[PATCH V3 3/6] arm: cache-l2x0: add support for Aurora L2 cache ctrl

[Will Deacon]

On Wed, Sep 05, 2012 at 02:44:34PM +0100, Gregory CLEMENT wrote:
> Aurora Cache Controller was designed to be compatible with the ARM L2
> Cache Controller. It comes with some difference or improvement such
> as:
> - no cache id part number available through hardware (need to get it
>   by the DT).
> - always write through mode available.
> - two flavors of the controller outer cache and system cache (meaning
>   maintenance operations on L1 are broadcasted to the L2 and L2
>   performs the same operation).
> - in outer cache mode, the cache maintenance operations are improved and
>   can be done on a range inside a page and are not limited to a cache
>   line.
> 
> Signed-off-by: Gregory CLEMENT <gregory.clement at free-electrons.com>
> Signed-off-by: Yehuda Yitschak <yehuday at marvell.com>
> Tested-and-reviewed-by: Lior Amsalem <alior at marvell.com>
> 
> Cc: Barry Song <21cnbao at gmail.com>
> Cc: Will Deacon <will.deacon at arm.com>
> Cc: Santosh Shilimkar <santosh.shilimkar at ti.com>
> Cc: Rob Herring <rob.herring at calxeda.com>
> Cc: Arnd Bergmann <arnd at arndb.de>
> Cc: Olof Johansson <olof at lixom.net>
> ---
>  arch/arm/include/asm/hardware/cache-aurora-l2.h |   55 ++++++
>  arch/arm/include/asm/hardware/cache-l2x0.h      |    4 +
>  arch/arm/mm/cache-l2x0.c                        |  237 +++++++++++++++++++++--
>  3 files changed, 283 insertions(+), 13 deletions(-)
>  create mode 100644 arch/arm/include/asm/hardware/cache-aurora-l2.h

This is looking pretty good now:

Reviewed-by: Will Deacon <will.deacon at arm.com>

Cheers,

Will