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The MT bit in MPIDR is always set for SGI platforms and so the
core position calculation code is updated to take into account
the thread affinity value as well.

Change-Id: I7b2a52707f607dc3859c6bbcd2b145b7987cb4ed
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
Signed-off-by: Vishwanatha HG <vishwanatha.hg@arm.com>

Instead of instantiating a local copy of GICv3 driver data for SGI
platforms, reuse the existing instance of GICv3 driver data available
in the arm common platform code.

Change-Id: If6f38e15d1f0e20cea96fff98091da300015d295
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
Signed-off-by: Vishwanatha HG <vishwanatha.hg@arm.com>

SGI-575's NSRAM is neither in the same place nor the same size as Juno's.

Change-Id: Id6d692e9c7e9c1360014bb525eda966ebe29c823
Signed-off-by: Chris Kay <chris.kay@arm.com>

SGI-575 platform is based on Cortex-A75 processor which has its MT bit
in the MPIDR register set to '1'. So the Arm platform layer code has
to be made aware of this.
Signed-off-by: Sudipto Paul <sudipto.paul@arm.com>

Add support for System Guidance for Infrastructure platform SGI575.

Change-Id: I0125c2ed4469fbc8367dafcc8adce770b6b3147d
Signed-off-by: Nariman Poushin <nariman.poushin@linaro.org>