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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/plat/mem/prdfMemSymbol.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2018 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#include <prdfMemSymbol.H>
// Framework includes
#include <prdfExtensibleChip.H>
#include <prdfTrace.H>
// Parser includes
#include <prdfParserUtils.H>
using namespace TARGETING;
namespace PRDF
{
using namespace PlatServices;
using namespace CEN_SYMBOL;
using namespace PARSERUTILS;
//##############################################################################
// class MemSymbol
//##############################################################################
MemSymbol::MemSymbol( TARGETING::TargetHandle_t i_trgt, const MemRank & i_rank,
uint8_t i_symbol, uint8_t i_pins ) :
iv_trgt(i_trgt), iv_rank(i_rank), iv_symbol(i_symbol),
iv_pins(i_pins), iv_isDramSpared(false), iv_isEccSpared(false)
{
PRDF_ASSERT( nullptr != i_trgt );
PRDF_ASSERT( TYPE_MBA == getTargetType(i_trgt) ||
TYPE_MCA == getTargetType(i_trgt) );
// Allowing an invalid symbol. Use isValid() to check validity.
PRDF_ASSERT( i_pins <= CEN_SYMBOL::BOTH_SYMBOL_DQS );
}
//------------------------------------------------------------------------------
MemSymbol MemSymbol::fromGalois( TargetHandle_t i_trgt, const MemRank & i_rank,
uint8_t i_galois, uint8_t i_mask )
{
// Get symbol from Galois field.
uint8_t symbol = SYMBOLS_PER_RANK;
for ( uint32_t i = 0; i < SYMBOLS_PER_RANK; i++ )
{
if ( symbol2Galois[i] == i_galois )
{
symbol = i;
break;
}
}
// Get pins from mask.
uint8_t pins = NO_SYMBOL_DQS;
if ( TYPE_MBA == getTargetType(i_trgt) )
{
// 2 pins for MBA.
if ( 0 != (i_mask & 0xaa) ) pins |= EVEN_SYMBOL_DQ;
if ( 0 != (i_mask & 0x55) ) pins |= ODD_SYMBOL_DQ;
}
else
{
// 1 pin for MCA.
if ( 0 != (i_mask & 0xff) ) pins |= ODD_SYMBOL_DQ;
}
return MemSymbol( i_trgt, i_rank, symbol, pins );
}
//------------------------------------------------------------------------------
uint8_t MemSymbol::getDq() const
{
bool isMba = TYPE_MBA == getTargetType(iv_trgt);
return isMba ? symbol2Dq<TYPE_MBA>(iv_symbol)
: symbol2Dq<TYPE_MCA>(iv_symbol);
}
//------------------------------------------------------------------------------
uint8_t MemSymbol::getPortSlct() const
{
bool isMba = TYPE_MBA == getTargetType(iv_trgt);
return isMba ? symbol2PortSlct<TYPE_MBA>(iv_symbol)
: symbol2PortSlct<TYPE_MCA>(iv_symbol);
}
//------------------------------------------------------------------------------
uint8_t MemSymbol::getDram() const
{
bool isMba = TYPE_MBA == getTargetType(iv_trgt);
bool isX4 = isDramWidthX4( iv_trgt );
return isMba ? isX4 ? symbol2Nibble<TYPE_MBA>( iv_symbol )
: symbol2Byte <TYPE_MBA>( iv_symbol )
: isX4 ? symbol2Nibble<TYPE_MCA>( iv_symbol )
: symbol2Byte <TYPE_MCA>( iv_symbol );
}
//------------------------------------------------------------------------------
uint8_t MemSymbol::getDramPins() const
{
bool isMba = TYPE_MBA == getTargetType(iv_trgt);
bool isX4 = isDramWidthX4( iv_trgt );
uint32_t dps = isMba ? MBA_DQS_PER_SYMBOL : MCA_DQS_PER_SYMBOL;
uint32_t spd = isMba ? isX4 ? MBA_SYMBOLS_PER_NIBBLE : MBA_SYMBOLS_PER_BYTE
: isX4 ? MCA_SYMBOLS_PER_NIBBLE : MCA_SYMBOLS_PER_BYTE;
return iv_pins << (((spd - 1) - (iv_symbol % spd)) * dps);
}
//------------------------------------------------------------------------------
uint8_t MemSymbol::getGalois() const
{
return symbol2Galois[iv_symbol];
}
//------------------------------------------------------------------------------
void MemSymbol::updateSpared(const MemSymbol & i_sp0,
const MemSymbol & i_sp1,
const MemSymbol & i_ecc)
{
if (!iv_isDramSpared)
{
if ( ( i_sp0.isValid() && (i_sp0.getDram() == getDram()) ) ||
( i_sp1.isValid() && (i_sp1.getDram() == getDram()) ) )
{
setDramSpared();
}
}
if ( (!iv_isEccSpared) &&
( i_ecc.isValid() && (i_ecc.getDram() == getDram())) )
{
setEccSpared();
}
}
//------------------------------------------------------------------------------
// Symbol Accessor Functions
//------------------------------------------------------------------------------
template<>
uint32_t getMemReadSymbol<TYPE_MCA>( ExtensibleChip * i_chip,
const MemRank & i_rank,
MemSymbol & o_sym1, MemSymbol & o_sym2 )
{
#define PRDF_FUNC "[getMemReadSymbol<TYPE_MBA>] "
// Check parameters
PRDF_ASSERT( nullptr != i_chip );
PRDF_ASSERT( TYPE_MCA == i_chip->getType() );
uint32_t o_rc = SUCCESS;
o_sym1 = o_sym2 = MemSymbol(); // both initially invalid
do
{
// Get the NCE/TCE galois and mask from hardware.
ExtensibleChip * mcbChip = getConnectedParent( i_chip, TYPE_MCBIST );
uint8_t port = i_chip->getPos() % MAX_MCA_PER_MCBIST; // 0,1,2,3
uint8_t mcsRelMcb = port / MAX_MCA_PER_MCS; // 0,1
uint8_t mcaRelMcs = port % MAX_MCA_PER_MCS; // 0,1
const char * reg_str = (0 == mcsRelMcb) ? "MBSEVR0" : "MBSEVR1";
SCAN_COMM_REGISTER_CLASS * reg = mcbChip->getRegister(reg_str);
o_rc = reg->Read();
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "Read() failed on %s: mcbChip=0x%08x", reg_str,
mcbChip->getHuid() );
break;
}
uint32_t bitPos = mcaRelMcs * 32;
uint8_t g1 = reg->GetBitFieldJustified( bitPos, 8 );
uint8_t m1 = reg->GetBitFieldJustified( bitPos + 8, 8 );
uint8_t g2 = reg->GetBitFieldJustified( bitPos + 16, 8 );
uint8_t m2 = reg->GetBitFieldJustified( bitPos + 24, 8 );
// Get the NCE/TCE symbol.
o_sym1 = MemSymbol::fromGalois( i_chip->getTrgt(), i_rank, g1, m1 );
o_sym2 = MemSymbol::fromGalois( i_chip->getTrgt(), i_rank, g2, m2 );
} while (0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template<>
uint32_t getMemReadSymbol<TYPE_MBA>( ExtensibleChip * i_chip,
const MemRank & i_rank,
MemSymbol & o_sym1, MemSymbol & o_sym2 )
{
#define PRDF_FUNC "[getMemReadSymbol<TYPE_MBA>] "
// Check parameters
PRDF_ASSERT( nullptr != i_chip );
PRDF_ASSERT( TYPE_MBA == i_chip->getType() );
uint32_t o_rc = SUCCESS;
// o_sym2 is just a placeholder for TYPE_MBA
o_sym1 = o_sym2 = MemSymbol(); // both initially invalid
do
{
// Get the NCE galois and mask from hardware.
ExtensibleChip * membChip = getConnectedParent( i_chip, TYPE_MEMBUF );
const char * reg_str = (0 == i_chip->getPos()) ? "MBA0_MBSEVR"
: "MBA1_MBSEVR";
SCAN_COMM_REGISTER_CLASS * reg = membChip->getRegister(reg_str);
o_rc = reg->Read();
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "Read() failed on %s: membChip=0x%08x", reg_str,
membChip->getHuid() );
break;
}
uint8_t g1 = reg->GetBitFieldJustified( 40, 8 );
uint8_t m1 = reg->GetBitFieldJustified( 32, 8 );
// Get the NCE symbol.
o_sym1 = MemSymbol::fromGalois( i_chip->getTrgt(), i_rank, g1, m1 );
MemSymbol sp0, sp1, ecc;
o_rc = mssGetSteerMux<TYPE_MBA>( i_chip->getTrgt(), i_rank,
sp0, sp1, ecc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "mssGetSteerMux() failed. HUID: 0x%08x "
"rank: 0x%02x", i_chip->getHuid(), i_rank.getKey() );
break;
}
o_sym1.updateSpared(sp0, sp1, ecc);
} while (0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
} // end namespace PRDF
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