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 <pci.h>
  33 #include <malloc.h>
  34 #include <bzlib.h>
  35
  36 #ifdef CONFIG_PIP405
  37 #include "../pip405/pip405.h"
  38 #include <asm/4xx_pci.h>
  39 #endif
  40 #ifdef CONFIG_MIP405
  41 #include "../mip405/mip405.h"
  42 #include <asm/4xx_pci.h>
  43 #endif
  44
  45 DECLARE_GLOBAL_DATA_PTR;
  46
  47 #if defined(CONFIG_PATI)
  48 #define FIRM_START 0xFFF00000
  49 #endif
  50
  51 extern int mem_test(ulong start, ulong ramsize, int quiet);
  52
  53 #define I2C_BACKUP_ADDR 0x7C00          /* 0x200 bytes for backup */
  54 #define IMAGE_SIZE CONFIG_SYS_MONITOR_LEN       /* ugly, but it works for now */
  55
  56 extern flash_info_t flash_info[];       /* info for FLASH chips */
  57
  58 static int
  59 mpl_prg(uchar *src, ulong size)
  60 {
  61         ulong start;
  62         flash_info_t *info;
  63         int i, rc;
  64 #if defined(CONFIG_PATI)
  65         int start_sect;
  66 #endif
  67 #if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) || defined(CONFIG_PATI)
  68         char *copystr = (char *)src;
  69         ulong *magic = (ulong *)src;
  70 #endif
  71
  72         info = &flash_info[0];
  73
  74 #if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) || defined(CONFIG_PATI)
  75         if (uimage_to_cpu (magic[0]) != IH_MAGIC) {
  76                 puts("Bad Magic number\n");
  77                 return -1;
  78         }
  79         /* some more checks before we delete the Flash... */
  80         /* Checking the ISO_STRING prevents to program a
  81          * wrong Firmware Image into the flash.
  82          */
  83         i = 4; /* skip Magic number */
  84         while (1) {
  85                 if (strncmp(&copystr[i], "MEV-", 4) == 0)
  86                         break;
  87                 if (i++ >= 0x100) {
  88                         puts("Firmware Image for unknown Target\n");
  89                         return -1;
  90                 }
  91         }
  92         /* we have the ISO STRING, check */
  93         if (strncmp(&copystr[i], CONFIG_ISO_STRING, sizeof(CONFIG_ISO_STRING)-1) != 0) {
  94                 printf("Wrong Firmware Image: %s\n", &copystr[i]);
  95                 return -1;
  96         }
  97 #if !defined(CONFIG_PATI)
  98         start = 0 - size;
  99         for (i = info->sector_count-1; i > 0; i--) {
 100                 info->protect[i] = 0; /* unprotect this sector */
 101                 if (start >= info->start[i])
 102                         break;
 103         }
 104         /* set-up flash location */
 105         /* now erase flash */
 106         printf("Erasing at %lx (sector %d) (start %lx)\n",
 107                                 start,i,info->start[i]);
 108         if ((rc = flash_erase (info, i, info->sector_count-1)) != 0) {
 109                 puts("ERROR ");
 110                 flash_perror(rc);
 111                 return (1);
 112         }
 113
 114 #else /* #if !defined(CONFIG_PATI */
 115         start = FIRM_START;
 116         start_sect = -1;
 117         for (i = 0; i < info->sector_count; i++) {
 118                 if (start < info->start[i]) {
 119                         start_sect = i - 1;
 120                         break;
 121                 }
 122         }
 123
 124         info->protect[i - 1] = 0;       /* unprotect this sector */
 125         for (; i < info->sector_count; i++) {
 126                 if ((start + size) < info->start[i])
 127                         break;
 128                 info->protect[i] = 0;   /* unprotect this sector */
 129         }
 130
 131         i--;
 132         /* set-up flash location */
 133         /* now erase flash */
 134         printf ("Erasing at %lx to %lx (sector %d to %d) (%lx to %lx)\n",
 135                 start, start + size, start_sect, i,
 136                 info->start[start_sect], info->start[i]);
 137         if ((rc = flash_erase (info, start_sect, i)) != 0) {
 138                 puts ("ERROR ");
 139                 flash_perror (rc);
 140                 return (1);
 141         }
 142 #endif /* defined(CONFIG_PATI) */
 143
 144 #elif defined(CONFIG_VCMA9)
 145         start = 0;
 146         for (i = 0; i <info->sector_count; i++) {
 147                 info->protect[i] = 0; /* unprotect this sector */
 148                 if (size < info->start[i])
 149                     break;
 150         }
 151         /* set-up flash location */
 152         /* now erase flash */
 153         printf("Erasing at %lx (sector %d) (start %lx)\n",
 154                                 start,0,info->start[0]);
 155         if ((rc = flash_erase (info, 0, i)) != 0) {
 156                 puts("ERROR ");
 157                 flash_perror(rc);
 158                 return (1);
 159         }
 160
 161 #endif
 162         printf("flash erased, programming from 0x%lx 0x%lx Bytes\n",
 163                 (ulong)src, size);
 164         if ((rc = flash_write ((char *)src, start, size)) != 0) {
 165                 puts("ERROR ");
 166                 flash_perror(rc);
 167                 return (1);
 168         }
 169         puts("OK programming done\n");
 170         return 0;
 171 }
 172
 173
 174 static int
 175 mpl_prg_image(uchar *ld_addr)
 176 {
 177         unsigned long len;
 178         uchar *data;
 179         image_header_t *hdr = (image_header_t *)ld_addr;
 180         int rc;
 181
 182 #if defined(CONFIG_FIT)
 183         if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
 184                 puts ("Non legacy image format not supported\n");
 185                 return -1;
 186         }
 187 #endif
 188
 189         if (!image_check_magic (hdr)) {
 190                 puts("Bad Magic Number\n");
 191                 return 1;
 192         }
 193         image_print_contents (hdr);
 194         if (!image_check_os (hdr, IH_OS_U_BOOT)) {
 195                 puts("No U-Boot Image\n");
 196                 return 1;
 197         }
 198         if (!image_check_type (hdr, IH_TYPE_FIRMWARE)) {
 199                 puts("No Firmware Image\n");
 200                 return 1;
 201         }
 202         if (!image_check_hcrc (hdr)) {
 203                 puts("Bad Header Checksum\n");
 204                 return 1;
 205         }
 206         puts("Verifying Checksum ... ");
 207         if (!image_check_dcrc (hdr)) {
 208                 puts("Bad Data CRC\n");
 209                 return 1;
 210         }
 211         puts("OK\n");
 212
 213         data = (uchar *)image_get_data (hdr);
 214         len = image_get_data_size (hdr);
 215
 216         if (image_get_comp (hdr) != IH_COMP_NONE) {
 217                 uchar *buf;
 218                 /* reserve space for uncompressed image */
 219                 if ((buf = malloc(IMAGE_SIZE)) == NULL) {
 220                         puts("Insufficient space for decompression\n");
 221                         return 1;
 222                 }
 223
 224                 switch (image_get_comp (hdr)) {
 225                 case IH_COMP_GZIP:
 226                         puts("Uncompressing (GZIP) ... ");
 227                         rc = gunzip ((void *)(buf), IMAGE_SIZE, data, &len);
 228                         if (rc != 0) {
 229                                 puts("GUNZIP ERROR\n");
 230                                 free(buf);
 231                                 return 1;
 232                         }
 233                         puts("OK\n");
 234                         break;
 235 #ifdef CONFIG_BZIP2
 236                 case IH_COMP_BZIP2:
 237                         puts("Uncompressing (BZIP2) ... ");
 238                         {
 239                         uint retlen = IMAGE_SIZE;
 240                         rc = BZ2_bzBuffToBuffDecompress ((char *)(buf), &retlen,
 241                                 (char *)data, len, 0, 0);
 242                         len = retlen;
 243                         }
 244                         if (rc != BZ_OK) {
 245                                 printf ("BUNZIP2 ERROR: %d\n", rc);
 246                                 free(buf);
 247                                 return 1;
 248                         }
 249                         puts("OK\n");
 250                         break;
 251 #endif
 252                 default:
 253                         printf ("Unimplemented compression type %d\n",
 254                                 image_get_comp (hdr));
 255                         free(buf);
 256                         return 1;
 257                 }
 258
 259                 rc = mpl_prg(buf, len);
 260                 free(buf);
 261         } else {
 262                 rc = mpl_prg(data, len);
 263         }
 264
 265         return(rc);
 266 }
 267
 268 #if !defined(CONFIG_PATI)
 269 void get_backup_values(backup_t *buf)
 270 {
 271         i2c_read(CONFIG_SYS_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)buf,sizeof(backup_t));
 272 }
 273
 274 void set_backup_values(int overwrite)
 275 {
 276         backup_t back;
 277         int i;
 278
 279         get_backup_values(&back);
 280         if(!overwrite) {
 281                 if(strncmp(back.signature,"MPL\0",4)==0) {
 282                         puts("Not possible to write Backup\n");
 283                         return;
 284                 }
 285         }
 286         memcpy(back.signature,"MPL\0",4);
 287         i = getenv_r("serial#",back.serial_name,16);
 288         if(i < 0) {
 289                 puts("Not possible to write Backup\n");
 290                 return;
 291         }
 292         back.serial_name[16]=0;
 293         i = getenv_r("ethaddr",back.eth_addr,20);
 294         if(i < 0) {
 295                 puts("Not possible to write Backup\n");
 296                 return;
 297         }
 298         back.eth_addr[20]=0;
 299         i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
 300 }
 301
 302 void clear_env_values(void)
 303 {
 304         backup_t back;
 305         unsigned char env_crc[4];
 306
 307         memset(&back,0xff,sizeof(backup_t));
 308         memset(env_crc,0x00,4);
 309         i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR,I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
 310         i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR,CONFIG_ENV_OFFSET,2,(void *)env_crc,4);
 311 }
 312
 313 /*
 314  * check crc of "older" environment
 315  */
 316 int check_env_old_size(ulong oldsize)
 317 {
 318         ulong crc, len, new;
 319         unsigned off;
 320         uchar buf[64];
 321
 322         /* read old CRC */
 323         eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR,
 324                      CONFIG_ENV_OFFSET,
 325                      (uchar *)&crc, sizeof(ulong));
 326
 327         new = 0;
 328         len = oldsize;
 329         off = sizeof(long);
 330         len = oldsize-off;
 331         while (len > 0) {
 332                 int n = (len > sizeof(buf)) ? sizeof(buf) : len;
 333
 334                 eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, buf, n);
 335                 new = crc32 (new, buf, n);
 336                 len -= n;
 337                 off += n;
 338         }
 339
 340         return (crc == new);
 341 }
 342
 343 static ulong oldsizes[] = {
 344         0x200,
 345         0x800,
 346         0
 347 };
 348
 349 void copy_old_env(ulong size)
 350 {
 351         uchar name_buf[64];
 352         uchar value_buf[0x800];
 353         uchar c;
 354         ulong len;
 355         unsigned off;
 356         uchar *name, *value;
 357
 358         name = &name_buf[0];
 359         value = &value_buf[0];
 360         len=size;
 361         off = sizeof(long);
 362         while (len > off) {
 363                 eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, &c, 1);
 364                 if(c != '=') {
 365                         *name++=c;
 366                         off++;
 367                 }
 368                 else {
 369                         *name++='\0';
 370                         off++;
 371                         do {
 372                                 eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, &c, 1);
 373                                 *value++=c;
 374                                 off++;
 375                                 if(c == '\0')
 376                                         break;
 377                         } while(len > off);
 378                         name = &name_buf[0];
 379                         value = &value_buf[0];
 380                         if(strncmp((char *)name,"baudrate",8)!=0) {
 381                                 setenv((char *)name,(char *)value);
 382                         }
 383
 384                 }
 385         }
 386 }
 387
 388
 389 void check_env(void)
 390 {
 391         char *s;
 392         int i=0;
 393         char buf[32];
 394         backup_t back;
 395
 396         s=getenv("serial#");
 397         if(!s) {
 398                 while(oldsizes[i]) {
 399                         if(check_env_old_size(oldsizes[i]))
 400                                 break;
 401                         i++;
 402                 }
 403                 if(!oldsizes[i]) {
 404                         /* no old environment has been found */
 405                         get_backup_values (&back);
 406                         if (strncmp (back.signature, "MPL\0", 4) == 0) {
 407                                 sprintf (buf, "%s", back.serial_name);
 408                                 setenv ("serial#", buf);
 409                                 sprintf (buf, "%s", back.eth_addr);
 410                                 setenv ("ethaddr", buf);
 411                                 printf ("INFO:  serial# and ethaddr recovered, use saveenv\n");
 412                                 return;
 413                         }
 414                 }
 415                 else {
 416                         copy_old_env(oldsizes[i]);
 417                         puts("INFO:  old environment ajusted, use saveenv\n");
 418                 }
 419         }
 420         else {
 421                 /* check if back up is set */
 422                 get_backup_values(&back);
 423                 if(strncmp(back.signature,"MPL\0",4)!=0) {
 424                         set_backup_values(0);
 425                 }
 426         }
 427 }
 428
 429 #endif /* #if !defined(CONFIG_PATI) */
 430
 431 int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 432 {
 433         ulong size,src,ld_addr;
 434         int result;
 435 #if !defined(CONFIG_PATI)
 436         backup_t back;
 437         src = MULTI_PURPOSE_SOCKET_ADDR;
 438         size = IMAGE_SIZE;
 439 #endif
 440
 441         if (strcmp(argv[1], "flash") == 0)
 442         {
 443 #if defined(CONFIG_CMD_FDC)
 444                 if (strcmp(argv[2], "floppy") == 0) {
 445                         char *local_args[3];
 446                         extern int do_fdcboot (cmd_tbl_t *, int, int, char *[]);
 447                         puts("\nupdating bootloader image from floppy\n");
 448                         local_args[0] = argv[0];
 449                         if(argc==4) {
 450                                 local_args[1] = argv[3];
 451                                 local_args[2] = NULL;
 452                                 ld_addr=simple_strtoul(argv[3], NULL, 16);
 453                                 result=do_fdcboot(cmdtp, 0, 2, local_args);
 454                         }
 455                         else {
 456                                 local_args[1] = NULL;
 457                                 ld_addr=CONFIG_SYS_LOAD_ADDR;
 458                                 result=do_fdcboot(cmdtp, 0, 1, local_args);
 459                         }
 460                         result=mpl_prg_image((uchar *)ld_addr);
 461                         return result;
 462                 }
 463 #endif
 464                 if (strcmp(argv[2], "mem") == 0) {
 465                         if(argc==4) {
 466                                 ld_addr=simple_strtoul(argv[3], NULL, 16);
 467                         }
 468                         else {
 469                                 ld_addr=load_addr;
 470                         }
 471                         printf ("\nupdating bootloader image from memory at %lX\n",ld_addr);
 472                         result=mpl_prg_image((uchar *)ld_addr);
 473                         return result;
 474                 }
 475 #if !defined(CONFIG_PATI)
 476                 if (strcmp(argv[2], "mps") == 0) {
 477                         puts("\nupdating bootloader image from MPS\n");
 478                         result=mpl_prg((uchar *)src,size);
 479                         return result;
 480                 }
 481 #endif /* #if !defined(CONFIG_PATI)     */
 482         }
 483         if (strcmp(argv[1], "mem") == 0)
 484         {
 485                 result=0;
 486                 if(argc==3)
 487                 {
 488                         result = (int)simple_strtol(argv[2], NULL, 16);
 489             }
 490             src=(unsigned long)&result;
 491             src-=CONFIG_SYS_MEMTEST_START;
 492             src-=(100*1024); /* - 100k */
 493             src&=0xfff00000;
 494             size=0;
 495             do {
 496                 size++;
 497                         printf("\n\nPass %ld\n",size);
 498                         mem_test(CONFIG_SYS_MEMTEST_START,src,1);
 499                         if(ctrlc())
 500                                 break;
 501                         if(result>0)
 502                                 result--;
 503
 504                 }while(result);
 505                 return 0;
 506         }
 507 #if !defined(CONFIG_PATI)
 508         if (strcmp(argv[1], "clearenvvalues") == 0)
 509         {
 510                 if (strcmp(argv[2], "yes") == 0)
 511                 {
 512                         clear_env_values();
 513                         return 0;
 514                 }
 515         }
 516         if (strcmp(argv[1], "getback") == 0) {
 517                 get_backup_values(&back);
 518                 back.signature[3]=0;
 519                 back.serial_name[16]=0;
 520                 back.eth_addr[20]=0;
 521                 printf("GetBackUp: signature: %s\n",back.signature);
 522                 printf("           serial#:   %s\n",back.serial_name);
 523                 printf("           ethaddr:   %s\n",back.eth_addr);
 524                 return 0;
 525         }
 526         if (strcmp(argv[1], "setback") == 0) {
 527                 set_backup_values(1);
 528                 return 0;
 529         }
 530 #endif
 531         cmd_usage(cmdtp);
 532         return 1;
 533 }
 534
 535
 536 #if defined(CONFIG_CMD_DOC)
 537 void doc_init (void)
 538 {
 539   doc_probe(MULTI_PURPOSE_SOCKET_ADDR);
 540 }
 541 #endif
 542
 543
 544 #ifdef CONFIG_VIDEO
 545 /******************************************************
 546  * Routines to display the Board information
 547  * to the screen (since the VGA will be initialized as last,
 548  * we must resend the infos)
 549  */
 550
 551 #ifdef CONFIG_CONSOLE_EXTRA_INFO
 552 extern GraphicDevice ctfb;
 553 extern int get_boot_mode(void);
 554
 555 void video_get_info_str (int line_number, char *info)
 556 {
 557         /* init video info strings for graphic console */
 558         PPC4xx_SYS_INFO sys_info;
 559         char rev;
 560         int i,boot;
 561         unsigned long pvr;
 562         char buf[64];
 563         char buf1[32], buf2[32], buf3[32], buf4[32];
 564         char cpustr[16];
 565         char *s, *e, bc;
 566         switch (line_number)
 567         {
 568         case 2:
 569                 /* CPU and board infos */
 570                 pvr=get_pvr();
 571                 get_sys_info (&sys_info);
 572                 switch (pvr) {
 573                         case PVR_405GP_RB: rev='B'; break;
 574                         case PVR_405GP_RC: rev='C'; break;
 575                         case PVR_405GP_RD: rev='D'; break;
 576                         case PVR_405GP_RE: rev='E'; break;
 577                         case PVR_405GPR_RB: rev='B'; break;
 578                         default:           rev='?'; break;
 579                 }
 580                 if(pvr==PVR_405GPR_RB)
 581                         sprintf(cpustr,"PPC405GPr %c",rev);
 582                 else
 583                         sprintf(cpustr,"PPC405GP %c",rev);
 584                 /* Board info */
 585                 i=0;
 586                 s=getenv ("serial#");
 587 #ifdef CONFIG_PIP405
 588                 if (!s || strncmp (s, "PIP405", 6)) {
 589                         sprintf(buf,"### No HW ID - assuming PIP405");
 590                 }
 591 #endif
 592 #ifdef CONFIG_MIP405
 593                 if (!s || strncmp (s, "MIP405", 6)) {
 594                         sprintf(buf,"### No HW ID - assuming MIP405");
 595                 }
 596 #endif
 597                 else {
 598                         for (e = s; *e; ++e) {
 599                                 if (*e == ' ')
 600                                         break;
 601                         }
 602                         for (; s < e; ++s) {
 603                                 if (*s == '_') {
 604                                         ++s;
 605                                         break;
 606                                 }
 607                                 buf[i++] = *s;
 608                         }
 609                         sprintf(&buf[i]," SN ");
 610                         i+=4;
 611                         for (; s < e; ++s) {
 612                                 buf[i++] = *s;
 613                         }
 614                         buf[i++]=0;
 615                 }
 616                 sprintf (info," %s %s %s MHz (%s/%s/%s MHz)",
 617                         buf, cpustr,
 618                         strmhz (buf1, gd->cpu_clk),
 619                         strmhz (buf2, sys_info.freqPLB),
 620                         strmhz (buf3, sys_info.freqPLB / sys_info.pllOpbDiv),
 621                         strmhz (buf4, sys_info.freqPLB / sys_info.pllExtBusDiv));
 622                 return;
 623         case 3:
 624                 /* Memory Info */
 625                 boot = get_boot_mode();
 626                 bc = in8 (CONFIG_PORT_ADDR);
 627                 sprintf(info, " %luMB RAM, %luMB Flash Cfg 0x%02X %s %s",
 628                         gd->bd->bi_memsize / 0x100000,
 629                         gd->bd->bi_flashsize / 0x100000,
 630                         bc,
 631                         (boot & BOOT_MPS) ? "MPS boot" : "Flash boot",
 632                         ctfb.modeIdent);
 633                 return;
 634         case 1:
 635                 sprintf (buf, "%s",CONFIG_IDENT_STRING);
 636                 sprintf (info, " %s", &buf[1]);
 637                 return;
 638     }
 639     /* no more info lines */
 640     *info = 0;
 641     return;
 642 }
 643 #endif /* CONFIG_CONSOLE_EXTRA_INFO */
 644
 645 #endif /* CONFIG_VIDEO */