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8b73fa3ae0
The GEM controllers on ZynqMP were missing some initialization steps which are required in some cases when using SGMII mode, which uses the PS-GTR transceivers managed by the phy-zynqmp driver. The GEM core appears to need a hardware-level reset in order to work properly in SGMII mode in cases where the GT reference clock was not present at initial power-on. This can be done using a reset mapped to the zynqmp-reset driver in the device tree. Also, when in SGMII mode, the GEM driver needs to ensure the PHY is initialized and powered on. Signed-off-by: Robert Hancock <robert.hancock@calian.com> Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
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| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.