xref: /linux/arch/openrisc/include/asm/timex.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * OpenRISC Linux
3  *
4  * Linux architectural port borrowing liberally from similar works of
5  * others.  All original copyrights apply as per the original source
6  * declaration.
7  *
8  * OpenRISC implementation:
9  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2 of the License, or
14  * (at your option) any later version.
15  */
16 
17 #ifndef __ASM_OPENRISC_TIMEX_H
18 #define __ASM_OPENRISC_TIMEX_H
19 
20 #define get_cycles get_cycles
21 
22 #include <asm-generic/timex.h>
23 #include <asm/spr.h>
24 #include <asm/spr_defs.h>
25 
26 static inline cycles_t get_cycles(void)
27 {
28 	return mfspr(SPR_TTCR);
29 }
30 
31 /* This isn't really used any more */
32 #define CLOCK_TICK_RATE 1000
33 
34 #define ARCH_HAS_READ_CURRENT_TIMER
35 
36 #endif
37