314 lines
9.6 KiB
C
314 lines
9.6 KiB
C
/* $NetBSD: if_we_mca.c,v 1.21 2008/04/28 20:23:53 martin Exp $ */
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/*-
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* Copyright (c) 1997, 1998, 2001 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, and Jaromir Dolecek.
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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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*
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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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* Currently only tested with WD8003W/A and EtherCard PLUS Elite 10T/A
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* (8013WP/A). Other WD8003 and SMC Elite based cards should work
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* without problems too.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_we_mca.c,v 1.21 2008/04/28 20:23:53 martin 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 <net/if.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 <sys/bus.h>
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#include <dev/mca/mcareg.h>
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#include <dev/mca/mcavar.h>
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#include <dev/mca/mcadevs.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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#define WD_8003 0x01
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#define WD_ELITE 0x02
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int we_mca_probe(device_t, cfdata_t , void *);
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void we_mca_attach(device_t, device_t, void *);
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void we_mca_init_hook(struct we_softc *);
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CFATTACH_DECL_NEW(we_mca, sizeof(struct we_softc),
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we_mca_probe, we_mca_attach, NULL, NULL);
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/*
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* The types for some cards may not be correct; hopefully it's close
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* enough.
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*/
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static const struct we_mca_product {
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u_int32_t we_id;
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const char *we_name;
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int we_flag;
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int we_type;
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const char *we_typestr;
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} we_mca_products[] = {
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{ MCA_PRODUCT_WD_8013EP, "EtherCard PLUS Elite/A (8013EP/A)",
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WD_ELITE, WE_TYPE_WD8013EP, "WD8013EP/A" },
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{ MCA_PRODUCT_WD_8013WP, "EtherCard PLUS Elite 10T/A (8013WP/A)",
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WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A" },
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{ MCA_PRODUCT_IBM_WD_2,"IBM PS/2 Adapter/A for Ethernet Networks (UTP)",
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WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A"},
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{ MCA_PRODUCT_IBM_WD_T,"IBM PS/2 Adapter/A for Ethernet Networks (BNC)",
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WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A"},
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{ MCA_PRODUCT_WD_8003E, "WD EtherCard PLUS/A (WD8003E/A or WD8003ET/A)",
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WD_8003, WE_TYPE_WD8003E, "WD8003E/A or WD8003ET/A" },
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{ MCA_PRODUCT_WD_8003ST,"WD StarCard PLUS/A (WD8003ST/A)",
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WD_8003, WE_TYPE_WD8003W, "WD8003ST/A" }, /* XXX */
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{ MCA_PRODUCT_WD_8003W, "WD EtherCard PLUS 10T/A (WD8003W/A)",
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WD_8003, WE_TYPE_WD8003W, "WD8003W/A" },
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{ MCA_PRODUCT_IBM_WD_O, "IBM PS/2 Adapter/A for Ethernet Networks",
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WD_8003, WE_TYPE_WD8003W, "IBM PS/2 Adapter/A" },
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{ 0x0000, NULL,
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0, 0, NULL },
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};
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/* see POS description in we_mca_attach() */
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static const int we_mca_irq[] = {
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3, 4, 10, 15,
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};
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static const struct we_mca_product *we_mca_lookup(int);
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static const struct we_mca_product *
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we_mca_lookup(int id)
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{
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const struct we_mca_product *wep;
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for(wep = we_mca_products; wep->we_name; wep++)
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if (wep->we_id == id)
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return (wep);
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return (NULL);
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}
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int
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we_mca_probe(device_t parent, cfdata_t cf, void *aux)
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{
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struct mca_attach_args *ma = aux;
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return (we_mca_lookup(ma->ma_id) != NULL);
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}
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void
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we_mca_attach(device_t parent, device_t self, void *aux)
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{
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struct we_softc *wsc = device_private(self);
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struct dp8390_softc *sc = &wsc->sc_dp8390;
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struct mca_attach_args *ma = aux;
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const struct we_mca_product *wep;
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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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int irq, iobase, maddr;
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int pos2, pos3, pos5;
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sc->sc_dev = self;
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pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2);
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pos3 = mca_conf_read(ma->ma_mc, ma->ma_slot, 3);
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pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5);
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/*
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* POS registers differ a lot between 8003 and 8013, so they are
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* divided to two sections.
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*
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* 8003: POS register 2: (adf pos0)
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* 7 6 5 4 3 2 1 0
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* 0 0 1 \_____/ \__ enable: 0=adapter disabled, 1=adapter enabled
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* \____ Adapter I/O Space: 0x200-0x21F + XX*0x20
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*
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* 8003: POS register 3: (adf pos1)
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* 7 6 5 4 3 2 1 0
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* 1 1 0 \___/ 1 X
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* \______ Shared Ram Space (16K Bytes):
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* 0xC0000-0xC3FFF + XX * 0x4000
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*
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* 8003: POS register 5: (adf pos3)
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* 7 6 5 4 3 2 1 0
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* \_/
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* \__ Interrupt Level: 00=3 01=4 10=10 11=15
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*
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* -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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*
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* 8013: POS register 2: (adf pos0)
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* 7 6 5 4 3 2 1 0
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* \____/ \__ enable: 0=adapter disabled, 1=adapter enabled
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* \___________ Adapter I/O Space: 0x0800-0x081F + XX * 0x1000
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*
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* 8013: POS register 3: (adf pos1)
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* 7 6 5 4 3 2 1 0
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* | X 0 | \_____/
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* | | \__ Shared RAM Base Address
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* | | 0xc0000 + ((xx & 0x0f) * 0x2000)
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* | \____________ Ram size: 0 = 8k, 1 = 16k
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* | some size and address combinations are
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* | not supported, varies by card :(
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* \__________________ If set, add 0xf00000 to shared RAM base addr
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* puts shared RAM near top of 16MB address space
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*
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* 8013: POS register 5: (adf pos3)
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* 7 6 5 4 3 2 1 0
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* \_/ \_/
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* \ \__ Media Select: 00=TwPr (no link) 10=BNC
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* \ 01=AUI|AUI or 10BaseT
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* \____ Interrupt Level: 00=3 01=4 10=10 11=14
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*/
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wep = we_mca_lookup(ma->ma_id);
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#ifdef DIAGNOSTIC
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if (wep == NULL) {
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aprint_error("\n%s: where did the card go?\n",
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device_xname(self));
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return;
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}
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#endif
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if (wep->we_flag & WD_8003) {
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/* WD8003 based */
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iobase = 0x200 + (((pos2 & 0x0e) >> 1) * 0x020);
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maddr = 0xC0000 + (((pos3 & 0x1c) >> 2) * 0x04000);
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irq = we_mca_irq[(pos5 & 0x03)];
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sc->mem_size = 16384;
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} else {
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/* SMC Elite */
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iobase = 0x800 + (((pos2 & 0xf0) >> 4) * 0x1000);
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maddr = 0xC0000 + ((pos3 & 0x0f) * 0x2000)
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+ ((pos3 & 0x80) ? 0xF00000 : 0);
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irq = we_mca_irq[(pos5 & 0x0c) >> 2];
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sc->mem_size = (pos3 & 0x10) ? 16384 : 8192;
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}
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nict = asict = ma->ma_iot;
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memt = ma->ma_memt;
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aprint_normal(" slot %d port %#x-%#x mem %#x-%#x irq %d: %s\n",
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ma->ma_slot + 1,
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iobase, iobase + WE_NPORTS - 1,
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maddr, maddr + sc->mem_size - 1,
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irq, wep->we_name);
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/* Map the device. */
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if (bus_space_map(asict, iobase, WE_NPORTS, 0, &asich)) {
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aprint_error_dev(self, "can't map nic i/o space\n");
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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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aprint_error_dev(self, "can't subregion i/o space\n");
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return;
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}
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wsc->sc_type = wep->we_type;
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/* all cards we support are 16bit native (no need for reset) */
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wsc->sc_flags = WE_16BIT_ENABLE|WE_16BIT_NOTOGGLE;
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sc->is790 = 0;
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typestr = wep->we_typestr;
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/*
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* Map memory space.
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*/
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if (bus_space_map(memt, maddr, sc->mem_size, 0, &memh)) {
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aprint_error_dev(self, "can't map shared memory %#x-%#x\n",
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maddr, maddr + sc->mem_size - 1);
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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 = maddr;
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/* Interface is always enabled. */
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sc->sc_enabled = 1;
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wsc->sc_init_hook = we_mca_init_hook;
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if (we_config(self, wsc, typestr))
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return;
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/* Map and establish the interrupt. */
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wsc->sc_ih = mca_intr_establish(ma->ma_mc, irq,
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IPL_NET, dp8390_intr, sc);
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if (wsc->sc_ih == NULL) {
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aprint_error_dev(self, "can't establish interrupt\n");
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return;
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}
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}
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void
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we_mca_init_hook(struct we_softc *wsc)
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{
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/*
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* This quirk really needs to be here, at least for WD8003W/A. Without
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* this, the card doesn't send any interrupts in 16bit mode. The quirk
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* was taken from Linux smc-mca.c driver.
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* I do not know why it's necessary. I don't want to know. It works
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* and that is enough for me.
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*/
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bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR, 0x04);
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wsc->sc_laar_proto |= 0x04;
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}
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