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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/framework/resolution/prdfClockResolution.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2012,2018 */
/* [+] 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 */
//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#define prdfClockResolution_C
#include <iipSystem.h>
#include <prdfExtensibleChip.H>
#include <prdfGlobal.H>
#include <iipServiceDataCollector.h>
#include <prdfClockResolution.H>
#include <prdfPlatServices.H>
#undef prdfClockResolution_C
namespace PRDF
{
using namespace PlatServices;
//------------------------------------------------------------------------------
// Member Function Specifications
//------------------------------------------------------------------------------
// Find the active clock source and blame it
int32_t ClockResolution::Resolve(STEP_CODE_DATA_STRUCT & serviceData)
{
using namespace TARGETING;
uint32_t l_rc = SUCCESS;
// callout clock osc
if ( (iv_targetType == TYPE_PROC) ||
(iv_targetType == TYPE_MEMBUF) )
{
TargetHandle_t l_ptargetClock =
getActiveRefClk(iv_ptargetClock, TYPE_OSCREFCLK);
// Callout this chip if nothing else.
// Or in the case of hostboot, use this chip for addClockCallout
if(NULL == l_ptargetClock)
{
l_ptargetClock = iv_ptargetClock;
}
// callout the clock source
// HB does not have the osc target modeled
// so we need to use the proc target with
// osc clock type to call out
#ifndef __HOSTBOOT_MODULE
serviceData.service_data->SetCallout(l_ptargetClock);
#else
serviceData.service_data->SetCallout(
PRDcallout(l_ptargetClock,
PRDcalloutData::TYPE_PROCCLK));
#endif
}
else if (iv_targetType == TYPE_PEC)
{
// Check if both PCI clocks have failed
bool bothClocksFailed = false;
ExtensibleChip *procChip =
(ExtensibleChip *)systemPtr->GetChip(iv_ptargetClock);
SCAN_COMM_REGISTER_CLASS *oscSw = procChip->getRegister("OSC_SW_SENSE");
l_rc = oscSw->Read();
if ( SUCCESS == l_rc )
{
const uint32_t OSC_0_OK = 28;
const uint32_t OSC_1_OK = 29;
if ( !(oscSw->IsBitSet(OSC_0_OK) || oscSw->IsBitSet(OSC_1_OK) ) )
{
bothClocksFailed = true;
// Callout both PCI Clocks
#ifndef __HOSTBOOT_MODULE
TargetHandle_t pciOsc =
getClockId( iv_ptargetClock, TYPE_OSCPCICLK, 0 );
if (pciOsc)
serviceData.service_data->SetCallout( pciOsc );
pciOsc = getClockId( iv_ptargetClock, TYPE_OSCPCICLK, 1 );
if (pciOsc)
serviceData.service_data->SetCallout( pciOsc );
#else
serviceData.service_data->SetCallout(
PRDcallout(iv_ptargetClock,
PRDcalloutData::TYPE_PCICLK0));
serviceData.service_data->SetCallout(
PRDcallout(iv_ptargetClock,
PRDcalloutData::TYPE_PCICLK1));
#endif
}
}
else
{
PRDF_ERR( "ClockResolution::Resolve "
"Read() failed on OSC_SW_SENSE huid 0x%08X",
iv_ptargetClock );
}
if ( !bothClocksFailed )
{
TargetHandle_t l_ptargetClock =
PlatServices::getActiveRefClk(iv_ptargetClock, TYPE_OSCPCICLK);
// Callout this chip if nothing else.
if(NULL == l_ptargetClock)
{
l_ptargetClock = iv_ptargetClock;
}
// callout the clock source
// HB does not have the osc target modeled
// so we need to use the proc target with
// osc clock type to call out
#ifndef __HOSTBOOT_MODULE
serviceData.service_data->SetCallout(l_ptargetClock);
#else
serviceData.service_data->SetCallout(
PRDcallout(l_ptargetClock,
PRDcalloutData::TYPE_PCICLK));
#endif
}
}
// Get all connected chips for non-CLOCK_CARD types.
else
{
//Callout every device connected to this clock source.
TargetHandleList l_targetsConnectedToClock =
PlatServices::getConnected( iv_ptargetClock, iv_targetType );
for( TargetHandleList::iterator i = l_targetsConnectedToClock.begin();
i != l_targetsConnectedToClock.end(); ++i )
{
if ( NULL != (*i) )
{
serviceData.service_data->SetCallout( *i );
}
}
}
return(l_rc);
}
} // end namespace PRDF
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