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All identifiers, regardless of use, that start with two underscores are
reserved. This means they can't be used in header guards.

The style that this project is now to use the full name of the file in
capital letters followed by 'H'. For example, for a file called
"uart_example.h", the header guard is UART_EXAMPLE_H.

The exceptions are files that are imported from other projects:

- CryptoCell driver
- dt-bindings folders
- zlib headers

Change-Id: I50561bf6c88b491ec440d0c8385c74650f3c106e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

Retrieve DRAM info from SCP firmware using SCPI driver. Board supports
multiple DRAM slots so its required to fetch DRAM info from SCP firmware
and pass this info to UEFI via non-secure SRAM.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>

Add System Control and Power Interface (SCPI) driver which provides APIs
for PSCI framework to work. SCPI driver uses MHU driver APIs to communicate
with SCP firmware for various system control and power operations.
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>

Add Message Handling Unit (MHU) driver used to communicate among
Application Processors (AP) and System Control Processor (SCP).
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>