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iommu/arm-smmu: make use of generic LPAE allocator

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The ARM SMMU can walk LPAE page tables, so make use of the generic
allocator.

Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Will Deacon 2014-11-14 17:17:54 +00:00
parent c896c132b0
commit 518f713624
3 changed files with 266 additions and 627 deletions
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1
arch/arm64/Kconfig
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@ -349,7 +349,6 @@ config ARM64_VA_BITS_42
config ARM64_VA_BITS_48
bool "48-bit"
depends on !ARM_SMMU
endchoice

6
drivers/iommu/Kconfig
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@ -330,13 +330,13 @@ config SPAPR_TCE_IOMMU
config ARM_SMMU
bool "ARM Ltd. System MMU (SMMU) Support"
depends on ARM64 || (ARM_LPAE && OF)
depends on ARM64 || ARM
select IOMMU_API
select IOMMU_IO_PGTABLE_LPAE
select ARM_DMA_USE_IOMMU if ARM
help
Support for implementations of the ARM System MMU architecture
versions 1 and 2. The driver supports both v7l and v8l table
formats with 4k and 64k page sizes.
versions 1 and 2.
Say Y here if your SoC includes an IOMMU device implementing
the ARM SMMU architecture.

886
drivers/iommu/arm-smmu.c
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