Aamir Bohra has uploaded this change for review.
soc/intel/{cnl,icl}: Add provision to use PIRX PCI IRQ acpi package
PIRX ACPI package is dynamically genarated PCI IRQ routing information
based on SOC_INTEL_COMMON_ITSS_INTERRUPT_OVERRIDE config selection.
This implementation returns PIRX package under _PRT method for IOAPIC
mode of interrupt.
Change-Id: Ib23e57d3ce58406f8faff18e912b78a911e50d3d
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
---
M src/soc/intel/cannonlake/acpi/pci_irqs.asl
M src/soc/intel/icelake/acpi/pci_irqs.asl
2 files changed, 18 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/10/34710/1
diff --git a/src/soc/intel/cannonlake/acpi/pci_irqs.asl b/src/soc/intel/cannonlake/acpi/pci_irqs.asl
index accfdb9..f18fa19 100644
--- a/src/soc/intel/cannonlake/acpi/pci_irqs.asl
+++ b/src/soc/intel/cannonlake/acpi/pci_irqs.asl
@@ -17,6 +17,12 @@
#include <soc/irq.h>
+/* PCI IRQ routing package that gets generated dynamically
+ * if config SOC_INTEL_COMMON_ITSS_INTERRUPT_OVERRIDE is
+ * selected.
+ */
+External(PIRX)
+
Name (PICP, Package () {
/* PCI Bridge */
/* cAVS, SMBus, GbE, Nothpeak */
@@ -138,6 +144,9 @@
Method (_PRT)
{
If (PICM) {
+ if (CondRefOf(PIRX)) {
+ Return(PIRX)
+ }
Return (^PICP)
} Else {
Return (^PICN)
diff --git a/src/soc/intel/icelake/acpi/pci_irqs.asl b/src/soc/intel/icelake/acpi/pci_irqs.asl
index 79c9927..1f07d1d 100644
--- a/src/soc/intel/icelake/acpi/pci_irqs.asl
+++ b/src/soc/intel/icelake/acpi/pci_irqs.asl
@@ -17,6 +17,12 @@
#include <soc/irq.h>
+/* PCI IRQ routing package that gets generated dynamically
+ * if config SOC_INTEL_COMMON_ITSS_INTERRUPT_OVERRIDE is
+ * selected.
+ */
+External(PIRX)
+
Name (PICP, Package () {
/* PCI Bridge */
/* cAVS, SMBus, GbE, Nothpeak */
@@ -132,6 +138,9 @@
Method (_PRT)
{
If (PICM) {
+ if(CondRefOf(PIRX)) {
+ Return(PIRX)
+ }
Return (^PICP)
} Else {
Return (^PICN)
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