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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/memory/lib/workarounds/mcbist_workarounds.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016 */
/* [+] 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 mcbist_workarounds.H
/// @brief Workarounds for the MCBISt engine
/// Workarounds are very deivce specific, so there is no attempt to generalize
/// this code in any way.
///
// *HWP HWP Owner: Brian Silver <bsilver@us.ibm.com>
// *HWP HWP Backup: Steven Glancy <sglancy@usi.ibm.com>
// *HWP Team: Memory
// *HWP Level: 2
// *HWP Consumed by: FSP:HB
#ifndef _MSS_WORKAROUNDS_MCBIST_H_
#define _MSS_WORKAROUNDS_MCBIST_H_
#include <fapi2.H>
#include <lib/mcbist/mcbist.H>
namespace mss
{
namespace workarounds
{
namespace mcbist
{
///
/// @brief Replace reads with displays in the passed in MCBIST program
/// @param[in] the MCBIST program to check for read/display replacement
/// @note Useful for testing
///
void replace_read_helper(mss::mcbist::program<fapi2::TARGET_TYPE_MCBIST>& i_program);
///
/// @brief End of rank work around
/// For Nimbus DD1 the MCBIST engine doesn't detect the end of rank properly
/// for a 1R DIMM during a super-fast read. To work around this, we check the
/// MCBIST to see if any port has a 1R DIMM on it and if so we change our stop
/// conditions to immediate. However, because that doesn't work (by design) with
/// read, we also must change all reads to displays (slow read.)
/// @param[in] i_target the fapi2 target of the mcbist
/// @param[in] i_program the mcbist program to check
/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS if ok
///
fapi2::ReturnCode end_of_rank( const fapi2::Target<fapi2::TARGET_TYPE_MCBIST>& i_target,
mss::mcbist::program<fapi2::TARGET_TYPE_MCBIST>& i_program );
///
/// @brief WAT debug attention
/// For Nimbus DD1 the MCBIST engine uses the WAT debug bit as a workaround
/// @param[in] i_target the fapi2 target of the mcbist
/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS if ok
///
fapi2::ReturnCode wat_debug_attention( const fapi2::Target<fapi2::TARGET_TYPE_MCBIST>& i_target );
} // close namespace mcbist
} // close namespace workarounds
} // close namespace mss
#endif
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