1 /*- 2 * Product specific probe and attach routines for: 3 * 27/284X and aic7770 motherboard SCSI controllers 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 * 7 * Copyright (c) 1994-1998, 2000, 2001 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, this list of conditions, and the following disclaimer, 15 * without modification. 16 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 17 * substantially similar to the "NO WARRANTY" disclaimer below 18 * ("Disclaimer") and any redistribution must be conditioned upon 19 * including a substantially similar Disclaimer requirement for further 20 * binary redistribution. 21 * 3. Neither the names of the above-listed copyright holders nor the names 22 * of any contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * Alternatively, this software may be distributed under the terms of the 26 * GNU General Public License ("GPL") version 2 as published by the Free 27 * Software Foundation. 28 * 29 * NO WARRANTY 30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 33 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 34 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 38 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 39 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 40 * POSSIBILITY OF SUCH DAMAGES. 41 * 42 * $Id: //depot/aic7xxx/aic7xxx/aic7770.c#34 $ 43 */ 44 45 #include <dev/aic7xxx/aic7xxx_osm.h> 46 #include <dev/aic7xxx/aic7xxx_inline.h> 47 #include <dev/aic7xxx/aic7xxx_93cx6.h> 48 49 #define ID_AIC7770 0x04907770 50 #define ID_AHA_274x 0x04907771 51 #define ID_AHA_284xB 0x04907756 /* BIOS enabled */ 52 #define ID_AHA_284x 0x04907757 /* BIOS disabled*/ 53 #define ID_OLV_274x 0x04907782 /* Olivetti OEM */ 54 #define ID_OLV_274xD 0x04907783 /* Olivetti OEM (Differential) */ 55 56 static int aic7770_chip_init(struct ahc_softc *ahc); 57 static int aic7770_suspend(struct ahc_softc *ahc); 58 static int aic7770_resume(struct ahc_softc *ahc); 59 static int aha2840_load_seeprom(struct ahc_softc *ahc); 60 static ahc_device_setup_t ahc_aic7770_VL_setup; 61 static ahc_device_setup_t ahc_aic7770_EISA_setup; /* Really just ISA */ 62 static ahc_device_setup_t ahc_aic7770_setup; 63 64 struct aic7770_identity aic7770_ident_table[] = 65 { 66 { 67 ID_AHA_274x, 68 0xFFFFFFFF, 69 "Adaptec 274X SCSI adapter", 70 ahc_aic7770_EISA_setup 71 }, 72 { 73 ID_AHA_284xB, 74 0xFFFFFFFE, 75 "Adaptec 284X SCSI adapter", 76 ahc_aic7770_VL_setup 77 }, 78 { 79 ID_AHA_284x, 80 0xFFFFFFFE, 81 "Adaptec 284X SCSI adapter (BIOS Disabled)", 82 ahc_aic7770_VL_setup 83 }, 84 { 85 ID_OLV_274x, 86 0xFFFFFFFF, 87 "Adaptec (Olivetti OEM) 274X SCSI adapter", 88 ahc_aic7770_EISA_setup 89 }, 90 { 91 ID_OLV_274xD, 92 0xFFFFFFFF, 93 "Adaptec (Olivetti OEM) 274X Differential SCSI adapter", 94 ahc_aic7770_EISA_setup 95 }, 96 /* Generic chip probes for devices we don't know 'exactly' */ 97 { 98 ID_AIC7770, 99 0xFFFFFFFF, 100 "Adaptec aic7770 SCSI adapter", 101 ahc_aic7770_EISA_setup 102 } 103 }; 104 const int ahc_num_aic7770_devs = NUM_ELEMENTS(aic7770_ident_table); 105 106 struct aic7770_identity * 107 aic7770_find_device(uint32_t id) 108 { 109 struct aic7770_identity *entry; 110 int i; 111 112 for (i = 0; i < ahc_num_aic7770_devs; i++) { 113 entry = &aic7770_ident_table[i]; 114 if (entry->full_id == (id & entry->id_mask)) 115 return (entry); 116 } 117 return (NULL); 118 } 119 120 int 121 aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io) 122 { 123 int error; 124 int have_seeprom; 125 u_int hostconf; 126 u_int irq; 127 u_int intdef; 128 129 error = entry->setup(ahc); 130 have_seeprom = 0; 131 if (error != 0) 132 return (error); 133 134 error = aic7770_map_registers(ahc, io); 135 if (error != 0) 136 return (error); 137 138 /* 139 * Before we continue probing the card, ensure that 140 * its interrupts are *disabled*. We don't want 141 * a misstep to hang the machine in an interrupt 142 * storm. 143 */ 144 ahc_intr_enable(ahc, FALSE); 145 146 ahc->description = entry->name; 147 error = ahc_softc_init(ahc); 148 if (error != 0) 149 return (error); 150 151 ahc->bus_chip_init = aic7770_chip_init; 152 ahc->bus_suspend = aic7770_suspend; 153 ahc->bus_resume = aic7770_resume; 154 155 error = ahc_reset(ahc, /*reinit*/FALSE); 156 if (error != 0) 157 return (error); 158 159 /* Make sure we have a valid interrupt vector */ 160 intdef = ahc_inb(ahc, INTDEF); 161 irq = intdef & VECTOR; 162 switch (irq) { 163 case 9: 164 case 10: 165 case 11: 166 case 12: 167 case 14: 168 case 15: 169 break; 170 default: 171 printf("aic7770_config: invalid irq setting %d\n", intdef); 172 return (ENXIO); 173 } 174 175 if ((intdef & EDGE_TRIG) != 0) 176 ahc->flags |= AHC_EDGE_INTERRUPT; 177 178 switch (ahc->chip & (AHC_EISA|AHC_VL)) { 179 case AHC_EISA: 180 { 181 u_int biosctrl; 182 u_int scsiconf; 183 u_int scsiconf1; 184 185 biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL); 186 scsiconf = ahc_inb(ahc, SCSICONF); 187 scsiconf1 = ahc_inb(ahc, SCSICONF + 1); 188 189 /* Get the primary channel information */ 190 if ((biosctrl & CHANNEL_B_PRIMARY) != 0) 191 ahc->flags |= 1; 192 193 if ((biosctrl & BIOSMODE) == BIOSDISABLED) { 194 ahc->flags |= AHC_USEDEFAULTS; 195 } else { 196 if ((ahc->features & AHC_WIDE) != 0) { 197 ahc->our_id = scsiconf1 & HWSCSIID; 198 if (scsiconf & TERM_ENB) 199 ahc->flags |= AHC_TERM_ENB_A; 200 } else { 201 ahc->our_id = scsiconf & HSCSIID; 202 ahc->our_id_b = scsiconf1 & HSCSIID; 203 if (scsiconf & TERM_ENB) 204 ahc->flags |= AHC_TERM_ENB_A; 205 if (scsiconf1 & TERM_ENB) 206 ahc->flags |= AHC_TERM_ENB_B; 207 } 208 } 209 if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS)) 210 ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B; 211 break; 212 } 213 case AHC_VL: 214 { 215 have_seeprom = aha2840_load_seeprom(ahc); 216 break; 217 } 218 default: 219 break; 220 } 221 if (have_seeprom == 0) { 222 free(ahc->seep_config, M_DEVBUF); 223 ahc->seep_config = NULL; 224 } 225 226 /* 227 * Ensure autoflush is enabled 228 */ 229 ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS); 230 231 /* Setup the FIFO threshold and the bus off time */ 232 hostconf = ahc_inb(ahc, HOSTCONF); 233 ahc_outb(ahc, BUSSPD, hostconf & DFTHRSH); 234 ahc_outb(ahc, BUSTIME, (hostconf << 2) & BOFF); 235 236 ahc->bus_softc.aic7770_softc.busspd = hostconf & DFTHRSH; 237 ahc->bus_softc.aic7770_softc.bustime = (hostconf << 2) & BOFF; 238 239 /* 240 * Generic aic7xxx initialization. 241 */ 242 error = ahc_init(ahc); 243 if (error != 0) 244 return (error); 245 246 error = aic7770_map_int(ahc, irq); 247 if (error != 0) 248 return (error); 249 250 ahc_lock(ahc); 251 /* 252 * Link this softc in with all other ahc instances. 253 */ 254 ahc_softc_insert(ahc); 255 256 /* 257 * Enable the board's BUS drivers 258 */ 259 ahc_outb(ahc, BCTL, ENABLE); 260 261 ahc_unlock(ahc); 262 263 return (0); 264 } 265 266 static int 267 aic7770_chip_init(struct ahc_softc *ahc) 268 { 269 ahc_outb(ahc, BUSSPD, ahc->bus_softc.aic7770_softc.busspd); 270 ahc_outb(ahc, BUSTIME, ahc->bus_softc.aic7770_softc.bustime); 271 ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS); 272 ahc_outb(ahc, BCTL, ENABLE); 273 return (ahc_chip_init(ahc)); 274 } 275 276 static int 277 aic7770_suspend(struct ahc_softc *ahc) 278 { 279 return (ahc_suspend(ahc)); 280 } 281 282 static int 283 aic7770_resume(struct ahc_softc *ahc) 284 { 285 return (ahc_resume(ahc)); 286 } 287 288 /* 289 * Read the 284x SEEPROM. 290 */ 291 static int 292 aha2840_load_seeprom(struct ahc_softc *ahc) 293 { 294 struct seeprom_descriptor sd; 295 struct seeprom_config *sc; 296 int have_seeprom; 297 uint8_t scsi_conf; 298 299 sd.sd_ahc = ahc; 300 sd.sd_control_offset = SEECTL_2840; 301 sd.sd_status_offset = STATUS_2840; 302 sd.sd_dataout_offset = STATUS_2840; 303 sd.sd_chip = C46; 304 sd.sd_MS = 0; 305 sd.sd_RDY = EEPROM_TF; 306 sd.sd_CS = CS_2840; 307 sd.sd_CK = CK_2840; 308 sd.sd_DO = DO_2840; 309 sd.sd_DI = DI_2840; 310 sc = ahc->seep_config; 311 312 if (bootverbose) 313 printf("%s: Reading SEEPROM...", ahc_name(ahc)); 314 have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)sc, 315 /*start_addr*/0, sizeof(*sc)/2); 316 317 if (have_seeprom) { 318 if (ahc_verify_cksum(sc) == 0) { 319 if(bootverbose) 320 printf ("checksum error\n"); 321 have_seeprom = 0; 322 } else if (bootverbose) { 323 printf("done.\n"); 324 } 325 } 326 327 if (!have_seeprom) { 328 if (bootverbose) 329 printf("%s: No SEEPROM available\n", ahc_name(ahc)); 330 ahc->flags |= AHC_USEDEFAULTS; 331 } else { 332 /* 333 * Put the data we've collected down into SRAM 334 * where ahc_init will find it. 335 */ 336 int i; 337 int max_targ; 338 uint16_t discenable; 339 340 max_targ = (ahc->features & AHC_WIDE) != 0 ? 16 : 8; 341 discenable = 0; 342 for (i = 0; i < max_targ; i++){ 343 uint8_t target_settings; 344 345 target_settings = (sc->device_flags[i] & CFXFER) << 4; 346 if (sc->device_flags[i] & CFSYNCH) 347 target_settings |= SOFS; 348 if (sc->device_flags[i] & CFWIDEB) 349 target_settings |= WIDEXFER; 350 if (sc->device_flags[i] & CFDISC) 351 discenable |= (0x01 << i); 352 ahc_outb(ahc, TARG_SCSIRATE + i, target_settings); 353 } 354 ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff)); 355 ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff)); 356 357 ahc->our_id = sc->brtime_id & CFSCSIID; 358 359 scsi_conf = (ahc->our_id & 0x7); 360 if (sc->adapter_control & CFSPARITY) 361 scsi_conf |= ENSPCHK; 362 if (sc->adapter_control & CFRESETB) 363 scsi_conf |= RESET_SCSI; 364 365 if (sc->bios_control & CF284XEXTEND) 366 ahc->flags |= AHC_EXTENDED_TRANS_A; 367 /* Set SCSICONF info */ 368 ahc_outb(ahc, SCSICONF, scsi_conf); 369 370 if (sc->adapter_control & CF284XSTERM) 371 ahc->flags |= AHC_TERM_ENB_A; 372 } 373 return (have_seeprom); 374 } 375 376 static int 377 ahc_aic7770_VL_setup(struct ahc_softc *ahc) 378 { 379 int error; 380 381 error = ahc_aic7770_setup(ahc); 382 ahc->chip |= AHC_VL; 383 return (error); 384 } 385 386 static int 387 ahc_aic7770_EISA_setup(struct ahc_softc *ahc) 388 { 389 int error; 390 391 error = ahc_aic7770_setup(ahc); 392 ahc->chip |= AHC_EISA; 393 return (error); 394 } 395 396 static int 397 ahc_aic7770_setup(struct ahc_softc *ahc) 398 { 399 ahc->channel = 'A'; 400 ahc->channel_b = 'B'; 401 ahc->chip = AHC_AIC7770; 402 ahc->features = AHC_AIC7770_FE; 403 ahc->bugs |= AHC_TMODE_WIDEODD_BUG; 404 ahc->flags |= AHC_PAGESCBS; 405 ahc->instruction_ram_size = 448; 406 return (0); 407 } 408