diff options
Diffstat (limited to 'include/asm-sparc64/delay.h')
-rw-r--r-- | include/asm-sparc64/delay.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/asm-sparc64/delay.h b/include/asm-sparc64/delay.h new file mode 100644 index 000000000000..2901ea0c342d --- /dev/null +++ b/include/asm-sparc64/delay.h | |||
@@ -0,0 +1,38 @@ | |||
1 | /* delay.h: Linux delay routines on sparc64. | ||
2 | * | ||
3 | * Copyright (C) 1996, 2004 David S. Miller (davem@davemloft.net). | ||
4 | * | ||
5 | * Based heavily upon x86 variant which is: | ||
6 | * Copyright (C) 1993 Linus Torvalds | ||
7 | * | ||
8 | * Delay routines calling functions in arch/sparc64/lib/delay.c | ||
9 | */ | ||
10 | |||
11 | #ifndef __SPARC64_DELAY_H | ||
12 | #define __SPARC64_DELAY_H | ||
13 | |||
14 | #include <linux/config.h> | ||
15 | #include <linux/param.h> | ||
16 | #include <asm/cpudata.h> | ||
17 | |||
18 | #ifndef __ASSEMBLY__ | ||
19 | |||
20 | extern void __bad_udelay(void); | ||
21 | extern void __bad_ndelay(void); | ||
22 | |||
23 | extern void __udelay(unsigned long usecs); | ||
24 | extern void __ndelay(unsigned long nsecs); | ||
25 | extern void __const_udelay(unsigned long usecs); | ||
26 | extern void __delay(unsigned long loops); | ||
27 | |||
28 | #define udelay(n) (__builtin_constant_p(n) ? \ | ||
29 | ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \ | ||
30 | __udelay(n)) | ||
31 | |||
32 | #define ndelay(n) (__builtin_constant_p(n) ? \ | ||
33 | ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \ | ||
34 | __ndelay(n)) | ||
35 | |||
36 | #endif /* !__ASSEMBLY__ */ | ||
37 | |||
38 | #endif /* defined(__SPARC64_DELAY_H) */ | ||