[U-Boot] [PATCH 2/2] sf_probe: Add lock ops for SST SPI NOR flash

Jagan Teki jteki at openedev.com
Tue Nov 17 19:22:53 CET 2015


On 11 November 2015 at 20:51, Fabio Estevam <festevam at gmail.com> wrote:
> From: Fabio Estevam <fabio.estevam at freescale.com>
>
> SST SPI NOR flash has the same locking programming bits as ST Micro.
>
> Add support for it.
>
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
> ---
>  drivers/mtd/spi/sf_internal.h | 1 +
>  drivers/mtd/spi/sf_probe.c    | 3 ++-
>  2 files changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
> index 8793f18..85c8a89 100644
> --- a/drivers/mtd/spi/sf_internal.h
> +++ b/drivers/mtd/spi/sf_internal.h
> @@ -64,6 +64,7 @@ enum spi_nor_option_flags {
>  #define SPI_FLASH_CFI_MFR_SPANSION     0x01
>  #define SPI_FLASH_CFI_MFR_STMICRO      0x20
>  #define SPI_FLASH_CFI_MFR_MACRONIX     0xc2
> +#define SPI_FLASH_CFI_MFR_SST          0xbf
>  #define SPI_FLASH_CFI_MFR_WINBOND      0xef
>
>  /* Erase commands */
> diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
> index bc05d30..fea6c24 100644
> --- a/drivers/mtd/spi/sf_probe.c
> +++ b/drivers/mtd/spi/sf_probe.c
> @@ -184,8 +184,9 @@ static int spi_flash_validate_params(struct spi_slave *spi, u8 *idcode,
>
>         /* lock hooks are flash specific - assign them based on idcode0 */
>         switch (idcode[0]) {
> -#ifdef CONFIG_SPI_FLASH_STMICRO
> +#if defined CONFIG_SPI_FLASH_STMICRO || defined CONFIG_SPI_FLASH_SST
>         case SPI_FLASH_CFI_MFR_STMICRO:
> +       case SPI_FLASH_CFI_MFR_SST:
>                 flash->flash_lock = stm_lock;
>                 flash->flash_unlock = stm_unlock;
>                 flash->flash_is_locked = stm_is_locked;
> --

Please add SST #ifdef on lock definitions as well.

thanks!
-- 
Jagan | openedev.


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