1 /* $NetBSD: bonito_mainbus.c,v 1.19 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: bonito_mainbus.c,v 1.19 2021/08/07 16:18:40 thorpej Exp $");
34
35 #include "opt_algor_p6032.h"
36
37 #include <sys/param.h>
38 #include <sys/bus.h>
39 #include <sys/conf.h>
40 #include <sys/device.h>
41 #include <sys/reboot.h>
42 #include <sys/systm.h>
43
44 #include <algor/autoconf.h>
45
46 #include <mips/cpuregs.h>
47 #include <mips/bonito/bonitoreg.h>
48
49 #ifdef ALGOR_P6032
50 #include <algor/algor/algor_p6032var.h>
51 #endif
52
53 struct bonito_softc {
54 struct bonito_config *sc_bonito;
55 };
56
57 int bonito_mainbus_match(device_t, cfdata_t, void *);
58 void bonito_mainbus_attach(device_t, device_t, void *);
59
60 CFATTACH_DECL_NEW(bonito_mainbus, sizeof(struct bonito_softc),
61 bonito_mainbus_match, bonito_mainbus_attach, NULL, NULL);
62 extern struct cfdriver bonito_cd;
63
64 int
bonito_mainbus_match(device_t parent,cfdata_t cf,void * aux)65 bonito_mainbus_match(device_t parent, cfdata_t cf, void *aux)
66 {
67 struct mainbus_attach_args *ma = aux;
68
69 if (strcmp(ma->ma_name, bonito_cd.cd_name) == 0)
70 return (1);
71
72 return (0);
73 }
74
75 void
bonito_mainbus_attach(device_t parent,device_t self,void * aux)76 bonito_mainbus_attach(device_t parent, device_t self, void *aux)
77 {
78 struct bonito_softc *sc = device_private(self);
79 struct pcibus_attach_args pba;
80 struct bonito_config *bc;
81 pcireg_t rev;
82
83 /*
84 * There is only one PCI controller on an Algorithmics board.
85 */
86 #if defined(ALGOR_P6032)
87 bc = &p6032_configuration.ac_bonito;
88 #else
89 /* I guess... XXX? */
90 bc = NULL;
91 #endif
92 sc->sc_bonito = bc;
93
94 rev = PCI_REVISION(REGVAL(BONITO_PCICLASS));
95
96 printf(": BONITO Memory and PCI controller, %s rev. %d.%d\n",
97 BONITO_REV_FPGA(rev) ? "FPGA" : "ASIC",
98 BONITO_REV_MAJOR(rev), BONITO_REV_MINOR(rev));
99
100 pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY;
101 pba.pba_bus = 0;
102 pba.pba_bridgetag = NULL;
103
104 #if defined(ALGOR_P6032)
105 {
106 struct p6032_config *acp = &p6032_configuration;
107
108 pba.pba_iot = &acp->ac_iot;
109 pba.pba_memt = &acp->ac_memt;
110 pba.pba_dmat = &acp->ac_pci_dmat;
111 pba.pba_dmat64 = NULL;
112 pba.pba_pc = &acp->ac_pc;
113 }
114 #endif /* ALGOR_P6032 */
115
116 config_found(self, &pba, pcibusprint, CFARGS_NONE);
117 }
118