diff options
Diffstat (limited to 'src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/workarounds/exp_omi_workarounds.C')
| -rw-r--r-- | src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/workarounds/exp_omi_workarounds.C | 101 |
1 files changed, 61 insertions, 40 deletions
diff --git a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/workarounds/exp_omi_workarounds.C b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/workarounds/exp_omi_workarounds.C index 1bfe94371..eae18dd1f 100644 --- a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/workarounds/exp_omi_workarounds.C +++ b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/workarounds/exp_omi_workarounds.C @@ -51,46 +51,33 @@ namespace workarounds { namespace omi { + /// -/// @brief Determine if OCMB PRBS workaround needs to be performed +/// @brief Determine if the OCMB is an explorer /// -/// @param[in] i_ocmb_chip OCMB target -/// @param[out] o_required workaround needs to be performed -/// @return FAPI2_RC_SUCCESS iff success +/// @param[in] i_ocmb_chip OCMB chip +/// @param[out] o_explorer true/false is explorer +/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff success +/// @note Used for exp_omi_train procedure to differentiate fw_status behavior with gemini /// -fapi2::ReturnCode is_prbs_ocmb_required( - const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP> i_ocmb_chip, - bool& o_required) +fapi2::ReturnCode ocmb_is_explorer(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_ocmb_chip, bool& o_explorer) { - // Check chip type - uint8_t l_proc_type = 0; - const auto& l_proc_chip = mss::find_target<fapi2::TARGET_TYPE_PROC_CHIP>(i_ocmb_chip); - FAPI_TRY(FAPI_ATTR_GET_PRIVILEGED(fapi2::ATTR_NAME, l_proc_chip, l_proc_type), - "Error getting ATTR_NAME of %s", mss::c_str(l_proc_chip)); - - // OCMB Workaround Logic: - // Axone: OCMB workaround off - // Non-axone (Apollo): OCMB workaround on - // P10 - No workaround required (no enum for this yet, so we must revisit this when the time comes) - o_required = l_proc_type != fapi2::ENUM_ATTR_NAME_AXONE; + uint8_t l_name = 0; + FAPI_TRY(FAPI_ATTR_GET_PRIVILEGED(fapi2::ATTR_NAME, i_ocmb_chip, l_name)); + + o_explorer = (l_name == fapi2::ENUM_ATTR_NAME_EXPLORER); fapi_try_exit: return fapi2::current_err; } - /// -/// @brief Performs OCMB PRBS workaround +/// @brief Set configurable delay based on the PRBS ATTR and SIM mode /// -/// @param[in] i_ocmb_chip OCMB chip -/// @param[in] i_dl_x4_backoff_en backoff enable +/// @param[in] i_ocmb_chip OCMB target /// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff success /// -fapi2::ReturnCode prbs_ocmb( - const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP> i_ocmb_chip, - const uint8_t i_dl_x4_backoff_en) +fapi2::ReturnCode prbs_delay(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_ocmb_chip) { - FAPI_DBG("Performing PRBS OCMB workaround on %s", mss::c_str(i_ocmb_chip)); - uint8_t l_sim = 0; uint32_t l_prbs_time = 0; uint64_t l_prbs_time_scaled = 0; @@ -101,23 +88,10 @@ fapi2::ReturnCode prbs_ocmb( "Error from FAPI_ATTR_GET (ATTR_OMI_DL_PREIPL_PRBS_TIME)"); l_prbs_time_scaled = l_prbs_time * mss::common_timings::DELAY_1MS; - // State 6 - FAPI_TRY(mss::exp::omi::setup_omi_dl0_config0(i_ocmb_chip, - mss::omi::train_mode::TX_TRAINING_STATE3, - i_dl_x4_backoff_en)); - - // Set configurable delay based on the PRBS ATTR and SIM mode FAPI_TRY(fapi2::delay(l_prbs_time_scaled, mss::common_timings::DELAY_1US)); FAPI_DBG("OMI Training Pre-ipl PRBS Time = %dns", (l_sim ? mss::common_timings::DELAY_1US : l_prbs_time_scaled)); - // Enable training state 1 to send Pattern A - FAPI_TRY(mss::exp::omi::setup_omi_dl0_config0(i_ocmb_chip, - mss::omi::train_mode::TX_PATTERN_A, - i_dl_x4_backoff_en)); - - // Not calling with ENABLE_AUTO_TRAINING for explorer - fapi_try_exit: return fapi2::current_err; } @@ -174,6 +148,53 @@ fapi_try_exit: return fapi2::current_err; } +/// +/// @brief Workaround for exp_omi_train to perform dlx_config0 setup +/// +/// @param[in] i_target OCMB chip +/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff success +/// +fapi2::ReturnCode training_prbs(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target) +{ + uint8_t l_dl_x4_backoff_en = 0; + + FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CHIP_EC_FEATURE_OMI_DL_X4_BACKOFF_ENABLE, i_target, l_dl_x4_backoff_en), + "Error getting ATTR_CHIP_EC_FEATURE_OMI_DL_X4_BACKOFF_ENABLE"); + + // Train mode 1 (PATTERN_A) + FAPI_TRY(mss::exp::omi::setup_omi_dl0_config0(i_target, + mss::omi::train_mode::TX_PATTERN_A, + l_dl_x4_backoff_en)); + +fapi_try_exit: + return fapi2::current_err; +} + +/// +/// @brief Workaround for exp_omi_setup to perform dlx_config0 setup +/// +/// @param[in] i_target OCMB chip +/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff success +/// +fapi2::ReturnCode pre_training_prbs(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target) +{ + uint8_t l_dl_x4_backoff_en = 0; + + FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CHIP_EC_FEATURE_OMI_DL_X4_BACKOFF_ENABLE, i_target, l_dl_x4_backoff_en), + "Error getting ATTR_CHIP_EC_FEATURE_OMI_DL_X4_BACKOFF_ENABLE"); + + // State 6 + FAPI_TRY(mss::exp::omi::setup_omi_dl0_config0(i_target, + mss::omi::train_mode::TX_TRAINING_STATE3, + l_dl_x4_backoff_en)); + + // Set configurable delay based on the PRBS ATTR and SIM mode + FAPI_TRY(prbs_delay(i_target)); + +fapi_try_exit: + return fapi2::current_err; +} + } // omi } // workarounds } // exp |
