在U-BOOT启动阶段，显示如下串口信息后就停止了。
U-Boot SPL 2011.09 (Apr 02 2015 - 15:00:57)
Texas Instruments Revision detection unimplemented
Could not probe the EEPROM; something fundamentally wrong on the I2C bus.
read_eeprom() failure
OMAP SD/MMC: 0
mmc_send_cmd: timedout waiting for cmddis!
** Can't read from device 0 **
spl: fat register err - -1
### ERROR ### Please RESET the board ###
更换过T卡，检查T卡电路也没有断路
请问可能是什么方面的问题？谢谢！
