[U-Boot] AMCC 405EX Trap

[Grant Erickson]

On 5/4/09 7:43 AM, Jonathan Haws wrote:
>> On Thursday 30 April 2009, Jonathan Haws wrote:
>>> I am certain that it is a hardware failure that is causing the machine
>>> check because I can use the exact same binary on another (identical)
>>> board and have it boot just fine.  That tells me that all the EBC and SDRAM
>>> settings are correct;
>> 
>> From my experience you can't be sure that SDRAM setting are "currect" at
>> this stage.
> 
> Would that be the case on our other 6 boards then?  We have 6 boards that are
> up and running with the exact same U-Boot binary file.  If there was a problem
> with the SDRAM settings on one board, would not the other board show the same
> symptoms?  That is the reason why I have not dug deeper into the SDRAM
> initialization.  However, I will take your advice and do so, because if there
> is a problem there, then the other boards may be experiencing problems, just
> not to the extent that this one is.

Have these additional six boards passed four corners testing with an
intensive and exhaustive memory diagnostic?

Regards,

Grant