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关于am5728 SDK SD卡启动时引脚复用问题

Other Parts Discussed in Thread: AM5728

你好:

我使用的硬件平台是am5728,软件平台是ti-processor-sdk-linux-am57xx-evm-03.03.00.04 

问题:

我在sdk的u-boot中修改了引脚复用,生成了MLO   U-BOOT.img   然后把这两个文件放在制作的SD卡中(替换制作的SD卡中的源文件),发现配置的引脚复用失效了,是不是通过SD卡启动会再次加载引脚复用文件呢?