[U-Boot] [PATCH] ot1200: fix sf detection

Stefano Babic sbabic at denx.de
Wed Oct 22 11:35:23 CEST 2014


On 22/10/2014 11:29, Christian Gmeiner wrote:
> Commit 155fa9af95ac5be857a7327e7a968a296e60d4c8 changed the way
> to define a GPIO line, which can be used to force CS high
> across multiple transactions. In order to fix sf detection
> change board code to make use of board_spi_cs_gpio(..).
> 
> Signed-off-by: Christian Gmeiner <christian.gmeiner at gmail.com>
> ---
>  board/bachmann/ot1200/ot1200.c | 5 +++++
>  include/configs/ot1200.h       | 2 +-
>  2 files changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/board/bachmann/ot1200/ot1200.c b/board/bachmann/ot1200/ot1200.c
> index 0d5ede5..2962e0c 100644
> --- a/board/bachmann/ot1200/ot1200.c
> +++ b/board/bachmann/ot1200/ot1200.c
> @@ -98,6 +98,11 @@ static void setup_iomux_spi(void)
>  	imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
>  }
>  
> +int board_spi_cs_gpio(unsigned bus, unsigned cs)
> +{
> +	return (bus == 2 && cs == 0) ? (IMX_GPIO_NR(1, 3)) : -1;
> +}
> +
>  int board_early_init_f(void)
>  {
>  	setup_iomux_uart();
> diff --git a/include/configs/ot1200.h b/include/configs/ot1200.h
> index 071880f..d7696bd 100644
> --- a/include/configs/ot1200.h
> +++ b/include/configs/ot1200.h
> @@ -47,7 +47,7 @@
>  #define CONFIG_SPI_FLASH_SST
>  #define CONFIG_MXC_SPI
>  #define CONFIG_SF_DEFAULT_BUS  2
> -#define CONFIG_SF_DEFAULT_CS   (0|(IMX_GPIO_NR(1, 3)<<8))
> +#define CONFIG_SF_DEFAULT_CS   0
>  #define CONFIG_SF_DEFAULT_SPEED 25000000
>  #define CONFIG_SF_DEFAULT_MODE (SPI_MODE_0)
>  
> 

Acked-by: Stefano Babic <sbabic at denx.de>

Best regards,
Stefano Babic


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