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if_le.c revision 1.28
      1  1.28   thorpej /*	$NetBSD: if_le.c,v 1.28 2003/04/02 02:19:29 thorpej Exp $	*/
      2  1.18   mycroft 
      3  1.18   mycroft /*-
      4  1.18   mycroft  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  1.18   mycroft  * All rights reserved.
      6  1.18   mycroft  *
      7  1.18   mycroft  * This code is derived from software contributed to The NetBSD Foundation
      8  1.18   mycroft  * by Charles M. Hannum.
      9  1.18   mycroft  *
     10  1.18   mycroft  * Redistribution and use in source and binary forms, with or without
     11  1.18   mycroft  * modification, are permitted provided that the following conditions
     12  1.18   mycroft  * are met:
     13  1.18   mycroft  * 1. Redistributions of source code must retain the above copyright
     14  1.18   mycroft  *    notice, this list of conditions and the following disclaimer.
     15  1.18   mycroft  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.18   mycroft  *    notice, this list of conditions and the following disclaimer in the
     17  1.18   mycroft  *    documentation and/or other materials provided with the distribution.
     18  1.18   mycroft  * 3. All advertising materials mentioning features or use of this software
     19  1.18   mycroft  *    must display the following acknowledgement:
     20  1.18   mycroft  *        This product includes software developed by the NetBSD
     21  1.18   mycroft  *        Foundation, Inc. and its contributors.
     22  1.18   mycroft  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.18   mycroft  *    contributors may be used to endorse or promote products derived
     24  1.18   mycroft  *    from this software without specific prior written permission.
     25  1.18   mycroft  *
     26  1.18   mycroft  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.18   mycroft  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.18   mycroft  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.18   mycroft  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.18   mycroft  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.18   mycroft  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.18   mycroft  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.18   mycroft  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.18   mycroft  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.18   mycroft  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.18   mycroft  * POSSIBILITY OF SUCH DAMAGE.
     37  1.18   mycroft  */
     38   1.1     chuck 
     39   1.1     chuck /*-
     40   1.2   mycroft  * Copyright (c) 1992, 1993
     41   1.1     chuck  *	The Regents of the University of California.  All rights reserved.
     42   1.1     chuck  *
     43   1.2   mycroft  * This code is derived from software contributed to Berkeley by
     44   1.2   mycroft  * Ralph Campbell and Rick Macklem.
     45   1.2   mycroft  *
     46   1.1     chuck  * Redistribution and use in source and binary forms, with or without
     47   1.1     chuck  * modification, are permitted provided that the following conditions
     48   1.1     chuck  * are met:
     49   1.1     chuck  * 1. Redistributions of source code must retain the above copyright
     50   1.1     chuck  *    notice, this list of conditions and the following disclaimer.
     51   1.1     chuck  * 2. Redistributions in binary form must reproduce the above copyright
     52   1.1     chuck  *    notice, this list of conditions and the following disclaimer in the
     53   1.1     chuck  *    documentation and/or other materials provided with the distribution.
     54   1.1     chuck  * 3. All advertising materials mentioning features or use of this software
     55   1.1     chuck  *    must display the following acknowledgement:
     56   1.1     chuck  *	This product includes software developed by the University of
     57   1.1     chuck  *	California, Berkeley and its contributors.
     58   1.1     chuck  * 4. Neither the name of the University nor the names of its contributors
     59   1.1     chuck  *    may be used to endorse or promote products derived from this software
     60   1.1     chuck  *    without specific prior written permission.
     61   1.1     chuck  *
     62   1.1     chuck  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     63   1.1     chuck  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     64   1.1     chuck  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     65   1.1     chuck  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     66   1.1     chuck  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     67   1.1     chuck  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     68   1.1     chuck  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     69   1.1     chuck  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     70   1.1     chuck  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     71   1.1     chuck  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     72   1.1     chuck  * SUCH DAMAGE.
     73   1.1     chuck  *
     74   1.2   mycroft  *	@(#)if_le.c	8.2 (Berkeley) 11/16/93
     75   1.1     chuck  */
     76   1.1     chuck 
     77  1.16  jonathan #include "opt_inet.h"
     78   1.1     chuck #include "bpfilter.h"
     79   1.1     chuck 
     80   1.1     chuck #include <sys/param.h>
     81   1.1     chuck #include <sys/systm.h>
     82   1.1     chuck #include <sys/mbuf.h>
     83   1.2   mycroft #include <sys/syslog.h>
     84   1.1     chuck #include <sys/socket.h>
     85   1.2   mycroft #include <sys/device.h>
     86   1.1     chuck 
     87  1.28   thorpej #include <uvm/uvm_extern.h>
     88  1.28   thorpej 
     89   1.1     chuck #include <net/if.h>
     90  1.12        is #include <net/if_ether.h>
     91  1.13   thorpej #include <net/if_media.h>
     92   1.1     chuck 
     93   1.1     chuck #ifdef INET
     94   1.1     chuck #include <netinet/in.h>
     95  1.12        is #include <netinet/if_inarp.h>
     96   1.1     chuck #endif
     97   1.1     chuck 
     98  1.10     chuck #include <machine/autoconf.h>
     99   1.1     chuck #include <machine/cpu.h>
    100  1.21       scw #include <machine/bus.h>
    101   1.1     chuck 
    102   1.2   mycroft #include <mvme68k/dev/pccreg.h>
    103   1.7     chuck #include <mvme68k/dev/pccvar.h>
    104   1.7     chuck 
    105  1.17  drochner #include <dev/ic/lancereg.h>
    106  1.17  drochner #include <dev/ic/lancevar.h>
    107   1.2   mycroft #include <dev/ic/am7990reg.h>
    108   1.2   mycroft #include <dev/ic/am7990var.h>
    109   1.2   mycroft 
    110   1.8   thorpej #include <mvme68k/dev/if_lereg.h>
    111   1.8   thorpej #include <mvme68k/dev/if_levar.h>
    112   1.2   mycroft 
    113  1.20       scw 
    114  1.21       scw int le_pcc_match __P((struct device *, struct cfdata *, void *));
    115  1.21       scw void le_pcc_attach __P((struct device *, struct device *, void *));
    116   1.1     chuck 
    117  1.27   thorpej CFATTACH_DECL(le_pcc, sizeof(struct le_softc),
    118  1.27   thorpej     le_pcc_match, le_pcc_attach, NULL, NULL);
    119  1.15   thorpej 
    120  1.15   thorpej extern struct cfdriver le_cd;
    121   1.4   thorpej 
    122  1.24       mrg #if defined(_KERNEL_OPT)
    123  1.17  drochner #include "opt_ddb.h"
    124  1.17  drochner #endif
    125  1.17  drochner 
    126  1.17  drochner #ifdef DDB
    127  1.17  drochner #define hide
    128  1.17  drochner #else
    129  1.21       scw #define hide	static
    130  1.17  drochner #endif
    131  1.17  drochner 
    132  1.17  drochner hide void le_pcc_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t));
    133  1.17  drochner hide u_int16_t le_pcc_rdcsr __P((struct lance_softc *, u_int16_t));
    134   1.1     chuck 
    135   1.8   thorpej hide void
    136   1.8   thorpej le_pcc_wrcsr(sc, port, val)
    137  1.17  drochner 	struct lance_softc *sc;
    138  1.21       scw 	u_int16_t port;
    139  1.21       scw 	u_int16_t val;
    140   1.1     chuck {
    141  1.21       scw 	struct le_softc *lsc;
    142   1.1     chuck 
    143  1.21       scw 	lsc = (struct le_softc *) sc;
    144  1.21       scw 	bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port);
    145  1.21       scw 	bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP, val);
    146   1.1     chuck }
    147   1.1     chuck 
    148   1.8   thorpej hide u_int16_t
    149   1.8   thorpej le_pcc_rdcsr(sc, port)
    150  1.17  drochner 	struct lance_softc *sc;
    151   1.2   mycroft 	u_int16_t port;
    152   1.1     chuck {
    153  1.21       scw 	struct le_softc *lsc;
    154   1.1     chuck 
    155  1.21       scw 	lsc = (struct le_softc *) sc;
    156  1.21       scw 	bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port);
    157  1.21       scw 	return (bus_space_read_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP));
    158   1.1     chuck }
    159   1.1     chuck 
    160  1.21       scw /* ARGSUSED */
    161   1.1     chuck int
    162  1.14       gwr le_pcc_match(parent, cf, aux)
    163   1.2   mycroft 	struct device *parent;
    164  1.14       gwr 	struct cfdata *cf;
    165  1.14       gwr 	void *aux;
    166   1.1     chuck {
    167   1.7     chuck 	struct pcc_attach_args *pa = aux;
    168   1.7     chuck 
    169   1.7     chuck 	if (strcmp(pa->pa_name, le_cd.cd_name))
    170   1.7     chuck 		return (0);
    171   1.1     chuck 
    172   1.7     chuck 	pa->pa_ipl = cf->pcccf_ipl;
    173   1.7     chuck 	return (1);
    174   1.1     chuck }
    175   1.1     chuck 
    176  1.21       scw /* ARGSUSED */
    177   1.1     chuck void
    178   1.7     chuck le_pcc_attach(parent, self, aux)
    179  1.21       scw 	struct device *parent;
    180  1.21       scw 	struct device *self;
    181   1.2   mycroft 	void *aux;
    182   1.2   mycroft {
    183  1.21       scw 	struct le_softc *lsc;
    184  1.21       scw 	struct lance_softc *sc;
    185  1.21       scw 	struct pcc_attach_args *pa;
    186  1.21       scw 	bus_dma_segment_t seg;
    187  1.21       scw 	int rseg;
    188  1.21       scw 
    189  1.21       scw 	lsc = (struct le_softc *) self;
    190  1.21       scw 	sc = &lsc->sc_am7990.lsc;
    191  1.21       scw 	pa = aux;
    192   1.1     chuck 
    193   1.7     chuck 	/* Map control registers. */
    194  1.21       scw 	lsc->sc_bust = pa->pa_bust;
    195  1.21       scw 	bus_space_map(pa->pa_bust, pa->pa_offset, 4, 0, &lsc->sc_bush);
    196   1.1     chuck 
    197  1.21       scw 	/* Get contiguous DMA-able memory for the lance */
    198  1.28   thorpej 	if (bus_dmamem_alloc(pa->pa_dmat, ether_data_buff_size, PAGE_SIZE, 0,
    199  1.21       scw 	    &seg, 1, &rseg,
    200  1.21       scw 	    BUS_DMA_NOWAIT | BUS_DMA_ONBOARD_RAM | BUS_DMA_24BIT)) {
    201  1.21       scw 		printf("%s: Failed to allocate ether buffer\n", self->dv_xname);
    202  1.21       scw 		return;
    203  1.21       scw 	}
    204  1.21       scw 	if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, ether_data_buff_size,
    205  1.21       scw 	    (caddr_t *) & sc->sc_mem, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) {
    206  1.21       scw 		printf("%s: Failed to map ether buffer\n", self->dv_xname);
    207  1.21       scw 		bus_dmamem_free(pa->pa_dmat, &seg, rseg);
    208  1.21       scw 		return;
    209  1.21       scw 	}
    210  1.21       scw 	sc->sc_addr = seg.ds_addr;
    211  1.21       scw 	sc->sc_memsize = ether_data_buff_size;
    212   1.2   mycroft 	sc->sc_conf3 = LE_C3_BSWP;
    213   1.2   mycroft 
    214  1.23       scw 	memcpy(sc->sc_enaddr, mvme_ea, ETHER_ADDR_LEN);
    215   1.2   mycroft 
    216  1.17  drochner 	sc->sc_copytodesc = lance_copytobuf_contig;
    217  1.17  drochner 	sc->sc_copyfromdesc = lance_copyfrombuf_contig;
    218  1.17  drochner 	sc->sc_copytobuf = lance_copytobuf_contig;
    219  1.17  drochner 	sc->sc_copyfrombuf = lance_copyfrombuf_contig;
    220  1.17  drochner 	sc->sc_zerobuf = lance_zerobuf_contig;
    221   1.1     chuck 
    222   1.8   thorpej 	sc->sc_rdcsr = le_pcc_rdcsr;
    223   1.8   thorpej 	sc->sc_wrcsr = le_pcc_wrcsr;
    224   1.8   thorpej 	sc->sc_hwinit = NULL;
    225   1.1     chuck 
    226  1.21       scw 	am7990_config(&lsc->sc_am7990);
    227   1.8   thorpej 
    228  1.25       scw 	evcnt_attach_dynamic(&lsc->sc_evcnt, EVCNT_TYPE_INTR,
    229  1.25       scw 	    pccintr_evcnt(pa->pa_ipl), "ether", sc->sc_dev.dv_xname);
    230  1.25       scw 
    231  1.25       scw 	pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc, &lsc->sc_evcnt);
    232  1.21       scw 
    233  1.21       scw 	pcc_reg_write(sys_pcc, PCCREG_LANCE_INTR_CTRL,
    234  1.21       scw 	    pa->pa_ipl | PCC_IENABLE);
    235   1.1     chuck }
    236