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a042ac84 WD |
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> | |
52cb4d4f | 25 | #include <stdio_dev.h> |
a042ac84 WD |
26 | #include <watchdog.h> |
27 | #include <post.h> | |
28 | ||
56f94be3 WD |
29 | #ifdef CONFIG_LOGBUFFER |
30 | #include <logbuff.h> | |
31 | #endif | |
32 | ||
d87080b7 WD |
33 | DECLARE_GLOBAL_DATA_PTR; |
34 | ||
a042ac84 WD |
35 | #define POST_MAX_NUMBER 32 |
36 | ||
37 | #define BOOTMODE_MAGIC 0xDEAD0000 | |
38 | ||
4532cb69 WD |
39 | int post_init_f (void) |
40 | { | |
4532cb69 WD |
41 | int res = 0; |
42 | unsigned int i; | |
43 | ||
44 | for (i = 0; i < post_list_size; i++) { | |
45 | struct post_test *test = post_list + i; | |
46 | ||
47 | if (test->init_f && test->init_f()) { | |
48 | res = -1; | |
49 | } | |
50 | } | |
8bde7f77 | 51 | |
4532cb69 WD |
52 | gd->post_init_f_time = post_time_ms(0); |
53 | if (!gd->post_init_f_time) | |
54 | { | |
55 | printf("post/post.c: post_time_ms seems not to be implemented\n"); | |
56 | } | |
57 | ||
58 | return res; | |
59 | } | |
60 | ||
39ff7d5f SR |
61 | /* |
62 | * Supply a default implementation for post_hotkeys_pressed() for boards | |
63 | * without hotkey support. We always return 0 here, so that the | |
64 | * long-running tests won't be started. | |
65 | * | |
66 | * Boards with hotkey support can override this weak default function | |
67 | * by defining one in their board specific code. | |
68 | */ | |
69 | int __post_hotkeys_pressed(void) | |
70 | { | |
71 | return 0; /* No hotkeys supported */ | |
72 | } | |
73 | int post_hotkeys_pressed(void) | |
74 | __attribute__((weak, alias("__post_hotkeys_pressed"))); | |
75 | ||
76 | ||
a042ac84 WD |
77 | void post_bootmode_init (void) |
78 | { | |
79 | int bootmode = post_bootmode_get (0); | |
27b207fd | 80 | int newword; |
42d1f039 | 81 | |
27b207fd WD |
82 | if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) { |
83 | newword = BOOTMODE_MAGIC | POST_SLOWTEST; | |
6dff5529 | 84 | } else if (bootmode == 0) { |
27b207fd | 85 | newword = BOOTMODE_MAGIC | POST_POWERON; |
6dff5529 | 86 | } else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) { |
27b207fd | 87 | newword = BOOTMODE_MAGIC | POST_NORMAL; |
a042ac84 | 88 | } else { |
27b207fd WD |
89 | /* Use old value */ |
90 | newword = post_word_load () & ~POST_COLDBOOT; | |
a042ac84 WD |
91 | } |
92 | ||
27b207fd WD |
93 | if (bootmode == 0) |
94 | { | |
95 | /* We are booting after power-on */ | |
96 | newword |= POST_COLDBOOT; | |
97 | } | |
98 | ||
99 | post_word_store (newword); | |
100 | ||
228f29ac WD |
101 | /* Reset activity record */ |
102 | gd->post_log_word = 0; | |
a042ac84 WD |
103 | } |
104 | ||
105 | int post_bootmode_get (unsigned int *last_test) | |
106 | { | |
107 | unsigned long word = post_word_load (); | |
108 | int bootmode; | |
109 | ||
110 | if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) { | |
111 | return 0; | |
112 | } | |
113 | ||
27b207fd | 114 | bootmode = word & 0x7F; |
a042ac84 WD |
115 | |
116 | if (last_test && (bootmode & POST_POWERTEST)) { | |
117 | *last_test = (word >> 8) & 0xFF; | |
118 | } | |
119 | ||
120 | return bootmode; | |
121 | } | |
122 | ||
228f29ac WD |
123 | /* POST tests run before relocation only mark status bits .... */ |
124 | static void post_log_mark_start ( unsigned long testid ) | |
125 | { | |
228f29ac WD |
126 | gd->post_log_word |= (testid)<<16; |
127 | } | |
128 | ||
129 | static void post_log_mark_succ ( unsigned long testid ) | |
130 | { | |
228f29ac WD |
131 | gd->post_log_word |= testid; |
132 | } | |
133 | ||
134 | /* ... and the messages are output once we are relocated */ | |
135 | void post_output_backlog ( void ) | |
136 | { | |
228f29ac WD |
137 | int j; |
138 | ||
139 | for (j = 0; j < post_list_size; j++) { | |
140 | if (gd->post_log_word & (post_list[j].testid<<16)) { | |
141 | post_log ("POST %s ", post_list[j].cmd); | |
142 | if (gd->post_log_word & post_list[j].testid) | |
143 | post_log ("PASSED\n"); | |
63e73c9a | 144 | else { |
228f29ac | 145 | post_log ("FAILED\n"); |
fad63407 | 146 | show_boot_progress (-31); |
63e73c9a | 147 | } |
228f29ac WD |
148 | } |
149 | } | |
150 | } | |
151 | ||
a042ac84 WD |
152 | static void post_bootmode_test_on (unsigned int last_test) |
153 | { | |
154 | unsigned long word = post_word_load (); | |
155 | ||
156 | word |= POST_POWERTEST; | |
157 | ||
158 | word |= (last_test & 0xFF) << 8; | |
159 | ||
160 | post_word_store (word); | |
161 | } | |
162 | ||
163 | static void post_bootmode_test_off (void) | |
164 | { | |
165 | unsigned long word = post_word_load (); | |
166 | ||
167 | word &= ~POST_POWERTEST; | |
168 | ||
169 | post_word_store (word); | |
170 | } | |
171 | ||
172 | static void post_get_flags (int *test_flags) | |
173 | { | |
e262efe3 YT |
174 | int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST, |
175 | POST_CRITICAL }; | |
176 | char *var[] = { "post_poweron", "post_normal", "post_slowtest", | |
177 | "post_critical" }; | |
a042ac84 WD |
178 | int varnum = sizeof (var) / sizeof (var[0]); |
179 | char list[128]; /* long enough for POST list */ | |
180 | char *name; | |
181 | char *s; | |
182 | int last; | |
183 | int i, j; | |
184 | ||
185 | for (j = 0; j < post_list_size; j++) { | |
186 | test_flags[j] = post_list[j].flags; | |
187 | } | |
188 | ||
189 | for (i = 0; i < varnum; i++) { | |
190 | if (getenv_r (var[i], list, sizeof (list)) <= 0) | |
191 | continue; | |
192 | ||
193 | for (j = 0; j < post_list_size; j++) { | |
194 | test_flags[j] &= ~flag[i]; | |
195 | } | |
196 | ||
197 | last = 0; | |
198 | name = list; | |
199 | while (!last) { | |
200 | while (*name && *name == ' ') | |
201 | name++; | |
202 | if (*name == 0) | |
203 | break; | |
204 | s = name + 1; | |
205 | while (*s && *s != ' ') | |
206 | s++; | |
207 | if (*s == 0) | |
208 | last = 1; | |
209 | else | |
210 | *s = 0; | |
211 | ||
212 | for (j = 0; j < post_list_size; j++) { | |
213 | if (strcmp (post_list[j].cmd, name) == 0) { | |
214 | test_flags[j] |= flag[i]; | |
215 | break; | |
216 | } | |
217 | } | |
218 | ||
219 | if (j == post_list_size) { | |
220 | printf ("No such test: %s\n", name); | |
221 | } | |
222 | ||
223 | name = s + 1; | |
224 | } | |
225 | } | |
6dff5529 WD |
226 | |
227 | for (j = 0; j < post_list_size; j++) { | |
228 | if (test_flags[j] & POST_POWERON) { | |
229 | test_flags[j] |= POST_SLOWTEST; | |
230 | } | |
231 | } | |
a042ac84 WD |
232 | } |
233 | ||
234 | static int post_run_single (struct post_test *test, | |
235 | int test_flags, int flags, unsigned int i) | |
236 | { | |
237 | if ((flags & test_flags & POST_ALWAYS) && | |
238 | (flags & test_flags & POST_MEM)) { | |
239 | WATCHDOG_RESET (); | |
240 | ||
241 | if (!(flags & POST_REBOOT)) { | |
242 | if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) { | |
e262efe3 YT |
243 | post_bootmode_test_on ( |
244 | (gd->flags & GD_FLG_POSTFAIL) ? | |
245 | POST_FAIL_SAVE | i : i); | |
a042ac84 WD |
246 | } |
247 | ||
228f29ac WD |
248 | if (test_flags & POST_PREREL) |
249 | post_log_mark_start ( test->testid ); | |
250 | else | |
56f94be3 | 251 | post_log ("POST %s ", test->cmd); |
a042ac84 WD |
252 | } |
253 | ||
228f29ac WD |
254 | if (test_flags & POST_PREREL) { |
255 | if ((*test->test) (flags) == 0) | |
256 | post_log_mark_succ ( test->testid ); | |
28a38506 YT |
257 | else { |
258 | if (test_flags & POST_CRITICAL) | |
259 | gd->flags |= GD_FLG_POSTFAIL; | |
260 | if (test_flags & POST_STOP) | |
261 | gd->flags |= GD_FLG_POSTSTOP; | |
262 | } | |
228f29ac | 263 | } else { |
63e73c9a | 264 | if ((*test->test) (flags) != 0) { |
a042ac84 | 265 | post_log ("FAILED\n"); |
fad63407 | 266 | show_boot_progress (-32); |
e262efe3 YT |
267 | if (test_flags & POST_CRITICAL) |
268 | gd->flags |= GD_FLG_POSTFAIL; | |
28a38506 YT |
269 | if (test_flags & POST_STOP) |
270 | gd->flags |= GD_FLG_POSTSTOP; | |
63e73c9a | 271 | } |
a042ac84 WD |
272 | else |
273 | post_log ("PASSED\n"); | |
228f29ac | 274 | } |
a042ac84 WD |
275 | |
276 | if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) { | |
277 | post_bootmode_test_off (); | |
278 | } | |
279 | ||
280 | return 0; | |
281 | } else { | |
282 | return -1; | |
283 | } | |
284 | } | |
285 | ||
286 | int post_run (char *name, int flags) | |
287 | { | |
288 | unsigned int i; | |
289 | int test_flags[POST_MAX_NUMBER]; | |
290 | ||
291 | post_get_flags (test_flags); | |
292 | ||
293 | if (name == NULL) { | |
294 | unsigned int last; | |
295 | ||
28a38506 YT |
296 | if (gd->flags & GD_FLG_POSTSTOP) |
297 | return 0; | |
298 | ||
a042ac84 | 299 | if (post_bootmode_get (&last) & POST_POWERTEST) { |
e262efe3 YT |
300 | if (last & POST_FAIL_SAVE) { |
301 | last &= ~POST_FAIL_SAVE; | |
302 | gd->flags |= GD_FLG_POSTFAIL; | |
303 | } | |
a042ac84 WD |
304 | if (last < post_list_size && |
305 | (flags & test_flags[last] & POST_ALWAYS) && | |
306 | (flags & test_flags[last] & POST_MEM)) { | |
307 | ||
ea909b76 WD |
308 | post_run_single (post_list + last, |
309 | test_flags[last], | |
310 | flags | POST_REBOOT, last); | |
a042ac84 WD |
311 | |
312 | for (i = last + 1; i < post_list_size; i++) { | |
28a38506 YT |
313 | if (gd->flags & GD_FLG_POSTSTOP) |
314 | break; | |
ea909b76 WD |
315 | post_run_single (post_list + i, |
316 | test_flags[i], | |
317 | flags, i); | |
a042ac84 WD |
318 | } |
319 | } | |
320 | } else { | |
321 | for (i = 0; i < post_list_size; i++) { | |
28a38506 YT |
322 | if (gd->flags & GD_FLG_POSTSTOP) |
323 | break; | |
ea909b76 WD |
324 | post_run_single (post_list + i, |
325 | test_flags[i], | |
326 | flags, i); | |
a042ac84 WD |
327 | } |
328 | } | |
329 | ||
330 | return 0; | |
331 | } else { | |
332 | for (i = 0; i < post_list_size; i++) { | |
333 | if (strcmp (post_list[i].cmd, name) == 0) | |
334 | break; | |
335 | } | |
336 | ||
337 | if (i < post_list_size) { | |
5744ddc6 | 338 | WATCHDOG_RESET(); |
a042ac84 WD |
339 | return post_run_single (post_list + i, |
340 | test_flags[i], | |
341 | flags, i); | |
342 | } else { | |
343 | return -1; | |
344 | } | |
345 | } | |
346 | } | |
347 | ||
348 | static int post_info_single (struct post_test *test, int full) | |
349 | { | |
350 | if (test->flags & POST_MANUAL) { | |
351 | if (full) | |
352 | printf ("%s - %s\n" | |
353 | " %s\n", test->cmd, test->name, test->desc); | |
354 | else | |
355 | printf (" %-15s - %s\n", test->cmd, test->name); | |
356 | ||
357 | return 0; | |
358 | } else { | |
359 | return -1; | |
360 | } | |
361 | } | |
362 | ||
363 | int post_info (char *name) | |
364 | { | |
365 | unsigned int i; | |
366 | ||
367 | if (name == NULL) { | |
368 | for (i = 0; i < post_list_size; i++) { | |
369 | post_info_single (post_list + i, 0); | |
370 | } | |
371 | ||
372 | return 0; | |
373 | } else { | |
374 | for (i = 0; i < post_list_size; i++) { | |
375 | if (strcmp (post_list[i].cmd, name) == 0) | |
376 | break; | |
377 | } | |
378 | ||
379 | if (i < post_list_size) { | |
380 | return post_info_single (post_list + i, 1); | |
381 | } else { | |
382 | return -1; | |
383 | } | |
384 | } | |
385 | } | |
386 | ||
387 | int post_log (char *format, ...) | |
388 | { | |
389 | va_list args; | |
390 | uint i; | |
6d0f6bcf | 391 | char printbuffer[CONFIG_SYS_PBSIZE]; |
a042ac84 WD |
392 | |
393 | va_start (args, format); | |
394 | ||
395 | /* For this to work, printbuffer must be larger than | |
396 | * anything we ever want to print. | |
397 | */ | |
398 | i = vsprintf (printbuffer, format, args); | |
399 | va_end (args); | |
400 | ||
56f94be3 | 401 | #ifdef CONFIG_LOGBUFFER |
228f29ac | 402 | /* Send to the logbuffer */ |
56f94be3 WD |
403 | logbuff_log (printbuffer); |
404 | #else | |
a042ac84 WD |
405 | /* Send to the stdout file */ |
406 | puts (printbuffer); | |
56f94be3 | 407 | #endif |
a042ac84 WD |
408 | |
409 | return 0; | |
410 | } | |
411 | ||
521af04d | 412 | #ifndef CONFIG_RELOC_FIXUP_WORKS |
a042ac84 WD |
413 | void post_reloc (void) |
414 | { | |
a042ac84 WD |
415 | unsigned int i; |
416 | ||
417 | /* | |
418 | * We have to relocate the test table manually | |
419 | */ | |
420 | for (i = 0; i < post_list_size; i++) { | |
421 | ulong addr; | |
422 | struct post_test *test = post_list + i; | |
423 | ||
424 | if (test->name) { | |
425 | addr = (ulong) (test->name) + gd->reloc_off; | |
426 | test->name = (char *) addr; | |
427 | } | |
428 | ||
429 | if (test->cmd) { | |
430 | addr = (ulong) (test->cmd) + gd->reloc_off; | |
431 | test->cmd = (char *) addr; | |
432 | } | |
433 | ||
434 | if (test->desc) { | |
435 | addr = (ulong) (test->desc) + gd->reloc_off; | |
436 | test->desc = (char *) addr; | |
437 | } | |
438 | ||
439 | if (test->test) { | |
440 | addr = (ulong) (test->test) + gd->reloc_off; | |
441 | test->test = (int (*)(int flags)) addr; | |
442 | } | |
4532cb69 WD |
443 | |
444 | if (test->init_f) { | |
445 | addr = (ulong) (test->init_f) + gd->reloc_off; | |
446 | test->init_f = (int (*)(void)) addr; | |
447 | } | |
448 | ||
449 | if (test->reloc) { | |
450 | addr = (ulong) (test->reloc) + gd->reloc_off; | |
451 | test->reloc = (void (*)(void)) addr; | |
8bde7f77 | 452 | |
4532cb69 WD |
453 | test->reloc(); |
454 | } | |
a042ac84 WD |
455 | } |
456 | } | |
521af04d | 457 | #endif |
a042ac84 | 458 | |
4532cb69 WD |
459 | |
460 | /* | |
461 | * Some tests (e.g. SYSMON) need the time when post_init_f started, | |
462 | * but we cannot use get_timer() at this point. | |
463 | * | |
464 | * On PowerPC we implement it using the timebase register. | |
465 | */ | |
466 | unsigned long post_time_ms (unsigned long base) | |
467 | { | |
468 | #ifdef CONFIG_PPC | |
6d0f6bcf | 469 | return (unsigned long)(get_ticks () / (get_tbclk () / CONFIG_SYS_HZ)) - base; |
4532cb69 | 470 | #else |
ad5bb451 | 471 | #warning "Not implemented yet" |
4532cb69 WD |
472 | return 0; /* Not implemented yet */ |
473 | #endif | |
474 | } |