/* $NoKeywords:$ */ /** * @file * * Config Fch Spi (Lpc) controller * * Init Spi (Lpc) Controller features. * * @xrefitem bom "File Content Label" "Release Content" * @e project: AGESA * @e sub-project: FCH * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 17:16:51 +0800 (Wed, 22 Dec 2010) $ * */ /* ***************************************************************************** * * 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 "FchPlatform.h" #define FILECODE PROC_FCH_SPI_SPILATE_FILECODE /** * FchInitLateSpi - Prepare Spi controller to boot to OS. * * @param[in] FchDataPtr Fch configuration structure pointer. * */ VOID FchInitLateSpi ( IN VOID *FchDataPtr ) { FchInitLateLpc (FchDataPtr); } /** * FchSpiUnlock - Fch SPI Unlock * * * @param[in] FchDataPtr * */ VOID FchSpiUnlock ( IN VOID *FchDataPtr ) { UINT32 SpiRomBase; FCH_DATA_BLOCK *LocalCfgPtr; AMD_CONFIG_PARAMS *StdHeader; LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr; StdHeader = LocalCfgPtr->StdHeader; SpiRomBase = UserOptions.CfgSpiRomBaseAddress; RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG50, AccessWidth32, ~(BIT0 + BIT1), 0, StdHeader); RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG54, AccessWidth32, ~(BIT0 + BIT1), 0, StdHeader); RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG58, AccessWidth32, ~(BIT0 + BIT1), 0, StdHeader); RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG5C, AccessWidth32, ~(BIT0 + BIT1), 0, StdHeader); RwMem (SpiRomBase + FCH_SPI_MMIO_REG00, AccessWidth32, ~(BIT22 + BIT23), (BIT22 + BIT23)); } /** * FchSpiLock - Fch SPI lock * * * @param[in] FchDataPtr * */ VOID FchSpiLock ( IN VOID *FchDataPtr ) { UINT32 SpiRomBase; FCH_DATA_BLOCK *LocalCfgPtr; AMD_CONFIG_PARAMS *StdHeader; LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr; StdHeader = LocalCfgPtr->StdHeader; SpiRomBase = UserOptions.CfgSpiRomBaseAddress; RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG50, AccessWidth32, ~(BIT0 + BIT1), (BIT0 + BIT1), StdHeader); RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG54, AccessWidth32, ~(BIT0 + BIT1), (BIT0 + BIT1), StdHeader); RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG58, AccessWidth32, ~(BIT0 + BIT1), (BIT0 + BIT1), StdHeader); RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG5C, AccessWidth32, ~(BIT0 + BIT1), (BIT0 + BIT1), StdHeader); RwMem (SpiRomBase + FCH_SPI_MMIO_REG00, AccessWidth32, ~(BIT22 + BIT23), 0); }