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1.6 KiB
1.6 KiB
Fomu Toolchain
Fomu (fomu.im) is an FPGA in your USB port. This repository gathers all the tools you will need to develop for Fomu, and provides them as prebuilt packages for GNU/Linux, Windows or macOS.
Usage
Download the latest release for your platform and extract it somewhere on your disk. Then set your PATH:
- Shell (GNU/Linux, Cygwin/MSYS2/MINGW, MacOS...):
export PATH=[path-to-bin]:$PATH
- Powershell (Windows):
$ENV:PATH = "[path-to-bin];" + $ENV:PATH
- cmd.exe (Windows):
PATH=[path-to-bin];%PATH%
To confirm installation, run a command such as nextpnr-ice40
or yosys
.
What's included
Prebuilt packages contain almost everything you'll need for developing software and/or hardware on Fomu:
- open-tool-forge/fpga-toolchain:
- yosys -- synthesis
- ghdl-yosys-plugin -- VHDL frontend for Yosys
- nextpnr -- place-and-route
- dfu-util -- upload bitstream to the FPGA
- python3 -- required for
nextpnr-ice40
and for building litex projects - Find the list of all tools at open-tool-forge/fpga-toolchain: Introduction.
- Extras, specific for Fomu:
- riscv-gcc -- compile code for RISC-V CPUs, such as the Fomu softcore
- wishbone-tool -- access the debug bus on Fomu
- The Windows version includes
make
andteraterm
.
It is strongly recommended that you install git
for managing repositories and checking out code, though it is not strictly necessary.