net: fec: use correct sizes to clear and flush descriptors

[karo-tx-uboot.git] / doc / README.update

diff --git a/doc/README.update b/doc/README.update
index a4760025bff0d84f7971f8b6c4edb36ae1d0482b..a7f4d9ebe5ddddb317f8ac50c85ee3839e65201b 100644 (file)
--- a/doc/README.update
+++ b/doc/README.update
@@ -39,11 +39,11 @@ The auto-update feature uses the following configuration knobs:
   These knobs control the timeouts during initial connection to the TFTP
   server. Since a transfer is attempted during each boot, it is undesirable to
   have a long delay when a TFTP server is not present.
-  CONFIG_UPDATE_TFTP_MSEC_MAX specifies the number of seconds to wait for the
-  server to respond to initial connection, and CONFIG_UPDATE_TFTP_CNT_MAX
+  CONFIG_UPDATE_TFTP_MSEC_MAX specifies the number of milliseconds to wait for
+  the server to respond to initial connection, and CONFIG_UPDATE_TFTP_CNT_MAX
   gives the number of such connection retries. CONFIG_UPDATE_TFTP_CNT_MAX must
   be non-negative and is 0 by default, CONFIG_UPDATE_TFTP_MSEC_MAX must be
-  positive and is 1 by default.
+  positive and is 100 by default.
 
 Since the update file is in FIT format, it is created from an *.its file using
 the mkimage tool. dtc tool with support for binary includes, e.g. in version
@@ -51,6 +51,11 @@ the mkimage tool. dtc tool with support for binary includes, e.g. in version
 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
 ------------------