diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H index b0de045ed..9b8b1780d 100644 --- a/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H +++ b/src/import/chips/p9/procedures/hwp/memory/lib/dimm/eff_dimm.H @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2016,2017 */ +/* Contributors Listed Below - COPYRIGHT 2016,2018 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -40,6 +40,17 @@ namespace mss { /// +/// @brief Gets the JEDEC train and range values from the encoded VPD value +/// @param[in] i_target - the DIMM target on which to operate +/// @param[out] o_range - the JEDEC VREFDQ range +/// @param[out] o_value - the JEDEC VREFDQ value +/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS if ok +/// +fapi2::ReturnCode get_vpd_wr_vref_range_and_value( const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target, + uint8_t& o_range, + uint8_t& o_value ); + +/// /// @class mss::dimm::eff_dimm /// @brief A class made to perform eff_config functions based on the different dimm kinds (gen, type, buffer type) /// @note this is a base class @@ -484,15 +495,17 @@ class eff_dimm /// /// @brief Determines & sets effective config for Output Buffer /// @return fapi2::FAPI2_RC_SUCCESS if okay + /// @note The value and range attributes are combined as offsetting the WR VREF percentage can cause both the value and range to shift + /// The calculations would have to be done twice if the calculations were done separately. As such, they are combined below /// fapi2::ReturnCode output_buffer(); /// - /// @brief Determines & sets effective config for Vref DQ Train Value + /// @brief Determines & sets effective config for Vref DQ Train Value and Range /// @return fapi2::FAPI2_RC_SUCCESS if okay /// - fapi2::ReturnCode vref_dq_train_value(); + fapi2::ReturnCode vref_dq_train_value_and_range(); /// /// @brief Determines & sets effective config for Vref DQ Train Enable @@ -501,12 +514,6 @@ class eff_dimm fapi2::ReturnCode vref_dq_train_enable(); /// - /// @brief Determines & sets effective config for Vref DQ Train Range - /// @return fapi2::FAPI2_RC_SUCCESS if okay - /// - fapi2::ReturnCode vref_dq_train_range(); - - /// /// @brief Determines & sets effective config for CA Parity Latency /// @return fapi2::FAPI2_RC_SUCCESS if okay /// |
