1 /* $NetBSD: obio.c,v 1.6 2002/10/02 05:38:11 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Wayne Knowles 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 43 #include <machine/autoconf.h> 44 #include <machine/mainboard.h> 45 #include <machine/bus.h> 46 #include <machine/sysconf.h> 47 48 static int obio_match __P((struct device *, struct cfdata *, void *)); 49 static void obio_attach __P((struct device *, struct device *, void *)); 50 static int obio_search __P((struct device *, struct cfdata *, void *)); 51 static int obio_print __P((void *, const char *)); 52 static void obio_intr_establish __P((bus_space_tag_t, int, int, int, 53 int (*)(void *), void *)); 54 55 CFATTACH_DECL(obio, sizeof(struct device), 56 obio_match, obio_attach, NULL, NULL); 57 58 extern struct cfdriver obio_cd; 59 60 struct mipsco_bus_space obio_bustag; 61 struct mipsco_bus_dma_tag obio_dmatag; 62 63 static int 64 obio_match(parent, cf, aux) 65 struct device *parent; 66 struct cfdata *cf; 67 void *aux; 68 { 69 struct confargs *ca = aux; 70 71 if (strcmp(ca->ca_name, obio_cd.cd_name) != 0) 72 return 0; 73 74 return 1; 75 } 76 77 static void 78 obio_attach(parent, self, aux) 79 struct device *parent; 80 struct device *self; 81 void *aux; 82 { 83 struct confargs *ca = aux; 84 85 /* PIZAZZ (Mips 3000 Magnum) Address Map */ 86 mipsco_bus_space_init(&obio_bustag, "obio", 87 0x18000000, 0xb8000000, 88 0xb8000000, 0x08000000); 89 90 _bus_dma_tag_init(&obio_dmatag); 91 obio_bustag.bs_intr_establish = obio_intr_establish; /* XXX */ 92 93 ca->ca_bustag = &obio_bustag; 94 ca->ca_dmatag = &obio_dmatag; 95 96 printf("\n"); 97 config_search(obio_search, self, ca); 98 } 99 100 static int 101 obio_search(parent, cf, aux) 102 struct device *parent; 103 struct cfdata *cf; 104 void *aux; 105 { 106 struct confargs *ca = aux; 107 108 ca->ca_addr = cf->cf_addr; 109 ca->ca_name = cf->cf_name; 110 111 if (config_match(parent, cf, ca) != 0) 112 config_attach(parent, cf, ca, obio_print); 113 114 return 0; 115 } 116 117 /* 118 * Print out the confargs. The (parent) name is non-NULL 119 * when there was no match found by config_found(). 120 */ 121 static int 122 obio_print(args, name) 123 void *args; 124 const char *name; 125 { 126 struct confargs *ca = args; 127 128 if (name) 129 return(QUIET); 130 131 if (ca->ca_addr != -1) 132 printf(" addr 0x%x", ca->ca_addr); 133 134 return(UNCONF); 135 } 136 137 void 138 obio_intr_establish(bst, level, pri, flags, func, arg) 139 bus_space_tag_t bst; 140 int level; 141 int pri; 142 int flags; 143 int (*func) __P((void *)); 144 void *arg; 145 { 146 (*platform.intr_establish)(level, func, arg); 147 } 148