From Chisel to Chips with Open-Source Tools

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Abstract

Chisel and Verilator provide an open-source stack for digital design. For ASIC synthesis, we have open-source tools like OpenROAD, Yosys, and Magic. OpenROAD is a project to
deliver an end-to-end silicon compiler in open source. The aim is to “democratize hardware design” by providing an automated layout generation flow from a design in RTL to GDS files used to produce silicon. Google and Efabless offer free production of chips in a multi-project wafer if the project is available in open source. In this paper, we report our experience in using the open-source tool flow from Chisel to chips with two designs: a small processor using only on-chip resources and a RISC-style processor, called Patmos, with extra external main memory. We have successfully taped out the Patmos processor for the multiproject waver MPW7 from Efabless.
Original languageEnglish
Title of host publicationProceedings of Workshop on Open-Source EDA Technology 2022
Number of pages4
Publication date2022
Publication statusPublished - 2022
Event2022 Workshop on Open-Source EDA Technology - Virtual workshop
Duration: 3 Nov 20223 Nov 2022
https://woset-workshop.github.io/

Conference

Conference2022 Workshop on Open-Source EDA Technology
LocationVirtual workshop
Period03/11/202203/11/2022
Internet address

Keywords

  • Open-source hardware
  • Open-source digital design tools

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