On 27/11/2015 at 11:02:54 +0100, Uwe Kleine-König wrote :
> OK, I found a i.MX28 machine in our repository:
> 
>       barebox# mw 0x80056080 0xbabecafe
>       barebox# boot
>       ...
>       linux# reboot
>       barebox# md 0x80056080+4
>       80056080: babecafe
> 
> After a power cycle the value disappears (I didn't check the details, if
> there is a battery it might be empty).
> 

Yeah, you'd have to ensure that the crystal power domain (VDDXTAL) stays 
powered.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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