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common: convert compulab splash load code to common code

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Move board/compulab/common/splash.c code to
common/splash_source.c to make it available for everybody. This move
renames cl_splash_screen_prepare() to splash_source_load(), and
the compilation of this code is conditional on CONFIG_SPLASH_SOURCE.

splash_source features:
* Provide a standardized way for declaring board specific splash screen
  locations
* Provide existing routines for auto loading the splash image from the
  locations as declared by the board
* Introduce the "splashsource" environment variable, which makes it
  possible to select the splash image source.

cm-t35 and cm-fx6 are updated to use the modified version.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@ti.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Tom Rini <trini@ti.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
This commit is contained in:
Nikita Kiryanov
2015-01-14 10:42:54 +02:00
committed by Stefano Babic
parent 3a236a3563
commit f82eb2fa5d
10 changed files with 48 additions and 30 deletions
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11
include/splash.h
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@@ -22,7 +22,18 @@
#ifndef _SPLASH_H_
#define _SPLASH_H_
enum splash_storage {
SPLASH_STORAGE_NAND,
SPLASH_STORAGE_SF,
};
struct splash_location {
char *name;
enum splash_storage storage;
u32 offset; /* offset from start of storage */
};
int splash_source_load(struct splash_location *locations, uint size);
int splash_screen_prepare(void);
#ifdef CONFIG_SPLASH_SCREEN_ALIGN