ahc_eisa.c revision 1.18
1 /* $NetBSD: ahc_eisa.c,v 1.18 2000/03/15 02:04:43 fvdl 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/param.h> 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/device.h> 38 39 #include <machine/bus.h> 40 #include <machine/intr.h> 41 42 #include <dev/scsipi/scsi_all.h> 43 #include <dev/scsipi/scsipi_all.h> 44 #include <dev/scsipi/scsiconf.h> 45 46 #include <dev/eisa/eisareg.h> 47 #include <dev/eisa/eisavar.h> 48 #include <dev/eisa/eisadevs.h> 49 50 #include <dev/microcode/aic7xxx/aic7xxx_reg.h> 51 #include <dev/ic/aic7xxxvar.h> 52 #include <dev/ic/aic77xxreg.h> 53 #include <dev/ic/aic77xxvar.h> 54 55 /* 56 * Under normal circumstances, these messages are unnecessary 57 * and not terribly cosmetic. 58 */ 59 #ifdef DEBUG 60 #define bootverbose 1 61 #else 62 #define bootverbose 1 63 #endif 64 65 int ahc_eisa_match __P((struct device *, struct cfdata *, void *)); 66 void ahc_eisa_attach __P((struct device *, struct device *, void *)); 67 68 69 struct cfattach ahc_eisa_ca = { 70 sizeof(struct ahc_softc), ahc_eisa_match, ahc_eisa_attach 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 int 79 ahc_eisa_match(parent, match, aux) 80 struct device *parent; 81 struct cfdata *match; 82 void *aux; 83 { 84 struct eisa_attach_args *ea = aux; 85 bus_space_tag_t iot = ea->ea_iot; 86 bus_space_handle_t ioh; 87 int irq; 88 89 /* must match one of our known ID strings */ 90 if (strcmp(ea->ea_idstring, "ADP7770") && 91 strcmp(ea->ea_idstring, "ADP7771")) 92 return (0); 93 94 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 95 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) 96 return (0); 97 98 irq = ahc_aic77xx_irq(iot, ioh); 99 100 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); 101 102 return (irq >= 0); 103 } 104 105 void 106 ahc_eisa_attach(parent, self, aux) 107 struct device *parent, *self; 108 void *aux; 109 { 110 struct ahc_softc *ahc = (void *)self; 111 struct eisa_attach_args *ea = aux; 112 eisa_chipset_tag_t ec = ea->ea_ec; 113 eisa_intr_handle_t ih; 114 bus_space_tag_t iot = ea->ea_iot; 115 bus_space_handle_t ioh; 116 int irq, intrtype; 117 const char *intrstr, *intrtypestr; 118 u_int biosctrl; 119 u_int scsiconf; 120 u_int scsiconf1; 121 #if DEBUG 122 int i; 123 #endif 124 125 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 126 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) 127 panic("%s: could not map I/O addresses", ahc->sc_dev.dv_xname); 128 if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) 129 panic("%s: ahc_aic77xx_irq failed!", ahc->sc_dev.dv_xname); 130 131 if (strcmp(ea->ea_idstring, "ADP7770") == 0) { 132 printf(": %s\n", EISA_PRODUCT_ADP7770); 133 } else if (strcmp(ea->ea_idstring, "ADP7771") == 0) { 134 printf(": %s\n", EISA_PRODUCT_ADP7771); 135 } else { 136 panic(": Unknown device type %s\n", ea->ea_idstring); 137 } 138 139 if (ahc_alloc(ahc, ioh, iot, ea->ea_dmat, 140 AHC_AIC7770|AHC_EISA, AHC_AIC7770_FE, AHC_FNONE) < 0) 141 goto free_io; 142 143 ahc->channel = 'A'; 144 ahc->channel_b = 'B'; 145 if (ahc_reset(ahc) != 0) 146 goto free_ahc; 147 148 if (eisa_intr_map(ec, irq, &ih)) { 149 printf("%s: couldn't map interrupt (%d)\n", 150 ahc->sc_dev.dv_xname, irq); 151 goto free_ahc; 152 } 153 154 /* 155 * The IRQMS bit enables level sensitive interrupts. Only allow 156 * IRQ sharing if it's set. 157 * NOTE: ahc->pause is initialized in ahc_alloc(). 158 * 159 * Tell the user what type of interrupts we're using. 160 * usefull for debugging irq problems 161 */ 162 if (ahc->pause & IRQMS) { 163 intrtype = IST_LEVEL; 164 intrtypestr = "level sensitive"; 165 } else { 166 intrtype = IST_EDGE; 167 intrtypestr = "edge triggered"; 168 } 169 intrstr = eisa_intr_string(ec, ih); 170 ahc->ih = eisa_intr_establish(ec, ih, 171 intrtype, IPL_BIO, ahc_intr, ahc); 172 if (ahc->ih == NULL) { 173 printf("%s: couldn't establish %s interrupt", 174 ahc->sc_dev.dv_xname, intrtypestr); 175 if (intrstr != NULL) 176 printf(" at %s", intrstr); 177 printf("\n"); 178 goto free_ahc; 179 } 180 if (intrstr != NULL) 181 printf("%s: %s interrupting at %s\n", ahc->sc_dev.dv_xname, 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 #if 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_CHANNEL_B_PRIMARY; 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 /* 228 * We have no way to tell, so assume extended 229 * translation is enabled. 230 */ 231 ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B; 232 233 /* Attach sub-devices */ 234 if (ahc_aic77xx_attach(ahc) == 0) 235 return; /* succeed */ 236 237 /* failed */ 238 eisa_intr_disestablish(ec, ahc->ih); 239 free_ahc: 240 ahc_free(ahc); 241 free_io: 242 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); 243 } 244
Indexes created Wed Oct 01 19:09:53 GMT 2025