Simulation of an ALTMEMPHY-based megafunction as part of a Qsys (Beta) system might generate an error

Description

If you simulate an ALTMEMPHY-based megafunction as part of a Qsys system, the simulator might generate the following error:

Instantiation of "stratixiii_ddio_in" failed.

Resolution

Add the following global assignment to the Quartus II IP File (.qip) generated by Qsys:

set_global_assignment -name EDA_DESIGN_EXTRA_ALTERA_SIM_LIB stratixiii -section_id eda_simulation