f2bf06fd78
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>
101 lines
2.3 KiB
Plaintext
101 lines
2.3 KiB
Plaintext
config BR2_TARGET_ROOTFS_UBIFS
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bool "ubifs root filesystem"
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help
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Build a ubifs root filesystem
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config BR2_TARGET_ROOTFS_UBIFS_LEBSIZE
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hex "UBI logical erase block size"
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depends on BR2_TARGET_ROOTFS_UBIFS
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default 0x1f800
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config BR2_TARGET_ROOTFS_UBIFS_MINIOSIZE
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hex "UBI minimum I/O size"
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depends on BR2_TARGET_ROOTFS_UBIFS
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default 0x800
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help
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Some comment required here
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config BR2_TARGET_ROOTFS_UBIFS_MAXLEBCNT
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int "Maximum LEB count"
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depends on BR2_TARGET_ROOTFS_UBIFS
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default 2048
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help
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Some comment required here
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choice
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prompt "ubifs runtime compression"
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default BR2_TARGET_ROOTFS_UBIFS_RT_LZO
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depends on BR2_TARGET_ROOTFS_UBIFS
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help
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Select which compression format to use at run-time within
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the ubifs file system.
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config BR2_TARGET_ROOTFS_UBIFS_RT_NONE
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bool "no compression"
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help
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Don't use run-time compression.
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config BR2_TARGET_ROOTFS_UBIFS_RT_ZLIB
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bool "gzip"
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help
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Use zlib compression at run-time.
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config BR2_TARGET_ROOTFS_UBIFS_RT_LZO
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bool "lzo"
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help
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Use lzo compression at run-time.
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endchoice
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choice
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prompt "Compression method"
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default BR2_TARGET_ROOTFS_UBIFS_NONE
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depends on BR2_TARGET_ROOTFS_UBIFS
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help
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Select which compression format to compress the final image
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into.
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config BR2_TARGET_ROOTFS_UBIFS_NONE
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bool "no compression"
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help
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Do not compress the ubifs filesystem.
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config BR2_TARGET_ROOTFS_UBIFS_GZIP
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bool "gzip"
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help
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Do compress the ubifs filesystem with gzip.
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config BR2_TARGET_ROOTFS_UBIFS_BZIP2
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bool "bzip2"
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help
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Do compress the ubifs filesystem with bzip2.
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config BR2_TARGET_ROOTFS_UBIFS_LZMA
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bool "lzma"
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help
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Do compress the ubifs filesystem with lzma.
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endchoice
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config BR2_TARGET_ROOTFS_UBI
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depends on BR2_TARGET_ROOTFS_UBIFS
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bool "Embed into an UBI image"
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help
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Build an ubi image from the ubifs one (with ubinize).
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config BR2_TARGET_ROOTFS_UBI_PEBSIZE
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hex "UBI physical erase block size"
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depends on BR2_TARGET_ROOTFS_UBI
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default 0x20000
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help
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Tells ubinize the physical eraseblock size of the flash chip
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the ubi image is created for.
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config BR2_TARGET_ROOTFS_UBI_SUBSIZE
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int "UBI sub-page size"
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depends on BR2_TARGET_ROOTFS_UBI
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default 512
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help
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Tells ubinize that the flash supports sub-pages and the sub-page
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size. Use 0 if subpages are not supported on flash chip.
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