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/* $NetBSD: dec_axppci_33.c,v 1.38 1998/07/07 08:49:12 ross Exp $ */
/*
* Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*
* Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/reboot.h>
#include <sys/systm.h>
#include <sys/termios.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <machine/clock.h>
#include <machine/cpuconf.h>
#include <machine/md_var.h>
#include <machine/rpb.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <alpha/pci/lcavar.h>
void dec_axppci_33_init(void);
static void dec_axppci_33_cons_init(void);
static int dec_axppci_33_intr_route (device_t, device_t, int);
const struct alpha_variation_table dec_axppci_33_variations[] = {
{ 0, "Alpha PC AXPpci33 (\"NoName\")" },
{ 0, NULL },
};
#define NSIO_PORT 0x26e /* Hardware enabled option: 0x398 */
#define NSIO_BASE 0
#define NSIO_INDEX NSIO_BASE
#define NSIO_DATA 1
#define NSIO_SIZE 2
#define NSIO_CFG0 0
#define NSIO_CFG1 1
#define NSIO_CFG2 2
#define NSIO_IDE_ENABLE 0x40
void
dec_axppci_33_init()
{
int cfg0val;
u_int64_t variation;
platform.family = "DEC AXPpci";
if ((platform.model = alpha_dsr_sysname()) == NULL) {
variation = hwrpb->rpb_variation & SV_ST_MASK;
if ((platform.model = alpha_variation_name(variation,
dec_axppci_33_variations)) == NULL)
platform.model = alpha_unknown_sysname();
}
platform.iobus = "lca";
platform.cons_init = dec_axppci_33_cons_init;
platform.pci_intr_route = dec_axppci_33_intr_route;
platform.pci_intr_map = NULL;
lca_init();
outb(NSIO_PORT + NSIO_INDEX, NSIO_CFG0);
alpha_mb();
cfg0val = inb(NSIO_PORT + NSIO_DATA);
cfg0val |= NSIO_IDE_ENABLE;
outb(NSIO_PORT + NSIO_INDEX, NSIO_CFG0);
alpha_mb();
outb(NSIO_PORT + NSIO_DATA, cfg0val);
alpha_mb();
outb(NSIO_PORT + NSIO_DATA, cfg0val);
}
static void
dec_axppci_33_cons_init()
{
struct ctb *ctb;
lca_init();
ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off);
switch (ctb->ctb_term_type) {
case 2:
boothowto |= RB_SERIAL;
break;
case 3:
boothowto &= ~RB_SERIAL;
break;
default:
printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type);
printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot);
panic("consinit: unknown console type");
}
}
#define SIO_PCIREG_PIRQ_RTCTRL 0x60 /* PIRQ0 Route Control */
static int
dec_axppci_33_intr_route(device_t pcib, device_t dev, int pin)
{
int pirq;
u_int32_t pirqreg;
u_int8_t pirqline;
#ifndef DIAGNOSTIC
pirq = 0; /* XXX gcc -Wuninitialized */
#endif
/*
* Slot->interrupt translation. Taken from NetBSD.
*/
if (pin == 0) {
/* No IRQ used. */
return -1;
}
if (pin > 4) {
printf("dec_axppci_33_intr_route: bad interrupt pin %d\n", pin);
return -1;
}
switch (pci_get_slot(dev)) {
case 6: /* NCR SCSI */
pirq = 3;
break;
case 11: /* slot 1 */
switch (pin) {
case 1:
case 4:
pirq = 0;
break;
case 2:
pirq = 2;
break;
case 3:
pirq = 1;
break;
#ifdef DIAGNOSTIC
default: /* XXX gcc -Wuninitialized */
panic("dec_axppci_33_intr_route: bogus PCI pin %d\n",
pin);
#endif
};
break;
case 12: /* slot 2 */
switch (pin) {
case 1:
case 4:
pirq = 1;
break;
case 2:
pirq = 0;
break;
case 3:
pirq = 2;
break;
#ifdef DIAGNOSTIC
default: /* XXX gcc -Wuninitialized */
panic("dec_axppci_33_intr_route: bogus PCI pin %d\n",
pin);
#endif
};
break;
case 8: /* slot 3 */
switch (pin) {
case 1:
case 4:
pirq = 2;
break;
case 2:
pirq = 1;
break;
case 3:
pirq = 0;
break;
#ifdef DIAGNOSTIC
default: /* XXX gcc -Wuninitialized */
panic("dec_axppci_33_intr_route: bogus PCI pin %d\n",
pin);
#endif
};
break;
default:
printf("dec_axppci_33_intr_route: weird device number %d\n",
pci_get_slot(dev));
return -1;
}
pirqreg = lca_pcib_read_config(0, 0, 7, 0,
SIO_PCIREG_PIRQ_RTCTRL, 4);
pirqline = (pirqreg >> (pirq * 8)) & 0xff;
if ((pirqline & 0x80) != 0)
panic("bad pirqline %d",pirqline);
pirqline &= 0xf;
return(pirqline);
}
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