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#ifndef __ASM_SH_DELAY_H
#define __ASM_SH_DELAY_H
/*
* Copyright (C) 1999 Kaz Kojima
*/
#include <linux/config.h>
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)
: "t");
}
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 CONFIG_SMP
#define __udelay_val cpu_data[smp_processor_id()].udelay_val
#else
#define __udelay_val (current_cpu_data.loops_per_sec)
#endif
#define udelay(usecs) __udelay((usecs),__udelay_val)
#endif /* __ASM_SH_DELAY_H */
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