mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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* SPDX-FileCopyrightText: 2017-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "esp_efuse.h"
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#include "esp_efuse_utility.h"
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#include "esp_efuse_table.h"
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#include "stdlib.h"
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#include "esp_types.h"
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#include "assert.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "soc/efuse_periph.h"
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#include "hal/efuse_hal.h"
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#include "bootloader_random.h"
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#include "sys/param.h"
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#include "soc/syscon_reg.h"
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const static char *TAG = "efuse";
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// Contains functions that provide access to efuse fields which are often used in IDF.
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// Returns chip version from efuse
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uint8_t esp_efuse_get_chip_ver(void)
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{
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return efuse_hal_get_chip_revision();
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}
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// Returns chip package from efuse
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uint32_t esp_efuse_get_pkg_ver(void)
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{
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uint32_t pkg_ver = 0;
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esp_efuse_read_field_blob(ESP_EFUSE_CHIP_VER_PKG, &pkg_ver, 4);
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return pkg_ver;
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}
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// Disable BASIC ROM Console via efuse
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void esp_efuse_disable_basic_rom_console(void)
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{
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if (!esp_efuse_read_field_bit(ESP_EFUSE_CONSOLE_DEBUG_DISABLE)) {
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esp_efuse_write_field_cnt(ESP_EFUSE_CONSOLE_DEBUG_DISABLE, 1);
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ESP_LOGI(TAG, "Disable BASIC ROM Console fallback via efuse...");
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}
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}
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esp_err_t esp_efuse_disable_rom_download_mode(void)
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{
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#ifndef CONFIG_ESP32_REV_MIN_3
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/* Check if we support this revision at all */
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if(esp_efuse_get_chip_ver() < 3) {
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return ESP_ERR_NOT_SUPPORTED;
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}
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#endif
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if (esp_efuse_read_field_bit(ESP_EFUSE_UART_DOWNLOAD_DIS)) {
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return ESP_OK;
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}
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/* WR_DIS_FLASH_CRYPT_CNT also covers UART_DOWNLOAD_DIS on ESP32 */
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if(esp_efuse_read_field_bit(ESP_EFUSE_WR_DIS_FLASH_CRYPT_CNT)) {
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return ESP_ERR_INVALID_STATE;
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}
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return esp_efuse_write_field_bit(ESP_EFUSE_UART_DOWNLOAD_DIS);
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}
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esp_err_t esp_efuse_set_rom_log_scheme(esp_efuse_rom_log_scheme_t log_scheme)
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{
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return ESP_ERR_NOT_SUPPORTED;
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}
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