108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
/* $NetBSD: dc_ds.c,v 1.10 1999/11/15 09:54:42 nisimura 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;
|
|
{
|
|
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(parent, (void*)iba->ia_cookie, IPL_TTY, dcintr, sc);
|
|
printf("\n");
|
|
}
|