Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 1245 insertions, 0 deletions

diff --git a/qemu/roms/u-boot/common/lcd.c b/qemu/roms/u-boot/common/lcd.c
new file mode 100644
index 000000000..19b86b7c5
--- /dev/null
+++ b/qemu/roms/u-boot/common/lcd.c
@@ -0,0 +1,1245 @@
+/*
+ * Common LCD routines for supported CPUs
+ *
+ * (C) Copyright 2001-2002
+ * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/************************************************************************/
+/* ** HEADER FILES							*/
+/************************************************************************/
+
+/* #define DEBUG */
+
+#include <config.h>
+#include <common.h>
+#include <command.h>
+#include <stdarg.h>
+#include <search.h>
+#include <env_callback.h>
+#include <linux/types.h>
+#include <stdio_dev.h>
+#if defined(CONFIG_POST)
+#include <post.h>
+#endif
+#include <lcd.h>
+#include <watchdog.h>
+#include <asm/unaligned.h>
+#include <splash.h>
+#include <asm/io.h>
+#include <asm/unaligned.h>
+
+#if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
+	defined(CONFIG_CPU_MONAHANS)
+#define CONFIG_CPU_PXA
+#include <asm/byteorder.h>
+#endif
+
+#if defined(CONFIG_MPC823)
+#include <lcdvideo.h>
+#endif
+
+#if defined(CONFIG_ATMEL_LCD)
+#include <atmel_lcdc.h>
+#endif
+
+#if defined(CONFIG_LCD_DT_SIMPLEFB)
+#include <libfdt.h>
+#endif
+
+/************************************************************************/
+/* ** FONT DATA								*/
+/************************************************************************/
+#include <video_font.h>		/* Get font data, width and height	*/
+
+/************************************************************************/
+/* ** LOGO DATA								*/
+/************************************************************************/
+#ifdef CONFIG_LCD_LOGO
+# include <bmp_logo.h>		/* Get logo data, width and height	*/
+# include <bmp_logo_data.h>
+# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
+#  error Default Color Map overlaps with Logo Color Map
+# endif
+#endif
+
+#ifdef CONFIG_SANDBOX
+#include <asm/sdl.h>
+#endif
+
+#ifndef CONFIG_LCD_ALIGNMENT
+#define CONFIG_LCD_ALIGNMENT PAGE_SIZE
+#endif
+
+/* By default we scroll by a single line */
+#ifndef CONFIG_CONSOLE_SCROLL_LINES
+#define CONFIG_CONSOLE_SCROLL_LINES 1
+#endif
+
+/************************************************************************/
+/* ** CONSOLE DEFINITIONS & FUNCTIONS					*/
+/************************************************************************/
+#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
+# define CONSOLE_ROWS		((panel_info.vl_row-BMP_LOGO_HEIGHT) \
+					/ VIDEO_FONT_HEIGHT)
+#else
+# define CONSOLE_ROWS		(panel_info.vl_row / VIDEO_FONT_HEIGHT)
+#endif
+
+#define CONSOLE_COLS		(panel_info.vl_col / VIDEO_FONT_WIDTH)
+#define CONSOLE_ROW_SIZE	(VIDEO_FONT_HEIGHT * lcd_line_length)
+#define CONSOLE_ROW_FIRST	lcd_console_address
+#define CONSOLE_ROW_SECOND	(lcd_console_address + CONSOLE_ROW_SIZE)
+#define CONSOLE_ROW_LAST	(lcd_console_address + CONSOLE_SIZE \
+					- CONSOLE_ROW_SIZE)
+#define CONSOLE_SIZE		(CONSOLE_ROW_SIZE * CONSOLE_ROWS)
+#define CONSOLE_SCROLL_SIZE	(CONSOLE_SIZE - CONSOLE_ROW_SIZE)
+
+#if LCD_BPP == LCD_MONOCHROME
+# define COLOR_MASK(c)		((c)	  | (c) << 1 | (c) << 2 | (c) << 3 | \
+				 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
+#elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
+# define COLOR_MASK(c)		(c)
+#else
+# error Unsupported LCD BPP.
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void lcd_drawchars(ushort x, ushort y, uchar *str, int count);
+static inline void lcd_puts_xy(ushort x, ushort y, uchar *s);
+static inline void lcd_putc_xy(ushort x, ushort y, uchar  c);
+
+static int lcd_init(void *lcdbase);
+
+static void *lcd_logo(void);
+
+static int lcd_getbgcolor(void);
+static void lcd_setfgcolor(int color);
+static void lcd_setbgcolor(int color);
+
+static int lcd_color_fg;
+static int lcd_color_bg;
+int lcd_line_length;
+
+char lcd_is_enabled = 0;
+
+static short console_col;
+static short console_row;
+
+static void *lcd_console_address;
+static void *lcd_base;			/* Start of framebuffer memory	*/
+
+static char lcd_flush_dcache;	/* 1 to flush dcache after each lcd update */
+
+/************************************************************************/
+
+/* Flush LCD activity to the caches */
+void lcd_sync(void)
+{
+	/*
+	 * flush_dcache_range() is declared in common.h but it seems that some
+	 * architectures do not actually implement it. Is there a way to find
+	 * out whether it exists? For now, ARM is safe.
+	 */
+#if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
+	int line_length;
+
+	if (lcd_flush_dcache)
+		flush_dcache_range((u32)lcd_base,
+			(u32)(lcd_base + lcd_get_size(&line_length)));
+#elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL)
+	static ulong last_sync;
+
+	if (get_timer(last_sync) > 10) {
+		sandbox_sdl_sync(lcd_base);
+		last_sync = get_timer(0);
+	}
+#endif
+}
+
+void lcd_set_flush_dcache(int flush)
+{
+	lcd_flush_dcache = (flush != 0);
+}
+
+/*----------------------------------------------------------------------*/
+
+static void console_scrollup(void)
+{
+	const int rows = CONFIG_CONSOLE_SCROLL_LINES;
+
+	/* Copy up rows ignoring those that will be overwritten */
+	memcpy(CONSOLE_ROW_FIRST,
+	       lcd_console_address + CONSOLE_ROW_SIZE * rows,
+	       CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows);
+
+	/* Clear the last rows */
+	memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
+		COLOR_MASK(lcd_color_bg),
+		CONSOLE_ROW_SIZE * rows);
+
+	lcd_sync();
+	console_row -= rows;
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void console_back(void)
+{
+	if (--console_col < 0) {
+		console_col = CONSOLE_COLS-1 ;
+		if (--console_row < 0)
+			console_row = 0;
+	}
+
+	lcd_putc_xy(console_col * VIDEO_FONT_WIDTH,
+		console_row * VIDEO_FONT_HEIGHT, ' ');
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void console_newline(void)
+{
+	console_col = 0;
+
+	/* Check if we need to scroll the terminal */
+	if (++console_row >= CONSOLE_ROWS)
+		console_scrollup();
+	else
+		lcd_sync();
+}
+
+/*----------------------------------------------------------------------*/
+
+void lcd_putc(const char c)
+{
+	if (!lcd_is_enabled) {
+		serial_putc(c);
+
+		return;
+	}
+
+	switch (c) {
+	case '\r':
+		console_col = 0;
+
+		return;
+	case '\n':
+		console_newline();
+
+		return;
+	case '\t':	/* Tab (8 chars alignment) */
+		console_col +=  8;
+		console_col &= ~7;
+
+		if (console_col >= CONSOLE_COLS)
+			console_newline();
+
+		return;
+	case '\b':
+		console_back();
+
+		return;
+	default:
+		lcd_putc_xy(console_col * VIDEO_FONT_WIDTH,
+			console_row * VIDEO_FONT_HEIGHT, c);
+		if (++console_col >= CONSOLE_COLS)
+			console_newline();
+	}
+}
+
+/*----------------------------------------------------------------------*/
+
+void lcd_puts(const char *s)
+{
+	if (!lcd_is_enabled) {
+		serial_puts(s);
+
+		return;
+	}
+
+	while (*s)
+		lcd_putc(*s++);
+
+	lcd_sync();
+}
+
+/*----------------------------------------------------------------------*/
+
+void lcd_printf(const char *fmt, ...)
+{
+	va_list args;
+	char buf[CONFIG_SYS_PBSIZE];
+
+	va_start(args, fmt);
+	vsprintf(buf, fmt, args);
+	va_end(args);
+
+	lcd_puts(buf);
+}
+
+/************************************************************************/
+/* ** Low-Level Graphics Routines					*/
+/************************************************************************/
+
+static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
+{
+	uchar *dest;
+	ushort row;
+
+#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
+	y += BMP_LOGO_HEIGHT;
+#endif
+
+#if LCD_BPP == LCD_MONOCHROME
+	ushort off  = x * (1 << LCD_BPP) % 8;
+#endif
+
+	dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
+
+	for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
+		uchar *s = str;
+		int i;
+#if LCD_BPP == LCD_COLOR16
+		ushort *d = (ushort *)dest;
+#else
+		uchar *d = dest;
+#endif
+
+#if LCD_BPP == LCD_MONOCHROME
+		uchar rest = *d & -(1 << (8 - off));
+		uchar sym;
+#endif
+		for (i = 0; i < count; ++i) {
+			uchar c, bits;
+
+			c = *s++;
+			bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
+
+#if LCD_BPP == LCD_MONOCHROME
+			sym  = (COLOR_MASK(lcd_color_fg) & bits) |
+				(COLOR_MASK(lcd_color_bg) & ~bits);
+
+			*d++ = rest | (sym >> off);
+			rest = sym << (8-off);
+#elif LCD_BPP == LCD_COLOR8
+			for (c = 0; c < 8; ++c) {
+				*d++ = (bits & 0x80) ?
+						lcd_color_fg : lcd_color_bg;
+				bits <<= 1;
+			}
+#elif LCD_BPP == LCD_COLOR16
+			for (c = 0; c < 8; ++c) {
+				*d++ = (bits & 0x80) ?
+						lcd_color_fg : lcd_color_bg;
+				bits <<= 1;
+			}
+#endif
+		}
+#if LCD_BPP == LCD_MONOCHROME
+		*d  = rest | (*d & ((1 << (8 - off)) - 1));
+#endif
+	}
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void lcd_puts_xy(ushort x, ushort y, uchar *s)
+{
+	lcd_drawchars(x, y, s, strlen((char *)s));
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void lcd_putc_xy(ushort x, ushort y, uchar c)
+{
+	lcd_drawchars(x, y, &c, 1);
+}
+
+/************************************************************************/
+/**  Small utility to check that you got the colours right		*/
+/************************************************************************/
+#ifdef LCD_TEST_PATTERN
+
+#define	N_BLK_VERT	2
+#define	N_BLK_HOR	3
+
+static int test_colors[N_BLK_HOR * N_BLK_VERT] = {
+	CONSOLE_COLOR_RED,	CONSOLE_COLOR_GREEN,	CONSOLE_COLOR_YELLOW,
+	CONSOLE_COLOR_BLUE,	CONSOLE_COLOR_MAGENTA,	CONSOLE_COLOR_CYAN,
+};
+
+static void test_pattern(void)
+{
+	ushort v_max  = panel_info.vl_row;
+	ushort h_max  = panel_info.vl_col;
+	ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
+	ushort h_step = (h_max + N_BLK_HOR  - 1) / N_BLK_HOR;
+	ushort v, h;
+	uchar *pix = (uchar *)lcd_base;
+
+	printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
+		h_max, v_max, h_step, v_step);
+
+	/* WARNING: Code silently assumes 8bit/pixel */
+	for (v = 0; v < v_max; ++v) {
+		uchar iy = v / v_step;
+		for (h = 0; h < h_max; ++h) {
+			uchar ix = N_BLK_HOR * iy + h / h_step;
+			*pix++ = test_colors[ix];
+		}
+	}
+}
+#endif /* LCD_TEST_PATTERN */
+
+
+/************************************************************************/
+/* ** GENERIC Initialization Routines					*/
+/************************************************************************/
+/*
+ * With most lcd drivers the line length is set up
+ * by calculating it from panel_info parameters. Some
+ * drivers need to calculate the line length differently,
+ * so make the function weak to allow overriding it.
+ */
+__weak int lcd_get_size(int *line_length)
+{
+	*line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
+	return *line_length * panel_info.vl_row;
+}
+
+int drv_lcd_init(void)
+{
+	struct stdio_dev lcddev;
+	int rc;
+
+	lcd_base = map_sysmem(gd->fb_base, 0);
+
+	lcd_init(lcd_base);		/* LCD initialization */
+
+	/* Device initialization */
+	memset(&lcddev, 0, sizeof(lcddev));
+
+	strcpy(lcddev.name, "lcd");
+	lcddev.ext   = 0;			/* No extensions */
+	lcddev.flags = DEV_FLAGS_OUTPUT;	/* Output only */
+	lcddev.putc  = lcd_putc;		/* 'putc' function */
+	lcddev.puts  = lcd_puts;		/* 'puts' function */
+
+	rc = stdio_register(&lcddev);
+
+	return (rc == 0) ? 1 : rc;
+}
+
+/*----------------------------------------------------------------------*/
+void lcd_clear(void)
+{
+#if LCD_BPP == LCD_MONOCHROME
+	/* Setting the palette */
+	lcd_initcolregs();
+
+#elif LCD_BPP == LCD_COLOR8
+	/* Setting the palette */
+	lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0);
+	lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0);
+	lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
+	lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
+	lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
+	lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
+	lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
+	lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
+	lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
+#endif
+
+#ifndef CONFIG_SYS_WHITE_ON_BLACK
+	lcd_setfgcolor(CONSOLE_COLOR_BLACK);
+	lcd_setbgcolor(CONSOLE_COLOR_WHITE);
+#else
+	lcd_setfgcolor(CONSOLE_COLOR_WHITE);
+	lcd_setbgcolor(CONSOLE_COLOR_BLACK);
+#endif	/* CONFIG_SYS_WHITE_ON_BLACK */
+
+#ifdef	LCD_TEST_PATTERN
+	test_pattern();
+#else
+	/* set framebuffer to background color */
+	memset((char *)lcd_base,
+		COLOR_MASK(lcd_getbgcolor()),
+		lcd_line_length * panel_info.vl_row);
+#endif
+	/* Paint the logo and retrieve LCD base address */
+	debug("[LCD] Drawing the logo...\n");
+	lcd_console_address = lcd_logo();
+
+	console_col = 0;
+	console_row = 0;
+	lcd_sync();
+}
+
+static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc,
+			char *const argv[])
+{
+	lcd_clear();
+	return 0;
+}
+
+U_BOOT_CMD(
+	cls,	1,	1,	do_lcd_clear,
+	"clear screen",
+	""
+);
+
+/*----------------------------------------------------------------------*/
+
+static int lcd_init(void *lcdbase)
+{
+	/* Initialize the lcd controller */
+	debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
+
+	lcd_ctrl_init(lcdbase);
+
+	/*
+	 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi_b) ignores
+	 * the 'lcdbase' argument and uses custom lcd base address
+	 * by setting up gd->fb_base. Check for this condition and fixup
+	 * 'lcd_base' address.
+	 */
+	if (map_to_sysmem(lcdbase) != gd->fb_base)
+		lcd_base = map_sysmem(gd->fb_base, 0);
+
+	debug("[LCD] Using LCD frambuffer at %p\n", lcd_base);
+
+	lcd_get_size(&lcd_line_length);
+	lcd_is_enabled = 1;
+	lcd_clear();
+	lcd_enable();
+
+	/* Initialize the console */
+	console_col = 0;
+#ifdef CONFIG_LCD_INFO_BELOW_LOGO
+	console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
+#else
+	console_row = 1;	/* leave 1 blank line below logo */
+#endif
+
+	return 0;
+}
+
+
+/************************************************************************/
+/* ** ROM capable initialization part - needed to reserve FB memory	*/
+/************************************************************************/
+/*
+ * This is called early in the system initialization to grab memory
+ * for the LCD controller.
+ * Returns new address for monitor, after reserving LCD buffer memory
+ *
+ * Note that this is running from ROM, so no write access to global data.
+ */
+ulong lcd_setmem(ulong addr)
+{
+	ulong size;
+	int line_length;
+
+	debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col,
+		panel_info.vl_row, NBITS(panel_info.vl_bpix));
+
+	size = lcd_get_size(&line_length);
+
+	/* Round up to nearest full page, or MMU section if defined */
+	size = ALIGN(size, CONFIG_LCD_ALIGNMENT);
+	addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT);
+
+	/* Allocate pages for the frame buffer. */
+	addr -= size;
+
+	debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
+	      size >> 10, addr);
+
+	return addr;
+}
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_setfgcolor(int color)
+{
+	lcd_color_fg = color;
+}
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_setbgcolor(int color)
+{
+	lcd_color_bg = color;
+}
+
+/*----------------------------------------------------------------------*/
+
+int lcd_getfgcolor(void)
+{
+	return lcd_color_fg;
+}
+
+/*----------------------------------------------------------------------*/
+
+static int lcd_getbgcolor(void)
+{
+	return lcd_color_bg;
+}
+
+/************************************************************************/
+/* ** Chipset depending Bitmap / Logo stuff...                          */
+/************************************************************************/
+static inline ushort *configuration_get_cmap(void)
+{
+#if defined CONFIG_CPU_PXA
+	struct pxafb_info *fbi = &panel_info.pxa;
+	return (ushort *)fbi->palette;
+#elif defined(CONFIG_MPC823)
+	immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+	cpm8xx_t *cp = &(immr->im_cpm);
+	return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
+#elif defined(CONFIG_ATMEL_LCD)
+	return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
+#elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
+	return panel_info.cmap;
+#elif defined(CONFIG_LCD_LOGO)
+	return bmp_logo_palette;
+#else
+	return NULL;
+#endif
+}
+
+#ifdef CONFIG_LCD_LOGO
+void bitmap_plot(int x, int y)
+{
+#ifdef CONFIG_ATMEL_LCD
+	uint *cmap = (uint *)bmp_logo_palette;
+#else
+	ushort *cmap = (ushort *)bmp_logo_palette;
+#endif
+	ushort i, j;
+	uchar *bmap;
+	uchar *fb;
+	ushort *fb16;
+#if defined(CONFIG_MPC823)
+	immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+	cpm8xx_t *cp = &(immr->im_cpm);
+#endif
+	unsigned bpix = NBITS(panel_info.vl_bpix);
+
+	debug("Logo: width %d  height %d  colors %d  cmap %d\n",
+		BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
+		ARRAY_SIZE(bmp_logo_palette));
+
+	bmap = &bmp_logo_bitmap[0];
+	fb   = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8);
+
+	if (bpix < 12) {
+		/* Leave room for default color map
+		 * default case: generic system with no cmap (most likely 16bpp)
+		 * cmap was set to the source palette, so no change is done.
+		 * This avoids even more ifdefs in the next stanza
+		 */
+#if defined(CONFIG_MPC823)
+		cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]);
+#elif defined(CONFIG_ATMEL_LCD)
+		cmap = (uint *)configuration_get_cmap();
+#else
+		cmap = configuration_get_cmap();
+#endif
+
+		WATCHDOG_RESET();
+
+		/* Set color map */
+		for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) {
+			ushort colreg = bmp_logo_palette[i];
+#ifdef CONFIG_ATMEL_LCD
+			uint lut_entry;
+#ifdef CONFIG_ATMEL_LCD_BGR555
+			lut_entry = ((colreg & 0x000F) << 11) |
+					((colreg & 0x00F0) <<  2) |
+					((colreg & 0x0F00) >>  7);
+#else /* CONFIG_ATMEL_LCD_RGB565 */
+			lut_entry = ((colreg & 0x000F) << 1) |
+					((colreg & 0x00F0) << 3) |
+					((colreg & 0x0F00) << 4);
+#endif
+			*(cmap + BMP_LOGO_OFFSET) = lut_entry;
+			cmap++;
+#else /* !CONFIG_ATMEL_LCD */
+#ifdef  CONFIG_SYS_INVERT_COLORS
+			*cmap++ = 0xffff - colreg;
+#else
+			*cmap++ = colreg;
+#endif
+#endif /* CONFIG_ATMEL_LCD */
+		}
+
+		WATCHDOG_RESET();
+
+		for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
+			memcpy(fb, bmap, BMP_LOGO_WIDTH);
+			bmap += BMP_LOGO_WIDTH;
+			fb += panel_info.vl_col;
+		}
+	}
+	else { /* true color mode */
+		u16 col16;
+		fb16 = (ushort *)fb;
+		for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
+			for (j = 0; j < BMP_LOGO_WIDTH; j++) {
+				col16 = bmp_logo_palette[(bmap[j]-16)];
+				fb16[j] =
+					((col16 & 0x000F) << 1) |
+					((col16 & 0x00F0) << 3) |
+					((col16 & 0x0F00) << 4);
+				}
+			bmap += BMP_LOGO_WIDTH;
+			fb16 += panel_info.vl_col;
+		}
+	}
+
+	WATCHDOG_RESET();
+	lcd_sync();
+}
+#else
+static inline void bitmap_plot(int x, int y) {}
+#endif /* CONFIG_LCD_LOGO */
+
+/*----------------------------------------------------------------------*/
+#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
+/*
+ * Display the BMP file located at address bmp_image.
+ * Only uncompressed.
+ */
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+#define BMP_ALIGN_CENTER	0x7FFF
+
+static void splash_align_axis(int *axis, unsigned long panel_size,
+					unsigned long picture_size)
+{
+	unsigned long panel_picture_delta = panel_size - picture_size;
+	unsigned long axis_alignment;
+
+	if (*axis == BMP_ALIGN_CENTER)
+		axis_alignment = panel_picture_delta / 2;
+	else if (*axis < 0)
+		axis_alignment = panel_picture_delta + *axis + 1;
+	else
+		return;
+
+	*axis = max(0, axis_alignment);
+}
+#endif
+
+
+#ifdef CONFIG_LCD_BMP_RLE8
+
+#define BMP_RLE8_ESCAPE		0
+#define BMP_RLE8_EOL		0
+#define BMP_RLE8_EOBMP		1
+#define BMP_RLE8_DELTA		2
+
+static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap,
+				  int cnt)
+{
+	while (cnt > 0) {
+		*(*fbp)++ = cmap[*bmap++];
+		cnt--;
+	}
+}
+
+static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt)
+{
+	ushort *fb = *fbp;
+	int cnt_8copy = cnt >> 3;
+
+	cnt -= cnt_8copy << 3;
+	while (cnt_8copy > 0) {
+		*fb++ = c;
+		*fb++ = c;
+		*fb++ = c;
+		*fb++ = c;
+		*fb++ = c;
+		*fb++ = c;
+		*fb++ = c;
+		*fb++ = c;
+		cnt_8copy--;
+	}
+	while (cnt > 0) {
+		*fb++ = c;
+		cnt--;
+	}
+	*fbp = fb;
+}
+
+/*
+ * Do not call this function directly, must be called from lcd_display_bitmap.
+ */
+static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb,
+				    int x_off, int y_off)
+{
+	uchar *bmap;
+	ulong width, height;
+	ulong cnt, runlen;
+	int x, y;
+	int decode = 1;
+
+	width = get_unaligned_le32(&bmp->header.width);
+	height = get_unaligned_le32(&bmp->header.height);
+	bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
+
+	x = 0;
+	y = height - 1;
+
+	while (decode) {
+		if (bmap[0] == BMP_RLE8_ESCAPE) {
+			switch (bmap[1]) {
+			case BMP_RLE8_EOL:
+				/* end of line */
+				bmap += 2;
+				x = 0;
+				y--;
+				/* 16bpix, 2-byte per pixel, width should *2 */
+				fb -= (width * 2 + lcd_line_length);
+				break;
+			case BMP_RLE8_EOBMP:
+				/* end of bitmap */
+				decode = 0;
+				break;
+			case BMP_RLE8_DELTA:
+				/* delta run */
+				x += bmap[2];
+				y -= bmap[3];
+				/* 16bpix, 2-byte per pixel, x should *2 */
+				fb = (uchar *) (lcd_base + (y + y_off - 1)
+					* lcd_line_length + (x + x_off) * 2);
+				bmap += 4;
+				break;
+			default:
+				/* unencoded run */
+				runlen = bmap[1];
+				bmap += 2;
+				if (y < height) {
+					if (x < width) {
+						if (x + runlen > width)
+							cnt = width - x;
+						else
+							cnt = runlen;
+						draw_unencoded_bitmap(
+							(ushort **)&fb,
+							bmap, cmap, cnt);
+					}
+					x += runlen;
+				}
+				bmap += runlen;
+				if (runlen & 1)
+					bmap++;
+			}
+		} else {
+			/* encoded run */
+			if (y < height) {
+				runlen = bmap[0];
+				if (x < width) {
+					/* aggregate the same code */
+					while (bmap[0] == 0xff &&
+					       bmap[2] != BMP_RLE8_ESCAPE &&
+					       bmap[1] == bmap[3]) {
+						runlen += bmap[2];
+						bmap += 2;
+					}
+					if (x + runlen > width)
+						cnt = width - x;
+					else
+						cnt = runlen;
+					draw_encoded_bitmap((ushort **)&fb,
+						cmap[bmap[1]], cnt);
+				}
+				x += runlen;
+			}
+			bmap += 2;
+		}
+	}
+}
+#endif
+
+#if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
+#define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
+#else
+#define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
+#endif
+
+#if defined(CONFIG_BMP_16BPP)
+#if defined(CONFIG_ATMEL_LCD_BGR555)
+static inline void fb_put_word(uchar **fb, uchar **from)
+{
+	*(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03);
+	*(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2);
+	*from += 2;
+}
+#else
+static inline void fb_put_word(uchar **fb, uchar **from)
+{
+	*(*fb)++ = *(*from)++;
+	*(*fb)++ = *(*from)++;
+}
+#endif
+#endif /* CONFIG_BMP_16BPP */
+
+int lcd_display_bitmap(ulong bmp_image, int x, int y)
+{
+#if !defined(CONFIG_MCC200)
+	ushort *cmap = NULL;
+#endif
+	ushort *cmap_base = NULL;
+	ushort i, j;
+	uchar *fb;
+	bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0);
+	uchar *bmap;
+	ushort padded_width;
+	unsigned long width, height, byte_width;
+	unsigned long pwidth = panel_info.vl_col;
+	unsigned colors, bpix, bmp_bpix;
+
+	if (!bmp || !(bmp->header.signature[0] == 'B' &&
+		bmp->header.signature[1] == 'M')) {
+		printf("Error: no valid bmp image at %lx\n", bmp_image);
+
+		return 1;
+	}
+
+	width = get_unaligned_le32(&bmp->header.width);
+	height = get_unaligned_le32(&bmp->header.height);
+	bmp_bpix = get_unaligned_le16(&bmp->header.bit_count);
+
+	colors = 1 << bmp_bpix;
+
+	bpix = NBITS(panel_info.vl_bpix);
+
+	if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) {
+		printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
+			bpix, bmp_bpix);
+
+		return 1;
+	}
+
+	/* We support displaying 8bpp BMPs on 16bpp LCDs */
+	if (bpix != bmp_bpix && !(bmp_bpix == 8 && bpix == 16)) {
+		printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
+			bpix, get_unaligned_le16(&bmp->header.bit_count));
+		return 1;
+	}
+
+	debug("Display-bmp: %d x %d  with %d colors\n",
+		(int)width, (int)height, (int)colors);
+
+#if !defined(CONFIG_MCC200)
+	/* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
+	if (bmp_bpix == 8) {
+		cmap = configuration_get_cmap();
+		cmap_base = cmap;
+
+		/* Set color map */
+		for (i = 0; i < colors; ++i) {
+			bmp_color_table_entry_t cte = bmp->color_table[i];
+#if !defined(CONFIG_ATMEL_LCD)
+			ushort colreg =
+				( ((cte.red)   << 8) & 0xf800) |
+				( ((cte.green) << 3) & 0x07e0) |
+				( ((cte.blue)  >> 3) & 0x001f) ;
+#ifdef CONFIG_SYS_INVERT_COLORS
+			*cmap = 0xffff - colreg;
+#else
+			*cmap = colreg;
+#endif
+#if defined(CONFIG_MPC823)
+			cmap--;
+#else
+			cmap++;
+#endif
+#else /* CONFIG_ATMEL_LCD */
+			lcd_setcolreg(i, cte.red, cte.green, cte.blue);
+#endif
+		}
+	}
+#endif
+	/*
+	 *  BMP format for Monochrome assumes that the state of a
+	 * pixel is described on a per Bit basis, not per Byte.
+	 *  So, in case of Monochrome BMP we should align widths
+	 * on a byte boundary and convert them from Bit to Byte
+	 * units.
+	 *  Probably, PXA250 and MPC823 process 1bpp BMP images in
+	 * their own ways, so make the converting to be MCC200
+	 * specific.
+	 */
+#if defined(CONFIG_MCC200)
+	if (bpix == 1) {
+		width = ((width + 7) & ~7) >> 3;
+		x     = ((x + 7) & ~7) >> 3;
+		pwidth= ((pwidth + 7) & ~7) >> 3;
+	}
+#endif
+
+	padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width);
+
+#ifdef CONFIG_SPLASH_SCREEN_ALIGN
+	splash_align_axis(&x, pwidth, width);
+	splash_align_axis(&y, panel_info.vl_row, height);
+#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
+
+	if ((x + width) > pwidth)
+		width = pwidth - x;
+	if ((y + height) > panel_info.vl_row)
+		height = panel_info.vl_row - y;
+
+	bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
+	fb   = (uchar *)(lcd_base +
+		(y + height - 1) * lcd_line_length + x * bpix / 8);
+
+	switch (bmp_bpix) {
+	case 1: /* pass through */
+	case 8:
+#ifdef CONFIG_LCD_BMP_RLE8
+		u32 compression = get_unaligned_le32(&bmp->header.compression);
+		if (compression == BMP_BI_RLE8) {
+			if (bpix != 16) {
+				/* TODO implement render code for bpix != 16 */
+				printf("Error: only support 16 bpix");
+				return 1;
+			}
+			lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y);
+			break;
+		}
+#endif
+
+		if (bpix != 16)
+			byte_width = width;
+		else
+			byte_width = width * 2;
+
+		for (i = 0; i < height; ++i) {
+			WATCHDOG_RESET();
+			for (j = 0; j < width; j++) {
+				if (bpix != 16) {
+					FB_PUT_BYTE(fb, bmap);
+				} else {
+					*(uint16_t *)fb = cmap_base[*(bmap++)];
+					fb += sizeof(uint16_t) / sizeof(*fb);
+				}
+			}
+			bmap += (padded_width - width);
+			fb -= byte_width + lcd_line_length;
+		}
+		break;
+
+#if defined(CONFIG_BMP_16BPP)
+	case 16:
+		for (i = 0; i < height; ++i) {
+			WATCHDOG_RESET();
+			for (j = 0; j < width; j++)
+				fb_put_word(&fb, &bmap);
+
+			bmap += (padded_width - width) * 2;
+			fb -= width * 2 + lcd_line_length;
+		}
+		break;
+#endif /* CONFIG_BMP_16BPP */
+
+#if defined(CONFIG_BMP_32BPP)
+	case 32:
+		for (i = 0; i < height; ++i) {
+			for (j = 0; j < width; j++) {
+				*(fb++) = *(bmap++);
+				*(fb++) = *(bmap++);
+				*(fb++) = *(bmap++);
+				*(fb++) = *(bmap++);
+			}
+			fb -= lcd_line_length + width * (bpix / 8);
+		}
+		break;
+#endif /* CONFIG_BMP_32BPP */
+	default:
+		break;
+	};
+
+	lcd_sync();
+	return 0;
+}
+#endif
+
+static void *lcd_logo(void)
+{
+#ifdef CONFIG_SPLASH_SCREEN
+	char *s;
+	ulong addr;
+	static int do_splash = 1;
+
+	if (do_splash && (s = getenv("splashimage")) != NULL) {
+		int x = 0, y = 0;
+		do_splash = 0;
+
+		if (splash_screen_prepare())
+			return (void *)lcd_base;
+
+		addr = simple_strtoul (s, NULL, 16);
+
+		splash_get_pos(&x, &y);
+
+		if (bmp_display(addr, x, y) == 0)
+			return (void *)lcd_base;
+	}
+#endif /* CONFIG_SPLASH_SCREEN */
+
+	bitmap_plot(0, 0);
+
+#ifdef CONFIG_LCD_INFO
+	console_col = LCD_INFO_X / VIDEO_FONT_WIDTH;
+	console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT;
+	lcd_show_board_info();
+#endif /* CONFIG_LCD_INFO */
+
+#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
+	return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length);
+#else
+	return (void *)lcd_base;
+#endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */
+}
+
+#ifdef CONFIG_SPLASHIMAGE_GUARD
+static int on_splashimage(const char *name, const char *value, enum env_op op,
+	int flags)
+{
+	ulong addr;
+	int aligned;
+
+	if (op == env_op_delete)
+		return 0;
+
+	addr = simple_strtoul(value, NULL, 16);
+	/* See README.displaying-bmps */
+	aligned = (addr % 4 == 2);
+	if (!aligned) {
+		printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+U_BOOT_ENV_CALLBACK(splashimage, on_splashimage);
+#endif
+
+void lcd_position_cursor(unsigned col, unsigned row)
+{
+	console_col = min(col, CONSOLE_COLS - 1);
+	console_row = min(row, CONSOLE_ROWS - 1);
+}
+
+int lcd_get_pixel_width(void)
+{
+	return panel_info.vl_col;
+}
+
+int lcd_get_pixel_height(void)
+{
+	return panel_info.vl_row;
+}
+
+int lcd_get_screen_rows(void)
+{
+	return CONSOLE_ROWS;
+}
+
+int lcd_get_screen_columns(void)
+{
+	return CONSOLE_COLS;
+}
+
+#if defined(CONFIG_LCD_DT_SIMPLEFB)
+static int lcd_dt_simplefb_configure_node(void *blob, int off)
+{
+	u32 stride;
+	fdt32_t cells[2];
+	int ret;
+	static const char format[] =
+#if LCD_BPP == LCD_COLOR16
+		"r5g6b5";
+#else
+		"";
+#endif
+
+	if (!format[0])
+		return -1;
+
+	stride = panel_info.vl_col * 2;
+
+	cells[0] = cpu_to_fdt32(gd->fb_base);
+	cells[1] = cpu_to_fdt32(stride * panel_info.vl_row);
+	ret = fdt_setprop(blob, off, "reg", cells, sizeof(cells[0]) * 2);
+	if (ret < 0)
+		return -1;
+
+	cells[0] = cpu_to_fdt32(panel_info.vl_col);
+	ret = fdt_setprop(blob, off, "width", cells, sizeof(cells[0]));
+	if (ret < 0)
+		return -1;
+
+	cells[0] = cpu_to_fdt32(panel_info.vl_row);
+	ret = fdt_setprop(blob, off, "height", cells, sizeof(cells[0]));
+	if (ret < 0)
+		return -1;
+
+	cells[0] = cpu_to_fdt32(stride);
+	ret = fdt_setprop(blob, off, "stride", cells, sizeof(cells[0]));
+	if (ret < 0)
+		return -1;
+
+	ret = fdt_setprop(blob, off, "format", format, strlen(format) + 1);
+	if (ret < 0)
+		return -1;
+
+	ret = fdt_delprop(blob, off, "status");
+	if (ret < 0)
+		return -1;
+
+	return 0;
+}
+
+int lcd_dt_simplefb_add_node(void *blob)
+{
+	static const char compat[] = "simple-framebuffer";
+	static const char disabled[] = "disabled";
+	int off, ret;
+
+	off = fdt_add_subnode(blob, 0, "framebuffer");
+	if (off < 0)
+		return -1;
+
+	ret = fdt_setprop(blob, off, "status", disabled, sizeof(disabled));
+	if (ret < 0)
+		return -1;
+
+	ret = fdt_setprop(blob, off, "compatible", compat, sizeof(compat));
+	if (ret < 0)
+		return -1;
+
+	return lcd_dt_simplefb_configure_node(blob, off);
+}
+
+int lcd_dt_simplefb_enable_existing_node(void *blob)
+{
+	int off;
+
+	off = fdt_node_offset_by_compatible(blob, -1, "simple-framebuffer");
+	if (off < 0)
+		return -1;
+
+	return lcd_dt_simplefb_configure_node(blob, off);
+}
+#endif