| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds | 7122 | 78.82% | 4 | 5.80% |
| Justin T. Gibbs | 1274 | 14.10% | 10 | 14.49% |
| Linus Torvalds (pre-git) | 349 | 3.86% | 34 | 49.28% |
| James Bottomley | 172 | 1.90% | 3 | 4.35% |
| Hannes Reinecke | 39 | 0.43% | 3 | 4.35% |
| Pekka J Enberg | 37 | 0.41% | 1 | 1.45% |
| Denys Vlasenko | 13 | 0.14% | 2 | 2.90% |
| Andrew Morton | 9 | 0.10% | 2 | 2.90% |
| Colin Ian King | 4 | 0.04% | 1 | 1.45% |
| Christoph Hellwig | 3 | 0.03% | 1 | 1.45% |
| Lucas De Marchi | 3 | 0.03% | 1 | 1.45% |
| Dave Jones | 3 | 0.03% | 1 | 1.45% |
| Adrian Bunk | 2 | 0.02% | 1 | 1.45% |
| Tom Rix | 2 | 0.02% | 1 | 1.45% |
| Harvey Harrison | 1 | 0.01% | 1 | 1.45% |
| Vaibhav Gupta | 1 | 0.01% | 1 | 1.45% |
| Tobias Klauser | 1 | 0.01% | 1 | 1.45% |
| Luben Tuikov | 1 | 0.01% | 1 | 1.45% |
| Total | 9036 | 69 |
/* * Product specific probe and attach routines for: * 3940, 2940, aic7895, aic7890, aic7880, * aic7870, aic7860 and aic7850 SCSI controllers * * Copyright (c) 1994-2001 Justin T. Gibbs. * Copyright (c) 2000-2001 Adaptec Inc. * 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. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may 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 General Public License ("GPL") version 2 as published by the Free * Software Foundation. * * NO WARRANTY * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. * * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#79 $ */ #include "aic7xxx_osm.h" #include "aic7xxx_inline.h" #include "aic7xxx_93cx6.h" #include "aic7xxx_pci.h" 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 AHC_PCI_IOADDR PCIR_MAPS /* I/O Address */ #define AHC_PCI_MEMADDR (PCIR_MAPS + 4) /* Mem I/O Address */ #define DEVID_9005_TYPE(id) ((id) & 0xF) #define DEVID_9005_TYPE_HBA 0x0 /* Standard Card */ #define DEVID_9005_TYPE_AAA 0x3 /* RAID Card */ #define DEVID_9005_TYPE_SISL 0x5 /* Container ROMB */ #define DEVID_9005_TYPE_MB 0xF /* On Motherboard */ #define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4) #define DEVID_9005_MAXRATE_U160 0x0 #define DEVID_9005_MAXRATE_ULTRA2 0x1 #define DEVID_9005_MAXRATE_ULTRA 0x2 #define DEVID_9005_MAXRATE_FAST 0x3 #define DEVID_9005_MFUNC(id) (((id) & 0x40) >> 6) #define DEVID_9005_CLASS(id) (((id) & 0xFF00) >> 8) #define DEVID_9005_CLASS_SPI 0x0 /* Parallel SCSI */ #define SUBID_9005_TYPE(id) ((id) & 0xF) #define SUBID_9005_TYPE_MB 0xF /* On Motherboard */ #define SUBID_9005_TYPE_CARD 0x0 /* Standard Card */ #define SUBID_9005_TYPE_LCCARD 0x1 /* Low Cost Card */ #define SUBID_9005_TYPE_RAID 0x3 /* Combined with Raid */ #define SUBID_9005_TYPE_KNOWN(id) \ ((((id) & 0xF) == SUBID_9005_TYPE_MB) \ || (((id) & 0xF) == SUBID_9005_TYPE_CARD) \ || (((id) & 0xF) == SUBID_9005_TYPE_LCCARD) \ || (((id) & 0xF) == SUBID_9005_TYPE_RAID)) #define SUBID_9005_MAXRATE(id) (((id) & 0x30) >> 4) #define SUBID_9005_MAXRATE_ULTRA2 0x0 #define SUBID_9005_MAXRATE_ULTRA 0x1 #define SUBID_9005_MAXRATE_U160 0x2 #define SUBID_9005_MAXRATE_RESERVED 0x3 #define SUBID_9005_SEEPTYPE(id) \ ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \ ? ((id) & 0xC0) >> 6 \ : ((id) & 0x300) >> 8) #define SUBID_9005_SEEPTYPE_NONE 0x0 #define SUBID_9005_SEEPTYPE_1K 0x1 #define SUBID_9005_SEEPTYPE_2K_4K 0x2 #define SUBID_9005_SEEPTYPE_RESERVED 0x3 #define SUBID_9005_AUTOTERM(id) \ ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \ ? (((id) & 0x400) >> 10) == 0 \ : (((id) & 0x40) >> 6) == 0) #define SUBID_9005_NUMCHAN(id) \ ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \ ? ((id) & 0x300) >> 8 \ : ((id) & 0xC00) >> 10) #define SUBID_9005_LEGACYCONN(id) \ ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \ ? 0 \ : ((id) & 0x80) >> 7) #define SUBID_9005_MFUNCENB(id) \ ((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB) \ ? ((id) & 0x800) >> 11 \ : ((id) & 0x1000) >> 12) /* * Informational only. Should use chip register to be * certain, but may be use in identification strings. */ #define SUBID_9005_CARD_SCSIWIDTH_MASK 0x2000 #define SUBID_9005_CARD_PCIWIDTH_MASK 0x4000 #define SUBID_9005_CARD_SEDIFF_MASK 0x8000 static ahc_device_setup_t ahc_aic785X_setup; static ahc_device_setup_t ahc_aic7860_setup; static ahc_device_setup_t ahc_apa1480_setup; static ahc_device_setup_t ahc_aic7870_setup; static ahc_device_setup_t ahc_aic7870h_setup; static ahc_device_setup_t ahc_aha394X_setup; static ahc_device_setup_t ahc_aha394Xh_setup; static ahc_device_setup_t ahc_aha494X_setup; static ahc_device_setup_t ahc_aha494Xh_setup; static ahc_device_setup_t ahc_aha398X_setup; static ahc_device_setup_t ahc_aic7880_setup; static ahc_device_setup_t ahc_aic7880h_setup; static ahc_device_setup_t ahc_aha2940Pro_setup; static ahc_device_setup_t ahc_aha394XU_setup; static ahc_device_setup_t ahc_aha394XUh_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_aic7895h_setup; static ahc_device_setup_t ahc_aic7896_setup; static ahc_device_setup_t ahc_aic7899_setup; static ahc_device_setup_t ahc_aha29160C_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; static const struct ahc_pci_identity ahc_pci_ident_table[] = { /* aic7850 based controllers */ { ID_AHA_2902_04_10_15_20C_30C, ID_ALL_MASK, "Adaptec 2902/04/10/15/20C/30C SCSI adapter", ahc_aic785X_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_apa1480_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 Ultra 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_aic7870h_setup }, { ID_AHA_3944, ID_ALL_MASK, "Adaptec 3944 SCSI adapter", ahc_aha394Xh_setup }, { ID_AHA_4944, ID_ALL_MASK, "Adaptec 4944 SCSI adapter", ahc_aha494Xh_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_aic7880h_setup }, { ID_AHA_3944U & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 3944 Ultra SCSI adapter", ahc_aha394XUh_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_aic7880h_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_aha2940Pro_setup }, { ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec 2940/CN Ultra SCSI adapter", ahc_aic7880_setup }, /* Ignore all SISL (AAC on MB) based controllers. */ { ID_9005_SISL_ID, ID_9005_SISL_MASK, NULL, NULL }, /* 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_AIC7890_ARO, ID_ALL_MASK, "Adaptec aic7890/91 Ultra2 SCSI adapter (ARO)", 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_29160C, ID_ALL_MASK, "Adaptec 29160C Ultra160 SCSI adapter", ahc_aha29160C_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 }, { ID_AIC7892_ARO, ID_ALL_MASK, "Adaptec aic7892 Ultra160 SCSI adapter (ARO)", ahc_aic7892_setup }, { ID_AHA_2915_30LP, ID_ALL_MASK, "Adaptec 2915/30LP 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_aic7895h_setup }, { ID_AIC7895_ARO, ID_AIC7895_ARO_MASK, "Adaptec aic7895 Ultra SCSI adapter (ARO)", 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 }, { ID_AIC7896_ARO, ID_ALL_MASK, "Adaptec aic7896/97 Ultra2 SCSI adapter (ARO)", 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 }, { ID_AIC7899_ARO, ID_ALL_MASK, "Adaptec aic7899 Ultra160 SCSI adapter (ARO)", 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_aic785X_setup }, { ID_AIC7855 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7855 SCSI adapter", ahc_aic785X_setup }, { ID_AIC7859 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7859 SCSI adapter", ahc_aic7860_setup }, { ID_AIC7860 & ID_DEV_VENDOR_MASK, ID_DEV_VENDOR_MASK, "Adaptec aic7860 Ultra 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_9005_GENERIC_MASK, ID_9005_GENERIC_MASK, "Adaptec aic7890/91 Ultra2 SCSI adapter", ahc_aic7890_setup }, { ID_AIC7892 & ID_9005_GENERIC_MASK, ID_9005_GENERIC_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_AIC7896 & ID_9005_GENERIC_MASK, ID_9005_GENERIC_MASK, "Adaptec aic7896/97 Ultra2 SCSI adapter", ahc_aic7896_setup }, { ID_AIC7899 & ID_9005_GENERIC_MASK, ID_9005_GENERIC_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 } }; static const u_int ahc_num_pci_devs = ARRAY_SIZE(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 PCIERRGENDIS 0x80000000ul #define SCBSIZE32 0x00010000ul /* aic789X only */ #define REXTVALID 0x00001000ul /* ultra cards only */ #define MPORTMODE 0x00000400ul /* aic7870+ only */ #define RAMPSM 0x00000200ul /* aic7870+ only */ #define VOLSENSE 0x00000100ul #define PCI64BIT 0x00000080ul /* 64Bit PCI bus (Ultra2 Only)*/ #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 /* PCI STATUS definitions */ #define DPE 0x80 #define SSE 0x40 #define RMA 0x20 #define RTA 0x10 #define STA 0x08 #define DPR 0x01 static int ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor, uint16_t subdevice, uint16_t subvendor); 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 ahc_parse_pci_eeprom(struct ahc_softc *ahc, struct seeprom_config *sc); 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 void write_brdctl(struct ahc_softc *ahc, uint8_t value); static uint8_t read_brdctl(struct ahc_softc *ahc); static void ahc_pci_intr(struct ahc_softc *ahc); static int ahc_pci_chip_init(struct ahc_softc *ahc); static int ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor, uint16_t subdevice, uint16_t subvendor) { int result; /* Default to invalid. */ result = 0; if (vendor == 0x9005 && subvendor == 0x9005 && subdevice != device && SUBID_9005_TYPE_KNOWN(subdevice) != 0) { switch (SUBID_9005_TYPE(subdevice)) { case SUBID_9005_TYPE_MB: break; case SUBID_9005_TYPE_CARD: case SUBID_9005_TYPE_LCCARD: /* * Currently only trust Adaptec cards to * get the sub device info correct. */ if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA) result = 1; break; case SUBID_9005_TYPE_RAID: break; default: break; } } return (result); } const 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; const 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, PCI_SUBSYSTEM_VENDOR_ID, /*bytes*/2); subdevice = ahc_pci_read_config(pci, PCI_SUBSYSTEM_ID, /*bytes*/2); full_id = ahc_compose_id(device, vendor, subdevice, subvendor); /* * If the second function is not hooked up, ignore it. * Unfortunately, not all MB vendors implement the * subdevice ID as per the Adaptec spec, so do our best * to sanity check it prior to accepting the subdevice * ID as valid. */ if (ahc_get_pci_function(pci) > 0 && ahc_9005_subdevinfo_valid(device, vendor, subdevice, subvendor) && SUBID_9005_MFUNCENB(subdevice) == 0) return (NULL); for (i = 0; i < ahc_num_pci_devs; i++) { entry = &ahc_pci_ident_table[i]; if (entry->full_id == (full_id & entry->id_mask)) { /* Honor exclusion entries. */ if (entry->name == NULL) return (NULL); return (entry); } } return (NULL); } int ahc_pci_config(struct ahc_softc *ahc, const struct ahc_pci_identity *entry) { u_int command; u_int our_id; u_int sxfrctl1; u_int scsiseq; u_int dscommand0; uint32_t devconfig; int error; uint8_t sblkctl; our_id = 0; error = entry->setup(ahc); if (error != 0) return (error); ahc->chip |= AHC_PCI; ahc->description = entry->name; pci_set_power_state(ahc->dev_softc, AHC_POWER_STATE_D0); error = ahc_pci_map_registers(ahc); if (error != 0) return (error); /* * Before we continue probing the card, ensure that * its interrupts are *disabled*. We don't want * a misstep to hang the machine in an interrupt * storm. */ ahc_intr_enable(ahc, FALSE); devconfig = ahc_pci_read_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4); /* * If we need to support high memory, enable dual * address cycles. This bit must be set to enable * high address bit generation even if we are on a * 64bit bus (PCI64BIT set in devconfig). */ if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) { if (bootverbose) printk("%s: Enabling 39Bit Addressing\n", ahc_name(ahc)); devconfig |= DACEN; } /* Ensure that pci error generation, a test feature, is disabled. */ devconfig |= PCIERRGENDIS; ahc_pci_write_config(ahc->dev_softc, DEVCONFIG, devconfig, /*bytes*/4); /* Ensure busmastering is enabled */ command = ahc_pci_read_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/2); command |= PCIM_CMD_BUSMASTEREN; ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, command, /*bytes*/2); /* On all PCI adapters, we allow SCB paging */ ahc->flags |= AHC_PAGESCBS; error = ahc_softc_init(ahc); if (error != 0) return (error); /* * Disable PCI parity error checking. Users typically * do this to work around broken PCI chipsets that get * the parity timing wrong and thus generate lots of spurious * errors. The chip only allows us to disable *all* parity * error reporting when doing this, so CIO bus, scb ram, and * scratch ram parity errors will be ignored too. */ if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0) ahc->seqctl |= FAILDIS; ahc->bus_intr = ahc_pci_intr; ahc->bus_chip_init = ahc_pci_chip_init; /* Remember how the card was setup in case there is no SEEPROM */ if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) { ahc_pause(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); } else { sxfrctl1 = STPWEN; our_id = 7; scsiseq = 0; } error = ahc_reset(ahc, /*reinit*/FALSE); 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|AUTOACKEN|BUSFREEREV|EXPPHASEDIS); ahc_outb(ahc, SFUNCT, sfunct); /* Normal mode setup */ ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN |TARGCRCENDEN); } dscommand0 = ahc_inb(ahc, DSCOMMAND0); dscommand0 |= MPARCKEN|CACHETHEN; if ((ahc->features & AHC_ULTRA2) != 0) { /* * DPARCKEN doesn't work correctly on * some MBs so don't use it. */ dscommand0 &= ~DPARCKEN; } /* * 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; if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0 && ahc->pci_cachesize == 4) { ahc_pci_write_config(ahc->dev_softc, CSIZE_LATTIME, 0, /*bytes*/1); ahc->pci_cachesize = 0; } /* * We cannot perform ULTRA speeds without the presence * of the external precision resistor. */ if ((ahc->features & AHC_ULTRA) != 0) { uint32_t devconfig; devconfig = ahc_pci_read_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4); if ((devconfig & REXTVALID) == 0) ahc->features &= ~AHC_ULTRA; } /* 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))); if ((ahc->features & AHC_ULTRA2) != 0) { ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX); } 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 ((ahc->flags & AHC_NO_BIOS_INIT) == 0 && scsiseq != 0) { printk("%s: Using left over BIOS settings\n", ahc_name(ahc)); ahc->flags &= ~AHC_USEDEFAULTS; ahc->flags |= AHC_BIOS_ENABLED; } 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; /* * Save chip register configuration data for chip resets * that occur during runtime and resume events. */ ahc->bus_softc.pci_softc.devconfig = ahc_pci_read_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4); ahc->bus_softc.pci_softc.command = ahc_pci_read_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/1); ahc->bus_softc.pci_softc.csize_lattime = ahc_pci_read_config(ahc->dev_softc, CSIZE_LATTIME, /*bytes*/1); ahc->bus_softc.pci_softc.dscommand0 = ahc_inb(ahc, DSCOMMAND0); ahc->bus_softc.pci_softc.dspcistatus = ahc_inb(ahc, DSPCISTATUS); if ((ahc->features & AHC_DT) != 0) { u_int sfunct; sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE; ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE); ahc->bus_softc.pci_softc.optionmode = ahc_inb(ahc, OPTIONMODE); ahc->bus_softc.pci_softc.targcrccnt = ahc_inw(ahc, TARGCRCCNT); ahc_outb(ahc, SFUNCT, sfunct); ahc->bus_softc.pci_softc.crccontrol1 = ahc_inb(ahc, CRCCONTROL1); } if ((ahc->features & AHC_MULTI_FUNC) != 0) ahc->bus_softc.pci_softc.scbbaddr = ahc_inb(ahc, SCBBADDR); if ((ahc->features & AHC_ULTRA2) != 0) ahc->bus_softc.pci_softc.dff_thrsh = ahc_inb(ahc, DFF_THRSH); /* Core initialization */ error = ahc_init(ahc); if (error != 0) return (error); ahc->init_level++; /* * Allow interrupts now that we are completely setup. */ return ahc_pci_map_int(ahc); } /* * Test for the presence of external sram in an * "unshared" configuration. */ static int ahc_ext_scbram_present(struct ahc_softc *ahc) { u_int chip; int ramps; int single_user; uint32_t devconfig; chip = ahc->chip & AHC_CHIPID_MASK; 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 (chip == AHC_AIC7895 || chip == AHC_AIC7895C) /* * External SCBRAM arbitration is flakey * on these chips. Unfortunately this means * we don't use the extra SCB ram space on the * 3940AUW. */ ramps = 0; else if (chip >= 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)); } ahc->flags &= ~AHC_LSCBS_ENABLED; if (large) ahc->flags |= AHC_LSCBS_ENABLED; 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) { printk("%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); } /* * Perform some simple tests that should catch situations where * our registers are invalidly mapped. */ int ahc_pci_test_register_access(struct ahc_softc *ahc) { int error; u_int status1; uint32_t cmd; uint8_t hcntrl; error = EIO; /* * Enable PCI error interrupt status, but suppress NMIs * generated by SERR raised due to target aborts. */ cmd = ahc_pci_read_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/2); ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd & ~PCIM_CMD_SERRESPEN, /*bytes*/2); /* * First a simple test to see if any * registers can be read. Reading * HCNTRL has no side effects and has * at least one bit that is guaranteed to * be zero so it is a good register to * use for this test. */ hcntrl = ahc_inb(ahc, HCNTRL); if (hcntrl == 0xFF) goto fail; if ((hcntrl & CHIPRST) != 0) { /* * The chip has not been initialized since * PCI/EISA/VLB bus reset. Don't trust * "left over BIOS data". */ ahc->flags |= AHC_NO_BIOS_INIT; } /* * Next create a situation where write combining * or read prefetching could be initiated by the * CPU or host bridge. Our device does not support * either, so look for data corruption and/or flagged * PCI errors. First pause without causing another * chip reset. */ hcntrl &= ~CHIPRST; ahc_outb(ahc, HCNTRL, hcntrl|PAUSE); while (ahc_is_paused(ahc) == 0) ; /* Clear any PCI errors that occurred before our driver attached. */ status1 = ahc_pci_read_config(ahc->dev_softc, PCIR_STATUS + 1, /*bytes*/1); ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1, status1, /*bytes*/1); ahc_outb(ahc, CLRINT, CLRPARERR); ahc_outb(ahc, SEQCTL, PERRORDIS); ahc_outb(ahc, SCBPTR, 0); ahc_outl(ahc, SCB_BASE, 0x5aa555aa); if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa) goto fail; status1 = ahc_pci_read_config(ahc->dev_softc, PCIR_STATUS + 1, /*bytes*/1); if ((status1 & STA) != 0) goto fail; error = 0; fail: /* Silently clear any latched errors. */ status1 = ahc_pci_read_config(ahc->dev_softc, PCIR_STATUS + 1, /*bytes*/1); ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1, status1, /*bytes*/1); ahc_outb(ahc, CLRINT, CLRPARERR); ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS); ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2); return (error); } /* * 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; 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; sc = ahc->seep_config; /* * 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 = ahc_acquire_seeprom(ahc, &sd); if (have_seeprom) { if (bootverbose) printk("%s: Reading SEEPROM...", ahc_name(ahc)); for (;;) { u_int start_addr; start_addr = 32 * (ahc->channel - 'A'); have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)sc, start_addr, sizeof(*sc)/2); if (have_seeprom) have_seeprom = ahc_verify_cksum(sc); if (have_seeprom != 0 || sd.sd_chip == C56_66) { if (bootverbose) { if (have_seeprom == 0) printk ("checksum error\n"); else printk ("done.\n"); } break; } sd.sd_chip = C56_66; } ahc_release_seeprom(&sd); /* Remember the SEEPROM type for later */ if (sd.sd_chip == C56_66) ahc->flags |= AHC_LARGE_SEEPROM; } 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. * We manually compose the data as 16bit values * to avoid endian issues. */ 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') { uint16_t *sc_data; int i; sc_data = (uint16_t *)sc; for (i = 0; i < 32; i++, sc_data++) { int j; j = i * 2; *sc_data = ahc_inb(ahc, SRAM_BASE + j) | ahc_inb(ahc, SRAM_BASE + j + 1) << 8; } have_seeprom = ahc_verify_cksum(sc); if (have_seeprom) ahc->flags |= AHC_SCB_CONFIG_USED; } /* * Clear any SCB parity errors in case this data and * its associated parity was not initialized by the BIOS */ ahc_outb(ahc, CLRINT, CLRPARERR); ahc_outb(ahc, CLRINT, CLRBRKADRINT); } if (!have_seeprom) { if (bootverbose) printk("%s: No SEEPROM available.\n", ahc_name(ahc)); ahc->flags |= AHC_USEDEFAULTS; kfree(ahc->seep_config); ahc->seep_config = NULL; sc = NULL; } else { ahc_parse_pci_eeprom(ahc, sc); } /* * 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; /* * 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 = FALSE; } if (have_autoterm) { ahc->flags |= AHC_HAS_TERM_LOGIC; ahc_acquire_seeprom(ahc, &sd); configure_termination(ahc, &sd, sc->adapter_control, sxfrctl1); ahc_release_seeprom(&sd); } else if (have_seeprom) { *sxfrctl1 &= ~STPWEN; if ((sc->adapter_control & CFSTERM) != 0) *sxfrctl1 |= STPWEN; if (bootverbose) printk("%s: Low byte termination %sabled\n", ahc_name(ahc), (*sxfrctl1 & STPWEN) ? "en" : "dis"); } } static void ahc_parse_pci_eeprom(struct ahc_softc *ahc, struct seeprom_config *sc) { /* * Put the data we've collected down into SRAM * where ahc_init will find it. */ int i; int max_targ = sc->max_targets & CFMAXTARG; u_int scsi_conf; 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; ahc->flags |= (sc->adapter_control & CFBOOTCHAN) >> CFBOOTCHANSHIFT; if (sc->bios_control & CFEXTEND) ahc->flags |= AHC_EXTENDED_TRANS_A; if (sc->bios_control & CFBIOSEN) ahc->flags |= AHC_BIOS_ENABLED; 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 || sc->signature == CFSIGNATURE2) { 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); } 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; int sum; 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) printk("%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) printk("%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); /* Can never support a wide connector. */ internal68_present = 0; } else { aic787X_cable_detect(ahc, &internal50_present, &internal68_present, &externalcable_present, &eeprom_present); } if ((ahc->features & AHC_WIDE) == 0) internal68_present = 0; if (bootverbose && (ahc->features & AHC_ULTRA2) == 0) { printk("%s: internal 50 cable %s present", ahc_name(ahc), internal50_present ? "is":"not"); if ((ahc->features & AHC_WIDE) != 0) printk(", internal 68 cable %s present", internal68_present ? "is":"not"); printk("\n%s: external cable %s present\n", ahc_name(ahc), externalcable_present ? "is":"not"); } if (bootverbose) printk("%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)) { printk("%s: Illegal cable configuration!!. " "Only two connectors on the " "adapter may be used at a " "time!\n", ahc_name(ahc)); /* * Pretend there are no cables in the hope * that having all of the termination on * gives us a more stable bus. */ internal50_present = 0; internal68_present = 0; externalcable_present = 0; } 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) printk("%s: 68 pin termination " "Enabled\n", ahc_name(ahc)); else printk("%s: %sHigh byte termination " "Enabled\n", ahc_name(ahc), enableSEC_high ? "Secondary " : ""); } } sum = internal50_present + internal68_present + externalcable_present; if (sum < 2 || (enableSEC_low != 0)) { if ((ahc->features & AHC_ULTRA2) != 0) brddat |= BRDDAT5; else *sxfrctl1 |= STPWEN; if (bootverbose) { if ((ahc->flags & AHC_INT50_SPEEDFLEX) != 0) printk("%s: 50 pin termination " "Enabled\n", ahc_name(ahc)); else printk("%s: %sLow byte termination " "Enabled\n", ahc_name(ahc), enableSEC_low ? "Secondary " : ""); } } if (enablePRI_low != 0) { *sxfrctl1 |= STPWEN; if (bootverbose) printk("%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) printk("%s: Primary High Byte " "termination Enabled\n", ahc_name(ahc)); } write_brdctl(ahc, brddat); } else { if ((adapter_control & CFSTERM) != 0) { *sxfrctl1 |= STPWEN; if (bootverbose) printk("%s: %sLow byte termination Enabled\n", ahc_name(ahc), (ahc->features & AHC_ULTRA2) ? "Primary " : ""); } if ((adapter_control & CFWSTERM) != 0 && (ahc->features & AHC_WIDE) != 0) { brddat |= BRDDAT6; if (bootverbose) printk("%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); if ((ahc->features & AHC_WIDE) != 0) 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) ? 0 : 1; *internal68_present = (brdctl & BRDDAT7) ? 0 : 1; /* * 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) ? 0 : 1; *eeprom_present = (brdctl & BRDDAT7) ? 1 : 0; } static void aic785X_cable_detect(struct ahc_softc *ahc, int *internal50_present, int *externalcable_present, int *eeprom_present) { uint8_t brdctl; uint8_t spiocap; spiocap = ahc_inb(ahc, SPIOCAP); spiocap &= ~SOFTCMDEN; spiocap |= EXT_BRDCTL; ahc_outb(ahc, SPIOCAP, spiocap); ahc_outb(ahc, BRDCTL, BRDRW|BRDCS); ahc_flush_device_writes(ahc); ahc_delay(500); ahc_outb(ahc, BRDCTL, 0); ahc_flush_device_writes(ahc); ahc_delay(500); brdctl = ahc_inb(ahc, BRDCTL); *internal50_present = (brdctl & BRDDAT5) ? 0 : 1; *externalcable_present = (brdctl & BRDDAT6) ? 0 : 1; *eeprom_present = (ahc_inb(ahc, SPIOCAP) & EEPROM) ? 1 : 0; } int ahc_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); } void ahc_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_flush_device_writes(ahc); brdctl |= value; ahc_outb(ahc, BRDCTL, brdctl); ahc_flush_device_writes(ahc); if ((ahc->features & AHC_ULTRA2) != 0) brdctl |= BRDSTB_ULTRA2; else brdctl &= ~BRDSTB; ahc_outb(ahc, BRDCTL, brdctl); ahc_flush_device_writes(ahc); if ((ahc->features & AHC_ULTRA2) != 0) brdctl = 0; else brdctl &= ~BRDCS; ahc_outb(ahc, BRDCTL, brdctl); } static uint8_t read_brdctl(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_flush_device_writes(ahc); value = ahc_inb(ahc, BRDCTL); ahc_outb(ahc, BRDCTL, 0); return (value); } static 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); printk("%s: PCI error Interrupt at seqaddr = 0x%x\n", ahc_name(ahc), ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8)); if (status1 & DPE) { ahc->pci_target_perr_count++; printk("%s: Data Parity Error Detected during address " "or write data phase\n", ahc_name(ahc)); } if (status1 & SSE) { printk("%s: Signal System Error Detected\n", ahc_name(ahc)); } if (status1 & RMA) { printk("%s: Received a Master Abort\n", ahc_name(ahc)); } if (status1 & RTA) { printk("%s: Received a Target Abort\n", ahc_name(ahc)); } if (status1 & STA) { printk("%s: Signaled a Target Abort\n", ahc_name(ahc)); } if (status1 & DPR) { printk("%s: Data Parity Error has been reported via PERR#\n", ahc_name(ahc)); } /* Clear latched errors. */ ahc_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1, status1, /*bytes*/1); if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) { printk("%s: Latched PCIERR interrupt with " "no status bits set\n", ahc_name(ahc)); } else { ahc_outb(ahc, CLRINT, CLRPARERR); } if (ahc->pci_target_perr_count > AHC_PCI_TARGET_PERR_THRESH) { printk( "%s: WARNING WARNING WARNING WARNING\n" "%s: Too many PCI parity errors observed as a target.\n" "%s: Some device on this bus is generating bad parity.\n" "%s: This is an error *observed by*, not *generated by*, this controller.\n" "%s: PCI parity error checking has been disabled.\n" "%s: WARNING WARNING WARNING WARNING\n", ahc_name(ahc), ahc_name(ahc), ahc_name(ahc), ahc_name(ahc), ahc_name(ahc), ahc_name(ahc)); ahc->seqctl |= FAILDIS; ahc_outb(ahc, SEQCTL, ahc->seqctl); } ahc_unpause(ahc); } static int ahc_pci_chip_init(struct ahc_softc *ahc) { ahc_outb(ahc, DSCOMMAND0, ahc->bus_softc.pci_softc.dscommand0); ahc_outb(ahc, DSPCISTATUS, ahc->bus_softc.pci_softc.dspcistatus); if ((ahc->features & AHC_DT) != 0) { u_int sfunct; sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE; ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE); ahc_outb(ahc, OPTIONMODE, ahc->bus_softc.pci_softc.optionmode); ahc_outw(ahc, TARGCRCCNT, ahc->bus_softc.pci_softc.targcrccnt); ahc_outb(ahc, SFUNCT, sfunct); ahc_outb(ahc, CRCCONTROL1, ahc->bus_softc.pci_softc.crccontrol1); } if ((ahc->features & AHC_MULTI_FUNC) != 0) ahc_outb(ahc, SCBBADDR, ahc->bus_softc.pci_softc.scbbaddr); if ((ahc->features & AHC_ULTRA2) != 0) ahc_outb(ahc, DFF_THRSH, ahc->bus_softc.pci_softc.dff_thrsh); return (ahc_chip_init(ahc)); } void __maybe_unused ahc_pci_resume(struct ahc_softc *ahc) { /* * We assume that the OS has restored our register * mappings, etc. Just update the config space registers * that the OS doesn't know about and rely on our chip * reset handler to handle the rest. */ ahc_pci_write_config(ahc->dev_softc, DEVCONFIG, ahc->bus_softc.pci_softc.devconfig, /*bytes*/4); ahc_pci_write_config(ahc->dev_softc, PCIR_COMMAND, ahc->bus_softc.pci_softc.command, /*bytes*/1); ahc_pci_write_config(ahc->dev_softc, CSIZE_LATTIME, ahc->bus_softc.pci_softc.csize_lattime, /*bytes*/1); if ((ahc->flags & AHC_HAS_TERM_LOGIC) != 0) { struct seeprom_descriptor sd; u_int sxfrctl1; sd.sd_ahc = ahc; sd.sd_control_offset = SEECTL; sd.sd_status_offset = SEECTL; sd.sd_dataout_offset = SEECTL; ahc_acquire_seeprom(ahc, &sd); configure_termination(ahc, &sd, ahc->seep_config->adapter_control, &sxfrctl1); ahc_release_seeprom(&sd); } } static int ahc_aic785X_setup(struct ahc_softc *ahc) { ahc_dev_softc_t pci; uint8_t rev; pci = ahc->dev_softc; ahc->channel = 'A'; ahc->chip = AHC_AIC7850; ahc->features = AHC_AIC7850_FE; ahc->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) ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; ahc->instruction_ram_size = 512; return (0); } static int ahc_aic7860_setup(struct ahc_softc *ahc) { ahc_dev_softc_t pci; uint8_t rev; pci = ahc->dev_softc; ahc->channel = 'A'; ahc->chip = AHC_AIC7860; ahc->features = AHC_AIC7860_FE; ahc->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) ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; ahc->instruction_ram_size = 512; return (0); } static int ahc_apa1480_setup(struct ahc_softc *ahc) { int error; error = ahc_aic7860_setup(ahc); if (error != 0) return (error); ahc->features |= AHC_REMOVABLE; return (0); } static int ahc_aic7870_setup(struct ahc_softc *ahc) { ahc->channel = 'A'; ahc->chip = AHC_AIC7870; ahc->features = AHC_AIC7870_FE; ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; ahc->instruction_ram_size = 512; return (0); } static int ahc_aic7870h_setup(struct ahc_softc *ahc) { int error = ahc_aic7870_setup(ahc); ahc->features |= AHC_HVD; return error; } static int ahc_aha394X_setup(struct ahc_softc *ahc) { int error; error = ahc_aic7870_setup(ahc); if (error == 0) error = ahc_aha394XX_setup(ahc); return (error); } static int ahc_aha394Xh_setup(struct ahc_softc *ahc) { int error = ahc_aha394X_setup(ahc); ahc->features |= AHC_HVD; return error; } static int ahc_aha398X_setup(struct ahc_softc *ahc) { int error; error = ahc_aic7870_setup(ahc); if (error == 0) error = ahc_aha398XX_setup(ahc); return (error); } static int ahc_aha494X_setup(struct ahc_softc *ahc) { int error; error = ahc_aic7870_setup(ahc); if (error == 0) error = ahc_aha494XX_setup(ahc); return (error); } static int ahc_aha494Xh_setup(struct ahc_softc *ahc) { int error = ahc_aha494X_setup(ahc); ahc->features |= AHC_HVD; return error; } static int ahc_aic7880_setup(struct ahc_softc *ahc) { ahc_dev_softc_t pci; uint8_t rev; pci = ahc->dev_softc; ahc->channel = 'A'; ahc->chip = AHC_AIC7880; ahc->features = AHC_AIC7880_FE; ahc->bugs |= AHC_TMODE_WIDEODD_BUG; rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1); if (rev >= 1) { ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; } else { ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; } ahc->instruction_ram_size = 512; return (0); } static int ahc_aic7880h_setup(struct ahc_softc *ahc) { int error = ahc_aic7880_setup(ahc); ahc->features |= AHC_HVD; return error; } static int ahc_aha2940Pro_setup(struct ahc_softc *ahc) { ahc->flags |= AHC_INT50_SPEEDFLEX; return (ahc_aic7880_setup(ahc)); } static int ahc_aha394XU_setup(struct ahc_softc *ahc) { int error; error = ahc_aic7880_setup(ahc); if (error == 0) error = ahc_aha394XX_setup(ahc); return (error); } static int ahc_aha394XUh_setup(struct ahc_softc *ahc) { int error = ahc_aha394XU_setup(ahc); ahc->features |= AHC_HVD; return error; } static int ahc_aha398XU_setup(struct ahc_softc *ahc) { int error; error = ahc_aic7880_setup(ahc); if (error == 0) error = ahc_aha398XX_setup(ahc); return (error); } static int ahc_aic7890_setup(struct ahc_softc *ahc) { ahc_dev_softc_t pci; uint8_t rev; pci = ahc->dev_softc; ahc->channel = 'A'; ahc->chip = AHC_AIC7890; ahc->features = AHC_AIC7890_FE; ahc->flags |= AHC_NEWEEPROM_FMT; rev = ahc_pci_read_config(pci, PCIR_REVID, /*bytes*/1); if (rev == 0) ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG; ahc->instruction_ram_size = 768; return (0); } static int ahc_aic7892_setup(struct ahc_softc *ahc) { ahc->channel = 'A'; ahc->chip = AHC_AIC7892; ahc->features = AHC_AIC7892_FE; ahc->flags |= AHC_NEWEEPROM_FMT; ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG; ahc->instruction_ram_size = 1024; return (0); } static int ahc_aic7895_setup(struct ahc_softc *ahc) { ahc_dev_softc_t pci; uint8_t rev; pci = ahc->dev_softc; ahc->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) { ahc->chip = AHC_AIC7895C; ahc->features = AHC_AIC7895C_FE; } else { u_int command; ahc->chip = AHC_AIC7895; ahc->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); ahc->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. */ ahc->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 ahc->flags |= AHC_NEWEEPROM_FMT; ahc->instruction_ram_size = 512; return (0); } static int ahc_aic7895h_setup(struct ahc_softc *ahc) { int error = ahc_aic7895_setup(ahc); ahc->features |= AHC_HVD; return error; } static int ahc_aic7896_setup(struct ahc_softc *ahc) { ahc_dev_softc_t pci; pci = ahc->dev_softc; ahc->channel = ahc_get_pci_function(pci) == 1 ? 'B' : 'A'; ahc->chip = AHC_AIC7896; ahc->features = AHC_AIC7896_FE; ahc->flags |= AHC_NEWEEPROM_FMT; ahc->bugs |= AHC_CACHETHEN_DIS_BUG; ahc->instruction_ram_size = 768; return (0); } static int ahc_aic7899_setup(struct ahc_softc *ahc) { ahc_dev_softc_t pci; pci = ahc->dev_softc; ahc->channel = ahc_get_pci_function(pci) == 1 ? 'B' : 'A'; ahc->chip = AHC_AIC7899; ahc->features = AHC_AIC7899_FE; ahc->flags |= AHC_NEWEEPROM_FMT; ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG; ahc->instruction_ram_size = 1024; return (0); } static int ahc_aha29160C_setup(struct ahc_softc *ahc) { int error; error = ahc_aic7899_setup(ahc); if (error != 0) return (error); ahc->features |= AHC_REMOVABLE; return (0); } static int ahc_raid_setup(struct ahc_softc *ahc) { printk("RAID functionality unsupported\n"); return (ENXIO); } static int ahc_aha394XX_setup(struct ahc_softc *ahc) { ahc_dev_softc_t pci; pci = ahc->dev_softc; switch (ahc_get_pci_slot(pci)) { case AHC_394X_SLOT_CHANNEL_A: ahc->channel = 'A'; break; case AHC_394X_SLOT_CHANNEL_B: ahc->channel = 'B'; break; default: printk("adapter at unexpected slot %d\n" "unable to map to a channel\n", ahc_get_pci_slot(pci)); ahc->channel = 'A'; } return (0); } static int ahc_aha398XX_setup(struct ahc_softc *ahc) { ahc_dev_softc_t pci; pci = ahc->dev_softc; switch (ahc_get_pci_slot(pci)) { case AHC_398X_SLOT_CHANNEL_A: ahc->channel = 'A'; break; case AHC_398X_SLOT_CHANNEL_B: ahc->channel = 'B'; break; case AHC_398X_SLOT_CHANNEL_C: ahc->channel = 'C'; break; default: printk("adapter at unexpected slot %d\n" "unable to map to a channel\n", ahc_get_pci_slot(pci)); ahc->channel = 'A'; break; } ahc->flags |= AHC_LARGE_SEEPROM; return (0); } static int ahc_aha494XX_setup(struct ahc_softc *ahc) { ahc_dev_softc_t pci; pci = ahc->dev_softc; switch (ahc_get_pci_slot(pci)) { case AHC_494X_SLOT_CHANNEL_A: ahc->channel = 'A'; break; case AHC_494X_SLOT_CHANNEL_B: ahc->channel = 'B'; break; case AHC_494X_SLOT_CHANNEL_C: ahc->channel = 'C'; break; case AHC_494X_SLOT_CHANNEL_D: ahc->channel = 'D'; break; default: printk("adapter at unexpected slot %d\n" "unable to map to a channel\n", ahc_get_pci_slot(pci)); ahc->channel = 'A'; } ahc->flags |= AHC_LARGE_SEEPROM; return (0); }
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