[people/ms/u-boot.git] / post / post.c

/*
 * (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);
	int newword;

	if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) {
		newword = BOOTMODE_MAGIC | POST_SLOWTEST;
	} else if (bootmode == 0) {
		newword = BOOTMODE_MAGIC | POST_POWERON;
	} else if (bootmode == POST_POWERON || bootmode == POST_SLOWTEST) {
		newword = BOOTMODE_MAGIC | POST_NORMAL;
	} else {
		/* Use old value */
		newword = post_word_load () & ~POST_COLDBOOT;
	}

	if (bootmode == 0)
	{
		/* We are booting after power-on */
		newword |= POST_COLDBOOT;
	}

	post_word_store (newword);

	/* 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 & 0x7F;

	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 */
Commit	Line	Data
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>
	25	#include <console.h>
	26	#include <watchdog.h>
	27	#include <post.h>
	28
56f94be3 WD	29	#ifdef CONFIG_LOGBUFFER
	30	#include <logbuff.h>
	31	#endif
	32
a042ac84 WD	33	#ifdef CONFIG_POST
	34
	35	#define POST_MAX_NUMBER 32
	36
	37	#define BOOTMODE_MAGIC 0xDEAD0000
	38
4532cb69 WD	39	int 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	}
8bde7f77	53
4532cb69 WD	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
a042ac84 WD	63	void post_bootmode_init (void)
a042ac84 WD	64	{
228f29ac	65	DECLARE_GLOBAL_DATA_PTR;
a042ac84	66	int bootmode = post_bootmode_get (0);
27b207fd	67	int newword;
42d1f039	68
27b207fd WD	69	if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) {
27b207fd WD	70	newword = BOOTMODE_MAGIC \| POST_SLOWTEST;
6dff5529	71	} else if (bootmode == 0) {
27b207fd	72	newword = BOOTMODE_MAGIC \| POST_POWERON;
6dff5529	73	} else if (bootmode == POST_POWERON \|\| bootmode == POST_SLOWTEST) {
27b207fd	74	newword = BOOTMODE_MAGIC \| POST_NORMAL;
a042ac84	75	} else {
27b207fd WD	76	/* Use old value */
27b207fd WD	77	newword = post_word_load () & ~POST_COLDBOOT;
a042ac84 WD	78	}
a042ac84 WD	79
27b207fd WD	80	if (bootmode == 0)
	81	{
	82	/* We are booting after power-on */
	83	newword \|= POST_COLDBOOT;
	84	}
	85
	86	post_word_store (newword);
	87
228f29ac WD	88	/* Reset activity record */
228f29ac WD	89	gd->post_log_word = 0;
a042ac84 WD	90	}
	91
	92	int post_bootmode_get (unsigned int *last_test)
	93	{
	94	unsigned long word = post_word_load ();
	95	int bootmode;
	96
	97	if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
	98	return 0;
	99	}
	100
27b207fd	101	bootmode = word & 0x7F;
a042ac84 WD	102
	103	if (last_test && (bootmode & POST_POWERTEST)) {
	104	*last_test = (word >> 8) & 0xFF;
	105	}
	106
	107	return bootmode;
	108	}
	109
228f29ac WD	110	/* POST tests run before relocation only mark status bits .... */
	111	static void post_log_mark_start ( unsigned long testid )
	112	{
	113	DECLARE_GLOBAL_DATA_PTR;
	114	gd->post_log_word \|= (testid)<<16;
	115	}
	116
	117	static void post_log_mark_succ ( unsigned long testid )
	118	{
	119	DECLARE_GLOBAL_DATA_PTR;
	120	gd->post_log_word \|= testid;
	121	}
	122
	123	/* ... and the messages are output once we are relocated */
	124	void post_output_backlog ( void )
	125	{
	126	DECLARE_GLOBAL_DATA_PTR;
	127	int j;
	128
	129	for (j = 0; j < post_list_size; j++) {
	130	if (gd->post_log_word & (post_list[j].testid<<16)) {
	131	post_log ("POST %s ", post_list[j].cmd);
	132	if (gd->post_log_word & post_list[j].testid)
	133	post_log ("PASSED\n");
	134	else
	135	post_log ("FAILED\n");
	136	}
	137	}
	138	}
	139
a042ac84 WD	140	static void post_bootmode_test_on (unsigned int last_test)
	141	{
	142	unsigned long word = post_word_load ();
	143
	144	word \|= POST_POWERTEST;
	145
	146	word \|= (last_test & 0xFF) << 8;
	147
	148	post_word_store (word);
	149	}
	150
	151	static void post_bootmode_test_off (void)
	152	{
	153	unsigned long word = post_word_load ();
	154
	155	word &= ~POST_POWERTEST;
	156
	157	post_word_store (word);
	158	}
	159
	160	static void post_get_flags (int *test_flags)
	161	{
8564acf9 WD	162	int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST };
8564acf9 WD	163	char *var[] = { "post_poweron", "post_normal", "post_slowtest" };
a042ac84 WD	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	}
6dff5529 WD	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	}
a042ac84 WD	218	}
	219
	220	static 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)) {
	229	post_bootmode_test_on (i);
	230	}
	231
228f29ac WD	232	if (test_flags & POST_PREREL)
	233	post_log_mark_start ( test->testid );
	234	else
56f94be3	235	post_log ("POST %s ", test->cmd);
a042ac84 WD	236	}
a042ac84 WD	237
228f29ac WD	238	if (test_flags & POST_PREREL) {
	239	if ((*test->test) (flags) == 0)
	240	post_log_mark_succ ( test->testid );
	241	} else {
a042ac84 WD	242	if ((*test->test) (flags) != 0)
	243	post_log ("FAILED\n");
	244	else
	245	post_log ("PASSED\n");
228f29ac	246	}
a042ac84 WD	247
	248	if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
	249	post_bootmode_test_off ();
	250	}
	251
	252	return 0;
	253	} else {
	254	return -1;
	255	}
	256	}
	257
	258	int post_run (char *name, int flags)
	259	{
	260	unsigned int i;
	261	int test_flags[POST_MAX_NUMBER];
	262
	263	post_get_flags (test_flags);
	264
	265	if (name == NULL) {
	266	unsigned int last;
	267
	268	if (post_bootmode_get (&last) & POST_POWERTEST) {
	269	if (last < post_list_size &&
	270	(flags & test_flags[last] & POST_ALWAYS) &&
	271	(flags & test_flags[last] & POST_MEM)) {
	272
ea909b76 WD	273	post_run_single (post_list + last,
	274	test_flags[last],
	275	flags \| POST_REBOOT, last);
a042ac84 WD	276
a042ac84 WD	277	for (i = last + 1; i < post_list_size; i++) {
ea909b76 WD	278	post_run_single (post_list + i,
	279	test_flags[i],
	280	flags, i);
a042ac84 WD	281	}
	282	}
	283	} else {
	284	for (i = 0; i < post_list_size; i++) {
ea909b76 WD	285	post_run_single (post_list + i,
	286	test_flags[i],
	287	flags, i);
a042ac84 WD	288	}
	289	}
	290
	291	return 0;
	292	} else {
	293	for (i = 0; i < post_list_size; i++) {
	294	if (strcmp (post_list[i].cmd, name) == 0)
	295	break;
	296	}
	297
	298	if (i < post_list_size) {
	299	return post_run_single (post_list + i,
	300	test_flags[i],
	301	flags, i);
	302	} else {
	303	return -1;
	304	}
	305	}
	306	}
	307
	308	static int post_info_single (struct post_test *test, int full)
	309	{
	310	if (test->flags & POST_MANUAL) {
	311	if (full)
	312	printf ("%s - %s\n"
	313	" %s\n", test->cmd, test->name, test->desc);
	314	else
	315	printf (" %-15s - %s\n", test->cmd, test->name);
	316
	317	return 0;
	318	} else {
	319	return -1;
	320	}
	321	}
	322
	323	int post_info (char *name)
	324	{
	325	unsigned int i;
	326
	327	if (name == NULL) {
	328	for (i = 0; i < post_list_size; i++) {
	329	post_info_single (post_list + i, 0);
	330	}
	331
	332	return 0;
	333	} else {
	334	for (i = 0; i < post_list_size; i++) {
	335	if (strcmp (post_list[i].cmd, name) == 0)
	336	break;
	337	}
	338
	339	if (i < post_list_size) {
	340	return post_info_single (post_list + i, 1);
	341	} else {
	342	return -1;
	343	}
	344	}
	345	}
	346
	347	int post_log (char *format, ...)
	348	{
	349	va_list args;
	350	uint i;
	351	char printbuffer[CFG_PBSIZE];
352
353	va_start (args, format);
354
355	/* For this to work, printbuffer must be larger than
356	* anything we ever want to print.
357	*/
358	i = vsprintf (printbuffer, format, args);
359	va_end (args);
360
56f94be3	361	#ifdef CONFIG_LOGBUFFER
228f29ac	362	/* Send to the logbuffer */
56f94be3 WD	363	logbuff_log (printbuffer);
56f94be3 WD	364	#else
a042ac84 WD	365	/* Send to the stdout file */
a042ac84 WD	366	puts (printbuffer);
56f94be3	367	#endif
a042ac84 WD	368
	369	return 0;
	370	}
	371
	372	void post_reloc (void)
	373	{
	374	DECLARE_GLOBAL_DATA_PTR;
	375
	376	unsigned int i;
	377
	378	/*
	379	* We have to relocate the test table manually
	380	*/
	381	for (i = 0; i < post_list_size; i++) {
	382	ulong addr;
	383	struct post_test *test = post_list + i;
	384
	385	if (test->name) {
	386	addr = (ulong) (test->name) + gd->reloc_off;
	387	test->name = (char *) addr;
	388	}
	389
	390	if (test->cmd) {
	391	addr = (ulong) (test->cmd) + gd->reloc_off;
	392	test->cmd = (char *) addr;
	393	}
	394
	395	if (test->desc) {
	396	addr = (ulong) (test->desc) + gd->reloc_off;
	397	test->desc = (char *) addr;
	398	}
	399
	400	if (test->test) {
	401	addr = (ulong) (test->test) + gd->reloc_off;
	402	test->test = (int (*)(int flags)) addr;
	403	}
4532cb69 WD	404
	405	if (test->init_f) {
	406	addr = (ulong) (test->init_f) + gd->reloc_off;
	407	test->init_f = (int (*)(void)) addr;
	408	}
	409
	410	if (test->reloc) {
	411	addr = (ulong) (test->reloc) + gd->reloc_off;
	412	test->reloc = (void (*)(void)) addr;
8bde7f77	413
4532cb69 WD	414	test->reloc();
4532cb69 WD	415	}
a042ac84 WD	416	}
	417	}
	418
4532cb69 WD	419
	420	/*
	421	* Some tests (e.g. SYSMON) need the time when post_init_f started,
	422	* but we cannot use get_timer() at this point.
	423	*
	424	* On PowerPC we implement it using the timebase register.
	425	*/
	426	unsigned long post_time_ms (unsigned long base)
	427	{
	428	#ifdef CONFIG_PPC
	429	return (unsigned long)get_ticks () / (get_tbclk () / CFG_HZ) - base;
	430	#else
	431	return 0; /* Not implemented yet */
	432	#endif
	433	}
	434
a042ac84	435	#endif /* CONFIG_POST */