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| author | Tom Rini <trini@ti.com> | 2014-03-28 12:03:40 -0400 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-04-17 14:39:54 -0400 |
| commit | 3523df0078b08e43b868da0680e617e75eca2581 (patch) | |
| tree | fa5a30937927c3510e878fa0c74ff142eead00fa /doc/README.falcon | |
| parent | 9607faf20ae48d1a8ad28d9bb2880b9a8eeed872 (diff) | |
| download | u-boot-imx-3523df0078b08e43b868da0680e617e75eca2581.zip u-boot-imx-3523df0078b08e43b868da0680e617e75eca2581.tar.gz u-boot-imx-3523df0078b08e43b868da0680e617e75eca2581.tar.bz2 | |
README.falcon: Document environment variables for falcon mode
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'doc/README.falcon')
| -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 6357b1e..bccf6c9 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 ----------------- |