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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/memory/p9_mss_scominit.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2019 */
/* [+] 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 p9_mss_scominit.C
/// @brief SCOM inits for PHY, MC
///
// *HWP HWP Owner: Louis Stermole <stermole@us.ibm.com>
// *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 3
// *HWP Consumed by: FSP:HB
#include <lib/shared/nimbus_defaults.H>
#include <fapi2.H>
#include <p9_mss_scominit.H>
#include <p9n_mca_scom.H>
#include <p9n_mcbist_scom.H>
#include <p9n_ddrphy_scom.H>
#include <generic/memory/lib/utils/count_dimm.H>
#include <lib/utils/nimbus_find.H>
#include <lib/phy/ddr_phy.H>
#include <lib/mc/mc.H>
#include <lib/fir/unmask.H>
#include <lib/utils/find_magic.H>
using fapi2::TARGET_TYPE_MCA;
using fapi2::TARGET_TYPE_MCBIST;
using fapi2::FAPI2_RC_SUCCESS;
///
/// @brief SCOM inits for PHY, MC
/// @param[in] i_target, the MCBIST
/// @return FAPI2_RC_SUCCESS iff ok
///
fapi2::ReturnCode p9_mss_scominit( const fapi2::Target<TARGET_TYPE_MCBIST>& i_target )
{
FAPI_INF("Start MSS SCOM init");
// We need to make sure we scominit the magic port.
const auto l_mca_targets = mss::find_targets_with_magic<TARGET_TYPE_MCA>(i_target);
fapi2::ReturnCode l_rc;
fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM;
if (mss::count_dimm(i_target) == 0)
{
FAPI_INF("... skipping mss_scominit %s - no DIMM ...", mss::c_str(i_target));
return fapi2::FAPI2_RC_SUCCESS;
}
for (const auto& l_mca_target : l_mca_targets )
{
FAPI_INF("scominit for %s", mss::c_str(l_mca_target));
// Can't MCA init ports with no DIMM, they don't have attributes like timing.
if (mss::count_dimm(l_mca_target) != 0)
{
FAPI_INF("mca scominit for %s", mss::c_str(l_mca_target));
FAPI_EXEC_HWP(l_rc, p9n_mca_scom, l_mca_target, i_target, l_mca_target.getParent<fapi2::TARGET_TYPE_MCS>(),
FAPI_SYSTEM, i_target.getParent<fapi2::TARGET_TYPE_PROC_CHIP>());
if (l_rc)
{
FAPI_ERR("%s Error from p9.mca.scom.initfile", mss::c_str(l_mca_target));
fapi2::current_err = l_rc;
goto fapi_try_exit;
}
FAPI_INF("mca thermal throttle scominit for %s", mss::c_str(l_mca_target));
FAPI_TRY(mss::mc::thermal_throttle_scominit(l_mca_target));
}
// ... but we do scominit PHY's with no DIMM. There are no attributes needed and we need
// to make sure we init the magic port.
FAPI_INF("phy scominit for %s", mss::c_str(l_mca_target));
FAPI_EXEC_HWP(l_rc, p9n_ddrphy_scom, l_mca_target, i_target.getParent<fapi2::TARGET_TYPE_PROC_CHIP>());
if (l_rc)
{
FAPI_ERR("%s Error from p9.ddrphy.scom.initfile", mss::c_str(l_mca_target));
fapi2::current_err = l_rc;
goto fapi_try_exit;
}
}
FAPI_EXEC_HWP(l_rc, p9n_mcbist_scom, i_target );
if (l_rc)
{
FAPI_ERR("%s Error from p9.mcbist.scom.initfile", mss::c_str(i_target));
fapi2::current_err = l_rc;
goto fapi_try_exit;
}
// Initialize via scoms for non-static PHY items.
FAPI_TRY( mss::phy_scominit(i_target), "%s failed phy_scominit", mss::c_str(i_target) );
// Do FIRry things
FAPI_TRY( mss::unmask::after_scominit(i_target), "%s failed after_scominit",
mss::c_str(i_target) );
fapi_try_exit:
FAPI_INF("%s End MSS SCOM init ReturnCode:0x%016lx", mss::c_str(i_target), uint64_t(fapi2::current_err));
return fapi2::current_err;
}
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