Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2020-03-09 18:11:24 -05:00
Samuel Mendoza-Jonas
e2ffeaa162 phy: Include NC-SI in phy setup
Add NC-SI to the usual phy handling. This makes two notable changes:
- Somewhat similar to a fixed phy, phy_connect() will create an NC-SI
phy if CONFIG_PHY_NCSI is defined.
- An early return is added to phy_read() and phy_write() to handle a
case like the NC-SI phy which does not define a bus.

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2020-03-09 18:11:23 -05:00
Samuel Mendoza-Jonas
f641a8ac93 phy: Add support for the NC-SI protocol
This introduces support for the NC-SI protocol, modelled as a phy driver
for other ethernet drivers to consume.

NC-SI (Network Controller Sideband Interface) is a protocol to manage a
sideband connection to a proper network interface, for example a BMC
(Baseboard Management Controller) sharing the NIC of the host system.
Probing and configuration occurs by communicating with the "remote" NIC
via NC-SI control frames (Ethernet header 0x88f8).

This implementation is roughly based on the upstream Linux
implementation[0], with a reduced feature set and an emphasis on getting
a link up as fast as possible rather than probing the full possible
topology of the bus.
The current phy model relies on the network being "up", sending NC-SI
command frames via net_send_packet() and receiving them from the
net_loop() loop (added in a following patch).

The ncsi-pkt.h header[1] is copied from the Linux kernel for consistent
field definitions.

[0]: https://github.com/torvalds/linux/tree/master/net/ncsi
[1]: https://github.com/torvalds/linux/blob/master/net/ncsi/ncsi-pkt.h

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2020-03-09 18:11:23 -05:00
Michal Simek
58ecd9ad0b net: zynq: Free allocated buffers in case of error
Driver probe function is called again and again in case of error.
Malloc space is getting full which is is reported by:
 Insufficient RAM for page table: 0x15000 > 0x14000.
 Please increase the size in get_page_table_size()
 ### ERROR ### Please RESET the board ###

The patch is freeing allocated buffers on error path to avoid panic.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-02-28 12:04:10 +01:00
Michal Simek
380376520f net: phy: dp83867: Clean force link good bit
On Xilinx ZynqMP revA board initial value of PHYCR register is 0x5448 which
means FORCE_LINK_GOOD is already setup. Origin code was doing write but the
new code is doing read/modify/write and keep this bit untouched. That's why
ethernet stop to work.
The patch is cleaning this bit when PHYCR value is composed.

Tested on Xilinx zcu102-revA and zcu104-rev1.0 boards.

Fixes: 37d6265f2b ("net: phy: dp83867: refactor rgmii configuration")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
2020-02-28 12:04:10 +01:00
T Karthik Reddy
b6779274f2 net: zynq_gem: Use ulong instead of u32 data type
flush_dcache_range() expects unsigned long in the arguments. Here u32
variable is unable to hold the higher address value when ddr mapped
to higher addresses & flushing lower address dchache range instead
which is unmapped causing to crash.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2020-02-28 12:04:10 +01:00