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ed4a0ccb6e
cfi_mtd requires add_mtd_device() which is available only when MTD is enabled that's why record this dependency. Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/76ae01ce2b2c988758b69e0f0cdcc21bf301c01e.1688472227.git.michal.simek@amd.com
275 lines
8.2 KiB
Text
275 lines
8.2 KiB
Text
menu "MTD Support"
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config MTD_PARTITIONS
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bool
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config MTD
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bool "Enable MTD layer"
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help
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Enable the MTD stack, necessary to interact with NAND, NOR,
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SPI-NOR, SPI-NAND, OneNAND, etc.
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config DM_MTD
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bool "Enable Driver Model for MTD drivers"
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depends on DM
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help
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Enable driver model for Memory Technology Devices (MTD), such as
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flash, RAM and similar chips, often used for solid state file
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systems on embedded devices.
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config MTD_NOR_FLASH
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bool "Enable parallel NOR flash support"
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help
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Enable support for parallel NOR flash.
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config MTD_CONCAT
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bool "Enable MTD device concatenation"
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depends on MTD
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help
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Enable support for concatenating multiple physical MTD devices
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into a single logical device. The larger logical device can then
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be partitioned.
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config SYS_MTDPARTS_RUNTIME
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bool "Allow MTDPARTS to be configured at runtime"
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depends on MTD
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help
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This option allows to call the function board_mtdparts_default to
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dynamically build the variables mtdids and mtdparts at runtime.
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config FLASH_CFI_DRIVER
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bool "Enable CFI Flash driver"
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select USE_SYS_MAX_FLASH_BANKS
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help
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The Common Flash Interface specification was developed by Intel,
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AMD and other flash manufactures. It provides a universal method
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for probing the capabilities of flash devices. If you wish to
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support any device that is CFI-compliant, you need to enable this
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option. Visit <http://www.amd.com/products/nvd/overview/cfi.html>
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for more information on CFI.
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choice
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prompt "Data-width of the flash device"
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depends on FLASH_CFI_DRIVER
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default SYS_FLASH_CFI_WIDTH_8BIT
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config SYS_FLASH_CFI_WIDTH_8BIT
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bool "Data-width of the device is 8-bit"
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config SYS_FLASH_CFI_WIDTH_16BIT
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bool "Data-width of the device is 16-bit"
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config SYS_FLASH_CFI_WIDTH_32BIT
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bool "Data-width of the device is 32-bit"
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config SYS_FLASH_CFI_WIDTH_64BIT
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bool "Data-width of the device is 64-bit"
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endchoice
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config SYS_FLASH_CFI_WIDTH
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hex
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depends on FLASH_CFI_DRIVER
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default 0x1 if SYS_FLASH_CFI_WIDTH_8BIT
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default 0x2 if SYS_FLASH_CFI_WIDTH_16BIT
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default 0x4 if SYS_FLASH_CFI_WIDTH_32BIT
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default 0x8 if SYS_FLASH_CFI_WIDTH_64BIT
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help
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This must be kept in sync with the table in include/flash.h
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config FLASH_SHOW_PROGRESS
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int "Print out a countdown durinng writes"
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depends on FLASH_CFI_DRIVER
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default 45
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help
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If set to a non-zero value, print out countdown digits and dots.
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Recommended value: 45 (9..1) for 80 column displays, 15 (3..1) for 40
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column displays.
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config CFI_FLASH
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bool "Enable Driver Model for CFI Flash driver"
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depends on DM_MTD
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select FLASH_CFI_DRIVER
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help
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The Common Flash Interface specification was developed by Intel,
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AMD and other flash manufactures. It provides a universal method
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for probing the capabilities of flash devices. If you wish to
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support any device that is CFI-compliant, you need to enable this
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option. Visit <http://www.amd.com/products/nvd/overview/cfi.html>
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for more information on CFI.
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config CFI_FLASH_USE_WEAK_ACCESSORS
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bool "Allow read/write functions to be overridden"
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depends on FLASH_CFI_DRIVER
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help
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Enable this option to allow for the flash_{read,write}{8,16,32,64}
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functions to be overridden by the platform.
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config SYS_CFI_FLASH_STATUS_POLL
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bool "Poll status on AMD flash chips"
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depends on FLASH_CFI_DRIVER
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config SYS_FLASH_USE_BUFFER_WRITE
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bool "Enable buffered writes to flash"
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depends on FLASH_CFI_DRIVER
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help
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Use buffered writes to flash.
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config SYS_FLASH_EMPTY_INFO
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bool "Enable displaying empty sectors in flash info"
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depends on FLASH_CFI_DRIVER
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config FLASH_SPANSION_S29WS_N
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bool "Non-standard s29ws-n MirrorBit flash"
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depends on FLASH_CFI_DRIVER
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help
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Enable this if the s29ws-n MirrorBit flash has non-standard addresses
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for buffered write commands.
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config FLASH_CFI_MTD
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bool "Enable CFI MTD driver"
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depends on FLASH_CFI_DRIVER && MTD
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help
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This option enables the building of the cfi_mtd driver
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in the drivers directory. The driver exports CFI flash
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to the MTD layer.
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config SYS_FLASH_PROTECTION
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bool "Use hardware flash protection"
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depends on FLASH_CFI_DRIVER
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help
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If defined, hardware flash sectors protection is used
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instead of U-Boot software protection.
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config SYS_FLASH_CFI
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bool "Define extra elements in CFI for flash geometry"
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depends on FLASH_CFI_DRIVER
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help
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Define if the flash driver uses extra elements in the
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common flash structure for storing flash geometry.
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config SYS_FLASH_QUIET_TEST
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bool "Disable printing a warning about not recognizing some flash banks"
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depends on FLASH_CFI_DRIVER
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help
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If this option is enabled, the common CFI flash doesn't print it's
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warning upon not recognized FLASH banks. This is useful, if some of
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the configured banks are only optionally available.
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config SYS_FLASH_CHECKSUM
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bool "Compute and print flash CRC if 'flashchecksum' is set in the environment"
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depends on MTD_NOR_FLASH
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help
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If the variable flashchecksum is set in the environment, perform a CRC
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of the flash and print the value to console.
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config FLASH_VERIFY
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bool "Compare writes to NOR flash with source location"
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depends on MTD_NOR_FLASH
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help
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If enabled, the content of the flash (destination) is compared
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against the source after the write operation. An error message will
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be printed when the contents are not identical. Please note that
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this option is useless in nearly all cases, since such flash
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programming errors usually are detected earlier while
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unprotecting/erasing/programming. Please only enable this option if
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you really know what you are doing.
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config ALTERA_QSPI
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bool "Altera Generic Quad SPI Controller"
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depends on DM_MTD
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select USE_SYS_MAX_FLASH_BANKS
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help
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This enables access to Altera EPCQ/EPCS flash chips using the
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Altera Generic Quad SPI Controller. The controller converts SPI
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NOR flash to parallel flash interface. Please find details on the
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"Embedded Peripherals IP User Guide" of Altera.
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config RENESAS_RPC_HF
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bool "Renesas RCar Gen3 RPC HyperFlash driver"
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depends on RCAR_GEN3 && DM_MTD
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help
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This enables access to HyperFlash memory through the Renesas
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RCar Gen3 RPC controller.
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config HBMC_AM654
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bool "HyperBus controller driver for AM65x SoC"
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depends on SYSCON
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help
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This is the driver for HyperBus controller on TI's AM65x and
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other SoCs
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config STM32_FLASH
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bool "STM32 MCU Flash driver"
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depends on ARCH_STM32
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select USE_SYS_MAX_FLASH_BANKS
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help
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This is the driver of embedded flash for some STMicroelectronics
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STM32 MCU.
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config SYS_MAX_FLASH_SECT
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int "Maximumm number of sectors on a flash chip"
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depends on MTD_NOR_FLASH || FLASH_CFI_DRIVER
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default 512
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config SAMSUNG_ONENAND
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bool "Samsung OneNAND driver support"
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config USE_SYS_MAX_FLASH_BANKS
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bool "Enable Max number of Flash memory banks"
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help
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When this option is enabled, the CONFIG_SYS_MAX_FLASH_BANKS
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will be defined.
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config SYS_MAX_FLASH_BANKS
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int "Max number of Flash memory banks"
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depends on USE_SYS_MAX_FLASH_BANKS
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default 1
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help
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Max number of Flash memory banks using by the MTD framework, in the
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flash CFI driver and in some other driver to define the flash_info
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struct declaration.
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config SYS_MAX_FLASH_BANKS_DETECT
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bool "Detection of flash banks number in CFI driver"
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depends on CFI_FLASH && FLASH_CFI_DRIVER
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help
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This enables detection of number of flash banks in CFI driver,
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to reduce the effective number of flash bank, between 0 and
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CONFIG_SYS_MAX_FLASH_BANKS
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source "drivers/mtd/nand/Kconfig"
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config SYS_NAND_MAX_OOBFREE
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int "Maximum number of free OOB regions supported"
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depends on SAMSUNG_ONENAND || MTD_RAW_NAND
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range 2 32
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default 32
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help
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Set the maximum number of free OOB regions supported. Useful for
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reducing image size, especially with SPL.
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config SYS_NAND_MAX_ECCPOS
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int "Maximum number of ECC bytes supported"
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depends on SAMSUNG_ONENAND || MTD_RAW_NAND
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range 48 2147483647
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default 680
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help
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Set the maximum number of ECC bytes supported. Useful for reducing
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image size, especially with SPL.
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config SYS_NAND_MAX_CHIPS
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int "NAND max chips"
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depends on MTD_RAW_NAND || CMD_ONENAND || TARGET_S5PC210_UNIVERSAL || \
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SPL_OMAP3_ID_NAND
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default 1
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help
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The maximum number of NAND chips per device to be supported.
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source "drivers/mtd/spi/Kconfig"
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source "drivers/mtd/ubi/Kconfig"
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source "drivers/mtd/nvmxip/Kconfig"
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endmenu
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