1 /* $Id: delay.h,v 1.12.2.1 2002/02/02 02:11:52 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>
18 extern unsigned long loops_per_jiffy;
21 extern __inline__ void __delay(unsigned long loops)
35 extern __inline__ void __udelay(unsigned long usecs, unsigned long lps)
37 usecs *= 0x00000000000010c6UL; /* 2**32 / 1000000 */
43 : "r" (usecs), "r" (lps));
48 extern __inline__ void __ndelay(unsigned long usecs, unsigned long lps)
50 usecs *= 0x0000000000000005UL; /* 2**32 / 10000 */
56 : "r" (usecs), "r" (lps));
62 #define __udelay_val cpu_data[smp_processor_id()].udelay_val
64 #define __udelay_val loops_per_jiffy
67 #define udelay(usecs) __udelay((usecs),__udelay_val)
68 #define ndelay(usecs) __ndelay((usecs),__udelay_val)
70 #endif /* !__ASSEMBLY__ */
72 #endif /* defined(__SPARC64_DELAY_H) */