espressif: Add warning for unsupported chip revision
Added checking and warning for ESP32, ESP32-S2, ESP32-C3, ESP32-S3
unsupported chip revisions on their initialization.
Made respectively changes for build system and documentation.
Signed-off-by: Almir Okato <almir.okato@espressif.com>
diff --git a/boot/espressif/port/esp32/bootloader.conf b/boot/espressif/port/esp32/bootloader.conf
new file mode 100644
index 0000000..67efcfe
--- /dev/null
+++ b/boot/espressif/port/esp32/bootloader.conf
@@ -0,0 +1,67 @@
+# SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
+#
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_ESP_FLASH_SIZE=4MB
+CONFIG_ESP_BOOTLOADER_SIZE=0xF000
+CONFIG_ESP_BOOTLOADER_OFFSET=0x1000
+CONFIG_ESP_IMAGE0_PRIMARY_START_ADDRESS=0x10000
+CONFIG_ESP_APPLICATION_SIZE=0x100000
+CONFIG_ESP_IMAGE0_SECONDARY_START_ADDRESS=0x110000
+CONFIG_ESP_MCUBOOT_WDT_ENABLE=y
+CONFIG_ESP_SCRATCH_OFFSET=0x210000
+CONFIG_ESP_SCRATCH_SIZE=0x40000
+
+# Enables multi image, if it is not defined, it is assumed
+# only one updatable image
+# CONFIG_ESP_IMAGE_NUMBER=2
+
+# Enables multi image boot on independent processors
+# (main host OS is not responsible for booting the second image)
+# Use only with CONFIG_ESP_IMAGE_NUMBER=2
+# CONFIG_ESP_MULTI_PROCESSOR_BOOT=y
+
+# Example of values to be used when multi image is enabled
+# Notice that the OS layer and update agent must be aware
+# of these regions
+# CONFIG_ESP_APPLICATION_SIZE=0x80000
+# CONFIG_ESP_IMAGE0_PRIMARY_START_ADDRESS=0x10000
+# CONFIG_ESP_IMAGE0_SECONDARY_START_ADDRESS=0x90000
+# CONFIG_ESP_IMAGE1_PRIMARY_START_ADDRESS=0x110000
+# CONFIG_ESP_IMAGE1_SECONDARY_START_ADDRESS=0x190000
+# CONFIG_ESP_SCRATCH_OFFSET=0x210000
+# CONFIG_ESP_SCRATCH_SIZE=0x40000
+
+# CONFIG_ESP_SIGN_EC256=y
+# CONFIG_ESP_SIGN_ED25519=n
+# CONFIG_ESP_SIGN_RSA=n
+# CONFIG_ESP_SIGN_RSA_LEN=2048
+
+# Use Tinycrypt lib for EC256 or ED25519 signing
+# CONFIG_ESP_USE_TINYCRYPT=y
+# Use Mbed TLS lib for RSA image signing
+# CONFIG_ESP_USE_MBEDTLS=n
+
+# It is strongly recommended to generate a new signing key
+# using imgtool instead of use the existent sample
+# CONFIG_ESP_SIGN_KEY_FILE=root-ec-p256.pem
+
+# Hardware Secure Boot related options
+# CONFIG_SECURE_SIGNED_ON_BOOT=1
+# CONFIG_SECURE_SIGNED_APPS_RSA_SCHEME=1
+# CONFIG_SECURE_BOOT=1
+# CONFIG_SECURE_BOOT_V2_ENABLED=1
+# CONFIG_SECURE_BOOT_SUPPORTS_RSA=1
+
+# Hardware Flash Encryption related options
+# CONFIG_SECURE_FLASH_ENC_ENABLED=1
+# CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_ENC=1
+# CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_DEC=1
+# CONFIG_SECURE_FLASH_UART_BOOTLOADER_ALLOW_CACHE=1
+# CONFIG_SECURE_FLASH_ENCRYPTION_MODE_DEVELOPMENT=1
+# CONFIG_SECURE_BOOT_ALLOW_JTAG=1
+# CONFIG_SECURE_BOOT_ALLOW_ROM_BASIC=1
+
+# Options for enabling eFuse emulation in Flash
+# CONFIG_EFUSE_VIRTUAL=1
+# CONFIG_EFUSE_VIRTUAL_KEEP_IN_FLASH=1