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Add documentation for Himbaechel Gowin uarch

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Pepijn de Vos 2024-01-20 14:58:03 +01:00 committed by myrtle
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README.md
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@ -118,18 +118,6 @@ sudo make install
Nexus support is currently experimental, and has only been tested with engineering sample silicon. Nexus support is currently experimental, and has only been tested with engineering sample silicon.
### nextpnr-gowin
For Gowin support, install [Project Apicula](https://github.com/YosysHQ/apicula). If a virtualenv is used, the path to `gowin_bba` needs to be provided as follows:
```
cmake . -DARCH=gowin -DGOWIN_BBA_EXECUTABLE=path
make -j$(nproc)
sudo make install
```
- Examples of the Gowin flow for a range of boards can be found in the [Project Apicula Examples](https://github.com/YosysHQ/apicula/tree/master/examples).
### nextpnr-generic ### nextpnr-generic
The generic target allows running placement and routing for arbitrary custom architectures. The generic target allows running placement and routing for arbitrary custom architectures.
@ -142,6 +130,22 @@ sudo make install
An example of how to use the generic flow is in [generic/examples](generic/examples). See also the [Generic Architecture docs](docs/generic.md). An example of how to use the generic flow is in [generic/examples](generic/examples). See also the [Generic Architecture docs](docs/generic.md).
### nextpnr-himbaechel
The himbaechel target allows running placement and routing for larger architectures that share a common structure.
#### gowin
For Gowin support, install [Project Apicula](https://github.com/YosysHQ/apicula)
```
cmake . -DARCH="himbaechel" -DHIMBAECHEL_GOWIN_DEVICES="all"
make -j$(nproc)
sudo make install
```
- Examples of the Gowin flow for a range of boards can be found in the [Project Apicula Examples](https://github.com/YosysHQ/apicula/tree/master/examples).
### GUI ### 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: 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: