xref: /netbsd-src/sys/arch/atari/vme/vme_machdep.c (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
1 /*	$NetBSD: vme_machdep.c,v 1.14 2005/12/11 12:17:02 christos 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 1.14 2005/12/11 12:17:02 christos 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 vmebus_attached;
64 
65 int
66 vmebusmatch(pdp, cfp, auxp)
67 struct device	*pdp;
68 struct cfdata	*cfp;
69 void		*auxp;
70 {
71 	if(atari_realconfig == 0)
72 		return (0);
73 	if (strcmp((char *)auxp, "avmebus") || vmebus_attached)
74 		return(0);
75 	return(machineid & ATARI_FALCON ? 0 : 1);
76 }
77 
78 void
79 vmebusattach(pdp, dp, auxp)
80 struct device	*pdp, *dp;
81 void		*auxp;
82 {
83 	struct vmebus_attach_args	vba;
84 
85 	vmebus_attached = 1;
86 
87 	vba.vba_busname = "vme";
88 	vba.vba_iot     = beb_alloc_bus_space_tag(NULL);
89 	vba.vba_memt    = beb_alloc_bus_space_tag(NULL);
90 	if ((vba.vba_iot == NULL) || (vba.vba_memt == NULL)) {
91 		printf("beb_alloc_bus_space_tag failed!\n");
92 		return;
93 	}
94 
95 	/*
96 	 * XXX: Should we use zero or the actual (phys) start of VME memory.
97 	 */
98 	vba.vba_iot->base  = 0;
99 	vba.vba_memt->base = 0;
100 
101 	printf("\n");
102 	config_found(dp, &vba, vmebusprint);
103 }
104 
105 int
106 vmebusprint(auxp, name)
107 void		*auxp;
108 const char	*name;
109 {
110 	if(name == NULL)
111 		return(UNCONF);
112 	return(QUIET);
113 }
114