1 files changed, 60 insertions, 0 deletions
diff --git a/plat/nvidia/tegra/include/drivers/security_engine.h b/plat/nvidia/tegra/include/drivers/security_engine.h
new file mode 100644
index 0000000..5ae6257
--- /dev/null
+++ b/plat/nvidia/tegra/include/drivers/security_engine.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SECURITY_ENGINE_H
+#define SECURITY_ENGINE_H
+
+/*******************************************************************************
+ * Structure definition
+ ******************************************************************************/
+
+/* Security Engine Linked List */
+struct tegra_se_ll {
+	/* DMA buffer address */
+	uint32_t addr;
+	/* Data length in DMA buffer */
+	uint32_t data_len;
+};
+
+#define SE_LL_MAX_BUFFER_NUM			4
+typedef struct tegra_se_io_lst {
+	volatile uint32_t last_buff_num;
+	volatile struct tegra_se_ll buffer[SE_LL_MAX_BUFFER_NUM];
+} tegra_se_io_lst_t __attribute__((aligned(4)));
+
+/* SE device structure */
+typedef struct tegra_se_dev {
+	/* Security Engine ID */
+	const int se_num;
+	/* SE base address */
+	const uint64_t se_base;
+	/* SE context size in AES blocks */
+	const uint32_t ctx_size_blks;
+	/* pointer to source linked list buffer */
+	tegra_se_io_lst_t *src_ll_buf;
+	/* pointer to destination linked list buffer */
+	tegra_se_io_lst_t *dst_ll_buf;
+	/* LP context buffer pointer */
+	uint32_t *ctx_save_buf;
+} tegra_se_dev_t;
+
+/* PKA1 device structure */
+typedef struct tegra_pka_dev {
+	/* PKA1 base address */
+	uint64_t pka_base;
+} tegra_pka_dev_t;
+
+/*******************************************************************************
+ * Public interface
+ ******************************************************************************/
+void tegra_se_init(void);
+int tegra_se_suspend(void);
+void tegra_se_resume(void);
+int tegra_se_save_tzram(void);
+int32_t tegra_se_save_sha256_hash(uint64_t bl31_base, uint32_t src_len_inbyte);
+
+#endif /* SECURITY_ENGINE_H */