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/* $NoKeywords:$ */
/**
* @file
*
* Config Fch SD controller
*
* Init SD 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_SD_SDENV_FILECODE
/**
* FchInitEnvSd - Config SD controller before PCI emulation
*
*
*
* @param[in] FchDataPtr Fch configuration structure pointer.
*
*/
VOID
FchInitEnvSd (
IN VOID *FchDataPtr
)
{
UINT8 SdData;
UINT32 SdData32;
FCH_DATA_BLOCK *LocalCfgPtr;
AMD_CONFIG_PARAMS *StdHeader;
LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
StdHeader = LocalCfgPtr->StdHeader;
//
// SD Configuration
//
if ( LocalCfgPtr->Sd.SdConfig != SdDisable) {
RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG41, AccessWidth8, 0xF1, 0x48);
RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG42, AccessWidth8, 0xFE, 0x00);
RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGE7, AccessWidth8, 0x00, 0x12);
//
// INT#A SD resource
//
SdData = 0x97; /// Azalia APIC index
LibAmdIoWrite (AccessWidth8, FCH_IOMAP_REGC00, &SdData, StdHeader);
SdData = 0x10; /// IRQ16 (INTA#)
LibAmdIoWrite (AccessWidth8, FCH_IOMAP_REGC01, &SdData, StdHeader);
ReadPci ((SD_BUS_DEV_FUN << 16) + SD_PCI_REGA4, AccessWidth32, &SdData32, StdHeader);
SdData32 |= BIT31 + BIT24 + BIT18 + BIT16; ///ADMA
if ( LocalCfgPtr->Sd.SdConfig == SdDma) {
SdData32 &= ~(BIT16 + BIT24); ///DMA
} else if ( LocalCfgPtr->Sd.SdConfig == SdPio) {
SdData32 &= ~(BIT16 + BIT18 + BIT24); ///PIO
}
SdData32 &= ~(BIT17 + BIT23); ///clear bitwidth
SdData32 |= (LocalCfgPtr->Sd.SdSpeed << 17) + (LocalCfgPtr->Sd.SdBitWidth << 23);
RwPci ((SD_BUS_DEV_FUN << 16) + SD_PCI_REGA4, AccessWidth32, 0, SdData32, StdHeader);
// SD: Some SD cards cannot be detected in HIGH speed mode
RwPci ((SD_BUS_DEV_FUN << 16) + SD_PCI_REGB0, AccessWidth32, (UINT32) (~ (0x03 << 10)), (UINT32) (0x03 << 10), StdHeader);
} else {
RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGD3, AccessWidth8, 0xBF, 0x00);
}
}
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