1 /* $NetBSD: adv_pci.c,v 1.13 2002/10/02 16:50:59 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved. 5 * 6 * Author: Baldassare Dante Profeta <dante@mclink.it> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the NetBSD 19 * Foundation, Inc. and its contributors. 20 * 4. Neither the name of The NetBSD Foundation nor the names of its 21 * contributors may be used to endorse or promote products derived 22 * from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 /* 37 * Device probe and attach routines for the following 38 * Advanced Systems Inc. SCSI controllers: 39 * 40 * Connectivity Products: 41 * ABP920 - Bus-Master PCI (16 CDB) 42 * ABP930 - Bus-Master PCI (16 CDB) (Footnote 1) 43 * ABP930U - Bus-Master PCI Ultra (16 CDB) 44 * ABP930UA - Bus-Master PCI Ultra (16 CDB) 45 * ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2) 46 * ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) (Footnote 2) 47 * 48 * Single Channel Products: 49 * ABP940 - Bus-Master PCI (240 CDB) 50 * ABP940U - Bus-Master PCI Ultra (240 CDB) 51 * ABP970 - Bus-Master PCI MAC/PC (240 CDB) 52 * ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB) 53 * ABP940UW - Bus-Master PCI Ultra-Wide (240 CDB) 54 * 55 * Multi Channel Products: 56 * ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel) 57 * ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel) 58 * ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel) 59 * 60 * Footnotes: 61 * 1. This board has been sold by SIIG as the Fast SCSI Pro PCI. 62 * 2. This board has been sold by Iomega as a Jaz Jet PCI adapter. 63 */ 64 65 #include <sys/cdefs.h> 66 __KERNEL_RCSID(0, "$NetBSD: adv_pci.c,v 1.13 2002/10/02 16:50:59 thorpej Exp $"); 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/malloc.h> 71 #include <sys/kernel.h> 72 #include <sys/queue.h> 73 #include <sys/device.h> 74 75 #include <machine/bus.h> 76 #include <machine/intr.h> 77 78 #include <dev/scsipi/scsi_all.h> 79 #include <dev/scsipi/scsipi_all.h> 80 #include <dev/scsipi/scsiconf.h> 81 82 #include <dev/pci/pcireg.h> 83 #include <dev/pci/pcivar.h> 84 #include <dev/pci/pcidevs.h> 85 86 #include <dev/ic/advlib.h> 87 #include <dev/ic/adv.h> 88 89 /******************************************************************************/ 90 91 #define PCI_BASEADR_IO 0x10 92 93 /******************************************************************************/ 94 95 int adv_pci_match __P((struct device *, struct cfdata *, void *)); 96 void adv_pci_attach __P((struct device *, struct device *, void *)); 97 98 CFATTACH_DECL(adv_pci, sizeof(ASC_SOFTC), 99 adv_pci_match, adv_pci_attach, NULL, NULL); 100 101 /******************************************************************************/ 102 /* 103 * Check the slots looking for a board we recognise 104 * If we find one, note it's address (slot) and call 105 * the actual probe routine to check it out. 106 */ 107 int 108 adv_pci_match(parent, match, aux) 109 struct device *parent; 110 struct cfdata *match; 111 void *aux; 112 { 113 struct pci_attach_args *pa = aux; 114 115 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 116 switch (PCI_PRODUCT(pa->pa_id)) { 117 case PCI_PRODUCT_ADVSYS_1200A: 118 case PCI_PRODUCT_ADVSYS_1200B: 119 case PCI_PRODUCT_ADVSYS_ULTRA: 120 return (1); 121 } 122 123 return 0; 124 } 125 126 127 void 128 adv_pci_attach(parent, self, aux) 129 struct device *parent, *self; 130 void *aux; 131 { 132 struct pci_attach_args *pa = aux; 133 ASC_SOFTC *sc = (void *) self; 134 bus_space_tag_t iot; 135 bus_space_handle_t ioh; 136 pci_intr_handle_t ih; 137 pci_chipset_tag_t pc = pa->pa_pc; 138 u_int32_t command; 139 const char *intrstr; 140 141 142 sc->sc_flags = 0x0; 143 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS) 144 switch (PCI_PRODUCT(pa->pa_id)) { 145 case PCI_PRODUCT_ADVSYS_1200A: 146 printf(": AdvanSys ASC1200A SCSI adapter\n"); 147 break; 148 149 case PCI_PRODUCT_ADVSYS_1200B: 150 printf(": AdvanSys ASC1200B SCSI adapter\n"); 151 break; 152 153 case PCI_PRODUCT_ADVSYS_ULTRA: 154 switch (PCI_REVISION(pa->pa_class)) { 155 case ASC_PCI_REVISION_3050: 156 printf(": AdvanSys ABP-9xxUA SCSI adapter\n"); 157 break; 158 159 case ASC_PCI_REVISION_3150: 160 printf(": AdvanSys ABP-9xxU SCSI adapter\n"); 161 break; 162 } 163 break; 164 165 default: 166 printf(": unknown model!\n"); 167 return; 168 } 169 170 171 /* 172 * Make sure IO/MEM/MASTER are enabled 173 */ 174 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 175 if ((command & (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 176 PCI_COMMAND_MASTER_ENABLE)) != 177 (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 178 PCI_COMMAND_MASTER_ENABLE)) { 179 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 180 command | (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE | 181 PCI_COMMAND_MASTER_ENABLE)); 182 } 183 /* 184 * Latency timer settings. 185 */ 186 { 187 u_int32_t bhlcr; 188 189 bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); 190 191 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A || 192 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) { 193 bhlcr &= 0xFFFF00FFul; 194 pci_conf_write(pa->pa_pc, pa->pa_tag, 195 PCI_BHLC_REG, bhlcr); 196 } else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) 197 && (PCI_LATTIMER(bhlcr) < 0x20)) { 198 bhlcr &= 0xFFFF00FFul; 199 bhlcr |= 0x00002000ul; 200 pci_conf_write(pa->pa_pc, pa->pa_tag, 201 PCI_BHLC_REG, bhlcr); 202 } 203 } 204 205 206 /* 207 * Map Device Registers for I/O 208 */ 209 if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0, 210 &iot, &ioh, NULL, NULL)) { 211 printf("%s: unable to map device registers\n", 212 sc->sc_dev.dv_xname); 213 return; 214 } 215 216 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); 217 ASC_SET_CHIP_STATUS(iot, ioh, 0); 218 219 sc->sc_iot = iot; 220 sc->sc_ioh = ioh; 221 sc->sc_dmat = pa->pa_dmat; 222 sc->pci_device_id = pa->pa_id; 223 sc->bus_type = ASC_IS_PCI; 224 sc->chip_version = ASC_GET_CHIP_VER_NO(iot, ioh); 225 226 /* 227 * Initialize the board 228 */ 229 if (adv_init(sc)) 230 panic("adv_pci_attach: adv_init failed"); 231 232 /* 233 * Map Interrupt line 234 */ 235 if (pci_intr_map(pa, &ih)) { 236 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 237 return; 238 } 239 intrstr = pci_intr_string(pc, ih); 240 241 /* 242 * Establish Interrupt handler 243 */ 244 sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc); 245 if (sc->sc_ih == NULL) { 246 printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname); 247 if (intrstr != NULL) 248 printf(" at %s", intrstr); 249 printf("\n"); 250 return; 251 } 252 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 253 254 /* 255 * Attach all the sub-devices we can find 256 */ 257 adv_attach(sc); 258 } 259 /******************************************************************************/ 260