target/linux/at91-2.6/image/dfboot/src/main.c

   1 /*----------------------------------------------------------------------------
   2  *         ATMEL Microcontroller Software Support  -  ROUSSET  -
   3  *----------------------------------------------------------------------------
   4  * The software is delivered "AS IS" without warranty or condition of any
   5  * kind, either express, implied or statutory. This includes without
   6  * limitation any warranty or condition with respect to merchantability or
   7  * fitness for any particular purpose, or against the infringements of
   8  * intellectual property rights of others.
   9  *----------------------------------------------------------------------------
  10  * File Name            : main.c
  11  * Object               :
  12  * Creation             : HIi   10/10/2003
  13  * Modif                : HIi   15/06/2004 :    add crc32 to verify the download
  14  *                                              from dataflash
  15  *                      : HIi   21/09/2004 :    Set first PLLA to 180Mhz and MCK to
  16  *                                              60Mhz to speed up dataflash boot (15Mhz)
  17  *                      : MLC   12/04/2005 :    Modify SetPLL() to avoid errata
  18  *                      : USA   30/12/2005 :    Change to page Size 1056
  19  *                                              Change startaddress to C0008400
  20  *                                              Change SPI Speed to ~4 Mhz
  21  *                                              Add retry on CRC Error
  22  *----------------------------------------------------------------------------
  23  */
  24 #include "config.h"
  25 #include "stdio.h"
  26 #include "AT91RM9200.h"
  27 #include "lib_AT91RM9200.h"
  28 #include "com.h"
  29 #include "main.h"
  30 #include "dataflash.h"
  31 #include "AT91C_MCI_Device.h"
  32
  33 #define DEBUGOUT
  34 #define XMODEM
  35 #define MEMDISP
  36
  37 #ifdef  PAGESZ_1056
  38 #define PAGESIZE        1056
  39 #else
  40 #define PAGESIZE        1024
  41 #endif
  42
  43 #define AT91C_SDRAM_START 0x20000000
  44 #define AT91C_BOOT_ADDR 0x21F00000
  45 #define AT91C_BOOT_SIZE 128*PAGESIZE
  46 #ifdef  PAGESZ_1056
  47 #define AT91C_BOOT_DATAFLASH_ADDR 0xC0008400
  48 #else
  49 #define AT91C_BOOT_DATAFLASH_ADDR 0xC0008000
  50 #endif
  51 #define AT91C_PLLA_VALUE 0x2026BE04     // crystal= 18.432MHz
  52 //#define AT91C_PLLA_VALUE 0x202CBE01   // crystal= 4MHz
  53
  54
  55
  56 #define DISP_LINE_LEN 16
  57
  58 // Reason for boot failure
  59 #define IMAGE_BAD_SIZE                  0
  60 #define IMAGE_READ_FAILURE      1
  61 #define IMAGE_CRC_ERROR         2
  62 #define IMAGE_ERROR                     3
  63 #define SUCCESS                         -1
  64
  65 /* prototypes*/
  66 extern void AT91F_ST_ASM_HANDLER(void);
  67 extern void Jump(unsigned int addr);
  68
  69 const char *menu_dataflash[] = {
  70 #ifdef XMODEM
  71         "1: P DFboot\n",
  72         "2: P U-Boot\n",
  73 #endif
  74         "3: P SDCard\n",
  75 #ifdef  PAGESZ_1056
  76         "4: R UBOOT\n",
  77 #else
  78         "4: R UBOOT\n",
  79 #endif
  80 #ifdef XMODEM
  81         "5: P DF [addr]\n",
  82 #endif
  83         "6: RD DF [addr]\n",
  84         "7: E DF\n"
  85 };
  86 #ifdef XMODEM
  87 #define MAXMENU 7
  88 #else
  89 #define MAXMENU 4
  90 #endif
  91
  92 char message[20];
  93 #ifdef XMODEM
  94 volatile char XmodemComplete = 0;
  95 #endif
  96 unsigned int StTick = 0;
  97
  98 AT91S_RomBoot const *pAT91;
  99 #ifdef XMODEM
 100 AT91S_SBuffer sXmBuffer;
 101 AT91S_SvcXmodem svcXmodem;
 102 AT91S_Pipe xmodemPipe;
 103 #endif
 104 AT91S_CtlTempo ctlTempo;
 105
 106
 107 //*--------------------------------------------------------------------------------------
 108 //* Function Name       : GetTickCount()
 109 //* Object              : Return the number of systimer tick
 110 //* Input Parameters    :
 111 //* Output Parameters   :
 112 //*--------------------------------------------------------------------------------------
 113 unsigned int GetTickCount(void)
 114 {
 115         return StTick;
 116 }
 117
 118 #ifdef XMODEM
 119 //*--------------------------------------------------------------------------------------
 120 //* Function Name       : AT91_XmodemComplete()
 121 //* Object              : Perform the remap and jump to appli in RAM
 122 //* Input Parameters    :
 123 //* Output Parameters   :
 124 //*--------------------------------------------------------------------------------------
 125 static void AT91_XmodemComplete(AT91S_PipeStatus status, void *pVoid)
 126 {
 127         /* stop the Xmodem tempo */
 128         svcXmodem.tempo.Stop(&(svcXmodem.tempo));
 129         XmodemComplete = 1;
 130 }
 131
 132
 133 //*--------------------------------------------------------------------------------------
 134 //* Function Name       : AT91F_XmodemProtocol(AT91S_PipeStatus status, void *pVoid)
 135 //* Object              : Xmodem dispatcher
 136 //* Input Parameters    :
 137 //* Output Parameters   :
 138 //*--------------------------------------------------------------------------------------
 139 static void XmodemProtocol(AT91S_PipeStatus status, void *pVoid)
 140 {
 141         AT91PS_SBuffer pSBuffer = (AT91PS_SBuffer) xmodemPipe.pBuffer->pChild;
 142         AT91PS_USART   pUsart     = svcXmodem.pUsart;
 143
 144         if (pSBuffer->szRdBuffer == 0) {
 145                 /* Start a tempo to wait the Xmodem protocol complete */
 146                 svcXmodem.tempo.Start(&(svcXmodem.tempo), 10, 0, AT91_XmodemComplete, pUsart);
 147         }
 148 }
 149 #endif
 150
 151 //*--------------------------------------------------------------------------------------
 152 //* Function Name       : irq1_c_handler()
 153 //* Object              : C Interrupt handler for Interrutp source 1
 154 //* Input Parameters    : none
 155 //* Output Parameters   : none
 156 //*--------------------------------------------------------------------------------------
 157 void AT91F_ST_HANDLER(void)
 158 {
 159         volatile unsigned int csr = *AT91C_DBGU_CSR;
 160 #ifdef XMODEM
 161         unsigned int error;
 162 #endif
 163
 164         if (AT91C_BASE_ST->ST_SR & 0x01) {
 165                 StTick++;
 166                 ctlTempo.CtlTempoTick(&ctlTempo);
 167                 return;
 168         }
 169
 170 #ifdef XMODEM
 171         error = AT91F_US_Error((AT91PS_USART)AT91C_BASE_DBGU);
 172         if (csr & error) {
 173                 /* Stop previous Xmodem transmition*/
 174                 *(AT91C_DBGU_CR) = AT91C_US_RSTSTA;
 175                 AT91F_US_DisableIt((AT91PS_USART)AT91C_BASE_DBGU, AT91C_US_ENDRX);
 176                 AT91F_US_EnableIt((AT91PS_USART)AT91C_BASE_DBGU, AT91C_US_RXRDY);
 177
 178         }
 179
 180         else if (csr & (AT91C_US_TXRDY | AT91C_US_ENDTX | AT91C_US_TXEMPTY |
 181                         AT91C_US_RXRDY | AT91C_US_ENDRX | AT91C_US_TIMEOUT |
 182                         AT91C_US_RXBUFF)) {
 183                 if ( !(svcXmodem.eot) )
 184                         svcXmodem.Handler(&svcXmodem, csr);
 185         }
 186 #endif
 187 }
 188
 189
 190 //*-----------------------------------------------------------------------------
 191 //* Function Name       : AT91F_DisplayMenu()
 192 //* Object              :
 193 //* Input Parameters    :
 194 //* Return value                :
 195 //*-----------------------------------------------------------------------------
 196 static int AT91F_DisplayMenu(void)
 197 {
 198         int i, mci_present = 0;
 199         printf("\nDF LOADER %s %s %s\n",AT91C_VERSION,__DATE__,__TIME__);
 200         AT91F_DataflashPrintInfo();
 201         mci_present = AT91F_MCI_Init();
 202         for(i = 0; i < MAXMENU; i++) {
 203                 puts(menu_dataflash[i]);
 204         }
 205         return mci_present;
 206 }
 207
 208
 209 //*-----------------------------------------------------------------------------
 210 //* Function Name       : AsciiToHex()
 211 //* Object              : ascii to hexa conversion
 212 //* Input Parameters    :
 213 //* Return value                :
 214 //*-----------------------------------------------------------------------------
 215 static unsigned int AsciiToHex(char *s, unsigned int *val)
 216 {
 217         int n;
 218
 219         *val=0;
 220
 221         if(s[0] == '0' && ((s[1] == 'x') || (s[1] == 'X')))
 222                 s+=2;
 223         n = 0;
 224         while((n < 8) && (s[n] !=0))
 225         {
 226                 *val <<= 4;
 227                 if ( (s[n] >= '0') && (s[n] <='9'))
 228                         *val += (s[n] - '0');
 229                 else
 230                         if ((s[n] >= 'a') && (s[n] <='f'))
 231                                 *val += (s[n] - 0x57);
 232                         else
 233                                 if ((s[n] >= 'A') && (s[n] <='F'))
 234                                         *val += (s[n] - 0x37);
 235                         else
 236                                 return 0;
 237                 n++;
 238         }
 239
 240         return 1;
 241 }
 242
 243
 244 #ifdef MEMDISP
 245 //*-----------------------------------------------------------------------------
 246 //* Function Name       : AT91F_MemoryDisplay()
 247 //* Object              : Display the content of the dataflash
 248 //* Input Parameters    :
 249 //* Return value                :
 250 //*-----------------------------------------------------------------------------
 251 static int AT91F_MemoryDisplay(unsigned int addr, unsigned int length)
 252 {
 253         unsigned long   i, nbytes, linebytes;
 254         char    *cp;
 255 //      unsigned int    *uip;
 256 //      unsigned short  *usp;
 257         unsigned char   *ucp;
 258         char linebuf[DISP_LINE_LEN];
 259
 260 //      nbytes = length * size;
 261         nbytes = length;
 262         do
 263         {
 264 //              uip = (unsigned int *)linebuf;
 265 //              usp = (unsigned short *)linebuf;
 266                 ucp = (unsigned char *)linebuf;
 267
 268                 printf("%08x:", addr);
 269                 linebytes = (nbytes > DISP_LINE_LEN)?DISP_LINE_LEN:nbytes;
 270                 if((addr & 0xF0000000) == 0x20000000) {
 271                         for(i = 0; i < linebytes; i ++) {
 272                                 linebuf[i] =  *(char *)(addr+i);
 273                         }
 274                 } else {
 275                         read_dataflash(addr, linebytes, linebuf);
 276                 }
 277                 for (i=0; i<linebytes; i++)
 278                 {
 279 /*                      if (size == 4)
 280                                 printf(" %08x", *uip++);
 281                         else if (size == 2)
 282                                 printf(" %04x", *usp++);
 283                         else
 284 */
 285                                 printf(" %02x", *ucp++);
 286 //                      addr += size;
 287                         addr++;
 288                 }
 289                 printf("    ");
 290                 cp = linebuf;
 291                 for (i=0; i<linebytes; i++) {
 292                         if ((*cp < 0x20) || (*cp > 0x7e))
 293                                 printf(".");
 294                         else
 295                                 printf("%c", *cp);
 296                         cp++;
 297                 }
 298                 printf("\n");
 299                 nbytes -= linebytes;
 300         } while (nbytes > 0);
 301         return 0;
 302 }
 303 #endif
 304
 305 //*--------------------------------------------------------------------------------------
 306 //* Function Name       : AT91F_SetPLL
 307 //* Object              : Set the PLLA to 180Mhz and Master clock to 60 Mhz
 308 //* Input Parameters    :
 309 //* Output Parameters   :
 310 //*--------------------------------------------------------------------------------------
 311 static unsigned int AT91F_SetPLL(void)
 312 {
 313         AT91_REG tmp;
 314         AT91PS_PMC pPmc = AT91C_BASE_PMC;
 315         AT91PS_CKGR pCkgr = AT91C_BASE_CKGR;
 316
 317         pPmc->PMC_IDR = 0xFFFFFFFF;
 318
 319         /* -Setup the PLL A */
 320         pCkgr->CKGR_PLLAR = AT91C_PLLA_VALUE;
 321
 322         while (!(*AT91C_PMC_SR & AT91C_PMC_LOCKA));
 323
 324         /* - Switch Master Clock from PLLB to PLLA/3 */
 325         tmp = pPmc->PMC_MCKR;
 326         /* See Atmel Errata #27 and #28 */
 327         if (tmp & 0x0000001C) {
 328                 tmp = (tmp & ~0x0000001C);
 329                 pPmc->PMC_MCKR = tmp;
 330                 while (!(*AT91C_PMC_SR & AT91C_PMC_MCKRDY));
 331         }
 332         if (tmp != 0x00000202) {
 333                 pPmc->PMC_MCKR = 0x00000202;
 334                 if ((tmp & 0x00000003) != 0x00000002)
 335                         while (!(*AT91C_PMC_SR & AT91C_PMC_MCKRDY));
 336         }
 337
 338         return 1;
 339 }
 340
 341
 342 //*--------------------------------------------------------------------------------------
 343 //* Function Name       : AT91F_ResetRegisters
 344 //* Object              : Restore the initial state to registers
 345 //* Input Parameters    :
 346 //* Output Parameters   :
 347 //*--------------------------------------------------------------------------------------
 348 static unsigned int AT91F_ResetRegisters(void)
 349 {
 350         volatile int i = 0;
 351
 352         /* set the PIOs in input*/
 353         /* This disables the UART output, so dont execute for now*/
 354
 355 #ifndef DEBUGOUT
 356         *AT91C_PIOA_ODR = 0xFFFFFFFF;   /* Disables all the output pins */
 357         *AT91C_PIOA_PER = 0xFFFFFFFF;   /* Enables the PIO to control all the pins */
 358 #endif
 359
 360         AT91F_AIC_DisableIt (AT91C_BASE_AIC, AT91C_ID_SYS);
 361         /* close all peripheral clocks */
 362
 363 #ifndef DEBUGOUT
 364         AT91C_BASE_PMC->PMC_PCDR = 0xFFFFFFFC;
 365 #endif
 366         /* Disable core interrupts and set supervisor mode */
 367         __asm__ ("msr CPSR_c, #0xDF"); //* ARM_MODE_SYS(0x1F) | I_BIT(0x80) | F_BIT(0x40)
 368         /* Clear all the interrupts */
 369         *AT91C_AIC_ICCR = 0xffffffff;
 370
 371         /* read the AIC_IVR and AIC_FVR */
 372         i = *AT91C_AIC_IVR;
 373         i = *AT91C_AIC_FVR;
 374
 375         /* write the end of interrupt control register */
 376         *AT91C_AIC_EOICR        = 0;
 377
 378         return 1;
 379 }
 380
 381
 382 static int AT91F_LoadBoot(void)
 383 {
 384 //      volatile unsigned int crc1 = 0, crc2 = 0;
 385         volatile unsigned int SizeToDownload = 0x21400;
 386         volatile unsigned int AddressToDownload = AT91C_BOOT_ADDR;
 387
 388 #if 0
 389         /* Read vector 6 to extract size to load */
 390         if (read_dataflash(AT91C_BOOT_DATAFLASH_ADDR, 32,
 391                            (char *)AddressToDownload) != AT91C_DATAFLASH_OK)
 392         {
 393                 printf("Bad Code Size\n");
 394                 return IMAGE_BAD_SIZE;
 395         }
 396         /* calculate the size to download */
 397         SizeToDownload = *(int *)(AddressToDownload + AT91C_OFFSET_VECT6);
 398 #endif
 399
 400 //      printf("\nLoad UBOOT from dataflash[%x] to SDRAM[%x]\n",
 401 //             AT91C_BOOT_DATAFLASH_ADDR, AT91C_BOOT_ADDR);
 402         if (read_dataflash(AT91C_BOOT_DATAFLASH_ADDR, SizeToDownload + 8,
 403                            (char *)AddressToDownload) != AT91C_DATAFLASH_OK)
 404         {
 405                 printf("F DF RD\n");
 406                 return IMAGE_READ_FAILURE;
 407         }
 408 #if 0
 409         pAT91->CRC32((const unsigned char *)AT91C_BOOT_ADDR,
 410                      (unsigned int)SizeToDownload , (unsigned int *)&crc2);
 411         crc1 = (int)(*(char *)(AddressToDownload + SizeToDownload)) +
 412                (int)(*(char *)(AddressToDownload + SizeToDownload + 1) << 8) +
 413                (int)(*(char *)(AddressToDownload + SizeToDownload + 2) << 16) +
 414                (int)(*(char *)(AddressToDownload + SizeToDownload + 3) << 24);
 415
 416         /* Restore the value of Vector 6 */
 417         *(int *)(AddressToDownload + AT91C_OFFSET_VECT6) =
 418                 *(int *)(AddressToDownload + SizeToDownload + 4);
 419
 420         if (crc1 != crc2) {
 421                 printf("DF CRC bad %x != %x\n",crc1,crc2);
 422                 return  IMAGE_CRC_ERROR;
 423         }
 424 #endif
 425         return SUCCESS;
 426 }
 427
 428 static int AT91F_StartBoot(void)
 429 {
 430         int     sts;
 431         if((sts = AT91F_LoadBoot()) != SUCCESS) return sts;
 432 //      printf("\n");
 433 //      printf("PLLA[180MHz], MCK[60Mhz] ==> Start UBOOT\n");
 434         if (AT91F_ResetRegisters())
 435         {
 436                 printf("Jump");
 437                 Jump(AT91C_BOOT_ADDR);
 438 //              LED_blink(0);
 439         }
 440         return  IMAGE_ERROR;
 441 }
 442
 443 #if 0
 444 static void     AT91F_RepeatedStartBoot(void)
 445 {
 446         int     i;
 447         for(i = 0; i < CRC_RETRIES; i++) {
 448                 if(AT91F_StartBoot() != IMAGE_CRC_ERROR){
 449 //                      LED_blink(1);
 450                         return;
 451                 }
 452         }
 453         return;
 454 }
 455 #endif
 456
 457 #define TRUE 1
 458 #define FALSE 0
 459 #define TRX_MAGIC 0x30524448  /* "HDR0" */
 460 #define TRX_VERSION 1
 461
 462 struct trx_header {
 463         unsigned int magic;
 464         unsigned int len;
 465         unsigned int crc32;
 466         unsigned int flag_version;
 467         unsigned int offsets[3];
 468 };
 469
 470 #define AT91C_MCI_TIMEOUT 1000000
 471
 472 extern AT91S_MciDevice MCI_Device;
 473 extern void AT91F_MCIDeviceWaitReady(unsigned int);
 474 extern int AT91F_MCI_ReadBlockSwab(AT91PS_MciDevice, int, unsigned int *, int);
 475
 476 int Program_From_MCI(void)
 477 {
 478   int i;
 479   unsigned int Max_Read_DataBlock_Length;
 480   int block = 0;
 481   int buffer = AT91C_DOWNLOAD_BASE_ADDRESS;
 482   int bufpos = AT91C_DOWNLOAD_BASE_ADDRESS;
 483   int NbPage = 0;
 484   struct trx_header *p;
 485
 486         p = (struct trx_header *)bufpos;
 487
 488         Max_Read_DataBlock_Length = MCI_Device.pMCI_DeviceFeatures->Max_Read_DataBlock_Length;
 489
 490         AT91F_MCIDeviceWaitReady(AT91C_MCI_TIMEOUT);
 491
 492   AT91F_MCI_ReadBlockSwab(&MCI_Device, block*Max_Read_DataBlock_Length, (unsigned int *)bufpos, Max_Read_DataBlock_Length);
 493
 494   if (p->magic != TRX_MAGIC) {
 495                 printf("Inv IMG 0x%08x\n", p->magic);
 496                 return FALSE;
 497                 }
 498
 499         printf("RDSD");
 500         AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC7 | AT91C_PIO_PC15 | AT91C_PIO_PC8 | AT91C_PIO_PC14;
 501         for (i=0; i<(p->len/512); i++) {
 502                 AT91F_MCI_ReadBlockSwab(&MCI_Device, block*Max_Read_DataBlock_Length, (unsigned int *)bufpos, Max_Read_DataBlock_Length);
 503                 block++;
 504                 bufpos += Max_Read_DataBlock_Length;
 505                 }
 506
 507         NbPage = 0;
 508         i = dataflash_info[0].Device.pages_number;
 509         while(i >>= 1)
 510                 NbPage++;
 511         i = ((p->offsets[1] - p->offsets[0])/ 512) + 1 + (NbPage << 13) + (dataflash_info[0].Device.pages_size << 17);
 512         *(int *)(buffer + p->offsets[0] + AT91C_OFFSET_VECT6) = i;
 513
 514         printf(" WDFB");
 515         AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC7 | AT91C_PIO_PC15 | AT91C_PIO_PC14;
 516         AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC8;
 517         write_dataflash(0xc0000000, buffer + p->offsets[0], p->offsets[1] - p->offsets[0]);
 518         printf(" WUB");
 519         AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC7 | AT91C_PIO_PC15;
 520         AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC8 | AT91C_PIO_PC14;
 521         write_dataflash(0xc0008000, buffer + p->offsets[1], p->offsets[2] - p->offsets[1]);
 522         printf(" WKRFS");
 523         AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC8 | AT91C_PIO_PC15;
 524         AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC7 | AT91C_PIO_PC14;
 525         write_dataflash(0xc0042000, buffer + p->offsets[2], p->len - p->offsets[2]);
 526         AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC8 | AT91C_PIO_PC14;
 527         AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC7 | AT91C_PIO_PC15;
 528         return TRUE;
 529 }
 530
 531 //*----------------------------------------------------------------------------
 532 //* Function Name       : main
 533 //* Object              : Main function
 534 //* Input Parameters    : none
 535 //* Output Parameters   : True
 536 //*----------------------------------------------------------------------------
 537 int main(void)
 538 {
 539 #ifdef XMODEM
 540         AT91PS_Buffer           pXmBuffer;
 541         AT91PS_SvcComm          pSvcXmodem;
 542 #endif
 543         AT91S_SvcTempo          svcBootTempo;    // Link to a AT91S_Tempo object
 544         unsigned int            ix;
 545         volatile unsigned int AddressToDownload, SizeToDownload;
 546         unsigned int DeviceAddress = 0;
 547         char command = 0;
 548 #ifdef XMODEM
 549         volatile int i = 0;
 550         unsigned int crc1 = 0, crc2 = 0;
 551         volatile int device;
 552         int NbPage;
 553 #endif
 554         volatile int Nb_Device = 0;
 555         int mci_present = 0;
 556
 557         pAT91 = AT91C_ROM_BOOT_ADDRESS;
 558
 559         if (!AT91F_SetPLL())
 560         {
 561                 printf("F SetPLL");
 562                 while(1);
 563         }
 564
 565         at91_init_uarts();
 566
 567         /* Tempo Initialisation */
 568         pAT91->OpenCtlTempo(&ctlTempo, (void *) &(pAT91->SYSTIMER_DESC));
 569         ctlTempo.CtlTempoStart((void *) &(pAT91->SYSTIMER_DESC));
 570
 571         // Attach the tempo to a tempo controler
 572         ctlTempo.CtlTempoCreate(&ctlTempo, &svcBootTempo);
 573 //      LED_init();
 574 //      LED_blink(2);
 575
 576 #ifdef XMODEM
 577         /* Xmodem Initialisation */
 578         pXmBuffer = pAT91->OpenSBuffer(&sXmBuffer);
 579         pSvcXmodem = pAT91->OpenSvcXmodem(&svcXmodem,
 580                      (AT91PS_USART)AT91C_BASE_DBGU, &ctlTempo);
 581         pAT91->OpenPipe(&xmodemPipe, pSvcXmodem, pXmBuffer);
 582 #endif
 583
 584         /* System Timer initialization */
 585         AT91F_AIC_ConfigureIt(
 586                 AT91C_BASE_AIC,                        // AIC base address
 587                 AT91C_ID_SYS,                          // System peripheral ID
 588                 AT91C_AIC_PRIOR_HIGHEST,               // Max priority
 589                 AT91C_AIC_SRCTYPE_INT_LEVEL_SENSITIVE, // Level sensitive
 590                 AT91F_ST_ASM_HANDLER
 591         );
 592         /* Enable ST interrupt */
 593         AT91F_AIC_EnableIt(AT91C_BASE_AIC, AT91C_ID_SYS);
 594
 595 #ifndef PRODTEST
 596         /* Start tempo to start Boot in a delay of
 597          * AT91C_DELAY_TO_BOOT sec if no key pressed */
 598         svcBootTempo.Start(&svcBootTempo, AT91C_DELAY_TO_BOOT,
 599                            0, AT91F_StartBoot, NULL);
 600 #endif
 601
 602         while(1)
 603         {
 604                 while(command == 0)
 605                 {
 606                         AddressToDownload = AT91C_DOWNLOAD_BASE_ADDRESS;
 607                         SizeToDownload = AT91C_DOWNLOAD_MAX_SIZE;
 608                         DeviceAddress = 0;
 609
 610                         /* try to detect Dataflash */
 611                         if (!Nb_Device)
 612                                 Nb_Device = AT91F_DataflashInit();
 613
 614                         mci_present = AT91F_DisplayMenu();
 615
 616 #ifdef PRODTEST
 617                         if (mci_present) {
 618                                 if (Program_From_MCI())
 619                                         AT91F_StartBoot();
 620                         }
 621 #endif
 622
 623                         message[0] = 0;
 624                         AT91F_ReadLine ("Enter: ", message);
 625
 626 #ifndef PRODTEST
 627                         /* stop tempo ==> stop autoboot */
 628                         svcBootTempo.Stop(&svcBootTempo);
 629 #endif
 630
 631                         command = message[0];
 632                         for(ix = 1; (message[ix] == ' ') && (ix < 12); ix++);   // Skip some whitespace
 633
 634                         if(!AsciiToHex(&message[ix], &DeviceAddress) )
 635                                 DeviceAddress = 0;                      // Illegal DeviceAddress
 636
 637                         switch(command)
 638                         {
 639 #ifdef XMODEM
 640                                 case '1':
 641                                 case '2':
 642                                 case '5':
 643                                         if(command == '1') {
 644                                                 DeviceAddress = 0xC0000000;
 645 //                                              printf("Download DataflashBoot.bin to [0x%x]\n", DeviceAddress);
 646                                         } else if(command == '2') {
 647                                                 DeviceAddress = AT91C_BOOT_DATAFLASH_ADDR;
 648 //                                              printf("Download u-boot.bin to [0x%x]\n", DeviceAddress);
 649                                         } else {
 650 //                                              printf("Download Dataflash to [0x%x]\n", DeviceAddress);
 651                                         }
 652                                         switch(DeviceAddress & 0xFF000000)
 653                                         {
 654                                                 case CFG_DATAFLASH_LOGIC_ADDR_CS0:
 655                                                         if (dataflash_info[0].id == 0){
 656                                                                 printf("No DF");
 657                                                                 AT91F_WaitKeyPressed();
 658                                                                 command = 0;
 659                                                         }
 660
 661                                                         device = 0;
 662                                                 break;
 663
 664                                                 case CFG_DATAFLASH_LOGIC_ADDR_CS3:
 665                                                         if (dataflash_info[1].id == 0){
 666                                                                 printf("No DF");
 667                                                                 AT91F_WaitKeyPressed();
 668                                                                 command = 0;
 669                                                         }
 670                                                         device = 1;
 671                                                 break;
 672
 673                                                 default:
 674                                                         command = 0;
 675                                                 break;
 676                                         }
 677                                 break;
 678 #endif
 679
 680                                 case '3':
 681                                         if (mci_present)
 682                                                 Program_From_MCI();
 683                                         command = 0;
 684                                         break;
 685
 686                                 case '4':
 687                                         AT91F_StartBoot();
 688                                         command = 0;
 689                                 break;
 690
 691 #ifdef MEMDISP
 692                                 case '6':
 693                                         do
 694                                         {
 695                                                 AT91F_MemoryDisplay(DeviceAddress, 256);
 696                                                 AT91F_ReadLine (NULL, message);
 697                                                 DeviceAddress += 0x100;
 698                                         }
 699                                         while(message[0] == '\0');
 700                                         command = 0;
 701                                 break;
 702 #endif
 703
 704                                 case '7':
 705                                         switch(DeviceAddress & 0xFF000000)
 706                                         {
 707                                                 case CFG_DATAFLASH_LOGIC_ADDR_CS0:
 708                                                         break;
 709                                                 case CFG_DATAFLASH_LOGIC_ADDR_CS3:
 710                                                         break;
 711                                                 default:
 712                                                         command = 0;
 713                                                         break;
 714                                         }
 715
 716                                         if (command != 0) {
 717                                                 AT91F_ReadLine ("RDY ERA\nSure?",
 718                                                                 message);
 719                                                 if(message[0] == 'Y' || message[0] == 'y') {
 720                                                         erase_dataflash(DeviceAddress & 0xFF000000);
 721 //                                                      printf("Erase complete\n\n");
 722                                                 }
 723 //                                              else
 724 //                                                      printf("Erase aborted\n");
 725                                         }
 726                                         command = 0;
 727
 728                                 break;
 729
 730                                 default:
 731                                         command = 0;
 732                                 break;
 733                         }
 734                 }
 735 #ifdef XMODEM
 736                 for(i = 0; i <= AT91C_DOWNLOAD_MAX_SIZE; i++)
 737                         *(unsigned char *)(AddressToDownload + i) = 0;
 738
 739                 xmodemPipe.Read(&xmodemPipe, (char *)AddressToDownload,
 740                                 SizeToDownload, XmodemProtocol, 0);
 741                 while(XmodemComplete !=1);
 742                 SizeToDownload = (unsigned int)((svcXmodem.pData) -
 743                                  (unsigned int)AddressToDownload);
 744
 745                 /* Modification of vector 6 */
 746                 if ((DeviceAddress == CFG_DATAFLASH_LOGIC_ADDR_CS0)) {
 747                         // Vector 6 must be compliant to the BootRom description (ref Datasheet)
 748                         NbPage = 0;
 749                 i = dataflash_info[device].Device.pages_number;
 750                 while(i >>= 1)
 751                         NbPage++;
 752                         i = (SizeToDownload / 512)+1 + (NbPage << 13) +
 753                             (dataflash_info[device].Device.pages_size << 17); //+4 to add crc32
 754                     SizeToDownload = 512 * (i &0xFF);
 755                 }
 756                 else
 757                 {
 758                         /* Save the contents of vector 6 ==> will be restored
 759                          * at boot time (AT91F_StartBoot) */
 760                         *(int *)(AddressToDownload + SizeToDownload + 4) =
 761                                 *(int *)(AddressToDownload + AT91C_OFFSET_VECT6);
 762                         /* Modify Vector 6 to contain the size of the
 763                          * file to copy (Dataflash -> SDRAM)*/
 764                         i = SizeToDownload;
 765                 }
 766
 767                 *(int *)(AddressToDownload + AT91C_OFFSET_VECT6) = i;
 768 //              printf("\nModification of Arm Vector 6 :%x\n", i);
 769
 770 //              printf("\nWrite %d bytes in DataFlash [0x%x]\n",SizeToDownload, DeviceAddress);
 771                 crc1 = 0;
 772                 pAT91->CRC32((const unsigned char *)AddressToDownload, SizeToDownload , &crc1);
 773
 774                 /* Add the crc32 at the end of the code */
 775                 *(char *)(AddressToDownload + SizeToDownload)     = (char)(crc1 & 0x000000FF);
 776                 *(char *)(AddressToDownload + SizeToDownload + 1) = (char)((crc1 & 0x0000FF00) >> 8);
 777                 *(char *)(AddressToDownload + SizeToDownload + 2) = (char)((crc1 & 0x00FF0000) >> 16);
 778                 *(char *)(AddressToDownload + SizeToDownload + 3) = (char)((crc1 & 0xFF000000) >> 24);
 779
 780                 /* write dataflash */
 781                 write_dataflash (DeviceAddress, AddressToDownload, (SizeToDownload + 8));
 782
 783                 /* clear the buffer before read */
 784                 for(i=0; i <= SizeToDownload; i++)
 785                         *(unsigned char *)(AddressToDownload + i) = 0;
 786
 787                 /* Read dataflash to check the validity of the data */
 788                 read_dataflash (DeviceAddress, (SizeToDownload + 4), (char *)(AddressToDownload));
 789
 790                 printf("VFY: ");
 791                 crc2 = 0;
 792
 793                 pAT91->CRC32((const unsigned char *)AddressToDownload, SizeToDownload , &crc2);
 794                 crc1 = (int)(*(char *)(AddressToDownload + SizeToDownload))          +
 795                            (int)(*(char *)(AddressToDownload + SizeToDownload + 1) << 8) +
 796                            (int)(*(char *)(AddressToDownload + SizeToDownload + 2) << 16) +
 797                            (int)(*(char *)(AddressToDownload + SizeToDownload + 3) << 24);
 798
 799                 if (crc1 != crc2)
 800                         printf("ERR");
 801                 else
 802                         printf("OK");
 803
 804                 command = 0;
 805                 XmodemComplete = 0;
 806                 AT91F_WaitKeyPressed();
 807 #endif
 808         }
 809 }
 810