2016-02-19 02:52:19 +08:00
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# Kconfig - flash driver configuration options
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#
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# Copyright (c) 2016 Intel Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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#
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# flash driver
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#
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menuconfig FLASH
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bool
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prompt "flash hardware support"
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default n
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help
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Enable support for the flash hardware.
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2016-02-23 02:48:08 +08:00
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config SPI_FLASH_W25QXXDV
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bool
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prompt "SPI NOR Flash Winbond W25QXXDV"
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depends on SPI && FLASH
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config SPI_FLASH_W25QXXDV_SPI_NAME
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string
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prompt "spi controller device name"
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depends on SPI_FLASH_W25QXXDV
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default ""
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config SPI_FLASH_W25QXXDV_DRV_NAME
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string
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prompt "spi flash device name"
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depends on SPI_FLASH_W25QXXDV
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default "W25QXXDV"
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config SPI_FLASH_W25QXXDV_INIT_PRIORITY
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int
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depends on SPI_FLASH_W25QXXDV
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default 80
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help
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Device driver initialization priority.
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Device is connected to SPI bus, it has to
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be initialized after SPI driver.
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config SPI_FLASH_W25QXXDV_SPI_FREQ_0
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int "SPI system frequency"
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depends on SPI_FLASH_W25QXXDV
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default 4
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help
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This option sets the SPI controller's frequency. Beware this value
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depends on the SPI controller being used and also on the system
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clock.
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config SPI_FLASH_W25QXXDV_SPI_SLAVE
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int "SPI slave linked to spi flash"
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depends on SPI_FLASH_W25QXXDV
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help
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This option sets the SPI slave number the SPI controller has to switch
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to when dealing with WinBond SPI flash chip.
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config SPI_FLASH_W25QXXDV_FLASH_SIZE
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int "flash size in bytes"
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depends on SPI_FLASH_W25QXXDV
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default 2097152
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help
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This is the flash capacity in bytes.
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config SPI_FLASH_W25QXXDV_MAX_DATA_LEN
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int
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range 1 256
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depends on SPI_FLASH_W25QXXDV
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default 256
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help
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Maximum transmit or receive data length in one user data frame.
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