add command fitupd to run an update from a FIT image
Command calls update_tftp() analogous to automatic update described
in doc/README.update.
Usage:
fitupd [addr]
- run update from FIT image at addr
or from tftp 'updatefile'
Signed-off-by: Andreas Pretzsch <apr@cn-eng.de>
diff --git a/doc/README.update b/doc/README.update
index 48f03b7..a7f4d9e 100644
--- a/doc/README.update
+++ b/doc/README.update
@@ -51,6 +51,11 @@
to be prepared. Refer to the doc/uImage.FIT/ directory for more details on FIT
images.
+This mechanism can be also triggered by the commmand "fitupd".
+If an optional, non-zero address is provided as argument, the TFTP transfer
+is skipped and the image at this address is used.
+The fitupd command is enabled by CONFIG_CMD_FITUPD.
+
Example .its files
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