diff --git a/sys/arch/sgimips/include/bus.h b/sys/arch/sgimips/include/bus.h
index ecb542368b80..c149736d6743 100644
--- a/sys/arch/sgimips/include/bus.h
+++ b/sys/arch/sgimips/include/bus.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: bus.h,v 1.12 2004/01/13 05:47:09 sekiya Exp $	*/
+/*	$NetBSD: bus.h,v 1.13 2004/01/13 12:57:24 sekiya Exp $	*/
 
 /*
  * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
@@ -70,6 +70,10 @@ typedef u_long	bus_space_handle_t;
 #define	SGIMIPS_BUS_SPACE_IO		4
 #define SGIMIPS_BUS_SPACE_CRIME		5
 
+/* Initialization for bus_dmamap_sync, which differs from MIPS1 to MIPS3 */
+
+void	sgimips_bus_dma_init(void);
+
 /*
  *	int bus_space_map(bus_space_tag_t t, bus_addr_t addr,
  *	    bus_size_t size, int flags, bus_space_handle_t *bshp);
@@ -616,7 +620,6 @@ struct sgimips_bus_dmamap {
 };
 
 #ifdef _SGIMIPS_BUS_DMA_PRIVATE
-void	sgimips_bus_dma_init(void);
 
 int	_bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t,
 	    bus_size_t, int, bus_dmamap_t *);
diff --git a/sys/arch/sgimips/sgimips/machdep.c b/sys/arch/sgimips/sgimips/machdep.c
index 7329499013df..678e8be0027d 100644
--- a/sys/arch/sgimips/sgimips/machdep.c
+++ b/sys/arch/sgimips/sgimips/machdep.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: machdep.c,v 1.73 2004/01/13 05:51:07 sekiya Exp $	*/
+/*	$NetBSD: machdep.c,v 1.74 2004/01/13 12:57:24 sekiya Exp $	*/
 
 /*
  * Copyright (c) 2000 Soren S. Jorvang
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.73 2004/01/13 05:51:07 sekiya Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.74 2004/01/13 12:57:24 sekiya Exp $");
 
 #include "opt_ddb.h"
 #include "opt_kgdb.h"
@@ -75,6 +75,7 @@ __KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.73 2004/01/13 05:51:07 sekiya Exp $");
 #include <machine/sysconf.h>
 #include <machine/intr.h>
 #include <machine/bootinfo.h>
+#include <machine/bus.h>
 
 #include <mips/locore.h>
 #include <mips/cache.h>
@@ -524,6 +525,11 @@ mach_init(argc, argv, magic, btinfo)
 	/* We can now no longer use bootinfo. */
 	bootinfo = NULL;
 
+	/*
+	 * Initialize mips version-dependent DMA handlers.
+	 */
+	sgimips_bus_dma_init();
+
 	/*
 	 * Walk the component tree and count the number of CPUs
 	 * present in the system.