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-rw-r--r--doc/README.pxe7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/README.pxe b/doc/README.pxe
index 8363383c53..bd175eb22d 100644
--- a/doc/README.pxe
+++ b/doc/README.pxe
@@ -155,6 +155,13 @@ fdt <path> - if this label is chosen, use tftp to retrieve the fdt blob
the fdt_addr_r environment variable, and that address will
be passed to bootm.
+fdtdir <path> - if this label is chosen, use tftp to retrieve a fdt blob
+ relative to <path>. If the fdtfile environment variable
+ is set, <path>/<fdtfile> is retrieved. Otherwise, the
+ filename is generated from the soc and board environment
+ variables, i.e. <path>/<soc>-<board>.dtb is retrieved.
+ If the fdt command is specified, fdtdir is ignored.
+
localboot <flag> - Run the command defined by "localcmd" in the environment.
<flag> is ignored and is only here to match the syntax of
PXELINUX config files.
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