From owner-freebsd-hardware Sat Aug 14 7:42: 6 1999 Delivered-To: freebsd-hardware@freebsd.org Received: from reliam.teaser.fr (reliam.teaser.fr [194.51.80.12]) by hub.freebsd.org (Postfix) with ESMTP id 1DE8114A0B for ; Sat, 14 Aug 1999 07:42:02 -0700 (PDT) (envelope-from nsouch@teaser.fr) Received: from teaser.fr (ppp1087-ft.teaser.fr [194.206.156.40]) by reliam.teaser.fr (8.9.3/8.9.3) with ESMTP id QAA31705; Sat, 14 Aug 1999 16:42:10 +0200 (MET DST) Received: (from nsouch@localhost) by teaser.fr (8.9.3/8.9.1) id PAA00468; Sat, 14 Aug 1999 15:23:41 +0200 (CEST) (envelope-from nsouch) Message-ID: <19990814152340.02863@breizh.teaser.fr> Date: Sat, 14 Aug 1999 15:23:40 +0200 From: Nicolas Souchu To: David Gilbert Cc: freebsd-hardware@FreeBSD.ORG Subject: Re: smbus not quite right? References: <199907190324.XAA08403@strike.velocet.ca> <19990724180824.18086@breizh.teaser.fr> <14239.10592.948209.726743@trooper.velocet.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.81e In-Reply-To: <14239.10592.948209.726743@trooper.velocet.ca>; from David Gilbert on Wed, Jul 28, 1999 at 12:01:36PM -0400 X-Operating-System: FreeBSD breizh 4.0-CURRENT FreeBSD 4.0-CURRENT Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Wed, Jul 28, 1999 at 12:01:36PM -0400, David Gilbert wrote: > >>>>>> "Nicolas" == Nicolas Souchu writes: > >Nicolas> On Sun, Jul 18, 1999 at 11:24:05PM -0400, dgilbert@velocet.ca >Nicolas> wrote: >>> I have a machine with a P5A motherboard, which probes as follows: >>> >>> pcf0: iicbus0: on >>> pcf0 addr 0xaa iicsmb0: on iicbus0 smbus0: >>> on iicsmb0 smb0: >> I/O> on smbus0 iic0: on iicbus0 >>> >>> Now... If I run mbmon in ISA mode, which opens /dev/io, it works. >>> If I run it in in smbus mode, which opens /dev/smb0, it fails. >>> Having read the documentation on /dev/io, I'd rather not have that >>> ability on a server... I would guess that it requires an insecure >>> level. > >Nicolas> Whats mbmon? You have actually a Philips PCF8584 connected to >Nicolas> your ISA bus? > >mbmon is a little application (inside a xmbmon tarball) that probes >this chipset for information. I don't actually know any details about >my chipset per se, but it would appear that I do have a pcf8584... Ok. /dev/smb0 is completly different than /dev/io. /dev/smb0 supports SMB protocol commands thanks to appropriate ioctls. /dev/io only supports low-level outb/inb operations. > >Dave. > >-- >============================================================================ >|David Gilbert, Velocet Communications. | Two things can only be | >|Mail: dgilbert@velocet.net | equal if and only if they | >|http://www.velocet.net/~dgilbert | are precisely opposite. | >=========================================================GLO================ > -- nsouch@teaser.fr / nsouch@freebsd.org FreeBSD - Turning PCs into workstations - http://www.FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message