<mithro> sajattack: Yes - but it gives an example of how to map an AXI into the memory bus instead of using LiteDRAM
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<sajattack> ok
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<atommann> Hi, I am trying the linux-on-litex-vexriscv project with a Xilinx KC705 evaluation board.
<atommann> At the beginning it always prints some corrupted data in the terminal.
<atommann> I changed the baudrate, from uart_baudrate = 1e6 to baudrate = 921600, it now prints the correct message.
<atommann> The datasheet of CP2103 shows the maximum baudrate it supports is 921600.
<atommann> now I face a new issue: memtest fails every time.
<tpb> Title: gist:63cf6a3d5fb537589ed1a9d8474dd53f · GitHub (at gist.github.com)
<atommann> I searched in github and google, there was a pull request with similar issue, but it is related with ECP5.
<atommann> any clue or hint I can get rid of this?
<atommann> Thank you.
<_florent_> atommann: thanks for reporting, there is indeed a regression on the KC705 calibration i also encoutered a few days ago
<_florent_> atommann: i created an issue with a workaround you can use for now https://github.com/enjoy-digital/litex/issues/361
<tpb> Title: KC705 DDR3 calibration regression · Issue #361 · enjoy-digital/litex · GitHub (at github.com)
<atommann> Hi _florent, thanks a lot!
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<atommann> now memtest works fine.
<_florent_> atommann: great, i'll try to fix the calibration with all the modules soon. You should be able to run linux-on-litex-vexriscv now
<atommann> lxterm --images=images.json /dev/ttyUSB0 --speed=921600 --no-crc
<atommann> I typed this command. it stopped at [LXTERM] Booting the device.
<atommann> [LXTERM] Done.
<atommann> then nothing happens.
<atommann> this time, the serial port is printing some characters computer can not recognize. I'm waiting to see what will happen.
<_florent_> atommann: can you share your bitstream? I have a KC705 just near me and could test
<atommann> at "Boot" state, it says: CCCCToo many consecutive errors, abortingNo boot medium found
<_florent_> ah ok
<_florent_> can you try lowering the baudrate?
<_florent_> to 500000 for example
<atommann> OK
<atommann> Sent an email to florent@enjoy-digital.fr
<_florent_> ok thanks
<_florent_> atommann: i'll do the test if you still have the issue with a lower baudrate
<atommann> OK. I'm trying 115200
<atommann> _florent_, it work! Now I feel so exciting!
<_florent_> atommann: great!
<atommann> Before MAIN-RAM: 16384KB, so it's 16MB, now MAIN-RAM: 262144KB
<_florent_> sorry, before what?
<atommann> I deleted the local repo of linux-on-litex-vexriscv and do a brand new cloning of the repo.
<_florent_> ah ok
<atommann> changed the baudrate to 500000 then build the bitstream, it just work.
<atommann> It is so cool.
<atommann> Thank you for the help.
<_florent_> Happy you got it working :)
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<atommann> Just submitted an issue.
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