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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 | ||
24 | #include <common.h> | |
25 | #include <stdio_dev.h> | |
26 | #include <watchdog.h> | |
27 | #include <post.h> | |
28 | ||
29 | #ifdef CONFIG_SYS_POST_HOTKEYS_GPIO | |
30 | #include <asm/gpio.h> | |
31 | #endif | |
32 | ||
33 | #ifdef CONFIG_LOGBUFFER | |
34 | #include <logbuff.h> | |
35 | #endif | |
36 | ||
37 | DECLARE_GLOBAL_DATA_PTR; | |
38 | ||
39 | #define POST_MAX_NUMBER 32 | |
40 | ||
41 | #define BOOTMODE_MAGIC 0xDEAD0000 | |
42 | ||
43 | int post_init_f(void) | |
44 | { | |
45 | int res = 0; | |
46 | unsigned int i; | |
47 | ||
48 | for (i = 0; i < post_list_size; i++) { | |
49 | struct post_test *test = post_list + i; | |
50 | ||
51 | if (test->init_f && test->init_f()) { | |
52 | res = -1; | |
53 | } | |
54 | } | |
55 | ||
56 | gd->post_init_f_time = post_time_ms(0); | |
57 | if (!gd->post_init_f_time) | |
58 | printf("%s: post_time_ms not implemented\n", __FILE__); | |
59 | ||
60 | return res; | |
61 | } | |
62 | ||
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 | { | |
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 | ||
90 | return 0; /* No hotkeys supported */ | |
91 | } | |
92 | int post_hotkeys_pressed(void) | |
93 | __attribute__((weak, alias("__post_hotkeys_pressed"))); | |
94 | ||
95 | ||
96 | void post_bootmode_init(void) | |
97 | { | |
98 | int bootmode = post_bootmode_get(0); | |
99 | int newword; | |
100 | ||
101 | if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) | |
102 | newword = BOOTMODE_MAGIC | POST_SLOWTEST; | |
103 | else if (bootmode == 0) | |
104 | newword = BOOTMODE_MAGIC | POST_POWERON; | |
105 | else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) | |
106 | newword = BOOTMODE_MAGIC | POST_NORMAL; | |
107 | else | |
108 | /* Use old value */ | |
109 | newword = post_word_load () & ~POST_COLDBOOT; | |
110 | ||
111 | if (bootmode == 0) | |
112 | /* We are booting after power-on */ | |
113 | newword |= POST_COLDBOOT; | |
114 | ||
115 | post_word_store(newword); | |
116 | ||
117 | /* Reset activity record */ | |
118 | gd->post_log_word = 0; | |
119 | gd->post_log_res = 0; | |
120 | } | |
121 | ||
122 | int post_bootmode_get(unsigned int *last_test) | |
123 | { | |
124 | unsigned long word = post_word_load(); | |
125 | int bootmode; | |
126 | ||
127 | if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) | |
128 | return 0; | |
129 | ||
130 | bootmode = word & 0x7F; | |
131 | ||
132 | if (last_test && (bootmode & POST_POWERTEST)) | |
133 | *last_test = (word >> 8) & 0xFF; | |
134 | ||
135 | return bootmode; | |
136 | } | |
137 | ||
138 | /* POST tests run before relocation only mark status bits .... */ | |
139 | static void post_log_mark_start(unsigned long testid) | |
140 | { | |
141 | gd->post_log_word |= testid; | |
142 | } | |
143 | ||
144 | static void post_log_mark_succ(unsigned long testid) | |
145 | { | |
146 | gd->post_log_res |= testid; | |
147 | } | |
148 | ||
149 | /* ... and the messages are output once we are relocated */ | |
150 | void post_output_backlog(void) | |
151 | { | |
152 | int j; | |
153 | ||
154 | for (j = 0; j < post_list_size; j++) { | |
155 | if (gd->post_log_word & (post_list[j].testid)) { | |
156 | post_log ("POST %s ", post_list[j].cmd); | |
157 | if (gd->post_log_res & post_list[j].testid) | |
158 | post_log ("PASSED\n"); | |
159 | else { | |
160 | post_log("FAILED\n"); | |
161 | show_boot_progress(-31); | |
162 | } | |
163 | } | |
164 | } | |
165 | } | |
166 | ||
167 | static void post_bootmode_test_on(unsigned int last_test) | |
168 | { | |
169 | unsigned long word = post_word_load(); | |
170 | ||
171 | word |= POST_POWERTEST; | |
172 | ||
173 | word |= (last_test & 0xFF) << 8; | |
174 | ||
175 | post_word_store(word); | |
176 | } | |
177 | ||
178 | static void post_bootmode_test_off(void) | |
179 | { | |
180 | unsigned long word = post_word_load(); | |
181 | ||
182 | word &= ~POST_POWERTEST; | |
183 | ||
184 | post_word_store(word); | |
185 | } | |
186 | ||
187 | #ifndef CONFIG_POST_SKIP_ENV_FLAGS | |
188 | static void post_get_env_flags(int *test_flags) | |
189 | { | |
190 | int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST, | |
191 | POST_CRITICAL }; | |
192 | char *var[] = { "post_poweron", "post_normal", "post_slowtest", | |
193 | "post_critical" }; | |
194 | int varnum = ARRAY_SIZE(var); | |
195 | char list[128]; /* long enough for POST list */ | |
196 | char *name; | |
197 | char *s; | |
198 | int last; | |
199 | int i, j; | |
200 | ||
201 | for (i = 0; i < varnum; i++) { | |
202 | if (getenv_f(var[i], list, sizeof (list)) <= 0) | |
203 | continue; | |
204 | ||
205 | for (j = 0; j < post_list_size; j++) { | |
206 | test_flags[j] &= ~flag[i]; | |
207 | } | |
208 | ||
209 | last = 0; | |
210 | name = list; | |
211 | while (!last) { | |
212 | while (*name && *name == ' ') | |
213 | name++; | |
214 | if (*name == 0) | |
215 | break; | |
216 | s = name + 1; | |
217 | while (*s && *s != ' ') | |
218 | s++; | |
219 | if (*s == 0) | |
220 | last = 1; | |
221 | else | |
222 | *s = 0; | |
223 | ||
224 | for (j = 0; j < post_list_size; j++) { | |
225 | if (strcmp (post_list[j].cmd, name) == 0) { | |
226 | test_flags[j] |= flag[i]; | |
227 | break; | |
228 | } | |
229 | } | |
230 | ||
231 | if (j == post_list_size) | |
232 | printf ("No such test: %s\n", name); | |
233 | ||
234 | name = s + 1; | |
235 | } | |
236 | } | |
237 | } | |
238 | #endif | |
239 | ||
240 | static void post_get_flags(int *test_flags) | |
241 | { | |
242 | int j; | |
243 | ||
244 | for (j = 0; j < post_list_size; j++) | |
245 | test_flags[j] = post_list[j].flags; | |
246 | ||
247 | #ifndef CONFIG_POST_SKIP_ENV_FLAGS | |
248 | post_get_env_flags(test_flags); | |
249 | #endif | |
250 | ||
251 | for (j = 0; j < post_list_size; j++) | |
252 | if (test_flags[j] & POST_POWERON) | |
253 | test_flags[j] |= POST_SLOWTEST; | |
254 | } | |
255 | ||
256 | void __show_post_progress(unsigned int test_num, int before, int result) | |
257 | { | |
258 | } | |
259 | void show_post_progress(unsigned int, int, int) | |
260 | __attribute__((weak, alias("__show_post_progress"))); | |
261 | ||
262 | static int post_run_single(struct post_test *test, | |
263 | int test_flags, int flags, unsigned int i) | |
264 | { | |
265 | if ((flags & test_flags & POST_ALWAYS) && | |
266 | (flags & test_flags & POST_MEM)) { | |
267 | WATCHDOG_RESET (); | |
268 | ||
269 | if (!(flags & POST_REBOOT)) { | |
270 | if ((test_flags & POST_REBOOT) && | |
271 | !(flags & POST_MANUAL)) { | |
272 | post_bootmode_test_on( | |
273 | (gd->flags & GD_FLG_POSTFAIL) ? | |
274 | POST_FAIL_SAVE | i : i); | |
275 | } | |
276 | ||
277 | if (test_flags & POST_PREREL) | |
278 | post_log_mark_start(test->testid); | |
279 | else | |
280 | post_log("POST %s ", test->cmd); | |
281 | } | |
282 | ||
283 | show_post_progress(i, POST_BEFORE, POST_FAILED); | |
284 | ||
285 | if (test_flags & POST_PREREL) { | |
286 | if ((*test->test) (flags) == 0) { | |
287 | post_log_mark_succ(test->testid); | |
288 | show_post_progress(i, POST_AFTER, POST_PASSED); | |
289 | } | |
290 | else { | |
291 | show_post_progress(i, POST_AFTER, POST_FAILED); | |
292 | if (test_flags & POST_CRITICAL) | |
293 | gd->flags |= GD_FLG_POSTFAIL; | |
294 | if (test_flags & POST_STOP) | |
295 | gd->flags |= GD_FLG_POSTSTOP; | |
296 | } | |
297 | } else { | |
298 | if ((*test->test)(flags) != 0) { | |
299 | post_log("FAILED\n"); | |
300 | show_boot_progress(-32); | |
301 | show_post_progress(i, POST_AFTER, POST_FAILED); | |
302 | if (test_flags & POST_CRITICAL) | |
303 | gd->flags |= GD_FLG_POSTFAIL; | |
304 | if (test_flags & POST_STOP) | |
305 | gd->flags |= GD_FLG_POSTSTOP; | |
306 | } else { | |
307 | post_log("PASSED\n"); | |
308 | show_post_progress(i, POST_AFTER, POST_PASSED); | |
309 | } | |
310 | } | |
311 | ||
312 | if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) { | |
313 | post_bootmode_test_off(); | |
314 | } | |
315 | ||
316 | return 0; | |
317 | } else { | |
318 | return -1; | |
319 | } | |
320 | } | |
321 | ||
322 | int post_run (char *name, int flags) | |
323 | { | |
324 | unsigned int i; | |
325 | int test_flags[POST_MAX_NUMBER]; | |
326 | ||
327 | post_get_flags(test_flags); | |
328 | ||
329 | if (name == NULL) { | |
330 | unsigned int last; | |
331 | ||
332 | if (gd->flags & GD_FLG_POSTSTOP) | |
333 | return 0; | |
334 | ||
335 | if (post_bootmode_get(&last) & POST_POWERTEST) { | |
336 | if (last & POST_FAIL_SAVE) { | |
337 | last &= ~POST_FAIL_SAVE; | |
338 | gd->flags |= GD_FLG_POSTFAIL; | |
339 | } | |
340 | if (last < post_list_size && | |
341 | (flags & test_flags[last] & POST_ALWAYS) && | |
342 | (flags & test_flags[last] & POST_MEM)) { | |
343 | ||
344 | post_run_single(post_list + last, | |
345 | test_flags[last], | |
346 | flags | POST_REBOOT, last); | |
347 | ||
348 | for (i = last + 1; i < post_list_size; i++) { | |
349 | if (gd->flags & GD_FLG_POSTSTOP) | |
350 | break; | |
351 | post_run_single(post_list + i, | |
352 | test_flags[i], | |
353 | flags, i); | |
354 | } | |
355 | } | |
356 | } else { | |
357 | for (i = 0; i < post_list_size; i++) { | |
358 | if (gd->flags & GD_FLG_POSTSTOP) | |
359 | break; | |
360 | post_run_single(post_list + i, | |
361 | test_flags[i], | |
362 | flags, i); | |
363 | } | |
364 | } | |
365 | ||
366 | return 0; | |
367 | } else { | |
368 | for (i = 0; i < post_list_size; i++) { | |
369 | if (strcmp (post_list[i].cmd, name) == 0) | |
370 | break; | |
371 | } | |
372 | ||
373 | if (i < post_list_size) { | |
374 | WATCHDOG_RESET(); | |
375 | return post_run_single(post_list + i, | |
376 | test_flags[i], | |
377 | flags, i); | |
378 | } else { | |
379 | return -1; | |
380 | } | |
381 | } | |
382 | } | |
383 | ||
384 | static int post_info_single(struct post_test *test, int full) | |
385 | { | |
386 | if (test->flags & POST_MANUAL) { | |
387 | if (full) | |
388 | printf("%s - %s\n" | |
389 | " %s\n", test->cmd, test->name, test->desc); | |
390 | else | |
391 | printf(" %-15s - %s\n", test->cmd, test->name); | |
392 | ||
393 | return 0; | |
394 | } else { | |
395 | return -1; | |
396 | } | |
397 | } | |
398 | ||
399 | int post_info (char *name) | |
400 | { | |
401 | unsigned int i; | |
402 | ||
403 | if (name == NULL) { | |
404 | for (i = 0; i < post_list_size; i++) | |
405 | post_info_single(post_list + i, 0); | |
406 | ||
407 | return 0; | |
408 | } else { | |
409 | for (i = 0; i < post_list_size; i++) { | |
410 | if (strcmp (post_list[i].cmd, name) == 0) | |
411 | break; | |
412 | } | |
413 | ||
414 | if (i < post_list_size) { | |
415 | return post_info_single(post_list + i, 1); | |
416 | } else { | |
417 | return -1; | |
418 | } | |
419 | } | |
420 | } | |
421 | ||
422 | int post_log(char *format, ...) | |
423 | { | |
424 | va_list args; | |
425 | uint i; | |
426 | char printbuffer[CONFIG_SYS_PBSIZE]; | |
427 | ||
428 | va_start (args, format); | |
429 | ||
430 | /* For this to work, printbuffer must be larger than | |
431 | * anything we ever want to print. | |
432 | */ | |
433 | i = vsprintf (printbuffer, format, args); | |
434 | va_end (args); | |
435 | ||
436 | #ifdef CONFIG_LOGBUFFER | |
437 | /* Send to the logbuffer */ | |
438 | logbuff_log(printbuffer); | |
439 | #else | |
440 | /* Send to the stdout file */ | |
441 | puts(printbuffer); | |
442 | #endif | |
443 | ||
444 | return 0; | |
445 | } | |
446 | ||
447 | #ifdef CONFIG_NEEDS_MANUAL_RELOC | |
448 | void post_reloc(void) | |
449 | { | |
450 | unsigned int i; | |
451 | ||
452 | /* | |
453 | * We have to relocate the test table manually | |
454 | */ | |
455 | for (i = 0; i < post_list_size; i++) { | |
456 | ulong addr; | |
457 | struct post_test *test = post_list + i; | |
458 | ||
459 | if (test->name) { | |
460 | addr = (ulong) (test->name) + gd->reloc_off; | |
461 | test->name = (char *)addr; | |
462 | } | |
463 | ||
464 | if (test->cmd) { | |
465 | addr = (ulong) (test->cmd) + gd->reloc_off; | |
466 | test->cmd = (char *)addr; | |
467 | } | |
468 | ||
469 | if (test->desc) { | |
470 | addr = (ulong) (test->desc) + gd->reloc_off; | |
471 | test->desc = (char *)addr; | |
472 | } | |
473 | ||
474 | if (test->test) { | |
475 | addr = (ulong) (test->test) + gd->reloc_off; | |
476 | test->test = (int (*)(int flags)) addr; | |
477 | } | |
478 | ||
479 | if (test->init_f) { | |
480 | addr = (ulong) (test->init_f) + gd->reloc_off; | |
481 | test->init_f = (int (*)(void)) addr; | |
482 | } | |
483 | ||
484 | if (test->reloc) { | |
485 | addr = (ulong) (test->reloc) + gd->reloc_off; | |
486 | test->reloc = (void (*)(void)) addr; | |
487 | ||
488 | test->reloc(); | |
489 | } | |
490 | } | |
491 | } | |
492 | #endif | |
493 | ||
494 | ||
495 | /* | |
496 | * Some tests (e.g. SYSMON) need the time when post_init_f started, | |
497 | * but we cannot use get_timer() at this point. | |
498 | * | |
499 | * On PowerPC we implement it using the timebase register. | |
500 | */ | |
501 | unsigned long post_time_ms(unsigned long base) | |
502 | { | |
503 | #if defined(CONFIG_PPC) || defined(CONFIG_ARM) | |
504 | return (unsigned long)(get_ticks() / (get_tbclk() / CONFIG_SYS_HZ)) | |
505 | - base; | |
506 | #else | |
507 | #warning "Not implemented yet" | |
508 | return 0; /* Not implemented yet */ | |
509 | #endif | |
510 | } |