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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#ifdef CONFIG_LCD
59
60/************************************************************************/
61/* ** FONT DATA */
62/************************************************************************/
63#include <video_font.h> /* Get font data, width and height */
64
88804d19
WD		 65/************************************************************************/
66/* ** LOGO DATA */
67/************************************************************************/
68#ifdef CONFIG_LCD_LOGO
69# include <bmp_logo.h> /* Get logo data, width and height */
70# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
71# error Default Color Map overlaps with Logo Color Map
72# endif
73#endif
8655b6f8 74
d87080b7
WD		 75DECLARE_GLOBAL_DATA_PTR;
76
8655b6f8
WD		 77ulong lcd_setmem (ulong addr);
78
79static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
80static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
81static inline void lcd_putc_xy (ushort x, ushort y, uchar c);
82
83static int lcd_init (void *lcdbase);
84
85static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
86extern void lcd_ctrl_init (void *lcdbase);
87extern void lcd_enable (void);
88static void *lcd_logo (void);
89
90
91#if LCD_BPP == LCD_COLOR8
92extern void lcd_setcolreg (ushort regno,
93 ushort red, ushort green, ushort blue);
94#endif
95#if LCD_BPP == LCD_MONOCHROME
96extern void lcd_initcolregs (void);
97#endif
98
99static int lcd_getbgcolor (void);
100static void lcd_setfgcolor (int color);
101static void lcd_setbgcolor (int color);
102
103char lcd_is_enabled = 0;
104extern vidinfo_t panel_info;
105
106#ifdef NOT_USED_SO_FAR
107static void lcd_getcolreg (ushort regno,
108 ushort *red, ushort *green, ushort *blue);
109static int lcd_getfgcolor (void);
110#endif /* NOT_USED_SO_FAR */
111
112/************************************************************************/
113
114/*----------------------------------------------------------------------*/
115
116static void console_scrollup (void)
117{
118#if 1
119 /* Copy up rows ignoring the first one */
120 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
121
122 /* Clear the last one */
123 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
124#else
125 /*
126 * Poor attempt to optimize speed by moving "long"s.
127 * But the code is ugly, and not a bit faster :-(
128 */
129 ulong *t = (ulong *)CONSOLE_ROW_FIRST;
130 ulong *s = (ulong *)CONSOLE_ROW_SECOND;
131 ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong);
132 uchar c = lcd_color_bg & 0xFF;
133 ulong val= (c<<24) | (c<<16) | (c<<8) | c;
134
135 while (l--)
136 *t++ = *s++;
137
138 t = (ulong *)CONSOLE_ROW_LAST;
139 l = CONSOLE_ROW_SIZE / sizeof(ulong);
140
141 while (l-- > 0)
142 *t++ = val;
143#endif
144}
145
146/*----------------------------------------------------------------------*/
147
148static inline void console_back (void)
149{
150 if (--console_col < 0) {
151 console_col = CONSOLE_COLS-1 ;
152 if (--console_row < 0) {
153 console_row = 0;
154 }
155 }
156
157 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
158 console_row * VIDEO_FONT_HEIGHT,
159 ' ');
160}
161
162/*----------------------------------------------------------------------*/
163
164static inline void console_newline (void)
165{
166 ++console_row;
167 console_col = 0;
168
169 /* Check if we need to scroll the terminal */
170 if (console_row >= CONSOLE_ROWS) {
171 /* Scroll everything up */
172 console_scrollup () ;
173 --console_row;
174 }
175}
176
177/*----------------------------------------------------------------------*/
178
179void lcd_putc (const char c)
180{
181 if (!lcd_is_enabled) {
182 serial_putc(c);
183 return;
184 }
185
186 switch (c) {
187 case '\r': console_col = 0;
188 return;
189
190 case '\n': console_newline();
191 return;
192
193 case '\t': /* Tab (8 chars alignment) */
194 console_col |= 8;
195 console_col &= ~7;
196
197 if (console_col >= CONSOLE_COLS) {
198 console_newline();
199 }
200 return;
201
202 case '\b': console_back();
203 return;
204
205 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
206 console_row * VIDEO_FONT_HEIGHT,
207 c);
208 if (++console_col >= CONSOLE_COLS) {
209 console_newline();
210 }
211 return;
212 }
213 /* NOTREACHED */
214}
215
216/*----------------------------------------------------------------------*/
217
218void lcd_puts (const char *s)
219{
220 if (!lcd_is_enabled) {
221 serial_puts (s);
222 return;
223 }
224
225 while (*s) {
226 lcd_putc (*s++);
227 }
228}
229
230/************************************************************************/
231/* ** Low-Level Graphics Routines */
232/************************************************************************/
233
234static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
235{
236 uchar *dest;
237 ushort off, row;
238
239 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
240 off = x * (1 << LCD_BPP) % 8;
241
242 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
243 uchar *s = str;
244 uchar *d = dest;
245 int i;
246
247#if LCD_BPP == LCD_MONOCHROME
248 uchar rest = *d & -(1 << (8-off));
249 uchar sym;
250#endif
251 for (i=0; i<count; ++i) {
252 uchar c, bits;
253
254 c = *s++;
255 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
256
257#if LCD_BPP == LCD_MONOCHROME
258 sym = (COLOR_MASK(lcd_color_fg) & bits) |
259 (COLOR_MASK(lcd_color_bg) & ~bits);
260
261 *d++ = rest | (sym >> off);
262 rest = sym << (8-off);
263#elif LCD_BPP == LCD_COLOR8
264 for (c=0; c<8; ++c) {
265 *d++ = (bits & 0x80) ?
266 lcd_color_fg : lcd_color_bg;
267 bits <<= 1;
268 }
269#elif LCD_BPP == LCD_COLOR16
270 for (c=0; c<16; ++c) {
271 *d++ = (bits & 0x80) ?
272 lcd_color_fg : lcd_color_bg;
273 bits <<= 1;
274 }
275#endif
276 }
277#if LCD_BPP == LCD_MONOCHROME
278 *d = rest | (*d & ((1 << (8-off)) - 1));
279#endif
280 }
281}
282
283/*----------------------------------------------------------------------*/
284
285static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
286{
88804d19 287#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
77ddac94 288 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s));
8655b6f8 289#else
77ddac94 290 lcd_drawchars (x, y, s, strlen ((char *)s));
8655b6f8
WD		 291#endif
292}
293
294/*----------------------------------------------------------------------*/
295
296static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
297{
88804d19 298#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
8655b6f8
WD		 299 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
300#else
301 lcd_drawchars (x, y, &c, 1);
302#endif
303}
304
305/************************************************************************/
306/** Small utility to check that you got the colours right */
307/************************************************************************/
308#ifdef LCD_TEST_PATTERN
309
310#define N_BLK_VERT 2
311#define N_BLK_HOR 3
312
313static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
314 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
315 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
316};
317
318static void test_pattern (void)
319{
320 ushort v_max = panel_info.vl_row;
321 ushort h_max = panel_info.vl_col;
322 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
323 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
324 ushort v, h;
325 uchar *pix = (uchar *)lcd_base;
326
327 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
328 h_max, v_max, h_step, v_step);
329
330 /* WARNING: Code silently assumes 8bit/pixel */
331 for (v=0; v<v_max; ++v) {
332 uchar iy = v / v_step;
333 for (h=0; h<h_max; ++h) {
334 uchar ix = N_BLK_HOR * iy + (h/h_step);
335 *pix++ = test_colors[ix];
336 }
337 }
338}
339#endif /* LCD_TEST_PATTERN */
340
341
342/************************************************************************/
343/* ** GENERIC Initialization Routines */
344/************************************************************************/
345
346int drv_lcd_init (void)
347{
8655b6f8
WD		 348 device_t lcddev;
349 int rc;
350
351 lcd_base = (void *)(gd->fb_base);
352
353 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
354
355 lcd_init (lcd_base); /* LCD initialization */
356
357 /* Device initialization */
358 memset (&lcddev, 0, sizeof (lcddev));
359
360 strcpy (lcddev.name, "lcd");
361 lcddev.ext = 0; /* No extensions */
362 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
363 lcddev.putc = lcd_putc; /* 'putc' function */
364 lcddev.puts = lcd_puts; /* 'puts' function */
365
366 rc = device_register (&lcddev);
367
368 return (rc == 0) ? 1 : rc;
369}
370
371/*----------------------------------------------------------------------*/
372static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
373{
374#if LCD_BPP == LCD_MONOCHROME
375 /* Setting the palette */
376 lcd_initcolregs();
377
378#elif LCD_BPP == LCD_COLOR8
379 /* Setting the palette */
380 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0);
381 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0);
382 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
383 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
384 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
385 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
386 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
387 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
388 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
389#endif
390
391#ifndef CFG_WHITE_ON_BLACK
392 lcd_setfgcolor (CONSOLE_COLOR_BLACK);
393 lcd_setbgcolor (CONSOLE_COLOR_WHITE);
394#else
395 lcd_setfgcolor (CONSOLE_COLOR_WHITE);
396 lcd_setbgcolor (CONSOLE_COLOR_BLACK);
397#endif /* CFG_WHITE_ON_BLACK */
398
399#ifdef LCD_TEST_PATTERN
400 test_pattern();
401#else
402 /* set framebuffer to background color */
403 memset ((char *)lcd_base,
404 COLOR_MASK(lcd_getbgcolor()),
405 lcd_line_length*panel_info.vl_row);
406#endif
407 /* Paint the logo and retrieve LCD base address */
408 debug ("[LCD] Drawing the logo...\n");
409 lcd_console_address = lcd_logo ();
410
411 console_col = 0;
412 console_row = 0;
413
414 return (0);
415}
416
417U_BOOT_CMD(
418 cls, 1, 1, lcd_clear,
419 "cls - clear screen\n",
420 NULL
421);
422
423/*----------------------------------------------------------------------*/
424
425static int lcd_init (void *lcdbase)
426{
427 /* Initialize the lcd controller */
428 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
429
430 lcd_ctrl_init (lcdbase);
431 lcd_clear (NULL, 1, 1, NULL); /* dummy args */
432 lcd_enable ();
433
434 /* Initialize the console */
435 console_col = 0;
88804d19 436#ifdef CONFIG_LCD_INFO_BELOW_LOGO
8655b6f8
WD		 437 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
438#else
439 console_row = 1; /* leave 1 blank line below logo */
440#endif
441 lcd_is_enabled = 1;
442
443 return 0;
444}
445
446
447/************************************************************************/
448/* ** ROM capable initialization part - needed to reserve FB memory */
449/************************************************************************/
450/*
451 * This is called early in the system initialization to grab memory
452 * for the LCD controller.
453 * Returns new address for monitor, after reserving LCD buffer memory
454 *
455 * Note that this is running from ROM, so no write access to global data.
456 */
457ulong lcd_setmem (ulong addr)
458{
459 ulong size;
460 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
461
462 debug ("LCD panel info: %d x %d, %d bit/pix\n",
463 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
464
465 size = line_length * panel_info.vl_row;
466
467 /* Round up to nearest full page */
468 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
469
470 /* Allocate pages for the frame buffer. */
471 addr -= size;
472
473 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
474
475 return (addr);
476}
477
478/*----------------------------------------------------------------------*/
479
480static void lcd_setfgcolor (int color)
481{
39cf4804
SP		 482#ifdef CONFIG_ATMEL_LCD
483 lcd_color_fg = color;
484#else
8655b6f8 485 lcd_color_fg = color & 0x0F;
39cf4804 486#endif
8655b6f8
WD		 487}
488
489/*----------------------------------------------------------------------*/
490
491static void lcd_setbgcolor (int color)
492{
39cf4804
SP		 493#ifdef CONFIG_ATMEL_LCD
494 lcd_color_bg = color;
495#else
8655b6f8 496 lcd_color_bg = color & 0x0F;
39cf4804 497#endif
8655b6f8
WD		 498}
499
500/*----------------------------------------------------------------------*/
501
502#ifdef NOT_USED_SO_FAR
503static int lcd_getfgcolor (void)
504{
505 return lcd_color_fg;
506}
507#endif /* NOT_USED_SO_FAR */
508
509/*----------------------------------------------------------------------*/
510
511static int lcd_getbgcolor (void)
512{
513 return lcd_color_bg;
514}
515
516/*----------------------------------------------------------------------*/
517
518/************************************************************************/
519/* ** Chipset depending Bitmap / Logo stuff... */
520/************************************************************************/
521#ifdef CONFIG_LCD_LOGO
522void bitmap_plot (int x, int y)
523{
39cf4804
SP		 524#ifdef CONFIG_ATMEL_LCD
525 uint *cmap;
526#else
8655b6f8 527 ushort *cmap;
39cf4804 528#endif
8655b6f8
WD		 529 ushort i, j;
530 uchar *bmap;
531 uchar *fb;
532 ushort *fb16;
533#if defined(CONFIG_PXA250)
534 struct pxafb_info *fbi = &panel_info.pxa;
535#elif defined(CONFIG_MPC823)
536 volatile immap_t *immr = (immap_t *) CFG_IMMR;
537 volatile cpm8xx_t *cp = &(immr->im_cpm);
538#endif
539
540 debug ("Logo: width %d height %d colors %d cmap %d\n",
541 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
b64f190b 542 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort))));
8655b6f8
WD		 543
544 bmap = &bmp_logo_bitmap[0];
77ddac94 545 fb = (uchar *)(lcd_base + y * lcd_line_length + x);
8655b6f8
WD		 546
547 if (NBITS(panel_info.vl_bpix) < 12) {
548 /* Leave room for default color map */
549#if defined(CONFIG_PXA250)
550 cmap = (ushort *)fbi->palette;
551#elif defined(CONFIG_MPC823)
552 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
39cf4804
SP		 553#elif defined(CONFIG_ATMEL_LCD)
554 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
8655b6f8
WD		 555#endif
556
557 WATCHDOG_RESET();
558
559 /* Set color map */
560 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
561 ushort colreg = bmp_logo_palette[i];
39cf4804
SP		 562#ifdef CONFIG_ATMEL_LCD
563 uint lut_entry;
564#ifdef CONFIG_ATMEL_LCD_BGR555
565 lut_entry = ((colreg & 0x000F) << 11) |
566 ((colreg & 0x00F0) << 2) |
567 ((colreg & 0x0F00) >> 7);
568#else /* CONFIG_ATMEL_LCD_RGB565 */
569 lut_entry = ((colreg & 0x000F) << 1) |
570 ((colreg & 0x00F0) << 3) |
571 ((colreg & 0x0F00) << 4);
572#endif
573 *(cmap + BMP_LOGO_OFFSET) = lut_entry;
574 cmap++;
575#else /* !CONFIG_ATMEL_LCD */
8655b6f8
WD		 576#ifdef CFG_INVERT_COLORS
577 *cmap++ = 0xffff - colreg;
578#else
579 *cmap++ = colreg;
580#endif
39cf4804 581#endif /* CONFIG_ATMEL_LCD */
8655b6f8
WD		 582 }
583
584 WATCHDOG_RESET();
585
586 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
587 memcpy (fb, bmap, BMP_LOGO_WIDTH);
588 bmap += BMP_LOGO_WIDTH;
589 fb += panel_info.vl_col;
590 }
591 }
592 else { /* true color mode */
593 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
594 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
595 for (j=0; j<BMP_LOGO_WIDTH; j++) {
596 fb16[j] = bmp_logo_palette[(bmap[j])];
597 }
598 bmap += BMP_LOGO_WIDTH;
599 fb16 += panel_info.vl_col;
600 }
601 }
602
603 WATCHDOG_RESET();
604}
605#endif /* CONFIG_LCD_LOGO */
606
607/*----------------------------------------------------------------------*/
c3517f91 608#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
8655b6f8
WD		 609/*
610 * Display the BMP file located at address bmp_image.
611 * Only uncompressed.
612 */
613int lcd_display_bitmap(ulong bmp_image, int x, int y)
614{
39cf4804
SP		 615#ifdef CONFIG_ATMEL_LCD
616 uint *cmap;
617#elif !defined(CONFIG_MCC200)
8655b6f8 618 ushort *cmap;
f6414714 619#endif
8655b6f8
WD		 620 ushort i, j;
621 uchar *fb;
622 bmp_image_t *bmp=(bmp_image_t *)bmp_image;
623 uchar *bmap;
624 ushort padded_line;
625 unsigned long width, height;
e8143e72 626 unsigned long pwidth = panel_info.vl_col;
8655b6f8
WD		 627 unsigned colors,bpix;
628 unsigned long compression;
629#if defined(CONFIG_PXA250)
630 struct pxafb_info *fbi = &panel_info.pxa;
631#elif defined(CONFIG_MPC823)
632 volatile immap_t *immr = (immap_t *) CFG_IMMR;
633 volatile cpm8xx_t *cp = &(immr->im_cpm);
634#endif
635
636 if (!((bmp->header.signature[0]=='B') &&
637 (bmp->header.signature[1]=='M'))) {
638 printf ("Error: no valid bmp image at %lx\n", bmp_image);
639 return 1;
640}
641
642 width = le32_to_cpu (bmp->header.width);
643 height = le32_to_cpu (bmp->header.height);
644 colors = 1<<le16_to_cpu (bmp->header.bit_count);
645 compression = le32_to_cpu (bmp->header.compression);
646
647 bpix = NBITS(panel_info.vl_bpix);
648
649 if ((bpix != 1) && (bpix != 8)) {
650 printf ("Error: %d bit/pixel mode not supported by U-Boot\n",
651 bpix);
652 return 1;
653 }
654
655 if (bpix != le16_to_cpu(bmp->header.bit_count)) {
656 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
657 bpix,
658 le16_to_cpu(bmp->header.bit_count));
659 return 1;
660 }
661
662 debug ("Display-bmp: %d x %d with %d colors\n",
663 (int)width, (int)height, (int)colors);
664
f6414714
WD		 665#if !defined(CONFIG_MCC200)
666 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
8655b6f8
WD		 667 if (bpix==8) {
668#if defined(CONFIG_PXA250)
669 cmap = (ushort *)fbi->palette;
670#elif defined(CONFIG_MPC823)
671 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
39cf4804
SP		 672#elif defined(CONFIG_ATMEL_LCD)
673 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
25d6712a
WD		 674#else
675# error "Don't know location of color map"
8655b6f8
WD		 676#endif
677
678 /* Set color map */
679 for (i=0; i<colors; ++i) {
680 bmp_color_table_entry_t cte = bmp->color_table[i];
681 ushort colreg =
682 ( ((cte.red) << 8) & 0xf800) |
59d80bf1
WD		 683 ( ((cte.green) << 3) & 0x07e0) |
684 ( ((cte.blue) >> 3) & 0x001f) ;
8655b6f8 685#ifdef CFG_INVERT_COLORS
25d6712a 686 *cmap = 0xffff - colreg;
8655b6f8 687#else
25d6712a
WD		 688 *cmap = colreg;
689#endif
690#if defined(CONFIG_PXA250)
691 cmap++;
692#elif defined(CONFIG_MPC823)
693 cmap--;
8655b6f8
WD		 694#endif
695 }
696 }
f6414714 697#endif
8655b6f8 698
e8143e72
WD		 699 /*
700 * BMP format for Monochrome assumes that the state of a
701 * pixel is described on a per Bit basis, not per Byte.
702 * So, in case of Monochrome BMP we should align widths
703 * on a byte boundary and convert them from Bit to Byte
704 * units.
511d0c72
WD		 705 * Probably, PXA250 and MPC823 process 1bpp BMP images in
706 * their own ways, so make the converting to be MCC200
e8143e72
WD		 707 * specific.
708 */
709#if defined(CONFIG_MCC200)
710 if (bpix==1)
711 {
712 width = ((width + 7) & ~7) >> 3;
713 x = ((x + 7) & ~7) >> 3;
714 pwidth= ((pwidth + 7) & ~7) >> 3;
715 }
716#endif
717
8655b6f8 718 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
e8143e72
WD		 719 if ((x + width)>pwidth)
720 width = pwidth - x;
8655b6f8
WD		 721 if ((y + height)>panel_info.vl_row)
722 height = panel_info.vl_row - y;
723
724 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
725 fb = (uchar *) (lcd_base +
726 (y + height - 1) * lcd_line_length + x);
727 for (i = 0; i < height; ++i) {
51152c17 728 WATCHDOG_RESET();
8655b6f8
WD		 729 for (j = 0; j < width ; j++)
730#if defined(CONFIG_PXA250)
d0ff51ba 731 *(fb++) = *(bmap++);
e8143e72 732#elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
8655b6f8
WD		 733 *(fb++)=255-*(bmap++);
734#endif
735 bmap += (width - padded_line);
736 fb -= (width + lcd_line_length);
737 }
738
739 return (0);
740}
c3517f91 741#endif
8655b6f8
WD		 742
743
744static void *lcd_logo (void)
745{
88804d19 746#ifdef CONFIG_LCD_INFO
8655b6f8
WD		 747 char info[80];
748 char temp[32];
39cf4804
SP		 749#ifdef CONFIG_ATMEL_LCD
750 int i;
751 ulong dram_size, nand_size;
752#endif
88804d19 753#endif /* CONFIG_LCD_INFO */
8655b6f8
WD		 754
755#ifdef CONFIG_SPLASH_SCREEN
756 char *s;
757 ulong addr;
758 static int do_splash = 1;
759
760 if (do_splash && (s = getenv("splashimage")) != NULL) {
761 addr = simple_strtoul(s, NULL, 16);
762 do_splash = 0;
763
764 if (lcd_display_bitmap (addr, 0, 0) == 0) {
765 return ((void *)lcd_base);
766 }
767 }
768#endif /* CONFIG_SPLASH_SCREEN */
769
770#ifdef CONFIG_LCD_LOGO
771 bitmap_plot (0, 0);
772#endif /* CONFIG_LCD_LOGO */
773
774#ifdef CONFIG_MPC823
88804d19 775# ifdef CONFIG_LCD_INFO
8655b6f8 776 sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
77ddac94 777 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info));
8655b6f8
WD		 778
779 sprintf (info, "(C) 2004 DENX Software Engineering");
780 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
77ddac94 781 (uchar *)info, strlen(info));
8655b6f8
WD		 782
783 sprintf (info, " Wolfgang DENK, wd@denx.de");
784 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
77ddac94 785 (uchar *)info, strlen(info));
88804d19 786# ifdef CONFIG_LCD_INFO_BELOW_LOGO
8655b6f8
WD		 787 sprintf (info, "MPC823 CPU at %s MHz",
788 strmhz(temp, gd->cpu_clk));
789 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
790 info, strlen(info));
791 sprintf (info, " %ld MB RAM, %ld MB Flash",
792 gd->ram_size >> 20,
793 gd->bd->bi_flashsize >> 20 );
794 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
795 info, strlen(info));
88804d19 796# else
8655b6f8
WD		 797 /* leave one blank line */
798
799 sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash",
800 strmhz(temp, gd->cpu_clk),
801 gd->ram_size >> 20,
802 gd->bd->bi_flashsize >> 20 );
803 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
77ddac94 804 (uchar *)info, strlen(info));
8655b6f8 805
88804d19
WD		 806# endif /* CONFIG_LCD_INFO_BELOW_LOGO */
807# endif /* CONFIG_LCD_INFO */
8655b6f8 808#endif /* CONFIG_MPC823 */
8655b6f8 809
39cf4804
SP		 810#ifdef CONFIG_ATMEL_LCD
811# ifdef CONFIG_LCD_INFO
812 sprintf (info, "%s", U_BOOT_VERSION);
813 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info));
814
815 sprintf (info, "(C) 2008 ATMEL Corp");
816 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
817 (uchar *)info, strlen(info));
818
819 sprintf (info, "at91support@atmel.com");
820 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
821 (uchar *)info, strlen(info));
822
823 sprintf (info, "%s CPU at %s MHz",
824 AT91_CPU_NAME,
825 strmhz(temp, AT91_MAIN_CLOCK));
826 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
827 (uchar *)info, strlen(info));
828
829 dram_size = 0;
830 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
831 dram_size += gd->bd->bi_dram[i].size;
832 nand_size = 0;
833 for (i = 0; i < CFG_MAX_NAND_DEVICE; i++)
834 nand_size += nand_info[i].size;
835 sprintf (info, " %ld MB SDRAM, %ld MB NAND",
836 dram_size >> 20,
837 nand_size >> 20 );
838 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
839 (uchar *)info, strlen(info));
840# endif /* CONFIG_LCD_INFO */
841#endif /* CONFIG_ATMEL_LCD */
842
843
88804d19 844#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
8655b6f8
WD		 845 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
846#else
847 return ((void *)lcd_base);
88804d19 848#endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
8655b6f8
WD		 849}
850
851/************************************************************************/
852/************************************************************************/
853
854#endif /* CONFIG_LCD */
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