| /* delay.h: Linux delay routines on sparc64. |
| * |
| * Copyright (C) 1996, 2004 David S. Miller (davem@davemloft.net). |
| * |
| * Based heavily upon x86 variant which is: |
| * Copyright (C) 1993 Linus Torvalds |
| * |
| * Delay routines calling functions in arch/sparc64/lib/delay.c |
| */ |
| |
| #ifndef __SPARC64_DELAY_H |
| #define __SPARC64_DELAY_H |
| |
| #include <linux/config.h> |
| #include <linux/param.h> |
| #include <asm/cpudata.h> |
| |
| #ifndef __ASSEMBLY__ |
| |
| extern void __bad_udelay(void); |
| extern void __bad_ndelay(void); |
| |
| extern void __udelay(unsigned long usecs); |
| extern void __ndelay(unsigned long nsecs); |
| extern void __const_udelay(unsigned long usecs); |
| extern void __delay(unsigned long loops); |
| |
| #define udelay(n) (__builtin_constant_p(n) ? \ |
| ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \ |
| __udelay(n)) |
| |
| #define ndelay(n) (__builtin_constant_p(n) ? \ |
| ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \ |
| __ndelay(n)) |
| |
| #endif /* !__ASSEMBLY__ */ |
| |
| #endif /* defined(__SPARC64_DELAY_H) */ |