summaryrefslogtreecommitdiff
path: root/README
diff options
context:
space:
mode:
authorDoug Anderson <dianders@chromium.org>2011-07-13 14:33:32 -0700
committerSimon Glass <sjg@chromium.org>2011-08-29 10:58:55 -0700
commite336c3847646d91dfec8baa22f84f429b68c7241 (patch)
treea27f844f97dce7b90f9310aa0254926aa4538d66 /README
parent45fa8192bffa521a03abffc4b91c850586bbf25a (diff)
CHROMIUM: ARM: Allow the FDT to specify that the env loads early.
This is intended for using with the 'legacy' image to allow us to update the enviroment shipped with the image. BUG=chromium-os:17196 TEST=With ebuild changes, saw that legacy firmware loaded env and non-legacy got default. Change-Id: Iee19df02123ab2502e4803c25c94318b0e834f6d Reviewed-on: http://gerrit.chromium.org/gerrit/4056 Tested-by: Doug Anderson <dianders@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'README')
-rw-r--r--README12
1 files changed, 7 insertions, 5 deletions
diff --git a/README b/README
index 77220edc98..3468db04cb 100644
--- a/README
+++ b/README
@@ -2537,11 +2537,13 @@ Configuration Settings:
cases. This setting can be used to tune behaviour; see
lib/hashtable.c for details.
-- CONFIG_DELAY_ENVIRONMENT
- Normally the environment is loaded when the board is
- intialized so that it is available to U-Boot. This inhibits
- that so that the environment is not available until
- explicitly loaded later by U-Boot code.
+- CONFIG_OF_LOAD_ENVIRONMENT
+ If this variable is defined, U-Boot will use the device tree
+ setting in "/config/load_env" to decide whether to load the
+ environment when the board is intialized so that it is
+ available to U-Boot. If the setting isn't found or is 0, the
+ environment is not available until explicitly loaded later by
+ U-Boot code.
The following definitions that deal with the placement and management
of environment data (variable area); in general, we support the