ahc_eisa.c revision 1.19
1 /* $NetBSD: ahc_eisa.c,v 1.19 2000/09/24 12:37:04 jdolecek 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 #include <sys/reboot.h> 39 40 #include <machine/bus.h> 41 #include <machine/intr.h> 42 43 #include <dev/scsipi/scsi_all.h> 44 #include <dev/scsipi/scsipi_all.h> 45 #include <dev/scsipi/scsiconf.h> 46 47 #include <dev/eisa/eisareg.h> 48 #include <dev/eisa/eisavar.h> 49 #include <dev/eisa/eisadevs.h> 50 51 #include <dev/microcode/aic7xxx/aic7xxx_reg.h> 52 #include <dev/ic/aic7xxxvar.h> 53 #include <dev/ic/aic77xxreg.h> 54 #include <dev/ic/aic77xxvar.h> 55 56 int ahc_eisa_match __P((struct device *, struct cfdata *, void *)); 57 void ahc_eisa_attach __P((struct device *, struct device *, void *)); 58 59 60 struct cfattach ahc_eisa_ca = { 61 sizeof(struct ahc_softc), ahc_eisa_match, ahc_eisa_attach 62 }; 63 64 /* 65 * Check the slots looking for a board we recognise 66 * If we find one, note it's address (slot) and call 67 * the actual probe routine to check it out. 68 */ 69 int 70 ahc_eisa_match(parent, match, aux) 71 struct device *parent; 72 struct cfdata *match; 73 void *aux; 74 { 75 struct eisa_attach_args *ea = aux; 76 bus_space_tag_t iot = ea->ea_iot; 77 bus_space_handle_t ioh; 78 int irq; 79 80 /* must match one of our known ID strings */ 81 if (strcmp(ea->ea_idstring, "ADP7770") && 82 strcmp(ea->ea_idstring, "ADP7771")) 83 return (0); 84 85 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 86 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) 87 return (0); 88 89 irq = ahc_aic77xx_irq(iot, ioh); 90 91 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); 92 93 return (irq >= 0); 94 } 95 96 void 97 ahc_eisa_attach(parent, self, aux) 98 struct device *parent, *self; 99 void *aux; 100 { 101 struct ahc_softc *ahc = (void *)self; 102 struct eisa_attach_args *ea = aux; 103 eisa_chipset_tag_t ec = ea->ea_ec; 104 eisa_intr_handle_t ih; 105 bus_space_tag_t iot = ea->ea_iot; 106 bus_space_handle_t ioh; 107 int irq, intrtype; 108 const char *intrstr, *intrtypestr; 109 u_int biosctrl; 110 u_int scsiconf; 111 u_int scsiconf1; 112 #if DEBUG 113 int i; 114 #endif 115 116 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 117 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) 118 panic("%s: could not map I/O addresses", ahc->sc_dev.dv_xname); 119 if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) 120 panic("%s: ahc_aic77xx_irq failed!", ahc->sc_dev.dv_xname); 121 122 if (strcmp(ea->ea_idstring, "ADP7770") == 0) { 123 printf(": %s\n", EISA_PRODUCT_ADP7770); 124 } else if (strcmp(ea->ea_idstring, "ADP7771") == 0) { 125 printf(": %s\n", EISA_PRODUCT_ADP7771); 126 } else { 127 panic(": Unknown device type %s\n", ea->ea_idstring); 128 } 129 130 if (ahc_alloc(ahc, ioh, iot, ea->ea_dmat, 131 AHC_AIC7770|AHC_EISA, AHC_AIC7770_FE, AHC_FNONE) < 0) 132 goto free_io; 133 134 ahc->channel = 'A'; 135 ahc->channel_b = 'B'; 136 if (ahc_reset(ahc) != 0) 137 goto free_ahc; 138 139 if (eisa_intr_map(ec, irq, &ih)) { 140 printf("%s: couldn't map interrupt (%d)\n", 141 ahc->sc_dev.dv_xname, irq); 142 goto free_ahc; 143 } 144 145 /* 146 * The IRQMS bit enables level sensitive interrupts. Only allow 147 * IRQ sharing if it's set. 148 * NOTE: ahc->pause is initialized in ahc_alloc(). 149 * 150 * Tell the user what type of interrupts we're using. 151 * usefull for debugging irq problems 152 */ 153 if (ahc->pause & IRQMS) { 154 intrtype = IST_LEVEL; 155 intrtypestr = "level sensitive"; 156 } else { 157 intrtype = IST_EDGE; 158 intrtypestr = "edge triggered"; 159 } 160 intrstr = eisa_intr_string(ec, ih); 161 ahc->ih = eisa_intr_establish(ec, ih, 162 intrtype, IPL_BIO, ahc_intr, ahc); 163 if (ahc->ih == NULL) { 164 printf("%s: couldn't establish %s interrupt", 165 ahc->sc_dev.dv_xname, intrtypestr); 166 if (intrstr != NULL) 167 printf(" at %s", intrstr); 168 printf("\n"); 169 goto free_ahc; 170 } 171 if (intrstr != NULL) 172 printf("%s: %s interrupting at %s\n", ahc->sc_dev.dv_xname, 173 intrtypestr, intrstr); 174 175 /* 176 * Now that we know we own the resources we need, do the 177 * card initialization. 178 * 179 * First, the aic7770 card specific setup. 180 */ 181 biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL); 182 scsiconf = ahc_inb(ahc, SCSICONF); 183 scsiconf1 = ahc_inb(ahc, SCSICONF + 1); 184 185 #if DEBUG 186 for (i = TARG_SCSIRATE; i <= HA_274_BIOSCTRL; i+=8) { 187 printf("0x%x, 0x%x, 0x%x, 0x%x, " 188 "0x%x, 0x%x, 0x%x, 0x%x\n", 189 ahc_inb(ahc, i), 190 ahc_inb(ahc, i+1), 191 ahc_inb(ahc, i+2), 192 ahc_inb(ahc, i+3), 193 ahc_inb(ahc, i+4), 194 ahc_inb(ahc, i+5), 195 ahc_inb(ahc, i+6), 196 ahc_inb(ahc, i+7)); 197 } 198 #endif 199 200 /* Get the primary channel information */ 201 if ((biosctrl & CHANNEL_B_PRIMARY) != 0) 202 ahc->flags |= AHC_CHANNEL_B_PRIMARY; 203 204 if ((biosctrl & BIOSMODE) == BIOSDISABLED) { 205 ahc->flags |= AHC_USEDEFAULTS; 206 } else if ((ahc->features & AHC_WIDE) != 0) { 207 ahc->our_id = scsiconf1 & HWSCSIID; 208 if (scsiconf & TERM_ENB) 209 ahc->flags |= AHC_TERM_ENB_A; 210 } else { 211 ahc->our_id = scsiconf & HSCSIID; 212 ahc->our_id_b = scsiconf1 & HSCSIID; 213 if (scsiconf & TERM_ENB) 214 ahc->flags |= AHC_TERM_ENB_A; 215 if (scsiconf1 & TERM_ENB) 216 ahc->flags |= AHC_TERM_ENB_B; 217 } 218 /* 219 * We have no way to tell, so assume extended 220 * translation is enabled. 221 */ 222 ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B; 223 224 /* Attach sub-devices */ 225 if (ahc_aic77xx_attach(ahc) == 0) 226 return; /* succeed */ 227 228 /* failed */ 229 eisa_intr_disestablish(ec, ahc->ih); 230 free_ahc: 231 ahc_free(ahc); 232 free_io: 233 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); 234 } 235
Indexes created Wed Oct 01 19:09:53 GMT 2025