Please read the following instructions to view the hierarchy and subsequent register description and details. 1. Unzip the "PolarFireSoC_Register_Map.zip" into your local disk. 2. Navigate to "PF_SoC_RegMap" folder. 3. Open "pfsoc_regmap.htm" using a web browser. "pfsoc_regmap.htm" will provide the hierarchy and subsequent register descriptions and details.