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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/plat/mem/prdfMemRowRepair.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2018,2019 */
/* [+] 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 */
/** @file prdfMemRowRepair.C */
#include <prdfMemRowRepair.H>
#include <UtilHash.H>
#include <iipServiceDataCollector.h>
#include <prdfParserUtils.H>
#include <prdfErrlUtil.H>
#include <prdfMemUtils.H>
#ifdef __HOSTBOOT_MODULE
#include <rowRepairsFuncs.H>
#endif // __HOSTBOOT_MODULE
namespace PRDF
{
using namespace PlatServices;
using namespace PARSERUTILS;
using namespace TARGETING;
//------------------------------------------------------------------------------
bool MemRowRepair::nonZero() const
{
bool o_nonZero = false;
for ( uint32_t i = 0; i < ROW_REPAIR::ROW_REPAIR_SIZE; i++ )
{
if ( 0 != iv_data[i] )
{
o_nonZero = true;
break;
}
}
return o_nonZero;
}
//##############################################################################
// Utility Functions
//##############################################################################
template<TARGETING::TYPE T, fapi2::TargetType F>
uint32_t __getRowRepairData( TargetHandle_t i_dimm, const MemRank & i_rank,
MemRowRepair & o_rowRepair )
{
#define PRDF_FUNC "[PlatServices::__getRowRepairData] "
uint32_t o_rc = SUCCESS;
#ifdef __HOSTBOOT_MODULE
uint8_t l_data[ROW_REPAIR::ROW_REPAIR_SIZE] = {0};
errlHndl_t l_errl = nullptr;
// get port select
uint8_t l_ps = getDimmPort( i_dimm );
// get mba
TargetHandle_t l_mba = getConnectedParent( i_dimm, T );
fapi2::Target<F> l_fapiMba( l_mba );
FAPI_INVOKE_HWP( l_errl, getRowRepair, l_fapiMba, i_rank.getDimmSlct(),
i_rank.getRankSlct(), l_data, l_ps );
if ( nullptr != l_errl )
{
PRDF_ERR( PRDF_FUNC "getRowRepair() failed: i_dimm=0x%08x "
"l_ps=%d ds=%d rs=%d", getHuid(i_dimm), l_ps,
i_rank.getDimmSlct(), i_rank.getRankSlct() );
PRDF_COMMIT_ERRL( l_errl, ERRL_ACTION_REPORT );
o_rc = FAIL;
}
else
{
o_rowRepair = MemRowRepair( i_dimm, i_rank, l_data );
}
#endif // __HOSTBOOT_MODULE
return o_rc;
#undef PRDF_FUNC
}
template<>
uint32_t getRowRepairData<TYPE_MBA>( TargetHandle_t i_dimm,
const MemRank & i_rank, MemRowRepair & o_rowRepair )
{
return __getRowRepairData<TYPE_MBA, fapi2::TARGET_TYPE_MBA>( i_dimm, i_rank,
o_rowRepair );
}
template<>
uint32_t getRowRepairData<TYPE_MCA>( TargetHandle_t i_dimm,
const MemRank & i_rank, MemRowRepair & o_rowRepair )
{
return __getRowRepairData<TYPE_MCA, fapi2::TARGET_TYPE_MCA>( i_dimm, i_rank,
o_rowRepair );
}
template<>
uint32_t getRowRepairData<TYPE_MEM_PORT>( TargetHandle_t i_dimm,
const MemRank & i_rank, MemRowRepair & o_rowRepair )
{
return __getRowRepairData<TYPE_MEM_PORT, fapi2::TARGET_TYPE_MEM_PORT>(
i_dimm, i_rank, o_rowRepair );
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T, fapi2::TargetType F>
uint32_t __setRowRepairData( TargetHandle_t i_dimm, const MemRank & i_rank,
const MemRowRepair & i_rowRepair )
{
#define PRDF_FUNC "[PlatServices::__setRowRepairData] "
uint32_t o_rc = SUCCESS;
#ifdef __HOSTBOOT_MODULE
if ( !areDramRepairsDisabled() )
{
uint8_t l_data[ROW_REPAIR::ROW_REPAIR_SIZE] = {0};
memcpy( l_data, i_rowRepair.getData(), sizeof(l_data) );
errlHndl_t l_errl = nullptr;
// get port select
uint8_t l_ps = getDimmPort( i_dimm );
// get mba
TargetHandle_t l_mba = getConnectedParent(i_dimm, T);
fapi2::Target<F> l_fapiMba( l_mba );
FAPI_INVOKE_HWP( l_errl, setRowRepair, l_fapiMba, i_rank.getDimmSlct(),
i_rank.getRankSlct(), l_data, l_ps );
if ( nullptr != l_errl )
{
PRDF_ERR( PRDF_FUNC "setRowRepair() failed: i_dimm=0x%08x "
"l_ps=%d ds=%d rs=%d", getHuid(i_dimm), l_ps,
i_rank.getDimmSlct(), i_rank.getRankSlct() );
PRDF_COMMIT_ERRL( l_errl, ERRL_ACTION_REPORT );
o_rc = FAIL;
}
}
#endif // __HOSTBOOT_MODULE
return o_rc;
#undef PRDF_FUNC
}
template<>
uint32_t setRowRepairData<TYPE_MBA>( TargetHandle_t i_dimm,
const MemRank & i_rank,
const MemRowRepair & i_rowRepair )
{
return __setRowRepairData<TYPE_MBA, fapi2::TARGET_TYPE_MBA>( i_dimm, i_rank,
i_rowRepair );
}
template<>
uint32_t setRowRepairData<TYPE_MCA>( TargetHandle_t i_dimm,
const MemRank & i_rank,
const MemRowRepair & i_rowRepair )
{
return __setRowRepairData<TYPE_MCA, fapi2::TARGET_TYPE_MCA>( i_dimm, i_rank,
i_rowRepair );
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
void __setRowRepairDataHelper( const MemAddr & i_addr, uint32_t & io_tmp );
template<>
void __setRowRepairDataHelper<TYPE_MBA>( const MemAddr & i_addr,
uint32_t & io_tmp )
{
#ifdef __HOSTBOOT_MODULE
// Bank is stored as MBA "(DDR4): bg1-bg0,b1-b0 (4-bit)" in a MemAddr.
// bank group - 2 bits (bg1-bg0)
io_tmp = ( io_tmp << 2 ) | ( (i_addr.getBank() >> 2) & 0x03 );
// bank - 3 bits (b2-b0)
io_tmp = ( io_tmp << 3 ) | ( i_addr.getBank() & 0x03 );
// Row is stored as "MBA: r17-r0 (18-bit)" in a MemAddr.
// row - 18 bits (r17-r0)
io_tmp = ( io_tmp << 18 ) | ( i_addr.getRow() & 0x0003ffff );
#endif // __HOSTBOOT_MODULE
}
template<>
void __setRowRepairDataHelper<TYPE_MCA>( const MemAddr & i_addr,
uint32_t & io_tmp )
{
#ifdef __HOSTBOOT_MODULE
// Bank is stored as "MCBIST: b0-b2,bg0-bg1 (5-bit)" in a MemAddr.
// bank group - 2 bits (bg1-bg0)
uint64_t l_bnkGrp = i_addr.getBank() & 0x03;
l_bnkGrp = MemUtils::reverseBits( l_bnkGrp, 2 );
io_tmp = ( io_tmp << 2 ) | ( l_bnkGrp & 0x03 );
// bank - 3 bits (b2-b0)
uint64_t l_bnk = (i_addr.getBank() & 0x1C) >> 2;
l_bnk = MemUtils::reverseBits( l_bnk, 3 );
io_tmp = ( io_tmp << 3 ) | ( l_bnk & 0x03 );
// Row is stored as "MCBIST: r0-r17 (18-bit)" in a MemAddr.
uint64_t l_row = MemUtils::reverseBits( i_addr.getRow(), 18 );
// row - 18 bits (r17-r0)
io_tmp = ( io_tmp << 18 ) | ( l_row & 0x0003ffff );
#endif // __HOSTBOOT_MODULE
}
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
uint32_t setRowRepairData( TargetHandle_t i_dimm,
const MemRank & i_rank,
const MemAddr & i_addr,
uint8_t i_dram )
{
#define PRDF_FUNC "[PlatServices::setRowRepairData] "
uint32_t o_rc = SUCCESS;
#ifdef __HOSTBOOT_MODULE
if ( !areDramRepairsDisabled() )
{
uint32_t l_tmp = 0;
// The format for a row repair is 32 bits total:
// 5 bits : DRAM position (x8: 0-9, x4: 0-19)
// 3 bits : slave ranks(0-7)
// 2 bits : bank group(0-3) (bg1-bg0)
// 3 bits : bank(0-7) (b2-b0)
// 18 bits: row (r17-r0)
// 1 bit : repair validity (0: invalid, 1: valid)
// dram - 5 bits
l_tmp = ( l_tmp << 5 ) | ( i_dram & 0x1f );
// slave rank - 3 bits
l_tmp = ( l_tmp << 3 ) | ( i_addr.getRank().getSlave() & 0x07 );
// bank group, bank, and row - 23 bits
__setRowRepairDataHelper<T>( i_addr, l_tmp );
// validity - 1 bit
l_tmp = ( l_tmp << 1 ) | 0x1;
// Adjust for mba port 1 address inversion if necessary
if ( (1 == getDimmPort(i_dimm) % 2) && (T == TYPE_MBA) )
{
// Bits flipped in port 1 inversion: (10:12, 16:22, 24, 26:28)
// mask:
// 0000 0000 0011 1000 1111 1110 1011 1000
uint32_t mask = 0x0038FEB8;
l_tmp ^= mask;
}
// ROW_REPAIR_SIZE = 4
uint8_t l_data[ROW_REPAIR::ROW_REPAIR_SIZE] = {0};
memcpy( l_data, &l_tmp, sizeof(l_data) );
MemRowRepair l_rowRepair( i_dimm, i_rank, l_data );
o_rc = setRowRepairData<T>( i_dimm, i_rank, l_rowRepair );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "setRowRepairData() failed" );
}
}
#endif // __HOSTBOOT_MODULE
return o_rc;
#undef PRDF_FUNC
}
template
uint32_t setRowRepairData<TYPE_MBA>( TargetHandle_t i_dimm,
const MemRank & i_rank,
const MemAddr & i_addr,
uint8_t i_dram );
template
uint32_t setRowRepairData<TYPE_MCA>( TargetHandle_t i_dimm,
const MemRank & i_rank,
const MemAddr & i_addr,
uint8_t i_dram );
//------------------------------------------------------------------------------
template<TARGETING::TYPE T>
uint32_t clearRowRepairData( TargetHandle_t i_dimm, const MemRank & i_rank )
{
#define PRDF_FUNC "[PlatServices::clearRowRepairData] "
uint32_t o_rc = SUCCESS;
#ifdef __HOSTBOOT_MODULE
if ( !areDramRepairsDisabled() )
{
uint8_t l_data[ROW_REPAIR::ROW_REPAIR_SIZE] = {0};
memset( l_data, 0, sizeof(l_data) );
MemRowRepair l_rowRepair( i_dimm, i_rank, l_data );
o_rc = setRowRepairData<T>( i_dimm, i_rank, l_rowRepair );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "setRowRepairData() failed" )
}
}
#endif // __HOSTBOOT_MODULE
return o_rc;
#undef PRDF_FUNC
}
template
uint32_t clearRowRepairData<TYPE_MBA>( TargetHandle_t i_dimm,
const MemRank & i_rank );
template
uint32_t clearRowRepairData<TYPE_MCA>( TargetHandle_t i_dimm,
const MemRank & i_rank );
//------------------------------------------------------------------------------
} // end namespace PRDF
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