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Diffstat (limited to 'doc/README.video')
| -rw-r--r-- | doc/README.video | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/README.video b/doc/README.video index 34e199c..0c04bea 100644 --- a/doc/README.video +++ b/doc/README.video @@ -28,3 +28,22 @@ The driver has been tested with the following configurations: - MPC823FADS with AD7176 on a PAL TV (YCbYCr) - arsenio@tin.it - GENIETV with AD7177 on a PAL TV (YCbYCr) - arsenio@tin.it + + +"video-mode" environment variable +=============================== + +The 'video-mode' environment variable can be used to enable and configure +some video drivers. The format matches the video= command-line option used +for Linux: + + video-mode=<driver>:<xres>x<yres>-<depth>@<freq><,option=string> + + <driver> The video driver name, ignored by U-Boot + <xres> The X resolution (in pixels) to use. + <yres> The Y resolution (in pixels) to use. + <depth> The color depth (in bits) to use. + <freq> The frequency (in Hz) to use. + <options> A comma-separated list of device-specific options + +Example: video-mode=fslfb:1280x1024-32@60,monitor=dvi |