adw_pci.c revision 1.8.2.1 1 /* $NetBSD: adw_pci.c,v 1.8.2.1 2001/11/14 19:15:06 nathanw 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/cdefs.h>
51 __KERNEL_RCSID(0, "$NetBSD: adw_pci.c,v 1.8.2.1 2001/11/14 19:15:06 nathanw Exp $");
52
53 #include <sys/types.h>
54 #include <sys/param.h>
55 #include <sys/systm.h>
56 #include <sys/malloc.h>
57 #include <sys/kernel.h>
58 #include <sys/queue.h>
59 #include <sys/device.h>
60
61 #include <machine/bus.h>
62 #include <machine/intr.h>
63
64 #include <dev/scsipi/scsi_all.h>
65 #include <dev/scsipi/scsipi_all.h>
66 #include <dev/scsipi/scsiconf.h>
67
68 #include <dev/pci/pcireg.h>
69 #include <dev/pci/pcivar.h>
70 #include <dev/pci/pcidevs.h>
71
72 #include <dev/ic/adwlib.h>
73 #include <dev/ic/adwmcode.h>
74 #include <dev/ic/adw.h>
75
76 /******************************************************************************/
77
78 #define PCI_BASEADR_IO 0x10
79
80 /******************************************************************************/
81
82 static int adw_pci_match __P((struct device *, struct cfdata *, void *));
83 static void adw_pci_attach __P((struct device *, struct device *, void *));
84
85 struct cfattach adw_pci_ca =
86 {
87 sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach
88 };
89
90 /******************************************************************************/
91 /*
92 * Check the slots looking for a board we recognise
93 * If we find one, note it's address (slot) and call
94 * the actual probe routine to check it out.
95 */
96 static int
97 adw_pci_match(parent, match, aux)
98 struct device *parent;
99 struct cfdata *match;
100 void *aux;
101 {
102 struct pci_attach_args *pa = aux;
103
104 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
105 switch (PCI_PRODUCT(pa->pa_id)) {
106 case PCI_PRODUCT_ADVSYS_WIDE:
107 case PCI_PRODUCT_ADVSYS_U2W:
108 case PCI_PRODUCT_ADVSYS_U3W:
109 return (1);
110 }
111
112 return 0;
113 }
114
115
116 static void
117 adw_pci_attach(parent, self, aux)
118 struct device *parent, *self;
119 void *aux;
120 {
121 struct pci_attach_args *pa = aux;
122 ADW_SOFTC *sc = (void *) self;
123 bus_space_tag_t iot;
124 bus_space_handle_t ioh;
125 pci_intr_handle_t ih;
126 pci_chipset_tag_t pc = pa->pa_pc;
127 u_int32_t command;
128 const char *intrstr;
129
130
131 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
132 switch (PCI_PRODUCT(pa->pa_id)) {
133 case PCI_PRODUCT_ADVSYS_WIDE:
134 sc->chip_type = ADW_CHIP_ASC3550;
135 printf(": AdvanSys ASB-3940UW-00 SCSI adapter\n");
136 break;
137
138 case PCI_PRODUCT_ADVSYS_U2W:
139 sc->chip_type = ADW_CHIP_ASC38C0800;
140 printf(": AdvanSys ASB-3940U2W-00 SCSI adapter\n");
141 break;
142
143 case PCI_PRODUCT_ADVSYS_U3W:
144 sc->chip_type = ADW_CHIP_ASC38C1600;
145 printf(": AdvanSys ASB-3940U3W-00 SCSI adapter\n");
146 break;
147
148 default:
149 printf(": unknown model!\n");
150 return;
151 }
152
153
154 /*
155 * Make sure IO/MEM/MASTER are enabled
156 */
157 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
158 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
159 PCI_COMMAND_MASTER_ENABLE;
160 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
161
162 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) {
163 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
164 }
165 /*
166 * Map Device Registers for I/O
167 */
168 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
169 &iot, &ioh, NULL, NULL)) {
170 printf("%s: unable to map device registers\n",
171 sc->sc_dev.dv_xname);
172 return;
173 }
174 sc->sc_iot = iot;
175 sc->sc_ioh = ioh;
176 sc->sc_dmat = pa->pa_dmat;
177
178 /*
179 * Initialize the board
180 */
181 if (adw_init(sc)) {
182 printf("%s: adw_init failed", sc->sc_dev.dv_xname);
183 return;
184 }
185
186 /*
187 * Map Interrupt line
188 */
189 if (pci_intr_map(pa, &ih)) {
190 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
191 return;
192 }
193 intrstr = pci_intr_string(pc, ih);
194
195 /*
196 * Establish Interrupt handler
197 */
198 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc);
199 if (sc->sc_ih == NULL) {
200 printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
201 if (intrstr != NULL)
202 printf(" at %s", intrstr);
203 printf("\n");
204 return;
205 }
206 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
207
208 /*
209 * Attach all the sub-devices we can find
210 */
211 adw_attach(sc);
212 }
213 /******************************************************************************/
214