Hi3516cv200下载完程序后不能加载kernel

各位大牛，接触海思不久，最近用uart下载完程序后，提示如下，有朋友知道如何解决吗？
System startup


U-Boot 2010.06 (Sep 18 2017 - 18:35:26)

Check Flash Memory Controller v100 ... Found
SPI Nor(cs 0) ID: 0xef 0x40 0x18
Block:64KB Chip:16MB Name:"W25Q128(B/F)V"
SPI Nor total size: 16MB
Cannot found a valid SPI Nand Device
MMC:   
EMMC/MMC/SD controller initialization.
Card did not respond to voltage select!
No EMMC/MMC/SD device found !
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Hit any key to stop autoboot:  0
Wrong Image Format for bootm command
ERROR: can't get kernel image!
hisilicon #
hisilicon #
hisilicon #