> -----Original Message-----
> From: Ard Biesheuvel [mailto:ard.biesheu...@linaro.org]
> Sent: 05 June 2017 16:40
> To: Scott Telford <stelf...@cadence.com>
> Cc: edk2-devel@lists.01.org <edk2-de...@ml01.01.org>; Leif Lindholm
> <leif.lindh...@linaro.org>; Graeme Gregory <graeme.greg...@linaro.org>;
> af...@apple.com; Kinney, Michael D <michael.d.kin...@intel.com>
> Subject: Re: [staging/cadence-aarch64 PATCH v2 5/6] CadencePkg: Add ACPI
> tables for Cadence CSP platform.
>
>
> > + Device (LNKA)
> > + {
> > + Name (_HID, Eisaid ("PNP0C0F"))
> > + Name (_UID, 1)
> > + Name(_PRS, ResourceTemplate(){
> > + Interrupt(ResourceProducer, Level, ActiveHigh, Exclusive, , ,) {
> > 46 }
> > + })
> > + Method(_DIS) {}
> > + Method(_CRS) { Return (_PRS) }
> > + Method(_SRS, 1) {}
> > + }
> > + Device (LNKB)
> > + {
> > + Name (_HID, Eisaid ("PNP0C0F"))
> > + Name (_UID, 1)
> > + Name(_PRS, ResourceTemplate(){
> > + Interrupt(ResourceProducer, Level, ActiveHigh, Exclusive, , ,) {
> > 46 }
> > + })
> > + Method(_DIS) {}
> > + Method(_CRS) { Return (_PRS) }
> > + Method(_SRS, 1) {}
> > + }
> > + Device (LNKC)
> > + {
> > + Name (_HID, Eisaid ("PNP0C0F"))
> > + Name (_UID, 1)
> > + Name(_PRS, ResourceTemplate(){
> > + Interrupt(ResourceProducer, Level, ActiveHigh, Exclusive, , ,) {
> > 46 }
> > + })
> > + Method(_DIS) {}
> > + Method(_CRS) { Return (_PRS) }
> > + Method(_SRS, 1) {}
> > + }
> > + Device (LNKD)
> > + {
> > + Name (_HID, Eisaid ("PNP0C0F"))
> > + Name (_UID, 1)
> > + Name(_PRS, ResourceTemplate(){
> > + Interrupt(ResourceProducer, Level, ActiveHigh, Exclusive, , ,) {
> > 46 }
> > + })
> > + Method(_DIS) {}
> > + Method(_CRS) { Return (_PRS) }
> > + Method(_SRS, 1) {}
> > + }
> > +
>
> This looks like a very complicated way (combined with the _PRT below)
> to route all legacy interrupts to GSIV 46. You can fold this into _PRT
> instead AFAIK
This is actually very similar to the example code in section 6.2.13.1 of the
ACPI 6.0 spec.
Regards,
Scott.
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