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  * SPDX-License-Identifier:     GPL-2.0+
  12  */
  13
  14 #include <common.h>
  15 #include <asm/processor.h>
  16 #include <asm/io.h>
  17 #include <command.h>
  18 #include <malloc.h>
  19 #include <pci.h>
  20 #include <sm501.h>
  21
  22 DECLARE_GLOBAL_DATA_PTR;
  23
  24 /* FPGA internal regs */
  25 #define FPGA_CTRL       ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x000))
  26 #define FPGA_STATUS     ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x002))
  27 #define FPGA_CTR        ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x004))
  28 #define FPGA_BL         ((u16 *)(CONFIG_SYS_FPGA_BASE_ADDR + 0x006))
  29
  30 /* FPGA Control Reg */
  31 #define FPGA_CTRL_REV0      0x0001
  32 #define FPGA_CTRL_REV1      0x0002
  33 #define FPGA_CTRL_VGA0_BL   0x0004
  34 #define FPGA_CTRL_VGA0_BL_MODE 0x0008
  35 #define FPGA_CTRL_CF_RESET  0x0040
  36 #define FPGA_CTRL_PS2_PWR   0x0080
  37 #define FPGA_CTRL_CF_PWRN   0x0100      /* low active */
  38 #define FPGA_CTRL_CF_BUS_EN 0x0200
  39 #define FPGA_CTRL_LCD_CLK   0x7000      /* mask for lcd clock */
  40 #define FPGA_CTRL_OW_ENABLE 0x8000
  41
  42 #define FPGA_STATUS_CF_DETECT 0x8000
  43
  44 #ifdef CONFIG_VIDEO_SM501
  45
  46 #define SWAP32(x)        ((((x) & 0x000000ff) << 24) | (((x) & 0x0000ff00) << 8)|\
  47                           (((x) & 0x00ff0000) >>  8) | (((x) & 0xff000000) >> 24) )
  48
  49 #ifdef CONFIG_VIDEO_SM501_8BPP
  50 #error CONFIG_VIDEO_SM501_8BPP not supported.
  51 #endif /* CONFIG_VIDEO_SM501_8BPP */
  52
  53 #ifdef CONFIG_VIDEO_SM501_16BPP
  54 #define BPP     16
  55
  56 /*
  57  * 800x600 display B084SN03: PCLK = 40MHz
  58  * => 2*PCLK = 80MHz
  59  * 336/4 = 84MHz
  60  * => PCLK = 84MHz
  61  */
  62 static const SMI_REGS init_regs_800x600 [] =
  63 {
  64 #if 1 /* test-only */
  65         {0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */
  66 #else
  67         {0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */
  68 #endif
  69         {0x00004, SWAP32(0x00000000)},
  70         /* clocks for pm1... */
  71         {0x00048, SWAP32(0x00021807)},
  72         {0x0004C, SWAP32(0x221a0a01)},
  73         {0x00054, SWAP32(0x00000001)},
  74         /* clocks for pm0... */
  75         {0x00040, SWAP32(0x00021807)},
  76         {0x00044, SWAP32(0x221a0a01)},
  77         {0x00054, SWAP32(0x00000000)},
  78         /* GPIO */
  79         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
  80         /* panel control regs... */
  81         {0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */
  82         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
  83         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
  84         {0x80010, SWAP32(0x06400640)}, /* panel fb offset/window width */
  85         {0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */
  86         {0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */
  87         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
  88         {0x80020, SWAP32(0x02580320)}, /* panel plane br location */
  89         {0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */
  90         {0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */
  91         {0x8002C, SWAP32(0x02730257)}, /* panel vertical total */
  92         {0x80030, SWAP32(0x00040258)}, /* panel vertical sync */
  93         {0x80200, SWAP32(0x00010000)}, /* crt display control */
  94         {0, 0}
  95 };
  96
  97 /*
  98  * 1024x768 display G150XG02: PCLK = 65MHz
  99  * => 2*PCLK = 130MHz
 100  * 288/2 = 144MHz
 101  * => PCLK = 72MHz
 102  */
 103 static const SMI_REGS init_regs_1024x768 [] =
 104 {
 105         {0x00004, SWAP32(0x00000000)},
 106         /* clocks for pm1... */
 107         {0x00048, SWAP32(0x00021807)},
 108         {0x0004C, SWAP32(0x011a0a01)},
 109         {0x00054, SWAP32(0x00000001)},
 110         /* clocks for pm0... */
 111         {0x00040, SWAP32(0x00021807)},
 112         {0x00044, SWAP32(0x011a0a01)},
 113         {0x00054, SWAP32(0x00000000)},
 114         /* GPIO */
 115         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
 116         /* panel control regs... */
 117         {0x80000, SWAP32(0x0f013105)}, /* panel display control: 16-bit RGB 5:6:5 mode */
 118         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
 119         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
 120         {0x80010, SWAP32(0x08000800)}, /* panel fb offset/window width */
 121         {0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */
 122         {0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */
 123         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
 124         {0x80020, SWAP32(0x03000400)}, /* panel plane br location */
 125         {0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */
 126         {0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */
 127         {0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */
 128         {0x80030, SWAP32(0x00260301)}, /* panel vertical sync */
 129         {0x80200, SWAP32(0x00010000)}, /* crt display control */
 130         {0, 0}
 131 };
 132
 133 #endif /* CONFIG_VIDEO_SM501_16BPP */
 134
 135 #ifdef CONFIG_VIDEO_SM501_32BPP
 136 #define BPP     32
 137
 138 /*
 139  * 800x600 display B084SN03: PCLK = 40MHz
 140  * => 2*PCLK = 80MHz
 141  * 336/4 = 84MHz
 142  * => PCLK = 84MHz
 143  */
 144 static const SMI_REGS init_regs_800x600 [] =
 145 {
 146 #if 0 /* test-only */
 147         {0x0005c, SWAP32(0xffffffff)}, /* set endianess to big endian */
 148 #else
 149         {0x0005c, SWAP32(0x00000000)}, /* set endianess to little endian */
 150 #endif
 151         {0x00004, SWAP32(0x00000000)},
 152         /* clocks for pm1... */
 153         {0x00048, SWAP32(0x00021807)},
 154         {0x0004C, SWAP32(0x221a0a01)},
 155         {0x00054, SWAP32(0x00000001)},
 156         /* clocks for pm0... */
 157         {0x00040, SWAP32(0x00021807)},
 158         {0x00044, SWAP32(0x221a0a01)},
 159         {0x00054, SWAP32(0x00000000)},
 160         /* GPIO */
 161         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
 162         /* panel control regs... */
 163         {0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */
 164         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
 165         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
 166         {0x80010, SWAP32(0x0c800c80)}, /* panel fb offset/window width */
 167         {0x80014, SWAP32(0x03200000)}, /* panel fb width (0x320=800) */
 168         {0x80018, SWAP32(0x02580000)}, /* panel fb height (0x258=600) */
 169         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
 170         {0x80020, SWAP32(0x02580320)}, /* panel plane br location */
 171         {0x80024, SWAP32(0x041f031f)}, /* panel horizontal total */
 172         {0x80028, SWAP32(0x00800347)}, /* panel horizontal sync */
 173         {0x8002C, SWAP32(0x02730257)}, /* panel vertical total */
 174         {0x80030, SWAP32(0x00040258)}, /* panel vertical sync */
 175         {0x80200, SWAP32(0x00010000)}, /* crt display control */
 176         {0, 0}
 177 };
 178
 179 /*
 180  * 1024x768 display G150XG02: PCLK = 65MHz
 181  * => 2*PCLK = 130MHz
 182  * 288/2 = 144MHz
 183  * => PCLK = 72MHz
 184  */
 185 static const SMI_REGS init_regs_1024x768 [] =
 186 {
 187         {0x00004, SWAP32(0x00000000)},
 188         /* clocks for pm1... */
 189         {0x00048, SWAP32(0x00021807)},
 190         {0x0004C, SWAP32(0x011a0a01)},
 191         {0x00054, SWAP32(0x00000001)},
 192         /* clocks for pm0... */
 193         {0x00040, SWAP32(0x00021807)},
 194         {0x00044, SWAP32(0x011a0a01)},
 195         {0x00054, SWAP32(0x00000000)},
 196         /* GPIO */
 197         {0x1000c, SWAP32(0xfffffff0)}, /* GPIO32..63 direction */
 198         /* panel control regs... */
 199         {0x80000, SWAP32(0x0f013106)}, /* panel display control: 32-bit RGB 8:8:8 mode */
 200         {0x80004, SWAP32(0xc428bb17)}, /* panel panning control ??? */
 201         {0x8000C, SWAP32(0x00010000)}, /* panel fb address */
 202         {0x80010, SWAP32(0x10001000)}, /* panel fb offset/window width */
 203         {0x80014, SWAP32(0x04000000)}, /* panel fb width (0x400=1024) */
 204         {0x80018, SWAP32(0x03000000)}, /* panel fb height (0x300=768) */
 205         {0x8001C, SWAP32(0x00000000)}, /* panel plane tl location */
 206         {0x80020, SWAP32(0x03000400)}, /* panel plane br location */
 207         {0x80024, SWAP32(0x053f03ff)}, /* panel horizontal total */
 208         {0x80028, SWAP32(0x0140040f)}, /* panel horizontal sync */
 209         {0x8002C, SWAP32(0x032502ff)}, /* panel vertical total */
 210         {0x80030, SWAP32(0x00260301)}, /* panel vertical sync */
 211         {0x80200, SWAP32(0x00010000)}, /* crt display control */
 212         {0, 0}
 213 };
 214
 215 #endif /* CONFIG_VIDEO_SM501_32BPP */
 216
 217 #endif /* CONFIG_VIDEO_SM501 */
 218
 219 #if 0
 220 #define FPGA_DEBUG
 221 #endif
 222
 223 extern void lxt971_no_sleep(void);
 224
 225 /* fpga configuration data - gzip compressed and generated by bin2c */
 226 const unsigned char fpgadata[] =
 227 {
 228 #include "fpgadata.c"
 229 };
 230
 231 /*
 232  * include common fpga code (for esd boards)
 233  */
 234 #include "../common/fpga.c"
 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 = in_be32((void *)GPIO0_OSRH);
 301         isr1h_reg = in_be32((void *)GPIO0_ISR1H);
 302         tcr_reg = in_be32((void *)GPIO0_TCR);
 303         out_be32((void *)GPIO0_OSRH, osrh_reg & ~0xC0003000);     /* output select */
 304         out_be32((void *)GPIO0_ISR1H, isr1h_reg | 0xC0003000);    /* input select  */
 305         out_be32((void *)GPIO0_TCR, tcr_reg & ~0x80400000);       /* select input  */
 306
 307         udelay(1000);            /* wait some time before reading input */
 308         value = in_be32((void *)GPIO0_IR) & 0x80400000;         /* get config bits */
 309
 310         /*
 311          * Restore GPIO settings
 312          */
 313         out_be32((void *)GPIO0_OSRH, osrh_reg);                   /* output select */
 314         out_be32((void *)GPIO0_ISR1H, isr1h_reg);                 /* input select  */
 315         out_be32((void *)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(UIC0SR, 0xFFFFFFFF);       /* clear all ints */
 346         mtdcr(UIC0ER, 0x00000000);       /* disable all ints */
 347         mtdcr(UIC0CR, 0x00000000);       /* set all to be non-critical*/
 348         mtdcr(UIC0PR, CONFIG_SYS_UIC0_POLARITY);/* set int polarities */
 349         mtdcr(UIC0TR, 0x10000000);       /* set int trigger levels */
 350         mtdcr(UIC0VCR, 0x00000001);      /* set vect base=0,INT0 highest priority*/
 351         mtdcr(UIC0SR, 0xFFFFFFFF);       /* clear all ints */
 352
 353         /*
 354          * EBC Configuration Register: set ready timeout to 512 ebc-clks -> ca. 15 us
 355          */
 356         mtebc(EBC0_CFG, 0xa8400000); /* ebc always driven */
 357
 358         return 0;
 359 }
 360
 361 int cf_enable(void)
 362 {
 363         int i;
 364
 365         if (gd->board_type >= 2) {
 366                 if (in_be16(FPGA_STATUS) & FPGA_STATUS_CF_DETECT) {
 367                         if (!(in_be16(FPGA_CTRL) & FPGA_CTRL_CF_BUS_EN)) {
 368                                 out_be16(FPGA_CTRL,
 369                                          in_be16(FPGA_CTRL) & ~FPGA_CTRL_CF_PWRN);
 370
 371                                 for (i=0; i<300; i++)
 372                                         udelay(1000);
 373
 374                                 out_be16(FPGA_CTRL,
 375                                          in_be16(FPGA_CTRL) | FPGA_CTRL_CF_BUS_EN);
 376
 377                                 for (i=0; i<20; i++)
 378                                         udelay(1000);
 379                         }
 380                 } else {
 381                         out_be16(FPGA_CTRL,
 382                                  in_be16(FPGA_CTRL) & ~FPGA_CTRL_CF_BUS_EN);
 383                         out_be16(FPGA_CTRL,
 384                                  in_be16(FPGA_CTRL) | FPGA_CTRL_CF_PWRN);
 385                 }
 386         }
 387
 388         return 0;
 389 }
 390
 391 int misc_init_r (void)
 392 {
 393         unsigned char *dst;
 394         ulong len = sizeof(fpgadata);
 395         int status;
 396         int index;
 397         int i;
 398         char *str;
 399         unsigned long contrast0 = 0xffffffff;
 400
 401         dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE);
 402         if (gunzip (dst, CONFIG_SYS_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
 403                 printf ("GUNZIP ERROR - must RESET board to recover\n");
 404                 do_reset (NULL, 0, 0, NULL);
 405         }
 406
 407         status = fpga_boot(dst, len);
 408         if (status != 0) {
 409                 printf("\nFPGA: Booting failed ");
 410                 switch (status) {
 411                 case ERROR_FPGA_PRG_INIT_LOW:
 412                         printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
 413                         break;
 414                 case ERROR_FPGA_PRG_INIT_HIGH:
 415                         printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
 416                         break;
 417                 case ERROR_FPGA_PRG_DONE:
 418                         printf("(Timeout: DONE not high after programming FPGA)\n ");
 419                         break;
 420                 }
 421
 422                 /* display infos on fpgaimage */
 423                 index = 15;
 424                 for (i=0; i<4; i++) {
 425                         len = dst[index];
 426                         printf("FPGA: %s\n", &(dst[index+1]));
 427                         index += len+3;
 428                 }
 429                 putc ('\n');
 430                 /* delayed reboot */
 431                 for (i=20; i>0; i--) {
 432                         printf("Rebooting in %2d seconds \r",i);
 433                         for (index=0;index<1000;index++)
 434                                 udelay(1000);
 435                 }
 436                 putc ('\n');
 437                 do_reset(NULL, 0, 0, NULL);
 438         }
 439
 440         puts("FPGA:  ");
 441
 442         /* display infos on fpgaimage */
 443         index = 15;
 444         for (i=0; i<4; i++) {
 445                 len = dst[index];
 446                 printf("%s ", &(dst[index+1]));
 447                 index += len+3;
 448         }
 449         putc ('\n');
 450
 451         free(dst);
 452
 453         /*
 454          * Reset FPGA via FPGA_INIT pin
 455          */
 456         /* setup FPGA_INIT as output */
 457         out_be32((void *)GPIO0_TCR,
 458                  in_be32((void *)GPIO0_TCR) | FPGA_INIT);
 459         out_be32((void *)GPIO0_OR,
 460                  in_be32((void *)GPIO0_OR) & ~FPGA_INIT);  /* reset low */
 461         udelay(1000); /* wait 1ms */
 462         out_be32((void *)GPIO0_OR,
 463                  in_be32((void *)GPIO0_OR) | FPGA_INIT);   /* reset high */
 464         udelay(1000); /* wait 1ms */
 465
 466         /*
 467          * Write Board revision into FPGA
 468          */
 469         out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | (gd->board_type & 0x0003));
 470
 471         /*
 472          * Setup and enable EEPROM write protection
 473          */
 474         out_be32((void *)GPIO0_OR,
 475                  in_be32((void *)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
 476
 477         /*
 478          * Reset touch-screen controller
 479          */
 480         out_be32((void *)GPIO0_OR,
 481                  in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_TOUCH_RST);
 482         udelay(1000);
 483         out_be32((void *)GPIO0_OR,
 484                  in_be32((void *)GPIO0_OR) | CONFIG_SYS_TOUCH_RST);
 485
 486         /*
 487          * Enable power on PS/2 interface (with reset)
 488          */
 489         out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) & ~FPGA_CTRL_PS2_PWR);
 490         for (i=0;i<500;i++)
 491                 udelay(1000);
 492         out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | 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",
 502                                contrast0);
 503                         contrast0 = 0xffffffff;
 504                 }
 505         }
 506
 507         /*
 508          * Init lcd interface and display logo
 509          */
 510
 511         str = getenv("bd_type");
 512         if (strcmp(str, "ppc230") == 0) {
 513                 /*
 514                  * Switch backlight on
 515                  */
 516                 out_be16(FPGA_CTRL,
 517                          in_be16(FPGA_CTRL) | FPGA_CTRL_VGA0_BL);
 518                 out_be16(FPGA_BL, 0x0000);
 519
 520                 lcd_setup(1, 0);
 521                 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
 522                          regs_13806_1024_768_8bpp,
 523                          sizeof(regs_13806_1024_768_8bpp)/sizeof(regs_13806_1024_768_8bpp[0]),
 524                          logo_bmp_1024, sizeof(logo_bmp_1024));
 525         } else if (strcmp(str, "ppc220") == 0) {
 526                 /*
 527                  * Switch backlight on
 528                  */
 529                 out_be16(FPGA_CTRL,
 530                          in_be16(FPGA_CTRL) & ~FPGA_CTRL_VGA0_BL);
 531                 out_be16(FPGA_BL, 0x0000);
 532
 533                 lcd_setup(1, 0);
 534                 lcd_init((uchar *)CONFIG_SYS_LCD_BIG_REG, (uchar *)CONFIG_SYS_LCD_BIG_MEM,
 535                          regs_13806_640_480_16bpp,
 536                          sizeof(regs_13806_640_480_16bpp)/sizeof(regs_13806_640_480_16bpp[0]),
 537                          logo_bmp_640, sizeof(logo_bmp_640));
 538         } else if (strcmp(str, "ppc215") == 0) {
 539                 /*
 540                  * Set default display contrast voltage
 541                  */
 542                 if (contrast0 == 0xffffffff) {
 543                         out_be16(FPGA_CTR, 0x0082);
 544                 } else {
 545                         out_be16(FPGA_CTR, contrast0);
 546                 }
 547                 out_be16(FPGA_BL, 0xffff);
 548                 /*
 549                  * Switch backlight on
 550                  */
 551                 out_be16(FPGA_CTRL,
 552                          in_be16(FPGA_CTRL) |
 553                          FPGA_CTRL_VGA0_BL |
 554                          FPGA_CTRL_VGA0_BL_MODE);
 555                 /*
 556                  * Set lcd clock (small epson)
 557                  */
 558                 out_be16(FPGA_CTRL, in_be16(FPGA_CTRL) | LCD_CLK_06250);
 559                 udelay(100);               /* wait for 100 us */
 560
 561                 lcd_setup(0, 1);
 562                 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
 563                          regs_13705_320_240_8bpp,
 564                          sizeof(regs_13705_320_240_8bpp)/sizeof(regs_13705_320_240_8bpp[0]),
 565                          logo_bmp_320_8bpp, sizeof(logo_bmp_320_8bpp));
 566         } else if (strcmp(str, "ppc210") == 0) {
 567                 /*
 568                  * Set default display contrast voltage
 569                  */
 570                 if (contrast0 == 0xffffffff) {
 571                         out_be16(FPGA_CTR, 0x0060);
 572                 } else {
 573                         out_be16(FPGA_CTR, contrast0);
 574                 }
 575                 out_be16(FPGA_BL, 0xffff);
 576                 /*
 577                  * Switch backlight on
 578                  */
 579                 out_be16(FPGA_CTRL,
 580                          in_be16(FPGA_CTRL) |
 581                          FPGA_CTRL_VGA0_BL |
 582                          FPGA_CTRL_VGA0_BL_MODE);
 583                 /*
 584                  * Set lcd clock (small epson), enable 1-wire interface
 585                  */
 586                 out_be16(FPGA_CTRL,
 587                          in_be16(FPGA_CTRL) |
 588                          LCD_CLK_08330 |
 589                          FPGA_CTRL_OW_ENABLE);
 590
 591                 lcd_setup(0, 1);
 592                 lcd_init((uchar *)CONFIG_SYS_LCD_SMALL_REG, (uchar *)CONFIG_SYS_LCD_SMALL_MEM,
 593                          regs_13704_320_240_4bpp,
 594                          sizeof(regs_13704_320_240_4bpp)/sizeof(regs_13704_320_240_4bpp[0]),
 595                          logo_bmp_320, sizeof(logo_bmp_320));
 596 #ifdef CONFIG_VIDEO_SM501
 597         } else {
 598                 pci_dev_t devbusfn;
 599
 600                 /*
 601                  * Is SM501 connected (ppc221/ppc231)?
 602                  */
 603                 devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
 604                 if (devbusfn != -1) {
 605                         puts("VGA:   SM501 with 8 MB ");
 606                         if (strcmp(str, "ppc221") == 0) {
 607                                 printf("(800*600, %dbpp)\n", BPP);
 608                                 out_be16(FPGA_BL, 0x002d); /* max. allowed brightness */
 609                         } else if (strcmp(str, "ppc231") == 0) {
 610                                 printf("(1024*768, %dbpp)\n", BPP);
 611                                 out_be16(FPGA_BL, 0x0000);
 612                         } else {
 613                                 printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
 614                                 return 0;
 615                         }
 616                 } else {
 617                         printf("Unsupported bd_type defined (%s) -> No display configured!\n", str);
 618                         return 0;
 619                 }
 620 #endif /* CONFIG_VIDEO_SM501 */
 621         }
 622
 623         cf_enable();
 624
 625         return (0);
 626 }
 627
 628
 629 /*
 630  * Check Board Identity:
 631  */
 632
 633 int checkboard (void)
 634 {
 635         char str[64];
 636         int i = getenv_f("serial#", str, sizeof(str));
 637
 638         puts ("Board: ");
 639
 640         if (i == -1) {
 641                 puts ("### No HW ID - assuming HH405");
 642         } else {
 643                 puts(str);
 644         }
 645
 646         if (getenv_f("bd_type", str, sizeof(str)) != -1) {
 647                 printf(" (%s", str);
 648         } else {
 649                 puts(" (Missing bd_type!");
 650         }
 651
 652         gd->board_type = board_revision();
 653         printf(", Rev %ld.x)\n", gd->board_type);
 654
 655         return 0;
 656 }
 657
 658 #ifdef CONFIG_IDE_RESET
 659 void ide_set_reset(int on)
 660 {
 661         if (((gd->board_type >= 2) &&
 662              (in_be16(FPGA_STATUS) & FPGA_STATUS_CF_DETECT)) ||
 663             (gd->board_type < 2)) {
 664                 /*
 665                  * Assert or deassert CompactFlash Reset Pin
 666                  */
 667                 if (on) {               /* assert RESET */
 668                         cf_enable();
 669                         out_be16(FPGA_CTRL,
 670                                  in_be16(FPGA_CTRL) &
 671                                  ~FPGA_CTRL_CF_RESET);
 672                 } else {                /* release RESET */
 673                         out_be16(FPGA_CTRL,
 674                                  in_be16(FPGA_CTRL) |
 675                                  FPGA_CTRL_CF_RESET);
 676                 }
 677         }
 678 }
 679 #endif /* CONFIG_IDE_RESET */
 680
 681
 682 #if defined(CONFIG_SYS_EEPROM_WREN)
 683 /* Input: <dev_addr>  I2C address of EEPROM device to enable.
 684  *         <state>     -1: deliver current state
 685  *                     0: disable write
 686  *                     1: enable write
 687  *  Returns:           -1: wrong device address
 688  *                      0: dis-/en- able done
 689  *                   0/1: current state if <state> was -1.
 690  */
 691 int eeprom_write_enable (unsigned dev_addr, int state)
 692 {
 693         if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) {
 694                 return -1;
 695         } else {
 696                 switch (state) {
 697                 case 1:
 698                         /* Enable write access, clear bit GPIO_SINT2. */
 699                         out_be32((void *)GPIO0_OR,
 700                                  in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_EEPROM_WP);
 701                         state = 0;
 702                         break;
 703                 case 0:
 704                         /* Disable write access, set bit GPIO_SINT2. */
 705                         out_be32((void *)GPIO0_OR,
 706                                  in_be32((void *)GPIO0_OR) | CONFIG_SYS_EEPROM_WP);
 707                         state = 0;
 708                         break;
 709                 default:
 710                         /* Read current status back. */
 711                         state = (0 == (in_be32((void *)GPIO0_OR) &
 712                                        CONFIG_SYS_EEPROM_WP));
 713                         break;
 714                 }
 715         }
 716         return state;
 717 }
 718
 719 int do_eep_wren (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 720 {
 721         int query = argc == 1;
 722         int state = 0;
 723
 724         if (query) {
 725                 /* Query write access state. */
 726                 state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, -1);
 727                 if (state < 0) {
 728                         puts ("Query of write access state failed.\n");
 729                 } else {
 730                         printf ("Write access for device 0x%0x is %sabled.\n",
 731                                 CONFIG_SYS_I2C_EEPROM_ADDR, state ? "en" : "dis");
 732                         state = 0;
 733                 }
 734         } else {
 735                 if ('0' == argv[1][0]) {
 736                         /* Disable write access. */
 737                         state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 0);
 738                 } else {
 739                         /* Enable write access. */
 740                         state = eeprom_write_enable (CONFIG_SYS_I2C_EEPROM_ADDR, 1);
 741                 }
 742                 if (state < 0) {
 743                         puts ("Setup of write access state failed.\n");
 744                 }
 745         }
 746
 747         return state;
 748 }
 749
 750 U_BOOT_CMD(eepwren,     2,      0,      do_eep_wren,
 751         "Enable / disable / query EEPROM write access",
 752         ""
 753 );
 754 #endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */
 755
 756
 757 #ifdef CONFIG_VIDEO_SM501
 758 #ifdef CONFIG_CONSOLE_EXTRA_INFO
 759 /*
 760  * Return text to be printed besides the logo.
 761  */
 762 void video_get_info_str (int line_number, char *info)
 763 {
 764         char str[64];
 765         char str2[64];
 766         int i = getenv_f("serial#", str2, sizeof(str));
 767
 768         if (line_number == 1) {
 769                 sprintf(str, " Board: ");
 770
 771                 if (i == -1) {
 772                         strcat(str, "### No HW ID - assuming HH405");
 773                 } else {
 774                         strcat(str, str2);
 775                 }
 776
 777                 if (getenv_f("bd_type", str2, sizeof(str2)) != -1) {
 778                         strcat(str, " (");
 779                         strcat(str, str2);
 780                 } else {
 781                         strcat(str, " (Missing bd_type!");
 782                 }
 783
 784                 sprintf(str2, ", Rev %ld.x)", gd->board_type);
 785                 strcat(str, str2);
 786                 strcpy(info, str);
 787         } else {
 788                 info [0] = '\0';
 789         }
 790 }
 791 #endif /* CONFIG_CONSOLE_EXTRA_INFO */
 792
 793 /*
 794  * Returns SM501 register base address. First thing called in the driver.
 795  */
 796 unsigned int board_video_init (void)
 797 {
 798         pci_dev_t devbusfn;
 799         u32 addr;
 800
 801         /*
 802          * Is SM501 connected (ppc221/ppc231)?
 803          */
 804         devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
 805         if (devbusfn != -1) {
 806                 pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_1, (u32 *)&addr);
 807                 return (addr & 0xfffffffe);
 808         }
 809
 810         return 0;
 811 }
 812
 813 /*
 814  * Returns SM501 framebuffer address
 815  */
 816 unsigned int board_video_get_fb (void)
 817 {
 818         pci_dev_t devbusfn;
 819         u32 addr;
 820
 821         /*
 822          * Is SM501 connected (ppc221/ppc231)?
 823          */
 824         devbusfn = pci_find_device(PCI_VENDOR_SM, PCI_DEVICE_SM501, 0);
 825         if (devbusfn != -1) {
 826                 pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, (u32 *)&addr);
 827                 addr &= 0xfffffffe;
 828 #ifdef CONFIG_VIDEO_SM501_FBMEM_OFFSET
 829                 addr += CONFIG_VIDEO_SM501_FBMEM_OFFSET;
 830 #endif
 831                 return addr;
 832         }
 833
 834         return 0;
 835 }
 836
 837 /*
 838  * Called after initializing the SM501 and before clearing the screen.
 839  */
 840 void board_validate_screen (unsigned int base)
 841 {
 842 }
 843
 844 /*
 845  * Return a pointer to the initialization sequence.
 846  */
 847 const SMI_REGS *board_get_regs (void)
 848 {
 849         char *str;
 850
 851         str = getenv("bd_type");
 852         if (strcmp(str, "ppc221") == 0) {
 853                 return init_regs_800x600;
 854         } else {
 855                 return init_regs_1024x768;
 856         }
 857 }
 858
 859 int board_get_width (void)
 860 {
 861         char *str;
 862
 863         str = getenv("bd_type");
 864         if (strcmp(str, "ppc221") == 0) {
 865                 return 800;
 866         } else {
 867                 return 1024;
 868         }
 869 }
 870
 871 int board_get_height (void)
 872 {
 873         char *str;
 874
 875         str = getenv("bd_type");
 876         if (strcmp(str, "ppc221") == 0) {
 877                 return 600;
 878         } else {
 879                 return 768;
 880         }
 881 }
 882
 883 #endif /* CONFIG_VIDEO_SM501 */
 884
 885
 886 void reset_phy(void)
 887 {
 888 #ifdef CONFIG_LXT971_NO_SLEEP
 889
 890         /*
 891          * Disable sleep mode in LXT971
 892          */
 893         lxt971_no_sleep();
 894 #endif
 895 }