96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/*
|
|
* Product specific probe and attach routines for:
|
|
* 294X and aic7870 motherboard SCSI controllers
|
|
*
|
|
* Copyright (c) 1995 Justin T. Gibbs
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice immediately at the beginning of the file, without modification,
|
|
* this list of conditions, and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Absolutely no warranty of function or purpose is made by the author
|
|
* Justin T. Gibbs.
|
|
* 4. Modifications may be freely made to this file if the above conditions
|
|
* are met.
|
|
*
|
|
* $Id: aic7870.c,v 1.2 1995/01/16 16:31:57 gibbs Exp $
|
|
*/
|
|
|
|
#include <pci.h>
|
|
#if NPCI > 0
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <scsi/scsi_all.h>
|
|
#include <scsi/scsiconf.h>
|
|
#include <i386/pci/pcireg.h>
|
|
#include <i386/scsi/aic7xxx.h>
|
|
|
|
#define PCI_BASEADR0 PCI_MAP_REG_START
|
|
#define PCI_DEVICE_ID_ADAPTEC_2940 0x71789004ul
|
|
#define PCI_DEVICE_ID_ADAPTEC_AIC7870 0x70789004ul
|
|
|
|
static char* aic7870_probe __P((pcici_t tag, pcidi_t type));
|
|
void aic7870_attach __P((pcici_t config_id, int unit));
|
|
|
|
static u_long aic7870_count;
|
|
|
|
struct pci_driver ahc_device = {
|
|
aic7870_probe,
|
|
aic7870_attach,
|
|
&aic7870_count
|
|
};
|
|
|
|
static char*
|
|
aic7870_probe (pcici_t tag, pcidi_t type)
|
|
{
|
|
switch(type) {
|
|
case PCI_DEVICE_ID_ADAPTEC_2940:
|
|
return ("Adaptec 294X SCSI host adapter");
|
|
break;
|
|
case PCI_DEVICE_ID_ADAPTEC_AIC7870:
|
|
return ("Adaptec aic7870 SCSI host adapter");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return (0);
|
|
|
|
}
|
|
|
|
void
|
|
aic7870_attach(config_id, unit)
|
|
pcici_t config_id;
|
|
int unit;
|
|
{
|
|
u_long io_port;
|
|
if(!(io_port = pci_conf_read(config_id, PCI_BASEADR0)))
|
|
return;
|
|
io_port -= 0xc01ul; /*
|
|
printf("io_port = 0x%lx\n", io_port);
|
|
* Make the offsets the same as for EISA
|
|
* The first bit of PCI_BASEADR0 is always
|
|
* set hence we subtract 0xc01 instead of the
|
|
* 0xc00 that you would expect.
|
|
*/
|
|
if(ahcprobe(unit, io_port, AHC_294)){
|
|
ahc_unit++;
|
|
if(ahc_attach(unit))
|
|
/*
|
|
* To be compatible with the isa style of
|
|
* interrupt handler, we pass the unit number
|
|
* not a pointer to our per device structure.
|
|
*/
|
|
pci_map_int (config_id, ahcintr, (void *)unit,
|
|
&bio_imask);
|
|
}
|
|
return;
|
|
}
|
|
|
|
#endif /* NPCI > 0 */
|