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-rw-r--r--src/import/chips/p9a/procedures/hwp/memory/p9a_omi_setup.C74
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;
+}
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