On 14/01/14 16:02, Lukasz Majewski wrote: > Disable L2 caches for Trats and Trats2 devices. > > It turns out that for data downloading with thordown command L2 cache > disablement brings a significant speed improvement. > > rootfs - 400 MiB: > - L2 cache enabled: 2.69 MiB/s > - L2 cache disabled: 5.56 MiB/s > > Such improvement is possible due to reduction of the need to invalidate > redundant data, which resides in L2 cache. > > Since the sent USB request size at once is 512B (L1 - 32 KiB in total) - > one can be quite confident that it is already available in L1 and L2 can > be disabled. > > Change-Id: I911ea18075526f7e8295c30dfcf7a658ebc4e53b > Signed-off-by: Lukasz Majewski <l.majew...@samsung.com> > --- > include/configs/trats.h | 1 + > include/configs/trats2.h | 1 + > 2 files changed, 2 insertions(+) >
Acked-by: Minkyu Kang <mk7.k...@samsung.com> Thanks, Minkyu Kang. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
