diff options
Diffstat (limited to 'src/vendorcode/amd/cimx/sb900/MemLib.c')
-rwxr-xr-x | src/vendorcode/amd/cimx/sb900/MemLib.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb900/MemLib.c b/src/vendorcode/amd/cimx/sb900/MemLib.c new file mode 100755 index 0000000000..4e158c962b --- /dev/null +++ b/src/vendorcode/amd/cimx/sb900/MemLib.c @@ -0,0 +1,93 @@ +/*;******************************************************************************** +; +; 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 +ReadMEM ( + IN UINT32 Address, + IN UINT8 OpFlag, + IN VOID* Value + ) +{ + OpFlag = OpFlag & 0x7f; + switch ( OpFlag ) { + case AccWidthUint8: + *((UINT8*)Value) = *((UINT8*) ((UINTN)Address)); + break; + case AccWidthUint16: + *((UINT16*)Value) = *((UINT16*) ((UINTN)Address)); + break; + case AccWidthUint32: + *((UINT32*)Value) = *((UINT32*) ((UINTN)Address)); + break; + default: + break; + } +} + +VOID +WriteMEM ( + IN UINT32 Address, + IN UINT8 OpFlag, + IN VOID* Value + ) +{ + OpFlag = OpFlag & 0x7f; + switch ( OpFlag ) { + case AccWidthUint8 : + *((UINT8*) ((UINTN)Address)) = *((UINT8*)Value); + break; + case AccWidthUint16: + *((UINT16*) ((UINTN)Address)) = *((UINT16*)Value); + break; + case AccWidthUint32: + *((UINT32*) ((UINTN)Address)) = *((UINT32*)Value); + break; + default: + break; + } +} + +VOID +RWMEM ( + IN UINT32 Address, + IN UINT8 OpFlag, + IN UINT32 Mask, + IN UINT32 Data + ) +{ + UINT32 Result; + ReadMEM (Address, OpFlag, &Result); + Result = (Result & Mask) | Data; + WriteMEM (Address, OpFlag, &Result); +} + + |