mainbus.c revision 1.1 
1/*	$NetBSD: mainbus.c,v 1.1 2011/08/27 13:42:45 bouyer Exp $	*/
2
3/*
4 * Copyright 2002 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Simon Burge for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *      This product includes software developed for the NetBSD Project by
20 *      Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 *    or promote products derived from this software without specific prior
23 *    written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#include <sys/cdefs.h>
39__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.1 2011/08/27 13:42:45 bouyer Exp $");
40
41#include "opt_pci.h"
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/device.h>
46#if defined(PCI_NETBSD_CONFIGURE)
47#include <sys/extent.h>
48#include <sys/malloc.h>
49#endif
50
51#include <dev/pci/pcivar.h>
52#if defined(PCI_NETBSD_CONFIGURE)
53#include <dev/pci/pciconf.h>
54#endif
55
56#include <mips/cache.h>
57#include <mips/cpuregs.h>
58
59#include <mips/bonito/bonitoreg.h>
60
61#include <evbmips/loongson/autoconf.h>
62
63#include "locators.h"
64#include "pci.h"
65
66static int	mainbus_match(device_t, cfdata_t, void *);
67static void	mainbus_attach(device_t, device_t, void *);
68static int	mainbus_print(void *, const char *);
69
70CFATTACH_DECL_NEW(mainbus, 0,
71    mainbus_match, mainbus_attach, NULL, NULL);
72
73/* There can be only one. */
74static bool mainbus_found;
75
76const char * const mainbusdevs[] = {
77	"cpu",
78	"bonito",
79#if 0
80	"i2c",
81	"gpio",
82#endif
83};
84
85static int
86mainbus_match(device_t parent, cfdata_t match, void *aux)
87{
88	if (mainbus_found)
89		return (0);
90
91	return (1);
92}
93
94static void
95mainbus_attach(device_t parent, device_t self, void *aux)
96{
97	size_t i;
98
99	mainbus_found = true;
100	aprint_normal("\n");
101
102#if defined(PCI_NETBSD_CONFIGURE)
103	{
104		struct extent *ioext, *memext;
105
106		ioext = extent_create("pciio",  0x00001000, 0x00003fff,
107		    M_DEVBUF, NULL, 0, EX_NOWAIT);
108		memext = extent_create("pcimem", 0, BONITO_PCILO_SIZE,
109		    M_DEVBUF, NULL, 0, EX_NOWAIT);
110
111		pci_configure_bus(&gdium_configuration.gc_pc, ioext, memext,
112		    NULL, 0, mips_dcache_align);
113		extent_destroy(ioext);
114		extent_destroy(memext);
115	}
116#endif /* PCI_NETBSD_CONFIGURE */
117
118	for (i = 0; i < __arraycount(mainbusdevs); i++) {
119		struct mainbus_attach_args maa;
120		maa.maa_name = mainbusdevs[i];
121		(void) config_found(self, &maa, mainbus_print);
122	}
123}
124
125static int
126mainbus_print(void *aux, const char *pnp)
127{
128	struct mainbus_attach_args *maa = aux;
129
130	if (pnp)
131		aprint_normal("%s at %s", maa->maa_name, pnp);
132
133	return UNCONF;
134}
135