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a042ac84 WD |
1 | /* |
2 | * (C) Copyright 2002 | |
3 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
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> | |
52cb4d4f | 25 | #include <stdio_dev.h> |
a042ac84 | 26 | #include <watchdog.h> |
c90a4dd7 | 27 | #include <div64.h> |
a042ac84 WD |
28 | #include <post.h> |
29 | ||
9146d138 MF |
30 | #ifdef CONFIG_SYS_POST_HOTKEYS_GPIO |
31 | #include <asm/gpio.h> | |
32 | #endif | |
33 | ||
56f94be3 WD |
34 | #ifdef CONFIG_LOGBUFFER |
35 | #include <logbuff.h> | |
36 | #endif | |
37 | ||
d87080b7 WD |
38 | DECLARE_GLOBAL_DATA_PTR; |
39 | ||
a042ac84 WD |
40 | #define POST_MAX_NUMBER 32 |
41 | ||
42 | #define BOOTMODE_MAGIC 0xDEAD0000 | |
43 | ||
e92372c8 | 44 | int post_init_f(void) |
4532cb69 | 45 | { |
4532cb69 WD |
46 | int res = 0; |
47 | unsigned int i; | |
48 | ||
49 | for (i = 0; i < post_list_size; i++) { | |
50 | struct post_test *test = post_list + i; | |
51 | ||
50da8376 | 52 | if (test->init_f && test->init_f()) |
4532cb69 | 53 | res = -1; |
4532cb69 | 54 | } |
8bde7f77 | 55 | |
4532cb69 WD |
56 | gd->post_init_f_time = post_time_ms(0); |
57 | if (!gd->post_init_f_time) | |
e92372c8 | 58 | printf("%s: post_time_ms not implemented\n", __FILE__); |
4532cb69 WD |
59 | |
60 | return res; | |
61 | } | |
62 | ||
39ff7d5f SR |
63 | /* |
64 | * Supply a default implementation for post_hotkeys_pressed() for boards | |
65 | * without hotkey support. We always return 0 here, so that the | |
66 | * long-running tests won't be started. | |
67 | * | |
68 | * Boards with hotkey support can override this weak default function | |
69 | * by defining one in their board specific code. | |
70 | */ | |
71 | int __post_hotkeys_pressed(void) | |
72 | { | |
9146d138 MF |
73 | #ifdef CONFIG_SYS_POST_HOTKEYS_GPIO |
74 | int ret; | |
75 | unsigned gpio = CONFIG_SYS_POST_HOTKEYS_GPIO; | |
76 | ||
77 | ret = gpio_request(gpio, "hotkeys"); | |
78 | if (ret) { | |
79 | printf("POST: gpio hotkey request failed\n"); | |
80 | return 0; | |
81 | } | |
82 | ||
83 | gpio_direction_input(gpio); | |
84 | ret = gpio_get_value(gpio); | |
85 | gpio_free(gpio); | |
86 | ||
87 | return ret; | |
88 | #endif | |
89 | ||
39ff7d5f SR |
90 | return 0; /* No hotkeys supported */ |
91 | } | |
92 | int post_hotkeys_pressed(void) | |
93 | __attribute__((weak, alias("__post_hotkeys_pressed"))); | |
94 | ||
95 | ||
e92372c8 | 96 | void post_bootmode_init(void) |
a042ac84 | 97 | { |
e92372c8 | 98 | int bootmode = post_bootmode_get(0); |
27b207fd | 99 | int newword; |
42d1f039 | 100 | |
e92372c8 | 101 | if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) |
27b207fd | 102 | newword = BOOTMODE_MAGIC | POST_SLOWTEST; |
e92372c8 | 103 | else if (bootmode == 0) |
27b207fd | 104 | newword = BOOTMODE_MAGIC | POST_POWERON; |
e92372c8 | 105 | else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) |
27b207fd | 106 | newword = BOOTMODE_MAGIC | POST_NORMAL; |
e92372c8 | 107 | else |
27b207fd | 108 | /* Use old value */ |
50da8376 | 109 | newword = post_word_load() & ~POST_COLDBOOT; |
a042ac84 | 110 | |
27b207fd | 111 | if (bootmode == 0) |
27b207fd WD |
112 | /* We are booting after power-on */ |
113 | newword |= POST_COLDBOOT; | |
27b207fd | 114 | |
e92372c8 | 115 | post_word_store(newword); |
27b207fd | 116 | |
228f29ac WD |
117 | /* Reset activity record */ |
118 | gd->post_log_word = 0; | |
79843950 | 119 | gd->post_log_res = 0; |
a042ac84 WD |
120 | } |
121 | ||
e92372c8 | 122 | int post_bootmode_get(unsigned int *last_test) |
a042ac84 | 123 | { |
e92372c8 | 124 | unsigned long word = post_word_load(); |
a042ac84 WD |
125 | int bootmode; |
126 | ||
e92372c8 | 127 | if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) |
a042ac84 | 128 | return 0; |
a042ac84 | 129 | |
27b207fd | 130 | bootmode = word & 0x7F; |
a042ac84 | 131 | |
e92372c8 | 132 | if (last_test && (bootmode & POST_POWERTEST)) |
a042ac84 | 133 | *last_test = (word >> 8) & 0xFF; |
a042ac84 WD |
134 | |
135 | return bootmode; | |
136 | } | |
137 | ||
228f29ac | 138 | /* POST tests run before relocation only mark status bits .... */ |
e92372c8 | 139 | static void post_log_mark_start(unsigned long testid) |
228f29ac | 140 | { |
79843950 | 141 | gd->post_log_word |= testid; |
228f29ac WD |
142 | } |
143 | ||
e92372c8 | 144 | static void post_log_mark_succ(unsigned long testid) |
228f29ac | 145 | { |
79843950 | 146 | gd->post_log_res |= testid; |
228f29ac WD |
147 | } |
148 | ||
149 | /* ... and the messages are output once we are relocated */ | |
e92372c8 | 150 | void post_output_backlog(void) |
228f29ac | 151 | { |
228f29ac WD |
152 | int j; |
153 | ||
154 | for (j = 0; j < post_list_size; j++) { | |
79843950 | 155 | if (gd->post_log_word & (post_list[j].testid)) { |
50da8376 | 156 | post_log("POST %s ", post_list[j].cmd); |
79843950 | 157 | if (gd->post_log_res & post_list[j].testid) |
50da8376 | 158 | post_log("PASSED\n"); |
63e73c9a | 159 | else { |
e92372c8 | 160 | post_log("FAILED\n"); |
770605e4 | 161 | bootstage_error(BOOTSTAGE_ID_POST_FAIL_R); |
63e73c9a | 162 | } |
228f29ac WD |
163 | } |
164 | } | |
165 | } | |
166 | ||
e92372c8 | 167 | static void post_bootmode_test_on(unsigned int last_test) |
a042ac84 | 168 | { |
e92372c8 | 169 | unsigned long word = post_word_load(); |
a042ac84 WD |
170 | |
171 | word |= POST_POWERTEST; | |
172 | ||
173 | word |= (last_test & 0xFF) << 8; | |
174 | ||
e92372c8 | 175 | post_word_store(word); |
a042ac84 WD |
176 | } |
177 | ||
e92372c8 | 178 | static void post_bootmode_test_off(void) |
a042ac84 | 179 | { |
e92372c8 | 180 | unsigned long word = post_word_load(); |
a042ac84 WD |
181 | |
182 | word &= ~POST_POWERTEST; | |
183 | ||
e92372c8 | 184 | post_word_store(word); |
a042ac84 WD |
185 | } |
186 | ||
212a0caf VL |
187 | #ifndef CONFIG_POST_SKIP_ENV_FLAGS |
188 | static void post_get_env_flags(int *test_flags) | |
a042ac84 | 189 | { |
e262efe3 YT |
190 | int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST, |
191 | POST_CRITICAL }; | |
192 | char *var[] = { "post_poweron", "post_normal", "post_slowtest", | |
193 | "post_critical" }; | |
d2397817 | 194 | int varnum = ARRAY_SIZE(var); |
a042ac84 WD |
195 | char list[128]; /* long enough for POST list */ |
196 | char *name; | |
197 | char *s; | |
198 | int last; | |
199 | int i, j; | |
200 | ||
a042ac84 | 201 | for (i = 0; i < varnum; i++) { |
50da8376 | 202 | if (getenv_f(var[i], list, sizeof(list)) <= 0) |
a042ac84 WD |
203 | continue; |
204 | ||
50da8376 | 205 | for (j = 0; j < post_list_size; j++) |
a042ac84 | 206 | test_flags[j] &= ~flag[i]; |
a042ac84 WD |
207 | |
208 | last = 0; | |
209 | name = list; | |
210 | while (!last) { | |
211 | while (*name && *name == ' ') | |
212 | name++; | |
213 | if (*name == 0) | |
214 | break; | |
215 | s = name + 1; | |
216 | while (*s && *s != ' ') | |
217 | s++; | |
218 | if (*s == 0) | |
219 | last = 1; | |
220 | else | |
221 | *s = 0; | |
222 | ||
223 | for (j = 0; j < post_list_size; j++) { | |
50da8376 | 224 | if (strcmp(post_list[j].cmd, name) == 0) { |
a042ac84 WD |
225 | test_flags[j] |= flag[i]; |
226 | break; | |
227 | } | |
228 | } | |
229 | ||
e92372c8 | 230 | if (j == post_list_size) |
50da8376 | 231 | printf("No such test: %s\n", name); |
a042ac84 WD |
232 | |
233 | name = s + 1; | |
234 | } | |
235 | } | |
212a0caf VL |
236 | } |
237 | #endif | |
238 | ||
239 | static void post_get_flags(int *test_flags) | |
240 | { | |
241 | int j; | |
242 | ||
243 | for (j = 0; j < post_list_size; j++) | |
244 | test_flags[j] = post_list[j].flags; | |
245 | ||
246 | #ifndef CONFIG_POST_SKIP_ENV_FLAGS | |
247 | post_get_env_flags(test_flags); | |
248 | #endif | |
6dff5529 | 249 | |
e92372c8 HS |
250 | for (j = 0; j < post_list_size; j++) |
251 | if (test_flags[j] & POST_POWERON) | |
6dff5529 | 252 | test_flags[j] |= POST_SLOWTEST; |
a042ac84 WD |
253 | } |
254 | ||
e92372c8 | 255 | void __show_post_progress(unsigned int test_num, int before, int result) |
e070a56c MZ |
256 | { |
257 | } | |
e92372c8 | 258 | void show_post_progress(unsigned int, int, int) |
e070a56c MZ |
259 | __attribute__((weak, alias("__show_post_progress"))); |
260 | ||
e92372c8 | 261 | static int post_run_single(struct post_test *test, |
a042ac84 WD |
262 | int test_flags, int flags, unsigned int i) |
263 | { | |
264 | if ((flags & test_flags & POST_ALWAYS) && | |
265 | (flags & test_flags & POST_MEM)) { | |
50da8376 | 266 | WATCHDOG_RESET(); |
a042ac84 WD |
267 | |
268 | if (!(flags & POST_REBOOT)) { | |
e92372c8 HS |
269 | if ((test_flags & POST_REBOOT) && |
270 | !(flags & POST_MANUAL)) { | |
271 | post_bootmode_test_on( | |
e262efe3 YT |
272 | (gd->flags & GD_FLG_POSTFAIL) ? |
273 | POST_FAIL_SAVE | i : i); | |
a042ac84 WD |
274 | } |
275 | ||
228f29ac | 276 | if (test_flags & POST_PREREL) |
e92372c8 | 277 | post_log_mark_start(test->testid); |
228f29ac | 278 | else |
e92372c8 | 279 | post_log("POST %s ", test->cmd); |
a042ac84 WD |
280 | } |
281 | ||
e070a56c MZ |
282 | show_post_progress(i, POST_BEFORE, POST_FAILED); |
283 | ||
228f29ac | 284 | if (test_flags & POST_PREREL) { |
50da8376 | 285 | if ((*test->test)(flags) == 0) { |
e92372c8 | 286 | post_log_mark_succ(test->testid); |
e070a56c | 287 | show_post_progress(i, POST_AFTER, POST_PASSED); |
50da8376 | 288 | } else { |
e070a56c | 289 | show_post_progress(i, POST_AFTER, POST_FAILED); |
28a38506 YT |
290 | if (test_flags & POST_CRITICAL) |
291 | gd->flags |= GD_FLG_POSTFAIL; | |
292 | if (test_flags & POST_STOP) | |
293 | gd->flags |= GD_FLG_POSTSTOP; | |
294 | } | |
228f29ac | 295 | } else { |
975afc34 JK |
296 | if ((*test->test)(flags) != 0) { |
297 | post_log("FAILED\n"); | |
770605e4 | 298 | bootstage_error(BOOTSTAGE_ID_POST_FAIL_R); |
975afc34 JK |
299 | show_post_progress(i, POST_AFTER, POST_FAILED); |
300 | if (test_flags & POST_CRITICAL) | |
301 | gd->flags |= GD_FLG_POSTFAIL; | |
302 | if (test_flags & POST_STOP) | |
303 | gd->flags |= GD_FLG_POSTSTOP; | |
304 | } else { | |
305 | post_log("PASSED\n"); | |
306 | show_post_progress(i, POST_AFTER, POST_PASSED); | |
307 | } | |
228f29ac | 308 | } |
a042ac84 | 309 | |
50da8376 | 310 | if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) |
e92372c8 | 311 | post_bootmode_test_off(); |
a042ac84 WD |
312 | |
313 | return 0; | |
314 | } else { | |
315 | return -1; | |
316 | } | |
317 | } | |
318 | ||
50da8376 | 319 | int post_run(char *name, int flags) |
a042ac84 WD |
320 | { |
321 | unsigned int i; | |
322 | int test_flags[POST_MAX_NUMBER]; | |
323 | ||
e92372c8 | 324 | post_get_flags(test_flags); |
a042ac84 WD |
325 | |
326 | if (name == NULL) { | |
327 | unsigned int last; | |
328 | ||
28a38506 YT |
329 | if (gd->flags & GD_FLG_POSTSTOP) |
330 | return 0; | |
331 | ||
e92372c8 | 332 | if (post_bootmode_get(&last) & POST_POWERTEST) { |
e262efe3 YT |
333 | if (last & POST_FAIL_SAVE) { |
334 | last &= ~POST_FAIL_SAVE; | |
335 | gd->flags |= GD_FLG_POSTFAIL; | |
336 | } | |
a042ac84 WD |
337 | if (last < post_list_size && |
338 | (flags & test_flags[last] & POST_ALWAYS) && | |
339 | (flags & test_flags[last] & POST_MEM)) { | |
340 | ||
e92372c8 | 341 | post_run_single(post_list + last, |
ea909b76 WD |
342 | test_flags[last], |
343 | flags | POST_REBOOT, last); | |
a042ac84 WD |
344 | |
345 | for (i = last + 1; i < post_list_size; i++) { | |
28a38506 YT |
346 | if (gd->flags & GD_FLG_POSTSTOP) |
347 | break; | |
e92372c8 | 348 | post_run_single(post_list + i, |
ea909b76 WD |
349 | test_flags[i], |
350 | flags, i); | |
a042ac84 WD |
351 | } |
352 | } | |
353 | } else { | |
354 | for (i = 0; i < post_list_size; i++) { | |
28a38506 YT |
355 | if (gd->flags & GD_FLG_POSTSTOP) |
356 | break; | |
e92372c8 | 357 | post_run_single(post_list + i, |
ea909b76 WD |
358 | test_flags[i], |
359 | flags, i); | |
a042ac84 WD |
360 | } |
361 | } | |
362 | ||
363 | return 0; | |
364 | } else { | |
365 | for (i = 0; i < post_list_size; i++) { | |
50da8376 | 366 | if (strcmp(post_list[i].cmd, name) == 0) |
a042ac84 WD |
367 | break; |
368 | } | |
369 | ||
370 | if (i < post_list_size) { | |
5744ddc6 | 371 | WATCHDOG_RESET(); |
e92372c8 | 372 | return post_run_single(post_list + i, |
a042ac84 WD |
373 | test_flags[i], |
374 | flags, i); | |
375 | } else { | |
376 | return -1; | |
377 | } | |
378 | } | |
379 | } | |
380 | ||
e92372c8 | 381 | static int post_info_single(struct post_test *test, int full) |
a042ac84 WD |
382 | { |
383 | if (test->flags & POST_MANUAL) { | |
384 | if (full) | |
e92372c8 | 385 | printf("%s - %s\n" |
a042ac84 WD |
386 | " %s\n", test->cmd, test->name, test->desc); |
387 | else | |
e92372c8 | 388 | printf(" %-15s - %s\n", test->cmd, test->name); |
a042ac84 WD |
389 | |
390 | return 0; | |
391 | } else { | |
392 | return -1; | |
393 | } | |
394 | } | |
395 | ||
50da8376 | 396 | int post_info(char *name) |
a042ac84 WD |
397 | { |
398 | unsigned int i; | |
399 | ||
400 | if (name == NULL) { | |
e92372c8 HS |
401 | for (i = 0; i < post_list_size; i++) |
402 | post_info_single(post_list + i, 0); | |
a042ac84 WD |
403 | |
404 | return 0; | |
405 | } else { | |
406 | for (i = 0; i < post_list_size; i++) { | |
50da8376 | 407 | if (strcmp(post_list[i].cmd, name) == 0) |
a042ac84 WD |
408 | break; |
409 | } | |
410 | ||
50da8376 | 411 | if (i < post_list_size) |
e92372c8 | 412 | return post_info_single(post_list + i, 1); |
50da8376 | 413 | else |
a042ac84 | 414 | return -1; |
a042ac84 WD |
415 | } |
416 | } | |
417 | ||
e92372c8 | 418 | int post_log(char *format, ...) |
a042ac84 WD |
419 | { |
420 | va_list args; | |
6d0f6bcf | 421 | char printbuffer[CONFIG_SYS_PBSIZE]; |
a042ac84 | 422 | |
50da8376 | 423 | va_start(args, format); |
a042ac84 WD |
424 | |
425 | /* For this to work, printbuffer must be larger than | |
426 | * anything we ever want to print. | |
427 | */ | |
4d6402b0 | 428 | vsprintf(printbuffer, format, args); |
50da8376 | 429 | va_end(args); |
a042ac84 | 430 | |
56f94be3 | 431 | #ifdef CONFIG_LOGBUFFER |
228f29ac | 432 | /* Send to the logbuffer */ |
e92372c8 | 433 | logbuff_log(printbuffer); |
56f94be3 | 434 | #else |
a042ac84 | 435 | /* Send to the stdout file */ |
e92372c8 | 436 | puts(printbuffer); |
56f94be3 | 437 | #endif |
a042ac84 WD |
438 | |
439 | return 0; | |
440 | } | |
441 | ||
2e5167cc | 442 | #ifdef CONFIG_NEEDS_MANUAL_RELOC |
e92372c8 | 443 | void post_reloc(void) |
a042ac84 | 444 | { |
a042ac84 WD |
445 | unsigned int i; |
446 | ||
447 | /* | |
448 | * We have to relocate the test table manually | |
449 | */ | |
450 | for (i = 0; i < post_list_size; i++) { | |
451 | ulong addr; | |
452 | struct post_test *test = post_list + i; | |
453 | ||
454 | if (test->name) { | |
50da8376 | 455 | addr = (ulong)(test->name) + gd->reloc_off; |
e92372c8 | 456 | test->name = (char *)addr; |
a042ac84 WD |
457 | } |
458 | ||
459 | if (test->cmd) { | |
50da8376 | 460 | addr = (ulong)(test->cmd) + gd->reloc_off; |
e92372c8 | 461 | test->cmd = (char *)addr; |
a042ac84 WD |
462 | } |
463 | ||
464 | if (test->desc) { | |
50da8376 | 465 | addr = (ulong)(test->desc) + gd->reloc_off; |
e92372c8 | 466 | test->desc = (char *)addr; |
a042ac84 WD |
467 | } |
468 | ||
469 | if (test->test) { | |
50da8376 | 470 | addr = (ulong)(test->test) + gd->reloc_off; |
a042ac84 WD |
471 | test->test = (int (*)(int flags)) addr; |
472 | } | |
4532cb69 WD |
473 | |
474 | if (test->init_f) { | |
50da8376 | 475 | addr = (ulong)(test->init_f) + gd->reloc_off; |
4532cb69 WD |
476 | test->init_f = (int (*)(void)) addr; |
477 | } | |
478 | ||
479 | if (test->reloc) { | |
50da8376 | 480 | addr = (ulong)(test->reloc) + gd->reloc_off; |
4532cb69 | 481 | test->reloc = (void (*)(void)) addr; |
8bde7f77 | 482 | |
4532cb69 WD |
483 | test->reloc(); |
484 | } | |
a042ac84 WD |
485 | } |
486 | } | |
521af04d | 487 | #endif |
a042ac84 | 488 | |
4532cb69 WD |
489 | |
490 | /* | |
491 | * Some tests (e.g. SYSMON) need the time when post_init_f started, | |
492 | * but we cannot use get_timer() at this point. | |
493 | * | |
494 | * On PowerPC we implement it using the timebase register. | |
495 | */ | |
e92372c8 | 496 | unsigned long post_time_ms(unsigned long base) |
4532cb69 | 497 | { |
4e518b88 | 498 | #if defined(CONFIG_PPC) || defined(CONFIG_BLACKFIN) || defined(CONFIG_ARM) |
c90a4dd7 | 499 | return (unsigned long)lldiv(get_ticks(), get_tbclk() / CONFIG_SYS_HZ) |
e92372c8 | 500 | - base; |
4532cb69 | 501 | #else |
ad5bb451 | 502 | #warning "Not implemented yet" |
4532cb69 WD |
503 | return 0; /* Not implemented yet */ |
504 | #endif | |
505 | } |