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From: David Vrabel <dvrabel@arcom.com>
To: Ara Avanesyan <araav@hylink.am>
Cc: linux-kernel@vger.kernel.org
Subject: Re: ixdp4xx restart. watchdog enable value
Date: Thu, 27 Jan 2005 16:01:41 +0000	[thread overview]
Message-ID: <41F91065.6080304@arcom.com> (raw)
In-Reply-To: <006b01c5047e$1efc78a0$1000000a@araavanesyan>

Ara Avanesyan wrote:
> in file: include/asm-arm/arch-ixp4x//system.h
> function: arch_reset
> 
> code snap --
> /* disable watchdog interrupt, enable reset, enable count */
> *IXP4XX_OSWE = 0x3;
> --

See:

http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=2437

> I do not know why 0x3 works at all. Btw, u-boot assigns 0x5.

The count enable bit is irrelevant as the counter is initialized to
zero.

David Vrabel
-- 
David Vrabel, Design Engineer

Arcom, Clifton Road           Tel: +44 (0)1223 411200 ext. 3233
Cambridge CB1 7EA, UK         Web: http://www.arcom.com/

      parent reply	other threads:[~2005-01-27 16:01 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-27 14:40 ixdp4xx restart. watchdog enable value Ara Avanesyan
2005-01-27 14:44 ` Ben Dooks
2005-03-28 14:57   ` Strange memory problem with Linux booted from U-Boot Ara Avanesyan
2005-03-28 15:06     ` Jan Engelhardt
2005-03-29  7:02       ` Ara Avanesyan
2005-03-28 16:17     ` linux-os
2005-03-30  7:21     ` Eugene Surovegin
2005-03-31 13:39       ` Ara Avanesyan
2005-01-27 16:01 ` David Vrabel [this message]

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