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[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-armnommu/] [delay.h] - Blame information for rev 1782

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1 1633 jcastillo
#ifndef __ASM_ARM_DELAY_H
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#define __ASM_ARM_DELAY_H
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/*
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 * Copyright (C) 1995 Russell King
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 *
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 * Delay routines, using a pre-computed "loops_per_second" value.
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 */
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extern void __delay(int loops);
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/*
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 * division by multiplication: you don't have to worry about
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 * loss of precision.
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 *
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 * Use only for very small delays ( < 1 msec).  Should probably use a
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 * lookup table, really, as the multiplications take much too long with
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 * short delays.  This is a "reasonable" implementation, though (and the
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 * first constant multiplications gets optimized away if the delay is
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 * a constant)
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 */
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extern void udelay(unsigned long usecs);
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extern __inline__ unsigned long muldiv(unsigned long a, unsigned long b, unsigned long c)
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{
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        return a * b / c;
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}
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#endif /* defined(_ARM_DELAY_H) */
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