Hello Thomas, On Mon, 19 Oct 2015 16:18:06 +0800, Thomas Chou <tho...@wytron.com.tw> wrote: > Hi Albert, > > On 10/19/2015 01:52 PM, Albert ARIBAUD wrote: > > Not sure I'm getting this, so for my own education: what prevents from > > invalidating the cache, or IOW, what would happen if it was invalidated > > at this point rather than flushed? > > This is a hardware limitation. The nios2 cpu with 4 bytes dcache line > size does not support the initda instruction, which is needed to > invalidate dcache. > > Recently we added a check, if the nios2 cpu support initda instruction, > then we use invalidate_dcache, otherwise we use flush_dcache.
Now I understand. Thanks! > Best regards, > Thomas Amicalement, -- Albert. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
