/*
* Determine the cpu frequency by watching the TOD chip rollover twice.
* Cpu clock rate is determined by computing the ticks added (in tick register)
* during one second interval on TOD.
*/
uint64_t
todm5819_get_cpufrequency(void)
{
ASSERT(MUTEX_HELD(&tod_lock));
M5819_ADDR_REG = RTC_SEC;
return (find_cpufrequency(v_rtc_data_reg));
}
/*
* Determine the cpu frequency by watching the TOD chip rollover twice.
* Cpu clock rate is determined by computing the ticks added (in tick register)
* during one second interval on TOD.
*/
uint64_t
todds_get_cpufrequency(void)
{
uint64_t cpu_freq;
ASSERT(MUTEX_HELD(&tod_lock));
mutex_enter(&ds1287_reg_mutex);
select_bank(1);
DS1287_ADDR_REG = RTC_SEC;
cpu_freq = find_cpufrequency(v_rtc_data_reg);
mutex_exit(&ds1287_reg_mutex);
return (cpu_freq);
}
/*
* Determine the cpu frequency by watching the TOD chip rollover twice.
* Cpu clock rate is determined by computing the ticks added (in tick register)
* during one second interval on TOD.
*/
uint64_t
todbq4802_get_cpufrequency(void)
{
ASSERT(MUTEX_HELD(&tod_lock));
return (find_cpufrequency((volatile uint8_t *)v_rtc_addr_reg));
}
