:orphan:

.. title:: DISK_ERASE_BLOCK_SIZE

.. option:: CONFIG_DISK_ERASE_BLOCK_SIZE

*Flash device erasable block size in hex*

Type: ``hex``

Help
====

This is typically the minimum block size that
is erased at one time in flash storage.
Typically it is equal to the flash memory page size.

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

(\ :option:`DISK_ACCESS_FLASH <CONFIG_DISK_ACCESS_FLASH>` && \ :option:`BOARD_DEGU_EVK <CONFIG_BOARD_DEGU_EVK>`) || (\ :option:`DISK_ACCESS_FLASH <CONFIG_DISK_ACCESS_FLASH>` && \ :option:`SOC_FLASH_NIOS2_QSPI <CONFIG_SOC_FLASH_NIOS2_QSPI>` && \ :option:`FLASH <CONFIG_FLASH>` && \ :option:`BOARD_ALTERA_MAX10 <CONFIG_BOARD_ALTERA_MAX10>`) || (\ :option:`DISK_ACCESS_FLASH <CONFIG_DISK_ACCESS_FLASH>` && \ :option:`DISK_ACCESS <CONFIG_DISK_ACCESS>`)

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

Defaults
========

- 0x1000
- 0x10000

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

.. highlight:: kconfig

At ``boards/arm/degu_evk/Kconfig.defconfig:50``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:18``

Menu path: (Top)

.. parsed-literal::

    config DISK_ERASE_BLOCK_SIZE
    	hex
    	default 0x1000
    	depends on \ :option:`DISK_ACCESS_FLASH <CONFIG_DISK_ACCESS_FLASH>` && \ :option:`BOARD_DEGU_EVK <CONFIG_BOARD_DEGU_EVK>`

----

At ``boards/nios2/altera_max10/Kconfig.defconfig:29``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:18``

Menu path: (Top)

.. parsed-literal::

    config DISK_ERASE_BLOCK_SIZE
    	hex
    	default 0x10000
    	depends on \ :option:`DISK_ACCESS_FLASH <CONFIG_DISK_ACCESS_FLASH>` && \ :option:`SOC_FLASH_NIOS2_QSPI <CONFIG_SOC_FLASH_NIOS2_QSPI>` && \ :option:`FLASH <CONFIG_FLASH>` && \ :option:`BOARD_ALTERA_MAX10 <CONFIG_BOARD_ALTERA_MAX10>`

----

At ``subsys/disk/Kconfig:75``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:19``

Menu path: (Top) → Sub Systems and OS Services → Disk Interface → Flash

.. parsed-literal::

    config DISK_ERASE_BLOCK_SIZE
    	hex "Flash device erasable block size in hex"
    	depends on \ :option:`DISK_ACCESS_FLASH <CONFIG_DISK_ACCESS_FLASH>` && \ :option:`DISK_ACCESS <CONFIG_DISK_ACCESS>`
    	help
    	  This is typically the minimum block size that
    	  is erased at one time in flash storage.
    	  Typically it is equal to the flash memory page size.

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