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From: Manfred Spraul <manfred@colorfullife.com>
To: rjohnson@analogic.com, linux-kernel@vger.kernel.org
Subject: Re: Linux Post codes during runtime, possibly OT
Date: Fri, 26 Jan 2001 16:42:54 +0100	[thread overview]
Message-ID: <3A719AFE.922A8005@colorfullife.com> (raw)

> + * 
> + * Changed the slow-down I/O port from 0x80 to 0x19. 0x19 is a 
> + * DMA controller scratch register. rjohnson@analogic.com 
>    */ 
>  
What about making that a config option?

default: delay with 'outb 0x80', other options could be
	udelay(n); (n=1,2,3)
	outb 0x19

0x80 is a safe port, and IMHO changing the port on all i386 systems
because it's needed for some embedded system debuggers is too dangerous.

--
	Manfred
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             reply	other threads:[~2001-01-26 15:43 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-01-26 15:42 Manfred Spraul [this message]
2001-01-26 16:07 ` Linux Post codes during runtime, possibly OT Richard B. Johnson
2001-01-26 16:33   ` Brian Gerst
2001-01-27 12:28     ` Pavel Machek
  -- strict thread matches above, loose matches on Subject: below --
2001-01-26 15:41 Petr Vandrovec
2001-01-26 15:07 ` Richard B. Johnson
2001-01-26 15:15   ` Mark Hahn
2001-01-26 15:31     ` Jamie Lokier
2001-01-26 16:03       ` Richard B. Johnson
2001-01-26 16:22         ` Jamie Lokier
2001-01-25 21:46 Ian S. Nelson
2001-01-25 22:26 ` H. Peter Anvin
2001-01-25 22:31   ` Matthew Dharm
2001-01-25 22:32     ` H. Peter Anvin
2001-01-25 22:41       ` Matthew Dharm
2001-01-25 22:45         ` H. Peter Anvin
2001-01-25 23:08       ` Richard B. Johnson
2001-01-25 23:10         ` H. Peter Anvin
2001-01-26 13:58           ` Richard B. Johnson
2001-01-26 16:19             ` H. Peter Anvin
2001-01-26 17:54               ` David Welch
2001-01-29  2:35               ` Paul Gortmaker
2001-01-27 10:20   ` Rogier Wolff
2001-01-27 20:47     ` H. Peter Anvin
2001-01-27 21:01       ` Rogier Wolff
2001-01-27 21:24         ` H. Peter Anvin
2001-01-28 10:12           ` Rogier Wolff
2001-01-28 10:18             ` H. Peter Anvin
2001-01-28 11:03               ` Rogier Wolff
2001-01-28 17:22               ` Jamie Lokier
2001-01-28 22:34               ` Pavel Machek
2001-01-29 15:09                 ` Richard B. Johnson
2001-01-29 19:21                 ` H. Peter Anvin
2001-01-28 22:29         ` Pavel Machek
2001-01-30 17:44         ` Mark H. Wood
2001-01-30 18:10           ` Richard B. Johnson
2001-01-30 18:16           ` mirabilos
2001-01-30 18:36             ` Richard B. Johnson
2001-01-30 18:41               ` mirabilos

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