Dear Prafulla Wadaskar,

In message <73173d32e9439e4abb5151606c3e19e202dd54d...@sc-vexch1.marvell.com> 
you wrote:
>  
> > I searched for some space on this CPU for implementing this 
> > feature, but could not find any (at least 4 bytes = 1 
> > register), which not lost his value on a reset of this CPU.
> There is reset counter register on Kirkwood which counts the time for which 
> H/w Reset is pressed-n-hold. This is generally used to trigger "Factory 
> Reset" Kind of function using reset key.
> 
> I don't think you are searching for the same. Do you?

No, he doesn't. He needs a register that is guaranteed to keep it''s
values across a processor reset.

> BTW: What's your end use case?

The boot counter counts the number of (failed) boot attempts (i. e. processor
resets minus one) after power on. See
http://www.denx.de/wiki/view/DULG/UBootBootCountLimit

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
PLEASE NOTE: Some Quantum Physics Theories Suggest That When the Con-
sumer Is Not Directly Observing This Product, It May Cease  to  Exist
or Will Exist Only in a Vague and Undetermined State.
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot

Reply via email to