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docs: Improve docs for FDT address passing
This patch updates FW_JUMP and FW_PAYLOAD documentation for the case where FW_xyz_FDT_ADDR is not specified. Signed-off-by: Liu Yibin <yibin_liu@c-sky.com> Reviewed-by: Anup Patel <anup.patel@wdc.com>
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2 changed files with 4 additions and 3 deletions
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@ -38,8 +38,8 @@ follows:
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* **FW_JUMP_FDT_ADDR** - Address where the *flattened device tree (FDT file)*
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passed by the prior booting stage will be placed in memory before executing
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the booting stage following the OpenSBI firmware. If this option is not
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provided, then the OpenSBI firmware will pass zero as the FDT address to the
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following booting stage.
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provided, then the OpenSBI firmware will pass the FDT address passed by the
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previous booting stage to the next booting stage.
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*FW_JUMP* Example
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-----------------
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@ -73,7 +73,8 @@ file. The parameters currently defined are as follows:
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stage or specified by the *FW_PAYLOAD_FDT_PATH* parameter and embedded in
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the *.text* section will be placed before executing the next booting stage,
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that is, the payload firmware. If this option is not provided, then the
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firmware will pass zero as the FDT address to the next booting stage.
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firmware will pass the FDT address passed by the previous booting stage
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to the next booting stage.
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*FW_PAYLOAD* Example
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--------------------
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