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splash_source: add support for filesystem formatted mmc

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Add support for loading splash image from an SD card formatted with
a filesystem. Update boards to maintain original behavior where needed.

Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Tom Rini <trini@konsulko.com>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
This commit is contained in:
Nikita Kiryanov
2015-10-29 11:54:41 +02:00
committed by Stefano Babic
parent bcbb6448b9
commit 870dd3095f
5 changed files with 72 additions and 1 deletions
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doc/README.splashprepare
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@@ -19,3 +19,8 @@ splashsource works as follows:
use that splash location.
- If splashsource is undefined, use the first splash location as default.
- If splashsource is set to an unsupported value, do not load a splash screen.
A splash source location can describe either storage with raw data, or storage
formatted with a file system. In case of a filesystem, the splash screen data is
loaded as a file. The name of the splash screen file can be controlled with the
environment variable "splashfile".