1 /* $NetBSD: ebus.c,v 1.3 2021/04/24 23:36:31 thorpej 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 1.3 2021/04/24 23:36:31 thorpej 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(device_t parent, device_t self, void *aux) 48 { 49 struct ebus_dev_attach_args *ida = aux; 50 struct ebus_attach_args *ia; 51 void *addr; 52 int i; 53 int locs[EBUSCF_NLOCS]; 54 55 printf("\n"); 56 57 /* 58 * Loop through the devices and attach them. If a probe-size 59 * is specified, it's an optional item on the platform and 60 * do a badaddr() test to make sure it's there. 61 */ 62 for (i = 0; i < ida->ida_ndevs; i++) { 63 ia = &ida->ida_devs[i]; 64 65 #if 0 // DEBUG 66 printf("PROBING %s %d@%x i=%d\n", 67 ia->ia_name, ia->ia_basz, ia->ia_paddr, ia->ia_cookie); 68 #endif 69 if (ia->ia_basz != 0) { 70 addr = (void *)mips_map_physmem(ia->ia_paddr, 71 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 locs[EBUSCF_ADDR] = ia->ia_paddr; 84 85 if (config_found(self, ia, ebusprint, 86 CFARG_SUBMATCH, config_stdsubmatch, 87 CFARG_LOCATORS, locs, 88 CFARG_EOL) == NULL) { 89 /* do we need to say anything? */ 90 if (ia->ia_basz != 0) { 91 mips_unmap_physmem((vaddr_t)ia->ia_vaddr, 92 ia->ia_basz); 93 } 94 } 95 } 96 } 97 98 int 99 ebusprint(void *aux, 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(device_t dev, void *cookie, int level, 113 int (*handler)(void *, void *), void *arg) 114 { 115 116 (*platform.intr_establish)(dev, cookie, level, handler, arg); 117 } 118