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J6 双核烧录android 软件不成功的问题

新项目的出来的 A sample 的板,采用 SOC  DRA 746 ,平台 是 G5  android , 这个项目的硬件 和其它项目的硬件差异不大 ,但通过SD 卡烧录android 的镜像时候,都无法烧录成功 。通过trace信息如下,这种现象一般从哪些方面查找原因呢?

U-Boot SPL 2014.07-00006-g58ec5d1 (Jun 06 2018 - 17:11:48)
DRA752-GP ES2.0
Using default environment

serial# not set, setting...
SF: Unsupported flash IDs: manuf 00, jedec 0000, ext_jedec 0000
SPI probe failed.
### ERROR ### Please RESET the board ###