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0e01491de6
Add support for the Northstar Plus SerDes which is accessed through a special page of the switch. Since this is something that most people probably will not want to use, make it a configurable option with a default on ARCH_BCM_NSP where it is the most useful currently. The SerDes supports both SGMII and 1000baseX modes for both lanes, and 2500baseX for one of the lanes, and is internally looking like a seemingly standard MII PHY, except for the few bits that got repurposed. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> 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.