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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/isteps/istep10/call_proc_chiplet_scominit.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2019 */
/* [+] 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 call_proc_chiplet_scominit.C
*
* Support file for IStep: nest_chiplets
* Nest Chiplets
*
* HWP_IGNORE_VERSION_CHECK
*
*/
/******************************************************************************/
// Includes
/******************************************************************************/
// Component ID support
#include <hbotcompid.H> // HWPF_COMP_ID
// TARGETING support
#include <attributeenums.H> // TYPE_PROC
// Error handling support
#include <isteps/hwpisteperror.H> // ISTEP_ERROR::IStepError
#include <istepHelperFuncs.H> // captureError
// Tracing support
#include <trace/interface.H> // TRACFCOMP
#include <initservice/isteps_trace.H> // g_trac_isteps_trace
#include <initservice/initserviceif.H> // isSMPWrapConfig
// HWP call support
#include <nest/nestHwpHelperFuncs.H> // fapiHWPCallWrapperForChip
// Util TCE Support
#include <util/utiltce.H> // TCE::utilUseTcesForDmas
namespace ISTEP_10
{
using namespace ISTEP;
using namespace ISTEP_ERROR;
using namespace ISTEPS_TRACE;
using namespace TARGETING;
//******************************************************************************
// Wrapper function to call proc_chiplet_scominit
//******************************************************************************
void* call_proc_chiplet_scominit( void *io_pArgs )
{
errlHndl_t l_err(nullptr);
IStepError l_stepError;
TRACFCOMP(g_trac_isteps_trace, ENTER_MRK"call_proc_chiplet_scominit entry" );
do{
if (!INITSERVICE::isSMPWrapConfig())
{
// Make the FAPI call to p9_chiplet_scominit
// Make the FAPI call to p9_io_obus_firmask_save_restore, if previous call succeeded
// Make the FAPI call to p9_psi_scominit, if previous call succeeded
fapiHWPCallWrapperHandler(P9_CHIPLET_SCOMINIT, l_stepError,
HWPF_COMP_ID, TYPE_PROC) &&
fapiHWPCallWrapperHandler(P9_OBUS_FIRMASK_SAVE_RESTORE, l_stepError,
HWPF_COMP_ID, TYPE_PROC) &&
fapiHWPCallWrapperHandler(P9_PSI_SCOMINIT, l_stepError,
HWPF_COMP_ID, TYPE_PROC);
}
// Enable TCEs with an empty TCE Table, if necessary
// This will prevent the FSP from DMAing to system memory without
// hostboot's knowledge
if ( TCE::utilUseTcesForDmas() )
{
l_err = TCE::utilEnableTcesWithoutTceTable();
if (l_err)
{
TRACFCOMP(g_trac_isteps_trace,
"call_proc_chiplet_scominit: "
"utilEnableTcesWithoutTceTable, returned ERROR 0x%.4X",
l_err->reasonCode());
// Capture error
captureError(l_err,
l_stepError,
HWPF_COMP_ID);
}
}
#ifdef CONFIG_AXONE_BRING_UP
TARGETING::TargetHandleList l_cpuTargetList;
getAllChips(l_cpuTargetList, TYPE_PROC);
// Apply workaround to remove MC hang timeouts because they
// are forcing false negatives to all proc functional chips
for (const auto & l_procChip: l_cpuTargetList)
{
TARGETING::TargetHandleList l_miTargetList;
TARGETING::getChildAffinityTargets( l_miTargetList, l_procChip, CLASS_UNIT, TYPE_MI );
const uint64_t MCS_TIMEOUT_CONTROL_REG = 0x501081B;
for(const auto & l_mi : l_miTargetList)
{
uint64_t l_mcsTimeoutControlValue;
size_t l_regSize = sizeof(l_mcsTimeoutControlValue);
l_err = deviceRead(l_mi, &l_mcsTimeoutControlValue, l_regSize,
DEVICE_SCOM_ADDRESS(MCS_TIMEOUT_CONTROL_REG));
// Clear bit 33 and re-write the scom register with new value.
// When this bit is cleared it allows extra time for gemini card
// before a channel hang is declared
l_mcsTimeoutControlValue &= ~(1UL << 30);
l_err = deviceWrite(l_mi, &l_mcsTimeoutControlValue, l_regSize,
DEVICE_SCOM_ADDRESS(MCS_TIMEOUT_CONTROL_REG));
if(l_err)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"ERROR : call_proc_chiplet_scominit: "
"deviceWrite on DEVICE_SCOM_ADDRESS MCS_TIMEOUT_CONTROL_REG returned PLID=0x%x",
l_err->plid() );
// error will be handled below
break;
}
}
if(l_err)
{
// Create IStep error log and cross reference error that occurred
l_stepError.addErrorDetails(l_err);
// Commit error
errlCommit( l_err, HWPF_COMP_ID );
break;
}
}
#endif
}while(0);
TRACFCOMP(g_trac_isteps_trace, EXIT_MRK"call_proc_chiplet_scominit exit" );
return l_stepError.getErrorHandle();
}
}; // end namespace ISTEP_10
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