post.c 10 KB

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  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. #include <common.h>
  24. #include <stdio_dev.h>
  25. #include <watchdog.h>
  26. #include <post.h>
  27. #ifdef CONFIG_LOGBUFFER
  28. #include <logbuff.h>
  29. #endif
  30. DECLARE_GLOBAL_DATA_PTR;
  31. #define POST_MAX_NUMBER 32
  32. #define BOOTMODE_MAGIC 0xDEAD0000
  33. int post_init_f (void)
  34. {
  35. int res = 0;
  36. unsigned int i;
  37. for (i = 0; i < post_list_size; i++) {
  38. struct post_test *test = post_list + i;
  39. if (test->init_f && test->init_f()) {
  40. res = -1;
  41. }
  42. }
  43. gd->post_init_f_time = post_time_ms(0);
  44. if (!gd->post_init_f_time)
  45. {
  46. printf("post/post.c: post_time_ms seems not to be implemented\n");
  47. }
  48. return res;
  49. }
  50. /*
  51. * Supply a default implementation for post_hotkeys_pressed() for boards
  52. * without hotkey support. We always return 0 here, so that the
  53. * long-running tests won't be started.
  54. *
  55. * Boards with hotkey support can override this weak default function
  56. * by defining one in their board specific code.
  57. */
  58. int __post_hotkeys_pressed(void)
  59. {
  60. return 0; /* No hotkeys supported */
  61. }
  62. int post_hotkeys_pressed(void)
  63. __attribute__((weak, alias("__post_hotkeys_pressed")));
  64. void post_bootmode_init (void)
  65. {
  66. int bootmode = post_bootmode_get (0);
  67. int newword;
  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. if (bootmode == 0)
  79. {
  80. /* We are booting after power-on */
  81. newword |= POST_COLDBOOT;
  82. }
  83. post_word_store (newword);
  84. /* Reset activity record */
  85. gd->post_log_word = 0;
  86. }
  87. int post_bootmode_get (unsigned int *last_test)
  88. {
  89. unsigned long word = post_word_load ();
  90. int bootmode;
  91. if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
  92. return 0;
  93. }
  94. bootmode = word & 0x7F;
  95. if (last_test && (bootmode & POST_POWERTEST)) {
  96. *last_test = (word >> 8) & 0xFF;
  97. }
  98. return bootmode;
  99. }
  100. /* POST tests run before relocation only mark status bits .... */
  101. static void post_log_mark_start ( unsigned long testid )
  102. {
  103. gd->post_log_word |= (testid)<<16;
  104. }
  105. static void post_log_mark_succ ( unsigned long testid )
  106. {
  107. gd->post_log_word |= testid;
  108. }
  109. /* ... and the messages are output once we are relocated */
  110. void post_output_backlog ( void )
  111. {
  112. int j;
  113. for (j = 0; j < post_list_size; j++) {
  114. if (gd->post_log_word & (post_list[j].testid<<16)) {
  115. post_log ("POST %s ", post_list[j].cmd);
  116. if (gd->post_log_word & post_list[j].testid)
  117. post_log ("PASSED\n");
  118. else {
  119. post_log ("FAILED\n");
  120. show_boot_progress (-31);
  121. }
  122. }
  123. }
  124. }
  125. static void post_bootmode_test_on (unsigned int last_test)
  126. {
  127. unsigned long word = post_word_load ();
  128. word |= POST_POWERTEST;
  129. word |= (last_test & 0xFF) << 8;
  130. post_word_store (word);
  131. }
  132. static void post_bootmode_test_off (void)
  133. {
  134. unsigned long word = post_word_load ();
  135. word &= ~POST_POWERTEST;
  136. post_word_store (word);
  137. }
  138. static void post_get_flags (int *test_flags)
  139. {
  140. int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST,
  141. POST_CRITICAL };
  142. char *var[] = { "post_poweron", "post_normal", "post_slowtest",
  143. "post_critical" };
  144. int varnum = sizeof (var) / sizeof (var[0]);
  145. char list[128]; /* long enough for POST list */
  146. char *name;
  147. char *s;
  148. int last;
  149. int i, j;
  150. for (j = 0; j < post_list_size; j++) {
  151. test_flags[j] = post_list[j].flags;
  152. }
  153. for (i = 0; i < varnum; i++) {
  154. if (getenv_r (var[i], list, sizeof (list)) <= 0)
  155. continue;
  156. for (j = 0; j < post_list_size; j++) {
  157. test_flags[j] &= ~flag[i];
  158. }
  159. last = 0;
  160. name = list;
  161. while (!last) {
  162. while (*name && *name == ' ')
  163. name++;
  164. if (*name == 0)
  165. break;
  166. s = name + 1;
  167. while (*s && *s != ' ')
  168. s++;
  169. if (*s == 0)
  170. last = 1;
  171. else
  172. *s = 0;
  173. for (j = 0; j < post_list_size; j++) {
  174. if (strcmp (post_list[j].cmd, name) == 0) {
  175. test_flags[j] |= flag[i];
  176. break;
  177. }
  178. }
  179. if (j == post_list_size) {
  180. printf ("No such test: %s\n", name);
  181. }
  182. name = s + 1;
  183. }
  184. }
  185. for (j = 0; j < post_list_size; j++) {
  186. if (test_flags[j] & POST_POWERON) {
  187. test_flags[j] |= POST_SLOWTEST;
  188. }
  189. }
  190. }
  191. void __show_post_progress (unsigned int test_num, int before, int result)
  192. {
  193. }
  194. void show_post_progress (unsigned int, int, int)
  195. __attribute__((weak, alias("__show_post_progress")));
  196. static int post_run_single (struct post_test *test,
  197. int test_flags, int flags, unsigned int i)
  198. {
  199. if ((flags & test_flags & POST_ALWAYS) &&
  200. (flags & test_flags & POST_MEM)) {
  201. WATCHDOG_RESET ();
  202. if (!(flags & POST_REBOOT)) {
  203. if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
  204. post_bootmode_test_on (
  205. (gd->flags & GD_FLG_POSTFAIL) ?
  206. POST_FAIL_SAVE | i : i);
  207. }
  208. if (test_flags & POST_PREREL)
  209. post_log_mark_start ( test->testid );
  210. else
  211. post_log ("POST %s ", test->cmd);
  212. }
  213. show_post_progress(i, POST_BEFORE, POST_FAILED);
  214. if (test_flags & POST_PREREL) {
  215. if ((*test->test) (flags) == 0) {
  216. post_log_mark_succ ( test->testid );
  217. show_post_progress(i, POST_AFTER, POST_PASSED);
  218. }
  219. else {
  220. show_post_progress(i, POST_AFTER, POST_FAILED);
  221. if (test_flags & POST_CRITICAL)
  222. gd->flags |= GD_FLG_POSTFAIL;
  223. if (test_flags & POST_STOP)
  224. gd->flags |= GD_FLG_POSTSTOP;
  225. }
  226. } else {
  227. if ((*test->test) (flags) != 0) {
  228. post_log ("FAILED\n");
  229. show_boot_progress (-32);
  230. show_post_progress(i, POST_AFTER, POST_FAILED);
  231. if (test_flags & POST_CRITICAL)
  232. gd->flags |= GD_FLG_POSTFAIL;
  233. if (test_flags & POST_STOP)
  234. gd->flags |= GD_FLG_POSTSTOP;
  235. }
  236. else
  237. post_log ("PASSED\n");
  238. show_post_progress(i, POST_AFTER, POST_PASSED);
  239. }
  240. if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
  241. post_bootmode_test_off ();
  242. }
  243. return 0;
  244. } else {
  245. return -1;
  246. }
  247. }
  248. int post_run (char *name, int flags)
  249. {
  250. unsigned int i;
  251. int test_flags[POST_MAX_NUMBER];
  252. post_get_flags (test_flags);
  253. if (name == NULL) {
  254. unsigned int last;
  255. if (gd->flags & GD_FLG_POSTSTOP)
  256. return 0;
  257. if (post_bootmode_get (&last) & POST_POWERTEST) {
  258. if (last & POST_FAIL_SAVE) {
  259. last &= ~POST_FAIL_SAVE;
  260. gd->flags |= GD_FLG_POSTFAIL;
  261. }
  262. if (last < post_list_size &&
  263. (flags & test_flags[last] & POST_ALWAYS) &&
  264. (flags & test_flags[last] & POST_MEM)) {
  265. post_run_single (post_list + last,
  266. test_flags[last],
  267. flags | POST_REBOOT, last);
  268. for (i = last + 1; i < post_list_size; i++) {
  269. if (gd->flags & GD_FLG_POSTSTOP)
  270. break;
  271. post_run_single (post_list + i,
  272. test_flags[i],
  273. flags, i);
  274. }
  275. }
  276. } else {
  277. for (i = 0; i < post_list_size; i++) {
  278. if (gd->flags & GD_FLG_POSTSTOP)
  279. break;
  280. post_run_single (post_list + i,
  281. test_flags[i],
  282. flags, i);
  283. }
  284. }
  285. return 0;
  286. } else {
  287. for (i = 0; i < post_list_size; i++) {
  288. if (strcmp (post_list[i].cmd, name) == 0)
  289. break;
  290. }
  291. if (i < post_list_size) {
  292. WATCHDOG_RESET();
  293. return post_run_single (post_list + i,
  294. test_flags[i],
  295. flags, i);
  296. } else {
  297. return -1;
  298. }
  299. }
  300. }
  301. static int post_info_single (struct post_test *test, int full)
  302. {
  303. if (test->flags & POST_MANUAL) {
  304. if (full)
  305. printf ("%s - %s\n"
  306. " %s\n", test->cmd, test->name, test->desc);
  307. else
  308. printf (" %-15s - %s\n", test->cmd, test->name);
  309. return 0;
  310. } else {
  311. return -1;
  312. }
  313. }
  314. int post_info (char *name)
  315. {
  316. unsigned int i;
  317. if (name == NULL) {
  318. for (i = 0; i < post_list_size; i++) {
  319. post_info_single (post_list + i, 0);
  320. }
  321. return 0;
  322. } else {
  323. for (i = 0; i < post_list_size; i++) {
  324. if (strcmp (post_list[i].cmd, name) == 0)
  325. break;
  326. }
  327. if (i < post_list_size) {
  328. return post_info_single (post_list + i, 1);
  329. } else {
  330. return -1;
  331. }
  332. }
  333. }
  334. int post_log (char *format, ...)
  335. {
  336. va_list args;
  337. uint i;
  338. char printbuffer[CONFIG_SYS_PBSIZE];
  339. va_start (args, format);
  340. /* For this to work, printbuffer must be larger than
  341. * anything we ever want to print.
  342. */
  343. i = vsprintf (printbuffer, format, args);
  344. va_end (args);
  345. #ifdef CONFIG_LOGBUFFER
  346. /* Send to the logbuffer */
  347. logbuff_log (printbuffer);
  348. #else
  349. /* Send to the stdout file */
  350. puts (printbuffer);
  351. #endif
  352. return 0;
  353. }
  354. #ifndef CONFIG_RELOC_FIXUP_WORKS
  355. void post_reloc (void)
  356. {
  357. unsigned int i;
  358. /*
  359. * We have to relocate the test table manually
  360. */
  361. for (i = 0; i < post_list_size; i++) {
  362. ulong addr;
  363. struct post_test *test = post_list + i;
  364. if (test->name) {
  365. addr = (ulong) (test->name) + gd->reloc_off;
  366. test->name = (char *) addr;
  367. }
  368. if (test->cmd) {
  369. addr = (ulong) (test->cmd) + gd->reloc_off;
  370. test->cmd = (char *) addr;
  371. }
  372. if (test->desc) {
  373. addr = (ulong) (test->desc) + gd->reloc_off;
  374. test->desc = (char *) addr;
  375. }
  376. if (test->test) {
  377. addr = (ulong) (test->test) + gd->reloc_off;
  378. test->test = (int (*)(int flags)) addr;
  379. }
  380. if (test->init_f) {
  381. addr = (ulong) (test->init_f) + gd->reloc_off;
  382. test->init_f = (int (*)(void)) addr;
  383. }
  384. if (test->reloc) {
  385. addr = (ulong) (test->reloc) + gd->reloc_off;
  386. test->reloc = (void (*)(void)) addr;
  387. test->reloc();
  388. }
  389. }
  390. }
  391. #endif
  392. /*
  393. * Some tests (e.g. SYSMON) need the time when post_init_f started,
  394. * but we cannot use get_timer() at this point.
  395. *
  396. * On PowerPC we implement it using the timebase register.
  397. */
  398. unsigned long post_time_ms (unsigned long base)
  399. {
  400. #ifdef CONFIG_PPC
  401. return (unsigned long)(get_ticks () / (get_tbclk () / CONFIG_SYS_HZ)) - base;
  402. #else
  403. #warning "Not implemented yet"
  404. return 0; /* Not implemented yet */
  405. #endif
  406. }