video: add an option to skip cfb console init
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>
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index c09b7e3..68ba38b 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -431,6 +431,16 @@
{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 @@
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 @@
/* 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);