1 /* 2 * (C) Copyright 2002 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #include <common.h> 25 #include <console.h> 26 #include <watchdog.h> 27 #include <post.h> 28 29 #ifdef CONFIG_LOGBUFFER 30 #include <logbuff.h> 31 #endif 32 33 #ifdef CONFIG_POST 34 35 DECLARE_GLOBAL_DATA_PTR; 36 37 #define POST_MAX_NUMBER 32 38 39 #define BOOTMODE_MAGIC 0xDEAD0000 40 41 int post_init_f (void) 42 { 43 int res = 0; 44 unsigned int i; 45 46 for (i = 0; i < post_list_size; i++) { 47 struct post_test *test = post_list + i; 48 49 if (test->init_f && test->init_f()) { 50 res = -1; 51 } 52 } 53 54 gd->post_init_f_time = post_time_ms(0); 55 if (!gd->post_init_f_time) 56 { 57 printf("post/post.c: post_time_ms seems not to be implemented\n"); 58 } 59 60 return res; 61 } 62 63 void post_bootmode_init (void) 64 { 65 int bootmode = post_bootmode_get (0); 66 int newword; 67 68 if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) { 69 newword = BOOTMODE_MAGIC | POST_SLOWTEST; 70 } else if (bootmode == 0) { 71 newword = BOOTMODE_MAGIC | POST_POWERON; 72 } else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) { 73 newword = BOOTMODE_MAGIC | POST_NORMAL; 74 } else { 75 /* Use old value */ 76 newword = post_word_load () & ~POST_COLDBOOT; 77 } 78 79 if (bootmode == 0) 80 { 81 /* We are booting after power-on */ 82 newword |= POST_COLDBOOT; 83 } 84 85 post_word_store (newword); 86 87 /* Reset activity record */ 88 gd->post_log_word = 0; 89 } 90 91 int post_bootmode_get (unsigned int *last_test) 92 { 93 unsigned long word = post_word_load (); 94 int bootmode; 95 96 if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) { 97 return 0; 98 } 99 100 bootmode = word & 0x7F; 101 102 if (last_test && (bootmode & POST_POWERTEST)) { 103 *last_test = (word >> 8) & 0xFF; 104 } 105 106 return bootmode; 107 } 108 109 /* POST tests run before relocation only mark status bits .... */ 110 static void post_log_mark_start ( unsigned long testid ) 111 { 112 gd->post_log_word |= (testid)<<16; 113 } 114 115 static void post_log_mark_succ ( unsigned long testid ) 116 { 117 gd->post_log_word |= testid; 118 } 119 120 /* ... and the messages are output once we are relocated */ 121 void post_output_backlog ( void ) 122 { 123 int j; 124 125 for (j = 0; j < post_list_size; j++) { 126 if (gd->post_log_word & (post_list[j].testid<<16)) { 127 post_log ("POST %s ", post_list[j].cmd); 128 if (gd->post_log_word & post_list[j].testid) 129 post_log ("PASSED\n"); 130 else { 131 post_log ("FAILED\n"); 132 #ifdef CONFIG_SHOW_BOOT_PROGRESS 133 show_boot_progress(-31); 134 #endif 135 } 136 } 137 } 138 } 139 140 static void post_bootmode_test_on (unsigned int last_test) 141 { 142 unsigned long word = post_word_load (); 143 144 word |= POST_POWERTEST; 145 146 word |= (last_test & 0xFF) << 8; 147 148 post_word_store (word); 149 } 150 151 static void post_bootmode_test_off (void) 152 { 153 unsigned long word = post_word_load (); 154 155 word &= ~POST_POWERTEST; 156 157 post_word_store (word); 158 } 159 160 static void post_get_flags (int *test_flags) 161 { 162 int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST }; 163 char *var[] = { "post_poweron", "post_normal", "post_slowtest" }; 164 int varnum = sizeof (var) / sizeof (var[0]); 165 char list[128]; /* long enough for POST list */ 166 char *name; 167 char *s; 168 int last; 169 int i, j; 170 171 for (j = 0; j < post_list_size; j++) { 172 test_flags[j] = post_list[j].flags; 173 } 174 175 for (i = 0; i < varnum; i++) { 176 if (getenv_r (var[i], list, sizeof (list)) <= 0) 177 continue; 178 179 for (j = 0; j < post_list_size; j++) { 180 test_flags[j] &= ~flag[i]; 181 } 182 183 last = 0; 184 name = list; 185 while (!last) { 186 while (*name && *name == ' ') 187 name++; 188 if (*name == 0) 189 break; 190 s = name + 1; 191 while (*s && *s != ' ') 192 s++; 193 if (*s == 0) 194 last = 1; 195 else 196 *s = 0; 197 198 for (j = 0; j < post_list_size; j++) { 199 if (strcmp (post_list[j].cmd, name) == 0) { 200 test_flags[j] |= flag[i]; 201 break; 202 } 203 } 204 205 if (j == post_list_size) { 206 printf ("No such test: %s\n", name); 207 } 208 209 name = s + 1; 210 } 211 } 212 213 for (j = 0; j < post_list_size; j++) { 214 if (test_flags[j] & POST_POWERON) { 215 test_flags[j] |= POST_SLOWTEST; 216 } 217 } 218 } 219 220 static int post_run_single (struct post_test *test, 221 int test_flags, int flags, unsigned int i) 222 { 223 if ((flags & test_flags & POST_ALWAYS) && 224 (flags & test_flags & POST_MEM)) { 225 WATCHDOG_RESET (); 226 227 if (!(flags & POST_REBOOT)) { 228 if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) { 229 post_bootmode_test_on (i); 230 } 231 232 if (test_flags & POST_PREREL) 233 post_log_mark_start ( test->testid ); 234 else 235 post_log ("POST %s ", test->cmd); 236 } 237 238 if (test_flags & POST_PREREL) { 239 if ((*test->test) (flags) == 0) 240 post_log_mark_succ ( test->testid ); 241 } else { 242 if ((*test->test) (flags) != 0) { 243 post_log ("FAILED\n"); 244 #ifdef CONFIG_SHOW_BOOT_PROGRESS 245 show_boot_progress(-32); 246 #endif 247 } 248 else 249 post_log ("PASSED\n"); 250 } 251 252 if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) { 253 post_bootmode_test_off (); 254 } 255 256 return 0; 257 } else { 258 return -1; 259 } 260 } 261 262 int post_run (char *name, int flags) 263 { 264 unsigned int i; 265 int test_flags[POST_MAX_NUMBER]; 266 267 post_get_flags (test_flags); 268 269 if (name == NULL) { 270 unsigned int last; 271 272 if (post_bootmode_get (&last) & POST_POWERTEST) { 273 if (last < post_list_size && 274 (flags & test_flags[last] & POST_ALWAYS) && 275 (flags & test_flags[last] & POST_MEM)) { 276 277 post_run_single (post_list + last, 278 test_flags[last], 279 flags | POST_REBOOT, last); 280 281 for (i = last + 1; i < post_list_size; i++) { 282 post_run_single (post_list + i, 283 test_flags[i], 284 flags, i); 285 } 286 } 287 } else { 288 for (i = 0; i < post_list_size; i++) { 289 post_run_single (post_list + i, 290 test_flags[i], 291 flags, i); 292 } 293 } 294 295 return 0; 296 } else { 297 for (i = 0; i < post_list_size; i++) { 298 if (strcmp (post_list[i].cmd, name) == 0) 299 break; 300 } 301 302 if (i < post_list_size) { 303 return post_run_single (post_list + i, 304 test_flags[i], 305 flags, i); 306 } else { 307 return -1; 308 } 309 } 310 } 311 312 static int post_info_single (struct post_test *test, int full) 313 { 314 if (test->flags & POST_MANUAL) { 315 if (full) 316 printf ("%s - %s\n" 317 " %s\n", test->cmd, test->name, test->desc); 318 else 319 printf (" %-15s - %s\n", test->cmd, test->name); 320 321 return 0; 322 } else { 323 return -1; 324 } 325 } 326 327 int post_info (char *name) 328 { 329 unsigned int i; 330 331 if (name == NULL) { 332 for (i = 0; i < post_list_size; i++) { 333 post_info_single (post_list + i, 0); 334 } 335 336 return 0; 337 } else { 338 for (i = 0; i < post_list_size; i++) { 339 if (strcmp (post_list[i].cmd, name) == 0) 340 break; 341 } 342 343 if (i < post_list_size) { 344 return post_info_single (post_list + i, 1); 345 } else { 346 return -1; 347 } 348 } 349 } 350 351 int post_log (char *format, ...) 352 { 353 va_list args; 354 uint i; 355 char printbuffer[CFG_PBSIZE]; 356 357 va_start (args, format); 358 359 /* For this to work, printbuffer must be larger than 360 * anything we ever want to print. 361 */ 362 i = vsprintf (printbuffer, format, args); 363 va_end (args); 364 365 #ifdef CONFIG_LOGBUFFER 366 /* Send to the logbuffer */ 367 logbuff_log (printbuffer); 368 #else 369 /* Send to the stdout file */ 370 puts (printbuffer); 371 #endif 372 373 return 0; 374 } 375 376 void post_reloc (void) 377 { 378 unsigned int i; 379 380 /* 381 * We have to relocate the test table manually 382 */ 383 for (i = 0; i < post_list_size; i++) { 384 ulong addr; 385 struct post_test *test = post_list + i; 386 387 if (test->name) { 388 addr = (ulong) (test->name) + gd->reloc_off; 389 test->name = (char *) addr; 390 } 391 392 if (test->cmd) { 393 addr = (ulong) (test->cmd) + gd->reloc_off; 394 test->cmd = (char *) addr; 395 } 396 397 if (test->desc) { 398 addr = (ulong) (test->desc) + gd->reloc_off; 399 test->desc = (char *) addr; 400 } 401 402 if (test->test) { 403 addr = (ulong) (test->test) + gd->reloc_off; 404 test->test = (int (*)(int flags)) addr; 405 } 406 407 if (test->init_f) { 408 addr = (ulong) (test->init_f) + gd->reloc_off; 409 test->init_f = (int (*)(void)) addr; 410 } 411 412 if (test->reloc) { 413 addr = (ulong) (test->reloc) + gd->reloc_off; 414 test->reloc = (void (*)(void)) addr; 415 416 test->reloc(); 417 } 418 } 419 } 420 421 422 /* 423 * Some tests (e.g. SYSMON) need the time when post_init_f started, 424 * but we cannot use get_timer() at this point. 425 * 426 * On PowerPC we implement it using the timebase register. 427 */ 428 unsigned long post_time_ms (unsigned long base) 429 { 430 #ifdef CONFIG_PPC 431 return (unsigned long)get_ticks () / (get_tbclk () / CFG_HZ) - base; 432 #else 433 #warning "Not implemented yet" 434 return 0; /* Not implemented yet */ 435 #endif 436 } 437 438 #endif /* CONFIG_POST */ 439