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| infinite_recursi | When we start a PC, as soon as the processor starts, it looks for bootloader on a specific flash chip. When we power up an fpga board, where does it find software? | 16:27 |
|---|---|---|
| infinite_recursi | I have Olimex HX8K fpga board | 16:27 |
| infinite_recursi | Also, since there is no processing core, how will the logic run? I presume since there's only 1 2MB serial flash on my board, software(probably bitstream) will be stored on it. | 16:32 |
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| lambda | infinite_recursi: that'll be documented in your FPGA's datasheet - but yes, it will probably try to read a bitstream from an attached serial flash | 17:00 |
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| Lofty | Or onboard flash in some cases | 17:51 |
| HackerFoo | infinite_recursi: There is a dedicated state machine to load bitstreams for SRAM-based FPGAs. | 18:41 |
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| mithro | litghost: https://github.com/SymbiFlow/prjxray-db/compare/master...mithro:master | 21:32 |
| litghost | mithro: Looks like some stray files got added? https://github.com/SymbiFlow/prjxray-db/compare/master...mithro:master#diff-208b194ff1a978133891187943b8c004ef80d74b78b6950201ca230457747455 | 21:33 |
| mithro | Yeap, just saw it when I sent you the link | 21:34 |
| mithro | Try now | 21:34 |
| litghost | LGTM! | 21:35 |
| mithro | litghost: Pushed to master | 21:36 |
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| lambda | just rediscovered an issue in yosys or nextpnr-xilinx that I talked about here almost a year ago (IRC logs confirmed my hunch), too bad the latter is officially very dead now | 22:09 |
| lambda | what is the current state of affairs for FOSS 7series PnR? | 22:10 |
| litghost | Development continues. https://github.com/SymbiFlow/symbiflow-examples/tree/master/xc7 has some pre-baked examples. Initial MMCM support is almost merged. PCIe development is starting up. Someone is working on adding all/most form factors in a7/z7/k7 parts. | 22:23 |
| litghost | Someone is trying to standup spartan7 support, but I don't know the state of that | 22:24 |
| lambda | nice, I hadn't come across the symbiflow_* tools until now, where do they come from? | 22:29 |
| litghost | They are the output products from https://github.com/SymbiFlow/symbiflow-arch-defs/ so people don't need to deal with the current construction process | 22:30 |
| lambda | ah alright, I must admit I'm not very familiar with anything outside the symbiotic bubble | 22:31 |
| litghost | Understood | 22:31 |
| lambda | will have a look at setting this up tomorrow, thanks | 22:32 |
| litghost | Word of warning, we only really have linux support at the moment | 22:33 |
| litghost | We are working on fixing that, but that is the current state of affairs | 22:33 |
| lambda | I don't mind, I've been using Arch exclusively for a few years now :) | 22:34 |
| litghost | If you run into a problem, please feel free to file an issue | 22:35 |
| lambda | will do | 22:36 |
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