hello all
I am working on access files from USB disk . The u-boot has
implementing a mass storage operation with USB OHCI. I have added the
porting code. All things seems right except MMU.When
the MMU is closed,the result is right.But if I turn on the MMU,the returned
message is not right. I think maybe the MMU has affected USB host,even I
assigned HCCA in no-cached area.
What should I do?Does anybody can give me some suggestion?Thanks in
advance!
My Regards
zzwuyu
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