1 files changed, 63 insertions, 0 deletions
diff --git a/plat/arm/board/rdn2/rdn2_security.c b/plat/arm/board/rdn2/rdn2_security.c
new file mode 100644
index 0000000..dff6a19
--- /dev/null
+++ b/plat/arm/board/rdn2/rdn2_security.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2020-2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <plat/arm/common/plat_arm.h>
+#include <platform_def.h>
+
+static const arm_tzc_regions_info_t tzc_regions[] = {
+	ARM_TZC_REGIONS_DEF,
+	{}
+};
+
+#if (CSS_SGI_PLATFORM_VARIANT == 2 && CSS_SGI_CHIP_COUNT > 1)
+static const arm_tzc_regions_info_t tzc_regions_mc[][CSS_SGI_CHIP_COUNT - 1] = {
+	{
+		/* TZC memory regions for second chip */
+		SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(1),
+		{}
+	},
+#if CSS_SGI_CHIP_COUNT > 2
+	{
+		/* TZC memory regions for third chip */
+		SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(2),
+		{}
+	},
+#endif
+#if CSS_SGI_CHIP_COUNT > 3
+	{
+		/* TZC memory regions for fourth chip */
+		SGI_PLAT_TZC_NS_REMOTE_REGIONS_DEF(3),
+		{}
+	},
+#endif
+};
+#endif /* CSS_SGI_PLATFORM_VARIANT && CSS_SGI_CHIP_COUNT */
+
+/* Initialize the secure environment */
+void plat_arm_security_setup(void)
+{
+	unsigned int i;
+
+	INFO("Configuring TrustZone Controller for Chip 0\n");
+
+	for (i = 0; i < TZC400_COUNT; i++) {
+		arm_tzc400_setup(TZC400_BASE(i), tzc_regions);
+	}
+
+#if (CSS_SGI_PLATFORM_VARIANT == 2 && CSS_SGI_CHIP_COUNT > 1)
+	unsigned int j;
+
+	for (i = 1; i < CSS_SGI_CHIP_COUNT; i++) {
+		INFO("Configuring TrustZone Controller for Chip %u\n", i);
+
+		for (j = 0; j < TZC400_COUNT; j++) {
+			arm_tzc400_setup(CSS_SGI_REMOTE_CHIP_MEM_OFFSET(i)
+				+ TZC400_BASE(j), tzc_regions_mc[i-1]);
+		}
+	}
+#endif
+}