Index: sys/mips/broadcom/bcm_mipscore.c
===================================================================
--- sys/mips/broadcom/bcm_mipscore.c
+++ sys/mips/broadcom/bcm_mipscore.c
@@ -46,6 +46,8 @@
 #include <dev/bhnd/bhndvar.h>
 #include <dev/bhnd/bhnd_ids.h>
 
+#include <dev/bhnd/bcma/bcma_dmp.h>
+
 #include "bcm_mipscore.h"
 
 static const struct resource_spec mipscore_rspec[MIPSCORE_MAX_RSPEC] = {
@@ -56,6 +58,9 @@
 #define	MIPSCORE_DEV(_vendor, _core)	\
 	BHND_DEVICE(_vendor, _core, NULL, NULL, BHND_DF_SOC)
 
+#define	BHND_MIPS74K_IRQN	5
+#define	BHND_MIPS74K_IRQBASE	2
+
 struct bhnd_device mipscore_match[] = {
 	MIPSCORE_DEV(BCM, MIPS),
 	MIPSCORE_DEV(BCM, MIPS33),
@@ -81,9 +86,13 @@
 {
 	struct mipscore_softc 	*sc;
 	struct resource 	*res;
-	uint32_t		 intmask;
+	device_t		*children;
+	uint32_t		 tmp;
+	uint32_t 		 intmasks[BHND_MIPS74K_IRQN];
 	uint16_t		 devid;
 	int			 error;
+	int 			 offset, count;
+	int			 i, j;
 
 	sc = device_get_softc(dev);
 	devid = bhnd_get_device(dev);
@@ -102,10 +111,55 @@
 		return (ENXIO);
 
 	if (devid == BHND_COREID_MIPS74K) {
-		intmask = (1 << 31);
+		tmp = (1 << 31);
+		offset = offsetof(struct mipscore_regs, intmask[5]);
 		/* Use intmask5 register to route the timer interrupt */
-		bus_write_4(res, offsetof(struct mipscore_regs, intmask[5]),
-				intmask);
+		bus_write_4(res, offset, tmp);
+		/* Use intmask0-4 to identify mapping IRQ to cores */
+		offset = offsetof(struct mipscore_regs, intmask[0]);
+
+		/* scan IRQ masks of lines */
+		for (i = 0; i < BHND_MIPS74K_IRQN; i++) {
+			intmasks[i] = bus_read_4(res, offset);
+			offset += sizeof(uint32_t);
+		}
+
+		error = device_get_children(device_get_parent(dev), &children,
+		    &count);
+
+		if (error) {
+			BHND_ERROR_DEV(dev, "can't get list of BHND devices: %d",
+			    error);
+			return (error);
+		}
+
+		for (i = 0; i < count; i++) {
+			tmp = bhnd_read_config(children[i],
+			    BCMA_DMP_OOBSELOUTA30, sizeof(uint32_t));
+			if (tmp == 0)
+				continue;
+
+			/* filter bits by LINE mask */
+			tmp &= 0x1f;
+			/* calculate bitmask according to line number */
+			tmp = (1 << tmp);
+
+			/* try find line in IRQ bit masks */
+			for (j = 0; j < BHND_MIPS74K_IRQN; j++) {
+				if ((intmasks[j] & tmp) == 0)
+					continue;
+
+				BHND_INFO_DEV(dev, "%s: IRQ %d as rid 0",
+				    bhnd_get_device_name(children[i]),
+				    BHND_MIPS74K_IRQBASE + j);
+
+				bus_set_resource(children[i], SYS_RES_IRQ, 0,
+				    BHND_MIPS74K_IRQBASE + j, 1);
+
+				break;
+			}
+		}
+		free(children, M_TEMP);
 	}
 
 	return (0);