2 * Common LCD routines for supported CPUs
4 * (C) Copyright 2001-2002
5 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 /************************************************************************/
28 /************************************************************************/
36 #include <linux/types.h>
37 #include <stdio_dev.h>
38 #if defined(CONFIG_POST)
44 #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
45 defined(CONFIG_CPU_MONAHANS)
46 #define CONFIG_CPU_PXA
47 #include <asm/byteorder.h>
50 #if defined(CONFIG_MPC823)
54 #if defined(CONFIG_ATMEL_LCD)
55 #include <atmel_lcdc.h>
58 /************************************************************************/
60 /************************************************************************/
61 #include <video_font.h> /* Get font data, width and height */
62 #include <video_font_data.h>
64 /************************************************************************/
66 /************************************************************************/
67 #ifdef CONFIG_LCD_LOGO
68 # include <bmp_logo.h> /* Get logo data, width and height */
69 # include <bmp_logo_data.h>
70 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
71 # error Default Color Map overlaps with Logo Color Map
75 DECLARE_GLOBAL_DATA_PTR
;
77 ulong
lcd_setmem (ulong addr
);
79 static void lcd_drawchars (ushort x
, ushort y
, uchar
*str
, int count
);
80 static inline void lcd_puts_xy (ushort x
, ushort y
, uchar
*s
);
81 static inline void lcd_putc_xy (ushort x
, ushort y
, uchar c
);
83 static int lcd_init (void *lcdbase
);
85 static void *lcd_logo (void);
87 static int lcd_getbgcolor (void);
88 static void lcd_setfgcolor (int color
);
89 static void lcd_setbgcolor (int color
);
91 char lcd_is_enabled
= 0;
93 #ifdef NOT_USED_SO_FAR
94 static void lcd_getcolreg (ushort regno
,
95 ushort
*red
, ushort
*green
, ushort
*blue
);
96 static int lcd_getfgcolor (void);
97 #endif /* NOT_USED_SO_FAR */
99 /************************************************************************/
101 /*----------------------------------------------------------------------*/
103 static void console_scrollup (void)
105 /* Copy up rows ignoring the first one */
106 memcpy (CONSOLE_ROW_FIRST
, CONSOLE_ROW_SECOND
, CONSOLE_SCROLL_SIZE
);
108 /* Clear the last one */
109 memset (CONSOLE_ROW_LAST
, COLOR_MASK(lcd_color_bg
), CONSOLE_ROW_SIZE
);
112 /*----------------------------------------------------------------------*/
114 static inline void console_back (void)
116 if (--console_col
< 0) {
117 console_col
= CONSOLE_COLS
-1 ;
118 if (--console_row
< 0) {
123 lcd_putc_xy (console_col
* VIDEO_FONT_WIDTH
,
124 console_row
* VIDEO_FONT_HEIGHT
,
128 /*----------------------------------------------------------------------*/
130 static inline void console_newline (void)
135 /* Check if we need to scroll the terminal */
136 if (console_row
>= CONSOLE_ROWS
) {
137 /* Scroll everything up */
138 console_scrollup () ;
143 /*----------------------------------------------------------------------*/
145 void lcd_putc (const char c
)
147 if (!lcd_is_enabled
) {
153 case '\r': console_col
= 0;
156 case '\n': console_newline();
159 case '\t': /* Tab (8 chars alignment) */
163 if (console_col
>= CONSOLE_COLS
) {
168 case '\b': console_back();
171 default: lcd_putc_xy (console_col
* VIDEO_FONT_WIDTH
,
172 console_row
* VIDEO_FONT_HEIGHT
,
174 if (++console_col
>= CONSOLE_COLS
) {
182 /*----------------------------------------------------------------------*/
184 void lcd_puts (const char *s
)
186 if (!lcd_is_enabled
) {
196 /*----------------------------------------------------------------------*/
198 void lcd_printf(const char *fmt
, ...)
201 char buf
[CONFIG_SYS_PBSIZE
];
204 vsprintf(buf
, fmt
, args
);
210 /************************************************************************/
211 /* ** Low-Level Graphics Routines */
212 /************************************************************************/
214 static void lcd_drawchars (ushort x
, ushort y
, uchar
*str
, int count
)
219 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
220 y
+= BMP_LOGO_HEIGHT
;
223 #if LCD_BPP == LCD_MONOCHROME
224 ushort off
= x
* (1 << LCD_BPP
) % 8;
227 dest
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* (1 << LCD_BPP
) / 8);
229 for (row
=0; row
< VIDEO_FONT_HEIGHT
; ++row
, dest
+= lcd_line_length
) {
232 #if LCD_BPP == LCD_COLOR16
233 ushort
*d
= (ushort
*)dest
;
238 #if LCD_BPP == LCD_MONOCHROME
239 uchar rest
= *d
& -(1 << (8-off
));
242 for (i
=0; i
<count
; ++i
) {
246 bits
= video_fontdata
[c
* VIDEO_FONT_HEIGHT
+ row
];
248 #if LCD_BPP == LCD_MONOCHROME
249 sym
= (COLOR_MASK(lcd_color_fg
) & bits
) |
250 (COLOR_MASK(lcd_color_bg
) & ~bits
);
252 *d
++ = rest
| (sym
>> off
);
253 rest
= sym
<< (8-off
);
254 #elif LCD_BPP == LCD_COLOR8
255 for (c
=0; c
<8; ++c
) {
256 *d
++ = (bits
& 0x80) ?
257 lcd_color_fg
: lcd_color_bg
;
260 #elif LCD_BPP == LCD_COLOR16
261 for (c
=0; c
<8; ++c
) {
262 *d
++ = (bits
& 0x80) ?
263 lcd_color_fg
: lcd_color_bg
;
268 #if LCD_BPP == LCD_MONOCHROME
269 *d
= rest
| (*d
& ((1 << (8-off
)) - 1));
274 /*----------------------------------------------------------------------*/
276 static inline void lcd_puts_xy (ushort x
, ushort y
, uchar
*s
)
278 lcd_drawchars(x
, y
, s
, strlen((char *)s
));
281 /*----------------------------------------------------------------------*/
283 static inline void lcd_putc_xy (ushort x
, ushort y
, uchar c
)
285 lcd_drawchars(x
, y
, &c
, 1);
288 /************************************************************************/
289 /** Small utility to check that you got the colours right */
290 /************************************************************************/
291 #ifdef LCD_TEST_PATTERN
296 static int test_colors
[N_BLK_HOR
*N_BLK_VERT
] = {
297 CONSOLE_COLOR_RED
, CONSOLE_COLOR_GREEN
, CONSOLE_COLOR_YELLOW
,
298 CONSOLE_COLOR_BLUE
, CONSOLE_COLOR_MAGENTA
, CONSOLE_COLOR_CYAN
,
301 static void test_pattern (void)
303 ushort v_max
= panel_info
.vl_row
;
304 ushort h_max
= panel_info
.vl_col
;
305 ushort v_step
= (v_max
+ N_BLK_VERT
- 1) / N_BLK_VERT
;
306 ushort h_step
= (h_max
+ N_BLK_HOR
- 1) / N_BLK_HOR
;
308 uchar
*pix
= (uchar
*)lcd_base
;
310 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
311 h_max
, v_max
, h_step
, v_step
);
313 /* WARNING: Code silently assumes 8bit/pixel */
314 for (v
=0; v
<v_max
; ++v
) {
315 uchar iy
= v
/ v_step
;
316 for (h
=0; h
<h_max
; ++h
) {
317 uchar ix
= N_BLK_HOR
* iy
+ (h
/h_step
);
318 *pix
++ = test_colors
[ix
];
322 #endif /* LCD_TEST_PATTERN */
325 /************************************************************************/
326 /* ** GENERIC Initialization Routines */
327 /************************************************************************/
329 int drv_lcd_init (void)
331 struct stdio_dev lcddev
;
334 lcd_base
= (void *)(gd
->fb_base
);
336 lcd_line_length
= (panel_info
.vl_col
* NBITS (panel_info
.vl_bpix
)) / 8;
338 lcd_init (lcd_base
); /* LCD initialization */
340 /* Device initialization */
341 memset (&lcddev
, 0, sizeof (lcddev
));
343 strcpy (lcddev
.name
, "lcd");
344 lcddev
.ext
= 0; /* No extensions */
345 lcddev
.flags
= DEV_FLAGS_OUTPUT
; /* Output only */
346 lcddev
.putc
= lcd_putc
; /* 'putc' function */
347 lcddev
.puts
= lcd_puts
; /* 'puts' function */
349 rc
= stdio_register (&lcddev
);
351 return (rc
== 0) ? 1 : rc
;
354 /*----------------------------------------------------------------------*/
356 int do_lcd_clear(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *const argv
[])
364 #if LCD_BPP == LCD_MONOCHROME
365 /* Setting the palette */
368 #elif LCD_BPP == LCD_COLOR8
369 /* Setting the palette */
370 lcd_setcolreg (CONSOLE_COLOR_BLACK
, 0, 0, 0);
371 lcd_setcolreg (CONSOLE_COLOR_RED
, 0xFF, 0, 0);
372 lcd_setcolreg (CONSOLE_COLOR_GREEN
, 0, 0xFF, 0);
373 lcd_setcolreg (CONSOLE_COLOR_YELLOW
, 0xFF, 0xFF, 0);
374 lcd_setcolreg (CONSOLE_COLOR_BLUE
, 0, 0, 0xFF);
375 lcd_setcolreg (CONSOLE_COLOR_MAGENTA
, 0xFF, 0, 0xFF);
376 lcd_setcolreg (CONSOLE_COLOR_CYAN
, 0, 0xFF, 0xFF);
377 lcd_setcolreg (CONSOLE_COLOR_GREY
, 0xAA, 0xAA, 0xAA);
378 lcd_setcolreg (CONSOLE_COLOR_WHITE
, 0xFF, 0xFF, 0xFF);
381 #ifndef CONFIG_SYS_WHITE_ON_BLACK
382 lcd_setfgcolor (CONSOLE_COLOR_BLACK
);
383 lcd_setbgcolor (CONSOLE_COLOR_WHITE
);
385 lcd_setfgcolor (CONSOLE_COLOR_WHITE
);
386 lcd_setbgcolor (CONSOLE_COLOR_BLACK
);
387 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
389 #ifdef LCD_TEST_PATTERN
392 /* set framebuffer to background color */
393 memset ((char *)lcd_base
,
394 COLOR_MASK(lcd_getbgcolor()),
395 lcd_line_length
*panel_info
.vl_row
);
397 /* Paint the logo and retrieve LCD base address */
398 debug ("[LCD] Drawing the logo...\n");
399 lcd_console_address
= lcd_logo ();
406 cls
, 1, 1, do_lcd_clear
,
411 /*----------------------------------------------------------------------*/
413 static int lcd_init (void *lcdbase
)
415 /* Initialize the lcd controller */
416 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase
);
418 lcd_ctrl_init (lcdbase
);
423 /* Initialize the console */
425 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
426 console_row
= 7 + BMP_LOGO_HEIGHT
/ VIDEO_FONT_HEIGHT
;
428 console_row
= 1; /* leave 1 blank line below logo */
435 /************************************************************************/
436 /* ** ROM capable initialization part - needed to reserve FB memory */
437 /************************************************************************/
439 * This is called early in the system initialization to grab memory
440 * for the LCD controller.
441 * Returns new address for monitor, after reserving LCD buffer memory
443 * Note that this is running from ROM, so no write access to global data.
445 ulong
lcd_setmem (ulong addr
)
448 int line_length
= (panel_info
.vl_col
* NBITS (panel_info
.vl_bpix
)) / 8;
450 debug ("LCD panel info: %d x %d, %d bit/pix\n",
451 panel_info
.vl_col
, panel_info
.vl_row
, NBITS (panel_info
.vl_bpix
) );
453 size
= line_length
* panel_info
.vl_row
;
455 /* Round up to nearest full page */
456 size
= (size
+ (PAGE_SIZE
- 1)) & ~(PAGE_SIZE
- 1);
458 /* Allocate pages for the frame buffer. */
461 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size
>>10, addr
);
466 /*----------------------------------------------------------------------*/
468 static void lcd_setfgcolor (int color
)
470 lcd_color_fg
= color
;
473 /*----------------------------------------------------------------------*/
475 static void lcd_setbgcolor (int color
)
477 lcd_color_bg
= color
;
480 /*----------------------------------------------------------------------*/
482 #ifdef NOT_USED_SO_FAR
483 static int lcd_getfgcolor (void)
487 #endif /* NOT_USED_SO_FAR */
489 /*----------------------------------------------------------------------*/
491 static int lcd_getbgcolor (void)
496 /*----------------------------------------------------------------------*/
498 /************************************************************************/
499 /* ** Chipset depending Bitmap / Logo stuff... */
500 /************************************************************************/
501 #ifdef CONFIG_LCD_LOGO
502 void bitmap_plot (int x
, int y
)
504 #ifdef CONFIG_ATMEL_LCD
513 #if defined(CONFIG_CPU_PXA)
514 struct pxafb_info
*fbi
= &panel_info
.pxa
;
515 #elif defined(CONFIG_MPC823)
516 volatile immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
517 volatile cpm8xx_t
*cp
= &(immr
->im_cpm
);
520 debug ("Logo: width %d height %d colors %d cmap %d\n",
521 BMP_LOGO_WIDTH
, BMP_LOGO_HEIGHT
, BMP_LOGO_COLORS
,
522 ARRAY_SIZE(bmp_logo_palette
));
524 bmap
= &bmp_logo_bitmap
[0];
525 fb
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
);
527 if (NBITS(panel_info
.vl_bpix
) < 12) {
528 /* Leave room for default color map */
529 #if defined(CONFIG_CPU_PXA)
530 cmap
= (ushort
*)fbi
->palette
;
531 #elif defined(CONFIG_MPC823)
532 cmap
= (ushort
*)&(cp
->lcd_cmap
[BMP_LOGO_OFFSET
*sizeof(ushort
)]);
533 #elif defined(CONFIG_ATMEL_LCD)
534 cmap
= (uint
*) (panel_info
.mmio
+ ATMEL_LCDC_LUT(0));
537 * default case: generic system with no cmap (most likely 16bpp)
538 * We set cmap to the source palette, so no change is done.
539 * This avoids even more ifdef in the next stanza
541 cmap
= bmp_logo_palette
;
547 for (i
= 0; i
< ARRAY_SIZE(bmp_logo_palette
); ++i
) {
548 ushort colreg
= bmp_logo_palette
[i
];
549 #ifdef CONFIG_ATMEL_LCD
551 #ifdef CONFIG_ATMEL_LCD_BGR555
552 lut_entry
= ((colreg
& 0x000F) << 11) |
553 ((colreg
& 0x00F0) << 2) |
554 ((colreg
& 0x0F00) >> 7);
555 #else /* CONFIG_ATMEL_LCD_RGB565 */
556 lut_entry
= ((colreg
& 0x000F) << 1) |
557 ((colreg
& 0x00F0) << 3) |
558 ((colreg
& 0x0F00) << 4);
560 *(cmap
+ BMP_LOGO_OFFSET
) = lut_entry
;
562 #else /* !CONFIG_ATMEL_LCD */
563 #ifdef CONFIG_SYS_INVERT_COLORS
564 *cmap
++ = 0xffff - colreg
;
568 #endif /* CONFIG_ATMEL_LCD */
573 for (i
=0; i
<BMP_LOGO_HEIGHT
; ++i
) {
574 memcpy (fb
, bmap
, BMP_LOGO_WIDTH
);
575 bmap
+= BMP_LOGO_WIDTH
;
576 fb
+= panel_info
.vl_col
;
579 else { /* true color mode */
581 fb16
= (ushort
*)(lcd_base
+ y
* lcd_line_length
+ x
);
582 for (i
=0; i
<BMP_LOGO_HEIGHT
; ++i
) {
583 for (j
=0; j
<BMP_LOGO_WIDTH
; j
++) {
584 col16
= bmp_logo_palette
[(bmap
[j
]-16)];
586 ((col16
& 0x000F) << 1) |
587 ((col16
& 0x00F0) << 3) |
588 ((col16
& 0x0F00) << 4);
590 bmap
+= BMP_LOGO_WIDTH
;
591 fb16
+= panel_info
.vl_col
;
598 static inline void bitmap_plot(int x
, int y
) {}
599 #endif /* CONFIG_LCD_LOGO */
601 /*----------------------------------------------------------------------*/
602 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
604 * Display the BMP file located at address bmp_image.
608 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
609 #define BMP_ALIGN_CENTER 0x7FFF
612 int lcd_display_bitmap(ulong bmp_image
, int x
, int y
)
614 #if !defined(CONFIG_MCC200)
617 ushort
*cmap_base
= NULL
;
620 bmp_image_t
*bmp
=(bmp_image_t
*)bmp_image
;
623 unsigned long width
, height
, byte_width
;
624 unsigned long pwidth
= panel_info
.vl_col
;
625 unsigned colors
, bpix
, bmp_bpix
;
626 #if defined(CONFIG_CPU_PXA)
627 struct pxafb_info
*fbi
= &panel_info
.pxa
;
628 #elif defined(CONFIG_MPC823)
629 volatile immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
630 volatile cpm8xx_t
*cp
= &(immr
->im_cpm
);
633 if (!((bmp
->header
.signature
[0]=='B') &&
634 (bmp
->header
.signature
[1]=='M'))) {
635 printf ("Error: no valid bmp image at %lx\n", bmp_image
);
639 width
= le32_to_cpu (bmp
->header
.width
);
640 height
= le32_to_cpu (bmp
->header
.height
);
641 bmp_bpix
= le16_to_cpu(bmp
->header
.bit_count
);
642 colors
= 1 << bmp_bpix
;
644 bpix
= NBITS(panel_info
.vl_bpix
);
646 if ((bpix
!= 1) && (bpix
!= 8) && (bpix
!= 16) && (bpix
!= 32)) {
647 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
652 /* We support displaying 8bpp BMPs on 16bpp LCDs */
653 if (bpix
!= bmp_bpix
&& (bmp_bpix
!= 8 || bpix
!= 16 || bpix
!= 32)) {
654 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
656 le16_to_cpu(bmp
->header
.bit_count
));
660 debug ("Display-bmp: %d x %d with %d colors\n",
661 (int)width
, (int)height
, (int)colors
);
663 #if !defined(CONFIG_MCC200)
664 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
666 #if defined(CONFIG_CPU_PXA)
667 cmap
= (ushort
*)fbi
->palette
;
668 #elif defined(CONFIG_MPC823)
669 cmap
= (ushort
*)&(cp
->lcd_cmap
[255*sizeof(ushort
)]);
670 #elif !defined(CONFIG_ATMEL_LCD) && !defined(CONFIG_EXYNOS_FB)
671 cmap
= panel_info
.cmap
;
677 for (i
=0; i
<colors
; ++i
) {
678 bmp_color_table_entry_t cte
= bmp
->color_table
[i
];
679 #if !defined(CONFIG_ATMEL_LCD)
681 ( ((cte
.red
) << 8) & 0xf800) |
682 ( ((cte
.green
) << 3) & 0x07e0) |
683 ( ((cte
.blue
) >> 3) & 0x001f) ;
684 #ifdef CONFIG_SYS_INVERT_COLORS
685 *cmap
= 0xffff - colreg
;
689 #if defined(CONFIG_MPC823)
694 #else /* CONFIG_ATMEL_LCD */
695 lcd_setcolreg(i
, cte
.red
, cte
.green
, cte
.blue
);
702 * BMP format for Monochrome assumes that the state of a
703 * pixel is described on a per Bit basis, not per Byte.
704 * So, in case of Monochrome BMP we should align widths
705 * on a byte boundary and convert them from Bit to Byte
707 * Probably, PXA250 and MPC823 process 1bpp BMP images in
708 * their own ways, so make the converting to be MCC200
711 #if defined(CONFIG_MCC200)
714 width
= ((width
+ 7) & ~7) >> 3;
715 x
= ((x
+ 7) & ~7) >> 3;
716 pwidth
= ((pwidth
+ 7) & ~7) >> 3;
720 padded_line
= (width
&0x3) ? ((width
&~0x3)+4) : (width
);
722 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
723 if (x
== BMP_ALIGN_CENTER
)
724 x
= max(0, (pwidth
- width
) / 2);
726 x
= max(0, pwidth
- width
+ x
+ 1);
728 if (y
== BMP_ALIGN_CENTER
)
729 y
= max(0, (panel_info
.vl_row
- height
) / 2);
731 y
= max(0, panel_info
.vl_row
- height
+ y
+ 1);
732 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
734 if ((x
+ width
)>pwidth
)
736 if ((y
+ height
)>panel_info
.vl_row
)
737 height
= panel_info
.vl_row
- y
;
739 bmap
= (uchar
*)bmp
+ le32_to_cpu (bmp
->header
.data_offset
);
740 fb
= (uchar
*) (lcd_base
+
741 (y
+ height
- 1) * lcd_line_length
+ x
* bpix
/ 8);
744 case 1: /* pass through */
749 byte_width
= width
* 2;
751 for (i
= 0; i
< height
; ++i
) {
753 for (j
= 0; j
< width
; j
++) {
755 #if defined(CONFIG_CPU_PXA) || defined(CONFIG_ATMEL_LCD)
757 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
758 *(fb
++) = 255 - *(bmap
++);
761 *(uint16_t *)fb
= cmap_base
[*(bmap
++)];
762 fb
+= sizeof(uint16_t) / sizeof(*fb
);
765 bmap
+= (width
- padded_line
);
766 fb
-= (byte_width
+ lcd_line_length
);
770 #if defined(CONFIG_BMP_16BPP)
772 for (i
= 0; i
< height
; ++i
) {
774 for (j
= 0; j
< width
; j
++) {
775 #if defined(CONFIG_ATMEL_LCD_BGR555)
776 *(fb
++) = ((bmap
[0] & 0x1f) << 2) |
778 *(fb
++) = (bmap
[0] & 0xe0) |
779 ((bmap
[1] & 0x7c) >> 2);
786 bmap
+= (padded_line
- width
) * 2;
787 fb
-= (width
* 2 + lcd_line_length
);
790 #endif /* CONFIG_BMP_16BPP */
792 #if defined(CONFIG_BMP_32BPP)
794 for (i
= 0; i
< height
; ++i
) {
795 for (j
= 0; j
< width
; j
++) {
801 fb
-= (lcd_line_length
+ width
* (bpix
/ 8));
804 #endif /* CONFIG_BMP_32BPP */
813 static void *lcd_logo (void)
815 #ifdef CONFIG_SPLASH_SCREEN
818 static int do_splash
= 1;
820 if (do_splash
&& (s
= getenv("splashimage")) != NULL
) {
824 addr
= simple_strtoul (s
, NULL
, 16);
825 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
826 if ((s
= getenv ("splashpos")) != NULL
) {
828 x
= BMP_ALIGN_CENTER
;
830 x
= simple_strtol (s
, NULL
, 0);
832 if ((s
= strchr (s
+ 1, ',')) != NULL
) {
834 y
= BMP_ALIGN_CENTER
;
836 y
= simple_strtol (s
+ 1, NULL
, 0);
839 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
841 #ifdef CONFIG_VIDEO_BMP_GZIP
842 bmp_image_t
*bmp
= (bmp_image_t
*)addr
;
845 if (!((bmp
->header
.signature
[0]=='B') &&
846 (bmp
->header
.signature
[1]=='M'))) {
847 addr
= (ulong
)gunzip_bmp(addr
, &len
);
851 if (lcd_display_bitmap (addr
, x
, y
) == 0) {
852 return ((void *)lcd_base
);
855 #endif /* CONFIG_SPLASH_SCREEN */
859 #ifdef CONFIG_LCD_INFO
860 console_col
= LCD_INFO_X
/ VIDEO_FONT_WIDTH
;
861 console_row
= LCD_INFO_Y
/ VIDEO_FONT_HEIGHT
;
862 lcd_show_board_info();
863 #endif /* CONFIG_LCD_INFO */
865 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
866 return ((void *)((ulong
)lcd_base
+ BMP_LOGO_HEIGHT
* lcd_line_length
));
868 return ((void *)lcd_base
);
869 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
872 /************************************************************************/
873 /************************************************************************/