2023-04-17.log

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kop316[m]minute: 16:21
kop316[m]hey! So in my uni, we were looking at a test support board for custom ASICs, and I pointed out this:16:21
kop316[m]https://mntre.com/media/reform_md/2022-09-29-rkx7-showcase.html16:21
kop316[m]There is some interest in it, but my group was more interested in wiring out high speed interfaces, e.g. PCIe or DMA type interfaces. On a scale from 1 to Crazy, what would you think of modding that SoM for that purpose?16:21
+ hochata (~user@user/hochata)16:26
minuteSATA on ls1028a works16:28
minutekop316[m]: it depends on how many interfaces you need and do you want to spin your own pcb? or you could perhaps custom order from us16:29
kop316[m]minute: yeah the assumption is spinning a custom PCB, as I don't think the board by itself could do it. 16:32
kop316[m]We were looking for a way to consolidate some off our ASIC test infrastructure with high speed i?o mainl16:32
kop316[m]I/O Mainly*16:33
bkeysminute: Any updates on cm4 adapter board?16:45
minutekop316[m]: so yeah, the rkx7 was designed for this kind of stuff, i.e. to prototype SoC designs16:53
minutekop316[m]: you should be able to modify it in kicad. the easiest way if you want more i/o would probably be to add 2 more layers to the pcb16:53
minutekop316[m]: and there's a lot of unused (unconnected) pads on the kintex16:54
kop316[m]minute: Cool! That is what I was thinking, and it would be a lot less painful than other ideas my group had.....16:55
minutekop316[m]: oh, i wonder what those other ideas were :D16:55
minutebkeys: there's a plan for mechanical integration, i just have to finish the new pcb designs and do a respin, and order the "generic heatsink" prototype.16:56
kop316[m]minute: heh. Well the original option was to buy a memory controller from Synopsys, which....would be very expensive. Then they looked at taking other boards to see if they could modify them directly, but the ones they looked at had no schematics. 16:56
minutekop316[m]: make sure to check out antmicro's open hardware designs as well16:56
kop316[m]minute: ohhhh neat! I have never seen this before16:57
minutekop316[m]: https://opensource.antmicro.com/projects/data-center-dram-tester16:57
kop316[m]minute: ...woah, that is almost exactly what we are looking for16:59
minutenice16:59
kop316[m]thanks minute ! these are awesome options to bring to the prof.17:00
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+ natalie (~natalie@user/natalie)17:36
minutei have the OS on SATA now @ ls1028a and trying to build mesa on it to do a bit of a stress test18:03
minutethe only untested feature now is the eGPU via the pcie lane that goes to the hdmi port18:03
+ ajr (~ajr@user/ajr)18:37
sevanhas the CPU module grown tentacles?18:50
sevan:)18:50
+ mark_ (~mjw@gnu.wildebeest.org)19:00
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minutesevan: kind of19:03
sevan<319:04
- frank2 (QUIT: Ping timeout: 276 seconds) (~frank2@juicy.frank2.net)19:06
minutesevan: pix https://mastodon.social/@mntmn/11021525703281751019:14
sevannice :D19:14
minutetentacles indeed19:14
sevanhehe19:15
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joschminute: did you try suspend and resume on the ls1028a?21:04
minutejosch: nope21:07
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