Comments (12)
enjoy-digital
commented on August 17, 2024
Hi @rob-ng15,
sorry for the delay. Can you share the platform file you created so that i do some tests and try to understand? It seems there is a conflict in the constraint file.
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rob-ng15
commented on August 17, 2024
Many thanks.
On the DE10nano the UART is connected to the ARM processor (HPS in the FPGA
terms) and is not accessible to the FPGA.
I'll dig the file out of my archives, as in the setup that I have it had
128mb sdram, so could be useful.
Some peripherals will need to be via the HPS system.
…On Fri, 6 Dec 2019, 15:20 enjoy-digital, ***@***.***> wrote:
Hi @rob-ng15 <https://github.com/rob-ng15>,
sorry for the delay. Can you share the platform file you created so that i
do some tests and try to understand? It seems there is a conflict in the
constraint file.
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rob-ng15
commented on August 17, 2024
The PLATFORMS file
de10nano.pdf
The TARGETS file
de10nano.pdf
These are just modified de0 nano files, with the SDRAM from the MiSTer project linked. These WON'T compile due to the problem with the UART pins, probably due to them being on the ARM processor side.
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AnttiLukats
commented on August 17, 2024
you can use jtag_uart that what we do
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enjoy-digital
commented on August 17, 2024
@rob-ng15: as @AnttiLukats suggests, you can use the JTAG UART by adding --uart-name=jtag_atlanticwhen building your target file.
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rob-ng15
commented on August 17, 2024
Many thanks for the feedback. I believe I have it built for the de10 nano + MiSTer SDRAM and I/O board. Will test when the FTDI lead with pins arrives.
Can I ask where do I put the --uart-name=jtag_atlantic ?
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enjoy-digital
commented on August 17, 2024
When building your target, instead if just executing it, do: ./target.py --uart-name=jtag_atlantic
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rob-ng15
commented on August 17, 2024
Many thanks for that. I have it running, kind of. I have a system that boots to the BIOS, but due to having to use nios2-terminal to communicate with the board, no way of using lxterm to load and boot the linux image. That may be doable once the breakout cables arrive, fingers cross.
I've attached my files, included are a couple of screenshots. The de10nano is configured for MiSTer, https://github.com/MiSTer-devel/Main_MiSTer/wiki , and has all of the expansion boards, 128MB SDRAM, USB-HUB and I/O board (the USB3 a like port will be used for serial once cables arrive).
To go further with the de10nano, I guess it will be necessary to use the HPS system, to allow USB, ethernet, which is a shame, as it is a great board.
Anyway, for now, here it all is!
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rob-ng15
commented on August 17, 2024
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enjoy-digital
commented on August 17, 2024
Nice, thanks for sharing your results! Happy to merge it to litex-boards if you create a pull request for it. (could be located in community). I'm closing this since the problem is now identified and things are working.
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rob-ng15
commented on August 17, 2024
Hello.
I've been unable to create a branch/pull request for this code. Can this be done?
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rob-ng15
commented on August 17, 2024
I've uploaded my files, so far, to https://github.com/rob-ng15/litex-mister
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