adw_pci.c revision 1.8 1 /* $NetBSD: adw_pci.c,v 1.8 2000/12/28 22:59:11 sommerfeld Exp $ */
2
3 /*
4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Author: Baldassare Dante Profeta <dante (at) mclink.it>
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 by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND 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 THE FOUNDATION OR CONTRIBUTORS
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 * Device probe and attach routines for the following
39 * Advanced Systems Inc. SCSI controllers:
40 *
41 * ABP-940UW - Bus-Master PCI Ultra-Wide (253 CDB)
42 * ABP-940UW (68) - Bus-Master PCI Ultra-Wide (253 CDB)
43 * ABP-940UWD - Bus-Master PCI Ultra-Wide (253 CDB)
44 * ABP-970UW - Bus-Master PCI Ultra-Wide (253 CDB)
45 * ASB-3940UW - Bus-Master PCI Ultra-Wide (253 CDB)
46 * ASB-3940U2W-00 - Bus-Master PCI Ultra2-Wide (253 CDB)
47 * ASB-3940U3W-00 - Bus-Master PCI Ultra3-Wide (253 CDB)
48 */
49
50 #include <sys/types.h>
51 #include <sys/param.h>
52 #include <sys/systm.h>
53 #include <sys/malloc.h>
54 #include <sys/kernel.h>
55 #include <sys/queue.h>
56 #include <sys/device.h>
57
58 #include <machine/bus.h>
59 #include <machine/intr.h>
60
61 #include <dev/scsipi/scsi_all.h>
62 #include <dev/scsipi/scsipi_all.h>
63 #include <dev/scsipi/scsiconf.h>
64
65 #include <dev/pci/pcireg.h>
66 #include <dev/pci/pcivar.h>
67 #include <dev/pci/pcidevs.h>
68
69 #include <dev/ic/adwlib.h>
70 #include <dev/ic/adwmcode.h>
71 #include <dev/ic/adw.h>
72
73 /******************************************************************************/
74
75 #define PCI_BASEADR_IO 0x10
76
77 /******************************************************************************/
78
79 static int adw_pci_match __P((struct device *, struct cfdata *, void *));
80 static void adw_pci_attach __P((struct device *, struct device *, void *));
81
82 struct cfattach adw_pci_ca =
83 {
84 sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach
85 };
86
87 /******************************************************************************/
88 /*
89 * Check the slots looking for a board we recognise
90 * If we find one, note it's address (slot) and call
91 * the actual probe routine to check it out.
92 */
93 static int
94 adw_pci_match(parent, match, aux)
95 struct device *parent;
96 struct cfdata *match;
97 void *aux;
98 {
99 struct pci_attach_args *pa = aux;
100
101 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
102 switch (PCI_PRODUCT(pa->pa_id)) {
103 case PCI_PRODUCT_ADVSYS_WIDE:
104 case PCI_PRODUCT_ADVSYS_U2W:
105 case PCI_PRODUCT_ADVSYS_U3W:
106 return (1);
107 }
108
109 return 0;
110 }
111
112
113 static void
114 adw_pci_attach(parent, self, aux)
115 struct device *parent, *self;
116 void *aux;
117 {
118 struct pci_attach_args *pa = aux;
119 ADW_SOFTC *sc = (void *) self;
120 bus_space_tag_t iot;
121 bus_space_handle_t ioh;
122 pci_intr_handle_t ih;
123 pci_chipset_tag_t pc = pa->pa_pc;
124 u_int32_t command;
125 const char *intrstr;
126
127
128 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
129 switch (PCI_PRODUCT(pa->pa_id)) {
130 case PCI_PRODUCT_ADVSYS_WIDE:
131 sc->chip_type = ADW_CHIP_ASC3550;
132 printf(": AdvanSys ASB-3940UW-00 SCSI adapter\n");
133 break;
134
135 case PCI_PRODUCT_ADVSYS_U2W:
136 sc->chip_type = ADW_CHIP_ASC38C0800;
137 printf(": AdvanSys ASB-3940U2W-00 SCSI adapter\n");
138 break;
139
140 case PCI_PRODUCT_ADVSYS_U3W:
141 sc->chip_type = ADW_CHIP_ASC38C1600;
142 printf(": AdvanSys ASB-3940U3W-00 SCSI adapter\n");
143 break;
144
145 default:
146 printf(": unknown model!\n");
147 return;
148 }
149
150
151 /*
152 * Make sure IO/MEM/MASTER are enabled
153 */
154 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
155 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
156 PCI_COMMAND_MASTER_ENABLE;
157 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
158
159 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) {
160 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
161 }
162 /*
163 * Map Device Registers for I/O
164 */
165 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
166 &iot, &ioh, NULL, NULL)) {
167 printf("%s: unable to map device registers\n",
168 sc->sc_dev.dv_xname);
169 return;
170 }
171 sc->sc_iot = iot;
172 sc->sc_ioh = ioh;
173 sc->sc_dmat = pa->pa_dmat;
174
175 /*
176 * Initialize the board
177 */
178 if (adw_init(sc)) {
179 printf("%s: adw_init failed", sc->sc_dev.dv_xname);
180 return;
181 }
182
183 /*
184 * Map Interrupt line
185 */
186 if (pci_intr_map(pa, &ih)) {
187 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
188 return;
189 }
190 intrstr = pci_intr_string(pc, ih);
191
192 /*
193 * Establish Interrupt handler
194 */
195 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc);
196 if (sc->sc_ih == NULL) {
197 printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
198 if (intrstr != NULL)
199 printf(" at %s", intrstr);
200 printf("\n");
201 return;
202 }
203 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
204
205 /*
206 * Attach all the sub-devices we can find
207 */
208 adw_attach(sc);
209 }
210 /******************************************************************************/
211