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`icetime` and `arachne-pnr` have inconsistent device names. For instance `arachne-pnr -d 5k`, but `icetime -d up5k`. It would be nice if they were unified, but not a very high priority issue.
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I've just opened soc-demo.ice in icestudio, selected Alhambra II as my FPGA board and clicked on Tools -> Build and build failed with this output:
```
export APIO_HOME_DIR=/Users/garretraziel/.ice…
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I'm trying to use this SPI example on a UP5K breakout board: https://github.com/damdoy/ice40_ultraplus_examples/tree/master/spi_hw
Trying to adapt it from arachne to nextpnr, I change the yosys/pnr…
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I tried to install icestorm on a fresh and updated Raspberry Pi (Linux raspberrypi 4.14.79-v7+ #1159 SMP Sun Nov 4 17:50:20 GMT 2018 armv7l) using the instructions [here](http://www.clifford.at/icest…
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Currently using arachne-pnr, circa 2017.
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I have been testing icozip with fedora 31 , fedora 30 and rpi buster.
This error appears on fedora 31 but not fedora 30.
Not sure if this has anything to do with icozip but asking for advi…
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I've been working with the [RISCV example project on TinyFPGA BX](https://discourse.tinyfpga.com/t/riscv-example-project-on-tinyfpga-bx/451) and have documented my experiences [here](https://gojimmypi…
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I have this design where I use SPI block that is "hardcoded inside the FPGA". I don't have the design of this element, but I am able to use it successfully once my bitstream file is uploaded to the FP…
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Hello!
Was reading the bitstream documentation for iCE40 as well as your sources, and I noticed [this](https://github.com/YosysHQ/nextpnr/blob/155e0b9c428aa32d1ca22d3679db6db50505b2a8/ice40/bitstre…
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sorry, i'm a fpga noob, i'm trying to get this module to work on a [fomu](https://www.crowdsupply.com/sutajio-kosagi/fomu). i use your [usb phy module](https://github.com/ultraembedded/core_usb_fs_phy…