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AM335x emmc uboot偶尔起不来?



用bbback 的板子,在uboot里面做点灯处理,发现大多数启动uboot都能起来。

但是偶尔会出现板子电源灯是亮的,但是uboot没有起来。

猜想:uboot有问题,ROM启动代码异常退出。

感觉第一种原因的概率较小。335x ROM代码没有开放。

请教高手解决问题.