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| _florent_ | joseng: no problem, it's useful to have such feedback to improve the doc/wiki | 07:56 |
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| keesj | https://mega65.org/ is pretty cool (Has a artix 7) | 08:51 |
| tpb | Title: MEGA65 - (MOST PROBABLY) THE BEST COMPUTER (at mega65.org) | 08:51 |
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| trabucayre | keesj: too late to see the price :( | 09:27 |
| trabucayre | just to know (and for christmas), are there a board with PCIe and GPIOs for a decent price ? | 09:29 |
| keesj | wassup with PCIe? is this how most FPGA are running on the cloud? or is there an ohter use case? | 11:05 |
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| trabucayre | keesj: to learn/play :) | 11:16 |
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| lkcl | _florent_: interesting side-effect of a bus width of 64, CSR bank width of 8, and a GPIO bank of 16 | 17:16 |
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| lkcl | the GPIOs are truncated to only 8 | 17:16 |
| lkcl | this is detected only when compiling with yosys at the ASIC level because only yosys detects that the top 8 GPIO outs are not connected to their CSRs... or... the enables are not connected and a cascade-effect removes them | 17:17 |
| lkcl | i think this is happening when crossing over a non-aligned boundary | 17:18 |
| lkcl | i.e. a previous CSR made the GPIO one an odd-numbered CSR bank | 17:19 |
| lkcl | maybe | 17:19 |
| lkcl | hard to tell from looking at 10,000 lines of auto-generated verilog :) | 17:19 |
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| keesj | I know only of https://shop.lambdaconcept.com/home/44-screamer-m2-usb-c-r04-jtag-serial-pack.html | 17:21 |
| tpb | Title: Screamer M.2 USB-C (R04) & JTAG Serial Pack (at shop.lambdaconcept.com) | 17:21 |
| keesj | trabucayre: ^^ but no experience with it | 17:22 |
| keesj | https://www.crowdsupply.com/rhs-research/nitefury (only 12 GPIO) | 17:25 |
| tpb | Title: NiteFury | Crowd Supply (at www.crowdsupply.com) | 17:25 |
| keesj | well it has some other connectivity | 17:25 |
| keesj | 99 is a nice price no? | 17:27 |
| trabucayre | keesj: true niteFury is more correct for me :) | 17:47 |
| trabucayre | thank | 17:50 |
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| felix_ | there are also basically clones of the nitefury that were used as bitcoin miners and now that they're getting decomissioned they are sold for 60-ish euro on ebay | 18:13 |
| felix_ | acorn cle-215+ is the board; it's more like 80 euro after shipping though | 18:15 |
| trabucayre | need to compare before writting my christmas list :) | 18:17 |
| Finde | there are a few differences in ram and number of luts that you'll probably want to keep an eye on | 18:17 |
| Finde | cle-215+ is a pretty good tradeoff imo | 18:18 |
| trabucayre | I'm interrested to have some GPIOs | 18:19 |
| trabucayre | but Yes seems a good option | 18:19 |
| _florent_ | trabucayre: the Acorn is indeed very interesting, it has a limited number of IOs but has 1GB DDR3 / PCIe Gen2 X4 / XC7A200T | 18:50 |
| _florent_ | you can do nice things with it: | 18:51 |
| _florent_ | Linux with a SATA drive: https://twitter.com/enjoy_digital/status/1329744466907979778 | 18:51 |
| _florent_ | Linux SoC with PCIe, VexRiscv SMP: https://twitter.com/enjoy_digital/status/1257985111469015040 | 18:53 |
| _florent_ | etc... :) | 18:53 |
| _florent_ | lkcl: I'll try to have a look tomorrow | 18:56 |
| trabucayre | _florent_: thanks. I think I will order one | 19:22 |
| trabucayre | I need to validate some small thing with my zynq before :) | 19:23 |
| keesj | living in EU .. I often get to pay extra for stuff shipped by crowsupply | 20:02 |
| trabucayre | keesj: yep. I've found acorn in ebay (with extra) | 20:04 |
| trabucayre | https://www.ebay.fr/itm/SQRL-Acorn-FPGA-Crypto-Miner-CLE-215-new/313231263058?hash=item48ee09c552:g:QHMAAOSwZzNfbKvQ | 20:05 |
| tpb | Title: SQRL Acorn FPGA Crypto Miner CLE-215+ new | eBay (at www.ebay.fr) | 20:05 |
| trabucayre | s/with/without/g | 20:05 |
| zyp | _florent_, have you seen this board? https://www.aliexpress.com/item/1005001275162791.html | 20:11 |
| tpb | Title: Kintex 7 XC7K325T pcie gen2 x4 sfp rj45 ddr3 FMC SATA HDMI xilinx fpga board xilixn fpga development board xilinx pcie board|Demo Board| - AliExpress (at www.aliexpress.com) | 20:11 |
| trabucayre | whoua! | 20:13 |
| zyp | there's some other nice looking ones in that store as well, like this one https://www.aliexpress.com/item/1005001631827738.html | 20:13 |
| tpb | Title: XC7K420T fpga xilinx board xilinx fpga pcie board xilixn fpga development board pcie board Kintex 7 xilinx pcie board|Demo Board| - AliExpress (at www.aliexpress.com) | 20:13 |
| Finde | oh that 325t is intersting | 20:14 |
| Finde | those could be fun to play with | 20:15 |
| trabucayre | yes but a bit expensive :( | 20:15 |
| _florent_ | zyp: the boards from this shop are indeed very interesting regarding features/price | 20:16 |
| _florent_ | I already have some but not the one you linked | 20:16 |
| zyp | how is the quality? | 20:17 |
| _florent_ | I was going to comment on this :) | 20:17 |
| _florent_ | I won't build a project based on these boards, but they are nice to play with or do development | 20:18 |
| _florent_ | that's clearly not the quality you can get from Digilent for example | 20:18 |
| _florent_ | but the board cost less than the FPGA itself, so... | 20:19 |
| zyp | yeah, I get the impression they are thrown together by some independent designer that happens to have a cheap source of parts | 20:20 |
| lkcl | _florent_: i am suspecting a possible bug with coriolis2 however there it is even harder to tell because it's fragmented things down to cell-level connections. | 20:27 |
| lkcl | consequently, greatly appreciate the help eliminating litex as a potential source. it is extremely weird error | 20:36 |
| lkcl | https://ftp.libre-soc.org/ls180.v | 20:39 |
| lkcl | _florent_: that's the auto-generated output from ls180soc.py | 20:40 |
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