Tue May 14 13:35:04 CEST 2002 ide-clean-64:

Let's just get over with  this before queue handling will be targeted again...

- Implement suggestions by Russel King for improved portability and separation
   between PCI and non PCI host code.

- pdc202xxx updates from Thierry Vignaud.

- Tinny PIO fix from Tomita.