1139749Simp/*- 265942Sgibbs * Product specific probe and attach routines for: 365942Sgibbs * 27/284X and aic7770 motherboard SCSI controllers 465942Sgibbs * 571717Sgibbs * Copyright (c) 1994-1998, 2000, 2001 Justin T. Gibbs. 665942Sgibbs * All rights reserved. 765942Sgibbs * 865942Sgibbs * Redistribution and use in source and binary forms, with or without 965942Sgibbs * modification, are permitted provided that the following conditions 1065942Sgibbs * are met: 1165942Sgibbs * 1. Redistributions of source code must retain the above copyright 1295378Sgibbs * notice, this list of conditions, and the following disclaimer, 1395378Sgibbs * without modification. 1495378Sgibbs * 2. Redistributions in binary form must reproduce at minimum a disclaimer 1595378Sgibbs * substantially similar to the "NO WARRANTY" disclaimer below 1695378Sgibbs * ("Disclaimer") and any redistribution must be conditioned upon 1795378Sgibbs * including a substantially similar Disclaimer requirement for further 1895378Sgibbs * binary redistribution. 1995378Sgibbs * 3. Neither the names of the above-listed copyright holders nor the names 2095378Sgibbs * of any contributors may be used to endorse or promote products derived 2195378Sgibbs * from this software without specific prior written permission. 2265942Sgibbs * 2371717Sgibbs * Alternatively, this software may be distributed under the terms of the 2495378Sgibbs * GNU General Public License ("GPL") version 2 as published by the Free 2595378Sgibbs * Software Foundation. 2671717Sgibbs * 2795378Sgibbs * NO WARRANTY 2895378Sgibbs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2995378Sgibbs * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 3095378Sgibbs * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 3195378Sgibbs * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 3295378Sgibbs * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3365942Sgibbs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3465942Sgibbs * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3595378Sgibbs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 3695378Sgibbs * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 3795378Sgibbs * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3895378Sgibbs * POSSIBILITY OF SUCH DAMAGES. 3965942Sgibbs * 40123579Sgibbs * $Id: //depot/aic7xxx/aic7xxx/aic7770.c#34 $ 4165942Sgibbs */ 4265942Sgibbs 4395378Sgibbs#ifdef __linux__ 4495378Sgibbs#include "aic7xxx_osm.h" 4595378Sgibbs#include "aic7xxx_inline.h" 4695378Sgibbs#include "aic7xxx_93cx6.h" 4795378Sgibbs#else 48123579Sgibbs#include <sys/cdefs.h> 49123579Sgibbs__FBSDID("$FreeBSD$"); 5095378Sgibbs#include <dev/aic7xxx/aic7xxx_osm.h> 5165942Sgibbs#include <dev/aic7xxx/aic7xxx_inline.h> 5265942Sgibbs#include <dev/aic7xxx/aic7xxx_93cx6.h> 5395378Sgibbs#endif 5465942Sgibbs 5565942Sgibbs#define ID_AIC7770 0x04907770 5665942Sgibbs#define ID_AHA_274x 0x04907771 5765942Sgibbs#define ID_AHA_284xB 0x04907756 /* BIOS enabled */ 5865942Sgibbs#define ID_AHA_284x 0x04907757 /* BIOS disabled*/ 59107411Sscottl#define ID_OLV_274x 0x04907782 /* Olivetti OEM */ 60107411Sscottl#define ID_OLV_274xD 0x04907783 /* Olivetti OEM (Differential) */ 6165942Sgibbs 62114621Sgibbsstatic int aic7770_chip_init(struct ahc_softc *ahc); 63114621Sgibbsstatic int aic7770_suspend(struct ahc_softc *ahc); 64114621Sgibbsstatic int aic7770_resume(struct ahc_softc *ahc); 65102669Sgibbsstatic int aha2840_load_seeprom(struct ahc_softc *ahc); 6665942Sgibbsstatic ahc_device_setup_t ahc_aic7770_VL_setup; 67132107Sstefanfstatic ahc_device_setup_t ahc_aic7770_EISA_setup; 6865942Sgibbsstatic ahc_device_setup_t ahc_aic7770_setup; 6965942Sgibbs 70115915Sgibbsstruct aic7770_identity aic7770_ident_table[] = 7165942Sgibbs{ 7265942Sgibbs { 7365942Sgibbs ID_AHA_274x, 7465942Sgibbs 0xFFFFFFFF, 7565942Sgibbs "Adaptec 274X SCSI adapter", 7665942Sgibbs ahc_aic7770_EISA_setup 7765942Sgibbs }, 7865942Sgibbs { 7965942Sgibbs ID_AHA_284xB, 8065942Sgibbs 0xFFFFFFFE, 8165942Sgibbs "Adaptec 284X SCSI adapter", 8265942Sgibbs ahc_aic7770_VL_setup 8365942Sgibbs }, 84107411Sscottl { 85115915Sgibbs ID_AHA_284x, 86115915Sgibbs 0xFFFFFFFE, 87115915Sgibbs "Adaptec 284X SCSI adapter (BIOS Disabled)", 88115915Sgibbs ahc_aic7770_VL_setup 89115915Sgibbs }, 90115915Sgibbs { 91107411Sscottl ID_OLV_274x, 92107411Sscottl 0xFFFFFFFF, 93107411Sscottl "Adaptec (Olivetti OEM) 274X SCSI adapter", 94107411Sscottl ahc_aic7770_EISA_setup 95107411Sscottl }, 96107411Sscottl { 97107411Sscottl ID_OLV_274xD, 98107411Sscottl 0xFFFFFFFF, 99107411Sscottl "Adaptec (Olivetti OEM) 274X Differential SCSI adapter", 100107411Sscottl ahc_aic7770_EISA_setup 101107411Sscottl }, 10265942Sgibbs /* Generic chip probes for devices we don't know 'exactly' */ 10365942Sgibbs { 10465942Sgibbs ID_AIC7770, 10565942Sgibbs 0xFFFFFFFF, 10665942Sgibbs "Adaptec aic7770 SCSI adapter", 10765942Sgibbs ahc_aic7770_EISA_setup 10865942Sgibbs } 10965942Sgibbs}; 11065942Sgibbsconst int ahc_num_aic7770_devs = NUM_ELEMENTS(aic7770_ident_table); 11165942Sgibbs 11265942Sgibbsstruct aic7770_identity * 11365942Sgibbsaic7770_find_device(uint32_t id) 11465942Sgibbs{ 11565942Sgibbs struct aic7770_identity *entry; 11665942Sgibbs int i; 11765942Sgibbs 11865942Sgibbs for (i = 0; i < ahc_num_aic7770_devs; i++) { 11965942Sgibbs entry = &aic7770_ident_table[i]; 12065942Sgibbs if (entry->full_id == (id & entry->id_mask)) 12165942Sgibbs return (entry); 12265942Sgibbs } 12365942Sgibbs return (NULL); 12465942Sgibbs} 12565942Sgibbs 12665942Sgibbsint 12795378Sgibbsaic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io) 12865942Sgibbs{ 12965942Sgibbs int error; 130102669Sgibbs int have_seeprom; 13165942Sgibbs u_int hostconf; 13274094Sgibbs u_int irq; 13374094Sgibbs u_int intdef; 13465942Sgibbs 13579874Sgibbs error = entry->setup(ahc); 136102669Sgibbs have_seeprom = 0; 13765942Sgibbs if (error != 0) 13865942Sgibbs return (error); 13965942Sgibbs 14095378Sgibbs error = aic7770_map_registers(ahc, io); 14165942Sgibbs if (error != 0) 14265942Sgibbs return (error); 14365942Sgibbs 14495378Sgibbs /* 14595378Sgibbs * Before we continue probing the card, ensure that 14695378Sgibbs * its interrupts are *disabled*. We don't want 14795378Sgibbs * a misstep to hang the machine in an interrupt 14895378Sgibbs * storm. 14995378Sgibbs */ 15095378Sgibbs ahc_intr_enable(ahc, FALSE); 15195378Sgibbs 15279874Sgibbs ahc->description = entry->name; 15379874Sgibbs error = ahc_softc_init(ahc); 154114621Sgibbs if (error != 0) 155114621Sgibbs return (error); 15665942Sgibbs 157114621Sgibbs ahc->bus_chip_init = aic7770_chip_init; 158114621Sgibbs ahc->bus_suspend = aic7770_suspend; 159114621Sgibbs ahc->bus_resume = aic7770_resume; 160114621Sgibbs 161115917Sgibbs error = ahc_reset(ahc, /*reinit*/FALSE); 16265942Sgibbs if (error != 0) 16365942Sgibbs return (error); 16465942Sgibbs 16574094Sgibbs /* Make sure we have a valid interrupt vector */ 16674094Sgibbs intdef = ahc_inb(ahc, INTDEF); 16774094Sgibbs irq = intdef & VECTOR; 16874094Sgibbs switch (irq) { 16974094Sgibbs case 9: 17074094Sgibbs case 10: 17174094Sgibbs case 11: 17274094Sgibbs case 12: 17374094Sgibbs case 14: 17474094Sgibbs case 15: 17574094Sgibbs break; 17674094Sgibbs default: 177123579Sgibbs printf("aic7770_config: invalid irq setting %d\n", intdef); 17874094Sgibbs return (ENXIO); 17974094Sgibbs } 18074094Sgibbs 18174094Sgibbs if ((intdef & EDGE_TRIG) != 0) 18274094Sgibbs ahc->flags |= AHC_EDGE_INTERRUPT; 18374094Sgibbs 18479874Sgibbs switch (ahc->chip & (AHC_EISA|AHC_VL)) { 18565942Sgibbs case AHC_EISA: 18665942Sgibbs { 18765942Sgibbs u_int biosctrl; 18865942Sgibbs u_int scsiconf; 18965942Sgibbs u_int scsiconf1; 19065942Sgibbs 19165942Sgibbs biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL); 19265942Sgibbs scsiconf = ahc_inb(ahc, SCSICONF); 19365942Sgibbs scsiconf1 = ahc_inb(ahc, SCSICONF + 1); 19465942Sgibbs 19565942Sgibbs /* Get the primary channel information */ 19665942Sgibbs if ((biosctrl & CHANNEL_B_PRIMARY) != 0) 19774094Sgibbs ahc->flags |= 1; 19865942Sgibbs 19965942Sgibbs if ((biosctrl & BIOSMODE) == BIOSDISABLED) { 20065942Sgibbs ahc->flags |= AHC_USEDEFAULTS; 20165942Sgibbs } else { 20265942Sgibbs if ((ahc->features & AHC_WIDE) != 0) { 20365942Sgibbs ahc->our_id = scsiconf1 & HWSCSIID; 20465942Sgibbs if (scsiconf & TERM_ENB) 20565942Sgibbs ahc->flags |= AHC_TERM_ENB_A; 20665942Sgibbs } else { 20765942Sgibbs ahc->our_id = scsiconf & HSCSIID; 20865942Sgibbs ahc->our_id_b = scsiconf1 & HSCSIID; 20965942Sgibbs if (scsiconf & TERM_ENB) 21065942Sgibbs ahc->flags |= AHC_TERM_ENB_A; 21165942Sgibbs if (scsiconf1 & TERM_ENB) 21265942Sgibbs ahc->flags |= AHC_TERM_ENB_B; 21365942Sgibbs } 21465942Sgibbs } 215102669Sgibbs if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS)) 216102669Sgibbs ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B; 21765942Sgibbs break; 21865942Sgibbs } 21965942Sgibbs case AHC_VL: 22065942Sgibbs { 221102669Sgibbs have_seeprom = aha2840_load_seeprom(ahc); 22265942Sgibbs break; 22365942Sgibbs } 22465942Sgibbs default: 22565942Sgibbs break; 22665942Sgibbs } 227102669Sgibbs if (have_seeprom == 0) { 228102669Sgibbs free(ahc->seep_config, M_DEVBUF); 229102669Sgibbs ahc->seep_config = NULL; 230102669Sgibbs } 23165942Sgibbs 23265942Sgibbs /* 23365942Sgibbs * Ensure autoflush is enabled 23465942Sgibbs */ 23565942Sgibbs ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS); 23665942Sgibbs 23765942Sgibbs /* Setup the FIFO threshold and the bus off time */ 23865942Sgibbs hostconf = ahc_inb(ahc, HOSTCONF); 23965942Sgibbs ahc_outb(ahc, BUSSPD, hostconf & DFTHRSH); 24065942Sgibbs ahc_outb(ahc, BUSTIME, (hostconf << 2) & BOFF); 24165942Sgibbs 242114621Sgibbs ahc->bus_softc.aic7770_softc.busspd = hostconf & DFTHRSH; 243114621Sgibbs ahc->bus_softc.aic7770_softc.bustime = (hostconf << 2) & BOFF; 244114621Sgibbs 24565942Sgibbs /* 24665942Sgibbs * Generic aic7xxx initialization. 24765942Sgibbs */ 24865942Sgibbs error = ahc_init(ahc); 24965942Sgibbs if (error != 0) 25065942Sgibbs return (error); 25165942Sgibbs 252102669Sgibbs error = aic7770_map_int(ahc, irq); 253102669Sgibbs if (error != 0) 254102669Sgibbs return (error); 255102669Sgibbs 256168807Sscottl ahc_lock(ahc); 25765942Sgibbs /* 25871390Sgibbs * Link this softc in with all other ahc instances. 25971390Sgibbs */ 26071390Sgibbs ahc_softc_insert(ahc); 26171390Sgibbs 26271390Sgibbs /* 26365942Sgibbs * Enable the board's BUS drivers 26465942Sgibbs */ 26565942Sgibbs ahc_outb(ahc, BCTL, ENABLE); 26665942Sgibbs 267168807Sscottl ahc_unlock(ahc); 26874972Sgibbs 26965942Sgibbs return (0); 27065942Sgibbs} 27165942Sgibbs 272114621Sgibbsstatic int 273114621Sgibbsaic7770_chip_init(struct ahc_softc *ahc) 274114621Sgibbs{ 275114621Sgibbs ahc_outb(ahc, BUSSPD, ahc->bus_softc.aic7770_softc.busspd); 276114621Sgibbs ahc_outb(ahc, BUSTIME, ahc->bus_softc.aic7770_softc.bustime); 277114621Sgibbs ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS); 278114621Sgibbs ahc_outb(ahc, BCTL, ENABLE); 279114621Sgibbs return (ahc_chip_init(ahc)); 280114621Sgibbs} 281114621Sgibbs 282114621Sgibbsstatic int 283114621Sgibbsaic7770_suspend(struct ahc_softc *ahc) 284114621Sgibbs{ 285114621Sgibbs return (ahc_suspend(ahc)); 286114621Sgibbs} 287114621Sgibbs 288114621Sgibbsstatic int 289114621Sgibbsaic7770_resume(struct ahc_softc *ahc) 290114621Sgibbs{ 291114621Sgibbs return (ahc_resume(ahc)); 292114621Sgibbs} 293114621Sgibbs 29465942Sgibbs/* 29565942Sgibbs * Read the 284x SEEPROM. 29665942Sgibbs */ 297102669Sgibbsstatic int 29865942Sgibbsaha2840_load_seeprom(struct ahc_softc *ahc) 29965942Sgibbs{ 300102669Sgibbs struct seeprom_descriptor sd; 301102669Sgibbs struct seeprom_config *sc; 302102669Sgibbs int have_seeprom; 303102669Sgibbs uint8_t scsi_conf; 30465942Sgibbs 30565942Sgibbs sd.sd_ahc = ahc; 30665942Sgibbs sd.sd_control_offset = SEECTL_2840; 30765942Sgibbs sd.sd_status_offset = STATUS_2840; 30865942Sgibbs sd.sd_dataout_offset = STATUS_2840; 30965942Sgibbs sd.sd_chip = C46; 31065942Sgibbs sd.sd_MS = 0; 31165942Sgibbs sd.sd_RDY = EEPROM_TF; 31265942Sgibbs sd.sd_CS = CS_2840; 31365942Sgibbs sd.sd_CK = CK_2840; 31465942Sgibbs sd.sd_DO = DO_2840; 31565942Sgibbs sd.sd_DI = DI_2840; 316102669Sgibbs sc = ahc->seep_config; 31765942Sgibbs 31865942Sgibbs if (bootverbose) 31965942Sgibbs printf("%s: Reading SEEPROM...", ahc_name(ahc)); 320104231Sgibbs have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)sc, 321114621Sgibbs /*start_addr*/0, sizeof(*sc)/2); 32265942Sgibbs 32365942Sgibbs if (have_seeprom) { 32465942Sgibbs 325102669Sgibbs if (ahc_verify_cksum(sc) == 0) { 32665942Sgibbs if(bootverbose) 32765942Sgibbs printf ("checksum error\n"); 32865942Sgibbs have_seeprom = 0; 32965942Sgibbs } else if (bootverbose) { 33065942Sgibbs printf("done.\n"); 33165942Sgibbs } 33265942Sgibbs } 33365942Sgibbs 33465942Sgibbs if (!have_seeprom) { 33565942Sgibbs if (bootverbose) 33665942Sgibbs printf("%s: No SEEPROM available\n", ahc_name(ahc)); 33765942Sgibbs ahc->flags |= AHC_USEDEFAULTS; 33865942Sgibbs } else { 33965942Sgibbs /* 34065942Sgibbs * Put the data we've collected down into SRAM 34165942Sgibbs * where ahc_init will find it. 34265942Sgibbs */ 343102669Sgibbs int i; 344102669Sgibbs int max_targ; 34565942Sgibbs uint16_t discenable; 34665942Sgibbs 347102669Sgibbs max_targ = (ahc->features & AHC_WIDE) != 0 ? 16 : 8; 34865942Sgibbs discenable = 0; 34965942Sgibbs for (i = 0; i < max_targ; i++){ 350102669Sgibbs uint8_t target_settings; 351102669Sgibbs 352102669Sgibbs target_settings = (sc->device_flags[i] & CFXFER) << 4; 353102669Sgibbs if (sc->device_flags[i] & CFSYNCH) 35465942Sgibbs target_settings |= SOFS; 355102669Sgibbs if (sc->device_flags[i] & CFWIDEB) 35665942Sgibbs target_settings |= WIDEXFER; 357102669Sgibbs if (sc->device_flags[i] & CFDISC) 35865942Sgibbs discenable |= (0x01 << i); 35965942Sgibbs ahc_outb(ahc, TARG_SCSIRATE + i, target_settings); 36065942Sgibbs } 36165942Sgibbs ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff)); 36265942Sgibbs ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff)); 36365942Sgibbs 364102669Sgibbs ahc->our_id = sc->brtime_id & CFSCSIID; 36565942Sgibbs 36665942Sgibbs scsi_conf = (ahc->our_id & 0x7); 367102669Sgibbs if (sc->adapter_control & CFSPARITY) 36865942Sgibbs scsi_conf |= ENSPCHK; 369102669Sgibbs if (sc->adapter_control & CFRESETB) 37065942Sgibbs scsi_conf |= RESET_SCSI; 37165942Sgibbs 372102669Sgibbs if (sc->bios_control & CF284XEXTEND) 37365942Sgibbs ahc->flags |= AHC_EXTENDED_TRANS_A; 37465942Sgibbs /* Set SCSICONF info */ 37565942Sgibbs ahc_outb(ahc, SCSICONF, scsi_conf); 37665942Sgibbs 377102669Sgibbs if (sc->adapter_control & CF284XSTERM) 37865942Sgibbs ahc->flags |= AHC_TERM_ENB_A; 37965942Sgibbs } 380102669Sgibbs return (have_seeprom); 38165942Sgibbs} 38265942Sgibbs 38365942Sgibbsstatic int 38479874Sgibbsahc_aic7770_VL_setup(struct ahc_softc *ahc) 38565942Sgibbs{ 38665942Sgibbs int error; 38765942Sgibbs 38879874Sgibbs error = ahc_aic7770_setup(ahc); 38979874Sgibbs ahc->chip |= AHC_VL; 39065942Sgibbs return (error); 39165942Sgibbs} 39265942Sgibbs 39365942Sgibbsstatic int 39479874Sgibbsahc_aic7770_EISA_setup(struct ahc_softc *ahc) 39565942Sgibbs{ 39665942Sgibbs int error; 39765942Sgibbs 39879874Sgibbs error = ahc_aic7770_setup(ahc); 39979874Sgibbs ahc->chip |= AHC_EISA; 40065942Sgibbs return (error); 40165942Sgibbs} 40265942Sgibbs 40365942Sgibbsstatic int 40479874Sgibbsahc_aic7770_setup(struct ahc_softc *ahc) 40565942Sgibbs{ 40679874Sgibbs ahc->channel = 'A'; 40779874Sgibbs ahc->channel_b = 'B'; 40879874Sgibbs ahc->chip = AHC_AIC7770; 40979874Sgibbs ahc->features = AHC_AIC7770_FE; 41079874Sgibbs ahc->bugs |= AHC_TMODE_WIDEODD_BUG; 41179874Sgibbs ahc->flags |= AHC_PAGESCBS; 412114621Sgibbs ahc->instruction_ram_size = 448; 41365942Sgibbs return (0); 41465942Sgibbs} 415