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Nexys A7: target device not detected by Vivao Hadware Manager


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Dear experts,

I'm getting started with a Nexys A7 board and I'm trying to set up the firmware programming via the USB-JTAG interface using Vivado 2019.2 running on CentOS 7.

When I open the hardware manager and try to add a new target, I simply don't see the board in the available targets, and upon trying to auto connect there is a warning "No hardware target exist on the server [localhost:3121]"

I checked the position of the jumper JP1, and tried a couple of different cables without any change.
I do see the device connected with lsusb [1], and it looks like it is recognized by the system when I plug the cable (the output of dmesg is below [2], though I am unsure if the last line "device disconnected" relates to the problem).

Other ways to load the fw (from a USB stick and from the Quad SPI) just work fine, but I'd like to have also the USB-JTAG working.

Could it be a simple problem of configuration, or some step that I have overlooked?

Thank you very much in advance for your help!


[1] Bus 002 Device 017: ID 0403:6010 Future Technology Devices International, Ltd FT2232C/D/H Dual UART/FIFO IC


[ 6345.676363] usb 2-1.2: new high-speed USB device number 17 using ehci-pci
[ 6345.767038] usb 2-1.2: New USB device found, idVendor=0403, idProduct=6010, bcdDevice= 7.00
[ 6345.767047] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 6345.767052] usb 2-1.2: Product: Digilent USB Device
[ 6345.767057] usb 2-1.2: Manufacturer: Digilent
[ 6345.767061] usb 2-1.2: SerialNumber: 210292AE3CE4
[ 6345.771084] ftdi_sio 2-1.2:1.0: FTDI USB Serial Device converter detected
[ 6345.771149] usb 2-1.2: Detected FT2232H
[ 6345.771990] usb 2-1.2: FTDI USB Serial Device converter now attached to ttyUSB1
[ 6345.774238] ftdi_sio 2-1.2:1.1: FTDI USB Serial Device converter detected
[ 6345.774302] usb 2-1.2: Detected FT2232H
[ 6345.775143] usb 2-1.2: FTDI USB Serial Device converter now attached to ttyUSB2
[ 6345.807898] ftdi_sio ttyUSB1: FTDI USB Serial Device converter now disconnected from ttyUSB1
[ 6345.807936] ftdi_sio 2-1.2:1.0: device disconnected

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