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-rw-r--r--README18
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diff --git a/README b/README
index da15105..a0536a4 100644
--- a/README
+++ b/README
@@ -3026,6 +3026,24 @@ to save the current settings.
environment area within the total memory of your DataFlash placed
at the specified address.
+- CONFIG_ENV_IS_IN_REMOTE:
+
+ Define this if you have a remote memory space which you
+ want to use for the local device's environment.
+
+ - CONFIG_ENV_ADDR:
+ - CONFIG_ENV_SIZE:
+
+ These two #defines specify the address and size of the
+ environment area within the remote memory space. The
+ local device can get the environment from remote memory
+ space by SRIO or other links.
+
+BE CAREFUL! For some special cases, the local device can not use
+"saveenv" command. For example, the local device will get the
+environment stored in a remote NOR flash by SRIO link, but it can
+not erase, write this NOR flash by SRIO interface.
+
- CONFIG_ENV_IS_IN_NAND:
Define this if you have a NAND device which you want to use