1 /* $OpenBSD: adw_pci.c,v 1.21 2024/05/24 06:02:53 jsg 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 /*
32 * Device probe and attach routines for the following
33 * Advanced Systems Inc. SCSI controllers:
34 *
35 * ABP-940UW - Bus-Master PCI Ultra-Wide (253 CDB)
36 * ABP-940UW (68) - Bus-Master PCI Ultra-Wide (253 CDB)
37 * ABP-940UWD - Bus-Master PCI Ultra-Wide (253 CDB)
38 * ABP-970UW - Bus-Master PCI Ultra-Wide (253 CDB)
39 * ASB-3940UW - Bus-Master PCI Ultra-Wide (253 CDB)
40 * ASB-3940U2W-00 - Bus-Master PCI Ultra2-Wide (253 CDB)
41 * ASB-3940U3W-00 - Bus-Master PCI Ultra3-Wide (253 CDB)
42 */
43
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/queue.h>
47 #include <sys/device.h>
48
49 #include <machine/bus.h>
50
51 #include <scsi/scsi_all.h>
52 #include <scsi/scsiconf.h>
53
54 #include <dev/pci/pcireg.h>
55 #include <dev/pci/pcivar.h>
56 #include <dev/pci/pcidevs.h>
57
58 #include <dev/ic/adwlib.h>
59 #include <dev/microcode/adw/adwmcode.h>
60 #include <dev/ic/adw.h>
61
62 /******************************************************************************/
63
64 #define PCI_BASEADR_IO 0x10
65
66 /******************************************************************************/
67
68 int adw_pci_match(struct device *, void *, void *);
69 void adw_pci_attach(struct device *, struct device *, void *);
70
71 const struct cfattach adw_pci_ca =
72 {
73 sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach
74 };
75
76 const struct pci_matchid adw_pci_devices[] = {
77 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_WIDE },
78 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U2W },
79 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U3W },
80 };
81
82 /******************************************************************************/
83 /*
84 * Check the slots looking for a board we recognise
85 * If we find one, note its address (slot) and call
86 * the actual probe routine to check it out.
87 */
88 int
adw_pci_match(struct device * parent,void * match,void * aux)89 adw_pci_match(struct device *parent, void *match, void *aux)
90 {
91 return (pci_matchbyid((struct pci_attach_args *)aux, adw_pci_devices,
92 nitems(adw_pci_devices)));
93 }
94
95
96 void
adw_pci_attach(struct device * parent,struct device * self,void * aux)97 adw_pci_attach(struct device *parent, struct device *self, void *aux)
98 {
99 struct pci_attach_args *pa = aux;
100 ADW_SOFTC *sc = (void *) self;
101 bus_space_tag_t iot;
102 bus_space_handle_t ioh;
103 pci_intr_handle_t ih;
104 pci_chipset_tag_t pc = pa->pa_pc;
105 pcireg_t command;
106 const char *intrstr;
107
108 /*
109 * Set chip type
110 */
111 switch (PCI_PRODUCT(pa->pa_id)) {
112 case PCI_PRODUCT_ADVSYS_WIDE:
113 sc->chip_type = ADW_CHIP_ASC3550;
114 break;
115
116 case PCI_PRODUCT_ADVSYS_U2W:
117 sc->chip_type = ADW_CHIP_ASC38C0800;
118 break;
119
120 case PCI_PRODUCT_ADVSYS_U3W:
121 sc->chip_type = ADW_CHIP_ASC38C1600;
122 break;
123
124 default:
125 printf("\n%s: unknown model: %d\n", sc->sc_dev.dv_xname,
126 PCI_PRODUCT(pa->pa_id));
127 return;
128 }
129
130 command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
131 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0)
132 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
133
134 /*
135 * Map Device Registers for I/O
136 */
137 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
138 &iot, &ioh, NULL, NULL, 0)) {
139 printf("\n%s: unable to map device registers\n",
140 sc->sc_dev.dv_xname);
141 return;
142 }
143 sc->sc_iot = iot;
144 sc->sc_ioh = ioh;
145 sc->sc_dmat = pa->pa_dmat;
146
147 /*
148 * Initialize the board
149 */
150 if (adw_init(sc)) {
151 printf("%s: adw_init failed", sc->sc_dev.dv_xname);
152 return;
153 }
154
155 /*
156 * Map Interrupt line
157 */
158 if (pci_intr_map(pa, &ih)) {
159 printf("\n%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
160 return;
161 }
162 intrstr = pci_intr_string(pc, ih);
163
164 /*
165 * Establish Interrupt handler
166 */
167 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc,
168 sc->sc_dev.dv_xname);
169 if (sc->sc_ih == NULL) {
170 printf("\n%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
171 if (intrstr != NULL)
172 printf(" at %s", intrstr);
173 printf("\n");
174 return;
175 }
176 printf(": %s\n", intrstr);
177
178 /*
179 * Attach all the sub-devices we can find
180 */
181 adw_attach(sc);
182 }
183 /******************************************************************************/
184