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/**
* @file
*
* Southbridge PMIO access common routine
*
*/
/*
*****************************************************************************
*
* Copyright (c) 2011, Advanced Micro Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Advanced Micro Devices, Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***************************************************************************
*
*/
#include "SBPLATFORM.h"
#include "cbtypes.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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