1 /* $NetBSD: autoconf.c,v 1.2 2011/01/18 01:10:25 matt Exp $ */ 2 /*- 3 * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects 8 * Agency and which was developed by Matt Thomas of 3am Software Foundry. 9 * 10 * This material is based upon work supported by the Defense Advanced Research 11 * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under 12 * Contract No. N66001-09-C-2073. 13 * Approved for Public Release, Distribution Unlimited 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.2 2011/01/18 01:10:25 matt Exp $"); 39 40 #define __INTR_PRIVATE 41 42 #include "locators.h" 43 44 #include <sys/param.h> 45 #include <sys/conf.h> 46 #include <sys/device.h> 47 #include <sys/intr.h> 48 #include <sys/systm.h> 49 #include <sys/bus.h> 50 51 #include <sys/cpu.h> 52 #include <powerpc/booke/cpuvar.h> 53 54 /* 55 * Determine device configuration for a machine. 56 */ 57 void 58 cpu_configure(void) 59 { 60 61 (*powerpc_intrsw->intrsw_init)(); 62 calc_delayconst(); 63 64 if (config_rootfound("mainbus", NULL) == NULL) 65 panic("%s: mainbus not configured", __func__); 66 67 spl0(); 68 } 69 70 /* 71 * Setup root device. 72 * Configure swap area. 73 */ 74 void 75 cpu_rootconf(void) 76 { 77 78 setroot(booted_device, booted_partition); 79 } 80 81 void 82 device_register(device_t dev, void *aux) 83 { 84 if (cpu_md_ops.md_device_register != NULL) 85 (*cpu_md_ops.md_device_register)(dev, aux); 86 } 87 88 static bool mainbus_found; 89 90 static int 91 mainbus_print(void *aux, const char *pnp) 92 { 93 struct mainbus_attach_args *ma = aux; 94 95 if (pnp != NULL) 96 return QUIET; 97 98 if (pnp) 99 aprint_normal("%s at %s", ma->ma_name, pnp); 100 if (ma->ma_node != MAINBUSCF_NODE_DEFAULT) 101 aprint_normal(" node %d", ma->ma_node); 102 103 return (UNCONF); 104 } 105 106 static int 107 mainbus_match(device_t parent, cfdata_t cf, void *aux) 108 { 109 return mainbus_found == false; 110 } 111 112 static void 113 mainbus_attach(device_t parent, device_t self, void *aux) 114 { 115 struct mainbus_attach_args ma; 116 117 mainbus_found = true; 118 119 aprint_normal("\n"); 120 121 ma.ma_name = "cpunode"; 122 ma.ma_node = 0; 123 ma.ma_memt = curcpu()->ci_softc->cpu_bst; 124 ma.ma_dmat = &booke_bus_dma_tag; 125 126 config_found_sm_loc(self, "mainbus", NULL, &ma, mainbus_print, NULL); 127 } 128 129 CFATTACH_DECL_NEW(mainbus, 0, mainbus_match, mainbus_attach, NULL, NULL); 130