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

[Yogesh Narayan Gaur]

> -----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.

--
Regards
Yogesh Gaur.

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