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path: root/drivers/iommu/omap-iommu.h
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Diffstat (limited to 'drivers/iommu/omap-iommu.h')
-rw-r--r--drivers/iommu/omap-iommu.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/omap-iommu.h b/drivers/iommu/omap-iommu.h
index 120084206602..ea920c3e94ff 100644
--- a/drivers/iommu/omap-iommu.h
+++ b/drivers/iommu/omap-iommu.h
@@ -52,6 +52,8 @@ struct omap_iommu {
void *ctx; /* iommu context: registres saved area */
u32 da_start;
u32 da_end;
+
+ int has_bus_err_back;
};
struct cr_regs {
@@ -130,6 +132,7 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev)
#define MMU_READ_CAM 0x68
#define MMU_READ_RAM 0x6c
#define MMU_EMU_FAULT_AD 0x70
+#define MMU_GP_REG 0x88
#define MMU_REG_SIZE 256
@@ -163,6 +166,8 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev)
#define MMU_RAM_MIXED_MASK (1 << MMU_RAM_MIXED_SHIFT)
#define MMU_RAM_MIXED MMU_RAM_MIXED_MASK
+#define MMU_GP_REG_BUS_ERR_BACK_EN 0x1
+
/*
* utilities for super page(16MB, 1MB, 64KB and 4KB)
*/