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Because there is no BL2, BL31 must determine the entrypoint and memory
location of BL32 and BL33 on its own.

BL32_BASE and PRELOADED_BL33_BASE will be set in the corresponding board
makefile. We also allow a DTB address to be specified for cases when BL33
is a Linux image.

NOTE: It is possible to pull in this information from device tree as
well, however libfdt does not contain the required hooks to make this
happen at this point in time.
Signed-off-by: Benjamin Fair <b-fair@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>

Create the baseline Makefile, platform definitions file and platform
specific assembly macros file. This includes first set of constants
for the platform including cache sizes and linker format and a stub for
BL31 and the basic memory layout

K3 SoC family of processors do not use require a BL1 or BL2 binary,
since such functions are provided by an system controller on the SoC.
This lowers the burden of ATF to purely managing the local ARM cores
themselves.
Signed-off-by: Benjamin Fair <b-fair@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>