[U-Boot] [PATCH 7/7] x86: bayleybay: Configure PCI IRQ

[Bin Meng]

Add PCI IRQ routing information in the board device tree and enable
writing PIRQ routing table and MP table.

Signed-off-by: Bin Meng <bmeng.cn at gmail.com>

---

 arch/x86/cpu/baytrail/valleyview.c |  8 +++++
 arch/x86/dts/bayleybay.dts         | 63 ++++++++++++++++++++++++++++++++++++++
 configs/bayleybay_defconfig        |  2 ++
 include/configs/bayleybay.h        |  1 +
 4 files changed, 74 insertions(+)

diff --git a/arch/x86/cpu/baytrail/valleyview.c b/arch/x86/cpu/baytrail/valleyview.c
index 9915da5..d8d2b8d 100644
--- a/arch/x86/cpu/baytrail/valleyview.c
+++ b/arch/x86/cpu/baytrail/valleyview.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <mmc.h>
 #include <pci_ids.h>
+#include <asm/irq.h>
 #include <asm/post.h>
 
 static struct pci_device_id mmc_supported[] = {
@@ -35,3 +36,10 @@ int arch_cpu_init(void)
 
 	return 0;
 }
+
+int arch_misc_init(void)
+{
+	pirq_init();
+
+	return 0;
+}
diff --git a/arch/x86/dts/bayleybay.dts b/arch/x86/dts/bayleybay.dts
index cbbdee2..9f8fa70 100644
--- a/arch/x86/dts/bayleybay.dts
+++ b/arch/x86/dts/bayleybay.dts
@@ -7,6 +7,7 @@
 /dts-v1/;
 
 #include <dt-bindings/gpio/x86-gpio.h>
+#include <dt-bindings/interrupt-router/intel-irq.h>
 
 /include/ "skeleton.dtsi"
 /include/ "serial.dtsi"
@@ -123,6 +124,68 @@
 		ranges = <0x02000000 0x0 0x80000000 0x80000000 0 0x40000000
 			  0x42000000 0x0 0xc0000000 0xc0000000 0 0x20000000
 			  0x01000000 0x0 0x2000 0x2000 0 0xe000>;
+
+		irq-router at 1f,0 {
+			reg = <0x0000f800 0 0 0 0>;
+			compatible = "intel,irq-router";
+			intel,pirq-config = "ibase";
+			intel,ibase-offset = <0x50>;
+			intel,pirq-link = <8 8>;
+			intel,pirq-mask = <0xdee0>;
+			intel,pirq-routing = <
+				/* BayTrail PCI devices */
+				PCI_BDF(0, 2, 0) INTA PIRQA
+				PCI_BDF(0, 3, 0) INTA PIRQA
+				PCI_BDF(0, 16, 0) INTA PIRQA
+				PCI_BDF(0, 17, 0) INTA PIRQA
+				PCI_BDF(0, 18, 0) INTA PIRQA
+				PCI_BDF(0, 19, 0) INTA PIRQA
+				PCI_BDF(0, 20, 0) INTA PIRQA
+				PCI_BDF(0, 21, 0) INTA PIRQA
+				PCI_BDF(0, 22, 0) INTA PIRQA
+				PCI_BDF(0, 23, 0) INTA PIRQA
+				PCI_BDF(0, 24, 0) INTA PIRQA
+				PCI_BDF(0, 24, 1) INTC PIRQC
+				PCI_BDF(0, 24, 2) INTD PIRQD
+				PCI_BDF(0, 24, 3) INTB PIRQB
+				PCI_BDF(0, 24, 4) INTA PIRQA
+				PCI_BDF(0, 24, 5) INTC PIRQC
+				PCI_BDF(0, 24, 6) INTD PIRQD
+				PCI_BDF(0, 24, 7) INTB PIRQB
+				PCI_BDF(0, 26, 0) INTA PIRQA
+				PCI_BDF(0, 27, 0) INTA 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, 29, 0) INTA PIRQA
+				PCI_BDF(0, 30, 0) INTA PIRQA
+				PCI_BDF(0, 30, 1) INTD PIRQD
+				PCI_BDF(0, 30, 2) INTB PIRQB
+				PCI_BDF(0, 30, 3) INTC PIRQC
+				PCI_BDF(0, 30, 4) INTD PIRQD
+				PCI_BDF(0, 30, 5) INTB PIRQB
+				PCI_BDF(0, 31, 3) INTB PIRQB
+
+				/* PCIe root ports downstream interrupts */
+				PCI_BDF(1, 0, 0) INTA PIRQA
+				PCI_BDF(1, 0, 0) INTB PIRQB
+				PCI_BDF(1, 0, 0) INTC PIRQC
+				PCI_BDF(1, 0, 0) INTD PIRQD
+				PCI_BDF(2, 0, 0) INTA PIRQB
+				PCI_BDF(2, 0, 0) INTB PIRQC
+				PCI_BDF(2, 0, 0) INTC PIRQD
+				PCI_BDF(2, 0, 0) INTD PIRQA
+				PCI_BDF(3, 0, 0) INTA PIRQC
+				PCI_BDF(3, 0, 0) INTB PIRQD
+				PCI_BDF(3, 0, 0) INTC PIRQA
+				PCI_BDF(3, 0, 0) INTD PIRQB
+				PCI_BDF(4, 0, 0) INTA PIRQD
+				PCI_BDF(4, 0, 0) INTB PIRQA
+				PCI_BDF(4, 0, 0) INTC PIRQB
+				PCI_BDF(4, 0, 0) INTD PIRQC
+			>;
+		};
 	};
 
 	microcode {
diff --git a/configs/bayleybay_defconfig b/configs/bayleybay_defconfig
index e10e86a..7f92ead 100644
--- a/configs/bayleybay_defconfig
+++ b/configs/bayleybay_defconfig
@@ -5,6 +5,8 @@ CONFIG_TARGET_BAYLEYBAY=y
 CONFIG_HAVE_INTEL_ME=y
 CONFIG_SMP=y
 CONFIG_HAVE_VGA_BIOS=y
+CONFIG_GENERATE_PIRQ_TABLE=y
+CONFIG_GENERATE_MP_TABLE=y
 CONFIG_CMD_CPU=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
diff --git a/include/configs/bayleybay.h b/include/configs/bayleybay.h
index cc95aec..740166a 100644
--- a/include/configs/bayleybay.h
+++ b/include/configs/bayleybay.h
@@ -14,6 +14,7 @@
 #include <configs/x86-common.h>
 
 #define CONFIG_SYS_MONITOR_LEN		(1 << 20)
+#define CONFIG_ARCH_MISC_INIT
 
 #define CONFIG_X86_SERIAL
 
-- 
1.8.2.1