From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: PATCH: IDE - sensible probing for PCI systems
Date: Tue, 21 Jun 2005 19:46:29 +0100 [thread overview]
Message-ID: <1119379587.3325.182.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.61L.0506211535100.17779@blysk.ds.pg.gda.pl>
> How is the range defined -- is there a way for us to find it? I'd assume
> in the absence of a PCI-ISA or PCI-EISA bridge all I/O port addresses
> belong to PCI. Otherwise the usual rule of "(addr & 0x300) == 0" applies.
> Perhaps with the addition of "(addr & ~0xff) != 0" for safety as junk I/O
> is often not recorded properly in BARs, sigh...
No the low addresses belong to the chipset and motherboard. There is
also magic then for video and IDE legacy port ranges. I suspect your
mips boxen might be a lot cleaner than the PC world.
Alan
next prev parent reply other threads:[~2005-06-21 18:51 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-21 12:23 Alan Cox
2005-06-21 13:42 ` Maciej W. Rozycki
2005-06-21 14:12 ` Alan Cox
2005-06-21 15:10 ` Maciej W. Rozycki
2005-06-21 18:46 ` Alan Cox [this message]
2005-06-23 18:22 ` Maciej W. Rozycki
2005-06-23 22:48 ` Alan Cox
2005-06-24 11:52 ` Maciej W. Rozycki
2005-06-24 22:41 ` Jeff Garzik
2005-06-27 14:18 ` Maciej W. Rozycki
2005-06-27 20:31 ` Bill Davidsen
2005-06-25 12:32 ` Alan Cox
2005-06-27 14:55 ` Maciej W. Rozycki
2005-06-27 16:24 ` Russell King
2005-06-27 19:54 ` Alan Cox
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1119379587.3325.182.camel@localhost.localdomain \
--to=alan@lxorguk.ukuu.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=macro@linux-mips.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome