[U-Boot] [v3 PATCH 02/12] arm, at91: add spi dataflash support for the taurus board

[Jagan Teki]

On 31 October 2014 13:00, Heiko Schocher <hs at denx.de> wrote:
> Signed-off-by: Heiko Schocher <hs at denx.de>
> Reviewed-by: Bo Shen <voice.shen at atmel.com>
>
> ---
>
> Changes in v3:
> add Reviewed-by from Bo Shen
>
> Changes in v2:
> - add comment from Jagan Teki:
>   - remove spi_init_f() from board file
>   - remove CONFIG_SYS_SPI_WRITE_TOUT from board config file
>     instead define a default in the spi driver -> new patch for v2
>
>  board/siemens/taurus/taurus.c | 18 ++++++++++++++++++
>  include/configs/taurus.h      | 10 ++++++++++
>  2 files changed, 28 insertions(+)
>
> diff --git a/board/siemens/taurus/taurus.c b/board/siemens/taurus/taurus.c
> index 673b302..76609c7 100644
> --- a/board/siemens/taurus/taurus.c
> +++ b/board/siemens/taurus/taurus.c
> @@ -22,6 +22,8 @@
>  #include <asm/arch/gpio.h>
>  #include <asm/arch/at91sam9_sdramc.h>
>  #include <atmel_mci.h>
> +#include <asm/arch/at91_spi.h>
> +#include <spi.h>
>
>  #include <net.h>
>  #include <netdev.h>
> @@ -127,6 +129,21 @@ int board_early_init_f(void)
>         return 0;
>  }
>
> +int spi_cs_is_valid(unsigned int bus, unsigned int cs)
> +{
> +       return bus == 0 && cs == 0;
> +}
> +
> +void spi_cs_activate(struct spi_slave *slave)
> +{
> +       at91_set_gpio_value(TAURUS_SPI_CS_PIN, 0);
> +}
> +
> +void spi_cs_deactivate(struct spi_slave *slave)
> +{
> +       at91_set_gpio_value(TAURUS_SPI_CS_PIN, 1);
> +}
> +

Please add all these stuff in drivers/spi/atmel_spi.c

Did you see any issues?

>  int board_init(void)
>  {
>         /* adress of boot parameters */
> @@ -139,6 +156,7 @@ int board_init(void)
>  #ifdef CONFIG_MACB
>         taurus_macb_hw_init();
>  #endif
> +       at91_spi0_hw_init(TAURUS_SPI_MASK);
>
>         return 0;
>  }
> diff --git a/include/configs/taurus.h b/include/configs/taurus.h
> index aadf4cd..ba9496f 100644
> --- a/include/configs/taurus.h
> +++ b/include/configs/taurus.h
> @@ -127,6 +127,16 @@
>  #define CONFIG_USB_STORAGE
>  #endif
>
> +/* SPI EEPROM */
> +#define CONFIG_SPI
> +#define CONFIG_CMD_SPI
> +#define CONFIG_CMD_SF
> +#define CONFIG_SPI_FLASH
> +#define CONFIG_ATMEL_SPI
> +#define CONFIG_SPI_FLASH_STMICRO
> +#define TAURUS_SPI_MASK (1 << 4)
> +#define TAURUS_SPI_CS_PIN      AT91_PIN_PA3
> +
>  /* load address */
>  #define CONFIG_SYS_LOAD_ADDR                   0x22000000
>

thanks!
-- 
Jagan.