diff options
Diffstat (limited to 'src/import/chips/p9a/procedures/hwp/memory/p9a_omi_setup.C')
-rw-r--r-- | src/import/chips/p9a/procedures/hwp/memory/p9a_omi_setup.C | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/import/chips/p9a/procedures/hwp/memory/p9a_omi_setup.C b/src/import/chips/p9a/procedures/hwp/memory/p9a_omi_setup.C index 06edf3375..eaccc18c9 100644 --- a/src/import/chips/p9a/procedures/hwp/memory/p9a_omi_setup.C +++ b/src/import/chips/p9a/procedures/hwp/memory/p9a_omi_setup.C @@ -22,3 +22,77 @@ /* permissions and limitations under the License. */ /* */ /* IBM_PROLOG_END_TAG */ + +/// +/// @file p9a_omi_setup.C +/// @brief Setup the OMI +/// +// *HWP HWP Owner: Mark Pizzutillo <Mark.Pizzutillo@ibm.com> +// *HWP HWP Backup: Louis Stermole <stermole@us.ibm.com> +// *HWP Team: Memory +// *HWP Level: 2 +// *HWP Consumed by: FSP:HB + +#include <fapi2.H> +#include <lib/shared/axone_defaults.H> +#include <p9a_omi_setup.H> +#include <lib/mc/omi.H> +#include <generic/memory/mss_git_data_helper.H> +#include <lib/workarounds/p9a_omi_workarounds.H> + +/// +/// @brief Setup OMI for axone +/// @param[in] i_target the axone OMI target to operate on +/// @return FAPI2_RC_SUCCESS iff ok +/// +fapi2::ReturnCode p9a_omi_setup( const fapi2::Target<fapi2::TARGET_TYPE_OMI>& i_target ) +{ + mss::display_git_commit_info("p9a_omi_setup"); + + FAPI_INF("%s Start p9a_omi_setup", mss::c_str(i_target)); + + const auto& l_mc = mss::find_target<fapi2::TARGET_TYPE_MC>(i_target); + const auto& l_ocmbs = mss::find_targets<fapi2::TARGET_TYPE_OCMB_CHIP>(i_target); + + FAPI_TRY(mss::mc::setup_mc_mcn_config(l_mc)); + FAPI_TRY(mss::mc::setup_mc_config1(i_target)); + FAPI_TRY(mss::mc::setup_mc_cya_bits(i_target)); + FAPI_TRY(mss::mc::setup_mc_error_action(i_target)); + FAPI_TRY(mss::mc::setup_mc_rmt_config(i_target)); + + if(l_ocmbs.empty()) + { + // No ocmbs, no training needed + // Ensuring we don't try to access an empty vector + return fapi2::FAPI2_RC_SUCCESS; + } + + { + // Only one OCMB per OMI for axone + const auto& l_ocmb = l_ocmbs[0]; + const auto& l_proc = mss::find_target<fapi2::TARGET_TYPE_PROC_CHIP>(i_target); + uint8_t l_dl_x4_backoff_en = 0; + bool l_axone_workarounds_required = false; + uint8_t l_proc_type = 0; + uint8_t l_ocmb_type = 0; + + // Get BACKOFF_ENABLE CHIP_EC attribute + FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CHIP_EC_FEATURE_OMI_DL_X4_BACKOFF_ENABLE, l_ocmb, l_dl_x4_backoff_en), + "Error getting ATTR_CHIP_EC_FEATURE_OMI_DL_X4_BACKOFF_ENABLE"); + + // Determine if workaround will be performed, if so, perform it + FAPI_TRY(mss::workarounds::mc::get_ocmb_proc_types(l_ocmb, l_proc, l_ocmb_type, l_proc_type)); + l_axone_workarounds_required = mss::workarounds::mc::is_prbs_omi_axone_required(l_ocmb_type, l_proc_type); + + if (l_axone_workarounds_required) + { + // TX_TRAINING_STATE1 + FAPI_TRY(mss::workarounds::mc::pre_omi_training_prbs(i_target, l_dl_x4_backoff_en)); + } + + return fapi2::FAPI2_RC_SUCCESS; + } + +fapi_try_exit: + return fapi2::current_err; +} |