1 /* $NetBSD: obio.c,v 1.17 2011/06/06 17:13:06 matt 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: obio.c,v 1.17 2011/06/06 17:13:06 matt Exp $"); 34 35 #include "locators.h" 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 41 #include <machine/autoconf.h> 42 #include <machine/mainboard.h> 43 #include <machine/bus.h> 44 #include <machine/sysconf.h> 45 46 static int obio_match(device_t, cfdata_t, void *); 47 static void obio_attach(device_t, device_t, void *); 48 static int obio_search(device_t, cfdata_t, const int *, void *); 49 static int obio_print(void *, const char *); 50 static void obio_intr_establish(bus_space_tag_t, int, int, int, 51 int (*)(void *), void *); 52 53 CFATTACH_DECL_NEW(obio, 0, 54 obio_match, obio_attach, NULL, NULL); 55 56 extern struct cfdriver obio_cd; 57 58 struct mipsco_bus_space obio_bustag; 59 struct mipsco_bus_dma_tag obio_dmatag; 60 61 static int 62 obio_match(device_t parent, cfdata_t cf, void *aux) 63 { 64 struct confargs *ca = aux; 65 66 if (strcmp(ca->ca_name, obio_cd.cd_name) != 0) 67 return 0; 68 69 return 1; 70 } 71 72 static void 73 obio_attach(device_t parent, device_t self, void *aux) 74 { 75 struct confargs *ca = aux; 76 77 /* PIZAZZ (Mips 3000 Magnum) Address Map */ 78 mipsco_bus_space_init(&obio_bustag, "obio", 79 0x18000000, 0xb8000000, 80 0xb8000000, 0x08000000); 81 82 _bus_dma_tag_init(&obio_dmatag); 83 obio_bustag.bs_intr_establish = obio_intr_establish; /* XXX */ 84 85 ca->ca_bustag = &obio_bustag; 86 ca->ca_dmatag = &obio_dmatag; 87 88 printf("\n"); 89 config_search_ia(obio_search, self, "obio", ca); 90 } 91 92 static int 93 obio_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 94 { 95 struct confargs *ca = aux; 96 97 ca->ca_addr = cf->cf_addr; 98 ca->ca_name = cf->cf_name; 99 100 if (config_match(parent, cf, ca) != 0) 101 config_attach(parent, cf, ca, obio_print); 102 103 return 0; 104 } 105 106 /* 107 * Print out the confargs. The (parent) name is non-NULL 108 * when there was no match found by config_found(). 109 */ 110 static int 111 obio_print(void *args, const char *name) 112 { 113 struct confargs *ca = args; 114 115 if (name) 116 return(QUIET); 117 118 if (ca->ca_addr != -1) 119 aprint_normal(" addr 0x%x", ca->ca_addr); 120 121 return(UNCONF); 122 } 123 124 void 125 obio_intr_establish(bus_space_tag_t bst, int level, int pri, int flags, 126 int (*func)(void *), void *arg) 127 { 128 (*platform.intr_establish)(level, func, arg); 129 } 130