ARM: Realview/Versatile: don't use magic numbers for timer frequency
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -26,15 +26,13 @@
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#include <asm/hardware/arm_timer.h>
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#include <mach/platform.h>
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#include <plat/timer-sp.h>
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/*
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* How long is the timer interval?
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* These timers are currently always setup to be clocked at 1MHz.
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*/
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#define TIMER_RELOAD (TICKS_PER_uSEC * mSEC_10)
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#define TIMER_FREQ_KHZ (1000)
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#define TIMER_RELOAD (TIMER_FREQ_KHZ * 1000 / HZ)
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static void __iomem *clksrc_base;
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@ -65,7 +63,7 @@ void __init sp804_clocksource_init(void __iomem *base)
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writel(TIMER_CTRL_32BIT | TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC,
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clksrc_base + TIMER_CTRL);
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cs->mult = clocksource_khz2mult(1000, cs->shift);
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cs->mult = clocksource_khz2mult(TIMER_FREQ_KHZ, cs->shift);
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clocksource_register(cs);
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}
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@ -149,7 +147,7 @@ void __init sp804_clockevents_init(void __iomem *base, unsigned int timer_irq)
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clkevt_base = base;
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evt->irq = timer_irq;
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evt->mult = div_sc(1000000, NSEC_PER_SEC, evt->shift);
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evt->mult = div_sc(TIMER_FREQ_KHZ, NSEC_PER_MSEC, evt->shift);
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evt->max_delta_ns = clockevent_delta2ns(0xffffffff, evt);
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evt->min_delta_ns = clockevent_delta2ns(0xf, evt);
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