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This page gives an overview of the bare-metal driver support for the Xilinx® LogiCORE™ IP Zynq USB soft IP. 

Table of Contents

Table of Contents

Introduction

This page gives an overview of the Zynq usbps driver which available as part of the Xilinx Vivado and SDK distribution

For more information,

Please refer to Chapter 15: USB3.0 Controller in Zynq7000 TRM

Driver Sources

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


Driver Name

Path in Vitis

Path in Github

usbps

<Vitis Install Directory>/data/embedded/XilinxProcessorIPLib/drivers/usbps

https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/usbps


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/master/XilinxProcessorIPLib/drivers/usbps

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


Directory
Description

doc

Provides the API and data structure details

data

Driver .tcl and .mdd file

examples

Example applications that show how to use the driver features

src

Driver source files


Driver Implementation

For a full list of features supported by this IP,

Please refer to Chapter 15: USB3.0 Controller in Zynq7000 TRM

Features Supported

Controller Features Supported

  • USB 2.0 High-Speed Host controller (480 Mb/s).
  • USB 2.0 HS and FS Device controller.
  • USB 1.1 legacy FS/LS.
  • On-the-Go, OTG 1.3 supplement.
  • Local DMA Engine.

Features Driver support

  • Support device mode only

Known Issues and Limitations:

  • Host mode is not supported by the standalone driver
  • OTG mode is not supported by the standalone driver

...

The below performance results are observed using CrystalDiskMark tool on windows

USB 2.0:

Change Log

2021.2

  • None

2021.1

https://github.com/Xilinx/embeddedsw/blob/xilinx_v2021.1/doc/ChangeLog#L356

...