NetBSD/sys/arch/pmax/dev/dc_ds.c

108 lines
2.5 KiB
C

/* $NetBSD: dc_ds.c,v 1.8 1998/04/19 10:44:41 jonathan Exp $ */
/*
* Copyright 1996 The Board of Trustees of The Leland Stanford
* Junior University. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. Stanford University
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*
* this driver contributed by Jonathan Stone
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/types.h>
#include <sys/device.h>
#include <sys/tty.h>
#include <machine/autoconf.h>
#include <machine/intr.h>
#include <machine/dc7085cons.h> /* XXX */
#include <pmax/ibus/ibusvar.h>
#include <pmax/dev/dcvar.h>
#include <pmax/dev/dc_ds_cons.h>
#include <pmax/pmax/kn01.h>
/*
* Autoconfig definition of driver front-end
*/
int dc_ds_match __P((struct device * parent, struct cfdata *match, void *aux));
void dc_ds_attach __P((struct device *parent, struct device *self, void *aux));
struct cfattach dc_ds_ca = {
sizeof(struct dc_softc), dc_ds_match, dc_ds_attach
};
/*
* Initialize a line for (polled) console I/O
*/
int
dc_ds_consinit(dev)
dev_t dev;
{
#if defined(DEBUG) && 1 /* XXX untested */
printf("dc_ds(%d,%d): serial console at 0x%x\n",
minor(dev) >> 2, minor(dev) & 03,
MIPS_PHYS_TO_KSEG1(KN01_SYS_DZ));
#endif
/* let any pending PROM output from boot drain */
DELAY(100000);
dc_consinit(dev, (void *)MIPS_PHYS_TO_KSEG1(KN01_SYS_DZ));
return (1);
}
/*
* Match driver on decstation (2100,3100,5100) based on name
*/
int
dc_ds_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct ibus_attach_args *iba = aux;
if (strcmp(iba->ia_name, "dc") != 0 &&
strcmp(iba->ia_name, "mdc") != 0 &&
strcmp(iba->ia_name, "dc7085") != 0)
return (0);
if (badaddr((caddr_t)iba->ia_addr, 2))
return (0);
return (1);
}
void
dc_ds_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
register struct ibus_attach_args *iba = aux;
caddr_t dcaddr;
struct dc_softc *sc = (void*) self;
dcaddr = (caddr_t)iba->ia_addr;
(void) dcattach(sc, (void*)MIPS_PHYS_TO_KSEG1(dcaddr),
/* dtr/dsr mask: comm port only */
1 << DCCOMM_PORT,
/* rts/cts mask: none */
0x0,
0, DCCOMM_PORT);
ibus_intr_establish((void*)iba->ia_cookie, IPL_TTY, dcintr, sc);
printf("\n");
}