board/esd/hh405/hh405.c

   1 /*
   2  * (C) Copyright 2001-2004
   3  * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
   4  *
   5  * (C) Copyright 2005
   6  * Stefan Roese, DENX Software Engineering, sr@denx.de.
   7  *
   8  * (C) Copyright 2006-2007
   9  * Matthias Fuchs, esd GmbH, matthias.fuchs@esd-electronics.com
  10  *
  11  * See file CREDITS for list of people who contributed to this
  12  * project.
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License as
  16  * published by the Free Software Foundation; either version 2 of
  17  * the License, or (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  27  * MA 02111-1307 USA
  28  */
  29
  30 #include <common.h>
  31 #include <asm/processor.h>
  32 #include <command.h>
  33 #include <malloc.h>
  34 #include <pci.h>
  35 #include <sm501.h>
  36
  37 DECLARE_GLOBAL_DATA_PTR;
  38
  39 #ifdef CONFIG_VIDEO_SM501
  40
  41 #define SWAP32(x)        ((((x) & 0x000000ff) << 24) | (((x) & 0x0000ff00) << 8)|\
  42                           (((x) & 0x00ff0000) >>  8) | (((x) & 0xff000000) >> 24) )
  43
  44 #ifdef CONFIG_VIDEO_SM501_8BPP
  45 #error CONFIG_VIDEO_SM501_8BPP not supported.
  46 #endif /* CONFIG_VIDEO_SM501_8BPP */
  47
  48 #ifdef CONFIG_VIDEO_SM501_16BPP
  49 #define BPP     16
  50
  51 /*
  52  * 800x600 display B084SN03: PCLK = 40MHz
  53  * => 2*PCLK = 80MHz
  54  * 336/4 = 84MHz
  55  * => PCLK = 84MHz
  56  */
  57 static const SMI_REGS init_regs_800x600 [] =
  58 {
  59 #if 1 /* test-only */
  60         {0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */
  61 #else
  62         {0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */
  63 #endif
  64         {0x00004, SWAP32(0x00000000)},
  65         /* clocks for pm1... */
  66         {0x00048, SWAP32(0x00021807)},
  67         {0x0004C, SWAP32(0x221a0a01)},
  68         {0x00054, SWAP32(0x00000001)},
  69         /* clocks for pm0... */
  70         {0x00040, SWAP32(0x00021807)},
  71         {0x00044, SWAP32(0x221a0a01)},
  72         {0x00054, SWAP32(0x00000000)},
  73         /* GPIO */
  74         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
  75         /* panel control regs... */
  76         {0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */
  77         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
  78         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
  79         {0x80010, SWAP32(0x06400640)}, /* panel fb offset/window width */
  80         {0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */
  81         {0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */
  82         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
  83         {0x80020, SWAP32(0x02580320)}, /* panel plane br location */
  84         {0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */
  85         {0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */
  86         {0x8002C, SWAP32(0x02730257)}, /* panel vertical total */
  87         {0x80030, SWAP32(0x00040258)}, /* panel vertical sync */
  88         {0x80200, SWAP32(0x00010000)}, /* crt display control */
  89         {0, 0}
  90 };
  91
  92 /*
  93  * 1024x768 display G150XG02: PCLK = 65MHz
  94  * => 2*PCLK = 130MHz
  95  * 288/2 = 144MHz
  96  * => PCLK = 72MHz
  97  */
  98 static const SMI_REGS init_regs_1024x768 [] =
  99 {
 100         {0x00004, SWAP32(0x00000000)},
 101         /* clocks for pm1... */
 102         {0x00048, SWAP32(0x00021807)},
 103         {0x0004C, SWAP32(0x011a0a01)},
 104         {0x00054, SWAP32(0x00000001)},
 105         /* clocks for pm0... */
 106         {0x00040, SWAP32(0x00021807)},
 107         {0x00044, SWAP32(0x011a0a01)},
 108         {0x00054, SWAP32(0x00000000)},
 109         /* GPIO */
 110         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
 111         /* panel control regs... */
 112         {0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */
 113         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
 114         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
 115         {0x80010, SWAP32(0x08000800)}, /* panel fb offset/window width */
 116         {0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */
 117         {0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */
 118         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
 119         {0x80020, SWAP32(0x03000400)}, /* panel plane br location */
 120         {0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */
 121         {0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */
 122         {0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */
 123         {0x80030, SWAP32(0x00260301)}, /* panel vertical sync */
 124         {0x80200, SWAP32(0x00010000)}, /* crt display control */
 125         {0, 0}
 126 };
 127
 128 #endif /* CONFIG_VIDEO_SM501_16BPP */
 129
 130 #ifdef CONFIG_VIDEO_SM501_32BPP
 131 #define BPP     32
 132
 133 /*
 134  * 800x600 display B084SN03: PCLK = 40MHz
 135  * => 2*PCLK = 80MHz
 136  * 336/4 = 84MHz
 137  * => PCLK = 84MHz
 138  */
 139 static const SMI_REGS init_regs_800x600 [] =
 140 {
 141 #if 0 /* test-only */
 142         {0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */
 143 #else
 144         {0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */
 145 #endif
 146         {0x00004, SWAP32(0x00000000)},
 147         /* clocks for pm1... */
 148         {0x00048, SWAP32(0x00021807)},
 149         {0x0004C, SWAP32(0x221a0a01)},
 150         {0x00054, SWAP32(0x00000001)},
 151         /* clocks for pm0... */
 152         {0x00040, SWAP32(0x00021807)},
 153         {0x00044, SWAP32(0x221a0a01)},
 154         {0x00054, SWAP32(0x00000000)},
 155         /* GPIO */
 156         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
 157         /* panel control regs... */
 158         {0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */
 159         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
 160         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
 161         {0x80010, SWAP32(0x0c800c80)}, /* panel fb offset/window width */
 162         {0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */
 163         {0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */
 164         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
 165         {0x80020, SWAP32(0x02580320)}, /* panel plane br location */
 166         {0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */
 167         {0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */
 168         {0x8002C, SWAP32(0x02730257)}, /* panel vertical total */
 169         {0x80030, SWAP32(0x00040258)}, /* panel vertical sync */
 170         {0x80200, SWAP32(0x00010000)}, /* crt display control */
 171         {0, 0}
 172 };
 173
 174 /*
 175  * 1024x768 display G150XG02: PCLK = 65MHz
 176  * => 2*PCLK = 130MHz
 177  * 288/2 = 144MHz
 178  * => PCLK = 72MHz
 179  */
 180 static const SMI_REGS init_regs_1024x768 [] =
 181 {
 182         {0x00004, SWAP32(0x00000000)},
 183         /* clocks for pm1... */
 184         {0x00048, SWAP32(0x00021807)},
 185         {0x0004C, SWAP32(0x011a0a01)},
 186         {0x00054, SWAP32(0x00000001)},
 187         /* clocks for pm0... */
 188         {0x00040, SWAP32(0x00021807)},
 189         {0x00044, SWAP32(0x011a0a01)},
 190         {0x00054, SWAP32(0x00000000)},
 191         /* GPIO */
 192         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
 193         /* panel control regs... */
 194         {0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */
 195         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
 196         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
 197         {0x80010, SWAP32(0x10001000)}, /* panel fb offset/window width */
 198         {0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */
 199         {0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */
 200         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
 201         {0x80020, SWAP32(0x03000400)}, /* panel plane br location */
 202         {0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */
 203         {0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */
 204         {0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */
 205         {0x80030, SWAP32(0x00260301)}, /* panel vertical sync */
 206         {0x80200, SWAP32(0x00010000)}, /* crt display control */
 207         {0, 0}
 208 };
 209
 210 #endif /* CONFIG_VIDEO_SM501_32BPP */
 211
 212 #endif /* CONFIG_VIDEO_SM501 */
 213
 214 #if 0
 215 #define FPGA_DEBUG
 216 #endif
 217
 218 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 219 extern void lxt971_no_sleep(void);
 220
 221 /* fpga configuration data - gzip compressed and generated by bin2c */
 222 const unsigned char fpgadata[] =
 223 {
 224 #include "fpgadata.c"
 225 };
 226
 227 /*
 228  * include common fpga code (for esd boards)
 229  */
 230 #include "../common/fpga.c"
 231
 232
 233 /* Prototypes */
 234 int gunzip(void *, int, unsigned char *, unsigned long *);
 235
 236
 237 /* logo bitmap data - gzip compressed and generated by bin2c */
 238 unsigned char logo_bmp_320[] =
 239 {
 240 #include "logo_320_240_4bpp.c"
 241 };
 242
 243 unsigned char logo_bmp_320_8bpp[] =
 244 {
 245 #include "logo_320_240_8bpp.c"
 246 };
 247
 248 unsigned char logo_bmp_640[] =
 249 {
 250 #include "logo_640_480_24bpp.c"
 251 };
 252
 253 unsigned char logo_bmp_1024[] =
 254 {
 255 #include "logo_1024_768_8bpp.c"
 256 };
 257
 258
 259 /*
 260  * include common lcd code (for esd boards)
 261  */
 262 #include "../common/lcd.c"
 263
 264 #include "../common/s1d13704_320_240_4bpp.h"
 265 #include "../common/s1d13705_320_240_8bpp.h"
 266 #include "../common/s1d13806_640_480_16bpp.h"
 267 #include "../common/s1d13806_1024_768_8bpp.h"
 268
 269
 270 /*
 271  * include common auto-update code (for esd boards)
 272  */
 273 #include "../common/auto_update.h"
 274
 275 au_image_t au_image[] = {
 276         {"hh405/preinst.img", 0, -1, AU_SCRIPT},
 277         {"hh405/u-boot.img", 0xfff80000, 0x00080000, AU_FIRMWARE},
 278         {"hh405/pImage_${bd_type}", 0x00000000, 0x00100000, AU_NAND},
 279         {"hh405/pImage.initrd", 0x00100000, 0x00200000, AU_NAND},
 280         {"hh405/yaffsmt2.img", 0x00300000, 0x01c00000, AU_NAND},
 281         {"hh405/postinst.img", 0, 0, AU_SCRIPT},
 282 };
 283
 284 int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0]));
 285
 286
 287 /*
 288  * Get version of HH405 board from GPIO's
 289  */
 290 int board_revision(void)
 291 {
 292         unsigned long osrh_reg;
 293         unsigned long isr1h_reg;
 294         unsigned long tcr_reg;
 295         unsigned long value;
 296
 297         /*
 298          * Setup GPIO pins (BLAST/GPIO0 and GPIO9 as GPIO)
 299          */
 300         osrh_reg = in32(GPIO0_OSRH);
 301         isr1h_reg = in32(GPIO0_ISR1H);
 302         tcr_reg = in32(GPIO0_TCR);
 303         out32(GPIO0_OSRH, osrh_reg & ~0xC0003000);     /* output select */
 304         out32(GPIO0_ISR1H, isr1h_reg | 0xC0003000);    /* input select  */
 305         out32(GPIO0_TCR, tcr_reg & ~0x80400000);       /* select input  */
 306
 307         udelay(1000);            /* wait some time before reading input */
 308         value = in32(GPIO0_IR) & 0x80400000;         /* get config bits */
 309
 310         /*
 311          * Restore GPIO settings
 312          */
 313         out32(GPIO0_OSRH, osrh_reg);                   /* output select */
 314         out32(GPIO0_ISR1H, isr1h_reg);                 /* input select  */
 315         out32(GPIO0_TCR, tcr_reg);  /* enable output driver for outputs */
 316
 317         if (value & 0x80000000) {
 318                 /* Revision 1.0 or 1.1 detected */
 319                 return 1;
 320         } else {
 321                 if (value & 0x00400000) {
 322                         /* unused */
 323                         return 3;
 324                 } else {
 325                         return 2;
 326                 }
 327         }
 328 }
 329
 330
 331 int board_early_init_f (void)
 332 {
 333         /*
 334          * IRQ 0-15  405GP internally generated; active high; level sensitive
 335          * IRQ 16    405GP internally generated; active low; level sensitive
 336          * IRQ 17-24 RESERVED
 337          * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
 338          * IRQ 26 (EXT IRQ 1) SER0 ; active low; level sensitive
 339          * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
 340          * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
 341          * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
 342          * IRQ 30 (EXT IRQ 5) PCI INTA; active low; level sensitive
 343          * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
 344          */
 345         mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
 346         mtdcr(uicer, 0x00000000);       /* disable all ints */
 347         mtdcr(uiccr, 0x00000000);       /* set all to be non-critical*/
 348         mtdcr(uicpr, CONFIG_SYS_UIC0_POLARITY);/* set int polarities */
 349         mtdcr(uictr, 0x10000000);       /* set int trigger levels */
 350         mtdcr(uicvcr, 0x00000001);      /* set vect base=0,INT0 highest priority*/
 351         mtdcr(uicsr, 0xFFFFFFFF);       /* clear all ints */
 352
 353         /*
 354          * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
 355          */
 356         mtebc (epcr, 0xa8400000); /* ebc always driven */
 357
 358         return 0;
 359 }
 360
 361 int cf_enable(void)
 362 {
 363         int i;
 364
 365         volatile unsigned short *fpga_ctrl =
 366                 (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL);
 367         volatile unsigned short *fpga_status =
 368                 (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL + 2);
 369
 370         if (gd->board_type >= 2) {
 371                 if (*fpga_status & CONFIG_SYS_FPGA_STATUS_CF_DETECT) {
 372                         if (!(*fpga_ctrl & CONFIG_SYS_FPGA_CTRL_CF_BUS_EN)) {
 373                                 *fpga_ctrl &= ~CONFIG_SYS_FPGA_CTRL_CF_PWRN;
 374
 375                                 for (i=0; i<300; i++)
 376                                         udelay(1000);
 377
 378                                 *fpga_ctrl |= CONFIG_SYS_FPGA_CTRL_CF_BUS_EN;
 379
 380                                 for (i=0; i<20; i++)
 381                                         udelay(1000);
 382                         }
 383                 } else {
 384                         *fpga_ctrl &= ~CONFIG_SYS_FPGA_CTRL_CF_BUS_EN;
 385                         *fpga_ctrl |= CONFIG_SYS_FPGA_CTRL_CF_PWRN;
 386                 }
 387         }
 388
 389         return 0;
 390 }
 391
 392 int misc_init_r (void)
 393 {
 394         volatile unsigned short *fpga_ctrl =
 395                 (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL);
 396         volatile unsigned short *lcd_contrast =
 397                 (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL + 4);
 398         volatile unsigned short *lcd_backlight =
 399                 (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL + 6);
 400         unsigned char *dst;
 401         ulong len = sizeof(fpgadata);
 402         int status;
 403         int index;
 404         int i;
 405         char *str;
 406         unsigned long contrast0 = 0xffffffff;
 407
 408         dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
 409         if (gunzip (dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
 410                 printf ("GUNZIP ERROR - must RESET board to recover\n");
 411                 do_reset (NULL, 0, 0, NULL);
 412         }
 413
 414         status = fpga_boot(dst, len);
 415         if (status != 0) {
 416                 printf("\nFPGA: Booting failed ");
 417                 switch (status) {
 418                 case ERROR_FPGA_PRG_INIT_LOW:
 419                         printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
 420                         break;
 421                 case ERROR_FPGA_PRG_INIT_HIGH:
 422                         printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
 423                         break;
 424                 case ERROR_FPGA_PRG_DONE:
 425                         printf("(Timeout: DONE not high after programming FPGA)\n ");
 426                         break;
 427                 }
 428
 429                 /* display infos on fpgaimage */
 430                 index = 15;
 431                 for (i=0; i<4; i++) {
 432                         len = dst[index];
 433                         printf("FPGA: %s\n", &(dst[index+1]));
 434                         index += len+3;
 435                 }
 436                 putc ('\n');
 437                 /* delayed reboot */
 438                 for (i=20; i>0; i--) {
 439                         printf("Rebooting in %2d seconds \r",i);
 440                         for (index=0;index<1000;index++)
 441                                 udelay(1000);
 442                 }
 443                 putc ('\n');
 444                 do_reset(NULL, 0, 0, NULL);
 445         }
 446
 447         puts("FPGA:  ");
 448
 449         /* display infos on fpgaimage */
 450         index = 15;
 451         for (i=0; i<4; i++) {
 452                 len = dst[index];
 453                 printf("%s ", &(dst[index+1]));
 454                 index += len+3;
 455         }
 456         putc ('\n');
 457
 458         free(dst);
 459
 460         /*
 461          * Reset FPGA via FPGA_INIT pin
 462          */
 463         out32(GPIO0_TCR, in32(GPIO0_TCR) | FPGA_INIT); /* setup FPGA_INIT as output */
 464         out32(GPIO0_OR, in32(GPIO0_OR) & ~FPGA_INIT);  /* reset low */
 465         udelay(1000); /* wait 1ms */
 466         out32(GPIO0_OR, in32(GPIO0_OR) | FPGA_INIT);   /* reset high */
 467         udelay(1000); /* wait 1ms */
 468
 469         /*
 470          * Write Board revision into FPGA
 471          */
 472         *fpga_ctrl |= gd->board_type & 0x0003;
 473
 474         /*
 475          * Setup and enable EEPROM write protection
 476          */
 477         out32(GPIO0_OR, in32(GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
 478
 479         /*
 480          * Reset touch-screen controller
 481          */
 482         out32(GPIO0_OR, in32(GPIO0_OR) & ~CONFIG_SYS_TOUCH_RST);
 483         udelay(1000);
 484         out32(GPIO0_OR, in32(GPIO0_OR) | CONFIG_SYS_TOUCH_RST);
 485
 486         /*
 487          * Enable power on PS/2 interface (with reset)
 488          */
 489         *fpga_ctrl &= ~(CONFIG_SYS_FPGA_CTRL_PS2_PWR);
 490         for (i=0;i<500;i++)
 491                 udelay(1000);
 492         *fpga_ctrl |= (CONFIG_SYS_FPGA_CTRL_PS2_PWR);
 493
 494         /*
 495          * Get contrast value from environment variable
 496          */
 497         str = getenv("contrast0");
 498         if (str) {
 499                 contrast0 = simple_strtol(str, NULL, 16);
 500                 if (contrast0 > 255) {
 501                         printf("ERROR: contrast0 value too high (0x%lx)!\n", contrast0);
 502                         contrast0 = 0xffffffff;
 503                 }
 504         }
 505
 506         /*
 507          * Init lcd interface and display logo
 508          */
 509
 510         str = getenv("bd_type");
 511         if (strcmp(str, "ppc230") == 0) {
 512                 /*
 513                  * Switch backlight on
 514                  */
 515                 *fpga_ctrl |= CONFIG_SYS_FPGA_CTRL_VGA0_BL;
 516                 *lcd_backlight = 0x0000;
 517
 518                 lcd_setup(1, 0);
 519                 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
 520                          regs_13806_1024_768_8bpp,
 521                          sizeof(regs_13806_1024_768_8bpp)/sizeof(regs_13806_1024_768_8bpp[0]),
 522                          logo_bmp_1024, sizeof(logo_bmp_1024));
 523         } else if (strcmp(str, "ppc220") == 0) {
 524                 /*
 525                  * Switch backlight on
 526                  */
 527                 *fpga_ctrl &= ~CONFIG_SYS_FPGA_CTRL_VGA0_BL;
 528                 *lcd_backlight = 0x0000;
 529
 530                 lcd_setup(1, 0);
 531                 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
 532                          regs_13806_640_480_16bpp,
 533                          sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]),
 534                          logo_bmp_640, sizeof(logo_bmp_640));
 535         } else if (strcmp(str, "ppc215") == 0) {
 536                 /*
 537                  * Set default display contrast voltage
 538                  */
 539                 if (contrast0 == 0xffffffff) {
 540                         *lcd_contrast = 0x0082;
 541                 } else {
 542                         *lcd_contrast = contrast0;
 543                 }
 544                 *lcd_backlight = 0xffff;
 545                 /*
 546                  * Switch backlight on
 547                  */
 548                 *fpga_ctrl |= CONFIG_SYS_FPGA_CTRL_VGA0_BL | CONFIG_SYS_FPGA_CTRL_VGA0_BL_MODE;
 549                 /*
 550                  * Set lcd clock (small epson)
 551                  */
 552                 *fpga_ctrl |= LCD_CLK_06250;
 553                 udelay(100);               /* wait for 100 us */
 554
 555                 lcd_setup(0, 1);
 556                 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
 557                          regs_13705_320_240_8bpp,
 558                          sizeof(regs_13705_320_240_8bpp)/sizeof(regs_13705_320_240_8bpp[0]),
 559                          logo_bmp_320_8bpp, sizeof(logo_bmp_320_8bpp));
 560         } else if (strcmp(str, "ppc210") == 0) {
 561                 /*
 562                  * Set default display contrast voltage
 563                  */
 564                 if (contrast0 == 0xffffffff) {
 565                         *lcd_contrast = 0x0060;
 566                 } else {
 567                         *lcd_contrast = contrast0;
 568                 }
 569                 *lcd_backlight = 0xffff;
 570                 /*
 571                  * Switch backlight on
 572                  */
 573                 *fpga_ctrl |= CONFIG_SYS_FPGA_CTRL_VGA0_BL | CONFIG_SYS_FPGA_CTRL_VGA0_BL_MODE;
 574                 /*
 575                  * Set lcd clock (small epson), enable 1-wire interface
 576                  */
 577                 *fpga_ctrl |= LCD_CLK_08330 | CONFIG_SYS_FPGA_CTRL_OW_ENABLE;
 578
 579                 lcd_setup(0, 1);
 580                 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
 581                          regs_13704_320_240_4bpp,
 582                          sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
 583                          logo_bmp_320, sizeof(logo_bmp_320));
 584 #ifdef CONFIG_VIDEO_SM501
 585         } else {
 586                 pci_dev_t devbusfn;
 587
 588                 /*
 589                  * Is SM501 connected (ppc221/ppc231)?
 590                  */
 591                 devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
 592                 if (devbusfn != -1) {
 593                         puts("VGA:   SM501 with 8 MB ");
 594                         if (strcmp(str, "ppc221") == 0) {
 595                                 printf("(800*600, %dbpp)\n", BPP);
 596                                 *lcd_backlight = 0x002d; /* max. allowed brightness */
 597                         } else if (strcmp(str, "ppc231") == 0) {
 598                                 printf("(1024*768, %dbpp)\n", BPP);
 599                                 *lcd_backlight = 0x0000;
 600                         } else {
 601                                 printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
 602                                 return 0;
 603                         }
 604                 } else {
 605                         printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
 606                         return 0;
 607                 }
 608 #endif /* CONFIG_VIDEO_SM501 */
 609         }
 610
 611         cf_enable();
 612
 613         return (0);
 614 }
 615
 616
 617 /*
 618  * Check Board Identity:
 619  */
 620
 621 int checkboard (void)
 622 {
 623         char str[64];
 624         int i = getenv_r ("serial#", str, sizeof(str));
 625
 626         puts ("Board: ");
 627
 628         if (i == -1) {
 629                 puts ("### No HW ID - assuming HH405");
 630         } else {
 631                 puts(str);
 632         }
 633
 634         if (getenv_r("bd_type", str, sizeof(str)) != -1) {
 635                 printf(" (%s", str);
 636         } else {
 637                 puts(" (Missing bd_type!");
 638         }
 639
 640         gd->board_type = board_revision();
 641         printf(", Rev %ld.x)\n", gd->board_type);
 642
 643         return 0;
 644 }
 645
 646 #ifdef CONFIG_IDE_RESET
 647 void ide_set_reset(int on)
 648 {
 649         volatile unsigned short *fpga_mode =
 650                 (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL);
 651         volatile unsigned short *fpga_status =
 652                 (unsigned short *)((ulong)CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL + 2);
 653
 654         if (((gd->board_type >= 2) && (*fpga_status & CONFIG_SYS_FPGA_STATUS_CF_DETECT)) ||
 655             (gd->board_type < 2)) {
 656                 /*
 657                  * Assert or deassert CompactFlash Reset Pin
 658                  */
 659                 if (on) {               /* assert RESET */
 660                         cf_enable();
 661                         *fpga_mode &= ~(CONFIG_SYS_FPGA_CTRL_CF_RESET);
 662                 } else {                /* release RESET */
 663                         *fpga_mode |= CONFIG_SYS_FPGA_CTRL_CF_RESET;
 664                 }
 665         }
 666 }
 667 #endif /* CONFIG_IDE_RESET */
 668
 669
 670 #if defined(CONFIG_SYS_EEPROM_WREN)
 671 /* Input: <dev_addr>  I2C address of EEPROM device to enable.
 672  *         <state>     -1: deliver current state
 673  *                     0: disable write
 674  *                     1: enable write
 675  *  Returns:           -1: wrong device address
 676  *                      0: dis-/en- able done
 677  *                   0/1: current state if <state> was -1.
 678  */
 679 int eeprom_write_enable (unsigned dev_addr, int state)
 680 {
 681         if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) {
 682                 return -1;
 683         } else {
 684                 switch (state) {
 685                 case 1:
 686                         /* Enable write access, clear bit GPIO_SINT2. */
 687                         out32(GPIO0_OR, in32(GPIO0_OR) & ~CONFIG_SYS_EEPROM_WP);
 688                         state = 0;
 689                         break;
 690                 case 0:
 691                         /* Disable write access, set bit GPIO_SINT2. */
 692                         out32(GPIO0_OR, in32(GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
 693                         state = 0;
 694                         break;
 695                 default:
 696                         /* Read current status back. */
 697                         state = (0 == (in32(GPIO0_OR) & CONFIG_SYS_EEPROM_WP));
 698                         break;
 699                 }
 700         }
 701         return state;
 702 }
 703
 704 int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 705 {
 706         int query = argc == 1;
 707         int state = 0;
 708
 709         if (query) {
 710                 /* Query write access state. */
 711                 state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, -1);
 712                 if (state < 0) {
 713                         puts ("Query of write access state failed.\n");
 714                 } else {
 715                         printf ("Write access for device 0x%0x is %sabled.\n",
 716                                 CONFIG_SYS_I2C_EEPROM_ADDR, state ? "en" : "dis");
 717                         state = 0;
 718                 }
 719         } else {
 720                 if ('0' == argv[1][0]) {
 721                         /* Disable write access. */
 722                         state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 0);
 723                 } else {
 724                         /* Enable write access. */
 725                         state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 1);
 726                 }
 727                 if (state < 0) {
 728                         puts ("Setup of write access state failed.\n");
 729                 }
 730         }
 731
 732         return state;
 733 }
 734
 735 U_BOOT_CMD(eepwren,     2,      0,      do_eep_wren,
 736            "eepwren - Enable / disable / query EEPROM write access\n",
 737            NULL);
 738 #endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */
 739
 740
 741 #ifdef CONFIG_VIDEO_SM501
 742 #ifdef CONFIG_CONSOLE_EXTRA_INFO
 743 /*
 744  * Return text to be printed besides the logo.
 745  */
 746 void video_get_info_str (int line_number, char *info)
 747 {
 748         char str[64];
 749         char str2[64];
 750         int i = getenv_r("serial#", str2, sizeof(str));
 751
 752         if (line_number == 1) {
 753                 sprintf(str, " Board: ");
 754
 755                 if (i == -1) {
 756                         strcat(str, "### No HW ID - assuming HH405");
 757                 } else {
 758                         strcat(str, str2);
 759                 }
 760
 761                 if (getenv_r("bd_type", str2, sizeof(str2)) != -1) {
 762                         strcat(str, " (");
 763                         strcat(str, str2);
 764                 } else {
 765                         strcat(str, " (Missing bd_type!");
 766                 }
 767
 768                 sprintf(str2, ", Rev %ld.x)", gd->board_type);
 769                 strcat(str, str2);
 770                 strcpy(info, str);
 771         } else {
 772                 info [0] = '\0';
 773         }
 774 }
 775 #endif /* CONFIG_CONSOLE_EXTRA_INFO */
 776
 777 /*
 778  * Returns SM501 register base address. First thing called in the driver.
 779  */
 780 unsigned int board_video_init (void)
 781 {
 782         pci_dev_t devbusfn;
 783         u32 addr;
 784
 785         /*
 786          * Is SM501 connected (ppc221/ppc231)?
 787          */
 788         devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
 789         if (devbusfn != -1) {
 790                 pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_1, (u32 *)&addr);
 791                 return (addr & 0xfffffffe);
 792         }
 793
 794         return 0;
 795 }
 796
 797 /*
 798  * Returns SM501 framebuffer address
 799  */
 800 unsigned int board_video_get_fb (void)
 801 {
 802         pci_dev_t devbusfn;
 803         u32 addr;
 804
 805         /*
 806          * Is SM501 connected (ppc221/ppc231)?
 807          */
 808         devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
 809         if (devbusfn != -1) {
 810                 pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, (u32 *)&addr);
 811                 addr &= 0xfffffffe;
 812 #ifdef CONFIG_VIDEO_SM501_FBMEM_OFFSET
 813                 addr += CONFIG_VIDEO_SM501_FBMEM_OFFSET;
 814 #endif
 815                 return addr;
 816         }
 817
 818         return 0;
 819 }
 820
 821 /*
 822  * Called after initializing the SM501 and before clearing the screen.
 823  */
 824 void board_validate_screen (unsigned int base)
 825 {
 826 }
 827
 828 /*
 829  * Return a pointer to the initialization sequence.
 830  */
 831 const SMI_REGS *board_get_regs (void)
 832 {
 833         char *str;
 834
 835         str = getenv("bd_type");
 836         if (strcmp(str, "ppc221") == 0) {
 837                 return init_regs_800x600;
 838         } else {
 839                 return init_regs_1024x768;
 840         }
 841 }
 842
 843 int board_get_width (void)
 844 {
 845         char *str;
 846
 847         str = getenv("bd_type");
 848         if (strcmp(str, "ppc221") == 0) {
 849                 return 800;
 850         } else {
 851                 return 1024;
 852         }
 853 }
 854
 855 int board_get_height (void)
 856 {
 857         char *str;
 858
 859         str = getenv("bd_type");
 860         if (strcmp(str, "ppc221") == 0) {
 861                 return 600;
 862         } else {
 863                 return 768;
 864         }
 865 }
 866
 867 #endif /* CONFIG_VIDEO_SM501 */
 868
 869
 870 void reset_phy(void)
 871 {
 872 #ifdef CONFIG_LXT971_NO_SLEEP
 873
 874         /*
 875          * Disable sleep mode in LXT971
 876          */
 877         lxt971_no_sleep();
 878 #endif
 879 }