summaryrefslogtreecommitdiff
path: root/doc
diff options
context:
space:
mode:
authorTom Rini <trini@ti.com>2014-03-28 12:03:40 -0400
committerTom Rini <trini@ti.com>2014-04-17 14:39:54 -0400
commit3523df0078b08e43b868da0680e617e75eca2581 (patch)
treefa5a30937927c3510e878fa0c74ff142eead00fa /doc
parent9607faf20ae48d1a8ad28d9bb2880b9a8eeed872 (diff)
README.falcon: Document environment variables for falcon mode
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'doc')
-rw-r--r--doc/README.falcon9
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/README.falcon b/doc/README.falcon
index 6357b1e593..bccf6c95c8 100644
--- a/doc/README.falcon
+++ b/doc/README.falcon
@@ -80,6 +80,15 @@ spl_start_uboot() : required
Returns "0" if SPL should start the kernel, "1" if U-Boot
must be started.
+Environment variables
+---------------------
+
+A board may chose to look at the environment for decisions about falcon
+mode. In this case the following variables may be supported:
+
+boot_os : Set to yes/Yes/true/True/1 to enable booting to OS,
+ any other value to fall back to U-Boot (including
+ unset)
Using spl command
-----------------