rk: restore file mode

[firefly-linux-kernel-4.4.55.git] / drivers / iommu / Kconfig

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index c332fb98480d28e42739e9b674b7b99ce8be427d..262c36efda41f6c94053c2bc86efae137174064a 100644 (file)
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -127,6 +127,37 @@ config IRQ_REMAP
          To use x2apic mode in the CPU's which support x2APIC enhancements or
          to support platforms with CPU's having > 8 bit APIC ID, say Y.
 
+config ROCKCHIP_IOMMU
+       bool "Rockchip IOMMU Support"
+       depends on ARCH_ROCKCHIP
+       select IOMMU_API
+       help
+         Support for the IOMMU(System MMU) of Rockchip rk32xx 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 ROCKCHIP_IOVMM
+       bool "IO Virtual Memory Manager for Rockcihp IOMMUs"
+       select GENERIC_ALLOCATOR
+       depends on ROCKCHIP_IOMMU
+       default n
+       help
+         Supporting the users of Rockchip IOMMU for allocating and mapping
+         an IO virtual memory region with a physical memory region
+         and managing the allocated virtual memory regions.
+
+config ROCKCHIP_IOMMU_DEBUG
+       bool "Debugging log for Rockchip IOMMU"
+       depends on ROCKCHIP_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
+
 # OMAP IOMMU support
 config OMAP_IOMMU
        bool "OMAP IOMMU Support"