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# Kconfig - flash driver configuration options
#
# Copyright (c) 2016 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# flash driver
#
menuconfig FLASH
bool
prompt "flash hardware support"
default n
help
Enable support for the flash hardware.
config SPI_FLASH_W25QXXDV
bool
prompt "SPI NOR Flash Winbond W25QXXDV"
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 4
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.