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