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 #ifdef CONFIG_LCD 54 55 /************************************************************************/ 56 /* ** FONT DATA */ 57 /************************************************************************/ 58 #include <video_font.h> /* Get font data, width and height */ 59 60 /************************************************************************/ 61 /* ** LOGO DATA */ 62 /************************************************************************/ 63 #ifdef CONFIG_LCD_LOGO 64 # include <bmp_logo.h> /* Get logo data, width and height */ 65 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) 66 # error Default Color Map overlaps with Logo Color Map 67 # endif 68 #endif 69 70 DECLARE_GLOBAL_DATA_PTR; 71 72 ulong lcd_setmem (ulong addr); 73 74 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count); 75 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s); 76 static inline void lcd_putc_xy (ushort x, ushort y, uchar c); 77 78 static int lcd_init (void *lcdbase); 79 80 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]); 81 extern void lcd_ctrl_init (void *lcdbase); 82 extern void lcd_enable (void); 83 static void *lcd_logo (void); 84 85 86 #if LCD_BPP == LCD_COLOR8 87 extern void lcd_setcolreg (ushort regno, 88 ushort red, ushort green, ushort blue); 89 #endif 90 #if LCD_BPP == LCD_MONOCHROME 91 extern void lcd_initcolregs (void); 92 #endif 93 94 static int lcd_getbgcolor (void); 95 static void lcd_setfgcolor (int color); 96 static void lcd_setbgcolor (int color); 97 98 char lcd_is_enabled = 0; 99 extern vidinfo_t panel_info; 100 101 #ifdef NOT_USED_SO_FAR 102 static void lcd_getcolreg (ushort regno, 103 ushort *red, ushort *green, ushort *blue); 104 static int lcd_getfgcolor (void); 105 #endif /* NOT_USED_SO_FAR */ 106 107 /************************************************************************/ 108 109 /*----------------------------------------------------------------------*/ 110 111 static void console_scrollup (void) 112 { 113 #if 1 114 /* Copy up rows ignoring the first one */ 115 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE); 116 117 /* Clear the last one */ 118 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE); 119 #else 120 /* 121 * Poor attempt to optimize speed by moving "long"s. 122 * But the code is ugly, and not a bit faster :-( 123 */ 124 ulong *t = (ulong *)CONSOLE_ROW_FIRST; 125 ulong *s = (ulong *)CONSOLE_ROW_SECOND; 126 ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong); 127 uchar c = lcd_color_bg & 0xFF; 128 ulong val= (c<<24) | (c<<16) | (c<<8) | c; 129 130 while (l--) 131 *t++ = *s++; 132 133 t = (ulong *)CONSOLE_ROW_LAST; 134 l = CONSOLE_ROW_SIZE / sizeof(ulong); 135 136 while (l-- > 0) 137 *t++ = val; 138 #endif 139 } 140 141 /*----------------------------------------------------------------------*/ 142 143 static inline void console_back (void) 144 { 145 if (--console_col < 0) { 146 console_col = CONSOLE_COLS-1 ; 147 if (--console_row < 0) { 148 console_row = 0; 149 } 150 } 151 152 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, 153 console_row * VIDEO_FONT_HEIGHT, 154 ' '); 155 } 156 157 /*----------------------------------------------------------------------*/ 158 159 static inline void console_newline (void) 160 { 161 ++console_row; 162 console_col = 0; 163 164 /* Check if we need to scroll the terminal */ 165 if (console_row >= CONSOLE_ROWS) { 166 /* Scroll everything up */ 167 console_scrollup () ; 168 --console_row; 169 } 170 } 171 172 /*----------------------------------------------------------------------*/ 173 174 void lcd_putc (const char c) 175 { 176 if (!lcd_is_enabled) { 177 serial_putc(c); 178 return; 179 } 180 181 switch (c) { 182 case '\r': console_col = 0; 183 return; 184 185 case '\n': console_newline(); 186 return; 187 188 case '\t': /* Tab (8 chars alignment) */ 189 console_col |= 8; 190 console_col &= ~7; 191 192 if (console_col >= CONSOLE_COLS) { 193 console_newline(); 194 } 195 return; 196 197 case '\b': console_back(); 198 return; 199 200 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, 201 console_row * VIDEO_FONT_HEIGHT, 202 c); 203 if (++console_col >= CONSOLE_COLS) { 204 console_newline(); 205 } 206 return; 207 } 208 /* NOTREACHED */ 209 } 210 211 /*----------------------------------------------------------------------*/ 212 213 void lcd_puts (const char *s) 214 { 215 if (!lcd_is_enabled) { 216 serial_puts (s); 217 return; 218 } 219 220 while (*s) { 221 lcd_putc (*s++); 222 } 223 } 224 225 /************************************************************************/ 226 /* ** Low-Level Graphics Routines */ 227 /************************************************************************/ 228 229 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count) 230 { 231 uchar *dest; 232 ushort off, row; 233 234 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); 235 off = x * (1 << LCD_BPP) % 8; 236 237 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { 238 uchar *s = str; 239 uchar *d = dest; 240 int i; 241 242 #if LCD_BPP == LCD_MONOCHROME 243 uchar rest = *d & -(1 << (8-off)); 244 uchar sym; 245 #endif 246 for (i=0; i<count; ++i) { 247 uchar c, bits; 248 249 c = *s++; 250 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 251 252 #if LCD_BPP == LCD_MONOCHROME 253 sym = (COLOR_MASK(lcd_color_fg) & bits) | 254 (COLOR_MASK(lcd_color_bg) & ~bits); 255 256 *d++ = rest | (sym >> off); 257 rest = sym << (8-off); 258 #elif LCD_BPP == LCD_COLOR8 259 for (c=0; c<8; ++c) { 260 *d++ = (bits & 0x80) ? 261 lcd_color_fg : lcd_color_bg; 262 bits <<= 1; 263 } 264 #elif LCD_BPP == LCD_COLOR16 265 for (c=0; c<16; ++c) { 266 *d++ = (bits & 0x80) ? 267 lcd_color_fg : lcd_color_bg; 268 bits <<= 1; 269 } 270 #endif 271 } 272 #if LCD_BPP == LCD_MONOCHROME 273 *d = rest | (*d & ((1 << (8-off)) - 1)); 274 #endif 275 } 276 } 277 278 /*----------------------------------------------------------------------*/ 279 280 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s) 281 { 282 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 283 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s)); 284 #else 285 lcd_drawchars (x, y, s, strlen ((char *)s)); 286 #endif 287 } 288 289 /*----------------------------------------------------------------------*/ 290 291 static inline void lcd_putc_xy (ushort x, ushort y, uchar c) 292 { 293 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 294 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1); 295 #else 296 lcd_drawchars (x, y, &c, 1); 297 #endif 298 } 299 300 /************************************************************************/ 301 /** Small utility to check that you got the colours right */ 302 /************************************************************************/ 303 #ifdef LCD_TEST_PATTERN 304 305 #define N_BLK_VERT 2 306 #define N_BLK_HOR 3 307 308 static int test_colors[N_BLK_HOR*N_BLK_VERT] = { 309 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 310 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 311 }; 312 313 static void test_pattern (void) 314 { 315 ushort v_max = panel_info.vl_row; 316 ushort h_max = panel_info.vl_col; 317 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 318 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 319 ushort v, h; 320 uchar *pix = (uchar *)lcd_base; 321 322 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n", 323 h_max, v_max, h_step, v_step); 324 325 /* WARNING: Code silently assumes 8bit/pixel */ 326 for (v=0; v<v_max; ++v) { 327 uchar iy = v / v_step; 328 for (h=0; h<h_max; ++h) { 329 uchar ix = N_BLK_HOR * iy + (h/h_step); 330 *pix++ = test_colors[ix]; 331 } 332 } 333 } 334 #endif /* LCD_TEST_PATTERN */ 335 336 337 /************************************************************************/ 338 /* ** GENERIC Initialization Routines */ 339 /************************************************************************/ 340 341 int drv_lcd_init (void) 342 { 343 device_t lcddev; 344 int rc; 345 346 lcd_base = (void *)(gd->fb_base); 347 348 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 349 350 lcd_init (lcd_base); /* LCD initialization */ 351 352 /* Device initialization */ 353 memset (&lcddev, 0, sizeof (lcddev)); 354 355 strcpy (lcddev.name, "lcd"); 356 lcddev.ext = 0; /* No extensions */ 357 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 358 lcddev.putc = lcd_putc; /* 'putc' function */ 359 lcddev.puts = lcd_puts; /* 'puts' function */ 360 361 rc = device_register (&lcddev); 362 363 return (rc == 0) ? 1 : rc; 364 } 365 366 /*----------------------------------------------------------------------*/ 367 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) 368 { 369 #if LCD_BPP == LCD_MONOCHROME 370 /* Setting the palette */ 371 lcd_initcolregs(); 372 373 #elif LCD_BPP == LCD_COLOR8 374 /* Setting the palette */ 375 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0); 376 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0); 377 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 378 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 379 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 380 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 381 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 382 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 383 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 384 #endif 385 386 #ifndef CFG_WHITE_ON_BLACK 387 lcd_setfgcolor (CONSOLE_COLOR_BLACK); 388 lcd_setbgcolor (CONSOLE_COLOR_WHITE); 389 #else 390 lcd_setfgcolor (CONSOLE_COLOR_WHITE); 391 lcd_setbgcolor (CONSOLE_COLOR_BLACK); 392 #endif /* CFG_WHITE_ON_BLACK */ 393 394 #ifdef LCD_TEST_PATTERN 395 test_pattern(); 396 #else 397 /* set framebuffer to background color */ 398 memset ((char *)lcd_base, 399 COLOR_MASK(lcd_getbgcolor()), 400 lcd_line_length*panel_info.vl_row); 401 #endif 402 /* Paint the logo and retrieve LCD base address */ 403 debug ("[LCD] Drawing the logo...\n"); 404 lcd_console_address = lcd_logo (); 405 406 console_col = 0; 407 console_row = 0; 408 409 return (0); 410 } 411 412 U_BOOT_CMD( 413 cls, 1, 1, lcd_clear, 414 "cls - clear screen\n", 415 NULL 416 ); 417 418 /*----------------------------------------------------------------------*/ 419 420 static int lcd_init (void *lcdbase) 421 { 422 /* Initialize the lcd controller */ 423 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 424 425 lcd_ctrl_init (lcdbase); 426 lcd_clear (NULL, 1, 1, NULL); /* dummy args */ 427 lcd_enable (); 428 429 /* Initialize the console */ 430 console_col = 0; 431 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 432 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; 433 #else 434 console_row = 1; /* leave 1 blank line below logo */ 435 #endif 436 lcd_is_enabled = 1; 437 438 return 0; 439 } 440 441 442 /************************************************************************/ 443 /* ** ROM capable initialization part - needed to reserve FB memory */ 444 /************************************************************************/ 445 /* 446 * This is called early in the system initialization to grab memory 447 * for the LCD controller. 448 * Returns new address for monitor, after reserving LCD buffer memory 449 * 450 * Note that this is running from ROM, so no write access to global data. 451 */ 452 ulong lcd_setmem (ulong addr) 453 { 454 ulong size; 455 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 456 457 debug ("LCD panel info: %d x %d, %d bit/pix\n", 458 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) ); 459 460 size = line_length * panel_info.vl_row; 461 462 /* Round up to nearest full page */ 463 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 464 465 /* Allocate pages for the frame buffer. */ 466 addr -= size; 467 468 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); 469 470 return (addr); 471 } 472 473 /*----------------------------------------------------------------------*/ 474 475 static void lcd_setfgcolor (int color) 476 { 477 lcd_color_fg = color & 0x0F; 478 } 479 480 /*----------------------------------------------------------------------*/ 481 482 static void lcd_setbgcolor (int color) 483 { 484 lcd_color_bg = color & 0x0F; 485 } 486 487 /*----------------------------------------------------------------------*/ 488 489 #ifdef NOT_USED_SO_FAR 490 static int lcd_getfgcolor (void) 491 { 492 return lcd_color_fg; 493 } 494 #endif /* NOT_USED_SO_FAR */ 495 496 /*----------------------------------------------------------------------*/ 497 498 static int lcd_getbgcolor (void) 499 { 500 return lcd_color_bg; 501 } 502 503 /*----------------------------------------------------------------------*/ 504 505 /************************************************************************/ 506 /* ** Chipset depending Bitmap / Logo stuff... */ 507 /************************************************************************/ 508 #ifdef CONFIG_LCD_LOGO 509 void bitmap_plot (int x, int y) 510 { 511 ushort *cmap; 512 ushort i, j; 513 uchar *bmap; 514 uchar *fb; 515 ushort *fb16; 516 #if defined(CONFIG_PXA250) 517 struct pxafb_info *fbi = &panel_info.pxa; 518 #elif defined(CONFIG_MPC823) 519 volatile immap_t *immr = (immap_t *) CFG_IMMR; 520 volatile cpm8xx_t *cp = &(immr->im_cpm); 521 #endif 522 523 debug ("Logo: width %d height %d colors %d cmap %d\n", 524 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 525 sizeof(bmp_logo_palette)/(sizeof(ushort))); 526 527 bmap = &bmp_logo_bitmap[0]; 528 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 529 530 if (NBITS(panel_info.vl_bpix) < 12) { 531 /* Leave room for default color map */ 532 #if defined(CONFIG_PXA250) 533 cmap = (ushort *)fbi->palette; 534 #elif defined(CONFIG_MPC823) 535 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]); 536 #endif 537 538 WATCHDOG_RESET(); 539 540 /* Set color map */ 541 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) { 542 ushort colreg = bmp_logo_palette[i]; 543 #ifdef CFG_INVERT_COLORS 544 *cmap++ = 0xffff - colreg; 545 #else 546 *cmap++ = colreg; 547 #endif 548 } 549 550 WATCHDOG_RESET(); 551 552 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 553 memcpy (fb, bmap, BMP_LOGO_WIDTH); 554 bmap += BMP_LOGO_WIDTH; 555 fb += panel_info.vl_col; 556 } 557 } 558 else { /* true color mode */ 559 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 560 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 561 for (j=0; j<BMP_LOGO_WIDTH; j++) { 562 fb16[j] = bmp_logo_palette[(bmap[j])]; 563 } 564 bmap += BMP_LOGO_WIDTH; 565 fb16 += panel_info.vl_col; 566 } 567 } 568 569 WATCHDOG_RESET(); 570 } 571 #endif /* CONFIG_LCD_LOGO */ 572 573 /*----------------------------------------------------------------------*/ 574 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 575 /* 576 * Display the BMP file located at address bmp_image. 577 * Only uncompressed. 578 */ 579 int lcd_display_bitmap(ulong bmp_image, int x, int y) 580 { 581 #if !defined(CONFIG_MCC200) 582 ushort *cmap; 583 #endif 584 ushort i, j; 585 uchar *fb; 586 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 587 uchar *bmap; 588 ushort padded_line; 589 unsigned long width, height; 590 unsigned long pwidth = panel_info.vl_col; 591 unsigned colors,bpix; 592 unsigned long compression; 593 #if defined(CONFIG_PXA250) 594 struct pxafb_info *fbi = &panel_info.pxa; 595 #elif defined(CONFIG_MPC823) 596 volatile immap_t *immr = (immap_t *) CFG_IMMR; 597 volatile cpm8xx_t *cp = &(immr->im_cpm); 598 #endif 599 600 if (!((bmp->header.signature[0]=='B') && 601 (bmp->header.signature[1]=='M'))) { 602 printf ("Error: no valid bmp image at %lx\n", bmp_image); 603 return 1; 604 } 605 606 width = le32_to_cpu (bmp->header.width); 607 height = le32_to_cpu (bmp->header.height); 608 colors = 1<<le16_to_cpu (bmp->header.bit_count); 609 compression = le32_to_cpu (bmp->header.compression); 610 611 bpix = NBITS(panel_info.vl_bpix); 612 613 if ((bpix != 1) && (bpix != 8)) { 614 printf ("Error: %d bit/pixel mode not supported by U-Boot\n", 615 bpix); 616 return 1; 617 } 618 619 if (bpix != le16_to_cpu(bmp->header.bit_count)) { 620 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 621 bpix, 622 le16_to_cpu(bmp->header.bit_count)); 623 return 1; 624 } 625 626 debug ("Display-bmp: %d x %d with %d colors\n", 627 (int)width, (int)height, (int)colors); 628 629 #if !defined(CONFIG_MCC200) 630 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 631 if (bpix==8) { 632 #if defined(CONFIG_PXA250) 633 cmap = (ushort *)fbi->palette; 634 #elif defined(CONFIG_MPC823) 635 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); 636 #else 637 # error "Don't know location of color map" 638 #endif 639 640 /* Set color map */ 641 for (i=0; i<colors; ++i) { 642 bmp_color_table_entry_t cte = bmp->color_table[i]; 643 ushort colreg = 644 ( ((cte.red) << 8) & 0xf800) | 645 ( ((cte.green) << 3) & 0x07e0) | 646 ( ((cte.blue) >> 3) & 0x001f) ; 647 #ifdef CFG_INVERT_COLORS 648 *cmap = 0xffff - colreg; 649 #else 650 *cmap = colreg; 651 #endif 652 #if defined(CONFIG_PXA250) 653 cmap++; 654 #elif defined(CONFIG_MPC823) 655 cmap--; 656 #endif 657 } 658 } 659 #endif 660 661 /* 662 * BMP format for Monochrome assumes that the state of a 663 * pixel is described on a per Bit basis, not per Byte. 664 * So, in case of Monochrome BMP we should align widths 665 * on a byte boundary and convert them from Bit to Byte 666 * units. 667 * Probably, PXA250 and MPC823 process 1bpp BMP images in 668 * their own ways, so make the converting to be MCC200 669 * specific. 670 */ 671 #if defined(CONFIG_MCC200) 672 if (bpix==1) 673 { 674 width = ((width + 7) & ~7) >> 3; 675 x = ((x + 7) & ~7) >> 3; 676 pwidth= ((pwidth + 7) & ~7) >> 3; 677 } 678 #endif 679 680 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 681 if ((x + width)>pwidth) 682 width = pwidth - x; 683 if ((y + height)>panel_info.vl_row) 684 height = panel_info.vl_row - y; 685 686 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset); 687 fb = (uchar *) (lcd_base + 688 (y + height - 1) * lcd_line_length + x); 689 for (i = 0; i < height; ++i) { 690 WATCHDOG_RESET(); 691 for (j = 0; j < width ; j++) 692 #if defined(CONFIG_PXA250) 693 *(fb++)=*(bmap++); 694 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 695 *(fb++)=255-*(bmap++); 696 #endif 697 bmap += (width - padded_line); 698 fb -= (width + lcd_line_length); 699 } 700 701 return (0); 702 } 703 #endif 704 705 706 static void *lcd_logo (void) 707 { 708 #ifdef CONFIG_LCD_INFO 709 char info[80]; 710 char temp[32]; 711 #endif /* CONFIG_LCD_INFO */ 712 713 #ifdef CONFIG_SPLASH_SCREEN 714 char *s; 715 ulong addr; 716 static int do_splash = 1; 717 718 if (do_splash && (s = getenv("splashimage")) != NULL) { 719 addr = simple_strtoul(s, NULL, 16); 720 do_splash = 0; 721 722 if (lcd_display_bitmap (addr, 0, 0) == 0) { 723 return ((void *)lcd_base); 724 } 725 } 726 #endif /* CONFIG_SPLASH_SCREEN */ 727 728 #ifdef CONFIG_LCD_LOGO 729 bitmap_plot (0, 0); 730 #endif /* CONFIG_LCD_LOGO */ 731 732 #ifdef CONFIG_MPC823 733 # ifdef CONFIG_LCD_INFO 734 sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__); 735 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info)); 736 737 sprintf (info, "(C) 2004 DENX Software Engineering"); 738 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT, 739 (uchar *)info, strlen(info)); 740 741 sprintf (info, " Wolfgang DENK, wd@denx.de"); 742 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2, 743 (uchar *)info, strlen(info)); 744 # ifdef CONFIG_LCD_INFO_BELOW_LOGO 745 sprintf (info, "MPC823 CPU at %s MHz", 746 strmhz(temp, gd->cpu_clk)); 747 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3, 748 info, strlen(info)); 749 sprintf (info, " %ld MB RAM, %ld MB Flash", 750 gd->ram_size >> 20, 751 gd->bd->bi_flashsize >> 20 ); 752 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, 753 info, strlen(info)); 754 # else 755 /* leave one blank line */ 756 757 sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash", 758 strmhz(temp, gd->cpu_clk), 759 gd->ram_size >> 20, 760 gd->bd->bi_flashsize >> 20 ); 761 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, 762 (uchar *)info, strlen(info)); 763 764 # endif /* CONFIG_LCD_INFO_BELOW_LOGO */ 765 # endif /* CONFIG_LCD_INFO */ 766 #endif /* CONFIG_MPC823 */ 767 768 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 769 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); 770 #else 771 return ((void *)lcd_base); 772 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 773 } 774 775 /************************************************************************/ 776 /************************************************************************/ 777 778 #endif /* CONFIG_LCD */ 779