GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#if !defined(PLAT_TZC400_H) && defined(IMAGE_BL2)
+#define PLAT_TZC400_H
+
+#include <tzc400.h>
+
+/* Structure to configure TZC Regions' boundaries and attributes. */
+struct tzc400_reg {
+	uint8_t reg_filter_en;
+	unsigned long long start_addr;
+	unsigned long long end_addr;
+	unsigned int sec_attr;
+	unsigned int nsaid_permissions;
+};
+
+#define TZC_REGION_NS_NONE	0x00000000U
+
+/* NXP Platforms do not support NS Access ID (NSAID) based non-secure access.
+ * Supports only non secure through generic NS ACCESS ID
+ */
+#define TZC_NS_ACCESS_ID	0xFFFFFFFFU
+
+/* Number of DRAM regions to be configured
+ * for the platform can be over-written.
+ *
+ * Array tzc400_reg_list too, needs be over-written
+ * if there is any changes to default DRAM region
+ * configuration.
+ */
+#ifndef MAX_NUM_TZC_REGION
+/* 3 regions:
+ *  Region 0(default),
+ *  Region 1 (DRAM0, Secure Memory),
+ *  Region 2 (DRAM0, Shared memory)
+ */
+#define MAX_NUM_TZC_REGION	NUM_DRAM_REGIONS + 3
+#define DEFAULT_TZASC_CONFIG	1
+#endif
+
+void mem_access_setup(uintptr_t base, uint32_t total_regions,
+		      struct tzc400_reg *tzc400_reg_list);
+int populate_tzc400_reg_list(struct tzc400_reg *tzc400_reg_list,
+			     int dram_idx, int list_idx,
+			     uint64_t dram_start_addr,
+			     uint64_t dram_size,
+			     uint32_t secure_dram_sz,
+			     uint32_t shrd_dram_sz);
+
+#endif /* PLAT_TZC400_H */