diff options
Diffstat (limited to 'sys/dev/aic7xxx/aic7xxx_pci.c')
| -rw-r--r-- | sys/dev/aic7xxx/aic7xxx_pci.c | 152 |
1 files changed, 115 insertions, 37 deletions
diff --git a/sys/dev/aic7xxx/aic7xxx_pci.c b/sys/dev/aic7xxx/aic7xxx_pci.c index a4c0f46..42dcdcc 100644 --- a/sys/dev/aic7xxx/aic7xxx_pci.c +++ b/sys/dev/aic7xxx/aic7xxx_pci.c @@ -3,7 +3,8 @@ * 3940, 2940, aic7895, aic7890, aic7880, * aic7870, aic7860 and aic7850 SCSI controllers * - * Copyright (c) 1995-2000 Justin T. Gibbs + * 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 @@ -11,33 +12,47 @@ * 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. + * 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 Public License ("GPL"). + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. * - * 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 + * 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 DAMAGE. + * 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/src/aic7xxx/aic7xxx_pci.c#28 $ + * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#37 $ * * $FreeBSD$ */ -#include <dev/aic7xxx/aic7xxx_freebsd.h> +#ifdef __linux__ +#include "aic7xxx_osm.h" +#include "aic7xxx_inline.h" +#include "aic7xxx_93cx6.h" +#else +#include <dev/aic7xxx/aic7xxx_osm.h> #include <dev/aic7xxx/aic7xxx_inline.h> #include <dev/aic7xxx/aic7xxx_93cx6.h> +#endif #define AHC_PCI_IOADDR PCIR_MAPS /* I/O Address */ #define AHC_PCI_MEMADDR (PCIR_MAPS + 4) /* Mem I/O Address */ @@ -137,7 +152,7 @@ ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor) #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 /* Low Cost 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) @@ -198,7 +213,7 @@ ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor) : ((id) & 0x1000) >> 12) /* * Informational only. Should use chip register to be - * ceratian, but may be use in identification strings. + * certain, but may be use in identification strings. */ #define SUBID_9005_CARD_SCSIWIDTH_MASK 0x2000 #define SUBID_9005_CARD_PCIWIDTH_MASK 0x4000 @@ -645,6 +660,8 @@ const u_int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table); #define CACHESIZE 0x0000003ful /* only 5 bits */ #define LATTIME 0x0000ff00ul +static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device, + uint16_t subvendor, uint16_t subdevice); 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); @@ -668,12 +685,43 @@ static void aic787X_cable_detect(struct ahc_softc *ahc, int *internal50_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); +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); +} + struct ahc_pci_identity * ahc_find_pci_device(ahc_dev_softc_t pci) { @@ -702,9 +750,7 @@ ahc_find_pci_device(ahc_dev_softc_t pci) * ID as valid. */ if (ahc_get_pci_function(pci) > 0 - && subvendor == 0x9005 - && subdevice != device - && SUBID_9005_TYPE_KNOWN(subdevice) != 0 + && ahc_9005_subdevinfo_valid(vendor, device, subvendor, subdevice) && SUBID_9005_MFUNCENB(subdevice) == 0) return (NULL); @@ -739,11 +785,19 @@ ahc_pci_config(struct ahc_softc *ahc, struct ahc_pci_identity *entry) ahc->chip |= AHC_PCI; ahc->description = entry->name; + ahc_power_state_change(ahc, AHC_POWER_STATE_D0); + error = ahc_pci_map_registers(ahc); if (error != 0) return (error); - ahc_power_state_change(ahc, AHC_POWER_STATE_D0); + /* + * 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); /* * If we need to support high memory, enable dual @@ -956,6 +1010,14 @@ ahc_ext_scbram_present(struct ahc_softc *ahc) 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 @@ -1158,7 +1220,7 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1) sd.sd_DO = SEEDO; sd.sd_DI = SEEDI; - have_seeprom = acquire_seeprom(ahc, &sd); + have_seeprom = ahc_acquire_seeprom(ahc, &sd); if (have_seeprom) { if (bootverbose) @@ -1169,11 +1231,12 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1) start_addr = 32 * (ahc->channel - 'A'); - have_seeprom = read_seeprom(&sd, (uint16_t *)&sc, - start_addr, sizeof(sc)/2); + have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)&sc, + start_addr, + sizeof(sc)/2); if (have_seeprom) - have_seeprom = verify_cksum(&sc); + have_seeprom = ahc_verify_cksum(&sc); if (have_seeprom != 0 || sd.sd_chip == C56_66) { if (bootverbose) { @@ -1186,7 +1249,7 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1) } sd.sd_chip = C56_66; } - release_seeprom(&sd); + ahc_release_seeprom(&sd); } if (!have_seeprom) { @@ -1214,8 +1277,14 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1) val = ahc_inb(ahc, SRAM_BASE + j) | ahc_inb(ahc, SRAM_BASE + j + 1) << 8; } - have_seeprom = verify_cksum(&sc); + have_seeprom = ahc_verify_cksum(&sc); } + /* + * 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) { @@ -1364,9 +1433,9 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1) } if (have_autoterm) { - acquire_seeprom(ahc, &sd); + ahc_acquire_seeprom(ahc, &sd); configure_termination(ahc, &sd, adapter_control, sxfrctl1); - release_seeprom(&sd); + ahc_release_seeprom(&sd); } } @@ -1491,6 +1560,15 @@ configure_termination(struct ahc_softc *ahc, "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 @@ -1663,8 +1741,8 @@ aic785X_cable_detect(struct ahc_softc *ahc, int *internal50_present, *eeprom_present = (ahc_inb(ahc, SPIOCAP) & EEPROM) ? 1 : 0; } -static int -acquire_seeprom(struct ahc_softc *ahc, struct seeprom_descriptor *sd) +int +ahc_acquire_seeprom(struct ahc_softc *ahc, struct seeprom_descriptor *sd) { int wait; @@ -1691,8 +1769,8 @@ acquire_seeprom(struct ahc_softc *ahc, struct seeprom_descriptor *sd) return(1); } -static void -release_seeprom(struct seeprom_descriptor *sd) +void +ahc_release_seeprom(struct seeprom_descriptor *sd) { /* Release access to the memory port and the serial EEPROM. */ SEEPROM_OUTB(sd, 0); |
