made timer more generic
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1051 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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@ -2,29 +2,29 @@
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/* This code is distributed without warranty under the GPL v2 (see COPYING) */
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#include <timer.h>
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#include <bsp.h>
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#include <ppc.h>
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unsigned get_hz(void)
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unsigned long get_hz(void)
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{
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return bsp_clock_speed();
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return get_clock_speed();
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}
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unsigned ticks_since_boot(void)
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unsigned long ticks_since_boot(void)
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{
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extern unsigned long long _timebase(void);
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return (unsigned) (_timebase());
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extern unsigned long _timebase(void);
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return _timebase();
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}
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void sleep_ticks(unsigned ticks)
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void sleep_ticks(unsigned long ticks)
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{
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unsigned then = ticks + ticks_since_boot();
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unsigned long then = ticks + ticks_since_boot();
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while(ticks_since_boot() < then)
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;
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}
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void udelay(int usecs)
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{
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unsigned ticksperusec = get_hz() / 1000000;
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unsigned long ticksperusec = get_hz() / 1000000;
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sleep_ticks(ticksperusec * usecs);
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}
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