#ifndef __ASM_SH_DELAY_H #define __ASM_SH_DELAY_H /* * Copyright (C) 1999 Kaz Kojima */ extern __inline__ void __delay(unsigned long loops) { __asm__ __volatile__( "tst %0,%0\n\t" "1:\t" "bf/s 1b\n\t" " dt %0" : "=r" (loops) : "0" (loops)); } extern __inline__ void __udelay(unsigned long usecs, unsigned long lps) { usecs *= 0x000010c6; /* 2**32 / 1000000 */ __asm__("dmulu.l %0,%2\n\t" "sts mach,%0" : "=r" (usecs) : "0" (usecs), "r" (lps) : "macl", "mach"); __delay(usecs); } #ifdef __SMP__ #define __udelay_val cpu_data[smp_processor_id()].udelay_val #else #define __udelay_val loops_per_sec #endif #define udelay(usecs) __udelay((usecs),__udelay_val) #endif /* __ASM_SH_DELAY_H */