1 files changed, 73 insertions, 0 deletions
diff --git a/plat/imx/imx8m/include/imx_rdc.h b/plat/imx/imx8m/include/imx_rdc.h
new file mode 100644
index 0000000..a6e10a7
--- /dev/null
+++ b/plat/imx/imx8m/include/imx_rdc.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2019-2022 NXP. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef IMX_RDC_H
+#define IMX_RDC_H
+
+#include <lib/utils_def.h>
+
+#include <imx_sec_def.h>
+#include <platform_def.h>
+
+#define MDAn(x)		(IMX_RDC_BASE + 0x200 + (x) * 4)
+#define PDAPn(x)	(IMX_RDC_BASE + 0x400 + (x) * 4)
+#define MRSAn(x)	(IMX_RDC_BASE + 0x800 + (x) * 0x10)
+#define MREAn(x)	(IMX_RDC_BASE + 0x804 + (x) * 0x10)
+#define MRCn(x)		(IMX_RDC_BASE + 0x808 + (x) * 0x10)
+
+#define LCK		BIT(31)
+#define SREQ		BIT(30)
+#define ENA		BIT(30)
+
+#define DID0		U(0x0)
+#define DID1		U(0x1)
+#define DID2		U(0x2)
+#define DID3		U(0x3)
+
+#define D3R		BIT(7)
+#define D3W		BIT(6)
+#define D2R		BIT(5)
+#define D2W		BIT(4)
+#define D1R		BIT(3)
+#define D1W		BIT(2)
+#define D0R		BIT(1)
+#define D0W		BIT(0)
+
+union rdc_setting {
+	uint32_t rdc_mda; /* Master Domain Assignment */
+	uint32_t rdc_pdap; /* Peripheral Domain Access Permissions */
+	uint32_t rdc_mem_region[3]; /* Memory Region Access Control */
+};
+
+enum rdc_type {
+	RDC_INVALID,
+	RDC_MDA,
+	RDC_PDAP,
+	RDC_MEM_REGION,
+};
+
+struct imx_rdc_cfg {
+	enum rdc_type type; /* config type Master, Peripheral or Memory region */
+	int index;
+	union rdc_setting setting;
+};
+
+#define RDC_MDAn(i, mda)	\
+	{RDC_MDA, (i), .setting.rdc_mda = (mda), }
+#define RDC_PDAPn(i, pdap)	\
+	{RDC_PDAP, (i), .setting.rdc_pdap = (pdap), }
+
+#define RDC_MEM_REGIONn(i, msa, mea, mrc)	\
+	{ RDC_MEM_REGION, (i), 			\
+	  .setting.rdc_mem_region[0] = (msa),	\
+	  .setting.rdc_mem_region[1] = (mea),	\
+	  .setting.rdc_mem_region[2] = (mrc),	\
+	}
+
+void imx_rdc_init(const struct imx_rdc_cfg *cfg);
+
+#endif /* IMX_RDC_H */
+