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MicroZed Hardware Design Program FPGA failed when FMC (DC1532A-L) plugged into FMC-Carrier Card
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Program FPGA failed when FMC (DC1532A-L) plugged into FMC-Carrier Card

nowksru
nowksru over 6 years ago

Hello,

I am trying to program the MicroZed through the FMC-Carrier Card via JTAG, while the FMC module DC1532A-L (Linear Technology) is plugged in the Carrier Card. But when I click on the Program FPGA button in Xilinx SDK (2017.4) I get the following error message:

"Could not find FPGA device on the board for connection 'Local'.

Troubleshooting hints:
1. Check whether board is connected to system properly.
1. In case of zynq board, check whether Digilent/Xilinx cable switch settings are correct.
1. If you are using Xilinx Platform Cable USB, ensure that status LED is green.
Program FPGA failed"

If I unplug the FMC module from the Carrier Card, SDK runs the programming without a problem --> board is connected to system properly and status LED is green in both cases (FMC module plugged in & unplugged). I guess the FMC module is somehow interfering with the JTAG pins?
 

I don't know if it is important, but my application is just reading registers on the FMC module through SPI.
 

-Urs


 

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  • jafoste4
    jafoste4 over 6 years ago +1
    Hi Urs, I believe your right. This makes sense. As far as the best way to tie these pins together. My suggestion would be to break out your soldering iron and modify the MicroZed FMC Carrier Card. Looking…
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  • jafoste4
    0 jafoste4 over 6 years ago

    Hi Urs,

    I believe your right. This makes sense.

    As far as the best way to tie these pins together. My suggestion would be to break out your soldering iron and modify the MicroZed FMC Carrier Card. Looking at the schematic, if you short R92 ( its currently DNP) it should connect TDI and TDO.

    -Josh

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  • nowksru
    0 nowksru over 6 years ago in reply to jafoste4

    Hi Josh,

    that did it! But it is actually R96 on the FMC-CC where I had to solder the pins together. It is even stated in the schematic:

    "Short R96 for complete JTAG loop if presented FMC Card doesn't loop back JTAG chain signals"

    Thank you very much!

    -Urs

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  • nowksru
    0 nowksru over 6 years ago in reply to jafoste4

    Hi Josh,

    that did it! But it is actually R96 on the FMC-CC where I had to solder the pins together. It is even stated in the schematic:

    "Short R96 for complete JTAG loop if presented FMC Card doesn't loop back JTAG chain signals"

    Thank you very much!

    -Urs

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