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diff --git a/qemu/include/hw/arm/fdt.h b/qemu/include/hw/arm/fdt.h
new file mode 100644
index 000000000..c3d501501
--- /dev/null
+++ b/qemu/include/hw/arm/fdt.h
@@ -0,0 +1,34 @@
+/*
+ *
+ * Copyright (c) 2015 Linaro Limited
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Define macros useful when building ARM device tree nodes
+ */
+
+#ifndef QEMU_ARM_FDT_H
+#define QEMU_ARM_FDT_H
+
+#define GIC_FDT_IRQ_TYPE_SPI 0
+#define GIC_FDT_IRQ_TYPE_PPI 1
+
+#define GIC_FDT_IRQ_FLAGS_EDGE_LO_HI 1
+#define GIC_FDT_IRQ_FLAGS_EDGE_HI_LO 2
+#define GIC_FDT_IRQ_FLAGS_LEVEL_HI 4
+#define GIC_FDT_IRQ_FLAGS_LEVEL_LO 8
+
+#define GIC_FDT_IRQ_PPI_CPU_START 8
+#define GIC_FDT_IRQ_PPI_CPU_WIDTH 8
+
+#endif