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使用dm8168,进行NAND加载U-boot,固化完成后掉电重启,发现并没有从NAND加载?



使用DM8168,板子上只做了NAND,想通过NAND进程uboot加载,boot configuration pins 板子为10010。

使用out执行文件对NAND写入u-boot完成后,掉电重启后,读0x4031 d040寄存器,发现读数为0x102e,查看tracing vectors得知 芯片以peripheral  Boot启动了,不是以memory boot启动,请问该怎么查找问题,怎样解决?