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mithro
shenki: Effectively the "litex / misoc IRQs" hang off the integrated OpenRISC IRQ controller
4:02 AM
4:02 AM
tpb
Title: mor1kx/mor1kx_pic.v at 75b928a2287ca926d320915fa4ff165957bb0eaf · openrisc/mor1kx · GitHub (at
github.com )
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shenki
mithro: we have OPTION_PIC_TRIGGER set to LEVEL?
4:05 AM
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mithro
shenki: Yes
4:05 AM
shenki
heh, having the verilog as documentation++
4:06 AM
mithro: i really want to get into this but I have to do some other stuff first
4:06 AM
mithro
4:06 AM
tpb
Title: misoc/core.py at master · m-labs/misoc · GitHub (at
github.com )
4:15 AM
mithro
shenki: No worries
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shenki: You should join #openrisc
6:13 AM
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tpb
Title: MimasV2 and mor1kx tuning for Linux - Google Sheets (at
docs.google.com )
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mithro
shenki: what does " * We WFI while spinning in the boot loop." mean?
8:10 AM
tumbleweed
mithro: interesting interaction with opsis + long HDMI run + projector at pyconza
8:10 AM
black areas get green noise
8:10 AM
atlys doesn't have that problem
8:10 AM
mithro
Green noise?
8:10 AM
tumbleweed
and putting a magic cable on the output, before the long HDMI run fixed it
8:11 AM
I'll pull out the magic cable at some point, and grab you a photo
8:11 AM
but black areas seem to get lots of green coloured noise
8:11 AM
mostly white screens look fine
8:11 AM
mithro
Video of it would be useful to
8:11 AM
tumbleweed
but any black block (terminal / whatever) looks horrible
8:11 AM
also, with that hdmi cable plugged in, the opsis wouldn't boot
8:12 AM
I'm guessing power drain on the HDMI port?
8:12 AM
mithro
Check the 5v regulators
8:12 AM
tumbleweed
OK
8:13 AM
mithro
8:13 AM
tumbleweed
hrm, so there are regulators for each output
8:13 AM
that doesn't really explain that then
8:17 AM
mithro
tumbleweed: Was anything plugged in to the other end?
8:19 AM
tumbleweed
projector
8:20 AM
mithro
Try putting an opsis at the other end of the cable and seeing what the debug output says
8:20 AM
tumbleweed
that would require some scaffolding...
8:20 AM
mithro
Ahh
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paddatrapper
Which they pulled down yesterday
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mithro
paddatrapper: I assume you haven't gotten anywhere with the fx2 stuff recently?
9:26 AM
paddatrapper
mithro: no. Wanted to work on it last week, but didn't end up happening. Spent waaaay too much time organising pyconza...
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CarlFK[m]
tumbleweed (IRC): will you have the cable when the show is over? (like take it to sprints)
12:25 PM
tumbleweed
no, it's built in to the building
12:32 PM
CarlFK[m]
ah
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shorne_
mithro: yes, eactly that de0 nano
13:58 PM
it can run 2 mor1k cores and boot smp linux
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shenki
mithro: WFI? Wait for Interrupt? Did I write that?
14:15 PM
mithro: heh, why does half of the memory tests fail in the 'B1' sheet?
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mithro
shorne: what "config" do you run the de0 nano cores in?
19:35 PM
shenki: the B1 probably fails the memtest as the clocks for the SDRAM are now probably wrong
20:01 PM
20:01 PM
tpb
Title: TimVideos Hackfest 2018 (before LCA2018) (at goo.gl)
20:01 PM
TOPIC: 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
20:02 PM
TOPIC: 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
20:02 PM
TOPIC: 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
20:02 PM
mithro
Third time lucky!
21:00 PM
shenki
that will get everyone's attention :)
22:35 PM
mithro
shenki: The "WFI" comment was in the Linux RISC-V support patchset that you forwarded me...
22:37 PM
22:37 PM
tpb
Title: Terasic - DE Main Boards - Cyclone - DE0-Nano Development and Education Board (at
www.terasic.com.tw )
22:37 PM
mithro
shorne: Oh, I already asked you that the other day :-P
22:42 PM
shorne
mithro: yes that board, its 50mhz, the configs we all keep in fusesoc orpsoc-cores
22:42 PM
I am working on my multicore branch right now
22:42 PM
22:42 PM
tpb
Title: orpsoc-cores/systems at multicore · stffrdhrn/orpsoc-cores · GitHub (at
github.com )
22:43 PM
shorne
There are 2 soc configs for de0_nano single core and 2 core
22:43 PM
The main config for the soc layout is here:
22:44 PM
22:44 PM
tpb
Title: orpsoc-cores/wb_intercon.conf at multicore · stffrdhrn/orpsoc-cores · GitHub (at
github.com )
22:44 PM
shorne
The toplevel is here:
22:44 PM
22:44 PM
tpb
Title: orpsoc-cores/orpsoc_top.v at multicore · stffrdhrn/orpsoc-cores · GitHub (at
github.com )
22:45 PM
mithro
shorne: Your quicker then I :-P -- was about to paste that...
23:04 PM
shorne
Once I start on mimas and arty I was planning to use fusesoc
23:04 PM
but it seems you guys use something a bit different
23:18 PM
mithro
shorne: Correct - we use LiteX (a soft fork of Migen/MiSoC)
23:18 PM
23:18 PM
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 )
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