static Uint32 LOCAL_boot(void)
{
DEVICE_BootMode bootMode;
// Read boot mode
bootMode = DEVICE_bootMode();
if (bootMode == DEVICE_BOOTMODE_UART)
{
// Wait until the RBL is done using the UART.
while((UART0->LSR & 0x40) == 0 );
}
// Platform Initialization
DEVICE_init();
// Set RAM pointer to beginning of RAM space
UTIL_setCurrMemPtr(0);
// Send some information to host
DEBUG_printString("TI SLT Version: ");
DEBUG_printString(SLT_VERSION_STRING);
DEBUG_printString("\r\nBooting Catalog Boot Loader\r\nBootMode = ");
// Select Boot Mode
switch(bootMode)
{
case DEVICE_BOOTMODE_UART:
{
//Report Bootmode to host
DEBUG_printString("UART\r\n");
}
default:
{
UARTBOOT_copy();
break;
}
}
UART_sendString(" DONE", TRUE);
UTIL_waitLoop(10000);
DEVICE_TIMER0Stop();
return E_PASS;
}
static Uint32 LOCAL_boot(void)
{
DEVICE_BootMode bootMode;
// Read boot mode
bootMode = DEVICE_bootMode();
if (bootMode == DEVICE_BOOTMODE_UART)
{
// Wait until the RBL is done using the UART.
while((UART0->LSR & 0x40) == 0 );
}
// Platform Initialization
if ( DEVICE_init() != E_PASS )
{
DEBUG_printString(devString);
DEBUG_printString(" initialization failed!\r\n");
asm(" MOV PC, #0");
}
else
{
DEBUG_printString(devString);
DEBUG_printString(" initialization passed!\r\n");
}
// Set RAM pointer to beginning of RAM space
UTIL_setCurrMemPtr(0);
// Send some information to host
DEBUG_printString("TI SFT Version: ");
DEBUG_printString(SFT_VERSION_STRING);
DEBUG_printString("\r\nBooting Catalog Serial Flasher\r\n");
// Perform UART boot (always assume UART boot since this is only used for serial flashing)
UARTBOOT_copy();
DEBUG_printString(" DONE");
UTIL_waitLoop(10000);
DEVICE_TIMER0Stop();
return E_PASS;
}
void main()
{
CSL_TmrRegsOvly timer0Regs = (CSL_TmrRegsOvly)CSL_TMR_0_REGS;
printf("Starting %s example.\r\n",exampleName);
// Make sure PRU is first disabled/reset
PRU_disable();
printf("\tINFO: Loading example.\r\n");
PRU_load(PRU_NUM, (Uint32*)PRU_Code, (sizeof(PRU_Code)/sizeof(Uint32)));
printf("\tINFO: Initializing example.\r\n");
// Configure Timer0
LOCAL_exampleInit(PRU_NUM);
printf("\tINFO: Executing example.\r\n");
PRU_run(PRU_NUM);
// Give PRU some time
UTIL_waitLoop(0x100);
// Enable Timer0 in one-shot mode
timer0Regs->TCR = 0x00000040;
// Wait for the PRU to call the HALT command
if (PRU_waitForHalt(PRU_NUM,-1) == E_PASS)
{
printf("\tINFO: PRU halted successfully.\r\n");
}
else
{
printf("\tINFO: PRU halt failed.\r\n");
}
// Check to see if the example produced desired result
if ( LOCAL_examplePassed(PRU_NUM) )
{
printf("Example executed succesfully.\r\n");
}
else
{
printf("Example failed.\r\n");
}
}
// Main entry point
void main(void)
{
Uint32 status;
// Give some time for host to become ready
UTIL_waitLoop(100000);
// Set RAM pointer to beginning of RAM space
UTIL_setCurrMemPtr(0);
// Init device PLLs, PSCs, external memory, etc.
status = DEVICE_init();
// Open UART peripheral for sending out status
if (status == E_PASS)
{
DEVICE_UARTInit(DEVICE_UART_PERIPHNUM);
hUartInfo = UART_open(DEVICE_UART_PERIPHNUM, hDEVICE_UART_config);
//DEBUG_printString((String) devString);
//DEBUG_printString(" initialization passed!\r\n");
}
else
{
return;
}
// Send some information to host
//DEBUG_printString("TI SFT Version: ");
//DEBUG_printString(SFT_VERSION_STRING);
//DEBUG_printString("\r\n");
// Perform UART boot (always assume UART boot since this is only used for serial flashing)
UARTBOOT_copy();
//DEBUG_printString(" DONE");
//UTIL_waitLoop(10000);
// FIXME: This should bre replaced with DEVICE_finalize()
DEVICE_TIMER0Stop();
// Jump to entry point
APPEntry = (void (*)(void)) gEntryPoint;
(*APPEntry)();
}
// Generic function to write a UBL or Application header and the associated data
static Uint32 LOCAL_writeData(NAND_InfoHandle hNandInfo, Uint8 *srcBuf, Uint32 totalPageCnt)
{
Uint32 blockNum,pageNum,pageCnt;
Uint32 numBlks;
Uint32 i;
Uint8 *dataPtr;
gNandTx = (Uint8 *) UTIL_allocMem(NAND_MAX_PAGE_SIZE);
gNandRx = (Uint8 *) UTIL_allocMem(NAND_MAX_PAGE_SIZE);
for (i=0; i<NAND_MAX_PAGE_SIZE; i++)
{
gNandTx[i]=0xff;
gNandRx[i]=0xff;
}
// Get total number of blocks needed
numBlks = 0;
while ( (numBlks*hNandInfo->pagesPerBlock) < totalPageCnt )
{
numBlks++;
}
DEBUG_printString("Number of blocks needed for data: ");
DEBUG_printHexInt(numBlks);
DEBUG_printString("\r\n");
// Start in block 1 (leave block 0 alone)
blockNum = 1;
// Unprotect all blocks of the device
if (NAND_unProtectBlocks(hNandInfo, blockNum, (hNandInfo->numBlocks-1)) != E_PASS)
{
blockNum++;
DEBUG_printString("Unprotect failed.\r\n");
return E_FAIL;
}
while (blockNum < hNandInfo->numBlocks)
{
// Find first good block
while (NAND_badBlockCheck(hNandInfo,blockNum) != E_PASS)
{
blockNum++;
}
// Erase the current block
NAND_eraseBlocks(hNandInfo,blockNum,1);
// Start writing in page 0 of current block
pageNum = 0;
pageCnt = 0;
// Setup data pointer
dataPtr = srcBuf;
// Start page writing loop
do
{
DEBUG_printString((Uint8 *)"Writing image data to block ");
DEBUG_printHexInt(blockNum);
DEBUG_printString((Uint8 *)", page ");
DEBUG_printHexInt(pageNum);
DEBUG_printString((Uint8 *)"\r\n");
// Write the AIS image data to the NAND device
if (NAND_writePage(hNandInfo, blockNum, pageNum, dataPtr) != E_PASS)
{
DEBUG_printString("Write failed. Marking block as bad...\n");
NAND_reset(hNandInfo);
NAND_badBlockMark(hNandInfo,blockNum);
dataPtr -= pageNum * hNandInfo->dataBytesPerPage;
blockNum++;
continue;
}
UTIL_waitLoop(200);
// Verify the page just written
if (NAND_verifyPage(hNandInfo, blockNum, pageNum, dataPtr, gNandRx) != E_PASS)
{
DEBUG_printString("Verify failed. Marking block as bad...\n");
NAND_reset(hNandInfo);
NAND_badBlockMark(hNandInfo,blockNum);
dataPtr -= pageNum * hNandInfo->dataBytesPerPage;
blockNum++;
continue;
}
pageNum++;
pageCnt++;
dataPtr += hNandInfo->dataBytesPerPage;
if (pageNum == hNandInfo->pagesPerBlock)
{
// A block transition needs to take place; go to next good block
do
{
blockNum++;
}
while (NAND_badBlockCheck(hNandInfo,blockNum) != E_PASS);
// Erase the current block
NAND_eraseBlocks(hNandInfo,blockNum,1);
pageNum = 0;
}
} while (pageCnt < totalPageCnt);
NAND_protectBlocks(hNandInfo);
break;
}
return E_PASS;
}
static Uint32 LOCAL_NANDWriteHeaderAndData(NAND_InfoHandle hNandInfo, NANDBOOT_HeaderHandle nandBoot, Uint8 *srcBuf)
{
Uint32 endBlockNum;
Uint32 *ptr;
Uint32 blockNum,pageNum,pageCnt,i;
Uint32 numBlks;
Uint8 *hNandWriteBuf,*hNandReadBuf;
// Allocate mem for write and read buffers
hNandWriteBuf = UTIL_allocMem(hNandInfo->dataBytesPerPage);
hNandReadBuf = UTIL_allocMem(hNandInfo->dataBytesPerPage);
// Clear buffers
for (i=0; i < hNandInfo->dataBytesPerPage; i++)
{
hNandWriteBuf[i] = 0xFF;
hNandReadBuf[i] = 0xFF;
}
// Get total number of blocks needed
numBlks = 0;
while ( (numBlks * hNandInfo->pagesPerBlock) < (nandBoot->numPage + 1) )
{
numBlks++;
}
DEBUG_printString("Number of blocks needed for header and data: 0x");
DEBUG_printHexInt(numBlks);
DEBUG_printString("\r\n");
// Check whether writing UBL or APP (based on destination block)
blockNum = nandBoot->block;
if (blockNum == DEVICE_NAND_RBL_SEARCH_START_BLOCK)
endBlockNum = DEVICE_NAND_RBL_SEARCH_END_BLOCK;
else if (blockNum == DEVICE_NAND_UBL_SEARCH_START_BLOCK)
endBlockNum = DEVICE_NAND_UBL_SEARCH_END_BLOCK;
else
return E_FAIL; // Block number is out of range
NAND_WRITE_RETRY:
if (blockNum > endBlockNum)
return E_FAIL;
// Go to first good block
if (NAND_badBlockCheck(hNandInfo,blockNum) != E_PASS)
{
blockNum++;
goto NAND_WRITE_RETRY;
}
DEBUG_printString("Attempting to start in block number 0x");
DEBUG_printHexInt(blockNum);
DEBUG_printString(".\n");
// Unprotect all needed blocks of the Flash
if (NAND_unProtectBlocks(hNandInfo,blockNum,numBlks) != E_PASS)
{
blockNum++;
DEBUG_printString("Unprotect failed\r\n");
goto NAND_WRITE_RETRY;
}
// Erase the block where the header goes and the data starts
if (NAND_eraseBlocks(hNandInfo,blockNum,numBlks) != E_PASS)
{
blockNum++;
DEBUG_printString("Erase failed\r\n");
goto NAND_WRITE_RETRY;
}
// Setup header to be written
ptr = (Uint32 *) hNandWriteBuf;
ptr[0] = nandBoot->magicNum;
ptr[1] = nandBoot->entryPoint;
ptr[2] = nandBoot->numPage;
ptr[3] = blockNum; //always start data in current block
ptr[4] = 1; //always start data in page 1 (this header goes in page 0)
ptr[5] = nandBoot->ldAddress;
// Write the header to page 0 of the current blockNum
DEBUG_printString("Writing header data to Block ");
DEBUG_printHexInt(blockNum);
DEBUG_printString(", Page ");
DEBUG_printHexInt(0);
DEBUG_printString("\r\n");
if (NAND_writePage(hNandInfo, blockNum, 0, hNandWriteBuf) != E_PASS)
{
blockNum++;
DEBUG_printString("Write failed!\r\n");
goto NAND_WRITE_RETRY;
}
UTIL_waitLoop(200);
// Verify the page just written
if (NAND_verifyPage(hNandInfo, blockNum, 0, hNandWriteBuf, hNandReadBuf) != E_PASS)
{
blockNum++;
DEBUG_printString("Write verify failed!\r\n");
goto NAND_WRITE_RETRY;
}
pageCnt = 1;
pageNum = 1;
do
{
DEBUG_printString("Writing image data to Block ");
DEBUG_printHexInt(blockNum);
DEBUG_printString(", Page ");
DEBUG_printHexInt(pageNum);
DEBUG_printString("\r\n");
// Write the UBL or APP data on a per page basis
if (NAND_writePage(hNandInfo, blockNum, pageNum, srcBuf) != E_PASS)
{
blockNum++;
DEBUG_printString("Write failed!\r\n");
goto NAND_WRITE_RETRY;
}
UTIL_waitLoop(200);
// Verify the page just written
if (NAND_verifyPage(hNandInfo, blockNum, pageNum, srcBuf, hNandReadBuf) != E_PASS)
{
blockNum++;
DEBUG_printString("Write verify failed!\r\n");
goto NAND_WRITE_RETRY;
}
srcBuf += hNandInfo->dataBytesPerPage;
pageCnt++;
pageNum++;
if (pageNum == hNandInfo->pagesPerBlock)
{
blockNum++;
pageNum = 0;
}
}
while (pageCnt < (nandBoot->numPage+1));
NAND_protectBlocks(hNandInfo);
return E_PASS;
}
// Generic function to write a UBL or Application header and the associated data
static Uint32 LOCAL_writeHeaderAndData(NAND_InfoHandle hNandInfo, NANDWRITER_Boot *nandBoot, Uint8 *srcBuf)
{
Uint32 endBlockNum;
Uint32 *headerPtr;
Uint32 blockNum;
Uint32 count;
Uint32 countMask;
Uint32 numBlks;
Uint32 pageNum;
Uint32 i;
Uint8 *dataPtr;
gNandTx = (Uint8 *) UTIL_allocMem(NAND_MAX_PAGE_SIZE);
gNandRx = (Uint8 *) UTIL_allocMem(NAND_MAX_PAGE_SIZE);
for (i=0; i<NAND_MAX_PAGE_SIZE; i++)
{
gNandTx[i]=0xff;
gNandRx[i]=0xff;
}
// Get total number of blocks needed
numBlks = 0;
while ( (numBlks * hNandInfo->pagesPerBlock) < (nandBoot->numPage + 1) )
{
numBlks++;
}
DEBUG_printString("Number of blocks needed for header and data: ");
DEBUG_printHexInt(numBlks);
DEBUG_printString("\r\n");
// Check whether writing UBL or APP (based on destination block)
blockNum = nandBoot->block;
if (blockNum == DEVICE_NAND_RBL_SEARCH_START_BLOCK)
{
endBlockNum = DEVICE_NAND_RBL_SEARCH_END_BLOCK;
}
else if (blockNum == DEVICE_NAND_UBL_SEARCH_START_BLOCK)
{
endBlockNum = DEVICE_NAND_UBL_SEARCH_END_BLOCK;
}
else
{
// Block number is out of range
return E_FAIL;
}
NAND_WRITE_RETRY:
if (blockNum > endBlockNum)
{
return E_FAIL;
}
DEBUG_printString("Attempting to start write in block number ");
DEBUG_printHexInt(blockNum);
DEBUG_printString(".\r\n");
// Unprotect all needed blocks of the Flash
if (NAND_unProtectBlocks(hNandInfo,blockNum,numBlks) != E_PASS)
{
blockNum++;
DEBUG_printString("Unprotect failed.\r\n");
goto NAND_WRITE_RETRY;
}
// Setup header to be written
headerPtr = (Uint32 *) gNandTx;
headerPtr[0] = nandBoot->magicNum; //Magic Number
headerPtr[1] = nandBoot->entryPoint; //Entry Point
headerPtr[2] = nandBoot->numPage; //Number of Pages
headerPtr[3] = blockNum; //Starting Block Number
headerPtr[4] = 1; //Starting Page Number - always start data in page 1 (this header goes in page 0)
if ( (blockNum>=DEVICE_NAND_RBL_SEARCH_START_BLOCK) && (blockNum <= DEVICE_NAND_RBL_SEARCH_END_BLOCK) )
{
headerPtr[5] = 0; //nandBoot->ldAddress;
}
else if ( (blockNum>=DEVICE_NAND_UBL_SEARCH_START_BLOCK) && (blockNum<=DEVICE_NAND_UBL_SEARCH_END_BLOCK) )
{
headerPtr[5] = nandBoot->ldAddress; //nandBoot->ldAddress;
}
else
{
// Block number is out of range
return E_FAIL;
}
pageNum = 0;
// Erase the block where the header goes and the data starts
if (NAND_eraseBlocks(hNandInfo,blockNum,numBlks) != E_PASS)
{
blockNum++;
DEBUG_printString("Erase failed\n");
goto NAND_WRITE_RETRY;
}
DEBUG_printString("Writing header data to Block ");
DEBUG_printHexInt(blockNum);
DEBUG_printString(", Page ");
DEBUG_printHexInt(pageNum);
DEBUG_printString("\r\n");
if (NAND_writePage(hNandInfo, blockNum, pageNum, gNandTx) != E_PASS)
{
blockNum++;
DEBUG_printString("Write failed\n");
NAND_reset(hNandInfo);
goto NAND_WRITE_RETRY;
}
UTIL_waitLoop(200);
// Verify the page just written
if (NAND_verifyPage(hNandInfo, blockNum, pageNum, gNandTx, gNandRx) != E_PASS)
{
DEBUG_printString("Verify failed. Attempting to clear page\n");
NAND_reset(hNandInfo);
NAND_eraseBlocks(hNandInfo,blockNum,numBlks);
blockNum++;
NAND_reset(hNandInfo);
goto NAND_WRITE_RETRY;
}
// Start writing in page 1 of current block (header was in page 0)
count = 1;
// The following assumes power of 2 pagesPerBlock - *should* always be valid
countMask = (Uint32) hNandInfo->pagesPerBlock - 1;
dataPtr = srcBuf;
do
{
DEBUG_printString((Uint8 *)"Writing image data to Block ");
DEBUG_printHexInt(blockNum);
DEBUG_printString((Uint8 *)", Page ");
DEBUG_printHexInt(count & countMask);
DEBUG_printString((Uint8 *)"\r\n");
// Write the UBL or APP data on a per page basis
if (NAND_writePage(hNandInfo, blockNum, (count & countMask), dataPtr) != E_PASS)
{
blockNum++;
DEBUG_printString("Write failed\n");
goto NAND_WRITE_RETRY;
}
UTIL_waitLoop(200);
// Verify the page just written
if (NAND_verifyPage(hNandInfo, blockNum, (count & countMask), dataPtr, gNandRx) != E_PASS)
{
DEBUG_printString("Verify failed. Attempting to clear page\n");
NAND_reset(hNandInfo);
NAND_eraseBlocks(hNandInfo,blockNum,numBlks);
blockNum++;
goto NAND_WRITE_RETRY;
}
count++;
dataPtr += hNandInfo->dataBytesPerPage;
if (!(count & countMask))
{
do
{
blockNum++;
}
while (NAND_badBlockCheck(hNandInfo,blockNum) != E_PASS);
}
} while (count <= nandBoot->numPage);
NAND_protectBlocks(hNandInfo);
return E_PASS;
}
Uint32 LOCAL_NANDWriteHeaderAndData(NAND_InfoHandle hNandInfo, NANDBOOT_HeaderHandle hNandBoot, Uint8 *srcBuf)
{
Uint32 *ptr;
Uint32 currBlockNum,currPageNum,pageCnt,i;
Uint32 numBlks, numBlksRemaining;
trl_();
trvx_(hNandBoot->startBlock);
trvx(hNandBoot->endBlock);
trvx(srcBuf);
hNandWriteBuf = UTIL_allocMem(hNandInfo->dataBytesPerPage);
hNandReadBuf = UTIL_allocMem(hNandInfo->dataBytesPerPage);
extern __FAR__ Uint32 EXTERNAL_RAM_START, EXTERNAL_RAM_END;
trvx(&EXTERNAL_RAM_START);
trvx(hNandWriteBuf);
trvx(hNandReadBuf);
// Unprotect all needed blocks of the flash
if (NAND_unProtectBlocks(hNandInfo,hNandBoot->startBlock,hNandBoot->endBlock-hNandBoot->startBlock+1) != E_PASS)
{
DEBUG_printString("Unprotect failed\r\n");
return E_FAIL;
}
// Check if device is write protected
if (NAND_isWriteProtected(hNandInfo))
{
DEBUG_printString("NAND is write protected!\r\n");
return E_FAIL;
}
// Get total number of blocks needed for each copy
numBlks = 0;
while ( (numBlks * hNandInfo->pagesPerBlock) < (hNandBoot->numPage + 1) )
{
numBlks++;
}
DEBUG_printString("Number of blocks needed for header and data: 0x");
DEBUG_printHexInt(numBlks);
DEBUG_printString("\r\n");
// Init internal current block number counter
currBlockNum = hNandBoot->startBlock;
// Go to first good block
while (NAND_badBlockCheck(hNandInfo,currBlockNum) != E_PASS)
{
DEBUG_printString("NAND block ");
DEBUG_printHexInt(currBlockNum);
DEBUG_printString(" is bad!!!\r\n");
currBlockNum++;
// Now check to make sure we aren't already out of space
if (currBlockNum > (hNandBoot->endBlock + numBlks - 1 ))
{
DEBUG_printString("No good blocks in allowed range!!!\r\n");
return E_FAIL;
}
}
DEBUG_printString("Attempting to start in block number 0x");
DEBUG_printHexInt(currBlockNum);
DEBUG_printString(".\r\n");
// Keep going while we have room to place another copy
do
{
numBlksRemaining = numBlks;
// Erase the block where the header goes and the data starts
if (NAND_eraseBlocks(hNandInfo,currBlockNum,numBlks) != E_PASS)
{
// Attempt to mark block bad
NAND_badBlockMark(hNandInfo, currBlockNum);
currBlockNum++;
DEBUG_printString("Erase failed\r\n");
continue;
}
trl();
// Clear write buffer
ptr = (Uint32 *) hNandWriteBuf;
for (i=0; i < hNandInfo->dataBytesPerPage >> 2; i++)
{
ptr[i] = 0xFFFFFFFF;
}
trl();
// Setup header to be written
ptr[0] = hNandBoot->magicNum;
ptr[1] = hNandBoot->entryPoint;
ptr[2] = hNandBoot->numPage;
ptr[3] = currBlockNum; //always start data in current block
ptr[4] = 1; //always start data in page 1 (this header goes in page 0)
ptr[5] = hNandBoot->ldAddress;
// Write the header to page 0 of the current blockNum
DEBUG_printString("Writing header and image data to Block ");
DEBUG_printHexInt(currBlockNum);
DEBUG_printString(", Page ");
DEBUG_printHexInt(0);
DEBUG_printString("\r\n");
trl();
#ifdef DM35X_REVB
#define DM35X_REVC
#endif
#ifdef DM35X_REVC
if (NAND_writePage_ubl_header(hNandInfo, currBlockNum, 0, hNandWriteBuf) != E_PASS)
{
// Attempt to mark block bad
NAND_badBlockMark(hNandInfo, currBlockNum);
currBlockNum++;
DEBUG_printString("Write failed!\r\n");
continue;
}
#else
if (NAND_writePage(hNandInfo, currBlockNum, 0, hNandWriteBuf) != E_PASS)
{
// Attempt to mark block bad
NAND_badBlockMark(hNandInfo, currBlockNum);
currBlockNum++;
DEBUG_printString("Write failed!\r\n");
continue;
}
#endif
UTIL_waitLoop(200);
// Verify the page just written
if (NAND_verifyPage(hNandInfo, currBlockNum, 0, hNandWriteBuf, hNandReadBuf) != E_PASS)
{
// Attempt to mark block bad
NAND_badBlockMark(hNandInfo, currBlockNum);
currBlockNum++;
DEBUG_printString("Write verify failed!\r\n");
continue;
}
pageCnt = 1;
currPageNum = 1;
do
{
// Write the UBL or APP data on a per page basis
if (NAND_writePage(hNandInfo, currBlockNum, currPageNum, srcBuf) != E_PASS)
{
// Attempt to mark block bad
NAND_badBlockMark(hNandInfo, currBlockNum);
currBlockNum++;
DEBUG_printString("Write failed, skipping block!\r\n");
if ( (numBlksRemaining == numBlks) || (hNandBoot->forceContigImage) )
break; // If we are still in the first block, we have to go rewrite the header too
else
{
srcBuf -= (hNandInfo->dataBytesPerPage * currPageNum);
trvx(srcBuf);
pageCnt -= currPageNum;
currPageNum = 0;
continue;
}
}
UTIL_waitLoop(200);
// Verify the page just written
if (NAND_verifyPage(hNandInfo, currBlockNum, currPageNum, srcBuf, hNandReadBuf) != E_PASS)
{
// Attempt to mark block bad
NAND_badBlockMark(hNandInfo, currBlockNum);
currBlockNum++;
DEBUG_printString(RED"Write verify failed, skipping block!\r\n"NOCOLOR);
if ( (numBlksRemaining == numBlks) || (hNandBoot->forceContigImage) )
break; // If we are still in the first block, we have to go rewrite the header too
else
{
srcBuf -= (hNandInfo->dataBytesPerPage * currPageNum);
trvx(srcBuf);
pageCnt -= currPageNum;
currPageNum = 0;
continue;
}
}
srcBuf += hNandInfo->dataBytesPerPage;
pageCnt++;
currPageNum++;
// If we need to go the next block, or our image is complete, increment current block num
if ( (currPageNum == hNandInfo->pagesPerBlock) || (pageCnt >= (hNandBoot->numPage+1)) )
{
trvi(currPageNum);
currBlockNum++;
numBlksRemaining--;
srcBuf -= hNandInfo->dataBytesPerPage * currPageNum;
currPageNum = 0;
}
}
while ( (pageCnt < (hNandBoot->numPage+1)) && ((currBlockNum + numBlksRemaining - 1)<=hNandBoot->endBlock) );
trvi(pageCnt);
}
while( (currBlockNum + numBlks - 1)<=hNandBoot->endBlock );
// Protect all blocks
NAND_protectBlocks(hNandInfo);
// We succeeded in writing all copies that would fit
return E_PASS;
}
void main(void)
{
Uint8 regValue;
// Init the memory alloc routines
UTIL_setCurrMemPtr(0);
// System init
if (DEVICE_init() != E_PASS)
{
DEBUG_printString("Device initialization failed.\r\n");
return;
}
// Give some time for I2C bus to settle (power-supply issue?)
UTIL_waitLoop(4000000);
// Make sure our board and chip can read the NOR via EMIF
if (I2C_ECP_write(I2C_ECP_VMX_REG,0x20) != E_PASS)
{
DEBUG_printString("Write to ECP EMIF/VP control register has failed.\r\n");
return;
}
DEVICE_pinmuxControl( 0, DEVICE_PINMUX_EMIF_MASK, DEVICE_PINMUX_EMIF_EN );
// Start body of UBL
DEBUG_printString("Starting UBL - ");
DEBUG_printString(UBL_FLASH_TYPE);
DEBUG_printString(" Flash, v");
DEBUG_printString( UBL_VERSION_STRING );
DEBUG_printString("\r\n");
// Find and copy the application image from the NOR flash
if (NORBOOT_copy() != E_PASS)
{
DEBUG_printString( "\tERROR: Application boot failed.\r\n" );
return;
}
// Modify board-level and chip-level settings to prep for application run
// Set board-level muxes for video ports
if (I2C_ECP_write(I2C_ECP_VMX_REG,0x44) != E_PASS)
{
DEBUG_printString("Write to ECP VP control register appears to have failed.");
return;
}
// Set video port capture clocks for SD capture
if (I2C_ECP_write(I2C_ECP_CMD_REG,0x08) != E_PASS)
{
DEBUG_printString("Write to ECP command register appears to have failed.");
return;
}
// Set board-level muxes for audio codecs(AIC33s)
if (I2C_ECP_write(I2C_ECP_McASP_MUX_CTRL_REG,0x19) != E_PASS)
{
DEBUG_printString("Write to ECP McASP control register appears to have failed.");
return;
}
// Do one read to force the last write to complete
I2C_ECP_read(I2C_ECP_McASP_MUX_CTRL_REG,®Value);
DEBUG_printString("Board-level setup complete.\r\n");
// Set chip-level pin muxes for audio ports
DEVICE_pinmuxControl( 0,
DEVICE_PINMUX_MCASP_MASK,
DEVICE_PINMUX_MCASP_EN );
// Set chip-level pin muxes for video ports
DEVICE_pinmuxControl( 0,
DEVICE_PINMUX_VP0_MASK |
DEVICE_PINMUX_VP1_MASK |
DEVICE_PINMUX_VP34_MASK |
DEVICE_PINMUX_VP2_MASK,
DEVICE_PINMUX_VP0_EN |
DEVICE_PINMUX_VP1_EN |
DEVICE_PINMUX_VP34_EN |
DEVICE_PINMUX_VP2_EN );
DEBUG_printString("Chip-level setup complete.\r\n");
// Pass control to the entry point in RAM
DEBUG_printString("Passing control to entry point at ");
DEBUG_printHexInt(gEntryPoint);
DEBUG_printString(".\r\n");
bootFunction = (AIS_fxnPtr) gEntryPoint;
(*bootFunction)();
}