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896a74f615
To speed up conversion to CONFIG_BLK, enable it by default when DM_MMC is enabled. Signed-off-by: Simon Glass <sjg@chromium.org>
30 lines
1.1 KiB
Plaintext
30 lines
1.1 KiB
Plaintext
config BLK
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bool "Support block devices"
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depends on DM
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default y if DM_MMC
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help
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Enable support for block devices, such as SCSI, MMC and USB
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flash sticks. These provide a block-level interface which permits
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reading, writing and (in some cases) erasing blocks. Block
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devices often have a partition table which allows the device to
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be partitioned into several areas, called 'partitions' in U-Boot.
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A filesystem can be placed in each partition.
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config AHCI
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bool "Support SATA controllers with driver model"
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depends on DM
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help
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This enables a uclass for disk controllers in U-Boot. Various driver
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types can use this, such as AHCI/SATA. It does not provide any standard
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operations at present. The block device interface has not been converted
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to driver model.
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config BLOCK_CACHE
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bool "Use block device cache"
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default n
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help
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This option enables a disk-block cache for all block devices.
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This is most useful when accessing filesystems under U-Boot since
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it will prevent repeated reads from directory structures and other
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filesystem data structures.
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