1# SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
2#
3# SPDX-License-Identifier: Apache-2.0
4
5CONFIG_ESP_FLASH_SIZE=4MB
6CONFIG_ESP_BOOTLOADER_SIZE=0xF000
7CONFIG_ESP_BOOTLOADER_OFFSET=0x0000
8CONFIG_ESP_IMAGE0_PRIMARY_START_ADDRESS=0x10000
9CONFIG_ESP_APPLICATION_SIZE=0x100000
10CONFIG_ESP_IMAGE0_SECONDARY_START_ADDRESS=0x110000
11CONFIG_ESP_MCUBOOT_WDT_ENABLE=y
12CONFIG_ESP_SCRATCH_OFFSET=0x210000
13CONFIG_ESP_SCRATCH_SIZE=0x40000
14
15# When enabled, prevents updating image to an older version
16# CONFIG_ESP_DOWNGRADE_PREVENTION=y
17# This option makes downgrade prevention rely also on security
18# counter (defined using imgtool) instead of only image version
19# CONFIG_ESP_DOWNGRADE_PREVENTION_SECURITY_COUNTER=y
20
21# Enables the MCUboot Serial Recovery, that allows the use of
22# MCUMGR to upload a firmware through the serial port
23# CONFIG_ESP_MCUBOOT_SERIAL=y
24# Use Serial through USB JTAG Serial port for Serial Recovery
25# CONFIG_ESP_MCUBOOT_SERIAL_USB_SERIAL_JTAG=y
26# Use sector erasing (recommended) instead of entire image size
27# erasing when uploading through Serial Recovery
28# CONFIG_ESP_MCUBOOT_ERASE_PROGRESSIVELY=y
29
30# GPIO used to boot on Serial Recovery
31# CONFIG_ESP_SERIAL_BOOT_GPIO_DETECT=5
32# GPIO input type (0 for Pull-down, 1 for Pull-up)
33# CONFIG_ESP_SERIAL_BOOT_GPIO_INPUT_TYPE=0
34# GPIO signal value
35# CONFIG_ESP_SERIAL_BOOT_GPIO_DETECT_VAL=1
36# Delay time for identify the GPIO signal
37# CONFIG_ESP_SERIAL_BOOT_DETECT_DELAY_S=5
38# UART port used for serial communication (not needed when using USB)
39# CONFIG_ESP_SERIAL_BOOT_UART_NUM=1
40# GPIO for Serial RX signal
41# CONFIG_ESP_SERIAL_BOOT_GPIO_RX=8
42# GPIO for Serial TX signal
43# CONFIG_ESP_SERIAL_BOOT_GPIO_TX=9
44
45# Use UART0 for console printing (use either UART or USB alone)
46CONFIG_ESP_CONSOLE_UART=y
47CONFIG_ESP_CONSOLE_UART_NUM=0
48# Configures alternative UART port for console printing
49# (UART_NUM=0 must not be changed)
50# CONFIG_ESP_CONSOLE_UART_CUSTOM=y
51# CONFIG_ESP_CONSOLE_UART_TX_GPIO=9
52# CONFIG_ESP_CONSOLE_UART_RX_GPIO=8
53# Use USB JTAG Serial for console printing
54# CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG=y
55
56# CONFIG_ESP_SIGN_EC256=y
57# CONFIG_ESP_SIGN_ED25519=n
58# CONFIG_ESP_SIGN_RSA=n
59# CONFIG_ESP_SIGN_RSA_LEN=2048
60
61# Use Tinycrypt lib for EC256 or ED25519 signing
62# CONFIG_ESP_USE_TINYCRYPT=y
63# Use Mbed TLS lib for RSA image signing
64# CONFIG_ESP_USE_MBEDTLS=n
65
66# It is strongly recommended to generate a new signing key
67# using imgtool instead of use the existent sample
68# CONFIG_ESP_SIGN_KEY_FILE=root-ec-p256.pem
69
70# Hardware Secure Boot related options
71# CONFIG_SECURE_SIGNED_ON_BOOT=1
72# CONFIG_SECURE_SIGNED_APPS_RSA_SCHEME=1
73# CONFIG_SECURE_BOOT=1
74# CONFIG_SECURE_BOOT_V2_ENABLED=1
75# CONFIG_SECURE_BOOT_SUPPORTS_RSA=1
76
77# Hardware Flash Encryption related options
78# CONFIG_SECURE_FLASH_ENC_ENABLED=1
79# CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_ENC=1
80# CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_DEC=1
81# CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_CACHE=1
82# CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT=1
83# CONFIG_SECURE_BOOT_ALLOW_JTAG=1
84# CONFIG_SECURE_BOOT_ALLOW_ROM_BASIC=1
85
86# Options for enabling eFuse emulation in Flash
87# CONFIG_EFUSE_VIRTUAL=1
88# CONFIG_EFUSE_VIRTUAL_KEEP_IN_FLASH=1
89