diff --git a/include/asm-m32r/topology.h b/include/asm-m32r/topology.h
new file mode 100644
index 0000000..299a89d
--- /dev/null
+++ b/include/asm-m32r/topology.h
@@ -0,0 +1,48 @@
+/*
+ * linux/include/asm-generic/topology.h
+ *
+ * Written by: Matthew Dobson, IBM Corporation
+ *
+ * Copyright (C) 2002, IBM Corp.
+ *
+ * All rights reserved.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Send feedback to <colpatch@us.ibm.com>
+ */
+#ifndef _ASM_M32R_TOPOLOGY_H
+#define _ASM_M32R_TOPOLOGY_H
+
+/* Other architectures wishing to use this simple topology API should fill
+   in the below functions as appropriate in their own <asm/topology.h> file. */
+
+#define cpu_to_node(cpu)	(0)
+
+#ifndef parent_node
+#define parent_node(node)	(0)
+#endif
+#ifndef node_to_cpumask
+#define node_to_cpumask(node)	(cpu_online_map)
+#endif
+#ifndef node_to_first_cpu
+#define node_to_first_cpu(node)	(0)
+#endif
+#ifndef pcibus_to_cpumask
+#define pcibus_to_cpumask(bus)	(cpu_online_map)
+#endif
+
+#endif /* _ASM_M32R_TOPOLOGY_H */