1 /* $NetBSD: adw_pci.c,v 1.22 2008/04/28 20:23:54 martin 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 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 /* 31 * Device probe and attach routines for the following 32 * Advanced Systems Inc. SCSI controllers: 33 * 34 * ABP-940UW - Bus-Master PCI Ultra-Wide (253 CDB) 35 * ABP-940UW (68) - Bus-Master PCI Ultra-Wide (253 CDB) 36 * ABP-940UWD - Bus-Master PCI Ultra-Wide (253 CDB) 37 * ABP-970UW - Bus-Master PCI Ultra-Wide (253 CDB) 38 * ASB-3940UW - Bus-Master PCI Ultra-Wide (253 CDB) 39 * ASB-3940U2W-00 - Bus-Master PCI Ultra2-Wide (253 CDB) 40 * ASB-3940U3W-00 - Bus-Master PCI Ultra3-Wide (253 CDB) 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: adw_pci.c,v 1.22 2008/04/28 20:23:54 martin Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/malloc.h> 49 #include <sys/kernel.h> 50 #include <sys/queue.h> 51 #include <sys/device.h> 52 53 #include <sys/bus.h> 54 #include <sys/intr.h> 55 56 #include <dev/scsipi/scsi_all.h> 57 #include <dev/scsipi/scsipi_all.h> 58 #include <dev/scsipi/scsiconf.h> 59 60 #include <dev/pci/pcireg.h> 61 #include <dev/pci/pcivar.h> 62 #include <dev/pci/pcidevs.h> 63 64 #include <dev/ic/adwlib.h> 65 #include <dev/ic/adwmcode.h> 66 #include <dev/ic/adw.h> 67 68 /******************************************************************************/ 69 70 #define PCI_BASEADR_IO 0x10 71 72 /******************************************************************************/ 73 /* 74 * Check the slots looking for a board we recognise 75 * If we find one, note it's address (slot) and call 76 * the actual probe routine to check it out. 77 */ 78 static int 79 adw_pci_match(struct device *parent, struct cfdata *match, 80 void *aux) 81 { 82 struct pci_attach_args *pa = aux; 83 84 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 85 switch (PCI_PRODUCT(pa->pa_id)) { 86 case PCI_PRODUCT_ADVSYS_WIDE: 87 case PCI_PRODUCT_ADVSYS_U2W: 88 case PCI_PRODUCT_ADVSYS_U3W: 89 return (1); 90 } 91 92 return 0; 93 } 94 95 96 static void 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 u_int32_t command; 106 const char *intrstr; 107 108 aprint_naive(": SCSI controller\n"); 109 110 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 111 switch (PCI_PRODUCT(pa->pa_id)) { 112 case PCI_PRODUCT_ADVSYS_WIDE: 113 sc->chip_type = ADW_CHIP_ASC3550; 114 aprint_normal( 115 ": AdvanSys ASB-3940UW-00 SCSI adapter\n"); 116 break; 117 118 case PCI_PRODUCT_ADVSYS_U2W: 119 sc->chip_type = ADW_CHIP_ASC38C0800; 120 aprint_normal( 121 ": AdvanSys ASB-3940U2W-00 SCSI adapter\n"); 122 break; 123 124 case PCI_PRODUCT_ADVSYS_U3W: 125 sc->chip_type = ADW_CHIP_ASC38C1600; 126 aprint_normal( 127 ": AdvanSys ASB-3940U3W-00 SCSI adapter\n"); 128 break; 129 130 default: 131 aprint_error(": unknown model!\n"); 132 return; 133 } 134 135 136 /* 137 * Make sure IO/MEM/MASTER are enabled 138 */ 139 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 140 command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 141 PCI_COMMAND_MASTER_ENABLE; 142 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 143 144 if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) { 145 sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR; 146 } 147 /* 148 * Map Device Registers for I/O 149 */ 150 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, 151 &iot, &ioh, NULL, NULL)) { 152 aprint_error_dev(&sc->sc_dev, "unable to map device registers\n"); 153 return; 154 } 155 sc->sc_iot = iot; 156 sc->sc_ioh = ioh; 157 sc->sc_dmat = pa->pa_dmat; 158 159 /* 160 * Initialize the board 161 */ 162 if (adw_init(sc)) { 163 aprint_error_dev(&sc->sc_dev, "adw_init failed"); 164 return; 165 } 166 167 /* 168 * Map Interrupt line 169 */ 170 if (pci_intr_map(pa, &ih)) { 171 aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n"); 172 return; 173 } 174 intrstr = pci_intr_string(pc, ih); 175 176 /* 177 * Establish Interrupt handler 178 */ 179 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc); 180 if (sc->sc_ih == NULL) { 181 aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt"); 182 if (intrstr != NULL) 183 aprint_normal(" at %s", intrstr); 184 aprint_normal("\n"); 185 return; 186 } 187 aprint_normal_dev(&sc->sc_dev, "interrupting at %s\n", intrstr); 188 189 /* 190 * Attach all the sub-devices we can find 191 */ 192 adw_attach(sc); 193 } 194 195 CFATTACH_DECL(adw_pci, sizeof(ADW_SOFTC), 196 adw_pci_match, adw_pci_attach, NULL, NULL); 197