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video: add an option to skip cfb console init

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This patch add an option to skip cfb console init for boards
who want to show a logo, but not use the cfb console. This is
needed for the siemens boards, which have a bmp bootlogo, but
do not need the cfb console.

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
[agust: use '__weak int board_cfb_skip(void)']
Signed-off-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Heiko Schocher 2013-08-03 07:22:53 +02:00 committed by Anatolij Gustschin
parent 3d192be9ad
commit 2bc4aa5227
1 changed files with 15 additions and 0 deletions
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15
drivers/video/cfb_console.c
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@ -431,6 +431,16 @@ static const int video_font_draw_table32[16][4] = {
{0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff}
};
/*
* Implement a weak default function for boards that optionally
* need to skip the cfb initialization.
*/
__weak int board_cfb_skip(void)
{
/* As default, don't skip cfb init */
return 0;
}
static void video_drawchars(int xx, int yy, unsigned char *s, int count)
{
u8 *cdat, *dest, *dest0;
@ -2017,6 +2027,8 @@ static void *video_logo(void)
return video_fb_address + video_logo_height * VIDEO_LINE_LEN;
}
#endif
if (board_cfb_skip())
return 0;
sprintf(info, " %s", version_string);
@ -2226,6 +2238,9 @@ int drv_video_init(void)
/* Init video chip - returns with framebuffer cleared */
skip_dev_init = (video_init() == -1);
if (board_cfb_skip())
return 0;
#if !defined(CONFIG_VGA_AS_SINGLE_DEVICE)
debug("KBD: Keyboard init ...\n");
skip_dev_init |= (VIDEO_KBD_INIT_FCT == -1);