Comments (10)
can we rewrite the guide to use https://github.com/trabucayre/openFPGALoader? This tool is way simpler to use than openOCD and it supports xc7 boards we target
Universal utility for programming FPGA. Contribute to trabucayre/openFPGALoader development by creating an account on GitHub.
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I'd be willing to give it a try if it simplifies things overall.
- is it easy to add to the downloads/packages for the user, or can they install it with apt-get?
- it has an AGPL license -- is that an issue?
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it has an AGPL license -- is that an issue?
this is not an issue if we just use it as a third party tool. (BTW openocd is GPL licensed)
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@kgugala - I'm afraid we can't touch anything which is AGPL. GPL is fine.
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https://opensource.google/docs/using/agpl-policy/
opensource.google
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oh, OK. So we need to fix openocd instructions then
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@kgugala - If anyone has a good relationship with the openFPGALoader people, it might be worth talking to them and seeing if they would consider "downgrading" to just GPL (rather than AGPL) -- which means we could then use them. I'm not sure the AGPL makes a lot of sense for their software anyway - the additions in AGPL are mainly focused towards "web" technologies like databases, web apps, etc.
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Seems its more than one person but the main committer is [email protected]
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In case it's relevant: digilent_arty.cfg
seems to be found in the openocd that comes from the litex::openocd conda package, which is incompatible with python 3.8 which is installed following the directions in this repository.
I'm not seeing any obvious difference between digilent_arty.cfg
and the arty_s7.cfg
in upstream OpenOCD which can be installed outside of conda. Although I've successfully programmed my Arty A7-100T with arty_s7.cfg
in the past, and substituting it in the example command (after first cd counter_test/build/arty_100/
) produces no errors, I don't see any flashing LEDs.
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@pabigot @tcal-x I have opened a PR to:
- fix the absence of openocd in the env (and also the link to the config file);
- fix the non-working counter test for arty. There was a typo in the constraints files which messed up the IOSTANDARD values of the LEDs IOPADs.
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Related Issues (20)
- Typedef Enum Width Default to one bit HOT 6
- Localparam not working properly HOT 4
- Signal not in Net List with one bit wires HOT 3
- Unable to handle Shift with Ternary operator HOT 6
- Array does not work with integers HOT 6
- Codebreaker Lab Failure HOT 6
- Switch to using openFPGALoader as the default tool to upload bitstreams to xc7 devices
- JTAG init failed with: unable to open ftdi device HOT 2
- What happened to the LiteX Linux and LiteX SATA demos? HOT 1
- make: f4pga: No such file or directory make: *** [Makefile:10: build] Error 127 HOT 3
- Built in gates cannot take multi-bit signal (Surelog) HOT 4
- It is very hard to find the design / example list now HOT 6
- add support for xc7a50tfgg484-1
- Update litex_demo to use F4PGA flow and current LiteX
- PicoSoC demo does not work out of the box HOT 3
- The final installation command is very easy to mess up HOT 2
- Update README files of xc7/Example-Projects to add instructions for removing the generated files produced during the build process.
- linux_litex_demo VexRiscv_Linux.v needed by arty_35/top.eblif
- btn_counter on Arty a7?
- litex_demo top.bit not found
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