2 files changed, 7 insertions, 1 deletions
diff --git a/sys/powerpc/include/intr_machdep.h b/sys/powerpc/include/intr_machdep.h
index c2529d5..32a94be 100644
--- a/sys/powerpc/include/intr_machdep.h
+++ b/sys/powerpc/include/intr_machdep.h
@@ -30,7 +30,7 @@
 
 #define	INTR_VECTORS	256
 
-#define	MAX_PICS		5
+#define	MAX_PICS		16
 #define	MAP_IRQ(node, pin)	powerpc_get_irq(node, pin)
 
 /*
diff --git a/sys/powerpc/powerpc/intr_machdep.c b/sys/powerpc/powerpc/intr_machdep.c
index b481279..a17d9ff 100644
--- a/sys/powerpc/powerpc/intr_machdep.c
+++ b/sys/powerpc/powerpc/intr_machdep.c
@@ -352,6 +352,9 @@ powerpc_register_pic(device_t dev, uint32_t node, u_int irqs, u_int ipis,
 		npics++;
 	}
 
+	KASSERT(npics < MAX_PICS,
+	    ("Number of PICs exceeds maximum (%d)", MAX_PICS));
+
 	mtx_unlock(&intr_table_lock);
 }
 
@@ -385,6 +388,9 @@ powerpc_get_irq(uint32_t node, u_int pin)
 	nirqs += 128;
 	npics++;
 
+	KASSERT(npics < MAX_PICS,
+	    ("Number of PICs exceeds maximum (%d)", MAX_PICS));
+
 	mtx_unlock(&intr_table_lock);
 
 	return (piclist[idx].base + pin);