xref: /netbsd-src/sys/arch/atari/vme/vme_machdep.c (revision de1dfb1250df962f1ff3a011772cf58e605aed11)
1 /*	$NetBSD: vme_machdep.c,v 1.12 2003/07/15 01:19:56 lukem Exp $	*/
2 
3 /*-
4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by the NetBSD
18  *        Foundation, Inc. and its contributors.
19  * 4. Neither the name of The NetBSD Foundation nor the names of its
20  *    contributors may be used to endorse or promote products derived
21  *    from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: vme_machdep.c,v 1.12 2003/07/15 01:19:56 lukem Exp $");
38 
39 #include <sys/types.h>
40 #include <sys/param.h>
41 #include <sys/time.h>
42 #include <sys/systm.h>
43 #include <sys/errno.h>
44 #include <sys/device.h>
45 
46 #include <uvm/uvm_extern.h>
47 
48 #include <machine/bus.h>
49 #include <machine/cpu.h>
50 #include <machine/iomap.h>
51 #include <machine/mfp.h>
52 
53 #include <atari/atari/device.h>
54 #include <atari/vme/vmevar.h>
55 
56 static int	vmebusprint __P((void *auxp, const char *));
57 static int	vmebusmatch __P((struct device *, struct cfdata *, void *));
58 static void	vmebusattach __P((struct device *, struct device *, void *));
59 
60 CFATTACH_DECL(avmebus, sizeof(struct device),
61     vmebusmatch, vmebusattach, NULL, NULL);
62 
63 int
64 vmebusmatch(pdp, cfp, auxp)
65 struct device	*pdp;
66 struct cfdata	*cfp;
67 void		*auxp;
68 {
69 	if(atari_realconfig == 0)
70 		return (0);
71 	if (strcmp((char *)auxp, "avmebus") || cfp->cf_unit != 0)
72 		return(0);
73 	return(machineid & ATARI_FALCON ? 0 : 1);
74 }
75 
76 void
77 vmebusattach(pdp, dp, auxp)
78 struct device	*pdp, *dp;
79 void		*auxp;
80 {
81 	struct vmebus_attach_args	vba;
82 
83 	vba.vba_busname = "vme";
84 	vba.vba_iot     = beb_alloc_bus_space_tag(NULL);
85 	vba.vba_memt    = beb_alloc_bus_space_tag(NULL);
86 	if ((vba.vba_iot == NULL) || (vba.vba_memt == NULL)) {
87 		printf("beb_alloc_bus_space_tag failed!\n");
88 		return;
89 	}
90 
91 	/*
92 	 * XXX: Should we use zero or the actual (phys) start of VME memory.
93 	 */
94 	vba.vba_iot->base  = 0;
95 	vba.vba_memt->base = 0;
96 
97 	printf("\n");
98 	config_found(dp, &vba, vmebusprint);
99 }
100 
101 int
102 vmebusprint(auxp, name)
103 void		*auxp;
104 const char	*name;
105 {
106 	if(name == NULL)
107 		return(UNCONF);
108 	return(QUIET);
109 }
110