This is a simple example for Yosys synthesis targeting the ZED FPGA
development board [1, 2]. Simple script for xst-based synthesis (incl.
generation of reference edif files) and uploading to the board can be
found here [3].

[1] http://www.zedboard.org/
[2] https://www.xilinx.com/zynq/
[3] http://verilog.james.walms.co.uk/