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authorBin Meng <bmeng.cn@gmail.com>2015-06-03 09:20:06 +0800
committerSimon Glass <sjg@chromium.org>2015-06-04 03:03:18 -0600
commit5c564226fc8948e435edea8eb8c5c4afbc5edef1 (patch)
tree416ea4a8cc9e61959ff940784ee986ee1097e4b5 /arch/x86/dts/qemu-x86_i440fx.dts
parentf2653e8dd92229328480da35c26e6f9fbfec4381 (diff)
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x86: qemu: Implement PIRQ routing
Support QEMU PIRQ routing via device tree on both i440fx and q35 platforms. With this commit, Linux booting on QEMU from U-Boot has working ATA/SATA, USB and ethernet. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/dts/qemu-x86_i440fx.dts')
-rw-r--r--arch/x86/dts/qemu-x86_i440fx.dts16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/dts/qemu-x86_i440fx.dts b/arch/x86/dts/qemu-x86_i440fx.dts
index 4cf843b813..557428a459 100644
--- a/arch/x86/dts/qemu-x86_i440fx.dts
+++ b/arch/x86/dts/qemu-x86_i440fx.dts
@@ -6,6 +6,8 @@
/dts-v1/;
+#include <dt-bindings/interrupt-router/intel-irq.h>
+
/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
@@ -29,6 +31,20 @@
ranges = <0x02000000 0x0 0xc0000000 0xc0000000 0 0x10000000
0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000
0x01000000 0x0 0x2000 0x2000 0 0xe000>;
+
+ irq-router@1,0 {
+ reg = <0x00000800 0 0 0 0>;
+ compatible = "intel,irq-router";
+ intel,pirq-config = "pci";
+ intel,pirq-link = <0x60 4>;
+ intel,pirq-mask = <0x0e40>;
+ intel,pirq-routing = <
+ /* PIIX UHCI */
+ PCI_BDF(0, 1, 2) INTD PIRQD
+ /* e1000 NIC */
+ PCI_BDF(0, 3, 0) INTA PIRQC
+ >;
+ };
};
};