RE: [EXT] Re: [PATCH 0/4] enabling Advanced protection and security features

Shivamurthy Shastri (sshivamurthy)
2021-11-08T15:12:41Z

Micron Confidential

Hi Richard,

Sorry for late reply.

> > Standard protection features in SPI NOR flashes are legacy and offer a
> > simple way to protect the memory array against accidental or unwanted
> > modification of its content.
> >
> > These patches enable the support for advanced sector protection which
> > protects memory from accidentally corrupting code and data stored, and
> > it also prevents malicious attacks that could intentionally modify the
> > code or data stored in the memory.
> >
> > Micron Flashes offer some of the advanced protection methods using
> > volatile lock bits, non-volatile lock bits, global freeze bits, and
> > password.
>
> Can you please point us to the technical documentation of these features?
> I'm especially interested in the password feature.

Document link:
https://media-www.micron.com/-/media/client/global/documents/products/technical-note/nor-flash/tn2541_mt25q_protection_and_security.pdf?rev=132de35e149b42a4beaac789eacc01d7

Thanks,
Shiva

Micron Confidential