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[openwrt.git] / target / linux / at91 / 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 0x237A3E5A // crystal= 18.432MHz - fixes BRG error at 115kbps
52 //#define AT91C_PLLA_VALUE 0x2026BE04 // crystal= 18.432MHz
53 //#define AT91C_PLLA_VALUE 0x202CBE01 // crystal= 4MHz
54
55
56
57 #define DISP_LINE_LEN 16
58
59 // Reason for boot failure
60 #define IMAGE_BAD_SIZE 0
61 #define IMAGE_READ_FAILURE 1
62 #define IMAGE_CRC_ERROR 2
63 #define IMAGE_ERROR 3
64 #define SUCCESS -1
65
66 /* prototypes*/
67 extern void AT91F_ST_ASM_HANDLER(void);
68 extern void Jump(unsigned int addr);
69
70 const char *menu_dataflash[] = {
71 #ifdef XMODEM
72 "1: P DFboot\n",
73 "2: P U-Boot\n",
74 #endif
75 "3: P SDCard\n",
76 #ifdef PAGESZ_1056
77 "4: R UBOOT\n",
78 #else
79 "4: R UBOOT\n",
80 #endif
81 #ifdef XMODEM
82 "5: P DF [addr]\n",
83 #endif
84 "6: RD DF [addr]\n",
85 "7: E DF\n"
86 };
87 #ifdef XMODEM
88 #define MAXMENU 7
89 #else
90 #define MAXMENU 4
91 #endif
92
93 char message[20];
94 #ifdef XMODEM
95 volatile char XmodemComplete = 0;
96 #endif
97 unsigned int StTick = 0;
98
99 AT91S_RomBoot const *pAT91;
100 #ifdef XMODEM
101 AT91S_SBuffer sXmBuffer;
102 AT91S_SvcXmodem svcXmodem;
103 AT91S_Pipe xmodemPipe;
104 #endif
105 AT91S_CtlTempo ctlTempo;
106
107
108 //*--------------------------------------------------------------------------------------
109 //* Function Name : GetTickCount()
110 //* Object : Return the number of systimer tick
111 //* Input Parameters :
112 //* Output Parameters :
113 //*--------------------------------------------------------------------------------------
114 unsigned int GetTickCount(void)
115 {
116 return StTick;
117 }
118
119 #ifdef XMODEM
120 //*--------------------------------------------------------------------------------------
121 //* Function Name : AT91_XmodemComplete()
122 //* Object : Perform the remap and jump to appli in RAM
123 //* Input Parameters :
124 //* Output Parameters :
125 //*--------------------------------------------------------------------------------------
126 static void AT91_XmodemComplete(AT91S_PipeStatus status, void *pVoid)
127 {
128 /* stop the Xmodem tempo */
129 svcXmodem.tempo.Stop(&(svcXmodem.tempo));
130 XmodemComplete = 1;
131 }
132
133
134 //*--------------------------------------------------------------------------------------
135 //* Function Name : AT91F_XmodemProtocol(AT91S_PipeStatus status, void *pVoid)
136 //* Object : Xmodem dispatcher
137 //* Input Parameters :
138 //* Output Parameters :
139 //*--------------------------------------------------------------------------------------
140 static void XmodemProtocol(AT91S_PipeStatus status, void *pVoid)
141 {
142 AT91PS_SBuffer pSBuffer = (AT91PS_SBuffer) xmodemPipe.pBuffer->pChild;
143 AT91PS_USART pUsart = svcXmodem.pUsart;
144
145 if (pSBuffer->szRdBuffer == 0) {
146 /* Start a tempo to wait the Xmodem protocol complete */
147 svcXmodem.tempo.Start(&(svcXmodem.tempo), 10, 0, AT91_XmodemComplete, pUsart);
148 }
149 }
150 #endif
151
152 //*--------------------------------------------------------------------------------------
153 //* Function Name : irq1_c_handler()
154 //* Object : C Interrupt handler for Interrutp source 1
155 //* Input Parameters : none
156 //* Output Parameters : none
157 //*--------------------------------------------------------------------------------------
158 void AT91F_ST_HANDLER(void)
159 {
160 volatile unsigned int csr = *AT91C_DBGU_CSR;
161 #ifdef XMODEM
162 unsigned int error;
163 #endif
164
165 if (AT91C_BASE_ST->ST_SR & 0x01) {
166 StTick++;
167 ctlTempo.CtlTempoTick(&ctlTempo);
168 return;
169 }
170
171 #ifdef XMODEM
172 error = AT91F_US_Error((AT91PS_USART)AT91C_BASE_DBGU);
173 if (csr & error) {
174 /* Stop previous Xmodem transmition*/
175 *(AT91C_DBGU_CR) = AT91C_US_RSTSTA;
176 AT91F_US_DisableIt((AT91PS_USART)AT91C_BASE_DBGU, AT91C_US_ENDRX);
177 AT91F_US_EnableIt((AT91PS_USART)AT91C_BASE_DBGU, AT91C_US_RXRDY);
178
179 }
180
181 else if (csr & (AT91C_US_TXRDY | AT91C_US_ENDTX | AT91C_US_TXEMPTY |
182 AT91C_US_RXRDY | AT91C_US_ENDRX | AT91C_US_TIMEOUT |
183 AT91C_US_RXBUFF)) {
184 if ( !(svcXmodem.eot) )
185 svcXmodem.Handler(&svcXmodem, csr);
186 }
187 #endif
188 }
189
190
191 //*-----------------------------------------------------------------------------
192 //* Function Name : AT91F_DisplayMenu()
193 //* Object :
194 //* Input Parameters :
195 //* Return value :
196 //*-----------------------------------------------------------------------------
197 static int AT91F_DisplayMenu(void)
198 {
199 int i, mci_present = 0;
200 printf("\nDF LOADER %s %s %s\n",AT91C_VERSION,__DATE__,__TIME__);
201 AT91F_DataflashPrintInfo();
202 mci_present = AT91F_MCI_Init();
203 for(i = 0; i < MAXMENU; i++) {
204 puts(menu_dataflash[i]);
205 }
206 return mci_present;
207 }
208
209
210 //*-----------------------------------------------------------------------------
211 //* Function Name : AsciiToHex()
212 //* Object : ascii to hexa conversion
213 //* Input Parameters :
214 //* Return value :
215 //*-----------------------------------------------------------------------------
216 static unsigned int AsciiToHex(char *s, unsigned int *val)
217 {
218 int n;
219
220 *val=0;
221
222 if(s[0] == '0' && ((s[1] == 'x') || (s[1] == 'X')))
223 s+=2;
224 n = 0;
225 while((n < 8) && (s[n] !=0))
226 {
227 *val <<= 4;
228 if ( (s[n] >= '0') && (s[n] <='9'))
229 *val += (s[n] - '0');
230 else
231 if ((s[n] >= 'a') && (s[n] <='f'))
232 *val += (s[n] - 0x57);
233 else
234 if ((s[n] >= 'A') && (s[n] <='F'))
235 *val += (s[n] - 0x37);
236 else
237 return 0;
238 n++;
239 }
240
241 return 1;
242 }
243
244
245 #ifdef MEMDISP
246 //*-----------------------------------------------------------------------------
247 //* Function Name : AT91F_MemoryDisplay()
248 //* Object : Display the content of the dataflash
249 //* Input Parameters :
250 //* Return value :
251 //*-----------------------------------------------------------------------------
252 static int AT91F_MemoryDisplay(unsigned int addr, unsigned int length)
253 {
254 unsigned long i, nbytes, linebytes;
255 char *cp;
256 // unsigned int *uip;
257 // unsigned short *usp;
258 unsigned char *ucp;
259 char linebuf[DISP_LINE_LEN];
260
261 // nbytes = length * size;
262 nbytes = length;
263 do
264 {
265 // uip = (unsigned int *)linebuf;
266 // usp = (unsigned short *)linebuf;
267 ucp = (unsigned char *)linebuf;
268
269 printf("%08x:", addr);
270 linebytes = (nbytes > DISP_LINE_LEN)?DISP_LINE_LEN:nbytes;
271 if((addr & 0xF0000000) == 0x20000000) {
272 for(i = 0; i < linebytes; i ++) {
273 linebuf[i] = *(char *)(addr+i);
274 }
275 } else {
276 read_dataflash(addr, linebytes, linebuf);
277 }
278 for (i=0; i<linebytes; i++)
279 {
280 /* if (size == 4)
281 printf(" %08x", *uip++);
282 else if (size == 2)
283 printf(" %04x", *usp++);
284 else
285 */
286 printf(" %02x", *ucp++);
287 // addr += size;
288 addr++;
289 }
290 printf(" ");
291 cp = linebuf;
292 for (i=0; i<linebytes; i++) {
293 if ((*cp < 0x20) || (*cp > 0x7e))
294 printf(".");
295 else
296 printf("%c", *cp);
297 cp++;
298 }
299 printf("\n");
300 nbytes -= linebytes;
301 } while (nbytes > 0);
302 return 0;
303 }
304 #endif
305
306 //*--------------------------------------------------------------------------------------
307 //* Function Name : AT91F_SetPLL
308 //* Object : Set the PLLA to 180Mhz and Master clock to 60 Mhz
309 //* Input Parameters :
310 //* Output Parameters :
311 //*--------------------------------------------------------------------------------------
312 static unsigned int AT91F_SetPLL(void)
313 {
314 AT91_REG tmp;
315 AT91PS_PMC pPmc = AT91C_BASE_PMC;
316 AT91PS_CKGR pCkgr = AT91C_BASE_CKGR;
317
318 pPmc->PMC_IDR = 0xFFFFFFFF;
319
320 /* -Setup the PLL A */
321 pCkgr->CKGR_PLLAR = AT91C_PLLA_VALUE;
322
323 while (!(*AT91C_PMC_SR & AT91C_PMC_LOCKA));
324
325 /* - Switch Master Clock from PLLB to PLLA/3 */
326 tmp = pPmc->PMC_MCKR;
327 /* See Atmel Errata #27 and #28 */
328 if (tmp & 0x0000001C) {
329 tmp = (tmp & ~0x0000001C);
330 pPmc->PMC_MCKR = tmp;
331 while (!(*AT91C_PMC_SR & AT91C_PMC_MCKRDY));
332 }
333 if (tmp != 0x00000202) {
334 pPmc->PMC_MCKR = 0x00000202;
335 if ((tmp & 0x00000003) != 0x00000002)
336 while (!(*AT91C_PMC_SR & AT91C_PMC_MCKRDY));
337 }
338
339 return 1;
340 }
341
342
343 //*--------------------------------------------------------------------------------------
344 //* Function Name : AT91F_ResetRegisters
345 //* Object : Restore the initial state to registers
346 //* Input Parameters :
347 //* Output Parameters :
348 //*--------------------------------------------------------------------------------------
349 static unsigned int AT91F_ResetRegisters(void)
350 {
351 volatile int i = 0;
352
353 /* set the PIOs in input*/
354 /* This disables the UART output, so dont execute for now*/
355
356 #ifndef DEBUGOUT
357 *AT91C_PIOA_ODR = 0xFFFFFFFF; /* Disables all the output pins */
358 *AT91C_PIOA_PER = 0xFFFFFFFF; /* Enables the PIO to control all the pins */
359 #endif
360
361 AT91F_AIC_DisableIt (AT91C_BASE_AIC, AT91C_ID_SYS);
362 /* close all peripheral clocks */
363
364 #ifndef DEBUGOUT
365 AT91C_BASE_PMC->PMC_PCDR = 0xFFFFFFFC;
366 #endif
367 /* Disable core interrupts and set supervisor mode */
368 __asm__ ("msr CPSR_c, #0xDF"); //* ARM_MODE_SYS(0x1F) | I_BIT(0x80) | F_BIT(0x40)
369 /* Clear all the interrupts */
370 *AT91C_AIC_ICCR = 0xffffffff;
371
372 /* read the AIC_IVR and AIC_FVR */
373 i = *AT91C_AIC_IVR;
374 i = *AT91C_AIC_FVR;
375
376 /* write the end of interrupt control register */
377 *AT91C_AIC_EOICR = 0;
378
379 return 1;
380 }
381
382
383 static int AT91F_LoadBoot(void)
384 {
385 // volatile unsigned int crc1 = 0, crc2 = 0;
386 volatile unsigned int SizeToDownload = 0x21400;
387 volatile unsigned int AddressToDownload = AT91C_BOOT_ADDR;
388
389 #if 0
390 /* Read vector 6 to extract size to load */
391 if (read_dataflash(AT91C_BOOT_DATAFLASH_ADDR, 32,
392 (char *)AddressToDownload) != AT91C_DATAFLASH_OK)
393 {
394 printf("Bad Code Size\n");
395 return IMAGE_BAD_SIZE;
396 }
397 /* calculate the size to download */
398 SizeToDownload = *(int *)(AddressToDownload + AT91C_OFFSET_VECT6);
399 #endif
400
401 // printf("\nLoad UBOOT from dataflash[%x] to SDRAM[%x]\n",
402 // AT91C_BOOT_DATAFLASH_ADDR, AT91C_BOOT_ADDR);
403 if (read_dataflash(AT91C_BOOT_DATAFLASH_ADDR, SizeToDownload + 8,
404 (char *)AddressToDownload) != AT91C_DATAFLASH_OK)
405 {
406 printf("F DF RD\n");
407 return IMAGE_READ_FAILURE;
408 }
409 #if 0
410 pAT91->CRC32((const unsigned char *)AT91C_BOOT_ADDR,
411 (unsigned int)SizeToDownload , (unsigned int *)&crc2);
412 crc1 = (int)(*(char *)(AddressToDownload + SizeToDownload)) +
413 (int)(*(char *)(AddressToDownload + SizeToDownload + 1) << 8) +
414 (int)(*(char *)(AddressToDownload + SizeToDownload + 2) << 16) +
415 (int)(*(char *)(AddressToDownload + SizeToDownload + 3) << 24);
416
417 /* Restore the value of Vector 6 */
418 *(int *)(AddressToDownload + AT91C_OFFSET_VECT6) =
419 *(int *)(AddressToDownload + SizeToDownload + 4);
420
421 if (crc1 != crc2) {
422 printf("DF CRC bad %x != %x\n",crc1,crc2);
423 return IMAGE_CRC_ERROR;
424 }
425 #endif
426 return SUCCESS;
427 }
428
429 static int AT91F_StartBoot(void)
430 {
431 int sts;
432 if((sts = AT91F_LoadBoot()) != SUCCESS) return sts;
433 // printf("\n");
434 // printf("PLLA[180MHz], MCK[60Mhz] ==> Start UBOOT\n");
435 if (AT91F_ResetRegisters())
436 {
437 printf("Jump");
438 Jump(AT91C_BOOT_ADDR);
439 // LED_blink(0);
440 }
441 return IMAGE_ERROR;
442 }
443
444 #if 0
445 static void AT91F_RepeatedStartBoot(void)
446 {
447 int i;
448 for(i = 0; i < CRC_RETRIES; i++) {
449 if(AT91F_StartBoot() != IMAGE_CRC_ERROR){
450 // LED_blink(1);
451 return;
452 }
453 }
454 return;
455 }
456 #endif
457
458 #define TRUE 1
459 #define FALSE 0
460 #define TRX_MAGIC 0x30524448 /* "HDR0" */
461 #define TRX_VERSION 1
462
463 struct trx_header {
464 unsigned int magic;
465 unsigned int len;
466 unsigned int crc32;
467 unsigned int flag_version;
468 unsigned int offsets[3];
469 };
470
471 #define AT91C_MCI_TIMEOUT 1000000
472
473 extern AT91S_MciDevice MCI_Device;
474 extern void AT91F_MCIDeviceWaitReady(unsigned int);
475 extern int AT91F_MCI_ReadBlockSwab(AT91PS_MciDevice, int, unsigned int *, int);
476
477 int Program_From_MCI(void)
478 {
479 int i;
480 unsigned int Max_Read_DataBlock_Length;
481 int block = 0;
482 int buffer = AT91C_DOWNLOAD_BASE_ADDRESS;
483 int bufpos = AT91C_DOWNLOAD_BASE_ADDRESS;
484 int NbPage = 0;
485 struct trx_header *p;
486
487 p = (struct trx_header *)bufpos;
488
489 Max_Read_DataBlock_Length = MCI_Device.pMCI_DeviceFeatures->Max_Read_DataBlock_Length;
490
491 AT91F_MCIDeviceWaitReady(AT91C_MCI_TIMEOUT);
492
493 AT91F_MCI_ReadBlockSwab(&MCI_Device, block*Max_Read_DataBlock_Length, (unsigned int *)bufpos, Max_Read_DataBlock_Length);
494
495 if (p->magic != TRX_MAGIC) {
496 printf("Inv IMG 0x%08x\n", p->magic);
497 return FALSE;
498 }
499
500 printf("RDSD");
501 AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC7 | AT91C_PIO_PC15 | AT91C_PIO_PC8 | AT91C_PIO_PC14;
502 for (i=0; i<(p->len/512); i++) {
503 AT91F_MCI_ReadBlockSwab(&MCI_Device, block*Max_Read_DataBlock_Length, (unsigned int *)bufpos, Max_Read_DataBlock_Length);
504 block++;
505 bufpos += Max_Read_DataBlock_Length;
506 }
507
508 NbPage = 0;
509 i = dataflash_info[0].Device.pages_number;
510 while(i >>= 1)
511 NbPage++;
512 i = ((p->offsets[1] - p->offsets[0])/ 512) + 1 + (NbPage << 13) + (dataflash_info[0].Device.pages_size << 17);
513 *(int *)(buffer + p->offsets[0] + AT91C_OFFSET_VECT6) = i;
514
515 printf(" WDFB");
516 AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC7 | AT91C_PIO_PC15 | AT91C_PIO_PC14;
517 AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC8;
518 write_dataflash(0xc0000000, buffer + p->offsets[0], p->offsets[1] - p->offsets[0]);
519 printf(" WUB");
520 AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC7 | AT91C_PIO_PC15;
521 AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC8 | AT91C_PIO_PC14;
522 write_dataflash(0xc0008000, buffer + p->offsets[1], p->offsets[2] - p->offsets[1]);
523 printf(" WKRFS");
524 AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC8 | AT91C_PIO_PC15;
525 AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC7 | AT91C_PIO_PC14;
526 write_dataflash(0xc0042000, buffer + p->offsets[2], p->len - p->offsets[2]);
527 AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC8 | AT91C_PIO_PC14;
528 AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC7 | AT91C_PIO_PC15;
529 return TRUE;
530 }
531
532 //*----------------------------------------------------------------------------
533 //* Function Name : main
534 //* Object : Main function
535 //* Input Parameters : none
536 //* Output Parameters : True
537 //*----------------------------------------------------------------------------
538 int main(void)
539 {
540 #ifdef XMODEM
541 AT91PS_Buffer pXmBuffer;
542 AT91PS_SvcComm pSvcXmodem;
543 #endif
544 AT91S_SvcTempo svcBootTempo; // Link to a AT91S_Tempo object
545 unsigned int ix;
546 volatile unsigned int AddressToDownload, SizeToDownload;
547 unsigned int DeviceAddress = 0;
548 char command = 0;
549 #ifdef XMODEM
550 volatile int i = 0;
551 unsigned int crc1 = 0, crc2 = 0;
552 volatile int device;
553 int NbPage;
554 #endif
555 volatile int Nb_Device = 0;
556 int mci_present = 0;
557
558 pAT91 = AT91C_ROM_BOOT_ADDRESS;
559
560 if (!AT91F_SetPLL())
561 {
562 printf("F SetPLL");
563 while(1);
564 }
565
566 at91_init_uarts();
567
568 /* Tempo Initialisation */
569 pAT91->OpenCtlTempo(&ctlTempo, (void *) &(pAT91->SYSTIMER_DESC));
570 ctlTempo.CtlTempoStart((void *) &(pAT91->SYSTIMER_DESC));
571
572 // Attach the tempo to a tempo controler
573 ctlTempo.CtlTempoCreate(&ctlTempo, &svcBootTempo);
574 // LED_init();
575 // LED_blink(2);
576
577 #ifdef XMODEM
578 /* Xmodem Initialisation */
579 pXmBuffer = pAT91->OpenSBuffer(&sXmBuffer);
580 pSvcXmodem = pAT91->OpenSvcXmodem(&svcXmodem,
581 (AT91PS_USART)AT91C_BASE_DBGU, &ctlTempo);
582 pAT91->OpenPipe(&xmodemPipe, pSvcXmodem, pXmBuffer);
583 #endif
584
585 /* System Timer initialization */
586 AT91F_AIC_ConfigureIt(
587 AT91C_BASE_AIC, // AIC base address
588 AT91C_ID_SYS, // System peripheral ID
589 AT91C_AIC_PRIOR_HIGHEST, // Max priority
590 AT91C_AIC_SRCTYPE_INT_LEVEL_SENSITIVE, // Level sensitive
591 AT91F_ST_ASM_HANDLER
592 );
593 /* Enable ST interrupt */
594 AT91F_AIC_EnableIt(AT91C_BASE_AIC, AT91C_ID_SYS);
595
596 #ifndef PRODTEST
597 /* Start tempo to start Boot in a delay of
598 * AT91C_DELAY_TO_BOOT sec if no key pressed */
599 svcBootTempo.Start(&svcBootTempo, AT91C_DELAY_TO_BOOT,
600 0, AT91F_StartBoot, NULL);
601 #endif
602
603 while(1)
604 {
605 while(command == 0)
606 {
607 AddressToDownload = AT91C_DOWNLOAD_BASE_ADDRESS;
608 SizeToDownload = AT91C_DOWNLOAD_MAX_SIZE;
609 DeviceAddress = 0;
610
611 /* try to detect Dataflash */
612 if (!Nb_Device)
613 Nb_Device = AT91F_DataflashInit();
614
615 mci_present = AT91F_DisplayMenu();
616
617 #ifdef PRODTEST
618 if (mci_present) {
619 if (Program_From_MCI())
620 AT91F_StartBoot();
621 }
622 #endif
623
624 message[0] = 0;
625 AT91F_ReadLine ("Enter: ", message);
626
627 #ifndef PRODTEST
628 /* stop tempo ==> stop autoboot */
629 svcBootTempo.Stop(&svcBootTempo);
630 #endif
631
632 command = message[0];
633 for(ix = 1; (message[ix] == ' ') && (ix < 12); ix++); // Skip some whitespace
634
635 if(!AsciiToHex(&message[ix], &DeviceAddress) )
636 DeviceAddress = 0; // Illegal DeviceAddress
637
638 switch(command)
639 {
640 #ifdef XMODEM
641 case '1':
642 case '2':
643 case '5':
644 if(command == '1') {
645 DeviceAddress = 0xC0000000;
646 // printf("Download DataflashBoot.bin to [0x%x]\n", DeviceAddress);
647 } else if(command == '2') {
648 DeviceAddress = AT91C_BOOT_DATAFLASH_ADDR;
649 // printf("Download u-boot.bin to [0x%x]\n", DeviceAddress);
650 } else {
651 // printf("Download Dataflash to [0x%x]\n", DeviceAddress);
652 }
653 switch(DeviceAddress & 0xFF000000)
654 {
655 case CFG_DATAFLASH_LOGIC_ADDR_CS0:
656 if (dataflash_info[0].id == 0){
657 printf("No DF");
658 AT91F_WaitKeyPressed();
659 command = 0;
660 }
661
662 device = 0;
663 break;
664
665 case CFG_DATAFLASH_LOGIC_ADDR_CS3:
666 if (dataflash_info[1].id == 0){
667 printf("No DF");
668 AT91F_WaitKeyPressed();
669 command = 0;
670 }
671 device = 1;
672 break;
673
674 default:
675 command = 0;
676 break;
677 }
678 break;
679 #endif
680
681 case '3':
682 if (mci_present)
683 Program_From_MCI();
684 command = 0;
685 break;
686
687 case '4':
688 AT91F_StartBoot();
689 command = 0;
690 break;
691
692 #ifdef MEMDISP
693 case '6':
694 do
695 {
696 AT91F_MemoryDisplay(DeviceAddress, 256);
697 AT91F_ReadLine (NULL, message);
698 DeviceAddress += 0x100;
699 }
700 while(message[0] == '\0');
701 command = 0;
702 break;
703 #endif
704
705 case '7':
706 switch(DeviceAddress & 0xFF000000)
707 {
708 case CFG_DATAFLASH_LOGIC_ADDR_CS0:
709 break;
710 case CFG_DATAFLASH_LOGIC_ADDR_CS3:
711 break;
712 default:
713 command = 0;
714 break;
715 }
716
717 if (command != 0) {
718 AT91F_ReadLine ("RDY ERA\nSure?",
719 message);
720 if(message[0] == 'Y' || message[0] == 'y') {
721 erase_dataflash(DeviceAddress & 0xFF000000);
722 // printf("Erase complete\n\n");
723 }
724 // else
725 // printf("Erase aborted\n");
726 }
727 command = 0;
728
729 break;
730
731 default:
732 command = 0;
733 break;
734 }
735 }
736 #ifdef XMODEM
737 for(i = 0; i <= AT91C_DOWNLOAD_MAX_SIZE; i++)
738 *(unsigned char *)(AddressToDownload + i) = 0;
739
740 xmodemPipe.Read(&xmodemPipe, (char *)AddressToDownload,
741 SizeToDownload, XmodemProtocol, 0);
742 while(XmodemComplete !=1);
743 SizeToDownload = (unsigned int)((svcXmodem.pData) -
744 (unsigned int)AddressToDownload);
745
746 /* Modification of vector 6 */
747 if ((DeviceAddress == CFG_DATAFLASH_LOGIC_ADDR_CS0)) {
748 // Vector 6 must be compliant to the BootRom description (ref Datasheet)
749 NbPage = 0;
750 i = dataflash_info[device].Device.pages_number;
751 while(i >>= 1)
752 NbPage++;
753 i = (SizeToDownload / 512)+1 + (NbPage << 13) +
754 (dataflash_info[device].Device.pages_size << 17); //+4 to add crc32
755 SizeToDownload = 512 * (i &0xFF);
756 }
757 else
758 {
759 /* Save the contents of vector 6 ==> will be restored
760 * at boot time (AT91F_StartBoot) */
761 *(int *)(AddressToDownload + SizeToDownload + 4) =
762 *(int *)(AddressToDownload + AT91C_OFFSET_VECT6);
763 /* Modify Vector 6 to contain the size of the
764 * file to copy (Dataflash -> SDRAM)*/
765 i = SizeToDownload;
766 }
767
768 *(int *)(AddressToDownload + AT91C_OFFSET_VECT6) = i;
769 // printf("\nModification of Arm Vector 6 :%x\n", i);
770
771 // printf("\nWrite %d bytes in DataFlash [0x%x]\n",SizeToDownload, DeviceAddress);
772 crc1 = 0;
773 pAT91->CRC32((const unsigned char *)AddressToDownload, SizeToDownload , &crc1);
774
775 /* Add the crc32 at the end of the code */
776 *(char *)(AddressToDownload + SizeToDownload) = (char)(crc1 & 0x000000FF);
777 *(char *)(AddressToDownload + SizeToDownload + 1) = (char)((crc1 & 0x0000FF00) >> 8);
778 *(char *)(AddressToDownload + SizeToDownload + 2) = (char)((crc1 & 0x00FF0000) >> 16);
779 *(char *)(AddressToDownload + SizeToDownload + 3) = (char)((crc1 & 0xFF000000) >> 24);
780
781 /* write dataflash */
782 write_dataflash (DeviceAddress, AddressToDownload, (SizeToDownload + 8));
783
784 /* clear the buffer before read */
785 for(i=0; i <= SizeToDownload; i++)
786 *(unsigned char *)(AddressToDownload + i) = 0;
787
788 /* Read dataflash to check the validity of the data */
789 read_dataflash (DeviceAddress, (SizeToDownload + 4), (char *)(AddressToDownload));
790
791 printf("VFY: ");
792 crc2 = 0;
793
794 pAT91->CRC32((const unsigned char *)AddressToDownload, SizeToDownload , &crc2);
795 crc1 = (int)(*(char *)(AddressToDownload + SizeToDownload)) +
796 (int)(*(char *)(AddressToDownload + SizeToDownload + 1) << 8) +
797 (int)(*(char *)(AddressToDownload + SizeToDownload + 2) << 16) +
798 (int)(*(char *)(AddressToDownload + SizeToDownload + 3) << 24);
799
800 if (crc1 != crc2)
801 printf("ERR");
802 else
803 printf("OK");
804
805 command = 0;
806 XmodemComplete = 0;
807 AT91F_WaitKeyPressed();
808 #endif
809 }
810 }
811
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