> > Hmm, I've re-written arc fd.c like ISA fd (bus_space'fy,
> > split jazz/fd.c into fd.c and fdc_jazzio.c etc.), 
 :
> probably I can test it.

I've put diff to:
http://www.ceres.dti.ne.jp/~tsutsui/netbsd/arc-fd_jazzio.diff

I'll also put a GENERIC kernel binary later.
---
Izumi Tsutsui
tsutsui@ceres.dti.ne.jp