[PATCH] arm: introduce a DTS for Xen unprivileged virtual machines

[Stefano Stabellini]

Signed-off-by: Stefano Stabellini <stefano.stabellini at eu.citrix.com>
CC: Pawel Moll <pawel.moll at arm.com>
CC: linux-arm-kernel at lists.infradead.org
---
 arch/arm/boot/dts/vexpress-xenvm-4.2.dts |  115 ++++++++++++++++++++++++++++++
 arch/arm/mach-vexpress/Makefile.boot     |    3 +-
 2 files changed, 117 insertions(+), 1 deletions(-)
 create mode 100644 arch/arm/boot/dts/vexpress-xenvm-4.2.dts

diff --git a/arch/arm/boot/dts/vexpress-xenvm-4.2.dts b/arch/arm/boot/dts/vexpress-xenvm-4.2.dts
new file mode 100644
index 0000000..bfb802c
--- /dev/null
+++ b/arch/arm/boot/dts/vexpress-xenvm-4.2.dts
@@ -0,0 +1,115 @@
+/*
+ * Xen Virtual Machine for unprivileged guests
+ *
+ * Based on ARM Ltd. Versatile Express CoreTile Express (single CPU)
+ * Cortex-A15 MPCore (V2P-CA15)
+ *
+ */
+
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+
+/ {
+	model = "XENVM-4.2";
+	compatible = "xen,xenvm-4.2", "arm,vexpress";
+	interrupt-parent = <&gic>;
+
+	chosen {
+		bootargs = "earlyprintk console=hvc0 root=/dev/xvda init=/sbin/init";
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu at 0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a15";
+			reg = <0>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x08000000>;
+	};
+
+	gic: interrupt-controller at 2c001000 {
+		compatible = "arm,cortex-a9-gic";
+		#interrupt-cells = <3>;
+		#address-cells = <0>;
+		interrupt-controller;
+		reg = <0x2c001000 0x1000>,
+		      <0x2c002000 0x100>;
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		interrupts = <1 13 0xf08>,
+			     <1 14 0xf08>,
+			     <1 11 0xf08>,
+			     <1 10 0xf08>;
+	};
+
+	hypervisor {
+		compatible = "xen,xen-4.2", "xen,xen";
+		reg = <0xb0000000 0x20000>;
+		interrupts = <1 15 0xf08>;
+	};
+
+	motherboard {
+		arm,v2m-memory-map = "rs1";
+		ranges = <0 0 0x08000000 0x04000000>,
+			 <1 0 0x14000000 0x04000000>,
+			 <2 0 0x18000000 0x04000000>,
+			 <3 0 0x1c000000 0x04000000>,
+			 <4 0 0x0c000000 0x04000000>,
+			 <5 0 0x10000000 0x04000000>;
+
+		interrupt-map-mask = <0 0 63>;
+		interrupt-map = <0 0  0 &gic 0  0 4>,
+				<0 0  1 &gic 0  1 4>,
+				<0 0  2 &gic 0  2 4>,
+				<0 0  3 &gic 0  3 4>,
+				<0 0  4 &gic 0  4 4>,
+				<0 0  5 &gic 0  5 4>,
+				<0 0  6 &gic 0  6 4>,
+				<0 0  7 &gic 0  7 4>,
+				<0 0  8 &gic 0  8 4>,
+				<0 0  9 &gic 0  9 4>,
+				<0 0 10 &gic 0 10 4>,
+				<0 0 11 &gic 0 11 4>,
+				<0 0 12 &gic 0 12 4>,
+				<0 0 13 &gic 0 13 4>,
+				<0 0 14 &gic 0 14 4>,
+				<0 0 15 &gic 0 15 4>,
+				<0 0 16 &gic 0 16 4>,
+				<0 0 17 &gic 0 17 4>,
+				<0 0 18 &gic 0 18 4>,
+				<0 0 19 &gic 0 19 4>,
+				<0 0 20 &gic 0 20 4>,
+				<0 0 21 &gic 0 21 4>,
+				<0 0 22 &gic 0 22 4>,
+				<0 0 23 &gic 0 23 4>,
+				<0 0 24 &gic 0 24 4>,
+				<0 0 25 &gic 0 25 4>,
+				<0 0 26 &gic 0 26 4>,
+				<0 0 27 &gic 0 27 4>,
+				<0 0 28 &gic 0 28 4>,
+				<0 0 29 &gic 0 29 4>,
+				<0 0 30 &gic 0 30 4>,
+				<0 0 31 &gic 0 31 4>,
+				<0 0 32 &gic 0 32 4>,
+				<0 0 33 &gic 0 33 4>,
+				<0 0 34 &gic 0 34 4>,
+				<0 0 35 &gic 0 35 4>,
+				<0 0 36 &gic 0 36 4>,
+				<0 0 37 &gic 0 37 4>,
+				<0 0 38 &gic 0 38 4>,
+				<0 0 39 &gic 0 39 4>,
+				<0 0 40 &gic 0 40 4>,
+				<0 0 41 &gic 0 41 4>,
+				<0 0 42 &gic 0 42 4>;
+	};
+};
diff --git a/arch/arm/mach-vexpress/Makefile.boot b/arch/arm/mach-vexpress/Makefile.boot
index 318d308..5c633c5 100644
--- a/arch/arm/mach-vexpress/Makefile.boot
+++ b/arch/arm/mach-vexpress/Makefile.boot
@@ -7,4 +7,5 @@ initrd_phys-y	:= 0x60800000
 dtb-$(CONFIG_ARCH_VEXPRESS_DT)	+= vexpress-v2p-ca5s.dtb \
 				   vexpress-v2p-ca9.dtb \
 				   vexpress-v2p-ca15-tc1.dtb \
-				   vexpress-v2p-ca15_a7.dtb
+				   vexpress-v2p-ca15_a7.dtb \
+				   vexpress-xenvm-4.2.dtb
-- 
1.7.2.5