[libre-riscv-dev] 130nm for the hackers : finally a reality ?

Staf Verhaegen staf at fibraservi.eu
Thu Jul 2 12:04:02 BST 2020

Luke Kenneth Casson Leighton schreef op wo 01-07-2020 om 14:56 [+0100]:
> yes.  Raptor Engineering is working on doing that litex testing and
> confirmation.
> just so you know: they... found several deep flaws in litex peripherals,
> such as the QSPI code.  it was not only terribly slow, the FSM would only
> have worked on a few SPI NOR ICs.
> their version saturates the QSPI bus and properly implements the SPI
> protocol as well.

Is there already a design with mixed litex and nmigen code ?
If so, it would save me from reinventing the wheel for the Retro-uC.


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