1 /* $NetBSD: rsbus.c,v 1.5 2007/03/26 22:46:20 hubertf Exp $ */ 2 3 /* 4 * Copyright (c) 2002 5 * Ichiro FUKUHARA <ichiro@ichiro.org>. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Ichiro FUKUHARA. 19 * 4. The name of the company nor the name of the author may be used to 20 * endorse or promote products derived from this software without specific 21 * prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR 27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 38 __KERNEL_RCSID(0, "$NetBSD: rsbus.c,v 1.5 2007/03/26 22:46:20 hubertf Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/device.h> 43 44 #include <machine/bus.h> 45 46 #include <acorn32/eb7500atx/rsbus.h> 47 48 #include "locators.h" 49 50 extern struct bus_space rsbus_bs_tag; 51 52 /* Declare prototypes */ 53 54 static int rsbus_match(struct device *, struct cfdata *, void *); 55 static void rsbus_attach(struct device *, struct device *, void *); 56 static int rsbus_print(void *, const char *); 57 static int rsbus_search(struct device *, struct cfdata *, 58 const int *, void *); 59 60 CFATTACH_DECL(rsbus, sizeof(struct rsbus_softc), 61 rsbus_match, rsbus_attach, NULL, NULL); 62 63 static int 64 rsbus_match(parent, cf, aux) 65 struct device *parent; 66 struct cfdata *cf; 67 void *aux; 68 { 69 return(1); 70 } 71 72 static void 73 rsbus_attach(struct device *parent, struct device *self, void *aux) 74 { 75 struct rsbus_softc *sc = (void *) self; 76 sc->sc_iot = &rsbus_bs_tag; 77 78 printf("\n"); 79 80 /* 81 * Attach each devices 82 */ 83 config_search_ia(rsbus_search, self, "rsbus", NULL); 84 } 85 86 static int 87 rsbus_search(parent, cf, ldesc, aux) 88 struct device *parent; 89 struct cfdata *cf; 90 const int *ldesc; 91 void *aux; 92 { 93 struct rsbus_softc *sc = (struct rsbus_softc *)parent; 94 struct rsbus_attach_args sa; 95 96 sa.sa_iot = sc->sc_iot; 97 sa.sa_addr = cf->cf_loc[RSBUSCF_ADDR]; 98 sa.sa_size = cf->cf_loc[RSBUSCF_SIZE]; 99 sa.sa_intr = cf->cf_loc[RSBUSCF_IRQ]; 100 101 if (config_match(parent, cf, &sa) > 0) 102 config_attach(parent, cf, &sa, rsbus_print); 103 104 return (0); 105 } 106 107 static int 108 rsbus_print(aux, name) 109 void *aux; 110 const char *name; 111 { 112 struct rsbus_attach_args *sa = (struct rsbus_attach_args*)aux; 113 114 if (sa->sa_size) 115 aprint_normal(" addr 0x%lx", sa->sa_addr); 116 if (sa->sa_size > 1) 117 aprint_normal("-0x%lx", sa->sa_addr + sa->sa_size - 1); 118 if (sa->sa_intr > 1) 119 aprint_normal(" irq %d", sa->sa_intr); 120 121 return (UNCONF); 122 } 123 124