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From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] hardware flash protect kept during a reboot?
Date: Tue, 18 May 2010 10:10:03 +0200	[thread overview]
Message-ID: <201005181010.03628.sr@denx.de> (raw)
In-Reply-To: <4BF14E8A.3030804@freescale.com>

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

--
DENX Software Engineering GmbH,      MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich,  Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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      reply	other threads:[~2010-05-18  8:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-14 19:33 [U-Boot] hardware flash protect kept during a reboot? Timur Tabi
2010-05-17  8:55 ` Stefan Roese
2010-05-17 14:11   ` Timur Tabi
2010-05-18  8:10     ` Stefan Roese [this message]

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