X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fmtd%2FKconfig;h=e28ff049550bab1a30432547da0493b778d6ddb6;hb=5d68d2f41df5099f890052756f14f5a810f34312;hp=59278d1eef6b5a6156e43d3e02f06a295be3c0bb;hpb=e1cc4d31f889428a4ca73120951389c756404184;p=platform%2Fkernel%2Fu-boot.git diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index 59278d1..e28ff04 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -1,3 +1,234 @@ +menu "MTD Support" + +config MTD_PARTITIONS + bool + +config MTD + bool "Enable MTD layer" + help + Enable the MTD stack, necessary to interact with NAND, NOR, + SPI-NOR, SPI-NAND, OneNAND, etc. + +config DM_MTD + bool "Enable Driver Model for MTD drivers" + depends on DM + help + Enable driver model for Memory Technology Devices (MTD), such as + flash, RAM and similar chips, often used for solid state file + systems on embedded devices. + +config MTD_NOR_FLASH + bool "Enable parallel NOR flash support" + 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 + help + This option allows to call the function board_mtdparts_default to + dynamically build the variables mtdids and mtdparts at runtime. + +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 + for probing the capabilities of flash devices. If you wish to + support any device that is CFI-compliant, you need to enable this + option. Visit + 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 + select FLASH_CFI_DRIVER + help + The Common Flash Interface specification was developed by Intel, + AMD and other flash manufactures. It provides a universal method + for probing the capabilities of flash devices. If you wish to + support any device that is CFI-compliant, you need to enable this + option. Visit + 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 + help + This option enables the building of the cfi_mtd driver + in the drivers directory. The driver exports CFI flash + to the MTD layer. + +config SYS_FLASH_PROTECTION + bool "Use hardware flash protection" + depends on FLASH_CFI_DRIVER + help + If defined, hardware flash sectors protection is used + instead of U-Boot software protection. + +config SYS_FLASH_CFI + bool "Define extra elements in CFI for flash geometry" + depends on FLASH_CFI_DRIVER + help + 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 + NOR flash to parallel flash interface. Please find details on the + "Embedded Peripherals IP User Guide" of Altera. + +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 + help + This enables access to HyperFlash memory through the Renesas + RCar Gen3 RPC controller. + +config HBMC_AM654 + bool "HyperBus controller driver for AM65x SoC" + depends on SYSCON + help + This is the driver for HyperBus controller on TI's AM65x and + other SoCs + +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 + int "NAND max chips" + depends on MTD_RAW_NAND || CMD_ONENAND || TARGET_S5PC210_UNIVERSAL || \ + SPL_OMAP3_ID_NAND + default 1 + help + The maximum number of NAND chips per device to be supported. + source "drivers/mtd/spi/Kconfig" + +source "drivers/mtd/ubi/Kconfig" + +endmenu