1 files changed, 71 insertions, 0 deletions
diff --git a/include/drivers/arm/smmu_v3.h b/include/drivers/arm/smmu_v3.h
new file mode 100644
index 0000000..37da56f
--- /dev/null
+++ b/include/drivers/arm/smmu_v3.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SMMU_V3_H
+#define SMMU_V3_H
+
+#include <stdint.h>
+#include <lib/utils_def.h>
+#include <platform_def.h>
+
+/* SMMUv3 register offsets from device base */
+#define SMMU_CR0	U(0x0020)
+#define SMMU_CR0ACK	U(0x0024)
+#define SMMU_GBPA	U(0x0044)
+#define SMMU_S_IDR1	U(0x8004)
+#define SMMU_S_INIT	U(0x803c)
+#define SMMU_S_GBPA	U(0x8044)
+
+/*
+ * TODO: SMMU_ROOT_PAGE_OFFSET is platform specific.
+ * Currently defined as a command line model parameter.
+ */
+#if ENABLE_RME
+
+#define SMMU_ROOT_PAGE_OFFSET	(PLAT_ARM_SMMUV3_ROOT_REG_OFFSET)
+#define SMMU_ROOT_IDR0		U(SMMU_ROOT_PAGE_OFFSET + 0x0000)
+#define SMMU_ROOT_IIDR		U(SMMU_ROOT_PAGE_OFFSET + 0x0008)
+#define SMMU_ROOT_CR0		U(SMMU_ROOT_PAGE_OFFSET + 0x0020)
+#define SMMU_ROOT_CR0ACK	U(SMMU_ROOT_PAGE_OFFSET + 0x0024)
+#define SMMU_ROOT_GPT_BASE	U(SMMU_ROOT_PAGE_OFFSET + 0x0028)
+#define SMMU_ROOT_GPT_BASE_CFG	U(SMMU_ROOT_PAGE_OFFSET + 0x0030)
+#define SMMU_ROOT_GPF_FAR	U(SMMU_ROOT_PAGE_OFFSET + 0x0038)
+#define SMMU_ROOT_GPT_CFG_FAR	U(SMMU_ROOT_PAGE_OFFSET + 0x0040)
+#define SMMU_ROOT_TLBI		U(SMMU_ROOT_PAGE_OFFSET + 0x0050)
+#define SMMU_ROOT_TLBI_CTRL	U(SMMU_ROOT_PAGE_OFFSET + 0x0058)
+
+#endif /* ENABLE_RME */
+
+/* SMMU_CR0 and SMMU_CR0ACK register fields */
+#define SMMU_CR0_SMMUEN			(1UL << 0)
+
+/* SMMU_GBPA register fields */
+#define SMMU_GBPA_UPDATE		(1UL << 31)
+#define SMMU_GBPA_ABORT			(1UL << 20)
+
+/* SMMU_S_IDR1 register fields */
+#define SMMU_S_IDR1_SECURE_IMPL		(1UL << 31)
+
+/* SMMU_S_INIT register fields */
+#define SMMU_S_INIT_INV_ALL		(1UL << 0)
+
+/* SMMU_S_GBPA register fields */
+#define SMMU_S_GBPA_UPDATE		(1UL << 31)
+#define SMMU_S_GBPA_ABORT		(1UL << 20)
+
+/* SMMU_ROOT_IDR0 register fields */
+#define SMMU_ROOT_IDR0_ROOT_IMPL	(1UL << 0)
+
+/* SMMU_ROOT_CR0 register fields */
+#define SMMU_ROOT_CR0_GPCEN		(1UL << 1)
+#define SMMU_ROOT_CR0_ACCESSEN		(1UL << 0)
+
+int smmuv3_init(uintptr_t smmu_base);
+int smmuv3_security_init(uintptr_t smmu_base);
+
+int smmuv3_ns_set_abort_all(uintptr_t smmu_base);
+
+#endif /* SMMU_V3_H */