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Diffstat (limited to 'target/linux/at91-2.6/image/dfboot/src/main.c')
-rw-r--r--target/linux/at91-2.6/image/dfboot/src/main.c810
1 files changed, 810 insertions, 0 deletions
diff --git a/target/linux/at91-2.6/image/dfboot/src/main.c b/target/linux/at91-2.6/image/dfboot/src/main.c
new file mode 100644
index 0000000000..f2747e3f3f
--- /dev/null
+++ b/target/linux/at91-2.6/image/dfboot/src/main.c
@@ -0,0 +1,810 @@
+/*----------------------------------------------------------------------------
+ * ATMEL Microcontroller Software Support - ROUSSET -
+ *----------------------------------------------------------------------------
+ * The software is delivered "AS IS" without warranty or condition of any
+ * kind, either express, implied or statutory. This includes without
+ * limitation any warranty or condition with respect to merchantability or
+ * fitness for any particular purpose, or against the infringements of
+ * intellectual property rights of others.
+ *----------------------------------------------------------------------------
+ * File Name : main.c
+ * Object :
+ * Creation : HIi 10/10/2003
+ * Modif : HIi 15/06/2004 : add crc32 to verify the download
+ * from dataflash
+ * : HIi 21/09/2004 : Set first PLLA to 180Mhz and MCK to
+ * 60Mhz to speed up dataflash boot (15Mhz)
+ * : MLC 12/04/2005 : Modify SetPLL() to avoid errata
+ * : USA 30/12/2005 : Change to page Size 1056
+ * Change startaddress to C0008400
+ * Change SPI Speed to ~4 Mhz
+ * Add retry on CRC Error
+ *----------------------------------------------------------------------------
+ */
+#include "config.h"
+#include "stdio.h"
+#include "AT91RM9200.h"
+#include "lib_AT91RM9200.h"
+#include "com.h"
+#include "main.h"
+#include "dataflash.h"
+#include "AT91C_MCI_Device.h"
+
+#define DEBUGOUT
+#define XMODEM
+#define MEMDISP
+
+#ifdef PAGESZ_1056
+#define PAGESIZE 1056
+#else
+#define PAGESIZE 1024
+#endif
+
+#define AT91C_SDRAM_START 0x20000000
+#define AT91C_BOOT_ADDR 0x21F00000
+#define AT91C_BOOT_SIZE 128*PAGESIZE
+#ifdef PAGESZ_1056
+#define AT91C_BOOT_DATAFLASH_ADDR 0xC0008400
+#else
+#define AT91C_BOOT_DATAFLASH_ADDR 0xC0008000
+#endif
+#define AT91C_PLLA_VALUE 0x2026BE04 // crystal= 18.432MHz
+//#define AT91C_PLLA_VALUE 0x202CBE01 // crystal= 4MHz
+
+
+
+#define DISP_LINE_LEN 16
+
+// Reason for boot failure
+#define IMAGE_BAD_SIZE 0
+#define IMAGE_READ_FAILURE 1
+#define IMAGE_CRC_ERROR 2
+#define IMAGE_ERROR 3
+#define SUCCESS -1
+
+/* prototypes*/
+extern void AT91F_ST_ASM_HANDLER(void);
+extern void Jump(unsigned int addr);
+
+const char *menu_dataflash[] = {
+#ifdef XMODEM
+ "1: P DFboot\n",
+ "2: P U-Boot\n",
+#endif
+ "3: P SDCard\n",
+#ifdef PAGESZ_1056
+ "4: R UBOOT\n",
+#else
+ "4: R UBOOT\n",
+#endif
+#ifdef XMODEM
+ "5: P DF [addr]\n",
+#endif
+ "6: RD DF [addr]\n",
+ "7: E DF\n"
+};
+#ifdef XMODEM
+#define MAXMENU 7
+#else
+#define MAXMENU 4
+#endif
+
+char message[20];
+#ifdef XMODEM
+volatile char XmodemComplete = 0;
+#endif
+unsigned int StTick = 0;
+
+AT91S_RomBoot const *pAT91;
+#ifdef XMODEM
+AT91S_SBuffer sXmBuffer;
+AT91S_SvcXmodem svcXmodem;
+AT91S_Pipe xmodemPipe;
+#endif
+AT91S_CtlTempo ctlTempo;
+
+
+//*--------------------------------------------------------------------------------------
+//* Function Name : GetTickCount()
+//* Object : Return the number of systimer tick
+//* Input Parameters :
+//* Output Parameters :
+//*--------------------------------------------------------------------------------------
+unsigned int GetTickCount(void)
+{
+ return StTick;
+}
+
+#ifdef XMODEM
+//*--------------------------------------------------------------------------------------
+//* Function Name : AT91_XmodemComplete()
+//* Object : Perform the remap and jump to appli in RAM
+//* Input Parameters :
+//* Output Parameters :
+//*--------------------------------------------------------------------------------------
+static void AT91_XmodemComplete(AT91S_PipeStatus status, void *pVoid)
+{
+ /* stop the Xmodem tempo */
+ svcXmodem.tempo.Stop(&(svcXmodem.tempo));
+ XmodemComplete = 1;
+}
+
+
+//*--------------------------------------------------------------------------------------
+//* Function Name : AT91F_XmodemProtocol(AT91S_PipeStatus status, void *pVoid)
+//* Object : Xmodem dispatcher
+//* Input Parameters :
+//* Output Parameters :
+//*--------------------------------------------------------------------------------------
+static void XmodemProtocol(AT91S_PipeStatus status, void *pVoid)
+{
+ AT91PS_SBuffer pSBuffer = (AT91PS_SBuffer) xmodemPipe.pBuffer->pChild;
+ AT91PS_USART pUsart = svcXmodem.pUsart;
+
+ if (pSBuffer->szRdBuffer == 0) {
+ /* Start a tempo to wait the Xmodem protocol complete */
+ svcXmodem.tempo.Start(&(svcXmodem.tempo), 10, 0, AT91_XmodemComplete, pUsart);
+ }
+}
+#endif
+
+//*--------------------------------------------------------------------------------------
+//* Function Name : irq1_c_handler()
+//* Object : C Interrupt handler for Interrutp source 1
+//* Input Parameters : none
+//* Output Parameters : none
+//*--------------------------------------------------------------------------------------
+void AT91F_ST_HANDLER(void)
+{
+ volatile unsigned int csr = *AT91C_DBGU_CSR;
+#ifdef XMODEM
+ unsigned int error;
+#endif
+
+ if (AT91C_BASE_ST->ST_SR & 0x01) {
+ StTick++;
+ ctlTempo.CtlTempoTick(&ctlTempo);
+ return;
+ }
+
+#ifdef XMODEM
+ error = AT91F_US_Error((AT91PS_USART)AT91C_BASE_DBGU);
+ if (csr & error) {
+ /* Stop previous Xmodem transmition*/
+ *(AT91C_DBGU_CR) = AT91C_US_RSTSTA;
+ AT91F_US_DisableIt((AT91PS_USART)AT91C_BASE_DBGU, AT91C_US_ENDRX);
+ AT91F_US_EnableIt((AT91PS_USART)AT91C_BASE_DBGU, AT91C_US_RXRDY);
+
+ }
+
+ else if (csr & (AT91C_US_TXRDY | AT91C_US_ENDTX | AT91C_US_TXEMPTY |
+ AT91C_US_RXRDY | AT91C_US_ENDRX | AT91C_US_TIMEOUT |
+ AT91C_US_RXBUFF)) {
+ if ( !(svcXmodem.eot) )
+ svcXmodem.Handler(&svcXmodem, csr);
+ }
+#endif
+}
+
+
+//*-----------------------------------------------------------------------------
+//* Function Name : AT91F_DisplayMenu()
+//* Object :
+//* Input Parameters :
+//* Return value :
+//*-----------------------------------------------------------------------------
+static int AT91F_DisplayMenu(void)
+{
+ int i, mci_present = 0;
+ printf("\nDF LOADER %s %s %s\n",AT91C_VERSION,__DATE__,__TIME__);
+ AT91F_DataflashPrintInfo();
+ mci_present = AT91F_MCI_Init();
+ for(i = 0; i < MAXMENU; i++) {
+ puts(menu_dataflash[i]);
+ }
+ return mci_present;
+}
+
+
+//*-----------------------------------------------------------------------------
+//* Function Name : AsciiToHex()
+//* Object : ascii to hexa conversion
+//* Input Parameters :
+//* Return value :
+//*-----------------------------------------------------------------------------
+static unsigned int AsciiToHex(char *s, unsigned int *val)
+{
+ int n;
+
+ *val=0;
+
+ if(s[0] == '0' && ((s[1] == 'x') || (s[1] == 'X')))
+ s+=2;
+ n = 0;
+ while((n < 8) && (s[n] !=0))
+ {
+ *val <<= 4;
+ if ( (s[n] >= '0') && (s[n] <='9'))
+ *val += (s[n] - '0');
+ else
+ if ((s[n] >= 'a') && (s[n] <='f'))
+ *val += (s[n] - 0x57);
+ else
+ if ((s[n] >= 'A') && (s[n] <='F'))
+ *val += (s[n] - 0x37);
+ else
+ return 0;
+ n++;
+ }
+
+ return 1;
+}
+
+
+#ifdef MEMDISP
+//*-----------------------------------------------------------------------------
+//* Function Name : AT91F_MemoryDisplay()
+//* Object : Display the content of the dataflash
+//* Input Parameters :
+//* Return value :
+//*-----------------------------------------------------------------------------
+static int AT91F_MemoryDisplay(unsigned int addr, unsigned int length)
+{
+ unsigned long i, nbytes, linebytes;
+ char *cp;
+// unsigned int *uip;
+// unsigned short *usp;
+ unsigned char *ucp;
+ char linebuf[DISP_LINE_LEN];
+
+// nbytes = length * size;
+ nbytes = length;
+ do
+ {
+// uip = (unsigned int *)linebuf;
+// usp = (unsigned short *)linebuf;
+ ucp = (unsigned char *)linebuf;
+
+ printf("%08x:", addr);
+ linebytes = (nbytes > DISP_LINE_LEN)?DISP_LINE_LEN:nbytes;
+ if((addr & 0xF0000000) == 0x20000000) {
+ for(i = 0; i < linebytes; i ++) {
+ linebuf[i] = *(char *)(addr+i);
+ }
+ } else {
+ read_dataflash(addr, linebytes, linebuf);
+ }
+ for (i=0; i<linebytes; i++)
+ {
+/* if (size == 4)
+ printf(" %08x", *uip++);
+ else if (size == 2)
+ printf(" %04x", *usp++);
+ else
+*/
+ printf(" %02x", *ucp++);
+// addr += size;
+ addr++;
+ }
+ printf(" ");
+ cp = linebuf;
+ for (i=0; i<linebytes; i++) {
+ if ((*cp < 0x20) || (*cp > 0x7e))
+ printf(".");
+ else
+ printf("%c", *cp);
+ cp++;
+ }
+ printf("\n");
+ nbytes -= linebytes;
+ } while (nbytes > 0);
+ return 0;
+}
+#endif
+
+//*--------------------------------------------------------------------------------------
+//* Function Name : AT91F_SetPLL
+//* Object : Set the PLLA to 180Mhz and Master clock to 60 Mhz
+//* Input Parameters :
+//* Output Parameters :
+//*--------------------------------------------------------------------------------------
+static unsigned int AT91F_SetPLL(void)
+{
+ AT91_REG tmp;
+ AT91PS_PMC pPmc = AT91C_BASE_PMC;
+ AT91PS_CKGR pCkgr = AT91C_BASE_CKGR;
+
+ pPmc->PMC_IDR = 0xFFFFFFFF;
+
+ /* -Setup the PLL A */
+ pCkgr->CKGR_PLLAR = AT91C_PLLA_VALUE;
+
+ while (!(*AT91C_PMC_SR & AT91C_PMC_LOCKA));
+
+ /* - Switch Master Clock from PLLB to PLLA/3 */
+ tmp = pPmc->PMC_MCKR;
+ /* See Atmel Errata #27 and #28 */
+ if (tmp & 0x0000001C) {
+ tmp = (tmp & ~0x0000001C);
+ pPmc->PMC_MCKR = tmp;
+ while (!(*AT91C_PMC_SR & AT91C_PMC_MCKRDY));
+ }
+ if (tmp != 0x00000202) {
+ pPmc->PMC_MCKR = 0x00000202;
+ if ((tmp & 0x00000003) != 0x00000002)
+ while (!(*AT91C_PMC_SR & AT91C_PMC_MCKRDY));
+ }
+
+ return 1;
+}
+
+
+//*--------------------------------------------------------------------------------------
+//* Function Name : AT91F_ResetRegisters
+//* Object : Restore the initial state to registers
+//* Input Parameters :
+//* Output Parameters :
+//*--------------------------------------------------------------------------------------
+static unsigned int AT91F_ResetRegisters(void)
+{
+ volatile int i = 0;
+
+ /* set the PIOs in input*/
+ /* This disables the UART output, so dont execute for now*/
+
+#ifndef DEBUGOUT
+ *AT91C_PIOA_ODR = 0xFFFFFFFF; /* Disables all the output pins */
+ *AT91C_PIOA_PER = 0xFFFFFFFF; /* Enables the PIO to control all the pins */
+#endif
+
+ AT91F_AIC_DisableIt (AT91C_BASE_AIC, AT91C_ID_SYS);
+ /* close all peripheral clocks */
+
+#ifndef DEBUGOUT
+ AT91C_BASE_PMC->PMC_PCDR = 0xFFFFFFFC;
+#endif
+ /* Disable core interrupts and set supervisor mode */
+ __asm__ ("msr CPSR_c, #0xDF"); //* ARM_MODE_SYS(0x1F) | I_BIT(0x80) | F_BIT(0x40)
+ /* Clear all the interrupts */
+ *AT91C_AIC_ICCR = 0xffffffff;
+
+ /* read the AIC_IVR and AIC_FVR */
+ i = *AT91C_AIC_IVR;
+ i = *AT91C_AIC_FVR;
+
+ /* write the end of interrupt control register */
+ *AT91C_AIC_EOICR = 0;
+
+ return 1;
+}
+
+
+static int AT91F_LoadBoot(void)
+{
+// volatile unsigned int crc1 = 0, crc2 = 0;
+ volatile unsigned int SizeToDownload = 0x21400;
+ volatile unsigned int AddressToDownload = AT91C_BOOT_ADDR;
+
+#if 0
+ /* Read vector 6 to extract size to load */
+ if (read_dataflash(AT91C_BOOT_DATAFLASH_ADDR, 32,
+ (char *)AddressToDownload) != AT91C_DATAFLASH_OK)
+ {
+ printf("Bad Code Size\n");
+ return IMAGE_BAD_SIZE;
+ }
+ /* calculate the size to download */
+ SizeToDownload = *(int *)(AddressToDownload + AT91C_OFFSET_VECT6);
+#endif
+
+// printf("\nLoad UBOOT from dataflash[%x] to SDRAM[%x]\n",
+// AT91C_BOOT_DATAFLASH_ADDR, AT91C_BOOT_ADDR);
+ if (read_dataflash(AT91C_BOOT_DATAFLASH_ADDR, SizeToDownload + 8,
+ (char *)AddressToDownload) != AT91C_DATAFLASH_OK)
+ {
+ printf("F DF RD\n");
+ return IMAGE_READ_FAILURE;
+ }
+#if 0
+ pAT91->CRC32((const unsigned char *)AT91C_BOOT_ADDR,
+ (unsigned int)SizeToDownload , (unsigned int *)&crc2);
+ crc1 = (int)(*(char *)(AddressToDownload + SizeToDownload)) +
+ (int)(*(char *)(AddressToDownload + SizeToDownload + 1) << 8) +
+ (int)(*(char *)(AddressToDownload + SizeToDownload + 2) << 16) +
+ (int)(*(char *)(AddressToDownload + SizeToDownload + 3) << 24);
+
+ /* Restore the value of Vector 6 */
+ *(int *)(AddressToDownload + AT91C_OFFSET_VECT6) =
+ *(int *)(AddressToDownload + SizeToDownload + 4);
+
+ if (crc1 != crc2) {
+ printf("DF CRC bad %x != %x\n",crc1,crc2);
+ return IMAGE_CRC_ERROR;
+ }
+#endif
+ return SUCCESS;
+}
+
+static int AT91F_StartBoot(void)
+{
+ int sts;
+ if((sts = AT91F_LoadBoot()) != SUCCESS) return sts;
+// printf("\n");
+// printf("PLLA[180MHz], MCK[60Mhz] ==> Start UBOOT\n");
+ if (AT91F_ResetRegisters())
+ {
+ printf("Jump");
+ Jump(AT91C_BOOT_ADDR);
+// LED_blink(0);
+ }
+ return IMAGE_ERROR;
+}
+
+#if 0
+static void AT91F_RepeatedStartBoot(void)
+{
+ int i;
+ for(i = 0; i < CRC_RETRIES; i++) {
+ if(AT91F_StartBoot() != IMAGE_CRC_ERROR){
+// LED_blink(1);
+ return;
+ }
+ }
+ return;
+}
+#endif
+
+#define TRUE 1
+#define FALSE 0
+#define TRX_MAGIC 0x30524448 /* "HDR0" */
+#define TRX_VERSION 1
+
+struct trx_header {
+ unsigned int magic;
+ unsigned int len;
+ unsigned int crc32;
+ unsigned int flag_version;
+ unsigned int offsets[3];
+};
+
+#define AT91C_MCI_TIMEOUT 1000000
+
+extern AT91S_MciDevice MCI_Device;
+extern void AT91F_MCIDeviceWaitReady(unsigned int);
+extern int AT91F_MCI_ReadBlockSwab(AT91PS_MciDevice, int, unsigned int *, int);
+
+int Program_From_MCI(void)
+{
+ int i;
+ unsigned int Max_Read_DataBlock_Length;
+ int block = 0;
+ int buffer = AT91C_DOWNLOAD_BASE_ADDRESS;
+ int bufpos = AT91C_DOWNLOAD_BASE_ADDRESS;
+ int NbPage = 0;
+ struct trx_header *p;
+
+ p = (struct trx_header *)bufpos;
+
+ Max_Read_DataBlock_Length = MCI_Device.pMCI_DeviceFeatures->Max_Read_DataBlock_Length;
+
+ AT91F_MCIDeviceWaitReady(AT91C_MCI_TIMEOUT);
+
+ AT91F_MCI_ReadBlockSwab(&MCI_Device, block*Max_Read_DataBlock_Length, (unsigned int *)bufpos, Max_Read_DataBlock_Length);
+
+ if (p->magic != TRX_MAGIC) {
+ printf("Inv IMG 0x%08x\n", p->magic);
+ return FALSE;
+ }
+
+ printf("RDSD");
+ AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC7 | AT91C_PIO_PC15 | AT91C_PIO_PC8 | AT91C_PIO_PC14;
+ for (i=0; i<(p->len/512); i++) {
+ AT91F_MCI_ReadBlockSwab(&MCI_Device, block*Max_Read_DataBlock_Length, (unsigned int *)bufpos, Max_Read_DataBlock_Length);
+ block++;
+ bufpos += Max_Read_DataBlock_Length;
+ }
+
+ NbPage = 0;
+ i = dataflash_info[0].Device.pages_number;
+ while(i >>= 1)
+ NbPage++;
+ i = ((p->offsets[1] - p->offsets[0])/ 512) + 1 + (NbPage << 13) + (dataflash_info[0].Device.pages_size << 17);
+ *(int *)(buffer + p->offsets[0] + AT91C_OFFSET_VECT6) = i;
+
+ printf(" WDFB");
+ AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC7 | AT91C_PIO_PC15 | AT91C_PIO_PC14;
+ AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC8;
+ write_dataflash(0xc0000000, buffer + p->offsets[0], p->offsets[1] - p->offsets[0]);
+ printf(" WUB");
+ AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC7 | AT91C_PIO_PC15;
+ AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC8 | AT91C_PIO_PC14;
+ write_dataflash(0xc0008000, buffer + p->offsets[1], p->offsets[2] - p->offsets[1]);
+ printf(" WKRFS");
+ AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC8 | AT91C_PIO_PC15;
+ AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC7 | AT91C_PIO_PC14;
+ write_dataflash(0xc0042000, buffer + p->offsets[2], p->len - p->offsets[2]);
+ AT91C_BASE_PIOC->PIO_CODR = AT91C_PIO_PC8 | AT91C_PIO_PC14;
+ AT91C_BASE_PIOC->PIO_SODR = AT91C_PIO_PC7 | AT91C_PIO_PC15;
+ return TRUE;
+}
+
+//*----------------------------------------------------------------------------
+//* Function Name : main
+//* Object : Main function
+//* Input Parameters : none
+//* Output Parameters : True
+//*----------------------------------------------------------------------------
+int main(void)
+{
+#ifdef XMODEM
+ AT91PS_Buffer pXmBuffer;
+ AT91PS_SvcComm pSvcXmodem;
+#endif
+ AT91S_SvcTempo svcBootTempo; // Link to a AT91S_Tempo object
+ unsigned int ix;
+ volatile unsigned int AddressToDownload, SizeToDownload;
+ unsigned int DeviceAddress = 0;
+ char command = 0;
+#ifdef XMODEM
+ volatile int i = 0;
+ unsigned int crc1 = 0, crc2 = 0;
+ volatile int device;
+ int NbPage;
+#endif
+ volatile int Nb_Device = 0;
+ int mci_present = 0;
+
+ pAT91 = AT91C_ROM_BOOT_ADDRESS;
+
+ if (!AT91F_SetPLL())
+ {
+ printf("F SetPLL");
+ while(1);
+ }
+
+ at91_init_uarts();
+
+ /* Tempo Initialisation */
+ pAT91->OpenCtlTempo(&ctlTempo, (void *) &(pAT91->SYSTIMER_DESC));
+ ctlTempo.CtlTempoStart((void *) &(pAT91->SYSTIMER_DESC));
+
+ // Attach the tempo to a tempo controler
+ ctlTempo.CtlTempoCreate(&ctlTempo, &svcBootTempo);
+// LED_init();
+// LED_blink(2);
+
+#ifdef XMODEM
+ /* Xmodem Initialisation */
+ pXmBuffer = pAT91->OpenSBuffer(&sXmBuffer);
+ pSvcXmodem = pAT91->OpenSvcXmodem(&svcXmodem,
+ (AT91PS_USART)AT91C_BASE_DBGU, &ctlTempo);
+ pAT91->OpenPipe(&xmodemPipe, pSvcXmodem, pXmBuffer);
+#endif
+
+ /* System Timer initialization */
+ AT91F_AIC_ConfigureIt(
+ AT91C_BASE_AIC, // AIC base address
+ AT91C_ID_SYS, // System peripheral ID
+ AT91C_AIC_PRIOR_HIGHEST, // Max priority
+ AT91C_AIC_SRCTYPE_INT_LEVEL_SENSITIVE, // Level sensitive
+ AT91F_ST_ASM_HANDLER
+ );
+ /* Enable ST interrupt */
+ AT91F_AIC_EnableIt(AT91C_BASE_AIC, AT91C_ID_SYS);
+
+#ifndef PRODTEST
+ /* Start tempo to start Boot in a delay of
+ * AT91C_DELAY_TO_BOOT sec if no key pressed */
+ svcBootTempo.Start(&svcBootTempo, AT91C_DELAY_TO_BOOT,
+ 0, AT91F_StartBoot, NULL);
+#endif
+
+ while(1)
+ {
+ while(command == 0)
+ {
+ AddressToDownload = AT91C_DOWNLOAD_BASE_ADDRESS;
+ SizeToDownload = AT91C_DOWNLOAD_MAX_SIZE;
+ DeviceAddress = 0;
+
+ /* try to detect Dataflash */
+ if (!Nb_Device)
+ Nb_Device = AT91F_DataflashInit();
+
+ mci_present = AT91F_DisplayMenu();
+
+#ifdef PRODTEST
+ if (mci_present) {
+ if (Program_From_MCI())
+ AT91F_StartBoot();
+ }
+#endif
+
+ message[0] = 0;
+ AT91F_ReadLine ("Enter: ", message);
+
+#ifndef PRODTEST
+ /* stop tempo ==> stop autoboot */
+ svcBootTempo.Stop(&svcBootTempo);
+#endif
+
+ command = message[0];
+ for(ix = 1; (message[ix] == ' ') && (ix < 12); ix++); // Skip some whitespace
+
+ if(!AsciiToHex(&message[ix], &DeviceAddress) )
+ DeviceAddress = 0; // Illegal DeviceAddress
+
+ switch(command)
+ {
+#ifdef XMODEM
+ case '1':
+ case '2':
+ case '5':
+ if(command == '1') {
+ DeviceAddress = 0xC0000000;
+// printf("Download DataflashBoot.bin to [0x%x]\n", DeviceAddress);
+ } else if(command == '2') {
+ DeviceAddress = AT91C_BOOT_DATAFLASH_ADDR;
+// printf("Download u-boot.bin to [0x%x]\n", DeviceAddress);
+ } else {
+// printf("Download Dataflash to [0x%x]\n", DeviceAddress);
+ }
+ switch(DeviceAddress & 0xFF000000)
+ {
+ case CFG_DATAFLASH_LOGIC_ADDR_CS0:
+ if (dataflash_info[0].id == 0){
+ printf("No DF");
+ AT91F_WaitKeyPressed();
+ command = 0;
+ }
+
+ device = 0;
+ break;
+
+ case CFG_DATAFLASH_LOGIC_ADDR_CS3:
+ if (dataflash_info[1].id == 0){
+ printf("No DF");
+ AT91F_WaitKeyPressed();
+ command = 0;
+ }
+ device = 1;
+ break;
+
+ default:
+ command = 0;
+ break;
+ }
+ break;
+#endif
+
+ case '3':
+ if (mci_present)
+ Program_From_MCI();
+ command = 0;
+ break;
+
+ case '4':
+ AT91F_StartBoot();
+ command = 0;
+ break;
+
+#ifdef MEMDISP
+ case '6':
+ do
+ {
+ AT91F_MemoryDisplay(DeviceAddress, 256);
+ AT91F_ReadLine (NULL, message);
+ DeviceAddress += 0x100;
+ }
+ while(message[0] == '\0');
+ command = 0;
+ break;
+#endif
+
+ case '7':
+ switch(DeviceAddress & 0xFF000000)
+ {
+ case CFG_DATAFLASH_LOGIC_ADDR_CS0:
+ break;
+ case CFG_DATAFLASH_LOGIC_ADDR_CS3:
+ break;
+ default:
+ command = 0;
+ break;
+ }
+
+ if (command != 0) {
+ AT91F_ReadLine ("RDY ERA\nSure?",
+ message);
+ if(message[0] == 'Y' || message[0] == 'y') {
+ erase_dataflash(DeviceAddress & 0xFF000000);
+// printf("Erase complete\n\n");
+ }
+// else
+// printf("Erase aborted\n");
+ }
+ command = 0;
+
+ break;
+
+ default:
+ command = 0;
+ break;
+ }
+ }
+#ifdef XMODEM
+ for(i = 0; i <= AT91C_DOWNLOAD_MAX_SIZE; i++)
+ *(unsigned char *)(AddressToDownload + i) = 0;
+
+ xmodemPipe.Read(&xmodemPipe, (char *)AddressToDownload,
+ SizeToDownload, XmodemProtocol, 0);
+ while(XmodemComplete !=1);
+ SizeToDownload = (unsigned int)((svcXmodem.pData) -
+ (unsigned int)AddressToDownload);
+
+ /* Modification of vector 6 */
+ if ((DeviceAddress == CFG_DATAFLASH_LOGIC_ADDR_CS0)) {
+ // Vector 6 must be compliant to the BootRom description (ref Datasheet)
+ NbPage = 0;
+ i = dataflash_info[device].Device.pages_number;
+ while(i >>= 1)
+ NbPage++;
+ i = (SizeToDownload / 512)+1 + (NbPage << 13) +
+ (dataflash_info[device].Device.pages_size << 17); //+4 to add crc32
+ SizeToDownload = 512 * (i &0xFF);
+ }
+ else
+ {
+ /* Save the contents of vector 6 ==> will be restored
+ * at boot time (AT91F_StartBoot) */
+ *(int *)(AddressToDownload + SizeToDownload + 4) =
+ *(int *)(AddressToDownload + AT91C_OFFSET_VECT6);
+ /* Modify Vector 6 to contain the size of the
+ * file to copy (Dataflash -> SDRAM)*/
+ i = SizeToDownload;
+ }
+
+ *(int *)(AddressToDownload + AT91C_OFFSET_VECT6) = i;
+// printf("\nModification of Arm Vector 6 :%x\n", i);
+
+// printf("\nWrite %d bytes in DataFlash [0x%x]\n",SizeToDownload, DeviceAddress);
+ crc1 = 0;
+ pAT91->CRC32((const unsigned char *)AddressToDownload, SizeToDownload , &crc1);
+
+ /* Add the crc32 at the end of the code */
+ *(char *)(AddressToDownload + SizeToDownload) = (char)(crc1 & 0x000000FF);
+ *(char *)(AddressToDownload + SizeToDownload + 1) = (char)((crc1 & 0x0000FF00) >> 8);
+ *(char *)(AddressToDownload + SizeToDownload + 2) = (char)((crc1 & 0x00FF0000) >> 16);
+ *(char *)(AddressToDownload + SizeToDownload + 3) = (char)((crc1 & 0xFF000000) >> 24);
+
+ /* write dataflash */
+ write_dataflash (DeviceAddress, AddressToDownload, (SizeToDownload + 8));
+
+ /* clear the buffer before read */
+ for(i=0; i <= SizeToDownload; i++)
+ *(unsigned char *)(AddressToDownload + i) = 0;
+
+ /* Read dataflash to check the validity of the data */
+ read_dataflash (DeviceAddress, (SizeToDownload + 4), (char *)(AddressToDownload));
+
+ printf("VFY: ");
+ crc2 = 0;
+
+ pAT91->CRC32((const unsigned char *)AddressToDownload, SizeToDownload , &crc2);
+ crc1 = (int)(*(char *)(AddressToDownload + SizeToDownload)) +
+ (int)(*(char *)(AddressToDownload + SizeToDownload + 1) << 8) +
+ (int)(*(char *)(AddressToDownload + SizeToDownload + 2) << 16) +
+ (int)(*(char *)(AddressToDownload + SizeToDownload + 3) << 24);
+
+ if (crc1 != crc2)
+ printf("ERR");
+ else
+ printf("OK");
+
+ command = 0;
+ XmodemComplete = 0;
+ AT91F_WaitKeyPressed();
+#endif
+ }
+}
+
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-28 03:56:55 +0000