Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * linux/include/asm-alpha/timex.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * ALPHA architecture timex specifications
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #ifndef _ASMALPHA_TIMEX_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define _ASMALPHA_TIMEX_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) /* With only one or two oddballs, we use the RTC as the ticker, selecting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)    the 32.768kHz reference clock, which nicely divides down to our HZ.  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define CLOCK_TICK_RATE	32768
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  * Standard way to access the cycle counter.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * Currently only used on SMP for scheduling.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  * Only the low 32 bits are available as a continuously counting entity. 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  * But this only means we'll force a reschedule every 8 seconds or so,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  * which isn't an evil thing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) typedef unsigned int cycles_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static inline cycles_t get_cycles (void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	cycles_t ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	__asm__ __volatile__ ("rpcc %0" : "=r"(ret));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #endif