video, cfb_console: make background and foreground color configurable

make CONSOLE_BG_COL/CONSOLE_FG_COL configurable through board config file.
Clear video screen in video_init().

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>

README

@@ -705,6 +705,11 @@ The following options need to be configured:
 		the "silent" environment variable. See
 		doc/README.silent for more information.
 
+		CONFIG_SYS_CONSOLE_BG_COL: define the backgroundcolor, default
+			is 0x00.
+		CONFIG_SYS_CONSOLE_FG_COL: define the foregroundcolor, default
+			is 0xa0.
+
 - Console Baudrate:
 		CONFIG_BAUDRATE - in bps
 		Select one of the baudrates listed in

drivers/video/cfb_console.c

@@ -2108,6 +2108,24 @@ defined(CONFIG_SANDBOX) || defined(CONFIG_X86)
 	return 0;
 }
 
+void video_clear(void)
+{
+	if (!video_fb_address)
+		return;
+#ifdef VIDEO_HW_RECTFILL
+	video_hw_rectfill(VIDEO_PIXEL_SIZE,	/* bytes per pixel */
+			  0,			/* dest pos x */
+			  0,			/* dest pos y */
+			  VIDEO_VISIBLE_COLS,	/* frame width */
+			  VIDEO_VISIBLE_ROWS,	/* frame height */
+			  bgx			/* fill color */
+	);
+#else
+	memsetl(video_fb_address,
+		(VIDEO_VISIBLE_ROWS * VIDEO_LINE_LEN) / sizeof(int), bgx);
+#endif
+}
+
 static int video_init(void)
 {
 	unsigned char color8;
@@ -2194,6 +2212,8 @@ static int video_init(void)
 	}
 	eorx = fgx ^ bgx;
 
+	video_clear();
+
 #ifdef CONFIG_VIDEO_LOGO
 	/* Plot the logo and get start point of console */
 	debug("Video: Drawing the logo ...\n");
@@ -2297,21 +2317,3 @@ int video_get_screen_columns(void)
 {
 	return CONSOLE_COLS;
 }
-
-void video_clear(void)
-{
-	if (!video_fb_address)
-		return;
-#ifdef VIDEO_HW_RECTFILL
-	video_hw_rectfill(VIDEO_PIXEL_SIZE,	/* bytes per pixel */
-			  0,			/* dest pos x */
-			  0,			/* dest pos y */
-			  VIDEO_VISIBLE_COLS,	/* frame width */
-			  VIDEO_VISIBLE_ROWS,	/* frame height */
-			  bgx			/* fill color */
-	);
-#else
-	memsetl(video_fb_address,
-		(VIDEO_VISIBLE_ROWS * VIDEO_LINE_LEN) / sizeof(int), bgx);
-#endif
-}

include/video_fb.h

@@ -18,8 +18,13 @@
 #ifndef _VIDEO_FB_H_
 #define _VIDEO_FB_H_
 
+#if defined(CONFIG_SYS_CONSOLE_FG_COL) && defined(CONFIG_SYS_CONSOLE_BG_COL)
+#define CONSOLE_BG_COL            CONFIG_SYS_CONSOLE_BG_COL
+#define CONSOLE_FG_COL            CONFIG_SYS_CONSOLE_FG_COL
+#else
 #define CONSOLE_BG_COL            0x00
 #define CONSOLE_FG_COL            0xa0
+#endif
 
 /*
  * Graphic Data Format (GDF) bits for VIDEO_DATA_FORMAT