[J-u-boot.git] / lib_blackfin / post.c

/*
 * (C) Copyright 2002
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 *
 * 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

DECLARE_GLOBAL_DATA_PTR;

#define POST_MAX_NUMBER		32

#define BOOTMODE_MAGIC	0xDEAD0000

int post_init_f(void)
{
	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)
{
	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)
{
	gd->post_log_word |= (testid) << 16;
}

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

/* ... and the messages are output once we are relocated */
void post_output_backlog(void)
{
	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");
				show_boot_progress (-31);
			}
		}
	}
}

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");
				show_boot_progress (-32);
			} 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[CONFIG_SYS_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)
{
	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)
{
	return (unsigned long)get_ticks() / (get_tbclk() / CONFIG_SYS_HZ) - base;
}

#endif				/* CONFIG_POST */
Commit	Line	Data
3f0606ad AL	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
	29	#ifdef CONFIG_LOGBUFFER
	30	#include <logbuff.h>
	31	#endif
	32
	33	#ifdef CONFIG_POST
	34
1218abf1 WD	35	DECLARE_GLOBAL_DATA_PTR;
1218abf1 WD	36
3f0606ad AL	37	#define POST_MAX_NUMBER 32
	38
	39	#define BOOTMODE_MAGIC 0xDEAD0000
	40
	41	int post_init_f(void)
	42	{
3f0606ad AL	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
	63	void post_bootmode_init(void)
	64	{
3f0606ad AL	65	int bootmode = post_bootmode_get(0);
	66	int newword;
	67
	68	if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) {
	69	newword = BOOTMODE_MAGIC \| POST_SLOWTEST;
	70	} else if (bootmode == 0) {
	71	newword = BOOTMODE_MAGIC \| POST_POWERON;
	72	} else if (bootmode == POST_POWERON \|\| bootmode == POST_SLOWTEST) {
	73	newword = BOOTMODE_MAGIC \| POST_NORMAL;
	74	} else {
	75	/* Use old value */
	76	newword = post_word_load() & ~POST_COLDBOOT;
	77	}
	78
	79	if (bootmode == 0) {
	80	/* We are booting after power-on */
	81	newword \|= POST_COLDBOOT;
	82	}
	83
	84	post_word_store(newword);
	85
	86	/* Reset activity record */
	87	gd->post_log_word = 0;
	88	}
	89
	90	int post_bootmode_get(unsigned int *last_test)
	91	{
	92	unsigned long word = post_word_load();
	93	int bootmode;
	94
	95	if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
	96	return 0;
	97	}
	98
	99	bootmode = word & 0x7F;
	100
	101	if (last_test && (bootmode & POST_POWERTEST)) {
	102	*last_test = (word >> 8) & 0xFF;
	103	}
	104
	105	return bootmode;
	106	}
	107
	108	/* POST tests run before relocation only mark status bits .... */
	109	static void post_log_mark_start(unsigned long testid)
	110	{
3f0606ad AL	111	gd->post_log_word \|= (testid) << 16;
	112	}
	113
	114	static void post_log_mark_succ(unsigned long testid)
	115	{
3f0606ad AL	116	gd->post_log_word \|= testid;
	117	}
	118
	119	/* ... and the messages are output once we are relocated */
	120	void post_output_backlog(void)
	121	{
3f0606ad AL	122	int j;
	123
	124	for (j = 0; j < post_list_size; j++) {
	125	if (gd->post_log_word & (post_list[j].testid << 16)) {
	126	post_log("POST %s ", post_list[j].cmd);
	127	if (gd->post_log_word & post_list[j].testid)
	128	post_log("PASSED\n");
	129	else {
	130	post_log("FAILED\n");
fad63407	131	show_boot_progress (-31);
3f0606ad AL	132	}
	133	}
	134	}
	135	}
	136
	137	static void post_bootmode_test_on(unsigned int last_test)
	138	{
	139	unsigned long word = post_word_load();
	140
	141	word \|= POST_POWERTEST;
	142
	143	word \|= (last_test & 0xFF) << 8;
	144
	145	post_word_store(word);
	146	}
	147
	148	static void post_bootmode_test_off(void)
	149	{
	150	unsigned long word = post_word_load();
	151
	152	word &= ~POST_POWERTEST;
	153
	154	post_word_store(word);
	155	}
	156
	157	static void post_get_flags(int *test_flags)
	158	{
	159	int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST };
	160	char *var[] = { "post_poweron", "post_normal", "post_slowtest" };
	161	int varnum = sizeof(var) / sizeof(var[0]);
	162	char list[128]; /* long enough for POST list */
	163	char *name;
	164	char *s;
	165	int last;
	166	int i, j;
	167
	168	for (j = 0; j < post_list_size; j++) {
	169	test_flags[j] = post_list[j].flags;
	170	}
	171
	172	for (i = 0; i < varnum; i++) {
	173	if (getenv_r(var[i], list, sizeof(list)) <= 0)
	174	continue;
	175
	176	for (j = 0; j < post_list_size; j++) {
	177	test_flags[j] &= ~flag[i];
	178	}
	179
	180	last = 0;
	181	name = list;
	182	while (!last) {
	183	while (name && name == ' ')
	184	name++;
	185	if (*name == 0)
	186	break;
	187	s = name + 1;
	188	while (s && s != ' ')
	189	s++;
	190	if (*s == 0)
	191	last = 1;
	192	else
	193	*s = 0;
	194
	195	for (j = 0; j < post_list_size; j++) {
196	if (strcmp(post_list[j].cmd, name) == 0) {
197	test_flags[j] \|= flag[i];
198	break;
199	}
200	}
201
202	if (j == post_list_size) {
203	printf("No such test: %s\n", name);
204	}
205
206	name = s + 1;
207	}
208	}
209
210	for (j = 0; j < post_list_size; j++) {
211	if (test_flags[j] & POST_POWERON) {
212	test_flags[j] \|= POST_SLOWTEST;
213	}
214	}
215	}
216
217	static int post_run_single(struct post_test *test,
218	int test_flags, int flags, unsigned int i)
219	{
220	if ((flags & test_flags & POST_ALWAYS) &&
221	(flags & test_flags & POST_MEM)) {
222	WATCHDOG_RESET();
223
224	if (!(flags & POST_REBOOT)) {
225	if ((test_flags & POST_REBOOT)
226	&& !(flags & POST_MANUAL)) {
227	post_bootmode_test_on(i);
228	}
229
230	if (test_flags & POST_PREREL)
231	post_log_mark_start(test->testid);
232	else
233	post_log("POST %s ", test->cmd);
234	}
235
236	if (test_flags & POST_PREREL) {
237	if ((*test->test) (flags) == 0)
238	post_log_mark_succ(test->testid);
239	} else {
240	if ((*test->test) (flags) != 0) {
241	post_log("FAILED\n");
fad63407	242	show_boot_progress (-32);
3f0606ad AL	243	} else
	244	post_log("PASSED\n");
	245	}
	246
	247	if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
	248	post_bootmode_test_off();
	249	}
	250
	251	return 0;
	252	} else {
	253	return -1;
	254	}
	255	}
	256
	257	int post_run(char *name, int flags)
	258	{
	259	unsigned int i;
	260	int test_flags[POST_MAX_NUMBER];
	261
	262	post_get_flags(test_flags);
	263
	264	if (name == NULL) {
	265	unsigned int last;
	266
	267	if (post_bootmode_get(&last) & POST_POWERTEST) {
	268	if (last < post_list_size &&
	269	(flags & test_flags[last] & POST_ALWAYS) &&
	270	(flags & test_flags[last] & POST_MEM)) {
	271
	272	post_run_single(post_list + last,
	273	test_flags[last],
	274	flags \| POST_REBOOT, last);
	275
	276	for (i = last + 1; i < post_list_size; i++) {
	277	post_run_single(post_list + i,
	278	test_flags[i],
	279	flags, i);
	280	}
	281	}
	282	} else {
	283	for (i = 0; i < post_list_size; i++) {
	284	post_run_single(post_list + i,
	285	test_flags[i], flags, i);
	286	}
	287	}
	288
	289	return 0;
	290	} else {
	291	for (i = 0; i < post_list_size; i++) {
	292	if (strcmp(post_list[i].cmd, name) == 0)
	293	break;
	294	}
	295
	296	if (i < post_list_size) {
	297	return post_run_single(post_list + i,
	298	test_flags[i], flags, i);
	299	} else {
	300	return -1;
	301	}
	302	}
	303	}
	304
	305	static int post_info_single(struct post_test *test, int full)
	306	{
307	if (test->flags & POST_MANUAL) {
308	if (full)
309	printf("%s - %s\n"
310	" %s\n", test->cmd, test->name, test->desc);
311	else
312	printf(" %-15s - %s\n", test->cmd, test->name);
313
314	return 0;
315	} else {
316	return -1;
317	}
318	}
319
320	int post_info(char *name)
321	{
322	unsigned int i;
323
324	if (name == NULL) {
325	for (i = 0; i < post_list_size; i++) {
326	post_info_single(post_list + i, 0);
327	}
328
329	return 0;
330	} else {
331	for (i = 0; i < post_list_size; i++) {
332	if (strcmp(post_list[i].cmd, name) == 0)
333	break;
334	}
335
336	if (i < post_list_size) {
337	return post_info_single(post_list + i, 1);
338	} else {
339	return -1;
340	}
341	}
342	}
343
344	int post_log(char *format, ...)
345	{
346	va_list args;
347	uint i;
6d0f6bcf	348	char printbuffer[CONFIG_SYS_PBSIZE];
3f0606ad AL	349
	350	va_start(args, format);
	351
	352	/* For this to work, printbuffer must be larger than
	353	* anything we ever want to print.
	354	*/
	355	i = vsprintf(printbuffer, format, args);
	356	va_end(args);
	357
	358	#ifdef CONFIG_LOGBUFFER
	359	/* Send to the logbuffer */
	360	logbuff_log(printbuffer);
	361	#else
	362	/* Send to the stdout file */
	363	puts(printbuffer);
	364	#endif
	365
	366	return 0;
	367	}
	368
	369	void post_reloc(void)
	370	{
3f0606ad AL	371	unsigned int i;
	372
	373	/*
	374	* We have to relocate the test table manually
	375	*/
	376	for (i = 0; i < post_list_size; i++) {
	377	ulong addr;
	378	struct post_test *test = post_list + i;
	379
	380	if (test->name) {
	381	addr = (ulong) (test->name) + gd->reloc_off;
	382	test->name = (char *)addr;
	383	}
	384
	385	if (test->cmd) {
	386	addr = (ulong) (test->cmd) + gd->reloc_off;
	387	test->cmd = (char *)addr;
	388	}
	389
	390	if (test->desc) {
	391	addr = (ulong) (test->desc) + gd->reloc_off;
	392	test->desc = (char *)addr;
	393	}
	394
	395	if (test->test) {
	396	addr = (ulong) (test->test) + gd->reloc_off;
	397	test->test = (int (*)(int flags))addr;
	398	}
	399
	400	if (test->init_f) {
	401	addr = (ulong) (test->init_f) + gd->reloc_off;
	402	test->init_f = (int (*)(void))addr;
	403	}
	404
	405	if (test->reloc) {
	406	addr = (ulong) (test->reloc) + gd->reloc_off;
	407	test->reloc = (void (*)(void))addr;
	408
	409	test->reloc();
	410	}
	411	}
	412	}
	413
	414	/*
	415	* Some tests (e.g. SYSMON) need the time when post_init_f started,
	416	* but we cannot use get_timer() at this point.
	417	*
	418	* On PowerPC we implement it using the timebase register.
	419	*/
	420	unsigned long post_time_ms(unsigned long base)
	421	{
6d0f6bcf	422	return (unsigned long)get_ticks() / (get_tbclk() / CONFIG_SYS_HZ) - base;
3f0606ad AL	423	}
	424
	425	#endif /* CONFIG_POST */