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efuse: Add new esp_efuse_write_field_bit() convenience function

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Angus Gratton
2020-04-25 14:58:30 +10:00
committed by Angus Gratton
parent 9b822a3d2e
commit 1dd5a4dba4
5 changed files with 63 additions and 12 deletions
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8
components/bootloader_support/src/esp32s2/flash_encrypt.c
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@@ -188,22 +188,22 @@ static esp_err_t initialise_flash_encryption(void)
#ifndef CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_ENC
ESP_LOGI(TAG, "Disable UART bootloader encryption...");
esp_efuse_write_field_cnt(ESP_EFUSE_DIS_DOWNLOAD_MANUAL_ENCRYPT, 1);
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DOWNLOAD_MANUAL_ENCRYPT);
#else
ESP_LOGW(TAG, "Not disabling UART bootloader encryption");
#endif
#ifndef CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_CACHE
ESP_LOGI(TAG, "Disable UART bootloader cache...");
esp_efuse_write_field_cnt(ESP_EFUSE_DIS_DOWNLOAD_DCACHE, 1);
esp_efuse_write_field_cnt(ESP_EFUSE_DIS_DOWNLOAD_ICACHE, 1);
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DOWNLOAD_DCACHE);
esp_efuse_write_field_bit(ESP_EFUSE_DIS_DOWNLOAD_ICACHE);
#else
ESP_LOGW(TAG, "Not disabling UART bootloader cache - SECURITY COMPROMISED");
#endif
#ifndef CONFIG_SECURE_BOOT_ALLOW_JTAG
ESP_LOGI(TAG, "Disable JTAG...");
esp_efuse_write_field_cnt(ESP_EFUSE_HARD_DIS_JTAG, 1);
esp_efuse_write_field_bit(ESP_EFUSE_HARD_DIS_JTAG);
#else
ESP_LOGW(TAG, "Not disabling JTAG - SECURITY COMPROMISED");
#endif