plat: imx8m: Add basic rdc module init driver
Add the basic support for RDC init/config driver,
this module driver can be enhanced more if necessary.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: I290dc378d0d85671435f9de46d5aa790b4e006c8
diff --git a/plat/imx/imx8m/include/imx_rdc.h b/plat/imx/imx8m/include/imx_rdc.h
new file mode 100644
index 0000000..6be8550
--- /dev/null
+++ b/plat/imx/imx8m/include/imx_rdc.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2019, NXP. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef IMX_RDC_H
+#define IMX_RDC_H
+
+#include <lib/utils_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) * 4)
+#define MREAn(x) (IMX_RDC_BASE + 0x804 + (x) * 4)
+#define MRCn(x) (IMX_RDC_BASE + 0x808 + (x) * 4)
+
+#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 */
+