blob: 0e76026adf10d7df0a72cc9b288368259fc4bd57 [file] [log] [blame]
Aubrey.Li3f0606a2007-03-09 13:38:44 +08001/*
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 <console.h>
26#include <watchdog.h>
27#include <post.h>
28
29#ifdef CONFIG_LOGBUFFER
30#include <logbuff.h>
31#endif
32
33#ifdef CONFIG_POST
34
35#define POST_MAX_NUMBER 32
36
37#define BOOTMODE_MAGIC 0xDEAD0000
38
39int post_init_f(void)
40{
41 DECLARE_GLOBAL_DATA_PTR;
42
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 }
53
54 gd->post_init_f_time = post_time_ms(0);
55 if (!gd->post_init_f_time) {
56 printf
57 ("post/post.c: post_time_ms seems not to be implemented\n");
58 }
59
60 return res;
61}
62
63void post_bootmode_init(void)
64{
65 DECLARE_GLOBAL_DATA_PTR;
66 int bootmode = post_bootmode_get(0);
67 int newword;
68
69 if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) {
70 newword = BOOTMODE_MAGIC | POST_SLOWTEST;
71 } else if (bootmode == 0) {
72 newword = BOOTMODE_MAGIC | POST_POWERON;
73 } else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) {
74 newword = BOOTMODE_MAGIC | POST_NORMAL;
75 } else {
76 /* Use old value */
77 newword = post_word_load() & ~POST_COLDBOOT;
78 }
79
80 if (bootmode == 0) {
81 /* We are booting after power-on */
82 newword |= POST_COLDBOOT;
83 }
84
85 post_word_store(newword);
86
87 /* Reset activity record */
88 gd->post_log_word = 0;
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
100 bootmode = word & 0x7F;
101
102 if (last_test && (bootmode & POST_POWERTEST)) {
103 *last_test = (word >> 8) & 0xFF;
104 }
105
106 return bootmode;
107}
108
109/* POST tests run before relocation only mark status bits .... */
110static void post_log_mark_start(unsigned long testid)
111{
112 DECLARE_GLOBAL_DATA_PTR;
113 gd->post_log_word |= (testid) << 16;
114}
115
116static void post_log_mark_succ(unsigned long testid)
117{
118 DECLARE_GLOBAL_DATA_PTR;
119 gd->post_log_word |= testid;
120}
121
122/* ... and the messages are output once we are relocated */
123void post_output_backlog(void)
124{
125 DECLARE_GLOBAL_DATA_PTR;
126 int j;
127
128 for (j = 0; j < post_list_size; j++) {
129 if (gd->post_log_word & (post_list[j].testid << 16)) {
130 post_log("POST %s ", post_list[j].cmd);
131 if (gd->post_log_word & post_list[j].testid)
132 post_log("PASSED\n");
133 else {
134 post_log("FAILED\n");
135#ifdef CONFIG_SHOW_BOOT_PROGRESS
136 show_boot_progress(-31);
137#endif
138 }
139 }
140 }
141}
142
143static void post_bootmode_test_on(unsigned int last_test)
144{
145 unsigned long word = post_word_load();
146
147 word |= POST_POWERTEST;
148
149 word |= (last_test & 0xFF) << 8;
150
151 post_word_store(word);
152}
153
154static void post_bootmode_test_off(void)
155{
156 unsigned long word = post_word_load();
157
158 word &= ~POST_POWERTEST;
159
160 post_word_store(word);
161}
162
163static void post_get_flags(int *test_flags)
164{
165 int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST };
166 char *var[] = { "post_poweron", "post_normal", "post_slowtest" };
167 int varnum = sizeof(var) / sizeof(var[0]);
168 char list[128]; /* long enough for POST list */
169 char *name;
170 char *s;
171 int last;
172 int i, j;
173
174 for (j = 0; j < post_list_size; j++) {
175 test_flags[j] = post_list[j].flags;
176 }
177
178 for (i = 0; i < varnum; i++) {
179 if (getenv_r(var[i], list, sizeof(list)) <= 0)
180 continue;
181
182 for (j = 0; j < post_list_size; j++) {
183 test_flags[j] &= ~flag[i];
184 }
185
186 last = 0;
187 name = list;
188 while (!last) {
189 while (*name && *name == ' ')
190 name++;
191 if (*name == 0)
192 break;
193 s = name + 1;
194 while (*s && *s != ' ')
195 s++;
196 if (*s == 0)
197 last = 1;
198 else
199 *s = 0;
200
201 for (j = 0; j < post_list_size; j++) {
202 if (strcmp(post_list[j].cmd, name) == 0) {
203 test_flags[j] |= flag[i];
204 break;
205 }
206 }
207
208 if (j == post_list_size) {
209 printf("No such test: %s\n", name);
210 }
211
212 name = s + 1;
213 }
214 }
215
216 for (j = 0; j < post_list_size; j++) {
217 if (test_flags[j] & POST_POWERON) {
218 test_flags[j] |= POST_SLOWTEST;
219 }
220 }
221}
222
223static int post_run_single(struct post_test *test,
224 int test_flags, int flags, unsigned int i)
225{
226 if ((flags & test_flags & POST_ALWAYS) &&
227 (flags & test_flags & POST_MEM)) {
228 WATCHDOG_RESET();
229
230 if (!(flags & POST_REBOOT)) {
231 if ((test_flags & POST_REBOOT)
232 && !(flags & POST_MANUAL)) {
233 post_bootmode_test_on(i);
234 }
235
236 if (test_flags & POST_PREREL)
237 post_log_mark_start(test->testid);
238 else
239 post_log("POST %s ", test->cmd);
240 }
241
242 if (test_flags & POST_PREREL) {
243 if ((*test->test) (flags) == 0)
244 post_log_mark_succ(test->testid);
245 } else {
246 if ((*test->test) (flags) != 0) {
247 post_log("FAILED\n");
248#ifdef CONFIG_SHOW_BOOT_PROGRESS
249 show_boot_progress(-32);
250#endif
251 } else
252 post_log("PASSED\n");
253 }
254
255 if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
256 post_bootmode_test_off();
257 }
258
259 return 0;
260 } else {
261 return -1;
262 }
263}
264
265int post_run(char *name, int flags)
266{
267 unsigned int i;
268 int test_flags[POST_MAX_NUMBER];
269
270 post_get_flags(test_flags);
271
272 if (name == NULL) {
273 unsigned int last;
274
275 if (post_bootmode_get(&last) & POST_POWERTEST) {
276 if (last < post_list_size &&
277 (flags & test_flags[last] & POST_ALWAYS) &&
278 (flags & test_flags[last] & POST_MEM)) {
279
280 post_run_single(post_list + last,
281 test_flags[last],
282 flags | POST_REBOOT, last);
283
284 for (i = last + 1; i < post_list_size; i++) {
285 post_run_single(post_list + i,
286 test_flags[i],
287 flags, i);
288 }
289 }
290 } else {
291 for (i = 0; i < post_list_size; i++) {
292 post_run_single(post_list + i,
293 test_flags[i], flags, i);
294 }
295 }
296
297 return 0;
298 } else {
299 for (i = 0; i < post_list_size; i++) {
300 if (strcmp(post_list[i].cmd, name) == 0)
301 break;
302 }
303
304 if (i < post_list_size) {
305 return post_run_single(post_list + i,
306 test_flags[i], flags, i);
307 } else {
308 return -1;
309 }
310 }
311}
312
313static int post_info_single(struct post_test *test, int full)
314{
315 if (test->flags & POST_MANUAL) {
316 if (full)
317 printf("%s - %s\n"
318 " %s\n", test->cmd, test->name, test->desc);
319 else
320 printf(" %-15s - %s\n", test->cmd, test->name);
321
322 return 0;
323 } else {
324 return -1;
325 }
326}
327
328int post_info(char *name)
329{
330 unsigned int i;
331
332 if (name == NULL) {
333 for (i = 0; i < post_list_size; i++) {
334 post_info_single(post_list + i, 0);
335 }
336
337 return 0;
338 } else {
339 for (i = 0; i < post_list_size; i++) {
340 if (strcmp(post_list[i].cmd, name) == 0)
341 break;
342 }
343
344 if (i < post_list_size) {
345 return post_info_single(post_list + i, 1);
346 } else {
347 return -1;
348 }
349 }
350}
351
352int post_log(char *format, ...)
353{
354 va_list args;
355 uint i;
356 char printbuffer[CFG_PBSIZE];
357
358 va_start(args, format);
359
360 /* For this to work, printbuffer must be larger than
361 * anything we ever want to print.
362 */
363 i = vsprintf(printbuffer, format, args);
364 va_end(args);
365
366#ifdef CONFIG_LOGBUFFER
367 /* Send to the logbuffer */
368 logbuff_log(printbuffer);
369#else
370 /* Send to the stdout file */
371 puts(printbuffer);
372#endif
373
374 return 0;
375}
376
377void post_reloc(void)
378{
379 DECLARE_GLOBAL_DATA_PTR;
380
381 unsigned int i;
382
383 /*
384 * We have to relocate the test table manually
385 */
386 for (i = 0; i < post_list_size; i++) {
387 ulong addr;
388 struct post_test *test = post_list + i;
389
390 if (test->name) {
391 addr = (ulong) (test->name) + gd->reloc_off;
392 test->name = (char *)addr;
393 }
394
395 if (test->cmd) {
396 addr = (ulong) (test->cmd) + gd->reloc_off;
397 test->cmd = (char *)addr;
398 }
399
400 if (test->desc) {
401 addr = (ulong) (test->desc) + gd->reloc_off;
402 test->desc = (char *)addr;
403 }
404
405 if (test->test) {
406 addr = (ulong) (test->test) + gd->reloc_off;
407 test->test = (int (*)(int flags))addr;
408 }
409
410 if (test->init_f) {
411 addr = (ulong) (test->init_f) + gd->reloc_off;
412 test->init_f = (int (*)(void))addr;
413 }
414
415 if (test->reloc) {
416 addr = (ulong) (test->reloc) + gd->reloc_off;
417 test->reloc = (void (*)(void))addr;
418
419 test->reloc();
420 }
421 }
422}
423
424/*
425 * Some tests (e.g. SYSMON) need the time when post_init_f started,
426 * but we cannot use get_timer() at this point.
427 *
428 * On PowerPC we implement it using the timebase register.
429 */
430unsigned long post_time_ms(unsigned long base)
431{
432 return (unsigned long)get_ticks() / (get_tbclk() / CFG_HZ) - base;
433}
434
435#endif /* CONFIG_POST */