Hi, The 1.0 datasheets lists 10 MHz as the max frequency for anything in "FPGA Domain" ( page 66 ). Is that just filler until you get real numbers ? That seems pretty slow and since you have some USB core running there, I would expect it can at least go up to 48 MHz. (for some context, I'm...

Hi, Is there any examples on how to use RAM blocks in the S3 ? Doesn't look like there is any inference support (which is fine, tbh I often prefer to instanciate them). I see a ram8k_2x1_cell_macro in the cells_sim.v from yosys but : * No documentation I could find. * Is it for 2 blocks at a time ? ...

Great about the PR. Posted my result in it.
The requirement for the v2x patch above to deal with changes in yosys 'select' is a bit annoying since applying the patch breaks the old yosys AFAICT :/

Too bad about David, nextpnr sure could use some other devs.

So the issue above was because I'm using a more recent yosys (on top of which I merged the QL branch).
In newer yosys whitebox blocks are not considered during 'select' operation by default and so v2x needed patching : See https://pastebin.com/tJjzTaiG

Same error as above when trying to run the test. Something goes wrong when the xml are generated and they're not valid, no clue why ... I included the full build log (zipped because this forum doesn't allow .txt or .log attachements :/) There is plenty of warnings durin build , but no idea if they a...

Hi, I got the link to the toolchain this morning, so I thought I'd give it a try to build it. And yes, build it. I'm not interesting in "Installers" or anything like that, the whole point of the OSS toolchain is I can integrate it in my existing flow and environment. The first part, yosys ...