x86: cougarcanyon2: Add missing chipset interrupt information

Add Panther Point chipset interrupt pin/PIRQ information, and
enable the generation of PIRQ routing table and MP table.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/x86/dts/cougarcanyon2.dts

@@ -5,6 +5,8 @@
 
 /dts-v1/;
 
+#include <dt-bindings/interrupt-router/intel-irq.h>
+
 /include/ "skeleton.dtsi"
 /include/ "serial.dtsi"
 /include/ "keyboard.dtsi"
@@ -99,6 +101,50 @@
 			#address-cells = <1>;
 			#size-cells = <1>;
 
+			irq-router {
+				compatible = "intel,irq-router";
+				intel,pirq-config = "pci";
+				intel,actl-8bit;
+				intel,actl-addr = <0x44>;
+				intel,pirq-link = <0x60 8>;
+				intel,pirq-regmap = <
+					PIRQA 0
+					PIRQB 1
+					PIRQC 2
+					PIRQD 3
+					PIRQE 8
+					PIRQF 9
+					PIRQG 10
+					PIRQH 11
+				>;
+				intel,pirq-mask = <0xcee0>;
+				intel,pirq-routing = <
+					/* Panther Point PCI devices */
+					PCI_BDF(0, 2, 0) INTA PIRQA
+					PCI_BDF(0, 20, 0) INTA PIRQA
+					PCI_BDF(0, 22, 0) INTA PIRQA
+					PCI_BDF(0, 22, 1) INTB PIRQB
+					PCI_BDF(0, 22, 2) INTC PIRQC
+					PCI_BDF(0, 22, 3) INTD PIRQD
+					PCI_BDF(0, 25, 0) INTA PIRQA
+					PCI_BDF(0, 26, 0) INTA PIRQA
+					PCI_BDF(0, 27, 0) INTB PIRQA
+					PCI_BDF(0, 28, 0) INTA PIRQA
+					PCI_BDF(0, 28, 1) INTB PIRQB
+					PCI_BDF(0, 28, 2) INTC PIRQC
+					PCI_BDF(0, 28, 3) INTD PIRQD
+					PCI_BDF(0, 28, 4) INTA PIRQA
+					PCI_BDF(0, 28, 5) INTB PIRQB
+					PCI_BDF(0, 28, 6) INTC PIRQC
+					PCI_BDF(0, 28, 7) INTD PIRQD
+					PCI_BDF(0, 29, 0) INTA PIRQA
+					PCI_BDF(0, 31, 2) INTB PIRQB
+					PCI_BDF(0, 31, 3) INTC PIRQC
+					PCI_BDF(0, 31, 5) INTB PIRQB
+					PCI_BDF(0, 31, 6) INTC PIRQC
+				>;
+			};
+
 			spi0: spi {
 				#address-cells = <1>;
 				#size-cells = <0>;

configs/cougarcanyon2_defconfig

@@ -6,6 +6,8 @@ CONFIG_TARGET_COUGARCANYON2=y
 # CONFIG_HAVE_INTEL_ME is not set
 # CONFIG_ENABLE_MRC_CACHE is not set
 CONFIG_SMP=y
+CONFIG_GENERATE_PIRQ_TABLE=y
+CONFIG_GENERATE_MP_TABLE=y
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="root=/dev/sdb3 init=/sbin/init rootwait ro"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y