Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 1 | /* |
| 2 | ***************************************************************************** |
| 3 | * |
| 4 | * Copyright (c) 2011, Advanced Micro Devices, Inc. |
| 5 | * All rights reserved. |
Edward O'Callaghan | ef5981b | 2014-07-06 19:20:52 +1000 | [diff] [blame^] | 6 | * |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions are met: |
| 9 | * * Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * * Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
Edward O'Callaghan | ef5981b | 2014-07-06 19:20:52 +1000 | [diff] [blame^] | 14 | * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| 15 | * its contributors may be used to endorse or promote products derived |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 16 | * from this software without specific prior written permission. |
Edward O'Callaghan | ef5981b | 2014-07-06 19:20:52 +1000 | [diff] [blame^] | 17 | * |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 21 | * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| 22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Edward O'Callaghan | ef5981b | 2014-07-06 19:20:52 +1000 | [diff] [blame^] | 28 | * |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 29 | * *************************************************************************** |
| 30 | * |
| 31 | */ |
| 32 | |
| 33 | #include "SBPLATFORM.h" |
| 34 | #include "cbtypes.h" |
| 35 | |
| 36 | VOID |
| 37 | ReadMEM ( |
| 38 | IN UINT32 Address, |
| 39 | IN UINT8 OpFlag, |
| 40 | IN VOID* Value |
| 41 | ) |
| 42 | { |
| 43 | OpFlag = OpFlag & 0x7f; |
| 44 | switch ( OpFlag ) { |
| 45 | case AccWidthUint8: |
| 46 | *((UINT8*)Value) = *((UINT8*) ((UINTN)Address)); |
| 47 | break; |
| 48 | case AccWidthUint16: |
| 49 | //*((UINT16*)Value) = *((UINT16*) ((UINTN)Address)); //gcc break strict-aliasing rules |
| 50 | *((UINT8*)Value) = *((UINT8*) ((UINTN)Address)); |
| 51 | *((UINT8*)Value + 1) = *((UINT8*)((UINTN)Address) + 1); |
| 52 | break; |
| 53 | case AccWidthUint32: |
| 54 | *((UINT32*)Value) = *((UINT32*) ((UINTN)Address)); |
| 55 | break; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | VOID |
| 60 | WriteMEM ( |
| 61 | IN UINT32 Address, |
| 62 | IN UINT8 OpFlag, |
| 63 | IN VOID* Value |
| 64 | ) |
| 65 | { |
| 66 | OpFlag = OpFlag & 0x7f; |
| 67 | switch ( OpFlag ) { |
| 68 | case AccWidthUint8 : |
| 69 | *((UINT8*) ((UINTN)Address)) = *((UINT8*)Value); |
| 70 | break; |
| 71 | case AccWidthUint16: |
| 72 | //*((UINT16*) ((UINTN)Address)) = *((UINT16*)Value); //gcc break strict-aliasing rules |
| 73 | *((UINT8*)((UINTN)Address)) = *((UINT8*)Value); |
| 74 | *((UINT8*)((UINTN)Address) + 1) = *((UINT8*)Value + 1); |
| 75 | break; |
| 76 | case AccWidthUint32: |
| 77 | *((UINT32*) ((UINTN)Address)) = *((UINT32*)Value); |
| 78 | break; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | VOID |
| 83 | RWMEM ( |
| 84 | IN UINT32 Address, |
| 85 | IN UINT8 OpFlag, |
| 86 | IN UINT32 Mask, |
| 87 | IN UINT32 Data |
| 88 | ) |
| 89 | { |
| 90 | UINT32 Result; |
| 91 | ReadMEM (Address, OpFlag, &Result); |
| 92 | Result = (Result & Mask) | Data; |
| 93 | WriteMEM (Address, OpFlag, &Result); |
| 94 | } |
| 95 | |
| 96 | |