[U-Boot] [PATCH 4/4] ZOOM1 Add power reset button

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

On 07:53 Wed 10 Jun     , Tom Rix wrote:
> The reset button is the red circle on the top right, front of
> the board.  Press and hold the button for 8 seconds to completely
> reset the board.
> 
> Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
> ---
>  board/omap3/zoom1/zoom1.c     |    8 ++++++++
>  drivers/i2c/twl4030_i2c.c     |    2 +-
>  include/configs/omap3_zoom1.h |    1 +
>  3 files changed, 10 insertions(+), 1 deletions(-)
> 
> diff --git a/board/omap3/zoom1/zoom1.c b/board/omap3/zoom1/zoom1.c
> index db4d087..8a3afaf 100644
> --- a/board/omap3/zoom1/zoom1.c
> +++ b/board/omap3/zoom1/zoom1.c
> @@ -31,6 +31,7 @@
>   * MA 02111-1307 USA
>   */
>  #include <common.h>
> +#include <twl4030.h>
>  #include <asm/io.h>
>  #include <asm/arch/mux.h>
>  #include <asm/arch/sys_proto.h>
> @@ -51,6 +52,13 @@ int board_init(void)
>  	/* boot param addr */
>  	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
>  
> +	/*
> +	 * Board Reset
> +	 * The board is reset by holding the red button on the
> +	 * top right front face for eight seconds.
> +	 */
> +	twl4030_power_reset_init();
> +
>  	return 0;
>  }
>  
> diff --git a/drivers/i2c/twl4030_i2c.c b/drivers/i2c/twl4030_i2c.c
> index 549f974..00146f8 100644
> --- a/drivers/i2c/twl4030_i2c.c
> +++ b/drivers/i2c/twl4030_i2c.c
> @@ -40,7 +40,7 @@ static inline int twl4030_i2c_read_u8(u8 chip_no, u8 *val, u8 reg)
>   */
>  void twl4030_power_reset_init(void)
>  {
> -#ifdef CONFIG_OMAP3_ZOOM2
> +#if defined(CONFIG_OMAP3_ZOOM2) || defined(CONFIG_OMAP3_ZOOM1)
I think it will be better to avoid board specifc code in the driver
unless it's the only solution

Best Regards,
J.