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;
}
}
#if 0/* not for arm */
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");
}
#endif
return res;
}
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;
}
int lwmon5_watchdog_post_test(int flags)
{
/* On each reset scratch register 1 should be tested,
* but first test GPIO62:
*/
if (!(flags & POST_MANUAL) && sysmon1_post_test(flags)) {
/* 3.1. GPIO62 is low
* Assuming system voltage failure.
*/
/* 3.1.1. Set scratch register 1 to 0x0000xxxx */
watchdog_magic_write(0);
/* 3.1.2. Mark test as failed due to voltage?! */
return 1;
}
if (watchdog_magic_read() != CONFIG_SYS_WATCHDOG_MAGIC) {
/* 3.2. Scratch register 1 differs from magic value 0x1248xxxx
* Assuming PowerOn
*/
int ints;
ulong base;
ulong time;
/* 3.2.1. Set magic value to scratch register */
watchdog_magic_write(CONFIG_SYS_WATCHDOG_MAGIC);
ints = disable_interrupts ();
/* 3.2.2. strobe watchdog once */
WATCHDOG_RESET();
out_be32((void *)CONFIG_SYS_WATCHDOG_TIME_ADDR, 0);
/* 3.2.3. save time of strobe in scratch register 2 */
base = post_time_ms (0);
/* 3.2.4. Wait for 150 ms (enough for reset to happen) */
while ((time = post_time_ms (base)) < 150)
out_be32((void *)CONFIG_SYS_WATCHDOG_TIME_ADDR, time);
if (ints)
enable_interrupts ();
/* 3.2.5. Reset didn't happen. - Set 0x0000xxxx
* into scratch register 1
*/
watchdog_magic_write(0);
/* 3.2.6. Mark test as failed. */
post_log("hw watchdog time : %u ms, failed ", time);
return 2;
} else {
/* 3.3. Scratch register matches magic value 0x1248xxxx
* Assume this is watchdog-initiated reset
*/
ulong time;
/* 3.3.1. So, the test succeed, save measured time to syslog. */
time = in_be32((void *)CONFIG_SYS_WATCHDOG_TIME_ADDR);
if (time > 90 ) { /* ms*/
post_log("hw watchdog time : %u ms, passed ", time);
/* 3.3.2. Set scratch register 1 to 0x0000xxxx */
watchdog_magic_write(0);
return 0;
} else {
/*test minimum watchdogtime */
post_log("hw watchdog time : %u ms, failed ", time);
return 2;
}
}
return -1;
}