From owner-freebsd-hackers  Thu Jun  7 20:13:23 2001
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To: j mckitrick <jcm@freebsd-uk.eu.org>
Subject: Re: newbussifying drivers 
Cc: Doug Rabson <dfr@nlsystems.com>,
	"Matthew N. Dodd" <winter@jurai.net>,
	Mike Smith <msmith@FreeBSD.ORG>, freebsd-hackers@FreeBSD.ORG
In-reply-to: Your message of "Fri, 08 Jun 2001 04:02:11 BST."
		<20010608040211.A61278@dogma.freebsd-uk.eu.org> 
References: <20010608040211.A61278@dogma.freebsd-uk.eu.org>  <Pine.BSF.4.21.0106070240550.26121-100000@sasami.jurai.net> <Pine.BSF.4.33.0106071238040.18103-100000@herring.nlsystems.com> 
Date: Thu, 07 Jun 2001 21:11:49 -0600
From: Warner Losh <imp@harmony.village.org>
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In message <20010608040211.A61278@dogma.freebsd-uk.eu.org> j mckitrick writes:
: Okay, there is something i'm not understanding here.  In the ed driver,
: there are many possible cards, which each have different i/o ports, correct?

Not really.  The ed driver is the most twisted driver in the tree when
it comes to probe.

: The driver has a lot of probe routines, and it looks like they are just
: using different macros with hard-coded (#defined) port addresses.

Usually no.  There are many different ways to hook up the hardware and
each ISA card vendor chose differently before ne2000 became standard.

: So, how do you CORRECTLY use the newbus calls to probe these ports?  I am
: not running -current, so i do not have 'hints'.

hints are in -stable, they just live in the kernel config file there.

I'm not sure what the best thing to do is.

Warner

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