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Annotation of sys/dev/pci/ahc_pci.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: ahc_pci.c,v 1.51 2007/05/14 01:37:50 deraadt Exp $    */
        !             2: /*
        !             3:  * Product specific probe and attach routines for:
        !             4:  *      3940, 2940, aic7895, aic7890, aic7880,
        !             5:  *     aic7870, aic7860 and aic7850 SCSI controllers
        !             6:  *
        !             7:  * Copyright (c) 1994-2001 Justin T. Gibbs.
        !             8:  * Copyright (c) 2000-2001 Adaptec Inc.
        !             9:  * All rights reserved.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions, and the following disclaimer,
        !            16:  *    without modification.
        !            17:  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
        !            18:  *    substantially similar to the "NO WARRANTY" disclaimer below
        !            19:  *    ("Disclaimer") and any redistribution must be conditioned upon
        !            20:  *    including a substantially similar Disclaimer requirement for further
        !            21:  *    binary redistribution.
        !            22:  * 3. Neither the names of the above-listed copyright holders nor the names
        !            23:  *    of any contributors may be used to endorse or promote products derived
        !            24:  *    from this software without specific prior written permission.
        !            25:  *
        !            26:  * Alternatively, this software may be distributed under the terms of the
        !            27:  * GNU General Public License ("GPL") version 2 as published by the Free
        !            28:  * Software Foundation.
        !            29:  *
        !            30:  * NO WARRANTY
        !            31:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
        !            32:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
        !            33:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
        !            34:  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
        !            35:  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            36:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            37:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            38:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            39:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
        !            40:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            41:  * POSSIBILITY OF SUCH DAMAGES.
        !            42:  *
        !            43:  * $Id: ahc_pci.c,v 1.51 2007/05/14 01:37:50 deraadt Exp $
        !            44:  *
        !            45:  * //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#57 $
        !            46:  *
        !            47:  * $FreeBSD: /repoman/r/ncvs/src/sys/dev/aic7xxx/aic7xxx_pci.c,v 1.22 2003/01/20 20:44:55 gibbs Exp $
        !            48:  */
        !            49: /*
        !            50:  * Ported from FreeBSD by Pascal Renauld, Network Storage Solutions, Inc. - April 2003
        !            51:  */
        !            52:
        !            53: #include <sys/cdefs.h>
        !            54: /* __KERNEL_RCSID(0, "$NetBSD: ahc_pci.c,v 1.43 2003/08/18 09:16:22 taca Exp $"); */
        !            55:
        !            56: #include <sys/param.h>
        !            57: #include <sys/systm.h>
        !            58: #include <sys/malloc.h>
        !            59: #include <sys/kernel.h>
        !            60: #include <sys/queue.h>
        !            61: #include <sys/device.h>
        !            62: #include <sys/reboot.h>
        !            63:
        !            64: #include <machine/bus.h>
        !            65: #include <machine/intr.h>
        !            66:
        !            67: #include <dev/pci/pcireg.h>
        !            68: #include <dev/pci/pcivar.h>
        !            69:
        !            70: #define AHC_PCI_IOADDR PCI_MAPREG_START        /* I/O Address */
        !            71: #define AHC_PCI_MEMADDR        (PCI_MAPREG_START + 4)  /* Mem I/O Address */
        !            72:
        !            73: #include <dev/ic/aic7xxx_openbsd.h>
        !            74: #include <dev/ic/aic7xxx_inline.h>
        !            75:
        !            76: #include <dev/ic/smc93cx6var.h>
        !            77:
        !            78: #ifndef __i386__
        !            79: #define AHC_ALLOW_MEMIO
        !            80: #endif
        !            81:
        !            82: static __inline uint64_t
        !            83: ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
        !            84: {
        !            85:        uint64_t id;
        !            86:
        !            87:        id = subvendor
        !            88:           | (subdevice << 16)
        !            89:           | ((uint64_t)vendor << 32)
        !            90:           | ((uint64_t)device << 48);
        !            91:
        !            92:        return (id);
        !            93: }
        !            94:
        !            95: #define ID_ALL_MASK                    0xFFFFFFFFFFFFFFFFull
        !            96: #define ID_DEV_VENDOR_MASK             0xFFFFFFFF00000000ull
        !            97: #define ID_9005_GENERIC_MASK           0xFFF0FFFF00000000ull
        !            98: #define ID_9005_SISL_MASK              0x000FFFFF00000000ull
        !            99: #define ID_9005_SISL_ID                        0x0005900500000000ull
        !           100: #define ID_AIC7850                     0x5078900400000000ull
        !           101: #define ID_AHA_2902_04_10_15_20_30C    0x5078900478509004ull
        !           102: #define ID_AIC7855                     0x5578900400000000ull
        !           103: #define ID_AIC7859                     0x3860900400000000ull
        !           104: #define ID_AHA_2930CU                  0x3860900438699004ull
        !           105: #define ID_AIC7860                     0x6078900400000000ull
        !           106: #define ID_AIC7860C                    0x6078900478609004ull
        !           107: #define ID_AHA_1480A                   0x6075900400000000ull
        !           108: #define ID_AHA_2940AU_0                        0x6178900400000000ull
        !           109: #define ID_AHA_2940AU_1                        0x6178900478619004ull
        !           110: #define ID_AHA_2940AU_CN               0x2178900478219004ull
        !           111: #define ID_AHA_2930C_VAR               0x6038900438689004ull
        !           112:
        !           113: #define ID_AIC7870                     0x7078900400000000ull
        !           114: #define ID_AHA_2940                    0x7178900400000000ull
        !           115: #define ID_AHA_3940                    0x7278900400000000ull
        !           116: #define ID_AHA_398X                    0x7378900400000000ull
        !           117: #define ID_AHA_2944                    0x7478900400000000ull
        !           118: #define ID_AHA_3944                    0x7578900400000000ull
        !           119: #define ID_AHA_4944                    0x7678900400000000ull
        !           120:
        !           121: #define ID_AIC7880                     0x8078900400000000ull
        !           122: #define ID_AIC7880_B                   0x8078900478809004ull
        !           123: #define ID_AHA_2940U                   0x8178900400000000ull
        !           124: #define ID_AHA_3940U                   0x8278900400000000ull
        !           125: #define ID_AHA_2944U                   0x8478900400000000ull
        !           126: #define ID_AHA_3944U                   0x8578900400000000ull
        !           127: #define ID_AHA_398XU                   0x8378900400000000ull
        !           128: #define ID_AHA_4944U                   0x8678900400000000ull
        !           129: #define ID_AHA_2940UB                  0x8178900478819004ull
        !           130: #define ID_AHA_2930U                   0x8878900478889004ull
        !           131: #define ID_AHA_2940U_PRO               0x8778900478879004ull
        !           132: #define ID_AHA_2940U_CN                        0x0078900478009004ull
        !           133:
        !           134: #define ID_AIC7895                     0x7895900478959004ull
        !           135: #define ID_AIC7895_ARO                 0x7890900478939004ull
        !           136: #define ID_AIC7895_ARO_MASK            0xFFF0FFFFFFFFFFFFull
        !           137: #define ID_AHA_2940U_DUAL              0x7895900478919004ull
        !           138: #define ID_AHA_3940AU                  0x7895900478929004ull
        !           139: #define ID_AHA_3944AU                  0x7895900478949004ull
        !           140:
        !           141: #define ID_AIC7890                     0x001F9005000F9005ull
        !           142: #define ID_AIC7890_ARO                 0x00139005000F9005ull
        !           143: #define ID_AAA_131U2                   0x0013900500039005ull
        !           144: #define ID_AHA_2930U2                  0x0011900501819005ull
        !           145: #define ID_AHA_2940U2B                 0x00109005A1009005ull
        !           146: #define ID_AHA_2940U2_OEM              0x0010900521809005ull
        !           147: #define ID_AHA_2940U2                  0x00109005A1809005ull
        !           148: #define ID_AHA_2950U2B                 0x00109005E1009005ull
        !           149:
        !           150: #define ID_AIC7892                     0x008F9005FFFF9005ull
        !           151: #define ID_AIC7892_ARO                 0x00839005FFFF9005ull
        !           152: #define ID_AHA_2915LP                  0x0082900502109005ull
        !           153: #define ID_AHA_29160                   0x00809005E2A09005ull
        !           154: #define ID_AHA_29160_CPQ               0x00809005E2A00E11ull
        !           155: #define ID_AHA_29160N                  0x0080900562A09005ull
        !           156: #define ID_AHA_29160C                  0x0080900562209005ull
        !           157: #define ID_AHA_29160B                  0x00809005E2209005ull
        !           158: #define ID_AHA_19160B                  0x0081900562A19005ull
        !           159:
        !           160: #define ID_AIC7896                     0x005F9005FFFF9005ull
        !           161: #define ID_AIC7896_ARO                 0x00539005FFFF9005ull
        !           162: #define ID_AHA_3950U2B_0               0x00509005FFFF9005ull
        !           163: #define ID_AHA_3950U2B_1               0x00509005F5009005ull
        !           164: #define ID_AHA_3950U2D_0               0x00519005FFFF9005ull
        !           165: #define ID_AHA_3950U2D_1               0x00519005B5009005ull
        !           166:
        !           167: #define ID_AIC7899                     0x00CF9005FFFF9005ull
        !           168: #define ID_AIC7899_ARO                 0x00C39005FFFF9005ull
        !           169: #define ID_AHA_3960D                   0x00C09005F6209005ull
        !           170: #define ID_AHA_3960D_CPQ               0x00C09005F6200E11ull
        !           171:
        !           172: #define ID_AIC7810                     0x1078900400000000ull
        !           173: #define ID_AIC7815                     0x7815900400000000ull
        !           174:
        !           175: #define DEVID_9005_TYPE(id) ((id) & 0xF)
        !           176: #define                DEVID_9005_TYPE_HBA             0x0     /* Standard Card */
        !           177: #define                DEVID_9005_TYPE_AAA             0x3     /* RAID Card */
        !           178: #define                DEVID_9005_TYPE_SISL            0x5     /* Container ROMB */
        !           179: #define                DEVID_9005_TYPE_MB              0xF     /* On Motherboard */
        !           180:
        !           181: #define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
        !           182: #define                DEVID_9005_MAXRATE_U160         0x0
        !           183: #define                DEVID_9005_MAXRATE_ULTRA2       0x1
        !           184: #define                DEVID_9005_MAXRATE_ULTRA        0x2
        !           185: #define                DEVID_9005_MAXRATE_FAST         0x3
        !           186:
        !           187: #define DEVID_9005_MFUNC(id) (((id) & 0x40) >> 6)
        !           188:
        !           189: #define DEVID_9005_CLASS(id) (((id) & 0xFF00) >> 8)
        !           190: #define                DEVID_9005_CLASS_SPI            0x0     /* Parallel SCSI */
        !           191:
        !           192: #define SUBID_9005_TYPE(id) ((id) & 0xF)
        !           193: #define                SUBID_9005_TYPE_MB              0xF     /* On Motherboard */
        !           194: #define                SUBID_9005_TYPE_CARD            0x0     /* Standard Card */
        !           195: #define                SUBID_9005_TYPE_LCCARD          0x1     /* Low Cost Card */
        !           196: #define                SUBID_9005_TYPE_RAID            0x3     /* Combined with Raid */
        !           197:
        !           198: #define SUBID_9005_TYPE_KNOWN(id)                      \
        !           199:          ((((id) & 0xF) == SUBID_9005_TYPE_MB)         \
        !           200:        || (((id) & 0xF) == SUBID_9005_TYPE_CARD)       \
        !           201:        || (((id) & 0xF) == SUBID_9005_TYPE_LCCARD)     \
        !           202:        || (((id) & 0xF) == SUBID_9005_TYPE_RAID))
        !           203:
        !           204: #define SUBID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
        !           205: #define                SUBID_9005_MAXRATE_ULTRA2       0x0
        !           206: #define                SUBID_9005_MAXRATE_ULTRA        0x1
        !           207: #define                SUBID_9005_MAXRATE_U160         0x2
        !           208: #define                SUBID_9005_MAXRATE_RESERVED     0x3
        !           209:
        !           210: #define SUBID_9005_SEEPTYPE(id)                                                \
        !           211:        ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)                    \
        !           212:         ? ((id) & 0xC0) >> 6                                           \
        !           213:         : ((id) & 0x300) >> 8)
        !           214: #define                SUBID_9005_SEEPTYPE_NONE        0x0
        !           215: #define                SUBID_9005_SEEPTYPE_1K          0x1
        !           216: #define                SUBID_9005_SEEPTYPE_2K_4K       0x2
        !           217: #define                SUBID_9005_SEEPTYPE_RESERVED    0x3
        !           218: #define SUBID_9005_AUTOTERM(id)                                                \
        !           219:        ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)                    \
        !           220:         ? (((id) & 0x400) >> 10) == 0                                  \
        !           221:         : (((id) & 0x40) >> 6) == 0)
        !           222:
        !           223: #define SUBID_9005_NUMCHAN(id)                                         \
        !           224:        ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)                    \
        !           225:         ? ((id) & 0x300) >> 8                                          \
        !           226:         : ((id) & 0xC00) >> 10)
        !           227:
        !           228: #define SUBID_9005_LEGACYCONN(id)                                      \
        !           229:        ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)                    \
        !           230:         ? 0                                                            \
        !           231:         : ((id) & 0x80) >> 7)
        !           232:
        !           233: #define SUBID_9005_MFUNCENB(id)                                                \
        !           234:        ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)                    \
        !           235:         ? ((id) & 0x800) >> 11                                         \
        !           236:         : ((id) & 0x1000) >> 12)
        !           237: /*
        !           238:  * Informational only. Should use chip register to be
        !           239:  * certain, but may be use in identification strings.
        !           240:  */
        !           241: #define SUBID_9005_CARD_SCSIWIDTH_MASK 0x2000
        !           242: #define SUBID_9005_CARD_PCIWIDTH_MASK  0x4000
        !           243: #define SUBID_9005_CARD_SEDIFF_MASK    0x8000
        !           244:
        !           245: static ahc_device_setup_t ahc_aic785X_setup;
        !           246: static ahc_device_setup_t ahc_aic7860_setup;
        !           247: static ahc_device_setup_t ahc_apa1480_setup;
        !           248: static ahc_device_setup_t ahc_aic7870_setup;
        !           249: static ahc_device_setup_t ahc_aha394X_setup;
        !           250: static ahc_device_setup_t ahc_aha494X_setup;
        !           251: static ahc_device_setup_t ahc_aha398X_setup;
        !           252: static ahc_device_setup_t ahc_aic7880_setup;
        !           253: static ahc_device_setup_t ahc_aha2940Pro_setup;
        !           254: static ahc_device_setup_t ahc_aha394XU_setup;
        !           255: static ahc_device_setup_t ahc_aha398XU_setup;
        !           256: static ahc_device_setup_t ahc_aic7890_setup;
        !           257: static ahc_device_setup_t ahc_aic7892_setup;
        !           258: static ahc_device_setup_t ahc_aic7895_setup;
        !           259: static ahc_device_setup_t ahc_aic7896_setup;
        !           260: static ahc_device_setup_t ahc_aic7899_setup;
        !           261: static ahc_device_setup_t ahc_aha29160C_setup;
        !           262: static ahc_device_setup_t ahc_raid_setup;
        !           263: static ahc_device_setup_t ahc_aha394XX_setup;
        !           264: static ahc_device_setup_t ahc_aha494XX_setup;
        !           265: static ahc_device_setup_t ahc_aha398XX_setup;
        !           266:
        !           267: struct ahc_pci_identity ahc_pci_ident_table [] =
        !           268: {
        !           269:        /* aic7850 based controllers */
        !           270:        {
        !           271:                ID_AHA_2902_04_10_15_20_30C,
        !           272:                ID_ALL_MASK,
        !           273:                ahc_aic785X_setup
        !           274:        },
        !           275:        /* aic7860 based controllers */
        !           276:        {
        !           277:                ID_AHA_2930CU,
        !           278:                ID_ALL_MASK,
        !           279:                ahc_aic7860_setup
        !           280:        },
        !           281:        {
        !           282:                ID_AHA_1480A & ID_DEV_VENDOR_MASK,
        !           283:                ID_DEV_VENDOR_MASK,
        !           284:                ahc_apa1480_setup
        !           285:        },
        !           286:        {
        !           287:                ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK,
        !           288:                ID_DEV_VENDOR_MASK,
        !           289:                ahc_aic7860_setup
        !           290:        },
        !           291:        {
        !           292:                ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK,
        !           293:                ID_DEV_VENDOR_MASK,
        !           294:                ahc_aic7860_setup
        !           295:        },
        !           296:        {
        !           297:                ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK,
        !           298:                ID_DEV_VENDOR_MASK,
        !           299:                ahc_aic7860_setup
        !           300:        },
        !           301:        /* aic7870 based controllers */
        !           302:        {
        !           303:                ID_AHA_2940,
        !           304:                ID_ALL_MASK,
        !           305:                ahc_aic7870_setup
        !           306:        },
        !           307:        {
        !           308:                ID_AHA_3940,
        !           309:                ID_ALL_MASK,
        !           310:                ahc_aha394X_setup
        !           311:        },
        !           312:        {
        !           313:                ID_AHA_398X,
        !           314:                ID_ALL_MASK,
        !           315:                ahc_aha398X_setup
        !           316:        },
        !           317:        {
        !           318:                ID_AHA_2944,
        !           319:                ID_ALL_MASK,
        !           320:                ahc_aic7870_setup
        !           321:        },
        !           322:        {
        !           323:                ID_AHA_3944,
        !           324:                ID_ALL_MASK,
        !           325:                ahc_aha394X_setup
        !           326:        },
        !           327:        {
        !           328:                ID_AHA_4944,
        !           329:                ID_ALL_MASK,
        !           330:                ahc_aha494X_setup
        !           331:        },
        !           332:        /* aic7880 based controllers */
        !           333:        {
        !           334:                ID_AHA_2940U & ID_DEV_VENDOR_MASK,
        !           335:                ID_DEV_VENDOR_MASK,
        !           336:                ahc_aic7880_setup
        !           337:        },
        !           338:        {
        !           339:                ID_AHA_3940U & ID_DEV_VENDOR_MASK,
        !           340:                ID_DEV_VENDOR_MASK,
        !           341:                ahc_aha394XU_setup
        !           342:        },
        !           343:        {
        !           344:                ID_AHA_2944U & ID_DEV_VENDOR_MASK,
        !           345:                ID_DEV_VENDOR_MASK,
        !           346:                ahc_aic7880_setup
        !           347:        },
        !           348:        {
        !           349:                ID_AHA_3944U & ID_DEV_VENDOR_MASK,
        !           350:                ID_DEV_VENDOR_MASK,
        !           351:                ahc_aha394XU_setup
        !           352:        },
        !           353:        {
        !           354:                ID_AHA_398XU & ID_DEV_VENDOR_MASK,
        !           355:                ID_DEV_VENDOR_MASK,
        !           356:                ahc_aha398XU_setup
        !           357:        },
        !           358:        {
        !           359:                /*
        !           360:                 * XXX Don't know the slot numbers
        !           361:                 * so we can't identify channels
        !           362:                 */
        !           363:                ID_AHA_4944U & ID_DEV_VENDOR_MASK,
        !           364:                ID_DEV_VENDOR_MASK,
        !           365:                ahc_aic7880_setup
        !           366:        },
        !           367:        {
        !           368:                ID_AHA_2930U & ID_DEV_VENDOR_MASK,
        !           369:                ID_DEV_VENDOR_MASK,
        !           370:                ahc_aic7880_setup
        !           371:        },
        !           372:        {
        !           373:                ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK,
        !           374:                ID_DEV_VENDOR_MASK,
        !           375:                ahc_aha2940Pro_setup
        !           376:        },
        !           377:        {
        !           378:                ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK,
        !           379:                ID_DEV_VENDOR_MASK,
        !           380:                ahc_aic7880_setup
        !           381:        },
        !           382:        /* Ignore all SISL (AAC on MB) based controllers. */
        !           383:        {
        !           384:                ID_9005_SISL_ID,
        !           385:                ID_9005_SISL_MASK,
        !           386:                NULL
        !           387:        },
        !           388:        /* aic7890 based controllers */
        !           389:        {
        !           390:                ID_AHA_2930U2,
        !           391:                ID_ALL_MASK,
        !           392:                ahc_aic7890_setup
        !           393:        },
        !           394:        {
        !           395:                ID_AHA_2940U2B,
        !           396:                ID_ALL_MASK,
        !           397:                ahc_aic7890_setup
        !           398:        },
        !           399:        {
        !           400:                ID_AHA_2940U2_OEM,
        !           401:                ID_ALL_MASK,
        !           402:                ahc_aic7890_setup
        !           403:        },
        !           404:        {
        !           405:                ID_AHA_2940U2,
        !           406:                ID_ALL_MASK,
        !           407:                ahc_aic7890_setup
        !           408:        },
        !           409:        {
        !           410:                ID_AHA_2950U2B,
        !           411:                ID_ALL_MASK,
        !           412:                ahc_aic7890_setup
        !           413:        },
        !           414:        {
        !           415:                ID_AIC7890_ARO,
        !           416:                ID_ALL_MASK,
        !           417:                ahc_aic7890_setup
        !           418:        },
        !           419:        {
        !           420:                ID_AAA_131U2,
        !           421:                ID_ALL_MASK,
        !           422:                ahc_aic7890_setup
        !           423:        },
        !           424:        /* aic7892 based controllers */
        !           425:        {
        !           426:                ID_AHA_29160,
        !           427:                ID_ALL_MASK,
        !           428:                ahc_aic7892_setup
        !           429:        },
        !           430:        {
        !           431:                ID_AHA_29160_CPQ,
        !           432:                ID_ALL_MASK,
        !           433:                ahc_aic7892_setup
        !           434:        },
        !           435:        {
        !           436:                ID_AHA_29160N,
        !           437:                ID_ALL_MASK,
        !           438:                ahc_aic7892_setup
        !           439:        },
        !           440:        {
        !           441:                ID_AHA_29160C,
        !           442:                ID_ALL_MASK,
        !           443:                ahc_aha29160C_setup
        !           444:        },
        !           445:        {
        !           446:                ID_AHA_29160B,
        !           447:                ID_ALL_MASK,
        !           448:                ahc_aic7892_setup
        !           449:        },
        !           450:        {
        !           451:                ID_AHA_19160B,
        !           452:                ID_ALL_MASK,
        !           453:                ahc_aic7892_setup
        !           454:        },
        !           455:        {
        !           456:                ID_AIC7892_ARO,
        !           457:                ID_ALL_MASK,
        !           458:                ahc_aic7892_setup
        !           459:        },
        !           460:        {
        !           461:                ID_AHA_2915LP,
        !           462:                ID_ALL_MASK,
        !           463:                ahc_aic7892_setup
        !           464:        },
        !           465:        /* aic7895 based controllers */
        !           466:        {
        !           467:                ID_AHA_2940U_DUAL,
        !           468:                ID_ALL_MASK,
        !           469:                ahc_aic7895_setup
        !           470:        },
        !           471:        {
        !           472:                ID_AHA_3940AU,
        !           473:                ID_ALL_MASK,
        !           474:                ahc_aic7895_setup
        !           475:        },
        !           476:        {
        !           477:                ID_AHA_3944AU,
        !           478:                ID_ALL_MASK,
        !           479:                ahc_aic7895_setup
        !           480:        },
        !           481:        {
        !           482:                ID_AIC7895_ARO,
        !           483:                ID_AIC7895_ARO_MASK,
        !           484:                ahc_aic7895_setup
        !           485:        },
        !           486:        /* aic7896/97 based controllers */
        !           487:        {
        !           488:                ID_AHA_3950U2B_0,
        !           489:                ID_ALL_MASK,
        !           490:                ahc_aic7896_setup
        !           491:        },
        !           492:        {
        !           493:                ID_AHA_3950U2B_1,
        !           494:                ID_ALL_MASK,
        !           495:                ahc_aic7896_setup
        !           496:        },
        !           497:        {
        !           498:                ID_AHA_3950U2D_0,
        !           499:                ID_ALL_MASK,
        !           500:                ahc_aic7896_setup
        !           501:        },
        !           502:        {
        !           503:                ID_AHA_3950U2D_1,
        !           504:                ID_ALL_MASK,
        !           505:                ahc_aic7896_setup
        !           506:        },
        !           507:        {
        !           508:                ID_AIC7896_ARO,
        !           509:                ID_ALL_MASK,
        !           510:                ahc_aic7896_setup
        !           511:        },
        !           512:        /* aic7899 based controllers */
        !           513:        {
        !           514:                ID_AHA_3960D,
        !           515:                ID_ALL_MASK,
        !           516:                ahc_aic7899_setup
        !           517:        },
        !           518:        {
        !           519:                ID_AHA_3960D_CPQ,
        !           520:                ID_ALL_MASK,
        !           521:                ahc_aic7899_setup
        !           522:        },
        !           523:        {
        !           524:                ID_AIC7899_ARO,
        !           525:                ID_ALL_MASK,
        !           526:                ahc_aic7899_setup
        !           527:        },
        !           528:        /* Generic chip probes for devices we don't know 'exactly' */
        !           529:        {
        !           530:                ID_AIC7850 & ID_DEV_VENDOR_MASK,
        !           531:                ID_DEV_VENDOR_MASK,
        !           532:                ahc_aic785X_setup
        !           533:        },
        !           534:        {
        !           535:                ID_AIC7855 & ID_DEV_VENDOR_MASK,
        !           536:                ID_DEV_VENDOR_MASK,
        !           537:                ahc_aic785X_setup
        !           538:        },
        !           539:        {
        !           540:                ID_AIC7859 & ID_DEV_VENDOR_MASK,
        !           541:                ID_DEV_VENDOR_MASK,
        !           542:                ahc_aic7860_setup
        !           543:        },
        !           544:        {
        !           545:                ID_AIC7860 & ID_DEV_VENDOR_MASK,
        !           546:                ID_DEV_VENDOR_MASK,
        !           547:                ahc_aic7860_setup
        !           548:        },
        !           549:        {
        !           550:                ID_AIC7870 & ID_DEV_VENDOR_MASK,
        !           551:                ID_DEV_VENDOR_MASK,
        !           552:                ahc_aic7870_setup
        !           553:        },
        !           554:        {
        !           555:                ID_AIC7880 & ID_DEV_VENDOR_MASK,
        !           556:                ID_DEV_VENDOR_MASK,
        !           557:                ahc_aic7880_setup
        !           558:        },
        !           559:        {
        !           560:                ID_AIC7890 & ID_9005_GENERIC_MASK,
        !           561:                ID_9005_GENERIC_MASK,
        !           562:                ahc_aic7890_setup
        !           563:        },
        !           564:        {
        !           565:                ID_AIC7892 & ID_9005_GENERIC_MASK,
        !           566:                ID_9005_GENERIC_MASK,
        !           567:                ahc_aic7892_setup
        !           568:        },
        !           569:        {
        !           570:                ID_AIC7895 & ID_DEV_VENDOR_MASK,
        !           571:                ID_DEV_VENDOR_MASK,
        !           572:                ahc_aic7895_setup
        !           573:        },
        !           574:        {
        !           575:                ID_AIC7896 & ID_9005_GENERIC_MASK,
        !           576:                ID_9005_GENERIC_MASK,
        !           577:                ahc_aic7896_setup
        !           578:        },
        !           579:        {
        !           580:                ID_AIC7899 & ID_9005_GENERIC_MASK,
        !           581:                ID_9005_GENERIC_MASK,
        !           582:                ahc_aic7899_setup
        !           583:        },
        !           584:        {
        !           585:                ID_AIC7810 & ID_DEV_VENDOR_MASK,
        !           586:                ID_DEV_VENDOR_MASK,
        !           587:                ahc_raid_setup
        !           588:        },
        !           589:        {
        !           590:                ID_AIC7815 & ID_DEV_VENDOR_MASK,
        !           591:                ID_DEV_VENDOR_MASK,
        !           592:                ahc_raid_setup
        !           593:        }
        !           594: };
        !           595:
        !           596: #define AHC_394X_SLOT_CHANNEL_A        4
        !           597: #define AHC_394X_SLOT_CHANNEL_B        5
        !           598:
        !           599: #define AHC_398X_SLOT_CHANNEL_A        4
        !           600: #define AHC_398X_SLOT_CHANNEL_B        8
        !           601: #define AHC_398X_SLOT_CHANNEL_C        12
        !           602:
        !           603: #define AHC_494X_SLOT_CHANNEL_A        4
        !           604: #define AHC_494X_SLOT_CHANNEL_B        5
        !           605: #define AHC_494X_SLOT_CHANNEL_C        6
        !           606: #define AHC_494X_SLOT_CHANNEL_D        7
        !           607:
        !           608: #define        DEVCONFIG               0x40
        !           609: #define                PCIERRGENDIS    0x80000000ul
        !           610: #define                SCBSIZE32       0x00010000ul    /* aic789X only */
        !           611: #define                REXTVALID       0x00001000ul    /* ultra cards only */
        !           612: #define                MPORTMODE       0x00000400ul    /* aic7870+ only */
        !           613: #define                RAMPSM          0x00000200ul    /* aic7870+ only */
        !           614: #define                VOLSENSE        0x00000100ul
        !           615: #define                PCI64BIT        0x00000080ul    /* 64Bit PCI bus (Ultra2 Only)*/
        !           616: #define                SCBRAMSEL       0x00000080ul
        !           617: #define                MRDCEN          0x00000040ul
        !           618: #define                EXTSCBTIME      0x00000020ul    /* aic7870 only */
        !           619: #define                EXTSCBPEN       0x00000010ul    /* aic7870 only */
        !           620: #define                BERREN          0x00000008ul
        !           621: #define                DACEN           0x00000004ul
        !           622: #define                STPWLEVEL       0x00000002ul
        !           623: #define                DIFACTNEGEN     0x00000001ul    /* aic7870 only */
        !           624:
        !           625: #define        CSIZE_LATTIME           0x0c
        !           626: #define                CACHESIZE       0x0000003ful    /* only 5 bits */
        !           627: #define                LATTIME         0x0000ff00ul
        !           628:
        !           629: /* PCI STATUS definitions */
        !           630: #define        DPE     0x80
        !           631: #define SSE    0x40
        !           632: #define        RMA     0x20
        !           633: #define        RTA     0x10
        !           634: #define STA    0x08
        !           635: #define DPR    0x01
        !           636:
        !           637: static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device,
        !           638:                                     uint16_t subvendor, uint16_t subdevice);
        !           639: static int ahc_ext_scbram_present(struct ahc_softc *ahc);
        !           640: static void ahc_scbram_config(struct ahc_softc *ahc, int enable,
        !           641:                                  int pcheck, int fast, int large);
        !           642: static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
        !           643: static int  ahc_pci_chip_init(struct ahc_softc *ahc);
        !           644:
        !           645: int ahc_pci_probe(struct device *, void *, void *);
        !           646: void ahc_pci_attach(struct device *, struct device *, void *);
        !           647:
        !           648:
        !           649: struct cfattach ahc_pci_ca = {
        !           650:        sizeof(struct ahc_softc), ahc_pci_probe, ahc_pci_attach
        !           651: };
        !           652:
        !           653: const struct ahc_pci_identity *
        !           654: ahc_find_pci_device(id, subid, func)
        !           655:        pcireg_t id, subid;
        !           656:        u_int func;
        !           657: {
        !           658:        u_int64_t  full_id;
        !           659:        const struct       ahc_pci_identity *entry;
        !           660:        u_int      i;
        !           661:
        !           662:        full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id),
        !           663:                                 PCI_PRODUCT(subid), PCI_VENDOR(subid));
        !           664:
        !           665:        /*
        !           666:         * If the second function is not hooked up, ignore it.
        !           667:         * Unfortunately, not all MB vendors implement the
        !           668:         * subdevice ID as per the Adaptec spec, so do our best
        !           669:         * to sanity check it prior to accepting the subdevice
        !           670:         * ID as valid.
        !           671:         */
        !           672:        if (func > 0
        !           673:            && ahc_9005_subdevinfo_valid(PCI_VENDOR(id), PCI_PRODUCT(id),
        !           674:                                         PCI_VENDOR(subid), PCI_PRODUCT(subid))
        !           675:            && SUBID_9005_MFUNCENB(PCI_PRODUCT(subid)) == 0)
        !           676:                return (NULL);
        !           677:
        !           678:        for (i = 0; i < NUM_ELEMENTS(ahc_pci_ident_table); i++) {
        !           679:                entry = &ahc_pci_ident_table[i];
        !           680:                if (entry->full_id == (full_id & entry->id_mask))
        !           681:                        return (entry);
        !           682:        }
        !           683:        return (NULL);
        !           684: }
        !           685:
        !           686: int
        !           687: ahc_pci_probe(parent, match, aux)
        !           688:        struct device *parent;
        !           689:        void *match, *aux;
        !           690: {
        !           691:        struct pci_attach_args *pa = aux;
        !           692:        const struct       ahc_pci_identity *entry;
        !           693:        pcireg_t   subid;
        !           694:
        !           695:        subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
        !           696:        entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
        !           697:        return (entry != NULL && entry->setup != NULL) ? 1 : 0;
        !           698: }
        !           699:
        !           700: void
        !           701: ahc_pci_attach(parent, self, aux)
        !           702:        struct device *parent, *self;
        !           703:        void *aux;
        !           704: {
        !           705:        struct pci_attach_args *pa = aux;
        !           706:        const struct       ahc_pci_identity *entry;
        !           707:        struct             ahc_softc *ahc = (void *)self;
        !           708:        pcireg_t           command;
        !           709:        u_int              our_id = 0;
        !           710:        u_int              sxfrctl1;
        !           711:        u_int              scsiseq;
        !           712:        u_int              sblkctl;
        !           713:        uint8_t            dscommand0;
        !           714:        uint32_t           devconfig;
        !           715:        int                error;
        !           716:        pcireg_t           subid;
        !           717:        int                ioh_valid;
        !           718:        bus_space_tag_t    st, iot;
        !           719:        bus_space_handle_t sh, ioh;
        !           720: #ifdef AHC_ALLOW_MEMIO
        !           721:        int                memh_valid;
        !           722:        bus_space_tag_t    memt;
        !           723:        bus_space_handle_t memh;
        !           724:        pcireg_t memtype;
        !           725: #endif
        !           726:        pci_intr_handle_t  ih;
        !           727:        const char        *intrstr;
        !           728:        struct ahc_pci_busdata *bd;
        !           729:        int i;
        !           730:
        !           731:        /*
        !           732:         * Instead of ahc_alloc() as in FreeBSD, do the few relevant
        !           733:         * initializations manually.
        !           734:         */
        !           735:        LIST_INIT(&ahc->pending_scbs);
        !           736:        ahc->channel = 'A';
        !           737:        ahc->seqctl = FASTMODE;
        !           738:        for (i = 0; i < AHC_NUM_TARGETS; i++)
        !           739:                TAILQ_INIT(&ahc->untagged_queues[i]);
        !           740:
        !           741:        /*
        !           742:         * SCSI_IS_SCSIBUS_B() must returns false until sc_channel_b
        !           743:         * has been properly initialized. XXX Breaks if >254 scsi buses.
        !           744:         */
        !           745:        ahc->sc_channel_b.scsibus = 0xff;
        !           746:
        !           747:        ahc->dev_softc = pa;
        !           748:
        !           749:        ahc_set_name(ahc, ahc->sc_dev.dv_xname);
        !           750:        ahc->parent_dmat = pa->pa_dmat;
        !           751:
        !           752:        subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
        !           753:        entry = ahc_find_pci_device(pa->pa_id, subid, pa->pa_function);
        !           754:        if (entry == NULL)
        !           755:                return;
        !           756:
        !           757:        /* Keep information about the PCI bus */
        !           758:        bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
        !           759:        if (bd == NULL) {
        !           760:                printf("%s: unable to allocate bus-specific data\n", ahc_name(ahc));
        !           761:                return;
        !           762:        }
        !           763:        memset(bd, 0, sizeof(struct ahc_pci_busdata));
        !           764:
        !           765:        bd->pc = pa->pa_pc;
        !           766:        bd->tag = pa->pa_tag;
        !           767:        bd->func = pa->pa_function;
        !           768:        bd->dev = pa->pa_device;
        !           769:        bd->class = pa->pa_class;
        !           770:
        !           771:        ahc->bd = bd;
        !           772:
        !           773:        error = entry->setup(ahc);
        !           774:        if (error != 0)
        !           775:                return;
        !           776:
        !           777:        ioh_valid = 0;
        !           778:
        !           779: #ifdef AHC_ALLOW_MEMIO
        !           780:        memh_valid = 0;
        !           781:        memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
        !           782:        switch (memtype) {
        !           783:        case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
        !           784:        case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
        !           785:                memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
        !           786:                                             memtype, 0, &memt, &memh, NULL, NULL, 0) == 0);
        !           787:                break;
        !           788:        default:
        !           789:                memh_valid = 0;
        !           790:        }
        !           791:        if (memh_valid == 0)
        !           792: #endif
        !           793:                ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
        !           794:                    PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL, 0) == 0);
        !           795: #if 0
        !           796:        printf("%s: mem mapping: memt 0x%x, memh 0x%x, iot 0x%x, ioh 0x%lx\n",
        !           797:               ahc_name(ahc), memt, (u_int32_t)memh, (u_int32_t)iot, ioh);
        !           798: #endif
        !           799:
        !           800:        if (ioh_valid) {
        !           801:                st = iot;
        !           802:                sh = ioh;
        !           803: #ifdef AHC_ALLOW_MEMIO
        !           804:        } else if (memh_valid) {
        !           805:                st = memt;
        !           806:                sh = memh;
        !           807: #endif
        !           808:        } else {
        !           809:                printf(": unable to map registers\n");
        !           810:                return;
        !           811:        }
        !           812:        ahc->tag = st;
        !           813:        ahc->bsh = sh;
        !           814:
        !           815:        ahc->chip |= AHC_PCI;
        !           816:        /*
        !           817:         * Before we continue probing the card, ensure that
        !           818:         * its interrupts are *disabled*.  We don't want
        !           819:         * a misstep to hang the machine in an interrupt
        !           820:         * storm.
        !           821:         */
        !           822:        ahc_intr_enable(ahc, FALSE);
        !           823:
        !           824:        /*
        !           825:         * XXX somehow reading this once fails on some sparc64 systems.
        !           826:         *     This may be a problem in the sparc64 PCI code. Doing it
        !           827:         *     twice works around it.
        !           828:         */
        !           829:        devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
        !           830:        devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
        !           831:
        !           832:        /*
        !           833:         * If we need to support high memory, enable dual
        !           834:         * address cycles.  This bit must be set to enable
        !           835:         * high address bit generation even if we are on a
        !           836:         * 64bit bus (PCI64BIT set in devconfig).
        !           837:         */
        !           838:        if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) {
        !           839:
        !           840:                if (1/*bootverbose*/)
        !           841:                        printf("%s: Enabling 39Bit Addressing\n",
        !           842:                               ahc_name(ahc));
        !           843:                devconfig |= DACEN;
        !           844:        }
        !           845:
        !           846:        /* Ensure that pci error generation, a test feature, is disabled. */
        !           847:        devconfig |= PCIERRGENDIS;
        !           848:
        !           849:        pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
        !           850:
        !           851:        /*
        !           852:         * Disable PCI parity error reporting.  Users typically
        !           853:         * do this to work around broken PCI chipsets that get
        !           854:         * the parity timing wrong and thus generate lots of spurious
        !           855:         * errors.
        !           856:         */
        !           857:        if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0) {
        !           858:                command = pci_conf_read(pa->pa_pc, pa->pa_tag,
        !           859:                    PCI_COMMAND_STATUS_REG);
        !           860:                pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
        !           861:                    command & ~PCI_COMMAND_PARITY_ENABLE);
        !           862:        }
        !           863:
        !           864:        /* On all PCI adapters, we allow SCB paging */
        !           865:        ahc->flags |= AHC_PAGESCBS;
        !           866:        error = ahc_softc_init(ahc);
        !           867:        if (error != 0)
        !           868:                goto error_out;
        !           869:
        !           870:        ahc->bus_intr = ahc_pci_intr;
        !           871:        ahc->bus_chip_init = ahc_pci_chip_init;
        !           872:
        !           873:        /* Remember how the card was setup in case there is no SEEPROM */
        !           874:        if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
        !           875:                ahc_pause(ahc);
        !           876:                if ((ahc->features & AHC_ULTRA2) != 0)
        !           877:                        our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
        !           878:                else
        !           879:                        our_id = ahc_inb(ahc, SCSIID) & OID;
        !           880:                sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
        !           881:                scsiseq = ahc_inb(ahc, SCSISEQ);
        !           882:        } else {
        !           883:                sxfrctl1 = STPWEN;
        !           884:                our_id = 7;
        !           885:                scsiseq = 0;
        !           886:        }
        !           887:
        !           888:        error = ahc_reset(ahc, /*reinit*/FALSE);
        !           889:        if (error != 0)
        !           890:                goto error_out;
        !           891:
        !           892:        if ((ahc->features & AHC_DT) != 0) {
        !           893:                u_int sfunct;
        !           894:
        !           895:                /* Perform ALT-Mode Setup */
        !           896:                sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
        !           897:                ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
        !           898:                ahc_outb(ahc, OPTIONMODE,
        !           899:                         OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS);
        !           900:                ahc_outb(ahc, SFUNCT, sfunct);
        !           901:
        !           902:                /* Normal mode setup */
        !           903:                ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
        !           904:                                          |TARGCRCENDEN);
        !           905:        }
        !           906:
        !           907:        if (pci_intr_map(pa, &ih)) {
        !           908:                printf("%s: couldn't map interrupt\n", ahc_name(ahc));
        !           909:                ahc_free(ahc);
        !           910:                return;
        !           911:        }
        !           912:        intrstr = pci_intr_string(pa->pa_pc, ih);
        !           913:        ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
        !           914:            ahc_platform_intr, ahc, ahc->sc_dev.dv_xname);
        !           915:        if (ahc->ih == NULL) {
        !           916:                printf(": couldn't establish interrupt");
        !           917:                if (intrstr != NULL)
        !           918:                        printf(" at %s", intrstr);
        !           919:                printf("\n");
        !           920:                ahc_free(ahc);
        !           921:                return;
        !           922:        } else
        !           923:                printf(": %s\n", intrstr ? intrstr : "?");
        !           924:
        !           925:        dscommand0 = ahc_inb(ahc, DSCOMMAND0);
        !           926:        dscommand0 |= MPARCKEN|CACHETHEN;
        !           927:        if ((ahc->features & AHC_ULTRA2) != 0) {
        !           928:
        !           929:                /*
        !           930:                 * DPARCKEN doesn't work correctly on
        !           931:                 * some MBs so don't use it.
        !           932:                 */
        !           933:                dscommand0 &= ~DPARCKEN;
        !           934:        }
        !           935:
        !           936:        /*
        !           937:         * Handle chips that must have cache line
        !           938:         * streaming (dis/en)abled.
        !           939:         */
        !           940:        if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0)
        !           941:                dscommand0 |= CACHETHEN;
        !           942:
        !           943:        if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0)
        !           944:                dscommand0 &= ~CACHETHEN;
        !           945:
        !           946:        ahc_outb(ahc, DSCOMMAND0, dscommand0);
        !           947:
        !           948:        ahc->pci_cachesize =
        !           949:            pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME) & CACHESIZE;
        !           950:        ahc->pci_cachesize *= 4;
        !           951:
        !           952:        if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0
        !           953:            && ahc->pci_cachesize == 4) {
        !           954:                pci_conf_write(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME, 0);
        !           955:                ahc->pci_cachesize = 0;
        !           956:        }
        !           957:
        !           958:        /*
        !           959:         * We cannot perform ULTRA speeds without the presence
        !           960:         * of the external precision resistor.
        !           961:         */
        !           962:        if ((ahc->features & AHC_ULTRA) != 0) {
        !           963:                uint32_t devconfig;
        !           964:
        !           965:                devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
        !           966:                if ((devconfig & REXTVALID) == 0)
        !           967:                        ahc->features &= ~AHC_ULTRA;
        !           968:        }
        !           969:
        !           970:        ahc->seep_config = malloc(sizeof(*ahc->seep_config),
        !           971:                                  M_DEVBUF, M_NOWAIT);
        !           972:        if (ahc->seep_config == NULL)
        !           973:                goto error_out;
        !           974:
        !           975:        memset(ahc->seep_config, 0, sizeof(*ahc->seep_config));
        !           976:
        !           977:        /* See if we have a SEEPROM and perform auto-term */
        !           978:        ahc_check_extport(ahc, &sxfrctl1);
        !           979:
        !           980:        /*
        !           981:         * Take the LED out of diagnostic mode
        !           982:         */
        !           983:        sblkctl = ahc_inb(ahc, SBLKCTL);
        !           984:        ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
        !           985:
        !           986:        if ((ahc->features & AHC_ULTRA2) != 0) {
        !           987:                ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
        !           988:        } else {
        !           989:                ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
        !           990:        }
        !           991:
        !           992:        if (ahc->flags & AHC_USEDEFAULTS) {
        !           993:                /*
        !           994:                 * PCI Adapter default setup
        !           995:                 * Should only be used if the adapter does not have
        !           996:                 * a SEEPROM.
        !           997:                 */
        !           998:                /* See if someone else set us up already */
        !           999:                if ((ahc->flags & AHC_NO_BIOS_INIT) == 0
        !          1000:                 && scsiseq != 0) {
        !          1001:                        printf("%s: Using left over BIOS settings\n",
        !          1002:                                ahc_name(ahc));
        !          1003:                        ahc->flags &= ~AHC_USEDEFAULTS;
        !          1004:                        ahc->flags |= AHC_BIOS_ENABLED;
        !          1005:                } else {
        !          1006:                        /*
        !          1007:                         * Assume only one connector and always turn
        !          1008:                         * on termination.
        !          1009:                         */
        !          1010:                        our_id = 0x07;
        !          1011:                        sxfrctl1 = STPWEN;
        !          1012:                }
        !          1013:                ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
        !          1014:
        !          1015:                ahc->our_id = our_id;
        !          1016:        }
        !          1017:
        !          1018:        /*
        !          1019:         * Take a look to see if we have external SRAM.
        !          1020:         * We currently do not attempt to use SRAM that is
        !          1021:         * shared among multiple controllers.
        !          1022:         */
        !          1023:        ahc_probe_ext_scbram(ahc);
        !          1024:
        !          1025:        /*
        !          1026:         * Record our termination setting for the
        !          1027:         * generic initialization routine.
        !          1028:         */
        !          1029:        if ((sxfrctl1 & STPWEN) != 0)
        !          1030:                ahc->flags |= AHC_TERM_ENB_A;
        !          1031:
        !          1032:        /*
        !          1033:         * Save chip register configuration data for chip resets
        !          1034:         * that occur during runtime and resume events.
        !          1035:         */
        !          1036:        ahc->bus_softc.pci_softc.devconfig =
        !          1037:            pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
        !          1038:        ahc->bus_softc.pci_softc.command =
        !          1039:            pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
        !          1040:        ahc->bus_softc.pci_softc.csize_lattime =
        !          1041:            pci_conf_read(pa->pa_pc, pa->pa_tag, CSIZE_LATTIME);
        !          1042:        ahc->bus_softc.pci_softc.dscommand0 = ahc_inb(ahc, DSCOMMAND0);
        !          1043:        ahc->bus_softc.pci_softc.dspcistatus = ahc_inb(ahc, DSPCISTATUS);
        !          1044:        if ((ahc->features & AHC_DT) != 0) {
        !          1045:                u_int sfunct;
        !          1046:
        !          1047:                sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
        !          1048:                ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
        !          1049:                ahc->bus_softc.pci_softc.optionmode = ahc_inb(ahc, OPTIONMODE);
        !          1050:                ahc->bus_softc.pci_softc.targcrccnt = ahc_inw(ahc, TARGCRCCNT);
        !          1051:                ahc_outb(ahc, SFUNCT, sfunct);
        !          1052:                ahc->bus_softc.pci_softc.crccontrol1 =
        !          1053:                    ahc_inb(ahc, CRCCONTROL1);
        !          1054:        }
        !          1055:        if ((ahc->features & AHC_MULTI_FUNC) != 0)
        !          1056:                ahc->bus_softc.pci_softc.scbbaddr = ahc_inb(ahc, SCBBADDR);
        !          1057:
        !          1058:        if ((ahc->features & AHC_ULTRA2) != 0)
        !          1059:                ahc->bus_softc.pci_softc.dff_thrsh = ahc_inb(ahc, DFF_THRSH);
        !          1060:
        !          1061:        /* Core initialization */
        !          1062:        if (ahc_init(ahc))
        !          1063:                goto error_out;
        !          1064:
        !          1065:        ahc_attach(ahc);
        !          1066:
        !          1067:        return;
        !          1068:
        !          1069:  error_out:
        !          1070:        ahc_free(ahc);
        !          1071:        return;
        !          1072: }
        !          1073:
        !          1074: static int
        !          1075: ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
        !          1076:                          uint16_t subdevice, uint16_t subvendor)
        !          1077: {
        !          1078:        int result;
        !          1079:
        !          1080:        /* Default to invalid. */
        !          1081:        result = 0;
        !          1082:        if (vendor == 0x9005
        !          1083:         && subvendor == 0x9005
        !          1084:          && subdevice != device
        !          1085:          && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
        !          1086:
        !          1087:                switch (SUBID_9005_TYPE(subdevice)) {
        !          1088:                case SUBID_9005_TYPE_MB:
        !          1089:                        break;
        !          1090:                case SUBID_9005_TYPE_CARD:
        !          1091:                case SUBID_9005_TYPE_LCCARD:
        !          1092:                        /*
        !          1093:                         * Currently only trust Adaptec cards to
        !          1094:                         * get the sub device info correct.
        !          1095:                         */
        !          1096:                        if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
        !          1097:                                result = 1;
        !          1098:                        break;
        !          1099:                case SUBID_9005_TYPE_RAID:
        !          1100:                        break;
        !          1101:                default:
        !          1102:                        break;
        !          1103:                }
        !          1104:        }
        !          1105:        return (result);
        !          1106: }
        !          1107:
        !          1108:
        !          1109: /*
        !          1110:  * Test for the presense of external sram in an
        !          1111:  * "unshared" configuration.
        !          1112:  */
        !          1113: static int
        !          1114: ahc_ext_scbram_present(struct ahc_softc *ahc)
        !          1115: {
        !          1116:        u_int chip;
        !          1117:        int ramps;
        !          1118:        int single_user;
        !          1119:        uint32_t devconfig;
        !          1120:
        !          1121:        chip = ahc->chip & AHC_CHIPID_MASK;
        !          1122:        devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
        !          1123:        single_user = (devconfig & MPORTMODE) != 0;
        !          1124:
        !          1125:        if ((ahc->features & AHC_ULTRA2) != 0)
        !          1126:                ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
        !          1127:        else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
        !          1128:                /*
        !          1129:                 * External SCBRAM arbitration is flakey
        !          1130:                 * on these chips.  Unfortunately this means
        !          1131:                 * we don't use the extra SCB ram space on the
        !          1132:                 * 3940AUW.
        !          1133:                 */
        !          1134:                ramps = 0;
        !          1135:        else if (chip >= AHC_AIC7870)
        !          1136:                ramps = (devconfig & RAMPSM) != 0;
        !          1137:        else
        !          1138:                ramps = 0;
        !          1139:
        !          1140:        if (ramps && single_user)
        !          1141:                return (1);
        !          1142:        return (0);
        !          1143: }
        !          1144:
        !          1145: /*
        !          1146:  * Enable external scbram.
        !          1147:  */
        !          1148: static void
        !          1149: ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
        !          1150:                  int fast, int large)
        !          1151: {
        !          1152:        uint32_t devconfig;
        !          1153:
        !          1154:        if (ahc->features & AHC_MULTI_FUNC) {
        !          1155:                /*
        !          1156:                 * Set the SCB Base addr (highest address bit)
        !          1157:                 * depending on which channel we are.
        !          1158:                 */
        !          1159:                ahc_outb(ahc, SCBBADDR, ahc->bd->func);
        !          1160:        }
        !          1161:
        !          1162:        ahc->flags &= ~AHC_LSCBS_ENABLED;
        !          1163:        if (large)
        !          1164:                ahc->flags |= AHC_LSCBS_ENABLED;
        !          1165:        devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
        !          1166:        if ((ahc->features & AHC_ULTRA2) != 0) {
        !          1167:                u_int dscommand0;
        !          1168:
        !          1169:                dscommand0 = ahc_inb(ahc, DSCOMMAND0);
        !          1170:                if (enable)
        !          1171:                        dscommand0 &= ~INTSCBRAMSEL;
        !          1172:                else
        !          1173:                        dscommand0 |= INTSCBRAMSEL;
        !          1174:                if (large)
        !          1175:                        dscommand0 &= ~USCBSIZE32;
        !          1176:                else
        !          1177:                        dscommand0 |= USCBSIZE32;
        !          1178:                ahc_outb(ahc, DSCOMMAND0, dscommand0);
        !          1179:        } else {
        !          1180:                if (fast)
        !          1181:                        devconfig &= ~EXTSCBTIME;
        !          1182:                else
        !          1183:                        devconfig |= EXTSCBTIME;
        !          1184:                if (enable)
        !          1185:                        devconfig &= ~SCBRAMSEL;
        !          1186:                else
        !          1187:                        devconfig |= SCBRAMSEL;
        !          1188:                if (large)
        !          1189:                        devconfig &= ~SCBSIZE32;
        !          1190:                else
        !          1191:                        devconfig |= SCBSIZE32;
        !          1192:        }
        !          1193:        if (pcheck)
        !          1194:                devconfig |= EXTSCBPEN;
        !          1195:        else
        !          1196:                devconfig &= ~EXTSCBPEN;
        !          1197:
        !          1198:        pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
        !          1199: }
        !          1200:
        !          1201: /*
        !          1202:  * Take a look to see if we have external SRAM.
        !          1203:  * We currently do not attempt to use SRAM that is
        !          1204:  * shared among multiple controllers.
        !          1205:  */
        !          1206: static void
        !          1207: ahc_probe_ext_scbram(struct ahc_softc *ahc)
        !          1208: {
        !          1209:        int num_scbs;
        !          1210:        int test_num_scbs;
        !          1211:        int enable;
        !          1212:        int pcheck;
        !          1213:        int fast;
        !          1214:        int large;
        !          1215:
        !          1216:        enable = FALSE;
        !          1217:        pcheck = FALSE;
        !          1218:        fast = FALSE;
        !          1219:        large = FALSE;
        !          1220:        num_scbs = 0;
        !          1221:
        !          1222:        if (ahc_ext_scbram_present(ahc) == 0)
        !          1223:                goto done;
        !          1224:
        !          1225:        /*
        !          1226:         * Probe for the best parameters to use.
        !          1227:         */
        !          1228:        ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
        !          1229:        num_scbs = ahc_probe_scbs(ahc);
        !          1230:        if (num_scbs == 0) {
        !          1231:                /* The SRAM wasn't really present. */
        !          1232:                goto done;
        !          1233:        }
        !          1234:        enable = TRUE;
        !          1235:
        !          1236:        /*
        !          1237:         * Clear any outstanding parity error
        !          1238:         * and ensure that parity error reporting
        !          1239:         * is enabled.
        !          1240:         */
        !          1241:        ahc_outb(ahc, SEQCTL, 0);
        !          1242:        ahc_outb(ahc, CLRINT, CLRPARERR);
        !          1243:        ahc_outb(ahc, CLRINT, CLRBRKADRINT);
        !          1244:
        !          1245:        /* Now see if we can do parity */
        !          1246:        ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
        !          1247:        num_scbs = ahc_probe_scbs(ahc);
        !          1248:        if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
        !          1249:         || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
        !          1250:                pcheck = TRUE;
        !          1251:
        !          1252:        /* Clear any resulting parity error */
        !          1253:        ahc_outb(ahc, CLRINT, CLRPARERR);
        !          1254:        ahc_outb(ahc, CLRINT, CLRBRKADRINT);
        !          1255:
        !          1256:        /* Now see if we can do fast timing */
        !          1257:        ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
        !          1258:        test_num_scbs = ahc_probe_scbs(ahc);
        !          1259:        if (test_num_scbs == num_scbs
        !          1260:         && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
        !          1261:          || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
        !          1262:                fast = TRUE;
        !          1263:
        !          1264:        /*
        !          1265:         * See if we can use large SCBs and still maintain
        !          1266:         * the same overall count of SCBs.
        !          1267:         */
        !          1268:        if ((ahc->features & AHC_LARGE_SCBS) != 0) {
        !          1269:                ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
        !          1270:                test_num_scbs = ahc_probe_scbs(ahc);
        !          1271:                if (test_num_scbs >= num_scbs) {
        !          1272:                        large = TRUE;
        !          1273:                        num_scbs = test_num_scbs;
        !          1274:                        if (num_scbs >= 64) {
        !          1275:                                /*
        !          1276:                                 * We have enough space to move the
        !          1277:                                 * "busy targets table" into SCB space
        !          1278:                                 * and make it qualify all the way to the
        !          1279:                                 * lun level.
        !          1280:                                 */
        !          1281:                                ahc->flags |= AHC_SCB_BTT;
        !          1282:                        }
        !          1283:                }
        !          1284:        }
        !          1285: done:
        !          1286:        /*
        !          1287:         * Disable parity error reporting until we
        !          1288:         * can load instruction ram.
        !          1289:         */
        !          1290:        ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
        !          1291:        /* Clear any latched parity error */
        !          1292:        ahc_outb(ahc, CLRINT, CLRPARERR);
        !          1293:        ahc_outb(ahc, CLRINT, CLRBRKADRINT);
        !          1294:        if (1/*bootverbose*/ && enable) {
        !          1295:                printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
        !          1296:                       ahc_name(ahc), fast ? "fast" : "slow",
        !          1297:                       pcheck ? ", parity checking enabled" : "",
        !          1298:                       large ? 64 : 32);
        !          1299:        }
        !          1300:        ahc_scbram_config(ahc, enable, pcheck, fast, large);
        !          1301: }
        !          1302:
        !          1303: #if 0
        !          1304: /*
        !          1305:  * Perform some simple tests that should catch situations where
        !          1306:  * our registers are invalidly mapped.
        !          1307:  */
        !          1308: int
        !          1309: ahc_pci_test_register_access(struct ahc_softc *ahc)
        !          1310: {
        !          1311:        int      error;
        !          1312:        u_int    status1;
        !          1313:        uint32_t cmd;
        !          1314:        uint8_t  hcntrl;
        !          1315:
        !          1316:        error = EIO;
        !          1317:
        !          1318:        /*
        !          1319:         * Enable PCI error interrupt status, but suppress NMIs
        !          1320:         * generated by SERR raised due to target aborts.
        !          1321:         */
        !          1322:        cmd = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND);
        !          1323:        pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCIR_COMMAND,
        !          1324:                       cmd & ~PCIM_CMD_SERRESPEN);
        !          1325:
        !          1326:        /*
        !          1327:         * First a simple test to see if any
        !          1328:         * registers can be read.  Reading
        !          1329:         * HCNTRL has no side effects and has
        !          1330:         * at least one bit that is guaranteed to
        !          1331:         * be zero so it is a good register to
        !          1332:         * use for this test.
        !          1333:         */
        !          1334:        hcntrl = ahc_inb(ahc, HCNTRL);
        !          1335:        if (hcntrl == 0xFF)
        !          1336:                goto fail;
        !          1337:
        !          1338:        /*
        !          1339:         * Next create a situation where write combining
        !          1340:         * or read prefetching could be initiated by the
        !          1341:         * CPU or host bridge.  Our device does not support
        !          1342:         * either, so look for data corruption and/or flagged
        !          1343:         * PCI errors.
        !          1344:         */
        !          1345:        ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
        !          1346:        while (ahc_is_paused(ahc) == 0)
        !          1347:                ;
        !          1348:        ahc_outb(ahc, SEQCTL, PERRORDIS);
        !          1349:        ahc_outb(ahc, SCBPTR, 0);
        !          1350:        ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
        !          1351:        if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
        !          1352:                goto fail;
        !          1353:
        !          1354:        status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag,
        !          1355:                                PCI_COMMAND_STATUS_REG + 1);
        !          1356:        if ((status1 & STA) != 0)
        !          1357:                goto fail;
        !          1358:
        !          1359:        error = 0;
        !          1360:
        !          1361: fail:
        !          1362:        /* Silently clear any latched errors. */
        !          1363:        status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG + 1);
        !          1364:        ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
        !          1365:                             status1, /*bytes*/1);
        !          1366:        ahc_outb(ahc, CLRINT, CLRPARERR);
        !          1367:        ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
        !          1368:        ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
        !          1369:        return (error);
        !          1370: }
        !          1371: #endif
        !          1372:
        !          1373: void
        !          1374: ahc_pci_intr(struct ahc_softc *ahc)
        !          1375: {
        !          1376:        u_int error;
        !          1377:        u_int status1;
        !          1378:
        !          1379:        error = ahc_inb(ahc, ERROR);
        !          1380:        if ((error & PCIERRSTAT) == 0)
        !          1381:                return;
        !          1382:
        !          1383:        status1 = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG);
        !          1384:
        !          1385:        printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
        !          1386:              ahc_name(ahc),
        !          1387:              ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
        !          1388:
        !          1389:        if (status1 & DPE) {
        !          1390:                printf("%s: Data Parity Error Detected during address "
        !          1391:                       "or write data phase\n", ahc_name(ahc));
        !          1392:        }
        !          1393:        if (status1 & SSE) {
        !          1394:                printf("%s: Signal System Error Detected\n", ahc_name(ahc));
        !          1395:        }
        !          1396:        if (status1 & RMA) {
        !          1397:                printf("%s: Received a Master Abort\n", ahc_name(ahc));
        !          1398:        }
        !          1399:        if (status1 & RTA) {
        !          1400:                printf("%s: Received a Target Abort\n", ahc_name(ahc));
        !          1401:        }
        !          1402:        if (status1 & STA) {
        !          1403:                printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
        !          1404:        }
        !          1405:        if (status1 & DPR) {
        !          1406:                printf("%s: Data Parity Error has been reported via PERR#\n",
        !          1407:                       ahc_name(ahc));
        !          1408:        }
        !          1409:
        !          1410:        /* Clear latched errors. */
        !          1411:        pci_conf_write(ahc->bd->pc, ahc->bd->tag,  PCI_COMMAND_STATUS_REG, status1);
        !          1412:
        !          1413:        if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
        !          1414:                printf("%s: Latched PCIERR interrupt with "
        !          1415:                       "no status bits set\n", ahc_name(ahc));
        !          1416:        } else {
        !          1417:                ahc_outb(ahc, CLRINT, CLRPARERR);
        !          1418:        }
        !          1419:
        !          1420:        ahc_unpause(ahc);
        !          1421: }
        !          1422:
        !          1423: static int
        !          1424: ahc_pci_chip_init(struct ahc_softc *ahc)
        !          1425: {
        !          1426:        ahc_outb(ahc, DSCOMMAND0, ahc->bus_softc.pci_softc.dscommand0);
        !          1427:        ahc_outb(ahc, DSPCISTATUS, ahc->bus_softc.pci_softc.dspcistatus);
        !          1428:        if ((ahc->features & AHC_DT) != 0) {
        !          1429:                u_int sfunct;
        !          1430:
        !          1431:                sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
        !          1432:                ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
        !          1433:                ahc_outb(ahc, OPTIONMODE, ahc->bus_softc.pci_softc.optionmode);
        !          1434:                ahc_outw(ahc, TARGCRCCNT, ahc->bus_softc.pci_softc.targcrccnt);
        !          1435:                ahc_outb(ahc, SFUNCT, sfunct);
        !          1436:                ahc_outb(ahc, CRCCONTROL1,
        !          1437:                         ahc->bus_softc.pci_softc.crccontrol1);
        !          1438:        }
        !          1439:        if ((ahc->features & AHC_MULTI_FUNC) != 0)
        !          1440:                ahc_outb(ahc, SCBBADDR, ahc->bus_softc.pci_softc.scbbaddr);
        !          1441:
        !          1442:        if ((ahc->features & AHC_ULTRA2) != 0)
        !          1443:                ahc_outb(ahc, DFF_THRSH, ahc->bus_softc.pci_softc.dff_thrsh);
        !          1444:
        !          1445:        return (ahc_chip_init(ahc));
        !          1446: }
        !          1447:
        !          1448: static int
        !          1449: ahc_aic785X_setup(struct ahc_softc *ahc)
        !          1450: {
        !          1451:        uint8_t rev;
        !          1452:
        !          1453:        ahc->channel = 'A';
        !          1454:        ahc->chip = AHC_AIC7850;
        !          1455:        ahc->features = AHC_AIC7850_FE;
        !          1456:        ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
        !          1457:        rev = PCI_REVISION(ahc->bd->class);
        !          1458:        if (rev >= 1)
        !          1459:                ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
        !          1460:        ahc->instruction_ram_size = 512;
        !          1461:        return (0);
        !          1462: }
        !          1463:
        !          1464: static int
        !          1465: ahc_aic7860_setup(struct ahc_softc *ahc)
        !          1466: {
        !          1467:        uint8_t rev;
        !          1468:
        !          1469:        ahc->channel = 'A';
        !          1470:        ahc->chip = AHC_AIC7860;
        !          1471:        ahc->features = AHC_AIC7860_FE;
        !          1472:        ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
        !          1473:        rev = PCI_REVISION(ahc->bd->class);
        !          1474:        if (rev >= 1)
        !          1475:                ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
        !          1476:        ahc->instruction_ram_size = 512;
        !          1477:        return (0);
        !          1478: }
        !          1479:
        !          1480: static int
        !          1481: ahc_apa1480_setup(struct ahc_softc *ahc)
        !          1482: {
        !          1483:        int error;
        !          1484:
        !          1485:        error = ahc_aic7860_setup(ahc);
        !          1486:        if (error != 0)
        !          1487:                return (error);
        !          1488:        ahc->features |= AHC_REMOVABLE;
        !          1489:        return (0);
        !          1490: }
        !          1491:
        !          1492: static int
        !          1493: ahc_aic7870_setup(struct ahc_softc *ahc)
        !          1494: {
        !          1495:
        !          1496:        ahc->channel = 'A';
        !          1497:        ahc->chip = AHC_AIC7870;
        !          1498:        ahc->features = AHC_AIC7870_FE;
        !          1499:        ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
        !          1500:        ahc->instruction_ram_size = 512;
        !          1501:        return (0);
        !          1502: }
        !          1503:
        !          1504: static int
        !          1505: ahc_aha394X_setup(struct ahc_softc *ahc)
        !          1506: {
        !          1507:        int error;
        !          1508:
        !          1509:        error = ahc_aic7870_setup(ahc);
        !          1510:        if (error == 0)
        !          1511:                error = ahc_aha394XX_setup(ahc);
        !          1512:        return (error);
        !          1513: }
        !          1514:
        !          1515: static int
        !          1516: ahc_aha398X_setup(struct ahc_softc *ahc)
        !          1517: {
        !          1518:        int error;
        !          1519:
        !          1520:        error = ahc_aic7870_setup(ahc);
        !          1521:        if (error == 0)
        !          1522:                error = ahc_aha398XX_setup(ahc);
        !          1523:        return (error);
        !          1524: }
        !          1525:
        !          1526: static int
        !          1527: ahc_aha494X_setup(struct ahc_softc *ahc)
        !          1528: {
        !          1529:        int error;
        !          1530:
        !          1531:        error = ahc_aic7870_setup(ahc);
        !          1532:        if (error == 0)
        !          1533:                error = ahc_aha494XX_setup(ahc);
        !          1534:        return (error);
        !          1535: }
        !          1536:
        !          1537: static int
        !          1538: ahc_aic7880_setup(struct ahc_softc *ahc)
        !          1539: {
        !          1540:        uint8_t rev;
        !          1541:
        !          1542:        ahc->channel = 'A';
        !          1543:        ahc->chip = AHC_AIC7880;
        !          1544:        ahc->features = AHC_AIC7880_FE;
        !          1545:        ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
        !          1546:        rev = PCI_REVISION(ahc->bd->class);
        !          1547:        if (rev >= 1) {
        !          1548:                ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
        !          1549:        } else {
        !          1550:                ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
        !          1551:        }
        !          1552:        ahc->instruction_ram_size = 512;
        !          1553:        return (0);
        !          1554: }
        !          1555:
        !          1556: static int
        !          1557: ahc_aha2940Pro_setup(struct ahc_softc *ahc)
        !          1558: {
        !          1559:
        !          1560:        ahc->flags |= AHC_INT50_SPEEDFLEX;
        !          1561:        return (ahc_aic7880_setup(ahc));
        !          1562: }
        !          1563:
        !          1564: static int
        !          1565: ahc_aha394XU_setup(struct ahc_softc *ahc)
        !          1566: {
        !          1567:        int error;
        !          1568:
        !          1569:        error = ahc_aic7880_setup(ahc);
        !          1570:        if (error == 0)
        !          1571:                error = ahc_aha394XX_setup(ahc);
        !          1572:        return (error);
        !          1573: }
        !          1574:
        !          1575: static int
        !          1576: ahc_aha398XU_setup(struct ahc_softc *ahc)
        !          1577: {
        !          1578:        int error;
        !          1579:
        !          1580:        error = ahc_aic7880_setup(ahc);
        !          1581:        if (error == 0)
        !          1582:                error = ahc_aha398XX_setup(ahc);
        !          1583:        return (error);
        !          1584: }
        !          1585:
        !          1586: static int
        !          1587: ahc_aic7890_setup(struct ahc_softc *ahc)
        !          1588: {
        !          1589:        uint8_t rev;
        !          1590:
        !          1591:        ahc->channel = 'A';
        !          1592:        ahc->chip = AHC_AIC7890;
        !          1593:        ahc->features = AHC_AIC7890_FE;
        !          1594:        ahc->flags |= AHC_NEWEEPROM_FMT;
        !          1595:        rev = PCI_REVISION(ahc->bd->class);
        !          1596:        if (rev == 0)
        !          1597:                ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
        !          1598:        ahc->instruction_ram_size = 768;
        !          1599:        return (0);
        !          1600: }
        !          1601:
        !          1602: static int
        !          1603: ahc_aic7892_setup(struct ahc_softc *ahc)
        !          1604: {
        !          1605:
        !          1606:        ahc->channel = 'A';
        !          1607:        ahc->chip = AHC_AIC7892;
        !          1608:        ahc->features = AHC_AIC7892_FE;
        !          1609:        ahc->flags |= AHC_NEWEEPROM_FMT;
        !          1610:        ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
        !          1611:        ahc->instruction_ram_size = 1024;
        !          1612:        return (0);
        !          1613: }
        !          1614:
        !          1615: static int
        !          1616: ahc_aic7895_setup(struct ahc_softc *ahc)
        !          1617: {
        !          1618:        uint8_t rev;
        !          1619:
        !          1620:        ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
        !          1621:        /*
        !          1622:         * The 'C' revision of the aic7895 has a few additional features.
        !          1623:         */
        !          1624:        rev = PCI_REVISION(ahc->bd->class);
        !          1625:        if (rev >= 4) {
        !          1626:                ahc->chip = AHC_AIC7895C;
        !          1627:                ahc->features = AHC_AIC7895C_FE;
        !          1628:        } else  {
        !          1629:                u_int command;
        !          1630:
        !          1631:                ahc->chip = AHC_AIC7895;
        !          1632:                ahc->features = AHC_AIC7895_FE;
        !          1633:
        !          1634:                /*
        !          1635:                 * The BIOS disables the use of MWI transactions
        !          1636:                 * since it does not have the MWI bug work around
        !          1637:                 * we have.  Disabling MWI reduces performance, so
        !          1638:                 * turn it on again.
        !          1639:                 */
        !          1640:                command = pci_conf_read(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG);
        !          1641:                command |=  PCI_COMMAND_INVALIDATE_ENABLE;
        !          1642:                pci_conf_write(ahc->bd->pc, ahc->bd->tag, PCI_COMMAND_STATUS_REG, command);
        !          1643:                ahc->bugs |= AHC_PCI_MWI_BUG;
        !          1644:        }
        !          1645:        /*
        !          1646:         * XXX Does CACHETHEN really not work???  What about PCI retry?
        !          1647:         * on C level chips.  Need to test, but for now, play it safe.
        !          1648:         */
        !          1649:        ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
        !          1650:                  |  AHC_CACHETHEN_BUG;
        !          1651:
        !          1652: #if 0
        !          1653:        uint32_t devconfig;
        !          1654:
        !          1655:        /*
        !          1656:         * Cachesize must also be zero due to stray DAC
        !          1657:         * problem when sitting behind some bridges.
        !          1658:         */
        !          1659:        pci_conf_write(ahc->bd->pc, ahc->bd->tag, CSIZE_LATTIME, 0);
        !          1660:        devconfig = pci_conf_read(ahc->bd->pc, ahc->bd->tag, DEVCONFIG);
        !          1661:        devconfig |= MRDCEN;
        !          1662:        pci_conf_write(ahc->bd->pc, ahc->bd->tag, DEVCONFIG, devconfig);
        !          1663: #endif
        !          1664:        ahc->flags |= AHC_NEWEEPROM_FMT;
        !          1665:        ahc->instruction_ram_size = 512;
        !          1666:        return (0);
        !          1667: }
        !          1668:
        !          1669: static int
        !          1670: ahc_aic7896_setup(struct ahc_softc *ahc)
        !          1671: {
        !          1672:        ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
        !          1673:        ahc->chip = AHC_AIC7896;
        !          1674:        ahc->features = AHC_AIC7896_FE;
        !          1675:        ahc->flags |= AHC_NEWEEPROM_FMT;
        !          1676:        ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
        !          1677:        ahc->instruction_ram_size = 768;
        !          1678:        return (0);
        !          1679: }
        !          1680:
        !          1681: static int
        !          1682: ahc_aic7899_setup(struct ahc_softc *ahc)
        !          1683: {
        !          1684:        ahc->channel = (ahc->bd->func == 1) ? 'B' : 'A';
        !          1685:        ahc->chip = AHC_AIC7899;
        !          1686:        ahc->features = AHC_AIC7899_FE;
        !          1687:        ahc->flags |= AHC_NEWEEPROM_FMT;
        !          1688:        ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
        !          1689:        ahc->instruction_ram_size = 1024;
        !          1690:        return (0);
        !          1691: }
        !          1692:
        !          1693: static int
        !          1694: ahc_aha29160C_setup(struct ahc_softc *ahc)
        !          1695: {
        !          1696:        int error;
        !          1697:
        !          1698:        error = ahc_aic7899_setup(ahc);
        !          1699:        if (error != 0)
        !          1700:                return (error);
        !          1701:        ahc->features |= AHC_REMOVABLE;
        !          1702:        return (0);
        !          1703: }
        !          1704:
        !          1705: static int
        !          1706: ahc_raid_setup(struct ahc_softc *ahc)
        !          1707: {
        !          1708:        printf("RAID functionality unsupported\n");
        !          1709:        return (ENXIO);
        !          1710: }
        !          1711:
        !          1712: static int
        !          1713: ahc_aha394XX_setup(struct ahc_softc *ahc)
        !          1714: {
        !          1715:
        !          1716:        switch (ahc->bd->dev) {
        !          1717:        case AHC_394X_SLOT_CHANNEL_A:
        !          1718:                ahc->channel = 'A';
        !          1719:                break;
        !          1720:        case AHC_394X_SLOT_CHANNEL_B:
        !          1721:                ahc->channel = 'B';
        !          1722:                break;
        !          1723:        default:
        !          1724:                printf("adapter at unexpected slot %d\n"
        !          1725:                       "unable to map to a channel\n",
        !          1726:                       ahc->bd->dev);
        !          1727:                ahc->channel = 'A';
        !          1728:        }
        !          1729:        return (0);
        !          1730: }
        !          1731:
        !          1732: static int
        !          1733: ahc_aha398XX_setup(struct ahc_softc *ahc)
        !          1734: {
        !          1735:
        !          1736:        switch (ahc->bd->dev) {
        !          1737:        case AHC_398X_SLOT_CHANNEL_A:
        !          1738:                ahc->channel = 'A';
        !          1739:                break;
        !          1740:        case AHC_398X_SLOT_CHANNEL_B:
        !          1741:                ahc->channel = 'B';
        !          1742:                break;
        !          1743:        case AHC_398X_SLOT_CHANNEL_C:
        !          1744:                ahc->channel = 'C';
        !          1745:                break;
        !          1746:        default:
        !          1747:                printf("adapter at unexpected slot %d\n"
        !          1748:                       "unable to map to a channel\n",
        !          1749:                       ahc->bd->dev);
        !          1750:                ahc->channel = 'A';
        !          1751:                break;
        !          1752:        }
        !          1753:        ahc->flags |= AHC_LARGE_SEEPROM;
        !          1754:        return (0);
        !          1755: }
        !          1756:
        !          1757: static int
        !          1758: ahc_aha494XX_setup(struct ahc_softc *ahc)
        !          1759: {
        !          1760:
        !          1761:        switch (ahc->bd->dev) {
        !          1762:        case AHC_494X_SLOT_CHANNEL_A:
        !          1763:                ahc->channel = 'A';
        !          1764:                break;
        !          1765:        case AHC_494X_SLOT_CHANNEL_B:
        !          1766:                ahc->channel = 'B';
        !          1767:                break;
        !          1768:        case AHC_494X_SLOT_CHANNEL_C:
        !          1769:                ahc->channel = 'C';
        !          1770:                break;
        !          1771:        case AHC_494X_SLOT_CHANNEL_D:
        !          1772:                ahc->channel = 'D';
        !          1773:                break;
        !          1774:        default:
        !          1775:                printf("adapter at unexpected slot %d\n"
        !          1776:                       "unable to map to a channel\n",
        !          1777:                       ahc->bd->dev);
        !          1778:                ahc->channel = 'A';
        !          1779:        }
        !          1780:        ahc->flags |= AHC_LARGE_SEEPROM;
        !          1781:        return (0);
        !          1782: }

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