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lcd: add option for board specific splash screen preparation

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Currently there is no logical place to put the code that prepares the
splash image data. The splash image data should be ready in memory
before bmp_display() is called, and after the environment is ready
(since lcd.c looks for the splash image in an address specified by
the environment variable "splashimage").

Our window of opportunity in board_init_r() is therefore: between
env_relocate() and bmp_display(), and from the available options
only the lcd related functions in drv_lcd_init() seem appropriate
for such lcd oriented code.

Add the option to prepare the splash image data in lcd_logo() right
before it is sent to be displayed.

Cc: Anatolij Gustschin <agust@denx.de>
Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
This commit is contained in:
Nikita Kiryanov 2013-01-30 21:39:57 +00:00 • committed by Tom Rini
parent bcc6cc9b37
commit 581bb41980
3 changed files with 24 additions and 0 deletions
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15
common/lcd.c
View file

@ -1034,6 +1034,18 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
}
#endif
#ifdef CONFIG_SPLASH_SCREEN_PREPARE
static inline int splash_screen_prepare(void)
{
return board_splash_screen_prepare();
}
#else
static inline int splash_screen_prepare(void)
{
return 0;
}
#endif
static void *lcd_logo(void)
{
#ifdef CONFIG_SPLASH_SCREEN
@ -1045,6 +1057,9 @@ static void *lcd_logo(void)
int x = 0, y = 0;
do_splash = 0;
if (splash_screen_prepare())
return (void *)gd->fb_base;
addr = simple_strtoul (s, NULL, 16);
#ifdef CONFIG_SPLASH_SCREEN_ALIGN
s = getenv("splashpos");