:orphan:

.. title:: ETH_STM32_HAL_USE_DTCM_FOR_DMA_BUFFER

.. option:: CONFIG_ETH_STM32_HAL_USE_DTCM_FOR_DMA_BUFFER

*Use DTCM for DMA buffers*

Type: ``bool``

Help
====

When this option is activated, the buffers for DMA transfer are
moved from SRAM to the DTCM (Data Tightly Coupled Memory).

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

\ :option:`SOC_SERIES_STM32F7X <CONFIG_SOC_SERIES_STM32F7X>` && \ :option:`ETH_STM32_HAL <CONFIG_ETH_STM32_HAL>` && \ :option:`NET_L2_ETHERNET <CONFIG_NET_L2_ETHERNET>`

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

Default
=======

- y

Kconfig definition
==================

.. highlight:: kconfig

At ``drivers/ethernet/Kconfig.stm32_hal:38``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``drivers/Kconfig:20`` → ``drivers/ethernet/Kconfig:52``

Menu path: (Top) → Device Drivers → Ethernet Drivers → STM32 HAL Ethernet driver

.. parsed-literal::

    config ETH_STM32_HAL_USE_DTCM_FOR_DMA_BUFFER
    	bool "Use DTCM for DMA buffers"
    	default y
    	depends on \ :option:`SOC_SERIES_STM32F7X <CONFIG_SOC_SERIES_STM32F7X>` && \ :option:`ETH_STM32_HAL <CONFIG_ETH_STM32_HAL>` && \ :option:`NET_L2_ETHERNET <CONFIG_NET_L2_ETHERNET>`
    	help
    	  When this option is activated, the buffers for DMA transfer are
    	  moved from SRAM to the DTCM (Data Tightly Coupled Memory).

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