Hi Marek, > Dear Tom Rini, > > > On Fri, Aug 17, 2012 at 05:49:53PM +0200, Lukasz Majewski wrote: > > > Hi Aneesh, > > > > > > I've enabled the L2 cache for Trats board. Please find results > > > from performance tests. > > > The test function as well as my way for enabling L2 are attached > > > to this e-mail. > > > > [snip] > > > > > Have you had similar results with OMAP? > > > Do you do more configuration when enabling the L2 at OMAP? > > > > At least on some parts, it's similar here. The normal sequence of > > operations is loading a relatively small payload (kernel, maybe > > device tree) from storage and then booting it (which turns off L2 > > anyways). This is why I was willing to disable DCACHE as a USB > > workaround, the common use-case doesn't see a great deal of help > > from dcache being on. > > I saw some pretty significant perf. boost with L1, I was planning to > check L2 on mx6q, but I'm not sure if it's worth it anymore. > > Best regards, > Marek Vasut
I can agree, that enabling L1 provides significant performance boost. In our case, enabling L2 gives very little boost. Please try L2 on mx and share the results. -- Best regards, Lukasz Majewski Samsung Poland R&D Center | Linux Platform Group _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot