Critical Issue
Description
If you use Mentor Graphics® ModelSim-Altera® to
perform a post-fit simulation for a custom PHY IP core that targets
an Arria V device and the sd_on
value in the av_xcvr_native.sv file
is set to a value of 16
(the default value is 16),
the rx_signaldetect
value is always high regardless
of whether the rx_serial_data
signal is 0, 1, x or z.
Resolution
Update your Quartus II Settings File (.qsf) with the following settings:
- Set the
pdb_sd
parameter tofalse
. - Add the QSF assignment
set_instance_assignment -name XCVR_RX_SD_ENABLE ON -to *
to turn on the Secure Digital (SD) unit. - To set the
sd_on
value to1
, add the QSF assignmentset_instance_assignment -name XCVR_RX_SD_ON 1 -to *
.