Re: [U-Boot] [PATCH 04/28] armv8/ls2085a: Fix generic timer clock source

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