board/mpl/common/common_util.c

   1 /*
   2  * (C) Copyright 2001
   3  * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  *
  23  */
  24
  25 #include <common.h>
  26 #include <command.h>
  27 #include <video_fb.h>
  28 #include "common_util.h"
  29 #include <asm/processor.h>
  30 #include <asm/byteorder.h>
  31 #include <i2c.h>
  32 #include <devices.h>
  33 #include <pci.h>
  34 #include <malloc.h>
  35 #include <bzlib.h>
  36
  37 #ifdef CONFIG_PIP405
  38 #include "../pip405/pip405.h"
  39 #include <asm/4xx_pci.h>
  40 #endif
  41 #ifdef CONFIG_MIP405
  42 #include "../mip405/mip405.h"
  43 #include <asm/4xx_pci.h>
  44 #endif
  45
  46 DECLARE_GLOBAL_DATA_PTR;
  47
  48 #if defined(CONFIG_PATI)
  49 #define FIRM_START 0xFFF00000
  50 #endif
  51
  52 extern int gunzip(void *, int, uchar *, unsigned long *);
  53 extern int mem_test(ulong start, ulong ramsize, int quiet);
  54
  55 #define I2C_BACKUP_ADDR 0x7C00          /* 0x200 bytes for backup */
  56 #define IMAGE_SIZE CFG_MONITOR_LEN      /* ugly, but it works for now */
  57
  58 extern flash_info_t flash_info[];       /* info for FLASH chips */
  59
  60 static int
  61 mpl_prg(uchar *src, ulong size)
  62 {
  63         ulong start;
  64         flash_info_t *info;
  65         int i, rc;
  66 #if defined(CONFIG_PATI)
  67         int start_sect;
  68 #endif
  69 #if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) || defined(CONFIG_PATI)
  70         char *copystr = (char *)src;
  71         ulong *magic = (ulong *)src;
  72 #endif
  73
  74         info = &flash_info[0];
  75
  76 #if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) || defined(CONFIG_PATI)
  77         if (image_to_cpu (magic[0]) != IH_MAGIC) {
  78                 puts("Bad Magic number\n");
  79                 return -1;
  80         }
  81         /* some more checks before we delete the Flash... */
  82         /* Checking the ISO_STRING prevents to program a
  83          * wrong Firmware Image into the flash.
  84          */
  85         i = 4; /* skip Magic number */
  86         while (1) {
  87                 if (strncmp(&copystr[i], "MEV-", 4) == 0)
  88                         break;
  89                 if (i++ >= 0x100) {
  90                         puts("Firmware Image for unknown Target\n");
  91                         return -1;
  92                 }
  93         }
  94         /* we have the ISO STRING, check */
  95         if (strncmp(&copystr[i], CONFIG_ISO_STRING, sizeof(CONFIG_ISO_STRING)-1) != 0) {
  96                 printf("Wrong Firmware Image: %s\n", &copystr[i]);
  97                 return -1;
  98         }
  99 #if !defined(CONFIG_PATI)
 100         start = 0 - size;
 101         for (i = info->sector_count-1; i > 0; i--) {
 102                 info->protect[i] = 0; /* unprotect this sector */
 103                 if (start >= info->start[i])
 104                         break;
 105         }
 106         /* set-up flash location */
 107         /* now erase flash */
 108         printf("Erasing at %lx (sector %d) (start %lx)\n",
 109                                 start,i,info->start[i]);
 110         if ((rc = flash_erase (info, i, info->sector_count-1)) != 0) {
 111                 puts("ERROR ");
 112                 flash_perror(rc);
 113                 return (1);
 114         }
 115
 116 #else /* #if !defined(CONFIG_PATI */
 117         start = FIRM_START;
 118         start_sect = -1;
 119         for (i = 0; i < info->sector_count; i++) {
 120                 if (start < info->start[i]) {
 121                         start_sect = i - 1;
 122                         break;
 123                 }
 124         }
 125
 126         info->protect[i - 1] = 0;       /* unprotect this sector */
 127         for (; i < info->sector_count; i++) {
 128                 if ((start + size) < info->start[i])
 129                         break;
 130                 info->protect[i] = 0;   /* unprotect this sector */
 131         }
 132
 133         i--;
 134         /* set-up flash location */
 135         /* now erase flash */
 136         printf ("Erasing at %lx to %lx (sector %d to %d) (%lx to %lx)\n",
 137                 start, start + size, start_sect, i,
 138                 info->start[start_sect], info->start[i]);
 139         if ((rc = flash_erase (info, start_sect, i)) != 0) {
 140                 puts ("ERROR ");
 141                 flash_perror (rc);
 142                 return (1);
 143         }
 144 #endif /* defined(CONFIG_PATI) */
 145
 146 #elif defined(CONFIG_VCMA9)
 147         start = 0;
 148         for (i = 0; i <info->sector_count; i++) {
 149                 info->protect[i] = 0; /* unprotect this sector */
 150                 if (size < info->start[i])
 151                     break;
 152         }
 153         /* set-up flash location */
 154         /* now erase flash */
 155         printf("Erasing at %lx (sector %d) (start %lx)\n",
 156                                 start,0,info->start[0]);
 157         if ((rc = flash_erase (info, 0, i)) != 0) {
 158                 puts("ERROR ");
 159                 flash_perror(rc);
 160                 return (1);
 161         }
 162
 163 #endif
 164         printf("flash erased, programming from 0x%lx 0x%lx Bytes\n",
 165                 (ulong)src, size);
 166         if ((rc = flash_write ((char *)src, start, size)) != 0) {
 167                 puts("ERROR ");
 168                 flash_perror(rc);
 169                 return (1);
 170         }
 171         puts("OK programming done\n");
 172         return 0;
 173 }
 174
 175
 176 static int
 177 mpl_prg_image(uchar *ld_addr)
 178 {
 179         unsigned long len;
 180         uchar *data;
 181         image_header_t *hdr = (image_header_t *)ld_addr;
 182         int rc;
 183
 184         if (!image_check_magic (hdr)) {
 185                 puts("Bad Magic Number\n");
 186                 return 1;
 187         }
 188         image_print_contents (hdr);
 189         if (!image_check_os (hdr, IH_OS_U_BOOT)) {
 190                 puts("No U-Boot Image\n");
 191                 return 1;
 192         }
 193         if (!image_check_type (hdr, IH_TYPE_FIRMWARE)) {
 194                 puts("No Firmware Image\n");
 195                 return 1;
 196         }
 197         if (!image_check_hcrc (hdr)) {
 198                 puts("Bad Header Checksum\n");
 199                 return 1;
 200         }
 201         puts("Verifying Checksum ... ");
 202         if (!image_check_dcrc (hdr)) {
 203                 puts("Bad Data CRC\n");
 204                 return 1;
 205         }
 206         puts("OK\n");
 207
 208         data = (uchar *)image_get_data (hdr);
 209         len = image_get_data_size (hdr);
 210
 211         if (image_get_comp (hdr) != IH_COMP_NONE) {
 212                 uchar *buf;
 213                 /* reserve space for uncompressed image */
 214                 if ((buf = malloc(IMAGE_SIZE)) == NULL) {
 215                         puts("Insufficient space for decompression\n");
 216                         return 1;
 217                 }
 218
 219                 switch (image_get_comp (hdr)) {
 220                 case IH_COMP_GZIP:
 221                         puts("Uncompressing (GZIP) ... ");
 222                         rc = gunzip ((void *)(buf), IMAGE_SIZE, data, &len);
 223                         if (rc != 0) {
 224                                 puts("GUNZIP ERROR\n");
 225                                 free(buf);
 226                                 return 1;
 227                         }
 228                         puts("OK\n");
 229                         break;
 230 #ifdef CONFIG_BZIP2
 231                 case IH_COMP_BZIP2:
 232                         puts("Uncompressing (BZIP2) ... ");
 233                         {
 234                         uint retlen = IMAGE_SIZE;
 235                         rc = BZ2_bzBuffToBuffDecompress ((char *)(buf), &retlen,
 236                                 (char *)data, len, 0, 0);
 237                         len = retlen;
 238                         }
 239                         if (rc != BZ_OK) {
 240                                 printf ("BUNZIP2 ERROR: %d\n", rc);
 241                                 free(buf);
 242                                 return 1;
 243                         }
 244                         puts("OK\n");
 245                         break;
 246 #endif
 247                 default:
 248                         printf ("Unimplemented compression type %d\n",
 249                                 image_get_comp (hdr));
 250                         free(buf);
 251                         return 1;
 252                 }
 253
 254                 rc = mpl_prg(buf, len);
 255                 free(buf);
 256         } else {
 257                 rc = mpl_prg(data, len);
 258         }
 259
 260         return(rc);
 261 }
 262
 263 #if !defined(CONFIG_PATI)
 264 void get_backup_values(backup_t *buf)
 265 {
 266         i2c_read(CFG_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)buf,sizeof(backup_t));
 267 }
 268
 269 void set_backup_values(int overwrite)
 270 {
 271         backup_t back;
 272         int i;
 273
 274         get_backup_values(&back);
 275         if(!overwrite) {
 276                 if(strncmp(back.signature,"MPL\0",4)==0) {
 277                         puts("Not possible to write Backup\n");
 278                         return;
 279                 }
 280         }
 281         memcpy(back.signature,"MPL\0",4);
 282         i = getenv_r("serial#",back.serial_name,16);
 283         if(i < 0) {
 284                 puts("Not possible to write Backup\n");
 285                 return;
 286         }
 287         back.serial_name[16]=0;
 288         i = getenv_r("ethaddr",back.eth_addr,20);
 289         if(i < 0) {
 290                 puts("Not possible to write Backup\n");
 291                 return;
 292         }
 293         back.eth_addr[20]=0;
 294         i2c_write(CFG_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
 295 }
 296
 297 void clear_env_values(void)
 298 {
 299         backup_t back;
 300         unsigned char env_crc[4];
 301
 302         memset(&back,0xff,sizeof(backup_t));
 303         memset(env_crc,0x00,4);
 304         i2c_write(CFG_DEF_EEPROM_ADDR,I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
 305         i2c_write(CFG_DEF_EEPROM_ADDR,CFG_ENV_OFFSET,2,(void *)env_crc,4);
 306 }
 307
 308 /*
 309  * check crc of "older" environment
 310  */
 311 int check_env_old_size(ulong oldsize)
 312 {
 313         ulong crc, len, new;
 314         unsigned off;
 315         uchar buf[64];
 316
 317         /* read old CRC */
 318         eeprom_read (CFG_DEF_EEPROM_ADDR,
 319                      CFG_ENV_OFFSET,
 320                      (uchar *)&crc, sizeof(ulong));
 321
 322         new = 0;
 323         len = oldsize;
 324         off = sizeof(long);
 325         len = oldsize-off;
 326         while (len > 0) {
 327                 int n = (len > sizeof(buf)) ? sizeof(buf) : len;
 328
 329                 eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, buf, n);
 330                 new = crc32 (new, buf, n);
 331                 len -= n;
 332                 off += n;
 333         }
 334
 335         return (crc == new);
 336 }
 337
 338 static ulong oldsizes[] = {
 339         0x200,
 340         0x800,
 341         0
 342 };
 343
 344 void copy_old_env(ulong size)
 345 {
 346         uchar name_buf[64];
 347         uchar value_buf[0x800];
 348         uchar c;
 349         ulong len;
 350         unsigned off;
 351         uchar *name, *value;
 352
 353         name=&name_buf[0];
 354         value=&value_buf[0];
 355         len=size;
 356         off = sizeof(long);
 357         while (len > off) {
 358                 eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, &c, 1);
 359                 if(c != '=') {
 360                         *name++=c;
 361                         off++;
 362                 }
 363                 else {
 364                         *name++='\0';
 365                         off++;
 366                         do {
 367                                 eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, &c, 1);
 368                                 *value++=c;
 369                                 off++;
 370                                 if(c == '\0')
 371                                         break;
 372                         } while(len > off);
 373                         name=&name_buf[0];
 374                         value=&value_buf[0];
 375                         if(strncmp((char *)name,"baudrate",8)!=0) {
 376                                 setenv((char *)name,(char *)value);
 377                         }
 378
 379                 }
 380         }
 381 }
 382
 383
 384 void check_env(void)
 385 {
 386         char *s;
 387         int i=0;
 388         char buf[32];
 389         backup_t back;
 390
 391         s=getenv("serial#");
 392         if(!s) {
 393                 while(oldsizes[i]) {
 394                         if(check_env_old_size(oldsizes[i]))
 395                                 break;
 396                         i++;
 397                 }
 398                 if(!oldsizes[i]) {
 399                         /* no old environment has been found */
 400                         get_backup_values (&back);
 401                         if (strncmp (back.signature, "MPL\0", 4) == 0) {
 402                                 sprintf (buf, "%s", back.serial_name);
 403                                 setenv ("serial#", buf);
 404                                 sprintf (buf, "%s", back.eth_addr);
 405                                 setenv ("ethaddr", buf);
 406                                 printf ("INFO:  serial# and ethaddr recovered, use saveenv\n");
 407                                 return;
 408                         }
 409                 }
 410                 else {
 411                         copy_old_env(oldsizes[i]);
 412                         puts("INFO:  old environment ajusted, use saveenv\n");
 413                 }
 414         }
 415         else {
 416                 /* check if back up is set */
 417                 get_backup_values(&back);
 418                 if(strncmp(back.signature,"MPL\0",4)!=0) {
 419                         set_backup_values(0);
 420                 }
 421         }
 422 }
 423
 424
 425 extern device_t *stdio_devices[];
 426 extern char *stdio_names[];
 427
 428 void show_stdio_dev(void)
 429 {
 430         /* Print information */
 431         puts("In:    ");
 432         if (stdio_devices[stdin] == NULL) {
 433                 puts("No input devices available!\n");
 434         } else {
 435                 printf ("%s\n", stdio_devices[stdin]->name);
 436         }
 437
 438         puts("Out:   ");
 439         if (stdio_devices[stdout] == NULL) {
 440                 puts("No output devices available!\n");
 441         } else {
 442                 printf ("%s\n", stdio_devices[stdout]->name);
 443         }
 444
 445         puts("Err:   ");
 446         if (stdio_devices[stderr] == NULL) {
 447                 puts("No error devices available!\n");
 448         } else {
 449                 printf ("%s\n", stdio_devices[stderr]->name);
 450         }
 451 }
 452
 453 #endif /* #if !defined(CONFIG_PATI) */
 454
 455 int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 456 {
 457         ulong size,src,ld_addr;
 458         int result;
 459 #if !defined(CONFIG_PATI)
 460         backup_t back;
 461         src = MULTI_PURPOSE_SOCKET_ADDR;
 462         size = IMAGE_SIZE;
 463 #endif
 464
 465         if (strcmp(argv[1], "flash") == 0)
 466         {
 467 #if defined(CONFIG_CMD_FDC)
 468                 if (strcmp(argv[2], "floppy") == 0) {
 469                         char *local_args[3];
 470                         extern int do_fdcboot (cmd_tbl_t *, int, int, char *[]);
 471                         puts("\nupdating bootloader image from floppy\n");
 472                         local_args[0] = argv[0];
 473                         if(argc==4) {
 474                                 local_args[1] = argv[3];
 475                                 local_args[2] = NULL;
 476                                 ld_addr=simple_strtoul(argv[3], NULL, 16);
 477                                 result=do_fdcboot(cmdtp, 0, 2, local_args);
 478                         }
 479                         else {
 480                                 local_args[1] = NULL;
 481                                 ld_addr=CFG_LOAD_ADDR;
 482                                 result=do_fdcboot(cmdtp, 0, 1, local_args);
 483                         }
 484                         result=mpl_prg_image((uchar *)ld_addr);
 485                         return result;
 486                 }
 487 #endif
 488                 if (strcmp(argv[2], "mem") == 0) {
 489                         if(argc==4) {
 490                                 ld_addr=simple_strtoul(argv[3], NULL, 16);
 491                         }
 492                         else {
 493                                 ld_addr=load_addr;
 494                         }
 495                         printf ("\nupdating bootloader image from memory at %lX\n",ld_addr);
 496                         result=mpl_prg_image((uchar *)ld_addr);
 497                         return result;
 498                 }
 499 #if !defined(CONFIG_PATI)
 500                 if (strcmp(argv[2], "mps") == 0) {
 501                         puts("\nupdating bootloader image from MPS\n");
 502                         result=mpl_prg((uchar *)src,size);
 503                         return result;
 504                 }
 505 #endif /* #if !defined(CONFIG_PATI)     */
 506         }
 507         if (strcmp(argv[1], "mem") == 0)
 508         {
 509                 result=0;
 510                 if(argc==3)
 511                 {
 512                         result = (int)simple_strtol(argv[2], NULL, 16);
 513             }
 514             src=(unsigned long)&result;
 515             src-=CFG_MEMTEST_START;
 516             src-=(100*1024); /* - 100k */
 517             src&=0xfff00000;
 518             size=0;
 519             do {
 520                 size++;
 521                         printf("\n\nPass %ld\n",size);
 522                         mem_test(CFG_MEMTEST_START,src,1);
 523                         if(ctrlc())
 524                                 break;
 525                         if(result>0)
 526                                 result--;
 527
 528                 }while(result);
 529                 return 0;
 530         }
 531 #if !defined(CONFIG_PATI)
 532         if (strcmp(argv[1], "clearenvvalues") == 0)
 533         {
 534                 if (strcmp(argv[2], "yes") == 0)
 535                 {
 536                         clear_env_values();
 537                         return 0;
 538                 }
 539         }
 540         if (strcmp(argv[1], "getback") == 0) {
 541                 get_backup_values(&back);
 542                 back.signature[3]=0;
 543                 back.serial_name[16]=0;
 544                 back.eth_addr[20]=0;
 545                 printf("GetBackUp: signature: %s\n",back.signature);
 546                 printf("           serial#:   %s\n",back.serial_name);
 547                 printf("           ethaddr:   %s\n",back.eth_addr);
 548                 return 0;
 549         }
 550         if (strcmp(argv[1], "setback") == 0) {
 551                 set_backup_values(1);
 552                 return 0;
 553         }
 554 #endif
 555         printf("Usage:\n%s\n", cmdtp->usage);
 556         return 1;
 557 }
 558
 559
 560 #if defined(CONFIG_CMD_DOC)
 561 extern void doc_probe(ulong physadr);
 562 void doc_init (void)
 563 {
 564   doc_probe(MULTI_PURPOSE_SOCKET_ADDR);
 565 }
 566 #endif
 567
 568
 569 #ifdef CONFIG_VIDEO
 570 /******************************************************
 571  * Routines to display the Board information
 572  * to the screen (since the VGA will be initialized as last,
 573  * we must resend the infos)
 574  */
 575
 576 #ifdef CONFIG_CONSOLE_EXTRA_INFO
 577 extern GraphicDevice ctfb;
 578 extern int get_boot_mode(void);
 579
 580 void video_get_info_str (int line_number, char *info)
 581 {
 582         /* init video info strings for graphic console */
 583         PPC4xx_SYS_INFO sys_info;
 584         char rev;
 585         int i,boot;
 586         unsigned long pvr;
 587         char buf[64];
 588         char tmp[16];
 589         char cpustr[16];
 590         char *s, *e, bc;
 591         switch (line_number)
 592         {
 593         case 2:
 594                 /* CPU and board infos */
 595                 pvr=get_pvr();
 596                 get_sys_info (&sys_info);
 597                 switch (pvr) {
 598                         case PVR_405GP_RB: rev='B'; break;
 599                         case PVR_405GP_RC: rev='C'; break;
 600                         case PVR_405GP_RD: rev='D'; break;
 601                         case PVR_405GP_RE: rev='E'; break;
 602                         case PVR_405GPR_RB: rev='B'; break;
 603                         default:           rev='?'; break;
 604                 }
 605                 if(pvr==PVR_405GPR_RB)
 606                         sprintf(cpustr,"PPC405GPr %c",rev);
 607                 else
 608                         sprintf(cpustr,"PPC405GP %c",rev);
 609                 /* Board info */
 610                 i=0;
 611                 s=getenv ("serial#");
 612 #ifdef CONFIG_PIP405
 613                 if (!s || strncmp (s, "PIP405", 6)) {
 614                         sprintf(buf,"### No HW ID - assuming PIP405");
 615                 }
 616 #endif
 617 #ifdef CONFIG_MIP405
 618                 if (!s || strncmp (s, "MIP405", 6)) {
 619                         sprintf(buf,"### No HW ID - assuming MIP405");
 620                 }
 621 #endif
 622                 else {
 623                         for (e = s; *e; ++e) {
 624                                 if (*e == ' ')
 625                                         break;
 626                         }
 627                         for (; s < e; ++s) {
 628                                 if (*s == '_') {
 629                                         ++s;
 630                                         break;
 631                                 }
 632                                 buf[i++]=*s;
 633                         }
 634                         sprintf(&buf[i]," SN ");
 635                         i+=4;
 636                         for (; s < e; ++s) {
 637                                 buf[i++]=*s;
 638                         }
 639                         buf[i++]=0;
 640                 }
 641                 sprintf (info," %s %s %s MHz (%lu/%lu/%lu MHz)",
 642                         buf, cpustr,
 643                         strmhz (tmp, gd->cpu_clk), sys_info.freqPLB / 1000000,
 644                         sys_info.freqPLB / sys_info.pllOpbDiv / 1000000,
 645                         sys_info.freqPLB / sys_info.pllExtBusDiv / 1000000);
 646                 return;
 647         case 3:
 648                 /* Memory Info */
 649                 boot = get_boot_mode();
 650                 bc = in8 (CONFIG_PORT_ADDR);
 651                 sprintf(info, " %luMB RAM, %luMB Flash Cfg 0x%02X %s %s",
 652                         gd->bd->bi_memsize / 0x100000,
 653                         gd->bd->bi_flashsize / 0x100000,
 654                         bc,
 655                         (boot & BOOT_MPS) ? "MPS boot" : "Flash boot",
 656                         ctfb.modeIdent);
 657                 return;
 658         case 1:
 659                 sprintf (buf, "%s",CONFIG_IDENT_STRING);
 660                 sprintf (info, " %s", &buf[1]);
 661                 return;
 662     }
 663     /* no more info lines */
 664     *info = 0;
 665     return;
 666 }
 667 #endif /* CONFIG_CONSOLE_EXTRA_INFO */
 668
 669 #endif /* CONFIG_VIDEO */