iommu/arm-smmu: support buggy implementations with secure cfg accesses

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In such a case we have to use secure aliases of some non-secure
registers.

This handling is switched on by DT property
"calxeda,smmu-secure-config-access" for an SMMU node.

Signed-off-by: Andreas Herrmann <andreas.herrmann@calxeda.com>
[will: merged with driver option handling patch]
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Andreas Herrmann 2014-01-30 18:18:04 +00:00 • committed by Will Deacon

parent 636e97b0fb

commit 3a5df8ff35

1 changed files with 48 additions and 10 deletions

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drivers/iommu/arm-smmu.c

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