[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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