adw_pci.c revision 1.16 1 /* $NetBSD: adw_pci.c,v 1.16 2005/06/28 00:28:41 thorpej 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 1.16 2005/06/28 00:28:41 thorpej 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 <machine/bus.h>
61 #include <machine/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, void *aux)
87 {
88 struct pci_attach_args *pa = aux;
89
90 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
91 switch (PCI_PRODUCT(pa->pa_id)) {
92 case PCI_PRODUCT_ADVSYS_WIDE:
93 case PCI_PRODUCT_ADVSYS_U2W:
94 case PCI_PRODUCT_ADVSYS_U3W:
95 return (1);
96 }
97
98 return 0;
99 }
100
101
102 static void
103 adw_pci_attach(struct device *parent, struct device *self, void *aux)
104 {
105 struct pci_attach_args *pa = aux;
106 ADW_SOFTC *sc = (void *) self;
107 bus_space_tag_t iot;
108 bus_space_handle_t ioh;
109 pci_intr_handle_t ih;
110 pci_chipset_tag_t pc = pa->pa_pc;
111 u_int32_t command;
112 const char *intrstr;
113
114 aprint_naive(": SCSI controller\n");
115
116 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
117 switch (PCI_PRODUCT(pa->pa_id)) {
118 case PCI_PRODUCT_ADVSYS_WIDE:
119 sc->chip_type = ADW_CHIP_ASC3550;
120 aprint_normal(
121 ": AdvanSys ASB-3940UW-00 SCSI adapter\n");
122 break;
123
124 case PCI_PRODUCT_ADVSYS_U2W:
125 sc->chip_type = ADW_CHIP_ASC38C0800;
126 aprint_normal(
127 ": AdvanSys ASB-3940U2W-00 SCSI adapter\n");
128 break;
129
130 case PCI_PRODUCT_ADVSYS_U3W:
131 sc->chip_type = ADW_CHIP_ASC38C1600;
132 aprint_normal(
133 ": AdvanSys ASB-3940U3W-00 SCSI adapter\n");
134 break;
135
136 default:
137 aprint_error(": unknown model!\n");
138 return;
139 }
140
141
142 /*
143 * Make sure IO/MEM/MASTER are enabled
144 */
145 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
146 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
147 PCI_COMMAND_MASTER_ENABLE;
148 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
149
150 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) {
151 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
152 }
153 /*
154 * Map Device Registers for I/O
155 */
156 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
157 &iot, &ioh, NULL, NULL)) {
158 aprint_error("%s: unable to map device registers\n",
159 sc->sc_dev.dv_xname);
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("%s: adw_init failed", sc->sc_dev.dv_xname);
171 return;
172 }
173
174 /*
175 * Map Interrupt line
176 */
177 if (pci_intr_map(pa, &ih)) {
178 aprint_error("%s: couldn't map interrupt\n",
179 sc->sc_dev.dv_xname);
180 return;
181 }
182 intrstr = pci_intr_string(pc, ih);
183
184 /*
185 * Establish Interrupt handler
186 */
187 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc);
188 if (sc->sc_ih == NULL) {
189 aprint_error("%s: couldn't establish interrupt",
190 sc->sc_dev.dv_xname);
191 if (intrstr != NULL)
192 aprint_normal(" at %s", intrstr);
193 aprint_normal("\n");
194 return;
195 }
196 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
197
198 /*
199 * Attach all the sub-devices we can find
200 */
201 adw_attach(sc);
202 }
203
204 CFATTACH_DECL(adw_pci, sizeof(ADW_SOFTC),
205 adw_pci_match, adw_pci_attach, NULL, NULL);
206