NXP: TZC API to configure ddr region
NXP TZC-400 API(s) to configure ddr regions are based on:
- drivers/arm/tzc
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I524433ff9fafe1170b13e99b7de01fe957b6d305
diff --git a/drivers/nxp/tzc/plat_tzc400.h b/drivers/nxp/tzc/plat_tzc400.h
new file mode 100644
index 0000000..1b8e3a4
--- /dev/null
+++ b/drivers/nxp/tzc/plat_tzc400.h
@@ -0,0 +1,55 @@
+/*
+ * 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 */