I have looked into data sheet, there is no specific information.
But the serial logs show
[7.409625 0.000108] Format: Log Type - Time(microsec) - Message - Optional Info
[7.454768 0.045143] Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic
It always shows Power On Reset. But is there a way to determine other reboot reasons.
If some one using ipq40xx, let me know if this is possible. Thanks.