1 /* 2 * arch/arm/include/asm/timex.h 3 * 4 * Copyright (C) 1997,1998 Russell King 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * Architecture Specific TIME specifications 11 */ 12 #ifndef _ASMARM_TIMEX_H 13 #define _ASMARM_TIMEX_H 14 15 #include <asm/arch_timer.h> 16 #ifdef CONFIG_ARCH_MULTIPLATFORM 17 #define CLOCK_TICK_RATE 1000000 18 #else 19 #include <mach/timex.h> 20 #endif 21 22 typedef unsigned long cycles_t; 23 24 #ifdef ARCH_HAS_READ_CURRENT_TIMER 25 #define get_cycles() ({ cycles_t c; read_current_timer(&c) ? 0 : c; }) 26 #else 27 #define get_cycles() (0) 28 #endif 29 30 #endif 31