Subject: Re: ISA bus-master DMA on arc
To: None <firstname.lastname@example.org>
From: M. Warner Losh <email@example.com>
Date: 06/18/2006 12:35:12
In message: <060613212703.M0112582@mirage.ceres.dti.ne.jp>
Izumi Tsutsui <firstname.lastname@example.org> 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...