xref: /netbsd-src/sys/arch/algor/dev/bonito_mainbus.c (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: bonito_mainbus.c,v 1.9 2004/08/30 15:05:15 drochner 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: bonito_mainbus.c,v 1.9 2004/08/30 15:05:15 drochner Exp $");
41 
42 #include "opt_algor_p6032.h"
43 
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/conf.h>
47 #include <sys/reboot.h>
48 #include <sys/device.h>
49 
50 #include <machine/bus.h>
51 #include <machine/autoconf.h>
52 
53 #include <mips/bonito/bonitoreg.h>
54 
55 #ifdef ALGOR_P6032
56 #include <algor/algor/algor_p6032var.h>
57 #endif
58 
59 struct bonito_softc {
60 	struct device sc_dev;
61 	struct bonito_config *sc_bonito;
62 };
63 
64 int	bonito_mainbus_match(struct device *, struct cfdata *, void *);
65 void	bonito_mainbus_attach(struct device *, struct device *, void *);
66 
67 CFATTACH_DECL(bonito_mainbus, sizeof(struct bonito_softc),
68     bonito_mainbus_match, bonito_mainbus_attach, NULL, NULL);
69 extern struct cfdriver bonito_cd;
70 
71 int
72 bonito_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
73 {
74 	struct mainbus_attach_args *ma = aux;
75 
76 	if (strcmp(ma->ma_name, bonito_cd.cd_name) == 0)
77 		return (1);
78 
79 	return (0);
80 }
81 
82 void
83 bonito_mainbus_attach(struct device *parent, struct device *self, void *aux)
84 {
85 	struct bonito_softc *sc = (void *) self;
86 	struct pcibus_attach_args pba;
87 	struct bonito_config *bc;
88 	pcireg_t rev;
89 
90 	/*
91 	 * There is only one PCI controller on an Algorithmics board.
92 	 */
93 #if defined(ALGOR_P6032)
94 	bc = &p6032_configuration.ac_bonito;
95 #endif
96 	sc->sc_bonito = bc;
97 
98 	rev = PCI_REVISION(REGVAL(BONITO_PCICLASS));
99 
100 	printf(": BONITO Memory and PCI controller, %s rev. %d.%d\n",
101 	    BONITO_REV_FPGA(rev) ? "FPGA" : "ASIC",
102 	    BONITO_REV_MAJOR(rev), BONITO_REV_MINOR(rev));
103 
104 	pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
105 	pba.pba_bus = 0;
106 	pba.pba_bridgetag = NULL;
107 
108 #if defined(ALGOR_P6032)
109 	    {
110 		struct p6032_config *acp = &p6032_configuration;
111 
112 		pba.pba_iot = &acp->ac_iot;
113 		pba.pba_memt = &acp->ac_memt;
114 		pba.pba_dmat = &acp->ac_pci_dmat;
115 		pba.pba_dmat64 = NULL;
116 		pba.pba_pc = &acp->ac_pc;
117 	    }
118 #endif /* ALGOR_P6032 */
119 
120 	(void) config_found_ia(self, "pcibus", &pba, pcibusprint);
121 }
122