Re: ISA bus-master DMA on arc

"M. Warner Losh" <[email protected]> Sun, 18 Jun 2006 12:35:12 -0600 (MDT)
Newsgroups gmane.os.netbsd.ports.arc
Message-ID <[email protected]>
In message: <[email protected]>
            Izumi Tsutsui <[email protected]> writes:
: Has anyone tried any ISA bus-master DMA devices on arc machines?
: 
: AHA-1542 on my Express5800/240 EISA (NEC-J96A) hangs during
: probing attached drives, so I wonder if I have to fix ISA DMA stuff
: before I work on EISA stuff to support mlx(4) on EISA on my J96A.
: (Note PIO devices like ep(4) works fine on it)

I've had a buslogic ISA controller work in my Deskstation ARCstation
(aka rPC44) under OpenBSD/arc.  It was a special hacked up driver that
pefo wrote to make it work...

Warner