241 lines
6.3 KiB
C
241 lines
6.3 KiB
C
/* $NetBSD: if_ne_intio.c,v 1.1 2001/11/11 01:39:03 isaki Exp $ */
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/*
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* Copyright (c) 2001 Tetsuya Isaki. 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 Tetsuya Isaki.
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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,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Ethernet part of Nereid Ethernet/USB/Memory board
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*/
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#include "opt_inet.h"
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#include "opt_ns.h"
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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/select.h>
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#include <sys/device.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 BPFILTER > 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/bus.h>
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#include <machine/cpu.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/ne2000reg.h>
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#include <dev/ic/ne2000var.h>
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#include <dev/ic/rtl80x9reg.h>
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#include <dev/ic/rtl80x9var.h>
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#include <arch/x68k/dev/intiovar.h>
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#define NE_INTIO_ADDR (0xece300)
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#define NE_INTIO_INTR (0xf9)
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static int ne_intio_match(struct device *, struct cfdata *, void *);
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static void ne_intio_attach(struct device *, struct device *, void *);
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static int ne_intio_intr(void *);
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#define ne_intio_softc ne2000_softc
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struct cfattach ne_intio_ca = {
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sizeof(struct ne_intio_softc), ne_intio_match, ne_intio_attach
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};
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static int
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ne_intio_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct intio_attach_args *ia = aux;
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bus_space_tag_t iot = ia->ia_bst;
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bus_space_handle_t ioh;
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bus_space_tag_t asict;
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bus_space_handle_t asich;
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int rv = 0;
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if (ia->ia_addr == INTIOCF_ADDR_DEFAULT)
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ia->ia_addr = NE_INTIO_ADDR;
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if (ia->ia_intr == INTIOCF_INTR_DEFAULT)
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ia->ia_intr = NE_INTIO_INTR;
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/* fixed parameters */
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if (ia->ia_addr != NE_INTIO_ADDR)
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return 0;
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if (ia->ia_intr != NE_INTIO_INTR)
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return 0;
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/* Make sure this is a valid NE2000 I/O address */
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if ((ia->ia_addr & 0x1f) != 0)
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return 0;
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/* Check whether the board is inserted or not */
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if (badaddr((caddr_t)INTIO_ADDR(ia->ia_addr)))
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return 0;
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/* Map I/O space */
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if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2,
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BUS_SPACE_MAP_SHIFTED_EVEN, &ioh))
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return 0;
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asict = iot;
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if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2,
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NE2000_ASIC_NPORTS*2, &asich))
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goto out;
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/* Look for an NE2000 compatible card */
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rv = ne2000_detect(iot, ioh, asict, asich);
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out:
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bus_space_unmap(iot, ioh, NE2000_NPORTS);
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return rv;
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}
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static void
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ne_intio_attach(struct device *parent, struct device *self, void *aux)
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{
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struct ne_intio_softc *sc = (struct ne_intio_softc *)self;
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struct dp8390_softc *dsc = &sc->sc_dp8390;
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struct intio_attach_args *ia = aux;
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bus_space_tag_t iot = ia->ia_bst;
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bus_space_handle_t ioh;
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bus_space_tag_t asict;
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bus_space_handle_t asich;
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const char *typestr;
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int netype;
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printf(": Nereid Ethernet\n");
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/* Map I/O space */
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if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2,
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BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)){
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printf("%s: can't map I/O space\n", dsc->sc_dev.dv_xname);
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return;
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}
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asict = iot;
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if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2,
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NE2000_ASIC_NPORTS*2, &asich)) {
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printf("%s: can't subregion I/O space\n", dsc->sc_dev.dv_xname);
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return;
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}
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dsc->sc_regt = iot;
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dsc->sc_regh = ioh;
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sc->sc_asict = asict;
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sc->sc_asich = asich;
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/*
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* detect it again, so we can print some information about
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* the interface.
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* XXX: Should I check NE1000 or NE2000 for Nereid?
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*/
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netype = ne2000_detect(iot, ioh, asict, asich);
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switch (netype) {
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case NE2000_TYPE_NE1000:
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typestr = "NE1000";
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break;
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case NE2000_TYPE_NE2000:
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typestr = "NE2000";
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/*
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* Check for a RealTek 8019.
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*/
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bus_space_write_1(iot, ioh, ED_P0_CR,
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ED_CR_PAGE_0 | ED_CR_STP);
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if (bus_space_read_1(iot, ioh, NERTL_RTL0_8019ID0) ==
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RTL0_8019ID0 &&
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bus_space_read_1(iot, ioh, NERTL_RTL0_8019ID1) ==
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RTL0_8019ID1) {
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typestr = "NE2000 (RTL8019)";
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dsc->sc_mediachange = rtl80x9_mediachange;
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dsc->sc_mediastatus = rtl80x9_mediastatus;
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dsc->init_card = rtl80x9_init_card;
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dsc->sc_media_init = rtl80x9_media_init;
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}
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break;
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default:
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printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname);
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return;
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}
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printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr);
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/* This interface is always enabled */
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dsc->sc_enabled = 1;
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/*
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* Do generic NE2000 attach.
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* This will read the mac address from the EEPROM.
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*/
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ne2000_attach(sc, NULL);
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/* Establish the interrupt handler */
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if (intio_intr_establish(ia->ia_intr, "ne", ne_intio_intr, dsc))
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printf("%s: couldn't establish interrupt handler\n",
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dsc->sc_dev.dv_xname);
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}
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static int
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ne_intio_intr(void *arg)
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{
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int error;
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int s;
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s = splnet();
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error = dp8390_intr(arg);
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splx(s);
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return error;
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}
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