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dm8148 nandflash启动时无反应



你好,请问下我将uboot.min.nand和uboot.bin文件烧录到nandflash中(通过SD卡启动,在uboot层向nandflsha烧录的,并且显示烧录OK),并设置为nand启动方式, ecc校验选择bch8,上电后无反应,ccc都不打印。  如下是所连接的nandflash的信息,rdk版本是ipnc_3.8