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【硬件交流】
ROC-RK3399-PC Plus突然上电启动失败
发表于 2021-12-31 11:54:24
浏览：2221
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回复：3
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开发板一直是emmc启动使用的，使用的固件版本是：ROC-RK3399-PC-PLUS-UBUNTU-20.04_DESKTOP-GPT-20210915-1157
今天上电突然启动不了，查看串口输出如下信息，一直停在channel 1 training pass! 试过sd卡启动，也是同样的问题，请技术人员帮看看，目前是什么问题，可能是什么原因造成的？非常感谢！
串口日志如下：
▒▒DDR Version 1.26 20210628
In
channel 0
CS = 0
MR0=0x18
MR4=0x1
MR5=0x1
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
CS = 1
MR0=0x18
MR4=0x1
MR5=0x1
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 1
CS = 0
MR0=0x18
MR4=0x1
MR5=0x1
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
CS = 1
MR0=0x18
MR4=0x1
MR5=0x1
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 0 training pass!
channel 1 training pass!
change freq to 416MHz 0,1
Channel 0: LPDDR4,416MHz
W FF != R
Cap error!
Channel 1: LPDDR4,416MHz
Bus Width=32 Col=10 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=2048MB
no stride
channel 1
CS = 0
MR0=0x18
MR4=0x1
MR5=0x1
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
CS = 1
MR0=0x18
MR4=0x1
MR5=0x1
MR8=0x8
MR12=0x72
MR14=0x72
MR18=0x0
MR19=0x0
MR24=0x8
MR25=0x0
channel 1 training pass!
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