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advertise gatemate support in readme

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Lofty 2025-09-30 09:01:29 +01:00
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README.md
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@ -9,7 +9,8 @@ Currently nextpnr supports:
* Lattice ECP5 devices supported by [Project Trellis](https://github.com/YosysHQ/prjtrellis)
* Lattice Nexus devices supported by [Project Oxide](https://github.com/gatecat/prjoxide)
* Gowin LittleBee devices supported by [Project Apicula](https://github.com/YosysHQ/apicula)
* NanoXplore NG-Ultra devices supported by [Project Beyond](https://github.com/yosyshq-GmbH/prjbeyond-db)
* NanoXplore NG-Ultra devices supported by [Project Beyond](https://github.com/YosysHQ-GmbH/prjbeyond-db)
* Cologne Chip GateMate devices supported by [Project Peppercorn](https://github.com/YosysHQ/prjpeppercorn)
* *(experimental)* Cyclone V devices supported by [Mistral](https://github.com/Ravenslofty/mistral)
* *(experimental)* Lattice MachXO2 devices supported by [Project Trellis](https://github.com/YosysHQ/prjtrellis)
* *(experimental)* a "generic" back-end for user-defined architectures
@ -171,6 +172,17 @@ sudo make install
*Please note that binary bitstream creation requires Impulse tool from NanoXplore.*
#### gatemate
For Cologne Chip GateMate support, clone [Project Peppercorn](https://github.com/YosysHQ/prjpeppercorn)
```
mkdir -p build && cd build
cmake .. -DARCH="himbaechel" -DHIMBAECHEL_UARCH="gatemate" -DHIMBAECHEL_PEPPERCORN_PATH=/path/to/prjpeppercorn
make -j$(nproc)
sudo make install
```
### GUI
The nextpnr GUI is not built by default, to reduce the number of dependencies for a standard headless build. To enable it, add `-DBUILD_GUI=ON` to the CMake command line and ensure that Qt5 and OpenGL are available: