On Tue, 2008-03-18 at 14:36 +0100, Stefan Roese wrote: > This patch adds support for the 256k L2 cache found on some IBM/AMCC > 4xx PPC's. It introduces a common 4xx SoC file (sysdev/ppc4xx_soc.c) > which currently "only" adds the L2 cache init code. Other common 4xx > stuff can be added later here. > > The L2 cache handling code is just a copy of Eugene's code in arch/ppc > with small modifications. > > Tested on AMCC Taishan 440GX and Canyonlands 460EX. > > Signed-off-by: Stefan Roese <[EMAIL PROTECTED]>
It's my understanding that on some 44x platforms, the l2 needs to be explicitely invalidated on DMAs. Do we know more about that ? I think it depends on something like the number of masters on the PLB4 or so. I don't remember the details. Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev