On Tue, 8 Apr 2008 17:15:44 -0600 "Grant Likely" <[EMAIL PROTECTED]> wrote:
> On Tue, Apr 8, 2008 at 4:56 PM, Benjamin Herrenschmidt > <[EMAIL PROTECTED]> wrote: > > > > On Tue, 2008-04-08 at 15:53 -0700, John Bonesio wrote: > > > I was thinking it might be good to have the kernel initialize these > > > cache control registers in it's own start up code. Or perhaps this > > > could be done in the kernel's simple bootloader. We could probably put > > > this change in a Xilinx specific startup file, but this change doesn't > > > seem specific to Xilinx FPGA boards. > > > > The kernel's wrapper would be a good place to put that I suspect. That's > > the kind of thing that should be provided as a "library" function to be > > optionally called by platform code. Either in the wrapper or the main > > kernel platform code. > > Code is already queued up for 2.6.26 to do exactly this on ppc405 > virtex platforms. We can do the same thing for 440. Look at > virtex405-head.S in the following patch: > > http://patchwork.ozlabs.org/linuxppc/patch?person=486&id=17410 That patch is already in Paul's tree btw. As for 440, yes it might be good to init the cache registers in the wrapper. josh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
