diff --git a/sys/arch/sparc64/include/openpromio.h b/sys/arch/sparc64/include/openpromio.h
index 4382fb3206f1..99b221a5ee76 100644
--- a/sys/arch/sparc64/include/openpromio.h
+++ b/sys/arch/sparc64/include/openpromio.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: openpromio.h,v 1.1.1.1 1998/06/20 04:58:52 eeh Exp $ */
+/*	$NetBSD: openpromio.h,v 1.2 2002/01/10 20:38:11 briggs Exp $ */
 
 /*
  * Copyright (c) 1992, 1993
@@ -58,3 +58,4 @@ struct opiocdesc {
 #define	OPIOCGETOPTNODE	_IOR('O', 4, int)	/* get openprom field */
 #define	OPIOCGETNEXT	_IOWR('O', 5, int)	/* get next node of node */
 #define	OPIOCGETCHILD	_IOWR('O', 6, int)	/* get first child of node */
+#define	OPIOCFINDDEVICE	_IOWR('O', 7, struct opiocdesc) /* find a specific device */
diff --git a/sys/arch/sparc64/sparc64/openprom.c b/sys/arch/sparc64/sparc64/openprom.c
index 4c8b35a65603..bb5562c8e57f 100644
--- a/sys/arch/sparc64/sparc64/openprom.c
+++ b/sys/arch/sparc64/sparc64/openprom.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: openprom.c,v 1.5 2002/01/10 16:04:43 briggs Exp $ */
+/*	$NetBSD: openprom.c,v 1.6 2002/01/10 20:38:11 briggs Exp $ */
 
 /*
  * Copyright (c) 1992, 1993
@@ -259,6 +259,20 @@ openpromioctl(dev, cmd, data, flags, p)
 		*(int *)data = lastnode = node;
 		break;
 
+	case OPIOCFINDDEVICE:
+		if ((flags & FREAD) == 0)
+			return (EBADF);
+		error = openpromgetstr(op->op_namelen, op->op_name, &name);
+		if (error)
+			break;
+		node = OF_finddevice(name);
+		if (node == 0 || node == -1) {
+			error = ENOENT;
+			break;
+		}
+		op->op_nodeid = lastnode = node;
+		break;
+
 	default:
 		return (ENOTTY);
 	}