[J-core] ECP5 support

[D. Jeff Dionne]

We can certainly support.  We use RMII on many designs, the EMAC and linux driver work quite well, but without dma at the moment.

We need to get some more repos released... stand by a bit, sorry about that.

Cheers,
J.

> On Oct 22, 2019, at 04:21, Goran Mahovlić <goran.mahovlic at gmail.com> wrote:
> 
> Hi, 
> i did not write for some time, but finally we have managed to agree to go for Crowd funding for ULX3S
> 
> https://www.crowdsupply.com/radiona/ulx3s/
> https://radiona.org/ulx3s/
> 
> On new version we have 85F with 64Mb SDRAM and ESP32 onboard (for wifi experiments),,,
> 
> Among lots of interesting projects (MiniMig, ScopeIO, Oberon, different retro games)
> 
> We are already tested RISCV and managed to use LiteX to get linux running on our board, but it would be so nice if we could get help to run J-CORE on this board.
> 
> We even tested RMII for Ethernet PMOD and got it work to some level (linux is assigning IP adress).
> 
> Ethernet is fully working in ScopeIO project (really amazing project for debugging internal and external signals).
> 
> And we have some idea for USB ethernet (on linux side it is presented just RMII) and on USB side on our board is USB ethernet device...
> 
> So if someone could please help me to start that would be really great!
> 
> Goran
> 
> 
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