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 MTD_PARTITIONS 26 bool "Add MTD Partioning infrastructure" 27 help 28 Adds the MTD partitioning infrastructure from the Linux 29 kernel. Needed for UBI support. 30 31config FLASH_CFI_DRIVER 32 bool "Enable CFI Flash driver" 33 help 34 The Common Flash Interface specification was developed by Intel, 35 AMD and other flash manufactures. It provides a universal method 36 for probing the capabilities of flash devices. If you wish to 37 support any device that is CFI-compliant, you need to enable this 38 option. Visit <http://www.amd.com/products/nvd/overview/cfi.html> 39 for more information on CFI. 40 41config CFI_FLASH 42 bool "Enable Driver Model for CFI Flash driver" 43 depends on MTD 44 help 45 The Common Flash Interface specification was developed by Intel, 46 AMD and other flash manufactures. It provides a universal method 47 for probing the capabilities of flash devices. If you wish to 48 support any device that is CFI-compliant, you need to enable this 49 option. Visit <http://www.amd.com/products/nvd/overview/cfi.html> 50 for more information on CFI. 51 52config SYS_FLASH_USE_BUFFER_WRITE 53 bool "Enable buffered writes to flash" 54 depends on FLASH_CFI_DRIVER 55 help 56 Use buffered writes to flash. 57 58config FLASH_CFI_MTD 59 bool "Enable CFI MTD driver" 60 depends on FLASH_CFI_DRIVER 61 help 62 This option enables the building of the cfi_mtd driver 63 in the drivers directory. The driver exports CFI flash 64 to the MTD layer. 65 66config SYS_FLASH_PROTECTION 67 bool "Use hardware flash protection" 68 depends on FLASH_CFI_DRIVER 69 help 70 If defined, hardware flash sectors protection is used 71 instead of U-Boot software protection. 72 73config SYS_FLASH_CFI 74 bool "Define extra elements in CFI for flash geometry" 75 depends on FLASH_CFI_DRIVER 76 help 77 Define if the flash driver uses extra elements in the 78 common flash structure for storing flash geometry. 79 80config ALTERA_QSPI 81 bool "Altera Generic Quad SPI Controller" 82 depends on MTD 83 help 84 This enables access to Altera EPCQ/EPCS flash chips using the 85 Altera Generic Quad SPI Controller. The controller converts SPI 86 NOR flash to parallel flash interface. Please find details on the 87 "Embedded Peripherals IP User Guide" of Altera. 88 89config FLASH_PIC32 90 bool "Microchip PIC32 Flash driver" 91 depends on MACH_PIC32 && MTD 92 help 93 This enables access to Microchip PIC32 internal non-CFI flash 94 chips through PIC32 Non-Volatile-Memory Controller. 95 96config RENESAS_RPC_HF 97 bool "Renesas RCar Gen3 RPC Hyperflash driver" 98 depends on RCAR_GEN3 && MTD 99 help 100 This enables access to Hyperflash memory through the Renesas 101 RCar Gen3 RPC controller. 102 103source "drivers/mtd/nand/Kconfig" 104 105source "drivers/mtd/spi/Kconfig" 106 107source "drivers/mtd/ubi/Kconfig" 108 109endmenu 110