[U-Boot] [PATCH v2 3/3] x86: cougarcanyon2: Add missing chipset interrupt information
Bin Meng
bmeng.cn at gmail.com
Tue Jun 12 08:26:47 UTC 2018
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 at gmail.com>
---
Changes in v2:
- add the PIRQ register mapping via "intel,pirq-regmap" property
arch/x86/dts/cougarcanyon2.dts | 46 +++++++++++++++++++++++++++++++++++++++++
configs/cougarcanyon2_defconfig | 2 ++
2 files changed, 48 insertions(+)
diff --git a/arch/x86/dts/cougarcanyon2.dts b/arch/x86/dts/cougarcanyon2.dts
index 946ba06..c1cda73 100644
--- a/arch/x86/dts/cougarcanyon2.dts
+++ b/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>;
diff --git a/configs/cougarcanyon2_defconfig b/configs/cougarcanyon2_defconfig
index 98d9aa0..eeee252 100644
--- a/configs/cougarcanyon2_defconfig
+++ b/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
--
2.7.4
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