/* SPDX-License-Identifier: GPL-2.0-only */ #include "smbios.h" #include <string.h> #include <commonlib/helpers.h> #include <device/dram/ddr3.h> #include <dimm_info_util.h> #define EXTENSION_BUS_WIDTH_8BITS 8 /* Fill the SMBIOS memory information from FSP MEM_INFO_DATA_HOB in CBMEM.*/ void dimm_info_fill(struct dimm_info *dimm, u32 dimm_capacity, u8 ddr_type, u32 frequency, u8 rank_per_dimm, u8 channel_id, u8 dimm_id, const char *module_part_num, size_t module_part_number_size, const u8 *module_serial_num, u16 data_width, u32 vdd_voltage, bool ecc_support, u16 mod_id, u8 mod_type, u8 ctrlr_id, u32 max_frequency) { dimm->mod_id = mod_id; dimm->mod_type = mod_type; dimm->dimm_size = dimm_capacity; dimm->ddr_type = ddr_type; /* keep ddr_frequency for backward compatible */ dimm->ddr_frequency = frequency; dimm->configured_speed_mts = frequency; dimm->max_speed_mts = max_frequency; dimm->rank_per_dimm = rank_per_dimm; dimm->channel_num = channel_id; dimm->dimm_num = dimm_id; dimm->ctrlr_num = ctrlr_id; if (vdd_voltage > 0xFFFF) { dimm->vdd_voltage = 0xFFFF; } else { dimm->vdd_voltage = vdd_voltage; } strncpy((char *)dimm->module_part_number, module_part_num, MIN(sizeof(dimm->module_part_number), module_part_number_size)); if (module_serial_num) memcpy(dimm->serial, module_serial_num, DIMM_INFO_SERIAL_SIZE); uint16_t total_width = data_width; if (ecc_support) total_width += EXTENSION_BUS_WIDTH_8BITS; dimm->bus_width = smbios_bus_width_to_spd_width(ddr_type, total_width, data_width); }