Re: [U-Boot-Users] cfi_flash is now working with 64 bit port width

AFAIK CFI flash driver is used not only on PowerPC platforms so using PPC assembler is problematic. Probably a CFG_ option and proper #ifdefs are needed. The fact that mw.l worked can indicate that the problem is not only in single 64-bit cycle. Since writing 0x60606060 worked but 0x00600060 did not, I'd suspect that byte lanes on the data bus are swapped (quite common with 16-bit chips).