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/*
*****************************************************************************
*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* ***************************************************************************
*
*/
#include "SBPLATFORM.h"
VOID
ReadPCI (
IN UINT32 Address,
IN UINT8 OpFlag,
IN VOID* Value
)
{
OpFlag = OpFlag & 0x7f;
if ( (UINT16)Address < 0xff ) {
//Normal Config Access
UINT32 AddrCf8;
AddrCf8 = (1 << 31) + ((Address >> 8) & 0x0FFFF00) + (Address & 0xFC);
WriteIO (0xCf8, AccWidthUint32, &AddrCf8);
ReadIO ((UINT16) (0xCfC + (Address & 0x3)), OpFlag, Value);
}
}
VOID
WritePCI (
IN UINT32 Address,
IN UINT8 OpFlag,
IN VOID* Value
)
{
OpFlag = OpFlag & 0x7f;
if ( (UINT16)Address < 0xff ) {
//Normal Config Access
UINT32 AddrCf8;
AddrCf8 = (1 << 31) + ((Address >> 8)&0x0FFFF00) + (Address & 0xFC);
WriteIO (0xCf8, AccWidthUint32, &AddrCf8);
WriteIO ((UINT16) (0xCfC + (Address & 0x3)), OpFlag, Value);
}
}
VOID
RWPCI (
IN UINT32 Address,
IN UINT8 OpFlag,
IN UINT32 Mask,
IN UINT32 Data
)
{
UINT32 Result;
Result = 0;
OpFlag = OpFlag & 0x7f;
ReadPCI (Address, OpFlag, &Result);
Result = (Result & Mask) | Data;
WritePCI (Address, OpFlag, &Result);
}
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