Michael Schröder sent us a link to his Gitlab repository
He managed to build RISC-V computer running Unix xv6 using only FOSS.
For hardware he choose our OSHW FPGA board iCE40HX8K-EVB
olimex
all fun projects at Olimex Ltd
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olimex 
Feb 20, 2023 @ 12:40:33
Very nice, just waiting for the board to be available!
Feb 24, 2023 @ 20:41:02
Any update on when the iCE40HX8K-EVB will be back in stock?
Feb 27, 2023 @ 15:49:41
When Lattice Semiconductor resume the ice40 FPGA sales
Mar 04, 2023 @ 01:32:43
I can see some stock on Mouser, but it’s definitely not cheap (and the lead time after that is ~year):
https://www.mouser.bg/ProductDetail/Lattice/iCE40HX8K-CT256
Mar 04, 2023 @ 01:34:35
Broken link in my last comment, this one should work:https://www.mouser.bg/ProductDetail/Lattice/iCE40HX8K-CT256?qs=F9A14TELRMtUXwpvAxLNcw%3D%3D
I am seeing “5 590 Can Dispatch Immediately”
Mar 15, 2023 @ 23:13:37
It seems to now be in stock @ 29.95 EUR for 1 piece!https://www.olimex.com/Products/FPGA/iCE40/iCE40HX8K-EVB/open-source-hardware
Feb 28, 2023 @ 15:33:06
Any chance to use these https://www.mouser.bg/ProductDetail/Lattice/iCE40HX8K-CT256?qs=F9A14TELRMtUXwpvAxLNcw%3D%3D
Mar 06, 2023 @ 01:56:10
I have everything to do this project except MOD-SDMMC, but the local shop where I bought iCE40HX8K-EVB and Olimexino 32u4 doesn’t have that MOD, but they have a similar module that might work. Shipping for one small thing would be too expensive. Maybe I have time to build and compile everything during Easter, but if not during the Summer of ’23. Have anyone outside the original team got it working?