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| author | Alexey Brodkin <Alexey.Brodkin@synopsys.com> | 2015-12-14 17:15:13 +0300 |
|---|---|---|
| committer | Alexey Brodkin <abrodkin@synopsys.com> | 2016-02-20 11:20:05 +0300 |
| commit | db6ce2312dcae87619136457d1f9df56789f630a (patch) | |
| tree | 1e894ccb3d9070f09d95a2930ea8dc3a67798ad3 /include/ata.h | |
| parent | 379b3280b30c4aad5ff0fdf1cd6431c5fa6861b1 (diff) | |
| download | u-boot-imx-db6ce2312dcae87619136457d1f9df56789f630a.zip u-boot-imx-db6ce2312dcae87619136457d1f9df56789f630a.tar.gz u-boot-imx-db6ce2312dcae87619136457d1f9df56789f630a.tar.bz2 | |
arc: cache - utilize IO coherency (AKA IOC) engine
With release of ARC HS38 v2.1 new IO coherency engine could be built-in
ARC core. This hardware module ensures coherency between DMA-ed data
from peripherals and L2 cache.
With L2 and IOC enabled there's no overhead for L2 cache manual
maintenance which results in significantly improved IO bandwidth.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Diffstat (limited to 'include/ata.h')
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