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| markos_ | lkcl, 18 months for working ddr3 seems unreasonably long. I am pretty sure that a focused developer can get it working in a couple of months, tops. This is not something that has not been achieved before, we're not treading in unknown waters here, nor are we reinventing the wheel. | 08:27 |
|---|---|---|
| markos_ | this is just glueing existing components to get them working together | 08:28 |
| markos_ | also, I don't care if nlnet want to pay this in someone else's grant, money is *not* the object here, this is important enough for the progress of the project | 08:30 |
| markos_ | s/this/hyperram pmods/ | 08:30 |
| markos_ | they can do that in parallel, it doesn't matter | 08:30 |
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| markos_ | in anycase, I don't want to argue on this forever, if we disagree it's fine, but I'm just going to let you know that in that case I will investigate this by myself. Regardless the outcome, at least I will learn some HDL/Verilog in the process | 08:34 |
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| lkcl | markos_: a good one to attempt - to give you some idea - is to get both microwatt (joel shenki's microwatt-5.7) and that litex vexrisk-5 demo up-and-running. | 09:30 |
| lkcl | the length of time it takes just to get the dev-environment set up will give you a clearer idea | 09:31 |
| markos_ | ok, thanks for the suggestion | 09:31 |
| lkcl | microwatt on the arty-a7-100t should work out-of-the-box, following joel's instructions, as long as you install the vivado proprietary toolchain | 09:32 |
| lkcl | you'll need the buildroot that i managed to grab a copy of *before* someone in IBM's Legal told them not to distribute binaries, it's on the ftp site | 09:32 |
| lkcl | (attempting to repro-build that microwatt-patched buildroot that joel did does not go well) | 09:33 |
| lkcl | bottom line is, there is a reason why the people who do this stuff are paid EUR 125-250 an hour to do it, and it will be good for you to get a "feel" for the sheer amount of detail | 09:35 |
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| markos_ | I'm no stranger to hard tasks | 09:47 |
| markos_ | and I seldom quit, my only constraint is time as I already have various projects running | 09:47 |
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| cesar | markos_, I have a new bit file for you to try on your Nexys Video | 10:02 |
| cesar | It's compiled with Symbiflow, which is another libre FPGA toolchain. | 10:03 |
| cesar | Please do: | 10:03 |
| cesar | cd ~/src/nmigen-boards | 10:04 |
| cesar | git pull | 10:04 |
| cesar | cd nmigen_boards/test/nexys_video/symbiflow | 10:04 |
| cesar | ./prog.sh | 10:04 |
| markos_ | I don't have the board connected right now but I will retry a bit later, in a meeting right now | 10:04 |
| markos_ | I will let you know | 10:05 |
| cesar | OK. | 10:05 |
| cesar | It should display a binary counter, on four leds. No switches or serial console on this one. | 10:06 |
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| openpowerbot | [irc] <sadoon[m]1> toshywoshy: check this out might be better than the 8 core I'm giving away | 13:26 |
| openpowerbot | [irc] <sadoon[m]1> https://www.ebay.com/itm/374539335549 | 13:26 |
| openpowerbot | [irc] <sadoon[m]1> markos found this earlier | 13:26 |
| openpowerbot | [irc] <sadoon[m]1> 22 core for 800$ is dirt cheap | 13:26 |
| openpowerbot | [irc] <sadoon[m]1> 725* | 13:27 |
| openpowerbot | [irc] <sadoon[m]1> Also anyone looking for a POWER9 CPU you should really get this while supplies last | 13:28 |
| openpowerbot | [irc] <sadoon[m]1> There's 12 left | 13:28 |
| openpowerbot | [irc] <sadoon[m]1> Oh it says 41 left, awesome | 13:28 |
| openpowerbot | [irc] <sadoon[m]1> I sent the 8 core today anyway, but do also consider these 22 cores | 14:02 |
| markos_ | I am finally geting my hands today on the 12c P9s I ordered, it arrived quite early but I was away and it was just waiting in the courier's office for 2 weeks :) | 14:13 |
| openpowerbot | [irc] <sadoon[m]1> Awesome | 14:16 |
| octavius | even with the cpu, how much would the barebones server cost? | 14:27 |
| markos_ | the Talos II? | 14:31 |
| markos_ | it's still expensive | 14:31 |
| markos_ | but cheaper in total if you would buy the P9 at full price | 14:32 |
| openpowerbot | [irc] <sadoon[m]1> Yep the real problem these days is getting your hands on a motherboard | 14:34 |
| openpowerbot | [irc] <sadoon[m]1> Someone is selling his board with an 8 core and got in touch with lkcl | 14:34 |
| openpowerbot | [irc] <sadoon[m]1> Your second best option is getting a server on the used market, POWER9 preferably | 14:36 |
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