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[people/ms/u-boot.git] / common / lcd.c
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8655b6f8
WD		 1/*
2 * Common LCD routines for supported CPUs
3 *
4 * (C) Copyright 2001-2002
5 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
6 *
7 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
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.
14 *
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.
19 *
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,
23 * MA 02111-1307 USA
24 */
25
26/************************************************************************/
27/* ** HEADER FILES */
28/************************************************************************/
29
30/* #define DEBUG */
31
32#include <config.h>
33#include <common.h>
34#include <command.h>
35#include <version.h>
36#include <stdarg.h>
37#include <linux/types.h>
38#include <devices.h>
39#if defined(CONFIG_POST)
40#include <post.h>
41#endif
42#include <lcd.h>
8b0bfc68 43#include <watchdog.h>
8655b6f8
WD		 44
45#if defined(CONFIG_PXA250)
46#include <asm/byteorder.h>
47#endif
48
49#if defined(CONFIG_MPC823)
8655b6f8
WD		 50#include <lcdvideo.h>
51#endif
52
39cf4804
SP		 53#if defined(CONFIG_ATMEL_LCD)
54#include <atmel_lcdc.h>
55#include <nand.h>
39cf4804
SP		 56#endif
57
8655b6f8
WD		 58/************************************************************************/
59/* ** FONT DATA */
60/************************************************************************/
61#include <video_font.h> /* Get font data, width and height */
62
88804d19
WD		 63/************************************************************************/
64/* ** LOGO DATA */
65/************************************************************************/
66#ifdef CONFIG_LCD_LOGO
67# include <bmp_logo.h> /* Get logo data, width and height */
68# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
69# error Default Color Map overlaps with Logo Color Map
70# endif
71#endif
8655b6f8 72
d87080b7
WD		 73DECLARE_GLOBAL_DATA_PTR;
74
8655b6f8
WD		 75ulong lcd_setmem (ulong addr);
76
77static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
78static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
79static inline void lcd_putc_xy (ushort x, ushort y, uchar c);
80
81static int lcd_init (void *lcdbase);
82
83static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
84extern void lcd_ctrl_init (void *lcdbase);
85extern void lcd_enable (void);
86static void *lcd_logo (void);
87
88
89#if LCD_BPP == LCD_COLOR8
90extern void lcd_setcolreg (ushort regno,
91 ushort red, ushort green, ushort blue);
92#endif
93#if LCD_BPP == LCD_MONOCHROME
94extern void lcd_initcolregs (void);
95#endif
96
97static int lcd_getbgcolor (void);
98static void lcd_setfgcolor (int color);
99static void lcd_setbgcolor (int color);
100
101char lcd_is_enabled = 0;
102extern vidinfo_t panel_info;
103
104#ifdef NOT_USED_SO_FAR
105static void lcd_getcolreg (ushort regno,
106 ushort *red, ushort *green, ushort *blue);
107static int lcd_getfgcolor (void);
108#endif /* NOT_USED_SO_FAR */
109
110/************************************************************************/
111
112/*----------------------------------------------------------------------*/
113
114static void console_scrollup (void)
115{
116#if 1
117 /* Copy up rows ignoring the first one */
118 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
119
120 /* Clear the last one */
121 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
122#else
123 /*
124 * Poor attempt to optimize speed by moving "long"s.
125 * But the code is ugly, and not a bit faster :-(
126 */
127 ulong *t = (ulong *)CONSOLE_ROW_FIRST;
128 ulong *s = (ulong *)CONSOLE_ROW_SECOND;
129 ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong);
130 uchar c = lcd_color_bg & 0xFF;
131 ulong val= (c<<24) | (c<<16) | (c<<8) | c;
132
133 while (l--)
134 *t++ = *s++;
135
136 t = (ulong *)CONSOLE_ROW_LAST;
137 l = CONSOLE_ROW_SIZE / sizeof(ulong);
138
139 while (l-- > 0)
140 *t++ = val;
141#endif
142}
143
144/*----------------------------------------------------------------------*/
145
146static inline void console_back (void)
147{
148 if (--console_col < 0) {
149 console_col = CONSOLE_COLS-1 ;
150 if (--console_row < 0) {
151 console_row = 0;
152 }
153 }
154
155 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
156 console_row * VIDEO_FONT_HEIGHT,
157 ' ');
158}
159
160/*----------------------------------------------------------------------*/
161
162static inline void console_newline (void)
163{
164 ++console_row;
165 console_col = 0;
166
167 /* Check if we need to scroll the terminal */
168 if (console_row >= CONSOLE_ROWS) {
169 /* Scroll everything up */
170 console_scrollup () ;
171 --console_row;
172 }
173}
174
175/*----------------------------------------------------------------------*/
176
177void lcd_putc (const char c)
178{
179 if (!lcd_is_enabled) {
180 serial_putc(c);
181 return;
182 }
183
184 switch (c) {
185 case '\r': console_col = 0;
186 return;
187
188 case '\n': console_newline();
189 return;
190
191 case '\t': /* Tab (8 chars alignment) */
192 console_col |= 8;
193 console_col &= ~7;
194
195 if (console_col >= CONSOLE_COLS) {
196 console_newline();
197 }
198 return;
199
200 case '\b': console_back();
201 return;
202
203 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
204 console_row * VIDEO_FONT_HEIGHT,
205 c);
206 if (++console_col >= CONSOLE_COLS) {
207 console_newline();
208 }
209 return;
210 }
211 /* NOTREACHED */
212}
213
214/*----------------------------------------------------------------------*/
215
216void lcd_puts (const char *s)
217{
218 if (!lcd_is_enabled) {
219 serial_puts (s);
220 return;
221 }
222
223 while (*s) {
224 lcd_putc (*s++);
225 }
226}
227
228/************************************************************************/
229/* ** Low-Level Graphics Routines */
230/************************************************************************/
231
232static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
233{
234 uchar *dest;
235 ushort off, row;
236
237 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
238 off = x * (1 << LCD_BPP) % 8;
239
240 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
241 uchar *s = str;
242 uchar *d = dest;
243 int i;
244
245#if LCD_BPP == LCD_MONOCHROME
246 uchar rest = *d & -(1 << (8-off));
247 uchar sym;
248#endif
249 for (i=0; i<count; ++i) {
250 uchar c, bits;
251
252 c = *s++;
253 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
254
255#if LCD_BPP == LCD_MONOCHROME
256 sym = (COLOR_MASK(lcd_color_fg) & bits) |
257 (COLOR_MASK(lcd_color_bg) & ~bits);
258
259 *d++ = rest | (sym >> off);
260 rest = sym << (8-off);
261#elif LCD_BPP == LCD_COLOR8
262 for (c=0; c<8; ++c) {
263 *d++ = (bits & 0x80) ?
264 lcd_color_fg : lcd_color_bg;
265 bits <<= 1;
266 }
267#elif LCD_BPP == LCD_COLOR16
268 for (c=0; c<16; ++c) {
269 *d++ = (bits & 0x80) ?
270 lcd_color_fg : lcd_color_bg;
271 bits <<= 1;
272 }
273#endif
274 }
275#if LCD_BPP == LCD_MONOCHROME
276 *d = rest | (*d & ((1 << (8-off)) - 1));
277#endif
278 }
279}
280
281/*----------------------------------------------------------------------*/
282
283static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
284{
88804d19 285#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
77ddac94 286 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s));
8655b6f8 287#else
77ddac94 288 lcd_drawchars (x, y, s, strlen ((char *)s));
8655b6f8
WD		 289#endif
290}
291
292/*----------------------------------------------------------------------*/
293
294static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
295{
88804d19 296#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
8655b6f8
WD		 297 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
298#else
299 lcd_drawchars (x, y, &c, 1);
300#endif
301}
302
303/************************************************************************/
304/** Small utility to check that you got the colours right */
305/************************************************************************/
306#ifdef LCD_TEST_PATTERN
307
308#define N_BLK_VERT 2
309#define N_BLK_HOR 3
310
311static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
312 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
313 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
314};
315
316static void test_pattern (void)
317{
318 ushort v_max = panel_info.vl_row;
319 ushort h_max = panel_info.vl_col;
320 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
321 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
322 ushort v, h;
323 uchar *pix = (uchar *)lcd_base;
324
325 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
326 h_max, v_max, h_step, v_step);
327
328 /* WARNING: Code silently assumes 8bit/pixel */
329 for (v=0; v<v_max; ++v) {
330 uchar iy = v / v_step;
331 for (h=0; h<h_max; ++h) {
332 uchar ix = N_BLK_HOR * iy + (h/h_step);
333 *pix++ = test_colors[ix];
334 }
335 }
336}
337#endif /* LCD_TEST_PATTERN */
338
339
340/************************************************************************/
341/* ** GENERIC Initialization Routines */
342/************************************************************************/
343
344int drv_lcd_init (void)
345{
8655b6f8
WD		 346 device_t lcddev;
347 int rc;
348
349 lcd_base = (void *)(gd->fb_base);
350
351 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
352
353 lcd_init (lcd_base); /* LCD initialization */
354
355 /* Device initialization */
356 memset (&lcddev, 0, sizeof (lcddev));
357
358 strcpy (lcddev.name, "lcd");
359 lcddev.ext = 0; /* No extensions */
360 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
361 lcddev.putc = lcd_putc; /* 'putc' function */
362 lcddev.puts = lcd_puts; /* 'puts' function */
363
364 rc = device_register (&lcddev);
365
366 return (rc == 0) ? 1 : rc;
367}
368
369/*----------------------------------------------------------------------*/
370static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
371{
372#if LCD_BPP == LCD_MONOCHROME
373 /* Setting the palette */
374 lcd_initcolregs();
375
376#elif LCD_BPP == LCD_COLOR8
377 /* Setting the palette */
378 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0);
379 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0);
380 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
381 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
382 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
383 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
384 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
385 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
386 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
387#endif
388
6d0f6bcf 389#ifndef CONFIG_SYS_WHITE_ON_BLACK
8655b6f8
WD		 390 lcd_setfgcolor (CONSOLE_COLOR_BLACK);
391 lcd_setbgcolor (CONSOLE_COLOR_WHITE);
392#else
393 lcd_setfgcolor (CONSOLE_COLOR_WHITE);
394 lcd_setbgcolor (CONSOLE_COLOR_BLACK);
6d0f6bcf 395#endif /* CONFIG_SYS_WHITE_ON_BLACK */
8655b6f8
WD		 396
397#ifdef LCD_TEST_PATTERN
398 test_pattern();
399#else
400 /* set framebuffer to background color */
401 memset ((char *)lcd_base,
402 COLOR_MASK(lcd_getbgcolor()),
403 lcd_line_length*panel_info.vl_row);
404#endif
405 /* Paint the logo and retrieve LCD base address */
406 debug ("[LCD] Drawing the logo...\n");
407 lcd_console_address = lcd_logo ();
408
409 console_col = 0;
410 console_row = 0;
411
412 return (0);
413}
414
415U_BOOT_CMD(
416 cls, 1, 1, lcd_clear,
417 "cls - clear screen\n",
418 NULL
419);
420
421/*----------------------------------------------------------------------*/
422
423static int lcd_init (void *lcdbase)
424{
425 /* Initialize the lcd controller */
426 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
427
428 lcd_ctrl_init (lcdbase);
429 lcd_clear (NULL, 1, 1, NULL); /* dummy args */
430 lcd_enable ();
431
432 /* Initialize the console */
433 console_col = 0;
88804d19 434#ifdef CONFIG_LCD_INFO_BELOW_LOGO
8655b6f8
WD		 435 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
436#else
437 console_row = 1; /* leave 1 blank line below logo */
438#endif
439 lcd_is_enabled = 1;
440
441 return 0;
442}
443
444
445/************************************************************************/
446/* ** ROM capable initialization part - needed to reserve FB memory */
447/************************************************************************/
448/*
449 * This is called early in the system initialization to grab memory
450 * for the LCD controller.
451 * Returns new address for monitor, after reserving LCD buffer memory
452 *
453 * Note that this is running from ROM, so no write access to global data.
454 */
455ulong lcd_setmem (ulong addr)
456{
457 ulong size;
458 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
459
460 debug ("LCD panel info: %d x %d, %d bit/pix\n",
461 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
462
463 size = line_length * panel_info.vl_row;
464
465 /* Round up to nearest full page */
466 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
467
468 /* Allocate pages for the frame buffer. */
469 addr -= size;
470
471 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
472
473 return (addr);
474}
475
476/*----------------------------------------------------------------------*/
477
478static void lcd_setfgcolor (int color)
479{
39cf4804
SP		 480#ifdef CONFIG_ATMEL_LCD
481 lcd_color_fg = color;
482#else
8655b6f8 483 lcd_color_fg = color & 0x0F;
39cf4804 484#endif
8655b6f8
WD		 485}
486
487/*----------------------------------------------------------------------*/
488
489static void lcd_setbgcolor (int color)
490{
39cf4804
SP		 491#ifdef CONFIG_ATMEL_LCD
492 lcd_color_bg = color;
493#else
8655b6f8 494 lcd_color_bg = color & 0x0F;
39cf4804 495#endif
8655b6f8
WD		 496}
497
498/*----------------------------------------------------------------------*/
499
500#ifdef NOT_USED_SO_FAR
501static int lcd_getfgcolor (void)
502{
503 return lcd_color_fg;
504}
505#endif /* NOT_USED_SO_FAR */
506
507/*----------------------------------------------------------------------*/
508
509static int lcd_getbgcolor (void)
510{
511 return lcd_color_bg;
512}
513
514/*----------------------------------------------------------------------*/
515
516/************************************************************************/
517/* ** Chipset depending Bitmap / Logo stuff... */
518/************************************************************************/
519#ifdef CONFIG_LCD_LOGO
520void bitmap_plot (int x, int y)
521{
39cf4804
SP		 522#ifdef CONFIG_ATMEL_LCD
523 uint *cmap;
524#else
8655b6f8 525 ushort *cmap;
39cf4804 526#endif
8655b6f8
WD		 527 ushort i, j;
528 uchar *bmap;
529 uchar *fb;
530 ushort *fb16;
531#if defined(CONFIG_PXA250)
532 struct pxafb_info *fbi = &panel_info.pxa;
533#elif defined(CONFIG_MPC823)
6d0f6bcf 534 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
8655b6f8
WD		 535 volatile cpm8xx_t *cp = &(immr->im_cpm);
536#endif
537
538 debug ("Logo: width %d height %d colors %d cmap %d\n",
539 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
b64f190b 540 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort))));
8655b6f8
WD		 541
542 bmap = &bmp_logo_bitmap[0];
77ddac94 543 fb = (uchar *)(lcd_base + y * lcd_line_length + x);
8655b6f8
WD		 544
545 if (NBITS(panel_info.vl_bpix) < 12) {
546 /* Leave room for default color map */
547#if defined(CONFIG_PXA250)
548 cmap = (ushort *)fbi->palette;
549#elif defined(CONFIG_MPC823)
550 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
39cf4804
SP		 551#elif defined(CONFIG_ATMEL_LCD)
552 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
8655b6f8
WD		 553#endif
554
555 WATCHDOG_RESET();
556
557 /* Set color map */
558 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
559 ushort colreg = bmp_logo_palette[i];
39cf4804
SP		 560#ifdef CONFIG_ATMEL_LCD
561 uint lut_entry;
562#ifdef CONFIG_ATMEL_LCD_BGR555
563 lut_entry = ((colreg & 0x000F) << 11) |
564 ((colreg & 0x00F0) << 2) |
565 ((colreg & 0x0F00) >> 7);
566#else /* CONFIG_ATMEL_LCD_RGB565 */
567 lut_entry = ((colreg & 0x000F) << 1) |
568 ((colreg & 0x00F0) << 3) |
569 ((colreg & 0x0F00) << 4);
570#endif
571 *(cmap + BMP_LOGO_OFFSET) = lut_entry;
572 cmap++;
573#else /* !CONFIG_ATMEL_LCD */
6d0f6bcf 574#ifdef CONFIG_SYS_INVERT_COLORS
8655b6f8
WD		 575 *cmap++ = 0xffff - colreg;
576#else
577 *cmap++ = colreg;
578#endif
39cf4804 579#endif /* CONFIG_ATMEL_LCD */
8655b6f8
WD		 580 }
581
582 WATCHDOG_RESET();
583
584 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
585 memcpy (fb, bmap, BMP_LOGO_WIDTH);
586 bmap += BMP_LOGO_WIDTH;
587 fb += panel_info.vl_col;
588 }
589 }
590 else { /* true color mode */
591 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
592 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
593 for (j=0; j<BMP_LOGO_WIDTH; j++) {
594 fb16[j] = bmp_logo_palette[(bmap[j])];
595 }
596 bmap += BMP_LOGO_WIDTH;
597 fb16 += panel_info.vl_col;
598 }
599 }
600
601 WATCHDOG_RESET();
602}
603#endif /* CONFIG_LCD_LOGO */
604
605/*----------------------------------------------------------------------*/
c3517f91 606#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
8655b6f8
WD		 607/*
608 * Display the BMP file located at address bmp_image.
609 * Only uncompressed.
610 */
611int lcd_display_bitmap(ulong bmp_image, int x, int y)
612{
39cf4804
SP		 613#ifdef CONFIG_ATMEL_LCD
614 uint *cmap;
615#elif !defined(CONFIG_MCC200)
8655b6f8 616 ushort *cmap;
f6414714 617#endif
8655b6f8
WD		 618 ushort i, j;
619 uchar *fb;
620 bmp_image_t *bmp=(bmp_image_t *)bmp_image;
621 uchar *bmap;
622 ushort padded_line;
623 unsigned long width, height;
e8143e72 624 unsigned long pwidth = panel_info.vl_col;
8655b6f8
WD		 625 unsigned colors,bpix;
626 unsigned long compression;
627#if defined(CONFIG_PXA250)
628 struct pxafb_info *fbi = &panel_info.pxa;
629#elif defined(CONFIG_MPC823)
6d0f6bcf 630 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
8655b6f8
WD		 631 volatile cpm8xx_t *cp = &(immr->im_cpm);
632#endif
633
634 if (!((bmp->header.signature[0]=='B') &&
635 (bmp->header.signature[1]=='M'))) {
636 printf ("Error: no valid bmp image at %lx\n", bmp_image);
637 return 1;
638}
639
640 width = le32_to_cpu (bmp->header.width);
641 height = le32_to_cpu (bmp->header.height);
642 colors = 1<<le16_to_cpu (bmp->header.bit_count);
643 compression = le32_to_cpu (bmp->header.compression);
644
645 bpix = NBITS(panel_info.vl_bpix);
646
647 if ((bpix != 1) && (bpix != 8)) {
648 printf ("Error: %d bit/pixel mode not supported by U-Boot\n",
649 bpix);
650 return 1;
651 }
652
653 if (bpix != le16_to_cpu(bmp->header.bit_count)) {
654 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
655 bpix,
656 le16_to_cpu(bmp->header.bit_count));
657 return 1;
658 }
659
660 debug ("Display-bmp: %d x %d with %d colors\n",
661 (int)width, (int)height, (int)colors);
662
f6414714
WD		 663#if !defined(CONFIG_MCC200)
664 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
8655b6f8
WD		 665 if (bpix==8) {
666#if defined(CONFIG_PXA250)
667 cmap = (ushort *)fbi->palette;
668#elif defined(CONFIG_MPC823)
669 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
39cf4804
SP		 670#elif defined(CONFIG_ATMEL_LCD)
671 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
25d6712a
WD		 672#else
673# error "Don't know location of color map"
8655b6f8
WD		 674#endif
675
676 /* Set color map */
677 for (i=0; i<colors; ++i) {
678 bmp_color_table_entry_t cte = bmp->color_table[i];
1464eff7 679#if !defined(CONFIG_ATMEL_LCD)
8655b6f8
WD		 680 ushort colreg =
681 ( ((cte.red) << 8) & 0xf800) |
59d80bf1
WD		 682 ( ((cte.green) << 3) & 0x07e0) |
683 ( ((cte.blue) >> 3) & 0x001f) ;
6d0f6bcf 684#ifdef CONFIG_SYS_INVERT_COLORS
25d6712a 685 *cmap = 0xffff - colreg;
8655b6f8 686#else
25d6712a
WD		 687 *cmap = colreg;
688#endif
689#if defined(CONFIG_PXA250)
690 cmap++;
691#elif defined(CONFIG_MPC823)
692 cmap--;
1464eff7
MJ		 693#endif
694#else /* CONFIG_ATMEL_LCD */
695 lcd_setcolreg(i, cte.red, cte.green, cte.blue);
8655b6f8
WD		 696#endif
697 }
698 }
f6414714 699#endif
8655b6f8 700
e8143e72
WD		 701 /*
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
706 * units.
511d0c72
WD		 707 * Probably, PXA250 and MPC823 process 1bpp BMP images in
708 * their own ways, so make the converting to be MCC200
e8143e72
WD		 709 * specific.
710 */
711#if defined(CONFIG_MCC200)
712 if (bpix==1)
713 {
714 width = ((width + 7) & ~7) >> 3;
715 x = ((x + 7) & ~7) >> 3;
716 pwidth= ((pwidth + 7) & ~7) >> 3;
717 }
718#endif
719
8655b6f8 720 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
e8143e72
WD		 721 if ((x + width)>pwidth)
722 width = pwidth - x;
8655b6f8
WD		 723 if ((y + height)>panel_info.vl_row)
724 height = panel_info.vl_row - y;
725
726 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
727 fb = (uchar *) (lcd_base +
728 (y + height - 1) * lcd_line_length + x);
729 for (i = 0; i < height; ++i) {
51152c17 730 WATCHDOG_RESET();
8655b6f8 731 for (j = 0; j < width ; j++)
1464eff7 732#if defined(CONFIG_PXA250) || defined(CONFIG_ATMEL_LCD)
d0ff51ba 733 *(fb++) = *(bmap++);
e8143e72 734#elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
8655b6f8
WD		 735 *(fb++)=255-*(bmap++);
736#endif
737 bmap += (width - padded_line);
738 fb -= (width + lcd_line_length);
739 }
740
741 return (0);
742}
c3517f91 743#endif
8655b6f8 744
a4831155
MJ		 745#ifdef CONFIG_VIDEO_BMP_GZIP
746extern bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp);
747#endif
8655b6f8
WD		 748
749static void *lcd_logo (void)
750{
88804d19 751#ifdef CONFIG_LCD_INFO
8655b6f8
WD		 752 char info[80];
753 char temp[32];
39cf4804
SP		 754#ifdef CONFIG_ATMEL_LCD
755 int i;
756 ulong dram_size, nand_size;
757#endif
88804d19 758#endif /* CONFIG_LCD_INFO */
8655b6f8
WD		 759
760#ifdef CONFIG_SPLASH_SCREEN
761 char *s;
762 ulong addr;
763 static int do_splash = 1;
764
765 if (do_splash && (s = getenv("splashimage")) != NULL) {
766 addr = simple_strtoul(s, NULL, 16);
767 do_splash = 0;
768
a4831155
MJ		 769#ifdef CONFIG_VIDEO_BMP_GZIP
770 bmp_image_t *bmp = (bmp_image_t *)addr;
771 unsigned long len;
772
773 if (!((bmp->header.signature[0]=='B') &&
774 (bmp->header.signature[1]=='M'))) {
775 addr = (ulong)gunzip_bmp(addr, &len);
776 }
777#endif
778
8655b6f8
WD		 779 if (lcd_display_bitmap (addr, 0, 0) == 0) {
780 return ((void *)lcd_base);
781 }
782 }
783#endif /* CONFIG_SPLASH_SCREEN */
784
785#ifdef CONFIG_LCD_LOGO
786 bitmap_plot (0, 0);
787#endif /* CONFIG_LCD_LOGO */
788
789#ifdef CONFIG_MPC823
88804d19 790# ifdef CONFIG_LCD_INFO
8655b6f8 791 sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
77ddac94 792 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info));
8655b6f8 793
21f971ec 794 sprintf (info, "(C) 2008 DENX Software Engineering GmbH");
8655b6f8 795 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
77ddac94 796 (uchar *)info, strlen(info));
8655b6f8
WD		 797
798 sprintf (info, " Wolfgang DENK, wd@denx.de");
799 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
77ddac94 800 (uchar *)info, strlen(info));
88804d19 801# ifdef CONFIG_LCD_INFO_BELOW_LOGO
8655b6f8
WD		 802 sprintf (info, "MPC823 CPU at %s MHz",
803 strmhz(temp, gd->cpu_clk));
804 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
805 info, strlen(info));
806 sprintf (info, " %ld MB RAM, %ld MB Flash",
807 gd->ram_size >> 20,
808 gd->bd->bi_flashsize >> 20 );
809 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
810 info, strlen(info));
88804d19 811# else
8655b6f8
WD		 812 /* leave one blank line */
813
814 sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash",
815 strmhz(temp, gd->cpu_clk),
816 gd->ram_size >> 20,
817 gd->bd->bi_flashsize >> 20 );
818 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
77ddac94 819 (uchar *)info, strlen(info));
8655b6f8 820
88804d19
WD		 821# endif /* CONFIG_LCD_INFO_BELOW_LOGO */
822# endif /* CONFIG_LCD_INFO */
8655b6f8 823#endif /* CONFIG_MPC823 */
8655b6f8 824
39cf4804
SP		 825#ifdef CONFIG_ATMEL_LCD
826# ifdef CONFIG_LCD_INFO
827 sprintf (info, "%s", U_BOOT_VERSION);
828 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info));
829
830 sprintf (info, "(C) 2008 ATMEL Corp");
831 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
832 (uchar *)info, strlen(info));
833
834 sprintf (info, "at91support@atmel.com");
835 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
836 (uchar *)info, strlen(info));
837
838 sprintf (info, "%s CPU at %s MHz",
839 AT91_CPU_NAME,
840 strmhz(temp, AT91_MAIN_CLOCK));
841 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
842 (uchar *)info, strlen(info));
843
844 dram_size = 0;
845 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
846 dram_size += gd->bd->bi_dram[i].size;
847 nand_size = 0;
6d0f6bcf 848 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
39cf4804
SP		 849 nand_size += nand_info[i].size;
850 sprintf (info, " %ld MB SDRAM, %ld MB NAND",
851 dram_size >> 20,
852 nand_size >> 20 );
853 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
854 (uchar *)info, strlen(info));
855# endif /* CONFIG_LCD_INFO */
856#endif /* CONFIG_ATMEL_LCD */
857
858
88804d19 859#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
8655b6f8
WD		 860 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
861#else
862 return ((void *)lcd_base);
88804d19 863#endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
8655b6f8
WD		 864}
865
866/************************************************************************/
867/************************************************************************/
"Das U-Boot" Source Tree