[U-Boot] bootcount support on arm/kirkwood

[Prafulla Wadaskar]

> -----Original Message-----
> From: Wolfgang Denk [mailto:wd at denx.de] 
> Sent: Thursday, July 09, 2009 12:29 AM
> To: Prafulla Wadaskar
> Cc: hs at denx.de; U-Boot user list; Prabhanjan Sarnaik; Ashish Karkare
> Subject: Re: [U-Boot] bootcount support on arm/kirkwood
> 
> Dear Prafulla Wadaskar,
> 
> In message 
> <73173D32E9439E4ABB5151606C3E19E202DD54DE86 at 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.

With Kirkwood, the only way to implement it is with flash assist

Regards..
Prafulla . .