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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Modules/OFBD/StdEC/StdEC.c 2 3/16/11 10:36p Terrylin $
//
// $Revision: 2 $
//
// $Date: 3/16/11 10:36p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/OFBD/StdEC/StdEC.c $
//
// 2 3/16/11 10:36p Terrylin
// [TAG] EIP51285
// [Category] Improvement
// [Description] Fill the description for user more clearly.
// [Files] StdEC.mak
// StdEC.c
// StdEC.h
//
// 1 4/13/09 5:46a Lawrencechang
// Initial check-in.
//
// 1 3/25/05 5:37p Markw
//
//**********************************************************************
//<AMI_FHDR_START>
//
// Name: StdEC.c
//
// Description:
// This function is used to support flashing AMI EC firmware.
//
//<AMI_FHDR_END>
//**********************************************************************
#include "Efi.h"
#include "token.h"
#include <AmiLib.h>
#include <AmiDxeLib.h>
#include "StdEC.h"
#include "..\OFBD.h"
UINT8 PMBase30 = 0 ; // (for Intel ICHx)
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: ObFullRead
//
// Description: Waits for Output Buffer Full and then reads the data port
//
// Input: None
//
// Output: KBC Data port data
//
//<AMI_PHDR_END>
//**********************************************************************
UINT8 ObFullRead()
{
for (;;) {
if (IoRead8(EC_KBC_CMD_PORT) & EC_KBC_OBF) {
return IoRead8(EC_KBC_DATA_PORT);
}
}
}
void IbFree()
{
for (;;) {
if (!(IoRead8(EC_KBC_CMD_PORT) & EC_KBC_IBF)) {
break;
}
}
}
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: WriteKeyboardCommand
//
// Description: Writes command to KBC.
//
// Input: Command to send to KBC
//
// Output: None
//
//<AMI_PHDR_END>
//**********************************************************************
void WriteKeyboardCommand(UINT8 bCmd)
{
IbFree();
IoWrite8(EC_KBC_CMD_PORT, bCmd);
IbFree();
}
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: WriteKeyboardData
//
// Description: Writes data to KBC.
//
// Input: Data to send to KBC
//
// Output: None
//
//<AMI_PHDR_END>
//**********************************************************************
void WriteKeyboardData(UINT8 bData)
{
IbFree();
IoWrite8(EC_KBC_DATA_PORT, bData);
IbFree();
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: OFBDECCommand
//
// Description: EC command
//
// Input:
// IN UINT8 bCmd
// Output:
// EFI_STATUS
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
OFBDECCommand(IN UINT8 bCmd)
{
EFI_STATUS Status = EFI_SUCCESS;
WriteKeyboardCommand(bCmd);
if(ObFullRead() != EC_NO_ERROR_FM_ACK)
Status = RETURN_ERR;
return(Status);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: OFBDECCheckSum
//
// Description: computes EC data checksum
//
// Input:
// IN UINT8 *BuffPtr
// IN UINT32 Size
// Output:
// UINT32
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT32
OFBDECCheckSum(IN UINT8 *BuffPtr, IN UINT32 Size)
{
UINT32 CheckSum = 0;
UINT32 i = 0;
for (i = 0; i < Size / sizeof (UINT32); i++)
CheckSum += *(UINT32*)(BuffPtr + i * sizeof (UINT32));
return (~CheckSum);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: USBKeyboardMouseDisable
//
// Description: USB Keyboard Mouse Disable
//
// Input:
// IN OFBD_TC_54_STD_EC_STRUCT *ECStructPtr
// OUT UINT8 *ReturnErr
// Output:
// EFI_STATUS
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
USBKeyboardMouseDisable(
IN OFBD_TC_54_STD_EC_STRUCT *ECStructPtr,
OUT UINT8 *ReturnErr)
{
EFI_STATUS Status = EFI_SUCCESS;
if(ECStructPtr->dbFlaSts & OFBD_TC_STD_EC_START)
{
*ReturnErr = 0;
// Disable Legacy USB SMI
//for example (for Intel ICHx)
//PMBase30 = IoRead8 (PM_BASE_ADDRESS + 0x30) ;
//IoWrite8 ( (PM_BASE_ADDRESS + 0x30), (PMBase30 & ~8));
}
return(Status);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: USBKeyboardMouseEnable
//
// Description: USB Keyboard Mouse Enable
//
// Input:
// IN OFBD_TC_54_STD_EC_STRUCT *ECStructPtr,
// IN UINT8 *ReturnErr)
// Output:
// EFI_STATUS
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
USBKeyboardMouseEnable(
IN OFBD_TC_54_STD_EC_STRUCT *ECStructPtr,
IN UINT8 *ReturnErr)
{
EFI_STATUS Status = EFI_SUCCESS;
if((ECStructPtr->dbFlaSts & OFBD_TC_STD_EC_END) | (*ReturnErr != 0))
{
// Restore Legacy USB SMI
//for example (for Intel ICHx)
//IoWrite8 ( (PM_BASE_ADDRESS + 0x30), PMBase30 ) ;
}
return(Status);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: OFBDStdECStart
//
// Description: for EC firmware entry flash mode and start transmit data
//
// Input:
// IN OUT OFBD_TC_54_STD_EC_STRUCT *ECStructPtr
// Output:
// EFI_STATUS
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
OFBDStdECStart(
IN OUT OFBD_TC_54_STD_EC_STRUCT *ECStructPtr)
{
EFI_STATUS Status = EFI_SUCCESS;
UINT16 ChipID = 0;
VOID *pOFBDTblEnd = (VOID *)((UINT8 *)ECStructPtr + sizeof(OFBD_TC_54_STD_EC_STRUCT) + sizeof(OFBD_END));
WriteKeyboardCommand(EC_CMD_DISABLE_KBD); //0xAD
//Identify Chip ID
WriteKeyboardCommand(EC_CMD_GET_CHIPID); //0xA3
ChipID = ObFullRead() << 8; //Chip ID HiByte
ChipID |= ObFullRead(); //save Chip ID LowByte
if(*(UINT16 *)pOFBDTblEnd != ChipID)
{
ECStructPtr->dwRetSts |= OFBD_RS_EC_CHIPID;
WriteKeyboardCommand(EC_CMD_ENABLE_KBD); //0xAE
return(RETURN_ERR);
}
WriteKeyboardCommand(EC_CMD_ENABLE_KBD); //0xAE
//Entry Flash Mode 0xDF
if(OFBDECCommand(EC_CMD_ENTRY_FLASHMODE) != EFI_SUCCESS)
{
ECStructPtr->dwRetSts |= OFBD_RS_EC_ENTRY;
return(RETURN_ERR);
}
//Erase Flash Memory 0x01
if(OFBDECCommand(EC_CMD_ERASE_MEMORY) != EFI_SUCCESS)
{
ECStructPtr->dwRetSts |= OFBD_RS_EC_ERASE;
WriteKeyboardCommand(EC_CMD_EXIT_FLASHMODE); //0xFE
return(RETURN_ERR);
}
//Initial Programming Mode 0x02
if(OFBDECCommand(EC_CMD_INITIAL_PM) != EFI_SUCCESS)
{
ECStructPtr->dwRetSts |= OFBD_RS_EC_INIT;
WriteKeyboardCommand(EC_CMD_EXIT_FLASHMODE); //0xFE
return(RETURN_ERR);
}
ECStructPtr->dwRetSts |= OFBD_RS_EC_OK;
return(Status);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: OFBDStdECFlash
//
// Description: for EC firmware to transmit data
//
// Input:
// IN OFBD_TC_54_STD_EC_STRUCT *ECStructPtr
// Output:
// EFI_STATUS
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
OFBDStdECFlash(IN OFBD_TC_54_STD_EC_STRUCT *ECStructPtr)
{
EFI_STATUS Status = EFI_SUCCESS;
UINT32 CheckSum = 0;
UINT8 ByteCheckSum = 0;
VOID *pOFBDTblEnd = (VOID *)((UINT8 *)ECStructPtr + sizeof(OFBD_TC_54_STD_EC_STRUCT) + sizeof(OFBD_END));
UINT8 *DataPtr = (UINT8 *)(*(UINT64 *)((UINT8 *)pOFBDTblEnd - sizeof(OFBD_END)));
UINT32 i, j;
//calc Check Sum
CheckSum = OFBDECCheckSum(DataPtr, ECStructPtr->ddSize);
if(ECStructPtr->ddChkSum != CheckSum)
{
ECStructPtr->dwRetSts |= OFBD_RS_EC_CHKSUM;
return(RETURN_ERR);
}
for(i=0; i < ECStructPtr->ddSize; i += 0x80)
{
//Start Flash Data Transmit
if(OFBDECCommand(EC_CMD_START_TRANS) != EFI_SUCCESS)
{
ECStructPtr->dwRetSts |= OFBD_RS_EC_START;
WriteKeyboardCommand(EC_CMD_EXIT_FLASHMODE); //0xFE
return(RETURN_ERR);
}
ByteCheckSum = 0;
for(j = 0; j < 0x80; j++)
{
WriteKeyboardData(*(DataPtr + i + j));
ByteCheckSum += *(DataPtr + i + j);
}
if(ObFullRead() == ByteCheckSum)
{
//Write Flash Data 0x04
if(OFBDECCommand(EC_CMD_WRITE_DATA) != EFI_SUCCESS)
{
ECStructPtr->dwRetSts |= OFBD_RS_EC_WRITE;
WriteKeyboardCommand(EC_CMD_EXIT_FLASHMODE); //0xFE
return(RETURN_ERR);
}
}
else
{
i -= 0x80;
}
}
ECStructPtr->dwRetSts |= OFBD_RS_EC_OK;
return(Status);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: OFBDStdECEnd
//
// Description: for EC firmware leave flash mode and finished transmit data
//
// Input:
// IN OUT OFBD_TC_54_STD_EC_STRUCT *ECStructPtr
// IN OUT OFBD_HDR *pOFBDHdr
// Output:
// EFI_STATUS
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
OFBDStdECEnd(
IN OUT OFBD_TC_54_STD_EC_STRUCT *ECStructPtr,
IN OUT OFBD_HDR *pOFBDHdr)
{
EFI_STATUS Status = EFI_SUCCESS;
//Exit Programming Mode 0x05
if(OFBDECCommand(EC_CMD_EXIT_PM) != EFI_SUCCESS)
{
ECStructPtr->dwRetSts |= OFBD_RS_EC_EXIT;
WriteKeyboardCommand(EC_CMD_EXIT_FLASHMODE); //0xFE
return(RETURN_ERR);
}
if(pOFBDHdr->OFBD_OS & OFBD_OS_DOS)
WriteKeyboardCommand(EC_CMD_RESTART); //0xFF
else
WriteKeyboardCommand(EC_CMD_EXIT_FLASHMODE); //0xFE
ECStructPtr->dwRetSts |= OFBD_RS_EC_OK;
return(Status);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: OFBDStdECFlashHandle
//
// Description: OFBD Standard EC Flash Handle
//
// Input:
// IN OUT OFBD_TC_54_STD_EC_STRUCT *ECStructPtr
// IN OUT OFBD_HDR *pOFBDHdr
// Output:
// EFI_STATUS
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
OFBDStdECFlashHandle(
IN OUT OFBD_TC_54_STD_EC_STRUCT *ECStructPtr,
IN OUT OFBD_HDR *pOFBDHdr)
{
EFI_STATUS Status = EFI_SUCCESS;
UINT8 ReturnErr = 0;
USBKeyboardMouseDisable(ECStructPtr, &ReturnErr);
if(ECStructPtr->dbFlaSts & OFBD_TC_STD_EC_START)
{
//Entry flash mode
ReturnErr = (UINT8)OFBDStdECStart(ECStructPtr);
}
else if(ECStructPtr->dbFlaSts & OFBD_TC_STD_EC_FLASH)
{
//Transmit data
ReturnErr = (UINT8)OFBDStdECFlash(ECStructPtr);
}
else if(ECStructPtr->dbFlaSts & OFBD_TC_STD_EC_END)
{
//Leave flash mode
ReturnErr = (UINT8)OFBDStdECEnd(ECStructPtr, pOFBDHdr);
}
else
{
Status = RETURN_ERR;
}
USBKeyboardMouseEnable(ECStructPtr, &ReturnErr);
return(Status);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: OFBDEntryPoint
//
// Description: OFBD Standard EC Flash Entry Point
//
// Input:
// IN VOID *Buffer
// IN OUT UINT8 *pOFBDDataHandled
// Output:
// VOID
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID StdECEntry (
IN VOID *Buffer,
IN OUT UINT8 *pOFBDDataHandled )
{
OFBD_HDR *pOFBDHdr;
OFBD_EXT_HDR *pOFBDExtHdr;
VOID *pOFBDTblEnd;
OFBD_TC_54_STD_EC_STRUCT *ECStructPtr;
if(*pOFBDDataHandled == 0)
{
pOFBDHdr = (OFBD_HDR *)Buffer;
pOFBDExtHdr = (OFBD_EXT_HDR *)((UINT8 *)Buffer + (pOFBDHdr->OFBD_HDR_SIZE));
ECStructPtr = (OFBD_TC_54_STD_EC_STRUCT *)((UINT8 *)pOFBDExtHdr + sizeof(OFBD_EXT_HDR));
pOFBDTblEnd = (VOID *)((UINT8 *)Buffer + (pOFBDHdr->OFBD_Size));
//TRACE((-1,"pOFBDHdr address is:%x ------\n",pOFBDHdr));
//TRACE((-1,"pOFBDTblEnd address is:%x ------\n",*(UINT64 *)((UINT8 *)pOFBDTblEnd -sizeof(OFBD_END))));
if(pOFBDHdr->OFBD_FS & OFBD_FS_EC)
{
//Check Type Code ID
if(pOFBDExtHdr->TypeCodeID == OFBD_EXT_TC_EC)
{
//IoWrite32(0x300, *(UINT32 *)((UINT8 *)pOFBDTblEnd -4)); //debug
if(OFBDStdECFlashHandle(ECStructPtr, pOFBDHdr) == EFI_SUCCESS)
{
//Standard EC Flash Handled
*pOFBDDataHandled = 0xFF;
return;
}
else
{
//Not Standard EC Flash Data
*pOFBDDataHandled = 0;
return;
}
}
else
{
//Error occured
*pOFBDDataHandled = 0xFE;
return;
}
}
}
return;
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
