ahc_eisa.c revision 1.24
1 /* $NetBSD: ahc_eisa.c,v 1.24 2002/10/02 16:33:45 thorpej 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 1.24 2002/10/02 16:33:45 thorpej 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 <machine/bus.h> 44 #include <machine/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/microcode/aic7xxx/aic7xxx_reg.h> 55 #include <dev/ic/aic7xxxvar.h> 56 #include <dev/ic/aic77xxreg.h> 57 #include <dev/ic/aic77xxvar.h> 58 59 int ahc_eisa_match __P((struct device *, struct cfdata *, void *)); 60 void ahc_eisa_attach __P((struct device *, struct device *, void *)); 61 62 63 CFATTACH_DECL(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 it's address (slot) and call 69 * the actual probe routine to check it out. 70 */ 71 int 72 ahc_eisa_match(parent, match, aux) 73 struct device *parent; 74 struct cfdata *match; 75 void *aux; 76 { 77 struct eisa_attach_args *ea = aux; 78 bus_space_tag_t iot = ea->ea_iot; 79 bus_space_handle_t ioh; 80 int irq; 81 82 /* must match one of our known ID strings */ 83 if (strcmp(ea->ea_idstring, "ADP7770") && 84 strcmp(ea->ea_idstring, "ADP7771")) 85 return (0); 86 87 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 88 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) 89 return (0); 90 91 irq = ahc_aic77xx_irq(iot, ioh); 92 93 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); 94 95 return (irq >= 0); 96 } 97 98 void 99 ahc_eisa_attach(parent, self, aux) 100 struct device *parent, *self; 101 void *aux; 102 { 103 struct ahc_softc *ahc = (void *)self; 104 struct eisa_attach_args *ea = aux; 105 eisa_chipset_tag_t ec = ea->ea_ec; 106 eisa_intr_handle_t ih; 107 bus_space_tag_t iot = ea->ea_iot; 108 bus_space_handle_t ioh; 109 int irq, intrtype; 110 const char *intrstr, *intrtypestr; 111 u_int biosctrl; 112 u_int scsiconf; 113 u_int scsiconf1; 114 #if DEBUG 115 int i; 116 #endif 117 118 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 119 AHC_EISA_SLOT_OFFSET, AHC_EISA_IOSIZE, 0, &ioh)) 120 panic("%s: could not map I/O addresses", ahc->sc_dev.dv_xname); 121 if ((irq = ahc_aic77xx_irq(iot, ioh)) < 0) 122 panic("%s: ahc_aic77xx_irq failed!", ahc->sc_dev.dv_xname); 123 124 if (strcmp(ea->ea_idstring, "ADP7770") == 0) { 125 printf(": %s\n", EISA_PRODUCT_ADP7770); 126 } else if (strcmp(ea->ea_idstring, "ADP7771") == 0) { 127 printf(": %s\n", EISA_PRODUCT_ADP7771); 128 } else { 129 panic(": Unknown device type %s", ea->ea_idstring); 130 } 131 132 if (ahc_alloc(ahc, ioh, iot, ea->ea_dmat, 133 AHC_AIC7770|AHC_EISA, AHC_AIC7770_FE, AHC_FNONE) < 0) 134 goto free_io; 135 136 ahc->channel = 'A'; 137 ahc->channel_b = 'B'; 138 if (ahc_reset(ahc) != 0) 139 goto free_ahc; 140 141 if (eisa_intr_map(ec, irq, &ih)) { 142 printf("%s: couldn't map interrupt (%d)\n", 143 ahc->sc_dev.dv_xname, irq); 144 goto free_ahc; 145 } 146 147 /* 148 * The IRQMS bit enables level sensitive interrupts. Only allow 149 * IRQ sharing if it's set. 150 * NOTE: ahc->pause is initialized in ahc_alloc(). 151 * 152 * Tell the user what type of interrupts we're using. 153 * usefull for debugging irq problems 154 */ 155 if (ahc->pause & IRQMS) { 156 intrtype = IST_LEVEL; 157 intrtypestr = "level sensitive"; 158 } else { 159 intrtype = IST_EDGE; 160 intrtypestr = "edge triggered"; 161 } 162 intrstr = eisa_intr_string(ec, ih); 163 ahc->ih = eisa_intr_establish(ec, ih, 164 intrtype, IPL_BIO, ahc_intr, ahc); 165 if (ahc->ih == NULL) { 166 printf("%s: couldn't establish %s interrupt", 167 ahc->sc_dev.dv_xname, intrtypestr); 168 if (intrstr != NULL) 169 printf(" at %s", intrstr); 170 printf("\n"); 171 goto free_ahc; 172 } 173 if (intrstr != NULL) 174 printf("%s: %s interrupting at %s\n", ahc->sc_dev.dv_xname, 175 intrtypestr, intrstr); 176 177 /* 178 * Now that we know we own the resources we need, do the 179 * card initialization. 180 * 181 * First, the aic7770 card specific setup. 182 */ 183 biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL); 184 scsiconf = ahc_inb(ahc, SCSICONF); 185 scsiconf1 = ahc_inb(ahc, SCSICONF + 1); 186 187 #if DEBUG 188 for (i = TARG_SCSIRATE; i <= HA_274_BIOSCTRL; i+=8) { 189 printf("0x%x, 0x%x, 0x%x, 0x%x, " 190 "0x%x, 0x%x, 0x%x, 0x%x\n", 191 ahc_inb(ahc, i), 192 ahc_inb(ahc, i+1), 193 ahc_inb(ahc, i+2), 194 ahc_inb(ahc, i+3), 195 ahc_inb(ahc, i+4), 196 ahc_inb(ahc, i+5), 197 ahc_inb(ahc, i+6), 198 ahc_inb(ahc, i+7)); 199 } 200 #endif 201 202 /* Get the primary channel information */ 203 if ((biosctrl & CHANNEL_B_PRIMARY) != 0) 204 ahc->flags |= AHC_CHANNEL_B_PRIMARY; 205 206 if ((biosctrl & BIOSMODE) == BIOSDISABLED) { 207 ahc->flags |= AHC_USEDEFAULTS; 208 } else if ((ahc->features & AHC_WIDE) != 0) { 209 ahc->our_id = scsiconf1 & HWSCSIID; 210 if (scsiconf & TERM_ENB) 211 ahc->flags |= AHC_TERM_ENB_A; 212 } else { 213 ahc->our_id = scsiconf & HSCSIID; 214 ahc->our_id_b = scsiconf1 & HSCSIID; 215 if (scsiconf & TERM_ENB) 216 ahc->flags |= AHC_TERM_ENB_A; 217 if (scsiconf1 & TERM_ENB) 218 ahc->flags |= AHC_TERM_ENB_B; 219 } 220 /* 221 * We have no way to tell, so assume extended 222 * translation is enabled. 223 */ 224 ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B; 225 226 /* Attach sub-devices */ 227 if (ahc_aic77xx_attach(ahc) == 0) 228 return; /* succeed */ 229 230 /* failed */ 231 eisa_intr_disestablish(ec, ahc->ih); 232 free_ahc: 233 ahc_free(ahc); 234 free_io: 235 bus_space_unmap(iot, ioh, AHC_EISA_IOSIZE); 236 } 237
Indexes created Wed Oct 01 19:09:53 GMT 2025