kumquat-buildroot/fs/ubifs/Config.in
Julien Boibessot f2bf06fd78 ubifs: Add UBI image generation support.
UBI images are generated from UBIFS one (with ubinize tool) and are used by
bootloaders (eg U-Boot) to write UBIFS images directly on bare NAND FLASH
(see http://www.linux-mtd.infradead.org/faq/ubi.html).

[Peter: tweak help text]
Signed-off-by: Julien Boibessot <julien.boibessot@armadeus.com>
Signed-off-by: Nicolas Colombain <nicolas.colombain@armadeus.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-01-11 22:39:05 +01:00

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config BR2_TARGET_ROOTFS_UBIFS
bool "ubifs root filesystem"
help
Build a ubifs root filesystem
config BR2_TARGET_ROOTFS_UBIFS_LEBSIZE
hex "UBI logical erase block size"
depends on BR2_TARGET_ROOTFS_UBIFS
default 0x1f800
config BR2_TARGET_ROOTFS_UBIFS_MINIOSIZE
hex "UBI minimum I/O size"
depends on BR2_TARGET_ROOTFS_UBIFS
default 0x800
help
Some comment required here
config BR2_TARGET_ROOTFS_UBIFS_MAXLEBCNT
int "Maximum LEB count"
depends on BR2_TARGET_ROOTFS_UBIFS
default 2048
help
Some comment required here
choice
prompt "ubifs runtime compression"
default BR2_TARGET_ROOTFS_UBIFS_RT_LZO
depends on BR2_TARGET_ROOTFS_UBIFS
help
Select which compression format to use at run-time within
the ubifs file system.
config BR2_TARGET_ROOTFS_UBIFS_RT_NONE
bool "no compression"
help
Don't use run-time compression.
config BR2_TARGET_ROOTFS_UBIFS_RT_ZLIB
bool "gzip"
help
Use zlib compression at run-time.
config BR2_TARGET_ROOTFS_UBIFS_RT_LZO
bool "lzo"
help
Use lzo compression at run-time.
endchoice
choice
prompt "Compression method"
default BR2_TARGET_ROOTFS_UBIFS_NONE
depends on BR2_TARGET_ROOTFS_UBIFS
help
Select which compression format to compress the final image
into.
config BR2_TARGET_ROOTFS_UBIFS_NONE
bool "no compression"
help
Do not compress the ubifs filesystem.
config BR2_TARGET_ROOTFS_UBIFS_GZIP
bool "gzip"
help
Do compress the ubifs filesystem with gzip.
config BR2_TARGET_ROOTFS_UBIFS_BZIP2
bool "bzip2"
help
Do compress the ubifs filesystem with bzip2.
config BR2_TARGET_ROOTFS_UBIFS_LZMA
bool "lzma"
help
Do compress the ubifs filesystem with lzma.
endchoice
config BR2_TARGET_ROOTFS_UBI
depends on BR2_TARGET_ROOTFS_UBIFS
bool "Embed into an UBI image"
help
Build an ubi image from the ubifs one (with ubinize).
config BR2_TARGET_ROOTFS_UBI_PEBSIZE
hex "UBI physical erase block size"
depends on BR2_TARGET_ROOTFS_UBI
default 0x20000
help
Tells ubinize the physical eraseblock size of the flash chip
the ubi image is created for.
config BR2_TARGET_ROOTFS_UBI_SUBSIZE
int "UBI sub-page size"
depends on BR2_TARGET_ROOTFS_UBI
default 512
help
Tells ubinize that the flash supports sub-pages and the sub-page
size. Use 0 if subpages are not supported on flash chip.