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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: chips/p9/procedures/hwp/memory/lib/dimm/rcd_load.C $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* EKB Project */
/* */
/* COPYRIGHT 2015,2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* The source code for this program is not published or otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* IBM_PROLOG_END_TAG */
///
/// @file rcd_load.C
/// @brief Run and manage the RCD_LOAD engine
///
// *HWP HWP Owner: Brian Silver <bsilver@us.ibm.com>
// *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 2
// *HWP Consumed by: FSP:HB
#include <fapi2.H>
#include <mss.H>
#include <lib/dimm/rcd_load.H>
#include <lib/dimm/rcd_load_ddr4.H>
using fapi2::TARGET_TYPE_MCBIST;
using fapi2::TARGET_TYPE_MCA;
using fapi2::TARGET_TYPE_MCS;
using fapi2::TARGET_TYPE_DIMM;
using fapi2::FAPI2_RC_SUCCESS;
namespace mss
{
///
/// @brief Perform the rcd_load operations - TARGET_TYPE_MCBIST specialization
/// @param[in] i_target, a fapi2::Target<TARGET_TYPE_MCBIST>
/// @return FAPI2_RC_SUCCESS if and only if ok
///
template<>
fapi2::ReturnCode rcd_load<TARGET_TYPE_MCBIST>( const fapi2::Target<TARGET_TYPE_MCBIST>& i_target )
{
// A vector of CCS instructions. We'll ask the targets to fill it, and then we'll execute it
ccs::program<TARGET_TYPE_MCBIST> l_program;
for (auto c : i_target.getChildren<TARGET_TYPE_MCS>())
{
for (auto p : c.getChildren<TARGET_TYPE_MCA>())
{
for (auto d : p.getChildren<TARGET_TYPE_DIMM>())
{
FAPI_DBG("rcd load for %s", mss::c_str(d));
FAPI_TRY( perform_rcd_load(d, l_program.iv_instructions) );
}
// We have to configure the CCS engine to let it know which port these instructions are
// going out (or whether it's broadcast ...) so lets execute the instructions we presently
// have so that we kind of do this by port
FAPI_TRY( ccs::execute(i_target, l_program, p) );
}
}
fapi_try_exit:
return fapi2::current_err;
}
///
/// @brief Perform the rcd_load operations - unknown DIMM case
/// @param[in] i_target, a fapi2::Target<TARGET_TYPE_DIMM>
/// @param[in] a vector of CCS instructions we should add to (unused)
/// @return FAPI2_RC_SUCCESS if and only if ok
///
template<>
fapi2::ReturnCode perform_rcd_load<DEFAULT_KIND>( const fapi2::Target<TARGET_TYPE_DIMM>& i_target,
std::vector< ccs::instruction_t<TARGET_TYPE_MCBIST> >& i_inst)
{
uint8_t l_type = 0;
uint8_t l_gen = 0;
FAPI_TRY( mss::eff_dimm_type(i_target, l_type) );
FAPI_TRY( mss::eff_dram_gen(i_target, l_gen) );
// If we're here, we have a problem. The DIMM kind (type and/or generation) wasn't know
// to our dispatcher. We have a DIMM plugged in we don't know how to deal with.
FAPI_ASSERT(false,
fapi2::MSS_UNKNOWN_DIMM()
.set_DIMM_TYPE(l_type)
.set_DRAM_GEN(l_gen)
.set_DIMM_IN_ERROR(i_target),
"Unable to perform rcd load on %s: unknown type (%d) or generation (%d)",
mss::c_str(i_target), l_type, l_gen);
fapi_try_exit:
return fapi2::current_err;
}
///
/// @brief Perform the rcd_load operations - RDIMM DDR4
/// @param[in] i_target, a fapi2::Target<TARGET_TYPE_DIMM>
/// @param[in] a vector of CCS instructions we should add to
/// @return FAPI2_RC_SUCCESS if and only if ok
///
template<>
fapi2::ReturnCode perform_rcd_load<KIND_RDIMM_DDR4>( const fapi2::Target<TARGET_TYPE_DIMM>& i_target,
std::vector< ccs::instruction_t<TARGET_TYPE_MCBIST> >& i_inst)
{
FAPI_DBG("perform rcd_load for %s [expecting rdimm (ddr4)]", mss::c_str(i_target));
FAPI_TRY( rcd_load_ddr4(i_target, i_inst) );
fapi_try_exit:
return fapi2::current_err;
}
///
/// @brief Perform the rcd_load operations - LRDIMM DDR4
/// @param[in] i_target, a fapi2::Target<TARGET_TYPE_DIMM>
/// @param[in] a vector of CCS instructions we should add to
/// @return FAPI2_RC_SUCCESS if and only if ok
///
template<>
fapi2::ReturnCode perform_rcd_load<KIND_LRDIMM_DDR4>( const fapi2::Target<TARGET_TYPE_DIMM>& i_target,
std::vector< ccs::instruction_t<TARGET_TYPE_MCBIST> >& i_inst)
{
FAPI_DBG("perform rcd_load for %s [expecting lrdimm (ddr4)]", mss::c_str(i_target));
FAPI_TRY( rcd_load_ddr4(i_target, i_inst) );
fapi_try_exit:
return fapi2::current_err;
}
///
/// @brief Perform the rcd_load operations - start the dispatcher
/// @param[in] i_target, a fapi2::Target<TARGET_TYPE_DIMM>
/// @param[in] a vector of CCS instructions we should add to
/// @return FAPI2_RC_SUCCESS if and only if ok
///
template<>
fapi2::ReturnCode perform_rcd_load<FORCE_DISPATCH>( const fapi2::Target<TARGET_TYPE_DIMM>& i_target,
std::vector< ccs::instruction_t<TARGET_TYPE_MCBIST> >& i_inst)
{
uint8_t l_type = 0;
uint8_t l_gen = 0;
FAPI_TRY( mss::eff_dimm_type(i_target, l_type) );
FAPI_TRY( mss::eff_dram_gen(i_target, l_gen) );
return perform_rcd_load_dispatch<FORCE_DISPATCH>(dimm_kind( l_type, l_gen ), i_target, i_inst);
fapi_try_exit:
FAPI_ERR("couldn't get dimm type, dram gen: %s", mss::c_str(i_target));
return fapi2::current_err;
}
} // namespace
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