1 /* $OpenBSD: adw_pci.c,v 1.16 2011/04/03 15:36:02 jasper 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/types.h> 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/malloc.h> 48 #include <sys/kernel.h> 49 #include <sys/queue.h> 50 #include <sys/device.h> 51 #include <sys/timeout.h> 52 53 #include <machine/bus.h> 54 #include <machine/intr.h> 55 56 #include <scsi/scsi_all.h> 57 #include <scsi/scsiconf.h> 58 59 #include <dev/pci/pcireg.h> 60 #include <dev/pci/pcivar.h> 61 #include <dev/pci/pcidevs.h> 62 63 #include <dev/ic/adwlib.h> 64 #include <dev/microcode/adw/adwmcode.h> 65 #include <dev/ic/adw.h> 66 67 /******************************************************************************/ 68 69 #define PCI_BASEADR_IO 0x10 70 71 /******************************************************************************/ 72 73 int adw_pci_match(struct device *, void *, void *); 74 void adw_pci_attach(struct device *, struct device *, void *); 75 76 struct cfattach adw_pci_ca = 77 { 78 sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach 79 }; 80 81 const struct pci_matchid adw_pci_devices[] = { 82 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_WIDE }, 83 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U2W }, 84 { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U3W }, 85 }; 86 87 /******************************************************************************/ 88 /* 89 * Check the slots looking for a board we recognise 90 * If we find one, note its address (slot) and call 91 * the actual probe routine to check it out. 92 */ 93 int 94 adw_pci_match(parent, match, aux) 95 struct device *parent; 96 void *match; 97 void *aux; 98 { 99 return (pci_matchbyid((struct pci_attach_args *)aux, adw_pci_devices, 100 nitems(adw_pci_devices))); 101 } 102 103 104 void 105 adw_pci_attach(parent, self, aux) 106 struct device *parent, *self; 107 void *aux; 108 { 109 struct pci_attach_args *pa = aux; 110 ADW_SOFTC *sc = (void *) self; 111 bus_space_tag_t iot; 112 bus_space_handle_t ioh; 113 pci_intr_handle_t ih; 114 pci_chipset_tag_t pc = pa->pa_pc; 115 pcireg_t command; 116 const char *intrstr; 117 118 /* 119 * Set chip type 120 */ 121 switch (PCI_PRODUCT(pa->pa_id)) { 122 case PCI_PRODUCT_ADVSYS_WIDE: 123 sc->chip_type = ADW_CHIP_ASC3550; 124 break; 125 126 case PCI_PRODUCT_ADVSYS_U2W: 127 sc->chip_type = ADW_CHIP_ASC38C0800; 128 break; 129 130 case PCI_PRODUCT_ADVSYS_U3W: 131 sc->chip_type = ADW_CHIP_ASC38C1600; 132 break; 133 134 default: 135 printf("\n%s: unknown model: %d\n", sc->sc_dev.dv_xname, 136 PCI_PRODUCT(pa->pa_id)); 137 return; 138 } 139 140 command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 141 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) 142 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR; 143 144 /* 145 * Map Device Registers for I/O 146 */ 147 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, 148 &iot, &ioh, NULL, NULL, 0)) { 149 printf("\n%s: unable to map device registers\n", 150 sc->sc_dev.dv_xname); 151 return; 152 } 153 sc->sc_iot = iot; 154 sc->sc_ioh = ioh; 155 sc->sc_dmat = pa->pa_dmat; 156 157 /* 158 * Initialize the board 159 */ 160 if (adw_init(sc)) { 161 printf("%s: adw_init failed", sc->sc_dev.dv_xname); 162 return; 163 } 164 165 /* 166 * Map Interrupt line 167 */ 168 if (pci_intr_map(pa, &ih)) { 169 printf("\n%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 170 return; 171 } 172 intrstr = pci_intr_string(pc, ih); 173 174 /* 175 * Establish Interrupt handler 176 */ 177 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc, 178 sc->sc_dev.dv_xname); 179 if (sc->sc_ih == NULL) { 180 printf("\n%s: couldn't establish interrupt", sc->sc_dev.dv_xname); 181 if (intrstr != NULL) 182 printf(" at %s", intrstr); 183 printf("\n"); 184 return; 185 } 186 printf(": %s\n", intrstr); 187 188 /* 189 * Attach all the sub-devices we can find 190 */ 191 adw_attach(sc); 192 } 193 /******************************************************************************/ 194