DMA source and sink blocks for Xilinx Zynq FPGAs

The Pothos Zynq support package provides:

• DMA source and sink blocks for zero-copy buffer integration with a Pothos data flow
• a linux kernel module for interfacing with an AXI DMA engine in the programmable logic
• loopback examples in Vivado, Zynq boot files, and documentation to recreate the demo

Layout

• kernel/ - the Pothos AXI DMA support linux kernel module
• driver/ - the Pothos AXI DMA userspace driver with C API
• blocks/ - Pothos framework DMA source and sink blocks
• loopback_microzed/ - example Vivado loopback project and boot files

Dependencies

• Pothos library
• Zynq processor running linux

Building

Configure, build, and install with CMake

Using DMA blocks

insmod pothos_zynq_dma.ko
ls /dev/pothos_zynq_dma*

Licensing information

Use, modification and distribution is subject to the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)