Monday, 2022-12-12

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befedo[m]Hi there,06:07
befedo[m]I’m using the Alchitry AU platform defined by litex-boards and want to use the uartbone. Is this possible with only the board given serialport?06:07
sensillebefedo[m]: i don't know that platform, but you can use uartbone when you only have one serial06:50
sensilleis that the question?06:50
befedo[m]No, not really … 😊07:17
befedo[m]I have one on board serial which is configured by the platform and provides the litex shell to the host. Now I want to use this serial as uartbone and not as a tty device seen from the host side.07:17
sensilleso yes. you use the serial as uartbone, and can tunnel the bios shell via etherbone to the host07:18
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sensillei think you have to set the uart to crossover07:19
sensilleand use wishbone tool to access the shell07:20
sensillehttps://wishbone-utils.readthedocs.io/en/latest/wishbone-tool/#crossover-uart07:20
tpbTitle: wishbone-tool - All-in-one Wishbone Binary and Library — wishbone utils 0.7.7-1-gfc2d1a0 documentation (at wishbone-utils.readthedocs.io)07:20
sensilleit worked for me, but was very slow because of the latency my usb-to-uart converter added (ft232r)07:23
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befedo[m]sensille: Thanks for your reply, I’ll try this way …08:37
befedo[m]👍🏻08:37
sensilleif you use ftdi there is a kernel-tunable to reduce latency08:38
sensilleon linux08:39
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