/* * Product specific probe and attach routines for: * 3940, 2940, aic7895, aic7890, aic7880, * aic7870, aic7860 and aic7850 SCSI controllers * * Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000 Justin T. Gibbs * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU Public License ("GPL"). * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: //depot/src/aic7xxx/aic7xxx_pci.c#4 $ * * $FreeBSD$ */ #ifdef __linux__ #include "aic7xxx_linux.h" #include "aic7xxx_inline.h" #include "aic7xxx_93cx6.h" #endif #ifdef __FreeBSD__ #include #include #include #endif #define AHC_PCI_IOADDR PCIR_MAPS /* I/O Address */ #define AHC_PCI_MEMADDR (PCIR_MAPS + 4) /* Mem I/O Address */ static __inline uint64_t ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor) { uint64_t id; id = subvendor | (subdevice << 16) | ((uint64_t)vendor << 32) | ((uint64_t)device << 48); return (id); } #define ID_ALL_MASK 0xFFFFFFFFFFFFFFFFull #define ID_DEV_VENDOR_MASK 0xFFFFFFFF00000000ull #define ID_AIC7850 0x5078900400000000ull #define ID_AHA_2910_15_20_30C 0x5078900478509004ull #define ID_AIC7855 0x5578900400000000ull #define ID_AIC7859 0x3860900400000000ull #define ID_AHA_2930CU 0x3860900438699004ull #define ID_AIC7860 0x6078900400000000ull #define ID_AIC7860C 0x6078900478609004ull #define ID_AHA_1480A 0x6075900400000000ull #define ID_AHA_2940AU_0 0x6178900400000000ull #define ID_AHA_2940AU_1 0x6178900478619004ull #define ID_AHA_2940AU_CN 0x2178900478219004ull #define ID_AHA_2930C_VAR 0x6038900438689004ull #define ID_AIC7870 0x7078900400000000ull #define ID_AHA_2940 0x7178900400000000ull #define ID_AHA_3940 0x7278900400000000ull #define ID_AHA_398X 0x7378900400000000ull #define ID_AHA_2944 0x7478900400000000ull #define ID_AHA_3944 0x7578900400000000ull #define ID_AHA_4944 0x7678900400000000ull #define ID_AIC7880 0x8078900400000000ull #define ID_AIC7880_B 0x8078900478809004ull #define ID_AHA_2940U 0x8178900400000000ull #define ID_AHA_3940U 0x8278900400000000ull #define ID_AHA_2944U 0x8478900400000000ull #define ID_AHA_3944U 0x8578900400000000ull #define ID_AHA_398XU 0x8378900400000000ull #define ID_AHA_4944U 0x8678900400000000ull #define ID_AHA_2940UB 0x8178900478819004ull #define ID_AHA_2930U 0x8878900478889004ull #define ID_AHA_2940U_PRO 0x8778900478879004ull #define ID_AHA_2940U_CN 0x0078900478009004ull #define ID_AIC7895 0x7895900478959004ull #define ID_AIC7895_RAID_PORT 0x7893900478939004ull #define ID_AHA_2940U_DUAL 0x7895900478919004ull #define ID_AHA_3940AU 0x7895900478929004ull #define ID_AHA_3944AU 0x7895900478949004ull #define ID_AIC7890 0x001F9005000F9005ull #define ID_AAA_131U2 0x0013900500039005ull #define ID_AHA_2930U2 0x0011900501819005ull #define ID_AHA_2940U2B 0x00109005A1009005ull #define ID_AHA_2940U2_OEM 0x0010900521809005ull #define ID_AHA_2940U2 0x00109005A1809005ull #define ID_AHA_2950U2B 0x00109005E1009005ull #define ID_AIC7892 0x008F9005FFFF9005ull #define ID_AHA_29160 0x00809005E2A09005ull #define ID_AHA_29160_CPQ 0x00809005E2A00E11ull #define ID_AHA_29160N 0x0080900562A09005ull #define ID_AHA_29160B 0x00809005E2209005ull #define ID_AHA_19160B 0x0081900562A19005ull #define ID_AIC7896 0x005F9005FFFF9005ull #define ID_AHA_3950U2B_0 0x00509005FFFF9005ull #define ID_AHA_3950U2B_1 0x00509005F5009005ull #define ID_AHA_3950U2D_0 0x00519005FFFF9005ull #define ID_AHA_3950U2D_1 0x00519005B5009005ull #define ID_AIC7899 0x00CF9005FFFF9005ull #define ID_AHA_3960D 0x00C09005F6209005ull /* AKA AHA-39160 */ #define ID_AHA_3960D_CPQ 0x00C09005F6200E11ull #define ID_AIC7810 0x1078900400000000ull #define ID_AIC7815 0x7815900400000000ull static ahc_device_setup_t ahc_aic7850_setup; static ahc_device_setup_t ahc_aic7855_setup; static ahc_device_setup_t ahc_aic7860_setup; static ahc_device_setup_t ahc_aic7870_setup; static ahc_device_setup_t ahc_aha394X_setup; static ahc_device_setup_t ahc_aha494X_setup; static ahc_device_setup_t ahc_aha398X_setup; static ahc_device_setup_t ahc_aic7880_setup; static ahc_device_setup_t ahc_2940Pro_setup; static ahc_device_setup_t ahc_aha394XU_setup; static ahc_device_setup_t ahc_aha398XU_setup; static ahc_device_setup_t ahc_aic7890_setup; static ahc_device_setup_t ahc_aic7892_setup; static ahc_device_setup_t ahc_aic7895_setup; static ahc_device_setup_t ahc_aic7896_setup; static ahc_device_setup_t ahc_aic7899_setup; static ahc_device_setup_t ahc_raid_setup; static ahc_device_setup_t ahc_aha394XX_setup; static ahc_device_setup_t ahc_aha494XX_setup; static ahc_device_setup_t ahc_aha398XX_setup; struct ahc_pci_identity ahc_pci_ident_table [] = { /* aic7850 based controllers */ { ID_AHA_2910_15_20_30C, ID_ALL_MASK, "Adaptec 2910/15/20/30C SCSI adapter", ahc_aic7850_setup }, /* aic7860 based controllers */ { ID_AHA_2930CU, ID_ALL_MASK, "Adaptec 2930CU SCSI adapter", ahc_aic7860_setup }, { ID_AHA_1480A & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 1480A Ultra SCSI adapter", ahc_aic7860_setup }, { ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 2940A Ultra SCSI adapter", ahc_aic7860_setup }, { ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 2940A/CN Ultra SCSI adapter", ahc_aic7860_setup }, { ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 2930C SCSI adapter (VAR)", ahc_aic7860_setup }, /* aic7870 based controllers */ { ID_AHA_2940, ID_ALL_MASK, "Adaptec 2940 SCSI adapter", ahc_aic7870_setup }, { ID_AHA_3940, ID_ALL_MASK, "Adaptec 3940 SCSI adapter", ahc_aha394X_setup }, { ID_AHA_398X, ID_ALL_MASK, "Adaptec 398X SCSI RAID adapter", ahc_aha398X_setup }, { ID_AHA_2944, ID_ALL_MASK, "Adaptec 2944 SCSI adapter", ahc_aic7870_setup }, { ID_AHA_3944, ID_ALL_MASK, "Adaptec 3944 SCSI adapter", ahc_aha394X_setup }, { ID_AHA_4944, ID_ALL_MASK, "Adaptec 4944 SCSI adapter", ahc_aha494X_setup }, /* aic7880 based controllers */ { ID_AHA_2940U & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 2940 Ultra SCSI adapter", ahc_aic7880_setup }, { ID_AHA_3940U & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 3940 Ultra SCSI adapter", ahc_aha394XU_setup }, { ID_AHA_2944U & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 2944 Ultra SCSI adapter", ahc_aic7880_setup }, { ID_AHA_3944U & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 3944 Ultra SCSI adapter", ahc_aha394XU_setup }, { ID_AHA_398XU & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 398X Ultra SCSI RAID adapter", ahc_aha398XU_setup }, { /* * XXX Don't know the slot numbers * so we can't identify channels */ ID_AHA_4944U & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 4944 Ultra SCSI adapter", ahc_aic7880_setup }, { ID_AHA_2930U & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 2930 Ultra SCSI adapter", ahc_aic7880_setup }, { ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 2940 Pro Ultra SCSI adapter", ahc_2940Pro_setup }, { ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 2940/CN Ultra SCSI adapter", ahc_aic7880_setup }, /* aic7890 based controllers */ { ID_AHA_2930U2, ID_ALL_MASK, "Adaptec 2930 Ultra2 SCSI adapter", ahc_aic7890_setup }, { ID_AHA_2940U2B, ID_ALL_MASK, "Adaptec 2940B Ultra2 SCSI adapter", ahc_aic7890_setup }, { ID_AHA_2940U2_OEM, ID_ALL_MASK, "Adaptec 2940 Ultra2 SCSI adapter (OEM)", ahc_aic7890_setup }, { ID_AHA_2940U2, ID_ALL_MASK, "Adaptec 2940 Ultra2 SCSI adapter", ahc_aic7890_setup }, { ID_AHA_2950U2B, ID_ALL_MASK, "Adaptec 2950 Ultra2 SCSI adapter", ahc_aic7890_setup }, { ID_AAA_131U2, ID_ALL_MASK, "Adaptec AAA-131 Ultra2 RAID adapter", ahc_aic7890_setup }, /* aic7892 based controllers */ { ID_AHA_29160, ID_ALL_MASK, "Adaptec 29160 Ultra160 SCSI adapter", ahc_aic7892_setup }, { ID_AHA_29160_CPQ, ID_ALL_MASK, "Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter", ahc_aic7892_setup }, { ID_AHA_29160N, ID_ALL_MASK, "Adaptec 29160N Ultra160 SCSI adapter", ahc_aic7892_setup }, { ID_AHA_29160B, ID_ALL_MASK, "Adaptec 29160B Ultra160 SCSI adapter", ahc_aic7892_setup }, { ID_AHA_19160B, ID_ALL_MASK, "Adaptec 19160B Ultra160 SCSI adapter", ahc_aic7892_setup }, /* aic7895 based controllers */ { ID_AHA_2940U_DUAL, ID_ALL_MASK, "Adaptec 2940/DUAL Ultra SCSI adapter", ahc_aic7895_setup }, { ID_AHA_3940AU, ID_ALL_MASK, "Adaptec 3940A Ultra SCSI adapter", ahc_aic7895_setup }, { ID_AHA_3944AU, ID_ALL_MASK, "Adaptec 3944A Ultra SCSI adapter", ahc_aic7895_setup }, /* aic7896/97 based controllers */ { ID_AHA_3950U2B_0, ID_ALL_MASK, "Adaptec 3950B Ultra2 SCSI adapter", ahc_aic7896_setup }, { ID_AHA_3950U2B_1, ID_ALL_MASK, "Adaptec 3950B Ultra2 SCSI adapter", ahc_aic7896_setup }, { ID_AHA_3950U2D_0, ID_ALL_MASK, "Adaptec 3950D Ultra2 SCSI adapter", ahc_aic7896_setup }, { ID_AHA_3950U2D_1, ID_ALL_MASK, "Adaptec 3950D Ultra2 SCSI adapter", ahc_aic7896_setup }, /* aic7899 based controllers */ { ID_AHA_3960D, ID_ALL_MASK, "Adaptec 3960D Ultra160 SCSI adapter", ahc_aic7899_setup }, { ID_AHA_3960D_CPQ, ID_ALL_MASK, "Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter", ahc_aic7899_setup }, /* Generic chip probes for devices we don't know 'exactly' */ { ID_AIC7850 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7850 SCSI adapter", ahc_aic7850_setup }, { ID_AIC7855 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7855 SCSI adapter", ahc_aic7855_setup }, { ID_AIC7859 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7859 Ultra SCSI adapter", ahc_aic7860_setup }, { ID_AIC7860 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7860 SCSI adapter", ahc_aic7860_setup }, { ID_AIC7870 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7870 SCSI adapter", ahc_aic7870_setup }, { ID_AIC7880 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7880 Ultra SCSI adapter", ahc_aic7880_setup }, { ID_AIC7890 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7890/91 Ultra2 SCSI adapter", ahc_aic7890_setup }, { ID_AIC7892 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7892 Ultra160 SCSI adapter", ahc_aic7892_setup }, { ID_AIC7895 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7895 Ultra SCSI adapter", ahc_aic7895_setup }, { ID_AIC7895_RAID_PORT & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7895 Ultra SCSI adapter (RAID PORT)", ahc_aic7895_setup }, { ID_AIC7896 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7896/97 Ultra2 SCSI adapter", ahc_aic7896_setup }, { ID_AIC7899 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7899 Ultra160 SCSI adapter", ahc_aic7899_setup }, { ID_AIC7810 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7810 RAID memory controller", ahc_raid_setup }, { ID_AIC7815 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7815 RAID memory controller", ahc_raid_setup } }; const int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table); #define AHC_394X_SLOT_CHANNEL_A 4 #define AHC_394X_SLOT_CHANNEL_B 5 #define AHC_398X_SLOT_CHANNEL_A 4 #define AHC_398X_SLOT_CHANNEL_B 8 #define AHC_398X_SLOT_CHANNEL_C 12 #define AHC_494X_SLOT_CHANNEL_A 4 #define AHC_494X_SLOT_CHANNEL_B 5 #define AHC_494X_SLOT_CHANNEL_C 6 #define AHC_494X_SLOT_CHANNEL_D 7 #define DEVCONFIG 0x40 #define SCBSIZE32 0x00010000ul /* aic789X only */ #define MPORTMODE 0x00000400ul /* aic7870 only */ #define RAMPSM 0x00000200ul /* aic7870 only */ #define VOLSENSE 0x00000100ul #define SCBRAMSEL 0x00000080ul #define MRDCEN 0x00000040ul #define EXTSCBTIME 0x00000020ul /* aic7870 only */ #define EXTSCBPEN 0x00000010ul /* aic7870 only */ #define BERREN 0x00000008ul #define DACEN 0x00000004ul #define STPWLEVEL 0x00000002ul #define DIFACTNEGEN 0x00000001ul /* aic7870 only */ #define CSIZE_LATTIME 0x0c #define CACHESIZE 0x0000003ful /* only 5 bits */ #define LATTIME 0x0000ff00ul static int ahc_ext_scbram_present(struct ahc_softc *ahc); static void ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck, int fast, int large); static void ahc_probe_ext_scbram(struct ahc_softc *ahc); static void check_extport(struct ahc_softc *ahc, u_int *sxfrctl1); static void configure_termination(struct ahc_softc *ahc, struct seeprom_descriptor *sd, u_int adapter_control, u_int *sxfrctl1); static void ahc_new_term_detect(struct ahc_softc *ahc, int *enableSEC_low, int *enableSEC_high, int *enablePRI_low, int *enablePRI_high, int *eeprom_present); static void aic787X_cable_detect(struct ahc_softc *ahc, int *internal50_present, int *internal68_present, int *externalcable_present, int *eeprom_present); static void aic785X_cable_detect(struct ahc_softc *ahc, int *internal50_present, int *externalcable_present, int *eeprom_present); static int acquire_seeprom(struct ahc_softc *ahc, struct seeprom_descriptor *sd); static void release_seeprom(struct seeprom_descriptor *sd); static void write_brdctl(struct ahc_softc *ahc, uint8_t value); static uint8_t read_brdctl(struct ahc_softc *ahc); struct ahc_pci_identity * ahc_find_pci_device(ahc_dev_softc_t pci) { uint64_t full_id; uint16_t device; uint16_t vendor; uint16_t subdevice; uint16_t subvendor; struct ahc_pci_identity *entry; u_int i; vendor = ahc_pci_read_config(pci, PCIR_DEVVENDOR, /*bytes*/2); device = ahc_pci_read_config(pci, PCIR_DEVICE, /*bytes*/2); subvendor = ahc_pci_read_config(pci, PCIR_SUBVEND_0, /*bytes*/2); subdevice = ahc_pci_read_config(pci, PCIR_SUBDEV_0, /*bytes*/2); full_id = ahc_compose_id(device, vendor, subdevice, subvendor); for (i = 0; i < ahc_num_pci_devs; i++) { entry = &ahc_pci_ident_table[i]; if (entry->full_id == (full_id & entry->id_mask)) return (entry); } return (NULL); } int ahc_pci_config(struct ahc_softc *ahc, struct ahc_pci_identity *entry) { struct ahc_probe_config probe_config; struct scb_data *shared_scb_data; u_int command; u_int our_id = 0; u_int sxfrctl1; u_int scsiseq; u_int dscommand0; int error; uint8_t sblkctl; shared_scb_data = NULL; ahc_init_probe_config(&probe_config); error = entry->setup(ahc->dev_softc, &probe_config); if (error != 0) return (error); probe_config.chip |= AHC_PCI; probe_config.description = entry->name; error = ahc_pci_map_registers(ahc); if (error != 0) return (error); /* Ensure busmastering is enabled */ command = ahc_pci_read_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/1); command |= PCIM_CMD_BUSMASTEREN; ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, command, /*bytes*/1); /* On all PCI adapters, we allow SCB paging */ probe_config.flags |= AHC_PAGESCBS; error = ahc_softc_init(ahc, &probe_config); if (error != 0) return (error); /* Remeber how the card was setup in case there is no SEEPROM */ pause_sequencer(ahc); if ((ahc->features & AHC_ULTRA2) != 0) our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID; else our_id = ahc_inb(ahc, SCSIID) & OID; sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN; scsiseq = ahc_inb(ahc, SCSISEQ); error = ahc_reset(ahc); if (error != 0) return (ENXIO); if ((ahc->features & AHC_DT) != 0) { u_int sfunct; /* Perform ALT-Mode Setup */ sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE; ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE); ahc_outb(ahc, OPTIONMODE, OPTIONMODE_DEFAULTS); /* Send CRC info in target mode every 4K */ ahc_outb(ahc, TARGCRCCNT, 0); ahc_outb(ahc, TARGCRCCNT + 1, 0x10); ahc_outb(ahc, SFUNCT, sfunct); /* Normal mode setup */ ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN |TARGCRCENDEN|TARGCRCCNTEN); } error = ahc_pci_map_int(ahc); if (error != 0) return (error); dscommand0 = ahc_inb(ahc, DSCOMMAND0); dscommand0 |= MPARCKEN; if ((ahc->features & AHC_ULTRA2) != 0) { /* * DPARCKEN doesn't work correctly on * some MBs so don't use it. */ dscommand0 &= ~DPARCKEN; dscommand0 |= CACHETHEN; } /* * Handle chips that must have cache line * streaming (dis/en)abled. */ if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0) dscommand0 |= CACHETHEN; if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0) dscommand0 &= ~CACHETHEN; ahc_outb(ahc, DSCOMMAND0, dscommand0); ahc->pci_cachesize = ahc_pci_read_config(ahc->dev_softc, CSIZE_LATTIME, /*bytes*/1) & CACHESIZE; ahc->pci_cachesize *= 4; /* See if we have a SEEPROM and perform auto-term */ check_extport(ahc, &sxfrctl1); /* * Take the LED out of diagnostic mode */ sblkctl = ahc_inb(ahc, SBLKCTL); ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON))); /* * I don't know where this is set in the SEEPROM or by the * BIOS, so we default to 100% on Ultra or slower controllers * and 75% on ULTRA2 controllers. */ if ((ahc->features & AHC_ULTRA2) != 0) { ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_75|WR_DFTHRSH_75); } else { ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100); } if (ahc->flags & AHC_USEDEFAULTS) { /* * PCI Adapter default setup * Should only be used if the adapter does not have * a SEEPROM. */ /* See if someone else set us up already */ if (scsiseq != 0) { printf("%s: Using left over BIOS settings\n", ahc_name(ahc)); ahc->flags &= ~AHC_USEDEFAULTS; } else { /* * Assume only one connector and always turn * on termination. */ our_id = 0x07; sxfrctl1 = STPWEN; } ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI); ahc->our_id = our_id; } /* * Take a look to see if we have external SRAM. * We currently do not attempt to use SRAM that is * shared among multiple controllers. */ ahc_probe_ext_scbram(ahc); /* * Record our termination setting for the * generic initialization routine. */ if ((sxfrctl1 & STPWEN) != 0) ahc->flags |= AHC_TERM_ENB_A; /* Core initialization */ error = ahc_init(ahc); if (error != 0) return (error); /* * Link this softc in with all other ahc instances. */ ahc_softc_insert(ahc); return (0); } /* * Test for the presense of external sram in an * "unshared" configuration. */ static int ahc_ext_scbram_present(struct ahc_softc *ahc) { int ramps; int single_user; uint32_t devconfig; devconfig = ahc_pci_read_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4); single_user = (devconfig & MPORTMODE) != 0; if ((ahc->features & AHC_ULTRA2) != 0) ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0; else if ((ahc->chip & AHC_CHIPID_MASK) >= AHC_AIC7870) ramps = (devconfig & RAMPSM) != 0; else ramps = 0; if (ramps && single_user) return (1); return (0); } /* * Enable external scbram. */ static void ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck, int fast, int large) { uint32_t devconfig; if (ahc->features & AHC_MULTI_FUNC) { /* * Set the SCB Base addr (highest address bit) * depending on which channel we are. */ ahc_outb(ahc, SCBBADDR, ahc_get_pci_function(ahc->dev_softc)); } devconfig = ahc_pci_read_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4); if ((ahc->features & AHC_ULTRA2) != 0) { u_int dscommand0; dscommand0 = ahc_inb(ahc, DSCOMMAND0); if (enable) dscommand0 &= ~INTSCBRAMSEL; else dscommand0 |= INTSCBRAMSEL; if (large) dscommand0 &= ~USCBSIZE32; else dscommand0 |= USCBSIZE32; ahc_outb(ahc, DSCOMMAND0, dscommand0); } else { if (fast) devconfig &= ~EXTSCBTIME; else devconfig |= EXTSCBTIME; if (enable) devconfig &= ~SCBRAMSEL; else devconfig |= SCBRAMSEL; if (large) devconfig &= ~SCBSIZE32; else devconfig |= SCBSIZE32; } if (pcheck) devconfig |= EXTSCBPEN; else devconfig &= ~EXTSCBPEN; ahc_pci_write_config(ahc->dev_softc, DEVCONFIG, devconfig, /*bytes*/4); } /* * Take a look to see if we have external SRAM. * We currently do not attempt to use SRAM that is * shared among multiple controllers. */ static void ahc_probe_ext_scbram(struct ahc_softc *ahc) { int num_scbs; int test_num_scbs; int enable; int pcheck; int fast; int large; enable = FALSE; pcheck = FALSE; fast = FALSE; large = FALSE; num_scbs = 0; if (ahc_ext_scbram_present(ahc) == 0) goto done; /* * Probe for the best parameters to use. */ ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large); num_scbs = ahc_probe_scbs(ahc); if (num_scbs == 0) { /* The SRAM wasn't really present. */ goto done; } enable = TRUE; /* * Clear any outstanding parity error * and ensure that parity error reporting * is enabled. */ ahc_outb(ahc, SEQCTL, 0); ahc_outb(ahc, CLRINT, CLRPARERR); ahc_outb(ahc, CLRINT, CLRBRKADRINT); /* Now see if we can do parity */ ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large); num_scbs = ahc_probe_scbs(ahc); if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0 || (ahc_inb(ahc, ERROR) & MPARERR) == 0) pcheck = TRUE; /* Clear any resulting parity error */ ahc_outb(ahc, CLRINT, CLRPARERR); ahc_outb(ahc, CLRINT, CLRBRKADRINT); /* Now see if we can do fast timing */ ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large); test_num_scbs = ahc_probe_scbs(ahc); if (test_num_scbs == num_scbs && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)) fast = TRUE; /* * See if we can use large SCBs and still maintain * the same overall count of SCBs. */ if ((ahc->features & AHC_LARGE_SCBS) != 0) { ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE); test_num_scbs = ahc_probe_scbs(ahc); if (test_num_scbs >= num_scbs) { large = TRUE; num_scbs = test_num_scbs; if (num_scbs >= 64) { /* * We have enough space to move the * "busy targets table" into SCB space * and make it qualify all the way to the * lun level. */ ahc->flags |= AHC_SCB_BTT; } } } done: /* * Disable parity error reporting until we * can load instruction ram. */ ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS); /* Clear any latched parity error */ ahc_outb(ahc, CLRINT, CLRPARERR); ahc_outb(ahc, CLRINT, CLRBRKADRINT); if (bootverbose && enable) { printf("%s: External SRAM, %s access%s, %dbytes/SCB\n", ahc_name(ahc), fast ? "fast" : "slow", pcheck ? ", parity checking enabled" : "", large ? 64 : 32); } ahc_scbram_config(ahc, enable, pcheck, fast, large); } /* * Check the external port logic for a serial eeprom * and termination/cable detection contrls. */ static void check_extport(struct ahc_softc *ahc, u_int *sxfrctl1) { struct seeprom_descriptor sd; struct seeprom_config sc; u_int scsi_conf; u_int adapter_control; int have_seeprom; int have_autoterm; sd.sd_ahc = ahc; sd.sd_control_offset = SEECTL; sd.sd_status_offset = SEECTL; sd.sd_dataout_offset = SEECTL; /* * For some multi-channel devices, the c46 is simply too * small to work. For the other controller types, we can * get our information from either SEEPROM type. Set the * type to start our probe with accordingly. */ if (ahc->flags & AHC_LARGE_SEEPROM) sd.sd_chip = C56_66; else sd.sd_chip = C46; sd.sd_MS = SEEMS; sd.sd_RDY = SEERDY; sd.sd_CS = SEECS; sd.sd_CK = SEECK; sd.sd_DO = SEEDO; sd.sd_DI = SEEDI; have_seeprom = acquire_seeprom(ahc, &sd); if (have_seeprom) { if (bootverbose) printf("%s: Reading SEEPROM...", ahc_name(ahc)); for (;;) { u_int start_addr; start_addr = 32 * (ahc->channel - 'A'); have_seeprom = read_seeprom(&sd, (uint16_t *)&sc, start_addr, sizeof(sc)/2); if (have_seeprom) have_seeprom = verify_cksum(&sc); if (have_seeprom != 0 || sd.sd_chip == C56_66) { if (bootverbose) { if (have_seeprom == 0) printf ("checksum error\n"); else printf ("done.\n"); } break; } sd.sd_chip = C56_66; } } #if 0 if (!have_seeprom) { /* * Pull scratch ram settings and treat them as * if they are the contents of an seeprom if * the 'ADPT' signature is found in SCB2. */ ahc_outb(ahc, SCBPTR, 2); if (ahc_inb(ahc, SCB_BASE) == 'A' && ahc_inb(ahc, SCB_BASE + 1) == 'D' && ahc_inb(ahc, SCB_BASE + 2) == 'P' && ahc_inb(ahc, SCB_BASE + 3) == 'T') { uint8_t *sc_bytes; int i; sc_bytes = (uint8_t *)≻ for (i = 0; i < 64; i++) sc_bytes[i] = ahc_inb(ahc, TARG_SCSIRATE + i); /* Byte 0x1c is stored in byte 4 of SCB2 */ sc_bytes[0x1c] = ahc_inb(ahc, SCB_BASE + 4); have_seeprom = verify_cksum(&sc); } } #endif if (!have_seeprom) { if (bootverbose) printf("%s: No SEEPROM available.\n", ahc_name(ahc)); ahc->flags |= AHC_USEDEFAULTS; } else { /* * Put the data we've collected down into SRAM * where ahc_init will find it. */ int i; int max_targ = sc.max_targets & CFMAXTARG; uint16_t discenable; uint16_t ultraenb; discenable = 0; ultraenb = 0; if ((sc.adapter_control & CFULTRAEN) != 0) { /* * Determine if this adapter has a "newstyle" * SEEPROM format. */ for (i = 0; i < max_targ; i++) { if ((sc.device_flags[i] & CFSYNCHISULTRA) != 0){ ahc->flags |= AHC_NEWEEPROM_FMT; break; } } } for (i = 0; i < max_targ; i++) { u_int scsirate; uint16_t target_mask; target_mask = 0x01 << i; if (sc.device_flags[i] & CFDISC) discenable |= target_mask; if ((ahc->flags & AHC_NEWEEPROM_FMT) != 0) { if ((sc.device_flags[i] & CFSYNCHISULTRA) != 0) ultraenb |= target_mask; } else if ((sc.adapter_control & CFULTRAEN) != 0) { ultraenb |= target_mask; } if ((sc.device_flags[i] & CFXFER) == 0x04 && (ultraenb & target_mask) != 0) { /* Treat 10MHz as a non-ultra speed */ sc.device_flags[i] &= ~CFXFER; ultraenb &= ~target_mask; } if ((ahc->features & AHC_ULTRA2) != 0) { u_int offset; if (sc.device_flags[i] & CFSYNCH) offset = MAX_OFFSET_ULTRA2; else offset = 0; ahc_outb(ahc, TARG_OFFSET + i, offset); /* * The ultra enable bits contain the * high bit of the ultra2 sync rate * field. */ scsirate = (sc.device_flags[i] & CFXFER) | ((ultraenb & target_mask) ? 0x8 : 0x0); if (sc.device_flags[i] & CFWIDEB) scsirate |= WIDEXFER; } else { scsirate = (sc.device_flags[i] & CFXFER) << 4; if (sc.device_flags[i] & CFSYNCH) scsirate |= SOFS; if (sc.device_flags[i] & CFWIDEB) scsirate |= WIDEXFER; } ahc_outb(ahc, TARG_SCSIRATE + i, scsirate); } ahc->our_id = sc.brtime_id & CFSCSIID; scsi_conf = (ahc->our_id & 0x7); if (sc.adapter_control & CFSPARITY) scsi_conf |= ENSPCHK; if (sc.adapter_control & CFRESETB) scsi_conf |= RESET_SCSI; if (sc.bios_control & CFEXTEND) ahc->flags |= AHC_EXTENDED_TRANS_A; if (ahc->features & AHC_ULTRA && (ahc->flags & AHC_NEWEEPROM_FMT) == 0) { /* Should we enable Ultra mode? */ if (!(sc.adapter_control & CFULTRAEN)) /* Treat us as a non-ultra card */ ultraenb = 0; } if (sc.signature == CFSIGNATURE) { uint32_t devconfig; /* Honor the STPWLEVEL settings */ devconfig = ahc_pci_read_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4); devconfig &= ~STPWLEVEL; if ((sc.bios_control & CFSTPWLEVEL) != 0) devconfig |= STPWLEVEL; ahc_pci_write_config(ahc->dev_softc, DEVCONFIG, devconfig, /*bytes*/4); } /* Set SCSICONF info */ ahc_outb(ahc, SCSICONF, scsi_conf); ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff)); ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff)); ahc_outb(ahc, ULTRA_ENB, ultraenb & 0xff); ahc_outb(ahc, ULTRA_ENB + 1, (ultraenb >> 8) & 0xff); } /* * Cards that have the external logic necessary to talk to * a SEEPROM, are almost certain to have the remaining logic * necessary for auto-termination control. This assumption * hasn't failed yet... */ have_autoterm = have_seeprom; if (have_seeprom) adapter_control = sc.adapter_control; else adapter_control = CFAUTOTERM; /* * Some low-cost chips have SEEPROM and auto-term control built * in, instead of using a GAL. They can tell us directly * if the termination logic is enabled. */ if ((ahc->features & AHC_SPIOCAP) != 0) { if ((ahc_inb(ahc, SPIOCAP) & SSPIOCPS) != 0) have_autoterm = TRUE; else have_autoterm = FALSE; } if (have_autoterm) configure_termination(ahc, &sd, adapter_control, sxfrctl1); release_seeprom(&sd); } static void configure_termination(struct ahc_softc *ahc, struct seeprom_descriptor *sd, u_int adapter_control, u_int *sxfrctl1) { uint8_t brddat; brddat = 0; /* * Update the settings in sxfrctl1 to match the * termination settings */ *sxfrctl1 = 0; /* * SEECS must be on for the GALS to latch * the data properly. Be sure to leave MS * on or we will release the seeprom. */ SEEPROM_OUTB(sd, sd->sd_MS | sd->sd_CS); if ((adapter_control & CFAUTOTERM) != 0 || (ahc->features & AHC_NEW_TERMCTL) != 0) { int internal50_present; int internal68_present; int externalcable_present; int eeprom_present; int enableSEC_low; int enableSEC_high; int enablePRI_low; int enablePRI_high; enableSEC_low = 0; enableSEC_high = 0; enablePRI_low = 0; enablePRI_high = 0; if ((ahc->features & AHC_NEW_TERMCTL) != 0) { ahc_new_term_detect(ahc, &enableSEC_low, &enableSEC_high, &enablePRI_low, &enablePRI_high, &eeprom_present); if ((adapter_control & CFSEAUTOTERM) == 0) { if (bootverbose) printf("%s: Manual SE Termination\n", ahc_name(ahc)); enableSEC_low = (adapter_control & CFSELOWTERM); enableSEC_high = (adapter_control & CFSEHIGHTERM); } if ((adapter_control & CFAUTOTERM) == 0) { if (bootverbose) printf("%s: Manual LVD Termination\n", ahc_name(ahc)); enablePRI_low = (adapter_control & CFSTERM); enablePRI_high = (adapter_control & CFWSTERM); } /* Make the table calculations below happy */ internal50_present = 0; internal68_present = 1; externalcable_present = 1; } else if ((ahc->features & AHC_SPIOCAP) != 0) { aic785X_cable_detect(ahc, &internal50_present, &externalcable_present, &eeprom_present); } else { aic787X_cable_detect(ahc, &internal50_present, &internal68_present, &externalcable_present, &eeprom_present); } if ((ahc->features & AHC_WIDE) == 0) internal68_present = 0; if (bootverbose) { if ((ahc->features & AHC_ULTRA2) == 0) { printf("%s: internal 50 cable %s present, " "internal 68 cable %s present\n", ahc_name(ahc), internal50_present ? "is":"not", internal68_present ? "is":"not"); printf("%s: external cable %s present\n", ahc_name(ahc), externalcable_present ? "is":"not"); } printf("%s: BIOS eeprom %s present\n", ahc_name(ahc), eeprom_present ? "is" : "not"); } if ((ahc->flags & AHC_INT50_SPEEDFLEX) != 0) { /* * The 50 pin connector is a separate bus, * so force it to always be terminated. * In the future, perform current sensing * to determine if we are in the middle of * a properly terminated bus. */ internal50_present = 0; } /* * Now set the termination based on what * we found. * Flash Enable = BRDDAT7 * Secondary High Term Enable = BRDDAT6 * Secondary Low Term Enable = BRDDAT5 (7890) * Primary High Term Enable = BRDDAT4 (7890) */ if ((ahc->features & AHC_ULTRA2) == 0 && (internal50_present != 0) && (internal68_present != 0) && (externalcable_present != 0)) { printf("%s: Illegal cable configuration!!. " "Only two connectors on the " "adapter may be used at a " "time!\n", ahc_name(ahc)); } if ((ahc->features & AHC_WIDE) != 0 && ((externalcable_present == 0) || (internal68_present == 0) || (enableSEC_high != 0))) { brddat |= BRDDAT6; if (bootverbose) { if ((ahc->flags & AHC_INT50_SPEEDFLEX) != 0) printf("%s: 68 pin termination " "Enabled\n", ahc_name(ahc)); else printf("%s: %sHigh byte termination " "Enabled\n", ahc_name(ahc), enableSEC_high ? "Secondary " : ""); } } if (((internal50_present ? 1 : 0) + (internal68_present ? 1 : 0) + (externalcable_present ? 1 : 0)) <= 1 || (enableSEC_low != 0)) { if ((ahc->features & AHC_ULTRA2) != 0) brddat |= BRDDAT5; else *sxfrctl1 |= STPWEN; if (bootverbose) { if ((ahc->flags & AHC_INT50_SPEEDFLEX) != 0) printf("%s: 50 pin termination " "Enabled\n", ahc_name(ahc)); else printf("%s: %sLow byte termination " "Enabled\n", ahc_name(ahc), enableSEC_low ? "Secondary " : ""); } } if (enablePRI_low != 0) { *sxfrctl1 |= STPWEN; if (bootverbose) printf("%s: Primary Low Byte termination " "Enabled\n", ahc_name(ahc)); } /* * Setup STPWEN before setting up the rest of * the termination per the tech note on the U160 cards. */ ahc_outb(ahc, SXFRCTL1, *sxfrctl1); if (enablePRI_high != 0) { brddat |= BRDDAT4; if (bootverbose) printf("%s: Primary High Byte " "termination Enabled\n", ahc_name(ahc)); } write_brdctl(ahc, brddat); } else { if ((adapter_control & CFSTERM) != 0) { *sxfrctl1 |= STPWEN; if (bootverbose) printf("%s: %sLow byte termination Enabled\n", ahc_name(ahc), (ahc->features & AHC_ULTRA2) ? "Primary " : ""); } if ((adapter_control & CFWSTERM) != 0) { brddat |= BRDDAT6; if (bootverbose) printf("%s: %sHigh byte termination Enabled\n", ahc_name(ahc), (ahc->features & AHC_ULTRA2) ? "Secondary " : ""); } /* * Setup STPWEN before setting up the rest of * the termination per the tech note on the U160 cards. */ ahc_outb(ahc, SXFRCTL1, *sxfrctl1); write_brdctl(ahc, brddat); } SEEPROM_OUTB(sd, sd->sd_MS); /* Clear CS */ } static void ahc_new_term_detect(struct ahc_softc *ahc, int *enableSEC_low, int *enableSEC_high, int *enablePRI_low, int *enablePRI_high, int *eeprom_present) { uint8_t brdctl; /* * BRDDAT7 = Eeprom * BRDDAT6 = Enable Secondary High Byte termination * BRDDAT5 = Enable Secondary Low Byte termination * BRDDAT4 = Enable Primary high byte termination * BRDDAT3 = Enable Primary low byte termination */ brdctl = read_brdctl(ahc); *eeprom_present = brdctl & BRDDAT7; *enableSEC_high = (brdctl & BRDDAT6); *enableSEC_low = (brdctl & BRDDAT5); *enablePRI_high = (brdctl & BRDDAT4); *enablePRI_low = (brdctl & BRDDAT3); } static void aic787X_cable_detect(struct ahc_softc *ahc, int *internal50_present, int *internal68_present, int *externalcable_present, int *eeprom_present) { uint8_t brdctl; /* * First read the status of our cables. * Set the rom bank to 0 since the * bank setting serves as a multiplexor * for the cable detection logic. * BRDDAT5 controls the bank switch. */ write_brdctl(ahc, 0); /* * Now read the state of the internal * connectors. BRDDAT6 is INT50 and * BRDDAT7 is INT68. */ brdctl = read_brdctl(ahc); *internal50_present = !(brdctl & BRDDAT6); *internal68_present = !(brdctl & BRDDAT7); /* * Set the rom bank to 1 and determine * the other signals. */ write_brdctl(ahc, BRDDAT5); /* * Now read the state of the external * connectors. BRDDAT6 is EXT68 and * BRDDAT7 is EPROMPS. */ brdctl = read_brdctl(ahc); *externalcable_present = !(brdctl & BRDDAT6); *eeprom_present = brdctl & BRDDAT7; } static void aic785X_cable_detect(struct ahc_softc *ahc, int *internal50_present, int *externalcable_present, int *eeprom_present) { uint8_t brdctl; ahc_outb(ahc, BRDCTL, BRDRW|BRDCS); ahc_outb(ahc, BRDCTL, 0); brdctl = ahc_inb(ahc, BRDCTL); *internal50_present = !(brdctl & BRDDAT5); *externalcable_present = !(brdctl & BRDDAT6); *eeprom_present = (ahc_inb(ahc, SPIOCAP) & EEPROM) != 0; } static int acquire_seeprom(struct ahc_softc *ahc, struct seeprom_descriptor *sd) { int wait; if ((ahc->features & AHC_SPIOCAP) != 0 && (ahc_inb(ahc, SPIOCAP) & SEEPROM) == 0) return (0); /* * Request access of the memory port. When access is * granted, SEERDY will go high. We use a 1 second * timeout which should be near 1 second more than * is needed. Reason: after the chip reset, there * should be no contention. */ SEEPROM_OUTB(sd, sd->sd_MS); wait = 1000; /* 1 second timeout in msec */ while (--wait && ((SEEPROM_STATUS_INB(sd) & sd->sd_RDY) == 0)) { ahc_delay(1000); /* delay 1 msec */ } if ((SEEPROM_STATUS_INB(sd) & sd->sd_RDY) == 0) { SEEPROM_OUTB(sd, 0); return (0); } return(1); } static void release_seeprom(struct seeprom_descriptor *sd) { /* Release access to the memory port and the serial EEPROM. */ SEEPROM_OUTB(sd, 0); } static void write_brdctl(struct ahc_softc *ahc, uint8_t value) { uint8_t brdctl; if ((ahc->chip & AHC_CHIPID_MASK) == AHC_AIC7895) { brdctl = BRDSTB; if (ahc->channel == 'B') brdctl |= BRDCS; } else if ((ahc->features & AHC_ULTRA2) != 0) { brdctl = 0; } else { brdctl = BRDSTB|BRDCS; } ahc_outb(ahc, BRDCTL, brdctl); ahc_delay(20); brdctl |= value; ahc_outb(ahc, BRDCTL, brdctl); ahc_delay(20); if ((ahc->features & AHC_ULTRA2) != 0) brdctl |= BRDSTB_ULTRA2; else brdctl &= ~BRDSTB; ahc_outb(ahc, BRDCTL, brdctl); ahc_delay(20); if ((ahc->features & AHC_ULTRA2) != 0) brdctl = 0; else brdctl &= ~BRDCS; ahc_outb(ahc, BRDCTL, brdctl); } static uint8_t read_brdctl(ahc) struct ahc_softc *ahc; { uint8_t brdctl; uint8_t value; if ((ahc->chip & AHC_CHIPID_MASK) == AHC_AIC7895) { brdctl = BRDRW; if (ahc->channel == 'B') brdctl |= BRDCS; } else if ((ahc->features & AHC_ULTRA2) != 0) { brdctl = BRDRW_ULTRA2; } else { brdctl = BRDRW|BRDCS; } ahc_outb(ahc, BRDCTL, brdctl); ahc_delay(20); value = ahc_inb(ahc, BRDCTL); ahc_outb(ahc, BRDCTL, 0); return (value); } #define DPE 0x80 #define SSE 0x40 #define RMA 0x20 #define RTA 0x10 #define STA 0x08 #define DPR 0x01 void ahc_pci_intr(struct ahc_softc *ahc) { u_int error; u_int status1; error = ahc_inb(ahc, ERROR); if ((error & PCIERRSTAT) == 0) return; status1 = ahc_pci_read_config(ahc->dev_softc, PCIR_STATUS + 1, /*bytes*/1); printf("%s: PCI error Interrupt at seqaddr = 0x%x\n", ahc_name(ahc), ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8)); if (status1 & DPE) { printf("%s: Data Parity Error Detected during address " "or write data phase\n", ahc_name(ahc)); } if (status1 & SSE) { printf("%s: Signaled System Error Detected\n", ahc_name(ahc)); } if (status1 & RMA) { printf("%s: Signaled a Master Abort\n", ahc_name(ahc)); } if (status1 & RTA) { printf("%s: Received a Target Abort\n", ahc_name(ahc)); } if (status1 & STA) { printf("%s: Signaled a Target Abort\n", ahc_name(ahc)); } if (status1 & DPR) { printf("%s: Data Parity Error has been reported via PERR#\n", ahc_name(ahc)); } if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) { printf("%s: Latched PCIERR interrupt with " "no status bits set\n", ahc_name(ahc)); } ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1, status1, /*bytes*/1); if (status1 & (DPR|RMA|RTA)) { ahc_outb(ahc, CLRINT, CLRPARERR); } unpause_sequencer(ahc); } static int ahc_aic7850_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { probe_config->channel = 'A'; probe_config->chip = AHC_AIC7850; probe_config->features = AHC_AIC7850_FE; probe_config->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG | AHC_PCI_MWI_BUG; return (0); } static int ahc_aic7855_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { probe_config->channel = 'A'; probe_config->chip = AHC_AIC7855; probe_config->features = AHC_AIC7855_FE; probe_config->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG | AHC_PCI_MWI_BUG; return (0); } static int ahc_aic7860_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { uint8_t rev; probe_config->channel = 'A'; probe_config->chip = AHC_AIC7860; probe_config->features = AHC_AIC7860_FE; probe_config->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG | AHC_PCI_MWI_BUG; rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1); if (rev >= 1) probe_config->bugs |= AHC_PCI_2_1_RETRY_BUG; return (0); } static int ahc_aic7870_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { probe_config->channel = 'A'; probe_config->chip = AHC_AIC7870; probe_config->features = AHC_AIC7870_FE; probe_config->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG | AHC_PCI_MWI_BUG; return (0); } static int ahc_aha394X_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { int error; error = ahc_aic7870_setup(pci, probe_config); if (error == 0) error = ahc_aha394XX_setup(pci, probe_config); return (error); } static int ahc_aha398X_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { int error; error = ahc_aic7870_setup(pci, probe_config); if (error == 0) error = ahc_aha398XX_setup(pci, probe_config); return (error); } static int ahc_aha494X_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { int error; error = ahc_aic7870_setup(pci, probe_config); if (error == 0) error = ahc_aha494XX_setup(pci, probe_config); return (error); } static int ahc_aic7880_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { uint8_t rev; probe_config->channel = 'A'; probe_config->chip = AHC_AIC7880; probe_config->features = AHC_AIC7880_FE; probe_config->bugs |= AHC_TMODE_WIDEODD_BUG; rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1); if (rev >= 1) { probe_config->bugs |= AHC_PCI_2_1_RETRY_BUG; } else { probe_config->bugs |= AHC_CACHETHEN_BUG; } return (0); } static int ahc_2940Pro_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { int error; probe_config->flags |= AHC_INT50_SPEEDFLEX; error = ahc_aic7880_setup(pci, probe_config); return (0); } static int ahc_aha394XU_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { int error; error = ahc_aic7880_setup(pci, probe_config); if (error == 0) error = ahc_aha394XX_setup(pci, probe_config); return (error); } static int ahc_aha398XU_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { int error; error = ahc_aic7880_setup(pci, probe_config); if (error == 0) error = ahc_aha398XX_setup(pci, probe_config); return (error); } static int ahc_aic7890_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { uint8_t rev; probe_config->channel = 'A'; probe_config->chip = AHC_AIC7890; probe_config->features = AHC_AIC7890_FE; probe_config->flags |= AHC_NEWEEPROM_FMT; rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1); if (rev == 0) probe_config->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG; return (0); } static int ahc_aic7892_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { probe_config->channel = 'A'; probe_config->chip = AHC_AIC7892; probe_config->features = AHC_AIC7892_FE; probe_config->flags |= AHC_NEWEEPROM_FMT; probe_config->bugs |= AHC_SCBCHAN_UPLOAD_BUG; return (0); } static int ahc_aic7895_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { uint8_t rev; probe_config->channel = ahc_get_pci_function(pci) == 1 ? 'B' : 'A'; /* * The 'C' revision of the aic7895 has a few additional features. */ rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1); if (rev >= 4) { probe_config->chip = AHC_AIC7895C; probe_config->features = AHC_AIC7895C_FE; } else { u_int command; probe_config->chip = AHC_AIC7895; probe_config->features = AHC_AIC7895_FE; /* * The BIOS disables the use of MWI transactions * since it does not have the MWI bug work around * we have. Disabling MWI reduces performance, so * turn it on again. */ command = ahc_pci_read_config(pci, PCIR_COMMAND, /*bytes*/1); command |= PCIM_CMD_MWRICEN; ahc_pci_write_config(pci, PCIR_COMMAND, command, /*bytes*/1); probe_config->bugs |= AHC_PCI_MWI_BUG; } /* * XXX Does CACHETHEN really not work??? What about PCI retry? * on C level chips. Need to test, but for now, play it safe. */ probe_config->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG | AHC_CACHETHEN_BUG; #if 0 uint32_t devconfig; /* * Cachesize must also be zero due to stray DAC * problem when sitting behind some bridges. */ ahc_pci_write_config(pci, CSIZE_LATTIME, 0, /*bytes*/1); devconfig = ahc_pci_read_config(pci, DEVCONFIG, /*bytes*/1); devconfig |= MRDCEN; ahc_pci_write_config(pci, DEVCONFIG, devconfig, /*bytes*/1); #endif probe_config->flags |= AHC_NEWEEPROM_FMT; return (0); } static int ahc_aic7896_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { probe_config->channel = ahc_get_pci_function(pci) == 1 ? 'B' : 'A'; probe_config->chip = AHC_AIC7896; probe_config->features = AHC_AIC7896_FE; probe_config->flags |= AHC_NEWEEPROM_FMT; probe_config->bugs |= AHC_CACHETHEN_DIS_BUG; return (0); } static int ahc_aic7899_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { probe_config->channel = ahc_get_pci_function(pci) == 1 ? 'B' : 'A'; probe_config->chip = AHC_AIC7899; probe_config->features = AHC_AIC7899_FE; probe_config->flags |= AHC_NEWEEPROM_FMT; probe_config->bugs |= AHC_SCBCHAN_UPLOAD_BUG; return (0); } static int ahc_raid_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { printf("RAID functionality unsupported\n"); return (ENXIO); } static int ahc_aha394XX_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { switch (ahc_get_pci_slot(pci)) { case AHC_394X_SLOT_CHANNEL_A: probe_config->channel = 'A'; break; case AHC_394X_SLOT_CHANNEL_B: probe_config->channel = 'B'; break; default: printf("adapter at unexpected slot %d\n" "unable to map to a channel\n", ahc_get_pci_slot(pci)); probe_config->channel = 'A'; } return (0); } static int ahc_aha398XX_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { switch (ahc_get_pci_slot(pci)) { case AHC_398X_SLOT_CHANNEL_A: probe_config->channel = 'A'; break; case AHC_398X_SLOT_CHANNEL_B: probe_config->channel = 'B'; break; case AHC_398X_SLOT_CHANNEL_C: probe_config->channel = 'C'; break; default: printf("adapter at unexpected slot %d\n" "unable to map to a channel\n", ahc_get_pci_slot(pci)); probe_config->channel = 'A'; break; } probe_config->flags |= AHC_LARGE_SEEPROM; return (0); } static int ahc_aha494XX_setup(ahc_dev_softc_t pci, struct ahc_probe_config *probe_config) { switch (ahc_get_pci_slot(pci)) { case AHC_494X_SLOT_CHANNEL_A: probe_config->channel = 'A'; break; case AHC_494X_SLOT_CHANNEL_B: probe_config->channel = 'B'; break; case AHC_494X_SLOT_CHANNEL_C: probe_config->channel = 'C'; break; case AHC_494X_SLOT_CHANNEL_D: probe_config->channel = 'D'; break; default: printf("adapter at unexpected slot %d\n" "unable to map to a channel\n", ahc_get_pci_slot(pci)); probe_config->channel = 'A'; } probe_config->flags |= AHC_LARGE_SEEPROM; return (0); }