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diff --git a/doc/README.nand b/doc/README.nand
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+++ b/doc/README.nand
@@ -180,6 +180,17 @@ Configuration Options:
flexibility, so that one day we can eliminate the old mechanism.
+ CONFIG_SYS_NAND_ONFI_DETECTION
+ Enables detection of ONFI compliant devices during probe.
+ And fetching device parameters flashed on device, by parsing
+ ONFI parameter page.
+
+ CONFIG_BCH
+ Enables software based BCH ECC algorithm present in lib/bch.c
+ This is used by SoC platforms which do not have built-in ELM
+ hardware engine required for BCH ECC correction.
+
+
Platform specific options
=========================
CONFIG_NAND_OMAP_GPMC