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 #define POST_MAX_NUMBER 32 36 37 #define BOOTMODE_MAGIC 0xDEAD0000 38 39 int post_init_f (void) 40 { 41 DECLARE_GLOBAL_DATA_PTR; 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 DECLARE_GLOBAL_DATA_PTR; 66 int bootmode = post_bootmode_get (0); 67 int newword; 68 69 if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) { 70 newword = BOOTMODE_MAGIC | POST_SLOWTEST; 71 } else if (bootmode == 0) { 72 newword = BOOTMODE_MAGIC | POST_POWERON; 73 } else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) { 74 newword = BOOTMODE_MAGIC | POST_NORMAL; 75 } else { 76 /* Use old value */ 77 newword = post_word_load () & ~POST_COLDBOOT; 78 } 79 80 if (bootmode == 0) 81 { 82 /* We are booting after power-on */ 83 newword |= POST_COLDBOOT; 84 } 85 86 post_word_store (newword); 87 88 /* Reset activity record */ 89 gd->post_log_word = 0; 90 } 91 92 int post_bootmode_get (unsigned int *last_test) 93 { 94 unsigned long word = post_word_load (); 95 int bootmode; 96 97 if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) { 98 return 0; 99 } 100 101 bootmode = word & 0x7F; 102 103 if (last_test && (bootmode & POST_POWERTEST)) { 104 *last_test = (word >> 8) & 0xFF; 105 } 106 107 return bootmode; 108 } 109 110 /* POST tests run before relocation only mark status bits .... */ 111 static void post_log_mark_start ( unsigned long testid ) 112 { 113 DECLARE_GLOBAL_DATA_PTR; 114 gd->post_log_word |= (testid)<<16; 115 } 116 117 static void post_log_mark_succ ( unsigned long testid ) 118 { 119 DECLARE_GLOBAL_DATA_PTR; 120 gd->post_log_word |= testid; 121 } 122 123 /* ... and the messages are output once we are relocated */ 124 void post_output_backlog ( void ) 125 { 126 DECLARE_GLOBAL_DATA_PTR; 127 int j; 128 129 for (j = 0; j < post_list_size; j++) { 130 if (gd->post_log_word & (post_list[j].testid<<16)) { 131 post_log ("POST %s ", post_list[j].cmd); 132 if (gd->post_log_word & post_list[j].testid) 133 post_log ("PASSED\n"); 134 else { 135 post_log ("FAILED\n"); 136 #ifdef CONFIG_SHOW_BOOT_PROGRESS 137 show_boot_progress(-31); 138 #endif 139 } 140 } 141 } 142 } 143 144 static void post_bootmode_test_on (unsigned int last_test) 145 { 146 unsigned long word = post_word_load (); 147 148 word |= POST_POWERTEST; 149 150 word |= (last_test & 0xFF) << 8; 151 152 post_word_store (word); 153 } 154 155 static void post_bootmode_test_off (void) 156 { 157 unsigned long word = post_word_load (); 158 159 word &= ~POST_POWERTEST; 160 161 post_word_store (word); 162 } 163 164 static void post_get_flags (int *test_flags) 165 { 166 int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST }; 167 char *var[] = { "post_poweron", "post_normal", "post_slowtest" }; 168 int varnum = sizeof (var) / sizeof (var[0]); 169 char list[128]; /* long enough for POST list */ 170 char *name; 171 char *s; 172 int last; 173 int i, j; 174 175 for (j = 0; j < post_list_size; j++) { 176 test_flags[j] = post_list[j].flags; 177 } 178 179 for (i = 0; i < varnum; i++) { 180 if (getenv_r (var[i], list, sizeof (list)) <= 0) 181 continue; 182 183 for (j = 0; j < post_list_size; j++) { 184 test_flags[j] &= ~flag[i]; 185 } 186 187 last = 0; 188 name = list; 189 while (!last) { 190 while (*name && *name == ' ') 191 name++; 192 if (*name == 0) 193 break; 194 s = name + 1; 195 while (*s && *s != ' ') 196 s++; 197 if (*s == 0) 198 last = 1; 199 else 200 *s = 0; 201 202 for (j = 0; j < post_list_size; j++) { 203 if (strcmp (post_list[j].cmd, name) == 0) { 204 test_flags[j] |= flag[i]; 205 break; 206 } 207 } 208 209 if (j == post_list_size) { 210 printf ("No such test: %s\n", name); 211 } 212 213 name = s + 1; 214 } 215 } 216 217 for (j = 0; j < post_list_size; j++) { 218 if (test_flags[j] & POST_POWERON) { 219 test_flags[j] |= POST_SLOWTEST; 220 } 221 } 222 } 223 224 static int post_run_single (struct post_test *test, 225 int test_flags, int flags, unsigned int i) 226 { 227 if ((flags & test_flags & POST_ALWAYS) && 228 (flags & test_flags & POST_MEM)) { 229 WATCHDOG_RESET (); 230 231 if (!(flags & POST_REBOOT)) { 232 if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) { 233 post_bootmode_test_on (i); 234 } 235 236 if (test_flags & POST_PREREL) 237 post_log_mark_start ( test->testid ); 238 else 239 post_log ("POST %s ", test->cmd); 240 } 241 242 if (test_flags & POST_PREREL) { 243 if ((*test->test) (flags) == 0) 244 post_log_mark_succ ( test->testid ); 245 } else { 246 if ((*test->test) (flags) != 0) { 247 post_log ("FAILED\n"); 248 #ifdef CONFIG_SHOW_BOOT_PROGRESS 249 show_boot_progress(-32); 250 #endif 251 } 252 else 253 post_log ("PASSED\n"); 254 } 255 256 if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) { 257 post_bootmode_test_off (); 258 } 259 260 return 0; 261 } else { 262 return -1; 263 } 264 } 265 266 int post_run (char *name, int flags) 267 { 268 unsigned int i; 269 int test_flags[POST_MAX_NUMBER]; 270 271 post_get_flags (test_flags); 272 273 if (name == NULL) { 274 unsigned int last; 275 276 if (post_bootmode_get (&last) & POST_POWERTEST) { 277 if (last < post_list_size && 278 (flags & test_flags[last] & POST_ALWAYS) && 279 (flags & test_flags[last] & POST_MEM)) { 280 281 post_run_single (post_list + last, 282 test_flags[last], 283 flags | POST_REBOOT, last); 284 285 for (i = last + 1; i < post_list_size; i++) { 286 post_run_single (post_list + i, 287 test_flags[i], 288 flags, i); 289 } 290 } 291 } else { 292 for (i = 0; i < post_list_size; i++) { 293 post_run_single (post_list + i, 294 test_flags[i], 295 flags, i); 296 } 297 } 298 299 return 0; 300 } else { 301 for (i = 0; i < post_list_size; i++) { 302 if (strcmp (post_list[i].cmd, name) == 0) 303 break; 304 } 305 306 if (i < post_list_size) { 307 return post_run_single (post_list + i, 308 test_flags[i], 309 flags, i); 310 } else { 311 return -1; 312 } 313 } 314 } 315 316 static int post_info_single (struct post_test *test, int full) 317 { 318 if (test->flags & POST_MANUAL) { 319 if (full) 320 printf ("%s - %s\n" 321 " %s\n", test->cmd, test->name, test->desc); 322 else 323 printf (" %-15s - %s\n", test->cmd, test->name); 324 325 return 0; 326 } else { 327 return -1; 328 } 329 } 330 331 int post_info (char *name) 332 { 333 unsigned int i; 334 335 if (name == NULL) { 336 for (i = 0; i < post_list_size; i++) { 337 post_info_single (post_list + i, 0); 338 } 339 340 return 0; 341 } else { 342 for (i = 0; i < post_list_size; i++) { 343 if (strcmp (post_list[i].cmd, name) == 0) 344 break; 345 } 346 347 if (i < post_list_size) { 348 return post_info_single (post_list + i, 1); 349 } else { 350 return -1; 351 } 352 } 353 } 354 355 int post_log (char *format, ...) 356 { 357 va_list args; 358 uint i; 359 char printbuffer[CFG_PBSIZE]; 360 361 va_start (args, format); 362 363 /* For this to work, printbuffer must be larger than 364 * anything we ever want to print. 365 */ 366 i = vsprintf (printbuffer, format, args); 367 va_end (args); 368 369 #ifdef CONFIG_LOGBUFFER 370 /* Send to the logbuffer */ 371 logbuff_log (printbuffer); 372 #else 373 /* Send to the stdout file */ 374 puts (printbuffer); 375 #endif 376 377 return 0; 378 } 379 380 void post_reloc (void) 381 { 382 DECLARE_GLOBAL_DATA_PTR; 383 384 unsigned int i; 385 386 /* 387 * We have to relocate the test table manually 388 */ 389 for (i = 0; i < post_list_size; i++) { 390 ulong addr; 391 struct post_test *test = post_list + i; 392 393 if (test->name) { 394 addr = (ulong) (test->name) + gd->reloc_off; 395 test->name = (char *) addr; 396 } 397 398 if (test->cmd) { 399 addr = (ulong) (test->cmd) + gd->reloc_off; 400 test->cmd = (char *) addr; 401 } 402 403 if (test->desc) { 404 addr = (ulong) (test->desc) + gd->reloc_off; 405 test->desc = (char *) addr; 406 } 407 408 if (test->test) { 409 addr = (ulong) (test->test) + gd->reloc_off; 410 test->test = (int (*)(int flags)) addr; 411 } 412 413 if (test->init_f) { 414 addr = (ulong) (test->init_f) + gd->reloc_off; 415 test->init_f = (int (*)(void)) addr; 416 } 417 418 if (test->reloc) { 419 addr = (ulong) (test->reloc) + gd->reloc_off; 420 test->reloc = (void (*)(void)) addr; 421 422 test->reloc(); 423 } 424 } 425 } 426 427 428 /* 429 * Some tests (e.g. SYSMON) need the time when post_init_f started, 430 * but we cannot use get_timer() at this point. 431 * 432 * On PowerPC we implement it using the timebase register. 433 */ 434 unsigned long post_time_ms (unsigned long base) 435 { 436 #ifdef CONFIG_PPC 437 return (unsigned long)get_ticks () / (get_tbclk () / CFG_HZ) - base; 438 #else 439 return 0; /* Not implemented yet */ 440 #endif 441 } 442 443 #endif /* CONFIG_POST */ 444