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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/core/p9_hcd_core_scominit.C $ */
/* */
/* OpenPOWER sbe Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2017 */
/* [+] 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_hcd_core_scominit.C
/// @brief Core SCOM Inits
///
/// Procedure Summary:
/// Apply any coded SCOM initialization to core
///
// *HWP HWP Owner : David Du <daviddu@us.ibm.com>
// *HWP Backup HWP Owner : Greg Still <stillgs@us.ibm.com>
// *HWP FW Owner : Sangeetha T S <sangeet2@in.ibm.com>
// *HWP Team : PM
// *HWP Consumed by : SBE:CME
// *HWP Level : 2
//-----------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------
#include <p9_quad_scom_addresses.H>
#include <p9_quad_scom_addresses_fld.H>
#include <p9_hcd_common.H>
#include <p9_core_scom.H>
#include "p9_hcd_core_scominit.H"
//-----------------------------------------------------------------------------
// Constant Definitions
//-----------------------------------------------------------------------------
enum P9_HCD_CORE_SCOMINIT_CONSTANTS
{
CORE_HANG_LIMIT_3_HANG_PULSES = 0x9F,
CORE_HANG_LIMIT_5_HANG_PULSES = 0x27,
CORE_HANG_LIMIT_10_HANG_PULSES = 0xA1,
CORE_HANG_LIMIT_50_HANG_PULSES = 0x99,
CORE_HANG_LIMIT_100_HANG_PULSES = 0x2D,
CORE_HANG_LIMIT_150_HANG_PULSES = 0xF6,
CORE_HANG_LIMIT_200_HANG_PULSES = 0x64,
NEST_HANG_LIMIT_20_HANG_PULSES = 0x5F,
NEST_HANG_LIMIT_50_HANG_PULSES = 0x99,
NEST_HANG_LIMIT_100_HANG_PULSES = 0x2D,
NEST_HANG_LIMIT_150_HANG_PULSES = 0xF6,
NEST_HANG_LIMIT_200_HANG_PULSES = 0x64
};
//-----------------------------------------------------------------------------
// Procedure: Core SCOM Inits
//-----------------------------------------------------------------------------
fapi2::ReturnCode
p9_hcd_core_scominit(
const fapi2::Target<fapi2::TARGET_TYPE_CORE>& i_target)
{
FAPI_INF(">>p9_hcd_core_scominit");
fapi2::ReturnCode l_rc;
fapi2::buffer<uint64_t> l_data64;
uint8_t l_attr_dd1_core_hang_limit;
fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP> l_chip =
i_target.getParent<fapi2::TARGET_TYPE_PROC_CHIP>();
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CHIP_EC_FEATURE_HW399609, l_chip,
l_attr_dd1_core_hang_limit));
/// @todo RTC158181 how about bit 6?
FAPI_DBG("Restore SYNC_CONFIG[8] for stop1");
FAPI_TRY(getScom(i_target, C_SYNC_CONFIG, l_data64));
FAPI_TRY(putScom(i_target, C_SYNC_CONFIG, DATA_SET(8)));
FAPI_DBG("Enable DTS via THERM_MODE_REG[5,6-9,20-21]");
FAPI_TRY(getScom(i_target, C_THERM_MODE_REG, l_data64));
// DTS sampling enable | sample pulse count | DTS loop1 enable
l_data64.setBit<5>().insertFromRight<6, 4>(0xF).insertFromRight<20, 2>(0x3);
FAPI_TRY(putScom(i_target, C_THERM_MODE_REG, l_data64));
FAPI_DBG("Invoke Core SCOM Initfile");
FAPI_EXEC_HWP(l_rc, p9_core_scom, i_target);
if (l_rc)
{
FAPI_ERR("Error from p9_core_scom (p9.core.scom.initfile)");
fapi2::current_err = l_rc;
goto fapi_try_exit;
}
FAPI_DBG("Update Core Hang Pulse Dividers via C_HANG_CONTROL[0-15]");
FAPI_TRY(getScom(i_target, C_HANG_CONTROL, l_data64));
if (l_attr_dd1_core_hang_limit)
{
l_data64.insertFromRight<C_HANG_CONTROL_CORE_LIMIT,
C_HANG_CONTROL_CORE_LIMIT_LEN>(CORE_HANG_LIMIT_100_HANG_PULSES);
}
else
{
l_data64.insertFromRight<C_HANG_CONTROL_CORE_LIMIT,
C_HANG_CONTROL_CORE_LIMIT_LEN>(CORE_HANG_LIMIT_3_HANG_PULSES);
}
l_data64.insertFromRight<C_HANG_CONTROL_NEST_LIMIT,
C_HANG_CONTROL_NEST_LIMIT_LEN>(NEST_HANG_LIMIT_100_HANG_PULSES);
FAPI_TRY(putScom(i_target, C_HANG_CONTROL, l_data64));
fapi_try_exit:
FAPI_INF("<<p9_hcd_core_scominit");
return fapi2::current_err;
}
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