diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/spd/rdimm/rdimm_decoder.H')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/lib/spd/rdimm/rdimm_decoder.H | 414 |
1 files changed, 70 insertions, 344 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/spd/rdimm/rdimm_decoder.H b/src/import/chips/p9/procedures/hwp/memory/lib/spd/rdimm/rdimm_decoder.H index e562b3936..cd8818d67 100644 --- a/src/import/chips/p9/procedures/hwp/memory/lib/spd/rdimm/rdimm_decoder.H +++ b/src/import/chips/p9/procedures/hwp/memory/lib/spd/rdimm/rdimm_decoder.H @@ -37,362 +37,88 @@ #define _MSS_RDIMM_DECODER_H_ #include <fapi2.H> -#include <cstdint> +#include <lib/spd/common/dimm_module_decoder.H> namespace mss { namespace spd { -enum rdimm_byte_extract -{ - // 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, - - // 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, -}; - -/// -/// @class dimm_module_decoder -/// @brief Abstract class for RDIMM module SPD DRAM decoder -/// -class dimm_module_decoder -{ - public: - - /// - /// @brief default ctor - /// - dimm_module_decoder() = default; - - /// - /// @brief default dtor - /// - virtual ~dimm_module_decoder() = default; - - /// - /// @brief Decodes module nominal height max, in mm - /// @param[out] o_output height range encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 128 (Bits 4~0) - /// @note Item JEDEC Standard No. 21-C - /// @note DDR4 SPD Document Release 2 - /// @note Page 4.1.2.12 - 48 - /// - virtual fapi2::ReturnCode max_module_nominal_height(uint8_t& o_output) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes front module maximum thickness max, in mm - /// @param[out] o_output encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 129 (Bits 3~0) - /// @note Item JEDEC Standard No. 21-C - /// @note DDR4 SPD Document Release 2 - /// @note Page 4.1.2.12 - 48 - /// - virtual fapi2::ReturnCode front_module_max_thickness(uint8_t& o_output) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes back module maximum thickness max, in mm - /// @param[out] o_output encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 129 (Bits 7~4) - /// @note Item JEDEC Standard No. 21-C - /// @note DDR4 SPD Document Release 2 - /// @note Page 4.1.2.12 - 48 - /// - virtual fapi2::ReturnCode back_module_max_thickness(uint8_t& o_output) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes number of registers used on RDIMM - /// @param[out] o_output encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 131 (Bits 1~0) - /// @note Item JEDEC Standard No. 21-C - /// @note DDR4 SPD Document Release 2 - /// @note Page 4.1.2.12 - 50 - /// - virtual fapi2::ReturnCode num_registers_used(uint8_t& o_output) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes number of rows of DRAMs on RDIMM - /// @param[out] o_output encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 131 (Bits 3~2) - /// @note Item JEDEC Standard No. 21-C - /// @note DDR4 SPD Document Release 2 - /// @note Page 4.1.2.12 - 50 - /// - virtual fapi2::ReturnCode num_rows_of_drams(uint8_t& o_output) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes heat spreader thermal characteristics - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCEawSS if okay - /// @note SPD Byte 132 (Bits 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 heat_spreader_thermal_char(uint8_t& o_output) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes heat spreader solution - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 132 (Bit 7) - /// @note Item JEDEC Standard No. 21-C - /// @note DDR4 SPD Document Release 2 - /// @note Page 4.1.2.12 - 51 - /// - virtual fapi2::ReturnCode heat_spreader_solution(uint8_t& o_output) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @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) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes manufacturer ID code - /// @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 manufacturer_id_code(uint8_t& o_output) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes register revision number - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 135 (bit 7~0) - /// @note Item JEDEC Standard No. 21-C - /// @note DDR4 SPD Document Release 2 - /// @note Page 4.1.2.12 - 51 - /// - virtual fapi2::ReturnCode register_rev_num(uint8_t& o_output) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes address mapping from register to dram - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 136 (bit 0) - /// @note Item JEDEC Standard No. 21-C - /// @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) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes register output drive strength for CKE signal - /// @param[out] o_output 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) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes register output drive strength for ODT signal - /// @param[out] o_output 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) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes register output drive strength for command/address (CA) signal - /// @param[out] o_output drive strength encoding from SPD - /// @return FAPI2_RC_SUCCESS if okay - /// @note SPD Byte 137 (bit 5~4) - /// @note Item JEDEC Standard No. 21-C - /// @note DDR4 SPD Document Release 2 - /// @note Page 4.1.2.12 - 53 - /// - virtual fapi2::ReturnCode ca_signal_output_driver(uint8_t& o_output) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @brief Decodes register output drive strength for chip select (CS) signal - /// @param[out] o_output 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) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @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 JEDEC Standard No. 21-C - /// @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) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } - - /// - /// @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 JEDEC Standard No. 21-C - /// @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) - { - o_output = 0; - return fapi2::FAPI2_RC_SUCCESS; - } -}; - /// /// @class decoder /// @brief RDIMM module SPD DRAM decoder for rev 1.0 /// class rdimm_decoder_v1_0 : public dimm_module_decoder { + protected: + 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, + + // 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, + }; + public: // deleted default ctor rdimm_decoder_v1_0() = delete; |
