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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/memory/p9a_omi_init.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2018,2019 */
/* [+] 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 p9a_omi_init.C
/// @brief Finalize the OMI
///
// *HWP HWP Owner: Benjamin Gass <bgass@us.ibm.com>
// *HWP HWP Backup: Daniel Crowell <dcrowell@us.ibm.com>
// *HWP Team:
// *HWP Level: 2
// *HWP Consumed by: HB
#include <p9a_omi_init.H>
#include <p9a_omi_init_scom.H>
#include <p9a_mc_scom_addresses.H>
#include <p9a_mc_scom_addresses_fld.H>
///
/// @brief Run initfile to enable templates and set pacing.
///
/// @param[in] i_target p9a channel to work on
///
/// @return fapi2:ReturnCode. FAPI2_RC_SUCCESS if success, else error code.
///
fapi2::ReturnCode p9a_omi_init_scominit(const fapi2::Target<fapi2::TARGET_TYPE_MCC>& i_target)
{
fapi2::ReturnCode l_rc;
const fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM;
FAPI_EXEC_HWP(l_rc, p9a_omi_init_scom, i_target, FAPI_SYSTEM);
if (l_rc)
{
FAPI_ERR("Error from p9a.omi_init.scom.initfile");
fapi2::current_err = l_rc;
}
FAPI_DBG("Exiting with return code : %08X...", (uint64_t) fapi2::current_err);
return fapi2::current_err;
}
///
/// @brief Check and enable supported templates
///
/// @param[in] i_target p9a channel to work on
///
/// @return fapi2:ReturnCode. FAPI2_RC_SUCCESS if success, else error code.
///
fapi2::ReturnCode p9a_omi_init_enable_templates(const fapi2::Target<fapi2::TARGET_TYPE_MCC>& i_target)
{
fapi2::ATTR_PROC_ENABLE_DL_TMPL_1_Type l_enable_tmpl_1;
fapi2::ATTR_PROC_ENABLE_DL_TMPL_4_Type l_enable_tmpl_4;
fapi2::ATTR_PROC_ENABLE_DL_TMPL_7_Type l_enable_tmpl_7;
fapi2::buffer<uint64_t> l_data;
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_PROC_ENABLE_DL_TMPL_1,
i_target,
l_enable_tmpl_1),
"Error from FAPI_ATTR_GET (ATTR_PROC_ENABLE_DL_TMPL_1)");
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_PROC_ENABLE_DL_TMPL_4,
i_target,
l_enable_tmpl_4),
"Error from FAPI_ATTR_GET (ATTR_PROC_ENABLE_DL_TMPL_4)");
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_PROC_ENABLE_DL_TMPL_7,
i_target,
l_enable_tmpl_7),
"Error from FAPI_ATTR_GET (ATTR_PROC_ENABLE_DL_TMPL_7)");
if (l_enable_tmpl_1 || l_enable_tmpl_4 || l_enable_tmpl_7)
{
//Turn off temp0_only
FAPI_TRY(getScom(i_target, P9A_MCC_DSTLCFG, l_data));
l_data.clearBit<P9A_MCC_DSTLCFG_TMPL0_ONLY>();
FAPI_TRY(putScom(i_target, P9A_MCC_DSTLCFG, l_data));
}
fapi_try_exit:
FAPI_DBG("Exiting with return code : %08X...", (uint64_t) fapi2::current_err);
return fapi2::current_err;
}
///
/// @brief Enable ibm buffer chip low latency mode
///
/// @param[in] i_target p9a channel to work on
///
/// @return fapi2:ReturnCode. FAPI2_RC_SUCCESS if success, else error code.
///
fapi2::ReturnCode p9a_omi_init_enable_lol(const fapi2::Target<fapi2::TARGET_TYPE_MCC>& i_target)
{
fapi2::buffer<uint64_t> l_data;
std::vector<fapi2::Target<fapi2::TARGET_TYPE_OMI>> l_omi_targets;
fapi2::ATTR_CHIP_UNIT_POS_Type l_omi_pos;
l_omi_targets = i_target.getChildren<fapi2::TARGET_TYPE_OMI>();
FAPI_TRY(getScom(i_target, P9A_MCC_USTLCFG, l_data));
for (const auto l_omi_target : l_omi_targets)
{
FAPI_TRY(FAPI_ATTR_GET( fapi2::ATTR_CHIP_UNIT_POS,
l_omi_target,
l_omi_pos));
if ((l_omi_pos % 2) == 0)
{
l_data.setBit<P9A_MCC_USTLCFG_IBM_BUFFER_CHIP_CHANA_ENABLE>();
}
else
{
l_data.setBit<P9A_MCC_USTLCFG_IBM_BUFFER_CHIP_CHANB_ENABLE>();
}
}
FAPI_TRY(putScom(i_target, P9A_MCC_USTLCFG, l_data));
fapi_try_exit:
FAPI_DBG("Exiting with return code : %08X...", (uint64_t) fapi2::current_err);
return fapi2::current_err;
}
///
/// @brief Finalize the OMI
///
/// @param[in] i_target p9a channel to work on
///
/// @return fapi2:ReturnCode. FAPI2_RC_SUCCESS if success, else error code.
///
fapi2::ReturnCode p9a_omi_init(const fapi2::Target<fapi2::TARGET_TYPE_MCC>& i_target)
{
FAPI_TRY(p9a_omi_init_scominit(i_target));
FAPI_TRY(p9a_omi_init_enable_templates(i_target));
FAPI_TRY(p9a_omi_init_enable_lol(i_target));
fapi_try_exit:
FAPI_DBG("Exiting with return code : %08X...", (uint64_t) fapi2::current_err);
return fapi2::current_err;
}
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