1 /* $NetBSD: ebus.c,v 1.1 2011/01/26 01:18:50 pooka Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code was written by Alessandro Forin and Neil Pittman 8 * at Microsoft Research and contributed to The NetBSD Foundation 9 * by Microsoft Corporation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 34 __KERNEL_RCSID(0, "$NetBSD: ebus.c,v 1.1 2011/01/26 01:18:50 pooka Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 40 #include <machine/sysconf.h> 41 #include <emips/ebus/ebusvar.h> 42 #include <emips/emips/machdep.h> 43 44 #include "locators.h" 45 46 void 47 ebusattach(parent, self, aux) 48 struct device *parent, *self; 49 void *aux; 50 { 51 struct ebus_dev_attach_args *ida = aux; 52 struct ebus_attach_args *ia; 53 void *addr; 54 int i; 55 int locs[EBUSCF_NLOCS]; 56 57 printf("\n"); 58 59 /* 60 * Loop through the devices and attach them. If a probe-size 61 * is specified, it's an optional item on the platform and 62 * do a badaddr() test to make sure it's there. 63 */ 64 for (i = 0; i < ida->ida_ndevs; i++) { 65 ia = &ida->ida_devs[i]; 66 67 #if 0 // DEBUG 68 printf("PROBING %s %d@%x i=%d\n", ia->ia_name, ia->ia_basz, ia->ia_paddr, ia->ia_cookie); 69 #endif 70 if (ia->ia_basz != 0) { 71 addr = (void *) mips_map_physmem(ia->ia_paddr, ia->ia_basz); 72 if (addr == NULL){ 73 printf("Failed to map %s: phys %x size %d\n", 74 ia->ia_name, ia->ia_paddr, ia->ia_basz); 75 continue; 76 } 77 ia->ia_vaddr = addr; 78 #if 0 // DEBUG 79 printf("MAPPED at %p\n", ia->ia_vaddr); 80 #endif 81 } 82 83 84 locs[EBUSCF_ADDR] = ia->ia_paddr; 85 86 if (NULL == config_found_sm_loc(self, "ebus", locs, ia, 87 ebusprint, config_stdsubmatch)) { 88 /* do we need to say anything? */ 89 if (ia->ia_basz != 0) { 90 mips_unmap_physmem((vaddr_t)ia->ia_vaddr, ia->ia_basz); 91 } 92 } 93 } 94 } 95 96 int 97 ebusprint(aux, pnp) 98 void *aux; 99 const char *pnp; 100 { 101 struct ebus_attach_args *ia = aux; 102 103 if (pnp) 104 aprint_normal("%s at %s", ia->ia_name, pnp); 105 106 aprint_normal(" addr 0x%x", ia->ia_paddr); 107 108 return (UNCONF); 109 } 110 111 void 112 ebus_intr_establish(dev, cookie, level, handler, arg) 113 struct device *dev; 114 void *cookie; 115 int level; 116 int (*handler) (void *, void *); 117 void *arg; 118 { 119 (*platform.intr_establish)(dev, cookie, level, handler, arg); 120 } 121