SD卡启动问题

1，TQ335X的SD卡不能启动
me to use TQ3358 Board!
boot from SD card...
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
NAND read from offset 260000 failed -74
*** Warning - readenv() failed, using default environment
使用TQ335_boot工具制作后，产生MLO,再copy u-boot.bin,
但是是使用笔记本自带的SD卡读写，请问制作的有什么差别，是起始地址不同么，开始是比较什么。

从NAND启动也有这样的问题，
welcome to use TQ3358 Board!
boot from NAND...
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
Error: Bad compare! failed
NAND read from offset 260000 failed -74
*** Warning - readenv() failed, using default environmen

此情况下可以手动更新系统，采用key3进入，参考说明，更新系统后，仍然有Error: Bad compare! failed

需要SD读卡器，笔记本自带的会有问题的