[ECOS] Performance counter interrupt on XScale
Mark Salter
msalter@redhat.com
Thu Sep 6 12:45:00 GMT 2001
>>>>> Jonathan Larmour writes:
> Cristiano Ligieri Pereira wrote:
>>
>> My problem with the interrupts is fixed now, but I think there is a bug in
>> the IQ80310 port. When using the CCNT as the source of RTC ticks the PMU
>> interrupts have to be steered to FIQ, otherwise it doens't work properly.
> Do you know what the specific reason is? Do you have a patch?
And are you sure its FIQ? The Rev F boards have a switch which allows
you to swap FIQ and IRQ inputs. That can lead to a bit of confusion.
--Mark
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