[people/ms/u-boot.git] / lib_blackfin / 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

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;
}
Commit	Line	Data
3f0606ad AL	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
	29	#ifdef CONFIG_LOGBUFFER
	30	#include <logbuff.h>
	31	#endif
	32
1218abf1 WD	33	DECLARE_GLOBAL_DATA_PTR;
1218abf1 WD	34
3f0606ad AL	35	#define POST_MAX_NUMBER 32
	36
	37	#define BOOTMODE_MAGIC 0xDEAD0000
	38
	39	int post_init_f(void)
	40	{
3f0606ad AL	41	int res = 0;
	42	unsigned int i;
	43
	44	for (i = 0; i < post_list_size; i++) {
	45	struct post_test *test = post_list + i;
	46
	47	if (test->init_f && test->init_f()) {
	48	res = -1;
	49	}
	50	}
	51
	52	gd->post_init_f_time = post_time_ms(0);
	53	if (!gd->post_init_f_time) {
	54	printf
	55	("post/post.c: post_time_ms seems not to be implemented\n");
	56	}
	57
	58	return res;
	59	}
	60
	61	void post_bootmode_init(void)
	62	{
3f0606ad AL	63	int bootmode = post_bootmode_get(0);
	64	int newword;
	65
	66	if (post_hotkeys_pressed() && !(bootmode & POST_POWERTEST)) {
	67	newword = BOOTMODE_MAGIC \| POST_SLOWTEST;
	68	} else if (bootmode == 0) {
	69	newword = BOOTMODE_MAGIC \| POST_POWERON;
	70	} else if (bootmode == POST_POWERON \|\| bootmode == POST_SLOWTEST) {
	71	newword = BOOTMODE_MAGIC \| POST_NORMAL;
	72	} else {
	73	/* Use old value */
	74	newword = post_word_load() & ~POST_COLDBOOT;
	75	}
	76
	77	if (bootmode == 0) {
	78	/* We are booting after power-on */
	79	newword \|= POST_COLDBOOT;
	80	}
	81
	82	post_word_store(newword);
	83
	84	/* Reset activity record */
	85	gd->post_log_word = 0;
	86	}
	87
	88	int post_bootmode_get(unsigned int *last_test)
	89	{
	90	unsigned long word = post_word_load();
	91	int bootmode;
	92
	93	if ((word & 0xFFFF0000) != BOOTMODE_MAGIC) {
	94	return 0;
	95	}
	96
	97	bootmode = word & 0x7F;
	98
	99	if (last_test && (bootmode & POST_POWERTEST)) {
	100	*last_test = (word >> 8) & 0xFF;
	101	}
	102
	103	return bootmode;
	104	}
	105
	106	/* POST tests run before relocation only mark status bits .... */
	107	static void post_log_mark_start(unsigned long testid)
	108	{
3f0606ad AL	109	gd->post_log_word \|= (testid) << 16;
	110	}
	111
	112	static void post_log_mark_succ(unsigned long testid)
	113	{
3f0606ad AL	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	{
3f0606ad AL	120	int j;
	121
	122	for (j = 0; j < post_list_size; j++) {
	123	if (gd->post_log_word & (post_list[j].testid << 16)) {
	124	post_log("POST %s ", post_list[j].cmd);
	125	if (gd->post_log_word & post_list[j].testid)
	126	post_log("PASSED\n");
	127	else {
	128	post_log("FAILED\n");
fad63407	129	show_boot_progress (-31);
3f0606ad AL	130	}
	131	}
	132	}
	133	}
	134
	135	static void post_bootmode_test_on(unsigned int last_test)
	136	{
	137	unsigned long word = post_word_load();
	138
	139	word \|= POST_POWERTEST;
	140
	141	word \|= (last_test & 0xFF) << 8;
	142
	143	post_word_store(word);
	144	}
	145
	146	static void post_bootmode_test_off(void)
	147	{
	148	unsigned long word = post_word_load();
	149
	150	word &= ~POST_POWERTEST;
	151
	152	post_word_store(word);
	153	}
	154
	155	static void post_get_flags(int *test_flags)
	156	{
	157	int flag[] = { POST_POWERON, POST_NORMAL, POST_SLOWTEST };
	158	char *var[] = { "post_poweron", "post_normal", "post_slowtest" };
	159	int varnum = sizeof(var) / sizeof(var[0]);
	160	char list[128]; /* long enough for POST list */
	161	char *name;
	162	char *s;
	163	int last;
	164	int i, j;
	165
	166	for (j = 0; j < post_list_size; j++) {
	167	test_flags[j] = post_list[j].flags;
	168	}
	169
	170	for (i = 0; i < varnum; i++) {
	171	if (getenv_r(var[i], list, sizeof(list)) <= 0)
	172	continue;
	173
	174	for (j = 0; j < post_list_size; j++) {
	175	test_flags[j] &= ~flag[i];
	176	}
	177
	178	last = 0;
	179	name = list;
	180	while (!last) {
	181	while (name && name == ' ')
	182	name++;
	183	if (*name == 0)
	184	break;
	185	s = name + 1;
	186	while (s && s != ' ')
	187	s++;
	188	if (*s == 0)
	189	last = 1;
	190	else
	191	*s = 0;
	192
	193	for (j = 0; j < post_list_size; j++) {
194	if (strcmp(post_list[j].cmd, name) == 0) {
195	test_flags[j] \|= flag[i];
196	break;
197	}
198	}
199
200	if (j == post_list_size) {
201	printf("No such test: %s\n", name);
202	}
203
204	name = s + 1;
205	}
206	}
207
208	for (j = 0; j < post_list_size; j++) {
209	if (test_flags[j] & POST_POWERON) {
210	test_flags[j] \|= POST_SLOWTEST;
211	}
212	}
213	}
214
215	static int post_run_single(struct post_test *test,
216	int test_flags, int flags, unsigned int i)
217	{
218	if ((flags & test_flags & POST_ALWAYS) &&
219	(flags & test_flags & POST_MEM)) {
220	WATCHDOG_RESET();
221
222	if (!(flags & POST_REBOOT)) {
223	if ((test_flags & POST_REBOOT)
224	&& !(flags & POST_MANUAL)) {
225	post_bootmode_test_on(i);
226	}
227
228	if (test_flags & POST_PREREL)
229	post_log_mark_start(test->testid);
230	else
231	post_log("POST %s ", test->cmd);
232	}
233
234	if (test_flags & POST_PREREL) {
235	if ((*test->test) (flags) == 0)
236	post_log_mark_succ(test->testid);
237	} else {
238	if ((*test->test) (flags) != 0) {
239	post_log("FAILED\n");
fad63407	240	show_boot_progress (-32);
3f0606ad AL	241	} else
	242	post_log("PASSED\n");
	243	}
	244
	245	if ((test_flags & POST_REBOOT) && !(flags & POST_MANUAL)) {
	246	post_bootmode_test_off();
	247	}
	248
	249	return 0;
	250	} else {
	251	return -1;
	252	}
	253	}
	254
	255	int post_run(char *name, int flags)
	256	{
	257	unsigned int i;
	258	int test_flags[POST_MAX_NUMBER];
	259
	260	post_get_flags(test_flags);
	261
	262	if (name == NULL) {
	263	unsigned int last;
	264
	265	if (post_bootmode_get(&last) & POST_POWERTEST) {
	266	if (last < post_list_size &&
	267	(flags & test_flags[last] & POST_ALWAYS) &&
	268	(flags & test_flags[last] & POST_MEM)) {
	269
	270	post_run_single(post_list + last,
	271	test_flags[last],
	272	flags \| POST_REBOOT, last);
	273
	274	for (i = last + 1; i < post_list_size; i++) {
	275	post_run_single(post_list + i,
	276	test_flags[i],
	277	flags, i);
	278	}
	279	}
	280	} else {
	281	for (i = 0; i < post_list_size; i++) {
	282	post_run_single(post_list + i,
	283	test_flags[i], flags, i);
	284	}
	285	}
	286
	287	return 0;
	288	} else {
	289	for (i = 0; i < post_list_size; i++) {
	290	if (strcmp(post_list[i].cmd, name) == 0)
	291	break;
	292	}
	293
	294	if (i < post_list_size) {
	295	return post_run_single(post_list + i,
	296	test_flags[i], flags, i);
	297	} else {
	298	return -1;
	299	}
	300	}
	301	}
	302
	303	static int post_info_single(struct post_test *test, int full)
	304	{
305	if (test->flags & POST_MANUAL) {
306	if (full)
307	printf("%s - %s\n"
308	" %s\n", test->cmd, test->name, test->desc);
309	else
310	printf(" %-15s - %s\n", test->cmd, test->name);
311
312	return 0;
313	} else {
314	return -1;
315	}
316	}
317
318	int post_info(char *name)
319	{
320	unsigned int i;
321
322	if (name == NULL) {
323	for (i = 0; i < post_list_size; i++) {
324	post_info_single(post_list + i, 0);
325	}
326
327	return 0;
328	} else {
329	for (i = 0; i < post_list_size; i++) {
330	if (strcmp(post_list[i].cmd, name) == 0)
331	break;
332	}
333
334	if (i < post_list_size) {
335	return post_info_single(post_list + i, 1);
336	} else {
337	return -1;
338	}
339	}
340	}
341
342	int post_log(char *format, ...)
343	{
344	va_list args;
345	uint i;
6d0f6bcf	346	char printbuffer[CONFIG_SYS_PBSIZE];
3f0606ad AL	347
	348	va_start(args, format);
	349
	350	/* For this to work, printbuffer must be larger than
	351	* anything we ever want to print.
	352	*/
	353	i = vsprintf(printbuffer, format, args);
	354	va_end(args);
	355
	356	#ifdef CONFIG_LOGBUFFER
	357	/* Send to the logbuffer */
	358	logbuff_log(printbuffer);
	359	#else
	360	/* Send to the stdout file */
	361	puts(printbuffer);
	362	#endif
	363
	364	return 0;
	365	}
	366
	367	void post_reloc(void)
	368	{
3f0606ad AL	369	unsigned int i;
	370
	371	/*
	372	* We have to relocate the test table manually
	373	*/
	374	for (i = 0; i < post_list_size; i++) {
	375	ulong addr;
	376	struct post_test *test = post_list + i;
	377
	378	if (test->name) {
	379	addr = (ulong) (test->name) + gd->reloc_off;
	380	test->name = (char *)addr;
	381	}
	382
	383	if (test->cmd) {
	384	addr = (ulong) (test->cmd) + gd->reloc_off;
	385	test->cmd = (char *)addr;
	386	}
	387
	388	if (test->desc) {
	389	addr = (ulong) (test->desc) + gd->reloc_off;
	390	test->desc = (char *)addr;
	391	}
	392
	393	if (test->test) {
	394	addr = (ulong) (test->test) + gd->reloc_off;
	395	test->test = (int (*)(int flags))addr;
	396	}
	397
	398	if (test->init_f) {
	399	addr = (ulong) (test->init_f) + gd->reloc_off;
	400	test->init_f = (int (*)(void))addr;
	401	}
	402
	403	if (test->reloc) {
	404	addr = (ulong) (test->reloc) + gd->reloc_off;
	405	test->reloc = (void (*)(void))addr;
	406
	407	test->reloc();
	408	}
	409	}
	410	}
	411
	412	/*
	413	* Some tests (e.g. SYSMON) need the time when post_init_f started,
	414	* but we cannot use get_timer() at this point.
	415	*
	416	* On PowerPC we implement it using the timebase register.
	417	*/
	418	unsigned long post_time_ms(unsigned long base)
	419	{
6d0f6bcf	420	return (unsigned long)get_ticks() / (get_tbclk() / CONFIG_SYS_HZ) - base;
3f0606ad	421	}