diff options
Diffstat (limited to 'arch/mips/include/asm/timex.h')
-rw-r--r-- | arch/mips/include/asm/timex.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h new file mode 100644 index 000000000000..6529704aa73a --- /dev/null +++ b/arch/mips/include/asm/timex.h | |||
@@ -0,0 +1,43 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (C) 1998, 1999, 2003 by Ralf Baechle | ||
7 | */ | ||
8 | #ifndef _ASM_TIMEX_H | ||
9 | #define _ASM_TIMEX_H | ||
10 | |||
11 | #ifdef __KERNEL__ | ||
12 | |||
13 | #include <asm/mipsregs.h> | ||
14 | |||
15 | /* | ||
16 | * This is the clock rate of the i8253 PIT. A MIPS system may not have | ||
17 | * a PIT by the symbol is used all over the kernel including some APIs. | ||
18 | * So keeping it defined to the number for the PIT is the only sane thing | ||
19 | * for now. | ||
20 | */ | ||
21 | #define CLOCK_TICK_RATE 1193182 | ||
22 | |||
23 | /* | ||
24 | * Standard way to access the cycle counter. | ||
25 | * Currently only used on SMP for scheduling. | ||
26 | * | ||
27 | * Only the low 32 bits are available as a continuously counting entity. | ||
28 | * But this only means we'll force a reschedule every 8 seconds or so, | ||
29 | * which isn't an evil thing. | ||
30 | * | ||
31 | * We know that all SMP capable CPUs have cycle counters. | ||
32 | */ | ||
33 | |||
34 | typedef unsigned int cycles_t; | ||
35 | |||
36 | static inline cycles_t get_cycles(void) | ||
37 | { | ||
38 | return 0; | ||
39 | } | ||
40 | |||
41 | #endif /* __KERNEL__ */ | ||
42 | |||
43 | #endif /* _ASM_TIMEX_H */ | ||