[U-Boot] AT91: USB and DCACHE issue (was: ELF_RELOC causes strange I-cache issues)

[Stefan Roese]

On Thursday 21 October 2010 13:22:10 Reinhard Meyer wrote:
> > Correct. Note that the EHCI driver already supports such a mode with
> > d-cache enabled. You need to set CONFIG_EHCI_DCACHE to enable these
> > cache handling functions.
> 
> AT91 uses OHCI.
> As far as I can tell there is no cache code in it.
> And I am not sure whether the USB RAM is cache inhibited.
> Do any other architectures work with DCACHE and OHCI?

No, the OHCI code has no d-cache support right now. This needs to be added 
when used with d-cache enabled.

Cheers,
Stefan

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