119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/* $NetBSD: if_sm_emifs.c,v 1.3 2007/10/17 19:54:13 garbled Exp $ */
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/*
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* OSK5912 SMC91Cxx wrapper, based on sys/arch/evbarm/viper/if_sm_pxaip.c
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*
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* Copyright (c) 2005 Antti Kantee. 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. 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
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (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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__KERNEL_RCSID(0, "$NetBSD: if_sm_emifs.c,v 1.3 2007/10/17 19:54:13 garbled 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 <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 <machine/intr.h>
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#include <machine/bus.h>
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#include <dev/mii/mii.h>
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#include <dev/mii/miivar.h>
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#include <dev/ic/smc91cxxreg.h>
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#include <dev/ic/smc91cxxvar.h>
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#include <arch/arm/omap/omap_emifs.h>
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#include <arch/arm/omap/omap_gpio.h>
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static int sm_emifs_match(struct device *, struct cfdata *, void *);
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static void sm_emifs_attach(struct device *, struct device *, void *);
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struct sm_emifs_softc {
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struct smc91cxx_softc sc_sm;
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void *ih;
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};
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CFATTACH_DECL(sm_emifs, sizeof(struct sm_emifs_softc), sm_emifs_match,
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sm_emifs_attach, NULL, NULL);
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static int
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sm_emifs_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct emifs_attach_args *emifs = aux;
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if (emifs->emifs_addr == -1)
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panic("sm must have addr specified in config.");
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/* Trust the config file. */
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return (1);
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}
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static void
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sm_emifs_attach(struct device *parent, struct device *self, void *aux)
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{
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struct sm_emifs_softc *emifssc = (struct sm_emifs_softc *)self;
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struct smc91cxx_softc *sc = &emifssc->sc_sm;
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struct emifs_attach_args *emifs = aux;
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bus_space_tag_t bst;
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bus_space_handle_t bsh;
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bst = emifs->emifs_iot;
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/* map i/o space */
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if (bus_space_map(bst, emifs->emifs_addr, SMC_IOSIZE, 0, &bsh) != 0) {
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aprint_error(": sm_emifs_attach: can't map i/o space");
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return;
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}
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aprint_normal("\n");
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/* fill in master sc */
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sc->sc_bst = bst;
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sc->sc_bsh = bsh;
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/* register the interrupt handler */
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emifssc->ih =
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omap_gpio_intr_establish(emifs->emifs_intr, IST_EDGE_RISING,
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IPL_NET, sc->sc_dev.dv_xname,
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smc91cxx_intr, sc);
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if (emifssc->ih == NULL) {
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aprint_error(": couldn't establish interrupt\n");
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bus_space_unmap(bst, bsh, SMC_IOSIZE);
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return;
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}
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/* Perform generic attach. */
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sc->sc_flags |= SMC_FLAGS_ENABLED;
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smc91cxx_attach(sc, NULL);
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}
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