NetBSD/sys/dev/pci/ahc_pci.c

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/* $NetBSD: ahc_pci.c,v 1.24 2000/05/10 17:07:52 thorpej Exp $ */
1996-05-20 04:56:39 +04:00
/*
* Product specific probe and attach routines for:
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* 3940, 2940, aic7895, aic7890, aic7880,
* aic7870, aic7860 and aic7850 SCSI controllers
*
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* Copyright (c) 1994, 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
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* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
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* Alternatively, this software may be distributed under the terms of the
* 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.
*
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* $FreeBSD: src/sys/dev/aic7xxx/ahc_pci.c,v 1.28 2000/02/09 21:00:22 gibbs Exp $
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/queue.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/intr.h>
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#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
/* XXXX some i386 on-board chips act weird when memory-mapped */
#ifndef __i386__
#define AHC_ALLOW_MEMIO
#endif
#define AHC_PCI_IOADDR PCI_MAPREG_START /* I/O Address */
#define AHC_PCI_MEMADDR (PCI_MAPREG_START + 4) /* Mem I/O Address */
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include <dev/ic/aic7xxxvar.h>
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#include <dev/ic/smc93cx6var.h>
#include <dev/microcode/aic7xxx/aic7xxx_reg.h>
#ifdef DEBUG
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#define bootverbose 1
#else
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#define bootverbose 1
#endif
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struct ahc_pci_busdata {
pci_chipset_tag_t pc;
pcitag_t tag;
u_int dev;
u_int func;
};
static __inline u_int64_t
ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
{
u_int64_t id;
id = subvendor
| (subdevice << 16)
| ((u_int64_t)vendor << 32)
| ((u_int64_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_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_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_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 0x1578900400000000ull
typedef int (ahc_device_setup_t)(struct pci_attach_args *, char *,
ahc_chip *, ahc_feature *, ahc_flag *);
static ahc_device_setup_t ahc_aic7850_setup;
static ahc_device_setup_t ahc_aic7855_setup;
static ahc_device_setup_t ahc_aic7859_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_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_aha398XX_setup;
struct ahc_pci_identity {
u_int64_t full_id;
u_int64_t id_mask;
char *name;
ahc_device_setup_t *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
},
/* aic7859 based controllers */
{
ID_AHA_2930CU,
ID_ALL_MASK,
"Adaptec 2930CU SCSI adapter",
ahc_aic7859_setup
},
/* aic7860 based controllers */
{
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
},
/* 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
},
/* 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 SCSI adapter",
ahc_aic7859_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
}
};
static const int ahc_num_pci_devs =
sizeof(ahc_pci_ident_table) / sizeof(*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 DEVCONFIG 0x40
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#define SCBSIZE32 0x00010000 /* aic789X only */
#define MPORTMODE 0x00000400 /* aic7870 only */
#define RAMPSM 0x00000200 /* aic7870 only */
#define VOLSENSE 0x00000100
#define SCBRAMSEL 0x00000080
#define MRDCEN 0x00000040
#define EXTSCBTIME 0x00000020 /* aic7870 only */
#define EXTSCBPEN 0x00000010 /* aic7870 only */
#define BERREN 0x00000008
#define DACEN 0x00000004
#define STPWLEVEL 0x00000002
#define DIFACTNEGEN 0x00000001 /* aic7870 only */
#define CSIZE_LATTIME 0x0c
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#define CACHESIZE 0x0000003f /* only 5 bits */
#define LATTIME 0x0000ff00
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static struct ahc_pci_identity *ahc_find_pci_device(pcireg_t, pcireg_t);
static int ahc_ext_scbram_present(struct ahc_softc *ahc);
static void ahc_ext_scbram_config(struct ahc_softc *ahc, int enable,
int pcheck, int fast);
static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
int ahc_pci_probe __P((struct device *, struct cfdata *, void *));
void ahc_pci_attach __P((struct device *, struct device *, void *));
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/* Exported for use in the ahc_intr routine */
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int ahc_pci_intr(struct ahc_softc *ahc);
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struct cfattach ahc_pci_ca = {
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sizeof(struct ahc_softc), ahc_pci_probe, ahc_pci_attach
};
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static struct ahc_pci_identity *
ahc_find_pci_device(id, subid)
pcireg_t id, subid;
{
u_int64_t full_id;
struct ahc_pci_identity *entry;
u_int i;
full_id = ahc_compose_id(PCI_PRODUCT(id), PCI_VENDOR(id),
PCI_PRODUCT(subid), PCI_VENDOR(subid));
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_probe(parent, match, aux)
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struct device *parent;
struct cfdata *match;
void *aux;
{
struct pci_attach_args *pa = aux;
struct ahc_pci_identity *entry;
pcireg_t subid;
subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
entry = ahc_find_pci_device(pa->pa_id, subid);
return entry != NULL ? 1 : 0;
}
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void
ahc_pci_attach(parent, self, aux)
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struct device *parent, *self;
void *aux;
{
struct pci_attach_args *pa = aux;
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struct ahc_pci_identity *entry;
struct ahc_softc *ahc = (void *)self;
pcireg_t command;
ahc_chip ahc_t = AHC_NONE;
ahc_feature ahc_fe = AHC_FENONE;
ahc_flag ahc_f = AHC_FNONE;
u_int our_id = 0;
u_int sxfrctl1;
u_int scsiseq;
int error;
char channel;
pcireg_t subid;
int ioh_valid, memh_valid;
bus_space_tag_t st, iot;
bus_space_handle_t sh, ioh;
#ifdef AHC_ALLOW_MEMIO
bus_space_tag_t memt;
bus_space_handle_t memh;
pcireg_t memtype;
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#endif
pci_intr_handle_t ih;
const char *intrstr;
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struct ahc_pci_busdata *bd;
command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
entry = ahc_find_pci_device(pa->pa_id, subid);
if (entry == NULL)
return;
error = entry->setup(pa, &channel, &ahc_t, &ahc_fe, &ahc_f);
if (error != 0)
return;
ioh_valid = memh_valid = 0;
#ifdef AHC_ALLOW_MEMIO
memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AHC_PCI_MEMADDR);
switch (memtype) {
case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
memh_valid = (pci_mapreg_map(pa, AHC_PCI_MEMADDR,
memtype, 0, &memt, &memh, NULL, NULL) == 0);
break;
default:
memh_valid = 0;
}
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#endif
ioh_valid = (pci_mapreg_map(pa, AHC_PCI_IOADDR,
PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL) == 0);
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if (ioh_valid) {
st = iot;
sh = ioh;
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#ifdef AHC_ALLOW_MEMIO
} else if (memh_valid) {
st = memt;
sh = memh;
#endif
} else {
printf(": unable to map registers\n");
return;
}
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printf("\n");
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/* Ensure busmastering is enabled */
command |= PCI_COMMAND_MASTER_ENABLE;;
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
/* On all PCI adapters, we allow SCB paging */
ahc_f |= AHC_PAGESCBS;
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if (ahc_alloc(ahc, sh, st, pa->pa_dmat,
ahc_t|AHC_PCI, ahc_fe, ahc_f) < 0)
return;
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bd = malloc(sizeof (struct ahc_pci_busdata), M_DEVBUF, M_NOWAIT);
if (bd == NULL) {
printf(": unable to allocate bus-specific data\n");
return;
}
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bd->pc = pa->pa_pc;
bd->tag = pa->pa_tag;
bd->func = pa->pa_function;
bd->dev = pa->pa_device;
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ahc->bus_data = bd;
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ahc->bus_intr = ahc_pci_intr;
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ahc->channel = channel;
/* Remeber how the card was setup in case there is no SEEPROM */
ahc_outb(ahc, HCNTRL, ahc->pause);
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);
if (ahc_reset(ahc) != 0) {
/* Failed */
ahc_free(ahc);
return;
}
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if ((ahc->features & AHC_DT) != 0) {
u_int optionmode;
u_int sfunct;
/* Perform ALT-Mode Setup */
sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
optionmode = ahc_inb(ahc, OPTIONMODE);
printf("OptionMode = %x\n", optionmode);
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);
}
if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
pa->pa_intrline, &ih)) {
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printf("%s: couldn't map interrupt\n", ahc->sc_dev.dv_xname);
ahc_free(ahc);
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
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ahc->ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ahc_intr, ahc);
if (ahc->ih == NULL) {
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printf("%s: couldn't establish interrupt",
ahc->sc_dev.dv_xname);
if (intrstr != NULL)
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printf(" at %s", intrstr);
printf("\n");
ahc_free(ahc);
return;
}
if (intrstr != NULL)
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printf("%s: interrupting at %s\n", ahc->sc_dev.dv_xname,
intrstr);
/*
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* Do aic7880/aic7870/aic7860/aic7850 specific initialization
*/
{
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u_int8_t sblkctl;
u_int dscommand0;
dscommand0 = ahc_inb(ahc, DSCOMMAND0);
dscommand0 |= MPARCKEN;
if ((ahc->features & AHC_ULTRA2) != 0) {
/*
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* DPARCKEN doesn't work correctly on
* some MBs so don't use it.
*/
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dscommand0 &= ~(USCBSIZE32|DPARCKEN);
dscommand0 |= CACHETHEN;
}
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ahc_outb(ahc, DSCOMMAND0, dscommand0);
/* See if we have an SEEPROM and perform auto-term */
check_extport(ahc, &sxfrctl1);
/*
* Take the LED out of diagnostic mode
*/
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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
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* BIOS, so we default to 100% on Ultra or slower controllers
* and 75% on ULTRA2 controllers.
*/
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if ((ahc->features & AHC_ULTRA2) != 0) {
ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_75|WR_DFTHRSH_75);
} else {
ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
}
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if (ahc->flags & AHC_USEDEFAULTS) {
/*
* PCI Adapter default setup
* Should only be used if the adapter does not have
* an SEEPROM.
*/
/* See if someone else set us up already */
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if (scsiseq != 0) {
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printf("%s: Using left over BIOS settings\n",
ahc_name(ahc));
ahc->flags &= ~AHC_USEDEFAULTS;
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} else {
/*
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* Assume only one connector and always turn
* on termination.
*/
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our_id = 0x07;
sxfrctl1 = STPWEN;
}
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ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
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ahc->our_id = our_id;
}
}
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/*
* 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);
printf("%s: %s ", ahc_name(ahc),
ahc_chip_names[ahc->chip & AHC_CHIPID_MASK]);
/*
* Record our termination setting for the
* generic initialization routine.
*/
if ((sxfrctl1 & STPWEN) != 0)
ahc->flags |= AHC_TERM_ENB_A;
if (ahc_init(ahc)) {
ahc_free(ahc);
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return;
}
ahc_attach(ahc);
}
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/*
* 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;
pcireg_t devconfig;
struct ahc_pci_busdata *bd = ahc->bus_data;
devconfig = pci_conf_read(bd->pc, bd->tag, DEVCONFIG);
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_ext_scbram_config(struct ahc_softc *ahc, int enable, int pcheck, int fast)
{
pcireg_t devconfig;
struct ahc_pci_busdata *bd = ahc->bus_data;
if (ahc->features & AHC_MULTI_FUNC) {
/*
* Set the SCB Base addr (highest address bit)
* depending on which channel we are.
*/
ahc_outb(ahc, SCBBADDR, (u_int8_t)bd->func);
}
devconfig = pci_conf_read(bd->pc, bd->tag, DEVCONFIG);
if ((ahc->features & AHC_ULTRA2) != 0) {
u_int dscommand0;
dscommand0 = ahc_inb(ahc, DSCOMMAND0);
if (enable)
dscommand0 &= ~INTSCBRAMSEL;
else
dscommand0 |= INTSCBRAMSEL;
ahc_outb(ahc, DSCOMMAND0, dscommand0);
} else {
if (fast)
devconfig &= ~EXTSCBTIME;
else
devconfig |= EXTSCBTIME;
if (enable)
devconfig &= ~SCBRAMSEL;
else
devconfig |= SCBRAMSEL;
}
if (pcheck)
devconfig |= EXTSCBPEN;
else
devconfig &= ~EXTSCBPEN;
pci_conf_write(bd->pc, bd->tag, DEVCONFIG, devconfig);
}
/*
* 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;
if (ahc_ext_scbram_present(ahc) == 0)
return;
/*
* Probe for the best parameters to use.
*/
enable = FALSE;
pcheck = FALSE;
fast = FALSE;
ahc_ext_scbram_config(ahc, /*enable*/TRUE, pcheck, fast);
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_ext_scbram_config(ahc, enable, /*pcheck*/TRUE, fast);
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_ext_scbram_config(ahc, enable, pcheck, /*fast*/TRUE);
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;
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\n",
ahc_name(ahc), fast ? "fast" : "slow",
pcheck ? ", parity checking enabled" : "");
}
ahc_ext_scbram_config(ahc, enable, pcheck, fast);
}
#define DPE PCI_STATUS_PARITY_DETECT
#define SSE PCI_STATUS_SPECIAL_ERROR
#define RMA PCI_STATUS_MASTER_ABORT
#define RTA PCI_STATUS_MASTER_TARGET_ABORT
#define STA PCI_STATUS_TARGET_TARGET_ABORT
#define DPR PCI_STATUS_PARITY_ERROR
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int
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ahc_pci_intr(struct ahc_softc *ahc)
{
pcireg_t status1;
struct ahc_pci_busdata *bd = ahc->bus_data;
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if ((ahc_inb(ahc, ERROR) & PCIERRSTAT) == 0)
return 0;
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status1 = pci_conf_read(bd->pc, bd->tag, PCI_COMMAND_STATUS_REG);
if (status1 & DPE) {
printf("%s: Data Parity Error Detected during address "
"or write data phase\n", ahc_name(ahc));
}
if (status1 & SSE) {
printf("%s: Signal System Error Detected\n", ahc_name(ahc));
}
if (status1 & RMA) {
printf("%s: Received 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));
}
pci_conf_write(bd->pc, bd->tag, PCI_COMMAND_STATUS_REG, status1);
if (status1 & (DPR|RMA|RTA)) {
ahc_outb(ahc, CLRINT, CLRPARERR);
}
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return 1;
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}
static int
ahc_aic7850_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
*channel = 'A';
*chip = AHC_AIC7850;
*features = AHC_AIC7850_FE;
return (0);
}
static int
ahc_aic7855_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
*channel = 'A';
*chip = AHC_AIC7855;
*features = AHC_AIC7855_FE;
return (0);
}
static int
ahc_aic7859_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
*channel = 'A';
*chip = AHC_AIC7859;
*features = AHC_AIC7859_FE;
return (0);
}
static int
ahc_aic7860_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
*channel = 'A';
*chip = AHC_AIC7860;
*features = AHC_AIC7860_FE;
return (0);
}
static int
ahc_aic7870_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
*channel = 'A';
*chip = AHC_AIC7870;
*features = AHC_AIC7870_FE;
return (0);
}
static int
ahc_aha394X_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
int error;
error = ahc_aic7870_setup(pa, channel, chip, features, flags);
if (error == 0)
error = ahc_aha394XX_setup(pa, channel, chip, features, flags);
return (error);
}
static int
ahc_aha398X_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
int error;
error = ahc_aic7870_setup(pa, channel, chip, features, flags);
if (error == 0)
error = ahc_aha398XX_setup(pa, channel, chip, features, flags);
return (error);
}
static int
ahc_aic7880_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
*channel = 'A';
*chip = AHC_AIC7880;
*features = AHC_AIC7880_FE;
return (0);
}
static int
ahc_2940Pro_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
int error;
*flags |= AHC_INT50_SPEEDFLEX;
error = ahc_aic7880_setup(pa, channel, chip, features, flags);
return (0);
}
static int
ahc_aha394XU_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
int error;
error = ahc_aic7880_setup(pa, channel, chip, features, flags);
if (error == 0)
error = ahc_aha394XX_setup(pa, channel, chip, features, flags);
return (error);
}
static int
ahc_aha398XU_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
int error;
error = ahc_aic7880_setup(pa, channel, chip, features, flags);
if (error == 0)
error = ahc_aha398XX_setup(pa, channel, chip, features, flags);
return (error);
}
static int
ahc_aic7890_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
*channel = 'A';
*chip = AHC_AIC7890;
*features = AHC_AIC7890_FE;
*flags |= AHC_NEWEEPROM_FMT;
return (0);
}
static int
ahc_aic7892_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
*channel = 'A';
*chip = AHC_AIC7892;
*features = AHC_AIC7892_FE;
*flags |= AHC_NEWEEPROM_FMT;
return (0);
}
static int
ahc_aic7895_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
pcireg_t devconfig;
*channel = pa->pa_function == 1 ? 'B' : 'A';
*chip = AHC_AIC7895;
/* The 'C' revision of the aic7895 has a few additional features */
if (PCI_REVISION(pa->pa_class) >= 4)
*features = AHC_AIC7895C_FE;
else
*features = AHC_AIC7895_FE;
*flags |= AHC_NEWEEPROM_FMT;
devconfig = pci_conf_read(pa->pa_pc, pa->pa_tag, DEVCONFIG);
devconfig &= ~SCBSIZE32;
pci_conf_write(pa->pa_pc, pa->pa_tag, DEVCONFIG, devconfig);
return (0);
}
static int
ahc_aic7896_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
*channel = pa->pa_function == 1 ? 'B' : 'A';
*chip = AHC_AIC7896;
*features = AHC_AIC7896_FE;
*flags |= AHC_NEWEEPROM_FMT;
return (0);
}
static int
ahc_aic7899_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
*channel = pa->pa_function == 1 ? 'B' : 'A';
*chip = AHC_AIC7899;
*features = AHC_AIC7899_FE;
*flags |= AHC_NEWEEPROM_FMT;
return (0);
}
static int
ahc_raid_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
printf("RAID functionality unsupported\n");
return (ENXIO);
}
static int
ahc_aha394XX_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
switch (pa->pa_device) {
case AHC_394X_SLOT_CHANNEL_A:
*channel = 'A';
break;
case AHC_394X_SLOT_CHANNEL_B:
*channel = 'B';
break;
default:
printf("adapter at unexpected slot %d\n"
"unable to map to a channel\n",
pa->pa_device);
*channel = 'A';
}
return (0);
}
static int
ahc_aha398XX_setup(struct pci_attach_args *pa, char *channel,
ahc_chip *chip, ahc_feature *features, ahc_flag *flags)
{
switch (pa->pa_device) {
case AHC_398X_SLOT_CHANNEL_A:
*channel = 'A';
break;
case AHC_398X_SLOT_CHANNEL_B:
*channel = 'B';
break;
case AHC_398X_SLOT_CHANNEL_C:
*channel = 'C';
break;
default:
printf("adapter at unexpected slot %d\n"
"unable to map to a channel\n",
pa->pa_device);
*channel = 'A';
}
*flags |= AHC_LARGE_SEEPROM;
return (0);
}