| #ifndef _ASM_CRIS_ARCH_TIMEX_H | |
| #define _ASM_CRIS_ARCH_TIMEX_H | |
| #include <asm/arch/hwregs/reg_map.h> | |
| #include <asm/arch/hwregs/reg_rdwr.h> | |
| #include <asm/arch/hwregs/timer_defs.h> | |
| /* | |
| * The clock runs at 100MHz, we divide it by 1000000. If you change anything | |
| * here you must check time.c as well. | |
| */ | |
| #define CLOCK_TICK_RATE 100000000 /* Underlying frequency of the HZ timer */ | |
| /* The timer0 values gives 10 ns resolution but interrupts at HZ. */ | |
| #define TIMER0_FREQ (CLOCK_TICK_RATE) | |
| #define TIMER0_DIV (TIMER0_FREQ/(HZ)) | |
| /* Convert the value in step of 10 ns to 1us without overflow: */ | |
| #define GET_JIFFIES_USEC() \ | |
| ( (TIMER0_DIV - REG_RD(timer, regi_timer, r_tmr0_data)) /100 ) | |
| extern unsigned long get_ns_in_jiffie(void); | |
| static inline unsigned long get_us_in_jiffie_highres(void) | |
| { | |
| return get_ns_in_jiffie() / 1000; | |
| } | |
| #endif | |