1 /* $NetBSD: adw_pci.c,v 1.14 2003/01/31 00:07:39 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@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 1.14 2003/01/31 00:07:39 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 static int adw_pci_match __P((struct device *, struct cfdata *, void *)); 82 static void adw_pci_attach __P((struct device *, struct device *, void *)); 83 84 CFATTACH_DECL(adw_pci, sizeof(ADW_SOFTC), 85 adw_pci_match, adw_pci_attach, NULL, NULL); 86 87 /******************************************************************************/ 88 /* 89 * Check the slots looking for a board we recognise 90 * If we find one, note it's address (slot) and call 91 * the actual probe routine to check it out. 92 */ 93 static int 94 adw_pci_match(parent, match, aux) 95 struct device *parent; 96 struct cfdata *match; 97 void *aux; 98 { 99 struct pci_attach_args *pa = aux; 100 101 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 102 switch (PCI_PRODUCT(pa->pa_id)) { 103 case PCI_PRODUCT_ADVSYS_WIDE: 104 case PCI_PRODUCT_ADVSYS_U2W: 105 case PCI_PRODUCT_ADVSYS_U3W: 106 return (1); 107 } 108 109 return 0; 110 } 111 112 113 static void 114 adw_pci_attach(parent, self, aux) 115 struct device *parent, *self; 116 void *aux; 117 { 118 struct pci_attach_args *pa = aux; 119 ADW_SOFTC *sc = (void *) self; 120 bus_space_tag_t iot; 121 bus_space_handle_t ioh; 122 pci_intr_handle_t ih; 123 pci_chipset_tag_t pc = pa->pa_pc; 124 u_int32_t command; 125 const char *intrstr; 126 127 aprint_naive(": SCSI controller\n"); 128 129 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 130 switch (PCI_PRODUCT(pa->pa_id)) { 131 case PCI_PRODUCT_ADVSYS_WIDE: 132 sc->chip_type = ADW_CHIP_ASC3550; 133 aprint_normal( 134 ": AdvanSys ASB-3940UW-00 SCSI adapter\n"); 135 break; 136 137 case PCI_PRODUCT_ADVSYS_U2W: 138 sc->chip_type = ADW_CHIP_ASC38C0800; 139 aprint_normal( 140 ": AdvanSys ASB-3940U2W-00 SCSI adapter\n"); 141 break; 142 143 case PCI_PRODUCT_ADVSYS_U3W: 144 sc->chip_type = ADW_CHIP_ASC38C1600; 145 aprint_normal( 146 ": AdvanSys ASB-3940U3W-00 SCSI adapter\n"); 147 break; 148 149 default: 150 aprint_error(": unknown model!\n"); 151 return; 152 } 153 154 155 /* 156 * Make sure IO/MEM/MASTER are enabled 157 */ 158 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 159 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 160 PCI_COMMAND_MASTER_ENABLE; 161 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 162 163 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) { 164 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR; 165 } 166 /* 167 * Map Device Registers for I/O 168 */ 169 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, 170 &iot, &ioh, NULL, NULL)) { 171 aprint_error("%s: unable to map device registers\n", 172 sc->sc_dev.dv_xname); 173 return; 174 } 175 sc->sc_iot = iot; 176 sc->sc_ioh = ioh; 177 sc->sc_dmat = pa->pa_dmat; 178 179 /* 180 * Initialize the board 181 */ 182 if (adw_init(sc)) { 183 aprint_error("%s: adw_init failed", sc->sc_dev.dv_xname); 184 return; 185 } 186 187 /* 188 * Map Interrupt line 189 */ 190 if (pci_intr_map(pa, &ih)) { 191 aprint_error("%s: couldn't map interrupt\n", 192 sc->sc_dev.dv_xname); 193 return; 194 } 195 intrstr = pci_intr_string(pc, ih); 196 197 /* 198 * Establish Interrupt handler 199 */ 200 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc); 201 if (sc->sc_ih == NULL) { 202 aprint_error("%s: couldn't establish interrupt", 203 sc->sc_dev.dv_xname); 204 if (intrstr != NULL) 205 aprint_normal(" at %s", intrstr); 206 aprint_normal("\n"); 207 return; 208 } 209 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 210 211 /* 212 * Attach all the sub-devices we can find 213 */ 214 adw_attach(sc); 215 } 216 /******************************************************************************/ 217