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| -rw-r--r-- | doc/README.falcon | 9 |
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 ----------------- |