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| mithro | tumbleweed: I forget where we got too | 03:08 |
|---|---|---|
| mithro | cr1901_modern: Is this on the old firmware - or on the new one with litedram? | 03:09 |
| mithro | tumbleweed: I forget were we got up too | 03:47 |
| mithro | tumbleweed: I thought we discovered you may have been flashing the .bit files rather than the .bin files? | 03:48 |
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| mithro | hey rohitksingh_work | 04:06 |
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| rohitksingh_work | mithro: hi! | 04:11 |
| mithro | rohitksingh_work: You didn't happen to do that VGA board stuff yesterday? | 04:12 |
| rohitksingh_work | Yeah. I was busy last 2 days :p | 04:14 |
| rohitksingh_work | I'll confirm is tonight after work | 04:14 |
| rohitksingh_work | *confirm it | 04:14 |
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| mithro | xfxf: http://www.jaycar.com.au/720p-high-definition-p2p-wi-fi-dome-camera/p/QC3842 ? | 04:54 |
| tpb | Title: 720p High Definition P2P Wi-Fi Dome Camera | Jaycar Electronics (at www.jaycar.com.au) | 04:54 |
| xfxf | optics in those things are usually awful for conferences where you need sufficient optical zoom | 04:59 |
| cr1901_modern | mithro: Old firmware. But this is happening with "minispartan_base" now | 05:20 |
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| tumbleweed | mithro: no | 06:13 |
| tumbleweed | mithro: we discovered that you could reproduce the probem | 06:13 |
| mithro | cr1901_modern: we know that the firmware locks up when executing from dram | 06:55 |
| mithro | cr1901_modern: which was one of the main reasons that _florent_ did lite dram | 06:56 |
| mithro | tumbleweed: I'm afraid that all context of that problem has been paged out to /dev/null | 06:57 |
| mithro | xfxf: You know that antec mitx case you are using for the opsis (the non-Inset one) | 07:01 |
| mithro | xfxf: I just found one in the makerspace throw out pile | 07:01 |
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| tumbleweed | mithro: from what I see in the logs, you'd reproduced it on one of xfxf's boards | 07:16 |
| cr1901_modern | mithro: That's fine. I'm a little concerned that I don't know when the crashing was introduced. I initially thought it was because of a bug in the HDMIIn submodule of minispartan6_video. But seeing minispartan6_base makes have the same bug throws out that theory. | 07:17 |
| cr1901_modern | s/makes// | 07:17 |
| mithro | cr1901_modern: The bug wasn't introduced by you - but by something in misoc a while ago | 07:17 |
| mithro | cr1901_modern: the reason that it only occurs on the minispartan6+ is that everything else uses blockram for executing the firmware | 07:17 |
| cr1901_modern | Ahhh... wait... you mean an L2 cache? | 07:18 |
| cr1901_modern | mithro: Ahh yes, I seem to recall that in MiSoC it's possible to assign different parts of the address space to different types of RAM | 07:20 |
| cr1901_modern | so in everything except minispartan, you store the firmware (code region) in block RAM, and store the data that goes in and out in DRAM? | 07:21 |
| mithro | cr1901_modern: Yes | 07:22 |
| cr1901_modern | mithro: Where's the litedram branch? I'll test that out. In any case, pending the bug going away, minispartan now has both PLLs available for input and output | 07:24 |
| mithro | cr1901_modern: The litedram branch is currently opsis-only but it should be pretty easy to port to the minispartan | 07:24 |
| mithro | cr1901_modern: https://github.com/enjoy-digital/opsis-soc | 07:25 |
| tpb | Title: GitHub - enjoy-digital/opsis-soc: Opsis SoC based on LiteX (at github.com) | 07:25 |
| cr1901_modern | mithro: What about integrating it into HDMI2USB? | 07:26 |
| cr1901_modern | LiteX != Migen, as I've found out the hard way in the past | 07:26 |
| cr1901_modern | I think at the very least I'll try building a minispartan bitstream that has both input and output capabilities now that both PLLs are available | 07:27 |
| mithro | cr1901_modern: We have a goal to replace the misoc repo with the contents of that repo in the near future | 07:28 |
| cr1901_modern | mithro: Do you think for the time being it would be worth replacing the CPU clk PLL in my HDMI2USB repo, even though I can't extensively test it? | 07:29 |
| cr1901_modern | I can port the LiteX base to minispartan as a proof of concept | 07:30 |
| mithro | cr1901_modern: It would be useful to port the HDMI2USB stuff for the minispartan6 to the opsis-soc stuff | 07:52 |
| mithro | cr1901_modern: Your a windows person right? https://gist.github.com/mithro/604da515edc1061a77a8ee6c1fe729e6 | 07:52 |
| tpb | Title: Script to get all the enjoy-digital repos and set up a conda environment for using them in ยท GitHub (at gist.github.com) | 07:52 |
| mithro | cr1901_modern: That won't work for you - but you can see the theory :P | 07:53 |
| mithro | cr1901_modern: I'll have to do that work eventually, so happy for someone to start :) | 07:54 |
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| cr1901_modern | mithro: Yes, I am a Windoze person to a first approximation :) | 07:58 |
| cr1901_modern | mithro: I also had some patches to add Windoze building support | 07:59 |
| cr1901_modern | not much has to be changed. Msys2 would be required | 07:59 |
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