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Some erratum workarounds call into C code before the stack is setup, this can lead to values pushed onto the stack being lost, firewall exceptions, and other undefined behavior. Setup a temporary stack to allow these functions to work correctly. Signed-off-by: Andrew F. Davis <afd@ti.com> Acked-by: Andreas Dannenberg <dannenberg@ti.com> Reviewed-by: Nishanth Menon <nm@ti.com>