On 17.08.16 09:13, Heiko Schocher wrote: > on at91sam9x5 PRES offset is 4 in the PMC master > clock register. > > Signed-off-by: Heiko Schocher <h...@denx.de> > --- > > arch/arm/mach-at91/arm926ejs/clock.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm/mach-at91/arm926ejs/clock.c > b/arch/arm/mach-at91/arm926ejs/clock.c > index c8d24ae..e3181fa 100644 > --- a/arch/arm/mach-at91/arm926ejs/clock.c > +++ b/arch/arm/mach-at91/arm926ejs/clock.c > @@ -162,7 +162,13 @@ int at91_clock_init(unsigned long main_clock) > gd->arch.mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK); > freq = gd->arch.mck_rate_hz; > > +#if defined(CONFIG_AT91SAM9X5) > + /* different in prescale on at91sam9x5 */ > + freq /= (1 << ((mckr & AT91_PMC_MCKR_PRES_MASK) >> 4));
This one is really ugly ... I can live with the ifdef here but have you realized the 0x7 for PRES? Andreas > +#else > freq /= (1 << ((mckr & AT91_PMC_MCKR_PRES_MASK) >> 2)); /* prescale */ > +#endif > + > #if defined(CONFIG_AT91SAM9G20) > /* mdiv ; (x >> 7) = ((x >> 8) * 2) */ > gd->arch.mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ? > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
