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 /************************************************************************/ 59 /* ** FONT DATA */ 60 /************************************************************************/ 61 #include <video_font.h> /* Get font data, width and height */ 62 63 /************************************************************************/ 64 /* ** LOGO DATA */ 65 /************************************************************************/ 66 #ifdef CONFIG_LCD_LOGO 67 # include <bmp_logo.h> /* Get logo data, width and height */ 68 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) 69 # error Default Color Map overlaps with Logo Color Map 70 # endif 71 #endif 72 73 DECLARE_GLOBAL_DATA_PTR; 74 75 ulong lcd_setmem (ulong addr); 76 77 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count); 78 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s); 79 static inline void lcd_putc_xy (ushort x, ushort y, uchar c); 80 81 static int lcd_init (void *lcdbase); 82 83 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]); 84 extern void lcd_ctrl_init (void *lcdbase); 85 extern void lcd_enable (void); 86 static void *lcd_logo (void); 87 88 89 #if LCD_BPP == LCD_COLOR8 90 extern void lcd_setcolreg (ushort regno, 91 ushort red, ushort green, ushort blue); 92 #endif 93 #if LCD_BPP == LCD_MONOCHROME 94 extern void lcd_initcolregs (void); 95 #endif 96 97 static int lcd_getbgcolor (void); 98 static void lcd_setfgcolor (int color); 99 static void lcd_setbgcolor (int color); 100 101 char lcd_is_enabled = 0; 102 extern vidinfo_t panel_info; 103 104 #ifdef NOT_USED_SO_FAR 105 static void lcd_getcolreg (ushort regno, 106 ushort *red, ushort *green, ushort *blue); 107 static int lcd_getfgcolor (void); 108 #endif /* NOT_USED_SO_FAR */ 109 110 /************************************************************************/ 111 112 /*----------------------------------------------------------------------*/ 113 114 static void console_scrollup (void) 115 { 116 #if 1 117 /* Copy up rows ignoring the first one */ 118 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE); 119 120 /* Clear the last one */ 121 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE); 122 #else 123 /* 124 * Poor attempt to optimize speed by moving "long"s. 125 * But the code is ugly, and not a bit faster :-( 126 */ 127 ulong *t = (ulong *)CONSOLE_ROW_FIRST; 128 ulong *s = (ulong *)CONSOLE_ROW_SECOND; 129 ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong); 130 uchar c = lcd_color_bg & 0xFF; 131 ulong val= (c<<24) | (c<<16) | (c<<8) | c; 132 133 while (l--) 134 *t++ = *s++; 135 136 t = (ulong *)CONSOLE_ROW_LAST; 137 l = CONSOLE_ROW_SIZE / sizeof(ulong); 138 139 while (l-- > 0) 140 *t++ = val; 141 #endif 142 } 143 144 /*----------------------------------------------------------------------*/ 145 146 static inline void console_back (void) 147 { 148 if (--console_col < 0) { 149 console_col = CONSOLE_COLS-1 ; 150 if (--console_row < 0) { 151 console_row = 0; 152 } 153 } 154 155 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, 156 console_row * VIDEO_FONT_HEIGHT, 157 ' '); 158 } 159 160 /*----------------------------------------------------------------------*/ 161 162 static inline void console_newline (void) 163 { 164 ++console_row; 165 console_col = 0; 166 167 /* Check if we need to scroll the terminal */ 168 if (console_row >= CONSOLE_ROWS) { 169 /* Scroll everything up */ 170 console_scrollup () ; 171 --console_row; 172 } 173 } 174 175 /*----------------------------------------------------------------------*/ 176 177 void lcd_putc (const char c) 178 { 179 if (!lcd_is_enabled) { 180 serial_putc(c); 181 return; 182 } 183 184 switch (c) { 185 case '\r': console_col = 0; 186 return; 187 188 case '\n': console_newline(); 189 return; 190 191 case '\t': /* Tab (8 chars alignment) */ 192 console_col |= 8; 193 console_col &= ~7; 194 195 if (console_col >= CONSOLE_COLS) { 196 console_newline(); 197 } 198 return; 199 200 case '\b': console_back(); 201 return; 202 203 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, 204 console_row * VIDEO_FONT_HEIGHT, 205 c); 206 if (++console_col >= CONSOLE_COLS) { 207 console_newline(); 208 } 209 return; 210 } 211 /* NOTREACHED */ 212 } 213 214 /*----------------------------------------------------------------------*/ 215 216 void lcd_puts (const char *s) 217 { 218 if (!lcd_is_enabled) { 219 serial_puts (s); 220 return; 221 } 222 223 while (*s) { 224 lcd_putc (*s++); 225 } 226 } 227 228 /*----------------------------------------------------------------------*/ 229 230 void lcd_printf(const char *fmt, ...) 231 { 232 va_list args; 233 char buf[CONFIG_SYS_PBSIZE]; 234 235 va_start(args, fmt); 236 vsprintf(buf, fmt, args); 237 va_end(args); 238 239 lcd_puts(buf); 240 } 241 242 /************************************************************************/ 243 /* ** Low-Level Graphics Routines */ 244 /************************************************************************/ 245 246 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count) 247 { 248 uchar *dest; 249 ushort off, row; 250 251 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); 252 off = x * (1 << LCD_BPP) % 8; 253 254 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { 255 uchar *s = str; 256 uchar *d = dest; 257 int i; 258 259 #if LCD_BPP == LCD_MONOCHROME 260 uchar rest = *d & -(1 << (8-off)); 261 uchar sym; 262 #endif 263 for (i=0; i<count; ++i) { 264 uchar c, bits; 265 266 c = *s++; 267 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 268 269 #if LCD_BPP == LCD_MONOCHROME 270 sym = (COLOR_MASK(lcd_color_fg) & bits) | 271 (COLOR_MASK(lcd_color_bg) & ~bits); 272 273 *d++ = rest | (sym >> off); 274 rest = sym << (8-off); 275 #elif LCD_BPP == LCD_COLOR8 276 for (c=0; c<8; ++c) { 277 *d++ = (bits & 0x80) ? 278 lcd_color_fg : lcd_color_bg; 279 bits <<= 1; 280 } 281 #elif LCD_BPP == LCD_COLOR16 282 for (c=0; c<16; ++c) { 283 *d++ = (bits & 0x80) ? 284 lcd_color_fg : lcd_color_bg; 285 bits <<= 1; 286 } 287 #endif 288 } 289 #if LCD_BPP == LCD_MONOCHROME 290 *d = rest | (*d & ((1 << (8-off)) - 1)); 291 #endif 292 } 293 } 294 295 /*----------------------------------------------------------------------*/ 296 297 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s) 298 { 299 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 300 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s)); 301 #else 302 lcd_drawchars (x, y, s, strlen ((char *)s)); 303 #endif 304 } 305 306 /*----------------------------------------------------------------------*/ 307 308 static inline void lcd_putc_xy (ushort x, ushort y, uchar c) 309 { 310 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 311 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1); 312 #else 313 lcd_drawchars (x, y, &c, 1); 314 #endif 315 } 316 317 /************************************************************************/ 318 /** Small utility to check that you got the colours right */ 319 /************************************************************************/ 320 #ifdef LCD_TEST_PATTERN 321 322 #define N_BLK_VERT 2 323 #define N_BLK_HOR 3 324 325 static int test_colors[N_BLK_HOR*N_BLK_VERT] = { 326 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 327 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 328 }; 329 330 static void test_pattern (void) 331 { 332 ushort v_max = panel_info.vl_row; 333 ushort h_max = panel_info.vl_col; 334 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 335 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 336 ushort v, h; 337 uchar *pix = (uchar *)lcd_base; 338 339 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n", 340 h_max, v_max, h_step, v_step); 341 342 /* WARNING: Code silently assumes 8bit/pixel */ 343 for (v=0; v<v_max; ++v) { 344 uchar iy = v / v_step; 345 for (h=0; h<h_max; ++h) { 346 uchar ix = N_BLK_HOR * iy + (h/h_step); 347 *pix++ = test_colors[ix]; 348 } 349 } 350 } 351 #endif /* LCD_TEST_PATTERN */ 352 353 354 /************************************************************************/ 355 /* ** GENERIC Initialization Routines */ 356 /************************************************************************/ 357 358 int drv_lcd_init (void) 359 { 360 device_t lcddev; 361 int rc; 362 363 lcd_base = (void *)(gd->fb_base); 364 365 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 366 367 lcd_init (lcd_base); /* LCD initialization */ 368 369 /* Device initialization */ 370 memset (&lcddev, 0, sizeof (lcddev)); 371 372 strcpy (lcddev.name, "lcd"); 373 lcddev.ext = 0; /* No extensions */ 374 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 375 lcddev.putc = lcd_putc; /* 'putc' function */ 376 lcddev.puts = lcd_puts; /* 'puts' function */ 377 378 rc = device_register (&lcddev); 379 380 return (rc == 0) ? 1 : rc; 381 } 382 383 /*----------------------------------------------------------------------*/ 384 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) 385 { 386 #if LCD_BPP == LCD_MONOCHROME 387 /* Setting the palette */ 388 lcd_initcolregs(); 389 390 #elif LCD_BPP == LCD_COLOR8 391 /* Setting the palette */ 392 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0); 393 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0); 394 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 395 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 396 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 397 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 398 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 399 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 400 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 401 #endif 402 403 #ifndef CONFIG_SYS_WHITE_ON_BLACK 404 lcd_setfgcolor (CONSOLE_COLOR_BLACK); 405 lcd_setbgcolor (CONSOLE_COLOR_WHITE); 406 #else 407 lcd_setfgcolor (CONSOLE_COLOR_WHITE); 408 lcd_setbgcolor (CONSOLE_COLOR_BLACK); 409 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 410 411 #ifdef LCD_TEST_PATTERN 412 test_pattern(); 413 #else 414 /* set framebuffer to background color */ 415 memset ((char *)lcd_base, 416 COLOR_MASK(lcd_getbgcolor()), 417 lcd_line_length*panel_info.vl_row); 418 #endif 419 /* Paint the logo and retrieve LCD base address */ 420 debug ("[LCD] Drawing the logo...\n"); 421 lcd_console_address = lcd_logo (); 422 423 console_col = 0; 424 console_row = 0; 425 426 return (0); 427 } 428 429 U_BOOT_CMD( 430 cls, 1, 1, lcd_clear, 431 "cls - clear screen\n", 432 NULL 433 ); 434 435 /*----------------------------------------------------------------------*/ 436 437 static int lcd_init (void *lcdbase) 438 { 439 /* Initialize the lcd controller */ 440 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 441 442 lcd_ctrl_init (lcdbase); 443 lcd_is_enabled = 1; 444 lcd_clear (NULL, 1, 1, NULL); /* dummy args */ 445 lcd_enable (); 446 447 /* Initialize the console */ 448 console_col = 0; 449 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 450 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; 451 #else 452 console_row = 1; /* leave 1 blank line below logo */ 453 #endif 454 455 return 0; 456 } 457 458 459 /************************************************************************/ 460 /* ** ROM capable initialization part - needed to reserve FB memory */ 461 /************************************************************************/ 462 /* 463 * This is called early in the system initialization to grab memory 464 * for the LCD controller. 465 * Returns new address for monitor, after reserving LCD buffer memory 466 * 467 * Note that this is running from ROM, so no write access to global data. 468 */ 469 ulong lcd_setmem (ulong addr) 470 { 471 ulong size; 472 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 473 474 debug ("LCD panel info: %d x %d, %d bit/pix\n", 475 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) ); 476 477 size = line_length * panel_info.vl_row; 478 479 /* Round up to nearest full page */ 480 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 481 482 /* Allocate pages for the frame buffer. */ 483 addr -= size; 484 485 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); 486 487 return (addr); 488 } 489 490 /*----------------------------------------------------------------------*/ 491 492 static void lcd_setfgcolor (int color) 493 { 494 #ifdef CONFIG_ATMEL_LCD 495 lcd_color_fg = color; 496 #else 497 lcd_color_fg = color & 0x0F; 498 #endif 499 } 500 501 /*----------------------------------------------------------------------*/ 502 503 static void lcd_setbgcolor (int color) 504 { 505 #ifdef CONFIG_ATMEL_LCD 506 lcd_color_bg = color; 507 #else 508 lcd_color_bg = color & 0x0F; 509 #endif 510 } 511 512 /*----------------------------------------------------------------------*/ 513 514 #ifdef NOT_USED_SO_FAR 515 static int lcd_getfgcolor (void) 516 { 517 return lcd_color_fg; 518 } 519 #endif /* NOT_USED_SO_FAR */ 520 521 /*----------------------------------------------------------------------*/ 522 523 static int lcd_getbgcolor (void) 524 { 525 return lcd_color_bg; 526 } 527 528 /*----------------------------------------------------------------------*/ 529 530 /************************************************************************/ 531 /* ** Chipset depending Bitmap / Logo stuff... */ 532 /************************************************************************/ 533 #ifdef CONFIG_LCD_LOGO 534 void bitmap_plot (int x, int y) 535 { 536 #ifdef CONFIG_ATMEL_LCD 537 uint *cmap; 538 #else 539 ushort *cmap; 540 #endif 541 ushort i, j; 542 uchar *bmap; 543 uchar *fb; 544 ushort *fb16; 545 #if defined(CONFIG_PXA250) 546 struct pxafb_info *fbi = &panel_info.pxa; 547 #elif defined(CONFIG_MPC823) 548 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 549 volatile cpm8xx_t *cp = &(immr->im_cpm); 550 #endif 551 552 debug ("Logo: width %d height %d colors %d cmap %d\n", 553 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 554 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort)))); 555 556 bmap = &bmp_logo_bitmap[0]; 557 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 558 559 if (NBITS(panel_info.vl_bpix) < 12) { 560 /* Leave room for default color map */ 561 #if defined(CONFIG_PXA250) 562 cmap = (ushort *)fbi->palette; 563 #elif defined(CONFIG_MPC823) 564 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]); 565 #elif defined(CONFIG_ATMEL_LCD) 566 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); 567 #endif 568 569 WATCHDOG_RESET(); 570 571 /* Set color map */ 572 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) { 573 ushort colreg = bmp_logo_palette[i]; 574 #ifdef CONFIG_ATMEL_LCD 575 uint lut_entry; 576 #ifdef CONFIG_ATMEL_LCD_BGR555 577 lut_entry = ((colreg & 0x000F) << 11) | 578 ((colreg & 0x00F0) << 2) | 579 ((colreg & 0x0F00) >> 7); 580 #else /* CONFIG_ATMEL_LCD_RGB565 */ 581 lut_entry = ((colreg & 0x000F) << 1) | 582 ((colreg & 0x00F0) << 3) | 583 ((colreg & 0x0F00) << 4); 584 #endif 585 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 586 cmap++; 587 #else /* !CONFIG_ATMEL_LCD */ 588 #ifdef CONFIG_SYS_INVERT_COLORS 589 *cmap++ = 0xffff - colreg; 590 #else 591 *cmap++ = colreg; 592 #endif 593 #endif /* CONFIG_ATMEL_LCD */ 594 } 595 596 WATCHDOG_RESET(); 597 598 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 599 memcpy (fb, bmap, BMP_LOGO_WIDTH); 600 bmap += BMP_LOGO_WIDTH; 601 fb += panel_info.vl_col; 602 } 603 } 604 else { /* true color mode */ 605 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 606 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 607 for (j=0; j<BMP_LOGO_WIDTH; j++) { 608 fb16[j] = bmp_logo_palette[(bmap[j])]; 609 } 610 bmap += BMP_LOGO_WIDTH; 611 fb16 += panel_info.vl_col; 612 } 613 } 614 615 WATCHDOG_RESET(); 616 } 617 #endif /* CONFIG_LCD_LOGO */ 618 619 /*----------------------------------------------------------------------*/ 620 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 621 /* 622 * Display the BMP file located at address bmp_image. 623 * Only uncompressed. 624 */ 625 int lcd_display_bitmap(ulong bmp_image, int x, int y) 626 { 627 #ifdef CONFIG_ATMEL_LCD 628 uint *cmap; 629 #elif !defined(CONFIG_MCC200) 630 ushort *cmap; 631 #endif 632 ushort i, j; 633 uchar *fb; 634 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 635 uchar *bmap; 636 ushort padded_line; 637 unsigned long width, height; 638 unsigned long pwidth = panel_info.vl_col; 639 unsigned colors,bpix; 640 unsigned long compression; 641 #if defined(CONFIG_PXA250) 642 struct pxafb_info *fbi = &panel_info.pxa; 643 #elif defined(CONFIG_MPC823) 644 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 645 volatile cpm8xx_t *cp = &(immr->im_cpm); 646 #endif 647 648 if (!((bmp->header.signature[0]=='B') && 649 (bmp->header.signature[1]=='M'))) { 650 printf ("Error: no valid bmp image at %lx\n", bmp_image); 651 return 1; 652 } 653 654 width = le32_to_cpu (bmp->header.width); 655 height = le32_to_cpu (bmp->header.height); 656 colors = 1<<le16_to_cpu (bmp->header.bit_count); 657 compression = le32_to_cpu (bmp->header.compression); 658 659 bpix = NBITS(panel_info.vl_bpix); 660 661 if ((bpix != 1) && (bpix != 8)) { 662 printf ("Error: %d bit/pixel mode not supported by U-Boot\n", 663 bpix); 664 return 1; 665 } 666 667 if (bpix != le16_to_cpu(bmp->header.bit_count)) { 668 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 669 bpix, 670 le16_to_cpu(bmp->header.bit_count)); 671 return 1; 672 } 673 674 debug ("Display-bmp: %d x %d with %d colors\n", 675 (int)width, (int)height, (int)colors); 676 677 #if !defined(CONFIG_MCC200) 678 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 679 if (bpix==8) { 680 #if defined(CONFIG_PXA250) 681 cmap = (ushort *)fbi->palette; 682 #elif defined(CONFIG_MPC823) 683 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); 684 #elif defined(CONFIG_ATMEL_LCD) 685 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); 686 #else 687 # error "Don't know location of color map" 688 #endif 689 690 /* Set color map */ 691 for (i=0; i<colors; ++i) { 692 bmp_color_table_entry_t cte = bmp->color_table[i]; 693 #if !defined(CONFIG_ATMEL_LCD) 694 ushort colreg = 695 ( ((cte.red) << 8) & 0xf800) | 696 ( ((cte.green) << 3) & 0x07e0) | 697 ( ((cte.blue) >> 3) & 0x001f) ; 698 #ifdef CONFIG_SYS_INVERT_COLORS 699 *cmap = 0xffff - colreg; 700 #else 701 *cmap = colreg; 702 #endif 703 #if defined(CONFIG_PXA250) 704 cmap++; 705 #elif defined(CONFIG_MPC823) 706 cmap--; 707 #endif 708 #else /* CONFIG_ATMEL_LCD */ 709 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 710 #endif 711 } 712 } 713 #endif 714 715 /* 716 * BMP format for Monochrome assumes that the state of a 717 * pixel is described on a per Bit basis, not per Byte. 718 * So, in case of Monochrome BMP we should align widths 719 * on a byte boundary and convert them from Bit to Byte 720 * units. 721 * Probably, PXA250 and MPC823 process 1bpp BMP images in 722 * their own ways, so make the converting to be MCC200 723 * specific. 724 */ 725 #if defined(CONFIG_MCC200) 726 if (bpix==1) 727 { 728 width = ((width + 7) & ~7) >> 3; 729 x = ((x + 7) & ~7) >> 3; 730 pwidth= ((pwidth + 7) & ~7) >> 3; 731 } 732 #endif 733 734 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 735 if ((x + width)>pwidth) 736 width = pwidth - x; 737 if ((y + height)>panel_info.vl_row) 738 height = panel_info.vl_row - y; 739 740 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset); 741 fb = (uchar *) (lcd_base + 742 (y + height - 1) * lcd_line_length + x); 743 for (i = 0; i < height; ++i) { 744 WATCHDOG_RESET(); 745 for (j = 0; j < width ; j++) 746 #if defined(CONFIG_PXA250) || defined(CONFIG_ATMEL_LCD) 747 *(fb++) = *(bmap++); 748 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 749 *(fb++)=255-*(bmap++); 750 #endif 751 bmap += (width - padded_line); 752 fb -= (width + lcd_line_length); 753 } 754 755 return (0); 756 } 757 #endif 758 759 #ifdef CONFIG_VIDEO_BMP_GZIP 760 extern bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp); 761 #endif 762 763 static void *lcd_logo (void) 764 { 765 #ifdef CONFIG_LCD_INFO 766 char info[80]; 767 char temp[32]; 768 #ifdef CONFIG_ATMEL_LCD 769 int i; 770 ulong dram_size, nand_size; 771 #endif 772 #endif /* CONFIG_LCD_INFO */ 773 774 #ifdef CONFIG_SPLASH_SCREEN 775 char *s; 776 ulong addr; 777 static int do_splash = 1; 778 779 if (do_splash && (s = getenv("splashimage")) != NULL) { 780 addr = simple_strtoul(s, NULL, 16); 781 do_splash = 0; 782 783 #ifdef CONFIG_VIDEO_BMP_GZIP 784 bmp_image_t *bmp = (bmp_image_t *)addr; 785 unsigned long len; 786 787 if (!((bmp->header.signature[0]=='B') && 788 (bmp->header.signature[1]=='M'))) { 789 addr = (ulong)gunzip_bmp(addr, &len); 790 } 791 #endif 792 793 if (lcd_display_bitmap (addr, 0, 0) == 0) { 794 return ((void *)lcd_base); 795 } 796 } 797 #endif /* CONFIG_SPLASH_SCREEN */ 798 799 #ifdef CONFIG_LCD_LOGO 800 bitmap_plot (0, 0); 801 #endif /* CONFIG_LCD_LOGO */ 802 803 #ifdef CONFIG_MPC823 804 # ifdef CONFIG_LCD_INFO 805 sprintf (info, "%s (%s - %s) ", U_BOOT_VERSION, __DATE__, __TIME__); 806 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info)); 807 808 sprintf (info, "(C) 2008 DENX Software Engineering GmbH"); 809 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT, 810 (uchar *)info, strlen(info)); 811 812 sprintf (info, " Wolfgang DENK, wd@denx.de"); 813 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2, 814 (uchar *)info, strlen(info)); 815 # ifdef CONFIG_LCD_INFO_BELOW_LOGO 816 sprintf (info, "MPC823 CPU at %s MHz", 817 strmhz(temp, gd->cpu_clk)); 818 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3, 819 info, strlen(info)); 820 sprintf (info, " %ld MB RAM, %ld MB Flash", 821 gd->ram_size >> 20, 822 gd->bd->bi_flashsize >> 20 ); 823 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, 824 info, strlen(info)); 825 # else 826 /* leave one blank line */ 827 828 sprintf (info, "MPC823 CPU at %s MHz, %ld MB RAM, %ld MB Flash", 829 strmhz(temp, gd->cpu_clk), 830 gd->ram_size >> 20, 831 gd->bd->bi_flashsize >> 20 ); 832 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, 833 (uchar *)info, strlen(info)); 834 835 # endif /* CONFIG_LCD_INFO_BELOW_LOGO */ 836 # endif /* CONFIG_LCD_INFO */ 837 #endif /* CONFIG_MPC823 */ 838 839 #ifdef CONFIG_ATMEL_LCD 840 # ifdef CONFIG_LCD_INFO 841 sprintf (info, "%s", U_BOOT_VERSION); 842 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y, (uchar *)info, strlen(info)); 843 844 sprintf (info, "(C) 2008 ATMEL Corp"); 845 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT, 846 (uchar *)info, strlen(info)); 847 848 sprintf (info, "at91support@atmel.com"); 849 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 2, 850 (uchar *)info, strlen(info)); 851 852 sprintf (info, "%s CPU at %s MHz", 853 AT91_CPU_NAME, 854 strmhz(temp, AT91_MAIN_CLOCK)); 855 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 3, 856 (uchar *)info, strlen(info)); 857 858 dram_size = 0; 859 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) 860 dram_size += gd->bd->bi_dram[i].size; 861 nand_size = 0; 862 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) 863 nand_size += nand_info[i].size; 864 sprintf (info, " %ld MB SDRAM, %ld MB NAND", 865 dram_size >> 20, 866 nand_size >> 20 ); 867 lcd_drawchars (LCD_INFO_X, LCD_INFO_Y + VIDEO_FONT_HEIGHT * 4, 868 (uchar *)info, strlen(info)); 869 # endif /* CONFIG_LCD_INFO */ 870 #endif /* CONFIG_ATMEL_LCD */ 871 872 873 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 874 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); 875 #else 876 return ((void *)lcd_base); 877 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 878 } 879 880 /************************************************************************/ 881 /************************************************************************/ 882