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大神们,帮解答下,EMIF(跑150M)上接上NAND FLASH(速率为123M的),在UBOOT上FLASH的读取速率只有1M/S,为什么?



1、大神们,帮解答下,EMIF(跑150M)上接上NAND FLASH(速率为123M的),在UBOOT上FLASH的读取速率只有1M/S,为什么?

2、我们想到RAMDISK文件系统,但在UBOOT下搬30M的文件系统到RAM花上30多秒,只有1M的速率;不达标,如何破;