1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * linux/include/asm-m68k/timex.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * m68k architecture timex specifications 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun #ifndef _ASMm68K_TIMEX_H 8*4882a593Smuzhiyun #define _ASMm68K_TIMEX_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifdef CONFIG_COLDFIRE 11*4882a593Smuzhiyun /* 12*4882a593Smuzhiyun * CLOCK_TICK_RATE should give the underlying frequency of the tick timer 13*4882a593Smuzhiyun * to make ntp work best. For Coldfires, that's the main clock. 14*4882a593Smuzhiyun */ 15*4882a593Smuzhiyun #include <asm/coldfire.h> 16*4882a593Smuzhiyun #define CLOCK_TICK_RATE MCF_CLK 17*4882a593Smuzhiyun #else 18*4882a593Smuzhiyun /* 19*4882a593Smuzhiyun * This default CLOCK_TICK_RATE is probably wrong for many 68k boards 20*4882a593Smuzhiyun * Users of those boards will need to check and modify accordingly 21*4882a593Smuzhiyun */ 22*4882a593Smuzhiyun #define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ 23*4882a593Smuzhiyun #endif 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun typedef unsigned long cycles_t; 26*4882a593Smuzhiyun get_cycles(void)27*4882a593Smuzhiyunstatic inline cycles_t get_cycles(void) 28*4882a593Smuzhiyun { 29*4882a593Smuzhiyun return 0; 30*4882a593Smuzhiyun } 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun extern unsigned long (*mach_random_get_entropy)(void); 33*4882a593Smuzhiyun random_get_entropy(void)34*4882a593Smuzhiyunstatic inline unsigned long random_get_entropy(void) 35*4882a593Smuzhiyun { 36*4882a593Smuzhiyun if (mach_random_get_entropy) 37*4882a593Smuzhiyun return mach_random_get_entropy(); 38*4882a593Smuzhiyun return random_get_entropy_fallback(); 39*4882a593Smuzhiyun } 40*4882a593Smuzhiyun #define random_get_entropy random_get_entropy 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #endif 43