1 /* $NetBSD: vtpbc_mainbus.c,v 1.21 2021/08/07 16:18:40 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: vtpbc_mainbus.c,v 1.21 2021/08/07 16:18:40 thorpej Exp $");
34
35 #include "opt_algor_p4032.h"
36 #include "opt_algor_p5064.h"
37
38 #include <sys/param.h>
39 #include <sys/bus.h>
40 #include <sys/conf.h>
41 #include <sys/device.h>
42 #include <sys/reboot.h>
43 #include <sys/systm.h>
44
45 #include <algor/autoconf.h>
46
47 #include <algor/pci/vtpbcvar.h>
48
49 #ifdef ALGOR_P4032
50 #include <algor/algor/algor_p4032var.h>
51 #endif
52
53 #ifdef ALGOR_P5064
54 #include <algor/algor/algor_p5064var.h>
55 #endif
56
57 struct vtpbc_softc {
58 struct vtpbc_config *sc_vtpbc;
59 };
60
61 int vtpbc_mainbus_match(device_t, cfdata_t, void *);
62 void vtpbc_mainbus_attach(device_t, device_t, void *);
63
64 CFATTACH_DECL_NEW(vtpbc_mainbus, sizeof(struct vtpbc_softc),
65 vtpbc_mainbus_match, vtpbc_mainbus_attach, NULL, NULL);
66 extern struct cfdriver vtpbc_cd;
67
68 int
vtpbc_mainbus_match(device_t parent,cfdata_t cf,void * aux)69 vtpbc_mainbus_match(device_t parent, cfdata_t cf, void *aux)
70 {
71 struct mainbus_attach_args *ma = aux;
72
73 if (strcmp(ma->ma_name, vtpbc_cd.cd_name) == 0)
74 return (1);
75
76 return (0);
77 }
78
79 void
vtpbc_mainbus_attach(device_t parent,device_t self,void * aux)80 vtpbc_mainbus_attach(device_t parent, device_t self, void *aux)
81 {
82 struct vtpbc_softc *sc = device_private(self);
83 struct pcibus_attach_args pba;
84 struct vtpbc_config *vt;
85
86 /*
87 * There is only one PCI controller on an Algorithmics board.
88 */
89 vt = &vtpbc_configuration;
90 sc->sc_vtpbc = vt;
91
92 if (vt->vt_rev < vtpbc_nrevs)
93 printf(": V3 V962, revision %s\n", vtpbc_revs[vt->vt_rev]);
94 else
95 printf(": V3 V962, unknown revision %d\n", vt->vt_rev);
96
97 printf("%s: PCI memory space base: 0x%08lx\n", device_xname(self),
98 (u_long) vt->vt_pci_membase);
99 printf("%s: PCI DMA window base: 0x%08lx\n", device_xname(self),
100 (u_long) vt->vt_dma_winbase);
101
102 pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY;
103 pba.pba_bus = 0;
104 pba.pba_bridgetag = NULL;
105
106 if (vt->vt_pci_iobase == (bus_addr_t) -1)
107 pba.pba_flags &= ~PCI_FLAGS_IO_OKAY;
108
109 #if defined(ALGOR_P4032)
110 {
111 struct p4032_config *acp = &p4032_configuration;
112
113 pba.pba_iot = &acp->ac_iot;
114 pba.pba_memt = &acp->ac_memt;
115 pba.pba_dmat = &acp->ac_pci_dmat;
116 pba.pba_dmat64 = NULL;
117 pba.pba_pc = &acp->ac_pc;
118 }
119 #elif defined(ALGOR_P5064)
120 {
121 struct p5064_config *acp = &p5064_configuration;
122
123 pba.pba_iot = &acp->ac_iot;
124 pba.pba_memt = &acp->ac_memt;
125 pba.pba_dmat = &acp->ac_pci_dmat;
126 pba.pba_dmat64 = NULL;
127 pba.pba_pc = &acp->ac_pc;
128 }
129 #endif /* ALGOR_P4032 || ALGOR_P5064 */
130
131 config_found(self, &pba, pcibusprint, CFARGS_NONE);
132 }
133