[U-Boot] [PATCH] arm:kirkwood: Add hardware watchdog support for Marvell Kirkwood boards

[Simon Kagstrom <simon.kagstrom@netinsight.net>]

On Mon, 28 Sep 2009 07:36:32 -0500
Tom <Tom.Rix@windriver.com> wrote:

> > +void hw_watchdog_reset(void)
> > +{
> > +	unsigned long time = CONFIG_SYS_TCLK * watchdog_timeout;
>
> > diff --git a/include/asm-arm/arch-kirkwood/cpu.h b/include/asm-arm/arch-kirkwood/cpu.h
> > index b3022a3..df49c3f 100644
> > --- a/include/asm-arm/arch-kirkwood/cpu.h
> > +++ b/include/asm-arm/arch-kirkwood/cpu.h
> > @@ -165,5 +165,7 @@ int kw_config_mpp(unsigned int mpp0_7, unsigned int mpp8_15,
> >  		unsigned int mpp32_39, unsigned int mpp40_47,
> >  		unsigned int mpp48_55);
> >  unsigned int kw_winctrl_calcsize(unsigned int sizeval);
> > +void kw_watchdog_init(unsigned long timeout_secs);
> 
> You should add hw_watchdog_reset to H the file or declare it static.

It's a public interface and defined in  include/watchdog.h (this is
what's being called by WATCHDOG_RESET), but I'll submit a new patch
which includes this.

> You may want to add #define stubs to handle the ifndef CONFIG_HW_WATCHDOG.

I'm afraid I don't understand this comment though, what is the
suggestion here?

// Simon