[U-Boot] [PATCH v3 1/3] iomux-v3: Place pad control definitions into common file

["Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>]

Hi Stefano,

On Thursday, April 25, 2013 10:27:12 PM, Stefano Babic wrote:
> On 10/04/2013 21:32, festevam at gmail.com wrote:
> > From: Fabio Estevam <fabio.estevam@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.estevam@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 ?

I have already made a patch for that among other things. I will post it
tomorrow.

Best regards,
Beno?t