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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/pm/p9_setup_runtime_wakeup_mode.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 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 */
///
/// @file p9_setup_runtime_wakeup_mode.H
/// @brief describes HWP interface that configures runtime wakeup mode of core.
///
/// *HWP HWP Owner: Greg Still <stillgs@us.ibm.com>
/// *HWP FW Owner: Prem S Jha <premjha2@in.ibm.com>
/// *HWP Team: PM
/// *HWP Level: 2
/// *HWP Consumed by: Hostboot
//
#include <p9_setup_runtime_wakeup_mode.H>
#include <p9_quad_scom_addresses.H>
enum
{
RUN_TIME_WAKEUP_MODE_BIT_POS = 3,
HV_COMPATIBILITY_MODE_BIT_POS = 4,
};
fapi2::ReturnCode p9_setup_runtime_wakeup_mode(
const fapi2::Target < fapi2::TARGET_TYPE_PROC_CHIP>& i_procTarget )
{
FAPI_INF("> p9_setup_runtime_wakeup_mode" );
fapi2::buffer<uint64_t> l_wakeupMode;
uint8_t l_smfEnabled;
const fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM;
auto l_coreList =
i_procTarget.getChildren<fapi2::TARGET_TYPE_CORE>(fapi2::TARGET_STATE_FUNCTIONAL);
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_SMF_ENABLED,
FAPI_SYSTEM,
l_smfEnabled),
"Error from FAPI_ATTR_GET for attribute ATTR_SMF_ENABLED ");
FAPI_DBG("SMF Status : %s", l_smfEnabled ? "Enabled" : "Disabled" );
for( auto core : l_coreList )
{
FAPI_TRY(fapi2::getScom( core, C_CPPM_CPMMR, l_wakeupMode),
"Failed To Read CPMMR");
FAPI_DBG( "Initial CPMMR Value 0x%016llx", l_wakeupMode );
if( l_smfEnabled )
{
//Wakeup in Ultravisor mode
l_wakeupMode.clearBit( RUN_TIME_WAKEUP_MODE_BIT_POS );
l_wakeupMode.clearBit( HV_COMPATIBILITY_MODE_BIT_POS );
}
else
{
//Wakeup in Hypervisor mode
l_wakeupMode.setBit( RUN_TIME_WAKEUP_MODE_BIT_POS );
l_wakeupMode.setBit( HV_COMPATIBILITY_MODE_BIT_POS );
}
FAPI_TRY(fapi2::putScom(core, C_CPPM_CPMMR, l_wakeupMode),
"Failed To Write CPMMR");
FAPI_DBG( "Final CPMMR Value 0x%016llx", l_wakeupMode );
}
fapi_try_exit:
FAPI_INF("< p9_setup_runtime_wakeup_mode" );
return fapi2::current_err;
}
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