Type: Answers

Area: EMIF, Intellectual Property



Warning Messages About afi_rdata_valid, afi_rdata_en, afi_rdata_en_full

Description

You may receive connectivity warning messages relating to the afi_rdata_valid, afi_rdata_en, or afi_rdata_en_full signals. For example, VCS-MX reports the following warning:

Lint-[PCWM-L] Port connection width mismatch .<some_path>/submodules/<variant_name>_p0_memphy.v, 474. "uread_datapath". The following 2-bit expression is connected to 1-bit port . "afi_rdata_en_full" of module "<variant_name>_p0_read_datapath", instance "uread_datapath".. Expression: afi_rdata_en_full. The expression is from module <variant_name>_p0_memphy, instance umemphy .

This issue affects all UniPHY-based external memory interface protocols.

Workaround/Fix

No workaround is required; you may ignore warning messages similar to the above relating to the afi_rdata_valid, afi_rdata_en, or afi_rdata_en_full signals.