124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
/* $NetBSD: tx39uart.c,v 1.3 2000/01/16 21:47:01 uch Exp $ */
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/*
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* Copyright (c) 1999, 2000, by UCHIYAMA Yasushi
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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. The name of the developer 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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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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 <hpcmips/tx/txiomanvar.h>
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#include "locators.h"
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int tx39uart_match __P((struct device*, struct cfdata*, void*));
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void tx39uart_attach __P((struct device*, struct device*, void*));
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int tx39uart_print __P((void*, const char*));
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int tx39uart_search __P((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(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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return 1;
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}
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void
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tx39uart_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 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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txioman_uart_init(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(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 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(aux, pnp)
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void *aux;
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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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