5c6445bc0d
Instead, print a diagnostic and return. (Some drivers do this already.) Also, normalize the diagnostic message, and fix some places where the printfs were getting ugly.
361 lines
10 KiB
C
361 lines
10 KiB
C
/* $NetBSD: if_ep_isa.c,v 1.19 1997/10/20 18:43:12 thorpej Exp $ */
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/*-
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* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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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 the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org>
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* Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
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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 Herb Peyerl.
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* 4. The name of Herb Peyerl 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 "bpfilter.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <sys/errno.h>
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#include <sys/syslog.h>
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#include <sys/select.h>
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#include <sys/device.h>
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#include <sys/queue.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/in_var.h>
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#include <netinet/ip.h>
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#include <netinet/if_inarp.h>
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#endif
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#ifdef NS
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#include <netns/ns.h>
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#include <netns/ns_if.h>
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#endif
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#if NBPFILTER > 0
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#include <net/bpf.h>
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#include <net/bpfdesc.h>
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#endif
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#include <machine/cpu.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/ic/elink3var.h>
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#include <dev/ic/elink3reg.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/elink.h>
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#ifdef __BROKEN_INDIRECT_CONFIG
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int ep_isa_probe __P((struct device *, void *, void *));
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#else
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int ep_isa_probe __P((struct device *, struct cfdata *, void *));
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#endif
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void ep_isa_attach __P((struct device *, struct device *, void *));
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struct cfattach ep_isa_ca = {
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sizeof(struct ep_softc), ep_isa_probe, ep_isa_attach
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};
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static void epaddcard __P((int, int, int, int));
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/*
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* This keeps track of which ISAs have been through an ep probe sequence.
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* A simple static variable isn't enough, since it's conceivable that
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* a system might have more than one ISA bus.
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*
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* The "er_bus" member is the unit number of the parent ISA bus, e.g. "0"
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* for "isa0".
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*/
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struct ep_isa_done_probe {
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LIST_ENTRY(ep_isa_done_probe) er_link;
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int er_bus;
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};
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static LIST_HEAD(, ep_isa_done_probe) ep_isa_all_probes;
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static int ep_isa_probes_initialized;
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#define MAXEPCARDS 20 /* if you have more than 20, you lose */
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static struct epcard {
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int bus;
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int iobase;
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int irq;
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char available;
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long model;
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} epcards[MAXEPCARDS];
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static int nepcards;
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static void
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epaddcard(bus, iobase, irq, model)
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int bus, iobase, irq, model;
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{
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if (nepcards >= MAXEPCARDS)
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return;
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epcards[nepcards].bus = bus;
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epcards[nepcards].iobase = iobase;
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epcards[nepcards].irq = (irq == 2) ? 9 : irq;
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epcards[nepcards].model = model;
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epcards[nepcards].available = 1;
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nepcards++;
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}
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/*
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* 3c509 cards on the ISA bus are probed in ethernet address order.
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* The probe sequence requires careful orchestration, and we'd like
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* like to allow the irq and base address to be wildcarded. So, we
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* probe all the cards the first time epprobe() is called. On subsequent
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* calls we look for matching cards.
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*/
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int
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ep_isa_probe(parent, match, aux)
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struct device *parent;
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#ifdef __BROKEN_INDIRECT_CONFIG
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void *match;
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#else
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struct cfdata *match;
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#endif
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void *aux;
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{
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struct isa_attach_args *ia = aux;
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bus_space_tag_t iot = ia->ia_iot;
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bus_space_handle_t ioh, ioh2;
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int slot, iobase, irq, i;
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u_int16_t vendor, model;
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struct ep_isa_done_probe *er;
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int bus = parent->dv_unit;
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if (ep_isa_probes_initialized == 0) {
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LIST_INIT(&ep_isa_all_probes);
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ep_isa_probes_initialized = 1;
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}
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/*
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* Probe this bus if we haven't done so already.
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*/
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for (er = ep_isa_all_probes.lh_first; er != NULL;
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er = er->er_link.le_next)
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if (er->er_bus == parent->dv_unit)
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goto bus_probed;
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/*
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* Mark this bus so we don't probe it again.
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*/
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er = (struct ep_isa_done_probe *)
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malloc(sizeof(struct ep_isa_done_probe), M_DEVBUF, M_NOWAIT);
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if (er == NULL)
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panic("ep_isa_probe: can't allocate state storage");
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er->er_bus = bus;
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LIST_INSERT_HEAD(&ep_isa_all_probes, er, er_link);
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/*
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* Map the Etherlink ID port for the probe sequence.
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*/
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if (bus_space_map(iot, ELINK_ID_PORT, 1, 0, &ioh)) {
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printf("ep_isa_probe: can't map Etherlink ID port\n");
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return 0;
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}
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for (slot = 0; slot < MAXEPCARDS; slot++) {
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elink_reset(iot, ioh, parent->dv_unit);
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elink_idseq(iot, ioh, ELINK_509_POLY);
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/* Untag all the adapters so they will talk to us. */
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if (slot == 0)
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bus_space_write_1(iot, ioh, 0, TAG_ADAPTER + 0);
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vendor = htons(epreadeeprom(iot, ioh, EEPROM_MFG_ID));
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if (vendor != MFG_ID)
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continue;
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model = htons(epreadeeprom(iot, ioh, EEPROM_PROD_ID));
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/*
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* XXX: Add a new product id to check for other cards
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* (3c515?) and fix the check in ep_isa_attach.
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*/
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if ((model & 0xfff0) != PROD_ID_3C509) {
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#ifndef trusted
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printf(
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"ep_isa_probe: ignoring model %04x\n", model);
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#endif
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continue;
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}
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iobase = epreadeeprom(iot, ioh, EEPROM_ADDR_CFG);
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iobase = (iobase & 0x1f) * 0x10 + 0x200;
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irq = epreadeeprom(iot, ioh, EEPROM_RESOURCE_CFG);
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irq >>= 12;
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/* so card will not respond to contention again */
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bus_space_write_1(iot, ioh, 0, TAG_ADAPTER + 1);
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/*
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* XXX: this should probably not be done here
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* because it enables the drq/irq lines from
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* the board. Perhaps it should be done after
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* we have checked for irq/drq collisions?
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*/
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bus_space_write_1(iot, ioh, 0, ACTIVATE_ADAPTER_TO_CONFIG);
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/*
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* Don't attach a 3c509 in PnP mode.
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*/
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if ((model & 0xfff0) == PROD_ID_3C509) {
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if (bus_space_map(iot, iobase, 1, 0, &ioh2)) {
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printf(
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"ep_isa_probe: can't map Etherlink iobase\n");
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return 0;
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}
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if (bus_space_read_2(iot, ioh2, EP_W0_EEPROM_COMMAND)
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& EEPROM_TST_MODE) {
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printf(
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"3COM 3C509 Ethernet card in PnP mode\n");
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continue;
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}
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bus_space_unmap(iot, ioh2, 1);
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}
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epaddcard(bus, iobase, irq, model);
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}
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/* XXX should we sort by ethernet address? */
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bus_space_unmap(iot, ioh, 1);
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bus_probed:
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for (i = 0; i < nepcards; i++) {
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if (epcards[i].bus != bus)
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continue;
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if (epcards[i].available == 0)
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continue;
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if (ia->ia_iobase != IOBASEUNK &&
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ia->ia_iobase != epcards[i].iobase)
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continue;
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if (ia->ia_irq != IRQUNK &&
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ia->ia_irq != epcards[i].irq)
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continue;
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goto good;
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}
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return 0;
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good:
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epcards[i].available = 0;
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ia->ia_iobase = epcards[i].iobase;
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ia->ia_irq = epcards[i].irq;
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ia->ia_iosize = 0x10;
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ia->ia_msize = 0;
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ia->ia_aux = (void *)epcards[i].model;
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return 1;
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}
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void
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ep_isa_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 ep_softc *sc = (void *)self;
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struct isa_attach_args *ia = aux;
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bus_space_tag_t iot = ia->ia_iot;
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bus_space_handle_t ioh;
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int chipset;
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/* Map i/o space. */
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if (bus_space_map(iot, ia->ia_iobase, ia->ia_iosize, 0, &ioh)) {
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printf(": can't map i/o space\n");
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return;
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}
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sc->sc_iot = iot;
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sc->sc_ioh = ioh;
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sc->bustype = EP_BUS_ISA;
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sc->enable = NULL;
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sc->disable = NULL;
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sc->enabled = 1;
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chipset = (int)(long)ia->ia_aux;
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if ((chipset & 0xfff0) == PROD_ID_3C509) {
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printf(": 3Com 3C509 Ethernet\n");
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epconfig(sc, EP_CHIPSET_3C509, NULL);
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} else {
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/*
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* XXX: Maybe a 3c515, but the check in ep_isa_probe looks
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* at the moment only for a 3c509.
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*/
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printf(": unknown 3Com Ethernet card: %04x\n", chipset);
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epconfig(sc, EP_CHIPSET_UNKNOWN, NULL);
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}
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sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
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IPL_NET, epintr, sc);
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}
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