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-rw-r--r--drivers/iommu/io-pgtable-arm.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/iommu/io-pgtable-arm.h b/drivers/iommu/io-pgtable-arm.h
new file mode 100644
index 000000000..ba7cfdf7a
--- /dev/null
+++ b/drivers/iommu/io-pgtable-arm.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef IO_PGTABLE_ARM_H_
+#define IO_PGTABLE_ARM_H_
+
+#define ARM_LPAE_TCR_TG0_4K 0
+#define ARM_LPAE_TCR_TG0_64K 1
+#define ARM_LPAE_TCR_TG0_16K 2
+
+#define ARM_LPAE_TCR_TG1_16K 1
+#define ARM_LPAE_TCR_TG1_4K 2
+#define ARM_LPAE_TCR_TG1_64K 3
+
+#define ARM_LPAE_TCR_SH_NS 0
+#define ARM_LPAE_TCR_SH_OS 2
+#define ARM_LPAE_TCR_SH_IS 3
+
+#define ARM_LPAE_TCR_RGN_NC 0
+#define ARM_LPAE_TCR_RGN_WBWA 1
+#define ARM_LPAE_TCR_RGN_WT 2
+#define ARM_LPAE_TCR_RGN_WB 3
+
+#define ARM_LPAE_TCR_PS_32_BIT 0x0ULL
+#define ARM_LPAE_TCR_PS_36_BIT 0x1ULL
+#define ARM_LPAE_TCR_PS_40_BIT 0x2ULL
+#define ARM_LPAE_TCR_PS_42_BIT 0x3ULL
+#define ARM_LPAE_TCR_PS_44_BIT 0x4ULL
+#define ARM_LPAE_TCR_PS_48_BIT 0x5ULL
+#define ARM_LPAE_TCR_PS_52_BIT 0x6ULL
+
+#endif /* IO_PGTABLE_ARM_H_ */