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if_le.c revision 1.29
      1  1.29  christos /*	$NetBSD: if_le.c,v 1.29 1996/04/22 02:30:45 christos Exp $	*/
      2  1.20       cgd 
      3  1.24   mycroft /*-
      4  1.24   mycroft  * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
      5  1.24   mycroft  * Copyright (c) 1992, 1993
      6  1.24   mycroft  *	The Regents of the University of California.  All rights reserved.
      7  1.24   mycroft  *
      8  1.24   mycroft  * This code is derived from software contributed to Berkeley by
      9  1.24   mycroft  * Ralph Campbell and Rick Macklem.
     10   1.1       cgd  *
     11   1.1       cgd  * Redistribution and use in source and binary forms, with or without
     12   1.1       cgd  * modification, are permitted provided that the following conditions
     13   1.1       cgd  * are met:
     14   1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     15   1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     16   1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     17   1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     18   1.1       cgd  *    documentation and/or other materials provided with the distribution.
     19   1.1       cgd  * 3. All advertising materials mentioning features or use of this software
     20   1.1       cgd  *    must display the following acknowledgement:
     21   1.1       cgd  *	This product includes software developed by the University of
     22   1.1       cgd  *	California, Berkeley and its contributors.
     23   1.1       cgd  * 4. Neither the name of the University nor the names of its contributors
     24   1.1       cgd  *    may be used to endorse or promote products derived from this software
     25   1.1       cgd  *    without specific prior written permission.
     26   1.1       cgd  *
     27   1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     28   1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     29   1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     30   1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     31   1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     32   1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     33   1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     34   1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     35   1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     36   1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     37   1.1       cgd  * SUCH DAMAGE.
     38   1.1       cgd  *
     39  1.24   mycroft  *	@(#)if_le.c	8.2 (Berkeley) 11/16/93
     40   1.1       cgd  */
     41   1.1       cgd 
     42   1.1       cgd #include "bpfilter.h"
     43   1.1       cgd 
     44   1.5   mycroft #include <sys/param.h>
     45   1.5   mycroft #include <sys/systm.h>
     46   1.5   mycroft #include <sys/mbuf.h>
     47  1.24   mycroft #include <sys/syslog.h>
     48   1.5   mycroft #include <sys/socket.h>
     49  1.24   mycroft #include <sys/device.h>
     50   1.5   mycroft 
     51   1.5   mycroft #include <net/if.h>
     52   1.1       cgd 
     53   1.1       cgd #ifdef INET
     54   1.5   mycroft #include <netinet/in.h>
     55   1.5   mycroft #include <netinet/if_ether.h>
     56   1.1       cgd #endif
     57   1.1       cgd 
     58   1.5   mycroft #include <machine/cpu.h>
     59  1.18   mycroft #include <machine/mtpr.h>
     60  1.24   mycroft 
     61   1.5   mycroft #include <hp300/hp300/isr.h>
     62  1.25   thorpej 
     63  1.18   mycroft #ifdef USELEDS
     64  1.18   mycroft #include <hp300/hp300/led.h>
     65  1.18   mycroft #endif
     66   1.1       cgd 
     67   1.5   mycroft #include <hp300/dev/device.h>
     68   1.5   mycroft #include <hp300/dev/if_lereg.h>
     69  1.24   mycroft #include <hp300/dev/if_levar.h>
     70  1.24   mycroft #include <dev/ic/am7990reg.h>
     71  1.24   mycroft #define	LE_NEED_BUF_CONTIG
     72  1.24   mycroft #include <dev/ic/am7990var.h>
     73   1.1       cgd 
     74  1.24   mycroft #include "le.h"
     75  1.24   mycroft struct	le_softc le_softc[NLE];
     76  1.13   mycroft 
     77  1.24   mycroft #define	LE_SOFTC(unit)	&le_softc[unit]
     78  1.24   mycroft #define	LE_DELAY(x)	DELAY(x)
     79  1.24   mycroft 
     80  1.24   mycroft int	lematch __P((struct hp_device *));
     81  1.24   mycroft void	leattach __P((struct hp_device *));
     82  1.26   thorpej int	leintr __P((void *));
     83  1.27   thorpej static	int hp300_leintr __P((void *));	/* machine-dependent wrapper */
     84  1.13   mycroft 
     85  1.24   mycroft struct	driver ledriver = {
     86  1.24   mycroft 	lematch, leattach, "le",
     87  1.24   mycroft };
     88  1.13   mycroft 
     89   1.1       cgd /* offsets for:	   ID,   REGS,    MEM,  NVRAM */
     90   1.1       cgd int	lestd[] = { 0, 0x4000, 0x8000, 0xC008 };
     91  1.29  christos 
     92  1.29  christos integrate void
     93  1.29  christos lehwinit(sc)
     94  1.29  christos 	struct le_softc *sc;
     95  1.29  christos {
     96  1.29  christos }
     97   1.1       cgd 
     98  1.24   mycroft integrate void
     99  1.13   mycroft lewrcsr(sc, port, val)
    100  1.13   mycroft 	struct le_softc *sc;
    101  1.24   mycroft 	u_int16_t port, val;
    102  1.13   mycroft {
    103  1.13   mycroft 	register struct lereg0 *ler0 = sc->sc_r0;
    104  1.13   mycroft 	register struct lereg1 *ler1 = sc->sc_r1;
    105  1.13   mycroft 
    106  1.13   mycroft 	do {
    107  1.13   mycroft 		ler1->ler1_rap = port;
    108  1.13   mycroft 	} while ((ler0->ler0_status & LE_ACK) == 0);
    109  1.13   mycroft 	do {
    110  1.13   mycroft 		ler1->ler1_rdp = val;
    111  1.13   mycroft 	} while ((ler0->ler0_status & LE_ACK) == 0);
    112  1.13   mycroft }
    113  1.13   mycroft 
    114  1.24   mycroft integrate u_int16_t
    115  1.13   mycroft lerdcsr(sc, port)
    116  1.13   mycroft 	struct le_softc *sc;
    117  1.24   mycroft 	u_int16_t port;
    118  1.13   mycroft {
    119  1.13   mycroft 	register struct lereg0 *ler0 = sc->sc_r0;
    120  1.13   mycroft 	register struct lereg1 *ler1 = sc->sc_r1;
    121  1.24   mycroft 	u_int16_t val;
    122  1.13   mycroft 
    123  1.13   mycroft 	do {
    124  1.13   mycroft 		ler1->ler1_rap = port;
    125  1.13   mycroft 	} while ((ler0->ler0_status & LE_ACK) == 0);
    126  1.13   mycroft 	do {
    127  1.13   mycroft 		val = ler1->ler1_rdp;
    128  1.13   mycroft 	} while ((ler0->ler0_status & LE_ACK) == 0);
    129  1.13   mycroft 	return (val);
    130  1.13   mycroft }
    131  1.13   mycroft 
    132  1.23   thorpej int
    133  1.23   thorpej lematch(hd)
    134  1.23   thorpej 	struct hp_device *hd;
    135  1.23   thorpej {
    136  1.23   thorpej 	register struct lereg0 *ler0;
    137  1.24   mycroft 	struct le_softc *sc = LE_SOFTC(hd->hp_unit);
    138  1.23   thorpej 
    139  1.23   thorpej 	ler0 = (struct lereg0 *)(lestd[0] + (int)hd->hp_addr);
    140  1.23   thorpej 	if (ler0->ler0_id != LEID)
    141  1.23   thorpej 		return (0);
    142  1.23   thorpej 
    143  1.23   thorpej 	hd->hp_ipl = LE_IPL(ler0->ler0_status);
    144  1.23   thorpej 	sc->sc_hd = hd;
    145  1.23   thorpej 
    146  1.23   thorpej 	return (1);
    147  1.23   thorpej }
    148  1.23   thorpej 
    149   1.1       cgd /*
    150   1.1       cgd  * Interface exists: make available by filling in network interface
    151   1.1       cgd  * record.  System will initialize the interface when it is ready
    152   1.1       cgd  * to accept packets.
    153   1.1       cgd  */
    154  1.23   thorpej void
    155   1.1       cgd leattach(hd)
    156   1.1       cgd 	struct hp_device *hd;
    157   1.1       cgd {
    158   1.1       cgd 	register struct lereg0 *ler0;
    159  1.24   mycroft 	struct le_softc *sc = LE_SOFTC(hd->hp_unit);
    160   1.1       cgd 	char *cp;
    161   1.1       cgd 	int i;
    162   1.1       cgd 
    163   1.5   mycroft 	ler0 = sc->sc_r0 = (struct lereg0 *)(lestd[0] + (int)hd->hp_addr);
    164  1.24   mycroft 	ler0->ler0_id = 0xFF;
    165  1.24   mycroft 	DELAY(100);
    166  1.24   mycroft 
    167  1.24   mycroft 	/* XXXX kluge for now */
    168  1.24   mycroft 	sc->sc_dev.dv_unit = hd->hp_unit;
    169  1.24   mycroft 	sprintf(sc->sc_dev.dv_xname, "%s%d", ledriver.d_name, hd->hp_unit);
    170  1.24   mycroft 
    171  1.13   mycroft 	sc->sc_r1 = (struct lereg1 *)(lestd[1] + (int)hd->hp_addr);
    172  1.13   mycroft 	sc->sc_mem = (void *)(lestd[2] + (int)hd->hp_addr);
    173  1.24   mycroft 	sc->sc_conf3 = LE_C3_BSWP;
    174  1.24   mycroft 	sc->sc_addr = 0;
    175  1.24   mycroft 	sc->sc_memsize = 16384;
    176   1.1       cgd 
    177   1.1       cgd 	/*
    178   1.1       cgd 	 * Read the ethernet address off the board, one nibble at a time.
    179   1.1       cgd 	 */
    180   1.1       cgd 	cp = (char *)(lestd[3] + (int)hd->hp_addr);
    181  1.13   mycroft 	for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++) {
    182  1.13   mycroft 		sc->sc_arpcom.ac_enaddr[i] = (*++cp & 0xF) << 4;
    183   1.1       cgd 		cp++;
    184  1.13   mycroft 		sc->sc_arpcom.ac_enaddr[i] |= *++cp & 0xF;
    185   1.1       cgd 		cp++;
    186   1.1       cgd 	}
    187   1.1       cgd 
    188  1.28       cgd 	sc->sc_copytodesc = am7990_copytobuf_contig;
    189  1.28       cgd 	sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
    190  1.28       cgd 	sc->sc_copytobuf = am7990_copytobuf_contig;
    191  1.28       cgd 	sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
    192  1.28       cgd 	sc->sc_zerobuf = am7990_zerobuf_contig;
    193  1.25   thorpej 
    194  1.24   mycroft 	sc->sc_arpcom.ac_if.if_name = ledriver.d_name;
    195  1.24   mycroft 	leconfig(sc);
    196  1.24   mycroft 
    197  1.27   thorpej 	/* Establish the interrupt handler. */
    198  1.27   thorpej 	isrlink(hp300_leintr, sc, hd->hp_ipl, ISRPRI_NET);
    199   1.1       cgd 	ler0->ler0_status = LE_IE;
    200   1.1       cgd }
    201  1.14   mycroft 
    202  1.26   thorpej static int
    203  1.27   thorpej hp300_leintr(arg)
    204  1.27   thorpej 	void *arg;
    205  1.26   thorpej {
    206  1.27   thorpej 	struct le_softc *sc = arg;
    207  1.26   thorpej 	u_int16_t isr;
    208  1.26   thorpej 
    209  1.26   thorpej #ifdef USELEDS
    210  1.26   thorpej 	isr = lerdcsr(sc, LE_CSR0);
    211  1.26   thorpej 
    212  1.26   thorpej 	if ((isr & LE_C0_INTR) == 0)
    213  1.26   thorpej 		return (0);
    214  1.26   thorpej 
    215  1.26   thorpej 	if (isr & LE_C0_RINT)
    216  1.26   thorpej 		if (inledcontrol == 0)
    217  1.26   thorpej 			ledcontrol(0, 0, LED_LANRCV);
    218  1.26   thorpej 
    219  1.26   thorpej 	if (isr & LE_C0_TINT)
    220  1.26   thorpej 		if (inledcontrol == 0)
    221  1.26   thorpej 			ledcontrol(0, 0, LED_LANXMT);
    222  1.26   thorpej #endif /* USELEDS */
    223  1.26   thorpej 
    224  1.26   thorpej 	return (leintr(sc));
    225  1.26   thorpej }
    226  1.26   thorpej 
    227  1.24   mycroft #include <dev/ic/am7990.c>
    228