2018-05-30 00:15:15 +08:00
|
|
|
#
|
|
|
|
|
# Copyright (c) 2018 Intel Corporation
|
|
|
|
|
#
|
|
|
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
|
|
|
#
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
menuconfig SPI_FLASH_W25QXXDV
|
|
|
|
|
bool
|
|
|
|
|
prompt "SPI NOR Flash Winbond W25QXXDV"
|
|
|
|
|
select FLASH_HAS_DRIVER_ENABLED
|
|
|
|
|
depends on SPI && FLASH
|
|
|
|
|
|
|
|
|
|
if SPI_FLASH_W25QXXDV
|
|
|
|
|
|
|
|
|
|
config SPI_FLASH_W25QXXDV_SPI_NAME
|
|
|
|
|
string
|
|
|
|
|
prompt "SPI controller device name"
|
|
|
|
|
|
|
|
|
|
config SPI_FLASH_W25QXXDV_DRV_NAME
|
|
|
|
|
string
|
|
|
|
|
prompt "SPI flash device name"
|
|
|
|
|
default "W25QXXDV"
|
|
|
|
|
|
|
|
|
|
config SPI_FLASH_W25QXXDV_INIT_PRIORITY
|
|
|
|
|
int
|
|
|
|
|
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"
|
|
|
|
|
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"
|
|
|
|
|
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_GPIO_SPI_CS
|
|
|
|
|
bool "Manage SPI CS through a GPIO pin"
|
|
|
|
|
help
|
|
|
|
|
This option is useful if one needs to manage SPI CS through a GPIO
|
|
|
|
|
pin to by-pass the SPI controller's CS logic.
|
|
|
|
|
|
|
|
|
|
config SPI_FLASH_W25QXXDV_GPIO_SPI_CS_DRV_NAME
|
|
|
|
|
string "GPIO driver's name to use to drive SPI CS through"
|
|
|
|
|
depends on SPI_FLASH_W25QXXDV_GPIO_SPI_CS
|
|
|
|
|
help
|
|
|
|
|
This option is mandatory to set which GPIO controller to use in order
|
|
|
|
|
to actually emulate the SPI CS.
|
|
|
|
|
|
|
|
|
|
config SPI_FLASH_W25QXXDV_GPIO_SPI_CS_PIN
|
|
|
|
|
int "GPIO PIN to use to drive SPI CS through"
|
|
|
|
|
default 0
|
|
|
|
|
depends on SPI_FLASH_W25QXXDV_GPIO_SPI_CS
|
|
|
|
|
help
|
|
|
|
|
This option is mandatory to set which GPIO pin to use in order
|
|
|
|
|
to actually emulate the SPI CS.
|
|
|
|
|
|
2018-06-19 22:40:44 +08:00
|
|
|
config SPI_FLASH_W25QXXDV_GPIO_CS_WAIT_DELAY
|
|
|
|
|
int "Delay time in us"
|
|
|
|
|
default 0
|
|
|
|
|
depends on SPI_FLASH_W25QXXDV_GPIO_SPI_CS
|
|
|
|
|
help
|
|
|
|
|
This is the wait delay (in us) to allow for CS switching to take effect
|
|
|
|
|
|
2018-05-30 00:15:15 +08:00
|
|
|
config SPI_FLASH_W25QXXDV_FLASH_SIZE
|
|
|
|
|
int "Flash size in bytes"
|
|
|
|
|
default 2097152
|
|
|
|
|
help
|
|
|
|
|
This is the flash capacity in bytes.
|
|
|
|
|
|
2018-06-19 22:40:44 +08:00
|
|
|
config SPI_FLASH_W25QXXDV_DEVICE_ID
|
|
|
|
|
hex "Device ID in hex"
|
|
|
|
|
default 0x00ef4015
|
|
|
|
|
help
|
|
|
|
|
This is the device ID of the flash chip to use, which is 0x00ef4015 for
|
|
|
|
|
the W25QXXDV
|
|
|
|
|
|
2018-05-30 00:15:15 +08:00
|
|
|
endif # SPI_FLASH_W25QXXDV
|
