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-rw-r--r--doc/README.fdt-control6
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/README.fdt-control b/doc/README.fdt-control
index 8352835..5963f78 100644
--- a/doc/README.fdt-control
+++ b/doc/README.fdt-control
@@ -142,7 +142,11 @@ join the two:
and then flash image.bin onto your board.
-You cannot use both of these options at the same time.
+If CONFIG_OF_HOSTFILE is defined, then it will be read from a file on
+startup. This is only useful for sandbox. Use the -d flag to U-Boot to
+specify the file to read.
+
+You cannot use more than one of these options at the same time.
If you wish to put the fdt at a different address in memory, you can
define the "fdtcontroladdr" environment variable. This is the hex