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This patch adds a new interface to allow for making an ARI call that
will enable LATIC for the chip verification software harness.

LATIC allows some MINI ISMs to be read in the CCPLEX. The ISMs are
used for various measurements relevant ot particular locations in
Silicon. They are small counters which can be polled to determine
how fast a particular location in the Silicon is.

Original change by Guy Sotomayor <gsotomayor@nvidia.com>

Change-Id: Ifb49b8863a009d4cdd5d1ba38a23b5374500a4b3
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

The CPU Complex (CCPLEX) Power Manager (Denver MCE, or DMCE) is an
offload engine for BPMP to do voltage related sequencing and for
hardware requests to be handled in a better latency than BPMP-firmware.

There are two interfaces to the MCEs - Abstract Request Interface (ARI)
and the traditional NVGINDEX/NVGDATA interface.

MCE supports various commands which can be used by CPUs - ARM as well
as Denver, for power management and reset functionality. Since the
linux kernel is the master for all these scenarios, each MCE command
can be issued by a corresponding SMC. These SMCs have been moved to
SiP SMC space as they are specific to the Tegra186 SoC.

Change-Id: I67bee83d2289a8ab63bc5556e5744e5043803e51
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>