[U-Boot] [PATCH] arc: add support for SLC (System Level Cache, AKA L2-cache)

[Alexey Brodkin]

On Tue, 2015-03-31 at 13:25 +0300, Alexey Brodkin wrote:
> ARCv2 cores may have built-in SLC (System Level Cache, AKA L2-cache).
> This change adds functions required for controlling SLC:
>  * slc_enable/disable
>  * slc_flush/invalidate
> 
> For now we just disable SLC to escape DMA coherency issues until either:
>  * SLC flush/invalidate is supported in DMA APIin U-Boot
>  * hardware DMA coherency is implemented (that might be board specific
>    so probably we'll need to have a separate Kconfig option for
>    controlling SLC explicitly)
> 
> Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>

Applied, thanks.

-Alexey