On 10/04/2013 21:32, feste...@gmail.com wrote:
> From: Fabio Estevam <fabio.este...@freescale.com>
> 
> Instead of having the same PAD control definition in each MX6 variant pin 
> file,
> place it into a common location.
> 
> Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
> ---

Hi Fabio,

> Changes since v2:
> - None
> Changes since v1:
> - Add missing IOMUX_CONFIG_SION definition to avoid breakage on mx6dl
> 
>  arch/arm/include/asm/arch-mx6/mx6dl_pins.h |   27 ---------------------------
>  arch/arm/include/asm/arch-mx6/mx6q_pins.h  |   27 ---------------------------
>  arch/arm/include/asm/imx-common/iomux-v3.h |   27 ++++++++++++++++++++++++++-
>  3 files changed, 26 insertions(+), 55 deletions(-)
> 
> diff --git a/arch/arm/include/asm/arch-mx6/mx6dl_pins.h 
> b/arch/arm/include/asm/arch-mx6/mx6dl_pins.h
> index 9846f1b..0ed12f3 100644
> --- a/arch/arm/include/asm/arch-mx6/mx6dl_pins.h
> +++ b/arch/arm/include/asm/arch-mx6/mx6dl_pins.h
> @@ -22,33 +22,6 @@
>  
>  #include <asm/imx-common/iomux-v3.h>
>  
> -/* Use to set PAD control */
> -#define PAD_CTL_HYS          (1 << 16)
> -#define PAD_CTL_PUS_100K_DOWN        (0 << 14)
> -#define PAD_CTL_PUS_47K_UP   (1 << 14)
> -#define PAD_CTL_PUS_100K_UP  (2 << 14)
> -#define PAD_CTL_PUS_22K_UP   (3 << 14)
> -
> -#define PAD_CTL_PUE          (1 << 13)
> -#define PAD_CTL_PKE          (1 << 12)
> -#define PAD_CTL_ODE          (1 << 11)
> -#define PAD_CTL_SPEED_LOW    (1 << 6)
> -#define PAD_CTL_SPEED_MED    (2 << 6)
> -#define PAD_CTL_SPEED_HIGH   (3 << 6)
> -#define PAD_CTL_DSE_DISABLE  (0 << 3)
> -#define PAD_CTL_DSE_240ohm   (1 << 3)
> -#define PAD_CTL_DSE_120ohm   (2 << 3)
> -#define PAD_CTL_DSE_80ohm    (3 << 3)
> -#define PAD_CTL_DSE_60ohm    (4 << 3)
> -#define PAD_CTL_DSE_48ohm    (5 << 3)
> -#define PAD_CTL_DSE_40ohm    (6 << 3)
> -#define PAD_CTL_DSE_34ohm    (7 << 3)
> -#define PAD_CTL_SRE_FAST     (1 << 0)
> -#define PAD_CTL_SRE_SLOW     (0 << 0)
> -

I have applied this patch and I have found now that this breaks some
MX51 boards, such as efika. In fact, the same defines are set also in
/home/stefano/Projects/imx/u-boot-imx/include/asm/arch/iomux-mx51.h.

Checking in the manual, I see that values in iomux-mx51.h are correct,
and they simply differs from the ones of MX6. We can simply add a #ifdef
CONFIG_MX51 in arch/arm/include/asm/imx-common/iomux-v3.h to fix it, but
anyway I suppose that the mx51evk does not work correctly. Can you take
a look at this issue ?

Best regards,
Stefano

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