global: add new target name: esp32-s3

add target name, chip ID, toochain descriptions for ESP32-S3

Kconfig

@@ -11,6 +11,7 @@ mainmenu "Espressif IoT Development Framework Configuration"
     config IDF_ENV_FPGA
         # This option is for internal use only
         bool
+        option env="IDF_ENV_FPGA"
 
     config IDF_TARGET
         # This option records the IDF target when sdkconfig is generated the first time.
@@ -29,10 +30,16 @@ mainmenu "Espressif IoT Development Framework Configuration"
         default "y" if IDF_TARGET="esp32s2"
         select FREERTOS_UNICORE
 
+    config IDF_TARGET_ESP32S3
+        bool
+        default "y" if IDF_TARGET="esp32s3"
+        select IDF_ENV_FPGA
+
     config IDF_FIRMWARE_CHIP_ID
         hex
         default 0x0000 if IDF_TARGET_ESP32
         default 0x0002 if IDF_TARGET_ESP32S2
+        default 0x0004 if IDF_TARGET_ESP32S3
         default 0xFFFF
 
     menu "SDK tool configuration"
@@ -40,6 +47,7 @@ mainmenu "Espressif IoT Development Framework Configuration"
             string "Compiler toolchain path/prefix"
             default "xtensa-esp32-elf-" if IDF_TARGET_ESP32
             default "xtensa-esp32s2-elf-" if IDF_TARGET_ESP32S2
+            default "xtensa-esp32s3-elf-" if IDF_TARGET_ESP32S3
             help
                 The prefix/path that is used to call the toolchain. The default setting assumes
                 a crosstool-ng gcc setup that is in your PATH.

components/bootloader_support/include/esp_app_format.h

@@ -19,7 +19,8 @@
  */
 typedef enum {
     ESP_CHIP_ID_ESP32 = 0x0000,  /*!< chip ID: ESP32 */
-    ESP_CHIP_ID_ESP32S2 = 0x0002,  /*!< chip ID: ESP32S2 */
+    ESP_CHIP_ID_ESP32S2 = 0x0002,  /*!< chip ID: ESP32-S2 */
+    ESP_CHIP_ID_ESP32S3 = 0x0004, /*!< chip ID: ESP32-S3 */
     ESP_CHIP_ID_INVALID = 0xFFFF /*!< Invalid chip ID (we defined it to make sure the esp_chip_id_t is 2 bytes size) */
 } __attribute__((packed)) esp_chip_id_t;
 

components/esp_system/include/esp_system.h

@@ -251,6 +251,7 @@ void  __attribute__((noreturn)) esp_system_abort(const char* details);
 typedef enum {
     CHIP_ESP32  = 1, //!< ESP32
     CHIP_ESP32S2 = 2, //!< ESP32-S2
+    CHIP_ESP32S3 = 4, //!< ESP32-S3
 } esp_chip_model_t;
 
 /* Chip feature flags, used in esp_chip_info_t */

tools/cmake/dfu.cmake

@@ -7,6 +7,8 @@ function(__add_dfu_targets)
         return()
     elseif("${target}" STREQUAL "esp32s2")
         set(dfu_pid "2")
+    elseif("${target}" STREQUAL "esp32s3")
+        set(dfu_pid "4")
     else()
         message(FATAL_ERROR "DFU PID unknown for ${target}")
     endif()

tools/cmake/toolchain-esp32s3.cmake

@@ -0,0 +1,8 @@
+set(CMAKE_SYSTEM_NAME Generic)
+
+set(CMAKE_C_COMPILER xtensa-esp32s3-elf-gcc)
+set(CMAKE_CXX_COMPILER xtensa-esp32s3-elf-g++)
+set(CMAKE_ASM_COMPILER xtensa-esp32s3-elf-gcc)
+
+set(CMAKE_C_FLAGS "-mlongcalls" CACHE STRING "C Compiler Base Flags")
+set(CMAKE_CXX_FLAGS "-mlongcalls" CACHE STRING "C++ Compiler Base Flags")

tools/idf_py_actions/constants.py

@@ -37,3 +37,5 @@ GENERATORS = collections.OrderedDict([
 ])
 
 SUPPORTED_TARGETS = ["esp32", "esp32s2"]
+
+PREVIEW_TARGETS = ["esp32s3"]

tools/idf_py_actions/core_ext.py

@@ -5,7 +5,7 @@ import sys
 
 import click
 
-from idf_py_actions.constants import GENERATORS, SUPPORTED_TARGETS
+from idf_py_actions.constants import GENERATORS, SUPPORTED_TARGETS, PREVIEW_TARGETS
 from idf_py_actions.errors import FatalError
 from idf_py_actions.global_options import global_options
 from idf_py_actions.tools import ensure_build_directory, idf_version, merge_action_lists, realpath, run_target, TargetChoice
@@ -122,6 +122,8 @@ def action_extensions(base_actions, project_path):
                 os.remove(f)
 
     def set_target(action, ctx, args, idf_target):
+        if(not args["preview"] and idf_target in PREVIEW_TARGETS):
+            raise FatalError("%s is still in preview. You have to append '--preview' option after idf.py to use any preview feature." % idf_target)
         args.define_cache_entry.append("IDF_TARGET=" + idf_target)
         sdkconfig_path = os.path.join(args.project_dir, 'sdkconfig')
         sdkconfig_old = sdkconfig_path + ".old"
@@ -164,6 +166,10 @@ def action_extensions(base_actions, project_path):
         for target in SUPPORTED_TARGETS:
             print(target)
 
+        if "preview" in ctx.params:
+            for target in PREVIEW_TARGETS:
+                print(target)
+
         sys.exit(0)
 
     root_options = {
@@ -208,6 +214,12 @@ def action_extensions(base_actions, project_path):
                 "default": False,
                 "callback": verbose_callback
             },
+            {
+                "names": ["--preview"],
+                "help": "Enable IDF features that are still in preview.",
+                "is_flag": True,
+                "default": False,
+            },
             {
                 "names": ["--ccache/--no-ccache"],
                 "help": (
@@ -379,7 +391,7 @@ def action_extensions(base_actions, project_path):
                     {
                         "names": ["idf-target"],
                         "nargs": 1,
-                        "type": TargetChoice(SUPPORTED_TARGETS),
+                        "type": TargetChoice(SUPPORTED_TARGETS + PREVIEW_TARGETS),
                     },
                 ],
                 "dependencies": ["fullclean"],