From owner-freebsd-current  Wed Jul 30 05:03:24 1997
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Message-ID: <19970730080303.36552@scsn.net>
Date: Wed, 30 Jul 1997 08:03:03 -0400
From: "Donald J. Maddox" <root@scsn.net>
To: =?iso-8859-1?Q?S=F8ren_Schmidt?= <sos@sos.freebsd.dk>
Cc: dmaddox@scsn.net, cgull@smoke.marlboro.vt.us,
        doogie@forbidden-donut.anet-stl.com, freebsd-current@FreeBSD.ORG
Subject: Re: code talks:  announcing EIDE bus master patches
Reply-To: dmaddox@scsn.net
References: <19970730072456.05185@scsn.net> <199707301158.NAA02177@sos.freebsd.dk>
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On Wed, Jul 30, 1997 at 01:58:02PM +0200, Søren Schmidt wrote:
> In reply to Donald J. Maddox who wrote:
> > 
> >     Anybody know why I'm seeing the following after building a new kernel
> > with the EIDE bus master patches?  Do I need to add something to my config
> > to activate this, or ???
>  
> 
> Yes, as stated in the commit etc, you need to set the flags to 0xa0ffa0ff
> to get DMA support (if the drive and controller supports it).
> 
> > wdc0 at 0x1f0-0x1f7 irq 14 flags 0x80ff80ff on isa
>                                    ^^^^^^^^^^
> > wdc1 at 0x170-0x177 irq 15 flags 0x80ff80ff on isa
>                                    ^^^^^^^^^^
> > wdc1: unit 0 (atapi): <V004H0DT B/4V001-4.>, removable, iordy
> 

    Geez, how did I miss that?  Thanks for the info :-)