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efuse(esp32c2): Support eFuse key APIs

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KonstantinKondrashov
2021-12-03 01:48:47 +08:00
parent 3a23340e40
commit ebdc52d4e2
41 changed files with 1706 additions and 460 deletions
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25
components/efuse/esp32c2/include/esp_efuse.h
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@@ -11,7 +11,7 @@ extern "C" {
#endif
/**
* @brief Type of eFuse blocks ESP32C2
* @brief Type of eFuse blocks
*/
typedef enum {
EFUSE_BLK0 = 0, /**< Number of eFuse BLOCK0. REPEAT_DATA */
@@ -22,11 +22,11 @@ typedef enum {
EFUSE_BLK2 = 2, /**< Number of eFuse BLOCK2. SYS_DATA_PART1 */
EFUSE_BLK_SYS_DATA_PART1 = 2, /**< Number of eFuse BLOCK2. SYS_DATA_PART1 */
EFUSE_BLK3 = 3, /**< Number of eFuse BLOCK3. KEY0*/
EFUSE_BLK_KEY0 = 3, /**< Number of eFuse BLOCK3. KEY0*/
EFUSE_BLK3 = 3, /**< Number of eFuse BLOCK3. KEY0. whole block */
EFUSE_BLK_KEY0 = 3, /**< Number of eFuse BLOCK3. KEY0. whole block */
EFUSE_BLK_KEY_MAX = 4,
EFUSE_BLK_MAX = 4,
EFUSE_BLK_MAX = 4, /**< Number of eFuse blocks */
} esp_efuse_block_t;
/**
@@ -37,16 +37,15 @@ typedef enum {
EFUSE_CODING_SCHEME_RS = 3, /**< Reed-Solomon coding */
} esp_efuse_coding_scheme_t;
/** For ESP32C2, there's no key purpose region for efuse keys, In order to maintain
* compatibility with the previous apis, we should set the parameter of 'ets_efuse_purpose_t'
* as default value ETS_EFUSE_KEY_PURPOSE_INVALID.
* (In fact, this parameter can be any value, the api in the rom will not process key_purpose region)
*/
/**
* @brief Type of key purposes (they are virtual because this chip has only fixed purposes for block)
*/
typedef enum {
ESP_EFUSE_KEY_PURPOSE_INVALID = -1,
ESP_EFUSE_KEY_PURPOSE_USER = 0,
ESP_EFUSE_KEY_PURPOSE_FLASH_ENCRYPTION = 1,
ESP_EFUSE_KEY_PURPOSE_SECURE_BOOT_V1 = 2,
ESP_EFUSE_KEY_PURPOSE_USER = 0, /**< whole BLOCK3 */
ESP_EFUSE_KEY_PURPOSE_XTS_AES_128_KEY = 1, /**< FE uses the whole BLOCK3 (key is 256-bits) */
ESP_EFUSE_KEY_PURPOSE_XTS_AES_64_KEY = 2, /**< FE uses lower 128-bits of BLOCK3 (key is 128-bits) */
ESP_EFUSE_KEY_PURPOSE_SECURE_BOOT_V2 = 3, /**< SB uses higher 128-bits of BLOCK3 (key is 128-bits) */
ESP_EFUSE_KEY_PURPOSE_MAX, /**< MAX PURPOSE */
} esp_efuse_purpose_t;
#ifdef __cplusplus