[PATCH] mtd: m25p80: Add support for Micron N25Q512A memory

[Brian Norris]

 + Marek for real!

On Wed, Oct 2, 2013 at 11:51 AM, Brian Norris
<computersforpeace at gmail.com> wrote:
> + Marek
>
> On Wed, Sep 04, 2013 at 10:16:56AM +0530, Priyanka Jain wrote:
>> Micron N25Q512A is a spi flash memory with following features:
>> -64MB size, 1.8V, Mulitple I/O, 4KB Sector erase memory.
>> -Memory is organised as 1024(64KB) main sectors.
>> -Each sector is divided into 256 pages.
>> -Register set/Opcodes are similar to other N25Q family products.
>>
>> Signed-off-by: Priyanka Jain <Priyanka.Jain at freescale.com>
>> ---
>>  drivers/mtd/devices/m25p80.c |    1 +
>>  1 files changed, 1 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
>> index 26b14f9..94e3b53 100644
>> --- a/drivers/mtd/devices/m25p80.c
>> +++ b/drivers/mtd/devices/m25p80.c
>> @@ -774,6 +774,7 @@ static const struct spi_device_id m25p_ids[] = {
>>       { "n25q128a11",  INFO(0x20bb18, 0, 64 * 1024, 256, 0) },
>>       { "n25q128a13",  INFO(0x20ba18, 0, 64 * 1024, 256, 0) },
>>       { "n25q256a", INFO(0x20ba19, 0, 64 * 1024, 512, SECT_4K) },
>> +     { "n25q512a", INFO(0x20bb20, 0, 64 * 1024, 512, SECT_4K) },
>
> This device actually has the same ID as Micron's next line (MT25QL512A).
> They have the same geometry, so maybe that's not a problem.
>
> (FWIW, I haven't gotten either flash working here, but I'm suspecting
> board problems.)
>
>>
>>       /* PMC */
>>       { "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K_PMC) },
>
> I'll give Marek a chance to look at this, then I'll take this into
> l2-mtd.git if there are no objections.
>
> Brian