1 /* $Id: delay.h,v 1.13 2002/02/02 03:33:48 kanoj Exp $
2 * delay.h: Linux delay routines on the V9.
4 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu).
7 #ifndef __SPARC64_DELAY_H
8 #define __SPARC64_DELAY_H
10 #include <linux/config.h>
11 #include <linux/param.h>
12 #include <asm/cpudata.h>
16 static __inline__ void __delay(unsigned long loops)
30 static __inline__ void __udelay(unsigned long usecs, unsigned long lps)
32 usecs *= 0x00000000000010c6UL; /* 2**32 / 1000000 */
38 : "r" (usecs), "r" (lps));
43 extern __inline__ void __ndelay(unsigned long usecs, unsigned long lps)
45 usecs *= 0x0000000000000005UL; /* 2**32 / 10000 */
51 : "r" (usecs), "r" (lps));
56 #define __udelay_val cpu_data(smp_processor_id()).udelay_val
58 #define udelay(usecs) __udelay((usecs),__udelay_val)
59 #define ndelay(usecs) __ndelay((usecs),__udelay_val)
61 #endif /* !__ASSEMBLY__ */
63 #endif /* defined(__SPARC64_DELAY_H) */