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92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/* $NetBSD: com_elb.c,v 1.9 2011/07/01 19:02:32 dyoung Exp $ */
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/*-
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* Copyright (c) 2003 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 Juergen Hannken-Illjes.
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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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: com_elb.c,v 1.9 2011/07/01 19:02:32 dyoung Exp $");
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <sys/tty.h>
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#include <sys/bus.h>
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#include <dev/ic/comreg.h>
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#include <dev/ic/comvar.h>
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#include <evbppc/explora/dev/elbvar.h>
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struct com_elb_softc {
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struct com_softc sc_com;
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void *sc_ih;
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};
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static int com_elb_probe(device_t, cfdata_t , void *);
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static void com_elb_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(com_elb, sizeof(struct com_elb_softc),
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com_elb_probe, com_elb_attach, NULL, NULL);
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int
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com_elb_probe(device_t parent, cfdata_t cf, void *aux)
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{
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struct elb_attach_args *oaa = aux;
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if (strcmp(oaa->elb_name, cf->cf_name) != 0)
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return 0;
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return (1);
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}
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void
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com_elb_attach(device_t parent, device_t self, void *aux)
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{
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struct com_elb_softc *msc = device_private(self);
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struct com_softc *sc = &msc->sc_com;
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struct elb_attach_args *eaa = aux;
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bus_space_handle_t ioh;
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sc->sc_dev = self;
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bus_space_map(eaa->elb_bt,
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_BUS_SPACE_UNSTRIDE(eaa->elb_bt, eaa->elb_base),
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COM_NPORTS, 0, &ioh);
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COM_INIT_REGS(sc->sc_regs, eaa->elb_bt, ioh,
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_BUS_SPACE_UNSTRIDE(eaa->elb_bt, eaa->elb_base));
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sc->sc_frequency = COM_FREQ;
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com_attach_subr(sc);
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intr_establish(eaa->elb_irq, IST_LEVEL, IPL_SERIAL, comintr, sc);
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}
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