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J721EXSOMXEVM: 引导启动后改emmc模式不插sd卡,报错MMC: no card present mmc_init: -123, time 2002

Part Number: J721EXSOMXEVM


您好,我按照dfu的方法进行烧录

烧录一切正常,我也按照要求将sw8,9拨码变成了1000_0000 , 0100_000 ,即文档所说的eMMC(boot0)模式

但是当我把sd卡拔下就无法启动,我插上sd卡能够正常启动

这是我拔下sd卡后的打印