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da58a931f2
The mvneta controller can handle speeds up to 2500Mbps on the SGMII interface. This relies on serdes configuration, the lane must be configured at 3.125Gbps and we can't use in-band autoneg at that speed. The main issue when supporting that speed on this particular controller is that the link partner can send ethernet frames with a shortened preamble, which if not explicitly enabled in the controller will cause unexpected behaviours. This was tested on Armada 385, with the comphy configuration done in bootloader. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.