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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>
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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>
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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>
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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>
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At present dm/device.h includes the linux-compatible features. This
requires including linux/compat.h which in turn includes a lot of headers.
One of these is malloc.h which we thus end up including in every file in
U-Boot. Apart from the inefficiency of this, it is problematic for sandbox
which needs to use the system malloc() in some files.
Move the compatibility features into a separate header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present devres.h is included in all files that include dm.h but few
make use of it. Also this pulls in linux/compat which adds several more
headers. Drop the automatic inclusion and require files to include devres
themselves. This provides a good indication of which files use devres.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
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Record note about reducing number of BDs.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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These functions are CPU-related and do not use driver model. Move them to
cpu_func.h
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
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This patch removes check for Versal platform
in gem driver as it now supports clock setting
through clock framework.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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This patch adds new versal compatible string to GEM driver for Versal
platform.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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GD is not used anywhere that's why there is no reason to have this macro
in the driver.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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There is no reason to detect phy when core is doing it for us.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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The phydev supported features were reset in phy_set_supported() so,
move the setting of driver supported features after this so that it
wont lost in phy_set_supported().
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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The cache was only flushed before *transmitting* packets, but not
when receiving them, leading to an issue where new packets were
handed to the receive handler with old contents in cache. This
only happens when a lot of packets are received without sending
packages every now and then. Also flushing the receive buffers
in the transmit function makes no sense and can be removed.
Signed-off-by: Stefan Theil <stefan.theil@mixed-mode.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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This patch throws an error if 64-bit support is expected
but DMA hardware is not capable of 64-bit support. It also
prints a debug message if DMA is capable of 64-bit but not
using it.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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This patch adds 64-bit addressing support for zynq gem.
This means it can perform send and receive operations on
64-bit address buffers.
Signed-off-by: Vipul Kumar <vipul.kumar@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
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Xilinx SoC Versal is using fixed clock where setting rate is not supported.
That's why workaround the driver till real clock driver is supported.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Based on dt-specs fixed-link doesn't require phy-handle to be used.
Fix driver to only read phy related setting when phy-handle is found.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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max-speed property is part of phynode and it has to be
read using ofnode_read_u32_default(). This fixes the issue
of incorrect max-speed read from DT.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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This patch updates the zynq gem driver to support livetree.
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Vipul Kumar <vipul.kumar@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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Now zynq_gem driver will overwrite UCLASS_ETH node when PHY is
connected and configured which is not correct.
Use struct phydev->node instead.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Tested-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
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phyread can timeout and val will contain random value. Initialize it to
zero not to report random value in case of error.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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Functions can return NULL in case of error that's why checking return
value is needed.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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In case of phyread()/phy_setup_op() timeout code is working with
uninitialized phyreg variable. Initialize this variable to make sure
that code it not working with random value.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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wait_for_bit_le32 returns negative value on failure. Fix phy...() to
handle these failures properly.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <trini@konsulko.com>
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Add support to use max-speed property from dt for
determining the supported speed. Use 1000Mbps as
default.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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This patch bypasses phy detection logic for GMII interface
and just depend on phy address received from DT. This patch
is required as phy detection logic is different for some phys
like xilinx phy which can be connected over SGMII and GMII
interface.
This fixes the issue of ethernet failures when xilinx phy is
connected over GMII interface.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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wait_for_bit callers use the 32 bit LE version
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
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Dont enable SGMII and PCS selection if internal PCS/PMA
is not used, by getting the info about internal/external
PCS/PMA usage from dt property "is-internal-phy".
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Dont flush dummy descriptors as they are already
allocated from a region with dcache off. Tested
this on Zynq(zc702) and ZynqMP(zcu102) boards.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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Use wait_for_bit to be non breakable as using it with
breakable causes issue of un interruptible auto negotiation.
This is due to the ctrlc pressed will taken for wait_for_bit()
abort during phy_read() and hence not coming out of
auto negotiation.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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The .read_rom_hwaddr net_ops hook does not check the return value, which
is why it was never caught that we are currently returning 0 if the
read_rom_hwaddr function return -ENOSYS and -ENOSYS otherwise.
In this case we can simplify this by just returning the result of the
function.
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
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These support the flat device tree. We want to use the dev_read_..()
prefix for functions that support both flat tree and live tree. So rename
the existing functions to avoid confusion.
In the end we will have:
1. dev_read_addr...() - works on devices, supports flat/live tree
2. devfdt_get_addr...() - current functions, flat tree only
3. of_get_address() etc. - new functions, live tree only
All drivers will be written to use 1. That function will in turn call
either 2 or 3 depending on whether the flat or live tree is in use.
Note this involves changing some dead code - the imx_lpi2c.c file.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Xilinx changes for v2017.05
- Move to DM clk driver
- Add clk support for zynq_sdhci
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When the zynq_gem driver initializes the phy it sets the supported
features that the phy can support and advertise. However instead of
masking the supported features such that it limits the available
features it sets the phy to have the exact supported features of the
zynq_gem. This is problematic as it will enable features that a phy does
not have or cannot advertise.
Specifically this appears as an issue when using a phy that is only
capable of 10/100, but the zynq_gem driver will override this and try to
enable and advertise 10/100/1000.
Reported-by: Arno Steffens <star@gmx.li>
Fixes: 80243528ef ("net: gem: Fix gem driver on 1Gbps LAN")
Signed-off-by: Nathan Rossi <nathan@nathanrossi.com>
Tested-by: Arno Steffens <star@gmx.li>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
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Move the zynq to clock framework and remove unused functions as well as
the CONFIG_ZYNQ_PS_CLK_FREQ configuration.
Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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If available use the clock framework to set the tx clock rate of the
zynq ethernet controller.
Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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The gem[0-1]_rclk_ctrl registers control the source of the rx clock,
control and data signals and configure via ps7_init function. Don't
overwrite the register with the default value.
Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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At present devices use a simple integer offset to record the device tree
node associated with the device. In preparation for supporting a live
device tree, which uses a node pointer instead, refactor existing code to
access this field through an inline function.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Enable and use the clock driver routine
defined in clock driver toset required
clock appropriately.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Using generic wait_for_bit() implementation instead of
using private wait function.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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axi_emac, emaclite and gem have the same issue with registering
multiple instances with mdio busses. mdio bus name has to be uniq but
drivers are setting up only one name for all.
Use mdio_register_seq() and pass dev->seq number to allow multiple
mdio instances registration.
Reported-by: Phani Kiran Kara <phanikiran.kara@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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This reverts commit 3edc0c252257e4afed163a3a74aba24a5509b198, reversing
changes made to bb135a0180c31fbd7456021fb9700b49bba7f533.
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axi_emac, emaclite and gem have the same issue with registering
multiple instances with mdio busses. mdio bus name has to be uniq but
drivers are setting up only one name for all.
Use mdio_register_seq() and pass dev->seq number to allow multiple
mdio instances registration.
Reported-by: Phani Kiran Kara <phanikiran.kara@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Series-to: u-boot
Series-cc: Phani Kiran Kara <phanikiran.kara@gmail.com>
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It is confusing that mdio commands work and report phy id as
decimal value when mii is working with hex values.
For example:
ZynqMP> mdio list
gem:
21 - TI DP83867 <--> ethernet@ff0e0000
ZynqMP> mdio read ethernet@ff0e0000 0
Reading from bus gem
PHY at address 21:
0 - 0x1140
ZynqMP> mii dump 21 0
Incorrect PHY address. Range should be 0-31
...
ZynqMP> mii dump 15
0. (1140) -- PHY control register --
(8000:0000) 0.15 = 0 reset
U-Boot normally takes hex values that's why this patch is changing mdio
command to handle hex instead of changing mii command to handle decimal
values.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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Correct the SGMII enable bit position to 27 instead
of 31.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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Modify the nwcfg bit definitions to have 32-bit
by removing the extra nibble.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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Now, include/linux/errno.h is a wrapper of <asm-generic/errno.h>.
Replace all include directives for <asm-generic/errno.h> with
<linux/errno.h>.
<asm-generic/...> is supposed to be included from <asm/...> when
arch-headers fall back into generic implementation. Generally, they
should not be directly included from .c files.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[trini: Add drivers/usb/host/xhci-rockchip.c]
Signed-off-by: Tom Rini <trini@konsulko.com>
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Signed-off-by: Tom Rini <trini@konsulko.com>
Conflicts:
drivers/net/zynq_gem.c
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