Keynote: Open Source FPGA Tooling
summary
Overview of concrete tooling, results and limits: Yosys synthesis plus nextpnr place-and-route drives an fpga flow targeting Lattice ICE40 and ECP5; a PicoRV32 blinky flow produces a bitstream in 45 seconds, programs an ECP5, hits 56 MHz fmax using ~20% of 45k LEs and exposes 72 hard multipliers. Highlights include cocotb, cxxrtl simulator, Litex SOCs, Glasgow devboard, and OpenLANE/ SkyWater 130 nm shuttles for ASIC fabrication.
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chapters (15)
- 0:00Introduction to YosysHQ
- 1:30History of open source FPGA
- 3:08Interview with Claire Wolf
- 3:27Development and roadmap
- 11:11RISC-V demo
- 12:57Open source toolchain components
- 14:10Tool deep dives
- 16:04Example projects
- 18:32Developer perspective
- 21:45Interfaces and abstraction
- 24:31Proprietary vs. open tools
- 33:05Getting started
- 34:02Future and ASIC outlook
- 34:42ASIC fabrication
- 36:56Q&A and closing
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