Home | History | Annotate | Line # | Download | only in dev
if_le.c revision 1.1
      1 /*	$NetBSD: if_le.c,v 1.1 1999/12/09 14:53:05 tsutsui 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 /*
     40  * news68k/dev/if_le.c - based on newsmips/dev/if_le.c
     41  */
     42 
     43 #include "opt_inet.h"
     44 #include "bpfilter.h"
     45 
     46 #include <sys/param.h>
     47 #include <sys/systm.h>
     48 #include <sys/mbuf.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 
     63 #include <news68k/dev/hbvar.h>
     64 
     65 #include <dev/ic/lancereg.h>
     66 #include <dev/ic/lancevar.h>
     67 #include <dev/ic/am7990reg.h>
     68 #include <dev/ic/am7990var.h>
     69 
     70 /*
     71  * LANCE registers.
     72  * The real stuff is in dev/ic/am7990reg.h
     73  */
     74 struct lereg1 {
     75 	volatile u_int16_t	ler1_rdp;	/* data port */
     76 	volatile u_int16_t	ler1_rap;	/* register select port */
     77 };
     78 
     79 /*
     80  * Ethernet software status per interface.
     81  * The real stuff is in dev/ic/am7990var.h
     82  */
     83 struct	le_softc {
     84 	struct	am7990_softc sc_am7990;	/* glue to MI code */
     85 
     86 	struct	lereg1 *sc_r1;		/* LANCE registers */
     87 };
     88 
     89 static int	le_match __P((struct device *, struct cfdata *, void *));
     90 static void	le_attach __P((struct device *, struct device *, void *));
     91 
     92 struct cfattach le_ca = {
     93 	sizeof(struct le_softc), le_match, le_attach
     94 };
     95 
     96 #if defined(_KERNEL) && !defined(_LKM)
     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 int leintr __P((int));
    111 
    112 hide void
    113 lewrcsr(sc, port, val)
    114 	struct lance_softc *sc;
    115 	u_int16_t port, val;
    116 {
    117 	struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
    118 
    119 	ler1->ler1_rap = port;
    120 	ler1->ler1_rdp = val;
    121 }
    122 
    123 hide u_int16_t
    124 lerdcsr(sc, port)
    125 	struct lance_softc *sc;
    126 	u_int16_t port;
    127 {
    128 	struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1;
    129 	u_int16_t val;
    130 
    131 	ler1->ler1_rap = port;
    132 	val = ler1->ler1_rdp;
    133 	return (val);
    134 }
    135 
    136 int
    137 le_match(parent, cf, aux)
    138 	struct device *parent;
    139 	struct cfdata *cf;
    140 	void *aux;
    141 {
    142 	struct hb_attach_args *ha = aux;
    143 	int addr;
    144 
    145 	if (strcmp(ha->ha_name, "le"))
    146 		return 0;
    147 
    148 	switch(cf->cf_unit) {
    149 
    150 	case 0:
    151 		addr = IIOV(LANCE_PORT);	/* XXX hard coded now... */
    152 		break;
    153 	case 1:
    154 		addr = LANCE_PORT1;	/* XXX */
    155 		break;
    156 	case 2:
    157 		addr = LANCE_PORT2;	/* XXX */
    158 		break;
    159 
    160 	default:
    161 		return 0;
    162 	}
    163 
    164 	if (badaddr((void *)addr, 1))
    165 		return 0;
    166 
    167 	return 1;
    168 }
    169 
    170 void
    171 le_attach(parent, self, aux)
    172 	struct device *parent, *self;
    173 	void *aux;
    174 {
    175 	struct le_softc *lesc = (struct le_softc *)self;
    176 	struct lance_softc *sc = &lesc->sc_am7990.lsc;
    177 	/*struct hb_attach_args *ha = aux;*/
    178 	u_char *p;
    179 
    180 	switch (sc->sc_dev.dv_unit) {
    181 
    182 	case 0:
    183 		lesc->sc_r1 = (void *)IIOV(LANCE_PORT);	/* XXX */
    184 		sc->sc_mem = (void *)IIOV(LANCE_MEMORY);
    185 		p = (u_char *)IIOV(LANCE_ID+16);
    186 		break;
    187 	case 1:
    188 		lesc->sc_r1 = (void *)LANCE_PORT1;/* XXX */
    189 		sc->sc_mem = (void *)LANCE_MEMORY1;
    190 		p = (u_char *)(LANCE_ID1+16);
    191 		break;
    192 	case 2:
    193 		lesc->sc_r1 = (void *)LANCE_PORT2;	/* XXX */
    194 		sc->sc_mem = (void *)LANCE_MEMORY2;
    195 		p = (u_char *)(LANCE_ID2+16);
    196 		break;
    197 
    198 	default:
    199 		panic("le_attach");
    200 	}
    201 
    202 	sc->sc_memsize = 0x4000;	/* 16K */
    203 	sc->sc_addr = (int)sc->sc_mem & 0x00ffffff;
    204 	sc->sc_conf3 = LE_C3_BSWP|LE_C3_BCON;
    205 
    206 	sc->sc_enaddr[0] = (*p++ << 4);
    207 	sc->sc_enaddr[0] |= *p++ & 0x0f;
    208 	sc->sc_enaddr[1] = (*p++ << 4);
    209 	sc->sc_enaddr[1] |= *p++ & 0x0f;
    210 	sc->sc_enaddr[2] = (*p++ << 4);
    211 	sc->sc_enaddr[2] |= *p++ & 0x0f;
    212 	sc->sc_enaddr[3] = (*p++ << 4);
    213 	sc->sc_enaddr[3] |= *p++ & 0x0f;
    214 	sc->sc_enaddr[4] = (*p++ << 4);
    215 	sc->sc_enaddr[4] |= *p++ & 0x0f;
    216 	sc->sc_enaddr[5] = (*p++ << 4);
    217 	sc->sc_enaddr[5] |= *p++ & 0x0f;
    218 
    219 	sc->sc_copytodesc = lance_copytobuf_contig;
    220 	sc->sc_copyfromdesc = lance_copyfrombuf_contig;
    221 	sc->sc_copytobuf = lance_copytobuf_contig;
    222 	sc->sc_copyfrombuf = lance_copyfrombuf_contig;
    223 	sc->sc_zerobuf = lance_zerobuf_contig;
    224 
    225 	sc->sc_rdcsr = lerdcsr;
    226 	sc->sc_wrcsr = lewrcsr;
    227 	sc->sc_hwinit = NULL;
    228 
    229 	am7990_config(&lesc->sc_am7990);
    230 }
    231 
    232 int
    233 leintr(unit)
    234 	int unit;
    235 {
    236 	struct am7990_softc *sc;
    237 	extern struct cfdriver le_cd;
    238 
    239 	if (unit >= le_cd.cd_ndevs)
    240 		return 0;
    241 
    242 	sc = le_cd.cd_devs[unit];
    243 	return am7990_intr(sc);
    244 }
    245