I am need to create a driver to interface to custom hardware on a ml403 board.  I am first trying to just create a ipif register bank and access the registers from linux but am not having any luck of yet.  Has anyone successfully done this and if so explain how or supply a driver to do this and how to build it into the kernel?  I am new at this and am having great difficutly right now. 

Thanks for any help anyone can supply

Brett