If you are not using two storage locations but only distinct by storage types, it is easy to assign both storage types to your search strategy. For example, you use indicator FPS in material master for putaway and picking strantegy.
In storage search strategy you can define
200 E FPS FPS, FX1
200 A FPS FPS, FX1
But we need a bit more information to answer your question in detail and undoubtedly.
Regards.