[PATCH] i.MX6 PCIe: Fix imx6_pcie_deassert_core_reset() polarity

Arnd Bergmann arnd at arndb.de
Wed Mar 30 03:10:29 PDT 2016


On Wednesday 30 March 2016 10:00:33 Roberto Fichera wrote:
> >
> > Check your XIO2001 routing and insure the following for proper IRQ mapping:
> > Slot12: IDSEL A28: socket INTA = XIO2001 INTA
> > Slot13: IDSEL A29: socket INTA = XIO2001 INTB
> > Slot14: IDSEL A30: socket INTA = XIO2001 INTC
> > Slot15: IDSEL A31: socket INTA = XIO2001 INTD
> 
> After crosschecking with our hardware designer the PCB IRQ mapping is the following:
> 
> J2 : IDSEL  A16: => Device 0 : socket INTA = XIO2001 INTA
> J3 : IDSEL  A18: => Device 2 : socket INTA = XIO2001 INTA* **(This should be INTC)*         
> J11: IDSEL A20: => Device 4 : socket INTA = XIO2001 INTA
> 
> The interrupt routing for J3 is wrong. The XIO2001 driver may expect Device 2 to interrupt on INTC - but it will
> interrupt on INTA.

What does your interrupt-map property look like then? Note that you
have to override both map and map-mask in this case.

	Arnd



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