[U-Boot] hardware flash protect kept during a reboot?

Stefan Roese sr at denx.de
Tue May 18 10:10:03 CEST 2010


On Monday 17 May 2010 16:11:22 Timur Tabi wrote:
> Stefan Roese wrote:
> > This protection is chip specific. IIRC, then some Intel (Strata) chips
> > either protect all sectors or have a sectore-wise protection mechanism.
> > You need to check your FLASH documentation for the exact behaviour.
> > Which chip are you using?
> 
> I just want to know whether hardware protection works at all for anyone
> through a reboot.  Is the CFI "protect sector" command persistent through a
> hardware power reset or power loss?

Yes. Its working at least for Intel Strata FLASH chips.

Cheers,
Stefan

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