-# $Id: Kconfig,v 1.11 2005/11/07 11:14:19 gleixner Exp $
-
-menu "Memory Technology Devices (MTD)"
-
-config MTD
+menuconfig MTD
tristate "Memory Technology Device (MTD) support"
+ depends on HAS_IOMEM
help
Memory Technology Devices are flash, RAM and similar chips, often
used for solid state file systems on embedded devices. This option
them. It will also allow you to select individual drivers for
particular hardware and users of MTD devices. If unsure, say N.
+if MTD
+
config MTD_DEBUG
bool "Debugging"
- depends on MTD
help
This turns on low-level debugging for the entire MTD sub-system.
Normally, you should say 'N'.
help
Determines the verbosity level of the MTD debugging messages.
+config MTD_TESTS
+ tristate "MTD tests support"
+ depends on m
+ help
+ This option includes various MTD tests into compilation. The tests
+ should normally be compiled as kernel modules. The modules perform
+ various checks and verifications when loaded.
+
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)
config MTD_PARTITIONS
bool "MTD partitioning support"
- depends on MTD
help
If you have a device which needs to divide its flash chip(s) up
into multiple 'partitions', each of which appears to the user as
You will still need the parsing functions to be called by the driver
for your particular device. It won't happen automatically. The
- 'armflash' map driver (CONFIG_MTD_ARMFLASH) does this, for example.
+ 'armflash' map driver (CONFIG_MTD_ARM_INTEGRATOR) does this, for
+ example.
+
+config MTD_OF_PARTS
+ tristate "Flash partition map based on OF description"
+ depends on (MICROBLAZE || PPC_OF) && MTD_PARTITIONS
+ help
+ This provides a partition parsing function which derives
+ the partition map from the children of the flash node,
+ as described in Documentation/powerpc/booting-without-of.txt.
+
+config MTD_AR7_PARTS
+ tristate "TI AR7 partitioning support"
+ depends on MTD_PARTITIONS
+ ---help---
+ TI AR7 partitioning support
comment "User Modules And Translation Layers"
- depends on MTD
config MTD_CHAR
tristate "Direct char device access to MTD devices"
- depends on MTD
help
This provides a character device for each MTD device present in
the system, allowing the user to read and write directly to the
memory chips, and also use ioctl() to obtain information about
the device, or to erase parts of it.
+config HAVE_MTD_OTP
+ bool
+ help
+ Enable access to OTP regions using MTD_CHAR.
+
config MTD_BLKDEVS
tristate "Common interface to block layer for MTD 'translation layers'"
- depends on MTD && BLOCK
+ depends on BLOCK
default n
config MTD_BLOCK
tristate "Caching block device access to MTD devices"
- depends on MTD && BLOCK
+ depends on BLOCK
select MTD_BLKDEVS
---help---
Although most flash chips have an erase size too large to be useful
config MTD_BLOCK_RO
tristate "Readonly block device access to MTD devices"
- depends on MTD_BLOCK!=y && MTD && BLOCK
+ depends on MTD_BLOCK!=y && BLOCK
select MTD_BLKDEVS
help
This allows you to mount read-only file systems (such as cramfs)
config FTL
tristate "FTL (Flash Translation Layer) support"
- depends on MTD && BLOCK
+ depends on BLOCK
select MTD_BLKDEVS
---help---
This provides support for the original Flash Translation Layer which
config NFTL
tristate "NFTL (NAND Flash Translation Layer) support"
- depends on MTD && BLOCK
+ depends on BLOCK
select MTD_BLKDEVS
---help---
This provides support for the NAND Flash Translation Layer which is
config INFTL
tristate "INFTL (Inverse NAND Flash Translation Layer) support"
- depends on MTD && BLOCK
+ depends on BLOCK
select MTD_BLKDEVS
---help---
This provides support for the Inverse NAND Flash Translation
config RFD_FTL
tristate "Resident Flash Disk (Flash Translation Layer) support"
- depends on MTD && BLOCK
+ depends on BLOCK
select MTD_BLKDEVS
---help---
This provides support for the flash translation layer known
config SSFDC
tristate "NAND SSFDC (SmartMedia) read only translation layer"
- depends on MTD && BLOCK
+ depends on BLOCK
select MTD_BLKDEVS
help
This enables read only access to SmartMedia formatted NAND
flash. You can mount it with FAT file system.
+config MTD_OOPS
+ tristate "Log panic/oops to an MTD buffer"
+ depends on MTD
+ help
+ This enables panic and oops messages to be logged to a circular
+ buffer in a flash partition where it can be read back at some
+ later point.
+
+ To use, add console=ttyMTDx to the kernel command line,
+ where x is the MTD device number to use.
+
source "drivers/mtd/chips/Kconfig"
source "drivers/mtd/maps/Kconfig"
source "drivers/mtd/onenand/Kconfig"
-source "drivers/mtd/ubi/Kconfig"
+source "drivers/mtd/lpddr/Kconfig"
-endmenu
+source "drivers/mtd/ubi/Kconfig"
+endif # MTD
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