xref: /netbsd-src/sys/arch/algor/dev/vtpbc_mainbus.c (revision da5f4674a3fc214be3572d358b66af40ab9401e7)
1 /*	$NetBSD: vtpbc_mainbus.c,v 1.12 2003/07/14 22:57:47 lukem 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 <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: vtpbc_mainbus.c,v 1.12 2003/07/14 22:57:47 lukem Exp $");
41 
42 #include "opt_algor_p4032.h"
43 #include "opt_algor_p5064.h"
44 
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/conf.h>
48 #include <sys/reboot.h>
49 #include <sys/device.h>
50 
51 #include <machine/bus.h>
52 #include <machine/autoconf.h>
53 
54 #include <algor/pci/vtpbcvar.h>
55 
56 #ifdef ALGOR_P4032
57 #include <algor/algor/algor_p4032var.h>
58 #endif
59 
60 #ifdef ALGOR_P5064
61 #include <algor/algor/algor_p5064var.h>
62 #endif
63 
64 struct vtpbc_softc {
65 	struct device sc_dev;
66 	struct vtpbc_config *sc_vtpbc;
67 };
68 
69 int	vtpbc_mainbus_match(struct device *, struct cfdata *, void *);
70 void	vtpbc_mainbus_attach(struct device *, struct device *, void *);
71 
72 CFATTACH_DECL(vtpbc_mainbus, sizeof(struct vtpbc_softc),
73     vtpbc_mainbus_match, vtpbc_mainbus_attach, NULL, NULL);
74 extern struct cfdriver vtpbc_cd;
75 
76 int	vtpbc_mainbus_print(void *, const char *);
77 
78 int
79 vtpbc_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
80 {
81 	struct mainbus_attach_args *ma = aux;
82 
83 	if (strcmp(ma->ma_name, vtpbc_cd.cd_name) == 0)
84 		return (1);
85 
86 	return (0);
87 }
88 
89 void
90 vtpbc_mainbus_attach(struct device *parent, struct device *self, void *aux)
91 {
92 	struct vtpbc_softc *sc = (void *) self;
93 	struct pcibus_attach_args pba;
94 	struct vtpbc_config *vt;
95 
96 	/*
97 	 * There is only one PCI controller on an Algorithmics board.
98 	 */
99 	vt = &vtpbc_configuration;
100 	sc->sc_vtpbc = vt;
101 
102 	if (vt->vt_rev < vtpbc_nrevs)
103 		printf(": V3 V962, revision %s\n", vtpbc_revs[vt->vt_rev]);
104 	else
105 		printf(": V3 V962, unknown revision %d\n", vt->vt_rev);
106 
107 	printf("%s: PCI memory space base: 0x%08lx\n", sc->sc_dev.dv_xname,
108 	    (u_long) vt->vt_pci_membase);
109 	printf("%s: PCI DMA window base: 0x%08lx\n", sc->sc_dev.dv_xname,
110 	    (u_long) vt->vt_dma_winbase);
111 
112 	pba.pba_busname = "pci";
113 	pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
114 	pba.pba_bus = 0;
115 	pba.pba_bridgetag = NULL;
116 
117 	if (vt->vt_pci_iobase == (bus_addr_t) -1)
118 		pba.pba_flags &= ~PCI_FLAGS_IO_ENABLED;
119 
120 #if defined(ALGOR_P4032)
121 	    {
122 		struct p4032_config *acp = &p4032_configuration;
123 
124 		pba.pba_iot = &acp->ac_iot;
125 		pba.pba_memt = &acp->ac_memt;
126 		pba.pba_dmat = &acp->ac_pci_dmat;
127 		pba.pba_dmat64 = NULL;
128 		pba.pba_pc = &acp->ac_pc;
129 	    }
130 #elif defined(ALGOR_P5064)
131 	    {
132 		struct p5064_config *acp = &p5064_configuration;
133 
134 		pba.pba_iot = &acp->ac_iot;
135 		pba.pba_memt = &acp->ac_memt;
136 		pba.pba_dmat = &acp->ac_pci_dmat;
137 		pba.pba_dmat64 = NULL;
138 		pba.pba_pc = &acp->ac_pc;
139 	    }
140 #endif /* ALGOR_P4032 || ALGOR_P5064 */
141 
142 	(void) config_found(self, &pba, vtpbc_mainbus_print);
143 }
144 
145 int
146 vtpbc_mainbus_print(void *aux, const char *pnp)
147 {
148 	struct pcibus_attach_args *pba = aux;
149 
150 	/* only PCIs can attach to VTPBCs; easy. */
151 	if (pnp)
152 		aprint_normal("%s at %s", pba->pba_busname, pnp);
153 	aprint_normal(" bus %d", pba->pba_bus);
154 
155 	return (UNCONF);
156 }
157