221 lines
5.6 KiB
C
221 lines
5.6 KiB
C
/* $NetBSD: if_le.c,v 1.4 2002/09/27 20:34:08 thorpej Exp $ */
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/*-
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* Copyright (c) 1996 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 Adam Glass and Gordon W. Ross.
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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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* news68k/dev/if_le.c - based on newsmips/dev/if_le.c
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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/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 <news68k/dev/hbvar.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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/*
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* LANCE registers.
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* The real stuff is in dev/ic/am7990reg.h
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*/
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struct lereg1 {
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volatile u_int16_t ler1_rdp; /* data port */
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volatile u_int16_t ler1_rap; /* register select port */
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};
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/*
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* Ethernet software status per interface.
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* The real stuff is in dev/ic/am7990var.h
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*/
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struct le_softc {
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struct am7990_softc sc_am7990; /* glue to MI code */
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struct lereg1 *sc_r1; /* LANCE registers */
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};
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static int le_match __P((struct device *, struct cfdata *, void *));
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static void le_attach __P((struct device *, struct device *, void *));
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const struct cfattach le_ca = {
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sizeof(struct le_softc), le_match, le_attach
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};
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extern volatile u_char *lance_mem, *idrom_addr;
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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 lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
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hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t));
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int leintr __P((int));
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hide void
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lewrcsr(sc, port, val)
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struct lance_softc *sc;
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u_int16_t port, 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(sc, port)
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struct lance_softc *sc;
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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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int
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le_match(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 hb_attach_args *ha = aux;
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int addr;
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if (strcmp(ha->ha_name, "le"))
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return 0;
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addr = IIOV(ha->ha_address);
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if (badaddr((void *)addr, 1))
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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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le_attach(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 le_softc *lesc = (struct le_softc *)self;
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struct lance_softc *sc = &lesc->sc_am7990.lsc;
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struct hb_attach_args *ha = aux;
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u_char *p;
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lesc->sc_r1 = (void *)IIOV(ha->ha_address);
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if (ISIIOPA(ha->ha_address)) {
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sc->sc_mem = (u_char *)lance_mem;
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p = (u_char *)(idrom_addr + 0x10);
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} else {
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sc->sc_mem = lesc->sc_r1 - 0x10000;
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p = (u_char *)(lesc->sc_r1 + 0x8010);
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}
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sc->sc_memsize = 0x4000; /* 16K */
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sc->sc_addr = (int)sc->sc_mem & 0x00ffffff;
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sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON;
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sc->sc_enaddr[0] = (*p++ << 4);
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sc->sc_enaddr[0] |= *p++ & 0x0f;
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sc->sc_enaddr[1] = (*p++ << 4);
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sc->sc_enaddr[1] |= *p++ & 0x0f;
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sc->sc_enaddr[2] = (*p++ << 4);
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sc->sc_enaddr[2] |= *p++ & 0x0f;
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sc->sc_enaddr[3] = (*p++ << 4);
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sc->sc_enaddr[3] |= *p++ & 0x0f;
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sc->sc_enaddr[4] = (*p++ << 4);
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sc->sc_enaddr[4] |= *p++ & 0x0f;
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sc->sc_enaddr[5] = (*p++ << 4);
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sc->sc_enaddr[5] |= *p++ & 0x0f;
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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_hwinit = NULL;
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am7990_config(&lesc->sc_am7990);
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}
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int
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leintr(unit)
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int unit;
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{
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struct am7990_softc *sc;
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extern struct cfdriver le_cd;
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if (unit >= le_cd.cd_ndevs)
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return 0;
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sc = le_cd.cd_devs[unit];
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return am7990_intr(sc);
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}
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