Check whether the SCU was already initialised
authorCatalin Marinas <catalin.marinas@arm.com>
Wed, 4 Nov 2009 12:16:38 +0000 (12:16 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Thu, 5 Nov 2009 10:10:36 +0000 (10:10 +0000)
If Linux is running in non-secure mode, this register may have been
already initialised and writing to the control register not allowed.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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