help
Enable support for parallel NOR flash.
+config MTD_CONCAT
+ bool "Enable MTD device concatenation"
+ depends on MTD
+ help
+ Enable support for concatenating multiple physical MTD devices
+ into a single logical device. The larger logical device can then
+ be partitioned.
+
config SYS_MTDPARTS_RUNTIME
bool "Allow MTDPARTS to be configured at runtime"
depends on MTD
config FLASH_CFI_DRIVER
bool "Enable CFI Flash driver"
+ select USE_SYS_MAX_FLASH_BANKS
help
The Common Flash Interface specification was developed by Intel,
AMD and other flash manufactures. It provides a universal method
option. Visit <http://www.amd.com/products/nvd/overview/cfi.html>
for more information on CFI.
+choice
+ prompt "Data-width of the flash device"
+ depends on FLASH_CFI_DRIVER
+ default SYS_FLASH_CFI_WIDTH_8BIT
+
+config SYS_FLASH_CFI_WIDTH_8BIT
+ bool "Data-width of the device is 8-bit"
+
+config SYS_FLASH_CFI_WIDTH_16BIT
+ bool "Data-width of the device is 16-bit"
+
+config SYS_FLASH_CFI_WIDTH_32BIT
+ bool "Data-width of the device is 32-bit"
+
+config SYS_FLASH_CFI_WIDTH_64BIT
+ bool "Data-width of the device is 64-bit"
+
+endchoice
+
+config SYS_FLASH_CFI_WIDTH
+ hex
+ depends on FLASH_CFI_DRIVER
+ default 0x1 if SYS_FLASH_CFI_WIDTH_8BIT
+ default 0x2 if SYS_FLASH_CFI_WIDTH_16BIT
+ default 0x4 if SYS_FLASH_CFI_WIDTH_32BIT
+ default 0x8 if SYS_FLASH_CFI_WIDTH_64BIT
+ help
+ This must be kept in sync with the table in include/flash.h
+
config CFI_FLASH
bool "Enable Driver Model for CFI Flash driver"
depends on DM_MTD
option. Visit <http://www.amd.com/products/nvd/overview/cfi.html>
for more information on CFI.
+config CFI_FLASH_USE_WEAK_ACCESSORS
+ bool "Allow read/write functions to be overridden"
+ depends on FLASH_CFI_DRIVER
+ help
+ Enable this option to allow for the flash_{read,write}{8,16,32,64}
+ functions to be overridden by the platform.
+
+config SYS_CFI_FLASH_STATUS_POLL
+ bool "Poll status on AMD flash chips"
+ depends on FLASH_CFI_DRIVER
+
config SYS_FLASH_USE_BUFFER_WRITE
bool "Enable buffered writes to flash"
depends on FLASH_CFI_DRIVER
help
Use buffered writes to flash.
+config SYS_FLASH_EMPTY_INFO
+ bool "Enable displaying empty sectors in flash info"
+ depends on FLASH_CFI_DRIVER
+
config FLASH_CFI_MTD
bool "Enable CFI MTD driver"
depends on FLASH_CFI_DRIVER
Define if the flash driver uses extra elements in the
common flash structure for storing flash geometry.
+config SYS_FLASH_CHECKSUM
+ bool "Compute and print flash CRC if 'flashchecksum' is set in the environment"
+ depends on MTD_NOR_FLASH
+ help
+ If the variable flashchecksum is set in the environment, perform a CRC
+ of the flash and print the value to console.
+
config ALTERA_QSPI
bool "Altera Generic Quad SPI Controller"
depends on DM_MTD
+ select USE_SYS_MAX_FLASH_BANKS
help
This enables access to Altera EPCQ/EPCS flash chips using the
Altera Generic Quad SPI Controller. The controller converts SPI
config FLASH_PIC32
bool "Microchip PIC32 Flash driver"
depends on MACH_PIC32 && DM_MTD
+ select USE_SYS_MAX_FLASH_BANKS
help
This enables access to Microchip PIC32 internal non-CFI flash
chips through PIC32 Non-Volatile-Memory Controller.
+config SYS_FLASH_ERASE_TOUT
+ int "Timeout in ms for performing an erase operation on the flash"
+ depends on FLASH_PIC32
+ help
+ Timeout for Flash erase operations (in ms)
+
+config SYS_FLASH_WRITE_TOUT
+ int "Timeout in ms for performing a write operation on the flash"
+ depends on FLASH_PIC32
+ help
+ Timeout for Flash write operations (in ms)
+
config RENESAS_RPC_HF
bool "Renesas RCar Gen3 RPC HyperFlash driver"
depends on RCAR_GEN3 && DM_MTD
config STM32_FLASH
bool "STM32 MCU Flash driver"
depends on ARCH_STM32
+ select USE_SYS_MAX_FLASH_BANKS
help
This is the driver of embedded flash for some STMicroelectronics
STM32 MCU.
+config SAMSUNG_ONENAND
+ bool "Samsung OneNAND driver support"
+
+config USE_SYS_MAX_FLASH_BANKS
+ bool "Enable Max number of Flash memory banks"
+ help
+ When this option is enabled, the CONFIG_SYS_MAX_FLASH_BANKS
+ will be defined.
+
+config SYS_MAX_FLASH_BANKS
+ int "Max number of Flash memory banks"
+ depends on USE_SYS_MAX_FLASH_BANKS
+ default 1
+ help
+ Max number of Flash memory banks using by the MTD framework, in the
+ flash CFI driver and in some other driver to define the flash_info
+ struct declaration.
+
+config SYS_MAX_FLASH_BANKS_DETECT
+ bool "Detection of flash banks number in CFI driver"
+ depends on CFI_FLASH && FLASH_CFI_DRIVER
+ help
+ This enables detection of number of flash banks in CFI driver,
+ to reduce the effective number of flash bank, between 0 and
+ CONFIG_SYS_MAX_FLASH_BANKS
+
source "drivers/mtd/nand/Kconfig"
config SYS_NAND_MAX_CHIPS
projects / platform / kernel / u-boot.git / blobdiff