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| sf-slack2 | <nikolaus.luhrs> I'm confused on how to instantiate a PLL from verilog (or any dedicated hardware block for that matter) when using project Project Trellis. | 16:27 |
|---|---|---|
| daveshah | nikolaus.luhrs: have a look at the ecppll tool | 16:29 |
| sf-slack2 | <nikolaus.luhrs> Ahhhhh ok, that makes sense. | 16:33 |
| sf-slack2 | <nikolaus.luhrs> I suppose there wouldn't be a good way to standardize that across fpga families anyway | 16:33 |
| daveshah | No, usually there is some similarity between vendors (n.b. ice40 and ecp5 are effectively different vendors) but not beyond that | 16:34 |
| sf-slack2 | <nikolaus.luhrs> Project x-ray hasn't really gotten to PLLs yet right? I guess I'd like to see tools for blocks like this kept as similar as possible across vendors. That way portability of work would be maximized. | 16:51 |
| hackerfoo | nikolaus.luhrs: Not yet: https://github.com/SymbiFlow/prjxray/issues/995 | 17:03 |
| tpb | Title: Create PLLE2_ADV minitest · Issue #995 · SymbiFlow/prjxray · GitHub (at github.com) | 17:03 |
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| jiapei100 | Hello everyone... | 17:17 |
| hackerfoo | jiapei100: Hi | 17:34 |
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| jiapei100 | Hello... 🌹🌹🌹 | 18:32 |
| jiapei100 | My FIRST time .... Thanks for the open source .... ❤❤❤ | 18:33 |
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| LongerVision | Hello | 18:44 |
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| hackerfoo | Hi LongerVision | 20:17 |
| hackerfoo | jiapei100: Symbiflow is a collaborative effort... are you interested in contributing? | 20:22 |
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| jiapei100 | How I wish I have the FPGA capability...👌👌👌 | 20:23 |
| jiapei100 | no mattee what... if I can comtribute JUST a little bit, I'd love to contribute ✌✌ | 20:23 |
| hackerfoo | jiapei100: Are you also LongerVision? https://github.com/LongerVision | 20:25 |
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| tpb | Title: Longer Vision Technology · GitHub (at github.com) | 20:25 |
| jiapei100 | yup... Both are me... | 20:29 |
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| hackerfoo | jiapei100: Here's a list of good starter issues: https://github.com/issues?utf8=%E2%9C%93&q=is%3Aopen+is%3Aissue+user%3ASymbiflow+label%3A%22good+first+issue%22 | 21:04 |
| hackerfoo | jiapei100: Let me know if there is something you are interested in working on, and I can help you get started. A good starting point is downloading and setting up https://github.com/SymbiFlow/symbiflow-arch-defs and noting any problems that you have in the process. | 21:11 |
| tpb | Title: GitHub - SymbiFlow/symbiflow-arch-defs: FOSS architecture definitions of FPGA hardware useful for doing PnR device generation. (at github.com) | 21:11 |
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| LongerVision | ok... it's me ... back again... | 21:37 |
| hackerfoo | LongerVision: Did you get my previous messages? | 21:39 |
| hackerfoo | jiapei100: Here's a list of good starter issues: https://github.com/issues?utf8=%E2%9C%93&q=is%3Aopen+is%3Aissue+user%3ASymbiflow+label%3A%22good+first+issue%22 | 21:39 |
| hackerfoo | Let me know if there is something you are interested in working on, and I can help you get started. A good starting point is downloading and setting up https://github.com/SymbiFlow/symbiflow-arch-defs and noting any problems that you have in the process. | 21:40 |
| tpb | Title: GitHub - SymbiFlow/symbiflow-arch-defs: FOSS architecture definitions of FPGA hardware useful for doing PnR device generation. (at github.com) | 21:40 |
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| LongerVision | @hackerfoo Thank you very much... check it out ALREADY... Trying to catch up ASAP... | 21:48 |
| hackerfoo | LongerVision: Please let me know if you would like me to explain any of the documentation. It would be nice to have translations for others. | 21:49 |
| LongerVision | @hackerfoo you are NOT a robot, aren't you? ^_^ | 21:49 |
| hackerfoo | LongerVision: No, but it is not the first time I've been asked that :) | 21:50 |
| LongerVision | ^_^ How big is your team? Looks like you've used so many languages... ^_^ | 21:51 |
| LongerVision | BTW, you know RISC-V? What's your plan to compete against it? | 21:51 |
| hackerfoo | This is me: http://hackerfoo.com/about.html | 21:52 |
| tpb | Title: HackerFoo Writes Stuff Here - About (at hackerfoo.com) | 21:52 |
| sorear | symbiflow and riscv are complementary, not competitors, and many of us work on both | 21:55 |
| hackerfoo | LongerVision: RISC-V is great. Symbiflow is about FPGAs, though. You can implement RISC-V on an FPGA: https://github.com/cliffordwolf/picorv32 | 21:55 |
| tpb | Title: GitHub - cliffordwolf/picorv32: PicoRV32 - A Size-Optimized RISC-V CPU (at github.com) | 21:55 |
| hackerfoo | LongerVision: https://github.com/orgs/SymbiFlow/people | 21:56 |
| tpb | Title: People · SymbiFlow · GitHub (at github.com) | 21:56 |
| hackerfoo | There's about 10 active contributors. | 21:58 |
| LongerVision | https://github.com/cliffordwolf/picorv32 ALREADY focked... But, do I need a particular board for that??? | 21:58 |
| tpb | Title: GitHub - cliffordwolf/picorv32: PicoRV32 - A Size-Optimized RISC-V CPU (at github.com) | 21:58 |
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| sorear | people have gotten it working on a bunch of different boards, even on ASIC | 22:03 |
| LongerVision | BTW， what's the relationship between IRC and SLACK? It looks these two have som similarities.... | 22:04 |
| hackerfoo | LongerVision: What boards do you have? | 22:10 |
| hackerfoo | We have a Slack mirror: https://symbiflow.slack.com/ | 22:10 |
| hackerfoo | You can use either one. | 22:11 |
| hackerfoo | https://github.com/SymbiFlow/symbiflow-arch-defs/tree/master/tests/9-soc/picosoc | 22:12 |
| tpb | Title: symbiflow-arch-defs/tests/9-soc/picosoc at master · SymbiFlow/symbiflow-arch-defs · GitHub (at github.com) | 22:12 |
| hackerfoo | We are working on getting Linux running on a LiteX generated SoC: https://github.com/orgs/SymbiFlow/projects/17#card-24595720 | 22:14 |
| tpb | Title: LiteX/Linux on Arty - Burndown · GitHub (at github.com) | 22:15 |
| hackerfoo | https://github.com/enjoy-digital/litex | 22:15 |
| tpb | Title: GitHub - enjoy-digital/litex: Build your hardware, easily! (at github.com) | 22:15 |
| hackerfoo | LiteX includes RISC-V cores. | 22:15 |
| LongerVision | I‘ve got a HiFive1 Rev B01, which is an AVR, it does NOT support Linux.... | 22:46 |
| sorear | what about it? it’s not a fpga | 22:52 |
| LongerVision | It is NOT... It seems SiFive can design your own chip based on FPGA online .... | 22:56 |
| LongerVision | https://scs.sifive.com/core-designer/ | 22:57 |
| tpb | Title: Design - SiFive (at scs.sifive.com) | 22:57 |
| LongerVision | I cannot afford that HiFive Unleashed, so expensive.... | 22:58 |
| LongerVision | HiFive1 Rev B is an MCU core, which is much cheaper | 22:58 |
| sorear | much smaller chip on an older node | 23:00 |
| LongerVision | So, if I want to test this symbiflow, which low-cost board do you recommend? | 23:02 |
| LongerVision | LiteX also supports RISC-V | 23:03 |
| sorear | I don’t know why you keep bringing up RISC-V and SiFive | 23:06 |
| LongerVision | Sorry ... I'm for sure NOT advertising for them... | 23:08 |
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| hackerfoo | LongerVision: If you are interested in RISC-V, you might look for the Sipeed MAix locally: https://www.seeedstudio.com/sipeed | 23:32 |
| tpb | Title: Sipeed MAIX: RISC-V AI Dev Boards and Peripherals (at www.seeedstudio.com) | 23:32 |
| hackerfoo | But if you're interested in working on Symbiflow, I suggest getting a BASYS 3. | 23:32 |
| hackerfoo | That is what we develop on. | 23:33 |
| hackerfoo | That said, you can still contribute without a board. You'll just need a Linux computer and Vivado 2017.2 | 23:34 |
| LongerVision | Does Vivado requires a license? | 23:38 |
| hackerfoo | Not for the free (WebPACK) version. | 23:43 |
| hackerfoo | That's all you need. | 23:43 |
| hackerfoo | LongerVision: I also suggest reading https://www.rapidwright.io/docs/FPGA_Architecture.html and https://www.rapidwright.io/docs/Xilinx_Architecture.html | 23:45 |
| tpb | Title: FPGA Architecture Basics RapidWright 2019.1.1-beta documentation (at www.rapidwright.io) | 23:45 |
| LongerVision | Thank you so so so much 👌👌👌 | 23:46 |
| LongerVision | sipeed? wow... that is a ShenZhen company 👍👍 | 23:47 |
| hackerfoo | Yes. I believe seeedstudio is also in ShenZhen. | 23:51 |
| hackerfoo | You also should be able to find Artix7 boards locally, if not the BASYS 3. | 23:53 |
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