diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/phy/mss_training.H')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/lib/phy/mss_training.H | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/phy/mss_training.H b/src/import/chips/p9/procedures/hwp/memory/lib/phy/mss_training.H index 37f756098..69372ef85 100644 --- a/src/import/chips/p9/procedures/hwp/memory/lib/phy/mss_training.H +++ b/src/import/chips/p9/procedures/hwp/memory/lib/phy/mss_training.H @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2017 */ +/* Contributors Listed Below - COPYRIGHT 2017,2018 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -580,6 +580,28 @@ class write_ctr : public phy_step const uint8_t i_abort_on_error ) const override; /// + /// @brief Executes the pre-cal step workaround + /// @param[in] i_target - the MCA target on which to operate + /// @param[in] i_rp - the rank pair + /// @param[in] i_abort_on_error - whether or not we are aborting on cal error + /// @return fapi2::ReturnCode fapi2::FAPI2_RC_SUCCESS iff ok + /// + fapi2::ReturnCode pre_workaround( const fapi2::Target<fapi2::TARGET_TYPE_MCA>& i_target, + const uint64_t i_rp, + const uint8_t i_abort_on_error ) const override; + + /// + /// @brief Executes the post-cal step workaround + /// @param[in] i_target - the MCA target on which to operate + /// @param[in] i_rp - the rank pair + /// @param[in] i_abort_on_error - whether or not we are aborting on cal error + /// @return fapi2::ReturnCode fapi2::FAPI2_RC_SUCCESS iff ok + /// + fapi2::ReturnCode post_workaround( const fapi2::Target<fapi2::TARGET_TYPE_MCA>& i_target, + const uint64_t i_rp, + const uint8_t i_abort_on_error ) const override; + + /// /// @brief Calculates the number of cycles a given calibration step will take /// @param[in] i_target - the MCA target on which to operate /// @return l_cycles - the number of cycles a given calibration step wil take @@ -597,6 +619,24 @@ class write_ctr : public phy_step private: bool iv_wr_vref; + // Contains all information related to any DRAMs that were disabled due to the WR VREF algorithm + // The pair contains the following information: + // first -> the DRAM's number to test + // second -> the DRAM's starting write delay value + mutable std::vector<std::pair<uint64_t, uint64_t>> iv_dram_to_check; + + /// + /// @brief Sets up and runs the calibration step according to an external 1D vs 2D input + /// @param[in] i_target - the MCA target on which to operate + /// @param[in] i_rp - the rank pair + /// @param[in] i_abort_on_error - whether or not we are aborting on cal error + /// @param[in] i_wr_vref - true IFF write VREF calibration needs to be run + /// @return fapi2::ReturnCode fapi2::FAPI2_RC_SUCCESS iff ok + /// + fapi2::ReturnCode run( const fapi2::Target<fapi2::TARGET_TYPE_MCA>& i_target, + const uint64_t i_rp, + const uint8_t i_abort_on_error, + const bool i_wr_vref ) const; }; /// |
