diff options
Diffstat (limited to 'src/import/generic/memory/lib/spd/spd_facade.H')
-rw-r--r-- | src/import/generic/memory/lib/spd/spd_facade.H | 89 |
1 files changed, 88 insertions, 1 deletions
diff --git a/src/import/generic/memory/lib/spd/spd_facade.H b/src/import/generic/memory/lib/spd/spd_facade.H index 81689604f..009059c09 100644 --- a/src/import/generic/memory/lib/spd/spd_facade.H +++ b/src/import/generic/memory/lib/spd/spd_facade.H @@ -48,6 +48,8 @@ inline fapi2::ReturnCode get_raw_data(const fapi2::Target<fapi2::TARGET_TYPE_DIM FAPI_TRY( fapi2::getSPD(i_target, nullptr, l_size), "%s. Failed to retrieve SPD blob size", spd::c_str(i_target) ); + FAPI_DBG( "SPD size %d for %s", l_size, spd::c_str(i_target) ); + // Reassign container size with the retrieved size // Arbitrarily set the data to zero since it will be overwritten o_spd.assign(l_size, 0); @@ -74,6 +76,7 @@ class facade final std::vector<uint8_t> iv_data; std::shared_ptr<dimm_module_decoder> iv_dimm_module_decoder; std::shared_ptr<base_cnfg_decoder> iv_base_cnfg_decoder; + uint8_t iv_dimm_type; public: @@ -95,6 +98,11 @@ class facade final FAPI_TRY(l_factories.create_decoder(iv_dimm_module_decoder)); FAPI_TRY(l_factories.create_decoder(iv_base_cnfg_decoder)); + // Variable to deal with dimm modules (e.g. DDIMM) that has + // fields that are not disjoint between the + // general and dimm module section of the SPD (i.e. a hack variable) + FAPI_TRY( iv_base_cnfg_decoder->base_module(iv_dimm_type) ); + o_rc = fapi2::FAPI2_RC_SUCCESS; return; @@ -854,6 +862,75 @@ class facade final } /// + /// @brief Decodes Fine Offset for Minimum Write to Read Time - Same Bank Group + /// @param[out] o_value SPD encoded value + /// @return FAPI2_RC_SUCCESS iff okay + /// @warning not an actual SPD field, defaulted to zero to simplify calculations + /// + fapi2::ReturnCode fine_offset_min_twtr_l( int64_t& o_value ) const + { + FAPI_TRY( iv_base_cnfg_decoder->fine_offset_min_twtr_l(o_value) ); + + fapi_try_exit: + return fapi2::current_err; + } + + /// + /// @brief Decodes Fine Offset for Minimum Write to Read Time - Different Bank Group + /// @param[out] o_value SPD encoded value + /// @return FAPI2_RC_SUCCESS iff okay + /// @warning not an actual SPD field, defaulted to zero to simplify calculations + /// + fapi2::ReturnCode fine_offset_min_twtr_s( int64_t& o_value ) const + { + FAPI_TRY( iv_base_cnfg_decoder->fine_offset_min_twtr_s(o_value) ); + + fapi_try_exit: + return fapi2::current_err; + } + + /// + /// @brief Decodes Fine Offset for SDRAM Minimum Four Activate Window Delay Time + /// @param[out] o_value SPD encoded value + /// @return FAPI2_RC_SUCCESS iff okay + /// @warning not an actual SPD field, defaulted to zero to simplify calculations + /// + fapi2::ReturnCode fine_offset_min_tfaw( int64_t& o_value ) const + { + FAPI_TRY( iv_base_cnfg_decoder->fine_offset_min_tfaw(o_value) ); + + fapi_try_exit: + return fapi2::current_err; + } + + /// + /// @brief Decodes Fine Offset for SDRAM Minimum Active to Precharge Delay Time in MTB + /// @param[out] o_value SPD encoded value + /// @return FAPI2_RC_SUCCESS iff okay + /// @warning not an actual SPD field, defaulted to zero to simplify calculations + /// + fapi2::ReturnCode fine_offset_min_tras( int64_t& o_value ) const + { + FAPI_TRY( iv_base_cnfg_decoder->fine_offset_min_tras(o_value) ); + + fapi_try_exit: + return fapi2::current_err; + } + + /// + /// @brief Decodes Fine Offset for Minimum Write Recovery Time + /// @param[out] o_value SPD encoded value + /// @return FAPI2_RC_SUCCESS iff okay + /// + fapi2::ReturnCode fine_offset_min_twr( int64_t& o_value ) const + { + FAPI_TRY( iv_base_cnfg_decoder->fine_offset_min_twr(o_value) ); + + fapi_try_exit: + return fapi2::current_err; + } + + /// /// @brief Decodes Fine Offset for Minimum Activate to Activate Delay Time - Same Bank Group /// @param[out] o_value SPD encoded value /// @return FAPI2_RC_SUCCESS iff okay @@ -1041,7 +1118,17 @@ class facade final /// fapi2::ReturnCode dram_manufacturer_id_code( uint16_t& o_value ) const { - FAPI_TRY( iv_base_cnfg_decoder->dram_manufacturer_id_code(o_value) ); + // Some module fields are duplicated in the general section and + // dimm module sections of the SPD. For DDIMMs, we want get it + // from the dimm module section instead of the general section. + if( iv_dimm_type == spd::DDIMM ) + { + FAPI_TRY( iv_dimm_module_decoder->dram_manufacturer_id_code(o_value) ); + } + else + { + FAPI_TRY( iv_base_cnfg_decoder->dram_manufacturer_id_code(o_value) ); + } fapi_try_exit: return fapi2::current_err; |