1 /* 2 * SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #pragma once 8 9 #ifdef __cplusplus 10 extern "C" { 11 #endif 12 13 /** 14 * @brief Type of eFuse blocks ESP32S2 15 */ 16 typedef enum { 17 EFUSE_BLK0 = 0, /**< Number of eFuse BLOCK0. REPEAT_DATA */ 18 19 EFUSE_BLK1 = 1, /**< Number of eFuse BLOCK1. MAC_SPI_8M_SYS */ 20 21 EFUSE_BLK2 = 2, /**< Number of eFuse BLOCK2. SYS_DATA_PART1 */ 22 EFUSE_BLK_SYS_DATA_PART1 = 2, /**< Number of eFuse BLOCK2. SYS_DATA_PART1 */ 23 24 EFUSE_BLK3 = 3, /**< Number of eFuse BLOCK3. USER_DATA*/ 25 EFUSE_BLK_USER_DATA = 3, /**< Number of eFuse BLOCK3. USER_DATA*/ 26 27 EFUSE_BLK4 = 4, /**< Number of eFuse BLOCK4. KEY0 */ 28 EFUSE_BLK_KEY0 = 4, /**< Number of eFuse BLOCK4. KEY0 */ 29 30 EFUSE_BLK5 = 5, /**< Number of eFuse BLOCK5. KEY1 */ 31 EFUSE_BLK_KEY1 = 5, /**< Number of eFuse BLOCK5. KEY1 */ 32 33 EFUSE_BLK6 = 6, /**< Number of eFuse BLOCK6. KEY2 */ 34 EFUSE_BLK_KEY2 = 6, /**< Number of eFuse BLOCK6. KEY2 */ 35 36 EFUSE_BLK7 = 7, /**< Number of eFuse BLOCK7. KEY3 */ 37 EFUSE_BLK_KEY3 = 7, /**< Number of eFuse BLOCK7. KEY3 */ 38 39 EFUSE_BLK8 = 8, /**< Number of eFuse BLOCK8. KEY4 */ 40 EFUSE_BLK_KEY4 = 8, /**< Number of eFuse BLOCK8. KEY4 */ 41 42 EFUSE_BLK9 = 9, /**< Number of eFuse BLOCK9. KEY5 */ 43 EFUSE_BLK_KEY5 = 9, /**< Number of eFuse BLOCK9. KEY5 */ 44 EFUSE_BLK_KEY_MAX = 10, 45 46 EFUSE_BLK10 = 10, /**< Number of eFuse BLOCK10. SYS_DATA_PART2 */ 47 EFUSE_BLK_SYS_DATA_PART2 = 10, /**< Number of eFuse BLOCK10. SYS_DATA_PART2 */ 48 49 EFUSE_BLK_MAX 50 } esp_efuse_block_t; 51 52 /** 53 * @brief Type of coding scheme 54 */ 55 typedef enum { 56 EFUSE_CODING_SCHEME_NONE = 0, /**< None */ 57 EFUSE_CODING_SCHEME_RS = 3, /**< Reed-Solomon coding */ 58 } esp_efuse_coding_scheme_t; 59 60 /** 61 * @brief Type of key purpose 62 */ 63 typedef enum { 64 ESP_EFUSE_KEY_PURPOSE_USER = 0, /**< User purposes (software-only use) */ 65 ESP_EFUSE_KEY_PURPOSE_RESERVED = 1, /**< Reserved */ 66 ESP_EFUSE_KEY_PURPOSE_XTS_AES_256_KEY_1 = 2, /**< XTS_AES_256_KEY_1 (flash/PSRAM encryption) */ 67 ESP_EFUSE_KEY_PURPOSE_XTS_AES_256_KEY_2 = 3, /**< XTS_AES_256_KEY_2 (flash/PSRAM encryption) */ 68 ESP_EFUSE_KEY_PURPOSE_XTS_AES_128_KEY = 4, /**< XTS_AES_128_KEY (flash/PSRAM encryption) */ 69 ESP_EFUSE_KEY_PURPOSE_HMAC_DOWN_ALL = 5, /**< HMAC Downstream mode */ 70 ESP_EFUSE_KEY_PURPOSE_HMAC_DOWN_JTAG = 6, /**< JTAG soft enable key (uses HMAC Downstream mode) */ 71 ESP_EFUSE_KEY_PURPOSE_HMAC_DOWN_DIGITAL_SIGNATURE = 7, /**< Digital Signature peripheral key (uses HMAC Downstream mode) */ 72 ESP_EFUSE_KEY_PURPOSE_HMAC_UP = 8, /**< HMAC Upstream mode */ 73 ESP_EFUSE_KEY_PURPOSE_SECURE_BOOT_DIGEST0 = 9, /**< SECURE_BOOT_DIGEST0 (Secure Boot key digest) */ 74 ESP_EFUSE_KEY_PURPOSE_SECURE_BOOT_DIGEST1 = 10, /**< SECURE_BOOT_DIGEST1 (Secure Boot key digest) */ 75 ESP_EFUSE_KEY_PURPOSE_SECURE_BOOT_DIGEST2 = 11, /**< SECURE_BOOT_DIGEST2 (Secure Boot key digest) */ 76 ESP_EFUSE_KEY_PURPOSE_MAX, /**< MAX PURPOSE */ 77 } esp_efuse_purpose_t; 78 79 #ifdef __cplusplus 80 } 81 #endif 82
