1menu "MTD Support" 2 3config MTD_PARTITIONS 4 bool 5 6config MTD 7 bool "Enable Driver Model for MTD drivers" 8 depends on DM 9 help 10 Enable driver model for Memory Technology Devices (MTD), such as 11 flash, RAM and similar chips, often used for solid state file 12 systems on embedded devices. 13 14config MTD_NOR_FLASH 15 bool "Enable parallel NOR flash support" 16 help 17 Enable support for parallel NOR flash. 18 19config MTD_DEVICE 20 bool "Enable MTD Device for NAND and ONENAND devices" 21 help 22 Adds the MTD device infrastructure from the Linux kernel. 23 Needed for mtdparts command support. 24 25config FLASH_CFI_DRIVER 26 bool "Enable CFI Flash driver" 27 help 28 The Common Flash Interface specification was developed by Intel, 29 AMD and other flash manufactures. It provides a universal method 30 for probing the capabilities of flash devices. If you wish to 31 support any device that is CFI-compliant, you need to enable this 32 option. Visit <http://www.amd.com/products/nvd/overview/cfi.html> 33 for more information on CFI. 34 35config CFI_FLASH 36 bool "Enable Driver Model for CFI Flash driver" 37 depends on MTD 38 help 39 The Common Flash Interface specification was developed by Intel, 40 AMD and other flash manufactures. It provides a universal method 41 for probing the capabilities of flash devices. If you wish to 42 support any device that is CFI-compliant, you need to enable this 43 option. Visit <http://www.amd.com/products/nvd/overview/cfi.html> 44 for more information on CFI. 45 46config SYS_FLASH_USE_BUFFER_WRITE 47 bool "Enable buffered writes to flash" 48 depends on FLASH_CFI_DRIVER 49 help 50 Use buffered writes to flash. 51 52config FLASH_CFI_MTD 53 bool "Enable CFI MTD driver" 54 depends on FLASH_CFI_DRIVER 55 help 56 This option enables the building of the cfi_mtd driver 57 in the drivers directory. The driver exports CFI flash 58 to the MTD layer. 59 60config SYS_FLASH_PROTECTION 61 bool "Use hardware flash protection" 62 depends on FLASH_CFI_DRIVER 63 help 64 If defined, hardware flash sectors protection is used 65 instead of U-Boot software protection. 66 67config SYS_FLASH_CFI 68 bool "Define extra elements in CFI for flash geometry" 69 depends on FLASH_CFI_DRIVER 70 help 71 Define if the flash driver uses extra elements in the 72 common flash structure for storing flash geometry. 73 74config ALTERA_QSPI 75 bool "Altera Generic Quad SPI Controller" 76 depends on MTD 77 help 78 This enables access to Altera EPCQ/EPCS flash chips using the 79 Altera Generic Quad SPI Controller. The controller converts SPI 80 NOR flash to parallel flash interface. Please find details on the 81 "Embedded Peripherals IP User Guide" of Altera. 82 83config FLASH_PIC32 84 bool "Microchip PIC32 Flash driver" 85 depends on MACH_PIC32 && MTD 86 help 87 This enables access to Microchip PIC32 internal non-CFI flash 88 chips through PIC32 Non-Volatile-Memory Controller. 89 90config RENESAS_RPC_HF 91 bool "Renesas RCar Gen3 RPC Hyperflash driver" 92 depends on RCAR_GEN3 && MTD 93 help 94 This enables access to Hyperflash memory through the Renesas 95 RCar Gen3 RPC controller. 96 97source "drivers/mtd/nand/Kconfig" 98 99source "drivers/mtd/spi/Kconfig" 100 101source "drivers/mtd/ubi/Kconfig" 102 103endmenu 104