[U-Boot] [PATCH] arm: omap3: Fix tao3530/omap3_ha SPL boot hangup (GPIO clocks not enabled)

[Stefano Babic <sbabic@denx.de>]

Hi Stefan,

On 14/02/2014 09:47, Stefan Roese wrote:
> Patch f33b9bd3
> [arm: omap3: Enable clocks for peripherals only if they are used]
> breaks SPL booting on tao3530. Since some gpio input's are
> read to detect the board revision. But with this patch above, the
> clocks to the GPIO subsystems are not enabled per default any more.
> The GPIO banks need to be configured specifically now.
> 
> Signed-off-by: Stefan Roese <sr@denx.de>
> Cc: Tom Rini <trini@ti.com>
> Cc: Michael Trimarchi <michael@amarulasolutions.com>
> ---
>  include/configs/tao3530.h | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/include/configs/tao3530.h b/include/configs/tao3530.h
> index 9abfe82..9c04c23 100644
> --- a/include/configs/tao3530.h
> +++ b/include/configs/tao3530.h
> @@ -83,6 +83,13 @@
>  #define CONFIG_OMAP_HSMMC
>  #define CONFIG_DOS_PARTITION
>  
> +/* GPIO banks */
> +#define CONFIG_OMAP3_GPIO_2		/* GPIO32 ..63  is in GPIO bank 2 */
> +#define CONFIG_OMAP3_GPIO_3		/* GPIO64 ..95  is in GPIO bank 3 */
> +#define CONFIG_OMAP3_GPIO_4		/* GPIO96 ..127 is in GPIO bank 4 */
> +#define CONFIG_OMAP3_GPIO_5		/* GPIO128..159 is in GPIO bank 5 */
> +#define CONFIG_OMAP3_GPIO_6		/* GPIO160..191 is in GPIO bank 6 */
> +
>  /* commands to include */
>  #include <config_cmd_default.h>
>  
> 

I confirm the issue, I will send a similar patch for the mcx board.

Reviewed-by: Stefano Babic <sbabic@denx.de>

Best regards,
Stefano Babic

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