cpunode.c revision 1.1.2.1
1 /* $NetBSD: cpunode.c,v 1.1.2.1 2011/01/07 01:26:19 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 39 __KERNEL_RCSID(0, "$NetBSD: cpunode.c,v 1.1.2.1 2011/01/07 01:26:19 matt Exp $"); 40 41 #include <sys/param.h> 42 #include <sys/device.h> 43 #include <sys/cpu.h> 44 45 #include "ioconf.h" 46 47 #include <powerpc/booke/cpuvar.h> 48 49 static int cpunode_match(device_t, cfdata_t, void *); 50 static void cpunode_attach(device_t, device_t, void *); 51 52 CFATTACH_DECL_NEW(cpunode, sizeof(struct cpunode_softc), 53 cpunode_match, cpunode_attach, NULL, NULL); 54 55 static u_int nodes; 56 57 static int 58 cpunode_match(device_t parent, cfdata_t cf, void *aux) 59 { 60 struct mainbus_attach_args * const ma = aux; 61 if (strcmp(ma->ma_name, cpunode_cd.cd_name) != 0) 62 return 0; 63 64 if (ma->ma_node > 8 || (nodes & (1 << ma->ma_node))) 65 return 0; 66 67 return 1; 68 } 69 70 static int 71 cpunode_print(void *aux, const char *pnp) 72 { 73 struct cpunode_attach_args *cna = aux; 74 75 if (pnp) 76 #if 0 77 return QUIET; 78 #else 79 aprint_normal("%s at %s", cna->cna_locs.cnl_name, pnp); 80 #endif 81 82 if (cna->cna_locs.cnl_instance != 0) 83 aprint_normal(" instance %d", cna->cna_locs.cnl_instance); 84 85 return UNCONF; 86 } 87 88 static void 89 cpunode_attach(device_t parent, device_t self, void *aux) 90 { 91 const struct cpunode_locators *cnl = cpu_md_ops.md_cpunode_locs; 92 struct cpunode_softc * const sc = device_private(self); 93 struct mainbus_attach_args * const ma = aux; 94 struct cpunode_attach_args cna; 95 96 sc->sc_dev = self; 97 98 aprint_normal("\n"); 99 aprint_normal_dev(self, 100 "%"PRIu64"KB/%"PRIu64"B %"PRIu64"-banked %"PRIu64"-way unified L2 cache\n", 101 board_info_get_number("l2-cache-size") / 1024, 102 board_info_get_number("l2-cache-line-size"), 103 board_info_get_number("l2-cache-banks"), 104 board_info_get_number("l2-cache-ways")); 105 106 nodes |= 1 << ma->ma_node; 107 108 for (u_int childmask = 1; cnl->cnl_name != NULL; cnl++, childmask <<= 1) { 109 cna.cna_busname = "cpunode"; 110 cna.cna_memt = ma->ma_memt; 111 cna.cna_dmat = ma->ma_dmat; 112 cna.cna_childmask = childmask; 113 cna.cna_locs = *cnl; 114 115 #if DEBUG > 1 116 aprint_normal_dev(self, "dev=%s[%u], addr=%x@%x", 117 cnl->cnl_name, cnl->cnl_instance, cnl->cnl_size, 118 cnl->cnl_addr); 119 if (cnl->cnl_nintr > 0) { 120 aprint_normal(", intrs=%u", cnl->cnl_intrs[0]); 121 for (u_int i = 1; i < cnl->cnl_nintr; i++) 122 aprint_normal(",%u", cnl->cnl_intrs[i]); 123 } 124 aprint_normal("\n"); 125 #endif 126 (void)config_found_sm_loc(self, "cpunode", NULL, &cna, 127 cpunode_print, NULL); 128 } 129 /* 130 * Anything MD left to do? 131 */ 132 if (cpu_md_ops.md_cpunode_attach != NULL) 133 (*cpu_md_ops.md_cpunode_attach)(parent, self, aux); 134 } 135 136 static int cpu_match(device_t, cfdata_t, void *); 137 static void cpu_attach(device_t, device_t, void *); 138 139 CFATTACH_DECL_NEW(cpu, 0, 140 cpu_match, cpu_attach, NULL, NULL); 141 142 static int 143 cpu_match(device_t parent, cfdata_t cf, void *aux) 144 { 145 struct cpunode_softc * const psc = device_private(parent); 146 struct cpunode_attach_args * const cna = aux; 147 148 if (strcmp(cna->cna_locs.cnl_name, cpu_cd.cd_name) != 0) 149 return 0; 150 151 if (psc->sc_children & cna->cna_childmask) 152 return 0; 153 154 return 1; 155 } 156 157 static void 158 cpu_attach(device_t parent, device_t self, void *aux) 159 { 160 struct cpunode_softc * const psc = device_private(parent); 161 struct cpunode_attach_args * const cna = aux; 162 163 psc->sc_children |= cna->cna_childmask; 164 165 aprint_normal("\n"); 166 167 (*cpu_md_ops.md_cpu_attach)(self, cna->cna_locs.cnl_instance); 168 } 169
Indexes created Sat Oct 11 19:10:01 GMT 2025