lkml.org 
[lkml]   [2003]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: PCI code: why need outb (0x01, 0xCFB); ?
Date
Followup to:  <F87sTOHYNhMwqvbLaKL0001615a@hotmail.com>
By author: "fretre lewis" <fretre3618@hotmail.com>
In newsgroup: linux.dev.kernel

> 1. which device is at port address 0xCFB?

Hopefully none.

> 2. what is meaning of the writing operation "outb (0x01, 0xCFB);" for THIS
> device?, it'seem that PCI spec v2.0 not say anything about it?

It's trying to verify that the PCI northbridge does *NOT* respond to
this (byte-wide) reference.

-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:32    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site