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AM335X BOOT 请教



请教TI工程师几个问题,麻烦帮忙解答一下,谢谢!

需求要求使用AM335X处理器且支持Nandflash(8-Bit)、EMMC、SD卡启动。

1、将SD卡挂在MMC0接口,将EMMC(8-Bit data)挂在MMC1接口上,按照文档要求,MMC仅支持4-Bit启动,请问用8-Bit EMMC,在启动的时候采用4-Bit Boot,启动后EMMC采用8-Bit是否可行?

2、由于EMMC占用了GPMC数据总线的低8位,将Nandflash挂在GPMC数据总线的高8位是否可行?