1 /* $NetBSD: obio.c,v 1.2 2000/08/15 04:56:46 wdk 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 struct cfattach obio_ca = { 56 sizeof(struct device), obio_match, obio_attach 57 }; 58 59 extern struct cfdriver obio_cd; 60 61 struct mipsco_bus_space obio_bustag; 62 struct mipsco_bus_dma_tag obio_dmatag; 63 64 static int 65 obio_match(parent, cf, aux) 66 struct device *parent; 67 struct cfdata *cf; 68 void *aux; 69 { 70 struct confargs *ca = aux; 71 72 if (strcmp(ca->ca_name, obio_cd.cd_name) != 0) 73 return 0; 74 75 return 1; 76 } 77 78 static void 79 obio_attach(parent, self, aux) 80 struct device *parent; 81 struct device *self; 82 void *aux; 83 { 84 struct confargs *ca = aux; 85 86 /* PIZAZZ (Mips 3000 Magnum) Address Map */ 87 mipsco_bus_space_init(&obio_bustag, "obio", 88 0x18000000, 0xb8000000, 89 0xb8000000, 0x08000000); 90 91 _bus_dma_tag_init(&obio_dmatag); 92 obio_bustag.bs_intr_establish = obio_intr_establish; /* XXX */ 93 94 ca->ca_bustag = &obio_bustag; 95 ca->ca_dmatag = &obio_dmatag; 96 97 printf("\n"); 98 config_search(obio_search, self, ca); 99 } 100 101 static int 102 obio_search(parent, cf, aux) 103 struct device *parent; 104 struct cfdata *cf; 105 void *aux; 106 { 107 struct confargs *ca = aux; 108 109 ca->ca_addr = cf->cf_addr; 110 ca->ca_name = cf->cf_driver->cd_name; 111 112 if ((*cf->cf_attach->ca_match)(parent, cf, ca) != 0) 113 config_attach(parent, cf, ca, obio_print); 114 115 return 0; 116 } 117 118 /* 119 * Print out the confargs. The (parent) name is non-NULL 120 * when there was no match found by config_found(). 121 */ 122 static int 123 obio_print(args, name) 124 void *args; 125 const char *name; 126 { 127 struct confargs *ca = args; 128 129 if (name) 130 return(QUIET); 131 132 if (ca->ca_addr != -1) 133 printf(" addr 0x%x", ca->ca_addr); 134 135 return(UNCONF); 136 } 137 138 void 139 obio_intr_establish(bst, level, pri, flags, func, arg) 140 bus_space_tag_t bst; 141 int level; 142 int pri; 143 int flags; 144 int (*func) __P((void *)); 145 void *arg; 146 { 147 (*platform.intr_establish)(level, func, arg); 148 } 149