> The software that you're using may need the USB device to be attached to
> ugen rather than uftdi. The simplest way to do this is probably to type
> "boot -c" at the boot loader, "disable uftdi", "quit".


Thanks!!! It works!!!

Last "barrier" in front of openhardware

more or less falls! :D :D :D




пт, 6 окт. 2023 г., 03:01 S V <[email protected]>:

> Good Day, List!
>
> This mail is call for help, advice and to stir interest.
>
> While playing with open source workflow for FPGA chips
> I found with pleasure that not only GoWin FPGAs supported by open
> source tools, but also all needed tools easily built on OpenBSD
> (working on ports now). yosys, project apycula, nextpnr-gowin,
> openFPGAloader all successfully build.
>
> But I can't flash "compiled" bitstream to hardware device with
> openFPGAloader.
>
> Here is description of problem:
>
> After building software and attaching HW I can successfully scan usb
>
> found 10 USB device
> Bus device vid:pid probe type manufacturer serial product
> 000 001 0x0000:0x0000 xvc-client Generic none xHCI root hub
> 001 001 0x0000:0x0000 xvc-client Generic none xHCI root hub
> 001 005 0x0403:0x6010 FTDI2232 SIPEED FactoryAIOT Pro JTAG Debugger
>
> but cant detect or flash bitstream with next error
>
> doas openFPGALoader -b tangnano9k pack.fs --verbose-level=3
> try to open 403 6010 0 0
> iProduct : JTAG Debugger
> 8
> b
> 8
> b
> fail to read data usb bulk read failed
> JTAG init failed with: low level FTDI init failed
>
>
> here dmesg
>
>     uftdi0 at uhub3 port 3 configuration 1 interface 0 "SIPEED JTAG
> Debugger" rev 2.00/5.00 addr 5 ucom0 at uftdi0 portno 1
>     uftdi1 at uhub3 port 3 configuration 1 interface 1 "SIPEED JTAG
> Debugger" rev 2.00/5.00 addr 5 ucom1 at uftdi1 portno 2
>
> and also usbdevs outputs
>
>     addr 05: 0403:6010 SIPEED, JTAG Debugger
>     full speed, power 90 mA, config 1, rev 5.00, iSerial FactoryAIOT Pro
>     driver: uftdi0
>     driver: uftdi1
>
>
> I also posted issue to original github
> https://github.com/trabucayre/openFPGALoader/issues/382
>
> Any tips and tricks on how to debug it? Any interest in helping?
>
> --
> Nerfur Dragon
> -==(UDIC)==-
>

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