Description
You may see the following warnings when running the Design Assistant tool in Quartus® II software on your compiled HPS design.
Resolution
Rule C105: Clock signal should be a global signal ; <hierarchy>|hps_sdram:hps_sdram_inst|hps_sdram_pll:pll|afi_clk
Rule C105: Clock signal should be a global signal ; <hierarchy>|hps_sdram:hps_sdram_inst|hps_sdram_pll:pll|pll_write_clk