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| mithro | shenki: Effectively the "litex / misoc IRQs" hang off the integrated OpenRISC IRQ controller | 04:03 |
|---|---|---|
| mithro | shenki: https://github.com/openrisc/mor1kx/blob/75b928a2287ca926d320915fa4ff165957bb0eaf/rtl/verilog/mor1kx_pic.v#L99-L106 | 04:04 |
| tpb | Title: mor1kx/mor1kx_pic.v at 75b928a2287ca926d320915fa4ff165957bb0eaf · openrisc/mor1kx · GitHub (at github.com) | 04:04 |
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| shenki | mithro: we have OPTION_PIC_TRIGGER set to LEVEL? | 04:06 |
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| mithro | shenki: Yes | 04:06 |
| shenki | heh, having the verilog as documentation++ | 04:07 |
| shenki | mithro: i really want to get into this but I have to do some other stuff first | 04:07 |
| mithro | shenki: https://github.com/m-labs/misoc/blob/master/misoc/cores/mor1kx/core.py | 04:07 |
| tpb | Title: misoc/core.py at master · m-labs/misoc · GitHub (at github.com) | 04:07 |
| mithro | shenki: No worries | 04:16 |
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| mithro | shenki: You should join #openrisc | 06:12 |
| mithro | shenki: Also -> https://docs.google.com/spreadsheets/d/1pNunBJX46jp6ClPFZA29GhlXJmb9lnG9_BEVej7XxL4/edit#gid=1872227914 | 06:15 |
| tpb | Title: MimasV2 and mor1kx tuning for Linux - Google Sheets (at docs.google.com) | 06:15 |
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| mithro | shenki: what does " * We WFI while spinning in the boot loop." mean? | 08:11 |
| tumbleweed | mithro: interesting interaction with opsis + long HDMI run + projector at pyconza | 08:11 |
| tumbleweed | black areas get green noise | 08:11 |
| tumbleweed | atlys doesn't have that problem | 08:11 |
| mithro | Green noise? | 08:12 |
| tumbleweed | and putting a magic cable on the output, before the long HDMI run fixed it | 08:12 |
| tumbleweed | I'll pull out the magic cable at some point, and grab you a photo | 08:12 |
| tumbleweed | but black areas seem to get lots of green coloured noise | 08:12 |
| tumbleweed | mostly white screens look fine | 08:12 |
| mithro | Video of it would be useful to | 08:12 |
| tumbleweed | but any black block (terminal / whatever) looks horrible | 08:12 |
| tumbleweed | also, with that hdmi cable plugged in, the opsis wouldn't boot | 08:13 |
| tumbleweed | I'm guessing power drain on the HDMI port? | 08:13 |
| mithro | Check the 5v regulators | 08:13 |
| tumbleweed | OK | 08:14 |
| mithro | https://opsis.hdmi2usb.tv/getting-started/power.html#extra-details | 08:14 |
| tumbleweed | hrm, so there are regulators for each output | 08:15 |
| tumbleweed | that doesn't really explain that then | 08:15 |
| mithro | tumbleweed: Was anything plugged in to the other end? | 08:19 |
| tumbleweed | projector | 08:21 |
| mithro | Try putting an opsis at the other end of the cable and seeing what the debug output says | 08:21 |
| tumbleweed | that would require some scaffolding... | 08:21 |
| mithro | Ahh | 08:22 |
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| paddatrapper | Which they pulled down yesterday | 08:55 |
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| mithro | paddatrapper: I assume you haven't gotten anywhere with the fx2 stuff recently? | 09:17 |
| paddatrapper | mithro: no. Wanted to work on it last week, but didn't end up happening. Spent waaaay too much time organising pyconza... | 09:27 |
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| CarlFK[m] | tumbleweed (IRC): will you have the cable when the show is over? (like take it to sprints) | 12:26 |
| tumbleweed | no, it's built in to the building | 12:26 |
| CarlFK[m] | ah | 12:33 |
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| shorne_ | mithro: yes, eactly that de0 nano | 13:59 |
| shorne_ | it can run 2 mor1k cores and boot smp linux | 14:00 |
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| shenki | mithro: WFI? Wait for Interrupt? Did I write that? | 14:11 |
| shenki | mithro: heh, why does half of the memory tests fail in the 'B1' sheet? | 14:17 |
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| mithro | shorne: what "config" do you run the de0 nano cores in? | 19:35 |
| mithro | shenki: the B1 probably fails the memtest as the clocks for the SDRAM are now probably wrong | 19:36 |
| mithro | Can everyone in here fill out this form, even if you don't think you can make the TimVideos hackfest -> https://goo.gl/forms/1FI041Iat7LgQA9N2 | 20:02 |
| tpb | Title: TimVideos Hackfest 2018 (before LCA2018) (at goo.gl) | 20:02 |
| *** mithro changes topic to "TimVideos Hackfest: Can everyone in here fill out this form, even if you don't think you can make the TimVideos hackfest -> https://goo.gl/forms/1FI041Iat7LgQA9N2 - *Please fill out* IRC logs: https://logs.timvideos.us/%23timvideos/latest.log.html Mailing lists - https://groups.google.com/group/timvideos Website - http://code.timvideos.us" | 20:03 | |
| *** mithro changes topic to "TimVideos Hackfest: Chttps://goo.gl/forms/1FI041Iat7LgQA9N2 (Please fill out!) IRC logs: https://logs.timvideos.us/%23timvideos/latest.log.html Mailing lists - https://groups.google.com/group/timvideos Website - http://code.timvideos.us" | 20:03 | |
| *** mithro changes topic to "TimVideos Hackfest: https://goo.gl/forms/1FI041Iat7LgQA9N2 (Please fill out!) IRC logs: https://logs.timvideos.us/%23timvideos/latest.log.html Mailing lists - https://groups.google.com/group/timvideos Website - http://code.timvideos.us" | 20:03 | |
| mithro | Third time lucky! | 20:04 |
| shenki | that will get everyone's attention :) | 21:01 |
| mithro | shenki: The "WFI" comment was in the Linux RISC-V support patchset that you forwarded me... | 22:37 |
| mithro | shorne: This board right? http://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&CategoryNo=165&No=593&PartNo=3#section ? | 22:38 |
| tpb | Title: Terasic - DE Main Boards - Cyclone - DE0-Nano Development and Education Board (at www.terasic.com.tw) | 22:38 |
| mithro | shorne: Oh, I already asked you that the other day :-P | 22:39 |
| shorne | mithro: yes that board, its 50mhz, the configs we all keep in fusesoc orpsoc-cores | 22:43 |
| shorne | I am working on my multicore branch right now | 22:44 |
| shorne | https://github.com/stffrdhrn/orpsoc-cores/tree/multicore/systems | 22:44 |
| tpb | Title: orpsoc-cores/systems at multicore · stffrdhrn/orpsoc-cores · GitHub (at github.com) | 22:44 |
| shorne | There are 2 soc configs for de0_nano single core and 2 core | 22:44 |
| shorne | The main config for the soc layout is here: | 22:45 |
| shorne | https://github.com/stffrdhrn/orpsoc-cores/blob/multicore/systems/de0_nano/data/wb_intercon.conf | 22:45 |
| tpb | Title: orpsoc-cores/wb_intercon.conf at multicore · stffrdhrn/orpsoc-cores · GitHub (at github.com) | 22:45 |
| shorne | The toplevel is here: | 22:45 |
| shorne | https://github.com/stffrdhrn/orpsoc-cores/blob/multicore/systems/de0_nano/rtl/verilog/orpsoc_top.v#L318 | 22:46 |
| tpb | Title: orpsoc-cores/orpsoc_top.v at multicore · stffrdhrn/orpsoc-cores · GitHub (at github.com) | 22:46 |
| mithro | shorne: Your quicker then I :-P -- was about to paste that... | 22:47 |
| shorne | Once I start on mimas and arty I was planning to use fusesoc | 23:05 |
| shorne | but it seems you guys use something a bit different | 23:05 |
| mithro | shorne: Correct - we use LiteX (a soft fork of Migen/MiSoC) | 23:19 |
| mithro | shorne: https://github.com/timvideos/HDMI2USB-litex-firmware | 23:19 |
| tpb | Title: GitHub - timvideos/HDMI2USB-litex-firmware: A version of the HDMI2USB firmware based around LiteX tools produced by @Enjoy-Digital (based on misoc+migen created by @M-Labs) (at github.com) | 23:19 |
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