162 lines
5.1 KiB
C
162 lines
5.1 KiB
C
/* $NetBSD: if_dme_gpmc.c,v 1.3 2012/11/12 18:00:38 skrll Exp $ */
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/*
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* Copyright (c) 2010 Adam Hoka
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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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*
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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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* Copyright (c) 2009 Paul Fleischer
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* All rights reserved.
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*
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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. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, 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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#include <sys/cdefs.h>
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#include "opt_omap.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/socket.h>
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#include <sys/device.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <sys/bus.h>
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#include <machine/intr.h>
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#include <arch/arm/omap/omap2_gpmcvar.h>
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#include <arch/arm/omap/omap2_gpmcreg.h>
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#include <dev/ic/dm9000var.h>
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#include <dev/ic/dm9000reg.h>
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int dme_gpmc_match(device_t, struct cfdata *, void *);
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void dme_gpmc_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(dme_gpmc, sizeof(struct dme_softc),
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dme_gpmc_match, dme_gpmc_attach, NULL, NULL);
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int
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dme_gpmc_match(device_t parent, struct cfdata *cf, void *aux)
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{
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struct gpmc_attach_args *gpmc = aux;
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bus_space_tag_t iot = gpmc->gpmc_iot;
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bus_space_handle_t ioh;
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uint8_t vendor_id[2];
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uint8_t product_id[2];
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int result = 0;
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/* Map memory to access the device during probing */
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/* XXX should be done with two mappings */
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if (bus_space_map(iot, gpmc->gpmc_addr, 0x404, 0, &ioh))
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goto out;
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/* Used to temporarily access the device for probing */
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struct dme_softc sc = {
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.sc_iot = iot,
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.sc_ioh = ioh,
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.dme_io = 0x0,
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.dme_data = 0x400
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};
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vendor_id[0] = dme_read(&sc, DM9000_VID0);
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vendor_id[1] = dme_read(&sc, DM9000_VID1);
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product_id[0] = dme_read(&sc, DM9000_PID0);
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product_id[1] = dme_read(&sc, DM9000_PID1);
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if (vendor_id[0] == 0x46 && vendor_id[1] == 0x0a &&
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product_id[0] == 0x00 && product_id[1] == 0x90 ) {
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result = 1;
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}
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out:
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bus_space_unmap(iot, ioh, 0x404);
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return result;
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}
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void
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dme_gpmc_attach(device_t parent, device_t self, void *aux)
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{
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struct dme_softc *sc = device_private(self);
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struct gpmc_attach_args *gpmc = aux;
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/* XXX read eeprom or derive from die id */
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#define DME_ETHER_ADDR_FIXED 0,0x0a,0xb1,0,1,0xff
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#ifdef DME_ETHER_ADDR_FIXED
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static uint8_t enaddr[ETHER_ADDR_LEN] = {DME_ETHER_ADDR_FIXED};
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#else
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#define enaddr NULL
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#endif
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sc->sc_iot = gpmc->gpmc_iot;
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sc->sc_dev = self;
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/* XXX should be done with two mappings */
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if (bus_space_map(sc->sc_iot,
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gpmc->gpmc_addr, 0x404, 0, &sc->sc_ioh)) {
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aprint_error(": unable to map i/o space\n");
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return;
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}
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sc->sc_ih = intr_establish(gpmc->gpmc_intr, IPL_NET, IST_LEVEL_LOW,
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dme_intr, sc);
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if (sc->sc_ih == NULL) {
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aprint_error(": unable to establish interrupt\n");
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bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0x404);
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}
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sc->dme_io = 0x0;
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sc->dme_data = 0x400;
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aprint_normal("\n");
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dme_attach(sc, enaddr);
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}
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