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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9a/procedures/hwp/memory/p9a_omi_train.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_train.C
/// @brief Check the omi status
///
// *HWP HWP Owner: Andre Marin <aamarin@us.ibm.com>
// *HWP HWP Backup: Stephen Glancy <sglancy@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 3
// *HWP Consumed by: Memory
#include <lib/shared/axone_defaults.H>
#include <p9a_omi_train.H>
#include <fapi2.H>
#include <p9a_mc_scom_addresses.H>
#include <p9a_mc_scom_addresses_fld.H>
#include <p9a_mc_scom_addresses_fixes.H>
#include <p9a_mc_scom_addresses_fld_fixes.H>
#include <generic/memory/lib/utils/c_str.H>
#include <generic/memory/lib/utils/scom.H>
#include <generic/memory/lib/utils/buffer_ops.H>
#include <generic/memory/lib/utils/find.H>
#include <generic/memory/lib/utils/shared/mss_generic_consts.H>
#include <lib/mc/omi.H>
#include <generic/memory/mss_git_data_helper.H>
///
/// @brief Turn on Axone config regs to enable training
/// @param[in] i_target the OMI target to operate on
/// @return FAPI2_RC_SUCCESS iff ok
///
fapi2::ReturnCode p9a_omi_train( const fapi2::Target<fapi2::TARGET_TYPE_OMI>& i_target)
{
mss::display_git_commit_info("p9a_omi_train");
FAPI_INF("%s Start p9a_omi_train", mss::c_str(i_target));
const auto l_mc = mss::find_target<fapi2::TARGET_TYPE_MC>(i_target);
uint32_t l_prbs_time;
uint64_t PRBS_TIME;
uint8_t l_sim = 0;
FAPI_TRY( mss::attr::get_is_simulation( l_sim) );
FAPI_TRY(mss::attr::get_omi_dl_preipl_prbs_time(i_target, l_prbs_time),
"Error from FAPI_ATTR_GET (ATTR_OMI_DL_PREIPL_PRBS_TIME)");
PRBS_TIME = l_prbs_time * mss::common_timings::DELAY_1MS;
FAPI_TRY(mss::mc::setup_mc_mcn_config_helper(l_mc));
FAPI_TRY(mss::mc::setup_mc_config1_helper(i_target));
FAPI_TRY(mss::mc::setup_mc_cya_bits_helper(i_target));
FAPI_TRY(mss::mc::setup_mc_error_action_helper(i_target));
FAPI_TRY(mss::mc::setup_mc_rmt_config_helper(i_target));
// *_CONFIG0 should be the last one written, since it starts the training.
// We are not using the pre-ipl PRBS auto training mode because it doesn't function properly in Axone
// Enable training state 6 to send TS3
FAPI_TRY(mss::mc::setup_mc_config0_helper(i_target, mss::mc::train_mode::TX_TRAINING_STATE3));
// Set configurable delay based on the PRBS ATTR and SIM mode
FAPI_TRY(fapi2::delay(PRBS_TIME, mss::common_timings::DELAY_1US));
FAPI_DBG("OMI Training Pre-ipl PRBS Time = %dns",
(l_sim ? mss::common_timings::DELAY_1US : PRBS_TIME));
// Enable training state 1 to send Pattern A
FAPI_TRY(mss::mc::setup_mc_config0_helper(i_target, mss::mc::train_mode::TX_PATTERN_A));
// Enable training state 8 for auto training
FAPI_TRY(mss::mc::setup_mc_config0_helper(i_target, mss::mc::train_mode::ENABLE_AUTO_TRAINING));
fapi_try_exit:
return fapi2::current_err;
}// p9a_omi_train
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