1/*	$NetBSD: bonito_mainbus.c,v 1.2 2011/05/17 17:34:49 dyoung 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 1.2 2011/05/17 17:34:49 dyoung Exp $");
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/conf.h>
38#include <sys/reboot.h>
39#include <sys/device.h>
40
41#include <sys/bus.h>
42
43#include <mips/bonito/bonitoreg.h>
44
45#include <evbmips/gdium/gdiumvar.h>
46
47static int	bonito_mainbus_match(device_t, cfdata_t, void *);
48static void	bonito_mainbus_attach(device_t, device_t, void *);
49
50CFATTACH_DECL_NEW(bonito_mainbus, 0,
51    bonito_mainbus_match, bonito_mainbus_attach, NULL, NULL);
52
53extern struct cfdriver bonito_cd;
54
55int
56bonito_mainbus_match(device_t parent, cfdata_t cf, void *aux)
57{
58	struct mainbus_attach_args * const maa = aux;
59
60	if (strcmp(maa->maa_name, bonito_cd.cd_name) == 0)
61		return (1);
62
63	return (0);
64}
65
66void
67bonito_mainbus_attach(device_t parent, device_t self, void *aux)
68{
69	struct pcibus_attach_args pba;
70	struct gdium_config * const gc = &gdium_configuration;
71	pcireg_t rev;
72
73	self->dv_private = &gc->gc_bonito;
74
75	/*
76	 * There is only one PCI controller on a Loongson chip.
77	 */
78
79	rev = PCI_REVISION(REGVAL(BONITO_PCICLASS));
80
81	printf(": BONITO Memory and PCI controller, %s rev. %d.%d\n",
82	    BONITO_REV_FPGA(rev) ? "FPGA" : "ASIC",
83	    BONITO_REV_MAJOR(rev), BONITO_REV_MINOR(rev));
84
85	pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY;
86	pba.pba_bus = 0;
87	pba.pba_bridgetag = NULL;
88
89	pba.pba_iot = &gc->gc_iot;
90	pba.pba_memt = &gc->gc_memt;
91	pba.pba_dmat = &gc->gc_pci_dmat;
92	pba.pba_dmat64 = NULL;
93	pba.pba_pc = &gc->gc_pc;
94
95	(void) config_found_ia(self, "pcibus", &pba, pcibusprint);
96}
97