X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmtd%2FKconfig;h=26f75c29944017e53bb42ca7316d64550a993e65;hb=refs%2Fheads%2Fvserver;hp=f0aaaa225fb58eb02ca7cda6c4c49d149fad66eb;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig index f0aaaa225..26f75c299 100644 --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig @@ -1,4 +1,4 @@ -# $Id: Kconfig,v 1.6 2004/08/09 13:19:42 dwmw2 Exp $ +# $Id: Kconfig,v 1.11 2005/11/07 11:14:19 gleixner Exp $ menu "Memory Technology Devices (MTD)" @@ -10,7 +10,7 @@ config MTD will provide the generic support for MTD drivers to register themselves with the kernel and for potential users of MTD devices to enumerate the devices which are present and obtain a handle on - them. It will also allow you to select individual drivers for + them. It will also allow you to select individual drivers for particular hardware and users of MTD devices. If unsure, say N. config MTD_DEBUG @@ -27,6 +27,15 @@ config MTD_DEBUG_VERBOSE help Determines the verbosity level of the MTD debugging messages. +config MTD_CONCAT + tristate "MTD concatenating support" + depends on MTD + help + Support for concatenating several MTD devices into a single + (virtual) one. This allows you to have -for example- a JFFS(2) + file system spanning multiple physical flash chips. If unsure, + say 'Y'. + config MTD_PARTITIONS bool "MTD partitioning support" depends on MTD @@ -40,43 +49,51 @@ config MTD_PARTITIONS devices. Partitioning on NFTL 'devices' is a different - that's the 'normal' form of partitioning used on a block device. -config MTD_CONCAT - tristate "MTD concatenating support" - depends on MTD - help - Support for concatenating several MTD devices into a single - (virtual) one. This allows you to have -for example- a JFFS(2) - file system spanning multiple physical flash chips. If unsure, - say 'Y'. - config MTD_REDBOOT_PARTS tristate "RedBoot partition table parsing" depends on MTD_PARTITIONS ---help--- RedBoot is a ROM monitor and bootloader which deals with multiple - 'images' in flash devices by putting a table in the last erase - block of the device, similar to a partition table, which gives + 'images' in flash devices by putting a table one of the erase + blocks on the device, similar to a partition table, which gives the offsets, lengths and names of all the images stored in the flash. If you need code which can detect and parse this table, and register MTD 'partitions' corresponding to each image in the table, enable - this option. + this option. You will still need the parsing functions to be called by the driver - for your particular device. It won't happen automatically. The - SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for + for your particular device. It won't happen automatically. The + SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for example. +config MTD_REDBOOT_DIRECTORY_BLOCK + int "Location of RedBoot partition table" + depends on MTD_REDBOOT_PARTS + default "-1" + ---help--- + This option is the Linux counterpart to the + CYGNUM_REDBOOT_FIS_DIRECTORY_BLOCK RedBoot compile time + option. + + The option specifies which Flash sectors holds the RedBoot + partition table. A zero or positive value gives an absolute + erase block number. A negative value specifies a number of + sectors before the end of the device. + + For example "2" means block number 2, "-1" means the last + block and "-2" means the penultimate block. + config MTD_REDBOOT_PARTS_UNALLOCATED - bool " Include unallocated flash regions" + bool "Include unallocated flash regions" depends on MTD_REDBOOT_PARTS help If you need to register each unallocated flash region as a MTD 'partition', enable this option. config MTD_REDBOOT_PARTS_READONLY - bool " Force read-only for RedBoot system images" + bool "Force read-only for RedBoot system images" depends on MTD_REDBOOT_PARTS help If you need to force read-only for 'RedBoot', 'RedBoot Config' and @@ -84,15 +101,15 @@ config MTD_REDBOOT_PARTS_READONLY config MTD_CMDLINE_PARTS bool "Command line partition table parsing" - depends on MTD_PARTITIONS = "y" + depends on MTD_PARTITIONS = "y" && MTD = "y" ---help--- - Allow generic configuration of the MTD paritition tables via the kernel + Allow generic configuration of the MTD partition tables via the kernel command line. Multiple flash resources are supported for hardware where - different kinds of flash memory are available. + different kinds of flash memory are available. You will still need the parsing functions to be called by the driver - for your particular device. It won't happen automatically. The - SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for + for your particular device. It won't happen automatically. The + SA1100 map driver (CONFIG_MTD_SA1100) has an option for this, for example. The format for the command line is as follows: @@ -101,12 +118,12 @@ config MTD_CMDLINE_PARTS := :[,] := [@offset][][ro] := unique id used in mapping driver/device - := standard linux memsize OR "-" to denote all + := standard linux memsize OR "-" to denote all remaining space := (NAME) - Due to the way Linux handles the command line, no spaces are - allowed in the partition definition, including mtd id's and partition + Due to the way Linux handles the command line, no spaces are + allowed in the partition definition, including mtd id's and partition names. Examples: @@ -147,9 +164,15 @@ config MTD_CHAR memory chips, and also use ioctl() to obtain information about the device, or to erase parts of it. +config MTD_BLKDEVS + tristate "Common interface to block layer for MTD 'translation layers'" + depends on MTD && BLOCK + default n + config MTD_BLOCK tristate "Caching block device access to MTD devices" - depends on MTD + depends on MTD && BLOCK + select MTD_BLKDEVS ---help--- Although most flash chips have an erase size too large to be useful as block devices, it is possible to use MTD devices which are based @@ -171,7 +194,8 @@ config MTD_BLOCK config MTD_BLOCK_RO tristate "Readonly block device access to MTD devices" - depends on MTD_BLOCK!=y && MTD + depends on MTD_BLOCK!=y && MTD && BLOCK + select MTD_BLKDEVS help This allows you to mount read-only file systems (such as cramfs) from an MTD device, without the overhead (and danger) of the caching @@ -182,7 +206,8 @@ config MTD_BLOCK_RO config FTL tristate "FTL (Flash Translation Layer) support" - depends on MTD + depends on MTD && BLOCK + select MTD_BLKDEVS ---help--- This provides support for the original Flash Translation Layer which is part of the PCMCIA specification. It uses a kind of pseudo- @@ -198,7 +223,8 @@ config FTL config NFTL tristate "NFTL (NAND Flash Translation Layer) support" - depends on MTD + depends on MTD && BLOCK + select MTD_BLKDEVS ---help--- This provides support for the NAND Flash Translation Layer which is used on M-Systems' DiskOnChip devices. It uses a kind of pseudo- @@ -221,9 +247,10 @@ config NFTL_RW config INFTL tristate "INFTL (Inverse NAND Flash Translation Layer) support" - depends on MTD + depends on MTD && BLOCK + select MTD_BLKDEVS ---help--- - This provides support for the Inverse NAND Flash Translation + This provides support for the Inverse NAND Flash Translation Layer which is used on M-Systems' newer DiskOnChip devices. It uses a kind of pseudo-file system on a flash device to emulate a block device with 512-byte sectors, on top of which you put @@ -236,6 +263,25 @@ config INFTL permitted to copy, modify and distribute the code as you wish. Just not use it. +config RFD_FTL + tristate "Resident Flash Disk (Flash Translation Layer) support" + depends on MTD && BLOCK + select MTD_BLKDEVS + ---help--- + This provides support for the flash translation layer known + as the Resident Flash Disk (RFD), as used by the Embedded BIOS + of General Software. There is a blurb at: + + http://www.gensw.com/pages/prod/bios/rfd.htm + +config SSFDC + tristate "NAND SSFDC (SmartMedia) read only translation layer" + depends on MTD && BLOCK + select MTD_BLKDEVS + help + This enables read only access to SmartMedia formatted NAND + flash. You can mount it with FAT file system. + source "drivers/mtd/chips/Kconfig" source "drivers/mtd/maps/Kconfig" @@ -244,5 +290,7 @@ source "drivers/mtd/devices/Kconfig" source "drivers/mtd/nand/Kconfig" +source "drivers/mtd/onenand/Kconfig" + endmenu