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Conor Dooley fad13b5b73 soc: microchip: mpfs: add auto-update subdev to system controller
The PolarFire SoC's system controller offers the ability to re-program
the FPGA from a user application via two, related, mechanisms.
In-Application Programming (IAP) is not ideal for use in Linux, as it
will immediately take down the system when requested. Auto Update is
preferred, as it will only take affect at device power up*, allowing the
OS (and potential applications in AMP) to be shut down gracefully.

* Auto Update occurs at device initialisation, which can also be
  triggered by device reset - possible with the v2023.02 version of the
  Hart Software Services (HSS) and reference design.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
History 2023-12-06 12:06:18 +00:00
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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.