non volatile storage in am335x

bikash bag

Hi,

I want to write some value in non volatile storage of am335x in kernel and have to read in bootloader, can someone please help in finding the address of non volatile storage?

Thanks

Bikash

over 10 years ago

0 Biser Gatchev-XID over 10 years ago

TI__Guru**** 393215 points

Hi Bikash,

The AM335X processor does not have non-volatile memory inside. You will need to use external memory, such as EEPROM.

0 bikash bag over 10 years ago in reply to Biser Gatchev-XID

Intellectual 420 points

Hi Biser,

How can I access EPROM, can you please give an example or code snippet .

Thanks

Bikash

0 Biser Gatchev-XID over 10 years ago in reply to bikash bag

TI__Guru**** 393215 points

EEPROM access is included in all TI distributed Linux SDKs.

0 bikash bag over 10 years ago in reply to Biser Gatchev-XID

Intellectual 420 points

Hi Biser,

Thanks for the information.

One request is can you please tell the exact location like which file os which folder I should look at.

Thanks

Bikash

0 Biser Gatchev-XID over 10 years ago in reply to bikash bag

TI__Guru**** 393215 points

Which SDK are you using?

0 Biser Gatchev-XID over 10 years ago in reply to Biser Gatchev-XID

TI__Guru**** 393215 points

Check this link, it should help you: http://idrawone.blogspot.com/2013/04/access-eeprom-24c256-on-ti-am335x-evm.html

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non volatile storage in am335x