On 03/19/2015 11:08 AM, Mark Rutland wrote:
>> +
>> +int timer_init(void)
>> +{
>> + u32 __iomem *cntcr = (u32 *)CONFIG_SYS_FSL_TIMER_ADDR;
>> + u32 __iomem *cltbenr = (u32 *)CONFIG_SYS_FSL_PMU_CLTBENR;
>> +#ifdef COUNTER_FREQUENCY_REAL
>> + unsigned long cntfrq = COUNTER_FREQUENCY_REAL;
>> +
>> + /* Update with accurate clock frequency */
>> + asm volatile("msr cntfrq_el0, %0" : : "r" (cntfrq) : "memory");
>> +#endif
>
> Is this executed on all CPUs, or do secondary CPUs have CNTFRQ
> programmed with the correct value elsewhere?
>
Only the primary CPU runs here. The secondary CPU doesn't come here.
York
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