/* $NetBSD: tx39uart.c,v 1.14 2008/04/28 20:23:22 martin Exp $ */ /*- * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by UCHIYAMA Yasushi. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: tx39uart.c,v 1.14 2008/04/28 20:23:22 martin Exp $"); #include "opt_tx39uart_debug.h" #include <sys/param.h> #include <sys/systm.h> #include <sys/device.h> #include <machine/bus.h> #include <machine/intr.h> #include <hpcmips/tx/tx39var.h> #include <hpcmips/tx/tx39uartvar.h> #include "locators.h" int tx39uart_match(struct device *, struct cfdata *, void *); void tx39uart_attach(struct device *, struct device *, void *); int tx39uart_print(void *, const char *); int tx39uart_search(struct device *, struct cfdata *, const int *, void *); struct tx39uart_softc { struct device sc_dev; tx_chipset_tag_t sc_tc; int sc_enabled; }; CFATTACH_DECL(tx39uart, sizeof(struct tx39uart_softc), tx39uart_match, tx39uart_attach, NULL, NULL); int tx39uart_match(struct device *parent, struct cfdata *cf, void *aux) { return ATTACH_LAST; } void tx39uart_attach(struct device *parent, struct device *self, void *aux) { struct txsim_attach_args *ta = aux; struct tx39uart_softc *sc = (void *)self; tx_chipset_tag_t tc; printf("\n"); sc->sc_tc = tc = ta->ta_tc; config_search_ia(tx39uart_search, self, "txcomif", tx39uart_print); } int tx39uart_search(struct device *parent, struct cfdata *cf, const int *ldesc, void *aux) { struct tx39uart_softc *sc = (void *)parent; struct tx39uart_attach_args ua; ua.ua_tc = sc->sc_tc; ua.ua_slot = cf->cf_loc[TXCOMIFCF_SLOT]; if (ua.ua_slot == TXCOMIFCF_SLOT_DEFAULT) { printf("tx39uart_search: wildcarded slot, skipping\n"); return 0; } if (!(sc->sc_enabled & (1 << ua.ua_slot)) && /* not attached slot */ config_match(parent, cf, &ua)) { config_attach(parent, cf, &ua, tx39uart_print); sc->sc_enabled |= (1 << ua.ua_slot); } return 0; } int tx39uart_print(void *aux, const char *pnp) { struct tx39uart_attach_args *ua = aux; aprint_normal(" slot %d", ua->ua_slot); return QUIET; }