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4 The splash_screen_prepare() function is a weak function defined in
5 common/splash.c. It is called as part of the splash screen display
6 sequence. It gives the board an opportunity to prepare the splash
7 image data before it is processed and sent to the frame buffer by
8 U-Boot. Define your own version to use this feature.
12 Use the splash_source.c library. This library provides facilities to declare
13 board specific splash image locations, routines for loading splash image from
14 supported locations, and a way of controlling the selected splash location
15 using the "splashsource" environment variable.
17 splashsource works as follows:
18 - If splashsource is set to a supported location name as defined by board code,
19 use that splash location.
20 - If splashsource is undefined, use the first splash location as default.
21 - If splashsource is set to an unsupported value, do not load a splash screen.
23 A splash source location can describe either storage with raw data, a storage
24 formatted with a file system or a FIT image. In case of a filesystem, the splash
25 screen data is loaded as a file. The name of the splash screen file can be
26 controlled with the environment variable "splashfile".
28 To enable loading the splash image from a FIT image, CONFIG_FIT must be
29 enabled. The FIT image has to start at the 'offset' field address in the
30 selected splash location. The name of splash image within the FIT shall be
31 specified by the environment variable "splashfile".
33 In case the environment variable "splashfile" is not defined the default name
34 'splash.bmp' will be used.