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if_le.c revision 1.11.2.1
      1 /*	$NetBSD: if_le.c,v 1.11.2.1 2004/08/03 10:38:29 skrll Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Adam Glass and Gordon W. Ross.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.11.2.1 2004/08/03 10:38:29 skrll Exp $");
     41 
     42 #include "opt_inet.h"
     43 #include "bpfilter.h"
     44 
     45 #include <sys/param.h>
     46 #include <sys/systm.h>
     47 #include <sys/mbuf.h>
     48 #include <sys/syslog.h>
     49 #include <sys/socket.h>
     50 #include <sys/device.h>
     51 
     52 #include <net/if.h>
     53 #include <net/if_ether.h>
     54 #include <net/if_media.h>
     55 
     56 #ifdef INET
     57 #include <netinet/in.h>
     58 #include <netinet/if_inarp.h>
     59 #endif
     60 
     61 #include <machine/cpu.h>
     62 #include <machine/adrsmap.h>
     63 
     64 #include <dev/ic/lancereg.h>
     65 #include <dev/ic/lancevar.h>
     66 #include <dev/ic/am7990reg.h>
     67 #include <dev/ic/am7990var.h>
     68 
     69 #include <newsmips/dev/hbvar.h>
     70 
     71 /*
     72  * LANCE registers.
     73  * The real stuff is in dev/ic/am7990reg.h
     74  */
     75 struct lereg1 {
     76 	volatile u_int16_t	ler1_rdp;	/* data port */
     77 	volatile u_int16_t	ler1_rap;	/* register select port */
     78 };
     79 
     80 /*
     81  * Ethernet software status per interface.
     82  * The real stuff is in dev/ic/am7990var.h
     83  */
     84 struct	le_softc {
     85 	struct	am7990_softc sc_am7990;	/* glue to MI code */
     86 
     87 	struct	lereg1 *sc_r1;		/* LANCE registers */
     88 };
     89 
     90 static int	le_match __P((struct device *, struct cfdata *, void *));
     91 static void	le_attach __P((struct device *, struct device *, void *));
     92 
     93 CFATTACH_DECL(le, sizeof(struct le_softc),
     94     le_match, le_attach, NULL, NULL);
     95 
     96 #if defined(_KERNEL_OPT)
     97 #include "opt_ddb.h"
     98 #endif
     99 
    100 #ifdef DDB
    101 #define	integrate
    102 #define hide
    103 #else
    104 #define	integrate	static __inline
    105 #define hide		static
    106 #endif
    107 
    108 hide void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
    109 hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t));
    110 
    111 hide void
    112 lewrcsr(sc, port, val)
    113 	struct lance_softc *sc;
    114 	u_int16_t port, val;
    115 {
    116 	register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
    117 
    118 	ler1->ler1_rap = port;
    119 	ler1->ler1_rdp = val;
    120 }
    121 
    122 hide u_int16_t
    123 lerdcsr(sc, port)
    124 	struct lance_softc *sc;
    125 	u_int16_t port;
    126 {
    127 	register struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
    128 	u_int16_t val;
    129 
    130 	ler1->ler1_rap = port;
    131 	val = ler1->ler1_rdp;
    132 	return (val);
    133 }
    134 
    135 int
    136 le_match(parent, cf, aux)
    137 	struct device *parent;
    138 	struct cfdata *cf;
    139 	void *aux;
    140 {
    141 	struct hb_attach_args *ha = aux;
    142 
    143 	if (strcmp(ha->ha_name, "le"))
    144 		return 0;
    145 
    146 	if (hb_badaddr((void *)ha->ha_addr, 1)) /* XXX */
    147 		return 0;
    148 
    149 	return 1;
    150 }
    151 
    152 void
    153 le_attach(parent, self, aux)
    154 	struct device *parent, *self;
    155 	void *aux;
    156 {
    157 	struct le_softc *lesc = (struct le_softc *)self;
    158 	struct lance_softc *sc = &lesc->sc_am7990.lsc;
    159 	struct hb_attach_args *ha = aux;
    160 	int intlevel, intmask;
    161 	u_char *p;
    162 
    163 	intlevel = ha->ha_level;
    164 	if (intlevel == -1) {
    165 		printf(": interrupt level not configured\n");
    166 		return;
    167 	}
    168 	printf(" level %d", intlevel);
    169 
    170 	switch (ha->ha_addr) {
    171 
    172 	case LANCE_PORT:
    173 		sc->sc_mem = (void *)LANCE_MEMORY;
    174 		p = (u_char *)(ETHER_ID+16);
    175 		intmask = INTST1_LANCE;
    176 		break;
    177 	case LANCE_PORT1:
    178 		sc->sc_mem = (void *)LANCE_MEMORY1;
    179 		p = (u_char *)(ETHER_ID1+16);
    180 		intmask = INTST1_SLOT3; /* XXX not tested */
    181 		break;
    182 	case LANCE_PORT2:
    183 		sc->sc_mem = (void *)LANCE_MEMORY2;
    184 		p = (u_char *)(ETHER_ID2+16);
    185 		intmask = INTST1_SLOT3; /* XXX not tested */
    186 		break;
    187 
    188 	default:
    189 		printf(": unknown LANCE addr\n");
    190 		return;
    191 	}
    192 
    193 	lesc->sc_r1 = (void *)ha->ha_addr;
    194 
    195 	sc->sc_memsize = 0x4000;	/* 16K */
    196 	sc->sc_addr = (int)sc->sc_mem & 0x00ffffff;
    197 	sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON;
    198 
    199 	sc->sc_enaddr[0] = (*p++ << 4);
    200 	sc->sc_enaddr[0] |= *p++ & 0x0f;
    201 	sc->sc_enaddr[1] = (*p++ << 4);
    202 	sc->sc_enaddr[1] |= *p++ & 0x0f;
    203 	sc->sc_enaddr[2] = (*p++ << 4);
    204 	sc->sc_enaddr[2] |= *p++ & 0x0f;
    205 	sc->sc_enaddr[3] = (*p++ << 4);
    206 	sc->sc_enaddr[3] |= *p++ & 0x0f;
    207 	sc->sc_enaddr[4] = (*p++ << 4);
    208 	sc->sc_enaddr[4] |= *p++ & 0x0f;
    209 	sc->sc_enaddr[5] = (*p++ << 4);
    210 	sc->sc_enaddr[5] |= *p++ & 0x0f;
    211 
    212 	sc->sc_copytodesc = lance_copytobuf_contig;
    213 	sc->sc_copyfromdesc = lance_copyfrombuf_contig;
    214 	sc->sc_copytobuf = lance_copytobuf_contig;
    215 	sc->sc_copyfrombuf = lance_copyfrombuf_contig;
    216 	sc->sc_zerobuf = lance_zerobuf_contig;
    217 
    218 	sc->sc_rdcsr = lerdcsr;
    219 	sc->sc_wrcsr = lewrcsr;
    220 	sc->sc_hwinit = NULL;
    221 
    222 	am7990_config(&lesc->sc_am7990);
    223 	hb_intr_establish(intlevel, intmask, IPL_NET, am7990_intr, sc);
    224 }
    225