diff options
Diffstat (limited to 'doc/README.falcon')
| -rw-r--r-- | doc/README.falcon | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/README.falcon b/doc/README.falcon index 6357b1e593..82a254b2e2 100644 --- a/doc/README.falcon +++ b/doc/README.falcon @@ -80,6 +80,19 @@ 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) +falcon_args_file : Filename to load as the 'args' portion of falcon mode + rather than the hard-coded value. +falcon_image_file : Filename to load as the OS image portion of falcon + mode rather than the hard-coded value. Using spl command ----------------- |