1 /* $OpenBSD: adw_pci.c,v 1.14 2007/04/10 17:47:55 miod Exp $ */
2 /* $NetBSD: adw_pci.c,v 1.7 2000/05/26 15:13:46 dante Exp $ */
3
4 /*
5 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * Author: Baldassare Dante Profeta <dante@mclink.it>
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, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38 /*
39 * Device probe and attach routines for the following
40 * Advanced Systems Inc. SCSI controllers:
41 *
42 * ABP-940UW - Bus-Master PCI Ultra-Wide (253 CDB)
43 * ABP-940UW (68) - Bus-Master PCI Ultra-Wide (253 CDB)
44 * ABP-940UWD - Bus-Master PCI Ultra-Wide (253 CDB)
45 * ABP-970UW - Bus-Master PCI Ultra-Wide (253 CDB)
46 * ASB-3940UW - Bus-Master PCI Ultra-Wide (253 CDB)
47 * ASB-3940U2W-00 - Bus-Master PCI Ultra2-Wide (253 CDB)
48 * ASB-3940U3W-00 - Bus-Master PCI Ultra3-Wide (253 CDB)
49 */
50
51 #include <sys/types.h>
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/malloc.h>
55 #include <sys/kernel.h>
56 #include <sys/queue.h>
57 #include <sys/device.h>
58 #include <sys/timeout.h>
59
60 #include <machine/bus.h>
61 #include <machine/intr.h>
62
63 #include <scsi/scsi_all.h>
64 #include <scsi/scsiconf.h>
65
66 #include <dev/pci/pcireg.h>
67 #include <dev/pci/pcivar.h>
68 #include <dev/pci/pcidevs.h>
69
70 #include <dev/ic/adwlib.h>
71 #include <dev/microcode/adw/adwmcode.h>
72 #include <dev/ic/adw.h>
73
74 /******************************************************************************/
75
76 #define PCI_BASEADR_IO 0x10
77
78 /******************************************************************************/
79
80 int adw_pci_match(struct device *, void *, void *);
81 void adw_pci_attach(struct device *, struct device *, void *);
82
83 struct cfattach adw_pci_ca =
84 {
85 sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach
86 };
87
88 const struct pci_matchid adw_pci_devices[] = {
89 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_WIDE },
90 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U2W },
91 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U3W },
92 };
93
94 /******************************************************************************/
95 /*
96 * Check the slots looking for a board we recognise
97 * If we find one, note its address (slot) and call
98 * the actual probe routine to check it out.
99 */
100 int
101 adw_pci_match(parent, match, aux)
102 struct device *parent;
103 void *match;
104 void *aux;
105 {
106 return (pci_matchbyid((struct pci_attach_args *)aux, adw_pci_devices,
107 sizeof(adw_pci_devices)/sizeof(adw_pci_devices[0])));
108 }
109
110
111 void
112 adw_pci_attach(parent, self, aux)
113 struct device *parent, *self;
114 void *aux;
115 {
116 struct pci_attach_args *pa = aux;
117 ADW_SOFTC *sc = (void *) self;
118 bus_space_tag_t iot;
119 bus_space_handle_t ioh;
120 pci_intr_handle_t ih;
121 pci_chipset_tag_t pc = pa->pa_pc;
122 pcireg_t command;
123 const char *intrstr;
124
125 /*
126 * Set chip type
127 */
128 switch (PCI_PRODUCT(pa->pa_id)) {
129 case PCI_PRODUCT_ADVSYS_WIDE:
130 sc->chip_type = ADW_CHIP_ASC3550;
131 break;
132
133 case PCI_PRODUCT_ADVSYS_U2W:
134 sc->chip_type = ADW_CHIP_ASC38C0800;
135 break;
136
137 case PCI_PRODUCT_ADVSYS_U3W:
138 sc->chip_type = ADW_CHIP_ASC38C1600;
139 break;
140
141 default:
142 printf("\n%s: unknown model: %d\n", sc->sc_dev.dv_xname,
143 PCI_PRODUCT(pa->pa_id));
144 return;
145 }
146
147 command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
148 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0)
149 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
150
151 /*
152 * Map Device Registers for I/O
153 */
154 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
155 &iot, &ioh, NULL, NULL, 0)) {
156 printf("\n%s: unable to map device registers\n",
157 sc->sc_dev.dv_xname);
158 return;
159 }
160 sc->sc_iot = iot;
161 sc->sc_ioh = ioh;
162 sc->sc_dmat = pa->pa_dmat;
163
164 /*
165 * Initialize the board
166 */
167 if (adw_init(sc)) {
168 printf("%s: adw_init failed", sc->sc_dev.dv_xname);
169 return;
170 }
171
172 /*
173 * Map Interrupt line
174 */
175 if (pci_intr_map(pa, &ih)) {
176 printf("\n%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
177 return;
178 }
179 intrstr = pci_intr_string(pc, ih);
180
181 /*
182 * Establish Interrupt handler
183 */
184 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc,
185 sc->sc_dev.dv_xname);
186 if (sc->sc_ih == NULL) {
187 printf("\n%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
188 if (intrstr != NULL)
189 printf(" at %s", intrstr);
190 printf("\n");
191 return;
192 }
193 printf(": %s\n", intrstr);
194
195 /*
196 * Attach all the sub-devices we can find
197 */
198 adw_attach(sc);
199 }
200 /******************************************************************************/