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 #if defined(CONFIG_ATMEL_LCD)
  54 #include <atmel_lcdc.h>
  55 #include <nand.h>
  56 #endif
  57
  58 #ifdef CONFIG_LCD
  59
  60 /************************************************************************/
  61 /* ** FONT DATA                                                         */
  62 /************************************************************************/
  63 #include <video_font.h>         /* Get font data, width and height      */
  64
  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
  74
  75 DECLARE_GLOBAL_DATA_PTR;
  76
  77 ulong lcd_setmem (ulong addr);
  78
  79 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
  80 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
  81 static inline void lcd_putc_xy (ushort x, ushort y, uchar  c);
  82
  83 static int lcd_init (void *lcdbase);
  84
  85 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
  86 extern void lcd_ctrl_init (void *lcdbase);
  87 extern void lcd_enable (void);
  88 static void *lcd_logo (void);
  89
  90
  91 #if LCD_BPP == LCD_COLOR8
  92 extern void lcd_setcolreg (ushort regno,
  93                                 ushort red, ushort green, ushort blue);
  94 #endif
  95 #if LCD_BPP == LCD_MONOCHROME
  96 extern void lcd_initcolregs (void);
  97 #endif
  98
  99 static int lcd_getbgcolor (void);
 100 static void lcd_setfgcolor (int color);
 101 static void lcd_setbgcolor (int color);
 102
 103 char lcd_is_enabled = 0;
 104 extern vidinfo_t panel_info;
 105
 106 #ifdef  NOT_USED_SO_FAR
 107 static void lcd_getcolreg (ushort regno,
 108                                 ushort *red, ushort *green, ushort *blue);
 109 static int lcd_getfgcolor (void);
 110 #endif  /* NOT_USED_SO_FAR */
 111
 112 /************************************************************************/
 113
 114 /*----------------------------------------------------------------------*/
 115
 116 static 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
 148 static 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
 164 static 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
 179 void 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
 218 void 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
 234 static 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
 285 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
 286 {
 287 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
 288         lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s));
 289 #else
 290         lcd_drawchars (x, y, s, strlen ((char *)s));
 291 #endif
 292 }
 293
 294 /*----------------------------------------------------------------------*/
 295
 296 static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
 297 {
 298 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
 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
 313 static 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
 318 static 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
 346 int drv_lcd_init (void)
 347 {
 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 /*----------------------------------------------------------------------*/
 372 static 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
 417 U_BOOT_CMD(
 418         cls,    1,      1,      lcd_clear,
 419         "cls     - clear screen\n",
 420         NULL
 421 );
 422
 423 /*----------------------------------------------------------------------*/
 424
 425 static 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;
 436 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
 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  */
 457 ulong 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
 480 static void lcd_setfgcolor (int color)
 481 {
 482 #ifdef CONFIG_ATMEL_LCD
 483         lcd_color_fg = color;
 484 #else
 485         lcd_color_fg = color & 0x0F;
 486 #endif
 487 }
 488
 489 /*----------------------------------------------------------------------*/
 490
 491 static void lcd_setbgcolor (int color)
 492 {
 493 #ifdef CONFIG_ATMEL_LCD
 494         lcd_color_bg = color;
 495 #else
 496         lcd_color_bg = color & 0x0F;
 497 #endif
 498 }
 499
 500 /*----------------------------------------------------------------------*/
 501
 502 #ifdef  NOT_USED_SO_FAR
 503 static int lcd_getfgcolor (void)
 504 {
 505         return lcd_color_fg;
 506 }
 507 #endif  /* NOT_USED_SO_FAR */
 508
 509 /*----------------------------------------------------------------------*/
 510
 511 static 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
 522 void bitmap_plot (int x, int y)
 523 {
 524 #ifdef CONFIG_ATMEL_LCD
 525         uint *cmap;
 526 #else
 527         ushort *cmap;
 528 #endif
 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,
 542                 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort))));
 543
 544         bmap = &bmp_logo_bitmap[0];
 545         fb   = (uchar *)(lcd_base + y * lcd_line_length + x);
 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)]);
 553 #elif defined(CONFIG_ATMEL_LCD)
 554                 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
 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];
 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 */
 576 #ifdef  CFG_INVERT_COLORS
 577                         *cmap++ = 0xffff - colreg;
 578 #else
 579                         *cmap++ = colreg;
 580 #endif
 581 #endif /* CONFIG_ATMEL_LCD */
 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 /*----------------------------------------------------------------------*/
 608 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
 609 /*
 610  * Display the BMP file located at address bmp_image.
 611  * Only uncompressed.
 612  */
 613 int lcd_display_bitmap(ulong bmp_image, int x, int y)
 614 {
 615 #ifdef CONFIG_ATMEL_LCD
 616         uint *cmap;
 617 #elif !defined(CONFIG_MCC200)
 618         ushort *cmap;
 619 #endif
 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;
 626         unsigned long pwidth = panel_info.vl_col;
 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
 665 #if !defined(CONFIG_MCC200)
 666         /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
 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)]);
 672 #elif defined(CONFIG_ATMEL_LCD)
 673                 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
 674 #else
 675 # error "Don't know location of color map"
 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 #if !defined(CONFIG_ATMEL_LCD)
 682                         ushort colreg =
 683                                 ( ((cte.red)   << 8) & 0xf800) |
 684                                 ( ((cte.green) << 3) & 0x07e0) |
 685                                 ( ((cte.blue)  >> 3) & 0x001f) ;
 686 #ifdef CFG_INVERT_COLORS
 687                         *cmap = 0xffff - colreg;
 688 #else
 689                         *cmap = colreg;
 690 #endif
 691 #if defined(CONFIG_PXA250)
 692                         cmap++;
 693 #elif defined(CONFIG_MPC823)
 694                         cmap--;
 695 #endif
 696 #else /* CONFIG_ATMEL_LCD */
 697                         lcd_setcolreg(i, cte.red, cte.green, cte.blue);
 698 #endif
 699                 }
 700         }
 701 #endif
 702
 703         /*
 704          *  BMP format for Monochrome assumes that the state of a
 705          * pixel is described on a per Bit basis, not per Byte.
 706          *  So, in case of Monochrome BMP we should align widths
 707          * on a byte boundary and convert them from Bit to Byte
 708          * units.
 709          *  Probably, PXA250 and MPC823 process 1bpp BMP images in
 710          * their own ways, so make the converting to be MCC200
 711          * specific.
 712          */
 713 #if defined(CONFIG_MCC200)
 714         if (bpix==1)
 715         {
 716                 width = ((width + 7) & ~7) >> 3;
 717                 x     = ((x + 7) & ~7) >> 3;
 718                 pwidth= ((pwidth + 7) & ~7) >> 3;
 719         }
 720 #endif
 721
 722         padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
 723         if ((x + width)>pwidth)
 724                 width = pwidth - x;
 725         if ((y + height)>panel_info.vl_row)
 726                 height = panel_info.vl_row - y;
 727
 728         bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
 729         fb   = (uchar *) (lcd_base +
 730                 (y + height - 1) * lcd_line_length + x);
 731         for (i = 0; i < height; ++i) {
 732                 WATCHDOG_RESET();
 733                 for (j = 0; j < width ; j++)
 734 #if defined(CONFIG_PXA250) || defined(CONFIG_ATMEL_LCD)
 735                         *(fb++) = *(bmap++);
 736 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
 737                         *(fb++)=255-*(bmap++);
 738 #endif
 739                 bmap += (width - padded_line);
 740                 fb   -= (width + lcd_line_length);
 741         }
 742
 743         return (0);
 744 }
 745 #endif
 746
 747 #ifdef CONFIG_VIDEO_BMP_GZIP
 748 extern bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp);
 749 #endif
 750
 751 static void *lcd_logo (void)
 752 {
 753 #ifdef CONFIG_LCD_INFO
 754         char info[80];
 755         char temp[32];
 756 #ifdef CONFIG_ATMEL_LCD
 757         int i;
 758         ulong dram_size, nand_size;
 759 #endif
 760 #endif /* CONFIG_LCD_INFO */
 761
 762 #ifdef CONFIG_SPLASH_SCREEN
 763         char *s;
 764         ulong addr;
 765         static int do_splash = 1;
 766
 767         if (do_splash && (s = getenv("splashimage")) != NULL) {
 768                 addr = simple_strtoul(s, NULL, 16);
 769                 do_splash = 0;
 770
 771 #ifdef CONFIG_VIDEO_BMP_GZIP
 772                 bmp_image_t *bmp = (bmp_image_t *)addr;
 773                 unsigned long len;
 774
 775                 if (!((bmp->header.signature[0]=='B') &&
 776                       (bmp->header.signature[1]=='M'))) {
 777                         addr = (ulong)gunzip_bmp(addr, &len);
 778                 }
 779 #endif
 780
 781                 if (lcd_display_bitmap (addr, 0, 0) == 0) {
 782                         return ((void *)lcd_base);
 783                 }
 784         }
 785 #endif /* CONFIG_SPLASH_SCREEN */
 786
 787 #ifdef CONFIG_LCD_LOGO
 788         bitmap_plot (0, 0);
 789 #endif /* CONFIG_LCD_LOGO */
 790
 791 #ifdef CONFIG_MPC823
 792 # ifdef CONFIG_LCD_INFO
 793         sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__);
 794         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info));
 795
 796         sprintf (info, "(C) 2004 DENX Software Engineering");
 797         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
 798                                         (uchar *)info, strlen(info));
 799
 800         sprintf (info, "    Wolfgang DENK, wd@denx.de");
 801         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
 802                                         (uchar *)info, strlen(info));
 803 #  ifdef CONFIG_LCD_INFO_BELOW_LOGO
 804         sprintf (info, "MPC823 CPU at %s MHz",
 805                 strmhz(temp, gd->cpu_clk));
 806         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
 807                                         info, strlen(info));
 808         sprintf (info, "  %ld MB RAM, %ld MB Flash",
 809                 gd->ram_size >> 20,
 810                 gd->bd->bi_flashsize >> 20 );
 811         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
 812                                         info, strlen(info));
 813 #  else
 814         /* leave one blank line */
 815
 816         sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash",
 817                 strmhz(temp, gd->cpu_clk),
 818                 gd->ram_size >> 20,
 819                 gd->bd->bi_flashsize >> 20 );
 820         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
 821                                         (uchar *)info, strlen(info));
 822
 823 #  endif /* CONFIG_LCD_INFO_BELOW_LOGO */
 824 # endif /* CONFIG_LCD_INFO */
 825 #endif /* CONFIG_MPC823 */
 826
 827 #ifdef CONFIG_ATMEL_LCD
 828 # ifdef CONFIG_LCD_INFO
 829         sprintf (info, "%s", U_BOOT_VERSION);
 830         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info));
 831
 832         sprintf (info, "(C) 2008 ATMEL Corp");
 833         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT,
 834                                         (uchar *)info, strlen(info));
 835
 836         sprintf (info, "at91support@atmel.com");
 837         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2,
 838                                         (uchar *)info, strlen(info));
 839
 840         sprintf (info, "%s CPU at %s MHz",
 841                 AT91_CPU_NAME,
 842                 strmhz(temp, AT91_MAIN_CLOCK));
 843         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3,
 844                                         (uchar *)info, strlen(info));
 845
 846         dram_size = 0;
 847         for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
 848                 dram_size += gd->bd->bi_dram[i].size;
 849         nand_size = 0;
 850         for (i = 0; i < CFG_MAX_NAND_DEVICE; i++)
 851                 nand_size += nand_info[i].size;
 852         sprintf (info, "  %ld MB SDRAM, %ld MB NAND",
 853                 dram_size >> 20,
 854                 nand_size >> 20 );
 855         lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4,
 856                                         (uchar *)info, strlen(info));
 857 # endif /* CONFIG_LCD_INFO */
 858 #endif /* CONFIG_ATMEL_LCD */
 859
 860
 861 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
 862         return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
 863 #else
 864         return ((void *)lcd_base);
 865 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
 866 }
 867
 868 /************************************************************************/
 869 /************************************************************************/
 870
 871 #endif /* CONFIG_LCD */