obs266_machdep.c revision 1.1.10.2
1 1.1.10.2 tron /* $NetBSD: obs266_machdep.c,v 1.1.10.2 2005/09/14 20:54:00 tron Exp $ */ 2 1.1.10.2 tron /* Original: md_machdep.c,v 1.3 2005/01/24 18:47:37 shige Exp $ */ 3 1.1.10.2 tron 4 1.1.10.2 tron /* 5 1.1.10.2 tron * Copyright 2001, 2002 Wasabi Systems, Inc. 6 1.1.10.2 tron * All rights reserved. 7 1.1.10.2 tron * 8 1.1.10.2 tron * Written by Eduardo Horvath and Simon Burge for Wasabi Systems, Inc. 9 1.1.10.2 tron * 10 1.1.10.2 tron * Redistribution and use in source and binary forms, with or without 11 1.1.10.2 tron * modification, are permitted provided that the following conditions 12 1.1.10.2 tron * are met: 13 1.1.10.2 tron * 1. Redistributions of source code must retain the above copyright 14 1.1.10.2 tron * notice, this list of conditions and the following disclaimer. 15 1.1.10.2 tron * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.10.2 tron * notice, this list of conditions and the following disclaimer in the 17 1.1.10.2 tron * documentation and/or other materials provided with the distribution. 18 1.1.10.2 tron * 3. All advertising materials mentioning features or use of this software 19 1.1.10.2 tron * must display the following acknowledgement: 20 1.1.10.2 tron * This product includes software developed for the NetBSD Project by 21 1.1.10.2 tron * Wasabi Systems, Inc. 22 1.1.10.2 tron * 4. The name of Wasabi Systems, Inc. may not be used to endorse 23 1.1.10.2 tron * or promote products derived from this software without specific prior 24 1.1.10.2 tron * written permission. 25 1.1.10.2 tron * 26 1.1.10.2 tron * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 27 1.1.10.2 tron * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.10.2 tron * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.10.2 tron * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 30 1.1.10.2 tron * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.10.2 tron * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.10.2 tron * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.10.2 tron * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.10.2 tron * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.10.2 tron * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.10.2 tron * POSSIBILITY OF SUCH DAMAGE. 37 1.1.10.2 tron */ 38 1.1.10.2 tron 39 1.1.10.2 tron /* 40 1.1.10.2 tron * Copyright (C) 1995, 1996 Wolfgang Solfrank. 41 1.1.10.2 tron * Copyright (C) 1995, 1996 TooLs GmbH. 42 1.1.10.2 tron * All rights reserved. 43 1.1.10.2 tron * 44 1.1.10.2 tron * Redistribution and use in source and binary forms, with or without 45 1.1.10.2 tron * modification, are permitted provided that the following conditions 46 1.1.10.2 tron * are met: 47 1.1.10.2 tron * 1. Redistributions of source code must retain the above copyright 48 1.1.10.2 tron * notice, this list of conditions and the following disclaimer. 49 1.1.10.2 tron * 2. Redistributions in binary form must reproduce the above copyright 50 1.1.10.2 tron * notice, this list of conditions and the following disclaimer in the 51 1.1.10.2 tron * documentation and/or other materials provided with the distribution. 52 1.1.10.2 tron * 3. All advertising materials mentioning features or use of this software 53 1.1.10.2 tron * must display the following acknowledgement: 54 1.1.10.2 tron * This product includes software developed by TooLs GmbH. 55 1.1.10.2 tron * 4. The name of TooLs GmbH may not be used to endorse or promote products 56 1.1.10.2 tron * derived from this software without specific prior written permission. 57 1.1.10.2 tron * 58 1.1.10.2 tron * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 59 1.1.10.2 tron * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 60 1.1.10.2 tron * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 61 1.1.10.2 tron * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 62 1.1.10.2 tron * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 63 1.1.10.2 tron * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 64 1.1.10.2 tron * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 65 1.1.10.2 tron * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 66 1.1.10.2 tron * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 67 1.1.10.2 tron * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 68 1.1.10.2 tron */ 69 1.1.10.2 tron 70 1.1.10.2 tron #include <sys/cdefs.h> 71 1.1.10.2 tron __KERNEL_RCSID(0, "$NetBSD: obs266_machdep.c,v 1.1.10.2 2005/09/14 20:54:00 tron Exp $"); 72 1.1.10.2 tron 73 1.1.10.2 tron #include "opt_compat_netbsd.h" 74 1.1.10.2 tron #include "opt_ddb.h" 75 1.1.10.2 tron #include "opt_ipkdb.h" 76 1.1.10.2 tron 77 1.1.10.2 tron #include <sys/param.h> 78 1.1.10.2 tron #include <sys/kernel.h> 79 1.1.10.2 tron #include <sys/ksyms.h> 80 1.1.10.2 tron #include <sys/mount.h> 81 1.1.10.2 tron #include <sys/reboot.h> 82 1.1.10.2 tron #include <sys/systm.h> 83 1.1.10.2 tron 84 1.1.10.2 tron #include <uvm/uvm.h> 85 1.1.10.2 tron #include <uvm/uvm_extern.h> 86 1.1.10.2 tron 87 1.1.10.2 tron #include <machine/bus.h> 88 1.1.10.2 tron #include <machine/cpu.h> 89 1.1.10.2 tron #include <machine/obs266.h> 90 1.1.10.2 tron #include <powerpc/spr.h> 91 1.1.10.2 tron 92 1.1.10.2 tron #include <powerpc/ibm4xx/dcr405gp.h> 93 1.1.10.2 tron #include <powerpc/ibm4xx/openbios.h> 94 1.1.10.2 tron 95 1.1.10.2 tron #include "ksyms.h" 96 1.1.10.2 tron 97 1.1.10.2 tron /* 98 1.1.10.2 tron * Global variables used here and there 99 1.1.10.2 tron */ 100 1.1.10.2 tron char bootpath[256]; 101 1.1.10.2 tron 102 1.1.10.2 tron extern paddr_t msgbuf_paddr; 103 1.1.10.2 tron 104 1.1.10.2 tron #if NKSYMS || defined(DDB) || defined(LKM) 105 1.1.10.2 tron void *startsym, *endsym; 106 1.1.10.2 tron #endif 107 1.1.10.2 tron 108 1.1.10.2 tron void initppc(u_int, u_int, char *, void *); 109 1.1.10.2 tron int lcsplx(int); 110 1.1.10.2 tron 111 1.1.10.2 tron 112 1.1.10.2 tron void 113 1.1.10.2 tron initppc(u_int startkernel, u_int endkernel, char *args, void *info_block) 114 1.1.10.2 tron { 115 1.1.10.2 tron u_int memsize; 116 1.1.10.2 tron 117 1.1.10.2 tron /* Disable all external interrupts */ 118 1.1.10.2 tron mtdcr(DCR_UIC0_ER, 0); 119 1.1.10.2 tron 120 1.1.10.2 tron /* Setup board from OpenBIOS */ 121 1.1.10.2 tron openbios_board_init(info_block, startkernel); 122 1.1.10.2 tron memsize = openbios_board_memsize_get(); 123 1.1.10.2 tron 124 1.1.10.2 tron /* Initialize IBM405GPr CPU */ 125 1.1.10.2 tron ibm40x_memsize_init(memsize, startkernel); 126 1.1.10.2 tron ibm4xx_init((void (*)(void))ext_intr); 127 1.1.10.2 tron 128 1.1.10.2 tron /* 129 1.1.10.2 tron * Initialize console. 130 1.1.10.2 tron */ 131 1.1.10.2 tron consinit(); 132 1.1.10.2 tron 133 1.1.10.2 tron /* 134 1.1.10.2 tron * Set the page size. 135 1.1.10.2 tron */ 136 1.1.10.2 tron uvm_setpagesize(); 137 1.1.10.2 tron 138 1.1.10.2 tron /* 139 1.1.10.2 tron * Initialize pmap module. 140 1.1.10.2 tron */ 141 1.1.10.2 tron pmap_bootstrap(startkernel, endkernel); 142 1.1.10.2 tron 143 1.1.10.2 tron #ifdef DEBUG 144 1.1.10.2 tron openbios_board_print(); 145 1.1.10.2 tron #endif 146 1.1.10.2 tron 147 1.1.10.2 tron #if NKSYMS || defined(DDB) || defined(LKM) 148 1.1.10.2 tron ksyms_init((int)((u_int)endsym - (u_int)startsym), startsym, endsym); 149 1.1.10.2 tron #endif 150 1.1.10.2 tron #ifdef DDB 151 1.1.10.2 tron if (boothowto & RB_KDB) 152 1.1.10.2 tron Debugger(); 153 1.1.10.2 tron #endif 154 1.1.10.2 tron #ifdef IPKDB 155 1.1.10.2 tron /* 156 1.1.10.2 tron * Now trap to IPKDB 157 1.1.10.2 tron */ 158 1.1.10.2 tron ipkdb_init(); 159 1.1.10.2 tron if (boothowto & RB_KDB) 160 1.1.10.2 tron ipkdb_connect(0); 161 1.1.10.2 tron #endif 162 1.1.10.2 tron } 163 1.1.10.2 tron 164 1.1.10.2 tron void 165 1.1.10.2 tron consinit(void) 166 1.1.10.2 tron { 167 1.1.10.2 tron 168 1.1.10.2 tron obs405_consinit(OBS266_COM_FREQ); 169 1.1.10.2 tron } 170 1.1.10.2 tron 171 1.1.10.2 tron int 172 1.1.10.2 tron lcsplx(int ipl) 173 1.1.10.2 tron { 174 1.1.10.2 tron 175 1.1.10.2 tron return spllower(ipl); /* XXX */ 176 1.1.10.2 tron } 177 1.1.10.2 tron 178 1.1.10.2 tron 179 1.1.10.2 tron /* 180 1.1.10.2 tron * Machine dependent startup code. 181 1.1.10.2 tron */ 182 1.1.10.2 tron void 183 1.1.10.2 tron cpu_startup(void) 184 1.1.10.2 tron { 185 1.1.10.2 tron 186 1.1.10.2 tron /* 187 1.1.10.2 tron * cpu common startup 188 1.1.10.2 tron */ 189 1.1.10.2 tron ibm4xx_cpu_startup("OpenBlockS266 IBM PowerPC 405GPr Board"); 190 1.1.10.2 tron 191 1.1.10.2 tron /* 192 1.1.10.2 tron * Set up the board properties database. 193 1.1.10.2 tron */ 194 1.1.10.2 tron openbios_board_info_set(); 195 1.1.10.2 tron 196 1.1.10.2 tron /* 197 1.1.10.2 tron * Now that we have VM, malloc()s are OK in bus_space. 198 1.1.10.2 tron */ 199 1.1.10.2 tron bus_space_mallocok(); 200 1.1.10.2 tron 201 1.1.10.2 tron /* 202 1.1.10.2 tron * no fake mapiodev 203 1.1.10.2 tron */ 204 1.1.10.2 tron fake_mapiodev = 0; 205 1.1.10.2 tron } 206 1.1.10.2 tron 207 1.1.10.2 tron /* 208 1.1.10.2 tron * Halt or reboot the machine after syncing/dumping according to howto. 209 1.1.10.2 tron */ 210 1.1.10.2 tron void 211 1.1.10.2 tron cpu_reboot(int howto, char *what) 212 1.1.10.2 tron { 213 1.1.10.2 tron static int syncing; 214 1.1.10.2 tron static char str[256]; 215 1.1.10.2 tron char *ap = str, *ap1 = ap; 216 1.1.10.2 tron 217 1.1.10.2 tron obs266_led_set(OBS266_LED_ON); 218 1.1.10.2 tron 219 1.1.10.2 tron boothowto = howto; 220 1.1.10.2 tron if (!cold && !(howto & RB_NOSYNC) && !syncing) { 221 1.1.10.2 tron syncing = 1; 222 1.1.10.2 tron vfs_shutdown(); /* sync */ 223 1.1.10.2 tron resettodr(); /* set wall clock */ 224 1.1.10.2 tron } 225 1.1.10.2 tron 226 1.1.10.2 tron splhigh(); 227 1.1.10.2 tron 228 1.1.10.2 tron if (!cold && (howto & RB_DUMP)) 229 1.1.10.2 tron ibm4xx_dumpsys(); 230 1.1.10.2 tron 231 1.1.10.2 tron doshutdownhooks(); 232 1.1.10.2 tron 233 1.1.10.2 tron if ((howto & RB_POWERDOWN) == RB_POWERDOWN) { 234 1.1.10.2 tron /* Power off here if we know how...*/ 235 1.1.10.2 tron } 236 1.1.10.2 tron 237 1.1.10.2 tron if (howto & RB_HALT) { 238 1.1.10.2 tron printf("halted\n\n"); 239 1.1.10.2 tron 240 1.1.10.2 tron #if 0 241 1.1.10.2 tron goto reboot; /* XXX for now... */ 242 1.1.10.2 tron #endif 243 1.1.10.2 tron 244 1.1.10.2 tron #ifdef DDB 245 1.1.10.2 tron printf("dropping to debugger\n"); 246 1.1.10.2 tron while(1) 247 1.1.10.2 tron Debugger(); 248 1.1.10.2 tron #endif 249 1.1.10.2 tron } 250 1.1.10.2 tron 251 1.1.10.2 tron printf("rebooting\n\n"); 252 1.1.10.2 tron if (what && *what) { 253 1.1.10.2 tron if (strlen(what) > sizeof str - 5) 254 1.1.10.2 tron printf("boot string too large, ignored\n"); 255 1.1.10.2 tron else { 256 1.1.10.2 tron strcpy(str, what); 257 1.1.10.2 tron ap1 = ap = str + strlen(str); 258 1.1.10.2 tron *ap++ = ' '; 259 1.1.10.2 tron } 260 1.1.10.2 tron } 261 1.1.10.2 tron *ap++ = '-'; 262 1.1.10.2 tron if (howto & RB_SINGLE) 263 1.1.10.2 tron *ap++ = 's'; 264 1.1.10.2 tron if (howto & RB_KDB) 265 1.1.10.2 tron *ap++ = 'd'; 266 1.1.10.2 tron *ap++ = 0; 267 1.1.10.2 tron if (ap[-2] == '-') 268 1.1.10.2 tron *ap1 = 0; 269 1.1.10.2 tron 270 1.1.10.2 tron /* flush cache for msgbuf */ 271 1.1.10.2 tron __syncicache((void *)msgbuf_paddr, round_page(MSGBUFSIZE)); 272 1.1.10.2 tron 273 1.1.10.2 tron #if 0 274 1.1.10.2 tron reboot: 275 1.1.10.2 tron #endif 276 1.1.10.2 tron ppc4xx_reset(); 277 1.1.10.2 tron 278 1.1.10.2 tron printf("ppc4xx_reset() failed!\n"); 279 1.1.10.2 tron #ifdef DDB 280 1.1.10.2 tron while(1) 281 1.1.10.2 tron Debugger(); 282 1.1.10.2 tron #else 283 1.1.10.2 tron while (1) 284 1.1.10.2 tron /* nothing */; 285 1.1.10.2 tron #endif 286 1.1.10.2 tron } 287
Indexes created Wed Oct 22 13:09:56 GMT 2025