On Mon, Mar 12, 2007 at 08:00:58PM -0500, Andrew Dyer wrote: > I just looked it up. > > Section 2.4.5 of the Alchemy Au1550 datasheet says that a SYNC is > guaranteed to commit the write buffer to memory. > > Whoever is looking at this should also pay attention to the CCA bits in > the TLB mapping the registers (Section 2.3.6 of the manual) or the fixed > regions (depending on the VA used) to make sure that merging and > gathering are turned off. MIPS does does no merging / gathering for uncached accesses. KSEG1 addresses are uncached. Ralf
