1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * linux/include/asm-m68k/timex.h
4 *
5 * m68k architecture timex specifications
6 */
7 #ifndef _ASMm68K_TIMEX_H
8 #define _ASMm68K_TIMEX_H
9
10 #ifdef CONFIG_COLDFIRE
11 /*
12 * CLOCK_TICK_RATE should give the underlying frequency of the tick timer
13 * to make ntp work best. For Coldfires, that's the main clock.
14 */
15 #include <asm/coldfire.h>
16 #define CLOCK_TICK_RATE MCF_CLK
17 #else
18 /*
19 * This default CLOCK_TICK_RATE is probably wrong for many 68k boards
20 * Users of those boards will need to check and modify accordingly
21 */
22 #define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
23 #endif
24
25 typedef unsigned long cycles_t;
26
27 static inline cycles_t get_cycles(void)
28 {
29 return 0;
30 }
31
32 extern unsigned long (*mach_random_get_entropy)(void);
33
34 static inline unsigned long random_get_entropy(void)
35 {
36 if (mach_random_get_entropy)
37 return mach_random_get_entropy();
38 return random_get_entropy_fallback();
39 }
40 #define random_get_entropy random_get_entropy
41
42 #endif
43
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