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authorBartlomiej Sieka <tur@semihalf.com>2008-10-01 15:26:31 +0200
committerWolfgang Denk <wd@denx.de>2008-10-18 21:54:00 +0200
commit4bae90904b69ce3deb9f7c334ef12ed74e18a275 (patch)
tree609ddd18652c6289cfd43dfd6447377bd3fb12fc /README
parent3f0cf51dabacc2724731c5079a60ea989103bb8f (diff)
Automatic software update from TFTP server
The auto-update feature allows to automatically download software updates from a TFTP server and store them in Flash memory during boot. Updates are contained in a FIT file and protected with SHA-1 checksum. More detailed description can be found in doc/README.update. Signed-off-by: Rafal Czubak <rcz@semihalf.com> Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>
Diffstat (limited to 'README')
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diff --git a/README b/README
index 88023048a60..36d740ff3fe 100644
--- a/README
+++ b/README
@@ -1740,6 +1740,14 @@ The following options need to be configured:
example, some LED's) on your board. At the moment,
the following checkpoints are implemented:
+- Automatic software updates via TFTP server
+ CONFIG_UPDATE_TFTP
+ CONFIG_UPDATE_TFTP_CNT_MAX
+ CONFIG_UPDATE_TFTP_MSEC_MAX
+
+ These options enable and control the auto-update feature;
+ for a more detailed description refer to doc/README.update.
+
Legacy uImage format:
Arg Where When
@@ -2814,6 +2822,10 @@ Some configuration options can be set using Environment Variables:
allowed for use by the bootm command. See also "bootm_low"
environment variable.
+ updatefile - Location of the software update file on a TFTP server, used
+ by the automatic software update feature. Please refer to
+ documentation in doc/README.update for more details.
+
autoload - if set to "no" (any string beginning with 'n'),
"bootp" will just load perform a lookup of the
configuration from the BOOTP server, but not try to