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) 2008 DENX Software Engineering GmbH"); 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 */ 872