:orphan:

.. title:: CONFIG_ESP_SPIRAM_SIZE

.. kconfig:: CONFIG_ESP_SPIRAM_SIZE

CONFIG_ESP_SPIRAM_SIZE
######################

*Size of SPIRAM part*

*Size of SPIRAM part*

Type: ``int``

Help
====

.. code-block:: none

    Specify size of SPIRAM part.
    NOTE: If SPIRAM size is greater than 4MB, only
    lower 4MB can be allocated using k_malloc().

Help
====

.. code-block:: none

    Specify size of SPIRAM part.
    NOTE: If SPIRAM size is greater than 4MB, only
    lower 4MB can be allocated using k_malloc().

Direct dependencies
===================

(\ :kconfig:`ESP_SPIRAM <CONFIG_ESP_SPIRAM>` && \ :kconfig:`SOC_ESP32 <CONFIG_SOC_ESP32>` && \ :ref:`<choice: SoC/CPU/Configuration Selection> <choice_41>`) || (\ :kconfig:`ESP_SPIRAM <CONFIG_ESP_SPIRAM>` && \ :kconfig:`SOC_ESP32 <CONFIG_SOC_ESP32>` && \ :ref:`<choice: SoC/CPU/Configuration Selection> <choice_41>`)

*(Includes any dependencies from ifs and menus.)*

Defaults
========

- 2097152 if \ :kconfig:`SPIRAM_TYPE_ESPPSRAM16 <CONFIG_SPIRAM_TYPE_ESPPSRAM16>`
- 4194304 if \ :kconfig:`SPIRAM_TYPE_ESPPSRAM32 <CONFIG_SPIRAM_TYPE_ESPPSRAM32>`
- 8388608 if \ :kconfig:`SPIRAM_TYPE_ESPPSRAM64 <CONFIG_SPIRAM_TYPE_ESPPSRAM64>`
- 2097152 if \ :kconfig:`SPIRAM_TYPE_ESPPSRAM16 <CONFIG_SPIRAM_TYPE_ESPPSRAM16>`
- 4194304 if \ :kconfig:`SPIRAM_TYPE_ESPPSRAM32 <CONFIG_SPIRAM_TYPE_ESPPSRAM32>`
- 8388608 if \ :kconfig:`SPIRAM_TYPE_ESPPSRAM64 <CONFIG_SPIRAM_TYPE_ESPPSRAM64>`

Kconfig definitions
===================



At ``<Zephyr SoC>/xtensa/esp32/Kconfig.soc:78``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:38`` → ``<Zephyr SoC>/Kconfig:7`` → ``<BuildDir>/kconfig/Kconfig.soc:1``

Menu path: (Top) → SoC/CPU/Configuration Selection → ESP32 → Support for external, SPI-connected RAM → SPI RAM config

.. code-block:: kconfig

    config ESP_SPIRAM_SIZE
    	int "Size of SPIRAM part"
    	default 2097152 if SPIRAM_TYPE_ESPPSRAM16
    	default 4194304 if SPIRAM_TYPE_ESPPSRAM32
    	default 8388608 if SPIRAM_TYPE_ESPPSRAM64
    	depends on ESP_SPIRAM && SOC_ESP32 && <choice>
    	help
    	  Specify size of SPIRAM part.
    	  NOTE: If SPIRAM size is greater than 4MB, only
    	  lower 4MB can be allocated using k_malloc().

----

At ``<Zephyr SoC>/xtensa/esp32/Kconfig.soc:78``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:38`` → ``<Zephyr SoC>/Kconfig:9``

Menu path: (Top) → SoC/CPU/Configuration Selection → ESP32 → Support for external, SPI-connected RAM → SPI RAM config

.. code-block:: kconfig

    config ESP_SPIRAM_SIZE
    	int "Size of SPIRAM part"
    	default 2097152 if SPIRAM_TYPE_ESPPSRAM16
    	default 4194304 if SPIRAM_TYPE_ESPPSRAM32
    	default 8388608 if SPIRAM_TYPE_ESPPSRAM64
    	depends on ESP_SPIRAM && SOC_ESP32 && <choice>
    	help
    	  Specify size of SPIRAM part.
    	  NOTE: If SPIRAM size is greater than 4MB, only
    	  lower 4MB can be allocated using k_malloc().

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*