zephyr/drivers/flash/Kconfig

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# Kconfig - Flash driver configuration options
#
# Copyright (c) 2016 Intel Corporation
#
# SPDX-License-Identifier: Apache-2.0
#
#
# Flash driver
#
config FLASH_HAS_DRIVER_ENABLED
bool
default n
help
This option is enabled when any flash driver is enabled.
config FLASH_HAS_PAGE_LAYOUT
bool
default n
help
This option is enabled when the SoC flash driver supports
retrieving the layout of flash memory pages.
menuconfig FLASH
bool
prompt "Flash hardware support"
default n
help
Enable support for the flash hardware.
config FLASH_PAGE_LAYOUT
bool "API for retrieving the layout of pages"
depends on FLASH && FLASH_HAS_PAGE_LAYOUT
default n
help
Enables API for retrieving the layout of flash memory pages.
config SPI_FLASH_W25QXXDV
bool
prompt "SPI NOR Flash Winbond W25QXXDV"
select FLASH_HAS_DRIVER_ENABLED
depends on SPI && FLASH
config SPI_FLASH_W25QXXDV_SPI_NAME
string
prompt "SPI controller device name"
depends on SPI_FLASH_W25QXXDV
default ""
config SPI_FLASH_W25QXXDV_DRV_NAME
string
prompt "SPI flash device name"
depends on SPI_FLASH_W25QXXDV
default "W25QXXDV"
config SPI_FLASH_W25QXXDV_INIT_PRIORITY
int
depends on SPI_FLASH_W25QXXDV
default 80
help
Device driver initialization priority.
Device is connected to SPI bus, it has to
be initialized after SPI driver.
config SPI_FLASH_W25QXXDV_SPI_FREQ_0
int "SPI system frequency"
depends on SPI_FLASH_W25QXXDV
default 8000000
help
This option sets the SPI controller's frequency. Beware this value
depends on the SPI controller being used and also on the system
clock.
config SPI_FLASH_W25QXXDV_SPI_SLAVE
int "SPI slave linked to SPI flash"
depends on SPI_FLASH_W25QXXDV
help
This option sets the SPI slave number the SPI controller has to switch
to when dealing with WinBond SPI flash chip.
config SPI_FLASH_W25QXXDV_FLASH_SIZE
int "Flash size in bytes"
depends on SPI_FLASH_W25QXXDV
default 2097152
help
This is the flash capacity in bytes.
config SPI_FLASH_W25QXXDV_MAX_DATA_LEN
int
range 1 256
depends on SPI_FLASH_W25QXXDV
default 256
help
Maximum transmit or receive data length in one user data frame.
config SOC_FLASH_QMSI
bool
prompt "QMSI flash driver"
depends on QMSI && FLASH
select FLASH_HAS_DRIVER_ENABLED
default n
help
Enable QMSI Quark flash driver.
config SOC_FLASH_QMSI_DEV_NAME
string "QMSI flash device name"
depends on SOC_FLASH_QMSI
default "QUARK_FLASH"
help
Specify the device name for the flash driver.
config SOC_FLASH_QMSI_CLK_COUNT_US
int "System clk count per microsecond"
depends on SOC_FLASH_QMSI
default 32
help
Specify the system clk cycles per microsecond.
config SOC_FLASH_QMSI_WAIT_STATES
int "The number of flash wait states"
depends on SOC_FLASH_QMSI
default 1
help
Specify the number of wait states for Quark flash.
config SOC_FLASH_QMSI_SYS_SIZE
hex "SOC system flash size"
depends on SOC_FLASH_QMSI
help
Specify system flash size on the Quark SOC.
config SOC_FLASH_QMSI_API_REENTRANCY
bool
prompt "flash driver API reentrancy for QMSI shim driver"
depends on SOC_FLASH_QMSI
default n
help
Enable support for QMSI flash driver API reentrancy.
config SOC_FLASH_NRF
bool "Nordic Semiconductor nRF flash driver"
depends on FLASH && SOC_FAMILY_NRF
default n
select FLASH_HAS_PAGE_LAYOUT
select FLASH_HAS_DRIVER_ENABLED
help
Enables Nordic Semiconductor nRF flash driver.
config SOC_FLASH_NRF_RADIO_SYNC
bool "Nordic nRFx flash driver synchronized with radio"
depends on SOC_FLASH_NRF && BT_CTLR
default y
help
Enable synchronization between flash memory driver and radio.
config SOC_FLASH_MCUX
bool "MCUX flash shim driver"
depends on FLASH && HAS_MCUX
select FLASH_HAS_PAGE_LAYOUT
select FLASH_HAS_DRIVER_ENABLED
default n
help
Enables the MCUX flash shim driver.
WARNING: This driver will disable the system interrupts for
the duration of the flash erase/write operations. This will
have an impact on the overall system performance - whether
this is acceptable or not will depend on the use case.
config SOC_FLASH_NIOS2_QSPI
bool "Nios-II QSPI flash driver"
depends on FLASH && HAS_ALTERA_HAL
default n
select FLASH_HAS_DRIVER_ENABLED
help
Enables the Nios-II QSPI flash driver.
config SOC_FLASH_NIOS2_QSPI_DEV_NAME
string "Nios-II QSPI flash device name"
depends on SOC_FLASH_NIOS2_QSPI
default "NIOS2_QSPI_FLASH"
help
Specify the device name for the QSPI flash driver.
source "drivers/flash/Kconfig.stm32"
source "drivers/flash/Kconfig.sam0"