[esp32] Add config option to execute from PSRAM (#9907)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/debug/sensor.py

@@ -1,6 +1,7 @@
 import esphome.codegen as cg
 from esphome.components import sensor
 from esphome.components.esp32 import CONF_CPU_FREQUENCY
+from esphome.components.psram import DOMAIN as PSRAM_DOMAIN
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_BLOCK,
@@ -54,7 +55,7 @@ CONFIG_SCHEMA = {
     ),
     cv.Optional(CONF_PSRAM): cv.All(
         cv.only_on_esp32,
-        cv.requires_component("psram"),
+        cv.requires_component(PSRAM_DOMAIN),
         sensor.sensor_schema(
             unit_of_measurement=UNIT_BYTES,
             icon=ICON_COUNTER,

esphome/components/esp32/__init__.py

@@ -76,6 +76,7 @@ CONF_ASSERTION_LEVEL = "assertion_level"
 CONF_COMPILER_OPTIMIZATION = "compiler_optimization"
 CONF_ENABLE_IDF_EXPERIMENTAL_FEATURES = "enable_idf_experimental_features"
 CONF_ENABLE_LWIP_ASSERT = "enable_lwip_assert"
+CONF_EXECUTE_FROM_PSRAM = "execute_from_psram"
 CONF_RELEASE = "release"
 
 ASSERTION_LEVELS = {
@@ -519,32 +520,59 @@ def _detect_variant(value):
 
 
 def final_validate(config):
-    if not (
+    # Imported locally to avoid circular import issues
-        pio_options := fv.full_config.get()[CONF_ESPHOME].get(CONF_PLATFORMIO_OPTIONS)
+    from esphome.components.psram import DOMAIN as PSRAM_DOMAIN
-    ):
-        # Not specified or empty
-        return config
 
+    errs = []
+    full_config = fv.full_config.get()
+    if pio_options := full_config[CONF_ESPHOME].get(CONF_PLATFORMIO_OPTIONS):
         pio_flash_size_key = "board_upload.flash_size"
         pio_partitions_key = "board_build.partitions"
         if CONF_PARTITIONS in config and pio_partitions_key in pio_options:
-        raise cv.Invalid(
+            errs.append(
+                cv.Invalid(
                     f"Do not specify '{pio_partitions_key}' in '{CONF_PLATFORMIO_OPTIONS}' with '{CONF_PARTITIONS}' in esp32"
                 )
-
+            )
         if pio_flash_size_key in pio_options:
-        raise cv.Invalid(
+            errs.append(
+                cv.Invalid(
                     f"Please specify {CONF_FLASH_SIZE} within esp32 configuration only"
                 )
-
+            )
     if (
         config[CONF_VARIANT] != VARIANT_ESP32
         and CONF_ADVANCED in (conf_fw := config[CONF_FRAMEWORK])
         and CONF_IGNORE_EFUSE_MAC_CRC in conf_fw[CONF_ADVANCED]
     ):
-        raise cv.Invalid(
+        errs.append(
-            f"{CONF_IGNORE_EFUSE_MAC_CRC} is not supported on {config[CONF_VARIANT]}"
+            cv.Invalid(
+                f"'{CONF_IGNORE_EFUSE_MAC_CRC}' is not supported on {config[CONF_VARIANT]}",
+                path=[CONF_FRAMEWORK, CONF_ADVANCED, CONF_IGNORE_EFUSE_MAC_CRC],
             )
+        )
+    if (
+        config.get(CONF_FRAMEWORK, {})
+        .get(CONF_ADVANCED, {})
+        .get(CONF_EXECUTE_FROM_PSRAM)
+    ):
+        if config[CONF_VARIANT] != VARIANT_ESP32S3:
+            errs.append(
+                cv.Invalid(
+                    f"'{CONF_EXECUTE_FROM_PSRAM}' is only supported on {VARIANT_ESP32S3} variant",
+                    path=[CONF_FRAMEWORK, CONF_ADVANCED, CONF_EXECUTE_FROM_PSRAM],
+                )
+            )
+        if PSRAM_DOMAIN not in full_config:
+            errs.append(
+                cv.Invalid(
+                    f"'{CONF_EXECUTE_FROM_PSRAM}' requires PSRAM to be configured",
+                    path=[CONF_FRAMEWORK, CONF_ADVANCED, CONF_EXECUTE_FROM_PSRAM],
+                )
+            )
+
+    if errs:
+        raise cv.MultipleInvalid(errs)
 
     return config
 
@@ -627,6 +655,7 @@ ESP_IDF_FRAMEWORK_SCHEMA = cv.All(
                     cv.Optional(
                         CONF_ENABLE_LWIP_CHECK_THREAD_SAFETY, default=True
                     ): cv.boolean,
+                    cv.Optional(CONF_EXECUTE_FROM_PSRAM): cv.boolean,
                 }
             ),
             cv.Optional(CONF_COMPONENTS, default=[]): cv.ensure_list(
@@ -792,6 +821,9 @@ async def to_code(config):
             add_idf_sdkconfig_option("CONFIG_LWIP_DNS_SUPPORT_MDNS_QUERIES", False)
         if not advanced.get(CONF_ENABLE_LWIP_BRIDGE_INTERFACE, False):
             add_idf_sdkconfig_option("CONFIG_LWIP_BRIDGEIF_MAX_PORTS", 0)
+        if advanced.get(CONF_EXECUTE_FROM_PSRAM, False):
+            add_idf_sdkconfig_option("CONFIG_SPIRAM_FETCH_INSTRUCTIONS", True)
+            add_idf_sdkconfig_option("CONFIG_SPIRAM_RODATA", True)
 
         # Apply LWIP core locking for better socket performance
         # This is already enabled by default in Arduino framework, where it provides

esphome/components/lvgl/__init__.py

@@ -4,6 +4,7 @@ from esphome.automation import build_automation, register_action, validate_autom
 import esphome.codegen as cg
 from esphome.components.const import CONF_COLOR_DEPTH, CONF_DRAW_ROUNDING
 from esphome.components.display import Display
+from esphome.components.psram import DOMAIN as PSRAM_DOMAIN
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_AUTO_CLEAR_ENABLED,
@@ -219,7 +220,7 @@ def final_validation(configs):
                     draw_rounding, config[CONF_DRAW_ROUNDING]
                 )
         buffer_frac = config[CONF_BUFFER_SIZE]
-        if CORE.is_esp32 and buffer_frac > 0.5 and "psram" not in global_config:
+        if CORE.is_esp32 and buffer_frac > 0.5 and PSRAM_DOMAIN not in global_config:
             LOGGER.warning("buffer_size: may need to be reduced without PSRAM")
         for image_id in lv_images_used:
             path = global_config.get_path_for_id(image_id)[:-1]

esphome/components/mipi_spi/display.py

@@ -25,6 +25,7 @@ from esphome.components.mipi import (
     power_of_two,
     requires_buffer,
 )
+from esphome.components.psram import DOMAIN as PSRAM_DOMAIN
 from esphome.components.spi import TYPE_OCTAL, TYPE_QUAD, TYPE_SINGLE
 import esphome.config_validation as cv
 from esphome.config_validation import ALLOW_EXTRA
@@ -292,7 +293,7 @@ def _final_validate(config):
         # If no drawing methods are configured, and LVGL is not enabled, show a test card
         config[CONF_SHOW_TEST_CARD] = True
 
-    if "psram" not in global_config and CONF_BUFFER_SIZE not in config:
+    if PSRAM_DOMAIN not in global_config and CONF_BUFFER_SIZE not in config:
         if not requires_buffer(config):
             return config  # No buffer needed, so no need to set a buffer size
         # If PSRAM is not enabled, choose a small buffer size by default

esphome/components/psram/__init__.py

@@ -28,12 +28,13 @@ from esphome.core import CORE
 import esphome.final_validate as fv
 
 CODEOWNERS = ["@esphome/core"]
+DOMAIN = "psram"
 
 DEPENDENCIES = [PLATFORM_ESP32]
 
 _LOGGER = logging.getLogger(__name__)
 
-psram_ns = cg.esphome_ns.namespace("psram")
+psram_ns = cg.esphome_ns.namespace(DOMAIN)
 PsramComponent = psram_ns.class_("PsramComponent", cg.Component)
 
 TYPE_QUAD = "quad"

esphome/config.py

@@ -329,6 +329,28 @@ class ConfigValidationStep(abc.ABC):
     def run(self, result: Config) -> None: ...  # noqa: E704
 
 
+class LoadTargetPlatformValidationStep(ConfigValidationStep):
+    """Load target platform step."""
+
+    def __init__(self, domain: str, conf: ConfigType):
+        self.domain = domain
+        self.conf = conf
+
+    def run(self, result: Config) -> None:
+        if self.conf is None:
+            result[self.domain] = self.conf = {}
+        result.add_output_path([self.domain], self.domain)
+        component = get_component(self.domain)
+
+        result[self.domain] = self.conf
+        path = [self.domain]
+        CORE.loaded_integrations.add(self.domain)
+
+        result.add_validation_step(
+            SchemaValidationStep(self.domain, path, self.conf, component)
+        )
+
+
 class LoadValidationStep(ConfigValidationStep):
     """Load step, this step is called once for each domain config fragment.
 
@@ -582,16 +604,18 @@ class MetadataValidationStep(ConfigValidationStep):
                 )
                 return
             for i, part_conf in enumerate(self.conf):
+                path = self.path + [i]
                 result.add_validation_step(
-                    SchemaValidationStep(
+                    SchemaValidationStep(self.domain, path, part_conf, self.comp)
-                        self.domain, self.path + [i], part_conf, self.comp
-                    )
                 )
+                result.add_validation_step(FinalValidateValidationStep(path, self.comp))
+
             return
 
         result.add_validation_step(
             SchemaValidationStep(self.domain, self.path, self.conf, self.comp)
         )
+        result.add_validation_step(FinalValidateValidationStep(self.path, self.comp))
 
 
 class SchemaValidationStep(ConfigValidationStep):
@@ -628,7 +652,6 @@ class SchemaValidationStep(ConfigValidationStep):
                 result.set_by_path(self.path, validated)
 
         path_context.reset(token)
-        result.add_validation_step(FinalValidateValidationStep(self.path, self.comp))
 
 
 class IDPassValidationStep(ConfigValidationStep):
@@ -909,7 +932,7 @@ def validate_config(
 
     # First run platform validation steps
     result.add_validation_step(
-        LoadValidationStep(target_platform, config[target_platform])
+        LoadTargetPlatformValidationStep(target_platform, config[target_platform])
     )
     result.run_validation_steps()
 

tests/component_tests/conftest.py

@@ -65,6 +65,7 @@ def set_core_config() -> Generator[SetCoreConfigCallable]:
         *,
         core_data: ConfigType | None = None,
         platform_data: ConfigType | None = None,
+        full_config: dict[str, ConfigType] | None = None,
     ) -> None:
         platform, framework = platform_framework.value
 
@@ -83,7 +84,7 @@ def set_core_config() -> Generator[SetCoreConfigCallable]:
             CORE.data[platform.value] = platform_data
 
         config.path_context.set([])
-        final_validate.full_config.set(Config())
+        final_validate.full_config.set(full_config or Config())
 
     yield setter
 

tests/component_tests/esp32/test_esp32.py

@@ -8,10 +8,13 @@ import pytest
 
 from esphome.components.esp32 import VARIANTS
 import esphome.config_validation as cv
-from esphome.const import PlatformFramework
+from esphome.const import CONF_ESPHOME, PlatformFramework
+from tests.component_tests.types import SetCoreConfigCallable
 
 
-def test_esp32_config(set_core_config) -> None:
+def test_esp32_config(
+    set_core_config: SetCoreConfigCallable,
+) -> None:
     set_core_config(PlatformFramework.ESP32_IDF)
 
     from esphome.components.esp32 import CONFIG_SCHEMA
@@ -60,14 +63,49 @@ def test_esp32_config(set_core_config) -> None:
             r"Option 'variant' does not match selected board. @ data\['variant'\]",
             id="mismatched_board_variant_config",
         ),
+        pytest.param(
+            {
+                "variant": "esp32s2",
+                "framework": {
+                    "type": "esp-idf",
+                    "advanced": {"execute_from_psram": True},
+                },
+            },
+            r"'execute_from_psram' is only supported on ESP32S3 variant @ data\['framework'\]\['advanced'\]\['execute_from_psram'\]",
+            id="execute_from_psram_invalid_for_variant_config",
+        ),
+        pytest.param(
+            {
+                "variant": "esp32s3",
+                "framework": {
+                    "type": "esp-idf",
+                    "advanced": {"execute_from_psram": True},
+                },
+            },
+            r"'execute_from_psram' requires PSRAM to be configured @ data\['framework'\]\['advanced'\]\['execute_from_psram'\]",
+            id="execute_from_psram_requires_psram_config",
+        ),
+        pytest.param(
+            {
+                "variant": "esp32s3",
+                "framework": {
+                    "type": "esp-idf",
+                    "advanced": {"ignore_efuse_mac_crc": True},
+                },
+            },
+            r"'ignore_efuse_mac_crc' is not supported on ESP32S3 @ data\['framework'\]\['advanced'\]\['ignore_efuse_mac_crc'\]",
+            id="ignore_efuse_mac_crc_only_on_esp32",
+        ),
     ],
 )
 def test_esp32_configuration_errors(
     config: Any,
     error_match: str,
+    set_core_config: SetCoreConfigCallable,
 ) -> None:
+    set_core_config(PlatformFramework.ESP32_IDF, full_config={CONF_ESPHOME: {}})
     """Test detection of invalid configuration."""
-    from esphome.components.esp32 import CONFIG_SCHEMA
+    from esphome.components.esp32 import CONFIG_SCHEMA, FINAL_VALIDATE_SCHEMA
 
     with pytest.raises(cv.Invalid, match=error_match):
-        CONFIG_SCHEMA(config)
+        FINAL_VALIDATE_SCHEMA(CONFIG_SCHEMA(config))

tests/component_tests/types.py

@@ -18,4 +18,5 @@ class SetCoreConfigCallable(Protocol):
         *,
         core_data: ConfigType | None = None,
         platform_data: ConfigType | None = None,
+        full_config: dict[str, ConfigType] | None = None,
     ) -> None: ...

tests/components/esp32/test.esp32-s3-idf.yaml

@@ -0,0 +1,12 @@
+esp32:
+  variant: esp32s3
+  framework:
+    type: esp-idf
+    advanced:
+      execute_from_psram: true
+
+psram:
+  mode: octal
+  speed: 80MHz
+
+logger: