summaryrefslogtreecommitdiffstats
path: root/post/post.c
blob: 0474f1f75b11e735f6aa6607e0525207583323c6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
/*
 * (C) Copyright 2002
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <console.h>
#include <watchdog.h>
#include <post.h>

#ifdef CONFIG_LOGBUFFER
#include <logbuff.h>
#endif

#ifdef CONFIG_POST

#define POST_MAX_NUMBER		32

#define BOOTMODE_MAGIC	0xDEAD0000

int post_init_f (void)
{
	DECLARE_GLOBAL_DATA_PTR;

	int res = 0;
	unsigned int i;

	for (i = 0; i < post_list_size; i++) {
		struct post_test *test = post_list + i;

		if (test->init_f && test->init_f()) {
			res = -1;
		}
	}

	gd->post_init_f_time = post_time_ms(0);
	if (!gd->post_init_f_time)
	{
		printf("post/post.c: post_time_ms seems not to be implemented\n");
	}

	return res;
}

void post_bootmode_init (void)
{
	DECLARE_GLOBAL_DATA_PTR;
	int bootmode = post_bootmode_get (0);

	if (post_hotkeys_pressed(gd) && !(bootmode & POST_POWERTEST)) {
		bootmode = POST_SLOWTEST;
	} else if (bootmode == 0) {
		bootmode = POST_POWERON;
	} else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) {
		bootmode = POST_NORMAL;
	} else {
		return;
	}

	post_word_store (BOOTMODE_MAGIC | bootmode);
	/* Reset activity record */
	gd->post_log_word = 0;
}

int post_bootmode_get (unsigned int *last_test)
{
	unsigned long word = post_word_load ();
	int bootmode;

	if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
		return 0;
	}

	bootmode = word & 0xFF;

	if (last_test && (bootmode & POST_POWERTEST)) {
		*last_test = (word >> 8) & 0xFF;
	}

	return bootmode;
}

/* POST tests run before relocation only mark status bits .... */
static void post_log_mark_start ( unsigned long testid )
{
	DECLARE_GLOBAL_DATA_PTR;
	gd->post_log_word |= (testid)<<16;
}

static void post_log_mark_succ ( unsigned long testid )
{
	DECLARE_GLOBAL_DATA_PTR;
	gd->post_log_word |= testid;
}

/* ... and the messages are output once we are relocated */
void post_output_backlog ( void )
{
	DECLARE_GLOBAL_DATA_PTR;
	int j;

	for (j = 0; j < post_list_size; j++) {
		if (gd->post_log_word & (post_list[j].testid<<16)) {
			post_log ("POST %s ", post_list[j].cmd);
			if (gd->post_log_word & post_list[j].testid)
				post_log ("PASSED\n");
			else
				post_log ("FAILED\n");
		}
	}
}

static void post_bootmode_test_on (unsigned int last_test)
{
	unsigned long word = post_word_load ();

	word |= POST_POWERTEST;

	word |= (last_test & 0xFF) << 8;

	post_word_store (word);
}

static void post_bootmode_test_off (void)
{
	unsigned long word = post_word_load ();

	word &= ~POST_POWERTEST;

	post_word_store (word);
}

static void post_get_flags (int *test_flags)
{
	int  flag[] = {  POST_POWERON,   POST_NORMAL,   POST_SLOWTEST };
	char *var[] = { "post_poweron", "post_normal", "post_slowtest" };
	int varnum = sizeof (var) / sizeof (var[0]);
	char list[128];			/* long enough for POST list */
	char *name;
	char *s;
	int last;
	int i, j;

	for (j = 0; j < post_list_size; j++) {
		test_flags[j] = post_list[j].flags;
	}

	for (i = 0; i < varnum; i++) {
		if (getenv_r (var[i], list, sizeof (list)) <= 0)
			continue;

		for (j = 0; j < post_list_size; j++) {
			test_flags[j] &= ~flag[i];
		}

		last = 0;
		name = list;
		while (!last) {
			while (*name && *name == ' ')
				name++;
			if (*name == 0)
				break;
			s = name + 1;
			while (*s && *s != ' ')
				s++;
			if (*s == 0)
				last = 1;
			else
				*s = 0;

			for (j = 0; j < post_list_size; j++) {
				if (strcmp (post_list[j].cmd, name) == 0) {
					test_flags[j] |= flag[i];
					break;
				}
			}

			if (j == post_list_size) {
				printf ("No such test: %s\n", name);
			}

			name = s + 1;
		}
	}

	for (j = 0; j < post_list_size; j++) {
		if (test_flags[j] & POST_POWERON) {
			test_flags[j] |= POST_SLOWTEST;
		}
	}
}

static int post_run_single (struct post_test *test,
				int test_flags, int flags, unsigned int i)
{
	if ((flags & test_flags & POST_ALWAYS) &&
		(flags & test_flags & POST_MEM)) {
		WATCHDOG_RESET ();

		if (!(flags & POST_REBOOT)) {
			if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
				post_bootmode_test_on (i);
			}

			if (test_flags & POST_PREREL)
				post_log_mark_start ( test->testid );
			else
			post_log ("POST %s ", test->cmd);
		}

		if (test_flags & POST_PREREL) {
			if ((*test->test) (flags) == 0)
				post_log_mark_succ ( test->testid );
		} else {
		if ((*test->test) (flags) != 0)
			post_log ("FAILED\n");
		else
			post_log ("PASSED\n");
		}

		if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
			post_bootmode_test_off ();
		}

		return 0;
	} else {
		return -1;
	}
}

int post_run (char *name, int flags)
{
	unsigned int i;
	int test_flags[POST_MAX_NUMBER];

	post_get_flags (test_flags);

	if (name == NULL) {
		unsigned int last;

		if (post_bootmode_get (&last) & POST_POWERTEST) {
			if (last < post_list_size &&
				(flags & test_flags[last] & POST_ALWAYS) &&
				(flags & test_flags[last] & POST_MEM)) {

				post_run_single (post_list + last,
						 test_flags[last],
						 flags | POST_REBOOT, last);

				for (i = last + 1; i < post_list_size; i++) {
					post_run_single (post_list + i,
							 test_flags[i],
							 flags, i);
				}
			}
		} else {
			for (i = 0; i < post_list_size; i++) {
				post_run_single (post_list + i,
						 test_flags[i],
						 flags, i);
			}
		}

		return 0;
	} else {
		for (i = 0; i < post_list_size; i++) {
			if (strcmp (post_list[i].cmd, name) == 0)
				break;
		}

		if (i < post_list_size) {
			return post_run_single (post_list + i,
						test_flags[i],
						flags, i);
		} else {
			return -1;
		}
	}
}

static int post_info_single (struct post_test *test, int full)
{
	if (test->flags & POST_MANUAL) {
		if (full)
			printf ("%s - %s\n"
				"  %s\n", test->cmd, test->name, test->desc);
		else
			printf ("  %-15s - %s\n", test->cmd, test->name);

		return 0;
	} else {
		return -1;
	}
}

int post_info (char *name)
{
	unsigned int i;

	if (name == NULL) {
		for (i = 0; i < post_list_size; i++) {
			post_info_single (post_list + i, 0);
		}

		return 0;
	} else {
		for (i = 0; i < post_list_size; i++) {
			if (strcmp (post_list[i].cmd, name) == 0)
				break;
		}

		if (i < post_list_size) {
			return post_info_single (post_list + i, 1);
		} else {
			return -1;
		}
	}
}

int post_log (char *format, ...)
{
	va_list args;
	uint i;
	char printbuffer[CFG_PBSIZE];

	va_start (args, format);

	/* For this to work, printbuffer must be larger than
	 * anything we ever want to print.
	 */
	i = vsprintf (printbuffer, format, args);
	va_end (args);

#ifdef CONFIG_LOGBUFFER
	/* Send to the logbuffer */
	logbuff_log (printbuffer);
#else
	/* Send to the stdout file */
	puts (printbuffer);
#endif

	return 0;
}

void post_reloc (void)
{
	DECLARE_GLOBAL_DATA_PTR;

	unsigned int i;

	/*
	 * We have to relocate the test table manually
	 */
	for (i = 0; i < post_list_size; i++) {
		ulong addr;
		struct post_test *test = post_list + i;

		if (test->name) {
			addr = (ulong) (test->name) + gd->reloc_off;
			test->name = (char *) addr;
		}

		if (test->cmd) {
			addr = (ulong) (test->cmd) + gd->reloc_off;
			test->cmd = (char *) addr;
		}

		if (test->desc) {
			addr = (ulong) (test->desc) + gd->reloc_off;
			test->desc = (char *) addr;
		}

		if (test->test) {
			addr = (ulong) (test->test) + gd->reloc_off;
			test->test = (int (*)(int flags)) addr;
		}

		if (test->init_f) {
			addr = (ulong) (test->init_f) + gd->reloc_off;
			test->init_f = (int (*)(void)) addr;
		}

		if (test->reloc) {
			addr = (ulong) (test->reloc) + gd->reloc_off;
			test->reloc = (void (*)(void)) addr;

			test->reloc();
		}
	}
}


/*
 * Some tests (e.g. SYSMON) need the time when post_init_f started,
 * but we cannot use get_timer() at this point.
 *
 * On PowerPC we implement it using the timebase register.
 */
unsigned long post_time_ms (unsigned long base)
{
#ifdef CONFIG_PPC
	return (unsigned long)get_ticks () / (get_tbclk () / CFG_HZ) - base;
#else
	return 0; /* Not implemented yet */
#endif
}

#endif /* CONFIG_POST */
OpenPOWER on IntegriCloud