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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_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 exp_omi_train.C
/// @brief Contains the explorer OMI train
///
// *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 <fapi2.H>
#include <generic/memory/lib/utils/c_str.H>
#include <lib/omi/exp_omi_utils.H>
#include <lib/i2c/exp_i2c.H>
#include <lib/exp_attribute_accessors_manual.H>
#include <lib/workarounds/exp_omi_workarounds.H>
#include <exp_omi_train.H>
#include <generic/memory/mss_git_data_helper.H>
#include <generic/memory/lib/mss_generic_attribute_getters.H>
#include <generic/memory/lib/utils/shared/mss_generic_consts.H>
extern "C"
{
///
/// @brief Trains the OCMB link
/// @param[in] i_target the OCMB target to operate on
/// @return FAPI2_RC_SUCCESS iff ok
///
fapi2::ReturnCode exp_omi_train(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target)
{
mss::display_git_commit_info("exp_omi_train");
// Perform p9a workaround
// Train mode 1 (PATTERN_A)
FAPI_TRY(mss::exp::workarounds::omi::training_prbs(i_target));
// BOOT CONFIG 1
{
bool l_ocmb_is_explorer = false;
std::vector<uint8_t> l_data;
uint8_t l_dl_layer_boot_mode = fapi2::ENUM_ATTR_MSS_OCMB_EXP_BOOT_CONFIG_DL_LAYER_BOOT_MODE_ONLY_DL_TRAINING;
// Gets the data setup
FAPI_TRY(mss::exp::omi::train::setup_fw_boot_config(i_target, l_data));
// Sets DL_TRAIN field
FAPI_TRY(mss::exp::i2c::boot_cfg::set_dl_layer_boot_mode( i_target, l_data, l_dl_layer_boot_mode ));
// Issues the command and checks for completion
FAPI_TRY(mss::exp::i2c::boot_config(i_target, l_data));
// Check for expected busy status (this won't work for gemini)
FAPI_TRY(mss::exp::workarounds::omi::ocmb_is_explorer(i_target, l_ocmb_is_explorer));
if (l_ocmb_is_explorer)
{
// Explorer & P9A environment should see a busy status until auto train is kicked off from both sides
FAPI_TRY(mss::exp::i2c::check_fw_status_busy(i_target));
}
else
{
// Gemini should return success code
FAPI_TRY(mss::exp::i2c::fw_status(i_target, mss::DELAY_1MS, 100));
}
}
fapi_try_exit:
return fapi2::current_err;
}
}
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