On 12-03-16 10:54, Sören Brinkmann wrote:
On Fri, 2016-03-11 at 14:04:43 -0800, Moritz Fischer wrote:
Hi Mike,
On Fri, Mar 11, 2016 at 12:49 AM, Mike Looijmans
<[email protected]> wrote:
Hmm, just manually hacking the register values has no effect at all on the
system. So apparently some other clock is being used as the source.
How can I see (and choose?) which clock is to be used?
It is printed during boot. Some line with 'clocksource' in it, IIRC. I
suspect something in /sys could tell it too.
A bit of digging for "clocksource" in the kernel source code reveals that the
clocksource can be switched using:
echo ttc_clocksource >
/sys/devices/system/clocksource/clocksource0/current_clocksource
I just wonder now how other platforms handle this, or is the CPU frequency
influencing the HR timer something that's unique to the Zynq?
Kind regards,
Mike Looijmans
System Expert
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