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

Jagan Teki jagannadh.teki at gmail.com
Fri Aug 11 09:54:51 UTC 2017


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?

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


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