123 lines
3.5 KiB
C
123 lines
3.5 KiB
C
/* $NetBSD: gio.c,v 1.1 2000/06/14 16:51:00 soren Exp $ */
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/*
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* Copyright (c) 2000 Soren S. Jorvang
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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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* 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 for the
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* NetBSD Project. See http://www.netbsd.org/ for
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* information about NetBSD.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opt_ddb.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 <sgimips/gio/gioreg.h>
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#include <sgimips/gio/giovar.h>
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#include "locators.h"
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struct gio_softc {
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struct device sc_dev;
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};
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static int gio_match(struct device *, struct cfdata *, void *);
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static void gio_attach(struct device *, struct device *, void *);
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static int gio_print(void *, const char *);
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static int gio_search(struct device *, struct cfdata *, void *);
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struct cfattach gio_ca = {
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sizeof(struct gio_softc), gio_match, gio_attach
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};
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static int
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gio_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct giobus_attach_args *gba = aux;
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if (strcmp(gba->gba_busname, match->cf_driver->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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gio_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 gio_attach_args ga;
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printf("\n");
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config_search(gio_search, self, &ga);
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}
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static int
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gio_print(aux, pnp)
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void *aux;
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const char *pnp;
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{
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struct gio_attach_args *ga = aux;
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if (pnp != 0)
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return QUIET;
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if (ga->ga_slot != GIOCF_SLOT_DEFAULT)
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printf(" slot %d", ga->ga_slot);
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if (ga->ga_addr != GIOCF_ADDR_DEFAULT)
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printf(" addr 0x%x", ga->ga_addr);
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return UNCONF;
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}
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static int
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gio_search(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 gio_attach_args *ga = aux;
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do {
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ga->ga_slot = cf->cf_loc[GIOCF_SLOT];
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ga->ga_addr = cf->cf_loc[GIOCF_ADDR];
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ga->ga_iot = 0;
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ga->ga_ioh = MIPS_PHYS_TO_KSEG1(ga->ga_addr);
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if ((*cf->cf_attach->ca_match)(parent, cf, ga) > 0)
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config_attach(parent, cf, ga, gio_print);
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} while (cf->cf_fstate == FSTATE_STAR);
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return 0;
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}
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