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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9a/procedures/hwp/memory/lib/workarounds/p9a_omi_workarounds.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 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_workarounds.H
/// @brief Workarounds for p9a_omi_* procedures
///
// *HWP HWP Owner: Mark Pizzutillo <Mark.Pizzutillo@ibm.com>
// *HWP HWP Backup: Stephen Glancy <sglancy@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 2
// *HWP Consumed by: Memory
#ifndef P9A_OMI_WORKAROUNDS_H_
#define P9A_OMI_WORKAROUNDS_H_
#include <fapi2.H>
namespace mss
{
namespace workarounds
{
namespace mc
{
///
/// @brief Helper function to determine whether PRBS OMI workaround will be performed, that can be unit tested
///
/// @param[in] i_ocmb_type OCMB type/name
/// @param[in] i_proc_type PROC type/name
/// @return true/false perform workaround
///
bool is_prbs_omi_required_helper(const uint8_t i_ocmb_type, const uint8_t i_proc_type);
///
/// @brief Determine whether to perform PRBS OMI workaround
///
/// @param[in] i_ocmb_chip OCMB chip
/// @param[in] i_proc_chip PROC chip
/// @param[out] o_required workaround required
/// @return FAPI2_RC_SUCCESS iff success
///
fapi2::ReturnCode is_prbs_omi_required(
const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP> i_ocmb_chip,
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP> i_proc_chip,
bool& o_required);
///
/// @brief Perform the PRBS OMI workaround
///
/// @param[in] i_omi OMI
/// @param[in] i_dl_x4_backoff_en backoff enable bit
/// @return fapi2::FAPI2_RC_SUCCESS iff ok
///
fapi2::ReturnCode prbs_omi(
const fapi2::Target<fapi2::TARGET_TYPE_OMI> i_omi,
const uint8_t i_dl_x4_backoff_en);
} // namespace mc
} // namespace workarounds
} // namespace mss
#endif
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