2 bool "Support block devices"
6 Enable support for block devices, such as SCSI, MMC and USB
7 flash sticks. These provide a block-level interface which permits
8 reading, writing and (in some cases) erasing blocks. Block
9 devices often have a partition table which allows the device to
10 be partitioned into several areas, called 'partitions' in U-Boot.
11 A filesystem can be placed in each partition.
14 bool "Support SATA controllers with driver model"
17 This enables a uclass for disk controllers in U-Boot. Various driver
18 types can use this, such as AHCI/SATA. It does not provide any standard
19 operations at present. The block device interface has not been converted
23 bool "Use block device cache"
26 This option enables a disk-block cache for all block devices.
27 This is most useful when accessing filesystems under U-Boot since
28 it will prevent repeated reads from directory structures and other
29 filesystem data structures.