| # 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. |