IMX6Q使用USB烧写镜像启动报错

问题描述：
IMX6Q 使用USB 烧写镜像成功，启动报以下错误

1. ..........
   
2. I2C: ready
   
3. DRAM: 2 GiB
   
4. MMC: FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
   
5. Display: PANEL_LCD (1024x600)
   
6. In: serial
   
7. Out: serial
   
8. Err: serial
   
9. switch to partitions #0, OK
   
10. mmc2(part 0) is current device
    
11. check_and_clean: reg 0, flag_set 0
    
12. Fastboot: Normal
    
13. flash target is MMC:2
    
14. Bad partition index:5 for partition:system
    
15. Bad partition index:4 for partition:data
    
16. Net: FEC [PRIME]
    
17. reading logo.bmp
    
18. ** Unable to read file logo.bmp **
    
19. There is no valid bmp file at the given address
    
20. Normal Boot
    
21. Date: 2010-01-02 (Saturday) Time: 7:45:12
    
22. Hit any key to stop autoboot: 0
    
23. reading boot.img
    
24. ** Unable to read file boot.img **
    
25. boota 0x12000000
    
26. boota: bad boot image magic
    
27. =>

复制代码

解决方案：
这是由于USB 烧录工具没有擦除uboot 环境导致，可以最新的烧录工具，或者在uboot 命令行中执行
=>env default -a
=>saveenv
后启动。