Article ID: 000093283 Content Type: Errata Last Reviewed: 11/15/2023

Why do I see "INFO: Error in receiving data from the server. Please try again." error message when resetting the FGT PMA in Transceiver Toolkit Interface for the F-tile Interlaken designs?

Environment

  • Intel® Quartus® Prime Pro Edition
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT
    Description

    For the F-tile Interlaken Intel® FPGA  intellectual property (IP) design with FGT PMA type and non-return to zero (NRZ) modulation, you might see the following message when you reset the FGT PMA using the F-tile Transceiver Toolkit (TTK) interface "RX Reset FGT PMA" and "TX Reset FGT PMA":

    INFO: Error in receiving data from the server. Please try again.

    This is due to the F-tile Transceiver Toolkit performing the resets through the Datapath Avalon® Memory Mapped Interface, however, the F-tile Interlaken Intel FPGA IP does not instantiate Datapath Avalon Memory Mapped Interface for FGT NRZ variants. 

    Resolution

    To work around this problem, you can reset the FGT PMA by writing to the reset port using the System Console. There are reset functions implemented to reset and release the tile reset port in the sysconsole_testbenh.tcl file:

    For TX side:

    • tx_reset -> To reset the tx tile reset
    • tx_reset_rel -> To release the tx tile reset

    For RX side:

    • rx_reset -> To reset the rx tile reset
    • rx_reset_rel -> To release the rx tile reset

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