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-rw-r--r--drivers/block/Kconfig16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index d6d1c6e32c..b5b482086a 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -218,3 +218,19 @@ config IDE_RESET
must be defined in a board-specific file.
endif # IDE
+
+config LBA48
+ bool "Enable LBA support for disks larger than 137GB"
+ depends on HAVE_BLOCK_DEVICE
+ help
+ Set this to enable support for disks larger than 137GB.
+ Also look at CONFIG_SYS_64BIT_LBA. Without both of these, LBA48
+ support uses 32bit variables and will 'only' support disks up to
+ 2.1TB.
+
+config SYS_64BIT_LBA
+ bool "Enable 64bit number of blocks on a block device"
+ depends on HAVE_BLOCK_DEVICE
+ help
+ Make the block subsystem use 64bit sector addresses, rather than the
+ default of 32bit.