On Tue, Sep 22, 2015 at 4:11 PM, Jagan Teki <jt...@openedev.com> wrote:
> On 12 September 2015 at 19:27, Otavio Salvador <ota...@ossystems.com.br>
> wrote:
>> +static void spinor_protect(void)
>> +{
>> + struct spi_flash *spi;
>> +
>> + spi = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
>> + CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
>> + /*
>> + * Set BP2 BP1 BP0 to 001, so that the last 64 sectors
>> + * can be protected (0x3f0000 to 0x3fffff).
>
> The last sector (64*1024) area is being protected here, why? does this
> specific to your board?
> And also your taking an example of (0x3f0000 to 0x3fffff) that means
> the flash your using is 4MB is it? then this again becomes your board
> specific? is it?
Yes, the protected range is board specific. Congatec put some data in
this area which are valuable and should not be erased. So we need to
protect it.
--
Otavio Salvador O.S. Systems
http://www.ossystems.com.br http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854 Mobile: +1 (347) 903-9750
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