[U-Boot] [PATCH] mtd/spi: Add MT35XU512ABA1G12 NOR flash support

[Jagan Teki]

On Fri, Aug 11, 2017 at 3:30 PM, Yogesh Narayan Gaur
<yogeshnarayan.gaur at nxp.com> wrote:
>
>
>> -----Original Message-----
>> From: Jagan Teki [mailto:jagannadh.teki at gmail.com]
>> Sent: Friday, August 11, 2017 3:25 PM
>> To: Yogesh Narayan Gaur <yogeshnarayan.gaur at nxp.com>
>> Cc: u-boot at lists.denx.de; York Sun <york.sun at nxp.com>
>> Subject: Re: [PATCH] mtd/spi: Add MT35XU512ABA1G12 NOR flash support
>>
>> On Tue, Aug 1, 2017 at 9:43 AM, Yogesh Gaur <yogeshnarayan.gaur at nxp.com>
>> wrote:
>> > Add MT35XU512ABA1G12 parameters to NOR flash parameters array. Since
>> > the manufactory ID is changed to 0x2C, add it for micron and using it
>> > for relevant settings.
>> >
>> > The MT35XU512ABA1G12 only supports 1 bit mode and 8 bits. It can't
>> > support dual and quad. Supports subsector erase with 4KB granularity,
>> > have support of FSR(flag status register) and flash size is 64MB.
>> > ---
>> >  drivers/mtd/spi/sf_internal.h   | 1 +
>> >  drivers/mtd/spi/spi_flash.c     | 2 ++
>> >  drivers/mtd/spi/spi_flash_ids.c | 1 +
>> >  3 files changed, 4 insertions(+)
>> >
>> > diff --git a/drivers/mtd/spi/sf_internal.h
>> > b/drivers/mtd/spi/sf_internal.h index 839cdbe..f46cb3a 100644
>> > --- a/drivers/mtd/spi/sf_internal.h
>> > +++ b/drivers/mtd/spi/sf_internal.h
>> > @@ -33,6 +33,7 @@ enum spi_nor_option_flags {
>> >  /* CFI Manufacture ID's */
>> >  #define SPI_FLASH_CFI_MFR_SPANSION     0x01
>> >  #define SPI_FLASH_CFI_MFR_STMICRO      0x20
>> > +#define SPI_FLASH_CFI_MFR_MICRON       0x2C
>>
>> Does this new mfr id from micro? so 0x20 still exists?
>>
> On older Micron flash like MT25QU512ABB mfr id still is 0x20 but in newer flash, MT35X, it's been changed to 0x2c.

OK, so the flash features like quad ennoblements, opcodes remains
same? except the mfr?

thanks!
-- 
Jagan Teki
Free Software Engineer | www.openedev.com
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.