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

2010-10-21 Thread Reinhard Meyer
Hi, But with DCACHE ON, the USB Stick is not found - maybe a timing problem: TOP9000 dc off Data (writethrough) Cache is OFF TOP9000 usb reset (Re)start USB... USB: scanning bus for devices... 2 USB Device(s) found scanning bus for storage devices... 1 Storage Device(s) found

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

2010-10-21 Thread 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.