| /** |
| * @file |
| * |
| * Southbridge EC IO 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 "ECfan.h" |
| |
| VOID |
| ReadECmsg ( |
| IN UINT8 Address, |
| IN UINT8 OpFlag, |
| OUT VOID* Value |
| ) |
| { |
| UINT8 i; |
| |
| OpFlag = OpFlag & 0x7f; |
| if (OpFlag == 0x02) OpFlag = 0x03; |
| for (i = 0; i <= OpFlag; i++) { |
| WriteIO(MailBoxPort, AccWidthUint8, &Address); // EC_LDN9_MAILBOX_BASE_ADDRESS |
| Address++; |
| ReadIO(MailBoxPort + 1, AccWidthUint8, (UINT8 *)Value+i); // EC_LDN9_MAILBOX_BASE_ADDRESS |
| } |
| } |
| |
| |
| VOID |
| WriteECmsg ( |
| 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(MailBoxPort, AccWidthUint8, &Address); // EC_LDN9_MAILBOX_BASE_ADDRESS |
| Address++; |
| WriteIO(MailBoxPort + 1, AccWidthUint8, (UINT8 *)Value+i); // EC_LDN9_MAILBOX_BASE_ADDRESS |
| } |
| } |
| |
| VOID |
| WaitForEcLDN9MailboxCmdAck ( |
| VOID |
| ) |
| { |
| UINT8 Msgdata; |
| UINT16 Delaytime; |
| Msgdata = 0; |
| for (Delaytime = 0; Delaytime <= 500; Delaytime++) { |
| ReadECmsg (MSG_REG0, AccWidthUint8, &Msgdata); |
| if ( Msgdata == 0xfa) { |
| break; |
| } |
| SbStall (1000); // Wait for 1ms |
| } |
| } |
| |
| |