On Tue, May 12, 2015 at 04:46:49AM +0100, Siva Durga Prasad Paladugu wrote: > Hi Mark, > > > > -----Original Message----- > > From: Mark Rutland [mailto:mark.rutl...@arm.com] > > Sent: Wednesday, April 29, 2015 10:00 PM > > To: Michal Simek > > Cc: u-boot@lists.denx.de; Albert Aribaud; Marek Vasut; Tom Rini; Siva Durga > > Prasad Paladugu; Varun Sethi; Thierry Reding; Arnab Basu; York Sun > > Subject: Re: [U-Boot] [PATCH v2] armv8: caches: Added routine to set non > > cacheable region > > > > Hi Michal, > > > > On Wed, Apr 29, 2015 at 09:35:35AM +0100, Michal Simek wrote: > > > Added routine mmu_set_region_dcache_behaviour() to set a particular > > > region as non cacheable. > > > > What's the intended use of this? > This is intended to mark a dynamically allocated region as non-cacheable > region in runtime.
Sure, but why does that region need to be non-cacheable? I assume you want to give the region to some device? Do you ever hand the memory back (and hence need to make it cacehable again)? > There is same kind of routine for armv7 but not for armv8. Do you think that > the same functionality to be addressed for armv8 too? > > As per below comment, you are correct, this looks like to be more board > specific. While the address of the tables might be board-specific I'd imagine that the manipulation routines can be shared. Thanks, Mark. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
