双通道8G内存UBOOT显示异常

DDR Version 1.22 20190506
In
Channel 0: LPDDR3, 800MHz
CS = 0
MR0=0x58
MR1=0x58
MR2=0x58
MR3=0x58
MR4=0x3
MR5=0x1
MR6=0x5
MR7=0x0
MR8=0x5F
MR9=0x5F
MR10=0x5F
MR11=0x5F
MR12=0x5F
MR13=0x5F
MR14=0x5F
MR15=0x5F
MR16=0x5F
CS = 1
MR0=0x58
MR1=0x58
MR2=0x58
MR3=0x58
MR4=0x2
MR5=0x1
MR6=0x5
MR7=0x0
MR8=0x5F
MR9=0x5F
MR10=0x5F
MR11=0x5F
MR12=0x5F
MR13=0x5F
MR14=0x5F
MR15=0x5F
MR16=0x5F
Bus Width=32 Col=11 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=4096MB
Channel 1: LPDDR3, 800MHz
CS = 0
MR0=0x58
MR1=0x58
MR2=0x58
MR3=0x58
MR4=0x2
MR5=0x1
MR6=0x5
MR7=0x0
MR8=0x5F
MR9=0x5F
MR10=0x5F
MR11=0x5F
MR12=0x5F
MR13=0x5F
MR14=0x5F
MR15=0x5F
MR16=0x5F
CS = 1
MR0=0x58
MR1=0x58
MR2=0x58
MR3=0x58
MR4=0x2
MR5=0x1
MR6=0x5
MR7=0x0
MR8=0x5F
MR9=0x5F
MR10=0x5F
MR11=0x5F
MR12=0x5F
MR13=0x5F
MR14=0x5F
MR15=0x5F
MR16=0x5F
Bus Width=32 Col=11 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=4096MB

以上是开机内存检测信息，双通道正常。

U-Boot 2017.09-g6999767 (Oct 08 2019 - 23:24:18 -0700)
Model: Rockchip RK3399 Evaluation Board
PreSerial: 2
DRAM:  3.8 GiB
Sysmem: init
Relocation Offset is: f5bd9000
Using default environment

DRAM:  3.8 GiB，与检测到的内存不符，不知道怎么解决？谢谢

备注：Channel 0:焊接 4GB内存芯片，Channel 1 不焊接，检测正常（DRAM:  3.8 GiB）

RK3399PRO平台，