pwh1: enable logo

Please put tools/logos/pwh1.bmp at {root directory of the sd vfat}/splash.bmp

configs/pwh1_defconfig

@@ -14,6 +14,7 @@ CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_DM=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_BMP=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_FAT=y
 CONFIG_OF_CONTROL=y
@@ -40,3 +41,7 @@ CONFIG_CONSOLE_ROTATION=y
 CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_VIDEO_SIMPLE=y
 CONFIG_SPLASH_SCREEN=y
+CONFIG_SPLASHIMAGE_GUARD=y
+CONFIG_SPLASH_SCREEN_ALIGN=y
+CONFIG_SPLASH_SOURCE=y
+CONFIG_BMP_16BPP=y

include/configs/pwh1.h

@@ -41,6 +41,8 @@
 
 #define CONFIG_SYS_MAXARGS		256
 
+#define CONFIG_VIDEO_FONT_6X11
+
 /* Physical Memory Map */
 
 #define PHYS_SDRAM			0x60000000
@@ -52,6 +54,10 @@
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"script=boot.scr\0" \
 	"image=zImage\0" \
+	"splashsource=mmc_fs\0" \
+	"splashfile=splash.bmp\0" \
+	"splashimage=0x64000000\0" \
+	"splashpos=192,m\0" \
 	"console=ttyLP0\0" \
 	"fdt_high=0xffffffff\0" \
 	"initrd_high=0xffffffff\0" \