diff options
Diffstat (limited to 'src/vendorcode/amd/cimx/sb800/IOLIB.c')
-rw-r--r-- | src/vendorcode/amd/cimx/sb800/IOLIB.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/IOLIB.c b/src/vendorcode/amd/cimx/sb800/IOLIB.c new file mode 100644 index 0000000000..cf067b4bc6 --- /dev/null +++ b/src/vendorcode/amd/cimx/sb800/IOLIB.c @@ -0,0 +1,91 @@ +/* + ***************************************************************************** + * + * 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" + + +VOID +ReadIO ( + IN UINT16 Address, + IN UINT8 OpFlag, + IN VOID* Value + ) +{ + OpFlag = OpFlag & 0x7f; + switch ( OpFlag ) { + case AccWidthUint8: + *(UINT8*)Value = ReadIo8 (Address); + break; + case AccWidthUint16: + *(UINT16*)Value = ReadIo16 (Address); + break; + case AccWidthUint32: + *(UINT32*)Value = ReadIo32 (Address); + break; + } +} + +VOID +WriteIO ( + IN UINT16 Address, + IN UINT8 OpFlag, + IN VOID* Value + ) +{ + OpFlag = OpFlag & 0x7f; + switch ( OpFlag ) { + case AccWidthUint8: + WriteIo8 (Address, *(UINT8*)Value); + break; + case AccWidthUint16: + WriteIo16 (Address, *(UINT16*)Value); + break; + case AccWidthUint32: + WriteIo32 (Address, *(UINT32*)Value); + break; + } +} + +VOID +RWIO ( + IN UINT16 Address, + IN UINT8 OpFlag, + IN UINT32 Mask, + IN UINT32 Data + ) +{ + UINT32 Result; + ReadIO (Address, OpFlag, &Result); + Result = (Result & Mask) | Data; + WriteIO (Address, OpFlag, &Result); +} |