Hi Mike,

Yes, that's my plan. I will expose the ubl blocks from linux userspace and
become writable.
And, I like the idea of using dd so no need to worry about the CRC issue.

Thanks,

John

On Fri, Apr 30, 2010 at 11:34 AM, Mike Williamson <
[email protected]> wrote:

> Hi John,
>
> In the past, we've used the /dev/mtd* devices to write data back to NOR
> (spi / parallel) devices for updating firmware using something like:
>
> dd if=newimage.bin of=/dev/mtd0
>
> Of course, you need to have your kernel configured to have the mtd drivers
> loaded and you need to make these areas writable (most linux board packages
> set these to read-only, given the sizeable gun you have pointed at your
> shoes....)
>
> -Mike
>
>
> On Fri, Apr 30, 2010 at 2:14 PM, John Tobias <[email protected]> wrote:
>
>>  Hi,
>>
>> Does anyone successfully written the UBL image in block 1/5 from linux
>> userspace? I need a way to write the ubl image for the firmware upgrade and
>> the only access that I have is the linux userspace.
>>
>>
>> Thanks,
>>
>> John
>>
>> _______________________________________________
>> Davinci-linux-open-source mailing list
>> [email protected]
>> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
>>
>>
>
>
> --
> Michael Williamson
> 315-425-4045x230
> www.criticallink.com
>
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