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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"
UINT8
getNumberOfCpuCores (
OUT VOID
)
{
UINT8 Result;
Result = 1;
Result = ReadNumberOfCpuCores ();
return Result;
}
UINT32
readAlink (
IN UINT32 Index
)
{
UINT32 Data;
WriteIO (ALINK_ACCESS_INDEX, AccWidthUint32, &Index);
ReadIO (ALINK_ACCESS_DATA, AccWidthUint32, &Data);
//Clear Index
Index = 0;
WriteIO (ALINK_ACCESS_INDEX, AccWidthUint32, &Index);
return Data;
}
VOID
writeAlink (
IN UINT32 Index,
IN UINT32 Data
)
{
WriteIO (ALINK_ACCESS_INDEX, AccWidthUint32 | S3_SAVE, &Index);
WriteIO (ALINK_ACCESS_DATA, AccWidthUint32 | S3_SAVE, &Data);
//Clear Index
Index = 0;
WriteIO (ALINK_ACCESS_INDEX, AccWidthUint32 | S3_SAVE, &Index);
}
VOID
rwAlink (
IN UINT32 Index,
IN UINT32 AndMask,
IN UINT32 OrMask
)
{
UINT32 AccesType;
AccesType = Index & 0xE0000000;
if (AccesType == (AXINDC << 29)) {
writeAlink ((SB_AX_INDXC_REG30 | AccesType), Index & 0x1FFFFFFF);
Index = (SB_AX_DATAC_REG34 | AccesType);
} else if (AccesType == (AXINDP << 29)) {
writeAlink ((SB_AX_INDXP_REG38 | AccesType), Index & 0x1FFFFFFF);
Index = (SB_AX_DATAP_REG3C | AccesType);
}
writeAlink (Index, (readAlink (Index) & AndMask) | OrMask );
}
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