105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/* $NetBSD: dc_ds.c,v 1.7 1998/01/12 20:12:31 thorpej Exp $ */
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/*
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* Copyright 1996 The Board of Trustees of The Leland Stanford
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* Junior University. All Rights Reserved.
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*
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* Permission to use, copy, modify, and distribute this
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* software and its documentation for any purpose and without
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* fee is hereby granted, provided that the above copyright
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* notice appear in all copies. Stanford University
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* makes no representations about the suitability of this
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* software for any purpose. It is provided "as is" without
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* express or implied warranty.
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*
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* this driver contributed by Jonathan Stone
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <sys/tty.h>
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#include <machine/autoconf.h>
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#include <machine/dc7085cons.h> /* XXX */
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#include <pmax/dev/dcvar.h>
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#include <pmax/dev/dc_ds_cons.h>
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#include <pmax/pmax/kn01.h>
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/*
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* Autoconfig definition of driver front-end
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*/
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int dc_ds_match __P((struct device * parent, struct cfdata *match, void *aux));
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void dc_ds_attach __P((struct device *parent, struct device *self, void *aux));
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struct cfattach dc_ds_ca = {
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sizeof(struct dc_softc), dc_ds_match, dc_ds_attach
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};
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/*
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* Initialize a line for (polled) console I/O
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*/
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int
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dc_ds_consinit(dev)
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dev_t dev;
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{
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#if defined(DEBUG) && 1 /* XXX untested */
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printf("dc_ds(%d,%d): serial console at 0x%x\n",
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minor(dev) >> 2, minor(dev) & 03,
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MIPS_PHYS_TO_KSEG1(KN01_SYS_DZ));
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#endif
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/* let any pending PROM output from boot drain */
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DELAY(100000);
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dc_consinit(dev, (void *)MIPS_PHYS_TO_KSEG1(KN01_SYS_DZ));
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return (1);
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}
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/*
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* Match driver on decstation (2100,3100,5100) based on name
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*/
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int
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dc_ds_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct confargs *ca = aux;
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if (strcmp(ca->ca_name, "dc") != 0 &&
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strcmp(ca->ca_name, "mdc") != 0 &&
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strcmp(ca->ca_name, "dc7085") != 0)
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return (0);
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if (badaddr((caddr_t)ca->ca_addr, 2))
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return (0);
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return (1);
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}
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void
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dc_ds_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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register struct confargs *ca = aux;
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caddr_t dcaddr;
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struct dc_softc *sc = (void*) self;
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dcaddr = (caddr_t)ca->ca_addr;
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(void) dcattach(sc, (void*)MIPS_PHYS_TO_KSEG1(dcaddr),
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/* dtr/dsr mask: comm port only */
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1 << DCCOMM_PORT,
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/* rts/cts mask: none */
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0x0,
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0, DCCOMM_PORT);
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/* tie pseudo-slot to device */
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BUS_INTR_ESTABLISH(ca, dcintr, self);
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printf("\n");
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}
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