ERROR_CODE SetToPageMode(void)
{
SetupForFlash();
GetCodes();
*pEBIU_AMGCTL = 0x0000; /* disable the Async Memory */
/* Set the mode to async Mode (0-async mode, 1-flash mode, 2-page mode, 3-burst mode) */
*pEBIU_MODE = ( B0MODE_PAGE | B1MODE_PAGE | B2MODE_PAGE | B3MODE_PAGE );
*pEBIU_FCTL = ( PGWS | BCLK );
*pEBIU_AMGCTL = ( AMCKEN | AMBEN ); /* enable the Async Memory */
ssync();
SetRCR ( uwRCR_Default );
ResetFlash();
return NO_ERR;
}
ERROR_CODE SetToBurstMode(void)
{
u16 uwRCRtmp;
SetupForFlash();
GetCodes();
*pEBIU_AMGCTL = 0x0000; /* disable the Async Memory */
/* Set the mode to async Mode (0-async mode, 1-flash mode, 2-page mode, 3-burst mode) */
*pEBIU_MODE = ( B0MODE_BURST | B1MODE_BURST | B2MODE_BURST | B3MODE_BURST );
*pEBIU_FCTL = ( BCLK );
*pEBIU_AMGCTL = ( AMCKEN | AMBEN ); /* enable the Async Memory */
ssync();
uwRCRtmp = uwRCR_Default & 0x05F0;
uwRCRtmp |= 0x0003;
uwRCRtmp |= 3 << 11;
SetRCR ( uwRCRtmp );
ResetFlash();
return NO_ERR;
}
u32 adi_pdd_Control( ADI_DEV_PDD_HANDLE PDDHandle,
u32 Command,
void *pArg)
{
ERROR_CODE ErrorCode = NO_ERR;
COMMAND_STRUCT *pCmdStruct = (COMMAND_STRUCT *)pArg;
// switch on the command
switch ( Command )
{
// erase all
case CNTRL_ERASE_ALL:
ErrorCode = EraseFlash(pCmdStruct->SEraseAll.ulFlashStartAddr);
break;
// erase sector
case CNTRL_ERASE_SECT:
ErrorCode = EraseBlock( pCmdStruct->SEraseSect.nSectorNum, pCmdStruct->SEraseSect.ulFlashStartAddr );
break;
// get manufacturer and device codes
case CNTRL_GET_CODES:
ErrorCode = GetCodes((int *)pCmdStruct->SGetCodes.pManCode, (int *)pCmdStruct->SGetCodes.pDevCode, (unsigned long)pCmdStruct->SGetCodes.ulFlashStartAddr);
break;
case CNTRL_GET_DESC:
//Filling the contents with data
pCmdStruct->SGetDesc.pDesc = pFlashDesc;
pCmdStruct->SGetDesc.pFlashCompany = pDeviceCompany;
break;
// get sector number based on address
case CNTRL_GET_SECTNUM:
ErrorCode = GetSectorNumber( pCmdStruct->SGetSectNum.ulOffset, (int *)pCmdStruct->SGetSectNum.pSectorNum );
break;
// get sector number start and end offset
case CNTRL_GET_SECSTARTEND:
ErrorCode = GetSectorStartEnd( pCmdStruct->SSectStartEnd.pStartOffset, pCmdStruct->SSectStartEnd.pEndOffset, pCmdStruct->SSectStartEnd.nSectorNum );
break;
// get the number of sectors
case CNTRL_GETNUM_SECTORS:
pCmdStruct->SGetNumSectors.pnNumSectors[0] = gNumSectors;
break;
// reset
case CNTRL_RESET:
ErrorCode = ResetFlash(pCmdStruct->SReset.ulFlashStartAddr);
break;
// turn on dataflow (command required of all device drivers)
case ADI_DEV_CMD_SET_DATAFLOW:
ErrorCode = NO_ERR;
break;
case ADI_DEV_CMD_SET_DATAFLOW_METHOD:
// Do nothing & simply return back for these commands
break;
// get peripheral DMA support (command required of all device drivers)
case ADI_DEV_CMD_GET_PERIPHERAL_DMA_SUPPORT:
(*(u32 *)pArg) = FALSE; // no, this device is not supported by peripheral DMA
break;
// no command or unknown command do nothing
default:
// set our error
ErrorCode = UNKNOWN_COMMAND;
break;
}
// return
return(ErrorCode);
}
u32 adi_pdd_Control( ADI_DEV_PDD_HANDLE PDDHandle,
u32 Command,
void *pArg)
{
ERROR_CODE ErrorCode = NO_ERR;
COMMAND_STRUCT *pCmdStruct = (COMMAND_STRUCT *)pArg;
// switch on the command
switch ( Command )
{
// erase all
case CNTRL_ERASE_ALL:
ErrorCode = EraseFlash(pCmdStruct->SEraseAll.ulFlashStartAddr);
break;
// erase sector
case CNTRL_ERASE_SECT:
ErrorCode = EraseBlock( pCmdStruct->SEraseSect.nSectorNum, pCmdStruct->SEraseSect.ulFlashStartAddr );
break;
// get manufacturer and device codes
case CNTRL_GET_CODES:
ErrorCode = GetCodes((int *)pCmdStruct->SGetCodes.pManCode, (int *)pCmdStruct->SGetCodes.pDevCode, (unsigned long)pCmdStruct->SGetCodes.ulFlashStartAddr);
break;
//Filling the contents with data
case CNTRL_GET_DESC:
pCmdStruct->SGetDesc.pTitle = pEzKitTitle;
pCmdStruct->SGetDesc.pDesc = pFlashDesc;
pCmdStruct->SGetDesc.pFlashCompany = pDeviceCompany;
break;
// get sector number based on address
case CNTRL_GET_SECTNUM:
ErrorCode = GetSectorNumber( pCmdStruct->SGetSectNum.ulOffset, (int *)pCmdStruct->SGetSectNum.pSectorNum );
break;
// get sector number start and end offset
case CNTRL_GET_SECSTARTEND:
ErrorCode = GetSectorStartEnd( pCmdStruct->SSectStartEnd.pStartOffset, pCmdStruct->SSectStartEnd.pEndOffset, pCmdStruct->SSectStartEnd.nSectorNum );
break;
// get the number of sectors
case CNTRL_GETNUM_SECTORS:
pCmdStruct->SGetNumSectors.pnNumSectors[0] = NUM_SECTORS;
break;
// reset
case CNTRL_RESET:
ErrorCode = ResetFlash(pCmdStruct->SReset.ulFlashStartAddr);
break;
// no command or unknown command do nothing
default:
// set our error
ErrorCode = UNKNOWN_COMMAND;
break;
}
// return
return(ErrorCode);
}