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Chen Wang 1c72774df0 PCI: sg2042: Add Sophgo SG2042 PCIe driver
Add support for PCIe controller in Sophgo SG2042 SoC. The controller uses
the Cadence PCIe core programmed by pcie-cadence* common driver. The PCIe
controller in SG2042 works in host mode only, supporting data rate up to 16
GT/s and lanes up to x16 or x8.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
[mani: reworded description and minor code cleanups]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/01b0a57cd9dba8bed7c1f2d52997046c2c6f042b.1757643388.git.unicorn_wang@outlook.com
History 2025-09-19 23:52:27 +05:30
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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 reStructuredText 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.