diff --git a/include/asm-frv/irq.h b/include/asm-frv/irq.h
new file mode 100644
index 0000000..2c16d8d
--- /dev/null
+++ b/include/asm-frv/irq.h
@@ -0,0 +1,44 @@
+/* irq.h: FRV IRQ definitions
+ *
+ * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_IRQ_H_
+#define _ASM_IRQ_H_
+
+#include <linux/config.h>
+
+/*
+ * the system has an on-CPU PIC and another PIC on the FPGA and other PICs on other peripherals,
+ * so we do some routing in irq-routing.[ch] to reduce the number of false-positives seen by
+ * drivers
+ */
+
+/* this number is used when no interrupt has been assigned */
+#define NO_IRQ				(-1)
+
+#define NR_IRQ_LOG2_ACTIONS_PER_GROUP	5
+#define NR_IRQ_ACTIONS_PER_GROUP	(1 << NR_IRQ_LOG2_ACTIONS_PER_GROUP)
+#define NR_IRQ_GROUPS			4
+#define NR_IRQS				(NR_IRQ_ACTIONS_PER_GROUP * NR_IRQ_GROUPS)
+
+/* probe returns a 32-bit IRQ mask:-/ */
+#define MIN_PROBE_IRQ	(NR_IRQS - 32)
+
+static inline int irq_canonicalize(int irq)
+{
+	return irq;
+}
+
+extern void disable_irq_nosync(unsigned int irq);
+extern void disable_irq(unsigned int irq);
+extern void enable_irq(unsigned int irq);
+
+
+#endif /* _ASM_IRQ_H_ */