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| author | Simon Glass <sjg@chromium.org> | 2015-03-02 12:40:50 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-04-16 19:27:40 -0600 |
| commit | 5692ccfacae05175ffa5a8e9c12ef7bda3631433 (patch) | |
| tree | d4d572fc337e0e34ad37f05ecb00a278c5ca5bfd /doc | |
| parent | 892ff8e972efc7d4f42750e4fdbb2c2fefb78229 (diff) | |
| download | talos-obmc-uboot-5692ccfacae05175ffa5a8e9c12ef7bda3631433.tar.gz talos-obmc-uboot-5692ccfacae05175ffa5a8e9c12ef7bda3631433.zip | |
x86: video: Allow keyboard presence to be controlled by device tree
At present a VGA console assumes a keyboard unless a CONFIG option is set.
This difference can be dealt with by a device tree option, allowing boards
that are otherwise the same to use the same configuration.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.fdt-control | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/doc/README.fdt-control b/doc/README.fdt-control index d8fe4a826f..e6d5ed0bb6 100644 --- a/doc/README.fdt-control +++ b/doc/README.fdt-control @@ -171,6 +171,22 @@ After board configuration is done, fdt supported u-boot can be build in two ways $ make DEVICE_TREE=<dts-file-name> +Configuration Options +--------------------- + +A number of run-time configuration options are provided in the /config node +of the control device tree. You can access these using fdtdec_get_config_int(), +fdtdec_get_config_bool() and fdtdec_get_config_string(). + +Available options are: + +silent-console + If present and non-zero, the console is silenced by default on boot. + +no-keyboard + Tells U-Boot not to expect an attached keyboard with a VGA console + + Limitations ----------- |
