If the hardware watchdog detects a voltage error, the watchdog sets
GPIO62 to low. The watchdog POST has to detect this low level.
Signed-off-by: Sascha Laue <[email protected]>
Signed-off-by: Wolfgang Denk <[email protected]>
int sysmon1_post_test(int flags)
{
- if (gpio_read_in_bit(CFG_GPIO_SYSMON_STATUS)) {
- /* 3.1. GPIO62 is low
+ if (gpio_read_in_bit(CFG_GPIO_SYSMON_STATUS) == 0) {
+ /*
+ * 3.1. GPIO62 is low
* Assuming system voltage failure.
*/
post_log("Abnormal voltage detected (GPIO62)\n");