RK3399板子起不来了,串口Log如下,麻烦版主看看是不是芯片坏了

DDR Version 1.07 20161103
In
Channel 0: DDR3, 666MHz
Bus Width=32 Col=10 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=2048MB
Channel 1: DDR3, 666MHz
Bus Width=32 Col=10 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=2048MB
256B stride
ch 0 ddrconfig = 0x101, ddrsize = 0x2020
ch 1 ddrconfig = 0x101, ddrsize = 0x2020
pmugrf_os_reg[2] = 0x3AA17AA1, stride = 0xD
OUT
DDR Version 1.09 20171117
In
soft reset

进maskrom,刷7.1的固件试试