xref: /openbmc/u-boot/doc/README.video (revision 3765b3e7)
1/*
2 * (C) Copyright 2000
3 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
4 *
5 * SPDX-License-Identifier:	GPL-2.0+
6 */
7
8U-Boot MPC8xx video controller driver
9======================================
10
11The driver has been tested with the following configurations:
12
13- MPC823FADS with AD7176 on a PAL TV (YCbYCr)	- arsenio@tin.it
14- GENIETV    with AD7177 on a PAL TV (YCbYCr)	- arsenio@tin.it
15
16
17"video-mode" environment variable
18===============================
19
20The 'video-mode' environment variable can be used to enable and configure
21some video drivers.  The format matches the video= command-line option used
22for Linux:
23
24	video-mode=<driver>:<xres>x<yres>-<depth>@<freq><,option=string>
25
26	<driver>	The video driver name, ignored by U-Boot
27	<xres>		The X resolution (in pixels) to use.
28	<yres>		The Y resolution (in pixels) to use.
29	<depth>		The color depth (in bits) to use.
30	<freq>		The frequency (in Hz) to use.
31	<options>	A comma-separated list of device-specific options
32
33Example: video-mode=fslfb:1280x1024-32@60,monitor=dvi
34