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786dde1e59
Most layerscapes provide a security fuse processor where the vendor will store a unique id per part. Unfortunately, we cannot use the corresponding efuse driver because this driver needs to be ready early during the boot phase. To get the unique identifier, we just need to access two registers. Thus we just search the device tree for the corresponding device, map its memory to read the id and then unmap it again. Because it is likely that the offset within the fuses is dependent on the SoC, we need a per SoC data. Also, the compatible string is different among the SoCs. For now, this add support for the LS1028A SoC. Signed-off-by: Michael Walle <michael@walle.cc> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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.