| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <device/dram/ddr2.h> |
| #include <device/dram/ddr3.h> |
| #include <device/dram/ddr4.h> |
| #include <device/dram/ddr5.h> |
| #include <device/dram/spd.h> |
| #include <spd.h> |
| #include <stddef.h> |
| |
| const char *spd_manufacturer_name(const uint16_t mod_id) |
| { |
| switch (mod_id) { |
| case 0x9b85: |
| return "Crucial"; |
| case 0x4304: |
| return "Ramaxel"; |
| case 0x4f01: |
| return "Transcend"; |
| case 0x9801: |
| return "Kingston"; |
| case 0x987f: |
| case 0xad00: |
| return "Hynix"; |
| case 0x9e02: |
| return "Corsair"; |
| case 0xb004: |
| return "OCZ"; |
| case 0xad80: |
| return "Hynix/Hyundai"; |
| case 0x3486: |
| return "Super Talent"; |
| case 0xcd04: |
| return "GSkill"; |
| case 0xce80: |
| case 0xce00: |
| return "Samsung"; |
| case 0xfe02: |
| return "Elpida"; |
| case 0x2c80: |
| case 0x2c00: |
| return "Micron"; |
| case 0x0b03: |
| return "Nanya"; |
| default: |
| return NULL; |
| } |
| } |
| |
| static void convert_default_module_type_to_spd_info(struct spd_info *info) |
| { |
| info->form_factor = MEMORY_FORMFACTOR_UNKNOWN; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNKNOWN; |
| } |
| |
| static void convert_ddr2_module_type_to_spd_info(enum spd_dimm_type_ddr2 module_type, |
| struct spd_info *info) |
| { |
| switch (module_type) { |
| case SPD_DDR2_DIMM_TYPE_RDIMM: |
| case SPD_DDR2_DIMM_TYPE_MINI_RDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_DIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_REGISTERED; |
| break; |
| case SPD_DDR2_DIMM_TYPE_UDIMM: |
| case SPD_DDR2_DIMM_TYPE_MINI_UDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_DIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNBUFFERED; |
| break; |
| case SPD_DDR2_DIMM_TYPE_MICRO_DIMM: |
| info->form_factor = MEMORY_FORMFACTOR_DIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNKNOWN; |
| break; |
| case SPD_DDR2_DIMM_TYPE_SO_DIMM: |
| info->form_factor = MEMORY_FORMFACTOR_SODIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNKNOWN; |
| break; |
| default: |
| convert_default_module_type_to_spd_info(info); |
| break; |
| } |
| } |
| |
| static void convert_ddr3_module_type_to_spd_info(enum spd_dimm_type_ddr3 module_type, |
| struct spd_info *info) |
| { |
| switch (module_type) { |
| case SPD_DDR3_DIMM_TYPE_RDIMM: |
| case SPD_DDR3_DIMM_TYPE_MINI_RDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_DIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_REGISTERED; |
| break; |
| case SPD_DDR3_DIMM_TYPE_UDIMM: |
| case SPD_DDR3_DIMM_TYPE_MINI_UDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_DIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNBUFFERED; |
| break; |
| case SPD_DDR3_DIMM_TYPE_MICRO_DIMM: |
| info->form_factor = MEMORY_FORMFACTOR_DIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNKNOWN; |
| break; |
| case SPD_DDR3_DIMM_TYPE_SO_DIMM: |
| case SPD_DDR3_DIMM_TYPE_72B_SO_UDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_SODIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNKNOWN; |
| break; |
| default: |
| convert_default_module_type_to_spd_info(info); |
| break; |
| } |
| } |
| |
| static void convert_ddr4_module_type_to_spd_info(enum spd_dimm_type_ddr4 module_type, |
| struct spd_info *info) |
| { |
| switch (module_type) { |
| case SPD_DDR4_DIMM_TYPE_RDIMM: |
| case SPD_DDR4_DIMM_TYPE_MINI_RDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_DIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_REGISTERED; |
| break; |
| case SPD_DDR4_DIMM_TYPE_UDIMM: |
| case SPD_DDR4_DIMM_TYPE_MINI_UDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_DIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNBUFFERED; |
| break; |
| case SPD_DDR4_DIMM_TYPE_SO_DIMM: |
| case SPD_DDR4_DIMM_TYPE_72B_SO_RDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_SODIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNKNOWN; |
| break; |
| default: |
| convert_default_module_type_to_spd_info(info); |
| break; |
| } |
| } |
| |
| static void convert_ddr5_module_type_to_spd_info(enum spd_dimm_type_ddr5 module_type, |
| struct spd_info *info) |
| { |
| switch (module_type) { |
| case SPD_DDR5_DIMM_TYPE_RDIMM: |
| case SPD_DDR5_DIMM_TYPE_MINI_RDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_DIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_REGISTERED; |
| break; |
| case SPD_DDR5_DIMM_TYPE_UDIMM: |
| case SPD_DDR5_DIMM_TYPE_MINI_UDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_DIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNBUFFERED; |
| break; |
| case SPD_DDR5_DIMM_TYPE_SODIMM: |
| case SPD_DDR5_DIMM_TYPE_72B_SO_UDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_SODIMM; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNKNOWN; |
| break; |
| case SPD_DDR5_DIMM_TYPE_2DPC: |
| info->form_factor = MEMORY_FORMFACTOR_PROPRIETARY_CARD; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNKNOWN; |
| break; |
| default: |
| convert_default_module_type_to_spd_info(info); |
| break; |
| } |
| } |
| |
| static void convert_lpx_module_type_to_spd_info(enum lpx_module_type module_type, |
| struct spd_info *info) |
| { |
| switch (module_type) { |
| case LPX_SPD_NONDIMM: |
| info->form_factor = MEMORY_FORMFACTOR_ROC; |
| info->type_detail = MEMORY_TYPE_DETAIL_UNKNOWN; |
| break; |
| default: |
| convert_default_module_type_to_spd_info(info); |
| break; |
| } |
| } |
| |
| void get_spd_info(smbios_memory_type memory_type, uint8_t module_type, struct spd_info *info) |
| { |
| switch (memory_type) { |
| case MEMORY_TYPE_DDR2: |
| convert_ddr2_module_type_to_spd_info(module_type, info); |
| break; |
| case MEMORY_TYPE_DDR3: |
| convert_ddr3_module_type_to_spd_info(module_type, info); |
| break; |
| case MEMORY_TYPE_DDR4: |
| convert_ddr4_module_type_to_spd_info(module_type, info); |
| break; |
| case MEMORY_TYPE_DDR5: |
| convert_ddr5_module_type_to_spd_info(module_type, info); |
| break; |
| case MEMORY_TYPE_LPDDR3: |
| case MEMORY_TYPE_LPDDR4: |
| case MEMORY_TYPE_LPDDR5: |
| convert_lpx_module_type_to_spd_info(module_type, info); |
| break; |
| default: |
| convert_default_module_type_to_spd_info(info); |
| break; |
| } |
| } |
| |
| static uint8_t convert_default_form_factor_to_module_type(void) |
| { |
| return SPD_UNDEFINED; |
| } |
| |
| static uint8_t convert_ddrx_form_factor_to_module_type(smbios_memory_type memory_type, |
| smbios_memory_form_factor form_factor) |
| { |
| uint8_t module_type; |
| |
| switch (form_factor) { |
| case MEMORY_FORMFACTOR_DIMM: |
| return SPD_DDR2_DIMM_TYPE_UDIMM; |
| case MEMORY_FORMFACTOR_RIMM: |
| return SPD_DDR2_DIMM_TYPE_RDIMM; |
| case MEMORY_FORMFACTOR_SODIMM: |
| module_type = (memory_type == MEMORY_TYPE_DDR2) ? SPD_DDR2_DIMM_TYPE_SO_DIMM : |
| SPD_DDR3_DIMM_TYPE_SO_DIMM; |
| return module_type; |
| default: |
| return convert_default_form_factor_to_module_type(); |
| } |
| } |
| |
| static uint8_t convert_lpx_form_factor_to_module_type(smbios_memory_form_factor form_factor) |
| { |
| switch (form_factor) { |
| case MEMORY_FORMFACTOR_ROC: |
| return LPX_SPD_NONDIMM; |
| default: |
| return convert_default_form_factor_to_module_type(); |
| } |
| } |
| |
| uint8_t convert_form_factor_to_module_type(smbios_memory_type memory_type, |
| smbios_memory_form_factor form_factor) |
| { |
| uint8_t module_type; |
| |
| switch (memory_type) { |
| case MEMORY_TYPE_DDR2: |
| case MEMORY_TYPE_DDR3: |
| case MEMORY_TYPE_DDR4: |
| case MEMORY_TYPE_DDR5: |
| module_type = convert_ddrx_form_factor_to_module_type(memory_type, form_factor); |
| break; |
| case MEMORY_TYPE_LPDDR3: |
| case MEMORY_TYPE_LPDDR4: |
| case MEMORY_TYPE_LPDDR5: |
| module_type = convert_lpx_form_factor_to_module_type(form_factor); |
| break; |
| default: |
| module_type = convert_default_form_factor_to_module_type(); |
| break; |
| } |
| |
| return module_type; |
| } |