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Replaced plat_get_syscnt_freq by plat_get_syscnt_freq2 on all
upstream platforms.

Change-Id: I3248f3f65a16dc5e9720012a05c35b9e3ba6abbe

This patch moves the definition for `plat_get_syscnt_freq()`
from arm_bl31_setup.c to arm_common.c. This could be useful
in case a delay timer needs to be installed based on the
generic timer in other BLs.
This patch also modifies the return type for this function
from `uint64_t` to `unsigned long long` within ARM and other
platform files.

Change-Id: Iccdfa811948e660d4fdcaae60ad1d700e4eda80d

This patch modifies the Tegra port to support the new platform
APIs so that we can disable the compat layer. This includes
modifications to the power management and platform topology code.
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

This patch adds a per-soc system reset handler for Tegra chips. The
handler gets executed before the actual system resets. This allows
for custom handling of the system reset sequence on each SoC.
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

The TZDRAM base on the reference platform has been bumped up due to
some BL2 memory cleanup. Platforms can also use a different TZDRAM
base by setting TZDRAM_BASE=<value> in the build command line.
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

This patch implements support for T132 (Denver CPU) based Tegra
platforms.

The following features have been added:

* SiP calls to switch T132 CPU's AARCH mode
* Complete PSCI support, including 'System Suspend'
* Platform specific MMIO settings
* Locking of CPU vector registers
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>