The DDR tool supports i.MX 8M family, i.MX 91 family, i.MX 93 family, i.MX 95 family. The DDR tool is part of Config tools for i.MX offering configuration, inspection, optimization, vTSA, stressing and code generation. It can be downloaded from Config Tools for i.MX Applications Processors
DDR tool User Guide is part of the User Guide for Config tools for i.MX