[U-Boot] [PATCH v2 2/6] arm: mvf600: Add IOMUX support for Vybrid MVF600
Benoît Thébaudeau
benoit.thebaudeau at advansee.com
Wed May 15 15:53:50 CEST 2013
Hi Stefano, Alison,
On Wednesday, May 15, 2013 10:16:40 AM, Stefano Babic wrote:
> On 14/05/2013 11:51, Alison Wang wrote:
> > This patch adds the IOMUX support for Vybrid MVF600 platform.
> >
> > There is a little difference for IOMUXC module between MVF600 and i.MX
> > platform, the muxmode and pad configuration share one 32bit register on
> > MVF600, but they are two independent registers on I.MX platform. A
> > CONFIG_IOMUX_SHARE_CONFIG_REG was introduced to fit this difference.
> >
> > Signed-off-by: Alison Wang <b18965 at freescale.com>
> > ---
> > Changes in v2:
> > - Use common iomux-v3 code
> >
> > arch/arm/imx-common/Makefile | 2 +-
> > arch/arm/imx-common/iomux-v3.c | 6 ++++++
> > arch/arm/include/asm/imx-common/iomux-v3.h | 18 ++++++++++++++++++
> > 3 files changed, 25 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
> > index 8bba8a5..3378931 100644
> > --- a/arch/arm/imx-common/Makefile
> > +++ b/arch/arm/imx-common/Makefile
> > @@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk
> >
> > LIB = $(obj)libimx-common.o
> >
> > -ifeq ($(SOC),$(filter $(SOC),mx25 mx35 mx5 mx6))
> > +ifeq ($(SOC),$(filter $(SOC),mx25 mx35 mx5 mx6 mvf600))
> > COBJS-y = iomux-v3.o
> > endif
> > ifeq ($(SOC),$(filter $(SOC),mx5 mx6))
> > diff --git a/arch/arm/imx-common/iomux-v3.c
> > b/arch/arm/imx-common/iomux-v3.c
> > index 7fe5ce7..35880c7 100644
> > --- a/arch/arm/imx-common/iomux-v3.c
> > +++ b/arch/arm/imx-common/iomux-v3.c
> > @@ -48,8 +48,14 @@ void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
> > if (sel_input_ofs)
> > __raw_writel(sel_input, base + sel_input_ofs);
> >
> > +#ifdef CONFIG_IOMUX_SHARE_CONF_REG
> > + if (!(pad_ctrl & NO_PAD_CTRL))
> > + __raw_writel((mux_mode << PAD_MUX_MODE_SHIFT) | pad_ctrl,
> > + base + pad_ctrl_ofs);
> > +#else
> > if (!(pad_ctrl & NO_PAD_CTRL) && pad_ctrl_ofs)
> > __raw_writel(pad_ctrl, base + pad_ctrl_ofs);
> > +#endif
> > }
> >
> > void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list,
> > diff --git a/arch/arm/include/asm/imx-common/iomux-v3.h
> > b/arch/arm/include/asm/imx-common/iomux-v3.h
> > index 0b4e763..7005fde 100644
> > --- a/arch/arm/include/asm/imx-common/iomux-v3.h
> > +++ b/arch/arm/include/asm/imx-common/iomux-v3.h
> > @@ -121,6 +121,24 @@ typedef u64 iomux_v3_cfg_t;
> > #define PAD_CTL_DSE_40ohm (6 << 3)
> > #define PAD_CTL_DSE_34ohm (7 << 3)
> >
> > +#elif defined(CONFIG_MVF600)
> > +
> > +#define PAD_MUX_MODE_SHIFT 20
> > +
> > +#define PAD_CTL_PUS_47K_UP (1 << 4)
> > +#define PAD_CTL_PUS_100K_UP (2 << 4)
> > +#define PAD_CTL_PUE (1 << 2)
> > +#define PAD_CTL_PKE (1 << 3)
> > +
> > +#define PAD_CTL_SPEED_HIGH (3 << 12)
> > +#define PAD_CTL_SPEED_MED (1 << 12)
> > +
> > +#define PAD_CTL_DSE_20ohm (7 << 6)
> > +#define PAD_CTL_DSE_25ohm (6 << 6)
> > +#define PAD_CTL_DSE_50ohm (3 << 6)
> > +
> > +#define PAD_CTL_OBE_IBE_ENABLE (3 << 0)
> > +
> > #else
> >
> > #define PAD_CTL_DVS (1 << 13)
> >
>
> Acked-by: Stefano Babic <sbabic at denx.de>
Could you please just fix the spaces/tabs mess in the #define-s?
Thanks.
Best regards,
Benoît
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