Dear Aneesh Am 18.07.2011 18:16, schrieb Aneesh V: > commit c2dd0d45540397704de9b13287417d21049d34c6 > armv7: integrate cache maintenance support > > In this patch I added a call to dcache_enable() at the beginning of > board_init_r() for ARM(i.e. as soon as relocation is over). As a result > D-cache will be enabled for all ARM platforms now unless > CONFIG_SYS_DCACHE_OFF is set.
Is this really a good idea? This will break a couple of boards using non-cache-aware drivers. And there are a couple of them in u-boot. I think d-cache should be opt-in rather then opt-out as long as there are any drivers which didn't handle cached memory regions correct. i-cache is much less problematic and can be enabled by default. If d-cache will be enabled by default on ARM I think I have to send a patch for one of my boards :-) Regards Matthias _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
