xref: /OK3568_Linux_fs/kernel/arch/openrisc/include/asm/timex.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * OpenRISC Linux
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Linux architectural port borrowing liberally from similar works of
6*4882a593Smuzhiyun  * others.  All original copyrights apply as per the original source
7*4882a593Smuzhiyun  * declaration.
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * OpenRISC implementation:
10*4882a593Smuzhiyun  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11*4882a593Smuzhiyun  */
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #ifndef __ASM_OPENRISC_TIMEX_H
14*4882a593Smuzhiyun #define __ASM_OPENRISC_TIMEX_H
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #define get_cycles get_cycles
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #include <asm-generic/timex.h>
19*4882a593Smuzhiyun #include <asm/spr.h>
20*4882a593Smuzhiyun #include <asm/spr_defs.h>
21*4882a593Smuzhiyun 
get_cycles(void)22*4882a593Smuzhiyun static inline cycles_t get_cycles(void)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun 	return mfspr(SPR_TTCR);
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun #define get_cycles get_cycles
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun /* This isn't really used any more */
29*4882a593Smuzhiyun #define CLOCK_TICK_RATE 1000
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #define ARCH_HAS_READ_CURRENT_TIMER
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #endif
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