adw_pci.c revision 1.21 1 /* $NetBSD: adw_pci.c,v 1.21 2008/04/10 19:13:36 cegger 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 1.21 2008/04/10 19:13:36 cegger Exp $");
52
53 #include <sys/param.h>
54 #include <sys/systm.h>
55 #include <sys/malloc.h>
56 #include <sys/kernel.h>
57 #include <sys/queue.h>
58 #include <sys/device.h>
59
60 #include <sys/bus.h>
61 #include <sys/intr.h>
62
63 #include <dev/scsipi/scsi_all.h>
64 #include <dev/scsipi/scsipi_all.h>
65 #include <dev/scsipi/scsiconf.h>
66
67 #include <dev/pci/pcireg.h>
68 #include <dev/pci/pcivar.h>
69 #include <dev/pci/pcidevs.h>
70
71 #include <dev/ic/adwlib.h>
72 #include <dev/ic/adwmcode.h>
73 #include <dev/ic/adw.h>
74
75 /******************************************************************************/
76
77 #define PCI_BASEADR_IO 0x10
78
79 /******************************************************************************/
80 /*
81 * Check the slots looking for a board we recognise
82 * If we find one, note it's address (slot) and call
83 * the actual probe routine to check it out.
84 */
85 static int
86 adw_pci_match(struct device *parent, struct cfdata *match,
87 void *aux)
88 {
89 struct pci_attach_args *pa = aux;
90
91 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
92 switch (PCI_PRODUCT(pa->pa_id)) {
93 case PCI_PRODUCT_ADVSYS_WIDE:
94 case PCI_PRODUCT_ADVSYS_U2W:
95 case PCI_PRODUCT_ADVSYS_U3W:
96 return (1);
97 }
98
99 return 0;
100 }
101
102
103 static void
104 adw_pci_attach(struct device *parent, struct device *self, void *aux)
105 {
106 struct pci_attach_args *pa = aux;
107 ADW_SOFTC *sc = (void *) self;
108 bus_space_tag_t iot;
109 bus_space_handle_t ioh;
110 pci_intr_handle_t ih;
111 pci_chipset_tag_t pc = pa->pa_pc;
112 u_int32_t command;
113 const char *intrstr;
114
115 aprint_naive(": SCSI controller\n");
116
117 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
118 switch (PCI_PRODUCT(pa->pa_id)) {
119 case PCI_PRODUCT_ADVSYS_WIDE:
120 sc->chip_type = ADW_CHIP_ASC3550;
121 aprint_normal(
122 ": AdvanSys ASB-3940UW-00 SCSI adapter\n");
123 break;
124
125 case PCI_PRODUCT_ADVSYS_U2W:
126 sc->chip_type = ADW_CHIP_ASC38C0800;
127 aprint_normal(
128 ": AdvanSys ASB-3940U2W-00 SCSI adapter\n");
129 break;
130
131 case PCI_PRODUCT_ADVSYS_U3W:
132 sc->chip_type = ADW_CHIP_ASC38C1600;
133 aprint_normal(
134 ": AdvanSys ASB-3940U3W-00 SCSI adapter\n");
135 break;
136
137 default:
138 aprint_error(": unknown model!\n");
139 return;
140 }
141
142
143 /*
144 * Make sure IO/MEM/MASTER are enabled
145 */
146 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
147 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
148 PCI_COMMAND_MASTER_ENABLE;
149 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
150
151 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) {
152 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
153 }
154 /*
155 * Map Device Registers for I/O
156 */
157 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
158 &iot, &ioh, NULL, NULL)) {
159 aprint_error_dev(&sc->sc_dev, "unable to map device registers\n");
160 return;
161 }
162 sc->sc_iot = iot;
163 sc->sc_ioh = ioh;
164 sc->sc_dmat = pa->pa_dmat;
165
166 /*
167 * Initialize the board
168 */
169 if (adw_init(sc)) {
170 aprint_error_dev(&sc->sc_dev, "adw_init failed");
171 return;
172 }
173
174 /*
175 * Map Interrupt line
176 */
177 if (pci_intr_map(pa, &ih)) {
178 aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n");
179 return;
180 }
181 intrstr = pci_intr_string(pc, ih);
182
183 /*
184 * Establish Interrupt handler
185 */
186 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc);
187 if (sc->sc_ih == NULL) {
188 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt");
189 if (intrstr != NULL)
190 aprint_normal(" at %s", intrstr);
191 aprint_normal("\n");
192 return;
193 }
194 aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr);
195
196 /*
197 * Attach all the sub-devices we can find
198 */
199 adw_attach(sc);
200 }
201
202 CFATTACH_DECL(adw_pci, sizeof(ADW_SOFTC),
203 adw_pci_match, adw_pci_attach, NULL, NULL);
204