diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/Proc/Mem/NB/HY/mnphyhy.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/Proc/Mem/NB/HY/mnphyhy.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/Proc/Mem/NB/HY/mnphyhy.c b/src/vendorcode/amd/agesa/Proc/Mem/NB/HY/mnphyhy.c new file mode 100644 index 0000000000..9720ed8b8a --- /dev/null +++ b/src/vendorcode/amd/agesa/Proc/Mem/NB/HY/mnphyhy.c @@ -0,0 +1,183 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * mnphyHy.c + * + * Northbridge Phy support for Hydra + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: (Mem/NB/HY) + * @e \$Revision: 36462 $ @e \$Date: 2010-08-20 00:49:49 +0800 (Fri, 20 Aug 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. + * + * *************************************************************************** + * + */ + + +/* + *---------------------------------------------------------------------------- + * MODULES USED + * + *---------------------------------------------------------------------------- + */ + + + +#include "AGESA.h" +#include "amdlib.h" +#include "Ids.h" +#include "ma.h" +#include "mm.h" +#include "mn.h" +#include "mt.h" +#include "mu.h" +#include "OptionMemory.h" // need def for MEM_FEAT_BLOCK_NB +#include "mnhy.h" +#include "PlatformMemoryConfiguration.h" +#include "Filecode.h" +CODE_GROUP (G1_PEICC) +RDATA_GROUP (G1_PEICC) + +#define FILECODE PROC_MEM_NB_HY_MNPHYHY_FILECODE +/*---------------------------------------------------------------------------- + * DEFINITIONS AND MACROS + * + *---------------------------------------------------------------------------- + */ +#define UNUSED_CLK 4 + +/*---------------------------------------------------------------------------- + * TYPEDEFS AND STRUCTURES + * + *---------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * PROTOTYPES OF LOCAL FUNCTIONS + * + *---------------------------------------------------------------------------- + */ + + + +/*---------------------------------------------------------------------------- + * EXPORTED FUNCTIONS + * + *---------------------------------------------------------------------------- + */ +/* -----------------------------------------------------------------------------*/ + + +/* -----------------------------------------------------------------------------*/ +/** + * + * + * This function initializes the DDR phy compensation logic + * + * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK + * + */ + +VOID +MemNInitPhyCompHy ( + IN OUT MEM_NB_BLOCK *NBPtr + ) +{ + CONST UINT8 TableCompRiseSlew20x[] = {7, 3, 2, 2}; + CONST UINT8 TableCompRiseSlew15x[] = {7, 7, 3, 2}; + CONST UINT8 TableCompFallSlew20x[] = {7, 5, 3, 2}; + CONST UINT8 TableCompFallSlew15x[] = {7, 7, 5, 3}; + UINT8 i; + UINT8 j; + UINT8 CurrDct; + UINT8 MaxDimmsPerChannel; + UINT8 *DimmsPerChPtr; + + CurrDct = NBPtr->Dct; + + // + // Get Platform Information + // + DimmsPerChPtr = FindPSOverrideEntry (NBPtr->RefPtr->PlatformMemoryConfiguration, PSO_MAX_DIMMS, NBPtr->MCTPtr->SocketId, NBPtr->ChannelPtr->ChannelID); + if (DimmsPerChPtr != NULL) { + MaxDimmsPerChannel = *DimmsPerChPtr; + } else { + MaxDimmsPerChannel = 2; + } + + // 1. BIOS disables the phy compensation register by programming F2x9C_x08[DisAutoComp]=1 + // 2. BIOS waits 5 us for the disabling of the compensation engine to complete. + // DisAutoComp will be cleared after Dram init has completed + // + MemNSwitchDCTNb (NBPtr, 0); + MemNSetBitFieldNb (NBPtr, BFDisAutoComp, 1); + MemUWait10ns (500, NBPtr->MemPtr); + MemNSwitchDCTNb (NBPtr, CurrDct); + + // 3. For each normalized driver strength code read from + // F2x[1, 0]9C_x00[AddrCmdDrvStren], program the + // corresponding 3 bit predriver code in F2x9C_x0A[D3Cmp1NCal, D3Cmp1PCal]. + // + // 4. For each normalized driver strength code read from + // F2x[1, 0]9C_x00[DataDrvStren], program the corresponding + // 3 bit predriver code in F2x9C_x0A[D3Cmp0NCal, D3Cmp0PCal, D3Cmp2NCal, + // D3Cmp2PCal]. + // + j = (UINT8) MemNGetBitFieldNb (NBPtr, BFAddrCmdDrvStren); + i = (UINT8) MemNGetBitFieldNb (NBPtr, BFDataDrvStren); + + MemNSwitchDCTNb (NBPtr, 0); + ASSERT (j <= 3); + MemNSetBitFieldNb (NBPtr, BFD3Cmp1NCal, TableCompRiseSlew20x[j]); + MemNSetBitFieldNb (NBPtr, BFD3Cmp1PCal, TableCompFallSlew20x[j]); + + ASSERT (i <= 3); + MemNSetBitFieldNb (NBPtr, BFD3Cmp0NCal, TableCompRiseSlew15x[i]); + MemNSetBitFieldNb (NBPtr, BFD3Cmp0PCal, TableCompFallSlew15x[i]); + MemNSetBitFieldNb (NBPtr, BFD3Cmp2NCal, TableCompRiseSlew15x[i]); + MemNSetBitFieldNb (NBPtr, BFD3Cmp2PCal, TableCompFallSlew15x[i]); + + // + // Special Case for certain configs + // + // 3DPCH Fully populated. + if ((MaxDimmsPerChannel == 3) && (NBPtr->ChannelPtr->Dimms == 3)) { + MemNSetBitFieldNb (NBPtr, BFD3Cmp0NCal, 3); + MemNSetBitFieldNb (NBPtr, BFD3Cmp0PCal, 5); + MemNSetBitFieldNb (NBPtr, BFD3Cmp2NCal, 3); + MemNSetBitFieldNb (NBPtr, BFD3Cmp2PCal, 5); + } + + MemNSwitchDCTNb (NBPtr, CurrDct); +} |