Description
You may see this critical warning when implementing a DDR2 SDRAM interface using DDR2 SDRAM High Performance Controller II with ALTMEMPHY IP version 12.0. There is a mismatch with the
afi_rrank
and afi_wrank
port size declarations due to parameter not being passed in correctly. However, it will not affect the functionality because afi_rrank
and afi_wrank
are not used in the DDR2 controller.
Resolution
This problem was fixed with the Quartus II software version 12.1 and later.