From mboxrd@z Thu Jan  1 00:00:00 1970
From: Timur Tabi <timur@freescale.com>
Date: Thu, 30 Sep 2010 16:04:30 -0500
Subject: [U-Boot] ppc44x - watchdog timers reboots during the image
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ame wrote:
> Finally reset_4xx_watchdog does mtspr(tsr, 0xc0000000) where tsr is 0x150 IIRC.

My guess is that this code doesn't actually reset the watchdog.  Perhaps your
value of TSR is wrong, or 0xc0000000 is wrong, or perhaps there's some other
watchdog active that you're ignoring.

-- 
Timur Tabi
Linux kernel developer at Freescale