272 lines
6.8 KiB
C
272 lines
6.8 KiB
C
/* $NetBSD: if_sn_nubus.c,v 1.15 1997/06/26 21:08:10 scottr Exp $ */
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/*
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* Copyright (C) 1997 Allen Briggs
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* All rights reserved.
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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 Allen Briggs
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/syslog.h>
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#include <sys/systm.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#if 0 /* XXX this shouldn't be necessary; else reinsert */
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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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#endif
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#include <machine/bus.h>
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#include <machine/viareg.h>
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#include "nubus.h"
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#include "if_snreg.h"
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#include "if_snvar.h"
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static int sn_nubus_match __P((struct device *, struct cfdata *, void *));
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static void sn_nubus_attach __P((struct device *, struct device *, void *));
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static int sn_nb_card_vendor __P((bus_space_tag_t, bus_space_handle_t,
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struct nubus_attach_args *));
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struct cfattach sn_nubus_ca = {
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sizeof(struct sn_softc), sn_nubus_match, sn_nubus_attach
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};
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static int
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sn_nubus_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct nubus_attach_args *na = (struct nubus_attach_args *) aux;
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bus_space_handle_t bsh;
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int rv;
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if (bus_space_map(na->na_tag,
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NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh))
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return (0);
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rv = 0;
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if (na->category == NUBUS_CATEGORY_NETWORK &&
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na->type == NUBUS_TYPE_ETHERNET) {
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switch (sn_nb_card_vendor(na->na_tag, bsh, na)) {
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default:
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break;
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case SN_VENDOR_APPLE:
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case SN_VENDOR_APPLE16:
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case SN_VENDOR_DAYNA:
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rv = 1;
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break;
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}
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}
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bus_space_unmap(na->na_tag, bsh, NBMEMSIZE);
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return rv;
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}
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/*
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* Install interface into kernel networking data structures
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*/
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static void
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sn_nubus_attach(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 sn_softc *sc = (void *)self;
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struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
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int i, success, offset;
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bus_space_tag_t bst;
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bus_space_handle_t bsh, tmp_bsh;
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u_int8_t myaddr[ETHER_ADDR_LEN];
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(void)(&offset); /* Work around lame gcc initialization bug */
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bst = na->na_tag;
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if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) {
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printf(": failed to map memory space.\n");
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return;
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}
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sc->sc_regt = bst;
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success = 0;
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sc->slotno = na->slot;
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switch (sn_nb_card_vendor(bst, bsh, na)) {
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case SN_VENDOR_DAYNA:
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sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 |
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DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16;
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sc->snr_dcr2 = 0;
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sc->bitmode = 1; /* 32 bit card */
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if (bus_space_subregion(bst, bsh,
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0x00180000, SN_REGSIZE, &sc->sc_regh)) {
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printf(": failed to map register space.\n");
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break;
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}
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if (bus_space_subregion(bst, bsh,
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0x00ffe004, ETHER_ADDR_LEN, &tmp_bsh)) {
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printf(": failed to map ROM space.\n");
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break;
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}
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sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
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offset = 2;
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success = 1;
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break;
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case SN_VENDOR_APPLE:
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sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 |
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DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16;
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sc->snr_dcr2 = 0;
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sc->bitmode = 1; /* 32 bit card */
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if (bus_space_subregion(bst, bsh,
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0x0, SN_REGSIZE, &sc->sc_regh)) {
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printf(": failed to map register space.\n");
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break;
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}
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if (bus_space_subregion(bst, bsh,
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0x40000, ETHER_ADDR_LEN, &tmp_bsh)) {
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printf(": failed to map ROM space.\n");
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break;
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}
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sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
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offset = 0;
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success = 1;
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break;
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case SN_VENDOR_APPLE16:
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sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_EXBUS |
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DCR_DMABLOCK | DCR_PO1 | DCR_RFT16 | DCR_TFT16;
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sc->snr_dcr2 = 0;
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sc->bitmode = 0; /* 16 bit card */
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if (bus_space_subregion(bst, bsh,
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0x0, SN_REGSIZE, &sc->sc_regh)) {
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printf(": failed to map register space.\n");
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break;
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}
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if (bus_space_subregion(bst, bsh,
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0x40000, ETHER_ADDR_LEN, &tmp_bsh)) {
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printf(": failed to map ROM space.\n");
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break;
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}
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sn_get_enaddr(bst, tmp_bsh, 0, myaddr);
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offset = 0;
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success = 1;
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break;
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default:
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/*
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* You can't actually get this default, the snmatch
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* will fail for unknown hardware. If you're adding support
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* for a new card, the following defaults are a
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* good starting point.
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*/
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sc->snr_dcr = DCR_SYNC | DCR_WAIT0 | DCR_DW32 |
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DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16;
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sc->snr_dcr2 = 0;
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success = 0;
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printf(": unknown card: attachment incomplete.\n");
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}
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if (!success) {
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bus_space_unmap(bst, bsh, NBMEMSIZE);
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return;
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}
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/* Regs are addressed as words, big endian. */
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for (i = 0; i < SN_NREGS; i++) {
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sc->sc_reg_map[i] = (bus_size_t)((i * 4) + offset);
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}
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/* snsetup returns 1 if something fails */
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if (snsetup(sc, myaddr)) {
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bus_space_unmap(bst, bsh, NBMEMSIZE);
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return;
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}
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add_nubus_intr(sc->slotno, snintr, (void *)sc);
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return;
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}
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static int
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sn_nb_card_vendor(bst, bsh, na)
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bus_space_tag_t bst;
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bus_space_handle_t bsh;
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struct nubus_attach_args *na;
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{
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int vendor = SN_VENDOR_UNKNOWN;
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switch (na->drsw) {
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case NUBUS_DRSW_3COM:
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if (na->drhw == NUBUS_DRHW_APPLE_SN)
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vendor = SN_VENDOR_APPLE;
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else if (na->drhw == NUBUS_DRHW_APPLE_SNT)
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vendor = SN_VENDOR_APPLE16;
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break;
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case NUBUS_DRSW_APPLE:
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case NUBUS_DRSW_TECHWORKS:
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vendor = SN_VENDOR_APPLE;
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break;
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case NUBUS_DRSW_GATOR:
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if (na->drhw == NUBUS_DRHW_KINETICS &&
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strncmp(nubus_get_card_name(bst, bsh, na->fmt),
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"EtherPort", 9) != 0)
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vendor = SN_VENDOR_DAYNA;
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break;
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case NUBUS_DRSW_DAYNA:
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vendor = SN_VENDOR_DAYNA;
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break;
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}
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return vendor;
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}
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