#litex on 2021-02-26 — irc logs at freenode.irclog.whitequark.org

2020-02-07 11:13 _florent_ changed the topic of #litex to: LiteX FPGA SoC builder and Cores / Github : https://github.com/enjoy-digital, https://github.com/litex-hub / Logs: https://freenode.irclog.whitequark.org/litex

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20:14 <nickoe> _florent_: Hi. Did you see my comment in https://github.com/enjoy-digital/litex/issues/712#issuecomment-786304560 ?

20:17 <dayjaby> Nice, feel free to create a pull request with that :)

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21:29 <nickoe> dayjaby: Well, I have not idea if that hides other problems or not

22:04 <nickoe> I don't get this, in my vcd output file from my simlation I can't get the leds , but a friend of mine do get it! :O

22:04 <nickoe> Anyone who can try it ouy? https://github.com/nickoe/litex-boards/tree/mars_ax3_sim

22:04 <nickoe> to to the targets dir

22:04 <nickoe> generate a demo.bin

22:05 <nickoe> ./mars_ax3_sim_litex.py --with-sdram --sdram-init=demo.bin --with-analyzer --trace

22:46 <nickoe> even though I have read through https://github.com/enjoy-digital/litex/wiki/Use-LiteScope-To-Debug-A-SoC a couple of times. I still struggle to understand what I can give to the analyzer_signals

23:09 <somlo> 32-bit CSR data width support has landed upstream -- thanks again shorne_ ! (https://github.com/torvalds/linux/commit/a3905af5be36b9aa9f17657a02eeb2a08e939c13)

23:09 <nickoe> somlo: What does that mean?

23:10 <nickoe> I thought the registers were always 32 bit for a 32 bit riscv?

23:11 <somlo> this also means that https://github.com/litex-hub/linux/tree/litex-rebase is now limited to containing device drivers only (https://github.com/torvalds/linux/compare/master...litex-hub:litex-rebase)

23:12 <somlo> nickoe: in LiteX, "CSR" is slang for an MMIO device register (not to be confused with risc-v CSRs, which are a rather different thing altogether)

23:12 <nickoe> ah, ok

23:13 <nickoe> but meh, I am just stuck with my simulation here

23:14 <somlo> nickoe: https://github.com/enjoy-digital/litex/wiki/CSR-Bus for the gory details :)

23:18 <nickoe> I a not sure I have the brainwidth to consume that right now

23:19 <somlo> I sympathize with that -- it's been a LOOONG February, glad it's almost over :)

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