/* * SPDX-FileCopyrightText: 2017-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include "esp_efuse.h" #include "esp_efuse_utility.h" #include "esp_efuse_table.h" #include "stdlib.h" #include "esp_types.h" #include "assert.h" #include "esp_err.h" #include "esp_log.h" #include "soc/efuse_periph.h" #include "soc/chip_revision.h" #include "hal/efuse_hal.h" #include "bootloader_random.h" #include "sys/param.h" #include "soc/syscon_reg.h" const static char *TAG = "efuse"; // Contains functions that provide access to efuse fields which are often used in IDF. // Returns chip package from efuse uint32_t esp_efuse_get_pkg_ver(void) { uint32_t pkg_ver = 0; esp_efuse_read_field_blob(ESP_EFUSE_CHIP_VER_PKG, &pkg_ver, 4); return pkg_ver; } // Disable BASIC ROM Console via efuse void esp_efuse_disable_basic_rom_console(void) { if (!esp_efuse_read_field_bit(ESP_EFUSE_CONSOLE_DEBUG_DISABLE)) { esp_efuse_write_field_cnt(ESP_EFUSE_CONSOLE_DEBUG_DISABLE, 1); ESP_LOGI(TAG, "Disable BASIC ROM Console fallback via efuse..."); } } esp_err_t esp_efuse_disable_rom_download_mode(void) { #if CONFIG_ESP32_REV_MIN_FULL < 300 /* Check if we support this revision at all */ if (!ESP_CHIP_REV_ABOVE(efuse_hal_chip_revision(), 300)) { return ESP_ERR_NOT_SUPPORTED; } #endif if (esp_efuse_read_field_bit(ESP_EFUSE_UART_DOWNLOAD_DIS)) { return ESP_OK; } /* WR_DIS_FLASH_CRYPT_CNT also covers UART_DOWNLOAD_DIS on ESP32 */ if(esp_efuse_read_field_bit(ESP_EFUSE_WR_DIS_FLASH_CRYPT_CNT)) { return ESP_ERR_INVALID_STATE; } return esp_efuse_write_field_bit(ESP_EFUSE_UART_DOWNLOAD_DIS); } esp_err_t esp_efuse_set_rom_log_scheme(esp_efuse_rom_log_scheme_t log_scheme) { return ESP_ERR_NOT_SUPPORTED; }