b73b70cca7
Honor the extended translation setting for EISA cards now that I've determined where this information is kept. Defer card interrupt enabling to the OSM since it may have some initialization to perform that must occur before interrupts can be enabled.
362 lines
8.7 KiB
C
362 lines
8.7 KiB
C
/*
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* Product specific probe and attach routines for:
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* 27/284X and aic7770 motherboard SCSI controllers
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*
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* Copyright (c) 1994-1998, 2000, 2001 Justin T. Gibbs.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*
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* $Id: //depot/aic7xxx/aic7xxx/aic7770.c#25 $
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*
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* $FreeBSD$
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*/
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#ifdef __linux__
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#include "aic7xxx_osm.h"
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#include "aic7xxx_inline.h"
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#include "aic7xxx_93cx6.h"
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#else
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#include <dev/aic7xxx/aic7xxx_osm.h>
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#include <dev/aic7xxx/aic7xxx_inline.h>
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#include <dev/aic7xxx/aic7xxx_93cx6.h>
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#endif
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#define ID_AIC7770 0x04907770
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#define ID_AHA_274x 0x04907771
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#define ID_AHA_284xB 0x04907756 /* BIOS enabled */
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#define ID_AHA_284x 0x04907757 /* BIOS disabled*/
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static int aha2840_load_seeprom(struct ahc_softc *ahc);
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static ahc_device_setup_t ahc_aic7770_VL_setup;
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static ahc_device_setup_t ahc_aic7770_EISA_setup;;
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static ahc_device_setup_t ahc_aic7770_setup;
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struct aic7770_identity aic7770_ident_table [] =
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{
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{
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ID_AHA_274x,
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0xFFFFFFFF,
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"Adaptec 274X SCSI adapter",
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ahc_aic7770_EISA_setup
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},
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{
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ID_AHA_284xB,
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0xFFFFFFFE,
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"Adaptec 284X SCSI adapter",
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ahc_aic7770_VL_setup
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},
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/* Generic chip probes for devices we don't know 'exactly' */
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{
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ID_AIC7770,
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0xFFFFFFFF,
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"Adaptec aic7770 SCSI adapter",
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ahc_aic7770_EISA_setup
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}
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};
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const int ahc_num_aic7770_devs = NUM_ELEMENTS(aic7770_ident_table);
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struct aic7770_identity *
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aic7770_find_device(uint32_t id)
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{
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struct aic7770_identity *entry;
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int i;
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for (i = 0; i < ahc_num_aic7770_devs; i++) {
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entry = &aic7770_ident_table[i];
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if (entry->full_id == (id & entry->id_mask))
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return (entry);
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}
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return (NULL);
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}
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int
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aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io)
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{
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u_long l;
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int error;
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int have_seeprom;
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u_int hostconf;
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u_int irq;
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u_int intdef;
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error = entry->setup(ahc);
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have_seeprom = 0;
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if (error != 0)
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return (error);
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error = aic7770_map_registers(ahc, io);
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if (error != 0)
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return (error);
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/*
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* Before we continue probing the card, ensure that
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* its interrupts are *disabled*. We don't want
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* a misstep to hang the machine in an interrupt
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* storm.
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*/
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ahc_intr_enable(ahc, FALSE);
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ahc->description = entry->name;
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error = ahc_softc_init(ahc);
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error = ahc_reset(ahc);
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if (error != 0)
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return (error);
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/* Make sure we have a valid interrupt vector */
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intdef = ahc_inb(ahc, INTDEF);
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irq = intdef & VECTOR;
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switch (irq) {
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case 9:
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case 10:
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case 11:
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case 12:
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case 14:
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case 15:
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break;
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default:
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printf("aic7770_config: illegal irq setting %d\n", intdef);
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return (ENXIO);
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}
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if ((intdef & EDGE_TRIG) != 0)
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ahc->flags |= AHC_EDGE_INTERRUPT;
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switch (ahc->chip & (AHC_EISA|AHC_VL)) {
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case AHC_EISA:
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{
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u_int biosctrl;
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u_int scsiconf;
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u_int scsiconf1;
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biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL);
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scsiconf = ahc_inb(ahc, SCSICONF);
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scsiconf1 = ahc_inb(ahc, SCSICONF + 1);
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/* Get the primary channel information */
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if ((biosctrl & CHANNEL_B_PRIMARY) != 0)
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ahc->flags |= 1;
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if ((biosctrl & BIOSMODE) == BIOSDISABLED) {
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ahc->flags |= AHC_USEDEFAULTS;
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} else {
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if ((ahc->features & AHC_WIDE) != 0) {
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ahc->our_id = scsiconf1 & HWSCSIID;
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if (scsiconf & TERM_ENB)
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ahc->flags |= AHC_TERM_ENB_A;
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} else {
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ahc->our_id = scsiconf & HSCSIID;
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ahc->our_id_b = scsiconf1 & HSCSIID;
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if (scsiconf & TERM_ENB)
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ahc->flags |= AHC_TERM_ENB_A;
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if (scsiconf1 & TERM_ENB)
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ahc->flags |= AHC_TERM_ENB_B;
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}
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}
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if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS))
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ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B;
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break;
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}
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case AHC_VL:
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{
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have_seeprom = aha2840_load_seeprom(ahc);
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break;
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}
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default:
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break;
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}
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if (have_seeprom == 0) {
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free(ahc->seep_config, M_DEVBUF);
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ahc->seep_config = NULL;
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}
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/*
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* Ensure autoflush is enabled
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*/
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ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS);
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/* Setup the FIFO threshold and the bus off time */
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hostconf = ahc_inb(ahc, HOSTCONF);
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ahc_outb(ahc, BUSSPD, hostconf & DFTHRSH);
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ahc_outb(ahc, BUSTIME, (hostconf << 2) & BOFF);
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/*
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* Generic aic7xxx initialization.
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*/
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error = ahc_init(ahc);
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if (error != 0)
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return (error);
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error = aic7770_map_int(ahc, irq);
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if (error != 0)
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return (error);
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ahc_list_lock(&l);
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/*
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* Link this softc in with all other ahc instances.
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*/
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ahc_softc_insert(ahc);
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/*
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* Enable the board's BUS drivers
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*/
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ahc_outb(ahc, BCTL, ENABLE);
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ahc_list_unlock(&l);
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return (0);
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}
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/*
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* Read the 284x SEEPROM.
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*/
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static int
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aha2840_load_seeprom(struct ahc_softc *ahc)
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{
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struct seeprom_descriptor sd;
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struct seeprom_config *sc;
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int have_seeprom;
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uint8_t scsi_conf;
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sd.sd_ahc = ahc;
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sd.sd_control_offset = SEECTL_2840;
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sd.sd_status_offset = STATUS_2840;
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sd.sd_dataout_offset = STATUS_2840;
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sd.sd_chip = C46;
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sd.sd_MS = 0;
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sd.sd_RDY = EEPROM_TF;
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sd.sd_CS = CS_2840;
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sd.sd_CK = CK_2840;
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sd.sd_DO = DO_2840;
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sd.sd_DI = DI_2840;
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sc = ahc->seep_config;
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if (bootverbose)
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printf("%s: Reading SEEPROM...", ahc_name(ahc));
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have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)&sc,
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/*start_addr*/0, sizeof(sc)/2);
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if (have_seeprom) {
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if (ahc_verify_cksum(sc) == 0) {
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if(bootverbose)
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printf ("checksum error\n");
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have_seeprom = 0;
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} else if (bootverbose) {
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printf("done.\n");
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}
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}
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if (!have_seeprom) {
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if (bootverbose)
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printf("%s: No SEEPROM available\n", ahc_name(ahc));
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ahc->flags |= AHC_USEDEFAULTS;
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} else {
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/*
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* Put the data we've collected down into SRAM
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* where ahc_init will find it.
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*/
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int i;
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int max_targ;
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uint16_t discenable;
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max_targ = (ahc->features & AHC_WIDE) != 0 ? 16 : 8;
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discenable = 0;
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for (i = 0; i < max_targ; i++){
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uint8_t target_settings;
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target_settings = (sc->device_flags[i] & CFXFER) << 4;
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if (sc->device_flags[i] & CFSYNCH)
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target_settings |= SOFS;
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if (sc->device_flags[i] & CFWIDEB)
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target_settings |= WIDEXFER;
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if (sc->device_flags[i] & CFDISC)
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discenable |= (0x01 << i);
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ahc_outb(ahc, TARG_SCSIRATE + i, target_settings);
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}
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ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff));
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ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff));
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ahc->our_id = sc->brtime_id & CFSCSIID;
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scsi_conf = (ahc->our_id & 0x7);
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if (sc->adapter_control & CFSPARITY)
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scsi_conf |= ENSPCHK;
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if (sc->adapter_control & CFRESETB)
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scsi_conf |= RESET_SCSI;
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if (sc->bios_control & CF284XEXTEND)
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ahc->flags |= AHC_EXTENDED_TRANS_A;
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/* Set SCSICONF info */
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ahc_outb(ahc, SCSICONF, scsi_conf);
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if (sc->adapter_control & CF284XSTERM)
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ahc->flags |= AHC_TERM_ENB_A;
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}
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return (have_seeprom);
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}
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static int
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ahc_aic7770_VL_setup(struct ahc_softc *ahc)
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{
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int error;
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error = ahc_aic7770_setup(ahc);
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ahc->chip |= AHC_VL;
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return (error);
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}
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static int
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ahc_aic7770_EISA_setup(struct ahc_softc *ahc)
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{
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int error;
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error = ahc_aic7770_setup(ahc);
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ahc->chip |= AHC_EISA;
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return (error);
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}
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static int
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ahc_aic7770_setup(struct ahc_softc *ahc)
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{
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ahc->channel = 'A';
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ahc->channel_b = 'B';
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ahc->chip = AHC_AIC7770;
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ahc->features = AHC_AIC7770_FE;
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ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
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ahc->flags |= AHC_PAGESCBS;
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return (0);
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}
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