Hello Linus, Linus Walleij wrote: > On Thu, Jul 14, 2011 at 1:39 PM, Wolfgang Denk <w...@denx.de> wrote: > >> Sorry, but again I have to point out that I really dislike papering >> over existing bugs. If the disable D-cache in bootm does not work, >> _this_ should be analyzed and fixed instead of globally disabling he >> data cache. > > No problem, I didn't label it as RFC since what it does is actually fix a > regression. > > At one point U-boot was working on the Integrator and now > it doesn't, it seems commit 880eff5cfb9df6f0855f4e48affd349ca64692e9 > "ARM: cp15: setup mmu and enable dcache" is causing it. > > Heiko, Alessandro, do you have any hints on how to go about flushing > and disabling the D-cache in bootm for ARM920T? It doesn't seem to > work on this ARM CPU chip in its current form...
Hmm.. trying bootm with actual u-boot on a davinci (arm926ejs) based board, there I couldn;t use the Davinci-EMAC (if I disable the dcache it works ...) Seems above commit introduced problems for other arm architectures, drivers, ... Hmm... if we globally always enable the dcache, we have a lot of more drivers to fix (I think) ... bye, Heiko -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
