diff --git a/sys/arch/mips/atheros/dev/arspireg.h b/sys/arch/mips/atheros/dev/arspireg.h
new file mode 100644
index 000000000000..30da9a72807f
--- /dev/null
+++ b/sys/arch/mips/atheros/dev/arspireg.h
@@ -0,0 +1,60 @@
+/* $NetBSD: arspireg.h,v 1.1 2006/10/14 15:33:23 gdamore Exp $ */
+
+/*-
+ * Copyright (c) 2006 Urbana-Champaign Independent Media Center.
+ * Copyright (c) 2006 Garrett D'Amore.
+ * All rights reserved.
+ *
+ * Portions of this code were written by Garrett D'Amore for the
+ * Champaign-Urbana Community Wireless Network Project.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgements:
+ *      This product includes software developed by the Urbana-Champaign
+ *      Independent Media Center.
+ *	This product includes software developed by Garrett D'Amore.
+ * 4. Urbana-Champaign Independent Media Center's name and Garrett
+ *    D'Amore's name may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT
+ * MEDIA CENTER AND GARRETT D'AMORE ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE URBANA-CHAMPAIGN INDEPENDENT
+ * MEDIA CENTER OR GARRETT D'AMORE BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef	_MIPS_ATHEROS_DEV_ARSPIREG_H
+#define	_MIPS_ATHEROS_DEV_ARSPIREG_H
+
+#define	ARSPI_REG_CTL		0x00
+#define	ARSPI_REG_OPCODE	0x04
+#define	ARSPI_REG_DATA		0x08
+
+#define	ARSPI_CTL_START		0x00000100
+#define	ARSPI_CTL_BUSY		0x00010000
+#define	ARSPI_CTL_TXCNT_MASK	0x0000000f
+#define	ARSPI_CTL_TXCNT_SHIFT	0
+#define	ARSPI_CTL_RXCNT_MASK	0x000000f0
+#define	ARSPI_CTL_RXCNT_SHIFT	4
+#define	ARSPI_CTL_SIZE_MASK	0x00060000
+#define	ARSPI_CTL_CLKSEL_MASK	0x03000000
+
+#endif /* _MIPS_ATHEROS_DEV_ARSPIREG_H */