[MinnowBoard] Find GPIO Interrupt Line

czq czq at bu.edu
Wed Oct 7 15:58:54 UTC 2015


Hi there,

I'm reading *Intel® AtomTM Processor E3800 Product Family Datasheet*,
trying to find out the interrupt line of GPIO.
Unlike most other PCI devices, which ususally have an interrupt register at
3c-3fh in its PCI configuration space, GPIO/LPC has a weird (at least to
me) configuration space (page 4525)... I don't know how to find its
interrupt line.

In the GPIO chapter, I can see it has memory mapped registers called Direct
Interrupt Multiplexer. But I can't really understand the description. It
also says that more details are available in *VLV2_GPIO_configuration_primer
presentation.*

So does anyone know where I can find the *VLV2_GPIO_configuration_primer*
presentation (I searched a lot but no luck...).
Or any thoughts and hints about how to find the interrupt line?

Thanks a lot!
Tom.




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