adw_pci.c revision 1.5
1 /* $NetBSD: adw_pci.c,v 1.5 2000/04/30 18:52:14 dante 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/types.h> 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/malloc.h> 54 #include <sys/kernel.h> 55 #include <sys/queue.h> 56 #include <sys/device.h> 57 58 #include <machine/bus.h> 59 #include <machine/intr.h> 60 61 #include <dev/scsipi/scsi_all.h> 62 #include <dev/scsipi/scsipi_all.h> 63 #include <dev/scsipi/scsiconf.h> 64 65 #include <dev/pci/pcireg.h> 66 #include <dev/pci/pcivar.h> 67 #include <dev/pci/pcidevs.h> 68 69 #include <dev/ic/adwlib.h> 70 #include <dev/ic/adw.h> 71 72 /******************************************************************************/ 73 74 #define PCI_BASEADR_IO 0x10 75 76 /******************************************************************************/ 77 78 int adw_pci_match __P((struct device *, struct cfdata *, void *)); 79 void adw_pci_attach __P((struct device *, struct device *, void *)); 80 81 struct cfattach adw_pci_ca = 82 { 83 sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach 84 }; 85 86 /******************************************************************************/ 87 /* 88 * Check the slots looking for a board we recognise 89 * If we find one, note it's address (slot) and call 90 * the actual probe routine to check it out. 91 */ 92 int 93 adw_pci_match(parent, match, aux) 94 struct device *parent; 95 struct cfdata *match; 96 void *aux; 97 { 98 struct pci_attach_args *pa = aux; 99 100 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 101 switch (PCI_PRODUCT(pa->pa_id)) { 102 case PCI_PRODUCT_ADVSYS_WIDE: 103 return (1); 104 case PCI_PRODUCT_ADVSYS_U2W: 105 return (1); 106 case PCI_PRODUCT_ADVSYS_U3W: 107 return (1); 108 } 109 110 return 0; 111 } 112 113 114 void 115 adw_pci_attach(parent, self, aux) 116 struct device *parent, *self; 117 void *aux; 118 { 119 struct pci_attach_args *pa = aux; 120 ADW_SOFTC *sc = (void *) self; 121 bus_space_tag_t iot; 122 bus_space_handle_t ioh; 123 pci_intr_handle_t ih; 124 pci_chipset_tag_t pc = pa->pa_pc; 125 u_int32_t command; 126 const char *intrstr; 127 128 129 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 = ADV_CHIP_ASC3550; 133 printf(": AdvanSys ASB-3940UW-00 SCSI adapter\n"); 134 break; 135 136 case PCI_PRODUCT_ADVSYS_U2W: 137 sc->chip_type = ADV_CHIP_ASC38C0800; 138 printf(": AdvanSys ASB-3940U2W SCSI adapter\n"); 139 break; 140 141 case PCI_PRODUCT_ADVSYS_U3W: 142 sc->chip_type = ADV_CHIP_ASC38C1600; 143 printf(": AdvanSys ASB-3940U3W SCSI adapter\n"); 144 break; 145 146 default: 147 printf(": unknown model!\n"); 148 return; 149 } 150 151 152 /* 153 * Make sure IO/MEM/MASTER are enabled 154 */ 155 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 156 if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 157 PCI_COMMAND_MASTER_ENABLE)) != 158 (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 159 PCI_COMMAND_MASTER_ENABLE)) { 160 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 161 command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 162 PCI_COMMAND_MASTER_ENABLE)); 163 } 164 /* 165 * Latency timer settings. 166 */ 167 { 168 u_int32_t bhlcr; 169 170 bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); 171 172 if( ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_WIDE) || 173 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_U2W) || 174 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_U3W)) && 175 (PCI_LATTIMER(bhlcr) < 0x20)) { 176 bhlcr &= 0xFFFF00FFUL; 177 bhlcr |= 0x00002000UL; 178 pci_conf_write(pa->pa_pc, pa->pa_tag, 179 PCI_BHLC_REG, bhlcr); 180 } 181 } 182 183 184 if (((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_WIDE) || 185 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_U2W) || 186 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_U3W)) && 187 (command & PCI_COMMAND_PARITY_ENABLE) == 0) { 188 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR; 189 } 190 /* 191 * Map Device Registers for I/O 192 */ 193 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, 194 &iot, &ioh, NULL, NULL)) { 195 printf("%s: unable to map device registers\n", 196 sc->sc_dev.dv_xname); 197 return; 198 } 199 sc->sc_iot = iot; 200 sc->sc_ioh = ioh; 201 sc->sc_dmat = pa->pa_dmat; 202 203 /* 204 * Initialize the board 205 */ 206 if (adw_init(sc)) 207 panic("adw_pci_attach: adw_init failed"); 208 209 /* 210 * Map Interrupt line 211 */ 212 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 213 pa->pa_intrline, &ih)) { 214 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 215 return; 216 } 217 intrstr = pci_intr_string(pc, ih); 218 219 /* 220 * Establish Interrupt handler 221 */ 222 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc); 223 if (sc->sc_ih == NULL) { 224 printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname); 225 if (intrstr != NULL) 226 printf(" at %s", intrstr); 227 printf("\n"); 228 return; 229 } 230 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 231 232 /* 233 * Attach all the sub-devices we can find 234 */ 235 adw_attach(sc); 236 } 237 /******************************************************************************/ 238
Indexes created Thu Oct 02 14:10:14 GMT 2025