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1 /* $Id: delay.h,v 1.11 2001/01/01 01:46:15 davem Exp $
2 * delay.h: Linux delay routines on the Sparc.
4 * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu).
7 #ifndef __SPARC_DELAY_H
8 #define __SPARC_DELAY_H
10 #include <linux/config.h>
11 #include <asm/cpudata.h>
13 static inline void __delay(unsigned long loops
)
15 __asm__
__volatile__("cmp %0, 0\n\t"
23 /* This is too messy with inline asm on the Sparc. */
24 extern void __udelay(unsigned long usecs
, unsigned long lpj
);
25 extern void __ndelay(unsigned long nsecs
, unsigned long lpj
);
28 #define __udelay_val cpu_data(smp_processor_id()).udelay_val
30 #define __udelay_val loops_per_jiffy
32 #define udelay(__usecs) __udelay(__usecs, __udelay_val)
33 #define ndelay(__nsecs) __ndelay(__nsecs, __udelay_val)
35 #endif /* defined(__SPARC_DELAY_H) */