336 lines
9.6 KiB
C
336 lines
9.6 KiB
C
/* $NetBSD: if_le.c,v 1.47 1998/08/15 10:51:16 mycroft Exp $ */
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/*-
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* Copyright (c) 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.
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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) 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 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 <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 <machine/intr.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 <hp300/dev/dioreg.h>
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#include <hp300/dev/diovar.h>
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#include <hp300/dev/diodevs.h>
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#include <hp300/dev/if_lereg.h>
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#include <hp300/dev/if_levar.h>
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#include "opt_useleds.h"
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#ifdef USELEDS
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#include <hp300/hp300/leds.h>
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#endif
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int lematch __P((struct device *, struct cfdata *, void *));
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void leattach __P((struct device *, struct device *, void *));
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struct cfattach le_ca = {
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sizeof(struct le_softc), lematch, leattach
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};
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int leintr __P((void *));
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#if defined(_KERNEL) && !defined(_LKM)
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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 le_copytobuf __P((struct lance_softc *, void *, int, int));
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hide void le_copyfrombuf __P((struct lance_softc *, void *, int, int));
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hide void le_zerobuf __P((struct lance_softc *, int, int));
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/* offsets for: ID, REGS, MEM, NVRAM */
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int lestd[] = { 0, 0x4000, 0x8000, 0xC008 };
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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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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 le_softc *lesc = (struct le_softc *)sc;
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bus_space_tag_t bst = lesc->sc_bst;
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bus_space_handle_t bsh0 = lesc->sc_bsh0;
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bus_space_handle_t bsh1 = lesc->sc_bsh1;
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do {
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bus_space_write_2(bst, bsh1, LER1_RAP, port);
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} while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0);
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do {
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bus_space_write_2(bst, bsh1, LER1_RDP, val);
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} while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0);
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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 le_softc *lesc = (struct le_softc *)sc;
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bus_space_tag_t bst = lesc->sc_bst;
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bus_space_handle_t bsh0 = lesc->sc_bsh0;
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bus_space_handle_t bsh1 = lesc->sc_bsh1;
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u_int16_t val;
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do {
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bus_space_write_2(bst, bsh1, LER1_RAP, port);
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} while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0);
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do {
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val = bus_space_read_2(bst, bsh1, LER1_RDP);
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} while ((bus_space_read_1(bst, bsh0, LER0_STATUS) & LE_ACK) == 0);
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return (val);
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}
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int
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lematch(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct dio_attach_args *da = aux;
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if (da->da_id == DIO_DEVICE_ID_LAN)
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return (1);
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return (0);
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}
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/*
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* Interface exists: make available by filling in network interface
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* record. System will initialize the interface when it is ready
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* to accept packets.
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*/
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void
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leattach(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 dio_attach_args *da = aux;
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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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bus_space_tag_t bst = da->da_bst;
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bus_space_handle_t bsh0, bsh1, bsh2;
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bus_size_t offset;
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int i, ipl;
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if (bus_space_map(bst, (bus_addr_t)dio_scodetopa(da->da_scode),
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da->da_size, 0, &bsh0)) {
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printf("\n%s: can't map LANCE registers\n",
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sc->sc_dev.dv_xname);
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return;
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}
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if (bus_space_subregion(bst, bsh0, lestd[1], LER1_SIZE, &bsh1)) {
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printf("\n%s: can't subregion LANCE space\n",
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sc->sc_dev.dv_xname);
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return;
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}
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if (bus_space_subregion(bst, bsh0, lestd[2], LE_BUFSIZE, &bsh2)) {
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printf("\n%s: can't subregion buffer space\n",
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sc->sc_dev.dv_xname);
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return;
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}
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lesc->sc_bst = bst;
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lesc->sc_bsh0 = bsh0;
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lesc->sc_bsh1 = bsh1;
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lesc->sc_bsh2 = bsh2;
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bus_space_write_1(bst, bsh0, LER0_ID, 0xff);
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DELAY(100);
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ipl = DIO_IPL((caddr_t)bsh0); /* XXX */
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printf(" ipl %d", ipl);
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sc->sc_conf3 = LE_C3_BSWP;
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sc->sc_addr = 0;
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sc->sc_memsize = LE_BUFSIZE;
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/*
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* Read the ethernet address off the board, one nibble at a time.
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*/
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offset = lestd[3];
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for (i = 0; i < sizeof(sc->sc_enaddr); i++) {
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sc->sc_enaddr[i] =
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(bus_space_read_1(bst, bsh0, ++offset) & 0xf) << 4;
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offset++;
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sc->sc_enaddr[i] |=
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(bus_space_read_1(bst, bsh0, ++offset) & 0xf);
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offset++;
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}
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sc->sc_copytodesc = le_copytobuf;
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sc->sc_copyfromdesc = le_copyfrombuf;
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sc->sc_copytobuf = le_copytobuf;
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sc->sc_copyfrombuf = le_copyfrombuf;
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sc->sc_zerobuf = le_zerobuf;
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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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/* Establish the interrupt handler. */
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(void) dio_intr_establish(leintr, sc, ipl, IPL_NET);
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bus_space_write_1(bst, bsh0, LER0_STATUS, LE_IE);
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}
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int
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leintr(arg)
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void *arg;
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{
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struct lance_softc *sc = arg;
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#ifdef USELEDS
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u_int16_t isr;
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isr = lerdcsr(sc, LE_CSR0);
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if ((isr & LE_C0_INTR) == 0)
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return (0);
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if (isr & LE_C0_RINT)
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ledcontrol(0, 0, LED_LANRCV);
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if (isr & LE_C0_TINT)
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ledcontrol(0, 0, LED_LANXMT);
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#endif /* USELEDS */
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return (am7990_intr(sc));
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}
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hide void
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le_copytobuf(sc, from, boff, len)
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struct lance_softc *sc;
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void *from;
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int boff, len;
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{
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struct le_softc *lesc = (struct le_softc *)sc;
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bus_space_write_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, from, len);
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}
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hide void
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le_copyfrombuf(sc, to, boff, len)
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struct lance_softc *sc;
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void *to;
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int boff, len;
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{
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struct le_softc *lesc = (struct le_softc *)sc;
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bus_space_read_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, to, len);
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}
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hide void
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le_zerobuf(sc, boff, len)
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struct lance_softc *sc;
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int boff, len;
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{
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struct le_softc *lesc = (struct le_softc *)sc;
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bus_space_set_region_1(lesc->sc_bst, lesc->sc_bsh2, boff, 0, len);
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}
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