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author | Pepijn de Vos <pepijndevos@gmail.com> | 2020-12-30 15:59:55 +0100 |
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committer | GitHub <noreply@github.com> | 2020-12-30 14:59:55 +0000 |
commit | 3611f549024ed8b6a0d714f25d10951351097745 (patch) | |
tree | eeaf0672cb60498371d8f0cb0a955ab177cb28f0 /README.md | |
parent | 5e53a182921dad0e128186a1fe8766062c7cae61 (diff) | |
download | nextpnr-3611f549024ed8b6a0d714f25d10951351097745.tar.gz nextpnr-3611f549024ed8b6a0d714f25d10951351097745.tar.bz2 nextpnr-3611f549024ed8b6a0d714f25d10951351097745.zip |
Gowin target (#542)
* load wires
* add slice bels
* add IOB
* add aliases
* local aliases
* broken packing stuff
* working packer
* add constraints
* pnr runs1111
* add timing info
* constraints
* more constraint stuff
* add copyright
* remove generic reference
* remove parameters
* remove generic python api
* add newline to end of file
* some small refactoring
* warn on invalid constraints
* don't error on missing cell
* comment out debugging print
* typo
* avoid copy
* faster empty idstring
* remove intermediate variable
* no more deadnames
* fix cst warnings
* increase ripup and epsilon a bit
* take single device parameter
* add info to readme
* gui stubs
* Revert 4d03b681a8634e978bd5af73c97665500047e055
* assign ff_used in assignArchInfo
* decrease beta for better routability
* try to fix CI
Diffstat (limited to 'README.md')
-rw-r--r-- | README.md | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -8,6 +8,7 @@ Currently nextpnr supports: * Lattice iCE40 devices supported by [Project IceStorm](http://www.clifford.at/icestorm/) * Lattice ECP5 devices supported by [Project Trellis](https://github.com/YosysHQ/prjtrellis) * Lattice Nexus devices supported by [Project Oxide](https://github.com/daveshah1/prjoxide) + * Gowin LittleBee devices supported by [Project Apicula](https://github.com/YosysHQ/apicula) * *(experimental)* a "generic" back-end for user-defined architectures There is some work in progress towards [support for Xilinx devices](https://github.com/daveshah1/nextpnr-xilinx/) but it is not upstream and not intended for end users at the present time. We hope to see more FPGA families supported in the future. We would love your help in developing this awesome new project! @@ -114,6 +115,18 @@ sudo make install 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 python paths need to be provided as follows: + +``` +cmake . -DARCH=gowin -DPYTHON_EXECUTABLE=path -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 The generic target allows running placement and routing for arbitrary custom architectures. |