| /* $NoKeywords:$ */ |
| /** |
| * @file |
| * |
| * Config Fch Imc controller |
| * |
| * Init Imc Controller features. |
| * |
| * @xrefitem bom "File Content Label" "Release Content" |
| * @e project: AGESA |
| * @e sub-project: FCH |
| * @e \$Revision: 87213 $ @e \$Date: 2013-01-30 15:37:54 -0600 (Wed, 30 Jan 2013) $ |
| * |
| */ |
| /* |
| ***************************************************************************** |
| * |
| * Copyright (c) 2008 - 2013, 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 "FchPlatform.h" |
| #include "Filecode.h" |
| #define FILECODE PROC_FCH_IMC_FAMILY_YANGTZE_YANGTZEIMCSERVICE_FILECODE |
| |
| // |
| // Declaration of local functions |
| // |
| |
| |
| /** |
| * SoftwareToggleImcStrapping - Software Toggle IMC Firmware Strapping. |
| * |
| * |
| * @param[in] FchDataPtr Fch configuration structure pointer. |
| * |
| */ |
| VOID |
| SoftwareToggleImcStrapping ( |
| IN VOID *FchDataPtr |
| ) |
| { |
| UINT8 ValueByte; |
| AMD_CONFIG_PARAMS *StdHeader; |
| FCH_DATA_BLOCK *LocalCfgPtr; |
| |
| StdHeader = ((FCH_DATA_BLOCK *) FchDataPtr)->StdHeader; |
| LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr; |
| |
| if ( LocalCfgPtr->Imc.ImcEnableOverWrite == 1 ) { |
| RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGD6 + 1, AccessWidth8, 0x7F, BIT7); |
| |
| ValueByte = 0x0; |
| while (ValueByte == 0) { |
| FchStall (10000, StdHeader); |
| ReadPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG40, AccessWidth8, &ValueByte, StdHeader); |
| ValueByte &= 0x80; |
| }; |
| RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGC4, AccessWidth8, 0xF7, 0x08); |
| |
| EnterEcConfig (StdHeader); |
| RwEc8 (FCH_EC_REG07, 0x00, 0x09, StdHeader); ///switch to device 9 (Mailbox) |
| RwEc8 (FCH_EC_REG60, 0x00, (MailBoxPort >> 8), StdHeader); ///set MSB of Mailbox port |
| RwEc8 (FCH_EC_REG61, 0x00, (MailBoxPort & 0xFF), StdHeader); ///set LSB of Mailbox port |
| RwEc8 (FCH_EC_REG30, 0x00, 0x01, StdHeader); ///;Enable Mailbox Registers Interface, bit0=1 |
| |
| RwMem (ACPI_MMIO_BASE + SMI_BASE + FCH_SMI_REGB3, AccessWidth8, (UINT32)~BIT6, BIT6); |
| ExitEcConfig (StdHeader); |
| |
| ImcSleep (FchDataPtr); |
| } else { |
| RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGD6 + 1, AccessWidth8, 0x7F, 0); |
| } |
| } |
| |