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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/plat/pegasus/prdfCenPll.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* 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 prdfCenPLL.C
* @brief Contains all common plugin code for the Centaur PLL logic.
*/
#include <iipServiceDataCollector.h>
#include <prdfExtensibleChip.H>
#include <prdfPluginMap.H>
namespace PRDF
{
using namespace PlatServices;
namespace Membuf
{
enum
{
PLL_DETECT_CENT_NEST = 19, // nest PLL error bit
PLL_DETECT_CENT_MEM = 20 // mem PLL error bit
};
/**
* @brief Query the PLL chip for a PLL error on Centaur Plugin
* @param i_chip Centaur chip
* @param o_result set to true in the presence of PLL error
* @returns Failure or Success of query.
* @note
*/
int32_t QueryPll( ExtensibleChip * i_chip,
bool & o_result)
{
int32_t rc = SUCCESS;
o_result = false;
SCAN_COMM_REGISTER_CLASS * TP_LFIR = i_chip->getRegister("TP_LFIR");
SCAN_COMM_REGISTER_CLASS * TP_LFIRmask = i_chip->getRegister("TP_LFIR_MASK");
do
{
rc = TP_LFIR->Read();
if (rc != SUCCESS) break;
rc = TP_LFIRmask->Read();
if (rc != SUCCESS) break;
if((TP_LFIR->IsBitSet(PLL_DETECT_CENT_MEM) &&
!(TP_LFIRmask->IsBitSet(PLL_DETECT_CENT_MEM))) ||
(TP_LFIR->IsBitSet(PLL_DETECT_CENT_NEST) &&
!(TP_LFIRmask->IsBitSet(PLL_DETECT_CENT_NEST))))
{
o_result = true;
}
} while(0);
return rc;
}
PRDF_PLUGIN_DEFINE( Membuf, QueryPll );
/**
* @brief Clear the PLL error for Centaur Plugin
* @param i_chip Centaur chip
* @param i_sc The step code data struct.
* @returns Failure or Success of query.
* @note
*/
int32_t ClearPll( ExtensibleChip * i_chip,
STEP_CODE_DATA_STRUCT & i_sc)
{
int32_t rc = SUCCESS;
if (CHECK_STOP != i_sc.service_data->GetAttentionType())
{
SCAN_COMM_REGISTER_CLASS * TP_LFIR = i_chip->getRegister("TP_LFIR_AND");
TP_LFIR->setAllBits();
TP_LFIR->ClearBit(PLL_DETECT_CENT_MEM);
TP_LFIR->ClearBit(PLL_DETECT_CENT_NEST);
rc = TP_LFIR->Write();
}
return rc;
}
PRDF_PLUGIN_DEFINE( Membuf, ClearPll );
/**
* @brief Mask the PLL error for Centaur Plugin
* @param i_chip Centaur chip
* @param Output Unused.
* @returns Failure or Success of query.
* @note
*/
int32_t MaskPll( ExtensibleChip * i_chip,void * unused)
{
int32_t rc = SUCCESS;
SCAN_COMM_REGISTER_CLASS * TP_LFIR = i_chip->getRegister("TP_LFIR");
SCAN_COMM_REGISTER_CLASS * TP_LFIR_or = i_chip->getRegister("TP_LFIR_MASK_OR");
rc = TP_LFIR->Read();
TP_LFIR_or->clearAllBits();
if(TP_LFIR->IsBitSet(PLL_DETECT_CENT_MEM)) TP_LFIR_or->SetBit(PLL_DETECT_CENT_MEM);
if(TP_LFIR->IsBitSet(PLL_DETECT_CENT_NEST)) TP_LFIR_or->SetBit(PLL_DETECT_CENT_NEST);
rc |= TP_LFIR_or->Write();
return rc;
}
PRDF_PLUGIN_DEFINE( Membuf, MaskPll );
/**
* @brief capture additional PLL FFDC
* @param i_chip Membuf chip
* @param i_sc service data collector
* @returns Success
*/
int32_t capturePllFfdc( ExtensibleChip * i_chip,
STEP_CODE_DATA_STRUCT & io_sc )
{
#define PRDF_FUNC "[Membuf::capturePllFfdc] "
// Add FSI status reg
captureFsiStatusReg( i_chip, io_sc );
return SUCCESS;
#undef PRDF_FUNC
}
PRDF_PLUGIN_DEFINE( Membuf, capturePllFfdc );
} // end namespace Membuf
} // end namespace PRDF
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