Hello Mike
As part of your investigations, you might want to look at a free program called CFInit.
CFinit is a graphical tool to let you configure a ColdFire processor, including the peripherals. It then writes the initialisation code for you in assembler or C. It includes support for most of the V2, V3 and V4 processors. For some processors, including the MCF52230, it can generate a complete CodeWarrior project.
http://www.microapl.co.uk/CFInit/cfinit_main.html
In fairness I should add that I work for MicroAPL, so my opinion of CFInit is naturally biased! However, we have had a lot of postive feedback that the tool makes learning to program ColdFire processors easier.Hope this helps
Simon