xref: /OK3568_Linux_fs/kernel/arch/powerpc/include/asm/timex.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ASM_POWERPC_TIMEX_H
3*4882a593Smuzhiyun #define _ASM_POWERPC_TIMEX_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #ifdef __KERNEL__
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun /*
8*4882a593Smuzhiyun  * PowerPC architecture timex specifications
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <asm/cputable.h>
12*4882a593Smuzhiyun #include <asm/reg.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #define CLOCK_TICK_RATE	1024000 /* Underlying HZ */
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun typedef unsigned long cycles_t;
17*4882a593Smuzhiyun 
get_cycles(void)18*4882a593Smuzhiyun static inline cycles_t get_cycles(void)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun 	return mftb();
21*4882a593Smuzhiyun }
22*4882a593Smuzhiyun #define get_cycles get_cycles
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #endif	/* __KERNEL__ */
25*4882a593Smuzhiyun #endif	/* _ASM_POWERPC_TIMEX_H */
26