common/lcd.c

   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>
  43 #include <watchdog.h>
  44
  45 #if defined(CONFIG_PXA250)
  46 #include <asm/byteorder.h>
  47 #endif
  48
  49 #if defined(CONFIG_MPC823)
  50 #include <lcdvideo.h>
  51 #endif
  52
  53
  54 #ifdef CONFIG_LCD
  55
  56 /************************************************************************/
  57 /* ** FONT DATA                                                         */
  58 /************************************************************************/
  59 #include <video_font.h>         /* Get font data, width and height      */
  60
  61 /************************************************************************/
  62 /* ** LOGO DATA                                                         */
  63 /************************************************************************/
  64 #ifdef CONFIG_LCD_LOGO
  65 # include <bmp_logo.h>          /* Get logo data, width and height      */
  66 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET)
  67 #  error Default Color Map overlaps with Logo Color Map
  68 # endif
  69 #endif
  70
  71 ulong lcd_setmem (ulong addr);
  72
  73 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
  74 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
  75 static inline void lcd_putc_xy (ushort x, ushort y, uchar  c);
  76
  77 static int lcd_init (void *lcdbase);
  78
  79 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
  80 extern void lcd_ctrl_init (void *lcdbase);
  81 extern void lcd_enable (void);
  82 static void *lcd_logo (void);
  83
  84
  85 #if LCD_BPP == LCD_COLOR8
  86 extern void lcd_setcolreg (ushort regno,
  87                                 ushort red, ushort green, ushort blue);
  88 #endif
  89 #if LCD_BPP == LCD_MONOCHROME
  90 extern void lcd_initcolregs (void);
  91 #endif
  92
  93 static int lcd_getbgcolor (void);
  94 static void lcd_setfgcolor (int color);
  95 static void lcd_setbgcolor (int color);
  96
  97 char lcd_is_enabled = 0;
  98 extern vidinfo_t panel_info;
  99
 100 #ifdef  NOT_USED_SO_FAR
 101 static void lcd_getcolreg (ushort regno,
 102                                 ushort *red, ushort *green, ushort *blue);
 103 static int lcd_getfgcolor (void);
 104 #endif  /* NOT_USED_SO_FAR */
 105
 106 /************************************************************************/
 107
 108 /*----------------------------------------------------------------------*/
 109
 110 static void console_scrollup (void)
 111 {
 112 #if 1
 113         /* Copy up rows ignoring the first one */
 114         memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
 115
 116         /* Clear the last one */
 117         memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
 118 #else
 119         /*
 120          * Poor attempt to optimize speed by moving "long"s.
 121          * But the code is ugly, and not a bit faster :-(
 122          */
 123         ulong *t = (ulong *)CONSOLE_ROW_FIRST;
 124         ulong *s = (ulong *)CONSOLE_ROW_SECOND;
 125         ulong    l = CONSOLE_SCROLL_SIZE / sizeof(ulong);
 126         uchar  c = lcd_color_bg & 0xFF;
 127         ulong val= (c<<24) | (c<<16) | (c<<8) | c;
 128
 129         while (l--)
 130                 *t++ = *s++;
 131
 132         t = (ulong *)CONSOLE_ROW_LAST;
 133         l = CONSOLE_ROW_SIZE / sizeof(ulong);
 134
 135         while (l-- > 0)
 136                 *t++ = val;
 137 #endif
 138 }
 139
 140 /*----------------------------------------------------------------------*/
 141
 142 static inline void console_back (void)
 143 {
 144         if (--console_col < 0) {
 145                 console_col = CONSOLE_COLS-1 ;
 146                 if (--console_row < 0) {
 147                         console_row = 0;
 148                 }
 149         }
 150
 151         lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
 152                      console_row * VIDEO_FONT_HEIGHT,
 153                      ' ');
 154 }
 155
 156 /*----------------------------------------------------------------------*/
 157
 158 static inline void console_newline (void)
 159 {
 160         ++console_row;
 161         console_col = 0;
 162
 163         /* Check if we need to scroll the terminal */
 164         if (console_row >= CONSOLE_ROWS) {
 165                 /* Scroll everything up */
 166                 console_scrollup () ;
 167                 --console_row;
 168         }
 169 }
 170
 171 /*----------------------------------------------------------------------*/
 172
 173 void lcd_putc (const char c)
 174 {
 175         if (!lcd_is_enabled) {
 176                 serial_putc(c);
 177                 return;
 178         }
 179
 180         switch (c) {
 181         case '\r':      console_col = 0;
 182                         return;
 183
 184         case '\n':      console_newline();
 185                         return;
 186
 187         case '\t':      /* Tab (8 chars alignment) */
 188                         console_col |=  8;
 189                         console_col &= ~7;
 190
 191                         if (console_col >= CONSOLE_COLS) {
 192                                 console_newline();
 193                         }
 194                         return;
 195
 196         case '\b':      console_back();
 197                         return;
 198
 199         default:        lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
 200                                      console_row * VIDEO_FONT_HEIGHT,
 201                                      c);
 202                         if (++console_col >= CONSOLE_COLS) {
 203                                 console_newline();
 204                         }
 205                         return;
 206         }
 207         /* NOTREACHED */
 208 }
 209
 210 /*----------------------------------------------------------------------*/
 211
 212 void lcd_puts (const char *s)
 213 {
 214         if (!lcd_is_enabled) {
 215                 serial_puts (s);
 216                 return;
 217         }
 218
 219         while (*s) {
 220                 lcd_putc (*s++);
 221         }
 222 }
 223
 224 /************************************************************************/
 225 /* ** Low-Level Graphics Routines                                       */
 226 /************************************************************************/
 227
 228 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
 229 {
 230         uchar *dest;
 231         ushort off, row;
 232
 233         dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
 234         off  = x * (1 << LCD_BPP) % 8;
 235
 236         for (row=0;  row < VIDEO_FONT_HEIGHT;  ++row, dest += lcd_line_length)  {
 237                 uchar *s = str;
 238                 uchar *d = dest;
 239                 int i;
 240
 241 #if LCD_BPP == LCD_MONOCHROME
 242                 uchar rest = *d & -(1 << (8-off));
 243                 uchar sym;
 244 #endif
 245                 for (i=0; i<count; ++i) {
 246                         uchar c, bits;
 247
 248                         c = *s++;
 249                         bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
 250
 251 #if LCD_BPP == LCD_MONOCHROME
 252                         sym  = (COLOR_MASK(lcd_color_fg) & bits) |
 253                                (COLOR_MASK(lcd_color_bg) & ~bits);
 254
 255                         *d++ = rest | (sym >> off);
 256                         rest = sym << (8-off);
 257 #elif LCD_BPP == LCD_COLOR8
 258                         for (c=0; c<8; ++c) {
 259                                 *d++ = (bits & 0x80) ?
 260                                                 lcd_color_fg : lcd_color_bg;
 261                                 bits <<= 1;
 262                         }
 263 #elif LCD_BPP == LCD_COLOR16
 264                         for (c=0; c<16; ++c) {
 265                                 *d++ = (bits & 0x80) ?
 266                                                 lcd_color_fg : lcd_color_bg;
 267                                 bits <<= 1;
 268                         }
 269 #endif
 270                 }
 271 #if LCD_BPP == LCD_MONOCHROME
 272                 *d  = rest | (*d & ((1 << (8-off)) - 1));
 273 #endif
 274         }
 275 }
 276
 277 /*----------------------------------------------------------------------*/
 278
 279 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
 280 {
 281 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
 282         lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s));
 283 #else
 284         lcd_drawchars (x, y, s, strlen ((char *)s));
 285 #endif
 286 }
 287
 288 /*----------------------------------------------------------------------*/
 289
 290 static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
 291 {
 292 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
 293         lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
 294 #else
 295         lcd_drawchars (x, y, &c, 1);
 296 #endif
 297 }
 298
 299 /************************************************************************/
 300 /**  Small utility to check that you got the colours right              */
 301 /************************************************************************/
 302 #ifdef LCD_TEST_PATTERN
 303
 304 #define N_BLK_VERT      2
 305 #define N_BLK_HOR       3
 306
 307 static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
 308         CONSOLE_COLOR_RED,      CONSOLE_COLOR_GREEN,    CONSOLE_COLOR_YELLOW,
 309         CONSOLE_COLOR_BLUE,     CONSOLE_COLOR_MAGENTA,  CONSOLE_COLOR_CYAN,
 310 };
 311
 312 static void test_pattern (void)
 313 {
 314         ushort v_max  = panel_info.vl_row;
 315         ushort h_max  = panel_info.vl_col;
 316         ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
 317         ushort h_step = (h_max + N_BLK_HOR  - 1) / N_BLK_HOR;
 318         ushort v, h;
 319         uchar *pix = (uchar *)lcd_base;
 320
 321         printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
 322                 h_max, v_max, h_step, v_step);
 323
 324         /* WARNING: Code silently assumes 8bit/pixel */
 325         for (v=0; v<v_max; ++v) {
 326                 uchar iy = v / v_step;
 327                 for (h=0; h<h_max; ++h) {
 328                         uchar ix = N_BLK_HOR * iy + (h/h_step);
 329                         *pix++ = test_colors[ix];
 330                 }
 331         }
 332 }
 333 #endif /* LCD_TEST_PATTERN */
 334
 335
 336 /************************************************************************/
 337 /* ** GENERIC Initialization Routines                                   */
 338 /************************************************************************/
 339
 340 int drv_lcd_init (void)
 341 {
 342         DECLARE_GLOBAL_DATA_PTR;
 343
 344         device_t lcddev;
 345         int rc;
 346
 347         lcd_base = (void *)(gd->fb_base);
 348
 349         lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
 350
 351         lcd_init (lcd_base);            /* LCD initialization */
 352
 353         /* Device initialization */
 354         memset (&lcddev, 0, sizeof (lcddev));
 355
 356         strcpy (lcddev.name, "lcd");
 357         lcddev.ext   = 0;                       /* No extensions */
 358         lcddev.flags = DEV_FLAGS_OUTPUT;        /* Output only */
 359         lcddev.putc  = lcd_putc;                /* 'putc' function */
 360         lcddev.puts  = lcd_puts;                /* 'puts' function */
 361
 362         rc = device_register (&lcddev);
 363
 364         return (rc == 0) ? 1 : rc;
 365 }
 366
 367 /*----------------------------------------------------------------------*/
 368 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 369 {
 370 #if LCD_BPP == LCD_MONOCHROME
 371         /* Setting the palette */
 372         lcd_initcolregs();
 373
 374 #elif LCD_BPP == LCD_COLOR8
 375         /* Setting the palette */
 376         lcd_setcolreg  (CONSOLE_COLOR_BLACK,       0,    0,    0);
 377         lcd_setcolreg  (CONSOLE_COLOR_RED,      0xFF,    0,    0);
 378         lcd_setcolreg  (CONSOLE_COLOR_GREEN,       0, 0xFF,    0);
 379         lcd_setcolreg  (CONSOLE_COLOR_YELLOW,   0xFF, 0xFF,    0);
 380         lcd_setcolreg  (CONSOLE_COLOR_BLUE,        0,    0, 0xFF);
 381         lcd_setcolreg  (CONSOLE_COLOR_MAGENTA,  0xFF,    0, 0xFF);
 382         lcd_setcolreg  (CONSOLE_COLOR_CYAN,        0, 0xFF, 0xFF);
 383         lcd_setcolreg  (CONSOLE_COLOR_GREY,     0xAA, 0xAA, 0xAA);
 384         lcd_setcolreg  (CONSOLE_COLOR_WHITE,    0xFF, 0xFF, 0xFF);
 385 #endif
 386
 387 #ifndef CFG_WHITE_ON_BLACK
 388         lcd_setfgcolor (CONSOLE_COLOR_BLACK);
 389         lcd_setbgcolor (CONSOLE_COLOR_WHITE);
 390 #else
 391         lcd_setfgcolor (CONSOLE_COLOR_WHITE);
 392         lcd_setbgcolor (CONSOLE_COLOR_BLACK);
 393 #endif  /* CFG_WHITE_ON_BLACK */
 394
 395 #ifdef  LCD_TEST_PATTERN
 396         test_pattern();
 397 #else
 398         /* set framebuffer to background color */
 399         memset ((char *)lcd_base,
 400                 COLOR_MASK(lcd_getbgcolor()),
 401                 lcd_line_length*panel_info.vl_row);
 402 #endif
 403         /* Paint the logo and retrieve LCD base address */
 404         debug ("[LCD] Drawing the logo...\n");
 405         lcd_console_address = lcd_logo ();
 406
 407         console_col = 0;
 408         console_row = 0;
 409
 410         return (0);
 411 }
 412
 413 U_BOOT_CMD(
 414         cls,    1,      1,      lcd_clear,
 415         "cls     - clear screen\n",
 416         NULL
 417 );
 418
 419 /*----------------------------------------------------------------------*/
 420
 421 static int lcd_init (void *lcdbase)
 422 {
 423         /* Initialize the lcd controller */
 424         debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
 425
 426         lcd_ctrl_init (lcdbase);
 427         lcd_clear (NULL, 1, 1, NULL);   /* dummy args */
 428         lcd_enable ();
 429
 430         /* Initialize the console */
 431         console_col = 0;
 432 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
 433         console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
 434 #else
 435         console_row = 1;        /* leave 1 blank line below logo */
 436 #endif
 437         lcd_is_enabled = 1;
 438
 439         return 0;
 440 }
 441
 442
 443 /************************************************************************/
 444 /* ** ROM capable initialization part - needed to reserve FB memory     */
 445 /************************************************************************/
 446 /*
 447  * This is called early in the system initialization to grab memory
 448  * for the LCD controller.
 449  * Returns new address for monitor, after reserving LCD buffer memory
 450  *
 451  * Note that this is running from ROM, so no write access to global data.
 452  */
 453 ulong lcd_setmem (ulong addr)
 454 {
 455         ulong size;
 456         int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
 457
 458         debug ("LCD panel info: %d x %d, %d bit/pix\n",
 459                 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
 460
 461         size = line_length * panel_info.vl_row;
 462
 463         /* Round up to nearest full page */
 464         size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
 465
 466         /* Allocate pages for the frame buffer. */
 467         addr -= size;
 468
 469         debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
 470
 471         return (addr);
 472 }
 473
 474 /*----------------------------------------------------------------------*/
 475
 476 static void lcd_setfgcolor (int color)
 477 {
 478         lcd_color_fg = color & 0x0F;
 479 }
 480
 481 /*----------------------------------------------------------------------*/
 482
 483 static void lcd_setbgcolor (int color)
 484 {
 485         lcd_color_bg = color & 0x0F;
 486 }
 487
 488 /*----------------------------------------------------------------------*/
 489
 490 #ifdef  NOT_USED_SO_FAR
 491 static int lcd_getfgcolor (void)
 492 {
 493         return lcd_color_fg;
 494 }
 495 #endif  /* NOT_USED_SO_FAR */
 496
 497 /*----------------------------------------------------------------------*/
 498
 499 static int lcd_getbgcolor (void)
 500 {
 501         return lcd_color_bg;
 502 }
 503
 504 /*----------------------------------------------------------------------*/
 505
 506 /************************************************************************/
 507 /* ** Chipset depending Bitmap / Logo stuff...                          */
 508 /************************************************************************/
 509 #ifdef CONFIG_LCD_LOGO
 510 void bitmap_plot (int x, int y)
 511 {
 512         ushort *cmap;
 513         ushort i, j;
 514         uchar *bmap;
 515         uchar *fb;
 516         ushort *fb16;
 517 #if defined(CONFIG_PXA250)
 518         struct pxafb_info *fbi = &panel_info.pxa;
 519 #elif defined(CONFIG_MPC823)
 520         volatile immap_t *immr = (immap_t *) CFG_IMMR;
 521         volatile cpm8xx_t *cp = &(immr->im_cpm);
 522 #endif
 523
 524         debug ("Logo: width %d  height %d  colors %d  cmap %d\n",
 525                 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
 526                 sizeof(bmp_logo_palette)/(sizeof(ushort)));
 527
 528         bmap = &bmp_logo_bitmap[0];
 529         fb   = (uchar *)(lcd_base + y * lcd_line_length + x);
 530
 531         if (NBITS(panel_info.vl_bpix) < 12) {
 532                 /* Leave room for default color map */
 533 #if defined(CONFIG_PXA250)
 534                 cmap = (ushort *)fbi->palette;
 535 #elif defined(CONFIG_MPC823)
 536                 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
 537 #endif
 538
 539                 WATCHDOG_RESET();
 540
 541                 /* Set color map */
 542                 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
 543                         ushort colreg = bmp_logo_palette[i];
 544 #ifdef  CFG_INVERT_COLORS
 545                         *cmap++ = 0xffff - colreg;
 546 #else
 547                         *cmap++ = colreg;
 548 #endif
 549                 }
 550
 551                 WATCHDOG_RESET();
 552
 553                 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
 554                         memcpy (fb, bmap, BMP_LOGO_WIDTH);
 555                         bmap += BMP_LOGO_WIDTH;
 556                         fb   += panel_info.vl_col;
 557                 }
 558         }
 559         else { /* true color mode */
 560                 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
 561                 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
 562                         for (j=0; j<BMP_LOGO_WIDTH; j++) {
 563                                 fb16[j] = bmp_logo_palette[(bmap[j])];
 564                                 }
 565                         bmap += BMP_LOGO_WIDTH;
 566                         fb16 += panel_info.vl_col;
 567                 }
 568         }
 569
 570         WATCHDOG_RESET();
 571 }
 572 #endif /* CONFIG_LCD_LOGO */
 573
 574 /*----------------------------------------------------------------------*/
 575 #if (CONFIG_COMMANDS & CFG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
 576 /*
 577  * Display the BMP file located at address bmp_image.
 578  * Only uncompressed.
 579  */
 580 int lcd_display_bitmap(ulong bmp_image, int x, int y)
 581 {
 582         ushort *cmap;
 583         ushort i, j;
 584         uchar *fb;
 585         bmp_image_t *bmp=(bmp_image_t *)bmp_image;
 586         uchar *bmap;
 587         ushort padded_line;
 588         unsigned long width, height;
 589         unsigned colors,bpix;
 590         unsigned long compression;
 591 #if defined(CONFIG_PXA250)
 592         struct pxafb_info *fbi = &panel_info.pxa;
 593 #elif defined(CONFIG_MPC823)
 594         volatile immap_t *immr = (immap_t *) CFG_IMMR;
 595         volatile cpm8xx_t *cp = &(immr->im_cpm);
 596 #endif
 597
 598         if (!((bmp->header.signature[0]=='B') &&
 599                 (bmp->header.signature[1]=='M'))) {
 600                 printf ("Error: no valid bmp image at %lx\n", bmp_image);
 601                 return 1;
 602 }
 603
 604         width = le32_to_cpu (bmp->header.width);
 605         height = le32_to_cpu (bmp->header.height);
 606         colors = 1<<le16_to_cpu (bmp->header.bit_count);
 607         compression = le32_to_cpu (bmp->header.compression);
 608
 609         bpix = NBITS(panel_info.vl_bpix);
 610
 611         if ((bpix != 1) && (bpix != 8)) {
 612                 printf ("Error: %d bit/pixel mode not supported by U-Boot\n",
 613                         bpix);
 614                 return 1;
 615         }
 616
 617         if (bpix != le16_to_cpu(bmp->header.bit_count)) {
 618                 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
 619                         bpix,
 620                         le16_to_cpu(bmp->header.bit_count));
 621                 return 1;
 622         }
 623
 624         debug ("Display-bmp: %d x %d  with %d colors\n",
 625                 (int)width, (int)height, (int)colors);
 626
 627         if (bpix==8) {
 628 #if defined(CONFIG_PXA250)
 629                 cmap = (ushort *)fbi->palette;
 630 #elif defined(CONFIG_MPC823)
 631                 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
 632 #else
 633 # error "Don't know location of color map"
 634 #endif
 635
 636                 /* Set color map */
 637                 for (i=0; i<colors; ++i) {
 638                         bmp_color_table_entry_t cte = bmp->color_table[i];
 639                         ushort colreg =
 640                                 ( ((cte.red)   << 8) & 0xf800) |
 641                                 ( ((cte.green) << 3) & 0x07e0) |
 642                                 ( ((cte.blue)  >> 3) & 0x001f) ;
 643 #ifdef CFG_INVERT_COLORS
 644                         *cmap = 0xffff - colreg;
 645 #else
 646                         *cmap = colreg;
 647 #endif
 648 #if defined(CONFIG_PXA250)
 649                         cmap++;
 650 #elif defined(CONFIG_MPC823)
 651                         cmap--;
 652 #endif
 653                 }
 654         }
 655
 656         padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
 657         if ((x + width)>panel_info.vl_col)
 658                 width = panel_info.vl_col - x;
 659         if ((y + height)>panel_info.vl_row)
 660                 height = panel_info.vl_row - y;
 661
 662         bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
 663         fb   = (uchar *) (lcd_base +
 664                 (y + height - 1) * lcd_line_length + x);
 665         for (i = 0; i < height; ++i) {
 666                 WATCHDOG_RESET();
 667                 for (j = 0; j < width ; j++)
 668 #if defined(CONFIG_PXA250)
 669                         *(fb++)=*(bmap++);
 670 #elif defined(CONFIG_MPC823)
 671                         *(fb++)=255-*(bmap++);
 672 #endif
 673                 bmap += (width - padded_line);
 674                 fb   -= (width + lcd_line_length);
 675         }
 676
 677         return (0);
 678 }
 679 #endif /* (CONFIG_COMMANDS & CFG_CMD_BMP) || CONFIG_SPLASH_SCREEN */
 680
 681
 682 static void *lcd_logo (void)
 683 {
 684 #ifdef CONFIG_LCD_INFO
 685         DECLARE_GLOBAL_DATA_PTR;
 686
 687         char info[80];
 688         char temp[32];
 689 #endif /* CONFIG_LCD_INFO */
 690
 691 #ifdef CONFIG_SPLASH_SCREEN
 692         char *s;
 693         ulong addr;
 694         static int do_splash = 1;
 695
 696         if (do_splash && (s = getenv("splashimage")) != NULL) {
 697                 addr = simple_strtoul(s, NULL, 16);
 698                 do_splash = 0;
 699
 700                 if (lcd_display_bitmap (addr, 0, 0) == 0) {
 701                         return ((void *)lcd_base);
 702                 }
 703         }
 704 #endif /* CONFIG_SPLASH_SCREEN */
 705
 706 #ifdef CONFIG_LCD_LOGO
 707         bitmap_plot (0, 0);
 708 #endif /* CONFIG_LCD_LOGO */
 709
 710 #ifdef CONFIG_MPC823
 711 # ifdef CONFIG_LCD_INFO
 712         sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
 713         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info));
 714
 715         sprintf (info, "(C) 2004 DENX Software Engineering");
 716         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
 717                                         (uchar *)info, strlen(info));
 718
 719         sprintf (info, "    Wolfgang DENK, wd@denx.de");
 720         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
 721                                         (uchar *)info, strlen(info));
 722 #  ifdef CONFIG_LCD_INFO_BELOW_LOGO
 723         sprintf (info, "MPC823 CPU at %s MHz",
 724                 strmhz(temp, gd->cpu_clk));
 725         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
 726                                         info, strlen(info));
 727         sprintf (info, "  %ld MB RAM, %ld MB Flash",
 728                 gd->ram_size >> 20,
 729                 gd->bd->bi_flashsize >> 20 );
 730         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
 731                                         info, strlen(info));
 732 #  else
 733         /* leave one blank line */
 734
 735         sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash",
 736                 strmhz(temp, gd->cpu_clk),
 737                 gd->ram_size >> 20,
 738                 gd->bd->bi_flashsize >> 20 );
 739         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
 740                                         (uchar *)info, strlen(info));
 741
 742 #  endif /* CONFIG_LCD_INFO_BELOW_LOGO */
 743 # endif /* CONFIG_LCD_INFO */
 744 #endif /* CONFIG_MPC823 */
 745
 746 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
 747         return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
 748 #else
 749         return ((void *)lcd_base);
 750 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
 751 }
 752
 753 /************************************************************************/
 754 /************************************************************************/
 755
 756 #endif /* CONFIG_LCD */