/* $NoKeywords:$ */ /** * @file * * Config Fch LPC controller * * Init LPC Controller features. * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: FCH * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ * */ /* ***************************************************************************** * * Copyright (c) 2008 - 2012, 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" #define FILECODE PROC_FCH_SPI_LPCENV_FILECODE /** * FchInitEnvLpc - Config LPC controller before PCI emulation * * * * @param[in] FchDataPtr Fch configuration structure pointer. * */ VOID FchInitEnvLpc ( IN VOID *FchDataPtr ) { FCH_DATA_BLOCK *LocalCfgPtr; AMD_CONFIG_PARAMS *StdHeader; LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr; StdHeader = LocalCfgPtr->StdHeader; // // LPC CFG programming // // // Turn on and configure LPC clock (48MHz) // RwMem (ACPI_MMIO_BASE + MISC_BASE + 0x28, AccessWidth32, (UINT32)~(BIT21 + BIT20 + BIT19), 2 << 19); RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG40, AccessWidth8, (UINT32)~BIT7, 0); // // Initialization of pci config space // FchInitEnvLpcProgram (FchDataPtr); // // SSID for LPC Controller // if (LocalCfgPtr->Spi.LpcSsid != 0 ) { RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG2C, AccessWidth32, 0x00, LocalCfgPtr->Spi.LpcSsid, StdHeader); } // // LPC MSI // if ( LocalCfgPtr->Spi.LpcMsiEnable ) { RwPci ((LPC_BUS_DEV_FUN << 16) + 0x78 , AccessWidth32, (UINT32)~BIT1, (UINT32)BIT1, StdHeader); } }