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This page gives an overview of UART 16550 driver which is available as part of the Xilinx Vivado and SDK distribution.

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Driver Sources

The source code for the driver is included with the Vitis Unified Software Platform installation, as well as being available in the Xilinx Github repository.

Driver NamePath in VitisPath in Github
uartns550<Vitis Install Directory>/data/embedded/XilinxProcessorIPLib/drivers/uartns550https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/uartns550


Info

Note: To view the sources for a particular release, use the rel-version tag in github.  For example, for the 2020.1 release, the proper version of the code is: https://github.com/Xilinx/embeddedsw/tree/xilinx-v2020.1/XilinxProcessorIPLib/drivers/uartns550

The driver source code is organized into different folders.  The table below shows the uartns550 driver source organization. 


Directory
Description

doc

Provides the API and data structure details

data

Driver .tcl, .yaml and .mdd file

examples

Example applications that show how to use the driver features

src

Driver source files, make and cmakelists file

Note: AMD Xilinx embeddedsw build flow has been changed from 2023.2 release to adapt to the new system device tree based flow. For further information, refer to the wiki link Porting embeddedsw components to system device tree (SDT) based flow
The .yaml(in data folder) and CMakeLists.txt(in src folder) files are needed for the System Device Tree based flow. The Driver .tcl and .mdd files are for the older build flow which will be deprecated in future.

Driver Implementation

For a full list of features supported by this IP, please refer https://www.xilinx.com/support/documentation/ip_documentation/ds748_axi_uart16550.pdf

Features

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