| Pankaj Gupta | d7a3f11 | 2020-12-09 14:02:38 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2021 NXP |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #if !defined(PLAT_TZC400_H) && defined(IMAGE_BL2) |
| 9 | #define PLAT_TZC400_H |
| 10 | |
| 11 | #include <tzc400.h> |
| 12 | |
| 13 | /* Structure to configure TZC Regions' boundaries and attributes. */ |
| 14 | struct tzc400_reg { |
| 15 | uint8_t reg_filter_en; |
| 16 | unsigned long long start_addr; |
| 17 | unsigned long long end_addr; |
| 18 | unsigned int sec_attr; |
| 19 | unsigned int nsaid_permissions; |
| 20 | }; |
| 21 | |
| 22 | #define TZC_REGION_NS_NONE 0x00000000U |
| 23 | |
| 24 | /* NXP Platforms do not support NS Access ID (NSAID) based non-secure access. |
| 25 | * Supports only non secure through generic NS ACCESS ID |
| 26 | */ |
| 27 | #define TZC_NS_ACCESS_ID 0xFFFFFFFFU |
| 28 | |
| 29 | /* Number of DRAM regions to be configured |
| 30 | * for the platform can be over-written. |
| 31 | * |
| 32 | * Array tzc400_reg_list too, needs be over-written |
| 33 | * if there is any changes to default DRAM region |
| 34 | * configuration. |
| 35 | */ |
| 36 | #ifndef MAX_NUM_TZC_REGION |
| 37 | /* 3 regions: |
| 38 | * Region 0(default), |
| 39 | * Region 1 (DRAM0, Secure Memory), |
| 40 | * Region 2 (DRAM0, Shared memory) |
| 41 | */ |
| 42 | #define MAX_NUM_TZC_REGION NUM_DRAM_REGIONS + 3 |
| 43 | #define DEFAULT_TZASC_CONFIG 1 |
| 44 | #endif |
| 45 | |
| 46 | void mem_access_setup(uintptr_t base, uint32_t total_regions, |
| 47 | struct tzc400_reg *tzc400_reg_list); |
| 48 | int populate_tzc400_reg_list(struct tzc400_reg *tzc400_reg_list, |
| 49 | int dram_idx, int list_idx, |
| 50 | uint64_t dram_start_addr, |
| 51 | uint64_t dram_size, |
| 52 | uint32_t secure_dram_sz, |
| 53 | uint32_t shrd_dram_sz); |
| 54 | |
| 55 | #endif /* PLAT_TZC400_H */ |