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The next generation (revision 1) of the DFL EMIF feature device requires support for more than 4 memory banks. It does not support the selective clearing of memory banks. A capability register replaces the previous control register, and contains a bitmask to indicate the presence of each memory bank. This bitmask aligns with the previous control register bitmask that served the same purpose. The control and capability registers are treated like a C Union structure in order to support both the new and old revisions of the EMIF device. Signed-off-by: Debarati Biswas <debaratix.biswas@intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Signed-off-by: Tianfei Zhang <tianfei.zhang@intel.com> Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220713130355.196115-1-tianfei.zhang@intel.com
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.