[PATCH 3/3] OMAP4460: clock init

[Jan Weitzel]

Am Freitag, den 27.07.2012, 16:18 +0200 schrieb Jean-Christophe
PLAGNIOL-VILLARD:
> On 15:40 Fri 27 Jul     , Jan Weitzel wrote:
> > Change clock init to allow early gpio access. Add support for 4460 clocks.
> > 
> > Signed-off-by: Jan Weitzel <j.weitzel at phytec.de>
> > ---
> >  arch/arm/boards/panda/lowlevel.c              |    4 ++-
> >  arch/arm/boards/panda/mux.c                   |    8 +++++
> >  arch/arm/boards/pcm049/lowlevel.c             |   15 +++++++--
> >  arch/arm/boards/pcm049/mux.c                  |    8 +++++
> >  arch/arm/boards/phycard-a-xl2/lowlevel.c      |    9 ++++-
> >  arch/arm/boards/phycard-a-xl2/mux.c           |    8 +++++
> >  arch/arm/mach-omap/include/mach/omap4-clock.h |    4 ++
> >  arch/arm/mach-omap/omap4_clock.c              |   39 +++++++++++++++++-------
> >  8 files changed, 76 insertions(+), 19 deletions(-)
> > 
> > diff --git a/arch/arm/boards/panda/lowlevel.c b/arch/arm/boards/panda/lowlevel.c
> > index 8591fff..0b4b199 100644
> > --- a/arch/arm/boards/panda/lowlevel.c
> > +++ b/arch/arm/boards/panda/lowlevel.c
> > @@ -28,6 +28,8 @@
> >  #include <mach/syslib.h>
> >  #include <asm/barebox-arm.h>
> >  
> > +#define TPS62361_VSEL0_GPIO    7
> > +
> >  void set_muxconf_regs(void);
> >  
> >  static const struct ddr_regs ddr_regs_400_mhz_2cs = {
> > @@ -70,7 +72,7 @@ static void noinline panda_init_lowlevel(void)
> >  	omap4_ddr_init(&ddr_regs_400_mhz_2cs, &core);
> >  
> >  	/* Set VCORE1 = 1.3 V, VCORE2 = VCORE3 = 1.21V */
> > -	omap4_scale_vcores();
> > +	omap4_scale_vcores(TPS62361_VSEL0_GPIO);
> >  
> >  	board_init_lowlevel_return();
> >  }
> > diff --git a/arch/arm/boards/panda/mux.c b/arch/arm/boards/panda/mux.c
> > index 310e433..3783006 100644
> > --- a/arch/arm/boards/panda/mux.c
> > +++ b/arch/arm/boards/panda/mux.c
> > @@ -3,6 +3,7 @@
> >  #include <io.h>
> >  #include <mach/omap4-silicon.h>
> >  #include <mach/omap4-mux.h>
> > +#include <mach/omap4-clock.h>
> >  
> >  static const struct pad_conf_entry core_padconf_array[] = {
> >  	{ GPMC_AD0, PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1  /* sdmmc2_dat0 */ },
> > @@ -245,4 +246,11 @@ void set_muxconf_regs(void)
> >  
> >  	omap4_do_set_mux(OMAP44XX_CONTROL_PADCONF_WKUP, wkup_padconf_array,
> >  			ARRAY_SIZE(wkup_padconf_array));
> > +
> > +	/* gpio_wk7 is used for controlling TPS on 4460 */
> > +	if (omap4_revision() >= OMAP4460_ES1_0) {
> > +		writew(M3, OMAP44XX_CONTROL_PADCONF_WKUP + PAD1_FREF_CLK4_REQ);
> > +		/* Enable GPIO-1 clocks before TPS initialization */
> > +		omap4_enable_gpio1_wup_clocks();
> > +	}
> can we factorize this?
Sorry, I didn't catch this.
Jan
> Best Regards,
> J.