xref: /netbsd/sys/arch/algor/dev/vtpbc_mainbus.c (revision bf9ec67e)
1 /*	$NetBSD: vtpbc_mainbus.c,v 1.6 2002/05/16 01:01:30 thorpej 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 struct cfattach vtpbc_mainbus_ca = {
70 	sizeof(struct vtpbc_softc), vtpbc_mainbus_match, vtpbc_mainbus_attach,
71 };
72 extern struct cfdriver vtpbc_cd;
73 
74 int	vtpbc_mainbus_print(void *, const char *);
75 
76 int
77 vtpbc_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
78 {
79 	struct mainbus_attach_args *ma = aux;
80 
81 	if (strcmp(ma->ma_name, vtpbc_cd.cd_name) == 0)
82 		return (1);
83 
84 	return (0);
85 }
86 
87 void
88 vtpbc_mainbus_attach(struct device *parent, struct device *self, void *aux)
89 {
90 	struct vtpbc_softc *sc = (void *) self;
91 	struct pcibus_attach_args pba;
92 	struct vtpbc_config *vt;
93 
94 	/*
95 	 * There is only one PCI controller on an Algorithmics board.
96 	 */
97 	vt = &vtpbc_configuration;
98 	sc->sc_vtpbc = vt;
99 
100 	if (vt->vt_rev < vtpbc_nrevs)
101 		printf(": V3 V962, revision %s\n", vtpbc_revs[vt->vt_rev]);
102 	else
103 		printf(": V3 V962, unknown revision %d\n", vt->vt_rev);
104 
105 	printf("%s: PCI memory space base: 0x%08lx\n", sc->sc_dev.dv_xname,
106 	    (u_long) vt->vt_pci_membase);
107 	printf("%s: PCI DMA window base: 0x%08lx\n", sc->sc_dev.dv_xname,
108 	    (u_long) vt->vt_dma_winbase);
109 
110 	pba.pba_busname = "pci";
111 	pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
112 	pba.pba_bus = 0;
113 	pba.pba_bridgetag = NULL;
114 
115 	if (vt->vt_pci_iobase == (bus_addr_t) -1)
116 		pba.pba_flags &= ~PCI_FLAGS_IO_ENABLED;
117 
118 #if defined(ALGOR_P4032)
119 	    {
120 		struct p4032_config *acp = &p4032_configuration;
121 
122 		pba.pba_iot = &acp->ac_iot;
123 		pba.pba_memt = &acp->ac_memt;
124 		pba.pba_dmat = &acp->ac_pci_dmat;
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_pc = &acp->ac_pc;
135 	    }
136 #endif /* ALGOR_P4032 || ALGOR_P5064 */
137 
138 	(void) config_found(self, &pba, vtpbc_mainbus_print);
139 }
140 
141 int
142 vtpbc_mainbus_print(void *aux, const char *pnp)
143 {
144 	struct pcibus_attach_args *pba = aux;
145 
146 	/* only PCIs can attach to VTPBCs; easy. */
147 	if (pnp)
148 		printf("%s at %s", pba->pba_busname, pnp);
149 	printf(" bus %d", pba->pba_bus);
150 
151 	return (UNCONF);
152 }
153