529 lines
14 KiB
C
529 lines
14 KiB
C
/* $NetBSD: if_le.c,v 1.38 2002/10/02 04:55:51 thorpej Exp $ */
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/*-
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* Copyright (c) 1997, 1998 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 Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
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* Simulation Facility, 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) 1997 Bernd Ernesti. 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 for the NetBSD Project
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* by Bernd Ernesti.
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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 <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.38 2002/10/02 04:55:51 thorpej Exp $");
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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 <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/cpu.h>
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#include <machine/mtpr.h>
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#include <amiga/amiga/device.h>
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#include <amiga/amiga/isr.h>
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#include <dev/ic/lancereg.h>
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#include <dev/ic/lancevar.h>
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#include <dev/ic/am7990reg.h>
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#include <dev/ic/am7990var.h>
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#include <amiga/dev/zbusvar.h>
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#include <amiga/dev/if_levar.h>
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int le_zbus_match(struct device *, struct cfdata *, void *);
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void le_zbus_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(le_zbus, sizeof(struct le_softc),
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le_zbus_match, le_zbus_attach, NULL, NULL);
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#if defined(_KERNEL_OPT)
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#include "opt_ddb.h"
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#endif
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#ifdef DDB
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#define integrate
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#define hide
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#else
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#define integrate static __inline
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#define hide static
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#endif
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hide void lepcnet_reset(struct lance_softc *);
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hide void lewrcsr(struct lance_softc *, u_int16_t, u_int16_t);
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hide u_int16_t lerdcsr(struct lance_softc *, u_int16_t);
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hide u_int16_t ariadne_swapreg(u_int16_t);
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hide void ariadne_wrcsr(struct lance_softc *, u_int16_t, u_int16_t);
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hide u_int16_t ariadne_rdcsr(struct lance_softc *, u_int16_t);
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hide void ariadne_wribcr(struct lance_softc *, u_int16_t, u_int16_t);
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integrate void ariadne_copytodesc_word(struct lance_softc *, void *, int, int);
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integrate void ariadne_copyfromdesc_word(struct lance_softc *, void *,
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int, int);
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integrate void ariadne_copytobuf_word(struct lance_softc *, void *, int, int);
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integrate void ariadne_copyfrombuf_word(struct lance_softc *, void *, int, int);
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integrate void ariadne_zerobuf_word(struct lance_softc *, int, int);
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void ariadne_autoselect(struct lance_softc *, int);
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int ariadne_mediachange(struct lance_softc *);
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void ariadne_hwinit(struct lance_softc *);
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/*
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* Media types supported by the Ariadne.
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*/
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int lemedia_ariadne[] = {
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IFM_ETHER | IFM_10_T,
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IFM_ETHER | IFM_10_2,
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IFM_ETHER | IFM_AUTO,
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};
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#define NLEMEDIA_ARIADNE (sizeof(lemedia_ariadne) / sizeof(lemedia_ariadne[0]))
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hide u_int16_t
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ariadne_swapreg(u_int16_t val)
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{
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return (((val & 0xff) << 8 ) | (( val >> 8) & 0xff));
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}
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hide void
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ariadne_wrcsr(struct lance_softc *sc, u_int16_t port, u_int16_t val)
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{
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struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
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ler1->ler1_rap = ariadne_swapreg(port);
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ler1->ler1_rdp = ariadne_swapreg(val);
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}
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hide u_int16_t
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ariadne_rdcsr(struct lance_softc *sc, u_int16_t port)
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{
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struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
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u_int16_t val;
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ler1->ler1_rap = ariadne_swapreg(port);
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val = ariadne_swapreg(ler1->ler1_rdp);
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return (val);
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}
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hide void
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ariadne_wribcr(struct lance_softc *sc, u_int16_t port, u_int16_t val)
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{
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struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
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ler1->ler1_rap = ariadne_swapreg(port);
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ler1->ler1_idp = ariadne_swapreg(val);
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}
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hide void
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lewrcsr(struct lance_softc *sc, u_int16_t port, u_int16_t val)
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{
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struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
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ler1->ler1_rap = port;
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ler1->ler1_rdp = val;
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}
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hide u_int16_t
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lerdcsr(struct lance_softc *sc, u_int16_t port)
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{
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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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hide void
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lepcnet_reset(struct lance_softc *sc)
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{
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struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
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volatile int dummy;
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dummy = ler1->ler1_reset; /* Reset PCNet-ISA */
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}
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void
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ariadne_autoselect(struct lance_softc *sc, int on)
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{
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/*
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* on = 0: autoselect disabled
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* on = 1: autoselect enabled
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*/
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if (on == 0)
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ariadne_wribcr(sc, LE_BCR_MC, 0x0000);
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else
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ariadne_wribcr(sc, LE_BCR_MC, LE_MC_ASEL);
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}
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int
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ariadne_mediachange(struct lance_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, switch it on otherwise disable it. 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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sc->sc_initmodemedia = 1;
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lance_init(&sc->sc_ethercom.ec_if);
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break;
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case IFM_10_2:
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sc->sc_initmodemedia = 0;
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lance_init(&sc->sc_ethercom.ec_if);
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break;
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case IFM_AUTO:
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sc->sc_initmodemedia = 2;
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ariadne_hwinit(sc);
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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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ariadne_hwinit(struct lance_softc *sc)
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{
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/*
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* Re-program LEDs to match meaning used on the Ariadne board.
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*/
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ariadne_wribcr(sc, LE_BCR_LED1, 0x0090);
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ariadne_wribcr(sc, LE_BCR_LED2, 0x0081);
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ariadne_wribcr(sc, LE_BCR_LED3, 0x0084);
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/*
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* Enabel/Disable auto selection
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*/
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if (sc->sc_initmodemedia == 2)
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ariadne_autoselect(sc, 1);
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else
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ariadne_autoselect(sc, 0);
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}
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int
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le_zbus_match(struct device *parent, struct cfdata *cfp, void *aux)
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{
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struct zbus_args *zap = aux;
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/* Commodore ethernet card */
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if (zap->manid == 514 && zap->prodid == 112)
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return (1);
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/* Ameristar ethernet card */
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if (zap->manid == 1053 && zap->prodid == 1)
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return (1);
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/* Ariadne ethernet card */
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if (zap->manid == 2167 && zap->prodid == 201)
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return (1);
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return (0);
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}
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void
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le_zbus_attach(struct device *parent, struct device *self, void *aux)
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{
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struct le_softc *lesc = (struct le_softc *)self;
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struct lance_softc *sc = &lesc->sc_am7990.lsc;
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struct zbus_args *zap = aux;
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u_long ser;
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/* This has no effect on PCnet-ISA LANCE chips */
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sc->sc_conf3 = LE_C3_BSWP;
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/*
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* Manufacturer decides the 3 first bytes, i.e. ethernet vendor ID.
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*/
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switch (zap->manid) {
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case 514:
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/* Commodore */
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sc->sc_memsize = 32768;
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sc->sc_enaddr[0] = 0x00;
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sc->sc_enaddr[1] = 0x80;
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sc->sc_enaddr[2] = 0x10;
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lesc->sc_r1 = (struct lereg1 *)(0x4000 + (int)zap->va);
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sc->sc_mem = (void *)(0x8000 + (int)zap->va);
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sc->sc_addr = 0x8000;
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sc->sc_copytodesc = lance_copytobuf_contig;
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sc->sc_copyfromdesc = lance_copyfrombuf_contig;
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sc->sc_copytobuf = lance_copytobuf_contig;
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sc->sc_copyfrombuf = lance_copyfrombuf_contig;
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sc->sc_zerobuf = lance_zerobuf_contig;
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sc->sc_rdcsr = lerdcsr;
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sc->sc_wrcsr = lewrcsr;
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sc->sc_hwreset = NULL;
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sc->sc_hwinit = NULL;
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break;
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case 1053:
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/* Ameristar */
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sc->sc_memsize = 32768;
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sc->sc_enaddr[0] = 0x00;
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sc->sc_enaddr[1] = 0x00;
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sc->sc_enaddr[2] = 0x9f;
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lesc->sc_r1 = (struct lereg1 *)(0x4000 + (int)zap->va);
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sc->sc_mem = (void *)(0x8000 + (int)zap->va);
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sc->sc_addr = 0x8000;
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sc->sc_copytodesc = lance_copytobuf_contig;
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sc->sc_copyfromdesc = lance_copyfrombuf_contig;
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sc->sc_copytobuf = lance_copytobuf_contig;
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sc->sc_copyfrombuf = lance_copyfrombuf_contig;
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sc->sc_zerobuf = lance_zerobuf_contig;
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sc->sc_rdcsr = lerdcsr;
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sc->sc_wrcsr = lewrcsr;
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sc->sc_hwreset = NULL;
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sc->sc_hwinit = NULL;
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break;
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case 2167:
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/* Village Tronic */
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sc->sc_memsize = 32768;
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sc->sc_enaddr[0] = 0x00;
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sc->sc_enaddr[1] = 0x60;
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sc->sc_enaddr[2] = 0x30;
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lesc->sc_r1 = (struct lereg1 *)(0x0370 + (int)zap->va);
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sc->sc_mem = (void *)(0x8000 + (int)zap->va);
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sc->sc_addr = 0x8000;
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sc->sc_copytodesc = ariadne_copytodesc_word;
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sc->sc_copyfromdesc = ariadne_copyfromdesc_word;
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sc->sc_copytobuf = ariadne_copytobuf_word;
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sc->sc_copyfrombuf = ariadne_copyfrombuf_word;
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sc->sc_zerobuf = ariadne_zerobuf_word;
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sc->sc_rdcsr = ariadne_rdcsr;
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sc->sc_wrcsr = ariadne_wrcsr;
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sc->sc_hwreset = lepcnet_reset;
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sc->sc_hwinit = ariadne_hwinit;
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sc->sc_mediachange = ariadne_mediachange;
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sc->sc_supmedia = lemedia_ariadne;
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sc->sc_nsupmedia = NLEMEDIA_ARIADNE;
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sc->sc_defaultmedia = IFM_ETHER | IFM_AUTO;
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sc->sc_initmodemedia = 2;
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break;
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default:
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panic("le_zbus_attach: bad manid");
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}
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/*
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* Serial number for board is used as host ID.
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*/
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ser = (u_long)zap->serno;
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sc->sc_enaddr[3] = (ser >> 16) & 0xff;
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sc->sc_enaddr[4] = (ser >> 8) & 0xff;
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sc->sc_enaddr[5] = (ser ) & 0xff;
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am7990_config(&lesc->sc_am7990);
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lesc->sc_isr.isr_intr = am7990_intr;
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lesc->sc_isr.isr_arg = sc;
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lesc->sc_isr.isr_ipl = 2;
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add_isr(&lesc->sc_isr);
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}
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integrate void
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ariadne_copytodesc_word(struct lance_softc *sc, void *from, int boff, int len)
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{
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u_short *b1 = from;
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volatile u_short *b2 = (u_short *)((u_char *)sc->sc_mem + boff);
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for (len >>= 1; len > 0; len--)
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*b2++ = ariadne_swapreg(*b1++);
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}
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integrate void
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ariadne_copyfromdesc_word(struct lance_softc *sc, void *to, int boff, int len)
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{
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volatile u_short *b1 = (u_short *)((u_char *)sc->sc_mem + boff);
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u_short *b2 = to;
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for (len >>= 1; len > 0; len--)
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*b2++ = ariadne_swapreg(*b1++);
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}
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#define isodd(n) ((n) & 1)
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integrate void
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ariadne_copytobuf_word(struct lance_softc *sc, void *from, int boff, int len)
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{
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u_char *a1 = from;
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volatile u_char *a2 = (u_char *)sc->sc_mem + boff;
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u_short *b1;
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volatile u_short *b2;
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int i;
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if (len > 0 && isodd(boff)) {
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/* adjust source pointer */
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b1 = (u_short *)(a1 + 1);
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/* compute aligned destination pointer */
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b2 = (u_short *)(a2 + 1);
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/* copy first unaligned byte to buf */
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b2[-1] = (b2[-1] & 0xff00) | *a1;
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--len;
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} else {
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/* destination is aligned or length is zero */
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b1 = (u_short *)a1;
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b2 = (u_short *)a2;
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}
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/* copy full words with aligned destination */
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for (i = len >> 1; i > 0; i--)
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*b2++ = *b1++;
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|
/* copy remaining byte */
|
|
if (isodd(len))
|
|
*b2 = (*b2 & 0x00ff) | (*(u_char *)b1) << 8;
|
|
}
|
|
|
|
integrate void
|
|
ariadne_copyfrombuf_word(struct lance_softc *sc, void *to, int boff, int len)
|
|
{
|
|
volatile u_char *a1 = (u_char *)sc->sc_mem + boff;
|
|
u_char *a2 = to;
|
|
volatile u_short *b1;
|
|
u_short *b2;
|
|
int i;
|
|
|
|
if (len > 0 && isodd(boff)) {
|
|
/* compute aligned source pointer */
|
|
b1 = (u_short *)(a1 + 1);
|
|
/* adjust destination pointer (possibly unaligned) */
|
|
b2 = (u_short *)(a2 + 1);
|
|
/* copy first unaligned byte from buf */
|
|
*a2 = b1[-1];
|
|
--len;
|
|
} else {
|
|
/* source is aligned or length is zero */
|
|
b1 = (u_short *)a1;
|
|
b2 = (u_short *)a2;
|
|
}
|
|
|
|
/* copy full words with aligned source */
|
|
for (i = len >> 1; i > 0; i--)
|
|
*b2++ = *b1++;
|
|
|
|
/* copy remaining byte */
|
|
if (isodd(len))
|
|
*(u_char *)b2 = *b1 >> 8;
|
|
}
|
|
|
|
integrate void
|
|
ariadne_zerobuf_word(struct lance_softc *sc, int boff, int len)
|
|
{
|
|
volatile u_char *a1 = (u_char *)sc->sc_mem + boff;
|
|
volatile u_short *b1;
|
|
int i;
|
|
|
|
if (len > 0 && isodd(boff)) {
|
|
b1 = (u_short *)(a1 + 1);
|
|
b1[-1] &= 0xff00;
|
|
--len;
|
|
} else {
|
|
b1 = (u_short *)a1;
|
|
}
|
|
|
|
for (i = len >> 1; i > 0; i--)
|
|
*b1++ = 0;
|
|
|
|
if (isodd(len))
|
|
*b1 &= 0x00ff;
|
|
}
|