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In preparation for adding the board support for RD-N2 platform, add
macros to define the platform id and the corresponding SCMI platform
info for the RD-N2 platform.

Change-Id: Ie764ae618732b39e316f7ed080421f5d79adab21
Signed-off-by: Aditya Angadi <aditya.angadi@arm.com>

Add the initial board support for RD-Daniel Config-M platform.

Change-Id: I36df16c745bfe4bc817e275ad4722e5de57733cd
Signed-off-by: Jagadeesh Ujja <jagadeesh.ujja@arm.com>
Signed-off-by: Aditya Angadi <aditya.angadi@arm.com>

Multi-chip platforms have two or more identical chips connected using a
high speed coherent link. In order to identify such platforms,
add chip_id and multi_chip_mode information in the platform variant
info structure. The values of these two new elements is populated
during boot.

Change-Id: Ie6e89cb33b3f0f408814f6239cd06647053e23ed
Signed-off-by: Vijayenthiran Subramaniam <vijayenthiran.subramaniam@arm.com>

Replace all uses of 'SGI_CLARK' with 'RD_N1E1_EDGE' and
'SGI_CLARK_HELIOS' with 'RD_E1_EDGE' as per the updated product
names

Change-Id: Ib8136e421b1a46da1e5df58c6b1432d5c78d279b
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>

SGI-Clark.Helios platform is based on multi-threaded CPUs and uses an
additional thread power domain level as well.

Define a power domain tree descriptor 'sgi_clark_helios_pd_tree_desc'
for SGI-Clark.Helios platform and let the function
'plat_get_power_domain_tree_desc' pick up the correct power
domain tree descriptor based on the platform.

Change-Id: Ibc6d551b570bc740053316a3608c455679d9155b
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>

Add two new functions 'plat_arm_sgi_get_platform_id' and
'plat_arm_sgi_get_config_id' which will be implemented by all the
SGI platforms. These functions can be used to determine the part
number and configuration id of the SGI platforms.

In BL2, these functions are used to populate the 'system-id' node.
In BL31, these functions are used to populate the 'sgi_plat_info_t'
structure with the part number and configuration id of the platform.

Change-Id: I3bacda933527724a3b4074ad4ed5b53a81ea4689
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>

SGI-Clark platform is the next version in the Arm's SGI platform
series. One of the primary difference between the SGI-575 platform and
the SGI-Clark platform is the MHU version (MHUv2 in case of SGI-Clark).
Add the required base support for SGI-Clark platform.

Change-Id: If396e5279fdf801d586662dad0b55195e81371e4
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>

Add support for System Guidance for Infrastructure platform SGI575.

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