Initial revision

1 files changed, 1096 insertions, 0 deletions

diff --git a/cpu/mpc8xx/lcd.c b/cpu/mpc8xx/lcd.c
new file mode 100644
index 0000000..dbc38e3
--- /dev/null
+++ b/cpu/mpc8xx/lcd.c
@@ -0,0 +1,1096 @@
+/*
+ * (C) Copyright 2001-2002
+ * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/************************************************************************/
+/* ** HEADER FILES							*/
+/************************************************************************/
+
+#include <config.h>
+#include <common.h>
+#include <version.h>
+#include <stdarg.h>
+#include <lcdvideo.h>
+#include <linux/types.h>
+#include <devices.h>
+
+
+#ifdef CONFIG_LCD
+
+/************************************************************************/
+/* ** CONFIG STUFF -- should be moved to board config file		*/
+/************************************************************************/
+#ifndef CONFIG_EDT32F10
+#define CONFIG_LCD_LOGO
+#define LCD_INFO		/* Display Logo, (C) and system info	*/
+#endif
+/* #define LCD_TEST_PATTERN */	/* color backgnd for frame/color adjust */
+/* #define CFG_INVERT_COLORS */	/* Not needed - adjust vl_dp instead 	*/
+/************************************************************************/
+
+/************************************************************************/
+/* ** FONT AND LOGO DATA						*/
+/************************************************************************/
+
+#include <video_font.h>		/* Get font data, width and height	*/
+
+#ifdef CONFIG_LCD_LOGO
+# include <bmp_logo.h>		/* Get logo data, width and height	*/
+#endif
+
+/************************************************************************/
+/************************************************************************/
+
+/*
+ *  Information about displays we are using.  This is for configuring
+ *  the LCD controller and memory allocation.  Someone has to know what
+ *  is connected, as we can't autodetect anything.
+ */
+#define CFG_HIGH	0	/* Pins are active high */
+#define CFG_LOW		1	/* Pins are active low */
+
+typedef struct vidinfo {
+    ushort	vl_col;		/* Number of columns (i.e. 640) */
+    ushort	vl_row;		/* Number of rows (i.e. 480) */
+    ushort	vl_width;	/* Width of display area in millimeters */
+    ushort	vl_height;	/* Height of display area in millimeters */
+
+    /* LCD configuration register.
+    */
+    u_char	vl_clkp;	/* Clock polarity */
+    u_char	vl_oep;		/* Output Enable polarity */
+    u_char	vl_hsp;		/* Horizontal Sync polarity */
+    u_char	vl_vsp;		/* Vertical Sync polarity */
+    u_char	vl_dp;		/* Data polarity */
+    u_char	vl_bpix;	/* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
+    u_char	vl_lbw;		/* LCD Bus width, 0 = 4, 1 = 8 */
+    u_char	vl_splt;	/* Split display, 0 = single-scan, 1 = dual-scan */
+    u_char	vl_clor;	/* Color, 0 = mono, 1 = color */
+    u_char	vl_tft;		/* 0 = passive, 1 = TFT */
+
+    /* Horizontal control register.  Timing from data sheet.
+    */
+    ushort	vl_wbl;		/* Wait between lines */
+
+    /* Vertical control register.
+    */
+    u_char	vl_vpw;		/* Vertical sync pulse width */
+    u_char	vl_lcdac;	/* LCD AC timing */
+    u_char	vl_wbf;		/* Wait between frames */
+} vidinfo_t;
+
+#define LCD_MONOCHROME	0
+#define LCD_COLOR2	1
+#define LCD_COLOR4	2
+#define LCD_COLOR8	3
+
+/*----------------------------------------------------------------------*/
+#ifdef CONFIG_KYOCERA_KCS057QV1AJ
+/*
+ *  Kyocera KCS057QV1AJ-G23. Passive, color, single scan.
+ */
+#define LCD_BPP	LCD_COLOR4
+
+static vidinfo_t panel_info = {
+    640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
+    LCD_BPP, 1, 0, 1, 0,  5, 0, 0, 0
+		/* wbl, vpw, lcdac, wbf */
+};
+#endif /* CONFIG_KYOCERA_KCS057QV1AJ */
+/*----------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------*/
+#ifdef CONFIG_NEC_NL6648AC33
+/*
+ *  NEC NL6648AC33-18. Active, color, single scan.
+ */
+static vidinfo_t panel_info = {
+    640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
+    3, 0, 0, 1, 1, 144, 2, 0, 33
+		/* wbl, vpw, lcdac, wbf */
+};
+#endif /* CONFIG_NEC_NL6648AC33 */
+/*----------------------------------------------------------------------*/
+
+#ifdef CONFIG_NEC_NL6648BC20
+/*
+ *  NEC NL6648BC20-08. 6.5", 640x480. Active, color, single scan.
+ */
+static vidinfo_t panel_info = {
+    640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
+    3, 0, 0, 1, 1, 144, 2, 0, 33
+		/* wbl, vpw, lcdac, wbf */
+};
+#endif /* CONFIG_NEC_NL6648BC20 */
+/*----------------------------------------------------------------------*/
+
+#ifdef CONFIG_SHARP_LQ104V7DS01
+/*
+ *  SHARP LQ104V7DS01. 6.5", 640x480. Active, color, single scan.
+ */
+static vidinfo_t panel_info = {
+    640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_LOW,
+    3, 0, 0, 1, 1, 25, 1, 0, 33
+		/* wbl, vpw, lcdac, wbf */
+};
+#endif /* CONFIG_SHARP_LQ104V7DS01 */
+/*----------------------------------------------------------------------*/
+
+#ifdef CONFIG_SHARP_16x9
+/*
+ * Sharp 320x240. Active, color, single scan.  It isn't 16x9, and I am
+ * not sure what it is.......
+ */
+static vidinfo_t panel_info = {
+    320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
+    3, 0, 0, 1, 1, 15, 4, 0, 3
+};
+#endif /* CONFIG_SHARP_16x9 */
+/*----------------------------------------------------------------------*/
+
+#ifdef CONFIG_SHARP_LQ057Q3DC02
+/*
+ * Sharp LQ057Q3DC02 display. Active, color, single scan.
+ */
+static vidinfo_t panel_info = {
+    320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
+    3, 0, 0, 1, 1, 15, 4, 0, 3
+		/* wbl, vpw, lcdac, wbf */
+};
+#define LCD_INFO_BELOW_LOGO
+#endif /* CONFIG_SHARP_LQ057Q3DC02 */
+/*----------------------------------------------------------------------*/
+
+#ifdef CONFIG_SHARP_LQ64D341
+/*
+ * Sharp LQ64D341 display, 640x480. Active, color, single scan.
+ */
+static vidinfo_t panel_info = {
+    640, 480, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
+    3, 0, 0, 1, 1, 128, 16, 0, 32
+		/* wbl, vpw, lcdac, wbf */
+};
+#endif /* CONFIG_SHARP_LQ64D341 */
+/*----------------------------------------------------------------------*/
+
+#ifdef CONFIG_HLD1045
+/*
+ * HLD1045 display, 640x480. Active, color, single scan.
+ */
+static vidinfo_t panel_info = {
+    640, 480, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
+    3, 0, 0, 1, 1, 160, 3, 0, 48
+		/* wbl, vpw, lcdac, wbf */
+};
+#endif /* CONFIG_HLD1045 */
+/*----------------------------------------------------------------------*/
+
+#ifdef CONFIG_PRIMEVIEW_V16C6448AC
+/*
+ * Prime View V16C6448AC
+ */
+static vidinfo_t panel_info = {
+    640, 480, 130, 98, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
+    3, 0, 0, 1, 1, 144, 2, 0, 35
+		/* wbl, vpw, lcdac, wbf */
+};
+#endif /* CONFIG_PRIMEVIEW_V16C6448AC */
+
+/*----------------------------------------------------------------------*/
+
+#ifdef CONFIG_OPTREX_BW
+/*
+ * Optrex   CBL50840-2 NF-FW 99 22 M5
+ * or
+ * Hitachi  LMG6912RPFC-00T
+ * or
+ * Hitachi  SP14Q002
+ *
+ * 320x240. Black & white.
+ */
+#define OPTREX_BPP	0	/* 0 - monochrome,     1 bpp */
+				/* 1 -  4 grey levels, 2 bpp */
+				/* 2 - 16 grey levels, 4 bpp */
+static vidinfo_t panel_info = {
+    320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW,
+    OPTREX_BPP, 0, 0, 0, 0, 0, 0, 0, 0, 4
+};
+#endif /* CONFIG_OPTREX_BW */
+
+/*-----------------------------------------------------------------*/
+#ifdef CONFIG_EDT32F10
+/*
+ * Emerging Display Technologies 320x240. Passive, monochrome, single scan.
+ */
+#define LCD_BPP		LCD_MONOCHROME
+#define LCD_DF		20
+
+static vidinfo_t panel_info = {
+    320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW,
+    LCD_BPP,  0, 0, 0, 0, 0, 15, 0, 0
+};
+#endif
+/*----------------------------------------------------------------------*/
+
+#if defined(LCD_INFO_BELOW_LOGO)
+# define LCD_INFO_X		0
+# define LCD_INFO_Y		(BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
+#elif defined(CONFIG_LCD_LOGO)
+# define LCD_INFO_X		(BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
+# define LCD_INFO_Y		(VIDEO_FONT_HEIGHT)
+#else
+# define LCD_INFO_X		(VIDEO_FONT_WIDTH)
+# define LCD_INFO_Y		(VIDEO_FONT_HEIGHT)
+#endif
+
+#ifndef LCD_BPP
+#define LCD_BPP			LCD_COLOR8
+#endif
+#ifndef LCD_DF
+#define LCD_DF			1
+#endif
+
+#define NBITS(bit_code)		(1 << (bit_code))
+#define NCOLORS(bit_code)	(1 << NBITS(bit_code))
+
+static int lcd_line_length;
+
+static int lcd_color_fg;
+static int lcd_color_bg;
+
+static char lcd_is_enabled = 0;		/* Indicate that LCD is enabled	*/
+
+/*
+ * Frame buffer memory information
+ */
+static void *lcd_base;			/* Start of framebuffer memory	*/
+static void *lcd_console_address;	/* Start of console buffer	*/
+
+
+/************************************************************************/
+/* ** CONSOLE CONSTANTS							*/
+/************************************************************************/
+
+#if LCD_BPP == LCD_MONOCHROME
+
+/*
+ * Simple color definitions
+ */
+#define CONSOLE_COLOR_BLACK	 0
+#define CONSOLE_COLOR_WHITE	 1	/* Must remain last / highest */
+
+#else
+
+/*
+ * Simple color definitions
+ */
+#define CONSOLE_COLOR_BLACK	 0
+#define CONSOLE_COLOR_RED	 1
+#define CONSOLE_COLOR_GREEN	 2
+#define CONSOLE_COLOR_YELLOW	 3
+#define CONSOLE_COLOR_BLUE	 4
+#define CONSOLE_COLOR_MAGENTA	 5
+#define CONSOLE_COLOR_CYAN	 6
+#define CONSOLE_COLOR_GREY	14
+#define CONSOLE_COLOR_WHITE	15	/* Must remain last / highest */
+
+#endif
+
+#if defined(CONFIG_LCD_LOGO) && (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
+#error Default Color Map overlaps with Logo Color Map
+#endif
+
+/************************************************************************/
+
+#ifndef PAGE_SIZE
+#define	PAGE_SIZE	4096
+#endif
+
+
+/************************************************************************/
+/* ** CONSOLE DEFINITIONS & FUNCTIONS					*/
+/************************************************************************/
+
+#if defined(CONFIG_LCD_LOGO) && !defined(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
+#define COLOR_MASK(c)		(c)
+#else
+#error Unsupported LCD BPP.
+#endif
+
+static short console_col;
+static short console_row;
+
+/************************************************************************/
+
+ulong	lcd_setmem (ulong addr);
+
+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_ctrl_init (void *lcdbase);
+static void	lcd_enable (void);
+static void    *lcd_logo (void);
+#if LCD_BPP == LCD_COLOR8
+static void	lcd_setcolreg (ushort regno,
+				ushort red, ushort green, ushort blue);
+#endif
+#if LCD_BPP == LCD_MONOCHROME
+static void	lcd_initcolregs (void);
+#endif
+static int	lcd_getbgcolor (void);
+static void	lcd_setfgcolor (int color);
+static void	lcd_setbgcolor (int color);
+
+#ifdef	NOT_USED_SO_FAR
+static void	lcd_disable (void);
+static void	lcd_getcolreg (ushort regno,
+				ushort *red, ushort *green, ushort *blue);
+static int	lcd_getfgcolor (void);
+#endif	/* NOT_USED_SO_FAR */
+
+/************************************************************************/
+
+/*----------------------------------------------------------------------*/
+
+static void console_scrollup (void)
+{
+#if 1
+	/* Copy up rows ignoring the first one */
+	memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
+
+	/* Clear the last one */
+	memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
+#else
+	/*
+	 * Poor attempt to optimize speed by moving "long"s.
+	 * But the code is ugly, and not a bit faster :-(
+	 */
+	ulong *t = (ulong *)CONSOLE_ROW_FIRST;
+	ulong *s = (ulong *)CONSOLE_ROW_SECOND;
+	ulong    l = CONSOLE_SCROLL_SIZE / sizeof(ulong);
+	uchar  c = lcd_color_bg & 0xFF;
+	ulong val= (c<<24) | (c<<16) | (c<<8) | c;
+
+	while (l--)
+		*t++ = *s++;
+
+	t = (ulong *)CONSOLE_ROW_LAST;
+	l = CONSOLE_ROW_SIZE / sizeof(ulong);
+
+	while (l-- > 0)
+		*t++ = val;
+#endif
+}
+
+/*----------------------------------------------------------------------*/
+
+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_row;
+	console_col = 0;
+
+	/* Check if we need to scroll the terminal */
+	if (console_row >= CONSOLE_ROWS) {
+		/* Scroll everything up */
+		console_scrollup () ;
+		--console_row;
+	}
+}
+
+/*----------------------------------------------------------------------*/
+
+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();
+			}
+			return;
+	}
+	/* NOTREACHED */
+}
+
+/*----------------------------------------------------------------------*/
+
+void lcd_puts (const char *s)
+{
+	if (!lcd_is_enabled) {
+		serial_puts (s);
+		return;
+	}
+
+	while (*s) {
+		lcd_putc (*s++);
+	}
+}
+
+/************************************************************************/
+/* ** Low-Level Graphics Routines					*/
+/************************************************************************/
+
+static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
+{
+	uchar *dest;
+	ushort off, row;
+
+	dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
+	off  = x * (1 << LCD_BPP) % 8;
+
+	for (row=0;  row < VIDEO_FONT_HEIGHT;  ++row, dest += lcd_line_length)  {
+		uchar *s = str;
+		uchar *d = dest;
+		int i;
+
+#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;
+			}
+#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)
+{
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+	lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen (s));
+#else
+	lcd_drawchars (x, y, s, strlen (s));
+#endif
+}
+
+/*----------------------------------------------------------------------*/
+
+static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
+{
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+	lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
+#else
+	lcd_drawchars (x, y, &c, 1);
+#endif
+}
+
+/************************************************************************/
+/**  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					*/
+/************************************************************************/
+
+int drv_lcd_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	device_t lcddev;
+	int rc;
+
+	lcd_base = (void *)(gd->fb_base);
+
+	lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
+
+	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 = device_register (&lcddev);
+
+	return (rc == 0) ? 1 : rc;
+}
+
+/*----------------------------------------------------------------------*/
+
+static int lcd_init (void *lcdbase)
+{
+	/* Initialize the lcd controller */
+	debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
+
+	lcd_ctrl_init (lcdbase);
+
+#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 CFG_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	/* CFG_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
+
+	lcd_enable ();
+
+	/* Paint the logo and retrieve LCD base address */
+	debug ("[LCD] Drawing the logo...\n");
+	lcd_console_address = lcd_logo ();
+
+	/* Initialize the console */
+	console_col = 0;
+#ifdef LCD_INFO_BELOW_LOGO
+	console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
+#else
+	console_row = 1;	/* leave 1 blank line below logo */
+#endif
+	lcd_is_enabled = 1;
+
+	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 = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
+
+	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 = line_length * panel_info.vl_row;
+
+	/* Round up to nearest full page */
+	size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+
+	/* Allocate pages for the frame buffer. */
+	addr -= size;
+
+	debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
+
+	return (addr);
+}
+
+
+/************************************************************************/
+/* ----------------- chipset specific functions ----------------------- */
+/************************************************************************/
+
+static void lcd_ctrl_init (void *lcdbase)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile lcd823_t *lcdp = &immr->im_lcd;
+
+	uint lccrtmp;
+
+	/* Initialize the LCD control register according to the LCD
+	 * parameters defined.  We do everything here but enable
+	 * the controller.
+	 */
+
+	lccrtmp  = LCDBIT (LCCR_BNUM_BIT,
+		   (((panel_info.vl_row * panel_info.vl_col) * (1 << LCD_BPP)) / 128));
+
+	lccrtmp |= LCDBIT (LCCR_CLKP_BIT, panel_info.vl_clkp)	|
+		   LCDBIT (LCCR_OEP_BIT,  panel_info.vl_oep)	|
+		   LCDBIT (LCCR_HSP_BIT,  panel_info.vl_hsp)	|
+		   LCDBIT (LCCR_VSP_BIT,  panel_info.vl_vsp)	|
+		   LCDBIT (LCCR_DP_BIT,   panel_info.vl_dp)	|
+		   LCDBIT (LCCR_BPIX_BIT, panel_info.vl_bpix)	|
+		   LCDBIT (LCCR_LBW_BIT,  panel_info.vl_lbw)	|
+		   LCDBIT (LCCR_SPLT_BIT, panel_info.vl_splt)	|
+		   LCDBIT (LCCR_CLOR_BIT, panel_info.vl_clor)	|
+		   LCDBIT (LCCR_TFT_BIT,  panel_info.vl_tft);
+
+#if 0
+	lccrtmp |= ((SIU_LEVEL5 / 2) << 12);
+	lccrtmp |= LCCR_EIEN;
+#endif
+
+	lcdp->lcd_lccr = lccrtmp;
+	lcdp->lcd_lcsr = 0xFF;		/* Clear pending interrupts */
+
+	/* Initialize LCD controller bus priorities.
+	 */
+	immr->im_siu_conf.sc_sdcr &= ~0x0f;	/* RAID = LAID = 0 */
+
+	/* set SHFT/CLOCK division factor 4
+	 * This needs to be set based upon display type and processor
+	 * speed.  The TFT displays run about 20 to 30 MHz.
+	 * I was running 64 MHz processor speed.
+	 * The value for this divider must be chosen so the result is
+	 * an integer of the processor speed (i.e., divide by 3 with
+	 * 64 MHz would be bad).
+	 */
+	immr->im_clkrst.car_sccr &= ~0x1F;
+	immr->im_clkrst.car_sccr |= LCD_DF;	/* was 8 */
+
+#ifndef CONFIG_EDT32F10
+	/* Enable LCD on port D.
+	 */
+	immr->im_ioport.iop_pdpar |= 0x1FFF;
+	immr->im_ioport.iop_pddir |= 0x1FFF;
+
+	/* Enable LCD_A/B/C on port B.
+	 */
+	immr->im_cpm.cp_pbpar |= 0x00005001;
+	immr->im_cpm.cp_pbdir |= 0x00005001;
+#else
+	/* Enable LCD on port D.
+	 */
+	immr->im_ioport.iop_pdpar |= 0x1DFF;
+	immr->im_ioport.iop_pdpar &= ~0x0200;
+	immr->im_ioport.iop_pddir |= 0x1FFF;
+	immr->im_ioport.iop_pddat |= 0x0200;
+#endif
+
+	/* Load the physical address of the linear frame buffer
+	 * into the LCD controller.
+	 * BIG NOTE:  This has to be modified to load A and B depending
+	 * upon the split mode of the LCD.
+	 */
+	lcdp->lcd_lcfaa = (ulong)lcd_base;
+	lcdp->lcd_lcfba = (ulong)lcd_base;
+
+	/* MORE HACKS...This must be updated according to 823 manual
+	 * for different panels.
+	 */
+#ifndef CONFIG_EDT32F10
+	lcdp->lcd_lchcr = LCHCR_BO |
+			  LCDBIT (LCHCR_AT_BIT, 4) |
+			  LCDBIT (LCHCR_HPC_BIT, panel_info.vl_col) |
+			  panel_info.vl_wbl;
+#else
+	lcdp->lcd_lchcr = LCHCR_BO |
+			  LCDBIT (LCHCR_AT_BIT, 4) |
+			  LCDBIT (LCHCR_HPC_BIT, panel_info.vl_col/4) |
+			  panel_info.vl_wbl;
+#endif
+
+	lcdp->lcd_lcvcr = LCDBIT (LCVCR_VPW_BIT, panel_info.vl_vpw) |
+			  LCDBIT (LCVCR_LCD_AC_BIT, panel_info.vl_lcdac) |
+			  LCDBIT (LCVCR_VPC_BIT, panel_info.vl_row) |
+			  panel_info.vl_wbf;
+
+}
+
+/*----------------------------------------------------------------------*/
+
+#ifdef	NOT_USED_SO_FAR
+static void
+lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile cpm8xx_t *cp = &(immr->im_cpm);
+	unsigned short colreg, *cmap_ptr;
+
+	cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2];
+
+	colreg = *cmap_ptr;
+#ifdef	CFG_INVERT_COLORS
+	colreg ^= 0x0FFF;
+#endif
+
+	*red   = (colreg >> 8) & 0x0F;
+	*green = (colreg >> 4) & 0x0F;
+	*blue  =  colreg       & 0x0F;
+}
+#endif	/* NOT_USED_SO_FAR */
+
+/*----------------------------------------------------------------------*/
+
+#if LCD_BPP == LCD_COLOR8
+static void
+lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile cpm8xx_t *cp = &(immr->im_cpm);
+	unsigned short colreg, *cmap_ptr;
+
+	cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2];
+
+	colreg = ((red   & 0x0F) << 8) |
+		 ((green & 0x0F) << 4) |
+		  (blue  & 0x0F) ;
+#ifdef	CFG_INVERT_COLORS
+	colreg ^= 0x0FFF;
+#endif
+	*cmap_ptr = colreg;
+
+	debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %02X%02X\n",
+		regno, &(cp->lcd_cmap[regno * 2]),
+		red, green, blue,
+                cp->lcd_cmap[ regno * 2 ], cp->lcd_cmap[(regno * 2) + 1]);
+}
+#endif	/* LCD_COLOR8 */
+
+/*----------------------------------------------------------------------*/
+
+#if LCD_BPP == LCD_MONOCHROME
+static
+void lcd_initcolregs (void)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile cpm8xx_t *cp = &(immr->im_cpm);
+	ushort regno;
+
+	for (regno = 0; regno < 16; regno++) {
+		cp->lcd_cmap[regno * 2] = 0;
+		cp->lcd_cmap[(regno * 2) + 1] = regno & 0x0f;
+	}
+}
+#endif
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_setfgcolor (int color)
+{
+	lcd_color_fg = color & 0x0F;
+}
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_setbgcolor (int color)
+{
+	lcd_color_bg = color & 0x0F;
+}
+
+/*----------------------------------------------------------------------*/
+
+#ifdef	NOT_USED_SO_FAR
+static int lcd_getfgcolor (void)
+{
+	return lcd_color_fg;
+}
+#endif	/* NOT_USED_SO_FAR */
+
+/*----------------------------------------------------------------------*/
+
+static int lcd_getbgcolor (void)
+{
+	return lcd_color_bg;
+}
+
+/*----------------------------------------------------------------------*/
+
+static void lcd_enable (void)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile lcd823_t *lcdp = &immr->im_lcd;
+
+	/* Enable the LCD panel */
+	immr->im_siu_conf.sc_sdcr |= (1 << (31 - 25));		/* LAM = 1 */
+	lcdp->lcd_lccr |= LCCR_PON;
+#if defined(CONFIG_LWMON)
+    {	uchar c = pic_read (0x60);
+    	c |= 0x07;	/* Power on CCFL, Enable CCFL, Chip Enable LCD */
+	pic_write (0x60, c);
+    }
+#elif defined(CONFIG_R360MPI)
+    {
+	extern void r360_pwm_write (uchar reg, uchar val);
+
+	r360_pwm_write(8, 1);
+	r360_pwm_write(0, 4);
+	r360_pwm_write(1, 6);
+    }
+#endif /* CONFIG_LWMON */
+}
+
+/*----------------------------------------------------------------------*/
+
+#ifdef	NOT_USED_SO_FAR
+static void lcd_disable (void)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile lcd823_t *lcdp = &immr->im_lcd;
+
+#if defined(CONFIG_LWMON)
+    {	uchar c = pic_read (0x60);
+    	c &= ~0x07;	/* Power off CCFL, Disable CCFL, Chip Disable LCD */
+	pic_write (0x60, c);
+    }
+#elif defined(CONFIG_R360MPI)
+    {
+	extern void r360_pwm_write (uchar reg, uchar val);
+
+	r360_pwm_write(0, 0);
+	r360_pwm_write(1, 0);
+    }
+#endif /* CONFIG_LWMON */
+	/* Disable the LCD panel */
+	lcdp->lcd_lccr &= ~LCCR_PON;
+	immr->im_siu_conf.sc_sdcr &= ~(1 << (31 - 25));	/* LAM = 0 */
+}
+#endif	/* NOT_USED_SO_FAR */
+
+
+/************************************************************************/
+/* ** Chipset depending Bitmap / Logo stuff...				*/
+/************************************************************************/
+
+
+#ifdef CONFIG_LCD_LOGO
+static void bitmap_plot (int x, int y)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile cpm8xx_t *cp = &(immr->im_cpm);
+	ushort *cmap;
+	ushort i;
+	uchar *bmap;
+	uchar *fb;
+
+	debug ("Logo: width %d  height %d  colors %d  cmap %d\n",
+		BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
+		sizeof(bmp_logo_palette)/(sizeof(ushort))
+	);
+
+	/* Leave room for default color map */
+	cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
+
+	/* Set color map */
+	for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
+		ushort colreg = bmp_logo_palette[i];
+#ifdef	CFG_INVERT_COLORS
+		colreg ^= 0xFFF;
+#endif
+		*cmap++ = colreg;
+	}
+
+	bmap = &bmp_logo_bitmap[0];
+	fb   = (char *)(lcd_base + y * lcd_line_length + x);
+
+	for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
+		memcpy (fb, bmap, BMP_LOGO_WIDTH);
+		bmap += BMP_LOGO_WIDTH;
+		fb   += panel_info.vl_col;
+	}
+}
+#endif /* CONFIG_LCD_LOGO */
+
+/*----------------------------------------------------------------------*/
+
+static void *lcd_logo (void)
+{
+#ifdef LCD_INFO
+	DECLARE_GLOBAL_DATA_PTR;
+
+	char info[80];
+	char temp[32];
+#endif /* LCD_INFO */
+
+#ifdef CONFIG_LCD_LOGO
+	bitmap_plot (0, 0);
+#endif /* CONFIG_LCD_LOGO */
+
+
+#ifdef LCD_INFO
+	sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
+	lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, info, strlen(info));
+
+	sprintf (info, "(C) 2002 DENX Software Engineering");
+	lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
+					info, strlen(info));
+
+	sprintf (info, "    Wolfgang DENK, wd@denx.de");
+	lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
+					info, strlen(info));
+#ifdef LCD_INFO_BELOW_LOGO
+	sprintf (info, "MPC823 CPU at %s MHz",
+		strmhz(temp, gd->cpu_clk));
+	lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
+					info, strlen(info));
+	sprintf (info, "  %ld MB RAM, %ld MB Flash",
+		gd->ram_size >> 20,
+		gd->bd->bi_flashsize >> 20 );
+	lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
+					info, strlen(info));
+#else
+	/* leave one blank line */
+
+	sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash",
+		strmhz(temp, gd->cpu_clk),
+		gd->ram_size >> 20,
+		gd->bd->bi_flashsize >> 20 );
+	lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
+					info, strlen(info));
+#endif /* LCD_INFO_BELOW_LOGO */
+#endif /* LCD_INFO */
+
+#if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
+	return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
+#else
+	return ((void *)lcd_base);
+#endif	/* CONFIG_LCD_LOGO */
+}
+
+/************************************************************************/
+/************************************************************************/
+
+#endif /* CONFIG_LCD */