submodule-collection of OpenSource reverse-engineered toolchain for Lattice ICE toolchain from
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arachne-pnr @ 5d830dd
icestorm @ 4582202
yosys @ 323f6f6

Toolchain documentation see

For my personal convenience, this repo contains submodules for:


Other tools one might want to install:

  • gtkwave
  • iverilog

Alternatives to this repo:

Documentation and related links:

  • yosys manual:

  • basic howto video by eevidtron:

  • Lattice iCEstick Evaluation Kit:

  • Lattice iCE40 LP/HX Family Datasheet:

  • generic PCF files for icestick:

  • pinout: