For development, the Digilent Nexys Video Artix-7 board is known to work. We are looking for a less expensive option.
Follow this Quick Start: https://docs.opentitan.org/doc/ug/quickstart/
There's a video here: https://www.lowrisc.org/blog/2019/11/get-started-with-opentitan/
Pre-built bitstream can be found here:
- Releases: https://github.com/lowRISC/opentitan/releases
- For newer bitstreams, look at Azure pipelines, for example: https://dev.azure.com/lowrisc/opentitan/_build/results?buildId=6401&view=logs&j=a8b61b66-4668-57fb-dcc3-ba755ef807ae