711 lines
19 KiB
C
711 lines
19 KiB
C
/* $NetBSD: if_le.c,v 1.55 1998/07/05 00:51:13 jonathan Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 1996
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* The President and Fellows of Harvard College. All rights reserved.
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* Copyright (c) 1995 Charles M. Hannum. All rights reserved.
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell and Rick Macklem.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Aaron Brown and
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* Harvard University.
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)if_le.c 8.2 (Berkeley) 11/16/93
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*/
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#include "opt_inet.h"
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#include "bpfilter.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/syslog.h>
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#include <sys/socket.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_inarp.h>
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#endif
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#include <machine/autoconf.h>
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#include <machine/cpu.h>
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#include <sparc/dev/sbusvar.h>
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#include <sparc/dev/dmareg.h>
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#include <sparc/dev/dmavar.h>
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#include <sparc/dev/lebuffervar.h>
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#include <dev/ic/am7990reg.h>
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#include <dev/ic/am7990var.h>
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#include <sparc/dev/if_lereg.h>
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#include <sparc/dev/if_levar.h>
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int lematch_byname __P((struct device *, struct cfdata *, void *));
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int lematch_obio __P((struct device *, struct cfdata *, void *));
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void leattach_sbus __P((struct device *, struct device *, void *));
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void leattach_ledma __P((struct device *, struct device *, void *));
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void leattach_lebuffer __P((struct device *, struct device *, void *));
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void leattach_obio __P((struct device *, struct device *, void *));
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void leattach __P((struct le_softc *, int));
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#if 0
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#if defined(SUN4M) /* XXX */
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int myleintr __P((void *));
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int ledmaintr __P((struct dma_softc *));
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int
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myleintr(arg)
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void *arg;
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{
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register struct le_softc *lesc = arg;
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static int dodrain=0;
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if (lesc->sc_dma->sc_regs->csr & D_ERR_PEND) {
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dodrain = 1;
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return ledmaintr(lesc->sc_dma);
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}
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if (dodrain) { /* XXX - is this necessary with D_DSBL_WRINVAL on? */
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#define E_DRAIN 0x400 /* XXX: fix dmareg.h */
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int i = 10;
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while (i-- > 0 && (lesc->sc_dma->sc_regs->csr & D_DRAINING))
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delay(1);
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}
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return (am7990_intr(arg));
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}
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#endif
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#endif
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#if defined(SUN4M)
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/*
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* Media types supported by the Sun4m.
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*/
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int lemediasun4m[] = {
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IFM_ETHER|IFM_10_T,
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IFM_ETHER|IFM_10_5,
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IFM_ETHER|IFM_AUTO,
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};
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#define NLEMEDIASUN4M (sizeof(lemediasun4m) / sizeof(lemediasun4m[0]))
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void lesetutp __P((struct am7990_softc *));
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void lesetaui __P((struct am7990_softc *));
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int lemediachange __P((struct am7990_softc *));
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void lemediastatus __P((struct am7990_softc *, struct ifmediareq *));
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#endif /* SUN4M */
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/* Four attachments for this device */
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struct cfattach le_sbus_ca = {
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sizeof(struct le_softc), lematch_byname, leattach_sbus
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};
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struct cfattach le_ledma_ca = {
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sizeof(struct le_softc), lematch_byname, leattach_ledma
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};
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struct cfattach le_lebuffer_ca = {
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sizeof(struct le_softc), lematch_byname, leattach_lebuffer
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};
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struct cfattach le_obio_ca = {
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sizeof(struct le_softc), lematch_obio, leattach_obio
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};
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extern struct cfdriver le_cd;
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hide void lewrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t));
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hide u_int16_t lerdcsr __P((struct am7990_softc *, u_int16_t));
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hide void lehwreset __P((struct am7990_softc *));
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hide void lehwinit __P((struct am7990_softc *));
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hide void lenocarrier __P((struct am7990_softc *));
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hide void
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lewrcsr(sc, port, val)
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struct am7990_softc *sc;
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u_int16_t port, val;
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{
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register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
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#if defined(SUN4M)
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volatile u_int16_t discard;
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#endif
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ler1->ler1_rap = port;
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ler1->ler1_rdp = val;
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#if defined(SUN4M)
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/*
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* We need to flush the Sbus->Mbus write buffers. This can most
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* easily be accomplished by reading back the register that we
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* just wrote (thanks to Chris Torek for this solution).
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*/
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if (CPU_ISSUN4M)
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discard = ler1->ler1_rdp;
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#endif
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}
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hide u_int16_t
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lerdcsr(sc, port)
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struct am7990_softc *sc;
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u_int16_t port;
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{
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register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
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u_int16_t val;
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ler1->ler1_rap = port;
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val = ler1->ler1_rdp;
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return (val);
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}
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#if defined(SUN4M)
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void
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lesetutp(sc)
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struct am7990_softc *sc;
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{
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struct le_softc *lesc = (struct le_softc *)sc;
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lesc->sc_dma->sc_regs->csr |= DE_AUI_TP;
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delay(20000); /* must not touch le for 20ms */
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}
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void
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lesetaui(sc)
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struct am7990_softc *sc;
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{
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struct le_softc *lesc = (struct le_softc *)sc;
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lesc->sc_dma->sc_regs->csr &= ~DE_AUI_TP;
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delay(20000); /* must not touch le for 20ms */
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}
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int
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lemediachange(sc)
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struct am7990_softc *sc;
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{
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struct ifmedia *ifm = &sc->sc_media;
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if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
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return (EINVAL);
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/*
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* Switch to the selected media. If autoselect is
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* set, we don't really have to do anything. We'll
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* switch to the other media when we detect loss of
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* carrier.
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*/
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switch (IFM_SUBTYPE(ifm->ifm_media)) {
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case IFM_10_T:
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lesetutp(sc);
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break;
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case IFM_10_5:
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lesetaui(sc);
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break;
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case IFM_AUTO:
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break;
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default:
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return (EINVAL);
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}
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return (0);
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}
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void
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lemediastatus(sc, ifmr)
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struct am7990_softc *sc;
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struct ifmediareq *ifmr;
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{
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struct le_softc *lesc = (struct le_softc *)sc;
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if (lesc->sc_dma == NULL)
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return;
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/*
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* Notify the world which media we're currently using.
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*/
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if (lesc->sc_dma->sc_regs->csr & DE_AUI_TP)
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ifmr->ifm_active = IFM_ETHER|IFM_10_T;
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else
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ifmr->ifm_active = IFM_ETHER|IFM_10_5;
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}
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#endif /* SUN4M */
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hide void
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lehwreset(sc)
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struct am7990_softc *sc;
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{
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#if defined(SUN4M)
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struct le_softc *lesc = (struct le_softc *)sc;
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/*
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* Reset DMA channel.
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*/
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if (CPU_ISSUN4M && lesc->sc_dma) {
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DMA_RESET(lesc->sc_dma);
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lesc->sc_dma->sc_regs->en_bar = lesc->sc_laddr & 0xff000000;
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DMA_ENINTR(lesc->sc_dma);
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#define D_DSBL_WRINVAL D_DSBL_SCSI_DRN /* XXX: fix dmareg.h */
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/* Disable E-cache invalidates on chip writes */
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lesc->sc_dma->sc_regs->csr |= D_DSBL_WRINVAL;
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}
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#endif
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}
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hide void
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lehwinit(sc)
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struct am7990_softc *sc;
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{
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#if defined(SUN4M)
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struct le_softc *lesc = (struct le_softc *)sc;
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/*
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* Make sure we're using the currently-enabled media type.
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* XXX Actually, this is probably unnecessary, now.
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*/
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if (CPU_ISSUN4M && lesc->sc_dma) {
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switch (IFM_SUBTYPE(sc->sc_media.ifm_cur->ifm_media)) {
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case IFM_10_T:
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lesetutp(sc);
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break;
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case IFM_10_5:
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lesetaui(sc);
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break;
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}
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}
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#endif
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}
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hide void
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lenocarrier(sc)
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struct am7990_softc *sc;
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{
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#if defined(SUN4M)
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struct le_softc *lesc = (struct le_softc *)sc;
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if (CPU_ISSUN4M && lesc->sc_dma) {
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/*
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* Check if the user has requested a certain cable type, and
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* if so, honor that request.
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*/
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printf("%s: lost carrier on ", sc->sc_dev.dv_xname);
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if (lesc->sc_dma->sc_regs->csr & DE_AUI_TP) {
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printf("UTP port");
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switch (IFM_SUBTYPE(sc->sc_media.ifm_media)) {
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case IFM_10_5:
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case IFM_AUTO:
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printf(", switching to AUI port");
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lesetaui(sc);
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}
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} else {
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printf("AUI port");
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switch (IFM_SUBTYPE(sc->sc_media.ifm_media)) {
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case IFM_10_T:
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case IFM_AUTO:
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printf(", switching to UTP port");
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lesetutp(sc);
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}
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}
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printf("\n");
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} else
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#endif
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printf("%s: lost carrier\n", sc->sc_dev.dv_xname);
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}
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int
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lematch_byname(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct sbus_attach_args *sa = aux;
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return (strcmp(cf->cf_driver->cd_name, sa->sa_name) == 0);
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}
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int
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lematch_obio(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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union obio_attach_args *uoba = aux;
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struct obio4_attach_args *oba;
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if (uoba->uoba_isobio4 == 0)
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return (0);
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oba = &uoba->uoba_oba4;
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return (bus_space_probe(oba->oba_bustag, 0, oba->oba_paddr,
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2, /* probe size */
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0, /* offset */
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0, /* flags */
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NULL, NULL));
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}
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#define SAME_LANCE(bp, sa) \
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((bp->val[0] == sa->sa_slot && bp->val[1] == sa->sa_offset) || \
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(bp->val[0] == -1 && bp->val[1] == sc->sc_dev.dv_unit))
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void
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leattach_sbus(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct sbus_attach_args *sa = aux;
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struct le_softc *lesc = (struct le_softc *)self;
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struct am7990_softc *sc = &lesc->sc_am7990;
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struct sbusdev *sd;
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bus_space_handle_t bh;
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lesc->sc_bustag = sa->sa_bustag;
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lesc->sc_dmatag = sa->sa_dmatag;
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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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sizeof(struct lereg1),
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BUS_SPACE_MAP_LINEAR,
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0, &bh) != 0) {
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printf("%s @ sbus: cannot map registers\n", self->dv_xname);
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return;
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}
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lesc->sc_r1 = (struct lereg1 *)bh;
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/*
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* Look for an "unallocated" lebuffer and pair it with
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* this `le' device on the assumption that we're on
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* a pre-historic ROM that doesn't establish le<=>lebuffer
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* parent-child relationships.
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*/
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for (sd = ((struct sbus_softc *)parent)->sc_sbdev; sd != NULL;
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sd = sd->sd_bchain) {
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struct lebuf_softc *lebuf = (struct lebuf_softc *)sd->sd_dev;
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if (strncmp("lebuffer", sd->sd_dev->dv_xname, 8) != 0)
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continue;
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if (lebuf->attached != 0)
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continue;
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sc->sc_mem = lebuf->sc_buffer;
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sc->sc_memsize = lebuf->sc_bufsiz;
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sc->sc_addr = 0; /* Lance view is offset by buffer location */
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lebuf->attached = 1;
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/* That old black magic... */
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sc->sc_conf3 = getpropint(sa->sa_node,
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"busmaster-regval",
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LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON);
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break;
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}
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lesc->sc_sd.sd_reset = (void *)am7990_reset;
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sbus_establish(&lesc->sc_sd, &sc->sc_dev);
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if (sa->sa_bp != NULL && strcmp(sa->sa_bp->name, le_cd.cd_name) == 0 &&
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SAME_LANCE(sa->sa_bp, sa))
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sa->sa_bp->dev = &sc->sc_dev;
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leattach(lesc, sa->sa_pri);
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}
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void
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leattach_ledma(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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#if defined(SUN4M)
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struct sbus_attach_args *sa = aux;
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struct le_softc *lesc = (struct le_softc *)self;
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struct am7990_softc *sc = &lesc->sc_am7990;
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bus_space_handle_t bh;
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bus_dma_segment_t seg;
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int rseg, error;
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/* Establish link to `ledma' device */
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lesc->sc_dma = (struct dma_softc *)parent;
|
|
lesc->sc_dma->sc_le = lesc;
|
|
|
|
lesc->sc_bustag = sa->sa_bustag;
|
|
lesc->sc_dmatag = sa->sa_dmatag;
|
|
|
|
/* Map device registers */
|
|
if (bus_space_map2(sa->sa_bustag,
|
|
sa->sa_slot,
|
|
sa->sa_offset,
|
|
sizeof(struct lereg1),
|
|
BUS_SPACE_MAP_LINEAR,
|
|
0, &bh) != 0) {
|
|
printf("%s @ ledma: cannot map registers\n", self->dv_xname);
|
|
return;
|
|
}
|
|
lesc->sc_r1 = (struct lereg1 *)bh;
|
|
|
|
/* Allocate buffer memory */
|
|
sc->sc_memsize = MEMSIZE;
|
|
error = bus_dmamem_alloc(lesc->sc_dmatag, MEMSIZE, NBPG, 0,
|
|
&seg, 1, &rseg, BUS_DMA_NOWAIT);
|
|
if (error) {
|
|
printf("leattach_ledma: DMA buffer alloc error %d\n", error);
|
|
return;
|
|
}
|
|
error = bus_dmamem_map(lesc->sc_dmatag, &seg, rseg, MEMSIZE,
|
|
(caddr_t *)&sc->sc_mem,
|
|
BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
|
|
if (error) {
|
|
printf("%s @ ledma: DMA buffer map error %d\n",
|
|
self->dv_xname, error);
|
|
return;
|
|
}
|
|
|
|
#if defined (SUN4M)
|
|
if ((seg.ds_addr & 0xffffff) >=
|
|
(seg.ds_addr & 0xffffff) + MEMSIZE)
|
|
panic("leattach_ledma: Lance buffer crosses 16MB boundary");
|
|
#endif
|
|
sc->sc_addr = seg.ds_addr & 0xffffff;
|
|
sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON;
|
|
|
|
lesc->sc_laddr = seg.ds_addr;
|
|
|
|
/* Assume SBus is grandparent */
|
|
lesc->sc_sd.sd_reset = (void *)am7990_reset;
|
|
sbus_establish(&lesc->sc_sd, parent);
|
|
|
|
if (sa->sa_bp != NULL && strcmp(sa->sa_bp->name, le_cd.cd_name) == 0 &&
|
|
SAME_LANCE(sa->sa_bp, sa))
|
|
sa->sa_bp->dev = &sc->sc_dev;
|
|
|
|
sc->sc_mediachange = lemediachange;
|
|
sc->sc_mediastatus = lemediastatus;
|
|
sc->sc_supmedia = lemediasun4m;
|
|
sc->sc_nsupmedia = NLEMEDIASUN4M;
|
|
sc->sc_defaultmedia = IFM_ETHER|IFM_AUTO;
|
|
|
|
leattach(lesc, sa->sa_pri);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
leattach_lebuffer(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct sbus_attach_args *sa = aux;
|
|
struct le_softc *lesc = (struct le_softc *)self;
|
|
struct am7990_softc *sc = &lesc->sc_am7990;
|
|
struct lebuf_softc *lebuf = (struct lebuf_softc *)parent;
|
|
bus_space_handle_t bh;
|
|
|
|
lesc->sc_bustag = sa->sa_bustag;
|
|
lesc->sc_dmatag = sa->sa_dmatag;
|
|
|
|
if (bus_space_map2(sa->sa_bustag,
|
|
sa->sa_slot,
|
|
sa->sa_offset,
|
|
sizeof(struct lereg1),
|
|
BUS_SPACE_MAP_LINEAR,
|
|
0, &bh)) {
|
|
printf("%s @ lebuffer: cannot map registers\n", self->dv_xname);
|
|
return;
|
|
}
|
|
lesc->sc_r1 = (struct lereg1 *)bh;
|
|
|
|
sc->sc_mem = lebuf->sc_buffer;
|
|
sc->sc_memsize = lebuf->sc_bufsiz;
|
|
sc->sc_addr = 0; /* Lance view is offset by buffer location */
|
|
lebuf->attached = 1;
|
|
|
|
/* That old black magic... */
|
|
sc->sc_conf3 = getpropint(sa->sa_node, "busmaster-regval",
|
|
LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON);
|
|
|
|
/* Assume SBus is grandparent */
|
|
lesc->sc_sd.sd_reset = (void *)am7990_reset;
|
|
sbus_establish(&lesc->sc_sd, parent);
|
|
|
|
if (sa->sa_bp != NULL && strcmp(sa->sa_bp->name, le_cd.cd_name) == 0 &&
|
|
SAME_LANCE(sa->sa_bp, sa))
|
|
sa->sa_bp->dev = &sc->sc_dev;
|
|
|
|
leattach(lesc, sa->sa_pri);
|
|
}
|
|
|
|
void
|
|
leattach_obio(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
union obio_attach_args *uoba = aux;
|
|
struct obio4_attach_args *oba = &uoba->uoba_oba4;
|
|
struct le_softc *lesc = (struct le_softc *)self;
|
|
struct am7990_softc *sc = &lesc->sc_am7990;
|
|
bus_space_handle_t bh;
|
|
|
|
lesc->sc_bustag = oba->oba_bustag;
|
|
lesc->sc_dmatag = oba->oba_dmatag;
|
|
|
|
if (obio_bus_map(oba->oba_bustag, oba->oba_paddr,
|
|
0, sizeof(struct lereg1),
|
|
0, 0,
|
|
&bh) != 0) {
|
|
printf("leattach_obio: cannot map registers\n");
|
|
return;
|
|
}
|
|
lesc->sc_r1 = (struct lereg1 *)bh;
|
|
|
|
if (oba->oba_bp != NULL &&
|
|
strcmp(oba->oba_bp->name, le_cd.cd_name) == 0 &&
|
|
sc->sc_dev.dv_unit == oba->oba_bp->val[1])
|
|
oba->oba_bp->dev = &sc->sc_dev;
|
|
|
|
/* Install interrupt */
|
|
leattach(lesc, oba->oba_pri);
|
|
}
|
|
|
|
void
|
|
leattach(lesc, pri)
|
|
struct le_softc *lesc;
|
|
int pri;
|
|
{
|
|
struct am7990_softc *sc = &lesc->sc_am7990;
|
|
|
|
/* XXX the following declarations should be elsewhere */
|
|
extern void myetheraddr __P((u_char *));
|
|
|
|
if (sc->sc_mem == 0) {
|
|
#if 0
|
|
bus_dma_segment_t seg;
|
|
int rseg, error;
|
|
|
|
error = bus_dmamem_alloc(lesc->sc_dmat, MEMSIZE, NBPG, 0,
|
|
&seg, 1, &rseg, BUS_DMA_NOWAIT);
|
|
if (error) {
|
|
printf("if_le: DMA buffer alloc error %d\n", error);
|
|
return;
|
|
}
|
|
error = bus_dmamem_map(lesc->sc_dmat, &seg, rseg, MEMSIZE,
|
|
(caddr_t *)&sc->sc_mem,
|
|
BUS_DMA_NOWAIT|BUS_DMAMEM_NOSYNC);
|
|
if (error) {
|
|
printf("if_le: DMA buffer map error %d\n", error);
|
|
return;
|
|
}
|
|
|
|
sc->sc_addr = seg.ds_addr & 0xffffff;
|
|
|
|
#else
|
|
u_long laddr;
|
|
laddr = (u_long)dvma_malloc(MEMSIZE, &sc->sc_mem, M_NOWAIT);
|
|
sc->sc_addr = laddr & 0xffffff;
|
|
#endif/*0*/
|
|
#if defined (SUN4M)
|
|
if ((sc->sc_addr & 0xffffff) >=
|
|
(sc->sc_addr & 0xffffff) + MEMSIZE)
|
|
panic("if_le: Lance buffer crosses 16MB boundary");
|
|
#endif
|
|
sc->sc_memsize = MEMSIZE;
|
|
sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON;
|
|
}
|
|
|
|
myetheraddr(sc->sc_enaddr);
|
|
|
|
sc->sc_copytodesc = am7990_copytobuf_contig;
|
|
sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
|
|
sc->sc_copytobuf = am7990_copytobuf_contig;
|
|
sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
|
|
sc->sc_zerobuf = am7990_zerobuf_contig;
|
|
|
|
sc->sc_rdcsr = lerdcsr;
|
|
sc->sc_wrcsr = lewrcsr;
|
|
sc->sc_hwinit = lehwinit;
|
|
sc->sc_nocarrier = lenocarrier;
|
|
sc->sc_hwreset = lehwreset;
|
|
|
|
am7990_config(sc);
|
|
|
|
(void)bus_intr_establish(lesc->sc_bustag, pri, 0, am7990_intr, sc);
|
|
|
|
/* now initialize DMA */
|
|
lehwreset(sc);
|
|
}
|