[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);

	if (bootmode == 0) {
		bootmode = POST_POWERON;
	} else if (bootmode == POST_POWERON) {
		bootmode = POST_POWERNORMAL;
	} 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;
}

void post_bootmode_clear (void)
{
	post_word_store (0);
}

/* 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_POWERNORMAL, POST_POWERFAIL };
	char *var[] = { "post_poweron", "post_normal", "post_shutdown" };
	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;
		}
	}
}

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	}
	53
	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 WD	66	int bootmode = post_bootmode_get (0);
	67
	68	if (bootmode == 0) {
	69	bootmode = POST_POWERON;
	70	} else if (bootmode == POST_POWERON) {
	71	bootmode = POST_POWERNORMAL;
	72	} else {
	73	return;
	74	}
	75
	76	post_word_store (BOOTMODE_MAGIC \| bootmode);
228f29ac WD	77	/* Reset activity record */
228f29ac WD	78	gd->post_log_word = 0;
a042ac84 WD	79	}
	80
	81	int post_bootmode_get (unsigned int *last_test)
	82	{
	83	unsigned long word = post_word_load ();
	84	int bootmode;
	85
	86	if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
	87	return 0;
	88	}
	89
	90	bootmode = word & 0xFF;
	91
	92	if (last_test && (bootmode & POST_POWERTEST)) {
	93	*last_test = (word >> 8) & 0xFF;
	94	}
	95
	96	return bootmode;
	97	}
	98
	99	void post_bootmode_clear (void)
	100	{
	101	post_word_store (0);
	102	}
	103
228f29ac WD	104	/* POST tests run before relocation only mark status bits .... */
	105	static void post_log_mark_start ( unsigned long testid )
	106	{
	107	DECLARE_GLOBAL_DATA_PTR;
	108	gd->post_log_word \|= (testid)<<16;
	109	}
	110
	111	static void post_log_mark_succ ( unsigned long testid )
	112	{
	113	DECLARE_GLOBAL_DATA_PTR;
	114	gd->post_log_word \|= testid;
	115	}
	116
	117	/* ... and the messages are output once we are relocated */
	118	void post_output_backlog ( void )
	119	{
	120	DECLARE_GLOBAL_DATA_PTR;
	121	int j;
	122
	123	for (j = 0; j < post_list_size; j++) {
	124	if (gd->post_log_word & (post_list[j].testid<<16)) {
	125	post_log ("POST %s ", post_list[j].cmd);
	126	if (gd->post_log_word & post_list[j].testid)
	127	post_log ("PASSED\n");
	128	else
	129	post_log ("FAILED\n");
	130	}
	131	}
	132	}
	133
a042ac84 WD	134	static void post_bootmode_test_on (unsigned int last_test)
	135	{
	136	unsigned long word = post_word_load ();
	137
	138	word \|= POST_POWERTEST;
	139
	140	word \|= (last_test & 0xFF) << 8;
	141
	142	post_word_store (word);
	143	}
	144
	145	static void post_bootmode_test_off (void)
	146	{
	147	unsigned long word = post_word_load ();
	148
	149	word &= ~POST_POWERTEST;
	150
	151	post_word_store (word);
	152	}
	153
	154	static void post_get_flags (int *test_flags)
	155	{
	156	int flag[] = { POST_POWERON, POST_POWERNORMAL, POST_POWERFAIL };
	157	char *var[] = { "post_poweron", "post_normal", "post_shutdown" };
	158	int varnum = sizeof (var) / sizeof (var[0]);
	159	char list[128]; /* long enough for POST list */
	160	char *name;
	161	char *s;
	162	int last;
	163	int i, j;
	164
	165	for (j = 0; j < post_list_size; j++) {
	166	test_flags[j] = post_list[j].flags;
	167	}
	168
	169	for (i = 0; i < varnum; i++) {
	170	if (getenv_r (var[i], list, sizeof (list)) <= 0)
	171	continue;
	172
	173	for (j = 0; j < post_list_size; j++) {
	174	test_flags[j] &= ~flag[i];
	175	}
	176
	177	last = 0;
	178	name = list;
	179	while (!last) {
	180	while (name && name == ' ')
	181	name++;
	182	if (*name == 0)
	183	break;
	184	s = name + 1;
	185	while (s && s != ' ')
	186	s++;
	187	if (*s == 0)
	188	last = 1;
	189	else
	190	*s = 0;
	191
	192	for (j = 0; j < post_list_size; j++) {
	193	if (strcmp (post_list[j].cmd, name) == 0) {
	194	test_flags[j] \|= flag[i];
	195	break;
	196	}
	197	}
198
199	if (j == post_list_size) {
200	printf ("No such test: %s\n", name);
201	}
202
203	name = s + 1;
204	}
205	}
206	}
207
208	static int post_run_single (struct post_test *test,
209	int test_flags, int flags, unsigned int i)
210	{
211	if ((flags & test_flags & POST_ALWAYS) &&
212	(flags & test_flags & POST_MEM)) {
213	WATCHDOG_RESET ();
214
215	if (!(flags & POST_REBOOT)) {
216	if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
217	post_bootmode_test_on (i);
218	}
219
228f29ac WD	220	if (test_flags & POST_PREREL)
	221	post_log_mark_start ( test->testid );
	222	else
56f94be3	223	post_log ("POST %s ", test->cmd);
a042ac84 WD	224	}
a042ac84 WD	225
228f29ac WD	226	if (test_flags & POST_PREREL) {
	227	if ((*test->test) (flags) == 0)
	228	post_log_mark_succ ( test->testid );
	229	} else {
a042ac84 WD	230	if ((*test->test) (flags) != 0)
	231	post_log ("FAILED\n");
	232	else
	233	post_log ("PASSED\n");
228f29ac	234	}
a042ac84 WD	235
	236	if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
	237	post_bootmode_test_off ();
	238	}
	239
	240	return 0;
	241	} else {
	242	return -1;
	243	}
	244	}
	245
	246	int post_run (char *name, int flags)
	247	{
	248	unsigned int i;
	249	int test_flags[POST_MAX_NUMBER];
	250
	251	post_get_flags (test_flags);
	252
	253	if (name == NULL) {
	254	unsigned int last;
	255
	256	if (post_bootmode_get (&last) & POST_POWERTEST) {
	257	if (last < post_list_size &&
	258	(flags & test_flags[last] & POST_ALWAYS) &&
	259	(flags & test_flags[last] & POST_MEM)) {
	260
ea909b76 WD	261	post_run_single (post_list + last,
	262	test_flags[last],
	263	flags \| POST_REBOOT, last);
a042ac84 WD	264
a042ac84 WD	265	for (i = last + 1; i < post_list_size; i++) {
ea909b76 WD	266	post_run_single (post_list + i,
	267	test_flags[i],
	268	flags, i);
a042ac84 WD	269	}
	270	}
	271	} else {
	272	for (i = 0; i < post_list_size; i++) {
ea909b76 WD	273	post_run_single (post_list + i,
	274	test_flags[i],
	275	flags, i);
a042ac84 WD	276	}
	277	}
	278
	279	return 0;
	280	} else {
	281	for (i = 0; i < post_list_size; i++) {
	282	if (strcmp (post_list[i].cmd, name) == 0)
	283	break;
	284	}
	285
	286	if (i < post_list_size) {
	287	return post_run_single (post_list + i,
	288	test_flags[i],
	289	flags, i);
	290	} else {
	291	return -1;
	292	}
	293	}
	294	}
	295
	296	static int post_info_single (struct post_test *test, int full)
	297	{
	298	if (test->flags & POST_MANUAL) {
	299	if (full)
	300	printf ("%s - %s\n"
	301	" %s\n", test->cmd, test->name, test->desc);
	302	else
	303	printf (" %-15s - %s\n", test->cmd, test->name);
	304
	305	return 0;
	306	} else {
	307	return -1;
	308	}
	309	}
	310
	311	int post_info (char *name)
	312	{
	313	unsigned int i;
	314
	315	if (name == NULL) {
	316	for (i = 0; i < post_list_size; i++) {
	317	post_info_single (post_list + i, 0);
	318	}
	319
	320	return 0;
	321	} else {
	322	for (i = 0; i < post_list_size; i++) {
	323	if (strcmp (post_list[i].cmd, name) == 0)
	324	break;
	325	}
	326
	327	if (i < post_list_size) {
	328	return post_info_single (post_list + i, 1);
	329	} else {
	330	return -1;
	331	}
	332	}
	333	}
	334
	335	int post_log (char *format, ...)
	336	{
	337	va_list args;
	338	uint i;
	339	char printbuffer[CFG_PBSIZE];
340
341	va_start (args, format);
342
343	/* For this to work, printbuffer must be larger than
344	* anything we ever want to print.
345	*/
346	i = vsprintf (printbuffer, format, args);
347	va_end (args);
348
56f94be3	349	#ifdef CONFIG_LOGBUFFER
228f29ac	350	/* Send to the logbuffer */
56f94be3 WD	351	logbuff_log (printbuffer);
56f94be3 WD	352	#else
a042ac84 WD	353	/* Send to the stdout file */
a042ac84 WD	354	puts (printbuffer);
56f94be3	355	#endif
a042ac84 WD	356
	357	return 0;
	358	}
	359
	360	void post_reloc (void)
	361	{
	362	DECLARE_GLOBAL_DATA_PTR;
	363
	364	unsigned int i;
	365
	366	/*
	367	* We have to relocate the test table manually
	368	*/
	369	for (i = 0; i < post_list_size; i++) {
	370	ulong addr;
	371	struct post_test *test = post_list + i;
	372
	373	if (test->name) {
	374	addr = (ulong) (test->name) + gd->reloc_off;
	375	test->name = (char *) addr;
	376	}
	377
	378	if (test->cmd) {
	379	addr = (ulong) (test->cmd) + gd->reloc_off;
	380	test->cmd = (char *) addr;
	381	}
	382
	383	if (test->desc) {
	384	addr = (ulong) (test->desc) + gd->reloc_off;
	385	test->desc = (char *) addr;
	386	}
	387
	388	if (test->test) {
	389	addr = (ulong) (test->test) + gd->reloc_off;
	390	test->test = (int (*)(int flags)) addr;
	391	}
4532cb69 WD	392
	393	if (test->init_f) {
	394	addr = (ulong) (test->init_f) + gd->reloc_off;
	395	test->init_f = (int (*)(void)) addr;
	396	}
	397
	398	if (test->reloc) {
	399	addr = (ulong) (test->reloc) + gd->reloc_off;
	400	test->reloc = (void (*)(void)) addr;
	401
	402	test->reloc();
	403	}
a042ac84 WD	404	}
	405	}
	406
4532cb69 WD	407
	408	/*
	409	* Some tests (e.g. SYSMON) need the time when post_init_f started,
	410	* but we cannot use get_timer() at this point.
	411	*
	412	* On PowerPC we implement it using the timebase register.
	413	*/
	414	unsigned long post_time_ms (unsigned long base)
	415	{
	416	#ifdef CONFIG_PPC
	417	return (unsigned long)get_ticks () / (get_tbclk () / CFG_HZ) - base;
	418	#else
	419	return 0; /* Not implemented yet */
	420	#endif
	421	}
	422
a042ac84	423	#endif /* CONFIG_POST */