1 /* $NetBSD: mainbus.c,v 1.3 2009/08/11 02:32:38 matt Exp $ */ 2 3 /* 4 * Copyright 2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Simon Burge for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.3 2009/08/11 02:32:38 matt Exp $"); 40 41 #include "opt_pci.h" 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 #if defined(PCI_NETBSD_CONFIGURE) 47 #include <sys/extent.h> 48 #include <sys/malloc.h> 49 #endif 50 51 #include <dev/pci/pcivar.h> 52 #if defined(PCI_NETBSD_CONFIGURE) 53 #include <dev/pci/pciconf.h> 54 #endif 55 56 #include <mips/cache.h> 57 #include <mips/cpuregs.h> 58 59 #include <mips/bonito/bonitoreg.h> 60 #include <evbmips/gdium/gdiumvar.h> 61 62 #include "locators.h" 63 #include "pci.h" 64 65 static int mainbus_match(device_t, cfdata_t, void *); 66 static void mainbus_attach(device_t, device_t, void *); 67 static int mainbus_print(void *, const char *); 68 69 CFATTACH_DECL_NEW(mainbus, 0, 70 mainbus_match, mainbus_attach, NULL, NULL); 71 72 /* There can be only one. */ 73 static bool mainbus_found; 74 75 const char * const mainbusdevs[] = { 76 "cpu", 77 "bonito", 78 #if 0 79 "i2c", 80 "gpio", 81 #endif 82 }; 83 84 static int 85 mainbus_match(device_t parent, cfdata_t match, void *aux) 86 { 87 if (mainbus_found) 88 return (0); 89 90 return (1); 91 } 92 93 static void 94 mainbus_attach(device_t parent, device_t self, void *aux) 95 { 96 size_t i; 97 98 mainbus_found = true; 99 aprint_normal("\n"); 100 101 #if defined(PCI_NETBSD_CONFIGURE) 102 { 103 struct extent *ioext, *memext; 104 105 ioext = extent_create("pciio", 0x00001000, 0x00003fff, 106 M_DEVBUF, NULL, 0, EX_NOWAIT); 107 memext = extent_create("pcimem", 0, BONITO_PCILO_SIZE, 108 M_DEVBUF, NULL, 0, EX_NOWAIT); 109 110 pci_configure_bus(&gdium_configuration.gc_pc, ioext, memext, 111 NULL, 0, mips_dcache_align); 112 extent_destroy(ioext); 113 extent_destroy(memext); 114 } 115 #endif /* PCI_NETBSD_CONFIGURE */ 116 117 for (i = 0; i < __arraycount(mainbusdevs); i++) { 118 struct mainbus_attach_args maa; 119 maa.maa_name = mainbusdevs[i]; 120 (void) config_found(self, &maa, mainbus_print); 121 } 122 } 123 124 static int 125 mainbus_print(void *aux, const char *pnp) 126 { 127 struct mainbus_attach_args *maa = aux; 128 129 if (pnp) 130 aprint_normal("%s at %s", maa->maa_name, pnp); 131 132 return UNCONF; 133 } 134