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From: Gianni Tedesco <gianni@ecsc.co.uk>
To: fretre lewis <fretre3618@hotmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PCI code:  why need  outb (0x01, 0xCFB); ?
Date: 06 Jan 2003 12:41:01 +0000	[thread overview]
Message-ID: <1041856867.12900.1.camel@lemsip> (raw)
In-Reply-To: <F87sTOHYNhMwqvbLaKL0001615a@hotmail.com>

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On Mon, 2003-01-06 at 09:26, fretre lewis wrote:
> 1. which device is at port address 0xCFB?

the PCI controller.

> 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?

I think it selects PCI configuration mode 1. (I could be wrong).

-- 
// Gianni Tedesco (gianni at scaramanga dot co dot uk)
lynx --source www.scaramanga.co.uk/gianni-at-ecsc.asc | gpg --import
8646BE7D: 6D9F 2287 870E A2C9 8F60 3A3C 91B5 7669 8646 BE7D

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  reply	other threads:[~2003-01-06 12:31 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-01-06  9:26 PCI code: why need outb (0x01, 0xCFB); ? fretre lewis
2003-01-06 12:41 ` Gianni Tedesco [this message]
2003-01-08 18:52 ` H. Peter Anvin
  -- strict thread matches above, loose matches on Subject: below --
2003-01-06 13:02 fretre lewis
2003-01-07  2:24 fretre lewis
2003-01-08 19:10 Nakajima, Jun
2003-01-08 20:40 ` H. Peter Anvin
2003-01-08 21:37   ` Richard B. Johnson
2003-01-08 20:49 Petr Vandrovec
2003-01-08 21:22 ` Maciej W. Rozycki
2003-01-08 21:33 Petr Vandrovec
2003-01-08 21:53 ` Maciej W. Rozycki

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