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The PCIe Root Complex on PolarFire SoC is configured at bitstream creation time using Libero. Key MSI-related parameters include the number of MSIs (1/2/4/8/16/32) and the MSI address. In the device driver, extract this information from hardware registers at init time, and use it to configure MSI system, including configuring MSI capability structure correctly in configuration space. Link: https://lore.kernel.org/r/20230728131401.1615724-7-daire.mcnamara@microchip.com Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com> Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> |
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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.