Merge branch 'next/devel-samsung-iommu' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers

* 'next/devel-samsung-iommu' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  iommu/exynos: Add iommu driver for EXYNOS Platforms

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2012-05-15 16:42:55 +02:00
commit 046fae440d
3 changed files with 1098 additions and 0 deletions

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@ -162,4 +162,25 @@ config TEGRA_IOMMU_SMMU
space through the SMMU (System Memory Management Unit)
hardware included on Tegra SoCs.
config EXYNOS_IOMMU
bool "Exynos IOMMU Support"
depends on ARCH_EXYNOS && EXYNOS_DEV_SYSMMU
select IOMMU_API
help
Support for the IOMMU(System MMU) of Samsung Exynos application
processor family. This enables H/W multimedia accellerators to see
non-linear physical memory chunks as a linear memory in their
address spaces
If unsure, say N here.
config EXYNOS_IOMMU_DEBUG
bool "Debugging log for Exynos IOMMU"
depends on EXYNOS_IOMMU
help
Select this to see the detailed log message that shows what
happens in the IOMMU driver
Say N unless you need kernel log message for IOMMU debugging
endif # IOMMU_SUPPORT

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@ -10,3 +10,4 @@ obj-$(CONFIG_OMAP_IOVMM) += omap-iovmm.o
obj-$(CONFIG_OMAP_IOMMU_DEBUG) += omap-iommu-debug.o
obj-$(CONFIG_TEGRA_IOMMU_GART) += tegra-gart.o
obj-$(CONFIG_TEGRA_IOMMU_SMMU) += tegra-smmu.o
obj-$(CONFIG_EXYNOS_IOMMU) += exynos-iommu.o

1076
drivers/iommu/exynos-iommu.c Normal file

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