fc38d3f3ac
be toggled in WE_MEM_{ENABLE|DISABLE} when receiving or transmitting packets.
Use this to switch the toggle off for MCA cards, since it causes NIC resets
there.
Fixes PR kern/26895 by Dave Barnes.
542 lines
14 KiB
C
542 lines
14 KiB
C
/* $NetBSD: if_we_isa.c,v 1.12 2005/04/03 10:56:59 jdolecek Exp $ */
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/*-
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* Copyright (c) 1997, 1998 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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* Device driver for National Semiconductor DS8390/WD83C690 based ethernet
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* adapters.
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*
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* Copyright (c) 1994, 1995 Charles M. Hannum. All rights reserved.
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*
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* Copyright (C) 1993, David Greenman. This software may be used, modified,
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* copied, distributed, and sold, in both source and binary form provided that
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* the above copyright and these terms are retained. Under no circumstances is
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* the author responsible for the proper functioning of this software, nor does
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* the author assume any responsibility for damages incurred with its use.
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*/
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/*
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* Device driver for the Western Digital/SMC 8003 and 8013 series,
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* and the SMC Elite Ultra (8216).
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_we_isa.c,v 1.12 2005/04/03 10:56:59 jdolecek Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/socket.h>
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#include <sys/mbuf.h>
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#include <sys/syslog.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_types.h>
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#include <net/if_media.h>
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#include <net/if_ether.h>
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#include <machine/bus.h>
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#include <machine/bswap.h>
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#include <machine/intr.h>
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#include <dev/isa/isareg.h>
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#include <dev/isa/isavar.h>
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#include <dev/ic/dp8390reg.h>
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#include <dev/ic/dp8390var.h>
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#include <dev/ic/wereg.h>
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#include <dev/ic/wevar.h>
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#ifndef __BUS_SPACE_HAS_STREAM_METHODS
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#define bus_space_read_region_stream_2 bus_space_read_region_2
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#define bus_space_write_stream_2 bus_space_write_2
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#define bus_space_write_region_stream_2 bus_space_write_region_2
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#endif
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int we_isa_probe(struct device *, struct cfdata *, void *);
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void we_isa_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(we_isa, sizeof(struct we_softc),
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we_isa_probe, we_isa_attach, NULL, NULL);
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extern struct cfdriver we_cd;
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static const char *we_params(bus_space_tag_t, bus_space_handle_t,
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u_int8_t *, bus_size_t *, u_int8_t *, int *);
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static const int we_584_irq[] = {
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9, 3, 5, 7, 10, 11, 15, 4,
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};
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#define NWE_584_IRQ (sizeof(we_584_irq) / sizeof(we_584_irq[0]))
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static const int we_790_irq[] = {
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ISA_UNKNOWN_IRQ, 9, 3, 5, 7, 10, 11, 15,
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};
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#define NWE_790_IRQ (sizeof(we_790_irq) / sizeof(we_790_irq[0]))
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/*
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* Delay needed when switching 16-bit access to shared memory.
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*/
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#define WE_DELAY(wsc) delay(3)
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/*
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* Enable card RAM, and 16-bit access.
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*/
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#define WE_MEM_ENABLE(wsc) \
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do { \
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if ((wsc)->sc_16bitp) \
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bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \
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WE_LAAR, (wsc)->sc_laar_proto | WE_LAAR_M16EN); \
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bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \
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WE_MSR, wsc->sc_msr_proto | WE_MSR_MENB); \
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WE_DELAY((wsc)); \
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} while (0)
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/*
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* Disable card RAM, and 16-bit access.
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*/
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#define WE_MEM_DISABLE(wsc) \
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do { \
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bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \
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WE_MSR, (wsc)->sc_msr_proto); \
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if ((wsc)->sc_16bitp) \
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bus_space_write_1((wsc)->sc_asict, (wsc)->sc_asich, \
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WE_LAAR, (wsc)->sc_laar_proto); \
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WE_DELAY((wsc)); \
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} while (0)
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int
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we_isa_probe(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 isa_attach_args *ia = aux;
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bus_space_tag_t asict, memt;
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bus_space_handle_t asich, memh;
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bus_size_t memsize;
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int asich_valid, memh_valid;
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int i, is790, rv = 0;
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u_int8_t x, type;
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asict = ia->ia_iot;
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memt = ia->ia_memt;
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asich_valid = memh_valid = 0;
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if (ia->ia_nio < 1)
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return (0);
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if (ia->ia_niomem < 1)
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return (0);
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if (ia->ia_nirq < 1)
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return (0);
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if (ISA_DIRECT_CONFIG(ia))
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return (0);
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/* Disallow wildcarded i/o addresses. */
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if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT)
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return (0);
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/* Disallow wildcarded mem address. */
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if (ia->ia_iomem[0].ir_addr == ISA_UNKNOWN_IOMEM)
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return (0);
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/* Attempt to map the device. */
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if (bus_space_map(asict, ia->ia_io[0].ir_addr, WE_NPORTS, 0, &asich))
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goto out;
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asich_valid = 1;
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#ifdef TOSH_ETHER
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bus_space_write_1(asict, asich, WE_MSR, WE_MSR_POW);
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#endif
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/*
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* Attempt to do a checksum over the station address PROM.
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* If it fails, it's probably not a WD/SMC board. There is
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* a problem with this, though. Some clone WD8003E boards
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* (e.g. Danpex) won't pass the checksum. In this case,
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* the checksum byte always seems to be 0.
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*/
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for (x = 0, i = 0; i < 8; i++)
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x += bus_space_read_1(asict, asich, WE_PROM + i);
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if (x != WE_ROM_CHECKSUM_TOTAL) {
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/* Make sure it's an 8003E clone... */
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if (bus_space_read_1(asict, asich, WE_CARD_ID) !=
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WE_TYPE_WD8003E)
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goto out;
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/* Check the checksum byte. */
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if (bus_space_read_1(asict, asich, WE_PROM + 7) != 0)
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goto out;
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}
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/*
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* Reset the card to force it into a known state.
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*/
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#ifdef TOSH_ETHER
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bus_space_write_1(asict, asich, WE_MSR, WE_MSR_RST | WE_MSR_POW);
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#else
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bus_space_write_1(asict, asich, WE_MSR, WE_MSR_RST);
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#endif
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delay(100);
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bus_space_write_1(asict, asich, WE_MSR,
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bus_space_read_1(asict, asich, WE_MSR) & ~WE_MSR_RST);
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/* Wait in case the card is reading it's EEPROM. */
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delay(5000);
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/*
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* Get parameters.
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*/
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if (we_params(asict, asich, &type, &memsize, NULL, &is790) == NULL)
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goto out;
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/* Allow user to override probed value. */
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if (ia->ia_iomem[0].ir_size)
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memsize = ia->ia_iomem[0].ir_size;
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/* Attempt to map the memory space. */
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if (bus_space_map(memt, ia->ia_iomem[0].ir_addr, memsize, 0, &memh))
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goto out;
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memh_valid = 1;
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/*
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* If possible, get the assigned interrupt number from the card
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* and use it.
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*/
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if (is790) {
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u_int8_t hwr;
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/* Assemble together the encoded interrupt number. */
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hwr = bus_space_read_1(asict, asich, WE790_HWR);
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bus_space_write_1(asict, asich, WE790_HWR,
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hwr | WE790_HWR_SWH);
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x = bus_space_read_1(asict, asich, WE790_GCR);
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i = ((x & WE790_GCR_IR2) >> 4) |
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((x & (WE790_GCR_IR1|WE790_GCR_IR0)) >> 2);
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bus_space_write_1(asict, asich, WE790_HWR,
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hwr & ~WE790_HWR_SWH);
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if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ &&
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ia->ia_irq[0].ir_irq != we_790_irq[i])
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printf("%s%d: overriding configured IRQ %d to %d\n",
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we_cd.cd_name, cf->cf_unit, ia->ia_irq[0].ir_irq,
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we_790_irq[i]);
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ia->ia_irq[0].ir_irq = we_790_irq[i];
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} else if (type & WE_SOFTCONFIG) {
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/* Assemble together the encoded interrupt number. */
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i = (bus_space_read_1(asict, asich, WE_ICR) & WE_ICR_IR2) |
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((bus_space_read_1(asict, asich, WE_IRR) &
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(WE_IRR_IR0 | WE_IRR_IR1)) >> 5);
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if (ia->ia_irq[0].ir_irq != ISA_UNKNOWN_IRQ &&
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ia->ia_irq[0].ir_irq != we_584_irq[i])
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printf("%s%d: overriding configured IRQ %d to %d\n",
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we_cd.cd_name, cf->cf_unit, ia->ia_irq[0].ir_irq,
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we_584_irq[i]);
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ia->ia_irq[0].ir_irq = we_584_irq[i];
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}
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/* So, we say we've found it! */
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ia->ia_nio = 1;
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ia->ia_io[0].ir_size = WE_NPORTS;
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ia->ia_niomem = 1;
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ia->ia_iomem[0].ir_size = memsize;
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ia->ia_nirq = 1;
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ia->ia_ndrq = 0;
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rv = 1;
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out:
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if (asich_valid)
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bus_space_unmap(asict, asich, WE_NPORTS);
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if (memh_valid)
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bus_space_unmap(memt, memh, memsize);
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return (rv);
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}
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void
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we_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 we_softc *wsc = (struct we_softc *)self;
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struct dp8390_softc *sc = &wsc->sc_dp8390;
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struct isa_attach_args *ia = aux;
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bus_space_tag_t nict, asict, memt;
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bus_space_handle_t nich, asich, memh;
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const char *typestr;
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printf("\n");
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nict = asict = ia->ia_iot;
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memt = ia->ia_memt;
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/* Map the device. */
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if (bus_space_map(asict, ia->ia_io[0].ir_addr, WE_NPORTS, 0, &asich)) {
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printf("%s: can't map nic i/o space\n",
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sc->sc_dev.dv_xname);
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return;
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}
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if (bus_space_subregion(asict, asich, WE_NIC_OFFSET, WE_NIC_NPORTS,
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&nich)) {
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printf("%s: can't subregion i/o space\n",
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sc->sc_dev.dv_xname);
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return;
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}
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typestr = we_params(asict, asich, &wsc->sc_type, NULL,
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&wsc->sc_flags, &sc->is790);
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if (typestr == NULL) {
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printf("%s: where did the card go?\n", sc->sc_dev.dv_xname);
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return;
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}
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/*
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* Map memory space. Note we use the size that might have
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* been overridden by the user.
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*/
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if (bus_space_map(memt, ia->ia_iomem[0].ir_addr,
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ia->ia_iomem[0].ir_size, 0, &memh)) {
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printf("%s: can't map shared memory\n",
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sc->sc_dev.dv_xname);
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return;
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}
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wsc->sc_asict = asict;
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wsc->sc_asich = asich;
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sc->sc_regt = nict;
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sc->sc_regh = nich;
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sc->sc_buft = memt;
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sc->sc_bufh = memh;
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wsc->sc_maddr = ia->ia_iomem[0].ir_addr;
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sc->mem_size = ia->ia_iomem[0].ir_size;
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/* Interface is always enabled. */
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sc->sc_enabled = 1;
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if (we_config(self, wsc, typestr))
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return;
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/*
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* Enable the configured interrupt.
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*/
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if (sc->is790)
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bus_space_write_1(asict, asich, WE790_ICR,
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bus_space_read_1(asict, asich, WE790_ICR) |
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WE790_ICR_EIL);
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else if (wsc->sc_type & WE_SOFTCONFIG)
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bus_space_write_1(asict, asich, WE_IRR,
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bus_space_read_1(asict, asich, WE_IRR) | WE_IRR_IEN);
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else if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) {
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printf("%s: can't wildcard IRQ on a %s\n",
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sc->sc_dev.dv_xname, typestr);
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return;
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}
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/* Establish interrupt handler. */
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wsc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
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IST_EDGE, IPL_NET, dp8390_intr, sc);
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if (wsc->sc_ih == NULL)
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printf("%s: can't establish interrupt\n", sc->sc_dev.dv_xname);
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}
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static const char *
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we_params(asict, asich, typep, memsizep, flagp, is790p)
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bus_space_tag_t asict;
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bus_space_handle_t asich;
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u_int8_t *typep, *flagp;
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bus_size_t *memsizep;
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int *is790p;
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{
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const char *typestr;
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bus_size_t memsize;
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int is16bit, is790;
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u_int8_t type;
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memsize = 8192;
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is16bit = is790 = 0;
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type = bus_space_read_1(asict, asich, WE_CARD_ID);
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switch (type) {
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case WE_TYPE_WD8003S:
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typestr = "WD8003S";
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break;
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case WE_TYPE_WD8003E:
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typestr = "WD8003E";
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break;
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case WE_TYPE_WD8003EB:
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typestr = "WD8003EB";
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break;
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case WE_TYPE_WD8003W:
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typestr = "WD8003W";
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break;
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case WE_TYPE_WD8013EBT:
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typestr = "WD8013EBT";
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memsize = 16384;
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is16bit = 1;
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break;
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case WE_TYPE_WD8013W:
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typestr = "WD8013W";
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memsize = 16384;
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is16bit = 1;
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break;
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case WE_TYPE_WD8013EP: /* also WD8003EP */
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if (bus_space_read_1(asict, asich, WE_ICR) & WE_ICR_16BIT) {
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is16bit = 1;
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memsize = 16384;
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typestr = "WD8013EP";
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} else
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typestr = "WD8003EP";
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break;
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case WE_TYPE_WD8013WC:
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typestr = "WD8013WC";
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memsize = 16384;
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is16bit = 1;
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break;
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case WE_TYPE_WD8013EBP:
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typestr = "WD8013EBP";
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memsize = 16384;
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is16bit = 1;
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break;
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case WE_TYPE_WD8013EPC:
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typestr = "WD8013EPC";
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memsize = 16384;
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is16bit = 1;
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break;
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case WE_TYPE_SMC8216C:
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case WE_TYPE_SMC8216T:
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{
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u_int8_t hwr;
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typestr = (type == WE_TYPE_SMC8216C) ?
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"SMC8216/SMC8216C" : "SMC8216T";
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hwr = bus_space_read_1(asict, asich, WE790_HWR);
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|
bus_space_write_1(asict, asich, WE790_HWR,
|
|
hwr | WE790_HWR_SWH);
|
|
switch (bus_space_read_1(asict, asich, WE790_RAR) &
|
|
WE790_RAR_SZ64) {
|
|
case WE790_RAR_SZ64:
|
|
memsize = 65536;
|
|
break;
|
|
case WE790_RAR_SZ32:
|
|
memsize = 32768;
|
|
break;
|
|
case WE790_RAR_SZ16:
|
|
memsize = 16384;
|
|
break;
|
|
case WE790_RAR_SZ8:
|
|
/* 8216 has 16K shared mem -- 8416 has 8K */
|
|
typestr = (type == WE_TYPE_SMC8216C) ?
|
|
"SMC8416C/SMC8416BT" : "SMC8416T";
|
|
memsize = 8192;
|
|
break;
|
|
}
|
|
bus_space_write_1(asict, asich, WE790_HWR, hwr);
|
|
|
|
is16bit = 1;
|
|
is790 = 1;
|
|
break;
|
|
}
|
|
#ifdef TOSH_ETHER
|
|
case WE_TYPE_TOSHIBA1:
|
|
typestr = "Toshiba1";
|
|
memsize = 32768;
|
|
is16bit = 1;
|
|
break;
|
|
case WE_TYPE_TOSHIBA4:
|
|
typestr = "Toshiba4";
|
|
memsize = 32768;
|
|
is16bit = 1;
|
|
break;
|
|
#endif
|
|
default:
|
|
/* Not one we recognize. */
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Make some adjustments to initial values depending on what is
|
|
* found in the ICR.
|
|
*/
|
|
if (is16bit && (type != WE_TYPE_WD8013EBT) &&
|
|
#ifdef TOSH_ETHER
|
|
(type != WE_TYPE_TOSHIBA1 && type != WE_TYPE_TOSHIBA4) &&
|
|
#endif
|
|
(bus_space_read_1(asict, asich, WE_ICR) & WE_ICR_16BIT) == 0) {
|
|
is16bit = 0;
|
|
memsize = 8192;
|
|
}
|
|
|
|
#ifdef WE_DEBUG
|
|
{
|
|
int i;
|
|
|
|
printf("we_params: type = 0x%x, typestr = %s, is16bit = %d, "
|
|
"memsize = %d\n", type, typestr, is16bit, memsize);
|
|
for (i = 0; i < 8; i++)
|
|
printf(" %d -> 0x%x\n", i,
|
|
bus_space_read_1(asict, asich, i));
|
|
}
|
|
#endif
|
|
|
|
if (typep != NULL)
|
|
*typep = type;
|
|
if (memsizep != NULL)
|
|
*memsizep = memsize;
|
|
if (flagp != NULL && is16bit)
|
|
*flagp |= WE_16BIT_ENABLE;
|
|
if (is790p != NULL)
|
|
*is790p = is790;
|
|
return (typestr);
|
|
}
|