130 lines
3.2 KiB
C
130 lines
3.2 KiB
C
/* $NetBSD: if_en.c,v 1.29 2011/07/18 00:58:52 mrg Exp $ */
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/*
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* Copyright (c) 1996 Charles D. Cranor and Washington University.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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*
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* i f _ e n _ s b u s . c
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*
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* author: Chuck Cranor <chuck@ccrc.wustl.edu>
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* started: spring, 1996.
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*
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* SBUS glue for the eni155s card.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_en.c,v 1.29 2011/07/18 00:58:52 mrg Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <net/if.h>
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#include <sys/bus.h>
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#include <sys/intr.h>
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#include <sys/cpu.h>
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#include <dev/sbus/sbusvar.h>
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#include <dev/ic/midwayreg.h>
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#include <dev/ic/midwayvar.h>
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/*
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* prototypes
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*/
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static int en_sbus_match(device_t, cfdata_t, void *);
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static void en_sbus_attach(device_t, device_t, void *);
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/*
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* SBus autoconfig attachments
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*/
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CFATTACH_DECL_NEW(en_sbus, sizeof(struct en_softc),
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en_sbus_match, en_sbus_attach, NULL, NULL);
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/***********************************************************************/
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/*
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* autoconfig stuff
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*/
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static int
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en_sbus_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct sbus_attach_args *sa = aux;
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if (strcmp("ENI-155s", sa->sa_name) == 0) {
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if (CPU_ISSUN4M) {
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#ifdef DEBUG
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printf("%s: sun4m DMA not supported yet\n",
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sa->sa_name);
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#endif
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return (0);
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}
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return (1);
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} else {
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return (0);
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}
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}
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static void
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en_sbus_attach(device_t parent, device_t self, void *aux)
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{
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struct sbus_attach_args *sa = aux;
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struct en_softc *sc = device_private(self);
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sc->sc_dev = self;
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printf("\n");
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if (sbus_bus_map(sa->sa_bustag,
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sa->sa_slot,
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sa->sa_offset,
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4*1024*1024,
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0, &sc->en_base) != 0) {
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aprint_error_dev(self, "cannot map registers\n");
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return;
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}
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/* Establish interrupt handler */
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if (sa->sa_nintr != 0)
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(void)bus_intr_establish(sa->sa_bustag, sa->sa_pri,
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IPL_NET, en_intr, sc);
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sc->ipl = sa->sa_pri; /* appropriate? */
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/*
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* done SBUS specific stuff
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*/
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en_attach(sc);
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}
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