Initial support for ESP32-C6-DevKitC-1 (#1054)

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

boards/esp32-c6-devkitc-1.json

@@ -0,0 +1,25 @@
+{
+  "build": {
+    "core": "esp32",
+    "f_cpu": "160000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "mcu": "esp32c6"
+  },
+  "connectivity": [
+    "wifi"
+  ],
+  "frameworks": [
+    "espidf"
+  ],
+  "name": "Espressif ESP32-C6-DevKitC-1",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 524288,
+    "maximum_size": 8388608,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://docs.espressif.com/projects/espressif-esp-dev-kits/en/latest/esp32c6/esp32-c6-devkitc-1/index.html",
+  "vendor": "Espressif"
+}

builder/frameworks/_embed_files.py

@@ -110,14 +110,14 @@ env.Append(
                 " ".join(
                     [
                         "riscv32-esp-elf-objcopy"
-                        if mcu == "esp32c3"
+                        if mcu in ("esp32c3", "esp32c6")
                         else "xtensa-%s-elf-objcopy" % mcu,
                         "--input-target",
                         "binary",
                         "--output-target",
-                        "elf32-littleriscv" if mcu == "esp32c3" else "elf32-xtensa-le",
+                        "elf32-littleriscv" if mcu in ("esp32c3","esp32c6") else "elf32-xtensa-le",
                         "--binary-architecture",
-                        "riscv" if mcu == "esp32c3" else "xtensa",
+                        "riscv" if mcu in ("esp32c3","esp32c6") else "xtensa",
                         "--rename-section",
                         ".data=.rodata.embedded",
                         "$SOURCE",

builder/frameworks/espidf.py

@@ -62,7 +62,7 @@ IDF5 = platform.get_package_version("framework-espidf").split(".")[1].startswith
 IDF_ENV_VERSION = "1.0.0"
 FRAMEWORK_DIR = platform.get_package_dir("framework-espidf")
 TOOLCHAIN_DIR = platform.get_package_dir(
-    "toolchain-%s" % ("riscv32-esp" if mcu == "esp32c3" else ("xtensa-%s" % mcu))
+    "toolchain-%s" % ("riscv32-esp" if mcu in ("esp32c3","esp32c6") else ("xtensa-%s" % mcu))
 )
 
 
@@ -234,7 +234,7 @@ def populate_idf_env_vars(idf_env):
         os.path.dirname(get_python_exe()),
     ]
 
-    if mcu != "esp32c3":
+    if mcu not in ("esp32c3", "esp32c6"):
         additional_packages.append(
             os.path.join(platform.get_package_dir("toolchain-esp32ulp"), "bin"),
         )
@@ -489,7 +489,7 @@ def extract_linker_script_fragments(framework_components_dir, sdk_config):
         sys.stderr.write("Error: Failed to extract paths to linker script fragments\n")
         env.Exit(1)
 
-    if mcu == "esp32c3":
+    if mcu in ("esp32c3", "esp32c6"):
         result.append(os.path.join(framework_components_dir, "riscv", "linker.lf"))
 
     # Add extra linker fragments
@@ -1500,7 +1500,7 @@ env.Prepend(
         (
             board.get(
                 "upload.bootloader_offset",
-                "0x0" if mcu in ("esp32c3", "esp32s3") else "0x1000",
+                "0x0" if mcu in ("esp32c3", "esp32c6", "esp32s3") else "0x1000",
             ),
             os.path.join("$BUILD_DIR", "bootloader.bin"),
         ),
@@ -1580,7 +1580,7 @@ env["BUILDERS"]["ElfToBin"].action = action
 #
 
 ulp_dir = os.path.join(PROJECT_DIR, "ulp")
-if os.path.isdir(ulp_dir) and os.listdir(ulp_dir) and mcu != "esp32c3":
+if os.path.isdir(ulp_dir) and os.listdir(ulp_dir) and mcu not in ("esp32c3", "esp32c6"):
     env.SConscript("ulp.py", exports="env sdk_config project_config idf_variant")
 
 #

builder/main.py

@@ -199,7 +199,7 @@ board = env.BoardConfig()
 mcu = board.get("build.mcu", "esp32")
 toolchain_arch = "xtensa-%s" % mcu
 filesystem = board.get("build.filesystem", "spiffs")
-if mcu == "esp32c3":
+if mcu in ("esp32c3", "esp32c6"):
     toolchain_arch = "riscv32-esp"
 
 if "INTEGRATION_EXTRA_DATA" not in env:

examples/espidf-hello-world/platformio.ini

@@ -20,3 +20,6 @@ board = esp32-s2-kaluga-1
 
 [env:esp32-c3-devkitm-1]
 board = esp32-c3-devkitm-1
+
+[env:esp32-c6-devkitc-1]
+board = esp32-c6-devkitc-1

platform.py

@@ -119,8 +119,8 @@ class Espressif32Platform(PlatformBase):
             else:
                 self.packages.pop("toolchain-xtensa-%s" % available_mcu, None)
 
-        if mcu in ("esp32s2", "esp32s3", "esp32c3"):
-            # RISC-V based toolchain for ESP32C3, ESP32S2, ESP32S3 ULP
+        if mcu in ("esp32s2", "esp32s3", "esp32c3", "esp32c6"):
+            # RISC-V based toolchain for ESP32C3, ESP32C6 ESP32S2, ESP32S3 ULP
             self.packages["toolchain-riscv32-esp"]["optional"] = False
 
         if build_core == "mbcwb":
@@ -183,7 +183,7 @@ class Espressif32Platform(PlatformBase):
             "tumpa",
         ]
 
-        if board.get("build.mcu", "") in ("esp32c3", "esp32s3"):
+        if board.get("build.mcu", "") in ("esp32c3", "esp32c6", "esp32s3"):
             supported_debug_tools.append("esp-builtin")
 
         upload_protocol = board.manifest.get("upload", {}).get("protocol")