Linux-2.6.12-rc2
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / asm-sh64 / timex.h
blobaf0b792696615058268ce878567f7f23f6ae31dc
1 #ifndef __ASM_SH64_TIMEX_H
2 #define __ASM_SH64_TIMEX_H
4 /*
5 * This file is subject to the terms and conditions of the GNU General Public
6 * License. See the file "COPYING" in the main directory of this archive
7 * for more details.
9 * include/asm-sh64/timex.h
11 * Copyright (C) 2000, 2001 Paolo Alberelli
12 * Copyright (C) 2003 Paul Mundt
14 * sh-5 architecture timex specifications
18 #define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
19 #define CLOCK_TICK_FACTOR 20 /* Factor of both 1000000 and CLOCK_TICK_RATE */
20 #define FINETUNE ((((((long)LATCH * HZ - CLOCK_TICK_RATE) << SHIFT_HZ) * \
21 (1000000/CLOCK_TICK_FACTOR) / (CLOCK_TICK_RATE/CLOCK_TICK_FACTOR)) \
22 << (SHIFT_SCALE-SHIFT_HZ)) / HZ)
24 typedef unsigned long cycles_t;
26 static __inline__ cycles_t get_cycles (void)
28 return 0;
31 #define vxtime_lock() do {} while (0)
32 #define vxtime_unlock() do {} while (0)
34 #endif /* __ASM_SH64_TIMEX_H */