119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
/* $NetBSD: tx39uart.c,v 1.4 2000/10/22 10:42:33 uch Exp $ */
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/*-
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* Copyright (c) 1999, 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 UCHIYAMA Yasushi.
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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 "opt_tx39_debug.h"
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#include "opt_tx39uartdebug.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/bus.h>
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#include <machine/intr.h>
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#include <hpcmips/tx/tx39var.h>
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#include <hpcmips/tx/tx39uartvar.h>
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#include "locators.h"
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int tx39uart_match(struct device *, struct cfdata *, void *);
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void tx39uart_attach(struct device *, struct device *, void *);
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int tx39uart_print(void *, const char *);
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int tx39uart_search(struct device *, struct cfdata *, void *);
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struct tx39uart_softc {
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struct device sc_dev;
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tx_chipset_tag_t sc_tc;
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int sc_enabled;
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};
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struct cfattach tx39uart_ca = {
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sizeof(struct tx39uart_softc), tx39uart_match, tx39uart_attach
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};
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int
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tx39uart_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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return ATTACH_LAST;
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}
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void
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tx39uart_attach(struct device *parent, struct device *self, void *aux)
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{
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struct txsim_attach_args *ta = aux;
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struct tx39uart_softc *sc = (void *)self;
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tx_chipset_tag_t tc;
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printf("\n");
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sc->sc_tc = tc = ta->ta_tc;
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config_search(tx39uart_search, self, tx39uart_print);
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}
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int
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tx39uart_search(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct tx39uart_softc *sc = (void *)parent;
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struct tx39uart_attach_args ua;
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ua.ua_tc = sc->sc_tc;
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ua.ua_slot = cf->cf_loc[TXCOMIFCF_SLOT];
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if (ua.ua_slot == TXCOMIFCF_SLOT_DEFAULT) {
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printf("tx39uart_search: wildcarded slot, skipping\n");
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return 0;
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}
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if (!(sc->sc_enabled & (1 << ua.ua_slot)) && /* not attached slot */
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(*cf->cf_attach->ca_match)(parent, cf, &ua)) {
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config_attach(parent, cf, &ua, tx39uart_print);
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sc->sc_enabled |= (1 << ua.ua_slot);
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}
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return 0;
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}
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int
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tx39uart_print(void *aux, const char *pnp)
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{
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struct tx39uart_attach_args *ua = aux;
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printf(" slot %d", ua->ua_slot);
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return QUIET;
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}
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