155 lines
4.4 KiB
C
155 lines
4.4 KiB
C
/* $NetBSD: obio.c,v 1.12 2005/12/11 12:18:13 christos Exp $ */
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/*-
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* Copyright (c) 2000 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 Wayne Knowles
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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 the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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: obio.c,v 1.12 2005/12/11 12:18:13 christos Exp $");
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#include "locators.h"
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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 <machine/autoconf.h>
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#include <machine/mainboard.h>
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#include <machine/bus.h>
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#include <machine/sysconf.h>
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static int obio_match __P((struct device *, struct cfdata *, void *));
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static void obio_attach __P((struct device *, struct device *, void *));
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static int obio_search __P((struct device *, struct cfdata *,
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const int *, void *));
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static int obio_print __P((void *, const char *));
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static void obio_intr_establish __P((bus_space_tag_t, int, int, int,
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int (*)(void *), void *));
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CFATTACH_DECL(obio, sizeof(struct device),
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obio_match, obio_attach, NULL, NULL);
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extern struct cfdriver obio_cd;
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struct mipsco_bus_space obio_bustag;
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struct mipsco_bus_dma_tag obio_dmatag;
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static int
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obio_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct confargs *ca = aux;
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if (strcmp(ca->ca_name, obio_cd.cd_name) != 0)
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return 0;
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return 1;
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}
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static void
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obio_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct confargs *ca = aux;
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/* PIZAZZ (Mips 3000 Magnum) Address Map */
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mipsco_bus_space_init(&obio_bustag, "obio",
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0x18000000, 0xb8000000,
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0xb8000000, 0x08000000);
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_bus_dma_tag_init(&obio_dmatag);
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obio_bustag.bs_intr_establish = obio_intr_establish; /* XXX */
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ca->ca_bustag = &obio_bustag;
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ca->ca_dmatag = &obio_dmatag;
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printf("\n");
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config_search_ia(obio_search, self, "obio", ca);
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}
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static int
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obio_search(parent, cf, ldesc, aux)
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struct device *parent;
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struct cfdata *cf;
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const int *ldesc;
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void *aux;
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{
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struct confargs *ca = aux;
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ca->ca_addr = cf->cf_addr;
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ca->ca_name = cf->cf_name;
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if (config_match(parent, cf, ca) != 0)
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config_attach(parent, cf, ca, obio_print);
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return 0;
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}
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/*
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* Print out the confargs. The (parent) name is non-NULL
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* when there was no match found by config_found().
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*/
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static int
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obio_print(args, name)
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void *args;
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const char *name;
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{
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struct confargs *ca = args;
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if (name)
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return(QUIET);
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if (ca->ca_addr != -1)
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aprint_normal(" addr 0x%x", ca->ca_addr);
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return(UNCONF);
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}
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void
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obio_intr_establish(bst, level, pri, flags, func, arg)
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bus_space_tag_t bst;
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int level;
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int pri;
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int flags;
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int (*func) __P((void *));
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void *arg;
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{
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(*platform.intr_establish)(level, func, arg);
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}
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