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-rw-r--r--doc/README.nand10
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/README.nand b/doc/README.nand
index 913e9b50b8..3a507b6c81 100644
--- a/doc/README.nand
+++ b/doc/README.nand
@@ -104,6 +104,16 @@ Configuration Options:
CONFIG_SYS_MAX_NAND_DEVICE
The maximum number of NAND devices you want to support.
+ CONFIG_SYS_NAND_MAX_ECCPOS
+ If specified, overrides the maximum number of ECC bytes
+ supported. Useful for reducing image size, especially with SPL.
+ This must be at least 48 if nand_base.c is used.
+
+ CONFIG_SYS_NAND_MAX_OOBFREE
+ If specified, overrides the maximum number of free OOB regions
+ supported. Useful for reducing image size, especially with SPL.
+ This must be at least 2 if nand_base.c is used.
+
CONFIG_SYS_NAND_MAX_CHIPS
The maximum number of NAND chips per device to be supported.
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