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Am335x, 在uboot下,使用mw向DRAM中写入数据,写完用md查看可以看到所写的数据。但输入reset命令后,再到uboot中,md查看,DRAM之前被写的数据已经丢失。uboot下的reset是warm reset,为什么会导致DRAM的数据丢失?
是mw写的数据实际并没有写到DRAM中吗?