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* Code cleanup:
[u-boot.git] / cpu / mpc8xx / lcd.c
1 /*
2 * (C) Copyright 2001-2002
3 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24 /************************************************************************/
25 /* ** HEADER FILES */
26 /************************************************************************/
27
28 #include <config.h>
29 #include <common.h>
30 #include <watchdog.h>
31 #include <version.h>
32 #include <stdarg.h>
33 #include <lcdvideo.h>
34 #include <linux/types.h>
35 #include <devices.h>
36 #if defined(CONFIG_POST)
37 #include <post.h>
38 #endif
39 #include <lcd.h>
40
41 #ifdef CONFIG_LCD
42
43 /************************************************************************/
44 /* ** CONFIG STUFF -- should be moved to board config file */
45 /************************************************************************/
46 #define CONFIG_LCD_LOGO
47 #define LCD_INFO /* Display Logo, (C) and system info */
48
49 #if defined(CONFIG_V37) || defined(CONFIG_EDT32F10)
50 #undef CONFIG_LCD_LOGO
51 #undef LCD_INFO
52 #endif
53
54 /* #define LCD_TEST_PATTERN */ /* color backgnd for frame/color adjust */
55 /* #define CFG_INVERT_COLORS */ /* Not needed - adjust vl_dp instead */
56 /************************************************************************/
57
58 /************************************************************************/
59 /* ** BITMAP DISPLAY SUPPORT -- should probably be moved elsewhere */
60 /************************************************************************/
61
62 #if (CONFIG_COMMANDS & CFG_CMD_BMP)
63 #include <bmp_layout.h>
64 #endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) */
65
66 /************************************************************************/
67 /* ** FONT AND LOGO DATA */
68 /************************************************************************/
69
70 #include <video_font.h> /* Get font data, width and height */
71
72 #ifdef CONFIG_LCD_LOGO
73 # include <bmp_logo.h> /* Get logo data, width and height */
74 #endif
75
76 /************************************************************************/
77 /************************************************************************/
78
79 /*
80 * Information about displays we are using. This is for configuring
81 * the LCD controller and memory allocation. Someone has to know what
82 * is connected, as we can't autodetect anything.
83 */
84 #define CFG_HIGH 0 /* Pins are active high */
85 #define CFG_LOW 1 /* Pins are active low */
86
87 typedef struct vidinfo {
88 ushort vl_col; /* Number of columns (i.e. 640) */
89 ushort vl_row; /* Number of rows (i.e. 480) */
90 ushort vl_width; /* Width of display area in millimeters */
91 ushort vl_height; /* Height of display area in millimeters */
92
93 /* LCD configuration register.
94 */
95 u_char vl_clkp; /* Clock polarity */
96 u_char vl_oep; /* Output Enable polarity */
97 u_char vl_hsp; /* Horizontal Sync polarity */
98 u_char vl_vsp; /* Vertical Sync polarity */
99 u_char vl_dp; /* Data polarity */
100 u_char vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8 */
101 u_char vl_lbw; /* LCD Bus width, 0 = 4, 1 = 8 */
102 u_char vl_splt; /* Split display, 0 = single-scan, 1 = dual-scan */
103 u_char vl_clor; /* Color, 0 = mono, 1 = color */
104 u_char vl_tft; /* 0 = passive, 1 = TFT */
105
106 /* Horizontal control register. Timing from data sheet.
107 */
108 ushort vl_wbl; /* Wait between lines */
109
110 /* Vertical control register.
111 */
112 u_char vl_vpw; /* Vertical sync pulse width */
113 u_char vl_lcdac; /* LCD AC timing */
114 u_char vl_wbf; /* Wait between frames */
115 } vidinfo_t;
116
117 #define LCD_MONOCHROME 0
118 #define LCD_COLOR2 1
119 #define LCD_COLOR4 2
120 #define LCD_COLOR8 3
121
122 /*----------------------------------------------------------------------*/
123 #ifdef CONFIG_KYOCERA_KCS057QV1AJ
124 /*
125 * Kyocera KCS057QV1AJ-G23. Passive, color, single scan.
126 */
127 #define LCD_BPP LCD_COLOR4
128
129 static vidinfo_t panel_info = {
130 640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
131 LCD_BPP, 1, 0, 1, 0, 5, 0, 0, 0
132 /* wbl, vpw, lcdac, wbf */
133 };
134 #endif /* CONFIG_KYOCERA_KCS057QV1AJ */
135 /*----------------------------------------------------------------------*/
136
137 /*----------------------------------------------------------------------*/
138 #ifdef CONFIG_HITACHI_SP19X001_Z1A
139 /*
140 * Hitachi SP19X001-. Active, color, single scan.
141 */
142 static vidinfo_t panel_info = {
143 640, 480, 154, 116, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
144 LCD_COLOR8, 1, 0, 1, 0, 0, 0, 0, 0
145 /* wbl, vpw, lcdac, wbf */
146 };
147 #endif /* CONFIG_HITACHI_SP19X001_Z1A */
148 /*----------------------------------------------------------------------*/
149
150 /*----------------------------------------------------------------------*/
151 #ifdef CONFIG_NEC_NL6648AC33
152 /*
153 * NEC NL6648AC33-18. Active, color, single scan.
154 */
155 static vidinfo_t panel_info = {
156 640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
157 3, 0, 0, 1, 1, 144, 2, 0, 33
158 /* wbl, vpw, lcdac, wbf */
159 };
160 #endif /* CONFIG_NEC_NL6648AC33 */
161 /*----------------------------------------------------------------------*/
162
163 #ifdef CONFIG_NEC_NL6648BC20
164 /*
165 * NEC NL6648BC20-08. 6.5", 640x480. Active, color, single scan.
166 */
167 static vidinfo_t panel_info = {
168 640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
169 3, 0, 0, 1, 1, 144, 2, 0, 33
170 /* wbl, vpw, lcdac, wbf */
171 };
172 #endif /* CONFIG_NEC_NL6648BC20 */
173 /*----------------------------------------------------------------------*/
174
175 #ifdef CONFIG_SHARP_LQ104V7DS01
176 /*
177 * SHARP LQ104V7DS01. 6.5", 640x480. Active, color, single scan.
178 */
179 static vidinfo_t panel_info = {
180 640, 480, 132, 99, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_LOW,
181 3, 0, 0, 1, 1, 25, 1, 0, 33
182 /* wbl, vpw, lcdac, wbf */
183 };
184 #endif /* CONFIG_SHARP_LQ104V7DS01 */
185 /*----------------------------------------------------------------------*/
186
187 #ifdef CONFIG_SHARP_16x9
188 /*
189 * Sharp 320x240. Active, color, single scan. It isn't 16x9, and I am
190 * not sure what it is.......
191 */
192 static vidinfo_t panel_info = {
193 320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH,
194 3, 0, 0, 1, 1, 15, 4, 0, 3
195 };
196 #endif /* CONFIG_SHARP_16x9 */
197 /*----------------------------------------------------------------------*/
198
199 #ifdef CONFIG_SHARP_LQ057Q3DC02
200 /*
201 * Sharp LQ057Q3DC02 display. Active, color, single scan.
202 */
203 #define LCD_DF 12
204
205 static vidinfo_t panel_info = {
206 320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
207 3, 0, 0, 1, 1, 15, 4, 0, 3
208 /* wbl, vpw, lcdac, wbf */
209 };
210 #define LCD_INFO_BELOW_LOGO
211 #endif /* CONFIG_SHARP_LQ057Q3DC02 */
212 /*----------------------------------------------------------------------*/
213
214 #ifdef CONFIG_SHARP_LQ64D341
215 /*
216 * Sharp LQ64D341 display, 640x480. Active, color, single scan.
217 */
218 static vidinfo_t panel_info = {
219 640, 480, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
220 3, 0, 0, 1, 1, 128, 16, 0, 32
221 /* wbl, vpw, lcdac, wbf */
222 };
223 #endif /* CONFIG_SHARP_LQ64D341 */
224
225 #ifdef CONFIG_SHARP_LQ084V1DG21
226 /*
227 * Sharp LQ084V1DG21 display, 640x480. Active, color, single scan.
228 */
229 static vidinfo_t panel_info = {
230 640, 480, 171, 129, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_LOW,
231 3, 0, 0, 1, 1, 160, 3, 0, 48
232 /* wbl, vpw, lcdac, wbf */
233 };
234 #endif /* CONFIG_SHARP_LQ084V1DG21 */
235
236 /*----------------------------------------------------------------------*/
237
238 #ifdef CONFIG_HLD1045
239 /*
240 * HLD1045 display, 640x480. Active, color, single scan.
241 */
242 static vidinfo_t panel_info = {
243 640, 480, 0, 0, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
244 3, 0, 0, 1, 1, 160, 3, 0, 48
245 /* wbl, vpw, lcdac, wbf */
246 };
247 #endif /* CONFIG_HLD1045 */
248 /*----------------------------------------------------------------------*/
249
250 #ifdef CONFIG_PRIMEVIEW_V16C6448AC
251 /*
252 * Prime View V16C6448AC
253 */
254 static vidinfo_t panel_info = {
255 640, 480, 130, 98, CFG_HIGH, CFG_HIGH, CFG_LOW, CFG_LOW, CFG_HIGH,
256 3, 0, 0, 1, 1, 144, 2, 0, 35
257 /* wbl, vpw, lcdac, wbf */
258 };
259 #endif /* CONFIG_PRIMEVIEW_V16C6448AC */
260
261 /*----------------------------------------------------------------------*/
262
263 #ifdef CONFIG_OPTREX_BW
264 /*
265 * Optrex CBL50840-2 NF-FW 99 22 M5
266 * or
267 * Hitachi LMG6912RPFC-00T
268 * or
269 * Hitachi SP14Q002
270 *
271 * 320x240. Black & white.
272 */
273 #define OPTREX_BPP 0 /* 0 - monochrome, 1 bpp */
274 /* 1 - 4 grey levels, 2 bpp */
275 /* 2 - 16 grey levels, 4 bpp */
276 static vidinfo_t panel_info = {
277 320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW,
278 OPTREX_BPP, 0, 0, 0, 0, 0, 0, 0, 0, 4
279 };
280 #endif /* CONFIG_OPTREX_BW */
281
282 /*-----------------------------------------------------------------*/
283 #ifdef CONFIG_EDT32F10
284 /*
285 * Emerging Display Technologies 320x240. Passive, monochrome, single scan.
286 */
287 #define LCD_BPP LCD_MONOCHROME
288 #define LCD_DF 10
289
290 static vidinfo_t panel_info = {
291 320, 240, 0, 0, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_HIGH, CFG_LOW,
292 LCD_BPP, 0, 0, 0, 0, 33, 0, 0, 0
293 };
294 #endif
295 /*----------------------------------------------------------------------*/
296
297 #if defined(LCD_INFO_BELOW_LOGO)
298 # define LCD_INFO_X 0
299 # define LCD_INFO_Y (BMP_LOGO_HEIGHT + VIDEO_FONT_HEIGHT)
300 #elif defined(CONFIG_LCD_LOGO)
301 # define LCD_INFO_X (BMP_LOGO_WIDTH + 4 * VIDEO_FONT_WIDTH)
302 # define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
303 #else
304 # define LCD_INFO_X (VIDEO_FONT_WIDTH)
305 # define LCD_INFO_Y (VIDEO_FONT_HEIGHT)
306 #endif
307
308 #ifndef LCD_BPP
309 #define LCD_BPP LCD_COLOR8
310 #endif
311 #ifndef LCD_DF
312 #define LCD_DF 1
313 #endif
314
315 #define NBITS(bit_code) (1 << (bit_code))
316 #define NCOLORS(bit_code) (1 << NBITS(bit_code))
317
318 static int lcd_line_length;
319
320 static int lcd_color_fg;
321 static int lcd_color_bg;
322
323 char lcd_is_enabled = 0; /* Indicate that LCD is enabled */
324
325 /*
326 * Frame buffer memory information
327 */
328 static void *lcd_base; /* Start of framebuffer memory */
329 static void *lcd_console_address; /* Start of console buffer */
330
331
332 /************************************************************************/
333 /* ** CONSOLE CONSTANTS */
334 /************************************************************************/
335
336 #if LCD_BPP == LCD_MONOCHROME
337
338 /*
339 * Simple color definitions
340 */
341 #define CONSOLE_COLOR_BLACK 0
342 #define CONSOLE_COLOR_WHITE 1 /* Must remain last / highest */
343
344 #else
345
346 /*
347 * Simple color definitions
348 */
349 #define CONSOLE_COLOR_BLACK 0
350 #define CONSOLE_COLOR_RED 1
351 #define CONSOLE_COLOR_GREEN 2
352 #define CONSOLE_COLOR_YELLOW 3
353 #define CONSOLE_COLOR_BLUE 4
354 #define CONSOLE_COLOR_MAGENTA 5
355 #define CONSOLE_COLOR_CYAN 6
356 #define CONSOLE_COLOR_GREY 14
357 #define CONSOLE_COLOR_WHITE 15 /* Must remain last / highest */
358
359 #endif
360
361 #if defined(CONFIG_LCD_LOGO) && (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
362 #error Default Color Map overlaps with Logo Color Map
363 #endif
364
365 /************************************************************************/
366
367 #ifndef PAGE_SIZE
368 #define PAGE_SIZE 4096
369 #endif
370
371
372 /************************************************************************/
373 /* ** CONSOLE DEFINITIONS & FUNCTIONS */
374 /************************************************************************/
375
376 #if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
377 #define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
378 / VIDEO_FONT_HEIGHT)
379 #else
380 #define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
381 #endif
382 #define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
383 #define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
384 #define CONSOLE_ROW_FIRST (lcd_console_address)
385 #define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
386 #define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
387 - CONSOLE_ROW_SIZE)
388 #define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
389 #define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
390
391 #if LCD_BPP == LCD_MONOCHROME
392 #define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
393 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
394 #elif LCD_BPP == LCD_COLOR8
395 #define COLOR_MASK(c) (c)
396 #else
397 #error Unsupported LCD BPP.
398 #endif
399
400 static short console_col;
401 static short console_row;
402
403 /************************************************************************/
404
405 ulong lcd_setmem (ulong addr);
406
407 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
408 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
409 static inline void lcd_putc_xy (ushort x, ushort y, uchar c);
410
411 int lcd_init (void *lcdbase);
412
413 static void lcd_ctrl_init (void *lcdbase);
414 static void lcd_enable (void);
415 static void *lcd_logo (void);
416 #if LCD_BPP == LCD_COLOR8
417 static void lcd_setcolreg (ushort regno,
418 ushort red, ushort green, ushort blue);
419 #endif
420 #if LCD_BPP == LCD_MONOCHROME
421 static void lcd_initcolregs (void);
422 #endif
423 static int lcd_getbgcolor (void);
424 static void lcd_setfgcolor (int color);
425 static void lcd_setbgcolor (int color);
426
427 #if defined(CONFIG_RBC823)
428 void lcd_disable (void);
429 #endif
430
431 #ifdef NOT_USED_SO_FAR
432 static void lcd_getcolreg (ushort regno,
433 ushort *red, ushort *green, ushort *blue);
434 static int lcd_getfgcolor (void);
435 #endif /* NOT_USED_SO_FAR */
436
437 /************************************************************************/
438
439 /*----------------------------------------------------------------------*/
440
441 static void console_scrollup (void)
442 {
443 #if 1
444 /* Copy up rows ignoring the first one */
445 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
446
447 /* Clear the last one */
448 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
449 #else
450 /*
451 * Poor attempt to optimize speed by moving "long"s.
452 * But the code is ugly, and not a bit faster :-(
453 */
454 ulong *t = (ulong *)CONSOLE_ROW_FIRST;
455 ulong *s = (ulong *)CONSOLE_ROW_SECOND;
456 ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong);
457 uchar c = lcd_color_bg & 0xFF;
458 ulong val= (c<<24) | (c<<16) | (c<<8) | c;
459
460 while (l--)
461 *t++ = *s++;
462
463 t = (ulong *)CONSOLE_ROW_LAST;
464 l = CONSOLE_ROW_SIZE / sizeof(ulong);
465
466 while (l-- > 0)
467 *t++ = val;
468 #endif
469 }
470
471 /*----------------------------------------------------------------------*/
472
473 static inline void console_back (void)
474 {
475 if (--console_col < 0) {
476 console_col = CONSOLE_COLS-1 ;
477 if (--console_row < 0) {
478 console_row = 0;
479 }
480 }
481
482 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
483 console_row * VIDEO_FONT_HEIGHT,
484 ' ');
485 }
486
487 /*----------------------------------------------------------------------*/
488
489 static inline void console_newline (void)
490 {
491 ++console_row;
492 console_col = 0;
493
494 /* Check if we need to scroll the terminal */
495 if (console_row >= CONSOLE_ROWS) {
496 /* Scroll everything up */
497 console_scrollup () ;
498 --console_row;
499 }
500 }
501
502 /*----------------------------------------------------------------------*/
503
504 void lcd_putc (const char c)
505 {
506 if (!lcd_is_enabled) {
507 serial_putc(c);
508 return;
509 }
510
511 switch (c) {
512 case '\r': console_col = 0;
513 return;
514
515 case '\n': console_newline();
516 return;
517
518 case '\t': /* Tab (8 chars alignment) */
519 console_col |= 8;
520 console_col &= ~7;
521
522 if (console_col >= CONSOLE_COLS) {
523 console_newline();
524 }
525 return;
526
527 case '\b': console_back();
528 return;
529
530 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
531 console_row * VIDEO_FONT_HEIGHT,
532 c);
533 if (++console_col >= CONSOLE_COLS) {
534 console_newline();
535 }
536 return;
537 }
538 /* NOTREACHED */
539 }
540
541 /*----------------------------------------------------------------------*/
542
543 void lcd_puts (const char *s)
544 {
545 if (!lcd_is_enabled) {
546 serial_puts (s);
547 return;
548 }
549
550 while (*s) {
551 lcd_putc (*s++);
552 }
553 }
554
555 /************************************************************************/
556 /* ** Low-Level Graphics Routines */
557 /************************************************************************/
558
559 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
560 {
561 uchar *dest;
562 ushort off, row;
563
564 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
565 off = x * (1 << LCD_BPP) % 8;
566
567 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
568 uchar *s = str;
569 uchar *d = dest;
570 int i;
571
572 #if LCD_BPP == LCD_MONOCHROME
573 uchar rest = *d & -(1 << (8-off));
574 uchar sym;
575 #endif
576 for (i=0; i<count; ++i) {
577 uchar c, bits;
578
579 c = *s++;
580 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
581
582 #if LCD_BPP == LCD_MONOCHROME
583 sym = (COLOR_MASK(lcd_color_fg) & bits) |
584 (COLOR_MASK(lcd_color_bg) & ~bits);
585
586 *d++ = rest | (sym >> off);
587 rest = sym << (8-off);
588 #elif LCD_BPP == LCD_COLOR8
589 for (c=0; c<8; ++c) {
590 *d++ = (bits & 0x80) ?
591 lcd_color_fg : lcd_color_bg;
592 bits <<= 1;
593 }
594 #endif
595 }
596
597 #if LCD_BPP == LCD_MONOCHROME
598 *d = rest | (*d & ((1 << (8-off)) - 1));
599 #endif
600 }
601 }
602
603 /*----------------------------------------------------------------------*/
604
605 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
606 {
607 #if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
608 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen (s));
609 #else
610 lcd_drawchars (x, y, s, strlen (s));
611 #endif
612 }
613
614 /*----------------------------------------------------------------------*/
615
616 static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
617 {
618 #if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
619 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
620 #else
621 lcd_drawchars (x, y, &c, 1);
622 #endif
623 }
624
625 /************************************************************************/
626 /** Small utility to check that you got the colours right */
627 /************************************************************************/
628 #ifdef LCD_TEST_PATTERN
629
630 #define N_BLK_VERT 2
631 #define N_BLK_HOR 3
632
633 static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
634 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
635 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
636 };
637
638 static void test_pattern (void)
639 {
640 ushort v_max = panel_info.vl_row;
641 ushort h_max = panel_info.vl_col;
642 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
643 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
644 ushort v, h;
645 uchar *pix = (uchar *)lcd_base;
646
647 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
648 h_max, v_max, h_step, v_step);
649
650 /* WARNING: Code silently assumes 8bit/pixel */
651 for (v=0; v<v_max; ++v) {
652 uchar iy = v / v_step;
653 for (h=0; h<h_max; ++h) {
654 uchar ix = N_BLK_HOR * iy + (h/h_step);
655 *pix++ = test_colors[ix];
656 }
657 }
658 }
659 #endif /* LCD_TEST_PATTERN */
660
661
662 /************************************************************************/
663 /* ** GENERIC Initialization Routines */
664 /************************************************************************/
665
666 int drv_lcd_init (void)
667 {
668 DECLARE_GLOBAL_DATA_PTR;
669
670 device_t lcddev;
671 int rc;
672
673 lcd_base = (void *)(gd->fb_base);
674
675 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
676
677 lcd_init (lcd_base); /* LCD initialization */
678
679 /* Device initialization */
680 memset (&lcddev, 0, sizeof (lcddev));
681
682 strcpy (lcddev.name, "lcd");
683 lcddev.ext = 0; /* No extensions */
684 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
685 lcddev.putc = lcd_putc; /* 'putc' function */
686 lcddev.puts = lcd_puts; /* 'puts' function */
687
688 rc = device_register (&lcddev);
689
690 return (rc == 0) ? 1 : rc;
691 }
692
693 /*----------------------------------------------------------------------*/
694
695 int lcd_init (void *lcdbase)
696 {
697 /* Initialize the lcd controller */
698 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
699
700 lcd_ctrl_init (lcdbase);
701
702 #if LCD_BPP == LCD_MONOCHROME
703 /* Setting the palette */
704 lcd_initcolregs();
705
706 #elif LCD_BPP == LCD_COLOR8
707 /* Setting the palette */
708 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0);
709 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0);
710 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
711 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
712 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
713 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
714 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
715 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
716 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
717 #endif
718
719 #ifndef CFG_WHITE_ON_BLACK
720 lcd_setfgcolor (CONSOLE_COLOR_BLACK);
721 lcd_setbgcolor (CONSOLE_COLOR_WHITE);
722 #else
723 lcd_setfgcolor (CONSOLE_COLOR_WHITE);
724 lcd_setbgcolor (CONSOLE_COLOR_BLACK);
725 #endif /* CFG_WHITE_ON_BLACK */
726
727 #ifdef LCD_TEST_PATTERN
728 test_pattern();
729 #else
730 /* set framebuffer to background color */
731 memset ((char *)lcd_base,
732 COLOR_MASK(lcd_getbgcolor()),
733 lcd_line_length*panel_info.vl_row);
734 #endif
735
736 lcd_enable ();
737
738 /* Paint the logo and retrieve LCD base address */
739 debug ("[LCD] Drawing the logo...\n");
740 lcd_console_address = lcd_logo ();
741
742 /* Initialize the console */
743 console_col = 0;
744 #ifdef LCD_INFO_BELOW_LOGO
745 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
746 #else
747 console_row = 1; /* leave 1 blank line below logo */
748 #endif
749 lcd_is_enabled = 1;
750
751 return 0;
752 }
753
754
755 /************************************************************************/
756 /* ** ROM capable initialization part - needed to reserve FB memory */
757 /************************************************************************/
758
759 /*
760 * This is called early in the system initialization to grab memory
761 * for the LCD controller.
762 * Returns new address for monitor, after reserving LCD buffer memory
763 *
764 * Note that this is running from ROM, so no write access to global data.
765 */
766 ulong lcd_setmem (ulong addr)
767 {
768 ulong size;
769 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
770
771 debug ("LCD panel info: %d x %d, %d bit/pix\n",
772 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
773
774 size = line_length * panel_info.vl_row;
775
776 /* Round up to nearest full page */
777 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
778
779 /* Allocate pages for the frame buffer. */
780 addr -= size;
781
782 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
783
784 return (addr);
785 }
786
787
788 /************************************************************************/
789 /* ----------------- chipset specific functions ----------------------- */
790 /************************************************************************/
791
792 static void lcd_ctrl_init (void *lcdbase)
793 {
794 volatile immap_t *immr = (immap_t *) CFG_IMMR;
795 volatile lcd823_t *lcdp = &immr->im_lcd;
796
797 uint lccrtmp;
798 uint lchcr_hpc_tmp;
799
800 /* Initialize the LCD control register according to the LCD
801 * parameters defined. We do everything here but enable
802 * the controller.
803 */
804
805 lccrtmp = LCDBIT (LCCR_BNUM_BIT,
806 (((panel_info.vl_row * panel_info.vl_col) * (1 << LCD_BPP)) / 128));
807
808 lccrtmp |= LCDBIT (LCCR_CLKP_BIT, panel_info.vl_clkp) |
809 LCDBIT (LCCR_OEP_BIT, panel_info.vl_oep) |
810 LCDBIT (LCCR_HSP_BIT, panel_info.vl_hsp) |
811 LCDBIT (LCCR_VSP_BIT, panel_info.vl_vsp) |
812 LCDBIT (LCCR_DP_BIT, panel_info.vl_dp) |
813 LCDBIT (LCCR_BPIX_BIT, panel_info.vl_bpix) |
814 LCDBIT (LCCR_LBW_BIT, panel_info.vl_lbw) |
815 LCDBIT (LCCR_SPLT_BIT, panel_info.vl_splt) |
816 LCDBIT (LCCR_CLOR_BIT, panel_info.vl_clor) |
817 LCDBIT (LCCR_TFT_BIT, panel_info.vl_tft);
818
819 #if 0
820 lccrtmp |= ((SIU_LEVEL5 / 2) << 12);
821 lccrtmp |= LCCR_EIEN;
822 #endif
823
824 lcdp->lcd_lccr = lccrtmp;
825 lcdp->lcd_lcsr = 0xFF; /* Clear pending interrupts */
826
827 /* Initialize LCD controller bus priorities.
828 */
829 #ifdef CONFIG_RBC823
830 immr->im_siu_conf.sc_sdcr = (immr->im_siu_conf.sc_sdcr & ~0x0f) | 1; /* RAID = 01, LAID = 00 */
831 #else
832 immr->im_siu_conf.sc_sdcr &= ~0x0f; /* RAID = LAID = 0 */
833
834 /* set SHFT/CLOCK division factor 4
835 * This needs to be set based upon display type and processor
836 * speed. The TFT displays run about 20 to 30 MHz.
837 * I was running 64 MHz processor speed.
838 * The value for this divider must be chosen so the result is
839 * an integer of the processor speed (i.e., divide by 3 with
840 * 64 MHz would be bad).
841 */
842 immr->im_clkrst.car_sccr &= ~0x1F;
843 immr->im_clkrst.car_sccr |= LCD_DF; /* was 8 */
844
845 #endif /* CONFIG_RBC823 */
846
847 #if defined(CONFIG_RBC823)
848 /* Enable LCD on port D.
849 */
850 immr->im_ioport.iop_pddat &= 0x0300;
851 immr->im_ioport.iop_pdpar |= 0x1CFF;
852 immr->im_ioport.iop_pddir |= 0x1CFF;
853
854 /* Configure LCD_ON, VEE_ON, CCFL_ON on port B.
855 */
856 immr->im_cpm.cp_pbdat &= ~0x00005001;
857 immr->im_cpm.cp_pbpar &= ~0x00005001;
858 immr->im_cpm.cp_pbdir |= 0x00005001;
859 #elif !defined(CONFIG_EDT32F10)
860 /* Enable LCD on port D.
861 */
862 immr->im_ioport.iop_pdpar |= 0x1FFF;
863 immr->im_ioport.iop_pddir |= 0x1FFF;
864
865 /* Enable LCD_A/B/C on port B.
866 */
867 immr->im_cpm.cp_pbpar |= 0x00005001;
868 immr->im_cpm.cp_pbdir |= 0x00005001;
869 #else
870 /* Enable LCD on port D.
871 */
872 immr->im_ioport.iop_pdpar |= 0x1DFF;
873 immr->im_ioport.iop_pdpar &= ~0x0200;
874 immr->im_ioport.iop_pddir |= 0x1FFF;
875 immr->im_ioport.iop_pddat |= 0x0200;
876 #endif
877
878 /* Load the physical address of the linear frame buffer
879 * into the LCD controller.
880 * BIG NOTE: This has to be modified to load A and B depending
881 * upon the split mode of the LCD.
882 */
883 lcdp->lcd_lcfaa = (ulong)lcd_base;
884 lcdp->lcd_lcfba = (ulong)lcd_base;
885
886 /* MORE HACKS...This must be updated according to 823 manual
887 * for different panels.
888 * Udi Finkelstein - done - see below:
889 * Note: You better not try unsupported combinations such as
890 * 4-bit wide passive dual scan LCD at 4/8 Bit color.
891 */
892 lchcr_hpc_tmp =
893 (panel_info.vl_col *
894 (panel_info.vl_tft ? 8 :
895 (((2 - panel_info.vl_lbw) << /* 4 bit=2, 8-bit = 1 */
896 /* use << to mult by: single scan = 1, dual scan = 2 */
897 panel_info.vl_splt) *
898 (panel_info.vl_bpix | 1)))) >> 3; /* 2/4 BPP = 1, 8/16 BPP = 3 */
899
900 lcdp->lcd_lchcr = LCHCR_BO |
901 LCDBIT (LCHCR_AT_BIT, 4) |
902 LCDBIT (LCHCR_HPC_BIT, lchcr_hpc_tmp) |
903 panel_info.vl_wbl;
904
905 lcdp->lcd_lcvcr = LCDBIT (LCVCR_VPW_BIT, panel_info.vl_vpw) |
906 LCDBIT (LCVCR_LCD_AC_BIT, panel_info.vl_lcdac) |
907 LCDBIT (LCVCR_VPC_BIT, panel_info.vl_row) |
908 panel_info.vl_wbf;
909
910 }
911
912 /*----------------------------------------------------------------------*/
913
914 #ifdef NOT_USED_SO_FAR
915 static void
916 lcd_getcolreg (ushort regno, ushort *red, ushort *green, ushort *blue)
917 {
918 volatile immap_t *immr = (immap_t *) CFG_IMMR;
919 volatile cpm8xx_t *cp = &(immr->im_cpm);
920 unsigned short colreg, *cmap_ptr;
921
922 cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2];
923
924 colreg = *cmap_ptr;
925 #ifdef CFG_INVERT_COLORS
926 colreg ^= 0x0FFF;
927 #endif
928
929 *red = (colreg >> 8) & 0x0F;
930 *green = (colreg >> 4) & 0x0F;
931 *blue = colreg & 0x0F;
932 }
933 #endif /* NOT_USED_SO_FAR */
934
935 /*----------------------------------------------------------------------*/
936
937 #if LCD_BPP == LCD_COLOR8
938 static void
939 lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
940 {
941 volatile immap_t *immr = (immap_t *) CFG_IMMR;
942 volatile cpm8xx_t *cp = &(immr->im_cpm);
943 unsigned short colreg, *cmap_ptr;
944
945 cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2];
946
947 colreg = ((red & 0x0F) << 8) |
948 ((green & 0x0F) << 4) |
949 (blue & 0x0F) ;
950 #ifdef CFG_INVERT_COLORS
951 colreg ^= 0x0FFF;
952 #endif
953 *cmap_ptr = colreg;
954
955 debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %02X%02X\n",
956 regno, &(cp->lcd_cmap[regno * 2]),
957 red, green, blue,
958 cp->lcd_cmap[ regno * 2 ], cp->lcd_cmap[(regno * 2) + 1]);
959 }
960 #endif /* LCD_COLOR8 */
961
962 /*----------------------------------------------------------------------*/
963
964 #if LCD_BPP == LCD_MONOCHROME
965 static
966 void lcd_initcolregs (void)
967 {
968 volatile immap_t *immr = (immap_t *) CFG_IMMR;
969 volatile cpm8xx_t *cp = &(immr->im_cpm);
970 ushort regno;
971
972 for (regno = 0; regno < 16; regno++) {
973 cp->lcd_cmap[regno * 2] = 0;
974 cp->lcd_cmap[(regno * 2) + 1] = regno & 0x0f;
975 }
976 }
977 #endif
978
979 /*----------------------------------------------------------------------*/
980
981 static void lcd_setfgcolor (int color)
982 {
983 lcd_color_fg = color & 0x0F;
984 }
985
986 /*----------------------------------------------------------------------*/
987
988 static void lcd_setbgcolor (int color)
989 {
990 lcd_color_bg = color & 0x0F;
991 }
992
993 /*----------------------------------------------------------------------*/
994
995 #ifdef NOT_USED_SO_FAR
996 static int lcd_getfgcolor (void)
997 {
998 return lcd_color_fg;
999 }
1000 #endif /* NOT_USED_SO_FAR */
1001
1002 /*----------------------------------------------------------------------*/
1003
1004 static int lcd_getbgcolor (void)
1005 {
1006 return lcd_color_bg;
1007 }
1008
1009 /*----------------------------------------------------------------------*/
1010
1011 static void lcd_enable (void)
1012 {
1013 volatile immap_t *immr = (immap_t *) CFG_IMMR;
1014 volatile lcd823_t *lcdp = &immr->im_lcd;
1015
1016 /* Enable the LCD panel */
1017 #ifndef CONFIG_RBC823
1018 immr->im_siu_conf.sc_sdcr |= (1 << (31 - 25)); /* LAM = 1 */
1019 #endif
1020 lcdp->lcd_lccr |= LCCR_PON;
1021
1022 #ifdef CONFIG_V37
1023 /* Turn on display backlight */
1024 immr->im_cpm.cp_pbpar |= 0x00008000;
1025 immr->im_cpm.cp_pbdir |= 0x00008000;
1026 #elif defined(CONFIG_RBC823)
1027 /* Turn on display backlight */
1028 immr->im_cpm.cp_pbdat |= 0x00004000;
1029 #endif
1030
1031 #if defined(CONFIG_LWMON)
1032 { uchar c = pic_read (0x60);
1033 #if defined(CONFIG_LCD) && defined(CONFIG_LWMON) && (CONFIG_POST & CFG_POST_SYSMON)
1034 c |= 0x04; /* Chip Enable LCD */
1035 #else
1036 c |= 0x07; /* Power on CCFL, Enable CCFL, Chip Enable LCD */
1037 #endif
1038 pic_write (0x60, c);
1039 }
1040 #endif /* CONFIG_LWMON */
1041
1042 #if defined(CONFIG_R360MPI)
1043 {
1044 extern void r360_i2c_lcd_write (uchar data0, uchar data1);
1045
1046 r360_i2c_lcd_write(0x10, 0x01);
1047 r360_i2c_lcd_write(0x20, 0x01);
1048 r360_i2c_lcd_write(0x3F, 0xFF);
1049 r360_i2c_lcd_write(0x47, 0xFF);
1050 }
1051 #endif /* CONFIG_R360MPI */
1052 #ifdef CONFIG_RBC823
1053 udelay(200000); /* wait 200ms */
1054 /* Turn VEE_ON first */
1055 immr->im_cpm.cp_pbdat |= 0x00000001;
1056 udelay(200000); /* wait 200ms */
1057 /* Now turn on LCD_ON */
1058 immr->im_cpm.cp_pbdat |= 0x00001000;
1059 #endif
1060 }
1061
1062 /*----------------------------------------------------------------------*/
1063
1064 #if defined (CONFIG_RBC823)
1065 void lcd_disable (void)
1066 {
1067 volatile immap_t *immr = (immap_t *) CFG_IMMR;
1068 volatile lcd823_t *lcdp = &immr->im_lcd;
1069
1070 #if defined(CONFIG_LWMON)
1071 { uchar c = pic_read (0x60);
1072 c &= ~0x07; /* Power off CCFL, Disable CCFL, Chip Disable LCD */
1073 pic_write (0x60, c);
1074 }
1075 #elif defined(CONFIG_R360MPI)
1076 {
1077 extern void r360_i2c_lcd_write (uchar data0, uchar data1);
1078
1079 r360_i2c_lcd_write(0x10, 0x00);
1080 r360_i2c_lcd_write(0x20, 0x00);
1081 r360_i2c_lcd_write(0x30, 0x00);
1082 r360_i2c_lcd_write(0x40, 0x00);
1083 }
1084 #endif /* CONFIG_LWMON */
1085 /* Disable the LCD panel */
1086 lcdp->lcd_lccr &= ~LCCR_PON;
1087 #ifdef CONFIG_RBC823
1088 /* Turn off display backlight, VEE and LCD_ON */
1089 immr->im_cpm.cp_pbdat &= ~0x00005001;
1090 #else
1091 immr->im_siu_conf.sc_sdcr &= ~(1 << (31 - 25)); /* LAM = 0 */
1092 #endif /* CONFIG_RBC823 */
1093 }
1094 #endif /* NOT_USED_SO_FAR || CONFIG_RBC823 */
1095
1096
1097 /************************************************************************/
1098 /* ** Chipset depending Bitmap / Logo stuff... */
1099 /************************************************************************/
1100
1101
1102 #ifdef CONFIG_LCD_LOGO
1103 static void bitmap_plot (int x, int y)
1104 {
1105 volatile immap_t *immr = (immap_t *) CFG_IMMR;
1106 volatile cpm8xx_t *cp = &(immr->im_cpm);
1107 ushort *cmap;
1108 ushort i;
1109 uchar *bmap;
1110 uchar *fb;
1111
1112 debug ("Logo: width %d height %d colors %d cmap %d\n",
1113 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
1114 sizeof(bmp_logo_palette)/(sizeof(ushort))
1115 );
1116
1117 /* Leave room for default color map */
1118 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
1119
1120 WATCHDOG_RESET();
1121
1122 /* Set color map */
1123 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
1124 ushort colreg = bmp_logo_palette[i];
1125 #ifdef CFG_INVERT_COLORS
1126 colreg ^= 0xFFF;
1127 #endif
1128 *cmap++ = colreg;
1129 }
1130
1131 bmap = &bmp_logo_bitmap[0];
1132 fb = (char *)(lcd_base + y * lcd_line_length + x);
1133
1134 WATCHDOG_RESET();
1135
1136 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
1137 memcpy (fb, bmap, BMP_LOGO_WIDTH);
1138 bmap += BMP_LOGO_WIDTH;
1139 fb += panel_info.vl_col;
1140 }
1141
1142 WATCHDOG_RESET();
1143 }
1144 #endif /* CONFIG_LCD_LOGO */
1145
1146 #if (CONFIG_COMMANDS & CFG_CMD_BMP)
1147 /*
1148 * Display the BMP file located at address bmp_image.
1149 * Only uncompressed
1150 */
1151 int lcd_display_bitmap(ulong bmp_image)
1152 {
1153 volatile immap_t *immr = (immap_t *) CFG_IMMR;
1154 volatile cpm8xx_t *cp = &(immr->im_cpm);
1155 ushort *cmap;
1156 ushort i, j;
1157 uchar *fb;
1158 bmp_image_t *bmp=(bmp_image_t *)bmp_image;
1159 uchar *bmap;
1160 ushort padded_line;
1161 unsigned long width, height;
1162 unsigned colors,bpix;
1163 unsigned long compression;
1164
1165 WATCHDOG_RESET();
1166
1167 if (!((bmp->header.signature[0]=='B') &&
1168 (bmp->header.signature[1]=='M'))) {
1169 printf ("Error: no valid bmp image at %lx\n", bmp_image);
1170 return 1;
1171 }
1172
1173 width = le32_to_cpu (bmp->header.width);
1174 height = le32_to_cpu (bmp->header.height);
1175 colors = 1<<le16_to_cpu (bmp->header.bit_count);
1176 compression = le32_to_cpu (bmp->header.compression);
1177
1178 bpix = NBITS(panel_info.vl_bpix);
1179
1180 if ((bpix != 1) && (bpix != 8)) {
1181 printf ("Error: %d bit/pixel mode not supported by U-Boot\n",
1182 bpix);
1183 return 1;
1184 }
1185
1186 if (bpix != le16_to_cpu(bmp->header.bit_count)) {
1187 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
1188 bpix,
1189 le16_to_cpu(bmp->header.bit_count));
1190 return 1;
1191 }
1192
1193 if (compression!=BMP_BI_RGB) {
1194 printf ("Error: compression type %ld not supported\n",
1195 compression);
1196 return 1;
1197 }
1198
1199 debug ("Display-bmp: %d x %d with %d colors\n",
1200 width, height, colors);
1201
1202 if (bpix==8) {
1203 /* Fill the entire color map */
1204 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
1205
1206 /* Set color map */
1207 for (i = 0; i < colors; ++i) {
1208 bmp_color_table_entry_t cte = bmp->color_table[i];
1209 ushort colreg =
1210 ((cte.red>>4) << 8) |
1211 ((cte.green>>4) << 4) |
1212 (cte.blue>>4) ;
1213 #ifdef CFG_INVERT_COLORS
1214 colreg ^= 0xFFF;
1215 #endif
1216 *cmap-- = colreg;
1217 }
1218
1219 WATCHDOG_RESET();
1220 }
1221
1222 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
1223 if (width>panel_info.vl_col)
1224 width = panel_info.vl_col;
1225 if (height>panel_info.vl_row)
1226 height = panel_info.vl_row;
1227
1228 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
1229 fb = (uchar *)
1230 (lcd_base +
1231 (((height>=panel_info.vl_row) ? panel_info.vl_row : height)-1)
1232 * lcd_line_length);
1233 for (i = 0; i < height; ++i) {
1234 WATCHDOG_RESET();
1235 for (j = 0; j < width ; j++)
1236 *(fb++)=255-*(bmap++);
1237 bmap += (width - padded_line);
1238 fb -= (width + lcd_line_length);
1239 }
1240
1241 return (0);
1242 }
1243 #endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) */
1244
1245 /*----------------------------------------------------------------------*/
1246
1247 static void *lcd_logo (void)
1248 {
1249 #ifdef LCD_INFO
1250 DECLARE_GLOBAL_DATA_PTR;
1251
1252 char info[80];
1253 char temp[32];
1254 #endif /* LCD_INFO */
1255
1256 #ifdef CONFIG_SPLASH_SCREEN
1257 char *s;
1258 ulong addr;
1259
1260 if ((s = getenv("splashimage")) != NULL) {
1261 addr = simple_strtoul(s, NULL, 16);
1262
1263 if (lcd_display_bitmap (addr) == 0) {
1264 return ((void *)lcd_base);
1265 }
1266 }
1267 #endif /* CONFIG_SPLASH_SCREEN */
1268
1269 #ifdef CONFIG_LCD_LOGO
1270 bitmap_plot (0, 0);
1271 #endif /* CONFIG_LCD_LOGO */
1272
1273
1274 #ifdef LCD_INFO
1275 sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
1276 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, info, strlen(info));
1277
1278 sprintf (info, "(C) 2003 DENX Software Engineering");
1279 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
1280 info, strlen(info));
1281
1282 sprintf (info, " Wolfgang DENK, wd@denx.de");
1283 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
1284 info, strlen(info));
1285 #ifdef LCD_INFO_BELOW_LOGO
1286 sprintf (info, "MPC823 CPU at %s MHz",
1287 strmhz(temp, gd->cpu_clk));
1288 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
1289 info, strlen(info));
1290 sprintf (info, " %ld MB RAM, %ld MB Flash",
1291 gd->ram_size >> 20,
1292 gd->bd->bi_flashsize >> 20 );
1293 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
1294 info, strlen(info));
1295 #else
1296 /* leave one blank line */
1297
1298 sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash",
1299 strmhz(temp, gd->cpu_clk),
1300 gd->ram_size >> 20,
1301 gd->bd->bi_flashsize >> 20 );
1302 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
1303 info, strlen(info));
1304 #endif /* LCD_INFO_BELOW_LOGO */
1305 #endif /* LCD_INFO */
1306
1307 #if defined(CONFIG_LCD_LOGO) && !defined(LCD_INFO_BELOW_LOGO)
1308 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
1309 #else
1310 return ((void *)lcd_base);
1311 #endif /* CONFIG_LCD_LOGO */
1312 }
1313
1314 /************************************************************************/
1315 /************************************************************************/
1316
1317 #endif /* CONFIG_LCD */
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