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/**
* @file
*
* Southbridge PMIO access common routine
*
*/
/*
*****************************************************************************
*
* 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"
/*----------------------------------------------------------------------------------------*/
/**
* Read PMIO
*
*
*
* @param[in] Address - PMIO Offset value
* @param[in] OpFlag - Access sizes
* @param[in] Value - Read Data Buffer
*
*/
VOID
ReadPMIO (
IN UINT8 Address,
IN UINT8 OpFlag,
IN VOID* Value
)
{
UINT8 i;
OpFlag = OpFlag & 0x7f;
if ( OpFlag == 0x02 ) {
OpFlag = 0x03;
}
for ( i = 0; i <= OpFlag; i++ ) {
WriteIO (0xCD6, AccWidthUint8, &Address); // SB_IOMAP_REGCD6
Address++;
ReadIO (0xCD7, AccWidthUint8, (UINT8 *)Value + i); // SB_IOMAP_REGCD7
}
}
/*----------------------------------------------------------------------------------------*/
/**
* Write PMIO
*
*
*
* @param[in] Address - PMIO Offset value
* @param[in] OpFlag - Access sizes
* @param[in] Value - Write Data Buffer
*
*/
VOID
WritePMIO (
IN UINT8 Address,
IN UINT8 OpFlag,
IN VOID* Value
)
{
UINT8 i;
OpFlag = OpFlag & 0x7f;
if ( OpFlag == 0x02 ) {
OpFlag = 0x03;
}
for ( i = 0; i <= OpFlag; i++ ) {
WriteIO (0xCD6, AccWidthUint8, &Address); // SB_IOMAP_REGCD6
Address++;
WriteIO (0xCD7, AccWidthUint8, (UINT8 *)Value + i); // SB_IOMAP_REGCD7
}
}
/*----------------------------------------------------------------------------------------*/
/**
* RWPMIO - Read/Write PMIO
*
*
*
* @param[in] Address - PMIO Offset value
* @param[in] OpFlag - Access sizes
* @param[in] AndMask - Data And Mask 32 bits
* @param[in] OrMask - Data OR Mask 32 bits
*
*/
VOID
RWPMIO (
IN UINT8 Address,
IN UINT8 OpFlag,
IN UINT32 AndMask,
IN UINT32 OrMask
)
{
UINT32 Result;
OpFlag = OpFlag & 0x7f;
ReadPMIO (Address, OpFlag, &Result);
Result = (Result & AndMask) | OrMask;
WritePMIO (Address, OpFlag, &Result);
}
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