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109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/* $NetBSD: a1k2cp.c,v 1.3 2012/10/27 17:17:26 chs Exp $ */
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/*-
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* Copyright (c) 2012 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 Radoslaw Kujawa.
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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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/* Driver for A1200 on-board clockport. */
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#include <sys/cdefs.h>
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#include <sys/systm.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/kmem.h>
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#include <machine/cpu.h>
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#include <amiga/amiga/device.h>
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#include <amiga/dev/zbusvar.h>
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#include <amiga/clockport/clockportvar.h>
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/* #define A1K2CP_DEBUG 1 */
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#define A1K2CP_BASE 0xD80001
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static int a1k2cp_match(device_t, cfdata_t, void *);
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static void a1k2cp_attach(device_t, device_t, void *);
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struct a1k2cp_softc {
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device_t sc_dev;
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};
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CFATTACH_DECL_NEW(a1k2cp, sizeof(struct a1k2cp_softc),
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a1k2cp_match, a1k2cp_attach, NULL, NULL);
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static int
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a1k2cp_match(device_t parent, cfdata_t cf, void *aux)
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{
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static int a1k2cp_matched = 0;
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if (!matchname("a1k2cp", aux))
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return 0;
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if (a1k2cp_matched)
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return 0;
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if (!is_a1200())
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return 0;
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a1k2cp_matched = 1;
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return 1;
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}
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static void
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a1k2cp_attach(device_t parent, device_t self, void *aux)
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{
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struct a1k2cp_softc *sc;
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struct clockportbus_attach_args a1k2cp_aa;
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struct bus_space_tag a1k2cp_bst;
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sc = device_private(self);
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sc->sc_dev = self;
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aprint_normal(": A1200 on-board clockport\n");
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a1k2cp_bst.base = (bus_addr_t) __UNVOLATILE(ztwomap(A1K2CP_BASE));
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a1k2cp_bst.absm = &amiga_bus_stride_4;
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a1k2cp_aa.cp_iot = &a1k2cp_bst;
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a1k2cp_aa.cp_intr_establish = clockport_generic_intr_establish;
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#ifdef A1K2CP_DEBUG
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aprint_normal_dev(sc->sc_dev, "pa %x va %p\n",
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A1K2CP_BASE, (void*) a1k2cp_bst.base);
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#endif /* A1K2CP_DEBUG */
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config_found(sc->sc_dev, &a1k2cp_aa, 0);
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}
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