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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2009, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
//
//*************************************************************************
// $Header: /Alaska/BIN/IO/Fintek/F81216_Sec/F81216 Board/OemIoDecode.c 1 3/31/10 5:56a Fantasylai $
//
// $Revision: 1 $
//
// $Date: 3/31/10 5:56a $
//*************************************************************************
// Revision History
// ----------------
// $Log: /Alaska/BIN/IO/Fintek/F81216_Sec/F81216 Board/OemIoDecode.c $
//
// 1 3/31/10 5:56a Fantasylai
// Initial release to F81216 just as a second IO
//
//*************************************************************************
//<AMI_FHDR_START>
//
// Name: <OemIoDecode.C>
//
// Description: If can't decode IO usually. Change other IoDecode mode in file.
//
// Note:
// !!!!!!!!!!!!Attention!!!!!!!!!!!Attention!!!!!!!!!!!Attention!!!!!!!!!!!
// This sample is not for any chipset, it bases on a chipset. For any indivadual
// projects, should re-program the IO decode policy.
// !!!!!!!!!!!!Attention!!!!!!!!!!!Attention!!!!!!!!!!!Attention!!!!!!!!!!!
//
//<AMI_FHDR_END>
//*************************************************************************
#include <Efi.h>
#include <Token.h>
#include <Protocol\PciIo.h>
#include <Protocol\AmiSio.h>
#if(IODECODETYPE)
//<AMI_PHDR_START>
//----------------------------------------------------------------------
// Procedure: OEM_F81216_LPCDeviceDecoding
//
// Description: This function goes through the elinked list of identify
// functions giving control when the token "IODECODETYPE == 1".
//
// Input: Base - I/O base address, Base=0 means disable the decode of the device
// DevUid - The device Unique ID
// If type is 0xFF, DevUid contain the IO length
//
// Output: EFI_STATUS
// EFI_SUCCESS - Set successfully.
// EFI_INVALID_PARAMETER - the Input parameter is invalid.
//
// Note:
// Input paramete is a multi-paramete. If type is 0xFF, DevUid contain the IO length
//
//----------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS OEM_F81216_LPCDeviceDecoding(
IN EFI_PCI_IO_PROTOCOL *LpcPciIo,
IN UINT16 Base,
IN UINT8 DevUid
)
{//Chipset porting should provide the Io Ranage decode function.
//If chipset porting provide this function, set IODECODETYPE = 0.
//If chipset porting doesn't provide this function, you can use a eLink to replace OEM_F81216_LPCDeviceDecoding()
//In file of IoDecodeSample.c, there is a example code to decode IO Range. You can eLink your code with CORE_DXEBin object.
//-------------------------------------
EFI_STATUS Status=EFI_SUCCESS;
/*
EFI_STATUS Status;
ICH_LPC_IO_DECODE_REG dr; //IchDecode Register
BOOLEAN a;
//---------------------------------------------------------
//Read what currently have there...
Status = LpcPciIo->Pci.Read(LpcPciIo, EfiPciIoWidthUint16,
ICH_LPC_IO_DECODE_OFFSET, 1, &dr.IO_DECODE_REG);
if (EFI_ERROR(Status)) return Status;
a = TRUE;
//Check all possible BAse Addresses
switch(Base){
//LPT Address range
case 0x378 :
dr.LptDecode = 0;
break;
case 0x278 :
dr.LptDecode=1;
break;
case 0x3bc :
dr.LptDecode=2;
break;
//FDC Address range
case 0x3f0 :
dr.FdcDecode = 0;
break;
case 0x370 :
dr.FdcDecode = 1;
break;
//COM Port Address range
case 0x3f8 :
if (DevUid)
dr.ComBDecode=0;
else
dr.ComADecode=0;
break;
case 0x2f8 :
if (DevUid)
dr.ComBDecode=1;
else
dr.ComADecode=1;
break;
case 0x220 :
if (DevUid)
dr.ComBDecode=2;
else
dr.ComADecode=2;
break;
case 0x228 :
if (DevUid)
dr.ComBDecode=3;
else
dr.ComADecode=3;
break;
case 0x238 :
if (DevUid)
dr.ComBDecode=4;
else
dr.ComADecode=4;
break;
case 0x2E8 :
if (DevUid)
dr.ComBDecode=5;
else
dr.ComADecode=5;
break;
case 0x338 :
if (DevUid)
dr.ComBDecode=6;
else
dr.ComADecode=6;
break;
case 0x3e8 :
if (DevUid)
dr.ComBDecode=7;
else
dr.ComADecode=7;
break;
default :
a = FALSE;
}
//Use Provided LPC Bridge PCI IO to write data back
if (a) Status=LpcPciIo->Pci.Write(LpcPciIo, EfiPciIoWidthUint16,
ICH_LPC_IO_DECODE_OFFSET, 1, &dr.IO_DECODE_REG);
*/
return Status;
}
#endif
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2009, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
|
