mca.c revision 1.17.6.4 1 /* $NetBSD: mca.c,v 1.17.6.4 2007/10/27 11:32:17 yamt Exp $ */
2
3 /*-
4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
5 * Copyright (c) 1996-1999 Scott D. Telford.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Scott Telford <s.telford (at) ed.ac.uk>.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * MCA Bus device
42 */
43
44 #include <sys/cdefs.h>
45 __KERNEL_RCSID(0, "$NetBSD: mca.c,v 1.17.6.4 2007/10/27 11:32:17 yamt Exp $");
46
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/device.h>
50
51 #include <sys/bus.h>
52 #include <machine/mca_machdep.h>
53
54 #include <dev/mca/mcareg.h>
55 #include <dev/mca/mcavar.h>
56 #include <dev/mca/mcadevs.h>
57
58 #include "locators.h"
59
60 int mca_match(struct device *, struct cfdata *, void *);
61 void mca_attach(struct device *, struct device *, void *);
62
63 CFATTACH_DECL(mca, sizeof(struct device),
64 mca_match, mca_attach, NULL, NULL);
65
66 int mca_print(void *, const char *);
67
68 int
69 mca_match(struct device *parent, struct cfdata *cf, void *aux)
70 {
71 struct mcabus_attach_args *mba = aux;
72
73 /* sanity (only mca0 supported currently) */
74 if (mba->mba_bus < 0 || mba->mba_bus > 0)
75 return (0);
76
77 /* XXX check other indicators? */
78
79 return (1);
80 }
81
82 int
83 mca_print(aux, pnp)
84 void *aux;
85 const char *pnp;
86 {
87 register struct mca_attach_args *ma = aux;
88 char devinfo[256];
89
90 if (pnp) {
91 mca_devinfo(ma->ma_id, devinfo, sizeof(devinfo));
92 aprint_normal("%s slot %d: %s", pnp, ma->ma_slot + 1, devinfo);
93 }
94
95 /*
96 * Print "configured" for Memory Extension boards - there is no
97 * meaningfull driver for them, they "just work".
98 */
99 switch(ma->ma_id) {
100 case MCA_PRODUCT_HRAM: case MCA_PRODUCT_IQRAM: case MCA_PRODUCT_MICRAM:
101 case MCA_PRODUCT_ASTRAM: case MCA_PRODUCT_KINGRAM:
102 case MCA_PRODUCT_KINGRAM8: case MCA_PRODUCT_KINGRAM16:
103 case MCA_PRODUCT_KINGRAM609: case MCA_PRODUCT_HYPRAM:
104 case MCA_PRODUCT_QRAM1: case MCA_PRODUCT_QRAM2: case MCA_PRODUCT_EVERAM:
105 case MCA_PRODUCT_BOCARAM: case MCA_PRODUCT_IBMRAM1:
106 case MCA_PRODUCT_IBMRAM2: case MCA_PRODUCT_IBMRAM3:
107 case MCA_PRODUCT_IBMRAM4: case MCA_PRODUCT_IBMRAM5:
108 case MCA_PRODUCT_IBMRAM6: case MCA_PRODUCT_IBMRAM7:
109 aprint_normal(": memory configured\n");
110 return (QUIET);
111 default:
112 return (UNCONF);
113 }
114 }
115
116 void
117 mca_attach(parent, self, aux)
118 struct device *parent, *self;
119 void *aux;
120 {
121 struct mcabus_attach_args *mba = aux;
122 bus_space_tag_t iot, memt;
123 bus_dma_tag_t dmat;
124 mca_chipset_tag_t mc;
125 int slot;
126
127 mca_attach_hook(parent, self, mba);
128 printf("\n");
129
130 iot = mba->mba_iot;
131 memt = mba->mba_memt;
132 mc = mba->mba_mc;
133 dmat = mba->mba_dmat;
134
135 /*
136 * Search for and attach subdevices.
137 *
138 * NB: In the adapter setup register, slots are numbered from 0,
139 * but officially they are numbered from 1.
140 * We use the former convention internally and the latter for text
141 * messages and in config files.
142 */
143
144 for (slot = 0; slot < MCA_MAX_SLOTS; slot++) {
145 struct mca_attach_args ma;
146 int reg;
147 int locs[MCACF_NLOCS];
148
149 ma.ma_iot = iot;
150 ma.ma_memt = memt;
151 ma.ma_dmat = dmat;
152 ma.ma_mc = mc;
153 ma.ma_slot = slot;
154
155 for(reg = 0; reg < 8; reg++)
156 ma.ma_pos[reg]=mca_conf_read(mc, slot, reg);
157
158 ma.ma_id = ma.ma_pos[0] + (ma.ma_pos[1] << 8);
159 if (ma.ma_id == 0xffff) /* no adapter here */
160 continue;
161
162 locs[MCACF_SLOT] = slot;
163
164 if (ma.ma_pos[2] & MCA_POS2_ENABLE
165 || mca_match_disabled(ma.ma_id))
166 config_found_sm_loc(self, "mca", locs, &ma,
167 mca_print, config_stdsubmatch);
168 else {
169 mca_print(&ma, self->dv_xname);
170 printf(" disabled\n");
171 }
172 }
173 }
174