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This patch adds flexibility to the code to initialise multiple SMMU
devices. The base address macro name has been changed to make it
explicit that we support multiple SMMUs.

Change-Id: Id4854fb010ebeb699512d79c769de24050c2ad69
Signed-off-by: Pritesh Raithatha <praithatha@nvidia.com>
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

This patch empowers the platforms to provide an array with the
registers that must be saved/restored across System Suspend.
Original-change-by: Pritesh Raithatha <praithatha@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

This patch empowers the platforms to provide the settings (e.g. stream ID,
security setting, transaction overrides) required by the Memory Controller
driver. This allows the platforms to program the Memory Controller as per
their needs and makes the driver scalable.
Original-change-by: Pritesh Raithatha <praithatha@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

This patch moves the smmu driver introduced by the Tegra186 port
to tegra/common so that future chips can (re)use it.

Change-Id: Ia44c7f2a62fb2d8869db3a44742a8c6b13c49036
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>