1 /* $NetBSD: ahc_eisa.c,v 1.36 2008/04/06 08:54:43 cegger Exp $ */
2
3 /*
4 * Product specific probe and attach routines for:
5 * 274X and aic7770 motherboard SCSI controllers
6 *
7 * Copyright (c) 1994, 1995, 1996, 1997, 1998 Justin T. Gibbs.
8 * All rights reserved.
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 immediately at the beginning of the file, without modification,
15 * this list of conditions, and the following disclaimer.
16 * 2. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: src/sys/dev/aic7xxx/ahc_eisa.c,v 1.15 2000/01/29 14:22:19 peter Exp $
32 */
33
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: ahc_eisa.c,v 1.36 2008/04/06 08:54:43 cegger Exp $");
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/device.h>
41 #include <sys/reboot.h>
42
43 #include <sys/bus.h>
44 #include <sys/intr.h>
45
46 #include <dev/scsipi/scsi_all.h>
47 #include <dev/scsipi/scsipi_all.h>
48 #include <dev/scsipi/scsiconf.h>
49
50 #include <dev/eisa/eisareg.h>
51 #include <dev/eisa/eisavar.h>
52 #include <dev/eisa/eisadevs.h>
53
54 #include <dev/ic/aic7xxx_osm.h>
55 #include <dev/ic/aic7xxx_inline.h>
56 #include <dev/ic/aic77xxreg.h>
57 #include <dev/ic/aic77xxvar.h>
58
59 static int ahc_eisa_match(struct device *, struct cfdata *, void *);
60 static void ahc_eisa_attach(struct device *, struct device *, void *);
61
62
63 CFATTACH_DECL(ahc_eisa, sizeof(struct ahc_softc),
64 ahc_eisa_match, ahc_eisa_attach, NULL, NULL);
65
66 /*
67 * Check the slots looking for a board we recognise
68 * If we find one, note it's address (slot) and call
69 * the actual probe routine to check it out.
70 */
71 static int
72 ahc_eisa_match(struct device *parent, struct cfdata *match,
73 void *aux)
74 {
75 struct eisa_attach_args *ea = aux;
76 bus_space_tag_t iot = ea->ea_iot;
77 bus_space_handle_t ioh;
78 int irq;
79
80 /* must match one of our known ID strings */
81 if (strcmp(ea->ea_idstring, "ADP7770") &&
82 strcmp(ea->ea_idstring, "ADP7771"))
83 return (0);
84
85 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
86 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh))
87 return (0);
88
89 irq = ahc_aic77xx_irq(iot, ioh);
90
91 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE);
92
93 return (irq >= 0);
94 }
95
96 static void
97 ahc_eisa_attach(struct device *parent, struct device *self, void *aux)
98 {
99 struct ahc_softc *ahc = device_private(self);
100 struct eisa_attach_args *ea = aux;
101 eisa_chipset_tag_t ec = ea->ea_ec;
102 eisa_intr_handle_t ih;
103 bus_space_tag_t iot = ea->ea_iot;
104 bus_space_handle_t ioh;
105 int irq, intrtype;
106 const char *intrstr, *intrtypestr;
107 u_int biosctrl;
108 u_int scsiconf;
109 u_int scsiconf1;
110 u_char intdef;
111 #ifdef AHC_DEBUG
112 int i;
113 #endif
114
115 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) +
116 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) {
117 aprint_error_dev(&ahc->sc_dev, "could not map I/O addresses");
118 return;
119 }
120 if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) {
121 aprint_error_dev(&ahc->sc_dev, "ahc_aic77xx_irq failed!");
122 goto free_io;
123 }
124
125 if (strcmp(ea->ea_idstring, "ADP7770") == 0) {
126 printf(": %s\n", EISA_PRODUCT_ADP7770);
127 } else if (strcmp(ea->ea_idstring, "ADP7771") == 0) {
128 printf(": %s\n", EISA_PRODUCT_ADP7771);
129 } else {
130 printf(": Unknown device type %s", ea->ea_idstring);
131 goto free_io;
132 }
133
134 ahc_set_name(ahc, device_xname(&ahc->sc_dev));
135 ahc->parent_dmat = ea->ea_dmat;
136 ahc->chip = AHC_AIC7770|AHC_EISA;
137 ahc->features = AHC_AIC7770_FE;
138 ahc->flags = AHC_PAGESCBS;
139 ahc->bugs = AHC_TMODE_WIDEODD_BUG;
140 ahc->tag = iot;
141 ahc->bsh = ioh;
142 ahc->channel = 'A';
143
144 if (ahc_softc_init(ahc) != 0)
145 goto free_io;
146
147 ahc_intr_enable(ahc, FALSE);
148
149 if (ahc_reset(ahc) != 0)
150 goto free_io;
151
152 if (eisa_intr_map(ec, irq, &ih)) {
153 aprint_error_dev(&ahc->sc_dev, "couldn't map interrupt (%d)\n",
154 irq);
155 goto free_io;
156 }
157
158 intdef = bus_space_read_1(iot, ioh, INTDEF);
159
160 if (intdef & EDGE_TRIG) {
161 intrtype = IST_EDGE;
162 intrtypestr = "edge triggered";
163 } else {
164 intrtype = IST_LEVEL;
165 intrtypestr = "level sensitive";
166 }
167 intrstr = eisa_intr_string(ec, ih);
168 ahc->ih = eisa_intr_establish(ec, ih,
169 intrtype, IPL_BIO, ahc_intr, ahc);
170 if (ahc->ih == NULL) {
171 aprint_error_dev(&ahc->sc_dev, "couldn't establish %s interrupt",
172 intrtypestr);
173 if (intrstr != NULL)
174 printf(" at %s", intrstr);
175 printf("\n");
176 goto free_io;
177 }
178 if (intrstr != NULL)
179 printf("%s: %s interrupting at %s\n", device_xname(&ahc->sc_dev),
180 intrtypestr, intrstr);
181
182 /*
183 * Now that we know we own the resources we need, do the
184 * card initialization.
185 *
186 * First, the aic7770 card specific setup.
187 */
188 biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL);
189 scsiconf = ahc_inb(ahc, SCSICONF);
190 scsiconf1 = ahc_inb(ahc, SCSICONF + 1);
191
192 #ifdef AHC_DEBUG
193 for (i = TARG_SCSIRATE; i <= HA_274_BIOSCTRL; i+=8) {
194 printf("0x%x, 0x%x, 0x%x, 0x%x, "
195 "0x%x, 0x%x, 0x%x, 0x%x\n",
196 ahc_inb(ahc, i),
197 ahc_inb(ahc, i+1),
198 ahc_inb(ahc, i+2),
199 ahc_inb(ahc, i+3),
200 ahc_inb(ahc, i+4),
201 ahc_inb(ahc, i+5),
202 ahc_inb(ahc, i+6),
203 ahc_inb(ahc, i+7));
204 }
205 #endif
206
207 /* Get the primary channel information */
208 if ((biosctrl & CHANNEL_B_PRIMARY) != 0)
209 ahc->flags |= AHC_PRIMARY_CHANNEL;
210
211 if ((biosctrl & BIOSMODE) == BIOSDISABLED) {
212 ahc->flags |= AHC_USEDEFAULTS;
213 } else if ((ahc->features & AHC_WIDE) != 0) {
214 ahc->our_id = scsiconf1 & HWSCSIID;
215 if (scsiconf & TERM_ENB)
216 ahc->flags |= AHC_TERM_ENB_A;
217 } else {
218 ahc->our_id = scsiconf & HSCSIID;
219 ahc->our_id_b = scsiconf1 & HSCSIID;
220 if (scsiconf & TERM_ENB)
221 ahc->flags |= AHC_TERM_ENB_A;
222 if (scsiconf1 & TERM_ENB)
223 ahc->flags |= AHC_TERM_ENB_B;
224 }
225 if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS))
226 ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B;
227
228 /* Attach sub-devices */
229 if (ahc_aic77xx_attach(ahc) == 0)
230 return; /* succeed */
231
232 /* failed */
233 eisa_intr_disestablish(ec, ahc->ih);
234 free_io:
235 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE);
236 }
Cache object: 57816fd94af8dd382733c765125ee943
|