This IP core has read and write AXI-Stream FIFOs, the contents of which can be accessed from the AXI4 memory-mapped interface. This is useful for transferring data from a processor into the FPGA fabric. The driver creates a character device that can be read/written to with standard open/read/write/close. See Xilinx PG080 document for IP details. https://www.xilinx.com/support/documentation/ip_documentation/axi_fifo_mm_s/v4_1/pg080-axi-fifo-mm-s.pdf The driver currently supports only store-forward mode with a 32-bit AXI4 Lite interface. DOES NOT support: - cut-through mode - AXI4 (non-lite) Signed-off-by: Jacob Feder <jacobsfeder@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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. See Documentation/00-INDEX for a list of what is contained in each file. 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.
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