ahc_eisa.c revision 1.40
1 /* $NetBSD: ahc_eisa.c,v 1.40 2014/10/18 08:33:27 snj Exp $ */ 2 3 /* 4 * Product specific probe and attach routines for: 5 * 274X and aic7770 motherboard SCSI controllers 6 * 7 * Copyright (c) 1994, 1995, 1996, 1997, 1998 Justin T. Gibbs. 8 * All rights reserved. 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 immediately at the beginning of the file, without modification, 15 * this list of conditions, and the following disclaimer. 16 * 2. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD: src/sys/dev/aic7xxx/ahc_eisa.c,v 1.15 2000/01/29 14:22:19 peter Exp $ 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: ahc_eisa.c,v 1.40 2014/10/18 08:33:27 snj Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/device.h> 41 #include <sys/reboot.h> 42 43 #include <sys/bus.h> 44 #include <sys/intr.h> 45 46 #include <dev/scsipi/scsi_all.h> 47 #include <dev/scsipi/scsipi_all.h> 48 #include <dev/scsipi/scsiconf.h> 49 50 #include <dev/eisa/eisareg.h> 51 #include <dev/eisa/eisavar.h> 52 #include <dev/eisa/eisadevs.h> 53 54 #include <dev/ic/aic7xxx_osm.h> 55 #include <dev/ic/aic7xxx_inline.h> 56 #include <dev/ic/aic77xxreg.h> 57 #include <dev/ic/aic77xxvar.h> 58 59 static int ahc_eisa_match(device_t, cfdata_t, void *); 60 static void ahc_eisa_attach(device_t, device_t, void *); 61 62 63 CFATTACH_DECL_NEW(ahc_eisa, sizeof(struct ahc_softc), 64 ahc_eisa_match, ahc_eisa_attach, NULL, NULL); 65 66 /* 67 * Check the slots looking for a board we recognise 68 * If we find one, note its address (slot) and call 69 * the actual probe routine to check it out. 70 */ 71 static int 72 ahc_eisa_match(device_t parent, cfdata_t match, void *aux) 73 { 74 struct eisa_attach_args *ea = aux; 75 bus_space_tag_t iot = ea->ea_iot; 76 bus_space_handle_t ioh; 77 int irq; 78 79 /* must match one of our known ID strings */ 80 if (strcmp(ea->ea_idstring, "ADP7770") && 81 strcmp(ea->ea_idstring, "ADP7771")) 82 return (0); 83 84 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 85 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) 86 return (0); 87 88 irq = ahc_aic77xx_irq(iot, ioh); 89 90 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); 91 92 return (irq >= 0); 93 } 94 95 static void 96 ahc_eisa_attach(device_t parent, device_t self, void *aux) 97 { 98 struct ahc_softc *ahc = device_private(self); 99 struct eisa_attach_args *ea = aux; 100 eisa_chipset_tag_t ec = ea->ea_ec; 101 eisa_intr_handle_t ih; 102 bus_space_tag_t iot = ea->ea_iot; 103 bus_space_handle_t ioh; 104 int irq, intrtype; 105 const char *intrstr, *intrtypestr; 106 u_int biosctrl; 107 u_int scsiconf; 108 u_int scsiconf1; 109 u_char intdef; 110 #ifdef AHC_DEBUG 111 int i; 112 #endif 113 char intrbuf[EISA_INTRSTR_LEN]; 114 115 ahc->sc_dev = self; 116 117 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 118 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) { 119 aprint_error_dev(ahc->sc_dev, "could not map I/O addresses"); 120 return; 121 } 122 if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) { 123 aprint_error_dev(ahc->sc_dev, "ahc_aic77xx_irq failed!"); 124 goto free_io; 125 } 126 127 if (strcmp(ea->ea_idstring, "ADP7770") == 0) { 128 printf(": %s\n", EISA_PRODUCT_ADP7770); 129 } else if (strcmp(ea->ea_idstring, "ADP7771") == 0) { 130 printf(": %s\n", EISA_PRODUCT_ADP7771); 131 } else { 132 printf(": Unknown device type %s", ea->ea_idstring); 133 goto free_io; 134 } 135 136 ahc_set_name(ahc, device_xname(ahc->sc_dev)); 137 ahc->parent_dmat = ea->ea_dmat; 138 ahc->chip = AHC_AIC7770|AHC_EISA; 139 ahc->features = AHC_AIC7770_FE; 140 ahc->flags = AHC_PAGESCBS; 141 ahc->bugs = AHC_TMODE_WIDEODD_BUG; 142 ahc->tag = iot; 143 ahc->bsh = ioh; 144 ahc->channel = 'A'; 145 146 if (ahc_softc_init(ahc) != 0) 147 goto free_io; 148 149 ahc_intr_enable(ahc, FALSE); 150 151 if (ahc_reset(ahc) != 0) 152 goto free_io; 153 154 if (eisa_intr_map(ec, irq, &ih)) { 155 aprint_error_dev(ahc->sc_dev, "couldn't map interrupt (%d)\n", 156 irq); 157 goto free_io; 158 } 159 160 intdef = bus_space_read_1(iot, ioh, INTDEF); 161 162 if (intdef & EDGE_TRIG) { 163 intrtype = IST_EDGE; 164 intrtypestr = "edge triggered"; 165 } else { 166 intrtype = IST_LEVEL; 167 intrtypestr = "level sensitive"; 168 } 169 intrstr = eisa_intr_string(ec, ih, intrbuf, sizeof(intrbuf)); 170 ahc->ih = eisa_intr_establish(ec, ih, 171 intrtype, IPL_BIO, ahc_intr, ahc); 172 if (ahc->ih == NULL) { 173 aprint_error_dev(ahc->sc_dev, "couldn't establish %s interrupt", 174 intrtypestr); 175 if (intrstr != NULL) 176 aprint_error(" at %s", intrstr); 177 aprint_error("\n"); 178 goto free_io; 179 } 180 if (intrstr != NULL) 181 aprint_normal_dev(ahc->sc_dev, "%s interrupting at %s\n", 182 intrtypestr, intrstr); 183 184 /* 185 * Now that we know we own the resources we need, do the 186 * card initialization. 187 * 188 * First, the aic7770 card specific setup. 189 */ 190 biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL); 191 scsiconf = ahc_inb(ahc, SCSICONF); 192 scsiconf1 = ahc_inb(ahc, SCSICONF + 1); 193 194 #ifdef AHC_DEBUG 195 for (i = TARG_SCSIRATE; i <= HA_274_BIOSCTRL; i+=8) { 196 printf("0x%x, 0x%x, 0x%x, 0x%x, " 197 "0x%x, 0x%x, 0x%x, 0x%x\n", 198 ahc_inb(ahc, i), 199 ahc_inb(ahc, i+1), 200 ahc_inb(ahc, i+2), 201 ahc_inb(ahc, i+3), 202 ahc_inb(ahc, i+4), 203 ahc_inb(ahc, i+5), 204 ahc_inb(ahc, i+6), 205 ahc_inb(ahc, i+7)); 206 } 207 #endif 208 209 /* Get the primary channel information */ 210 if ((biosctrl & CHANNEL_B_PRIMARY) != 0) 211 ahc->flags |= AHC_PRIMARY_CHANNEL; 212 213 if ((biosctrl & BIOSMODE) == BIOSDISABLED) { 214 ahc->flags |= AHC_USEDEFAULTS; 215 } else if ((ahc->features & AHC_WIDE) != 0) { 216 ahc->our_id = scsiconf1 & HWSCSIID; 217 if (scsiconf & TERM_ENB) 218 ahc->flags |= AHC_TERM_ENB_A; 219 } else { 220 ahc->our_id = scsiconf & HSCSIID; 221 ahc->our_id_b = scsiconf1 & HSCSIID; 222 if (scsiconf & TERM_ENB) 223 ahc->flags |= AHC_TERM_ENB_A; 224 if (scsiconf1 & TERM_ENB) 225 ahc->flags |= AHC_TERM_ENB_B; 226 } 227 if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS)) 228 ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B; 229 230 /* Attach sub-devices */ 231 if (ahc_aic77xx_attach(ahc) == 0) 232 return; /* succeed */ 233 234 /* failed */ 235 eisa_intr_disestablish(ec, ahc->ih); 236 free_io: 237 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); 238 } 239
Indexes created Wed Oct 01 19:09:53 GMT 2025