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The patch introduces the CRITICAL feature of POST tests. If the test marked as POST_C...
[J-u-boot.git] / post / post.c
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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>
25#include <console.h>
26#include <watchdog.h>
27#include <post.h>
28
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29#ifdef CONFIG_LOGBUFFER
30#include <logbuff.h>
31#endif
32
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33#ifdef CONFIG_POST
34
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35DECLARE_GLOBAL_DATA_PTR;
36
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37#define POST_MAX_NUMBER 32
38
39#define BOOTMODE_MAGIC 0xDEAD0000
40
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41int post_init_f (void)
42{
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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 }
8bde7f77 53
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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
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63void post_bootmode_init (void)
64{
65 int bootmode = post_bootmode_get (0);
27b207fd 66 int newword;
42d1f039 67
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68 if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) {
69 newword = BOOTMODE_MAGIC | POST_SLOWTEST;
6dff5529 70 } else if (bootmode == 0) {
27b207fd 71 newword = BOOTMODE_MAGIC | POST_POWERON;
6dff5529 72 } else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) {
27b207fd 73 newword = BOOTMODE_MAGIC | POST_NORMAL;
a042ac84 74 } else {
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75 /* Use old value */
76 newword = post_word_load () & ~POST_COLDBOOT;
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77 }
78
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79 if (bootmode == 0)
80 {
81 /* We are booting after power-on */
82 newword |= POST_COLDBOOT;
83 }
84
85 post_word_store (newword);
86
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87 /* Reset activity record */
88 gd->post_log_word = 0;
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89}
90
91int post_bootmode_get (unsigned int *last_test)
92{
93 unsigned long word = post_word_load ();
94 int bootmode;
95
96 if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
97 return 0;
98 }
99
27b207fd 100 bootmode = word & 0x7F;
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101
102 if (last_test && (bootmode & POST_POWERTEST)) {
103 *last_test = (word >> 8) & 0xFF;
104 }
105
106 return bootmode;
107}
108
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109/* POST tests run before relocation only mark status bits .... */
110static void post_log_mark_start ( unsigned long testid )
111{
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112 gd->post_log_word |= (testid)<<16;
113}
114
115static void post_log_mark_succ ( unsigned long testid )
116{
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117 gd->post_log_word |= testid;
118}
119
120/* ... and the messages are output once we are relocated */
121void post_output_backlog ( void )
122{
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123 int j;
124
125 for (j = 0; j < post_list_size; j++) {
126 if (gd->post_log_word & (post_list[j].testid<<16)) {
127 post_log ("POST %s ", post_list[j].cmd);
128 if (gd->post_log_word & post_list[j].testid)
129 post_log ("PASSED\n");
63e73c9a 130 else {
228f29ac 131 post_log ("FAILED\n");
fad63407 132 show_boot_progress (-31);
63e73c9a 133 }
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134 }
135 }
136}
137
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138static void post_bootmode_test_on (unsigned int last_test)
139{
140 unsigned long word = post_word_load ();
141
142 word |= POST_POWERTEST;
143
144 word |= (last_test & 0xFF) << 8;
145
146 post_word_store (word);
147}
148
149static void post_bootmode_test_off (void)
150{
151 unsigned long word = post_word_load ();
152
153 word &= ~POST_POWERTEST;
154
155 post_word_store (word);
156}
157
158static void post_get_flags (int *test_flags)
159{
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160 int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST,
161 POST_CRITICAL };
162 char *var[] = { "post_poweron", "post_normal", "post_slowtest",
163 "post_critical" };
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164 int varnum = sizeof (var) / sizeof (var[0]);
165 char list[128]; /* long enough for POST list */
166 char *name;
167 char *s;
168 int last;
169 int i, j;
170
171 for (j = 0; j < post_list_size; j++) {
172 test_flags[j] = post_list[j].flags;
173 }
174
175 for (i = 0; i < varnum; i++) {
176 if (getenv_r (var[i], list, sizeof (list)) <= 0)
177 continue;
178
179 for (j = 0; j < post_list_size; j++) {
180 test_flags[j] &= ~flag[i];
181 }
182
183 last = 0;
184 name = list;
185 while (!last) {
186 while (*name && *name == ' ')
187 name++;
188 if (*name == 0)
189 break;
190 s = name + 1;
191 while (*s && *s != ' ')
192 s++;
193 if (*s == 0)
194 last = 1;
195 else
196 *s = 0;
197
198 for (j = 0; j < post_list_size; j++) {
199 if (strcmp (post_list[j].cmd, name) == 0) {
200 test_flags[j] |= flag[i];
201 break;
202 }
203 }
204
205 if (j == post_list_size) {
206 printf ("No such test: %s\n", name);
207 }
208
209 name = s + 1;
210 }
211 }
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212
213 for (j = 0; j < post_list_size; j++) {
214 if (test_flags[j] & POST_POWERON) {
215 test_flags[j] |= POST_SLOWTEST;
216 }
217 }
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218}
219
220static int post_run_single (struct post_test *test,
221 int test_flags, int flags, unsigned int i)
222{
223 if ((flags & test_flags & POST_ALWAYS) &&
224 (flags & test_flags & POST_MEM)) {
225 WATCHDOG_RESET ();
226
227 if (!(flags & POST_REBOOT)) {
228 if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
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229 post_bootmode_test_on (
230 (gd->flags & GD_FLG_POSTFAIL) ?
231 POST_FAIL_SAVE | i : i);
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232 }
233
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234 if (test_flags & POST_PREREL)
235 post_log_mark_start ( test->testid );
236 else
56f94be3 237 post_log ("POST %s ", test->cmd);
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238 }
239
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240 if (test_flags & POST_PREREL) {
241 if ((*test->test) (flags) == 0)
242 post_log_mark_succ ( test->testid );
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243 else if (test_flags & POST_CRITICAL)
244 gd->flags |= GD_FLG_POSTFAIL;
228f29ac 245 } else {
63e73c9a 246 if ((*test->test) (flags) != 0) {
a042ac84 247 post_log ("FAILED\n");
fad63407 248 show_boot_progress (-32);
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249 if (test_flags & POST_CRITICAL)
250 gd->flags |= GD_FLG_POSTFAIL;
63e73c9a 251 }
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252 else
253 post_log ("PASSED\n");
228f29ac 254 }
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255
256 if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
257 post_bootmode_test_off ();
258 }
259
260 return 0;
261 } else {
262 return -1;
263 }
264}
265
266int post_run (char *name, int flags)
267{
268 unsigned int i;
269 int test_flags[POST_MAX_NUMBER];
270
271 post_get_flags (test_flags);
272
273 if (name == NULL) {
274 unsigned int last;
275
276 if (post_bootmode_get (&last) & POST_POWERTEST) {
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277 if (last & POST_FAIL_SAVE) {
278 last &= ~POST_FAIL_SAVE;
279 gd->flags |= GD_FLG_POSTFAIL;
280 }
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281 if (last < post_list_size &&
282 (flags & test_flags[last] & POST_ALWAYS) &&
283 (flags & test_flags[last] & POST_MEM)) {
284
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285 post_run_single (post_list + last,
286 test_flags[last],
287 flags | POST_REBOOT, last);
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288
289 for (i = last + 1; i < post_list_size; i++) {
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290 post_run_single (post_list + i,
291 test_flags[i],
292 flags, i);
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293 }
294 }
295 } else {
296 for (i = 0; i < post_list_size; i++) {
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297 post_run_single (post_list + i,
298 test_flags[i],
299 flags, i);
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300 }
301 }
302
303 return 0;
304 } else {
305 for (i = 0; i < post_list_size; i++) {
306 if (strcmp (post_list[i].cmd, name) == 0)
307 break;
308 }
309
310 if (i < post_list_size) {
311 return post_run_single (post_list + i,
312 test_flags[i],
313 flags, i);
314 } else {
315 return -1;
316 }
317 }
318}
319
320static int post_info_single (struct post_test *test, int full)
321{
322 if (test->flags & POST_MANUAL) {
323 if (full)
324 printf ("%s - %s\n"
325 " %s\n", test->cmd, test->name, test->desc);
326 else
327 printf (" %-15s - %s\n", test->cmd, test->name);
328
329 return 0;
330 } else {
331 return -1;
332 }
333}
334
335int post_info (char *name)
336{
337 unsigned int i;
338
339 if (name == NULL) {
340 for (i = 0; i < post_list_size; i++) {
341 post_info_single (post_list + i, 0);
342 }
343
344 return 0;
345 } else {
346 for (i = 0; i < post_list_size; i++) {
347 if (strcmp (post_list[i].cmd, name) == 0)
348 break;
349 }
350
351 if (i < post_list_size) {
352 return post_info_single (post_list + i, 1);
353 } else {
354 return -1;
355 }
356 }
357}
358
359int post_log (char *format, ...)
360{
361 va_list args;
362 uint i;
363 char printbuffer[CFG_PBSIZE];
364
365 va_start (args, format);
366
367 /* For this to work, printbuffer must be larger than
368 * anything we ever want to print.
369 */
370 i = vsprintf (printbuffer, format, args);
371 va_end (args);
372
56f94be3 373#ifdef CONFIG_LOGBUFFER
228f29ac 374 /* Send to the logbuffer */
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375 logbuff_log (printbuffer);
376#else
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377 /* Send to the stdout file */
378 puts (printbuffer);
56f94be3 379#endif
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380
381 return 0;
382}
383
384void post_reloc (void)
385{
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386 unsigned int i;
387
388 /*
389 * We have to relocate the test table manually
390 */
391 for (i = 0; i < post_list_size; i++) {
392 ulong addr;
393 struct post_test *test = post_list + i;
394
395 if (test->name) {
396 addr = (ulong) (test->name) + gd->reloc_off;
397 test->name = (char *) addr;
398 }
399
400 if (test->cmd) {
401 addr = (ulong) (test->cmd) + gd->reloc_off;
402 test->cmd = (char *) addr;
403 }
404
405 if (test->desc) {
406 addr = (ulong) (test->desc) + gd->reloc_off;
407 test->desc = (char *) addr;
408 }
409
410 if (test->test) {
411 addr = (ulong) (test->test) + gd->reloc_off;
412 test->test = (int (*)(int flags)) addr;
413 }
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414
415 if (test->init_f) {
416 addr = (ulong) (test->init_f) + gd->reloc_off;
417 test->init_f = (int (*)(void)) addr;
418 }
419
420 if (test->reloc) {
421 addr = (ulong) (test->reloc) + gd->reloc_off;
422 test->reloc = (void (*)(void)) addr;
8bde7f77 423
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424 test->reloc();
425 }
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426 }
427}
428
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429
430/*
431 * Some tests (e.g. SYSMON) need the time when post_init_f started,
432 * but we cannot use get_timer() at this point.
433 *
434 * On PowerPC we implement it using the timebase register.
435 */
436unsigned long post_time_ms (unsigned long base)
437{
438#ifdef CONFIG_PPC
a11e0696 439 return (unsigned long)(get_ticks () / (get_tbclk () / CFG_HZ)) - base;
4532cb69 440#else
ad5bb451 441#warning "Not implemented yet"
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442 return 0; /* Not implemented yet */
443#endif
444}
445
a042ac84 446#endif /* CONFIG_POST */
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