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@@ -118,7 +118,12 @@ after each run of 'spl export'. Unfortunately the position of temporary
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storage can not be predicted nor provided at commandline, it depends
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highly on your system setup and your provided data (ATAGS or FDT).
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However at the end of an succesful 'spl export' run it will print the
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-RAM address of temporary storage.
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+RAM address of temporary storage. The RAM address of FDT will also be
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+set in the environment variable 'fdtargsaddr', the new length of the
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+prepared FDT will be set in the environment variable 'fdtargslen'.
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+These environment variables can be used in scripts for writing updated
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+FDT to persistent storage.
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+
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Now the user have to save the generated BLOB from that printed address
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to the pre-defined address in persistent storage
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(CONFIG_CMD_SPL_NAND_OFS in case of NAND).
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