1/*	$NetBSD: cmi.c,v 1.12 2010/07/01 19:50:12 ragge Exp $ */
2/*
3 * Copyright (c) 1999 Ludd, University of Lule}, Sweden.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed at Ludd, University of
17 *	Lule}, Sweden and its contributors.
18 * 4. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__KERNEL_RCSID(0, "$NetBSD: cmi.c,v 1.12 2010/07/01 19:50:12 ragge Exp $");
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/bus.h>
39#include <sys/cpu.h>
40#include <sys/device.h>
41
42#include <machine/nexus.h>
43#include <machine/sid.h>
44#include <machine/ka750.h>
45#include <machine/mainbus.h>
46
47static	int cmi_print(void *, const char *);
48static	int cmi_match(device_t, cfdata_t, void *);
49static	void cmi_attach(device_t, device_t, void*);
50
51CFATTACH_DECL_NEW(cmi, 0,
52    cmi_match, cmi_attach, NULL, NULL);
53
54int
55cmi_print(void *aux, const char *name)
56{
57	struct sbi_attach_args * const sa = aux;
58
59	if (name)
60		aprint_normal("unknown device 0x%x at %s", sa->sa_type, name);
61
62	aprint_normal(" tr%d", sa->sa_nexnum);
63	return (UNCONF);
64}
65
66
67int
68cmi_match(device_t parent, cfdata_t cf, void *aux)
69{
70	struct mainbus_attach_args * const ma = aux;
71
72	return !strcmp("cmi", ma->ma_type);
73}
74
75void
76cmi_attach(device_t parent, device_t self, void *aux)
77{
78	struct sbi_attach_args sa;
79
80        sa.sa_base = NEX750;
81
82	aprint_normal("\n");
83	/*
84	 * Probe for memory, can be in the first 4 slots.
85	 */
86#define NEXPAGES (sizeof(struct nexus) / VAX_NBPG)
87	for (sa.sa_nexnum = 0; sa.sa_nexnum < 4; sa.sa_nexnum++) {
88		sa.sa_ioh = vax_map_physmem(NEX750 +
89		    sizeof(struct nexus) * sa.sa_nexnum, NEXPAGES);
90		if (badaddr((void *)sa.sa_ioh, 4)) {
91			vax_unmap_physmem((vaddr_t)sa.sa_ioh, NEXPAGES);
92		} else {
93			sa.sa_type = NEX_MEM16;
94			config_found(self, (void*)&sa, cmi_print);
95		}
96	}
97
98	/*
99	 * Probe for mba's, can be in slot 4 - 7.
100	 */
101	for (sa.sa_nexnum = 4; sa.sa_nexnum < 7; sa.sa_nexnum++) {
102		sa.sa_ioh = vax_map_physmem(NEX750 +
103		    sizeof(struct nexus) * sa.sa_nexnum, NEXPAGES);
104		if (badaddr((void *)sa.sa_ioh, 4)) {
105			vax_unmap_physmem((vaddr_t)sa.sa_ioh, NEXPAGES);
106		} else {
107			sa.sa_type = NEX_MBA;
108			config_found(self, (void*)&sa, cmi_print);
109		}
110	}
111
112	/*
113	 * There are always one generic UBA, and maybe an optional.
114	 */
115	sa.sa_nexnum = 8;
116	sa.sa_ioh = vax_map_physmem(NEX750 +
117	    sizeof(struct nexus) * sa.sa_nexnum, NEXPAGES);
118	sa.sa_type = NEX_UBA0;
119	config_found(self, (void*)&sa, cmi_print);
120
121	sa.sa_nexnum = 9;
122	sa.sa_ioh = vax_map_physmem(NEX750 +
123	    sizeof(struct nexus) * sa.sa_nexnum, NEXPAGES);
124	sa.sa_type = NEX_UBA1;
125	if (badaddr((void *)sa.sa_ioh, 4))
126		vax_unmap_physmem((vaddr_t)sa.sa_ioh, NEXPAGES);
127	else
128		config_found(self, (void*)&sa, cmi_print);
129}
130