xref: /netbsd-src/sys/arch/algor/dev/vtpbc_mainbus.c (revision 001c68bd94f75ce9270b69227c4199fbf34ee396)
1 /*	$NetBSD: vtpbc_mainbus.c,v 1.11 2003/06/15 23:08:54 fvdl Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include "opt_algor_p4032.h"
40 #include "opt_algor_p5064.h"
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/conf.h>
45 #include <sys/reboot.h>
46 #include <sys/device.h>
47 
48 #include <machine/bus.h>
49 #include <machine/autoconf.h>
50 
51 #include <algor/pci/vtpbcvar.h>
52 
53 #ifdef ALGOR_P4032
54 #include <algor/algor/algor_p4032var.h>
55 #endif
56 
57 #ifdef ALGOR_P5064
58 #include <algor/algor/algor_p5064var.h>
59 #endif
60 
61 struct vtpbc_softc {
62 	struct device sc_dev;
63 	struct vtpbc_config *sc_vtpbc;
64 };
65 
66 int	vtpbc_mainbus_match(struct device *, struct cfdata *, void *);
67 void	vtpbc_mainbus_attach(struct device *, struct device *, void *);
68 
69 CFATTACH_DECL(vtpbc_mainbus, sizeof(struct vtpbc_softc),
70     vtpbc_mainbus_match, vtpbc_mainbus_attach, NULL, NULL);
71 extern struct cfdriver vtpbc_cd;
72 
73 int	vtpbc_mainbus_print(void *, const char *);
74 
75 int
76 vtpbc_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
77 {
78 	struct mainbus_attach_args *ma = aux;
79 
80 	if (strcmp(ma->ma_name, vtpbc_cd.cd_name) == 0)
81 		return (1);
82 
83 	return (0);
84 }
85 
86 void
87 vtpbc_mainbus_attach(struct device *parent, struct device *self, void *aux)
88 {
89 	struct vtpbc_softc *sc = (void *) self;
90 	struct pcibus_attach_args pba;
91 	struct vtpbc_config *vt;
92 
93 	/*
94 	 * There is only one PCI controller on an Algorithmics board.
95 	 */
96 	vt = &vtpbc_configuration;
97 	sc->sc_vtpbc = vt;
98 
99 	if (vt->vt_rev < vtpbc_nrevs)
100 		printf(": V3 V962, revision %s\n", vtpbc_revs[vt->vt_rev]);
101 	else
102 		printf(": V3 V962, unknown revision %d\n", vt->vt_rev);
103 
104 	printf("%s: PCI memory space base: 0x%08lx\n", sc->sc_dev.dv_xname,
105 	    (u_long) vt->vt_pci_membase);
106 	printf("%s: PCI DMA window base: 0x%08lx\n", sc->sc_dev.dv_xname,
107 	    (u_long) vt->vt_dma_winbase);
108 
109 	pba.pba_busname = "pci";
110 	pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
111 	pba.pba_bus = 0;
112 	pba.pba_bridgetag = NULL;
113 
114 	if (vt->vt_pci_iobase == (bus_addr_t) -1)
115 		pba.pba_flags &= ~PCI_FLAGS_IO_ENABLED;
116 
117 #if defined(ALGOR_P4032)
118 	    {
119 		struct p4032_config *acp = &p4032_configuration;
120 
121 		pba.pba_iot = &acp->ac_iot;
122 		pba.pba_memt = &acp->ac_memt;
123 		pba.pba_dmat = &acp->ac_pci_dmat;
124 		pba.pba_dmat64 = NULL;
125 		pba.pba_pc = &acp->ac_pc;
126 	    }
127 #elif defined(ALGOR_P5064)
128 	    {
129 		struct p5064_config *acp = &p5064_configuration;
130 
131 		pba.pba_iot = &acp->ac_iot;
132 		pba.pba_memt = &acp->ac_memt;
133 		pba.pba_dmat = &acp->ac_pci_dmat;
134 		pba.pba_dmat64 = NULL;
135 		pba.pba_pc = &acp->ac_pc;
136 	    }
137 #endif /* ALGOR_P4032 || ALGOR_P5064 */
138 
139 	(void) config_found(self, &pba, vtpbc_mainbus_print);
140 }
141 
142 int
143 vtpbc_mainbus_print(void *aux, const char *pnp)
144 {
145 	struct pcibus_attach_args *pba = aux;
146 
147 	/* only PCIs can attach to VTPBCs; easy. */
148 	if (pnp)
149 		aprint_normal("%s at %s", pba->pba_busname, pnp);
150 	aprint_normal(" bus %d", pba->pba_bus);
151 
152 	return (UNCONF);
153 }
154