Index: kernel/genarch/include/ofw/ofw_tree.h
===================================================================
--- kernel/genarch/include/ofw/ofw_tree.h	(revision 36db5ac1d5864f5e63a519565d7d97f7fc18c184)
+++ kernel/genarch/include/ofw/ofw_tree.h	(revision 0b414b5bfb083f200dcb33bd41d7b8a75f79142e)
@@ -50,4 +50,10 @@
 	unsigned properties;			/**< Number of properties. */
 	ofw_tree_property_t *property;
+	
+	/**
+	 * Pointer to a structure representing respective device.
+	 * Its semantics is device dependent.
+	 */
+	void *device;
 };
 
@@ -105,6 +111,22 @@
 typedef struct ofw_ebus_range ofw_ebus_range_t;
 
+struct ofw_ebus_intr_map {
+	uint32_t space;
+	uint32_t addr;
+	uint32_t intr;
+	uint32_t controller_handle;
+	uint32_t controller_ino;
+} __attribute__ ((packed));
+typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t;
+
+struct ofw_ebus_intr_mask {
+	uint32_t space_mask;
+	uint32_t addr_mask;
+	uint32_t intr_mask;
+} __attribute__ ((packed));
+typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t;
+
 struct ofw_pci_reg {
-	uint32_t space;			/* needs to masked to obtain pure space id */
+	uint32_t space;			/* needs to be masked to obtain pure space id */
 	uint64_t addr;			/* group phys.mid and phys.lo together */
 	uint64_t size;
@@ -144,3 +166,6 @@
 extern bool ofw_pci_reg_absolutize(ofw_tree_node_t *node, ofw_pci_reg_t *reg, ofw_pci_reg_t *out);
 
+extern bool ofw_fhc_map_interrupts(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, uint32_t interrupt, int *ino);
+extern bool ofw_ebus_map_interrupts(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uint32_t interrupt, int *ino);
+
 #endif