2 * Product specific probe and attach routines for:
3 * 27/284X and aic7770 motherboard SCSI controllers
5 * Copyright (c) 1994-1998, 2000, 2001 Justin T. Gibbs.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification.
14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
15 * substantially similar to the "NO WARRANTY" disclaimer below
16 * ("Disclaimer") and any redistribution must be conditioned upon
17 * including a substantially similar Disclaimer requirement for further
18 * binary redistribution.
19 * 3. Neither the names of the above-listed copyright holders nor the names
20 * of any contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
23 * Alternatively, this software may be distributed under the terms of the
24 * GNU General Public License ("GPL") version 2 as published by the Free
25 * Software Foundation.
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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40 * $Id: //depot/aic7xxx/aic7xxx/aic7770.c#30 $
46 #include "aic7xxx_osm.h"
47 #include "aic7xxx_inline.h"
48 #include "aic7xxx_93cx6.h"
50 #include <dev/aic7xxx/aic7xxx_osm.h>
51 #include <dev/aic7xxx/aic7xxx_inline.h>
52 #include <dev/aic7xxx/aic7xxx_93cx6.h>
55 #define ID_AIC7770 0x04907770
56 #define ID_AHA_274x 0x04907771
57 #define ID_AHA_284xB 0x04907756 /* BIOS enabled */
58 #define ID_AHA_284x 0x04907757 /* BIOS disabled*/
59 #define ID_OLV_274x 0x04907782 /* Olivetti OEM */
60 #define ID_OLV_274xD 0x04907783 /* Olivetti OEM (Differential) */
62 static int aic7770_chip_init(struct ahc_softc *ahc);
63 static int aic7770_suspend(struct ahc_softc *ahc);
64 static int aic7770_resume(struct ahc_softc *ahc);
65 static int aha2840_load_seeprom(struct ahc_softc *ahc);
66 static ahc_device_setup_t ahc_aic7770_VL_setup;
67 static ahc_device_setup_t ahc_aic7770_EISA_setup;;
68 static ahc_device_setup_t ahc_aic7770_setup;
71 struct aic7770_identity aic7770_ident_table [] =
76 "Adaptec 274X SCSI adapter",
77 ahc_aic7770_EISA_setup
82 "Adaptec 284X SCSI adapter",
88 "Adaptec (Olivetti OEM) 274X SCSI adapter",
89 ahc_aic7770_EISA_setup
94 "Adaptec (Olivetti OEM) 274X Differential SCSI adapter",
95 ahc_aic7770_EISA_setup
97 /* Generic chip probes for devices we don't know 'exactly' */
101 "Adaptec aic7770 SCSI adapter",
102 ahc_aic7770_EISA_setup
105 const int ahc_num_aic7770_devs = NUM_ELEMENTS(aic7770_ident_table);
107 struct aic7770_identity *
108 aic7770_find_device(uint32_t id)
110 struct aic7770_identity *entry;
113 for (i = 0; i < ahc_num_aic7770_devs; i++) {
114 entry = &aic7770_ident_table[i];
115 if (entry->full_id == (id & entry->id_mask))
122 aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io)
131 error = entry->setup(ahc);
136 error = aic7770_map_registers(ahc, io);
141 * Before we continue probing the card, ensure that
142 * its interrupts are *disabled*. We don't want
143 * a misstep to hang the machine in an interrupt
146 ahc_intr_enable(ahc, FALSE);
148 ahc->description = entry->name;
149 error = ahc_softc_init(ahc);
153 ahc->bus_chip_init = aic7770_chip_init;
154 ahc->bus_suspend = aic7770_suspend;
155 ahc->bus_resume = aic7770_resume;
157 error = ahc_reset(ahc);
161 /* Make sure we have a valid interrupt vector */
162 intdef = ahc_inb(ahc, INTDEF);
163 irq = intdef & VECTOR;
173 printf("aic7770_config: invalid irq setting %d\n", intdef);
177 if ((intdef & EDGE_TRIG) != 0)
178 ahc->flags |= AHC_EDGE_INTERRUPT;
180 switch (ahc->chip & (AHC_EISA|AHC_VL)) {
187 biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL);
188 scsiconf = ahc_inb(ahc, SCSICONF);
189 scsiconf1 = ahc_inb(ahc, SCSICONF + 1);
191 /* Get the primary channel information */
192 if ((biosctrl & CHANNEL_B_PRIMARY) != 0)
195 if ((biosctrl & BIOSMODE) == BIOSDISABLED) {
196 ahc->flags |= AHC_USEDEFAULTS;
198 if ((ahc->features & AHC_WIDE) != 0) {
199 ahc->our_id = scsiconf1 & HWSCSIID;
200 if (scsiconf & TERM_ENB)
201 ahc->flags |= AHC_TERM_ENB_A;
203 ahc->our_id = scsiconf & HSCSIID;
204 ahc->our_id_b = scsiconf1 & HSCSIID;
205 if (scsiconf & TERM_ENB)
206 ahc->flags |= AHC_TERM_ENB_A;
207 if (scsiconf1 & TERM_ENB)
208 ahc->flags |= AHC_TERM_ENB_B;
211 if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS))
212 ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B;
217 have_seeprom = aha2840_load_seeprom(ahc);
223 if (have_seeprom == 0) {
224 free(ahc->seep_config, M_DEVBUF);
225 ahc->seep_config = NULL;
229 * Ensure autoflush is enabled
231 ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS);
233 /* Setup the FIFO threshold and the bus off time */
234 hostconf = ahc_inb(ahc, HOSTCONF);
235 ahc_outb(ahc, BUSSPD, hostconf & DFTHRSH);
236 ahc_outb(ahc, BUSTIME, (hostconf << 2) & BOFF);
238 ahc->bus_softc.aic7770_softc.busspd = hostconf & DFTHRSH;
239 ahc->bus_softc.aic7770_softc.bustime = (hostconf << 2) & BOFF;
242 * Generic aic7xxx initialization.
244 error = ahc_init(ahc);
248 error = aic7770_map_int(ahc, irq);
254 * Link this softc in with all other ahc instances.
256 ahc_softc_insert(ahc);
259 * Enable the board's BUS drivers
261 ahc_outb(ahc, BCTL, ENABLE);
269 aic7770_chip_init(struct ahc_softc *ahc)
271 ahc_outb(ahc, BUSSPD, ahc->bus_softc.aic7770_softc.busspd);
272 ahc_outb(ahc, BUSTIME, ahc->bus_softc.aic7770_softc.bustime);
273 ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS);
274 ahc_outb(ahc, BCTL, ENABLE);
275 return (ahc_chip_init(ahc));
279 aic7770_suspend(struct ahc_softc *ahc)
281 return (ahc_suspend(ahc));
285 aic7770_resume(struct ahc_softc *ahc)
287 return (ahc_resume(ahc));
291 * Read the 284x SEEPROM.
294 aha2840_load_seeprom(struct ahc_softc *ahc)
296 struct seeprom_descriptor sd;
297 struct seeprom_config *sc;
302 sd.sd_control_offset = SEECTL_2840;
303 sd.sd_status_offset = STATUS_2840;
304 sd.sd_dataout_offset = STATUS_2840;
307 sd.sd_RDY = EEPROM_TF;
312 sc = ahc->seep_config;
315 printf("%s: Reading SEEPROM...", ahc_name(ahc));
316 have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)sc,
317 /*start_addr*/0, sizeof(*sc)/2);
321 if (ahc_verify_cksum(sc) == 0) {
323 printf ("checksum error\n");
325 } else if (bootverbose) {
332 printf("%s: No SEEPROM available\n", ahc_name(ahc));
333 ahc->flags |= AHC_USEDEFAULTS;
336 * Put the data we've collected down into SRAM
337 * where ahc_init will find it.
343 max_targ = (ahc->features & AHC_WIDE) != 0 ? 16 : 8;
345 for (i = 0; i < max_targ; i++){
346 uint8_t target_settings;
348 target_settings = (sc->device_flags[i] & CFXFER) << 4;
349 if (sc->device_flags[i] & CFSYNCH)
350 target_settings |= SOFS;
351 if (sc->device_flags[i] & CFWIDEB)
352 target_settings |= WIDEXFER;
353 if (sc->device_flags[i] & CFDISC)
354 discenable |= (0x01 << i);
355 ahc_outb(ahc, TARG_SCSIRATE + i, target_settings);
357 ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff));
358 ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff));
360 ahc->our_id = sc->brtime_id & CFSCSIID;
362 scsi_conf = (ahc->our_id & 0x7);
363 if (sc->adapter_control & CFSPARITY)
364 scsi_conf |= ENSPCHK;
365 if (sc->adapter_control & CFRESETB)
366 scsi_conf |= RESET_SCSI;
368 if (sc->bios_control & CF284XEXTEND)
369 ahc->flags |= AHC_EXTENDED_TRANS_A;
370 /* Set SCSICONF info */
371 ahc_outb(ahc, SCSICONF, scsi_conf);
373 if (sc->adapter_control & CF284XSTERM)
374 ahc->flags |= AHC_TERM_ENB_A;
376 return (have_seeprom);
380 ahc_aic7770_VL_setup(struct ahc_softc *ahc)
384 error = ahc_aic7770_setup(ahc);
390 ahc_aic7770_EISA_setup(struct ahc_softc *ahc)
394 error = ahc_aic7770_setup(ahc);
395 ahc->chip |= AHC_EISA;
400 ahc_aic7770_setup(struct ahc_softc *ahc)
403 ahc->channel_b = 'B';
404 ahc->chip = AHC_AIC7770;
405 ahc->features = AHC_AIC7770_FE;
406 ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
407 ahc->flags |= AHC_PAGESCBS;
408 ahc->instruction_ram_size = 448;