MTD and Intel rev J Strata Flash

MTD and Intel rev J Strata Flash

[ghannon]

Hi,

I'm assuming the linux-mtd list has long since vanished.

I'm working with a rev J strata flash part.

It has the "feature" that it's lock-bits can be set individually,
but are cleared colllectively.    I have made a 3 partition system
where I mainly want two partitions locked except when I am updating
them, and the third one unlocked always.

Has any effort  been put into the MTD layer to take into account that
an unlock clears all the bits and some should be put back on.
I didn't see anything like that in the code.

I will put the functionality into my tools if it is not in a lower layer
already.

Thanks,

Gary Hannon
CSPI


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

Re: MTD and Intel rev J Strata Flash

[John Whitney]

Linux-MTD is alive and well at linux-mtd.infradead.org.  Access to the
mailing list can be found there as well.

John Whitney

On 11/20/03 9:36 AM, "ghannon@cspi.com" <ghannon@cspi.com> wrote:

>
> Hi,
>
> I'm assuming the linux-mtd list has long since vanished.
>
> I'm working with a rev J strata flash part.
>
> It has the "feature" that it's lock-bits can be set individually,
> but are cleared colllectively.    I have made a 3 partition system
> where I mainly want two partitions locked except when I am updating
> them, and the third one unlocked always.
>
> Has any effort  been put into the MTD layer to take into account that
> an unlock clears all the bits and some should be put back on.
> I didn't see anything like that in the code.
>
> I will put the functionality into my tools if it is not in a lower layer
> already.
>
> Thanks,
>
> Gary Hannon
> CSPI
>
>
>
>


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

Re: MTD and Intel rev J Strata Flash

[Gary Thomas]

On Thu, 2003-11-20 at 07:36, ghannon@cspi.com wrote:
> Hi,
> 
> I'm assuming the linux-mtd list has long since vanished.

Not that I'm aware of - I've copied this to that list.

> 
> I'm working with a rev J strata flash part.
> 
> It has the "feature" that it's lock-bits can be set individually,
> but are cleared colllectively.    I have made a 3 partition system
> where I mainly want two partitions locked except when I am updating
> them, and the third one unlocked always.
> 
> Has any effort  been put into the MTD layer to take into account that
> an unlock clears all the bits and some should be put back on.
> I didn't see anything like that in the code.
> 
> I will put the functionality into my tools if it is not in a lower layer
> already.
> 
> Thanks,
> 
> Gary Hannon
> CSPI
> 
> 
> ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
-- 
Gary Thomas <gary@mlbassoc.com>
MLB Associates