X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fmtd%2FKconfig;h=e28ff049550bab1a30432547da0493b778d6ddb6;hb=5d68d2f41df5099f890052756f14f5a810f34312;hp=83c055a26ef5d5af706fc0f3228d107da19cf314;hpb=ea67f467a43e4c8852bd1ce1bb75f5dc6c3788d1;p=platform%2Fkernel%2Fu-boot.git diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index 83c055a..e28ff04 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -22,6 +22,14 @@ config MTD_NOR_FLASH 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 @@ -31,6 +39,7 @@ config SYS_MTDPARTS_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 @@ -39,6 +48,35 @@ config FLASH_CFI_DRIVER 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 @@ -51,12 +89,27 @@ config CFI_FLASH 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 @@ -79,9 +132,17 @@ config SYS_FLASH_CFI 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 @@ -91,10 +152,23 @@ config ALTERA_QSPI 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 @@ -109,6 +183,40 @@ config HBMC_AM654 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