Serial transceiver attributes play a vital role in Aurora 8B/10B functionality and performance. See Generating a Wrapper File from the Transceiver Wizard to get the latest attribute updates for the core.
Also, see GT_Debug_Flowchart for transceiver debugging mentioned in the following Answer Record: 57237.
Note: The
init_clk_in clock input is
provided as a stable and free running clock to drive the Debug cores and the stability
of this clock source is key to ensure debugging is proper. Ensure that only after this
clock is stable the pma_init input of the IP is deasserted. The
init_clk_in must always be stable."