/* $NoKeywords:$ */ /** * @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 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. * * AMD is granting you permission to use this software (the Materials) * pursuant to the terms and conditions of your Software License Agreement * with AMD. This header does *NOT* give you permission to use the Materials * or any rights under AMD's intellectual property. Your use of any portion * of these Materials shall constitute your acceptance of those terms and * conditions. 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Use of the Materials by the * Government constitutes acknowledgement of AMD's proprietary rights in them. * * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any * direct product thereof will be exported directly or indirectly, into any * country prohibited by the United States Export Administration Act and the * regulations thereunder, without the required authorization from the U.S. * government nor will be used for any purpose prohibited by the same. **************************************************************************** */ #include "FchPlatform.h" #include "Filecode.h" #define FILECODE PROC_FCH_SPI_FAMILY_HUDSON2_HUDSON2LPCRESETSERVICE_FILECODE /** * FchInitHudson2ResetLpcPciTable - Lpc (Spi) device registers * initial during the power on stage. * * * * */ REG8_MASK FchInitHudson2ResetLpcPciTable[] = { // // LPC Device (Bus 0, Dev 20, Func 3) // {0x00, LPC_BUS_DEV_FUN, 0}, {FCH_LPC_REG48, 0x00, BIT0 + BIT1 + BIT2}, {FCH_LPC_REG7C, 0x00, BIT0 + BIT2}, {0x78 , 0xF0, BIT2 + BIT3}, /// Enable LDRQ pin {FCH_LPC_REGBB, 0xFF, BIT3 + BIT4 + BIT5}, // // Set 0xBB [5:3] = 111 to improve SPI timing margin. // Set 0xBA [6:5] = 11 improve SPI timing margin. (SPI Prefetch enhancement) // {FCH_LPC_REGBB, 0xBE, BIT0 + BIT3 + BIT4 + BIT5}, {FCH_LPC_REGBA, 0x9F, BIT5 + BIT6}, // Force EC_PortActive to 1 to fix possible IR non function issue when NO_EC_SUPPORT is defined {FCH_LPC_REGA4, (UINT8)~ BIT0, BIT0}, {0xFF, 0xFF, 0xFF}, }; /** * FchInitResetLpcProgram - Config Lpc controller during Power-On * * * * @param[in] FchDataPtr Fch configuration structure pointer. * */ VOID FchInitResetLpcProgram ( IN VOID *FchDataPtr ) { FCH_RESET_DATA_BLOCK *LocalCfgPtr; AMD_CONFIG_PARAMS *StdHeader; LocalCfgPtr = (FCH_RESET_DATA_BLOCK *) FchDataPtr; StdHeader = LocalCfgPtr->StdHeader; // // enable prefetch on Host, set LPC cfg 0xBB bit 0 to 1 // RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REGBA, AccessWidth16, 0xFFFF, BIT8, StdHeader); RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG6C, AccessWidth32, 0xFFFFFF00, 0, StdHeader); ProgramPciByteTable ( (REG8_MASK*) (&FchInitHudson2ResetLpcPciTable[0]), sizeof (FchInitHudson2ResetLpcPciTable) / sizeof (REG8_MASK), StdHeader); // // Enabling ClkRun Function // RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REGBB, AccessWidth8, 0xFB, BIT2, StdHeader); RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REGD0, AccessWidth8, 0xFB, 0, StdHeader); // // LPC CLK0 Power-Down Function // if (!IsImcEnabled (StdHeader)) { RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGD2, AccessWidth8, 0xFF, BIT3); } else { RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGD2, AccessWidth8, (UINT32)~ (BIT3), 0); } if ( LocalCfgPtr->LegacyFree ) { RwPci (((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG44), AccessWidth32, 00, 0x0003C000, StdHeader); } else { RwPci (((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REG44), AccessWidth32, 00, 0xFF03FFD5, StdHeader); } }