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After running the command, FAB_ROOT=.. nextpnr-generic --uarch fabulous --json test_design/${DESIGN}.json -o fasm=test_design/${DESIGN}_des.fasm
I see an error
ERROR: Max frequency for clock 'clk'…
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This looks new since there is no crash after error
The design is very very small and simple
Vivado works
[ERROR_Invalid_global_constant_node_INT_L_X0Y60_GND_WIRE.zip](https://github.com/user-attach…
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nextpnr-gowin seems to have been removed from oss-cad-suite (current git version), so I'm using nextpnr-himbaechel.
Is Fmax estimation (yet) implemented in nextpnr-himbaechel for Gowin devices?
If…
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I see that there's a nextpnr-machxo2 but no nextpnr-machxo3. I thought that maybe I could try using nextpnr-machxo2 with a MachXO3 target device like:
$ nextpnr-machxo2 --device LCMXO3L-2100E-5MG12…
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When using a design that involves the clock of the tangprimer20k, the bitcode created does not properly work on the bord itself. When using the gowin toolchain (IDE or via `gw_sh`), it runs fine.
T…
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Trying to see a working design using
```
nextpnr-himbaechel --gui --json top_pnr.json --top top --device GW1NR-LV9QN88PC6/I5 --vopt family=GW1N-9C --vopt cst=tangnano9k.cst
```
GUI opens and shows…
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I recently came across your work and code contributions related to the Xilinx 7 Series GTP module and the IBUFDS_GTE2 primitive on the nextpnr-xilinx open-source project on GitHub. I am also very inte…
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Would it be possible to compile nextpnr, in particular nextpnr-ecp5, with GUI support?
According to https://github.com/YosysHQ/nextpnr GUI support is disabled by default to reduce dependencies. It …
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I tried running `make -f Makefile.himbaechel` in the `/examples/himbaechel/` directory, which produced the following error at the end. Any suggestions on this? I'm running this on MacOS with qt5 insta…
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**Type of issue**: bug report
**Impact**: API modification
**Development Phase**: request
**Other information**
When running
litex-boards/litex_boards/targets/sipeed_tang_primer_20k.p…