Subject: Re: ISA bus-master DMA on arc
To: None <>
From: M. Warner Losh <>
List: port-arc
Date: 06/18/2006 12:35:12
In message: <>
            Izumi Tsutsui <> 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...