Let me hop in here... Have you thought about breaking up the structures per cpm peripheral?
Some registers are unique for each processor family, but others are (almost) common to all. For example SCC parameters & stuff are the same on 8xx/82xx ... IMHO keeping one definition in the tree for these will make keeping them in sync easier. Then the main header file will be the definitions of the unique registers, a number of defines for the structures offsets and a list of included files for the common peripherals... Regards Pantelis
