Early boot problem with MPC8247 and Linux 2.6.26

Chris Skepper skepper at ukf.net
Tue Aug 26 21:17:58 EST 2008


>> I have a custom MPC8247 based board which has been running U-boot 1.3.5
>> and Linux 2.6.26.  It has been working fine with ARCH=ppc, but I now want
>> to make it work using ARCH=powerpc.
>
>> However, using ARCH=powerpc I have encountered a problem.  Whatever I do
>> it always appears to reset in the very early stages of booting the kernel.
>
> could this be the hardware watchdog resetting the CPU ? Do you disable
> it in u-boot ?

Thanks for the suggestion, but I've just double-checked and the watchdog 
is disabled in U-boot.  In any case, I have been using an infinite loop 
flashing an LED to trace where execution gets to, and it never resets once 
it has started doing that.

Any other ideas?

Cheers,

Chris.


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