[U-Boot] [PATCH 7/8 V2] EXYNOS5: Enable SPI

Simon Glass sjg at chromium.org
Tue Oct 2 08:08:49 CEST 2012


On Tue, Jul 31, 2012 at 4:01 AM, Rajeshwari Shinde
<rajeshwari.s at samsung.com> wrote:
> This patch enables SPI driver for EXYNOS5.
>
> Signed-off-by: Rajeshwari Shinde <rajeshwari.s at samsung.com>

Acked-by: Simon Glass <sjg at chromium.org>

> ---
> Changes in V2:
>         - None.
>  board/samsung/smdk5250/smdk5250.c |    3 +++
>  include/configs/smdk5250.h        |   23 ++++++++++++++++++++++-
>  2 files changed, 25 insertions(+), 1 deletions(-)
>
> diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
> index a5816e4..2848c10 100644
> --- a/board/samsung/smdk5250/smdk5250.c
> +++ b/board/samsung/smdk5250/smdk5250.c
> @@ -63,6 +63,9 @@ static int smc9115_pre_init(void)
>  int board_init(void)
>  {
>         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
> +#ifdef CONFIG_EXYNOS_SPI
> +       spi_init();
> +#endif
>         return 0;
>  }
>
> diff --git a/include/configs/smdk5250.h b/include/configs/smdk5250.h
> index 27dab76..29b7ac6 100644
> --- a/include/configs/smdk5250.h
> +++ b/include/configs/smdk5250.h
> @@ -167,7 +167,7 @@
>  #undef CONFIG_CMD_IMLS
>  #define CONFIG_IDENT_STRING            " for SMDK5250"
>
> -#define CONFIG_ENV_IS_IN_MMC
> +/*#define CONFIG_ENV_IS_IN_MMC*/
>  #define CONFIG_SYS_MMC_ENV_DEV         0
>
>  #define CONFIG_SECURE_BL1_ONLY
> @@ -216,6 +216,27 @@
>  #define CONFIG_ENV_SROM_BANK           1
>  #endif /*CONFIG_CMD_NET*/
>
> +/* SPI */
> +#define CONFIG_ENV_IS_IN_SPI_FLASH
> +#define CONFIG_SPI_FLASH
> +
> +#ifdef CONFIG_SPI_FLASH
> +#define CONFIG_EXYNOS_SPI
> +#define CONFIG_CMD_SF
> +#define CONFIG_CMD_SPI
> +#define CONFIG_SPI_FLASH_WINBOND
> +#define CONFIG_SF_DEFAULT_MODE         SPI_MODE_0
> +#define CONFIG_SF_DEFAULT_SPEED                50000000
> +#define EXYNOS5_SPI_NUM_CONTROLLERS    5
> +#endif
> +
> +#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
> +#define CONFIG_ENV_SPI_MODE    SPI_MODE_0
> +#define CONFIG_ENV_SECT_SIZE   CONFIG_ENV_SIZE
> +#define CONFIG_ENV_SPI_BUS     1
> +#define CONFIG_ENV_SPI_MAX_HZ  50000000
> +#endif
> +
>  /* Enable devicetree support */
>  #define CONFIG_OF_LIBFDT
>
> --
> 1.7.4.4
>


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