diff --git a/src/mainboard/intel/camelbackmountain_fsp/irqroute.h b/src/mainboard/intel/camelbackmountain_fsp/irqroute.h
new file mode 100644
index 0000000..c3911be
--- /dev/null
+++ b/src/mainboard/intel/camelbackmountain_fsp/irqroute.h
@@ -0,0 +1,48 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Google Inc.
+ * Copyright (C) 2015-2016 Intel Corp.
+ *
+ * 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that 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.
+ */
+
+#ifndef IRQROUTE_H
+#define IRQROUTE_H
+
+#include <soc/irq.h>
+#include <soc/pci_devs.h>
+
+#define PCI_DEV_PIRQ_ROUTES \
+	PCI_DEV_PIRQ_ROUTE(XHCI_DEV,  A, B, C, D), \
+	PCI_DEV_PIRQ_ROUTE(ME_DEV,    A, B, C, D), \
+	PCI_DEV_PIRQ_ROUTE(GBE_DEV,   A, B, C, D), \
+	PCI_DEV_PIRQ_ROUTE(EHCI2_DEV, A, B, C, D), \
+	PCI_DEV_PIRQ_ROUTE(HDA_DEV,   A, B, C, D), \
+	PCI_DEV_PIRQ_ROUTE(PCIE_DEV,  A, B, C, D), \
+	PCI_DEV_PIRQ_ROUTE(EHCI1_DEV, A, B, C, D), \
+	PCI_DEV_PIRQ_ROUTE(SATA_DEV,  A, B, C, D)
+
+/*
+ * Route each PIRQ[A-H] to a PIC IRQ[0-15]
+ * Reserved: 0, 1, 2, 8, 13
+ * ACPI/SCI: 9
+ */
+#define PIRQ_PIC_ROUTES \
+	PIRQ_PIC(A,  5), \
+	PIRQ_PIC(B,  6), \
+	PIRQ_PIC(C,  7), \
+	PIRQ_PIC(D, 10), \
+	PIRQ_PIC(E, 11), \
+	PIRQ_PIC(F, 12), \
+	PIRQ_PIC(G, 14), \
+	PIRQ_PIC(H, 15)
+
+#endif /* IRQROUTE_H */