msm: iommu: move to drivers/iommu/

This should ease finding similarities with different platforms,
with the intention of solving problems once in a generic framework
which everyone can use.

Compile-tested for MSM8X60.

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 2c5dfb48a22a..21a80bfbdb52 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -1,3 +1,19 @@
 # IOMMU_API always gets selected by whoever wants it.
 config IOMMU_API
         bool
+
+# MSM IOMMU support
+config MSM_IOMMU
+        bool "MSM IOMMU Support"
+        depends on ARCH_MSM8X60 || ARCH_MSM8960
+        select IOMMU_API
+        help
+          Support for the IOMMUs found on certain Qualcomm SOCs.
+          These IOMMUs allow virtualization of the address space used by most
+          cores within the multimedia subsystem.
+
+          If unsure, say N here.
+
+config IOMMU_PGTABLES_L2
+        def_bool y
+        depends on MSM_IOMMU && MMU && SMP && CPU_DCACHE_DISABLE=n