ICESUGAR target fails to build about learn-fpga HOT 7 OPEN

Yes you'll need to adapt icesugar.mk and create RTL/CONFIGS/icesugar_config.v plus a couple of other changes (I could not test it with the icesugar). It is not very difficult to do, let me know if you want to do it / test it and I'll help you.

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@piso77 Hi, were you able to do a core on icesugar or icesugar-nano on the SPI flash?

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I have a series of commits to enable ICESUGAR, but it never really worked - not sure if if was the flash chip or something in my memory map. Should give it another shot, or prepare a pull request if you want to try it out.

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UPDATE:
I managed to make the board icesugar-nano (ice40lp1k) work, and with the SPI flash!
Yes, the LED is blinking, and the UART is fine too, LUTs usage: ICESTORM_LC: 1134/ 1280 88%.
I will post details and maybe patches too when I get some free time.

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@piso77 checkout #66 for icesugar-nano, it works fine in my end, I don't have an icesugar board to test on it, however it's not very different, just re-naming and make sure the SPI pins in .PCF file are correct by looking at the board schematic.

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@piso77 checkout #66 for icesugar-nano, it works fine in my end, I don't have an icesugar board to test on it, however it's not very different, just re-naming and make sure the SPI pins in .PCF file are correct by looking at the board schematic.

Thanks, i'll give it a shot later today or tomorrow.

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