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Open FPGA Toolchain by Clifford Wolf et al.

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// repository documentation

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# IceTools

Open Source FPGA toolkit built around [IceStorm](http://www.clifford.at/icestorm/) and [Yosys](http://www.clifford.at/yosys/) by [Clifford Wolf](http://www.clifford.at/).

## Run with Docker

```
docker run dimdm/icetools icepack -h
```

## Install locally (brew || sudo apt-get)

```
./icetools.sh
```

## Toolchain

| Component                                            | Function      | License                                              |
|------------------------------------------------------|---------------|------------------------------------------------------|
| [Yosys](http://www.clifford.at/yosys/)               | Synthesis     | [ISC](https://opensource.org/licenses/ISC)           |
| [Icarus Verilog](http://iverilog.icarus.com/)        | Simulation    | [GPL-2.0](https://opensource.org/licenses/GPL-2.0)   |
| [Verilator](https://www.veripool.org/wiki/verilator) | Simulation    | [LGPL-3.0](https://opensource.org/licenses/LGPL-3.0) |
| [Arachne-pnr](https://github.com/cseed/arachne-pnr)  | Place & Route | [MIT](https://opensource.org/licenses/MIT)           |
| [IceStorm](http://www.clifford.at/icestorm/)         | Bitstream     | [ISC](https://opensource.org/licenses/ISC)           |

## Supported FPGAs

iCE40 LP/HX 1K/~~4K~~/8K

## Supported Devkits

- [icoBoard](https://shop.trenz-electronic.de/en/TE0887-02M-icoBoard-Version-1.1-with-8-MBit-SRAM)
- [iCEstick](http://www.latticesemi.com/icestick)
- [iCE40-HX8K Breakout Board](http://www.latticesemi.com/Products/DevelopmentBoardsAndKits/iCE40HX8KBreakoutBoard.aspx)
- [MyStorm Blackice](https://gitlab.com/Folknology/mystorm/tree/BlackIce)

## Issues

`iceprog` is not supported in docker and should be installed locally using `./icestorm.sh` which kind of defeats the purpose.

### OS X

To unload the default and vendor drivers in case `iceprog` refuses to connect:
```
sudo kextunload -v -b com.apple.driver.AppleUSBFTDI
sudo kextunload -v -b com.FTDI.driver.FTDIUSBSerialDriver
```

Reload with
```
sudo kextload -v -b com.apple.driver.AppleUSBFTDI
sudo kextload -v -b com.FTDI.driver.FTDIUSBSerialDriver
```

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