diff options
Diffstat (limited to 'src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4.H')
| -rw-r--r-- | src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4.H | 436 |
1 files changed, 209 insertions, 227 deletions
diff --git a/src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4.H b/src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4.H index 0ec15c90e..96290460b 100644 --- a/src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4.H +++ b/src/import/generic/memory/lib/spd/rdimm/ddr4/rdimm_decoder_ddr4.H @@ -38,137 +38,79 @@ #include <fapi2.H> #include <generic/memory/lib/spd/common/dimm_module_decoder.H> +#include <generic/memory/lib/spd/spd_decoder_def.H> +#include <generic/memory/lib/spd/spd_traits_ddr4.H> +#include <generic/memory/lib/spd/spd_reader.H> namespace mss { namespace spd { -namespace ddr4 -{ -namespace rdimm -{ /// /// @class decoder -/// @brief RDIMM module SPD DRAM decoder for rev 1.0 +/// @tparam R SPD revision - partial specialization +/// @brief RDIMM module SPD DRAM decoder /// -class decoder_v1_0 : public dimm_module_decoder +template < rev R > +class decoder<DDR4, RDIMM_MODULE, R > : public dimm_module_decoder { - protected: + private: - enum - { - // Byte 128 - MODULE_NOM_HEIGHT_START = 3, - MODULE_NOM_HEIGHT_LEN = 5, - RAW_CARD_EXT_START = 0, - RAW_CARD_EXT_LEN = 3, - - // Byte 129 - FRONT_MODULE_THICKNESS_START = 4, - FRONT_MODULE_THICKNESS_LEN = 4, - BACK_MODULE_THICKNESS_START = 0, - BACK_MODULE_THICKNESS_LEN = 4, - - // Byte 130 - REF_RAW_CARD_START = 3, - REF_RAW_CARD_LEN = 5, - REF_RAW_CARD_REV_START = 1, - REF_RAW_CARD_REV_LEN = 2, - REF_RAW_CARD_EXT_START = 0, - REF_RAW_CARD_EXT_LEN = 1, - - // Byte 131 - REGS_USED_START = 6, - REGS_USED_LEN = 2, - ROWS_OF_DRAMS_START = 4, - ROWS_OF_DRAMS_LEN = 2, - REGISTER_TYPE_START = 0, - REGISTER_TYPE_LEN = 4, - - // Byte 132 - HEAT_SPREADER_CHAR_START = 1, - HEAT_SPREADER_CHAR_LEN = 7, - HEAT_SPREADER_SOL_START = 0, - HEAT_SPREADER_SOL_LEN = 1, - - // Byte 133 - CONTINUATION_CODES_START = 1, - CONTINUATION_CODES_LEN = 7, - - // Byte 134 - whole byte taken - // Byte 135 - whole byte taken - - // Byte 136 - ADDR_MAPPING_START = 7, - ADDR_MAPPING_LEN = 1, - - // Byte 137 - CKE_DRIVER_START = 6, - CKE_DRIVER_LEN = 2, - ODT_DRIVER_START = 4, - ODT_DRIVER_LEN = 2, - CA_DRIVER_START = 2, - CA_DRIVER_LEN = 2, - CS_DRIVER_START = 0, - CS_DRIVER_LEN = 2, - - // Byte 138 - YO_Y2_DRIVER_START = 6, - YO_Y2_DRIVER_LEN = 2, - Y1_Y3_DRIVER_START = 4, - Y1_Y3_DRIVER_LEN = 2, - }; - - enum addr_mapping - { - STANDARD = 0, - MIRRORED = 1, - }; + using fields_t = fields<DDR4, RDIMM_MODULE>; + fapi2::Target<fapi2::TARGET_TYPE_DIMM> iv_target; + std::vector<uint8_t> iv_data; public: - // First field - SPD byte - // Second field - start bit - // Third field - bit length - static constexpr field_t MODULE_NOMINAL_HEIGHT{128, MODULE_NOM_HEIGHT_START, MODULE_NOM_HEIGHT_LEN}; - static constexpr field_t RAW_CARD_EXTENSION{128, RAW_CARD_EXT_START, RAW_CARD_EXT_LEN}; - static constexpr field_t FRONT_MODULE_THICKNESS{129, FRONT_MODULE_THICKNESS_START, FRONT_MODULE_THICKNESS_LEN}; - static constexpr field_t BACK_MODULE_THICKNESS{129, BACK_MODULE_THICKNESS_START, BACK_MODULE_THICKNESS_LEN}; - static constexpr field_t REF_RAW_CARD{130, REF_RAW_CARD_START, REF_RAW_CARD_LEN}; - static constexpr field_t REF_RAW_CARD_REV{130, REF_RAW_CARD_REV_START, REF_RAW_CARD_REV_LEN}; - static constexpr field_t REF_RAW_CARD_EXT{130, REF_RAW_CARD_EXT_START, REF_RAW_CARD_EXT_LEN}; - static constexpr field_t NUM_REGS_USED{131, REGS_USED_START, REGS_USED_LEN}; - static constexpr field_t ROWS_OF_DRAMS{131, ROWS_OF_DRAMS_START, ROWS_OF_DRAMS_LEN}; - static constexpr field_t REGISTER_TYPE{131, REGISTER_TYPE_START, REGISTER_TYPE_LEN}; - static constexpr field_t HEAT_SPREADER_CHAR{132, HEAT_SPREADER_CHAR_START, HEAT_SPREADER_CHAR_LEN}; - static constexpr field_t HEAT_SPREADER_SOL{132, HEAT_SPREADER_SOL_START, HEAT_SPREADER_SOL_LEN}; - static constexpr field_t CONTINUATION_CODES{133, CONTINUATION_CODES_START, CONTINUATION_CODES_LEN}; - static constexpr field_t ADDR_MAPPING{136, ADDR_MAPPING_START, ADDR_MAPPING_LEN}; - static constexpr field_t CKE_DRIVER{137, CKE_DRIVER_START, CKE_DRIVER_LEN}; - static constexpr field_t ODT_DRIVER{137, ODT_DRIVER_START, ODT_DRIVER_LEN}; - static constexpr field_t CA_DRIVER{137, CA_DRIVER_START, CA_DRIVER_LEN}; - static constexpr field_t CS_DRIVER{137, CS_DRIVER_START, CS_DRIVER_LEN}; - static constexpr field_t YO_Y2_DRIVER{138, YO_Y2_DRIVER_START, YO_Y2_DRIVER_LEN}; - static constexpr field_t Y1_Y3_DRIVER{138, Y1_Y3_DRIVER_START, Y1_Y3_DRIVER_LEN}; - // deleted default ctor - decoder_v1_0() = delete; + decoder() = delete; /// /// @brief ctor /// @param[in] i_target dimm target /// @param[in] i_spd_data vector DIMM SPD data /// - decoder_v1_0(const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target, - const std::vector<uint8_t>& i_spd_data): - dimm_module_decoder(i_target, i_spd_data) - {} + decoder(const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target, + const std::vector<uint8_t>& i_spd_data): + dimm_module_decoder(i_target, i_spd_data), + iv_target(i_target), + iv_data(i_spd_data) + { + static_assert( R <= rev::RDIMM_MAX, " R > rev::RDIMM_MAX"); + } /// /// @brief default dtor /// - virtual ~decoder_v1_0() = default; + virtual ~decoder() = default; + + /// + /// @brief Gets decoder target + /// @return fapi2::Target<fapi2::TARGET_TYPE_DIMM> + /// + virtual fapi2::Target<fapi2::TARGET_TYPE_DIMM> get_dimm_target() const + { + return iv_target; + } + + /// + /// @brief Gets decoder SPD data + /// @return std::vector<uint8_t> + /// + virtual std::vector<uint8_t> get_data() const + { + return iv_data; + } + + /// + /// @brief Sets decoder SPD data + /// @param[in] i_spd_data SPD data in a vector reference + /// + virtual void set_data(const std::vector<uint8_t>& i_spd_data) + { + iv_data = i_spd_data; + } /// /// @brief Decodes module nominal height max, in mm @@ -179,7 +121,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 48 /// - virtual fapi2::ReturnCode max_module_nominal_height(uint8_t& o_output) const override; + virtual fapi2::ReturnCode max_module_nominal_height(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::MODULE_NOMINAL_HEIGHT, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes front module maximum thickness max, in mm @@ -190,7 +138,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 48 /// - virtual fapi2::ReturnCode front_module_max_thickness(uint8_t& o_output) const override; + virtual fapi2::ReturnCode front_module_max_thickness(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::FRONT_MODULE_THICKNESS, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes back module maximum thickness max, in mm @@ -201,7 +155,30 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 48 /// - virtual fapi2::ReturnCode back_module_max_thickness(uint8_t& o_output) const override; + virtual fapi2::ReturnCode back_module_max_thickness(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::BACK_MODULE_THICKNESS, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } + + /// + /// @brief Decodes reference raw card used + /// @param[out] o_output encoding from SPD + /// @return FAPI2_RC_SUCCESS if okay + /// @note SPD Byte 130 (Bits 7~0) + /// @note Item JEDEC Standard No. 21-C + /// @note DDR4 SPD Document Release 2 + /// @note Page 4.1.2.12 - 48 + /// + virtual fapi2::ReturnCode reference_raw_card(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::REF_RAW_CARD, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes number of registers used on RDIMM @@ -212,7 +189,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 50 /// - virtual fapi2::ReturnCode num_registers_used(uint8_t& o_output) const override; + virtual fapi2::ReturnCode num_registers_used(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::NUM_REGS_USED, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes number of rows of DRAMs on RDIMM @@ -223,7 +206,31 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 50 /// - virtual fapi2::ReturnCode num_rows_of_drams(uint8_t& o_output) const override; + virtual fapi2::ReturnCode num_rows_of_drams(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::ROWS_OF_DRAMS, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + + } + + /// + /// @brief Decodes register types + /// @param[out] o_output encoding from SPD + /// @return FAPI2_RC_SUCCESS if okay + /// @note SPD Byte 131 (Bits 7~4) + /// @note Item JEDEC Standard No. 21-C + /// @note DDR4 SPD Document Release 3 + /// @note Page 4.1.2.12.3 - 63 + /// + virtual fapi2::ReturnCode register_and_buffer_type(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::REGISTER_TYPE, R>(iv_target, iv_data, o_output)) ); + fapi_try_exit: + return fapi2::current_err; + + } /// /// @brief Decodes heat spreader thermal characteristics @@ -234,7 +241,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 51 /// - virtual fapi2::ReturnCode heat_spreader_thermal_char(uint8_t& o_output) const override; + virtual fapi2::ReturnCode heat_spreader_thermal_char(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::HEAT_SPREADER_CHAR, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes heat spreader solution @@ -245,18 +258,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 51 /// - virtual fapi2::ReturnCode heat_spreader_solution(uint8_t& o_output) const override; + virtual fapi2::ReturnCode heat_spreader_solution(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::HEAT_SPREADER_SOL, R>(iv_target, iv_data, o_output)) ); - /// - /// @brief Decodes number of continuation codes - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 133 (bit 6~0) - /// @note Item JEDEC Standard No. 21-C - /// @note DDR4 SPD Document Release 2 - /// @note Page 4.1.2.12 - 51 - /// - virtual fapi2::ReturnCode num_continuation_codes(uint8_t& o_output) const override; + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes register manufacturer ID code @@ -267,7 +275,28 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 51 /// - virtual fapi2::ReturnCode reg_manufacturer_id_code(uint8_t& o_output) const override; + virtual fapi2::ReturnCode reg_manufacturer_id_code(uint16_t& o_output) const override + { + uint8_t l_cont_codes = 0; + uint8_t l_last_nonzero_byte = 0; + + FAPI_TRY( (mss::spd::reader<fields_t::CONTINUATION_CODES, R>(iv_target, iv_data, l_cont_codes)) ); + FAPI_TRY( (mss::spd::reader<fields_t::LAST_NON_ZERO_BYTE, R>(iv_target, iv_data, l_last_nonzero_byte)) ); + + { + fapi2::buffer<uint16_t> l_buffer; + rightAlignedInsert(l_buffer, l_last_nonzero_byte, l_cont_codes); + + o_output = l_buffer; + + FAPI_INF("%s. Register Manufacturer ID Code: 0x%04x", + spd::c_str(iv_target), + o_output); + } + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes register revision number @@ -278,7 +307,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 51 /// - virtual fapi2::ReturnCode register_rev_num(uint8_t& o_output) const override; + virtual fapi2::ReturnCode register_rev_num(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::REGISTER_REV, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes address mapping from register to dram @@ -289,7 +324,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 52 /// - virtual fapi2::ReturnCode register_to_dram_addr_mapping(uint8_t& o_output) const override; + virtual fapi2::ReturnCode register_to_dram_addr_mapping(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::ADDR_MAP_REG_TO_DRAM, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes register output drive strength for CKE signal @@ -300,7 +341,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 53 /// - virtual fapi2::ReturnCode cke_signal_output_driver(uint8_t& o_output) const override; + virtual fapi2::ReturnCode cke_signal_output_driver(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::CKE_DRIVER, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes register output drive strength for ODT signal @@ -311,7 +358,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 53 /// - virtual fapi2::ReturnCode odt_signal_output_driver(uint8_t& o_output) const override; + virtual fapi2::ReturnCode odt_signal_output_driver(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::ODT_DRIVER, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes register output drive strength for command/address (CA) signal @@ -322,7 +375,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 53 /// - virtual fapi2::ReturnCode ca_signal_output_driver(uint8_t& o_output) const override; + virtual fapi2::ReturnCode ca_signal_output_driver(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::CA_DRIVER, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes register output drive strength for control signal (CS) signal @@ -333,7 +392,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 53 /// - virtual fapi2::ReturnCode cs_signal_output_driver(uint8_t& o_output) const override; + virtual fapi2::ReturnCode cs_signal_output_driver(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::CS_DRIVER, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes register output drive strength for clock (B side) @@ -344,7 +409,13 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 53 /// - virtual fapi2::ReturnCode b_side_clk_output_driver(uint8_t& o_output) const override; + virtual fapi2::ReturnCode b_side_clk_output_driver(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::YO_Y2_DRIVER, R>(iv_target, iv_data, o_output)) ); + + fapi_try_exit: + return fapi2::current_err; + } /// /// @brief Decodes register output drive strength for clock (A side) @@ -355,106 +426,17 @@ class decoder_v1_0 : public dimm_module_decoder /// @note DDR4 SPD Document Release 2 /// @note Page 4.1.2.12 - 53 /// - virtual fapi2::ReturnCode a_side_clk_output_driver(uint8_t& o_output) const override; - -};// decoder_v1_0 - -/// -/// @class decoder -/// @brief RDIMM module SPD DRAM decoder for rev 1.1 -/// -class decoder_v1_1 : public decoder_v1_0 -{ - public: - - // deleted default ctor - decoder_v1_1() = delete; - - /// - /// @brief ctor - /// @param[in] i_target dimm target - /// @param[in] i_spd_data vector DIMM SPD data - /// - decoder_v1_1(const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target, - const std::vector<uint8_t>& i_spd_data): - decoder_v1_0(i_target, i_spd_data) - {} - - /// - /// @brief default dtor - /// - virtual ~decoder_v1_1() = default; - - /// - /// @brief Decodes register types - /// @param[out] o_output encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 131 (Bits 7~4) - /// @note Item JEDEC Standard No. 21-C - /// @note DDR4 SPD Document Release 3 - /// @note Page 4.1.2.12.3 - 63 - /// - virtual fapi2::ReturnCode register_and_buffer_type(uint8_t& o_output) const override; - - /// - /// @brief Decodes register output drive strength for CKE signal - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 137 (bit 1~0) - /// @note Item JC-45-2220.01x - /// @note Page 76 - /// @note DDR4 SPD Document Release 4 - /// - virtual fapi2::ReturnCode cke_signal_output_driver(uint8_t& o_output) const override; - - /// - /// @brief Decodes register output drive strength for ODT signal - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 137 (bit 3~2) - /// @note Item JC-45-2220.01x - /// @note Page 76 - /// @note DDR4 SPD Document Release 4 - /// - virtual fapi2::ReturnCode odt_signal_output_driver(uint8_t& o_output) const override; - - /// - /// @brief Decodes register output drive strength for control signal (CS) signal - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 137 (bit 6~7) - /// @note Item JC-45-2220.01x - /// @note Page 76 - /// @note DDR4 SPD Document Release 4 - /// - virtual fapi2::ReturnCode cs_signal_output_driver(uint8_t& o_output) const override; + virtual fapi2::ReturnCode a_side_clk_output_driver(uint8_t& o_output) const override + { + FAPI_TRY( (mss::spd::reader<fields_t::Y1_Y3_DRIVER, R>(iv_target, iv_data, o_output)) ); - /// - /// @brief Decodes register output drive strength for clock (B side) - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 138 (bit 1~0) - /// @note Item JC-45-2220.01x - /// @note Page 76 - /// @note DDR4 SPD Document Release 4 - /// - virtual fapi2::ReturnCode b_side_clk_output_driver(uint8_t& o_output) const override; + fapi_try_exit: + return fapi2::current_err; + } - /// - /// @brief Decodes register output drive strength for clock (A side) - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 138 (bit 3~2) - /// @note Item JC-45-2220.01x - /// @note Page 76 - /// @note DDR4 SPD Document Release 4 - /// - virtual fapi2::ReturnCode a_side_clk_output_driver(uint8_t& o_output) const override; -};//decoder_v1_1 +};// decoder -}// rdimm -}// ddr4 }// spd }// mss |
